[gthumb] progress dialog: use a smoother pulse

[Paolo Bacchilega <paobac src gnome org>]

commit 3b6dc75d8bd722071e78f3c02400daffceec0b51
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sat Dec 22 16:06:29 2012 +0100

    progress dialog: use a smoother pulse

 gthumb/gth-progress-dialog.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gthumb/gth-progress-dialog.c b/gthumb/gth-progress-dialog.c
index 73c3240..83f116d 100644
--- a/gthumb/gth-progress-dialog.c
+++ b/gthumb/gth-progress-dialog.c
@@ -26,7 +26,8 @@
 
 #define DIALOG_WIDTH 450
 #define SHOW_DELAY 500
-#define PULSE_INTERVAL 500
+#define PULSE_INTERVAL (1000 / 12)
+#define PULSE_STEP (1.0 / 20.0)
 
 
 /* -- gth_task_progress -- */
@@ -121,6 +122,7 @@ gth_task_progress_init (GthTaskProgress *self)
 	gtk_box_pack_start (GTK_BOX (vbox), self->description_label, FALSE, FALSE, 0);
 
 	self->fraction_progressbar = gtk_progress_bar_new ();
+	gtk_progress_bar_set_pulse_step (GTK_PROGRESS_BAR (self->fraction_progressbar), PULSE_STEP);
 	gtk_widget_set_size_request (self->fraction_progressbar, -1, 15);
 	gtk_widget_show (self->fraction_progressbar);
 	gtk_box_pack_start (GTK_BOX (vbox), self->fraction_progressbar, FALSE, FALSE, 0);