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