[gthumb] video screenshot: show a message in the statusbar after saving

[Paolo Bacchilega <paobac src gnome org>]

commit a3e7b5aac1345dfb5eb2916c09f63165257690a5
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Thu Dec 11 21:30:00 2014 +0100

    video screenshot: show a message in the statusbar after saving

 extensions/gstreamer_tools/actions.c |    9 +++++
 gthumb/gth-statusbar.c               |   56 ++++++++++++++++++++++++++++++++-
 gthumb/gth-statusbar.h               |    2 +
 3 files changed, 65 insertions(+), 2 deletions(-)
---
diff --git a/extensions/gstreamer_tools/actions.c b/extensions/gstreamer_tools/actions.c
index 4280f58..30a3226 100644
--- a/extensions/gstreamer_tools/actions.c
+++ b/extensions/gstreamer_tools/actions.c
@@ -62,12 +62,21 @@ save_screenshot_task_completed_cb (GthTask  *task,
 {
        SaveData           *save_data = user_data;
        GthMediaViewerPage *page = save_data->page;
+       char               *filename;
+       char               *text;
 
        if (error != NULL)
                _gtk_error_dialog_from_gerror_show (GTK_WINDOW (save_data->browser), _("Could not save the 
file"), error);
        else if (save_data->playing_before_screenshot)
                gst_element_set_state (gth_media_viewer_page_get_playbin (page), GST_STATE_PLAYING);
 
+       filename = g_file_get_parse_name (save_data->file_data->file);
+       /* Translators: %s is a filename */
+       text = g_strdup_printf (_("Image saved as %s"), filename);
+       gth_statusbar_set_secondary_text_temp (GTH_STATUSBAR (gth_browser_get_statusbar 
(save_data->browser)), text);
+
+       g_free (text);
+       g_free (filename);
        save_date_free (save_data);
        g_object_unref (task);
 }
diff --git a/gthumb/gth-statusbar.c b/gthumb/gth-statusbar.c
index cb5db84..85d1fca 100644
--- a/gthumb/gth-statusbar.c
+++ b/gthumb/gth-statusbar.c
@@ -24,11 +24,15 @@
 #include "gth-statusbar.h"
 
 
+#define HIDE_TEXT_DELAY 5
+
+
 struct _GthStatusbarPrivate {
        GtkWidget *list_info;
        GtkWidget *primary_text;
        GtkWidget *secondary_text;
        GtkWidget *action_area;
+       guint      hide_secondary_text_id;
 };
 
 
@@ -36,9 +40,31 @@ G_DEFINE_TYPE (GthStatusbar, gth_statusbar, GTK_TYPE_BOX)
 
 
 static void
+gth_statusbar_finalize (GObject *object)
+{
+       GthStatusbar *self;
+
+       self = GTH_STATUSBAR (object);
+
+       if (self->priv->hide_secondary_text_id != 0) {
+               g_source_remove (self->priv->hide_secondary_text_id);
+               self->priv->hide_secondary_text_id = 0;
+       }
+
+       G_OBJECT_CLASS (gth_statusbar_parent_class)->finalize (object);
+}
+
+
+static void
 gth_statusbar_class_init (GthStatusbarClass *klass)
 {
+
+       GObjectClass *object_class;
+
        g_type_class_add_private (klass, sizeof (GthStatusbarPrivate));
+
+       object_class = (GObjectClass*) klass;
+       object_class->finalize = gth_statusbar_finalize;
 }
 
 
@@ -46,6 +72,7 @@ static void
 gth_statusbar_init (GthStatusbar *statusbar)
 {
        statusbar->priv = G_TYPE_INSTANCE_GET_PRIVATE (statusbar, GTH_TYPE_STATUSBAR, GthStatusbarPrivate);
+       statusbar->priv->hide_secondary_text_id = 0;
 
        gtk_box_set_spacing (GTK_BOX (statusbar), 6);
        gtk_widget_set_margin_top (GTK_WIDGET (statusbar), 3);
@@ -105,10 +132,35 @@ gth_statusbar_set_primary_text (GthStatusbar *statusbar,
 
 
 void
-gth_statusbar_set_secondary_text (GthStatusbar *statusbar,
+gth_statusbar_set_secondary_text (GthStatusbar *self,
                                  const char   *text)
 {
-       gtk_label_set_text (GTK_LABEL (statusbar->priv->secondary_text), text);
+       if (self->priv->hide_secondary_text_id != 0) {
+               g_source_remove (self->priv->hide_secondary_text_id);
+               self->priv->hide_secondary_text_id = 0;
+       }
+       gtk_label_set_text (GTK_LABEL (self->priv->secondary_text), text);
+}
+
+
+static gboolean
+hide_secondary_text_cb (gpointer user_data)
+{
+       GthStatusbar *self = user_data;
+
+       self->priv->hide_secondary_text_id = 0;
+       gtk_label_set_text (GTK_LABEL (self->priv->secondary_text), "");
+
+       return FALSE;
+}
+
+
+void
+gth_statusbar_set_secondary_text_temp (GthStatusbar *self,
+                                      const char   *text)
+{
+       gth_statusbar_set_secondary_text (self, text);
+       self->priv->hide_secondary_text_id = g_timeout_add_seconds (HIDE_TEXT_DELAY, hide_secondary_text_cb, 
self);
 }
 
 
diff --git a/gthumb/gth-statusbar.h b/gthumb/gth-statusbar.h
index a69f84d..417b69b 100644
--- a/gthumb/gth-statusbar.h
+++ b/gthumb/gth-statusbar.h
@@ -59,6 +59,8 @@ void          gth_statusbar_set_primary_text          (GthStatusbar           *statusbar,
                                                         const char             *text);
 void           gth_statusbar_set_secondary_text        (GthStatusbar           *statusbar,
                                                         const char             *text);
+void           gth_statusbar_set_secondary_text_temp   (GthStatusbar           *statusbar,
+                                                        const char             *text);
 void           gth_statusbar_set_progress              (GthStatusbar           *statusbar,
                                                         const char             *text,
                                                         gboolean                pulse,