src/motif/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 #include "wx/listimpl.cpp"
  44
  45 #if  wxUSE_DRAG_AND_DROP
  46     #include "wx/dnd.h"
  47 #endif
  48
  49 #include <Xm/Xm.h>
  50
  51 #include <Xm/DrawingA.h>
  52 #include <Xm/ScrolledW.h>
  53 #include <Xm/ScrollBar.h>
  54 #include <Xm/Frame.h>
  55 #include <Xm/Label.h>
  56 #include <Xm/RowColumn.h>           // for XmMenuPosition
  57
  58 #include "wx/motif/private.h"
  59
  60 #include <string.h>
  61
  62 // ----------------------------------------------------------------------------
  63 // constants
  64 // ----------------------------------------------------------------------------
  65
  66 static const int SCROLL_MARGIN = 4;
  67
  68 // ----------------------------------------------------------------------------
  69 // global variables for this module
  70 // ----------------------------------------------------------------------------
  71
  72 extern wxHashTable *wxWidgetHashTable;
  73
  74 // ----------------------------------------------------------------------------
  75 // private functions
  76 // ----------------------------------------------------------------------------
  77
  78 static void wxCanvasRepaintProc(Widget, XtPointer, XmDrawingAreaCallbackStruct * cbs);
  79 static void wxCanvasInputEvent(Widget drawingArea, XtPointer data, XmDrawingAreaCallbackStruct * cbs);
  80 static void wxCanvasMotionEvent(Widget, XButtonEvent * event);
  81 static void wxCanvasEnterLeave(Widget drawingArea, XtPointer clientData, XCrossingEvent * event);
  82 static void wxScrollBarCallback(Widget widget, XtPointer clientData,
  83                                 XmScaleCallbackStruct *cbs);
  84 static void wxPanelItemEventHandler(Widget    wid,
  85                                     XtPointer client_data,
  86                                     XEvent*   event,
  87                                     Boolean  *continueToDispatch);
  88
  89 // unused for now
  90 #if 0
  91
  92 // Helper function for 16-bit fonts
  93 static int str16len(const char *s)
  94 {
  95     int count = 0;
  96
  97     while (s[0] && s[1]) {
  98         count++;
  99         s += 2;
 100     }
 101
 102     return count;
 103 }
 104
 105 #endif // 0
 106
 107 // ----------------------------------------------------------------------------
 108 // macros
 109 // ----------------------------------------------------------------------------
 110
 111 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
 112 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
 113 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
 114
 115 // ----------------------------------------------------------------------------
 116 // event tables
 117 // ----------------------------------------------------------------------------
 118
 119 #if !USE_SHARED_LIBRARY
 120     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
 121
 122     BEGIN_EVENT_TABLE(wxWindow, wxWindowBase)
 123         EVT_SYS_COLOUR_CHANGED(wxWindow::OnSysColourChanged)
 124         EVT_IDLE(wxWindow::OnIdle)
 125     END_EVENT_TABLE()
 126 #endif // USE_SHARED_LIBRARY
 127
 128 // ============================================================================
 129 // implementation
 130 // ============================================================================
 131
 132 // ----------------------------------------------------------------------------
 133 // list types
 134 // ----------------------------------------------------------------------------
 135
 136 WX_DEFINE_LIST(wxRectList);
 137
 138 // ----------------------------------------------------------------------------
 139 // helper functions
 140 // ----------------------------------------------------------------------------
 141
 142 void wxWindow::UnmanageAndDestroy(WXWidget widget)
 143 {
 144     Widget w = (Widget)widget;
 145     if ( w )
 146     {
 147         XtUnmanageChild(w);
 148         XtDestroyWidget(w);
 149     }
 150 }
 151
 152 bool wxWindow::MapOrUnmap(WXWidget widget, bool map)
 153 {
 154     Widget w = (Widget)widget;
 155     if ( !w )
 156         return FALSE;
 157
 158     if ( map )
 159         XtMapWidget(w);
 160     else
 161         XtUnmapWidget(w);
 162
 163     return TRUE;
 164 }
 165
 166 // ----------------------------------------------------------------------------
 167 // constructors
 168 // ----------------------------------------------------------------------------
 169
 170 void wxWindow::Init()
 171 {
 172     // generic initializations first
 173     InitBase();
 174
 175     // Motif-specific
 176     m_needsRefresh = TRUE;
 177     m_mainWidget = (WXWidget) 0;
 178
 179     m_button1Pressed =
 180     m_button2Pressed =
 181     m_button3Pressed = FALSE;
 182
 183     m_winCaptured = FALSE;
 184
 185     m_isShown = TRUE;
 186     m_isBeingDeleted = FALSE;
 187
 188     m_hScrollBar =
 189     m_vScrollBar =
 190     m_borderWidget =
 191     m_scrolledWindow =
 192     m_drawingArea = (WXWidget) 0;
 193
 194     m_hScroll =
 195     m_vScroll = FALSE;
 196
 197     m_scrollPosX =
 198     m_scrollPosY = 0;
 199
 200     m_backingPixmap = (WXPixmap) 0;
 201     m_pixmapWidth =
 202     m_pixmapHeight = 0;
 203
 204     m_pixmapOffsetX =
 205     m_pixmapOffsetY = 0;
 206
 207     m_lastTS = 0;
 208     m_lastButton = 0;
 209     m_canAddEventHandler = FALSE;
 210 }
 211
 212 // real construction (Init() must have been called before!)
 213 bool wxWindow::Create(wxWindow *parent, wxWindowID id,
 214                       const wxPoint& pos,
 215                       const wxSize& size,
 216                       long style,
 217                       const wxString& name)
 218 {
 219     wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
 220
 221     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 222
 223     parent->AddChild(this);
 224
 225     m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 226     m_foregroundColour = *wxBLACK;
 227
 228     //// TODO: we should probably optimize by only creating a
 229     //// a drawing area if we have one or more scrollbars (wxVSCROLL/wxHSCROLL).
 230     //// But for now, let's simplify things by always creating the
 231     //// drawing area, since otherwise the translations are different.
 232
 233     // New translations for getting mouse motion feedback
 234     static const String translations =
 235 "<Btn1Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 236 <Btn2Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 237 <Btn3Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 238 <BtnMotion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 239 <Btn1Down>: DrawingAreaInput() ManagerGadgetArm()\n\
 240 <Btn2Down>: DrawingAreaInput() ManagerGadgetArm()\n\
 241 <Btn3Down>: DrawingAreaInput() ManagerGadgetArm()\n\
 242 <Btn1Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
 243 <Btn2Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
 244 <Btn3Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
 245 <Motion>: wxCanvasMotionEvent() DrawingAreaInput()\n\
 246 <EnterWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
 247 <LeaveWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
 248 <Key>: DrawingAreaInput()";
 249
 250     XtActionsRec actions[1];
 251     actions[0].string = "wxCanvasMotionEvent";
 252     actions[0].proc = (XtActionProc) wxCanvasMotionEvent;
 253     XtAppAddActions ((XtAppContext) wxTheApp->GetAppContext(), actions, 1);
 254
 255     Widget parentWidget = (Widget) parent->GetClientWidget();
 256     if (style & wxBORDER)
 257     {
 258         m_borderWidget = (WXWidget)XtVaCreateManagedWidget
 259                                    (
 260                                     "canvasBorder",
 261                                     xmFrameWidgetClass, parentWidget,
 262                                     XmNshadowType, XmSHADOW_IN,
 263                                     NULL
 264                                    );
 265     }
 266
 267     m_scrolledWindow = (WXWidget)XtVaCreateManagedWidget
 268                                  (
 269                                   "scrolledWindow",
 270                                   xmScrolledWindowWidgetClass,
 271                                   m_borderWidget ? (Widget) m_borderWidget
 272                                                  : parentWidget,
 273                                   XmNresizePolicy, XmRESIZE_NONE,
 274                                   XmNspacing, 0,
 275                                   XmNscrollingPolicy, XmAPPLICATION_DEFINED,
 276                                   //XmNscrollBarDisplayPolicy, XmAS_NEEDED,
 277                                   NULL
 278                                  );
 279
 280     XtTranslations ptr = XtParseTranslationTable(translations);
 281     m_drawingArea = (WXWidget)XtVaCreateWidget
 282                               (
 283                                name,
 284                                xmDrawingAreaWidgetClass, (Widget) m_scrolledWindow,
 285                                XmNunitType, XmPIXELS,
 286                                // XmNresizePolicy, XmRESIZE_ANY,
 287                                XmNresizePolicy, XmRESIZE_NONE,
 288                                XmNmarginHeight, 0,
 289                                XmNmarginWidth, 0,
 290                                XmNtranslations, ptr,
 291                                NULL
 292                               );
 293     XtFree((char *) ptr);
 294
 295 #if 0
 296     if (GetWindowStyleFlag() & wxOVERRIDE_KEY_TRANSLATIONS)
 297     {
 298         ptr = XtParseTranslationTable ("<Key>: DrawingAreaInput()");
 299         XtOverrideTranslations ((Widget) m_drawingArea, ptr);
 300         XtFree ((char *) ptr);
 301     }
 302 #endif // 0
 303
 304     wxAddWindowToTable((Widget) m_drawingArea, this);
 305     wxAddWindowToTable((Widget) m_scrolledWindow, this);
 306
 307     // This order is very important in Motif 1.2.1
 308     XtRealizeWidget ((Widget) m_scrolledWindow);
 309     XtRealizeWidget ((Widget) m_drawingArea);
 310     XtManageChild ((Widget) m_drawingArea);
 311
 312     ptr = XtParseTranslationTable("<Configure>: resize()");
 313     XtOverrideTranslations((Widget) m_drawingArea, ptr);
 314     XtFree ((char *) ptr);
 315
 316     XtAddCallback ((Widget) m_drawingArea, XmNexposeCallback, (XtCallbackProc) wxCanvasRepaintProc, (XtPointer) this);
 317     XtAddCallback ((Widget) m_drawingArea, XmNinputCallback, (XtCallbackProc) wxCanvasInputEvent, (XtPointer) this);
 318
 319     // TODO?
 320 #if 0
 321     display = XtDisplay (scrolledWindow);
 322     xwindow = XtWindow (drawingArea);
 323 #endif // 0
 324
 325     XtAddEventHandler(
 326                       (Widget)m_drawingArea,
 327                        PointerMotionHintMask | EnterWindowMask |
 328                        LeaveWindowMask | FocusChangeMask,
 329                        False,
 330                        (XtEventHandler) wxCanvasEnterLeave,
 331                        (XtPointer) this
 332                      );
 333
 334     // Scrolled widget needs to have its colour changed or we get a little blue
 335     // square where the scrollbars abutt
 336     wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 337     DoChangeBackgroundColour(m_scrolledWindow, backgroundColour, TRUE);
 338     DoChangeBackgroundColour(m_drawingArea, backgroundColour, TRUE);
 339
 340     XmScrolledWindowSetAreas(
 341                              (Widget)m_scrolledWindow,
 342                              (Widget) 0, (Widget) 0,
 343                              (Widget) m_drawingArea);
 344
 345 #if 0
 346     if (m_hScrollBar)
 347         XtRealizeWidget ((Widget) m_hScrollBar);
 348     if (m_vScrollBar)
 349         XtRealizeWidget ((Widget) m_vScrollBar);
 350 #endif // 0
 351
 352     // Without this, the cursor may not be restored properly (e.g. in splitter
 353     // sample).
 354     SetCursor(*wxSTANDARD_CURSOR);
 355     SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
 356     SetSize(pos.x, pos.y, size.x, size.y);
 357
 358     return TRUE;
 359 }
 360
 361 // Destructor
 362 wxWindow::~wxWindow()
 363 {
 364     m_isBeingDeleted = TRUE;
 365
 366     // Motif-specific actions first
 367     WXWidget wMain = GetMainWidget();
 368     if ( wMain )
 369     {
 370         // Removes event handlers
 371         DetachWidget(wMain);
 372     }
 373
 374     ClearUpdateRects();
 375
 376     if ( m_parent )
 377         m_parent->RemoveChild( this );
 378
 379     // If m_drawingArea, we're a fully-fledged window with drawing area,
 380     // scrollbars etc. (what wxCanvas used to be)
 381     if ( m_drawingArea )
 382     {
 383         // Destroy children before destroying self
 384         DestroyChildren();
 385
 386         if (m_backingPixmap)
 387             XFreePixmap (XtDisplay ((Widget) GetMainWidget()), (Pixmap) m_backingPixmap);
 388
 389         Widget w = (Widget) m_drawingArea;
 390         wxDeleteWindowFromTable(w);
 391
 392         if (w)
 393         {
 394             XtDestroyWidget(w);
 395         }
 396
 397         m_mainWidget = (WXWidget) 0;
 398
 399         // Only if we're _really_ a canvas (not a dialog box/panel)
 400         if (m_scrolledWindow)
 401         {
 402             wxDeleteWindowFromTable((Widget) m_scrolledWindow);
 403         }
 404
 405         UnmanageAndDestroy(m_hScrollBar);
 406         UnmanageAndDestroy(m_vScrollBar);
 407         UnmanageAndDestroy(m_scrolledWindow);
 408
 409         if (m_borderWidget)
 410         {
 411             XtDestroyWidget ((Widget) m_borderWidget);
 412             m_borderWidget = (WXWidget) 0;
 413         }
 414     }
 415
 416     // Destroy the window
 417     if (GetMainWidget())
 418     {
 419         // If this line (XtDestroyWidget) causes a crash, you may comment it out.
 420         // Child widgets will get destroyed automatically when a frame
 421         // or dialog is destroyed, but before that you may get some memory
 422         // leaks and potential layout problems if you delete and then add
 423         // child windows.
 424         XtDestroyWidget((Widget) GetMainWidget());
 425         SetMainWidget((WXWidget) NULL);
 426     }
 427 }
 428
 429 // ----------------------------------------------------------------------------
 430 // scrollbar management
 431 // ----------------------------------------------------------------------------
 432
 433 // Helper function
 434 void wxWindow::CreateScrollbar(wxOrientation orientation)
 435 {
 436     wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
 437
 438     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
 439
 440     // Add scrollbars if required
 441     if (orientation == wxHORIZONTAL)
 442     {
 443         Widget hScrollBar = XtVaCreateManagedWidget ("hsb",
 444             xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
 445             XmNorientation, XmHORIZONTAL,
 446             NULL);
 447         //      XtAddCallback (hScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 448         XtAddCallback (hScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 449         XtAddCallback (hScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 450         XtAddCallback (hScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 451         XtAddCallback (hScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 452         XtAddCallback (hScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 453         XtAddCallback (hScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 454         XtAddCallback (hScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 455
 456         XtVaSetValues (hScrollBar,
 457             XmNincrement, 1,
 458             XmNvalue, 0,
 459             NULL);
 460
 461         m_hScrollBar = (WXWidget) hScrollBar;
 462
 463         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 464         DoChangeBackgroundColour(m_hScrollBar, backgroundColour, TRUE);
 465
 466         XtRealizeWidget(hScrollBar);
 467
 468         XtVaSetValues((Widget) m_scrolledWindow,
 469             XmNhorizontalScrollBar, (Widget) m_hScrollBar,
 470             NULL);
 471
 472         m_hScroll = TRUE;
 473     }
 474
 475     if (orientation == wxVERTICAL)
 476     {
 477         Widget vScrollBar = XtVaCreateManagedWidget ("vsb",
 478             xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
 479             XmNorientation, XmVERTICAL,
 480             NULL);
 481         //      XtAddCallback (vScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 482         XtAddCallback (vScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 483         XtAddCallback (vScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 484         XtAddCallback (vScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 485         XtAddCallback (vScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 486         XtAddCallback (vScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 487         XtAddCallback (vScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 488         XtAddCallback (vScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 489
 490         XtVaSetValues (vScrollBar,
 491             XmNincrement, 1,
 492             XmNvalue, 0,
 493             NULL);
 494
 495         m_vScrollBar = (WXWidget) vScrollBar;
 496         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 497         DoChangeBackgroundColour(m_vScrollBar, backgroundColour, TRUE);
 498
 499         XtRealizeWidget(vScrollBar);
 500
 501         XtVaSetValues((Widget) m_scrolledWindow,
 502             XmNverticalScrollBar, (Widget) m_vScrollBar,
 503             NULL);
 504
 505         m_vScroll = TRUE;
 506     }
 507
 508     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
 509 }
 510
 511 void wxWindow::DestroyScrollbar(wxOrientation orientation)
 512 {
 513     wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
 514
 515     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
 516     // Add scrollbars if required
 517     if (orientation == wxHORIZONTAL)
 518     {
 519         if (m_hScrollBar)
 520         {
 521             XtDestroyWidget((Widget) m_hScrollBar);
 522         }
 523         m_hScrollBar = (WXWidget) 0;
 524         m_hScroll = FALSE;
 525
 526         XtVaSetValues((Widget) m_scrolledWindow,
 527             XmNhorizontalScrollBar, (Widget) 0,
 528             NULL);
 529
 530     }
 531
 532     if (orientation == wxVERTICAL)
 533     {
 534         if (m_vScrollBar)
 535         {
 536             XtDestroyWidget((Widget) m_vScrollBar);
 537         }
 538         m_vScrollBar = (WXWidget) 0;
 539         m_vScroll = TRUE;
 540
 541         XtVaSetValues((Widget) m_scrolledWindow,
 542             XmNverticalScrollBar, (Widget) 0,
 543             NULL);
 544
 545     }
 546     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
 547 }
 548
 549 // ---------------------------------------------------------------------------
 550 // basic operations
 551 // ---------------------------------------------------------------------------
 552
 553 void wxWindow::SetFocus()
 554 {
 555     Widget wMain = (Widget) GetMainWidget();
 556     XmProcessTraversal(wMain, XmTRAVERSE_CURRENT);
 557     XmProcessTraversal((Widget) GetMainWidget(), XmTRAVERSE_CURRENT);
 558 }
 559
 560 // Get the window with the focus
 561 wxWindow *wxWindowBase::FindFocus()
 562 {
 563     // TODO Problems:
 564     // (1) Can there be multiple focussed widgets in an application?
 565     // In which case we need to find the top-level window that's
 566     // currently active.
 567     // (2) The widget with the focus may not be in the widget table
 568     // depending on which widgets I put in the table
 569     wxWindow *winFocus = (wxWindow *)NULL;
 570     for ( wxWindowList::Node *node = wxTopLevelWindows.GetFirst();
 571           node;
 572           node = node->GetNext() )
 573     {
 574         wxWindow *win = node->GetData();
 575
 576         Widget w = XmGetFocusWidget ((Widget) win->GetTopWidget());
 577
 578         if (w != (Widget) NULL)
 579         {
 580             winFocus = wxGetWindowFromTable(w);
 581             if ( winFocus )
 582                 break;
 583         }
 584     }
 585
 586     return winFocus;
 587 }
 588
 589 bool wxWindow::Enable(bool enable)
 590 {
 591     if ( !wxWindowBase::Enable(enable) )
 592         return FALSE;
 593
 594     Widget wMain = (Widget)GetMainWidget();
 595     if ( wMain )
 596     {
 597         XtSetSensitive(wMain, enable);
 598         XmUpdateDisplay(wMain);
 599     }
 600
 601     return TRUE;
 602 }
 603
 604 bool wxWindow::Show(bool show)
 605 {
 606     if ( !wxWindowBase::Show(show) )
 607         return FALSE;
 608
 609     if (m_borderWidget || m_scrolledWindow)
 610     {
 611         MapOrUnmap(m_drawingArea, show);
 612         MapOrUnmap(m_borderWidget ? m_borderWidget : m_scrolledWindow, show);
 613     }
 614     else
 615     {
 616         if ( !MapOrUnmap(GetTopWidget(), show) )
 617             MapOrUnmap(GetMainWidget(), show);
 618     }
 619
 620 #if 0
 621     Window xwin = (Window) GetXWindow();
 622     Display *xdisp = (Display*) GetXDisplay();
 623     if (show)
 624         XMapWindow(xdisp, xwin);
 625     else
 626         XUnmapWindow(xdisp, xwin);
 627 #endif
 628
 629     return TRUE;
 630 }
 631
 632 // Raise the window to the top of the Z order
 633 void wxWindow::Raise()
 634 {
 635     Widget wTop = (Widget) GetTopWidget();
 636     Window window = XtWindow(wTop);
 637     XRaiseWindow(XtDisplay(wTop), window);
 638 }
 639
 640 // Lower the window to the bottom of the Z order
 641 void wxWindow::Lower()
 642 {
 643     Widget wTop = (Widget) GetTopWidget();
 644     Window window = XtWindow(wTop);
 645     XLowerWindow(XtDisplay(wTop), window);
 646 }
 647
 648 void wxWindow::SetTitle(const wxString& title)
 649 {
 650     XtVaSetValues((Widget)GetMainWidget(), XmNtitle, title.c_str(), NULL);
 651 }
 652
 653 wxString wxWindow::GetTitle() const
 654 {
 655     char *title;
 656     XtVaGetValues((Widget)GetMainWidget(), XmNtitle, &title, NULL);
 657
 658     return wxString(title);
 659 }
 660
 661 void wxWindow::CaptureMouse()
 662 {
 663     if ( m_winCaptured )
 664         return;
 665
 666     Widget wMain = (Widget)GetMainWidget();
 667     if ( wMain )
 668         XtAddGrab(wMain, TRUE, FALSE);
 669
 670     m_winCaptured = TRUE;
 671 }
 672
 673 void wxWindow::ReleaseMouse()
 674 {
 675     if ( !m_winCaptured )
 676         return;
 677
 678     Widget wMain = (Widget)GetMainWidget();
 679     if ( wMain )
 680         XtRemoveGrab(wMain);
 681
 682     m_winCaptured = FALSE;
 683 }
 684
 685 bool wxWindow::SetFont(const wxFont& font)
 686 {
 687     if ( !wxWindowBase::SetFont(font) )
 688     {
 689         // nothing to do
 690         return FALSE;
 691     }
 692
 693     ChangeFont();
 694
 695     return TRUE;
 696 }
 697
 698 bool wxWindow::SetCursor(const wxCursor& cursor)
 699 {
 700     if ( !wxWindowBase::SetCursor(cursor) )
 701     {
 702         // no change
 703         return FALSE;
 704     }
 705
 706     wxASSERT_MSG( m_cursor.Ok(),
 707                   _T("cursor must be valid after call to the base version"));
 708
 709     WXDisplay *dpy = GetXDisplay();
 710     WXCursor x_cursor = m_cursor.GetXCursor(dpy);
 711
 712     Widget w = (Widget) GetMainWidget();
 713     Window win = XtWindow(w);
 714     XDefineCursor((Display*) dpy, win, (Cursor) x_cursor);
 715
 716     return TRUE;
 717 }
 718
 719 // Coordinates relative to the window
 720 void wxWindow::WarpPointer (int x, int y)
 721 {
 722     Widget wClient = (Widget)GetClientWidget();
 723
 724     XWarpPointer(XtDisplay(wClient), None, XtWindow(wClient), 0, 0, 0, 0, x, y);
 725 }
 726
 727 // ---------------------------------------------------------------------------
 728 // scrolling stuff
 729 // ---------------------------------------------------------------------------
 730
 731 int wxWindow::GetScrollPos(int orient) const
 732 {
 733     if (orient == wxHORIZONTAL)
 734         return m_scrollPosX;
 735     else
 736         return m_scrollPosY;
 737
 738 #if 0
 739     Widget scrollBar = (Widget) ((orient == wxHORIZONTAL) ? m_hScrollBar : m_vScrollBar);
 740     if (scrollBar)
 741     {
 742         int pos;
 743         XtVaGetValues(scrollBar, XmNvalue, &pos, NULL);
 744         return pos;
 745     }
 746     else
 747         return 0;
 748 #endif // 0
 749 }
 750
 751 // This now returns the whole range, not just the number of positions that we
 752 // can scroll.
 753 int wxWindow::GetScrollRange(int orient) const
 754 {
 755     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 756     wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
 757
 758     int range;
 759     XtVaGetValues(scrollBar, XmNmaximum, &range, NULL);
 760     return range;
 761 }
 762
 763 int wxWindow::GetScrollThumb(int orient) const
 764 {
 765     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 766     wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
 767
 768     int thumb;
 769     XtVaGetValues(scrollBar, XmNsliderSize, &thumb, NULL);
 770     return thumb;
 771 }
 772
 773 void wxWindow::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh))
 774 {
 775     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 776
 777     if ( scrollBar )
 778     {
 779         XtVaSetValues (scrollBar, XmNvalue, pos, NULL);
 780     }
 781
 782     SetInternalScrollPos((wxOrientation)orient, pos);
 783 }
 784
 785 // New function that will replace some of the above.
 786 void wxWindow::SetScrollbar(int orient, int pos, int thumbVisible,
 787                             int range, bool WXUNUSED(refresh))
 788 {
 789     int oldW, oldH;
 790     GetSize(& oldW, & oldH);
 791
 792     if (range == 0)
 793         range = 1;
 794     if (thumbVisible == 0)
 795         thumbVisible = 1;
 796
 797     if (thumbVisible > range)
 798         thumbVisible = range;
 799
 800     // Save the old state to see if it changed
 801     WXWidget oldScrollBar = GetScrollbar((wxOrientation)orient);
 802
 803     if (orient == wxHORIZONTAL)
 804     {
 805         if (thumbVisible == range)
 806         {
 807             if (m_hScrollBar)
 808                 DestroyScrollbar(wxHORIZONTAL);
 809         }
 810         else
 811         {
 812             if (!m_hScrollBar)
 813                 CreateScrollbar(wxHORIZONTAL);
 814         }
 815     }
 816     if (orient == wxVERTICAL)
 817     {
 818         if (thumbVisible == range)
 819         {
 820             if (m_vScrollBar)
 821                 DestroyScrollbar(wxVERTICAL);
 822         }
 823         else
 824         {
 825             if (!m_vScrollBar)
 826                 CreateScrollbar(wxVERTICAL);
 827         }
 828     }
 829     WXWidget newScrollBar =  GetScrollbar((wxOrientation)orient);
 830
 831     if (oldScrollBar != newScrollBar)
 832     {
 833         // This is important! Without it, scrollbars misbehave badly.
 834         XtUnrealizeWidget((Widget) m_scrolledWindow);
 835         XmScrolledWindowSetAreas ((Widget) m_scrolledWindow, (Widget) m_hScrollBar, (Widget) m_vScrollBar, (Widget) m_drawingArea);
 836         XtRealizeWidget((Widget) m_scrolledWindow);
 837         XtManageChild((Widget) m_scrolledWindow);
 838     }
 839
 840     if (newScrollBar)
 841     {
 842         XtVaSetValues((Widget) newScrollBar,
 843         XmNvalue, pos,
 844         XmNminimum, 0,
 845         XmNmaximum, range,
 846         XmNsliderSize, thumbVisible,
 847         NULL);
 848     }
 849
 850     SetInternalScrollPos((wxOrientation)orient, pos);
 851
 852     int newW, newH;
 853     GetSize(& newW, & newH);
 854
 855     // Adjusting scrollbars can resize the canvas accidentally
 856     if (newW != oldW || newH != oldH)
 857         SetSize(-1, -1, oldW, oldH);
 858 }
 859
 860 // Does a physical scroll
 861 void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
 862 {
 863     int x, y, w, h;
 864     if (rect)
 865     {
 866         // Use specified rectangle
 867         x = rect->x; y = rect->y; w = rect->width; h = rect->height;
 868     }
 869     else
 870     {
 871         // Use whole client area
 872         x = 0; y = 0;
 873         GetClientSize(& w, & h);
 874     }
 875
 876     int x1 = (dx >= 0) ? x : x - dx;
 877     int y1 = (dy >= 0) ? y : y - dy;
 878     int w1 = w - abs(dx);
 879     int h1 = h - abs(dy);
 880     int x2 = (dx >= 0) ? x + dx : x;
 881     int y2 = (dy >= 0) ? y + dy : y;
 882
 883     wxClientDC dc(this);
 884
 885     dc.SetLogicalFunction (wxCOPY);
 886
 887     Widget widget = (Widget) GetMainWidget();
 888     Window window = XtWindow(widget);
 889     Display* display = XtDisplay(widget);
 890
 891     XCopyArea(display, window, window, (GC) dc.GetGC(),
 892               x1, y1, w1, h1, x2, y2);
 893
 894     dc.SetAutoSetting(TRUE);
 895     wxBrush brush(GetBackgroundColour(), wxSOLID);
 896     dc.SetBrush(brush); // FIXME: needed?
 897
 898     // We'll add rectangles to the list of update rectangles according to which
 899     // bits we've exposed.
 900     wxList updateRects;
 901
 902     if (dx > 0)
 903     {
 904         wxRect *rect = new wxRect;
 905         rect->x = x;
 906         rect->y = y;
 907         rect->width = dx;
 908         rect->height = h;
 909
 910         XFillRectangle(display, window,
 911             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 912
 913         rect->x = rect->x;
 914         rect->y = rect->y;
 915         rect->width = rect->width;
 916         rect->height = rect->height;
 917
 918         updateRects.Append((wxObject*) rect);
 919     }
 920     else if (dx < 0)
 921     {
 922         wxRect *rect = new wxRect;
 923
 924         rect->x = x + w + dx;
 925         rect->y = y;
 926         rect->width = -dx;
 927         rect->height = h;
 928
 929         XFillRectangle(display, window,
 930             (GC) dc.GetGC(), rect->x, rect->y, rect->width,
 931             rect->height);
 932
 933         rect->x = rect->x;
 934         rect->y = rect->y;
 935         rect->width = rect->width;
 936         rect->height = rect->height;
 937
 938         updateRects.Append((wxObject*) rect);
 939     }
 940     if (dy > 0)
 941     {
 942         wxRect *rect = new wxRect;
 943
 944         rect->x = x;
 945         rect->y = y;
 946         rect->width = w;
 947         rect->height = dy;
 948
 949         XFillRectangle(display, window,
 950             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 951
 952         rect->x = rect->x;
 953         rect->y = rect->y;
 954         rect->width = rect->width;
 955         rect->height = rect->height;
 956
 957         updateRects.Append((wxObject*) rect);
 958     }
 959     else if (dy < 0)
 960     {
 961         wxRect *rect = new wxRect;
 962
 963         rect->x = x;
 964         rect->y = y + h + dy;
 965         rect->width = w;
 966         rect->height = -dy;
 967
 968         XFillRectangle(display, window,
 969             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 970
 971         rect->x = rect->x;
 972         rect->y = rect->y;
 973         rect->width = rect->width;
 974         rect->height = rect->height;
 975
 976         updateRects.Append((wxObject*) rect);
 977     }
 978     dc.SetBrush(wxNullBrush);
 979
 980     // Now send expose events
 981
 982     wxNode* node = updateRects.First();
 983     while (node)
 984     {
 985         wxRect* rect = (wxRect*) node->Data();
 986         XExposeEvent event;
 987
 988         event.type = Expose;
 989         event.display = display;
 990         event.send_event = True;
 991         event.window = window;
 992
 993         event.x = rect->x;
 994         event.y = rect->y;
 995         event.width = rect->width;
 996         event.height = rect->height;
 997
 998         event.count = 0;
 999
1000         XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
1001
1002         node = node->Next();
1003
1004     }
1005
1006     // Delete the update rects
1007     node = updateRects.First();
1008     while (node)
1009     {
1010         wxRect* rect = (wxRect*) node->Data();
1011         delete rect;
1012         node = node->Next();
1013     }
1014
1015     XmUpdateDisplay((Widget) GetMainWidget());
1016 }
1017
1018 // ---------------------------------------------------------------------------
1019 // drag and drop
1020 // ---------------------------------------------------------------------------
1021
1022 #if wxUSE_DRAG_AND_DROP
1023
1024 void wxWindow::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
1025 {
1026     // TODO
1027 }
1028
1029 #endif
1030
1031 // Old style file-manager drag&drop
1032 void wxWindow::DragAcceptFiles(bool WXUNUSED(accept))
1033 {
1034     // TODO
1035 }
1036
1037 // ----------------------------------------------------------------------------
1038 // tooltips
1039 // ----------------------------------------------------------------------------
1040
1041 #if wxUSE_TOOLTIPS
1042
1043 void wxWindow::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
1044 {
1045     // TODO
1046 }
1047
1048 #endif // wxUSE_TOOLTIPS
1049
1050 // ----------------------------------------------------------------------------
1051 // popup menus
1052 // ----------------------------------------------------------------------------
1053
1054 bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
1055 {
1056     Widget widget = (Widget) GetMainWidget();
1057
1058     /* The menuId field seems to be usused, so we'll use it to
1059     indicate whether a menu is popped up or not:
1060     0: Not currently created as a popup
1061     -1: Created as a popup, but not active
1062     1: Active popup.
1063     */
1064
1065     if (menu->GetParent() && (menu->GetId() != -1))
1066         return FALSE;
1067
1068     if (menu->GetMainWidget()) {
1069         menu->DestroyMenu(TRUE);
1070     }
1071
1072     menu->SetId(1); /* Mark as popped-up */
1073     menu->CreateMenu(NULL, widget, menu);
1074     menu->SetInvokingWindow(this);
1075
1076     menu->UpdateUI();
1077
1078     //  menu->SetParent(parent);
1079     //  parent->children->Append(menu);  // Store menu for later deletion
1080
1081     Widget menuWidget = (Widget) menu->GetMainWidget();
1082
1083     int rootX = 0;
1084     int rootY = 0;
1085
1086     int deviceX = x;
1087     int deviceY = y;
1088     /*
1089     if (this->IsKindOf(CLASSINFO(wxCanvas)))
1090     {
1091     wxCanvas *canvas = (wxCanvas *) this;
1092     deviceX = canvas->GetDC ()->LogicalToDeviceX (x);
1093     deviceY = canvas->GetDC ()->LogicalToDeviceY (y);
1094     }
1095     */
1096
1097     Display *display = XtDisplay (widget);
1098     Window rootWindow = RootWindowOfScreen (XtScreen((Widget)widget));
1099     Window thisWindow = XtWindow (widget);
1100     Window childWindow;
1101     XTranslateCoordinates (display, thisWindow, rootWindow, (int) deviceX, (int) deviceY,
1102         &rootX, &rootY, &childWindow);
1103
1104     XButtonPressedEvent event;
1105     event.type = ButtonPress;
1106     event.button = 1;
1107
1108     event.x = deviceX;
1109     event.y = deviceY;
1110
1111     event.x_root = rootX;
1112     event.y_root = rootY;
1113
1114     XmMenuPosition (menuWidget, &event);
1115     XtManageChild (menuWidget);
1116
1117     return TRUE;
1118 }
1119
1120 // ---------------------------------------------------------------------------
1121 // moving and resizing
1122 // ---------------------------------------------------------------------------
1123
1124 bool wxWindow::PreResize()
1125 {
1126     return TRUE;
1127 }
1128
1129 // Get total size
1130 void wxWindow::DoGetSize(int *x, int *y) const
1131 {
1132     if (m_drawingArea)
1133     {
1134         CanvasGetSize(x, y);
1135         return;
1136     }
1137
1138     Widget widget = (Widget) GetTopWidget();
1139     Dimension xx, yy;
1140     XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1141     *x = xx; *y = yy;
1142 }
1143
1144 void wxWindow::DoGetPosition(int *x, int *y) const
1145 {
1146     if (m_drawingArea)
1147     {
1148         CanvasGetPosition(x, y);
1149         return;
1150     }
1151     Widget widget = (Widget) GetTopWidget();
1152     Position xx, yy;
1153     XtVaGetValues(widget, XmNx, &xx, XmNy, &yy, NULL);
1154
1155     // We may be faking the client origin. So a window that's really at (0, 30)
1156     // may appear (to wxWin apps) to be at (0, 0).
1157     if (GetParent())
1158     {
1159         wxPoint pt(GetParent()->GetClientAreaOrigin());
1160         xx -= pt.x;
1161         yy -= pt.y;
1162     }
1163
1164     *x = xx; *y = yy;
1165 }
1166
1167 void wxWindow::DoScreenToClient(int *x, int *y) const
1168 {
1169     Widget widget = (Widget) GetClientWidget();
1170     Display *display = XtDisplay((Widget) GetMainWidget());
1171     Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1172     Window thisWindow = XtWindow(widget);
1173
1174     Window childWindow;
1175     int xx = *x;
1176     int yy = *y;
1177     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
1178 }
1179
1180 void wxWindow::DoClientToScreen(int *x, int *y) const
1181 {
1182     Widget widget = (Widget) GetClientWidget();
1183     Display *display = XtDisplay(widget);
1184     Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1185     Window thisWindow = XtWindow(widget);
1186
1187     Window childWindow;
1188     int xx = *x;
1189     int yy = *y;
1190     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
1191 }
1192
1193
1194 // Get size *available for subwindows* i.e. excluding menu bar etc.
1195 void wxWindow::DoGetClientSize(int *x, int *y) const
1196 {
1197     Widget widget = (Widget) GetClientWidget();
1198     Dimension xx, yy;
1199     XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1200     *x = xx; *y = yy;
1201 }
1202
1203 void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1204 {
1205     // A bit of optimization to help sort out the flickers.
1206     int oldX, oldY, oldW, oldH;
1207     GetSize(& oldW, & oldH);
1208     GetPosition(& oldX, & oldY);
1209
1210     bool useOldPos = FALSE;
1211     bool useOldSize = FALSE;
1212
1213     if ((x == -1) && (x == -1) && ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0))
1214         useOldPos = TRUE;
1215     else if (x == oldX && y == oldY)
1216         useOldPos = TRUE;
1217
1218     if ((width == -1) && (height == -1))
1219         useOldSize = TRUE;
1220     else if (width == oldW && height == oldH)
1221         useOldSize = TRUE;
1222
1223     if (!wxNoOptimize::CanOptimize())
1224     {
1225         useOldSize = FALSE; useOldPos = FALSE;
1226     }
1227
1228     if (useOldPos && useOldSize)
1229         return;
1230
1231     if (m_drawingArea)
1232     {
1233         CanvasSetSize(x, y, width, height, sizeFlags);
1234         return;
1235     }
1236     Widget widget = (Widget) GetTopWidget();
1237     if (!widget)
1238         return;
1239
1240     bool managed = XtIsManaged( widget );
1241     if (managed)
1242         XtUnmanageChild(widget);
1243
1244     int xx = x; int yy = y;
1245     AdjustForParentClientOrigin(xx, yy, sizeFlags);
1246
1247     if (!useOldPos)
1248     {
1249         if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
1250             XtVaSetValues(widget, XmNx, xx, NULL);
1251         if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
1252             XtVaSetValues(widget, XmNy, yy, NULL);
1253     }
1254     if (!useOldSize)
1255     {
1256         if (width > -1)
1257             XtVaSetValues(widget, XmNwidth, width, NULL);
1258         if (height > -1)
1259             XtVaSetValues(widget, XmNheight, height, NULL);
1260     }
1261
1262     if (managed)
1263         XtManageChild(widget);
1264
1265     // How about this bit. Maybe we don't need to generate size events
1266     // all the time -- they'll be generated when the window is sized anyway.
1267 #if 0
1268     wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1269     sizeEvent.SetEventObject(this);
1270
1271       GetEventHandler()->ProcessEvent(sizeEvent);
1272 #endif // 0
1273 }
1274
1275 void wxWindow::DoSetClientSize(int width, int height)
1276 {
1277     if (m_drawingArea)
1278     {
1279         CanvasSetClientSize(width, height);
1280         return;
1281     }
1282
1283     Widget widget = (Widget) GetTopWidget();
1284
1285     if (width > -1)
1286         XtVaSetValues(widget, XmNwidth, width, NULL);
1287     if (height > -1)
1288         XtVaSetValues(widget, XmNheight, height, NULL);
1289
1290     wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1291     sizeEvent.SetEventObject(this);
1292
1293     GetEventHandler()->ProcessEvent(sizeEvent);
1294 }
1295
1296 // For implementation purposes - sometimes decorations make the client area
1297 // smaller
1298 wxPoint wxWindow::GetClientAreaOrigin() const
1299 {
1300     return wxPoint(0, 0);
1301 }
1302
1303 // Makes an adjustment to the window position (for example, a frame that has
1304 // a toolbar that it manages itself).
1305 void wxWindow::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
1306 {
1307     if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
1308     {
1309         wxPoint pt(GetParent()->GetClientAreaOrigin());
1310         x += pt.x; y += pt.y;
1311     }
1312 }
1313
1314 void wxWindow::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
1315 {
1316     m_minWidth = minW;
1317     m_minHeight = minH;
1318     m_maxWidth = maxW;
1319     m_maxHeight = maxH;
1320
1321     wxFrame *frame = wxDynamicCast(this, wxFrame);
1322     if ( !frame )
1323     {
1324         // TODO what about dialogs?
1325         return;
1326     }
1327
1328     Widget widget = (Widget) frame->GetShellWidget();
1329
1330     if (minW > -1)
1331         XtVaSetValues(widget, XmNminWidth, minW, NULL);
1332     if (minH > -1)
1333         XtVaSetValues(widget, XmNminHeight, minH, NULL);
1334     if (maxW > -1)
1335         XtVaSetValues(widget, XmNmaxWidth, maxW, NULL);
1336     if (maxH > -1)
1337         XtVaSetValues(widget, XmNmaxHeight, maxH, NULL);
1338     if (incW > -1)
1339         XtVaSetValues(widget, XmNwidthInc, incW, NULL);
1340     if (incH > -1)
1341         XtVaSetValues(widget, XmNheightInc, incH, NULL);
1342 }
1343
1344 // ---------------------------------------------------------------------------
1345 // text metrics
1346 // ---------------------------------------------------------------------------
1347
1348 int wxWindow::GetCharHeight() const
1349 {
1350     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1351
1352     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1353
1354     int direction, ascent, descent;
1355     XCharStruct overall;
1356     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1357         &descent, &overall);
1358
1359     //  return (overall.ascent + overall.descent);
1360     return (ascent + descent);
1361 }
1362
1363 int wxWindow::GetCharWidth() const
1364 {
1365     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1366
1367     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1368
1369     int direction, ascent, descent;
1370     XCharStruct overall;
1371     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1372         &descent, &overall);
1373
1374     return overall.width;
1375 }
1376
1377 void wxWindow::GetTextExtent(const wxString& string,
1378                              int *x, int *y,
1379                              int *descent, int *externalLeading,
1380                              const wxFont *theFont) const
1381 {
1382     wxFont *fontToUse = (wxFont *)theFont;
1383     if (!fontToUse)
1384         fontToUse = (wxFont *) & m_font;
1385
1386     wxCHECK_RET( fontToUse->Ok(), "valid window font needed" );
1387
1388     WXFontStructPtr pFontStruct = theFont->GetFontStruct(1.0, GetXDisplay());
1389
1390     int direction, ascent, descent2;
1391     XCharStruct overall;
1392     int slen = string.Len();
1393
1394 #if 0
1395     if (use16)
1396         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
1397         &ascent, &descent2, &overall);
1398 #endif
1399
1400     XTextExtents((XFontStruct*) pFontStruct, string, slen,
1401                  &direction, &ascent, &descent2, &overall);
1402
1403     if ( x )
1404         *x = (overall.width);
1405     if ( y )
1406         *y = (ascent + descent2);
1407     if (descent)
1408         *descent = descent2;
1409     if (externalLeading)
1410         *externalLeading = 0;
1411
1412 }
1413
1414 // ----------------------------------------------------------------------------
1415 // painting
1416 // ----------------------------------------------------------------------------
1417
1418 void wxWindow::Refresh(bool eraseBack, const wxRect *rect)
1419 {
1420     m_needsRefresh = TRUE;
1421     Display *display = XtDisplay((Widget) GetMainWidget());
1422     Window thisWindow = XtWindow((Widget) GetMainWidget());
1423
1424     XExposeEvent dummyEvent;
1425     int width, height;
1426     GetSize(&width, &height);
1427
1428     dummyEvent.type = Expose;
1429     dummyEvent.display = display;
1430     dummyEvent.send_event = True;
1431     dummyEvent.window = thisWindow;
1432     if (rect)
1433     {
1434         dummyEvent.x = rect->x;
1435         dummyEvent.y = rect->y;
1436         dummyEvent.width = rect->width;
1437         dummyEvent.height = rect->height;
1438     }
1439     else
1440     {
1441         dummyEvent.x = 0;
1442         dummyEvent.y = 0;
1443         dummyEvent.width = width;
1444         dummyEvent.height = height;
1445     }
1446     dummyEvent.count = 0;
1447
1448     if (eraseBack)
1449     {
1450         wxClientDC dc(this);
1451         wxBrush backgroundBrush(GetBackgroundColour(), wxSOLID);
1452         dc.SetBackground(backgroundBrush);
1453         if (rect)
1454             dc.Clear(*rect);
1455         else
1456             dc.Clear();
1457     }
1458
1459     XSendEvent(display, thisWindow, False, ExposureMask, (XEvent *)&dummyEvent);
1460 }
1461
1462 void wxWindow::Clear()
1463 {
1464     wxClientDC dc(this);
1465     wxBrush brush(GetBackgroundColour(), wxSOLID);
1466     dc.SetBackground(brush);
1467     dc.Clear();
1468 }
1469
1470 void wxWindow::ClearUpdateRects()
1471 {
1472     wxRectList::Node* node = m_updateRects.GetFirst();
1473     while (node)
1474     {
1475         wxRect* rect = node->GetData();
1476         delete rect;
1477         node = node->GetNext();
1478     }
1479
1480     m_updateRects.Clear();
1481 }
1482
1483 void wxWindow::DoPaint()
1484 {
1485     //TODO : make a temporary gc so we can do the XCopyArea below
1486     if (m_backingPixmap && !m_needsRefresh)
1487     {
1488       wxPaintDC dc(this);
1489
1490       GC tempGC = (GC) dc.GetBackingGC();
1491
1492       Widget widget = (Widget) GetMainWidget();
1493
1494       int scrollPosX = 0;
1495       int scrollPosY = 0;
1496
1497       // We have to test whether it's a wxScrolledWindow (hack!) because
1498       // otherwise we don't know how many pixels have been scrolled. We might
1499       // solve this in the future by defining virtual wxWindow functions to get
1500       // the scroll position in pixels. Or, each kind of scrolled window has to
1501       // implement backing stores itself, using generic wxWindows code.
1502       wxScrolledWindow* scrolledWindow = wxDynamicCast(this, wxScrolledWindow);
1503       if ( scrolledWindow )
1504       {
1505           int x, y;
1506           scrolledWindow->CalcScrolledPosition(0, 0, &x, &y);
1507
1508           scrollPosX = - x;
1509           scrollPosY = - y;
1510       }
1511
1512       // TODO: This could be optimized further by only copying the areas in the
1513       //       current update region.
1514
1515       // Only blit the part visible in the client area. The backing pixmap
1516       // always starts at 0, 0 but we may be looking at only a portion of it.
1517       wxSize clientArea = GetClientSize();
1518       int toBlitX = m_pixmapWidth - scrollPosX;
1519       int toBlitY = m_pixmapHeight - scrollPosY;
1520
1521       // Copy whichever is samller, the amount of pixmap we have to copy,
1522       // or the size of the client area.
1523       toBlitX = wxMin(toBlitX, clientArea.x);
1524       toBlitY = wxMin(toBlitY, clientArea.y);
1525
1526       // Make sure we're not negative
1527       toBlitX = wxMax(0, toBlitX);
1528       toBlitY = wxMax(0, toBlitY);
1529
1530       XCopyArea
1531       (
1532        XtDisplay(widget),
1533        (Pixmap) m_backingPixmap,
1534        XtWindow (widget),
1535        tempGC,
1536        scrollPosX, scrollPosY, // Start at the scroll position
1537        toBlitX, toBlitY,       // How much of the pixmap to copy
1538        0, 0                    // Destination
1539       );
1540     }
1541     else
1542     {
1543         // Set an erase event first
1544         wxEraseEvent eraseEvent(GetId());
1545         eraseEvent.SetEventObject(this);
1546         GetEventHandler()->ProcessEvent(eraseEvent);
1547
1548         wxPaintEvent event(GetId());
1549         event.SetEventObject(this);
1550         GetEventHandler()->ProcessEvent(event);
1551
1552         m_needsRefresh = FALSE;
1553     }
1554 }
1555
1556 // ----------------------------------------------------------------------------
1557 // event handlers
1558 // ----------------------------------------------------------------------------
1559
1560 // Responds to colour changes: passes event on to children.
1561 void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
1562 {
1563     wxWindowList::Node *node = GetChildren().GetFirst();
1564     while ( node )
1565     {
1566         // Only propagate to non-top-level windows
1567         wxWindow *win = node->GetData();
1568         if ( win->GetParent() )
1569         {
1570             wxSysColourChangedEvent event2;
1571             event.m_eventObject = win;
1572             win->GetEventHandler()->ProcessEvent(event2);
1573         }
1574
1575         node = node->GetNext();
1576     }
1577 }
1578
1579 void wxWindow::OnIdle(wxIdleEvent& event)
1580 {
1581     // This calls the UI-update mechanism (querying windows for
1582     // menu/toolbar/control state information)
1583     UpdateWindowUI();
1584 }
1585
1586 // ----------------------------------------------------------------------------
1587 // accelerators
1588 // ----------------------------------------------------------------------------
1589
1590 bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
1591 {
1592     if (!m_acceleratorTable.Ok())
1593         return FALSE;
1594
1595     int count = m_acceleratorTable.GetCount();
1596     wxAcceleratorEntry* entries = m_acceleratorTable.GetEntries();
1597     int i;
1598     for (i = 0; i < count; i++)
1599     {
1600         wxAcceleratorEntry* entry = & (entries[i]);
1601         if (entry->MatchesEvent(event))
1602         {
1603             // Bingo, we have a match. Now find a control that matches the entry
1604             // command id.
1605
1606             // Need to go up to the top of the window hierarchy, since it might
1607             // be e.g. a menu item
1608             wxWindow* parent = this;
1609             while ( parent && !parent->IsTopLevel() )
1610                 parent = parent->GetParent();
1611
1612             if (!parent)
1613                 return FALSE;
1614
1615             wxFrame* frame = wxDynamicCast(parent, wxFrame);
1616             if ( frame )
1617             {
1618                 // Try for a menu command
1619                 if (frame->GetMenuBar())
1620                 {
1621                     wxMenuItem* item = frame->GetMenuBar()->FindItemForId(entry->GetCommand());
1622                     if (item)
1623                     {
1624                         wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, entry->GetCommand());
1625                         commandEvent.SetEventObject(frame);
1626
1627                         // If ProcessEvent returns TRUE (it was handled), then
1628                         // the calling code will skip the event handling.
1629                         return frame->GetEventHandler()->ProcessEvent(commandEvent);
1630                     }
1631                 }
1632             }
1633
1634             // Find a child matching the command id
1635             wxWindow* child = parent->FindWindow(entry->GetCommand());
1636
1637             // No such child
1638             if (!child)
1639                 return FALSE;
1640
1641             // Now we process those kinds of windows that we can.
1642             // For now, only buttons.
1643             if ( wxDynamicCast(child, wxButton) )
1644             {
1645                 wxCommandEvent commandEvent (wxEVT_COMMAND_BUTTON_CLICKED, child->GetId());
1646                 commandEvent.SetEventObject(child);
1647                 return child->GetEventHandler()->ProcessEvent(commandEvent);
1648             }
1649
1650             return FALSE;
1651         } // matches event
1652     }// for
1653
1654     // We didn't match the key event against an accelerator.
1655     return FALSE;
1656 }
1657
1658 // ============================================================================
1659 // Motif-specific stuff from here on
1660 // ============================================================================
1661
1662 // ----------------------------------------------------------------------------
1663 // function which maintain the global hash table mapping Widgets to wxWindows
1664 // ----------------------------------------------------------------------------
1665
1666 bool wxAddWindowToTable(Widget w, wxWindow *win)
1667 {
1668     wxWindow *oldItem = NULL;
1669     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1670     {
1671         wxLogDebug("Widget table clash: new widget is %ld, %s",
1672                    (long)w, win->GetClassInfo()->GetClassName());
1673         return FALSE;
1674     }
1675
1676     wxWidgetHashTable->Put((long) w, win);
1677
1678     wxLogDebug("Widget 0x%08x <-> window %p (%s)",
1679                w, win, win->GetClassInfo()->GetClassName());
1680
1681     return TRUE;
1682 }
1683
1684 wxWindow *wxGetWindowFromTable(Widget w)
1685 {
1686     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1687 }
1688
1689 void wxDeleteWindowFromTable(Widget w)
1690 {
1691     wxWidgetHashTable->Delete((long)w);
1692 }
1693
1694 // ----------------------------------------------------------------------------
1695 // add/remove window from the table
1696 // ----------------------------------------------------------------------------
1697
1698 // Add to hash table, add event handler
1699 bool wxWindow::AttachWidget (wxWindow* parent, WXWidget mainWidget,
1700                              WXWidget formWidget, int x, int y, int width, int height)
1701 {
1702     wxAddWindowToTable((Widget) mainWidget, this);
1703     if (CanAddEventHandler())
1704     {
1705         XtAddEventHandler((Widget) mainWidget,
1706             ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1707             False,
1708             wxPanelItemEventHandler,
1709             (XtPointer) this);
1710     }
1711
1712     if (!formWidget)
1713     {
1714         XtTranslations ptr;
1715         XtOverrideTranslations ((Widget) mainWidget,
1716             ptr = XtParseTranslationTable ("<Configure>: resize()"));
1717         XtFree ((char *) ptr);
1718     }
1719
1720     // Some widgets have a parent form widget, e.g. wxRadioBox
1721     if (formWidget)
1722     {
1723         if (!wxAddWindowToTable((Widget) formWidget, this))
1724             return FALSE;
1725
1726         XtTranslations ptr;
1727         XtOverrideTranslations ((Widget) formWidget,
1728             ptr = XtParseTranslationTable ("<Configure>: resize()"));
1729         XtFree ((char *) ptr);
1730     }
1731
1732     if (x == -1)
1733         x = 0;
1734     if (y == -1)
1735         y = 0;
1736     SetSize (x, y, width, height);
1737
1738     return TRUE;
1739 }
1740
1741 // Remove event handler, remove from hash table
1742 bool wxWindow::DetachWidget(WXWidget widget)
1743 {
1744     if (CanAddEventHandler())
1745     {
1746         XtRemoveEventHandler((Widget) widget,
1747             ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1748             False,
1749             wxPanelItemEventHandler,
1750             (XtPointer)this);
1751     }
1752
1753     wxDeleteWindowFromTable((Widget) widget);
1754     return TRUE;
1755 }
1756
1757 // ----------------------------------------------------------------------------
1758 // Motif-specific accessors
1759 // ----------------------------------------------------------------------------
1760
1761 // Get the underlying X window
1762 WXWindow wxWindow::GetXWindow() const
1763 {
1764     Widget wMain = (Widget)GetMainWidget();
1765     if ( wMain )
1766         return (WXWindow) XtWindow(wMain);
1767     else
1768         return (WXWindow) 0;
1769 }
1770
1771 // Get the underlying X display
1772 WXDisplay *wxWindow::GetXDisplay() const
1773 {
1774     Widget wMain = (Widget)GetMainWidget();
1775     if ( wMain )
1776         return (WXDisplay*) XtDisplay(wMain);
1777     else
1778         return (WXDisplay*) NULL;
1779 }
1780
1781 WXWidget wxWindow::GetMainWidget() const
1782 {
1783     if (m_drawingArea)
1784         return m_drawingArea;
1785     else
1786         return m_mainWidget;
1787 }
1788
1789 WXWidget wxWindow::GetClientWidget() const
1790 {
1791     if (m_drawingArea != (WXWidget) 0)
1792         return m_drawingArea;
1793     else
1794         return GetMainWidget();
1795 }
1796
1797 WXWidget wxWindow::GetTopWidget() const
1798 {
1799     return GetMainWidget();
1800 }
1801
1802 WXWidget wxWindow::GetLabelWidget() const
1803 {
1804     return GetMainWidget();
1805 }
1806
1807 // ----------------------------------------------------------------------------
1808 // Motif callbacks
1809 // ----------------------------------------------------------------------------
1810
1811 // All widgets should have this as their resize proc.
1812 // OnSize sent to wxWindow via client data.
1813 void wxWidgetResizeProc(Widget w, XConfigureEvent *event, String args[], int *num_args)
1814 {
1815     wxWindow *win = wxGetWindowFromTable(w);
1816     if (!win)
1817         return;
1818
1819     if (win->PreResize())
1820     {
1821         int width, height;
1822         win->GetSize(&width, &height);
1823         wxSizeEvent sizeEvent(wxSize(width, height), win->GetId());
1824         sizeEvent.SetEventObject(win);
1825         win->GetEventHandler()->ProcessEvent(sizeEvent);
1826     }
1827 }
1828
1829 static void wxCanvasRepaintProc(Widget drawingArea,
1830                                 XtPointer clientData,
1831                                 XmDrawingAreaCallbackStruct * cbs)
1832 {
1833     if (!wxGetWindowFromTable(drawingArea))
1834         return;
1835
1836     XEvent * event = cbs->event;
1837     wxWindow * win = (wxWindow *) clientData;
1838
1839     switch (event->type)
1840     {
1841     case Expose:
1842         {
1843             if (event -> xexpose.count == 0)
1844             {
1845 #if 0
1846                 wxPaintEvent event(win->GetId());
1847                 event.SetEventObject(win);
1848                 win->GetEventHandler()->ProcessEvent(event);
1849 #endif // 0
1850
1851                 win->DoPaint();
1852                 win->ClearUpdateRects();
1853             }
1854             else
1855             {
1856                 win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
1857                                    event->xexpose.width, event->xexpose.height);
1858             }
1859             break;
1860         }
1861     }
1862 }
1863
1864 // Unable to deal with Enter/Leave without a separate EventHandler (Motif 1.1.4)
1865 static void wxCanvasEnterLeave(Widget drawingArea,
1866                                XtPointer clientData,
1867                                XCrossingEvent * event)
1868 {
1869     XmDrawingAreaCallbackStruct cbs;
1870     XEvent ev;
1871
1872     ((XCrossingEvent &) ev) = *event;
1873
1874     cbs.reason = XmCR_INPUT;
1875     cbs.event = &ev;
1876
1877     wxCanvasInputEvent(drawingArea, (XtPointer) NULL, &cbs);
1878 }
1879
1880 // Fix to make it work under Motif 1.0 (!)
1881 static void wxCanvasMotionEvent (Widget drawingArea, XButtonEvent * event)
1882 {
1883 #if XmVersion <= 1000
1884     XmDrawingAreaCallbackStruct cbs;
1885     XEvent ev;
1886
1887     ev = *((XEvent *) event);
1888     cbs.reason = XmCR_INPUT;
1889     cbs.event = &ev;
1890
1891     wxCanvasInputEvent (drawingArea, (XtPointer) NULL, &cbs);
1892 #endif // XmVersion <= 1000
1893 }
1894
1895 static void wxCanvasInputEvent(Widget drawingArea,
1896                                XtPointer data,
1897                                XmDrawingAreaCallbackStruct * cbs)
1898 {
1899     wxWindow *canvas = wxGetWindowFromTable(drawingArea);
1900     XEvent local_event;
1901
1902     if (canvas==NULL)
1903         return;
1904
1905     if (cbs->reason != XmCR_INPUT)
1906         return;
1907
1908     local_event = *(cbs->event);    // We must keep a copy!
1909
1910     switch (local_event.xany.type)
1911     {
1912     case EnterNotify:
1913     case LeaveNotify:
1914     case ButtonPress:
1915     case ButtonRelease:
1916     case MotionNotify:
1917         {
1918             wxEventType eventType = wxEVT_NULL;
1919
1920             if (local_event.xany.type == EnterNotify)
1921             {
1922                 //if (local_event.xcrossing.mode!=NotifyNormal)
1923                 //  return ; // Ignore grab events
1924                 eventType = wxEVT_ENTER_WINDOW;
1925                 //            canvas->GetEventHandler()->OnSetFocus();
1926             }
1927             else if (local_event.xany.type == LeaveNotify)
1928             {
1929                 //if (local_event.xcrossing.mode!=NotifyNormal)
1930                 //  return ; // Ignore grab events
1931                 eventType = wxEVT_LEAVE_WINDOW;
1932                 //            canvas->GetEventHandler()->OnKillFocus();
1933             }
1934             else if (local_event.xany.type == MotionNotify)
1935             {
1936                 eventType = wxEVT_MOTION;
1937                 if (local_event.xmotion.is_hint == NotifyHint)
1938                 {
1939                     Window root, child;
1940                     Display *dpy = XtDisplay (drawingArea);
1941
1942                     XQueryPointer (dpy, XtWindow (drawingArea),
1943                         &root, &child,
1944                         &local_event.xmotion.x_root,
1945                         &local_event.xmotion.y_root,
1946                         &local_event.xmotion.x,
1947                         &local_event.xmotion.y,
1948                         &local_event.xmotion.state);
1949                 }
1950                 else
1951                 {
1952                 }
1953             }
1954
1955             else if (local_event.xany.type == ButtonPress)
1956             {
1957                 if (local_event.xbutton.button == Button1)
1958                 {
1959                     eventType = wxEVT_LEFT_DOWN;
1960                     canvas->SetButton1(TRUE);
1961                 }
1962                 else if (local_event.xbutton.button == Button2)
1963                 {
1964                     eventType = wxEVT_MIDDLE_DOWN;
1965                     canvas->SetButton2(TRUE);
1966                 }
1967                 else if (local_event.xbutton.button == Button3)
1968                 {
1969                     eventType = wxEVT_RIGHT_DOWN;
1970                     canvas->SetButton3(TRUE);
1971                 }
1972             }
1973             else if (local_event.xany.type == ButtonRelease)
1974             {
1975                 if (local_event.xbutton.button == Button1)
1976                 {
1977                     eventType = wxEVT_LEFT_UP;
1978                     canvas->SetButton1(FALSE);
1979                 }
1980                 else if (local_event.xbutton.button == Button2)
1981                 {
1982                     eventType = wxEVT_MIDDLE_UP;
1983                     canvas->SetButton2(FALSE);
1984                 }
1985                 else if (local_event.xbutton.button == Button3)
1986                 {
1987                     eventType = wxEVT_RIGHT_UP;
1988                     canvas->SetButton3(FALSE);
1989                 }
1990             }
1991
1992             wxMouseEvent wxevent (eventType);
1993
1994             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1995                 || (event_left_is_down (&local_event)
1996                 && (eventType != wxEVT_LEFT_UP)));
1997             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1998                 || (event_middle_is_down (&local_event)
1999                 && (eventType != wxEVT_MIDDLE_UP)));
2000             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2001                 || (event_right_is_down (&local_event)
2002                 && (eventType != wxEVT_RIGHT_UP)));
2003
2004             wxevent.m_shiftDown = local_event.xbutton.state & ShiftMask;
2005             wxevent.m_controlDown = local_event.xbutton.state & ControlMask;
2006             wxevent.m_altDown = local_event.xbutton.state & Mod3Mask;
2007             wxevent.m_metaDown = local_event.xbutton.state & Mod1Mask;
2008             wxevent.SetTimestamp(local_event.xbutton.time);
2009
2010             // Now check if we need to translate this event into a double click
2011             if (TRUE) // canvas->doubleClickAllowed)
2012             {
2013                 if (wxevent.ButtonDown())
2014                 {
2015                     long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2016
2017                     // get button and time-stamp
2018                     int button = 0;
2019                     if (wxevent.LeftDown())
2020                         button = 1;
2021                     else if (wxevent.MiddleDown())
2022                         button = 2;
2023                     else if (wxevent.RightDown())
2024                         button = 3;
2025                     long ts = wxevent.GetTimestamp();
2026
2027                     // check, if single or double click
2028                     int buttonLast = canvas->GetLastClickedButton();
2029                     long lastTS = canvas->GetLastClickTime();
2030                     if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2031                     {
2032                         // I have a dclick
2033                         canvas->SetLastClick(0, ts);
2034                         switch ( eventType )
2035                         {
2036                         case wxEVT_LEFT_DOWN:
2037                             wxevent.SetEventType(wxEVT_LEFT_DCLICK);
2038                             break;
2039                         case wxEVT_MIDDLE_DOWN:
2040                             wxevent.SetEventType(wxEVT_MIDDLE_DCLICK);
2041                             break;
2042                         case wxEVT_RIGHT_DOWN:
2043                             wxevent.SetEventType(wxEVT_RIGHT_DCLICK);
2044                             break;
2045
2046                         default :
2047                             break;
2048                         }
2049
2050                     }
2051                     else
2052                     {
2053                         // not fast enough or different button
2054                         canvas->SetLastClick(button, ts);
2055                     }
2056                 }
2057             }
2058
2059             wxevent.SetId(canvas->GetId());
2060             wxevent.SetEventObject(canvas);
2061             wxevent.m_x = local_event.xbutton.x;
2062             wxevent.m_y = local_event.xbutton.y;
2063             canvas->GetEventHandler()->ProcessEvent (wxevent);
2064 #if 0
2065             if (eventType == wxEVT_ENTER_WINDOW ||
2066                     eventType == wxEVT_LEAVE_WINDOW ||
2067                     eventType == wxEVT_MOTION
2068                )
2069                 return;
2070 #endif // 0
2071             break;
2072       }
2073     case KeyPress:
2074         {
2075             KeySym keySym;
2076 #if 0
2077             XComposeStatus compose;
2078             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, &compose);
2079 #endif // 0
2080
2081             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2082             int id = wxCharCodeXToWX (keySym);
2083
2084             wxEventType eventType = wxEVT_CHAR;
2085
2086             wxKeyEvent event (eventType);
2087
2088             if (local_event.xkey.state & ShiftMask)
2089                 event.m_shiftDown = TRUE;
2090             if (local_event.xkey.state & ControlMask)
2091                 event.m_controlDown = TRUE;
2092             if (local_event.xkey.state & Mod3Mask)
2093                 event.m_altDown = TRUE;
2094             if (local_event.xkey.state & Mod1Mask)
2095                 event.m_metaDown = TRUE;
2096             event.SetEventObject(canvas);
2097             event.m_keyCode = id;
2098             event.SetTimestamp(local_event.xkey.time);
2099
2100             if (id > -1)
2101             {
2102                 // Implement wxFrame::OnCharHook by checking ancestor.
2103                 wxWindow *parent = canvas->GetParent();
2104                 while (parent && !parent->IsKindOf(CLASSINFO(wxFrame)))
2105                     parent = parent->GetParent();
2106
2107                 if (parent)
2108                 {
2109                     event.SetEventType(wxEVT_CHAR_HOOK);
2110                     if (parent->GetEventHandler()->ProcessEvent(event))
2111                         return;
2112                 }
2113
2114                 // For simplicity, OnKeyDown is the same as OnChar
2115                 // TODO: filter modifier key presses from OnChar
2116                 event.SetEventType(wxEVT_KEY_DOWN);
2117
2118                 // Only process OnChar if OnKeyDown didn't swallow it
2119                 if (!canvas->GetEventHandler()->ProcessEvent (event))
2120                 {
2121                   event.SetEventType(wxEVT_CHAR);
2122                   canvas->GetEventHandler()->ProcessEvent (event);
2123         }
2124             }
2125             break;
2126         }
2127     case KeyRelease:
2128         {
2129             KeySym keySym;
2130             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2131             int id = wxCharCodeXToWX (keySym);
2132
2133             wxKeyEvent event (wxEVT_KEY_UP);
2134
2135             if (local_event.xkey.state & ShiftMask)
2136                 event.m_shiftDown = TRUE;
2137             if (local_event.xkey.state & ControlMask)
2138                 event.m_controlDown = TRUE;
2139             if (local_event.xkey.state & Mod3Mask)
2140                 event.m_altDown = TRUE;
2141             if (local_event.xkey.state & Mod1Mask)
2142                 event.m_metaDown = TRUE;
2143             event.SetEventObject(canvas);
2144             event.m_keyCode = id;
2145             event.SetTimestamp(local_event.xkey.time);
2146
2147             if (id > -1)
2148             {
2149                 canvas->GetEventHandler()->ProcessEvent (event);
2150             }
2151             break;
2152         }
2153     case FocusIn:
2154         {
2155             if (local_event.xfocus.detail != NotifyPointer)
2156             {
2157                 wxFocusEvent event(wxEVT_SET_FOCUS, canvas->GetId());
2158                 event.SetEventObject(canvas);
2159                 canvas->GetEventHandler()->ProcessEvent(event);
2160             }
2161             break;
2162         }
2163     case FocusOut:
2164         {
2165             if (local_event.xfocus.detail != NotifyPointer)
2166             {
2167                 wxFocusEvent event(wxEVT_KILL_FOCUS, canvas->GetId());
2168                 event.SetEventObject(canvas);
2169                 canvas->GetEventHandler()->ProcessEvent(event);
2170             }
2171             break;
2172         }
2173     default:
2174         break;
2175     }
2176 }
2177
2178 static void wxPanelItemEventHandler(Widget    wid,
2179                                     XtPointer client_data,
2180                                     XEvent*   event,
2181                                     Boolean  *continueToDispatch)
2182 {
2183     // Widget can be a label or the actual widget.
2184
2185     wxWindow *window = wxGetWindowFromTable(wid);
2186     if (window)
2187     {
2188         wxMouseEvent wxevent(0);
2189         if (wxTranslateMouseEvent(wxevent, window, wid, event))
2190         {
2191             window->GetEventHandler()->ProcessEvent(wxevent);
2192         }
2193     }
2194
2195     // TODO: probably the key to allowing default behaviour to happen. Say we
2196     // set a m_doDefault flag to FALSE at the start of this function. Then in
2197     // e.g. wxWindow::OnMouseEvent we can call Default() which sets this flag to
2198     // TRUE, indicating that default processing can happen. Thus, behaviour can
2199     // appear to be overridden just by adding an event handler and not calling
2200     // wxWindow::OnWhatever. ALSO, maybe we can use this instead of the current
2201     // way of handling drawing area events, to simplify things.
2202     *continueToDispatch = True;
2203 }
2204
2205 static void wxScrollBarCallback(Widget scrollbar,
2206                                 XtPointer clientData,
2207                                 XmScaleCallbackStruct *cbs)
2208 {
2209     wxWindow *win = wxGetWindowFromTable(scrollbar);
2210     int orientation = (int) clientData;
2211
2212     wxEventType eventType = wxEVT_NULL;
2213     switch (cbs->reason)
2214     {
2215     case XmCR_INCREMENT:
2216         {
2217             eventType = wxEVT_SCROLL_LINEDOWN;
2218             break;
2219         }
2220     case XmCR_DECREMENT:
2221         {
2222             eventType = wxEVT_SCROLL_LINEUP;
2223             break;
2224         }
2225     case XmCR_DRAG:
2226         {
2227             eventType = wxEVT_SCROLL_THUMBTRACK;
2228             break;
2229         }
2230     case XmCR_VALUE_CHANGED:
2231         {
2232             // TODO: Should this be intercepted too, or will it cause
2233             // duplicate events?
2234             eventType = wxEVT_SCROLL_THUMBTRACK;
2235             break;
2236         }
2237     case XmCR_PAGE_INCREMENT:
2238         {
2239             eventType = wxEVT_SCROLL_PAGEDOWN;
2240             break;
2241         }
2242     case XmCR_PAGE_DECREMENT:
2243         {
2244             eventType = wxEVT_SCROLL_PAGEUP;
2245             break;
2246         }
2247     case XmCR_TO_TOP:
2248         {
2249             eventType = wxEVT_SCROLL_TOP;
2250             break;
2251         }
2252     case XmCR_TO_BOTTOM:
2253         {
2254             eventType = wxEVT_SCROLL_BOTTOM;
2255             break;
2256         }
2257     default:
2258         {
2259             // Should never get here
2260             wxFAIL_MSG("Unknown scroll event.");
2261             break;
2262         }
2263     }
2264
2265     wxScrollEvent event(eventType, win->GetId());
2266     event.SetEventObject(win);
2267     event.SetPosition(cbs->value);
2268     event.SetOrientation( (orientation == XmHORIZONTAL) ? wxHORIZONTAL : wxVERTICAL );
2269
2270     win->GetEventHandler()->ProcessEvent(event);
2271 }
2272
2273 // For repainting arbitrary windows
2274 void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event, char *)
2275 {
2276     Window window;
2277     Display *display;
2278
2279     wxWindow* win = wxGetWindowFromTable(w);
2280     if (!win)
2281         return;
2282
2283     switch(event -> type)
2284     {
2285     case Expose:
2286         {
2287             window = (Window) win -> GetXWindow();
2288             display = (Display *) win -> GetXDisplay();
2289
2290             if (event -> xexpose.count == 0)
2291             {
2292                 win->DoPaint();
2293
2294                 win->ClearUpdateRects();
2295             }
2296             else
2297             {
2298                 win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
2299                                    event->xexpose.width, event->xexpose.height);
2300             }
2301
2302             break;
2303         }
2304     }
2305 }
2306
2307 // ----------------------------------------------------------------------------
2308 // CanvaseXXXSize() functions
2309 // ----------------------------------------------------------------------------
2310
2311 // SetSize, but as per old wxCanvas (with drawing widget etc.)
2312 void wxWindow::CanvasSetSize (int x, int y, int w, int h, int sizeFlags)
2313 {
2314     // A bit of optimization to help sort out the flickers.
2315     int oldX, oldY, oldW, oldH;
2316     GetSize(& oldW, & oldH);
2317     GetPosition(& oldX, & oldY);
2318
2319     bool useOldPos = FALSE;
2320     bool useOldSize = FALSE;
2321
2322     if ((x == -1) && (x == -1) && ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0))
2323         useOldPos = TRUE;
2324     else if (x == oldX && y == oldY)
2325         useOldPos = TRUE;
2326
2327     if ((w == -1) && (h == -1))
2328         useOldSize = TRUE;
2329     else if (w == oldW && h == oldH)
2330         useOldSize = TRUE;
2331
2332     if (!wxNoOptimize::CanOptimize())
2333     {
2334         useOldSize = FALSE; useOldPos = FALSE;
2335     }
2336
2337     if (useOldPos && useOldSize)
2338         return;
2339
2340     Widget drawingArea = (Widget) m_drawingArea;
2341     bool managed = XtIsManaged(m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2342
2343     if (managed)
2344         XtUnmanageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2345     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2346
2347     int xx = x; int yy = y;
2348     AdjustForParentClientOrigin(xx, yy, sizeFlags);
2349
2350     if (!useOldPos)
2351     {
2352         if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2353         {
2354             XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2355                 XmNx, xx, NULL);
2356         }
2357
2358         if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2359         {
2360             XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2361                 XmNy, yy, NULL);
2362         }
2363     }
2364
2365     if (!useOldSize)
2366     {
2367
2368         if (w > -1)
2369         {
2370             if (m_borderWidget)
2371             {
2372                 XtVaSetValues ((Widget) m_borderWidget, XmNwidth, w, NULL);
2373                 short thick, margin;
2374                 XtVaGetValues ((Widget) m_borderWidget,
2375                     XmNshadowThickness, &thick,
2376                     XmNmarginWidth, &margin,
2377                     NULL);
2378                 w -= 2 * (thick + margin);
2379             }
2380
2381             XtVaSetValues ((Widget) m_scrolledWindow, XmNwidth, w, NULL);
2382
2383             Dimension spacing;
2384             Widget sbar;
2385             XtVaGetValues ((Widget) m_scrolledWindow,
2386                 XmNspacing, &spacing,
2387                 XmNverticalScrollBar, &sbar,
2388                 NULL);
2389             Dimension wsbar;
2390             if (sbar)
2391                 XtVaGetValues (sbar, XmNwidth, &wsbar, NULL);
2392             else
2393                 wsbar = 0;
2394
2395             w -= (spacing + wsbar);
2396
2397 #if 0
2398             XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2399 #endif // 0
2400         }
2401         if (h > -1)
2402         {
2403             if (m_borderWidget)
2404             {
2405                 XtVaSetValues ((Widget) m_borderWidget, XmNheight, h, NULL);
2406                 short thick, margin;
2407                 XtVaGetValues ((Widget) m_borderWidget,
2408                     XmNshadowThickness, &thick,
2409                     XmNmarginHeight, &margin,
2410                     NULL);
2411                 h -= 2 * (thick + margin);
2412             }
2413
2414             XtVaSetValues ((Widget) m_scrolledWindow, XmNheight, h, NULL);
2415
2416             Dimension spacing;
2417             Widget sbar;
2418             XtVaGetValues ((Widget) m_scrolledWindow,
2419                 XmNspacing, &spacing,
2420                 XmNhorizontalScrollBar, &sbar,
2421                 NULL);
2422             Dimension wsbar;
2423             if (sbar)
2424                 XtVaGetValues (sbar, XmNheight, &wsbar, NULL);
2425             else
2426                 wsbar = 0;
2427
2428             h -= (spacing + wsbar);
2429
2430 #if 0
2431             XtVaSetValues(drawingArea, XmNheight, h, NULL);
2432 #endif // 0
2433         }
2434     }
2435
2436     if (managed)
2437         XtManageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2438     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2439
2440 #if 0
2441     int ww, hh;
2442     GetClientSize (&ww, &hh);
2443     wxSizeEvent sizeEvent(wxSize(ww, hh), GetId());
2444     sizeEvent.SetEventObject(this);
2445
2446     GetEventHandler()->ProcessEvent(sizeEvent);
2447 #endif // 0
2448 }
2449
2450 void wxWindow::CanvasSetClientSize (int w, int h)
2451 {
2452     Widget drawingArea = (Widget) m_drawingArea;
2453
2454     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2455
2456     if (w > -1)
2457         XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2458     if (h > -1)
2459         XtVaSetValues(drawingArea, XmNheight, h, NULL);
2460
2461 #if 0
2462     // TODO: is this necessary?
2463     allowRepainting = FALSE;
2464
2465     XSync (XtDisplay (drawingArea), FALSE);
2466     XEvent event;
2467     while (XtAppPending (wxTheApp->appContext))
2468     {
2469         XFlush (XtDisplay (drawingArea));
2470         XtAppNextEvent (wxTheApp->appContext, &event);
2471         XtDispatchEvent (&event);
2472     }
2473 #endif // 0
2474
2475     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2476
2477 #if 0
2478     allowRepainting = TRUE;
2479     DoRefresh ();
2480
2481     wxSizeEvent sizeEvent(wxSize(w, h), GetId());
2482     sizeEvent.SetEventObject(this);
2483
2484     GetEventHandler()->ProcessEvent(sizeEvent);
2485 #endif // 0
2486 }
2487
2488 void wxWindow::CanvasGetClientSize (int *w, int *h) const
2489 {
2490     // Must return the same thing that was set via SetClientSize
2491     Dimension xx, yy;
2492     XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2493     *w = xx;
2494     *h = yy;
2495 }
2496
2497 void wxWindow::CanvasGetSize (int *w, int *h) const
2498 {
2499     Dimension xx, yy;
2500     if ((Widget) m_borderWidget)
2501         XtVaGetValues ((Widget) m_borderWidget, XmNwidth, &xx, XmNheight, &yy, NULL);
2502     else if ((Widget) m_scrolledWindow)
2503         XtVaGetValues ((Widget) m_scrolledWindow, XmNwidth, &xx, XmNheight, &yy, NULL);
2504     else
2505         XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2506
2507     *w = xx;
2508     *h = yy;
2509 }
2510
2511 void wxWindow::CanvasGetPosition (int *x, int *y) const
2512 {
2513     Position xx, yy;
2514     XtVaGetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow, XmNx, &xx, XmNy, &yy, NULL);
2515
2516     // We may be faking the client origin.
2517     // So a window that's really at (0, 30) may appear
2518     // (to wxWin apps) to be at (0, 0).
2519     if (GetParent())
2520     {
2521         wxPoint pt(GetParent()->GetClientAreaOrigin());
2522         xx -= pt.x;
2523         yy -= pt.y;
2524     }
2525
2526     *x = xx;
2527     *y = yy;
2528 }
2529
2530 // ----------------------------------------------------------------------------
2531 // TranslateXXXEvent() functions
2532 // ----------------------------------------------------------------------------
2533
2534 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent)
2535 {
2536     switch (xevent->xany.type)
2537     {
2538     case EnterNotify:
2539     case LeaveNotify:
2540     case ButtonPress:
2541     case ButtonRelease:
2542     case MotionNotify:
2543         {
2544             wxEventType eventType = wxEVT_NULL;
2545
2546             if (xevent->xany.type == LeaveNotify)
2547             {
2548                 win->SetButton1(FALSE);
2549                 win->SetButton2(FALSE);
2550                 win->SetButton3(FALSE);
2551                 return FALSE;
2552             }
2553             else if (xevent->xany.type == MotionNotify)
2554             {
2555                 eventType = wxEVT_MOTION;
2556             }
2557             else if (xevent->xany.type == ButtonPress)
2558             {
2559                 if (xevent->xbutton.button == Button1)
2560                 {
2561                     eventType = wxEVT_LEFT_DOWN;
2562                     win->SetButton1(TRUE);
2563                 }
2564                 else if (xevent->xbutton.button == Button2)
2565                 {
2566                     eventType = wxEVT_MIDDLE_DOWN;
2567                     win->SetButton2(TRUE);
2568                 }
2569                 else if (xevent->xbutton.button == Button3)
2570                 {
2571                     eventType = wxEVT_RIGHT_DOWN;
2572                     win->SetButton3(TRUE);
2573                 }
2574             }
2575             else if (xevent->xany.type == ButtonRelease)
2576             {
2577                 if (xevent->xbutton.button == Button1)
2578                 {
2579                     eventType = wxEVT_LEFT_UP;
2580                     win->SetButton1(FALSE);
2581                 }
2582                 else if (xevent->xbutton.button == Button2)
2583                 {
2584                     eventType = wxEVT_MIDDLE_UP;
2585                     win->SetButton2(FALSE);
2586                 }
2587                 else if (xevent->xbutton.button == Button3)
2588                 {
2589                     eventType = wxEVT_RIGHT_UP;
2590                     win->SetButton3(FALSE);
2591                 }
2592                 else return FALSE;
2593             }
2594             else
2595             {
2596                 return FALSE;
2597             }
2598
2599             wxevent.SetEventType(eventType);
2600
2601             Position x1, y1;
2602             XtVaGetValues(widget, XmNx, &x1, XmNy, &y1, NULL);
2603
2604             int x2, y2;
2605             win->GetPosition(&x2, &y2);
2606
2607             // The button x/y must be translated to wxWindows
2608             // window space - the widget might be a label or button,
2609             // within a form.
2610             int dx = 0;
2611             int dy = 0;
2612             if (widget != (Widget)win->GetMainWidget())
2613             {
2614                 dx = x1;
2615                 dy = y1;
2616             }
2617
2618             wxevent.m_x = xevent->xbutton.x + dx;
2619             wxevent.m_y = xevent->xbutton.y + dy;
2620
2621             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2622                 || (event_left_is_down (xevent)
2623                 && (eventType != wxEVT_LEFT_UP)));
2624             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2625                 || (event_middle_is_down (xevent)
2626                 && (eventType != wxEVT_MIDDLE_UP)));
2627             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2628                 || (event_right_is_down (xevent)
2629                 && (eventType != wxEVT_RIGHT_UP)));
2630
2631             wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
2632             wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
2633             return TRUE;
2634         }
2635     }
2636     return FALSE;
2637 }
2638
2639 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent)
2640 {
2641     switch (xevent->xany.type)
2642     {
2643     case KeyPress:
2644     case KeyRelease:
2645         {
2646             char buf[20];
2647
2648             KeySym keySym;
2649 #if 0
2650             XComposeStatus compose;
2651             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, &compose);
2652 #endif // 0
2653             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
2654             int id = wxCharCodeXToWX (keySym);
2655
2656             if (xevent->xkey.state & ShiftMask)
2657                 wxevent.m_shiftDown = TRUE;
2658             if (xevent->xkey.state & ControlMask)
2659                 wxevent.m_controlDown = TRUE;
2660             if (xevent->xkey.state & Mod3Mask)
2661                 wxevent.m_altDown = TRUE;
2662             if (xevent->xkey.state & Mod1Mask)
2663                 wxevent.m_metaDown = TRUE;
2664             wxevent.SetEventObject(win);
2665             wxevent.m_keyCode = id;
2666             wxevent.SetTimestamp(xevent->xkey.time);
2667
2668             wxevent.m_x = xevent->xbutton.x;
2669             wxevent.m_y = xevent->xbutton.y;
2670
2671             if (id > -1)
2672                 return TRUE;
2673             else
2674                 return FALSE;
2675             break;
2676         }
2677     default:
2678         break;
2679     }
2680     return FALSE;
2681 }
2682
2683 // ----------------------------------------------------------------------------
2684 // Colour stuff
2685 // ----------------------------------------------------------------------------
2686
2687 #define YAllocColor XAllocColor
2688 XColor g_itemColors[5];
2689 int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
2690 {
2691     int result;
2692     static XmColorProc colorProc;
2693
2694     result = wxNO_COLORS;
2695
2696     if (back)
2697     {
2698         g_itemColors[0].red = (((long) back->Red ()) << 8);
2699         g_itemColors[0].green = (((long) back->Green ()) << 8);
2700         g_itemColors[0].blue = (((long) back->Blue ()) << 8);
2701         g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
2702         if (colorProc == (XmColorProc) NULL)
2703         {
2704             // Get a ptr to the actual function
2705             colorProc = XmSetColorCalculation ((XmColorProc) NULL);
2706             // And set it back to motif.
2707             XmSetColorCalculation (colorProc);
2708         }
2709         (*colorProc) (&g_itemColors[wxBACK_INDEX],
2710             &g_itemColors[wxFORE_INDEX],
2711             &g_itemColors[wxSELE_INDEX],
2712             &g_itemColors[wxTOPS_INDEX],
2713             &g_itemColors[wxBOTS_INDEX]);
2714         result = wxBACK_COLORS;
2715     }
2716     if (fore)
2717     {
2718         g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
2719         g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
2720         g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
2721         g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
2722         if (result == wxNO_COLORS)
2723             result = wxFORE_COLORS;
2724     }
2725
2726     Display *dpy = display;
2727     Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
2728
2729     if (back)
2730     {
2731         /* 5 Colours to allocate */
2732         for (int i = 0; i < 5; i++)
2733             if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
2734                 result = wxNO_COLORS;
2735     }
2736     else if (fore)
2737     {
2738         /* Only 1 colour to allocate */
2739         if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
2740             result = wxNO_COLORS;
2741     }
2742
2743     return (result);
2744
2745 }
2746
2747 // Changes the foreground and background colours to be derived from the current
2748 // background colour. To change the foreground colour, you must call
2749 // SetForegroundColour explicitly.
2750 void wxWindow::ChangeBackgroundColour()
2751 {
2752     WXWidget mainWidget = GetMainWidget();
2753     if ( mainWidget )
2754         DoChangeBackgroundColour(mainWidget, m_backgroundColour);
2755
2756     // This not necessary
2757 #if 0
2758
2759     if (m_scrolledWindow && (GetMainWidget() != m_scrolledWindow))
2760     {
2761         DoChangeBackgroundColour(m_scrolledWindow, m_backgroundColour);
2762         // Have to set the scrollbar colours back since
2763         // the scrolled window seemed to change them
2764         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
2765
2766         if (m_hScrollBar)
2767             DoChangeBackgroundColour(m_hScrollBar, backgroundColour);
2768         if (m_vScrollBar)
2769             DoChangeBackgroundColour(m_vScrollBar, backgroundColour);
2770     }
2771 #endif
2772 }
2773
2774 void wxWindow::ChangeForegroundColour()
2775 {
2776     WXWidget mainWidget = GetMainWidget();
2777     if ( mainWidget )
2778         DoChangeForegroundColour(mainWidget, m_foregroundColour);
2779     if ( m_scrolledWindow && mainWidget != m_scrolledWindow )
2780         DoChangeForegroundColour(m_scrolledWindow, m_foregroundColour);
2781 }
2782
2783 // Change a widget's foreground and background colours.
2784 void wxWindow::DoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
2785 {
2786     // When should we specify the foreground, if it's calculated
2787     // by wxComputeColours?
2788     // Solution: say we start with the default (computed) foreground colour.
2789     // If we call SetForegroundColour explicitly for a control or window,
2790     // then the foreground is changed.
2791     // Therefore SetBackgroundColour computes the foreground colour, and
2792     // SetForegroundColour changes the foreground colour. The ordering is
2793     // important.
2794
2795     Widget w = (Widget)widget;
2796     XtVaSetValues(
2797                   w,
2798                   XmNforeground, foregroundColour.AllocColour(XtDisplay(w)),
2799                   NULL
2800                  );
2801 }
2802
2803 void wxWindow::DoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour)
2804 {
2805     wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
2806         (wxColour*) NULL);
2807
2808     XtVaSetValues ((Widget) widget,
2809         XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
2810         XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
2811         XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
2812         XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
2813         NULL);
2814
2815     if (changeArmColour)
2816         XtVaSetValues ((Widget) widget,
2817         XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
2818         NULL);
2819 }
2820
2821 bool wxWindow::SetBackgroundColour(const wxColour& col)
2822 {
2823     if ( !wxWindowBase::SetBackgroundColour(col) )
2824         return FALSE;
2825
2826     ChangeBackgroundColour();
2827
2828     return TRUE;
2829 }
2830
2831 bool wxWindow::SetForegroundColour(const wxColour& col)
2832 {
2833     if ( !wxWindowBase::SetForegroundColour(col) )
2834         return FALSE;
2835
2836     ChangeForegroundColour();
2837
2838     return TRUE;
2839 }
2840
2841 void wxWindow::ChangeFont(bool keepOriginalSize)
2842 {
2843     // Note that this causes the widget to be resized back
2844     // to its original size! We therefore have to set the size
2845     // back again. TODO: a better way in Motif?
2846     Widget w = (Widget) GetLabelWidget(); // Usually the main widget
2847     if (w && m_font.Ok())
2848     {
2849         int width, height, width1, height1;
2850         GetSize(& width, & height);
2851
2852         // lesstif 0.87 hangs here
2853 #ifndef LESSTIF_VERSION
2854         XtVaSetValues (w,
2855             XmNfontList, (XmFontList) m_font.GetFontList(1.0, XtDisplay(w)),
2856             NULL);
2857 #endif
2858
2859         GetSize(& width1, & height1);
2860         if (keepOriginalSize && (width != width1 || height != height1))
2861         {
2862             SetSize(-1, -1, width, height);
2863         }
2864     }
2865 }
2866
2867 // ----------------------------------------------------------------------------
2868 // global functions
2869 // ----------------------------------------------------------------------------
2870
2871 wxWindow *wxGetActiveWindow()
2872 {
2873     // TODO
2874     return NULL;
2875 }
2876
2877 // ----------------------------------------------------------------------------
2878 // wxNoOptimize: switch off size optimization
2879 // ----------------------------------------------------------------------------
2880
2881 int wxNoOptimize::ms_count = 0;