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