Eliminate a warning

[wxWidgets.git] / src / gtk1 / win_gtk.c

diff --git a/src/gtk1/win_gtk.c b/src/gtk1/win_gtk.c
index 20d0181db6d4cdc22fc4e66afb2239c9c62c6abe..c14edde8c745c3b94639439c95cfd350ac99cd08 100644 (file)
--- a/src/gtk1/win_gtk.c
+++ b/src/gtk1/win_gtk.c
@@ -1,19 +1,20 @@
 /* ///////////////////////////////////////////////////////////////////////////
 /* ///////////////////////////////////////////////////////////////////////////

-// Name:        win_gtk.c
-// Purpose:     Native GTK+ widget for wxWindows, based on GtkLayout and
+// Name:        src/gtk1/win_gtk.c
+// Purpose:     Native GTK+ widget for wxWidgets, based on GtkLayout and

 //              GtkFixed. It makes use of the gravity window property and
 //              therefore does not work with GTK 1.0.
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
 //              GtkFixed. It makes use of the gravity window property and
 //              therefore does not work with GTK 1.0.
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling

-// Licence:     wxWindows licence
+// Licence:     wxWidgets licence

 /////////////////////////////////////////////////////////////////////////// */
 
 /////////////////////////////////////////////////////////////////////////// */
 

-#include "wx/gtk/win_gtk.h"
-#ifdef __VMS
-#define gtk_widget_get_child_requisition gtk_widget_get_child_requisitio
-#define gtk_marshal_NONE__POINTER_POINTER gtk_marshal_NONE__POINTER_POINT
+#ifdef VMS
+#define XCheckIfEvent XCHECKIFEVENT

 #endif
 #endif

+
+#include "wx/platform.h"
+#include "wx/gtk1/win_gtk.h"

 #include "gtk/gtksignal.h"
 #include "gtk/gtkprivate.h"
 #include "gdk/gdkx.h"
 #include "gtk/gtksignal.h"
 #include "gtk/gtkprivate.h"
 #include "gdk/gdkx.h"


@@ -29,6 +30,7 @@ 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))
 

+

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


@@ -53,6 +55,8 @@ static void gtk_pizza_draw          (GtkWidget        *widget,
                                      GdkRectangle     *area);
 static gint gtk_pizza_expose        (GtkWidget        *widget,
                                      GdkEventExpose   *event);
                                      GdkRectangle     *area);
 static gint gtk_pizza_expose        (GtkWidget        *widget,
                                      GdkEventExpose   *event);

+static void gtk_pizza_style_set     (GtkWidget *widget,
+                                     GtkStyle  *previous_style);

 static void gtk_pizza_add           (GtkContainer     *container,
                                      GtkWidget        *widget);
 static void gtk_pizza_remove        (GtkContainer     *container,
 static void gtk_pizza_add           (GtkContainer     *container,
                                      GtkWidget        *widget);
 static void gtk_pizza_remove        (GtkContainer     *container,


@@ -62,26 +66,15 @@ static void gtk_pizza_forall        (GtkContainer     *container,
                                      GtkCallback       callback,
                                      gpointer          callback_data);
 
                                      GtkCallback       callback,
                                      gpointer          callback_data);
 

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

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

-static void     gtk_pizza_position_children  (GtkPizza      *pizza);
-

 static void     gtk_pizza_adjust_allocations_recurse (GtkWidget *widget,
                                                       gpointer   cb_data);
 static void     gtk_pizza_adjust_allocations_recurse (GtkWidget *widget,
                                                       gpointer   cb_data);

-static void     gtk_pizza_adjust_allocations         (GtkPizza  *pizza,
-                                                      gint       dx,
-                                                      gint       dy);
-
-
-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);
+
+static void     gtk_pizza_position_child     (GtkPizza      *pizza,
+                                              GtkPizzaChild *child);
+static void     gtk_pizza_position_children  (GtkPizza      *pizza);
+

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


@@ -89,7 +82,6 @@ static GdkFilterReturn gtk_pizza_main_filter (GdkXEvent      *gdk_xevent,
                                               GdkEvent       *event,
                                               gpointer        data);
 
                                               GdkEvent       *event,
                                               gpointer        data);
 

-

 static GtkType gtk_pizza_child_type (GtkContainer     *container);
 
 static void  gtk_pizza_scroll_set_adjustments (GtkPizza      *pizza,
 static GtkType gtk_pizza_child_type (GtkContainer     *container);
 
 static void  gtk_pizza_scroll_set_adjustments (GtkPizza      *pizza,


@@ -97,26 +89,27 @@ static void  gtk_pizza_scroll_set_adjustments (GtkPizza      *pizza,
                                                GtkAdjustment *vadj);
 
 
                                                GtkAdjustment *vadj);
 
 

-static GtkContainerClass *parent_class = NULL;
+static GtkContainerClass *pizza_parent_class = NULL;
+

 static gboolean gravity_works;
 
 static gboolean gravity_works;
 

-guint
+GtkType

 gtk_pizza_get_type ()
 {
 gtk_pizza_get_type ()
 {

-    static guint pizza_type = 0;
+    static GtkType pizza_type = 0;

 
     if (!pizza_type)
     {
         GtkTypeInfo pizza_info =
         {
 
     if (!pizza_type)
     {
         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);
     }


@@ -134,7 +127,7 @@ 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;


@@ -143,6 +136,7 @@ gtk_pizza_class_init (GtkPizzaClass *klass)
     widget_class->size_allocate = gtk_pizza_size_allocate;
     widget_class->draw = gtk_pizza_draw;
     widget_class->expose_event = gtk_pizza_expose;
     widget_class->size_allocate = gtk_pizza_size_allocate;
     widget_class->draw = gtk_pizza_draw;
     widget_class->expose_event = gtk_pizza_expose;

+    widget_class->style_set = gtk_pizza_style_set;

 
     container_class->add = gtk_pizza_add;
     container_class->remove = gtk_pizza_remove;
 
     container_class->add = gtk_pizza_add;
     container_class->remove = gtk_pizza_remove;


@@ -180,7 +174,7 @@ gtk_pizza_init (GtkPizza *pizza)
     pizza->height = 20;
 
     pizza->bin_window = NULL;
     pizza->height = 20;
 
     pizza->bin_window = NULL;

-    
+

     pizza->xoffset = 0;
     pizza->yoffset = 0;
 
     pizza->xoffset = 0;
     pizza->yoffset = 0;
 


@@ -241,7 +235,7 @@ gtk_pizza_set_clear (GtkPizza  *pizza,
     pizza->clear_on_draw = clear;
 }
 
     pizza->clear_on_draw = clear;
 }
 

-void       
+void

 gtk_pizza_set_filter (GtkPizza  *pizza,
                       gboolean   use)
 {
 gtk_pizza_set_filter (GtkPizza  *pizza,
                       gboolean   use)
 {


@@ -249,9 +243,9 @@ gtk_pizza_set_filter (GtkPizza  *pizza,
     g_return_if_fail (GTK_IS_PIZZA (pizza));
 
     pizza->use_filter = use;
     g_return_if_fail (GTK_IS_PIZZA (pizza));
 
     pizza->use_filter = use;

-}      
-                                       
-void       
+}
+
+void

 gtk_pizza_set_external (GtkPizza  *pizza,
                         gboolean   expose)
 {
 gtk_pizza_set_external (GtkPizza  *pizza,
                         gboolean   expose)
 {


@@ -285,30 +279,15 @@ gtk_pizza_put (GtkPizza   *pizza,
 
     pizza->children = g_list_append (pizza->children, child_info);
 
 
     pizza->children = g_list_append (pizza->children, child_info);
 

-    gtk_widget_set_parent (widget, GTK_WIDGET (pizza));
-

     if (GTK_WIDGET_REALIZED (pizza))
       gtk_widget_set_parent_window (widget, pizza->bin_window);
 
     if (GTK_WIDGET_REALIZED (pizza))
       gtk_widget_set_parent_window (widget, pizza->bin_window);
 

+    gtk_widget_set_parent (widget, GTK_WIDGET (pizza));
+

     if (!IS_ONSCREEN (x, y))
        GTK_PRIVATE_SET_FLAG (widget, GTK_IS_OFFSCREEN);
 
     if (!IS_ONSCREEN (x, y))
        GTK_PRIVATE_SET_FLAG (widget, GTK_IS_OFFSCREEN);
 

-/*
-    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


@@ -424,6 +403,33 @@ gtk_pizza_set_size (GtkPizza   *pizza,
     }
 }
 
     }
 }
 

+gint
+gtk_pizza_child_resized  (GtkPizza   *pizza,
+                          GtkWidget  *widget)
+{
+    GtkPizzaChild *child;
+    GList *children;
+
+    g_return_val_if_fail (pizza != NULL, FALSE);
+    g_return_val_if_fail (GTK_IS_PIZZA (pizza), FALSE);
+    g_return_val_if_fail (widget != NULL, FALSE);
+
+    children = pizza->children;
+    while (children)
+    {
+        child = children->data;
+        children = children->next;
+
+        if (child->widget == widget)
+        {
+            return ((child->width == widget->allocation.width) &&
+                    (child->height == widget->allocation.height));
+        }
+    }
+
+    return FALSE;
+}
+

 static void
 gtk_pizza_map (GtkWidget *widget)
 {
 static void
 gtk_pizza_map (GtkWidget *widget)
 {


@@ -468,7 +474,6 @@ 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;


@@ -478,18 +483,20 @@ gtk_pizza_realize (GtkWidget *widget)
     attributes.width = widget->allocation.width;
     attributes.height = widget->allocation.height;
 
     attributes.width = widget->allocation.width;
     attributes.height = widget->allocation.height;
 

+#ifndef __WXUNIVERSAL__

     if (pizza->shadow_type == GTK_MYSHADOW_NONE)
     {
         /* no border, no changes to sizes */
     if (pizza->shadow_type == GTK_MYSHADOW_NONE)
     {
         /* no border, no changes to sizes */

-    } else
-    if (pizza->shadow_type == GTK_MYSHADOW_THIN)
+    }
+    else if (pizza->shadow_type == GTK_MYSHADOW_THIN)

     {
         /* GTK_MYSHADOW_THIN == wxSIMPLE_BORDER */
         attributes.x += 1;
         attributes.y += 1;
         attributes.width -= 2;
         attributes.height -= 2;
     {
         /* GTK_MYSHADOW_THIN == wxSIMPLE_BORDER */
         attributes.x += 1;
         attributes.y += 1;
         attributes.width -= 2;
         attributes.height -= 2;

-    } else
+    }
+    else

     {
         /* GTK_MYSHADOW_IN == wxSUNKEN_BORDER */
         /* GTK_MYSHADOW_OUT == wxRAISED_BORDER */
     {
         /* GTK_MYSHADOW_IN == wxSUNKEN_BORDER */
         /* GTK_MYSHADOW_OUT == wxRAISED_BORDER */


@@ -498,6 +505,7 @@ gtk_pizza_realize (GtkWidget *widget)
         attributes.width -= 4;
         attributes.height -= 4;
     }
         attributes.width -= 4;
         attributes.height -= 4;
     }

+#endif /* __WXUNIVERSAL__ */

 
     /* minimal size */
     if (attributes.width < 2) attributes.width = 2;
 
     /* minimal size */
     if (attributes.width < 2) attributes.width = 2;


@@ -506,8 +514,7 @@ gtk_pizza_realize (GtkWidget *widget)
     attributes.wclass = GDK_INPUT_OUTPUT;
     attributes.visual = gtk_widget_get_visual (widget);
     attributes.colormap = gtk_widget_get_colormap (widget);
     attributes.wclass = GDK_INPUT_OUTPUT;
     attributes.visual = gtk_widget_get_visual (widget);
     attributes.colormap = gtk_widget_get_colormap (widget);

-    attributes.event_mask =
-       GDK_VISIBILITY_NOTIFY_MASK;
+    attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK;

     attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 
     widget->window = gdk_window_new(gtk_widget_get_parent_window (widget),
     attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 
     widget->window = gdk_window_new(gtk_widget_get_parent_window (widget),


@@ -518,21 +525,20 @@ gtk_pizza_realize (GtkWidget *widget)
     attributes.y = 0;
 
     attributes.event_mask = gtk_widget_get_events (widget);
     attributes.y = 0;
 
     attributes.event_mask = gtk_widget_get_events (widget);

-    attributes.event_mask |=
-       GDK_EXPOSURE_MASK        |
-       GDK_POINTER_MOTION_MASK        |
-       GDK_POINTER_MOTION_HINT_MASK  |
-       GDK_BUTTON_MOTION_MASK        |
-       GDK_BUTTON1_MOTION_MASK        |
-       GDK_BUTTON2_MOTION_MASK        |
-       GDK_BUTTON3_MOTION_MASK        |
-       GDK_BUTTON_PRESS_MASK        |
-       GDK_BUTTON_RELEASE_MASK        |
-       GDK_KEY_PRESS_MASK        |
-       GDK_KEY_RELEASE_MASK        |
-       GDK_ENTER_NOTIFY_MASK        |
-       GDK_LEAVE_NOTIFY_MASK        |
-       GDK_FOCUS_CHANGE_MASK;
+    attributes.event_mask |= GDK_EXPOSURE_MASK              |
+                             GDK_POINTER_MOTION_MASK        |
+                             GDK_POINTER_MOTION_HINT_MASK   |
+                             GDK_BUTTON_MOTION_MASK         |
+                             GDK_BUTTON1_MOTION_MASK        |
+                             GDK_BUTTON2_MOTION_MASK        |
+                             GDK_BUTTON3_MOTION_MASK        |
+                             GDK_BUTTON_PRESS_MASK          |
+                             GDK_BUTTON_RELEASE_MASK        |
+                             GDK_KEY_PRESS_MASK             |
+                             GDK_KEY_RELEASE_MASK           |
+                             GDK_ENTER_NOTIFY_MASK          |
+                             GDK_LEAVE_NOTIFY_MASK          |
+                             GDK_FOCUS_CHANGE_MASK;

 
     pizza->bin_window = gdk_window_new(widget->window,
                                           &attributes, attributes_mask);
 
     pizza->bin_window = gdk_window_new(widget->window,
                                           &attributes, attributes_mask);


@@ -542,6 +548,11 @@ gtk_pizza_realize (GtkWidget *widget)
     gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
     gtk_style_set_background (widget->style, pizza->bin_window, GTK_STATE_NORMAL );
 
     gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
     gtk_style_set_background (widget->style, pizza->bin_window, GTK_STATE_NORMAL );
 

+/*
+    gdk_window_set_back_pixmap( widget->window, NULL, FALSE );
+    gdk_window_set_back_pixmap( pizza->bin_window, NULL, FALSE );
+*/
+

     /* 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);


@@ -574,8 +585,8 @@ 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


@@ -710,11 +721,11 @@ 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;
 
     children = pizza->children;
         return FALSE;
 
     children = pizza->children;


@@ -732,10 +743,22 @@ 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;
 }
 

+static void
+gtk_pizza_style_set(GtkWidget *widget, GtkStyle  *previous_style)
+{
+    if (GTK_WIDGET_REALIZED(widget))
+    {
+        gtk_style_set_background(widget->style, widget->window, GTK_STATE_NORMAL);
+        gtk_style_set_background(widget->style, GTK_PIZZA(widget)->bin_window, GTK_STATE_NORMAL );
+    }
+
+    (* GTK_WIDGET_CLASS (pizza_parent_class)->style_set) (widget, previous_style);
+}
+

 static void
 gtk_pizza_add (GtkContainer *container,
                GtkWidget    *widget)
 static void
 gtk_pizza_add (GtkContainer *container,
                GtkWidget    *widget)


@@ -801,7 +824,7 @@ gtk_pizza_forall (GtkContainer *container,
 
     g_return_if_fail (container != NULL);
     g_return_if_fail (GTK_IS_PIZZA (container));
 
     g_return_if_fail (container != NULL);
     g_return_if_fail (GTK_IS_PIZZA (container));

-    g_return_if_fail (callback != NULL);
+    g_return_if_fail (callback != (GtkCallback)NULL);

 
     pizza = GTK_PIZZA (container);
 
 
     pizza = GTK_PIZZA (container);
 


@@ -815,42 +838,6 @@ gtk_pizza_forall (GtkContainer *container,
     }
 }
 
     }
 }
 

-
-/* Operations on children
- */
-
-static void
-gtk_pizza_position_child (GtkPizza      *pizza,
-                          GtkPizzaChild *child)
-{
-    gint x;
-    gint y;
-
-    x = child->x - pizza->xoffset;
-    y = child->y - pizza->yoffset;
-
-    if (IS_ONSCREEN (x,y))
-    {
-        if (GTK_WIDGET_MAPPED (pizza) &&
-          GTK_WIDGET_VISIBLE (child->widget))
-        {
-            if (!GTK_WIDGET_MAPPED (child->widget))
-                gtk_widget_map (child->widget);
-        }
-
-        if (GTK_WIDGET_IS_OFFSCREEN (child->widget))
-            GTK_PRIVATE_UNSET_FLAG (child->widget, GTK_IS_OFFSCREEN);
-    }
-    else
-    {
-        if (!GTK_WIDGET_IS_OFFSCREEN (child->widget))
-            GTK_PRIVATE_SET_FLAG (child->widget, GTK_IS_OFFSCREEN);
-
-        if (GTK_WIDGET_MAPPED (child->widget))
-            gtk_widget_unmap (child->widget);
-    }
-}
-

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


@@ -867,21 +854,6 @@ gtk_pizza_allocate_child (GtkPizza      *pizza,
     gtk_widget_size_allocate (child->widget, &allocation);
 }
 
     gtk_widget_size_allocate (child->widget, &allocation);
 }
 

-static void
-gtk_pizza_position_children (GtkPizza *pizza)
-{
-    GList *tmp_list;
-
-    tmp_list = pizza->children;
-    while (tmp_list)
-    {
-        GtkPizzaChild *child = tmp_list->data;
-        tmp_list = tmp_list->next;
-
-        gtk_pizza_position_child (pizza, child);
-    }
-}
-

 static void
 gtk_pizza_adjust_allocations_recurse (GtkWidget *widget,
                                        gpointer   cb_data)
 static void
 gtk_pizza_adjust_allocations_recurse (GtkWidget *widget,
                                        gpointer   cb_data)


@@ -929,48 +901,65 @@ gtk_pizza_adjust_allocations (GtkPizza *pizza,
     }
 }
 
     }
 }
 

-/* Callbacks */
-
-/* Send a synthetic expose event to the widget
- */

 static void
 static void

-gtk_pizza_expose_area (GtkPizza    *pizza,
-                        gint x, gint y, gint width, gint height)
+gtk_pizza_position_child (GtkPizza      *pizza,
+                          GtkPizzaChild *child)

 {
 {

-    if (pizza->visibility == GDK_VISIBILITY_UNOBSCURED)
-    {
-        GdkEventExpose event;
+    gint x;
+    gint y;

 
 

-        event.type = GDK_EXPOSE;
-        event.send_event = TRUE;
-        event.window = pizza->bin_window;
-        event.count = 0;
+    x = child->x - pizza->xoffset;
+    y = child->y - pizza->yoffset;
+
+    if (IS_ONSCREEN (x,y))
+    {
+        if (GTK_WIDGET_MAPPED (pizza) &&
+          GTK_WIDGET_VISIBLE (child->widget))
+        {
+            if (!GTK_WIDGET_MAPPED (child->widget))
+                gtk_widget_map (child->widget);
+        }

 
 

-        event.area.x = x;
-        event.area.y = y;
-        event.area.width = width;
-        event.area.height = height;
+        if (GTK_WIDGET_IS_OFFSCREEN (child->widget))
+            GTK_PRIVATE_UNSET_FLAG (child->widget, GTK_IS_OFFSCREEN);
+    }
+    else
+    {
+        if (!GTK_WIDGET_IS_OFFSCREEN (child->widget))
+            GTK_PRIVATE_SET_FLAG (child->widget, GTK_IS_OFFSCREEN);

 
 

-        gdk_window_ref (event.window);
-        gtk_widget_event (GTK_WIDGET (pizza), (GdkEvent *)&event);
-        gdk_window_unref (event.window);
+        if (GTK_WIDGET_MAPPED (child->widget))
+            gtk_widget_unmap (child->widget);

     }
 }
 
     }
 }
 

-/* This function is used to find events to process while scrolling
- */
+static void
+gtk_pizza_position_children (GtkPizza *pizza)
+{
+    GList *tmp_list;
+
+    tmp_list = pizza->children;
+    while (tmp_list)
+    {
+        GtkPizzaChild *child = tmp_list->data;
+        tmp_list = tmp_list->next;

 
 

+        gtk_pizza_position_child (pizza, child);
+    }
+}
+
+/* This function is used to find events to process while scrolling */

 static Bool
 gtk_pizza_expose_predicate (Display *display,
                   XEvent  *xevent,
                   XPointer arg)
 {
 static Bool
 gtk_pizza_expose_predicate (Display *display,
                   XEvent  *xevent,
                   XPointer arg)
 {

-  if ((xevent->type == Expose) ||
-      ((xevent->xany.window == *(Window *)arg) &&
+    if ((xevent->type == Expose) ||
+       ((xevent->xany.window == *(Window *)arg) &&

        (xevent->type == ConfigureNotify)))
        (xevent->type == ConfigureNotify)))

-    return True;
-  else
-    return False;
+        return True;
+    else
+        return False;

 }
 
 /* This is the main routine to do the scrolling. Scrolling is
 }
 
 /* This is the main routine to do the scrolling. Scrolling is


@@ -988,40 +977,41 @@ gtk_pizza_expose_predicate (Display *display,
 void
 gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy)
 {
 void
 gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy)
 {

-  GtkWidget *widget;
-  XEvent xevent;
+    GtkWidget *widget;
+    XEvent xevent;
+    XID win;

 
 

-  gint x,y,w,h,border;
+    gint x,y,w,h,border;

 
 

-  widget = GTK_WIDGET (pizza);
+    widget = GTK_WIDGET (pizza);

 
 

-  pizza->xoffset += dx;
-  pizza->yoffset += dy;
+    pizza->xoffset += dx;
+    pizza->yoffset += dy;

 
 

-  if (!GTK_WIDGET_MAPPED (pizza))
+    if (!GTK_WIDGET_MAPPED (pizza))

     {
     {

-      gtk_pizza_position_children (pizza);
-      return;
+        gtk_pizza_position_children (pizza);
+        return;

     }
 
     }
 

-  gtk_pizza_adjust_allocations (pizza, -dx, -dy);
+    gtk_pizza_adjust_allocations (pizza, -dx, -dy);

 
 

-  if (pizza->shadow_type == GTK_MYSHADOW_NONE)
-    border = 0;
-  else
-  if (pizza->shadow_type == GTK_MYSHADOW_THIN)
-    border = 1;
-  else
-    border = 2;
+    if (pizza->shadow_type == GTK_MYSHADOW_NONE)
+        border = 0;
+    else
+    if (pizza->shadow_type == GTK_MYSHADOW_THIN)
+        border = 1;
+    else
+        border = 2;

 
 

-  x = 0;
-  y = 0;
-  w = widget->allocation.width - 2*border;
-  h = widget->allocation.height - 2*border;
+    x = 0;
+    y = 0;
+    w = widget->allocation.width - 2*border;
+    h = widget->allocation.height - 2*border;

 
 

-  if (dx > 0)
+    if (dx > 0)

     {
     {

-      if (gravity_works)
+        if (gravity_works)

         {
           gdk_window_resize (pizza->bin_window,
                              w + dx,
         {
           gdk_window_resize (pizza->bin_window,
                              w + dx,


@@ -1029,20 +1019,14 @@ gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy)
           gdk_window_move   (pizza->bin_window, x-dx, y);
           gdk_window_move_resize (pizza->bin_window, x, y, w, h );
         }
           gdk_window_move   (pizza->bin_window, x-dx, y);
           gdk_window_move_resize (pizza->bin_window, x, y, w, h );
         }

-      else
+        else

         {
           /* FIXME */
         }
         {
           /* FIXME */
         }

-
-      gtk_pizza_expose_area (pizza,
-                              MAX ((gint)w - dx, 0),
-                              0,
-                              MIN (dx, w),
-                              h);

     }
     }

-  else if (dx < 0)
+    else if (dx < 0)

     {
     {

-      if (gravity_works)
+        if (gravity_works)

         {
           gdk_window_move_resize (pizza->bin_window,
                                   x + dx,
         {
           gdk_window_move_resize (pizza->bin_window,
                                   x + dx,


@@ -1052,107 +1036,81 @@ gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy)
           gdk_window_move   (pizza->bin_window, x, y);
           gdk_window_resize (pizza->bin_window, w, h );
         }
           gdk_window_move   (pizza->bin_window, x, y);
           gdk_window_resize (pizza->bin_window, w, h );
         }

-      else
+        else

         {
           /* FIXME */
         }
         {
           /* FIXME */
         }

-
-      gtk_pizza_expose_area (pizza,
-                              0,
-                              0,
-                              MIN (-dx, w),
-                              h);

     }
 
     }
 

-  if (dy > 0)
+    if (dy > 0)

     {
     {

-      if (gravity_works)
+        if (gravity_works)

         {
           gdk_window_resize (pizza->bin_window, w, h + dy);
           gdk_window_move   (pizza->bin_window, x, y-dy);
           gdk_window_move_resize (pizza->bin_window,
                                   x, y, w, h );
         }
         {
           gdk_window_resize (pizza->bin_window, w, h + dy);
           gdk_window_move   (pizza->bin_window, x, y-dy);
           gdk_window_move_resize (pizza->bin_window,
                                   x, y, w, h );
         }

-      else
+        else

         {
           /* FIXME */
         }
         {
           /* FIXME */
         }

-
-      gtk_pizza_expose_area (pizza,
-                              0,
-                              MAX ((gint)h - dy, 0),
-                              w,
-                              MIN (dy, h));

     }
     }

-  else if (dy < 0)
+    else if (dy < 0)

     {
     {

-      if (gravity_works)
+        if (gravity_works)

         {
           gdk_window_move_resize (pizza->bin_window,
                                   x, y+dy, w, h - dy );
           gdk_window_move   (pizza->bin_window, x, y);
           gdk_window_resize (pizza->bin_window, w, h );
         }
         {
           gdk_window_move_resize (pizza->bin_window,
                                   x, y+dy, w, h - dy );
           gdk_window_move   (pizza->bin_window, x, y);
           gdk_window_resize (pizza->bin_window, w, h );
         }

-      else
+        else

         {
           /* FIXME */
         }
         {
           /* FIXME */
         }

-      gtk_pizza_expose_area (pizza,
-                              0,
-                              0,
-                              w,
-                              MIN (-dy, (gint)h));

     }
 
     }
 

-  gtk_pizza_position_children (pizza);
-
-  /* We have to make sure that all exposes from this scroll get
-   * processed before we scroll again, or the expose events will
-   * have invalid coordinates.
-   *
-   * We also do expose events for other windows, since otherwise
-   * their updating will fall behind the scrolling
-   *
-   * This also avoids a problem in pre-1.0 GTK where filters don't
-   * have access to configure events that were compressed.
-   */
-
-  gdk_flush();
-  while (XCheckIfEvent(GDK_WINDOW_XDISPLAY (pizza->bin_window),
-                       &xevent,
-                       gtk_pizza_expose_predicate,
-                       (XPointer)&GDK_WINDOW_XWINDOW (pizza->bin_window)))
+    gtk_pizza_position_children (pizza);
+
+    gdk_flush();
+
+    win = GDK_WINDOW_XWINDOW (pizza->bin_window);
+    while (XCheckIfEvent(GDK_WINDOW_XDISPLAY (pizza->bin_window),
+                         &xevent,
+                         gtk_pizza_expose_predicate,
+                         (XPointer)&win))

     {
     {

-      GdkEvent event;
-      GtkWidget *event_widget;
+        GdkEvent event;
+        GtkWidget *event_widget;

 
 

-      if ((xevent.xany.window == GDK_WINDOW_XWINDOW (pizza->bin_window)) &&
-          (gtk_pizza_filter (&xevent, &event, pizza) == GDK_FILTER_REMOVE))
-        continue;
+        if ((xevent.xany.window == GDK_WINDOW_XWINDOW (pizza->bin_window)) )
+            gtk_pizza_filter (&xevent, &event, pizza);

 
 

-      if (xevent.type == Expose)
+        if (xevent.type == Expose)

         {
         {

-          event.expose.window = gdk_window_lookup (xevent.xany.window);
-          gdk_window_get_user_data (event.expose.window,
+            event.expose.window = gdk_window_lookup (xevent.xany.window);
+            gdk_window_get_user_data (event.expose.window,

                                     (gpointer *)&event_widget);
 
                                     (gpointer *)&event_widget);
 

-          if (event_widget)
+            if (event_widget)

             {
             {

-              event.expose.type = GDK_EXPOSE;
-              event.expose.area.x = xevent.xexpose.x;
-              event.expose.area.y = xevent.xexpose.y;
-              event.expose.area.width = xevent.xexpose.width;
-              event.expose.area.height = xevent.xexpose.height;
-              event.expose.count = xevent.xexpose.count;
-
-              gdk_window_ref (event.expose.window);
-              gtk_widget_event (event_widget, &event);
-              gdk_window_unref (event.expose.window);
+                event.expose.type = GDK_EXPOSE;
+                event.expose.area.x = xevent.xexpose.x;
+                event.expose.area.y = xevent.xexpose.y;
+                event.expose.area.width = xevent.xexpose.width;
+                event.expose.area.height = xevent.xexpose.height;
+                event.expose.count = xevent.xexpose.count;
+
+                gdk_window_ref (event.expose.window);
+                gtk_widget_event (event_widget, &event);
+                gdk_window_unref (event.expose.window);

             }
         }
     }
 }
 
             }
         }
     }
 }
 

+

 /* The main event filter. Actually, we probably don't really need
  * to install this as a filter at all, since we are calling it
  * directly above in the expose-handling hack. But in case scrollbars
 /* The main event filter. Actually, we probably don't really need
  * to install this as a filter at all, since we are calling it
  * directly above in the expose-handling hack. But in case scrollbars


@@ -1172,37 +1130,29 @@ gtk_pizza_filter (GdkXEvent *gdk_xevent,
     GtkPizza *pizza;
 
     xevent = (XEvent *)gdk_xevent;
     GtkPizza *pizza;
 
     xevent = (XEvent *)gdk_xevent;

-    
+

     pizza = GTK_PIZZA (data);
     pizza = GTK_PIZZA (data);

-    
+

     if (!pizza->use_filter)
         return GDK_FILTER_CONTINUE;
 
     if (!pizza->use_filter)
         return GDK_FILTER_CONTINUE;
 

-  switch (xevent->type)
+    switch (xevent->type)

     {
     {

-    case Expose:
-      if (xevent->xexpose.serial == pizza->configure_serial)
-        {
-          if (pizza->visibility == GDK_VISIBILITY_UNOBSCURED)
-            return GDK_FILTER_REMOVE;
-          else
+        case Expose:
+            if (xevent->xexpose.serial == pizza->configure_serial)

             {
             {

-              xevent->xexpose.x += pizza->scroll_x;
-              xevent->xexpose.y += pizza->scroll_y;
-
-              break;
+                xevent->xexpose.x += pizza->scroll_x;
+                xevent->xexpose.y += pizza->scroll_y;

             }
             }

-        }
-      break;
+            break;

 
 

-    case ConfigureNotify:
-       if ((xevent->xconfigure.x != 0) || (xevent->xconfigure.y != 0))
-        {
-          pizza->configure_serial = xevent->xconfigure.serial;
-          pizza->scroll_x = xevent->xconfigure.x;
-          pizza->scroll_y = xevent->xconfigure.y;
-        }
-      break;
+        case ConfigureNotify:
+            {
+                pizza->configure_serial = xevent->xconfigure.serial;
+                pizza->scroll_x = xevent->xconfigure.x;
+                pizza->scroll_y = xevent->xconfigure.y;
+            }
+            break;

     }
 
     return GDK_FILTER_CONTINUE;
     }
 
     return GDK_FILTER_CONTINUE;


@@ -1222,7 +1172,7 @@ gtk_pizza_main_filter (GdkXEvent *gdk_xevent,
 
     xevent = (XEvent *)gdk_xevent;
     pizza = GTK_PIZZA (data);
 
     xevent = (XEvent *)gdk_xevent;
     pizza = GTK_PIZZA (data);

-    
+

     if (!pizza->use_filter)
         return GDK_FILTER_CONTINUE;
 
     if (!pizza->use_filter)
         return GDK_FILTER_CONTINUE;
 


@@ -1242,17 +1192,13 @@ gtk_pizza_main_filter (GdkXEvent *gdk_xevent,
                 pizza->visibility = GDK_VISIBILITY_UNOBSCURED;
                 break;
         }
                 pizza->visibility = GDK_VISIBILITY_UNOBSCURED;
                 break;
         }

-        
+

         return GDK_FILTER_REMOVE;
     }
 
     return GDK_FILTER_CONTINUE;
 }
 
         return GDK_FILTER_REMOVE;
     }
 
     return GDK_FILTER_CONTINUE;
 }
 

-
-
-

 #ifdef __cplusplus
 }
 #endif /* __cplusplus */
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */

-