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         }
 412
 413         m_mainWidget = (WXWidget) 0;
 414
 415         // Only if we're _really_ a canvas (not a dialog box/panel)
 416         if (m_scrolledWindow)
 417         {
 418             wxDeleteWindowFromTable((Widget) m_scrolledWindow);
 419         }
 420
 421         if (m_hScrollBar)
 422         {
 423             wxDeleteWindowFromTable((Widget) m_hScrollBar);
 424         }
 425         if (m_vScrollBar)
 426         {
 427             wxDeleteWindowFromTable((Widget) m_vScrollBar);
 428         }
 429
 430         UnmanageAndDestroy(m_hScrollBar);
 431         UnmanageAndDestroy(m_vScrollBar);
 432         UnmanageAndDestroy(m_scrolledWindow);
 433
 434         if (m_borderWidget)
 435         {
 436             XtDestroyWidget ((Widget) m_borderWidget);
 437             m_borderWidget = (WXWidget) 0;
 438         }
 439     }
 440
 441     // Destroy the window
 442     if (GetMainWidget())
 443     {
 444         // If this line (XtDestroyWidget) causes a crash, you may comment it out.
 445         // Child widgets will get destroyed automatically when a frame
 446         // or dialog is destroyed, but before that you may get some memory
 447         // leaks and potential layout problems if you delete and then add
 448         // child windows.
 449
 450         // GRG, Feb/2000: commented this out when adding support for
 451         //   wxSCROLL[WIN]_THUMBRELEASE events. Also it was reported
 452         //   that this call crashed wxMotif under OS/2, so it seems
 453         //   that leaving it out is the right thing to do.
 454 //        XtDestroyWidget((Widget) GetMainWidget());
 455         SetMainWidget((WXWidget) NULL);
 456     }
 457 }
 458
 459 // ----------------------------------------------------------------------------
 460 // scrollbar management
 461 // ----------------------------------------------------------------------------
 462
 463 // Helper function
 464 void wxWindow::CreateScrollbar(wxOrientation orientation)
 465 {
 466     wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
 467
 468     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
 469
 470     // Add scrollbars if required
 471     if (orientation == wxHORIZONTAL)
 472     {
 473         Widget hScrollBar = XtVaCreateManagedWidget ("hsb",
 474             xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
 475             XmNorientation, XmHORIZONTAL,
 476             NULL);
 477         XtAddCallback (hScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 478         XtAddCallback (hScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 479         XtAddCallback (hScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 480         XtAddCallback (hScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 481         XtAddCallback (hScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 482         XtAddCallback (hScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 483         XtAddCallback (hScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 484         XtAddCallback (hScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 485
 486         XtVaSetValues (hScrollBar,
 487             XmNincrement, 1,
 488             XmNvalue, 0,
 489             NULL);
 490
 491         m_hScrollBar = (WXWidget) hScrollBar;
 492
 493         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 494         DoChangeBackgroundColour(m_hScrollBar, backgroundColour, TRUE);
 495
 496         XtRealizeWidget(hScrollBar);
 497
 498         XtVaSetValues((Widget) m_scrolledWindow,
 499             XmNhorizontalScrollBar, (Widget) m_hScrollBar,
 500             NULL);
 501
 502         m_hScroll = TRUE;
 503
 504         wxAddWindowToTable( hScrollBar, this );
 505     }
 506
 507     if (orientation == wxVERTICAL)
 508     {
 509         Widget vScrollBar = XtVaCreateManagedWidget ("vsb",
 510             xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
 511             XmNorientation, XmVERTICAL,
 512             NULL);
 513         XtAddCallback (vScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 514         XtAddCallback (vScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 515         XtAddCallback (vScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 516         XtAddCallback (vScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 517         XtAddCallback (vScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 518         XtAddCallback (vScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 519         XtAddCallback (vScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 520         XtAddCallback (vScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 521
 522         XtVaSetValues (vScrollBar,
 523             XmNincrement, 1,
 524             XmNvalue, 0,
 525             NULL);
 526
 527         m_vScrollBar = (WXWidget) vScrollBar;
 528         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 529         DoChangeBackgroundColour(m_vScrollBar, backgroundColour, TRUE);
 530
 531         XtRealizeWidget(vScrollBar);
 532
 533         XtVaSetValues((Widget) m_scrolledWindow,
 534             XmNverticalScrollBar, (Widget) m_vScrollBar,
 535             NULL);
 536
 537         m_vScroll = TRUE;
 538
 539         wxAddWindowToTable( vScrollBar, this );
 540     }
 541
 542     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
 543 }
 544
 545 void wxWindow::DestroyScrollbar(wxOrientation orientation)
 546 {
 547     wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
 548
 549     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
 550     // Add scrollbars if required
 551     if (orientation == wxHORIZONTAL)
 552     {
 553         if (m_hScrollBar)
 554         {
 555             wxDeleteWindowFromTable((Widget)m_hScrollBar);
 556             XtDestroyWidget((Widget) m_hScrollBar);
 557         }
 558         m_hScrollBar = (WXWidget) 0;
 559         m_hScroll = FALSE;
 560
 561         XtVaSetValues((Widget) m_scrolledWindow,
 562             XmNhorizontalScrollBar, (Widget) 0,
 563             NULL);
 564
 565     }
 566
 567     if (orientation == wxVERTICAL)
 568     {
 569         if (m_vScrollBar)
 570         {
 571             wxDeleteWindowFromTable((Widget)m_vScrollBar);
 572             XtDestroyWidget((Widget) m_vScrollBar);
 573         }
 574         m_vScrollBar = (WXWidget) 0;
 575         m_vScroll = TRUE;
 576
 577         XtVaSetValues((Widget) m_scrolledWindow,
 578             XmNverticalScrollBar, (Widget) 0,
 579             NULL);
 580
 581     }
 582     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
 583 }
 584
 585 // ---------------------------------------------------------------------------
 586 // basic operations
 587 // ---------------------------------------------------------------------------
 588
 589 void wxWindow::SetFocus()
 590 {
 591     Widget wMain = (Widget) GetMainWidget();
 592     XmProcessTraversal(wMain, XmTRAVERSE_CURRENT);
 593     XmProcessTraversal((Widget) GetMainWidget(), XmTRAVERSE_CURRENT);
 594 }
 595
 596 // Get the window with the focus
 597 wxWindow *wxWindowBase::FindFocus()
 598 {
 599     // TODO Problems:
 600     // (1) Can there be multiple focussed widgets in an application?
 601     // In which case we need to find the top-level window that's
 602     // currently active.
 603     // (2) The widget with the focus may not be in the widget table
 604     // depending on which widgets I put in the table
 605     wxWindow *winFocus = (wxWindow *)NULL;
 606     for ( wxWindowList::Node *node = wxTopLevelWindows.GetFirst();
 607           node;
 608           node = node->GetNext() )
 609     {
 610         wxWindow *win = node->GetData();
 611
 612         Widget w = XmGetFocusWidget ((Widget) win->GetTopWidget());
 613
 614         if (w != (Widget) NULL)
 615         {
 616             winFocus = wxGetWindowFromTable(w);
 617             if ( winFocus )
 618                 break;
 619         }
 620     }
 621
 622     return winFocus;
 623 }
 624
 625 bool wxWindow::Enable(bool enable)
 626 {
 627     if ( !wxWindowBase::Enable(enable) )
 628         return FALSE;
 629
 630     Widget wMain = (Widget)GetMainWidget();
 631     if ( wMain )
 632     {
 633         XtSetSensitive(wMain, enable);
 634         XmUpdateDisplay(wMain);
 635     }
 636
 637     return TRUE;
 638 }
 639
 640 bool wxWindow::Show(bool show)
 641 {
 642     if ( !wxWindowBase::Show(show) )
 643         return FALSE;
 644
 645     if (m_borderWidget || m_scrolledWindow)
 646     {
 647         MapOrUnmap(m_drawingArea, show);
 648         MapOrUnmap(m_borderWidget ? m_borderWidget : m_scrolledWindow, show);
 649     }
 650     else
 651     {
 652         if ( !MapOrUnmap(GetTopWidget(), show) )
 653             MapOrUnmap(GetMainWidget(), show);
 654     }
 655
 656 #if 0
 657     Window xwin = (Window) GetXWindow();
 658     Display *xdisp = (Display*) GetXDisplay();
 659     if (show)
 660         XMapWindow(xdisp, xwin);
 661     else
 662         XUnmapWindow(xdisp, xwin);
 663 #endif
 664
 665     return TRUE;
 666 }
 667
 668 // Raise the window to the top of the Z order
 669 void wxWindow::Raise()
 670 {
 671     Widget wTop = (Widget) GetTopWidget();
 672     Window window = XtWindow(wTop);
 673     XRaiseWindow(XtDisplay(wTop), window);
 674 }
 675
 676 // Lower the window to the bottom of the Z order
 677 void wxWindow::Lower()
 678 {
 679     Widget wTop = (Widget) GetTopWidget();
 680     Window window = XtWindow(wTop);
 681     XLowerWindow(XtDisplay(wTop), window);
 682 }
 683
 684 void wxWindow::SetTitle(const wxString& title)
 685 {
 686     XtVaSetValues((Widget)GetMainWidget(), XmNtitle, title.c_str(), NULL);
 687 }
 688
 689 wxString wxWindow::GetTitle() const
 690 {
 691     char *title;
 692     XtVaGetValues((Widget)GetMainWidget(), XmNtitle, &title, NULL);
 693
 694     return wxString(title);
 695 }
 696
 697 void wxWindow::CaptureMouse()
 698 {
 699     if ( m_winCaptured )
 700         return;
 701
 702     Widget wMain = (Widget)GetMainWidget();
 703     if ( wMain )
 704         XtAddGrab(wMain, TRUE, FALSE);
 705
 706     m_winCaptured = TRUE;
 707 }
 708
 709 void wxWindow::ReleaseMouse()
 710 {
 711     if ( !m_winCaptured )
 712         return;
 713
 714     Widget wMain = (Widget)GetMainWidget();
 715     if ( wMain )
 716         XtRemoveGrab(wMain);
 717
 718     m_winCaptured = FALSE;
 719 }
 720
 721 bool wxWindow::SetFont(const wxFont& font)
 722 {
 723     if ( !wxWindowBase::SetFont(font) )
 724     {
 725         // nothing to do
 726         return FALSE;
 727     }
 728
 729     ChangeFont();
 730
 731     return TRUE;
 732 }
 733
 734 bool wxWindow::SetCursor(const wxCursor& cursor)
 735 {
 736     if ( !wxWindowBase::SetCursor(cursor) )
 737     {
 738         // no change
 739         return FALSE;
 740     }
 741
 742     wxASSERT_MSG( m_cursor.Ok(),
 743                   wxT("cursor must be valid after call to the base version"));
 744
 745     WXDisplay *dpy = GetXDisplay();
 746     WXCursor x_cursor = m_cursor.GetXCursor(dpy);
 747
 748     Widget w = (Widget) GetMainWidget();
 749     Window win = XtWindow(w);
 750     XDefineCursor((Display*) dpy, win, (Cursor) x_cursor);
 751
 752     return TRUE;
 753 }
 754
 755 // Coordinates relative to the window
 756 void wxWindow::WarpPointer (int x, int y)
 757 {
 758     Widget wClient = (Widget)GetClientWidget();
 759
 760     XWarpPointer(XtDisplay(wClient), None, XtWindow(wClient), 0, 0, 0, 0, x, y);
 761 }
 762
 763 // ---------------------------------------------------------------------------
 764 // scrolling stuff
 765 // ---------------------------------------------------------------------------
 766
 767 int wxWindow::GetScrollPos(int orient) const
 768 {
 769     if (orient == wxHORIZONTAL)
 770         return m_scrollPosX;
 771     else
 772         return m_scrollPosY;
 773
 774 #if 0
 775     Widget scrollBar = (Widget) ((orient == wxHORIZONTAL) ? m_hScrollBar : m_vScrollBar);
 776     if (scrollBar)
 777     {
 778         int pos;
 779         XtVaGetValues(scrollBar, XmNvalue, &pos, NULL);
 780         return pos;
 781     }
 782     else
 783         return 0;
 784 #endif // 0
 785 }
 786
 787 // This now returns the whole range, not just the number of positions that we
 788 // can scroll.
 789 int wxWindow::GetScrollRange(int orient) const
 790 {
 791     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 792     wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
 793
 794     int range;
 795     XtVaGetValues(scrollBar, XmNmaximum, &range, NULL);
 796     return range;
 797 }
 798
 799 int wxWindow::GetScrollThumb(int orient) const
 800 {
 801     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 802     wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
 803
 804     int thumb;
 805     XtVaGetValues(scrollBar, XmNsliderSize, &thumb, NULL);
 806     return thumb;
 807 }
 808
 809 void wxWindow::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh))
 810 {
 811     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 812
 813     if ( scrollBar )
 814     {
 815         XtVaSetValues (scrollBar, XmNvalue, pos, NULL);
 816     }
 817
 818     SetInternalScrollPos((wxOrientation)orient, pos);
 819 }
 820
 821 // New function that will replace some of the above.
 822 void wxWindow::SetScrollbar(int orient, int pos, int thumbVisible,
 823                             int range, bool WXUNUSED(refresh))
 824 {
 825     int oldW, oldH;
 826     GetSize(& oldW, & oldH);
 827
 828     if (range == 0)
 829         range = 1;
 830     if (thumbVisible == 0)
 831         thumbVisible = 1;
 832
 833     if (thumbVisible > range)
 834         thumbVisible = range;
 835
 836     // Save the old state to see if it changed
 837     WXWidget oldScrollBar = GetScrollbar((wxOrientation)orient);
 838
 839     if (orient == wxHORIZONTAL)
 840     {
 841         if (thumbVisible == range)
 842         {
 843             if (m_hScrollBar)
 844                 DestroyScrollbar(wxHORIZONTAL);
 845         }
 846         else
 847         {
 848             if (!m_hScrollBar)
 849                 CreateScrollbar(wxHORIZONTAL);
 850         }
 851     }
 852     if (orient == wxVERTICAL)
 853     {
 854         if (thumbVisible == range)
 855         {
 856             if (m_vScrollBar)
 857                 DestroyScrollbar(wxVERTICAL);
 858         }
 859         else
 860         {
 861             if (!m_vScrollBar)
 862                 CreateScrollbar(wxVERTICAL);
 863         }
 864     }
 865     WXWidget newScrollBar =  GetScrollbar((wxOrientation)orient);
 866
 867     if (oldScrollBar != newScrollBar)
 868     {
 869         // This is important! Without it, scrollbars misbehave badly.
 870         XtUnrealizeWidget((Widget) m_scrolledWindow);
 871         XmScrolledWindowSetAreas ((Widget) m_scrolledWindow, (Widget) m_hScrollBar, (Widget) m_vScrollBar, (Widget) m_drawingArea);
 872         XtRealizeWidget((Widget) m_scrolledWindow);
 873         XtManageChild((Widget) m_scrolledWindow);
 874     }
 875
 876     if (newScrollBar)
 877     {
 878         XtVaSetValues((Widget) newScrollBar,
 879         XmNvalue, pos,
 880         XmNminimum, 0,
 881         XmNmaximum, range,
 882         XmNsliderSize, thumbVisible,
 883         NULL);
 884     }
 885
 886     SetInternalScrollPos((wxOrientation)orient, pos);
 887
 888     int newW, newH;
 889     GetSize(& newW, & newH);
 890
 891     // Adjusting scrollbars can resize the canvas accidentally
 892     if (newW != oldW || newH != oldH)
 893         SetSize(-1, -1, oldW, oldH);
 894 }
 895
 896 // Does a physical scroll
 897 void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
 898 {
 899     int x, y, w, h;
 900     if (rect)
 901     {
 902         // Use specified rectangle
 903         x = rect->x; y = rect->y; w = rect->width; h = rect->height;
 904     }
 905     else
 906     {
 907         // Use whole client area
 908         x = 0; y = 0;
 909         GetClientSize(& w, & h);
 910     }
 911
 912     wxNode *cnode = m_children.First();
 913     while (cnode)
 914     {
 915         wxWindow *child = (wxWindow*) cnode->Data();
 916         int sx = 0;
 917         int sy = 0;
 918         child->GetSize( &sx, &sy );
 919         wxPoint pos( child->GetPosition() );
 920         child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
 921         cnode = cnode->Next();
 922     }
 923
 924     int x1 = (dx >= 0) ? x : x - dx;
 925     int y1 = (dy >= 0) ? y : y - dy;
 926     int w1 = w - abs(dx);
 927     int h1 = h - abs(dy);
 928     int x2 = (dx >= 0) ? x + dx : x;
 929     int y2 = (dy >= 0) ? y + dy : y;
 930
 931     wxClientDC dc(this);
 932
 933     dc.SetLogicalFunction (wxCOPY);
 934
 935     Widget widget = (Widget) GetMainWidget();
 936     Window window = XtWindow(widget);
 937     Display* display = XtDisplay(widget);
 938
 939     XCopyArea(display, window, window, (GC) dc.GetGC(),
 940               x1, y1, w1, h1, x2, y2);
 941
 942     dc.SetAutoSetting(TRUE);
 943     wxBrush brush(GetBackgroundColour(), wxSOLID);
 944     dc.SetBrush(brush); // FIXME: needed?
 945
 946     // We'll add rectangles to the list of update rectangles according to which
 947     // bits we've exposed.
 948     wxList updateRects;
 949
 950     if (dx > 0)
 951     {
 952         wxRect *rect = new wxRect;
 953         rect->x = x;
 954         rect->y = y;
 955         rect->width = dx;
 956         rect->height = h;
 957
 958         XFillRectangle(display, window,
 959             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 960
 961         rect->x = rect->x;
 962         rect->y = rect->y;
 963         rect->width = rect->width;
 964         rect->height = rect->height;
 965
 966         updateRects.Append((wxObject*) rect);
 967     }
 968     else if (dx < 0)
 969     {
 970         wxRect *rect = new wxRect;
 971
 972         rect->x = x + w + dx;
 973         rect->y = y;
 974         rect->width = -dx;
 975         rect->height = h;
 976
 977         XFillRectangle(display, window,
 978             (GC) dc.GetGC(), rect->x, rect->y, rect->width,
 979             rect->height);
 980
 981         rect->x = rect->x;
 982         rect->y = rect->y;
 983         rect->width = rect->width;
 984         rect->height = rect->height;
 985
 986         updateRects.Append((wxObject*) rect);
 987     }
 988     if (dy > 0)
 989     {
 990         wxRect *rect = new wxRect;
 991
 992         rect->x = x;
 993         rect->y = y;
 994         rect->width = w;
 995         rect->height = dy;
 996
 997         XFillRectangle(display, window,
 998             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 999
1000         rect->x = rect->x;
1001         rect->y = rect->y;
1002         rect->width = rect->width;
1003         rect->height = rect->height;
1004
1005         updateRects.Append((wxObject*) rect);
1006     }
1007     else if (dy < 0)
1008     {
1009         wxRect *rect = new wxRect;
1010
1011         rect->x = x;
1012         rect->y = y + h + dy;
1013         rect->width = w;
1014         rect->height = -dy;
1015
1016         XFillRectangle(display, window,
1017             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
1018
1019         rect->x = rect->x;
1020         rect->y = rect->y;
1021         rect->width = rect->width;
1022         rect->height = rect->height;
1023
1024         updateRects.Append((wxObject*) rect);
1025     }
1026     dc.SetBrush(wxNullBrush);
1027
1028     // Now send expose events
1029
1030     wxNode* node = updateRects.First();
1031     while (node)
1032     {
1033         wxRect* rect = (wxRect*) node->Data();
1034         XExposeEvent event;
1035
1036         event.type = Expose;
1037         event.display = display;
1038         event.send_event = True;
1039         event.window = window;
1040
1041         event.x = rect->x;
1042         event.y = rect->y;
1043         event.width = rect->width;
1044         event.height = rect->height;
1045
1046         event.count = 0;
1047
1048         XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
1049
1050         node = node->Next();
1051
1052     }
1053
1054     // Delete the update rects
1055     node = updateRects.First();
1056     while (node)
1057     {
1058         wxRect* rect = (wxRect*) node->Data();
1059         delete rect;
1060         node = node->Next();
1061     }
1062
1063     XmUpdateDisplay((Widget) GetMainWidget());
1064 }
1065
1066 // ---------------------------------------------------------------------------
1067 // drag and drop
1068 // ---------------------------------------------------------------------------
1069
1070 #if wxUSE_DRAG_AND_DROP
1071
1072 void wxWindow::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
1073 {
1074     // TODO
1075 }
1076
1077 #endif
1078
1079 // Old style file-manager drag&drop
1080 void wxWindow::DragAcceptFiles(bool WXUNUSED(accept))
1081 {
1082     // TODO
1083 }
1084
1085 // ----------------------------------------------------------------------------
1086 // tooltips
1087 // ----------------------------------------------------------------------------
1088
1089 #if wxUSE_TOOLTIPS
1090
1091 void wxWindow::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
1092 {
1093     // TODO
1094 }
1095
1096 #endif // wxUSE_TOOLTIPS
1097
1098 // ----------------------------------------------------------------------------
1099 // popup menus
1100 // ----------------------------------------------------------------------------
1101
1102 bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
1103 {
1104     Widget widget = (Widget) GetMainWidget();
1105
1106     /* The menuId field seems to be usused, so we'll use it to
1107     indicate whether a menu is popped up or not:
1108     0: Not currently created as a popup
1109     -1: Created as a popup, but not active
1110     1: Active popup.
1111     */
1112
1113     if (menu->GetParent() && (menu->GetId() != -1))
1114         return FALSE;
1115
1116     if (menu->GetMainWidget()) {
1117         menu->DestroyMenu(TRUE);
1118     }
1119
1120     menu->SetId(1); /* Mark as popped-up */
1121     menu->CreateMenu(NULL, widget, menu);
1122     menu->SetInvokingWindow(this);
1123
1124     menu->UpdateUI();
1125
1126     //  menu->SetParent(parent);
1127     //  parent->children->Append(menu);  // Store menu for later deletion
1128
1129     Widget menuWidget = (Widget) menu->GetMainWidget();
1130
1131     int rootX = 0;
1132     int rootY = 0;
1133
1134     int deviceX = x;
1135     int deviceY = y;
1136     /*
1137     if (this->IsKindOf(CLASSINFO(wxCanvas)))
1138     {
1139     wxCanvas *canvas = (wxCanvas *) this;
1140     deviceX = canvas->GetDC ()->LogicalToDeviceX (x);
1141     deviceY = canvas->GetDC ()->LogicalToDeviceY (y);
1142     }
1143     */
1144
1145     Display *display = XtDisplay (widget);
1146     Window rootWindow = RootWindowOfScreen (XtScreen((Widget)widget));
1147     Window thisWindow = XtWindow (widget);
1148     Window childWindow;
1149     XTranslateCoordinates (display, thisWindow, rootWindow, (int) deviceX, (int) deviceY,
1150         &rootX, &rootY, &childWindow);
1151
1152     XButtonPressedEvent event;
1153     event.type = ButtonPress;
1154     event.button = 1;
1155
1156     event.x = deviceX;
1157     event.y = deviceY;
1158
1159     event.x_root = rootX;
1160     event.y_root = rootY;
1161
1162     XmMenuPosition (menuWidget, &event);
1163     XtManageChild (menuWidget);
1164
1165     return TRUE;
1166 }
1167
1168 // ---------------------------------------------------------------------------
1169 // moving and resizing
1170 // ---------------------------------------------------------------------------
1171
1172 bool wxWindow::PreResize()
1173 {
1174     return TRUE;
1175 }
1176
1177 // Get total size
1178 void wxWindow::DoGetSize(int *x, int *y) const
1179 {
1180     if (m_drawingArea)
1181     {
1182         CanvasGetSize(x, y);
1183         return;
1184     }
1185
1186     Widget widget = (Widget) GetTopWidget();
1187     Dimension xx, yy;
1188     XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1189     *x = xx; *y = yy;
1190 }
1191
1192 void wxWindow::DoGetPosition(int *x, int *y) const
1193 {
1194     if (m_drawingArea)
1195     {
1196         CanvasGetPosition(x, y);
1197         return;
1198     }
1199     Widget widget = (Widget) GetTopWidget();
1200     Position xx, yy;
1201     XtVaGetValues(widget, XmNx, &xx, XmNy, &yy, NULL);
1202
1203     // We may be faking the client origin. So a window that's really at (0, 30)
1204     // may appear (to wxWin apps) to be at (0, 0).
1205     if (GetParent())
1206     {
1207         wxPoint pt(GetParent()->GetClientAreaOrigin());
1208         xx -= pt.x;
1209         yy -= pt.y;
1210     }
1211
1212     *x = xx; *y = yy;
1213 }
1214
1215 void wxWindow::DoScreenToClient(int *x, int *y) const
1216 {
1217     Widget widget = (Widget) GetClientWidget();
1218     Display *display = XtDisplay((Widget) GetMainWidget());
1219     Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1220     Window thisWindow = XtWindow(widget);
1221
1222     Window childWindow;
1223     int xx = *x;
1224     int yy = *y;
1225     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
1226 }
1227
1228 void wxWindow::DoClientToScreen(int *x, int *y) const
1229 {
1230     Widget widget = (Widget) GetClientWidget();
1231     Display *display = XtDisplay(widget);
1232     Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1233     Window thisWindow = XtWindow(widget);
1234
1235     Window childWindow;
1236     int xx = *x;
1237     int yy = *y;
1238     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
1239 }
1240
1241
1242 // Get size *available for subwindows* i.e. excluding menu bar etc.
1243 void wxWindow::DoGetClientSize(int *x, int *y) const
1244 {
1245     Widget widget = (Widget) GetClientWidget();
1246     Dimension xx, yy;
1247     XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1248     *x = xx; *y = yy;
1249 }
1250
1251 void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1252 {
1253     // A bit of optimization to help sort out the flickers.
1254     int oldX, oldY, oldW, oldH;
1255     GetSize(& oldW, & oldH);
1256     GetPosition(& oldX, & oldY);
1257
1258     if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1259     {
1260         if ( x == -1 )
1261             x = oldX;
1262         if ( y == -1 )
1263             y = oldY;
1264     }
1265
1266     if ( width == -1 )
1267         width = oldW;
1268     if ( height == -1 )
1269         height = oldH;
1270
1271     bool nothingChanged = (x == oldX) && (y == oldY) &&
1272                           (width == oldW) && (height == oldH);
1273
1274     if (!wxNoOptimize::CanOptimize())
1275     {
1276         nothingChanged = FALSE;
1277     }
1278
1279     if ( !nothingChanged )
1280     {
1281         if (m_drawingArea)
1282         {
1283             CanvasSetSize(x, y, width, height, sizeFlags);
1284             return;
1285         }
1286
1287         Widget widget = (Widget) GetTopWidget();
1288         if (!widget)
1289             return;
1290
1291         bool managed = XtIsManaged( widget );
1292         if (managed)
1293             XtUnmanageChild(widget);
1294
1295         int xx = x;
1296         int yy = y;
1297         AdjustForParentClientOrigin(xx, yy, sizeFlags);
1298
1299         DoMoveWindow(xx, yy, width, height);
1300
1301         if (managed)
1302             XtManageChild(widget);
1303
1304         // How about this bit. Maybe we don't need to generate size events
1305         // all the time -- they'll be generated when the window is sized anyway.
1306 #if 0
1307         wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1308         sizeEvent.SetEventObject(this);
1309
1310         GetEventHandler()->ProcessEvent(sizeEvent);
1311 #endif // 0
1312     }
1313 }
1314
1315 void wxWindow::DoSetClientSize(int width, int height)
1316 {
1317     if (m_drawingArea)
1318     {
1319         CanvasSetClientSize(width, height);
1320         return;
1321     }
1322
1323     Widget widget = (Widget) GetTopWidget();
1324
1325     if (width > -1)
1326         XtVaSetValues(widget, XmNwidth, width, NULL);
1327     if (height > -1)
1328         XtVaSetValues(widget, XmNheight, height, NULL);
1329
1330     wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1331     sizeEvent.SetEventObject(this);
1332
1333     GetEventHandler()->ProcessEvent(sizeEvent);
1334 }
1335
1336 // For implementation purposes - sometimes decorations make the client area
1337 // smaller
1338 wxPoint wxWindow::GetClientAreaOrigin() const
1339 {
1340     return wxPoint(0, 0);
1341 }
1342
1343 // Makes an adjustment to the window position (for example, a frame that has
1344 // a toolbar that it manages itself).
1345 void wxWindow::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
1346 {
1347     if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
1348     {
1349         wxPoint pt(GetParent()->GetClientAreaOrigin());
1350         x += pt.x; y += pt.y;
1351     }
1352 }
1353
1354 void wxWindow::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
1355 {
1356     m_minWidth = minW;
1357     m_minHeight = minH;
1358     m_maxWidth = maxW;
1359     m_maxHeight = maxH;
1360
1361     wxFrame *frame = wxDynamicCast(this, wxFrame);
1362     if ( !frame )
1363     {
1364         // TODO what about dialogs?
1365         return;
1366     }
1367
1368     Widget widget = (Widget) frame->GetShellWidget();
1369
1370     if (minW > -1)
1371         XtVaSetValues(widget, XmNminWidth, minW, NULL);
1372     if (minH > -1)
1373         XtVaSetValues(widget, XmNminHeight, minH, NULL);
1374     if (maxW > -1)
1375         XtVaSetValues(widget, XmNmaxWidth, maxW, NULL);
1376     if (maxH > -1)
1377         XtVaSetValues(widget, XmNmaxHeight, maxH, NULL);
1378     if (incW > -1)
1379         XtVaSetValues(widget, XmNwidthInc, incW, NULL);
1380     if (incH > -1)
1381         XtVaSetValues(widget, XmNheightInc, incH, NULL);
1382 }
1383
1384 void wxWindow::DoMoveWindow(int x, int y, int width, int height)
1385 {
1386     XtVaSetValues((Widget)GetTopWidget(),
1387                   XmNx, x,
1388                   XmNy, y,
1389                   XmNwidth, width,
1390                   XmNheight, height,
1391                   NULL);
1392 }
1393
1394 // ---------------------------------------------------------------------------
1395 // text metrics
1396 // ---------------------------------------------------------------------------
1397
1398 int wxWindow::GetCharHeight() const
1399 {
1400     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1401
1402     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1403
1404     int direction, ascent, descent;
1405     XCharStruct overall;
1406     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1407         &descent, &overall);
1408
1409     //  return (overall.ascent + overall.descent);
1410     return (ascent + descent);
1411 }
1412
1413 int wxWindow::GetCharWidth() const
1414 {
1415     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1416
1417     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1418
1419     int direction, ascent, descent;
1420     XCharStruct overall;
1421     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1422         &descent, &overall);
1423
1424     return overall.width;
1425 }
1426
1427 void wxWindow::GetTextExtent(const wxString& string,
1428                              int *x, int *y,
1429                              int *descent, int *externalLeading,
1430                              const wxFont *theFont) const
1431 {
1432     wxFont *fontToUse = (wxFont *)theFont;
1433     if (!fontToUse)
1434         fontToUse = (wxFont *) & m_font;
1435
1436     wxCHECK_RET( fontToUse->Ok(), "valid window font needed" );
1437
1438     WXFontStructPtr pFontStruct = theFont->GetFontStruct(1.0, GetXDisplay());
1439
1440     int direction, ascent, descent2;
1441     XCharStruct overall;
1442     int slen = string.Len();
1443
1444 #if 0
1445     if (use16)
1446         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
1447         &ascent, &descent2, &overall);
1448 #endif
1449
1450     XTextExtents((XFontStruct*) pFontStruct, string, slen,
1451                  &direction, &ascent, &descent2, &overall);
1452
1453     if ( x )
1454         *x = (overall.width);
1455     if ( y )
1456         *y = (ascent + descent2);
1457     if (descent)
1458         *descent = descent2;
1459     if (externalLeading)
1460         *externalLeading = 0;
1461
1462 }
1463
1464 // ----------------------------------------------------------------------------
1465 // painting
1466 // ----------------------------------------------------------------------------
1467
1468 void wxWindow::Refresh(bool eraseBack, const wxRect *rect)
1469 {
1470     m_needsRefresh = TRUE;
1471     Display *display = XtDisplay((Widget) GetMainWidget());
1472     Window thisWindow = XtWindow((Widget) GetMainWidget());
1473
1474     XExposeEvent dummyEvent;
1475     int width, height;
1476     GetSize(&width, &height);
1477
1478     dummyEvent.type = Expose;
1479     dummyEvent.display = display;
1480     dummyEvent.send_event = True;
1481     dummyEvent.window = thisWindow;
1482     if (rect)
1483     {
1484         dummyEvent.x = rect->x;
1485         dummyEvent.y = rect->y;
1486         dummyEvent.width = rect->width;
1487         dummyEvent.height = rect->height;
1488     }
1489     else
1490     {
1491         dummyEvent.x = 0;
1492         dummyEvent.y = 0;
1493         dummyEvent.width = width;
1494         dummyEvent.height = height;
1495     }
1496     dummyEvent.count = 0;
1497
1498     if (eraseBack)
1499     {
1500         wxClientDC dc(this);
1501         wxBrush backgroundBrush(GetBackgroundColour(), wxSOLID);
1502         dc.SetBackground(backgroundBrush);
1503         if (rect)
1504             dc.Clear(*rect);
1505         else
1506             dc.Clear();
1507     }
1508
1509     XSendEvent(display, thisWindow, False, ExposureMask, (XEvent *)&dummyEvent);
1510 }
1511
1512 void wxWindow::Clear()
1513 {
1514     wxClientDC dc(this);
1515     wxBrush brush(GetBackgroundColour(), wxSOLID);
1516     dc.SetBackground(brush);
1517     dc.Clear();
1518 }
1519
1520 void wxWindow::ClearUpdateRects()
1521 {
1522     wxRectList::Node* node = m_updateRects.GetFirst();
1523     while (node)
1524     {
1525         wxRect* rect = node->GetData();
1526         delete rect;
1527         node = node->GetNext();
1528     }
1529
1530     m_updateRects.Clear();
1531 }
1532
1533 void wxWindow::DoPaint()
1534 {
1535     //TODO : make a temporary gc so we can do the XCopyArea below
1536     if (m_backingPixmap && !m_needsRefresh)
1537     {
1538       wxPaintDC dc(this);
1539
1540       GC tempGC = (GC) dc.GetBackingGC();
1541
1542       Widget widget = (Widget) GetMainWidget();
1543
1544       int scrollPosX = 0;
1545       int scrollPosY = 0;
1546
1547       // We have to test whether it's a wxScrolledWindow (hack!) because
1548       // otherwise we don't know how many pixels have been scrolled. We might
1549       // solve this in the future by defining virtual wxWindow functions to get
1550       // the scroll position in pixels. Or, each kind of scrolled window has to
1551       // implement backing stores itself, using generic wxWindows code.
1552       wxScrolledWindow* scrolledWindow = wxDynamicCast(this, wxScrolledWindow);
1553       if ( scrolledWindow )
1554       {
1555           int x, y;
1556           scrolledWindow->CalcScrolledPosition(0, 0, &x, &y);
1557
1558           scrollPosX = - x;
1559           scrollPosY = - y;
1560       }
1561
1562       // TODO: This could be optimized further by only copying the areas in the
1563       //       current update region.
1564
1565       // Only blit the part visible in the client area. The backing pixmap
1566       // always starts at 0, 0 but we may be looking at only a portion of it.
1567       wxSize clientArea = GetClientSize();
1568       int toBlitX = m_pixmapWidth - scrollPosX;
1569       int toBlitY = m_pixmapHeight - scrollPosY;
1570
1571       // Copy whichever is samller, the amount of pixmap we have to copy,
1572       // or the size of the client area.
1573       toBlitX = wxMin(toBlitX, clientArea.x);
1574       toBlitY = wxMin(toBlitY, clientArea.y);
1575
1576       // Make sure we're not negative
1577       toBlitX = wxMax(0, toBlitX);
1578       toBlitY = wxMax(0, toBlitY);
1579
1580       XCopyArea
1581       (
1582        XtDisplay(widget),
1583        (Pixmap) m_backingPixmap,
1584        XtWindow (widget),
1585        tempGC,
1586        scrollPosX, scrollPosY, // Start at the scroll position
1587        toBlitX, toBlitY,       // How much of the pixmap to copy
1588        0, 0                    // Destination
1589       );
1590     }
1591     else
1592     {
1593         // Set an erase event first
1594         wxEraseEvent eraseEvent(GetId());
1595         eraseEvent.SetEventObject(this);
1596         GetEventHandler()->ProcessEvent(eraseEvent);
1597
1598         wxPaintEvent event(GetId());
1599         event.SetEventObject(this);
1600         GetEventHandler()->ProcessEvent(event);
1601
1602         m_needsRefresh = FALSE;
1603     }
1604 }
1605
1606 // ----------------------------------------------------------------------------
1607 // event handlers
1608 // ----------------------------------------------------------------------------
1609
1610 // Responds to colour changes: passes event on to children.
1611 void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
1612 {
1613     wxWindowList::Node *node = GetChildren().GetFirst();
1614     while ( node )
1615     {
1616         // Only propagate to non-top-level windows
1617         wxWindow *win = node->GetData();
1618         if ( win->GetParent() )
1619         {
1620             wxSysColourChangedEvent event2;
1621             event.m_eventObject = win;
1622             win->GetEventHandler()->ProcessEvent(event2);
1623         }
1624
1625         node = node->GetNext();
1626     }
1627 }
1628
1629 void wxWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
1630 {
1631     // This calls the UI-update mechanism (querying windows for
1632     // menu/toolbar/control state information)
1633     UpdateWindowUI();
1634 }
1635
1636 // ----------------------------------------------------------------------------
1637 // accelerators
1638 // ----------------------------------------------------------------------------
1639
1640 bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
1641 {
1642     if (!m_acceleratorTable.Ok())
1643         return FALSE;
1644
1645     int count = m_acceleratorTable.GetCount();
1646     wxAcceleratorEntry* entries = m_acceleratorTable.GetEntries();
1647     int i;
1648     for (i = 0; i < count; i++)
1649     {
1650         wxAcceleratorEntry* entry = & (entries[i]);
1651         if (entry->MatchesEvent(event))
1652         {
1653             // Bingo, we have a match. Now find a control that matches the entry
1654             // command id.
1655
1656             // Need to go up to the top of the window hierarchy, since it might
1657             // be e.g. a menu item
1658             wxWindow* parent = this;
1659             while ( parent && !parent->IsTopLevel() )
1660                 parent = parent->GetParent();
1661
1662             if (!parent)
1663                 return FALSE;
1664
1665             wxFrame* frame = wxDynamicCast(parent, wxFrame);
1666             if ( frame )
1667             {
1668                 // Try for a menu command
1669                 if (frame->GetMenuBar())
1670                 {
1671                     wxMenuItem* item = frame->GetMenuBar()->FindItem(entry->GetCommand());
1672                     if (item)
1673                     {
1674                         wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, entry->GetCommand());
1675                         commandEvent.SetEventObject(frame);
1676
1677                         // If ProcessEvent returns TRUE (it was handled), then
1678                         // the calling code will skip the event handling.
1679                         return frame->GetEventHandler()->ProcessEvent(commandEvent);
1680                     }
1681                 }
1682             }
1683
1684             // Find a child matching the command id
1685             wxWindow* child = parent->FindWindow(entry->GetCommand());
1686
1687             // No such child
1688             if (!child)
1689                 return FALSE;
1690
1691             // Now we process those kinds of windows that we can.
1692             // For now, only buttons.
1693             if ( wxDynamicCast(child, wxButton) )
1694             {
1695                 wxCommandEvent commandEvent (wxEVT_COMMAND_BUTTON_CLICKED, child->GetId());
1696                 commandEvent.SetEventObject(child);
1697                 return child->GetEventHandler()->ProcessEvent(commandEvent);
1698             }
1699
1700             return FALSE;
1701         } // matches event
1702     }// for
1703
1704     // We didn't match the key event against an accelerator.
1705     return FALSE;
1706 }
1707
1708 // ============================================================================
1709 // Motif-specific stuff from here on
1710 // ============================================================================
1711
1712 // ----------------------------------------------------------------------------
1713 // function which maintain the global hash table mapping Widgets to wxWindows
1714 // ----------------------------------------------------------------------------
1715
1716 bool wxAddWindowToTable(Widget w, wxWindow *win)
1717 {
1718     wxWindow *oldItem = NULL;
1719     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1720     {
1721         wxLogDebug("Widget table clash: new widget is %ld, %s",
1722                    (long)w, win->GetClassInfo()->GetClassName());
1723         return FALSE;
1724     }
1725
1726     wxWidgetHashTable->Put((long) w, win);
1727
1728     wxLogTrace("widget", "Widget 0x%08x <-> window %p (%s)",
1729                w, win, win->GetClassInfo()->GetClassName());
1730
1731     return TRUE;
1732 }
1733
1734 wxWindow *wxGetWindowFromTable(Widget w)
1735 {
1736     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1737 }
1738
1739 void wxDeleteWindowFromTable(Widget w)
1740 {
1741     wxWidgetHashTable->Delete((long)w);
1742 }
1743
1744 // ----------------------------------------------------------------------------
1745 // add/remove window from the table
1746 // ----------------------------------------------------------------------------
1747
1748 // Add to hash table, add event handler
1749 bool wxWindow::AttachWidget (wxWindow* WXUNUSED(parent), WXWidget mainWidget,
1750                              WXWidget formWidget, int x, int y, int width, int height)
1751 {
1752     wxAddWindowToTable((Widget) mainWidget, this);
1753     if (CanAddEventHandler())
1754     {
1755         XtAddEventHandler((Widget) mainWidget,
1756             ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1757             False,
1758             wxPanelItemEventHandler,
1759             (XtPointer) this);
1760     }
1761
1762     if (!formWidget)
1763     {
1764         XtTranslations ptr;
1765         XtOverrideTranslations ((Widget) mainWidget,
1766             ptr = XtParseTranslationTable ("<Configure>: resize()"));
1767         XtFree ((char *) ptr);
1768     }
1769
1770     // Some widgets have a parent form widget, e.g. wxRadioBox
1771     if (formWidget)
1772     {
1773         if (!wxAddWindowToTable((Widget) formWidget, this))
1774             return FALSE;
1775
1776         XtTranslations ptr;
1777         XtOverrideTranslations ((Widget) formWidget,
1778             ptr = XtParseTranslationTable ("<Configure>: resize()"));
1779         XtFree ((char *) ptr);
1780     }
1781
1782     if (x == -1)
1783         x = 0;
1784     if (y == -1)
1785         y = 0;
1786     SetSize (x, y, width, height);
1787
1788     return TRUE;
1789 }
1790
1791 // Remove event handler, remove from hash table
1792 bool wxWindow::DetachWidget(WXWidget widget)
1793 {
1794     if (CanAddEventHandler())
1795     {
1796         XtRemoveEventHandler((Widget) widget,
1797             ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1798             False,
1799             wxPanelItemEventHandler,
1800             (XtPointer)this);
1801     }
1802
1803     wxDeleteWindowFromTable((Widget) widget);
1804     return TRUE;
1805 }
1806
1807 // ----------------------------------------------------------------------------
1808 // Motif-specific accessors
1809 // ----------------------------------------------------------------------------
1810
1811 // Get the underlying X window
1812 WXWindow wxWindow::GetXWindow() const
1813 {
1814     Widget wMain = (Widget)GetMainWidget();
1815     if ( wMain )
1816         return (WXWindow) XtWindow(wMain);
1817     else
1818         return (WXWindow) 0;
1819 }
1820
1821 // Get the underlying X display
1822 WXDisplay *wxWindow::GetXDisplay() const
1823 {
1824     Widget wMain = (Widget)GetMainWidget();
1825     if ( wMain )
1826         return (WXDisplay*) XtDisplay(wMain);
1827     else
1828         return (WXDisplay*) NULL;
1829 }
1830
1831 WXWidget wxWindow::GetMainWidget() const
1832 {
1833     if (m_drawingArea)
1834         return m_drawingArea;
1835     else
1836         return m_mainWidget;
1837 }
1838
1839 WXWidget wxWindow::GetClientWidget() const
1840 {
1841     if (m_drawingArea != (WXWidget) 0)
1842         return m_drawingArea;
1843     else
1844         return GetMainWidget();
1845 }
1846
1847 WXWidget wxWindow::GetTopWidget() const
1848 {
1849     return GetMainWidget();
1850 }
1851
1852 WXWidget wxWindow::GetLabelWidget() const
1853 {
1854     return GetMainWidget();
1855 }
1856
1857 // ----------------------------------------------------------------------------
1858 // Motif callbacks
1859 // ----------------------------------------------------------------------------
1860
1861 // All widgets should have this as their resize proc.
1862 // OnSize sent to wxWindow via client data.
1863 void wxWidgetResizeProc(Widget w, XConfigureEvent *WXUNUSED(event), String WXUNUSED(args)[], int *WXUNUSED(num_args))
1864 {
1865     wxWindow *win = wxGetWindowFromTable(w);
1866     if (!win)
1867         return;
1868
1869     if (win->PreResize())
1870     {
1871         int width, height;
1872         win->GetSize(&width, &height);
1873         wxSizeEvent sizeEvent(wxSize(width, height), win->GetId());
1874         sizeEvent.SetEventObject(win);
1875         win->GetEventHandler()->ProcessEvent(sizeEvent);
1876     }
1877 }
1878
1879 static void wxCanvasRepaintProc(Widget drawingArea,
1880                                 XtPointer clientData,
1881                                 XmDrawingAreaCallbackStruct * cbs)
1882 {
1883     if (!wxGetWindowFromTable(drawingArea))
1884         return;
1885
1886     XEvent * event = cbs->event;
1887     wxWindow * win = (wxWindow *) clientData;
1888
1889     switch (event->type)
1890     {
1891     case Expose:
1892         {
1893             win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
1894                                event->xexpose.width, event->xexpose.height);
1895
1896             if (event -> xexpose.count == 0)
1897             {
1898                 win->DoPaint();
1899                 win->ClearUpdateRects();
1900             }
1901             break;
1902         }
1903     }
1904 }
1905
1906 // Unable to deal with Enter/Leave without a separate EventHandler (Motif 1.1.4)
1907 static void wxCanvasEnterLeave(Widget drawingArea,
1908                                XtPointer WXUNUSED(clientData),
1909                                XCrossingEvent * event)
1910 {
1911     XmDrawingAreaCallbackStruct cbs;
1912     XEvent ev;
1913
1914     ((XCrossingEvent &) ev) = *event;
1915
1916     cbs.reason = XmCR_INPUT;
1917     cbs.event = &ev;
1918
1919     wxCanvasInputEvent(drawingArea, (XtPointer) NULL, &cbs);
1920 }
1921
1922 // Fix to make it work under Motif 1.0 (!)
1923 static void wxCanvasMotionEvent (Widget WXUNUSED(drawingArea), XButtonEvent * WXUNUSED(event))
1924 {
1925 #if XmVersion <= 1000
1926     XmDrawingAreaCallbackStruct cbs;
1927     XEvent ev;
1928
1929     ev = *((XEvent *) event);
1930     cbs.reason = XmCR_INPUT;
1931     cbs.event = &ev;
1932
1933     wxCanvasInputEvent (drawingArea, (XtPointer) NULL, &cbs);
1934 #endif // XmVersion <= 1000
1935 }
1936
1937 static void wxCanvasInputEvent(Widget drawingArea,
1938                                XtPointer WXUNUSED(data),
1939                                XmDrawingAreaCallbackStruct * cbs)
1940 {
1941     wxWindow *canvas = wxGetWindowFromTable(drawingArea);
1942     XEvent local_event;
1943
1944     if (canvas==NULL)
1945         return;
1946
1947     if (cbs->reason != XmCR_INPUT)
1948         return;
1949
1950     local_event = *(cbs->event);    // We must keep a copy!
1951
1952     switch (local_event.xany.type)
1953     {
1954     case EnterNotify:
1955     case LeaveNotify:
1956     case ButtonPress:
1957     case ButtonRelease:
1958     case MotionNotify:
1959         {
1960             // FIXME: most of this mouse event code is more or less
1961             // duplicated in wxTranslateMouseEvent
1962             //
1963             wxEventType eventType = wxEVT_NULL;
1964
1965             if (local_event.xany.type == EnterNotify)
1966             {
1967                 //if (local_event.xcrossing.mode!=NotifyNormal)
1968                 //  return ; // Ignore grab events
1969                 eventType = wxEVT_ENTER_WINDOW;
1970                 //            canvas->GetEventHandler()->OnSetFocus();
1971             }
1972             else if (local_event.xany.type == LeaveNotify)
1973             {
1974                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1975                 //  return ; // Ignore grab events
1976                 eventType = wxEVT_LEAVE_WINDOW;
1977                 //            canvas->GetEventHandler()->OnKillFocus();
1978             }
1979             else if (local_event.xany.type == MotionNotify)
1980             {
1981                 eventType = wxEVT_MOTION;
1982             }
1983
1984             else if (local_event.xany.type == ButtonPress)
1985             {
1986                 if (local_event.xbutton.button == Button1)
1987                 {
1988                     eventType = wxEVT_LEFT_DOWN;
1989                     canvas->SetButton1(TRUE);
1990                 }
1991                 else if (local_event.xbutton.button == Button2)
1992                 {
1993                     eventType = wxEVT_MIDDLE_DOWN;
1994                     canvas->SetButton2(TRUE);
1995                 }
1996                 else if (local_event.xbutton.button == Button3)
1997                 {
1998                     eventType = wxEVT_RIGHT_DOWN;
1999                     canvas->SetButton3(TRUE);
2000                 }
2001             }
2002             else if (local_event.xany.type == ButtonRelease)
2003             {
2004                 if (local_event.xbutton.button == Button1)
2005                 {
2006                     eventType = wxEVT_LEFT_UP;
2007                     canvas->SetButton1(FALSE);
2008                 }
2009                 else if (local_event.xbutton.button == Button2)
2010                 {
2011                     eventType = wxEVT_MIDDLE_UP;
2012                     canvas->SetButton2(FALSE);
2013                 }
2014                 else if (local_event.xbutton.button == Button3)
2015                 {
2016                     eventType = wxEVT_RIGHT_UP;
2017                     canvas->SetButton3(FALSE);
2018                 }
2019             }
2020
2021             wxMouseEvent wxevent (eventType);
2022
2023             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2024                 || (event_left_is_down (&local_event)
2025                 && (eventType != wxEVT_LEFT_UP)));
2026             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2027                 || (event_middle_is_down (&local_event)
2028                 && (eventType != wxEVT_MIDDLE_UP)));
2029             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2030                 || (event_right_is_down (&local_event)
2031                 && (eventType != wxEVT_RIGHT_UP)));
2032
2033             wxevent.m_shiftDown = local_event.xbutton.state & ShiftMask;
2034             wxevent.m_controlDown = local_event.xbutton.state & ControlMask;
2035             wxevent.m_altDown = local_event.xbutton.state & Mod3Mask;
2036             wxevent.m_metaDown = local_event.xbutton.state & Mod1Mask;
2037             wxevent.SetTimestamp(local_event.xbutton.time);
2038
2039            if ( eventType == wxEVT_MOTION )
2040            {
2041                 if (local_event.xmotion.is_hint == NotifyHint)
2042                 {
2043                     Window root, child;
2044                     Display *dpy = XtDisplay (drawingArea);
2045
2046                     XQueryPointer (dpy, XtWindow (drawingArea),
2047                         &root, &child,
2048                         &local_event.xmotion.x_root,
2049                         &local_event.xmotion.y_root,
2050                         &local_event.xmotion.x,
2051                         &local_event.xmotion.y,
2052                         &local_event.xmotion.state);
2053                 }
2054                 else
2055                 {
2056                 }
2057            }
2058
2059             // Now check if we need to translate this event into a double click
2060             if (TRUE) // canvas->doubleClickAllowed)
2061             {
2062                 if (wxevent.ButtonDown())
2063                 {
2064                     long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2065
2066                     // get button and time-stamp
2067                     int button = 0;
2068                     if (wxevent.LeftDown())
2069                         button = 1;
2070                     else if (wxevent.MiddleDown())
2071                         button = 2;
2072                     else if (wxevent.RightDown())
2073                         button = 3;
2074                     long ts = wxevent.GetTimestamp();
2075
2076                     // check, if single or double click
2077                     int buttonLast = canvas->GetLastClickedButton();
2078                     long lastTS = canvas->GetLastClickTime();
2079                     if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2080                     {
2081                         // I have a dclick
2082                         canvas->SetLastClick(0, ts);
2083                         switch ( eventType )
2084                         {
2085                         case wxEVT_LEFT_DOWN:
2086                             wxevent.SetEventType(wxEVT_LEFT_DCLICK);
2087                             break;
2088                         case wxEVT_MIDDLE_DOWN:
2089                             wxevent.SetEventType(wxEVT_MIDDLE_DCLICK);
2090                             break;
2091                         case wxEVT_RIGHT_DOWN:
2092                             wxevent.SetEventType(wxEVT_RIGHT_DCLICK);
2093                             break;
2094
2095                         default :
2096                             break;
2097                         }
2098
2099                     }
2100                     else
2101                     {
2102                         // not fast enough or different button
2103                         canvas->SetLastClick(button, ts);
2104                     }
2105                 }
2106             }
2107
2108             wxevent.SetId(canvas->GetId());
2109             wxevent.SetEventObject(canvas);
2110             wxevent.m_x = local_event.xbutton.x;
2111             wxevent.m_y = local_event.xbutton.y;
2112             canvas->GetEventHandler()->ProcessEvent (wxevent);
2113 #if 0
2114             if (eventType == wxEVT_ENTER_WINDOW ||
2115                     eventType == wxEVT_LEAVE_WINDOW ||
2116                     eventType == wxEVT_MOTION
2117                )
2118                 return;
2119 #endif // 0
2120             break;
2121       }
2122     case KeyPress:
2123         {
2124             KeySym keySym;
2125 #if 0
2126             XComposeStatus compose;
2127             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, &compose);
2128 #endif // 0
2129
2130             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2131             int id = wxCharCodeXToWX (keySym);
2132
2133             wxEventType eventType = wxEVT_CHAR;
2134
2135             wxKeyEvent event (eventType);
2136
2137             if (local_event.xkey.state & ShiftMask)
2138                 event.m_shiftDown = TRUE;
2139             if (local_event.xkey.state & ControlMask)
2140                 event.m_controlDown = TRUE;
2141             if (local_event.xkey.state & Mod3Mask)
2142                 event.m_altDown = TRUE;
2143             if (local_event.xkey.state & Mod1Mask)
2144                 event.m_metaDown = TRUE;
2145             event.SetEventObject(canvas);
2146             event.m_keyCode = id;
2147             event.SetTimestamp(local_event.xkey.time);
2148
2149             if (id > -1)
2150             {
2151                 // Implement wxFrame::OnCharHook by checking ancestor.
2152                 wxWindow *parent = canvas->GetParent();
2153                 while (parent && !parent->IsKindOf(CLASSINFO(wxFrame)))
2154                     parent = parent->GetParent();
2155
2156                 if (parent)
2157                 {
2158                     event.SetEventType(wxEVT_CHAR_HOOK);
2159                     if (parent->GetEventHandler()->ProcessEvent(event))
2160                         return;
2161                 }
2162
2163                 // For simplicity, OnKeyDown is the same as OnChar
2164                 // TODO: filter modifier key presses from OnChar
2165                 event.SetEventType(wxEVT_KEY_DOWN);
2166
2167                 // Only process OnChar if OnKeyDown didn't swallow it
2168                 if (!canvas->GetEventHandler()->ProcessEvent (event))
2169                 {
2170                   event.SetEventType(wxEVT_CHAR);
2171                   canvas->GetEventHandler()->ProcessEvent (event);
2172         }
2173             }
2174             break;
2175         }
2176     case KeyRelease:
2177         {
2178             KeySym keySym;
2179             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2180             int id = wxCharCodeXToWX (keySym);
2181
2182             wxKeyEvent event (wxEVT_KEY_UP);
2183
2184             if (local_event.xkey.state & ShiftMask)
2185                 event.m_shiftDown = TRUE;
2186             if (local_event.xkey.state & ControlMask)
2187                 event.m_controlDown = TRUE;
2188             if (local_event.xkey.state & Mod3Mask)
2189                 event.m_altDown = TRUE;
2190             if (local_event.xkey.state & Mod1Mask)
2191                 event.m_metaDown = TRUE;
2192             event.SetEventObject(canvas);
2193             event.m_keyCode = id;
2194             event.SetTimestamp(local_event.xkey.time);
2195
2196             if (id > -1)
2197             {
2198                 canvas->GetEventHandler()->ProcessEvent (event);
2199             }
2200             break;
2201         }
2202     case FocusIn:
2203         {
2204             if (local_event.xfocus.detail != NotifyPointer)
2205             {
2206                 wxFocusEvent event(wxEVT_SET_FOCUS, canvas->GetId());
2207                 event.SetEventObject(canvas);
2208                 canvas->GetEventHandler()->ProcessEvent(event);
2209             }
2210             break;
2211         }
2212     case FocusOut:
2213         {
2214             if (local_event.xfocus.detail != NotifyPointer)
2215             {
2216                 wxFocusEvent event(wxEVT_KILL_FOCUS, canvas->GetId());
2217                 event.SetEventObject(canvas);
2218                 canvas->GetEventHandler()->ProcessEvent(event);
2219             }
2220             break;
2221         }
2222     default:
2223         break;
2224     }
2225 }
2226
2227 static void wxPanelItemEventHandler(Widget    wid,
2228                                     XtPointer WXUNUSED(client_data),
2229                                     XEvent*   event,
2230                                     Boolean  *continueToDispatch)
2231 {
2232     // Widget can be a label or the actual widget.
2233
2234     wxWindow *window = wxGetWindowFromTable(wid);
2235     if (window)
2236     {
2237         wxMouseEvent wxevent(0);
2238         if (wxTranslateMouseEvent(wxevent, window, wid, event))
2239         {
2240             window->GetEventHandler()->ProcessEvent(wxevent);
2241         }
2242     }
2243
2244     // TODO: probably the key to allowing default behaviour to happen. Say we
2245     // set a m_doDefault flag to FALSE at the start of this function. Then in
2246     // e.g. wxWindow::OnMouseEvent we can call Default() which sets this flag to
2247     // TRUE, indicating that default processing can happen. Thus, behaviour can
2248     // appear to be overridden just by adding an event handler and not calling
2249     // wxWindow::OnWhatever. ALSO, maybe we can use this instead of the current
2250     // way of handling drawing area events, to simplify things.
2251     *continueToDispatch = True;
2252 }
2253
2254 static void wxScrollBarCallback(Widget scrollbar,
2255                                 XtPointer clientData,
2256                                 XmScrollBarCallbackStruct *cbs)
2257 {
2258     wxWindow *win = wxGetWindowFromTable(scrollbar);
2259     int orientation = (int) clientData;
2260
2261     wxEventType eventType = wxEVT_NULL;
2262     switch (cbs->reason)
2263     {
2264     case XmCR_INCREMENT:
2265         {
2266             eventType = wxEVT_SCROLLWIN_LINEDOWN;
2267             break;
2268         }
2269     case XmCR_DECREMENT:
2270         {
2271             eventType = wxEVT_SCROLLWIN_LINEUP;
2272             break;
2273         }
2274     case XmCR_DRAG:
2275         {
2276             eventType = wxEVT_SCROLLWIN_THUMBTRACK;
2277             break;
2278         }
2279     case XmCR_VALUE_CHANGED:
2280         {
2281             eventType = wxEVT_SCROLLWIN_THUMBRELEASE;
2282             break;
2283         }
2284     case XmCR_PAGE_INCREMENT:
2285         {
2286             eventType = wxEVT_SCROLLWIN_PAGEDOWN;
2287             break;
2288         }
2289     case XmCR_PAGE_DECREMENT:
2290         {
2291             eventType = wxEVT_SCROLLWIN_PAGEUP;
2292             break;
2293         }
2294     case XmCR_TO_TOP:
2295         {
2296             eventType = wxEVT_SCROLLWIN_TOP;
2297             break;
2298         }
2299     case XmCR_TO_BOTTOM:
2300         {
2301             eventType = wxEVT_SCROLLWIN_BOTTOM;
2302             break;
2303         }
2304     default:
2305         {
2306             // Should never get here
2307             wxFAIL_MSG("Unknown scroll event.");
2308             break;
2309         }
2310     }
2311
2312     wxScrollWinEvent event(eventType,
2313                            cbs->value,
2314                            ((orientation == XmHORIZONTAL) ?
2315                             wxHORIZONTAL : wxVERTICAL));
2316     event.SetEventObject( win );
2317     win->GetEventHandler()->ProcessEvent(event);
2318 }
2319
2320 // For repainting arbitrary windows
2321 void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event, char *)
2322 {
2323     Window window;
2324     Display *display;
2325
2326     wxWindow* win = wxGetWindowFromTable(w);
2327     if (!win)
2328         return;
2329
2330     switch(event -> type)
2331     {
2332     case Expose:
2333         {
2334             window = (Window) win -> GetXWindow();
2335             display = (Display *) win -> GetXDisplay();
2336
2337             if (event -> xexpose.count == 0)
2338             {
2339                 win->DoPaint();
2340
2341                 win->ClearUpdateRects();
2342             }
2343             else
2344             {
2345                 win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
2346                                    event->xexpose.width, event->xexpose.height);
2347             }
2348
2349             break;
2350         }
2351     }
2352 }
2353
2354 // ----------------------------------------------------------------------------
2355 // CanvaseXXXSize() functions
2356 // ----------------------------------------------------------------------------
2357
2358 // SetSize, but as per old wxCanvas (with drawing widget etc.)
2359 void wxWindow::CanvasSetSize (int x, int y, int w, int h, int sizeFlags)
2360 {
2361     // A bit of optimization to help sort out the flickers.
2362     int oldX, oldY, oldW, oldH;
2363     GetSize(& oldW, & oldH);
2364     GetPosition(& oldX, & oldY);
2365
2366     bool useOldPos = FALSE;
2367     bool useOldSize = FALSE;
2368
2369     if ((x == -1) && (x == -1) && ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0))
2370         useOldPos = TRUE;
2371     else if (x == oldX && y == oldY)
2372         useOldPos = TRUE;
2373
2374     if ((w == -1) && (h == -1))
2375         useOldSize = TRUE;
2376     else if (w == oldW && h == oldH)
2377         useOldSize = TRUE;
2378
2379     if (!wxNoOptimize::CanOptimize())
2380     {
2381         useOldSize = FALSE; useOldPos = FALSE;
2382     }
2383
2384     if (useOldPos && useOldSize)
2385         return;
2386
2387     Widget drawingArea = (Widget) m_drawingArea;
2388     bool managed = XtIsManaged(m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2389
2390     if (managed)
2391         XtUnmanageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2392     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2393
2394     int xx = x; int yy = y;
2395     AdjustForParentClientOrigin(xx, yy, sizeFlags);
2396
2397     if (!useOldPos)
2398     {
2399         if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2400         {
2401             XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2402                 XmNx, xx, NULL);
2403         }
2404
2405         if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2406         {
2407             XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2408                 XmNy, yy, NULL);
2409         }
2410     }
2411
2412     if (!useOldSize)
2413     {
2414
2415         if (w > -1)
2416         {
2417             if (m_borderWidget)
2418             {
2419                 XtVaSetValues ((Widget) m_borderWidget, XmNwidth, w, NULL);
2420                 short thick, margin;
2421                 XtVaGetValues ((Widget) m_borderWidget,
2422                     XmNshadowThickness, &thick,
2423                     XmNmarginWidth, &margin,
2424                     NULL);
2425                 w -= 2 * (thick + margin);
2426             }
2427
2428             XtVaSetValues ((Widget) m_scrolledWindow, XmNwidth, w, NULL);
2429
2430             Dimension spacing;
2431             Widget sbar;
2432             XtVaGetValues ((Widget) m_scrolledWindow,
2433                 XmNspacing, &spacing,
2434                 XmNverticalScrollBar, &sbar,
2435                 NULL);
2436             Dimension wsbar;
2437             if (sbar)
2438                 XtVaGetValues (sbar, XmNwidth, &wsbar, NULL);
2439             else
2440                 wsbar = 0;
2441
2442             w -= (spacing + wsbar);
2443
2444 #if 0
2445             XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2446 #endif // 0
2447         }
2448         if (h > -1)
2449         {
2450             if (m_borderWidget)
2451             {
2452                 XtVaSetValues ((Widget) m_borderWidget, XmNheight, h, NULL);
2453                 short thick, margin;
2454                 XtVaGetValues ((Widget) m_borderWidget,
2455                     XmNshadowThickness, &thick,
2456                     XmNmarginHeight, &margin,
2457                     NULL);
2458                 h -= 2 * (thick + margin);
2459             }
2460
2461             XtVaSetValues ((Widget) m_scrolledWindow, XmNheight, h, NULL);
2462
2463             Dimension spacing;
2464             Widget sbar;
2465             XtVaGetValues ((Widget) m_scrolledWindow,
2466                 XmNspacing, &spacing,
2467                 XmNhorizontalScrollBar, &sbar,
2468                 NULL);
2469             Dimension wsbar;
2470             if (sbar)
2471                 XtVaGetValues (sbar, XmNheight, &wsbar, NULL);
2472             else
2473                 wsbar = 0;
2474
2475             h -= (spacing + wsbar);
2476
2477 #if 0
2478             XtVaSetValues(drawingArea, XmNheight, h, NULL);
2479 #endif // 0
2480         }
2481     }
2482
2483     if (managed)
2484         XtManageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2485     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2486
2487 #if 0
2488     int ww, hh;
2489     GetClientSize (&ww, &hh);
2490     wxSizeEvent sizeEvent(wxSize(ww, hh), GetId());
2491     sizeEvent.SetEventObject(this);
2492
2493     GetEventHandler()->ProcessEvent(sizeEvent);
2494 #endif // 0
2495 }
2496
2497 void wxWindow::CanvasSetClientSize (int w, int h)
2498 {
2499     Widget drawingArea = (Widget) m_drawingArea;
2500
2501     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2502
2503     if (w > -1)
2504         XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2505     if (h > -1)
2506         XtVaSetValues(drawingArea, XmNheight, h, NULL);
2507
2508 #if 0
2509     // TODO: is this necessary?
2510     allowRepainting = FALSE;
2511
2512     XSync (XtDisplay (drawingArea), FALSE);
2513     XEvent event;
2514     while (XtAppPending (wxTheApp->appContext))
2515     {
2516         XFlush (XtDisplay (drawingArea));
2517         XtAppNextEvent (wxTheApp->appContext, &event);
2518         XtDispatchEvent (&event);
2519     }
2520 #endif // 0
2521
2522     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2523
2524 #if 0
2525     allowRepainting = TRUE;
2526     DoRefresh ();
2527
2528     wxSizeEvent sizeEvent(wxSize(w, h), GetId());
2529     sizeEvent.SetEventObject(this);
2530
2531     GetEventHandler()->ProcessEvent(sizeEvent);
2532 #endif // 0
2533 }
2534
2535 void wxWindow::CanvasGetClientSize (int *w, int *h) const
2536 {
2537     // Must return the same thing that was set via SetClientSize
2538     Dimension xx, yy;
2539     XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2540     *w = xx;
2541     *h = yy;
2542 }
2543
2544 void wxWindow::CanvasGetSize (int *w, int *h) const
2545 {
2546     Dimension xx, yy;
2547     if ((Widget) m_borderWidget)
2548         XtVaGetValues ((Widget) m_borderWidget, XmNwidth, &xx, XmNheight, &yy, NULL);
2549     else if ((Widget) m_scrolledWindow)
2550         XtVaGetValues ((Widget) m_scrolledWindow, XmNwidth, &xx, XmNheight, &yy, NULL);
2551     else
2552         XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2553
2554     *w = xx;
2555     *h = yy;
2556 }
2557
2558 void wxWindow::CanvasGetPosition (int *x, int *y) const
2559 {
2560     Position xx, yy;
2561     XtVaGetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow, XmNx, &xx, XmNy, &yy, NULL);
2562
2563     // We may be faking the client origin.
2564     // So a window that's really at (0, 30) may appear
2565     // (to wxWin apps) to be at (0, 0).
2566     if (GetParent())
2567     {
2568         wxPoint pt(GetParent()->GetClientAreaOrigin());
2569         xx -= pt.x;
2570         yy -= pt.y;
2571     }
2572
2573     *x = xx;
2574     *y = yy;
2575 }
2576
2577 // ----------------------------------------------------------------------------
2578 // TranslateXXXEvent() functions
2579 // ----------------------------------------------------------------------------
2580
2581 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent)
2582 {
2583     switch (xevent->xany.type)
2584     {
2585         case EnterNotify:  // never received here - yes ? MB
2586         case LeaveNotify:  // never received here - yes ? MB
2587         case ButtonPress:
2588         case ButtonRelease:
2589         case MotionNotify:
2590         {
2591             wxEventType eventType = wxEVT_NULL;
2592
2593             // FIXME: this is never true I think - MB
2594             //
2595             if (xevent->xany.type == LeaveNotify)
2596             {
2597                 win->SetButton1(FALSE);
2598                 win->SetButton2(FALSE);
2599                 win->SetButton3(FALSE);
2600                 return FALSE;
2601             }
2602             else if (xevent->xany.type == MotionNotify)
2603             {
2604                 eventType = wxEVT_MOTION;
2605             }
2606             else if (xevent->xany.type == ButtonPress)
2607             {
2608                 wxevent.SetTimestamp(xevent->xbutton.time);
2609                 int button = 0;
2610                 if (xevent->xbutton.button == Button1)
2611                 {
2612                     eventType = wxEVT_LEFT_DOWN;
2613                     win->SetButton1(TRUE);
2614                     button = 1;
2615                 }
2616                 else if (xevent->xbutton.button == Button2)
2617                 {
2618                     eventType = wxEVT_MIDDLE_DOWN;
2619                     win->SetButton2(TRUE);
2620                     button = 2;
2621                 }
2622                 else if (xevent->xbutton.button == Button3)
2623                 {
2624                     eventType = wxEVT_RIGHT_DOWN;
2625                     win->SetButton3(TRUE);
2626                     button = 3;
2627                 }
2628
2629                 // check for a double click
2630                 //
2631                 long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2632                 long ts = wxevent.GetTimestamp();
2633
2634                 int buttonLast = win->GetLastClickedButton();
2635                 long lastTS = win->GetLastClickTime();
2636                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2637                 {
2638                     // I have a dclick
2639                     win->SetLastClick(0, ts);
2640                     switch ( eventType )
2641                     {
2642                         case wxEVT_LEFT_DOWN:
2643                             eventType = wxEVT_LEFT_DCLICK;
2644                             break;
2645                         case wxEVT_MIDDLE_DOWN:
2646                             eventType = wxEVT_MIDDLE_DCLICK;
2647                             break;
2648                         case wxEVT_RIGHT_DOWN:
2649                             eventType = wxEVT_RIGHT_DCLICK;
2650                             break;
2651
2652                         default :
2653                             break;
2654                     }
2655
2656                 }
2657                 else
2658                 {
2659                     // not fast enough or different button
2660                     win->SetLastClick(button, ts);
2661                 }
2662             }
2663             else if (xevent->xany.type == ButtonRelease)
2664             {
2665                 if (xevent->xbutton.button == Button1)
2666                 {
2667                     eventType = wxEVT_LEFT_UP;
2668                     win->SetButton1(FALSE);
2669                 }
2670                 else if (xevent->xbutton.button == Button2)
2671                 {
2672                     eventType = wxEVT_MIDDLE_UP;
2673                     win->SetButton2(FALSE);
2674                 }
2675                 else if (xevent->xbutton.button == Button3)
2676                 {
2677                     eventType = wxEVT_RIGHT_UP;
2678                     win->SetButton3(FALSE);
2679                 }
2680                 else return FALSE;
2681             }
2682             else
2683             {
2684                 return FALSE;
2685             }
2686
2687             wxevent.SetEventType(eventType);
2688
2689             Position x1, y1;
2690             XtVaGetValues(widget, XmNx, &x1, XmNy, &y1, NULL);
2691
2692             int x2, y2;
2693             win->GetPosition(&x2, &y2);
2694
2695             // The button x/y must be translated to wxWindows
2696             // window space - the widget might be a label or button,
2697             // within a form.
2698             int dx = 0;
2699             int dy = 0;
2700             if (widget != (Widget)win->GetMainWidget())
2701             {
2702                 dx = x1;
2703                 dy = y1;
2704             }
2705
2706             wxevent.m_x = xevent->xbutton.x + dx;
2707             wxevent.m_y = xevent->xbutton.y + dy;
2708
2709             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2710                 || (event_left_is_down (xevent)
2711                 && (eventType != wxEVT_LEFT_UP)));
2712             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2713                 || (event_middle_is_down (xevent)
2714                 && (eventType != wxEVT_MIDDLE_UP)));
2715             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2716                 || (event_right_is_down (xevent)
2717                 && (eventType != wxEVT_RIGHT_UP)));
2718
2719             wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
2720             wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
2721             wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
2722             wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
2723
2724             wxevent.SetId(win->GetId());
2725             wxevent.SetEventObject(win);
2726
2727             return TRUE;
2728         }
2729     }
2730     return FALSE;
2731 }
2732
2733 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget WXUNUSED(widget), XEvent *xevent)
2734 {
2735     switch (xevent->xany.type)
2736     {
2737     case KeyPress:
2738     case KeyRelease:
2739         {
2740             char buf[20];
2741
2742             KeySym keySym;
2743 #if 0
2744             XComposeStatus compose;
2745             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, &compose);
2746 #endif // 0
2747             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
2748             int id = wxCharCodeXToWX (keySym);
2749
2750             if (xevent->xkey.state & ShiftMask)
2751                 wxevent.m_shiftDown = TRUE;
2752             if (xevent->xkey.state & ControlMask)
2753                 wxevent.m_controlDown = TRUE;
2754             if (xevent->xkey.state & Mod3Mask)
2755                 wxevent.m_altDown = TRUE;
2756             if (xevent->xkey.state & Mod1Mask)
2757                 wxevent.m_metaDown = TRUE;
2758             wxevent.SetEventObject(win);
2759             wxevent.m_keyCode = id;
2760             wxevent.SetTimestamp(xevent->xkey.time);
2761
2762             wxevent.m_x = xevent->xbutton.x;
2763             wxevent.m_y = xevent->xbutton.y;
2764
2765             if (id > -1)
2766                 return TRUE;
2767             else
2768                 return FALSE;
2769             break;
2770         }
2771     default:
2772         break;
2773     }
2774     return FALSE;
2775 }
2776
2777 // ----------------------------------------------------------------------------
2778 // Colour stuff
2779 // ----------------------------------------------------------------------------
2780
2781 #define YAllocColor XAllocColor
2782 XColor g_itemColors[5];
2783 int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
2784 {
2785     int result;
2786     static XmColorProc colorProc;
2787
2788     result = wxNO_COLORS;
2789
2790     if (back)
2791     {
2792         g_itemColors[0].red = (((long) back->Red ()) << 8);
2793         g_itemColors[0].green = (((long) back->Green ()) << 8);
2794         g_itemColors[0].blue = (((long) back->Blue ()) << 8);
2795         g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
2796         if (colorProc == (XmColorProc) NULL)
2797         {
2798             // Get a ptr to the actual function
2799             colorProc = XmSetColorCalculation ((XmColorProc) NULL);
2800             // And set it back to motif.
2801             XmSetColorCalculation (colorProc);
2802         }
2803         (*colorProc) (&g_itemColors[wxBACK_INDEX],
2804             &g_itemColors[wxFORE_INDEX],
2805             &g_itemColors[wxSELE_INDEX],
2806             &g_itemColors[wxTOPS_INDEX],
2807             &g_itemColors[wxBOTS_INDEX]);
2808         result = wxBACK_COLORS;
2809     }
2810     if (fore)
2811     {
2812         g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
2813         g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
2814         g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
2815         g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
2816         if (result == wxNO_COLORS)
2817             result = wxFORE_COLORS;
2818     }
2819
2820     Display *dpy = display;
2821     Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
2822
2823     if (back)
2824     {
2825         /* 5 Colours to allocate */
2826         for (int i = 0; i < 5; i++)
2827             if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
2828                 result = wxNO_COLORS;
2829     }
2830     else if (fore)
2831     {
2832         /* Only 1 colour to allocate */
2833         if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
2834             result = wxNO_COLORS;
2835     }
2836
2837     return (result);
2838
2839 }
2840
2841 // Changes the foreground and background colours to be derived from the current
2842 // background colour. To change the foreground colour, you must call
2843 // SetForegroundColour explicitly.
2844 void wxWindow::ChangeBackgroundColour()
2845 {
2846     WXWidget mainWidget = GetMainWidget();
2847     if ( mainWidget )
2848         DoChangeBackgroundColour(mainWidget, m_backgroundColour);
2849
2850     // This not necessary
2851 #if 0
2852
2853     if (m_scrolledWindow && (GetMainWidget() != m_scrolledWindow))
2854     {
2855         DoChangeBackgroundColour(m_scrolledWindow, m_backgroundColour);
2856         // Have to set the scrollbar colours back since
2857         // the scrolled window seemed to change them
2858         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
2859
2860         if (m_hScrollBar)
2861             DoChangeBackgroundColour(m_hScrollBar, backgroundColour);
2862         if (m_vScrollBar)
2863             DoChangeBackgroundColour(m_vScrollBar, backgroundColour);
2864     }
2865 #endif
2866 }
2867
2868 void wxWindow::ChangeForegroundColour()
2869 {
2870     WXWidget mainWidget = GetMainWidget();
2871     if ( mainWidget )
2872         DoChangeForegroundColour(mainWidget, m_foregroundColour);
2873     if ( m_scrolledWindow && mainWidget != m_scrolledWindow )
2874         DoChangeForegroundColour(m_scrolledWindow, m_foregroundColour);
2875 }
2876
2877 // Change a widget's foreground and background colours.
2878 void wxWindow::DoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
2879 {
2880     // When should we specify the foreground, if it's calculated
2881     // by wxComputeColours?
2882     // Solution: say we start with the default (computed) foreground colour.
2883     // If we call SetForegroundColour explicitly for a control or window,
2884     // then the foreground is changed.
2885     // Therefore SetBackgroundColour computes the foreground colour, and
2886     // SetForegroundColour changes the foreground colour. The ordering is
2887     // important.
2888
2889     Widget w = (Widget)widget;
2890     XtVaSetValues(
2891                   w,
2892                   XmNforeground, foregroundColour.AllocColour(XtDisplay(w)),
2893                   NULL
2894                  );
2895 }
2896
2897 void wxWindow::DoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour)
2898 {
2899     wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
2900         (wxColour*) NULL);
2901
2902     XtVaSetValues ((Widget) widget,
2903         XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
2904         XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
2905         XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
2906         XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
2907         NULL);
2908
2909     if (changeArmColour)
2910         XtVaSetValues ((Widget) widget,
2911         XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
2912         NULL);
2913 }
2914
2915 bool wxWindow::SetBackgroundColour(const wxColour& col)
2916 {
2917     if ( !wxWindowBase::SetBackgroundColour(col) )
2918         return FALSE;
2919
2920     ChangeBackgroundColour();
2921
2922     return TRUE;
2923 }
2924
2925 bool wxWindow::SetForegroundColour(const wxColour& col)
2926 {
2927     if ( !wxWindowBase::SetForegroundColour(col) )
2928         return FALSE;
2929
2930     ChangeForegroundColour();
2931
2932     return TRUE;
2933 }
2934
2935 void wxWindow::ChangeFont(bool keepOriginalSize)
2936 {
2937     // Note that this causes the widget to be resized back
2938     // to its original size! We therefore have to set the size
2939     // back again. TODO: a better way in Motif?
2940     Widget w = (Widget) GetLabelWidget(); // Usually the main widget
2941     if (w && m_font.Ok())
2942     {
2943         int width, height, width1, height1;
2944         GetSize(& width, & height);
2945
2946         // lesstif 0.87 hangs here
2947 #ifndef LESSTIF_VERSION
2948         XtVaSetValues (w,
2949             XmNfontList, (XmFontList) m_font.GetFontList(1.0, XtDisplay(w)),
2950             NULL);
2951 #endif
2952
2953         GetSize(& width1, & height1);
2954         if (keepOriginalSize && (width != width1 || height != height1))
2955         {
2956             SetSize(-1, -1, width, height);
2957         }
2958     }
2959 }
2960
2961 // ----------------------------------------------------------------------------
2962 // global functions
2963 // ----------------------------------------------------------------------------
2964
2965 wxWindow *wxGetActiveWindow()
2966 {
2967     // TODO
2968     return NULL;
2969 }
2970
2971 // ----------------------------------------------------------------------------
2972 // wxNoOptimize: switch off size optimization
2973 // ----------------------------------------------------------------------------
2974
2975 int wxNoOptimize::ms_count = 0;
2976
2977
2978
2979