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 #ifdef __VMS
  25 #define XtDisplay XTDISPLAY
  26 #define XtWindow XTWINDOW
  27 #define XtScreen XTSCREEN
  28 #endif
  29
  30 #include "wx/setup.h"
  31 #include "wx/menu.h"
  32 #include "wx/dc.h"
  33 #include "wx/dcclient.h"
  34 #include "wx/utils.h"
  35 #include "wx/app.h"
  36 #include "wx/panel.h"
  37 #include "wx/layout.h"
  38 #include "wx/dialog.h"
  39 #include "wx/listbox.h"
  40 #include "wx/button.h"
  41 #include "wx/settings.h"
  42 #include "wx/msgdlg.h"
  43 #include "wx/frame.h"
  44 #include "wx/scrolwin.h"
  45 #include "wx/module.h"
  46 #include "wx/menuitem.h"
  47 #include "wx/log.h"
  48
  49 #if  wxUSE_DRAG_AND_DROP
  50     #include "wx/dnd.h"
  51 #endif
  52
  53 #ifdef __VMS__
  54 #pragma message disable nosimpint
  55 #endif
  56 #include <Xm/Xm.h>
  57
  58 #include <Xm/DrawingA.h>
  59 #include <Xm/ScrolledW.h>
  60 #include <Xm/ScrollBar.h>
  61 #include <Xm/Frame.h>
  62 #include <Xm/Label.h>
  63 #include <Xm/RowColumn.h>           // for XmMenuPosition
  64 #ifdef __VMS__
  65 #pragma message enable nosimpint
  66 #endif
  67
  68 #include "wx/motif/private.h"
  69
  70 #include <string.h>
  71
  72 // ----------------------------------------------------------------------------
  73 // constants
  74 // ----------------------------------------------------------------------------
  75
  76 static const int SCROLL_MARGIN = 4;
  77
  78 // ----------------------------------------------------------------------------
  79 // global variables for this module
  80 // ----------------------------------------------------------------------------
  81
  82 extern wxHashTable *wxWidgetHashTable;
  83
  84 // ----------------------------------------------------------------------------
  85 // private functions
  86 // ----------------------------------------------------------------------------
  87
  88 static void wxCanvasRepaintProc(Widget, XtPointer, XmDrawingAreaCallbackStruct * cbs);
  89 static void wxCanvasInputEvent(Widget drawingArea, XtPointer data, XmDrawingAreaCallbackStruct * cbs);
  90 static void wxCanvasMotionEvent(Widget, XButtonEvent * event);
  91 static void wxCanvasEnterLeave(Widget drawingArea, XtPointer clientData, XCrossingEvent * event);
  92 static void wxScrollBarCallback(Widget widget, XtPointer clientData,
  93                                 XmScrollBarCallbackStruct *cbs);
  94 static void wxPanelItemEventHandler(Widget    wid,
  95                                     XtPointer client_data,
  96                                     XEvent*   event,
  97                                     Boolean  *continueToDispatch);
  98
  99 // unused for now
 100 #if 0
 101
 102 // Helper function for 16-bit fonts
 103 static int str16len(const char *s)
 104 {
 105     int count = 0;
 106
 107     while (s[0] && s[1]) {
 108         count++;
 109         s += 2;
 110     }
 111
 112     return count;
 113 }
 114
 115 #endif // 0
 116
 117 // ----------------------------------------------------------------------------
 118 // macros
 119 // ----------------------------------------------------------------------------
 120
 121 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
 122 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
 123 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
 124
 125 // ----------------------------------------------------------------------------
 126 // event tables
 127 // ----------------------------------------------------------------------------
 128
 129     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
 130
 131     BEGIN_EVENT_TABLE(wxWindow, wxWindowBase)
 132         EVT_SYS_COLOUR_CHANGED(wxWindow::OnSysColourChanged)
 133         EVT_IDLE(wxWindow::OnIdle)
 134     END_EVENT_TABLE()
 135
 136 // ============================================================================
 137 // implementation
 138 // ============================================================================
 139
 140 // ----------------------------------------------------------------------------
 141 // helper functions
 142 // ----------------------------------------------------------------------------
 143
 144 void wxWindow::UnmanageAndDestroy(WXWidget widget)
 145 {
 146     Widget w = (Widget)widget;
 147     if ( w )
 148     {
 149         XtUnmanageChild(w);
 150         XtDestroyWidget(w);
 151     }
 152 }
 153
 154 bool wxWindow::MapOrUnmap(WXWidget widget, bool map)
 155 {
 156     Widget w = (Widget)widget;
 157     if ( !w )
 158         return FALSE;
 159
 160     if ( map )
 161         XtMapWidget(w);
 162     else
 163         XtUnmapWidget(w);
 164
 165     return TRUE;
 166 }
 167
 168 // ----------------------------------------------------------------------------
 169 // constructors
 170 // ----------------------------------------------------------------------------
 171
 172 void wxWindow::Init()
 173 {
 174     // generic initializations first
 175     InitBase();
 176
 177     // Motif-specific
 178     m_needsRefresh = TRUE;
 179     m_mainWidget = (WXWidget) 0;
 180
 181     m_button1Pressed =
 182     m_button2Pressed =
 183     m_button3Pressed = FALSE;
 184
 185     m_winCaptured = FALSE;
 186
 187     m_isShown = TRUE;
 188     m_isBeingDeleted = FALSE;
 189
 190     m_hScrollBar =
 191     m_vScrollBar =
 192     m_borderWidget =
 193     m_scrolledWindow =
 194     m_drawingArea = (WXWidget) 0;
 195
 196     m_hScroll =
 197     m_vScroll = FALSE;
 198
 199     m_scrollPosX =
 200     m_scrollPosY = 0;
 201
 202     m_backingPixmap = (WXPixmap) 0;
 203     m_pixmapWidth =
 204     m_pixmapHeight = 0;
 205
 206     m_pixmapOffsetX =
 207     m_pixmapOffsetY = 0;
 208
 209     m_lastTS = 0;
 210     m_lastButton = 0;
 211     m_canAddEventHandler = FALSE;
 212 }
 213
 214 // real construction (Init() must have been called before!)
 215 bool wxWindow::Create(wxWindow *parent, wxWindowID id,
 216                       const wxPoint& pos,
 217                       const wxSize& size,
 218                       long style,
 219                       const wxString& name)
 220 {
 221     wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
 222
 223     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 224
 225     parent->AddChild(this);
 226
 227     m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 228     m_foregroundColour = *wxBLACK;
 229
 230     //// TODO: we should probably optimize by only creating a
 231     //// a drawing area if we have one or more scrollbars (wxVSCROLL/wxHSCROLL).
 232     //// But for now, let's simplify things by always creating the
 233     //// drawing area, since otherwise the translations are different.
 234
 235     // New translations for getting mouse motion feedback
 236     static const String translations =
 237 "<Btn1Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 238 <Btn2Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 239 <Btn3Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 240 <BtnMotion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 241 <Btn1Down>: DrawingAreaInput() ManagerGadgetArm()\n\
 242 <Btn2Down>: DrawingAreaInput() ManagerGadgetArm()\n\
 243 <Btn3Down>: DrawingAreaInput() ManagerGadgetArm()\n\
 244 <Btn1Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
 245 <Btn2Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
 246 <Btn3Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
 247 <Motion>: wxCanvasMotionEvent() DrawingAreaInput()\n\
 248 <EnterWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
 249 <LeaveWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
 250 <Key>: DrawingAreaInput()";
 251
 252     XtActionsRec actions[1];
 253     actions[0].string = "wxCanvasMotionEvent";
 254     actions[0].proc = (XtActionProc) wxCanvasMotionEvent;
 255     XtAppAddActions ((XtAppContext) wxTheApp->GetAppContext(), actions, 1);
 256
 257     Widget parentWidget = (Widget) parent->GetClientWidget();
 258
 259     if (style & wxSIMPLE_BORDER)
 260     {
 261         m_borderWidget = (WXWidget)XtVaCreateManagedWidget
 262                                    (
 263                                     "canvasBorder",
 264                                     xmFrameWidgetClass, parentWidget,
 265                                     XmNshadowType, XmSHADOW_IN,
 266                                     XmNshadowThickness, 1,
 267                                     NULL
 268                                    );
 269     } else if (style & wxSUNKEN_BORDER)
 270     {
 271         m_borderWidget = (WXWidget)XtVaCreateManagedWidget
 272                                    (
 273                                     "canvasBorder",
 274                                     xmFrameWidgetClass, parentWidget,
 275                                     XmNshadowType, XmSHADOW_IN,
 276                                     NULL
 277                                    );
 278     } else if (style & wxRAISED_BORDER)
 279     {
 280         m_borderWidget = (WXWidget)XtVaCreateManagedWidget
 281                                    (
 282                                     "canvasBorder",
 283                                     xmFrameWidgetClass, parentWidget,
 284                                     XmNshadowType, XmSHADOW_OUT,
 285                                     NULL
 286                                    );
 287     }
 288
 289     m_scrolledWindow = (WXWidget)XtVaCreateManagedWidget
 290                                  (
 291                                   "scrolledWindow",
 292                                   xmScrolledWindowWidgetClass,
 293                                   m_borderWidget ? (Widget) m_borderWidget
 294                                                  : parentWidget,
 295                                   XmNresizePolicy, XmRESIZE_NONE,
 296                                   XmNspacing, 0,
 297                                   XmNscrollingPolicy, XmAPPLICATION_DEFINED,
 298                                   //XmNscrollBarDisplayPolicy, XmAS_NEEDED,
 299                                   NULL
 300                                  );
 301
 302     XtTranslations ptr = XtParseTranslationTable(translations);
 303     m_drawingArea = (WXWidget)XtVaCreateWidget
 304                               (
 305                                name,
 306                                xmDrawingAreaWidgetClass, (Widget) m_scrolledWindow,
 307                                XmNunitType, XmPIXELS,
 308                                // XmNresizePolicy, XmRESIZE_ANY,
 309                                XmNresizePolicy, XmRESIZE_NONE,
 310                                XmNmarginHeight, 0,
 311                                XmNmarginWidth, 0,
 312                                XmNtranslations, ptr,
 313                                NULL
 314                               );
 315     XtFree((char *) ptr);
 316
 317 #if 0
 318     if (GetWindowStyleFlag() & wxOVERRIDE_KEY_TRANSLATIONS)
 319     {
 320         ptr = XtParseTranslationTable ("<Key>: DrawingAreaInput()");
 321         XtOverrideTranslations ((Widget) m_drawingArea, ptr);
 322         XtFree ((char *) ptr);
 323     }
 324 #endif // 0
 325
 326     wxAddWindowToTable((Widget) m_drawingArea, this);
 327     wxAddWindowToTable((Widget) m_scrolledWindow, this);
 328
 329     // This order is very important in Motif 1.2.1
 330     XtRealizeWidget ((Widget) m_scrolledWindow);
 331     XtRealizeWidget ((Widget) m_drawingArea);
 332     XtManageChild ((Widget) m_drawingArea);
 333
 334     ptr = XtParseTranslationTable("<Configure>: resize()");
 335     XtOverrideTranslations((Widget) m_drawingArea, ptr);
 336     XtFree ((char *) ptr);
 337
 338     XtAddCallback ((Widget) m_drawingArea, XmNexposeCallback, (XtCallbackProc) wxCanvasRepaintProc, (XtPointer) this);
 339     XtAddCallback ((Widget) m_drawingArea, XmNinputCallback, (XtCallbackProc) wxCanvasInputEvent, (XtPointer) this);
 340
 341     // TODO?
 342 #if 0
 343     display = XtDisplay (scrolledWindow);
 344     xwindow = XtWindow (drawingArea);
 345 #endif // 0
 346
 347     XtAddEventHandler(
 348                       (Widget)m_drawingArea,
 349                        PointerMotionHintMask | EnterWindowMask |
 350                        LeaveWindowMask | FocusChangeMask,
 351                        False,
 352                        (XtEventHandler) wxCanvasEnterLeave,
 353                        (XtPointer) this
 354                      );
 355
 356     // Scrolled widget needs to have its colour changed or we get a little blue
 357     // square where the scrollbars abutt
 358     wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 359     DoChangeBackgroundColour(m_scrolledWindow, backgroundColour, TRUE);
 360     DoChangeBackgroundColour(m_drawingArea, backgroundColour, TRUE);
 361
 362     XmScrolledWindowSetAreas(
 363                              (Widget)m_scrolledWindow,
 364                              (Widget) 0, (Widget) 0,
 365                              (Widget) m_drawingArea);
 366
 367 #if 0
 368     if (m_hScrollBar)
 369         XtRealizeWidget ((Widget) m_hScrollBar);
 370     if (m_vScrollBar)
 371         XtRealizeWidget ((Widget) m_vScrollBar);
 372 #endif // 0
 373
 374     // Without this, the cursor may not be restored properly (e.g. in splitter
 375     // sample).
 376     SetCursor(*wxSTANDARD_CURSOR);
 377     SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
 378     SetSize(pos.x, pos.y, size.x, size.y);
 379
 380     return TRUE;
 381 }
 382
 383 // Destructor
 384 wxWindow::~wxWindow()
 385 {
 386     m_isBeingDeleted = TRUE;
 387
 388     // Motif-specific actions first
 389     WXWidget wMain = GetMainWidget();
 390     if ( wMain )
 391     {
 392         // Removes event handlers
 393         DetachWidget(wMain);
 394     }
 395
 396     ClearUpdateRects();
 397
 398     if ( m_parent )
 399         m_parent->RemoveChild( this );
 400
 401     // If m_drawingArea, we're a fully-fledged window with drawing area,
 402     // scrollbars etc. (what wxCanvas used to be)
 403     if ( m_drawingArea )
 404     {
 405         // Destroy children before destroying self
 406         DestroyChildren();
 407
 408         if (m_backingPixmap)
 409             XFreePixmap (XtDisplay ((Widget) GetMainWidget()), (Pixmap) m_backingPixmap);
 410
 411         Widget w = (Widget) m_drawingArea;
 412         wxDeleteWindowFromTable(w);
 413
 414         if (w)
 415         {
 416             XtDestroyWidget(w);
 417             m_drawingArea = (WXWidget) 0;
 418         }
 419
 420         // Only if we're _really_ a canvas (not a dialog box/panel)
 421         if (m_scrolledWindow)
 422         {
 423             wxDeleteWindowFromTable((Widget) m_scrolledWindow);
 424         }
 425
 426         if (m_hScrollBar)
 427         {
 428             wxDeleteWindowFromTable((Widget) m_hScrollBar);
 429             XtUnmanageChild((Widget) m_hScrollBar);
 430         }
 431         if (m_vScrollBar)
 432         {
 433             wxDeleteWindowFromTable((Widget) m_vScrollBar);
 434             XtUnmanageChild((Widget) m_vScrollBar);
 435         }
 436
 437         if (m_hScrollBar)
 438             XtDestroyWidget((Widget) m_hScrollBar);
 439         if (m_vScrollBar)
 440             XtDestroyWidget((Widget) m_vScrollBar);
 441
 442         UnmanageAndDestroy(m_scrolledWindow);
 443
 444         if (m_borderWidget)
 445         {
 446             XtDestroyWidget ((Widget) m_borderWidget);
 447             m_borderWidget = (WXWidget) 0;
 448         }
 449     }
 450     else // Why wasn't this here before? JACS 8/3/2000
 451         DestroyChildren();
 452
 453
 454     // Destroy the window
 455     if (GetMainWidget())
 456     {
 457         // If this line (XtDestroyWidget) causes a crash, you may comment it out.
 458         // Child widgets will get destroyed automatically when a frame
 459         // or dialog is destroyed, but before that you may get some memory
 460         // leaks and potential layout problems if you delete and then add
 461         // child windows.
 462
 463         // GRG, Feb/2000: commented this out when adding support for
 464         //   wxSCROLL[WIN]_THUMBRELEASE events. Also it was reported
 465         //   that this call crashed wxMotif under OS/2, so it seems
 466         //   that leaving it out is the right thing to do.
 467         // SN, Feb/2000: newgrid/griddemo shows why it is needed :-(
 468         XtDestroyWidget((Widget) GetMainWidget());
 469         SetMainWidget((WXWidget) NULL);
 470     }
 471 }
 472
 473 // ----------------------------------------------------------------------------
 474 // scrollbar management
 475 // ----------------------------------------------------------------------------
 476
 477 // Helper function
 478 void wxWindow::CreateScrollbar(wxOrientation orientation)
 479 {
 480     wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
 481
 482     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
 483
 484     // Add scrollbars if required
 485     if (orientation == wxHORIZONTAL)
 486     {
 487         Widget hScrollBar = XtVaCreateManagedWidget ("hsb",
 488             xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
 489             XmNorientation, XmHORIZONTAL,
 490             NULL);
 491         XtAddCallback (hScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 492         XtAddCallback (hScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 493         XtAddCallback (hScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 494         XtAddCallback (hScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 495         XtAddCallback (hScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 496         XtAddCallback (hScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 497         XtAddCallback (hScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 498         XtAddCallback (hScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 499
 500         XtVaSetValues (hScrollBar,
 501             XmNincrement, 1,
 502             XmNvalue, 0,
 503             NULL);
 504
 505         m_hScrollBar = (WXWidget) hScrollBar;
 506
 507         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 508         DoChangeBackgroundColour(m_hScrollBar, backgroundColour, TRUE);
 509
 510         XtRealizeWidget(hScrollBar);
 511
 512         XtVaSetValues((Widget) m_scrolledWindow,
 513             XmNhorizontalScrollBar, (Widget) m_hScrollBar,
 514             NULL);
 515
 516         m_hScroll = TRUE;
 517
 518         wxAddWindowToTable( hScrollBar, this );
 519     }
 520
 521     if (orientation == wxVERTICAL)
 522     {
 523         Widget vScrollBar = XtVaCreateManagedWidget ("vsb",
 524             xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
 525             XmNorientation, XmVERTICAL,
 526             NULL);
 527         XtAddCallback (vScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 528         XtAddCallback (vScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 529         XtAddCallback (vScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 530         XtAddCallback (vScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 531         XtAddCallback (vScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 532         XtAddCallback (vScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 533         XtAddCallback (vScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 534         XtAddCallback (vScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 535
 536         XtVaSetValues (vScrollBar,
 537             XmNincrement, 1,
 538             XmNvalue, 0,
 539             NULL);
 540
 541         m_vScrollBar = (WXWidget) vScrollBar;
 542         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 543         DoChangeBackgroundColour(m_vScrollBar, backgroundColour, TRUE);
 544
 545         XtRealizeWidget(vScrollBar);
 546
 547         XtVaSetValues((Widget) m_scrolledWindow,
 548             XmNverticalScrollBar, (Widget) m_vScrollBar,
 549             NULL);
 550
 551         m_vScroll = TRUE;
 552
 553         wxAddWindowToTable( vScrollBar, this );
 554     }
 555
 556     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
 557 }
 558
 559 void wxWindow::DestroyScrollbar(wxOrientation orientation)
 560 {
 561     wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
 562
 563     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
 564     // Add scrollbars if required
 565     if (orientation == wxHORIZONTAL)
 566     {
 567         if (m_hScrollBar)
 568         {
 569             wxDeleteWindowFromTable((Widget)m_hScrollBar);
 570             XtDestroyWidget((Widget) m_hScrollBar);
 571         }
 572         m_hScrollBar = (WXWidget) 0;
 573         m_hScroll = FALSE;
 574
 575         XtVaSetValues((Widget) m_scrolledWindow,
 576             XmNhorizontalScrollBar, (Widget) 0,
 577             NULL);
 578
 579     }
 580
 581     if (orientation == wxVERTICAL)
 582     {
 583         if (m_vScrollBar)
 584         {
 585             wxDeleteWindowFromTable((Widget)m_vScrollBar);
 586             XtDestroyWidget((Widget) m_vScrollBar);
 587         }
 588         m_vScrollBar = (WXWidget) 0;
 589         m_vScroll = FALSE;
 590
 591         XtVaSetValues((Widget) m_scrolledWindow,
 592             XmNverticalScrollBar, (Widget) 0,
 593             NULL);
 594
 595     }
 596     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
 597 }
 598
 599 // ---------------------------------------------------------------------------
 600 // basic operations
 601 // ---------------------------------------------------------------------------
 602
 603 void wxWindow::SetFocus()
 604 {
 605     Widget wMain = (Widget) GetMainWidget();
 606     XmProcessTraversal(wMain, XmTRAVERSE_CURRENT);
 607     XmProcessTraversal((Widget) GetMainWidget(), XmTRAVERSE_CURRENT);
 608 }
 609
 610 // Get the window with the focus
 611 wxWindow *wxWindowBase::FindFocus()
 612 {
 613     // TODO Problems:
 614     // (1) Can there be multiple focussed widgets in an application?
 615     // In which case we need to find the top-level window that's
 616     // currently active.
 617     // (2) The widget with the focus may not be in the widget table
 618     // depending on which widgets I put in the table
 619     wxWindow *winFocus = (wxWindow *)NULL;
 620     for ( wxWindowList::Node *node = wxTopLevelWindows.GetFirst();
 621           node;
 622           node = node->GetNext() )
 623     {
 624         wxWindow *win = node->GetData();
 625
 626         Widget w = XmGetFocusWidget ((Widget) win->GetTopWidget());
 627
 628         if (w != (Widget) NULL)
 629         {
 630             winFocus = wxGetWindowFromTable(w);
 631             if ( winFocus )
 632                 break;
 633         }
 634     }
 635
 636     return winFocus;
 637 }
 638
 639 bool wxWindow::Enable(bool enable)
 640 {
 641     if ( !wxWindowBase::Enable(enable) )
 642         return FALSE;
 643
 644     Widget wMain = (Widget)GetMainWidget();
 645     if ( wMain )
 646     {
 647         XtSetSensitive(wMain, enable);
 648         XmUpdateDisplay(wMain);
 649     }
 650
 651     return TRUE;
 652 }
 653
 654 bool wxWindow::Show(bool show)
 655 {
 656     if ( !wxWindowBase::Show(show) )
 657         return FALSE;
 658
 659     if (m_borderWidget || m_scrolledWindow)
 660     {
 661         MapOrUnmap(m_drawingArea, show);
 662         MapOrUnmap(m_borderWidget ? m_borderWidget : m_scrolledWindow, show);
 663     }
 664     else
 665     {
 666         if ( !MapOrUnmap(GetTopWidget(), show) )
 667             MapOrUnmap(GetMainWidget(), show);
 668     }
 669
 670 #if 0
 671     Window xwin = (Window) GetXWindow();
 672     Display *xdisp = (Display*) GetXDisplay();
 673     if (show)
 674         XMapWindow(xdisp, xwin);
 675     else
 676         XUnmapWindow(xdisp, xwin);
 677 #endif
 678
 679     return TRUE;
 680 }
 681
 682 // Raise the window to the top of the Z order
 683 void wxWindow::Raise()
 684 {
 685     Widget wTop = (Widget) GetTopWidget();
 686     Window window = XtWindow(wTop);
 687     XRaiseWindow(XtDisplay(wTop), window);
 688 }
 689
 690 // Lower the window to the bottom of the Z order
 691 void wxWindow::Lower()
 692 {
 693     Widget wTop = (Widget) GetTopWidget();
 694     Window window = XtWindow(wTop);
 695     XLowerWindow(XtDisplay(wTop), window);
 696 }
 697
 698 void wxWindow::SetTitle(const wxString& title)
 699 {
 700     XtVaSetValues((Widget)GetMainWidget(), XmNtitle, title.c_str(), NULL);
 701 }
 702
 703 wxString wxWindow::GetTitle() const
 704 {
 705     char *title;
 706     XtVaGetValues((Widget)GetMainWidget(), XmNtitle, &title, NULL);
 707
 708     return wxString(title);
 709 }
 710
 711 void wxWindow::CaptureMouse()
 712 {
 713     if ( m_winCaptured )
 714         return;
 715
 716     Widget wMain = (Widget)GetMainWidget();
 717     if ( wMain )
 718         XtAddGrab(wMain, TRUE, FALSE);
 719
 720     m_winCaptured = TRUE;
 721 }
 722
 723 void wxWindow::ReleaseMouse()
 724 {
 725     if ( !m_winCaptured )
 726         return;
 727
 728     Widget wMain = (Widget)GetMainWidget();
 729     if ( wMain )
 730         XtRemoveGrab(wMain);
 731
 732     m_winCaptured = FALSE;
 733 }
 734
 735 bool wxWindow::SetFont(const wxFont& font)
 736 {
 737     if ( !wxWindowBase::SetFont(font) )
 738     {
 739         // nothing to do
 740         return FALSE;
 741     }
 742
 743     ChangeFont();
 744
 745     return TRUE;
 746 }
 747
 748 bool wxWindow::SetCursor(const wxCursor& cursor)
 749 {
 750     if ( !wxWindowBase::SetCursor(cursor) )
 751     {
 752         // no change
 753         return FALSE;
 754     }
 755
 756     //    wxASSERT_MSG( m_cursor.Ok(),
 757     //                  wxT("cursor must be valid after call to the base version"));
 758     wxCursor* cursor2 = NULL;
 759     if (m_cursor.Ok())
 760         cursor2 = & m_cursor;
 761     else
 762         cursor2 = wxSTANDARD_CURSOR;
 763
 764     WXDisplay *dpy = GetXDisplay();
 765     WXCursor x_cursor = cursor2->GetXCursor(dpy);
 766
 767     Widget w = (Widget) GetMainWidget();
 768     Window win = XtWindow(w);
 769     XDefineCursor((Display*) dpy, win, (Cursor) x_cursor);
 770
 771     return TRUE;
 772 }
 773
 774 // Coordinates relative to the window
 775 void wxWindow::WarpPointer (int x, int y)
 776 {
 777     Widget wClient = (Widget)GetClientWidget();
 778
 779     XWarpPointer(XtDisplay(wClient), None, XtWindow(wClient), 0, 0, 0, 0, x, y);
 780 }
 781
 782 // ---------------------------------------------------------------------------
 783 // scrolling stuff
 784 // ---------------------------------------------------------------------------
 785
 786 int wxWindow::GetScrollPos(int orient) const
 787 {
 788     if (orient == wxHORIZONTAL)
 789         return m_scrollPosX;
 790     else
 791         return m_scrollPosY;
 792
 793 #if 0
 794     Widget scrollBar = (Widget) ((orient == wxHORIZONTAL) ? m_hScrollBar : m_vScrollBar);
 795     if (scrollBar)
 796     {
 797         int pos;
 798         XtVaGetValues(scrollBar, XmNvalue, &pos, NULL);
 799         return pos;
 800     }
 801     else
 802         return 0;
 803 #endif // 0
 804 }
 805
 806 // This now returns the whole range, not just the number of positions that we
 807 // can scroll.
 808 int wxWindow::GetScrollRange(int orient) const
 809 {
 810     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 811     wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
 812
 813     int range;
 814     XtVaGetValues(scrollBar, XmNmaximum, &range, NULL);
 815     return range;
 816 }
 817
 818 int wxWindow::GetScrollThumb(int orient) const
 819 {
 820     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 821     wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
 822
 823     int thumb;
 824     XtVaGetValues(scrollBar, XmNsliderSize, &thumb, NULL);
 825     return thumb;
 826 }
 827
 828 void wxWindow::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh))
 829 {
 830     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 831
 832     if ( scrollBar )
 833     {
 834         XtVaSetValues (scrollBar, XmNvalue, pos, NULL);
 835     }
 836
 837     SetInternalScrollPos((wxOrientation)orient, pos);
 838 }
 839
 840 // New function that will replace some of the above.
 841 void wxWindow::SetScrollbar(int orient, int pos, int thumbVisible,
 842                             int range, bool WXUNUSED(refresh))
 843 {
 844     int oldW, oldH;
 845     GetSize(& oldW, & oldH);
 846
 847     if (range == 0)
 848         range = 1;
 849     if (thumbVisible == 0)
 850         thumbVisible = 1;
 851
 852     if (thumbVisible > range)
 853         thumbVisible = range;
 854
 855     // Save the old state to see if it changed
 856     WXWidget oldScrollBar = GetScrollbar((wxOrientation)orient);
 857
 858     if (orient == wxHORIZONTAL)
 859     {
 860         if (thumbVisible == range)
 861         {
 862             if (m_hScrollBar)
 863                 DestroyScrollbar(wxHORIZONTAL);
 864         }
 865         else
 866         {
 867             if (!m_hScrollBar)
 868                 CreateScrollbar(wxHORIZONTAL);
 869         }
 870     }
 871     if (orient == wxVERTICAL)
 872     {
 873         if (thumbVisible == range)
 874         {
 875             if (m_vScrollBar)
 876                 DestroyScrollbar(wxVERTICAL);
 877         }
 878         else
 879         {
 880             if (!m_vScrollBar)
 881                 CreateScrollbar(wxVERTICAL);
 882         }
 883     }
 884     WXWidget newScrollBar =  GetScrollbar((wxOrientation)orient);
 885
 886     if (oldScrollBar != newScrollBar)
 887     {
 888         // This is important! Without it, scrollbars misbehave badly.
 889         XtUnrealizeWidget((Widget) m_scrolledWindow);
 890         XmScrolledWindowSetAreas ((Widget) m_scrolledWindow, (Widget) m_hScrollBar, (Widget) m_vScrollBar, (Widget) m_drawingArea);
 891         XtRealizeWidget((Widget) m_scrolledWindow);
 892         XtManageChild((Widget) m_scrolledWindow);
 893     }
 894
 895     if (newScrollBar)
 896     {
 897         XtVaSetValues((Widget) newScrollBar,
 898         XmNvalue, pos,
 899         XmNminimum, 0,
 900         XmNmaximum, range,
 901         XmNsliderSize, thumbVisible,
 902         NULL);
 903     }
 904
 905     SetInternalScrollPos((wxOrientation)orient, pos);
 906
 907     int newW, newH;
 908     GetSize(& newW, & newH);
 909
 910     // Adjusting scrollbars can resize the canvas accidentally
 911     if (newW != oldW || newH != oldH)
 912         SetSize(-1, -1, oldW, oldH);
 913 }
 914
 915 // Does a physical scroll
 916 void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
 917 {
 918     int x, y, w, h;
 919     if (rect)
 920     {
 921         // Use specified rectangle
 922         x = rect->x; y = rect->y; w = rect->width; h = rect->height;
 923     }
 924     else
 925     {
 926         // Use whole client area
 927         x = 0; y = 0;
 928         GetClientSize(& w, & h);
 929     }
 930
 931     wxNode *cnode = m_children.First();
 932     while (cnode)
 933     {
 934         wxWindow *child = (wxWindow*) cnode->Data();
 935         int sx = 0;
 936         int sy = 0;
 937         child->GetSize( &sx, &sy );
 938         wxPoint pos( child->GetPosition() );
 939         child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
 940         cnode = cnode->Next();
 941     }
 942
 943     int x1 = (dx >= 0) ? x : x - dx;
 944     int y1 = (dy >= 0) ? y : y - dy;
 945     int w1 = w - abs(dx);
 946     int h1 = h - abs(dy);
 947     int x2 = (dx >= 0) ? x + dx : x;
 948     int y2 = (dy >= 0) ? y + dy : y;
 949
 950     wxClientDC dc(this);
 951
 952     dc.SetLogicalFunction (wxCOPY);
 953
 954     Widget widget = (Widget) GetMainWidget();
 955     Window window = XtWindow(widget);
 956     Display* display = XtDisplay(widget);
 957
 958     XCopyArea(display, window, window, (GC) dc.GetGC(),
 959               x1, y1, w1, h1, x2, y2);
 960
 961     dc.SetAutoSetting(TRUE);
 962     wxBrush brush(GetBackgroundColour(), wxSOLID);
 963     dc.SetBrush(brush); // FIXME: needed?
 964
 965     // We'll add rectangles to the list of update rectangles according to which
 966     // bits we've exposed.
 967     wxList updateRects;
 968
 969     if (dx > 0)
 970     {
 971         wxRect *rect = new wxRect;
 972         rect->x = x;
 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, rect->height);
 979
 980         rect->x = rect->x;
 981         rect->y = rect->y;
 982         rect->width = rect->width;
 983         rect->height = rect->height;
 984
 985         updateRects.Append((wxObject*) rect);
 986     }
 987     else if (dx < 0)
 988     {
 989         wxRect *rect = new wxRect;
 990
 991         rect->x = x + w + dx;
 992         rect->y = y;
 993         rect->width = -dx;
 994         rect->height = h;
 995
 996         XFillRectangle(display, window,
 997             (GC) dc.GetGC(), rect->x, rect->y, rect->width,
 998             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     if (dy > 0)
1008     {
1009         wxRect *rect = new wxRect;
1010
1011         rect->x = x;
1012         rect->y = y;
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     else if (dy < 0)
1027     {
1028         wxRect *rect = new wxRect;
1029
1030         rect->x = x;
1031         rect->y = y + h + dy;
1032         rect->width = w;
1033         rect->height = -dy;
1034
1035         XFillRectangle(display, window,
1036             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
1037
1038         rect->x = rect->x;
1039         rect->y = rect->y;
1040         rect->width = rect->width;
1041         rect->height = rect->height;
1042
1043         updateRects.Append((wxObject*) rect);
1044     }
1045     dc.SetBrush(wxNullBrush);
1046
1047     // Now send expose events
1048
1049     wxNode* node = updateRects.First();
1050     while (node)
1051     {
1052         wxRect* rect = (wxRect*) node->Data();
1053         XExposeEvent event;
1054
1055         event.type = Expose;
1056         event.display = display;
1057         event.send_event = True;
1058         event.window = window;
1059
1060         event.x = rect->x;
1061         event.y = rect->y;
1062         event.width = rect->width;
1063         event.height = rect->height;
1064
1065         event.count = 0;
1066
1067         XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
1068
1069         node = node->Next();
1070
1071     }
1072
1073     // Delete the update rects
1074     node = updateRects.First();
1075     while (node)
1076     {
1077         wxRect* rect = (wxRect*) node->Data();
1078         delete rect;
1079         node = node->Next();
1080     }
1081
1082     XmUpdateDisplay((Widget) GetMainWidget());
1083 }
1084
1085 // ---------------------------------------------------------------------------
1086 // drag and drop
1087 // ---------------------------------------------------------------------------
1088
1089 #if wxUSE_DRAG_AND_DROP
1090
1091 void wxWindow::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
1092 {
1093     // TODO
1094 }
1095
1096 #endif
1097
1098 // Old style file-manager drag&drop
1099 void wxWindow::DragAcceptFiles(bool WXUNUSED(accept))
1100 {
1101     // TODO
1102 }
1103
1104 // ----------------------------------------------------------------------------
1105 // tooltips
1106 // ----------------------------------------------------------------------------
1107
1108 #if wxUSE_TOOLTIPS
1109
1110 void wxWindow::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
1111 {
1112     // TODO
1113 }
1114
1115 #endif // wxUSE_TOOLTIPS
1116
1117 // ----------------------------------------------------------------------------
1118 // popup menus
1119 // ----------------------------------------------------------------------------
1120
1121 bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
1122 {
1123     Widget widget = (Widget) GetMainWidget();
1124
1125     /* The menuId field seems to be usused, so we'll use it to
1126     indicate whether a menu is popped up or not:
1127     0: Not currently created as a popup
1128     -1: Created as a popup, but not active
1129     1: Active popup.
1130     */
1131
1132     if (menu->GetParent() && (menu->GetId() != -1))
1133         return FALSE;
1134
1135     if (menu->GetMainWidget()) {
1136         menu->DestroyMenu(TRUE);
1137     }
1138
1139     menu->SetId(1); /* Mark as popped-up */
1140     menu->CreateMenu(NULL, widget, menu);
1141     menu->SetInvokingWindow(this);
1142
1143     menu->UpdateUI();
1144
1145     //  menu->SetParent(parent);
1146     //  parent->children->Append(menu);  // Store menu for later deletion
1147
1148     Widget menuWidget = (Widget) menu->GetMainWidget();
1149
1150     int rootX = 0;
1151     int rootY = 0;
1152
1153     int deviceX = x;
1154     int deviceY = y;
1155     /*
1156     if (this->IsKindOf(CLASSINFO(wxCanvas)))
1157     {
1158     wxCanvas *canvas = (wxCanvas *) this;
1159     deviceX = canvas->GetDC ()->LogicalToDeviceX (x);
1160     deviceY = canvas->GetDC ()->LogicalToDeviceY (y);
1161     }
1162     */
1163
1164     Display *display = XtDisplay (widget);
1165     Window rootWindow = RootWindowOfScreen (XtScreen((Widget)widget));
1166     Window thisWindow = XtWindow (widget);
1167     Window childWindow;
1168     XTranslateCoordinates (display, thisWindow, rootWindow, (int) deviceX, (int) deviceY,
1169         &rootX, &rootY, &childWindow);
1170
1171     XButtonPressedEvent event;
1172     event.type = ButtonPress;
1173     event.button = 1;
1174
1175     event.x = deviceX;
1176     event.y = deviceY;
1177
1178     event.x_root = rootX;
1179     event.y_root = rootY;
1180
1181     XmMenuPosition (menuWidget, &event);
1182     XtManageChild (menuWidget);
1183
1184     return TRUE;
1185 }
1186
1187 // ---------------------------------------------------------------------------
1188 // moving and resizing
1189 // ---------------------------------------------------------------------------
1190
1191 bool wxWindow::PreResize()
1192 {
1193     return TRUE;
1194 }
1195
1196 // Get total size
1197 void wxWindow::DoGetSize(int *x, int *y) const
1198 {
1199     if (m_drawingArea)
1200     {
1201         CanvasGetSize(x, y);
1202         return;
1203     }
1204
1205     Widget widget = (Widget) GetTopWidget();
1206     Dimension xx, yy;
1207     XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1208     if(x) *x = xx; if(y) *y = yy;
1209 }
1210
1211 void wxWindow::DoGetPosition(int *x, int *y) const
1212 {
1213     if (m_drawingArea)
1214     {
1215         CanvasGetPosition(x, y);
1216         return;
1217     }
1218     Widget widget = (Widget) GetTopWidget();
1219     Position xx, yy;
1220     XtVaGetValues(widget, XmNx, &xx, XmNy, &yy, NULL);
1221
1222     // We may be faking the client origin. So a window that's really at (0, 30)
1223     // may appear (to wxWin apps) to be at (0, 0).
1224     if (GetParent())
1225     {
1226         wxPoint pt(GetParent()->GetClientAreaOrigin());
1227         xx -= pt.x;
1228         yy -= pt.y;
1229     }
1230
1231     if(x) *x = xx; if(y) *y = yy;
1232 }
1233
1234 void wxWindow::DoScreenToClient(int *x, int *y) const
1235 {
1236     Widget widget = (Widget) GetClientWidget();
1237     Display *display = XtDisplay((Widget) GetMainWidget());
1238     Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1239     Window thisWindow = XtWindow(widget);
1240
1241     Window childWindow;
1242     int xx = *x;
1243     int yy = *y;
1244     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
1245 }
1246
1247 void wxWindow::DoClientToScreen(int *x, int *y) const
1248 {
1249     Widget widget = (Widget) GetClientWidget();
1250     Display *display = XtDisplay(widget);
1251     Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1252     Window thisWindow = XtWindow(widget);
1253
1254     Window childWindow;
1255     int xx = *x;
1256     int yy = *y;
1257     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
1258 }
1259
1260
1261 // Get size *available for subwindows* i.e. excluding menu bar etc.
1262 void wxWindow::DoGetClientSize(int *x, int *y) const
1263 {
1264     Widget widget = (Widget) GetClientWidget();
1265     Dimension xx, yy;
1266     XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1267     if(x) *x = xx; if(y) *y = yy;
1268 }
1269
1270 void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1271 {
1272     // A bit of optimization to help sort out the flickers.
1273     int oldX, oldY, oldW, oldH;
1274     GetSize(& oldW, & oldH);
1275     GetPosition(& oldX, & oldY);
1276
1277     if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1278     {
1279         if ( x == -1 )
1280             x = oldX;
1281         if ( y == -1 )
1282             y = oldY;
1283     }
1284
1285     if ( width == -1 )
1286         width = oldW;
1287     if ( height == -1 )
1288         height = oldH;
1289
1290     bool nothingChanged = (x == oldX) && (y == oldY) &&
1291                           (width == oldW) && (height == oldH);
1292
1293     if (!wxNoOptimize::CanOptimize())
1294     {
1295         nothingChanged = FALSE;
1296     }
1297
1298     if ( !nothingChanged )
1299     {
1300         if (m_drawingArea)
1301         {
1302             CanvasSetSize(x, y, width, height, sizeFlags);
1303             return;
1304         }
1305
1306         Widget widget = (Widget) GetTopWidget();
1307         if (!widget)
1308             return;
1309
1310         bool managed = XtIsManaged( widget );
1311         if (managed)
1312             XtUnmanageChild(widget);
1313
1314         int xx = x;
1315         int yy = y;
1316         AdjustForParentClientOrigin(xx, yy, sizeFlags);
1317
1318         DoMoveWindow(xx, yy, width, height);
1319
1320         if (managed)
1321             XtManageChild(widget);
1322
1323         // How about this bit. Maybe we don't need to generate size events
1324         // all the time -- they'll be generated when the window is sized anyway.
1325 #if 0
1326         wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1327         sizeEvent.SetEventObject(this);
1328
1329         GetEventHandler()->ProcessEvent(sizeEvent);
1330 #endif // 0
1331     }
1332 }
1333
1334 void wxWindow::DoSetClientSize(int width, int height)
1335 {
1336     if (m_drawingArea)
1337     {
1338         CanvasSetClientSize(width, height);
1339         return;
1340     }
1341
1342     Widget widget = (Widget) GetTopWidget();
1343
1344     if (width > -1)
1345         XtVaSetValues(widget, XmNwidth, width, NULL);
1346     if (height > -1)
1347         XtVaSetValues(widget, XmNheight, height, NULL);
1348
1349     wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1350     sizeEvent.SetEventObject(this);
1351
1352     GetEventHandler()->ProcessEvent(sizeEvent);
1353 }
1354
1355 // For implementation purposes - sometimes decorations make the client area
1356 // smaller
1357 wxPoint wxWindow::GetClientAreaOrigin() const
1358 {
1359     return wxPoint(0, 0);
1360 }
1361
1362 // Makes an adjustment to the window position (for example, a frame that has
1363 // a toolbar that it manages itself).
1364 void wxWindow::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
1365 {
1366     if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
1367     {
1368         wxPoint pt(GetParent()->GetClientAreaOrigin());
1369         x += pt.x; y += pt.y;
1370     }
1371 }
1372
1373 void wxWindow::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
1374 {
1375     m_minWidth = minW;
1376     m_minHeight = minH;
1377     m_maxWidth = maxW;
1378     m_maxHeight = maxH;
1379
1380     wxFrame *frame = wxDynamicCast(this, wxFrame);
1381     if ( !frame )
1382     {
1383         // TODO what about dialogs?
1384         return;
1385     }
1386
1387     Widget widget = (Widget) frame->GetShellWidget();
1388
1389     if (minW > -1)
1390         XtVaSetValues(widget, XmNminWidth, minW, NULL);
1391     if (minH > -1)
1392         XtVaSetValues(widget, XmNminHeight, minH, NULL);
1393     if (maxW > -1)
1394         XtVaSetValues(widget, XmNmaxWidth, maxW, NULL);
1395     if (maxH > -1)
1396         XtVaSetValues(widget, XmNmaxHeight, maxH, NULL);
1397     if (incW > -1)
1398         XtVaSetValues(widget, XmNwidthInc, incW, NULL);
1399     if (incH > -1)
1400         XtVaSetValues(widget, XmNheightInc, incH, NULL);
1401 }
1402
1403 void wxWindow::DoMoveWindow(int x, int y, int width, int height)
1404 {
1405     XtVaSetValues((Widget)GetTopWidget(),
1406                   XmNx, x,
1407                   XmNy, y,
1408                   XmNwidth, width,
1409                   XmNheight, height,
1410                   NULL);
1411 }
1412
1413 // ---------------------------------------------------------------------------
1414 // text metrics
1415 // ---------------------------------------------------------------------------
1416
1417 int wxWindow::GetCharHeight() const
1418 {
1419     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1420
1421     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1422
1423     int direction, ascent, descent;
1424     XCharStruct overall;
1425     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1426         &descent, &overall);
1427
1428     //  return (overall.ascent + overall.descent);
1429     return (ascent + descent);
1430 }
1431
1432 int wxWindow::GetCharWidth() const
1433 {
1434     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1435
1436     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1437
1438     int direction, ascent, descent;
1439     XCharStruct overall;
1440     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1441         &descent, &overall);
1442
1443     return overall.width;
1444 }
1445
1446 void wxWindow::GetTextExtent(const wxString& string,
1447                              int *x, int *y,
1448                              int *descent, int *externalLeading,
1449                              const wxFont *theFont) const
1450 {
1451     wxFont *fontToUse = (wxFont *)theFont;
1452     if (!fontToUse)
1453         fontToUse = (wxFont *) & m_font;
1454
1455     wxCHECK_RET( fontToUse->Ok(), "valid window font needed" );
1456
1457     WXFontStructPtr pFontStruct = theFont->GetFontStruct(1.0, GetXDisplay());
1458
1459     int direction, ascent, descent2;
1460     XCharStruct overall;
1461     int slen = string.Len();
1462
1463 #if 0
1464     if (use16)
1465         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
1466         &ascent, &descent2, &overall);
1467 #endif
1468
1469     XTextExtents((XFontStruct*) pFontStruct, string, slen,
1470                  &direction, &ascent, &descent2, &overall);
1471
1472     if ( x )
1473         *x = (overall.width);
1474     if ( y )
1475         *y = (ascent + descent2);
1476     if (descent)
1477         *descent = descent2;
1478     if (externalLeading)
1479         *externalLeading = 0;
1480
1481 }
1482
1483 // ----------------------------------------------------------------------------
1484 // painting
1485 // ----------------------------------------------------------------------------
1486
1487 void wxWindow::Refresh(bool eraseBack, const wxRect *rect)
1488 {
1489     m_needsRefresh = TRUE;
1490     Display *display = XtDisplay((Widget) GetMainWidget());
1491     Window thisWindow = XtWindow((Widget) GetMainWidget());
1492
1493     XExposeEvent dummyEvent;
1494     int width, height;
1495     GetSize(&width, &height);
1496
1497     dummyEvent.type = Expose;
1498     dummyEvent.display = display;
1499     dummyEvent.send_event = True;
1500     dummyEvent.window = thisWindow;
1501     if (rect)
1502     {
1503         dummyEvent.x = rect->x;
1504         dummyEvent.y = rect->y;
1505         dummyEvent.width = rect->width;
1506         dummyEvent.height = rect->height;
1507     }
1508     else
1509     {
1510         dummyEvent.x = 0;
1511         dummyEvent.y = 0;
1512         dummyEvent.width = width;
1513         dummyEvent.height = height;
1514     }
1515     dummyEvent.count = 0;
1516
1517     if (eraseBack)
1518     {
1519         wxClientDC dc(this);
1520         wxBrush backgroundBrush(GetBackgroundColour(), wxSOLID);
1521         dc.SetBackground(backgroundBrush);
1522         if (rect)
1523             dc.Clear(*rect);
1524         else
1525             dc.Clear();
1526     }
1527
1528     XSendEvent(display, thisWindow, False, ExposureMask, (XEvent *)&dummyEvent);
1529 }
1530
1531 void wxWindow::Clear()
1532 {
1533     wxClientDC dc(this);
1534     wxBrush brush(GetBackgroundColour(), wxSOLID);
1535     dc.SetBackground(brush);
1536     dc.Clear();
1537 }
1538
1539 void wxWindow::ClearUpdateRects()
1540 {
1541     wxRectList::Node* node = m_updateRects.GetFirst();
1542     while (node)
1543     {
1544         wxRect* rect = node->GetData();
1545         delete rect;
1546         node = node->GetNext();
1547     }
1548
1549     m_updateRects.Clear();
1550 }
1551
1552 void wxWindow::DoPaint()
1553 {
1554     //TODO : make a temporary gc so we can do the XCopyArea below
1555     if (m_backingPixmap && !m_needsRefresh)
1556     {
1557       wxPaintDC dc(this);
1558
1559       GC tempGC = (GC) dc.GetBackingGC();
1560
1561       Widget widget = (Widget) GetMainWidget();
1562
1563       int scrollPosX = 0;
1564       int scrollPosY = 0;
1565
1566       // We have to test whether it's a wxScrolledWindow (hack!) because
1567       // otherwise we don't know how many pixels have been scrolled. We might
1568       // solve this in the future by defining virtual wxWindow functions to get
1569       // the scroll position in pixels. Or, each kind of scrolled window has to
1570       // implement backing stores itself, using generic wxWindows code.
1571       wxScrolledWindow* scrolledWindow = wxDynamicCast(this, wxScrolledWindow);
1572       if ( scrolledWindow )
1573       {
1574           int x, y;
1575           scrolledWindow->CalcScrolledPosition(0, 0, &x, &y);
1576
1577           scrollPosX = - x;
1578           scrollPosY = - y;
1579       }
1580
1581       // TODO: This could be optimized further by only copying the areas in the
1582       //       current update region.
1583
1584       // Only blit the part visible in the client area. The backing pixmap
1585       // always starts at 0, 0 but we may be looking at only a portion of it.
1586       wxSize clientArea = GetClientSize();
1587       int toBlitX = m_pixmapWidth - scrollPosX;
1588       int toBlitY = m_pixmapHeight - scrollPosY;
1589
1590       // Copy whichever is samller, the amount of pixmap we have to copy,
1591       // or the size of the client area.
1592       toBlitX = wxMin(toBlitX, clientArea.x);
1593       toBlitY = wxMin(toBlitY, clientArea.y);
1594
1595       // Make sure we're not negative
1596       toBlitX = wxMax(0, toBlitX);
1597       toBlitY = wxMax(0, toBlitY);
1598
1599       XCopyArea
1600       (
1601        XtDisplay(widget),
1602        (Pixmap) m_backingPixmap,
1603        XtWindow (widget),
1604        tempGC,
1605        scrollPosX, scrollPosY, // Start at the scroll position
1606        toBlitX, toBlitY,       // How much of the pixmap to copy
1607        0, 0                    // Destination
1608       );
1609     }
1610     else
1611     {
1612         // Set an erase event first
1613         wxEraseEvent eraseEvent(GetId());
1614         eraseEvent.SetEventObject(this);
1615         GetEventHandler()->ProcessEvent(eraseEvent);
1616
1617         wxPaintEvent event(GetId());
1618         event.SetEventObject(this);
1619         GetEventHandler()->ProcessEvent(event);
1620
1621         m_needsRefresh = FALSE;
1622     }
1623 }
1624
1625 // ----------------------------------------------------------------------------
1626 // event handlers
1627 // ----------------------------------------------------------------------------
1628
1629 // Responds to colour changes: passes event on to children.
1630 void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
1631 {
1632     wxWindowList::Node *node = GetChildren().GetFirst();
1633     while ( node )
1634     {
1635         // Only propagate to non-top-level windows
1636         wxWindow *win = node->GetData();
1637         if ( win->GetParent() )
1638         {
1639             wxSysColourChangedEvent event2;
1640             event.m_eventObject = win;
1641             win->GetEventHandler()->ProcessEvent(event2);
1642         }
1643
1644         node = node->GetNext();
1645     }
1646 }
1647
1648 void wxWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
1649 {
1650     // This calls the UI-update mechanism (querying windows for
1651     // menu/toolbar/control state information)
1652     UpdateWindowUI();
1653 }
1654
1655 // ----------------------------------------------------------------------------
1656 // accelerators
1657 // ----------------------------------------------------------------------------
1658
1659 bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
1660 {
1661     if (!m_acceleratorTable.Ok())
1662         return FALSE;
1663
1664     int count = m_acceleratorTable.GetCount();
1665     wxAcceleratorEntry* entries = m_acceleratorTable.GetEntries();
1666     int i;
1667     for (i = 0; i < count; i++)
1668     {
1669         wxAcceleratorEntry* entry = & (entries[i]);
1670         if (entry->MatchesEvent(event))
1671         {
1672             // Bingo, we have a match. Now find a control that matches the entry
1673             // command id.
1674
1675             // Need to go up to the top of the window hierarchy, since it might
1676             // be e.g. a menu item
1677             wxWindow* parent = this;
1678             while ( parent && !parent->IsTopLevel() )
1679                 parent = parent->GetParent();
1680
1681             if (!parent)
1682                 return FALSE;
1683
1684             wxFrame* frame = wxDynamicCast(parent, wxFrame);
1685             if ( frame )
1686             {
1687                 // Try for a menu command
1688                 if (frame->GetMenuBar())
1689                 {
1690                     wxMenuItem* item = frame->GetMenuBar()->FindItem(entry->GetCommand());
1691                     if (item)
1692                     {
1693                         wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, entry->GetCommand());
1694                         commandEvent.SetEventObject(frame);
1695
1696                         // If ProcessEvent returns TRUE (it was handled), then
1697                         // the calling code will skip the event handling.
1698                         return frame->GetEventHandler()->ProcessEvent(commandEvent);
1699                     }
1700                 }
1701             }
1702
1703             // Find a child matching the command id
1704             wxWindow* child = parent->FindWindow(entry->GetCommand());
1705
1706             // No such child
1707             if (!child)
1708                 return FALSE;
1709
1710             // Now we process those kinds of windows that we can.
1711             // For now, only buttons.
1712             if ( wxDynamicCast(child, wxButton) )
1713             {
1714                 wxCommandEvent commandEvent (wxEVT_COMMAND_BUTTON_CLICKED, child->GetId());
1715                 commandEvent.SetEventObject(child);
1716                 return child->GetEventHandler()->ProcessEvent(commandEvent);
1717             }
1718
1719             return FALSE;
1720         } // matches event
1721     }// for
1722
1723     // We didn't match the key event against an accelerator.
1724     return FALSE;
1725 }
1726
1727 // ============================================================================
1728 // Motif-specific stuff from here on
1729 // ============================================================================
1730
1731 // ----------------------------------------------------------------------------
1732 // function which maintain the global hash table mapping Widgets to wxWindows
1733 // ----------------------------------------------------------------------------
1734
1735 bool wxAddWindowToTable(Widget w, wxWindow *win)
1736 {
1737     wxWindow *oldItem = NULL;
1738     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1739     {
1740         wxLogDebug("Widget table clash: new widget is %ld, %s",
1741                    (long)w, win->GetClassInfo()->GetClassName());
1742         return FALSE;
1743     }
1744
1745     wxWidgetHashTable->Put((long) w, win);
1746
1747     wxLogTrace("widget", "Widget 0x%08x <-> window %p (%s)",
1748                w, win, win->GetClassInfo()->GetClassName());
1749
1750     return TRUE;
1751 }
1752
1753 wxWindow *wxGetWindowFromTable(Widget w)
1754 {
1755     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1756 }
1757
1758 void wxDeleteWindowFromTable(Widget w)
1759 {
1760     wxWidgetHashTable->Delete((long)w);
1761 }
1762
1763 // ----------------------------------------------------------------------------
1764 // add/remove window from the table
1765 // ----------------------------------------------------------------------------
1766
1767 // Add to hash table, add event handler
1768 bool wxWindow::AttachWidget (wxWindow* WXUNUSED(parent), WXWidget mainWidget,
1769                              WXWidget formWidget, int x, int y, int width, int height)
1770 {
1771     wxAddWindowToTable((Widget) mainWidget, this);
1772     if (CanAddEventHandler())
1773     {
1774         XtAddEventHandler((Widget) mainWidget,
1775             ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1776             False,
1777             wxPanelItemEventHandler,
1778             (XtPointer) this);
1779     }
1780
1781     if (!formWidget)
1782     {
1783         XtTranslations ptr;
1784         XtOverrideTranslations ((Widget) mainWidget,
1785             ptr = XtParseTranslationTable ("<Configure>: resize()"));
1786         XtFree ((char *) ptr);
1787     }
1788
1789     // Some widgets have a parent form widget, e.g. wxRadioBox
1790     if (formWidget)
1791     {
1792         if (!wxAddWindowToTable((Widget) formWidget, this))
1793             return FALSE;
1794
1795         XtTranslations ptr;
1796         XtOverrideTranslations ((Widget) formWidget,
1797             ptr = XtParseTranslationTable ("<Configure>: resize()"));
1798         XtFree ((char *) ptr);
1799     }
1800
1801     if (x == -1)
1802         x = 0;
1803     if (y == -1)
1804         y = 0;
1805     SetSize (x, y, width, height);
1806
1807     return TRUE;
1808 }
1809
1810 // Remove event handler, remove from hash table
1811 bool wxWindow::DetachWidget(WXWidget widget)
1812 {
1813     if (CanAddEventHandler())
1814     {
1815         XtRemoveEventHandler((Widget) widget,
1816             ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1817             False,
1818             wxPanelItemEventHandler,
1819             (XtPointer)this);
1820     }
1821
1822     wxDeleteWindowFromTable((Widget) widget);
1823     return TRUE;
1824 }
1825
1826 // ----------------------------------------------------------------------------
1827 // Motif-specific accessors
1828 // ----------------------------------------------------------------------------
1829
1830 // Get the underlying X window
1831 WXWindow wxWindow::GetXWindow() const
1832 {
1833     Widget wMain = (Widget)GetMainWidget();
1834     if ( wMain )
1835         return (WXWindow) XtWindow(wMain);
1836     else
1837         return (WXWindow) 0;
1838 }
1839
1840 // Get the underlying X display
1841 WXDisplay *wxWindow::GetXDisplay() const
1842 {
1843     Widget wMain = (Widget)GetMainWidget();
1844     if ( wMain )
1845         return (WXDisplay*) XtDisplay(wMain);
1846     else
1847         return (WXDisplay*) NULL;
1848 }
1849
1850 WXWidget wxWindow::GetMainWidget() const
1851 {
1852     if (m_drawingArea)
1853         return m_drawingArea;
1854     else
1855         return m_mainWidget;
1856 }
1857
1858 WXWidget wxWindow::GetClientWidget() const
1859 {
1860     if (m_drawingArea != (WXWidget) 0)
1861         return m_drawingArea;
1862     else
1863         return GetMainWidget();
1864 }
1865
1866 WXWidget wxWindow::GetTopWidget() const
1867 {
1868     return GetMainWidget();
1869 }
1870
1871 WXWidget wxWindow::GetLabelWidget() const
1872 {
1873     return GetMainWidget();
1874 }
1875
1876 // ----------------------------------------------------------------------------
1877 // Motif callbacks
1878 // ----------------------------------------------------------------------------
1879
1880 // All widgets should have this as their resize proc.
1881 // OnSize sent to wxWindow via client data.
1882 void wxWidgetResizeProc(Widget w, XConfigureEvent *WXUNUSED(event), String WXUNUSED(args)[], int *WXUNUSED(num_args))
1883 {
1884     wxWindow *win = wxGetWindowFromTable(w);
1885     if (!win)
1886         return;
1887
1888     if (win->PreResize())
1889     {
1890         int width, height;
1891         win->GetSize(&width, &height);
1892         wxSizeEvent sizeEvent(wxSize(width, height), win->GetId());
1893         sizeEvent.SetEventObject(win);
1894         win->GetEventHandler()->ProcessEvent(sizeEvent);
1895     }
1896 }
1897
1898 static void wxCanvasRepaintProc(Widget drawingArea,
1899                                 XtPointer clientData,
1900                                 XmDrawingAreaCallbackStruct * cbs)
1901 {
1902     if (!wxGetWindowFromTable(drawingArea))
1903         return;
1904
1905     XEvent * event = cbs->event;
1906     wxWindow * win = (wxWindow *) clientData;
1907
1908     switch (event->type)
1909     {
1910     case Expose:
1911         {
1912             win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
1913                                event->xexpose.width, event->xexpose.height);
1914
1915             if (event -> xexpose.count == 0)
1916             {
1917                 win->DoPaint();
1918                 win->ClearUpdateRects();
1919             }
1920             break;
1921         }
1922     }
1923 }
1924
1925 // Unable to deal with Enter/Leave without a separate EventHandler (Motif 1.1.4)
1926 static void wxCanvasEnterLeave(Widget drawingArea,
1927                                XtPointer WXUNUSED(clientData),
1928                                XCrossingEvent * event)
1929 {
1930     XmDrawingAreaCallbackStruct cbs;
1931     XEvent ev;
1932
1933     ((XCrossingEvent &) ev) = *event;
1934
1935     cbs.reason = XmCR_INPUT;
1936     cbs.event = &ev;
1937
1938     wxCanvasInputEvent(drawingArea, (XtPointer) NULL, &cbs);
1939 }
1940
1941 // Fix to make it work under Motif 1.0 (!)
1942 static void wxCanvasMotionEvent (Widget WXUNUSED(drawingArea), XButtonEvent * WXUNUSED(event))
1943 {
1944 #if XmVersion <= 1000
1945     XmDrawingAreaCallbackStruct cbs;
1946     XEvent ev;
1947
1948     ev = *((XEvent *) event);
1949     cbs.reason = XmCR_INPUT;
1950     cbs.event = &ev;
1951
1952     wxCanvasInputEvent (drawingArea, (XtPointer) NULL, &cbs);
1953 #endif // XmVersion <= 1000
1954 }
1955
1956 static void wxCanvasInputEvent(Widget drawingArea,
1957                                XtPointer WXUNUSED(data),
1958                                XmDrawingAreaCallbackStruct * cbs)
1959 {
1960     wxWindow *canvas = wxGetWindowFromTable(drawingArea);
1961     XEvent local_event;
1962
1963     if (canvas==NULL)
1964         return;
1965
1966     if (cbs->reason != XmCR_INPUT)
1967         return;
1968
1969     local_event = *(cbs->event);    // We must keep a copy!
1970
1971     switch (local_event.xany.type)
1972     {
1973     case EnterNotify:
1974     case LeaveNotify:
1975     case ButtonPress:
1976     case ButtonRelease:
1977     case MotionNotify:
1978         {
1979             // FIXME: most of this mouse event code is more or less
1980             // duplicated in wxTranslateMouseEvent
1981             //
1982             wxEventType eventType = wxEVT_NULL;
1983
1984             if (local_event.xany.type == EnterNotify)
1985             {
1986                 //if (local_event.xcrossing.mode!=NotifyNormal)
1987                 //  return ; // Ignore grab events
1988                 eventType = wxEVT_ENTER_WINDOW;
1989                 //            canvas->GetEventHandler()->OnSetFocus();
1990             }
1991             else if (local_event.xany.type == LeaveNotify)
1992             {
1993                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1994                 //  return ; // Ignore grab events
1995                 eventType = wxEVT_LEAVE_WINDOW;
1996                 //            canvas->GetEventHandler()->OnKillFocus();
1997             }
1998             else if (local_event.xany.type == MotionNotify)
1999             {
2000                 eventType = wxEVT_MOTION;
2001             }
2002
2003             else if (local_event.xany.type == ButtonPress)
2004             {
2005                 if (local_event.xbutton.button == Button1)
2006                 {
2007                     eventType = wxEVT_LEFT_DOWN;
2008                     canvas->SetButton1(TRUE);
2009                 }
2010                 else if (local_event.xbutton.button == Button2)
2011                 {
2012                     eventType = wxEVT_MIDDLE_DOWN;
2013                     canvas->SetButton2(TRUE);
2014                 }
2015                 else if (local_event.xbutton.button == Button3)
2016                 {
2017                     eventType = wxEVT_RIGHT_DOWN;
2018                     canvas->SetButton3(TRUE);
2019                 }
2020             }
2021             else if (local_event.xany.type == ButtonRelease)
2022             {
2023                 if (local_event.xbutton.button == Button1)
2024                 {
2025                     eventType = wxEVT_LEFT_UP;
2026                     canvas->SetButton1(FALSE);
2027                 }
2028                 else if (local_event.xbutton.button == Button2)
2029                 {
2030                     eventType = wxEVT_MIDDLE_UP;
2031                     canvas->SetButton2(FALSE);
2032                 }
2033                 else if (local_event.xbutton.button == Button3)
2034                 {
2035                     eventType = wxEVT_RIGHT_UP;
2036                     canvas->SetButton3(FALSE);
2037                 }
2038             }
2039
2040             wxMouseEvent wxevent (eventType);
2041
2042             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2043                 || (event_left_is_down (&local_event)
2044                 && (eventType != wxEVT_LEFT_UP)));
2045             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2046                 || (event_middle_is_down (&local_event)
2047                 && (eventType != wxEVT_MIDDLE_UP)));
2048             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2049                 || (event_right_is_down (&local_event)
2050                 && (eventType != wxEVT_RIGHT_UP)));
2051
2052             wxevent.m_shiftDown = local_event.xbutton.state & ShiftMask;
2053             wxevent.m_controlDown = local_event.xbutton.state & ControlMask;
2054             wxevent.m_altDown = local_event.xbutton.state & Mod3Mask;
2055             wxevent.m_metaDown = local_event.xbutton.state & Mod1Mask;
2056             wxevent.SetTimestamp(local_event.xbutton.time);
2057
2058            if ( eventType == wxEVT_MOTION )
2059            {
2060                 if (local_event.xmotion.is_hint == NotifyHint)
2061                 {
2062                     Window root, child;
2063                     Display *dpy = XtDisplay (drawingArea);
2064
2065                     XQueryPointer (dpy, XtWindow (drawingArea),
2066                         &root, &child,
2067                         &local_event.xmotion.x_root,
2068                         &local_event.xmotion.y_root,
2069                         &local_event.xmotion.x,
2070                         &local_event.xmotion.y,
2071                         &local_event.xmotion.state);
2072                 }
2073                 else
2074                 {
2075                 }
2076            }
2077
2078             // Now check if we need to translate this event into a double click
2079             if (TRUE) // canvas->doubleClickAllowed)
2080             {
2081                 if (wxevent.ButtonDown())
2082                 {
2083                     long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2084
2085                     // get button and time-stamp
2086                     int button = 0;
2087                     if (wxevent.LeftDown())
2088                         button = 1;
2089                     else if (wxevent.MiddleDown())
2090                         button = 2;
2091                     else if (wxevent.RightDown())
2092                         button = 3;
2093                     long ts = wxevent.GetTimestamp();
2094
2095                     // check, if single or double click
2096                     int buttonLast = canvas->GetLastClickedButton();
2097                     long lastTS = canvas->GetLastClickTime();
2098                     if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2099                     {
2100                         // I have a dclick
2101                         canvas->SetLastClick(0, ts);
2102                         switch ( eventType )
2103                         {
2104                         case wxEVT_LEFT_DOWN:
2105                             wxevent.SetEventType(wxEVT_LEFT_DCLICK);
2106                             break;
2107                         case wxEVT_MIDDLE_DOWN:
2108                             wxevent.SetEventType(wxEVT_MIDDLE_DCLICK);
2109                             break;
2110                         case wxEVT_RIGHT_DOWN:
2111                             wxevent.SetEventType(wxEVT_RIGHT_DCLICK);
2112                             break;
2113
2114                         default :
2115                             break;
2116                         }
2117
2118                     }
2119                     else
2120                     {
2121                         // not fast enough or different button
2122                         canvas->SetLastClick(button, ts);
2123                     }
2124                 }
2125             }
2126
2127             wxevent.SetId(canvas->GetId());
2128             wxevent.SetEventObject(canvas);
2129             wxevent.m_x = local_event.xbutton.x;
2130             wxevent.m_y = local_event.xbutton.y;
2131             canvas->GetEventHandler()->ProcessEvent (wxevent);
2132 #if 0
2133             if (eventType == wxEVT_ENTER_WINDOW ||
2134                     eventType == wxEVT_LEAVE_WINDOW ||
2135                     eventType == wxEVT_MOTION
2136                )
2137                 return;
2138 #endif // 0
2139             break;
2140       }
2141     case KeyPress:
2142         {
2143             KeySym keySym;
2144 #if 0
2145             XComposeStatus compose;
2146             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, &compose);
2147 #endif // 0
2148
2149             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2150             int id = wxCharCodeXToWX (keySym);
2151
2152             wxEventType eventType = wxEVT_CHAR;
2153
2154             wxKeyEvent event (eventType);
2155
2156             if (local_event.xkey.state & ShiftMask)
2157                 event.m_shiftDown = TRUE;
2158             if (local_event.xkey.state & ControlMask)
2159                 event.m_controlDown = TRUE;
2160             if (local_event.xkey.state & Mod3Mask)
2161                 event.m_altDown = TRUE;
2162             if (local_event.xkey.state & Mod1Mask)
2163                 event.m_metaDown = TRUE;
2164             event.SetEventObject(canvas);
2165             event.m_keyCode = id;
2166             event.SetTimestamp(local_event.xkey.time);
2167
2168             if (id > -1)
2169             {
2170                 // Implement wxFrame::OnCharHook by checking ancestor.
2171                 wxWindow *parent = canvas->GetParent();
2172                 while (parent && !parent->IsKindOf(CLASSINFO(wxFrame)))
2173                     parent = parent->GetParent();
2174
2175                 if (parent)
2176                 {
2177                     event.SetEventType(wxEVT_CHAR_HOOK);
2178                     if (parent->GetEventHandler()->ProcessEvent(event))
2179                         return;
2180                 }
2181
2182                 // For simplicity, OnKeyDown is the same as OnChar
2183                 // TODO: filter modifier key presses from OnChar
2184                 event.SetEventType(wxEVT_KEY_DOWN);
2185
2186                 // Only process OnChar if OnKeyDown didn't swallow it
2187                 if (!canvas->GetEventHandler()->ProcessEvent (event))
2188                 {
2189                   event.SetEventType(wxEVT_CHAR);
2190                   canvas->GetEventHandler()->ProcessEvent (event);
2191         }
2192             }
2193             break;
2194         }
2195     case KeyRelease:
2196         {
2197             KeySym keySym;
2198             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2199             int id = wxCharCodeXToWX (keySym);
2200
2201             wxKeyEvent event (wxEVT_KEY_UP);
2202
2203             if (local_event.xkey.state & ShiftMask)
2204                 event.m_shiftDown = TRUE;
2205             if (local_event.xkey.state & ControlMask)
2206                 event.m_controlDown = TRUE;
2207             if (local_event.xkey.state & Mod3Mask)
2208                 event.m_altDown = TRUE;
2209             if (local_event.xkey.state & Mod1Mask)
2210                 event.m_metaDown = TRUE;
2211             event.SetEventObject(canvas);
2212             event.m_keyCode = id;
2213             event.SetTimestamp(local_event.xkey.time);
2214
2215             if (id > -1)
2216             {
2217                 canvas->GetEventHandler()->ProcessEvent (event);
2218             }
2219             break;
2220         }
2221     case FocusIn:
2222         {
2223             if (local_event.xfocus.detail != NotifyPointer)
2224             {
2225                 wxFocusEvent event(wxEVT_SET_FOCUS, canvas->GetId());
2226                 event.SetEventObject(canvas);
2227                 canvas->GetEventHandler()->ProcessEvent(event);
2228             }
2229             break;
2230         }
2231     case FocusOut:
2232         {
2233             if (local_event.xfocus.detail != NotifyPointer)
2234             {
2235                 wxFocusEvent event(wxEVT_KILL_FOCUS, canvas->GetId());
2236                 event.SetEventObject(canvas);
2237                 canvas->GetEventHandler()->ProcessEvent(event);
2238             }
2239             break;
2240         }
2241     default:
2242         break;
2243     }
2244 }
2245
2246 static void wxPanelItemEventHandler(Widget    wid,
2247                                     XtPointer WXUNUSED(client_data),
2248                                     XEvent*   event,
2249                                     Boolean  *continueToDispatch)
2250 {
2251     // Widget can be a label or the actual widget.
2252
2253     wxWindow *window = wxGetWindowFromTable(wid);
2254     if (window)
2255     {
2256         wxMouseEvent wxevent(0);
2257         if (wxTranslateMouseEvent(wxevent, window, wid, event))
2258         {
2259             window->GetEventHandler()->ProcessEvent(wxevent);
2260         }
2261     }
2262
2263     // TODO: probably the key to allowing default behaviour to happen. Say we
2264     // set a m_doDefault flag to FALSE at the start of this function. Then in
2265     // e.g. wxWindow::OnMouseEvent we can call Default() which sets this flag to
2266     // TRUE, indicating that default processing can happen. Thus, behaviour can
2267     // appear to be overridden just by adding an event handler and not calling
2268     // wxWindow::OnWhatever. ALSO, maybe we can use this instead of the current
2269     // way of handling drawing area events, to simplify things.
2270     *continueToDispatch = True;
2271 }
2272
2273 static void wxScrollBarCallback(Widget scrollbar,
2274                                 XtPointer clientData,
2275                                 XmScrollBarCallbackStruct *cbs)
2276 {
2277     wxWindow *win = wxGetWindowFromTable(scrollbar);
2278     int orientation = (int) clientData;
2279
2280     wxEventType eventType = wxEVT_NULL;
2281     switch (cbs->reason)
2282     {
2283     case XmCR_INCREMENT:
2284         {
2285             eventType = wxEVT_SCROLLWIN_LINEDOWN;
2286             break;
2287         }
2288     case XmCR_DECREMENT:
2289         {
2290             eventType = wxEVT_SCROLLWIN_LINEUP;
2291             break;
2292         }
2293     case XmCR_DRAG:
2294         {
2295             eventType = wxEVT_SCROLLWIN_THUMBTRACK;
2296             break;
2297         }
2298     case XmCR_VALUE_CHANGED:
2299         {
2300             eventType = wxEVT_SCROLLWIN_THUMBRELEASE;
2301             break;
2302         }
2303     case XmCR_PAGE_INCREMENT:
2304         {
2305             eventType = wxEVT_SCROLLWIN_PAGEDOWN;
2306             break;
2307         }
2308     case XmCR_PAGE_DECREMENT:
2309         {
2310             eventType = wxEVT_SCROLLWIN_PAGEUP;
2311             break;
2312         }
2313     case XmCR_TO_TOP:
2314         {
2315             eventType = wxEVT_SCROLLWIN_TOP;
2316             break;
2317         }
2318     case XmCR_TO_BOTTOM:
2319         {
2320             eventType = wxEVT_SCROLLWIN_BOTTOM;
2321             break;
2322         }
2323     default:
2324         {
2325             // Should never get here
2326             wxFAIL_MSG("Unknown scroll event.");
2327             break;
2328         }
2329     }
2330
2331     wxScrollWinEvent event(eventType,
2332                            cbs->value,
2333                            ((orientation == XmHORIZONTAL) ?
2334                             wxHORIZONTAL : wxVERTICAL));
2335     event.SetEventObject( win );
2336     win->GetEventHandler()->ProcessEvent(event);
2337 }
2338
2339 // For repainting arbitrary windows
2340 void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event, char *)
2341 {
2342     Window window;
2343     Display *display;
2344
2345     wxWindow* win = wxGetWindowFromTable(w);
2346     if (!win)
2347         return;
2348
2349     switch(event -> type)
2350     {
2351     case Expose:
2352         {
2353             window = (Window) win -> GetXWindow();
2354             display = (Display *) win -> GetXDisplay();
2355
2356             if (event -> xexpose.count == 0)
2357             {
2358                 win->DoPaint();
2359
2360                 win->ClearUpdateRects();
2361             }
2362             else
2363             {
2364                 win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
2365                                    event->xexpose.width, event->xexpose.height);
2366             }
2367
2368             break;
2369         }
2370     }
2371 }
2372
2373 // ----------------------------------------------------------------------------
2374 // CanvaseXXXSize() functions
2375 // ----------------------------------------------------------------------------
2376
2377 // SetSize, but as per old wxCanvas (with drawing widget etc.)
2378 void wxWindow::CanvasSetSize (int x, int y, int w, int h, int sizeFlags)
2379 {
2380     // A bit of optimization to help sort out the flickers.
2381     int oldX, oldY, oldW, oldH;
2382     GetSize(& oldW, & oldH);
2383     GetPosition(& oldX, & oldY);
2384
2385     bool useOldPos = FALSE;
2386     bool useOldSize = FALSE;
2387
2388     if ((x == -1) && (x == -1) && ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0))
2389         useOldPos = TRUE;
2390     else if (x == oldX && y == oldY)
2391         useOldPos = TRUE;
2392
2393     if ((w == -1) && (h == -1))
2394         useOldSize = TRUE;
2395     else if (w == oldW && h == oldH)
2396         useOldSize = TRUE;
2397
2398     if (!wxNoOptimize::CanOptimize())
2399     {
2400         useOldSize = FALSE; useOldPos = FALSE;
2401     }
2402
2403     if (useOldPos && useOldSize)
2404         return;
2405
2406     Widget drawingArea = (Widget) m_drawingArea;
2407     bool managed = XtIsManaged(m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2408
2409     if (managed)
2410         XtUnmanageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2411     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2412
2413     int xx = x; int yy = y;
2414     AdjustForParentClientOrigin(xx, yy, sizeFlags);
2415
2416     if (!useOldPos)
2417     {
2418         if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2419         {
2420             XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2421                 XmNx, xx, NULL);
2422         }
2423
2424         if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2425         {
2426             XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2427                 XmNy, yy, NULL);
2428         }
2429     }
2430
2431     if (!useOldSize)
2432     {
2433
2434         if (w > -1)
2435         {
2436             if (m_borderWidget)
2437             {
2438                 XtVaSetValues ((Widget) m_borderWidget, XmNwidth, w, NULL);
2439                 short thick, margin;
2440                 XtVaGetValues ((Widget) m_borderWidget,
2441                     XmNshadowThickness, &thick,
2442                     XmNmarginWidth, &margin,
2443                     NULL);
2444                 w -= 2 * (thick + margin);
2445             }
2446
2447             XtVaSetValues ((Widget) m_scrolledWindow, XmNwidth, w, NULL);
2448
2449             Dimension spacing;
2450             Widget sbar;
2451             XtVaGetValues ((Widget) m_scrolledWindow,
2452                 XmNspacing, &spacing,
2453                 XmNverticalScrollBar, &sbar,
2454                 NULL);
2455             Dimension wsbar;
2456             if (sbar)
2457                 XtVaGetValues (sbar, XmNwidth, &wsbar, NULL);
2458             else
2459                 wsbar = 0;
2460
2461             w -= (spacing + wsbar);
2462
2463 #if 0
2464             XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2465 #endif // 0
2466         }
2467         if (h > -1)
2468         {
2469             if (m_borderWidget)
2470             {
2471                 XtVaSetValues ((Widget) m_borderWidget, XmNheight, h, NULL);
2472                 short thick, margin;
2473                 XtVaGetValues ((Widget) m_borderWidget,
2474                     XmNshadowThickness, &thick,
2475                     XmNmarginHeight, &margin,
2476                     NULL);
2477                 h -= 2 * (thick + margin);
2478             }
2479
2480             XtVaSetValues ((Widget) m_scrolledWindow, XmNheight, h, NULL);
2481
2482             Dimension spacing;
2483             Widget sbar;
2484             XtVaGetValues ((Widget) m_scrolledWindow,
2485                 XmNspacing, &spacing,
2486                 XmNhorizontalScrollBar, &sbar,
2487                 NULL);
2488             Dimension wsbar;
2489             if (sbar)
2490                 XtVaGetValues (sbar, XmNheight, &wsbar, NULL);
2491             else
2492                 wsbar = 0;
2493
2494             h -= (spacing + wsbar);
2495
2496 #if 0
2497             XtVaSetValues(drawingArea, XmNheight, h, NULL);
2498 #endif // 0
2499         }
2500     }
2501
2502     if (managed)
2503         XtManageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2504     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2505
2506 #if 0
2507     int ww, hh;
2508     GetClientSize (&ww, &hh);
2509     wxSizeEvent sizeEvent(wxSize(ww, hh), GetId());
2510     sizeEvent.SetEventObject(this);
2511
2512     GetEventHandler()->ProcessEvent(sizeEvent);
2513 #endif // 0
2514 }
2515
2516 void wxWindow::CanvasSetClientSize (int w, int h)
2517 {
2518     Widget drawingArea = (Widget) m_drawingArea;
2519
2520     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2521
2522     if (w > -1)
2523         XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2524     if (h > -1)
2525         XtVaSetValues(drawingArea, XmNheight, h, NULL);
2526
2527 #if 0
2528     // TODO: is this necessary?
2529     allowRepainting = FALSE;
2530
2531     XSync (XtDisplay (drawingArea), FALSE);
2532     XEvent event;
2533     while (XtAppPending (wxTheApp->appContext))
2534     {
2535         XFlush (XtDisplay (drawingArea));
2536         XtAppNextEvent (wxTheApp->appContext, &event);
2537         XtDispatchEvent (&event);
2538     }
2539 #endif // 0
2540
2541     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2542
2543 #if 0
2544     allowRepainting = TRUE;
2545     DoRefresh ();
2546
2547     wxSizeEvent sizeEvent(wxSize(w, h), GetId());
2548     sizeEvent.SetEventObject(this);
2549
2550     GetEventHandler()->ProcessEvent(sizeEvent);
2551 #endif // 0
2552 }
2553
2554 void wxWindow::CanvasGetClientSize (int *w, int *h) const
2555 {
2556     // Must return the same thing that was set via SetClientSize
2557     Dimension xx, yy;
2558     XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2559     *w = xx;
2560     *h = yy;
2561 }
2562
2563 void wxWindow::CanvasGetSize (int *w, int *h) const
2564 {
2565     Dimension xx, yy;
2566     if ((Widget) m_borderWidget)
2567         XtVaGetValues ((Widget) m_borderWidget, XmNwidth, &xx, XmNheight, &yy, NULL);
2568     else if ((Widget) m_scrolledWindow)
2569         XtVaGetValues ((Widget) m_scrolledWindow, XmNwidth, &xx, XmNheight, &yy, NULL);
2570     else
2571         XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2572
2573     *w = xx;
2574     *h = yy;
2575 }
2576
2577 void wxWindow::CanvasGetPosition (int *x, int *y) const
2578 {
2579     Position xx, yy;
2580     XtVaGetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow, XmNx, &xx, XmNy, &yy, NULL);
2581
2582     // We may be faking the client origin.
2583     // So a window that's really at (0, 30) may appear
2584     // (to wxWin apps) to be at (0, 0).
2585     if (GetParent())
2586     {
2587         wxPoint pt(GetParent()->GetClientAreaOrigin());
2588         xx -= pt.x;
2589         yy -= pt.y;
2590     }
2591
2592     *x = xx;
2593     *y = yy;
2594 }
2595
2596 // ----------------------------------------------------------------------------
2597 // TranslateXXXEvent() functions
2598 // ----------------------------------------------------------------------------
2599
2600 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent)
2601 {
2602     switch (xevent->xany.type)
2603     {
2604         case EnterNotify:  // never received here - yes ? MB
2605         case LeaveNotify:  // never received here - yes ? MB
2606         case ButtonPress:
2607         case ButtonRelease:
2608         case MotionNotify:
2609         {
2610             wxEventType eventType = wxEVT_NULL;
2611
2612             // FIXME: this is never true I think - MB
2613             //
2614             if (xevent->xany.type == LeaveNotify)
2615             {
2616                 win->SetButton1(FALSE);
2617                 win->SetButton2(FALSE);
2618                 win->SetButton3(FALSE);
2619                 return FALSE;
2620             }
2621             else if (xevent->xany.type == MotionNotify)
2622             {
2623                 eventType = wxEVT_MOTION;
2624             }
2625             else if (xevent->xany.type == ButtonPress)
2626             {
2627                 wxevent.SetTimestamp(xevent->xbutton.time);
2628                 int button = 0;
2629                 if (xevent->xbutton.button == Button1)
2630                 {
2631                     eventType = wxEVT_LEFT_DOWN;
2632                     win->SetButton1(TRUE);
2633                     button = 1;
2634                 }
2635                 else if (xevent->xbutton.button == Button2)
2636                 {
2637                     eventType = wxEVT_MIDDLE_DOWN;
2638                     win->SetButton2(TRUE);
2639                     button = 2;
2640                 }
2641                 else if (xevent->xbutton.button == Button3)
2642                 {
2643                     eventType = wxEVT_RIGHT_DOWN;
2644                     win->SetButton3(TRUE);
2645                     button = 3;
2646                 }
2647
2648                 // check for a double click
2649                 //
2650                 long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2651                 long ts = wxevent.GetTimestamp();
2652
2653                 int buttonLast = win->GetLastClickedButton();
2654                 long lastTS = win->GetLastClickTime();
2655                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2656                 {
2657                     // I have a dclick
2658                     win->SetLastClick(0, ts);
2659                     switch ( eventType )
2660                     {
2661                         case wxEVT_LEFT_DOWN:
2662                             eventType = wxEVT_LEFT_DCLICK;
2663                             break;
2664                         case wxEVT_MIDDLE_DOWN:
2665                             eventType = wxEVT_MIDDLE_DCLICK;
2666                             break;
2667                         case wxEVT_RIGHT_DOWN:
2668                             eventType = wxEVT_RIGHT_DCLICK;
2669                             break;
2670
2671                         default :
2672                             break;
2673                     }
2674
2675                 }
2676                 else
2677                 {
2678                     // not fast enough or different button
2679                     win->SetLastClick(button, ts);
2680                 }
2681             }
2682             else if (xevent->xany.type == ButtonRelease)
2683             {
2684                 if (xevent->xbutton.button == Button1)
2685                 {
2686                     eventType = wxEVT_LEFT_UP;
2687                     win->SetButton1(FALSE);
2688                 }
2689                 else if (xevent->xbutton.button == Button2)
2690                 {
2691                     eventType = wxEVT_MIDDLE_UP;
2692                     win->SetButton2(FALSE);
2693                 }
2694                 else if (xevent->xbutton.button == Button3)
2695                 {
2696                     eventType = wxEVT_RIGHT_UP;
2697                     win->SetButton3(FALSE);
2698                 }
2699                 else return FALSE;
2700             }
2701             else
2702             {
2703                 return FALSE;
2704             }
2705
2706             wxevent.SetEventType(eventType);
2707
2708             Position x1, y1;
2709             XtVaGetValues(widget, XmNx, &x1, XmNy, &y1, NULL);
2710
2711             int x2, y2;
2712             win->GetPosition(&x2, &y2);
2713
2714             // The button x/y must be translated to wxWindows
2715             // window space - the widget might be a label or button,
2716             // within a form.
2717             int dx = 0;
2718             int dy = 0;
2719             if (widget != (Widget)win->GetMainWidget())
2720             {
2721                 dx = x1;
2722                 dy = y1;
2723             }
2724
2725             wxevent.m_x = xevent->xbutton.x + dx;
2726             wxevent.m_y = xevent->xbutton.y + dy;
2727
2728             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2729                 || (event_left_is_down (xevent)
2730                 && (eventType != wxEVT_LEFT_UP)));
2731             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2732                 || (event_middle_is_down (xevent)
2733                 && (eventType != wxEVT_MIDDLE_UP)));
2734             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2735                 || (event_right_is_down (xevent)
2736                 && (eventType != wxEVT_RIGHT_UP)));
2737
2738             wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
2739             wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
2740             wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
2741             wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
2742
2743             wxevent.SetId(win->GetId());
2744             wxevent.SetEventObject(win);
2745
2746             return TRUE;
2747         }
2748     }
2749     return FALSE;
2750 }
2751
2752 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget WXUNUSED(widget), XEvent *xevent)
2753 {
2754     switch (xevent->xany.type)
2755     {
2756     case KeyPress:
2757     case KeyRelease:
2758         {
2759             char buf[20];
2760
2761             KeySym keySym;
2762 #if 0
2763             XComposeStatus compose;
2764             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, &compose);
2765 #endif // 0
2766             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
2767             int id = wxCharCodeXToWX (keySym);
2768
2769             if (xevent->xkey.state & ShiftMask)
2770                 wxevent.m_shiftDown = TRUE;
2771             if (xevent->xkey.state & ControlMask)
2772                 wxevent.m_controlDown = TRUE;
2773             if (xevent->xkey.state & Mod3Mask)
2774                 wxevent.m_altDown = TRUE;
2775             if (xevent->xkey.state & Mod1Mask)
2776                 wxevent.m_metaDown = TRUE;
2777             wxevent.SetEventObject(win);
2778             wxevent.m_keyCode = id;
2779             wxevent.SetTimestamp(xevent->xkey.time);
2780
2781             wxevent.m_x = xevent->xbutton.x;
2782             wxevent.m_y = xevent->xbutton.y;
2783
2784             if (id > -1)
2785                 return TRUE;
2786             else
2787                 return FALSE;
2788             break;
2789         }
2790     default:
2791         break;
2792     }
2793     return FALSE;
2794 }
2795
2796 // ----------------------------------------------------------------------------
2797 // Colour stuff
2798 // ----------------------------------------------------------------------------
2799
2800 #define YAllocColor XAllocColor
2801 XColor g_itemColors[5];
2802 int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
2803 {
2804     int result;
2805     static XmColorProc colorProc;
2806
2807     result = wxNO_COLORS;
2808
2809     if (back)
2810     {
2811         g_itemColors[0].red = (((long) back->Red ()) << 8);
2812         g_itemColors[0].green = (((long) back->Green ()) << 8);
2813         g_itemColors[0].blue = (((long) back->Blue ()) << 8);
2814         g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
2815         if (colorProc == (XmColorProc) NULL)
2816         {
2817             // Get a ptr to the actual function
2818             colorProc = XmSetColorCalculation ((XmColorProc) NULL);
2819             // And set it back to motif.
2820             XmSetColorCalculation (colorProc);
2821         }
2822         (*colorProc) (&g_itemColors[wxBACK_INDEX],
2823             &g_itemColors[wxFORE_INDEX],
2824             &g_itemColors[wxSELE_INDEX],
2825             &g_itemColors[wxTOPS_INDEX],
2826             &g_itemColors[wxBOTS_INDEX]);
2827         result = wxBACK_COLORS;
2828     }
2829     if (fore)
2830     {
2831         g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
2832         g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
2833         g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
2834         g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
2835         if (result == wxNO_COLORS)
2836             result = wxFORE_COLORS;
2837     }
2838
2839     Display *dpy = display;
2840     Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
2841
2842     if (back)
2843     {
2844         /* 5 Colours to allocate */
2845         for (int i = 0; i < 5; i++)
2846             if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
2847                 result = wxNO_COLORS;
2848     }
2849     else if (fore)
2850     {
2851         /* Only 1 colour to allocate */
2852         if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
2853             result = wxNO_COLORS;
2854     }
2855
2856     return (result);
2857
2858 }
2859
2860 // Changes the foreground and background colours to be derived from the current
2861 // background colour. To change the foreground colour, you must call
2862 // SetForegroundColour explicitly.
2863 void wxWindow::ChangeBackgroundColour()
2864 {
2865     WXWidget mainWidget = GetMainWidget();
2866     if ( mainWidget )
2867         DoChangeBackgroundColour(mainWidget, m_backgroundColour);
2868
2869     // This not necessary
2870 #if 0
2871
2872     if (m_scrolledWindow && (GetMainWidget() != m_scrolledWindow))
2873     {
2874         DoChangeBackgroundColour(m_scrolledWindow, m_backgroundColour);
2875         // Have to set the scrollbar colours back since
2876         // the scrolled window seemed to change them
2877         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
2878
2879         if (m_hScrollBar)
2880             DoChangeBackgroundColour(m_hScrollBar, backgroundColour);
2881         if (m_vScrollBar)
2882             DoChangeBackgroundColour(m_vScrollBar, backgroundColour);
2883     }
2884 #endif
2885 }
2886
2887 void wxWindow::ChangeForegroundColour()
2888 {
2889     WXWidget mainWidget = GetMainWidget();
2890     if ( mainWidget )
2891         DoChangeForegroundColour(mainWidget, m_foregroundColour);
2892     if ( m_scrolledWindow && mainWidget != m_scrolledWindow )
2893         DoChangeForegroundColour(m_scrolledWindow, m_foregroundColour);
2894 }
2895
2896 // Change a widget's foreground and background colours.
2897 void wxWindow::DoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
2898 {
2899     // When should we specify the foreground, if it's calculated
2900     // by wxComputeColours?
2901     // Solution: say we start with the default (computed) foreground colour.
2902     // If we call SetForegroundColour explicitly for a control or window,
2903     // then the foreground is changed.
2904     // Therefore SetBackgroundColour computes the foreground colour, and
2905     // SetForegroundColour changes the foreground colour. The ordering is
2906     // important.
2907
2908     Widget w = (Widget)widget;
2909     XtVaSetValues(
2910                   w,
2911                   XmNforeground, foregroundColour.AllocColour(XtDisplay(w)),
2912                   NULL
2913                  );
2914 }
2915
2916 void wxWindow::DoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour)
2917 {
2918     wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
2919         (wxColour*) NULL);
2920
2921     XtVaSetValues ((Widget) widget,
2922         XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
2923         XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
2924         XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
2925         XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
2926         NULL);
2927
2928     if (changeArmColour)
2929         XtVaSetValues ((Widget) widget,
2930         XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
2931         NULL);
2932 }
2933
2934 bool wxWindow::SetBackgroundColour(const wxColour& col)
2935 {
2936     if ( !wxWindowBase::SetBackgroundColour(col) )
2937         return FALSE;
2938
2939     ChangeBackgroundColour();
2940
2941     return TRUE;
2942 }
2943
2944 bool wxWindow::SetForegroundColour(const wxColour& col)
2945 {
2946     if ( !wxWindowBase::SetForegroundColour(col) )
2947         return FALSE;
2948
2949     ChangeForegroundColour();
2950
2951     return TRUE;
2952 }
2953
2954 void wxWindow::ChangeFont(bool keepOriginalSize)
2955 {
2956     // Note that this causes the widget to be resized back
2957     // to its original size! We therefore have to set the size
2958     // back again. TODO: a better way in Motif?
2959     Widget w = (Widget) GetLabelWidget(); // Usually the main widget
2960     if (w && m_font.Ok())
2961     {
2962         int width, height, width1, height1;
2963         GetSize(& width, & height);
2964
2965         // lesstif 0.87 hangs here
2966 #ifndef LESSTIF_VERSION
2967         XtVaSetValues (w,
2968             XmNfontList, (XmFontList) m_font.GetFontList(1.0, XtDisplay(w)),
2969             NULL);
2970 #endif
2971
2972         GetSize(& width1, & height1);
2973         if (keepOriginalSize && (width != width1 || height != height1))
2974         {
2975             SetSize(-1, -1, width, height);
2976         }
2977     }
2978 }
2979
2980 // ----------------------------------------------------------------------------
2981 // global functions
2982 // ----------------------------------------------------------------------------
2983
2984 wxWindow *wxGetActiveWindow()
2985 {
2986     // TODO
2987     wxFAIL_MSG("Not implemented");
2988     return NULL;
2989 }
2990
2991 // Find the wxWindow at the current mouse position, returning the mouse
2992 // position.
2993 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
2994 {
2995     return wxFindWindowAtPoint(wxGetMousePosition());
2996 }
2997
2998 // Get the current mouse position.
2999 wxPoint wxGetMousePosition()
3000 {
3001     Display *display = (Display*) wxGetDisplay();
3002     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
3003     Window rootReturn, childReturn;
3004     int rootX, rootY, winX, winY;
3005     unsigned int maskReturn;
3006
3007     XQueryPointer (display,
3008                    rootWindow,
3009                    &rootReturn,
3010                    &childReturn,
3011                    &rootX, &rootY, &winX, &winY, &maskReturn);
3012     return wxPoint(rootX, rootY);
3013 }
3014
3015 // ----------------------------------------------------------------------------
3016 // wxNoOptimize: switch off size optimization
3017 // ----------------------------------------------------------------------------
3018
3019 int wxNoOptimize::ms_count = 0;
3020
3021
3022
3023