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+

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+

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+ gsd-xrandr-22.png \

+ gsd-xrandr-24.png \

+ gsd-xrandr-32.png \

+ gsd-xrandr.svg

+

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+ $(INSTALL_DATA) $(srcdir)/gsd-xrandr.svg $(DESTDIR)$(icondir)/scalable/$(context)/gsd-xrandr.svg

+

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+distdir: $(DISTFILES)

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+ -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)

+

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+

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+

+install-data-local:

+ $(mkinstalldirs) $(DESTDIR)$(sysconfdir)/mate-settings-daemon/xrandr

+ $(mkinstalldirs) $(DESTDIR)$(icondir)/16x16/$(context)

+ $(mkinstalldirs) $(DESTDIR)$(icondir)/22x22/$(context)

+ $(mkinstalldirs) $(DESTDIR)$(icondir)/24x24/$(context)

+ $(mkinstalldirs) $(DESTDIR)$(icondir)/32x32/$(context)

+ $(mkinstalldirs) $(DESTDIR)$(icondir)/scalable/$(context)

+ $(INSTALL_DATA) $(srcdir)/gsd-xrandr-16.png $(DESTDIR)$(icondir)/16x16/$(context)/gsd-xrandr.png

+ $(INSTALL_DATA) $(srcdir)/gsd-xrandr-22.png $(DESTDIR)$(icondir)/22x22/$(context)/gsd-xrandr.png

+ $(INSTALL_DATA) $(srcdir)/gsd-xrandr-24.png $(DESTDIR)$(icondir)/24x24/$(context)/gsd-xrandr.png

+ $(INSTALL_DATA) $(srcdir)/gsd-xrandr-32.png $(DESTDIR)$(icondir)/32x32/$(context)/gsd-xrandr.png

+ $(INSTALL_DATA) $(srcdir)/gsd-xrandr.svg $(DESTDIR)$(icondir)/scalable/$(context)/gsd-xrandr.svg

+

+uninstall-local:

+ rm -f $(DESTDIR)$(icondir)/16x16/$(context)/gsd-xrandr.png

+ rm -f $(DESTDIR)$(icondir)/22x22/$(context)/gsd-xrandr.png

+ rm -f $(DESTDIR)$(icondir)/24x24/$(context)/gsd-xrandr.png

+ rm -f $(DESTDIR)$(icondir)/32x32/$(context)/gsd-xrandr.png

+ rm -f $(DESTDIR)$(icondir)/scalable/$(context)/gsd-xrandr.svg

+

+gsd-xrandr-manager-glue.h: gsd-xrandr-manager.xml Makefile

+ dbus-binding-tool --prefix=gsd_xrandr_manager --mode=glib-server $< > xgen-$(@F) \

+ && ( cmp -s xgen-$(@F) $@ || cp xgen-$(@F) $@ ) \

+ && rm -f xgen-$(@F)

+

+@GSD_INTLTOOL_PLUGIN_RULE@

+

+# Tell versions [3.59,3.63) of GNU make to not export all variables.

+# Otherwise a system limit (for SysV at least) may be exceeded.

+.NOEXPORT:

+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-

+ *

+ * Copyright (C) 2007 William Jon McCann <[email protected]>

+ * Copyright (C) 2007, 2008 Red Hat, Inc

+ *

+ * 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 <sys/stat.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 <gdk/gdk.h>

+#include <gdk/gdkx.h>

+#include <gtk/gtk.h>

+#include <mateconf/mateconf-client.h>

+#include <dbus/dbus-glib.h>

+

+#define MATE_DESKTOP_USE_UNSTABLE_API

+

+#include <libmateui/mate-rr-config.h>

+#include <libmateui/mate-rr.h>

+#include <libmateui/mate-rr-labeler.h>

+

+#ifdef HAVE_LIBMATENOTIFY

+#include <libmatenotify/notify.h>

+#endif

+

+#include "mate-settings-profile.h"

+#include "gsd-xrandr-manager.h"

+

+#ifndef HOST_NAME_MAX

+#define HOST_NAME_MAX 255

+#endif

+

+#define GSD_XRANDR_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GSD_TYPE_XRANDR_MANAGER, GsdXrandrManagerPrivate))

+

+#define CONF_DIR "/apps/mate_settings_daemon/xrandr"

+#define CONF_KEY_SHOW_NOTIFICATION_ICON (CONF_DIR "/show_notification_icon")

+#define CONF_KEY_TURN_ON_EXTERNAL_MONITORS_AT_STARTUP (CONF_DIR "/turn_on_external_monitors_at_startup")

+#define CONF_KEY_TURN_ON_LAPTOP_MONITOR_AT_STARTUP (CONF_DIR "/turn_on_laptop_monitor_at_startup")

+#define CONF_KEY_DEFAULT_CONFIGURATION_FILE (CONF_DIR "/default_configuration_file")

+

+#define VIDEO_KEYSYM "XF86Display"

+#define ROTATE_KEYSYM "XF86RotateWindows"

+

+/* Number of seconds that the confirmation dialog will last before it resets the

+ * RANDR configuration to its old state.

+ */

+#define CONFIRMATION_DIALOG_SECONDS 30

+

+/* name of the icon files (gsd-xrandr.svg, etc.) */

+#define GSD_XRANDR_ICON_NAME "gsd-xrandr"

+

+/* executable of the control center's display configuration capplet */

+#define GSD_XRANDR_DISPLAY_CAPPLET "mate-control-center display"

+

+#define GSD_DBUS_PATH "/org/mate/SettingsDaemon"

+#define GSD_DBUS_NAME "org.mate.SettingsDaemon"

+#define GSD_XRANDR_DBUS_PATH GSD_DBUS_PATH "/XRANDR"

+#define GSD_XRANDR_DBUS_NAME GSD_DBUS_NAME ".XRANDR"

+

+struct GsdXrandrManagerPrivate

+{

+ DBusGConnection *dbus_connection;

+

+ /* Key code of the XF86Display key (Fn-F7 on Thinkpads, Fn-F4 on HP machines, etc.) */

+ guint switch_video_mode_keycode;

+

+ /* Key code of the XF86RotateWindows key (present on some tablets) */

+ guint rotate_windows_keycode;

+

+ MateRRScreen *rw_screen;

+ gboolean running;

+

+ GtkStatusIcon *status_icon;

+ GtkWidget *popup_menu;

+ MateRRConfig *configuration;

+ MateRRLabeler *labeler;

+ MateConfClient *client;

+ int notify_id;

+

+ /* fn-F7 status */

+ int current_fn_f7_config; /* -1 if no configs */

+ MateRRConfig **fn_f7_configs; /* NULL terminated, NULL if there are no configs */

+

+ /* Last time at which we got a "screen got reconfigured" event; see on_randr_event() */

+ guint32 last_config_timestamp;

+};

+

+static const MateRRRotation possible_rotations[] = {

+ MATE_RR_ROTATION_0,

+ MATE_RR_ROTATION_90,

+ MATE_RR_ROTATION_180,

+ MATE_RR_ROTATION_270

+ /* We don't allow REFLECT_X or REFLECT_Y for now, as mate-display-properties doesn't allow them, either */

+};

+

+static void gsd_xrandr_manager_class_init (GsdXrandrManagerClass *klass);

+static void gsd_xrandr_manager_init (GsdXrandrManager *xrandr_manager);

+static void gsd_xrandr_manager_finalize (GObject *object);

+

+static void error_message (GsdXrandrManager *mgr, const char *primary_text, GError *error_to_display, const char *secondary_text);

+

+static void status_icon_popup_menu (GsdXrandrManager *manager, guint button, guint32 timestamp);

+static void run_display_capplet (GtkWidget *widget);

+static void get_allowed_rotations_for_output (MateRRConfig *config,

+ MateRRScreen *rr_screen,

+ MateOutputInfo *output,

+ int *out_num_rotations,

+ MateRRRotation *out_rotations);

+

+G_DEFINE_TYPE (GsdXrandrManager, gsd_xrandr_manager, G_TYPE_OBJECT)

+

+static gpointer manager_object = NULL;

+

+static FILE *log_file;

+

+static void

+log_open (void)

+{

+ char *toggle_filename;

+ char *log_filename;

+ struct stat st;

+

+ if (log_file)

+ return;

+

+ toggle_filename = g_build_filename (g_get_home_dir (), "gsd-debug-randr", NULL);

+ log_filename = g_build_filename (g_get_home_dir (), "gsd-debug-randr.log", NULL);

+

+ if (stat (toggle_filename, &st) != 0)

+ goto out;

+

+ log_file = fopen (log_filename, "a");

+

+ if (log_file && ftell (log_file) == 0)

+ fprintf (log_file, "To keep this log from being created, please rm ~/gsd-debug-randr\n");

+

+out:

+ g_free (toggle_filename);

+ g_free (log_filename);

+}

+

+static void

+log_close (void)

+{

+ if (log_file) {

+ fclose (log_file);

+ log_file = NULL;

+ }

+}

+

+static void

+log_msg (const char *format, ...)

+{

+ if (log_file) {

+ va_list args;

+

+ va_start (args, format);

+ vfprintf (log_file, format, args);

+ va_end (args);

+ }

+}

+

+static void

+log_output (MateOutputInfo *output)

+{

+ log_msg (" %s: ", output->name ? output->name : "unknown");

+

+ if (output->connected) {

+ if (output->on) {

+ log_msg ("%dx%d@%d +%d+%d",

+ output->width,

+ output->height,

+ output->rate,

+ output->x,

+ output->y);

+ } else

+ log_msg ("off");

+ } else

+ log_msg ("disconnected");

+

+ if (output->display_name)

+ log_msg (" (%s)", output->display_name);

+

+ if (output->primary)

+ log_msg (" (primary output)");

+

+ log_msg ("\n");

+}

+

+static void

+log_configuration (MateRRConfig *config)

+{

+ int i;

+

+ log_msg (" cloned: %s\n", config->clone ? "yes" : "no");

+

+ for (i = 0; config->outputs[i] != NULL; i++)

+ log_output (config->outputs[i]);

+

+ if (i == 0)

+ log_msg (" no outputs!\n");

+}

+

+static char

+timestamp_relationship (guint32 a, guint32 b)

+{

+ if (a < b)

+ return '<';

+ else if (a > b)

+ return '>';

+ else

+ return '=';

+}

+

+static void

+log_screen (MateRRScreen *screen)

+{

+ MateRRConfig *config;

+ int min_w, min_h, max_w, max_h;

+ guint32 change_timestamp, config_timestamp;

+

+ if (!log_file)

+ return;

+

+ config = mate_rr_config_new_current (screen);

+

+ mate_rr_screen_get_ranges (screen, &min_w, &max_w, &min_h, &max_h);

+ mate_rr_screen_get_timestamps (screen, &change_timestamp, &config_timestamp);

+

+ log_msg (" Screen min(%d, %d), max(%d, %d), change=%u %c config=%u\n",

+ min_w, min_h,

+ max_w, max_h,

+ change_timestamp,

+ timestamp_relationship (change_timestamp, config_timestamp),

+ config_timestamp);

+

+ log_configuration (config);

+ mate_rr_config_free (config);

+}

+

+static void

+log_configurations (MateRRConfig **configs)

+{

+ int i;

+

+ if (!configs) {

+ log_msg (" No configurations\n");

+ return;

+ }

+

+ for (i = 0; configs[i]; i++) {

+ log_msg (" Configuration %d\n", i);

+ log_configuration (configs[i]);

+ }

+}

+

+static void

+show_timestamps_dialog (GsdXrandrManager *manager, const char *msg)

+{

+#if 1

+ return;

+#else

+ struct GsdXrandrManagerPrivate *priv = manager->priv;

+ GtkWidget *dialog;

+ guint32 change_timestamp, config_timestamp;

+ static int serial;

+

+ mate_rr_screen_get_timestamps (priv->rw_screen, &change_timestamp, &config_timestamp);

+

+ dialog = gtk_message_dialog_new (NULL,

+ 0,

+ GTK_MESSAGE_INFO,

+ GTK_BUTTONS_CLOSE,

+ "RANDR timestamps (%d):\n%s\nchange: %u\nconfig: %u",

+ serial++,

+ msg,

+ change_timestamp,

+ config_timestamp);

+ g_signal_connect (dialog, "response",

+ G_CALLBACK (gtk_widget_destroy), NULL);

+ gtk_widget_show (dialog);

+#endif

+}

+

+/* This function centralizes the use of mate_rr_config_apply_from_filename_with_time().

+ *

+ * Optionally filters out MATE_RR_ERROR_NO_MATCHING_CONFIG from

+ * mate_rr_config_apply_from_filename_with_time(), since that is not usually an error.

+ */

+static gboolean

+apply_configuration_from_filename (GsdXrandrManager *manager,

+ const char *filename,

+ gboolean no_matching_config_is_an_error,

+ guint32 timestamp,

+ GError **error)

+{

+ struct GsdXrandrManagerPrivate *priv = manager->priv;

+ GError *my_error;

+ gboolean success;

+ char *str;

+

+ str = g_strdup_printf ("Applying %s with timestamp %d", filename, timestamp);

+ show_timestamps_dialog (manager, str);

+ g_free (str);

+

+ my_error = NULL;

+ success = mate_rr_config_apply_from_filename_with_time (priv->rw_screen, filename, timestamp, &my_error);

+ if (success)

+ return TRUE;

+

+ if (g_error_matches (my_error, MATE_RR_ERROR, MATE_RR_ERROR_NO_MATCHING_CONFIG)) {

+ if (no_matching_config_is_an_error)

+ goto fail;

+

+ /* This is not an error; the user probably changed his monitors

+ * and so they don't match any of the stored configurations.

+ */

+ g_error_free (my_error);

+ return TRUE;

+ }

+

+fail:

+ g_propagate_error (error, my_error);

+ return FALSE;

+}

+

+/* This function centralizes the use of mate_rr_config_apply_with_time().

+ *

+ * Applies a configuration and displays an error message if an error happens.

+ * We just return whether setting the configuration succeeded.

+ */

+static gboolean

+apply_configuration_and_display_error (GsdXrandrManager *manager, MateRRConfig *config, guint32 timestamp)

+{

+ GsdXrandrManagerPrivate *priv = manager->priv;

+ GError *error;

+ gboolean success;

+

+ error = NULL;

+ success = mate_rr_config_apply_with_time (config, priv->rw_screen, timestamp, &error);

+ if (!success) {

+ log_msg ("Could not switch to the following configuration (timestamp %u): %s\n", timestamp, error->message);

+ log_configuration (config);

+ error_message (manager, _("Could not switch the monitor configuration"), error, NULL);

+ g_error_free (error);

+ }

+

+ return success;

+}

+

+static void

+restore_backup_configuration_without_messages (const char *backup_filename, const char *intended_filename)

+{

+ backup_filename = mate_rr_config_get_backup_filename ();

+ rename (backup_filename, intended_filename);

+}

+

+static void

+restore_backup_configuration (GsdXrandrManager *manager, const char *backup_filename, const char *intended_filename, guint32 timestamp)

+{

+ int saved_errno;

+

+ if (rename (backup_filename, intended_filename) == 0) {

+ GError *error;

+

+ error = NULL;

+ if (!apply_configuration_from_filename (manager, intended_filename, FALSE, timestamp, &error)) {

+ error_message (manager, _("Could not restore the display's configuration"), error, NULL);

+

+ if (error)

+ g_error_free (error);

+ }

+

+ return;

+ }

+

+ saved_errno = errno;

+

+ /* ENOENT means the original file didn't exist. That is *not* an error;

+ * the backup was not created because there wasn't even an original

+ * monitors.xml (such as on a first-time login). Note that *here* there

+ * is a "didn't work" monitors.xml, so we must delete that one.

+ */

+ if (saved_errno == ENOENT)

+ unlink (intended_filename);

+ else {

+ char *msg;

+

+ msg = g_strdup_printf ("Could not rename %s to %s: %s",

+ backup_filename, intended_filename,

+ g_strerror (saved_errno));

+ error_message (manager,

+ _("Could not restore the display's configuration from a backup"),

+ NULL,

+ msg);

+ g_free (msg);

+ }

+

+ unlink (backup_filename);

+}

+

+typedef struct {

+ GsdXrandrManager *manager;

+ GtkWidget *dialog;

+

+ int countdown;

+ int response_id;

+} TimeoutDialog;

+

+static void

+print_countdown_text (TimeoutDialog *timeout)

+{

+ gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (timeout->dialog),

+ ngettext ("The display will be reset to its previous configuration in %d second",

+ "The display will be reset to its previous configuration in %d seconds",

+ timeout->countdown),

+ timeout->countdown);

+}

+

+static gboolean

+timeout_cb (gpointer data)

+{

+ TimeoutDialog *timeout = data;

+

+ timeout->countdown--;

+

+ if (timeout->countdown == 0) {

+ timeout->response_id = GTK_RESPONSE_CANCEL;

+ gtk_main_quit ();

+ } else {

+ print_countdown_text (timeout);

+ }

+

+ return TRUE;

+}

+

+static void

+timeout_response_cb (GtkDialog *dialog, int response_id, gpointer data)

+{

+ TimeoutDialog *timeout = data;

+

+ if (response_id == GTK_RESPONSE_DELETE_EVENT) {

+ /* The user closed the dialog or pressed ESC, revert */

+ timeout->response_id = GTK_RESPONSE_CANCEL;

+ } else

+ timeout->response_id = response_id;

+

+ gtk_main_quit ();

+}

+

+static gboolean

+user_says_things_are_ok (GsdXrandrManager *manager, GdkWindow *parent_window)

+{

+ TimeoutDialog timeout;

+ guint timeout_id;

+

+ timeout.manager = manager;

+

+ timeout.dialog = gtk_message_dialog_new (NULL,

+ GTK_DIALOG_MODAL,

+ GTK_MESSAGE_QUESTION,

+ GTK_BUTTONS_NONE,

+ _("Does the display look OK?"));

+

+ timeout.countdown = CONFIRMATION_DIALOG_SECONDS;

+

+ print_countdown_text (&timeout);

+

+ gtk_dialog_add_button (GTK_DIALOG (timeout.dialog), _("_Restore Previous Configuration"), GTK_RESPONSE_CANCEL);

+ gtk_dialog_add_button (GTK_DIALOG (timeout.dialog), _("_Keep This Configuration"), GTK_RESPONSE_ACCEPT);

+ gtk_dialog_set_default_response (GTK_DIALOG (timeout.dialog), GTK_RESPONSE_ACCEPT); /* ah, the optimism */

+

+ g_signal_connect (timeout.dialog, "response",

+ G_CALLBACK (timeout_response_cb),

+ &timeout);

+

+ gtk_widget_realize (timeout.dialog);

+

+ if (parent_window)

+ gdk_window_set_transient_for (gtk_widget_get_window (timeout.dialog), parent_window);

+

+ gtk_widget_show_all (timeout.dialog);

+ /* We don't use g_timeout_add_seconds() since we actually care that the user sees "real" second ticks in the dialog */

+ timeout_id = g_timeout_add (1000,

+ timeout_cb,

+ &timeout);

+ gtk_main ();

+

+ gtk_widget_destroy (timeout.dialog);

+ g_source_remove (timeout_id);

+

+ if (timeout.response_id == GTK_RESPONSE_ACCEPT)

+ return TRUE;

+ else

+ return FALSE;

+}

+

+struct confirmation {

+ GsdXrandrManager *manager;

+ GdkWindow *parent_window;

+ guint32 timestamp;

+};

+

+static gboolean

+confirm_with_user_idle_cb (gpointer data)

+{

+ struct confirmation *confirmation = data;

+ char *backup_filename;

+ char *intended_filename;

+

+ backup_filename = mate_rr_config_get_backup_filename ();

+ intended_filename = mate_rr_config_get_intended_filename ();

+

+ if (user_says_things_are_ok (confirmation->manager, confirmation->parent_window))

+ unlink (backup_filename);

+ else

+ restore_backup_configuration (confirmation->manager, backup_filename, intended_filename, confirmation->timestamp);

+

+ g_free (confirmation);

+

+ return FALSE;

+}

+

+static void

+queue_confirmation_by_user (GsdXrandrManager *manager, GdkWindow *parent_window, guint32 timestamp)

+{

+ struct confirmation *confirmation;

+

+ confirmation = g_new (struct confirmation, 1);

+ confirmation->manager = manager;

+ confirmation->parent_window = parent_window;

+ confirmation->timestamp = timestamp;

+

+ g_idle_add (confirm_with_user_idle_cb, confirmation);

+}

+

+static gboolean

+try_to_apply_intended_configuration (GsdXrandrManager *manager, GdkWindow *parent_window, guint32 timestamp, GError **error)

+{

+ char *backup_filename;

+ char *intended_filename;

+ gboolean result;

+

+ /* Try to apply the intended configuration */

+

+ backup_filename = mate_rr_config_get_backup_filename ();

+ intended_filename = mate_rr_config_get_intended_filename ();

+

+ result = apply_configuration_from_filename (manager, intended_filename, FALSE, timestamp, error);

+ if (!result) {

+ error_message (manager, _("The selected configuration for displays could not be applied"), error ? *error : NULL, NULL);

+ restore_backup_configuration_without_messages (backup_filename, intended_filename);

+ goto out;

+ } else {

+ /* We need to return as quickly as possible, so instead of

+ * confirming with the user right here, we do it in an idle

+ * handler. The caller only expects a status for "could you

+ * change the RANDR configuration?", not "is the user OK with it

+ * as well?".

+ */

+ queue_confirmation_by_user (manager, parent_window, timestamp);

+ }

+

+out:

+ g_free (backup_filename);

+ g_free (intended_filename);

+

+ return result;

+}

+

+/* DBus method for org.mate.SettingsDaemon.XRANDR ApplyConfiguration; see gsd-xrandr-manager.xml for the interface definition */

+static gboolean

+gsd_xrandr_manager_apply_configuration (GsdXrandrManager *manager,

+ GError **error)

+{

+ return try_to_apply_intended_configuration (manager, NULL, GDK_CURRENT_TIME, error);

+}

+

+/* DBus method for org.mate.SettingsDaemon.XRANDR_2 ApplyConfiguration; see gsd-xrandr-manager.xml for the interface definition */

+static gboolean

+gsd_xrandr_manager_2_apply_configuration (GsdXrandrManager *manager,

+ gint64 parent_window_id,

+ gint64 timestamp,

+ GError **error)

+{

+ GdkWindow *parent_window;

+ gboolean result;

+

+ if (parent_window_id != 0)

+ parent_window = gdk_window_foreign_new_for_display (gdk_display_get_default (), (GdkNativeWindow) parent_window_id);

+ else

+ parent_window = NULL;

+

+ result = try_to_apply_intended_configuration (manager, parent_window, (guint32) timestamp, error);

+

+ if (parent_window)

+ g_object_unref (parent_window);

+

+ return result;

+}

+

+/* We include this after the definition of gsd_xrandr_manager_apply_configuration() so the prototype will already exist */

+#include "gsd-xrandr-manager-glue.h"

+

+static gboolean

+is_laptop (MateRRScreen *screen, MateOutputInfo *output)

+{

+ MateRROutput *rr_output;

+

+ rr_output = mate_rr_screen_get_output_by_name (screen, output->name);

+ return mate_rr_output_is_laptop (rr_output);

+}

+

+static gboolean

+get_clone_size (MateRRScreen *screen, int *width, int *height)

+{

+ MateRRMode **modes = mate_rr_screen_list_clone_modes (screen);

+ int best_w, best_h;

+ int i;

+

+ best_w = 0;

+ best_h = 0;

+

+ for (i = 0; modes[i] != NULL; ++i) {

+ MateRRMode *mode = modes[i];

+ int w, h;

+

+ w = mate_rr_mode_get_width (mode);

+ h = mate_rr_mode_get_height (mode);

+

+ if (w * h > best_w * best_h) {

+ best_w = w;

+ best_h = h;

+ }

+ }

+

+ if (best_w > 0 && best_h > 0) {

+ if (width)

+ *width = best_w;

+ if (height)

+ *height = best_h;

+

+ return TRUE;

+ }

+

+ return FALSE;

+}

+

+static void

+print_output (MateOutputInfo *info)

+{

+ g_print (" Output: %s attached to %s\n", info->display_name, info->name);

+ g_print (" status: %s\n", info->on ? "on" : "off");

+ g_print (" width: %d\n", info->width);

+ g_print (" height: %d\n", info->height);

+ g_print (" rate: %d\n", info->rate);

+ g_print (" position: %d %d\n", info->x, info->y);

+}

+

+static void

+print_configuration (MateRRConfig *config, const char *header)

+{

+ int i;

+

+ g_print ("=== %s Configuration ===\n", header);

+ if (!config) {

+ g_print (" none\n");

+ return;

+ }

+

+ for (i = 0; config->outputs[i] != NULL; ++i)

+ print_output (config->outputs[i]);

+}

+

+static gboolean

+config_is_all_off (MateRRConfig *config)

+{

+ int j;

+

+ for (j = 0; config->outputs[j] != NULL; ++j) {

+ if (config->outputs[j]->on) {

+ return FALSE;

+ }

+ }

+

+ return TRUE;

+}

+

+static MateRRConfig *

+make_clone_setup (MateRRScreen *screen)

+{

+ MateRRConfig *result;

+ int width, height;

+ int i;

+

+ if (!get_clone_size (screen, &width, &height))

+ return NULL;

+

+ result = mate_rr_config_new_current (screen);

+

+ for (i = 0; result->outputs[i] != NULL; ++i) {

+ MateOutputInfo *info = result->outputs[i];

+

+ info->on = FALSE;

+ if (info->connected) {

+ MateRROutput *output =

+ mate_rr_screen_get_output_by_name (screen, info->name);

+ MateRRMode **modes = mate_rr_output_list_modes (output);

+ int j;

+ int best_rate = 0;

+

+ for (j = 0; modes[j] != NULL; ++j) {

+ MateRRMode *mode = modes[j];

+ int w, h;

+

+ w = mate_rr_mode_get_width (mode);

+ h = mate_rr_mode_get_height (mode);

+

+ if (w == width && h == height) {

+ int r = mate_rr_mode_get_freq (mode);

+ if (r > best_rate)

+ best_rate = r;

+ }

+ }

+

+ if (best_rate > 0) {

+ info->on = TRUE;

+ info->width = width;

+ info->height = height;

+ info->rate = best_rate;

+ info->rotation = MATE_RR_ROTATION_0;

+ info->x = 0;

+ info->y = 0;

+ }

+ }

+ }

+

+ if (config_is_all_off (result)) {

+ mate_rr_config_free (result);

+ result = NULL;

+ }

+

+ print_configuration (result, "clone setup");

+

+ return result;

+}

+

+static MateRRMode *

+find_best_mode (MateRROutput *output)

+{

+ MateRRMode *preferred;

+ MateRRMode **modes;

+ int best_size;

+ int best_width, best_height, best_rate;

+ int i;

+ MateRRMode *best_mode;

+

+ preferred = mate_rr_output_get_preferred_mode (output);

+ if (preferred)

+ return preferred;

+

+ modes = mate_rr_output_list_modes (output);

+ if (!modes)

+ return NULL;

+

+ best_size = best_width = best_height = best_rate = 0;

+ best_mode = NULL;

+

+ for (i = 0; modes[i] != NULL; i++) {

+ int w, h, r;

+ int size;

+

+ w = mate_rr_mode_get_width (modes[i]);

+ h = mate_rr_mode_get_height (modes[i]);

+ r = mate_rr_mode_get_freq (modes[i]);

+

+ size = w * h;

+

+ if (size > best_size) {

+ best_size = size;

+ best_width = w;

+ best_height = h;

+ best_rate = r;

+ best_mode = modes[i];

+ } else if (size == best_size) {

+ if (r > best_rate) {

+ best_rate = r;

+ best_mode = modes[i];

+ }

+ }

+ }

+

+ return best_mode;

+}

+

+static gboolean

+turn_on (MateRRScreen *screen,

+ MateOutputInfo *info,

+ int x, int y)

+{

+ MateRROutput *output = mate_rr_screen_get_output_by_name (screen, info->name);

+ MateRRMode *mode = find_best_mode (output);

+

+ if (mode) {

+ info->on = TRUE;

+ info->x = x;

+ info->y = y;

+ info->width = mate_rr_mode_get_width (mode);

+ info->height = mate_rr_mode_get_height (mode);

+ info->rotation = MATE_RR_ROTATION_0;

+ info->rate = mate_rr_mode_get_freq (mode);

+

+ return TRUE;

+ }

+

+ return FALSE;

+}

+

+static MateRRConfig *

+make_laptop_setup (MateRRScreen *screen)

+{

+ /* Turn on the laptop, disable everything else */

+ MateRRConfig *result = mate_rr_config_new_current (screen);

+ int i;

+

+ for (i = 0; result->outputs[i] != NULL; ++i) {

+ MateOutputInfo *info = result->outputs[i];

+

+ if (is_laptop (screen, info)) {

+ if (!turn_on (screen, info, 0, 0)) {

+ mate_rr_config_free (result);

+ result = NULL;

+ break;

+ }

+ }

+ else {

+ info->on = FALSE;

+ }

+ }

+

+ if (config_is_all_off (result)) {

+ mate_rr_config_free (result);

+ result = NULL;

+ }

+

+ print_configuration (result, "Laptop setup");

+

+ /* FIXME - Maybe we should return NULL if there is more than

+ * one connected "laptop" screen?

+ */

+ return result;

+

+}

+

+static int

+turn_on_and_get_rightmost_offset (MateRRScreen *screen, MateOutputInfo *info, int x)

+{

+ if (turn_on (screen, info, x, 0))

+ x += info->width;

+

+ return x;

+}

+

+static MateRRConfig *

+make_xinerama_setup (MateRRScreen *screen)

+{

+ /* Turn on everything that has a preferred mode, and

+ * position it from left to right

+ */

+ MateRRConfig *result = mate_rr_config_new_current (screen);

+ int i;

+ int x;

+

+ x = 0;

+ for (i = 0; result->outputs[i] != NULL; ++i) {

+ MateOutputInfo *info = result->outputs[i];

+

+ if (is_laptop (screen, info))

+ x = turn_on_and_get_rightmost_offset (screen, info, x);

+ }

+

+ for (i = 0; result->outputs[i] != NULL; ++i) {

+ MateOutputInfo *info = result->outputs[i];

+

+ if (info->connected && !is_laptop (screen, info))

+ x = turn_on_and_get_rightmost_offset (screen, info, x);

+ }

+

+ if (config_is_all_off (result)) {

+ mate_rr_config_free (result);

+ result = NULL;

+ }

+

+ print_configuration (result, "xinerama setup");

+

+ return result;

+}

+

+static MateRRConfig *

+make_other_setup (MateRRScreen *screen)

+{

+ /* Turn off all laptops, and make all external monitors clone

+ * from (0, 0)

+ */

+

+ MateRRConfig *result = mate_rr_config_new_current (screen);

+ int i;

+

+ for (i = 0; result->outputs[i] != NULL; ++i) {

+ MateOutputInfo *info = result->outputs[i];

+

+ if (is_laptop (screen, info)) {

+ info->on = FALSE;

+ }

+ else {

+ if (info->connected)

+ turn_on (screen, info, 0, 0);

+ }

+ }

+

+ if (config_is_all_off (result)) {

+ mate_rr_config_free (result);

+ result = NULL;

+ }

+

+ print_configuration (result, "other setup");

+

+ return result;

+}

+

+static GPtrArray *

+sanitize (GsdXrandrManager *manager, GPtrArray *array)

+{

+ int i;

+ GPtrArray *new;

+

+ g_debug ("before sanitizing");

+

+ for (i = 0; i < array->len; ++i) {

+ if (array->pdata[i]) {

+ print_configuration (array->pdata[i], "before");

+ }

+ }

+

+

+ /* Remove configurations that are duplicates of

+ * configurations earlier in the cycle

+ */

+ for (i = 0; i < array->len; i++) {

+ int j;

+

+ for (j = i + 1; j < array->len; j++) {

+ MateRRConfig *this = array->pdata[j];

+ MateRRConfig *other = array->pdata[i];

+

+ if (this && other && mate_rr_config_equal (this, other)) {

+ g_debug ("removing duplicate configuration");

+ mate_rr_config_free (this);

+ array->pdata[j] = NULL;

+ break;

+ }

+ }

+ }

+

+ for (i = 0; i < array->len; ++i) {

+ MateRRConfig *config = array->pdata[i];

+

+ if (config && config_is_all_off (config)) {

+ g_debug ("removing configuration as all outputs are off");

+ mate_rr_config_free (array->pdata[i]);

+ array->pdata[i] = NULL;

+ }

+ }

+

+ /* Do a final sanitization pass. This will remove configurations that

+ * don't fit in the framebuffer's Virtual size.

+ */

+

+ for (i = 0; i < array->len; i++) {

+ MateRRConfig *config = array->pdata[i];

+

+ if (config) {

+ GError *error;

+

+ error = NULL;

+ if (!mate_rr_config_applicable (config, manager->priv->rw_screen, &error)) { /* NULL-GError */

+ g_debug ("removing configuration which is not applicable because %s", error->message);

+ g_error_free (error);

+

+ mate_rr_config_free (config);

+ array->pdata[i] = NULL;

+ }

+ }

+ }

+

+ /* Remove NULL configurations */

+ new = g_ptr_array_new ();

+

+ for (i = 0; i < array->len; ++i) {

+ if (array->pdata[i]) {

+ g_ptr_array_add (new, array->pdata[i]);

+ print_configuration (array->pdata[i], "Final");

+ }

+ }

+

+ if (new->len > 0) {

+ g_ptr_array_add (new, NULL);

+ } else {

+ g_ptr_array_free (new, TRUE);

+ new = NULL;

+ }

+

+ g_ptr_array_free (array, TRUE);

+

+ return new;

+}

+

+static void

+generate_fn_f7_configs (GsdXrandrManager *mgr)

+{

+ GPtrArray *array = g_ptr_array_new ();

+ MateRRScreen *screen = mgr->priv->rw_screen;

+

+ g_debug ("Generating configurations");

+

+ /* Free any existing list of configurations */

+ if (mgr->priv->fn_f7_configs) {

+ int i;

+

+ for (i = 0; mgr->priv->fn_f7_configs[i] != NULL; ++i)

+ mate_rr_config_free (mgr->priv->fn_f7_configs[i]);

+ g_free (mgr->priv->fn_f7_configs);

+

+ mgr->priv->fn_f7_configs = NULL;

+ mgr->priv->current_fn_f7_config = -1;

+ }

+

+ g_ptr_array_add (array, mate_rr_config_new_current (screen));

+ g_ptr_array_add (array, make_clone_setup (screen));

+ g_ptr_array_add (array, make_xinerama_setup (screen));

+ g_ptr_array_add (array, make_laptop_setup (screen));

+ g_ptr_array_add (array, make_other_setup (screen));

+

+ array = sanitize (mgr, array);

+

+ if (array) {

+ mgr->priv->fn_f7_configs = (MateRRConfig **)g_ptr_array_free (array, FALSE);

+ mgr->priv->current_fn_f7_config = 0;

+ }

+}

+

+static void

+error_message (GsdXrandrManager *mgr, const char *primary_text, GError *error_to_display, const char *secondary_text)

+{

+#ifdef HAVE_LIBMATENOTIFY

+ GsdXrandrManagerPrivate *priv = mgr->priv;

+ NotifyNotification *notification;

+

+ g_assert (error_to_display == NULL || secondary_text == NULL);

+

+ if (priv->status_icon)

+ notification = notify_notification_new_with_status_icon (primary_text,

+ error_to_display ? error_to_display->message : secondary_text,

+ GSD_XRANDR_ICON_NAME,

+ priv->status_icon);

+ else

+ notification = notify_notification_new (primary_text,

+ error_to_display ? error_to_display->message : secondary_text,

+ GSD_XRANDR_ICON_NAME,

+ NULL);

+

+ notify_notification_show (notification, NULL); /* NULL-GError */

+#else

+ GtkWidget *dialog;

+

+ dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,

+ "%s", primary_text);

+ gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog), "%s",

+ error_to_display ? error_to_display->message : secondary_text);

+

+ gtk_dialog_run (GTK_DIALOG (dialog));

+ gtk_widget_destroy (dialog);

+#endif /* HAVE_LIBMATENOTIFY */

+}

+

+static void

+handle_fn_f7 (GsdXrandrManager *mgr, guint32 timestamp)

+{

+ GsdXrandrManagerPrivate *priv = mgr->priv;

+ MateRRScreen *screen = priv->rw_screen;

+ MateRRConfig *current;

+ GError *error;

+

+ /* Theory of fn-F7 operation

+ *

+ * We maintain a datastructure "fn_f7_status", that contains

+ * a list of MateRRConfig's. Each of the MateRRConfigs has a

+ * mode (or "off") for each connected output.

+ *

+ * When the user hits fn-F7, we cycle to the next MateRRConfig

+ * in the data structure. If the data structure does not exist, it

+ * is generated. If the configs in the data structure do not match

+ * the current hardware reality, it is regenerated.

+ *

+ */

+ g_debug ("Handling fn-f7");

+

+ log_open ();

+ log_msg ("Handling XF86Display hotkey - timestamp %u\n", timestamp);

+

+ error = NULL;

+ if (!mate_rr_screen_refresh (screen, &error) && error) {

+ char *str;

+

+ str = g_strdup_printf (_("Could not refresh the screen information: %s"), error->message);

+ g_error_free (error);

+

+ log_msg ("%s\n", str);

+ error_message (mgr, str, NULL, _("Trying to switch the monitor configuration anyway."));

+ g_free (str);

+ }

+

+ if (!priv->fn_f7_configs) {

+ log_msg ("Generating stock configurations:\n");

+ generate_fn_f7_configs (mgr);

+ log_configurations (priv->fn_f7_configs);

+ }

+

+ current = mate_rr_config_new_current (screen);

+

+ if (priv->fn_f7_configs &&

+ (!mate_rr_config_match (current, priv->fn_f7_configs[0]) ||

+ !mate_rr_config_equal (current, priv->fn_f7_configs[mgr->priv->current_fn_f7_config]))) {

+ /* Our view of the world is incorrect, so regenerate the

+ * configurations

+ */

+ generate_fn_f7_configs (mgr);

+ log_msg ("Regenerated stock configurations:\n");

+ log_configurations (priv->fn_f7_configs);

+ }

+

+ mate_rr_config_free (current);

+

+ if (priv->fn_f7_configs) {

+ guint32 server_timestamp;

+ gboolean success;

+

+ mgr->priv->current_fn_f7_config++;

+

+ if (priv->fn_f7_configs[mgr->priv->current_fn_f7_config] == NULL)

+ mgr->priv->current_fn_f7_config = 0;

+

+ g_debug ("cycling to next configuration (%d)", mgr->priv->current_fn_f7_config);

+

+ print_configuration (priv->fn_f7_configs[mgr->priv->current_fn_f7_config], "new config");

+

+ g_debug ("applying");

+

+ /* See https://bugzilla.gnome.org/show_bug.cgi?id=610482

+ *

+ * Sometimes we'll get two rapid XF86Display keypress events,

+ * but their timestamps will be out of order with respect to the

+ * RANDR timestamps. This *may* be due to stupid BIOSes sending

+ * out display-switch keystrokes "to make Windows work".

+ *

+ * The X server will error out if the timestamp provided is

+ * older than a previous change configuration timestamp. We

+ * assume here that we do want this event to go through still,

+ * since kernel timestamps may be skewed wrt the X server.

+ */

+ mate_rr_screen_get_timestamps (screen, NULL, &server_timestamp);

+ if (timestamp < server_timestamp)

+ timestamp = server_timestamp;

+

+ success = apply_configuration_and_display_error (mgr, priv->fn_f7_configs[mgr->priv->current_fn_f7_config], timestamp);

+

+ if (success) {

+ log_msg ("Successfully switched to configuration (timestamp %u):\n", timestamp);

+ log_configuration (priv->fn_f7_configs[mgr->priv->current_fn_f7_config]);

+ }

+ }

+ else {

+ g_debug ("no configurations generated");

+ }

+

+ log_close ();

+

+ g_debug ("done handling fn-f7");

+}

+

+static MateOutputInfo *

+get_laptop_output_info (MateRRScreen *screen, MateRRConfig *config)

+{

+ int i;

+

+ for (i = 0; config->outputs[i] != NULL; i++) {

+ MateOutputInfo *info;

+

+ info = config->outputs[i];

+ if (is_laptop (screen, info))

+ return info;

+ }

+

+ return NULL;

+

+}

+

+static MateRRRotation

+get_next_rotation (MateRRRotation allowed_rotations, MateRRRotation current_rotation)

+{

+ int i;

+ int current_index;

+

+ /* First, find the index of the current rotation */

+

+ current_index = -1;

+

+ for (i = 0; i < G_N_ELEMENTS (possible_rotations); i++) {

+ MateRRRotation r;

+

+ r = possible_rotations[i];

+ if (r == current_rotation) {

+ current_index = i;

+ break;

+ }

+ }

+

+ if (current_index == -1) {

+ /* Huh, the current_rotation was not one of the supported rotations. Bail out. */

+ return current_rotation;

+ }

+

+ /* Then, find the next rotation that is allowed */

+

+ i = (current_index + 1) % G_N_ELEMENTS (possible_rotations);

+

+ while (1) {

+ MateRRRotation r;

+

+ r = possible_rotations[i];

+ if (r == current_rotation) {

+ /* We wrapped around and no other rotation is suported. Bummer. */

+ return current_rotation;

+ } else if (r & allowed_rotations)

+ return r;

+

+ i = (i + 1) % G_N_ELEMENTS (possible_rotations);

+ }

+}

+

+/* We use this when the XF86RotateWindows key is pressed. That key is present

+ * on some tablet PCs; they use it so that the user can rotate the tablet

+ * easily.

+ */

+static void

+handle_rotate_windows (GsdXrandrManager *mgr, guint32 timestamp)

+{

+ GsdXrandrManagerPrivate *priv = mgr->priv;

+ MateRRScreen *screen = priv->rw_screen;

+ MateRRConfig *current;

+ MateOutputInfo *rotatable_output_info;

+ int num_allowed_rotations;

+ MateRRRotation allowed_rotations;

+ MateRRRotation next_rotation;

+

+ g_debug ("Handling XF86RotateWindows");

+

+ /* Which output? */

+

+ current = mate_rr_config_new_current (screen);

+

+ rotatable_output_info = get_laptop_output_info (screen, current);

+ if (rotatable_output_info == NULL) {

+ g_debug ("No laptop outputs found to rotate; XF86RotateWindows key will do nothing");

+ goto out;

+ }

+

+ /* Which rotation? */

+

+ get_allowed_rotations_for_output (current, priv->rw_screen, rotatable_output_info, &num_allowed_rotations, &allowed_rotations);

+ next_rotation = get_next_rotation (allowed_rotations, rotatable_output_info->rotation);

+

+ if (next_rotation == rotatable_output_info->rotation) {

+ g_debug ("No rotations are supported other than the current one; XF86RotateWindows key will do nothing");

+ goto out;

+ }

+

+ /* Rotate */

+

+ rotatable_output_info->rotation = next_rotation;

+

+ apply_configuration_and_display_error (mgr, current, timestamp);

+

+out:

+ mate_rr_config_free (current);

+}

+

+static GdkFilterReturn

+event_filter (GdkXEvent *xevent,

+ GdkEvent *event,

+ gpointer data)

+{

+ GsdXrandrManager *manager = data;

+ XEvent *xev = (XEvent *) xevent;

+

+ if (!manager->priv->running)

+ return GDK_FILTER_CONTINUE;

+

+ /* verify we have a key event */

+ if (xev->xany.type != KeyPress && xev->xany.type != KeyRelease)

+ return GDK_FILTER_CONTINUE;

+

+ if (xev->xany.type == KeyPress) {

+ if (xev->xkey.keycode == manager->priv->switch_video_mode_keycode)

+ handle_fn_f7 (manager, xev->xkey.time);

+ else if (xev->xkey.keycode == manager->priv->rotate_windows_keycode)

+ handle_rotate_windows (manager, xev->xkey.time);

+

+ return GDK_FILTER_CONTINUE;

+ }

+

+ return GDK_FILTER_CONTINUE;

+}

+

+static void

+refresh_tray_icon_menu_if_active (GsdXrandrManager *manager, guint32 timestamp)

+{

+ GsdXrandrManagerPrivate *priv = manager->priv;

+

+ if (priv->popup_menu) {

+ gtk_menu_shell_cancel (GTK_MENU_SHELL (priv->popup_menu)); /* status_icon_popup_menu_selection_done_cb() will free everything */

+ status_icon_popup_menu (manager, 0, timestamp);

+ }

+}

+

+static void

+auto_configure_outputs (GsdXrandrManager *manager, guint32 timestamp)

+{

+ GsdXrandrManagerPrivate *priv = manager->priv;

+ MateRRConfig *config;

+ int i;

+ GList *just_turned_on;

+ GList *l;

+ int x;

+ GError *error;

+ gboolean applicable;

+

+ config = mate_rr_config_new_current (priv->rw_screen);

+

+ /* For outputs that are connected and on (i.e. they have a CRTC assigned

+ * to them, so they are getting a signal), we leave them as they are

+ * with their current modes.

+ *

+ * For other outputs, we will turn on connected-but-off outputs and turn

+ * off disconnected-but-on outputs.

+ *

+ * FIXME: If an output remained connected+on, it would be nice to ensure

+ * that the output's CRTCs still has a reasonable mode (think of

+ * changing one monitor for another with different capabilities).

+ */

+

+ just_turned_on = NULL;

+

+ for (i = 0; config->outputs[i] != NULL; i++) {

+ MateOutputInfo *output = config->outputs[i];

+

+ if (output->connected && !output->on) {

+ output->on = TRUE;

+ output->rotation = MATE_RR_ROTATION_0;

+ just_turned_on = g_list_prepend (just_turned_on, GINT_TO_POINTER (i));

+ } else if (!output->connected && output->on)

+ output->on = FALSE;

+ }

+

+ /* Now, lay out the outputs from left to right. Put first the outputs

+ * which remained on; put last the outputs that were newly turned on.

+ */

+

+ x = 0;

+

+ /* First, outputs that remained on */

+

+ for (i = 0; config->outputs[i] != NULL; i++) {

+ MateOutputInfo *output = config->outputs[i];

+

+ if (g_list_find (just_turned_on, GINT_TO_POINTER (i)))

+ continue;

+

+ if (output->on) {

+ g_assert (output->connected);

+

+ output->x = x;

+ output->y = 0;

+

+ x += output->width;

+ }

+ }

+

+ /* Second, outputs that were newly-turned on */

+

+ for (l = just_turned_on; l; l = l->next) {

+ MateOutputInfo *output;

+

+ i = GPOINTER_TO_INT (l->data);

+ output = config->outputs[i];

+

+ g_assert (output->on && output->connected);

+

+ output->x = x;

+ output->y = 0;

+

+ /* since the output was off, use its preferred width/height (it doesn't have a real width/height yet) */

+ output->width = output->pref_width;

+ output->height = output->pref_height;

+

+ x += output->width;

+ }

+

+ /* Check if we have a large enough framebuffer size. If not, turn off

+ * outputs from right to left until we reach a usable size.

+ */

+

+ just_turned_on = g_list_reverse (just_turned_on); /* now the outputs here are from right to left */

+

+ l = just_turned_on;

+ while (1) {

+ MateOutputInfo *output;

+ gboolean is_bounds_error;

+

+ error = NULL;

+ applicable = mate_rr_config_applicable (config, priv->rw_screen, &error);

+

+ if (applicable)

+ break;

+

+ is_bounds_error = g_error_matches (error, MATE_RR_ERROR, MATE_RR_ERROR_BOUNDS_ERROR);

+ g_error_free (error);

+

+ if (!is_bounds_error)

+ break;

+

+ if (l) {

+ i = GPOINTER_TO_INT (l->data);

+ l = l->next;

+

+ output = config->outputs[i];

+ output->on = FALSE;

+ } else

+ break;

+ }

+

+ /* Apply the configuration! */

+

+ if (applicable)

+ apply_configuration_and_display_error (manager, config, timestamp);

+

+ g_list_free (just_turned_on);

+ mate_rr_config_free (config);

+

+ /* Finally, even though we did a best-effort job in sanitizing the

+ * outputs, we don't know the physical layout of the monitors. We'll

+ * start the display capplet so that the user can tweak things to his

+ * liking.

+ */

+

+#if 0

+ /* FIXME: This is disabled for now. The capplet is not a single-instance application.

+ * If you do this:

+ *

+ * 1. Start the display capplet

+ *

+ * 2. Plug an extra monitor

+ *

+ * 3. Hit the "Detect displays" button

+ *

+ * Then we will get a RANDR event because X re-probes the outputs. We don't want to

+ * start up a second display capplet right there!

+ */

+

+ run_display_capplet (NULL);

+#endif

+}

+

+static void

+apply_color_profiles (void)

+{

+ gboolean ret;

+ GError *error = NULL;

+

+ /* run the mate-color-manager apply program */

+ ret = g_spawn_command_line_async (BINDIR "/gcm-apply", &error);

+ if (!ret) {

+ /* only print the warning if the binary is installed */

+ if (error->code != G_SPAWN_ERROR_NOENT) {

+ g_warning ("failed to apply color profiles: %s", error->message);

+ }

+ g_error_free (error);

+ }

+}

+

+static void

+on_randr_event (MateRRScreen *screen, gpointer data)

+{

+ GsdXrandrManager *manager = GSD_XRANDR_MANAGER (data);

+ GsdXrandrManagerPrivate *priv = manager->priv;

+ guint32 change_timestamp, config_timestamp;

+

+ if (!priv->running)

+ return;

+

+ mate_rr_screen_get_timestamps (screen, &change_timestamp, &config_timestamp);

+

+ log_open ();

+ log_msg ("Got RANDR event with timestamps change=%u %c config=%u\n",

+ change_timestamp,

+ timestamp_relationship (change_timestamp, config_timestamp),

+ config_timestamp);

+

+ if (change_timestamp >= config_timestamp) {

+ /* The event is due to an explicit configuration change.

+ *

+ * If the change was performed by us, then we need to do nothing.

+ *

+ * If the change was done by some other X client, we don't need

+ * to do anything, either; the screen is already configured.

+ */

+ show_timestamps_dialog (manager, "ignoring since change > config");

+ log_msg (" Ignoring event since change >= config\n");

+ } else {

+ /* Here, config_timestamp > change_timestamp. This means that

+ * the screen got reconfigured because of hotplug/unplug; the X

+ * server is just notifying us, and we need to configure the

+ * outputs in a sane way.

+ */

+

+ char *intended_filename;

+ GError *error;

+ gboolean success;

+

+ show_timestamps_dialog (manager, "need to deal with reconfiguration, as config > change");

+

+ intended_filename = mate_rr_config_get_intended_filename ();

+

+ error = NULL;

+ success = apply_configuration_from_filename (manager, intended_filename, TRUE, config_timestamp, &error);

+ g_free (intended_filename);

+

+ if (!success) {

+ /* We don't bother checking the error type.

+ *

+ * Both G_FILE_ERROR_NOENT and

+ * MATE_RR_ERROR_NO_MATCHING_CONFIG would mean, "there

+ * was no configuration to apply, or none that matched

+ * the current outputs", and in that case we need to run

+ * our fallback.

+ *

+ * Any other error means "we couldn't do the smart thing

+ * of using a previously- saved configuration, anyway,

+ * for some other reason. In that case, we also need to

+ * run our fallback to avoid leaving the user with a

+ * bogus configuration.

+ */

+

+ if (error)

+ g_error_free (error);

+

+ if (config_timestamp != priv->last_config_timestamp) {

+ priv->last_config_timestamp = config_timestamp;

+ auto_configure_outputs (manager, config_timestamp);

+ log_msg (" Automatically configured outputs to deal with event\n");

+ } else

+ log_msg (" Ignored event as old and new config timestamps are the same\n");

+ } else

+ log_msg ("Applied stored configuration to deal with event\n");

+ }

+

+ /* poke mate-color-manager */

+ apply_color_profiles ();

+

+ refresh_tray_icon_menu_if_active (manager, MAX (change_timestamp, config_timestamp));

+

+ log_close ();

+}

+

+static void

+run_display_capplet (GtkWidget *widget)

+{

+ GdkScreen *screen;

+ GError *error;

+

+ if (widget)

+ screen = gtk_widget_get_screen (widget);

+ else

+ screen = gdk_screen_get_default ();

+

+ error = NULL;

+ if (!gdk_spawn_command_line_on_screen (screen, GSD_XRANDR_DISPLAY_CAPPLET, &error)) {

+ GtkWidget *dialog;

+

+ dialog = gtk_message_dialog_new_with_markup (NULL, 0, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,

+ "<span weight=\"bold\" size=\"larger\">"

+ "Display configuration could not be run"

+ "</span>\n\n"

+ "%s", error->message);

+ gtk_dialog_run (GTK_DIALOG (dialog));

+ gtk_widget_destroy (dialog);

+

+ g_error_free (error);

+ }

+}

+

+static void

+popup_menu_configure_display_cb (GtkMenuItem *item, gpointer data)

+{

+ run_display_capplet (GTK_WIDGET (item));

+}

+

+static void

+status_icon_popup_menu_selection_done_cb (GtkMenuShell *menu_shell, gpointer data)

+{

+ GsdXrandrManager *manager = GSD_XRANDR_MANAGER (data);

+ struct GsdXrandrManagerPrivate *priv = manager->priv;

+

+ gtk_widget_destroy (priv->popup_menu);

+ priv->popup_menu = NULL;

+

+ mate_rr_labeler_hide (priv->labeler);

+ g_object_unref (priv->labeler);

+ priv->labeler = NULL;

+

+ mate_rr_config_free (priv->configuration);

+ priv->configuration = NULL;

+}

+

+#define OUTPUT_TITLE_ITEM_BORDER 2

+#define OUTPUT_TITLE_ITEM_PADDING 4

+

+/* This is an expose-event hander for the title label for each MateRROutput.

+ * We want each title to have a colored background, so we paint that background, then

+ * return FALSE to let GtkLabel expose itself (i.e. paint the label's text), and then

+ * we have a signal_connect_after handler as well. See the comments below

+ * to see why that "after" handler is needed.

+ */

+static gboolean

+output_title_label_expose_event_cb (GtkWidget *widget, GdkEventExpose *event, gpointer data)

+{

+ GsdXrandrManager *manager = GSD_XRANDR_MANAGER (data);

+ struct GsdXrandrManagerPrivate *priv = manager->priv;

+ MateOutputInfo *output;

+ GdkColor color;

+ cairo_t *cr;

+ GtkAllocation allocation;

+

+ g_assert (GTK_IS_LABEL (widget));

+

+ output = g_object_get_data (G_OBJECT (widget), "output");

+ g_assert (output != NULL);

+

+ g_assert (priv->labeler != NULL);

+

+ /* Draw a black rectangular border, filled with the color that corresponds to this output */

+

+ mate_rr_labeler_get_color_for_output (priv->labeler, output, &color);

+

+ cr = gdk_cairo_create (gtk_widget_get_window (widget));

+

+ cairo_set_source_rgb (cr, 0, 0, 0);

+ cairo_set_line_width (cr, OUTPUT_TITLE_ITEM_BORDER);

+ gtk_widget_get_allocation (widget, &allocation);

+ cairo_rectangle (cr,

+ allocation.x + OUTPUT_TITLE_ITEM_BORDER / 2.0,

+ allocation.y + OUTPUT_TITLE_ITEM_BORDER / 2.0,

+ allocation.width - OUTPUT_TITLE_ITEM_BORDER,

+ allocation.height - OUTPUT_TITLE_ITEM_BORDER);

+ cairo_stroke (cr);

+

+ gdk_cairo_set_source_color (cr, &color);

+ cairo_rectangle (cr,

+ allocation.x + OUTPUT_TITLE_ITEM_BORDER,

+ allocation.y + OUTPUT_TITLE_ITEM_BORDER,

+ allocation.width - 2 * OUTPUT_TITLE_ITEM_BORDER,

+ allocation.height - 2 * OUTPUT_TITLE_ITEM_BORDER);

+

+ cairo_fill (cr);

+

+ /* We want the label to always show up as if it were sensitive

+ * ("style->fg[GTK_STATE_NORMAL]"), even though the label is insensitive

+ * due to being inside an insensitive menu item. So, here we have a

+ * HACK in which we frob the label's state directly. GtkLabel's expose

+ * handler will be run after this function, so it will think that the

+ * label is in GTK_STATE_NORMAL. We reset the label's state back to

+ * insensitive in output_title_label_after_expose_event_cb().

+ *

+ * Yay for fucking with GTK+'s internals.

+ */

+

+ gtk_widget_set_state (widget, GTK_STATE_NORMAL);

+

+ return FALSE;

+}

+

+/* See the comment in output_title_event_box_expose_event_cb() about this funny label widget */

+static gboolean

+output_title_label_after_expose_event_cb (GtkWidget *widget, GdkEventExpose *event, gpointer data)

+{

+ g_assert (GTK_IS_LABEL (widget));

+ gtk_widget_set_state (widget, GTK_STATE_INSENSITIVE);

+

+ return FALSE;

+}

+

+static void

+title_item_size_allocate_cb (GtkWidget *widget, GtkAllocation *allocation, gpointer data)

+{

+ /* When GtkMenu does size_request on its items, it asks them for their "toggle size",

+ * which will be non-zero when there are check/radio items. GtkMenu remembers

+ * the largest of those sizes. During the size_allocate pass, GtkMenu calls

+ * gtk_menu_item_toggle_size_allocate() with that value, to tell the menu item

+ * that it should later paint its child a bit to the right of its edge.

+ *

+ * However, we want the "title" menu items for each RANDR output to span the *whole*

+ * allocation of the menu item, not just the "allocation minus toggle" area.

+ *

+ * So, we let the menu item size_allocate itself as usual, but this

+ * callback gets run afterward. Here we hack a toggle size of 0 into

+ * the menu item, and size_allocate it by hand *again*. We also need to

+ * avoid recursing into this function.

+ */

+

+ g_assert (GTK_IS_MENU_ITEM (widget));

+

+ gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (widget), 0);

+

+ g_signal_handlers_block_by_func (widget, title_item_size_allocate_cb, NULL);

+

+ /* Sigh. There is no way to turn on GTK_ALLOC_NEEDED outside of GTK+

+ * itself; also, since calling size_allocate on a widget with the same

+ * allcation is a no-op, we need to allocate with a "different" size

+ * first.

+ */

+

+ allocation->width++;

+ gtk_widget_size_allocate (widget, allocation);

+

+ allocation->width--;

+ gtk_widget_size_allocate (widget, allocation);

+

+ g_signal_handlers_unblock_by_func (widget, title_item_size_allocate_cb, NULL);

+}

+

+static GtkWidget *

+make_menu_item_for_output_title (GsdXrandrManager *manager, MateOutputInfo *output)

+{

+ GtkWidget *item;

+ GtkWidget *label;

+ char *str;

+ GdkColor black = { 0, 0, 0, 0 };

+

+ item = gtk_menu_item_new ();

+

+ g_signal_connect (item, "size-allocate",

+ G_CALLBACK (title_item_size_allocate_cb), NULL);

+

+ str = g_markup_printf_escaped ("<b>%s</b>", output->display_name);

+ label = gtk_label_new (NULL);

+ gtk_label_set_markup (GTK_LABEL (label), str);

+ g_free (str);

+

+ /* Make the label explicitly black. We don't want it to follow the

+ * theme's colors, since the label is always shown against a light

+ * pastel background. See bgo#556050

+ */

+ gtk_widget_modify_fg (label, gtk_widget_get_state (label), &black);

+

+ /* Add padding around the label to fit the box that we'll draw for color-coding */

+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);

+ gtk_misc_set_padding (GTK_MISC (label),

+ OUTPUT_TITLE_ITEM_BORDER + OUTPUT_TITLE_ITEM_PADDING,

+ OUTPUT_TITLE_ITEM_BORDER + OUTPUT_TITLE_ITEM_PADDING);

+

+ gtk_container_add (GTK_CONTAINER (item), label);

+

+ /* We want to paint a colored box as the background of the label, so we connect

+ * to its expose-event signal. See the comment in *** to see why need to connect

+ * to the label both 'before' and 'after'.

+ */

+ g_signal_connect (label, "expose-event",

+ G_CALLBACK (output_title_label_expose_event_cb), manager);

+ g_signal_connect_after (label, "expose-event",

+ G_CALLBACK (output_title_label_after_expose_event_cb), manager);

+

+ g_object_set_data (G_OBJECT (label), "output", output);

+

+ gtk_widget_set_sensitive (item, FALSE); /* the title is not selectable */

+ gtk_widget_show_all (item);

+

+ return item;

+}

+

+static void

+get_allowed_rotations_for_output (MateRRConfig *config,

+ MateRRScreen *rr_screen,

+ MateOutputInfo *output,

+ int *out_num_rotations,

+ MateRRRotation *out_rotations)

+{

+ MateRRRotation current_rotation;

+ int i;

+

+ *out_num_rotations = 0;

+ *out_rotations = 0;

+

+ current_rotation = output->rotation;

+

+ /* Yay for brute force */

+

+ for (i = 0; i < G_N_ELEMENTS (possible_rotations); i++) {

+ MateRRRotation rotation_to_test;

+

+ rotation_to_test = possible_rotations[i];

+

+ output->rotation = rotation_to_test;

+

+ if (mate_rr_config_applicable (config, rr_screen, NULL)) { /* NULL-GError */

+ (*out_num_rotations)++;

+ (*out_rotations) |= rotation_to_test;

+ }

+ }

+

+ output->rotation = current_rotation;

+

+ if (*out_num_rotations == 0 || *out_rotations == 0) {

+ g_warning ("Huh, output %p says it doesn't support any rotations, and yet it has a current rotation?", output);

+ *out_num_rotations = 1;

+ *out_rotations = output->rotation;

+ }

+}

+

+static void

+add_unsupported_rotation_item (GsdXrandrManager *manager)

+{

+ struct GsdXrandrManagerPrivate *priv = manager->priv;

+ GtkWidget *item;

+ GtkWidget *label;

+ gchar *markup;

+

+ item = gtk_menu_item_new ();

+

+ label = gtk_label_new (NULL);

+ markup = g_strdup_printf ("<i>%s</i>", _("Rotation not supported"));

+ gtk_label_set_markup (GTK_LABEL (label), markup);

+ g_free (markup);

+ gtk_container_add (GTK_CONTAINER (item), label);

+

+ gtk_widget_show_all (item);

+ gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), item);

+}

+

+static void

+ensure_current_configuration_is_saved (void)

+{

+ MateRRScreen *rr_screen;

+ MateRRConfig *rr_config;

+

+ /* Normally, mate_rr_config_save() creates a backup file based on the

+ * old monitors.xml. However, if *that* file didn't exist, there is

+ * nothing from which to create a backup. So, here we'll save the

+ * current/unchanged configuration and then let our caller call

+ * mate_rr_config_save() again with the new/changed configuration, so

+ * that there *will* be a backup file in the end.

+ */

+

+ rr_screen = mate_rr_screen_new (gdk_screen_get_default (), NULL, NULL, NULL); /* NULL-GError */

+ if (!rr_screen)

+ return;

+

+ rr_config = mate_rr_config_new_current (rr_screen);

+ mate_rr_config_save (rr_config, NULL); /* NULL-GError */

+

+ mate_rr_config_free (rr_config);

+ mate_rr_screen_destroy (rr_screen);

+}

+

+static void

+output_rotation_item_activate_cb (GtkCheckMenuItem *item, gpointer data)

+{

+ GsdXrandrManager *manager = GSD_XRANDR_MANAGER (data);

+ struct GsdXrandrManagerPrivate *priv = manager->priv;

+ MateOutputInfo *output;

+ MateRRRotation rotation;

+ GError *error;

+

+ /* Not interested in deselected items */

+ if (!gtk_check_menu_item_get_active (item))

+ return;

+

+ ensure_current_configuration_is_saved ();

+

+ output = g_object_get_data (G_OBJECT (item), "output");

+ rotation = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (item), "rotation"));

+

+ output->rotation = rotation;

+

+ error = NULL;

+ if (!mate_rr_config_save (priv->configuration, &error)) {

+ error_message (manager, _("Could not save monitor configuration"), error, NULL);

+ if (error)

+ g_error_free (error);

+

+ return;

+ }

+

+ try_to_apply_intended_configuration (manager, NULL, gtk_get_current_event_time (), NULL); /* NULL-GError */

+}

+

+static void

+add_items_for_rotations (GsdXrandrManager *manager, MateOutputInfo *output, MateRRRotation allowed_rotations)

+{

+ typedef struct {

+ MateRRRotation rotation;

+ const char * name;

+ } RotationInfo;

+ static const RotationInfo rotations[] = {

+ { MATE_RR_ROTATION_0, N_("Normal") },

+ { MATE_RR_ROTATION_90, N_("Left") },

+ { MATE_RR_ROTATION_270, N_("Right") },

+ { MATE_RR_ROTATION_180, N_("Upside Down") },

+ /* We don't allow REFLECT_X or REFLECT_Y for now, as mate-display-properties doesn't allow them, either */

+ };

+

+ struct GsdXrandrManagerPrivate *priv = manager->priv;

+ int i;

+ GSList *group;

+ GtkWidget *active_item;

+ gulong active_item_activate_id;

+

+ group = NULL;

+ active_item = NULL;

+ active_item_activate_id = 0;

+

+ for (i = 0; i < G_N_ELEMENTS (rotations); i++) {

+ MateRRRotation rot;

+ GtkWidget *item;

+ gulong activate_id;

+

+ rot = rotations[i].rotation;

+

+ if ((allowed_rotations & rot) == 0) {

+ /* don't display items for rotations which are

+ * unavailable. Their availability is not under the

+ * user's control, anyway.

+ */

+ continue;

+ }

+

+ item = gtk_radio_menu_item_new_with_label (group, _(rotations[i].name));

+ gtk_widget_show_all (item);

+ gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), item);

+

+ g_object_set_data (G_OBJECT (item), "output", output);

+ g_object_set_data (G_OBJECT (item), "rotation", GINT_TO_POINTER (rot));

+

+ activate_id = g_signal_connect (item, "activate",

+ G_CALLBACK (output_rotation_item_activate_cb), manager);

+

+ group = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (item));

+

+ if (rot == output->rotation) {

+ active_item = item;

+ active_item_activate_id = activate_id;

+ }

+ }

+

+ if (active_item) {

+ /* Block the signal temporarily so our callback won't be called;

+ * we are just setting up the UI.

+ */

+ g_signal_handler_block (active_item, active_item_activate_id);

+

+ gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (active_item), TRUE);

+

+ g_signal_handler_unblock (active_item, active_item_activate_id);

+ }

+

+}

+

+static void

+add_rotation_items_for_output (GsdXrandrManager *manager, MateOutputInfo *output)

+{

+ struct GsdXrandrManagerPrivate *priv = manager->priv;

+ int num_rotations;

+ MateRRRotation rotations;

+

+ get_allowed_rotations_for_output (priv->configuration, priv->rw_screen, output, &num_rotations, &rotations);

+

+ if (num_rotations == 1)

+ add_unsupported_rotation_item (manager);

+ else

+ add_items_for_rotations (manager, output, rotations);

+}

+

+static void

+add_menu_items_for_output (GsdXrandrManager *manager, MateOutputInfo *output)

+{

+ struct GsdXrandrManagerPrivate *priv = manager->priv;

+ GtkWidget *item;

+

+ item = make_menu_item_for_output_title (manager, output);

+ gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), item);

+

+ add_rotation_items_for_output (manager, output);

+}

+

+static void

+add_menu_items_for_outputs (GsdXrandrManager *manager)

+{

+ struct GsdXrandrManagerPrivate *priv = manager->priv;

+ int i;

+

+ for (i = 0; priv->configuration->outputs[i] != NULL; i++) {

+ if (priv->configuration->outputs[i]->connected)

+ add_menu_items_for_output (manager, priv->configuration->outputs[i]);

+ }

+}

+

+static void

+status_icon_popup_menu (GsdXrandrManager *manager, guint button, guint32 timestamp)

+{

+ struct GsdXrandrManagerPrivate *priv = manager->priv;

+ GtkWidget *item;

+

+ g_assert (priv->configuration == NULL);

+ priv->configuration = mate_rr_config_new_current (priv->rw_screen);

+

+ g_assert (priv->labeler == NULL);

+ priv->labeler = mate_rr_labeler_new (priv->configuration);

+

+ g_assert (priv->popup_menu == NULL);

+ priv->popup_menu = gtk_menu_new ();

+

+ add_menu_items_for_outputs (manager);

+

+ item = gtk_separator_menu_item_new ();

+ gtk_widget_show (item);

+ gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), item);

+

+ item = gtk_menu_item_new_with_mnemonic (_("_Configure Display Settings…"));

+ g_signal_connect (item, "activate",

+ G_CALLBACK (popup_menu_configure_display_cb), manager);

+ gtk_widget_show (item);

+ gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), item);

+

+ g_signal_connect (priv->popup_menu, "selection-done",

+ G_CALLBACK (status_icon_popup_menu_selection_done_cb), manager);

+

+ gtk_menu_popup (GTK_MENU (priv->popup_menu), NULL, NULL,

+ gtk_status_icon_position_menu,

+ priv->status_icon, button, timestamp);

+}

+

+static void

+status_icon_activate_cb (GtkStatusIcon *status_icon, gpointer data)

+{

+ GsdXrandrManager *manager = GSD_XRANDR_MANAGER (data);

+

+ /* Suck; we don't get a proper button/timestamp */

+ status_icon_popup_menu (manager, 0, gtk_get_current_event_time ());

+}

+

+static void

+status_icon_popup_menu_cb (GtkStatusIcon *status_icon, guint button, guint32 timestamp, gpointer data)

+{

+ GsdXrandrManager *manager = GSD_XRANDR_MANAGER (data);

+

+ status_icon_popup_menu (manager, button, timestamp);

+}

+

+static void

+status_icon_start (GsdXrandrManager *manager)

+{

+ struct GsdXrandrManagerPrivate *priv = manager->priv;

+

+ /* Ideally, we should detect if we are on a tablet and only display

+ * the icon in that case.

+ */

+ if (!priv->status_icon) {

+ priv->status_icon = gtk_status_icon_new_from_icon_name (GSD_XRANDR_ICON_NAME);

+ gtk_status_icon_set_tooltip_text (priv->status_icon, _("Configure display settings"));

+

+ g_signal_connect (priv->status_icon, "activate",

+ G_CALLBACK (status_icon_activate_cb), manager);

+ g_signal_connect (priv->status_icon, "popup-menu",

+ G_CALLBACK (status_icon_popup_menu_cb), manager);

+ }

+}

+

+static void

+status_icon_stop (GsdXrandrManager *manager)

+{

+ struct GsdXrandrManagerPrivate *priv = manager->priv;

+

+ if (priv->status_icon) {

+ g_signal_handlers_disconnect_by_func (

+ priv->status_icon, G_CALLBACK (status_icon_activate_cb), manager);

+ g_signal_handlers_disconnect_by_func (

+ priv->status_icon, G_CALLBACK (status_icon_popup_menu_cb), manager);

+

+ /* hide the icon before unreffing it; otherwise we will leak

+ whitespace in the notification area due to a bug in there */

+ gtk_status_icon_set_visible (priv->status_icon, FALSE);

+ g_object_unref (priv->status_icon);

+ priv->status_icon = NULL;

+ }

+}

+

+static void

+start_or_stop_icon (GsdXrandrManager *manager)

+{

+ if (mateconf_client_get_bool (manager->priv->client, CONF_KEY_SHOW_NOTIFICATION_ICON, NULL)) {

+ status_icon_start (manager);

+ }

+ else {

+ status_icon_stop (manager);

+ }

+}

+

+static void

+on_config_changed (MateConfClient *client,

+ guint cnxn_id,

+ MateConfEntry *entry,

+ GsdXrandrManager *manager)

+{

+ if (strcmp (entry->key, CONF_KEY_SHOW_NOTIFICATION_ICON) == 0)

+ start_or_stop_icon (manager);

+}

+

+static gboolean

+apply_intended_configuration (GsdXrandrManager *manager, const char *intended_filename, guint32 timestamp)

+{

+ GError *my_error;

+ gboolean result;

+

+ my_error = NULL;

+ result = apply_configuration_from_filename (manager, intended_filename, FALSE, timestamp, &my_error);

+ if (!result) {

+ if (my_error) {

+ if (!g_error_matches (my_error, G_FILE_ERROR, G_FILE_ERROR_NOENT))

+ error_message (manager, _("Could not apply the stored configuration for monitors"), my_error, NULL);

+

+ g_error_free (my_error);

+ }

+ }

+

+ return result;

+}

+

+static void

+apply_default_boot_configuration (GsdXrandrManager *mgr, guint32 timestamp)

+{

+ GsdXrandrManagerPrivate *priv = mgr->priv;

+ MateRRScreen *screen = priv->rw_screen;

+ MateRRConfig *config;

+ gboolean turn_on_external, turn_on_laptop;

+

+ turn_on_external =

+ mateconf_client_get_bool (mgr->priv->client, CONF_KEY_TURN_ON_EXTERNAL_MONITORS_AT_STARTUP, NULL);

+ turn_on_laptop =

+ mateconf_client_get_bool (mgr->priv->client, CONF_KEY_TURN_ON_LAPTOP_MONITOR_AT_STARTUP, NULL);

+

+ if (turn_on_external && turn_on_laptop)

+ config = make_clone_setup (screen);

+ else if (!turn_on_external && turn_on_laptop)

+ config = make_laptop_setup (screen);

+ else if (turn_on_external && !turn_on_laptop)

+ config = make_other_setup (screen);

+ else

+ config = make_laptop_setup (screen);

+

+ if (config) {

+ apply_configuration_and_display_error (mgr, config, timestamp);

+ mate_rr_config_free (config);

+ }

+}

+

+static gboolean

+apply_stored_configuration_at_startup (GsdXrandrManager *manager, guint32 timestamp)

+{

+ GError *my_error;

+ gboolean success;

+ char *backup_filename;

+ char *intended_filename;

+

+ backup_filename = mate_rr_config_get_backup_filename ();

+ intended_filename = mate_rr_config_get_intended_filename ();

+

+ /* 1. See if there was a "saved" configuration. If there is one, it means

+ * that the user had selected to change the display configuration, but the

+ * machine crashed. In that case, we'll apply *that* configuration and save it on top of the

+ * "intended" one.

+ */

+

+ my_error = NULL;

+

+ success = apply_configuration_from_filename (manager, backup_filename, FALSE, timestamp, &my_error);

+ if (success) {

+ /* The backup configuration existed, and could be applied

+ * successfully, so we must restore it on top of the

+ * failed/intended one.

+ */

+ restore_backup_configuration (manager, backup_filename, intended_filename, timestamp);

+ goto out;

+ }

+

+ if (!g_error_matches (my_error, G_FILE_ERROR, G_FILE_ERROR_NOENT)) {

+ /* Epic fail: there (probably) was a backup configuration, but

+ * we could not apply it. The only thing we can do is delete

+ * the backup configuration. Let's hope that the user doesn't

+ * get left with an unusable display...

+ */

+

+ unlink (backup_filename);

+ goto out;

+ }

+

+ /* 2. There was no backup configuration! This means we are

+ * good. Apply the intended configuration instead.

+ */

+

+ success = apply_intended_configuration (manager, intended_filename, timestamp);

+

+out:

+

+ if (my_error)

+ g_error_free (my_error);

+

+ g_free (backup_filename);

+ g_free (intended_filename);

+

+ return success;

+}

+

+static gboolean

+apply_default_configuration_from_file (GsdXrandrManager *manager, guint32 timestamp)

+{

+ GsdXrandrManagerPrivate *priv = manager->priv;

+ char *default_config_filename;

+ gboolean result;

+

+ default_config_filename = mateconf_client_get_string (priv->client, CONF_KEY_DEFAULT_CONFIGURATION_FILE, NULL);

+ if (!default_config_filename)

+ return FALSE;

+

+ result = apply_configuration_from_filename (manager, default_config_filename, TRUE, timestamp, NULL);

+

+ g_free (default_config_filename);

+ return result;

+}

+

+gboolean

+gsd_xrandr_manager_start (GsdXrandrManager *manager,

+ GError **error)

+{

+ g_debug ("Starting xrandr manager");

+ mate_settings_profile_start (NULL);

+

+ log_open ();

+ log_msg ("------------------------------------------------------------\nSTARTING XRANDR PLUGIN\n");

+

+ manager->priv->rw_screen = mate_rr_screen_new (

+ gdk_screen_get_default (), on_randr_event, manager, error);

+

+ if (manager->priv->rw_screen == NULL) {

+ log_msg ("Could not initialize the RANDR plugin%s%s\n",

+ (error && *error) ? ": " : "",

+ (error && *error) ? (*error)->message : "");

+ log_close ();

+ return FALSE;

+ }

+

+ log_msg ("State of screen at startup:\n");

+ log_screen (manager->priv->rw_screen);

+

+ manager->priv->running = TRUE;

+ manager->priv->client = mateconf_client_get_default ();

+

+ g_assert (manager->priv->notify_id == 0);

+

+ mateconf_client_add_dir (manager->priv->client, CONF_DIR,

+ MATECONF_CLIENT_PRELOAD_ONELEVEL,

+ NULL);

+

+ manager->priv->notify_id =

+ mateconf_client_notify_add (

+ manager->priv->client, CONF_DIR,

+ (MateConfClientNotifyFunc)on_config_changed,

+ manager, NULL, NULL);

+

+ if (manager->priv->switch_video_mode_keycode) {

+ gdk_error_trap_push ();

+

+ XGrabKey (gdk_x11_get_default_xdisplay(),

+ manager->priv->switch_video_mode_keycode, AnyModifier,

+ gdk_x11_get_default_root_xwindow(),

+ True, GrabModeAsync, GrabModeAsync);

+

+ gdk_flush ();

+ gdk_error_trap_pop ();

+ }

+

+ if (manager->priv->rotate_windows_keycode) {

+ gdk_error_trap_push ();

+

+ XGrabKey (gdk_x11_get_default_xdisplay(),

+ manager->priv->rotate_windows_keycode, AnyModifier,

+ gdk_x11_get_default_root_xwindow(),

+ True, GrabModeAsync, GrabModeAsync);

+

+ gdk_flush ();

+ gdk_error_trap_pop ();

+ }

+

+ show_timestamps_dialog (manager, "Startup");

+ if (!apply_stored_configuration_at_startup (manager, GDK_CURRENT_TIME)) /* we don't have a real timestamp at startup anyway */

+ if (!apply_default_configuration_from_file (manager, GDK_CURRENT_TIME))

+ apply_default_boot_configuration (manager, GDK_CURRENT_TIME);

+

+ log_msg ("State of screen after initial configuration:\n");

+ log_screen (manager->priv->rw_screen);

+

+ gdk_window_add_filter (gdk_get_default_root_window(),

+ (GdkFilterFunc)event_filter,

+ manager);

+

+ start_or_stop_icon (manager);

+

+ log_close ();

+

+ mate_settings_profile_end (NULL);

+

+ return TRUE;

+}

+

+void

+gsd_xrandr_manager_stop (GsdXrandrManager *manager)

+{

+ g_debug ("Stopping xrandr manager");

+

+ manager->priv->running = FALSE;

+

+ if (manager->priv->switch_video_mode_keycode) {

+ gdk_error_trap_push ();

+

+ XUngrabKey (gdk_x11_get_default_xdisplay(),

+ manager->priv->switch_video_mode_keycode, AnyModifier,

+ gdk_x11_get_default_root_xwindow());

+

+ gdk_error_trap_pop ();

+ }

+

+ if (manager->priv->rotate_windows_keycode) {

+ gdk_error_trap_push ();

+

+ XUngrabKey (gdk_x11_get_default_xdisplay(),

+ manager->priv->rotate_windows_keycode, AnyModifier,

+ gdk_x11_get_default_root_xwindow());

+

+ gdk_error_trap_pop ();

+ }

+

+ gdk_window_remove_filter (gdk_get_default_root_window (),

+ (GdkFilterFunc) event_filter,

+ manager);

+

+ if (manager->priv->notify_id != 0) {

+ mateconf_client_remove_dir (manager->priv->client,

+ CONF_DIR, NULL);

+ mateconf_client_notify_remove (manager->priv->client,

+ manager->priv->notify_id);

+ manager->priv->notify_id = 0;

+ }

+

+ if (manager->priv->client != NULL) {

+ g_object_unref (manager->priv->client);

+ manager->priv->client = NULL;

+ }

+

+ if (manager->priv->rw_screen != NULL) {

+ mate_rr_screen_destroy (manager->priv->rw_screen);

+ manager->priv->rw_screen = NULL;

+ }

+

+ if (manager->priv->dbus_connection != NULL) {

+ dbus_g_connection_unref (manager->priv->dbus_connection);

+ manager->priv->dbus_connection = NULL;

+ }

+

+ status_icon_stop (manager);

+

+ log_open ();

+ log_msg ("STOPPING XRANDR PLUGIN\n------------------------------------------------------------\n");

+ log_close ();

+}

+

+static void

+gsd_xrandr_manager_set_property (GObject *object,

+ guint prop_id,

+ const GValue *value,

+ GParamSpec *pspec)

+{

+ GsdXrandrManager *self;

+

+ self = GSD_XRANDR_MANAGER (object);

+

+ switch (prop_id) {

+ default:

+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

+ break;

+ }

+}

+

+static void

+gsd_xrandr_manager_get_property (GObject *object,

+ guint prop_id,

+ GValue *value,

+ GParamSpec *pspec)

+{

+ GsdXrandrManager *self;

+

+ self = GSD_XRANDR_MANAGER (object);

+

+ switch (prop_id) {

+ default:

+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

+ break;

+ }

+}

+

+static GObject *

+gsd_xrandr_manager_constructor (GType type,

+ guint n_construct_properties,

+ GObjectConstructParam *construct_properties)

+{

+ GsdXrandrManager *xrandr_manager;

+ GsdXrandrManagerClass *klass;

+

+ klass = GSD_XRANDR_MANAGER_CLASS (g_type_class_peek (GSD_TYPE_XRANDR_MANAGER));

+

+ xrandr_manager = GSD_XRANDR_MANAGER (G_OBJECT_CLASS (gsd_xrandr_manager_parent_class)->constructor (type,

+ n_construct_properties,

+ construct_properties));

+

+ return G_OBJECT (xrandr_manager);

+}

+

+static void

+gsd_xrandr_manager_dispose (GObject *object)

+{

+ GsdXrandrManager *xrandr_manager;

+

+ xrandr_manager = GSD_XRANDR_MANAGER (object);

+

+ G_OBJECT_CLASS (gsd_xrandr_manager_parent_class)->dispose (object);

+}

+

+static void

+gsd_xrandr_manager_class_init (GsdXrandrManagerClass *klass)

+{

+ GObjectClass *object_class = G_OBJECT_CLASS (klass);

+

+ object_class->get_property = gsd_xrandr_manager_get_property;

+ object_class->set_property = gsd_xrandr_manager_set_property;

+ object_class->constructor = gsd_xrandr_manager_constructor;

+ object_class->dispose = gsd_xrandr_manager_dispose;

+ object_class->finalize = gsd_xrandr_manager_finalize;

+

+ dbus_g_object_type_install_info (GSD_TYPE_XRANDR_MANAGER, &dbus_glib_gsd_xrandr_manager_object_info);

+

+ g_type_class_add_private (klass, sizeof (GsdXrandrManagerPrivate));

+}

+

+static guint

+get_keycode_for_keysym_name (const char *name)

+{

+ Display *dpy;

+ guint keyval;

+

+ dpy = gdk_x11_get_default_xdisplay ();

+

+ keyval = gdk_keyval_from_name (name);

+ return XKeysymToKeycode (dpy, keyval);

+}

+

+static void

+gsd_xrandr_manager_init (GsdXrandrManager *manager)

+{

+ manager->priv = GSD_XRANDR_MANAGER_GET_PRIVATE (manager);

+

+ manager->priv->switch_video_mode_keycode = get_keycode_for_keysym_name (VIDEO_KEYSYM);

+ manager->priv->rotate_windows_keycode = get_keycode_for_keysym_name (ROTATE_KEYSYM);

+

+ manager->priv->current_fn_f7_config = -1;

+ manager->priv->fn_f7_configs = NULL;

+}

+

+static void

+gsd_xrandr_manager_finalize (GObject *object)

+{

+ GsdXrandrManager *xrandr_manager;

+

+ g_return_if_fail (object != NULL);

+ g_return_if_fail (GSD_IS_XRANDR_MANAGER (object));

+

+ xrandr_manager = GSD_XRANDR_MANAGER (object);

+

+ g_return_if_fail (xrandr_manager->priv != NULL);

+

+ G_OBJECT_CLASS (gsd_xrandr_manager_parent_class)->finalize (object);

+}

+

+static gboolean

+register_manager_dbus (GsdXrandrManager *manager)

+{

+ GError *error = NULL;

+

+ manager->priv->dbus_connection = dbus_g_bus_get (DBUS_BUS_SESSION, &error);

+ if (manager->priv->dbus_connection == NULL) {

+ if (error != NULL) {

+ g_warning ("Error getting session bus: %s", error->message);

+ g_error_free (error);

+ }

+ return FALSE;

+ }

+

+ /* Hmm, should we do this in gsd_xrandr_manager_start()? */

+ dbus_g_connection_register_g_object (manager->priv->dbus_connection, GSD_XRANDR_DBUS_PATH, G_OBJECT (manager));

+

+ return TRUE;

+}

+

+GsdXrandrManager *

+gsd_xrandr_manager_new (void)

+{

+ if (manager_object != NULL) {

+ g_object_ref (manager_object);

+ } else {

+ manager_object = g_object_new (GSD_TYPE_XRANDR_MANAGER, NULL);

+ g_object_add_weak_pointer (manager_object,

+ (gpointer *) &manager_object);

+

+ if (!register_manager_dbus (manager_object)) {

+ g_object_unref (manager_object);

+ return NULL;

+ }

+ }

+

+ return GSD_XRANDR_MANAGER (manager_object);

+}

+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-

+ *

+ * Copyright (C) 2007 William Jon McCann <[email protected]>

+ *

+ * 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_XRANDR_MANAGER_H

+#define __GSD_XRANDR_MANAGER_H

+

+#include <glib-object.h>

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+

+#define GSD_TYPE_XRANDR_MANAGER (gsd_xrandr_manager_get_type ())

+#define GSD_XRANDR_MANAGER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GSD_TYPE_XRANDR_MANAGER, GsdXrandrManager))

+#define GSD_XRANDR_MANAGER_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GSD_TYPE_XRANDR_MANAGER, GsdXrandrManagerClass))

+#define GSD_IS_XRANDR_MANAGER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GSD_TYPE_XRANDR_MANAGER))

+#define GSD_IS_XRANDR_MANAGER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GSD_TYPE_XRANDR_MANAGER))

+#define GSD_XRANDR_MANAGER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GSD_TYPE_XRANDR_MANAGER, GsdXrandrManagerClass))

+

+typedef struct GsdXrandrManagerPrivate GsdXrandrManagerPrivate;

+

+typedef struct

+{

+ GObject parent;

+ GsdXrandrManagerPrivate *priv;

+} GsdXrandrManager;

+

+typedef struct

+{

+ GObjectClass parent_class;

+} GsdXrandrManagerClass;

+

+GType gsd_xrandr_manager_get_type (void);

+

+GsdXrandrManager * gsd_xrandr_manager_new (void);

+gboolean gsd_xrandr_manager_start (GsdXrandrManager *manager,

+ GError **error);

+void gsd_xrandr_manager_stop (GsdXrandrManager *manager);

+

+#ifdef __cplusplus

+}

+#endif

+

+#endif /* __GSD_XRANDR_MANAGER_H */

+<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">

+<node>

+ <interface name="org.mate.SettingsDaemon.XRANDR">

+ <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="gsd_xrandr_manager"/>

+ <method name="ApplyConfiguration">

+ <!-- This method is implemented, but deprecated in favor of the

+ same method in the XRANDR-2 interface defined below. -->

+ </method>

+ </interface>

+

+ <interface name="org.mate.SettingsDaemon.XRANDR_2">

+ <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="gsd_xrandr_manager_2"/>

+ <method name="ApplyConfiguration">

+ <!-- transient-parent window for the confirmation dialog; use 0

+ for no parent -->

+ <arg name="parent_window_id" type="x" direction="in"/>

+

+ <!-- Timestamp used to present the confirmation dialog and (in

+ the future) for the RANDR calls themselves -->

+ <arg name="timestamp" type="x" direction="in"/>

+ </method>

+ </interface>

+</node>

+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-

+ *

+ * Copyright (C) 2007 William Jon McCann <[email protected]>

+ *

+ * 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 "mate-settings-plugin.h"

+#include "gsd-xrandr-plugin.h"

+#include "gsd-xrandr-manager.h"

+

+struct GsdXrandrPluginPrivate {

+ GsdXrandrManager *manager;

+};

+

+#define GSD_XRANDR_PLUGIN_GET_PRIVATE(object) (G_TYPE_INSTANCE_GET_PRIVATE ((object), GSD_TYPE_XRANDR_PLUGIN, GsdXrandrPluginPrivate))

+

+MATE_SETTINGS_PLUGIN_REGISTER (GsdXrandrPlugin, gsd_xrandr_plugin)

+

+static void

+gsd_xrandr_plugin_init (GsdXrandrPlugin *plugin)

+{

+ plugin->priv = GSD_XRANDR_PLUGIN_GET_PRIVATE (plugin);

+

+ g_debug ("GsdXrandrPlugin initializing");

+

+ plugin->priv->manager = gsd_xrandr_manager_new ();

+}

+

+static void

+gsd_xrandr_plugin_finalize (GObject *object)

+{

+ GsdXrandrPlugin *plugin;

+

+ g_return_if_fail (object != NULL);

+ g_return_if_fail (GSD_IS_XRANDR_PLUGIN (object));

+

+ g_debug ("GsdXrandrPlugin finalizing");

+

+ plugin = GSD_XRANDR_PLUGIN (object);

+

+ g_return_if_fail (plugin->priv != NULL);

+

+ if (plugin->priv->manager != NULL) {

+ g_object_unref (plugin->priv->manager);

+ }

+

+ G_OBJECT_CLASS (gsd_xrandr_plugin_parent_class)->finalize (object);

+}

+

+static void

+impl_activate (MateSettingsPlugin *plugin)

+{

+ gboolean res;

+ GError *error;

+

+ g_debug ("Activating xrandr plugin");

+

+ error = NULL;

+ res = gsd_xrandr_manager_start (GSD_XRANDR_PLUGIN (plugin)->priv->manager, &error);

+ if (! res) {

+ g_warning ("Unable to start xrandr manager: %s", error->message);

+ g_error_free (error);

+ }

+}

+

+static void

+impl_deactivate (MateSettingsPlugin *plugin)

+{

+ g_debug ("Deactivating xrandr plugin");

+ gsd_xrandr_manager_stop (GSD_XRANDR_PLUGIN (plugin)->priv->manager);

+}

+

+static void

+gsd_xrandr_plugin_class_init (GsdXrandrPluginClass *klass)

+{

+ GObjectClass *object_class = G_OBJECT_CLASS (klass);

+ MateSettingsPluginClass *plugin_class = MATE_SETTINGS_PLUGIN_CLASS (klass);

+

+ object_class->finalize = gsd_xrandr_plugin_finalize;

+

+ plugin_class->activate = impl_activate;

+ plugin_class->deactivate = impl_deactivate;

+

+ g_type_class_add_private (klass, sizeof (GsdXrandrPluginPrivate));

+}

+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-

+ *

+ * Copyright (C) 2007 William Jon McCann <[email protected]>

+ *

+ * 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_XRANDR_PLUGIN_H__

+#define __GSD_XRANDR_PLUGIN_H__

+

+#include <glib.h>

+#include <glib-object.h>

+#include <gmodule.h>

+

+#include "mate-settings-plugin.h"

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+

+#define GSD_TYPE_XRANDR_PLUGIN (gsd_xrandr_plugin_get_type ())

+#define GSD_XRANDR_PLUGIN(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GSD_TYPE_XRANDR_PLUGIN, GsdXrandrPlugin))

+#define GSD_XRANDR_PLUGIN_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GSD_TYPE_XRANDR_PLUGIN, GsdXrandrPluginClass))

+#define GSD_IS_XRANDR_PLUGIN(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GSD_TYPE_XRANDR_PLUGIN))

+#define GSD_IS_XRANDR_PLUGIN_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GSD_TYPE_XRANDR_PLUGIN))

+#define GSD_XRANDR_PLUGIN_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GSD_TYPE_XRANDR_PLUGIN, GsdXrandrPluginClass))

+

+typedef struct GsdXrandrPluginPrivate GsdXrandrPluginPrivate;

+

+typedef struct

+{

+ MateSettingsPlugin parent;

+ GsdXrandrPluginPrivate *priv;

+} GsdXrandrPlugin;

+

+typedef struct

+{

+ MateSettingsPluginClass parent_class;

+} GsdXrandrPluginClass;

+

+GType gsd_xrandr_plugin_get_type (void) G_GNUC_CONST;

+

+/* All the plugins must implement this function */

+G_MODULE_EXPORT GType register_mate_settings_plugin (GTypeModule *module);

+

+#ifdef __cplusplus

+}

+#endif

+

+#endif /* __GSD_XRANDR_PLUGIN_H__ */

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+ <dc:title>Change Resolution</dc:title>

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+ <cc:Agent>

+ <dc:title>Jakub Steiner</dc:title>

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+Luca Ferretti &lt;[email protected]&gt;</dc:title>

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