added a check which should prevent the crash of bug 555111

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

diff --git a/src/gtk/checkbox.cpp b/src/gtk/checkbox.cpp
index 060c3a127c38e2296953138510c54f51ed8b7f93..5e0dcb88f2b78c279c3929400df8c2c42452d084 100644 (file)
--- a/src/gtk/checkbox.cpp
+++ b/src/gtk/checkbox.cpp
@@ -12,12 +12,13 @@
 #pragma implementation "checkbox.h"
 #endif
 
-#include "wx/checkbox.h"
+#include "wx/defs.h"
 
 #if wxUSE_CHECKBOX
 
-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
+#include "wx/checkbox.h"
+
+#include "wx/gtk/private.h"
 
 //-----------------------------------------------------------------------------
 // idle system
@@ -30,8 +31,9 @@ extern bool g_isIdle;
 // data
 //-----------------------------------------------------------------------------
 
-extern bool       g_blockEventsOnDrag;
-extern wxCursor   g_globalCursor;
+extern bool           g_blockEventsOnDrag;
+extern wxCursor       g_globalCursor;
+extern wxWindowGTK   *g_delayedFocus;
 
 //-----------------------------------------------------------------------------
 // "clicked"
@@ -44,6 +46,8 @@ static void gtk_checkbox_clicked_callback( GtkWidget *WXUNUSED(widget), wxCheckB
     if (!cb->m_hasVMT) return;
 
     if (g_blockEventsOnDrag) return;
+    
+    if (cb->m_blockEvent) return;
 
     wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, cb->GetId());
     event.SetInt( cb->GetValue() );
@@ -72,12 +76,13 @@ bool wxCheckBox::Create(wxWindow *parent,
 {
     m_needParent = TRUE;
     m_acceptsFocus = TRUE;
+    m_blockEvent = FALSE;
 
     if (!PreCreation( parent, pos, size ) ||
         !CreateBase( parent, id, pos, size, style, validator, name ))
     {
         wxFAIL_MSG( wxT("wxCheckBox creation failed") );
-       return FALSE;
+        return FALSE;
     }
 
     wxControl::SetLabel( label );
@@ -102,21 +107,10 @@ bool wxCheckBox::Create(wxWindow *parent,
     else
     {
         m_widgetCheckbox = gtk_check_button_new_with_label( m_label.mbc_str() );
-        m_widgetLabel = GTK_BUTTON( m_widgetCheckbox )->child;
+        m_widgetLabel = BUTTON_CHILD( m_widgetCheckbox );
         m_widget = m_widgetCheckbox;
     }
 
-    wxSize newSize(size);
-    if (newSize.x == -1)
-    {
-        newSize.x = 25 + gdk_string_measure( m_widgetCheckbox->style->font,
-                                             m_label.mbc_str() );
-    }
-    if (newSize.y == -1)
-        newSize.y = 26;
-
-    SetSize( newSize.x, newSize.y );
-
     gtk_signal_connect( GTK_OBJECT(m_widgetCheckbox),
                         "clicked",
                         GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback),
@@ -126,9 +120,19 @@ bool wxCheckBox::Create(wxWindow *parent,
 
     PostCreation();
 
+    SetFont( parent->GetFont() );
+
+    wxSize size_best( DoGetBestSize() );
+    wxSize new_size( size );
+    if (new_size.x == -1)
+        new_size.x = size_best.x;
+    if (new_size.y == -1)
+        new_size.y = size_best.y;
+    if ((new_size.x != size.x) || (new_size.y != size.y))
+        SetSize( new_size.x, new_size.y );
+
     SetBackgroundColour( parent->GetBackgroundColour() );
     SetForegroundColour( parent->GetForegroundColour() );
-    SetFont( parent->GetFont() );
 
     Show( TRUE );
 
@@ -142,16 +146,11 @@ void wxCheckBox::SetValue( bool state )
     if (state == GetValue())
         return;
 
-    gtk_signal_disconnect_by_func( GTK_OBJECT(m_widgetCheckbox),
-                        GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback),
-                        (gpointer *)this );
+    m_blockEvent = TRUE;
 
     gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widgetCheckbox), state );
-    
-    gtk_signal_connect( GTK_OBJECT(m_widgetCheckbox),
-                        "clicked",
-                        GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback),
-                        (gpointer *)this );
+
+    m_blockEvent = FALSE;
 }
 
 bool wxCheckBox::GetValue() const
@@ -189,7 +188,7 @@ void wxCheckBox::ApplyWidgetStyle()
 
 bool wxCheckBox::IsOwnGtkWindow( GdkWindow *window )
 {
-    return (window == GTK_TOGGLE_BUTTON(m_widget)->event_window);
+    return window == TOGGLE_BUTTON_EVENT_WIN(m_widget);
 }
 
 void wxCheckBox::OnInternalIdle()
@@ -197,17 +196,32 @@ void wxCheckBox::OnInternalIdle()
     wxCursor cursor = m_cursor;
     if (g_globalCursor.Ok()) cursor = g_globalCursor;
 
-    if (GTK_TOGGLE_BUTTON(m_widget)->event_window && cursor.Ok())
+    GdkWindow *event_window = TOGGLE_BUTTON_EVENT_WIN(m_widgetCheckbox);
+    if ( event_window && cursor.Ok() )
     {
         /* I now set the cursor the anew in every OnInternalIdle call
-          as setting the cursor in a parent window also effects the
-          windows above so that checking for the current cursor is
-          not possible. */
-          
-       gdk_window_set_cursor( GTK_TOGGLE_BUTTON(m_widget)->event_window, cursor.GetCursor() );
+           as setting the cursor in a parent window also effects the
+           windows above so that checking for the current cursor is
+           not possible. */
+
+       gdk_window_set_cursor( event_window, cursor.GetCursor() );
     }
 
+    if (g_delayedFocus == this)
+    {
+        if (GTK_WIDGET_REALIZED(m_widget))
+        {
+            gtk_widget_grab_focus( m_widget );
+            g_delayedFocus = NULL;
+        }
+    }
+    
     UpdateWindowUI();
 }
 
+wxSize wxCheckBox::DoGetBestSize() const
+{
+    return wxControl::DoGetBestSize();
+}
+
 #endif