src/gtk/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        frame.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "frame.h"
  13 #endif
  14
  15 #include "wx/frame.h"
  16 #include "wx/dialog.h"
  17 #include "wx/control.h"
  18 #include "wx/app.h"
  19 #include "wx/gtk/win_gtk.h"
  20
  21 const wxMENU_HEIGHT    = 28;
  22 const wxSTATUS_HEIGHT  = 25;
  23
  24 extern wxList wxTopLevelWindows;
  25 extern wxList wxPendingDelete;
  26
  27 //-----------------------------------------------------------------------------
  28 // wxFrame
  29 //-----------------------------------------------------------------------------
  30
  31 //-----------------------------------------------------------------------------
  32 // size
  33
  34 void gtk_frame_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxFrame *win )
  35 {
  36   if (!win->HasVMT()) return;
  37
  38 /*
  39   printf( "OnFrameResize from " );
  40   if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  41     printf( win->GetClassInfo()->GetClassName() );
  42   printf( ".\n" );
  43 */
  44
  45   win->GtkOnSize( alloc->x, alloc->y, alloc->width, alloc->height );
  46 };
  47
  48 //-----------------------------------------------------------------------------
  49 // delete
  50
  51 bool gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxFrame *win )
  52 {
  53 /*
  54   printf( "OnDelete from " );
  55   if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  56     printf( win->GetClassInfo()->GetClassName() );
  57   printf( ".\n" );
  58 */
  59
  60   win->Close();
  61
  62   return TRUE;
  63 };
  64
  65 //-----------------------------------------------------------------------------
  66
  67 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
  68   EVT_CLOSE(wxFrame::OnCloseWindow)
  69   EVT_SIZE(wxFrame::OnSize)
  70 END_EVENT_TABLE()
  71
  72 IMPLEMENT_DYNAMIC_CLASS(wxFrame,wxWindow)
  73
  74 wxFrame::wxFrame(void)
  75 {
  76   m_doingOnSize = FALSE;
  77   m_frameMenuBar = NULL;
  78   m_frameStatusBar = NULL;
  79   m_sizeSet = FALSE;
  80   wxTopLevelWindows.Insert( this );
  81 };
  82
  83 wxFrame::wxFrame( wxWindow *parent, wxWindowID id, const wxString &title,
  84       const wxPoint &pos, const wxSize &size,
  85       long style, const wxString &name )
  86 {
  87   m_sizeSet = FALSE;
  88   Create( parent, id, title, pos, size, style, name );
  89   wxTopLevelWindows.Insert( this );
  90 };
  91
  92 bool wxFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
  93       const wxPoint &pos, const wxSize &size,
  94       long style, const wxString &name )
  95 {
  96   m_needParent = FALSE;
  97   m_mainWindow = NULL;
  98   m_wxwindow = NULL;
  99
 100   PreCreation( parent, id, pos, size, style, name );
 101
 102   m_doingOnSize = FALSE;
 103
 104   m_title = title;
 105
 106   m_widget = gtk_window_new( GTK_WINDOW_TOPLEVEL );
 107   if ((size.x != -1) && (size.y != -1))
 108     gtk_widget_set_usize( m_widget, m_width, m_height );
 109   if ((pos.x != -1) && (pos.y != -1))
 110     gtk_widget_set_uposition( m_widget, m_x, m_y );
 111
 112   gtk_window_set_title( GTK_WINDOW(m_widget), title );
 113   GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 114
 115   gtk_widget_set( m_widget, "GtkWindow::allow_shrink", TRUE, NULL);
 116
 117   gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 118     GTK_SIGNAL_FUNC(gtk_frame_delete_callback), (gpointer)this );
 119
 120   m_mainWindow = gtk_myfixed_new();
 121   gtk_widget_show( m_mainWindow );
 122   GTK_WIDGET_UNSET_FLAGS( m_mainWindow, GTK_CAN_FOCUS );
 123
 124   gtk_container_add( GTK_CONTAINER(m_widget), m_mainWindow );
 125   gtk_widget_set_uposition( m_mainWindow, 0, 0 );
 126
 127   m_wxwindow = gtk_myfixed_new();
 128   gtk_widget_show( m_wxwindow );
 129   GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 130
 131   gtk_container_add( GTK_CONTAINER(m_mainWindow), m_wxwindow );
 132
 133   m_frameMenuBar = NULL;
 134   m_frameStatusBar = NULL;
 135
 136   gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
 137     GTK_SIGNAL_FUNC(gtk_frame_size_callback), (gpointer)this );
 138
 139   PostCreation();
 140
 141   gtk_widget_realize( m_mainWindow );
 142
 143   return TRUE;
 144 };
 145
 146 wxFrame::~wxFrame(void)
 147 {
 148   if (m_frameMenuBar) delete m_frameMenuBar;
 149   if (m_frameStatusBar) delete m_frameStatusBar;
 150
 151 //  if (m_mainWindow) gtk_widget_destroy( m_mainWindow );
 152
 153   wxTopLevelWindows.DeleteObject( this );
 154   if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
 155 };
 156
 157 bool wxFrame::Show( bool show )
 158 {
 159   if (show)
 160   {
 161     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 162     m_sizeSet = FALSE;
 163     ProcessEvent( event );
 164   };
 165   return wxWindow::Show( show );
 166 };
 167
 168 void wxFrame::Enable( bool enable )
 169 {
 170   wxWindow::Enable( enable );
 171   gtk_widget_set_sensitive( m_mainWindow, enable );
 172 };
 173
 174 void wxFrame::OnCloseWindow( wxCloseEvent& WXUNUSED(event) )
 175 {
 176   this->Destroy();
 177 };
 178
 179 bool wxFrame::Destroy(void)
 180 {
 181   if (!wxPendingDelete.Member(this))
 182     wxPendingDelete.Append(this);
 183
 184   return TRUE;
 185 }
 186
 187 void wxFrame::GetClientSize( int *width, int *height ) const
 188 {
 189   wxWindow::GetClientSize( width, height );
 190   if (height)
 191   {
 192     if (m_frameMenuBar) (*height) -= wxMENU_HEIGHT;
 193     if (m_frameStatusBar) (*height) -= wxSTATUS_HEIGHT;
 194   };
 195 };
 196
 197 void wxFrame::GtkOnSize( int x, int y, int width, int height )
 198 {
 199   m_x = x;
 200   m_y = y;
 201
 202   if ((m_height == height) && (m_width == width) &&
 203       (m_sizeSet)) return;
 204   if (!m_mainWindow) return;
 205   if (!m_wxwindow) return;
 206
 207   m_width = width;
 208   m_height = height;
 209
 210   gtk_widget_set_usize( m_widget, width, height );
 211
 212   int main_x = 0;
 213   int main_y = 0;
 214   int main_height = height;
 215   int main_width = width;
 216
 217   // This emulates Windows behaviour:
 218   // The menu bar is part of the main window, but the status bar
 219   // is on the implementation side in the client area. The
 220   // function GetClientSize returns the size of the client area
 221   // minus the status bar height. Under wxGTK, the main window
 222   // is represented by m_mainWindow. The menubar is inserted
 223   // into m_mainWindow whereas the statusbar is insertes into
 224   // m_wxwindow just like any other window.
 225
 226 //  not really needed
 227   gtk_widget_set_usize( m_mainWindow, width, height );
 228
 229   if (m_frameMenuBar)
 230   {
 231     main_y = wxMENU_HEIGHT;
 232     main_height -= wxMENU_HEIGHT;
 233   };
 234
 235   gtk_widget_set_uposition( GTK_WIDGET(m_wxwindow), main_x, main_y );
 236   gtk_widget_set_usize( GTK_WIDGET(m_wxwindow), main_width, main_height );
 237
 238   if (m_frameMenuBar)
 239   {
 240     gtk_widget_set_uposition( m_frameMenuBar->m_widget, 1, 1 );
 241     gtk_widget_set_usize( m_frameMenuBar->m_widget, width-2, wxMENU_HEIGHT-2 );
 242   };
 243
 244   if (m_frameStatusBar)
 245   {
 246     m_frameStatusBar->SetSize( 0, main_height-wxSTATUS_HEIGHT, width, wxSTATUS_HEIGHT );
 247   };
 248
 249   m_sizeSet = TRUE;
 250
 251   wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 252   event.SetEventObject( this );
 253   ProcessEvent( event );
 254 };
 255
 256 void wxFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
 257 {
 258   if ( GetAutoLayout() )
 259     Layout();
 260   else {
 261     // do we have exactly one child?
 262     wxWindow *child = NULL;
 263     for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 264     {
 265       wxWindow *win = (wxWindow *)node->Data();
 266       if (!win->IsKindOf(CLASSINFO(wxFrame)) &&
 267           !win->IsKindOf(CLASSINFO(wxDialog))
 268 #if 0 // not in m_children anyway
 269           && (win != m_frameMenuBar) &&
 270              (win != m_frameStatusBar)
 271 #endif
 272          )
 273       {
 274         if ( child )  // it's the second one: do nothing
 275           return;
 276
 277         child = win;
 278       };
 279     };
 280
 281     // yes: set it's size to fill all the frame
 282     int client_x, client_y;
 283     GetClientSize(&client_x, &client_y);
 284     child->SetSize( 1, 1, client_x-2, client_y);
 285   }
 286 };
 287
 288 void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 289 {
 290   menu->SetInvokingWindow( win );
 291   wxNode *node = menu->m_items.First();
 292   while (node)
 293   {
 294     wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 295     if (menuitem->m_isSubMenu) SetInvokingWindow( menuitem->m_subMenu, win );
 296     node = node->Next();
 297   };
 298 };
 299
 300 void wxFrame::SetMenuBar( wxMenuBar *menuBar )
 301 {
 302   m_frameMenuBar = menuBar;
 303
 304   wxNode *node = m_frameMenuBar->m_menus.First();
 305   while (node)
 306   {
 307     wxMenu *menu = (wxMenu*)node->Data();
 308     SetInvokingWindow( menu, this );
 309     node = node->Next();
 310   };
 311
 312   m_frameMenuBar->m_parent = this;
 313   gtk_myfixed_put( GTK_MYFIXED(m_mainWindow),
 314     m_frameMenuBar->m_widget, m_frameMenuBar->m_x, m_frameMenuBar->m_y );
 315 };
 316
 317 bool wxFrame::CreateStatusBar( int number )
 318 {
 319   if (m_frameStatusBar)
 320   delete m_frameStatusBar;
 321
 322   m_frameStatusBar = new wxStatusBar( this, -1, wxPoint(0,0), wxSize(100,20) );
 323
 324   m_frameStatusBar->SetFieldsCount( number );
 325   return TRUE;
 326 };
 327
 328 void wxFrame::SetStatusText( const wxString &text, int number )
 329 {
 330   if (m_frameStatusBar) m_frameStatusBar->SetStatusText( text, number );
 331 };
 332
 333 void wxFrame::SetStatusWidths( int n, int *width )
 334 {
 335   if (m_frameStatusBar) m_frameStatusBar->SetStatusWidths( n, width );
 336 };
 337
 338 wxStatusBar *wxFrame::GetStatusBar(void)
 339 {
 340   return m_frameStatusBar;
 341 };
 342
 343 wxMenuBar *wxFrame::GetMenuBar(void)
 344 {
 345   return m_frameMenuBar;
 346 };
 347
 348 void wxFrame::SetTitle( const wxString &title )
 349 {
 350   m_title = title;
 351   gtk_window_set_title( GTK_WINDOW(m_widget), title );
 352 };
 353
 354 wxString wxFrame::GetTitle(void) const
 355 {
 356   return (wxString&)m_title;
 357 };
 358