src/gtk1/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        frame.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11     #pragma implementation "frame.h"
  12 #endif
  13
  14 #include "wx/frame.h"
  15 #include "wx/dialog.h"
  16 #include "wx/control.h"
  17 #include "wx/app.h"
  18 #include "wx/menu.h"
  19 #if wxUSE_TOOLBAR
  20 #include "wx/toolbar.h"
  21 #endif
  22 #if wxUSE_STATUSBAR
  23 #include "wx/statusbr.h"
  24 #endif
  25 #include "wx/dcclient.h"
  26
  27 #include "glib.h"
  28 #include "gdk/gdk.h"
  29 #include "gtk/gtk.h"
  30 #include "wx/gtk/win_gtk.h"
  31 #include "gdk/gdkkeysyms.h"
  32
  33 //-----------------------------------------------------------------------------
  34 // constants
  35 //-----------------------------------------------------------------------------
  36
  37 const int wxMENU_HEIGHT    = 27;
  38 const int wxSTATUS_HEIGHT  = 25;
  39 const int wxPLACE_HOLDER   = 0;
  40
  41 //-----------------------------------------------------------------------------
  42 // idle system
  43 //-----------------------------------------------------------------------------
  44
  45 extern void wxapp_install_idle_handler();
  46 extern bool g_isIdle;
  47
  48 //-----------------------------------------------------------------------------
  49 // data
  50 //-----------------------------------------------------------------------------
  51
  52 extern wxList wxPendingDelete;
  53
  54 //-----------------------------------------------------------------------------
  55 // debug
  56 //-----------------------------------------------------------------------------
  57
  58 #ifdef __WXDEBUG__
  59
  60 extern void debug_focus_in( GtkWidget* widget, const wxChar* name, const wxChar *window );
  61
  62 #endif
  63
  64 //-----------------------------------------------------------------------------
  65 // "size_allocate"
  66 //-----------------------------------------------------------------------------
  67
  68 static void gtk_frame_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxFrame *win )
  69 {
  70     if (g_isIdle)
  71         wxapp_install_idle_handler();
  72
  73     if (!win->m_hasVMT) return;
  74
  75     if ((win->m_width != alloc->width) || (win->m_height != alloc->height))
  76     {
  77         win->m_width = alloc->width;
  78         win->m_height = alloc->height;
  79         win->UpdateSize();
  80     }
  81 }
  82
  83 //-----------------------------------------------------------------------------
  84 // "delete_event"
  85 //-----------------------------------------------------------------------------
  86
  87 static gint gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxFrame *win )
  88 {
  89     if (g_isIdle)
  90         wxapp_install_idle_handler();
  91
  92     win->Close();
  93
  94     return TRUE;
  95 }
  96
  97 //-----------------------------------------------------------------------------
  98 // "child_attached" of menu bar
  99 //-----------------------------------------------------------------------------
 100
 101 static void gtk_menu_attached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
 102 {
 103     if (!win->m_hasVMT) return;
 104
 105     win->m_menuBarDetached = FALSE;
 106     win->UpdateSize();
 107 }
 108
 109 //-----------------------------------------------------------------------------
 110 // "child_detached" of menu bar
 111 //-----------------------------------------------------------------------------
 112
 113 static void gtk_menu_detached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
 114 {
 115     if (!win->m_hasVMT) return;
 116
 117     win->m_menuBarDetached = TRUE;
 118     win->UpdateSize();
 119 }
 120
 121 #if wxUSE_TOOLBAR
 122 //-----------------------------------------------------------------------------
 123 // "child_attached" of tool bar
 124 //-----------------------------------------------------------------------------
 125
 126 static void gtk_toolbar_attached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
 127 {
 128     if (!win->m_hasVMT) return;
 129
 130     win->m_toolBarDetached = FALSE;
 131
 132     win->UpdateSize();
 133 }
 134
 135 //-----------------------------------------------------------------------------
 136 // "child_detached" of tool bar
 137 //-----------------------------------------------------------------------------
 138
 139 static void gtk_toolbar_detached_callback( GtkWidget *widget, GtkWidget *WXUNUSED(child), wxFrame *win )
 140 {
 141     if (g_isIdle)
 142         wxapp_install_idle_handler();
 143
 144     if (!win->m_hasVMT) return;
 145
 146     win->m_toolBarDetached = TRUE;
 147     win->UpdateSize();
 148 }
 149 #endif // wxUSE_TOOLBAR
 150
 151 //-----------------------------------------------------------------------------
 152 // "configure_event"
 153 //-----------------------------------------------------------------------------
 154
 155 static gint gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *WXUNUSED(event), wxFrame *win )
 156 {
 157     if (g_isIdle)
 158         wxapp_install_idle_handler();
 159
 160     if (!win->m_hasVMT) return FALSE;
 161
 162     int x = 0;
 163     int y = 0;
 164     gdk_window_get_root_origin( win->m_widget->window, &x, &y );
 165
 166     win->m_x = x;
 167     win->m_y = y;
 168
 169     wxMoveEvent mevent( wxPoint(win->m_x,win->m_y), win->GetId() );
 170     mevent.SetEventObject( win );
 171     win->GetEventHandler()->ProcessEvent( mevent );
 172
 173     return FALSE;
 174 }
 175
 176 //-----------------------------------------------------------------------------
 177 // "realize" from m_widget
 178 //-----------------------------------------------------------------------------
 179
 180 /* we cannot MWM hints and icons before the widget has been realized,
 181    so we do this directly after realization */
 182
 183 static gint
 184 gtk_frame_realized_callback( GtkWidget *widget, wxFrame *win )
 185 {
 186     if (g_isIdle)
 187         wxapp_install_idle_handler();
 188
 189     /* all this is for Motif Window Manager "hints" and is supposed to be
 190        recognized by other WM as well. not tested. */
 191     long decor = (long) GDK_DECOR_BORDER;
 192     long func = (long) GDK_FUNC_MOVE;
 193
 194     if ((win->GetWindowStyle() & wxCAPTION) != 0)
 195         decor |= GDK_DECOR_TITLE;
 196     if ((win->GetWindowStyle() & wxSYSTEM_MENU) != 0)
 197     {
 198        decor |= GDK_DECOR_MENU;
 199        func |= GDK_FUNC_CLOSE;
 200     }
 201     if ((win->GetWindowStyle() & wxMINIMIZE_BOX) != 0)
 202     {
 203         func |= GDK_FUNC_MINIMIZE;
 204         decor |= GDK_DECOR_MINIMIZE;
 205     }
 206     if ((win->GetWindowStyle() & wxMAXIMIZE_BOX) != 0)
 207     {
 208         func |= GDK_FUNC_MAXIMIZE;
 209         decor |= GDK_DECOR_MAXIMIZE;
 210     }
 211     if ((win->GetWindowStyle() & wxRESIZE_BORDER) != 0)
 212     {
 213        func |= GDK_FUNC_RESIZE;
 214        decor |= GDK_DECOR_RESIZEH;
 215     }
 216
 217
 218     gdk_window_set_decorations( win->m_widget->window, (GdkWMDecoration)decor);
 219     gdk_window_set_functions( win->m_widget->window, (GdkWMFunction)func);
 220
 221     /* GTK's shrinking/growing policy */
 222     if ((win->GetWindowStyle() & wxRESIZE_BORDER) == 0)
 223         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 0, 0, 1);
 224     else
 225         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1);
 226
 227     /* reset the icon */
 228     if (win->m_icon != wxNullIcon)
 229     {
 230         wxIcon icon( win->m_icon );
 231         win->m_icon = wxNullIcon;
 232         win->SetIcon( icon );
 233     }
 234
 235     /* we set the focus to the child that accepts the focus. this
 236        doesn't really have to be done in "realize" but why not? */
 237     wxWindowList::Node *node = win->GetChildren().GetFirst();
 238     while (node)
 239     {
 240         wxWindow *child = node->GetData();
 241         if (child->AcceptsFocus())
 242         {
 243             child->SetFocus();
 244             break;
 245         }
 246
 247         node = node->GetNext();
 248     }
 249
 250     return FALSE;
 251 }
 252
 253 //-----------------------------------------------------------------------------
 254 // InsertChild for wxFrame
 255 //-----------------------------------------------------------------------------
 256
 257 /* Callback for wxFrame. This very strange beast has to be used because
 258  * C++ has no virtual methods in a constructor. We have to emulate a
 259  * virtual function here as wxWindows requires different ways to insert
 260  * a child in container classes. */
 261
 262 static void wxInsertChildInFrame( wxFrame* parent, wxWindow* child )
 263 {
 264     if (!parent->m_insertInClientArea)
 265     {
 266         /* these are outside the client area */
 267         wxFrame* frame = (wxFrame*) parent;
 268         gtk_myfixed_put( GTK_MYFIXED(frame->m_mainWidget),
 269                          GTK_WIDGET(child->m_widget),
 270                          child->m_x,
 271                          child->m_y,
 272                          child->m_width,
 273                          child->m_height );
 274
 275 #if wxUSE_TOOLBAR
 276         /* we connect to these events for recalculating the client area
 277            space when the toolbar is floating */
 278         if (wxIS_KIND_OF(child,wxToolBar))
 279         {
 280             wxToolBar *toolBar = (wxToolBar*) child;
 281             if (toolBar->GetWindowStyle() & wxTB_DOCKABLE)
 282             {
 283                 gtk_signal_connect( GTK_OBJECT(toolBar->m_widget), "child_attached",
 284                     GTK_SIGNAL_FUNC(gtk_toolbar_attached_callback), (gpointer)parent );
 285
 286                 gtk_signal_connect( GTK_OBJECT(toolBar->m_widget), "child_detached",
 287                     GTK_SIGNAL_FUNC(gtk_toolbar_detached_callback), (gpointer)parent );
 288             }
 289         }
 290 #endif // wxUSE_TOOLBAR
 291     }
 292     else
 293     {
 294         /* these are inside the client area */
 295         gtk_myfixed_put( GTK_MYFIXED(parent->m_wxwindow),
 296                          GTK_WIDGET(child->m_widget),
 297                          child->m_x,
 298                          child->m_y,
 299                          child->m_width,
 300                          child->m_height );
 301     }
 302
 303     /* resize on OnInternalIdle */
 304     parent->UpdateSize();
 305 }
 306
 307 //-----------------------------------------------------------------------------
 308 // wxFrame
 309 //-----------------------------------------------------------------------------
 310
 311 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
 312     EVT_SIZE(wxFrame::OnSize)
 313     EVT_CLOSE(wxFrame::OnCloseWindow)
 314     EVT_MENU_HIGHLIGHT_ALL(wxFrame::OnMenuHighlight)
 315 END_EVENT_TABLE()
 316
 317 IMPLEMENT_DYNAMIC_CLASS(wxFrame,wxWindow)
 318
 319 void wxFrame::Init()
 320 {
 321     m_frameMenuBar = (wxMenuBar *) NULL;
 322 #if wxUSE_STATUSBAR
 323     m_frameStatusBar = (wxStatusBar *) NULL;
 324 #endif // wxUSE_STATUSBAR
 325 #if wxUSE_TOOLBAR
 326     m_frameToolBar = (wxToolBar *) NULL;
 327 #endif // wxUSE_TOOLBAR
 328     m_sizeSet = FALSE;
 329     m_miniEdge = 0;
 330     m_miniTitle = 0;
 331     m_mainWidget = (GtkWidget*) NULL;
 332     m_menuBarDetached = FALSE;
 333     m_toolBarDetached = FALSE;
 334     m_insertInClientArea = TRUE;
 335 }
 336
 337 wxFrame::wxFrame( wxWindow *parent, wxWindowID id, const wxString &title,
 338       const wxPoint &pos, const wxSize &size,
 339       long style, const wxString &name )
 340 {
 341     Init();
 342
 343     Create( parent, id, title, pos, size, style, name );
 344 }
 345
 346 bool wxFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 347       const wxPoint &pos, const wxSize &size,
 348       long style, const wxString &name )
 349 {
 350     wxTopLevelWindows.Append( this );
 351
 352     m_needParent = FALSE;
 353
 354     PreCreation( parent, id, pos, size, style, name );
 355
 356     m_title = title;
 357
 358     m_insertCallback = (wxInsertChildFunction) wxInsertChildInFrame;
 359
 360     GtkWindowType win_type = GTK_WINDOW_TOPLEVEL;
 361     if (style & wxSIMPLE_BORDER) win_type = GTK_WINDOW_POPUP;
 362
 363     m_widget = gtk_window_new( win_type );
 364
 365     if (!name.IsEmpty())
 366         gtk_window_set_wmclass( GTK_WINDOW(m_widget), name.mb_str(), name.mb_str() );
 367
 368 #ifdef __WXDEBUG__
 369     debug_focus_in( m_widget, _T("wxFrame::m_widget"), name );
 370 #endif
 371
 372     gtk_window_set_title( GTK_WINDOW(m_widget), title.mbc_str() );
 373     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 374
 375     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 376         GTK_SIGNAL_FUNC(gtk_frame_delete_callback), (gpointer)this );
 377
 378     /* m_mainWidget holds the toolbar, the menubar and the client area */
 379     m_mainWidget = gtk_myfixed_new();
 380     gtk_widget_show( m_mainWidget );
 381     GTK_WIDGET_UNSET_FLAGS( m_mainWidget, GTK_CAN_FOCUS );
 382     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 383
 384 #ifdef __WXDEBUG__
 385     debug_focus_in( m_mainWidget, _T("wxFrame::m_mainWidget"), name );
 386 #endif
 387
 388     /* m_wxwindow only represents the client area without toolbar and menubar */
 389     m_wxwindow = gtk_myfixed_new();
 390     gtk_widget_show( m_wxwindow );
 391     gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
 392
 393 #ifdef __WXDEBUG__
 394     debug_focus_in( m_wxwindow, _T("wxFrame::m_wxwindow"), name );
 395 #endif
 396
 397     /* we donm't allow the frame to get the focus as otherwise
 398        the frame will grabit at arbitrary fcous changes. */
 399     GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 400
 401     if (m_parent) m_parent->AddChild( this );
 402
 403     PostCreation();
 404
 405     /*  we cannot set MWM hints and icons before the widget has
 406         been realized, so we do this directly after realization */
 407     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 408                         GTK_SIGNAL_FUNC(gtk_frame_realized_callback), (gpointer) this );
 409
 410     /* the user resized the frame by dragging etc. */
 411     gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
 412         GTK_SIGNAL_FUNC(gtk_frame_size_callback), (gpointer)this );
 413
 414     /* the only way to get the window size is to connect to this event */
 415     gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
 416         GTK_SIGNAL_FUNC(gtk_frame_configure_callback), (gpointer)this );
 417
 418     return TRUE;
 419 }
 420
 421 wxFrame::~wxFrame()
 422 {
 423     m_isBeingDeleted = TRUE;
 424
 425     if (m_frameMenuBar) delete m_frameMenuBar;
 426     m_frameMenuBar = (wxMenuBar *) NULL;
 427
 428 #if wxUSE_STATUSBAR
 429     if (m_frameStatusBar) delete m_frameStatusBar;
 430     m_frameStatusBar = (wxStatusBar *) NULL;
 431 #endif // wxUSE_STATUSBAR
 432
 433 #if wxUSE_TOOLBAR
 434     if (m_frameToolBar) delete m_frameToolBar;
 435     m_frameToolBar = (wxToolBar *) NULL;
 436 #endif // wxUSE_TOOLBAR
 437
 438     wxTopLevelWindows.DeleteObject( this );
 439
 440     if (wxTheApp->GetTopWindow() == this)
 441         wxTheApp->SetTopWindow( (wxWindow*) NULL );
 442
 443     if (wxTopLevelWindows.Number() == 0)
 444         wxTheApp->ExitMainLoop();
 445 }
 446
 447 bool wxFrame::Show( bool show )
 448 {
 449     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 450
 451     if (show && !m_sizeSet)
 452     {
 453         /* by calling GtkOnSize here, we don't have to call
 454            either after showing the frame, which would entail
 455            much ugly flicker or from within the size_allocate
 456            handler, because GTK 1.1.X forbids that. */
 457
 458         GtkOnSize( m_x, m_y, m_width, m_height );
 459     }
 460
 461     return wxWindow::Show( show );
 462 }
 463
 464 bool wxFrame::Destroy()
 465 {
 466     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 467
 468     if (!wxPendingDelete.Member(this)) wxPendingDelete.Append(this);
 469
 470     return TRUE;
 471 }
 472
 473 void wxFrame::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 474 {
 475     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 476
 477     /* this shouldn't happen: wxFrame, wxMDIParentFrame and wxMDIChildFrame have m_wxwindow */
 478     wxASSERT_MSG( (m_wxwindow != NULL), _T("invalid frame") );
 479
 480     /* avoid recursions */
 481     if (m_resizing) return;
 482     m_resizing = TRUE;
 483
 484     int old_x = m_x;
 485     int old_y = m_y;
 486     int old_width = m_width;
 487     int old_height = m_height;
 488
 489     if ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0)
 490     {
 491         if (x != -1) m_x = x;
 492         if (y != -1) m_y = y;
 493         if (width != -1) m_width = width;
 494         if (height != -1) m_height = height;
 495     }
 496     else
 497     {
 498         m_x = x;
 499         m_y = y;
 500         m_width = width;
 501         m_height = height;
 502     }
 503
 504     if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
 505     {
 506         if (width == -1) m_width = 80;
 507     }
 508
 509     if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
 510     {
 511        if (height == -1) m_height = 26;
 512     }
 513
 514     if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 515     if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 516     if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth;
 517     if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight;
 518
 519     if ((m_x != -1) || (m_y != -1))
 520     {
 521         if ((m_x != old_x) || (m_y != old_y))
 522         {
 523             gtk_widget_set_uposition( m_widget, m_x, m_y );
 524         }
 525     }
 526
 527     if ((m_width != old_width) || (m_height != old_height))
 528     {
 529         /* we set the size in GtkOnSize, i.e. mostly the actual resizing is
 530            done either directly before the frame is shown or in idle time
 531            so that different calls to SetSize() don't lead to flicker. */
 532         m_sizeSet = FALSE;
 533     }
 534
 535     m_resizing = FALSE;
 536 }
 537
 538 void wxFrame::Centre( int direction )
 539 {
 540     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 541
 542     int x = 0;
 543     int y = 0;
 544
 545     if ((direction & wxHORIZONTAL) == wxHORIZONTAL) x = (gdk_screen_width () - m_width) / 2;
 546     if ((direction & wxVERTICAL) == wxVERTICAL) y = (gdk_screen_height () - m_height) / 2;
 547
 548     Move( x, y );
 549 }
 550
 551 void wxFrame::DoGetClientSize( int *width, int *height ) const
 552 {
 553     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 554
 555     wxWindow::DoGetClientSize( width, height );
 556     if (height)
 557     {
 558         /* menu bar */
 559         if (m_frameMenuBar)
 560         {
 561             if (!m_menuBarDetached)
 562                 (*height) -= wxMENU_HEIGHT;
 563             else
 564                 (*height) -= wxPLACE_HOLDER;
 565         }
 566
 567 #if wxUSE_STATUSBAR
 568         /* status bar */
 569         if (m_frameStatusBar) (*height) -= wxSTATUS_HEIGHT;
 570 #endif
 571
 572 #if wxUSE_TOOLBAR
 573         /* tool bar */
 574         if (m_frameToolBar)
 575         {
 576             if (!m_toolBarDetached)
 577             {
 578                 int y = 0;
 579                 m_frameToolBar->GetSize( (int *) NULL, &y );
 580                 (*height) -= y;
 581             }
 582             else
 583                 (*height) -= wxPLACE_HOLDER;
 584         }
 585 #endif
 586
 587         /* mini edge */
 588         (*height) -= m_miniEdge*2 + m_miniTitle;
 589     }
 590     if (width)
 591     {
 592         (*width) -= m_miniEdge*2;
 593     }
 594 }
 595
 596 void wxFrame::DoSetClientSize( int width, int height )
 597 {
 598     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 599
 600         /* menu bar */
 601         if (m_frameMenuBar)
 602         {
 603             if (!m_menuBarDetached)
 604                 height += wxMENU_HEIGHT;
 605             else
 606                 height += wxPLACE_HOLDER;
 607         }
 608
 609 #if wxUSE_STATUSBAR
 610         /* status bar */
 611         if (m_frameStatusBar) height += wxSTATUS_HEIGHT;
 612 #endif
 613
 614 #if wxUSE_TOOLBAR
 615         /* tool bar */
 616         if (m_frameToolBar)
 617         {
 618             if (!m_toolBarDetached)
 619             {
 620                 int y = 0;
 621                 m_frameToolBar->GetSize( (int *) NULL, &y );
 622                 height += y;
 623             }
 624             else
 625                 height += wxPLACE_HOLDER;
 626         }
 627 #endif
 628
 629     wxWindow::DoSetClientSize( width + m_miniEdge*2, height  + m_miniEdge*2 + m_miniTitle );
 630 }
 631
 632 void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height )
 633 {
 634     // due to a bug in gtk, x,y are always 0
 635     // m_x = x;
 636     // m_y = y;
 637
 638     /* avoid recursions */
 639     if (m_resizing) return;
 640     m_resizing = TRUE;
 641
 642     /* this shouldn't happen: wxFrame, wxMDIParentFrame and wxMDIChildFrame have m_wxwindow */
 643     wxASSERT_MSG( (m_wxwindow != NULL), _T("invalid frame") );
 644
 645     m_width = width;
 646     m_height = height;
 647
 648     /* space occupied by m_frameToolBar and m_frameMenuBar */
 649     int client_area_y_offset = 0;
 650
 651     /* wxMDIChildFrame derives from wxFrame but it _is_ a wxWindow as it uses
 652        wxWindow::Create to create it's GTK equivalent. m_mainWidget is only
 653        set in wxFrame::Create so it is used to check what kind of frame we
 654        have here. if m_mainWidget is NULL it is a wxMDIChildFrame and so we
 655        skip the part which handles m_frameMenuBar, m_frameToolBar and (most
 656        importantly) m_mainWidget */
 657
 658     if (m_mainWidget)
 659     {
 660         /* check if size is in legal range */
 661         if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 662         if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 663         if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth;
 664         if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight;
 665
 666         /* I revert back to wxGTK's original behaviour. m_mainWidget holds the
 667          * menubar, the toolbar and the client area, which is represented by
 668          * m_wxwindow.
 669          * this hurts in the eye, but I don't want to call SetSize()
 670          * because I don't want to call any non-native functions here. */
 671
 672         if (m_frameMenuBar)
 673         {
 674             int xx = m_miniEdge;
 675             int yy = m_miniEdge + m_miniTitle;
 676             int ww = m_width  - 2*m_miniEdge;
 677             int hh = wxMENU_HEIGHT;
 678             if (m_menuBarDetached) hh = wxPLACE_HOLDER;
 679             m_frameMenuBar->m_x = xx;
 680             m_frameMenuBar->m_y = yy;
 681             m_frameMenuBar->m_width = ww;
 682             m_frameMenuBar->m_height = hh;
 683             gtk_myfixed_set_size( GTK_MYFIXED(m_mainWidget),
 684                                   m_frameMenuBar->m_widget,
 685                                   xx, yy, ww, hh );
 686             client_area_y_offset += hh;
 687         }
 688
 689 #if wxUSE_TOOLBAR
 690         if (m_frameToolBar)
 691         {
 692             int xx = m_miniEdge;
 693             int yy = m_miniEdge + m_miniTitle;
 694             if (m_frameMenuBar)
 695             {
 696                 if (!m_menuBarDetached)
 697                     yy += wxMENU_HEIGHT;
 698                 else
 699                     yy += wxPLACE_HOLDER;
 700             }
 701             int ww = m_width - 2*m_miniEdge;
 702             int hh = m_frameToolBar->m_height;
 703             if (m_toolBarDetached) hh = wxPLACE_HOLDER;
 704             m_frameToolBar->m_x = xx;
 705             m_frameToolBar->m_y = yy;
 706             /* m_frameToolBar->m_height = hh;   don't change the toolbar's height */
 707             m_frameToolBar->m_width = ww;
 708             gtk_myfixed_set_size( GTK_MYFIXED(m_mainWidget),
 709                                   m_frameToolBar->m_widget,
 710                                   xx, yy, ww, hh );
 711             client_area_y_offset += hh;
 712         }
 713 #endif
 714
 715         int client_x = m_miniEdge;
 716         int client_y = client_area_y_offset + m_miniEdge + m_miniTitle;
 717         int client_w = m_width - 2*m_miniEdge;
 718         int client_h = m_height - client_area_y_offset- 2*m_miniEdge - m_miniTitle;
 719         gtk_myfixed_set_size( GTK_MYFIXED(m_mainWidget),
 720                               m_wxwindow,
 721                               client_x, client_y, client_w, client_h );
 722     }
 723     else
 724     {
 725         /* if there is no m_mainWidget between m_widget and m_wxwindow there
 726            is no need to set the size or position of m_wxwindow. */
 727     }
 728
 729 #if wxUSE_STATUSBAR
 730     if (m_frameStatusBar)
 731     {
 732         int xx = 0 + m_miniEdge;
 733         int yy = m_height - wxSTATUS_HEIGHT - m_miniEdge - client_area_y_offset;
 734         int ww = m_width - 2*m_miniEdge;
 735         int hh = wxSTATUS_HEIGHT;
 736         m_frameStatusBar->m_x = xx;
 737         m_frameStatusBar->m_y = yy;
 738         m_frameStatusBar->m_width = ww;
 739         m_frameStatusBar->m_height = hh;
 740         gtk_myfixed_set_size( GTK_MYFIXED(m_wxwindow),
 741                               m_frameStatusBar->m_widget,
 742                               xx, yy, ww, hh );
 743     }
 744 #endif
 745
 746     /* we actually set the size of a frame here and no-where else */
 747     gtk_widget_set_usize( m_widget, m_width, m_height );
 748
 749     m_sizeSet = TRUE;
 750
 751     /* send size event to frame */
 752     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 753     event.SetEventObject( this );
 754     GetEventHandler()->ProcessEvent( event );
 755
 756     /* send size event to status bar */
 757     if (m_frameStatusBar)
 758     {
 759         wxSizeEvent event2( wxSize(m_frameStatusBar->m_width,m_frameStatusBar->m_height), m_frameStatusBar->GetId() );
 760         event2.SetEventObject( m_frameStatusBar );
 761         m_frameStatusBar->GetEventHandler()->ProcessEvent( event2 );
 762     }
 763
 764     m_resizing = FALSE;
 765 }
 766
 767 void wxFrame::MakeModal( bool modal )
 768 {
 769     if (modal)
 770         gtk_grab_add( m_widget );
 771     else
 772         gtk_grab_remove( m_widget );
 773 }
 774
 775 void wxFrame::OnInternalIdle()
 776 {
 777     if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow))
 778         GtkOnSize( m_x, m_y, m_width, m_height );
 779
 780     DoMenuUpdates();
 781
 782     if (m_frameMenuBar) m_frameMenuBar->OnInternalIdle();
 783 #if wxUSE_TOOLBAR
 784     if (m_frameToolBar) m_frameToolBar->OnInternalIdle();
 785 #endif
 786 #if wxUSE_STATUSBAR
 787     if (m_frameStatusBar) m_frameStatusBar->OnInternalIdle();
 788 #endif
 789 }
 790
 791 void wxFrame::OnCloseWindow( wxCloseEvent& WXUNUSED(event) )
 792 {
 793     Destroy();
 794 }
 795
 796 void wxFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
 797 {
 798     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 799
 800 #if wxUSE_CONSTRAINTS
 801     if (GetAutoLayout())
 802     {
 803         Layout();
 804     }
 805     else
 806 #endif // wxUSE_CONSTRAINTS
 807     {
 808         /* do we have exactly one child? */
 809         wxWindow *child = (wxWindow *)NULL;
 810         for ( wxNode *node = GetChildren().First(); node; node = node->Next() )
 811         {
 812             wxWindow *win = (wxWindow *)node->Data();
 813             if ( !wxIS_KIND_OF(win,wxFrame) && !wxIS_KIND_OF(win,wxDialog) )
 814             {
 815                 if (child)
 816                 {
 817                     /* it's the second one: do nothing */
 818                     return;
 819                 }
 820
 821                 child = win;
 822             }
 823         }
 824
 825         /* no children at all? */
 826         if (child)
 827         {
 828             /* yes: set it's size to fill all the frame */
 829             int client_x, client_y;
 830             DoGetClientSize( &client_x, &client_y );
 831             child->SetSize( 1, 1, client_x-2, client_y-2 );
 832         }
 833     }
 834 }
 835
 836 void wxFrame::SetMenuBar( wxMenuBar *menuBar )
 837 {
 838     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 839     wxASSERT_MSG( (m_wxwindow != NULL), _T("invalid frame") );
 840
 841     m_frameMenuBar = menuBar;
 842
 843     if (m_frameMenuBar)
 844     {
 845         m_frameMenuBar->SetInvokingWindow( this );
 846
 847         if (m_frameMenuBar->GetParent() != this)
 848         {
 849             m_frameMenuBar->SetParent(this);
 850             gtk_myfixed_put( GTK_MYFIXED(m_mainWidget),
 851                 m_frameMenuBar->m_widget,
 852                 m_frameMenuBar->m_x,
 853                 m_frameMenuBar->m_y,
 854                 m_frameMenuBar->m_width,
 855                 m_frameMenuBar->m_height );
 856
 857             if (menuBar->GetWindowStyle() & wxMB_DOCKABLE)
 858             {
 859                 gtk_signal_connect( GTK_OBJECT(menuBar->m_widget), "child_attached",
 860                     GTK_SIGNAL_FUNC(gtk_menu_attached_callback), (gpointer)this );
 861
 862                 gtk_signal_connect( GTK_OBJECT(menuBar->m_widget), "child_detached",
 863                     GTK_SIGNAL_FUNC(gtk_menu_detached_callback), (gpointer)this );
 864             }
 865
 866             m_frameMenuBar->Show( TRUE );
 867         }
 868     }
 869
 870     /* resize window in OnInternalIdle */
 871     m_sizeSet = FALSE;
 872 }
 873
 874 wxMenuBar *wxFrame::GetMenuBar() const
 875 {
 876     return m_frameMenuBar;
 877 }
 878
 879 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 880 {
 881 #if wxUSE_STATUSBAR
 882     if (GetStatusBar())
 883     {
 884         // if no help string found, we will clear the status bar text
 885         wxString helpString;
 886
 887         int menuId = event.GetMenuId();
 888         if ( menuId != -1 )
 889         {
 890             wxMenuBar *menuBar = GetMenuBar();
 891             if (menuBar)
 892             {
 893                 helpString = menuBar->GetHelpString(menuId);
 894             }
 895         }
 896
 897         SetStatusText(helpString);
 898     }
 899 #endif // wxUSE_STATUSBAR
 900 }
 901
 902 #if wxUSE_TOOLBAR
 903 wxToolBar* wxFrame::CreateToolBar( long style, wxWindowID id, const wxString& name )
 904 {
 905     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 906
 907     wxCHECK_MSG( m_frameToolBar == NULL, FALSE, _T("recreating toolbar in wxFrame") );
 908
 909     m_insertInClientArea = FALSE;
 910
 911     m_frameToolBar = OnCreateToolBar( style, id, name );
 912
 913     if (m_frameToolBar) GetChildren().DeleteObject( m_frameToolBar );
 914
 915     m_insertInClientArea = TRUE;
 916
 917     m_sizeSet = FALSE;
 918
 919     return m_frameToolBar;
 920 }
 921
 922 wxToolBar* wxFrame::OnCreateToolBar( long style, wxWindowID id, const wxString& name )
 923 {
 924     return new wxToolBar( this, id, wxDefaultPosition, wxDefaultSize, style, name );
 925 }
 926
 927 wxToolBar *wxFrame::GetToolBar() const
 928 {
 929     return m_frameToolBar;
 930 }
 931 #endif // wxUSE_TOOLBAR
 932
 933 #if wxUSE_STATUSBAR
 934 wxStatusBar* wxFrame::CreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 935 {
 936     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 937
 938     wxCHECK_MSG( m_frameStatusBar == NULL, FALSE, _T("recreating status bar in wxFrame") );
 939
 940     m_frameStatusBar = OnCreateStatusBar( number, style, id, name );
 941
 942     m_sizeSet = FALSE;
 943
 944     return m_frameStatusBar;
 945 }
 946
 947 wxStatusBar *wxFrame::OnCreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 948 {
 949     wxStatusBar *statusBar = (wxStatusBar *) NULL;
 950
 951     statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20), style, name);
 952
 953     // Set the height according to the font and the border size
 954     wxClientDC dc(statusBar);
 955     dc.SetFont( statusBar->GetFont() );
 956
 957     long x, y;
 958     dc.GetTextExtent( "X", &x, &y );
 959
 960     int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 961
 962     statusBar->SetSize( -1, -1, 100, height );
 963
 964     statusBar->SetFieldsCount( number );
 965     return statusBar;
 966 }
 967
 968 wxStatusBar *wxFrame::GetStatusBar() const
 969 {
 970     return m_frameStatusBar;
 971 }
 972
 973 void wxFrame::SetStatusText(const wxString& text, int number)
 974 {
 975     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 976
 977     wxCHECK_RET( m_frameStatusBar != NULL, _T("no statusbar to set text for") );
 978
 979     m_frameStatusBar->SetStatusText(text, number);
 980 }
 981
 982 void wxFrame::SetStatusWidths(int n, const int widths_field[] )
 983 {
 984     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 985
 986     wxCHECK_RET( m_frameStatusBar != NULL, _T("no statusbar to set widths for") );
 987
 988     m_frameStatusBar->SetStatusWidths(n, widths_field);
 989 }
 990 #endif // wxUSE_STATUSBAR
 991
 992 void wxFrame::Command( int id )
 993 {
 994     wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
 995     commandEvent.SetInt( id );
 996     commandEvent.SetEventObject( this );
 997
 998     wxMenuBar *bar = GetMenuBar();
 999     if (!bar) return;
1000
1001     wxMenuItem *item = bar->FindItemForId(id) ;
1002     if (item && item->IsCheckable())
1003     {
1004         bar->Check(id,!bar->Checked(id)) ;
1005     }
1006
1007     wxEvtHandler* evtHandler = GetEventHandler();
1008
1009     evtHandler->ProcessEvent(commandEvent);
1010 }
1011
1012 void wxFrame::SetTitle( const wxString &title )
1013 {
1014     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
1015
1016     m_title = title;
1017     if (m_title.IsNull()) m_title = _T("");
1018     gtk_window_set_title( GTK_WINDOW(m_widget), title.mbc_str() );
1019 }
1020
1021 void wxFrame::SetIcon( const wxIcon &icon )
1022 {
1023     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
1024
1025     m_icon = icon;
1026     if (!icon.Ok()) return;
1027
1028     if (!m_widget->window) return;
1029
1030     wxMask *mask = icon.GetMask();
1031     GdkBitmap *bm = (GdkBitmap *) NULL;
1032     if (mask) bm = mask->GetBitmap();
1033
1034     gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
1035 }
1036