src/x11/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/x11/window.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/window.h"
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/hash.h"
  31     #include "wx/log.h"
  32     #include "wx/app.h"
  33     #include "wx/utils.h"
  34     #include "wx/panel.h"
  35     #include "wx/frame.h"
  36     #include "wx/dc.h"
  37     #include "wx/dcclient.h"
  38     #include "wx/button.h"
  39     #include "wx/menu.h"
  40     #include "wx/dialog.h"
  41     #include "wx/timer.h"
  42     #include "wx/settings.h"
  43     #include "wx/msgdlg.h"
  44     #include "wx/scrolbar.h"
  45     #include "wx/listbox.h"
  46     #include "wx/scrolwin.h"
  47     #include "wx/layout.h"
  48     #include "wx/menuitem.h"
  49     #include "wx/module.h"
  50 #endif
  51
  52 #include "wx/fontutil.h"
  53 #include "wx/univ/renderer.h"
  54
  55 #if  wxUSE_DRAG_AND_DROP
  56     #include "wx/dnd.h"
  57 #endif
  58
  59 #include "wx/x11/private.h"
  60 #include "X11/Xutil.h"
  61
  62 #include <string.h>
  63
  64 // ----------------------------------------------------------------------------
  65 // global variables for this module
  66 // ----------------------------------------------------------------------------
  67
  68 static wxWindow* g_captureWindow = NULL;
  69 static GC g_eraseGC;
  70
  71 // ----------------------------------------------------------------------------
  72 // macros
  73 // ----------------------------------------------------------------------------
  74
  75 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  76 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  77 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  78
  79 // ----------------------------------------------------------------------------
  80 // event tables
  81 // ----------------------------------------------------------------------------
  82
  83 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  84
  85 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  86     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  87 END_EVENT_TABLE()
  88
  89 // ============================================================================
  90 // implementation
  91 // ============================================================================
  92
  93 // ----------------------------------------------------------------------------
  94 // helper functions
  95 // ----------------------------------------------------------------------------
  96
  97 // ----------------------------------------------------------------------------
  98 // constructors
  99 // ----------------------------------------------------------------------------
 100
 101 void wxWindowX11::Init()
 102 {
 103     // X11-specific
 104     m_mainWindow = (WXWindow) 0;
 105     m_clientWindow = (WXWindow) 0;
 106     m_insertIntoMain = false;
 107     m_updateNcArea = false;
 108
 109     m_winCaptured = false;
 110     m_needsInputFocus = false;
 111     m_isShown = true;
 112     m_lastTS = 0;
 113     m_lastButton = 0;
 114 }
 115
 116 // real construction (Init() must have been called before!)
 117 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 118                          const wxPoint& pos,
 119                          const wxSize& size,
 120                          long style,
 121                          const wxString& name)
 122 {
 123     wxCHECK_MSG( parent, false, wxT("can't create wxWindow without parent") );
 124
 125     // Get default border
 126     wxBorder border = GetBorder(style);
 127     style &= ~wxBORDER_MASK;
 128     style |= border;
 129
 130     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 131
 132     parent->AddChild(this);
 133
 134     Display *xdisplay = (Display*) wxGlobalDisplay();
 135     int xscreen = DefaultScreen( xdisplay );
 136     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 137     Colormap cm = DefaultColormap( xdisplay, xscreen );
 138
 139     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 140     m_backgroundColour.CalcPixel( (WXColormap) cm );
 141
 142     m_foregroundColour = *wxBLACK;
 143     m_foregroundColour.CalcPixel( (WXColormap) cm );
 144
 145     Window xparent = (Window) parent->GetClientAreaWindow();
 146
 147     // Add window's own scrollbars to main window, not to client window
 148     if (parent->GetInsertIntoMain())
 149     {
 150         // wxLogDebug( "Inserted into main: %s", GetName().c_str() );
 151         xparent = (Window) parent->GetMainWindow();
 152     }
 153
 154     // Size (not including the border) must be nonzero (or a Value error results)!
 155     // Note: The Xlib manual doesn't mention this restriction of XCreateWindow.
 156     wxSize size2(size);
 157     if (size2.x <= 0)
 158         size2.x = 20;
 159     if (size2.y <= 0)
 160         size2.y = 20;
 161
 162     wxPoint pos2(pos);
 163     if (pos2.x == wxDefaultCoord)
 164         pos2.x = 0;
 165     if (pos2.y == wxDefaultCoord)
 166         pos2.y = 0;
 167
 168     AdjustForParentClientOrigin(pos2.x, pos2.y);
 169
 170 #if wxUSE_TWO_WINDOWS
 171     bool need_two_windows =
 172         ((( wxSUNKEN_BORDER | wxBORDER_THEME | wxRAISED_BORDER | wxSIMPLE_BORDER | wxHSCROLL | wxVSCROLL ) & m_windowStyle) != 0);
 173 #else
 174     bool need_two_windows = false;
 175 #endif
 176
 177 #if wxUSE_NANOX
 178     long xattributes = 0;
 179 #else
 180     XSetWindowAttributes xattributes;
 181     long xattributes_mask = 0;
 182
 183     xattributes_mask |= CWBackPixel;
 184     xattributes.background_pixel = m_backgroundColour.GetPixel();
 185
 186     xattributes_mask |= CWBorderPixel;
 187     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 188
 189     xattributes_mask |= CWEventMask;
 190 #endif
 191
 192     if (need_two_windows)
 193     {
 194 #if wxUSE_NANOX
 195         long backColor, foreColor;
 196         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 197         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 198
 199         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 200                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 201         XSelectInput( xdisplay, xwindow,
 202           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 203           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 204           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 205                       PropertyChangeMask );
 206
 207 #else
 208         // Normal X11
 209         xattributes.event_mask =
 210             ExposureMask | StructureNotifyMask | ColormapChangeMask;
 211
 212         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 213             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 214
 215 #endif
 216
 217         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 218
 219         m_mainWindow = (WXWindow) xwindow;
 220         wxAddWindowToTable( xwindow, (wxWindow*) this );
 221
 222         XMapWindow( xdisplay, xwindow );
 223
 224 #if !wxUSE_NANOX
 225         xattributes.event_mask =
 226             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 227             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 228             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 229             PropertyChangeMask | VisibilityChangeMask ;
 230
 231         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 232         {
 233             xattributes_mask |= CWBitGravity;
 234             xattributes.bit_gravity = StaticGravity;
 235         }
 236 #endif
 237
 238         if (HasFlag(wxSUNKEN_BORDER) || HasFlag(wxRAISED_BORDER) || HasFlag(wxBORDER_THEME))
 239         {
 240             pos2.x = 2;
 241             pos2.y = 2;
 242             size2.x -= 4;
 243             size2.y -= 4;
 244         }
 245         else if (HasFlag( wxSIMPLE_BORDER ))
 246         {
 247             pos2.x = 1;
 248             pos2.y = 1;
 249             size2.x -= 2;
 250             size2.y -= 2;
 251         }
 252         else
 253         {
 254             pos2.x = 0;
 255             pos2.y = 0;
 256         }
 257
 258         // Make again sure the size is nonzero.
 259         if (size2.x <= 0)
 260             size2.x = 1;
 261         if (size2.y <= 0)
 262             size2.y = 1;
 263
 264 #if wxUSE_NANOX
 265         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 266         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 267
 268         xwindow = XCreateWindowWithColor( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 269                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 270         XSelectInput( xdisplay, xwindow,
 271           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 272           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 273           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 274                       PropertyChangeMask );
 275
 276 #else
 277         xwindow = XCreateWindow( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 278             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 279 #endif
 280
 281         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 282
 283         m_clientWindow = (WXWindow) xwindow;
 284         wxAddClientWindowToTable( xwindow, (wxWindow*) this );
 285
 286         XMapWindow( xdisplay, xwindow );
 287     }
 288     else
 289     {
 290         // wxLogDebug( "No two windows needed %s", GetName().c_str() );
 291 #if wxUSE_NANOX
 292         long backColor, foreColor;
 293         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 294         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 295
 296         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 297                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 298         XSelectInput( xdisplay, xwindow,
 299           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 300           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 301           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 302                       PropertyChangeMask );
 303
 304 #else
 305         xattributes.event_mask =
 306             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 307             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 308             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 309             PropertyChangeMask | VisibilityChangeMask ;
 310
 311         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 312         {
 313             xattributes_mask |= CWBitGravity;
 314             xattributes.bit_gravity = NorthWestGravity;
 315         }
 316
 317         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 318             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 319 #endif
 320
 321         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 322
 323         m_mainWindow = (WXWindow) xwindow;
 324         m_clientWindow = m_mainWindow;
 325         wxAddWindowToTable( xwindow, (wxWindow*) this );
 326
 327         XMapWindow( xdisplay, xwindow );
 328     }
 329
 330     // Is a subwindow, so map immediately
 331     m_isShown = true;
 332
 333     // Without this, the cursor may not be restored properly (e.g. in splitter
 334     // sample).
 335     SetCursor(*wxSTANDARD_CURSOR);
 336     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 337
 338     // Don't call this, it can have nasty repercussions for composite controls,
 339     // for example
 340     //    SetSize(pos.x, pos.y, size.x, size.y);
 341
 342     return true;
 343 }
 344
 345 // Destructor
 346 wxWindowX11::~wxWindowX11()
 347 {
 348     SendDestroyEvent();
 349
 350     if (g_captureWindow == this)
 351         g_captureWindow = NULL;
 352
 353     DestroyChildren();
 354
 355     if (m_clientWindow != m_mainWindow)
 356     {
 357         // Destroy the cleint window
 358         Window xwindow = (Window) m_clientWindow;
 359         wxDeleteClientWindowFromTable( xwindow );
 360         XDestroyWindow( wxGlobalDisplay(), xwindow );
 361         m_clientWindow = NULL;
 362     }
 363
 364     // Destroy the window
 365     if ( m_mainWindow )
 366     {
 367         Window xwindow = (Window) m_mainWindow;
 368         wxDeleteWindowFromTable( xwindow );
 369         XDestroyWindow( wxGlobalDisplay(), xwindow );
 370         m_mainWindow = NULL;
 371     }
 372 }
 373
 374 // ---------------------------------------------------------------------------
 375 // basic operations
 376 // ---------------------------------------------------------------------------
 377
 378 void wxWindowX11::SetFocus()
 379 {
 380     Window xwindow = (Window) m_clientWindow;
 381
 382     wxCHECK_RET( xwindow, wxT("invalid window") );
 383
 384     // Don't assert; we might be trying to set the focus for a panel
 385     // with only static controls, so the panel returns false from AcceptsFocus.
 386     // The app should be not be expected to deal with this.
 387     if (!AcceptsFocus())
 388         return;
 389
 390 #if 0
 391     if (GetName() == "scrollBar")
 392     {
 393         char *crash = NULL;
 394         *crash = 0;
 395     }
 396 #endif
 397
 398     if (wxWindowIsVisible(xwindow))
 399     {
 400         wxLogTrace( wxT("focus"), wxT("wxWindowX11::SetFocus: %s"), GetClassInfo()->GetClassName());
 401         //        XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 402         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToNone, CurrentTime );
 403         m_needsInputFocus = false;
 404     }
 405     else
 406     {
 407         m_needsInputFocus = true;
 408     }
 409 }
 410
 411 // Get the window with the focus
 412 wxWindow *wxWindowBase::DoFindFocus()
 413 {
 414     Window xfocus = (Window) 0;
 415     int revert = 0;
 416
 417     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 418     if (xfocus)
 419     {
 420         wxWindow *win = wxGetWindowFromTable( xfocus );
 421         if (!win)
 422         {
 423             win = wxGetClientWindowFromTable( xfocus );
 424         }
 425
 426         return win;
 427     }
 428
 429     return NULL;
 430 }
 431
 432 // Enabling/disabling handled by event loop, and not sending events
 433 // if disabled.
 434 bool wxWindowX11::Enable(bool enable)
 435 {
 436     if ( !wxWindowBase::Enable(enable) )
 437         return false;
 438
 439     return true;
 440 }
 441
 442 bool wxWindowX11::Show(bool show)
 443 {
 444     wxWindowBase::Show(show);
 445
 446     Window xwindow = (Window) m_mainWindow;
 447     Display *xdisp = wxGlobalDisplay();
 448     if (show)
 449     {
 450         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 451         XMapWindow(xdisp, xwindow);
 452     }
 453     else
 454     {
 455         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 456         XUnmapWindow(xdisp, xwindow);
 457     }
 458
 459     return true;
 460 }
 461
 462 // Raise the window to the top of the Z order
 463 void wxWindowX11::Raise()
 464 {
 465     if (m_mainWindow)
 466         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 467 }
 468
 469 // Lower the window to the bottom of the Z order
 470 void wxWindowX11::Lower()
 471 {
 472     if (m_mainWindow)
 473         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 474 }
 475
 476 void wxWindowX11::SetLabel(const wxString& WXUNUSED(label))
 477 {
 478     // TODO
 479 }
 480
 481 wxString wxWindowX11::GetLabel() const
 482 {
 483     // TODO
 484     return wxEmptyString;
 485 }
 486
 487 void wxWindowX11::DoCaptureMouse()
 488 {
 489     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 490     {
 491         wxFAIL_MSG(wxT("Trying to capture before mouse released."));
 492
 493         // Core dump now
 494         int *tmp = NULL;
 495         (*tmp) = 1;
 496         return;
 497     }
 498
 499     if (m_winCaptured)
 500         return;
 501
 502     Window xwindow = (Window) m_clientWindow;
 503
 504     wxCHECK_RET( xwindow, wxT("invalid window") );
 505
 506     g_captureWindow = (wxWindow*) this;
 507
 508     if (xwindow)
 509     {
 510         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 511             FALSE,
 512             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 513             GrabModeAsync,
 514             GrabModeAsync,
 515             None,
 516             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 517             CurrentTime );
 518
 519         if (res != GrabSuccess)
 520         {
 521             wxString msg;
 522             msg.Printf(wxT("Failed to grab pointer for window %s"), this->GetClassInfo()->GetClassName());
 523             wxLogDebug(msg);
 524             if (res == GrabNotViewable)
 525             {
 526                 wxLogDebug( wxT("This is not a viewable window - perhaps not shown yet?") );
 527             }
 528
 529             g_captureWindow = NULL;
 530             return;
 531         }
 532
 533         m_winCaptured = true;
 534     }
 535 }
 536
 537 void wxWindowX11::DoReleaseMouse()
 538 {
 539     g_captureWindow = NULL;
 540
 541     if ( !m_winCaptured )
 542         return;
 543
 544     Window xwindow = (Window) m_clientWindow;
 545
 546     if (xwindow)
 547     {
 548         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 549     }
 550
 551     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 552
 553     m_winCaptured = false;
 554 }
 555
 556 bool wxWindowX11::SetFont(const wxFont& font)
 557 {
 558     if ( !wxWindowBase::SetFont(font) )
 559     {
 560         // nothing to do
 561         return false;
 562     }
 563
 564     return true;
 565 }
 566
 567 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 568 {
 569     if ( !wxWindowBase::SetCursor(cursor) )
 570     {
 571         // no change
 572         return false;
 573     }
 574
 575     Window xwindow = (Window) m_clientWindow;
 576
 577     wxCHECK_MSG( xwindow, false, wxT("invalid window") );
 578
 579     wxCursor cursorToUse;
 580     if (m_cursor.Ok())
 581         cursorToUse = m_cursor;
 582     else
 583         cursorToUse = *wxSTANDARD_CURSOR;
 584
 585     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 586
 587     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 588
 589     return true;
 590 }
 591
 592 // Coordinates relative to the window
 593 void wxWindowX11::WarpPointer (int x, int y)
 594 {
 595     Window xwindow = (Window) m_clientWindow;
 596
 597     wxCHECK_RET( xwindow, wxT("invalid window") );
 598
 599     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 600 }
 601
 602 // Does a physical scroll
 603 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 604 {
 605     // No scrolling requested.
 606     if ((dx == 0) && (dy == 0)) return;
 607
 608     if (!m_updateRegion.IsEmpty())
 609     {
 610         m_updateRegion.Offset( dx, dy );
 611
 612         int cw = 0;
 613         int ch = 0;
 614         GetSize( &cw, &ch );  // GetClientSize() ??
 615         m_updateRegion.Intersect( 0, 0, cw, ch );
 616     }
 617
 618     if (!m_clearRegion.IsEmpty())
 619     {
 620         m_clearRegion.Offset( dx, dy );
 621
 622         int cw = 0;
 623         int ch = 0;
 624         GetSize( &cw, &ch );  // GetClientSize() ??
 625         m_clearRegion.Intersect( 0, 0, cw, ch );
 626     }
 627
 628     Window xwindow = (Window) GetClientAreaWindow();
 629
 630     wxCHECK_RET( xwindow, wxT("invalid window") );
 631
 632     Display *xdisplay = wxGlobalDisplay();
 633
 634     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 635     XSetGraphicsExposures( xdisplay, xgc, True );
 636
 637     int s_x = 0;
 638     int s_y = 0;
 639     int cw;
 640     int ch;
 641     if (rect)
 642     {
 643         s_x = rect->x;
 644         s_y = rect->y;
 645
 646         cw = rect->width;
 647         ch = rect->height;
 648     }
 649     else
 650     {
 651         s_x = 0;
 652         s_y = 0;
 653         GetClientSize( &cw, &ch );
 654     }
 655
 656 #if wxUSE_TWO_WINDOWS
 657     wxPoint offset( 0,0 );
 658 #else
 659     wxPoint offset = GetClientAreaOrigin();
 660     s_x += offset.x;
 661     s_y += offset.y;
 662 #endif
 663
 664     int w = cw - abs(dx);
 665     int h = ch - abs(dy);
 666
 667     if ((h < 0) || (w < 0))
 668     {
 669         Refresh();
 670     }
 671     else
 672     {
 673         wxRect rect;
 674         if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
 675         if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
 676         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 677         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 678
 679         int d_x = s_x;
 680         int d_y = s_y;
 681
 682         if (dx < 0) s_x += -dx;
 683         if (dy < 0) s_y += -dy;
 684         if (dx > 0) d_x += dx + offset.x;
 685         if (dy > 0) d_y += dy + offset.y;
 686
 687         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 688
 689         // 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 );
 690
 691         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 692
 693         m_updateRegion.Union( rect );
 694         m_clearRegion.Union( rect );
 695     }
 696
 697     XFreeGC( xdisplay, xgc );
 698
 699     // Move Clients, but not the scrollbars
 700     // FIXME: There may be a better method to move a lot of Windows within X11
 701     wxScrollBar *sbH = ((wxWindow *) this)->GetScrollbar( wxHORIZONTAL );
 702     wxScrollBar *sbV = ((wxWindow *) this)->GetScrollbar( wxVERTICAL );
 703     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 704     while ( node )
 705     {
 706         // Only propagate to non-top-level windows
 707         wxWindow *win = node->GetData();
 708         if ( win->GetParent() && win != sbH && win != sbV )
 709         {
 710             wxPoint pos = win->GetPosition();
 711             // Add the delta to the old Position
 712             pos.x += dx;
 713             pos.y += dy;
 714             win->SetPosition(pos);
 715         }
 716         node = node->GetNext();
 717     }
 718 }
 719
 720 // ---------------------------------------------------------------------------
 721 // drag and drop
 722 // ---------------------------------------------------------------------------
 723
 724 #if wxUSE_DRAG_AND_DROP
 725
 726 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 727 {
 728     // TODO
 729 }
 730
 731 #endif
 732
 733 // Old style file-manager drag&drop
 734 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 735 {
 736     // TODO
 737 }
 738
 739 // ----------------------------------------------------------------------------
 740 // tooltips
 741 // ----------------------------------------------------------------------------
 742
 743 #if wxUSE_TOOLTIPS
 744
 745 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 746 {
 747     // TODO
 748 }
 749
 750 #endif // wxUSE_TOOLTIPS
 751
 752 // ---------------------------------------------------------------------------
 753 // moving and resizing
 754 // ---------------------------------------------------------------------------
 755
 756 bool wxWindowX11::PreResize()
 757 {
 758     return true;
 759 }
 760
 761 // Get total size
 762 void wxWindowX11::DoGetSize(int *x, int *y) const
 763 {
 764     Window xwindow = (Window) m_mainWindow;
 765
 766     wxCHECK_RET( xwindow, wxT("invalid window") );
 767
 768     //XSync(wxGlobalDisplay(), False);
 769
 770     XWindowAttributes attr;
 771     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 772     wxASSERT(status);
 773
 774     if (status)
 775     {
 776         *x = attr.width /* + 2*m_borderSize */ ;
 777         *y = attr.height /* + 2*m_borderSize */ ;
 778     }
 779 }
 780
 781 void wxWindowX11::DoGetPosition(int *x, int *y) const
 782 {
 783     Window window = (Window) m_mainWindow;
 784     if (window)
 785     {
 786         //XSync(wxGlobalDisplay(), False);
 787         XWindowAttributes attr;
 788         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 789         wxASSERT(status);
 790
 791         if (status)
 792         {
 793             *x = attr.x;
 794             *y = attr.y;
 795
 796             // We may be faking the client origin. So a window that's really at (0, 30)
 797             // may appear (to wxWin apps) to be at (0, 0).
 798             if (GetParent())
 799             {
 800                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 801                 *x -= pt.x;
 802                 *y -= pt.y;
 803             }
 804         }
 805     }
 806 }
 807
 808 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 809 {
 810     Display *display = wxGlobalDisplay();
 811     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 812     Window thisWindow = (Window) m_clientWindow;
 813
 814     Window childWindow;
 815     int xx = x ? *x : 0;
 816     int yy = y ? *y : 0;
 817     XTranslateCoordinates(display, rootWindow, thisWindow,
 818                           xx, yy, x ? x : &xx, y ? y : &yy,
 819                           &childWindow);
 820 }
 821
 822 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 823 {
 824     Display *display = wxGlobalDisplay();
 825     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 826     Window thisWindow = (Window) m_clientWindow;
 827
 828     Window childWindow;
 829     int xx = x ? *x : 0;
 830     int yy = y ? *y : 0;
 831     XTranslateCoordinates(display, thisWindow, rootWindow,
 832                           xx, yy, x ? x : &xx, y ? y : &yy,
 833                           &childWindow);
 834 }
 835
 836
 837 // Get size *available for subwindows* i.e. excluding menu bar etc.
 838 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 839 {
 840     Window window = (Window) m_mainWindow;
 841
 842     if (window)
 843     {
 844         XWindowAttributes attr;
 845         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 846         wxASSERT(status);
 847
 848         if (status)
 849         {
 850             *x = attr.width ;
 851             *y = attr.height ;
 852         }
 853     }
 854 }
 855
 856 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 857 {
 858     //    wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 859
 860     Window xwindow = (Window) m_mainWindow;
 861
 862     wxCHECK_RET( xwindow, wxT("invalid window") );
 863
 864     XWindowAttributes attr;
 865     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 866     wxCHECK_RET( status, wxT("invalid window attributes") );
 867
 868     int new_x = attr.x;
 869     int new_y = attr.y;
 870     int new_w = attr.width;
 871     int new_h = attr.height;
 872
 873     if (x != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 874     {
 875         int yy = 0;
 876         AdjustForParentClientOrigin( x, yy, sizeFlags);
 877         new_x = x;
 878     }
 879     if (y != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 880     {
 881         int xx = 0;
 882         AdjustForParentClientOrigin( xx, y, sizeFlags);
 883         new_y = y;
 884     }
 885     if (width != wxDefaultCoord)
 886     {
 887         new_w = width;
 888         if (new_w <= 0)
 889             new_w = 20;
 890     }
 891     if (height != wxDefaultCoord)
 892     {
 893         new_h = height;
 894         if (new_h <= 0)
 895             new_h = 20;
 896     }
 897
 898     DoMoveWindow( new_x, new_y, new_w, new_h );
 899 }
 900
 901 void wxWindowX11::DoSetClientSize(int width, int height)
 902 {
 903     //    wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 904
 905     Window xwindow = (Window) m_mainWindow;
 906
 907     wxCHECK_RET( xwindow, wxT("invalid window") );
 908
 909     XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 910
 911     if (m_mainWindow != m_clientWindow)
 912     {
 913         xwindow = (Window) m_clientWindow;
 914
 915         wxWindow *window = (wxWindow*) this;
 916         wxRenderer *renderer = window->GetRenderer();
 917         if (renderer)
 918         {
 919             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 920             width -= border.x + border.width;
 921             height -= border.y + border.height;
 922         }
 923
 924         XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 925     }
 926 }
 927
 928 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 929 {
 930     Window xwindow = (Window) m_mainWindow;
 931
 932     wxCHECK_RET( xwindow, wxT("invalid window") );
 933
 934 #if !wxUSE_NANOX
 935
 936     XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, width, height );
 937     if (m_mainWindow != m_clientWindow)
 938     {
 939         xwindow = (Window) m_clientWindow;
 940
 941         wxWindow *window = (wxWindow*) this;
 942         wxRenderer *renderer = window->GetRenderer();
 943         if (renderer)
 944         {
 945             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 946             x = border.x;
 947             y = border.y;
 948             width -= border.x + border.width;
 949             height -= border.y + border.height;
 950         }
 951         else
 952         {
 953             x = 0;
 954             y = 0;
 955         }
 956
 957         wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
 958         if (sb && sb->IsShown())
 959         {
 960             wxSize size = sb->GetSize();
 961             height -= size.y;
 962         }
 963         sb = window->GetScrollbar( wxVERTICAL );
 964         if (sb && sb->IsShown())
 965         {
 966             wxSize size = sb->GetSize();
 967             width -= size.x;
 968         }
 969
 970         XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, wxMax(1, width), wxMax(1, height) );
 971     }
 972
 973 #else
 974
 975     XWindowChanges windowChanges;
 976     windowChanges.x = x;
 977     windowChanges.y = y;
 978     windowChanges.width = width;
 979     windowChanges.height = height;
 980     windowChanges.stack_mode = 0;
 981     int valueMask = CWX | CWY | CWWidth | CWHeight;
 982
 983     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 984
 985 #endif
 986 }
 987
 988 void wxWindowX11::DoSetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 989 {
 990     m_minWidth = minW;
 991     m_minHeight = minH;
 992     m_maxWidth = maxW;
 993     m_maxHeight = maxH;
 994
 995 #if !wxUSE_NANOX
 996     XSizeHints sizeHints;
 997     sizeHints.flags = 0;
 998
 999     if (minW > -1 && minH > -1)
1000     {
1001         sizeHints.flags |= PMinSize;
1002         sizeHints.min_width = minW;
1003         sizeHints.min_height = minH;
1004     }
1005     if (maxW > -1 && maxH > -1)
1006     {
1007         sizeHints.flags |= PMaxSize;
1008         sizeHints.max_width = maxW;
1009         sizeHints.max_height = maxH;
1010     }
1011     if (incW > -1 && incH > -1)
1012     {
1013         sizeHints.flags |= PResizeInc;
1014         sizeHints.width_inc = incW;
1015         sizeHints.height_inc = incH;
1016     }
1017
1018     XSetWMNormalHints(wxGlobalDisplay(), (Window) m_mainWindow, &sizeHints );
1019 #endif
1020 }
1021
1022 // ---------------------------------------------------------------------------
1023 // text metrics
1024 // ---------------------------------------------------------------------------
1025
1026 int wxWindowX11::GetCharHeight() const
1027 {
1028     wxFont font(GetFont());
1029     wxCHECK_MSG( font.Ok(), 0, wxT("valid window font needed") );
1030
1031 #if wxUSE_UNICODE
1032     // There should be an easier way.
1033     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1034     pango_layout_set_font_description( layout, font.GetNativeFontInfo()->description );
1035     pango_layout_set_text(layout, "H", 1 );
1036     int w,h;
1037     pango_layout_get_pixel_size(layout, &w, &h);
1038     g_object_unref( G_OBJECT( layout ) );
1039
1040     return h;
1041 #else
1042     WXFontStructPtr pFontStruct = font.GetFontStruct(1.0, wxGlobalDisplay());
1043
1044     int direction, ascent, descent;
1045     XCharStruct overall;
1046     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1047         &descent, &overall);
1048
1049     //  return (overall.ascent + overall.descent);
1050     return (ascent + descent);
1051 #endif
1052 }
1053
1054 int wxWindowX11::GetCharWidth() const
1055 {
1056     wxFont font(GetFont());
1057     wxCHECK_MSG( font.Ok(), 0, wxT("valid window font needed") );
1058
1059 #if wxUSE_UNICODE
1060     // There should be an easier way.
1061     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1062     pango_layout_set_font_description( layout, font.GetNativeFontInfo()->description );
1063     pango_layout_set_text(layout, "H", 1 );
1064     int w,h;
1065     pango_layout_get_pixel_size(layout, &w, &h);
1066     g_object_unref( G_OBJECT( layout ) );
1067
1068     return w;
1069 #else
1070     WXFontStructPtr pFontStruct = font.GetFontStruct(1.0, wxGlobalDisplay());
1071
1072     int direction, ascent, descent;
1073     XCharStruct overall;
1074     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1075         &descent, &overall);
1076
1077     return overall.width;
1078 #endif
1079 }
1080
1081 void wxWindowX11::DoGetTextExtent(const wxString& string,
1082                                   int *x, int *y,
1083                                   int *descent,
1084                                   int *externalLeading,
1085                                   const wxFont *theFont) const
1086 {
1087     wxFont fontToUse = GetFont();
1088     if (theFont) fontToUse = *theFont;
1089
1090     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
1091
1092     if (string.empty())
1093     {
1094         if (x) (*x) = 0;
1095         if (y) (*y) = 0;
1096         return;
1097     }
1098
1099 #if wxUSE_UNICODE
1100     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1101
1102     PangoFontDescription *desc = fontToUse.GetNativeFontInfo()->description;
1103     pango_layout_set_font_description(layout, desc);
1104
1105     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1106     pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1107
1108     PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
1109
1110
1111     PangoRectangle rect;
1112     pango_layout_line_get_extents(line, NULL, &rect);
1113
1114     if (x) (*x) = (wxCoord) (rect.width / PANGO_SCALE);
1115     if (y) (*y) = (wxCoord) (rect.height / PANGO_SCALE);
1116     if (descent)
1117     {
1118         // Do something about metrics here
1119         (*descent) = 0;
1120     }
1121     if (externalLeading) (*externalLeading) = 0;  // ??
1122
1123     g_object_unref( G_OBJECT( layout ) );
1124 #else
1125     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, wxGlobalDisplay());
1126
1127     int direction, ascent, descent2;
1128     XCharStruct overall;
1129     int slen = string.length();
1130
1131     XTextExtents((XFontStruct*) pFontStruct, (const char*) string.c_str(), slen,
1132                  &direction, &ascent, &descent2, &overall);
1133
1134     if ( x )
1135         *x = (overall.width);
1136     if ( y )
1137         *y = (ascent + descent2);
1138     if (descent)
1139         *descent = descent2;
1140     if (externalLeading)
1141         *externalLeading = 0;
1142 #endif
1143 }
1144
1145 // ----------------------------------------------------------------------------
1146 // painting
1147 // ----------------------------------------------------------------------------
1148
1149 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
1150 {
1151     if (eraseBack)
1152     {
1153         if (rect)
1154         {
1155             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1156             m_clearRegion.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_clearRegion.Clear();
1165             m_clearRegion.Union( 0, 0, width, height );
1166         }
1167     }
1168
1169     if (rect)
1170     {
1171          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1172          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
1173     }
1174     else
1175     {
1176         int height,width;
1177         GetSize( &width, &height );
1178
1179         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1180         m_updateRegion.Clear();
1181         m_updateRegion.Union( 0, 0, width, height );
1182     }
1183 }
1184
1185 void wxWindowX11::Update()
1186 {
1187     if (m_updateNcArea)
1188     {
1189         // wxLogDebug("wxWindowX11::UpdateNC: %s", GetClassInfo()->GetClassName());
1190         // Send nc paint events.
1191         SendNcPaintEvents();
1192     }
1193
1194     if (!m_updateRegion.IsEmpty())
1195     {
1196         // wxLogDebug("wxWindowX11::Update: %s", GetClassInfo()->GetClassName());
1197         // Actually send erase events.
1198         SendEraseEvents();
1199
1200         // Actually send paint events.
1201         SendPaintEvents();
1202     }
1203 }
1204
1205 void wxWindowX11::SendEraseEvents()
1206 {
1207     if (m_clearRegion.IsEmpty()) return;
1208
1209     wxClientDC dc( (wxWindow*)this );
1210     dc.SetDeviceClippingRegion( m_clearRegion );
1211
1212     wxEraseEvent erase_event( GetId(), &dc );
1213     erase_event.SetEventObject( this );
1214
1215     if (!HandleWindowEvent(erase_event) )
1216     {
1217         Display *xdisplay = wxGlobalDisplay();
1218         Window xwindow = (Window) GetClientAreaWindow();
1219         XSetForeground( xdisplay, g_eraseGC, m_backgroundColour.GetPixel() );
1220
1221         wxRegionIterator upd( m_clearRegion );
1222         while (upd)
1223         {
1224             XFillRectangle( xdisplay, xwindow, g_eraseGC,
1225                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1226             upd ++;
1227         }
1228     }
1229
1230     m_clearRegion.Clear();
1231 }
1232
1233 void wxWindowX11::SendPaintEvents()
1234 {
1235     //    wxLogDebug("SendPaintEvents: %s (%ld)", GetClassInfo()->GetClassName(), GetId());
1236
1237     m_clipPaintRegion = true;
1238
1239     wxPaintEvent paint_event( GetId() );
1240     paint_event.SetEventObject( this );
1241     HandleWindowEvent( paint_event );
1242
1243     m_updateRegion.Clear();
1244
1245     m_clipPaintRegion = false;
1246 }
1247
1248 void wxWindowX11::SendNcPaintEvents()
1249 {
1250     wxWindow *window = (wxWindow*) this;
1251
1252     // All this for drawing the small square between the scrollbars.
1253     int width = 0;
1254     int height = 0;
1255     int x = 0;
1256     int y = 0;
1257     wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
1258     if (sb && sb->IsShown())
1259     {
1260         height = sb->GetSize().y;
1261         y = sb->GetPosition().y;
1262
1263         sb = window->GetScrollbar( wxVERTICAL );
1264         if (sb && sb->IsShown())
1265         {
1266             width = sb->GetSize().x;
1267             x = sb->GetPosition().x;
1268
1269             Display *xdisplay = wxGlobalDisplay();
1270             Window xwindow = (Window) GetMainWindow();
1271             Colormap cm = (Colormap) wxTheApp->GetMainColormap( wxGetDisplay() );
1272             wxColour colour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
1273             colour.CalcPixel( (WXColormap) cm );
1274
1275             XSetForeground( xdisplay, g_eraseGC, colour.GetPixel() );
1276
1277             XFillRectangle( xdisplay, xwindow, g_eraseGC, x, y, width, height );
1278         }
1279     }
1280
1281     wxNcPaintEvent nc_paint_event( GetId() );
1282     nc_paint_event.SetEventObject( this );
1283     HandleWindowEvent( nc_paint_event );
1284
1285     m_updateNcArea = false;
1286 }
1287
1288 // ----------------------------------------------------------------------------
1289 // event handlers
1290 // ----------------------------------------------------------------------------
1291
1292 // Responds to colour changes: passes event on to children.
1293 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1294 {
1295     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1296     while ( node )
1297     {
1298         // Only propagate to non-top-level windows
1299         wxWindow *win = node->GetData();
1300         if ( win->GetParent() )
1301         {
1302             wxSysColourChangedEvent event2;
1303             event.SetEventObject(win);
1304             win->HandleWindowEvent(event2);
1305         }
1306
1307         node = node->GetNext();
1308     }
1309 }
1310
1311 // See handler for InFocus case in app.cpp for details.
1312 wxWindow* g_GettingFocus = NULL;
1313
1314 void wxWindowX11::OnInternalIdle()
1315 {
1316     // Update invalidated regions.
1317     Update();
1318
1319     // This calls the UI-update mechanism (querying windows for
1320     // menu/toolbar/control state information)
1321     if (wxUpdateUIEvent::CanUpdate((wxWindow*) this) && IsShownOnScreen())
1322         UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1323
1324     // Set the input focus if couldn't do it before
1325     if (m_needsInputFocus)
1326     {
1327 #if 0
1328         wxString msg;
1329         msg.Printf("Setting focus for %s from OnInternalIdle\n", GetClassInfo()->GetClassName());
1330         printf(msg.c_str());
1331 #endif
1332         SetFocus();
1333
1334         // If it couldn't set the focus now, there's
1335         // no point in trying again.
1336         m_needsInputFocus = false;
1337     }
1338     g_GettingFocus = NULL;
1339 }
1340
1341 // ----------------------------------------------------------------------------
1342 // function which maintain the global hash table mapping Widgets to wxWidgets
1343 // ----------------------------------------------------------------------------
1344
1345 static bool DoAddWindowToTable(wxWindowHash *hash, Window w, wxWindow *win)
1346 {
1347     if ( !hash->insert(wxWindowHash::value_type(w, win)).second )
1348     {
1349         wxLogDebug( wxT("Widget table clash: new widget is 0x%08x, %s"),
1350                     (unsigned int)w, win->GetClassInfo()->GetClassName());
1351         return false;
1352     }
1353
1354     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
1355                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1356
1357     return true;
1358 }
1359
1360 static inline wxWindow *DoGetWindowFromTable(wxWindowHash *hash, Window w)
1361 {
1362     wxWindowHash::iterator i = hash->find(w);
1363     return i == hash->end() ? NULL : i->second;
1364 }
1365
1366 static inline void DoDeleteWindowFromTable(wxWindowHash *hash, Window w)
1367 {
1368     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x deleted"), (unsigned int) w);
1369
1370     hash->erase(w);
1371 }
1372
1373 // ----------------------------------------------------------------------------
1374 // public wrappers
1375 // ----------------------------------------------------------------------------
1376
1377 bool wxAddWindowToTable(Window w, wxWindow *win)
1378 {
1379     return DoAddWindowToTable(wxWidgetHashTable, w, win);
1380 }
1381
1382 wxWindow *wxGetWindowFromTable(Window w)
1383 {
1384     return DoGetWindowFromTable(wxWidgetHashTable, w);
1385 }
1386
1387 void wxDeleteWindowFromTable(Window w)
1388 {
1389     DoDeleteWindowFromTable(wxWidgetHashTable, w);
1390 }
1391
1392 bool wxAddClientWindowToTable(Window w, wxWindow *win)
1393 {
1394     return DoAddWindowToTable(wxClientWidgetHashTable, w, win);
1395 }
1396
1397 wxWindow *wxGetClientWindowFromTable(Window w)
1398 {
1399     return DoGetWindowFromTable(wxClientWidgetHashTable, w);
1400 }
1401
1402 void wxDeleteClientWindowFromTable(Window w)
1403 {
1404     DoDeleteWindowFromTable(wxClientWidgetHashTable, w);
1405 }
1406
1407 // ----------------------------------------------------------------------------
1408 // X11-specific accessors
1409 // ----------------------------------------------------------------------------
1410
1411 WXWindow wxWindowX11::GetMainWindow() const
1412 {
1413     return m_mainWindow;
1414 }
1415
1416 WXWindow wxWindowX11::GetClientAreaWindow() const
1417 {
1418     return m_clientWindow;
1419 }
1420
1421 // ----------------------------------------------------------------------------
1422 // TranslateXXXEvent() functions
1423 // ----------------------------------------------------------------------------
1424
1425 bool wxTranslateMouseEvent(wxMouseEvent& wxevent,
1426                            wxWindow *win,
1427                            Window WXUNUSED(window),
1428                            XEvent *xevent)
1429 {
1430     switch (XEventGetType(xevent))
1431     {
1432         case EnterNotify:
1433         case LeaveNotify:
1434         case ButtonPress:
1435         case ButtonRelease:
1436         case MotionNotify:
1437         {
1438             wxEventType eventType = wxEVT_NULL;
1439
1440             if (XEventGetType(xevent) == EnterNotify)
1441             {
1442                 //if (local_event.xcrossing.mode!=NotifyNormal)
1443                 //  return ; // Ignore grab events
1444                 eventType = wxEVT_ENTER_WINDOW;
1445                 //            canvas->GetEventHandler()->OnSetFocus();
1446             }
1447             else if (XEventGetType(xevent) == LeaveNotify)
1448             {
1449                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1450                 //  return ; // Ignore grab events
1451                 eventType = wxEVT_LEAVE_WINDOW;
1452                 //            canvas->GetEventHandler()->OnKillFocus();
1453             }
1454             else if (XEventGetType(xevent) == MotionNotify)
1455             {
1456                 eventType = wxEVT_MOTION;
1457             }
1458             else if (XEventGetType(xevent) == ButtonPress)
1459             {
1460                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1461                 int button = 0;
1462                 if (XButtonEventLChanged(xevent))
1463                 {
1464                     eventType = wxEVT_LEFT_DOWN;
1465                     button = 1;
1466                 }
1467                 else if (XButtonEventMChanged(xevent))
1468                 {
1469                     eventType = wxEVT_MIDDLE_DOWN;
1470                     button = 2;
1471                 }
1472                 else if (XButtonEventRChanged(xevent))
1473                 {
1474                     eventType = wxEVT_RIGHT_DOWN;
1475                     button = 3;
1476                 }
1477                 else if ( xevent->xbutton.button == Button4 ||
1478                             xevent->xbutton.button == Button5 )
1479                 {
1480                     // this is the same value as used under wxMSW
1481                     static const int WHEEL_DELTA = 120;
1482
1483                     eventType = wxEVT_MOUSEWHEEL;
1484                     button = xevent->xbutton.button;
1485
1486                     wxevent.m_linesPerAction = 3;
1487                     wxevent.m_wheelDelta = WHEEL_DELTA;
1488
1489                     // Button 4 means mousewheel up, 5 means down
1490                     wxevent.m_wheelRotation = button == Button4 ? WHEEL_DELTA
1491                                                                 : -WHEEL_DELTA;
1492                 }
1493
1494                 // check for a double click
1495                 // TODO: where can we get this value from?
1496                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1497                 long dclickTime = 200;
1498                 long ts = wxevent.GetTimestamp();
1499
1500                 int buttonLast = win->GetLastClickedButton();
1501                 long lastTS = win->GetLastClickTime();
1502                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1503                 {
1504                     // I have a dclick
1505                     win->SetLastClick(0, ts);
1506                     if ( eventType == wxEVT_LEFT_DOWN )
1507                         eventType = wxEVT_LEFT_DCLICK;
1508                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1509                         eventType = wxEVT_MIDDLE_DCLICK;
1510                     else if ( eventType == wxEVT_RIGHT_DOWN )
1511                         eventType = wxEVT_RIGHT_DCLICK;
1512                 }
1513                 else
1514                 {
1515                     // not fast enough or different button
1516                     win->SetLastClick(button, ts);
1517                 }
1518             }
1519             else if (XEventGetType(xevent) == ButtonRelease)
1520             {
1521                 if (XButtonEventLChanged(xevent))
1522                 {
1523                     eventType = wxEVT_LEFT_UP;
1524                 }
1525                 else if (XButtonEventMChanged(xevent))
1526                 {
1527                     eventType = wxEVT_MIDDLE_UP;
1528                 }
1529                 else if (XButtonEventRChanged(xevent))
1530                 {
1531                     eventType = wxEVT_RIGHT_UP;
1532                 }
1533                 else return false;
1534             }
1535             else
1536             {
1537                 return false;
1538             }
1539
1540             wxevent.SetEventType(eventType);
1541
1542             wxevent.m_x = XButtonEventGetX(xevent);
1543             wxevent.m_y = XButtonEventGetY(xevent);
1544
1545             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1546                 || (XButtonEventLIsDown(xevent)
1547                 && (eventType != wxEVT_LEFT_UP)));
1548             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1549                 || (XButtonEventMIsDown(xevent)
1550                 && (eventType != wxEVT_MIDDLE_UP)));
1551             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1552                 || (XButtonEventRIsDown (xevent)
1553                 && (eventType != wxEVT_RIGHT_UP)));
1554
1555             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1556             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1557             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1558             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1559
1560             wxevent.SetId(win->GetId());
1561             wxevent.SetEventObject(win);
1562
1563             return true;
1564         }
1565     }
1566     return false;
1567 }
1568
1569 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent, bool isAscii)
1570 {
1571     switch (XEventGetType(xevent))
1572     {
1573     case KeyPress:
1574     case KeyRelease:
1575         {
1576             char buf[20];
1577
1578             KeySym keySym;
1579             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1580             int id = wxCharCodeXToWX (keySym);
1581             // id may be WXK_xxx code - these are outside ASCII range, so we
1582             // can't just use toupper() on id.
1583             // Only change this if we want the raw key that was pressed,
1584             // and don't change it if we want an ASCII value.
1585             if (!isAscii && (id >= 'a' && id <= 'z'))
1586             {
1587                 id = id + 'A' - 'a';
1588             }
1589
1590             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1591             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1592             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1593             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1594             wxevent.SetEventObject(win);
1595             wxevent.m_keyCode = id;
1596             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1597
1598             wxevent.m_x = XKeyEventGetX(xevent);
1599             wxevent.m_y = XKeyEventGetY(xevent);
1600
1601             return id > -1;
1602         }
1603     default:
1604         break;
1605     }
1606     return false;
1607 }
1608
1609 // ----------------------------------------------------------------------------
1610 // Colour stuff
1611 // ----------------------------------------------------------------------------
1612
1613 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1614 {
1615     wxWindowBase::SetBackgroundColour(col);
1616
1617     Display *xdisplay = (Display*) wxGlobalDisplay();
1618     int xscreen = DefaultScreen( xdisplay );
1619     Colormap cm = DefaultColormap( xdisplay, xscreen );
1620
1621     m_backgroundColour.CalcPixel( (WXColormap) cm );
1622
1623     // We don't set the background colour as we paint
1624     // the background ourselves.
1625     // XSetWindowBackground( xdisplay, (Window) m_clientWindow, m_backgroundColour.GetPixel() );
1626
1627     return true;
1628 }
1629
1630 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1631 {
1632     if ( !wxWindowBase::SetForegroundColour(col) )
1633         return false;
1634
1635     return true;
1636 }
1637
1638 // ----------------------------------------------------------------------------
1639 // global functions
1640 // ----------------------------------------------------------------------------
1641
1642 wxWindow *wxGetActiveWindow()
1643 {
1644     return wxGetTopLevelParent(wxWindow::FindFocus());
1645 }
1646
1647 /* static */
1648 wxWindow *wxWindowBase::GetCapture()
1649 {
1650     return (wxWindow *)g_captureWindow;
1651 }
1652
1653
1654 // Find the wxWindow at the current mouse position, returning the mouse
1655 // position.
1656 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1657 {
1658     pt = wxGetMousePosition();
1659     return wxFindWindowAtPoint(pt);
1660 }
1661
1662 void wxGetMouseState(int& rootX, int& rootY, unsigned& maskReturn)
1663 {
1664 #if wxUSE_NANOX
1665     /* TODO */
1666     rootX = rootY = 0;
1667     maskReturn = 0;
1668 #else
1669     Display *display = wxGlobalDisplay();
1670     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1671     Window rootReturn, childReturn;
1672     int winX, winY;
1673
1674     XQueryPointer (display,
1675                    rootWindow,
1676                    &rootReturn,
1677                    &childReturn,
1678                    &rootX, &rootY, &winX, &winY, &maskReturn);
1679 #endif
1680 }
1681
1682 // Get the current mouse position.
1683 wxPoint wxGetMousePosition()
1684 {
1685     int x, y;
1686     unsigned mask;
1687
1688     wxGetMouseState(x, y, mask);
1689     return wxPoint(x, y);
1690 }
1691
1692 wxMouseState wxGetMouseState()
1693 {
1694     wxMouseState ms;
1695     int x, y;
1696     unsigned mask;
1697
1698     wxGetMouseState(x, y, mask);
1699
1700     ms.SetX(x);
1701     ms.SetY(y);
1702
1703     ms.SetLeftDown(mask & Button1Mask);
1704     ms.SetMiddleDown(mask & Button2Mask);
1705     ms.SetRightDown(mask & Button3Mask);
1706
1707     ms.SetControlDown(mask & ControlMask);
1708     ms.SetShiftDown(mask & ShiftMask);
1709     ms.SetAltDown(mask & Mod3Mask);
1710     ms.SetMetaDown(mask & Mod1Mask);
1711
1712     return ms;
1713 }
1714
1715
1716 // ----------------------------------------------------------------------------
1717 // wxNoOptimize: switch off size optimization
1718 // ----------------------------------------------------------------------------
1719
1720 int wxNoOptimize::ms_count = 0;
1721
1722
1723 // ----------------------------------------------------------------------------
1724 // wxDCModule
1725 // ----------------------------------------------------------------------------
1726
1727 class wxWinModule : public wxModule
1728 {
1729 public:
1730     wxWinModule()
1731     {
1732         // we must be cleaned up before the display is closed
1733         AddDependency(wxClassInfo::FindClass(wxT("wxX11DisplayModule")));
1734     }
1735
1736     virtual bool OnInit();
1737     virtual void OnExit();
1738
1739 private:
1740     DECLARE_DYNAMIC_CLASS(wxWinModule)
1741 };
1742
1743 IMPLEMENT_DYNAMIC_CLASS(wxWinModule, wxModule)
1744
1745 bool wxWinModule::OnInit()
1746 {
1747     Display *xdisplay = wxGlobalDisplay();
1748     int xscreen = DefaultScreen( xdisplay );
1749     Window xroot = RootWindow( xdisplay, xscreen );
1750     g_eraseGC = XCreateGC( xdisplay, xroot, 0, NULL );
1751     XSetFillStyle( xdisplay, g_eraseGC, FillSolid );
1752
1753     return true;
1754 }
1755
1756 void wxWinModule::OnExit()
1757 {
1758     Display *xdisplay = wxGlobalDisplay();
1759     XFreeGC( xdisplay, g_eraseGC );
1760 }