src/gtk/mdi.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        mdi.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 "mdi.h"
  13 #endif
  14
  15 #include "wx/mdi.h"
  16 #include "wx/gtk/win_gtk.h"
  17
  18 //-----------------------------------------------------------------------------
  19
  20 extern wxList wxPendingDelete;
  21
  22 //-----------------------------------------------------------------------------
  23 // wxMDIParentFrame
  24 //-----------------------------------------------------------------------------
  25
  26 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
  27 {
  28   if ((win->m_x == alloc->x) &&
  29       (win->m_y == alloc->y) &&
  30       (win->m_width == alloc->width) &&
  31       (win->m_height == alloc->height))
  32   {
  33     return;
  34   };
  35
  36   win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
  37 };
  38
  39 // page change callback
  40 static void gtk_page_change_callback( GtkNotebook *WXUNUSED(widget),
  41                                       GtkNotebookPage *page,
  42                                       gint WXUNUSED(nPage),
  43                                       wxMDIClientWindow *client_win )
  44 {
  45   wxNode *node = client_win->m_children.First();
  46   while (node)
  47   {
  48     wxMDIChildFrame *child_frame = (wxMDIChildFrame *)node->Data();
  49     if (child_frame->m_page == page)
  50     {
  51       wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)client_win->m_parent;
  52       mdi_frame->m_currentChild = child_frame;
  53       mdi_frame->SetMDIMenuBar( child_frame->m_menuBar );
  54       return;
  55     };
  56     node = node->Next();
  57   }
  58 }
  59
  60 //-----------------------------------------------------------------------------
  61
  62 IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame,wxFrame)
  63
  64 BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
  65 END_EVENT_TABLE()
  66
  67 wxMDIParentFrame::wxMDIParentFrame(void)
  68 {
  69   m_clientWindow = NULL;
  70   m_currentChild = NULL;
  71   m_parentFrameActive = TRUE;
  72   m_toolBar = NULL;
  73 };
  74
  75 wxMDIParentFrame::wxMDIParentFrame( wxWindow *parent,
  76       wxWindowID id, const wxString& title,
  77       const wxPoint& pos, const wxSize& size,
  78       long style, const wxString& name )
  79 {
  80   m_clientWindow = NULL;
  81   m_currentChild = NULL;
  82   m_parentFrameActive = TRUE;
  83   m_toolBar = NULL;
  84   Create( parent, id, title, pos, size, style, name );
  85 };
  86
  87 wxMDIParentFrame::~wxMDIParentFrame(void)
  88 {
  89 };
  90
  91 bool wxMDIParentFrame::Create( wxWindow *parent,
  92       wxWindowID id, const wxString& title,
  93       const wxPoint& pos, const wxSize& size,
  94       long style, const wxString& name )
  95 {
  96   wxFrame::Create( parent, id, title, pos, size, style, name );
  97
  98   OnCreateClient();
  99
 100   return TRUE;
 101 };
 102
 103 void wxMDIParentFrame::GtkOnSize( int x, int y, int width, int height )
 104 {
 105   wxFrame::GtkOnSize( x, y, width, height );
 106
 107   if (m_mdiMenuBar)
 108   {
 109     int x = 0;
 110     int y = 0;
 111     GetClientSize( &x, &y );
 112     m_mdiMenuBar->SetSize( 1, 1, x-2, 26 );
 113   }
 114 };
 115
 116 void wxMDIParentFrame::SetMDIMenuBar( wxMenuBar *menu_bar )
 117 {
 118   if (m_mdiMenuBar) m_mdiMenuBar->Show( FALSE );
 119   m_mdiMenuBar = menu_bar;
 120   if (m_mdiMenuBar)
 121   {
 122     int x = 0;
 123     int y = 0;
 124     GetClientSize( &x, &y );
 125     m_mdiMenuBar->SetSize( 1, 1, x-2, 26 );
 126     m_mdiMenuBar->Show( TRUE );
 127   }
 128 };
 129
 130 void wxMDIParentFrame::GetClientSize(int *width, int *height ) const
 131 {
 132   wxFrame::GetClientSize( width, height );
 133 };
 134
 135 void wxMDIParentFrame::SetToolBar( wxToolBar *toolbar )
 136 {
 137   m_toolBar = toolbar;
 138 };
 139
 140 wxWindow *wxMDIParentFrame::GetToolBar(void) const
 141 {
 142   return m_toolBar;
 143 };
 144
 145 wxMDIChildFrame *wxMDIParentFrame::GetActiveChild(void) const
 146 {
 147   return m_currentChild;
 148 };
 149
 150 wxMDIClientWindow *wxMDIParentFrame::GetClientWindow(void) const
 151 {
 152   return m_clientWindow;
 153 };
 154
 155 wxMDIClientWindow *wxMDIParentFrame::OnCreateClient(void)
 156 {
 157   m_clientWindow = new wxMDIClientWindow( this );
 158   return m_clientWindow;
 159 };
 160
 161 void wxMDIParentFrame::ActivateNext(void)
 162 {
 163   if (m_clientWindow)
 164     gtk_notebook_next_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
 165 };
 166
 167 void wxMDIParentFrame::ActivatePrevious(void)
 168 {
 169   if (m_clientWindow)
 170     gtk_notebook_prev_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
 171 };
 172
 173 void wxMDIParentFrame::OnActivate( wxActivateEvent& WXUNUSED(event) )
 174 {
 175 };
 176
 177 void wxMDIParentFrame::OnSysColourChanged( wxSysColourChangedEvent& WXUNUSED(event) )
 178 {
 179 };
 180
 181 //-----------------------------------------------------------------------------
 182 // wxMDIChildFrame
 183 //-----------------------------------------------------------------------------
 184
 185 IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame,wxPanel)
 186
 187 BEGIN_EVENT_TABLE(wxMDIChildFrame, wxPanel)
 188   EVT_CLOSE(wxMDIChildFrame::OnCloseWindow)
 189 END_EVENT_TABLE()
 190
 191 wxMDIChildFrame::wxMDIChildFrame(void)
 192 {
 193   m_menuBar = NULL;
 194   m_page = NULL;
 195 };
 196
 197 wxMDIChildFrame::wxMDIChildFrame( wxMDIParentFrame *parent,
 198       wxWindowID id, const wxString& title,
 199       const wxPoint& WXUNUSED(pos), const wxSize& size,
 200       long style, const wxString& name )
 201 {
 202   m_menuBar = NULL;
 203   m_page = NULL;
 204   Create( parent, id, title, wxDefaultPosition, size, style, name );
 205 };
 206
 207 wxMDIChildFrame::~wxMDIChildFrame(void)
 208 {
 209   if (m_menuBar)
 210   {
 211     wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->m_parent;
 212     if (mdi_frame->m_currentChild == this)
 213     {
 214       mdi_frame->SetMDIMenuBar( NULL );
 215       mdi_frame->m_currentChild = NULL;
 216     };
 217     delete m_menuBar;
 218   }
 219 };
 220
 221 bool wxMDIChildFrame::Create( wxMDIParentFrame *parent,
 222       wxWindowID id, const wxString& title,
 223       const wxPoint& WXUNUSED(pos), const wxSize& size,
 224       long style, const wxString& name )
 225 {
 226   m_title = title;
 227   return wxPanel::Create( parent->GetClientWindow(), id, wxDefaultPosition, size, style, name );
 228 };
 229
 230 void wxMDIChildFrame::OnCloseWindow( wxCloseEvent &event )
 231 {
 232     if ( GetEventHandler()->OnClose() || event.GetForce())
 233     {
 234         this->Destroy();
 235     }
 236 };
 237
 238 bool wxMDIChildFrame::Destroy(void)
 239 {
 240   if (!wxPendingDelete.Member(this))
 241     wxPendingDelete.Append(this);
 242
 243   return TRUE;
 244 }
 245
 246 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 247 {
 248   menu->SetInvokingWindow( win );
 249   wxNode *node = menu->m_items.First();
 250   while (node)
 251   {
 252     wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 253     if (menuitem->GetSubMenu()) SetInvokingWindow( menuitem->GetSubMenu(), win );
 254     node = node->Next();
 255   };
 256 };
 257
 258 void wxMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
 259 {
 260   m_menuBar = menu_bar;
 261
 262   if (m_menuBar)
 263   {
 264     wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->m_parent;
 265
 266     if (m_menuBar->m_parent != this)
 267     {
 268       wxNode *node = m_menuBar->m_menus.First();
 269       while (node)
 270       {
 271         wxMenu *menu = (wxMenu*)node->Data();
 272         SetInvokingWindow( menu, this );
 273         node = node->Next();
 274       };
 275
 276       m_menuBar->m_parent = mdi_frame;
 277     }
 278     mdi_frame->SetMDIMenuBar( m_menuBar );
 279
 280     gtk_myfixed_put( GTK_MYFIXED(mdi_frame->m_mainWindow),
 281       m_menuBar->m_widget, m_menuBar->m_x, m_menuBar->m_y );
 282   }
 283 };
 284
 285 void wxMDIChildFrame::Activate(void)
 286 {
 287 };
 288
 289 //-----------------------------------------------------------------------------
 290 // wxMDIClientWindow
 291 //-----------------------------------------------------------------------------
 292
 293 IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow,wxWindow)
 294
 295 wxMDIClientWindow::wxMDIClientWindow(void)
 296 {
 297 };
 298
 299 wxMDIClientWindow::wxMDIClientWindow( wxMDIParentFrame *parent, long style )
 300 {
 301   CreateClient( parent, style );
 302 };
 303
 304 wxMDIClientWindow::~wxMDIClientWindow(void)
 305 {
 306 };
 307
 308 bool wxMDIClientWindow::CreateClient( wxMDIParentFrame *parent, long style )
 309 {
 310   m_needParent = TRUE;
 311
 312   PreCreation( parent, -1, wxPoint(10,10), wxSize(100,100), style, "wxMDIClientWindow" );
 313
 314   m_widget = gtk_notebook_new();
 315
 316   gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 317                       GTK_SIGNAL_FUNC(gtk_page_change_callback), (gpointer)this );
 318
 319   gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 320
 321   PostCreation();
 322
 323   Show( TRUE );
 324
 325   return TRUE;
 326 };
 327
 328 void wxMDIClientWindow::AddChild( wxWindow *child )
 329 {
 330   if (!child->IsKindOf(CLASSINFO(wxMDIChildFrame)))
 331   {
 332      wxFAIL_MSG("wxNotebook::AddChild: Child has to be wxMDIChildFrame");
 333      return;
 334   };
 335
 336   m_children.Append( child );
 337
 338   wxString s;
 339   wxMDIChildFrame* mdi_child = (wxMDIChildFrame*) child;
 340   s = mdi_child->m_title;
 341   if (s.IsNull()) s = "MDI child";
 342
 343   GtkWidget *label_widget;
 344   label_widget = gtk_label_new( s );
 345   gtk_misc_set_alignment( GTK_MISC(label_widget), 0.0, 0.5 );
 346
 347   gtk_signal_connect( GTK_OBJECT(child->m_widget), "size_allocate",
 348     GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)child );
 349
 350   gtk_notebook_append_page( GTK_NOTEBOOK(m_widget), child->m_widget, label_widget );
 351
 352   mdi_child->m_page = (GtkNotebookPage*) (g_list_last(GTK_NOTEBOOK(m_widget)->children)->data);
 353
 354   gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), m_children.Number()-1 );
 355 };
 356
 357