wip state changes

This eliminates a lot of overhead in the CSS engine recalculating
cached CSS rules, and is overall the correct thing to do.

gtk/deprecated/gtkstyle.c

@@ -616,11 +616,13 @@ static gboolean
 set_color_from_context (GtkStyle *style,
                         GtkStateType state,
                         GtkStyleContext *context,
-                        GtkStateFlags flags,
                         GtkRcFlags prop)
 {
   GdkRGBA *color = NULL;
   GdkColor *dest = { 0 }; /* Shut up gcc */
+  GtkStateFlags flags;
+
+  flags = gtk_style_context_get_state (context);
 
   switch (prop)
     {
@@ -674,26 +676,6 @@ set_color (GtkStyle        *style,
            GtkStateType     state,
            GtkRcFlags       prop)
 {
-  GtkStateFlags flags;
-
-  switch (state)
-    {
-    case GTK_STATE_ACTIVE:
-      flags = GTK_STATE_FLAG_ACTIVE;
-      break;
-    case GTK_STATE_PRELIGHT:
-      flags = GTK_STATE_FLAG_PRELIGHT;
-      break;
-    case GTK_STATE_SELECTED:
-      flags = GTK_STATE_FLAG_SELECTED;
-      break;
-    case GTK_STATE_INSENSITIVE:
-      flags = GTK_STATE_FLAG_INSENSITIVE;
-      break;
-    default:
-      flags = 0;
-    }
-
   /* Try to fill in the values from the associated GtkStyleContext.
    * Since fully-transparent black is a very common default (e.g. for 
    * background-color properties), and we must store the result in a GdkColor
@@ -701,11 +683,11 @@ set_color (GtkStyle        *style,
    * we give themes a fallback style class they can style, before using the
    * hardcoded default values.
    */
-  if (!set_color_from_context (style, state, context, flags, prop))
+  if (!set_color_from_context (style, state, context, prop))
     {
       gtk_style_context_save (context);
       gtk_style_context_add_class (context, "gtkstyle-fallback");
-      set_color_from_context (style, state, context, flags, prop);
+      set_color_from_context (style, state, context, prop);
       gtk_style_context_restore (context);
     }
 }
@@ -715,6 +697,7 @@ gtk_style_update_from_context (GtkStyle *style)
 {
   GtkStylePrivate *priv;
   GtkStateType state;
+  GtkStateFlags flags;
   GtkBorder padding;
   gint i;
 
@@ -722,6 +705,27 @@ gtk_style_update_from_context (GtkStyle *style)
 
   for (state = GTK_STATE_NORMAL; state <= GTK_STATE_INSENSITIVE; state++)
     {
+      switch (state)
+        {
+        case GTK_STATE_ACTIVE:
+          flags = GTK_STATE_FLAG_ACTIVE;
+          break;
+        case GTK_STATE_PRELIGHT:
+          flags = GTK_STATE_FLAG_PRELIGHT;
+          break;
+        case GTK_STATE_SELECTED:
+          flags = GTK_STATE_FLAG_SELECTED;
+          break;
+        case GTK_STATE_INSENSITIVE:
+          flags = GTK_STATE_FLAG_INSENSITIVE;
+          break;
+        default:
+          flags = 0;
+        }
+
+      gtk_style_context_save (priv->context);
+      gtk_style_context_set_state (priv->context, flags);
+
       if (gtk_style_context_has_class (priv->context, "entry"))
         {
           gtk_style_context_save (priv->context);
@@ -744,15 +748,18 @@ gtk_style_update_from_context (GtkStyle *style)
           set_color (style, priv->context, state, GTK_RC_BG);
           set_color (style, priv->context, state, GTK_RC_FG);
         }
+
+      gtk_style_context_restore (priv->context);
     }
 
   if (style->font_desc)
     pango_font_description_free (style->font_desc);
 
-  gtk_style_context_get (priv->context, 0,
+  flags = gtk_style_context_get_state (priv->context);
+  gtk_style_context_get (priv->context, flags,
                          "font", &style->font_desc,
                          NULL);
-  gtk_style_context_get_padding (priv->context, 0, &padding);
+  gtk_style_context_get_padding (priv->context, flags, &padding);
 
   style->xthickness = padding.left;
   style->ythickness = padding.top;

gtk/gtkcellarea.c

@@ -3561,7 +3561,7 @@ gtk_cell_area_inner_cell_area (GtkCellArea        *area,
   g_return_if_fail (inner_area != NULL);
 
   context = gtk_widget_get_style_context (widget);
-  state = gtk_widget_get_state_flags (widget);
+  state = gtk_style_context_get_state (context);
   gtk_style_context_get_padding (context, state, &border);
 
   *inner_area = *cell_area;
@@ -3611,7 +3611,7 @@ gtk_cell_area_request_renderer (GtkCellArea        *area,
   g_return_if_fail (natural_size != NULL);
 
   context = gtk_widget_get_style_context (widget);
-  state = gtk_widget_get_state_flags (widget);
+  state = gtk_style_context_get_state (context);
   gtk_style_context_get_padding (context, state, &border);
 
   if (orientation == GTK_ORIENTATION_HORIZONTAL)

gtk/gtkentry.c

@@ -2834,13 +2834,15 @@ get_icon_width (GtkEntry             *entry,
   GtkStyleContext *context;
   GtkBorder padding;
   gint width;
+  GtkStateFlags state;
 
   if (!icon_info)
     return 0;
 
   context = gtk_widget_get_style_context (GTK_WIDGET (entry));
+  state = gtk_style_context_get_state (context);
   gtk_entry_prepare_context_for_icon (entry, context, icon_pos);
-  gtk_style_context_get_padding (context, 0, &padding);
+  gtk_style_context_get_padding (context, state, &padding);
 
   _gtk_icon_helper_get_size (icon_info->icon_helper, context,
                              &width, NULL);
@@ -3406,19 +3408,17 @@ _gtk_entry_get_borders (GtkEntry *entry,
   GtkWidget *widget = GTK_WIDGET (entry);
   GtkBorder padding, border;
   GtkStyleContext *context;
+  GtkStateFlags state;
 
   context = gtk_widget_get_style_context (widget);
+  state = gtk_style_context_get_state (context);
+  gtk_style_context_get_padding (context, state, &padding);
+  gtk_style_context_get_border (context, state, &border);
 
-  gtk_style_context_get_padding (context, 0, &padding);
-  gtk_style_context_get_border (context, 0, &border);
-
-  if (border_out != NULL)
-    {
-      border_out->top = padding.top + border.top;
-      border_out->bottom = padding.bottom + border.bottom;
-      border_out->left = padding.left + border.left;
-      border_out->right = padding.right + border.right;
-    }
+  border_out->top = padding.top + border.top;
+  border_out->bottom = padding.bottom + border.bottom;
+  border_out->left = padding.left + border.left;
+  border_out->right = padding.right + border.right;
 }
 
 static void
@@ -3770,6 +3770,7 @@ draw_icon (GtkWidget            *widget,
   gint x, y, width, height, pix_width, pix_height;
   GtkStyleContext *context;
   GtkBorder padding;
+  GtkStateFlags state;
 
   if (!icon_info)
     return;
@@ -3789,7 +3790,8 @@ draw_icon (GtkWidget            *widget,
   gtk_entry_prepare_context_for_icon (entry, context, icon_pos);
   _gtk_icon_helper_get_size (icon_info->icon_helper, context,
                              &pix_width, &pix_height);
-  gtk_style_context_get_padding (context, 0, &padding);
+  state = gtk_style_context_get_state (context);
+  gtk_style_context_get_padding (context, state, &padding);
 
   x = MAX (0, padding.left);
   y = MAX (0, (height - pix_height) / 2);
@@ -3866,6 +3868,7 @@ get_progress_area (GtkWidget *widget,
   GtkStyleContext *context;
   GtkBorder margin, border, entry_borders;
   gint frame_width, text_area_width, text_area_height;
+  GtkStateFlags state;
 
   context = gtk_widget_get_style_context (widget);
   _gtk_entry_get_borders (entry, &entry_borders);
@@ -3881,13 +3884,15 @@ get_progress_area (GtkWidget *widget,
   *width = text_area_width + entry_borders.left + entry_borders.right;
   *height = text_area_height + entry_borders.top + entry_borders.bottom;
 
+  state = gtk_style_context_get_state (context);
+
   /* if the text area got resized by a subclass, subtract the left/right
    * border width, so that the progress bar won't extend over the resized
    * text area.
    */
   if (frame_width > *width)
     {
-      gtk_style_context_get_border (context, 0, &border);
+      gtk_style_context_get_border (context, state, &border);
       if (gtk_widget_get_direction (GTK_WIDGET (entry)) == GTK_TEXT_DIR_RTL)
         {
           *x = (frame_width - *width) + border.left;
@@ -3900,7 +3905,7 @@ get_progress_area (GtkWidget *widget,
     }
 
   gtk_entry_prepare_context_for_progress (entry, context);
-  gtk_style_context_get_margin (context, 0, &margin);
+  gtk_style_context_get_margin (context, state, &margin);
 
   gtk_style_context_restore (context);
 
@@ -9932,9 +9937,11 @@ gtk_entry_drag_motion (GtkWidget        *widget,
   gint new_position, old_position;
   gint sel1, sel2;
   GtkBorder padding;
+  GtkStateFlags state;
 
   style_context = gtk_widget_get_style_context (widget);
-  gtk_style_context_get_padding (style_context, 0, &padding);
+  state = gtk_style_context_get_state (style_context);
+  gtk_style_context_get_padding (style_context, state, &padding);
   x -= padding.left;
   y -= padding.top;
 
@@ -10007,11 +10014,13 @@ gtk_entry_drag_data_received (GtkWidget        *widget,
   GtkStyleContext *style_context;
   GtkBorder padding;
   gchar *str;
+  GtkStateFlags state;
 
   str = (gchar *) gtk_selection_data_get_text (selection_data);
 
   style_context = gtk_widget_get_style_context (widget);
-  gtk_style_context_get_padding (style_context, 0, &padding);
+  state = gtk_style_context_get_state (style_context);
+  gtk_style_context_get_padding (style_context, state, &padding);
   x -= padding.left;
   y -= padding.top;
 

gtk/gtknotebook.c

@@ -2240,15 +2240,17 @@ get_padding_and_border (GtkNotebook *notebook,
                         GtkBorder *border)
 {
   GtkStyleContext *context;
+  GtkStateFlags state;
 
   context = gtk_widget_get_style_context (GTK_WIDGET (notebook));
-  gtk_style_context_get_padding (context, 0, border);
+  state = gtk_style_context_get_state (context);
+  gtk_style_context_get_padding (context, state, border);
 
   if (notebook->priv->show_border || notebook->priv->show_tabs)
     {
       GtkBorder tmp;
 
-      gtk_style_context_get_border (context, 0, &tmp);
+      gtk_style_context_get_border (context, state, &tmp);
       border->top += tmp.top;
       border->right += tmp.right;
       border->bottom += tmp.bottom;
@@ -6247,7 +6249,7 @@ gtk_notebook_calculate_tabs_allocation (GtkNotebook  *notebook,
 
       if (page != priv->cur_page)
         {
-          GtkBorder active_padding, normal_padding, padding;
+          GtkBorder padding = {};
 
           /* The active tab is by definition at least the same height as the inactive one.
            * The padding we're building is the offset between the two tab states, 
@@ -6259,16 +6261,11 @@ gtk_notebook_calculate_tabs_allocation (GtkNotebook  *notebook,
           gtk_style_context_save (context);
           notebook_tab_prepare_style_context (notebook, page, context, TRUE);
 
-          gtk_style_context_get_padding (context, GTK_STATE_FLAG_ACTIVE, &active_padding);
-          gtk_style_context_get_padding (context, GTK_STATE_FLAG_NORMAL, &normal_padding);
+          /* gtk_style_context_get_padding (context, GTK_STATE_FLAG_ACTIVE, &active_padding); */
+          /* gtk_style_context_get_padding (context, GTK_STATE_FLAG_NORMAL, &normal_padding); */
 
           gtk_style_context_restore (context);
 
-          padding.top = MAX (0, active_padding.top - normal_padding.top);
-          padding.right = MAX (0, active_padding.right - normal_padding.right);
-          padding.bottom = MAX (0, active_padding.bottom - normal_padding.bottom);
-          padding.left = MAX (0, active_padding.left - normal_padding.left);
-
           switch (tab_pos)
             {
             case GTK_POS_TOP:

gtk/gtkstylecontext.c

@@ -745,6 +745,8 @@ style_values_lookup_for_state (GtkStyleContext *context,
   if (gtk_css_node_declaration_get_state (context->priv->info->decl) == state)
     return g_object_ref (style_values_lookup (context));
 
+  g_warning ("State does not match current state");
+
   decl = gtk_css_node_declaration_ref (context->priv->info->decl);
   gtk_css_node_declaration_set_state (&decl, state);
   values = _gtk_css_computed_values_new ();

gtk/gtkwidget.c

@@ -8857,16 +8857,9 @@ gtk_widget_unset_state_flags (GtkWidget     *widget,
 GtkStateFlags
 gtk_widget_get_state_flags (GtkWidget *widget)
 {
-  GtkStateFlags flags;
-
   g_return_val_if_fail (GTK_IS_WIDGET (widget), 0);
 
-  flags = widget->priv->state_flags;
-
-  if (gtk_widget_has_focus (widget))
-    flags |= GTK_STATE_FLAG_FOCUSED;
-
-  return flags;
+  return widget->priv->state_flags;
 }
 
 /**

gtk/gtkwindow.c

@@ -6431,13 +6431,14 @@ get_shadow_width (GtkWidget *widget,
       else
         s = state | GTK_STATE_FLAG_BACKDROP;
 
+      gtk_style_context_set_state (context, s);
+
       /* Always sum border + padding */
       gtk_style_context_get_border (context, s, &border);
       gtk_style_context_get_padding (context, s, &d);
       sum_borders (&d, &border);
 
       /* Calculate the size of the drop shadows ... */
-      gtk_style_context_set_state (context, s);
       shadows = _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BOX_SHADOW);
       _gtk_css_shadows_value_get_extents (shadows, &border);