[gtk+] gtk: Make widget only invalidate widget positions

[Benjamin Otte <otte src gnome org>]

commit ece9d2fd92b228503bc450dd2778f8d673dbfa18
Author: Benjamin Otte <otte redhat com>
Date:   Wed Mar 21 09:37:09 2012 +0100

    gtk: Make widget only invalidate widget positions
    
    Instead of resetting them completely

 gtk/gtkbox.c      |    9 ++++++++-
 gtk/gtkcombobox.c |    9 ++++++++-
 gtk/gtknotebook.c |    3 ++-
 gtk/gtkoverlay.c  |   13 -------------
 gtk/gtkpathbar.c  |   10 +++++++---
 gtk/gtktoolbar.c  |    9 ++++++++-
 gtk/gtktreeview.c |    2 +-
 7 files changed, 34 insertions(+), 21 deletions(-)
---
diff --git a/gtk/gtkbox.c b/gtk/gtkbox.c
index 96bc318..9276a71 100644
--- a/gtk/gtkbox.c
+++ b/gtk/gtkbox.c
@@ -85,6 +85,7 @@
 #include "gtktypebuiltins.h"
 #include "gtksizerequest.h"
 #include "gtkwidgetpath.h"
+#include "gtkwidgetprivate.h"
 #include "a11y/gtkboxaccessible.h"
 
 
@@ -938,10 +939,16 @@ gtk_box_get_path_for_child (GtkContainer *container,
 }
 
 static void
+gtk_box_invalidate_order_foreach (GtkWidget *widget)
+{
+  _gtk_widget_invalidate_style_context (widget, GTK_CSS_CHANGE_POSITION | GTK_CSS_CHANGE_SIBLING_POSITION);
+}
+
+static void
 gtk_box_invalidate_order (GtkBox *box)
 {
   gtk_container_foreach (GTK_CONTAINER (box),
-                         (GtkCallback) gtk_widget_reset_style,
+                         (GtkCallback) gtk_box_invalidate_order_foreach,
                          NULL);
 }
 
diff --git a/gtk/gtkcombobox.c b/gtk/gtkcombobox.c
index 53fe1b1..0272924 100644
--- a/gtk/gtkcombobox.c
+++ b/gtk/gtkcombobox.c
@@ -41,6 +41,7 @@
 #include "gtktreeselection.h"
 #include "gtkseparator.h"
 #include "gtkwidgetpath.h"
+#include "gtkwidgetprivate.h"
 #include "gtkwindow.h"
 #include "gtktypebuiltins.h"
 #include "gtkprivate.h"
@@ -1382,10 +1383,16 @@ gtk_combo_box_button_state_flags_changed (GtkWidget     *widget,
 }
 
 static void
+gtk_combo_box_invalidate_order_foreach (GtkWidget *widget)
+{
+  _gtk_widget_invalidate_style_context (widget, GTK_CSS_CHANGE_POSITION | GTK_CSS_CHANGE_SIBLING_POSITION);
+}
+
+static void
 gtk_combo_box_invalidate_order (GtkComboBox *combo_box)
 {
   gtk_container_forall (GTK_CONTAINER (combo_box),
-                        (GtkCallback) gtk_widget_reset_style,
+                        (GtkCallback) gtk_combo_box_invalidate_order_foreach,
                         NULL);
 }
 
diff --git a/gtk/gtknotebook.c b/gtk/gtknotebook.c
index 5ebdf70..5978e3d 100644
--- a/gtk/gtknotebook.c
+++ b/gtk/gtknotebook.c
@@ -42,6 +42,7 @@
 #include "gtkbuildable.h"
 #include "gtktypebuiltins.h"
 #include "gtkwidgetpath.h"
+#include "gtkwidgetprivate.h"
 #include "a11y/gtknotebookaccessible.h"
 
 
@@ -6536,7 +6537,7 @@ gtk_notebook_update_tab_states (GtkNotebook *notebook)
                                                 GTK_STYLE_REGION_TAB,
                                                 &current_flags)
               || current_flags != _gtk_notebook_get_tab_flags (notebook, page))
-            gtk_widget_reset_style (page->tab_label);
+            _gtk_widget_invalidate_style_context (page->tab_label, GTK_CSS_CHANGE_PARENT_STATE);
         }
     }
 }
diff --git a/gtk/gtkoverlay.c b/gtk/gtkoverlay.c
index ff046e9..d22ac88 100644
--- a/gtk/gtkoverlay.c
+++ b/gtk/gtkoverlay.c
@@ -183,7 +183,6 @@ gtk_overlay_child_update_style_classes (GtkOverlay *overlay,
   gboolean is_left, is_right, is_top, is_bottom;
   gboolean has_left, has_right, has_top, has_bottom;
   GtkStyleContext *context;
-  gint changed;
 
   context = gtk_widget_get_style_context (child);
   has_left = gtk_style_context_has_class (context, GTK_STYLE_CLASS_LEFT);
@@ -192,7 +191,6 @@ gtk_overlay_child_update_style_classes (GtkOverlay *overlay,
   has_bottom = gtk_style_context_has_class (context, GTK_STYLE_CLASS_BOTTOM);
 
   is_left = is_right = is_top = is_bottom = FALSE;
-  changed = 4;
 
   gtk_overlay_get_main_widget_allocation (overlay, &main_allocation);
   gtk_widget_get_allocation (GTK_WIDGET (overlay), &overlay_allocation);
@@ -221,32 +219,21 @@ gtk_overlay_child_update_style_classes (GtkOverlay *overlay,
     gtk_style_context_remove_class (context, GTK_STYLE_CLASS_LEFT);
   else if (!has_left && is_left)
     gtk_style_context_add_class (context, GTK_STYLE_CLASS_LEFT);
-  else
-    changed--;
 
   if (has_right && !is_right)
     gtk_style_context_remove_class (context, GTK_STYLE_CLASS_RIGHT);
   else if (!has_right && is_right)
     gtk_style_context_add_class (context, GTK_STYLE_CLASS_RIGHT);
-  else
-    changed--;
 
   if (has_top && !is_top)
     gtk_style_context_remove_class (context, GTK_STYLE_CLASS_TOP);
   else if (!has_top && is_top)
     gtk_style_context_add_class (context, GTK_STYLE_CLASS_TOP);
-  else
-    changed--;
 
   if (has_bottom && !is_bottom)
     gtk_style_context_remove_class (context, GTK_STYLE_CLASS_BOTTOM);
   else if (!has_bottom && is_bottom)
     gtk_style_context_add_class (context, GTK_STYLE_CLASS_BOTTOM);
-  else
-    changed--;
-
-  if (changed > 0)
-    gtk_widget_reset_style (child);
 }
 
 static void
diff --git a/gtk/gtkpathbar.c b/gtk/gtkpathbar.c
index 3c290bc..fdcd337 100644
--- a/gtk/gtkpathbar.c
+++ b/gtk/gtkpathbar.c
@@ -35,6 +35,7 @@
 #include "gtksettings.h"
 #include "gtktogglebutton.h"
 #include "gtkwidgetpath.h"
+#include "gtkwidgetprivate.h"
 
 
 enum {
@@ -494,15 +495,18 @@ child_ordering_changed (GtkPathBar *path_bar)
   GList *l;
 
   if (path_bar->up_slider_button)
-    gtk_widget_reset_style (path_bar->up_slider_button);
+    _gtk_widget_invalidate_style_context (path_bar->up_slider_button,
+                                          GTK_CSS_CHANGE_POSITION | GTK_CSS_CHANGE_SIBLING_POSITION);
   if (path_bar->down_slider_button)
-    gtk_widget_reset_style (path_bar->down_slider_button);
+    _gtk_widget_invalidate_style_context (path_bar->down_slider_button,
+                                          GTK_CSS_CHANGE_POSITION | GTK_CSS_CHANGE_SIBLING_POSITION);
 
   for (l = path_bar->button_list; l; l = l->next)
     {
       ButtonData *data = l->data;
 
-      gtk_widget_reset_style (data->button);
+      _gtk_widget_invalidate_style_context (data->button,
+                                            GTK_CSS_CHANGE_POSITION | GTK_CSS_CHANGE_SIBLING_POSITION);
     }
 }
 
diff --git a/gtk/gtktoolbar.c b/gtk/gtktoolbar.c
index 3974810..be66900 100644
--- a/gtk/gtktoolbar.c
+++ b/gtk/gtktoolbar.c
@@ -55,6 +55,7 @@
 #include "gtkintl.h"
 #include "gtktypebuiltins.h"
 #include "gtkwidgetpath.h"
+#include "gtkwidgetprivate.h"
 
 
 /**
@@ -3965,10 +3966,16 @@ gtk_toolbar_get_path_for_child (GtkContainer *container,
 }
 
 static void
+gtk_toolbar_invalidate_order_foreach (GtkWidget *widget)
+{
+  _gtk_widget_invalidate_style_context (widget, GTK_CSS_CHANGE_POSITION | GTK_CSS_CHANGE_SIBLING_POSITION);
+}
+
+static void
 gtk_toolbar_invalidate_order (GtkToolbar *toolbar)
 {
   gtk_container_forall (GTK_CONTAINER (toolbar),
-                        (GtkCallback) gtk_widget_reset_style,
+                        (GtkCallback) gtk_toolbar_invalidate_order_foreach,
                         NULL);
 }
 
diff --git a/gtk/gtktreeview.c b/gtk/gtktreeview.c
index 73cd0ae..52c7aa3 100644
--- a/gtk/gtktreeview.c
+++ b/gtk/gtktreeview.c
@@ -11946,7 +11946,7 @@ _gtk_tree_view_reset_header_styles (GtkTreeView *tree_view)
       if (!header_widget)
         header_widget = gtk_tree_view_column_get_button (column);
 
-      gtk_widget_reset_style (header_widget);
+      _gtk_widget_invalidate_style_context (header_widget, GTK_CSS_CHANGE_POSITION | GTK_CSS_CHANGE_SIBLING_POSITION);
     }
 }