diff options
author | Wouter Bolsterlee <wbolster@cvs.gnome.org> | 2006-11-21 23:54:14 (GMT) |
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committer | Wouter Bolsterlee <wbolster@src.gnome.org> | 2006-11-21 23:54:14 (GMT) |
commit | 949bd66322de613217672824798fbc7973c8b314 (patch) | |
tree | a7f347ce58f77cd93be83e7e4cd3fa70932b2c2d /cut-n-paste/totem-screensaver | |
parent | 3f6b889102d20dba9778902f42741b2fdcb47f9b (diff) |
cut-n-paste/totem-screensaver/.cvsignore
2006-11-22 Wouter Bolsterlee <wbolster@cvs.gnome.org>
* configure.ac:
* cut-n-paste/Makefile.am:
* cut-n-paste/totem-screensaver/.cvsignore
* cut-n-paste/totem-screensaver/Makefile.am:
* cut-n-paste/totem-screensaver/README:
* cut-n-paste/totem-screensaver/totem-scrsaver.c:
* cut-n-paste/totem-screensaver/totem-scrsaver.h:
* shell/Makefile.am:
* shell/ev-window.c: (ev_window_run_presentation),
(ev_window_stop_presentation), (ev_window_cmd_help_about),
(ev_window_init):
Implemented screensaver enabling/disabling for
presentation mode (not fullscreen mode). Code stolen
from Totem (with some minor tweaks). Fixes bug #338889.
Diffstat (limited to 'cut-n-paste/totem-screensaver')
-rw-r--r-- | cut-n-paste/totem-screensaver/.cvsignore | 2 | ||||
-rw-r--r-- | cut-n-paste/totem-screensaver/Makefile.am | 11 | ||||
-rw-r--r-- | cut-n-paste/totem-screensaver/README | 3 | ||||
-rw-r--r-- | cut-n-paste/totem-screensaver/totem-scrsaver.c | 416 | ||||
-rw-r--r-- | cut-n-paste/totem-screensaver/totem-scrsaver.h | 49 |
5 files changed, 481 insertions, 0 deletions
diff --git a/cut-n-paste/totem-screensaver/.cvsignore b/cut-n-paste/totem-screensaver/.cvsignore new file mode 100644 index 0000000..282522d --- /dev/null +++ b/cut-n-paste/totem-screensaver/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/cut-n-paste/totem-screensaver/Makefile.am b/cut-n-paste/totem-screensaver/Makefile.am new file mode 100644 index 0000000..9108b91 --- /dev/null +++ b/cut-n-paste/totem-screensaver/Makefile.am @@ -0,0 +1,11 @@ +noinst_LTLIBRARIES = libtotemscrsaver.la +libtotemscrsaver_la_SOURCES = \ + totem-scrsaver.h \ + totem-scrsaver.c + +libtotemscrsaver_la_CFLAGS = \ + -I$(top_srcdir)/lib \ + $(LIB_CFLAGS) \ + $(DBUS_CFLAGS) \ + $(WARNING_CFLAGS) \ + $(DISABLE_DEPRECATED) diff --git a/cut-n-paste/totem-screensaver/README b/cut-n-paste/totem-screensaver/README new file mode 100644 index 0000000..a5be11b --- /dev/null +++ b/cut-n-paste/totem-screensaver/README @@ -0,0 +1,3 @@ +The sources for the screensaver enabling/disabling code are copied from Totem. +A simple replacement (s/WITH_DBUS/ENABLE_DBUS/g) was needed. The hardcoded +"reason for inhibiting" string was also modified. diff --git a/cut-n-paste/totem-screensaver/totem-scrsaver.c b/cut-n-paste/totem-screensaver/totem-scrsaver.c new file mode 100644 index 0000000..5d5a1f2 --- /dev/null +++ b/cut-n-paste/totem-screensaver/totem-scrsaver.c @@ -0,0 +1,416 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- + + Copyright (C) 2004-2006 Bastien Nocera <hadess@hadess.net> + + The Gnome Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The Gnome Library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the Gnome Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. + + Author: Bastien Nocera <hadess@hadess.net> + */ + + +#include "config.h" + +#include <glib/gi18n.h> +#include <gdk/gdkx.h> + +#ifdef HAVE_XTEST +#include <X11/extensions/XTest.h> +#endif /* HAVE_XTEST */ +#include <X11/keysym.h> + +#ifdef ENABLE_DBUS +#include <dbus/dbus.h> +#include <dbus/dbus-glib.h> + +#define GS_SERVICE "org.gnome.ScreenSaver" +#define GS_PATH "/org/gnome/ScreenSaver" +#define GS_INTERFACE "org.gnome.ScreenSaver" +#endif /* ENABLE_DBUS */ + +#include "totem-scrsaver.h" + +#define XSCREENSAVER_MIN_TIMEOUT 60 + +static GObjectClass *parent_class = NULL; +static void totem_scrsaver_class_init (TotemScrsaverClass *class); +static void totem_scrsaver_init (TotemScrsaver *parser); +static void totem_scrsaver_finalize (GObject *object); + + +struct TotemScrsaverPrivate { + /* Whether the screensaver is disabled */ + gboolean disabled; + +#ifdef ENABLE_DBUS + DBusGConnection *connection; + DBusGProxy *gs_proxy; + guint32 cookie; +#endif /* ENABLE_DBUS */ + + /* To save the screensaver info */ + int timeout; + int interval; + int prefer_blanking; + int allow_exposures; + + /* For use with XTest */ + int keycode1, keycode2; + int *keycode; + Bool have_xtest; +}; + +G_DEFINE_TYPE(TotemScrsaver, totem_scrsaver, G_TYPE_OBJECT) + +static gboolean +screensaver_is_running_dbus (TotemScrsaver *scr) +{ +#ifdef ENABLE_DBUS + if (! scr->priv->connection) + return FALSE; + + if (! scr->priv->gs_proxy) + return FALSE; + + return TRUE; +#else + return FALSE; +#endif /* ENABLE_DBUS */ +} + +static void +screensaver_inhibit_dbus (TotemScrsaver *scr, + gboolean inhibit) +{ +#ifdef ENABLE_DBUS + GError *error; + gboolean res; + + g_return_if_fail (scr != NULL); + g_return_if_fail (scr->priv->connection != NULL); + g_return_if_fail (scr->priv->gs_proxy != NULL); + + error = NULL; + if (inhibit) { + char *application; + char *reason; + guint32 cookie; + + application = g_strdup ("Evince"); + reason = g_strdup (_("Running in presentation mode")); + + res = dbus_g_proxy_call (scr->priv->gs_proxy, + "Inhibit", + &error, + G_TYPE_STRING, application, + G_TYPE_STRING, reason, + G_TYPE_INVALID, + G_TYPE_UINT, &cookie, + G_TYPE_INVALID); + + if (res) { + /* save the cookie */ + scr->priv->cookie = cookie; + } else { + /* try the old API */ + res = dbus_g_proxy_call (scr->priv->gs_proxy, + "InhibitActivation", + &error, + G_TYPE_STRING, reason, + G_TYPE_INVALID, + G_TYPE_INVALID); + } + + g_free (reason); + g_free (application); + + } else { + res = dbus_g_proxy_call (scr->priv->gs_proxy, + "UnInhibit", + &error, + G_TYPE_UINT, scr->priv->cookie, + G_TYPE_INVALID, + G_TYPE_INVALID); + if (res) { + /* clear the cookie */ + scr->priv->cookie = 0; + } else { + /* try the old API */ + res = dbus_g_proxy_call (scr->priv->gs_proxy, + "AllowActivation", + &error, + G_TYPE_INVALID, + G_TYPE_INVALID); + } + } + + if (! res) { + if (error) { + g_warning ("Problem inhibiting the screensaver: %s", error->message); + g_error_free (error); + } + } +#endif /* ENABLE_DBUS */ +} + +static void +screensaver_enable_dbus (TotemScrsaver *scr) +{ + screensaver_inhibit_dbus (scr, FALSE); +} + +static void +screensaver_disable_dbus (TotemScrsaver *scr) +{ + screensaver_inhibit_dbus (scr, TRUE); +} + +#ifdef ENABLE_DBUS +static void +gs_proxy_destroy_cb (GObject *proxy, + TotemScrsaver *scr) +{ + g_warning ("Detected that GNOME screensaver has left the bus"); + + /* just invalidate for now */ + scr->priv->gs_proxy = NULL; +} +#endif + +static void +screensaver_init_dbus (TotemScrsaver *scr) +{ +#ifdef ENABLE_DBUS + GError *error = NULL; + + scr->priv->connection = dbus_g_bus_get (DBUS_BUS_SESSION, &error); + + if (! scr->priv->connection) { + if (error) { + g_warning ("Failed to connect to the session bus: %s", error->message); + g_error_free (error); + } + return; + } + + scr->priv->gs_proxy = dbus_g_proxy_new_for_name_owner (scr->priv->connection, + GS_SERVICE, + GS_PATH, + GS_INTERFACE, + NULL); + if (scr->priv->gs_proxy != NULL) { + g_signal_connect_object (scr->priv->gs_proxy, + "destroy", + G_CALLBACK (gs_proxy_destroy_cb), + scr, + 0); + + } + +#endif /* ENABLE_DBUS */ +} + +static void +screensaver_finalize_dbus (TotemScrsaver *scr) +{ +#ifdef ENABLE_DBUS + if (scr->priv->gs_proxy) { + g_object_unref (scr->priv->gs_proxy); + } +#endif /* ENABLE_DBUS */ +} + +static void +screensaver_enable_x11 (TotemScrsaver *scr) +{ + +#ifdef HAVE_XTEST + if (scr->priv->have_xtest == True) + { + g_source_remove_by_user_data (scr); + return; + } +#endif /* HAVE_XTEST */ + + XLockDisplay (GDK_DISPLAY()); + XSetScreenSaver (GDK_DISPLAY(), + scr->priv->timeout, + scr->priv->interval, + scr->priv->prefer_blanking, + scr->priv->allow_exposures); + XUnlockDisplay (GDK_DISPLAY()); +} + +#ifdef HAVE_XTEST +static gboolean +fake_event (TotemScrsaver *scr) +{ + if (scr->priv->disabled) + { + XLockDisplay (GDK_DISPLAY()); + XTestFakeKeyEvent (GDK_DISPLAY(), *scr->priv->keycode, + True, CurrentTime); + XTestFakeKeyEvent (GDK_DISPLAY(), *scr->priv->keycode, + False, CurrentTime); + XUnlockDisplay (GDK_DISPLAY()); + /* Swap the keycode */ + if (scr->priv->keycode == &scr->priv->keycode1) + scr->priv->keycode = &scr->priv->keycode2; + else + scr->priv->keycode = &scr->priv->keycode1; + } + + return TRUE; +} +#endif /* HAVE_XTEST */ + +static void +screensaver_disable_x11 (TotemScrsaver *scr) +{ + +#ifdef HAVE_XTEST + if (scr->priv->have_xtest == True) + { + XLockDisplay (GDK_DISPLAY()); + XGetScreenSaver(GDK_DISPLAY(), &scr->priv->timeout, + &scr->priv->interval, + &scr->priv->prefer_blanking, + &scr->priv->allow_exposures); + XUnlockDisplay (GDK_DISPLAY()); + + if (scr->priv->timeout != 0) + { + g_timeout_add (scr->priv->timeout / 2 * 1000, + (GSourceFunc) fake_event, scr); + } else { + g_timeout_add (XSCREENSAVER_MIN_TIMEOUT / 2 * 1000, + (GSourceFunc) fake_event, scr); + } + + return; + } +#endif /* HAVE_XTEST */ + + XLockDisplay (GDK_DISPLAY()); + XGetScreenSaver(GDK_DISPLAY(), &scr->priv->timeout, + &scr->priv->interval, + &scr->priv->prefer_blanking, + &scr->priv->allow_exposures); + XSetScreenSaver(GDK_DISPLAY(), 0, 0, + DontPreferBlanking, DontAllowExposures); + XUnlockDisplay (GDK_DISPLAY()); +} + +static void +screensaver_init_x11 (TotemScrsaver *scr) +{ +#ifdef HAVE_XTEST + int a, b, c, d; + + XLockDisplay (GDK_DISPLAY()); + scr->priv->have_xtest = XTestQueryExtension (GDK_DISPLAY(), &a, &b, &c, &d); + if(scr->priv->have_xtest == True) + { + scr->priv->keycode1 = XKeysymToKeycode (GDK_DISPLAY(), XK_Alt_L); + if (scr->priv->keycode1 == 0) { + g_warning ("scr->priv->keycode1 not existant"); + } + scr->priv->keycode2 = XKeysymToKeycode (GDK_DISPLAY(), XK_Alt_R); + if (scr->priv->keycode2 == 0) { + scr->priv->keycode2 = XKeysymToKeycode (GDK_DISPLAY(), XK_Alt_L); + if (scr->priv->keycode2 == 0) { + g_warning ("scr->priv->keycode2 not existant"); + } + } + scr->priv->keycode = &scr->priv->keycode1; + } + XUnlockDisplay (GDK_DISPLAY()); +#endif /* HAVE_XTEST */ +} + +static void +screensaver_finalize_x11 (TotemScrsaver *scr) +{ + g_source_remove_by_user_data (scr); +} + +static void +totem_scrsaver_class_init (TotemScrsaverClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + parent_class = g_type_class_peek_parent (klass); + + object_class->finalize = totem_scrsaver_finalize; +} + +TotemScrsaver * +totem_scrsaver_new (void) +{ + return TOTEM_SCRSAVER (g_object_new (TOTEM_TYPE_SCRSAVER, NULL)); +} + +static void +totem_scrsaver_init (TotemScrsaver *scr) +{ + scr->priv = g_new0 (TotemScrsaverPrivate, 1); + + screensaver_init_dbus (scr); + screensaver_init_x11 (scr); +} + +void +totem_scrsaver_disable (TotemScrsaver *scr) +{ + if (scr->priv->disabled != FALSE) + return; + + scr->priv->disabled = TRUE; + + if (screensaver_is_running_dbus (scr) != FALSE) + screensaver_disable_dbus (scr); + else + screensaver_disable_x11 (scr); +} + +void +totem_scrsaver_enable (TotemScrsaver *scr) +{ + if (scr->priv->disabled == FALSE) + return; + + scr->priv->disabled = FALSE; + + if (screensaver_is_running_dbus (scr) != FALSE) + screensaver_enable_dbus (scr); + else + screensaver_enable_x11 (scr); +} + +static void +totem_scrsaver_finalize (GObject *object) +{ + TotemScrsaver *scr = TOTEM_SCRSAVER (object); + + screensaver_finalize_dbus (scr); + screensaver_finalize_x11 (scr); + + g_free (scr->priv); + + if (G_OBJECT_CLASS (parent_class)->finalize != NULL) { + (* G_OBJECT_CLASS (parent_class)->finalize) (object); + } +} + diff --git a/cut-n-paste/totem-screensaver/totem-scrsaver.h b/cut-n-paste/totem-screensaver/totem-scrsaver.h new file mode 100644 index 0000000..f34fb15 --- /dev/null +++ b/cut-n-paste/totem-screensaver/totem-scrsaver.h @@ -0,0 +1,49 @@ +/* + Copyright (C) 2004, Bastien Nocera <hadess@hadess.net> + + The Gnome Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The Gnome Library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the Gnome Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. + + Author: Bastien Nocera <hadess@hadess.net> + */ + +#include <glib.h> +#include <glib-object.h> + +#define TOTEM_TYPE_SCRSAVER (totem_scrsaver_get_type ()) +#define TOTEM_SCRSAVER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TOTEM_TYPE_SCRSAVER, TotemScrsaver)) +#define TOTEM_SCRSAVER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TOTEM_TYPE_SCRSAVER, TotemScrsaverClass)) +#define TOTEM_IS_SCRSAVER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TOTEM_TYPE_SCRSAVER)) +#define TOTEM_IS_SCRSAVER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TOTEM_TYPE_SCRSAVER)) + + +typedef struct TotemScrsaver TotemScrsaver; +typedef struct TotemScrsaverClass TotemScrsaverClass; +typedef struct TotemScrsaverPrivate TotemScrsaverPrivate; + +struct TotemScrsaver { + GObject parent; + TotemScrsaverPrivate *priv; +}; + +struct TotemScrsaverClass { + GObjectClass parent_class; +}; + +GType totem_scrsaver_get_type (void); +TotemScrsaver *totem_scrsaver_new (void); +void totem_scrsaver_enable (TotemScrsaver *scr); +void totem_scrsaver_disable (TotemScrsaver *scr); + |