mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-14 04:31:09 +00:00
d732c869c2
Add the names of the main widgets as keywords to our demos, but also things like "game". This helps finding relevant demos in our growing list. You can now for example type "label", and find the "error states" and "links" demos showing GtkLabel features.
70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/* Overlay/Transparency
|
|
* #Keywords: GtkOverlay, GtkSnapshot
|
|
*
|
|
* 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_set_display (GTK_WINDOW (window),
|
|
gtk_widget_get_display (do_widget));
|
|
gtk_window_set_default_size (GTK_WINDOW (window), 450, 450);
|
|
g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
|
|
|
|
gtk_window_set_title (GTK_WINDOW (window), "Transparency");
|
|
|
|
overlay = blur_overlay_new ();
|
|
gtk_window_set_child (GTK_WINDOW (window), overlay);
|
|
|
|
button = gtk_button_new_with_label ("Don't click this button!");
|
|
label = gtk_button_get_child (GTK_BUTTON (button));
|
|
gtk_widget_set_margin_start (label, 50);
|
|
gtk_widget_set_margin_end (label, 50);
|
|
gtk_widget_set_margin_top (label, 50);
|
|
gtk_widget_set_margin_bottom (label, 50);
|
|
|
|
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_button_get_child (GTK_BUTTON (button));
|
|
gtk_widget_set_margin_start (label, 50);
|
|
gtk_widget_set_margin_end (label, 50);
|
|
gtk_widget_set_margin_top (label, 50);
|
|
gtk_widget_set_margin_bottom (label, 50);
|
|
|
|
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");
|
|
blur_overlay_set_child (BLUR_OVERLAY (overlay), picture);
|
|
}
|
|
|
|
if (!gtk_widget_get_visible (window))
|
|
gtk_widget_show (window);
|
|
else
|
|
gtk_window_destroy (GTK_WINDOW (window));
|
|
|
|
return window;
|
|
}
|