mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-10 19:00:08 +00:00
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/* CSS Theming/CSS Accordion
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*
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* A simple accordion demo written using CSS transitions and multiple backgrounds
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*
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*/
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#include <gtk/gtk.h>
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static GtkWidget *window = NULL;
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static void
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apply_css (GtkWidget *widget, GtkStyleProvider *provider)
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{
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gtk_style_context_add_provider (gtk_widget_get_style_context (widget), provider, G_MAXUINT);
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if (GTK_IS_CONTAINER (widget))
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gtk_container_forall (GTK_CONTAINER (widget), (GtkCallback) apply_css, provider);
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}
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GtkWidget *
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do_css_accordion (GtkWidget *do_widget)
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{
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if (!window)
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{
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GtkWidget *container, *child;
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GtkStyleProvider *provider;
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GBytes *bytes;
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gsize data_size;
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const guint8 *data;
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_transient_for (GTK_WINDOW (window), GTK_WINDOW (do_widget));
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gtk_window_set_default_size (GTK_WINDOW (window), 600, 300);
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g_signal_connect (window, "destroy",
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G_CALLBACK (gtk_widget_destroyed), &window);
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container = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_widget_set_halign (container, GTK_ALIGN_CENTER);
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gtk_widget_set_valign (container, GTK_ALIGN_CENTER);
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gtk_container_add (GTK_CONTAINER (window), container);
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child = gtk_button_new_with_label ("This");
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gtk_container_add (GTK_CONTAINER (container), child);
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child = gtk_button_new_with_label ("Is");
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gtk_container_add (GTK_CONTAINER (container), child);
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child = gtk_button_new_with_label ("A");
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gtk_container_add (GTK_CONTAINER (container), child);
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child = gtk_button_new_with_label ("CSS");
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gtk_container_add (GTK_CONTAINER (container), child);
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child = gtk_button_new_with_label ("Accordion");
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gtk_container_add (GTK_CONTAINER (container), child);
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child = gtk_button_new_with_label (":-)");
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gtk_container_add (GTK_CONTAINER (container), child);
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provider = GTK_STYLE_PROVIDER (gtk_css_provider_new ());
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bytes = g_resources_lookup_data ("/css_accordion/css_accordion.css", 0, NULL);
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data = g_bytes_get_data (bytes, &data_size);
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gtk_css_provider_load_from_data (GTK_CSS_PROVIDER (provider), (gchar *)data, data_size, NULL);
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g_bytes_unref (bytes);
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apply_css (window, provider);
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}
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if (!gtk_widget_get_visible (window))
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gtk_widget_show_all (window);
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else
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{
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gtk_widget_destroy (window);
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window = NULL;
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}
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return window;
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}
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