1 files changed, 133 insertions, 0 deletions
diff --git a/applets/clock/clock.c b/applets/clock/clock.c
new file mode 100644
index 0000000..62a85c4
--- /dev/null
+++ b/applets/clock/clock.c
@@ -0,0 +1,133 @@
+/* 
+ * (C) 2006 OpenedHand Ltd.
+ *
+ * Author: Jorn Baayen <jorn@openedhand.com>
+ *
+ * Licensed under the GPL v2 or greater.
+ */
+
+#include <gtk/gtklabel.h>
+#include <time.h>
+#include <matchbox-panel/mb-panel.h>
+
+/* Applet destroyed */
+static void
+destroy_cb (GtkLabel *label)
+{
+        guint timeout_id;
+        
+        /* Remove timeout */
+        timeout_id =
+                GPOINTER_TO_UINT
+                        (g_object_get_data (G_OBJECT (label), "timeout-id"));
+
+        g_source_remove (timeout_id);
+}
+
+/* Called every minute */
+static gboolean
+timeout (GtkLabel *label)
+{
+        time_t t;
+        char str[6];
+
+        /* Update label */
+        t = time (NULL);
+        strftime (str, 6, "%H:%M", localtime (&t));
+        
+        gtk_label_set_text (label, str);
+
+        /* Keep going */
+        return TRUE;
+}
+
+/* Called on the next minute after applet creation */
+static gboolean
+initial_timeout (GtkLabel *label)
+{
+        guint timeout_id;
+        
+        /* Update label */
+        timeout (label);
+        
+        /* Install a new timeout that is called every minute */
+        timeout_id = g_timeout_add (60 * 1000,
+                                    (GSourceFunc) timeout,
+                                    label);
+        
+        g_object_set_data (G_OBJECT (label),
+                           "timeout-id",
+                           GUINT_TO_POINTER (timeout_id));
+        
+        /* Don't call this again */
+        return FALSE;
+}
+
+/* GtkStyle set */
+static void
+style_set_cb (GtkWidget *widget,
+              GtkStyle  *style,
+              gpointer   user_data)
+{
+        GtkRequisition requisition;
+
+        gtk_widget_size_request (widget, &requisition);
+
+        /* Do we have enough space for a horizontal clock? */
+        if (GPOINTER_TO_INT (user_data) < requisition.width) {
+                /* No: Rotate label 90 degrees */
+                gtk_label_set_angle (GTK_LABEL (widget), 90.0);
+        }
+}
+
+G_MODULE_EXPORT GtkWidget *
+mb_panel_applet_create (const char *id,
+                        int         panel_width,
+                        int         panel_height)
+{
+        GtkWidget *label;
+        guint timeout_id;
+        time_t t;
+        struct tm *local_time;
+
+        /* Create label */
+        label = gtk_label_new (NULL);
+
+        gtk_widget_set_name (label, "MatchboxPanelClock");
+
+        timeout (GTK_LABEL (label));
+
+        g_signal_connect (label,
+                          "destroy",
+                          G_CALLBACK (destroy_cb),
+                          NULL);
+
+        /* Set up a timeout to be called when we hit the next minute */
+        t = time (NULL);
+        local_time = localtime (&t);
+        
+        timeout_id = g_timeout_add ((60 - local_time->tm_sec) * 1000,
+                                    (GSourceFunc) initial_timeout,
+                                    label);
+        
+        g_object_set_data (G_OBJECT (label),
+                           "timeout-id",
+                           GUINT_TO_POINTER (timeout_id));
+
+        /* Is this a vertical panel? */
+        if (panel_width < panel_height) {
+                /* Yes: Connect to 'style-set' signal */
+                g_signal_connect (label,
+                                  "style-set",
+                                  G_CALLBACK (style_set_cb),
+                                  GINT_TO_POINTER (panel_width));
+
+                gtk_misc_set_padding (GTK_MISC (label), 0, 5);
+        } else
+                gtk_misc_set_padding (GTK_MISC (label), 5, 0);
+
+        /* Show! */
+        gtk_widget_show (label);
+
+        return label;
+};