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/intl.h>
  18
  19 #include "glib.h"
  20 #include "gdk/gdk.h"
  21 #include "gtk/gtk.h"
  22 #include "wx/gtk/win_gtk.h"
  23
  24 //-----------------------------------------------------------------------------
  25 // constants
  26 //-----------------------------------------------------------------------------
  27
  28 const int wxMENU_HEIGHT    = 27;
  29
  30 //-----------------------------------------------------------------------------
  31 // globals
  32 //-----------------------------------------------------------------------------
  33
  34 extern wxList wxPendingDelete;
  35
  36 //-----------------------------------------------------------------------------
  37 // "size_allocate"
  38 //-----------------------------------------------------------------------------
  39
  40 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
  41 {
  42     if ((win->m_x == alloc->x) &&
  43         (win->m_y == alloc->y) &&
  44         (win->m_width == alloc->width) &&
  45         (win->m_height == alloc->height) &&
  46         (win->m_sizeSet))
  47     {
  48         return;
  49     }
  50
  51     win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
  52 }
  53
  54 //-----------------------------------------------------------------------------
  55 // page change callback
  56 //-----------------------------------------------------------------------------
  57
  58 static void gtk_page_change_callback( GtkNotebook *WXUNUSED(widget),
  59                                       GtkNotebookPage *page,
  60                                       gint WXUNUSED(nPage),
  61                                       wxMDIClientWindow *client_win )
  62 {
  63     wxNode *node = client_win->m_children.First();
  64     while (node)
  65     {
  66         wxMDIChildFrame *child_frame = (wxMDIChildFrame *)node->Data();
  67         if (child_frame->m_page == page)
  68         {
  69             wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)client_win->m_parent;
  70             mdi_frame->m_currentChild = child_frame;
  71             mdi_frame->SetMDIMenuBar( child_frame->m_menuBar );
  72             return;
  73         }
  74         node = node->Next();
  75     }
  76 }
  77
  78 //-----------------------------------------------------------------------------
  79 // wxMDIParentFrame
  80 //-----------------------------------------------------------------------------
  81
  82 IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame,wxFrame)
  83
  84 BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
  85 END_EVENT_TABLE()
  86
  87 wxMDIParentFrame::wxMDIParentFrame(void)
  88 {
  89     m_clientWindow = (wxMDIClientWindow *) NULL;
  90     m_currentChild = (wxMDIChildFrame *) NULL;
  91     m_parentFrameActive = TRUE;
  92 }
  93
  94 wxMDIParentFrame::wxMDIParentFrame( wxWindow *parent,
  95       wxWindowID id, const wxString& title,
  96       const wxPoint& pos, const wxSize& size,
  97       long style, const wxString& name )
  98 {
  99     m_clientWindow = (wxMDIClientWindow *) NULL;
 100     m_currentChild = (wxMDIChildFrame *) NULL;
 101     m_parentFrameActive = TRUE;
 102     Create( parent, id, title, pos, size, style, name );
 103 }
 104
 105 wxMDIParentFrame::~wxMDIParentFrame(void)
 106 {
 107 }
 108
 109 bool wxMDIParentFrame::Create( wxWindow *parent,
 110       wxWindowID id, const wxString& title,
 111       const wxPoint& pos, const wxSize& size,
 112       long style, const wxString& name )
 113 {
 114     wxFrame::Create( parent, id, title, pos, size, style, name );
 115
 116     OnCreateClient();
 117
 118     return TRUE;
 119 }
 120
 121 void wxMDIParentFrame::GtkOnSize( int x, int y, int width, int height )
 122 {
 123     wxFrame::GtkOnSize( x, y, width, height );
 124
 125     if (m_mdiMenuBar)
 126     {
 127         m_mdiMenuBar->m_x = 0;
 128         m_mdiMenuBar->m_y = 0;
 129         m_mdiMenuBar->m_width = m_width;
 130         m_mdiMenuBar->m_height = wxMENU_HEIGHT;
 131         gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_mdiMenuBar->m_widget, 0, 0 );
 132         gtk_widget_set_usize( m_mdiMenuBar->m_widget, m_width, wxMENU_HEIGHT );
 133     }
 134 }
 135
 136 void wxMDIParentFrame::SetMDIMenuBar( wxMenuBar *menu_bar )
 137 {
 138     if (m_mdiMenuBar) m_mdiMenuBar->Show( FALSE );
 139     m_mdiMenuBar = menu_bar;
 140     if (m_mdiMenuBar)
 141     {
 142         m_mdiMenuBar->m_x = 0;
 143         m_mdiMenuBar->m_y = 0;
 144         m_mdiMenuBar->m_width = m_width;
 145         m_mdiMenuBar->m_height = wxMENU_HEIGHT;
 146         gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_mdiMenuBar->m_widget, 0, 0 );
 147         gtk_widget_set_usize( m_mdiMenuBar->m_widget, m_width, wxMENU_HEIGHT );
 148         m_mdiMenuBar->Show( TRUE );
 149     }
 150 }
 151
 152 void wxMDIParentFrame::GetClientSize(int *width, int *height ) const
 153 {
 154     wxFrame::GetClientSize( width, height );
 155 }
 156
 157 wxMDIChildFrame *wxMDIParentFrame::GetActiveChild(void) const
 158 {
 159     return m_currentChild;
 160 }
 161
 162 wxMDIClientWindow *wxMDIParentFrame::GetClientWindow(void) const
 163 {
 164     return m_clientWindow;
 165 }
 166
 167 wxMDIClientWindow *wxMDIParentFrame::OnCreateClient(void)
 168 {
 169     m_clientWindow = new wxMDIClientWindow( this );
 170     return m_clientWindow;
 171 }
 172
 173 void wxMDIParentFrame::ActivateNext(void)
 174 {
 175     if (m_clientWindow)
 176       gtk_notebook_next_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
 177 }
 178
 179 void wxMDIParentFrame::ActivatePrevious(void)
 180 {
 181     if (m_clientWindow)
 182       gtk_notebook_prev_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
 183 }
 184
 185 void wxMDIParentFrame::OnActivate( wxActivateEvent& WXUNUSED(event) )
 186 {
 187 }
 188
 189 void wxMDIParentFrame::OnSysColourChanged( wxSysColourChangedEvent& WXUNUSED(event) )
 190 {
 191 }
 192
 193 //-----------------------------------------------------------------------------
 194 // wxMDIChildFrame
 195 //-----------------------------------------------------------------------------
 196
 197 IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame,wxFrame)
 198
 199 BEGIN_EVENT_TABLE(wxMDIChildFrame, wxFrame)
 200     EVT_ACTIVATE(wxMDIChildFrame::OnActivate)
 201 END_EVENT_TABLE()
 202
 203 wxMDIChildFrame::wxMDIChildFrame(void)
 204 {
 205     m_menuBar = (wxMenuBar *) NULL;
 206     m_page = (GtkNotebookPage *) NULL;
 207 }
 208
 209 wxMDIChildFrame::wxMDIChildFrame( 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_menuBar = (wxMenuBar *) NULL;
 215     m_page = (GtkNotebookPage *) NULL;
 216     Create( parent, id, title, wxDefaultPosition, size, style, name );
 217 }
 218
 219 wxMDIChildFrame::~wxMDIChildFrame(void)
 220 {
 221     if (m_menuBar)
 222     {
 223         wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->m_parent;
 224         if (mdi_frame->m_currentChild == this)
 225         {
 226             mdi_frame->SetMDIMenuBar( (wxMenuBar *) NULL );
 227             mdi_frame->m_currentChild = (wxMDIChildFrame *) NULL;
 228         }
 229         delete m_menuBar;
 230     }
 231 }
 232
 233 bool wxMDIChildFrame::Create( wxMDIParentFrame *parent,
 234       wxWindowID id, const wxString& title,
 235       const wxPoint& WXUNUSED(pos), const wxSize& size,
 236       long style, const wxString& name )
 237 {
 238     m_title = title;
 239
 240     return wxWindow::Create( parent->GetClientWindow(), id, wxDefaultPosition, size, style, name );
 241 }
 242
 243 void wxMDIChildFrame::GetClientSize( int *width, int *height ) const
 244 {
 245     wxWindow::GetClientSize( width, height );
 246 }
 247
 248 void wxMDIChildFrame::AddChild( wxWindow *child )
 249 {
 250     wxWindow::AddChild( child );
 251 }
 252
 253 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 254 {
 255     menu->SetInvokingWindow( win );
 256     wxNode *node = menu->m_items.First();
 257     while (node)
 258     {
 259         wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 260         if (menuitem->IsSubMenu())
 261             SetInvokingWindow( menuitem->GetSubMenu(), win );
 262         node = node->Next();
 263     }
 264 }
 265
 266 void wxMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
 267 {
 268     m_menuBar = menu_bar;
 269
 270     if (m_menuBar)
 271     {
 272         wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->m_parent;
 273
 274        if (m_menuBar->m_parent != this)
 275        {
 276             wxNode *node = m_menuBar->m_menus.First();
 277             while (node)
 278             {
 279                 wxMenu *menu = (wxMenu*)node->Data();
 280                 SetInvokingWindow( menu, this );
 281                 node = node->Next();
 282             }
 283
 284             m_menuBar->m_parent = mdi_frame;
 285         }
 286         mdi_frame->SetMDIMenuBar( m_menuBar );
 287
 288         gtk_myfixed_put( GTK_MYFIXED(mdi_frame->m_wxwindow),
 289           m_menuBar->m_widget, m_menuBar->m_x, m_menuBar->m_y );
 290     }
 291 }
 292
 293 wxMenuBar *wxMDIChildFrame::GetMenuBar()
 294 {
 295     return m_menuBar;
 296 }
 297
 298 void wxMDIChildFrame::Activate(void)
 299 {
 300 }
 301
 302 void wxMDIChildFrame::OnActivate( wxActivateEvent &WXUNUSED(event) )
 303 {
 304 }
 305
 306 //-----------------------------------------------------------------------------
 307 // InsertChild callback for wxMDIClientWindow
 308 //-----------------------------------------------------------------------------
 309
 310 static void wxInsertChildInMDI( wxMDIClientWindow* parent, wxMDIChildFrame* child )
 311 {
 312     wxString s = child->m_title;
 313     if (s.IsNull()) s = _("MDI child");
 314
 315     GtkWidget *label_widget = gtk_label_new( s );
 316     gtk_misc_set_alignment( GTK_MISC(label_widget), 0.0, 0.5 );
 317
 318     gtk_signal_connect( GTK_OBJECT(child->m_widget), "size_allocate",
 319       GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)child );
 320
 321     GtkNotebook *notebook = GTK_NOTEBOOK(parent->m_widget);
 322
 323     gtk_notebook_append_page( notebook, child->m_widget, label_widget );
 324
 325     child->m_page = (GtkNotebookPage*) (g_list_last(notebook->children)->data);
 326
 327     gtk_notebook_set_page( notebook, parent->m_children.Number()-1 );
 328
 329     gtk_page_change_callback( (GtkNotebook *) NULL, child->m_page, 0, parent );
 330 }
 331
 332 //-----------------------------------------------------------------------------
 333 // wxMDIClientWindow
 334 //-----------------------------------------------------------------------------
 335
 336 IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow,wxWindow)
 337
 338 wxMDIClientWindow::wxMDIClientWindow(void)
 339 {
 340 }
 341
 342 wxMDIClientWindow::wxMDIClientWindow( wxMDIParentFrame *parent, long style )
 343 {
 344     CreateClient( parent, style );
 345 }
 346
 347 wxMDIClientWindow::~wxMDIClientWindow(void)
 348 {
 349 }
 350
 351 bool wxMDIClientWindow::CreateClient( wxMDIParentFrame *parent, long style )
 352 {
 353     m_needParent = TRUE;
 354
 355     m_insertCallback = (wxInsertChildFunction)wxInsertChildInMDI;
 356
 357     PreCreation( parent, -1, wxPoint(10,10), wxSize(100,100), style, "wxMDIClientWindow" );
 358
 359     m_widget = gtk_notebook_new();
 360
 361     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 362                         GTK_SIGNAL_FUNC(gtk_page_change_callback), (gpointer)this );
 363
 364     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 365
 366     m_parent->AddChild( this );
 367
 368     (m_parent->m_insertCallback)( m_parent, this );
 369
 370     PostCreation();
 371
 372     Show( TRUE );
 373
 374     return TRUE;
 375 }
 376
 377
 378