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