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     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
 124
 125     BEGIN_EVENT_TABLE(wxWindow, wxWindowBase)
 126         EVT_SYS_COLOUR_CHANGED(wxWindow::OnSysColourChanged)
 127         EVT_IDLE(wxWindow::OnIdle)
 128     END_EVENT_TABLE()
 129
 130 // ============================================================================
 131 // implementation
 132 // ============================================================================
 133
 134 // ----------------------------------------------------------------------------
 135 // helper functions
 136 // ----------------------------------------------------------------------------
 137
 138 void wxWindow::UnmanageAndDestroy(WXWidget widget)
 139 {
 140     Widget w = (Widget)widget;
 141     if ( w )
 142     {
 143         XtUnmanageChild(w);
 144         XtDestroyWidget(w);
 145     }
 146 }
 147
 148 bool wxWindow::MapOrUnmap(WXWidget widget, bool map)
 149 {
 150     Widget w = (Widget)widget;
 151     if ( !w )
 152         return FALSE;
 153
 154     if ( map )
 155         XtMapWidget(w);
 156     else
 157         XtUnmapWidget(w);
 158
 159     return TRUE;
 160 }
 161
 162 // ----------------------------------------------------------------------------
 163 // constructors
 164 // ----------------------------------------------------------------------------
 165
 166 void wxWindow::Init()
 167 {
 168     // generic initializations first
 169     InitBase();
 170
 171     // Motif-specific
 172     m_needsRefresh = TRUE;
 173     m_mainWidget = (WXWidget) 0;
 174
 175     m_button1Pressed =
 176     m_button2Pressed =
 177     m_button3Pressed = FALSE;
 178
 179     m_winCaptured = FALSE;
 180
 181     m_isShown = TRUE;
 182     m_isBeingDeleted = FALSE;
 183
 184     m_hScrollBar =
 185     m_vScrollBar =
 186     m_borderWidget =
 187     m_scrolledWindow =
 188     m_drawingArea = (WXWidget) 0;
 189
 190     m_hScroll =
 191     m_vScroll = FALSE;
 192
 193     m_scrollPosX =
 194     m_scrollPosY = 0;
 195
 196     m_backingPixmap = (WXPixmap) 0;
 197     m_pixmapWidth =
 198     m_pixmapHeight = 0;
 199
 200     m_pixmapOffsetX =
 201     m_pixmapOffsetY = 0;
 202
 203     m_lastTS = 0;
 204     m_lastButton = 0;
 205     m_canAddEventHandler = FALSE;
 206 }
 207
 208 // real construction (Init() must have been called before!)
 209 bool wxWindow::Create(wxWindow *parent, wxWindowID id,
 210                       const wxPoint& pos,
 211                       const wxSize& size,
 212                       long style,
 213                       const wxString& name)
 214 {
 215     wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
 216
 217     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 218
 219     parent->AddChild(this);
 220
 221     m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 222     m_foregroundColour = *wxBLACK;
 223
 224     //// TODO: we should probably optimize by only creating a
 225     //// a drawing area if we have one or more scrollbars (wxVSCROLL/wxHSCROLL).
 226     //// But for now, let's simplify things by always creating the
 227     //// drawing area, since otherwise the translations are different.
 228
 229     // New translations for getting mouse motion feedback
 230     static const String translations =
 231 "<Btn1Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 232 <Btn2Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 233 <Btn3Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 234 <BtnMotion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 235 <Btn1Down>: DrawingAreaInput() ManagerGadgetArm()\n\
 236 <Btn2Down>: DrawingAreaInput() ManagerGadgetArm()\n\
 237 <Btn3Down>: DrawingAreaInput() ManagerGadgetArm()\n\
 238 <Btn1Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
 239 <Btn2Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
 240 <Btn3Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
 241 <Motion>: wxCanvasMotionEvent() DrawingAreaInput()\n\
 242 <EnterWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
 243 <LeaveWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
 244 <Key>: DrawingAreaInput()";
 245
 246     XtActionsRec actions[1];
 247     actions[0].string = "wxCanvasMotionEvent";
 248     actions[0].proc = (XtActionProc) wxCanvasMotionEvent;
 249     XtAppAddActions ((XtAppContext) wxTheApp->GetAppContext(), actions, 1);
 250
 251     Widget parentWidget = (Widget) parent->GetClientWidget();
 252
 253     if (style & wxSIMPLE_BORDER)
 254     {
 255         m_borderWidget = (WXWidget)XtVaCreateManagedWidget
 256                                    (
 257                                     "canvasBorder",
 258                                     xmFrameWidgetClass, parentWidget,
 259                                     XmNshadowType, XmSHADOW_IN,
 260                                     XmNshadowThickness, 1,
 261                                     NULL
 262                                    );
 263     } else if (style & wxSUNKEN_BORDER)
 264     {
 265         m_borderWidget = (WXWidget)XtVaCreateManagedWidget
 266                                    (
 267                                     "canvasBorder",
 268                                     xmFrameWidgetClass, parentWidget,
 269                                     XmNshadowType, XmSHADOW_IN,
 270                                     NULL
 271                                    );
 272     } else if (style & wxRAISED_BORDER)
 273     {
 274         m_borderWidget = (WXWidget)XtVaCreateManagedWidget
 275                                    (
 276                                     "canvasBorder",
 277                                     xmFrameWidgetClass, parentWidget,
 278                                     XmNshadowType, XmSHADOW_OUT,
 279                                     NULL
 280                                    );
 281     }
 282
 283     m_scrolledWindow = (WXWidget)XtVaCreateManagedWidget
 284                                  (
 285                                   "scrolledWindow",
 286                                   xmScrolledWindowWidgetClass,
 287                                   m_borderWidget ? (Widget) m_borderWidget
 288                                                  : parentWidget,
 289                                   XmNresizePolicy, XmRESIZE_NONE,
 290                                   XmNspacing, 0,
 291                                   XmNscrollingPolicy, XmAPPLICATION_DEFINED,
 292                                   //XmNscrollBarDisplayPolicy, XmAS_NEEDED,
 293                                   NULL
 294                                  );
 295
 296     XtTranslations ptr = XtParseTranslationTable(translations);
 297     m_drawingArea = (WXWidget)XtVaCreateWidget
 298                               (
 299                                name,
 300                                xmDrawingAreaWidgetClass, (Widget) m_scrolledWindow,
 301                                XmNunitType, XmPIXELS,
 302                                // XmNresizePolicy, XmRESIZE_ANY,
 303                                XmNresizePolicy, XmRESIZE_NONE,
 304                                XmNmarginHeight, 0,
 305                                XmNmarginWidth, 0,
 306                                XmNtranslations, ptr,
 307                                NULL
 308                               );
 309     XtFree((char *) ptr);
 310
 311 #if 0
 312     if (GetWindowStyleFlag() & wxOVERRIDE_KEY_TRANSLATIONS)
 313     {
 314         ptr = XtParseTranslationTable ("<Key>: DrawingAreaInput()");
 315         XtOverrideTranslations ((Widget) m_drawingArea, ptr);
 316         XtFree ((char *) ptr);
 317     }
 318 #endif // 0
 319
 320     wxAddWindowToTable((Widget) m_drawingArea, this);
 321     wxAddWindowToTable((Widget) m_scrolledWindow, this);
 322
 323     // This order is very important in Motif 1.2.1
 324     XtRealizeWidget ((Widget) m_scrolledWindow);
 325     XtRealizeWidget ((Widget) m_drawingArea);
 326     XtManageChild ((Widget) m_drawingArea);
 327
 328     ptr = XtParseTranslationTable("<Configure>: resize()");
 329     XtOverrideTranslations((Widget) m_drawingArea, ptr);
 330     XtFree ((char *) ptr);
 331
 332     XtAddCallback ((Widget) m_drawingArea, XmNexposeCallback, (XtCallbackProc) wxCanvasRepaintProc, (XtPointer) this);
 333     XtAddCallback ((Widget) m_drawingArea, XmNinputCallback, (XtCallbackProc) wxCanvasInputEvent, (XtPointer) this);
 334
 335     // TODO?
 336 #if 0
 337     display = XtDisplay (scrolledWindow);
 338     xwindow = XtWindow (drawingArea);
 339 #endif // 0
 340
 341     XtAddEventHandler(
 342                       (Widget)m_drawingArea,
 343                        PointerMotionHintMask | EnterWindowMask |
 344                        LeaveWindowMask | FocusChangeMask,
 345                        False,
 346                        (XtEventHandler) wxCanvasEnterLeave,
 347                        (XtPointer) this
 348                      );
 349
 350     // Scrolled widget needs to have its colour changed or we get a little blue
 351     // square where the scrollbars abutt
 352     wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 353     DoChangeBackgroundColour(m_scrolledWindow, backgroundColour, TRUE);
 354     DoChangeBackgroundColour(m_drawingArea, backgroundColour, TRUE);
 355
 356     XmScrolledWindowSetAreas(
 357                              (Widget)m_scrolledWindow,
 358                              (Widget) 0, (Widget) 0,
 359                              (Widget) m_drawingArea);
 360
 361 #if 0
 362     if (m_hScrollBar)
 363         XtRealizeWidget ((Widget) m_hScrollBar);
 364     if (m_vScrollBar)
 365         XtRealizeWidget ((Widget) m_vScrollBar);
 366 #endif // 0
 367
 368     // Without this, the cursor may not be restored properly (e.g. in splitter
 369     // sample).
 370     SetCursor(*wxSTANDARD_CURSOR);
 371     SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
 372     SetSize(pos.x, pos.y, size.x, size.y);
 373
 374     return TRUE;
 375 }
 376
 377 // Destructor
 378 wxWindow::~wxWindow()
 379 {
 380     m_isBeingDeleted = TRUE;
 381
 382     // Motif-specific actions first
 383     WXWidget wMain = GetMainWidget();
 384     if ( wMain )
 385     {
 386         // Removes event handlers
 387         DetachWidget(wMain);
 388     }
 389
 390     ClearUpdateRects();
 391
 392     if ( m_parent )
 393         m_parent->RemoveChild( this );
 394
 395     // If m_drawingArea, we're a fully-fledged window with drawing area,
 396     // scrollbars etc. (what wxCanvas used to be)
 397     if ( m_drawingArea )
 398     {
 399         // Destroy children before destroying self
 400         DestroyChildren();
 401
 402         if (m_backingPixmap)
 403             XFreePixmap (XtDisplay ((Widget) GetMainWidget()), (Pixmap) m_backingPixmap);
 404
 405         Widget w = (Widget) m_drawingArea;
 406         wxDeleteWindowFromTable(w);
 407
 408         if (w)
 409         {
 410             XtDestroyWidget(w);
 411             m_drawingArea = (WXWidget) 0;
 412         }
 413
 414         // Only if we're _really_ a canvas (not a dialog box/panel)
 415         if (m_scrolledWindow)
 416         {
 417             wxDeleteWindowFromTable((Widget) m_scrolledWindow);
 418         }
 419
 420         if (m_hScrollBar)
 421         {
 422             wxDeleteWindowFromTable((Widget) m_hScrollBar);
 423             XtUnmanageChild((Widget) m_hScrollBar);
 424         }
 425         if (m_vScrollBar)
 426         {
 427             wxDeleteWindowFromTable((Widget) m_vScrollBar);
 428             XtUnmanageChild((Widget) m_vScrollBar);
 429         }
 430
 431         if (m_hScrollBar)
 432             XtDestroyWidget((Widget) m_hScrollBar);
 433         if (m_vScrollBar)
 434             XtDestroyWidget((Widget) m_vScrollBar);
 435
 436         UnmanageAndDestroy(m_scrolledWindow);
 437
 438         if (m_borderWidget)
 439         {
 440             XtDestroyWidget ((Widget) m_borderWidget);
 441             m_borderWidget = (WXWidget) 0;
 442         }
 443     }
 444
 445     // Destroy the window
 446     if (GetMainWidget())
 447     {
 448         // If this line (XtDestroyWidget) causes a crash, you may comment it out.
 449         // Child widgets will get destroyed automatically when a frame
 450         // or dialog is destroyed, but before that you may get some memory
 451         // leaks and potential layout problems if you delete and then add
 452         // child windows.
 453
 454         // GRG, Feb/2000: commented this out when adding support for
 455         //   wxSCROLL[WIN]_THUMBRELEASE events. Also it was reported
 456         //   that this call crashed wxMotif under OS/2, so it seems
 457         //   that leaving it out is the right thing to do.
 458         // SN, Feb/2000: newgrid/griddemo shows why it is needed :-(
 459         XtDestroyWidget((Widget) GetMainWidget());
 460         SetMainWidget((WXWidget) NULL);
 461     }
 462 }
 463
 464 // ----------------------------------------------------------------------------
 465 // scrollbar management
 466 // ----------------------------------------------------------------------------
 467
 468 // Helper function
 469 void wxWindow::CreateScrollbar(wxOrientation orientation)
 470 {
 471     wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
 472
 473     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
 474
 475     // Add scrollbars if required
 476     if (orientation == wxHORIZONTAL)
 477     {
 478         Widget hScrollBar = XtVaCreateManagedWidget ("hsb",
 479             xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
 480             XmNorientation, XmHORIZONTAL,
 481             NULL);
 482         XtAddCallback (hScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 483         XtAddCallback (hScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 484         XtAddCallback (hScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 485         XtAddCallback (hScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 486         XtAddCallback (hScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 487         XtAddCallback (hScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 488         XtAddCallback (hScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 489         XtAddCallback (hScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 490
 491         XtVaSetValues (hScrollBar,
 492             XmNincrement, 1,
 493             XmNvalue, 0,
 494             NULL);
 495
 496         m_hScrollBar = (WXWidget) hScrollBar;
 497
 498         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 499         DoChangeBackgroundColour(m_hScrollBar, backgroundColour, TRUE);
 500
 501         XtRealizeWidget(hScrollBar);
 502
 503         XtVaSetValues((Widget) m_scrolledWindow,
 504             XmNhorizontalScrollBar, (Widget) m_hScrollBar,
 505             NULL);
 506
 507         m_hScroll = TRUE;
 508
 509         wxAddWindowToTable( hScrollBar, this );
 510     }
 511
 512     if (orientation == wxVERTICAL)
 513     {
 514         Widget vScrollBar = XtVaCreateManagedWidget ("vsb",
 515             xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
 516             XmNorientation, XmVERTICAL,
 517             NULL);
 518         XtAddCallback (vScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 519         XtAddCallback (vScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 520         XtAddCallback (vScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 521         XtAddCallback (vScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 522         XtAddCallback (vScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 523         XtAddCallback (vScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 524         XtAddCallback (vScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 525         XtAddCallback (vScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 526
 527         XtVaSetValues (vScrollBar,
 528             XmNincrement, 1,
 529             XmNvalue, 0,
 530             NULL);
 531
 532         m_vScrollBar = (WXWidget) vScrollBar;
 533         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 534         DoChangeBackgroundColour(m_vScrollBar, backgroundColour, TRUE);
 535
 536         XtRealizeWidget(vScrollBar);
 537
 538         XtVaSetValues((Widget) m_scrolledWindow,
 539             XmNverticalScrollBar, (Widget) m_vScrollBar,
 540             NULL);
 541
 542         m_vScroll = TRUE;
 543
 544         wxAddWindowToTable( vScrollBar, this );
 545     }
 546
 547     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
 548 }
 549
 550 void wxWindow::DestroyScrollbar(wxOrientation orientation)
 551 {
 552     wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
 553
 554     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
 555     // Add scrollbars if required
 556     if (orientation == wxHORIZONTAL)
 557     {
 558         if (m_hScrollBar)
 559         {
 560             wxDeleteWindowFromTable((Widget)m_hScrollBar);
 561             XtDestroyWidget((Widget) m_hScrollBar);
 562         }
 563         m_hScrollBar = (WXWidget) 0;
 564         m_hScroll = FALSE;
 565
 566         XtVaSetValues((Widget) m_scrolledWindow,
 567             XmNhorizontalScrollBar, (Widget) 0,
 568             NULL);
 569
 570     }
 571
 572     if (orientation == wxVERTICAL)
 573     {
 574         if (m_vScrollBar)
 575         {
 576             wxDeleteWindowFromTable((Widget)m_vScrollBar);
 577             XtDestroyWidget((Widget) m_vScrollBar);
 578         }
 579         m_vScrollBar = (WXWidget) 0;
 580         m_vScroll = FALSE;
 581
 582         XtVaSetValues((Widget) m_scrolledWindow,
 583             XmNverticalScrollBar, (Widget) 0,
 584             NULL);
 585
 586     }
 587     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
 588 }
 589
 590 // ---------------------------------------------------------------------------
 591 // basic operations
 592 // ---------------------------------------------------------------------------
 593
 594 void wxWindow::SetFocus()
 595 {
 596     Widget wMain = (Widget) GetMainWidget();
 597     XmProcessTraversal(wMain, XmTRAVERSE_CURRENT);
 598     XmProcessTraversal((Widget) GetMainWidget(), XmTRAVERSE_CURRENT);
 599 }
 600
 601 // Get the window with the focus
 602 wxWindow *wxWindowBase::FindFocus()
 603 {
 604     // TODO Problems:
 605     // (1) Can there be multiple focussed widgets in an application?
 606     // In which case we need to find the top-level window that's
 607     // currently active.
 608     // (2) The widget with the focus may not be in the widget table
 609     // depending on which widgets I put in the table
 610     wxWindow *winFocus = (wxWindow *)NULL;
 611     for ( wxWindowList::Node *node = wxTopLevelWindows.GetFirst();
 612           node;
 613           node = node->GetNext() )
 614     {
 615         wxWindow *win = node->GetData();
 616
 617         Widget w = XmGetFocusWidget ((Widget) win->GetTopWidget());
 618
 619         if (w != (Widget) NULL)
 620         {
 621             winFocus = wxGetWindowFromTable(w);
 622             if ( winFocus )
 623                 break;
 624         }
 625     }
 626
 627     return winFocus;
 628 }
 629
 630 bool wxWindow::Enable(bool enable)
 631 {
 632     if ( !wxWindowBase::Enable(enable) )
 633         return FALSE;
 634
 635     Widget wMain = (Widget)GetMainWidget();
 636     if ( wMain )
 637     {
 638         XtSetSensitive(wMain, enable);
 639         XmUpdateDisplay(wMain);
 640     }
 641
 642     return TRUE;
 643 }
 644
 645 bool wxWindow::Show(bool show)
 646 {
 647     if ( !wxWindowBase::Show(show) )
 648         return FALSE;
 649
 650     if (m_borderWidget || m_scrolledWindow)
 651     {
 652         MapOrUnmap(m_drawingArea, show);
 653         MapOrUnmap(m_borderWidget ? m_borderWidget : m_scrolledWindow, show);
 654     }
 655     else
 656     {
 657         if ( !MapOrUnmap(GetTopWidget(), show) )
 658             MapOrUnmap(GetMainWidget(), show);
 659     }
 660
 661 #if 0
 662     Window xwin = (Window) GetXWindow();
 663     Display *xdisp = (Display*) GetXDisplay();
 664     if (show)
 665         XMapWindow(xdisp, xwin);
 666     else
 667         XUnmapWindow(xdisp, xwin);
 668 #endif
 669
 670     return TRUE;
 671 }
 672
 673 // Raise the window to the top of the Z order
 674 void wxWindow::Raise()
 675 {
 676     Widget wTop = (Widget) GetTopWidget();
 677     Window window = XtWindow(wTop);
 678     XRaiseWindow(XtDisplay(wTop), window);
 679 }
 680
 681 // Lower the window to the bottom of the Z order
 682 void wxWindow::Lower()
 683 {
 684     Widget wTop = (Widget) GetTopWidget();
 685     Window window = XtWindow(wTop);
 686     XLowerWindow(XtDisplay(wTop), window);
 687 }
 688
 689 void wxWindow::SetTitle(const wxString& title)
 690 {
 691     XtVaSetValues((Widget)GetMainWidget(), XmNtitle, title.c_str(), NULL);
 692 }
 693
 694 wxString wxWindow::GetTitle() const
 695 {
 696     char *title;
 697     XtVaGetValues((Widget)GetMainWidget(), XmNtitle, &title, NULL);
 698
 699     return wxString(title);
 700 }
 701
 702 void wxWindow::CaptureMouse()
 703 {
 704     if ( m_winCaptured )
 705         return;
 706
 707     Widget wMain = (Widget)GetMainWidget();
 708     if ( wMain )
 709         XtAddGrab(wMain, TRUE, FALSE);
 710
 711     m_winCaptured = TRUE;
 712 }
 713
 714 void wxWindow::ReleaseMouse()
 715 {
 716     if ( !m_winCaptured )
 717         return;
 718
 719     Widget wMain = (Widget)GetMainWidget();
 720     if ( wMain )
 721         XtRemoveGrab(wMain);
 722
 723     m_winCaptured = FALSE;
 724 }
 725
 726 bool wxWindow::SetFont(const wxFont& font)
 727 {
 728     if ( !wxWindowBase::SetFont(font) )
 729     {
 730         // nothing to do
 731         return FALSE;
 732     }
 733
 734     ChangeFont();
 735
 736     return TRUE;
 737 }
 738
 739 bool wxWindow::SetCursor(const wxCursor& cursor)
 740 {
 741     if ( !wxWindowBase::SetCursor(cursor) )
 742     {
 743         // no change
 744         return FALSE;
 745     }
 746
 747     wxASSERT_MSG( m_cursor.Ok(),
 748                   wxT("cursor must be valid after call to the base version"));
 749
 750     WXDisplay *dpy = GetXDisplay();
 751     WXCursor x_cursor = m_cursor.GetXCursor(dpy);
 752
 753     Widget w = (Widget) GetMainWidget();
 754     Window win = XtWindow(w);
 755     XDefineCursor((Display*) dpy, win, (Cursor) x_cursor);
 756
 757     return TRUE;
 758 }
 759
 760 // Coordinates relative to the window
 761 void wxWindow::WarpPointer (int x, int y)
 762 {
 763     Widget wClient = (Widget)GetClientWidget();
 764
 765     XWarpPointer(XtDisplay(wClient), None, XtWindow(wClient), 0, 0, 0, 0, x, y);
 766 }
 767
 768 // ---------------------------------------------------------------------------
 769 // scrolling stuff
 770 // ---------------------------------------------------------------------------
 771
 772 int wxWindow::GetScrollPos(int orient) const
 773 {
 774     if (orient == wxHORIZONTAL)
 775         return m_scrollPosX;
 776     else
 777         return m_scrollPosY;
 778
 779 #if 0
 780     Widget scrollBar = (Widget) ((orient == wxHORIZONTAL) ? m_hScrollBar : m_vScrollBar);
 781     if (scrollBar)
 782     {
 783         int pos;
 784         XtVaGetValues(scrollBar, XmNvalue, &pos, NULL);
 785         return pos;
 786     }
 787     else
 788         return 0;
 789 #endif // 0
 790 }
 791
 792 // This now returns the whole range, not just the number of positions that we
 793 // can scroll.
 794 int wxWindow::GetScrollRange(int orient) const
 795 {
 796     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 797     wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
 798
 799     int range;
 800     XtVaGetValues(scrollBar, XmNmaximum, &range, NULL);
 801     return range;
 802 }
 803
 804 int wxWindow::GetScrollThumb(int orient) const
 805 {
 806     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 807     wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
 808
 809     int thumb;
 810     XtVaGetValues(scrollBar, XmNsliderSize, &thumb, NULL);
 811     return thumb;
 812 }
 813
 814 void wxWindow::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh))
 815 {
 816     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 817
 818     if ( scrollBar )
 819     {
 820         XtVaSetValues (scrollBar, XmNvalue, pos, NULL);
 821     }
 822
 823     SetInternalScrollPos((wxOrientation)orient, pos);
 824 }
 825
 826 // New function that will replace some of the above.
 827 void wxWindow::SetScrollbar(int orient, int pos, int thumbVisible,
 828                             int range, bool WXUNUSED(refresh))
 829 {
 830     int oldW, oldH;
 831     GetSize(& oldW, & oldH);
 832
 833     if (range == 0)
 834         range = 1;
 835     if (thumbVisible == 0)
 836         thumbVisible = 1;
 837
 838     if (thumbVisible > range)
 839         thumbVisible = range;
 840
 841     // Save the old state to see if it changed
 842     WXWidget oldScrollBar = GetScrollbar((wxOrientation)orient);
 843
 844     if (orient == wxHORIZONTAL)
 845     {
 846         if (thumbVisible == range)
 847         {
 848             if (m_hScrollBar)
 849                 DestroyScrollbar(wxHORIZONTAL);
 850         }
 851         else
 852         {
 853             if (!m_hScrollBar)
 854                 CreateScrollbar(wxHORIZONTAL);
 855         }
 856     }
 857     if (orient == wxVERTICAL)
 858     {
 859         if (thumbVisible == range)
 860         {
 861             if (m_vScrollBar)
 862                 DestroyScrollbar(wxVERTICAL);
 863         }
 864         else
 865         {
 866             if (!m_vScrollBar)
 867                 CreateScrollbar(wxVERTICAL);
 868         }
 869     }
 870     WXWidget newScrollBar =  GetScrollbar((wxOrientation)orient);
 871
 872     if (oldScrollBar != newScrollBar)
 873     {
 874         // This is important! Without it, scrollbars misbehave badly.
 875         XtUnrealizeWidget((Widget) m_scrolledWindow);
 876         XmScrolledWindowSetAreas ((Widget) m_scrolledWindow, (Widget) m_hScrollBar, (Widget) m_vScrollBar, (Widget) m_drawingArea);
 877         XtRealizeWidget((Widget) m_scrolledWindow);
 878         XtManageChild((Widget) m_scrolledWindow);
 879     }
 880
 881     if (newScrollBar)
 882     {
 883         XtVaSetValues((Widget) newScrollBar,
 884         XmNvalue, pos,
 885         XmNminimum, 0,
 886         XmNmaximum, range,
 887         XmNsliderSize, thumbVisible,
 888         NULL);
 889     }
 890
 891     SetInternalScrollPos((wxOrientation)orient, pos);
 892
 893     int newW, newH;
 894     GetSize(& newW, & newH);
 895
 896     // Adjusting scrollbars can resize the canvas accidentally
 897     if (newW != oldW || newH != oldH)
 898         SetSize(-1, -1, oldW, oldH);
 899 }
 900
 901 // Does a physical scroll
 902 void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
 903 {
 904     int x, y, w, h;
 905     if (rect)
 906     {
 907         // Use specified rectangle
 908         x = rect->x; y = rect->y; w = rect->width; h = rect->height;
 909     }
 910     else
 911     {
 912         // Use whole client area
 913         x = 0; y = 0;
 914         GetClientSize(& w, & h);
 915     }
 916
 917     wxNode *cnode = m_children.First();
 918     while (cnode)
 919     {
 920         wxWindow *child = (wxWindow*) cnode->Data();
 921         int sx = 0;
 922         int sy = 0;
 923         child->GetSize( &sx, &sy );
 924         wxPoint pos( child->GetPosition() );
 925         child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
 926         cnode = cnode->Next();
 927     }
 928
 929     int x1 = (dx >= 0) ? x : x - dx;
 930     int y1 = (dy >= 0) ? y : y - dy;
 931     int w1 = w - abs(dx);
 932     int h1 = h - abs(dy);
 933     int x2 = (dx >= 0) ? x + dx : x;
 934     int y2 = (dy >= 0) ? y + dy : y;
 935
 936     wxClientDC dc(this);
 937
 938     dc.SetLogicalFunction (wxCOPY);
 939
 940     Widget widget = (Widget) GetMainWidget();
 941     Window window = XtWindow(widget);
 942     Display* display = XtDisplay(widget);
 943
 944     XCopyArea(display, window, window, (GC) dc.GetGC(),
 945               x1, y1, w1, h1, x2, y2);
 946
 947     dc.SetAutoSetting(TRUE);
 948     wxBrush brush(GetBackgroundColour(), wxSOLID);
 949     dc.SetBrush(brush); // FIXME: needed?
 950
 951     // We'll add rectangles to the list of update rectangles according to which
 952     // bits we've exposed.
 953     wxList updateRects;
 954
 955     if (dx > 0)
 956     {
 957         wxRect *rect = new wxRect;
 958         rect->x = x;
 959         rect->y = y;
 960         rect->width = dx;
 961         rect->height = h;
 962
 963         XFillRectangle(display, window,
 964             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 965
 966         rect->x = rect->x;
 967         rect->y = rect->y;
 968         rect->width = rect->width;
 969         rect->height = rect->height;
 970
 971         updateRects.Append((wxObject*) rect);
 972     }
 973     else if (dx < 0)
 974     {
 975         wxRect *rect = new wxRect;
 976
 977         rect->x = x + w + dx;
 978         rect->y = y;
 979         rect->width = -dx;
 980         rect->height = h;
 981
 982         XFillRectangle(display, window,
 983             (GC) dc.GetGC(), rect->x, rect->y, rect->width,
 984             rect->height);
 985
 986         rect->x = rect->x;
 987         rect->y = rect->y;
 988         rect->width = rect->width;
 989         rect->height = rect->height;
 990
 991         updateRects.Append((wxObject*) rect);
 992     }
 993     if (dy > 0)
 994     {
 995         wxRect *rect = new wxRect;
 996
 997         rect->x = x;
 998         rect->y = y;
 999         rect->width = w;
1000         rect->height = dy;
1001
1002         XFillRectangle(display, window,
1003             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
1004
1005         rect->x = rect->x;
1006         rect->y = rect->y;
1007         rect->width = rect->width;
1008         rect->height = rect->height;
1009
1010         updateRects.Append((wxObject*) rect);
1011     }
1012     else if (dy < 0)
1013     {
1014         wxRect *rect = new wxRect;
1015
1016         rect->x = x;
1017         rect->y = y + h + dy;
1018         rect->width = w;
1019         rect->height = -dy;
1020
1021         XFillRectangle(display, window,
1022             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
1023
1024         rect->x = rect->x;
1025         rect->y = rect->y;
1026         rect->width = rect->width;
1027         rect->height = rect->height;
1028
1029         updateRects.Append((wxObject*) rect);
1030     }
1031     dc.SetBrush(wxNullBrush);
1032
1033     // Now send expose events
1034
1035     wxNode* node = updateRects.First();
1036     while (node)
1037     {
1038         wxRect* rect = (wxRect*) node->Data();
1039         XExposeEvent event;
1040
1041         event.type = Expose;
1042         event.display = display;
1043         event.send_event = True;
1044         event.window = window;
1045
1046         event.x = rect->x;
1047         event.y = rect->y;
1048         event.width = rect->width;
1049         event.height = rect->height;
1050
1051         event.count = 0;
1052
1053         XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
1054
1055         node = node->Next();
1056
1057     }
1058
1059     // Delete the update rects
1060     node = updateRects.First();
1061     while (node)
1062     {
1063         wxRect* rect = (wxRect*) node->Data();
1064         delete rect;
1065         node = node->Next();
1066     }
1067
1068     XmUpdateDisplay((Widget) GetMainWidget());
1069 }
1070
1071 // ---------------------------------------------------------------------------
1072 // drag and drop
1073 // ---------------------------------------------------------------------------
1074
1075 #if wxUSE_DRAG_AND_DROP
1076
1077 void wxWindow::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
1078 {
1079     // TODO
1080 }
1081
1082 #endif
1083
1084 // Old style file-manager drag&drop
1085 void wxWindow::DragAcceptFiles(bool WXUNUSED(accept))
1086 {
1087     // TODO
1088 }
1089
1090 // ----------------------------------------------------------------------------
1091 // tooltips
1092 // ----------------------------------------------------------------------------
1093
1094 #if wxUSE_TOOLTIPS
1095
1096 void wxWindow::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
1097 {
1098     // TODO
1099 }
1100
1101 #endif // wxUSE_TOOLTIPS
1102
1103 // ----------------------------------------------------------------------------
1104 // popup menus
1105 // ----------------------------------------------------------------------------
1106
1107 bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
1108 {
1109     Widget widget = (Widget) GetMainWidget();
1110
1111     /* The menuId field seems to be usused, so we'll use it to
1112     indicate whether a menu is popped up or not:
1113     0: Not currently created as a popup
1114     -1: Created as a popup, but not active
1115     1: Active popup.
1116     */
1117
1118     if (menu->GetParent() && (menu->GetId() != -1))
1119         return FALSE;
1120
1121     if (menu->GetMainWidget()) {
1122         menu->DestroyMenu(TRUE);
1123     }
1124
1125     menu->SetId(1); /* Mark as popped-up */
1126     menu->CreateMenu(NULL, widget, menu);
1127     menu->SetInvokingWindow(this);
1128
1129     menu->UpdateUI();
1130
1131     //  menu->SetParent(parent);
1132     //  parent->children->Append(menu);  // Store menu for later deletion
1133
1134     Widget menuWidget = (Widget) menu->GetMainWidget();
1135
1136     int rootX = 0;
1137     int rootY = 0;
1138
1139     int deviceX = x;
1140     int deviceY = y;
1141     /*
1142     if (this->IsKindOf(CLASSINFO(wxCanvas)))
1143     {
1144     wxCanvas *canvas = (wxCanvas *) this;
1145     deviceX = canvas->GetDC ()->LogicalToDeviceX (x);
1146     deviceY = canvas->GetDC ()->LogicalToDeviceY (y);
1147     }
1148     */
1149
1150     Display *display = XtDisplay (widget);
1151     Window rootWindow = RootWindowOfScreen (XtScreen((Widget)widget));
1152     Window thisWindow = XtWindow (widget);
1153     Window childWindow;
1154     XTranslateCoordinates (display, thisWindow, rootWindow, (int) deviceX, (int) deviceY,
1155         &rootX, &rootY, &childWindow);
1156
1157     XButtonPressedEvent event;
1158     event.type = ButtonPress;
1159     event.button = 1;
1160
1161     event.x = deviceX;
1162     event.y = deviceY;
1163
1164     event.x_root = rootX;
1165     event.y_root = rootY;
1166
1167     XmMenuPosition (menuWidget, &event);
1168     XtManageChild (menuWidget);
1169
1170     return TRUE;
1171 }
1172
1173 // ---------------------------------------------------------------------------
1174 // moving and resizing
1175 // ---------------------------------------------------------------------------
1176
1177 bool wxWindow::PreResize()
1178 {
1179     return TRUE;
1180 }
1181
1182 // Get total size
1183 void wxWindow::DoGetSize(int *x, int *y) const
1184 {
1185     if (m_drawingArea)
1186     {
1187         CanvasGetSize(x, y);
1188         return;
1189     }
1190
1191     Widget widget = (Widget) GetTopWidget();
1192     Dimension xx, yy;
1193     XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1194     *x = xx; *y = yy;
1195 }
1196
1197 void wxWindow::DoGetPosition(int *x, int *y) const
1198 {
1199     if (m_drawingArea)
1200     {
1201         CanvasGetPosition(x, y);
1202         return;
1203     }
1204     Widget widget = (Widget) GetTopWidget();
1205     Position xx, yy;
1206     XtVaGetValues(widget, XmNx, &xx, XmNy, &yy, NULL);
1207
1208     // We may be faking the client origin. So a window that's really at (0, 30)
1209     // may appear (to wxWin apps) to be at (0, 0).
1210     if (GetParent())
1211     {
1212         wxPoint pt(GetParent()->GetClientAreaOrigin());
1213         xx -= pt.x;
1214         yy -= pt.y;
1215     }
1216
1217     *x = xx; *y = yy;
1218 }
1219
1220 void wxWindow::DoScreenToClient(int *x, int *y) const
1221 {
1222     Widget widget = (Widget) GetClientWidget();
1223     Display *display = XtDisplay((Widget) GetMainWidget());
1224     Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1225     Window thisWindow = XtWindow(widget);
1226
1227     Window childWindow;
1228     int xx = *x;
1229     int yy = *y;
1230     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
1231 }
1232
1233 void wxWindow::DoClientToScreen(int *x, int *y) const
1234 {
1235     Widget widget = (Widget) GetClientWidget();
1236     Display *display = XtDisplay(widget);
1237     Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1238     Window thisWindow = XtWindow(widget);
1239
1240     Window childWindow;
1241     int xx = *x;
1242     int yy = *y;
1243     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
1244 }
1245
1246
1247 // Get size *available for subwindows* i.e. excluding menu bar etc.
1248 void wxWindow::DoGetClientSize(int *x, int *y) const
1249 {
1250     Widget widget = (Widget) GetClientWidget();
1251     Dimension xx, yy;
1252     XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1253     *x = xx; *y = yy;
1254 }
1255
1256 void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1257 {
1258     // A bit of optimization to help sort out the flickers.
1259     int oldX, oldY, oldW, oldH;
1260     GetSize(& oldW, & oldH);
1261     GetPosition(& oldX, & oldY);
1262
1263     if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1264     {
1265         if ( x == -1 )
1266             x = oldX;
1267         if ( y == -1 )
1268             y = oldY;
1269     }
1270
1271     if ( width == -1 )
1272         width = oldW;
1273     if ( height == -1 )
1274         height = oldH;
1275
1276     bool nothingChanged = (x == oldX) && (y == oldY) &&
1277                           (width == oldW) && (height == oldH);
1278
1279     if (!wxNoOptimize::CanOptimize())
1280     {
1281         nothingChanged = FALSE;
1282     }
1283
1284     if ( !nothingChanged )
1285     {
1286         if (m_drawingArea)
1287         {
1288             CanvasSetSize(x, y, width, height, sizeFlags);
1289             return;
1290         }
1291
1292         Widget widget = (Widget) GetTopWidget();
1293         if (!widget)
1294             return;
1295
1296         bool managed = XtIsManaged( widget );
1297         if (managed)
1298             XtUnmanageChild(widget);
1299
1300         int xx = x;
1301         int yy = y;
1302         AdjustForParentClientOrigin(xx, yy, sizeFlags);
1303
1304         DoMoveWindow(xx, yy, width, height);
1305
1306         if (managed)
1307             XtManageChild(widget);
1308
1309         // How about this bit. Maybe we don't need to generate size events
1310         // all the time -- they'll be generated when the window is sized anyway.
1311 #if 0
1312         wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1313         sizeEvent.SetEventObject(this);
1314
1315         GetEventHandler()->ProcessEvent(sizeEvent);
1316 #endif // 0
1317     }
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 void wxWindow::DoMoveWindow(int x, int y, int width, int height)
1390 {
1391     XtVaSetValues((Widget)GetTopWidget(),
1392                   XmNx, x,
1393                   XmNy, y,
1394                   XmNwidth, width,
1395                   XmNheight, height,
1396                   NULL);
1397 }
1398
1399 // ---------------------------------------------------------------------------
1400 // text metrics
1401 // ---------------------------------------------------------------------------
1402
1403 int wxWindow::GetCharHeight() const
1404 {
1405     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1406
1407     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1408
1409     int direction, ascent, descent;
1410     XCharStruct overall;
1411     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1412         &descent, &overall);
1413
1414     //  return (overall.ascent + overall.descent);
1415     return (ascent + descent);
1416 }
1417
1418 int wxWindow::GetCharWidth() const
1419 {
1420     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1421
1422     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1423
1424     int direction, ascent, descent;
1425     XCharStruct overall;
1426     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1427         &descent, &overall);
1428
1429     return overall.width;
1430 }
1431
1432 void wxWindow::GetTextExtent(const wxString& string,
1433                              int *x, int *y,
1434                              int *descent, int *externalLeading,
1435                              const wxFont *theFont) const
1436 {
1437     wxFont *fontToUse = (wxFont *)theFont;
1438     if (!fontToUse)
1439         fontToUse = (wxFont *) & m_font;
1440
1441     wxCHECK_RET( fontToUse->Ok(), "valid window font needed" );
1442
1443     WXFontStructPtr pFontStruct = theFont->GetFontStruct(1.0, GetXDisplay());
1444
1445     int direction, ascent, descent2;
1446     XCharStruct overall;
1447     int slen = string.Len();
1448
1449 #if 0
1450     if (use16)
1451         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
1452         &ascent, &descent2, &overall);
1453 #endif
1454
1455     XTextExtents((XFontStruct*) pFontStruct, string, slen,
1456                  &direction, &ascent, &descent2, &overall);
1457
1458     if ( x )
1459         *x = (overall.width);
1460     if ( y )
1461         *y = (ascent + descent2);
1462     if (descent)
1463         *descent = descent2;
1464     if (externalLeading)
1465         *externalLeading = 0;
1466
1467 }
1468
1469 // ----------------------------------------------------------------------------
1470 // painting
1471 // ----------------------------------------------------------------------------
1472
1473 void wxWindow::Refresh(bool eraseBack, const wxRect *rect)
1474 {
1475     m_needsRefresh = TRUE;
1476     Display *display = XtDisplay((Widget) GetMainWidget());
1477     Window thisWindow = XtWindow((Widget) GetMainWidget());
1478
1479     XExposeEvent dummyEvent;
1480     int width, height;
1481     GetSize(&width, &height);
1482
1483     dummyEvent.type = Expose;
1484     dummyEvent.display = display;
1485     dummyEvent.send_event = True;
1486     dummyEvent.window = thisWindow;
1487     if (rect)
1488     {
1489         dummyEvent.x = rect->x;
1490         dummyEvent.y = rect->y;
1491         dummyEvent.width = rect->width;
1492         dummyEvent.height = rect->height;
1493     }
1494     else
1495     {
1496         dummyEvent.x = 0;
1497         dummyEvent.y = 0;
1498         dummyEvent.width = width;
1499         dummyEvent.height = height;
1500     }
1501     dummyEvent.count = 0;
1502
1503     if (eraseBack)
1504     {
1505         wxClientDC dc(this);
1506         wxBrush backgroundBrush(GetBackgroundColour(), wxSOLID);
1507         dc.SetBackground(backgroundBrush);
1508         if (rect)
1509             dc.Clear(*rect);
1510         else
1511             dc.Clear();
1512     }
1513
1514     XSendEvent(display, thisWindow, False, ExposureMask, (XEvent *)&dummyEvent);
1515 }
1516
1517 void wxWindow::Clear()
1518 {
1519     wxClientDC dc(this);
1520     wxBrush brush(GetBackgroundColour(), wxSOLID);
1521     dc.SetBackground(brush);
1522     dc.Clear();
1523 }
1524
1525 void wxWindow::ClearUpdateRects()
1526 {
1527     wxRectList::Node* node = m_updateRects.GetFirst();
1528     while (node)
1529     {
1530         wxRect* rect = node->GetData();
1531         delete rect;
1532         node = node->GetNext();
1533     }
1534
1535     m_updateRects.Clear();
1536 }
1537
1538 void wxWindow::DoPaint()
1539 {
1540     //TODO : make a temporary gc so we can do the XCopyArea below
1541     if (m_backingPixmap && !m_needsRefresh)
1542     {
1543       wxPaintDC dc(this);
1544
1545       GC tempGC = (GC) dc.GetBackingGC();
1546
1547       Widget widget = (Widget) GetMainWidget();
1548
1549       int scrollPosX = 0;
1550       int scrollPosY = 0;
1551
1552       // We have to test whether it's a wxScrolledWindow (hack!) because
1553       // otherwise we don't know how many pixels have been scrolled. We might
1554       // solve this in the future by defining virtual wxWindow functions to get
1555       // the scroll position in pixels. Or, each kind of scrolled window has to
1556       // implement backing stores itself, using generic wxWindows code.
1557       wxScrolledWindow* scrolledWindow = wxDynamicCast(this, wxScrolledWindow);
1558       if ( scrolledWindow )
1559       {
1560           int x, y;
1561           scrolledWindow->CalcScrolledPosition(0, 0, &x, &y);
1562
1563           scrollPosX = - x;
1564           scrollPosY = - y;
1565       }
1566
1567       // TODO: This could be optimized further by only copying the areas in the
1568       //       current update region.
1569
1570       // Only blit the part visible in the client area. The backing pixmap
1571       // always starts at 0, 0 but we may be looking at only a portion of it.
1572       wxSize clientArea = GetClientSize();
1573       int toBlitX = m_pixmapWidth - scrollPosX;
1574       int toBlitY = m_pixmapHeight - scrollPosY;
1575
1576       // Copy whichever is samller, the amount of pixmap we have to copy,
1577       // or the size of the client area.
1578       toBlitX = wxMin(toBlitX, clientArea.x);
1579       toBlitY = wxMin(toBlitY, clientArea.y);
1580
1581       // Make sure we're not negative
1582       toBlitX = wxMax(0, toBlitX);
1583       toBlitY = wxMax(0, toBlitY);
1584
1585       XCopyArea
1586       (
1587        XtDisplay(widget),
1588        (Pixmap) m_backingPixmap,
1589        XtWindow (widget),
1590        tempGC,
1591        scrollPosX, scrollPosY, // Start at the scroll position
1592        toBlitX, toBlitY,       // How much of the pixmap to copy
1593        0, 0                    // Destination
1594       );
1595     }
1596     else
1597     {
1598         // Set an erase event first
1599         wxEraseEvent eraseEvent(GetId());
1600         eraseEvent.SetEventObject(this);
1601         GetEventHandler()->ProcessEvent(eraseEvent);
1602
1603         wxPaintEvent event(GetId());
1604         event.SetEventObject(this);
1605         GetEventHandler()->ProcessEvent(event);
1606
1607         m_needsRefresh = FALSE;
1608     }
1609 }
1610
1611 // ----------------------------------------------------------------------------
1612 // event handlers
1613 // ----------------------------------------------------------------------------
1614
1615 // Responds to colour changes: passes event on to children.
1616 void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
1617 {
1618     wxWindowList::Node *node = GetChildren().GetFirst();
1619     while ( node )
1620     {
1621         // Only propagate to non-top-level windows
1622         wxWindow *win = node->GetData();
1623         if ( win->GetParent() )
1624         {
1625             wxSysColourChangedEvent event2;
1626             event.m_eventObject = win;
1627             win->GetEventHandler()->ProcessEvent(event2);
1628         }
1629
1630         node = node->GetNext();
1631     }
1632 }
1633
1634 void wxWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
1635 {
1636     // This calls the UI-update mechanism (querying windows for
1637     // menu/toolbar/control state information)
1638     UpdateWindowUI();
1639 }
1640
1641 // ----------------------------------------------------------------------------
1642 // accelerators
1643 // ----------------------------------------------------------------------------
1644
1645 bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
1646 {
1647     if (!m_acceleratorTable.Ok())
1648         return FALSE;
1649
1650     int count = m_acceleratorTable.GetCount();
1651     wxAcceleratorEntry* entries = m_acceleratorTable.GetEntries();
1652     int i;
1653     for (i = 0; i < count; i++)
1654     {
1655         wxAcceleratorEntry* entry = & (entries[i]);
1656         if (entry->MatchesEvent(event))
1657         {
1658             // Bingo, we have a match. Now find a control that matches the entry
1659             // command id.
1660
1661             // Need to go up to the top of the window hierarchy, since it might
1662             // be e.g. a menu item
1663             wxWindow* parent = this;
1664             while ( parent && !parent->IsTopLevel() )
1665                 parent = parent->GetParent();
1666
1667             if (!parent)
1668                 return FALSE;
1669
1670             wxFrame* frame = wxDynamicCast(parent, wxFrame);
1671             if ( frame )
1672             {
1673                 // Try for a menu command
1674                 if (frame->GetMenuBar())
1675                 {
1676                     wxMenuItem* item = frame->GetMenuBar()->FindItem(entry->GetCommand());
1677                     if (item)
1678                     {
1679                         wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, entry->GetCommand());
1680                         commandEvent.SetEventObject(frame);
1681
1682                         // If ProcessEvent returns TRUE (it was handled), then
1683                         // the calling code will skip the event handling.
1684                         return frame->GetEventHandler()->ProcessEvent(commandEvent);
1685                     }
1686                 }
1687             }
1688
1689             // Find a child matching the command id
1690             wxWindow* child = parent->FindWindow(entry->GetCommand());
1691
1692             // No such child
1693             if (!child)
1694                 return FALSE;
1695
1696             // Now we process those kinds of windows that we can.
1697             // For now, only buttons.
1698             if ( wxDynamicCast(child, wxButton) )
1699             {
1700                 wxCommandEvent commandEvent (wxEVT_COMMAND_BUTTON_CLICKED, child->GetId());
1701                 commandEvent.SetEventObject(child);
1702                 return child->GetEventHandler()->ProcessEvent(commandEvent);
1703             }
1704
1705             return FALSE;
1706         } // matches event
1707     }// for
1708
1709     // We didn't match the key event against an accelerator.
1710     return FALSE;
1711 }
1712
1713 // ============================================================================
1714 // Motif-specific stuff from here on
1715 // ============================================================================
1716
1717 // ----------------------------------------------------------------------------
1718 // function which maintain the global hash table mapping Widgets to wxWindows
1719 // ----------------------------------------------------------------------------
1720
1721 bool wxAddWindowToTable(Widget w, wxWindow *win)
1722 {
1723     wxWindow *oldItem = NULL;
1724     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1725     {
1726         wxLogDebug("Widget table clash: new widget is %ld, %s",
1727                    (long)w, win->GetClassInfo()->GetClassName());
1728         return FALSE;
1729     }
1730
1731     wxWidgetHashTable->Put((long) w, win);
1732
1733     wxLogTrace("widget", "Widget 0x%08x <-> window %p (%s)",
1734                w, win, win->GetClassInfo()->GetClassName());
1735
1736     return TRUE;
1737 }
1738
1739 wxWindow *wxGetWindowFromTable(Widget w)
1740 {
1741     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1742 }
1743
1744 void wxDeleteWindowFromTable(Widget w)
1745 {
1746     wxWidgetHashTable->Delete((long)w);
1747 }
1748
1749 // ----------------------------------------------------------------------------
1750 // add/remove window from the table
1751 // ----------------------------------------------------------------------------
1752
1753 // Add to hash table, add event handler
1754 bool wxWindow::AttachWidget (wxWindow* WXUNUSED(parent), WXWidget mainWidget,
1755                              WXWidget formWidget, int x, int y, int width, int height)
1756 {
1757     wxAddWindowToTable((Widget) mainWidget, this);
1758     if (CanAddEventHandler())
1759     {
1760         XtAddEventHandler((Widget) mainWidget,
1761             ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1762             False,
1763             wxPanelItemEventHandler,
1764             (XtPointer) this);
1765     }
1766
1767     if (!formWidget)
1768     {
1769         XtTranslations ptr;
1770         XtOverrideTranslations ((Widget) mainWidget,
1771             ptr = XtParseTranslationTable ("<Configure>: resize()"));
1772         XtFree ((char *) ptr);
1773     }
1774
1775     // Some widgets have a parent form widget, e.g. wxRadioBox
1776     if (formWidget)
1777     {
1778         if (!wxAddWindowToTable((Widget) formWidget, this))
1779             return FALSE;
1780
1781         XtTranslations ptr;
1782         XtOverrideTranslations ((Widget) formWidget,
1783             ptr = XtParseTranslationTable ("<Configure>: resize()"));
1784         XtFree ((char *) ptr);
1785     }
1786
1787     if (x == -1)
1788         x = 0;
1789     if (y == -1)
1790         y = 0;
1791     SetSize (x, y, width, height);
1792
1793     return TRUE;
1794 }
1795
1796 // Remove event handler, remove from hash table
1797 bool wxWindow::DetachWidget(WXWidget widget)
1798 {
1799     if (CanAddEventHandler())
1800     {
1801         XtRemoveEventHandler((Widget) widget,
1802             ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1803             False,
1804             wxPanelItemEventHandler,
1805             (XtPointer)this);
1806     }
1807
1808     wxDeleteWindowFromTable((Widget) widget);
1809     return TRUE;
1810 }
1811
1812 // ----------------------------------------------------------------------------
1813 // Motif-specific accessors
1814 // ----------------------------------------------------------------------------
1815
1816 // Get the underlying X window
1817 WXWindow wxWindow::GetXWindow() const
1818 {
1819     Widget wMain = (Widget)GetMainWidget();
1820     if ( wMain )
1821         return (WXWindow) XtWindow(wMain);
1822     else
1823         return (WXWindow) 0;
1824 }
1825
1826 // Get the underlying X display
1827 WXDisplay *wxWindow::GetXDisplay() const
1828 {
1829     Widget wMain = (Widget)GetMainWidget();
1830     if ( wMain )
1831         return (WXDisplay*) XtDisplay(wMain);
1832     else
1833         return (WXDisplay*) NULL;
1834 }
1835
1836 WXWidget wxWindow::GetMainWidget() const
1837 {
1838     if (m_drawingArea)
1839         return m_drawingArea;
1840     else
1841         return m_mainWidget;
1842 }
1843
1844 WXWidget wxWindow::GetClientWidget() const
1845 {
1846     if (m_drawingArea != (WXWidget) 0)
1847         return m_drawingArea;
1848     else
1849         return GetMainWidget();
1850 }
1851
1852 WXWidget wxWindow::GetTopWidget() const
1853 {
1854     return GetMainWidget();
1855 }
1856
1857 WXWidget wxWindow::GetLabelWidget() const
1858 {
1859     return GetMainWidget();
1860 }
1861
1862 // ----------------------------------------------------------------------------
1863 // Motif callbacks
1864 // ----------------------------------------------------------------------------
1865
1866 // All widgets should have this as their resize proc.
1867 // OnSize sent to wxWindow via client data.
1868 void wxWidgetResizeProc(Widget w, XConfigureEvent *WXUNUSED(event), String WXUNUSED(args)[], int *WXUNUSED(num_args))
1869 {
1870     wxWindow *win = wxGetWindowFromTable(w);
1871     if (!win)
1872         return;
1873
1874     if (win->PreResize())
1875     {
1876         int width, height;
1877         win->GetSize(&width, &height);
1878         wxSizeEvent sizeEvent(wxSize(width, height), win->GetId());
1879         sizeEvent.SetEventObject(win);
1880         win->GetEventHandler()->ProcessEvent(sizeEvent);
1881     }
1882 }
1883
1884 static void wxCanvasRepaintProc(Widget drawingArea,
1885                                 XtPointer clientData,
1886                                 XmDrawingAreaCallbackStruct * cbs)
1887 {
1888     if (!wxGetWindowFromTable(drawingArea))
1889         return;
1890
1891     XEvent * event = cbs->event;
1892     wxWindow * win = (wxWindow *) clientData;
1893
1894     switch (event->type)
1895     {
1896     case Expose:
1897         {
1898             win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
1899                                event->xexpose.width, event->xexpose.height);
1900
1901             if (event -> xexpose.count == 0)
1902             {
1903                 win->DoPaint();
1904                 win->ClearUpdateRects();
1905             }
1906             break;
1907         }
1908     }
1909 }
1910
1911 // Unable to deal with Enter/Leave without a separate EventHandler (Motif 1.1.4)
1912 static void wxCanvasEnterLeave(Widget drawingArea,
1913                                XtPointer WXUNUSED(clientData),
1914                                XCrossingEvent * event)
1915 {
1916     XmDrawingAreaCallbackStruct cbs;
1917     XEvent ev;
1918
1919     ((XCrossingEvent &) ev) = *event;
1920
1921     cbs.reason = XmCR_INPUT;
1922     cbs.event = &ev;
1923
1924     wxCanvasInputEvent(drawingArea, (XtPointer) NULL, &cbs);
1925 }
1926
1927 // Fix to make it work under Motif 1.0 (!)
1928 static void wxCanvasMotionEvent (Widget WXUNUSED(drawingArea), XButtonEvent * WXUNUSED(event))
1929 {
1930 #if XmVersion <= 1000
1931     XmDrawingAreaCallbackStruct cbs;
1932     XEvent ev;
1933
1934     ev = *((XEvent *) event);
1935     cbs.reason = XmCR_INPUT;
1936     cbs.event = &ev;
1937
1938     wxCanvasInputEvent (drawingArea, (XtPointer) NULL, &cbs);
1939 #endif // XmVersion <= 1000
1940 }
1941
1942 static void wxCanvasInputEvent(Widget drawingArea,
1943                                XtPointer WXUNUSED(data),
1944                                XmDrawingAreaCallbackStruct * cbs)
1945 {
1946     wxWindow *canvas = wxGetWindowFromTable(drawingArea);
1947     XEvent local_event;
1948
1949     if (canvas==NULL)
1950         return;
1951
1952     if (cbs->reason != XmCR_INPUT)
1953         return;
1954
1955     local_event = *(cbs->event);    // We must keep a copy!
1956
1957     switch (local_event.xany.type)
1958     {
1959     case EnterNotify:
1960     case LeaveNotify:
1961     case ButtonPress:
1962     case ButtonRelease:
1963     case MotionNotify:
1964         {
1965             // FIXME: most of this mouse event code is more or less
1966             // duplicated in wxTranslateMouseEvent
1967             //
1968             wxEventType eventType = wxEVT_NULL;
1969
1970             if (local_event.xany.type == EnterNotify)
1971             {
1972                 //if (local_event.xcrossing.mode!=NotifyNormal)
1973                 //  return ; // Ignore grab events
1974                 eventType = wxEVT_ENTER_WINDOW;
1975                 //            canvas->GetEventHandler()->OnSetFocus();
1976             }
1977             else if (local_event.xany.type == LeaveNotify)
1978             {
1979                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1980                 //  return ; // Ignore grab events
1981                 eventType = wxEVT_LEAVE_WINDOW;
1982                 //            canvas->GetEventHandler()->OnKillFocus();
1983             }
1984             else if (local_event.xany.type == MotionNotify)
1985             {
1986                 eventType = wxEVT_MOTION;
1987             }
1988
1989             else if (local_event.xany.type == ButtonPress)
1990             {
1991                 if (local_event.xbutton.button == Button1)
1992                 {
1993                     eventType = wxEVT_LEFT_DOWN;
1994                     canvas->SetButton1(TRUE);
1995                 }
1996                 else if (local_event.xbutton.button == Button2)
1997                 {
1998                     eventType = wxEVT_MIDDLE_DOWN;
1999                     canvas->SetButton2(TRUE);
2000                 }
2001                 else if (local_event.xbutton.button == Button3)
2002                 {
2003                     eventType = wxEVT_RIGHT_DOWN;
2004                     canvas->SetButton3(TRUE);
2005                 }
2006             }
2007             else if (local_event.xany.type == ButtonRelease)
2008             {
2009                 if (local_event.xbutton.button == Button1)
2010                 {
2011                     eventType = wxEVT_LEFT_UP;
2012                     canvas->SetButton1(FALSE);
2013                 }
2014                 else if (local_event.xbutton.button == Button2)
2015                 {
2016                     eventType = wxEVT_MIDDLE_UP;
2017                     canvas->SetButton2(FALSE);
2018                 }
2019                 else if (local_event.xbutton.button == Button3)
2020                 {
2021                     eventType = wxEVT_RIGHT_UP;
2022                     canvas->SetButton3(FALSE);
2023                 }
2024             }
2025
2026             wxMouseEvent wxevent (eventType);
2027
2028             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2029                 || (event_left_is_down (&local_event)
2030                 && (eventType != wxEVT_LEFT_UP)));
2031             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2032                 || (event_middle_is_down (&local_event)
2033                 && (eventType != wxEVT_MIDDLE_UP)));
2034             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2035                 || (event_right_is_down (&local_event)
2036                 && (eventType != wxEVT_RIGHT_UP)));
2037
2038             wxevent.m_shiftDown = local_event.xbutton.state & ShiftMask;
2039             wxevent.m_controlDown = local_event.xbutton.state & ControlMask;
2040             wxevent.m_altDown = local_event.xbutton.state & Mod3Mask;
2041             wxevent.m_metaDown = local_event.xbutton.state & Mod1Mask;
2042             wxevent.SetTimestamp(local_event.xbutton.time);
2043
2044            if ( eventType == wxEVT_MOTION )
2045            {
2046                 if (local_event.xmotion.is_hint == NotifyHint)
2047                 {
2048                     Window root, child;
2049                     Display *dpy = XtDisplay (drawingArea);
2050
2051                     XQueryPointer (dpy, XtWindow (drawingArea),
2052                         &root, &child,
2053                         &local_event.xmotion.x_root,
2054                         &local_event.xmotion.y_root,
2055                         &local_event.xmotion.x,
2056                         &local_event.xmotion.y,
2057                         &local_event.xmotion.state);
2058                 }
2059                 else
2060                 {
2061                 }
2062            }
2063
2064             // Now check if we need to translate this event into a double click
2065             if (TRUE) // canvas->doubleClickAllowed)
2066             {
2067                 if (wxevent.ButtonDown())
2068                 {
2069                     long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2070
2071                     // get button and time-stamp
2072                     int button = 0;
2073                     if (wxevent.LeftDown())
2074                         button = 1;
2075                     else if (wxevent.MiddleDown())
2076                         button = 2;
2077                     else if (wxevent.RightDown())
2078                         button = 3;
2079                     long ts = wxevent.GetTimestamp();
2080
2081                     // check, if single or double click
2082                     int buttonLast = canvas->GetLastClickedButton();
2083                     long lastTS = canvas->GetLastClickTime();
2084                     if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2085                     {
2086                         // I have a dclick
2087                         canvas->SetLastClick(0, ts);
2088                         switch ( eventType )
2089                         {
2090                         case wxEVT_LEFT_DOWN:
2091                             wxevent.SetEventType(wxEVT_LEFT_DCLICK);
2092                             break;
2093                         case wxEVT_MIDDLE_DOWN:
2094                             wxevent.SetEventType(wxEVT_MIDDLE_DCLICK);
2095                             break;
2096                         case wxEVT_RIGHT_DOWN:
2097                             wxevent.SetEventType(wxEVT_RIGHT_DCLICK);
2098                             break;
2099
2100                         default :
2101                             break;
2102                         }
2103
2104                     }
2105                     else
2106                     {
2107                         // not fast enough or different button
2108                         canvas->SetLastClick(button, ts);
2109                     }
2110                 }
2111             }
2112
2113             wxevent.SetId(canvas->GetId());
2114             wxevent.SetEventObject(canvas);
2115             wxevent.m_x = local_event.xbutton.x;
2116             wxevent.m_y = local_event.xbutton.y;
2117             canvas->GetEventHandler()->ProcessEvent (wxevent);
2118 #if 0
2119             if (eventType == wxEVT_ENTER_WINDOW ||
2120                     eventType == wxEVT_LEAVE_WINDOW ||
2121                     eventType == wxEVT_MOTION
2122                )
2123                 return;
2124 #endif // 0
2125             break;
2126       }
2127     case KeyPress:
2128         {
2129             KeySym keySym;
2130 #if 0
2131             XComposeStatus compose;
2132             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, &compose);
2133 #endif // 0
2134
2135             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2136             int id = wxCharCodeXToWX (keySym);
2137
2138             wxEventType eventType = wxEVT_CHAR;
2139
2140             wxKeyEvent event (eventType);
2141
2142             if (local_event.xkey.state & ShiftMask)
2143                 event.m_shiftDown = TRUE;
2144             if (local_event.xkey.state & ControlMask)
2145                 event.m_controlDown = TRUE;
2146             if (local_event.xkey.state & Mod3Mask)
2147                 event.m_altDown = TRUE;
2148             if (local_event.xkey.state & Mod1Mask)
2149                 event.m_metaDown = TRUE;
2150             event.SetEventObject(canvas);
2151             event.m_keyCode = id;
2152             event.SetTimestamp(local_event.xkey.time);
2153
2154             if (id > -1)
2155             {
2156                 // Implement wxFrame::OnCharHook by checking ancestor.
2157                 wxWindow *parent = canvas->GetParent();
2158                 while (parent && !parent->IsKindOf(CLASSINFO(wxFrame)))
2159                     parent = parent->GetParent();
2160
2161                 if (parent)
2162                 {
2163                     event.SetEventType(wxEVT_CHAR_HOOK);
2164                     if (parent->GetEventHandler()->ProcessEvent(event))
2165                         return;
2166                 }
2167
2168                 // For simplicity, OnKeyDown is the same as OnChar
2169                 // TODO: filter modifier key presses from OnChar
2170                 event.SetEventType(wxEVT_KEY_DOWN);
2171
2172                 // Only process OnChar if OnKeyDown didn't swallow it
2173                 if (!canvas->GetEventHandler()->ProcessEvent (event))
2174                 {
2175                   event.SetEventType(wxEVT_CHAR);
2176                   canvas->GetEventHandler()->ProcessEvent (event);
2177         }
2178             }
2179             break;
2180         }
2181     case KeyRelease:
2182         {
2183             KeySym keySym;
2184             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2185             int id = wxCharCodeXToWX (keySym);
2186
2187             wxKeyEvent event (wxEVT_KEY_UP);
2188
2189             if (local_event.xkey.state & ShiftMask)
2190                 event.m_shiftDown = TRUE;
2191             if (local_event.xkey.state & ControlMask)
2192                 event.m_controlDown = TRUE;
2193             if (local_event.xkey.state & Mod3Mask)
2194                 event.m_altDown = TRUE;
2195             if (local_event.xkey.state & Mod1Mask)
2196                 event.m_metaDown = TRUE;
2197             event.SetEventObject(canvas);
2198             event.m_keyCode = id;
2199             event.SetTimestamp(local_event.xkey.time);
2200
2201             if (id > -1)
2202             {
2203                 canvas->GetEventHandler()->ProcessEvent (event);
2204             }
2205             break;
2206         }
2207     case FocusIn:
2208         {
2209             if (local_event.xfocus.detail != NotifyPointer)
2210             {
2211                 wxFocusEvent event(wxEVT_SET_FOCUS, canvas->GetId());
2212                 event.SetEventObject(canvas);
2213                 canvas->GetEventHandler()->ProcessEvent(event);
2214             }
2215             break;
2216         }
2217     case FocusOut:
2218         {
2219             if (local_event.xfocus.detail != NotifyPointer)
2220             {
2221                 wxFocusEvent event(wxEVT_KILL_FOCUS, canvas->GetId());
2222                 event.SetEventObject(canvas);
2223                 canvas->GetEventHandler()->ProcessEvent(event);
2224             }
2225             break;
2226         }
2227     default:
2228         break;
2229     }
2230 }
2231
2232 static void wxPanelItemEventHandler(Widget    wid,
2233                                     XtPointer WXUNUSED(client_data),
2234                                     XEvent*   event,
2235                                     Boolean  *continueToDispatch)
2236 {
2237     // Widget can be a label or the actual widget.
2238
2239     wxWindow *window = wxGetWindowFromTable(wid);
2240     if (window)
2241     {
2242         wxMouseEvent wxevent(0);
2243         if (wxTranslateMouseEvent(wxevent, window, wid, event))
2244         {
2245             window->GetEventHandler()->ProcessEvent(wxevent);
2246         }
2247     }
2248
2249     // TODO: probably the key to allowing default behaviour to happen. Say we
2250     // set a m_doDefault flag to FALSE at the start of this function. Then in
2251     // e.g. wxWindow::OnMouseEvent we can call Default() which sets this flag to
2252     // TRUE, indicating that default processing can happen. Thus, behaviour can
2253     // appear to be overridden just by adding an event handler and not calling
2254     // wxWindow::OnWhatever. ALSO, maybe we can use this instead of the current
2255     // way of handling drawing area events, to simplify things.
2256     *continueToDispatch = True;
2257 }
2258
2259 static void wxScrollBarCallback(Widget scrollbar,
2260                                 XtPointer clientData,
2261                                 XmScrollBarCallbackStruct *cbs)
2262 {
2263     wxWindow *win = wxGetWindowFromTable(scrollbar);
2264     int orientation = (int) clientData;
2265
2266     wxEventType eventType = wxEVT_NULL;
2267     switch (cbs->reason)
2268     {
2269     case XmCR_INCREMENT:
2270         {
2271             eventType = wxEVT_SCROLLWIN_LINEDOWN;
2272             break;
2273         }
2274     case XmCR_DECREMENT:
2275         {
2276             eventType = wxEVT_SCROLLWIN_LINEUP;
2277             break;
2278         }
2279     case XmCR_DRAG:
2280         {
2281             eventType = wxEVT_SCROLLWIN_THUMBTRACK;
2282             break;
2283         }
2284     case XmCR_VALUE_CHANGED:
2285         {
2286             eventType = wxEVT_SCROLLWIN_THUMBRELEASE;
2287             break;
2288         }
2289     case XmCR_PAGE_INCREMENT:
2290         {
2291             eventType = wxEVT_SCROLLWIN_PAGEDOWN;
2292             break;
2293         }
2294     case XmCR_PAGE_DECREMENT:
2295         {
2296             eventType = wxEVT_SCROLLWIN_PAGEUP;
2297             break;
2298         }
2299     case XmCR_TO_TOP:
2300         {
2301             eventType = wxEVT_SCROLLWIN_TOP;
2302             break;
2303         }
2304     case XmCR_TO_BOTTOM:
2305         {
2306             eventType = wxEVT_SCROLLWIN_BOTTOM;
2307             break;
2308         }
2309     default:
2310         {
2311             // Should never get here
2312             wxFAIL_MSG("Unknown scroll event.");
2313             break;
2314         }
2315     }
2316
2317     wxScrollWinEvent event(eventType,
2318                            cbs->value,
2319                            ((orientation == XmHORIZONTAL) ?
2320                             wxHORIZONTAL : wxVERTICAL));
2321     event.SetEventObject( win );
2322     win->GetEventHandler()->ProcessEvent(event);
2323 }
2324
2325 // For repainting arbitrary windows
2326 void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event, char *)
2327 {
2328     Window window;
2329     Display *display;
2330
2331     wxWindow* win = wxGetWindowFromTable(w);
2332     if (!win)
2333         return;
2334
2335     switch(event -> type)
2336     {
2337     case Expose:
2338         {
2339             window = (Window) win -> GetXWindow();
2340             display = (Display *) win -> GetXDisplay();
2341
2342             if (event -> xexpose.count == 0)
2343             {
2344                 win->DoPaint();
2345
2346                 win->ClearUpdateRects();
2347             }
2348             else
2349             {
2350                 win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
2351                                    event->xexpose.width, event->xexpose.height);
2352             }
2353
2354             break;
2355         }
2356     }
2357 }
2358
2359 // ----------------------------------------------------------------------------
2360 // CanvaseXXXSize() functions
2361 // ----------------------------------------------------------------------------
2362
2363 // SetSize, but as per old wxCanvas (with drawing widget etc.)
2364 void wxWindow::CanvasSetSize (int x, int y, int w, int h, int sizeFlags)
2365 {
2366     // A bit of optimization to help sort out the flickers.
2367     int oldX, oldY, oldW, oldH;
2368     GetSize(& oldW, & oldH);
2369     GetPosition(& oldX, & oldY);
2370
2371     bool useOldPos = FALSE;
2372     bool useOldSize = FALSE;
2373
2374     if ((x == -1) && (x == -1) && ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0))
2375         useOldPos = TRUE;
2376     else if (x == oldX && y == oldY)
2377         useOldPos = TRUE;
2378
2379     if ((w == -1) && (h == -1))
2380         useOldSize = TRUE;
2381     else if (w == oldW && h == oldH)
2382         useOldSize = TRUE;
2383
2384     if (!wxNoOptimize::CanOptimize())
2385     {
2386         useOldSize = FALSE; useOldPos = FALSE;
2387     }
2388
2389     if (useOldPos && useOldSize)
2390         return;
2391
2392     Widget drawingArea = (Widget) m_drawingArea;
2393     bool managed = XtIsManaged(m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2394
2395     if (managed)
2396         XtUnmanageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2397     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2398
2399     int xx = x; int yy = y;
2400     AdjustForParentClientOrigin(xx, yy, sizeFlags);
2401
2402     if (!useOldPos)
2403     {
2404         if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2405         {
2406             XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2407                 XmNx, xx, NULL);
2408         }
2409
2410         if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2411         {
2412             XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2413                 XmNy, yy, NULL);
2414         }
2415     }
2416
2417     if (!useOldSize)
2418     {
2419
2420         if (w > -1)
2421         {
2422             if (m_borderWidget)
2423             {
2424                 XtVaSetValues ((Widget) m_borderWidget, XmNwidth, w, NULL);
2425                 short thick, margin;
2426                 XtVaGetValues ((Widget) m_borderWidget,
2427                     XmNshadowThickness, &thick,
2428                     XmNmarginWidth, &margin,
2429                     NULL);
2430                 w -= 2 * (thick + margin);
2431             }
2432
2433             XtVaSetValues ((Widget) m_scrolledWindow, XmNwidth, w, NULL);
2434
2435             Dimension spacing;
2436             Widget sbar;
2437             XtVaGetValues ((Widget) m_scrolledWindow,
2438                 XmNspacing, &spacing,
2439                 XmNverticalScrollBar, &sbar,
2440                 NULL);
2441             Dimension wsbar;
2442             if (sbar)
2443                 XtVaGetValues (sbar, XmNwidth, &wsbar, NULL);
2444             else
2445                 wsbar = 0;
2446
2447             w -= (spacing + wsbar);
2448
2449 #if 0
2450             XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2451 #endif // 0
2452         }
2453         if (h > -1)
2454         {
2455             if (m_borderWidget)
2456             {
2457                 XtVaSetValues ((Widget) m_borderWidget, XmNheight, h, NULL);
2458                 short thick, margin;
2459                 XtVaGetValues ((Widget) m_borderWidget,
2460                     XmNshadowThickness, &thick,
2461                     XmNmarginHeight, &margin,
2462                     NULL);
2463                 h -= 2 * (thick + margin);
2464             }
2465
2466             XtVaSetValues ((Widget) m_scrolledWindow, XmNheight, h, NULL);
2467
2468             Dimension spacing;
2469             Widget sbar;
2470             XtVaGetValues ((Widget) m_scrolledWindow,
2471                 XmNspacing, &spacing,
2472                 XmNhorizontalScrollBar, &sbar,
2473                 NULL);
2474             Dimension wsbar;
2475             if (sbar)
2476                 XtVaGetValues (sbar, XmNheight, &wsbar, NULL);
2477             else
2478                 wsbar = 0;
2479
2480             h -= (spacing + wsbar);
2481
2482 #if 0
2483             XtVaSetValues(drawingArea, XmNheight, h, NULL);
2484 #endif // 0
2485         }
2486     }
2487
2488     if (managed)
2489         XtManageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2490     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2491
2492 #if 0
2493     int ww, hh;
2494     GetClientSize (&ww, &hh);
2495     wxSizeEvent sizeEvent(wxSize(ww, hh), GetId());
2496     sizeEvent.SetEventObject(this);
2497
2498     GetEventHandler()->ProcessEvent(sizeEvent);
2499 #endif // 0
2500 }
2501
2502 void wxWindow::CanvasSetClientSize (int w, int h)
2503 {
2504     Widget drawingArea = (Widget) m_drawingArea;
2505
2506     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2507
2508     if (w > -1)
2509         XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2510     if (h > -1)
2511         XtVaSetValues(drawingArea, XmNheight, h, NULL);
2512
2513 #if 0
2514     // TODO: is this necessary?
2515     allowRepainting = FALSE;
2516
2517     XSync (XtDisplay (drawingArea), FALSE);
2518     XEvent event;
2519     while (XtAppPending (wxTheApp->appContext))
2520     {
2521         XFlush (XtDisplay (drawingArea));
2522         XtAppNextEvent (wxTheApp->appContext, &event);
2523         XtDispatchEvent (&event);
2524     }
2525 #endif // 0
2526
2527     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2528
2529 #if 0
2530     allowRepainting = TRUE;
2531     DoRefresh ();
2532
2533     wxSizeEvent sizeEvent(wxSize(w, h), GetId());
2534     sizeEvent.SetEventObject(this);
2535
2536     GetEventHandler()->ProcessEvent(sizeEvent);
2537 #endif // 0
2538 }
2539
2540 void wxWindow::CanvasGetClientSize (int *w, int *h) const
2541 {
2542     // Must return the same thing that was set via SetClientSize
2543     Dimension xx, yy;
2544     XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2545     *w = xx;
2546     *h = yy;
2547 }
2548
2549 void wxWindow::CanvasGetSize (int *w, int *h) const
2550 {
2551     Dimension xx, yy;
2552     if ((Widget) m_borderWidget)
2553         XtVaGetValues ((Widget) m_borderWidget, XmNwidth, &xx, XmNheight, &yy, NULL);
2554     else if ((Widget) m_scrolledWindow)
2555         XtVaGetValues ((Widget) m_scrolledWindow, XmNwidth, &xx, XmNheight, &yy, NULL);
2556     else
2557         XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2558
2559     *w = xx;
2560     *h = yy;
2561 }
2562
2563 void wxWindow::CanvasGetPosition (int *x, int *y) const
2564 {
2565     Position xx, yy;
2566     XtVaGetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow, XmNx, &xx, XmNy, &yy, NULL);
2567
2568     // We may be faking the client origin.
2569     // So a window that's really at (0, 30) may appear
2570     // (to wxWin apps) to be at (0, 0).
2571     if (GetParent())
2572     {
2573         wxPoint pt(GetParent()->GetClientAreaOrigin());
2574         xx -= pt.x;
2575         yy -= pt.y;
2576     }
2577
2578     *x = xx;
2579     *y = yy;
2580 }
2581
2582 // ----------------------------------------------------------------------------
2583 // TranslateXXXEvent() functions
2584 // ----------------------------------------------------------------------------
2585
2586 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent)
2587 {
2588     switch (xevent->xany.type)
2589     {
2590         case EnterNotify:  // never received here - yes ? MB
2591         case LeaveNotify:  // never received here - yes ? MB
2592         case ButtonPress:
2593         case ButtonRelease:
2594         case MotionNotify:
2595         {
2596             wxEventType eventType = wxEVT_NULL;
2597
2598             // FIXME: this is never true I think - MB
2599             //
2600             if (xevent->xany.type == LeaveNotify)
2601             {
2602                 win->SetButton1(FALSE);
2603                 win->SetButton2(FALSE);
2604                 win->SetButton3(FALSE);
2605                 return FALSE;
2606             }
2607             else if (xevent->xany.type == MotionNotify)
2608             {
2609                 eventType = wxEVT_MOTION;
2610             }
2611             else if (xevent->xany.type == ButtonPress)
2612             {
2613                 wxevent.SetTimestamp(xevent->xbutton.time);
2614                 int button = 0;
2615                 if (xevent->xbutton.button == Button1)
2616                 {
2617                     eventType = wxEVT_LEFT_DOWN;
2618                     win->SetButton1(TRUE);
2619                     button = 1;
2620                 }
2621                 else if (xevent->xbutton.button == Button2)
2622                 {
2623                     eventType = wxEVT_MIDDLE_DOWN;
2624                     win->SetButton2(TRUE);
2625                     button = 2;
2626                 }
2627                 else if (xevent->xbutton.button == Button3)
2628                 {
2629                     eventType = wxEVT_RIGHT_DOWN;
2630                     win->SetButton3(TRUE);
2631                     button = 3;
2632                 }
2633
2634                 // check for a double click
2635                 //
2636                 long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2637                 long ts = wxevent.GetTimestamp();
2638
2639                 int buttonLast = win->GetLastClickedButton();
2640                 long lastTS = win->GetLastClickTime();
2641                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2642                 {
2643                     // I have a dclick
2644                     win->SetLastClick(0, ts);
2645                     switch ( eventType )
2646                     {
2647                         case wxEVT_LEFT_DOWN:
2648                             eventType = wxEVT_LEFT_DCLICK;
2649                             break;
2650                         case wxEVT_MIDDLE_DOWN:
2651                             eventType = wxEVT_MIDDLE_DCLICK;
2652                             break;
2653                         case wxEVT_RIGHT_DOWN:
2654                             eventType = wxEVT_RIGHT_DCLICK;
2655                             break;
2656
2657                         default :
2658                             break;
2659                     }
2660
2661                 }
2662                 else
2663                 {
2664                     // not fast enough or different button
2665                     win->SetLastClick(button, ts);
2666                 }
2667             }
2668             else if (xevent->xany.type == ButtonRelease)
2669             {
2670                 if (xevent->xbutton.button == Button1)
2671                 {
2672                     eventType = wxEVT_LEFT_UP;
2673                     win->SetButton1(FALSE);
2674                 }
2675                 else if (xevent->xbutton.button == Button2)
2676                 {
2677                     eventType = wxEVT_MIDDLE_UP;
2678                     win->SetButton2(FALSE);
2679                 }
2680                 else if (xevent->xbutton.button == Button3)
2681                 {
2682                     eventType = wxEVT_RIGHT_UP;
2683                     win->SetButton3(FALSE);
2684                 }
2685                 else return FALSE;
2686             }
2687             else
2688             {
2689                 return FALSE;
2690             }
2691
2692             wxevent.SetEventType(eventType);
2693
2694             Position x1, y1;
2695             XtVaGetValues(widget, XmNx, &x1, XmNy, &y1, NULL);
2696
2697             int x2, y2;
2698             win->GetPosition(&x2, &y2);
2699
2700             // The button x/y must be translated to wxWindows
2701             // window space - the widget might be a label or button,
2702             // within a form.
2703             int dx = 0;
2704             int dy = 0;
2705             if (widget != (Widget)win->GetMainWidget())
2706             {
2707                 dx = x1;
2708                 dy = y1;
2709             }
2710
2711             wxevent.m_x = xevent->xbutton.x + dx;
2712             wxevent.m_y = xevent->xbutton.y + dy;
2713
2714             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2715                 || (event_left_is_down (xevent)
2716                 && (eventType != wxEVT_LEFT_UP)));
2717             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2718                 || (event_middle_is_down (xevent)
2719                 && (eventType != wxEVT_MIDDLE_UP)));
2720             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2721                 || (event_right_is_down (xevent)
2722                 && (eventType != wxEVT_RIGHT_UP)));
2723
2724             wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
2725             wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
2726             wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
2727             wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
2728
2729             wxevent.SetId(win->GetId());
2730             wxevent.SetEventObject(win);
2731
2732             return TRUE;
2733         }
2734     }
2735     return FALSE;
2736 }
2737
2738 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget WXUNUSED(widget), XEvent *xevent)
2739 {
2740     switch (xevent->xany.type)
2741     {
2742     case KeyPress:
2743     case KeyRelease:
2744         {
2745             char buf[20];
2746
2747             KeySym keySym;
2748 #if 0
2749             XComposeStatus compose;
2750             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, &compose);
2751 #endif // 0
2752             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
2753             int id = wxCharCodeXToWX (keySym);
2754
2755             if (xevent->xkey.state & ShiftMask)
2756                 wxevent.m_shiftDown = TRUE;
2757             if (xevent->xkey.state & ControlMask)
2758                 wxevent.m_controlDown = TRUE;
2759             if (xevent->xkey.state & Mod3Mask)
2760                 wxevent.m_altDown = TRUE;
2761             if (xevent->xkey.state & Mod1Mask)
2762                 wxevent.m_metaDown = TRUE;
2763             wxevent.SetEventObject(win);
2764             wxevent.m_keyCode = id;
2765             wxevent.SetTimestamp(xevent->xkey.time);
2766
2767             wxevent.m_x = xevent->xbutton.x;
2768             wxevent.m_y = xevent->xbutton.y;
2769
2770             if (id > -1)
2771                 return TRUE;
2772             else
2773                 return FALSE;
2774             break;
2775         }
2776     default:
2777         break;
2778     }
2779     return FALSE;
2780 }
2781
2782 // ----------------------------------------------------------------------------
2783 // Colour stuff
2784 // ----------------------------------------------------------------------------
2785
2786 #define YAllocColor XAllocColor
2787 XColor g_itemColors[5];
2788 int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
2789 {
2790     int result;
2791     static XmColorProc colorProc;
2792
2793     result = wxNO_COLORS;
2794
2795     if (back)
2796     {
2797         g_itemColors[0].red = (((long) back->Red ()) << 8);
2798         g_itemColors[0].green = (((long) back->Green ()) << 8);
2799         g_itemColors[0].blue = (((long) back->Blue ()) << 8);
2800         g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
2801         if (colorProc == (XmColorProc) NULL)
2802         {
2803             // Get a ptr to the actual function
2804             colorProc = XmSetColorCalculation ((XmColorProc) NULL);
2805             // And set it back to motif.
2806             XmSetColorCalculation (colorProc);
2807         }
2808         (*colorProc) (&g_itemColors[wxBACK_INDEX],
2809             &g_itemColors[wxFORE_INDEX],
2810             &g_itemColors[wxSELE_INDEX],
2811             &g_itemColors[wxTOPS_INDEX],
2812             &g_itemColors[wxBOTS_INDEX]);
2813         result = wxBACK_COLORS;
2814     }
2815     if (fore)
2816     {
2817         g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
2818         g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
2819         g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
2820         g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
2821         if (result == wxNO_COLORS)
2822             result = wxFORE_COLORS;
2823     }
2824
2825     Display *dpy = display;
2826     Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
2827
2828     if (back)
2829     {
2830         /* 5 Colours to allocate */
2831         for (int i = 0; i < 5; i++)
2832             if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
2833                 result = wxNO_COLORS;
2834     }
2835     else if (fore)
2836     {
2837         /* Only 1 colour to allocate */
2838         if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
2839             result = wxNO_COLORS;
2840     }
2841
2842     return (result);
2843
2844 }
2845
2846 // Changes the foreground and background colours to be derived from the current
2847 // background colour. To change the foreground colour, you must call
2848 // SetForegroundColour explicitly.
2849 void wxWindow::ChangeBackgroundColour()
2850 {
2851     WXWidget mainWidget = GetMainWidget();
2852     if ( mainWidget )
2853         DoChangeBackgroundColour(mainWidget, m_backgroundColour);
2854
2855     // This not necessary
2856 #if 0
2857
2858     if (m_scrolledWindow && (GetMainWidget() != m_scrolledWindow))
2859     {
2860         DoChangeBackgroundColour(m_scrolledWindow, m_backgroundColour);
2861         // Have to set the scrollbar colours back since
2862         // the scrolled window seemed to change them
2863         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
2864
2865         if (m_hScrollBar)
2866             DoChangeBackgroundColour(m_hScrollBar, backgroundColour);
2867         if (m_vScrollBar)
2868             DoChangeBackgroundColour(m_vScrollBar, backgroundColour);
2869     }
2870 #endif
2871 }
2872
2873 void wxWindow::ChangeForegroundColour()
2874 {
2875     WXWidget mainWidget = GetMainWidget();
2876     if ( mainWidget )
2877         DoChangeForegroundColour(mainWidget, m_foregroundColour);
2878     if ( m_scrolledWindow && mainWidget != m_scrolledWindow )
2879         DoChangeForegroundColour(m_scrolledWindow, m_foregroundColour);
2880 }
2881
2882 // Change a widget's foreground and background colours.
2883 void wxWindow::DoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
2884 {
2885     // When should we specify the foreground, if it's calculated
2886     // by wxComputeColours?
2887     // Solution: say we start with the default (computed) foreground colour.
2888     // If we call SetForegroundColour explicitly for a control or window,
2889     // then the foreground is changed.
2890     // Therefore SetBackgroundColour computes the foreground colour, and
2891     // SetForegroundColour changes the foreground colour. The ordering is
2892     // important.
2893
2894     Widget w = (Widget)widget;
2895     XtVaSetValues(
2896                   w,
2897                   XmNforeground, foregroundColour.AllocColour(XtDisplay(w)),
2898                   NULL
2899                  );
2900 }
2901
2902 void wxWindow::DoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour)
2903 {
2904     wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
2905         (wxColour*) NULL);
2906
2907     XtVaSetValues ((Widget) widget,
2908         XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
2909         XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
2910         XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
2911         XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
2912         NULL);
2913
2914     if (changeArmColour)
2915         XtVaSetValues ((Widget) widget,
2916         XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
2917         NULL);
2918 }
2919
2920 bool wxWindow::SetBackgroundColour(const wxColour& col)
2921 {
2922     if ( !wxWindowBase::SetBackgroundColour(col) )
2923         return FALSE;
2924
2925     ChangeBackgroundColour();
2926
2927     return TRUE;
2928 }
2929
2930 bool wxWindow::SetForegroundColour(const wxColour& col)
2931 {
2932     if ( !wxWindowBase::SetForegroundColour(col) )
2933         return FALSE;
2934
2935     ChangeForegroundColour();
2936
2937     return TRUE;
2938 }
2939
2940 void wxWindow::ChangeFont(bool keepOriginalSize)
2941 {
2942     // Note that this causes the widget to be resized back
2943     // to its original size! We therefore have to set the size
2944     // back again. TODO: a better way in Motif?
2945     Widget w = (Widget) GetLabelWidget(); // Usually the main widget
2946     if (w && m_font.Ok())
2947     {
2948         int width, height, width1, height1;
2949         GetSize(& width, & height);
2950
2951         // lesstif 0.87 hangs here
2952 #ifndef LESSTIF_VERSION
2953         XtVaSetValues (w,
2954             XmNfontList, (XmFontList) m_font.GetFontList(1.0, XtDisplay(w)),
2955             NULL);
2956 #endif
2957
2958         GetSize(& width1, & height1);
2959         if (keepOriginalSize && (width != width1 || height != height1))
2960         {
2961             SetSize(-1, -1, width, height);
2962         }
2963     }
2964 }
2965
2966 // ----------------------------------------------------------------------------
2967 // global functions
2968 // ----------------------------------------------------------------------------
2969
2970 wxWindow *wxGetActiveWindow()
2971 {
2972     // TODO
2973     return NULL;
2974 }
2975
2976 // ----------------------------------------------------------------------------
2977 // wxNoOptimize: switch off size optimization
2978 // ----------------------------------------------------------------------------
2979
2980 int wxNoOptimize::ms_count = 0;
2981
2982
2983
2984