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