mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-14 12:41:07 +00:00
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/* Overlay/Transparency
|
|
*
|
|
* Blur the background behind an overlay.
|
|
*/
|
|
|
|
#include <gtk/gtk.h>
|
|
#include "bluroverlay.h"
|
|
|
|
GtkWidget *
|
|
do_transparent (GtkWidget *do_widget)
|
|
{
|
|
static GtkWidget *window = NULL;
|
|
|
|
if (!window)
|
|
{
|
|
GtkWidget *overlay;
|
|
GtkWidget *button;
|
|
GtkWidget *label;
|
|
GtkWidget *picture;
|
|
|
|
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
|
gtk_window_set_display (GTK_WINDOW (window),
|
|
gtk_widget_get_display (do_widget));
|
|
gtk_window_set_default_size (GTK_WINDOW (window), 450, 450);
|
|
|
|
g_signal_connect (window, "destroy",
|
|
G_CALLBACK (gtk_widget_destroyed), &window);
|
|
|
|
gtk_window_set_title (GTK_WINDOW (window), "Transparency");
|
|
|
|
overlay = blur_overlay_new ();
|
|
gtk_container_add (GTK_CONTAINER (window), overlay);
|
|
|
|
button = gtk_button_new_with_label ("Don't click this button!");
|
|
label = gtk_bin_get_child (GTK_BIN (button));
|
|
g_object_set (label, "margin", 50, NULL);
|
|
|
|
gtk_widget_set_opacity (button, 0.7);
|
|
gtk_widget_set_halign (button, GTK_ALIGN_FILL);
|
|
gtk_widget_set_valign (button, GTK_ALIGN_START);
|
|
|
|
blur_overlay_add_overlay (BLUR_OVERLAY (overlay), button, 5.0);
|
|
|
|
button = gtk_button_new_with_label ("Maybe this one?");
|
|
label = gtk_bin_get_child (GTK_BIN (button));
|
|
g_object_set (label, "margin", 50, NULL);
|
|
|
|
gtk_widget_set_opacity (button, 0.7);
|
|
gtk_widget_set_halign (button, GTK_ALIGN_FILL);
|
|
gtk_widget_set_valign (button, GTK_ALIGN_END);
|
|
|
|
blur_overlay_add_overlay (BLUR_OVERLAY (overlay), button, 5.0);
|
|
|
|
picture = gtk_picture_new_for_resource ("/transparent/portland-rose.jpg");
|
|
gtk_container_add (GTK_CONTAINER (overlay), picture);
|
|
}
|
|
|
|
if (!gtk_widget_get_visible (window))
|
|
gtk_widget_show (window);
|
|
else
|
|
gtk_widget_destroy (window);
|
|
|
|
return window;
|
|
}
|