[gtk+] levelbar: start filling from the bottom

[Cosimo Cecchi <cosimoc src gnome org>]

commit 4b3ed75f7d14bc10a045aeb4a3873ff36eee966a
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Mon Sep 17 22:29:54 2012 +0200

    levelbar: start filling from the bottom
    
    As long as we don't have an API for explicitly inverting the bar, it
    makes more sense for the progress in vertical orientation to fill from
    the bottom.

 gtk/gtklevelbar.c |   14 ++++++++++----
 1 files changed, 10 insertions(+), 4 deletions(-)
---
diff --git a/gtk/gtklevelbar.c b/gtk/gtklevelbar.c
index d82d385..72ee80f 100644
--- a/gtk/gtklevelbar.c
+++ b/gtk/gtklevelbar.c
@@ -339,9 +339,14 @@ gtk_level_bar_draw_fill_continuous (GtkLevelBar           *self,
     (self->priv->max_value - self->priv->min_value);
 
   if (self->priv->orientation == GTK_ORIENTATION_HORIZONTAL)
-    block_area.width = (gint) floor (block_area.width * fill_percentage);
+    {
+      block_area.width = (gint) floor (block_area.width * fill_percentage);
+    }
   else
-    block_area.height = (gint) floor (block_area.height * fill_percentage);
+    {
+      block_area.height = (gint) floor (block_area.height * fill_percentage);
+      block_area.y += base_area.height - block_area.height;
+    }
 
   gtk_render_background (context, cr, block_area.x, block_area.y,
                          block_area.width, block_area.height);
@@ -392,6 +397,7 @@ gtk_level_bar_draw_fill_discrete (GtkLevelBar           *self,
     {
       block_draw_width = MAX (block_draw_width, block_area.width - block_margin.left - block_margin.right);
       block_area.x += block_margin.left;
+      block_area.y += block_area.height - block_draw_height;
     }
 
   for (idx = 0; idx < num_blocks; idx++)
@@ -399,7 +405,7 @@ gtk_level_bar_draw_fill_discrete (GtkLevelBar           *self,
       if (self->priv->orientation == GTK_ORIENTATION_HORIZONTAL)
         block_area.x += block_margin.left;
       else
-        block_area.y += block_margin.top;
+        block_area.y -= block_margin.bottom;
 
       if (idx > num_filled - 1)
         gtk_style_context_add_class (context, STYLE_CLASS_EMPTY_FILL_BLOCK);
@@ -414,7 +420,7 @@ gtk_level_bar_draw_fill_discrete (GtkLevelBar           *self,
       if (self->priv->orientation == GTK_ORIENTATION_HORIZONTAL)
         block_area.x += block_draw_width + block_margin.right;
       else
-        block_area.y += block_draw_height + block_margin.bottom;
+        block_area.y -= block_draw_height + block_margin.top;
     }
 
   gtk_style_context_restore (context);