Fixed a rare wxAuiFloatingFrame dtor crash on MSW using a registration mechanism...

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

diff --git a/src/gtk/notebook.cpp b/src/gtk/notebook.cpp
index 4bb1ee5a07faaec89fcada38aeaba319bba0452d..ee0dec46a74813e33941636d0251bc368afd2470 100644 (file)
--- a/src/gtk/notebook.cpp
+++ b/src/gtk/notebook.cpp
@@ -26,7 +26,6 @@
 #include "wx/fontutil.h"
 
 #include "wx/gtk/private.h"
 #include "wx/fontutil.h"
 
 #include "wx/gtk/private.h"

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

 
 #include <gdk/gdkkeysyms.h>
 
 
 #include <gdk/gdkkeysyms.h>
 


@@ -81,53 +80,34 @@ WX_DEFINE_LIST(wxGtkNotebookPagesList)
 //-----------------------------------------------------------------------------
 
 extern "C" {
 //-----------------------------------------------------------------------------
 
 extern "C" {

-static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
-                                              GtkNotebookPage *WXUNUSED(gpage),
-                                              guint page,
-                                              wxNotebook *notebook )
+static void gtk_notebook_page_changing_callback( GtkNotebook *widget,
+                                                 GtkNotebookPage *WXUNUSED(gpage),
+                                                 guint page,
+                                                 wxNotebook *notebook )

 {
 {

-    // are you trying to call SetSelection() from a notebook event handler?
-    // you shouldn't!
-    wxCHECK_RET( !notebook->m_inSwitchPage,
-                 _T("gtk_notebook_page_change_callback reentered") );
+    int old = gtk_notebook_get_current_page( widget );

 
 

-    notebook->m_inSwitchPage = true;
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
-    int old = notebook->GetSelection();
-
-
-    if (notebook->m_skipNextPageChangeEvent)
+    if ( !notebook->SendPageChangingEvent(page) )

     {
     {

-        // 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;
+        // program doesn't allow the page change
+        g_signal_stop_emission_by_name(notebook->m_widget, "switch_page");

     }
     else
     {
     }
     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;
-
-            notebook->SendPageChangedEvent(old);
-        }
+        // the page change event also reports the old page
+        notebook->m_oldSelection = old;

     }
     }

+}
+}

 
 

-    notebook->m_inSwitchPage = false;
+extern "C" {
+static void gtk_notebook_page_changed_callback( GtkNotebook * WXUNUSED(widget),
+                                                GtkNotebookPage *WXUNUSED(gpage),
+                                                guint WXUNUSED(page),
+                                                wxNotebook *notebook )
+{
+    int old = notebook->m_oldSelection;
+    notebook->SendPageChangedEvent( old );

 }
 }
 
 }
 }
 


@@ -138,9 +118,6 @@ static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
 extern "C" {
 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 {
 extern "C" {
 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 {

-    if (g_isIdle)
-        wxapp_install_idle_handler();
-

     if ((win->m_x == alloc->x) &&
         (win->m_y == alloc->y) &&
         (win->m_width == alloc->width) &&
     if ((win->m_x == alloc->x) &&
         (win->m_y == alloc->y) &&
         (win->m_width == alloc->width) &&


@@ -150,17 +127,6 @@ static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation*
     }
 
     win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
     }
 
     win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );

-
-    /* GTK 1.2 up to version 1.2.5 is broken so that we have to call allocate
-       here in order to make repositioning after resizing to take effect. */
-    if ((gtk_major_version == 1) &&
-        (gtk_minor_version == 2) &&
-        (gtk_micro_version < 6) &&
-        (win->m_wxwindow) &&
-        (GTK_WIDGET_REALIZED(win->m_wxwindow)))
-    {
-        gtk_widget_size_allocate( win->m_wxwindow, alloc );
-    }

 }
 }
 
 }
 }
 


@@ -172,92 +138,17 @@ extern "C" {
 static void
 gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
 {
 static void
 gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
 {

-    if (g_isIdle)
-        wxapp_install_idle_handler();
-

     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
        here in order to make repositioning before showing to take effect. */
     gtk_widget_queue_resize( win->m_widget );
 }
 }
 
     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
        here in order to make repositioning before showing to take effect. */
     gtk_widget_queue_resize( win->m_widget );
 }
 }
 

-//-----------------------------------------------------------------------------
-// "key_press_event"
-//-----------------------------------------------------------------------------
-
-extern "C" {
-static gboolean
-gtk_notebook_key_press_callback( GtkWidget   *widget,
-                                 GdkEventKey *gdk_event,
-                                 wxNotebook  *notebook )
-{
-    // don't need to install idle handler, its done from "event" signal
-
-    if (!notebook->m_hasVMT) return FALSE;
-    if (g_blockEventsOnDrag) return FALSE;
-
-    /* win is a control: tab can be propagated up */
-    if ((gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right))
-    {
-        int page;
-        int nMax = notebook->GetPageCount();
-        if ( nMax-- ) // decrement it to get the last valid index
-        {
-            int nSel = notebook->GetSelection();
-
-            // change selection wrapping if it becomes invalid
-            page = (gdk_event->keyval != GDK_Left) ? nSel == nMax ? 0
-                                       : nSel + 1
-                        : nSel == 0 ? nMax
-                                    : nSel - 1;
-        }
-        else // notebook is empty, no next page
-        {
-            return FALSE;
-        }
-
-        // m_selection = page;
-        gtk_notebook_set_current_page( GTK_NOTEBOOK(widget), page );
-
-        return TRUE;
-    }
-
-    /* win is a control: tab can be propagated up */
-    if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
-    {
-        int sel = notebook->GetSelection();
-        if (sel == -1)
-            return TRUE;
-        wxGtkNotebookPage *nb_page = notebook->GetNotebookPage(sel);
-        wxCHECK_MSG( nb_page, FALSE, _T("invalid selection in wxNotebook") );
-
-        wxNavigationKeyEvent event;
-        event.SetEventObject( notebook );
-        /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
-        event.SetDirection( (gdk_event->keyval == GDK_Tab) );
-        /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
-        event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) ||
-                               (gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right) );
-        event.SetCurrentFocus( notebook );
-
-        wxNotebookPage *client = notebook->GetPage(sel);
-        if ( !client->GetEventHandler()->ProcessEvent( event ) )
-        {
-             client->SetFocus();
-        }
-
-        return TRUE;
-    }
-
-    return FALSE;
-}
-}
-

 //-----------------------------------------------------------------------------
 // InsertChild callback for wxNotebook
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 // InsertChild callback for wxNotebook
 //-----------------------------------------------------------------------------
 

-static void wxInsertChildInNotebook( wxNotebook* parent, wxWindow* child )
+static void wxInsertChildInNotebook(wxWindow* parent, wxWindow* child)

 {
     // Hack Alert! (Part I): This sets the notebook as the parent of the child
     // widget, and takes care of some details such as updating the state and
 {
     // Hack Alert! (Part I): This sets the notebook as the parent of the child
     // widget, and takes care of some details such as updating the state and


@@ -278,20 +169,18 @@ static void wxInsertChildInNotebook( wxNotebook* parent, wxWindow* child )
 // wxNotebook
 //-----------------------------------------------------------------------------
 
 // wxNotebook
 //-----------------------------------------------------------------------------
 

-IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxBookCtrlBase)

 
 

-BEGIN_EVENT_TABLE(wxNotebook, wxControl)
+BEGIN_EVENT_TABLE(wxNotebook, wxBookCtrlBase)

     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 END_EVENT_TABLE()
 
 void wxNotebook::Init()
 {
     m_padding = 0;
     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 END_EVENT_TABLE()
 
 void wxNotebook::Init()
 {
     m_padding = 0;

-    m_inSwitchPage = false;
-    m_skipNextPageChangeEvent = false;

 
     m_imageList = (wxImageList *) NULL;
 
     m_imageList = (wxImageList *) NULL;

-    m_selection = -1;
+    m_oldSelection = -1;

     m_themeEnabled = true;
 }
 
     m_themeEnabled = true;
 }
 


@@ -317,9 +206,7 @@ bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
                         const wxPoint& pos, const wxSize& size,
                         long style, const wxString& name )
 {
                         const wxPoint& pos, const wxSize& size,
                         long style, const wxString& name )
 {

-    m_needParent = true;
-    m_acceptsFocus = true;
-    m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
+    m_insertCallback = wxInsertChildInNotebook;

 
     if ( (style & wxBK_ALIGN_MASK) == wxBK_DEFAULT )
         style |= wxBK_TOP;
 
     if ( (style & wxBK_ALIGN_MASK) == wxBK_DEFAULT )
         style |= wxBK_TOP;


@@ -337,7 +224,10 @@ bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 
     g_signal_connect (m_widget, "switch_page",
     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 
     g_signal_connect (m_widget, "switch_page",

-                      G_CALLBACK (gtk_notebook_page_change_callback), this);
+                      G_CALLBACK (gtk_notebook_page_changing_callback), this);
+
+    g_signal_connect_after (m_widget, "switch_page",
+                      G_CALLBACK (gtk_notebook_page_changed_callback), this);

 
     m_parent->DoAddChild( this );
 
 
     m_parent->DoAddChild( this );
 


@@ -348,9 +238,6 @@ bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
     if (m_windowStyle & wxBK_BOTTOM)
         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 
     if (m_windowStyle & wxBK_BOTTOM)
         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 

-    g_signal_connect (m_widget, "key_press_event",
-                      G_CALLBACK (gtk_notebook_key_press_callback), this);
-

     PostCreation(size);
 
     g_signal_connect (m_widget, "realize",
     PostCreation(size);
 
     g_signal_connect (m_widget, "realize",


@@ -363,24 +250,7 @@ int wxNotebook::GetSelection() const
 {
     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 
 {
     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 

-    if ( m_selection == -1 )
-    {
-        GList *nb_pages = GTK_NOTEBOOK(m_widget)->children;
-
-        if (g_list_length(nb_pages) != 0)
-        {
-            GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
-
-            gpointer cur = notebook->cur_page;
-            if ( cur != NULL )
-            {
-                wxConstCast(this, wxNotebook)->m_selection =
-                    g_list_index( nb_pages, cur );
-            }
-        }
-    }
-
-    return m_selection;
+    return gtk_notebook_get_current_page( GTK_NOTEBOOK(m_widget) );

 }
 
 wxString wxNotebook::GetPageText( size_t page ) const
 }
 
 wxString wxNotebook::GetPageText( size_t page ) const


@@ -423,21 +293,24 @@ int wxNotebook::DoSetSelection( size_t page, int flags )
     int selOld = GetSelection();
 
     if ( !(flags & SetSelection_SendEvent) )
     int selOld = GetSelection();
 
     if ( !(flags & SetSelection_SendEvent) )

-        m_skipNextPageChangeEvent = true;
+    {
+        g_signal_handlers_block_by_func(m_widget,
+            (gpointer)gtk_notebook_page_changing_callback, this);
+
+        g_signal_handlers_block_by_func(m_widget,
+            (gpointer)gtk_notebook_page_changed_callback, this);
+    }

 
 

-    // cache the selection
-    m_selection = page;

     gtk_notebook_set_current_page( GTK_NOTEBOOK(m_widget), page );
 
     gtk_notebook_set_current_page( GTK_NOTEBOOK(m_widget), page );
 

-#ifdef __WXDEBUG__

     if ( !(flags & SetSelection_SendEvent) )
     {
     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);
+        g_signal_handlers_unblock_by_func(m_widget,
+            (gpointer)gtk_notebook_page_changing_callback, this);
+
+        g_signal_handlers_unblock_by_func(m_widget,
+            (gpointer)gtk_notebook_page_changed_callback, this);

     }
     }

-#endif // __WXDEBUG__

 
     wxNotebookPage *client = GetPage(page);
     if ( client )
 
     wxNotebookPage *client = GetPage(page);
     if ( client )


@@ -592,13 +465,12 @@ bool wxNotebook::DeleteAllPages()
 
 wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 {
 
 wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 {

-    if ( m_selection != -1 && (size_t)m_selection >= page )
-    {
-        // the index will become invalid after the page is deleted
-        m_selection = -1;
-    }
-
-    wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
+    // We cannot remove the page yet, as GTK sends the "switch_page"
+    // signal before it has removed the notebook-page from its
+    // corresponding list. Thus, if we were to remove the page from
+    // m_pages at this point, the two lists of pages would be out
+    // of sync during the PAGE_CHANGING/PAGE_CHANGED events.
+    wxNotebookPage *client = GetPage(page);

     if ( !client )
         return NULL;
 
     if ( !client )
         return NULL;
 


@@ -607,13 +479,16 @@ wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 
     // 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!)
 
     // 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( GTK_NOTEBOOK(m_widget), page );
 
     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 

+    // It's safe to remove the page now.
+    wxASSERT_MSG(GetPage(page) == client, wxT("pages changed during delete"));
+    wxNotebookBase::DoRemovePage(page);
+

     wxGtkNotebookPage* p = GetNotebookPage(page);
     m_pagesData.DeleteObject(p);
     delete p;
     wxGtkNotebookPage* p = GetNotebookPage(page);
     m_pagesData.DeleteObject(p);
     delete p;

-
+    

     return client;
 }
 
     return client;
 }
 


@@ -638,11 +513,6 @@ bool wxNotebook::InsertPage( size_t position,
     // hand here.
     win->m_widget->parent = NULL;
 
     // hand here.
     win->m_widget->parent = NULL;
 

-    // don't receive switch page during addition
-    g_signal_handlers_disconnect_by_func (m_widget,
-                                          (gpointer) gtk_notebook_page_change_callback,
-                                          this);
-

     if (m_themeEnabled)
         win->SetThemeEnabled(true);
 
     if (m_themeEnabled)
         win->SetThemeEnabled(true);
 


@@ -698,14 +568,12 @@ bool wxNotebook::InsertPage( size_t position,
 
     /* show the label */
     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
 
     /* show the label */
     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );

+

     if (select && (m_pagesData.GetCount() > 1))
     {
     if (select && (m_pagesData.GetCount() > 1))
     {

-      SetSelection( position );
+        SetSelection( position );

     }
 
     }
 

-    g_signal_connect (m_widget, "switch_page",
-                      G_CALLBACK (gtk_notebook_page_change_callback), this);
-

     InvalidateBestSize();
     return true;
 }
     InvalidateBestSize();
     return true;
 }