src/gtk/mdi.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        mdi.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "mdi.h"
  12 #endif
  13
  14 #include "wx/mdi.h"
  15 #include "wx/dialog.h"
  16 #include "wx/menu.h"
  17 #include "wx/gtk/win_gtk.h"
  18 #include <wx/intl.h>
  19
  20 //-----------------------------------------------------------------------------
  21 // constants
  22 //-----------------------------------------------------------------------------
  23
  24 const int wxMENU_HEIGHT    = 30;
  25
  26 //-----------------------------------------------------------------------------
  27 // globals
  28 //-----------------------------------------------------------------------------
  29
  30 extern wxList wxPendingDelete;
  31
  32 //-----------------------------------------------------------------------------
  33 // "size_allocate"
  34 //-----------------------------------------------------------------------------
  35
  36 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
  37 {
  38   if ((win->m_x == alloc->x) &&
  39       (win->m_y == alloc->y) &&
  40       (win->m_width == alloc->width) &&
  41       (win->m_height == alloc->height))
  42   {
  43     return;
  44   }
  45
  46   win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
  47 }
  48
  49 //-----------------------------------------------------------------------------
  50 // page change callback
  51 //-----------------------------------------------------------------------------
  52
  53 static void gtk_page_change_callback( GtkNotebook *WXUNUSED(widget),
  54                                       GtkNotebookPage *page,
  55                                       gint WXUNUSED(nPage),
  56                                       wxMDIClientWindow *client_win )
  57 {
  58   wxNode *node = client_win->m_children.First();
  59   while (node)
  60   {
  61     wxMDIChildFrame *child_frame = (wxMDIChildFrame *)node->Data();
  62     if (child_frame->m_page == page)
  63     {
  64       wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)client_win->m_parent;
  65       mdi_frame->m_currentChild = child_frame;
  66       mdi_frame->SetMDIMenuBar( child_frame->m_menuBar );
  67       return;
  68     }
  69     node = node->Next();
  70   }
  71 }
  72
  73 //-----------------------------------------------------------------------------
  74 // wxMDIParentFrame
  75 //-----------------------------------------------------------------------------
  76
  77 IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame,wxFrame)
  78
  79 BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
  80 END_EVENT_TABLE()
  81
  82 wxMDIParentFrame::wxMDIParentFrame(void)
  83 {
  84   m_clientWindow = (wxMDIClientWindow *) NULL;
  85   m_currentChild = (wxMDIChildFrame *) NULL;
  86   m_parentFrameActive = TRUE;
  87 }
  88
  89 wxMDIParentFrame::wxMDIParentFrame( wxWindow *parent,
  90       wxWindowID id, const wxString& title,
  91       const wxPoint& pos, const wxSize& size,
  92       long style, const wxString& name )
  93 {
  94   m_clientWindow = (wxMDIClientWindow *) NULL;
  95   m_currentChild = (wxMDIChildFrame *) NULL;
  96   m_parentFrameActive = TRUE;
  97   Create( parent, id, title, pos, size, style, name );
  98 }
  99
 100 wxMDIParentFrame::~wxMDIParentFrame(void)
 101 {
 102 }
 103
 104 bool wxMDIParentFrame::Create( wxWindow *parent,
 105       wxWindowID id, const wxString& title,
 106       const wxPoint& pos, const wxSize& size,
 107       long style, const wxString& name )
 108 {
 109   wxFrame::Create( parent, id, title, pos, size, style, name );
 110
 111   OnCreateClient();
 112
 113   return TRUE;
 114 }
 115
 116 void wxMDIParentFrame::GtkOnSize( int x, int y, int width, int height )
 117 {
 118   wxFrame::GtkOnSize( x, y, width, height );
 119
 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, wxMENU_HEIGHT-2, wxSIZE_NO_ADJUSTMENTS );
 126   }
 127 }
 128
 129 void wxMDIParentFrame::SetMDIMenuBar( wxMenuBar *menu_bar )
 130 {
 131   if (m_mdiMenuBar) m_mdiMenuBar->Show( FALSE );
 132   m_mdiMenuBar = menu_bar;
 133   if (m_mdiMenuBar)
 134   {
 135     int x = 0;
 136     int y = 0;
 137     GetClientSize( &x, &y );
 138     m_mdiMenuBar->SetSize( 1, 1, x-2, wxMENU_HEIGHT-2, wxSIZE_NO_ADJUSTMENTS );
 139     m_mdiMenuBar->Show( TRUE );
 140   }
 141 }
 142
 143 void wxMDIParentFrame::GetClientSize(int *width, int *height ) const
 144 {
 145   wxFrame::GetClientSize( width, height );
 146 }
 147
 148 wxMDIChildFrame *wxMDIParentFrame::GetActiveChild(void) const
 149 {
 150   return m_currentChild;
 151 }
 152
 153 wxMDIClientWindow *wxMDIParentFrame::GetClientWindow(void) const
 154 {
 155   return m_clientWindow;
 156 }
 157
 158 wxMDIClientWindow *wxMDIParentFrame::OnCreateClient(void)
 159 {
 160   m_clientWindow = new wxMDIClientWindow( this );
 161   return m_clientWindow;
 162 }
 163
 164 void wxMDIParentFrame::ActivateNext(void)
 165 {
 166   if (m_clientWindow)
 167     gtk_notebook_next_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
 168 }
 169
 170 void wxMDIParentFrame::ActivatePrevious(void)
 171 {
 172   if (m_clientWindow)
 173     gtk_notebook_prev_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
 174 }
 175
 176 void wxMDIParentFrame::OnActivate( wxActivateEvent& WXUNUSED(event) )
 177 {
 178 }
 179
 180 void wxMDIParentFrame::OnSysColourChanged( wxSysColourChangedEvent& WXUNUSED(event) )
 181 {
 182 }
 183
 184 //-----------------------------------------------------------------------------
 185 // wxMDIChildFrame
 186 //-----------------------------------------------------------------------------
 187
 188 IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame,wxFrame)
 189
 190 BEGIN_EVENT_TABLE(wxMDIChildFrame, wxFrame)
 191   EVT_ACTIVATE(wxMDIChildFrame::OnActivate)
 192 END_EVENT_TABLE()
 193
 194 wxMDIChildFrame::wxMDIChildFrame(void)
 195 {
 196   m_menuBar = (wxMenuBar *) NULL;
 197   m_page = (GtkNotebookPage *) NULL;
 198 }
 199
 200 wxMDIChildFrame::wxMDIChildFrame( wxMDIParentFrame *parent,
 201       wxWindowID id, const wxString& title,
 202       const wxPoint& WXUNUSED(pos), const wxSize& size,
 203       long style, const wxString& name )
 204 {
 205   m_menuBar = (wxMenuBar *) NULL;
 206   m_page = (GtkNotebookPage *) NULL;
 207   Create( parent, id, title, wxDefaultPosition, size, style, name );
 208 }
 209
 210 wxMDIChildFrame::~wxMDIChildFrame(void)
 211 {
 212   if (m_menuBar)
 213   {
 214     wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->m_parent;
 215     if (mdi_frame->m_currentChild == this)
 216     {
 217       mdi_frame->SetMDIMenuBar( (wxMenuBar *) NULL );
 218       mdi_frame->m_currentChild = (wxMDIChildFrame *) NULL;
 219     }
 220     delete m_menuBar;
 221   }
 222 }
 223
 224 bool wxMDIChildFrame::Create( wxMDIParentFrame *parent,
 225       wxWindowID id, const wxString& title,
 226       const wxPoint& WXUNUSED(pos), const wxSize& size,
 227       long style, const wxString& name )
 228 {
 229   m_title = title;
 230
 231   return wxWindow::Create( parent->GetClientWindow(), id, wxDefaultPosition, size, style, name );
 232 }
 233
 234 void wxMDIChildFrame::GetClientSize( int *width, int *height ) const
 235 {
 236   wxWindow::GetClientSize( width, height );
 237 }
 238
 239 void wxMDIChildFrame::AddChild( wxWindow *child )
 240 {
 241   wxWindow::AddChild( child );
 242 }
 243
 244 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 245 {
 246   menu->SetInvokingWindow( win );
 247   wxNode *node = menu->m_items.First();
 248   while (node)
 249   {
 250     wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 251     if (menuitem->IsSubMenu())
 252       SetInvokingWindow( menuitem->GetSubMenu(), win );
 253     node = node->Next();
 254   }
 255 }
 256
 257 void wxMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
 258 {
 259   m_menuBar = menu_bar;
 260
 261   if (m_menuBar)
 262   {
 263     wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->m_parent;
 264
 265     if (m_menuBar->m_parent != this)
 266     {
 267       wxNode *node = m_menuBar->m_menus.First();
 268       while (node)
 269       {
 270         wxMenu *menu = (wxMenu*)node->Data();
 271         SetInvokingWindow( menu, this );
 272         node = node->Next();
 273       }
 274
 275       m_menuBar->m_parent = mdi_frame;
 276     }
 277     mdi_frame->SetMDIMenuBar( m_menuBar );
 278
 279     gtk_myfixed_put( GTK_MYFIXED(mdi_frame->m_wxwindow),
 280       m_menuBar->m_widget, m_menuBar->m_x, m_menuBar->m_y );
 281   }
 282 }
 283
 284 wxMenuBar *wxMDIChildFrame::GetMenuBar()
 285 {
 286   return m_menuBar;
 287 }
 288
 289 void wxMDIChildFrame::Activate(void)
 290 {
 291 }
 292
 293 void wxMDIChildFrame::OnActivate( wxActivateEvent &WXUNUSED(event) )
 294 {
 295 }
 296
 297 //-----------------------------------------------------------------------------
 298 // InsertChild callback for wxMDIClientWindow
 299 //-----------------------------------------------------------------------------
 300
 301 static void wxInsertChildInMDI( wxMDIClientWindow* parent, wxMDIChildFrame* child )
 302 {
 303   wxString s = child->m_title;
 304   if (s.IsNull()) s = _("MDI child");
 305
 306   GtkWidget *label_widget = gtk_label_new( s );
 307   gtk_misc_set_alignment( GTK_MISC(label_widget), 0.0, 0.5 );
 308
 309   gtk_signal_connect( GTK_OBJECT(child->m_widget), "size_allocate",
 310     GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)child );
 311
 312   GtkNotebook *notebook = GTK_NOTEBOOK(parent->m_widget);
 313
 314   gtk_notebook_append_page( notebook, child->m_widget, label_widget );
 315
 316   child->m_page = (GtkNotebookPage*) (g_list_last(notebook->children)->data);
 317
 318   gtk_notebook_set_page( notebook, parent->m_children.Number()-1 );
 319
 320   gtk_page_change_callback( (GtkNotebook *) NULL, child->m_page, 0, parent );
 321 }
 322
 323 //-----------------------------------------------------------------------------
 324 // wxMDIClientWindow
 325 //-----------------------------------------------------------------------------
 326
 327 IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow,wxWindow)
 328
 329 wxMDIClientWindow::wxMDIClientWindow(void)
 330 {
 331 }
 332
 333 wxMDIClientWindow::wxMDIClientWindow( wxMDIParentFrame *parent, long style )
 334 {
 335   CreateClient( parent, style );
 336 }
 337
 338 wxMDIClientWindow::~wxMDIClientWindow(void)
 339 {
 340 }
 341
 342 bool wxMDIClientWindow::CreateClient( wxMDIParentFrame *parent, long style )
 343 {
 344   m_needParent = TRUE;
 345
 346   m_insertCallback = (wxInsertChildFunction)wxInsertChildInMDI;
 347
 348   PreCreation( parent, -1, wxPoint(10,10), wxSize(100,100), style, "wxMDIClientWindow" );
 349
 350   m_widget = gtk_notebook_new();
 351
 352   gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 353                       GTK_SIGNAL_FUNC(gtk_page_change_callback), (gpointer)this );
 354
 355   gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 356
 357   gtk_myfixed_put( GTK_MYFIXED(m_parent->m_wxwindow), m_widget, m_x, m_y );
 358
 359   PostCreation();
 360
 361   Show( TRUE );
 362
 363   return TRUE;
 364 }
 365
 366
 367