Fixed a crash when GetMonthControl returns NULL

[wxWidgets.git] / src / gtk / win_gtk.c

diff --git a/src/gtk/win_gtk.c b/src/gtk/win_gtk.c
index dcc43deb5b740517fcb4ab82208170402b57262b..d2d3ecdec5c6d3d8f9ed4f9860f32759a0deffea 100644 (file)
--- a/src/gtk/win_gtk.c
+++ b/src/gtk/win_gtk.c
@@ -23,6 +23,8 @@
 extern "C" {
 #endif /* __cplusplus */
 
 extern "C" {
 #endif /* __cplusplus */
 

+#ifndef __WXGTK20__
+

 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>


@@ -30,6 +32,8 @@ extern "C" {
 #define IS_ONSCREEN(x,y) ((x >= G_MINSHORT) && (x <= G_MAXSHORT) && \
                           (y >= G_MINSHORT) && (y <= G_MAXSHORT))
 
 #define IS_ONSCREEN(x,y) ((x >= G_MINSHORT) && (x <= G_MAXSHORT) && \
                           (y >= G_MINSHORT) && (y <= G_MAXSHORT))
 

+#endif
+

 typedef struct _GtkPizzaAdjData  GtkPizzaAdjData;
 
 struct _GtkPizzaAdjData
 typedef struct _GtkPizzaAdjData  GtkPizzaAdjData;
 
 struct _GtkPizzaAdjData


@@ -64,11 +68,12 @@ static void gtk_pizza_forall        (GtkContainer     *container,
                                      gboolean          include_internals,
                                      GtkCallback       callback,
                                      gpointer          callback_data);
                                      gboolean          include_internals,
                                      GtkCallback       callback,
                                      gpointer          callback_data);

+static void     gtk_pizza_allocate_child     (GtkPizza      *pizza,
+                                              GtkPizzaChild *child);

 
 static void     gtk_pizza_position_child     (GtkPizza      *pizza,
                                               GtkPizzaChild *child);
 
 static void     gtk_pizza_position_child     (GtkPizza      *pizza,
                                               GtkPizzaChild *child);

-static void     gtk_pizza_allocate_child     (GtkPizza      *pizza,
-                                              GtkPizzaChild *child);
+#ifndef __WXGTK20__

 static void     gtk_pizza_position_children  (GtkPizza      *pizza);
 
 static void     gtk_pizza_adjust_allocations_recurse (GtkWidget *widget,
 static void     gtk_pizza_position_children  (GtkPizza      *pizza);
 
 static void     gtk_pizza_adjust_allocations_recurse (GtkWidget *widget,


@@ -76,26 +81,13 @@ static void     gtk_pizza_adjust_allocations_recurse (GtkWidget *widget,
 static void     gtk_pizza_adjust_allocations         (GtkPizza  *pizza,
                                                       gint       dx,
                                                       gint       dy);
 static void     gtk_pizza_adjust_allocations         (GtkPizza  *pizza,
                                                       gint       dx,
                                                       gint       dy);

-
-
-/* unused */
-#if 0
-static void     gtk_pizza_expose_area        (GtkPizza       *pizza,
-                                              gint            x,
-                                              gint            y,
-                                              gint            width,
-                                              gint            height);
-static void     gtk_pizza_adjustment_changed (GtkAdjustment  *adjustment,
-                                              GtkPizza       *pizza);
-#endif
-

 static GdkFilterReturn gtk_pizza_filter      (GdkXEvent      *gdk_xevent,
                                               GdkEvent       *event,
                                               gpointer        data);
 static GdkFilterReturn gtk_pizza_main_filter (GdkXEvent      *gdk_xevent,
                                               GdkEvent       *event,
                                               gpointer        data);
 static GdkFilterReturn gtk_pizza_filter      (GdkXEvent      *gdk_xevent,
                                               GdkEvent       *event,
                                               gpointer        data);
 static GdkFilterReturn gtk_pizza_main_filter (GdkXEvent      *gdk_xevent,
                                               GdkEvent       *event,
                                               gpointer        data);

-
+#endif /* __WXGTK20__ */

 
 static GtkType gtk_pizza_child_type (GtkContainer     *container);
 
 
 static GtkType gtk_pizza_child_type (GtkContainer     *container);
 


@@ -104,7 +96,12 @@ static void  gtk_pizza_scroll_set_adjustments (GtkPizza      *pizza,
                                                GtkAdjustment *vadj);
 
 
                                                GtkAdjustment *vadj);
 
 

-static GtkContainerClass *parent_class = NULL;
+#ifdef __WXGTK20__
+       GtkContainerClass *pizza_parent_class = NULL;
+#else
+static GtkContainerClass *pizza_parent_class = NULL;
+#endif
+

 static gboolean gravity_works;
 
 guint
 static gboolean gravity_works;
 
 guint


@@ -114,18 +111,35 @@ gtk_pizza_get_type ()
 
     if (!pizza_type)
     {
 
     if (!pizza_type)
     {

+    
+#ifdef __WXGTK20__
+        static const GTypeInfo pizza_info =
+        {
+            sizeof (GtkPizzaClass),
+            NULL,           /* base_init */
+            NULL,           /* base_finalize */
+            (GClassInitFunc) gtk_pizza_class_init,
+            NULL,           /* class_finalize */
+            NULL,           /* class_data */
+            sizeof (GtkPizza),
+            16,             /* n_preallocs */
+            (GInstanceInitFunc) gtk_pizza_init,
+        };
+        pizza_type = g_type_register_static (GTK_TYPE_CONTAINER, "GtkPizza", &pizza_info, 0);
+#else

         GtkTypeInfo pizza_info =
         {
         GtkTypeInfo pizza_info =
         {

-           "GtkPizza",
-           sizeof (GtkPizza),
-           sizeof (GtkPizzaClass),
-           (GtkClassInitFunc) gtk_pizza_class_init,
-           (GtkObjectInitFunc) gtk_pizza_init,
-           /* reserved_1 */ NULL,
-           /* reserved_2 */ NULL,
-           (GtkClassInitFunc) NULL,
+            "GtkPizza",
+            sizeof (GtkPizza),
+            sizeof (GtkPizzaClass),
+            (GtkClassInitFunc) gtk_pizza_class_init,
+            (GtkObjectInitFunc) gtk_pizza_init,
+            /* reserved_1 */ NULL,
+            /* reserved_2 */ NULL,
+            (GtkClassInitFunc) NULL,

         };
         pizza_type = gtk_type_unique (gtk_container_get_type (), &pizza_info);
         };
         pizza_type = gtk_type_unique (gtk_container_get_type (), &pizza_info);

+#endif

     }
 
     return pizza_type;
     }
 
     return pizza_type;


@@ -141,7 +155,7 @@ gtk_pizza_class_init (GtkPizzaClass *klass)
     object_class = (GtkObjectClass*) klass;
     widget_class = (GtkWidgetClass*) klass;
     container_class = (GtkContainerClass*) klass;
     object_class = (GtkObjectClass*) klass;
     widget_class = (GtkWidgetClass*) klass;
     container_class = (GtkContainerClass*) klass;

-    parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
+    pizza_parent_class = gtk_type_class (GTK_TYPE_CONTAINER);

 
     widget_class->map = gtk_pizza_map;
     widget_class->realize = gtk_pizza_realize;
 
     widget_class->map = gtk_pizza_map;
     widget_class->realize = gtk_pizza_realize;


@@ -308,22 +322,7 @@ gtk_pizza_put (GtkPizza   *pizza,
        GTK_PRIVATE_SET_FLAG (widget, GTK_IS_OFFSCREEN);
 #endif
 
        GTK_PRIVATE_SET_FLAG (widget, GTK_IS_OFFSCREEN);
 #endif
 

-/*
-    if (GTK_WIDGET_REALIZED (pizza))
-        gtk_widget_realize (widget);
-*/
-

     gtk_widget_set_usize (widget, width, height);
     gtk_widget_set_usize (widget, width, height);

-
-/*
-    if (GTK_WIDGET_VISIBLE (pizza) && GTK_WIDGET_VISIBLE (widget))
-    {
-        if (GTK_WIDGET_MAPPED (pizza))
-            gtk_widget_map (widget);
-
-        gtk_widget_queue_resize (widget);
-    }
-*/

 }
 
 void
 }
 
 void


@@ -514,7 +513,6 @@ gtk_pizza_realize (GtkWidget *widget)
     g_return_if_fail (GTK_IS_PIZZA (widget));
 
     pizza = GTK_PIZZA (widget);
     g_return_if_fail (GTK_IS_PIZZA (widget));
 
     pizza = GTK_PIZZA (widget);

-

     GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 
     attributes.window_type = GDK_WINDOW_CHILD;
     GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 
     attributes.window_type = GDK_WINDOW_CHILD;


@@ -567,6 +565,9 @@ gtk_pizza_realize (GtkWidget *widget)
 
     attributes.event_mask = gtk_widget_get_events (widget);
     attributes.event_mask |= GDK_EXPOSURE_MASK              |
 
     attributes.event_mask = gtk_widget_get_events (widget);
     attributes.event_mask |= GDK_EXPOSURE_MASK              |

+#ifdef __WXGTK20__
+                             GDK_SCROLL_MASK                |
+#endif

                              GDK_POINTER_MOTION_MASK        |
                              GDK_POINTER_MOTION_HINT_MASK   |
                              GDK_BUTTON_MOTION_MASK         |
                              GDK_POINTER_MOTION_MASK        |
                              GDK_POINTER_MOTION_HINT_MASK   |
                              GDK_BUTTON_MOTION_MASK         |


@@ -594,9 +595,11 @@ gtk_pizza_realize (GtkWidget *widget)
     gdk_window_set_back_pixmap( pizza->bin_window, NULL, FALSE );
 */
 
     gdk_window_set_back_pixmap( pizza->bin_window, NULL, FALSE );
 */
 

+#ifndef __WXGTK20__

     /* add filters for intercepting visibility and expose events */
     gdk_window_add_filter (widget->window, gtk_pizza_main_filter, pizza);
     gdk_window_add_filter (pizza->bin_window, gtk_pizza_filter, pizza);
     /* add filters for intercepting visibility and expose events */
     gdk_window_add_filter (widget->window, gtk_pizza_main_filter, pizza);
     gdk_window_add_filter (pizza->bin_window, gtk_pizza_filter, pizza);

+#endif

 
     /* we NEED gravity or we'll give up */
     gravity_works = gdk_window_set_static_gravities (pizza->bin_window, TRUE);
 
     /* we NEED gravity or we'll give up */
     gravity_works = gdk_window_set_static_gravities (pizza->bin_window, TRUE);


@@ -626,8 +629,8 @@ gtk_pizza_unrealize (GtkWidget *widget)
     gdk_window_destroy (pizza->bin_window);
     pizza->bin_window = NULL;
 
     gdk_window_destroy (pizza->bin_window);
     pizza->bin_window = NULL;
 

-    if (GTK_WIDGET_CLASS (parent_class)->unrealize)
-       (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
+    if (GTK_WIDGET_CLASS (pizza_parent_class)->unrealize)
+       (* GTK_WIDGET_CLASS (pizza_parent_class)->unrealize) (widget);

 }
 
 static void
 }
 
 static void


@@ -766,13 +769,21 @@ gtk_pizza_expose (GtkWidget      *widget,
 
     pizza = GTK_PIZZA (widget);
 
 
     pizza = GTK_PIZZA (widget);
 

-    /* Sometimes, We handle all expose events in window.cpp now. */
-    if (pizza->external_expose)
+    if (event->window != pizza->bin_window)

         return FALSE;
 
         return FALSE;
 

-    if (event->window != pizza->bin_window)
+    /* We handle all expose events in window.cpp now. */
+    if (pizza->external_expose)

         return FALSE;
 
         return FALSE;
 

+#ifdef __WXGTK20__
+
+    (* GTK_WIDGET_CLASS (pizza_parent_class)->expose_event) (widget, event);
+    
+    return FALSE;
+    
+#else
+

     children = pizza->children;
     while (children)
     {
     children = pizza->children;
     while (children)
     {


@@ -788,8 +799,10 @@ gtk_pizza_expose (GtkWidget      *widget,
             gtk_widget_event (child->widget, (GdkEvent*) &child_event);
         }
     }
             gtk_widget_event (child->widget, (GdkEvent*) &child_event);
         }
     }

-
+    

     return TRUE;
     return TRUE;

+    
+#endif

 }
 
 static void
 }
 
 static void


@@ -873,9 +886,21 @@ gtk_pizza_forall (GtkContainer *container,
     }
 }
 
     }
 }
 

+static void
+gtk_pizza_allocate_child (GtkPizza      *pizza,
+                          GtkPizzaChild *child)
+{
+    GtkAllocation allocation;
+    GtkRequisition requisition;

 
 

-/* Operations on children
- */
+    allocation.x = child->x - pizza->xoffset;
+    allocation.y = child->y - pizza->yoffset;
+    gtk_widget_get_child_requisition (child->widget, &requisition);
+    allocation.width = requisition.width;
+    allocation.height = requisition.height;
+
+    gtk_widget_size_allocate (child->widget, &allocation);
+}

 
 static void
 gtk_pizza_position_child (GtkPizza      *pizza,
 
 static void
 gtk_pizza_position_child (GtkPizza      *pizza,


@@ -887,6 +912,7 @@ gtk_pizza_position_child (GtkPizza      *pizza,
     x = child->x - pizza->xoffset;
     y = child->y - pizza->yoffset;
 
     x = child->x - pizza->xoffset;
     y = child->y - pizza->yoffset;
 

+#ifndef __WXGTK20__

     if (IS_ONSCREEN (x,y))
     {
         if (GTK_WIDGET_MAPPED (pizza) &&
     if (IS_ONSCREEN (x,y))
     {
         if (GTK_WIDGET_MAPPED (pizza) &&


@@ -896,38 +922,21 @@ gtk_pizza_position_child (GtkPizza      *pizza,
                 gtk_widget_map (child->widget);
         }
 
                 gtk_widget_map (child->widget);
         }
 

-#ifndef __WXGTK20__

         if (GTK_WIDGET_IS_OFFSCREEN (child->widget))
             GTK_PRIVATE_UNSET_FLAG (child->widget, GTK_IS_OFFSCREEN);
         if (GTK_WIDGET_IS_OFFSCREEN (child->widget))
             GTK_PRIVATE_UNSET_FLAG (child->widget, GTK_IS_OFFSCREEN);

-#endif

     }
     else
     {
     }
     else
     {

-#ifndef __WXGTK20__

         if (!GTK_WIDGET_IS_OFFSCREEN (child->widget))
             GTK_PRIVATE_SET_FLAG (child->widget, GTK_IS_OFFSCREEN);
         if (!GTK_WIDGET_IS_OFFSCREEN (child->widget))
             GTK_PRIVATE_SET_FLAG (child->widget, GTK_IS_OFFSCREEN);

-#endif

 
         if (GTK_WIDGET_MAPPED (child->widget))
             gtk_widget_unmap (child->widget);
     }
 
         if (GTK_WIDGET_MAPPED (child->widget))
             gtk_widget_unmap (child->widget);
     }

+#endif

 }
 
 }
 

-static void
-gtk_pizza_allocate_child (GtkPizza      *pizza,
-                          GtkPizzaChild *child)
-{
-    GtkAllocation allocation;
-    GtkRequisition requisition;
-
-    allocation.x = child->x - pizza->xoffset;
-    allocation.y = child->y - pizza->yoffset;
-    gtk_widget_get_child_requisition (child->widget, &requisition);
-    allocation.width = requisition.width;
-    allocation.height = requisition.height;
-
-    gtk_widget_size_allocate (child->widget, &allocation);
-}
+#ifndef __WXGTK20__

 
 static void
 gtk_pizza_position_children (GtkPizza *pizza)
 
 static void
 gtk_pizza_position_children (GtkPizza *pizza)


@@ -991,39 +1000,7 @@ gtk_pizza_adjust_allocations (GtkPizza *pizza,
     }
 }
 
     }
 }
 

-/* Callbacks */
-
-/* unused */
-#if 0
-/* Send a synthetic expose event to the widget
- */
-static void
-gtk_pizza_expose_area (GtkPizza    *pizza,
-                        gint x, gint y, gint width, gint height)
-{
-    if (pizza->visibility == GDK_VISIBILITY_UNOBSCURED)
-    {
-        GdkEventExpose event;
-
-        event.type = GDK_EXPOSE;
-        event.send_event = TRUE;
-        event.window = pizza->bin_window;
-        event.count = 0;
-
-        event.area.x = x;
-        event.area.y = y;
-        event.area.width = width;
-        event.area.height = height;
-
-        gdk_window_ref (event.window);
-        gtk_widget_event (GTK_WIDGET (pizza), (GdkEvent *)&event);
-        gdk_window_unref (event.window);
-    }
-}
-#endif /* unused */
-
-/* This function is used to find events to process while scrolling
- */
+/* This function is used to find events to process while scrolling */

 
 static Bool
 gtk_pizza_expose_predicate (Display *display,
 
 static Bool
 gtk_pizza_expose_predicate (Display *display,


@@ -1274,6 +1251,8 @@ gtk_pizza_main_filter (GdkXEvent *gdk_xevent,
     return GDK_FILTER_CONTINUE;
 }
 
     return GDK_FILTER_CONTINUE;
 }
 

+#endif /* __WXGTK20__ */
+

 
 #ifdef __cplusplus
 }
 
 #ifdef __cplusplus
 }