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