mirror of
https://gitlab.gnome.org/GNOME/gtk.git
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70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/* Overlay/Transparency
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* #Keywords: GtkOverlay, GtkSnapshot
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*
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* Blur the background behind an overlay.
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*/
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#include <gtk/gtk.h>
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#include "bluroverlay.h"
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GtkWidget *
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do_transparent (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 *overlay;
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GtkWidget *button;
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GtkWidget *label;
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GtkWidget *picture;
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window = gtk_window_new ();
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gtk_window_set_display (GTK_WINDOW (window),
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gtk_widget_get_display (do_widget));
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gtk_window_set_default_size (GTK_WINDOW (window), 450, 450);
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g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
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gtk_window_set_title (GTK_WINDOW (window), "Transparency");
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overlay = blur_overlay_new ();
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gtk_window_set_child (GTK_WINDOW (window), overlay);
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button = gtk_button_new_with_label ("Don't click this button!");
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label = gtk_button_get_child (GTK_BUTTON (button));
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gtk_widget_set_margin_start (label, 50);
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gtk_widget_set_margin_end (label, 50);
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gtk_widget_set_margin_top (label, 50);
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gtk_widget_set_margin_bottom (label, 50);
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gtk_widget_set_opacity (button, 0.7);
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gtk_widget_set_halign (button, GTK_ALIGN_FILL);
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gtk_widget_set_valign (button, GTK_ALIGN_START);
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blur_overlay_add_overlay (BLUR_OVERLAY (overlay), button, 5.0);
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button = gtk_button_new_with_label ("Maybe this one?");
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label = gtk_button_get_child (GTK_BUTTON (button));
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gtk_widget_set_margin_start (label, 50);
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gtk_widget_set_margin_end (label, 50);
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gtk_widget_set_margin_top (label, 50);
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gtk_widget_set_margin_bottom (label, 50);
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gtk_widget_set_opacity (button, 0.7);
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gtk_widget_set_halign (button, GTK_ALIGN_FILL);
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gtk_widget_set_valign (button, GTK_ALIGN_END);
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blur_overlay_add_overlay (BLUR_OVERLAY (overlay), button, 5.0);
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picture = gtk_picture_new_for_resource ("/transparent/portland-rose.jpg");
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blur_overlay_set_child (BLUR_OVERLAY (overlay), picture);
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}
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if (!gtk_widget_get_visible (window))
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gtk_widget_set_visible (window, TRUE);
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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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