From 7b0c6be2e9f989023ceaab6caa59b7abd2e2a6b1 Mon Sep 17 00:00:00 2001
From: Alex Valavanis <valavanisalex@gmail.com>
Date: Tue, 27 Dec 2016 16:18:47 +0000
Subject: Merge all upstream changes to GimpRuler

(bzr r15369)
---
 src/widgets/gimp/ruler.cpp | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

(limited to 'src/widgets/gimp/ruler.cpp')

diff --git a/src/widgets/gimp/ruler.cpp b/src/widgets/gimp/ruler.cpp
index bfb9c9071..7e9547080 100644
--- a/src/widgets/gimp/ruler.cpp
+++ b/src/widgets/gimp/ruler.cpp
@@ -548,7 +548,7 @@ sp_ruler_size_allocate (GtkWidget     *widget,
   resized = (widget_allocation.width  != allocation->width ||
              widget_allocation.height != allocation->height);
 
-  gtk_widget_set_allocation(widget, allocation);
+  GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
 
   if (gtk_widget_get_realized (widget))
     {
@@ -725,7 +725,17 @@ sp_ruler_draw_pos (SPRuler *ruler,
       cairo_fill (cr);
     }
 
-  priv->last_pos_rect = pos_rect;
+  if (priv->last_pos_rect.width  != 0 &&
+      priv->last_pos_rect.height != 0)
+    {
+      gdk_rectangle_union (&priv->last_pos_rect,
+                           &pos_rect,
+                           &priv->last_pos_rect);
+    }
+  else
+    {
+      priv->last_pos_rect = pos_rect;
+    }
 }
 
 /**
@@ -999,6 +1009,12 @@ sp_ruler_set_position (SPRuler *ruler,
           (ABS (xdiff) > IMMEDIATE_REDRAW_THRESHOLD ||
            ABS (ydiff) > IMMEDIATE_REDRAW_THRESHOLD))
         {
+          if (priv->pos_redraw_idle_id)
+            {
+              g_source_remove (priv->pos_redraw_idle_id);
+              priv->pos_redraw_idle_id = 0;
+            }
+
           sp_ruler_queue_pos_redraw (ruler);
         }
       else if (! priv->pos_redraw_idle_id)
@@ -1351,15 +1367,16 @@ sp_ruler_queue_pos_redraw (SPRuler *ruler)
 
   gtk_widget_get_allocation (GTK_WIDGET(ruler), &allocation);
 
-  gtk_widget_queue_draw_area (GTK_WIDGET(ruler),
+  gtk_widget_queue_draw_area (GTK_WIDGET (ruler),
                               rect.x + allocation.x,
                               rect.y + allocation.y,
                               rect.width,
                               rect.height);
 
-  if (priv->last_pos_rect.width != 0 || priv->last_pos_rect.height != 0)
+  if (priv->last_pos_rect.width  != 0  &&
+      priv->last_pos_rect.height != 0)
     {
-      gtk_widget_queue_draw_area (GTK_WIDGET(ruler),
+      gtk_widget_queue_draw_area (GTK_WIDGET (ruler),
                                   priv->last_pos_rect.x + allocation.x,
                                   priv->last_pos_rect.y + allocation.y,
                                   priv->last_pos_rect.width,
-- 
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