mirror of
https://gitlab.gnome.org/GNOME/gtk.git
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77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/* 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 void
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destroy_provider (GtkWidget *window,
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GtkStyleProvider *provider)
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{
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gtk_style_context_remove_provider_for_display (gtk_widget_get_display (window), 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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static GtkWidget *window = NULL;
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if (!window)
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{
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GtkWidget *container, *styled_box, *child;
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GtkCssProvider *provider;
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window = gtk_window_new ();
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gtk_window_set_title (GTK_WINDOW (window), "CSS Accordion");
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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_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
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styled_box = gtk_frame_new (NULL);
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gtk_window_set_child (GTK_WINDOW (window), styled_box);
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gtk_widget_add_css_class (styled_box, "accordion");
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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_frame_set_child (GTK_FRAME (styled_box), container);
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child = gtk_button_new_with_label ("This");
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gtk_box_append (GTK_BOX (container), child);
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child = gtk_button_new_with_label ("Is");
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gtk_box_append (GTK_BOX (container), child);
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child = gtk_button_new_with_label ("A");
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gtk_box_append (GTK_BOX (container), child);
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child = gtk_button_new_with_label ("CSS");
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gtk_box_append (GTK_BOX (container), child);
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child = gtk_button_new_with_label ("Accordion");
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gtk_box_append (GTK_BOX (container), child);
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child = gtk_button_new_with_label (":-)");
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gtk_box_append (GTK_BOX (container), child);
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provider = gtk_css_provider_new ();
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gtk_css_provider_load_from_resource (provider, "/css_accordion/css_accordion.css");
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gtk_style_context_add_provider_for_display (gtk_widget_get_display (window),
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GTK_STYLE_PROVIDER (provider),
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GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
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g_signal_connect (window, "destroy",
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G_CALLBACK (destroy_provider), provider);
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g_object_unref (provider);
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}
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if (!gtk_widget_get_visible (window))
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gtk_widget_show (window);
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else
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gtk_window_destroy (GTK_WINDOW (window));
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return window;
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}
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