avoiding nesting dcs on the same window concurrently

[wxWidgets.git] / src / gtk / notebook.cpp

diff --git a/src/gtk/notebook.cpp b/src/gtk/notebook.cpp
index 948917069c1fb453b3ef689951de3ed65ca77033..aa1774ecf6c3714942e92aeb2c80149b721ea097 100644 (file)
--- a/src/gtk/notebook.cpp
+++ b/src/gtk/notebook.cpp
@@ -18,7 +18,6 @@
     #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/utils.h"
     #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/utils.h"

-    #include "wx/panel.h"

     #include "wx/msgdlg.h"
     #include "wx/bitmap.h"
 #endif
     #include "wx/msgdlg.h"
     #include "wx/bitmap.h"
 #endif


@@ -26,12 +25,6 @@
 #include "wx/imaglist.h"
 #include "wx/fontutil.h"
 
 #include "wx/imaglist.h"
 #include "wx/fontutil.h"
 

-// FIXME: Use GtkImage instead of GtkPixmap. Don't use gtk_container_border_width
-#include <gtk/gtkversion.h>
-#ifdef GTK_DISABLE_DEPRECATED
-#undef GTK_DISABLE_DEPRECATED
-#endif
-

 #include "wx/gtk/private.h"
 #include "wx/gtk/win_gtk.h"
 
 #include "wx/gtk/private.h"
 #include "wx/gtk/win_gtk.h"
 


@@ -89,7 +82,7 @@ WX_DEFINE_LIST(wxGtkNotebookPagesList)
 
 extern "C" {
 static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
 
 extern "C" {
 static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),

-                                              GtkNotebookPage *WXUNUSED(page),
+                                              GtkNotebookPage *WXUNUSED(gpage),

                                               guint page,
                                               wxNotebook *notebook )
 {
                                               guint page,
                                               wxNotebook *notebook )
 {


@@ -104,28 +97,34 @@ static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
 
     int old = notebook->GetSelection();
 
 
     int old = notebook->GetSelection();
 

-    wxNotebookEvent eventChanging( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,
-                                   notebook->GetId(), page, old );
-    eventChanging.SetEventObject( notebook );

 
 

-    if ( (notebook->GetEventHandler()->ProcessEvent(eventChanging)) &&
-         !eventChanging.IsAllowed() )
-    {
-        /* program doesn't allow the page change */
-        g_signal_stop_emission_by_name (notebook->m_widget,
-                                        "switch_page");
-    }
-    else // change allowed
+    if (notebook->m_skipNextPageChangeEvent)

     {
     {

+        // this event was programatically generated by ChangeSelection() and thus must
+        // be skipped
+        notebook->m_skipNextPageChangeEvent = false;
+

         // make wxNotebook::GetSelection() return the correct (i.e. consistent
         // with wxNotebookEvent::GetSelection()) value even though the page is
         // not really changed in GTK+
         notebook->m_selection = page;
         // make wxNotebook::GetSelection() return the correct (i.e. consistent
         // with wxNotebookEvent::GetSelection()) value even though the page is
         // not really changed in GTK+
         notebook->m_selection = page;

+    }
+    else
+    {
+        if ( !notebook->SendPageChangingEvent(page) )
+        {
+            // program doesn't allow the page change
+            g_signal_stop_emission_by_name(notebook->m_widget, "switch_page");
+        }
+        else // change allowed
+        {
+            // make wxNotebook::GetSelection() return the correct (i.e. consistent
+            // with wxNotebookEvent::GetSelection()) value even though the page is
+            // not really changed in GTK+
+            notebook->m_selection = page;

 
 

-        wxNotebookEvent eventChanged( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
-                                      notebook->GetId(), page, old );
-        eventChanged.SetEventObject( notebook );
-        notebook->GetEventHandler()->ProcessEvent( eventChanged );
+            notebook->SendPageChangedEvent(old);
+        }

     }
 
     notebook->m_inSwitchPage = false;
     }
 
     notebook->m_inSwitchPage = false;


@@ -289,6 +288,7 @@ void wxNotebook::Init()
 {
     m_padding = 0;
     m_inSwitchPage = false;
 {
     m_padding = 0;
     m_inSwitchPage = false;

+    m_skipNextPageChangeEvent = false;

 
     m_imageList = (wxImageList *) NULL;
     m_selection = -1;
 
     m_imageList = (wxImageList *) NULL;
     m_selection = -1;


@@ -414,7 +414,7 @@ wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
     return m_pagesData.Item(page)->GetData();
 }
 
     return m_pagesData.Item(page)->GetData();
 }
 

-int wxNotebook::SetSelection( size_t page )
+int wxNotebook::DoSetSelection( size_t page, int flags )

 {
     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 
 {
     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 


@@ -422,10 +422,23 @@ int wxNotebook::SetSelection( size_t page )
 
     int selOld = GetSelection();
 
 
     int selOld = GetSelection();
 

+    if ( !(flags & SetSelection_SendEvent) )
+        m_skipNextPageChangeEvent = true;
+

     // cache the selection
     m_selection = page;
     gtk_notebook_set_current_page( GTK_NOTEBOOK(m_widget), page );
 
     // cache the selection
     m_selection = page;
     gtk_notebook_set_current_page( GTK_NOTEBOOK(m_widget), page );
 

+#ifdef __WXDEBUG__
+    if ( !(flags & SetSelection_SendEvent) )
+    {
+        // gtk_notebook_set_current_page will emit the switch-page signal which will be
+        // caught by our gtk_notebook_page_change_callback which should have reset the
+        // flag to false:
+        wxASSERT(!m_skipNextPageChangeEvent);
+    }
+#endif // __WXDEBUG__
+

     wxNotebookPage *client = GetPage(page);
     if ( client )
         client->SetFocus();
     wxNotebookPage *client = GetPage(page);
     if ( client )
         client->SetFocus();


@@ -480,7 +493,7 @@ bool wxNotebook::SetPageImage( size_t page, int image )
         GList *child = gtk_container_get_children(GTK_CONTAINER(nb_page->m_box));
         while (child)
         {
         GList *child = gtk_container_get_children(GTK_CONTAINER(nb_page->m_box));
         while (child)
         {

-            if (GTK_IS_PIXMAP(child->data))
+            if (GTK_IS_IMAGE(child->data))

             {
                 pixmapwid = GTK_WIDGET(child->data);
                 break;
             {
                 pixmapwid = GTK_WIDGET(child->data);
                 break;


@@ -506,17 +519,11 @@ bool wxNotebook::SetPageImage( size_t page, int image )
 
     /* Construct the new pixmap */
     const wxBitmap *bmp = m_imageList->GetBitmapPtr(image);
 
     /* Construct the new pixmap */
     const wxBitmap *bmp = m_imageList->GetBitmapPtr(image);

-    GdkPixmap *pixmap = bmp->GetPixmap();
-    GdkBitmap *mask = (GdkBitmap*) NULL;
-    if ( bmp->GetMask() )
-    {
-        mask = bmp->GetMask()->GetBitmap();
-    }

 
     if (pixmapwid == NULL)
     {
         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
 
     if (pixmapwid == NULL)
     {
         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */

-        pixmapwid = gtk_pixmap_new (pixmap, mask );
+        pixmapwid = gtk_image_new_from_pixbuf(bmp->GetPixbuf());

 
         /* CHECKME: Are these pack flags okay? */
         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 
         /* CHECKME: Are these pack flags okay? */
         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);


@@ -525,7 +532,7 @@ bool wxNotebook::SetPageImage( size_t page, int image )
     else
     {
         /* Case 4) Simply replace the pixmap */
     else
     {
         /* Case 4) Simply replace the pixmap */

-        gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
+        gtk_image_set_from_pixbuf((GtkImage*)pixmapwid, bmp->GetPixbuf());

     }
 
     nb_page->m_image = image;
     }
 
     nb_page->m_image = image;


@@ -597,7 +604,9 @@ wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 
     gtk_widget_ref( client->m_widget );
     gtk_widget_unrealize( client->m_widget );
 
     gtk_widget_ref( client->m_widget );
     gtk_widget_unrealize( client->m_widget );

-    gtk_widget_unparent( client->m_widget );
+
+    // we don't need to unparent the client->m_widget; GTK+ will do
+    // that for us (and will throw a warning if we do it!)

 
     // gtk_notebook_remove_page() sends "switch_page" signal with some strange
     // new page index (when deleting selected page 0, new page is 1 although,
 
     // gtk_notebook_remove_page() sends "switch_page" signal with some strange
     // new page index (when deleting selected page 0, new page is 1 although,


@@ -659,7 +668,7 @@ bool wxNotebook::InsertPage( size_t position,
     m_pages.Insert(win, position);
 
     nb_page->m_box = gtk_hbox_new( FALSE, 1 );
     m_pages.Insert(win, position);
 
     nb_page->m_box = gtk_hbox_new( FALSE, 1 );

-    gtk_container_border_width( GTK_CONTAINER(nb_page->m_box), 2 );
+    gtk_container_set_border_width((GtkContainer*)nb_page->m_box, 2);

 
     g_signal_connect (win->m_widget, "size_allocate",
                       G_CALLBACK (gtk_page_size_callback), win);
 
     g_signal_connect (win->m_widget, "size_allocate",
                       G_CALLBACK (gtk_page_size_callback), win);


@@ -676,23 +685,14 @@ bool wxNotebook::InsertPage( size_t position,
         wxASSERT( m_imageList != NULL );
 
         const wxBitmap *bmp = m_imageList->GetBitmapPtr(imageId);
         wxASSERT( m_imageList != NULL );
 
         const wxBitmap *bmp = m_imageList->GetBitmapPtr(imageId);

-        GdkPixmap *pixmap = bmp->GetPixmap();
-        GdkBitmap *mask = (GdkBitmap*) NULL;
-        if ( bmp->GetMask() )
-        {
-            mask = bmp->GetMask()->GetBitmap();
-        }
-
-        GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
-
+        GtkWidget* pixmapwid = gtk_image_new_from_pixbuf(bmp->GetPixbuf());

         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);

-

         gtk_widget_show(pixmapwid);
     }
 
     /* set the label text */
 
         gtk_widget_show(pixmapwid);
     }
 
     /* set the label text */
 

-    nb_page->m_text = text;
+    nb_page->m_text = wxStripMenuCodes(text);

     if (nb_page->m_text.empty()) nb_page->m_text = wxEmptyString;
 
     nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );
     if (nb_page->m_text.empty()) nb_page->m_text = wxEmptyString;
 
     nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );


@@ -763,7 +763,7 @@ int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
                 GList *children = gtk_container_get_children(GTK_CONTAINER(box));
                 for ( GList *child = children; child; child = child->next )
                 {
                 GList *children = gtk_container_get_children(GTK_CONTAINER(box));
                 for ( GList *child = children; child; child = child->next )
                 {

-                    if ( GTK_IS_PIXMAP(child->data) )
+                    if (GTK_IS_IMAGE(child->data))

                     {
                         pixmap = GTK_WIDGET(child->data);
                         break;
                     {
                         pixmap = GTK_WIDGET(child->data);
                         break;