1 ///////////////////////////////////////////////////////////////////////////// 
   2 // Name:        src/gtk/frame.cpp 
   4 // Author:      Robert Roebling 
   6 // Copyright:   (c) 1998 Robert Roebling 
   7 // Licence:     wxWindows licence 
   8 ///////////////////////////////////////////////////////////////////////////// 
  10 // For compilers that support precompilation, includes "wx.h". 
  11 #include "wx/wxprec.h" 
  13 // ============================================================================ 
  15 // ============================================================================ 
  17 // ---------------------------------------------------------------------------- 
  19 // ---------------------------------------------------------------------------- 
  25     #include "wx/dcclient.h" 
  27     #include "wx/dialog.h" 
  28     #include "wx/control.h" 
  29     #include "wx/toolbar.h" 
  30     #include "wx/statusbr.h" 
  34 #include "wx/gtk/private.h" 
  36 #include <gdk/gdkkeysyms.h> 
  39 #include "wx/gtk/win_gtk.h" 
  41 // ---------------------------------------------------------------------------- 
  43 // ---------------------------------------------------------------------------- 
  45 const int wxSTATUS_HEIGHT  
= 25; 
  46 const int wxPLACE_HOLDER   
= 0; 
  48 // ---------------------------------------------------------------------------- 
  50 // ---------------------------------------------------------------------------- 
  52 IMPLEMENT_DYNAMIC_CLASS(wxFrame
, wxTopLevelWindow
) 
  54 // ============================================================================ 
  56 // ============================================================================ 
  58 // ---------------------------------------------------------------------------- 
  60 // ---------------------------------------------------------------------------- 
  62 #if wxUSE_MENUS_NATIVE 
  64 //----------------------------------------------------------------------------- 
  65 // "child_attached" of menu bar 
  66 //----------------------------------------------------------------------------- 
  69 static void gtk_menu_attached_callback( GtkWidget 
*WXUNUSED(widget
), GtkWidget 
*WXUNUSED(child
), wxFrame 
*win 
) 
  71     if (!win
->m_hasVMT
) return; 
  73     win
->m_menuBarDetached 
= false; 
  78 //----------------------------------------------------------------------------- 
  79 // "child_detached" of menu bar 
  80 //----------------------------------------------------------------------------- 
  83 static void gtk_menu_detached_callback( GtkWidget 
*WXUNUSED(widget
), GtkWidget 
*WXUNUSED(child
), wxFrame 
*win 
) 
  86         wxapp_install_idle_handler(); 
  88     if (!win
->m_hasVMT
) return; 
  90     // Raise the client area area 
  91     gdk_window_raise( win
->m_wxwindow
->window 
); 
  93     win
->m_menuBarDetached 
= true; 
  98 #endif // wxUSE_MENUS_NATIVE 
 101 //----------------------------------------------------------------------------- 
 102 // "child_attached" of tool bar 
 103 //----------------------------------------------------------------------------- 
 106 static void gtk_toolbar_attached_callback( GtkWidget 
*WXUNUSED(widget
), GtkWidget 
*WXUNUSED(child
), wxFrame 
*win 
) 
 108     if (!win
->m_hasVMT
) return; 
 110     win
->m_toolBarDetached 
= false; 
 111     win
->GtkUpdateSize(); 
 115 //----------------------------------------------------------------------------- 
 116 // "child_detached" of tool bar 
 117 //----------------------------------------------------------------------------- 
 120 static void gtk_toolbar_detached_callback( GtkWidget 
*WXUNUSED(widget
), GtkWidget 
*WXUNUSED(child
), wxFrame 
*win 
) 
 123         wxapp_install_idle_handler(); 
 125     if (!win
->m_hasVMT
) return; 
 127     // Raise the client area area 
 128     gdk_window_raise( win
->m_wxwindow
->window 
); 
 130     win
->m_toolBarDetached 
= true; 
 131     win
->GtkUpdateSize(); 
 134 #endif // wxUSE_TOOLBAR 
 137 // ---------------------------------------------------------------------------- 
 139 // ---------------------------------------------------------------------------- 
 141 //----------------------------------------------------------------------------- 
 142 // InsertChild for wxFrame 
 143 //----------------------------------------------------------------------------- 
 145 /* Callback for wxFrame. This very strange beast has to be used because 
 146  * C++ has no virtual methods in a constructor. We have to emulate a 
 147  * virtual function here as wxWidgets requires different ways to insert 
 148  * a child in container classes. */ 
 150 static void wxInsertChildInFrame( wxFrame
* parent
, wxWindow
* child 
) 
 152     wxASSERT( GTK_IS_WIDGET(child
->m_widget
) ); 
 154     if (!parent
->m_insertInClientArea
) 
 156         // These are outside the client area 
 157         wxFrame
* frame 
= (wxFrame
*) parent
; 
 158         gtk_pizza_put( GTK_PIZZA(frame
->m_mainWidget
), 
 159                          GTK_WIDGET(child
->m_widget
), 
 165 #if wxUSE_TOOLBAR_NATIVE 
 166         // We connect to these events for recalculating the client area 
 167         // space when the toolbar is floating 
 168         if (wxIS_KIND_OF(child
,wxToolBar
)) 
 170             wxToolBar 
*toolBar 
= (wxToolBar
*) child
; 
 171             if (toolBar
->GetWindowStyle() & wxTB_DOCKABLE
) 
 173                 g_signal_connect (toolBar
->m_widget
, "child_attached", 
 174                                   G_CALLBACK (gtk_toolbar_attached_callback
), 
 176                 g_signal_connect (toolBar
->m_widget
, "child_detached", 
 177                                   G_CALLBACK (gtk_toolbar_detached_callback
), 
 181 #endif // wxUSE_TOOLBAR 
 185         // These are inside the client area 
 186         gtk_pizza_put( GTK_PIZZA(parent
->m_wxwindow
), 
 187                          GTK_WIDGET(child
->m_widget
), 
 194     // Resize on OnInternalIdle 
 195     parent
->GtkUpdateSize(); 
 198 // ---------------------------------------------------------------------------- 
 200 // ---------------------------------------------------------------------------- 
 204     m_menuBarDetached 
= false; 
 205     m_toolBarDetached 
= false; 
 209 bool wxFrame::Create( wxWindow 
*parent
, 
 211                       const wxString
& title
, 
 213                       const wxSize
& sizeOrig
, 
 215                       const wxString 
&name 
) 
 217     bool rt 
= wxTopLevelWindow::Create(parent
, id
, title
, pos
, sizeOrig
, 
 219     m_insertCallback 
= (wxInsertChildFunction
) wxInsertChildInFrame
; 
 226     m_isBeingDeleted 
= true; 
 230 // ---------------------------------------------------------------------------- 
 231 // overridden wxWindow methods 
 232 // ---------------------------------------------------------------------------- 
 234 void wxFrame::DoGetClientSize( int *width
, int *height 
) const 
 236     wxASSERT_MSG( (m_widget 
!= NULL
), wxT("invalid frame") ); 
 238     wxTopLevelWindow::DoGetClientSize( width
, height 
); 
 242 #if wxUSE_MENUS_NATIVE 
 246             if (!m_menuBarDetached
) 
 247                 (*height
) -= m_menuBarHeight
; 
 249                 (*height
) -= wxPLACE_HOLDER
; 
 251 #endif // wxUSE_MENUS_NATIVE 
 255         if (m_frameStatusBar 
&& m_frameStatusBar
->IsShown()) 
 256             (*height
) -= wxSTATUS_HEIGHT
; 
 257 #endif // wxUSE_STATUSBAR 
 261         if (m_frameToolBar 
&& m_frameToolBar
->IsShown()) 
 263             if (m_toolBarDetached
) 
 265                 *height 
-= wxPLACE_HOLDER
; 
 270                 m_frameToolBar
->GetSize( &x
, &y 
); 
 271                 if ( m_frameToolBar
->GetWindowStyle() & wxTB_VERTICAL 
) 
 281 #endif // wxUSE_TOOLBAR 
 285 void wxFrame::DoSetClientSize( int width
, int height 
) 
 287     wxASSERT_MSG( (m_widget 
!= NULL
), wxT("invalid frame") ); 
 289 #if wxUSE_MENUS_NATIVE 
 293             if (!m_menuBarDetached
) 
 294                 height 
+= m_menuBarHeight
; 
 296                 height 
+= wxPLACE_HOLDER
; 
 298 #endif // wxUSE_MENUS_NATIVE 
 302         if (m_frameStatusBar 
&& m_frameStatusBar
->IsShown()) height 
+= wxSTATUS_HEIGHT
; 
 307         if (m_frameToolBar 
&& m_frameToolBar
->IsShown()) 
 309             if (m_toolBarDetached
) 
 311                 height 
+= wxPLACE_HOLDER
; 
 316                 m_frameToolBar
->GetSize( &x
, &y 
); 
 317                 if ( m_frameToolBar
->GetWindowStyle() & wxTB_VERTICAL 
) 
 329     wxTopLevelWindow::DoSetClientSize( width
, height 
); 
 332 void wxFrame::GtkOnSize( int WXUNUSED(x
), int WXUNUSED(y
), 
 333                          int width
, int height 
) 
 335     // due to a bug in gtk, x,y are always 0 
 340     if (m_resizing
) return; 
 343     // this shouldn't happen: wxFrame, wxMDIParentFrame and wxMDIChildFrame have m_wxwindow 
 344     wxASSERT_MSG( (m_wxwindow 
!= NULL
), wxT("invalid frame") ); 
 349     // space occupied by m_frameToolBar and m_frameMenuBar 
 350     int client_area_x_offset 
= 0, 
 351         client_area_y_offset 
= 0; 
 353     /* wxMDIChildFrame derives from wxFrame but it _is_ a wxWindow as it uses 
 354        wxWindow::Create to create it's GTK equivalent. m_mainWidget is only 
 355        set in wxFrame::Create so it is used to check what kind of frame we 
 356        have here. if m_mainWidget is NULL it is a wxMDIChildFrame and so we 
 357        skip the part which handles m_frameMenuBar, m_frameToolBar and (most 
 358        importantly) m_mainWidget */ 
 360     int minWidth 
= GetMinWidth(), 
 361         minHeight 
= GetMinHeight(), 
 362         maxWidth 
= GetMaxWidth(), 
 363         maxHeight 
= GetMaxHeight(); 
 365     if ((minWidth 
!= -1) && (m_width 
< minWidth
)) m_width 
= minWidth
; 
 366     if ((minHeight 
!= -1) && (m_height 
< minHeight
)) m_height 
= minHeight
; 
 367     if ((maxWidth 
!= -1) && (m_width 
> maxWidth
)) m_width 
= maxWidth
; 
 368     if ((maxHeight 
!= -1) && (m_height 
> maxHeight
)) m_height 
= maxHeight
; 
 373         gint flag 
= 0; // GDK_HINT_POS; 
 374         if ((minWidth 
!= -1) || (minHeight 
!= -1)) flag 
|= GDK_HINT_MIN_SIZE
; 
 375         if ((maxWidth 
!= -1) || (maxHeight 
!= -1)) flag 
|= GDK_HINT_MAX_SIZE
; 
 377         geom
.min_width 
= minWidth
; 
 378         geom
.min_height 
= minHeight
; 
 379         geom
.max_width 
= maxWidth
; 
 380         geom
.max_height 
= maxHeight
; 
 381         gtk_window_set_geometry_hints( GTK_WINDOW(m_widget
), 
 384                                        (GdkWindowHints
) flag 
); 
 386         // I revert back to wxGTK's original behaviour. m_mainWidget holds 
 387         // the menubar, the toolbar and the client area, which is represented 
 389         // This hurts in the eye, but I don't want to call SetSize() 
 390         // because I don't want to call any non-native functions here. 
 392 #if wxUSE_MENUS_NATIVE 
 396             int yy 
= m_miniEdge 
+ m_miniTitle
; 
 397             int ww 
= m_width  
- 2*m_miniEdge
; 
 398             int hh 
= m_menuBarHeight
; 
 399             if (m_menuBarDetached
) hh 
= wxPLACE_HOLDER
; 
 400             m_frameMenuBar
->m_x 
= xx
; 
 401             m_frameMenuBar
->m_y 
= yy
; 
 402             m_frameMenuBar
->m_width 
= ww
; 
 403             m_frameMenuBar
->m_height 
= hh
; 
 404             gtk_pizza_set_size( GTK_PIZZA(m_mainWidget
), 
 405                                   m_frameMenuBar
->m_widget
, 
 407             client_area_y_offset 
+= hh
; 
 409 #endif // wxUSE_MENUS_NATIVE 
 412         if ((m_frameToolBar
) && m_frameToolBar
->IsShown() && 
 413             (m_frameToolBar
->m_widget
->parent 
== m_mainWidget
)) 
 416             int yy 
= m_miniEdge 
+ m_miniTitle
; 
 417 #if wxUSE_MENUS_NATIVE 
 420                 if (!m_menuBarDetached
) 
 421                     yy 
+= m_menuBarHeight
; 
 423                     yy 
+= wxPLACE_HOLDER
; 
 425 #endif // wxUSE_MENUS_NATIVE 
 427             m_frameToolBar
->m_x 
= xx
; 
 428             m_frameToolBar
->m_y 
= yy
; 
 430             // don't change the toolbar's reported height/width 
 432             if ( m_frameToolBar
->GetWindowStyle() & wxTB_VERTICAL 
) 
 434                 ww 
= m_toolBarDetached 
? wxPLACE_HOLDER
 
 435                                        : m_frameToolBar
->m_width
; 
 436                 hh 
= m_height 
- 2*m_miniEdge
; 
 438                 client_area_x_offset 
+= ww
; 
 442                 ww 
= m_width 
- 2*m_miniEdge
; 
 443                 hh 
= m_toolBarDetached 
? wxPLACE_HOLDER
 
 444                                        : m_frameToolBar
->m_height
; 
 446                 client_area_y_offset 
+= hh
; 
 449             gtk_pizza_set_size( GTK_PIZZA(m_mainWidget
), 
 450                                   m_frameToolBar
->m_widget
, 
 453 #endif // wxUSE_TOOLBAR 
 455         int client_x 
= client_area_x_offset 
+ m_miniEdge
; 
 456         int client_y 
= client_area_y_offset 
+ m_miniEdge 
+ m_miniTitle
; 
 457         int client_w 
= m_width 
- client_area_x_offset 
- 2*m_miniEdge
; 
 458         int client_h 
= m_height 
- client_area_y_offset
- 2*m_miniEdge 
- m_miniTitle
; 
 459         gtk_pizza_set_size( GTK_PIZZA(m_mainWidget
), 
 461                               client_x
, client_y
, client_w
, client_h 
); 
 465         // If there is no m_mainWidget between m_widget and m_wxwindow there 
 466         // is no need to set the size or position of m_wxwindow. 
 470     if (m_frameStatusBar 
&& m_frameStatusBar
->IsShown()) 
 472         int xx 
= 0 + m_miniEdge
; 
 473         int yy 
= m_height 
- wxSTATUS_HEIGHT 
- m_miniEdge 
- client_area_y_offset
; 
 474         int ww 
= m_width 
- 2*m_miniEdge
; 
 475         int hh 
= wxSTATUS_HEIGHT
; 
 476         m_frameStatusBar
->m_x 
= xx
; 
 477         m_frameStatusBar
->m_y 
= yy
; 
 478         m_frameStatusBar
->m_width 
= ww
; 
 479         m_frameStatusBar
->m_height 
= hh
; 
 480         gtk_pizza_set_size( GTK_PIZZA(m_wxwindow
), 
 481                             m_frameStatusBar
->m_widget
, 
 483         if (GTK_WIDGET_DRAWABLE (m_frameStatusBar
->m_widget
)) 
 485             gtk_widget_queue_draw (m_frameStatusBar
->m_widget
); 
 486             // FIXME: Do we really want to force an immediate redraw? 
 487             gdk_window_process_updates (m_frameStatusBar
->m_widget
->window
, TRUE
); 
 490 #endif // wxUSE_STATUSBAR 
 494     // send size event to frame 
 495     wxSizeEvent 
event( wxSize(m_width
,m_height
), GetId() ); 
 496     event
.SetEventObject( this ); 
 497     GetEventHandler()->ProcessEvent( event 
); 
 500     // send size event to status bar 
 501     if (m_frameStatusBar
) 
 503         wxSizeEvent 
event2( wxSize(m_frameStatusBar
->m_width
,m_frameStatusBar
->m_height
), m_frameStatusBar
->GetId() ); 
 504         event2
.SetEventObject( m_frameStatusBar 
); 
 505         m_frameStatusBar
->GetEventHandler()->ProcessEvent( event2 
); 
 507 #endif // wxUSE_STATUSBAR 
 512 void wxFrame::OnInternalIdle() 
 514     wxFrameBase::OnInternalIdle(); 
 516 #if wxUSE_MENUS_NATIVE 
 517     if (m_frameMenuBar
) m_frameMenuBar
->OnInternalIdle(); 
 518 #endif // wxUSE_MENUS_NATIVE 
 520     if (m_frameToolBar
) m_frameToolBar
->OnInternalIdle(); 
 523     if (m_frameStatusBar
) 
 525         m_frameStatusBar
->OnInternalIdle(); 
 527         // There may be controls in the status bar that 
 528         // need to be updated 
 529         for ( wxWindowList::compatibility_iterator node 
= m_frameStatusBar
->GetChildren().GetFirst(); 
 531           node 
= node
->GetNext() ) 
 533             wxWindow 
*child 
= node
->GetData(); 
 534             child
->OnInternalIdle(); 
 540 // ---------------------------------------------------------------------------- 
 541 // menu/tool/status bar stuff 
 542 // ---------------------------------------------------------------------------- 
 544 #if wxUSE_MENUS_NATIVE 
 546 void wxFrame::DetachMenuBar() 
 548     wxASSERT_MSG( (m_widget 
!= NULL
), wxT("invalid frame") ); 
 549     wxASSERT_MSG( (m_wxwindow 
!= NULL
), wxT("invalid frame") ); 
 551     if ( m_frameMenuBar 
) 
 553         m_frameMenuBar
->UnsetInvokingWindow( this ); 
 555         if (m_frameMenuBar
->GetWindowStyle() & wxMB_DOCKABLE
) 
 557             g_signal_handlers_disconnect_by_func (m_frameMenuBar
->m_widget
, 
 558                     (gpointer
) gtk_menu_attached_callback
, 
 561             g_signal_handlers_disconnect_by_func (m_frameMenuBar
->m_widget
, 
 562                     (gpointer
) gtk_menu_detached_callback
, 
 566         gtk_widget_ref( m_frameMenuBar
->m_widget 
); 
 568         gtk_container_remove( GTK_CONTAINER(m_mainWidget
), m_frameMenuBar
->m_widget 
); 
 571     wxFrameBase::DetachMenuBar(); 
 574 void wxFrame::AttachMenuBar( wxMenuBar 
*menuBar 
) 
 576     wxFrameBase::AttachMenuBar(menuBar
); 
 580         m_frameMenuBar
->SetInvokingWindow( this ); 
 582         m_frameMenuBar
->SetParent(this); 
 583         gtk_pizza_put( GTK_PIZZA(m_mainWidget
), 
 584                 m_frameMenuBar
->m_widget
, 
 587                 m_frameMenuBar
->m_width
, 
 588                 m_frameMenuBar
->m_height 
); 
 590         if (menuBar
->GetWindowStyle() & wxMB_DOCKABLE
) 
 592             g_signal_connect (menuBar
->m_widget
, "child_attached", 
 593                               G_CALLBACK (gtk_menu_attached_callback
), 
 595             g_signal_connect (menuBar
->m_widget
, "child_detached", 
 596                               G_CALLBACK (gtk_menu_detached_callback
), 
 600         gtk_widget_show( m_frameMenuBar
->m_widget 
); 
 607         GtkUpdateSize();        // resize window in OnInternalIdle 
 611 void wxFrame::UpdateMenuBarSize() 
 618     // this is called after Remove with a NULL m_frameMenuBar 
 619     if ( m_frameMenuBar 
) 
 620         (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_frameMenuBar
->m_widget
) )->size_request 
) 
 621             (m_frameMenuBar
->m_widget
, &req 
); 
 623     m_menuBarHeight 
= req
.height
; 
 625     // resize window in OnInternalIdle 
 630 #endif // wxUSE_MENUS_NATIVE 
 634 wxToolBar
* wxFrame::CreateToolBar( long style
, wxWindowID id
, const wxString
& name 
) 
 636     wxASSERT_MSG( (m_widget 
!= NULL
), wxT("invalid frame") ); 
 638     m_insertInClientArea 
= false; 
 640     m_frameToolBar 
= wxFrameBase::CreateToolBar( style
, id
, name 
); 
 642     m_insertInClientArea 
= true; 
 646     return m_frameToolBar
; 
 649 void wxFrame::SetToolBar(wxToolBar 
*toolbar
) 
 651     bool hadTbar 
= m_frameToolBar 
!= NULL
; 
 653     wxFrameBase::SetToolBar(toolbar
); 
 655     if ( m_frameToolBar 
) 
 657         // insert into toolbar area if not already there 
 658         if ((m_frameToolBar
->m_widget
->parent
) && 
 659             (m_frameToolBar
->m_widget
->parent 
!= m_mainWidget
)) 
 661             GetChildren().DeleteObject( m_frameToolBar 
); 
 663             gtk_widget_reparent( m_frameToolBar
->m_widget
, m_mainWidget 
); 
 667     else // toolbar unset 
 669         // still need to update size if it had been there before 
 677 #endif // wxUSE_TOOLBAR 
 681 wxStatusBar
* wxFrame::CreateStatusBar(int number
, 
 684                                       const wxString
& name
) 
 686     wxASSERT_MSG( (m_widget 
!= NULL
), wxT("invalid frame") ); 
 688     // because it will change when toolbar is added 
 691     return wxFrameBase::CreateStatusBar( number
, style
, id
, name 
); 
 694 void wxFrame::SetStatusBar(wxStatusBar 
*statbar
) 
 696     bool hadStatBar 
= m_frameStatusBar 
!= NULL
; 
 698     wxFrameBase::SetStatusBar(statbar
); 
 700     if (hadStatBar 
&& !m_frameStatusBar
) 
 704 void wxFrame::PositionStatusBar() 
 706     if ( !m_frameStatusBar 
) 
 711 #endif // wxUSE_STATUSBAR