On Mac the first visible line needs to be recalculated after the Scroll because it...

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

diff --git a/src/gtk/win_gtk.c b/src/gtk/win_gtk.c
index dcc0e1defd5366b1321c1aa50364ea3b5f9dc277..4f396aafd1d6222b224a95ba33f3c4ec9846eb58 100644 (file)
--- a/src/gtk/win_gtk.c
+++ b/src/gtk/win_gtk.c
@@ -71,8 +71,6 @@ 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);
 
@@ -198,6 +196,7 @@ gtk_pizza_child_type (GtkContainer     *container)
 static void
 gtk_pizza_init (GtkPizza *pizza)
 {
+    GTK_WIDGET_SET_FLAGS (pizza, GTK_CAN_FOCUS);
     GTK_WIDGET_UNSET_FLAGS (pizza, GTK_NO_WINDOW);
 
     pizza->children = NULL;
@@ -214,6 +213,20 @@ gtk_pizza_new ()
     GtkPizza *pizza;
 
     pizza = g_object_new (gtk_pizza_get_type (), NULL);
+    
+    pizza->m_noscroll = FALSE;
+
+    return GTK_WIDGET (pizza);
+}
+
+GtkWidget*
+gtk_pizza_new_no_scroll ()
+{
+    GtkPizza *pizza;
+
+    pizza = g_object_new (gtk_pizza_get_type (), NULL);
+
+    pizza->m_noscroll = TRUE;
 
     return GTK_WIDGET (pizza);
 }
@@ -258,11 +271,11 @@ gint       gtk_pizza_get_rtl_offset  (GtkPizza          *pizza)
 
     g_return_val_if_fail ( (pizza != NULL), 0 );
     g_return_val_if_fail ( (GTK_IS_PIZZA (pizza)), 0 );
-    
+
     if (!pizza->bin_window) return 0;
-    
+
     border = pizza->container.border_width;
-        
+
     return GTK_WIDGET(pizza)->allocation.width - border*2;
 }
 
@@ -393,6 +406,7 @@ 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));
@@ -407,16 +421,24 @@ 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);
@@ -429,6 +451,13 @@ 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              |
@@ -543,25 +572,38 @@ 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))
+    if (GTK_WIDGET_REALIZED(widget))
     {
-        if (only_resize)
-            gdk_window_resize( widget->window, w, h );
+        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 (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;
@@ -679,77 +721,42 @@ gtk_pizza_allocate_child (GtkPizza      *pizza,
     if (gtk_widget_get_direction( GTK_WIDGET(pizza) ) == GTK_TEXT_DIR_RTL)
     {
         /* reverse horizontal placement */
-        gint offset,border; 
-        
+        gint offset,border;
+
         offset = GTK_WIDGET(pizza)->allocation.width;
         border = pizza->container.border_width;
         offset -= border*2;
-            
-        allocation.x = offset - child->x - allocation.width + pizza->m_xoffset; 
-    }
-    
-    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);
+        allocation.x = offset - child->x - allocation.width + pizza->m_xoffset;
     }
+
+    gtk_widget_size_allocate (child->widget, &allocation);
 }
 
-static void
-gtk_pizza_adjust_allocations (GtkPizza *pizza,
-                               gint       dx,
-                               gint       dy)
+void
+gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy)
 {
     GList *tmp_list;
-    GtkPizzaAdjData data;
-
-    data.dx = dx;
-    data.dy = dy;
+    
+    pizza->m_xoffset += dx;
+    pizza->m_yoffset += dy;
 
+    if (pizza->bin_window)
+        gdk_window_scroll( pizza->bin_window, -dx, -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);
-        }
+        GtkAllocation alloc = child->widget->allocation;
+        alloc.x -= dx;
+        alloc.y -= dy;
+        gtk_widget_size_allocate( child->widget, &alloc );
     }
 }
 
-void
-gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy)
-{
-    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 );
-}
-
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */