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