[gimp/soc-2010-cage] Bug 610587 - Zooming with zoom tool pans away from the cursor

[Michael Muré <mmure src gnome org>]

commit 00a606f2fb284af12612ee2d2318d7719acfd1d0
Author: Martin Nordholts <martinn src gnome org>
Date:   Sat Jun 19 08:09:34 2010 +0200

    Bug 610587 - Zooming with zoom tool pans away from the cursor
    
    Update lower and upper value of adjustments *before* we set the new
    value, otherwise it will be erroneously clamped sometimes.

 app/display/gimpdisplayshell-scale.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/app/display/gimpdisplayshell-scale.c b/app/display/gimpdisplayshell-scale.c
index 859f913..d8d5976 100644
--- a/app/display/gimpdisplayshell-scale.c
+++ b/app/display/gimpdisplayshell-scale.c
@@ -132,14 +132,15 @@ gimp_display_shell_scale_update_scrollbars (GimpDisplayShell *shell)
 
   g_object_freeze_notify (G_OBJECT (shell->hsbdata));
 
+  /* Update upper and lower value before we set the new value */
+  gimp_display_shell_scroll_setup_hscrollbar (shell, shell->offset_x);
+
   g_object_set (shell->hsbdata,
                 "value",          (gdouble) shell->offset_x,
                 "page-size",      (gdouble) shell->disp_width,
                 "page-increment", (gdouble) shell->disp_width / 2,
                 NULL);
 
-  gimp_display_shell_scroll_setup_hscrollbar (shell, shell->offset_x);
-
   g_object_thaw_notify (G_OBJECT (shell->hsbdata)); /* emits "changed" */
 
 
@@ -147,14 +148,15 @@ gimp_display_shell_scale_update_scrollbars (GimpDisplayShell *shell)
 
   g_object_freeze_notify (G_OBJECT (shell->vsbdata));
 
+  /* Update upper and lower value before we set the new value */
+  gimp_display_shell_scroll_setup_vscrollbar (shell, shell->offset_y);
+
   g_object_set (shell->vsbdata,
                 "value",          (gdouble) shell->offset_y,
                 "page-size",      (gdouble) shell->disp_height,
                 "page-increment", (gdouble) shell->disp_height / 2,
                 NULL);
 
-  gimp_display_shell_scroll_setup_vscrollbar (shell, shell->offset_y);
-
   g_object_thaw_notify (G_OBJECT (shell->vsbdata)); /* emits "changed" */
 }