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 // "switch_page"
  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     /* hide old child menu bar */
 139     if (m_mdiMenuBar) m_mdiMenuBar->Show( FALSE );
 140
 141     m_mdiMenuBar = menu_bar;
 142
 143     /* show and resize new menu child menu bar */
 144     if (m_mdiMenuBar)
 145     {
 146         m_mdiMenuBar->m_x = 0;
 147         m_mdiMenuBar->m_y = 0;
 148         m_mdiMenuBar->m_width = m_width;
 149         m_mdiMenuBar->m_height = wxMENU_HEIGHT;
 150         gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_mdiMenuBar->m_widget, 0, 0 );
 151         gtk_widget_set_usize( m_mdiMenuBar->m_widget, m_width, wxMENU_HEIGHT );
 152         m_mdiMenuBar->Show( TRUE );
 153     }
 154
 155     /* show/hide parent menu bar as required */
 156     if (m_frameMenuBar) m_frameMenuBar->Show( (m_mdiMenuBar == NULL) );
 157 }
 158
 159 void wxMDIParentFrame::GetClientSize(int *width, int *height ) const
 160 {
 161     wxFrame::GetClientSize( width, height );
 162 }
 163
 164 wxMDIChildFrame *wxMDIParentFrame::GetActiveChild(void) const
 165 {
 166     return m_currentChild;
 167 }
 168
 169 wxMDIClientWindow *wxMDIParentFrame::GetClientWindow(void) const
 170 {
 171     return m_clientWindow;
 172 }
 173
 174 wxMDIClientWindow *wxMDIParentFrame::OnCreateClient(void)
 175 {
 176     m_clientWindow = new wxMDIClientWindow( this );
 177     return m_clientWindow;
 178 }
 179
 180 void wxMDIParentFrame::ActivateNext(void)
 181 {
 182     if (m_clientWindow)
 183       gtk_notebook_next_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
 184 }
 185
 186 void wxMDIParentFrame::ActivatePrevious(void)
 187 {
 188     if (m_clientWindow)
 189       gtk_notebook_prev_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
 190 }
 191
 192 void wxMDIParentFrame::OnActivate( wxActivateEvent& WXUNUSED(event) )
 193 {
 194 }
 195
 196 void wxMDIParentFrame::OnSysColourChanged( wxSysColourChangedEvent& WXUNUSED(event) )
 197 {
 198 }
 199
 200 //-----------------------------------------------------------------------------
 201 // wxMDIChildFrame
 202 //-----------------------------------------------------------------------------
 203
 204 IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame,wxFrame)
 205
 206 BEGIN_EVENT_TABLE(wxMDIChildFrame, wxFrame)
 207     EVT_ACTIVATE(wxMDIChildFrame::OnActivate)
 208 END_EVENT_TABLE()
 209
 210 wxMDIChildFrame::wxMDIChildFrame(void)
 211 {
 212     m_menuBar = (wxMenuBar *) NULL;
 213     m_page = (GtkNotebookPage *) NULL;
 214 }
 215
 216 wxMDIChildFrame::wxMDIChildFrame( wxMDIParentFrame *parent,
 217       wxWindowID id, const wxString& title,
 218       const wxPoint& WXUNUSED(pos), const wxSize& size,
 219       long style, const wxString& name )
 220 {
 221     m_menuBar = (wxMenuBar *) NULL;
 222     m_page = (GtkNotebookPage *) NULL;
 223     Create( parent, id, title, wxDefaultPosition, size, style, name );
 224 }
 225
 226 wxMDIChildFrame::~wxMDIChildFrame(void)
 227 {
 228     if (m_menuBar)
 229     {
 230         wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->m_parent;
 231         if (mdi_frame->m_currentChild == this)
 232         {
 233             mdi_frame->SetMDIMenuBar( (wxMenuBar *) NULL );
 234             mdi_frame->m_currentChild = (wxMDIChildFrame *) NULL;
 235         }
 236         delete m_menuBar;
 237     }
 238 }
 239
 240 bool wxMDIChildFrame::Create( wxMDIParentFrame *parent,
 241       wxWindowID id, const wxString& title,
 242       const wxPoint& WXUNUSED(pos), const wxSize& size,
 243       long style, const wxString& name )
 244 {
 245     m_title = title;
 246
 247     return wxWindow::Create( parent->GetClientWindow(), id, wxDefaultPosition, size, style, name );
 248 }
 249
 250 void wxMDIChildFrame::GetClientSize( int *width, int *height ) const
 251 {
 252     wxWindow::GetClientSize( width, height );
 253 }
 254
 255 void wxMDIChildFrame::AddChild( wxWindow *child )
 256 {
 257     wxWindow::AddChild( child );
 258 }
 259
 260 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 261 {
 262     menu->SetInvokingWindow( win );
 263     wxNode *node = menu->m_items.First();
 264     while (node)
 265     {
 266         wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 267         if (menuitem->IsSubMenu())
 268             SetInvokingWindow( menuitem->GetSubMenu(), win );
 269         node = node->Next();
 270     }
 271 }
 272
 273 void wxMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
 274 {
 275     m_menuBar = menu_bar;
 276
 277     if (m_menuBar)
 278     {
 279         wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->m_parent;
 280
 281        if (m_menuBar->m_parent != this)
 282        {
 283             wxNode *node = m_menuBar->m_menus.First();
 284             while (node)
 285             {
 286                 wxMenu *menu = (wxMenu*)node->Data();
 287                 SetInvokingWindow( menu, this );
 288                 node = node->Next();
 289             }
 290
 291             m_menuBar->m_parent = mdi_frame;
 292         }
 293
 294         gtk_myfixed_put( GTK_MYFIXED(mdi_frame->m_wxwindow),
 295           m_menuBar->m_widget, m_menuBar->m_x, m_menuBar->m_y );
 296
 297         mdi_frame->SetMDIMenuBar( m_menuBar );
 298     }
 299 }
 300
 301 wxMenuBar *wxMDIChildFrame::GetMenuBar() const
 302 {
 303     return m_menuBar;
 304 }
 305
 306 void wxMDIChildFrame::Activate(void)
 307 {
 308 }
 309
 310 void wxMDIChildFrame::OnActivate( wxActivateEvent &WXUNUSED(event) )
 311 {
 312 }
 313
 314 //-----------------------------------------------------------------------------
 315 // InsertChild callback for wxMDIClientWindow
 316 //-----------------------------------------------------------------------------
 317
 318 static void wxInsertChildInMDI( wxMDIClientWindow* parent, wxMDIChildFrame* child )
 319 {
 320     wxString s = child->m_title;
 321     if (s.IsNull()) s = _("MDI child");
 322
 323     GtkWidget *label_widget = gtk_label_new( s );
 324     gtk_misc_set_alignment( GTK_MISC(label_widget), 0.0, 0.5 );
 325
 326     gtk_signal_connect( GTK_OBJECT(child->m_widget), "size_allocate",
 327       GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)child );
 328
 329     GtkNotebook *notebook = GTK_NOTEBOOK(parent->m_widget);
 330
 331     gtk_notebook_append_page( notebook, child->m_widget, label_widget );
 332
 333     child->m_page = (GtkNotebookPage*) (g_list_last(notebook->children)->data);
 334
 335     gtk_notebook_set_page( notebook, parent->m_children.Number()-1 );
 336
 337     gtk_page_change_callback( (GtkNotebook *) NULL, child->m_page, 0, parent );
 338 }
 339
 340 //-----------------------------------------------------------------------------
 341 // wxMDIClientWindow
 342 //-----------------------------------------------------------------------------
 343
 344 IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow,wxWindow)
 345
 346 wxMDIClientWindow::wxMDIClientWindow(void)
 347 {
 348 }
 349
 350 wxMDIClientWindow::wxMDIClientWindow( wxMDIParentFrame *parent, long style )
 351 {
 352     CreateClient( parent, style );
 353 }
 354
 355 wxMDIClientWindow::~wxMDIClientWindow(void)
 356 {
 357 }
 358
 359 bool wxMDIClientWindow::CreateClient( wxMDIParentFrame *parent, long style )
 360 {
 361     m_needParent = TRUE;
 362
 363     m_insertCallback = (wxInsertChildFunction)wxInsertChildInMDI;
 364
 365     PreCreation( parent, -1, wxPoint(10,10), wxSize(100,100), style, "wxMDIClientWindow" );
 366
 367     m_widget = gtk_notebook_new();
 368
 369     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 370                         GTK_SIGNAL_FUNC(gtk_page_change_callback), (gpointer)this );
 371
 372     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 373
 374     m_parent->AddChild( this );
 375
 376     (m_parent->m_insertCallback)( m_parent, this );
 377
 378     PostCreation();
 379
 380     Show( TRUE );
 381
 382     return TRUE;
 383 }
 384
 385
 386