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/* Revealer
*
* GtkRevealer is a container that animates showing and hiding
* of its sole child with nice transitions.
*/
#include <gtk/gtk.h>
static gint count = 0;
static guint timeout = 0;
static void
change_direction (GtkRevealer *revealer)
{
gboolean revealed;
revealed = gtk_revealer_get_child_revealed (revealer);
gtk_revealer_set_reveal_child (revealer, !revealed);
}
static gboolean
reveal_one (gpointer data)
{
GtkWidget *window = data;
GtkBuilder *builder;
gchar *name;
GtkRevealer *revealer;
builder = GTK_BUILDER (g_object_get_data (G_OBJECT (window), "builder"));
name = g_strdup_printf ("revealer%d", count);
revealer = (GtkRevealer *)gtk_builder_get_object (builder, name);
gtk_revealer_set_reveal_child (revealer, TRUE);
g_signal_connect (revealer, "notify::child-revealed",
G_CALLBACK (change_direction), NULL);
count++;
if (count >= 9)
{
timeout = 0;
return FALSE;
}
else
return TRUE;
}
static GtkWidget *window = NULL;
static void
on_destroy (gpointer data)
{
window = NULL;
if (timeout != 0)
{
g_source_remove (timeout);
timeout = 0;
}
}
GtkWidget *
do_revealer (GtkWidget *do_widget)
{
if (!window)
{
GtkBuilder *builder;
builder = gtk_builder_new_from_resource ("/revealer/revealer.ui");
gtk_builder_connect_signals (builder, NULL);
window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
gtk_window_set_screen (GTK_WINDOW (window),
gtk_widget_get_screen (do_widget));
g_signal_connect (window, "destroy",
G_CALLBACK (on_destroy), NULL);
g_object_set_data_full (G_OBJECT (window), "builder", builder, g_object_unref);
}
if (!gtk_widget_get_visible (window))
{
count = 0;
timeout = g_timeout_add (690, reveal_one, window);
gtk_widget_show_all (window);
}
else
{
gtk_widget_destroy (window);
}
return window;
}
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