create hatch bitmaps on demand, and dispose of them at termination

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

diff --git a/src/gtk/win_gtk.c b/src/gtk/win_gtk.c
index f057e25f9546b2ce3187a81d7da0eb285d3ea184..6eb8b4e1e28aac2cda29d0f5b56dcbfcb9769c4a 100644 (file)
--- a/src/gtk/win_gtk.c
+++ b/src/gtk/win_gtk.c
@@ -22,7 +22,6 @@ extern "C" {
 
 typedef struct _GtkPizzaChild GtkPizzaChild;
 typedef struct _GtkPizzaClass GtkPizzaClass;
-typedef struct _GtkPizzaAdjData  GtkPizzaAdjData;
 
 struct _GtkPizzaClass
 {
@@ -40,12 +39,6 @@ struct _GtkPizzaChild
     gint y;
 };
 
-struct _GtkPizzaAdjData
-{
-    gint dx;
-    gint dy;
-};
-
 static void gtk_pizza_class_init    (GtkPizzaClass    *klass);
 static void gtk_pizza_init          (GtkPizza         *pizza);
 
@@ -71,8 +64,6 @@ static void gtk_pizza_forall        (GtkContainer     *container,
 
 static void     gtk_pizza_allocate_child     (GtkPizza      *pizza,
                                               GtkPizzaChild *child);
-static void     gtk_pizza_adjust_allocations_recurse (GtkWidget *widget,
-                                                      gpointer   cb_data);
 
 static GtkType gtk_pizza_child_type (GtkContainer     *container);
 
@@ -255,7 +246,7 @@ void       gtk_pizza_set_xoffset     (GtkPizza          *pizza, gint xoffset)
     g_return_if_fail (GTK_IS_PIZZA (pizza));
 
     pizza->m_xoffset = xoffset;
-    // do something
+    /* do something */
 }
 
 void       gtk_pizza_set_yoffset     (GtkPizza          *pizza, gint yoffset)
@@ -264,7 +255,7 @@ void       gtk_pizza_set_yoffset     (GtkPizza          *pizza, gint yoffset)
     g_return_if_fail (GTK_IS_PIZZA (pizza));
 
     pizza->m_xoffset = yoffset;
-    // do something
+    /* do something */
 }
 
 gint       gtk_pizza_get_rtl_offset  (GtkPizza          *pizza)
@@ -318,8 +309,6 @@ gtk_pizza_put (GtkPizza   *pizza,
     gtk_widget_set_parent (widget, GTK_WIDGET (pizza));
 
     gtk_widget_set_size_request( widget, width, height );
-    if (GTK_WIDGET_REALIZED (pizza))
-        gtk_pizza_allocate_child (pizza, child_info);
 }
 
 void
@@ -408,6 +397,7 @@ gtk_pizza_realize (GtkWidget *widget)
     GtkPizzaChild *child;
     GList *children;
     int border;
+    int w, h;
 
     g_return_if_fail (widget != NULL);
     g_return_if_fail (GTK_IS_PIZZA (widget));
@@ -422,16 +412,24 @@ gtk_pizza_realize (GtkWidget *widget)
     attributes.width = widget->allocation.width;
     attributes.height = widget->allocation.height;
 
-    border = pizza->container.border_width;
-    attributes.x += border;
-    attributes.y += border;
-    attributes.width -= 2 * border;
-    attributes.height -= 2 * border;
-
     /* minimal size */
     if (attributes.width < 2) attributes.width = 2;
     if (attributes.height < 2) attributes.height = 2;
 
+    border = pizza->container.border_width;
+    w = attributes.width  - 2 * border;
+    h = attributes.height - 2 * border;
+    if (w < 2) w = 2;
+    if (h < 2) h = 2;
+
+    if (!pizza->m_noscroll)
+    {
+        attributes.x += border;
+        attributes.y += border;
+        attributes.width  = w;
+        attributes.height = h;
+    }
+
     attributes.wclass = GDK_INPUT_OUTPUT;
     attributes.visual = gtk_widget_get_visual (widget);
     attributes.colormap = gtk_widget_get_colormap (widget);
@@ -444,6 +442,13 @@ gtk_pizza_realize (GtkWidget *widget)
 
     attributes.x = 0;
     attributes.y = 0;
+    if (pizza->m_noscroll)
+    {
+        attributes.x = border;
+        attributes.y = border;
+        attributes.width  = w;
+        attributes.height = h;
+    }
 
     attributes.event_mask = gtk_widget_get_events (widget);
     attributes.event_mask |= GDK_EXPOSURE_MASK              |
@@ -558,38 +563,38 @@ gtk_pizza_size_allocate (GtkWidget     *widget,
                    (widget->allocation.y == allocation->y));
     widget->allocation = *allocation;
 
-    border = pizza->container.border_width;
-
-    x = allocation->x + border;
-    y = allocation->y + border;
-    w = allocation->width - border*2;
-    h = allocation->height - border*2;
-    if (w < 0)
-        w = 0;
-    if (h < 0)
-        h = 0;
-
-    if (!GTK_WIDGET_REALIZED (widget))
-        return;
-        
-    if (pizza->m_noscroll)
+    if (GTK_WIDGET_REALIZED(widget))
     {
-        if (only_resize)
-            gdk_window_resize( widget->window, allocation->width, allocation->height );
-        else
-            gdk_window_move_resize( widget->window, allocation->x, allocation->y, 
-                                                    allocation->width, allocation->height );
+        border = pizza->container.border_width;
 
-        gdk_window_move_resize( pizza->bin_window, border, border, w, h );
-    }
-    else
-    {
-        if (only_resize)
-            gdk_window_resize( widget->window, w, h );
+        x = allocation->x + border;
+        y = allocation->y + border;
+        w = allocation->width - border*2;
+        h = allocation->height - border*2;
+        if (w < 0)
+            w = 0;
+        if (h < 0)
+            h = 0;
+
+        if (pizza->m_noscroll)
+        {
+            if (only_resize)
+                gdk_window_resize( widget->window, allocation->width, allocation->height );
+            else
+                gdk_window_move_resize( widget->window, allocation->x, allocation->y, 
+                                                        allocation->width, allocation->height );
+
+            gdk_window_move_resize( pizza->bin_window, border, border, w, h );
+        }
         else
-            gdk_window_move_resize( widget->window, x, y, w, h );
+        {
+            if (only_resize)
+                gdk_window_resize( widget->window, w, h );
+            else
+                gdk_window_move_resize( widget->window, x, y, w, h );
 
-        gdk_window_resize( pizza->bin_window, w, h );
+            gdk_window_resize( pizza->bin_window, w, h );
+        }
     }
 
     children = pizza->children;
@@ -719,63 +724,22 @@ gtk_pizza_allocate_child (GtkPizza      *pizza,
     gtk_widget_size_allocate (child->widget, &allocation);
 }
 
-static void
-gtk_pizza_adjust_allocations_recurse (GtkWidget *widget,
-                                       gpointer   cb_data)
-{
-    GtkPizzaAdjData *data = cb_data;
-
-    widget->allocation.x += data->dx;
-    widget->allocation.y += data->dy;
-
-    if (GTK_WIDGET_NO_WINDOW (widget) && GTK_IS_CONTAINER (widget))
-    {
-        gtk_container_forall (GTK_CONTAINER (widget),
-                          gtk_pizza_adjust_allocations_recurse,
-                          cb_data);
-    }
-}
-
-static void
-gtk_pizza_adjust_allocations (GtkPizza *pizza,
-                               gint       dx,
-                               gint       dy)
-{
-    GList *tmp_list;
-    GtkPizzaAdjData data;
-
-    data.dx = dx;
-    data.dy = dy;
-
-    tmp_list = pizza->children;
-    while (tmp_list)
-    {
-        GtkPizzaChild *child = tmp_list->data;
-        tmp_list = tmp_list->next;
-
-        child->widget->allocation.x += dx;
-        child->widget->allocation.y += dy;
-
-        if (GTK_WIDGET_NO_WINDOW (child->widget) &&
-            GTK_IS_CONTAINER (child->widget))
-        {
-            gtk_container_forall (GTK_CONTAINER (child->widget),
-                                  gtk_pizza_adjust_allocations_recurse,
-                                  &data);
-        }
-    }
-}
-
 void
 gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy)
 {
+    GList *tmp_list;
+    
     pizza->m_xoffset += dx;
     pizza->m_yoffset += dy;
 
-    gtk_pizza_adjust_allocations (pizza, -dx, -dy);
-
     if (pizza->bin_window)
         gdk_window_scroll( pizza->bin_window, -dx, -dy );
+
+    for (tmp_list = pizza->children; tmp_list; tmp_list = tmp_list->next)
+    {
+        GtkPizzaChild *child = tmp_list->data;
+        gtk_widget_queue_resize(child->widget);
+    }
 }
 
 #ifdef __cplusplus