fixed SaveDIB() crash with BW images (patch 1045884)

[wxWidgets.git] / src / gtk1 / listbox.cpp

diff --git a/src/gtk1/listbox.cpp b/src/gtk1/listbox.cpp
index 9f06846793b89a0ec9f6bc8d1c08952555abad4d..d8810ddae08a9a1170624ff9a3d1f597483d0dd9 100644 (file)
--- a/src/gtk1/listbox.cpp
+++ b/src/gtk1/listbox.cpp
@@ -51,6 +51,8 @@ extern bool           g_blockEventsOnDrag;
 extern bool           g_blockEventsOnScroll;
 extern wxCursor       g_globalCursor;
 extern wxWindowGTK   *g_delayedFocus;
 extern bool           g_blockEventsOnScroll;
 extern wxCursor       g_globalCursor;
 extern wxWindowGTK   *g_delayedFocus;

+extern wxWindowGTK   *g_focusWindow;
+extern wxWindowGTK   *g_focusWindowLast;

 
 static bool       g_hasDoubleClicked = FALSE;
 
 
 static bool       g_hasDoubleClicked = FALSE;
 


@@ -87,6 +89,68 @@ extern "C" gint wxlistbox_idle_callback( gpointer gdata )
     return TRUE;
 }
 
     return TRUE;
 }
 

+//-----------------------------------------------------------------------------
+// "focus_in_event"
+//-----------------------------------------------------------------------------
+
+static gint gtk_listitem_focus_in_callback( GtkWidget *widget,
+                                          GdkEvent *WXUNUSED(event),
+                                          wxWindow *win )
+{
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+
+    g_focusWindowLast =
+    g_focusWindow = win;
+
+    // does the window itself think that it has the focus?
+    if ( !win->m_hasFocus )
+    {
+        // not yet, notify it
+        win->m_hasFocus = TRUE;
+        
+        wxChildFocusEvent eventChildFocus(win);
+        (void)win->GetEventHandler()->ProcessEvent(eventChildFocus);
+
+        wxFocusEvent eventFocus(wxEVT_SET_FOCUS, win->GetId());
+        eventFocus.SetEventObject(win);
+
+        (void)win->GetEventHandler()->ProcessEvent(eventFocus);
+    }
+
+    return FALSE;
+}
+
+//-----------------------------------------------------------------------------
+// "focus_out_event"
+//-----------------------------------------------------------------------------
+
+static gint gtk_listitem_focus_out_callback( GtkWidget *widget, GdkEventFocus *gdk_event, wxWindowGTK *win )
+{
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+
+    g_focusWindow = (wxWindowGTK *)NULL;
+
+    // don't send the window a kill focus event if it thinks that it doesn't
+    // have focus already
+    if ( win->m_hasFocus )
+    {
+        win->m_hasFocus = FALSE;
+
+        wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() );
+        event.SetEventObject( win );
+
+        // even if we did process the event in wx code, still let GTK itself
+        // process it too as otherwise bad things happen, especially in GTK2
+        // where the text control simply aborts the program if it doesn't get
+        // the matching focus out event
+        (void)win->GetEventHandler()->ProcessEvent( event );
+    }
+
+    return FALSE;
+}
+

 //-----------------------------------------------------------------------------
 // "button_release_event"
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // "button_release_event"
 //-----------------------------------------------------------------------------


@@ -223,6 +287,44 @@ gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxLis
     }
 #endif // wxUSE_CHECKLISTBOX
 
     }
 #endif // wxUSE_CHECKLISTBOX
 

+    // Check or uncheck item with SPACE
+    if ((gdk_event->keyval == ' ') && (!ret) && 
+         (((listbox->GetWindowStyleFlag() & wxLB_MULTIPLE) != 0) ||
+          ((listbox->GetWindowStyleFlag() & wxLB_EXTENDED) != 0)) )
+    {
+        int sel = listbox->GtkGetIndex( widget );
+        
+        if (sel != -1)
+        {
+            ret = TRUE;
+            
+            if (listbox->IsSelected( sel ))
+                gtk_list_unselect_item( listbox->m_list, sel );
+            else
+                gtk_list_select_item( listbox->m_list, sel );
+            
+            wxCommandEvent new_event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
+            new_event.SetEventObject( listbox );
+            wxArrayInt aSelections;
+            int n, count = listbox->GetSelections(aSelections);
+            if ( count > 0 )
+            {
+                n = aSelections[0];
+                if ( listbox->HasClientObjectData() )
+                    new_event.SetClientObject( listbox->GetClientObject(n) );
+                else if ( listbox->HasClientUntypedData() )
+                    new_event.SetClientData( listbox->GetClientData(n) );
+                new_event.SetString( listbox->GetString(n) );
+            }
+            else
+            {
+                n = -1;
+            }
+            new_event.m_commandInt = n;
+            listbox->GetEventHandler()->ProcessEvent( new_event );
+        }
+    }
+    

     if (ret)
     {
         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
     if (ret)
     {
         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );


@@ -439,6 +541,8 @@ void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
     wxASSERT_MSG( m_clientList.GetCount() == (size_t)GetCount(),
                   wxT("bug in client data management") );
 
     wxASSERT_MSG( m_clientList.GetCount() == (size_t)GetCount(),
                   wxT("bug in client data management") );
 

+    InvalidateBestSize();
+

     GList *children = m_list->children;
     int length = g_list_length(children);
 
     GList *children = m_list->children;
     int length = g_list_length(children);
 


@@ -495,6 +599,8 @@ void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
 
 int wxListBox::DoAppend( const wxString& item )
 {
 
 int wxListBox::DoAppend( const wxString& item )
 {

+    InvalidateBestSize();
+

     if (m_strings)
     {
         // need to determine the index
     if (m_strings)
     {
         // need to determine the index


@@ -565,6 +671,14 @@ void wxListBox::GtkAddItem( const wxString &item, int pos )
                            (GtkSignalFunc)gtk_listbox_key_press_callback,
                            (gpointer)this );
 
                            (GtkSignalFunc)gtk_listbox_key_press_callback,
                            (gpointer)this );
 

+
+    gtk_signal_connect( GTK_OBJECT(list_item), "focus_in_event",
+            GTK_SIGNAL_FUNC(gtk_listitem_focus_in_callback), (gpointer)this );
+
+    gtk_signal_connect( GTK_OBJECT(list_item), "focus_out_event",
+            GTK_SIGNAL_FUNC(gtk_listitem_focus_out_callback), (gpointer)this );
+
+

     ConnectWidget( list_item );
 
     gtk_widget_show( list_item );
     ConnectWidget( list_item );
 
     gtk_widget_show( list_item );


@@ -574,19 +688,21 @@ void wxListBox::GtkAddItem( const wxString &item, int pos )
         gtk_widget_realize( list_item );
         gtk_widget_realize( GTK_BIN(list_item)->child );
 
         gtk_widget_realize( list_item );
         gtk_widget_realize( GTK_BIN(list_item)->child );
 

-        // Apply current widget style to the new list_item
-        if (m_widgetStyle)
-        {
-            gtk_widget_set_style( GTK_WIDGET( list_item ), m_widgetStyle );
-            GtkBin *bin = GTK_BIN( list_item );
-            GtkWidget *label = GTK_WIDGET( bin->child );
-            gtk_widget_set_style( label, m_widgetStyle );
-        }
-

 #if wxUSE_TOOLTIPS
         if (m_tooltip) m_tooltip->Apply( this );
 #endif
     }
 #if wxUSE_TOOLTIPS
         if (m_tooltip) m_tooltip->Apply( this );
 #endif
     }

+
+    // Apply current widget style to the new list_item
+    GtkRcStyle *style = CreateWidgetStyle();
+    if (style)
+    {
+        gtk_widget_modify_style( GTK_WIDGET( list_item ), style );
+        GtkBin *bin = GTK_BIN( list_item );
+        GtkWidget *label = GTK_WIDGET( bin->child );
+        gtk_widget_modify_style( label, style );
+        gtk_rc_style_unref( style );
+    }

 }
 
 void wxListBox::DoSetItems( const wxArrayString& items,
 }
 
 void wxListBox::DoSetItems( const wxArrayString& items,


@@ -961,11 +1077,15 @@ void wxListBox::ApplyToolTip( GtkTooltips *tips, const wxChar *tip )
 
 GtkWidget *wxListBox::GetConnectWidget()
 {
 
 GtkWidget *wxListBox::GetConnectWidget()
 {

-    return GTK_WIDGET(m_list);
+    // return GTK_WIDGET(m_list);
+    return m_widget;

 }
 
 bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
 {
 }
 
 bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
 {

+    return TRUE;
+
+#if 0    

     if (m_widget->window == window) return TRUE;
 
     if (GTK_WIDGET(m_list)->window == window) return TRUE;
     if (m_widget->window == window) return TRUE;
 
     if (GTK_WIDGET(m_list)->window == window) return TRUE;


@@ -979,13 +1099,12 @@ bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
     }
 
     return FALSE;
     }
 
     return FALSE;

+#endif

 }
 
 }
 

-void wxListBox::ApplyWidgetStyle()
+void wxListBox::DoApplyWidgetStyle(GtkRcStyle *style)

 {
 {

-    SetWidgetStyle();
-
-    if (m_backgroundColour.Ok())
+    if (m_hasBgCol && m_backgroundColour.Ok())

     {
         GdkWindow *window = GTK_WIDGET(m_list)->window;
         if ( window )
     {
         GdkWindow *window = GTK_WIDGET(m_list)->window;
         if ( window )


@@ -999,11 +1118,11 @@ void wxListBox::ApplyWidgetStyle()
     GList *child = m_list->children;
     while (child)
     {
     GList *child = m_list->children;
     while (child)
     {

-        gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );
+        gtk_widget_modify_style( GTK_WIDGET(child->data), style );

 
         GtkBin *bin = GTK_BIN( child->data );
         GtkWidget *label = GTK_WIDGET( bin->child );
 
         GtkBin *bin = GTK_BIN( child->data );
         GtkWidget *label = GTK_WIDGET( bin->child );

-        gtk_widget_set_style( label, m_widgetStyle );
+        gtk_widget_modify_style( label, style );

 
         child = child->next;
     }
 
         child = child->next;
     }


@@ -1076,7 +1195,9 @@ wxSize wxListBox::DoGetBestSize() const
     // make it too small neither
     lbHeight = (cy+4) * wxMin(wxMax(GetCount(), 3), 10);
 
     // make it too small neither
     lbHeight = (cy+4) * wxMin(wxMax(GetCount(), 3), 10);
 

-    return wxSize(lbWidth, lbHeight);
+    wxSize best(lbWidth, lbHeight);
+    CacheBestSize(best);        
+    return best;

 }
 
 void wxListBox::FixUpMouseEvent(GtkWidget *widget, wxCoord& x, wxCoord& y)
 }
 
 void wxListBox::FixUpMouseEvent(GtkWidget *widget, wxCoord& x, wxCoord& y)