na-tray: wide panels, add GSettings to the applet

The new GSettings allow to change and remember the minimum icon size for the grid.
The default icon size is set at 24px.

Author: braikar

applets/notification_area/Makefile.am

@@ -93,6 +93,9 @@ org.mate.panel.applet.NotificationAreaAppletFactory.service: $(service_in_files)
 		$< > $@
 endif
 
+notification_area_gschemas_in = org.mate.panel.applet.notification-area.gschema.xml.in
+gsettings_SCHEMAS = $(notification_area_gschemas_in:.xml.in=.xml)
+
 ui_FILES = \
 	notification-area-menu.xml
 
@@ -106,15 +109,20 @@ BUILT_SOURCES = 		\
 	na-resources.c	\
 	na-resources.h
 
+@INTLTOOL_XML_NOMERGE_RULE@
+@GSETTINGS_RULES@
+
 EXTRA_DIST =								\
 	org.mate.panel.NotificationAreaApplet.mate-panel-applet.in.in	\
+	$(notification_area_gschemas_in)				\
 	$(ui_FILES)	\
 	na.gresource.xml \
 	$(service_in_files)
 
 CLEANFILES =			\
 	$(applet_DATA) 		\
 	$(applet_DATA).in	\
-	$(service_DATA)
+	$(service_DATA)		\
+	$(gsettings_SCHEMAS)
 
 -include $(top_srcdir)/git.mk

applets/notification_area/main.c

@@ -25,9 +25,11 @@
 #include <string.h>
 
 #include <mate-panel-applet.h>
+#include <mate-panel-applet-gsettings.h>
 
 #include <glib/gi18n.h>
 #include <gtk/gtk.h>
+#include <gio/gio.h>
 
 #include "main.h"
 #include "na-grid.h"
@@ -40,7 +42,10 @@
 
 struct _NaTrayAppletPrivate
 {
-  GtkWidget *grid;
+  GtkWidget               *grid;
+
+  GSettings               *settings;
+  gint                     min_icon_size;
 
 #ifdef PROVIDE_WATCHER_SERVICE
   GfStatusNotifierWatcher *sn_watcher;
@@ -104,6 +109,23 @@ get_gtk_orientation_from_applet_orient (MatePanelAppletOrient orient)
   return GTK_ORIENTATION_HORIZONTAL;
 }
 
+static void
+gsettings_changed_min_icon_size (GSettings    *settings,
+                                 gchar        *key,
+                                 NaTrayApplet *applet)
+{
+  applet->priv->min_icon_size = g_settings_get_int (settings, key);
+
+  na_grid_set_min_icon_size (NA_GRID (applet->priv->grid), applet->priv->min_icon_size);
+}
+
+static void
+setup_gsettings (NaTrayApplet *applet)
+{
+  applet->priv->settings = mate_panel_applet_settings_new (MATE_PANEL_APPLET (applet), NA_TRAY_SCHEMA);
+  g_signal_connect (applet->priv->settings, "changed::" KEY_MIN_ICON_SIZE, G_CALLBACK (gsettings_changed_min_icon_size), applet);
+}
+
 static void help_cb(GtkAction* action, NaTrayApplet* applet)
 {
 	GError* error = NULL;
@@ -203,6 +225,11 @@ na_tray_applet_realize (GtkWidget *widget)
                                               NA_RESOURCE_PATH "notification-area-menu.xml",
                                               action_group);
   g_object_unref(action_group);
+
+  setup_gsettings (applet);
+
+  // load min icon size
+  gsettings_changed_min_icon_size (applet->priv->settings, KEY_MIN_ICON_SIZE, applet);
 }
 
 static void

applets/notification_area/main.h

@@ -26,6 +26,9 @@
 
 #define NA_RESOURCE_PATH "/org/mate/panel/applet/na/"
 
+#define NA_TRAY_SCHEMA                  "org.mate.panel.applet.notification-area"
+#define KEY_MIN_ICON_SIZE               "min-icon-size"
+
 G_BEGIN_DECLS
 
 #define NA_TYPE_TRAY_APPLET             (na_tray_applet_get_type ())

applets/notification_area/org.mate.panel.applet.notification-area.gschema.xml.in

@@ -0,0 +1,9 @@
+<schemalist gettext-domain="@GETTEXT_PACKAGE@">
+  <schema id="org.mate.panel.applet.notification-area">
+    <key name="min-icon-size" type="i">
+      <default>24</default>
+      <summary>Minimum icon size</summary>
+      <description>The minimum size an icon can have.</description>
+    </key>
+  </schema>
+</schemalist>

configure.ac

@@ -282,6 +282,7 @@ applets/clock/pixmaps/Makefile
 applets/fish/Makefile
 applets/fish/org.mate.panel.applet.fish.gschema.xml
 applets/notification_area/Makefile
+applets/notification_area/org.mate.panel.applet.notification-area.gschema.xml
 applets/notification_area/libstatus-notifier-watcher/Makefile
 applets/notification_area/status-notifier/Makefile
 applets/notification_area/system-tray/Makefile

po/POTFILES.in

@@ -14,6 +14,7 @@ applets/fish/fish.c
 [type: gettext/gsettings]applets/fish/org.mate.panel.applet.fish.gschema.xml.in
 [type: gettext/ini]applets/fish/org.mate.panel.FishApplet.mate-panel-applet.in.in
 applets/notification_area/main.c
+[type: gettext/gsettings]applets/notification_area/org.mate.panel.applet.notification-area.gschema.xml.in
 [type: gettext/ini]applets/notification_area/org.mate.panel.NotificationAreaApplet.mate-panel-applet.in.in
 [type: gettext/gsettings]applets/wncklet/org.mate.panel.applet.window-list.gschema.xml.in
 [type: gettext/gsettings]applets/wncklet/org.mate.panel.applet.workspace-switcher.gschema.xml.in