--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/pidgin/plugins/idle-xscreensaver/idle-xscreensaver.c Tue Oct 31 02:58:02 2023 -0500
@@ -0,0 +1,226 @@
+/*
+ * Pidgin - Internet Messenger
+ * Copyright (C) Pidgin Developers <devel@pidgin.im>
+ *
+ * Pidgin is the legal property of its developers, whose names are too numerous
+ * to list here. Please refer to the COPYRIGHT file distributed with this
+ * source distribution.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <glib.h>
+#include <glib/gi18n-lib.h>
+
+#include <gtk/gtk.h>
+#include <gdk/x11/gdkx.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+
+#include <gplugin.h>
+#include <gplugin-native.h>
+
+#include <purple.h>
+
+#include <pidgin.h>
+
+#define PIDGIN_IDLE_XSCREENSAVER_DOMAIN (g_quark_from_static_string("idle-xscreensaver"))
+#define PIDGIN_IDLE_XSCREENSAVER_IDLE_SOURCE ("pidgin-xscreensaver")
+
+/******************************************************************************
+ * Globals
+ *****************************************************************************/
+static GDateTime *idle_at = NULL;
+
+static Atom XA_BLANK = 0;
+static Atom XA_SCREENSAVER_STATUS = 0;
+
+/******************************************************************************
+ * Callbacks
+ *****************************************************************************/
+static gboolean
+pidgin_idle_xscreensaver_xevent_cb(GdkX11Display *gdk_display, gpointer xevent,
+ G_GNUC_UNUSED gpointer data)
+{
+ XEvent *event = NULL;
+
+ if(xevent == NULL) {
+ return FALSE;
+ }
+
+ event = xevent;
+
+ if(event->type == PropertyNotify &&
+ event->xproperty.state == PropertyNewValue &&
+ event->xproperty.atom == XA_SCREENSAVER_STATUS)
+ {
+ Atom type;
+ Display *x11_display = NULL;
+ Window root_window;
+ int result = 0;
+ int format = 0;
+ gulong n_items = 0;
+ gulong bytes_after = 0;
+ guchar *x_data_ptr = NULL;
+
+ x11_display = gdk_x11_display_get_xdisplay(gdk_display);
+ root_window = RootWindow(x11_display, 0);
+
+ /* We don't use format or bytes_after, but if you pass NULL we
+ * segfault, so we need them to avoid that.
+ */
+ result = XGetWindowProperty(x11_display, root_window,
+ XA_SCREENSAVER_STATUS, 0, 999, False,
+ XA_INTEGER, &type, &format, &n_items,
+ &bytes_after, &x_data_ptr);
+ if(result == Success && type != 0 && x_data_ptr != NULL) {
+ gulong *x_data = (gulong *)x_data_ptr;
+ gboolean need_to_set = FALSE;
+ const char *state = NULL;
+
+ if(type != XA_INTEGER || n_items < 3) {
+ g_clear_pointer(&x_data, XFree);
+
+ g_message("malformed status, ignoring");
+
+ return FALSE;
+ }
+
+ if(x_data[0] == XA_BLANK && idle_at == NULL) {
+ state = "blank";
+ idle_at = g_date_time_new_from_unix_local((gint64)x_data[1]);
+ need_to_set = TRUE;
+ } else if(x_data[0] == 0) {
+ need_to_set = TRUE;
+ state = "unblank";
+ g_clear_pointer(&idle_at, g_date_time_unref);
+ }
+
+ if(need_to_set) {
+ PurpleIdleManager *manager = NULL;
+
+ manager = purple_idle_manager_get_default();
+ purple_idle_manager_set_source(manager,
+ PIDGIN_IDLE_XSCREENSAVER_IDLE_SOURCE,
+ idle_at);
+ }
+
+ if(state != NULL) {
+ g_message("state changed to %s", state);
+ }
+
+ g_clear_pointer(&x_data, XFree);
+ }
+ }
+
+ return FALSE;
+}
+
+/******************************************************************************
+ * Plugin Exports
+ *****************************************************************************/
+static GPluginPluginInfo *
+pidgin_idle_xscreensaver_query(G_GNUC_UNUSED GError **error) {
+ const gchar * const authors[] = {
+ "Pidgin Developers <devel@pidgin.im>",
+ NULL
+ };
+ const char *description = N_("Reads the idle status from XScreenSaver. "
+ "If you aren't using XScreenSaver directly this will not do anything "
+ "useful for you.");
+
+ return purple_plugin_info_new(
+ "id", "pidgin-idle-xscreensaver",
+ "abi-version", PURPLE_ABI_VERSION,
+ "name", N_("XScreenSaver idle reporting"),
+ "version", DISPLAY_VERSION,
+ "category", N_("Presence"),
+ "summary", N_("Read idle state from XScreenSaver"),
+ "description", description,
+ "authors", authors,
+ "website", PURPLE_WEBSITE,
+ NULL);
+}
+
+static gboolean
+pidgin_idle_xscreensaver_load(GPluginPlugin *plugin, GError **error) {
+ PurpleIdleManager *manager = NULL;
+ GdkDisplay *gdk_display = NULL;
+ Display *x11_display = NULL;
+ Window root_window;
+ XWindowAttributes attributes;
+
+ /* Remove any previous idle source we had to make sure we're in a known
+ * state.
+ */
+ manager = purple_idle_manager_get_default();
+ purple_idle_manager_set_source(manager,
+ PIDGIN_IDLE_XSCREENSAVER_IDLE_SOURCE,
+ NULL);
+
+ gdk_display = gdk_display_get_default();
+ if(gdk_display == NULL) {
+ g_set_error_literal(error, PIDGIN_IDLE_XSCREENSAVER_DOMAIN, 0,
+ _("failed to find display"));
+
+ return FALSE;
+ }
+
+ if(!GDK_IS_X11_DISPLAY(gdk_display)) {
+ g_set_error_literal(error, PIDGIN_IDLE_XSCREENSAVER_DOMAIN, 0,
+ _("display is not an x11 display"));
+
+ return FALSE;
+ }
+
+ /* Set our input mask. */
+ x11_display = gdk_x11_display_get_xdisplay(gdk_display);
+ root_window = RootWindow(x11_display, 0);
+ XGetWindowAttributes(x11_display, root_window, &attributes);
+ XSelectInput(x11_display, root_window,
+ attributes.your_event_mask | PropertyChangeMask);
+
+ /* Grab our atoms. */
+ XA_BLANK = gdk_x11_get_xatom_by_name_for_display(GDK_X11_DISPLAY(gdk_display),
+ "BLANK");
+ XA_SCREENSAVER_STATUS = gdk_x11_get_xatom_by_name_for_display(GDK_X11_DISPLAY(gdk_display),
+ "_SCREENSAVER_STATUS");
+
+ /* Connect our signal. */
+ g_signal_connect_object(gdk_display, "xevent",
+ G_CALLBACK(pidgin_idle_xscreensaver_xevent_cb),
+ plugin, 0);
+
+ return TRUE;
+}
+
+static gboolean
+pidgin_idle_xscreensaver_unload(GPluginPlugin *plugin,
+ G_GNUC_UNUSED gboolean shutdown,
+ G_GNUC_UNUSED GError **error)
+{
+ GdkDisplay *display = NULL;
+
+ g_clear_pointer(&idle_at, g_date_time_unref);
+
+ display = gdk_display_get_default();
+ g_signal_handlers_disconnect_by_func(display,
+ pidgin_idle_xscreensaver_xevent_cb,
+ plugin);
+
+ return TRUE;
+}
+
+GPLUGIN_NATIVE_PLUGIN_DECLARE(pidgin_idle_xscreensaver)