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     wxSizeEvent sizeEvent(wxSize(width, height), GetId());
 483     sizeEvent.SetEventObject(this);
 484
 485     GetEventHandler()->ProcessEvent(sizeEvent);
 486   }
 487 }
 488
 489 bool wxFrame::Show(bool show)
 490 {
 491   if (!m_frameShell)
 492     return wxWindow::Show(show);
 493
 494   m_visibleStatus = show; /* show-&-hide fix */
 495
 496   m_isShown = show;
 497   if (show) {
 498     XtMapWidget((Widget) m_frameShell);
 499     XRaiseWindow(XtDisplay((Widget) m_frameShell), XtWindow((Widget) m_frameShell));
 500   } else {
 501     XtUnmapWidget((Widget) m_frameShell);
 502 //    XmUpdateDisplay(wxTheApp->topLevel); // Experimental: may be responsible for crashes
 503   }
 504   return TRUE;
 505 }
 506
 507 void wxFrame::Iconize(bool iconize)
 508 {
 509   if (!iconize)
 510     Show(TRUE);
 511
 512   if (m_frameShell)
 513     XtVaSetValues((Widget) m_frameShell, XmNiconic, (Boolean)iconize, NULL);
 514 }
 515
 516 // Equivalent to maximize/restore in Windows
 517 void wxFrame::Maximize(bool maximize)
 518 {
 519   Show(TRUE);
 520
 521   if (maximize && m_frameShell)
 522     XtVaSetValues((Widget) m_frameShell, XmNiconic, FALSE, NULL);
 523 }
 524
 525 bool wxFrame::IsIconized() const
 526 {
 527   if (!m_frameShell)
 528     return FALSE;
 529
 530   Boolean iconic;
 531   XtVaGetValues((Widget) m_frameShell, XmNiconic, &iconic, NULL);
 532   return iconic;
 533 }
 534
 535 void wxFrame::SetTitle(const wxString& title)
 536 {
 537   if (title == m_title)
 538     return;
 539
 540   m_title = title;
 541
 542   if (!title.IsNull())
 543     XtVaSetValues((Widget) m_frameShell,
 544                   XmNtitle, (const char*) title,
 545                   XmNiconName, (const char*) title,
 546                   NULL);
 547 }
 548
 549 void wxFrame::SetIcon(const wxIcon& icon)
 550 {
 551   m_icon = icon;
 552
 553   if (!m_frameShell)
 554     return;
 555
 556   // TODO
 557   /*
 558   if (!icon.Ok() || !icon.GetPixmap())
 559     return;
 560
 561   XtVaSetValues((Widget) m_frameShell, XtNiconPixmap, icon->.GetPixmap(), NULL);
 562   */
 563 }
 564
 565 wxStatusBar *wxFrame::OnCreateStatusBar(int number, long style, wxWindowID id,
 566     const wxString& name)
 567 {
 568     wxStatusBar *statusBar = NULL;
 569
 570     statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20),
 571         style, name);
 572
 573     // Set the height according to the font and the border size
 574     wxClientDC dc(statusBar);
 575     dc.SetFont(* statusBar->GetFont());
 576
 577     long x, y;
 578     dc.GetTextExtent("X", &x, &y);
 579
 580     int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 581
 582     statusBar->SetSize(-1, -1, 100, height);
 583
 584     statusBar->SetFieldsCount(number);
 585     return statusBar;
 586 }
 587
 588 wxStatusBar* wxFrame::CreateStatusBar(int number, long style, wxWindowID id,
 589     const wxString& name)
 590 {
 591   // Calling CreateStatusBar twice is an error.
 592   wxCHECK_MSG( m_frameStatusBar == NULL, FALSE,
 593                "recreating status bar in wxFrame" );
 594
 595   m_frameStatusBar = OnCreateStatusBar(number, style, id,
 596     name);
 597   if ( m_frameStatusBar )
 598   {
 599     PositionStatusBar();
 600     return m_frameStatusBar;
 601   }
 602   else
 603     return NULL;
 604 }
 605
 606 void wxFrame::SetStatusText(const wxString& text, int number)
 607 {
 608   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 609
 610   m_frameStatusBar->SetStatusText(text, number);
 611 }
 612
 613 void wxFrame::SetStatusWidths(int n, const int widths_field[])
 614 {
 615   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 616
 617   m_frameStatusBar->SetStatusWidths(n, widths_field);
 618   PositionStatusBar();
 619 }
 620
 621 void wxFrame::PositionStatusBar()
 622 {
 623     if (!m_frameStatusBar)
 624       return;
 625
 626     int w, h;
 627     GetClientSize(&w, &h);
 628     int sw, sh;
 629     m_frameStatusBar->GetSize(&sw, &sh);
 630
 631     // Since we wish the status bar to be directly under the client area,
 632     // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 633     m_frameStatusBar->SetSize(0, h, w, sh);
 634 }
 635
 636 WXWidget wxFrame::GetMenuBarWidget() const
 637 {
 638   if (GetMenuBar())
 639     return GetMenuBar()->GetMainWidget();
 640   else
 641     return (WXWidget) NULL;
 642 }
 643
 644 void wxFrame::SetMenuBar(wxMenuBar *menuBar)
 645 {
 646     if (!menuBar)
 647     {
 648         m_frameMenuBar = NULL;
 649         return;
 650     }
 651
 652     // Currently can't set it twice
 653 //    wxASSERT_MSG( (m_frameMenuBar == (wxMenuBar*) NULL), "Cannot set the menubar more than once");
 654
 655     if (m_frameMenuBar)
 656     {
 657         m_frameMenuBar->DestroyMenuBar();
 658         delete m_frameMenuBar;
 659     }
 660
 661     m_frameMenuBar = menuBar;
 662     m_frameMenuBar->CreateMenuBar(this);
 663 }
 664
 665 void wxFrame::Fit()
 666 {
 667   // Work out max. size
 668   wxNode *node = GetChildren()->First();
 669   int max_width = 0;
 670   int max_height = 0;
 671   while (node)
 672   {
 673     // Find a child that's a subwindow, but not a dialog box.
 674     wxWindow *win = (wxWindow *)node->Data();
 675
 676     if (!win->IsKindOf(CLASSINFO(wxFrame)) &&
 677          !win->IsKindOf(CLASSINFO(wxDialog)))
 678     {
 679       int width, height;
 680       int x, y;
 681       win->GetSize(&width, &height);
 682       win->GetPosition(&x, &y);
 683
 684       if ((x + width) > max_width)
 685         max_width = x + width;
 686       if ((y + height) > max_height)
 687         max_height = y + height;
 688     }
 689     node = node->Next();
 690   }
 691   SetClientSize(max_width, max_height);
 692 }
 693
 694 // Responds to colour changes, and passes event on to children.
 695 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 696 {
 697     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 698     Refresh();
 699
 700     if ( m_frameStatusBar )
 701     {
 702         wxSysColourChangedEvent event2;
 703         event2.SetEventObject( m_frameStatusBar );
 704         m_frameStatusBar->ProcessEvent(event2);
 705     }
 706
 707     // Propagate the event to the non-top-level children
 708     wxWindow::OnSysColourChanged(event);
 709 }
 710
 711 // Default resizing behaviour - if only ONE subwindow,
 712 // resize to client rectangle size
 713 void wxFrame::OnSize(wxSizeEvent& event)
 714 {
 715   // if we're using constraints - do use them
 716   #if wxUSE_CONSTRAINTS
 717     if ( GetAutoLayout() ) {
 718       Layout();
 719       return;
 720     }
 721   #endif
 722
 723   // do we have _exactly_ one child?
 724   wxWindow *child = NULL;
 725   for ( wxNode *node = GetChildren()->First(); node; node = node->Next() )
 726   {
 727     wxWindow *win = (wxWindow *)node->Data();
 728     if ( !win->IsKindOf(CLASSINFO(wxFrame))  &&
 729          !win->IsKindOf(CLASSINFO(wxDialog)) &&
 730          (win != GetStatusBar()) &&
 731          (win != GetToolBar()) )
 732     {
 733       if ( child )
 734         return;     // it's our second subwindow - nothing to do
 735       child = win;
 736     }
 737   }
 738
 739   if ( child ) {
 740     // we have exactly one child - set it's size to fill the whole frame
 741     int clientW, clientH;
 742     GetClientSize(&clientW, &clientH);
 743
 744     int x = 0;
 745     int y = 0;
 746
 747     child->SetSize(x, y, clientW, clientH);
 748   }
 749 }
 750
 751 // Default activation behaviour - set the focus for the first child
 752 // subwindow found.
 753 void wxFrame::OnActivate(wxActivateEvent& event)
 754 {
 755   for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 756   {
 757     // Find a child that's a subwindow, but not a dialog box.
 758     wxWindow *child = (wxWindow *)node->Data();
 759     if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
 760          !child->IsKindOf(CLASSINFO(wxDialog)))
 761     {
 762       child->SetFocus();
 763       return;
 764     }
 765   }
 766 }
 767
 768 // The default implementation for the close window event - calls
 769 // OnClose for backward compatibility.
 770
 771 void wxFrame::OnCloseWindow(wxCloseEvent& event)
 772 {
 773     // Compatibility
 774     if ( GetEventHandler()->OnClose() || event.GetForce())
 775     {
 776         this->Destroy();
 777     }
 778 }
 779
 780 bool wxFrame::OnClose()
 781 {
 782     return TRUE;
 783 }
 784
 785 // Destroy the window (delayed, if a managed window)
 786 bool wxFrame::Destroy()
 787 {
 788   if (!wxPendingDelete.Member(this))
 789     wxPendingDelete.Append(this);
 790   return TRUE;
 791 }
 792
 793 // Default menu selection behaviour - display a help string
 794 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 795 {
 796   if (GetStatusBar())
 797   {
 798     if (event.GetMenuId() == -1)
 799       SetStatusText("");
 800     else
 801     {
 802       wxMenuBar *menuBar = GetMenuBar();
 803       if (menuBar)
 804       {
 805         wxString helpString(menuBar->GetHelpString(event.GetMenuId()));
 806         if (helpString != "")
 807           SetStatusText(helpString);
 808       }
 809     }
 810   }
 811 }
 812
 813 wxMenuBar *wxFrame::GetMenuBar() const
 814 {
 815   return m_frameMenuBar;
 816 }
 817
 818 void wxFrame::Centre(int direction)
 819 {
 820   int display_width, display_height, width, height, x, y;
 821   wxDisplaySize(&display_width, &display_height);
 822
 823   GetSize(&width, &height);
 824   GetPosition(&x, &y);
 825
 826   if (direction & wxHORIZONTAL)
 827     x = (int)((display_width - width)/2);
 828   if (direction & wxVERTICAL)
 829     y = (int)((display_height - height)/2);
 830
 831   SetSize(x, y, width, height);
 832 }
 833
 834 // Call this to simulate a menu command
 835 void wxFrame::Command(int id)
 836 {
 837   ProcessCommand(id);
 838 }
 839
 840 void wxFrame::ProcessCommand(int id)
 841 {
 842   wxCommandEvent commandEvent(wxEVENT_TYPE_MENU_COMMAND, id);
 843   commandEvent.SetInt( id );
 844   commandEvent.SetEventObject( this );
 845
 846   wxMenuBar *bar = GetMenuBar() ;
 847   if (!bar)
 848     return;
 849
 850 /* TODO: check the menu item if required
 851   wxMenuItem *item = bar->FindItemForId(id) ;
 852   if (item && item->IsCheckable())
 853   {
 854     bar->Check(id,!bar->Checked(id)) ;
 855   }
 856 */
 857
 858   GetEventHandler()->ProcessEvent(commandEvent);
 859 }
 860
 861 // Checks if there is a toolbar, and returns the first free client position
 862 wxPoint wxFrame::GetClientAreaOrigin() const
 863 {
 864     wxPoint pt(0, 0);
 865     if (GetToolBar())
 866     {
 867         int w, h;
 868         GetToolBar()->GetSize(& w, & h);
 869
 870         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 871         {
 872             pt.x += w;
 873         }
 874         else
 875         {
 876             pt.y += h;
 877         }
 878     }
 879     return pt;
 880 }
 881
 882 void wxFrame::ScreenToClient(int *x, int *y) const
 883 {
 884     wxWindow::ScreenToClient(x, y);
 885
 886     // We may be faking the client origin.
 887     // So a window that's really at (0, 30) may appear
 888     // (to wxWin apps) to be at (0, 0).
 889     wxPoint pt(GetClientAreaOrigin());
 890     *x -= pt.x;
 891     *y -= pt.y;
 892 }
 893
 894 void wxFrame::ClientToScreen(int *x, int *y) const
 895 {
 896     // We may be faking the client origin.
 897     // So a window that's really at (0, 30) may appear
 898     // (to wxWin apps) to be at (0, 0).
 899     wxPoint pt1(GetClientAreaOrigin());
 900     *x += pt1.x;
 901     *y += pt1.y;
 902
 903     wxWindow::ClientToScreen(x, y);
 904 }
 905
 906 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 907 {
 908     wxCHECK_MSG( m_frameToolBar == NULL, FALSE,
 909                "recreating toolbar in wxFrame" );
 910
 911     wxToolBar* toolBar = OnCreateToolBar(style, id, name);
 912     if (toolBar)
 913     {
 914         SetToolBar(toolBar);
 915         PositionToolBar();
 916         return toolBar;
 917     }
 918     else
 919     {
 920         return NULL;
 921     }
 922 }
 923
 924 wxToolBar* wxFrame::OnCreateToolBar(long style, wxWindowID id, const wxString& name)
 925 {
 926     return new wxToolBar(this, id, wxPoint(0, 0), wxSize(100, 24), style, name);
 927 }
 928
 929 void wxFrame::PositionToolBar()
 930 {
 931     int cw, ch;
 932
 933     GetClientSize(& cw, &ch);
 934
 935     if (GetToolBar())
 936     {
 937         int tw, th;
 938         GetToolBar()->GetSize(& tw, & th);
 939
 940         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 941         {
 942             // Use the 'real' position. wxSIZE_NO_ADJUSTMENTS
 943             // means, pretend we don't have toolbar/status bar, so we
 944             // have the original client size.
 945             GetToolBar()->SetSize(0, 0, tw, ch + th, wxSIZE_NO_ADJUSTMENTS);
 946         }
 947         else
 948         {
 949             // Use the 'real' position
 950             GetToolBar()->SetSize(0, 0, cw, th, wxSIZE_NO_ADJUSTMENTS);
 951         }
 952     }
 953 }
 954
 955 void wxFrame::CaptureMouse()
 956 {
 957   if (m_winCaptured)
 958     return;
 959
 960   if (GetMainWidget())
 961     XtAddGrab((Widget) m_frameShell, TRUE, FALSE);
 962   m_winCaptured = TRUE;
 963 }
 964
 965 void wxFrame::ReleaseMouse()
 966 {
 967   if (!m_winCaptured)
 968     return;
 969
 970   if (GetMainWidget())
 971     XtRemoveGrab((Widget) m_frameShell);
 972   m_winCaptured = FALSE;
 973 }
 974
 975 void wxFrame::Raise(void)
 976 {
 977     Window parent_window = XtWindow((Widget) m_frameShell),
 978            next_parent   = XtWindow((Widget) m_frameShell),
 979            root          = RootWindowOfScreen(XtScreen((Widget) m_frameShell));
 980     // search for the parent that is child of ROOT, because the WM may
 981     // reparent twice and notify only the next parent (like FVWM)
 982     while (next_parent != root) {
 983         Window *theChildren; unsigned int n;
 984         parent_window = next_parent;
 985         XQueryTree(XtDisplay((Widget) m_frameShell), parent_window, &root,
 986                    &next_parent, &theChildren, &n);
 987         XFree(theChildren); // not needed
 988     }
 989     XRaiseWindow(XtDisplay((Widget) m_frameShell), parent_window);
 990 }
 991
 992 void wxFrame::Lower(void)
 993 {
 994     Window parent_window = XtWindow((Widget) m_frameShell),
 995            next_parent   = XtWindow((Widget) m_frameShell),
 996            root          = RootWindowOfScreen(XtScreen((Widget) m_frameShell));
 997     // search for the parent that is child of ROOT, because the WM may
 998     // reparent twice and notify only the next parent (like FVWM)
 999     while (next_parent != root) {
1000         Window *theChildren; unsigned int n;
1001         parent_window = next_parent;
1002         XQueryTree(XtDisplay((Widget) m_frameShell), parent_window, &root,
1003                    &next_parent, &theChildren, &n);
1004         XFree(theChildren); // not needed
1005     }
1006     XLowerWindow(XtDisplay((Widget) m_frameShell), parent_window);
1007 }
1008
1009 void wxFrame::SetToolBar(wxToolBar *toolbar)
1010 { m_frameToolBar = toolbar; }
1011
1012 wxToolBar *wxFrame::GetToolBar() const
1013 { return m_frameToolBar; }
1014
1015 void wxFrameFocusProc(Widget workArea, XtPointer clientData,
1016                       XmAnyCallbackStruct *cbs)
1017 {
1018   wxFrame *frame = (wxFrame *)clientData;
1019
1020   // wxDebugMsg("focus proc from frame %ld\n",(long)frame);
1021   // TODO
1022   //  frame->GetEventHandler()->OnSetFocus();
1023 }
1024
1025 /* MATTEW: Used to insure that hide-&-show within an event cycle works */
1026 static void wxFrameMapProc(Widget frameShell, XtPointer clientData,
1027                            XCrossingEvent * event)
1028 {
1029   wxFrame *frame = (wxFrame *)wxWidgetHashTable->Get((long)clientData);
1030
1031   if (frame) {
1032     XEvent *e = (XEvent *)event;
1033
1034     if (e->xany.type == MapNotify)
1035     {
1036       // Iconize fix
1037       XtVaSetValues(frameShell, XmNiconic, (Boolean)False, NULL);
1038       if (!frame->GetVisibleStatus())
1039       {
1040         /* We really wanted this to be hidden! */
1041         XtUnmapWidget((Widget) frame->GetShellWidget());
1042       }
1043     }
1044     else if (e->xany.type == UnmapNotify)
1045       // Iconize fix
1046       XtVaSetValues(frameShell, XmNiconic, (Boolean)True, NULL);
1047   }
1048 }
1049
1050 //// Motif-specific
1051 bool wxFrame::PreResize()
1052 {
1053   PositionToolBar();
1054   PositionStatusBar();
1055   return TRUE;
1056 }
1057
1058 WXWidget wxFrame::GetClientWidget() const
1059 {
1060   return m_clientArea;
1061 }
1062
1063 void wxFrame::ChangeFont(bool keepOriginalSize)
1064 {
1065     // TODO
1066 }
1067
1068 void wxFrame::ChangeBackgroundColour()
1069 {
1070     if (GetClientWidget())
1071         DoChangeBackgroundColour(GetClientWidget(), m_backgroundColour);
1072 }
1073
1074 void wxFrame::ChangeForegroundColour()
1075 {
1076     if (GetClientWidget())
1077         DoChangeForegroundColour(GetClientWidget(), m_foregroundColour);
1078 }
1079
1080 void wxCloseFrameCallback(Widget widget, XtPointer client_data, XmAnyCallbackStruct *cbs)
1081 {
1082   wxFrame *frame = (wxFrame *)client_data;
1083
1084   wxCloseEvent closeEvent(wxEVT_CLOSE_WINDOW, frame->GetId());
1085   closeEvent.SetEventObject(frame);
1086
1087   // May delete the frame (with delayed deletion)
1088   frame->GetEventHandler()->ProcessEvent(closeEvent);
1089 }
1090