src/x11/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        windows.cpp
   3 // Purpose:     wxWindow
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "window.h"
  22 #endif
  23
  24 #include "wx/setup.h"
  25 #include "wx/menu.h"
  26 #include "wx/dc.h"
  27 #include "wx/dcclient.h"
  28 #include "wx/utils.h"
  29 #include "wx/app.h"
  30 #include "wx/panel.h"
  31 #include "wx/layout.h"
  32 #include "wx/dialog.h"
  33 #include "wx/listbox.h"
  34 #include "wx/button.h"
  35 #include "wx/settings.h"
  36 #include "wx/msgdlg.h"
  37 #include "wx/frame.h"
  38 #include "wx/scrolwin.h"
  39 #include "wx/scrolbar.h"
  40 #include "wx/module.h"
  41 #include "wx/menuitem.h"
  42 #include "wx/log.h"
  43 #include "wx/univ/renderer.h"
  44
  45 #if  wxUSE_DRAG_AND_DROP
  46     #include "wx/dnd.h"
  47 #endif
  48
  49 #include "wx/x11/private.h"
  50 #include "X11/Xutil.h"
  51
  52 #if wxUSE_NANOX
  53 // For wxGetLocalTime, used by XButtonEventGetTime
  54 #include "wx/timer.h"
  55 #endif
  56
  57 #include <string.h>
  58
  59 // ----------------------------------------------------------------------------
  60 // global variables for this module
  61 // ----------------------------------------------------------------------------
  62
  63 extern wxHashTable *wxWidgetHashTable;
  64 extern wxHashTable *wxClientWidgetHashTable;
  65 static wxWindow* g_captureWindow = NULL;
  66 static GC g_eraseGC;
  67
  68 // ----------------------------------------------------------------------------
  69 // macros
  70 // ----------------------------------------------------------------------------
  71
  72 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  73 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  74 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  75
  76 // ----------------------------------------------------------------------------
  77 // event tables
  78 // ----------------------------------------------------------------------------
  79
  80 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  81
  82 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  83     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  84 END_EVENT_TABLE()
  85
  86 // ============================================================================
  87 // implementation
  88 // ============================================================================
  89
  90 // ----------------------------------------------------------------------------
  91 // helper functions
  92 // ----------------------------------------------------------------------------
  93
  94 // ----------------------------------------------------------------------------
  95 // constructors
  96 // ----------------------------------------------------------------------------
  97
  98 void wxWindowX11::Init()
  99 {
 100     // generic initializations first
 101     InitBase();
 102
 103     // X11-specific
 104     m_mainWindow = (WXWindow) 0;
 105     m_clientWindow = (WXWindow) 0;
 106     m_insertIntoMain = FALSE;
 107     m_updateNcArea = FALSE;
 108
 109     m_winCaptured = FALSE;
 110     m_needsInputFocus = FALSE;
 111     m_isShown = TRUE;
 112     m_isBeingDeleted = FALSE;
 113     m_lastTS = 0;
 114     m_lastButton = 0;
 115 }
 116
 117 // real construction (Init() must have been called before!)
 118 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 119                       const wxPoint& pos,
 120                       const wxSize& size,
 121                       long style,
 122                       const wxString& name)
 123 {
 124     wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
 125
 126     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 127
 128     parent->AddChild(this);
 129
 130     Display *xdisplay = (Display*) wxGlobalDisplay();
 131     int xscreen = DefaultScreen( xdisplay );
 132     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 133     Colormap cm = DefaultColormap( xdisplay, xscreen );
 134
 135     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 136     m_backgroundColour.CalcPixel( (WXColormap) cm );
 137
 138     m_foregroundColour = *wxBLACK;
 139     m_foregroundColour.CalcPixel( (WXColormap) cm );
 140
 141     Window xparent = (Window) parent->GetClientAreaWindow();
 142
 143     // Add window's own scrollbars to main window, not to client window
 144     if (parent->GetInsertIntoMain())
 145     {
 146         // wxLogDebug( "Inserted into main: %s", GetName().c_str() );
 147         xparent = (Window) parent->GetMainWindow();
 148     }
 149
 150     // Size (not including the border) must be nonzero (or a Value error results)!
 151     // Note: The Xlib manual doesn't mention this restriction of XCreateWindow.
 152     wxSize size2(size);
 153     if (size2.x <= 0)
 154             size2.x = 20;
 155     if (size2.y <= 0)
 156             size2.y = 20;
 157
 158     wxPoint pos2(pos);
 159     if (pos2.x == -1)
 160             pos2.x = 0;
 161     if (pos2.y == -1)
 162             pos2.y = 0;
 163
 164 #if wxUSE_TWO_WINDOWS
 165     bool need_two_windows =
 166         ((( wxSUNKEN_BORDER | wxRAISED_BORDER | wxSIMPLE_BORDER | wxHSCROLL | wxVSCROLL ) & m_windowStyle) != 0);
 167 #else
 168     bool need_two_windows = FALSE;
 169 #endif
 170
 171 #if wxUSE_NANOX
 172     long xattributes = 0;
 173 #else
 174     XSetWindowAttributes xattributes;
 175     long xattributes_mask = 0;
 176
 177     xattributes_mask |= CWBackPixel;
 178     xattributes.background_pixel = m_backgroundColour.GetPixel();
 179
 180     xattributes_mask |= CWBorderPixel;
 181     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 182
 183     xattributes_mask |= CWEventMask;
 184 #endif
 185
 186     if (need_two_windows)
 187     {
 188 #if wxUSE_NANOX
 189         long backColor, foreColor;
 190         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 191         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 192
 193         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 194                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 195         XSelectInput( xdisplay, xwindow,
 196           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 197           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 198           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 199                       PropertyChangeMask );
 200
 201 #else
 202         // Normal X11
 203         xattributes.event_mask =
 204             ExposureMask | StructureNotifyMask | ColormapChangeMask;
 205
 206         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 207             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 208
 209 #endif
 210
 211         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 212
 213         m_mainWindow = (WXWindow) xwindow;
 214         wxAddWindowToTable( xwindow, (wxWindow*) this );
 215
 216         XMapWindow( xdisplay, xwindow );
 217
 218 #if !wxUSE_NANOX
 219         xattributes.event_mask =
 220             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 221             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 222             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 223             PropertyChangeMask | VisibilityChangeMask ;
 224
 225         if (HasFlag( wxNO_FULL_REPAINT_ON_RESIZE ))
 226         {
 227             xattributes_mask |= CWBitGravity;
 228             xattributes.bit_gravity = StaticGravity;
 229         }
 230 #endif
 231
 232         if (HasFlag( wxSUNKEN_BORDER) || HasFlag( wxRAISED_BORDER))
 233         {
 234             pos2.x = 2;
 235             pos2.y = 2;
 236             size2.x -= 4;
 237             size2.y -= 4;
 238         }
 239         else if (HasFlag( wxSIMPLE_BORDER ))
 240         {
 241             pos2.x = 1;
 242             pos2.y = 1;
 243             size2.x -= 2;
 244             size2.y -= 2;
 245         }
 246         else
 247         {
 248             pos2.x = 0;
 249             pos2.y = 0;
 250         }
 251
 252         // Make again sure the size is nonzero.
 253         if (size2.x <= 0)
 254             size2.x = 1;
 255         if (size2.y <= 0)
 256             size2.y = 1;
 257
 258 #if wxUSE_NANOX
 259         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 260         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 261
 262         xwindow = XCreateWindowWithColor( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 263                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 264         XSelectInput( xdisplay, xwindow,
 265           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 266           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 267           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 268                       PropertyChangeMask );
 269
 270 #else
 271         xwindow = XCreateWindow( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 272             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 273 #endif
 274
 275         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 276
 277         m_clientWindow = (WXWindow) xwindow;
 278         wxAddClientWindowToTable( xwindow, (wxWindow*) this );
 279
 280         XMapWindow( xdisplay, xwindow );
 281     }
 282     else
 283     {
 284         // wxLogDebug( "No two windows needed %s", GetName().c_str() );
 285 #if wxUSE_NANOX
 286         long backColor, foreColor;
 287         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 288         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 289
 290         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 291                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 292         XSelectInput( xdisplay, xwindow,
 293           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 294           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 295           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 296                       PropertyChangeMask );
 297
 298 #else
 299         xattributes.event_mask =
 300             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 301             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 302             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 303             PropertyChangeMask | VisibilityChangeMask ;
 304
 305         if (HasFlag( wxNO_FULL_REPAINT_ON_RESIZE ))
 306         {
 307             xattributes_mask |= CWBitGravity;
 308             xattributes.bit_gravity = NorthWestGravity;
 309         }
 310
 311         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 312             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 313 #endif
 314
 315         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 316
 317         m_mainWindow = (WXWindow) xwindow;
 318         m_clientWindow = m_mainWindow;
 319         wxAddWindowToTable( xwindow, (wxWindow*) this );
 320
 321         XMapWindow( xdisplay, xwindow );
 322     }
 323
 324     // Is a subwindow, so map immediately
 325     m_isShown = TRUE;
 326
 327     // Without this, the cursor may not be restored properly (e.g. in splitter
 328     // sample).
 329     SetCursor(*wxSTANDARD_CURSOR);
 330     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 331
 332     // Don't call this, it can have nasty repercussions for composite controls,
 333     // for example
 334     //    SetSize(pos.x, pos.y, size.x, size.y);
 335
 336     return TRUE;
 337 }
 338
 339 // Destructor
 340 wxWindowX11::~wxWindowX11()
 341 {
 342     if (g_captureWindow == this)
 343         g_captureWindow = NULL;
 344
 345     m_isBeingDeleted = TRUE;
 346
 347     if (m_parent)
 348         m_parent->RemoveChild( this );
 349
 350     DestroyChildren();
 351
 352     if (m_clientWindow != m_mainWindow)
 353     {
 354         // Destroy the cleint window
 355         Window xwindow = (Window) m_clientWindow;
 356         wxDeleteClientWindowFromTable( xwindow );
 357         XDestroyWindow( wxGlobalDisplay(), xwindow );
 358         m_clientWindow = NULL;
 359     }
 360
 361     // Destroy the window
 362     Window xwindow = (Window) m_mainWindow;
 363     wxDeleteWindowFromTable( xwindow );
 364     XDestroyWindow( wxGlobalDisplay(), xwindow );
 365     m_mainWindow = NULL;
 366 }
 367
 368 // ---------------------------------------------------------------------------
 369 // basic operations
 370 // ---------------------------------------------------------------------------
 371
 372 void wxWindowX11::SetFocus()
 373 {
 374     Window xwindow = (Window) m_clientWindow;
 375
 376     wxCHECK_RET( xwindow, wxT("invalid window") );
 377
 378     wxCHECK_RET( AcceptsFocus(), wxT("set focus on window that doesn't accept the focus") );
 379
 380 #if 0
 381     if (GetName() == "scrollBar")
 382     {
 383         char *crash = NULL;
 384         *crash = 0;
 385     }
 386 #endif
 387
 388     if (wxWindowIsVisible(xwindow))
 389     {
 390         wxLogTrace( _T("focus"), _T("wxWindowX11::SetFocus: %s"), GetClassInfo()->GetClassName());
 391         //        XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 392         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToNone, CurrentTime );
 393         m_needsInputFocus = FALSE;
 394     }
 395     else
 396     {
 397         m_needsInputFocus = TRUE;
 398     }
 399 }
 400
 401 // Get the window with the focus
 402 wxWindow *wxWindowBase::FindFocus()
 403 {
 404     Window xfocus = (Window) 0;
 405     int revert = 0;
 406
 407     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 408     if (xfocus)
 409     {
 410         wxWindow *win = wxGetWindowFromTable( xfocus );
 411         if (!win)
 412         {
 413             win = wxGetClientWindowFromTable( xfocus );
 414         }
 415
 416         return win;
 417     }
 418
 419     return NULL;
 420 }
 421
 422 // Enabling/disabling handled by event loop, and not sending events
 423 // if disabled.
 424 bool wxWindowX11::Enable(bool enable)
 425 {
 426     if ( !wxWindowBase::Enable(enable) )
 427         return FALSE;
 428
 429     return TRUE;
 430 }
 431
 432 bool wxWindowX11::Show(bool show)
 433 {
 434     wxWindowBase::Show(show);
 435
 436     Window xwindow = (Window) m_mainWindow;
 437     Display *xdisp = wxGlobalDisplay();
 438     if (show)
 439     {
 440         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 441         XMapWindow(xdisp, xwindow);
 442     }
 443     else
 444     {
 445         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 446         XUnmapWindow(xdisp, xwindow);
 447     }
 448
 449     return TRUE;
 450 }
 451
 452 // Raise the window to the top of the Z order
 453 void wxWindowX11::Raise()
 454 {
 455     if (m_mainWindow)
 456         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 457 }
 458
 459 // Lower the window to the bottom of the Z order
 460 void wxWindowX11::Lower()
 461 {
 462     if (m_mainWindow)
 463         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 464 }
 465
 466 void wxWindowX11::DoCaptureMouse()
 467 {
 468     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 469     {
 470         wxASSERT_MSG(FALSE, "Trying to capture before mouse released.");
 471
 472         // Core dump now
 473         int *tmp = NULL;
 474         (*tmp) = 1;
 475         return;
 476     }
 477
 478     if (m_winCaptured)
 479         return;
 480
 481     Window xwindow = (Window) m_clientWindow;
 482
 483     wxCHECK_RET( xwindow, wxT("invalid window") );
 484
 485     g_captureWindow = (wxWindow*) this;
 486
 487     if (xwindow)
 488     {
 489         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 490             FALSE,
 491             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 492             GrabModeAsync,
 493                 GrabModeAsync,
 494             None,
 495             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 496             CurrentTime );
 497
 498         if (res != GrabSuccess)
 499         {
 500             wxString msg;
 501             msg.Printf("Failed to grab pointer for window %s", this->GetClassInfo()->GetClassName());
 502             wxLogDebug(msg);
 503             if (res == GrabNotViewable)
 504             {
 505                 wxLogDebug("This is not a viewable window - perhaps not shown yet?");
 506             }
 507             g_captureWindow = NULL;
 508             return;
 509         }
 510
 511         m_winCaptured = TRUE;
 512     }
 513 }
 514
 515 void wxWindowX11::DoReleaseMouse()
 516 {
 517     g_captureWindow = NULL;
 518
 519     if ( !m_winCaptured )
 520         return;
 521
 522     Window xwindow = (Window) m_clientWindow;
 523
 524     if (xwindow)
 525     {
 526         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 527     }
 528
 529     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 530
 531     m_winCaptured = FALSE;
 532 }
 533
 534 bool wxWindowX11::SetFont(const wxFont& font)
 535 {
 536     if ( !wxWindowBase::SetFont(font) )
 537     {
 538         // nothing to do
 539         return FALSE;
 540     }
 541
 542     return TRUE;
 543 }
 544
 545 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 546 {
 547     if ( !wxWindowBase::SetCursor(cursor) )
 548     {
 549         // no change
 550         return FALSE;
 551     }
 552
 553     Window xwindow = (Window) m_clientWindow;
 554
 555     wxCHECK_MSG( xwindow, FALSE, wxT("invalid window") );
 556
 557     wxCursor cursorToUse;
 558     if (m_cursor.Ok())
 559         cursorToUse = m_cursor;
 560     else
 561         cursorToUse = *wxSTANDARD_CURSOR;
 562
 563     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 564
 565     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 566
 567     return TRUE;
 568 }
 569
 570 // Coordinates relative to the window
 571 void wxWindowX11::WarpPointer (int x, int y)
 572 {
 573     Window xwindow = (Window) m_clientWindow;
 574
 575     wxCHECK_RET( xwindow, wxT("invalid window") );
 576
 577     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 578 }
 579
 580 // Does a physical scroll
 581 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 582 {
 583     // No scrolling requested.
 584     if ((dx == 0) && (dy == 0)) return;
 585
 586     if (!m_updateRegion.IsEmpty())
 587     {
 588         m_updateRegion.Offset( dx, dy );
 589
 590         int cw = 0;
 591         int ch = 0;
 592         GetSize( &cw, &ch );  // GetClientSize() ??
 593         m_updateRegion.Intersect( 0, 0, cw, ch );
 594     }
 595
 596     if (!m_clearRegion.IsEmpty())
 597     {
 598         m_clearRegion.Offset( dx, dy );
 599
 600         int cw = 0;
 601         int ch = 0;
 602         GetSize( &cw, &ch );  // GetClientSize() ??
 603         m_clearRegion.Intersect( 0, 0, cw, ch );
 604     }
 605
 606     Window xwindow = (Window) GetClientAreaWindow();
 607
 608     wxCHECK_RET( xwindow, wxT("invalid window") );
 609
 610     Display *xdisplay = wxGlobalDisplay();
 611
 612     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 613     XSetGraphicsExposures( xdisplay, xgc, True );
 614
 615     int s_x = 0;
 616     int s_y = 0;
 617     int cw;
 618     int ch;
 619     if (rect)
 620     {
 621         s_x = rect->x;
 622         s_y = rect->y;
 623
 624         cw = rect->width;
 625         ch = rect->height;
 626     }
 627     else
 628     {
 629         s_x = 0;
 630         s_y = 0;
 631         GetClientSize( &cw, &ch );
 632     }
 633
 634 #if wxUSE_TWO_WINDOWS
 635     wxPoint offset( 0,0 );
 636 #else
 637     wxPoint offset = GetClientAreaOrigin();
 638     s_x += offset.x;
 639     s_y += offset.y;
 640 #endif
 641
 642     int w = cw - abs(dx);
 643     int h = ch - abs(dy);
 644
 645     if ((h < 0) || (w < 0))
 646     {
 647         Refresh();
 648     }
 649     else
 650     {
 651         wxRect rect;
 652         if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
 653         if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
 654         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 655         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 656
 657         int d_x = s_x;
 658         int d_y = s_y;
 659
 660         if (dx < 0) s_x += -dx;
 661         if (dy < 0) s_y += -dy;
 662         if (dx > 0) d_x = dx + offset.x;
 663         if (dy > 0) d_y = dy + offset.y;
 664
 665         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 666
 667         // wxLogDebug( "Copy: s_x %d s_y %d w %d h %d d_x %d d_y %d", s_x, s_y, w, h, d_x, d_y );
 668
 669         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 670
 671         m_updateRegion.Union( rect );
 672         m_clearRegion.Union( rect );
 673     }
 674
 675     XFreeGC( xdisplay, xgc );
 676 }
 677
 678 // ---------------------------------------------------------------------------
 679 // drag and drop
 680 // ---------------------------------------------------------------------------
 681
 682 #if wxUSE_DRAG_AND_DROP
 683
 684 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 685 {
 686     // TODO
 687 }
 688
 689 #endif
 690
 691 // Old style file-manager drag&drop
 692 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 693 {
 694     // TODO
 695 }
 696
 697 // ----------------------------------------------------------------------------
 698 // tooltips
 699 // ----------------------------------------------------------------------------
 700
 701 #if wxUSE_TOOLTIPS
 702
 703 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 704 {
 705     // TODO
 706 }
 707
 708 #endif // wxUSE_TOOLTIPS
 709
 710 // ---------------------------------------------------------------------------
 711 // moving and resizing
 712 // ---------------------------------------------------------------------------
 713
 714 bool wxWindowX11::PreResize()
 715 {
 716     return TRUE;
 717 }
 718
 719 // Get total size
 720 void wxWindowX11::DoGetSize(int *x, int *y) const
 721 {
 722     Window xwindow = (Window) m_mainWindow;
 723
 724     wxCHECK_RET( xwindow, wxT("invalid window") );
 725
 726     //XSync(wxGlobalDisplay(), False);
 727
 728     XWindowAttributes attr;
 729     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 730     wxASSERT(status);
 731
 732     if (status)
 733     {
 734         *x = attr.width /* + 2*m_borderSize */ ;
 735         *y = attr.height /* + 2*m_borderSize */ ;
 736     }
 737 }
 738
 739 void wxWindowX11::DoGetPosition(int *x, int *y) const
 740 {
 741     Window window = (Window) m_mainWindow;
 742     if (window)
 743     {
 744         //XSync(wxGlobalDisplay(), False);
 745         XWindowAttributes attr;
 746         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 747         wxASSERT(status);
 748
 749         if (status)
 750         {
 751             *x = attr.x;
 752             *y = attr.y;
 753
 754             // We may be faking the client origin. So a window that's really at (0, 30)
 755             // may appear (to wxWin apps) to be at (0, 0).
 756             if (GetParent())
 757             {
 758                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 759                 *x -= pt.x;
 760                 *y -= pt.y;
 761             }
 762         }
 763     }
 764 }
 765
 766 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 767 {
 768     Display *display = wxGlobalDisplay();
 769     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 770     Window thisWindow = (Window) m_clientWindow;
 771
 772     Window childWindow;
 773     int xx = *x;
 774     int yy = *y;
 775     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 776 }
 777
 778 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 779 {
 780     Display *display = wxGlobalDisplay();
 781     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 782     Window thisWindow = (Window) m_clientWindow;
 783
 784     Window childWindow;
 785     int xx = *x;
 786     int yy = *y;
 787     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 788 }
 789
 790
 791 // Get size *available for subwindows* i.e. excluding menu bar etc.
 792 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 793 {
 794     Window window = (Window) m_mainWindow;
 795
 796     if (window)
 797     {
 798         XWindowAttributes attr;
 799         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 800         wxASSERT(status);
 801
 802         if (status)
 803         {
 804             *x = attr.width ;
 805             *y = attr.height ;
 806         }
 807     }
 808 }
 809
 810 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 811 {
 812     //    wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 813
 814     Window xwindow = (Window) m_mainWindow;
 815
 816     wxCHECK_RET( xwindow, wxT("invalid window") );
 817
 818     XWindowAttributes attr;
 819     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 820     wxCHECK_RET( status, wxT("invalid window attributes") );
 821
 822     int new_x = attr.x;
 823     int new_y = attr.y;
 824     int new_w = attr.width;
 825     int new_h = attr.height;
 826
 827     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 828     {
 829         int yy = 0;
 830         AdjustForParentClientOrigin( x, yy, sizeFlags);
 831         new_x = x;
 832     }
 833     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 834     {
 835         int xx = 0;
 836         AdjustForParentClientOrigin( xx, y, sizeFlags);
 837         new_y = y;
 838     }
 839     if (width != -1)
 840     {
 841         new_w = width;
 842         if (new_w <= 0)
 843             new_w = 20;
 844     }
 845     if (height != -1)
 846     {
 847         new_h = height;
 848         if (new_h <= 0)
 849             new_h = 20;
 850     }
 851
 852     DoMoveWindow( new_x, new_y, new_w, new_h );
 853 }
 854
 855 void wxWindowX11::DoSetClientSize(int width, int height)
 856 {
 857     //    wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 858
 859     Window xwindow = (Window) m_mainWindow;
 860
 861     wxCHECK_RET( xwindow, wxT("invalid window") );
 862
 863     XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 864
 865     if (m_mainWindow != m_clientWindow)
 866     {
 867         xwindow = (Window) m_clientWindow;
 868
 869         wxWindow *window = (wxWindow*) this;
 870         wxRenderer *renderer = window->GetRenderer();
 871         if (renderer)
 872         {
 873             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 874             width -= border.x + border.width;
 875             height -= border.y + border.height;
 876         }
 877
 878         XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 879     }
 880 }
 881
 882 // For implementation purposes - sometimes decorations make the client area
 883 // smaller
 884 wxPoint wxWindowX11::GetClientAreaOrigin() const
 885 {
 886     return wxPoint(0, 0);
 887 }
 888
 889 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 890 {
 891     Window xwindow = (Window) m_mainWindow;
 892
 893     wxCHECK_RET( xwindow, wxT("invalid window") );
 894
 895 #if !wxUSE_NANOX
 896
 897     XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, width, height );
 898     if (m_mainWindow != m_clientWindow)
 899     {
 900         xwindow = (Window) m_clientWindow;
 901
 902         wxWindow *window = (wxWindow*) this;
 903         wxRenderer *renderer = window->GetRenderer();
 904         if (renderer)
 905         {
 906             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 907             x = border.x;
 908             y = border.y;
 909             width -= border.x + border.width;
 910             height -= border.y + border.height;
 911         }
 912         else
 913         {
 914             x = 0;
 915             y = 0;
 916         }
 917
 918         wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
 919         if (sb && sb->IsShown())
 920         {
 921             wxSize size = sb->GetSize();
 922             height -= size.y;
 923         }
 924         sb = window->GetScrollbar( wxVERTICAL );
 925         if (sb && sb->IsShown())
 926         {
 927             wxSize size = sb->GetSize();
 928             width -= size.x;
 929         }
 930
 931         XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, wxMax(1, width), wxMax(1, height) );
 932     }
 933
 934 #else
 935
 936     XWindowChanges windowChanges;
 937     windowChanges.x = x;
 938     windowChanges.y = y;
 939     windowChanges.width = width;
 940     windowChanges.height = height;
 941     windowChanges.stack_mode = 0;
 942     int valueMask = CWX | CWY | CWWidth | CWHeight;
 943
 944     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 945
 946 #endif
 947 }
 948
 949 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 950 {
 951     m_minWidth = minW;
 952     m_minHeight = minH;
 953     m_maxWidth = maxW;
 954     m_maxHeight = maxH;
 955
 956 #if !wxUSE_NANOX
 957     XSizeHints sizeHints;
 958     sizeHints.flags = 0;
 959
 960     if (minW > -1 && minH > -1)
 961     {
 962         sizeHints.flags |= PMinSize;
 963         sizeHints.min_width = minW;
 964         sizeHints.min_height = minH;
 965     }
 966     if (maxW > -1 && maxH > -1)
 967     {
 968         sizeHints.flags |= PMaxSize;
 969         sizeHints.max_width = maxW;
 970         sizeHints.max_height = maxH;
 971     }
 972     if (incW > -1 && incH > -1)
 973     {
 974         sizeHints.flags |= PResizeInc;
 975         sizeHints.width_inc = incW;
 976         sizeHints.height_inc = incH;
 977     }
 978
 979     XSetWMNormalHints(wxGlobalDisplay(), (Window) m_mainWindow, &sizeHints );
 980 #endif
 981 }
 982
 983 // ---------------------------------------------------------------------------
 984 // text metrics
 985 // ---------------------------------------------------------------------------
 986
 987 int wxWindowX11::GetCharHeight() const
 988 {
 989     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 990
 991     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, wxGlobalDisplay());
 992
 993     int direction, ascent, descent;
 994     XCharStruct overall;
 995     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 996         &descent, &overall);
 997
 998     //  return (overall.ascent + overall.descent);
 999     return (ascent + descent);
1000 }
1001
1002 int wxWindowX11::GetCharWidth() const
1003 {
1004     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1005
1006     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, wxGlobalDisplay());
1007
1008     int direction, ascent, descent;
1009     XCharStruct overall;
1010     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1011         &descent, &overall);
1012
1013     return overall.width;
1014 }
1015
1016 void wxWindowX11::GetTextExtent(const wxString& string,
1017                              int *x, int *y,
1018                              int *descent, int *externalLeading,
1019                              const wxFont *theFont) const
1020 {
1021     wxFont fontToUse = m_font;
1022     if (theFont) fontToUse = *theFont;
1023
1024     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
1025
1026     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, wxGlobalDisplay());
1027
1028     int direction, ascent, descent2;
1029     XCharStruct overall;
1030     int slen = string.Len();
1031
1032 #if 0
1033     if (use16)
1034         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
1035         &ascent, &descent2, &overall);
1036 #endif
1037
1038     XTextExtents((XFontStruct*) pFontStruct, (char*) string.c_str(), slen,
1039                  &direction, &ascent, &descent2, &overall);
1040
1041     if ( x )
1042         *x = (overall.width);
1043     if ( y )
1044         *y = (ascent + descent2);
1045     if (descent)
1046         *descent = descent2;
1047     if (externalLeading)
1048         *externalLeading = 0;
1049
1050 }
1051
1052 // ----------------------------------------------------------------------------
1053 // painting
1054 // ----------------------------------------------------------------------------
1055
1056 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
1057 {
1058     if (eraseBack)
1059     {
1060         if (rect)
1061         {
1062             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1063             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
1064         }
1065         else
1066         {
1067             int height,width;
1068             GetSize( &width, &height );
1069
1070             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1071             m_clearRegion.Clear();
1072             m_clearRegion.Union( 0, 0, width, height );
1073         }
1074     }
1075
1076     if (rect)
1077     {
1078          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1079          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
1080     }
1081     else
1082     {
1083         int height,width;
1084         GetSize( &width, &height );
1085
1086         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1087         m_updateRegion.Clear();
1088         m_updateRegion.Union( 0, 0, width, height );
1089     }
1090 }
1091
1092 void wxWindowX11::Update()
1093 {
1094     if (m_updateNcArea)
1095     {
1096         // wxLogDebug("wxWindowX11::UpdateNC: %s", GetClassInfo()->GetClassName());
1097         // Send nc paint events.
1098         SendNcPaintEvents();
1099     }
1100
1101     if (!m_updateRegion.IsEmpty())
1102     {
1103         // wxLogDebug("wxWindowX11::Update: %s", GetClassInfo()->GetClassName());
1104         // Actually send erase events.
1105         SendEraseEvents();
1106
1107         // Actually send paint events.
1108         SendPaintEvents();
1109     }
1110 }
1111
1112 void wxWindowX11::Clear()
1113 {
1114 //    wxClientDC dc((wxWindow*) this);
1115 //    wxBrush brush(GetBackgroundColour(), wxSOLID);
1116 //    dc.SetBackground(brush);
1117 //    dc.Clear();
1118 }
1119
1120 void wxWindowX11::SendEraseEvents()
1121 {
1122     if (m_clearRegion.IsEmpty()) return;
1123
1124     wxClientDC dc( (wxWindow*)this );
1125     dc.SetClippingRegion( m_clearRegion );
1126
1127     wxEraseEvent erase_event( GetId(), &dc );
1128     erase_event.SetEventObject( this );
1129
1130     if (!GetEventHandler()->ProcessEvent(erase_event) )
1131     {
1132         Display *xdisplay = wxGlobalDisplay();
1133         Window xwindow = (Window) GetClientAreaWindow();
1134         XSetForeground( xdisplay, g_eraseGC, m_backgroundColour.GetPixel() );
1135
1136         wxRegionIterator upd( m_clearRegion );
1137         while (upd)
1138         {
1139             XFillRectangle( xdisplay, xwindow, g_eraseGC,
1140                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1141             upd ++;
1142         }
1143     }
1144
1145     m_clearRegion.Clear();
1146 }
1147
1148 void wxWindowX11::SendPaintEvents()
1149 {
1150     //    wxLogDebug("SendPaintEvents: %s (%ld)", GetClassInfo()->GetClassName(), GetId());
1151
1152     m_clipPaintRegion = TRUE;
1153
1154     wxPaintEvent paint_event( GetId() );
1155     paint_event.SetEventObject( this );
1156     GetEventHandler()->ProcessEvent( paint_event );
1157
1158     m_updateRegion.Clear();
1159
1160     m_clipPaintRegion = FALSE;
1161 }
1162
1163 void wxWindowX11::SendNcPaintEvents()
1164 {
1165     wxWindow *window = (wxWindow*) this;
1166
1167     // All this for drawing the small square between the scrollbars.
1168     int width = 0;
1169     int height = 0;
1170     int x = 0;
1171     int y = 0;
1172     wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
1173     if (sb && sb->IsShown())
1174     {
1175         height = sb->GetSize().y;
1176         y = sb->GetPosition().y;
1177
1178         sb = window->GetScrollbar( wxVERTICAL );
1179         if (sb && sb->IsShown())
1180         {
1181             width = sb->GetSize().x;
1182             x = sb->GetPosition().x;
1183
1184             Display *xdisplay = wxGlobalDisplay();
1185             Window xwindow = (Window) GetMainWindow();
1186             Colormap cm = (Colormap) wxTheApp->GetMainColormap( wxGetDisplay() );
1187             wxColour colour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
1188             colour.CalcPixel( (WXColormap) cm );
1189
1190             XSetForeground( xdisplay, g_eraseGC, colour.GetPixel() );
1191
1192             XFillRectangle( xdisplay, xwindow, g_eraseGC, x, y, width, height );
1193         }
1194     }
1195
1196     wxNcPaintEvent nc_paint_event( GetId() );
1197     nc_paint_event.SetEventObject( this );
1198     GetEventHandler()->ProcessEvent( nc_paint_event );
1199
1200     m_updateNcArea = FALSE;
1201 }
1202
1203 // ----------------------------------------------------------------------------
1204 // event handlers
1205 // ----------------------------------------------------------------------------
1206
1207 // Responds to colour changes: passes event on to children.
1208 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1209 {
1210     wxWindowList::Node *node = GetChildren().GetFirst();
1211     while ( node )
1212     {
1213         // Only propagate to non-top-level windows
1214         wxWindow *win = node->GetData();
1215         if ( win->GetParent() )
1216         {
1217             wxSysColourChangedEvent event2;
1218             event.m_eventObject = win;
1219             win->GetEventHandler()->ProcessEvent(event2);
1220         }
1221
1222         node = node->GetNext();
1223     }
1224 }
1225
1226 // See handler for InFocus case in app.cpp for details.
1227 wxWindow* g_GettingFocus = NULL;
1228
1229 void wxWindowX11::OnInternalIdle()
1230 {
1231     // Update invalidated regions.
1232     Update();
1233
1234     // This calls the UI-update mechanism (querying windows for
1235     // menu/toolbar/control state information)
1236     UpdateWindowUI();
1237
1238     // Set the input focus if couldn't do it before
1239     if (m_needsInputFocus)
1240     {
1241 #if 0
1242         wxString msg;
1243         msg.Printf("Setting focus for %s from OnInternalIdle\n", GetClassInfo()->GetClassName());
1244         printf(msg.c_str());
1245 #endif
1246         SetFocus();
1247         // If it couldn't set the focus now, there's
1248         // no point in trying again.
1249         m_needsInputFocus = FALSE;
1250     }
1251     g_GettingFocus = NULL;
1252 }
1253
1254 // ----------------------------------------------------------------------------
1255 // function which maintain the global hash table mapping Widgets to wxWindows
1256 // ----------------------------------------------------------------------------
1257
1258 bool wxAddWindowToTable(Window w, wxWindow *win)
1259 {
1260     wxWindow *oldItem = NULL;
1261     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1262     {
1263         wxLogDebug("Widget table clash: new widget is %ld, %s",
1264                    (long)w, win->GetClassInfo()->GetClassName());
1265         return FALSE;
1266     }
1267
1268     wxWidgetHashTable->Put((long) w, win);
1269
1270     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1271                (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1272
1273     return TRUE;
1274 }
1275
1276 wxWindow *wxGetWindowFromTable(Window w)
1277 {
1278     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1279 }
1280
1281 void wxDeleteWindowFromTable(Window w)
1282 {
1283     wxWidgetHashTable->Delete((long)w);
1284 }
1285
1286 // ----------------------------------------------------------------------------
1287 // function which maintain the global hash table mapping client widgets
1288 // ----------------------------------------------------------------------------
1289
1290 bool wxAddClientWindowToTable(Window w, wxWindow *win)
1291 {
1292     wxWindow *oldItem = NULL;
1293     if ((oldItem = (wxWindow *)wxClientWidgetHashTable->Get ((long) w)))
1294     {
1295         wxLogDebug("Client window table clash: new window is %ld, %s",
1296                    (long)w, win->GetClassInfo()->GetClassName());
1297         return FALSE;
1298     }
1299
1300     wxClientWidgetHashTable->Put((long) w, win);
1301
1302     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1303                (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1304
1305     return TRUE;
1306 }
1307
1308 wxWindow *wxGetClientWindowFromTable(Window w)
1309 {
1310     return (wxWindow *)wxClientWidgetHashTable->Get((long) w);
1311 }
1312
1313 void wxDeleteClientWindowFromTable(Window w)
1314 {
1315     wxClientWidgetHashTable->Delete((long)w);
1316 }
1317
1318 // ----------------------------------------------------------------------------
1319 // add/remove window from the table
1320 // ----------------------------------------------------------------------------
1321
1322 // ----------------------------------------------------------------------------
1323 // X11-specific accessors
1324 // ----------------------------------------------------------------------------
1325
1326 WXWindow wxWindowX11::GetMainWindow() const
1327 {
1328     return m_mainWindow;
1329 }
1330
1331 WXWindow wxWindowX11::GetClientAreaWindow() const
1332 {
1333     return m_clientWindow;
1334 }
1335
1336 // ----------------------------------------------------------------------------
1337 // TranslateXXXEvent() functions
1338 // ----------------------------------------------------------------------------
1339
1340 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1341 {
1342     switch (XEventGetType(xevent))
1343     {
1344         case EnterNotify:
1345         case LeaveNotify:
1346         case ButtonPress:
1347         case ButtonRelease:
1348         case MotionNotify:
1349         {
1350             wxEventType eventType = wxEVT_NULL;
1351
1352             if (XEventGetType(xevent) == EnterNotify)
1353             {
1354                 //if (local_event.xcrossing.mode!=NotifyNormal)
1355                 //  return ; // Ignore grab events
1356                 eventType = wxEVT_ENTER_WINDOW;
1357                 //            canvas->GetEventHandler()->OnSetFocus();
1358             }
1359             else if (XEventGetType(xevent) == LeaveNotify)
1360             {
1361                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1362                 //  return ; // Ignore grab events
1363                 eventType = wxEVT_LEAVE_WINDOW;
1364                 //            canvas->GetEventHandler()->OnKillFocus();
1365             }
1366             else if (XEventGetType(xevent) == MotionNotify)
1367             {
1368                 eventType = wxEVT_MOTION;
1369             }
1370             else if (XEventGetType(xevent) == ButtonPress)
1371             {
1372                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1373                 int button = 0;
1374                 if (XButtonEventLChanged(xevent))
1375                 {
1376                     eventType = wxEVT_LEFT_DOWN;
1377                     button = 1;
1378                 }
1379                 else if (XButtonEventMChanged(xevent))
1380                 {
1381                     eventType = wxEVT_MIDDLE_DOWN;
1382                     button = 2;
1383                 }
1384                 else if (XButtonEventRChanged(xevent))
1385                 {
1386                     eventType = wxEVT_RIGHT_DOWN;
1387                     button = 3;
1388                 }
1389
1390                 // check for a double click
1391                 // TODO: where can we get this value from?
1392                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1393                 long dclickTime = 200;
1394                 long ts = wxevent.GetTimestamp();
1395
1396                 int buttonLast = win->GetLastClickedButton();
1397                 long lastTS = win->GetLastClickTime();
1398                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1399                 {
1400                     // I have a dclick
1401                     win->SetLastClick(0, ts);
1402                     if ( eventType == wxEVT_LEFT_DOWN )
1403                         eventType = wxEVT_LEFT_DCLICK;
1404                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1405                         eventType = wxEVT_MIDDLE_DCLICK;
1406                     else if ( eventType == wxEVT_RIGHT_DOWN )
1407                         eventType = wxEVT_RIGHT_DCLICK;
1408                 }
1409                 else
1410                 {
1411                     // not fast enough or different button
1412                     win->SetLastClick(button, ts);
1413                 }
1414             }
1415             else if (XEventGetType(xevent) == ButtonRelease)
1416             {
1417                 if (XButtonEventLChanged(xevent))
1418                 {
1419                     eventType = wxEVT_LEFT_UP;
1420                 }
1421                 else if (XButtonEventMChanged(xevent))
1422                 {
1423                     eventType = wxEVT_MIDDLE_UP;
1424                 }
1425                 else if (XButtonEventRChanged(xevent))
1426                 {
1427                     eventType = wxEVT_RIGHT_UP;
1428                 }
1429                 else return FALSE;
1430             }
1431             else
1432             {
1433                 return FALSE;
1434             }
1435
1436             wxevent.SetEventType(eventType);
1437
1438             wxevent.m_x = XButtonEventGetX(xevent);
1439             wxevent.m_y = XButtonEventGetY(xevent);
1440
1441             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1442                 || (XButtonEventLIsDown(xevent)
1443                 && (eventType != wxEVT_LEFT_UP)));
1444             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1445                 || (XButtonEventMIsDown(xevent)
1446                 && (eventType != wxEVT_MIDDLE_UP)));
1447             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1448                 || (XButtonEventRIsDown (xevent)
1449                 && (eventType != wxEVT_RIGHT_UP)));
1450
1451             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1452             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1453             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1454             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1455
1456             wxevent.SetId(win->GetId());
1457             wxevent.SetEventObject(win);
1458
1459             return TRUE;
1460         }
1461     }
1462     return FALSE;
1463 }
1464
1465 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent)
1466 {
1467     switch (XEventGetType(xevent))
1468     {
1469     case KeyPress:
1470     case KeyRelease:
1471         {
1472             char buf[20];
1473
1474             KeySym keySym;
1475             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1476             int id = wxCharCodeXToWX (keySym);
1477
1478             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1479             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1480             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1481             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1482             wxevent.SetEventObject(win);
1483             wxevent.m_keyCode = toupper(id);
1484             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1485
1486             wxevent.m_x = XKeyEventGetX(xevent);
1487             wxevent.m_y = XKeyEventGetY(xevent);
1488
1489             if (id > -1)
1490                 return TRUE;
1491             else
1492                 return FALSE;
1493             break;
1494         }
1495     default:
1496         break;
1497     }
1498     return FALSE;
1499 }
1500
1501 // ----------------------------------------------------------------------------
1502 // Colour stuff
1503 // ----------------------------------------------------------------------------
1504
1505 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1506 {
1507     wxWindowBase::SetBackgroundColour(col);
1508
1509     Display *xdisplay = (Display*) wxGlobalDisplay();
1510     int xscreen = DefaultScreen( xdisplay );
1511     Colormap cm = DefaultColormap( xdisplay, xscreen );
1512
1513     m_backgroundColour.CalcPixel( (WXColormap) cm );
1514
1515     // We don't set the background colour as we paint
1516     // the background ourselves.
1517     // XSetWindowBackground( xdisplay, (Window) m_clientWindow, m_backgroundColour.GetPixel() );
1518
1519     return TRUE;
1520 }
1521
1522 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1523 {
1524     if ( !wxWindowBase::SetForegroundColour(col) )
1525         return FALSE;
1526
1527     return TRUE;
1528 }
1529
1530 // ----------------------------------------------------------------------------
1531 // global functions
1532 // ----------------------------------------------------------------------------
1533
1534 wxWindow *wxGetActiveWindow()
1535 {
1536     // TODO
1537     wxFAIL_MSG("Not implemented");
1538     return NULL;
1539 }
1540
1541 /* static */
1542 wxWindow *wxWindowBase::GetCapture()
1543 {
1544     return (wxWindow *)g_captureWindow;
1545 }
1546
1547
1548 // Find the wxWindow at the current mouse position, returning the mouse
1549 // position.
1550 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1551 {
1552     return wxFindWindowAtPoint(wxGetMousePosition());
1553 }
1554
1555 // Get the current mouse position.
1556 wxPoint wxGetMousePosition()
1557 {
1558 #if wxUSE_NANOX
1559     /* TODO */
1560     return wxPoint(0, 0);
1561 #else
1562     Display *display = wxGlobalDisplay();
1563     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1564     Window rootReturn, childReturn;
1565     int rootX, rootY, winX, winY;
1566     unsigned int maskReturn;
1567
1568     XQueryPointer (display,
1569                    rootWindow,
1570                    &rootReturn,
1571                    &childReturn,
1572                    &rootX, &rootY, &winX, &winY, &maskReturn);
1573     return wxPoint(rootX, rootY);
1574 #endif
1575 }
1576
1577
1578 // ----------------------------------------------------------------------------
1579 // wxNoOptimize: switch off size optimization
1580 // ----------------------------------------------------------------------------
1581
1582 int wxNoOptimize::ms_count = 0;
1583
1584
1585 // ----------------------------------------------------------------------------
1586 // wxDCModule
1587 // ----------------------------------------------------------------------------
1588
1589 class wxWinModule : public wxModule
1590 {
1591 public:
1592     bool OnInit();
1593     void OnExit();
1594
1595 private:
1596     DECLARE_DYNAMIC_CLASS(wxWinModule)
1597 };
1598
1599 IMPLEMENT_DYNAMIC_CLASS(wxWinModule, wxModule)
1600
1601 bool wxWinModule::OnInit()
1602 {
1603     Display *xdisplay = wxGlobalDisplay();
1604     int xscreen = DefaultScreen( xdisplay );
1605     Window xroot = RootWindow( xdisplay, xscreen );
1606     g_eraseGC = XCreateGC( xdisplay, xroot, 0, NULL );
1607     XSetFillStyle( xdisplay, g_eraseGC, FillSolid );
1608
1609     return TRUE;
1610 }
1611
1612 void wxWinModule::OnExit()
1613 {
1614     Display *xdisplay = wxGlobalDisplay();
1615     XFreeGC( xdisplay, g_eraseGC );
1616 }
1617
1618