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 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 wxPanel::Create( parent->GetClientWindow(), id, wxDefaultPosition, size, style, name );
 218 };
 219
 220 void wxMDIChildFrame::OnCloseWindow( wxCloseEvent &event )
 221 {
 222     if ( GetEventHandler()->OnClose() || event.GetForce())
 223     {
 224         this->Destroy();
 225     }
 226 };
 227
 228 void wxMDIChildFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
 229 {
 230   if ( GetAutoLayout() )
 231     Layout();
 232   else {
 233     // no child: go out !
 234     if (!GetChildren()->First())
 235       return;
 236
 237     // do we have exactly one child?
 238     wxWindow *child = NULL;
 239     for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 240     {
 241       wxWindow *win = (wxWindow *)node->Data();
 242       if (!IS_KIND_OF(win,wxFrame) && !IS_KIND_OF(win,wxDialog))
 243       {
 244         if ( child )  // it's the second one: do nothing
 245           return;
 246
 247         child = win;
 248       };
 249     };
 250
 251     // yes: set it's size to fill all the frame
 252     int client_x, client_y;
 253     GetClientSize(&client_x, &client_y);
 254     child->SetSize( 1, 1, client_x-2, client_y);
 255   }
 256 };
 257 bool wxMDIChildFrame::Destroy(void)
 258 {
 259   if (!wxPendingDelete.Member(this))
 260     wxPendingDelete.Append(this);
 261
 262   return TRUE;
 263 }
 264
 265 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 266 {
 267   menu->SetInvokingWindow( win );
 268   wxNode *node = menu->m_items.First();
 269   while (node)
 270   {
 271     wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 272     if (menuitem->IsSubMenu())
 273       SetInvokingWindow( menuitem->GetSubMenu(), win );
 274     node = node->Next();
 275   };
 276 };
 277
 278 void wxMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
 279 {
 280   m_menuBar = menu_bar;
 281
 282   if (m_menuBar)
 283   {
 284     wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->m_parent;
 285
 286     if (m_menuBar->m_parent != this)
 287     {
 288       wxNode *node = m_menuBar->m_menus.First();
 289       while (node)
 290       {
 291         wxMenu *menu = (wxMenu*)node->Data();
 292         SetInvokingWindow( menu, this );
 293         node = node->Next();
 294       };
 295
 296       m_menuBar->m_parent = mdi_frame;
 297     }
 298     mdi_frame->SetMDIMenuBar( m_menuBar );
 299
 300     gtk_myfixed_put( GTK_MYFIXED(mdi_frame->m_mainWindow),
 301       m_menuBar->m_widget, m_menuBar->m_x, m_menuBar->m_y );
 302   }
 303 };
 304
 305 void wxMDIChildFrame::Activate(void)
 306 {
 307 };
 308
 309 //-----------------------------------------------------------------------------
 310 // wxMDIClientWindow
 311 //-----------------------------------------------------------------------------
 312
 313 IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow,wxWindow)
 314
 315 wxMDIClientWindow::wxMDIClientWindow(void)
 316 {
 317 };
 318
 319 wxMDIClientWindow::wxMDIClientWindow( wxMDIParentFrame *parent, long style )
 320 {
 321   CreateClient( parent, style );
 322 };
 323
 324 wxMDIClientWindow::~wxMDIClientWindow(void)
 325 {
 326 };
 327
 328 bool wxMDIClientWindow::CreateClient( wxMDIParentFrame *parent, long style )
 329 {
 330   m_needParent = TRUE;
 331
 332   PreCreation( parent, -1, wxPoint(10,10), wxSize(100,100), style, "wxMDIClientWindow" );
 333
 334   m_widget = gtk_notebook_new();
 335
 336   gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 337                       GTK_SIGNAL_FUNC(gtk_page_change_callback), (gpointer)this );
 338
 339   gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 340
 341   PostCreation();
 342
 343   Show( TRUE );
 344
 345   return TRUE;
 346 };
 347
 348 void wxMDIClientWindow::AddChild( wxWindow *child )
 349 {
 350   if (!child->IsKindOf(CLASSINFO(wxMDIChildFrame)))
 351   {
 352      wxFAIL_MSG("wxNotebook::AddChild: Child has to be wxMDIChildFrame");
 353      return;
 354   };
 355
 356   m_children.Append( child );
 357
 358   wxString s;
 359   wxMDIChildFrame* mdi_child = (wxMDIChildFrame*) child;
 360   s = mdi_child->m_title;
 361   if (s.IsNull()) s = "MDI child";
 362
 363   GtkWidget *label_widget;
 364   label_widget = gtk_label_new( s );
 365   gtk_misc_set_alignment( GTK_MISC(label_widget), 0.0, 0.5 );
 366
 367   gtk_signal_connect( GTK_OBJECT(child->m_widget), "size_allocate",
 368     GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)child );
 369
 370   gtk_notebook_append_page( GTK_NOTEBOOK(m_widget), child->m_widget, label_widget );
 371
 372   mdi_child->m_page = (GtkNotebookPage*) (g_list_last(GTK_NOTEBOOK(m_widget)->children)->data);
 373
 374   gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), m_children.Number()-1 );
 375
 376   gtk_page_change_callback( NULL, mdi_child->m_page, 0, this );
 377 };
 378
 379