[gnome-settings-daemon] cursor: Hide cursor on tablets with only a touchscreen
- From: Bastien Nocera <hadess src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-settings-daemon] cursor: Hide cursor on tablets with only a touchscreen
- Date: Tue, 7 Jun 2011 17:20:00 +0000 (UTC)
commit 3d2f33aa46f2c524fbd0c00def12fa1c7178a71c
Author: Bastien Nocera <hadess hadess net>
Date: Tue Jun 7 18:09:02 2011 +0100
cursor: Hide cursor on tablets with only a touchscreen
When a tablet is available and no external pointer devices are
available, hide the cursor.
https://bugzilla.gnome.org/show_bug.cgi?id=650604
configure.ac | 7 +
...gnome.settings-daemon.plugins.gschema.xml.in.in | 13 +
plugins/Makefile.am | 1 +
plugins/cursor/Makefile.am | 47 +++
plugins/cursor/cursor.gnome-settings-plugin.in | 8 +
plugins/cursor/gsd-cursor-manager.c | 409 ++++++++++++++++++++
plugins/cursor/gsd-cursor-manager.h | 57 +++
plugins/cursor/gsd-cursor-plugin.c | 110 ++++++
plugins/cursor/gsd-cursor-plugin.h | 59 +++
9 files changed, 711 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 07b8b6d..46e11cc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -204,6 +204,12 @@ dnl ---------------------------------------------------------------------------
PKG_CHECK_MODULES(XINPUT, xi)
dnl ---------------------------------------------------------------------------
+dnl - XFixes
+dnl ---------------------------------------------------------------------------
+
+PKG_CHECK_MODULES(XINPUT, xfixes)
+
+dnl ---------------------------------------------------------------------------
dnl - Fontconfig
dnl ---------------------------------------------------------------------------
@@ -549,6 +555,7 @@ plugins/background/Makefile
plugins/clipboard/Makefile
plugins/color/Makefile
plugins/common/Makefile
+plugins/cursor/Makefile
plugins/datetime/Makefile
plugins/dummy/Makefile
plugins/gconf/Makefile
diff --git a/data/org.gnome.settings-daemon.plugins.gschema.xml.in.in b/data/org.gnome.settings-daemon.plugins.gschema.xml.in.in
index 52606cc..e2cf641 100644
--- a/data/org.gnome.settings-daemon.plugins.gschema.xml.in.in
+++ b/data/org.gnome.settings-daemon.plugins.gschema.xml.in.in
@@ -5,6 +5,7 @@
<child name="automount" schema="org.gnome.settings-daemon.plugins.automount"/>
<child name="background" schema="org.gnome.settings-daemon.plugins.background"/>
<child name="clipboard" schema="org.gnome.settings-daemon.plugins.clipboard"/>
+ <child name="cursor" schema="org.gnome.settings-daemon.plugins.cursor"/>
<child name="font" schema="org.gnome.settings-daemon.plugins.font"/>
<child name="keybindings" schema="org.gnome.settings-daemon.plugins.keybindings"/>
<child name="mouse" schema="org.gnome.settings-daemon.plugins.mouse"/>
@@ -72,6 +73,18 @@
<_description>Priority to use for this plugin in gnome-settings-daemon startup queue</_description>
</key>
</schema>
+ <schema gettext-domain="@GETTEXT_PACKAGE@" id="org.gnome.settings-daemon.plugins.cursor" path="/org/gnome/settings-daemon/plugins/cursor/">
+ <key name="active" type="b">
+ <default>true</default>
+ <_summary>Activation of this plugin</_summary>
+ <_description>Whether this plugin would be activated by gnome-settings-daemon or not</_description>
+ </key>
+ <key name="priority" type="i">
+ <default>99</default>
+ <_summary>Priority to use for this plugin</_summary>
+ <_description>Priority to use for this plugin in gnome-settings-daemon startup queue</_description>
+ </key>
+ </schema>
<schema gettext-domain="@GETTEXT_PACKAGE@" id="org.gnome.settings-daemon.plugins.font" path="/org/gnome/settings-daemon/plugins/font/">
<key name="active" type="b">
<default>true</default>
diff --git a/plugins/Makefile.am b/plugins/Makefile.am
index 4436a42..082f051 100644
--- a/plugins/Makefile.am
+++ b/plugins/Makefile.am
@@ -7,6 +7,7 @@ enabled_plugins = \
background \
clipboard \
color \
+ cursor \
datetime \
dummy \
housekeeping \
diff --git a/plugins/cursor/Makefile.am b/plugins/cursor/Makefile.am
new file mode 100644
index 0000000..4808558
--- /dev/null
+++ b/plugins/cursor/Makefile.am
@@ -0,0 +1,47 @@
+plugin_name = cursor
+
+plugin_LTLIBRARIES = \
+ libcursor.la
+
+libcursor_la_SOURCES = \
+ gsd-cursor-manager.c \
+ gsd-cursor-manager.h \
+ gsd-cursor-plugin.c \
+ gsd-cursor-plugin.h
+
+libcursor_la_CPPFLAGS = \
+ -I$(top_srcdir)/gnome-settings-daemon \
+ -I$(top_srcdir)/plugins/common/ \
+ -DGNOME_SETTINGS_LOCALEDIR=\""$(datadir)/locale"\" \
+ $(AM_CPPFLAGS)
+
+libcursor_la_CFLAGS = \
+ $(PLUGIN_CFLAGS) \
+ $(XFIXES_CFLAGS) \
+ $(SETTINGS_PLUGIN_CFLAGS) \
+ $(AM_CFLAGS)
+
+libcursor_la_LDFLAGS = \
+ $(GSD_PLUGIN_LDFLAGS)
+
+libcursor_la_LIBADD = \
+ $(top_builddir)/plugins/common/libcommon.la \
+ $(XFIXES_LIBS) \
+ $(SETTINGS_PLUGIN_LIBS)
+
+plugin_in_files = \
+ cursor.gnome-settings-plugin.in
+
+plugin_DATA = $(plugin_in_files:.gnome-settings-plugin.in=.gnome-settings-plugin)
+
+EXTRA_DIST = \
+ $(plugin_in_files)
+
+CLEANFILES = \
+ $(plugin_DATA)
+
+DISTCLEANFILES = \
+ $(plugin_DATA)
+
+ GSD_INTLTOOL_PLUGIN_RULE@
+
diff --git a/plugins/cursor/cursor.gnome-settings-plugin.in b/plugins/cursor/cursor.gnome-settings-plugin.in
new file mode 100644
index 0000000..2d9c96c
--- /dev/null
+++ b/plugins/cursor/cursor.gnome-settings-plugin.in
@@ -0,0 +1,8 @@
+[GNOME Settings Plugin]
+Module=cursor
+IAge=0
+_Name=Cursor
+_Description=Show/hide cursor on tablet devices
+Authors=Bastien Nocera <hadess hadess net>
+Copyright=Copyright © 2011 Red Hat, Inc.
+Website=
diff --git a/plugins/cursor/gsd-cursor-manager.c b/plugins/cursor/gsd-cursor-manager.c
new file mode 100644
index 0000000..36897ad
--- /dev/null
+++ b/plugins/cursor/gsd-cursor-manager.c
@@ -0,0 +1,409 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2007 William Jon McCann <mccann jhu edu>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include "config.h"
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include <locale.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+
+#include <X11/Xatom.h>
+#include <X11/extensions/Xfixes.h>
+
+#include "gnome-settings-profile.h"
+#include "gsd-cursor-manager.h"
+#include "gsd-input-helper.h"
+
+#define GSD_CURSOR_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GSD_TYPE_CURSOR_MANAGER, GsdCursorManagerPrivate))
+
+struct GsdCursorManagerPrivate
+{
+ guint start_idle_id;
+ guint added_id;
+ guint removed_id;
+ gboolean cursor_shown;
+};
+
+enum {
+ PROP_0,
+};
+
+static void gsd_cursor_manager_class_init (GsdCursorManagerClass *klass);
+static void gsd_cursor_manager_init (GsdCursorManager *cursor_manager);
+static void gsd_cursor_manager_finalize (GObject *object);
+
+G_DEFINE_TYPE (GsdCursorManager, gsd_cursor_manager, G_TYPE_OBJECT)
+
+static gpointer manager_object = NULL;
+
+static gboolean
+device_is_xtest (XDevice *xdevice)
+{
+ Atom realtype, prop;
+ int realformat;
+ unsigned long nitems, bytes_after;
+ unsigned char *data;
+
+ prop = XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), "XTEST Device", False);
+ if (!prop)
+ return FALSE;
+
+ gdk_error_trap_push ();
+ if ((XGetDeviceProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), xdevice, prop, 0, 1, False,
+ XA_INTEGER, &realtype, &realformat, &nitems,
+ &bytes_after, &data) == Success) && (realtype != None)) {
+ gdk_error_trap_pop_ignored ();
+ XFree (data);
+ return TRUE;
+ }
+ gdk_error_trap_pop_ignored ();
+
+ return FALSE;
+}
+
+static void
+set_cursor_visibility (GsdCursorManager *manager,
+ gboolean visible)
+{
+ Display *xdisplay;
+ GdkDisplay *display;
+ guint n_screens;
+ guint i;
+
+ display = gdk_display_get_default ();
+ xdisplay = GDK_DISPLAY_XDISPLAY (display);
+
+ n_screens = gdk_display_get_n_screens (display);
+
+ gdk_error_trap_push ();
+
+ for (i = 0; i < n_screens; i++) {
+ GdkScreen *screen;
+
+ screen = gdk_display_get_screen (display, i);
+
+ if (visible)
+ XFixesShowCursor (xdisplay, GDK_WINDOW_XID (gdk_screen_get_root_window (screen)));
+ else
+ XFixesHideCursor (xdisplay, GDK_WINDOW_XID (gdk_screen_get_root_window (screen)));
+ }
+ if (gdk_error_trap_pop ()) {
+ g_warning ("An error occurred trying to %s the cursor",
+ visible ? "show" : "hide");
+ }
+
+ manager->priv->cursor_shown = visible;
+}
+
+static void
+update_cursor_for_current (GsdCursorManager *manager)
+{
+ XDeviceInfo *device_info;
+ guint num_mice;
+ int n_devices;
+ guint i;
+
+ /* List all the pointer devices
+ * ignore the touchscreens
+ * ignore the XTest devices
+ * see if there's anything left */
+
+ device_info = XListInputDevices (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), &n_devices);
+ if (device_info == NULL)
+ return;
+
+ num_mice = 0;
+
+ for (i = 0; i < n_devices; i++) {
+ XDevice *device;
+
+ if (device_info[i].use != IsXExtensionPointer)
+ return;
+
+ if (device_info_is_touchscreen (&device_info[i]))
+ continue;
+
+ gdk_error_trap_push ();
+ device = XOpenDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device_info[i].id);
+ if (gdk_error_trap_pop () || (device == NULL))
+ continue;
+
+ if (device_is_xtest (device)) {
+ XCloseDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device);
+ continue;
+ }
+
+ num_mice++;
+ }
+ XFreeDeviceList (device_info);
+
+ g_debug ("Found %d devices that aren't touchscreens or fake devices", num_mice);
+
+ if (num_mice > 0) {
+ g_debug ("Mice are present");
+
+ if (manager->priv->cursor_shown == FALSE) {
+ set_cursor_visibility (manager, TRUE);
+ }
+ } else {
+ g_debug ("No mice present");
+ if (manager->priv->cursor_shown == FALSE) {
+ set_cursor_visibility (manager, FALSE);
+ }
+ }
+}
+
+static void
+devices_added_cb (GdkDeviceManager *device_manager,
+ GdkDevice *device,
+ GsdCursorManager *manager)
+{
+ update_cursor_for_current (manager);
+}
+
+static void
+devices_removed_cb (GdkDeviceManager *device_manager,
+ GdkDevice *device,
+ GsdCursorManager *manager)
+{
+ /* If devices are removed, then it's unlikely
+ * a mouse appeared */
+ if (manager->priv->cursor_shown == FALSE)
+ return;
+
+ update_cursor_for_current (manager);
+}
+
+static gboolean
+supports_xfixes (void)
+{
+ gint op_code, event, error;
+
+ return XQueryExtension (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
+ "XFIXES",
+ &op_code,
+ &event,
+ &error);
+}
+
+static gboolean
+supports_cursor_xfixes (void)
+{
+ int major = XFIXES_MAJOR;
+ int minor = XFIXES_MINOR;
+
+ gdk_error_trap_push ();
+
+ if (!supports_xfixes ()) {
+ gdk_error_trap_pop_ignored ();
+ return FALSE;
+ }
+
+ if (XFixesQueryVersion (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), &major, &minor) != Success) {
+ gdk_error_trap_pop_ignored ();
+ return FALSE;
+ }
+ gdk_error_trap_pop_ignored ();
+
+ if (major >= 4)
+ return TRUE;
+
+ return FALSE;
+}
+
+static gboolean
+gsd_cursor_manager_idle_cb (GsdCursorManager *manager)
+{
+ GdkDeviceManager *device_manager;
+
+ gnome_settings_profile_start (NULL);
+
+ if (supports_cursor_xfixes () == FALSE) {
+ g_debug ("XFixes cursor extension not available, will not hide the cursor");
+ return FALSE;
+ }
+
+ if (supports_xinput_devices () == FALSE) {
+ g_debug ("XInput support not available, will not hide the cursor");
+ return FALSE;
+ }
+
+ /* We assume that the touchscreen is builtin and
+ * won't be appearing in the middle of the session... */
+ if (touchscreen_is_present () == FALSE) {
+ g_debug ("Did not find a touchscreen, will not hide the cursor");
+ gnome_settings_profile_end (NULL);
+ return FALSE;
+ }
+
+ update_cursor_for_current (manager);
+
+ device_manager = gdk_display_get_device_manager (gdk_display_get_default ());
+ manager->priv->added_id = g_signal_connect (G_OBJECT (device_manager), "device-added",
+ G_CALLBACK (devices_added_cb), manager);
+ manager->priv->removed_id = g_signal_connect (G_OBJECT (device_manager), "device-removed",
+ G_CALLBACK (devices_removed_cb), manager);
+
+ gnome_settings_profile_end (NULL);
+
+ return FALSE;
+}
+
+gboolean
+gsd_cursor_manager_start (GsdCursorManager *manager,
+ GError **error)
+{
+ g_debug ("Starting cursor manager");
+ gnome_settings_profile_start (NULL);
+
+ manager->priv->start_idle_id = g_idle_add ((GSourceFunc) gsd_cursor_manager_idle_cb, manager);
+
+ gnome_settings_profile_end (NULL);
+
+ return TRUE;
+}
+
+void
+gsd_cursor_manager_stop (GsdCursorManager *manager)
+{
+ GdkDeviceManager *device_manager;
+
+ g_debug ("Stopping cursor manager");
+
+ device_manager = gdk_display_get_device_manager (gdk_display_get_default ());
+
+ if (manager->priv->added_id > 0) {
+ g_signal_handler_disconnect (G_OBJECT (device_manager), manager->priv->added_id);
+ manager->priv->added_id = 0;
+ }
+
+ if (manager->priv->removed_id > 0) {
+ g_signal_handler_disconnect (G_OBJECT (device_manager), manager->priv->removed_id);
+ manager->priv->removed_id = 0;
+ }
+}
+
+static void
+gsd_cursor_manager_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gsd_cursor_manager_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static GObject *
+gsd_cursor_manager_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_properties)
+{
+ GsdCursorManager *cursor_manager;
+
+ cursor_manager = GSD_CURSOR_MANAGER (G_OBJECT_CLASS (gsd_cursor_manager_parent_class)->constructor (type,
+ n_construct_properties,
+ construct_properties));
+
+ return G_OBJECT (cursor_manager);
+}
+
+static void
+gsd_cursor_manager_dispose (GObject *object)
+{
+ G_OBJECT_CLASS (gsd_cursor_manager_parent_class)->dispose (object);
+}
+
+static void
+gsd_cursor_manager_class_init (GsdCursorManagerClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->get_property = gsd_cursor_manager_get_property;
+ object_class->set_property = gsd_cursor_manager_set_property;
+ object_class->constructor = gsd_cursor_manager_constructor;
+ object_class->dispose = gsd_cursor_manager_dispose;
+ object_class->finalize = gsd_cursor_manager_finalize;
+
+ g_type_class_add_private (klass, sizeof (GsdCursorManagerPrivate));
+}
+
+static void
+gsd_cursor_manager_init (GsdCursorManager *manager)
+{
+ manager->priv = GSD_CURSOR_MANAGER_GET_PRIVATE (manager);
+ manager->priv->cursor_shown = TRUE;
+
+}
+
+static void
+gsd_cursor_manager_finalize (GObject *object)
+{
+ GsdCursorManager *cursor_manager;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GSD_IS_CURSOR_MANAGER (object));
+
+ cursor_manager = GSD_CURSOR_MANAGER (object);
+
+ g_return_if_fail (cursor_manager->priv != NULL);
+
+ G_OBJECT_CLASS (gsd_cursor_manager_parent_class)->finalize (object);
+}
+
+GsdCursorManager *
+gsd_cursor_manager_new (void)
+{
+ if (manager_object != NULL) {
+ g_object_ref (manager_object);
+ } else {
+ manager_object = g_object_new (GSD_TYPE_CURSOR_MANAGER, NULL);
+ g_object_add_weak_pointer (manager_object,
+ (gpointer *) &manager_object);
+ }
+
+ return GSD_CURSOR_MANAGER (manager_object);
+}
diff --git a/plugins/cursor/gsd-cursor-manager.h b/plugins/cursor/gsd-cursor-manager.h
new file mode 100644
index 0000000..9bfed2d
--- /dev/null
+++ b/plugins/cursor/gsd-cursor-manager.h
@@ -0,0 +1,57 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2007 William Jon McCann <mccann jhu edu>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#ifndef __GSD_CURSOR_MANAGER_H
+#define __GSD_CURSOR_MANAGER_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define GSD_TYPE_CURSOR_MANAGER (gsd_cursor_manager_get_type ())
+#define GSD_CURSOR_MANAGER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GSD_TYPE_CURSOR_MANAGER, GsdCursorManager))
+#define GSD_CURSOR_MANAGER_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GSD_TYPE_CURSOR_MANAGER, GsdCursorManagerClass))
+#define GSD_IS_CURSOR_MANAGER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GSD_TYPE_CURSOR_MANAGER))
+#define GSD_IS_CURSOR_MANAGER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GSD_TYPE_CURSOR_MANAGER))
+#define GSD_CURSOR_MANAGER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GSD_TYPE_CURSOR_MANAGER, GsdCursorManagerClass))
+
+typedef struct GsdCursorManagerPrivate GsdCursorManagerPrivate;
+
+typedef struct
+{
+ GObject parent;
+ GsdCursorManagerPrivate *priv;
+} GsdCursorManager;
+
+typedef struct
+{
+ GObjectClass parent_class;
+} GsdCursorManagerClass;
+
+GType gsd_cursor_manager_get_type (void);
+
+GsdCursorManager * gsd_cursor_manager_new (void);
+gboolean gsd_cursor_manager_start (GsdCursorManager *manager,
+ GError **error);
+void gsd_cursor_manager_stop (GsdCursorManager *manager);
+
+G_END_DECLS
+
+#endif /* __GSD_CURSOR_MANAGER_H */
diff --git a/plugins/cursor/gsd-cursor-plugin.c b/plugins/cursor/gsd-cursor-plugin.c
new file mode 100644
index 0000000..79a236d
--- /dev/null
+++ b/plugins/cursor/gsd-cursor-plugin.c
@@ -0,0 +1,110 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2007 William Jon McCann <mccann jhu edu>
+ *
+ * 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, 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include "config.h"
+
+#include <glib/gi18n-lib.h>
+#include <gmodule.h>
+
+#include "gnome-settings-plugin.h"
+#include "gsd-cursor-plugin.h"
+#include "gsd-cursor-manager.h"
+
+struct GsdCursorPluginPrivate {
+ GsdCursorManager *manager;
+};
+
+#define GSD_CURSOR_PLUGIN_GET_PRIVATE(object) (G_TYPE_INSTANCE_GET_PRIVATE ((object), GSD_TYPE_CURSOR_PLUGIN, GsdCursorPluginPrivate))
+
+GNOME_SETTINGS_PLUGIN_REGISTER (GsdCursorPlugin, gsd_cursor_plugin)
+
+static void
+gsd_cursor_plugin_init (GsdCursorPlugin *plugin)
+{
+ plugin->priv = GSD_CURSOR_PLUGIN_GET_PRIVATE (plugin);
+
+ g_debug ("GsdCursorPlugin initializing");
+
+ plugin->priv->manager = gsd_cursor_manager_new ();
+}
+
+static void
+gsd_cursor_plugin_finalize (GObject *object)
+{
+ GsdCursorPlugin *plugin;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GSD_IS_CURSOR_PLUGIN (object));
+
+ g_debug ("GsdCursorPlugin finalizing");
+
+ plugin = GSD_CURSOR_PLUGIN (object);
+
+ g_return_if_fail (plugin->priv != NULL);
+
+ if (plugin->priv->manager != NULL) {
+ g_object_unref (plugin->priv->manager);
+ }
+
+ G_OBJECT_CLASS (gsd_cursor_plugin_parent_class)->finalize (object);
+}
+
+static void
+impl_activate (GnomeSettingsPlugin *plugin)
+{
+ gboolean res;
+ GError *error;
+
+ g_debug ("Activating cursor plugin");
+
+ error = NULL;
+ res = gsd_cursor_manager_start (GSD_CURSOR_PLUGIN (plugin)->priv->manager, &error);
+ if (! res) {
+ g_warning ("Unable to start cursor manager: %s", error->message);
+ g_error_free (error);
+ }
+}
+
+static void
+impl_deactivate (GnomeSettingsPlugin *plugin)
+{
+ g_debug ("Deactivating cursor plugin");
+ gsd_cursor_manager_stop (GSD_CURSOR_PLUGIN (plugin)->priv->manager);
+}
+
+static void
+gsd_cursor_plugin_class_init (GsdCursorPluginClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GnomeSettingsPluginClass *plugin_class = GNOME_SETTINGS_PLUGIN_CLASS (klass);
+
+ object_class->finalize = gsd_cursor_plugin_finalize;
+
+ plugin_class->activate = impl_activate;
+ plugin_class->deactivate = impl_deactivate;
+
+ g_type_class_add_private (klass, sizeof (GsdCursorPluginPrivate));
+}
+
+static void
+gsd_cursor_plugin_class_finalize (GsdCursorPluginClass *klass)
+{
+}
+
diff --git a/plugins/cursor/gsd-cursor-plugin.h b/plugins/cursor/gsd-cursor-plugin.h
new file mode 100644
index 0000000..e2729da
--- /dev/null
+++ b/plugins/cursor/gsd-cursor-plugin.h
@@ -0,0 +1,59 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2007 William Jon McCann <mccann jhu edu>
+ *
+ * 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, 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#ifndef __GSD_CURSOR_PLUGIN_H__
+#define __GSD_CURSOR_PLUGIN_H__
+
+#include <glib.h>
+#include <glib-object.h>
+#include <gmodule.h>
+
+#include "gnome-settings-plugin.h"
+
+G_BEGIN_DECLS
+
+#define GSD_TYPE_CURSOR_PLUGIN (gsd_cursor_plugin_get_type ())
+#define GSD_CURSOR_PLUGIN(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GSD_TYPE_CURSOR_PLUGIN, GsdCursorPlugin))
+#define GSD_CURSOR_PLUGIN_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GSD_TYPE_CURSOR_PLUGIN, GsdCursorPluginClass))
+#define GSD_IS_CURSOR_PLUGIN(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GSD_TYPE_CURSOR_PLUGIN))
+#define GSD_IS_CURSOR_PLUGIN_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GSD_TYPE_CURSOR_PLUGIN))
+#define GSD_CURSOR_PLUGIN_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GSD_TYPE_CURSOR_PLUGIN, GsdCursorPluginClass))
+
+typedef struct GsdCursorPluginPrivate GsdCursorPluginPrivate;
+
+typedef struct
+{
+ GnomeSettingsPlugin parent;
+ GsdCursorPluginPrivate *priv;
+} GsdCursorPlugin;
+
+typedef struct
+{
+ GnomeSettingsPluginClass parent_class;
+} GsdCursorPluginClass;
+
+GType gsd_cursor_plugin_get_type (void) G_GNUC_CONST;
+
+/* All the plugins must implement this function */
+G_MODULE_EXPORT GType register_gnome_settings_plugin (GTypeModule *module);
+
+G_END_DECLS
+
+#endif /* __GSD_CURSOR_PLUGIN_H__ */
[
Date Prev][
Date Next] [
Thread Prev][
Thread Next]
[
Thread Index]
[
Date Index]
[
Author Index]
