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_SIZE(wxFrame::OnSize)
  69   EVT_CLOSE(wxFrame::OnCloseWindow)
  70   EVT_IDLE(wxFrame::OnIdle)
  71 END_EVENT_TABLE()
  72
  73 IMPLEMENT_DYNAMIC_CLASS(wxFrame,wxWindow)
  74
  75 wxFrame::wxFrame()
  76 {
  77   m_doingOnSize = FALSE;
  78   m_frameMenuBar = NULL;
  79   m_frameStatusBar = NULL;
  80   m_frameToolBar = NULL;
  81   m_sizeSet = FALSE;
  82   m_addPrivateChild = FALSE;
  83   wxTopLevelWindows.Insert( this );
  84 };
  85
  86 wxFrame::wxFrame( wxWindow *parent, wxWindowID id, const wxString &title,
  87       const wxPoint &pos, const wxSize &size,
  88       long style, const wxString &name )
  89 {
  90   m_doingOnSize = FALSE;
  91   m_frameMenuBar = NULL;
  92   m_frameStatusBar = NULL;
  93   m_frameToolBar = NULL;
  94   m_sizeSet = FALSE;
  95   m_addPrivateChild = FALSE;
  96   Create( parent, id, title, pos, size, style, name );
  97   wxTopLevelWindows.Insert( this );
  98 };
  99
 100 bool wxFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 101       const wxPoint &pos, const wxSize &size,
 102       long style, const wxString &name )
 103 {
 104   m_needParent = FALSE;
 105   m_mainWindow = NULL;
 106   m_wxwindow = NULL;
 107
 108   PreCreation( parent, id, pos, size, style, name );
 109
 110   m_doingOnSize = FALSE;
 111
 112   m_title = title;
 113
 114   m_widget = gtk_window_new( GTK_WINDOW_TOPLEVEL );
 115   if ((size.x != -1) && (size.y != -1))
 116     gtk_widget_set_usize( m_widget, m_width, m_height );
 117   if ((pos.x != -1) && (pos.y != -1))
 118     gtk_widget_set_uposition( m_widget, m_x, m_y );
 119
 120   gtk_window_set_title( GTK_WINDOW(m_widget), title );
 121   GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 122
 123   gtk_widget_set( m_widget, "GtkWindow::allow_shrink", TRUE, NULL);
 124
 125   gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 126     GTK_SIGNAL_FUNC(gtk_frame_delete_callback), (gpointer)this );
 127
 128   m_mainWindow = gtk_myfixed_new();
 129   gtk_widget_show( m_mainWindow );
 130   GTK_WIDGET_UNSET_FLAGS( m_mainWindow, GTK_CAN_FOCUS );
 131
 132   gtk_container_add( GTK_CONTAINER(m_widget), m_mainWindow );
 133   gtk_widget_set_uposition( m_mainWindow, 0, 0 );
 134
 135   m_wxwindow = gtk_myfixed_new();
 136   gtk_widget_show( m_wxwindow );
 137   GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 138
 139   gtk_container_add( GTK_CONTAINER(m_mainWindow), m_wxwindow );
 140
 141   gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
 142     GTK_SIGNAL_FUNC(gtk_frame_size_callback), (gpointer)this );
 143
 144   PostCreation();
 145
 146   gtk_widget_realize( m_mainWindow );
 147
 148   return TRUE;
 149 };
 150
 151 wxFrame::~wxFrame()
 152 {
 153   if (m_frameMenuBar) delete m_frameMenuBar;
 154   if (m_frameStatusBar) delete m_frameStatusBar;
 155
 156 //  if (m_mainWindow) gtk_widget_destroy( m_mainWindow );
 157
 158   wxTopLevelWindows.DeleteObject( this );
 159   if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
 160 };
 161
 162 bool wxFrame::Show( bool show )
 163 {
 164   if (show)
 165   {
 166     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 167     m_sizeSet = FALSE;
 168     ProcessEvent( event );
 169   };
 170   return wxWindow::Show( show );
 171 };
 172
 173 void wxFrame::Enable( bool enable )
 174 {
 175   wxWindow::Enable( enable );
 176   gtk_widget_set_sensitive( m_mainWindow, enable );
 177 };
 178
 179 void wxFrame::OnCloseWindow( wxCloseEvent &event )
 180 {
 181     if ( GetEventHandler()->OnClose() || event.GetForce())
 182     {
 183         this->Destroy();
 184     }
 185 };
 186
 187 bool wxFrame::Destroy()
 188 {
 189   if (!wxPendingDelete.Member(this))
 190     wxPendingDelete.Append(this);
 191
 192   return TRUE;
 193 }
 194
 195 void wxFrame::GetClientSize( int *width, int *height ) const
 196 {
 197   wxWindow::GetClientSize( width, height );
 198   if (height)
 199   {
 200     if (m_frameMenuBar) (*height) -= wxMENU_HEIGHT;
 201     if (m_frameStatusBar) (*height) -= wxSTATUS_HEIGHT;
 202     if (m_frameToolBar)
 203     {
 204       int y = 0;
 205       m_frameToolBar->GetSize( NULL, &y );
 206       (*height) -= y;
 207     }
 208   };
 209 };
 210
 211 void wxFrame::GtkOnSize( int x, int y, int width, int height )
 212 {
 213   m_x = x;
 214   m_y = y;
 215
 216   if ((m_height == height) && (m_width == width) &&
 217       (m_sizeSet)) return;
 218   if (!m_mainWindow) return;
 219   if (!m_wxwindow) return;
 220
 221   m_width = width;
 222   m_height = height;
 223
 224   gtk_widget_set_usize( m_widget, width, height );
 225
 226   int main_x = 0;
 227   int main_y = 0;
 228   int main_height = height;
 229   int main_width = width;
 230
 231   // This emulates Windows behaviour:
 232   // The menu bar is part of the main window, but the status bar
 233   // is on the implementation side in the client area. The
 234   // function GetClientSize returns the size of the client area
 235   // minus the status bar height. Under wxGTK, the main window
 236   // is represented by m_mainWindow. The menubar is inserted
 237   // into m_mainWindow whereas the statusbar is insertes into
 238   // m_wxwindow just like any other window.
 239
 240 //  not really needed
 241   gtk_widget_set_usize( m_mainWindow, width, height );
 242
 243   if (m_frameMenuBar)
 244   {
 245     main_y = wxMENU_HEIGHT;
 246     main_height -= wxMENU_HEIGHT;
 247   };
 248
 249   int toolbar_height = 0;
 250   if (m_frameToolBar) m_frameToolBar->GetSize( NULL, &toolbar_height );
 251
 252   main_y += toolbar_height;
 253   main_height -= toolbar_height;
 254
 255   gtk_widget_set_uposition( GTK_WIDGET(m_wxwindow), main_x, main_y );
 256   gtk_widget_set_usize( GTK_WIDGET(m_wxwindow), main_width, main_height );
 257
 258   if (m_frameMenuBar)
 259   {
 260     gtk_widget_set_uposition( m_frameMenuBar->m_widget, 1, 1 );
 261     gtk_widget_set_usize( m_frameMenuBar->m_widget, width-2, wxMENU_HEIGHT-2 );
 262   };
 263
 264   if (m_frameToolBar)
 265   {
 266     gtk_widget_set_uposition( m_frameToolBar->m_widget, 1, wxMENU_HEIGHT );
 267     gtk_widget_set_usize( m_frameToolBar->m_widget, width-2, toolbar_height );
 268   };
 269
 270   if (m_frameStatusBar)
 271   {
 272     m_frameStatusBar->SetSize( 0, main_height-wxSTATUS_HEIGHT, width, wxSTATUS_HEIGHT );
 273   };
 274
 275   m_sizeSet = TRUE;
 276
 277   wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 278   event.SetEventObject( this );
 279   ProcessEvent( event );
 280 };
 281
 282 void wxFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
 283 {
 284   if ( GetAutoLayout() )
 285     Layout();
 286   else {
 287     // no child: go out !
 288     if (!GetChildren()->First())
 289       return;
 290
 291     // do we have exactly one child?
 292     wxWindow *child = NULL;
 293     for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 294     {
 295       wxWindow *win = (wxWindow *)node->Data();
 296       if (!win->IsKindOf(CLASSINFO(wxFrame)) &&
 297           !win->IsKindOf(CLASSINFO(wxDialog))
 298 #if 0  // not in m_children anyway
 299           && (win != m_frameMenuBar) &&
 300              (win != m_frameToolBar) &&
 301              (win != m_frameStatusBar)
 302 #endif
 303          )
 304       {
 305         if ( child )  // it's the second one: do nothing
 306           return;
 307
 308         child = win;
 309       };
 310     };
 311
 312     // yes: set it's size to fill all the frame
 313     int client_x, client_y;
 314     GetClientSize(&client_x, &client_y);
 315     child->SetSize( 1, 1, client_x-2, client_y);
 316   }
 317 };
 318
 319 void wxFrame::AddChild( wxWindow *child )
 320 {
 321   if (m_addPrivateChild)
 322   {
 323     gtk_myfixed_put( GTK_MYFIXED(m_mainWindow), child->m_widget, child->m_x, child->m_y );
 324
 325     gtk_widget_set_usize( child->m_widget, child->m_width, child->m_height );
 326   }
 327   else
 328   {
 329     m_children.Append( child );
 330
 331     if (m_wxwindow)
 332       gtk_myfixed_put( GTK_MYFIXED(m_wxwindow), child->m_widget, child->m_x, child->m_y );
 333
 334     gtk_widget_set_usize( child->m_widget, child->m_width, child->m_height );
 335   }
 336 };
 337
 338 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 339 {
 340   menu->SetInvokingWindow( win );
 341   wxNode *node = menu->m_items.First();
 342   while (node)
 343   {
 344     wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 345     if (menuitem->IsSubMenu())
 346       SetInvokingWindow( menuitem->GetSubMenu(), win );
 347     node = node->Next();
 348   };
 349 };
 350
 351 void wxFrame::SetMenuBar( wxMenuBar *menuBar )
 352 {
 353   m_frameMenuBar = menuBar;
 354
 355   if (m_frameMenuBar)
 356   {
 357     if (m_frameMenuBar->m_parent != this)
 358     {
 359       wxNode *node = m_frameMenuBar->m_menus.First();
 360       while (node)
 361       {
 362         wxMenu *menu = (wxMenu*)node->Data();
 363         SetInvokingWindow( menu, this );
 364         node = node->Next();
 365       };
 366
 367       m_frameMenuBar->m_parent = this;
 368       gtk_myfixed_put( GTK_MYFIXED(m_mainWindow),
 369         m_frameMenuBar->m_widget, m_frameMenuBar->m_x, m_frameMenuBar->m_y );
 370     }
 371   }
 372 };
 373
 374 wxMenuBar *wxFrame::GetMenuBar(void)
 375 {
 376   return m_frameMenuBar;
 377 };
 378
 379 wxToolBar *wxFrame::CreateToolBar( int style, int WXUNUSED(orientation), int WXUNUSED(rowsOrColumns) )
 380 {
 381   m_addPrivateChild = TRUE;
 382
 383   m_frameToolBar = new wxToolBar( this, -1, wxDefaultPosition, wxDefaultSize, style );
 384
 385   m_addPrivateChild = FALSE;
 386
 387   return m_frameToolBar;
 388 };
 389
 390 wxToolBar *wxFrame::GetToolBar(void)
 391 {
 392   return m_frameToolBar;
 393 };
 394
 395 bool wxFrame::CreateStatusBar( int number )
 396 {
 397   if (m_frameStatusBar)
 398   delete m_frameStatusBar;
 399
 400   m_frameStatusBar = new wxStatusBar( this, -1, wxPoint(0,0), wxSize(100,20) );
 401
 402   m_frameStatusBar->SetFieldsCount( number );
 403   return TRUE;
 404 };
 405
 406 void wxFrame::SetStatusText( const wxString &text, int number )
 407 {
 408   if (m_frameStatusBar) m_frameStatusBar->SetStatusText( text, number );
 409 };
 410
 411 void wxFrame::SetStatusWidths( int n, int *width )
 412 {
 413   if (m_frameStatusBar) m_frameStatusBar->SetStatusWidths( n, width );
 414 };
 415
 416 wxStatusBar *wxFrame::GetStatusBar(void)
 417 {
 418   return m_frameStatusBar;
 419 };
 420
 421 void wxFrame::SetTitle( const wxString &title )
 422 {
 423   m_title = title;
 424   gtk_window_set_title( GTK_WINDOW(m_widget), title );
 425 };
 426
 427 void wxFrame::SetSizeHints(int minW, int minH, int maxW, int maxH, int WXUNUSED(incW) )
 428 {
 429   if (m_wxwindow)
 430     gdk_window_set_hints( m_wxwindow->window, -1, -1,
 431                           minW, minH, maxW, maxH, GDK_HINT_MIN_SIZE | GDK_HINT_MIN_SIZE );
 432 }