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#include <config.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include <X11/Xlib.h>
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#include <gdk/gdk.h>
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#include <gdk/gdkx.h>
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#include "xapp-gtk-utils.h"
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static void
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set_icon_name (GtkWidget *widget,
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const gchar *icon_name)
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{
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GdkDisplay *display;
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GdkWindow *window;
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window = gtk_widget_get_window (widget);
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if (gdk_window_get_effective_toplevel (window) != window)
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{
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g_warning ("Window is not toplevel");
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return;
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}
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display = gdk_window_get_display (window);
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if (icon_name != NULL)
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{
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XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
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GDK_WINDOW_XID (window),
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gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_XAPP_ICON_NAME"),
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gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8,
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PropModeReplace, (guchar *)icon_name, strlen (icon_name));
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}
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else
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{
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XDeleteProperty (GDK_DISPLAY_XDISPLAY (display),
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GDK_WINDOW_XID (window),
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gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_XAPP_ICON_NAME"));
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}
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}
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static void
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on_gtk_window_realized (GtkWidget *widget,
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gpointer user_data)
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{
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gchar *int_string;
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g_return_if_fail (GTK_IS_WIDGET (widget));
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int_string = (gchar *) user_data;
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g_signal_handlers_disconnect_by_func (widget, on_gtk_window_realized, int_string);
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g_object_weak_unref (G_OBJECT (widget), (GWeakNotify) g_free, int_string);
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set_icon_name (widget, int_string);
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g_free (int_string);
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}
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/**
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* xapp_gtk_window_set_icon_name:
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* @window: The #GtkWindow to set the icon name for
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* @icon_name: (nullable): The icon name or path to set, or %NULL to unset.
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*
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* Sets the icon name hint for a window manager (like muffin) to make
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* available when applications want to change their icons during runtime
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* without having to resort to the internal low-res pixbufs that GdkWindow
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* sets on the client side. This string can be either an icon name
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* corresponding to something in the icon theme, or an absolute path to an
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* icon, or %NULL to unset.
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*/
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void
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xapp_gtk_window_set_icon_name (GtkWindow *window,
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const gchar *icon_name)
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{
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g_return_if_fail (GTK_IS_WINDOW (window));
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/* If the window is realized, set the icon name immediately */
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if (gtk_widget_get_realized (GTK_WIDGET (window)))
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{
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set_icon_name (GTK_WIDGET (window), icon_name);
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}
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/* Otherwise, hang a callback on window's realize signal and do it then */
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else
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{
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gchar *int_string;
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int_string = g_strdup (icon_name);
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g_signal_connect_after (GTK_WIDGET (window),
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"realize",
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G_CALLBACK (on_gtk_window_realized),
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int_string);
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/* Insurance, in case window gets destroyed without ever being realized */
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g_object_weak_ref (G_OBJECT (window),
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(GWeakNotify) g_free,
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int_string);
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}
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}
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