[goffice] Enable scroll events in canvas.

[Jean BrÃfort <jbrefort src gnome org>]

commit eff49e3a0fdedf290c87f1713ce3568ae003a11c
Author: Jean Brefort <jean brefort normalesup org>
Date:   Fri May 18 12:55:46 2012 +0200

    Enable scroll events in canvas.

 ChangeLog                   |    4 ++++
 goffice/canvas/goc-canvas.c |   18 ++++++++++--------
 2 files changed, 14 insertions(+), 8 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 8a88879..ecb508d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2012-05-18  Jean Brefort  <jean brefort normalesup org>
+
+	* goffice/canvas/goc-canvas.c (goc_canvas_init): enable scroll events.
+
 2012-05-15 Andreas J. Guelzow <aguelzow pyrshep ca>
 
 	* goffice/utils/go-pango-extras.c
diff --git a/goffice/canvas/goc-canvas.c b/goffice/canvas/goc-canvas.c
index 32698ee..b8e6211 100644
--- a/goffice/canvas/goc-canvas.c
+++ b/goffice/canvas/goc-canvas.c
@@ -297,14 +297,16 @@ goc_canvas_init (GocCanvas *canvas)
 #ifdef GOFFICE_WITH_GTK
 	gtk_widget_add_events (w,
 	                       GDK_POINTER_MOTION_MASK |
-			   GDK_BUTTON_MOTION_MASK |
-			   GDK_BUTTON_PRESS_MASK |
-			   GDK_2BUTTON_PRESS |
-			   GDK_BUTTON_RELEASE_MASK |
-			   GDK_KEY_PRESS_MASK |
-			   GDK_KEY_RELEASE_MASK |
-			   GDK_ENTER_NOTIFY_MASK
-			   );
+	                       GDK_BUTTON_MOTION_MASK |
+	                       GDK_BUTTON_PRESS_MASK |
+	                       GDK_2BUTTON_PRESS |
+	                       GDK_BUTTON_RELEASE_MASK |
+	                       GDK_KEY_PRESS_MASK |
+	                       GDK_KEY_RELEASE_MASK |
+	                       GDK_ENTER_NOTIFY_MASK |
+	                       GDK_SCROLL_MASK |
+	                       GDK_SMOOTH_SCROLL_MASK
+	                       );
 	g_signal_connect (G_OBJECT (w), "button-press-event", G_CALLBACK (button_press_cb), NULL);
 	g_signal_connect (G_OBJECT (w), "button-release-event", G_CALLBACK (button_release_cb), NULL);
 	g_signal_connect (G_OBJECT (w), "motion-notify-event", G_CALLBACK (motion_cb), NULL);