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/gtk/win_gtk.h"
  18
  19 //-----------------------------------------------------------------------------
  20
  21 extern wxList wxPendingDelete;
  22
  23 //-----------------------------------------------------------------------------
  24 // wxMDIParentFrame
  25 //-----------------------------------------------------------------------------
  26
  27 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
  28 {
  29   if ((win->m_x == alloc->x) &&
  30       (win->m_y == alloc->y) &&
  31       (win->m_width == alloc->width) &&
  32       (win->m_height == alloc->height))
  33   {
  34     return;
  35   };
  36
  37   win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
  38 };
  39
  40 // page change callback
  41 static void gtk_page_change_callback( GtkNotebook *WXUNUSED(widget),
  42                                       GtkNotebookPage *page,
  43                                       gint WXUNUSED(nPage),
  44                                       wxMDIClientWindow *client_win )
  45 {
  46   wxNode *node = client_win->m_children.First();
  47   while (node)
  48   {
  49     wxMDIChildFrame *child_frame = (wxMDIChildFrame *)node->Data();
  50     if (child_frame->m_page == page)
  51     {
  52       wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)client_win->m_parent;
  53       mdi_frame->m_currentChild = child_frame;
  54       mdi_frame->SetMDIMenuBar( child_frame->m_menuBar );
  55       return;
  56     };
  57     node = node->Next();
  58   }
  59 }
  60
  61 //-----------------------------------------------------------------------------
  62
  63 IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame,wxFrame)
  64
  65 BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
  66 END_EVENT_TABLE()
  67
  68 wxMDIParentFrame::wxMDIParentFrame(void)
  69 {
  70   m_clientWindow = NULL;
  71   m_currentChild = NULL;
  72   m_parentFrameActive = TRUE;
  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   Create( parent, id, title, pos, size, style, name );
  84 };
  85
  86 wxMDIParentFrame::~wxMDIParentFrame(void)
  87 {
  88 };
  89
  90 bool wxMDIParentFrame::Create( wxWindow *parent,
  91       wxWindowID id, const wxString& title,
  92       const wxPoint& pos, const wxSize& size,
  93       long style, const wxString& name )
  94 {
  95   wxFrame::Create( parent, id, title, pos, size, style, name );
  96
  97   OnCreateClient();
  98
  99   return TRUE;
 100 };
 101
 102 void wxMDIParentFrame::GtkOnSize( int x, int y, int width, int height )
 103 {
 104   wxFrame::GtkOnSize( x, y, width, height );
 105
 106   if (m_mdiMenuBar)
 107   {
 108     int x = 0;
 109     int y = 0;
 110     GetClientSize( &x, &y );
 111     m_mdiMenuBar->SetSize( 1, 1, x-2, 26 );
 112   }
 113 };
 114
 115 void wxMDIParentFrame::SetMDIMenuBar( wxMenuBar *menu_bar )
 116 {
 117   if (m_mdiMenuBar) m_mdiMenuBar->Show( FALSE );
 118   m_mdiMenuBar = menu_bar;
 119   if (m_mdiMenuBar)
 120   {
 121     int x = 0;
 122     int y = 0;
 123     GetClientSize( &x, &y );
 124     m_mdiMenuBar->SetSize( 1, 1, x-2, 26 );
 125     m_mdiMenuBar->Show( TRUE );
 126   }
 127 };
 128
 129 void wxMDIParentFrame::GetClientSize(int *width, int *height ) const
 130 {
 131   wxFrame::GetClientSize( width, height );
 132 };
 133
 134 wxMDIChildFrame *wxMDIParentFrame::GetActiveChild(void) const
 135 {
 136   return m_currentChild;
 137 };
 138
 139 wxMDIClientWindow *wxMDIParentFrame::GetClientWindow(void) const
 140 {
 141   return m_clientWindow;
 142 };
 143
 144 wxMDIClientWindow *wxMDIParentFrame::OnCreateClient(void)
 145 {
 146   m_clientWindow = new wxMDIClientWindow( this );
 147   return m_clientWindow;
 148 };
 149
 150 void wxMDIParentFrame::ActivateNext(void)
 151 {
 152   if (m_clientWindow)
 153     gtk_notebook_next_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
 154 };
 155
 156 void wxMDIParentFrame::ActivatePrevious(void)
 157 {
 158   if (m_clientWindow)
 159     gtk_notebook_prev_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
 160 };
 161
 162 void wxMDIParentFrame::OnActivate( wxActivateEvent& WXUNUSED(event) )
 163 {
 164 };
 165
 166 void wxMDIParentFrame::OnSysColourChanged( wxSysColourChangedEvent& WXUNUSED(event) )
 167 {
 168 };
 169
 170 //-----------------------------------------------------------------------------
 171 // wxMDIChildFrame
 172 //-----------------------------------------------------------------------------
 173
 174 IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame,wxPanel)
 175
 176 BEGIN_EVENT_TABLE(wxMDIChildFrame, wxPanel)
 177   EVT_CLOSE(wxMDIChildFrame::OnCloseWindow)
 178   EVT_SIZE(wxMDIChildFrame::OnSize)
 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 wxPanel::Create( parent->GetClientWindow(), id, wxDefaultPosition, size, style, name );
 219 };
 220
 221 void wxMDIChildFrame::OnCloseWindow( wxCloseEvent &event )
 222 {
 223     if ( GetEventHandler()->OnClose() || event.GetForce())
 224     {
 225         this->Destroy();
 226     }
 227 };
 228
 229 void wxMDIChildFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
 230 {
 231   if ( GetAutoLayout() )
 232     Layout();
 233   else {
 234     // no child: go out !
 235     if (!GetChildren()->First())
 236       return;
 237
 238     // do we have exactly one child?
 239     wxWindow *child = NULL;
 240     for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 241     {
 242       wxWindow *win = (wxWindow *)node->Data();
 243       if (!IS_KIND_OF(win,wxFrame) && !IS_KIND_OF(win,wxDialog))
 244       {
 245         if ( child )  // it's the second one: do nothing
 246           return;
 247
 248         child = win;
 249       };
 250     };
 251
 252     // yes: set it's size to fill all the frame
 253     int client_x, client_y;
 254     GetClientSize(&client_x, &client_y);
 255     child->SetSize( 1, 1, client_x-2, client_y);
 256   }
 257 };
 258
 259 bool wxMDIChildFrame::Destroy(void)
 260 {
 261   if (!wxPendingDelete.Member(this))
 262     wxPendingDelete.Append(this);
 263
 264   return TRUE;
 265 }
 266
 267 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 268 {
 269   menu->SetInvokingWindow( win );
 270   wxNode *node = menu->m_items.First();
 271   while (node)
 272   {
 273     wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 274     if (menuitem->IsSubMenu())
 275       SetInvokingWindow( menuitem->GetSubMenu(), win );
 276     node = node->Next();
 277   };
 278 };
 279
 280 void wxMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
 281 {
 282   m_menuBar = menu_bar;
 283
 284   if (m_menuBar)
 285   {
 286     wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->m_parent;
 287
 288     if (m_menuBar->m_parent != this)
 289     {
 290       wxNode *node = m_menuBar->m_menus.First();
 291       while (node)
 292       {
 293         wxMenu *menu = (wxMenu*)node->Data();
 294         SetInvokingWindow( menu, this );
 295         node = node->Next();
 296       };
 297
 298       m_menuBar->m_parent = mdi_frame;
 299     }
 300     mdi_frame->SetMDIMenuBar( m_menuBar );
 301
 302     gtk_myfixed_put( GTK_MYFIXED(mdi_frame->m_mainWindow),
 303       m_menuBar->m_widget, m_menuBar->m_x, m_menuBar->m_y );
 304   }
 305 };
 306
 307 void wxMDIChildFrame::Activate(void)
 308 {
 309 };
 310
 311 void wxMDIChildFrame::OnActivate( wxActivateEvent &WXUNUSED(event) )
 312 {
 313 };
 314
 315 //-----------------------------------------------------------------------------
 316 // wxMDIClientWindow
 317 //-----------------------------------------------------------------------------
 318
 319 IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow,wxWindow)
 320
 321 wxMDIClientWindow::wxMDIClientWindow(void)
 322 {
 323 };
 324
 325 wxMDIClientWindow::wxMDIClientWindow( wxMDIParentFrame *parent, long style )
 326 {
 327   CreateClient( parent, style );
 328 };
 329
 330 wxMDIClientWindow::~wxMDIClientWindow(void)
 331 {
 332 };
 333
 334 bool wxMDIClientWindow::CreateClient( wxMDIParentFrame *parent, long style )
 335 {
 336   m_needParent = TRUE;
 337
 338   PreCreation( parent, -1, wxPoint(10,10), wxSize(100,100), style, "wxMDIClientWindow" );
 339
 340   m_widget = gtk_notebook_new();
 341
 342   gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 343                       GTK_SIGNAL_FUNC(gtk_page_change_callback), (gpointer)this );
 344
 345   gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 346
 347   PostCreation();
 348
 349   Show( TRUE );
 350
 351   return TRUE;
 352 };
 353
 354 void wxMDIClientWindow::AddChild( wxWindow *child )
 355 {
 356   if (!child->IsKindOf(CLASSINFO(wxMDIChildFrame)))
 357   {
 358      wxFAIL_MSG("wxNotebook::AddChild: Child has to be wxMDIChildFrame");
 359      return;
 360   };
 361
 362   m_children.Append( child );
 363
 364   wxString s;
 365   wxMDIChildFrame* mdi_child = (wxMDIChildFrame*) child;
 366   s = mdi_child->m_title;
 367   if (s.IsNull()) s = "MDI child";
 368
 369   GtkWidget *label_widget;
 370   label_widget = gtk_label_new( s );
 371   gtk_misc_set_alignment( GTK_MISC(label_widget), 0.0, 0.5 );
 372
 373   gtk_signal_connect( GTK_OBJECT(child->m_widget), "size_allocate",
 374     GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)child );
 375
 376   gtk_notebook_append_page( GTK_NOTEBOOK(m_widget), child->m_widget, label_widget );
 377
 378   mdi_child->m_page = (GtkNotebookPage*) (g_list_last(GTK_NOTEBOOK(m_widget)->children)->data);
 379
 380   gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), m_children.Number()-1 );
 381
 382   gtk_page_change_callback( NULL, mdi_child->m_page, 0, this );
 383 };
 384
 385