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 #if  wxUSE_DRAG_AND_DROP
  44     #include "wx/dnd.h"
  45 #endif
  46
  47 #ifdef __VMS__
  48 #pragma message disable nosimpint
  49 #endif
  50 #include <Xm/Xm.h>
  51
  52 #include <Xm/DrawingA.h>
  53 #include <Xm/ScrolledW.h>
  54 #include <Xm/ScrollBar.h>
  55 #include <Xm/Frame.h>
  56 #include <Xm/Label.h>
  57 #include <Xm/RowColumn.h>           // for XmMenuPosition
  58 #ifdef __VMS__
  59 #pragma message enable nosimpint
  60 #endif
  61
  62 #include "wx/motif/private.h"
  63
  64 #include <string.h>
  65
  66 // ----------------------------------------------------------------------------
  67 // constants
  68 // ----------------------------------------------------------------------------
  69
  70 static const int SCROLL_MARGIN = 4;
  71
  72 // ----------------------------------------------------------------------------
  73 // global variables for this module
  74 // ----------------------------------------------------------------------------
  75
  76 extern wxHashTable *wxWidgetHashTable;
  77
  78 // ----------------------------------------------------------------------------
  79 // private functions
  80 // ----------------------------------------------------------------------------
  81
  82 static void wxCanvasRepaintProc(Widget, XtPointer, XmDrawingAreaCallbackStruct * cbs);
  83 static void wxCanvasInputEvent(Widget drawingArea, XtPointer data, XmDrawingAreaCallbackStruct * cbs);
  84 static void wxCanvasMotionEvent(Widget, XButtonEvent * event);
  85 static void wxCanvasEnterLeave(Widget drawingArea, XtPointer clientData, XCrossingEvent * event);
  86 static void wxScrollBarCallback(Widget widget, XtPointer clientData,
  87                                 XmScrollBarCallbackStruct *cbs);
  88 static void wxPanelItemEventHandler(Widget    wid,
  89                                     XtPointer client_data,
  90                                     XEvent*   event,
  91                                     Boolean  *continueToDispatch);
  92
  93 // unused for now
  94 #if 0
  95
  96 // Helper function for 16-bit fonts
  97 static int str16len(const char *s)
  98 {
  99     int count = 0;
 100
 101     while (s[0] && s[1]) {
 102         count++;
 103         s += 2;
 104     }
 105
 106     return count;
 107 }
 108
 109 #endif // 0
 110
 111 // ----------------------------------------------------------------------------
 112 // macros
 113 // ----------------------------------------------------------------------------
 114
 115 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
 116 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
 117 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
 118
 119 // ----------------------------------------------------------------------------
 120 // event tables
 121 // ----------------------------------------------------------------------------
 122
 123 #if !USE_SHARED_LIBRARY
 124     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
 125
 126     BEGIN_EVENT_TABLE(wxWindow, wxWindowBase)
 127         EVT_SYS_COLOUR_CHANGED(wxWindow::OnSysColourChanged)
 128         EVT_IDLE(wxWindow::OnIdle)
 129     END_EVENT_TABLE()
 130 #endif // USE_SHARED_LIBRARY
 131
 132 // ============================================================================
 133 // implementation
 134 // ============================================================================
 135
 136 // ----------------------------------------------------------------------------
 137 // helper functions
 138 // ----------------------------------------------------------------------------
 139
 140 void wxWindow::UnmanageAndDestroy(WXWidget widget)
 141 {
 142     Widget w = (Widget)widget;
 143     if ( w )
 144     {
 145         XtUnmanageChild(w);
 146         XtDestroyWidget(w);
 147     }
 148 }
 149
 150 bool wxWindow::MapOrUnmap(WXWidget widget, bool map)
 151 {
 152     Widget w = (Widget)widget;
 153     if ( !w )
 154         return FALSE;
 155
 156     if ( map )
 157         XtMapWidget(w);
 158     else
 159         XtUnmapWidget(w);
 160
 161     return TRUE;
 162 }
 163
 164 // ----------------------------------------------------------------------------
 165 // constructors
 166 // ----------------------------------------------------------------------------
 167
 168 void wxWindow::Init()
 169 {
 170     // generic initializations first
 171     InitBase();
 172
 173     // Motif-specific
 174     m_needsRefresh = TRUE;
 175     m_mainWidget = (WXWidget) 0;
 176
 177     m_button1Pressed =
 178     m_button2Pressed =
 179     m_button3Pressed = FALSE;
 180
 181     m_winCaptured = FALSE;
 182
 183     m_isShown = TRUE;
 184     m_isBeingDeleted = FALSE;
 185
 186     m_hScrollBar =
 187     m_vScrollBar =
 188     m_borderWidget =
 189     m_scrolledWindow =
 190     m_drawingArea = (WXWidget) 0;
 191
 192     m_hScroll =
 193     m_vScroll = FALSE;
 194
 195     m_scrollPosX =
 196     m_scrollPosY = 0;
 197
 198     m_backingPixmap = (WXPixmap) 0;
 199     m_pixmapWidth =
 200     m_pixmapHeight = 0;
 201
 202     m_pixmapOffsetX =
 203     m_pixmapOffsetY = 0;
 204
 205     m_lastTS = 0;
 206     m_lastButton = 0;
 207     m_canAddEventHandler = FALSE;
 208 }
 209
 210 // real construction (Init() must have been called before!)
 211 bool wxWindow::Create(wxWindow *parent, wxWindowID id,
 212                       const wxPoint& pos,
 213                       const wxSize& size,
 214                       long style,
 215                       const wxString& name)
 216 {
 217     wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
 218
 219     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 220
 221     parent->AddChild(this);
 222
 223     m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 224     m_foregroundColour = *wxBLACK;
 225
 226     //// TODO: we should probably optimize by only creating a
 227     //// a drawing area if we have one or more scrollbars (wxVSCROLL/wxHSCROLL).
 228     //// But for now, let's simplify things by always creating the
 229     //// drawing area, since otherwise the translations are different.
 230
 231     // New translations for getting mouse motion feedback
 232     static const String translations =
 233 "<Btn1Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 234 <Btn2Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 235 <Btn3Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 236 <BtnMotion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 237 <Btn1Down>: DrawingAreaInput() ManagerGadgetArm()\n\
 238 <Btn2Down>: DrawingAreaInput() ManagerGadgetArm()\n\
 239 <Btn3Down>: DrawingAreaInput() ManagerGadgetArm()\n\
 240 <Btn1Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
 241 <Btn2Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
 242 <Btn3Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
 243 <Motion>: wxCanvasMotionEvent() DrawingAreaInput()\n\
 244 <EnterWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
 245 <LeaveWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
 246 <Key>: DrawingAreaInput()";
 247
 248     XtActionsRec actions[1];
 249     actions[0].string = "wxCanvasMotionEvent";
 250     actions[0].proc = (XtActionProc) wxCanvasMotionEvent;
 251     XtAppAddActions ((XtAppContext) wxTheApp->GetAppContext(), actions, 1);
 252
 253     Widget parentWidget = (Widget) parent->GetClientWidget();
 254
 255     if (style & wxSIMPLE_BORDER)
 256     {
 257         m_borderWidget = (WXWidget)XtVaCreateManagedWidget
 258                                    (
 259                                     "canvasBorder",
 260                                     xmFrameWidgetClass, parentWidget,
 261                                     XmNshadowType, XmSHADOW_IN,
 262                                     XmNshadowThickness, 1,
 263                                     NULL
 264                                    );
 265     } else if (style & wxSUNKEN_BORDER)
 266     {
 267         m_borderWidget = (WXWidget)XtVaCreateManagedWidget
 268                                    (
 269                                     "canvasBorder",
 270                                     xmFrameWidgetClass, parentWidget,
 271                                     XmNshadowType, XmSHADOW_IN,
 272                                     NULL
 273                                    );
 274     } else if (style & wxRAISED_BORDER)
 275     {
 276         m_borderWidget = (WXWidget)XtVaCreateManagedWidget
 277                                    (
 278                                     "canvasBorder",
 279                                     xmFrameWidgetClass, parentWidget,
 280                                     XmNshadowType, XmSHADOW_OUT,
 281                                     NULL
 282                                    );
 283     }
 284
 285     m_scrolledWindow = (WXWidget)XtVaCreateManagedWidget
 286                                  (
 287                                   "scrolledWindow",
 288                                   xmScrolledWindowWidgetClass,
 289                                   m_borderWidget ? (Widget) m_borderWidget
 290                                                  : parentWidget,
 291                                   XmNresizePolicy, XmRESIZE_NONE,
 292                                   XmNspacing, 0,
 293                                   XmNscrollingPolicy, XmAPPLICATION_DEFINED,
 294                                   //XmNscrollBarDisplayPolicy, XmAS_NEEDED,
 295                                   NULL
 296                                  );
 297
 298     XtTranslations ptr = XtParseTranslationTable(translations);
 299     m_drawingArea = (WXWidget)XtVaCreateWidget
 300                               (
 301                                name,
 302                                xmDrawingAreaWidgetClass, (Widget) m_scrolledWindow,
 303                                XmNunitType, XmPIXELS,
 304                                // XmNresizePolicy, XmRESIZE_ANY,
 305                                XmNresizePolicy, XmRESIZE_NONE,
 306                                XmNmarginHeight, 0,
 307                                XmNmarginWidth, 0,
 308                                XmNtranslations, ptr,
 309                                NULL
 310                               );
 311     XtFree((char *) ptr);
 312
 313 #if 0
 314     if (GetWindowStyleFlag() & wxOVERRIDE_KEY_TRANSLATIONS)
 315     {
 316         ptr = XtParseTranslationTable ("<Key>: DrawingAreaInput()");
 317         XtOverrideTranslations ((Widget) m_drawingArea, ptr);
 318         XtFree ((char *) ptr);
 319     }
 320 #endif // 0
 321
 322     wxAddWindowToTable((Widget) m_drawingArea, this);
 323     wxAddWindowToTable((Widget) m_scrolledWindow, this);
 324
 325     // This order is very important in Motif 1.2.1
 326     XtRealizeWidget ((Widget) m_scrolledWindow);
 327     XtRealizeWidget ((Widget) m_drawingArea);
 328     XtManageChild ((Widget) m_drawingArea);
 329
 330     ptr = XtParseTranslationTable("<Configure>: resize()");
 331     XtOverrideTranslations((Widget) m_drawingArea, ptr);
 332     XtFree ((char *) ptr);
 333
 334     XtAddCallback ((Widget) m_drawingArea, XmNexposeCallback, (XtCallbackProc) wxCanvasRepaintProc, (XtPointer) this);
 335     XtAddCallback ((Widget) m_drawingArea, XmNinputCallback, (XtCallbackProc) wxCanvasInputEvent, (XtPointer) this);
 336
 337     // TODO?
 338 #if 0
 339     display = XtDisplay (scrolledWindow);
 340     xwindow = XtWindow (drawingArea);
 341 #endif // 0
 342
 343     XtAddEventHandler(
 344                       (Widget)m_drawingArea,
 345                        PointerMotionHintMask | EnterWindowMask |
 346                        LeaveWindowMask | FocusChangeMask,
 347                        False,
 348                        (XtEventHandler) wxCanvasEnterLeave,
 349                        (XtPointer) this
 350                      );
 351
 352     // Scrolled widget needs to have its colour changed or we get a little blue
 353     // square where the scrollbars abutt
 354     wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 355     DoChangeBackgroundColour(m_scrolledWindow, backgroundColour, TRUE);
 356     DoChangeBackgroundColour(m_drawingArea, backgroundColour, TRUE);
 357
 358     XmScrolledWindowSetAreas(
 359                              (Widget)m_scrolledWindow,
 360                              (Widget) 0, (Widget) 0,
 361                              (Widget) m_drawingArea);
 362
 363 #if 0
 364     if (m_hScrollBar)
 365         XtRealizeWidget ((Widget) m_hScrollBar);
 366     if (m_vScrollBar)
 367         XtRealizeWidget ((Widget) m_vScrollBar);
 368 #endif // 0
 369
 370     // Without this, the cursor may not be restored properly (e.g. in splitter
 371     // sample).
 372     SetCursor(*wxSTANDARD_CURSOR);
 373     SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
 374     SetSize(pos.x, pos.y, size.x, size.y);
 375
 376     return TRUE;
 377 }
 378
 379 // Destructor
 380 wxWindow::~wxWindow()
 381 {
 382     m_isBeingDeleted = TRUE;
 383
 384     // Motif-specific actions first
 385     WXWidget wMain = GetMainWidget();
 386     if ( wMain )
 387     {
 388         // Removes event handlers
 389         DetachWidget(wMain);
 390     }
 391
 392     ClearUpdateRects();
 393
 394     if ( m_parent )
 395         m_parent->RemoveChild( this );
 396
 397     // If m_drawingArea, we're a fully-fledged window with drawing area,
 398     // scrollbars etc. (what wxCanvas used to be)
 399     if ( m_drawingArea )
 400     {
 401         // Destroy children before destroying self
 402         DestroyChildren();
 403
 404         if (m_backingPixmap)
 405             XFreePixmap (XtDisplay ((Widget) GetMainWidget()), (Pixmap) m_backingPixmap);
 406
 407         Widget w = (Widget) m_drawingArea;
 408         wxDeleteWindowFromTable(w);
 409
 410         if (w)
 411         {
 412             XtDestroyWidget(w);
 413         }
 414
 415         m_mainWidget = (WXWidget) 0;
 416
 417         // Only if we're _really_ a canvas (not a dialog box/panel)
 418         if (m_scrolledWindow)
 419         {
 420             wxDeleteWindowFromTable((Widget) m_scrolledWindow);
 421         }
 422
 423         if (m_hScrollBar)
 424         {
 425             wxDeleteWindowFromTable((Widget) m_hScrollBar);
 426         }
 427         if (m_vScrollBar)
 428         {
 429             wxDeleteWindowFromTable((Widget) m_vScrollBar);
 430         }
 431
 432         UnmanageAndDestroy(m_hScrollBar);
 433         UnmanageAndDestroy(m_vScrollBar);
 434         UnmanageAndDestroy(m_scrolledWindow);
 435
 436         if (m_borderWidget)
 437         {
 438             XtDestroyWidget ((Widget) m_borderWidget);
 439             m_borderWidget = (WXWidget) 0;
 440         }
 441     }
 442
 443     // Destroy the window
 444     if (GetMainWidget())
 445     {
 446         // If this line (XtDestroyWidget) causes a crash, you may comment it out.
 447         // Child widgets will get destroyed automatically when a frame
 448         // or dialog is destroyed, but before that you may get some memory
 449         // leaks and potential layout problems if you delete and then add
 450         // child windows.
 451         XtDestroyWidget((Widget) GetMainWidget());
 452         SetMainWidget((WXWidget) NULL);
 453     }
 454 }
 455
 456 // ----------------------------------------------------------------------------
 457 // scrollbar management
 458 // ----------------------------------------------------------------------------
 459
 460 // Helper function
 461 void wxWindow::CreateScrollbar(wxOrientation orientation)
 462 {
 463     wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
 464
 465     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
 466
 467     // Add scrollbars if required
 468     if (orientation == wxHORIZONTAL)
 469     {
 470         Widget hScrollBar = XtVaCreateManagedWidget ("hsb",
 471             xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
 472             XmNorientation, XmHORIZONTAL,
 473             NULL);
 474         //      XtAddCallback (hScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 475         XtAddCallback (hScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 476         XtAddCallback (hScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 477         XtAddCallback (hScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 478         XtAddCallback (hScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 479         XtAddCallback (hScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 480         XtAddCallback (hScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 481         XtAddCallback (hScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 482
 483         XtVaSetValues (hScrollBar,
 484             XmNincrement, 1,
 485             XmNvalue, 0,
 486             NULL);
 487
 488         m_hScrollBar = (WXWidget) hScrollBar;
 489
 490         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 491         DoChangeBackgroundColour(m_hScrollBar, backgroundColour, TRUE);
 492
 493         XtRealizeWidget(hScrollBar);
 494
 495         XtVaSetValues((Widget) m_scrolledWindow,
 496             XmNhorizontalScrollBar, (Widget) m_hScrollBar,
 497             NULL);
 498
 499         m_hScroll = TRUE;
 500
 501         wxAddWindowToTable( hScrollBar, this );
 502     }
 503
 504     if (orientation == wxVERTICAL)
 505     {
 506         Widget vScrollBar = XtVaCreateManagedWidget ("vsb",
 507             xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
 508             XmNorientation, XmVERTICAL,
 509             NULL);
 510         //      XtAddCallback (vScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 511         XtAddCallback (vScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 512         XtAddCallback (vScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 513         XtAddCallback (vScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 514         XtAddCallback (vScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 515         XtAddCallback (vScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 516         XtAddCallback (vScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 517         XtAddCallback (vScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 518
 519         XtVaSetValues (vScrollBar,
 520             XmNincrement, 1,
 521             XmNvalue, 0,
 522             NULL);
 523
 524         m_vScrollBar = (WXWidget) vScrollBar;
 525         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 526         DoChangeBackgroundColour(m_vScrollBar, backgroundColour, TRUE);
 527
 528         XtRealizeWidget(vScrollBar);
 529
 530         XtVaSetValues((Widget) m_scrolledWindow,
 531             XmNverticalScrollBar, (Widget) m_vScrollBar,
 532             NULL);
 533
 534         m_vScroll = TRUE;
 535
 536         wxAddWindowToTable( vScrollBar, this );
 537     }
 538
 539     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
 540 }
 541
 542 void wxWindow::DestroyScrollbar(wxOrientation orientation)
 543 {
 544     wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
 545
 546     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
 547     // Add scrollbars if required
 548     if (orientation == wxHORIZONTAL)
 549     {
 550         if (m_hScrollBar)
 551         {
 552             wxDeleteWindowFromTable((Widget)m_hScrollBar);
 553             XtDestroyWidget((Widget) m_hScrollBar);
 554         }
 555         m_hScrollBar = (WXWidget) 0;
 556         m_hScroll = FALSE;
 557
 558         XtVaSetValues((Widget) m_scrolledWindow,
 559             XmNhorizontalScrollBar, (Widget) 0,
 560             NULL);
 561
 562     }
 563
 564     if (orientation == wxVERTICAL)
 565     {
 566         if (m_vScrollBar)
 567         {
 568             wxDeleteWindowFromTable((Widget)m_vScrollBar);
 569             XtDestroyWidget((Widget) m_vScrollBar);
 570         }
 571         m_vScrollBar = (WXWidget) 0;
 572         m_vScroll = TRUE;
 573
 574         XtVaSetValues((Widget) m_scrolledWindow,
 575             XmNverticalScrollBar, (Widget) 0,
 576             NULL);
 577
 578     }
 579     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
 580 }
 581
 582 // ---------------------------------------------------------------------------
 583 // basic operations
 584 // ---------------------------------------------------------------------------
 585
 586 void wxWindow::SetFocus()
 587 {
 588     Widget wMain = (Widget) GetMainWidget();
 589     XmProcessTraversal(wMain, XmTRAVERSE_CURRENT);
 590     XmProcessTraversal((Widget) GetMainWidget(), XmTRAVERSE_CURRENT);
 591 }
 592
 593 // Get the window with the focus
 594 wxWindow *wxWindowBase::FindFocus()
 595 {
 596     // TODO Problems:
 597     // (1) Can there be multiple focussed widgets in an application?
 598     // In which case we need to find the top-level window that's
 599     // currently active.
 600     // (2) The widget with the focus may not be in the widget table
 601     // depending on which widgets I put in the table
 602     wxWindow *winFocus = (wxWindow *)NULL;
 603     for ( wxWindowList::Node *node = wxTopLevelWindows.GetFirst();
 604           node;
 605           node = node->GetNext() )
 606     {
 607         wxWindow *win = node->GetData();
 608
 609         Widget w = XmGetFocusWidget ((Widget) win->GetTopWidget());
 610
 611         if (w != (Widget) NULL)
 612         {
 613             winFocus = wxGetWindowFromTable(w);
 614             if ( winFocus )
 615                 break;
 616         }
 617     }
 618
 619     return winFocus;
 620 }
 621
 622 bool wxWindow::Enable(bool enable)
 623 {
 624     if ( !wxWindowBase::Enable(enable) )
 625         return FALSE;
 626
 627     Widget wMain = (Widget)GetMainWidget();
 628     if ( wMain )
 629     {
 630         XtSetSensitive(wMain, enable);
 631         XmUpdateDisplay(wMain);
 632     }
 633
 634     return TRUE;
 635 }
 636
 637 bool wxWindow::Show(bool show)
 638 {
 639     if ( !wxWindowBase::Show(show) )
 640         return FALSE;
 641
 642     if (m_borderWidget || m_scrolledWindow)
 643     {
 644         MapOrUnmap(m_drawingArea, show);
 645         MapOrUnmap(m_borderWidget ? m_borderWidget : m_scrolledWindow, show);
 646     }
 647     else
 648     {
 649         if ( !MapOrUnmap(GetTopWidget(), show) )
 650             MapOrUnmap(GetMainWidget(), show);
 651     }
 652
 653 #if 0
 654     Window xwin = (Window) GetXWindow();
 655     Display *xdisp = (Display*) GetXDisplay();
 656     if (show)
 657         XMapWindow(xdisp, xwin);
 658     else
 659         XUnmapWindow(xdisp, xwin);
 660 #endif
 661
 662     return TRUE;
 663 }
 664
 665 // Raise the window to the top of the Z order
 666 void wxWindow::Raise()
 667 {
 668     Widget wTop = (Widget) GetTopWidget();
 669     Window window = XtWindow(wTop);
 670     XRaiseWindow(XtDisplay(wTop), window);
 671 }
 672
 673 // Lower the window to the bottom of the Z order
 674 void wxWindow::Lower()
 675 {
 676     Widget wTop = (Widget) GetTopWidget();
 677     Window window = XtWindow(wTop);
 678     XLowerWindow(XtDisplay(wTop), window);
 679 }
 680
 681 void wxWindow::SetTitle(const wxString& title)
 682 {
 683     XtVaSetValues((Widget)GetMainWidget(), XmNtitle, title.c_str(), NULL);
 684 }
 685
 686 wxString wxWindow::GetTitle() const
 687 {
 688     char *title;
 689     XtVaGetValues((Widget)GetMainWidget(), XmNtitle, &title, NULL);
 690
 691     return wxString(title);
 692 }
 693
 694 void wxWindow::CaptureMouse()
 695 {
 696     if ( m_winCaptured )
 697         return;
 698
 699     Widget wMain = (Widget)GetMainWidget();
 700     if ( wMain )
 701         XtAddGrab(wMain, TRUE, FALSE);
 702
 703     m_winCaptured = TRUE;
 704 }
 705
 706 void wxWindow::ReleaseMouse()
 707 {
 708     if ( !m_winCaptured )
 709         return;
 710
 711     Widget wMain = (Widget)GetMainWidget();
 712     if ( wMain )
 713         XtRemoveGrab(wMain);
 714
 715     m_winCaptured = FALSE;
 716 }
 717
 718 bool wxWindow::SetFont(const wxFont& font)
 719 {
 720     if ( !wxWindowBase::SetFont(font) )
 721     {
 722         // nothing to do
 723         return FALSE;
 724     }
 725
 726     ChangeFont();
 727
 728     return TRUE;
 729 }
 730
 731 bool wxWindow::SetCursor(const wxCursor& cursor)
 732 {
 733     if ( !wxWindowBase::SetCursor(cursor) )
 734     {
 735         // no change
 736         return FALSE;
 737     }
 738
 739     wxASSERT_MSG( m_cursor.Ok(),
 740                   wxT("cursor must be valid after call to the base version"));
 741
 742     WXDisplay *dpy = GetXDisplay();
 743     WXCursor x_cursor = m_cursor.GetXCursor(dpy);
 744
 745     Widget w = (Widget) GetMainWidget();
 746     Window win = XtWindow(w);
 747     XDefineCursor((Display*) dpy, win, (Cursor) x_cursor);
 748
 749     return TRUE;
 750 }
 751
 752 // Coordinates relative to the window
 753 void wxWindow::WarpPointer (int x, int y)
 754 {
 755     Widget wClient = (Widget)GetClientWidget();
 756
 757     XWarpPointer(XtDisplay(wClient), None, XtWindow(wClient), 0, 0, 0, 0, x, y);
 758 }
 759
 760 // ---------------------------------------------------------------------------
 761 // scrolling stuff
 762 // ---------------------------------------------------------------------------
 763
 764 int wxWindow::GetScrollPos(int orient) const
 765 {
 766     if (orient == wxHORIZONTAL)
 767         return m_scrollPosX;
 768     else
 769         return m_scrollPosY;
 770
 771 #if 0
 772     Widget scrollBar = (Widget) ((orient == wxHORIZONTAL) ? m_hScrollBar : m_vScrollBar);
 773     if (scrollBar)
 774     {
 775         int pos;
 776         XtVaGetValues(scrollBar, XmNvalue, &pos, NULL);
 777         return pos;
 778     }
 779     else
 780         return 0;
 781 #endif // 0
 782 }
 783
 784 // This now returns the whole range, not just the number of positions that we
 785 // can scroll.
 786 int wxWindow::GetScrollRange(int orient) const
 787 {
 788     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 789     wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
 790
 791     int range;
 792     XtVaGetValues(scrollBar, XmNmaximum, &range, NULL);
 793     return range;
 794 }
 795
 796 int wxWindow::GetScrollThumb(int orient) const
 797 {
 798     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 799     wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
 800
 801     int thumb;
 802     XtVaGetValues(scrollBar, XmNsliderSize, &thumb, NULL);
 803     return thumb;
 804 }
 805
 806 void wxWindow::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh))
 807 {
 808     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 809
 810     if ( scrollBar )
 811     {
 812         XtVaSetValues (scrollBar, XmNvalue, pos, NULL);
 813     }
 814
 815     SetInternalScrollPos((wxOrientation)orient, pos);
 816 }
 817
 818 // New function that will replace some of the above.
 819 void wxWindow::SetScrollbar(int orient, int pos, int thumbVisible,
 820                             int range, bool WXUNUSED(refresh))
 821 {
 822     int oldW, oldH;
 823     GetSize(& oldW, & oldH);
 824
 825     if (range == 0)
 826         range = 1;
 827     if (thumbVisible == 0)
 828         thumbVisible = 1;
 829
 830     if (thumbVisible > range)
 831         thumbVisible = range;
 832
 833     // Save the old state to see if it changed
 834     WXWidget oldScrollBar = GetScrollbar((wxOrientation)orient);
 835
 836     if (orient == wxHORIZONTAL)
 837     {
 838         if (thumbVisible == range)
 839         {
 840             if (m_hScrollBar)
 841                 DestroyScrollbar(wxHORIZONTAL);
 842         }
 843         else
 844         {
 845             if (!m_hScrollBar)
 846                 CreateScrollbar(wxHORIZONTAL);
 847         }
 848     }
 849     if (orient == wxVERTICAL)
 850     {
 851         if (thumbVisible == range)
 852         {
 853             if (m_vScrollBar)
 854                 DestroyScrollbar(wxVERTICAL);
 855         }
 856         else
 857         {
 858             if (!m_vScrollBar)
 859                 CreateScrollbar(wxVERTICAL);
 860         }
 861     }
 862     WXWidget newScrollBar =  GetScrollbar((wxOrientation)orient);
 863
 864     if (oldScrollBar != newScrollBar)
 865     {
 866         // This is important! Without it, scrollbars misbehave badly.
 867         XtUnrealizeWidget((Widget) m_scrolledWindow);
 868         XmScrolledWindowSetAreas ((Widget) m_scrolledWindow, (Widget) m_hScrollBar, (Widget) m_vScrollBar, (Widget) m_drawingArea);
 869         XtRealizeWidget((Widget) m_scrolledWindow);
 870         XtManageChild((Widget) m_scrolledWindow);
 871     }
 872
 873     if (newScrollBar)
 874     {
 875         XtVaSetValues((Widget) newScrollBar,
 876         XmNvalue, pos,
 877         XmNminimum, 0,
 878         XmNmaximum, range,
 879         XmNsliderSize, thumbVisible,
 880         NULL);
 881     }
 882
 883     SetInternalScrollPos((wxOrientation)orient, pos);
 884
 885     int newW, newH;
 886     GetSize(& newW, & newH);
 887
 888     // Adjusting scrollbars can resize the canvas accidentally
 889     if (newW != oldW || newH != oldH)
 890         SetSize(-1, -1, oldW, oldH);
 891 }
 892
 893 // Does a physical scroll
 894 void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
 895 {
 896     int x, y, w, h;
 897     if (rect)
 898     {
 899         // Use specified rectangle
 900         x = rect->x; y = rect->y; w = rect->width; h = rect->height;
 901     }
 902     else
 903     {
 904         // Use whole client area
 905         x = 0; y = 0;
 906         GetClientSize(& w, & h);
 907     }
 908
 909     wxNode *cnode = m_children.First();
 910     while (cnode)
 911     {
 912         wxWindow *child = (wxWindow*) cnode->Data();
 913         int sx = 0;
 914         int sy = 0;
 915         child->GetSize( &sx, &sy );
 916         wxPoint pos( child->GetPosition() );
 917         child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
 918         cnode = cnode->Next();
 919     }
 920
 921     int x1 = (dx >= 0) ? x : x - dx;
 922     int y1 = (dy >= 0) ? y : y - dy;
 923     int w1 = w - abs(dx);
 924     int h1 = h - abs(dy);
 925     int x2 = (dx >= 0) ? x + dx : x;
 926     int y2 = (dy >= 0) ? y + dy : y;
 927
 928     wxClientDC dc(this);
 929
 930     dc.SetLogicalFunction (wxCOPY);
 931
 932     Widget widget = (Widget) GetMainWidget();
 933     Window window = XtWindow(widget);
 934     Display* display = XtDisplay(widget);
 935
 936     XCopyArea(display, window, window, (GC) dc.GetGC(),
 937               x1, y1, w1, h1, x2, y2);
 938
 939     dc.SetAutoSetting(TRUE);
 940     wxBrush brush(GetBackgroundColour(), wxSOLID);
 941     dc.SetBrush(brush); // FIXME: needed?
 942
 943     // We'll add rectangles to the list of update rectangles according to which
 944     // bits we've exposed.
 945     wxList updateRects;
 946
 947     if (dx > 0)
 948     {
 949         wxRect *rect = new wxRect;
 950         rect->x = x;
 951         rect->y = y;
 952         rect->width = dx;
 953         rect->height = h;
 954
 955         XFillRectangle(display, window,
 956             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 957
 958         rect->x = rect->x;
 959         rect->y = rect->y;
 960         rect->width = rect->width;
 961         rect->height = rect->height;
 962
 963         updateRects.Append((wxObject*) rect);
 964     }
 965     else if (dx < 0)
 966     {
 967         wxRect *rect = new wxRect;
 968
 969         rect->x = x + w + dx;
 970         rect->y = y;
 971         rect->width = -dx;
 972         rect->height = h;
 973
 974         XFillRectangle(display, window,
 975             (GC) dc.GetGC(), rect->x, rect->y, rect->width,
 976             rect->height);
 977
 978         rect->x = rect->x;
 979         rect->y = rect->y;
 980         rect->width = rect->width;
 981         rect->height = rect->height;
 982
 983         updateRects.Append((wxObject*) rect);
 984     }
 985     if (dy > 0)
 986     {
 987         wxRect *rect = new wxRect;
 988
 989         rect->x = x;
 990         rect->y = y;
 991         rect->width = w;
 992         rect->height = dy;
 993
 994         XFillRectangle(display, window,
 995             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 996
 997         rect->x = rect->x;
 998         rect->y = rect->y;
 999         rect->width = rect->width;
1000         rect->height = rect->height;
1001
1002         updateRects.Append((wxObject*) rect);
1003     }
1004     else if (dy < 0)
1005     {
1006         wxRect *rect = new wxRect;
1007
1008         rect->x = x;
1009         rect->y = y + h + dy;
1010         rect->width = w;
1011         rect->height = -dy;
1012
1013         XFillRectangle(display, window,
1014             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
1015
1016         rect->x = rect->x;
1017         rect->y = rect->y;
1018         rect->width = rect->width;
1019         rect->height = rect->height;
1020
1021         updateRects.Append((wxObject*) rect);
1022     }
1023     dc.SetBrush(wxNullBrush);
1024
1025     // Now send expose events
1026
1027     wxNode* node = updateRects.First();
1028     while (node)
1029     {
1030         wxRect* rect = (wxRect*) node->Data();
1031         XExposeEvent event;
1032
1033         event.type = Expose;
1034         event.display = display;
1035         event.send_event = True;
1036         event.window = window;
1037
1038         event.x = rect->x;
1039         event.y = rect->y;
1040         event.width = rect->width;
1041         event.height = rect->height;
1042
1043         event.count = 0;
1044
1045         XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
1046
1047         node = node->Next();
1048
1049     }
1050
1051     // Delete the update rects
1052     node = updateRects.First();
1053     while (node)
1054     {
1055         wxRect* rect = (wxRect*) node->Data();
1056         delete rect;
1057         node = node->Next();
1058     }
1059
1060     XmUpdateDisplay((Widget) GetMainWidget());
1061 }
1062
1063 // ---------------------------------------------------------------------------
1064 // drag and drop
1065 // ---------------------------------------------------------------------------
1066
1067 #if wxUSE_DRAG_AND_DROP
1068
1069 void wxWindow::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
1070 {
1071     // TODO
1072 }
1073
1074 #endif
1075
1076 // Old style file-manager drag&drop
1077 void wxWindow::DragAcceptFiles(bool WXUNUSED(accept))
1078 {
1079     // TODO
1080 }
1081
1082 // ----------------------------------------------------------------------------
1083 // tooltips
1084 // ----------------------------------------------------------------------------
1085
1086 #if wxUSE_TOOLTIPS
1087
1088 void wxWindow::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
1089 {
1090     // TODO
1091 }
1092
1093 #endif // wxUSE_TOOLTIPS
1094
1095 // ----------------------------------------------------------------------------
1096 // popup menus
1097 // ----------------------------------------------------------------------------
1098
1099 bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
1100 {
1101     Widget widget = (Widget) GetMainWidget();
1102
1103     /* The menuId field seems to be usused, so we'll use it to
1104     indicate whether a menu is popped up or not:
1105     0: Not currently created as a popup
1106     -1: Created as a popup, but not active
1107     1: Active popup.
1108     */
1109
1110     if (menu->GetParent() && (menu->GetId() != -1))
1111         return FALSE;
1112
1113     if (menu->GetMainWidget()) {
1114         menu->DestroyMenu(TRUE);
1115     }
1116
1117     menu->SetId(1); /* Mark as popped-up */
1118     menu->CreateMenu(NULL, widget, menu);
1119     menu->SetInvokingWindow(this);
1120
1121     menu->UpdateUI();
1122
1123     //  menu->SetParent(parent);
1124     //  parent->children->Append(menu);  // Store menu for later deletion
1125
1126     Widget menuWidget = (Widget) menu->GetMainWidget();
1127
1128     int rootX = 0;
1129     int rootY = 0;
1130
1131     int deviceX = x;
1132     int deviceY = y;
1133     /*
1134     if (this->IsKindOf(CLASSINFO(wxCanvas)))
1135     {
1136     wxCanvas *canvas = (wxCanvas *) this;
1137     deviceX = canvas->GetDC ()->LogicalToDeviceX (x);
1138     deviceY = canvas->GetDC ()->LogicalToDeviceY (y);
1139     }
1140     */
1141
1142     Display *display = XtDisplay (widget);
1143     Window rootWindow = RootWindowOfScreen (XtScreen((Widget)widget));
1144     Window thisWindow = XtWindow (widget);
1145     Window childWindow;
1146     XTranslateCoordinates (display, thisWindow, rootWindow, (int) deviceX, (int) deviceY,
1147         &rootX, &rootY, &childWindow);
1148
1149     XButtonPressedEvent event;
1150     event.type = ButtonPress;
1151     event.button = 1;
1152
1153     event.x = deviceX;
1154     event.y = deviceY;
1155
1156     event.x_root = rootX;
1157     event.y_root = rootY;
1158
1159     XmMenuPosition (menuWidget, &event);
1160     XtManageChild (menuWidget);
1161
1162     return TRUE;
1163 }
1164
1165 // ---------------------------------------------------------------------------
1166 // moving and resizing
1167 // ---------------------------------------------------------------------------
1168
1169 bool wxWindow::PreResize()
1170 {
1171     return TRUE;
1172 }
1173
1174 // Get total size
1175 void wxWindow::DoGetSize(int *x, int *y) const
1176 {
1177     if (m_drawingArea)
1178     {
1179         CanvasGetSize(x, y);
1180         return;
1181     }
1182
1183     Widget widget = (Widget) GetTopWidget();
1184     Dimension xx, yy;
1185     XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1186     *x = xx; *y = yy;
1187 }
1188
1189 void wxWindow::DoGetPosition(int *x, int *y) const
1190 {
1191     if (m_drawingArea)
1192     {
1193         CanvasGetPosition(x, y);
1194         return;
1195     }
1196     Widget widget = (Widget) GetTopWidget();
1197     Position xx, yy;
1198     XtVaGetValues(widget, XmNx, &xx, XmNy, &yy, NULL);
1199
1200     // We may be faking the client origin. So a window that's really at (0, 30)
1201     // may appear (to wxWin apps) to be at (0, 0).
1202     if (GetParent())
1203     {
1204         wxPoint pt(GetParent()->GetClientAreaOrigin());
1205         xx -= pt.x;
1206         yy -= pt.y;
1207     }
1208
1209     *x = xx; *y = yy;
1210 }
1211
1212 void wxWindow::DoScreenToClient(int *x, int *y) const
1213 {
1214     Widget widget = (Widget) GetClientWidget();
1215     Display *display = XtDisplay((Widget) GetMainWidget());
1216     Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1217     Window thisWindow = XtWindow(widget);
1218
1219     Window childWindow;
1220     int xx = *x;
1221     int yy = *y;
1222     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
1223 }
1224
1225 void wxWindow::DoClientToScreen(int *x, int *y) const
1226 {
1227     Widget widget = (Widget) GetClientWidget();
1228     Display *display = XtDisplay(widget);
1229     Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1230     Window thisWindow = XtWindow(widget);
1231
1232     Window childWindow;
1233     int xx = *x;
1234     int yy = *y;
1235     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
1236 }
1237
1238
1239 // Get size *available for subwindows* i.e. excluding menu bar etc.
1240 void wxWindow::DoGetClientSize(int *x, int *y) const
1241 {
1242     Widget widget = (Widget) GetClientWidget();
1243     Dimension xx, yy;
1244     XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1245     *x = xx; *y = yy;
1246 }
1247
1248 void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1249 {
1250     // A bit of optimization to help sort out the flickers.
1251     int oldX, oldY, oldW, oldH;
1252     GetSize(& oldW, & oldH);
1253     GetPosition(& oldX, & oldY);
1254
1255     bool useOldPos = FALSE;
1256     bool useOldSize = FALSE;
1257
1258     if ((x == -1) && (x == -1) && ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0))
1259         useOldPos = TRUE;
1260     else if (x == oldX && y == oldY)
1261         useOldPos = TRUE;
1262
1263     if ((width == -1) && (height == -1))
1264         useOldSize = TRUE;
1265     else if (width == oldW && height == oldH)
1266         useOldSize = TRUE;
1267
1268     if (!wxNoOptimize::CanOptimize())
1269     {
1270         useOldSize = FALSE; useOldPos = FALSE;
1271     }
1272
1273     if (useOldPos && useOldSize)
1274         return;
1275
1276     if (m_drawingArea)
1277     {
1278         CanvasSetSize(x, y, width, height, sizeFlags);
1279         return;
1280     }
1281     Widget widget = (Widget) GetTopWidget();
1282     if (!widget)
1283         return;
1284
1285     bool managed = XtIsManaged( widget );
1286     if (managed)
1287         XtUnmanageChild(widget);
1288
1289     int xx = x; int yy = y;
1290     AdjustForParentClientOrigin(xx, yy, sizeFlags);
1291
1292     if (!useOldPos)
1293     {
1294         if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
1295             XtVaSetValues(widget, XmNx, xx, NULL);
1296         if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
1297             XtVaSetValues(widget, XmNy, yy, NULL);
1298     }
1299     if (!useOldSize)
1300     {
1301         if (width > -1)
1302             XtVaSetValues(widget, XmNwidth, width, NULL);
1303         if (height > -1)
1304             XtVaSetValues(widget, XmNheight, height, NULL);
1305     }
1306
1307     if (managed)
1308         XtManageChild(widget);
1309
1310     // How about this bit. Maybe we don't need to generate size events
1311     // all the time -- they'll be generated when the window is sized anyway.
1312 #if 0
1313     wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1314     sizeEvent.SetEventObject(this);
1315
1316       GetEventHandler()->ProcessEvent(sizeEvent);
1317 #endif // 0
1318 }
1319
1320 void wxWindow::DoSetClientSize(int width, int height)
1321 {
1322     if (m_drawingArea)
1323     {
1324         CanvasSetClientSize(width, height);
1325         return;
1326     }
1327
1328     Widget widget = (Widget) GetTopWidget();
1329
1330     if (width > -1)
1331         XtVaSetValues(widget, XmNwidth, width, NULL);
1332     if (height > -1)
1333         XtVaSetValues(widget, XmNheight, height, NULL);
1334
1335     wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1336     sizeEvent.SetEventObject(this);
1337
1338     GetEventHandler()->ProcessEvent(sizeEvent);
1339 }
1340
1341 // For implementation purposes - sometimes decorations make the client area
1342 // smaller
1343 wxPoint wxWindow::GetClientAreaOrigin() const
1344 {
1345     return wxPoint(0, 0);
1346 }
1347
1348 // Makes an adjustment to the window position (for example, a frame that has
1349 // a toolbar that it manages itself).
1350 void wxWindow::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
1351 {
1352     if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
1353     {
1354         wxPoint pt(GetParent()->GetClientAreaOrigin());
1355         x += pt.x; y += pt.y;
1356     }
1357 }
1358
1359 void wxWindow::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
1360 {
1361     m_minWidth = minW;
1362     m_minHeight = minH;
1363     m_maxWidth = maxW;
1364     m_maxHeight = maxH;
1365
1366     wxFrame *frame = wxDynamicCast(this, wxFrame);
1367     if ( !frame )
1368     {
1369         // TODO what about dialogs?
1370         return;
1371     }
1372
1373     Widget widget = (Widget) frame->GetShellWidget();
1374
1375     if (minW > -1)
1376         XtVaSetValues(widget, XmNminWidth, minW, NULL);
1377     if (minH > -1)
1378         XtVaSetValues(widget, XmNminHeight, minH, NULL);
1379     if (maxW > -1)
1380         XtVaSetValues(widget, XmNmaxWidth, maxW, NULL);
1381     if (maxH > -1)
1382         XtVaSetValues(widget, XmNmaxHeight, maxH, NULL);
1383     if (incW > -1)
1384         XtVaSetValues(widget, XmNwidthInc, incW, NULL);
1385     if (incH > -1)
1386         XtVaSetValues(widget, XmNheightInc, incH, NULL);
1387 }
1388
1389 // ---------------------------------------------------------------------------
1390 // text metrics
1391 // ---------------------------------------------------------------------------
1392
1393 int wxWindow::GetCharHeight() const
1394 {
1395     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1396
1397     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1398
1399     int direction, ascent, descent;
1400     XCharStruct overall;
1401     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1402         &descent, &overall);
1403
1404     //  return (overall.ascent + overall.descent);
1405     return (ascent + descent);
1406 }
1407
1408 int wxWindow::GetCharWidth() const
1409 {
1410     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1411
1412     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1413
1414     int direction, ascent, descent;
1415     XCharStruct overall;
1416     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1417         &descent, &overall);
1418
1419     return overall.width;
1420 }
1421
1422 void wxWindow::GetTextExtent(const wxString& string,
1423                              int *x, int *y,
1424                              int *descent, int *externalLeading,
1425                              const wxFont *theFont) const
1426 {
1427     wxFont *fontToUse = (wxFont *)theFont;
1428     if (!fontToUse)
1429         fontToUse = (wxFont *) & m_font;
1430
1431     wxCHECK_RET( fontToUse->Ok(), "valid window font needed" );
1432
1433     WXFontStructPtr pFontStruct = theFont->GetFontStruct(1.0, GetXDisplay());
1434
1435     int direction, ascent, descent2;
1436     XCharStruct overall;
1437     int slen = string.Len();
1438
1439 #if 0
1440     if (use16)
1441         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
1442         &ascent, &descent2, &overall);
1443 #endif
1444
1445     XTextExtents((XFontStruct*) pFontStruct, string, slen,
1446                  &direction, &ascent, &descent2, &overall);
1447
1448     if ( x )
1449         *x = (overall.width);
1450     if ( y )
1451         *y = (ascent + descent2);
1452     if (descent)
1453         *descent = descent2;
1454     if (externalLeading)
1455         *externalLeading = 0;
1456
1457 }
1458
1459 // ----------------------------------------------------------------------------
1460 // painting
1461 // ----------------------------------------------------------------------------
1462
1463 void wxWindow::Refresh(bool eraseBack, const wxRect *rect)
1464 {
1465     m_needsRefresh = TRUE;
1466     Display *display = XtDisplay((Widget) GetMainWidget());
1467     Window thisWindow = XtWindow((Widget) GetMainWidget());
1468
1469     XExposeEvent dummyEvent;
1470     int width, height;
1471     GetSize(&width, &height);
1472
1473     dummyEvent.type = Expose;
1474     dummyEvent.display = display;
1475     dummyEvent.send_event = True;
1476     dummyEvent.window = thisWindow;
1477     if (rect)
1478     {
1479         dummyEvent.x = rect->x;
1480         dummyEvent.y = rect->y;
1481         dummyEvent.width = rect->width;
1482         dummyEvent.height = rect->height;
1483     }
1484     else
1485     {
1486         dummyEvent.x = 0;
1487         dummyEvent.y = 0;
1488         dummyEvent.width = width;
1489         dummyEvent.height = height;
1490     }
1491     dummyEvent.count = 0;
1492
1493     if (eraseBack)
1494     {
1495         wxClientDC dc(this);
1496         wxBrush backgroundBrush(GetBackgroundColour(), wxSOLID);
1497         dc.SetBackground(backgroundBrush);
1498         if (rect)
1499             dc.Clear(*rect);
1500         else
1501             dc.Clear();
1502     }
1503
1504     XSendEvent(display, thisWindow, False, ExposureMask, (XEvent *)&dummyEvent);
1505 }
1506
1507 void wxWindow::Clear()
1508 {
1509     wxClientDC dc(this);
1510     wxBrush brush(GetBackgroundColour(), wxSOLID);
1511     dc.SetBackground(brush);
1512     dc.Clear();
1513 }
1514
1515 void wxWindow::ClearUpdateRects()
1516 {
1517     wxRectList::Node* node = m_updateRects.GetFirst();
1518     while (node)
1519     {
1520         wxRect* rect = node->GetData();
1521         delete rect;
1522         node = node->GetNext();
1523     }
1524
1525     m_updateRects.Clear();
1526 }
1527
1528 void wxWindow::DoPaint()
1529 {
1530     //TODO : make a temporary gc so we can do the XCopyArea below
1531     if (m_backingPixmap && !m_needsRefresh)
1532     {
1533       wxPaintDC dc(this);
1534
1535       GC tempGC = (GC) dc.GetBackingGC();
1536
1537       Widget widget = (Widget) GetMainWidget();
1538
1539       int scrollPosX = 0;
1540       int scrollPosY = 0;
1541
1542       // We have to test whether it's a wxScrolledWindow (hack!) because
1543       // otherwise we don't know how many pixels have been scrolled. We might
1544       // solve this in the future by defining virtual wxWindow functions to get
1545       // the scroll position in pixels. Or, each kind of scrolled window has to
1546       // implement backing stores itself, using generic wxWindows code.
1547       wxScrolledWindow* scrolledWindow = wxDynamicCast(this, wxScrolledWindow);
1548       if ( scrolledWindow )
1549       {
1550           int x, y;
1551           scrolledWindow->CalcScrolledPosition(0, 0, &x, &y);
1552
1553           scrollPosX = - x;
1554           scrollPosY = - y;
1555       }
1556
1557       // TODO: This could be optimized further by only copying the areas in the
1558       //       current update region.
1559
1560       // Only blit the part visible in the client area. The backing pixmap
1561       // always starts at 0, 0 but we may be looking at only a portion of it.
1562       wxSize clientArea = GetClientSize();
1563       int toBlitX = m_pixmapWidth - scrollPosX;
1564       int toBlitY = m_pixmapHeight - scrollPosY;
1565
1566       // Copy whichever is samller, the amount of pixmap we have to copy,
1567       // or the size of the client area.
1568       toBlitX = wxMin(toBlitX, clientArea.x);
1569       toBlitY = wxMin(toBlitY, clientArea.y);
1570
1571       // Make sure we're not negative
1572       toBlitX = wxMax(0, toBlitX);
1573       toBlitY = wxMax(0, toBlitY);
1574
1575       XCopyArea
1576       (
1577        XtDisplay(widget),
1578        (Pixmap) m_backingPixmap,
1579        XtWindow (widget),
1580        tempGC,
1581        scrollPosX, scrollPosY, // Start at the scroll position
1582        toBlitX, toBlitY,       // How much of the pixmap to copy
1583        0, 0                    // Destination
1584       );
1585     }
1586     else
1587     {
1588         // Set an erase event first
1589         wxEraseEvent eraseEvent(GetId());
1590         eraseEvent.SetEventObject(this);
1591         GetEventHandler()->ProcessEvent(eraseEvent);
1592
1593         wxPaintEvent event(GetId());
1594         event.SetEventObject(this);
1595         GetEventHandler()->ProcessEvent(event);
1596
1597         m_needsRefresh = FALSE;
1598     }
1599 }
1600
1601 // ----------------------------------------------------------------------------
1602 // event handlers
1603 // ----------------------------------------------------------------------------
1604
1605 // Responds to colour changes: passes event on to children.
1606 void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
1607 {
1608     wxWindowList::Node *node = GetChildren().GetFirst();
1609     while ( node )
1610     {
1611         // Only propagate to non-top-level windows
1612         wxWindow *win = node->GetData();
1613         if ( win->GetParent() )
1614         {
1615             wxSysColourChangedEvent event2;
1616             event.m_eventObject = win;
1617             win->GetEventHandler()->ProcessEvent(event2);
1618         }
1619
1620         node = node->GetNext();
1621     }
1622 }
1623
1624 void wxWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
1625 {
1626     // This calls the UI-update mechanism (querying windows for
1627     // menu/toolbar/control state information)
1628     UpdateWindowUI();
1629 }
1630
1631 // ----------------------------------------------------------------------------
1632 // accelerators
1633 // ----------------------------------------------------------------------------
1634
1635 bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
1636 {
1637     if (!m_acceleratorTable.Ok())
1638         return FALSE;
1639
1640     int count = m_acceleratorTable.GetCount();
1641     wxAcceleratorEntry* entries = m_acceleratorTable.GetEntries();
1642     int i;
1643     for (i = 0; i < count; i++)
1644     {
1645         wxAcceleratorEntry* entry = & (entries[i]);
1646         if (entry->MatchesEvent(event))
1647         {
1648             // Bingo, we have a match. Now find a control that matches the entry
1649             // command id.
1650
1651             // Need to go up to the top of the window hierarchy, since it might
1652             // be e.g. a menu item
1653             wxWindow* parent = this;
1654             while ( parent && !parent->IsTopLevel() )
1655                 parent = parent->GetParent();
1656
1657             if (!parent)
1658                 return FALSE;
1659
1660             wxFrame* frame = wxDynamicCast(parent, wxFrame);
1661             if ( frame )
1662             {
1663                 // Try for a menu command
1664                 if (frame->GetMenuBar())
1665                 {
1666                     wxMenuItem* item = frame->GetMenuBar()->FindItem(entry->GetCommand());
1667                     if (item)
1668                     {
1669                         wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, entry->GetCommand());
1670                         commandEvent.SetEventObject(frame);
1671
1672                         // If ProcessEvent returns TRUE (it was handled), then
1673                         // the calling code will skip the event handling.
1674                         return frame->GetEventHandler()->ProcessEvent(commandEvent);
1675                     }
1676                 }
1677             }
1678
1679             // Find a child matching the command id
1680             wxWindow* child = parent->FindWindow(entry->GetCommand());
1681
1682             // No such child
1683             if (!child)
1684                 return FALSE;
1685
1686             // Now we process those kinds of windows that we can.
1687             // For now, only buttons.
1688             if ( wxDynamicCast(child, wxButton) )
1689             {
1690                 wxCommandEvent commandEvent (wxEVT_COMMAND_BUTTON_CLICKED, child->GetId());
1691                 commandEvent.SetEventObject(child);
1692                 return child->GetEventHandler()->ProcessEvent(commandEvent);
1693             }
1694
1695             return FALSE;
1696         } // matches event
1697     }// for
1698
1699     // We didn't match the key event against an accelerator.
1700     return FALSE;
1701 }
1702
1703 // ============================================================================
1704 // Motif-specific stuff from here on
1705 // ============================================================================
1706
1707 // ----------------------------------------------------------------------------
1708 // function which maintain the global hash table mapping Widgets to wxWindows
1709 // ----------------------------------------------------------------------------
1710
1711 bool wxAddWindowToTable(Widget w, wxWindow *win)
1712 {
1713     wxWindow *oldItem = NULL;
1714     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1715     {
1716         wxLogDebug("Widget table clash: new widget is %ld, %s",
1717                    (long)w, win->GetClassInfo()->GetClassName());
1718         return FALSE;
1719     }
1720
1721     wxWidgetHashTable->Put((long) w, win);
1722
1723     wxLogDebug("Widget 0x%08x <-> window %p (%s)",
1724                w, win, win->GetClassInfo()->GetClassName());
1725
1726     return TRUE;
1727 }
1728
1729 wxWindow *wxGetWindowFromTable(Widget w)
1730 {
1731     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1732 }
1733
1734 void wxDeleteWindowFromTable(Widget w)
1735 {
1736     wxWidgetHashTable->Delete((long)w);
1737 }
1738
1739 // ----------------------------------------------------------------------------
1740 // add/remove window from the table
1741 // ----------------------------------------------------------------------------
1742
1743 // Add to hash table, add event handler
1744 bool wxWindow::AttachWidget (wxWindow* WXUNUSED(parent), WXWidget mainWidget,
1745                              WXWidget formWidget, int x, int y, int width, int height)
1746 {
1747     wxAddWindowToTable((Widget) mainWidget, this);
1748     if (CanAddEventHandler())
1749     {
1750         XtAddEventHandler((Widget) mainWidget,
1751             ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1752             False,
1753             wxPanelItemEventHandler,
1754             (XtPointer) this);
1755     }
1756
1757     if (!formWidget)
1758     {
1759         XtTranslations ptr;
1760         XtOverrideTranslations ((Widget) mainWidget,
1761             ptr = XtParseTranslationTable ("<Configure>: resize()"));
1762         XtFree ((char *) ptr);
1763     }
1764
1765     // Some widgets have a parent form widget, e.g. wxRadioBox
1766     if (formWidget)
1767     {
1768         if (!wxAddWindowToTable((Widget) formWidget, this))
1769             return FALSE;
1770
1771         XtTranslations ptr;
1772         XtOverrideTranslations ((Widget) formWidget,
1773             ptr = XtParseTranslationTable ("<Configure>: resize()"));
1774         XtFree ((char *) ptr);
1775     }
1776
1777     if (x == -1)
1778         x = 0;
1779     if (y == -1)
1780         y = 0;
1781     SetSize (x, y, width, height);
1782
1783     return TRUE;
1784 }
1785
1786 // Remove event handler, remove from hash table
1787 bool wxWindow::DetachWidget(WXWidget widget)
1788 {
1789     if (CanAddEventHandler())
1790     {
1791         XtRemoveEventHandler((Widget) widget,
1792             ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1793             False,
1794             wxPanelItemEventHandler,
1795             (XtPointer)this);
1796     }
1797
1798     wxDeleteWindowFromTable((Widget) widget);
1799     return TRUE;
1800 }
1801
1802 // ----------------------------------------------------------------------------
1803 // Motif-specific accessors
1804 // ----------------------------------------------------------------------------
1805
1806 // Get the underlying X window
1807 WXWindow wxWindow::GetXWindow() const
1808 {
1809     Widget wMain = (Widget)GetMainWidget();
1810     if ( wMain )
1811         return (WXWindow) XtWindow(wMain);
1812     else
1813         return (WXWindow) 0;
1814 }
1815
1816 // Get the underlying X display
1817 WXDisplay *wxWindow::GetXDisplay() const
1818 {
1819     Widget wMain = (Widget)GetMainWidget();
1820     if ( wMain )
1821         return (WXDisplay*) XtDisplay(wMain);
1822     else
1823         return (WXDisplay*) NULL;
1824 }
1825
1826 WXWidget wxWindow::GetMainWidget() const
1827 {
1828     if (m_drawingArea)
1829         return m_drawingArea;
1830     else
1831         return m_mainWidget;
1832 }
1833
1834 WXWidget wxWindow::GetClientWidget() const
1835 {
1836     if (m_drawingArea != (WXWidget) 0)
1837         return m_drawingArea;
1838     else
1839         return GetMainWidget();
1840 }
1841
1842 WXWidget wxWindow::GetTopWidget() const
1843 {
1844     return GetMainWidget();
1845 }
1846
1847 WXWidget wxWindow::GetLabelWidget() const
1848 {
1849     return GetMainWidget();
1850 }
1851
1852 // ----------------------------------------------------------------------------
1853 // Motif callbacks
1854 // ----------------------------------------------------------------------------
1855
1856 // All widgets should have this as their resize proc.
1857 // OnSize sent to wxWindow via client data.
1858 void wxWidgetResizeProc(Widget w, XConfigureEvent *WXUNUSED(event), String WXUNUSED(args)[], int *WXUNUSED(num_args))
1859 {
1860     wxWindow *win = wxGetWindowFromTable(w);
1861     if (!win)
1862         return;
1863
1864     if (win->PreResize())
1865     {
1866         int width, height;
1867         win->GetSize(&width, &height);
1868         wxSizeEvent sizeEvent(wxSize(width, height), win->GetId());
1869         sizeEvent.SetEventObject(win);
1870         win->GetEventHandler()->ProcessEvent(sizeEvent);
1871     }
1872 }
1873
1874 static void wxCanvasRepaintProc(Widget drawingArea,
1875                                 XtPointer clientData,
1876                                 XmDrawingAreaCallbackStruct * cbs)
1877 {
1878     if (!wxGetWindowFromTable(drawingArea))
1879         return;
1880
1881     XEvent * event = cbs->event;
1882     wxWindow * win = (wxWindow *) clientData;
1883
1884     switch (event->type)
1885     {
1886     case Expose:
1887         {
1888             win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
1889                                event->xexpose.width, event->xexpose.height);
1890
1891             if (event -> xexpose.count == 0)
1892             {
1893                 win->DoPaint();
1894                 win->ClearUpdateRects();
1895             }
1896             break;
1897         }
1898     }
1899 }
1900
1901 // Unable to deal with Enter/Leave without a separate EventHandler (Motif 1.1.4)
1902 static void wxCanvasEnterLeave(Widget drawingArea,
1903                                XtPointer WXUNUSED(clientData),
1904                                XCrossingEvent * event)
1905 {
1906     XmDrawingAreaCallbackStruct cbs;
1907     XEvent ev;
1908
1909     ((XCrossingEvent &) ev) = *event;
1910
1911     cbs.reason = XmCR_INPUT;
1912     cbs.event = &ev;
1913
1914     wxCanvasInputEvent(drawingArea, (XtPointer) NULL, &cbs);
1915 }
1916
1917 // Fix to make it work under Motif 1.0 (!)
1918 static void wxCanvasMotionEvent (Widget WXUNUSED(drawingArea), XButtonEvent * WXUNUSED(event))
1919 {
1920 #if XmVersion <= 1000
1921     XmDrawingAreaCallbackStruct cbs;
1922     XEvent ev;
1923
1924     ev = *((XEvent *) event);
1925     cbs.reason = XmCR_INPUT;
1926     cbs.event = &ev;
1927
1928     wxCanvasInputEvent (drawingArea, (XtPointer) NULL, &cbs);
1929 #endif // XmVersion <= 1000
1930 }
1931
1932 static void wxCanvasInputEvent(Widget drawingArea,
1933                                XtPointer WXUNUSED(data),
1934                                XmDrawingAreaCallbackStruct * cbs)
1935 {
1936     wxWindow *canvas = wxGetWindowFromTable(drawingArea);
1937     XEvent local_event;
1938
1939     if (canvas==NULL)
1940         return;
1941
1942     if (cbs->reason != XmCR_INPUT)
1943         return;
1944
1945     local_event = *(cbs->event);    // We must keep a copy!
1946
1947     switch (local_event.xany.type)
1948     {
1949     case EnterNotify:
1950     case LeaveNotify:
1951     case ButtonPress:
1952     case ButtonRelease:
1953     case MotionNotify:
1954         {
1955             // FIXME: most of this mouse event code is more or less
1956             // duplicated in wxTranslateMouseEvent
1957             //
1958             wxEventType eventType = wxEVT_NULL;
1959
1960             if (local_event.xany.type == EnterNotify)
1961             {
1962                 //if (local_event.xcrossing.mode!=NotifyNormal)
1963                 //  return ; // Ignore grab events
1964                 eventType = wxEVT_ENTER_WINDOW;
1965                 //            canvas->GetEventHandler()->OnSetFocus();
1966             }
1967             else if (local_event.xany.type == LeaveNotify)
1968             {
1969                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1970                 //  return ; // Ignore grab events
1971                 eventType = wxEVT_LEAVE_WINDOW;
1972                 //            canvas->GetEventHandler()->OnKillFocus();
1973             }
1974             else if (local_event.xany.type == MotionNotify)
1975             {
1976                 eventType = wxEVT_MOTION;
1977                 if (local_event.xmotion.is_hint == NotifyHint)
1978                 {
1979                     Window root, child;
1980                     Display *dpy = XtDisplay (drawingArea);
1981
1982                     XQueryPointer (dpy, XtWindow (drawingArea),
1983                         &root, &child,
1984                         &local_event.xmotion.x_root,
1985                         &local_event.xmotion.y_root,
1986                         &local_event.xmotion.x,
1987                         &local_event.xmotion.y,
1988                         &local_event.xmotion.state);
1989                 }
1990                 else
1991                 {
1992                 }
1993             }
1994
1995             else if (local_event.xany.type == ButtonPress)
1996             {
1997                 if (local_event.xbutton.button == Button1)
1998                 {
1999                     eventType = wxEVT_LEFT_DOWN;
2000                     canvas->SetButton1(TRUE);
2001                 }
2002                 else if (local_event.xbutton.button == Button2)
2003                 {
2004                     eventType = wxEVT_MIDDLE_DOWN;
2005                     canvas->SetButton2(TRUE);
2006                 }
2007                 else if (local_event.xbutton.button == Button3)
2008                 {
2009                     eventType = wxEVT_RIGHT_DOWN;
2010                     canvas->SetButton3(TRUE);
2011                 }
2012             }
2013             else if (local_event.xany.type == ButtonRelease)
2014             {
2015                 if (local_event.xbutton.button == Button1)
2016                 {
2017                     eventType = wxEVT_LEFT_UP;
2018                     canvas->SetButton1(FALSE);
2019                 }
2020                 else if (local_event.xbutton.button == Button2)
2021                 {
2022                     eventType = wxEVT_MIDDLE_UP;
2023                     canvas->SetButton2(FALSE);
2024                 }
2025                 else if (local_event.xbutton.button == Button3)
2026                 {
2027                     eventType = wxEVT_RIGHT_UP;
2028                     canvas->SetButton3(FALSE);
2029                 }
2030             }
2031
2032             wxMouseEvent wxevent (eventType);
2033
2034             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2035                 || (event_left_is_down (&local_event)
2036                 && (eventType != wxEVT_LEFT_UP)));
2037             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2038                 || (event_middle_is_down (&local_event)
2039                 && (eventType != wxEVT_MIDDLE_UP)));
2040             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2041                 || (event_right_is_down (&local_event)
2042                 && (eventType != wxEVT_RIGHT_UP)));
2043
2044             wxevent.m_shiftDown = local_event.xbutton.state & ShiftMask;
2045             wxevent.m_controlDown = local_event.xbutton.state & ControlMask;
2046             wxevent.m_altDown = local_event.xbutton.state & Mod3Mask;
2047             wxevent.m_metaDown = local_event.xbutton.state & Mod1Mask;
2048             wxevent.SetTimestamp(local_event.xbutton.time);
2049
2050             // Now check if we need to translate this event into a double click
2051             if (TRUE) // canvas->doubleClickAllowed)
2052             {
2053                 if (wxevent.ButtonDown())
2054                 {
2055                     long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2056
2057                     // get button and time-stamp
2058                     int button = 0;
2059                     if (wxevent.LeftDown())
2060                         button = 1;
2061                     else if (wxevent.MiddleDown())
2062                         button = 2;
2063                     else if (wxevent.RightDown())
2064                         button = 3;
2065                     long ts = wxevent.GetTimestamp();
2066
2067                     // check, if single or double click
2068                     int buttonLast = canvas->GetLastClickedButton();
2069                     long lastTS = canvas->GetLastClickTime();
2070                     if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2071                     {
2072                         // I have a dclick
2073                         canvas->SetLastClick(0, ts);
2074                         switch ( eventType )
2075                         {
2076                         case wxEVT_LEFT_DOWN:
2077                             wxevent.SetEventType(wxEVT_LEFT_DCLICK);
2078                             break;
2079                         case wxEVT_MIDDLE_DOWN:
2080                             wxevent.SetEventType(wxEVT_MIDDLE_DCLICK);
2081                             break;
2082                         case wxEVT_RIGHT_DOWN:
2083                             wxevent.SetEventType(wxEVT_RIGHT_DCLICK);
2084                             break;
2085
2086                         default :
2087                             break;
2088                         }
2089
2090                     }
2091                     else
2092                     {
2093                         // not fast enough or different button
2094                         canvas->SetLastClick(button, ts);
2095                     }
2096                 }
2097             }
2098
2099             wxevent.SetId(canvas->GetId());
2100             wxevent.SetEventObject(canvas);
2101             wxevent.m_x = local_event.xbutton.x;
2102             wxevent.m_y = local_event.xbutton.y;
2103             canvas->GetEventHandler()->ProcessEvent (wxevent);
2104 #if 0
2105             if (eventType == wxEVT_ENTER_WINDOW ||
2106                     eventType == wxEVT_LEAVE_WINDOW ||
2107                     eventType == wxEVT_MOTION
2108                )
2109                 return;
2110 #endif // 0
2111             break;
2112       }
2113     case KeyPress:
2114         {
2115             KeySym keySym;
2116 #if 0
2117             XComposeStatus compose;
2118             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, &compose);
2119 #endif // 0
2120
2121             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2122             int id = wxCharCodeXToWX (keySym);
2123
2124             wxEventType eventType = wxEVT_CHAR;
2125
2126             wxKeyEvent event (eventType);
2127
2128             if (local_event.xkey.state & ShiftMask)
2129                 event.m_shiftDown = TRUE;
2130             if (local_event.xkey.state & ControlMask)
2131                 event.m_controlDown = TRUE;
2132             if (local_event.xkey.state & Mod3Mask)
2133                 event.m_altDown = TRUE;
2134             if (local_event.xkey.state & Mod1Mask)
2135                 event.m_metaDown = TRUE;
2136             event.SetEventObject(canvas);
2137             event.m_keyCode = id;
2138             event.SetTimestamp(local_event.xkey.time);
2139
2140             if (id > -1)
2141             {
2142                 // Implement wxFrame::OnCharHook by checking ancestor.
2143                 wxWindow *parent = canvas->GetParent();
2144                 while (parent && !parent->IsKindOf(CLASSINFO(wxFrame)))
2145                     parent = parent->GetParent();
2146
2147                 if (parent)
2148                 {
2149                     event.SetEventType(wxEVT_CHAR_HOOK);
2150                     if (parent->GetEventHandler()->ProcessEvent(event))
2151                         return;
2152                 }
2153
2154                 // For simplicity, OnKeyDown is the same as OnChar
2155                 // TODO: filter modifier key presses from OnChar
2156                 event.SetEventType(wxEVT_KEY_DOWN);
2157
2158                 // Only process OnChar if OnKeyDown didn't swallow it
2159                 if (!canvas->GetEventHandler()->ProcessEvent (event))
2160                 {
2161                   event.SetEventType(wxEVT_CHAR);
2162                   canvas->GetEventHandler()->ProcessEvent (event);
2163         }
2164             }
2165             break;
2166         }
2167     case KeyRelease:
2168         {
2169             KeySym keySym;
2170             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2171             int id = wxCharCodeXToWX (keySym);
2172
2173             wxKeyEvent event (wxEVT_KEY_UP);
2174
2175             if (local_event.xkey.state & ShiftMask)
2176                 event.m_shiftDown = TRUE;
2177             if (local_event.xkey.state & ControlMask)
2178                 event.m_controlDown = TRUE;
2179             if (local_event.xkey.state & Mod3Mask)
2180                 event.m_altDown = TRUE;
2181             if (local_event.xkey.state & Mod1Mask)
2182                 event.m_metaDown = TRUE;
2183             event.SetEventObject(canvas);
2184             event.m_keyCode = id;
2185             event.SetTimestamp(local_event.xkey.time);
2186
2187             if (id > -1)
2188             {
2189                 canvas->GetEventHandler()->ProcessEvent (event);
2190             }
2191             break;
2192         }
2193     case FocusIn:
2194         {
2195             if (local_event.xfocus.detail != NotifyPointer)
2196             {
2197                 wxFocusEvent event(wxEVT_SET_FOCUS, canvas->GetId());
2198                 event.SetEventObject(canvas);
2199                 canvas->GetEventHandler()->ProcessEvent(event);
2200             }
2201             break;
2202         }
2203     case FocusOut:
2204         {
2205             if (local_event.xfocus.detail != NotifyPointer)
2206             {
2207                 wxFocusEvent event(wxEVT_KILL_FOCUS, canvas->GetId());
2208                 event.SetEventObject(canvas);
2209                 canvas->GetEventHandler()->ProcessEvent(event);
2210             }
2211             break;
2212         }
2213     default:
2214         break;
2215     }
2216 }
2217
2218 static void wxPanelItemEventHandler(Widget    wid,
2219                                     XtPointer WXUNUSED(client_data),
2220                                     XEvent*   event,
2221                                     Boolean  *continueToDispatch)
2222 {
2223     // Widget can be a label or the actual widget.
2224
2225     wxWindow *window = wxGetWindowFromTable(wid);
2226     if (window)
2227     {
2228         wxMouseEvent wxevent(0);
2229         if (wxTranslateMouseEvent(wxevent, window, wid, event))
2230         {
2231             window->GetEventHandler()->ProcessEvent(wxevent);
2232         }
2233     }
2234
2235     // TODO: probably the key to allowing default behaviour to happen. Say we
2236     // set a m_doDefault flag to FALSE at the start of this function. Then in
2237     // e.g. wxWindow::OnMouseEvent we can call Default() which sets this flag to
2238     // TRUE, indicating that default processing can happen. Thus, behaviour can
2239     // appear to be overridden just by adding an event handler and not calling
2240     // wxWindow::OnWhatever. ALSO, maybe we can use this instead of the current
2241     // way of handling drawing area events, to simplify things.
2242     *continueToDispatch = True;
2243 }
2244
2245 static void wxScrollBarCallback(Widget scrollbar,
2246                                 XtPointer clientData,
2247                                 XmScrollBarCallbackStruct *cbs)
2248 {
2249     wxWindow *win = wxGetWindowFromTable(scrollbar);
2250     int orientation = (int) clientData;
2251
2252     wxEventType eventType = wxEVT_NULL;
2253     switch (cbs->reason)
2254     {
2255     case XmCR_INCREMENT:
2256         {
2257             eventType = wxEVT_SCROLLWIN_LINEDOWN;
2258             break;
2259         }
2260     case XmCR_DECREMENT:
2261         {
2262             eventType = wxEVT_SCROLLWIN_LINEUP;
2263             break;
2264         }
2265     case XmCR_DRAG:
2266         {
2267             eventType = wxEVT_SCROLLWIN_THUMBTRACK;
2268             break;
2269         }
2270     case XmCR_VALUE_CHANGED:
2271         {
2272             // TODO: Should this be intercepted too, or will it cause
2273             // duplicate events?
2274             eventType = wxEVT_SCROLLWIN_THUMBTRACK;
2275             break;
2276         }
2277     case XmCR_PAGE_INCREMENT:
2278         {
2279             eventType = wxEVT_SCROLLWIN_PAGEDOWN;
2280             break;
2281         }
2282     case XmCR_PAGE_DECREMENT:
2283         {
2284             eventType = wxEVT_SCROLLWIN_PAGEUP;
2285             break;
2286         }
2287     case XmCR_TO_TOP:
2288         {
2289             eventType = wxEVT_SCROLLWIN_TOP;
2290             break;
2291         }
2292     case XmCR_TO_BOTTOM:
2293         {
2294             eventType = wxEVT_SCROLLWIN_BOTTOM;
2295             break;
2296         }
2297     default:
2298         {
2299             // Should never get here
2300             wxFAIL_MSG("Unknown scroll event.");
2301             break;
2302         }
2303     }
2304
2305     wxScrollWinEvent event(eventType,
2306                            cbs->value,
2307                            ((orientation == XmHORIZONTAL) ?
2308                             wxHORIZONTAL : wxVERTICAL));
2309     event.SetEventObject( win );
2310     win->GetEventHandler()->ProcessEvent(event);
2311 }
2312
2313 // For repainting arbitrary windows
2314 void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event, char *)
2315 {
2316     Window window;
2317     Display *display;
2318
2319     wxWindow* win = wxGetWindowFromTable(w);
2320     if (!win)
2321         return;
2322
2323     switch(event -> type)
2324     {
2325     case Expose:
2326         {
2327             window = (Window) win -> GetXWindow();
2328             display = (Display *) win -> GetXDisplay();
2329
2330             if (event -> xexpose.count == 0)
2331             {
2332                 win->DoPaint();
2333
2334                 win->ClearUpdateRects();
2335             }
2336             else
2337             {
2338                 win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
2339                                    event->xexpose.width, event->xexpose.height);
2340             }
2341
2342             break;
2343         }
2344     }
2345 }
2346
2347 // ----------------------------------------------------------------------------
2348 // CanvaseXXXSize() functions
2349 // ----------------------------------------------------------------------------
2350
2351 // SetSize, but as per old wxCanvas (with drawing widget etc.)
2352 void wxWindow::CanvasSetSize (int x, int y, int w, int h, int sizeFlags)
2353 {
2354     // A bit of optimization to help sort out the flickers.
2355     int oldX, oldY, oldW, oldH;
2356     GetSize(& oldW, & oldH);
2357     GetPosition(& oldX, & oldY);
2358
2359     bool useOldPos = FALSE;
2360     bool useOldSize = FALSE;
2361
2362     if ((x == -1) && (x == -1) && ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0))
2363         useOldPos = TRUE;
2364     else if (x == oldX && y == oldY)
2365         useOldPos = TRUE;
2366
2367     if ((w == -1) && (h == -1))
2368         useOldSize = TRUE;
2369     else if (w == oldW && h == oldH)
2370         useOldSize = TRUE;
2371
2372     if (!wxNoOptimize::CanOptimize())
2373     {
2374         useOldSize = FALSE; useOldPos = FALSE;
2375     }
2376
2377     if (useOldPos && useOldSize)
2378         return;
2379
2380     Widget drawingArea = (Widget) m_drawingArea;
2381     bool managed = XtIsManaged(m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2382
2383     if (managed)
2384         XtUnmanageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2385     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2386
2387     int xx = x; int yy = y;
2388     AdjustForParentClientOrigin(xx, yy, sizeFlags);
2389
2390     if (!useOldPos)
2391     {
2392         if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2393         {
2394             XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2395                 XmNx, xx, NULL);
2396         }
2397
2398         if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2399         {
2400             XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2401                 XmNy, yy, NULL);
2402         }
2403     }
2404
2405     if (!useOldSize)
2406     {
2407
2408         if (w > -1)
2409         {
2410             if (m_borderWidget)
2411             {
2412                 XtVaSetValues ((Widget) m_borderWidget, XmNwidth, w, NULL);
2413                 short thick, margin;
2414                 XtVaGetValues ((Widget) m_borderWidget,
2415                     XmNshadowThickness, &thick,
2416                     XmNmarginWidth, &margin,
2417                     NULL);
2418                 w -= 2 * (thick + margin);
2419             }
2420
2421             XtVaSetValues ((Widget) m_scrolledWindow, XmNwidth, w, NULL);
2422
2423             Dimension spacing;
2424             Widget sbar;
2425             XtVaGetValues ((Widget) m_scrolledWindow,
2426                 XmNspacing, &spacing,
2427                 XmNverticalScrollBar, &sbar,
2428                 NULL);
2429             Dimension wsbar;
2430             if (sbar)
2431                 XtVaGetValues (sbar, XmNwidth, &wsbar, NULL);
2432             else
2433                 wsbar = 0;
2434
2435             w -= (spacing + wsbar);
2436
2437 #if 0
2438             XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2439 #endif // 0
2440         }
2441         if (h > -1)
2442         {
2443             if (m_borderWidget)
2444             {
2445                 XtVaSetValues ((Widget) m_borderWidget, XmNheight, h, NULL);
2446                 short thick, margin;
2447                 XtVaGetValues ((Widget) m_borderWidget,
2448                     XmNshadowThickness, &thick,
2449                     XmNmarginHeight, &margin,
2450                     NULL);
2451                 h -= 2 * (thick + margin);
2452             }
2453
2454             XtVaSetValues ((Widget) m_scrolledWindow, XmNheight, h, NULL);
2455
2456             Dimension spacing;
2457             Widget sbar;
2458             XtVaGetValues ((Widget) m_scrolledWindow,
2459                 XmNspacing, &spacing,
2460                 XmNhorizontalScrollBar, &sbar,
2461                 NULL);
2462             Dimension wsbar;
2463             if (sbar)
2464                 XtVaGetValues (sbar, XmNheight, &wsbar, NULL);
2465             else
2466                 wsbar = 0;
2467
2468             h -= (spacing + wsbar);
2469
2470 #if 0
2471             XtVaSetValues(drawingArea, XmNheight, h, NULL);
2472 #endif // 0
2473         }
2474     }
2475
2476     if (managed)
2477         XtManageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2478     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2479
2480 #if 0
2481     int ww, hh;
2482     GetClientSize (&ww, &hh);
2483     wxSizeEvent sizeEvent(wxSize(ww, hh), GetId());
2484     sizeEvent.SetEventObject(this);
2485
2486     GetEventHandler()->ProcessEvent(sizeEvent);
2487 #endif // 0
2488 }
2489
2490 void wxWindow::CanvasSetClientSize (int w, int h)
2491 {
2492     Widget drawingArea = (Widget) m_drawingArea;
2493
2494     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2495
2496     if (w > -1)
2497         XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2498     if (h > -1)
2499         XtVaSetValues(drawingArea, XmNheight, h, NULL);
2500
2501 #if 0
2502     // TODO: is this necessary?
2503     allowRepainting = FALSE;
2504
2505     XSync (XtDisplay (drawingArea), FALSE);
2506     XEvent event;
2507     while (XtAppPending (wxTheApp->appContext))
2508     {
2509         XFlush (XtDisplay (drawingArea));
2510         XtAppNextEvent (wxTheApp->appContext, &event);
2511         XtDispatchEvent (&event);
2512     }
2513 #endif // 0
2514
2515     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2516
2517 #if 0
2518     allowRepainting = TRUE;
2519     DoRefresh ();
2520
2521     wxSizeEvent sizeEvent(wxSize(w, h), GetId());
2522     sizeEvent.SetEventObject(this);
2523
2524     GetEventHandler()->ProcessEvent(sizeEvent);
2525 #endif // 0
2526 }
2527
2528 void wxWindow::CanvasGetClientSize (int *w, int *h) const
2529 {
2530     // Must return the same thing that was set via SetClientSize
2531     Dimension xx, yy;
2532     XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2533     *w = xx;
2534     *h = yy;
2535 }
2536
2537 void wxWindow::CanvasGetSize (int *w, int *h) const
2538 {
2539     Dimension xx, yy;
2540     if ((Widget) m_borderWidget)
2541         XtVaGetValues ((Widget) m_borderWidget, XmNwidth, &xx, XmNheight, &yy, NULL);
2542     else if ((Widget) m_scrolledWindow)
2543         XtVaGetValues ((Widget) m_scrolledWindow, XmNwidth, &xx, XmNheight, &yy, NULL);
2544     else
2545         XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2546
2547     *w = xx;
2548     *h = yy;
2549 }
2550
2551 void wxWindow::CanvasGetPosition (int *x, int *y) const
2552 {
2553     Position xx, yy;
2554     XtVaGetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow, XmNx, &xx, XmNy, &yy, NULL);
2555
2556     // We may be faking the client origin.
2557     // So a window that's really at (0, 30) may appear
2558     // (to wxWin apps) to be at (0, 0).
2559     if (GetParent())
2560     {
2561         wxPoint pt(GetParent()->GetClientAreaOrigin());
2562         xx -= pt.x;
2563         yy -= pt.y;
2564     }
2565
2566     *x = xx;
2567     *y = yy;
2568 }
2569
2570 // ----------------------------------------------------------------------------
2571 // TranslateXXXEvent() functions
2572 // ----------------------------------------------------------------------------
2573
2574 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent)
2575 {
2576     switch (xevent->xany.type)
2577     {
2578         case EnterNotify:  // never received here - yes ? MB
2579         case LeaveNotify:  // never received here - yes ? MB
2580         case ButtonPress:
2581         case ButtonRelease:
2582         case MotionNotify:
2583         {
2584             wxEventType eventType = wxEVT_NULL;
2585
2586             // FIXME: this is never true I think - MB
2587             //
2588             if (xevent->xany.type == LeaveNotify)
2589             {
2590                 win->SetButton1(FALSE);
2591                 win->SetButton2(FALSE);
2592                 win->SetButton3(FALSE);
2593                 return FALSE;
2594             }
2595             else if (xevent->xany.type == MotionNotify)
2596             {
2597                 eventType = wxEVT_MOTION;
2598             }
2599             else if (xevent->xany.type == ButtonPress)
2600             {
2601                 wxevent.SetTimestamp(xevent->xbutton.time);
2602                 int button = 0;
2603                 if (xevent->xbutton.button == Button1)
2604                 {
2605                     eventType = wxEVT_LEFT_DOWN;
2606                     win->SetButton1(TRUE);
2607                     button = 1;
2608                 }
2609                 else if (xevent->xbutton.button == Button2)
2610                 {
2611                     eventType = wxEVT_MIDDLE_DOWN;
2612                     win->SetButton2(TRUE);
2613                     button = 2;
2614                 }
2615                 else if (xevent->xbutton.button == Button3)
2616                 {
2617                     eventType = wxEVT_RIGHT_DOWN;
2618                     win->SetButton3(TRUE);
2619                     button = 3;
2620                 }
2621
2622                 // check for a double click
2623                 //
2624                 long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2625                 long ts = wxevent.GetTimestamp();
2626
2627                 int buttonLast = win->GetLastClickedButton();
2628                 long lastTS = win->GetLastClickTime();
2629                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2630                 {
2631                     // I have a dclick
2632                     win->SetLastClick(0, ts);
2633                     switch ( eventType )
2634                     {
2635                         case wxEVT_LEFT_DOWN:
2636                             eventType = wxEVT_LEFT_DCLICK;
2637                             break;
2638                         case wxEVT_MIDDLE_DOWN:
2639                             eventType = wxEVT_MIDDLE_DCLICK;
2640                             break;
2641                         case wxEVT_RIGHT_DOWN:
2642                             eventType = wxEVT_RIGHT_DCLICK;
2643                             break;
2644
2645                         default :
2646                             break;
2647                     }
2648
2649                 }
2650                 else
2651                 {
2652                     // not fast enough or different button
2653                     win->SetLastClick(button, ts);
2654                 }
2655             }
2656             else if (xevent->xany.type == ButtonRelease)
2657             {
2658                 if (xevent->xbutton.button == Button1)
2659                 {
2660                     eventType = wxEVT_LEFT_UP;
2661                     win->SetButton1(FALSE);
2662                 }
2663                 else if (xevent->xbutton.button == Button2)
2664                 {
2665                     eventType = wxEVT_MIDDLE_UP;
2666                     win->SetButton2(FALSE);
2667                 }
2668                 else if (xevent->xbutton.button == Button3)
2669                 {
2670                     eventType = wxEVT_RIGHT_UP;
2671                     win->SetButton3(FALSE);
2672                 }
2673                 else return FALSE;
2674             }
2675             else
2676             {
2677                 return FALSE;
2678             }
2679
2680             wxevent.SetEventType(eventType);
2681
2682             Position x1, y1;
2683             XtVaGetValues(widget, XmNx, &x1, XmNy, &y1, NULL);
2684
2685             int x2, y2;
2686             win->GetPosition(&x2, &y2);
2687
2688             // The button x/y must be translated to wxWindows
2689             // window space - the widget might be a label or button,
2690             // within a form.
2691             int dx = 0;
2692             int dy = 0;
2693             if (widget != (Widget)win->GetMainWidget())
2694             {
2695                 dx = x1;
2696                 dy = y1;
2697             }
2698
2699             wxevent.m_x = xevent->xbutton.x + dx;
2700             wxevent.m_y = xevent->xbutton.y + dy;
2701
2702             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2703                 || (event_left_is_down (xevent)
2704                 && (eventType != wxEVT_LEFT_UP)));
2705             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2706                 || (event_middle_is_down (xevent)
2707                 && (eventType != wxEVT_MIDDLE_UP)));
2708             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2709                 || (event_right_is_down (xevent)
2710                 && (eventType != wxEVT_RIGHT_UP)));
2711
2712             wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
2713             wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
2714             wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
2715             wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
2716
2717             wxevent.SetId(win->GetId());
2718             wxevent.SetEventObject(win);
2719
2720             return TRUE;
2721         }
2722     }
2723     return FALSE;
2724 }
2725
2726 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget WXUNUSED(widget), XEvent *xevent)
2727 {
2728     switch (xevent->xany.type)
2729     {
2730     case KeyPress:
2731     case KeyRelease:
2732         {
2733             char buf[20];
2734
2735             KeySym keySym;
2736 #if 0
2737             XComposeStatus compose;
2738             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, &compose);
2739 #endif // 0
2740             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
2741             int id = wxCharCodeXToWX (keySym);
2742
2743             if (xevent->xkey.state & ShiftMask)
2744                 wxevent.m_shiftDown = TRUE;
2745             if (xevent->xkey.state & ControlMask)
2746                 wxevent.m_controlDown = TRUE;
2747             if (xevent->xkey.state & Mod3Mask)
2748                 wxevent.m_altDown = TRUE;
2749             if (xevent->xkey.state & Mod1Mask)
2750                 wxevent.m_metaDown = TRUE;
2751             wxevent.SetEventObject(win);
2752             wxevent.m_keyCode = id;
2753             wxevent.SetTimestamp(xevent->xkey.time);
2754
2755             wxevent.m_x = xevent->xbutton.x;
2756             wxevent.m_y = xevent->xbutton.y;
2757
2758             if (id > -1)
2759                 return TRUE;
2760             else
2761                 return FALSE;
2762             break;
2763         }
2764     default:
2765         break;
2766     }
2767     return FALSE;
2768 }
2769
2770 // ----------------------------------------------------------------------------
2771 // Colour stuff
2772 // ----------------------------------------------------------------------------
2773
2774 #define YAllocColor XAllocColor
2775 XColor g_itemColors[5];
2776 int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
2777 {
2778     int result;
2779     static XmColorProc colorProc;
2780
2781     result = wxNO_COLORS;
2782
2783     if (back)
2784     {
2785         g_itemColors[0].red = (((long) back->Red ()) << 8);
2786         g_itemColors[0].green = (((long) back->Green ()) << 8);
2787         g_itemColors[0].blue = (((long) back->Blue ()) << 8);
2788         g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
2789         if (colorProc == (XmColorProc) NULL)
2790         {
2791             // Get a ptr to the actual function
2792             colorProc = XmSetColorCalculation ((XmColorProc) NULL);
2793             // And set it back to motif.
2794             XmSetColorCalculation (colorProc);
2795         }
2796         (*colorProc) (&g_itemColors[wxBACK_INDEX],
2797             &g_itemColors[wxFORE_INDEX],
2798             &g_itemColors[wxSELE_INDEX],
2799             &g_itemColors[wxTOPS_INDEX],
2800             &g_itemColors[wxBOTS_INDEX]);
2801         result = wxBACK_COLORS;
2802     }
2803     if (fore)
2804     {
2805         g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
2806         g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
2807         g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
2808         g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
2809         if (result == wxNO_COLORS)
2810             result = wxFORE_COLORS;
2811     }
2812
2813     Display *dpy = display;
2814     Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
2815
2816     if (back)
2817     {
2818         /* 5 Colours to allocate */
2819         for (int i = 0; i < 5; i++)
2820             if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
2821                 result = wxNO_COLORS;
2822     }
2823     else if (fore)
2824     {
2825         /* Only 1 colour to allocate */
2826         if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
2827             result = wxNO_COLORS;
2828     }
2829
2830     return (result);
2831
2832 }
2833
2834 // Changes the foreground and background colours to be derived from the current
2835 // background colour. To change the foreground colour, you must call
2836 // SetForegroundColour explicitly.
2837 void wxWindow::ChangeBackgroundColour()
2838 {
2839     WXWidget mainWidget = GetMainWidget();
2840     if ( mainWidget )
2841         DoChangeBackgroundColour(mainWidget, m_backgroundColour);
2842
2843     // This not necessary
2844 #if 0
2845
2846     if (m_scrolledWindow && (GetMainWidget() != m_scrolledWindow))
2847     {
2848         DoChangeBackgroundColour(m_scrolledWindow, m_backgroundColour);
2849         // Have to set the scrollbar colours back since
2850         // the scrolled window seemed to change them
2851         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
2852
2853         if (m_hScrollBar)
2854             DoChangeBackgroundColour(m_hScrollBar, backgroundColour);
2855         if (m_vScrollBar)
2856             DoChangeBackgroundColour(m_vScrollBar, backgroundColour);
2857     }
2858 #endif
2859 }
2860
2861 void wxWindow::ChangeForegroundColour()
2862 {
2863     WXWidget mainWidget = GetMainWidget();
2864     if ( mainWidget )
2865         DoChangeForegroundColour(mainWidget, m_foregroundColour);
2866     if ( m_scrolledWindow && mainWidget != m_scrolledWindow )
2867         DoChangeForegroundColour(m_scrolledWindow, m_foregroundColour);
2868 }
2869
2870 // Change a widget's foreground and background colours.
2871 void wxWindow::DoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
2872 {
2873     // When should we specify the foreground, if it's calculated
2874     // by wxComputeColours?
2875     // Solution: say we start with the default (computed) foreground colour.
2876     // If we call SetForegroundColour explicitly for a control or window,
2877     // then the foreground is changed.
2878     // Therefore SetBackgroundColour computes the foreground colour, and
2879     // SetForegroundColour changes the foreground colour. The ordering is
2880     // important.
2881
2882     Widget w = (Widget)widget;
2883     XtVaSetValues(
2884                   w,
2885                   XmNforeground, foregroundColour.AllocColour(XtDisplay(w)),
2886                   NULL
2887                  );
2888 }
2889
2890 void wxWindow::DoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour)
2891 {
2892     wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
2893         (wxColour*) NULL);
2894
2895     XtVaSetValues ((Widget) widget,
2896         XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
2897         XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
2898         XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
2899         XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
2900         NULL);
2901
2902     if (changeArmColour)
2903         XtVaSetValues ((Widget) widget,
2904         XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
2905         NULL);
2906 }
2907
2908 bool wxWindow::SetBackgroundColour(const wxColour& col)
2909 {
2910     if ( !wxWindowBase::SetBackgroundColour(col) )
2911         return FALSE;
2912
2913     ChangeBackgroundColour();
2914
2915     return TRUE;
2916 }
2917
2918 bool wxWindow::SetForegroundColour(const wxColour& col)
2919 {
2920     if ( !wxWindowBase::SetForegroundColour(col) )
2921         return FALSE;
2922
2923     ChangeForegroundColour();
2924
2925     return TRUE;
2926 }
2927
2928 void wxWindow::ChangeFont(bool keepOriginalSize)
2929 {
2930     // Note that this causes the widget to be resized back
2931     // to its original size! We therefore have to set the size
2932     // back again. TODO: a better way in Motif?
2933     Widget w = (Widget) GetLabelWidget(); // Usually the main widget
2934     if (w && m_font.Ok())
2935     {
2936         int width, height, width1, height1;
2937         GetSize(& width, & height);
2938
2939         // lesstif 0.87 hangs here
2940 #ifndef LESSTIF_VERSION
2941         XtVaSetValues (w,
2942             XmNfontList, (XmFontList) m_font.GetFontList(1.0, XtDisplay(w)),
2943             NULL);
2944 #endif
2945
2946         GetSize(& width1, & height1);
2947         if (keepOriginalSize && (width != width1 || height != height1))
2948         {
2949             SetSize(-1, -1, width, height);
2950         }
2951     }
2952 }
2953
2954 // ----------------------------------------------------------------------------
2955 // global functions
2956 // ----------------------------------------------------------------------------
2957
2958 wxWindow *wxGetActiveWindow()
2959 {
2960     // TODO
2961     return NULL;
2962 }
2963
2964 // ----------------------------------------------------------------------------
2965 // wxNoOptimize: switch off size optimization
2966 // ----------------------------------------------------------------------------
2967
2968 int wxNoOptimize::ms_count = 0;
2969
2970
2971
2972