src/motif/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        windows.cpp
   3 // Purpose:     wxWindow
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "window.h"
  22 #endif
  23
  24 #include "wx/setup.h"
  25 #include "wx/menu.h"
  26 #include "wx/dc.h"
  27 #include "wx/dcclient.h"
  28 #include "wx/utils.h"
  29 #include "wx/app.h"
  30 #include "wx/panel.h"
  31 #include "wx/layout.h"
  32 #include "wx/dialog.h"
  33 #include "wx/listbox.h"
  34 #include "wx/button.h"
  35 #include "wx/settings.h"
  36 #include "wx/msgdlg.h"
  37 #include "wx/frame.h"
  38 #include "wx/scrolwin.h"
  39 #include "wx/module.h"
  40 #include "wx/menuitem.h"
  41 #include "wx/log.h"
  42
  43 #if  wxUSE_DRAG_AND_DROP
  44     #include "wx/dnd.h"
  45 #endif
  46
  47 #ifdef __VMS__
  48 #pragma message disable nosimpint
  49 #endif
  50 #include <Xm/Xm.h>
  51
  52 #include <Xm/DrawingA.h>
  53 #include <Xm/ScrolledW.h>
  54 #include <Xm/ScrollBar.h>
  55 #include <Xm/Frame.h>
  56 #include <Xm/Label.h>
  57 #include <Xm/RowColumn.h>           // for XmMenuPosition
  58 #ifdef __VMS__
  59 #pragma message enable nosimpint
  60 #endif
  61
  62 #include "wx/motif/private.h"
  63
  64 #include <string.h>
  65
  66 // ----------------------------------------------------------------------------
  67 // constants
  68 // ----------------------------------------------------------------------------
  69
  70 static const int SCROLL_MARGIN = 4;
  71
  72 // ----------------------------------------------------------------------------
  73 // global variables for this module
  74 // ----------------------------------------------------------------------------
  75
  76 extern wxHashTable *wxWidgetHashTable;
  77
  78 // ----------------------------------------------------------------------------
  79 // private functions
  80 // ----------------------------------------------------------------------------
  81
  82 static void wxCanvasRepaintProc(Widget, XtPointer, XmDrawingAreaCallbackStruct * cbs);
  83 static void wxCanvasInputEvent(Widget drawingArea, XtPointer data, XmDrawingAreaCallbackStruct * cbs);
  84 static void wxCanvasMotionEvent(Widget, XButtonEvent * event);
  85 static void wxCanvasEnterLeave(Widget drawingArea, XtPointer clientData, XCrossingEvent * event);
  86 static void wxScrollBarCallback(Widget widget, XtPointer clientData,
  87                                 XmScrollBarCallbackStruct *cbs);
  88 static void wxPanelItemEventHandler(Widget    wid,
  89                                     XtPointer client_data,
  90                                     XEvent*   event,
  91                                     Boolean  *continueToDispatch);
  92
  93 // unused for now
  94 #if 0
  95
  96 // Helper function for 16-bit fonts
  97 static int str16len(const char *s)
  98 {
  99     int count = 0;
 100
 101     while (s[0] && s[1]) {
 102         count++;
 103         s += 2;
 104     }
 105
 106     return count;
 107 }
 108
 109 #endif // 0
 110
 111 // ----------------------------------------------------------------------------
 112 // macros
 113 // ----------------------------------------------------------------------------
 114
 115 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
 116 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
 117 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
 118
 119 // ----------------------------------------------------------------------------
 120 // event tables
 121 // ----------------------------------------------------------------------------
 122
 123     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
 124
 125     BEGIN_EVENT_TABLE(wxWindow, wxWindowBase)
 126         EVT_SYS_COLOUR_CHANGED(wxWindow::OnSysColourChanged)
 127         EVT_IDLE(wxWindow::OnIdle)
 128     END_EVENT_TABLE()
 129
 130 // ============================================================================
 131 // implementation
 132 // ============================================================================
 133
 134 // ----------------------------------------------------------------------------
 135 // helper functions
 136 // ----------------------------------------------------------------------------
 137
 138 void wxWindow::UnmanageAndDestroy(WXWidget widget)
 139 {
 140     Widget w = (Widget)widget;
 141     if ( w )
 142     {
 143         XtUnmanageChild(w);
 144         XtDestroyWidget(w);
 145     }
 146 }
 147
 148 bool wxWindow::MapOrUnmap(WXWidget widget, bool map)
 149 {
 150     Widget w = (Widget)widget;
 151     if ( !w )
 152         return FALSE;
 153
 154     if ( map )
 155         XtMapWidget(w);
 156     else
 157         XtUnmapWidget(w);
 158
 159     return TRUE;
 160 }
 161
 162 // ----------------------------------------------------------------------------
 163 // constructors
 164 // ----------------------------------------------------------------------------
 165
 166 void wxWindow::Init()
 167 {
 168     // generic initializations first
 169     InitBase();
 170
 171     // Motif-specific
 172     m_needsRefresh = TRUE;
 173     m_mainWidget = (WXWidget) 0;
 174
 175     m_button1Pressed =
 176     m_button2Pressed =
 177     m_button3Pressed = FALSE;
 178
 179     m_winCaptured = FALSE;
 180
 181     m_isShown = TRUE;
 182     m_isBeingDeleted = FALSE;
 183
 184     m_hScrollBar =
 185     m_vScrollBar =
 186     m_borderWidget =
 187     m_scrolledWindow =
 188     m_drawingArea = (WXWidget) 0;
 189
 190     m_hScroll =
 191     m_vScroll = FALSE;
 192
 193     m_scrollPosX =
 194     m_scrollPosY = 0;
 195
 196     m_backingPixmap = (WXPixmap) 0;
 197     m_pixmapWidth =
 198     m_pixmapHeight = 0;
 199
 200     m_pixmapOffsetX =
 201     m_pixmapOffsetY = 0;
 202
 203     m_lastTS = 0;
 204     m_lastButton = 0;
 205     m_canAddEventHandler = FALSE;
 206 }
 207
 208 // real construction (Init() must have been called before!)
 209 bool wxWindow::Create(wxWindow *parent, wxWindowID id,
 210                       const wxPoint& pos,
 211                       const wxSize& size,
 212                       long style,
 213                       const wxString& name)
 214 {
 215     wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
 216
 217     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 218
 219     parent->AddChild(this);
 220
 221     m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 222     m_foregroundColour = *wxBLACK;
 223
 224     //// TODO: we should probably optimize by only creating a
 225     //// a drawing area if we have one or more scrollbars (wxVSCROLL/wxHSCROLL).
 226     //// But for now, let's simplify things by always creating the
 227     //// drawing area, since otherwise the translations are different.
 228
 229     // New translations for getting mouse motion feedback
 230     static const String translations =
 231 "<Btn1Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 232 <Btn2Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 233 <Btn3Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 234 <BtnMotion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 235 <Btn1Down>: DrawingAreaInput() ManagerGadgetArm()\n\
 236 <Btn2Down>: DrawingAreaInput() ManagerGadgetArm()\n\
 237 <Btn3Down>: DrawingAreaInput() ManagerGadgetArm()\n\
 238 <Btn1Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
 239 <Btn2Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
 240 <Btn3Up>: DrawingAreaInput() ManagerGadgetActivate()\n\
 241 <Motion>: wxCanvasMotionEvent() DrawingAreaInput()\n\
 242 <EnterWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
 243 <LeaveWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
 244 <Key>: DrawingAreaInput()";
 245
 246     XtActionsRec actions[1];
 247     actions[0].string = "wxCanvasMotionEvent";
 248     actions[0].proc = (XtActionProc) wxCanvasMotionEvent;
 249     XtAppAddActions ((XtAppContext) wxTheApp->GetAppContext(), actions, 1);
 250
 251     Widget parentWidget = (Widget) parent->GetClientWidget();
 252
 253     if (style & wxSIMPLE_BORDER)
 254     {
 255         m_borderWidget = (WXWidget)XtVaCreateManagedWidget
 256                                    (
 257                                     "canvasBorder",
 258                                     xmFrameWidgetClass, parentWidget,
 259                                     XmNshadowType, XmSHADOW_IN,
 260                                     XmNshadowThickness, 1,
 261                                     NULL
 262                                    );
 263     } else if (style & wxSUNKEN_BORDER)
 264     {
 265         m_borderWidget = (WXWidget)XtVaCreateManagedWidget
 266                                    (
 267                                     "canvasBorder",
 268                                     xmFrameWidgetClass, parentWidget,
 269                                     XmNshadowType, XmSHADOW_IN,
 270                                     NULL
 271                                    );
 272     } else if (style & wxRAISED_BORDER)
 273     {
 274         m_borderWidget = (WXWidget)XtVaCreateManagedWidget
 275                                    (
 276                                     "canvasBorder",
 277                                     xmFrameWidgetClass, parentWidget,
 278                                     XmNshadowType, XmSHADOW_OUT,
 279                                     NULL
 280                                    );
 281     }
 282
 283     m_scrolledWindow = (WXWidget)XtVaCreateManagedWidget
 284                                  (
 285                                   "scrolledWindow",
 286                                   xmScrolledWindowWidgetClass,
 287                                   m_borderWidget ? (Widget) m_borderWidget
 288                                                  : parentWidget,
 289                                   XmNresizePolicy, XmRESIZE_NONE,
 290                                   XmNspacing, 0,
 291                                   XmNscrollingPolicy, XmAPPLICATION_DEFINED,
 292                                   //XmNscrollBarDisplayPolicy, XmAS_NEEDED,
 293                                   NULL
 294                                  );
 295
 296     XtTranslations ptr = XtParseTranslationTable(translations);
 297     m_drawingArea = (WXWidget)XtVaCreateWidget
 298                               (
 299                                name,
 300                                xmDrawingAreaWidgetClass, (Widget) m_scrolledWindow,
 301                                XmNunitType, XmPIXELS,
 302                                // XmNresizePolicy, XmRESIZE_ANY,
 303                                XmNresizePolicy, XmRESIZE_NONE,
 304                                XmNmarginHeight, 0,
 305                                XmNmarginWidth, 0,
 306                                XmNtranslations, ptr,
 307                                NULL
 308                               );
 309     XtFree((char *) ptr);
 310
 311 #if 0
 312     if (GetWindowStyleFlag() & wxOVERRIDE_KEY_TRANSLATIONS)
 313     {
 314         ptr = XtParseTranslationTable ("<Key>: DrawingAreaInput()");
 315         XtOverrideTranslations ((Widget) m_drawingArea, ptr);
 316         XtFree ((char *) ptr);
 317     }
 318 #endif // 0
 319
 320     wxAddWindowToTable((Widget) m_drawingArea, this);
 321     wxAddWindowToTable((Widget) m_scrolledWindow, this);
 322
 323     // This order is very important in Motif 1.2.1
 324     XtRealizeWidget ((Widget) m_scrolledWindow);
 325     XtRealizeWidget ((Widget) m_drawingArea);
 326     XtManageChild ((Widget) m_drawingArea);
 327
 328     ptr = XtParseTranslationTable("<Configure>: resize()");
 329     XtOverrideTranslations((Widget) m_drawingArea, ptr);
 330     XtFree ((char *) ptr);
 331
 332     XtAddCallback ((Widget) m_drawingArea, XmNexposeCallback, (XtCallbackProc) wxCanvasRepaintProc, (XtPointer) this);
 333     XtAddCallback ((Widget) m_drawingArea, XmNinputCallback, (XtCallbackProc) wxCanvasInputEvent, (XtPointer) this);
 334
 335     // TODO?
 336 #if 0
 337     display = XtDisplay (scrolledWindow);
 338     xwindow = XtWindow (drawingArea);
 339 #endif // 0
 340
 341     XtAddEventHandler(
 342                       (Widget)m_drawingArea,
 343                        PointerMotionHintMask | EnterWindowMask |
 344                        LeaveWindowMask | FocusChangeMask,
 345                        False,
 346                        (XtEventHandler) wxCanvasEnterLeave,
 347                        (XtPointer) this
 348                      );
 349
 350     // Scrolled widget needs to have its colour changed or we get a little blue
 351     // square where the scrollbars abutt
 352     wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 353     DoChangeBackgroundColour(m_scrolledWindow, backgroundColour, TRUE);
 354     DoChangeBackgroundColour(m_drawingArea, backgroundColour, TRUE);
 355
 356     XmScrolledWindowSetAreas(
 357                              (Widget)m_scrolledWindow,
 358                              (Widget) 0, (Widget) 0,
 359                              (Widget) m_drawingArea);
 360
 361 #if 0
 362     if (m_hScrollBar)
 363         XtRealizeWidget ((Widget) m_hScrollBar);
 364     if (m_vScrollBar)
 365         XtRealizeWidget ((Widget) m_vScrollBar);
 366 #endif // 0
 367
 368     // Without this, the cursor may not be restored properly (e.g. in splitter
 369     // sample).
 370     SetCursor(*wxSTANDARD_CURSOR);
 371     SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
 372     SetSize(pos.x, pos.y, size.x, size.y);
 373
 374     return TRUE;
 375 }
 376
 377 // Destructor
 378 wxWindow::~wxWindow()
 379 {
 380     m_isBeingDeleted = TRUE;
 381
 382     // Motif-specific actions first
 383     WXWidget wMain = GetMainWidget();
 384     if ( wMain )
 385     {
 386         // Removes event handlers
 387         DetachWidget(wMain);
 388     }
 389
 390     ClearUpdateRects();
 391
 392     if ( m_parent )
 393         m_parent->RemoveChild( this );
 394
 395     // If m_drawingArea, we're a fully-fledged window with drawing area,
 396     // scrollbars etc. (what wxCanvas used to be)
 397     if ( m_drawingArea )
 398     {
 399         // Destroy children before destroying self
 400         DestroyChildren();
 401
 402         if (m_backingPixmap)
 403             XFreePixmap (XtDisplay ((Widget) GetMainWidget()), (Pixmap) m_backingPixmap);
 404
 405         Widget w = (Widget) m_drawingArea;
 406         wxDeleteWindowFromTable(w);
 407
 408         if (w)
 409         {
 410             XtDestroyWidget(w);
 411             m_drawingArea = (WXWidget) 0;
 412         }
 413
 414         // Only if we're _really_ a canvas (not a dialog box/panel)
 415         if (m_scrolledWindow)
 416         {
 417             wxDeleteWindowFromTable((Widget) m_scrolledWindow);
 418         }
 419
 420         if (m_hScrollBar)
 421         {
 422             wxDeleteWindowFromTable((Widget) m_hScrollBar);
 423             XtUnmanageChild((Widget) m_hScrollBar);
 424         }
 425         if (m_vScrollBar)
 426         {
 427             wxDeleteWindowFromTable((Widget) m_vScrollBar);
 428             XtUnmanageChild((Widget) m_vScrollBar);
 429         }
 430
 431         if (m_hScrollBar)
 432             XtDestroyWidget((Widget) m_hScrollBar);
 433         if (m_vScrollBar)
 434             XtDestroyWidget((Widget) m_vScrollBar);
 435
 436         UnmanageAndDestroy(m_scrolledWindow);
 437
 438         if (m_borderWidget)
 439         {
 440             XtDestroyWidget ((Widget) m_borderWidget);
 441             m_borderWidget = (WXWidget) 0;
 442         }
 443     }
 444     else // Why wasn't this here before? JACS 8/3/2000
 445         DestroyChildren();
 446
 447
 448     // Destroy the window
 449     if (GetMainWidget())
 450     {
 451         // If this line (XtDestroyWidget) causes a crash, you may comment it out.
 452         // Child widgets will get destroyed automatically when a frame
 453         // or dialog is destroyed, but before that you may get some memory
 454         // leaks and potential layout problems if you delete and then add
 455         // child windows.
 456
 457         // GRG, Feb/2000: commented this out when adding support for
 458         //   wxSCROLL[WIN]_THUMBRELEASE events. Also it was reported
 459         //   that this call crashed wxMotif under OS/2, so it seems
 460         //   that leaving it out is the right thing to do.
 461         // SN, Feb/2000: newgrid/griddemo shows why it is needed :-(
 462         XtDestroyWidget((Widget) GetMainWidget());
 463         SetMainWidget((WXWidget) NULL);
 464     }
 465 }
 466
 467 // ----------------------------------------------------------------------------
 468 // scrollbar management
 469 // ----------------------------------------------------------------------------
 470
 471 // Helper function
 472 void wxWindow::CreateScrollbar(wxOrientation orientation)
 473 {
 474     wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
 475
 476     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
 477
 478     // Add scrollbars if required
 479     if (orientation == wxHORIZONTAL)
 480     {
 481         Widget hScrollBar = XtVaCreateManagedWidget ("hsb",
 482             xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
 483             XmNorientation, XmHORIZONTAL,
 484             NULL);
 485         XtAddCallback (hScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 486         XtAddCallback (hScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 487         XtAddCallback (hScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 488         XtAddCallback (hScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 489         XtAddCallback (hScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 490         XtAddCallback (hScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 491         XtAddCallback (hScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 492         XtAddCallback (hScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
 493
 494         XtVaSetValues (hScrollBar,
 495             XmNincrement, 1,
 496             XmNvalue, 0,
 497             NULL);
 498
 499         m_hScrollBar = (WXWidget) hScrollBar;
 500
 501         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 502         DoChangeBackgroundColour(m_hScrollBar, backgroundColour, TRUE);
 503
 504         XtRealizeWidget(hScrollBar);
 505
 506         XtVaSetValues((Widget) m_scrolledWindow,
 507             XmNhorizontalScrollBar, (Widget) m_hScrollBar,
 508             NULL);
 509
 510         m_hScroll = TRUE;
 511
 512         wxAddWindowToTable( hScrollBar, this );
 513     }
 514
 515     if (orientation == wxVERTICAL)
 516     {
 517         Widget vScrollBar = XtVaCreateManagedWidget ("vsb",
 518             xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
 519             XmNorientation, XmVERTICAL,
 520             NULL);
 521         XtAddCallback (vScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 522         XtAddCallback (vScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 523         XtAddCallback (vScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 524         XtAddCallback (vScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 525         XtAddCallback (vScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 526         XtAddCallback (vScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 527         XtAddCallback (vScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 528         XtAddCallback (vScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
 529
 530         XtVaSetValues (vScrollBar,
 531             XmNincrement, 1,
 532             XmNvalue, 0,
 533             NULL);
 534
 535         m_vScrollBar = (WXWidget) vScrollBar;
 536         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 537         DoChangeBackgroundColour(m_vScrollBar, backgroundColour, TRUE);
 538
 539         XtRealizeWidget(vScrollBar);
 540
 541         XtVaSetValues((Widget) m_scrolledWindow,
 542             XmNverticalScrollBar, (Widget) m_vScrollBar,
 543             NULL);
 544
 545         m_vScroll = TRUE;
 546
 547         wxAddWindowToTable( vScrollBar, this );
 548     }
 549
 550     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
 551 }
 552
 553 void wxWindow::DestroyScrollbar(wxOrientation orientation)
 554 {
 555     wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
 556
 557     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
 558     // Add scrollbars if required
 559     if (orientation == wxHORIZONTAL)
 560     {
 561         if (m_hScrollBar)
 562         {
 563             wxDeleteWindowFromTable((Widget)m_hScrollBar);
 564             XtDestroyWidget((Widget) m_hScrollBar);
 565         }
 566         m_hScrollBar = (WXWidget) 0;
 567         m_hScroll = FALSE;
 568
 569         XtVaSetValues((Widget) m_scrolledWindow,
 570             XmNhorizontalScrollBar, (Widget) 0,
 571             NULL);
 572
 573     }
 574
 575     if (orientation == wxVERTICAL)
 576     {
 577         if (m_vScrollBar)
 578         {
 579             wxDeleteWindowFromTable((Widget)m_vScrollBar);
 580             XtDestroyWidget((Widget) m_vScrollBar);
 581         }
 582         m_vScrollBar = (WXWidget) 0;
 583         m_vScroll = FALSE;
 584
 585         XtVaSetValues((Widget) m_scrolledWindow,
 586             XmNverticalScrollBar, (Widget) 0,
 587             NULL);
 588
 589     }
 590     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
 591 }
 592
 593 // ---------------------------------------------------------------------------
 594 // basic operations
 595 // ---------------------------------------------------------------------------
 596
 597 void wxWindow::SetFocus()
 598 {
 599     Widget wMain = (Widget) GetMainWidget();
 600     XmProcessTraversal(wMain, XmTRAVERSE_CURRENT);
 601     XmProcessTraversal((Widget) GetMainWidget(), XmTRAVERSE_CURRENT);
 602 }
 603
 604 // Get the window with the focus
 605 wxWindow *wxWindowBase::FindFocus()
 606 {
 607     // TODO Problems:
 608     // (1) Can there be multiple focussed widgets in an application?
 609     // In which case we need to find the top-level window that's
 610     // currently active.
 611     // (2) The widget with the focus may not be in the widget table
 612     // depending on which widgets I put in the table
 613     wxWindow *winFocus = (wxWindow *)NULL;
 614     for ( wxWindowList::Node *node = wxTopLevelWindows.GetFirst();
 615           node;
 616           node = node->GetNext() )
 617     {
 618         wxWindow *win = node->GetData();
 619
 620         Widget w = XmGetFocusWidget ((Widget) win->GetTopWidget());
 621
 622         if (w != (Widget) NULL)
 623         {
 624             winFocus = wxGetWindowFromTable(w);
 625             if ( winFocus )
 626                 break;
 627         }
 628     }
 629
 630     return winFocus;
 631 }
 632
 633 bool wxWindow::Enable(bool enable)
 634 {
 635     if ( !wxWindowBase::Enable(enable) )
 636         return FALSE;
 637
 638     Widget wMain = (Widget)GetMainWidget();
 639     if ( wMain )
 640     {
 641         XtSetSensitive(wMain, enable);
 642         XmUpdateDisplay(wMain);
 643     }
 644
 645     return TRUE;
 646 }
 647
 648 bool wxWindow::Show(bool show)
 649 {
 650     if ( !wxWindowBase::Show(show) )
 651         return FALSE;
 652
 653     if (m_borderWidget || m_scrolledWindow)
 654     {
 655         MapOrUnmap(m_drawingArea, show);
 656         MapOrUnmap(m_borderWidget ? m_borderWidget : m_scrolledWindow, show);
 657     }
 658     else
 659     {
 660         if ( !MapOrUnmap(GetTopWidget(), show) )
 661             MapOrUnmap(GetMainWidget(), show);
 662     }
 663
 664 #if 0
 665     Window xwin = (Window) GetXWindow();
 666     Display *xdisp = (Display*) GetXDisplay();
 667     if (show)
 668         XMapWindow(xdisp, xwin);
 669     else
 670         XUnmapWindow(xdisp, xwin);
 671 #endif
 672
 673     return TRUE;
 674 }
 675
 676 // Raise the window to the top of the Z order
 677 void wxWindow::Raise()
 678 {
 679     Widget wTop = (Widget) GetTopWidget();
 680     Window window = XtWindow(wTop);
 681     XRaiseWindow(XtDisplay(wTop), window);
 682 }
 683
 684 // Lower the window to the bottom of the Z order
 685 void wxWindow::Lower()
 686 {
 687     Widget wTop = (Widget) GetTopWidget();
 688     Window window = XtWindow(wTop);
 689     XLowerWindow(XtDisplay(wTop), window);
 690 }
 691
 692 void wxWindow::SetTitle(const wxString& title)
 693 {
 694     XtVaSetValues((Widget)GetMainWidget(), XmNtitle, title.c_str(), NULL);
 695 }
 696
 697 wxString wxWindow::GetTitle() const
 698 {
 699     char *title;
 700     XtVaGetValues((Widget)GetMainWidget(), XmNtitle, &title, NULL);
 701
 702     return wxString(title);
 703 }
 704
 705 void wxWindow::CaptureMouse()
 706 {
 707     if ( m_winCaptured )
 708         return;
 709
 710     Widget wMain = (Widget)GetMainWidget();
 711     if ( wMain )
 712         XtAddGrab(wMain, TRUE, FALSE);
 713
 714     m_winCaptured = TRUE;
 715 }
 716
 717 void wxWindow::ReleaseMouse()
 718 {
 719     if ( !m_winCaptured )
 720         return;
 721
 722     Widget wMain = (Widget)GetMainWidget();
 723     if ( wMain )
 724         XtRemoveGrab(wMain);
 725
 726     m_winCaptured = FALSE;
 727 }
 728
 729 bool wxWindow::SetFont(const wxFont& font)
 730 {
 731     if ( !wxWindowBase::SetFont(font) )
 732     {
 733         // nothing to do
 734         return FALSE;
 735     }
 736
 737     ChangeFont();
 738
 739     return TRUE;
 740 }
 741
 742 bool wxWindow::SetCursor(const wxCursor& cursor)
 743 {
 744     if ( !wxWindowBase::SetCursor(cursor) )
 745     {
 746         // no change
 747         return FALSE;
 748     }
 749
 750     //    wxASSERT_MSG( m_cursor.Ok(),
 751     //                  wxT("cursor must be valid after call to the base version"));
 752     wxCursor* cursor2 = NULL;
 753     if (m_cursor.Ok())
 754         cursor2 = & m_cursor;
 755     else
 756         cursor2 = wxSTANDARD_CURSOR;
 757
 758     WXDisplay *dpy = GetXDisplay();
 759     WXCursor x_cursor = cursor2->GetXCursor(dpy);
 760
 761     Widget w = (Widget) GetMainWidget();
 762     Window win = XtWindow(w);
 763     XDefineCursor((Display*) dpy, win, (Cursor) x_cursor);
 764
 765     return TRUE;
 766 }
 767
 768 // Coordinates relative to the window
 769 void wxWindow::WarpPointer (int x, int y)
 770 {
 771     Widget wClient = (Widget)GetClientWidget();
 772
 773     XWarpPointer(XtDisplay(wClient), None, XtWindow(wClient), 0, 0, 0, 0, x, y);
 774 }
 775
 776 // ---------------------------------------------------------------------------
 777 // scrolling stuff
 778 // ---------------------------------------------------------------------------
 779
 780 int wxWindow::GetScrollPos(int orient) const
 781 {
 782     if (orient == wxHORIZONTAL)
 783         return m_scrollPosX;
 784     else
 785         return m_scrollPosY;
 786
 787 #if 0
 788     Widget scrollBar = (Widget) ((orient == wxHORIZONTAL) ? m_hScrollBar : m_vScrollBar);
 789     if (scrollBar)
 790     {
 791         int pos;
 792         XtVaGetValues(scrollBar, XmNvalue, &pos, NULL);
 793         return pos;
 794     }
 795     else
 796         return 0;
 797 #endif // 0
 798 }
 799
 800 // This now returns the whole range, not just the number of positions that we
 801 // can scroll.
 802 int wxWindow::GetScrollRange(int orient) const
 803 {
 804     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 805     wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
 806
 807     int range;
 808     XtVaGetValues(scrollBar, XmNmaximum, &range, NULL);
 809     return range;
 810 }
 811
 812 int wxWindow::GetScrollThumb(int orient) const
 813 {
 814     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 815     wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
 816
 817     int thumb;
 818     XtVaGetValues(scrollBar, XmNsliderSize, &thumb, NULL);
 819     return thumb;
 820 }
 821
 822 void wxWindow::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh))
 823 {
 824     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
 825
 826     if ( scrollBar )
 827     {
 828         XtVaSetValues (scrollBar, XmNvalue, pos, NULL);
 829     }
 830
 831     SetInternalScrollPos((wxOrientation)orient, pos);
 832 }
 833
 834 // New function that will replace some of the above.
 835 void wxWindow::SetScrollbar(int orient, int pos, int thumbVisible,
 836                             int range, bool WXUNUSED(refresh))
 837 {
 838     int oldW, oldH;
 839     GetSize(& oldW, & oldH);
 840
 841     if (range == 0)
 842         range = 1;
 843     if (thumbVisible == 0)
 844         thumbVisible = 1;
 845
 846     if (thumbVisible > range)
 847         thumbVisible = range;
 848
 849     // Save the old state to see if it changed
 850     WXWidget oldScrollBar = GetScrollbar((wxOrientation)orient);
 851
 852     if (orient == wxHORIZONTAL)
 853     {
 854         if (thumbVisible == range)
 855         {
 856             if (m_hScrollBar)
 857                 DestroyScrollbar(wxHORIZONTAL);
 858         }
 859         else
 860         {
 861             if (!m_hScrollBar)
 862                 CreateScrollbar(wxHORIZONTAL);
 863         }
 864     }
 865     if (orient == wxVERTICAL)
 866     {
 867         if (thumbVisible == range)
 868         {
 869             if (m_vScrollBar)
 870                 DestroyScrollbar(wxVERTICAL);
 871         }
 872         else
 873         {
 874             if (!m_vScrollBar)
 875                 CreateScrollbar(wxVERTICAL);
 876         }
 877     }
 878     WXWidget newScrollBar =  GetScrollbar((wxOrientation)orient);
 879
 880     if (oldScrollBar != newScrollBar)
 881     {
 882         // This is important! Without it, scrollbars misbehave badly.
 883         XtUnrealizeWidget((Widget) m_scrolledWindow);
 884         XmScrolledWindowSetAreas ((Widget) m_scrolledWindow, (Widget) m_hScrollBar, (Widget) m_vScrollBar, (Widget) m_drawingArea);
 885         XtRealizeWidget((Widget) m_scrolledWindow);
 886         XtManageChild((Widget) m_scrolledWindow);
 887     }
 888
 889     if (newScrollBar)
 890     {
 891         XtVaSetValues((Widget) newScrollBar,
 892         XmNvalue, pos,
 893         XmNminimum, 0,
 894         XmNmaximum, range,
 895         XmNsliderSize, thumbVisible,
 896         NULL);
 897     }
 898
 899     SetInternalScrollPos((wxOrientation)orient, pos);
 900
 901     int newW, newH;
 902     GetSize(& newW, & newH);
 903
 904     // Adjusting scrollbars can resize the canvas accidentally
 905     if (newW != oldW || newH != oldH)
 906         SetSize(-1, -1, oldW, oldH);
 907 }
 908
 909 // Does a physical scroll
 910 void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
 911 {
 912     int x, y, w, h;
 913     if (rect)
 914     {
 915         // Use specified rectangle
 916         x = rect->x; y = rect->y; w = rect->width; h = rect->height;
 917     }
 918     else
 919     {
 920         // Use whole client area
 921         x = 0; y = 0;
 922         GetClientSize(& w, & h);
 923     }
 924
 925     wxNode *cnode = m_children.First();
 926     while (cnode)
 927     {
 928         wxWindow *child = (wxWindow*) cnode->Data();
 929         int sx = 0;
 930         int sy = 0;
 931         child->GetSize( &sx, &sy );
 932         wxPoint pos( child->GetPosition() );
 933         child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
 934         cnode = cnode->Next();
 935     }
 936
 937     int x1 = (dx >= 0) ? x : x - dx;
 938     int y1 = (dy >= 0) ? y : y - dy;
 939     int w1 = w - abs(dx);
 940     int h1 = h - abs(dy);
 941     int x2 = (dx >= 0) ? x + dx : x;
 942     int y2 = (dy >= 0) ? y + dy : y;
 943
 944     wxClientDC dc(this);
 945
 946     dc.SetLogicalFunction (wxCOPY);
 947
 948     Widget widget = (Widget) GetMainWidget();
 949     Window window = XtWindow(widget);
 950     Display* display = XtDisplay(widget);
 951
 952     XCopyArea(display, window, window, (GC) dc.GetGC(),
 953               x1, y1, w1, h1, x2, y2);
 954
 955     dc.SetAutoSetting(TRUE);
 956     wxBrush brush(GetBackgroundColour(), wxSOLID);
 957     dc.SetBrush(brush); // FIXME: needed?
 958
 959     // We'll add rectangles to the list of update rectangles according to which
 960     // bits we've exposed.
 961     wxList updateRects;
 962
 963     if (dx > 0)
 964     {
 965         wxRect *rect = new wxRect;
 966         rect->x = x;
 967         rect->y = y;
 968         rect->width = dx;
 969         rect->height = h;
 970
 971         XFillRectangle(display, window,
 972             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 973
 974         rect->x = rect->x;
 975         rect->y = rect->y;
 976         rect->width = rect->width;
 977         rect->height = rect->height;
 978
 979         updateRects.Append((wxObject*) rect);
 980     }
 981     else if (dx < 0)
 982     {
 983         wxRect *rect = new wxRect;
 984
 985         rect->x = x + w + dx;
 986         rect->y = y;
 987         rect->width = -dx;
 988         rect->height = h;
 989
 990         XFillRectangle(display, window,
 991             (GC) dc.GetGC(), rect->x, rect->y, rect->width,
 992             rect->height);
 993
 994         rect->x = rect->x;
 995         rect->y = rect->y;
 996         rect->width = rect->width;
 997         rect->height = rect->height;
 998
 999         updateRects.Append((wxObject*) rect);
1000     }
1001     if (dy > 0)
1002     {
1003         wxRect *rect = new wxRect;
1004
1005         rect->x = x;
1006         rect->y = y;
1007         rect->width = w;
1008         rect->height = dy;
1009
1010         XFillRectangle(display, window,
1011             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
1012
1013         rect->x = rect->x;
1014         rect->y = rect->y;
1015         rect->width = rect->width;
1016         rect->height = rect->height;
1017
1018         updateRects.Append((wxObject*) rect);
1019     }
1020     else if (dy < 0)
1021     {
1022         wxRect *rect = new wxRect;
1023
1024         rect->x = x;
1025         rect->y = y + h + dy;
1026         rect->width = w;
1027         rect->height = -dy;
1028
1029         XFillRectangle(display, window,
1030             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
1031
1032         rect->x = rect->x;
1033         rect->y = rect->y;
1034         rect->width = rect->width;
1035         rect->height = rect->height;
1036
1037         updateRects.Append((wxObject*) rect);
1038     }
1039     dc.SetBrush(wxNullBrush);
1040
1041     // Now send expose events
1042
1043     wxNode* node = updateRects.First();
1044     while (node)
1045     {
1046         wxRect* rect = (wxRect*) node->Data();
1047         XExposeEvent event;
1048
1049         event.type = Expose;
1050         event.display = display;
1051         event.send_event = True;
1052         event.window = window;
1053
1054         event.x = rect->x;
1055         event.y = rect->y;
1056         event.width = rect->width;
1057         event.height = rect->height;
1058
1059         event.count = 0;
1060
1061         XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
1062
1063         node = node->Next();
1064
1065     }
1066
1067     // Delete the update rects
1068     node = updateRects.First();
1069     while (node)
1070     {
1071         wxRect* rect = (wxRect*) node->Data();
1072         delete rect;
1073         node = node->Next();
1074     }
1075
1076     XmUpdateDisplay((Widget) GetMainWidget());
1077 }
1078
1079 // ---------------------------------------------------------------------------
1080 // drag and drop
1081 // ---------------------------------------------------------------------------
1082
1083 #if wxUSE_DRAG_AND_DROP
1084
1085 void wxWindow::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
1086 {
1087     // TODO
1088 }
1089
1090 #endif
1091
1092 // Old style file-manager drag&drop
1093 void wxWindow::DragAcceptFiles(bool WXUNUSED(accept))
1094 {
1095     // TODO
1096 }
1097
1098 // ----------------------------------------------------------------------------
1099 // tooltips
1100 // ----------------------------------------------------------------------------
1101
1102 #if wxUSE_TOOLTIPS
1103
1104 void wxWindow::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
1105 {
1106     // TODO
1107 }
1108
1109 #endif // wxUSE_TOOLTIPS
1110
1111 // ----------------------------------------------------------------------------
1112 // popup menus
1113 // ----------------------------------------------------------------------------
1114
1115 bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
1116 {
1117     Widget widget = (Widget) GetMainWidget();
1118
1119     /* The menuId field seems to be usused, so we'll use it to
1120     indicate whether a menu is popped up or not:
1121     0: Not currently created as a popup
1122     -1: Created as a popup, but not active
1123     1: Active popup.
1124     */
1125
1126     if (menu->GetParent() && (menu->GetId() != -1))
1127         return FALSE;
1128
1129     if (menu->GetMainWidget()) {
1130         menu->DestroyMenu(TRUE);
1131     }
1132
1133     menu->SetId(1); /* Mark as popped-up */
1134     menu->CreateMenu(NULL, widget, menu);
1135     menu->SetInvokingWindow(this);
1136
1137     menu->UpdateUI();
1138
1139     //  menu->SetParent(parent);
1140     //  parent->children->Append(menu);  // Store menu for later deletion
1141
1142     Widget menuWidget = (Widget) menu->GetMainWidget();
1143
1144     int rootX = 0;
1145     int rootY = 0;
1146
1147     int deviceX = x;
1148     int deviceY = y;
1149     /*
1150     if (this->IsKindOf(CLASSINFO(wxCanvas)))
1151     {
1152     wxCanvas *canvas = (wxCanvas *) this;
1153     deviceX = canvas->GetDC ()->LogicalToDeviceX (x);
1154     deviceY = canvas->GetDC ()->LogicalToDeviceY (y);
1155     }
1156     */
1157
1158     Display *display = XtDisplay (widget);
1159     Window rootWindow = RootWindowOfScreen (XtScreen((Widget)widget));
1160     Window thisWindow = XtWindow (widget);
1161     Window childWindow;
1162     XTranslateCoordinates (display, thisWindow, rootWindow, (int) deviceX, (int) deviceY,
1163         &rootX, &rootY, &childWindow);
1164
1165     XButtonPressedEvent event;
1166     event.type = ButtonPress;
1167     event.button = 1;
1168
1169     event.x = deviceX;
1170     event.y = deviceY;
1171
1172     event.x_root = rootX;
1173     event.y_root = rootY;
1174
1175     XmMenuPosition (menuWidget, &event);
1176     XtManageChild (menuWidget);
1177
1178     return TRUE;
1179 }
1180
1181 // ---------------------------------------------------------------------------
1182 // moving and resizing
1183 // ---------------------------------------------------------------------------
1184
1185 bool wxWindow::PreResize()
1186 {
1187     return TRUE;
1188 }
1189
1190 // Get total size
1191 void wxWindow::DoGetSize(int *x, int *y) const
1192 {
1193     if (m_drawingArea)
1194     {
1195         CanvasGetSize(x, y);
1196         return;
1197     }
1198
1199     Widget widget = (Widget) GetTopWidget();
1200     Dimension xx, yy;
1201     XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1202     if(x) *x = xx; if(y) *y = yy;
1203 }
1204
1205 void wxWindow::DoGetPosition(int *x, int *y) const
1206 {
1207     if (m_drawingArea)
1208     {
1209         CanvasGetPosition(x, y);
1210         return;
1211     }
1212     Widget widget = (Widget) GetTopWidget();
1213     Position xx, yy;
1214     XtVaGetValues(widget, XmNx, &xx, XmNy, &yy, NULL);
1215
1216     // We may be faking the client origin. So a window that's really at (0, 30)
1217     // may appear (to wxWin apps) to be at (0, 0).
1218     if (GetParent())
1219     {
1220         wxPoint pt(GetParent()->GetClientAreaOrigin());
1221         xx -= pt.x;
1222         yy -= pt.y;
1223     }
1224
1225     if(x) *x = xx; if(y) *y = yy;
1226 }
1227
1228 void wxWindow::DoScreenToClient(int *x, int *y) const
1229 {
1230     Widget widget = (Widget) GetClientWidget();
1231     Display *display = XtDisplay((Widget) GetMainWidget());
1232     Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1233     Window thisWindow = XtWindow(widget);
1234
1235     Window childWindow;
1236     int xx = *x;
1237     int yy = *y;
1238     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
1239 }
1240
1241 void wxWindow::DoClientToScreen(int *x, int *y) const
1242 {
1243     Widget widget = (Widget) GetClientWidget();
1244     Display *display = XtDisplay(widget);
1245     Window rootWindow = RootWindowOfScreen(XtScreen(widget));
1246     Window thisWindow = XtWindow(widget);
1247
1248     Window childWindow;
1249     int xx = *x;
1250     int yy = *y;
1251     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
1252 }
1253
1254
1255 // Get size *available for subwindows* i.e. excluding menu bar etc.
1256 void wxWindow::DoGetClientSize(int *x, int *y) const
1257 {
1258     Widget widget = (Widget) GetClientWidget();
1259     Dimension xx, yy;
1260     XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
1261     if(x) *x = xx; if(y) *y = yy;
1262 }
1263
1264 void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1265 {
1266     // A bit of optimization to help sort out the flickers.
1267     int oldX, oldY, oldW, oldH;
1268     GetSize(& oldW, & oldH);
1269     GetPosition(& oldX, & oldY);
1270
1271     if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1272     {
1273         if ( x == -1 )
1274             x = oldX;
1275         if ( y == -1 )
1276             y = oldY;
1277     }
1278
1279     if ( width == -1 )
1280         width = oldW;
1281     if ( height == -1 )
1282         height = oldH;
1283
1284     bool nothingChanged = (x == oldX) && (y == oldY) &&
1285                           (width == oldW) && (height == oldH);
1286
1287     if (!wxNoOptimize::CanOptimize())
1288     {
1289         nothingChanged = FALSE;
1290     }
1291
1292     if ( !nothingChanged )
1293     {
1294         if (m_drawingArea)
1295         {
1296             CanvasSetSize(x, y, width, height, sizeFlags);
1297             return;
1298         }
1299
1300         Widget widget = (Widget) GetTopWidget();
1301         if (!widget)
1302             return;
1303
1304         bool managed = XtIsManaged( widget );
1305         if (managed)
1306             XtUnmanageChild(widget);
1307
1308         int xx = x;
1309         int yy = y;
1310         AdjustForParentClientOrigin(xx, yy, sizeFlags);
1311
1312         DoMoveWindow(xx, yy, width, height);
1313
1314         if (managed)
1315             XtManageChild(widget);
1316
1317         // How about this bit. Maybe we don't need to generate size events
1318         // all the time -- they'll be generated when the window is sized anyway.
1319 #if 0
1320         wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1321         sizeEvent.SetEventObject(this);
1322
1323         GetEventHandler()->ProcessEvent(sizeEvent);
1324 #endif // 0
1325     }
1326 }
1327
1328 void wxWindow::DoSetClientSize(int width, int height)
1329 {
1330     if (m_drawingArea)
1331     {
1332         CanvasSetClientSize(width, height);
1333         return;
1334     }
1335
1336     Widget widget = (Widget) GetTopWidget();
1337
1338     if (width > -1)
1339         XtVaSetValues(widget, XmNwidth, width, NULL);
1340     if (height > -1)
1341         XtVaSetValues(widget, XmNheight, height, NULL);
1342
1343     wxSizeEvent sizeEvent(wxSize(width, height), GetId());
1344     sizeEvent.SetEventObject(this);
1345
1346     GetEventHandler()->ProcessEvent(sizeEvent);
1347 }
1348
1349 // For implementation purposes - sometimes decorations make the client area
1350 // smaller
1351 wxPoint wxWindow::GetClientAreaOrigin() const
1352 {
1353     return wxPoint(0, 0);
1354 }
1355
1356 // Makes an adjustment to the window position (for example, a frame that has
1357 // a toolbar that it manages itself).
1358 void wxWindow::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
1359 {
1360     if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
1361     {
1362         wxPoint pt(GetParent()->GetClientAreaOrigin());
1363         x += pt.x; y += pt.y;
1364     }
1365 }
1366
1367 void wxWindow::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
1368 {
1369     m_minWidth = minW;
1370     m_minHeight = minH;
1371     m_maxWidth = maxW;
1372     m_maxHeight = maxH;
1373
1374     wxFrame *frame = wxDynamicCast(this, wxFrame);
1375     if ( !frame )
1376     {
1377         // TODO what about dialogs?
1378         return;
1379     }
1380
1381     Widget widget = (Widget) frame->GetShellWidget();
1382
1383     if (minW > -1)
1384         XtVaSetValues(widget, XmNminWidth, minW, NULL);
1385     if (minH > -1)
1386         XtVaSetValues(widget, XmNminHeight, minH, NULL);
1387     if (maxW > -1)
1388         XtVaSetValues(widget, XmNmaxWidth, maxW, NULL);
1389     if (maxH > -1)
1390         XtVaSetValues(widget, XmNmaxHeight, maxH, NULL);
1391     if (incW > -1)
1392         XtVaSetValues(widget, XmNwidthInc, incW, NULL);
1393     if (incH > -1)
1394         XtVaSetValues(widget, XmNheightInc, incH, NULL);
1395 }
1396
1397 void wxWindow::DoMoveWindow(int x, int y, int width, int height)
1398 {
1399     XtVaSetValues((Widget)GetTopWidget(),
1400                   XmNx, x,
1401                   XmNy, y,
1402                   XmNwidth, width,
1403                   XmNheight, height,
1404                   NULL);
1405 }
1406
1407 // ---------------------------------------------------------------------------
1408 // text metrics
1409 // ---------------------------------------------------------------------------
1410
1411 int wxWindow::GetCharHeight() const
1412 {
1413     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1414
1415     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1416
1417     int direction, ascent, descent;
1418     XCharStruct overall;
1419     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1420         &descent, &overall);
1421
1422     //  return (overall.ascent + overall.descent);
1423     return (ascent + descent);
1424 }
1425
1426 int wxWindow::GetCharWidth() const
1427 {
1428     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1429
1430     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
1431
1432     int direction, ascent, descent;
1433     XCharStruct overall;
1434     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1435         &descent, &overall);
1436
1437     return overall.width;
1438 }
1439
1440 void wxWindow::GetTextExtent(const wxString& string,
1441                              int *x, int *y,
1442                              int *descent, int *externalLeading,
1443                              const wxFont *theFont) const
1444 {
1445     wxFont *fontToUse = (wxFont *)theFont;
1446     if (!fontToUse)
1447         fontToUse = (wxFont *) & m_font;
1448
1449     wxCHECK_RET( fontToUse->Ok(), "valid window font needed" );
1450
1451     WXFontStructPtr pFontStruct = theFont->GetFontStruct(1.0, GetXDisplay());
1452
1453     int direction, ascent, descent2;
1454     XCharStruct overall;
1455     int slen = string.Len();
1456
1457 #if 0
1458     if (use16)
1459         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
1460         &ascent, &descent2, &overall);
1461 #endif
1462
1463     XTextExtents((XFontStruct*) pFontStruct, string, slen,
1464                  &direction, &ascent, &descent2, &overall);
1465
1466     if ( x )
1467         *x = (overall.width);
1468     if ( y )
1469         *y = (ascent + descent2);
1470     if (descent)
1471         *descent = descent2;
1472     if (externalLeading)
1473         *externalLeading = 0;
1474
1475 }
1476
1477 // ----------------------------------------------------------------------------
1478 // painting
1479 // ----------------------------------------------------------------------------
1480
1481 void wxWindow::Refresh(bool eraseBack, const wxRect *rect)
1482 {
1483     m_needsRefresh = TRUE;
1484     Display *display = XtDisplay((Widget) GetMainWidget());
1485     Window thisWindow = XtWindow((Widget) GetMainWidget());
1486
1487     XExposeEvent dummyEvent;
1488     int width, height;
1489     GetSize(&width, &height);
1490
1491     dummyEvent.type = Expose;
1492     dummyEvent.display = display;
1493     dummyEvent.send_event = True;
1494     dummyEvent.window = thisWindow;
1495     if (rect)
1496     {
1497         dummyEvent.x = rect->x;
1498         dummyEvent.y = rect->y;
1499         dummyEvent.width = rect->width;
1500         dummyEvent.height = rect->height;
1501     }
1502     else
1503     {
1504         dummyEvent.x = 0;
1505         dummyEvent.y = 0;
1506         dummyEvent.width = width;
1507         dummyEvent.height = height;
1508     }
1509     dummyEvent.count = 0;
1510
1511     if (eraseBack)
1512     {
1513         wxClientDC dc(this);
1514         wxBrush backgroundBrush(GetBackgroundColour(), wxSOLID);
1515         dc.SetBackground(backgroundBrush);
1516         if (rect)
1517             dc.Clear(*rect);
1518         else
1519             dc.Clear();
1520     }
1521
1522     XSendEvent(display, thisWindow, False, ExposureMask, (XEvent *)&dummyEvent);
1523 }
1524
1525 void wxWindow::Clear()
1526 {
1527     wxClientDC dc(this);
1528     wxBrush brush(GetBackgroundColour(), wxSOLID);
1529     dc.SetBackground(brush);
1530     dc.Clear();
1531 }
1532
1533 void wxWindow::ClearUpdateRects()
1534 {
1535     wxRectList::Node* node = m_updateRects.GetFirst();
1536     while (node)
1537     {
1538         wxRect* rect = node->GetData();
1539         delete rect;
1540         node = node->GetNext();
1541     }
1542
1543     m_updateRects.Clear();
1544 }
1545
1546 void wxWindow::DoPaint()
1547 {
1548     //TODO : make a temporary gc so we can do the XCopyArea below
1549     if (m_backingPixmap && !m_needsRefresh)
1550     {
1551       wxPaintDC dc(this);
1552
1553       GC tempGC = (GC) dc.GetBackingGC();
1554
1555       Widget widget = (Widget) GetMainWidget();
1556
1557       int scrollPosX = 0;
1558       int scrollPosY = 0;
1559
1560       // We have to test whether it's a wxScrolledWindow (hack!) because
1561       // otherwise we don't know how many pixels have been scrolled. We might
1562       // solve this in the future by defining virtual wxWindow functions to get
1563       // the scroll position in pixels. Or, each kind of scrolled window has to
1564       // implement backing stores itself, using generic wxWindows code.
1565       wxScrolledWindow* scrolledWindow = wxDynamicCast(this, wxScrolledWindow);
1566       if ( scrolledWindow )
1567       {
1568           int x, y;
1569           scrolledWindow->CalcScrolledPosition(0, 0, &x, &y);
1570
1571           scrollPosX = - x;
1572           scrollPosY = - y;
1573       }
1574
1575       // TODO: This could be optimized further by only copying the areas in the
1576       //       current update region.
1577
1578       // Only blit the part visible in the client area. The backing pixmap
1579       // always starts at 0, 0 but we may be looking at only a portion of it.
1580       wxSize clientArea = GetClientSize();
1581       int toBlitX = m_pixmapWidth - scrollPosX;
1582       int toBlitY = m_pixmapHeight - scrollPosY;
1583
1584       // Copy whichever is samller, the amount of pixmap we have to copy,
1585       // or the size of the client area.
1586       toBlitX = wxMin(toBlitX, clientArea.x);
1587       toBlitY = wxMin(toBlitY, clientArea.y);
1588
1589       // Make sure we're not negative
1590       toBlitX = wxMax(0, toBlitX);
1591       toBlitY = wxMax(0, toBlitY);
1592
1593       XCopyArea
1594       (
1595        XtDisplay(widget),
1596        (Pixmap) m_backingPixmap,
1597        XtWindow (widget),
1598        tempGC,
1599        scrollPosX, scrollPosY, // Start at the scroll position
1600        toBlitX, toBlitY,       // How much of the pixmap to copy
1601        0, 0                    // Destination
1602       );
1603     }
1604     else
1605     {
1606         // Set an erase event first
1607         wxEraseEvent eraseEvent(GetId());
1608         eraseEvent.SetEventObject(this);
1609         GetEventHandler()->ProcessEvent(eraseEvent);
1610
1611         wxPaintEvent event(GetId());
1612         event.SetEventObject(this);
1613         GetEventHandler()->ProcessEvent(event);
1614
1615         m_needsRefresh = FALSE;
1616     }
1617 }
1618
1619 // ----------------------------------------------------------------------------
1620 // event handlers
1621 // ----------------------------------------------------------------------------
1622
1623 // Responds to colour changes: passes event on to children.
1624 void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
1625 {
1626     wxWindowList::Node *node = GetChildren().GetFirst();
1627     while ( node )
1628     {
1629         // Only propagate to non-top-level windows
1630         wxWindow *win = node->GetData();
1631         if ( win->GetParent() )
1632         {
1633             wxSysColourChangedEvent event2;
1634             event.m_eventObject = win;
1635             win->GetEventHandler()->ProcessEvent(event2);
1636         }
1637
1638         node = node->GetNext();
1639     }
1640 }
1641
1642 void wxWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
1643 {
1644     // This calls the UI-update mechanism (querying windows for
1645     // menu/toolbar/control state information)
1646     UpdateWindowUI();
1647 }
1648
1649 // ----------------------------------------------------------------------------
1650 // accelerators
1651 // ----------------------------------------------------------------------------
1652
1653 bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
1654 {
1655     if (!m_acceleratorTable.Ok())
1656         return FALSE;
1657
1658     int count = m_acceleratorTable.GetCount();
1659     wxAcceleratorEntry* entries = m_acceleratorTable.GetEntries();
1660     int i;
1661     for (i = 0; i < count; i++)
1662     {
1663         wxAcceleratorEntry* entry = & (entries[i]);
1664         if (entry->MatchesEvent(event))
1665         {
1666             // Bingo, we have a match. Now find a control that matches the entry
1667             // command id.
1668
1669             // Need to go up to the top of the window hierarchy, since it might
1670             // be e.g. a menu item
1671             wxWindow* parent = this;
1672             while ( parent && !parent->IsTopLevel() )
1673                 parent = parent->GetParent();
1674
1675             if (!parent)
1676                 return FALSE;
1677
1678             wxFrame* frame = wxDynamicCast(parent, wxFrame);
1679             if ( frame )
1680             {
1681                 // Try for a menu command
1682                 if (frame->GetMenuBar())
1683                 {
1684                     wxMenuItem* item = frame->GetMenuBar()->FindItem(entry->GetCommand());
1685                     if (item)
1686                     {
1687                         wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, entry->GetCommand());
1688                         commandEvent.SetEventObject(frame);
1689
1690                         // If ProcessEvent returns TRUE (it was handled), then
1691                         // the calling code will skip the event handling.
1692                         return frame->GetEventHandler()->ProcessEvent(commandEvent);
1693                     }
1694                 }
1695             }
1696
1697             // Find a child matching the command id
1698             wxWindow* child = parent->FindWindow(entry->GetCommand());
1699
1700             // No such child
1701             if (!child)
1702                 return FALSE;
1703
1704             // Now we process those kinds of windows that we can.
1705             // For now, only buttons.
1706             if ( wxDynamicCast(child, wxButton) )
1707             {
1708                 wxCommandEvent commandEvent (wxEVT_COMMAND_BUTTON_CLICKED, child->GetId());
1709                 commandEvent.SetEventObject(child);
1710                 return child->GetEventHandler()->ProcessEvent(commandEvent);
1711             }
1712
1713             return FALSE;
1714         } // matches event
1715     }// for
1716
1717     // We didn't match the key event against an accelerator.
1718     return FALSE;
1719 }
1720
1721 // ============================================================================
1722 // Motif-specific stuff from here on
1723 // ============================================================================
1724
1725 // ----------------------------------------------------------------------------
1726 // function which maintain the global hash table mapping Widgets to wxWindows
1727 // ----------------------------------------------------------------------------
1728
1729 bool wxAddWindowToTable(Widget w, wxWindow *win)
1730 {
1731     wxWindow *oldItem = NULL;
1732     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1733     {
1734         wxLogDebug("Widget table clash: new widget is %ld, %s",
1735                    (long)w, win->GetClassInfo()->GetClassName());
1736         return FALSE;
1737     }
1738
1739     wxWidgetHashTable->Put((long) w, win);
1740
1741     wxLogTrace("widget", "Widget 0x%08x <-> window %p (%s)",
1742                w, win, win->GetClassInfo()->GetClassName());
1743
1744     return TRUE;
1745 }
1746
1747 wxWindow *wxGetWindowFromTable(Widget w)
1748 {
1749     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1750 }
1751
1752 void wxDeleteWindowFromTable(Widget w)
1753 {
1754     wxWidgetHashTable->Delete((long)w);
1755 }
1756
1757 // ----------------------------------------------------------------------------
1758 // add/remove window from the table
1759 // ----------------------------------------------------------------------------
1760
1761 // Add to hash table, add event handler
1762 bool wxWindow::AttachWidget (wxWindow* WXUNUSED(parent), WXWidget mainWidget,
1763                              WXWidget formWidget, int x, int y, int width, int height)
1764 {
1765     wxAddWindowToTable((Widget) mainWidget, this);
1766     if (CanAddEventHandler())
1767     {
1768         XtAddEventHandler((Widget) mainWidget,
1769             ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1770             False,
1771             wxPanelItemEventHandler,
1772             (XtPointer) this);
1773     }
1774
1775     if (!formWidget)
1776     {
1777         XtTranslations ptr;
1778         XtOverrideTranslations ((Widget) mainWidget,
1779             ptr = XtParseTranslationTable ("<Configure>: resize()"));
1780         XtFree ((char *) ptr);
1781     }
1782
1783     // Some widgets have a parent form widget, e.g. wxRadioBox
1784     if (formWidget)
1785     {
1786         if (!wxAddWindowToTable((Widget) formWidget, this))
1787             return FALSE;
1788
1789         XtTranslations ptr;
1790         XtOverrideTranslations ((Widget) formWidget,
1791             ptr = XtParseTranslationTable ("<Configure>: resize()"));
1792         XtFree ((char *) ptr);
1793     }
1794
1795     if (x == -1)
1796         x = 0;
1797     if (y == -1)
1798         y = 0;
1799     SetSize (x, y, width, height);
1800
1801     return TRUE;
1802 }
1803
1804 // Remove event handler, remove from hash table
1805 bool wxWindow::DetachWidget(WXWidget widget)
1806 {
1807     if (CanAddEventHandler())
1808     {
1809         XtRemoveEventHandler((Widget) widget,
1810             ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
1811             False,
1812             wxPanelItemEventHandler,
1813             (XtPointer)this);
1814     }
1815
1816     wxDeleteWindowFromTable((Widget) widget);
1817     return TRUE;
1818 }
1819
1820 // ----------------------------------------------------------------------------
1821 // Motif-specific accessors
1822 // ----------------------------------------------------------------------------
1823
1824 // Get the underlying X window
1825 WXWindow wxWindow::GetXWindow() const
1826 {
1827     Widget wMain = (Widget)GetMainWidget();
1828     if ( wMain )
1829         return (WXWindow) XtWindow(wMain);
1830     else
1831         return (WXWindow) 0;
1832 }
1833
1834 // Get the underlying X display
1835 WXDisplay *wxWindow::GetXDisplay() const
1836 {
1837     Widget wMain = (Widget)GetMainWidget();
1838     if ( wMain )
1839         return (WXDisplay*) XtDisplay(wMain);
1840     else
1841         return (WXDisplay*) NULL;
1842 }
1843
1844 WXWidget wxWindow::GetMainWidget() const
1845 {
1846     if (m_drawingArea)
1847         return m_drawingArea;
1848     else
1849         return m_mainWidget;
1850 }
1851
1852 WXWidget wxWindow::GetClientWidget() const
1853 {
1854     if (m_drawingArea != (WXWidget) 0)
1855         return m_drawingArea;
1856     else
1857         return GetMainWidget();
1858 }
1859
1860 WXWidget wxWindow::GetTopWidget() const
1861 {
1862     return GetMainWidget();
1863 }
1864
1865 WXWidget wxWindow::GetLabelWidget() const
1866 {
1867     return GetMainWidget();
1868 }
1869
1870 // ----------------------------------------------------------------------------
1871 // Motif callbacks
1872 // ----------------------------------------------------------------------------
1873
1874 // All widgets should have this as their resize proc.
1875 // OnSize sent to wxWindow via client data.
1876 void wxWidgetResizeProc(Widget w, XConfigureEvent *WXUNUSED(event), String WXUNUSED(args)[], int *WXUNUSED(num_args))
1877 {
1878     wxWindow *win = wxGetWindowFromTable(w);
1879     if (!win)
1880         return;
1881
1882     if (win->PreResize())
1883     {
1884         int width, height;
1885         win->GetSize(&width, &height);
1886         wxSizeEvent sizeEvent(wxSize(width, height), win->GetId());
1887         sizeEvent.SetEventObject(win);
1888         win->GetEventHandler()->ProcessEvent(sizeEvent);
1889     }
1890 }
1891
1892 static void wxCanvasRepaintProc(Widget drawingArea,
1893                                 XtPointer clientData,
1894                                 XmDrawingAreaCallbackStruct * cbs)
1895 {
1896     if (!wxGetWindowFromTable(drawingArea))
1897         return;
1898
1899     XEvent * event = cbs->event;
1900     wxWindow * win = (wxWindow *) clientData;
1901
1902     switch (event->type)
1903     {
1904     case Expose:
1905         {
1906             win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
1907                                event->xexpose.width, event->xexpose.height);
1908
1909             if (event -> xexpose.count == 0)
1910             {
1911                 win->DoPaint();
1912                 win->ClearUpdateRects();
1913             }
1914             break;
1915         }
1916     }
1917 }
1918
1919 // Unable to deal with Enter/Leave without a separate EventHandler (Motif 1.1.4)
1920 static void wxCanvasEnterLeave(Widget drawingArea,
1921                                XtPointer WXUNUSED(clientData),
1922                                XCrossingEvent * event)
1923 {
1924     XmDrawingAreaCallbackStruct cbs;
1925     XEvent ev;
1926
1927     ((XCrossingEvent &) ev) = *event;
1928
1929     cbs.reason = XmCR_INPUT;
1930     cbs.event = &ev;
1931
1932     wxCanvasInputEvent(drawingArea, (XtPointer) NULL, &cbs);
1933 }
1934
1935 // Fix to make it work under Motif 1.0 (!)
1936 static void wxCanvasMotionEvent (Widget WXUNUSED(drawingArea), XButtonEvent * WXUNUSED(event))
1937 {
1938 #if XmVersion <= 1000
1939     XmDrawingAreaCallbackStruct cbs;
1940     XEvent ev;
1941
1942     ev = *((XEvent *) event);
1943     cbs.reason = XmCR_INPUT;
1944     cbs.event = &ev;
1945
1946     wxCanvasInputEvent (drawingArea, (XtPointer) NULL, &cbs);
1947 #endif // XmVersion <= 1000
1948 }
1949
1950 static void wxCanvasInputEvent(Widget drawingArea,
1951                                XtPointer WXUNUSED(data),
1952                                XmDrawingAreaCallbackStruct * cbs)
1953 {
1954     wxWindow *canvas = wxGetWindowFromTable(drawingArea);
1955     XEvent local_event;
1956
1957     if (canvas==NULL)
1958         return;
1959
1960     if (cbs->reason != XmCR_INPUT)
1961         return;
1962
1963     local_event = *(cbs->event);    // We must keep a copy!
1964
1965     switch (local_event.xany.type)
1966     {
1967     case EnterNotify:
1968     case LeaveNotify:
1969     case ButtonPress:
1970     case ButtonRelease:
1971     case MotionNotify:
1972         {
1973             // FIXME: most of this mouse event code is more or less
1974             // duplicated in wxTranslateMouseEvent
1975             //
1976             wxEventType eventType = wxEVT_NULL;
1977
1978             if (local_event.xany.type == EnterNotify)
1979             {
1980                 //if (local_event.xcrossing.mode!=NotifyNormal)
1981                 //  return ; // Ignore grab events
1982                 eventType = wxEVT_ENTER_WINDOW;
1983                 //            canvas->GetEventHandler()->OnSetFocus();
1984             }
1985             else if (local_event.xany.type == LeaveNotify)
1986             {
1987                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1988                 //  return ; // Ignore grab events
1989                 eventType = wxEVT_LEAVE_WINDOW;
1990                 //            canvas->GetEventHandler()->OnKillFocus();
1991             }
1992             else if (local_event.xany.type == MotionNotify)
1993             {
1994                 eventType = wxEVT_MOTION;
1995             }
1996
1997             else if (local_event.xany.type == ButtonPress)
1998             {
1999                 if (local_event.xbutton.button == Button1)
2000                 {
2001                     eventType = wxEVT_LEFT_DOWN;
2002                     canvas->SetButton1(TRUE);
2003                 }
2004                 else if (local_event.xbutton.button == Button2)
2005                 {
2006                     eventType = wxEVT_MIDDLE_DOWN;
2007                     canvas->SetButton2(TRUE);
2008                 }
2009                 else if (local_event.xbutton.button == Button3)
2010                 {
2011                     eventType = wxEVT_RIGHT_DOWN;
2012                     canvas->SetButton3(TRUE);
2013                 }
2014             }
2015             else if (local_event.xany.type == ButtonRelease)
2016             {
2017                 if (local_event.xbutton.button == Button1)
2018                 {
2019                     eventType = wxEVT_LEFT_UP;
2020                     canvas->SetButton1(FALSE);
2021                 }
2022                 else if (local_event.xbutton.button == Button2)
2023                 {
2024                     eventType = wxEVT_MIDDLE_UP;
2025                     canvas->SetButton2(FALSE);
2026                 }
2027                 else if (local_event.xbutton.button == Button3)
2028                 {
2029                     eventType = wxEVT_RIGHT_UP;
2030                     canvas->SetButton3(FALSE);
2031                 }
2032             }
2033
2034             wxMouseEvent wxevent (eventType);
2035
2036             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2037                 || (event_left_is_down (&local_event)
2038                 && (eventType != wxEVT_LEFT_UP)));
2039             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2040                 || (event_middle_is_down (&local_event)
2041                 && (eventType != wxEVT_MIDDLE_UP)));
2042             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2043                 || (event_right_is_down (&local_event)
2044                 && (eventType != wxEVT_RIGHT_UP)));
2045
2046             wxevent.m_shiftDown = local_event.xbutton.state & ShiftMask;
2047             wxevent.m_controlDown = local_event.xbutton.state & ControlMask;
2048             wxevent.m_altDown = local_event.xbutton.state & Mod3Mask;
2049             wxevent.m_metaDown = local_event.xbutton.state & Mod1Mask;
2050             wxevent.SetTimestamp(local_event.xbutton.time);
2051
2052            if ( eventType == wxEVT_MOTION )
2053            {
2054                 if (local_event.xmotion.is_hint == NotifyHint)
2055                 {
2056                     Window root, child;
2057                     Display *dpy = XtDisplay (drawingArea);
2058
2059                     XQueryPointer (dpy, XtWindow (drawingArea),
2060                         &root, &child,
2061                         &local_event.xmotion.x_root,
2062                         &local_event.xmotion.y_root,
2063                         &local_event.xmotion.x,
2064                         &local_event.xmotion.y,
2065                         &local_event.xmotion.state);
2066                 }
2067                 else
2068                 {
2069                 }
2070            }
2071
2072             // Now check if we need to translate this event into a double click
2073             if (TRUE) // canvas->doubleClickAllowed)
2074             {
2075                 if (wxevent.ButtonDown())
2076                 {
2077                     long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2078
2079                     // get button and time-stamp
2080                     int button = 0;
2081                     if (wxevent.LeftDown())
2082                         button = 1;
2083                     else if (wxevent.MiddleDown())
2084                         button = 2;
2085                     else if (wxevent.RightDown())
2086                         button = 3;
2087                     long ts = wxevent.GetTimestamp();
2088
2089                     // check, if single or double click
2090                     int buttonLast = canvas->GetLastClickedButton();
2091                     long lastTS = canvas->GetLastClickTime();
2092                     if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2093                     {
2094                         // I have a dclick
2095                         canvas->SetLastClick(0, ts);
2096                         switch ( eventType )
2097                         {
2098                         case wxEVT_LEFT_DOWN:
2099                             wxevent.SetEventType(wxEVT_LEFT_DCLICK);
2100                             break;
2101                         case wxEVT_MIDDLE_DOWN:
2102                             wxevent.SetEventType(wxEVT_MIDDLE_DCLICK);
2103                             break;
2104                         case wxEVT_RIGHT_DOWN:
2105                             wxevent.SetEventType(wxEVT_RIGHT_DCLICK);
2106                             break;
2107
2108                         default :
2109                             break;
2110                         }
2111
2112                     }
2113                     else
2114                     {
2115                         // not fast enough or different button
2116                         canvas->SetLastClick(button, ts);
2117                     }
2118                 }
2119             }
2120
2121             wxevent.SetId(canvas->GetId());
2122             wxevent.SetEventObject(canvas);
2123             wxevent.m_x = local_event.xbutton.x;
2124             wxevent.m_y = local_event.xbutton.y;
2125             canvas->GetEventHandler()->ProcessEvent (wxevent);
2126 #if 0
2127             if (eventType == wxEVT_ENTER_WINDOW ||
2128                     eventType == wxEVT_LEAVE_WINDOW ||
2129                     eventType == wxEVT_MOTION
2130                )
2131                 return;
2132 #endif // 0
2133             break;
2134       }
2135     case KeyPress:
2136         {
2137             KeySym keySym;
2138 #if 0
2139             XComposeStatus compose;
2140             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, &compose);
2141 #endif // 0
2142
2143             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2144             int id = wxCharCodeXToWX (keySym);
2145
2146             wxEventType eventType = wxEVT_CHAR;
2147
2148             wxKeyEvent event (eventType);
2149
2150             if (local_event.xkey.state & ShiftMask)
2151                 event.m_shiftDown = TRUE;
2152             if (local_event.xkey.state & ControlMask)
2153                 event.m_controlDown = TRUE;
2154             if (local_event.xkey.state & Mod3Mask)
2155                 event.m_altDown = TRUE;
2156             if (local_event.xkey.state & Mod1Mask)
2157                 event.m_metaDown = TRUE;
2158             event.SetEventObject(canvas);
2159             event.m_keyCode = id;
2160             event.SetTimestamp(local_event.xkey.time);
2161
2162             if (id > -1)
2163             {
2164                 // Implement wxFrame::OnCharHook by checking ancestor.
2165                 wxWindow *parent = canvas->GetParent();
2166                 while (parent && !parent->IsKindOf(CLASSINFO(wxFrame)))
2167                     parent = parent->GetParent();
2168
2169                 if (parent)
2170                 {
2171                     event.SetEventType(wxEVT_CHAR_HOOK);
2172                     if (parent->GetEventHandler()->ProcessEvent(event))
2173                         return;
2174                 }
2175
2176                 // For simplicity, OnKeyDown is the same as OnChar
2177                 // TODO: filter modifier key presses from OnChar
2178                 event.SetEventType(wxEVT_KEY_DOWN);
2179
2180                 // Only process OnChar if OnKeyDown didn't swallow it
2181                 if (!canvas->GetEventHandler()->ProcessEvent (event))
2182                 {
2183                   event.SetEventType(wxEVT_CHAR);
2184                   canvas->GetEventHandler()->ProcessEvent (event);
2185         }
2186             }
2187             break;
2188         }
2189     case KeyRelease:
2190         {
2191             KeySym keySym;
2192             (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
2193             int id = wxCharCodeXToWX (keySym);
2194
2195             wxKeyEvent event (wxEVT_KEY_UP);
2196
2197             if (local_event.xkey.state & ShiftMask)
2198                 event.m_shiftDown = TRUE;
2199             if (local_event.xkey.state & ControlMask)
2200                 event.m_controlDown = TRUE;
2201             if (local_event.xkey.state & Mod3Mask)
2202                 event.m_altDown = TRUE;
2203             if (local_event.xkey.state & Mod1Mask)
2204                 event.m_metaDown = TRUE;
2205             event.SetEventObject(canvas);
2206             event.m_keyCode = id;
2207             event.SetTimestamp(local_event.xkey.time);
2208
2209             if (id > -1)
2210             {
2211                 canvas->GetEventHandler()->ProcessEvent (event);
2212             }
2213             break;
2214         }
2215     case FocusIn:
2216         {
2217             if (local_event.xfocus.detail != NotifyPointer)
2218             {
2219                 wxFocusEvent event(wxEVT_SET_FOCUS, canvas->GetId());
2220                 event.SetEventObject(canvas);
2221                 canvas->GetEventHandler()->ProcessEvent(event);
2222             }
2223             break;
2224         }
2225     case FocusOut:
2226         {
2227             if (local_event.xfocus.detail != NotifyPointer)
2228             {
2229                 wxFocusEvent event(wxEVT_KILL_FOCUS, canvas->GetId());
2230                 event.SetEventObject(canvas);
2231                 canvas->GetEventHandler()->ProcessEvent(event);
2232             }
2233             break;
2234         }
2235     default:
2236         break;
2237     }
2238 }
2239
2240 static void wxPanelItemEventHandler(Widget    wid,
2241                                     XtPointer WXUNUSED(client_data),
2242                                     XEvent*   event,
2243                                     Boolean  *continueToDispatch)
2244 {
2245     // Widget can be a label or the actual widget.
2246
2247     wxWindow *window = wxGetWindowFromTable(wid);
2248     if (window)
2249     {
2250         wxMouseEvent wxevent(0);
2251         if (wxTranslateMouseEvent(wxevent, window, wid, event))
2252         {
2253             window->GetEventHandler()->ProcessEvent(wxevent);
2254         }
2255     }
2256
2257     // TODO: probably the key to allowing default behaviour to happen. Say we
2258     // set a m_doDefault flag to FALSE at the start of this function. Then in
2259     // e.g. wxWindow::OnMouseEvent we can call Default() which sets this flag to
2260     // TRUE, indicating that default processing can happen. Thus, behaviour can
2261     // appear to be overridden just by adding an event handler and not calling
2262     // wxWindow::OnWhatever. ALSO, maybe we can use this instead of the current
2263     // way of handling drawing area events, to simplify things.
2264     *continueToDispatch = True;
2265 }
2266
2267 static void wxScrollBarCallback(Widget scrollbar,
2268                                 XtPointer clientData,
2269                                 XmScrollBarCallbackStruct *cbs)
2270 {
2271     wxWindow *win = wxGetWindowFromTable(scrollbar);
2272     int orientation = (int) clientData;
2273
2274     wxEventType eventType = wxEVT_NULL;
2275     switch (cbs->reason)
2276     {
2277     case XmCR_INCREMENT:
2278         {
2279             eventType = wxEVT_SCROLLWIN_LINEDOWN;
2280             break;
2281         }
2282     case XmCR_DECREMENT:
2283         {
2284             eventType = wxEVT_SCROLLWIN_LINEUP;
2285             break;
2286         }
2287     case XmCR_DRAG:
2288         {
2289             eventType = wxEVT_SCROLLWIN_THUMBTRACK;
2290             break;
2291         }
2292     case XmCR_VALUE_CHANGED:
2293         {
2294             eventType = wxEVT_SCROLLWIN_THUMBRELEASE;
2295             break;
2296         }
2297     case XmCR_PAGE_INCREMENT:
2298         {
2299             eventType = wxEVT_SCROLLWIN_PAGEDOWN;
2300             break;
2301         }
2302     case XmCR_PAGE_DECREMENT:
2303         {
2304             eventType = wxEVT_SCROLLWIN_PAGEUP;
2305             break;
2306         }
2307     case XmCR_TO_TOP:
2308         {
2309             eventType = wxEVT_SCROLLWIN_TOP;
2310             break;
2311         }
2312     case XmCR_TO_BOTTOM:
2313         {
2314             eventType = wxEVT_SCROLLWIN_BOTTOM;
2315             break;
2316         }
2317     default:
2318         {
2319             // Should never get here
2320             wxFAIL_MSG("Unknown scroll event.");
2321             break;
2322         }
2323     }
2324
2325     wxScrollWinEvent event(eventType,
2326                            cbs->value,
2327                            ((orientation == XmHORIZONTAL) ?
2328                             wxHORIZONTAL : wxVERTICAL));
2329     event.SetEventObject( win );
2330     win->GetEventHandler()->ProcessEvent(event);
2331 }
2332
2333 // For repainting arbitrary windows
2334 void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event, char *)
2335 {
2336     Window window;
2337     Display *display;
2338
2339     wxWindow* win = wxGetWindowFromTable(w);
2340     if (!win)
2341         return;
2342
2343     switch(event -> type)
2344     {
2345     case Expose:
2346         {
2347             window = (Window) win -> GetXWindow();
2348             display = (Display *) win -> GetXDisplay();
2349
2350             if (event -> xexpose.count == 0)
2351             {
2352                 win->DoPaint();
2353
2354                 win->ClearUpdateRects();
2355             }
2356             else
2357             {
2358                 win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
2359                                    event->xexpose.width, event->xexpose.height);
2360             }
2361
2362             break;
2363         }
2364     }
2365 }
2366
2367 // ----------------------------------------------------------------------------
2368 // CanvaseXXXSize() functions
2369 // ----------------------------------------------------------------------------
2370
2371 // SetSize, but as per old wxCanvas (with drawing widget etc.)
2372 void wxWindow::CanvasSetSize (int x, int y, int w, int h, int sizeFlags)
2373 {
2374     // A bit of optimization to help sort out the flickers.
2375     int oldX, oldY, oldW, oldH;
2376     GetSize(& oldW, & oldH);
2377     GetPosition(& oldX, & oldY);
2378
2379     bool useOldPos = FALSE;
2380     bool useOldSize = FALSE;
2381
2382     if ((x == -1) && (x == -1) && ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0))
2383         useOldPos = TRUE;
2384     else if (x == oldX && y == oldY)
2385         useOldPos = TRUE;
2386
2387     if ((w == -1) && (h == -1))
2388         useOldSize = TRUE;
2389     else if (w == oldW && h == oldH)
2390         useOldSize = TRUE;
2391
2392     if (!wxNoOptimize::CanOptimize())
2393     {
2394         useOldSize = FALSE; useOldPos = FALSE;
2395     }
2396
2397     if (useOldPos && useOldSize)
2398         return;
2399
2400     Widget drawingArea = (Widget) m_drawingArea;
2401     bool managed = XtIsManaged(m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2402
2403     if (managed)
2404         XtUnmanageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2405     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2406
2407     int xx = x; int yy = y;
2408     AdjustForParentClientOrigin(xx, yy, sizeFlags);
2409
2410     if (!useOldPos)
2411     {
2412         if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2413         {
2414             XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2415                 XmNx, xx, NULL);
2416         }
2417
2418         if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
2419         {
2420             XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
2421                 XmNy, yy, NULL);
2422         }
2423     }
2424
2425     if (!useOldSize)
2426     {
2427
2428         if (w > -1)
2429         {
2430             if (m_borderWidget)
2431             {
2432                 XtVaSetValues ((Widget) m_borderWidget, XmNwidth, w, NULL);
2433                 short thick, margin;
2434                 XtVaGetValues ((Widget) m_borderWidget,
2435                     XmNshadowThickness, &thick,
2436                     XmNmarginWidth, &margin,
2437                     NULL);
2438                 w -= 2 * (thick + margin);
2439             }
2440
2441             XtVaSetValues ((Widget) m_scrolledWindow, XmNwidth, w, NULL);
2442
2443             Dimension spacing;
2444             Widget sbar;
2445             XtVaGetValues ((Widget) m_scrolledWindow,
2446                 XmNspacing, &spacing,
2447                 XmNverticalScrollBar, &sbar,
2448                 NULL);
2449             Dimension wsbar;
2450             if (sbar)
2451                 XtVaGetValues (sbar, XmNwidth, &wsbar, NULL);
2452             else
2453                 wsbar = 0;
2454
2455             w -= (spacing + wsbar);
2456
2457 #if 0
2458             XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2459 #endif // 0
2460         }
2461         if (h > -1)
2462         {
2463             if (m_borderWidget)
2464             {
2465                 XtVaSetValues ((Widget) m_borderWidget, XmNheight, h, NULL);
2466                 short thick, margin;
2467                 XtVaGetValues ((Widget) m_borderWidget,
2468                     XmNshadowThickness, &thick,
2469                     XmNmarginHeight, &margin,
2470                     NULL);
2471                 h -= 2 * (thick + margin);
2472             }
2473
2474             XtVaSetValues ((Widget) m_scrolledWindow, XmNheight, h, NULL);
2475
2476             Dimension spacing;
2477             Widget sbar;
2478             XtVaGetValues ((Widget) m_scrolledWindow,
2479                 XmNspacing, &spacing,
2480                 XmNhorizontalScrollBar, &sbar,
2481                 NULL);
2482             Dimension wsbar;
2483             if (sbar)
2484                 XtVaGetValues (sbar, XmNheight, &wsbar, NULL);
2485             else
2486                 wsbar = 0;
2487
2488             h -= (spacing + wsbar);
2489
2490 #if 0
2491             XtVaSetValues(drawingArea, XmNheight, h, NULL);
2492 #endif // 0
2493         }
2494     }
2495
2496     if (managed)
2497         XtManageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
2498     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2499
2500 #if 0
2501     int ww, hh;
2502     GetClientSize (&ww, &hh);
2503     wxSizeEvent sizeEvent(wxSize(ww, hh), GetId());
2504     sizeEvent.SetEventObject(this);
2505
2506     GetEventHandler()->ProcessEvent(sizeEvent);
2507 #endif // 0
2508 }
2509
2510 void wxWindow::CanvasSetClientSize (int w, int h)
2511 {
2512     Widget drawingArea = (Widget) m_drawingArea;
2513
2514     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
2515
2516     if (w > -1)
2517         XtVaSetValues(drawingArea, XmNwidth, w, NULL);
2518     if (h > -1)
2519         XtVaSetValues(drawingArea, XmNheight, h, NULL);
2520
2521 #if 0
2522     // TODO: is this necessary?
2523     allowRepainting = FALSE;
2524
2525     XSync (XtDisplay (drawingArea), FALSE);
2526     XEvent event;
2527     while (XtAppPending (wxTheApp->appContext))
2528     {
2529         XFlush (XtDisplay (drawingArea));
2530         XtAppNextEvent (wxTheApp->appContext, &event);
2531         XtDispatchEvent (&event);
2532     }
2533 #endif // 0
2534
2535     XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
2536
2537 #if 0
2538     allowRepainting = TRUE;
2539     DoRefresh ();
2540
2541     wxSizeEvent sizeEvent(wxSize(w, h), GetId());
2542     sizeEvent.SetEventObject(this);
2543
2544     GetEventHandler()->ProcessEvent(sizeEvent);
2545 #endif // 0
2546 }
2547
2548 void wxWindow::CanvasGetClientSize (int *w, int *h) const
2549 {
2550     // Must return the same thing that was set via SetClientSize
2551     Dimension xx, yy;
2552     XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2553     *w = xx;
2554     *h = yy;
2555 }
2556
2557 void wxWindow::CanvasGetSize (int *w, int *h) const
2558 {
2559     Dimension xx, yy;
2560     if ((Widget) m_borderWidget)
2561         XtVaGetValues ((Widget) m_borderWidget, XmNwidth, &xx, XmNheight, &yy, NULL);
2562     else if ((Widget) m_scrolledWindow)
2563         XtVaGetValues ((Widget) m_scrolledWindow, XmNwidth, &xx, XmNheight, &yy, NULL);
2564     else
2565         XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
2566
2567     *w = xx;
2568     *h = yy;
2569 }
2570
2571 void wxWindow::CanvasGetPosition (int *x, int *y) const
2572 {
2573     Position xx, yy;
2574     XtVaGetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow, XmNx, &xx, XmNy, &yy, NULL);
2575
2576     // We may be faking the client origin.
2577     // So a window that's really at (0, 30) may appear
2578     // (to wxWin apps) to be at (0, 0).
2579     if (GetParent())
2580     {
2581         wxPoint pt(GetParent()->GetClientAreaOrigin());
2582         xx -= pt.x;
2583         yy -= pt.y;
2584     }
2585
2586     *x = xx;
2587     *y = yy;
2588 }
2589
2590 // ----------------------------------------------------------------------------
2591 // TranslateXXXEvent() functions
2592 // ----------------------------------------------------------------------------
2593
2594 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent)
2595 {
2596     switch (xevent->xany.type)
2597     {
2598         case EnterNotify:  // never received here - yes ? MB
2599         case LeaveNotify:  // never received here - yes ? MB
2600         case ButtonPress:
2601         case ButtonRelease:
2602         case MotionNotify:
2603         {
2604             wxEventType eventType = wxEVT_NULL;
2605
2606             // FIXME: this is never true I think - MB
2607             //
2608             if (xevent->xany.type == LeaveNotify)
2609             {
2610                 win->SetButton1(FALSE);
2611                 win->SetButton2(FALSE);
2612                 win->SetButton3(FALSE);
2613                 return FALSE;
2614             }
2615             else if (xevent->xany.type == MotionNotify)
2616             {
2617                 eventType = wxEVT_MOTION;
2618             }
2619             else if (xevent->xany.type == ButtonPress)
2620             {
2621                 wxevent.SetTimestamp(xevent->xbutton.time);
2622                 int button = 0;
2623                 if (xevent->xbutton.button == Button1)
2624                 {
2625                     eventType = wxEVT_LEFT_DOWN;
2626                     win->SetButton1(TRUE);
2627                     button = 1;
2628                 }
2629                 else if (xevent->xbutton.button == Button2)
2630                 {
2631                     eventType = wxEVT_MIDDLE_DOWN;
2632                     win->SetButton2(TRUE);
2633                     button = 2;
2634                 }
2635                 else if (xevent->xbutton.button == Button3)
2636                 {
2637                     eventType = wxEVT_RIGHT_DOWN;
2638                     win->SetButton3(TRUE);
2639                     button = 3;
2640                 }
2641
2642                 // check for a double click
2643                 //
2644                 long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
2645                 long ts = wxevent.GetTimestamp();
2646
2647                 int buttonLast = win->GetLastClickedButton();
2648                 long lastTS = win->GetLastClickTime();
2649                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
2650                 {
2651                     // I have a dclick
2652                     win->SetLastClick(0, ts);
2653                     switch ( eventType )
2654                     {
2655                         case wxEVT_LEFT_DOWN:
2656                             eventType = wxEVT_LEFT_DCLICK;
2657                             break;
2658                         case wxEVT_MIDDLE_DOWN:
2659                             eventType = wxEVT_MIDDLE_DCLICK;
2660                             break;
2661                         case wxEVT_RIGHT_DOWN:
2662                             eventType = wxEVT_RIGHT_DCLICK;
2663                             break;
2664
2665                         default :
2666                             break;
2667                     }
2668
2669                 }
2670                 else
2671                 {
2672                     // not fast enough or different button
2673                     win->SetLastClick(button, ts);
2674                 }
2675             }
2676             else if (xevent->xany.type == ButtonRelease)
2677             {
2678                 if (xevent->xbutton.button == Button1)
2679                 {
2680                     eventType = wxEVT_LEFT_UP;
2681                     win->SetButton1(FALSE);
2682                 }
2683                 else if (xevent->xbutton.button == Button2)
2684                 {
2685                     eventType = wxEVT_MIDDLE_UP;
2686                     win->SetButton2(FALSE);
2687                 }
2688                 else if (xevent->xbutton.button == Button3)
2689                 {
2690                     eventType = wxEVT_RIGHT_UP;
2691                     win->SetButton3(FALSE);
2692                 }
2693                 else return FALSE;
2694             }
2695             else
2696             {
2697                 return FALSE;
2698             }
2699
2700             wxevent.SetEventType(eventType);
2701
2702             Position x1, y1;
2703             XtVaGetValues(widget, XmNx, &x1, XmNy, &y1, NULL);
2704
2705             int x2, y2;
2706             win->GetPosition(&x2, &y2);
2707
2708             // The button x/y must be translated to wxWindows
2709             // window space - the widget might be a label or button,
2710             // within a form.
2711             int dx = 0;
2712             int dy = 0;
2713             if (widget != (Widget)win->GetMainWidget())
2714             {
2715                 dx = x1;
2716                 dy = y1;
2717             }
2718
2719             wxevent.m_x = xevent->xbutton.x + dx;
2720             wxevent.m_y = xevent->xbutton.y + dy;
2721
2722             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
2723                 || (event_left_is_down (xevent)
2724                 && (eventType != wxEVT_LEFT_UP)));
2725             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
2726                 || (event_middle_is_down (xevent)
2727                 && (eventType != wxEVT_MIDDLE_UP)));
2728             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
2729                 || (event_right_is_down (xevent)
2730                 && (eventType != wxEVT_RIGHT_UP)));
2731
2732             wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
2733             wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
2734             wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
2735             wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
2736
2737             wxevent.SetId(win->GetId());
2738             wxevent.SetEventObject(win);
2739
2740             return TRUE;
2741         }
2742     }
2743     return FALSE;
2744 }
2745
2746 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget WXUNUSED(widget), XEvent *xevent)
2747 {
2748     switch (xevent->xany.type)
2749     {
2750     case KeyPress:
2751     case KeyRelease:
2752         {
2753             char buf[20];
2754
2755             KeySym keySym;
2756 #if 0
2757             XComposeStatus compose;
2758             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, &compose);
2759 #endif // 0
2760             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
2761             int id = wxCharCodeXToWX (keySym);
2762
2763             if (xevent->xkey.state & ShiftMask)
2764                 wxevent.m_shiftDown = TRUE;
2765             if (xevent->xkey.state & ControlMask)
2766                 wxevent.m_controlDown = TRUE;
2767             if (xevent->xkey.state & Mod3Mask)
2768                 wxevent.m_altDown = TRUE;
2769             if (xevent->xkey.state & Mod1Mask)
2770                 wxevent.m_metaDown = TRUE;
2771             wxevent.SetEventObject(win);
2772             wxevent.m_keyCode = id;
2773             wxevent.SetTimestamp(xevent->xkey.time);
2774
2775             wxevent.m_x = xevent->xbutton.x;
2776             wxevent.m_y = xevent->xbutton.y;
2777
2778             if (id > -1)
2779                 return TRUE;
2780             else
2781                 return FALSE;
2782             break;
2783         }
2784     default:
2785         break;
2786     }
2787     return FALSE;
2788 }
2789
2790 // ----------------------------------------------------------------------------
2791 // Colour stuff
2792 // ----------------------------------------------------------------------------
2793
2794 #define YAllocColor XAllocColor
2795 XColor g_itemColors[5];
2796 int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
2797 {
2798     int result;
2799     static XmColorProc colorProc;
2800
2801     result = wxNO_COLORS;
2802
2803     if (back)
2804     {
2805         g_itemColors[0].red = (((long) back->Red ()) << 8);
2806         g_itemColors[0].green = (((long) back->Green ()) << 8);
2807         g_itemColors[0].blue = (((long) back->Blue ()) << 8);
2808         g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
2809         if (colorProc == (XmColorProc) NULL)
2810         {
2811             // Get a ptr to the actual function
2812             colorProc = XmSetColorCalculation ((XmColorProc) NULL);
2813             // And set it back to motif.
2814             XmSetColorCalculation (colorProc);
2815         }
2816         (*colorProc) (&g_itemColors[wxBACK_INDEX],
2817             &g_itemColors[wxFORE_INDEX],
2818             &g_itemColors[wxSELE_INDEX],
2819             &g_itemColors[wxTOPS_INDEX],
2820             &g_itemColors[wxBOTS_INDEX]);
2821         result = wxBACK_COLORS;
2822     }
2823     if (fore)
2824     {
2825         g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
2826         g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
2827         g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
2828         g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
2829         if (result == wxNO_COLORS)
2830             result = wxFORE_COLORS;
2831     }
2832
2833     Display *dpy = display;
2834     Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
2835
2836     if (back)
2837     {
2838         /* 5 Colours to allocate */
2839         for (int i = 0; i < 5; i++)
2840             if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
2841                 result = wxNO_COLORS;
2842     }
2843     else if (fore)
2844     {
2845         /* Only 1 colour to allocate */
2846         if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
2847             result = wxNO_COLORS;
2848     }
2849
2850     return (result);
2851
2852 }
2853
2854 // Changes the foreground and background colours to be derived from the current
2855 // background colour. To change the foreground colour, you must call
2856 // SetForegroundColour explicitly.
2857 void wxWindow::ChangeBackgroundColour()
2858 {
2859     WXWidget mainWidget = GetMainWidget();
2860     if ( mainWidget )
2861         DoChangeBackgroundColour(mainWidget, m_backgroundColour);
2862
2863     // This not necessary
2864 #if 0
2865
2866     if (m_scrolledWindow && (GetMainWidget() != m_scrolledWindow))
2867     {
2868         DoChangeBackgroundColour(m_scrolledWindow, m_backgroundColour);
2869         // Have to set the scrollbar colours back since
2870         // the scrolled window seemed to change them
2871         wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
2872
2873         if (m_hScrollBar)
2874             DoChangeBackgroundColour(m_hScrollBar, backgroundColour);
2875         if (m_vScrollBar)
2876             DoChangeBackgroundColour(m_vScrollBar, backgroundColour);
2877     }
2878 #endif
2879 }
2880
2881 void wxWindow::ChangeForegroundColour()
2882 {
2883     WXWidget mainWidget = GetMainWidget();
2884     if ( mainWidget )
2885         DoChangeForegroundColour(mainWidget, m_foregroundColour);
2886     if ( m_scrolledWindow && mainWidget != m_scrolledWindow )
2887         DoChangeForegroundColour(m_scrolledWindow, m_foregroundColour);
2888 }
2889
2890 // Change a widget's foreground and background colours.
2891 void wxWindow::DoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
2892 {
2893     // When should we specify the foreground, if it's calculated
2894     // by wxComputeColours?
2895     // Solution: say we start with the default (computed) foreground colour.
2896     // If we call SetForegroundColour explicitly for a control or window,
2897     // then the foreground is changed.
2898     // Therefore SetBackgroundColour computes the foreground colour, and
2899     // SetForegroundColour changes the foreground colour. The ordering is
2900     // important.
2901
2902     Widget w = (Widget)widget;
2903     XtVaSetValues(
2904                   w,
2905                   XmNforeground, foregroundColour.AllocColour(XtDisplay(w)),
2906                   NULL
2907                  );
2908 }
2909
2910 void wxWindow::DoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour)
2911 {
2912     wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
2913         (wxColour*) NULL);
2914
2915     XtVaSetValues ((Widget) widget,
2916         XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
2917         XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
2918         XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
2919         XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
2920         NULL);
2921
2922     if (changeArmColour)
2923         XtVaSetValues ((Widget) widget,
2924         XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
2925         NULL);
2926 }
2927
2928 bool wxWindow::SetBackgroundColour(const wxColour& col)
2929 {
2930     if ( !wxWindowBase::SetBackgroundColour(col) )
2931         return FALSE;
2932
2933     ChangeBackgroundColour();
2934
2935     return TRUE;
2936 }
2937
2938 bool wxWindow::SetForegroundColour(const wxColour& col)
2939 {
2940     if ( !wxWindowBase::SetForegroundColour(col) )
2941         return FALSE;
2942
2943     ChangeForegroundColour();
2944
2945     return TRUE;
2946 }
2947
2948 void wxWindow::ChangeFont(bool keepOriginalSize)
2949 {
2950     // Note that this causes the widget to be resized back
2951     // to its original size! We therefore have to set the size
2952     // back again. TODO: a better way in Motif?
2953     Widget w = (Widget) GetLabelWidget(); // Usually the main widget
2954     if (w && m_font.Ok())
2955     {
2956         int width, height, width1, height1;
2957         GetSize(& width, & height);
2958
2959         // lesstif 0.87 hangs here
2960 #ifndef LESSTIF_VERSION
2961         XtVaSetValues (w,
2962             XmNfontList, (XmFontList) m_font.GetFontList(1.0, XtDisplay(w)),
2963             NULL);
2964 #endif
2965
2966         GetSize(& width1, & height1);
2967         if (keepOriginalSize && (width != width1 || height != height1))
2968         {
2969             SetSize(-1, -1, width, height);
2970         }
2971     }
2972 }
2973
2974 // ----------------------------------------------------------------------------
2975 // global functions
2976 // ----------------------------------------------------------------------------
2977
2978 wxWindow *wxGetActiveWindow()
2979 {
2980     // TODO
2981     return NULL;
2982 }
2983
2984 // ----------------------------------------------------------------------------
2985 // wxNoOptimize: switch off size optimization
2986 // ----------------------------------------------------------------------------
2987
2988 int wxNoOptimize::ms_count = 0;
2989
2990
2991
2992