forked from AuroraMiddleware/gtk
77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/* Overlay/Transparency
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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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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 *sw;
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GtkWidget *overlay;
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GtkWidget *button;
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GtkWidget *label;
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GtkWidget *box;
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GtkWidget *image;
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_screen (GTK_WINDOW (window),
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gtk_widget_get_screen (do_widget));
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gtk_window_set_default_size (GTK_WINDOW (window), 450, 450);
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g_signal_connect (window, "destroy",
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G_CALLBACK (gtk_widget_destroyed), &window);
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gtk_window_set_title (GTK_WINDOW (window), "Transparency");
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overlay = gtk_overlay_new ();
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gtk_container_add (GTK_CONTAINER (window), overlay);
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button = gtk_button_new_with_label ("Don't click this button!");
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label = gtk_bin_get_child (GTK_BIN (button));
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g_object_set (label, "margin", 50, NULL);
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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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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), button);
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gtk_container_child_set (GTK_CONTAINER (overlay), button, "blur", 5.0, NULL);
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button = gtk_button_new_with_label ("Maybe this one?");
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label = gtk_bin_get_child (GTK_BIN (button));
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g_object_set (label, "margin", 50, NULL);
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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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gtk_overlay_add_overlay (GTK_OVERLAY (overlay), button);
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gtk_container_child_set (GTK_CONTAINER (overlay), button, "blur", 5.0, NULL);
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sw = gtk_scrolled_window_new (NULL, NULL);
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sw = gtk_scrolled_window_new (NULL, NULL);
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gtk_container_add (GTK_CONTAINER (overlay), sw);
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gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
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GTK_POLICY_AUTOMATIC,
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GTK_POLICY_AUTOMATIC);
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box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
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gtk_container_add (GTK_CONTAINER (sw), box);
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image = gtk_image_new_from_resource ("/transparent/portland-rose.jpg");
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gtk_container_add (GTK_CONTAINER (box), image);
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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_widget_destroy (window);
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return window;
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}
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