gtk2/demos/gtk-demo/css_accordion.c
2022-11-28 14:34:55 -05:00

77 lines
2.5 KiB
C

/* Theming/CSS Accordion
*
* A simple accordion demo written using CSS transitions and multiple backgrounds
*
*/
#include <gtk/gtk.h>
static void
destroy_provider (GtkWidget *window,
GtkStyleProvider *provider)
{
gtk_style_context_remove_provider_for_display (gtk_widget_get_display (window), provider);
}
GtkWidget *
do_css_accordion (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
if (!window)
{
GtkWidget *container, *styled_box, *child;
GtkCssProvider *provider;
window = gtk_window_new ();
gtk_window_set_title (GTK_WINDOW (window), "CSS Accordion");
gtk_window_set_transient_for (GTK_WINDOW (window), GTK_WINDOW (do_widget));
gtk_window_set_default_size (GTK_WINDOW (window), 600, 300);
g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
styled_box = gtk_frame_new (NULL);
gtk_window_set_child (GTK_WINDOW (window), styled_box);
gtk_widget_add_css_class (styled_box, "accordion");
container = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_widget_set_halign (container, GTK_ALIGN_CENTER);
gtk_widget_set_valign (container, GTK_ALIGN_CENTER);
gtk_frame_set_child (GTK_FRAME (styled_box), container);
child = gtk_button_new_with_label ("This");
gtk_box_append (GTK_BOX (container), child);
child = gtk_button_new_with_label ("Is");
gtk_box_append (GTK_BOX (container), child);
child = gtk_button_new_with_label ("A");
gtk_box_append (GTK_BOX (container), child);
child = gtk_button_new_with_label ("CSS");
gtk_box_append (GTK_BOX (container), child);
child = gtk_button_new_with_label ("Accordion");
gtk_box_append (GTK_BOX (container), child);
child = gtk_button_new_with_label (":-)");
gtk_box_append (GTK_BOX (container), child);
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_resource (provider, "/css_accordion/css_accordion.css");
gtk_style_context_add_provider_for_display (gtk_widget_get_display (window),
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
g_signal_connect (window, "destroy",
G_CALLBACK (destroy_provider), provider);
g_object_unref (provider);
}
if (!gtk_widget_get_visible (window))
gtk_widget_set_visible (window, TRUE);
else
gtk_window_destroy (GTK_WINDOW (window));
return window;
}