/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- * * Copyright (C) 2005-2009 Richard Hughes * Copyright (C) 2005 William Jon McCann * Copyright (C) 2012-2021 MATE Developers * * Licensed under the GNU General Public License Version 2 * * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include #include #include #ifdef HAVE_UNISTD_H #include #endif /* HAVE_UNISTD_H */ #include #include #include #include "gpm-button.h" #include "gpm-backlight.h" #include "gpm-brightness.h" #include "gpm-control.h" #include "gpm-common.h" #include "gsd-media-keys-window.h" #include "gpm-dpms.h" #include "gpm-idle.h" #include "gpm-marshal.h" #include "gpm-icon-names.h" #include "egg-console-kit.h" struct GpmBacklightPrivate { UpClient *client; GpmBrightness *brightness; GpmButton *button; GSettings *settings; GtkWidget *popup; GpmControl *control; GpmDpms *dpms; GpmIdle *idle; EggConsoleKit *console; gboolean can_dim; gboolean system_is_idle; GTimer *idle_timer; guint idle_dim_timeout; guint master_percentage; }; enum { BRIGHTNESS_CHANGED, LAST_SIGNAL }; static guint signals [LAST_SIGNAL] = { 0 }; G_DEFINE_TYPE_WITH_PRIVATE (GpmBacklight, gpm_backlight, G_TYPE_OBJECT) /** * gpm_backlight_error_quark: * Return value: Our personal error quark. **/ GQuark gpm_backlight_error_quark (void) { static GQuark quark = 0; if (!quark) quark = g_quark_from_static_string ("gpm_backlight_error"); return quark; } /** * gpm_backlight_get_brightness: **/ gboolean gpm_backlight_get_brightness (GpmBacklight *backlight, guint *brightness, GError **error) { guint level; gboolean ret; g_return_val_if_fail (backlight != NULL, FALSE); g_return_val_if_fail (GPM_IS_BACKLIGHT (backlight), FALSE); g_return_val_if_fail (brightness != NULL, FALSE); /* check if we have the hw */ if (backlight->priv->can_dim == FALSE) { g_set_error_literal (error, gpm_backlight_error_quark (), GPM_BACKLIGHT_ERROR_HARDWARE_NOT_PRESENT, "Dim capable hardware not present"); return FALSE; } /* gets the current brightness */ ret = gpm_brightness_get (backlight->priv->brightness, &level); if (ret) { *brightness = level; } else { g_set_error_literal (error, gpm_backlight_error_quark (), GPM_BACKLIGHT_ERROR_DATA_NOT_AVAILABLE, "Data not available"); } return ret; } /** * gpm_backlight_set_brightness: **/ gboolean gpm_backlight_set_brightness (GpmBacklight *backlight, guint percentage, GError **error) { gboolean ret; gboolean hw_changed; g_return_val_if_fail (backlight != NULL, FALSE); g_return_val_if_fail (GPM_IS_BACKLIGHT (backlight), FALSE); /* check if we have the hw */ if (backlight->priv->can_dim == FALSE) { g_set_error_literal (error, gpm_backlight_error_quark (), GPM_BACKLIGHT_ERROR_HARDWARE_NOT_PRESENT, "Dim capable hardware not present"); return FALSE; } /* just set the master percentage for now, don't try to be clever */ backlight->priv->master_percentage = percentage; /* sets the current policy brightness */ ret = gpm_brightness_set (backlight->priv->brightness, percentage, &hw_changed); if (!ret) { g_set_error_literal (error, gpm_backlight_error_quark (), GPM_BACKLIGHT_ERROR_GENERAL, "Cannot set policy brightness"); } /* we emit a signal for the brightness applet */ if (ret && hw_changed) { g_debug ("emitting brightness-changed : %u", percentage); g_signal_emit (backlight, signals [BRIGHTNESS_CHANGED], 0, percentage); } return ret; } /** * gpm_backlight_dialog_init: * * Initialises the popup, and makes sure that it matches the compositing of the screen. **/ static void gpm_backlight_dialog_init (GpmBacklight *backlight) { if (backlight->priv->popup != NULL && !msd_osd_window_is_valid (MSD_OSD_WINDOW (backlight->priv->popup))) { gtk_widget_destroy (backlight->priv->popup); backlight->priv->popup = NULL; } if (backlight->priv->popup == NULL) { backlight->priv->popup= msd_media_keys_window_new (); msd_media_keys_window_set_action_custom (MSD_MEDIA_KEYS_WINDOW (backlight->priv->popup), "gpm-brightness-lcd", TRUE); gtk_window_set_position (GTK_WINDOW (backlight->priv->popup), GTK_WIN_POS_NONE); } } /** * gpm_backlight_dialog_show: * * Show the brightness popup, and place it nicely on the screen. **/ static void gpm_backlight_dialog_show (GpmBacklight *backlight) { int orig_w; int orig_h; int screen_w; int screen_h; int x; int y; int pointer_x; int pointer_y; GtkRequisition win_req; GdkScreen *pointer_screen; GdkRectangle geometry; GdkMonitor *monitor; GdkDisplay *display; GdkSeat *seat; GdkDevice *device; /* * get the window size * if the window hasn't been mapped, it doesn't necessarily * know its true size, yet, so we need to jump through hoops */ gtk_window_get_default_size (GTK_WINDOW (backlight->priv->popup), &orig_w, &orig_h); gtk_widget_get_preferred_size (backlight->priv->popup, NULL, &win_req); if (win_req.width > orig_w) { orig_w = win_req.width; } if (win_req.height > orig_h) { orig_h = win_req.height; } pointer_screen = NULL; display = gtk_widget_get_display (backlight->priv->popup); seat = gdk_display_get_default_seat (display); device = gdk_seat_get_pointer (seat); gdk_device_get_position (device, &pointer_screen, &pointer_x, &pointer_y); monitor = gdk_display_get_monitor_at_point (gdk_screen_get_display (pointer_screen), pointer_x, pointer_y); gdk_monitor_get_geometry (monitor, &geometry); screen_w = geometry.width; screen_h = geometry.height; x = ((screen_w - orig_w) / 2) + geometry.x; y = geometry.y + (screen_h / 2) + (screen_h / 2 - orig_h) / 2; gtk_window_move (GTK_WINDOW (backlight->priv->popup), x, y); gtk_widget_show (backlight->priv->popup); gdk_display_sync (gtk_widget_get_display (backlight->priv->popup)); } /** * gpm_backlight_brightness_evaluate_and_set: **/ static gboolean gpm_backlight_brightness_evaluate_and_set (GpmBacklight *backlight, gboolean interactive, gboolean use_initial) { gfloat brightness; gfloat scale; gboolean ret; gboolean on_battery; gboolean do_laptop_lcd; gboolean enable_action; gboolean battery_reduce; gboolean hw_changed; guint value; guint old_value; if (backlight->priv->can_dim == FALSE) { g_debug ("no dimming hardware"); return FALSE; } do_laptop_lcd = g_settings_get_boolean (backlight->priv->settings, GPM_SETTINGS_BACKLIGHT_ENABLE); if (do_laptop_lcd == FALSE) { g_warning ("policy is no dimming"); return FALSE; } /* get the last set brightness */ brightness = backlight->priv->master_percentage / 100.0f; g_debug ("1. main brightness %f", brightness); /* get battery status */ g_object_get (backlight->priv->client, "on-battery", &on_battery, NULL); /* reduce if on battery power if we should */ if (use_initial) { g_debug ("Setting initial brightness level"); battery_reduce = g_settings_get_boolean (backlight->priv->settings, GPM_SETTINGS_BACKLIGHT_BATTERY_REDUCE); if (on_battery && battery_reduce) { value = g_settings_get_int (backlight->priv->settings, GPM_SETTINGS_BRIGHTNESS_DIM_BATT); if (value > 100) { g_warning ("cannot use battery brightness value %u, correcting to 50", value); value = 50; } scale = (100 - value) / 100.0f; brightness *= scale; } else { scale = 1.0f; } g_debug ("2. battery scale %f, brightness %f", scale, brightness); } /* reduce if system is momentarily idle */ if (!on_battery) enable_action = g_settings_get_boolean (backlight->priv->settings, GPM_SETTINGS_IDLE_DIM_AC); else enable_action = g_settings_get_boolean (backlight->priv->settings, GPM_SETTINGS_IDLE_DIM_BATT); if (enable_action && backlight->priv->system_is_idle) { value = g_settings_get_int (backlight->priv->settings, GPM_SETTINGS_IDLE_BRIGHTNESS); if (value > 100) { g_warning ("cannot use idle brightness value %u, correcting to 50", value); value = 50; } scale = value / 100.0f; brightness *= scale; } else { scale = 1.0f; } g_debug ("3. idle scale %f, brightness %f", scale, brightness); /* convert to percentage */ value = (guint) ((brightness * 100.0f) + 0.5); /* only do stuff if the brightness is different */ gpm_brightness_get (backlight->priv->brightness, &old_value); if (old_value == value) { g_debug ("values are the same, no action"); return FALSE; } /* only show dialog if interactive */ if (interactive) { gpm_backlight_dialog_init (backlight); msd_media_keys_window_set_volume_level (MSD_MEDIA_KEYS_WINDOW (backlight->priv->popup), round (brightness)); gpm_backlight_dialog_show (backlight); } ret = gpm_brightness_set (backlight->priv->brightness, value, &hw_changed); /* we emit a signal for the brightness applet */ if (ret && hw_changed) { g_debug ("emitting brightness-changed : %u", value); g_signal_emit (backlight, signals [BRIGHTNESS_CHANGED], 0, value); } return TRUE; } /** * gpm_settings_key_changed_cb: * * We might have to do things when the keys change; do them here. **/ static void gpm_settings_key_changed_cb (GSettings *settings, const gchar *key, GpmBacklight *backlight) { gboolean on_battery; /* get battery status */ g_object_get (backlight->priv->client, "on-battery", &on_battery, NULL); if (g_strcmp0 (key, GPM_SETTINGS_BRIGHTNESS_AC) == 0) { backlight->priv->master_percentage = g_settings_get_double (settings, key); gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE); } else if (on_battery && g_strcmp0 (key, GPM_SETTINGS_BRIGHTNESS_DIM_BATT) == 0) { gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE); } else if (g_strcmp0 (key, GPM_SETTINGS_IDLE_DIM_AC) == 0 || g_strcmp0 (key, GPM_SETTINGS_BACKLIGHT_ENABLE) == 0 || g_strcmp0 (key, GPM_SETTINGS_SLEEP_DISPLAY_BATT) == 0 || g_strcmp0 (key, GPM_SETTINGS_BACKLIGHT_BATTERY_REDUCE) == 0 || g_strcmp0 (key, GPM_SETTINGS_IDLE_BRIGHTNESS) == 0) { gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE); } else if (g_strcmp0 (key, GPM_SETTINGS_IDLE_DIM_TIME) == 0) { backlight->priv->idle_dim_timeout = g_settings_get_int (settings, key); gpm_idle_set_timeout_dim (backlight->priv->idle, backlight->priv->idle_dim_timeout); } else { g_debug ("unknown key %s", key); } } /** * gpm_backlight_client_changed_cb: * @client: The up_client class instance * @backlight: This class instance * * Does the actions when the ac power source is inserted/removed. **/ static void gpm_backlight_client_changed_cb (UpClient *client, GParamSpec *pspec, GpmBacklight *backlight) { gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE); } /** * gpm_backlight_button_pressed_cb: * @power: The power class instance * @type: The button type, e.g. "power" * @state: The state, where TRUE is depressed or closed * @brightness: This class instance **/ static void gpm_backlight_button_pressed_cb (GpmButton *button, const gchar *type, GpmBacklight *backlight) { gboolean ret; GError *error = NULL; guint percentage; gboolean hw_changed; gboolean on_battery; g_debug ("Button press event type=%s", type); if (g_strcmp0 (type, GPM_BUTTON_BRIGHT_UP) == 0) { /* go up one step */ ret = gpm_brightness_up (backlight->priv->brightness, &hw_changed); /* show the new value */ if (ret) { gpm_brightness_get (backlight->priv->brightness, &percentage); gpm_backlight_dialog_init (backlight); msd_media_keys_window_set_volume_level (MSD_MEDIA_KEYS_WINDOW (backlight->priv->popup), percentage); gpm_backlight_dialog_show (backlight); /* save the new percentage */ backlight->priv->master_percentage = percentage; /* if using AC power supply, save the new brightness settings */ g_object_get (backlight->priv->client, "on-battery", &on_battery, NULL); if (!on_battery) { g_debug ("saving brightness for ac supply: %u", percentage); g_settings_set_double (backlight->priv->settings, GPM_SETTINGS_BRIGHTNESS_AC, percentage*1.0); } } /* we emit a signal for the brightness applet */ if (ret && hw_changed) { g_debug ("emitting brightness-changed : %u", percentage); g_signal_emit (backlight, signals [BRIGHTNESS_CHANGED], 0, percentage); } } else if (g_strcmp0 (type, GPM_BUTTON_BRIGHT_DOWN) == 0) { /* go up down step */ ret = gpm_brightness_down (backlight->priv->brightness, &hw_changed); /* show the new value */ if (ret) { gpm_brightness_get (backlight->priv->brightness, &percentage); gpm_backlight_dialog_init (backlight); msd_media_keys_window_set_volume_level (MSD_MEDIA_KEYS_WINDOW (backlight->priv->popup), percentage); gpm_backlight_dialog_show (backlight); /* save the new percentage */ backlight->priv->master_percentage = percentage; /* if using AC power supply, save the new brightness settings */ g_object_get (backlight->priv->client, "on-battery", &on_battery, NULL); if (!on_battery) { g_debug ("saving brightness for ac supply: %u", percentage); g_settings_set_double (backlight->priv->settings, GPM_SETTINGS_BRIGHTNESS_AC, percentage*1.0); } } /* we emit a signal for the brightness applet */ if (ret && hw_changed) { g_debug ("emitting brightness-changed : %u", percentage); g_signal_emit (backlight, signals [BRIGHTNESS_CHANGED], 0, percentage); } } else if (g_strcmp0 (type, GPM_BUTTON_LID_OPEN) == 0) { /* make sure we undim when we lift the lid */ gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE); /* ensure backlight is on */ ret = gpm_dpms_set_mode (backlight->priv->dpms, GPM_DPMS_MODE_ON, &error); if (!ret) { g_warning ("failed to turn on DPMS: %s", error->message); g_error_free (error); } } } /** * gpm_backlight_notify_system_idle_changed: **/ static gboolean gpm_backlight_notify_system_idle_changed (GpmBacklight *backlight, gboolean is_idle) { gdouble elapsed; /* no point continuing */ if (backlight->priv->system_is_idle == is_idle) { g_debug ("state not changed"); return FALSE; } /* get elapsed time and reset timer */ elapsed = g_timer_elapsed (backlight->priv->idle_timer, NULL); g_timer_reset (backlight->priv->idle_timer); if (is_idle == FALSE) { g_debug ("we have just been idle for %lfs", elapsed); /* The user immediatly undimmed the screen! * We should double the timeout to avoid this happening again */ if (elapsed < 10) { /* double the event time */ backlight->priv->idle_dim_timeout *= 2.0; g_debug ("increasing idle dim time to %us", backlight->priv->idle_dim_timeout); gpm_idle_set_timeout_dim (backlight->priv->idle, backlight->priv->idle_dim_timeout); } /* We reset the dimming after 2 minutes of idle, * as the user will have changed tasks */ if (elapsed > 2*60) { /* reset back to our default dimming */ backlight->priv->idle_dim_timeout = g_settings_get_int (backlight->priv->settings, GPM_SETTINGS_IDLE_DIM_TIME); g_debug ("resetting idle dim time to %us", backlight->priv->idle_dim_timeout); gpm_idle_set_timeout_dim (backlight->priv->idle, backlight->priv->idle_dim_timeout); } } else { g_debug ("we were active for %lfs", elapsed); } g_debug ("changing powersave idle status to %i", is_idle); backlight->priv->system_is_idle = is_idle; return TRUE; } /** * idle_changed_cb: * @idle: The idle class instance * @mode: The idle mode, e.g. GPM_IDLE_MODE_BLANK * @manager: This class instance * * This callback is called when mate-screensaver detects that the idle state * has changed. GPM_IDLE_MODE_BLANK is when the session has become inactive, * and GPM_IDLE_MODE_SLEEP is where the session has become inactive, AND the * session timeout has elapsed for the idle action. **/ static void idle_changed_cb (GpmIdle *idle, GpmIdleMode mode, GpmBacklight *backlight) { gboolean ret; GError *error = NULL; gboolean on_battery; GpmDpmsMode dpms_mode; /* don't dim or undim the screen when the lid is closed */ if (gpm_button_is_lid_closed (backlight->priv->button)) return; /* don't dim or undim the screen unless ConsoleKit/systemd say we are on the active console */ if (!LOGIND_RUNNING() && !egg_console_kit_is_active (backlight->priv->console)) { g_debug ("ignoring as not on active console"); return; } if (mode == GPM_IDLE_MODE_NORMAL) { /* sync lcd brightness */ gpm_backlight_notify_system_idle_changed (backlight, FALSE); gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE); /* ensure backlight is on */ ret = gpm_dpms_set_mode (backlight->priv->dpms, GPM_DPMS_MODE_ON, &error); if (!ret) { g_warning ("failed to turn on DPMS: %s", error->message); g_error_free (error); } } else if (mode == GPM_IDLE_MODE_DIM) { /* sync lcd brightness */ gpm_backlight_notify_system_idle_changed (backlight, TRUE); gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE); /* ensure backlight is on */ ret = gpm_dpms_set_mode (backlight->priv->dpms, GPM_DPMS_MODE_ON, &error); if (!ret) { g_warning ("failed to turn on DPMS: %s", error->message); g_error_free (error); } } else if (mode == GPM_IDLE_MODE_BLANK) { /* sync lcd brightness */ gpm_backlight_notify_system_idle_changed (backlight, TRUE); gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE); /* get the DPMS state we're supposed to use on the power state */ g_object_get (backlight->priv->client, "on-battery", &on_battery, NULL); if (!on_battery) dpms_mode = g_settings_get_enum (backlight->priv->settings, GPM_SETTINGS_DPMS_METHOD_AC); else dpms_mode = g_settings_get_enum (backlight->priv->settings, GPM_SETTINGS_DPMS_METHOD_BATT); /* check if method is valid */ if (dpms_mode == GPM_DPMS_MODE_UNKNOWN || dpms_mode == GPM_DPMS_MODE_ON) { g_warning ("BACKLIGHT method %u unknown. Using OFF.", dpms_mode); dpms_mode = GPM_DPMS_MODE_OFF; } /* turn backlight off */ ret = gpm_dpms_set_mode (backlight->priv->dpms, dpms_mode, &error); if (!ret) { g_warning ("failed to change DPMS: %s", error->message); g_error_free (error); } } } /** * brightness_changed_cb: * @brightness: The GpmBrightness class instance * @percentage: The new percentage brightness * @brightness: This class instance * * This callback is called when the brightness value changes. **/ static void brightness_changed_cb (GpmBrightness *brightness, guint percentage, GpmBacklight *backlight) { /* save the new percentage */ backlight->priv->master_percentage = percentage; /* we emit a signal for the brightness applet */ g_debug ("emitting brightness-changed : %u", percentage); g_signal_emit (backlight, signals [BRIGHTNESS_CHANGED], 0, percentage); } /** * control_resume_cb: * @control: The control class instance * @power: This power class instance * * We have to update the caches on resume **/ static void control_resume_cb (GpmControl *control, GpmControlAction action, GpmBacklight *backlight) { gboolean ret; GError *error = NULL; /* ensure backlight is on */ ret = gpm_dpms_set_mode (backlight->priv->dpms, GPM_DPMS_MODE_ON, &error); if (!ret) { g_warning ("failed to turn on DPMS: %s", error->message); g_error_free (error); } } /** * gpm_backlight_finalize: **/ static void gpm_backlight_finalize (GObject *object) { GpmBacklight *backlight; g_return_if_fail (object != NULL); g_return_if_fail (GPM_IS_BACKLIGHT (object)); backlight = GPM_BACKLIGHT (object); g_timer_destroy (backlight->priv->idle_timer); gtk_widget_destroy (backlight->priv->popup); g_object_unref (backlight->priv->dpms); g_object_unref (backlight->priv->control); g_object_unref (backlight->priv->settings); g_object_unref (backlight->priv->client); g_object_unref (backlight->priv->button); g_object_unref (backlight->priv->idle); g_object_unref (backlight->priv->brightness); g_object_unref (backlight->priv->console); g_return_if_fail (backlight->priv != NULL); G_OBJECT_CLASS (gpm_backlight_parent_class)->finalize (object); } /** * gpm_backlight_class_init: **/ static void gpm_backlight_class_init (GpmBacklightClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); object_class->finalize = gpm_backlight_finalize; signals [BRIGHTNESS_CHANGED] = g_signal_new ("brightness-changed", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GpmBacklightClass, brightness_changed), NULL, NULL, g_cclosure_marshal_VOID__UINT, G_TYPE_NONE, 1, G_TYPE_UINT); } /** * gpm_backlight_init: * @brightness: This brightness class instance * * initialises the brightness class. NOTE: We expect laptop_panel objects * to *NOT* be removed or added during the session. * We only control the first laptop_panel object if there are more than one. **/ static void gpm_backlight_init (GpmBacklight *backlight) { backlight->priv = gpm_backlight_get_instance_private (backlight); /* record our idle time */ backlight->priv->idle_timer = g_timer_new (); /* watch for manual brightness changes (for the popup widget) */ backlight->priv->brightness = gpm_brightness_new (); g_signal_connect (backlight->priv->brightness, "brightness-changed", G_CALLBACK (brightness_changed_cb), backlight); /* we use up_client for the ac-adapter-changed signal */ backlight->priv->client = up_client_new (); g_signal_connect (backlight->priv->client, "notify", G_CALLBACK (gpm_backlight_client_changed_cb), backlight); /* gets caps */ backlight->priv->can_dim = gpm_brightness_has_hw (backlight->priv->brightness); /* watch for dim value changes */ backlight->priv->settings = g_settings_new (GPM_SETTINGS_SCHEMA); g_signal_connect (backlight->priv->settings, "changed", G_CALLBACK (gpm_settings_key_changed_cb), backlight); /* set the main brightness, this is designed to be updated if the user changes the * brightness so we can undim to the 'correct' value */ backlight->priv->master_percentage = g_settings_get_double (backlight->priv->settings, GPM_SETTINGS_BRIGHTNESS_AC); /* watch for brightness up and down buttons and also check lid state */ backlight->priv->button = gpm_button_new (); g_signal_connect (backlight->priv->button, "button-pressed", G_CALLBACK (gpm_backlight_button_pressed_cb), backlight); /* watch for idle mode changes */ backlight->priv->idle = gpm_idle_new (); g_signal_connect (backlight->priv->idle, "idle-changed", G_CALLBACK (idle_changed_cb), backlight); /* assumption */ backlight->priv->system_is_idle = FALSE; backlight->priv->idle_dim_timeout = g_settings_get_int (backlight->priv->settings, GPM_SETTINGS_IDLE_DIM_TIME); gpm_idle_set_timeout_dim (backlight->priv->idle, backlight->priv->idle_dim_timeout); /* use a visual widget */ backlight->priv->popup = msd_media_keys_window_new (); msd_media_keys_window_set_action_custom (MSD_MEDIA_KEYS_WINDOW (backlight->priv->popup), "gpm-brightness-lcd", TRUE); gtk_window_set_position (GTK_WINDOW (backlight->priv->popup), GTK_WIN_POS_NONE); /* DPMS mode poll class */ backlight->priv->dpms = gpm_dpms_new (); /* we refresh DPMS on resume */ backlight->priv->control = gpm_control_new (); g_signal_connect (backlight->priv->control, "resume", G_CALLBACK (control_resume_cb), backlight); /* Don't do dimming on inactive console */ backlight->priv->console = egg_console_kit_new (); /* sync at startup */ gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE); } /** * gpm_backlight_new: * Return value: A new brightness class instance. **/ GpmBacklight * gpm_backlight_new (void) { GpmBacklight *backlight = g_object_new (GPM_TYPE_BACKLIGHT, NULL); return backlight; }