[gthumb: 14/23] work queues: added some info on how to use the selections

[Paolo Bacchilega <paobac src gnome org>]

commit 2012f8b4607154146cfe019d12c5cfd83f7cb64c
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sat Mar 3 18:06:56 2012 +0100

    work queues: added some info on how to use the selections

 extensions/work_queues/callbacks.c |   26 ++++++++++++++++++++++++++
 extensions/work_queues/callbacks.h |    3 ++-
 extensions/work_queues/main.c      |    1 +
 3 files changed, 29 insertions(+), 1 deletions(-)
---
diff --git a/extensions/work_queues/callbacks.c b/extensions/work_queues/callbacks.c
index 498de18..6fb57a3 100644
--- a/extensions/work_queues/callbacks.c
+++ b/extensions/work_queues/callbacks.c
@@ -145,3 +145,29 @@ work_queues__gth_browser_file_list_key_press_cb (GthBrowser  *browser,
 
 	return result;
 }
+
+
+void
+work_queues__gth_browser_update_extra_widget_cb (GthBrowser *browser)
+{
+	GthFileData *location_data;
+	GtkWidget   *extra_widget;
+	int          n_queue;
+	char        *msg;
+
+	location_data = gth_browser_get_location_data (browser);
+	if (! _g_content_type_is_a (g_file_info_get_content_type (location_data->info), "gthumb/queue"))
+		return;
+
+	n_queue = g_file_info_get_attribute_int32 (location_data->info, "gthumb::n-queue");
+	extra_widget = gth_browser_get_list_extra_widget (browser);
+	gth_embedded_dialog_set_gicon (GTH_EMBEDDED_DIALOG (extra_widget), g_file_info_get_icon (location_data->info), GTK_ICON_SIZE_DIALOG);
+	gth_embedded_dialog_set_primary_text (GTH_EMBEDDED_DIALOG (extra_widget), g_file_info_get_display_name (location_data->info));
+	if (n_queue > 0)
+		msg = g_strdup_printf (_("Use Alt-%d to add files to this selection, Ctrl-%d to view this selection."), n_queue, n_queue);
+	else
+		msg = NULL;
+	gth_embedded_dialog_set_secondary_text (GTH_EMBEDDED_DIALOG (extra_widget), msg);
+
+	g_free (msg);
+}
diff --git a/extensions/work_queues/callbacks.h b/extensions/work_queues/callbacks.h
index fcb6970..e60f773 100644
--- a/extensions/work_queues/callbacks.h
+++ b/extensions/work_queues/callbacks.h
@@ -24,8 +24,9 @@
 
 #include <gthumb.h>
 
-void      work_queues__gth_browser_construct_cb           (GthBrowser *browser);
+void      work_queues__gth_browser_construct_cb           (GthBrowser  *browser);
 gpointer  work_queues__gth_browser_file_list_key_press_cb (GthBrowser  *browser,
 							   GdkEventKey *event);
+void      work_queues__gth_browser_update_extra_widget_cb (GthBrowser  *browser);
 
 #endif /* CALLBACKS_H */
diff --git a/extensions/work_queues/main.c b/extensions/work_queues/main.c
index 66b8844..d8fd88d 100644
--- a/extensions/work_queues/main.c
+++ b/extensions/work_queues/main.c
@@ -33,6 +33,7 @@ gthumb_extension_activate (void)
 	gth_main_register_file_source (GTH_TYPE_FILE_SOURCE_WORK_QUEUES);
 	gth_hook_add_callback ("gth-browser-construct", 10, G_CALLBACK (work_queues__gth_browser_construct_cb), NULL);
 	gth_hook_add_callback ("gth-browser-file-list-key-press", 10, G_CALLBACK (work_queues__gth_browser_file_list_key_press_cb), NULL);
+	gth_hook_add_callback ("gth-browser-update-extra-widget", 20, G_CALLBACK (work_queues__gth_browser_update_extra_widget_cb), NULL);
 }