src/x11/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/x11/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 // for compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #if defined(__BORLANDC__)
  16 #pragma hdrstop
  17 #endif
  18
  19 // ============================================================================
  20 // declarations
  21 // ============================================================================
  22
  23 // ----------------------------------------------------------------------------
  24 // headers
  25 // ----------------------------------------------------------------------------
  26
  27 #include "wx/menu.h"
  28 #include "wx/dc.h"
  29 #include "wx/dcclient.h"
  30 #include "wx/utils.h"
  31 #include "wx/app.h"
  32 #include "wx/panel.h"
  33 #include "wx/layout.h"
  34 #include "wx/dialog.h"
  35 #include "wx/listbox.h"
  36 #include "wx/button.h"
  37 #include "wx/settings.h"
  38 #include "wx/msgdlg.h"
  39 #include "wx/frame.h"
  40 #include "wx/scrolwin.h"
  41 #include "wx/scrolbar.h"
  42 #include "wx/module.h"
  43 #include "wx/menuitem.h"
  44 #include "wx/log.h"
  45 #include "wx/fontutil.h"
  46 #include "wx/univ/renderer.h"
  47 #include "wx/hash.h"
  48
  49 #if  wxUSE_DRAG_AND_DROP
  50     #include "wx/dnd.h"
  51 #endif
  52
  53 #include "wx/x11/private.h"
  54 #include "X11/Xutil.h"
  55
  56 #if wxUSE_NANOX
  57 // For wxGetLocalTime, used by XButtonEventGetTime
  58 #include "wx/timer.h"
  59 #endif
  60
  61 #include <string.h>
  62
  63 // ----------------------------------------------------------------------------
  64 // global variables for this module
  65 // ----------------------------------------------------------------------------
  66
  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     // X11-specific
 103     m_mainWindow = (WXWindow) 0;
 104     m_clientWindow = (WXWindow) 0;
 105     m_insertIntoMain = false;
 106     m_updateNcArea = false;
 107
 108     m_winCaptured = false;
 109     m_needsInputFocus = false;
 110     m_isShown = true;
 111     m_lastTS = 0;
 112     m_lastButton = 0;
 113 }
 114
 115 // real construction (Init() must have been called before!)
 116 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 117                          const wxPoint& pos,
 118                          const wxSize& size,
 119                          long style,
 120                          const wxString& name)
 121 {
 122     wxCHECK_MSG( parent, false, wxT("can't create wxWindow without parent") );
 123
 124     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 125
 126     parent->AddChild(this);
 127
 128     Display *xdisplay = (Display*) wxGlobalDisplay();
 129     int xscreen = DefaultScreen( xdisplay );
 130     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 131     Colormap cm = DefaultColormap( xdisplay, xscreen );
 132
 133     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 134     m_backgroundColour.CalcPixel( (WXColormap) cm );
 135
 136     m_foregroundColour = *wxBLACK;
 137     m_foregroundColour.CalcPixel( (WXColormap) cm );
 138
 139     Window xparent = (Window) parent->GetClientAreaWindow();
 140
 141     // Add window's own scrollbars to main window, not to client window
 142     if (parent->GetInsertIntoMain())
 143     {
 144         // wxLogDebug( "Inserted into main: %s", GetName().c_str() );
 145         xparent = (Window) parent->GetMainWindow();
 146     }
 147
 148     // Size (not including the border) must be nonzero (or a Value error results)!
 149     // Note: The Xlib manual doesn't mention this restriction of XCreateWindow.
 150     wxSize size2(size);
 151     if (size2.x <= 0)
 152         size2.x = 20;
 153     if (size2.y <= 0)
 154         size2.y = 20;
 155
 156     wxPoint pos2(pos);
 157     if (pos2.x == wxDefaultCoord)
 158         pos2.x = 0;
 159     if (pos2.y == wxDefaultCoord)
 160         pos2.y = 0;
 161
 162 #if wxUSE_TWO_WINDOWS
 163     bool need_two_windows =
 164         ((( wxSUNKEN_BORDER | wxRAISED_BORDER | wxSIMPLE_BORDER | wxHSCROLL | wxVSCROLL ) & m_windowStyle) != 0);
 165 #else
 166     bool need_two_windows = false;
 167 #endif
 168
 169 #if wxUSE_NANOX
 170     long xattributes = 0;
 171 #else
 172     XSetWindowAttributes xattributes;
 173     long xattributes_mask = 0;
 174
 175     xattributes_mask |= CWBackPixel;
 176     xattributes.background_pixel = m_backgroundColour.GetPixel();
 177
 178     xattributes_mask |= CWBorderPixel;
 179     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 180
 181     xattributes_mask |= CWEventMask;
 182 #endif
 183
 184     if (need_two_windows)
 185     {
 186 #if wxUSE_NANOX
 187         long backColor, foreColor;
 188         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 189         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 190
 191         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 192                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 193         XSelectInput( xdisplay, xwindow,
 194           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 195           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 196           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 197                       PropertyChangeMask );
 198
 199 #else
 200         // Normal X11
 201         xattributes.event_mask =
 202             ExposureMask | StructureNotifyMask | ColormapChangeMask;
 203
 204         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 205             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 206
 207 #endif
 208
 209         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 210
 211         m_mainWindow = (WXWindow) xwindow;
 212         wxAddWindowToTable( xwindow, (wxWindow*) this );
 213
 214         XMapWindow( xdisplay, xwindow );
 215
 216 #if !wxUSE_NANOX
 217         xattributes.event_mask =
 218             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 219             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 220             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 221             PropertyChangeMask | VisibilityChangeMask ;
 222
 223         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 224         {
 225             xattributes_mask |= CWBitGravity;
 226             xattributes.bit_gravity = StaticGravity;
 227         }
 228 #endif
 229
 230         if (HasFlag( wxSUNKEN_BORDER) || HasFlag( wxRAISED_BORDER))
 231         {
 232             pos2.x = 2;
 233             pos2.y = 2;
 234             size2.x -= 4;
 235             size2.y -= 4;
 236         }
 237         else if (HasFlag( wxSIMPLE_BORDER ))
 238         {
 239             pos2.x = 1;
 240             pos2.y = 1;
 241             size2.x -= 2;
 242             size2.y -= 2;
 243         }
 244         else
 245         {
 246             pos2.x = 0;
 247             pos2.y = 0;
 248         }
 249
 250         // Make again sure the size is nonzero.
 251         if (size2.x <= 0)
 252             size2.x = 1;
 253         if (size2.y <= 0)
 254             size2.y = 1;
 255
 256 #if wxUSE_NANOX
 257         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 258         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 259
 260         xwindow = XCreateWindowWithColor( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 261                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 262         XSelectInput( xdisplay, xwindow,
 263           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 264           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 265           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 266                       PropertyChangeMask );
 267
 268 #else
 269         xwindow = XCreateWindow( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 270             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 271 #endif
 272
 273         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 274
 275         m_clientWindow = (WXWindow) xwindow;
 276         wxAddClientWindowToTable( xwindow, (wxWindow*) this );
 277
 278         XMapWindow( xdisplay, xwindow );
 279     }
 280     else
 281     {
 282         // wxLogDebug( "No two windows needed %s", GetName().c_str() );
 283 #if wxUSE_NANOX
 284         long backColor, foreColor;
 285         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 286         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 287
 288         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 289                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 290         XSelectInput( xdisplay, xwindow,
 291           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 292           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 293           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 294                       PropertyChangeMask );
 295
 296 #else
 297         xattributes.event_mask =
 298             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 299             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 300             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 301             PropertyChangeMask | VisibilityChangeMask ;
 302
 303         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 304         {
 305             xattributes_mask |= CWBitGravity;
 306             xattributes.bit_gravity = NorthWestGravity;
 307         }
 308
 309         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 310             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 311 #endif
 312
 313         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 314
 315         m_mainWindow = (WXWindow) xwindow;
 316         m_clientWindow = m_mainWindow;
 317         wxAddWindowToTable( xwindow, (wxWindow*) this );
 318
 319         XMapWindow( xdisplay, xwindow );
 320     }
 321
 322     // Is a subwindow, so map immediately
 323     m_isShown = true;
 324
 325     // Without this, the cursor may not be restored properly (e.g. in splitter
 326     // sample).
 327     SetCursor(*wxSTANDARD_CURSOR);
 328     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 329
 330     // Don't call this, it can have nasty repercussions for composite controls,
 331     // for example
 332     //    SetSize(pos.x, pos.y, size.x, size.y);
 333
 334     return true;
 335 }
 336
 337 // Destructor
 338 wxWindowX11::~wxWindowX11()
 339 {
 340     SendDestroyEvent();
 341
 342     if (g_captureWindow == this)
 343         g_captureWindow = NULL;
 344
 345     m_isBeingDeleted = true;
 346
 347     DestroyChildren();
 348
 349     if (m_clientWindow != m_mainWindow)
 350     {
 351         // Destroy the cleint window
 352         Window xwindow = (Window) m_clientWindow;
 353         wxDeleteClientWindowFromTable( xwindow );
 354         XDestroyWindow( wxGlobalDisplay(), xwindow );
 355         m_clientWindow = NULL;
 356     }
 357
 358     // Destroy the window
 359     Window xwindow = (Window) m_mainWindow;
 360     wxDeleteWindowFromTable( xwindow );
 361     XDestroyWindow( wxGlobalDisplay(), xwindow );
 362     m_mainWindow = NULL;
 363 }
 364
 365 // ---------------------------------------------------------------------------
 366 // basic operations
 367 // ---------------------------------------------------------------------------
 368
 369 void wxWindowX11::SetFocus()
 370 {
 371     Window xwindow = (Window) m_clientWindow;
 372
 373     wxCHECK_RET( xwindow, wxT("invalid window") );
 374
 375     // Don't assert; we might be trying to set the focus for a panel
 376     // with only static controls, so the panel returns false from AcceptsFocus.
 377     // The app should be not be expected to deal with this.
 378     if (!AcceptsFocus())
 379         return;
 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::DoFindFocus()
 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::SetLabel(const wxString& WXUNUSED(label))
 468 {
 469     // TODO
 470 }
 471
 472 wxString wxWindowX11::GetLabel() const
 473 {
 474     // TODO
 475     return wxEmptyString;
 476 }
 477
 478 void wxWindowX11::DoCaptureMouse()
 479 {
 480     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 481     {
 482         wxASSERT_MSG(false, wxT("Trying to capture before mouse released."));
 483
 484         // Core dump now
 485         int *tmp = NULL;
 486         (*tmp) = 1;
 487         return;
 488     }
 489
 490     if (m_winCaptured)
 491         return;
 492
 493     Window xwindow = (Window) m_clientWindow;
 494
 495     wxCHECK_RET( xwindow, wxT("invalid window") );
 496
 497     g_captureWindow = (wxWindow*) this;
 498
 499     if (xwindow)
 500     {
 501         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 502             FALSE,
 503             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 504             GrabModeAsync,
 505             GrabModeAsync,
 506             None,
 507             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 508             CurrentTime );
 509
 510         if (res != GrabSuccess)
 511         {
 512             wxString msg;
 513             msg.Printf(wxT("Failed to grab pointer for window %s"), this->GetClassInfo()->GetClassName());
 514             wxLogDebug(msg);
 515             if (res == GrabNotViewable)
 516                 wxLogDebug( wxT("This is not a viewable window - perhaps not shown yet?") );
 517
 518             g_captureWindow = NULL;
 519             return;
 520         }
 521
 522         m_winCaptured = true;
 523     }
 524 }
 525
 526 void wxWindowX11::DoReleaseMouse()
 527 {
 528     g_captureWindow = NULL;
 529
 530     if ( !m_winCaptured )
 531         return;
 532
 533     Window xwindow = (Window) m_clientWindow;
 534
 535     if (xwindow)
 536     {
 537         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 538     }
 539
 540     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 541
 542     m_winCaptured = false;
 543 }
 544
 545 bool wxWindowX11::SetFont(const wxFont& font)
 546 {
 547     if ( !wxWindowBase::SetFont(font) )
 548     {
 549         // nothing to do
 550         return false;
 551     }
 552
 553     return true;
 554 }
 555
 556 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 557 {
 558     if ( !wxWindowBase::SetCursor(cursor) )
 559     {
 560         // no change
 561         return false;
 562     }
 563
 564     Window xwindow = (Window) m_clientWindow;
 565
 566     wxCHECK_MSG( xwindow, false, wxT("invalid window") );
 567
 568     wxCursor cursorToUse;
 569     if (m_cursor.Ok())
 570         cursorToUse = m_cursor;
 571     else
 572         cursorToUse = *wxSTANDARD_CURSOR;
 573
 574     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 575
 576     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 577
 578     return true;
 579 }
 580
 581 // Coordinates relative to the window
 582 void wxWindowX11::WarpPointer (int x, int y)
 583 {
 584     Window xwindow = (Window) m_clientWindow;
 585
 586     wxCHECK_RET( xwindow, wxT("invalid window") );
 587
 588     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 589 }
 590
 591 // Does a physical scroll
 592 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 593 {
 594     // No scrolling requested.
 595     if ((dx == 0) && (dy == 0)) return;
 596
 597     if (!m_updateRegion.IsEmpty())
 598     {
 599         m_updateRegion.Offset( dx, dy );
 600
 601         int cw = 0;
 602         int ch = 0;
 603         GetSize( &cw, &ch );  // GetClientSize() ??
 604         m_updateRegion.Intersect( 0, 0, cw, ch );
 605     }
 606
 607     if (!m_clearRegion.IsEmpty())
 608     {
 609         m_clearRegion.Offset( dx, dy );
 610
 611         int cw = 0;
 612         int ch = 0;
 613         GetSize( &cw, &ch );  // GetClientSize() ??
 614         m_clearRegion.Intersect( 0, 0, cw, ch );
 615     }
 616
 617     Window xwindow = (Window) GetClientAreaWindow();
 618
 619     wxCHECK_RET( xwindow, wxT("invalid window") );
 620
 621     Display *xdisplay = wxGlobalDisplay();
 622
 623     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 624     XSetGraphicsExposures( xdisplay, xgc, True );
 625
 626     int s_x = 0;
 627     int s_y = 0;
 628     int cw;
 629     int ch;
 630     if (rect)
 631     {
 632         s_x = rect->x;
 633         s_y = rect->y;
 634
 635         cw = rect->width;
 636         ch = rect->height;
 637     }
 638     else
 639     {
 640         s_x = 0;
 641         s_y = 0;
 642         GetClientSize( &cw, &ch );
 643     }
 644
 645 #if wxUSE_TWO_WINDOWS
 646     wxPoint offset( 0,0 );
 647 #else
 648     wxPoint offset = GetClientAreaOrigin();
 649     s_x += offset.x;
 650     s_y += offset.y;
 651 #endif
 652
 653     int w = cw - abs(dx);
 654     int h = ch - abs(dy);
 655
 656     if ((h < 0) || (w < 0))
 657     {
 658         Refresh();
 659     }
 660     else
 661     {
 662         wxRect rect;
 663         if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
 664         if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
 665         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 666         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 667
 668         int d_x = s_x;
 669         int d_y = s_y;
 670
 671         if (dx < 0) s_x += -dx;
 672         if (dy < 0) s_y += -dy;
 673         if (dx > 0) d_x = dx + offset.x;
 674         if (dy > 0) d_y = dy + offset.y;
 675
 676         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 677
 678         // 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 );
 679
 680         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 681
 682         m_updateRegion.Union( rect );
 683         m_clearRegion.Union( rect );
 684     }
 685
 686     XFreeGC( xdisplay, xgc );
 687
 688     // Move Clients, but not the scrollbars
 689     // FIXME: There may be a better method to move a lot of Windows within X11
 690     wxScrollBar *sbH = ((wxWindow *) this)->GetScrollbar( wxHORIZONTAL );
 691     wxScrollBar *sbV = ((wxWindow *) this)->GetScrollbar( wxVERTICAL );
 692     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 693     while ( node )
 694     {
 695         // Only propagate to non-top-level windows
 696         wxWindow *win = node->GetData();
 697         if ( win->GetParent() && win != sbH && win != sbV )
 698         {
 699             wxPoint pos = win->GetPosition();
 700             // Add the delta to the old Position
 701             pos.x += dx;
 702             pos.y += dy;
 703             win->SetPosition(pos);
 704         }
 705         node = node->GetNext();
 706     }
 707 }
 708
 709 // ---------------------------------------------------------------------------
 710 // drag and drop
 711 // ---------------------------------------------------------------------------
 712
 713 #if wxUSE_DRAG_AND_DROP
 714
 715 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 716 {
 717     // TODO
 718 }
 719
 720 #endif
 721
 722 // Old style file-manager drag&drop
 723 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 724 {
 725     // TODO
 726 }
 727
 728 // ----------------------------------------------------------------------------
 729 // tooltips
 730 // ----------------------------------------------------------------------------
 731
 732 #if wxUSE_TOOLTIPS
 733
 734 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 735 {
 736     // TODO
 737 }
 738
 739 #endif // wxUSE_TOOLTIPS
 740
 741 // ---------------------------------------------------------------------------
 742 // moving and resizing
 743 // ---------------------------------------------------------------------------
 744
 745 bool wxWindowX11::PreResize()
 746 {
 747     return true;
 748 }
 749
 750 // Get total size
 751 void wxWindowX11::DoGetSize(int *x, int *y) const
 752 {
 753     Window xwindow = (Window) m_mainWindow;
 754
 755     wxCHECK_RET( xwindow, wxT("invalid window") );
 756
 757     //XSync(wxGlobalDisplay(), False);
 758
 759     XWindowAttributes attr;
 760     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 761     wxASSERT(status);
 762
 763     if (status)
 764     {
 765         *x = attr.width /* + 2*m_borderSize */ ;
 766         *y = attr.height /* + 2*m_borderSize */ ;
 767     }
 768 }
 769
 770 void wxWindowX11::DoGetPosition(int *x, int *y) const
 771 {
 772     Window window = (Window) m_mainWindow;
 773     if (window)
 774     {
 775         //XSync(wxGlobalDisplay(), False);
 776         XWindowAttributes attr;
 777         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 778         wxASSERT(status);
 779
 780         if (status)
 781         {
 782             *x = attr.x;
 783             *y = attr.y;
 784
 785             // We may be faking the client origin. So a window that's really at (0, 30)
 786             // may appear (to wxWin apps) to be at (0, 0).
 787             if (GetParent())
 788             {
 789                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 790                 *x -= pt.x;
 791                 *y -= pt.y;
 792             }
 793         }
 794     }
 795 }
 796
 797 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 798 {
 799     Display *display = wxGlobalDisplay();
 800     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 801     Window thisWindow = (Window) m_clientWindow;
 802
 803     Window childWindow;
 804     int xx = *x;
 805     int yy = *y;
 806     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 807 }
 808
 809 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 810 {
 811     Display *display = wxGlobalDisplay();
 812     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 813     Window thisWindow = (Window) m_clientWindow;
 814
 815     Window childWindow;
 816     int xx = *x;
 817     int yy = *y;
 818     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 819 }
 820
 821
 822 // Get size *available for subwindows* i.e. excluding menu bar etc.
 823 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 824 {
 825     Window window = (Window) m_mainWindow;
 826
 827     if (window)
 828     {
 829         XWindowAttributes attr;
 830         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 831         wxASSERT(status);
 832
 833         if (status)
 834         {
 835             *x = attr.width ;
 836             *y = attr.height ;
 837         }
 838     }
 839 }
 840
 841 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 842 {
 843     //    wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 844
 845     Window xwindow = (Window) m_mainWindow;
 846
 847     wxCHECK_RET( xwindow, wxT("invalid window") );
 848
 849     XWindowAttributes attr;
 850     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 851     wxCHECK_RET( status, wxT("invalid window attributes") );
 852
 853     int new_x = attr.x;
 854     int new_y = attr.y;
 855     int new_w = attr.width;
 856     int new_h = attr.height;
 857
 858     if (x != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 859     {
 860         int yy = 0;
 861         AdjustForParentClientOrigin( x, yy, sizeFlags);
 862         new_x = x;
 863     }
 864     if (y != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 865     {
 866         int xx = 0;
 867         AdjustForParentClientOrigin( xx, y, sizeFlags);
 868         new_y = y;
 869     }
 870     if (width != wxDefaultCoord)
 871     {
 872         new_w = width;
 873         if (new_w <= 0)
 874             new_w = 20;
 875     }
 876     if (height != wxDefaultCoord)
 877     {
 878         new_h = height;
 879         if (new_h <= 0)
 880             new_h = 20;
 881     }
 882
 883     DoMoveWindow( new_x, new_y, new_w, new_h );
 884 }
 885
 886 void wxWindowX11::DoSetClientSize(int width, int height)
 887 {
 888     //    wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 889
 890     Window xwindow = (Window) m_mainWindow;
 891
 892     wxCHECK_RET( xwindow, wxT("invalid window") );
 893
 894     XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 895
 896     if (m_mainWindow != m_clientWindow)
 897     {
 898         xwindow = (Window) m_clientWindow;
 899
 900         wxWindow *window = (wxWindow*) this;
 901         wxRenderer *renderer = window->GetRenderer();
 902         if (renderer)
 903         {
 904             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 905             width -= border.x + border.width;
 906             height -= border.y + border.height;
 907         }
 908
 909         XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 910     }
 911 }
 912
 913 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 914 {
 915     Window xwindow = (Window) m_mainWindow;
 916
 917     wxCHECK_RET( xwindow, wxT("invalid window") );
 918
 919 #if !wxUSE_NANOX
 920
 921     XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, width, height );
 922     if (m_mainWindow != m_clientWindow)
 923     {
 924         xwindow = (Window) m_clientWindow;
 925
 926         wxWindow *window = (wxWindow*) this;
 927         wxRenderer *renderer = window->GetRenderer();
 928         if (renderer)
 929         {
 930             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 931             x = border.x;
 932             y = border.y;
 933             width -= border.x + border.width;
 934             height -= border.y + border.height;
 935         }
 936         else
 937         {
 938             x = 0;
 939             y = 0;
 940         }
 941
 942         wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
 943         if (sb && sb->IsShown())
 944         {
 945             wxSize size = sb->GetSize();
 946             height -= size.y;
 947         }
 948         sb = window->GetScrollbar( wxVERTICAL );
 949         if (sb && sb->IsShown())
 950         {
 951             wxSize size = sb->GetSize();
 952             width -= size.x;
 953         }
 954
 955         XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, wxMax(1, width), wxMax(1, height) );
 956     }
 957
 958 #else
 959
 960     XWindowChanges windowChanges;
 961     windowChanges.x = x;
 962     windowChanges.y = y;
 963     windowChanges.width = width;
 964     windowChanges.height = height;
 965     windowChanges.stack_mode = 0;
 966     int valueMask = CWX | CWY | CWWidth | CWHeight;
 967
 968     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 969
 970 #endif
 971 }
 972
 973 void wxWindowX11::DoSetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 974 {
 975     m_minWidth = minW;
 976     m_minHeight = minH;
 977     m_maxWidth = maxW;
 978     m_maxHeight = maxH;
 979
 980 #if !wxUSE_NANOX
 981     XSizeHints sizeHints;
 982     sizeHints.flags = 0;
 983
 984     if (minW > -1 && minH > -1)
 985     {
 986         sizeHints.flags |= PMinSize;
 987         sizeHints.min_width = minW;
 988         sizeHints.min_height = minH;
 989     }
 990     if (maxW > -1 && maxH > -1)
 991     {
 992         sizeHints.flags |= PMaxSize;
 993         sizeHints.max_width = maxW;
 994         sizeHints.max_height = maxH;
 995     }
 996     if (incW > -1 && incH > -1)
 997     {
 998         sizeHints.flags |= PResizeInc;
 999         sizeHints.width_inc = incW;
1000         sizeHints.height_inc = incH;
1001     }
1002
1003     XSetWMNormalHints(wxGlobalDisplay(), (Window) m_mainWindow, &sizeHints );
1004 #endif
1005 }
1006
1007 // ---------------------------------------------------------------------------
1008 // text metrics
1009 // ---------------------------------------------------------------------------
1010
1011 int wxWindowX11::GetCharHeight() const
1012 {
1013     wxFont font(GetFont());
1014     wxCHECK_MSG( font.Ok(), 0, wxT("valid window font needed") );
1015
1016 #if wxUSE_UNICODE
1017     // There should be an easier way.
1018     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1019     pango_layout_set_font_description( layout, font.GetNativeFontInfo()->description );
1020     pango_layout_set_text(layout, "H", 1 );
1021     int w,h;
1022     pango_layout_get_pixel_size(layout, &w, &h);
1023     g_object_unref( G_OBJECT( layout ) );
1024
1025     return h;
1026 #else
1027     WXFontStructPtr pFontStruct = font.GetFontStruct(1.0, wxGlobalDisplay());
1028
1029     int direction, ascent, descent;
1030     XCharStruct overall;
1031     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1032         &descent, &overall);
1033
1034     //  return (overall.ascent + overall.descent);
1035     return (ascent + descent);
1036 #endif
1037 }
1038
1039 int wxWindowX11::GetCharWidth() const
1040 {
1041     wxFont font(GetFont());
1042     wxCHECK_MSG( font.Ok(), 0, wxT("valid window font needed") );
1043
1044 #if wxUSE_UNICODE
1045     // There should be an easier way.
1046     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1047     pango_layout_set_font_description( layout, font.GetNativeFontInfo()->description );
1048     pango_layout_set_text(layout, "H", 1 );
1049     int w,h;
1050     pango_layout_get_pixel_size(layout, &w, &h);
1051     g_object_unref( G_OBJECT( layout ) );
1052
1053     return w;
1054 #else
1055     WXFontStructPtr pFontStruct = font.GetFontStruct(1.0, wxGlobalDisplay());
1056
1057     int direction, ascent, descent;
1058     XCharStruct overall;
1059     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1060         &descent, &overall);
1061
1062     return overall.width;
1063 #endif
1064 }
1065
1066 void wxWindowX11::GetTextExtent(const wxString& string,
1067                                 int *x, int *y,
1068                                 int *descent, int *externalLeading,
1069                                 const wxFont *theFont) const
1070 {
1071     wxFont fontToUse = GetFont();
1072     if (theFont) fontToUse = *theFont;
1073
1074     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
1075
1076     if (string.empty())
1077     {
1078         if (x) (*x) = 0;
1079         if (y) (*y) = 0;
1080         return;
1081     }
1082
1083 #if wxUSE_UNICODE
1084     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1085
1086     PangoFontDescription *desc = fontToUse.GetNativeFontInfo()->description;
1087     pango_layout_set_font_description(layout, desc);
1088
1089     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1090     pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1091
1092     PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
1093
1094
1095     PangoRectangle rect;
1096     pango_layout_line_get_extents(line, NULL, &rect);
1097
1098     if (x) (*x) = (wxCoord) (rect.width / PANGO_SCALE);
1099     if (y) (*y) = (wxCoord) (rect.height / PANGO_SCALE);
1100     if (descent)
1101     {
1102         // Do something about metrics here
1103         (*descent) = 0;
1104     }
1105     if (externalLeading) (*externalLeading) = 0;  // ??
1106
1107     g_object_unref( G_OBJECT( layout ) );
1108 #else
1109     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, wxGlobalDisplay());
1110
1111     int direction, ascent, descent2;
1112     XCharStruct overall;
1113     int slen = string.Len();
1114
1115     XTextExtents((XFontStruct*) pFontStruct, (char*) string.c_str(), slen,
1116                  &direction, &ascent, &descent2, &overall);
1117
1118     if ( x )
1119         *x = (overall.width);
1120     if ( y )
1121         *y = (ascent + descent2);
1122     if (descent)
1123         *descent = descent2;
1124     if (externalLeading)
1125         *externalLeading = 0;
1126 #endif
1127 }
1128
1129 // ----------------------------------------------------------------------------
1130 // painting
1131 // ----------------------------------------------------------------------------
1132
1133 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
1134 {
1135     if (eraseBack)
1136     {
1137         if (rect)
1138         {
1139             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1140             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
1141         }
1142         else
1143         {
1144             int height,width;
1145             GetSize( &width, &height );
1146
1147             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1148             m_clearRegion.Clear();
1149             m_clearRegion.Union( 0, 0, width, height );
1150         }
1151     }
1152
1153     if (rect)
1154     {
1155          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1156          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
1157     }
1158     else
1159     {
1160         int height,width;
1161         GetSize( &width, &height );
1162
1163         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1164         m_updateRegion.Clear();
1165         m_updateRegion.Union( 0, 0, width, height );
1166     }
1167 }
1168
1169 void wxWindowX11::Update()
1170 {
1171     if (m_updateNcArea)
1172     {
1173         // wxLogDebug("wxWindowX11::UpdateNC: %s", GetClassInfo()->GetClassName());
1174         // Send nc paint events.
1175         SendNcPaintEvents();
1176     }
1177
1178     if (!m_updateRegion.IsEmpty())
1179     {
1180         // wxLogDebug("wxWindowX11::Update: %s", GetClassInfo()->GetClassName());
1181         // Actually send erase events.
1182         SendEraseEvents();
1183
1184         // Actually send paint events.
1185         SendPaintEvents();
1186     }
1187 }
1188
1189 void wxWindowX11::SendEraseEvents()
1190 {
1191     if (m_clearRegion.IsEmpty()) return;
1192
1193     wxClientDC dc( (wxWindow*)this );
1194     dc.SetClippingRegion( m_clearRegion );
1195
1196     wxEraseEvent erase_event( GetId(), &dc );
1197     erase_event.SetEventObject( this );
1198
1199     if (!GetEventHandler()->ProcessEvent(erase_event) )
1200     {
1201         Display *xdisplay = wxGlobalDisplay();
1202         Window xwindow = (Window) GetClientAreaWindow();
1203         XSetForeground( xdisplay, g_eraseGC, m_backgroundColour.GetPixel() );
1204
1205         wxRegionIterator upd( m_clearRegion );
1206         while (upd)
1207         {
1208             XFillRectangle( xdisplay, xwindow, g_eraseGC,
1209                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1210             upd ++;
1211         }
1212     }
1213
1214     m_clearRegion.Clear();
1215 }
1216
1217 void wxWindowX11::SendPaintEvents()
1218 {
1219     //    wxLogDebug("SendPaintEvents: %s (%ld)", GetClassInfo()->GetClassName(), GetId());
1220
1221     m_clipPaintRegion = true;
1222
1223     wxPaintEvent paint_event( GetId() );
1224     paint_event.SetEventObject( this );
1225     GetEventHandler()->ProcessEvent( paint_event );
1226
1227     m_updateRegion.Clear();
1228
1229     m_clipPaintRegion = false;
1230 }
1231
1232 void wxWindowX11::SendNcPaintEvents()
1233 {
1234     wxWindow *window = (wxWindow*) this;
1235
1236     // All this for drawing the small square between the scrollbars.
1237     int width = 0;
1238     int height = 0;
1239     int x = 0;
1240     int y = 0;
1241     wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
1242     if (sb && sb->IsShown())
1243     {
1244         height = sb->GetSize().y;
1245         y = sb->GetPosition().y;
1246
1247         sb = window->GetScrollbar( wxVERTICAL );
1248         if (sb && sb->IsShown())
1249         {
1250             width = sb->GetSize().x;
1251             x = sb->GetPosition().x;
1252
1253             Display *xdisplay = wxGlobalDisplay();
1254             Window xwindow = (Window) GetMainWindow();
1255             Colormap cm = (Colormap) wxTheApp->GetMainColormap( wxGetDisplay() );
1256             wxColour colour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
1257             colour.CalcPixel( (WXColormap) cm );
1258
1259             XSetForeground( xdisplay, g_eraseGC, colour.GetPixel() );
1260
1261             XFillRectangle( xdisplay, xwindow, g_eraseGC, x, y, width, height );
1262         }
1263     }
1264
1265     wxNcPaintEvent nc_paint_event( GetId() );
1266     nc_paint_event.SetEventObject( this );
1267     GetEventHandler()->ProcessEvent( nc_paint_event );
1268
1269     m_updateNcArea = false;
1270 }
1271
1272 // ----------------------------------------------------------------------------
1273 // event handlers
1274 // ----------------------------------------------------------------------------
1275
1276 // Responds to colour changes: passes event on to children.
1277 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1278 {
1279     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1280     while ( node )
1281     {
1282         // Only propagate to non-top-level windows
1283         wxWindow *win = node->GetData();
1284         if ( win->GetParent() )
1285         {
1286             wxSysColourChangedEvent event2;
1287             event.SetEventObject(win);
1288             win->GetEventHandler()->ProcessEvent(event2);
1289         }
1290
1291         node = node->GetNext();
1292     }
1293 }
1294
1295 // See handler for InFocus case in app.cpp for details.
1296 wxWindow* g_GettingFocus = NULL;
1297
1298 void wxWindowX11::OnInternalIdle()
1299 {
1300     // Update invalidated regions.
1301     Update();
1302
1303     // This calls the UI-update mechanism (querying windows for
1304     // menu/toolbar/control state information)
1305     if (wxUpdateUIEvent::CanUpdate((wxWindow*) this))
1306         UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1307
1308     // Set the input focus if couldn't do it before
1309     if (m_needsInputFocus)
1310     {
1311 #if 0
1312         wxString msg;
1313         msg.Printf("Setting focus for %s from OnInternalIdle\n", GetClassInfo()->GetClassName());
1314         printf(msg.c_str());
1315 #endif
1316         SetFocus();
1317
1318         // If it couldn't set the focus now, there's
1319         // no point in trying again.
1320         m_needsInputFocus = false;
1321     }
1322     g_GettingFocus = NULL;
1323 }
1324
1325 // ----------------------------------------------------------------------------
1326 // function which maintain the global hash table mapping Widgets to wxWidgets
1327 // ----------------------------------------------------------------------------
1328
1329 static bool DoAddWindowToTable(wxWindowHash *hash, Window w, wxWindow *win)
1330 {
1331     if ( !hash->insert(wxWindowHash::value_type(w, win)).second )
1332     {
1333         wxLogDebug( wxT("Widget table clash: new widget is 0x%08x, %s"),
1334                     (unsigned int)w, win->GetClassInfo()->GetClassName());
1335         return false;
1336     }
1337
1338     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
1339                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1340
1341     return true;
1342 }
1343
1344 static inline wxWindow *DoGetWindowFromTable(wxWindowHash *hash, Window w)
1345 {
1346     wxWindowHash::iterator i = hash->find(w);
1347     return i == hash->end() ? NULL : i->second;
1348 }
1349
1350 static inline void DoDeleteWindowFromTable(wxWindowHash *hash, Window w)
1351 {
1352     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x deleted"), (unsigned int) w);
1353
1354     hash->erase(w);
1355 }
1356
1357 // ----------------------------------------------------------------------------
1358 // public wrappers
1359 // ----------------------------------------------------------------------------
1360
1361 bool wxAddWindowToTable(Window w, wxWindow *win)
1362 {
1363     return DoAddWindowToTable(wxWidgetHashTable, w, win);
1364 }
1365
1366 wxWindow *wxGetWindowFromTable(Window w)
1367 {
1368     return DoGetWindowFromTable(wxWidgetHashTable, w);
1369 }
1370
1371 void wxDeleteWindowFromTable(Window w)
1372 {
1373     DoDeleteWindowFromTable(wxWidgetHashTable, w);
1374 }
1375
1376 bool wxAddClientWindowToTable(Window w, wxWindow *win)
1377 {
1378     return DoAddWindowToTable(wxClientWidgetHashTable, w, win);
1379 }
1380
1381 wxWindow *wxGetClientWindowFromTable(Window w)
1382 {
1383     return DoGetWindowFromTable(wxClientWidgetHashTable, w);
1384 }
1385
1386 void wxDeleteClientWindowFromTable(Window w)
1387 {
1388     DoDeleteWindowFromTable(wxClientWidgetHashTable, w);
1389 }
1390
1391 // ----------------------------------------------------------------------------
1392 // X11-specific accessors
1393 // ----------------------------------------------------------------------------
1394
1395 WXWindow wxWindowX11::GetMainWindow() const
1396 {
1397     return m_mainWindow;
1398 }
1399
1400 WXWindow wxWindowX11::GetClientAreaWindow() const
1401 {
1402     return m_clientWindow;
1403 }
1404
1405 // ----------------------------------------------------------------------------
1406 // TranslateXXXEvent() functions
1407 // ----------------------------------------------------------------------------
1408
1409 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1410 {
1411     switch (XEventGetType(xevent))
1412     {
1413         case EnterNotify:
1414         case LeaveNotify:
1415         case ButtonPress:
1416         case ButtonRelease:
1417         case MotionNotify:
1418         {
1419             wxEventType eventType = wxEVT_NULL;
1420
1421             if (XEventGetType(xevent) == EnterNotify)
1422             {
1423                 //if (local_event.xcrossing.mode!=NotifyNormal)
1424                 //  return ; // Ignore grab events
1425                 eventType = wxEVT_ENTER_WINDOW;
1426                 //            canvas->GetEventHandler()->OnSetFocus();
1427             }
1428             else if (XEventGetType(xevent) == LeaveNotify)
1429             {
1430                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1431                 //  return ; // Ignore grab events
1432                 eventType = wxEVT_LEAVE_WINDOW;
1433                 //            canvas->GetEventHandler()->OnKillFocus();
1434             }
1435             else if (XEventGetType(xevent) == MotionNotify)
1436             {
1437                 eventType = wxEVT_MOTION;
1438             }
1439             else if (XEventGetType(xevent) == ButtonPress)
1440             {
1441                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1442                 int button = 0;
1443                 if (XButtonEventLChanged(xevent))
1444                 {
1445                     eventType = wxEVT_LEFT_DOWN;
1446                     button = 1;
1447                 }
1448                 else if (XButtonEventMChanged(xevent))
1449                 {
1450                     eventType = wxEVT_MIDDLE_DOWN;
1451                     button = 2;
1452                 }
1453                 else if (XButtonEventRChanged(xevent))
1454                 {
1455                     eventType = wxEVT_RIGHT_DOWN;
1456                     button = 3;
1457                 }
1458
1459                 // check for a double click
1460                 // TODO: where can we get this value from?
1461                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1462                 long dclickTime = 200;
1463                 long ts = wxevent.GetTimestamp();
1464
1465                 int buttonLast = win->GetLastClickedButton();
1466                 long lastTS = win->GetLastClickTime();
1467                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1468                 {
1469                     // I have a dclick
1470                     win->SetLastClick(0, ts);
1471                     if ( eventType == wxEVT_LEFT_DOWN )
1472                         eventType = wxEVT_LEFT_DCLICK;
1473                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1474                         eventType = wxEVT_MIDDLE_DCLICK;
1475                     else if ( eventType == wxEVT_RIGHT_DOWN )
1476                         eventType = wxEVT_RIGHT_DCLICK;
1477                 }
1478                 else
1479                 {
1480                     // not fast enough or different button
1481                     win->SetLastClick(button, ts);
1482                 }
1483             }
1484             else if (XEventGetType(xevent) == ButtonRelease)
1485             {
1486                 if (XButtonEventLChanged(xevent))
1487                 {
1488                     eventType = wxEVT_LEFT_UP;
1489                 }
1490                 else if (XButtonEventMChanged(xevent))
1491                 {
1492                     eventType = wxEVT_MIDDLE_UP;
1493                 }
1494                 else if (XButtonEventRChanged(xevent))
1495                 {
1496                     eventType = wxEVT_RIGHT_UP;
1497                 }
1498                 else return false;
1499             }
1500             else
1501             {
1502                 return false;
1503             }
1504
1505             wxevent.SetEventType(eventType);
1506
1507             wxevent.m_x = XButtonEventGetX(xevent);
1508             wxevent.m_y = XButtonEventGetY(xevent);
1509
1510             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1511                 || (XButtonEventLIsDown(xevent)
1512                 && (eventType != wxEVT_LEFT_UP)));
1513             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1514                 || (XButtonEventMIsDown(xevent)
1515                 && (eventType != wxEVT_MIDDLE_UP)));
1516             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1517                 || (XButtonEventRIsDown (xevent)
1518                 && (eventType != wxEVT_RIGHT_UP)));
1519
1520             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1521             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1522             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1523             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1524
1525             wxevent.SetId(win->GetId());
1526             wxevent.SetEventObject(win);
1527
1528             return true;
1529         }
1530     }
1531     return false;
1532 }
1533
1534 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent, bool isAscii)
1535 {
1536     switch (XEventGetType(xevent))
1537     {
1538     case KeyPress:
1539     case KeyRelease:
1540         {
1541             char buf[20];
1542
1543             KeySym keySym;
1544             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1545             int id = wxCharCodeXToWX (keySym);
1546             // id may be WXK_xxx code - these are outside ASCII range, so we
1547             // can't just use toupper() on id.
1548             // Only change this if we want the raw key that was pressed,
1549             // and don't change it if we want an ASCII value.
1550             if (!isAscii && (id >= 'a' && id <= 'z'))
1551             {
1552                 id = id + 'A' - 'a';
1553             }
1554
1555             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1556             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1557             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1558             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1559             wxevent.SetEventObject(win);
1560             wxevent.m_keyCode = id;
1561             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1562
1563             wxevent.m_x = XKeyEventGetX(xevent);
1564             wxevent.m_y = XKeyEventGetY(xevent);
1565
1566             return id > -1;
1567         }
1568     default:
1569         break;
1570     }
1571     return false;
1572 }
1573
1574 // ----------------------------------------------------------------------------
1575 // Colour stuff
1576 // ----------------------------------------------------------------------------
1577
1578 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1579 {
1580     wxWindowBase::SetBackgroundColour(col);
1581
1582     Display *xdisplay = (Display*) wxGlobalDisplay();
1583     int xscreen = DefaultScreen( xdisplay );
1584     Colormap cm = DefaultColormap( xdisplay, xscreen );
1585
1586     m_backgroundColour.CalcPixel( (WXColormap) cm );
1587
1588     // We don't set the background colour as we paint
1589     // the background ourselves.
1590     // XSetWindowBackground( xdisplay, (Window) m_clientWindow, m_backgroundColour.GetPixel() );
1591
1592     return true;
1593 }
1594
1595 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1596 {
1597     if ( !wxWindowBase::SetForegroundColour(col) )
1598         return false;
1599
1600     return true;
1601 }
1602
1603 // ----------------------------------------------------------------------------
1604 // global functions
1605 // ----------------------------------------------------------------------------
1606
1607 wxWindow *wxGetActiveWindow()
1608 {
1609     // TODO
1610     wxFAIL_MSG(wxT("Not implemented"));
1611     return NULL;
1612 }
1613
1614 /* static */
1615 wxWindow *wxWindowBase::GetCapture()
1616 {
1617     return (wxWindow *)g_captureWindow;
1618 }
1619
1620
1621 // Find the wxWindow at the current mouse position, returning the mouse
1622 // position.
1623 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1624 {
1625     return wxFindWindowAtPoint(wxGetMousePosition());
1626 }
1627
1628 // Get the current mouse position.
1629 wxPoint wxGetMousePosition()
1630 {
1631 #if wxUSE_NANOX
1632     /* TODO */
1633     return wxPoint(0, 0);
1634 #else
1635     Display *display = wxGlobalDisplay();
1636     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1637     Window rootReturn, childReturn;
1638     int rootX, rootY, winX, winY;
1639     unsigned int maskReturn;
1640
1641     XQueryPointer (display,
1642                    rootWindow,
1643                    &rootReturn,
1644                    &childReturn,
1645                    &rootX, &rootY, &winX, &winY, &maskReturn);
1646     return wxPoint(rootX, rootY);
1647 #endif
1648 }
1649
1650
1651 // ----------------------------------------------------------------------------
1652 // wxNoOptimize: switch off size optimization
1653 // ----------------------------------------------------------------------------
1654
1655 int wxNoOptimize::ms_count = 0;
1656
1657
1658 // ----------------------------------------------------------------------------
1659 // wxDCModule
1660 // ----------------------------------------------------------------------------
1661
1662 class wxWinModule : public wxModule
1663 {
1664 public:
1665     bool OnInit();
1666     void OnExit();
1667
1668 private:
1669     DECLARE_DYNAMIC_CLASS(wxWinModule)
1670 };
1671
1672 IMPLEMENT_DYNAMIC_CLASS(wxWinModule, wxModule)
1673
1674 bool wxWinModule::OnInit()
1675 {
1676     Display *xdisplay = wxGlobalDisplay();
1677     int xscreen = DefaultScreen( xdisplay );
1678     Window xroot = RootWindow( xdisplay, xscreen );
1679     g_eraseGC = XCreateGC( xdisplay, xroot, 0, NULL );
1680     XSetFillStyle( xdisplay, g_eraseGC, FillSolid );
1681
1682     return true;
1683 }
1684
1685 void wxWinModule::OnExit()
1686 {
1687     Display *xdisplay = wxGlobalDisplay();
1688     XFreeGC( xdisplay, g_eraseGC );
1689 }