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    = 27;
  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       (win->m_sizeSet))
  43   {
  44     return;
  45   }
  46
  47   win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
  48 }
  49
  50 //-----------------------------------------------------------------------------
  51 // page change callback
  52 //-----------------------------------------------------------------------------
  53
  54 static void gtk_page_change_callback( GtkNotebook *WXUNUSED(widget),
  55                                       GtkNotebookPage *page,
  56                                       gint WXUNUSED(nPage),
  57                                       wxMDIClientWindow *client_win )
  58 {
  59   wxNode *node = client_win->m_children.First();
  60   while (node)
  61   {
  62     wxMDIChildFrame *child_frame = (wxMDIChildFrame *)node->Data();
  63     if (child_frame->m_page == page)
  64     {
  65       wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)client_win->m_parent;
  66       mdi_frame->m_currentChild = child_frame;
  67       mdi_frame->SetMDIMenuBar( child_frame->m_menuBar );
  68       return;
  69     }
  70     node = node->Next();
  71   }
  72 }
  73
  74 //-----------------------------------------------------------------------------
  75 // wxMDIParentFrame
  76 //-----------------------------------------------------------------------------
  77
  78 IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame,wxFrame)
  79
  80 BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
  81 END_EVENT_TABLE()
  82
  83 wxMDIParentFrame::wxMDIParentFrame(void)
  84 {
  85   m_clientWindow = (wxMDIClientWindow *) NULL;
  86   m_currentChild = (wxMDIChildFrame *) NULL;
  87   m_parentFrameActive = TRUE;
  88 }
  89
  90 wxMDIParentFrame::wxMDIParentFrame( wxWindow *parent,
  91       wxWindowID id, const wxString& title,
  92       const wxPoint& pos, const wxSize& size,
  93       long style, const wxString& name )
  94 {
  95   m_clientWindow = (wxMDIClientWindow *) NULL;
  96   m_currentChild = (wxMDIChildFrame *) NULL;
  97   m_parentFrameActive = TRUE;
  98   Create( parent, id, title, pos, size, style, name );
  99 }
 100
 101 wxMDIParentFrame::~wxMDIParentFrame(void)
 102 {
 103 }
 104
 105 bool wxMDIParentFrame::Create( wxWindow *parent,
 106       wxWindowID id, const wxString& title,
 107       const wxPoint& pos, const wxSize& size,
 108       long style, const wxString& name )
 109 {
 110   wxFrame::Create( parent, id, title, pos, size, style, name );
 111
 112   OnCreateClient();
 113
 114   return TRUE;
 115 }
 116
 117 void wxMDIParentFrame::GtkOnSize( int x, int y, int width, int height )
 118 {
 119   wxFrame::GtkOnSize( x, y, width, height );
 120
 121   if (m_mdiMenuBar)
 122   {
 123     m_mdiMenuBar->m_x = 0;
 124     m_mdiMenuBar->m_y = 0;
 125     m_mdiMenuBar->m_width = m_width;
 126     m_mdiMenuBar->m_height = wxMENU_HEIGHT;
 127     gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_mdiMenuBar->m_widget, 0, 0 );
 128     gtk_widget_set_usize( m_mdiMenuBar->m_widget, m_width, wxMENU_HEIGHT );
 129   }
 130 }
 131
 132 void wxMDIParentFrame::SetMDIMenuBar( wxMenuBar *menu_bar )
 133 {
 134   if (m_mdiMenuBar) m_mdiMenuBar->Show( FALSE );
 135   m_mdiMenuBar = menu_bar;
 136   if (m_mdiMenuBar)
 137   {
 138     m_mdiMenuBar->m_x = 0;
 139     m_mdiMenuBar->m_y = 0;
 140     m_mdiMenuBar->m_width = m_width;
 141     m_mdiMenuBar->m_height = wxMENU_HEIGHT;
 142     gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_mdiMenuBar->m_widget, 0, 0 );
 143     gtk_widget_set_usize( m_mdiMenuBar->m_widget, m_width, wxMENU_HEIGHT );
 144     m_mdiMenuBar->Show( TRUE );
 145   }
 146 }
 147
 148 void wxMDIParentFrame::GetClientSize(int *width, int *height ) const
 149 {
 150   wxFrame::GetClientSize( width, height );
 151 }
 152
 153 wxMDIChildFrame *wxMDIParentFrame::GetActiveChild(void) const
 154 {
 155   return m_currentChild;
 156 }
 157
 158 wxMDIClientWindow *wxMDIParentFrame::GetClientWindow(void) const
 159 {
 160   return m_clientWindow;
 161 }
 162
 163 wxMDIClientWindow *wxMDIParentFrame::OnCreateClient(void)
 164 {
 165   m_clientWindow = new wxMDIClientWindow( this );
 166   return m_clientWindow;
 167 }
 168
 169 void wxMDIParentFrame::ActivateNext(void)
 170 {
 171   if (m_clientWindow)
 172     gtk_notebook_next_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
 173 }
 174
 175 void wxMDIParentFrame::ActivatePrevious(void)
 176 {
 177   if (m_clientWindow)
 178     gtk_notebook_prev_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
 179 }
 180
 181 void wxMDIParentFrame::OnActivate( wxActivateEvent& WXUNUSED(event) )
 182 {
 183 }
 184
 185 void wxMDIParentFrame::OnSysColourChanged( wxSysColourChangedEvent& WXUNUSED(event) )
 186 {
 187 }
 188
 189 //-----------------------------------------------------------------------------
 190 // wxMDIChildFrame
 191 //-----------------------------------------------------------------------------
 192
 193 IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame,wxFrame)
 194
 195 BEGIN_EVENT_TABLE(wxMDIChildFrame, wxFrame)
 196   EVT_ACTIVATE(wxMDIChildFrame::OnActivate)
 197 END_EVENT_TABLE()
 198
 199 wxMDIChildFrame::wxMDIChildFrame(void)
 200 {
 201   m_menuBar = (wxMenuBar *) NULL;
 202   m_page = (GtkNotebookPage *) NULL;
 203 }
 204
 205 wxMDIChildFrame::wxMDIChildFrame( wxMDIParentFrame *parent,
 206       wxWindowID id, const wxString& title,
 207       const wxPoint& WXUNUSED(pos), const wxSize& size,
 208       long style, const wxString& name )
 209 {
 210   m_menuBar = (wxMenuBar *) NULL;
 211   m_page = (GtkNotebookPage *) NULL;
 212   Create( parent, id, title, wxDefaultPosition, size, style, name );
 213 }
 214
 215 wxMDIChildFrame::~wxMDIChildFrame(void)
 216 {
 217   if (m_menuBar)
 218   {
 219     wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->m_parent;
 220     if (mdi_frame->m_currentChild == this)
 221     {
 222       mdi_frame->SetMDIMenuBar( (wxMenuBar *) NULL );
 223       mdi_frame->m_currentChild = (wxMDIChildFrame *) NULL;
 224     }
 225     delete m_menuBar;
 226   }
 227 }
 228
 229 bool wxMDIChildFrame::Create( wxMDIParentFrame *parent,
 230       wxWindowID id, const wxString& title,
 231       const wxPoint& WXUNUSED(pos), const wxSize& size,
 232       long style, const wxString& name )
 233 {
 234   m_title = title;
 235
 236   return wxWindow::Create( parent->GetClientWindow(), id, wxDefaultPosition, size, style, name );
 237 }
 238
 239 void wxMDIChildFrame::GetClientSize( int *width, int *height ) const
 240 {
 241   wxWindow::GetClientSize( width, height );
 242 }
 243
 244 void wxMDIChildFrame::AddChild( wxWindow *child )
 245 {
 246   wxWindow::AddChild( child );
 247 }
 248
 249 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 250 {
 251   menu->SetInvokingWindow( win );
 252   wxNode *node = menu->m_items.First();
 253   while (node)
 254   {
 255     wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 256     if (menuitem->IsSubMenu())
 257       SetInvokingWindow( menuitem->GetSubMenu(), win );
 258     node = node->Next();
 259   }
 260 }
 261
 262 void wxMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
 263 {
 264   m_menuBar = menu_bar;
 265
 266   if (m_menuBar)
 267   {
 268     wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->m_parent;
 269
 270     if (m_menuBar->m_parent != this)
 271     {
 272       wxNode *node = m_menuBar->m_menus.First();
 273       while (node)
 274       {
 275         wxMenu *menu = (wxMenu*)node->Data();
 276         SetInvokingWindow( menu, this );
 277         node = node->Next();
 278       }
 279
 280       m_menuBar->m_parent = mdi_frame;
 281     }
 282     mdi_frame->SetMDIMenuBar( m_menuBar );
 283
 284     gtk_myfixed_put( GTK_MYFIXED(mdi_frame->m_wxwindow),
 285       m_menuBar->m_widget, m_menuBar->m_x, m_menuBar->m_y );
 286   }
 287 }
 288
 289 wxMenuBar *wxMDIChildFrame::GetMenuBar()
 290 {
 291   return m_menuBar;
 292 }
 293
 294 void wxMDIChildFrame::Activate(void)
 295 {
 296 }
 297
 298 void wxMDIChildFrame::OnActivate( wxActivateEvent &WXUNUSED(event) )
 299 {
 300 }
 301
 302 //-----------------------------------------------------------------------------
 303 // InsertChild callback for wxMDIClientWindow
 304 //-----------------------------------------------------------------------------
 305
 306 static void wxInsertChildInMDI( wxMDIClientWindow* parent, wxMDIChildFrame* child )
 307 {
 308   wxString s = child->m_title;
 309   if (s.IsNull()) s = _("MDI child");
 310
 311   GtkWidget *label_widget = gtk_label_new( s );
 312   gtk_misc_set_alignment( GTK_MISC(label_widget), 0.0, 0.5 );
 313
 314   gtk_signal_connect( GTK_OBJECT(child->m_widget), "size_allocate",
 315     GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)child );
 316
 317   GtkNotebook *notebook = GTK_NOTEBOOK(parent->m_widget);
 318
 319   gtk_notebook_append_page( notebook, child->m_widget, label_widget );
 320
 321   child->m_page = (GtkNotebookPage*) (g_list_last(notebook->children)->data);
 322
 323   gtk_notebook_set_page( notebook, parent->m_children.Number()-1 );
 324
 325   gtk_page_change_callback( (GtkNotebook *) NULL, child->m_page, 0, parent );
 326 }
 327
 328 //-----------------------------------------------------------------------------
 329 // wxMDIClientWindow
 330 //-----------------------------------------------------------------------------
 331
 332 IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow,wxWindow)
 333
 334 wxMDIClientWindow::wxMDIClientWindow(void)
 335 {
 336 }
 337
 338 wxMDIClientWindow::wxMDIClientWindow( wxMDIParentFrame *parent, long style )
 339 {
 340   CreateClient( parent, style );
 341 }
 342
 343 wxMDIClientWindow::~wxMDIClientWindow(void)
 344 {
 345 }
 346
 347 bool wxMDIClientWindow::CreateClient( wxMDIParentFrame *parent, long style )
 348 {
 349   m_needParent = TRUE;
 350
 351   m_insertCallback = (wxInsertChildFunction)wxInsertChildInMDI;
 352
 353   PreCreation( parent, -1, wxPoint(10,10), wxSize(100,100), style, "wxMDIClientWindow" );
 354
 355   m_widget = gtk_notebook_new();
 356
 357   gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 358                       GTK_SIGNAL_FUNC(gtk_page_change_callback), (gpointer)this );
 359
 360   gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 361
 362   m_parent->AddChild( this );
 363
 364   (m_parent->m_insertCallback)( m_parent, this );
 365
 366   PostCreation();
 367
 368   Show( TRUE );
 369
 370   return TRUE;
 371 }
 372
 373
 374