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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  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/fontutil.h"
  44 #include "wx/univ/renderer.h"
  45 #include "wx/hash.h"
  46
  47 #if  wxUSE_DRAG_AND_DROP
  48     #include "wx/dnd.h"
  49 #endif
  50
  51 #include "wx/x11/private.h"
  52 #include "X11/Xutil.h"
  53
  54 #if wxUSE_NANOX
  55 // For wxGetLocalTime, used by XButtonEventGetTime
  56 #include "wx/timer.h"
  57 #endif
  58
  59 #include <string.h>
  60
  61 // ----------------------------------------------------------------------------
  62 // global variables for this module
  63 // ----------------------------------------------------------------------------
  64
  65 extern wxHashTable *wxWidgetHashTable;
  66 extern wxHashTable *wxClientWidgetHashTable;
  67 static wxWindow* g_captureWindow = NULL;
  68 static GC g_eraseGC;
  69
  70 // ----------------------------------------------------------------------------
  71 // macros
  72 // ----------------------------------------------------------------------------
  73
  74 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  75 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  76 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  77
  78 // ----------------------------------------------------------------------------
  79 // event tables
  80 // ----------------------------------------------------------------------------
  81
  82 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  83
  84 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  85     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  86 END_EVENT_TABLE()
  87
  88 // ============================================================================
  89 // implementation
  90 // ============================================================================
  91
  92 // ----------------------------------------------------------------------------
  93 // helper functions
  94 // ----------------------------------------------------------------------------
  95
  96 // ----------------------------------------------------------------------------
  97 // constructors
  98 // ----------------------------------------------------------------------------
  99
 100 void wxWindowX11::Init()
 101 {
 102     // generic initializations first
 103     InitBase();
 104
 105     // X11-specific
 106     m_mainWindow = (WXWindow) 0;
 107     m_clientWindow = (WXWindow) 0;
 108     m_insertIntoMain = FALSE;
 109     m_updateNcArea = FALSE;
 110
 111     m_winCaptured = FALSE;
 112     m_needsInputFocus = FALSE;
 113     m_isShown = TRUE;
 114     m_isBeingDeleted = FALSE;
 115     m_lastTS = 0;
 116     m_lastButton = 0;
 117 }
 118
 119 // real construction (Init() must have been called before!)
 120 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 121                       const wxPoint& pos,
 122                       const wxSize& size,
 123                       long style,
 124                       const wxString& name)
 125 {
 126     wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow without parent") );
 127
 128     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 129
 130     parent->AddChild(this);
 131
 132     Display *xdisplay = (Display*) wxGlobalDisplay();
 133     int xscreen = DefaultScreen( xdisplay );
 134     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 135     Colormap cm = DefaultColormap( xdisplay, xscreen );
 136
 137     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 138     m_backgroundColour.CalcPixel( (WXColormap) cm );
 139
 140     m_foregroundColour = *wxBLACK;
 141     m_foregroundColour.CalcPixel( (WXColormap) cm );
 142
 143     Window xparent = (Window) parent->GetClientAreaWindow();
 144
 145     // Add window's own scrollbars to main window, not to client window
 146     if (parent->GetInsertIntoMain())
 147     {
 148         // wxLogDebug( "Inserted into main: %s", GetName().c_str() );
 149         xparent = (Window) parent->GetMainWindow();
 150     }
 151
 152     // Size (not including the border) must be nonzero (or a Value error results)!
 153     // Note: The Xlib manual doesn't mention this restriction of XCreateWindow.
 154     wxSize size2(size);
 155     if (size2.x <= 0)
 156         size2.x = 20;
 157     if (size2.y <= 0)
 158         size2.y = 20;
 159
 160     wxPoint pos2(pos);
 161     if (pos2.x == -1)
 162         pos2.x = 0;
 163     if (pos2.y == -1)
 164         pos2.y = 0;
 165
 166 #if wxUSE_TWO_WINDOWS
 167     bool need_two_windows =
 168         ((( wxSUNKEN_BORDER | wxRAISED_BORDER | wxSIMPLE_BORDER | wxHSCROLL | wxVSCROLL ) & m_windowStyle) != 0);
 169 #else
 170     bool need_two_windows = FALSE;
 171 #endif
 172
 173 #if wxUSE_NANOX
 174     long xattributes = 0;
 175 #else
 176     XSetWindowAttributes xattributes;
 177     long xattributes_mask = 0;
 178
 179     xattributes_mask |= CWBackPixel;
 180     xattributes.background_pixel = m_backgroundColour.GetPixel();
 181
 182     xattributes_mask |= CWBorderPixel;
 183     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 184
 185     xattributes_mask |= CWEventMask;
 186 #endif
 187
 188     if (need_two_windows)
 189     {
 190 #if wxUSE_NANOX
 191         long backColor, foreColor;
 192         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 193         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 194
 195         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 196                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 197         XSelectInput( xdisplay, xwindow,
 198           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 199           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 200           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 201                       PropertyChangeMask );
 202
 203 #else
 204         // Normal X11
 205         xattributes.event_mask =
 206             ExposureMask | StructureNotifyMask | ColormapChangeMask;
 207
 208         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 209             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 210
 211 #endif
 212
 213         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 214
 215         m_mainWindow = (WXWindow) xwindow;
 216         wxAddWindowToTable( xwindow, (wxWindow*) this );
 217
 218         XMapWindow( xdisplay, xwindow );
 219
 220 #if !wxUSE_NANOX
 221         xattributes.event_mask =
 222             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 223             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 224             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 225             PropertyChangeMask | VisibilityChangeMask ;
 226
 227         if (HasFlag( wxNO_FULL_REPAINT_ON_RESIZE ))
 228         {
 229             xattributes_mask |= CWBitGravity;
 230             xattributes.bit_gravity = StaticGravity;
 231         }
 232 #endif
 233
 234         if (HasFlag( wxSUNKEN_BORDER) || HasFlag( wxRAISED_BORDER))
 235         {
 236             pos2.x = 2;
 237             pos2.y = 2;
 238             size2.x -= 4;
 239             size2.y -= 4;
 240         }
 241         else if (HasFlag( wxSIMPLE_BORDER ))
 242         {
 243             pos2.x = 1;
 244             pos2.y = 1;
 245             size2.x -= 2;
 246             size2.y -= 2;
 247         }
 248         else
 249         {
 250             pos2.x = 0;
 251             pos2.y = 0;
 252         }
 253
 254         // Make again sure the size is nonzero.
 255         if (size2.x <= 0)
 256             size2.x = 1;
 257         if (size2.y <= 0)
 258             size2.y = 1;
 259
 260 #if wxUSE_NANOX
 261         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 262         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 263
 264         xwindow = XCreateWindowWithColor( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 265                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 266         XSelectInput( xdisplay, xwindow,
 267           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 268           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 269           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 270                       PropertyChangeMask );
 271
 272 #else
 273         xwindow = XCreateWindow( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 274             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 275 #endif
 276
 277         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 278
 279         m_clientWindow = (WXWindow) xwindow;
 280         wxAddClientWindowToTable( xwindow, (wxWindow*) this );
 281
 282         XMapWindow( xdisplay, xwindow );
 283     }
 284     else
 285     {
 286         // wxLogDebug( "No two windows needed %s", GetName().c_str() );
 287 #if wxUSE_NANOX
 288         long backColor, foreColor;
 289         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 290         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 291
 292         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 293                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 294         XSelectInput( xdisplay, xwindow,
 295           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 296           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 297           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 298                       PropertyChangeMask );
 299
 300 #else
 301         xattributes.event_mask =
 302             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 303             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 304             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 305             PropertyChangeMask | VisibilityChangeMask ;
 306
 307         if (HasFlag( wxNO_FULL_REPAINT_ON_RESIZE ))
 308         {
 309             xattributes_mask |= CWBitGravity;
 310             xattributes.bit_gravity = NorthWestGravity;
 311         }
 312
 313         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 314             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 315 #endif
 316
 317         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 318
 319         m_mainWindow = (WXWindow) xwindow;
 320         m_clientWindow = m_mainWindow;
 321         wxAddWindowToTable( xwindow, (wxWindow*) this );
 322
 323         XMapWindow( xdisplay, xwindow );
 324     }
 325
 326     // Is a subwindow, so map immediately
 327     m_isShown = TRUE;
 328
 329     // Without this, the cursor may not be restored properly (e.g. in splitter
 330     // sample).
 331     SetCursor(*wxSTANDARD_CURSOR);
 332     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 333
 334     // Don't call this, it can have nasty repercussions for composite controls,
 335     // for example
 336     //    SetSize(pos.x, pos.y, size.x, size.y);
 337
 338     return TRUE;
 339 }
 340
 341 // Destructor
 342 wxWindowX11::~wxWindowX11()
 343 {
 344     SendDestroyEvent();
 345
 346     if (g_captureWindow == this)
 347         g_captureWindow = NULL;
 348
 349     m_isBeingDeleted = TRUE;
 350
 351     DestroyChildren();
 352
 353     if (m_clientWindow != m_mainWindow)
 354     {
 355         // Destroy the cleint window
 356         Window xwindow = (Window) m_clientWindow;
 357         wxDeleteClientWindowFromTable( xwindow );
 358         XDestroyWindow( wxGlobalDisplay(), xwindow );
 359         m_clientWindow = NULL;
 360     }
 361
 362     // Destroy the window
 363     Window xwindow = (Window) m_mainWindow;
 364     wxDeleteWindowFromTable( xwindow );
 365     XDestroyWindow( wxGlobalDisplay(), xwindow );
 366     m_mainWindow = NULL;
 367 }
 368
 369 // ---------------------------------------------------------------------------
 370 // basic operations
 371 // ---------------------------------------------------------------------------
 372
 373 void wxWindowX11::SetFocus()
 374 {
 375     Window xwindow = (Window) m_clientWindow;
 376
 377     wxCHECK_RET( xwindow, wxT("invalid window") );
 378
 379     wxCHECK_RET( AcceptsFocus(), wxT("set focus on window that doesn't accept the focus") );
 380
 381 #if 0
 382     if (GetName() == "scrollBar")
 383     {
 384         char *crash = NULL;
 385         *crash = 0;
 386     }
 387 #endif
 388
 389     if (wxWindowIsVisible(xwindow))
 390     {
 391         wxLogTrace( _T("focus"), _T("wxWindowX11::SetFocus: %s"), GetClassInfo()->GetClassName());
 392         //        XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 393         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToNone, CurrentTime );
 394         m_needsInputFocus = FALSE;
 395     }
 396     else
 397     {
 398         m_needsInputFocus = TRUE;
 399     }
 400 }
 401
 402 // Get the window with the focus
 403 wxWindow *wxWindowBase::FindFocus()
 404 {
 405     Window xfocus = (Window) 0;
 406     int revert = 0;
 407
 408     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 409     if (xfocus)
 410     {
 411         wxWindow *win = wxGetWindowFromTable( xfocus );
 412         if (!win)
 413         {
 414             win = wxGetClientWindowFromTable( xfocus );
 415         }
 416
 417         return win;
 418     }
 419
 420     return NULL;
 421 }
 422
 423 // Enabling/disabling handled by event loop, and not sending events
 424 // if disabled.
 425 bool wxWindowX11::Enable(bool enable)
 426 {
 427     if ( !wxWindowBase::Enable(enable) )
 428         return FALSE;
 429
 430     return TRUE;
 431 }
 432
 433 bool wxWindowX11::Show(bool show)
 434 {
 435     wxWindowBase::Show(show);
 436
 437     Window xwindow = (Window) m_mainWindow;
 438     Display *xdisp = wxGlobalDisplay();
 439     if (show)
 440     {
 441         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 442         XMapWindow(xdisp, xwindow);
 443     }
 444     else
 445     {
 446         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 447         XUnmapWindow(xdisp, xwindow);
 448     }
 449
 450     return TRUE;
 451 }
 452
 453 // Raise the window to the top of the Z order
 454 void wxWindowX11::Raise()
 455 {
 456     if (m_mainWindow)
 457         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 458 }
 459
 460 // Lower the window to the bottom of the Z order
 461 void wxWindowX11::Lower()
 462 {
 463     if (m_mainWindow)
 464         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 465 }
 466
 467 void wxWindowX11::DoCaptureMouse()
 468 {
 469     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 470     {
 471         wxASSERT_MSG(FALSE, wxT("Trying to capture before mouse released."));
 472
 473         // Core dump now
 474         int *tmp = NULL;
 475         (*tmp) = 1;
 476         return;
 477     }
 478
 479     if (m_winCaptured)
 480         return;
 481
 482     Window xwindow = (Window) m_clientWindow;
 483
 484     wxCHECK_RET( xwindow, wxT("invalid window") );
 485
 486     g_captureWindow = (wxWindow*) this;
 487
 488     if (xwindow)
 489     {
 490         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 491             FALSE,
 492             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 493             GrabModeAsync,
 494             GrabModeAsync,
 495             None,
 496             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 497             CurrentTime );
 498
 499         if (res != GrabSuccess)
 500         {
 501             wxString msg;
 502             msg.Printf(wxT("Failed to grab pointer for window %s"), this->GetClassInfo()->GetClassName());
 503             wxLogDebug(msg);
 504             if (res == GrabNotViewable)
 505                 wxLogDebug( wxT("This is not a viewable window - perhaps not shown yet?") );
 506
 507             g_captureWindow = NULL;
 508             return;
 509         }
 510
 511         m_winCaptured = TRUE;
 512     }
 513 }
 514
 515 void wxWindowX11::DoReleaseMouse()
 516 {
 517     g_captureWindow = NULL;
 518
 519     if ( !m_winCaptured )
 520         return;
 521
 522     Window xwindow = (Window) m_clientWindow;
 523
 524     if (xwindow)
 525     {
 526         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 527     }
 528
 529     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 530
 531     m_winCaptured = FALSE;
 532 }
 533
 534 bool wxWindowX11::SetFont(const wxFont& font)
 535 {
 536     if ( !wxWindowBase::SetFont(font) )
 537     {
 538         // nothing to do
 539         return FALSE;
 540     }
 541
 542     return TRUE;
 543 }
 544
 545 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 546 {
 547     if ( !wxWindowBase::SetCursor(cursor) )
 548     {
 549         // no change
 550         return FALSE;
 551     }
 552
 553     Window xwindow = (Window) m_clientWindow;
 554
 555     wxCHECK_MSG( xwindow, FALSE, wxT("invalid window") );
 556
 557     wxCursor cursorToUse;
 558     if (m_cursor.Ok())
 559         cursorToUse = m_cursor;
 560     else
 561         cursorToUse = *wxSTANDARD_CURSOR;
 562
 563     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 564
 565     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 566
 567     return TRUE;
 568 }
 569
 570 // Coordinates relative to the window
 571 void wxWindowX11::WarpPointer (int x, int y)
 572 {
 573     Window xwindow = (Window) m_clientWindow;
 574
 575     wxCHECK_RET( xwindow, wxT("invalid window") );
 576
 577     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 578 }
 579
 580 // Does a physical scroll
 581 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 582 {
 583     // No scrolling requested.
 584     if ((dx == 0) && (dy == 0)) return;
 585
 586     if (!m_updateRegion.IsEmpty())
 587     {
 588         m_updateRegion.Offset( dx, dy );
 589
 590         int cw = 0;
 591         int ch = 0;
 592         GetSize( &cw, &ch );  // GetClientSize() ??
 593         m_updateRegion.Intersect( 0, 0, cw, ch );
 594     }
 595
 596     if (!m_clearRegion.IsEmpty())
 597     {
 598         m_clearRegion.Offset( dx, dy );
 599
 600         int cw = 0;
 601         int ch = 0;
 602         GetSize( &cw, &ch );  // GetClientSize() ??
 603         m_clearRegion.Intersect( 0, 0, cw, ch );
 604     }
 605
 606     Window xwindow = (Window) GetClientAreaWindow();
 607
 608     wxCHECK_RET( xwindow, wxT("invalid window") );
 609
 610     Display *xdisplay = wxGlobalDisplay();
 611
 612     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 613     XSetGraphicsExposures( xdisplay, xgc, True );
 614
 615     int s_x = 0;
 616     int s_y = 0;
 617     int cw;
 618     int ch;
 619     if (rect)
 620     {
 621         s_x = rect->x;
 622         s_y = rect->y;
 623
 624         cw = rect->width;
 625         ch = rect->height;
 626     }
 627     else
 628     {
 629         s_x = 0;
 630         s_y = 0;
 631         GetClientSize( &cw, &ch );
 632     }
 633
 634 #if wxUSE_TWO_WINDOWS
 635     wxPoint offset( 0,0 );
 636 #else
 637     wxPoint offset = GetClientAreaOrigin();
 638     s_x += offset.x;
 639     s_y += offset.y;
 640 #endif
 641
 642     int w = cw - abs(dx);
 643     int h = ch - abs(dy);
 644
 645     if ((h < 0) || (w < 0))
 646     {
 647         Refresh();
 648     }
 649     else
 650     {
 651         wxRect rect;
 652         if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
 653         if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
 654         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 655         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 656
 657         int d_x = s_x;
 658         int d_y = s_y;
 659
 660         if (dx < 0) s_x += -dx;
 661         if (dy < 0) s_y += -dy;
 662         if (dx > 0) d_x = dx + offset.x;
 663         if (dy > 0) d_y = dy + offset.y;
 664
 665         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 666
 667         // wxLogDebug( "Copy: s_x %d s_y %d w %d h %d d_x %d d_y %d", s_x, s_y, w, h, d_x, d_y );
 668
 669         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 670
 671         m_updateRegion.Union( rect );
 672         m_clearRegion.Union( rect );
 673     }
 674
 675     XFreeGC( xdisplay, xgc );
 676 }
 677
 678 // ---------------------------------------------------------------------------
 679 // drag and drop
 680 // ---------------------------------------------------------------------------
 681
 682 #if wxUSE_DRAG_AND_DROP
 683
 684 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 685 {
 686     // TODO
 687 }
 688
 689 #endif
 690
 691 // Old style file-manager drag&drop
 692 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 693 {
 694     // TODO
 695 }
 696
 697 // ----------------------------------------------------------------------------
 698 // tooltips
 699 // ----------------------------------------------------------------------------
 700
 701 #if wxUSE_TOOLTIPS
 702
 703 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 704 {
 705     // TODO
 706 }
 707
 708 #endif // wxUSE_TOOLTIPS
 709
 710 // ---------------------------------------------------------------------------
 711 // moving and resizing
 712 // ---------------------------------------------------------------------------
 713
 714 bool wxWindowX11::PreResize()
 715 {
 716     return TRUE;
 717 }
 718
 719 // Get total size
 720 void wxWindowX11::DoGetSize(int *x, int *y) const
 721 {
 722     Window xwindow = (Window) m_mainWindow;
 723
 724     wxCHECK_RET( xwindow, wxT("invalid window") );
 725
 726     //XSync(wxGlobalDisplay(), False);
 727
 728     XWindowAttributes attr;
 729     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 730     wxASSERT(status);
 731
 732     if (status)
 733     {
 734         *x = attr.width /* + 2*m_borderSize */ ;
 735         *y = attr.height /* + 2*m_borderSize */ ;
 736     }
 737 }
 738
 739 void wxWindowX11::DoGetPosition(int *x, int *y) const
 740 {
 741     Window window = (Window) m_mainWindow;
 742     if (window)
 743     {
 744         //XSync(wxGlobalDisplay(), False);
 745         XWindowAttributes attr;
 746         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 747         wxASSERT(status);
 748
 749         if (status)
 750         {
 751             *x = attr.x;
 752             *y = attr.y;
 753
 754             // We may be faking the client origin. So a window that's really at (0, 30)
 755             // may appear (to wxWin apps) to be at (0, 0).
 756             if (GetParent())
 757             {
 758                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 759                 *x -= pt.x;
 760                 *y -= pt.y;
 761             }
 762         }
 763     }
 764 }
 765
 766 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 767 {
 768     Display *display = wxGlobalDisplay();
 769     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 770     Window thisWindow = (Window) m_clientWindow;
 771
 772     Window childWindow;
 773     int xx = *x;
 774     int yy = *y;
 775     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 776 }
 777
 778 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 779 {
 780     Display *display = wxGlobalDisplay();
 781     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 782     Window thisWindow = (Window) m_clientWindow;
 783
 784     Window childWindow;
 785     int xx = *x;
 786     int yy = *y;
 787     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 788 }
 789
 790
 791 // Get size *available for subwindows* i.e. excluding menu bar etc.
 792 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 793 {
 794     Window window = (Window) m_mainWindow;
 795
 796     if (window)
 797     {
 798         XWindowAttributes attr;
 799         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 800         wxASSERT(status);
 801
 802         if (status)
 803         {
 804             *x = attr.width ;
 805             *y = attr.height ;
 806         }
 807     }
 808 }
 809
 810 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 811 {
 812     //    wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 813
 814     Window xwindow = (Window) m_mainWindow;
 815
 816     wxCHECK_RET( xwindow, wxT("invalid window") );
 817
 818     XWindowAttributes attr;
 819     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 820     wxCHECK_RET( status, wxT("invalid window attributes") );
 821
 822     int new_x = attr.x;
 823     int new_y = attr.y;
 824     int new_w = attr.width;
 825     int new_h = attr.height;
 826
 827     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 828     {
 829         int yy = 0;
 830         AdjustForParentClientOrigin( x, yy, sizeFlags);
 831         new_x = x;
 832     }
 833     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 834     {
 835         int xx = 0;
 836         AdjustForParentClientOrigin( xx, y, sizeFlags);
 837         new_y = y;
 838     }
 839     if (width != -1)
 840     {
 841         new_w = width;
 842         if (new_w <= 0)
 843             new_w = 20;
 844     }
 845     if (height != -1)
 846     {
 847         new_h = height;
 848         if (new_h <= 0)
 849             new_h = 20;
 850     }
 851
 852     DoMoveWindow( new_x, new_y, new_w, new_h );
 853 }
 854
 855 void wxWindowX11::DoSetClientSize(int width, int height)
 856 {
 857     //    wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 858
 859     Window xwindow = (Window) m_mainWindow;
 860
 861     wxCHECK_RET( xwindow, wxT("invalid window") );
 862
 863     XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 864
 865     if (m_mainWindow != m_clientWindow)
 866     {
 867         xwindow = (Window) m_clientWindow;
 868
 869         wxWindow *window = (wxWindow*) this;
 870         wxRenderer *renderer = window->GetRenderer();
 871         if (renderer)
 872         {
 873             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 874             width -= border.x + border.width;
 875             height -= border.y + border.height;
 876         }
 877
 878         XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 879     }
 880 }
 881
 882 // For implementation purposes - sometimes decorations make the client area
 883 // smaller
 884 wxPoint wxWindowX11::GetClientAreaOrigin() const
 885 {
 886     return wxPoint(0, 0);
 887 }
 888
 889 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 890 {
 891     Window xwindow = (Window) m_mainWindow;
 892
 893     wxCHECK_RET( xwindow, wxT("invalid window") );
 894
 895 #if !wxUSE_NANOX
 896
 897     XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, width, height );
 898     if (m_mainWindow != m_clientWindow)
 899     {
 900         xwindow = (Window) m_clientWindow;
 901
 902         wxWindow *window = (wxWindow*) this;
 903         wxRenderer *renderer = window->GetRenderer();
 904         if (renderer)
 905         {
 906             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 907             x = border.x;
 908             y = border.y;
 909             width -= border.x + border.width;
 910             height -= border.y + border.height;
 911         }
 912         else
 913         {
 914             x = 0;
 915             y = 0;
 916         }
 917
 918         wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
 919         if (sb && sb->IsShown())
 920         {
 921             wxSize size = sb->GetSize();
 922             height -= size.y;
 923         }
 924         sb = window->GetScrollbar( wxVERTICAL );
 925         if (sb && sb->IsShown())
 926         {
 927             wxSize size = sb->GetSize();
 928             width -= size.x;
 929         }
 930
 931         XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, wxMax(1, width), wxMax(1, height) );
 932     }
 933
 934 #else
 935
 936     XWindowChanges windowChanges;
 937     windowChanges.x = x;
 938     windowChanges.y = y;
 939     windowChanges.width = width;
 940     windowChanges.height = height;
 941     windowChanges.stack_mode = 0;
 942     int valueMask = CWX | CWY | CWWidth | CWHeight;
 943
 944     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 945
 946 #endif
 947 }
 948
 949 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 950 {
 951     m_minWidth = minW;
 952     m_minHeight = minH;
 953     m_maxWidth = maxW;
 954     m_maxHeight = maxH;
 955
 956 #if !wxUSE_NANOX
 957     XSizeHints sizeHints;
 958     sizeHints.flags = 0;
 959
 960     if (minW > -1 && minH > -1)
 961     {
 962         sizeHints.flags |= PMinSize;
 963         sizeHints.min_width = minW;
 964         sizeHints.min_height = minH;
 965     }
 966     if (maxW > -1 && maxH > -1)
 967     {
 968         sizeHints.flags |= PMaxSize;
 969         sizeHints.max_width = maxW;
 970         sizeHints.max_height = maxH;
 971     }
 972     if (incW > -1 && incH > -1)
 973     {
 974         sizeHints.flags |= PResizeInc;
 975         sizeHints.width_inc = incW;
 976         sizeHints.height_inc = incH;
 977     }
 978
 979     XSetWMNormalHints(wxGlobalDisplay(), (Window) m_mainWindow, &sizeHints );
 980 #endif
 981 }
 982
 983 // ---------------------------------------------------------------------------
 984 // text metrics
 985 // ---------------------------------------------------------------------------
 986
 987 int wxWindowX11::GetCharHeight() const
 988 {
 989     wxCHECK_MSG( m_font.Ok(), 0, wxT("valid window font needed") );
 990
 991 #if wxUSE_UNICODE
 992     // There should be an easier way.
 993     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
 994     pango_layout_set_font_description( layout, GetFont().GetNativeFontInfo()->description );
 995     pango_layout_set_text(layout, "H", 1 );
 996     int w,h;
 997     pango_layout_get_pixel_size(layout, &w, &h);
 998     g_object_unref( G_OBJECT( layout ) );
 999
1000     return h;
1001 #else
1002     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, wxGlobalDisplay());
1003
1004     int direction, ascent, descent;
1005     XCharStruct overall;
1006     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1007         &descent, &overall);
1008
1009     //  return (overall.ascent + overall.descent);
1010     return (ascent + descent);
1011 #endif
1012 }
1013
1014 int wxWindowX11::GetCharWidth() const
1015 {
1016     wxCHECK_MSG( m_font.Ok(), 0, wxT("valid window font needed") );
1017
1018 #if wxUSE_UNICODE
1019     // There should be an easier way.
1020     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1021     pango_layout_set_font_description( layout, GetFont().GetNativeFontInfo()->description );
1022     pango_layout_set_text(layout, "H", 1 );
1023     int w,h;
1024     pango_layout_get_pixel_size(layout, &w, &h);
1025     g_object_unref( G_OBJECT( layout ) );
1026
1027     return w;
1028 #else
1029     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, wxGlobalDisplay());
1030
1031     int direction, ascent, descent;
1032     XCharStruct overall;
1033     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1034         &descent, &overall);
1035
1036     return overall.width;
1037 #endif
1038 }
1039
1040 void wxWindowX11::GetTextExtent(const wxString& string,
1041                              int *x, int *y,
1042                              int *descent, int *externalLeading,
1043                              const wxFont *theFont) const
1044 {
1045     wxFont fontToUse = m_font;
1046     if (theFont) fontToUse = *theFont;
1047
1048     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
1049
1050     if (string.IsEmpty())
1051     {
1052         if (x) (*x) = 0;
1053         if (y) (*y) = 0;
1054         return;
1055     }
1056
1057 #if wxUSE_UNICODE
1058     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1059
1060     PangoFontDescription *desc = fontToUse.GetNativeFontInfo()->description;
1061     pango_layout_set_font_description(layout, desc);
1062
1063     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1064     pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1065
1066     PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
1067
1068
1069     PangoRectangle rect;
1070     pango_layout_line_get_extents(line, NULL, &rect);
1071
1072     if (x) (*x) = (wxCoord) (rect.width / PANGO_SCALE);
1073     if (y) (*y) = (wxCoord) (rect.height / PANGO_SCALE);
1074     if (descent)
1075     {
1076         // Do something about metrics here
1077         (*descent) = 0;
1078     }
1079     if (externalLeading) (*externalLeading) = 0;  // ??
1080
1081     g_object_unref( G_OBJECT( layout ) );
1082 #else
1083     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, wxGlobalDisplay());
1084
1085     int direction, ascent, descent2;
1086     XCharStruct overall;
1087     int slen = string.Len();
1088
1089     XTextExtents((XFontStruct*) pFontStruct, (char*) string.c_str(), slen,
1090                  &direction, &ascent, &descent2, &overall);
1091
1092     if ( x )
1093         *x = (overall.width);
1094     if ( y )
1095         *y = (ascent + descent2);
1096     if (descent)
1097         *descent = descent2;
1098     if (externalLeading)
1099         *externalLeading = 0;
1100 #endif
1101 }
1102
1103 // ----------------------------------------------------------------------------
1104 // painting
1105 // ----------------------------------------------------------------------------
1106
1107 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
1108 {
1109     if (eraseBack)
1110     {
1111         if (rect)
1112         {
1113             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1114             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
1115         }
1116         else
1117         {
1118             int height,width;
1119             GetSize( &width, &height );
1120
1121             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1122             m_clearRegion.Clear();
1123             m_clearRegion.Union( 0, 0, width, height );
1124         }
1125     }
1126
1127     if (rect)
1128     {
1129          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1130          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
1131     }
1132     else
1133     {
1134         int height,width;
1135         GetSize( &width, &height );
1136
1137         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1138         m_updateRegion.Clear();
1139         m_updateRegion.Union( 0, 0, width, height );
1140     }
1141 }
1142
1143 void wxWindowX11::Update()
1144 {
1145     if (m_updateNcArea)
1146     {
1147         // wxLogDebug("wxWindowX11::UpdateNC: %s", GetClassInfo()->GetClassName());
1148         // Send nc paint events.
1149         SendNcPaintEvents();
1150     }
1151
1152     if (!m_updateRegion.IsEmpty())
1153     {
1154         // wxLogDebug("wxWindowX11::Update: %s", GetClassInfo()->GetClassName());
1155         // Actually send erase events.
1156         SendEraseEvents();
1157
1158         // Actually send paint events.
1159         SendPaintEvents();
1160     }
1161 }
1162
1163 void wxWindowX11::SendEraseEvents()
1164 {
1165     if (m_clearRegion.IsEmpty()) return;
1166
1167     wxClientDC dc( (wxWindow*)this );
1168     dc.SetClippingRegion( m_clearRegion );
1169
1170     wxEraseEvent erase_event( GetId(), &dc );
1171     erase_event.SetEventObject( this );
1172
1173     if (!GetEventHandler()->ProcessEvent(erase_event) )
1174     {
1175         Display *xdisplay = wxGlobalDisplay();
1176         Window xwindow = (Window) GetClientAreaWindow();
1177         XSetForeground( xdisplay, g_eraseGC, m_backgroundColour.GetPixel() );
1178
1179         wxRegionIterator upd( m_clearRegion );
1180         while (upd)
1181         {
1182             XFillRectangle( xdisplay, xwindow, g_eraseGC,
1183                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1184             upd ++;
1185         }
1186     }
1187
1188     m_clearRegion.Clear();
1189 }
1190
1191 void wxWindowX11::SendPaintEvents()
1192 {
1193     //    wxLogDebug("SendPaintEvents: %s (%ld)", GetClassInfo()->GetClassName(), GetId());
1194
1195     m_clipPaintRegion = TRUE;
1196
1197     wxPaintEvent paint_event( GetId() );
1198     paint_event.SetEventObject( this );
1199     GetEventHandler()->ProcessEvent( paint_event );
1200
1201     m_updateRegion.Clear();
1202
1203     m_clipPaintRegion = FALSE;
1204 }
1205
1206 void wxWindowX11::SendNcPaintEvents()
1207 {
1208     wxWindow *window = (wxWindow*) this;
1209
1210     // All this for drawing the small square between the scrollbars.
1211     int width = 0;
1212     int height = 0;
1213     int x = 0;
1214     int y = 0;
1215     wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
1216     if (sb && sb->IsShown())
1217     {
1218         height = sb->GetSize().y;
1219         y = sb->GetPosition().y;
1220
1221         sb = window->GetScrollbar( wxVERTICAL );
1222         if (sb && sb->IsShown())
1223         {
1224             width = sb->GetSize().x;
1225             x = sb->GetPosition().x;
1226
1227             Display *xdisplay = wxGlobalDisplay();
1228             Window xwindow = (Window) GetMainWindow();
1229             Colormap cm = (Colormap) wxTheApp->GetMainColormap( wxGetDisplay() );
1230             wxColour colour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
1231             colour.CalcPixel( (WXColormap) cm );
1232
1233             XSetForeground( xdisplay, g_eraseGC, colour.GetPixel() );
1234
1235             XFillRectangle( xdisplay, xwindow, g_eraseGC, x, y, width, height );
1236         }
1237     }
1238
1239     wxNcPaintEvent nc_paint_event( GetId() );
1240     nc_paint_event.SetEventObject( this );
1241     GetEventHandler()->ProcessEvent( nc_paint_event );
1242
1243     m_updateNcArea = FALSE;
1244 }
1245
1246 // ----------------------------------------------------------------------------
1247 // event handlers
1248 // ----------------------------------------------------------------------------
1249
1250 // Responds to colour changes: passes event on to children.
1251 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1252 {
1253     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1254     while ( node )
1255     {
1256         // Only propagate to non-top-level windows
1257         wxWindow *win = node->GetData();
1258         if ( win->GetParent() )
1259         {
1260             wxSysColourChangedEvent event2;
1261             event.m_eventObject = win;
1262             win->GetEventHandler()->ProcessEvent(event2);
1263         }
1264
1265         node = node->GetNext();
1266     }
1267 }
1268
1269 // See handler for InFocus case in app.cpp for details.
1270 wxWindow* g_GettingFocus = NULL;
1271
1272 void wxWindowX11::OnInternalIdle()
1273 {
1274     // Update invalidated regions.
1275     Update();
1276
1277     // This calls the UI-update mechanism (querying windows for
1278     // menu/toolbar/control state information)
1279     if (wxUpdateUIEvent::CanUpdate((wxWindow*) this))
1280         UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1281
1282     // Set the input focus if couldn't do it before
1283     if (m_needsInputFocus)
1284     {
1285 #if 0
1286         wxString msg;
1287         msg.Printf("Setting focus for %s from OnInternalIdle\n", GetClassInfo()->GetClassName());
1288         printf(msg.c_str());
1289 #endif
1290         SetFocus();
1291
1292         // If it couldn't set the focus now, there's
1293         // no point in trying again.
1294         m_needsInputFocus = FALSE;
1295     }
1296     g_GettingFocus = NULL;
1297 }
1298
1299 // ----------------------------------------------------------------------------
1300 // function which maintain the global hash table mapping Widgets to wxWindows
1301 // ----------------------------------------------------------------------------
1302
1303 bool wxAddWindowToTable(Window w, wxWindow *win)
1304 {
1305     wxWindow *oldItem = NULL;
1306     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1307     {
1308         wxLogDebug( wxT("Widget table clash: new widget is %ld, %s"),
1309                     (long)w, win->GetClassInfo()->GetClassName());
1310         return FALSE;
1311     }
1312
1313     wxWidgetHashTable->Put((long) w, win);
1314
1315     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
1316                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1317
1318     return TRUE;
1319 }
1320
1321 wxWindow *wxGetWindowFromTable(Window w)
1322 {
1323     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1324 }
1325
1326 void wxDeleteWindowFromTable(Window w)
1327 {
1328     wxWidgetHashTable->Delete((long)w);
1329 }
1330
1331 // ----------------------------------------------------------------------------
1332 // function which maintain the global hash table mapping client widgets
1333 // ----------------------------------------------------------------------------
1334
1335 bool wxAddClientWindowToTable(Window w, wxWindow *win)
1336 {
1337     wxWindow *oldItem = NULL;
1338     if ((oldItem = (wxWindow *)wxClientWidgetHashTable->Get ((long) w)))
1339     {
1340         wxLogDebug( wxT("Client window table clash: new window is %ld, %s"),
1341                     (long)w, win->GetClassInfo()->GetClassName());
1342         return FALSE;
1343     }
1344
1345     wxClientWidgetHashTable->Put((long) w, win);
1346
1347     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
1348                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1349
1350     return TRUE;
1351 }
1352
1353 wxWindow *wxGetClientWindowFromTable(Window w)
1354 {
1355     return (wxWindow *)wxClientWidgetHashTable->Get((long) w);
1356 }
1357
1358 void wxDeleteClientWindowFromTable(Window w)
1359 {
1360     wxClientWidgetHashTable->Delete((long)w);
1361 }
1362
1363 // ----------------------------------------------------------------------------
1364 // add/remove window from the table
1365 // ----------------------------------------------------------------------------
1366
1367 // ----------------------------------------------------------------------------
1368 // X11-specific accessors
1369 // ----------------------------------------------------------------------------
1370
1371 WXWindow wxWindowX11::GetMainWindow() const
1372 {
1373     return m_mainWindow;
1374 }
1375
1376 WXWindow wxWindowX11::GetClientAreaWindow() const
1377 {
1378     return m_clientWindow;
1379 }
1380
1381 // ----------------------------------------------------------------------------
1382 // TranslateXXXEvent() functions
1383 // ----------------------------------------------------------------------------
1384
1385 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1386 {
1387     switch (XEventGetType(xevent))
1388     {
1389         case EnterNotify:
1390         case LeaveNotify:
1391         case ButtonPress:
1392         case ButtonRelease:
1393         case MotionNotify:
1394         {
1395             wxEventType eventType = wxEVT_NULL;
1396
1397             if (XEventGetType(xevent) == EnterNotify)
1398             {
1399                 //if (local_event.xcrossing.mode!=NotifyNormal)
1400                 //  return ; // Ignore grab events
1401                 eventType = wxEVT_ENTER_WINDOW;
1402                 //            canvas->GetEventHandler()->OnSetFocus();
1403             }
1404             else if (XEventGetType(xevent) == LeaveNotify)
1405             {
1406                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1407                 //  return ; // Ignore grab events
1408                 eventType = wxEVT_LEAVE_WINDOW;
1409                 //            canvas->GetEventHandler()->OnKillFocus();
1410             }
1411             else if (XEventGetType(xevent) == MotionNotify)
1412             {
1413                 eventType = wxEVT_MOTION;
1414             }
1415             else if (XEventGetType(xevent) == ButtonPress)
1416             {
1417                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1418                 int button = 0;
1419                 if (XButtonEventLChanged(xevent))
1420                 {
1421                     eventType = wxEVT_LEFT_DOWN;
1422                     button = 1;
1423                 }
1424                 else if (XButtonEventMChanged(xevent))
1425                 {
1426                     eventType = wxEVT_MIDDLE_DOWN;
1427                     button = 2;
1428                 }
1429                 else if (XButtonEventRChanged(xevent))
1430                 {
1431                     eventType = wxEVT_RIGHT_DOWN;
1432                     button = 3;
1433                 }
1434
1435                 // check for a double click
1436                 // TODO: where can we get this value from?
1437                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1438                 long dclickTime = 200;
1439                 long ts = wxevent.GetTimestamp();
1440
1441                 int buttonLast = win->GetLastClickedButton();
1442                 long lastTS = win->GetLastClickTime();
1443                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1444                 {
1445                     // I have a dclick
1446                     win->SetLastClick(0, ts);
1447                     if ( eventType == wxEVT_LEFT_DOWN )
1448                         eventType = wxEVT_LEFT_DCLICK;
1449                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1450                         eventType = wxEVT_MIDDLE_DCLICK;
1451                     else if ( eventType == wxEVT_RIGHT_DOWN )
1452                         eventType = wxEVT_RIGHT_DCLICK;
1453                 }
1454                 else
1455                 {
1456                     // not fast enough or different button
1457                     win->SetLastClick(button, ts);
1458                 }
1459             }
1460             else if (XEventGetType(xevent) == ButtonRelease)
1461             {
1462                 if (XButtonEventLChanged(xevent))
1463                 {
1464                     eventType = wxEVT_LEFT_UP;
1465                 }
1466                 else if (XButtonEventMChanged(xevent))
1467                 {
1468                     eventType = wxEVT_MIDDLE_UP;
1469                 }
1470                 else if (XButtonEventRChanged(xevent))
1471                 {
1472                     eventType = wxEVT_RIGHT_UP;
1473                 }
1474                 else return FALSE;
1475             }
1476             else
1477             {
1478                 return FALSE;
1479             }
1480
1481             wxevent.SetEventType(eventType);
1482
1483             wxevent.m_x = XButtonEventGetX(xevent);
1484             wxevent.m_y = XButtonEventGetY(xevent);
1485
1486             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1487                 || (XButtonEventLIsDown(xevent)
1488                 && (eventType != wxEVT_LEFT_UP)));
1489             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1490                 || (XButtonEventMIsDown(xevent)
1491                 && (eventType != wxEVT_MIDDLE_UP)));
1492             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1493                 || (XButtonEventRIsDown (xevent)
1494                 && (eventType != wxEVT_RIGHT_UP)));
1495
1496             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1497             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1498             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1499             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1500
1501             wxevent.SetId(win->GetId());
1502             wxevent.SetEventObject(win);
1503
1504             return TRUE;
1505         }
1506     }
1507     return FALSE;
1508 }
1509
1510 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent, bool isAscii)
1511 {
1512     switch (XEventGetType(xevent))
1513     {
1514     case KeyPress:
1515     case KeyRelease:
1516         {
1517             char buf[20];
1518
1519             KeySym keySym;
1520             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1521             int id = wxCharCodeXToWX (keySym);
1522             // id may be WXK_xxx code - these are outside ASCII range, so we
1523             // can't just use toupper() on id.
1524             // Only change this if we want the raw key that was pressed,
1525             // and don't change it if we want an ASCII value.
1526             if (!isAscii && (id >= 'a' && id <= 'z'))
1527             {
1528                 id = id + 'A' - 'a';
1529             }
1530
1531             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1532             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1533             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1534             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1535             wxevent.SetEventObject(win);
1536             wxevent.m_keyCode = id;
1537             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1538
1539             wxevent.m_x = XKeyEventGetX(xevent);
1540             wxevent.m_y = XKeyEventGetY(xevent);
1541
1542             return id > -1;
1543         }
1544     default:
1545         break;
1546     }
1547     return FALSE;
1548 }
1549
1550 // ----------------------------------------------------------------------------
1551 // Colour stuff
1552 // ----------------------------------------------------------------------------
1553
1554 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1555 {
1556     wxWindowBase::SetBackgroundColour(col);
1557
1558     Display *xdisplay = (Display*) wxGlobalDisplay();
1559     int xscreen = DefaultScreen( xdisplay );
1560     Colormap cm = DefaultColormap( xdisplay, xscreen );
1561
1562     m_backgroundColour.CalcPixel( (WXColormap) cm );
1563
1564     // We don't set the background colour as we paint
1565     // the background ourselves.
1566     // XSetWindowBackground( xdisplay, (Window) m_clientWindow, m_backgroundColour.GetPixel() );
1567
1568     return TRUE;
1569 }
1570
1571 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1572 {
1573     if ( !wxWindowBase::SetForegroundColour(col) )
1574         return FALSE;
1575
1576     return TRUE;
1577 }
1578
1579 // ----------------------------------------------------------------------------
1580 // global functions
1581 // ----------------------------------------------------------------------------
1582
1583 wxWindow *wxGetActiveWindow()
1584 {
1585     // TODO
1586     wxFAIL_MSG(wxT("Not implemented"));
1587     return NULL;
1588 }
1589
1590 /* static */
1591 wxWindow *wxWindowBase::GetCapture()
1592 {
1593     return (wxWindow *)g_captureWindow;
1594 }
1595
1596
1597 // Find the wxWindow at the current mouse position, returning the mouse
1598 // position.
1599 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1600 {
1601     return wxFindWindowAtPoint(wxGetMousePosition());
1602 }
1603
1604 // Get the current mouse position.
1605 wxPoint wxGetMousePosition()
1606 {
1607 #if wxUSE_NANOX
1608     /* TODO */
1609     return wxPoint(0, 0);
1610 #else
1611     Display *display = wxGlobalDisplay();
1612     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1613     Window rootReturn, childReturn;
1614     int rootX, rootY, winX, winY;
1615     unsigned int maskReturn;
1616
1617     XQueryPointer (display,
1618                    rootWindow,
1619                    &rootReturn,
1620                    &childReturn,
1621                    &rootX, &rootY, &winX, &winY, &maskReturn);
1622     return wxPoint(rootX, rootY);
1623 #endif
1624 }
1625
1626
1627 // ----------------------------------------------------------------------------
1628 // wxNoOptimize: switch off size optimization
1629 // ----------------------------------------------------------------------------
1630
1631 int wxNoOptimize::ms_count = 0;
1632
1633
1634 // ----------------------------------------------------------------------------
1635 // wxDCModule
1636 // ----------------------------------------------------------------------------
1637
1638 class wxWinModule : public wxModule
1639 {
1640 public:
1641     bool OnInit();
1642     void OnExit();
1643
1644 private:
1645     DECLARE_DYNAMIC_CLASS(wxWinModule)
1646 };
1647
1648 IMPLEMENT_DYNAMIC_CLASS(wxWinModule, wxModule)
1649
1650 bool wxWinModule::OnInit()
1651 {
1652     Display *xdisplay = wxGlobalDisplay();
1653     int xscreen = DefaultScreen( xdisplay );
1654     Window xroot = RootWindow( xdisplay, xscreen );
1655     g_eraseGC = XCreateGC( xdisplay, xroot, 0, NULL );
1656     XSetFillStyle( xdisplay, g_eraseGC, FillSolid );
1657
1658     return TRUE;
1659 }
1660
1661 void wxWinModule::OnExit()
1662 {
1663     Display *xdisplay = wxGlobalDisplay();
1664     XFreeGC( xdisplay, g_eraseGC );
1665 }
1666
1667