The Ecere SDK - sdk/blob - ecere/src/gui/drivers/XInterface.ec

   1 namespace gui::drivers;
   2
   3 import "instance"
   4 #if !defined(ECERE_VANILLA) && !defined(ECERE_NO3D) && !defined(ECERE_NOGL)
   5 import "OpenGLDisplayDriver"
   6 #endif
   7
   8 #if (defined(__unix__) || defined(__APPLE__)) && !defined(ECERE_MINIGLX)
   9
  10 #undef __BLOCKS__
  11 default:
  12 #define uint _uint
  13 #define property _property
  14 #define new _new
  15 #define class _class
  16
  17 #ifdef __linux__
  18 #include <linux/joystick.h>
  19 #endif
  20 #include <sys/param.h>
  21 #include <stdlib.h>
  22 #include <unistd.h>
  23 #include <sys/select.h>
  24
  25 //#include <stdio.h>
  26 //#include <stdlib.h>
  27 //#include <string.h>
  28
  29 #define Window    X11Window
  30 #define Cursor    X11Cursor
  31 #define Font      X11Font
  32 #define Display   X11Display
  33 #define Time      X11Time
  34 #define KeyCode   X11KeyCode
  35 #define Picture   X11Picture
  36 #define Bool      X11Bool
  37
  38 #define _XTYPEDEF_BOOL
  39 typedef int X11Bool;
  40
  41 #include <X11/Xatom.h>
  42 #include <X11/Xlib.h>
  43 #include <X11/Xresource.h>
  44 #include <X11/Xutil.h>
  45 #include <X11/XKBlib.h>
  46 #include <X11/keysym.h>
  47 #include <X11/cursorfont.h>
  48 #include <fcntl.h>
  49 #if !defined(ECERE_NO3D) && !defined(ECERE_NOGL)
  50 #include <GL/glx.h>
  51 #endif
  52 #include <X11/extensions/Xrender.h>
  53 #include <X11/extensions/XShm.h>
  54
  55 #undef Bool
  56 #undef Picture
  57 #undef Window
  58 #undef Cursor
  59 #undef Font
  60 #undef Display
  61 #undef Time
  62 #undef KeyCode
  63 #undef uint
  64
  65 #undef new
  66 #undef property
  67 #undef class
  68 private:
  69
  70 import "Interface"
  71 import "XDisplayDriver"
  72
  73 // These are the events we care about
  74 #define EVENT_MASK StructureNotifyMask | \
  75       ButtonPressMask | ButtonReleaseMask | PointerMotionMask | \
  76       KeyPressMask | KeyReleaseMask | ExposureMask | FocusChangeMask | \
  77       PropertyChangeMask
  78
  79 void * xGlobalDisplay;
  80 static XIM im;
  81 // static XIC ic;
  82 static XContext windowContext;
  83 static Window lastActive;
  84
  85 static char * clipBoardData;
  86
  87 static Thread /* xThread, */ timerThread;
  88 static bool xTerminate;
  89 static Semaphore xSemaphore { };
  90 static Mutex xMutex { };
  91 static bool fullScreenMode;
  92 static int desktopX = 0, desktopY = 0, desktopW = 0, desktopH = 0;
  93 X11Window confineWindow;
  94 static X11Cursor nullCursor;
  95 static X11Window capturedWindow = None;
  96 static Window restrictedWindow = null;
  97 static bool gotAnXEvent = false;
  98 static XEvent xEvent;
  99 static int joystickFD[4];
 100 static X11Window activeWindow;
 101 static X11Cursor systemCursors[SystemCursor];
 102
 103 static Window acquiredInputWindow;
 104 static Point acquireStart;
 105 static Point lastMouse;
 106 static MouseButtons buttonsState;
 107
 108 static bool keyStates[KeyCode];
 109
 110 static enum NETWMStateAction { remove = 0, add = 1, toggle = 2 };
 111
 112 static enum AtomIdents
 113 {
 114    clipboard, multiple, targets, utf8_string, wm_delete_window, wm_hints, wm_name, wm_protocols, wm_state, wm_take_focus, wm_transient_for,
 115    _motif_wm_hints,
 116    _net_active_window, _net_current_desktop, _net_number_of_desktops, _net_wm_icon, _net_wm_name, _net_wm_pid,
 117    _net_wm_state, _net_wm_state_demands_attention, _net_wm_state_hidden, _net_wm_user_time, _net_wm_window_type,
 118    _net_wm_window_type_desktop, _net_wm_window_type_dialog, _net_wm_window_type_dock, _net_wm_window_type_dropdown_menu,
 119    _net_wm_window_type_menu, _net_wm_window_type_normal, _net_wm_window_type_popup_menu, _net_wm_window_type_splash,
 120    _net_wm_window_type_toolbar, _net_wm_window_type_utility, _net_workarea, _net_frame_extents, _net_request_frame_extents,
 121    _net_wm_state_maximized_vert, _net_wm_state_maximized_horz, _net_wm_state_modal, app_selection, _net_supported,
 122    _net_wm_state_skip_taskbar, _net_wm_state_fullscreen, _net_wm_state_above, capsLock, numLock, scrollLock
 123 };
 124
 125 static Atom atoms[AtomIdents];
 126 static bool atomsSupported[AtomIdents];
 127
 128 static const char *atomNames[AtomIdents] = {
 129    "CLIPBOARD", //clipboard
 130    "MULTIPLE", //multiple
 131    "TARGETS", //targets
 132    "UTF8_STRING", //utf8_string
 133    "WM_DELETE_WINDOW", //wm_delete_window
 134    "WM_HINTS", //wm_hints
 135    "WM_NAME", //wm_name
 136    "WM_PROTOCOLS", //wm_protocols
 137    "WM_STATE", //wm_state
 138    "WM_TAKE_FOCUS", //wm_take_focus
 139    "WM_TRANSIENT_FOR", //wm_transient_for
 140    "_MOTIF_WM_HINTS", //_motif_wm_hints
 141    "_NET_ACTIVE_WINDOW", //_net_active_window
 142    "_NET_CURRENT_DESKTOP", //_net_current_desktop
 143    "_NET_NUMBER_OF_DESKTOPS", //_net_number_of_desktops
 144    "_NET_WM_ICON", //_net_wm_icon
 145    "_NET_WM_NAME", //_net_wm_name
 146    "_NET_WM_PID", //_net_wm_pid
 147    "_NET_WM_STATE", //_net_wm_state
 148    "_NET_WM_STATE_DEMANDS_ATTENTION", //_net_wm_state_demands_attention
 149    "_NET_WM_STATE_HIDDEN", //_net_wm_state_hidden
 150    "_NET_WM_USER_TIME", //_net_wm_user_time
 151    "_NET_WM_WINDOW_TYPE", //_net_wm_window_type
 152    "_NET_WM_WINDOW_TYPE_DESKTOP", //_net_wm_window_type_desktop
 153    "_NET_WM_WINDOW_TYPE_DIALOG", //_net_wm_window_type_dialog
 154    "_NET_WM_WINDOW_TYPE_DOCK", //_net_wm_window_type_dock
 155    "_NET_WM_WINDOW_TYPE_DROPDOWN_MENU", //_net_wm_window_type_dropdown_menu
 156    "_NET_WM_WINDOW_TYPE_MENU", //_net_wm_window_type_menu
 157    "_NET_WM_WINDOW_TYPE_NORMAL", //_net_wm_window_type_normal
 158    "_NET_WM_WINDOW_TYPE_POPUP_MENU", //_net_wm_window_type_popup_menu
 159    "_NET_WM_WINDOW_TYPE_SPLASH", //_net_wm_window_type_splash
 160    "_NET_WM_WINDOW_TYPE_TOOLBAR", //_net_wm_window_type_toolbar
 161    "_NET_WM_WINDOW_TYPE_UTILITY", //_net_wm_window_type_utility
 162    "_NET_WORKAREA",  //_net_workarea
 163    "_NET_FRAME_EXTENTS", // _net_frame_extents
 164    "_NET_REQUEST_FRAME_EXTENTS", // _net_request_frame_extents
 165    "_NET_WM_STATE_MAXIMIZED_VERT", // _net_wm_state_maximized_vert
 166    "_NET_WM_STATE_MAXIMIZED_HORZ", // _net_wm_state_maximized_horz
 167    "_NET_WM_STATE_MODAL", // _net_wm_state_modal
 168    "APP_SELECTION",
 169    "_NET_SUPPORTED",
 170    "_NET_WM_STATE_SKIP_TASKBAR",
 171    "_NET_WM_STATE_FULLSCREEN",
 172    "_NET_WM_STATE_ABOVE",
 173    "Caps Lock",
 174    "Num Lock",
 175    "Scroll Lock",
 176 };
 177 /*
 178 _NET_WM_STATE_STICKY, ATOM
 179 _NET_WM_STATE_SHADED, ATOM
 180 _NET_WM_STATE_SKIP_PAGER, ATOM
 181 _NET_WM_STATE_BELOW, ATOM
 182 */
 183
 184 static bool autoRepeatDetectable;
 185 static bool setICPosition;
 186 int xSystemDepth;
 187 PixelFormat xSystemPixelFormat;
 188 Visual * xSystemVisual;
 189 bool xSharedMemory;
 190
 191 static void SetNETWMState(X11Window windowHandle, bool throughRoot, NETWMStateAction action, Atom atom1, Atom atom2)
 192 {
 193    if(atomsSupported[_net_wm_state])
 194    {
 195       int format;
 196       unsigned long count, fill;
 197       Atom type;
 198       char * data = null;
 199       uint state = WithdrawnState;
 200
 201       /*if(XGetWindowProperty(xGlobalDisplay, windowHandle, atoms[wm_state], 0, 3, False,
 202                  atoms[wm_state], &type, &format, &count, &fill, &data) == Success && count)
 203       {
 204          state = *(uint *)data;
 205          XFree(data);
 206       } */
 207       if(!throughRoot) //state == WithdrawnState)
 208       {
 209          // We need to handle modifying these ourselves for withdrawn windows...
 210          if(action == add)
 211          {
 212             Atom values[2] = { atom1, atom2 };
 213             XChangeProperty(xGlobalDisplay, windowHandle, atoms[_net_wm_state], XA_ATOM,
 214                32, PropModeAppend, (byte *)values, atom2 ? 2 : 1);
 215          }
 216          else if(XGetWindowProperty(xGlobalDisplay, windowHandle, atoms[_net_wm_state], 0, 32, False,
 217              XA_ATOM, &type, &format, &count, &fill, &data) == Success)
 218          {
 219             Atom * values = (Atom *) data;
 220             int i;
 221             for (i = 0; i < count; i++)
 222             {
 223                if(values[i] == atom1 || (atom2 && values[i] == atom2))
 224                {
 225                   if(i < count - 1)
 226                      memmove(values + i, values + i + 1, sizeof(Atom) * (count - i - 1));
 227                   count--;
 228                   i--;
 229                }
 230             }
 231             XChangeProperty(xGlobalDisplay, windowHandle, atoms[_net_wm_state], XA_ATOM, 32, PropModeReplace, (byte *)values, (int)count);
 232             XFree(data);
 233          }
 234       }
 235       else
 236       {
 237          XClientMessageEvent event = { 0 };
 238          event.type = ClientMessage;
 239          event.message_type = atoms[_net_wm_state];
 240          event.display = xGlobalDisplay;
 241          event.serial = 0;
 242          event.window = windowHandle;
 243          event.send_event = 1;
 244          event.format = 32;
 245          event.data.l[0] = action;
 246          event.data.l[1] = atom1;
 247          event.data.l[2] = atom2;
 248          XSendEvent(xGlobalDisplay, DefaultRootWindow(xGlobalDisplay), bool::false,
 249             SubstructureRedirectMask | SubstructureNotifyMask, (union _XEvent *)&event);
 250       }
 251    }
 252
 253 }
 254
 255 static X11Time timeStamp;
 256
 257 class XWindowData : struct
 258 {
 259 public:
 260    XVisualInfo * visual;
 261    XIC ic;
 262    bool laterFocus;
 263    // Decorations Size
 264    Box decor;
 265    bool gotFrameExtents;
 266    bool currentlyVisible;
 267 };
 268
 269 bool XGetBorderWidths(Window window, Box box)
 270 {
 271    XWindowData windowData = window.windowData;
 272    if(windowData)
 273    {
 274       if(window.state == maximized)
 275          box = { 0, 0, 0, 0 };
 276       else
 277          box = windowData.decor;
 278       return true;
 279    }
 280    return false;
 281 }
 282
 283 static Visual * FindFullColorVisual(X11Display *dpy, int * depth)
 284 {
 285    XVisualInfo vinfo;
 286    XVisualInfo *vinfo_ret;
 287    int numitems;
 288
 289    vinfo._class = TrueColor;
 290    vinfo_ret = XGetVisualInfo(dpy, VisualClassMask, &vinfo, &numitems);
 291    if(numitems)
 292    {
 293       int maxdepth = 0;
 294       while(numitems > 0)
 295       {
 296          if(vinfo_ret[numitems-1].depth > maxdepth)
 297             maxdepth = vinfo_ret[numitems-1].depth;
 298          numitems--;
 299       }
 300       XFree((void *) vinfo_ret);
 301       if(maxdepth >= 16)
 302       {
 303          if(XMatchVisualInfo(dpy, DefaultScreen(dpy), maxdepth, TrueColor, &vinfo))
 304          {
 305             *depth = maxdepth;
 306             return vinfo.visual;
 307          }
 308       }
 309    }
 310    return null;
 311 }
 312
 313 static void RepositionDesktop(bool updateChildren)
 314 {
 315    int x = 0, y = 0;
 316    int w, h;
 317    Screen * x_screen = XDefaultScreenOfDisplay(xGlobalDisplay);
 318    X11Window x_root;
 319    int current = 0;
 320    char *data = null;
 321    int format;
 322    unsigned long len, fill;
 323    Atom type;
 324    static double lastTime = 0, time;
 325
 326    time = GetTime();
 327    if(desktopW && desktopH && time - lastTime < 1.5) return;
 328    lastTime = time;
 329
 330    w = XDisplayWidth(xGlobalDisplay, DefaultScreen(xGlobalDisplay));
 331    h = XDisplayHeight(xGlobalDisplay, DefaultScreen(xGlobalDisplay));
 332    x_root = XRootWindowOfScreen(x_screen);
 333
 334    if(atomsSupported[_net_number_of_desktops])
 335    {
 336       if(XGetWindowProperty(xGlobalDisplay, x_root, atoms[_net_number_of_desktops], 0, 1, False,
 337                             XA_CARDINAL, &type, &format, &len, &fill,
 338                             &data) != Success)
 339       {
 340          printf("cant get xa desktops property\n");
 341       }
 342
 343       if(data)
 344       {
 345          int desktops = 0;
 346          desktops = (int)*(long *)data;
 347
 348          //printf("_NET_NUMBER_OF_DESKTOPS is %d\n", desktops);
 349
 350          XFree(data);
 351          data = null;
 352       }
 353    }
 354
 355    if(atomsSupported[_net_current_desktop])
 356    {
 357       if(XGetWindowProperty(xGlobalDisplay, x_root, atoms[_net_current_desktop], 0, 1, False,
 358                             XA_CARDINAL, &type, &format, &len, &fill,
 359                             &data) != Success)
 360       {
 361          printf("cant get xa current property\n");
 362       }
 363
 364       if(data)
 365       {
 366          current = (int)*(long *)data;
 367          XFree(data);
 368          data = null;
 369
 370          //printf("_NET_CURRENT_DESKTOP is %d\n", current);
 371       }
 372    }
 373    if(atomsSupported[_net_workarea])
 374    {
 375       long *workareas;
 376
 377       if(XGetWindowProperty(xGlobalDisplay, x_root, atoms[_net_workarea], 0, (4 * 32),
 378                             False, AnyPropertyType, &type, &format, &len,
 379                             &fill, &data) != Success)
 380       {
 381          //printf("warning\n");
 382       }
 383
 384       /*
 385       if(type == None || format == 0)
 386          printf("warning\n");
 387
 388       if(fill)
 389          printf("warning\n");
 390
 391       if(len % 4)
 392          printf("warning\n");
 393       */
 394
 395       if(data)
 396       {
 397          workareas = (long *)data;
 398
 399          x = (int)workareas[current * 4];
 400          y = (int)workareas[current * 4 + 1];
 401          w = (int)workareas[current * 4 + 2];
 402          h = (int)workareas[current * 4 + 3];
 403
 404          //printf("_NET_WORKAREA is x = %d, y = %d, w = %d, h = %d\n", x, y, w, h);
 405          XFree(data);
 406          data = null;
 407       }
 408       //   printf("Work Area width: %d, height %d\n", w, h);
 409    }
 410
 411    if(desktopX != x || desktopY != y || desktopW != w || desktopH != h)
 412    {
 413       bool skip = false;
 414       // Don't change the desktop area if another fullscreen application is running
 415       // (Attemps to solve the debugging IDE being re-activated while switching debugged app between fullscreen/windowed on Cinnamon)
 416       if(XGetWindowProperty(xGlobalDisplay, x_root, atoms[_net_active_window], 0, 32,
 417                             False, AnyPropertyType, &type, &format, &len,
 418                             &fill, &data) == Success && data)
 419       {
 420          X11Window active = *(long *)data;
 421          XFree(data);
 422          if(XGetWindowProperty(xGlobalDisplay, active, atoms[_net_wm_state], 0, 32, False,
 423              XA_ATOM, &type, &format, &len, &fill, &data) == Success)
 424          {
 425             Atom * values = (Atom *) data;
 426             int i;
 427             for (i = 0; i < len; i++)
 428             {
 429                if(values[i] == atoms[_net_wm_state_fullscreen])
 430                {
 431                   skip = true;
 432                   break;
 433                }
 434             }
 435             XFree(data);
 436          }
 437       }
 438       if(w && h && !skip)
 439       {
 440          guiApp.SetDesktopPosition(x, y, w, h, updateChildren);
 441          desktopX = x;
 442          desktopY = y;
 443          desktopW = w;
 444          desktopH = h;
 445       }
 446    }
 447 }
 448
 449 /****************************************************************************
 450    /// PRIVATE UTILITY FUNCTIONS /////////////
 451 ****************************************************************************/
 452 // --- Keyboard Input ---
 453 #define KEYCODE_HOME    0x59
 454 #define KEYCODE_UP      0x5A
 455 #define KEYCODE_PGUP    0x5B
 456 #define KEYCODE_LEFT    0x5C
 457 #define KEYCODE_RIGHT   0x5E
 458 #define KEYCODE_END     0x5F
 459 #define KEYCODE_DOWN    0x60
 460 #define KEYCODE_PGDWN   0x61
 461 #define KEYCODE_INS     0x62
 462 #define KEYCODE_DEL     0x63
 463 #define KEYCODE_SLASH   0x68
 464
 465 default:
 466 extern int __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnKeyHit;
 467 extern int __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnKeyUp;
 468 extern int __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnKeyDown;
 469 extern int __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnKeyHit;
 470 extern int __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnMouseMove;
 471 extern int __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnLeftDoubleClick;
 472 extern int __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnLeftButtonDown;
 473 extern int __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnLeftButtonUp;
 474 extern int __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnMiddleDoubleClick;
 475 extern int __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnMiddleButtonDown;
 476 extern int __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnMiddleButtonUp;
 477 extern int __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnRightDoubleClick;
 478 extern int __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnRightButtonDown;
 479 extern int __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnRightButtonUp;
 480 private:
 481
 482 static bool ProcessKeyMessage(Window window, uint keyCode, int release, XKeyEvent * event)
 483 {
 484    bool result = true;
 485    Key code;
 486    unichar ch = 0;
 487    KeySym keysym = NoSymbol;
 488    int buflength = 0;
 489    static long bufsize = 16;
 490    static char *buf = NULL;
 491    XWindowData windowData = window.windowData;
 492    Key key = 0;
 493
 494    if(window.destroyed) return result;
 495
 496    // Logf("Got 0x%x (%d)\n", keyCode, key);
 497
 498    // Translate the key code
 499    /*
 500    key = key - 8;
 501    //Logf("Got 0x%x (%d)\n", key, key);
 502
 503    switch(key)
 504    {
 505       case KEYCODE_HOME: key = home; break;
 506       case KEYCODE_UP: key = up; break;
 507       case KEYCODE_PGUP: key = pageUp; break;
 508       case KEYCODE_LEFT: key = left; break;
 509       case KEYCODE_RIGHT: key = right; break;
 510       case KEYCODE_END: key = end; break;
 511       case KEYCODE_DOWN: key = down; break;
 512       case KEYCODE_PGDWN: key = pageDown; break;
 513       case KEYCODE_INS: key = insert; break;
 514       case KEYCODE_DEL: key = del; break;
 515       case KEYCODE_SLASH: key = keyPadSlash; break;
 516    }
 517
 518    ch = (byte)Interface::TranslateKey(key, event->state & ShiftMask);
 519    */
 520 /*
 521    if(release)
 522       Logf("Key up:   %3d (%2x)\n", key, key);
 523    else
 524       Logf("Key down: %3d (%2x)\n", key, key);
 525 */
 526
 527    if(!buf)
 528       buf = malloc((uint)bufsize);
 529
 530    // TOCHECK: X*LookupString man page says we shouldn't invoke it for non KeyPress events
 531    if(windowData && windowData.ic) // && event->type == KeyPress)
 532    {
 533       Status status;
 534 #ifdef X_HAVE_UTF8_STRING
 535    #define LookupString Xutf8LookupString
 536 #else
 537    #define LookupString XmbLookupString
 538 #endif
 539       buflength = LookupString(windowData.ic, event, buf, (int)bufsize, &keysym, &status);
 540       if(status == XBufferOverflow)
 541       {
 542          buf = realloc(buf, (uint)(bufsize = buflength));
 543          buflength = LookupString(windowData.ic, event, buf, (int)bufsize, &keysym, &status);
 544       }
 545       if(status != XLookupKeySym && status != XLookupBoth && release == 1)
 546          keysym = XLookupKeysym(event, 0);
 547    }
 548    else
 549    {
 550       keysym = XLookupKeysym(event, 0);
 551    }
 552
 553    // printf("Got keysym %d (%x)\n", keysym, keysym);
 554    if(keysym != NoSymbol) //status == XLookupKeySym || status == XLookupBoth)
 555    {
 556       switch(keysym)
 557       {
 558          case XK_BackSpace:   key = backSpace; break;
 559          case XK_ISO_Left_Tab: key = tab; break;
 560          case XK_Tab:         key = tab; break;
 561          // case XK_Linefeed:
 562          // case XK_Clear:
 563          case XK_Return:      key = enter; break;
 564          case XK_Pause:       key = pauseBreak; break;
 565          case XK_Scroll_Lock: key = scrollLock; break;
 566          case XK_Sys_Req:     key = printScreen; break;
 567          case XK_Escape:      key = escape; break;
 568          case XK_Delete:      key = del; break;
 569
 570          case XK_Home:        key = home; break;
 571          case XK_Left:        key = left; break;
 572          case XK_Up:          key = up; break;
 573          case XK_Right:       key = right; break;
 574          case XK_Down:        key = down; break;
 575          // case XK_Prior:
 576          case XK_Page_Up:     key = pageUp; break;
 577          // case XK_Next:
 578          case XK_Page_Down:   key = pageDown; break;
 579          case XK_End:         key = end; break;
 580          // case XK_Begin:
 581
 582          // case XK_Select:
 583          // case XK_Print:
 584          // case XK_Execute:
 585          case XK_Insert:      key = insert; break;
 586          // case XK_Undo:
 587          // case XK_Redo:
 588          // case XK_Menu:
 589          // case XK_Find:
 590          // case XK_Cancel:
 591 #ifdef __APPLE__
 592          case XK_Help:     key = insert; break;
 593 #endif
 594          case XK_Break:    key = Key { pauseBreak, ctrl = true }; break;
 595 #ifdef __APPLE__
 596          case XK_Mode_switch: key = leftAlt; break;
 597 #endif
 598          // case XK_script_switch:
 599          case XK_Num_Lock:    key = numLock; break;
 600
 601          // case XK_KP_Space:
 602          // case XK_KP_Tab:
 603          case XK_KP_Enter:    key = keyPadEnter; break;
 604          // case XK_KP_F1:
 605          // case XK_KP_F2:
 606          // case XK_KP_F3:
 607          // case XK_KP_F4:
 608          case XK_KP_Home:     key = keyPadHome; break;
 609          case XK_KP_Left:     key = keyPadLeft; break;
 610          case XK_KP_Up:       key = keyPadUp; break;
 611          case XK_KP_Right:    key = keyPadRight; break;
 612          case XK_KP_Down:     key = keyPadDown; break;
 613          // case XK_KP_Prior:
 614          case XK_KP_Page_Up:  key = keyPadPageUp; break;
 615          // case XK_KP_Next:
 616          case XK_KP_Page_Down:key = keyPadPageDown; break;
 617          case XK_KP_End:      key = keyPadEnd; break;
 618          // case XK_KP_Begin:
 619          case XK_KP_Insert:   key = keyPadInsert; break;
 620          case XK_KP_Delete:   key = keyPadDelete; break;
 621          // case XK_KP_Equal:
 622          case XK_KP_Multiply: key = keyPadStar; break;
 623          case XK_KP_Add:      key = keyPadPlus; break;
 624          case XK_KP_Separator:key = keyPadDelete; break;
 625          case XK_KP_Subtract: key = keyPadMinus; break;
 626          // case XK_KP_Decimal:
 627          case XK_KP_Divide:   key = keyPadSlash; break;
 628
 629          case XK_KP_0:  key = keyPad0; break;
 630          case XK_KP_1:  key = keyPad1; break;
 631          case XK_KP_2:  key = keyPad2; break;
 632          case XK_KP_3:  key = keyPad3; break;
 633          case XK_KP_4:  key = keyPad4; break;
 634          case XK_KP_5:  key = keyPad5; break;
 635          case XK_KP_6:  key = keyPad6; break;
 636          case XK_KP_7:  key = keyPad7; break;
 637          case XK_KP_8:  key = keyPad8; break;
 638          case XK_KP_9:  key = keyPad9; break;
 639
 640          case XK_F1: key = f1; break;
 641          case XK_F2: key = f2; break;
 642          case XK_F3: key = f3; break;
 643          case XK_F4: key = f4; break;
 644          case XK_F5: key = f5; break;
 645          case XK_F6: key = f6; break;
 646          case XK_F7: key = f7; break;
 647          case XK_F8: key = f8; break;
 648          case XK_F9: key = f9; break;
 649          case XK_F10: key = f10; break;
 650          case XK_F11: key = f11; break;
 651          //case XK_L1:
 652          case XK_F12: key = f12; break;
 653          /*
 654          case XK_L2:
 655          case XK_F13:
 656          case XK_L3:
 657          case XK_F14:
 658          case XK_L4:
 659          case XK_F15:
 660          case XK_L5:
 661          case XK_F16:
 662          case XK_L6:
 663          case XK_F17:
 664          case XK_L7:
 665          case XK_F18:
 666          case XK_L8:
 667          case XK_F19:
 668          case XK_L9:
 669          case XK_F20:
 670          case XK_L10:
 671          case XK_F21:
 672          case XK_R1:
 673          case XK_F22:
 674          case XK_R2:
 675          case XK_F23:
 676          case XK_R3:
 677          case XK_F24:
 678          case XK_R4:
 679          case XK_F25:
 680          case XK_R5:
 681          case XK_F26:
 682          case XK_R6:
 683          case XK_F27:
 684          case XK_R7:
 685          case XK_F28:
 686          case XK_R8:
 687          case XK_F29:
 688          case XK_R9:
 689          case XK_F30:
 690          case XK_R10:
 691          case XK_F31:
 692          case XK_R11:
 693          case XK_F32:
 694          case XK_R12:
 695          case XK_F33:
 696          case XK_R13:
 697          case XK_F34:
 698          case XK_R14:
 699          case XK_F35:
 700          case XK_R15:
 701          */
 702          case XK_Shift_L: key = leftShift; break;
 703          case XK_Shift_R: key = rightShift; break;
 704          case XK_Control_L: key = leftControl; break;
 705          case XK_Control_R: key = rightControl; break;
 706          case XK_Caps_Lock: key = capsLock; break;
 707          // case XK_Shift_Lock:
 708          // case XK_Meta_L:
 709          // case XK_Meta_R:
 710          case XK_Alt_L: key = leftAlt; break;
 711          case XK_Alt_R: key = rightAlt; break;
 712          // case XK_Super_L:
 713          // case XK_Super_R:
 714          // case XK_Hyper_L:
 715          // case XK_Hyper_R:
 716
 717          case XK_space: key = space; break;
 718          case XK_exclam: key = bang; break;
 719          case XK_quotedbl: key = doubleQuote; break;
 720          case XK_numbersign: key = pound; break;
 721          case XK_dollar: key = dollar; break;
 722          case XK_percent: key = percent; break;
 723          case XK_ampersand: key = ampersand; break;
 724          case XK_apostrophe: key = quote; break;
 725          // case XK_quoteright: key = quote; break;
 726          case XK_parenleft: key = leftParanthesis; break;
 727          case XK_parenright: key = rightParanthesis; break;
 728          case XK_asterisk: key = star; break;
 729          case XK_plus: key = plus; break;
 730          case XK_comma: key = comma; break;
 731          case XK_minus: key = minus; break;
 732          case XK_period: key = period; break;
 733          case XK_slash: key = slash; break;
 734          case XK_0: key = k0; break;
 735          case XK_1: key = k1; break;
 736          case XK_2: key = k2; break;
 737          case XK_3: key = k3; break;
 738          case XK_4: key = k4; break;
 739          case XK_5: key = k5; break;
 740          case XK_6: key = k6; break;
 741          case XK_7: key = k7; break;
 742          case XK_8: key = k8; break;
 743          case XK_9: key = k9; break;
 744          case XK_colon: key = colon; break;
 745          case XK_semicolon: key = semicolon; break;
 746          case XK_less: key = smallerThan; break;
 747          case XK_equal: key = equal; break;
 748          case XK_greater: key = greaterThan; break;
 749          case XK_question: key = questionMark; break;
 750          case XK_at: key = ampersand; break;
 751          case XK_A: key = a; break;
 752          case XK_B: key = b; break;
 753          case XK_C: key = c; break;
 754          case XK_D: key = d; break;
 755          case XK_E: key = e; break;
 756          case XK_F: key = f; break;
 757          case XK_G: key = g; break;
 758          case XK_H: key = h; break;
 759          case XK_I: key = i; break;
 760          case XK_J: key = j; break;
 761          case XK_K: key = k; break;
 762          case XK_L: key = l; break;
 763          case XK_M: key = m; break;
 764          case XK_N: key = n; break;
 765          case XK_O: key = o; break;
 766          case XK_P: key = p; break;
 767          case XK_Q: key = q; break;
 768          case XK_R: key = r; break;
 769          case XK_S: key = s; break;
 770          case XK_T: key = t; break;
 771          case XK_U: key = u; break;
 772          case XK_V: key = v; break;
 773          case XK_W: key = w; break;
 774          case XK_X: key = x; break;
 775          case XK_Y: key = y; break;
 776          case XK_Z: key = z; break;
 777          case XK_bracketleft: key = leftBracket; break;
 778          case XK_backslash: key = backSlash; break;
 779          case XK_bracketright: key = rightBracket; break;
 780          case XK_asciicircum: key = circumflex; break;
 781          case XK_underscore: key = underscore; break;
 782          // case XK_grave: key = backQuote; break;
 783          case XK_quoteleft: key = backQuote; break;
 784          case XK_a: key = a; break;
 785          case XK_b: key = b; break;
 786          case XK_c: key = c; break;
 787          case XK_d: key = d; break;
 788          case XK_e: key = e; break;
 789          case XK_f: key = f; break;
 790          case XK_g: key = g; break;
 791          case XK_h: key = h; break;
 792          case XK_i: key = i; break;
 793          case XK_j: key = j; break;
 794          case XK_k: key = k; break;
 795          case XK_l: key = l; break;
 796          case XK_m: key = m; break;
 797          case XK_n: key = n; break;
 798          case XK_o: key = o; break;
 799          case XK_p: key = p; break;
 800          case XK_q: key = q; break;
 801          case XK_r: key = r; break;
 802          case XK_s: key = s; break;
 803          case XK_t: key = t; break;
 804          case XK_u: key = u; break;
 805          case XK_v: key = v; break;
 806          case XK_w: key = w; break;
 807          case XK_x: key = x; break;
 808          case XK_y: key = y; break;
 809          case XK_z: key = z; break;
 810          case XK_braceleft: key = leftBracket; break;
 811          case XK_bar: key = pipe; break;
 812          case XK_braceright: key = rightBracket; break;
 813          case XK_asciitilde: key = tilde; break;
 814       }
 815    }
 816    if(!windowData.ic)
 817    {
 818       ch = (byte)Interface::TranslateKey(key, event->state & ShiftMask);
 819       // 127 is delete, we don't treat that as a character (Use (SmartKey)key == del)
 820       if(ch == 128 || ch == 127) ch = 0;
 821    }
 822    code = key;
 823    if(keysym == XK_ISO_Left_Tab)
 824       code.shift = true;
 825    if(key != leftShift && key != rightShift && event->state & ShiftMask)
 826       code.shift = true;
 827    if(key != leftControl && key != rightControl && event->state & ControlMask)
 828       code.ctrl = true;
 829    if(key != leftAlt && key != rightAlt && event->state & Mod1Mask)
 830    {
 831       if(fullScreenMode && key == tab)
 832       {
 833          XUngrabKeyboard(xGlobalDisplay, CurrentTime);
 834          guiApp.SetAppFocus(false);
 835          SetNETWMState((X11Window)window.windowHandle, true, remove, atoms[_net_wm_state_fullscreen], 0);
 836          XIconifyWindow(xGlobalDisplay, (X11Window)window.windowHandle, DefaultScreen(xGlobalDisplay));
 837          if(acquiredInputWindow)
 838             XInterface::SetMousePosition(guiApp.acquiredMouseX, guiApp.acquiredMouseY);
 839       }
 840       code.alt = true;
 841    }
 842
 843 #ifdef __APPLE__
 844    if(key != leftAlt && key != rightAlt && event->state & (1<<13))
 845    {
 846       code.alt = true;
 847       /*buflength = 0;
 848       ch = 0;*/
 849    }
 850 #endif
 851
 852    // Logf("Key Message: %s, keysym: 0x%x, key: %d state: %d, ch: %c\n", release ? ((release == 2) ? "REPEAT" : "KeyRelease") : "KeyPress", keysym, key, event->state, (byte)ch);
 853
 854    incref window;
 855    if(release == 1)
 856    {
 857       int numBytes;
 858
 859       if(code < KeyCode::enumSize) keyStates[code] = false;
 860       if(windowData && windowData.ic) ch = buflength ? UTF8GetChar(buf, &numBytes) : 0;
 861       if(ch == 127) ch = 0;
 862       // printf("Release! %d %d %d\n", keysym, code, ch);
 863       result = window.KeyMessage(__ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnKeyUp, code, ch);
 864    }
 865    else
 866    {
 867       int c;
 868       if(release == 0)
 869       {
 870          if(code < KeyCode::enumSize) keyStates[code] = true;
 871
 872          if(windowData.ic && buflength)
 873          {
 874             for(c = 0; c<buflength;)
 875             {
 876                int numBytes;
 877                ch = UTF8GetChar(buf + c, &numBytes);
 878                if(ch == 127) ch = 0;
 879                result = window.KeyMessage((c == 0) ?
 880                   __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnKeyDown : __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnKeyHit,
 881                   (c == 0) ? code : 0, ch);
 882                c += numBytes;
 883                if(!numBytes) c = buflength;
 884             }
 885          }
 886          else
 887             result = window.KeyMessage(__ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnKeyDown, code, ch);
 888       }
 889       else if(key<128)
 890       {
 891          if(buflength && windowData.ic)
 892             for(c = 0; c<buflength;)
 893             {
 894                int numBytes;
 895                ch = UTF8GetChar(buf + c, &numBytes);
 896                if(ch == 127) ch = 0;
 897                result = window.KeyMessage(__ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnKeyHit, code, ch);
 898                c += numBytes;
 899                if(!numBytes) c = buflength;
 900             }
 901          else
 902             result = window.KeyMessage(__ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnKeyHit, code, ch);
 903       }
 904    }
 905    delete window;
 906
 907    return result;
 908 }
 909 /*
 910 static uint E_CALL XEventThread(void * data)
 911 {
 912    for(;;)
 913    {
 914       XEvent e;
 915       xSemaphore.Wait();
 916       if(xTerminate) break;
 917       if(!gotAnXEvent)
 918       {
 919          XPeekEvent(xGlobalDisplay, &e);
 920          gotAnXEvent = true;
 921          guiApp.SignalEvent();
 922       }
 923    }
 924    return 0;
 925 }
 926 */
 927
 928 static X11Bool EventChecker(void *display, XEvent *event, char * data)
 929 {
 930    return (!data || (event->type == (int) data)) && event->type != NoExpose && event->type != GraphicsExpose;
 931 }
 932
 933 static X11Bool ConfigureNotifyChecker(void *display, XConfigureEvent *event, char * data)
 934 {
 935    return (!data || (event->window == (X11Window) data)) && event->type == ConfigureNotify;
 936 }
 937
 938 static X11Bool FocusInChecker(void *display, XFocusChangeEvent *event, char * data)
 939 {
 940    X11Bool result = False;
 941    if(event->type == FocusIn)
 942    {
 943       Window window = null;
 944       // --- This deadlocks and I think Xorg should fix this.
 945       // XFindContext(xGlobalDisplay, event->window, windowContext, (XPointer *) &window);
 946       if((X11Window)guiApp.desktop.windowHandle == event->window)
 947          window = guiApp.desktop;
 948       else
 949       {
 950          for(window = guiApp.desktop.firstChild; window; window = window.next)
 951             if((X11Window)window.windowHandle == event->window)
 952                break;
 953       }
 954       if(window)
 955          result = True;
 956    }
 957    return result;
 958 }
 959
 960 static enum FrameExtentSupport { unknown, working, broken };
 961
 962 static FrameExtentSupport frameExtentSupported;
 963 static Time frameExtentRequest;
 964 static X11Window frameExtentWindow;
 965
 966 static uint timerDelay = MAXINT;
 967 #define RESOLUTION   (18.2 * 100)
 968 static uint XTimerThread(Thread thread)
 969 {
 970    int s = ConnectionNumber(xGlobalDisplay);
 971    /*
 972    Time lastTime, thisTime;
 973    lastTime = GetTime();
 974    */
 975    for(;;)
 976    {
 977       //int result;
 978       //bool waitSemaphore = false;
 979       fd_set readSet, writeSet, exceptSet;
 980       struct timeval tv = { (timerDelay == MAXINT) ? 0 : (timerDelay / 1000000), (timerDelay == MAXINT) ? (int)(1000000 / 18.2) : (timerDelay % 1000000) };
 981
 982       if(xTerminate) break;
 983       FD_ZERO(&readSet);
 984       FD_ZERO(&writeSet);
 985       FD_ZERO(&exceptSet);
 986       FD_SET(s, &readSet);
 987       FD_SET(s, &exceptSet);
 988       xMutex.Wait();
 989       if(select(s + 1, &readSet, null, null, &tv))
 990       {
 991          if(FD_ISSET(s, &readSet))
 992             gotAnXEvent = true;
 993       }
 994       if(frameExtentSupported == unknown && frameExtentRequest && GetTime() - frameExtentRequest > 1)
 995       {
 996          XPropertyEvent event = { 0 };
 997          event.type = PropertyNotify;
 998          event.state = PropertyNewValue;
 999          event.atom = atoms[_net_frame_extents];
1000          event.display = xGlobalDisplay;
1001          event.serial = 0;
1002          event.window = frameExtentWindow;
1003          event.send_event = 1;
1004
1005          frameExtentSupported = broken;
1006
1007          XSendEvent(xGlobalDisplay, frameExtentWindow, bool::false,
1008             PropertyChangeMask, (union _XEvent *)&event);
1009       }
1010       xMutex.Release();
1011       guiApp.SignalEvent();
1012       xSemaphore.Wait();
1013
1014 #if 0
1015       XEvent e;
1016       Sleep(1.0 / RESOLUTION);
1017       thisTime = GetTime();
1018       if(xTerminate) break;
1019       if(thisTime - lastTime > (1.0 / 18.2))
1020       {
1021          guiApp.SignalEvent();
1022          lastTime = thisTime;
1023       }
1024       else
1025       {
1026          xMutex.Wait();
1027          if(!gotAnXEvent)
1028          {
1029             XLockDisplay(xGlobalDisplay);
1030             if(XCheckIfEvent(xGlobalDisplay, &xEvent, EventChecker, null))
1031             {
1032                gotAnXEvent = true;
1033                guiApp.SignalEvent();
1034             }
1035             XUnlockDisplay(xGlobalDisplay);
1036          }
1037          xMutex.Release();
1038       }
1039 #endif
1040    }
1041    return 0;
1042 }
1043
1044 static int MyXErrorHandler(X11Display * display, XErrorEvent * event)
1045 {
1046    char buffer[1024];
1047    if(xGlobalDisplay)
1048       XGetErrorText(xGlobalDisplay, event->error_code, buffer, sizeof(buffer));
1049 #ifdef _DEBUG
1050    Logf("X Error: %s\n", buffer);
1051 #endif
1052    return 0;
1053 }
1054
1055 static int MyXIOErrorHandler(X11Display * display)
1056 {
1057    Log("X IO Error\n");
1058    return 0;
1059 }
1060
1061 // Motif Hints (to get rid of the decorations)
1062 #define MWM_HINTS_FUNCTIONS   (1L << 0)
1063 #define MWM_HINTS_DECORATIONS (1L << 1)
1064 #define MWM_HINTS_INPUT_MODE  (1L << 2)
1065 #define MWM_HINTS_STATUS      (1L << 3)
1066
1067 #define MWM_DECOR_ALL         (1L << 0)
1068 #define MWM_DECOR_BORDER      (1L << 1)
1069 #define MWM_DECOR_RESIZEH     (1L << 2)
1070 #define MWM_DECOR_TITLE       (1L << 3)
1071 #define MWM_DECOR_MENU        (1L << 4)
1072 #define MWM_DECOR_MINIMIZE    (1L << 5)
1073 #define MWM_DECOR_MAXIMIZE    (1L << 6)
1074
1075 #define MWM_FUNC_ALL (1L << 0)
1076 #define MWM_FUNC_RESIZE (1L << 1)
1077 #define MWM_FUNC_MOVE (1L << 2)
1078 #define MWM_FUNC_MINIMIZE (1L << 3)
1079 #define MWM_FUNC_MAXIMIZE (1L << 4)
1080 #define MWM_FUNC_CLOSE (1L << 5)
1081
1082 struct MWM_Hints
1083 {
1084   unsigned long flags;
1085   unsigned long functions;
1086   unsigned long decorations;
1087   long inputMode;
1088   unsigned long status;
1089 };
1090
1091 static void WaitForViewableWindow(Window window)
1092 {
1093    //int attempts = 0;
1094    //Logf("Wait for viewable %s\n", window.name);
1095    XFlush(xGlobalDisplay);
1096    //while(attempts++ < 40)
1097    while(true)
1098    {
1099       XWindowAttributes attributes = { 0 };
1100       int result;
1101       if(!XGetWindowAttributes(xGlobalDisplay, (X11Window)window.windowHandle, &attributes))
1102          break;
1103       if(attributes.map_state == IsViewable)
1104          break;
1105       else
1106          Sleep(1.0 / RESOLUTION);
1107    }
1108 }
1109
1110 static bool RequestFrameExtents(X11Window windowHandle)
1111 {
1112    if(frameExtentSupported != broken)
1113    {
1114       // Request decoration frame extents
1115       XClientMessageEvent event = { 0 };
1116       event.type = ClientMessage;
1117       event.message_type = atoms[_net_request_frame_extents];
1118       event.display = xGlobalDisplay;
1119       event.serial = 0;
1120       event.window = windowHandle;
1121       event.send_event = 1;
1122       event.format = 32;
1123
1124       if(frameExtentSupported == unknown && !frameExtentRequest)
1125       {
1126          frameExtentRequest = GetTime();
1127          frameExtentWindow = windowHandle;
1128       }
1129
1130       XSendEvent(xGlobalDisplay, DefaultRootWindow(xGlobalDisplay), bool::false,
1131          SubstructureRedirectMask | SubstructureNotifyMask, (union _XEvent *)&event);
1132       return true;
1133    }
1134    return false;
1135 }
1136
1137 static bool GetFrameExtents(Window window, bool update)
1138 {
1139    XWindowData windowData = window.windowData;
1140    bool result = false;
1141    int format;
1142    unsigned long len, fill;
1143    Atom type;
1144    char * data = null;
1145
1146    if(XGetWindowProperty(xGlobalDisplay, (X11Window)window.windowHandle,
1147       atoms[_net_frame_extents], 0, 4,
1148        False, XA_CARDINAL, &type, &format, &len,
1149        &fill, &data) == Success && data)
1150    {
1151       long *extents = (long *)data;
1152       bool change = extents[0] != windowData.decor.left ||
1153                     extents[1] != windowData.decor.right ||
1154                     extents[2] != windowData.decor.top ||
1155                     extents[3] != windowData.decor.bottom;
1156
1157       bool hadFrameExtents = windowData.gotFrameExtents;
1158       Box oldDecor = windowData.decor;
1159
1160       frameExtentSupported = working;
1161       frameExtentWindow = 0;
1162       frameExtentRequest = 0;
1163
1164       if(!hadFrameExtents || extents[0] || extents[1] || extents[2] || extents[3])
1165       {
1166          windowData.decor =
1167          {
1168             left = (int)extents[0], right  = (int)extents[1],
1169             top  = (int)extents[2], bottom = (int)extents[3]
1170          };
1171          windowData.gotFrameExtents = true;
1172          if(update && change && ((Window)window).clientSize.w > 0)
1173          {
1174             int x = window.position.x, y = window.position.y, w = window.size.w, h = window.size.h;
1175             if(!hadFrameExtents && window.state != maximized)
1176             {
1177                window.ComputeAnchors(
1178                   window.normalAnchor,
1179                   window.normalSizeAnchor,
1180                   &x, &y, &w, &h);
1181             }
1182             else
1183             {
1184                x += windowData.decor.left - oldDecor.left;
1185                y += windowData.decor.top - oldDecor.top;
1186
1187                w += windowData.decor.left - oldDecor.left + windowData.decor.right - oldDecor.right;
1188                h += windowData.decor.top - oldDecor.top   + windowData.decor.bottom - oldDecor.bottom;
1189             }
1190
1191             if(window.state != maximized)
1192             {
1193                window.Position(x, y, w, h, true, true, true, true, false, !hadFrameExtents && window.state != maximized);
1194                XInterface::UpdateRootWindow(window);
1195             }
1196          }
1197          result = true;
1198       }
1199       XFree(data);
1200    }
1201    return result;
1202 }
1203
1204 static bool WaitForFrameExtents(Window window, bool update)
1205 {
1206    int attempts = 0;
1207    //XFlush(xGlobalDisplay);
1208    while(attempts++ < 40)
1209    {
1210       if(GetFrameExtents(window, update)) return true;
1211       Sleep(1.0 / RESOLUTION);
1212    }
1213    return false;
1214 }
1215
1216 /****************************************************************************
1217    /// DRIVER IMPLEMENTATION /////////////
1218 ****************************************************************************/
1219
1220 /*static */class HiResTimer : Thread
1221 {
1222    bool terminate;
1223    uint delay;
1224
1225    void Stop()
1226    {
1227       if(started)
1228       {
1229          terminate = true;
1230          Wait();
1231       }
1232    }
1233
1234    uint Main()
1235    {
1236       while(!terminate)
1237       {
1238          //usleep(delay);
1239          // Sleep(delay / 1000000.0);
1240          struct timeval tv = { delay / 1000000, delay % 1000000 };
1241          select(0,null,null,null, &tv);
1242          guiApp.SignalEvent();
1243       }
1244       return 0;
1245    }
1246 };
1247
1248 static HiResTimer hiResTimer { };
1249
1250 default:
1251
1252 #include <sys/ipc.h>
1253 #include <sys/shm.h>
1254 #include <signal.h>
1255 #include <locale.h>
1256
1257
1258 private:
1259
1260 #ifndef SHM_STAT
1261 #define SHM_STAT  13
1262 #define SHM_INFO  14
1263 #endif
1264
1265 static int terminatePid;
1266
1267 static void SigIntHandler(int value)
1268 {
1269    // printf("SigHandler %d\n", getpid());
1270    if(!terminatePid || terminatePid == getpid())
1271    {
1272       terminateX++;
1273       terminatePid = getpid();
1274       // printf("terminateX now equals %d\n", terminateX);
1275       if(guiApp && guiApp.semaphore)
1276          guiApp.semaphore.Release();
1277    }
1278    /*
1279    struct shmid_ds info;
1280    int maxid = shmctl (0, SHM_INFO, &info);
1281    int pid = getpgrp();
1282    int thisPid = getpid();
1283    //if(thisPid == pid)
1284    /-*
1285    {
1286       if(maxid >= 0)
1287       {
1288          int id;
1289          for(id = 0; id <= maxid; id++)
1290          {
1291             struct shmid_ds shmseg;
1292             int shmid;
1293             if((shmid = shmctl(id, SHM_STAT, &shmseg)) >= 0)
1294             {
1295                if(shmseg.shm_cpid == pid || shmseg.shm_cpid == thisPid)
1296                {
1297                   printf("%d (%d) belongs to us (%d)\n", shmid, id, shmseg.shm_cpid);
1298                   shmctl(shmid, IPC_RMID, 0);
1299                }
1300             }
1301          }
1302       }
1303       exit(0);
1304    }
1305    */
1306    /*else if(guiApp.desktop)
1307       guiApp.desktop.Destroy(0);*/
1308 }
1309
1310 static void X11UpdateState(Window window, bool * unmaximized)
1311 {
1312    if(atomsSupported[_net_wm_state]) //window.nativeDecorations)
1313    {
1314       int format;
1315       unsigned long len, fill;
1316       Atom type;
1317       char * data = null;
1318       if(XGetWindowProperty(xGlobalDisplay, (X11Window)window.systemHandle, atoms[_net_wm_state], 0, 32, False,
1319              XA_ATOM, &type, &format, &len, &fill, &data) == Success)
1320       {
1321          bool maxVert = false, maxHorz = false, isMinimized = false;
1322          Atom * hints = (Atom *)data;
1323          int c;
1324          for(c = 0; c < len && hints[c]; c++)
1325          {
1326             if(hints[c] == atoms[_net_wm_state_maximized_vert])
1327                maxVert = true;
1328             else if(hints[c] == atoms[_net_wm_state_maximized_horz])
1329                maxHorz = true;
1330             else if(hints[c] == atoms[_net_wm_state_hidden])
1331                isMinimized = true;
1332          }
1333          XFree(data);
1334
1335          if(maxVert && maxHorz)
1336          {
1337             if(window.state != maximized)
1338             {
1339                *&window.state = maximized;
1340                if(!window.nativeDecorations)
1341                   window.CreateSystemChildren();
1342             }
1343          }
1344          else if(isMinimized)
1345          {
1346             if(window.state != minimized)
1347             {
1348                *&window.state = minimized;
1349                if(!window.nativeDecorations)
1350                   window.CreateSystemChildren();
1351             }
1352          }
1353          else if(window.state != normal)
1354          {
1355             if(unmaximized && window.state == maximized)
1356                *unmaximized = true;
1357             *&window.state = normal;
1358             if(!window.nativeDecorations)
1359                window.CreateSystemChildren();
1360          }
1361       }
1362    }
1363 }
1364
1365 class XInterface : Interface
1366 {
1367    class_property(name) = "X";
1368
1369    // --- User Interface System ---
1370    bool Initialize()
1371    {
1372       setlocale(LC_ALL, "en_US.UTF-8");
1373       XInitThreads();
1374       XSupportsLocale();
1375       XSetLocaleModifiers("");
1376       XSetErrorHandler(MyXErrorHandler);
1377       XSetIOErrorHandler(MyXIOErrorHandler);
1378 #ifndef __APPLE__
1379       signal(SIGINT, SigIntHandler);
1380 #endif
1381       xTerminate = false;
1382       xGlobalDisplay = XOpenDisplay(null);
1383
1384 #if (defined(__unix__) || defined(__APPLE__)) && !defined(__ANDROID__)
1385       if(xGlobalDisplay)
1386          XLockDisplay(xGlobalDisplay);
1387 #endif
1388
1389       // XSynchronize(xGlobalDisplay, True);
1390       frameExtentSupported = unknown;
1391
1392       joystickFD[0] = open("/dev/js0", O_RDONLY);
1393       joystickFD[1] = open("/dev/js1", O_RDONLY);
1394       joystickFD[2] = open("/dev/js2", O_RDONLY);
1395       joystickFD[3] = open("/dev/js3", O_RDONLY);
1396
1397       systemCursors[iBeam]    = XCreateFontCursor(xGlobalDisplay, XC_xterm);
1398       systemCursors[cross]    = XCreateFontCursor(xGlobalDisplay, XC_tcross);
1399       systemCursors[moving]   = XCreateFontCursor(xGlobalDisplay, XC_fleur);
1400       systemCursors[sizeNESW] = XCreateFontCursor(xGlobalDisplay, XC_bottom_left_corner);
1401       systemCursors[sizeNS]   = XCreateFontCursor(xGlobalDisplay, XC_sb_v_double_arrow);
1402       systemCursors[sizeNWSE] = XCreateFontCursor(xGlobalDisplay, XC_bottom_right_corner);
1403       systemCursors[sizeWE]   = XCreateFontCursor(xGlobalDisplay, XC_sb_h_double_arrow);
1404       systemCursors[hand]     = XCreateFontCursor(xGlobalDisplay, XC_hand2);
1405       systemCursors[arrow]    = XCreateFontCursor(xGlobalDisplay, XC_left_ptr);
1406
1407       if(xGlobalDisplay)
1408       {
1409          XWindowAttributes attributes = { 0 };
1410          XGetWindowAttributes(xGlobalDisplay, DefaultRootWindow(xGlobalDisplay), &attributes);
1411          xSystemDepth = attributes.depth;
1412          xSystemVisual = attributes.visual;
1413          switch(xSystemDepth)
1414          {
1415             case 32: case 24: xSystemPixelFormat = pixelFormat888; break;
1416             case 16:
1417             case 15:
1418             {
1419                XVisualInfo vinfo;
1420                XVisualInfo *vinfo_ret;
1421                int numitems = 0;
1422
1423                vinfo.visualid = XVisualIDFromVisual(xSystemVisual);
1424                vinfo_ret = XGetVisualInfo(xGlobalDisplay, VisualIDMask, &vinfo, &numitems);
1425                if(numitems)
1426                {
1427                   xSystemPixelFormat = (vinfo_ret->green_mask == 0x3E0) ? pixelFormat555 : pixelFormat565;
1428                   /*
1429                   if(GetXRenderFormat(xSystemPixelFormat, 0))
1430                   {
1431                      // printf("Got X Render format %d\n", xSystemPixelFormat);
1432                      break;
1433                   }
1434                   else
1435                      printf("No X Format?\n");
1436                   xSystemPixelFormat = (xSystemPixelFormat == pixelFormat555) ? pixelFormat565 : pixelFormat555;
1437                   vinfo = *vinfo_ret;
1438                   // vinfo._class = DirectColor;
1439                   vinfo.visualid = 0;
1440                   vinfo.bits_per_rgb = 5;
1441                   vinfo.depth = xSystemDepth;
1442                   vinfo.green_mask = (xSystemPixelFormat == pixelFormat555) ? 0x3E0 : 0x7E0;
1443                   vinfo.red_mask   = (xSystemPixelFormat == pixelFormat555) ? 0x7C00 : 0xF800;
1444                   XFree((void *) vinfo_ret);
1445                   if(XMatchVisualInfo(xGlobalDisplay, DefaultScreen(xGlobalDisplay), vinfo.depth, vinfo._class, &vinfo))
1446                   //vinfo_ret = XGetVisualInfo(xGlobalDisplay, VisualDepthMask|VisualRedMaskMask|VisualGreenMaskMask|VisualBlueMaskMask, &vinfo, &numitems);
1447                   //if(vinfo_ret)
1448                   {
1449                      //vinfo = *vinfo_ret;
1450                      if(GetXRenderFormat(xSystemPixelFormat, 0))
1451                      {
1452                         // printf("Got X Render format %d (second try)\n", xSystemPixelFormat);
1453                         // printf("red mask: %x, green mask: %x, blue mask: %x\n", vinfo.red_mask,vinfo.green_mask, vinfo.blue_mask);
1454                      }
1455                      xSystemVisual = vinfo.visual;
1456                   }
1457                   else
1458                      printf("Could not get a 555 visual\n");
1459                   */
1460                }
1461                break;
1462             }
1463          }
1464          // printf("Got a depth of %d\n", xSystemDepth);
1465
1466          {
1467             int major, minor, pixmaps;
1468             xSharedMemory = XShmQueryExtension(xGlobalDisplay) && XShmQueryVersion(xGlobalDisplay, &major, &minor, &pixmaps) && pixmaps;
1469          }
1470
1471          // printf("Opening IM\n");
1472          im = XOpenIM(xGlobalDisplay, null, null, null);
1473          // if(im)
1474          {
1475             XColor fore = { 0 }, back = { 0 };
1476             Pixmap pixmap = XCreatePixmap(xGlobalDisplay, DefaultRootWindow(xGlobalDisplay), 1, 1, 1);
1477             Pixmap mask = XCreatePixmap(xGlobalDisplay, DefaultRootWindow(xGlobalDisplay), 1, 1, 1);
1478             XSetWindowAttributes attributes = { 0 };
1479
1480             XkbSetDetectableAutoRepeat(xGlobalDisplay, True, &autoRepeatDetectable);
1481
1482             XInternAtoms(xGlobalDisplay, (char**)atomNames, AtomIdents::enumSize, False, atoms);
1483
1484             // Check which atoms are supported by the WM
1485             {
1486                int format;
1487                unsigned long count, fill;
1488                Atom type;
1489                Atom * data;
1490
1491                if(XGetWindowProperty(xGlobalDisplay, DefaultRootWindow(xGlobalDisplay), atoms[_net_supported],
1492                   0, 10000, False, XA_ATOM, &type, &format, &count, &fill, (void *)&data) == Success)
1493                {
1494                   int i;
1495                   for (i = 0; i < count; i++)
1496                   {
1497                      AtomIdents j;
1498                      for(j = 0; j < AtomIdents::enumSize; j++)
1499                      {
1500                         if(atoms[j] == data[i])
1501                         {
1502                            atomsSupported[j] = true;
1503                            break;
1504                         }
1505                      }
1506                   }
1507                   XFree(data);
1508                }
1509             }
1510
1511             /*
1512             if(atomsSupported[_net_workarea])
1513                printf("Warning: _NET_WORKAREA extension not supported\n");
1514             */
1515
1516             attributes.override_redirect = True;
1517             if(!windowContext)
1518             {
1519                windowContext = XUniqueContext();
1520             }
1521
1522             nullCursor = XCreatePixmapCursor(xGlobalDisplay, pixmap, mask, &fore, &back, 0, 0);
1523             confineWindow = XCreateWindow(xGlobalDisplay, DefaultRootWindow(xGlobalDisplay),
1524                0,0,1,1,0, CopyFromParent, InputOnly, xSystemVisual /*CopyFromParent*/, CWOverrideRedirect, &attributes);
1525
1526
1527             // IM initialization
1528             {
1529                /*ic = XCreateIC(im, XNInputStyle,
1530                   XIMPreeditNothing | XIMStatusNothing,
1531                   // XIMPreeditNone | XIMStatusNone | XIMPreeditPosition | XIMStatusArea | XIMPreeditArea | XIMStatusArea | XIMPreeditNothing | XIMStatusNothing,
1532                   XNClientWindow, confineWindow, XNFocusWindow, confineWindow, 0);
1533                   */
1534
1535                /*
1536                XIMStyles *IMcando;
1537                XIMStyle  clientCanDo;
1538                XIMStyle  styleWeWillUse = null;
1539                int i;
1540                XVaNestedList arglist;
1541                unsigned long imEventMask;
1542
1543                XGetImValues(im, XNQueryInputStyle, &IMcando, null);
1544                XSetICFocus(ic);
1545                clientCanDo =
1546                   XIMPreeditNone | XIMStatusNone |
1547                   XIMPreeditPosition | XIMStatusArea |
1548                   XIMPreeditArea | XIMStatusArea |
1549                   XIMPreeditNothing | XIMStatusNothing;
1550
1551                for(i=0; i<IMcando->count_styles; i++)
1552                {
1553                    XIMStyle tmpStyle;
1554                    tmpStyle = IMcando->support_styles[i];
1555                    if ( ((tmpStyle & clientCanDo) == tmpStyle) && prefer(tmpStyle, styleWeWillUse) )
1556                      styleWeWillUse = tmpStyle;
1557                }
1558                if(styleWeWillUse = null)
1559                    exit_with_error();
1560                XFree(IMcando);
1561
1562                arglist = XVaCreateNestedList(0, XNFontSet, fontset,
1563                                           XNForeground,
1564                                           WhitePixel(xGlobalDisplay, screen),
1565                                           XNBackground,
1566                                           BlackPixel(xGlobalDisplay, screen),
1567                                           NULL);
1568                ic = XCreateIC(im, XNInputStyle, styleWeWillUse,
1569                              XNClientWindow, window, XNFocusWindow, window,
1570                              XNStatusAttributes, arglist,
1571                              XNPreeditAttributes, arglist, NULL);
1572                XFree(arglist);
1573                if (ic == null)
1574                    exit_with_error();
1575
1576                XGetWindowAttributes(xGlobalDisplay, win, &winAtts);
1577                XGetICValues(ic, XNFilterEvents, &imEventMask, null);
1578                imEventMask |= winAtts.your_event_mask;
1579                XSelectInput(xGlobalDisplay, window, imEventMask);
1580                XSetICFocus(ic);
1581                */
1582             }
1583
1584             xMutex.Wait();
1585             timerThread = Thread { };
1586             incref timerThread;
1587             timerThread.Main = XTimerThread;
1588             timerThread.Create();
1589
1590             return true;
1591          }
1592       }
1593       return false;
1594    }
1595
1596    void Terminate()
1597    {
1598       XEvent e = { 0 };
1599       xTerminate = true;
1600
1601       // WHY WAS THIS COMMENTED HERE?
1602       // Probably because it was causing crashes, the proper fix should now be in DestroyRootWindow
1603       delete lastActive;
1604
1605       xMutex.Release();
1606       xSemaphore.Release();
1607
1608       timerThread.Wait();
1609       delete timerThread;
1610       hiResTimer.Stop();
1611
1612       XFreeCursor(xGlobalDisplay, systemCursors[iBeam]);
1613       XFreeCursor(xGlobalDisplay, systemCursors[cross]);
1614       XFreeCursor(xGlobalDisplay, systemCursors[moving]);
1615       XFreeCursor(xGlobalDisplay, systemCursors[sizeNESW]);
1616       XFreeCursor(xGlobalDisplay, systemCursors[sizeNS]);
1617       XFreeCursor(xGlobalDisplay, systemCursors[sizeNWSE]);
1618       XFreeCursor(xGlobalDisplay, systemCursors[sizeWE]);
1619       XFreeCursor(xGlobalDisplay, systemCursors[hand]);
1620       XFreeCursor(xGlobalDisplay, systemCursors[arrow]);
1621
1622       //XPutBackEvent(xGlobalDisplay, &e);
1623       // xThread.Wait();
1624       // delete xThread;
1625
1626       /*if(windowData && windowData.ic)
1627       {
1628          XDestroyIC(windowData.ic);
1629          windowData.ic = null;
1630       }*/
1631       if(im)
1632       {
1633          XCloseIM(im);
1634          im = null;
1635       }
1636       XCloseDisplay(xGlobalDisplay);
1637       xGlobalDisplay = null;
1638
1639       if(joystickFD[0] != -1) close(joystickFD[0]);
1640       if(joystickFD[1] != -1) close(joystickFD[1]);
1641       if(joystickFD[2] != -1) close(joystickFD[2]);
1642       if(joystickFD[3] != -1) close(joystickFD[3]);
1643    }
1644
1645    #define DBLCLICK_DELAY  300   // 0.3 second
1646    #define DBLCLICK_DELTA  1
1647
1648    bool ProcessInput(bool processAll)
1649    {
1650       bool eventAvailable = false;
1651       XEvent e;
1652
1653       if(!fullScreenMode) RepositionDesktop(true);
1654       //xMutex.Wait();
1655 //*      XLockDisplay(xGlobalDisplay);
1656       while(!xTerminate && (/*gotAnXEvent || */XCheckIfEvent(xGlobalDisplay, &e, EventChecker, null)))
1657       {
1658          Window window = null;
1659          XAnyEvent * thisEvent = (XAnyEvent *)&e;
1660          // printf("Got an event: %d\n", thisEvent->type);
1661
1662          //if(gotAnXEvent) { thisEvent = (XAnyEvent *)&xEvent; gotAnXEvent = false; }
1663
1664          if(im && XFilterEvent((union _XEvent *)thisEvent, None))
1665             continue;
1666          eventAvailable = true;
1667          XFindContext(xGlobalDisplay, thisEvent->window, windowContext, (XPointer *) &window);
1668          if(window)
1669          {
1670             XWindowData windowData = window.windowData;
1671             static uint lastKeyCode = 0;
1672             switch(thisEvent->type)
1673             {
1674                case KeyPress:
1675                {
1676                   XKeyEvent * event = (XKeyEvent *) thisEvent;
1677                   incref window;
1678                   timeStamp = event->time;
1679                   if(!window.active)
1680                   {
1681                      Window modalRoot = window.FindModal();
1682                      XWindowData windowData;
1683
1684                      activeWindow = (X11Window)window.windowHandle;
1685
1686                      if(!window.parent || window != window.parent.activeChild)
1687                      {
1688                         if(modalRoot)
1689                            modalRoot.ExternalActivate(true, true, window, null);
1690                         else
1691                            window.ExternalActivate(true, true, window, null); // lastActive);
1692                         windowData = modalRoot ? modalRoot.windowData : window.windowData;
1693                         if(windowData && windowData.ic)
1694                         {
1695                            // XSetICValues(ic, XNClientWindow, window.windowHandle, XNFocusWindow, window.windowHandle, 0);
1696                            XSetICFocus(windowData.ic);
1697                         }
1698                      }
1699                   }
1700                   //*XUnlockDisplay(xGlobalDisplay);
1701                   ProcessKeyMessage(window, event->keycode, (event->keycode == lastKeyCode) ? 2 : 0, event);
1702                   //*if(xGlobalDisplay) XLockDisplay(xGlobalDisplay);
1703                   lastKeyCode = event->keycode;
1704                   delete window;
1705                   break;
1706                }
1707                case KeyRelease:
1708                {
1709                   XKeyEvent * event = (XKeyEvent *) thisEvent;
1710                   XEvent nextEvent;
1711                   lastKeyCode = 0;
1712                   timeStamp = event->time;
1713                   if(!autoRepeatDetectable && XCheckIfEvent(xGlobalDisplay, (XEvent *)&nextEvent, EventChecker, (void *)KeyPress))
1714                   {
1715                      if(im && XFilterEvent(&nextEvent, None))
1716                         break;
1717
1718                      if(((XKeyEvent *)&nextEvent)->keycode == event->keycode)
1719                      {
1720                         //*XUnlockDisplay(xGlobalDisplay);
1721                         ProcessKeyMessage(window, event->keycode, 2, event);
1722                      }
1723                      else
1724                      {
1725                         //*XUnlockDisplay(xGlobalDisplay);
1726                         // printf("Keycode not the same :(\n");
1727                         ProcessKeyMessage(window, event->keycode, 1, event);
1728                         ProcessKeyMessage(window, ((XKeyEvent *)&nextEvent)->keycode, 0, (XKeyEvent *)&nextEvent);
1729                      }
1730                   }
1731                   else
1732                   {
1733                      //*XUnlockDisplay(xGlobalDisplay);
1734                      // printf("No KeyPress ahead\n");
1735                      ProcessKeyMessage(window, event->keycode, 1, event);
1736                   }
1737                   //*if(xGlobalDisplay) XLockDisplay(xGlobalDisplay);
1738                   break;
1739                }
1740                case ButtonPress:
1741                {
1742                   XButtonEvent * event = (XButtonEvent *) thisEvent;
1743
1744                   static double lastTime[3];
1745                   static Window lastWindow[3];
1746                   static Point lastPos[3];
1747
1748                   Modifiers keyFlags = 0;
1749                   bool doubleClick;
1750                   uint button, buttonDouble, whichButton;
1751                   uint buttonMask;
1752                   int x = event->x_root, y = event->y_root;
1753                   timeStamp = event->time;
1754                   if(event->button == Button1)
1755                   {
1756                      // Force a raise on click here to deal with confused active state preventing to bring the window up
1757                      if(!fullScreenMode)
1758                      {
1759                         if(!atomsSupported[_net_active_window] && !window.isRemote)
1760                            XRaiseWindow(xGlobalDisplay, (X11Window)window.windowHandle);
1761                         XSetInputFocus(xGlobalDisplay, (X11Window)window.windowHandle, RevertToParent, CurrentTime);
1762                      }
1763                      button = __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnLeftButtonDown;
1764                      buttonDouble = __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnLeftDoubleClick;
1765                      whichButton = 0;
1766                      buttonMask = Button1Mask;
1767                      keyFlags.left = true;
1768                      buttonsState.left = true;
1769                   }
1770                   else if(event->button == Button3)
1771                   {
1772                      button = __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnRightButtonDown;
1773                      buttonDouble = __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnRightDoubleClick;
1774                      whichButton = 2;
1775                      buttonMask = Button3Mask;
1776                      keyFlags.right = true;
1777                      buttonsState.right = true;
1778                   }
1779                   else
1780                   {
1781                      button = __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnMiddleButtonDown;
1782                      buttonDouble = __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnMiddleDoubleClick;
1783                      whichButton = 1;
1784                      buttonMask = Button2Mask;
1785                      keyFlags.middle = true;
1786                      buttonsState.middle = true;
1787                   }
1788                   if(event->state & buttonMask)
1789                      break;
1790
1791                   doubleClick = event->time - lastTime[whichButton] < DBLCLICK_DELAY &&
1792                      window == lastWindow[whichButton] &&
1793                      Abs(event->x_root - lastPos[whichButton].x) < DBLCLICK_DELTA &&
1794                      Abs(event->y_root - lastPos[whichButton].y) < DBLCLICK_DELTA;
1795                   lastTime[whichButton] = doubleClick ? 0 : event->time;
1796                   lastWindow[whichButton] = window;
1797                   lastPos[whichButton].x = event->x_root;
1798                   lastPos[whichButton].y = event->y_root;
1799
1800                   if(event->state & ShiftMask)     keyFlags.shift = true;
1801                   if(event->state & ControlMask)   keyFlags.ctrl = true;
1802                   if(event->state & Mod1Mask)      keyFlags.alt = true;
1803                   if(event->state & Button1Mask)   keyFlags.left = true;
1804                   if(event->state & Button2Mask)   keyFlags.middle = true;
1805                   if(event->state & Button3Mask)   keyFlags.right = true;
1806                   //*XUnlockDisplay(xGlobalDisplay);
1807
1808                   incref window;
1809                   if(event->button == Button4 || event->button == Button5)
1810                   {
1811                      window.KeyMessage(__ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnKeyHit, (event->button == Button4) ? wheelUp : wheelDown, 0);
1812                   }
1813                   else
1814                   {
1815                      if(doubleClick)
1816                      {
1817                         if(!window.MouseMessage(buttonDouble, x, y, &keyFlags, false, true))
1818                         {
1819                            //*if(xGlobalDisplay) XLockDisplay(xGlobalDisplay);
1820                            delete window;
1821                            break;
1822                         }
1823                      }
1824                      window.MouseMessage(button, x, y, &keyFlags, false, /*doubleClick? false : */true);
1825                   }
1826                   //*if(xGlobalDisplay) XLockDisplay(xGlobalDisplay);
1827                   delete window;
1828                   break;
1829                }
1830                case ButtonRelease:
1831                {
1832                   Modifiers keyFlags = 0;
1833                   XButtonEvent * event = (XButtonEvent *) thisEvent;
1834                   uint button;
1835                   uint buttonMask;
1836                   int x = event->x_root, y = event->y_root;
1837                   if(event->button == Button1)
1838                   {
1839                      button = __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnLeftButtonUp;
1840                      buttonMask = Button1Mask;
1841                      buttonsState.left = false;
1842                   }
1843                   else if(event->button == Button3)
1844                   {
1845                      button = __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnRightButtonUp;
1846                      buttonMask = Button3Mask;
1847                      buttonsState.right = false;
1848                   }
1849                   else
1850                   {
1851                      button = __ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnMiddleButtonUp;
1852                      buttonMask = Button2Mask;
1853                      buttonsState.middle = false;
1854                   }
1855                   timeStamp = event->time;
1856                   if(!(event->state & buttonMask)) break;
1857                   if(event->state & ShiftMask)     keyFlags.shift = true;
1858                   if(event->state & ControlMask)   keyFlags.ctrl = true;
1859                   if(event->state & Mod1Mask)      keyFlags.alt = true;
1860                   if(event->state & Button1Mask)   keyFlags.left = true;
1861                   if(event->state & Button2Mask)   keyFlags.middle = true;
1862                   if(event->state & Button3Mask)   keyFlags.right = true;
1863                   if(guiApp.windowCaptured && guiApp.windowCaptured != window)
1864                   {
1865                      // X hasn't noticed the capture yet, so fix it!
1866                      x += window.absPosition.x;
1867                      y += window.absPosition.y;
1868                      window = guiApp.windowCaptured.rootWindow;
1869                      x -= window.absPosition.x;
1870                      y -= window.absPosition.y;
1871                   }
1872                   //*XUnlockDisplay(xGlobalDisplay);
1873                   incref window;
1874                   window.MouseMessage(button, x, y, &keyFlags, false, false);
1875                   delete window;
1876                   //*if(xGlobalDisplay) XLockDisplay(xGlobalDisplay);
1877                   break;
1878                }
1879                case MotionNotify:
1880                {
1881                   static uint lastTime = 0;
1882                   XMotionEvent * event = (XMotionEvent *) thisEvent;
1883                   while(XCheckIfEvent(xGlobalDisplay, (XEvent *)thisEvent, EventChecker, (void *)MotionNotify));
1884                   // if(event->time - lastTime > 15)
1885                   {
1886                      Modifiers keyFlags = 0;
1887                      timeStamp = event->time;
1888                      // int x = event->x_root, y = event->y_root;
1889
1890                      if(event->state & ShiftMask)     keyFlags.shift = true;
1891                      if(event->state & ControlMask)   keyFlags.ctrl = true;
1892                      if(event->state & Mod1Mask)      keyFlags.alt = true;
1893                      if(event->state & Button1Mask)   keyFlags.left = true;
1894                      if(event->state & Button2Mask)   keyFlags.middle = true;
1895                      if(event->state & Button3Mask)   keyFlags.right = true;
1896                      //*XUnlockDisplay(xGlobalDisplay);
1897                      incref window;
1898                      if(window == acquiredInputWindow)
1899                      {
1900                         lastMouse.x = event->x_root;
1901                         lastMouse.y = event->y_root;
1902                      }
1903                      window.MouseMessage(__ecereVMethodID___ecereNameSpace__ecere__gui__Window_OnMouseMove,
1904                         event->x_root, event->y_root, &keyFlags, false, false);
1905                      delete window;
1906                      //*if(xGlobalDisplay) XLockDisplay(xGlobalDisplay);
1907                      lastTime = (uint)event->time;
1908                   }
1909                   break;
1910                }
1911                case Expose:
1912                {
1913                   XExposeEvent * event = (XExposeEvent *) thisEvent;
1914                   Box box;
1915                   box.left = event->x;
1916                   box.top = event->y;
1917                   box.right = box.left + event->width - 1;
1918                   box.bottom = box.top + event->height - 1;
1919                   window.UpdateDirty(box);
1920                   break;
1921                }
1922                case SelectionRequest:
1923                {
1924                   XSelectionRequestEvent *req = (XSelectionRequestEvent *) thisEvent;
1925                   XEvent respond;
1926                   if(req->target == atoms[targets] && clipBoardData)
1927                   {
1928                      Atom * supportedTargets = new Atom[4];
1929                      supportedTargets[0] = atoms[targets];
1930                      supportedTargets[1] = atoms[multiple];
1931                      supportedTargets[2] = XA_STRING;
1932                      supportedTargets[3] = atoms[utf8_string];
1933                      XChangeProperty(xGlobalDisplay,req->requestor, req->_property,
1934                         XA_ATOM,32,PropModeReplace, (byte *) supportedTargets, 4*sizeof(Atom));
1935                      respond.xselection._property = req->_property;
1936                      delete supportedTargets;
1937                   }
1938                   else if((req->target == XA_STRING || req->target == atoms[utf8_string]) && clipBoardData)
1939                   {
1940                      Atom _property = (req->_property == None) ? req->target : req->_property;
1941                      XChangeProperty(xGlobalDisplay,req->requestor, _property,
1942                         req->target/*req->_property*/,8,PropModeReplace, (byte *) clipBoardData, strlen(clipBoardData));
1943                      respond.xselection._property = _property;
1944                   }
1945                   else
1946                      respond.xselection._property = None;
1947
1948                   respond.xselection.type = SelectionNotify;
1949                   respond.xselection.display = req->display;
1950                   respond.xselection.requestor = req->requestor;
1951                   respond.xselection.selection =req->selection;
1952                   respond.xselection.target = req->target;
1953                   respond.xselection.time = CurrentTime;
1954                   XSendEvent(xGlobalDisplay, req->requestor,0,0,&respond);
1955                   break;
1956                }
1957                case SelectionClear:
1958                {
1959                   delete clipBoardData;
1960                   break;
1961                }
1962                case FocusIn:
1963                {
1964                   lastMouse = acquireStart;
1965
1966                   guiApp.SetAppFocus(true);
1967
1968                   X11UpdateState(window, null);
1969
1970                   if(fullScreenMode)
1971                   {
1972                      if(acquiredInputWindow)
1973                      {
1974                         GetMousePosition(&guiApp.acquiredMouseX, &guiApp.acquiredMouseY);
1975                         lastMouse = { window.size.w/2, window.size.h/2 };
1976                         SetMousePosition(lastMouse.x, lastMouse.y);
1977                      }
1978                      XRaiseWindow(xGlobalDisplay, (X11Window)window.windowHandle);
1979                      SetNETWMState((X11Window)window.windowHandle, true, add, atoms[_net_wm_state_fullscreen], 0);
1980                      XGrabKeyboard(xGlobalDisplay, (X11Window)window.windowHandle, False,  GrabModeAsync, GrabModeAsync, CurrentTime);
1981                         (xGlobalDisplay, (X11Window)window.windowHandle, RevertToParent, timeStamp);
1982                      XInterface::UpdateRootWindow(window);
1983                      break;
1984                   }
1985
1986                   if(activeWindow != (X11Window)window.windowHandle)
1987                   {
1988                      XFocusChangeEvent *event = (XFocusChangeEvent *) thisEvent;
1989                      Window modalRoot = window.FindModal();
1990                      XWindowData windowData;
1991
1992                      activeWindow = (X11Window)window.windowHandle;
1993
1994                      if(window.parent && window == window.parent.activeChild) break;
1995                      incref window;
1996                      //if(window.creationActivation == activate)
1997                      {
1998                         if(modalRoot)
1999                            modalRoot.ExternalActivate(true, true, window, null); // lastActive);
2000                         else
2001                            window.ExternalActivate(true, true, window, null); // lastActive);
2002                      }
2003                      windowData = modalRoot ? modalRoot.windowData : window.windowData;
2004                      if(windowData && windowData.ic)
2005                      {
2006                         // XSetICValues(ic, XNClientWindow, window.windowHandle, XNFocusWindow, window.windowHandle, 0);
2007                         XSetICFocus(windowData.ic);
2008                      }
2009                      //delete lastActive;
2010                      //lastActive = window;
2011                      //incref lastActive;
2012                      delete window;
2013                   }
2014                   break;
2015                }
2016                case FocusOut:
2017                {
2018 #ifdef _DEBUG
2019                   //printf("Processing a FocusOut Event for %s (%x)\n", window._class.name, window);
2020 #endif
2021
2022                   /*
2023                   if(XCheckTypedWindowEvent(xGlobalDisplay, thisEvent->window, FocusIn, (XEvent *)thisEvent))
2024                   {
2025                      break;
2026                   }
2027                   */
2028
2029                   if(XCheckIfEvent(xGlobalDisplay, (XEvent *)thisEvent, (void *)FocusInChecker, null))
2030                   {
2031                      if(!fullScreenMode)
2032                         XPutBackEvent(xGlobalDisplay, (XEvent *)thisEvent);
2033                      break;
2034                   }
2035
2036
2037                   if(fullScreenMode || (X11Window)window.windowHandle == activeWindow)
2038                      guiApp.SetAppFocus(false);
2039
2040                   if(fullScreenMode)
2041                   {
2042                      //XUngrabKeyboard(xGlobalDisplay, CurrentTime);
2043                      //SetNETWMState((X11Window)window.windowHandle, true, remove, atoms[_net_wm_state_fullscreen], 0);
2044                      //XIconifyWindow(xGlobalDisplay, (X11Window)window.windowHandle, DefaultScreen(xGlobalDisplay));
2045                      break;
2046                   }
2047
2048                   if(thisEvent->window == activeWindow)
2049                      activeWindow = (X11Window)null;
2050 #if 0
2051                   if(XCheckTypedEvent(xGlobalDisplay, FocusIn, (XEvent *)thisEvent))
2052                   {
2053                      if(XCheckTypedWindowEvent(xGlobalDisplay, thisEvent->window, FocusOut, (XEvent *)thisEvent))
2054                      {
2055                         XFocusChangeEvent *event = (XFocusChangeEvent *) thisEvent;
2056
2057                         XFindContext(xGlobalDisplay, thisEvent->window, windowContext, (XPointer *) &window);
2058                         if(window)
2059                         {
2060                            Window windowCopy = window;
2061                            XWindowData windowData;
2062                            if(windowCopy == windowCopy.parent.activeChild) break;
2063                            incref windowCopy;
2064                            windowCopy.ExternalActivate(true, true,  windowCopy, lastActive);
2065
2066                            windowData = windowCopy.windowData;
2067                            if(windowData && windowData.ic)
2068                               XSetICFocus(windowData.ic);
2069
2070                            delete lastActive;
2071                            lastActive = windowCopy;
2072                            incref lastActive;
2073                            delete windowCopy;
2074                         }
2075
2076                         // XFindContext(xGlobalDisplay, thisEvent->window, windowContext, (XPointer *) &window);
2077                         if(window)
2078                         {
2079                            if(window != window.parent.activeChild) break;
2080                            incref window;
2081                            window.ExternalActivate(false, true,  window, lastActive);
2082                            delete window;
2083                         }
2084                      }
2085                      else
2086                      {
2087                         XWindowData windowData;
2088                         XFindContext(xGlobalDisplay, thisEvent->window, windowContext, (XPointer *) &window);
2089
2090                         if(window)
2091                         {
2092                            XFocusChangeEvent *event = (XFocusChangeEvent *) thisEvent;
2093                            Window modalRoot = window.FindModal();
2094
2095                            incref window;
2096                            if(modalRoot)
2097                            {
2098                               modalRoot.ExternalActivate(true, true, window, lastActive);
2099                            }
2100                            else
2101                            {
2102                               window.ExternalActivate(true, true, window, lastActive);
2103                            }
2104                            windowData = modalRoot ? modalRoot.windowData : window.windowData;
2105                            if(windowData && windowData.ic)
2106                               XSetICFocus(windowData.ic);
2107
2108                            delete lastActive;
2109                            lastActive = window;
2110                            incref lastActive;
2111                            delete window;
2112                         }
2113                      }
2114                   }
2115                   else
2116 #endif
2117                   {
2118                      XFocusChangeEvent *event = (XFocusChangeEvent *) thisEvent;
2119                      if(window.parent && window != window.parent.activeChild && window != guiApp.interimWindow) break;
2120                      incref window;
2121
2122 #ifdef _DEBUG
2123                      //printf("Deactivating %s\n", window._class.name);
2124 #endif
2125
2126                      if(!window.ExternalActivate(false, true, window, null /*lastActive*/))
2127                      {
2128                         XCheckTypedEvent(xGlobalDisplay, /*thisEvent->window, */ButtonPress, (XEvent *)thisEvent);
2129                      }
2130
2131                      //delete lastActive;
2132                      /*
2133                      lastActive = window;
2134                      incref lastActive;
2135                      */
2136                      delete window;
2137                   }
2138                   break;
2139                }
2140                case ConfigureNotify:
2141                {
2142                   XConfigureEvent * event = (XConfigureEvent *) thisEvent;
2143                   bool unmaximized = false;
2144                   if(!window.visible || fullScreenMode) break;
2145                   while(XCheckIfEvent(xGlobalDisplay, (XEvent *)thisEvent, (void *)ConfigureNotifyChecker, (void *)window.windowHandle));
2146                   //if(event->x - desktopX != window.position.x || event->y - desktopY != window.position.y || event->width != window.size.w || event->height != window.size.h)
2147
2148                   X11UpdateState(window, &unmaximized);
2149                   {
2150                      bool offset = false;
2151                      int x, y, w, h;
2152                      if(unmaximized && window.nativeDecorations)
2153                      {
2154                         if(window.nativeDecorations && RequestFrameExtents((X11Window)window.windowHandle))
2155                            WaitForFrameExtents(window, false);
2156
2157                         // Ensure we set the normal size anchor when un-maximizing
2158                         window.ComputeAnchors(window.normalAnchor, window.normalSizeAnchor, &x, &y, &w, &h);
2159                      }
2160                      else
2161                      {
2162                         x = event->x;
2163                         y = event->y;
2164                         w = event->width, h = event->height;
2165
2166                         //if(event->send_event)
2167                         {
2168                            X11Window rootChild;
2169                            int rootX, rootY;
2170                            XTranslateCoordinates(xGlobalDisplay, event->window,
2171                               RootWindow(xGlobalDisplay, DefaultScreen(xGlobalDisplay)), 0, 0,
2172                               &rootX, &rootY, &rootChild);
2173
2174                            if(x != rootX || y != rootY)
2175                            {
2176                               /*if(event->send_event)
2177                                  offset = true;*/
2178                               x = rootX;
2179                               y = rootY;
2180                            }
2181                         }
2182
2183                         x -= desktopX;
2184                         y -= desktopY;
2185
2186                         if(window.nativeDecorations && window.state != maximized)
2187                         {
2188                            x -= windowData.decor.left;
2189                            y -= windowData.decor.top;
2190                            w += windowData.decor.left + windowData.decor.right;
2191                            h += windowData.decor.top + windowData.decor.bottom;
2192                         }
2193                      }
2194
2195                      window.Position(x, y, w, h, false /*true*/, true, true, true, false, unmaximized);
2196
2197                      // Break the anchors for moveable/resizable windows
2198                      // Avoid doing this if the translation wasn't in sync as it will cause the window to move around
2199                      if(!unmaximized && !offset && window.style.fixed && window.state == normal)
2200                      {
2201                         window.normalAnchor = Anchor
2202                         {
2203                            left = x + windowData.decor.left,
2204                            top = y + windowData.decor.top
2205                         };
2206                         window.normalSizeAnchor =
2207                            SizeAnchor { { window.clientSize.w, window.clientSize.h }, isClientW = true, isClientH = true };
2208                      }
2209                   }
2210                   break;
2211                }
2212                case ClientMessage:
2213                {
2214                   XClientMessageEvent * event = (XClientMessageEvent *) thisEvent;
2215
2216                   if(event->data.l[0] == atoms[wm_delete_window])
2217                   {
2218                      window.Destroy(0);
2219                   }
2220
2221                   if(event->data.l[0] == atoms[wm_take_focus])
2222                   {
2223                      Window modalRoot;
2224                      XWindowData windowData;
2225                      bool laterFocus;
2226
2227                      if(fullScreenMode)
2228                      {
2229                         XRaiseWindow(xGlobalDisplay, (X11Window)window.windowHandle);
2230                         XSetInputFocus(xGlobalDisplay, (X11Window)window.windowHandle, RevertToParent, timeStamp);
2231                         XGrabKeyboard(xGlobalDisplay, (X11Window)window.windowHandle, False,  GrabModeAsync, GrabModeAsync, CurrentTime);
2232                         guiApp.SetAppFocus(true);
2233                         break;
2234                      }
2235
2236                      //activeWindow = (X11Window)window.windowHandle;
2237
2238                      timeStamp = (X11Time)event->data.l[1];
2239
2240                      windowData = window.windowData;
2241                      laterFocus = windowData.laterFocus;
2242                      windowData.laterFocus = true;
2243
2244 #ifdef _DEBUG
2245                      //printf("Processing a ClientMessage WM_TAKE_FOCUS Event for %s (%x)\n", window._class.name, window);
2246 #endif
2247                      if(guiApp.interimWindow && guiApp.interimWindow.created && window != guiApp.interimWindow) break; //window == window.parent.activeChild) break;
2248                      // if(window == window.parent.activeChild) break;
2249                      incref window;
2250
2251                      {
2252                         XEvent checkEvent;
2253                         //XFlush(xGlobalDisplay);
2254                         while(XCheckTypedEvent(xGlobalDisplay, FocusOut, &checkEvent))
2255                         {
2256                            XFocusChangeEvent *event = (XFocusChangeEvent *) &checkEvent;
2257                            Window window;
2258                            XFindContext(xGlobalDisplay, event->window, windowContext, (XPointer *) &window);
2259                            if(window.parent && window != window.parent.activeChild) break;
2260                            incref window;
2261
2262       #ifdef _DEBUG
2263                            //printf("Found a FocusOut ahead, deactivating %s (%d)\n", window._class.name, window);
2264       #endif
2265
2266                            if(!window.ExternalActivate(false, true, window, null /*lastActive*/))
2267                            {
2268                               XCheckTypedEvent(xGlobalDisplay, /*thisEvent->window, */ButtonPress, (XEvent *)thisEvent);
2269                            }
2270                            delete lastActive;
2271                            delete window;
2272                         }
2273                      }
2274
2275                      lastMouse = acquireStart;
2276                      modalRoot = window.FindModal();
2277                      windowData = modalRoot ? modalRoot.windowData : window.windowData;
2278                      if(windowData)
2279                      {
2280                         if(laterFocus || (modalRoot ? modalRoot : window).creationActivation == activate)
2281                         {
2282                            if(modalRoot)
2283                            {
2284                               XRaiseWindow(xGlobalDisplay, (X11Window)modalRoot.windowHandle);
2285                               WaitForViewableWindow(modalRoot);
2286                               if(atomsSupported[_net_active_window])
2287                               {
2288                                  XClientMessageEvent event = { 0 };
2289                                  event.type = ClientMessage;
2290                                  event.message_type = atoms[_net_active_window];
2291                                  event.display = xGlobalDisplay;
2292                                  event.serial = 0;
2293                                  event.window = (X11Window)modalRoot.windowHandle;
2294                                  event.send_event = 1;
2295                                  event.format = 32;
2296                                  event.data.l[0] = /*0*/ 1;
2297                                  event.data.l[1] = timeStamp;
2298                                  event.data.l[2] = activeWindow;
2299                                  /*
2300                                  event.data.l[2] = activeWindow; //guiApp.desktop.activeChild.windowHandle;
2301                                  */
2302 #ifdef _DEBUG
2303                                  //printf("(ClientMessage - %s) Setting _NET_ACTIVE_WINDOW for %s (%x)\n", window._class.name, modalRoot._class.name, modalRoot);
2304 #endif
2305
2306                                  XSendEvent(xGlobalDisplay, DefaultRootWindow(xGlobalDisplay), bool::false, SubstructureRedirectMask | SubstructureNotifyMask, (union _XEvent *)&event);
2307                                  XSetInputFocus(xGlobalDisplay, (X11Window)modalRoot.windowHandle, RevertToParent, timeStamp);
2308                                  guiApp.SetAppFocus(true);
2309                                  activeWindow = (X11Window)window.windowHandle;
2310
2311                                  //XFlush(xGlobalDisplay);
2312                                  //printf("Done.\n");
2313                               }
2314                            }
2315                            else
2316                            {
2317                               XSetInputFocus(xGlobalDisplay, (X11Window)window.windowHandle, RevertToParent, timeStamp);
2318                               guiApp.SetAppFocus(true);
2319                               activeWindow = (X11Window)window.windowHandle;
2320                               window.ExternalActivate(true, true, window, null); // lastActive);
2321                               if(windowData && windowData.ic)
2322                               {
2323                                  // XSetICValues(ic, XNClientWindow, window.windowHandle, XNFocusWindow, window.windowHandle, 0);
2324                                  //XSetICFocus(windowData.ic);
2325                               }
2326                            }
2327                         }
2328                         windowData.laterFocus = true;
2329                         delete lastActive;
2330                         lastActive = window;
2331                         incref lastActive;
2332                      }
2333                      delete window;
2334                   }
2335                   break;
2336                }
2337                case PropertyNotify:
2338                {
2339                   XWindowData windowData = window.windowData;
2340                   XPropertyEvent * event = (XPropertyEvent *) thisEvent;
2341                   if(!fullScreenMode && event->atom == atoms[_net_frame_extents] &&
2342                     event->state == PropertyNewValue && windowData)
2343                   {
2344                      if(!GetFrameExtents(window, true))
2345                         windowData.gotFrameExtents = true; // Unsupported?
2346                   }
2347                   break;
2348                }
2349             }
2350             if(!processAll) break;
2351          }
2352       }
2353       //*if(xGlobalDisplay) XUnlockDisplay(xGlobalDisplay);
2354       //xMutex.Release();
2355       if(!eventAvailable)
2356          return false;
2357       return true;
2358    }
2359
2360    void Wait()
2361    {
2362       gotAnXEvent = false;
2363       xMutex.Release();
2364       xSemaphore.Release();
2365       guiApp.WaitEvent();
2366       xMutex.Wait();
2367    }
2368
2369    void Lock(Window window)
2370    {
2371       //*XLockDisplay(xGlobalDisplay);
2372    }
2373
2374    void Unlock(Window window)
2375    {
2376       //*XUnlockDisplay(xGlobalDisplay);
2377    }
2378
2379    char ** GraphicsDrivers(int * numDrivers)
2380    {
2381       static char *graphicsDrivers[] = { "X", "OpenGL" };
2382       *numDrivers = sizeof(graphicsDrivers) / sizeof(char *);
2383       return (char **)graphicsDrivers;
2384    }
2385
2386    void GetCurrentMode(bool * fullScreen, int * resolution, int * colorDepth, int * refreshRate)
2387    {
2388       *fullScreen = fullScreenMode;
2389    }
2390
2391    void EnsureFullScreen(bool *fullScreen)
2392    {
2393
2394    }
2395
2396    bool ScreenMode(bool fullScreen, int resolution, int colorDepth, int refreshRate, bool * textMode)
2397    {
2398       bool result = true;
2399
2400       fullScreenMode = fullScreen;
2401
2402       if(fullScreen)
2403       {
2404
2405       }
2406       else
2407       {
2408          static bool firstTime = true;
2409          firstTime = false;
2410          desktopX = desktopY = desktopW = desktopH = 0;
2411
2412          RepositionDesktop(false);
2413       }
2414       return result;
2415    }
2416
2417    // --- Window Creation ---
2418    void * CreateRootWindow(Window window)
2419    {
2420       X11Window windowHandle;
2421       XSetWindowAttributes attributes = { 0 };
2422       XVisualInfo * visualInfo = null;
2423       int depth;
2424       Visual * visual;
2425       XIC ic = null;
2426       unsigned long mask = EVENT_MASK;
2427
2428       // Old WM (e.g. TWM), use built-in decorations
2429       if(!atomsSupported[_net_wm_state])
2430          window.nativeDecorations = false;
2431       attributes.override_redirect = (window.interim || (!atomsSupported[_net_wm_state] && !window.nativeDecorations)) ? True : False;
2432       attributes.event_mask = EVENT_MASK;
2433       //printf("%s\n", guiApp.defaultDisplayDriver);
2434 #if !defined(ECERE_VANILLA) && !defined(ECERE_NO3D) && !defined(ECERE_NOGL)
2435       if(window.dispDriver == class(OpenGLDisplayDriver) || !strcmp(guiApp.defaultDisplayDriver, "OpenGL"))
2436       {
2437          int samples;
2438          bool alpha = true;
2439          for(samples = 4;; samples /= 2)
2440          {
2441             bool found = false;
2442             int attrib[30] =
2443             {
2444                GLX_RENDER_TYPE, GLX_RGBA_BIT,
2445                GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
2446                GLX_DOUBLEBUFFER, True,
2447                GLX_DEPTH_SIZE, 1,
2448                GLX_RED_SIZE, 1,
2449                GLX_GREEN_SIZE, 1,
2450                GLX_BLUE_SIZE, 1
2451             };
2452             int numAttribs = 14;
2453
2454             GLXFBConfig *fbconfigs = null, fbconfig;
2455             int numfbconfigs;
2456             int i;
2457             //printf("Samples = %d, alpha = %d\n", samples, alpha);
2458             if(alpha)
2459             {
2460                attrib[numAttribs++] = GLX_ALPHA_SIZE;
2461                attrib[numAttribs++] = 1;
2462             }
2463             if(samples)
2464             {
2465                attrib[numAttribs++] = GLX_SAMPLE_BUFFERS_ARB;
2466                attrib[numAttribs++] = GL_TRUE;
2467                attrib[numAttribs++] = GLX_SAMPLES_ARB;
2468                attrib[numAttribs++] = samples;
2469             }
2470             attrib[numAttribs] = None;
2471
2472             // visualInfo = glXChooseVisual(xGlobalDisplay, DefaultScreen(xGlobalDisplay), attrib);
2473
2474             //printf("Trying %d samples...\n", samples);
2475             fbconfigs = glXChooseFBConfig(xGlobalDisplay, DefaultScreen(xGlobalDisplay), attrib, &numfbconfigs);
2476             if(fbconfigs)
2477             {
2478                for (i = 0; i < numfbconfigs; i++)
2479                {
2480                   XRenderPictFormat * format;
2481                   visualInfo = glXGetVisualFromFBConfig(xGlobalDisplay, fbconfigs[i]);
2482                   if (!visualInfo) continue;
2483                   if(window.alphaBlend)
2484                   {
2485                      format = XRenderFindVisualFormat(xGlobalDisplay, visualInfo->visual);
2486                      if (!format) { XFree(visualInfo); continue; }
2487                      if(format->direct.alphaMask > 0)
2488                      {
2489                         //printf("Found what we're looking for (alphaBlend)\n");
2490                         fbconfig = fbconfigs[i];
2491                         found = true;
2492                         break;
2493                      }
2494                   }
2495                   else
2496                   {
2497                      //printf("Found what we're looking for\n");
2498                      found = true;
2499                      break;
2500                   }
2501                }
2502                if (i == numfbconfigs)
2503                {
2504                   fbconfig = fbconfigs[0];
2505                   visualInfo = glXGetVisualFromFBConfig(xGlobalDisplay, fbconfig);
2506                }
2507             }
2508             if(fbconfigs)
2509                XFree(fbconfigs);
2510             if(found || (!samples && !alpha))
2511             {
2512                //printf("Stopping now\n");
2513                break;
2514             }
2515             else
2516                XFree(visualInfo);
2517             if(samples == 1) samples = 0;
2518             else if(!samples) alpha = false;
2519          }
2520       }
2521       if(!visualInfo)
2522       {
2523          int attrList[] =
2524          {
2525             GLX_USE_GL, GLX_DEPTH_SIZE, 1,
2526             GLX_RGBA,
2527             GLX_RED_SIZE, 1, GLX_GREEN_SIZE, 1, GLX_BLUE_SIZE, 1,
2528             GLX_DOUBLEBUFFER,
2529             None
2530          };
2531          visualInfo = glXChooseVisual(xGlobalDisplay, DefaultScreen(xGlobalDisplay), attrList);
2532       }
2533 #endif
2534       depth = visualInfo ? visualInfo->depth : (window.alphaBlend ? 32 : xSystemDepth);
2535       visual = visualInfo ? visualInfo->visual : (window.alphaBlend ? FindFullColorVisual (xGlobalDisplay, &depth) : xSystemVisual);
2536       // printf("visual: %d, depth: %d\n", visual, depth);
2537
2538       if(visual)
2539       {
2540          attributes.colormap = XCreateColormap(xGlobalDisplay, XRootWindow(xGlobalDisplay, DefaultScreen(xGlobalDisplay)), visual, AllocNone);
2541          attributes.border_pixel = 0;
2542       }
2543       else
2544          return null;
2545
2546       if(fullScreenMode)
2547       {
2548          windowHandle = XCreateWindow(xGlobalDisplay,
2549                DefaultRootWindow(xGlobalDisplay),
2550                0,0,
2551                XDisplayWidth(xGlobalDisplay, DefaultScreen(xGlobalDisplay)),
2552                XDisplayHeight(xGlobalDisplay, DefaultScreen(xGlobalDisplay)),
2553                0, depth, InputOutput, visual ? visual : CopyFromParent,
2554                CWEventMask | (visual ? (CWColormap | CWBorderPixel) : 0) | CWOverrideRedirect,
2555                &attributes);
2556
2557          {
2558             XSizeHints hints = { 0 };
2559             XSetWMNormalHints(xGlobalDisplay, windowHandle, &hints);
2560          }
2561
2562          {
2563             String caption = window.caption;
2564             XChangeProperty(xGlobalDisplay, windowHandle, atoms[_net_wm_name],
2565                atoms[utf8_string], 8, PropModeReplace, (byte *)window.caption, caption ? strlen(caption) : 0);
2566             XChangeProperty(xGlobalDisplay, windowHandle, atoms[wm_name],
2567                atoms[utf8_string], 8, PropModeReplace, (byte *)window.caption, caption ? strlen(caption) : 0);
2568          }
2569
2570          SetNETWMState((X11Window)windowHandle, false, add, atoms[_net_wm_state_fullscreen], 0);
2571          //SetNETWMState((X11Window)windowHandle, false, add, atoms[_net_wm_state_above], 0);
2572          {
2573             Atom hints[4];
2574             int count;
2575
2576             hints[0] = atoms[_net_wm_window_type_normal];
2577             count = 1;
2578             XChangeProperty(xGlobalDisplay, windowHandle, atoms[_net_wm_window_type], XA_ATOM, 32,
2579                PropModeReplace, (unsigned char*)&hints, count);
2580          }
2581
2582          {
2583             XWMHints xwmHints;
2584             xwmHints.flags = InputHint;
2585             xwmHints.input = 0;
2586             XSetWMHints(xGlobalDisplay, windowHandle, &xwmHints);
2587          }
2588          {
2589             Atom protocols[2] = { atoms[wm_delete_window], atoms[wm_take_focus] };
2590             XSetWMProtocols(xGlobalDisplay, windowHandle, protocols, 2);
2591          }
2592       }
2593       /*
2594          Unsupported for now...
2595       else if(window.systemParent)
2596       {
2597
2598       }
2599       */
2600       else
2601       {
2602          if(window.windowHandle)
2603             windowHandle = (X11Window)window.windowHandle;
2604          else
2605          {
2606             X11Window parentWindow = (X11Window)null;
2607             int x = window.position.x + desktopX, y = window.position.y + desktopY;
2608             int w = window.state == normal ? Max(1, window.size.w) : Max(1, window.normalSizeAnchor.size.w);
2609             int h = window.state == normal ? Max(1, window.size.h) : Max(1, window.normalSizeAnchor.size.h);
2610             MinMaxValue smw = 0, smh = 0;
2611             MinMaxValue minW = window.minSize.w, minH = window.minSize.h;
2612             window.OnResizing((int *)&minW, (int *)&minH);
2613
2614             // To fix jumping message boxes on Cinnamon:
2615             if(window.state == normal && (minW > window.minSize.w || minH > window.minSize.w))
2616                window.ComputeAnchors(window.normalAnchor, window.normalSizeAnchor, &x, &y, &w, &h);
2617
2618             window.SetWindowMinimum(&smw, &smh);
2619             minW = Max(minW, smw);
2620             minH = Max(minH, smh);
2621
2622             if(!window.nativeDecorations && window.state != normal)
2623             {
2624                w += window.size.w - window.clientSize.w;
2625                h += window.size.h - window.clientSize.h;
2626             }
2627
2628             if(window.master.rootWindow && window.master.rootWindow != guiApp.desktop && (window._isModal || window.style.interim))
2629             {
2630                Window master = window.master;
2631                Window rootWindow = master.rootWindow;
2632
2633                parentWindow = rootWindow.is3D ? (X11Window)rootWindow.parent.windowHandle : (X11Window)rootWindow.windowHandle;
2634
2635                // parentWindow = window.master.rootWindow.is3D ? window.master.rootWindow.parent.windowHandle : window.master.rootWindow.windowHandle;
2636             }
2637             if(window.style.showInTaskBar)
2638                parentWindow = (X11Window)null;
2639
2640             windowHandle = XCreateWindow(xGlobalDisplay, DefaultRootWindow(xGlobalDisplay),
2641                x, y, w, h,
2642                0, depth, InputOutput, visual ? visual : CopyFromParent,
2643                CWEventMask | CWOverrideRedirect | (visual ? (CWColormap | CWBorderPixel) : 0), &attributes);
2644
2645             if(parentWindow && (window.interim || window.isModal))
2646             {
2647                //printf("Setting WM_TRANSIENT_FOR of %s to %s\n", window._class.name, window.master.rootWindow._class.name);
2648                XSetTransientForHint(xGlobalDisplay, windowHandle, parentWindow);
2649                //XFlush(xGlobalDisplay);
2650                //printf("Done.\n");
2651                //XChangeProperty(xGlobalDisplay, windowHandle, atoms[wm_transient_for], XA_WINDOW, 32, PropModeReplace, (unsigned char*)&parentWindow, 1);
2652                if(window.isModal)
2653                   SetNETWMState(windowHandle, false, add, atoms[_net_wm_state_modal], 0);
2654             }
2655
2656             {
2657                Atom hints[4];
2658                int count;
2659                if(parentWindow && window.interim)
2660                {
2661                   hints[0] = atoms[_net_wm_window_type_dropdown_menu];
2662                   hints[1] = atoms[_net_wm_window_type_popup_menu];
2663                   hints[2] = atoms[_net_wm_window_type_menu];
2664                   count = 3;
2665                }
2666                else if(parentWindow)
2667                {
2668                   hints[0] = atoms[_net_wm_window_type_normal];
2669                   SetNETWMState(windowHandle, false, add, atoms[_net_wm_state_skip_taskbar], 0);
2670
2671                   // Some WMs won't show a close button if dialog is set
2672                   // Additionally, this casues jumping of all dialog windows on Cinnamon
2673                   //hints[0] = atoms[_net_wm_window_type_dialog];
2674                   count = 1;
2675                }
2676                else
2677                {
2678                   hints[0] = atoms[_net_wm_window_type_normal];
2679                   count = 1;
2680                };
2681                XChangeProperty(xGlobalDisplay, windowHandle, atoms[_net_wm_window_type], XA_ATOM, 32,
2682                   PropModeReplace, (unsigned char*)&hints, count);
2683
2684                {
2685                   XWMHints xwmHints;
2686                   xwmHints.flags = InputHint;
2687                   xwmHints.input = 0;
2688                   XSetWMHints(xGlobalDisplay, windowHandle, &xwmHints);
2689                }
2690                {
2691                   Atom protocols[2] = { atoms[wm_delete_window], atoms[wm_take_focus] };
2692                   XSetWMProtocols(xGlobalDisplay, windowHandle, protocols, 2);
2693                }
2694
2695                // Set Normal hints for minimum/maximum size
2696                {
2697                   XSizeHints hints = { 0 };
2698                   hints.min_width = minW;
2699                   hints.min_height = minH;
2700                   hints.flags |= PMinSize;
2701
2702                   if(window.maxSize.w < MAXINT || window.minSize.h < MAXINT)
2703                   {
2704                      hints.max_width = window.maxSize.w;
2705                      hints.max_height = window.maxSize.h;
2706                      hints.flags |= PMaxSize;
2707                   }
2708                   hints.x = x;
2709                   hints.y = y;
2710                   hints.flags |= PPosition;
2711
2712                   hints.width = w;
2713                   hints.height = h;
2714                   hints.flags |= PSize;
2715
2716                   XSetWMNormalHints(xGlobalDisplay, windowHandle, &hints);
2717                }
2718             }
2719          }
2720       }
2721
2722       if(!ic && im)
2723       {
2724          char fontString[1024] = "--helvetica-*-r-*-*-*-120-*-*-*-*-*-*,-misc-fixed-*-r-*-*-*-130-*-*-*-*-*-*";
2725          XPoint cursor_location = { 0, 0 };
2726          char **missing_charsets;
2727          int num_missing_charsets = 0;
2728          char *default_string;
2729          XFontSet fontset;
2730          XRectangle area = { 0, 0,  400, 400 };
2731          XVaNestedList argList;
2732
2733          // sprintf(fontString, "-*-%s-*-r-*-*-*-%d-*-*-*-*-*-*", "Helvetica" /*window.font.faceName*/, (int)(window.font.size * 20));
2734          fontset = XCreateFontSet(xGlobalDisplay, fontString, &missing_charsets, &num_missing_charsets, &default_string);
2735          argList = XVaCreateNestedList(0,
2736                                        XNSpotLocation, &cursor_location,
2737                                        //XNArea, &area,
2738                                        XNFontSet, fontset,/*
2739                                        XNForeground,
2740                                        WhitePixel(xGlobalDisplay, DefaultScreen(xGlobalDisplay)),
2741                                        XNBackground,
2742                                        BlackPixel(xGlobalDisplay, DefaultScreen(xGlobalDisplay)),*/
2743                                        NULL);
2744          ic = XCreateIC(im, XNInputStyle,
2745             XIMStatusNothing | XIMPreeditPosition,
2746             XNPreeditAttributes, argList,
2747             XNClientWindow, windowHandle, XNFocusWindow, windowHandle, NULL);
2748          XFree(argList);
2749          // Should we free the fontset or not?
2750          // XFreeFontSet(xGlobalDisplay, fontset);
2751          if(ic)
2752             setICPosition = true;
2753          else
2754             ic = XCreateIC(im, XNInputStyle, XIMStatusNothing | XIMPreeditNothing, XNClientWindow, windowHandle, XNFocusWindow, windowHandle, null);
2755       }
2756       if(ic)
2757       {
2758          XGetICValues(ic, XNFilterEvents, &mask, NULL);
2759          mask |= EVENT_MASK;
2760       }
2761       /*
2762       XSelectInput(xGlobalDisplay, windowHandle, mask);
2763
2764       if(capturedWindow == None && !restrictedWindow)
2765       {
2766          XGrabPointer(xGlobalDisplay, (X11Window)windowHandle, False, ButtonPressMask | ButtonReleaseMask | PointerMotionMask, GrabModeAsync,
2767             GrabModeAsync, restrictedWindow ? confineWindow : None, fullScreenMode ? nullCursor : None, CurrentTime);
2768          XUngrabPointer(xGlobalDisplay, CurrentTime);
2769       }
2770       */
2771
2772       {
2773          if ( atoms[_motif_wm_hints] != None )
2774          {
2775             MWM_Hints hints
2776             {
2777                (window.nativeDecorations ? 0 : MWM_HINTS_DECORATIONS)|MWM_HINTS_FUNCTIONS,
2778                (window.hasClose ? MWM_FUNC_CLOSE : 0) |
2779                (fullScreenMode || window.hasMaximize ? MWM_FUNC_MAXIMIZE : 0) |
2780                (fullScreenMode || window.hasMinimize ? MWM_FUNC_MINIMIZE : 0) |
2781                ((fullScreenMode || window.moveable || ((BorderBits)window.borderStyle).fixed) ? MWM_FUNC_MOVE : 0) |
2782                (fullScreenMode || ((BorderBits)window.borderStyle).sizable ? MWM_FUNC_RESIZE : 0),
2783                 0, 0, 0
2784             };
2785             XChangeProperty(xGlobalDisplay, windowHandle, atoms[_motif_wm_hints], atoms[_motif_wm_hints], 32,
2786                PropModeReplace, (unsigned char*)&hints, 5);
2787          }
2788
2789          // *** We set this for ourselves, so don't check atomsSupported !!! ***
2790          if(atoms[_net_wm_pid])
2791          {
2792             int pid = getpid();
2793             // printf("Setting _NET_WM_PID to %d\n", pid);
2794             XChangeProperty(xGlobalDisplay, windowHandle, atoms[_net_wm_pid], XA_CARDINAL, 32,
2795                PropModeReplace, (unsigned char*)&pid, 1);
2796          }
2797       }
2798
2799       {
2800          XWMHints wmHints = { 0 };
2801          wmHints.input = True;
2802          XSetWMHints(xGlobalDisplay, windowHandle, &wmHints);
2803       }
2804
2805       // XFlush(xGlobalDisplay);
2806       window.windowData = XWindowData { visualInfo, ic };
2807
2808       XSaveContext(xGlobalDisplay, windowHandle, windowContext, (XPointer)window);
2809
2810       XSelectInput(xGlobalDisplay, windowHandle, mask);
2811
2812       if(capturedWindow == None && !restrictedWindow)
2813       {
2814          XGrabPointer(xGlobalDisplay, (X11Window)windowHandle, False, ButtonPressMask | ButtonReleaseMask | PointerMotionMask, GrabModeAsync,
2815             GrabModeAsync, restrictedWindow ? confineWindow : None, fullScreenMode ? nullCursor : None, CurrentTime);
2816          XUngrabPointer(xGlobalDisplay, CurrentTime);
2817       }
2818
2819       if(fullScreenMode || !window.nativeDecorations || !RequestFrameExtents(windowHandle))
2820          ((XWindowData)window.windowData).gotFrameExtents = true;
2821
2822       window.windowHandle = (void *)windowHandle;
2823       if(window.state != maximized)
2824          WaitForFrameExtents(window, true);
2825
2826       //GetFrameExtents(window, true);
2827
2828       if(fullScreenMode)
2829       {
2830          XMapWindow(xGlobalDisplay, windowHandle);
2831          XGrabKeyboard(xGlobalDisplay, windowHandle, False,  GrabModeAsync, GrabModeAsync, CurrentTime);
2832       }
2833       return (void *)windowHandle;
2834    }
2835
2836    void DestroyRootWindow(Window window)
2837    {
2838       XEvent event;
2839       if(window == acquiredInputWindow)
2840          delete acquiredInputWindow;
2841
2842       XDeleteContext(xGlobalDisplay, (XID)window, windowContext);
2843       XSaveContext(xGlobalDisplay, (X11Window)window.windowHandle, windowContext, null);
2844       XDestroyWindow(xGlobalDisplay, (X11Window)window.windowHandle);
2845       XSync(xGlobalDisplay, 0);
2846       while(XCheckWindowEvent(xGlobalDisplay, (X11Window)window.windowHandle, 0xFFFFFFFF, &event));
2847       window.windowHandle = null;
2848       if(window.windowData)
2849       {
2850          XWindowData windowData = window.windowData;
2851          XFree(windowData.visual);
2852          if(windowData && windowData.ic)
2853             XDestroyIC(windowData.ic);
2854          delete windowData;
2855          // printf("Setting windowData for %s to null\n", window._class.name);
2856          window.windowData = null;
2857       }
2858       if(lastActive == window)
2859          delete lastActive;
2860    }
2861
2862    // -- Window manipulation ---
2863
2864    void SetRootWindowCaption(Window window, char * name)
2865    {
2866       if(window.windowHandle)
2867       {
2868          XChangeProperty(xGlobalDisplay, (X11Window)window.windowHandle, atoms[_net_wm_name],
2869             atoms[utf8_string], 8, PropModeReplace, (byte *)name, name ? strlen(name) : 0);
2870          XChangeProperty(xGlobalDisplay, (X11Window)window.windowHandle, atoms[wm_name],
2871             atoms[utf8_string], 8, PropModeReplace, (byte *)name, name ? strlen(name) : 0);
2872       }
2873    }
2874
2875    void PositionRootWindow(Window window, int x, int y, int w, int h, bool move, bool resize)
2876    {
2877       //Logf("Position root window %s\n", window.name);
2878       if(window.windowHandle && (!window.parent || !window.parent.display))
2879       {
2880          bool visible = window.visible;
2881          if(window.visible && window.created)
2882             XMapWindow(xGlobalDisplay, (X11Window)window.windowHandle);
2883          if(window.state == minimized && atomsSupported[_net_wm_state]) return;
2884
2885          if(window.nativeDecorations)
2886          {
2887             XWindowData windowData = window.windowData;
2888
2889             // Was commenting this out was part of #700/#795 fix, but this causes jumping of e.g. About box after getting frame extents PropertyNotify
2890
2891                // && window.state != maximized -- required for Cinnamon on Mint 14/15
2892             if(!windowData.gotFrameExtents && window.state != maximized)
2893             {
2894                if(WaitForFrameExtents(window, false))
2895                {
2896                   x += windowData.decor.left;
2897                   y += windowData.decor.top ;
2898
2899                   w += windowData.decor.left + windowData.decor.right;
2900                   h += windowData.decor.top  + windowData.decor.bottom;
2901                }
2902             }
2903
2904             x -= windowData.decor.left;
2905             y -= windowData.decor.top;
2906
2907             w -= windowData.decor.left + windowData.decor.right;
2908             h -= windowData.decor.top + windowData.decor.bottom;
2909
2910             // Tweak for first unmaximize on Unity on Ubuntu 11.10
2911             /*if(window.state == maximized && (desktopX + w > desktopW || desktopY + h > desktopH))
2912             {
2913                w -= 40;
2914                h -= 40;
2915             }*/
2916          }
2917
2918          x += desktopX;
2919          y += desktopY;
2920
2921          if(!fullScreenMode && (!atomsSupported[_net_wm_state] || window.state != maximized))
2922          {
2923             if(move && resize)
2924                XMoveResizeWindow(xGlobalDisplay, (X11Window)window.windowHandle, x, y, w, h);
2925             else if(move)
2926                XMoveWindow(xGlobalDisplay, (X11Window)window.windowHandle, x, y);
2927             else if(resize)
2928                XResizeWindow(xGlobalDisplay, (X11Window)window.windowHandle, w, h);
2929
2930             // Reset min/max for fixed size windows on WMs not looking at MWM_FUNC_RESIZE (e.g. Cinnamon)
2931             if(window.style.fixed && !window.style.sizable)
2932             {
2933                XSizeHints hints = { 0 };
2934                long supplied;
2935                XGetWMNormalHints(xGlobalDisplay, (X11Window)window.windowHandle, &hints, &supplied);
2936                hints.min_width = hints.max_width = w;
2937                hints.min_height = hints.max_height = h;
2938                hints.flags |= PMinSize|PMaxSize;
2939                XSetWMNormalHints(xGlobalDisplay, (X11Window)window.windowHandle, &hints);
2940             }
2941          }
2942       }
2943    }
2944
2945    void OrderRootWindow(Window window, bool topMost)
2946    {
2947
2948    }
2949
2950    void SetRootWindowColor(Window window)
2951    {
2952
2953    }
2954
2955    void OffsetWindow(Window window, int * x, int * y)
2956    {
2957
2958    }
2959
2960    void UpdateRootWindow(Window window)
2961    {
2962       if(!window.parent || !window.parent.display)
2963       {
2964          if(window.visible)
2965          {
2966             Box box = window.box;
2967             box.left -= window.clientStart.x;
2968             box.top -= window.clientStart.y;
2969             box.right -= window.clientStart.x;
2970             box.bottom -= window.clientStart.y;
2971             // Logf("Update root window %s\n", window.name);
2972             window.Update(null);
2973             box.left   += window.clientStart.x;
2974             box.top    += window.clientStart.y;
2975             box.right  += window.clientStart.x;
2976             box.bottom += window.clientStart.y;
2977             window.UpdateDirty(box);
2978          }
2979       }
2980    }
2981
2982    void SetRootWindowState(Window window, WindowState state, bool visible)
2983    {
2984       // Old WM (e.g. TWM), use built-in decorations
2985       if(!atomsSupported[_net_wm_state])
2986          window.nativeDecorations = false;
2987       if(!window.parent || !window.parent.display)
2988       {
2989          XWindowData windowData = window.windowData;
2990          //Logf("Set root window state %d %s\n", state, window.name);
2991          if(visible)
2992          {
2993             if(!windowData.currentlyVisible)
2994             {
2995                XMapWindow(xGlobalDisplay, (X11Window)window.windowHandle);
2996                windowData.currentlyVisible = true;
2997                WaitForViewableWindow(window);
2998                if(window.creationActivation == activate && state != minimized)
2999                   ActivateRootWindow(window);
3000             }
3001
3002             if(fullScreenMode && state != minimized)
3003             {
3004                int w = XDisplayWidth(xGlobalDisplay, DefaultScreen(xGlobalDisplay));
3005                int h = XDisplayHeight(xGlobalDisplay, DefaultScreen(xGlobalDisplay));
3006                SetNETWMState((X11Window)window.windowHandle, true, add, atoms[_net_wm_state_fullscreen], 0);
3007                XMoveResizeWindow(xGlobalDisplay, (X11Window)window.windowHandle, 0, 0, w, h);
3008
3009                guiApp.SetDesktopPosition(0, 0, w, h, true);
3010                window.Position(0, 0, w, h, true, true, true, true, false, false);
3011             }
3012
3013             if(state == minimized && atomsSupported[_net_wm_state])
3014             {
3015                uint iconic = IconicState;
3016
3017                // SetNETWMState(window.windowHandle, true, add, atoms[_net_wm_state_hidden], null);
3018                /*
3019                XChangeProperty(xGlobalDisplay, window.windowHandle, atoms[wm_state], XA_CARDINAL, 32,
3020                   PropModeReplace, &iconic, 1);
3021                */
3022
3023                /*
3024                XClientMessageEvent event = { 0 };
3025                event.type = ClientMessage;
3026                event.message_type = atoms[wm_state];
3027                event.display = xGlobalDisplay;
3028                event.window = window.windowHandle;
3029                event.send_event = 1;
3030                event.format = 32;
3031                event.data.l[0] = IconicState;
3032                XSendEvent(xGlobalDisplay, DefaultRootWindow(xGlobalDisplay), bool::false, SubstructureRedirectMask | SubstructureNotifyMask, &event);
3033                */
3034
3035                // printf("Attempting to minimize %s\n", window._class.name);
3036                if(!fullScreenMode)
3037                   XIconifyWindow(xGlobalDisplay, (X11Window)window.windowHandle, DefaultScreen(xGlobalDisplay));
3038             }
3039             else if(!fullScreenMode)
3040             {
3041                //((XWindowData)window.windowData).gotFrameExtents && (!window.nativeDecorations || window.state == state))
3042                if(!atomsSupported[_net_wm_state] || (!((XWindowData)window.windowData).gotFrameExtents && window.state == maximized))
3043                {
3044                   // Running this block avoids the initial IDE maximized->unmaximized flicker
3045                   //if(window.state != maximized || !atomsSupported[_net_wm_state] || window.nativeDecorations)
3046                   {
3047                      int x = window.position.x;
3048                      int y = window.position.y;
3049                      int w = window.size.w;
3050                      int h = window.size.h;
3051
3052                      if(window.nativeDecorations)
3053                      {
3054                         XWindowData windowData = window.windowData;
3055                         x -= windowData.decor.left;
3056                         y -= windowData.decor.top;
3057
3058                         w -= windowData.decor.left + windowData.decor.right;
3059                         h -= windowData.decor.top + windowData.decor.bottom;
3060                      }
3061                      x += desktopX;
3062                      y += desktopY;
3063
3064                      XMoveResizeWindow(xGlobalDisplay,
3065                         (X11Window)window.windowHandle,
3066                         x, y, w, h);
3067                   }
3068                   UpdateRootWindow(window);
3069                }
3070                if(atomsSupported[_net_wm_state])
3071                {
3072                   // Maximize / Restore the window
3073                   SetNETWMState((X11Window)window.windowHandle, true, state == maximized ? add : remove,
3074                      atoms[_net_wm_state_maximized_vert], atoms[_net_wm_state_maximized_horz]);
3075                   if(state == maximized)
3076                   {
3077                      // Prevent the code in ConfigureNotify to think the window has been unmaximized
3078                      // if the Window Manager hasn't set the hints yet.
3079                      XFlush(xGlobalDisplay);
3080                      Sleep(0.01);
3081                   }
3082                }
3083             }
3084          }
3085          else
3086          {
3087             XUnmapWindow(xGlobalDisplay, (X11Window)window.windowHandle);
3088             windowData.currentlyVisible = false;
3089          }
3090          //XFlush(xGlobalDisplay);
3091       }
3092    }
3093
3094    void FlashRootWindow(Window window)
3095    {
3096       // printf("Attempting to flash root window\n");
3097       SetNETWMState((X11Window)window.windowHandle, true, add, atoms[_net_wm_state_demands_attention], 0);
3098    }
3099
3100    void ActivateRootWindow(Window window)
3101    {
3102       if(!window.parent || !window.parent.display)
3103       {
3104          if(!window.style.hidden && window.created)
3105          {
3106             XWindowData windowData = window.windowData;
3107             //printf("Activate root window %s\n", window._class.name);
3108             if(!windowData.currentlyVisible)
3109             {
3110                XMapWindow(xGlobalDisplay, (X11Window)window.windowHandle);
3111                WaitForViewableWindow(window);
3112                windowData.currentlyVisible = true;
3113             }
3114             XRaiseWindow(xGlobalDisplay, (X11Window)window.windowHandle);
3115             if(atomsSupported[_net_active_window])
3116             {
3117                XClientMessageEvent event = { 0 };
3118                event.type = ClientMessage;
3119                event.message_type = atoms[_net_active_window];
3120                event.display = xGlobalDisplay;
3121                event.serial = 0;
3122                event.window = (X11Window)window.windowHandle;
3123                event.send_event = 1;
3124                event.format = 32;
3125                event.data.l[0] = /*0*/ 1;
3126                // WMs will complain about using CurrentTime here, but when ActivateRootWindow() is called we really need to take over,
3127                // otherwise a debugged application stays on top of the IDE when we hit a breakpoint (there was no user interaction with the IDE,
3128                // but it really should be activated)
3129                event.data.l[1] = CurrentTime; //timeStamp;
3130                event.data.l[2] = activeWindow; //guiApp.desktop.activeChild.windowHandle;
3131
3132 #ifdef _DEBUG
3133                //printf("(ActivateRootWindow) Setting _NET_ACTIVE_WINDOW for %s (%x)\n", window._class.name, window);
3134 #endif
3135
3136                XSendEvent(xGlobalDisplay, DefaultRootWindow(xGlobalDisplay), bool::false, SubstructureRedirectMask | SubstructureNotifyMask, (union _XEvent *)&event);
3137 //#if defined(__APPLE__)
3138                XSetInputFocus(xGlobalDisplay, (X11Window)window.windowHandle, RevertToParent, CurrentTime);
3139 //#endif
3140             }
3141             else
3142                XSetInputFocus(xGlobalDisplay, (X11Window)window.windowHandle, RevertToParent, CurrentTime);
3143          }
3144       }
3145    }
3146
3147    // --- Mouse-based window movement ---
3148
3149    void StartMoving(Window window, int x, int y, bool fromKeyBoard)
3150    {
3151
3152    }
3153
3154    void StopMoving(Window window)
3155    {
3156
3157    }
3158
3159    // -- Mouse manipulation ---
3160
3161    void GetMousePosition(int *x, int *y)
3162    {
3163       X11Window rootWindow, childWindow;
3164       int mx, my;
3165       unsigned int state;
3166       ((GuiApplication)__thisModule.application).Lock();
3167       //XLockDisplay(xGlobalDisplay);
3168       XQueryPointer(xGlobalDisplay, DefaultRootWindow(xGlobalDisplay), &childWindow,
3169          &rootWindow, x, y, &mx, &my, &state);
3170       //XUnlockDisplay(xGlobalDisplay);
3171       ((GuiApplication)__thisModule.application).Unlock();
3172    }
3173
3174    void SetMousePosition(int x, int y)
3175    {
3176       XWarpPointer(xGlobalDisplay, None, DefaultRootWindow(xGlobalDisplay), 0, 0, 0, 0, x, y);
3177       XFlush(xGlobalDisplay);
3178    }
3179
3180    void SetMouseRange(Window window, Box box)
3181    {
3182       ((GuiApplication)__thisModule.application).Lock();
3183       //XLockDisplay(xGlobalDisplay);
3184       if(box && box.left > 0 && box.top > 0 &&
3185          box.right < guiApp.desktop.clientSize.w - 1 && box.bottom < guiApp.desktop.clientSize.h - 1)
3186       {
3187          if(!window.parent || !window.parent.display)
3188          {
3189             XMoveResizeWindow(xGlobalDisplay, confineWindow, box.left /*+ desktopX*/, box.top /*+ desktopY*/,
3190                box.right - box.left + 1, box.bottom - box.top + 1);
3191
3192             if(!restrictedWindow)
3193                XMapWindow(xGlobalDisplay, confineWindow);
3194
3195             XGrabPointer(xGlobalDisplay, (X11Window) window.rootWindow.windowHandle, False,
3196                ButtonPressMask | ButtonReleaseMask | PointerMotionMask, GrabModeAsync,
3197                GrabModeAsync, confineWindow, fullScreenMode ? nullCursor : None, CurrentTime);
3198
3199             restrictedWindow = window;
3200          }
3201       }
3202       else if(restrictedWindow)
3203       {
3204          if(capturedWindow != None)
3205          {
3206             XGrabPointer(xGlobalDisplay, (X11Window)capturedWindow,
3207                False, ButtonPressMask | ButtonReleaseMask | PointerMotionMask, GrabModeAsync,
3208                GrabModeAsync, None, fullScreenMode ? nullCursor : None, CurrentTime);
3209          }
3210          else
3211             XUngrabPointer(xGlobalDisplay, CurrentTime);
3212
3213          if(restrictedWindow)
3214             XUnmapWindow(xGlobalDisplay, confineWindow);
3215
3216          restrictedWindow = null;
3217       }
3218       //XUnlockDisplay(xGlobalDisplay);
3219       ((GuiApplication)__thisModule.application).Unlock();
3220    }
3221
3222    void SetMouseCapture(Window window)
3223    {
3224       //*XLockDisplay(xGlobalDisplay);
3225       if(window)
3226       {
3227          if(!window.parent || !window.parent.display)
3228          {
3229             XGrabPointer(xGlobalDisplay, (X11Window)window.windowHandle,
3230                False, ButtonPressMask | ButtonReleaseMask | PointerMotionMask, GrabModeAsync,
3231                GrabModeAsync, restrictedWindow ? confineWindow : None, fullScreenMode ? nullCursor : None, CurrentTime);
3232
3233             capturedWindow = (X11Window) window.windowHandle;
3234          }
3235       }
3236       else if(capturedWindow != None)
3237       {
3238          if(restrictedWindow)
3239             XGrabPointer(xGlobalDisplay, (X11Window) restrictedWindow.rootWindow.windowHandle, False,
3240                ButtonPressMask | ButtonReleaseMask | PointerMotionMask, GrabModeAsync,
3241                GrabModeAsync, confineWindow, fullScreenMode ? nullCursor : None, CurrentTime);
3242          else
3243             XUngrabPointer(xGlobalDisplay, CurrentTime);
3244          capturedWindow = None;
3245       }
3246       //*XUnlockDisplay(xGlobalDisplay);
3247    }
3248
3249    // -- Mouse cursor ---
3250
3251    void SetMouseCursor(Window window, int cursor)
3252    {
3253       if(window.rootWindow.windowHandle)
3254          XDefineCursor(xGlobalDisplay, (X11Window) window.rootWindow.windowHandle,
3255             (acquiredInputWindow || cursor == -1) ? nullCursor : systemCursors[(SystemCursor)cursor]);
3256    }
3257
3258    // --- Caret ---
3259
3260    void SetCaret(int x, int y, int size)
3261    {
3262       Window caretOwner = guiApp.caretOwner;
3263       Window window = caretOwner ? caretOwner.rootWindow : null;
3264       if(window && window.windowData && setICPosition)
3265       {
3266          XWindowData windowData = window.windowData;
3267          if(windowData && windowData.ic)
3268          {
3269             XPoint cursor_location =
3270             {
3271                (short)(caretOwner.caretPos.x - caretOwner.scroll.x + caretOwner.absPosition.x - window.absPosition.x),
3272                (short)(caretOwner.caretPos.y - caretOwner.scroll.y + caretOwner.absPosition.y - window.absPosition.y)
3273             };
3274             XVaNestedList argList = XVaCreateNestedList(0, XNSpotLocation, &cursor_location, NULL);
3275             XSetICValues(windowData.ic, XNPreeditAttributes, argList, 0);
3276          }
3277       }
3278    }
3279
3280    void ClearClipboard()
3281    {
3282       //*XLockDisplay(xGlobalDisplay);
3283       if(clipBoardData)
3284       {
3285          delete clipBoardData;
3286          XSetSelectionOwner(xGlobalDisplay, atoms[clipboard], None, CurrentTime);
3287       }
3288       //*XUnlockDisplay(xGlobalDisplay);
3289    }
3290
3291    bool AllocateClipboard(ClipBoard clipBoard, uint size)
3292    {
3293       bool result = false;
3294       if((clipBoard.text = new0 byte[size]))
3295          result = true;
3296       return result;
3297    }
3298
3299    bool SaveClipboard(ClipBoard clipBoard)
3300    {
3301       bool result = false;
3302       //*XLockDisplay(xGlobalDisplay);
3303       if(clipBoard.text)
3304       {
3305          Window rootWindow = guiApp.desktop;
3306          if(!fullScreenMode)
3307          {
3308             for(rootWindow = rootWindow.children.first;
3309                rootWindow && !rootWindow.windowHandle;
3310                rootWindow = rootWindow.next);
3311          }
3312          if(clipBoardData)
3313             delete clipBoardData;
3314          else if(rootWindow)
3315             XSetSelectionOwner(xGlobalDisplay, atoms[clipboard],
3316                (X11Window) rootWindow.windowHandle, CurrentTime);
3317          clipBoardData = clipBoard.text;
3318          clipBoard.text = null;
3319          result = true;
3320       }
3321       //*XUnlockDisplay(xGlobalDisplay);
3322       return result;
3323    }
3324
3325    bool LoadClipboard(ClipBoard clipBoard)
3326    {
3327       bool result = false;
3328
3329       //*XLockDisplay(xGlobalDisplay);
3330       // The data is inside this client...
3331       if(clipBoardData)
3332       {
3333          clipBoard.text = new char[strlen(clipBoardData)+1];
3334          strcpy(clipBoard.text, clipBoardData);
3335          result = true;
3336       }
3337       // The data is with another client...
3338       else
3339       {
3340          Window rootWindow = guiApp.desktop;
3341          if(!fullScreenMode)
3342          {
3343             for(rootWindow = rootWindow.children.first;
3344                rootWindow && !rootWindow.windowHandle;
3345                rootWindow = rootWindow.next);
3346          }
3347          if(rootWindow)
3348          {
3349             Atom selAtom = atoms[clipboard];
3350             X11Window owner = XGetSelectionOwner(xGlobalDisplay, selAtom);
3351             if(owner != None)
3352             {
3353                Atom atom;
3354                for(atom = atoms[utf8_string]; atom; atom = ((atom == atoms[utf8_string]) ? XA_STRING : 0))
3355                {
3356                   XEvent e;
3357                   XConvertSelection(xGlobalDisplay, selAtom, atom, atoms[app_selection] /*None*/, (X11Window) rootWindow.windowHandle, CurrentTime);
3358                   XIfEvent(xGlobalDisplay, (XEvent *) &e, EventChecker, (void *)SelectionNotify);
3359                   if(e.type == SelectionNotify)
3360                   {
3361                      XSelectionEvent * selection = (XSelectionEvent *) &e;
3362                      //printf("Got a SelectionNotify with %d (%s)\n", selection->_property, XGetAtomName(xGlobalDisplay, selection->_property));
3363                      byte *data = null;
3364                      unsigned long len, size = 0, dummy;
3365                      Atom type;
3366                      int format;
3367                      XGetWindowProperty(xGlobalDisplay, (X11Window) rootWindow.windowHandle, selection->_property ? selection->_property : atom, 0, 0, False, AnyPropertyType, &type, &format, &len, &size, &data);
3368                      if(data)
3369                      {
3370                         XFree(data);
3371                         data = null;
3372                      }
3373                      if(size > 0)
3374                      {
3375                         if(XGetWindowProperty(xGlobalDisplay, (X11Window) rootWindow.windowHandle, selection->_property ? selection->_property : atom, 0, size, False,
3376                               AnyPropertyType, &type,&format,&len, &dummy, &data) == Success)
3377                         {
3378                            clipBoard.text = new char[size+1];
3379                            strncpy(clipBoard.text, data, size);
3380                            clipBoard.text[size] = '\0';
3381                            XFree(data);
3382                            result = true;
3383                            break;
3384                         }
3385                      }
3386                   }
3387                }
3388             }
3389          }
3390       }
3391       //*XUnlockDisplay(xGlobalDisplay);
3392       return result;
3393    }
3394
3395    void UnloadClipboard(ClipBoard clipBoard)
3396    {
3397       delete clipBoard.text;
3398    }
3399
3400    // --- State based input ---
3401
3402    bool AcquireInput(Window window, bool state)
3403    {
3404       if(state && window)
3405       {
3406          GetMousePosition(&acquireStart.x, &acquireStart.y);
3407          lastMouse = acquireStart;
3408          acquiredInputWindow = window;
3409          incref acquiredInputWindow;
3410       }
3411       else if(acquiredInputWindow)
3412          delete acquiredInputWindow;
3413       return true;
3414    }
3415
3416    bool GetMouseState(MouseButtons * buttons, int * x, int * y)
3417    {
3418       bool result = false;
3419       if(acquiredInputWindow && guiApp.desktop.active)
3420       {
3421          if(x) *x = lastMouse.x - acquireStart.x;
3422          if(y) *y = lastMouse.y - acquireStart.y;
3423          *buttons = buttonsState;
3424          SetMousePosition(acquireStart.x, acquireStart.y);
3425          lastMouse = acquireStart;
3426          result = true;
3427       }
3428       else
3429       {
3430          if(x) *x = 0;
3431          if(y) *y = 0;
3432          if(buttons) *buttons = 0;
3433       }
3434       return result;
3435    }
3436
3437    bool GetJoystickState(int device, Joystick joystick)
3438    {
3439       bool result = false;
3440    #if defined(__linux__)
3441       if(joystick && device < 4)
3442       {
3443          struct JS_DATA_TYPE js = { 0 };
3444          memset(joystick, 0, sizeof(Joystick));
3445          if(joystickFD[device] && read(joystickFD[device], &js, JS_RETURN) == JS_RETURN)
3446          {
3447             joystick.buttons = js.buttons;
3448             joystick.x = js.x - 128;
3449             joystick.y = js.y - 128;
3450             result = true;
3451          }
3452       }
3453    #endif
3454       return result;
3455    }
3456
3457    bool GetKeyState(Key key)
3458    {
3459       if(key == capsState || key == numState || key == scrollState)
3460       {
3461          Atom atom = None;
3462          X11Bool state = 0;
3463          int idx = 0;
3464          switch(key)
3465          {
3466             case capsState:    atom = atoms[capsLock];   idx = 0; break;
3467             case numState:     atom = atoms[numLock];    idx = 1; break;
3468             case scrollState:  atom = atoms[scrollLock]; idx = 2; break;
3469          }
3470          /*XkbGetIndicatorState(xGlobalDisplay, XkbUseCoreKbd, &state);
3471          state = (state & (1 << idx)) ? 1 : 0;*/
3472          XkbGetNamedIndicator(xGlobalDisplay, /*XkbUseCoreKbd,*/ atom, &idx, &state, NULL, NULL);
3473          return (bool)state;
3474       }
3475       else
3476          return keyStates[key.code];
3477    }
3478
3479    void SetTimerResolution(uint hertz)
3480    {
3481       timerDelay = hertz ? (1000000 / hertz) : MAXINT;
3482       /*
3483       hiResTimer.Stop();
3484       if(hertz)
3485       {
3486          hiResTimer.delay = 1000000 / hertz;
3487          hiResTimer.Create();
3488       }
3489       */
3490    }
3491
3492    bool SetIcon(Window window, BitmapResource resource)
3493    {
3494       if(resource)
3495       {
3496          Bitmap bitmap { };
3497          if(bitmap.Load(resource.fileName, null, null))
3498          {
3499             unsigned long * icon = new unsigned long[2 + bitmap.width * bitmap.height];
3500             bitmap.Convert(null, pixelFormat888, null);
3501             icon[0] = bitmap.width;
3502             icon[1] = bitmap.height;
3503             if(sizeof(long) != sizeof(uint32))
3504             {
3505                int c;
3506                for(c = 0; c < bitmap.width * bitmap.height; c++)
3507                   icon[c+2] = ((uint32 *)bitmap.picture)[c];
3508             }
3509             else
3510                memcpy(icon + 2, bitmap.picture, bitmap.width * bitmap.height * sizeof(uint32));
3511             XChangeProperty(xGlobalDisplay, (X11Window)window.windowHandle, atoms[_net_wm_icon],
3512               XA_CARDINAL,32,PropModeReplace, (byte *)icon, 2+bitmap.width*bitmap.height);
3513             delete icon;
3514          }
3515          delete bitmap;
3516       }
3517       return true;
3518    }
3519 }
3520
3521 default dllexport void * __attribute__((stdcall)) IS_XGetDisplay()
3522 {
3523    return xGlobalDisplay;
3524 }
3525
3526 default dllexport void * __attribute__((stdcall)) IS_XGetWindow(Window window)
3527 {
3528    return window.windowHandle ? window.windowHandle : window.rootWindow.windowHandle;
3529 }
3530
3531 #endif