src/x11/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        windows.cpp
   3 // Purpose:     wxWindow
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "window.h"
  22 #endif
  23
  24 #include "wx/setup.h"
  25 #include "wx/menu.h"
  26 #include "wx/dc.h"
  27 #include "wx/dcclient.h"
  28 #include "wx/utils.h"
  29 #include "wx/app.h"
  30 #include "wx/panel.h"
  31 #include "wx/layout.h"
  32 #include "wx/dialog.h"
  33 #include "wx/listbox.h"
  34 #include "wx/button.h"
  35 #include "wx/settings.h"
  36 #include "wx/msgdlg.h"
  37 #include "wx/frame.h"
  38 #include "wx/scrolwin.h"
  39 #include "wx/module.h"
  40 #include "wx/menuitem.h"
  41 #include "wx/log.h"
  42
  43 #if  wxUSE_DRAG_AND_DROP
  44     #include "wx/dnd.h"
  45 #endif
  46
  47 #include "wx/x11/private.h"
  48 #include "X11/Xutil.h"
  49
  50 #include <string.h>
  51
  52 // ----------------------------------------------------------------------------
  53 // global variables for this module
  54 // ----------------------------------------------------------------------------
  55
  56 extern wxHashTable *wxWidgetHashTable;
  57 static wxWindow* g_captureWindow = NULL;
  58
  59 // ----------------------------------------------------------------------------
  60 // macros
  61 // ----------------------------------------------------------------------------
  62
  63 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  64 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  65 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  66
  67 // ----------------------------------------------------------------------------
  68 // event tables
  69 // ----------------------------------------------------------------------------
  70
  71 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  72
  73 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  74     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  75 END_EVENT_TABLE()
  76
  77 // ============================================================================
  78 // implementation
  79 // ============================================================================
  80
  81 // ----------------------------------------------------------------------------
  82 // helper functions
  83 // ----------------------------------------------------------------------------
  84
  85 // ----------------------------------------------------------------------------
  86 // constructors
  87 // ----------------------------------------------------------------------------
  88
  89 void wxWindowX11::Init()
  90 {
  91     // generic initializations first
  92     InitBase();
  93
  94     // X11-specific
  95     m_mainWidget = (WXWindow) 0;
  96
  97     m_winCaptured = FALSE;
  98
  99     m_isShown = TRUE;
 100     m_isBeingDeleted = FALSE;
 101
 102     m_lastTS = 0;
 103     m_lastButton = 0;
 104 }
 105
 106 // real construction (Init() must have been called before!)
 107 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 108                       const wxPoint& pos,
 109                       const wxSize& size,
 110                       long style,
 111                       const wxString& name)
 112 {
 113     wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
 114
 115     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 116
 117     parent->AddChild(this);
 118
 119     int w = size.GetWidth();
 120     int h = size.GetHeight();
 121     int x = size.GetX();
 122     int y = size.GetY();
 123     if (w == -1) w = 20;
 124     if (h == -1) h = 20;
 125     if (x == -1) x = 0;
 126     if (y == -1) y = 0;
 127
 128     Display *xdisplay = (Display*) wxGlobalDisplay();
 129     int xscreen = DefaultScreen( xdisplay );
 130     Colormap cm = DefaultColormap( xdisplay, xscreen );
 131
 132     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 133     m_backgroundColour.CalcPixel( (WXColormap) cm );
 134     m_hasBgCol = TRUE;
 135
 136     m_foregroundColour = *wxBLACK;
 137     m_foregroundColour.CalcPixel( (WXColormap) cm );
 138
 139
 140     Window parentWindow = (Window) parent->GetMainWindow();
 141
 142     Window window = XCreateSimpleWindow(
 143         xdisplay, parentWindow,
 144         x, y, w, h, 0,
 145         m_backgroundColour.GetPixel(),
 146         m_backgroundColour.GetPixel() );
 147
 148     m_mainWidget = (WXWindow) window;
 149
 150     // Select event types wanted
 151     XSelectInput( wxGlobalDisplay(), window,
 152         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 153         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 154         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 155         PropertyChangeMask);
 156
 157     wxAddWindowToTable(window, (wxWindow*) this);
 158
 159     // Is a subwindow, so map immediately
 160     m_isShown = TRUE;
 161     XMapWindow(wxGlobalDisplay(), window);
 162
 163     // Without this, the cursor may not be restored properly (e.g. in splitter
 164     // sample).
 165     SetCursor(*wxSTANDARD_CURSOR);
 166     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 167     SetSize(pos.x, pos.y, size.x, size.y);
 168
 169     return TRUE;
 170 }
 171
 172 // Destructor
 173 wxWindowX11::~wxWindowX11()
 174 {
 175     if (g_captureWindow == this)
 176         g_captureWindow = NULL;
 177
 178     m_isBeingDeleted = TRUE;
 179
 180     // X11-specific actions first
 181     Window main = (Window) m_mainWidget;
 182     if ( main )
 183     {
 184         // Removes event handlers
 185         //DetachWidget(main);
 186     }
 187
 188     if (m_parent)
 189         m_parent->RemoveChild( this );
 190
 191     DestroyChildren();
 192
 193     // Destroy the window
 194     if (main)
 195     {
 196         XSelectInput( wxGlobalDisplay(), main, NoEventMask);
 197         wxDeleteWindowFromTable( main );
 198         XDestroyWindow( wxGlobalDisplay(), main );
 199         m_mainWidget = NULL;
 200     }
 201 }
 202
 203 // ---------------------------------------------------------------------------
 204 // basic operations
 205 // ---------------------------------------------------------------------------
 206
 207 void wxWindowX11::SetFocus()
 208 {
 209     Window xwindow = (Window) GetMainWindow();
 210
 211     wxCHECK_RET( xwindow, wxT("invalid window") );
 212
 213     XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 214 }
 215
 216 // Get the window with the focus
 217 wxWindow *wxWindowBase::FindFocus()
 218 {
 219     Window xfocus = (Window) 0;
 220     int revert = 0;
 221
 222     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 223     if (xfocus)
 224     {
 225         wxWindow *win = wxGetWindowFromTable( xfocus );
 226
 227         return win;
 228     }
 229
 230     return NULL;
 231 }
 232
 233 // Enabling/disabling handled by event loop, and not sending events
 234 // if disabled.
 235 bool wxWindowX11::Enable(bool enable)
 236 {
 237     if ( !wxWindowBase::Enable(enable) )
 238         return FALSE;
 239
 240     return TRUE;
 241 }
 242
 243 bool wxWindowX11::Show(bool show)
 244 {
 245     wxWindowBase::Show(show);
 246
 247     Window xwin = (Window) GetXWindow();
 248     Display *xdisp = (Display*) GetXDisplay();
 249     if (show)
 250     {
 251         wxString msg;
 252         msg.Printf("Mapping window of type %s", GetClassInfo()->GetClassName());
 253         wxLogDebug(msg);
 254         XMapWindow(xdisp, xwin);
 255         XSync(xdisp, False);
 256     }
 257     else
 258     {
 259         wxString msg;
 260         msg.Printf("Unmapping window of type %s", GetClassInfo()->GetClassName());
 261         wxLogDebug(msg);
 262         XUnmapWindow(xdisp, xwin);
 263     }
 264
 265     return TRUE;
 266 }
 267
 268 // Raise the window to the top of the Z order
 269 void wxWindowX11::Raise()
 270 {
 271     if (m_mainWidget)
 272         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 273 }
 274
 275 // Lower the window to the bottom of the Z order
 276 void wxWindowX11::Lower()
 277 {
 278     if (m_mainWidget)
 279         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 280 }
 281
 282 void wxWindowX11::DoCaptureMouse()
 283 {
 284     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 285     {
 286         wxASSERT_MSG(FALSE, "Trying to capture before mouse released.");
 287
 288         // Core dump now
 289         int *tmp = NULL;
 290         (*tmp) = 1;
 291         return;
 292     }
 293
 294     if (m_winCaptured)
 295         return;
 296
 297     Window xwindow = (Window) GetMainWindow();
 298
 299     wxCHECK_RET( xwindow, wxT("invalid window") );
 300
 301     g_captureWindow = (wxWindow*) this;
 302
 303     if (xwindow)
 304     {
 305         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 306             FALSE,
 307             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 308             GrabModeAsync,
 309                 GrabModeAsync,
 310             None,
 311             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 312             CurrentTime );
 313
 314         if (res != GrabSuccess)
 315         {
 316             wxString msg;
 317             msg.Printf("Failed to grab pointer for window %s", this->GetClassInfo()->GetClassName());
 318             wxLogDebug(msg);
 319             if (res == GrabNotViewable)
 320             {
 321                 wxLogDebug("This is not a viewable window - perhaps not shown yet?");
 322             }
 323             g_captureWindow = NULL;
 324             return;
 325         }
 326
 327         wxLogDebug("Grabbed pointer");
 328
 329 #if 0
 330         res = XGrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 331             (Window) GetMainWindow(),
 332             FALSE,
 333             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask,
 334                 GrabModeAsync,
 335                 GrabModeAsync,
 336             None,
 337             None);
 338
 339         if (res != GrabSuccess)
 340         {
 341             wxLogDebug("Failed to grab mouse buttons.");
 342             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 343             return;
 344         }
 345 #endif
 346
 347 #if 0
 348         res = XGrabKeyboard(wxGlobalDisplay(), (Window) GetMainWindow(),
 349             ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask,
 350             FALSE,
 351             GrabModeAsync,
 352                 GrabModeAsync,
 353             CurrentTime);
 354
 355         if (res != GrabSuccess)
 356         {
 357             wxLogDebug("Failed to grab keyboard.");
 358             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 359             XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 360                 (Window) GetMainWindow());
 361             return;
 362         }
 363 #endif
 364
 365         m_winCaptured = TRUE;
 366     }
 367 }
 368
 369 void wxWindowX11::DoReleaseMouse()
 370 {
 371     g_captureWindow = NULL;
 372
 373     if ( !m_winCaptured )
 374         return;
 375
 376     Window xwindow = (Window) GetMainWindow();
 377
 378     if (xwindow)
 379     {
 380         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 381 #if 0
 382         XUngrabButton( wxGlobalDisplay(), AnyButton, AnyModifier, xwindow);
 383         XUngrabKeyboard( wxGlobalDisplay(), CurrentTime );
 384 #endif
 385     }
 386     wxLogDebug("Ungrabbed pointer");
 387
 388     m_winCaptured = FALSE;
 389 }
 390
 391 bool wxWindowX11::SetFont(const wxFont& font)
 392 {
 393     if ( !wxWindowBase::SetFont(font) )
 394     {
 395         // nothing to do
 396         return FALSE;
 397     }
 398
 399     return TRUE;
 400 }
 401
 402 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 403 {
 404     if ( !wxWindowBase::SetCursor(cursor) )
 405     {
 406         // no change
 407         return FALSE;
 408     }
 409
 410     Window xwindow = (Window) GetMainWindow();
 411
 412     wxCHECK_MSG( xwindow, FALSE, wxT("invalid window") );
 413
 414     wxCursor cursorToUse;
 415     if (m_cursor.Ok())
 416         cursorToUse = m_cursor;
 417     else
 418         cursorToUse = *wxSTANDARD_CURSOR;
 419
 420     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 421
 422     XDefineCursor( (Display*) wxGlobalDisplay(), xwindow, xcursor );
 423
 424     return TRUE;
 425 }
 426
 427 // Coordinates relative to the window
 428 void wxWindowX11::WarpPointer (int x, int y)
 429 {
 430     Window xwindow = (Window) GetMainWindow();
 431
 432     wxCHECK_RET( xwindow, wxT("invalid window") );
 433
 434     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 435 }
 436
 437 // Does a physical scroll
 438 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 439 {
 440 #if 0
 441     int x, y, w, h;
 442     if (rect)
 443     {
 444         // Use specified rectangle
 445         x = rect->x; y = rect->y; w = rect->width; h = rect->height;
 446     }
 447     else
 448     {
 449         // Use whole client area
 450         x = 0; y = 0;
 451         GetClientSize(& w, & h);
 452     }
 453
 454     wxNode *cnode = m_children.First();
 455     while (cnode)
 456     {
 457         wxWindow *child = (wxWindow*) cnode->Data();
 458         int sx = 0;
 459         int sy = 0;
 460         child->GetSize( &sx, &sy );
 461         wxPoint pos( child->GetPosition() );
 462         child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
 463         cnode = cnode->Next();
 464     }
 465
 466     int x1 = (dx >= 0) ? x : x - dx;
 467     int y1 = (dy >= 0) ? y : y - dy;
 468     int w1 = w - abs(dx);
 469     int h1 = h - abs(dy);
 470     int x2 = (dx >= 0) ? x + dx : x;
 471     int y2 = (dy >= 0) ? y + dy : y;
 472
 473     wxClientDC dc((wxWindow*) this);
 474
 475     dc.SetLogicalFunction (wxCOPY);
 476
 477     Window window = (Window) GetMainWindow();
 478     Display* display = wxGlobalDisplay();
 479
 480     XCopyArea(display, window, window, (GC) dc.GetGC(),
 481         x1, y1, w1, h1, x2, y2);
 482
 483     dc.SetAutoSetting(TRUE);
 484     wxBrush brush(GetBackgroundColour(), wxSOLID);
 485     dc.SetBrush(brush); // FIXME: needed?
 486
 487     // We'll add rectangles to the list of update rectangles according to which
 488     // bits we've exposed.
 489     wxList updateRects;
 490
 491     if (dx > 0)
 492     {
 493         wxRect *rect = new wxRect;
 494         rect->x = x;
 495         rect->y = y;
 496         rect->width = dx;
 497         rect->height = h;
 498
 499         XFillRectangle(display, window,
 500             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 501
 502         rect->x = rect->x;
 503         rect->y = rect->y;
 504         rect->width = rect->width;
 505         rect->height = rect->height;
 506
 507         updateRects.Append((wxObject*) rect);
 508     }
 509     else if (dx < 0)
 510     {
 511         wxRect *rect = new wxRect;
 512
 513         rect->x = x + w + dx;
 514         rect->y = y;
 515         rect->width = -dx;
 516         rect->height = h;
 517
 518         XFillRectangle(display, window,
 519             (GC) dc.GetGC(), rect->x, rect->y, rect->width,
 520             rect->height);
 521
 522         rect->x = rect->x;
 523         rect->y = rect->y;
 524         rect->width = rect->width;
 525         rect->height = rect->height;
 526
 527         updateRects.Append((wxObject*) rect);
 528     }
 529     if (dy > 0)
 530     {
 531         wxRect *rect = new wxRect;
 532
 533         rect->x = x;
 534         rect->y = y;
 535         rect->width = w;
 536         rect->height = dy;
 537
 538         XFillRectangle(display, window,
 539             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 540
 541         rect->x = rect->x;
 542         rect->y = rect->y;
 543         rect->width = rect->width;
 544         rect->height = rect->height;
 545
 546         updateRects.Append((wxObject*) rect);
 547     }
 548     else if (dy < 0)
 549     {
 550         wxRect *rect = new wxRect;
 551
 552         rect->x = x;
 553         rect->y = y + h + dy;
 554         rect->width = w;
 555         rect->height = -dy;
 556
 557         XFillRectangle(display, window,
 558             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 559
 560         rect->x = rect->x;
 561         rect->y = rect->y;
 562         rect->width = rect->width;
 563         rect->height = rect->height;
 564
 565         updateRects.Append((wxObject*) rect);
 566     }
 567     dc.SetBrush(wxNullBrush);
 568
 569     // Now send expose events
 570
 571     wxNode* node = updateRects.First();
 572     while (node)
 573     {
 574         wxRect* rect = (wxRect*) node->Data();
 575         XExposeEvent event;
 576
 577         event.type = Expose;
 578         event.display = display;
 579         event.send_event = True;
 580         event.window = window;
 581
 582         event.x = rect->x;
 583         event.y = rect->y;
 584         event.width = rect->width;
 585         event.height = rect->height;
 586
 587         event.count = 0;
 588
 589         XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
 590
 591         node = node->Next();
 592
 593     }
 594
 595     // Delete the update rects
 596     node = updateRects.First();
 597     while (node)
 598     {
 599         wxRect* rect = (wxRect*) node->Data();
 600         delete rect;
 601         node = node->Next();
 602     }
 603 #endif
 604 }
 605
 606 // ---------------------------------------------------------------------------
 607 // drag and drop
 608 // ---------------------------------------------------------------------------
 609
 610 #if wxUSE_DRAG_AND_DROP
 611
 612 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 613 {
 614     // TODO
 615 }
 616
 617 #endif
 618
 619 // Old style file-manager drag&drop
 620 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 621 {
 622     // TODO
 623 }
 624
 625 // ----------------------------------------------------------------------------
 626 // tooltips
 627 // ----------------------------------------------------------------------------
 628
 629 #if wxUSE_TOOLTIPS
 630
 631 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 632 {
 633     // TODO
 634 }
 635
 636 #endif // wxUSE_TOOLTIPS
 637
 638 // ---------------------------------------------------------------------------
 639 // moving and resizing
 640 // ---------------------------------------------------------------------------
 641
 642 bool wxWindowX11::PreResize()
 643 {
 644     return TRUE;
 645 }
 646
 647 // Get total size
 648 void wxWindowX11::DoGetSize(int *x, int *y) const
 649 {
 650     Window xwindow = (Window) GetMainWindow();
 651
 652     wxCHECK_RET( xwindow, wxT("invalid window") );
 653
 654     XWindowAttributes attr;
 655     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 656     wxASSERT(status);
 657
 658     if (status)
 659     {
 660         *x = attr.width /* + 2*m_borderSize */ ;
 661         *y = attr.height /* + 2*m_borderSize */ ;
 662     }
 663 }
 664
 665 void wxWindowX11::DoGetPosition(int *x, int *y) const
 666 {
 667     Window window = (Window) m_mainWidget;
 668     if (window)
 669     {
 670         XWindowAttributes attr;
 671         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 672         wxASSERT(status);
 673
 674         if (status)
 675         {
 676             *x = attr.x;
 677             *y = attr.y;
 678
 679             // We may be faking the client origin. So a window that's really at (0, 30)
 680             // may appear (to wxWin apps) to be at (0, 0).
 681             if (GetParent())
 682             {
 683                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 684                 *x -= pt.x;
 685                 *y -= pt.y;
 686             }
 687         }
 688     }
 689 }
 690
 691 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 692 {
 693     Display *display = wxGlobalDisplay();
 694     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 695     Window thisWindow = (Window) m_mainWidget;
 696
 697     Window childWindow;
 698     int xx = *x;
 699     int yy = *y;
 700     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 701 }
 702
 703 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 704 {
 705     Display *display = wxGlobalDisplay();
 706     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 707     Window thisWindow = (Window) m_mainWidget;
 708
 709     Window childWindow;
 710     int xx = *x;
 711     int yy = *y;
 712     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 713 }
 714
 715
 716 // Get size *available for subwindows* i.e. excluding menu bar etc.
 717 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 718 {
 719     Window window = (Window) m_mainWidget;
 720
 721     if (window)
 722     {
 723         XWindowAttributes attr;
 724         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 725         wxASSERT(status);
 726
 727         if (status)
 728         {
 729             *x = attr.width ;
 730             *y = attr.height ;
 731         }
 732     }
 733 }
 734
 735 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 736 {
 737     if (!GetMainWindow())
 738         return;
 739
 740     XWindowChanges windowChanges;
 741     int valueMask = 0;
 742
 743     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 744     {
 745         int yy = 0;
 746         AdjustForParentClientOrigin( x, yy, sizeFlags);
 747         windowChanges.x = x;
 748         valueMask |= CWX;
 749     }
 750     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 751     {
 752         int xx = 0;
 753         AdjustForParentClientOrigin( xx, y, sizeFlags);
 754         windowChanges.y = y;
 755         valueMask |= CWY;
 756     }
 757     if (width != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 758     {
 759         windowChanges.width = width /* - m_borderSize*2 */;
 760         valueMask |= CWWidth;
 761     }
 762     if (height != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 763     {
 764         windowChanges.height = height /* -m_borderSize*2*/;
 765         valueMask |= CWHeight;
 766     }
 767
 768     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 769         valueMask, & windowChanges);
 770 }
 771
 772 void wxWindowX11::DoSetClientSize(int width, int height)
 773 {
 774     if (!GetMainWindow())
 775         return;
 776
 777     XWindowChanges windowChanges;
 778     int valueMask = 0;
 779
 780     if (width != -1)
 781     {
 782         windowChanges.width = width ;
 783         valueMask |= CWWidth;
 784     }
 785     if (height != -1)
 786     {
 787         windowChanges.height = height ;
 788         valueMask |= CWHeight;
 789     }
 790     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 791         valueMask, & windowChanges);
 792 }
 793
 794 // For implementation purposes - sometimes decorations make the client area
 795 // smaller
 796 wxPoint wxWindowX11::GetClientAreaOrigin() const
 797 {
 798     return wxPoint(0, 0);
 799 }
 800
 801 // Makes an adjustment to the window position (for example, a frame that has
 802 // a toolbar that it manages itself).
 803 void wxWindowX11::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
 804 {
 805     if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
 806     {
 807         wxPoint pt(GetParent()->GetClientAreaOrigin());
 808         x += pt.x; y += pt.y;
 809     }
 810 }
 811
 812 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 813 {
 814     m_minWidth = minW;
 815     m_minHeight = minH;
 816     m_maxWidth = maxW;
 817     m_maxHeight = maxH;
 818
 819     XSizeHints sizeHints;
 820     sizeHints.flags = 0;
 821
 822     if (minW > -1 && minH > -1)
 823     {
 824         sizeHints.flags |= PMinSize;
 825         sizeHints.min_width = minW;
 826         sizeHints.min_height = minH;
 827     }
 828     if (maxW > -1 && maxH > -1)
 829     {
 830         sizeHints.flags |= PMaxSize;
 831         sizeHints.max_width = maxW;
 832         sizeHints.max_height = maxH;
 833     }
 834     if (incW > -1 && incH > -1)
 835     {
 836         sizeHints.flags |= PResizeInc;
 837         sizeHints.width_inc = incW;
 838         sizeHints.height_inc = incH;
 839     }
 840
 841     XSetWMNormalHints(wxGlobalDisplay(), (Window) GetMainWindow(), & sizeHints);
 842 }
 843
 844 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 845 {
 846     DoSetSize(x, y, width, height);
 847 }
 848
 849 // ---------------------------------------------------------------------------
 850 // text metrics
 851 // ---------------------------------------------------------------------------
 852
 853 int wxWindowX11::GetCharHeight() const
 854 {
 855     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 856
 857     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 858
 859     int direction, ascent, descent;
 860     XCharStruct overall;
 861     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 862         &descent, &overall);
 863
 864     //  return (overall.ascent + overall.descent);
 865     return (ascent + descent);
 866 }
 867
 868 int wxWindowX11::GetCharWidth() const
 869 {
 870     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 871
 872     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 873
 874     int direction, ascent, descent;
 875     XCharStruct overall;
 876     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 877         &descent, &overall);
 878
 879     return overall.width;
 880 }
 881
 882 void wxWindowX11::GetTextExtent(const wxString& string,
 883                              int *x, int *y,
 884                              int *descent, int *externalLeading,
 885                              const wxFont *theFont) const
 886 {
 887     wxFont fontToUse = m_font;
 888     if (theFont) fontToUse = *theFont;
 889
 890     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
 891
 892     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, GetXDisplay());
 893
 894     int direction, ascent, descent2;
 895     XCharStruct overall;
 896     int slen = string.Len();
 897
 898 #if 0
 899     if (use16)
 900         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
 901         &ascent, &descent2, &overall);
 902 #endif
 903
 904     XTextExtents((XFontStruct*) pFontStruct, string.c_str(), slen,
 905                  &direction, &ascent, &descent2, &overall);
 906
 907     if ( x )
 908         *x = (overall.width);
 909     if ( y )
 910         *y = (ascent + descent2);
 911     if (descent)
 912         *descent = descent2;
 913     if (externalLeading)
 914         *externalLeading = 0;
 915
 916 }
 917
 918 // ----------------------------------------------------------------------------
 919 // painting
 920 // ----------------------------------------------------------------------------
 921
 922 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
 923 {
 924     if (eraseBack)
 925     {
 926         if (rect)
 927         {
 928             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 929             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
 930         }
 931         else
 932         {
 933             int height,width;
 934             GetSize( &width, &height );
 935
 936             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 937             m_clearRegion.Clear();
 938             m_clearRegion.Union( 0, 0, width, height );
 939         }
 940     }
 941
 942     if (rect)
 943     {
 944          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 945          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
 946     }
 947     else
 948     {
 949         int height,width;
 950         GetSize( &width, &height );
 951
 952         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 953         m_updateRegion.Clear();
 954         m_updateRegion.Union( 0, 0, width, height );
 955     }
 956 }
 957
 958 void wxWindowX11::Update()
 959 {
 960     if (!m_updateRegion.IsEmpty())
 961     {
 962         X11SendPaintEvents();
 963     }
 964 }
 965
 966 void wxWindowX11::Clear()
 967 {
 968     wxClientDC dc((wxWindow*) this);
 969     wxBrush brush(GetBackgroundColour(), wxSOLID);
 970     dc.SetBackground(brush);
 971     dc.Clear();
 972 }
 973
 974 void wxWindowX11::X11SendPaintEvents()
 975 {
 976     m_clipPaintRegion = TRUE;
 977
 978     //    if (!m_clearRegion.IsEmpty())
 979     {
 980         wxWindowDC dc( (wxWindow*)this );
 981         dc.SetClippingRegion( m_clearRegion );
 982
 983         wxEraseEvent erase_event( GetId(), &dc );
 984         erase_event.SetEventObject( this );
 985
 986         if (!GetEventHandler()->ProcessEvent(erase_event))
 987         {
 988             wxRegionIterator upd( m_clearRegion );
 989             while (upd)
 990             {
 991                 XClearArea( wxGlobalDisplay(), (Window) m_mainWidget,
 992                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight(), False );
 993                 upd ++;
 994             }
 995         }
 996         m_clearRegion.Clear();
 997     }
 998
 999     wxNcPaintEvent nc_paint_event( GetId() );
1000     nc_paint_event.SetEventObject( this );
1001     GetEventHandler()->ProcessEvent( nc_paint_event );
1002
1003     wxPaintEvent paint_event( GetId() );
1004     paint_event.SetEventObject( this );
1005     GetEventHandler()->ProcessEvent( paint_event );
1006
1007     m_updateRegion.Clear();
1008
1009     m_clipPaintRegion = FALSE;
1010 }
1011
1012 // ----------------------------------------------------------------------------
1013 // event handlers
1014 // ----------------------------------------------------------------------------
1015
1016 // Responds to colour changes: passes event on to children.
1017 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1018 {
1019     wxWindowList::Node *node = GetChildren().GetFirst();
1020     while ( node )
1021     {
1022         // Only propagate to non-top-level windows
1023         wxWindow *win = node->GetData();
1024         if ( win->GetParent() )
1025         {
1026             wxSysColourChangedEvent event2;
1027             event.m_eventObject = win;
1028             win->GetEventHandler()->ProcessEvent(event2);
1029         }
1030
1031         node = node->GetNext();
1032     }
1033 }
1034
1035 void wxWindowX11::OnInternalIdle()
1036 {
1037     // Update invalidated regions.
1038     Update();
1039
1040     // This calls the UI-update mechanism (querying windows for
1041     // menu/toolbar/control state information)
1042     UpdateWindowUI();
1043 }
1044
1045 // ----------------------------------------------------------------------------
1046 // function which maintain the global hash table mapping Widgets to wxWindows
1047 // ----------------------------------------------------------------------------
1048
1049 bool wxAddWindowToTable(Window w, wxWindow *win)
1050 {
1051     wxWindow *oldItem = NULL;
1052     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1053     {
1054         wxLogDebug("Widget table clash: new widget is %ld, %s",
1055                    (long)w, win->GetClassInfo()->GetClassName());
1056         return FALSE;
1057     }
1058
1059     wxWidgetHashTable->Put((long) w, win);
1060
1061     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1062                w, win, win->GetClassInfo()->GetClassName());
1063
1064     return TRUE;
1065 }
1066
1067 wxWindow *wxGetWindowFromTable(Window w)
1068 {
1069     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1070 }
1071
1072 void wxDeleteWindowFromTable(Window w)
1073 {
1074     wxWidgetHashTable->Delete((long)w);
1075 }
1076
1077 // ----------------------------------------------------------------------------
1078 // add/remove window from the table
1079 // ----------------------------------------------------------------------------
1080
1081 // ----------------------------------------------------------------------------
1082 // X11-specific accessors
1083 // ----------------------------------------------------------------------------
1084
1085 // Get the underlying X window
1086 WXWindow wxWindowX11::GetXWindow() const
1087 {
1088     return GetMainWindow();
1089 }
1090
1091 // Get the underlying X display
1092 WXDisplay *wxWindowX11::GetXDisplay() const
1093 {
1094     return wxGetDisplay();
1095 }
1096
1097 WXWindow wxWindowX11::GetMainWindow() const
1098 {
1099     return m_mainWidget;
1100 }
1101
1102 // ----------------------------------------------------------------------------
1103 // TranslateXXXEvent() functions
1104 // ----------------------------------------------------------------------------
1105
1106 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1107 {
1108     switch (xevent->xany.type)
1109     {
1110         case EnterNotify:
1111         case LeaveNotify:
1112         case ButtonPress:
1113         case ButtonRelease:
1114         case MotionNotify:
1115         {
1116             wxEventType eventType = wxEVT_NULL;
1117
1118             if (xevent->xany.type == EnterNotify)
1119             {
1120                 //if (local_event.xcrossing.mode!=NotifyNormal)
1121                 //  return ; // Ignore grab events
1122                 eventType = wxEVT_ENTER_WINDOW;
1123                 //            canvas->GetEventHandler()->OnSetFocus();
1124             }
1125             else if (xevent->xany.type == LeaveNotify)
1126             {
1127                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1128                 //  return ; // Ignore grab events
1129                 eventType = wxEVT_LEAVE_WINDOW;
1130                 //            canvas->GetEventHandler()->OnKillFocus();
1131             }
1132             else if (xevent->xany.type == MotionNotify)
1133             {
1134                 eventType = wxEVT_MOTION;
1135             }
1136             else if (xevent->xany.type == ButtonPress)
1137             {
1138                 wxevent.SetTimestamp(xevent->xbutton.time);
1139                 int button = 0;
1140                 if (xevent->xbutton.button == Button1)
1141                 {
1142                     eventType = wxEVT_LEFT_DOWN;
1143                     button = 1;
1144                 }
1145                 else if (xevent->xbutton.button == Button2)
1146                 {
1147                     eventType = wxEVT_MIDDLE_DOWN;
1148                     button = 2;
1149                 }
1150                 else if (xevent->xbutton.button == Button3)
1151                 {
1152                     eventType = wxEVT_RIGHT_DOWN;
1153                     button = 3;
1154                 }
1155
1156                 // check for a double click
1157                 // TODO: where can we get this value from?
1158                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1159                 long dclickTime = 200;
1160                 long ts = wxevent.GetTimestamp();
1161
1162                 int buttonLast = win->GetLastClickedButton();
1163                 long lastTS = win->GetLastClickTime();
1164                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1165                 {
1166                     // I have a dclick
1167                     win->SetLastClick(0, ts);
1168                     if ( eventType == wxEVT_LEFT_DOWN )
1169                         eventType = wxEVT_LEFT_DCLICK;
1170                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1171                         eventType = wxEVT_MIDDLE_DCLICK;
1172                     else if ( eventType == wxEVT_RIGHT_DOWN )
1173                         eventType = wxEVT_RIGHT_DCLICK;
1174                 }
1175                 else
1176                 {
1177                     // not fast enough or different button
1178                     win->SetLastClick(button, ts);
1179                 }
1180             }
1181             else if (xevent->xany.type == ButtonRelease)
1182             {
1183                 if (xevent->xbutton.button == Button1)
1184                 {
1185                     eventType = wxEVT_LEFT_UP;
1186                 }
1187                 else if (xevent->xbutton.button == Button2)
1188                 {
1189                     eventType = wxEVT_MIDDLE_UP;
1190                 }
1191                 else if (xevent->xbutton.button == Button3)
1192                 {
1193                     eventType = wxEVT_RIGHT_UP;
1194                 }
1195                 else return FALSE;
1196             }
1197             else
1198             {
1199                 return FALSE;
1200             }
1201
1202             wxevent.SetEventType(eventType);
1203
1204             wxevent.m_x = xevent->xbutton.x;
1205             wxevent.m_y = xevent->xbutton.y;
1206
1207             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1208                 || (event_left_is_down (xevent)
1209                 && (eventType != wxEVT_LEFT_UP)));
1210             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1211                 || (event_middle_is_down (xevent)
1212                 && (eventType != wxEVT_MIDDLE_UP)));
1213             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1214                 || (event_right_is_down (xevent)
1215                 && (eventType != wxEVT_RIGHT_UP)));
1216
1217             wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
1218             wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
1219             wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
1220             wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
1221
1222             wxevent.SetId(win->GetId());
1223             wxevent.SetEventObject(win);
1224
1225             return TRUE;
1226         }
1227     }
1228     return FALSE;
1229 }
1230
1231 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent)
1232 {
1233     switch (xevent->xany.type)
1234     {
1235     case KeyPress:
1236     case KeyRelease:
1237         {
1238             char buf[20];
1239
1240             KeySym keySym;
1241             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1242             int id = wxCharCodeXToWX (keySym);
1243
1244             if (xevent->xkey.state & ShiftMask)
1245                 wxevent.m_shiftDown = TRUE;
1246             if (xevent->xkey.state & ControlMask)
1247                 wxevent.m_controlDown = TRUE;
1248             if (xevent->xkey.state & Mod3Mask)
1249                 wxevent.m_altDown = TRUE;
1250             if (xevent->xkey.state & Mod1Mask)
1251                 wxevent.m_metaDown = TRUE;
1252             wxevent.SetEventObject(win);
1253             wxevent.m_keyCode = id;
1254             wxevent.SetTimestamp(xevent->xkey.time);
1255
1256             wxevent.m_x = xevent->xbutton.x;
1257             wxevent.m_y = xevent->xbutton.y;
1258
1259             if (id > -1)
1260                 return TRUE;
1261             else
1262                 return FALSE;
1263             break;
1264         }
1265     default:
1266         break;
1267     }
1268     return FALSE;
1269 }
1270
1271 // ----------------------------------------------------------------------------
1272 // Colour stuff
1273 // ----------------------------------------------------------------------------
1274
1275 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1276 {
1277     wxWindowBase::SetBackgroundColour(col);
1278
1279     if (!GetMainWindow())
1280         return FALSE;
1281
1282     Display *xdisplay = (Display*) wxGlobalDisplay();
1283     int xscreen = DefaultScreen( xdisplay );
1284     Colormap cm = DefaultColormap( xdisplay, xscreen );
1285
1286     wxColour colour( col );
1287     colour.CalcPixel( (WXColormap) cm );
1288
1289     XSetWindowAttributes attrib;
1290     attrib.background_pixel = colour.GetPixel();
1291
1292     XChangeWindowAttributes(wxGlobalDisplay(),
1293         (Window) GetMainWindow(),
1294         CWBackPixel,
1295         & attrib);
1296
1297     return TRUE;
1298 }
1299
1300 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1301 {
1302     if ( !wxWindowBase::SetForegroundColour(col) )
1303         return FALSE;
1304
1305     return TRUE;
1306 }
1307
1308 // ----------------------------------------------------------------------------
1309 // global functions
1310 // ----------------------------------------------------------------------------
1311
1312 wxWindow *wxGetActiveWindow()
1313 {
1314     // TODO
1315     wxFAIL_MSG("Not implemented");
1316     return NULL;
1317 }
1318
1319 /* static */
1320 wxWindow *wxWindowBase::GetCapture()
1321 {
1322     return (wxWindow *)g_captureWindow;
1323 }
1324
1325
1326 // Find the wxWindow at the current mouse position, returning the mouse
1327 // position.
1328 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1329 {
1330     return wxFindWindowAtPoint(wxGetMousePosition());
1331 }
1332
1333 // Get the current mouse position.
1334 wxPoint wxGetMousePosition()
1335 {
1336     Display *display = wxGlobalDisplay();
1337     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1338     Window rootReturn, childReturn;
1339     int rootX, rootY, winX, winY;
1340     unsigned int maskReturn;
1341
1342     XQueryPointer (display,
1343                    rootWindow,
1344                    &rootReturn,
1345                    &childReturn,
1346                    &rootX, &rootY, &winX, &winY, &maskReturn);
1347     return wxPoint(rootX, rootY);
1348 }
1349
1350
1351 // ----------------------------------------------------------------------------
1352 // wxNoOptimize: switch off size optimization
1353 // ----------------------------------------------------------------------------
1354
1355 int wxNoOptimize::ms_count = 0;
1356