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->GetClientAreaWindow();
 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         wxLogTrace( _T("focus"), _T("wxWindowX11::SetFocus: %s"), GetClassInfo()->GetClassName());
 390         //        XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 391         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToNone, CurrentTime );
 392         m_needsInputFocus = FALSE;
 393     }
 394     else
 395     {
 396         m_needsInputFocus = TRUE;
 397     }
 398 }
 399
 400 // Get the window with the focus
 401 wxWindow *wxWindowBase::FindFocus()
 402 {
 403     Window xfocus = (Window) 0;
 404     int revert = 0;
 405
 406     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 407     if (xfocus)
 408     {
 409         wxWindow *win = wxGetWindowFromTable( xfocus );
 410         if (!win)
 411         {
 412             win = wxGetClientWindowFromTable( xfocus );
 413         }
 414
 415         return win;
 416     }
 417
 418     return NULL;
 419 }
 420
 421 // Enabling/disabling handled by event loop, and not sending events
 422 // if disabled.
 423 bool wxWindowX11::Enable(bool enable)
 424 {
 425     if ( !wxWindowBase::Enable(enable) )
 426         return FALSE;
 427
 428     return TRUE;
 429 }
 430
 431 bool wxWindowX11::Show(bool show)
 432 {
 433     wxWindowBase::Show(show);
 434
 435     Window xwindow = (Window) m_mainWindow;
 436     Display *xdisp = wxGlobalDisplay();
 437     if (show)
 438     {
 439         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 440         XMapWindow(xdisp, xwindow);
 441     }
 442     else
 443     {
 444         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 445         XUnmapWindow(xdisp, xwindow);
 446     }
 447
 448     return TRUE;
 449 }
 450
 451 // Raise the window to the top of the Z order
 452 void wxWindowX11::Raise()
 453 {
 454     if (m_mainWindow)
 455         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 456 }
 457
 458 // Lower the window to the bottom of the Z order
 459 void wxWindowX11::Lower()
 460 {
 461     if (m_mainWindow)
 462         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 463 }
 464
 465 void wxWindowX11::DoCaptureMouse()
 466 {
 467     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 468     {
 469         wxASSERT_MSG(FALSE, "Trying to capture before mouse released.");
 470
 471         // Core dump now
 472         int *tmp = NULL;
 473         (*tmp) = 1;
 474         return;
 475     }
 476
 477     if (m_winCaptured)
 478         return;
 479
 480     Window xwindow = (Window) m_clientWindow;
 481
 482     wxCHECK_RET( xwindow, wxT("invalid window") );
 483
 484     g_captureWindow = (wxWindow*) this;
 485
 486     if (xwindow)
 487     {
 488         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 489             FALSE,
 490             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 491             GrabModeAsync,
 492                 GrabModeAsync,
 493             None,
 494             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 495             CurrentTime );
 496
 497         if (res != GrabSuccess)
 498         {
 499             wxString msg;
 500             msg.Printf("Failed to grab pointer for window %s", this->GetClassInfo()->GetClassName());
 501             wxLogDebug(msg);
 502             if (res == GrabNotViewable)
 503             {
 504                 wxLogDebug("This is not a viewable window - perhaps not shown yet?");
 505             }
 506             g_captureWindow = NULL;
 507             return;
 508         }
 509
 510         m_winCaptured = TRUE;
 511     }
 512 }
 513
 514 void wxWindowX11::DoReleaseMouse()
 515 {
 516     g_captureWindow = NULL;
 517
 518     if ( !m_winCaptured )
 519         return;
 520
 521     Window xwindow = (Window) m_clientWindow;
 522
 523     if (xwindow)
 524     {
 525         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 526     }
 527
 528     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 529
 530     m_winCaptured = FALSE;
 531 }
 532
 533 bool wxWindowX11::SetFont(const wxFont& font)
 534 {
 535     if ( !wxWindowBase::SetFont(font) )
 536     {
 537         // nothing to do
 538         return FALSE;
 539     }
 540
 541     return TRUE;
 542 }
 543
 544 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 545 {
 546     if ( !wxWindowBase::SetCursor(cursor) )
 547     {
 548         // no change
 549         return FALSE;
 550     }
 551
 552     Window xwindow = (Window) m_clientWindow;
 553
 554     wxCHECK_MSG( xwindow, FALSE, wxT("invalid window") );
 555
 556     wxCursor cursorToUse;
 557     if (m_cursor.Ok())
 558         cursorToUse = m_cursor;
 559     else
 560         cursorToUse = *wxSTANDARD_CURSOR;
 561
 562     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 563
 564     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 565
 566     return TRUE;
 567 }
 568
 569 // Coordinates relative to the window
 570 void wxWindowX11::WarpPointer (int x, int y)
 571 {
 572     Window xwindow = (Window) m_clientWindow;
 573
 574     wxCHECK_RET( xwindow, wxT("invalid window") );
 575
 576     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 577 }
 578
 579 // Does a physical scroll
 580 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 581 {
 582     // No scrolling requested.
 583     if ((dx == 0) && (dy == 0)) return;
 584
 585     if (!m_updateRegion.IsEmpty())
 586     {
 587         m_updateRegion.Offset( dx, dy );
 588
 589         int cw = 0;
 590         int ch = 0;
 591         GetSize( &cw, &ch );  // GetClientSize() ??
 592         m_updateRegion.Intersect( 0, 0, cw, ch );
 593     }
 594
 595     if (!m_clearRegion.IsEmpty())
 596     {
 597         m_clearRegion.Offset( dx, dy );
 598
 599         int cw = 0;
 600         int ch = 0;
 601         GetSize( &cw, &ch );  // GetClientSize() ??
 602         m_clearRegion.Intersect( 0, 0, cw, ch );
 603     }
 604
 605     Window xwindow = (Window) GetClientAreaWindow();
 606
 607     wxCHECK_RET( xwindow, wxT("invalid window") );
 608
 609     Display *xdisplay = wxGlobalDisplay();
 610
 611     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 612     XSetGraphicsExposures( xdisplay, xgc, True );
 613
 614     int s_x = 0;
 615     int s_y = 0;
 616     int cw;
 617     int ch;
 618     if (rect)
 619     {
 620         s_x = rect->x;
 621         s_y = rect->y;
 622
 623         cw = rect->width;
 624         ch = rect->height;
 625     }
 626     else
 627     {
 628         s_x = 0;
 629         s_y = 0;
 630         GetClientSize( &cw, &ch );
 631     }
 632
 633 #if wxUSE_TWO_WINDOWS
 634     wxPoint offset( 0,0 );
 635 #else
 636     wxPoint offset = GetClientAreaOrigin();
 637     s_x += offset.x;
 638     s_y += offset.y;
 639 #endif
 640
 641     int w = cw - abs(dx);
 642     int h = ch - abs(dy);
 643
 644     if ((h < 0) || (w < 0))
 645     {
 646         Refresh();
 647     }
 648     else
 649     {
 650         wxRect rect;
 651         if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
 652         if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
 653         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 654         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 655
 656         int d_x = s_x;
 657         int d_y = s_y;
 658
 659         if (dx < 0) s_x += -dx;
 660         if (dy < 0) s_y += -dy;
 661         if (dx > 0) d_x = dx + offset.x;
 662         if (dy > 0) d_y = dy + offset.y;
 663
 664         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 665
 666         // 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 );
 667
 668         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 669
 670         m_updateRegion.Union( rect );
 671         m_clearRegion.Union( rect );
 672     }
 673
 674     XFreeGC( xdisplay, xgc );
 675 }
 676
 677 // ---------------------------------------------------------------------------
 678 // drag and drop
 679 // ---------------------------------------------------------------------------
 680
 681 #if wxUSE_DRAG_AND_DROP
 682
 683 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 684 {
 685     // TODO
 686 }
 687
 688 #endif
 689
 690 // Old style file-manager drag&drop
 691 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 692 {
 693     // TODO
 694 }
 695
 696 // ----------------------------------------------------------------------------
 697 // tooltips
 698 // ----------------------------------------------------------------------------
 699
 700 #if wxUSE_TOOLTIPS
 701
 702 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 703 {
 704     // TODO
 705 }
 706
 707 #endif // wxUSE_TOOLTIPS
 708
 709 // ---------------------------------------------------------------------------
 710 // moving and resizing
 711 // ---------------------------------------------------------------------------
 712
 713 bool wxWindowX11::PreResize()
 714 {
 715     return TRUE;
 716 }
 717
 718 // Get total size
 719 void wxWindowX11::DoGetSize(int *x, int *y) const
 720 {
 721     Window xwindow = (Window) m_mainWindow;
 722
 723     wxCHECK_RET( xwindow, wxT("invalid window") );
 724
 725     //XSync(wxGlobalDisplay(), False);
 726
 727     XWindowAttributes attr;
 728     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 729     wxASSERT(status);
 730
 731     if (status)
 732     {
 733         *x = attr.width /* + 2*m_borderSize */ ;
 734         *y = attr.height /* + 2*m_borderSize */ ;
 735     }
 736 }
 737
 738 void wxWindowX11::DoGetPosition(int *x, int *y) const
 739 {
 740     Window window = (Window) m_mainWindow;
 741     if (window)
 742     {
 743         //XSync(wxGlobalDisplay(), False);
 744         XWindowAttributes attr;
 745         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 746         wxASSERT(status);
 747
 748         if (status)
 749         {
 750             *x = attr.x;
 751             *y = attr.y;
 752
 753             // We may be faking the client origin. So a window that's really at (0, 30)
 754             // may appear (to wxWin apps) to be at (0, 0).
 755             if (GetParent())
 756             {
 757                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 758                 *x -= pt.x;
 759                 *y -= pt.y;
 760             }
 761         }
 762     }
 763 }
 764
 765 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 766 {
 767     Display *display = wxGlobalDisplay();
 768     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 769     Window thisWindow = (Window) m_clientWindow;
 770
 771     Window childWindow;
 772     int xx = *x;
 773     int yy = *y;
 774     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 775 }
 776
 777 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 778 {
 779     Display *display = wxGlobalDisplay();
 780     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 781     Window thisWindow = (Window) m_clientWindow;
 782
 783     Window childWindow;
 784     int xx = *x;
 785     int yy = *y;
 786     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 787 }
 788
 789
 790 // Get size *available for subwindows* i.e. excluding menu bar etc.
 791 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 792 {
 793     Window window = (Window) m_mainWindow;
 794
 795     if (window)
 796     {
 797         XWindowAttributes attr;
 798         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 799         wxASSERT(status);
 800
 801         if (status)
 802         {
 803             *x = attr.width ;
 804             *y = attr.height ;
 805         }
 806     }
 807 }
 808
 809 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 810 {
 811     //    wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 812
 813     Window xwindow = (Window) m_mainWindow;
 814
 815     wxCHECK_RET( xwindow, wxT("invalid window") );
 816
 817     XWindowAttributes attr;
 818     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 819     wxCHECK_RET( status, wxT("invalid window attributes") );
 820
 821     int new_x = attr.x;
 822     int new_y = attr.y;
 823     int new_w = attr.width;
 824     int new_h = attr.height;
 825
 826     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 827     {
 828         int yy = 0;
 829         AdjustForParentClientOrigin( x, yy, sizeFlags);
 830         new_x = x;
 831     }
 832     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 833     {
 834         int xx = 0;
 835         AdjustForParentClientOrigin( xx, y, sizeFlags);
 836         new_y = y;
 837     }
 838     if (width != -1)
 839     {
 840         new_w = width;
 841         if (new_w <= 0)
 842             new_w = 20;
 843     }
 844     if (height != -1)
 845     {
 846         new_h = height;
 847         if (new_h <= 0)
 848             new_h = 20;
 849     }
 850
 851     DoMoveWindow( new_x, new_y, new_w, new_h );
 852 }
 853
 854 void wxWindowX11::DoSetClientSize(int width, int height)
 855 {
 856     //    wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 857
 858     Window xwindow = (Window) m_mainWindow;
 859
 860     wxCHECK_RET( xwindow, wxT("invalid window") );
 861
 862     XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 863
 864     if (m_mainWindow != m_clientWindow)
 865     {
 866         xwindow = (Window) m_clientWindow;
 867
 868         wxWindow *window = (wxWindow*) this;
 869         wxRenderer *renderer = window->GetRenderer();
 870         if (renderer)
 871         {
 872             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 873             width -= border.x + border.width;
 874             height -= border.y + border.height;
 875         }
 876
 877         XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 878     }
 879 }
 880
 881 // For implementation purposes - sometimes decorations make the client area
 882 // smaller
 883 wxPoint wxWindowX11::GetClientAreaOrigin() const
 884 {
 885     return wxPoint(0, 0);
 886 }
 887
 888 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 889 {
 890     Window xwindow = (Window) m_mainWindow;
 891
 892     wxCHECK_RET( xwindow, wxT("invalid window") );
 893
 894 #if !wxUSE_NANOX
 895
 896     XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, width, height );
 897     if (m_mainWindow != m_clientWindow)
 898     {
 899         xwindow = (Window) m_clientWindow;
 900
 901         wxWindow *window = (wxWindow*) this;
 902         wxRenderer *renderer = window->GetRenderer();
 903         if (renderer)
 904         {
 905             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 906             x = border.x;
 907             y = border.y;
 908             width -= border.x + border.width;
 909             height -= border.y + border.height;
 910         }
 911         else
 912         {
 913             x = 0;
 914             y = 0;
 915         }
 916
 917         wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
 918         if (sb && sb->IsShown())
 919         {
 920             wxSize size = sb->GetSize();
 921             height -= size.y;
 922         }
 923         sb = window->GetScrollbar( wxVERTICAL );
 924         if (sb && sb->IsShown())
 925         {
 926             wxSize size = sb->GetSize();
 927             width -= size.x;
 928         }
 929
 930         XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, wxMax(1, width), wxMax(1, height) );
 931     }
 932
 933 #else
 934
 935     XWindowChanges windowChanges;
 936     windowChanges.x = x;
 937     windowChanges.y = y;
 938     windowChanges.width = width;
 939     windowChanges.height = height;
 940     windowChanges.stack_mode = 0;
 941     int valueMask = CWX | CWY | CWWidth | CWHeight;
 942
 943     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 944
 945 #endif
 946 }
 947
 948 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 949 {
 950     m_minWidth = minW;
 951     m_minHeight = minH;
 952     m_maxWidth = maxW;
 953     m_maxHeight = maxH;
 954
 955 #if !wxUSE_NANOX
 956     XSizeHints sizeHints;
 957     sizeHints.flags = 0;
 958
 959     if (minW > -1 && minH > -1)
 960     {
 961         sizeHints.flags |= PMinSize;
 962         sizeHints.min_width = minW;
 963         sizeHints.min_height = minH;
 964     }
 965     if (maxW > -1 && maxH > -1)
 966     {
 967         sizeHints.flags |= PMaxSize;
 968         sizeHints.max_width = maxW;
 969         sizeHints.max_height = maxH;
 970     }
 971     if (incW > -1 && incH > -1)
 972     {
 973         sizeHints.flags |= PResizeInc;
 974         sizeHints.width_inc = incW;
 975         sizeHints.height_inc = incH;
 976     }
 977
 978     XSetWMNormalHints(wxGlobalDisplay(), (Window) m_mainWindow, &sizeHints );
 979 #endif
 980 }
 981
 982 // ---------------------------------------------------------------------------
 983 // text metrics
 984 // ---------------------------------------------------------------------------
 985
 986 int wxWindowX11::GetCharHeight() const
 987 {
 988     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 989
 990     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, wxGlobalDisplay());
 991
 992     int direction, ascent, descent;
 993     XCharStruct overall;
 994     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 995         &descent, &overall);
 996
 997     //  return (overall.ascent + overall.descent);
 998     return (ascent + descent);
 999 }
1000
1001 int wxWindowX11::GetCharWidth() const
1002 {
1003     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1004
1005     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, wxGlobalDisplay());
1006
1007     int direction, ascent, descent;
1008     XCharStruct overall;
1009     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1010         &descent, &overall);
1011
1012     return overall.width;
1013 }
1014
1015 void wxWindowX11::GetTextExtent(const wxString& string,
1016                              int *x, int *y,
1017                              int *descent, int *externalLeading,
1018                              const wxFont *theFont) const
1019 {
1020     wxFont fontToUse = m_font;
1021     if (theFont) fontToUse = *theFont;
1022
1023     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
1024
1025     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, wxGlobalDisplay());
1026
1027     int direction, ascent, descent2;
1028     XCharStruct overall;
1029     int slen = string.Len();
1030
1031 #if 0
1032     if (use16)
1033         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
1034         &ascent, &descent2, &overall);
1035 #endif
1036
1037     XTextExtents((XFontStruct*) pFontStruct, (char*) string.c_str(), slen,
1038                  &direction, &ascent, &descent2, &overall);
1039
1040     if ( x )
1041         *x = (overall.width);
1042     if ( y )
1043         *y = (ascent + descent2);
1044     if (descent)
1045         *descent = descent2;
1046     if (externalLeading)
1047         *externalLeading = 0;
1048
1049 }
1050
1051 // ----------------------------------------------------------------------------
1052 // painting
1053 // ----------------------------------------------------------------------------
1054
1055 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
1056 {
1057     if (eraseBack)
1058     {
1059         if (rect)
1060         {
1061             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1062             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
1063         }
1064         else
1065         {
1066             int height,width;
1067             GetSize( &width, &height );
1068
1069             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1070             m_clearRegion.Clear();
1071             m_clearRegion.Union( 0, 0, width, height );
1072         }
1073     }
1074
1075     if (rect)
1076     {
1077          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1078          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
1079     }
1080     else
1081     {
1082         int height,width;
1083         GetSize( &width, &height );
1084
1085         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1086         m_updateRegion.Clear();
1087         m_updateRegion.Union( 0, 0, width, height );
1088     }
1089 }
1090
1091 void wxWindowX11::Update()
1092 {
1093     if (m_updateNcArea)
1094     {
1095         // wxLogDebug("wxWindowX11::UpdateNC: %s", GetClassInfo()->GetClassName());
1096         // Send nc paint events.
1097         SendNcPaintEvents();
1098     }
1099
1100     if (!m_updateRegion.IsEmpty())
1101     {
1102         // wxLogDebug("wxWindowX11::Update: %s", GetClassInfo()->GetClassName());
1103         // Actually send erase events.
1104         SendEraseEvents();
1105
1106         // Actually send paint events.
1107         SendPaintEvents();
1108     }
1109 }
1110
1111 void wxWindowX11::Clear()
1112 {
1113 //    wxClientDC dc((wxWindow*) this);
1114 //    wxBrush brush(GetBackgroundColour(), wxSOLID);
1115 //    dc.SetBackground(brush);
1116 //    dc.Clear();
1117 }
1118
1119 void wxWindowX11::SendEraseEvents()
1120 {
1121     if (m_clearRegion.IsEmpty()) return;
1122
1123     wxClientDC dc( (wxWindow*)this );
1124     dc.SetClippingRegion( m_clearRegion );
1125
1126     wxEraseEvent erase_event( GetId(), &dc );
1127     erase_event.SetEventObject( this );
1128
1129     if (!GetEventHandler()->ProcessEvent(erase_event) )
1130     {
1131         Display *xdisplay = wxGlobalDisplay();
1132         Window xwindow = (Window) GetClientAreaWindow();
1133         XSetForeground( xdisplay, g_eraseGC, m_backgroundColour.GetPixel() );
1134
1135         wxRegionIterator upd( m_clearRegion );
1136         while (upd)
1137         {
1138             XFillRectangle( xdisplay, xwindow, g_eraseGC,
1139                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1140             upd ++;
1141         }
1142     }
1143
1144     m_clearRegion.Clear();
1145 }
1146
1147 void wxWindowX11::SendPaintEvents()
1148 {
1149     //    wxLogDebug("SendPaintEvents: %s (%ld)", GetClassInfo()->GetClassName(), GetId());
1150
1151     m_clipPaintRegion = TRUE;
1152
1153     wxPaintEvent paint_event( GetId() );
1154     paint_event.SetEventObject( this );
1155     GetEventHandler()->ProcessEvent( paint_event );
1156
1157     m_updateRegion.Clear();
1158
1159     m_clipPaintRegion = FALSE;
1160 }
1161
1162 void wxWindowX11::SendNcPaintEvents()
1163 {
1164     wxWindow *window = (wxWindow*) this;
1165
1166     // All this for drawing the small square between the scrollbars.
1167     int width = 0;
1168     int height = 0;
1169     int x = 0;
1170     int y = 0;
1171     wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
1172     if (sb && sb->IsShown())
1173     {
1174         height = sb->GetSize().y;
1175         y = sb->GetPosition().y;
1176
1177         sb = window->GetScrollbar( wxVERTICAL );
1178         if (sb && sb->IsShown())
1179         {
1180             width = sb->GetSize().x;
1181             x = sb->GetPosition().x;
1182
1183             Display *xdisplay = wxGlobalDisplay();
1184             Window xwindow = (Window) GetMainWindow();
1185             Colormap cm = (Colormap) wxTheApp->GetMainColormap( wxGetDisplay() );
1186             wxColour colour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
1187             colour.CalcPixel( (WXColormap) cm );
1188
1189             XSetForeground( xdisplay, g_eraseGC, colour.GetPixel() );
1190
1191             XFillRectangle( xdisplay, xwindow, g_eraseGC, x, y, width, height );
1192         }
1193     }
1194
1195     wxNcPaintEvent nc_paint_event( GetId() );
1196     nc_paint_event.SetEventObject( this );
1197     GetEventHandler()->ProcessEvent( nc_paint_event );
1198
1199     m_updateNcArea = FALSE;
1200 }
1201
1202 // ----------------------------------------------------------------------------
1203 // event handlers
1204 // ----------------------------------------------------------------------------
1205
1206 // Responds to colour changes: passes event on to children.
1207 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1208 {
1209     wxWindowList::Node *node = GetChildren().GetFirst();
1210     while ( node )
1211     {
1212         // Only propagate to non-top-level windows
1213         wxWindow *win = node->GetData();
1214         if ( win->GetParent() )
1215         {
1216             wxSysColourChangedEvent event2;
1217             event.m_eventObject = win;
1218             win->GetEventHandler()->ProcessEvent(event2);
1219         }
1220
1221         node = node->GetNext();
1222     }
1223 }
1224
1225 // See handler for InFocus case in app.cpp for details.
1226 wxWindow* g_GettingFocus = NULL;
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     g_GettingFocus = NULL;
1251 }
1252
1253 // ----------------------------------------------------------------------------
1254 // function which maintain the global hash table mapping Widgets to wxWindows
1255 // ----------------------------------------------------------------------------
1256
1257 bool wxAddWindowToTable(Window w, wxWindow *win)
1258 {
1259     wxWindow *oldItem = NULL;
1260     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1261     {
1262         wxLogDebug("Widget table clash: new widget is %ld, %s",
1263                    (long)w, win->GetClassInfo()->GetClassName());
1264         return FALSE;
1265     }
1266
1267     wxWidgetHashTable->Put((long) w, win);
1268
1269     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1270                w, win, win->GetClassInfo()->GetClassName());
1271
1272     return TRUE;
1273 }
1274
1275 wxWindow *wxGetWindowFromTable(Window w)
1276 {
1277     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1278 }
1279
1280 void wxDeleteWindowFromTable(Window w)
1281 {
1282     wxWidgetHashTable->Delete((long)w);
1283 }
1284
1285 // ----------------------------------------------------------------------------
1286 // function which maintain the global hash table mapping client widgets
1287 // ----------------------------------------------------------------------------
1288
1289 bool wxAddClientWindowToTable(Window w, wxWindow *win)
1290 {
1291     wxWindow *oldItem = NULL;
1292     if ((oldItem = (wxWindow *)wxClientWidgetHashTable->Get ((long) w)))
1293     {
1294         wxLogDebug("Client window table clash: new window is %ld, %s",
1295                    (long)w, win->GetClassInfo()->GetClassName());
1296         return FALSE;
1297     }
1298
1299     wxClientWidgetHashTable->Put((long) w, win);
1300
1301     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1302                w, win, win->GetClassInfo()->GetClassName());
1303
1304     return TRUE;
1305 }
1306
1307 wxWindow *wxGetClientWindowFromTable(Window w)
1308 {
1309     return (wxWindow *)wxClientWidgetHashTable->Get((long) w);
1310 }
1311
1312 void wxDeleteClientWindowFromTable(Window w)
1313 {
1314     wxClientWidgetHashTable->Delete((long)w);
1315 }
1316
1317 // ----------------------------------------------------------------------------
1318 // add/remove window from the table
1319 // ----------------------------------------------------------------------------
1320
1321 // ----------------------------------------------------------------------------
1322 // X11-specific accessors
1323 // ----------------------------------------------------------------------------
1324
1325 WXWindow wxWindowX11::GetMainWindow() const
1326 {
1327     return m_mainWindow;
1328 }
1329
1330 WXWindow wxWindowX11::GetClientAreaWindow() const
1331 {
1332     return m_clientWindow;
1333 }
1334
1335 // ----------------------------------------------------------------------------
1336 // TranslateXXXEvent() functions
1337 // ----------------------------------------------------------------------------
1338
1339 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1340 {
1341     switch (XEventGetType(xevent))
1342     {
1343         case EnterNotify:
1344         case LeaveNotify:
1345         case ButtonPress:
1346         case ButtonRelease:
1347         case MotionNotify:
1348         {
1349             wxEventType eventType = wxEVT_NULL;
1350
1351             if (XEventGetType(xevent) == EnterNotify)
1352             {
1353                 //if (local_event.xcrossing.mode!=NotifyNormal)
1354                 //  return ; // Ignore grab events
1355                 eventType = wxEVT_ENTER_WINDOW;
1356                 //            canvas->GetEventHandler()->OnSetFocus();
1357             }
1358             else if (XEventGetType(xevent) == LeaveNotify)
1359             {
1360                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1361                 //  return ; // Ignore grab events
1362                 eventType = wxEVT_LEAVE_WINDOW;
1363                 //            canvas->GetEventHandler()->OnKillFocus();
1364             }
1365             else if (XEventGetType(xevent) == MotionNotify)
1366             {
1367                 eventType = wxEVT_MOTION;
1368             }
1369             else if (XEventGetType(xevent) == ButtonPress)
1370             {
1371                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1372                 int button = 0;
1373                 if (XButtonEventLChanged(xevent))
1374                 {
1375                     eventType = wxEVT_LEFT_DOWN;
1376                     button = 1;
1377                 }
1378                 else if (XButtonEventMChanged(xevent))
1379                 {
1380                     eventType = wxEVT_MIDDLE_DOWN;
1381                     button = 2;
1382                 }
1383                 else if (XButtonEventRChanged(xevent))
1384                 {
1385                     eventType = wxEVT_RIGHT_DOWN;
1386                     button = 3;
1387                 }
1388
1389                 // check for a double click
1390                 // TODO: where can we get this value from?
1391                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1392                 long dclickTime = 200;
1393                 long ts = wxevent.GetTimestamp();
1394
1395                 int buttonLast = win->GetLastClickedButton();
1396                 long lastTS = win->GetLastClickTime();
1397                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1398                 {
1399                     // I have a dclick
1400                     win->SetLastClick(0, ts);
1401                     if ( eventType == wxEVT_LEFT_DOWN )
1402                         eventType = wxEVT_LEFT_DCLICK;
1403                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1404                         eventType = wxEVT_MIDDLE_DCLICK;
1405                     else if ( eventType == wxEVT_RIGHT_DOWN )
1406                         eventType = wxEVT_RIGHT_DCLICK;
1407                 }
1408                 else
1409                 {
1410                     // not fast enough or different button
1411                     win->SetLastClick(button, ts);
1412                 }
1413             }
1414             else if (XEventGetType(xevent) == ButtonRelease)
1415             {
1416                 if (XButtonEventLChanged(xevent))
1417                 {
1418                     eventType = wxEVT_LEFT_UP;
1419                 }
1420                 else if (XButtonEventMChanged(xevent))
1421                 {
1422                     eventType = wxEVT_MIDDLE_UP;
1423                 }
1424                 else if (XButtonEventRChanged(xevent))
1425                 {
1426                     eventType = wxEVT_RIGHT_UP;
1427                 }
1428                 else return FALSE;
1429             }
1430             else
1431             {
1432                 return FALSE;
1433             }
1434
1435             wxevent.SetEventType(eventType);
1436
1437             wxevent.m_x = XButtonEventGetX(xevent);
1438             wxevent.m_y = XButtonEventGetY(xevent);
1439
1440             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1441                 || (XButtonEventLIsDown(xevent)
1442                 && (eventType != wxEVT_LEFT_UP)));
1443             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1444                 || (XButtonEventMIsDown(xevent)
1445                 && (eventType != wxEVT_MIDDLE_UP)));
1446             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1447                 || (XButtonEventRIsDown (xevent)
1448                 && (eventType != wxEVT_RIGHT_UP)));
1449
1450             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1451             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1452             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1453             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1454
1455             wxevent.SetId(win->GetId());
1456             wxevent.SetEventObject(win);
1457
1458             return TRUE;
1459         }
1460     }
1461     return FALSE;
1462 }
1463
1464 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent)
1465 {
1466     switch (XEventGetType(xevent))
1467     {
1468     case KeyPress:
1469     case KeyRelease:
1470         {
1471             char buf[20];
1472
1473             KeySym keySym;
1474             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1475             int id = wxCharCodeXToWX (keySym);
1476
1477             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1478             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1479             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1480             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1481             wxevent.SetEventObject(win);
1482             wxevent.m_keyCode = id;
1483             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1484
1485             wxevent.m_x = XKeyEventGetX(xevent);
1486             wxevent.m_y = XKeyEventGetY(xevent);
1487
1488             if (id > -1)
1489                 return TRUE;
1490             else
1491                 return FALSE;
1492             break;
1493         }
1494     default:
1495         break;
1496     }
1497     return FALSE;
1498 }
1499
1500 // ----------------------------------------------------------------------------
1501 // Colour stuff
1502 // ----------------------------------------------------------------------------
1503
1504 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1505 {
1506     wxWindowBase::SetBackgroundColour(col);
1507
1508     Display *xdisplay = (Display*) wxGlobalDisplay();
1509     int xscreen = DefaultScreen( xdisplay );
1510     Colormap cm = DefaultColormap( xdisplay, xscreen );
1511
1512     m_backgroundColour.CalcPixel( (WXColormap) cm );
1513
1514     // We don't set the background colour as we paint
1515     // the background ourselves.
1516     // XSetWindowBackground( xdisplay, (Window) m_clientWindow, m_backgroundColour.GetPixel() );
1517
1518     return TRUE;
1519 }
1520
1521 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1522 {
1523     if ( !wxWindowBase::SetForegroundColour(col) )
1524         return FALSE;
1525
1526     return TRUE;
1527 }
1528
1529 // ----------------------------------------------------------------------------
1530 // global functions
1531 // ----------------------------------------------------------------------------
1532
1533 wxWindow *wxGetActiveWindow()
1534 {
1535     // TODO
1536     wxFAIL_MSG("Not implemented");
1537     return NULL;
1538 }
1539
1540 /* static */
1541 wxWindow *wxWindowBase::GetCapture()
1542 {
1543     return (wxWindow *)g_captureWindow;
1544 }
1545
1546
1547 // Find the wxWindow at the current mouse position, returning the mouse
1548 // position.
1549 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1550 {
1551     return wxFindWindowAtPoint(wxGetMousePosition());
1552 }
1553
1554 // Get the current mouse position.
1555 wxPoint wxGetMousePosition()
1556 {
1557 #if wxUSE_NANOX
1558     /* TODO */
1559     return wxPoint(0, 0);
1560 #else
1561     Display *display = wxGlobalDisplay();
1562     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1563     Window rootReturn, childReturn;
1564     int rootX, rootY, winX, winY;
1565     unsigned int maskReturn;
1566
1567     XQueryPointer (display,
1568                    rootWindow,
1569                    &rootReturn,
1570                    &childReturn,
1571                    &rootX, &rootY, &winX, &winY, &maskReturn);
1572     return wxPoint(rootX, rootY);
1573 #endif
1574 }
1575
1576
1577 // ----------------------------------------------------------------------------
1578 // wxNoOptimize: switch off size optimization
1579 // ----------------------------------------------------------------------------
1580
1581 int wxNoOptimize::ms_count = 0;
1582
1583
1584 // ----------------------------------------------------------------------------
1585 // wxDCModule
1586 // ----------------------------------------------------------------------------
1587
1588 class wxWinModule : public wxModule
1589 {
1590 public:
1591     bool OnInit();
1592     void OnExit();
1593
1594 private:
1595     DECLARE_DYNAMIC_CLASS(wxWinModule)
1596 };
1597
1598 IMPLEMENT_DYNAMIC_CLASS(wxWinModule, wxModule)
1599
1600 bool wxWinModule::OnInit()
1601 {
1602     Display *xdisplay = wxGlobalDisplay();
1603     int xscreen = DefaultScreen( xdisplay );
1604     Window xroot = RootWindow( xdisplay, xscreen );
1605     g_eraseGC = XCreateGC( xdisplay, xroot, 0, NULL );
1606     XSetFillStyle( xdisplay, g_eraseGC, FillSolid );
1607
1608     return TRUE;
1609 }
1610
1611 void wxWinModule::OnExit()
1612 {
1613     Display *xdisplay = wxGlobalDisplay();
1614     XFreeGC( xdisplay, g_eraseGC );
1615 }
1616
1617