src/motif/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        motif/frame.cpp
   3 // Purpose:     wxFrame
   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 "frame.h"
  22 #endif
  23
  24 #include "wx/frame.h"
  25 #include "wx/statusbr.h"
  26 #include "wx/toolbar.h"
  27 #include "wx/menuitem.h"
  28 #include "wx/menu.h"
  29 #include "wx/dcclient.h"
  30 #include "wx/dialog.h"
  31 #include "wx/settings.h"
  32 #include "wx/app.h"
  33 #include "wx/utils.h"
  34 #include "wx/log.h"
  35
  36 #ifdef __VMS__
  37     #pragma message disable nosimpint
  38 #endif
  39
  40 #if defined(__ultrix) || defined(__sgi)
  41     #include <Xm/Frame.h>
  42 #endif
  43
  44 #include <Xm/Xm.h>
  45 #include <X11/Shell.h>
  46 #if XmVersion >= 1002
  47     #include <Xm/XmAll.h>
  48 #else
  49     #include <Xm/Frame.h>
  50 #endif
  51 #include <Xm/MwmUtil.h>
  52 #include <Xm/BulletinB.h>
  53 #include <Xm/Form.h>
  54 #include <Xm/MainW.h>
  55 #include <Xm/RowColumn.h>
  56 #include <Xm/Label.h>
  57 #include <Xm/AtomMgr.h>
  58 #include <Xm/LabelG.h>
  59 #include <Xm/Frame.h>
  60 #if   XmVersion > 1000
  61     #include <Xm/Protocols.h>
  62 #endif
  63
  64 #ifdef __VMS__
  65     #pragma message enable nosimpint
  66 #endif
  67
  68 #include "wx/motif/private.h"
  69
  70 // ----------------------------------------------------------------------------
  71 // private functions
  72 // ----------------------------------------------------------------------------
  73
  74 static void wxFrameEventHandler(Widget    wid,
  75                              XtPointer WXUNUSED(client_data),
  76                              XEvent*   event,
  77                              Boolean*  continueToDispatch);
  78 static void wxCloseFrameCallback(Widget, XtPointer, XmAnyCallbackStruct *cbs);
  79 static void wxFrameFocusProc(Widget workArea, XtPointer clientData,
  80                             XmAnyCallbackStruct *cbs);
  81 static void wxFrameMapProc(Widget frameShell, XtPointer clientData,
  82                            XCrossingEvent * event);
  83
  84 // ----------------------------------------------------------------------------
  85 // globals
  86 // ----------------------------------------------------------------------------
  87
  88 extern wxList wxModelessWindows;
  89 extern wxList wxPendingDelete;
  90
  91 // TODO: this should be tidied so that any frame can be the
  92 // top frame
  93 static bool wxTopLevelUsed = FALSE;
  94
  95 // ----------------------------------------------------------------------------
  96 // wxWin macros
  97 // ----------------------------------------------------------------------------
  98
  99 BEGIN_EVENT_TABLE(wxFrame, wxFrameBase)
 100     EVT_ACTIVATE(wxFrame::OnActivate)
 101     EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
 102 END_EVENT_TABLE()
 103
 104 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
 105
 106 // ============================================================================
 107 // implementation
 108 // ============================================================================
 109
 110 // ----------------------------------------------------------------------------
 111 // frame construction
 112 // ----------------------------------------------------------------------------
 113
 114 void wxFrame::Init()
 115 {
 116     m_iconized = FALSE;
 117
 118     //// Motif-specific
 119     m_frameShell = (WXWidget) NULL;
 120     m_frameWidget = (WXWidget) NULL;;
 121     m_workArea = (WXWidget) NULL;;
 122     m_clientArea = (WXWidget) NULL;;
 123     m_visibleStatus = TRUE;
 124 }
 125
 126 bool wxFrame::Create(wxWindow *parent,
 127                      wxWindowID id,
 128                      const wxString& title,
 129                      const wxPoint& pos,
 130                      const wxSize& size,
 131                      long style,
 132                      const wxString& name)
 133 {
 134     if ( parent )
 135         AddChild(this);
 136     else
 137         wxTopLevelWindows.Append(this);
 138
 139     wxModelessWindows.Append(this);
 140
 141     SetName(name);
 142
 143     m_windowStyle = style;
 144
 145     m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE);
 146     m_foregroundColour = *wxBLACK;
 147     m_font = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
 148
 149     if ( id > -1 )
 150         m_windowId = id;
 151     else
 152         m_windowId = (int)NewControlId();
 153
 154     int x = pos.x, y = pos.y;
 155     int width = size.x, height = size.y;
 156
 157     // Set reasonable values for position and size if defaults have been
 158     // requested
 159     //
 160     // MB TODO: something better than these arbitrary values ?
 161     // VZ       should use X resources for this...
 162     if ( width == -1 )
 163         width = 400;
 164     if ( height == -1 )
 165         height = 400;
 166
 167     int displayW, displayH;
 168     wxDisplaySize( &displayW, &displayH );
 169
 170     if ( x == -1 )
 171     {
 172         x = (displayW - width) / 2;
 173         if (x < 10) x = 10;
 174     }
 175     if ( y == -1 )
 176     {
 177         y = (displayH - height) / 2;
 178         if (y < 10) y = 10;
 179     }
 180
 181     // VZ: what does this do??
 182     if (wxTopLevelUsed)
 183     {
 184         // Change suggested by Matthew Flatt
 185         m_frameShell = (WXWidget)XtAppCreateShell
 186                                  (
 187                                   name,
 188                                   wxTheApp->GetClassName(),
 189                                   topLevelShellWidgetClass,
 190                                   (Display*) wxGetDisplay(),
 191                                   NULL,
 192                                   0
 193                                  );
 194     }
 195     else
 196     {
 197         m_frameShell = wxTheApp->GetTopLevelWidget();
 198         wxTopLevelUsed = TRUE;
 199     }
 200
 201     XtVaSetValues((Widget) m_frameShell,
 202         // Allows menu to resize
 203         XmNallowShellResize, True,
 204         XmNdeleteResponse, XmDO_NOTHING,
 205         XmNmappedWhenManaged, False,
 206         XmNiconic, (style & wxICONIZE) ? TRUE : FALSE,
 207         NULL);
 208
 209     if (!title.IsEmpty())
 210         XtVaSetValues((Widget) m_frameShell,
 211         XmNtitle, title.c_str(),
 212         NULL);
 213
 214     m_frameWidget = (WXWidget) XtVaCreateManagedWidget("main_window",
 215         xmMainWindowWidgetClass, (Widget) m_frameShell,
 216         XmNresizePolicy, XmRESIZE_NONE,
 217         NULL);
 218
 219     m_workArea = (WXWidget) XtVaCreateWidget("form",
 220         xmFormWidgetClass, (Widget) m_frameWidget,
 221         XmNresizePolicy, XmRESIZE_NONE,
 222         NULL);
 223
 224     m_clientArea = (WXWidget) XtVaCreateWidget("client",
 225         xmBulletinBoardWidgetClass, (Widget) m_workArea,
 226         XmNmarginWidth, 0,
 227         XmNmarginHeight, 0,
 228         XmNrightAttachment, XmATTACH_FORM,
 229         XmNleftAttachment, XmATTACH_FORM,
 230         XmNtopAttachment, XmATTACH_FORM,
 231         XmNbottomAttachment, XmATTACH_FORM,
 232         //                    XmNresizePolicy, XmRESIZE_ANY,
 233         NULL);
 234
 235     wxLogTrace(wxTRACE_Messages,
 236                "Created frame (0x%08x) with work area 0x%08x and client "
 237                "area 0x%08x", m_frameWidget, m_workArea, m_clientArea);
 238
 239     XtAddEventHandler((Widget) m_clientArea, ExposureMask,FALSE,
 240         wxUniversalRepaintProc, (XtPointer) this);
 241
 242     XtAddEventHandler((Widget) m_clientArea,
 243         ButtonPressMask | ButtonReleaseMask | PointerMotionMask | KeyPressMask,
 244         FALSE,
 245         wxFrameEventHandler,
 246         (XtPointer)this);
 247
 248     XtVaSetValues((Widget) m_frameWidget,
 249         XmNworkWindow, (Widget) m_workArea,
 250         NULL);
 251
 252     XtManageChild((Widget) m_clientArea);
 253     XtManageChild((Widget) m_workArea);
 254
 255     wxAddWindowToTable((Widget) m_workArea, this);
 256     wxAddWindowToTable((Widget) m_clientArea, this);
 257
 258     XtTranslations ptr;
 259
 260     XtOverrideTranslations((Widget) m_workArea,
 261         ptr = XtParseTranslationTable("<Configure>: resize()"));
 262
 263     XtFree((char *)ptr);
 264
 265     XtAddCallback((Widget) m_workArea, XmNfocusCallback,
 266         (XtCallbackProc)wxFrameFocusProc, (XtPointer)this);
 267
 268     /* Part of show-&-hide fix */
 269     XtAddEventHandler((Widget) m_frameShell, StructureNotifyMask,
 270         False, (XtEventHandler)wxFrameMapProc,
 271         (XtPointer)m_workArea);
 272
 273     if (x > -1)
 274         XtVaSetValues((Widget) m_frameShell, XmNx, x, NULL);
 275     if (y > -1)
 276         XtVaSetValues((Widget) m_frameShell, XmNy, y, NULL);
 277     if (width > -1)
 278         XtVaSetValues((Widget) m_frameShell, XmNwidth, width, NULL);
 279     if (height > -1)
 280         XtVaSetValues((Widget) m_frameShell, XmNheight, height, NULL);
 281
 282     m_mainWidget = m_frameWidget;
 283
 284     ChangeFont(FALSE);
 285
 286     // This patch comes from Torsten Liermann lier@lier1.muc.de
 287     if (XmIsMotifWMRunning( (Widget) m_frameShell ))
 288     {
 289         int decor = 0;
 290         if (style & wxRESIZE_BORDER)
 291             decor |= MWM_DECOR_RESIZEH;
 292         if (style & wxSYSTEM_MENU)
 293             decor |= MWM_DECOR_MENU;
 294         if ((style & wxCAPTION) ||
 295             (style & wxTINY_CAPTION_HORIZ) ||
 296             (style & wxTINY_CAPTION_VERT))
 297             decor |= MWM_DECOR_TITLE;
 298         if (style & wxTHICK_FRAME)
 299             decor |= MWM_DECOR_BORDER;
 300         if (style & wxTHICK_FRAME)
 301             decor |= MWM_DECOR_BORDER;
 302         if (style & wxMINIMIZE_BOX)
 303             decor |= MWM_DECOR_MINIMIZE;
 304         if (style & wxMAXIMIZE_BOX)
 305             decor |= MWM_DECOR_MAXIMIZE;
 306         XtVaSetValues((Widget) m_frameShell,XmNmwmDecorations,decor,NULL);
 307     }
 308     // This allows non-Motif window managers to support at least the
 309     // no-decorations case.
 310     else
 311     {
 312         if (style == 0)
 313             XtVaSetValues((Widget) m_frameShell,XmNoverrideRedirect,TRUE,NULL);
 314     }
 315     XtRealizeWidget((Widget) m_frameShell);
 316
 317     // Intercept CLOSE messages from the window manager
 318     Atom WM_DELETE_WINDOW = XmInternAtom(XtDisplay((Widget) m_frameShell), "WM_DELETE_WINDOW", False);
 319 #if (XmREVISION > 1 || XmVERSION > 1)
 320     XmAddWMProtocolCallback((Widget) m_frameShell, WM_DELETE_WINDOW, (XtCallbackProc) wxCloseFrameCallback, (XtPointer)this);
 321 #else
 322 #if XmREVISION == 1
 323     XmAddWMProtocolCallback((Widget) m_frameShell, WM_DELETE_WINDOW, (XtCallbackProc) wxCloseFrameCallback, (caddr_t)this);
 324 #else
 325     XmAddWMProtocolCallback((Widget) m_frameShell, WM_DELETE_WINDOW, (void (*)())wxCloseFrameCallback, (caddr_t)this);
 326 #endif
 327 #endif
 328
 329     ChangeBackgroundColour();
 330
 331     PreResize();
 332
 333     wxSizeEvent sizeEvent(wxSize(width, height), GetId());
 334     sizeEvent.SetEventObject(this);
 335
 336     GetEventHandler()->ProcessEvent(sizeEvent);
 337
 338     return TRUE;
 339 }
 340
 341 wxFrame::~wxFrame()
 342 {
 343     m_isBeingDeleted = TRUE;
 344
 345     if (m_clientArea)
 346     {
 347       XtRemoveEventHandler((Widget) m_clientArea, ExposureMask, FALSE,
 348           wxUniversalRepaintProc, (XtPointer) this);
 349       XtRemoveEventHandler((Widget) m_clientArea, ButtonPressMask | ButtonReleaseMask | PointerMotionMask | KeyPressMask,
 350           FALSE,
 351           wxFrameEventHandler, (XtPointer) this);
 352       wxDeleteWindowFromTable((Widget) m_clientArea);
 353     }
 354
 355     if (GetMainWidget())
 356         Show(FALSE);
 357
 358     if (m_frameMenuBar)
 359     {
 360         m_frameMenuBar->DestroyMenuBar();
 361
 362         // Hack to stop core dump on Ultrix, OSF, for some strange reason.
 363 #if MOTIF_MENUBAR_DELETE_FIX
 364         GetMenuBar()->SetMainWidget((WXWidget) NULL);
 365 #endif
 366         delete m_frameMenuBar;
 367         m_frameMenuBar = NULL;
 368     }
 369
 370     wxTopLevelWindows.DeleteObject(this);
 371     wxModelessWindows.DeleteObject(this);
 372
 373     if (m_frameStatusBar)
 374     {
 375         delete m_frameStatusBar;
 376         m_frameStatusBar = NULL;
 377     }
 378
 379     DestroyChildren();
 380
 381     if (m_workArea)
 382     {
 383         wxDeleteWindowFromTable((Widget) m_workArea);
 384
 385         XtDestroyWidget ((Widget) m_workArea);
 386     }
 387
 388     if (m_frameWidget)
 389     {
 390         wxDeleteWindowFromTable((Widget) m_frameWidget);
 391         XtDestroyWidget ((Widget) m_frameWidget);
 392     }
 393
 394     if (m_frameShell)
 395         XtDestroyWidget ((Widget) m_frameShell);
 396
 397     SetMainWidget((WXWidget) NULL);
 398
 399     /* Check if it's the last top-level window */
 400
 401     if (wxTheApp && (wxTopLevelWindows.Number() == 0))
 402     {
 403         wxTheApp->SetTopWindow(NULL);
 404
 405         if (wxTheApp->GetExitOnFrameDelete())
 406         {
 407             // Signal to the app that we're going to close
 408             wxTheApp->ExitMainLoop();
 409         }
 410     }
 411 }
 412
 413 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 414 void wxFrame::DoGetClientSize(int *x, int *y) const
 415 {
 416     Dimension xx, yy;
 417     XtVaGetValues((Widget) m_workArea, XmNwidth, &xx, XmNheight, &yy, NULL);
 418
 419     if (m_frameStatusBar)
 420     {
 421         int sbw, sbh;
 422         m_frameStatusBar->GetSize(& sbw, & sbh);
 423         yy -= sbh;
 424     }
 425 #if wxUSE_TOOLBAR
 426     if (m_frameToolBar)
 427     {
 428         int tbw, tbh;
 429         m_frameToolBar->GetSize(& tbw, & tbh);
 430         if (m_frameToolBar->GetWindowStyleFlag() & wxTB_VERTICAL)
 431             xx -= tbw;
 432         else
 433             yy -= tbh;
 434     }
 435 #endif // wxUSE_TOOLBAR
 436     /*
 437     if (GetMenuBar() != (wxMenuBar*) NULL)
 438     {
 439     // it seems that if a frame holds a panel, the menu bar size
 440     // gets automatically taken care of --- grano@cs.helsinki.fi 4.4.95
 441     bool hasSubPanel = FALSE;
 442     for(wxNode* node = GetChildren().First(); node; node = node->Next())
 443     {
 444     wxWindow *win = (wxWindow *)node->Data();
 445     hasSubPanel = (win->IsKindOf(CLASSINFO(wxPanel)) && !win->IsKindOf(CLASSINFO(wxDialog)));
 446
 447       if (hasSubPanel)
 448       break;
 449       }
 450       if (! hasSubPanel) {
 451       Dimension ys;
 452       XtVaGetValues((Widget) GetMenuBarWidget(), XmNheight, &ys, NULL);
 453       yy -= ys;
 454       }
 455       }
 456     */
 457
 458     *x = xx; *y = yy;
 459 }
 460
 461 // Set the client size (i.e. leave the calculation of borders etc.
 462 // to wxWindows)
 463 void wxFrame::DoSetClientSize(int width, int height)
 464 {
 465     // Calculate how large the new main window should be
 466     // by finding the difference between the client area and the
 467     // main window area, and adding on to the new client area
 468     if (width > -1)
 469         XtVaSetValues((Widget) m_workArea, XmNwidth, width, NULL);
 470
 471     if (height > -1)
 472     {
 473         if (m_frameStatusBar)
 474         {
 475             int sbw, sbh;
 476             m_frameStatusBar->GetSize(& sbw, & sbh);
 477             height += sbh;
 478         }
 479 #if wxUSE_TOOLBAR
 480         if (m_frameToolBar)
 481         {
 482             int tbw, tbh;
 483             m_frameToolBar->GetSize(& tbw, & tbh);
 484             if (m_frameToolBar->GetWindowStyleFlag() & wxTB_VERTICAL)
 485                 width += tbw;
 486             else
 487                 height += tbh;
 488         }
 489 #endif // wxUSE_TOOLBAR
 490
 491         XtVaSetValues((Widget) m_workArea, XmNheight, height, NULL);
 492     }
 493     PreResize();
 494
 495     wxSizeEvent sizeEvent(wxSize(width, height), GetId());
 496     sizeEvent.SetEventObject(this);
 497
 498     GetEventHandler()->ProcessEvent(sizeEvent);
 499
 500 }
 501
 502 void wxFrame::DoGetSize(int *width, int *height) const
 503 {
 504     Dimension xx, yy;
 505     XtVaGetValues((Widget) m_frameShell, XmNwidth, &xx, XmNheight, &yy, NULL);
 506     *width = xx; *height = yy;
 507 }
 508
 509 void wxFrame::DoGetPosition(int *x, int *y) const
 510 {
 511     Window parent_window = XtWindow((Widget) m_frameShell),
 512         next_parent   = XtWindow((Widget) m_frameShell),
 513         root          = RootWindowOfScreen(XtScreen((Widget) m_frameShell));
 514
 515     // search for the parent that is child of ROOT, because the WM may
 516     // reparent twice and notify only the next parent (like FVWM)
 517     while (next_parent != root) {
 518         Window *theChildren; unsigned int n;
 519         parent_window = next_parent;
 520         XQueryTree(XtDisplay((Widget) m_frameShell), parent_window, &root,
 521             &next_parent, &theChildren, &n);
 522         XFree(theChildren); // not needed
 523     }
 524     int xx, yy; unsigned int dummy;
 525     XGetGeometry(XtDisplay((Widget) m_frameShell), parent_window, &root,
 526         &xx, &yy, &dummy, &dummy, &dummy, &dummy);
 527     if (x) *x = xx;
 528     if (y) *y = yy;
 529 }
 530
 531 void wxFrame::DoSetSize(int x, int y, int width, int height, int WXUNUSED(sizeFlags))
 532 {
 533     if (x > -1)
 534         XtVaSetValues((Widget) m_frameShell, XmNx, x, NULL);
 535     if (y > -1)
 536         XtVaSetValues((Widget) m_frameShell, XmNy, y, NULL);
 537     if (width > -1)
 538         XtVaSetValues((Widget) m_frameWidget, XmNwidth, width, NULL);
 539     if (height > -1)
 540         XtVaSetValues((Widget) m_frameWidget, XmNheight, height, NULL);
 541
 542     if (!(height == -1 && width == -1))
 543     {
 544         PreResize();
 545
 546         wxSizeEvent sizeEvent(wxSize(width, height), GetId());
 547         sizeEvent.SetEventObject(this);
 548
 549         GetEventHandler()->ProcessEvent(sizeEvent);
 550     }
 551 }
 552
 553 bool wxFrame::Show(bool show)
 554 {
 555     if (!m_frameShell)
 556         return wxWindow::Show(show);
 557
 558     m_visibleStatus = show; /* show-&-hide fix */
 559
 560     m_isShown = show;
 561     if (show) {
 562         XtMapWidget((Widget) m_frameShell);
 563         XRaiseWindow(XtDisplay((Widget) m_frameShell), XtWindow((Widget) m_frameShell));
 564     } else {
 565         XtUnmapWidget((Widget) m_frameShell);
 566         //    XmUpdateDisplay(wxTheApp->topLevel); // Experimental: may be responsible for crashes
 567     }
 568     return TRUE;
 569 }
 570
 571 void wxFrame::Iconize(bool iconize)
 572 {
 573     if (!iconize)
 574         Show(TRUE);
 575
 576     if (m_frameShell)
 577         XtVaSetValues((Widget) m_frameShell, XmNiconic, (Boolean)iconize, NULL);
 578 }
 579
 580 void wxFrame::Restore()
 581 {
 582     if ( m_frameShell )
 583         XtVaSetValues((Widget) m_frameShell, XmNiconic, FALSE, NULL);
 584 }
 585
 586 void wxFrame::Maximize(bool maximize)
 587 {
 588     Show(TRUE);
 589
 590     if ( maximize )
 591         Restore();
 592 }
 593
 594 bool wxFrame::IsIconized() const
 595 {
 596     if (!m_frameShell)
 597         return FALSE;
 598
 599     Boolean iconic;
 600     XtVaGetValues((Widget) m_frameShell, XmNiconic, &iconic, NULL);
 601     return iconic;
 602 }
 603
 604 // Is it maximized?
 605 bool wxFrame::IsMaximized() const
 606 {
 607     // No maximizing in Motif (?)
 608     return FALSE;
 609 }
 610
 611 void wxFrame::SetTitle(const wxString& title)
 612 {
 613     if (title == m_title)
 614         return;
 615
 616     m_title = title;
 617
 618     if (!title.IsNull())
 619         XtVaSetValues((Widget) m_frameShell,
 620         XmNtitle, title.c_str(),
 621         XmNiconName, title.c_str(),
 622         NULL);
 623 }
 624
 625 void wxFrame::SetIcon(const wxIcon& icon)
 626 {
 627     m_icon = icon;
 628
 629     if (!m_frameShell)
 630         return;
 631
 632     if (!icon.Ok() || !icon.GetPixmap())
 633         return;
 634
 635     XtVaSetValues((Widget) m_frameShell, XtNiconPixmap, icon.GetPixmap(), NULL);
 636 }
 637
 638 void wxFrame::PositionStatusBar()
 639 {
 640     if (!m_frameStatusBar)
 641         return;
 642
 643     int w, h;
 644     GetClientSize(&w, &h);
 645     int sw, sh;
 646     m_frameStatusBar->GetSize(&sw, &sh);
 647
 648     // Since we wish the status bar to be directly under the client area,
 649     // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 650     m_frameStatusBar->SetSize(0, h, w, sh);
 651 }
 652
 653 WXWidget wxFrame::GetMenuBarWidget() const
 654 {
 655     if (GetMenuBar())
 656         return GetMenuBar()->GetMainWidget();
 657     else
 658         return (WXWidget) NULL;
 659 }
 660
 661 void wxFrame::SetMenuBar(wxMenuBar *menuBar)
 662 {
 663     if (!menuBar)
 664     {
 665         m_frameMenuBar = NULL;
 666         return;
 667     }
 668
 669     // Currently can't set it twice
 670     //    wxASSERT_MSG( (m_frameMenuBar == (wxMenuBar*) NULL), "Cannot set the menubar more than once");
 671
 672     if (m_frameMenuBar)
 673     {
 674         m_frameMenuBar->DestroyMenuBar();
 675         delete m_frameMenuBar;
 676     }
 677
 678     m_frameMenuBar = menuBar;
 679     m_frameMenuBar->CreateMenuBar(this);
 680 }
 681
 682 // Responds to colour changes, and passes event on to children.
 683 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 684 {
 685     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 686     Refresh();
 687
 688     if ( m_frameStatusBar )
 689     {
 690         wxSysColourChangedEvent event2;
 691         event2.SetEventObject( m_frameStatusBar );
 692         m_frameStatusBar->ProcessEvent(event2);
 693     }
 694
 695     // Propagate the event to the non-top-level children
 696     wxWindow::OnSysColourChanged(event);
 697 }
 698
 699 // Default activation behaviour - set the focus for the first child
 700 // subwindow found.
 701 void wxFrame::OnActivate(wxActivateEvent& event)
 702 {
 703     if (!event.GetActive())
 704         return;
 705
 706     for(wxNode *node = GetChildren().First(); node; node = node->Next())
 707     {
 708         // Find a child that's a subwindow, but not a dialog box.
 709         wxWindow *child = (wxWindow *)node->Data();
 710         if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
 711             !child->IsKindOf(CLASSINFO(wxDialog)))
 712         {
 713             child->SetFocus();
 714             return;
 715         }
 716     }
 717 }
 718
 719 #if wxUSE_TOOLBAR
 720
 721 wxToolBar* wxFrame::CreateToolBar(long style,
 722                                   wxWindowID id,
 723                                   const wxString& name)
 724 {
 725     if ( wxFrameBase::CreateToolBar(style, id, name) )
 726     {
 727         PositionToolBar();
 728     }
 729
 730     return m_frameToolBar;
 731 }
 732
 733 void wxFrame::PositionToolBar()
 734 {
 735     if (GetToolBar())
 736     {
 737         int cw, ch;
 738         GetClientSize(& cw, &ch);
 739
 740         int tw, th;
 741         GetToolBar()->GetSize(& tw, & th);
 742
 743         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 744         {
 745             // Use the 'real' position. wxSIZE_NO_ADJUSTMENTS
 746             // means, pretend we don't have toolbar/status bar, so we
 747             // have the original client size.
 748             GetToolBar()->SetSize(0, 0, tw, ch + th, wxSIZE_NO_ADJUSTMENTS);
 749         }
 750         else
 751         {
 752             // Use the 'real' position
 753             GetToolBar()->SetSize(0, 0, cw, th, wxSIZE_NO_ADJUSTMENTS);
 754         }
 755     }
 756 }
 757 #endif // wxUSE_TOOLBAR
 758
 759 void wxFrame::Raise()
 760 {
 761     Window parent_window = XtWindow((Widget) m_frameShell),
 762         next_parent   = XtWindow((Widget) m_frameShell),
 763         root          = RootWindowOfScreen(XtScreen((Widget) m_frameShell));
 764     // search for the parent that is child of ROOT, because the WM may
 765     // reparent twice and notify only the next parent (like FVWM)
 766     while (next_parent != root) {
 767         Window *theChildren; unsigned int n;
 768         parent_window = next_parent;
 769         XQueryTree(XtDisplay((Widget) m_frameShell), parent_window, &root,
 770             &next_parent, &theChildren, &n);
 771         XFree(theChildren); // not needed
 772     }
 773     XRaiseWindow(XtDisplay((Widget) m_frameShell), parent_window);
 774 }
 775
 776 void wxFrame::Lower()
 777 {
 778     Window parent_window = XtWindow((Widget) m_frameShell),
 779         next_parent   = XtWindow((Widget) m_frameShell),
 780         root          = RootWindowOfScreen(XtScreen((Widget) m_frameShell));
 781     // search for the parent that is child of ROOT, because the WM may
 782     // reparent twice and notify only the next parent (like FVWM)
 783     while (next_parent != root) {
 784         Window *theChildren; unsigned int n;
 785         parent_window = next_parent;
 786         XQueryTree(XtDisplay((Widget) m_frameShell), parent_window, &root,
 787             &next_parent, &theChildren, &n);
 788         XFree(theChildren); // not needed
 789     }
 790     XLowerWindow(XtDisplay((Widget) m_frameShell), parent_window);
 791 }
 792
 793 void wxFrameFocusProc(Widget WXUNUSED(workArea), XtPointer WXUNUSED(clientData),
 794                       XmAnyCallbackStruct *WXUNUSED(cbs))
 795 {
 796     // wxDebugMsg("focus proc from frame %ld\n",(long)frame);
 797     // TODO
 798     // wxFrame *frame = (wxFrame *)clientData;
 799     // frame->GetEventHandler()->OnSetFocus();
 800 }
 801
 802 /* MATTEW: Used to insure that hide-&-show within an event cycle works */
 803 static void wxFrameMapProc(Widget frameShell, XtPointer clientData,
 804                            XCrossingEvent * event)
 805 {
 806     wxFrame *frame = (wxFrame *)wxGetWindowFromTable((Widget)clientData);
 807
 808     if (frame) {
 809         XEvent *e = (XEvent *)event;
 810
 811         if (e->xany.type == MapNotify)
 812         {
 813             // Iconize fix
 814             XtVaSetValues(frameShell, XmNiconic, (Boolean)False, NULL);
 815             if (!frame->GetVisibleStatus())
 816             {
 817                 /* We really wanted this to be hidden! */
 818                 XtUnmapWidget((Widget) frame->GetShellWidget());
 819             }
 820         }
 821         else if (e->xany.type == UnmapNotify)
 822             // Iconize fix
 823             XtVaSetValues(frameShell, XmNiconic, (Boolean)True, NULL);
 824     }
 825 }
 826
 827 //// Motif-specific
 828 bool wxFrame::PreResize()
 829 {
 830 #if wxUSE_TOOLBAR
 831     PositionToolBar();
 832 #endif // wxUSE_TOOLBAR
 833
 834 #if wxUSE_STATUSBAR
 835     PositionStatusBar();
 836 #endif // wxUSE_STATUSBAR
 837
 838     return TRUE;
 839 }
 840
 841 WXWidget wxFrame::GetClientWidget() const
 842 {
 843     return m_clientArea;
 844 }
 845
 846 void wxFrame::ChangeFont(bool WXUNUSED(keepOriginalSize))
 847 {
 848     // TODO
 849 }
 850
 851 void wxFrame::ChangeBackgroundColour()
 852 {
 853     if (GetClientWidget())
 854         DoChangeBackgroundColour(GetClientWidget(), m_backgroundColour);
 855 }
 856
 857 void wxFrame::ChangeForegroundColour()
 858 {
 859     if (GetClientWidget())
 860         DoChangeForegroundColour(GetClientWidget(), m_foregroundColour);
 861 }
 862
 863 void wxCloseFrameCallback(Widget WXUNUSED(widget), XtPointer client_data, XmAnyCallbackStruct *WXUNUSED(cbs))
 864 {
 865     wxFrame *frame = (wxFrame *)client_data;
 866
 867     wxCloseEvent closeEvent(wxEVT_CLOSE_WINDOW, frame->GetId());
 868     closeEvent.SetEventObject(frame);
 869
 870     // May delete the frame (with delayed deletion)
 871     frame->GetEventHandler()->ProcessEvent(closeEvent);
 872 }
 873
 874 static void wxFrameEventHandler(Widget    wid,
 875                              XtPointer WXUNUSED(client_data),
 876                              XEvent*   event,
 877                              Boolean*  continueToDispatch)
 878 {
 879     wxFrame *frame = (wxFrame *)wxGetWindowFromTable(wid);
 880     if (frame)
 881     {
 882         wxMouseEvent wxevent(wxEVT_NULL);
 883         if (wxTranslateMouseEvent(wxevent, frame, wid, event))
 884         {
 885             wxevent.SetEventObject(frame);
 886             wxevent.SetId(frame->GetId());
 887             frame->GetEventHandler()->ProcessEvent(wxevent);
 888         }
 889         else
 890         {
 891             // An attempt to implement OnCharHook by calling OnCharHook first;
 892             // if this returns TRUE, set continueToDispatch to False
 893             // (don't continue processing).
 894             // Otherwise set it to True and call OnChar.
 895             wxKeyEvent keyEvent(wxEVT_CHAR);
 896             if (wxTranslateKeyEvent(keyEvent, frame, wid, event))
 897             {
 898                 keyEvent.SetEventObject(frame);
 899                 keyEvent.SetId(frame->GetId());
 900                 keyEvent.SetEventType(wxEVT_CHAR_HOOK);
 901                 if (frame->GetEventHandler()->ProcessEvent(keyEvent))
 902                 {
 903                     *continueToDispatch = False;
 904                     return;
 905                 }
 906                 else
 907                 {
 908                     // For simplicity, OnKeyDown is the same as OnChar
 909                     // TODO: filter modifier key presses from OnChar
 910                     keyEvent.SetEventType(wxEVT_KEY_DOWN);
 911
 912                     // Only process OnChar if OnKeyDown didn't swallow it
 913                     if (!frame->GetEventHandler()->ProcessEvent (keyEvent))
 914                     {
 915                         keyEvent.SetEventType(wxEVT_CHAR);
 916                         frame->GetEventHandler()->ProcessEvent(keyEvent);
 917                     }
 918                 }
 919             }
 920         }
 921     }
 922     *continueToDispatch = True;
 923 }
 924