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 // Is it maximized?
 538 bool wxFrame::IsMaximized(void) const
 539 {
 540     // No maximizing in Motif (?)
 541     return FALSE;
 542 }
 543
 544 void wxFrame::SetTitle(const wxString& title)
 545 {
 546   if (title == m_title)
 547     return;
 548
 549   m_title = title;
 550
 551   if (!title.IsNull())
 552     XtVaSetValues((Widget) m_frameShell,
 553                   XmNtitle, (const char*) title,
 554                   XmNiconName, (const char*) title,
 555                   NULL);
 556 }
 557
 558 void wxFrame::SetIcon(const wxIcon& icon)
 559 {
 560   m_icon = icon;
 561
 562   if (!m_frameShell)
 563     return;
 564
 565   if (!icon.Ok() || !icon.GetPixmap())
 566     return;
 567
 568   XtVaSetValues((Widget) m_frameShell, XtNiconPixmap, icon.GetPixmap(), NULL);
 569 }
 570
 571 wxStatusBar *wxFrame::OnCreateStatusBar(int number, long style, wxWindowID id,
 572     const wxString& name)
 573 {
 574     wxStatusBar *statusBar = NULL;
 575
 576     statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20),
 577         style, name);
 578
 579     // Set the height according to the font and the border size
 580     wxClientDC dc(statusBar);
 581     dc.SetFont(statusBar->GetFont());
 582
 583     long x, y;
 584     dc.GetTextExtent("X", &x, &y);
 585
 586     int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 587
 588     statusBar->SetSize(-1, -1, 100, height);
 589
 590     statusBar->SetFieldsCount(number);
 591     return statusBar;
 592 }
 593
 594 wxStatusBar* wxFrame::CreateStatusBar(int number, long style, wxWindowID id,
 595     const wxString& name)
 596 {
 597   // Calling CreateStatusBar twice is an error.
 598   wxCHECK_MSG( m_frameStatusBar == NULL, FALSE,
 599                "recreating status bar in wxFrame" );
 600
 601   m_frameStatusBar = OnCreateStatusBar(number, style, id,
 602     name);
 603   if ( m_frameStatusBar )
 604   {
 605     PositionStatusBar();
 606     return m_frameStatusBar;
 607   }
 608   else
 609     return NULL;
 610 }
 611
 612 void wxFrame::SetStatusText(const wxString& text, int number)
 613 {
 614   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 615
 616   m_frameStatusBar->SetStatusText(text, number);
 617 }
 618
 619 void wxFrame::SetStatusWidths(int n, const int widths_field[])
 620 {
 621   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 622
 623   m_frameStatusBar->SetStatusWidths(n, widths_field);
 624   PositionStatusBar();
 625 }
 626
 627 void wxFrame::PositionStatusBar()
 628 {
 629     if (!m_frameStatusBar)
 630       return;
 631
 632     int w, h;
 633     GetClientSize(&w, &h);
 634     int sw, sh;
 635     m_frameStatusBar->GetSize(&sw, &sh);
 636
 637     // Since we wish the status bar to be directly under the client area,
 638     // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 639     m_frameStatusBar->SetSize(0, h, w, sh);
 640 }
 641
 642 WXWidget wxFrame::GetMenuBarWidget() const
 643 {
 644   if (GetMenuBar())
 645     return GetMenuBar()->GetMainWidget();
 646   else
 647     return (WXWidget) NULL;
 648 }
 649
 650 void wxFrame::SetMenuBar(wxMenuBar *menuBar)
 651 {
 652     if (!menuBar)
 653     {
 654         m_frameMenuBar = NULL;
 655         return;
 656     }
 657
 658     // Currently can't set it twice
 659 //    wxASSERT_MSG( (m_frameMenuBar == (wxMenuBar*) NULL), "Cannot set the menubar more than once");
 660
 661     if (m_frameMenuBar)
 662     {
 663         m_frameMenuBar->DestroyMenuBar();
 664         delete m_frameMenuBar;
 665     }
 666
 667     m_frameMenuBar = menuBar;
 668     m_frameMenuBar->CreateMenuBar(this);
 669 }
 670
 671 void wxFrame::Fit()
 672 {
 673   // Work out max. size
 674   wxNode *node = GetChildren().First();
 675   int max_width = 0;
 676   int max_height = 0;
 677   while (node)
 678   {
 679     // Find a child that's a subwindow, but not a dialog box.
 680     wxWindow *win = (wxWindow *)node->Data();
 681
 682     if (!win->IsKindOf(CLASSINFO(wxFrame)) &&
 683          !win->IsKindOf(CLASSINFO(wxDialog)))
 684     {
 685       int width, height;
 686       int x, y;
 687       win->GetSize(&width, &height);
 688       win->GetPosition(&x, &y);
 689
 690       if ((x + width) > max_width)
 691         max_width = x + width;
 692       if ((y + height) > max_height)
 693         max_height = y + height;
 694     }
 695     node = node->Next();
 696   }
 697   SetClientSize(max_width, max_height);
 698 }
 699
 700 // Responds to colour changes, and passes event on to children.
 701 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 702 {
 703     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 704     Refresh();
 705
 706     if ( m_frameStatusBar )
 707     {
 708         wxSysColourChangedEvent event2;
 709         event2.SetEventObject( m_frameStatusBar );
 710         m_frameStatusBar->ProcessEvent(event2);
 711     }
 712
 713     // Propagate the event to the non-top-level children
 714     wxWindow::OnSysColourChanged(event);
 715 }
 716
 717 // Default resizing behaviour - if only ONE subwindow,
 718 // resize to client rectangle size
 719 void wxFrame::OnSize(wxSizeEvent& event)
 720 {
 721   // if we're using constraints - do use them
 722   #if wxUSE_CONSTRAINTS
 723     if ( GetAutoLayout() ) {
 724       Layout();
 725       return;
 726     }
 727   #endif
 728
 729   // do we have _exactly_ one child?
 730   wxWindow *child = NULL;
 731   for ( wxNode *node = GetChildren().First(); node; node = node->Next() )
 732   {
 733     wxWindow *win = (wxWindow *)node->Data();
 734     if ( !win->IsKindOf(CLASSINFO(wxFrame))  &&
 735          !win->IsKindOf(CLASSINFO(wxDialog)) &&
 736          (win != GetStatusBar()) &&
 737          (win != GetToolBar()) )
 738     {
 739       if ( child )
 740         return;     // it's our second subwindow - nothing to do
 741       child = win;
 742     }
 743   }
 744
 745   if ( child ) {
 746     // we have exactly one child - set it's size to fill the whole frame
 747     int clientW, clientH;
 748     GetClientSize(&clientW, &clientH);
 749
 750     int x = 0;
 751     int y = 0;
 752
 753     child->SetSize(x, y, clientW, clientH);
 754   }
 755 }
 756
 757 // Default activation behaviour - set the focus for the first child
 758 // subwindow found.
 759 void wxFrame::OnActivate(wxActivateEvent& event)
 760 {
 761   for(wxNode *node = GetChildren().First(); node; node = node->Next())
 762   {
 763     // Find a child that's a subwindow, but not a dialog box.
 764     wxWindow *child = (wxWindow *)node->Data();
 765     if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
 766          !child->IsKindOf(CLASSINFO(wxDialog)))
 767     {
 768       child->SetFocus();
 769       return;
 770     }
 771   }
 772 }
 773
 774 // The default implementation for the close window event - calls
 775 // OnClose for backward compatibility.
 776
 777 void wxFrame::OnCloseWindow(wxCloseEvent& event)
 778 {
 779     // Compatibility
 780     if ( GetEventHandler()->OnClose() || event.GetForce())
 781     {
 782         this->Destroy();
 783     }
 784 }
 785
 786 bool wxFrame::OnClose()
 787 {
 788     return TRUE;
 789 }
 790
 791 // Destroy the window (delayed, if a managed window)
 792 bool wxFrame::Destroy()
 793 {
 794   if (!wxPendingDelete.Member(this))
 795     wxPendingDelete.Append(this);
 796   return TRUE;
 797 }
 798
 799 // Default menu selection behaviour - display a help string
 800 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 801 {
 802   if (GetStatusBar())
 803   {
 804     if (event.GetMenuId() == -1)
 805       SetStatusText("");
 806     else
 807     {
 808       wxMenuBar *menuBar = GetMenuBar();
 809       if (menuBar)
 810       {
 811         wxString helpString(menuBar->GetHelpString(event.GetMenuId()));
 812         if (helpString != "")
 813           SetStatusText(helpString);
 814       }
 815     }
 816   }
 817 }
 818
 819 wxMenuBar *wxFrame::GetMenuBar() const
 820 {
 821   return m_frameMenuBar;
 822 }
 823
 824 void wxFrame::Centre(int direction)
 825 {
 826   int display_width, display_height, width, height, x, y;
 827   wxDisplaySize(&display_width, &display_height);
 828
 829   GetSize(&width, &height);
 830   GetPosition(&x, &y);
 831
 832   if (direction & wxHORIZONTAL)
 833     x = (int)((display_width - width)/2);
 834   if (direction & wxVERTICAL)
 835     y = (int)((display_height - height)/2);
 836
 837   SetSize(x, y, width, height);
 838 }
 839
 840 // Call this to simulate a menu command
 841 void wxFrame::Command(int id)
 842 {
 843   ProcessCommand(id);
 844 }
 845
 846 void wxFrame::ProcessCommand(int id)
 847 {
 848   wxCommandEvent commandEvent(wxEVENT_TYPE_MENU_COMMAND, id);
 849   commandEvent.SetInt( id );
 850   commandEvent.SetEventObject( this );
 851
 852   wxMenuBar *bar = GetMenuBar() ;
 853   if (!bar)
 854     return;
 855
 856 /* TODO: check the menu item if required
 857   wxMenuItem *item = bar->FindItemForId(id) ;
 858   if (item && item->IsCheckable())
 859   {
 860     bar->Check(id,!bar->Checked(id)) ;
 861   }
 862 */
 863
 864   GetEventHandler()->ProcessEvent(commandEvent);
 865 }
 866
 867 // Checks if there is a toolbar, and returns the first free client position
 868 wxPoint wxFrame::GetClientAreaOrigin() const
 869 {
 870     wxPoint pt(0, 0);
 871     if (GetToolBar())
 872     {
 873         int w, h;
 874         GetToolBar()->GetSize(& w, & h);
 875
 876         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 877         {
 878             pt.x += w;
 879         }
 880         else
 881         {
 882             pt.y += h;
 883         }
 884     }
 885     return pt;
 886 }
 887
 888 void wxFrame::ScreenToClient(int *x, int *y) const
 889 {
 890     wxWindow::ScreenToClient(x, y);
 891
 892     // We may be faking the client origin.
 893     // So a window that's really at (0, 30) may appear
 894     // (to wxWin apps) to be at (0, 0).
 895     wxPoint pt(GetClientAreaOrigin());
 896     *x -= pt.x;
 897     *y -= pt.y;
 898 }
 899
 900 void wxFrame::ClientToScreen(int *x, int *y) const
 901 {
 902     // We may be faking the client origin.
 903     // So a window that's really at (0, 30) may appear
 904     // (to wxWin apps) to be at (0, 0).
 905     wxPoint pt1(GetClientAreaOrigin());
 906     *x += pt1.x;
 907     *y += pt1.y;
 908
 909     wxWindow::ClientToScreen(x, y);
 910 }
 911
 912 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 913 {
 914     wxCHECK_MSG( m_frameToolBar == NULL, FALSE,
 915                "recreating toolbar in wxFrame" );
 916
 917     wxToolBar* toolBar = OnCreateToolBar(style, id, name);
 918     if (toolBar)
 919     {
 920         SetToolBar(toolBar);
 921         PositionToolBar();
 922         return toolBar;
 923     }
 924     else
 925     {
 926         return NULL;
 927     }
 928 }
 929
 930 wxToolBar* wxFrame::OnCreateToolBar(long style, wxWindowID id, const wxString& name)
 931 {
 932     return new wxToolBar(this, id, wxPoint(0, 0), wxSize(100, 24), style, name);
 933 }
 934
 935 void wxFrame::PositionToolBar()
 936 {
 937     int cw, ch;
 938
 939     GetClientSize(& cw, &ch);
 940
 941     if (GetToolBar())
 942     {
 943         int tw, th;
 944         GetToolBar()->GetSize(& tw, & th);
 945
 946         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 947         {
 948             // Use the 'real' position. wxSIZE_NO_ADJUSTMENTS
 949             // means, pretend we don't have toolbar/status bar, so we
 950             // have the original client size.
 951             GetToolBar()->SetSize(0, 0, tw, ch + th, wxSIZE_NO_ADJUSTMENTS);
 952         }
 953         else
 954         {
 955             // Use the 'real' position
 956             GetToolBar()->SetSize(0, 0, cw, th, wxSIZE_NO_ADJUSTMENTS);
 957         }
 958     }
 959 }
 960
 961 void wxFrame::CaptureMouse()
 962 {
 963   if (m_winCaptured)
 964     return;
 965
 966   if (GetMainWidget())
 967     XtAddGrab((Widget) m_frameShell, TRUE, FALSE);
 968   m_winCaptured = TRUE;
 969 }
 970
 971 void wxFrame::ReleaseMouse()
 972 {
 973   if (!m_winCaptured)
 974     return;
 975
 976   if (GetMainWidget())
 977     XtRemoveGrab((Widget) m_frameShell);
 978   m_winCaptured = FALSE;
 979 }
 980
 981 void wxFrame::Raise(void)
 982 {
 983     Window parent_window = XtWindow((Widget) m_frameShell),
 984            next_parent   = XtWindow((Widget) m_frameShell),
 985            root          = RootWindowOfScreen(XtScreen((Widget) m_frameShell));
 986     // search for the parent that is child of ROOT, because the WM may
 987     // reparent twice and notify only the next parent (like FVWM)
 988     while (next_parent != root) {
 989         Window *theChildren; unsigned int n;
 990         parent_window = next_parent;
 991         XQueryTree(XtDisplay((Widget) m_frameShell), parent_window, &root,
 992                    &next_parent, &theChildren, &n);
 993         XFree(theChildren); // not needed
 994     }
 995     XRaiseWindow(XtDisplay((Widget) m_frameShell), parent_window);
 996 }
 997
 998 void wxFrame::Lower(void)
 999 {
1000     Window parent_window = XtWindow((Widget) m_frameShell),
1001            next_parent   = XtWindow((Widget) m_frameShell),
1002            root          = RootWindowOfScreen(XtScreen((Widget) m_frameShell));
1003     // search for the parent that is child of ROOT, because the WM may
1004     // reparent twice and notify only the next parent (like FVWM)
1005     while (next_parent != root) {
1006         Window *theChildren; unsigned int n;
1007         parent_window = next_parent;
1008         XQueryTree(XtDisplay((Widget) m_frameShell), parent_window, &root,
1009                    &next_parent, &theChildren, &n);
1010         XFree(theChildren); // not needed
1011     }
1012     XLowerWindow(XtDisplay((Widget) m_frameShell), parent_window);
1013 }
1014
1015 void wxFrame::SetToolBar(wxToolBar *toolbar)
1016 { m_frameToolBar = toolbar; }
1017
1018 wxToolBar *wxFrame::GetToolBar() const
1019 { return m_frameToolBar; }
1020
1021 void wxFrameFocusProc(Widget workArea, XtPointer clientData,
1022                       XmAnyCallbackStruct *cbs)
1023 {
1024   wxFrame *frame = (wxFrame *)clientData;
1025
1026   // wxDebugMsg("focus proc from frame %ld\n",(long)frame);
1027   // TODO
1028   //  frame->GetEventHandler()->OnSetFocus();
1029 }
1030
1031 /* MATTEW: Used to insure that hide-&-show within an event cycle works */
1032 static void wxFrameMapProc(Widget frameShell, XtPointer clientData,
1033                            XCrossingEvent * event)
1034 {
1035   wxFrame *frame = (wxFrame *)wxWidgetHashTable->Get((long)clientData);
1036
1037   if (frame) {
1038     XEvent *e = (XEvent *)event;
1039
1040     if (e->xany.type == MapNotify)
1041     {
1042       // Iconize fix
1043       XtVaSetValues(frameShell, XmNiconic, (Boolean)False, NULL);
1044       if (!frame->GetVisibleStatus())
1045       {
1046         /* We really wanted this to be hidden! */
1047         XtUnmapWidget((Widget) frame->GetShellWidget());
1048       }
1049     }
1050     else if (e->xany.type == UnmapNotify)
1051       // Iconize fix
1052       XtVaSetValues(frameShell, XmNiconic, (Boolean)True, NULL);
1053   }
1054 }
1055
1056 //// Motif-specific
1057 bool wxFrame::PreResize()
1058 {
1059   PositionToolBar();
1060   PositionStatusBar();
1061   return TRUE;
1062 }
1063
1064 WXWidget wxFrame::GetClientWidget() const
1065 {
1066   return m_clientArea;
1067 }
1068
1069 void wxFrame::ChangeFont(bool keepOriginalSize)
1070 {
1071     // TODO
1072 }
1073
1074 void wxFrame::ChangeBackgroundColour()
1075 {
1076     if (GetClientWidget())
1077         DoChangeBackgroundColour(GetClientWidget(), m_backgroundColour);
1078 }
1079
1080 void wxFrame::ChangeForegroundColour()
1081 {
1082     if (GetClientWidget())
1083         DoChangeForegroundColour(GetClientWidget(), m_foregroundColour);
1084 }
1085
1086 void wxCloseFrameCallback(Widget widget, XtPointer client_data, XmAnyCallbackStruct *cbs)
1087 {
1088   wxFrame *frame = (wxFrame *)client_data;
1089
1090   wxCloseEvent closeEvent(wxEVT_CLOSE_WINDOW, frame->GetId());
1091   closeEvent.SetEventObject(frame);
1092
1093   // May delete the frame (with delayed deletion)
1094   frame->GetEventHandler()->ProcessEvent(closeEvent);
1095 }
1096