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