src/motif/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #ifdef __GNUG__
  13 #pragma implementation "frame.h"
  14 #endif
  15
  16 #include "wx/frame.h"
  17 #include "wx/statusbr.h"
  18 #include "wx/toolbar.h"
  19 #include "wx/menuitem.h"
  20 #include "wx/menu.h"
  21 #include "wx/dcclient.h"
  22 #include "wx/dialog.h"
  23 #include "wx/settings.h"
  24 #include "wx/app.h"
  25 #include "wx/utils.h"
  26
  27 #if defined(__ultrix) || defined(__sgi)
  28 #include <Xm/Frame.h>
  29 #endif
  30
  31 #include <Xm/Xm.h>
  32 #include <X11/Shell.h>
  33 #if XmVersion >= 1002
  34 #include <Xm/XmAll.h>
  35 #else
  36 #include <Xm/Frame.h>
  37 #endif
  38 #include <Xm/MwmUtil.h>
  39 #include <Xm/BulletinB.h>
  40 #include <Xm/Form.h>
  41 #include <Xm/MainW.h>
  42 #include <Xm/RowColumn.h>
  43 #include <Xm/Label.h>
  44 #include <Xm/AtomMgr.h>
  45 #include <Xm/LabelG.h>
  46 #include <Xm/Frame.h>
  47 #if   XmVersion > 1000
  48 #include <Xm/Protocols.h>
  49 #endif
  50
  51 #include "wx/motif/private.h"
  52
  53 void wxCloseFrameCallback(Widget, XtPointer, XmAnyCallbackStruct *cbs);
  54 void wxFrameFocusProc(Widget workArea, XtPointer clientData,
  55                       XmAnyCallbackStruct *cbs);
  56 static void wxFrameMapProc(Widget frameShell, XtPointer clientData,
  57                            XCrossingEvent * event);
  58
  59 extern wxList wxModelessWindows;
  60 extern wxList wxPendingDelete;
  61
  62 // TODO: this should be tidied so that any frame can be the
  63 // top frame
  64 static bool wxTopLevelUsed = FALSE;
  65
  66 #if !USE_SHARED_LIBRARY
  67 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
  68   EVT_SIZE(wxFrame::OnSize)
  69   EVT_ACTIVATE(wxFrame::OnActivate)
  70   EVT_MENU_HIGHLIGHT_ALL(wxFrame::OnMenuHighlight)
  71   EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  72   EVT_IDLE(wxFrame::OnIdle)
  73   EVT_CLOSE(wxFrame::OnCloseWindow)
  74 END_EVENT_TABLE()
  75
  76 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
  77 #endif
  78
  79 #if wxUSE_NATIVE_STATUSBAR
  80 bool wxFrame::m_useNativeStatusBar = TRUE;
  81 #else
  82 bool wxFrame::m_useNativeStatusBar = FALSE;
  83 #endif
  84
  85 wxFrame::wxFrame()
  86 {
  87     m_frameToolBar = NULL ;
  88     m_frameMenuBar = NULL;
  89     m_frameStatusBar = NULL;
  90
  91     m_windowParent = NULL;
  92     m_iconized = FALSE;
  93
  94     //// Motif-specific
  95     m_frameShell = (WXWidget) NULL;
  96     m_frameWidget = (WXWidget) NULL;;
  97     m_workArea = (WXWidget) NULL;;
  98     m_clientArea = (WXWidget) NULL;;
  99     m_visibleStatus = TRUE;
 100     m_title = "";
 101 }
 102
 103 bool wxFrame::Create(wxWindow *parent,
 104            wxWindowID id,
 105            const wxString& title,
 106            const wxPoint& pos,
 107            const wxSize& size,
 108            long style,
 109            const wxString& name)
 110 {
 111   if (!parent)
 112       wxTopLevelWindows.Append(this);
 113
 114   SetName(name);
 115
 116   m_windowStyle = style;
 117   m_frameMenuBar = NULL;
 118   m_frameToolBar = NULL ;
 119   m_frameStatusBar = NULL;
 120
 121   //// Motif-specific
 122   m_frameShell = (WXWidget) NULL;
 123   m_frameWidget = (WXWidget) NULL;;
 124   m_workArea = (WXWidget) NULL;;
 125   m_clientArea = (WXWidget) NULL;;
 126   m_visibleStatus = TRUE;
 127   m_title = "";
 128
 129   m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE);
 130   m_foregroundColour = *wxBLACK;
 131   m_windowFont = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
 132
 133   if ( id > -1 )
 134     m_windowId = id;
 135   else
 136     m_windowId = (int)NewControlId();
 137
 138   if (parent) parent->AddChild(this);
 139
 140   wxModelessWindows.Append(this);
 141
 142   int x = pos.x; int y = pos.y;
 143   int width = size.x; int height = size.y;
 144
 145   if (wxTopLevelUsed)
 146     // Change suggested by Matthew Flatt
 147     m_frameShell = (WXWidget) XtAppCreateShell(name, wxTheApp->GetClassName(), topLevelShellWidgetClass, (Display*) wxGetDisplay(), NULL, 0);
 148   else
 149   {
 150     m_frameShell = wxTheApp->GetTopLevelWidget();
 151     wxTopLevelUsed = TRUE;
 152   }
 153
 154   XtVaSetValues((Widget) m_frameShell,
 155                  // Allows menu to resize
 156                  XmNallowShellResize, True,
 157                  XmNdeleteResponse, XmDO_NOTHING,
 158                  XmNmappedWhenManaged, False,
 159                  XmNiconic, (style & wxICONIZE) ? TRUE : FALSE,
 160                  NULL);
 161
 162   if (!title.IsNull())
 163     XtVaSetValues((Widget) m_frameShell,
 164                   XmNtitle, (const char*) title,
 165                   NULL);
 166
 167   m_frameWidget = (WXWidget) XtVaCreateManagedWidget("main_window",
 168                     xmMainWindowWidgetClass, (Widget) m_frameShell,
 169                     XmNresizePolicy, XmRESIZE_NONE,
 170                     NULL);
 171
 172   m_workArea = (WXWidget) XtVaCreateWidget("form",
 173                     xmFormWidgetClass, (Widget) m_frameWidget,
 174                     XmNresizePolicy, XmRESIZE_NONE,
 175                     NULL);
 176
 177   m_clientArea = (WXWidget) XtVaCreateWidget("client",
 178                     xmBulletinBoardWidgetClass, (Widget) m_workArea,
 179                     XmNmarginWidth, 0,
 180                     XmNmarginHeight, 0,
 181                     XmNrightAttachment, XmATTACH_FORM,
 182                     XmNleftAttachment, XmATTACH_FORM,
 183                     XmNtopAttachment, XmATTACH_FORM,
 184                     XmNbottomAttachment, XmATTACH_FORM,
 185 //                    XmNresizePolicy, XmRESIZE_ANY,
 186                     NULL);
 187
 188   XtVaSetValues((Widget) m_frameWidget,
 189     XmNworkWindow, (Widget) m_workArea,
 190     NULL);
 191
 192
 193   XtManageChild((Widget) m_clientArea);
 194   XtManageChild((Widget) m_workArea);
 195
 196   wxASSERT_MSG ((wxWidgetHashTable->Get((long)m_workArea) == (wxObject*) NULL), "Widget table clash in frame.cpp") ;
 197
 198   wxAddWindowToTable((Widget) m_workArea, this);
 199
 200   XtTranslations ptr ;
 201
 202   XtOverrideTranslations((Widget) m_workArea,
 203               ptr = XtParseTranslationTable("<Configure>: resize()"));
 204
 205   XtFree((char *)ptr);
 206
 207   XtAddCallback((Widget) m_workArea, XmNfocusCallback,
 208                 (XtCallbackProc)wxFrameFocusProc, (XtPointer)this);
 209
 210   /* Part of show-&-hide fix */
 211   XtAddEventHandler((Widget) m_frameShell, StructureNotifyMask,
 212                     False, (XtEventHandler)wxFrameMapProc,
 213                     (XtPointer)m_workArea);
 214
 215   if (x > -1)
 216     XtVaSetValues((Widget) m_frameShell, XmNx, x, NULL);
 217   if (y > -1)
 218     XtVaSetValues((Widget) m_frameShell, XmNy, y, NULL);
 219   if (width > -1)
 220     XtVaSetValues((Widget) m_frameShell, XmNwidth, width, NULL);
 221   if (height > -1)
 222     XtVaSetValues((Widget) m_frameShell, XmNheight, height, NULL);
 223
 224   m_mainWidget = m_frameWidget;
 225
 226   ChangeFont(FALSE);
 227
 228   // This patch comes from Torsten Liermann lier@lier1.muc.de
 229   if (XmIsMotifWMRunning( (Widget) m_frameShell ))
 230   {
 231     int decor = 0 ;
 232     if (style & wxRESIZE_BORDER)
 233       decor |= MWM_DECOR_RESIZEH ;
 234     if (style & wxSYSTEM_MENU)
 235       decor |= MWM_DECOR_MENU;
 236     if ((style & wxCAPTION) ||
 237         (style & wxTINY_CAPTION_HORIZ) ||
 238         (style & wxTINY_CAPTION_VERT))
 239       decor |= MWM_DECOR_TITLE;
 240     if (style & wxTHICK_FRAME)
 241       decor |= MWM_DECOR_BORDER;
 242     if (style & wxTHICK_FRAME)
 243       decor |= MWM_DECOR_BORDER;
 244     if (style & wxMINIMIZE_BOX)
 245       decor |= MWM_DECOR_MINIMIZE;
 246     if (style & wxMAXIMIZE_BOX)
 247       decor |= MWM_DECOR_MAXIMIZE;
 248     XtVaSetValues((Widget) m_frameShell,XmNmwmDecorations,decor,NULL) ;
 249   }
 250   // This allows non-Motif window managers to support at least the
 251   // no-decorations case.
 252   else
 253   {
 254     if (style == 0)
 255         XtVaSetValues((Widget) m_frameShell,XmNoverrideRedirect,TRUE,NULL);
 256   }
 257   XtRealizeWidget((Widget) m_frameShell);
 258
 259   // Intercept CLOSE messages from the window manager
 260   Atom WM_DELETE_WINDOW = XmInternAtom(XtDisplay((Widget) m_frameShell), "WM_DELETE_WINDOW", False);
 261 #if (XmREVISION > 1 || XmVERSION > 1)
 262   XmAddWMProtocolCallback((Widget) m_frameShell, WM_DELETE_WINDOW, (XtCallbackProc) wxCloseFrameCallback, (XtPointer)this);
 263 #else
 264 #if XmREVISION == 1
 265   XmAddWMProtocolCallback((Widget) m_frameShell, WM_DELETE_WINDOW, (XtCallbackProc) wxCloseFrameCallback, (caddr_t)this);
 266 #else
 267   XmAddWMProtocolCallback((Widget) m_frameShell, WM_DELETE_WINDOW, (void (*)())wxCloseFrameCallback, (caddr_t)this);
 268 #endif
 269 #endif
 270
 271   ChangeBackgroundColour();
 272
 273   PreResize();
 274
 275   wxSizeEvent sizeEvent(wxSize(width, height), GetId());
 276   sizeEvent.SetEventObject(this);
 277
 278   GetEventHandler()->ProcessEvent(sizeEvent);
 279
 280   return TRUE;
 281 }
 282
 283 wxFrame::~wxFrame()
 284 {
 285   if (GetMainWidget())
 286     Show(FALSE);
 287
 288   if (m_frameMenuBar)
 289   {
 290     m_frameMenuBar->DestroyMenuBar();
 291
 292 // Hack to stop core dump on Ultrix, OSF, for some strange reason.
 293 #if MOTIF_MENUBAR_DELETE_FIX
 294     GetMenuBar()->SetMainWidget((WXWidget) NULL);
 295 #endif
 296     delete m_frameMenuBar;
 297     m_frameMenuBar = NULL;
 298   }
 299
 300   wxTopLevelWindows.DeleteObject(this);
 301   wxModelessWindows.DeleteObject(this);
 302
 303   if (m_frameStatusBar)
 304     delete m_frameStatusBar;
 305
 306   DestroyChildren();
 307
 308 /*
 309   int i;
 310   for (i = 0; i < wxMAX_STATUS; i++)
 311     if (statusTextWidget[i])
 312       XtDestroyWidget (statusTextWidget[i]);
 313
 314   if (statusLineForm)
 315     XtDestroyWidget (statusLineForm);
 316
 317   if (statusLineWidget)
 318     XtDestroyWidget (statusLineWidget);
 319  */
 320
 321   if (m_workArea)
 322   {
 323       wxDeleteWindowFromTable((Widget) m_workArea);
 324
 325       XtDestroyWidget ((Widget) m_workArea);
 326   }
 327
 328   if (m_frameWidget)
 329   {
 330       wxDeleteWindowFromTable((Widget) m_frameWidget);
 331       XtDestroyWidget ((Widget) m_frameWidget);
 332   }
 333
 334   if (m_frameShell)
 335       XtDestroyWidget ((Widget) m_frameShell);
 336
 337   SetMainWidget((WXWidget) NULL);
 338
 339 /* Check if it's the last top-level window */
 340
 341   if (wxTheApp && (wxTopLevelWindows.Number() == 0))
 342   {
 343     wxTheApp->SetTopWindow(NULL);
 344
 345     if (wxTheApp->GetExitOnFrameDelete())
 346     {
 347        // Signal to the app that we're going to close
 348        wxTheApp->ExitMainLoop();
 349     }
 350   }
 351
 352 }
 353
 354 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 355 void wxFrame::GetClientSize(int *x, int *y) const
 356 {
 357   Dimension xx, yy;
 358   XtVaGetValues((Widget) m_workArea, XmNwidth, &xx, XmNheight, &yy, NULL);
 359
 360   if (m_frameStatusBar)
 361   {
 362     int sbw, sbh;
 363     m_frameStatusBar->GetSize(& sbw, & sbh);
 364     yy -= sbh;
 365   }
 366   if (m_frameToolBar)
 367   {
 368     int tbw, tbh;
 369     m_frameToolBar->GetSize(& tbw, & tbh);
 370     if (m_frameToolBar->GetWindowStyleFlag() & wxTB_VERTICAL)
 371       xx -= tbw;
 372     else
 373       yy -= tbh;
 374   }
 375 /*
 376   if (GetMenuBar() != (wxMenuBar*) NULL)
 377   {
 378     // it seems that if a frame holds a panel, the menu bar size
 379     // gets automatically taken care of --- grano@cs.helsinki.fi 4.4.95
 380     bool hasSubPanel = FALSE;
 381     for(wxNode* node = GetChildren()->First(); node; node = node->Next())
 382     {
 383      wxWindow *win = (wxWindow *)node->Data();
 384      hasSubPanel = (win->IsKindOf(CLASSINFO(wxPanel)) && !win->IsKindOf(CLASSINFO(wxDialog)));
 385
 386       if (hasSubPanel)
 387           break;
 388     }
 389     if (! hasSubPanel) {
 390       Dimension ys;
 391       XtVaGetValues((Widget) GetMenuBarWidget(), XmNheight, &ys, NULL);
 392       yy -= ys;
 393     }
 394   }
 395  */
 396
 397   *x = xx; *y = yy;
 398 }
 399
 400 // Set the client size (i.e. leave the calculation of borders etc.
 401 // to wxWindows)
 402 void wxFrame::SetClientSize(int width, int height)
 403 {
 404   // Calculate how large the new main window should be
 405   // by finding the difference between the client area and the
 406   // main window area, and adding on to the new client area
 407   if (width > -1)
 408     XtVaSetValues((Widget) m_workArea, XmNwidth, width, NULL);
 409
 410   if (height > -1)
 411   {
 412     if (m_frameStatusBar)
 413     {
 414       int sbw, sbh;
 415       m_frameStatusBar->GetSize(& sbw, & sbh);
 416       height += sbh;
 417     }
 418     if (m_frameToolBar)
 419     {
 420       int tbw, tbh;
 421       m_frameToolBar->GetSize(& tbw, & tbh);
 422       if (m_frameToolBar->GetWindowStyleFlag() & wxTB_VERTICAL)
 423         width += tbw;
 424       else
 425         height += tbh;
 426     }
 427
 428     XtVaSetValues((Widget) m_workArea, XmNheight, height, NULL);
 429   }
 430   PreResize();
 431
 432   wxSizeEvent sizeEvent(wxSize(width, height), GetId());
 433   sizeEvent.SetEventObject(this);
 434
 435   GetEventHandler()->ProcessEvent(sizeEvent);
 436
 437 }
 438
 439 void wxFrame::GetSize(int *width, int *height) const
 440 {
 441   Dimension xx, yy;
 442   XtVaGetValues((Widget) m_frameShell, XmNwidth, &xx, XmNheight, &yy, NULL);
 443   *width = xx; *height = yy;
 444 }
 445
 446 void wxFrame::GetPosition(int *x, int *y) const
 447 {
 448     Window parent_window = XtWindow((Widget) m_frameShell),
 449            next_parent   = XtWindow((Widget) m_frameShell),
 450            root          = RootWindowOfScreen(XtScreen((Widget) m_frameShell));
 451
 452     // search for the parent that is child of ROOT, because the WM may
 453     // reparent twice and notify only the next parent (like FVWM)
 454     while (next_parent != root) {
 455         Window *theChildren; unsigned int n;
 456         parent_window = next_parent;
 457         XQueryTree(XtDisplay((Widget) m_frameShell), parent_window, &root,
 458                    &next_parent, &theChildren, &n);
 459         XFree(theChildren); // not needed
 460     }
 461     int xx, yy; unsigned int dummy;
 462     XGetGeometry(XtDisplay((Widget) m_frameShell), parent_window, &root,
 463                  &xx, &yy, &dummy, &dummy, &dummy, &dummy);
 464     if (x) *x = xx;
 465     if (y) *y = yy;
 466 }
 467
 468 void wxFrame::SetSize(int x, int y, int width, int height, int sizeFlags)
 469 {
 470   if (x > -1)
 471     XtVaSetValues((Widget) m_frameShell, XmNx, x, NULL);
 472   if (y > -1)
 473     XtVaSetValues((Widget) m_frameShell, XmNy, y, NULL);
 474   if (width > -1)
 475     XtVaSetValues((Widget) m_frameWidget, XmNwidth, width, NULL);
 476   if (height > -1)
 477     XtVaSetValues((Widget) m_frameWidget, XmNheight, height, NULL);
 478
 479   if (!(height == -1 && width == -1))
 480   {
 481     PreResize();
 482  /* JACS: not sure if this is necessary
 483     wxSizeEvent sizeEvent(wxSize(width, height), GetId());
 484     sizeEvent.SetEventObject(this);
 485
 486     GetEventHandler()->ProcessEvent(sizeEvent);
 487   */
 488   }
 489 }
 490
 491 bool wxFrame::Show(bool show)
 492 {
 493   if (!m_frameShell)
 494     return wxWindow::Show(show);
 495
 496   m_visibleStatus = show; /* show-&-hide fix */
 497
 498   m_isShown = show;
 499   if (show) {
 500     XtMapWidget((Widget) m_frameShell);
 501     XRaiseWindow(XtDisplay((Widget) m_frameShell), XtWindow((Widget) m_frameShell));
 502   } else {
 503     XtUnmapWidget((Widget) m_frameShell);
 504 //    XmUpdateDisplay(wxTheApp->topLevel); // Experimental: may be responsible for crashes
 505   }
 506   return TRUE;
 507 }
 508
 509 void wxFrame::Iconize(bool iconize)
 510 {
 511   if (!iconize)
 512     Show(TRUE);
 513
 514   if (m_frameShell)
 515     XtVaSetValues((Widget) m_frameShell, XmNiconic, (Boolean)iconize, NULL);
 516 }
 517
 518 // Equivalent to maximize/restore in Windows
 519 void wxFrame::Maximize(bool maximize)
 520 {
 521   Show(TRUE);
 522
 523   if (maximize && m_frameShell)
 524     XtVaSetValues((Widget) m_frameShell, XmNiconic, FALSE, NULL);
 525 }
 526
 527 bool wxFrame::IsIconized() const
 528 {
 529   if (!m_frameShell)
 530     return FALSE;
 531
 532   Boolean iconic;
 533   XtVaGetValues((Widget) m_frameShell, XmNiconic, &iconic, NULL);
 534   return iconic;
 535 }
 536
 537 void wxFrame::SetTitle(const wxString& title)
 538 {
 539   if (title == m_title)
 540     return;
 541
 542   m_title = title;
 543
 544   if (!title.IsNull())
 545     XtVaSetValues((Widget) m_frameShell,
 546                   XmNtitle, (const char*) title,
 547                   XmNiconName, (const char*) title,
 548                   NULL);
 549 }
 550
 551 void wxFrame::SetIcon(const wxIcon& icon)
 552 {
 553   m_icon = icon;
 554
 555   if (!m_frameShell)
 556     return;
 557
 558   if (!icon.Ok() || !icon.GetPixmap())
 559     return;
 560
 561   XtVaSetValues((Widget) m_frameShell, XtNiconPixmap, icon.GetPixmap(), NULL);
 562 }
 563
 564 wxStatusBar *wxFrame::OnCreateStatusBar(int number, long style, wxWindowID id,
 565     const wxString& name)
 566 {
 567     wxStatusBar *statusBar = NULL;
 568
 569     statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20),
 570         style, name);
 571
 572     // Set the height according to the font and the border size
 573     wxClientDC dc(statusBar);
 574     dc.SetFont(* statusBar->GetFont());
 575
 576     long x, y;
 577     dc.GetTextExtent("X", &x, &y);
 578
 579     int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 580
 581     statusBar->SetSize(-1, -1, 100, height);
 582
 583     statusBar->SetFieldsCount(number);
 584     return statusBar;
 585 }
 586
 587 wxStatusBar* wxFrame::CreateStatusBar(int number, long style, wxWindowID id,
 588     const wxString& name)
 589 {
 590   // Calling CreateStatusBar twice is an error.
 591   wxCHECK_MSG( m_frameStatusBar == NULL, FALSE,
 592                "recreating status bar in wxFrame" );
 593
 594   m_frameStatusBar = OnCreateStatusBar(number, style, id,
 595     name);
 596   if ( m_frameStatusBar )
 597   {
 598     PositionStatusBar();
 599     return m_frameStatusBar;
 600   }
 601   else
 602     return NULL;
 603 }
 604
 605 void wxFrame::SetStatusText(const wxString& text, int number)
 606 {
 607   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 608
 609   m_frameStatusBar->SetStatusText(text, number);
 610 }
 611
 612 void wxFrame::SetStatusWidths(int n, const int widths_field[])
 613 {
 614   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 615
 616   m_frameStatusBar->SetStatusWidths(n, widths_field);
 617   PositionStatusBar();
 618 }
 619
 620 void wxFrame::PositionStatusBar()
 621 {
 622     if (!m_frameStatusBar)
 623       return;
 624
 625     int w, h;
 626     GetClientSize(&w, &h);
 627     int sw, sh;
 628     m_frameStatusBar->GetSize(&sw, &sh);
 629
 630     // Since we wish the status bar to be directly under the client area,
 631     // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 632     m_frameStatusBar->SetSize(0, h, w, sh);
 633 }
 634
 635 WXWidget wxFrame::GetMenuBarWidget() const
 636 {
 637   if (GetMenuBar())
 638     return GetMenuBar()->GetMainWidget();
 639   else
 640     return (WXWidget) NULL;
 641 }
 642
 643 void wxFrame::SetMenuBar(wxMenuBar *menuBar)
 644 {
 645     if (!menuBar)
 646     {
 647         m_frameMenuBar = NULL;
 648         return;
 649     }
 650
 651     // Currently can't set it twice
 652 //    wxASSERT_MSG( (m_frameMenuBar == (wxMenuBar*) NULL), "Cannot set the menubar more than once");
 653
 654     if (m_frameMenuBar)
 655     {
 656         m_frameMenuBar->DestroyMenuBar();
 657         delete m_frameMenuBar;
 658     }
 659
 660     m_frameMenuBar = menuBar;
 661     m_frameMenuBar->CreateMenuBar(this);
 662 }
 663
 664 void wxFrame::Fit()
 665 {
 666   // Work out max. size
 667   wxNode *node = GetChildren()->First();
 668   int max_width = 0;
 669   int max_height = 0;
 670   while (node)
 671   {
 672     // Find a child that's a subwindow, but not a dialog box.
 673     wxWindow *win = (wxWindow *)node->Data();
 674
 675     if (!win->IsKindOf(CLASSINFO(wxFrame)) &&
 676          !win->IsKindOf(CLASSINFO(wxDialog)))
 677     {
 678       int width, height;
 679       int x, y;
 680       win->GetSize(&width, &height);
 681       win->GetPosition(&x, &y);
 682
 683       if ((x + width) > max_width)
 684         max_width = x + width;
 685       if ((y + height) > max_height)
 686         max_height = y + height;
 687     }
 688     node = node->Next();
 689   }
 690   SetClientSize(max_width, max_height);
 691 }
 692
 693 // Responds to colour changes, and passes event on to children.
 694 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 695 {
 696     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 697     Refresh();
 698
 699     if ( m_frameStatusBar )
 700     {
 701         wxSysColourChangedEvent event2;
 702         event2.SetEventObject( m_frameStatusBar );
 703         m_frameStatusBar->ProcessEvent(event2);
 704     }
 705
 706     // Propagate the event to the non-top-level children
 707     wxWindow::OnSysColourChanged(event);
 708 }
 709
 710 // Default resizing behaviour - if only ONE subwindow,
 711 // resize to client rectangle size
 712 void wxFrame::OnSize(wxSizeEvent& event)
 713 {
 714   // if we're using constraints - do use them
 715   #if wxUSE_CONSTRAINTS
 716     if ( GetAutoLayout() ) {
 717       Layout();
 718       return;
 719     }
 720   #endif
 721
 722   // do we have _exactly_ one child?
 723   wxWindow *child = NULL;
 724   for ( wxNode *node = GetChildren()->First(); node; node = node->Next() )
 725   {
 726     wxWindow *win = (wxWindow *)node->Data();
 727     if ( !win->IsKindOf(CLASSINFO(wxFrame))  &&
 728          !win->IsKindOf(CLASSINFO(wxDialog)) &&
 729          (win != GetStatusBar()) &&
 730          (win != GetToolBar()) )
 731     {
 732       if ( child )
 733         return;     // it's our second subwindow - nothing to do
 734       child = win;
 735     }
 736   }
 737
 738   if ( child ) {
 739     // we have exactly one child - set it's size to fill the whole frame
 740     int clientW, clientH;
 741     GetClientSize(&clientW, &clientH);
 742
 743     int x = 0;
 744     int y = 0;
 745
 746     child->SetSize(x, y, clientW, clientH);
 747   }
 748 }
 749
 750 // Default activation behaviour - set the focus for the first child
 751 // subwindow found.
 752 void wxFrame::OnActivate(wxActivateEvent& event)
 753 {
 754   for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 755   {
 756     // Find a child that's a subwindow, but not a dialog box.
 757     wxWindow *child = (wxWindow *)node->Data();
 758     if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
 759          !child->IsKindOf(CLASSINFO(wxDialog)))
 760     {
 761       child->SetFocus();
 762       return;
 763     }
 764   }
 765 }
 766
 767 // The default implementation for the close window event - calls
 768 // OnClose for backward compatibility.
 769
 770 void wxFrame::OnCloseWindow(wxCloseEvent& event)
 771 {
 772     // Compatibility
 773     if ( GetEventHandler()->OnClose() || event.GetForce())
 774     {
 775         this->Destroy();
 776     }
 777 }
 778
 779 bool wxFrame::OnClose()
 780 {
 781     return TRUE;
 782 }
 783
 784 // Destroy the window (delayed, if a managed window)
 785 bool wxFrame::Destroy()
 786 {
 787   if (!wxPendingDelete.Member(this))
 788     wxPendingDelete.Append(this);
 789   return TRUE;
 790 }
 791
 792 // Default menu selection behaviour - display a help string
 793 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 794 {
 795   if (GetStatusBar())
 796   {
 797     if (event.GetMenuId() == -1)
 798       SetStatusText("");
 799     else
 800     {
 801       wxMenuBar *menuBar = GetMenuBar();
 802       if (menuBar)
 803       {
 804         wxString helpString(menuBar->GetHelpString(event.GetMenuId()));
 805         if (helpString != "")
 806           SetStatusText(helpString);
 807       }
 808     }
 809   }
 810 }
 811
 812 wxMenuBar *wxFrame::GetMenuBar() const
 813 {
 814   return m_frameMenuBar;
 815 }
 816
 817 void wxFrame::Centre(int direction)
 818 {
 819   int display_width, display_height, width, height, x, y;
 820   wxDisplaySize(&display_width, &display_height);
 821
 822   GetSize(&width, &height);
 823   GetPosition(&x, &y);
 824
 825   if (direction & wxHORIZONTAL)
 826     x = (int)((display_width - width)/2);
 827   if (direction & wxVERTICAL)
 828     y = (int)((display_height - height)/2);
 829
 830   SetSize(x, y, width, height);
 831 }
 832
 833 // Call this to simulate a menu command
 834 void wxFrame::Command(int id)
 835 {
 836   ProcessCommand(id);
 837 }
 838
 839 void wxFrame::ProcessCommand(int id)
 840 {
 841   wxCommandEvent commandEvent(wxEVENT_TYPE_MENU_COMMAND, id);
 842   commandEvent.SetInt( id );
 843   commandEvent.SetEventObject( this );
 844
 845   wxMenuBar *bar = GetMenuBar() ;
 846   if (!bar)
 847     return;
 848
 849 /* TODO: check the menu item if required
 850   wxMenuItem *item = bar->FindItemForId(id) ;
 851   if (item && item->IsCheckable())
 852   {
 853     bar->Check(id,!bar->Checked(id)) ;
 854   }
 855 */
 856
 857   GetEventHandler()->ProcessEvent(commandEvent);
 858 }
 859
 860 // Checks if there is a toolbar, and returns the first free client position
 861 wxPoint wxFrame::GetClientAreaOrigin() const
 862 {
 863     wxPoint pt(0, 0);
 864     if (GetToolBar())
 865     {
 866         int w, h;
 867         GetToolBar()->GetSize(& w, & h);
 868
 869         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 870         {
 871             pt.x += w;
 872         }
 873         else
 874         {
 875             pt.y += h;
 876         }
 877     }
 878     return pt;
 879 }
 880
 881 void wxFrame::ScreenToClient(int *x, int *y) const
 882 {
 883     wxWindow::ScreenToClient(x, y);
 884
 885     // We may be faking the client origin.
 886     // So a window that's really at (0, 30) may appear
 887     // (to wxWin apps) to be at (0, 0).
 888     wxPoint pt(GetClientAreaOrigin());
 889     *x -= pt.x;
 890     *y -= pt.y;
 891 }
 892
 893 void wxFrame::ClientToScreen(int *x, int *y) const
 894 {
 895     // We may be faking the client origin.
 896     // So a window that's really at (0, 30) may appear
 897     // (to wxWin apps) to be at (0, 0).
 898     wxPoint pt1(GetClientAreaOrigin());
 899     *x += pt1.x;
 900     *y += pt1.y;
 901
 902     wxWindow::ClientToScreen(x, y);
 903 }
 904
 905 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 906 {
 907     wxCHECK_MSG( m_frameToolBar == NULL, FALSE,
 908                "recreating toolbar in wxFrame" );
 909
 910     wxToolBar* toolBar = OnCreateToolBar(style, id, name);
 911     if (toolBar)
 912     {
 913         SetToolBar(toolBar);
 914         PositionToolBar();
 915         return toolBar;
 916     }
 917     else
 918     {
 919         return NULL;
 920     }
 921 }
 922
 923 wxToolBar* wxFrame::OnCreateToolBar(long style, wxWindowID id, const wxString& name)
 924 {
 925     return new wxToolBar(this, id, wxPoint(0, 0), wxSize(100, 24), style, name);
 926 }
 927
 928 void wxFrame::PositionToolBar()
 929 {
 930     int cw, ch;
 931
 932     GetClientSize(& cw, &ch);
 933
 934     if (GetToolBar())
 935     {
 936         int tw, th;
 937         GetToolBar()->GetSize(& tw, & th);
 938
 939         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 940         {
 941             // Use the 'real' position. wxSIZE_NO_ADJUSTMENTS
 942             // means, pretend we don't have toolbar/status bar, so we
 943             // have the original client size.
 944             GetToolBar()->SetSize(0, 0, tw, ch + th, wxSIZE_NO_ADJUSTMENTS);
 945         }
 946         else
 947         {
 948             // Use the 'real' position
 949             GetToolBar()->SetSize(0, 0, cw, th, wxSIZE_NO_ADJUSTMENTS);
 950         }
 951     }
 952 }
 953
 954 void wxFrame::CaptureMouse()
 955 {
 956   if (m_winCaptured)
 957     return;
 958
 959   if (GetMainWidget())
 960     XtAddGrab((Widget) m_frameShell, TRUE, FALSE);
 961   m_winCaptured = TRUE;
 962 }
 963
 964 void wxFrame::ReleaseMouse()
 965 {
 966   if (!m_winCaptured)
 967     return;
 968
 969   if (GetMainWidget())
 970     XtRemoveGrab((Widget) m_frameShell);
 971   m_winCaptured = FALSE;
 972 }
 973
 974 void wxFrame::Raise(void)
 975 {
 976     Window parent_window = XtWindow((Widget) m_frameShell),
 977            next_parent   = XtWindow((Widget) m_frameShell),
 978            root          = RootWindowOfScreen(XtScreen((Widget) m_frameShell));
 979     // search for the parent that is child of ROOT, because the WM may
 980     // reparent twice and notify only the next parent (like FVWM)
 981     while (next_parent != root) {
 982         Window *theChildren; unsigned int n;
 983         parent_window = next_parent;
 984         XQueryTree(XtDisplay((Widget) m_frameShell), parent_window, &root,
 985                    &next_parent, &theChildren, &n);
 986         XFree(theChildren); // not needed
 987     }
 988     XRaiseWindow(XtDisplay((Widget) m_frameShell), parent_window);
 989 }
 990
 991 void wxFrame::Lower(void)
 992 {
 993     Window parent_window = XtWindow((Widget) m_frameShell),
 994            next_parent   = XtWindow((Widget) m_frameShell),
 995            root          = RootWindowOfScreen(XtScreen((Widget) m_frameShell));
 996     // search for the parent that is child of ROOT, because the WM may
 997     // reparent twice and notify only the next parent (like FVWM)
 998     while (next_parent != root) {
 999         Window *theChildren; unsigned int n;
1000         parent_window = next_parent;
1001         XQueryTree(XtDisplay((Widget) m_frameShell), parent_window, &root,
1002                    &next_parent, &theChildren, &n);
1003         XFree(theChildren); // not needed
1004     }
1005     XLowerWindow(XtDisplay((Widget) m_frameShell), parent_window);
1006 }
1007
1008 void wxFrame::SetToolBar(wxToolBar *toolbar)
1009 { m_frameToolBar = toolbar; }
1010
1011 wxToolBar *wxFrame::GetToolBar() const
1012 { return m_frameToolBar; }
1013
1014 void wxFrameFocusProc(Widget workArea, XtPointer clientData,
1015                       XmAnyCallbackStruct *cbs)
1016 {
1017   wxFrame *frame = (wxFrame *)clientData;
1018
1019   // wxDebugMsg("focus proc from frame %ld\n",(long)frame);
1020   // TODO
1021   //  frame->GetEventHandler()->OnSetFocus();
1022 }
1023
1024 /* MATTEW: Used to insure that hide-&-show within an event cycle works */
1025 static void wxFrameMapProc(Widget frameShell, XtPointer clientData,
1026                            XCrossingEvent * event)
1027 {
1028   wxFrame *frame = (wxFrame *)wxWidgetHashTable->Get((long)clientData);
1029
1030   if (frame) {
1031     XEvent *e = (XEvent *)event;
1032
1033     if (e->xany.type == MapNotify)
1034     {
1035       // Iconize fix
1036       XtVaSetValues(frameShell, XmNiconic, (Boolean)False, NULL);
1037       if (!frame->GetVisibleStatus())
1038       {
1039         /* We really wanted this to be hidden! */
1040         XtUnmapWidget((Widget) frame->GetShellWidget());
1041       }
1042     }
1043     else if (e->xany.type == UnmapNotify)
1044       // Iconize fix
1045       XtVaSetValues(frameShell, XmNiconic, (Boolean)True, NULL);
1046   }
1047 }
1048
1049 //// Motif-specific
1050 bool wxFrame::PreResize()
1051 {
1052   PositionToolBar();
1053   PositionStatusBar();
1054   return TRUE;
1055 }
1056
1057 WXWidget wxFrame::GetClientWidget() const
1058 {
1059   return m_clientArea;
1060 }
1061
1062 void wxFrame::ChangeFont(bool keepOriginalSize)
1063 {
1064     // TODO
1065 }
1066
1067 void wxFrame::ChangeBackgroundColour()
1068 {
1069     if (GetClientWidget())
1070         DoChangeBackgroundColour(GetClientWidget(), m_backgroundColour);
1071 }
1072
1073 void wxFrame::ChangeForegroundColour()
1074 {
1075     if (GetClientWidget())
1076         DoChangeForegroundColour(GetClientWidget(), m_foregroundColour);
1077 }
1078
1079 void wxCloseFrameCallback(Widget widget, XtPointer client_data, XmAnyCallbackStruct *cbs)
1080 {
1081   wxFrame *frame = (wxFrame *)client_data;
1082
1083   wxCloseEvent closeEvent(wxEVT_CLOSE_WINDOW, frame->GetId());
1084   closeEvent.SetEventObject(frame);
1085
1086   // May delete the frame (with delayed deletion)
1087   frame->GetEventHandler()->ProcessEvent(closeEvent);
1088 }
1089