[Xfce4-commits] [xfce/xfce4-power-manager] 06/13: Add support for keyboard backlight control (Bug 10470)
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Tue Apr 8 18:43:00 CEST 2014
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eric pushed a commit to branch master
in repository xfce/xfce4-power-manager.
commit 1d33e3eb8b9fd684c3a0fb6eaaa44b9ca0d13604
Author: Sonal Santan <sonal.santan at gmail.com>
Date: Mon Jan 20 10:01:47 2014 +0300
Add support for keyboard backlight control (Bug 10470)
I have enhanced xfce4-power-manager to support backlit keyboard brightness
control through keyboard brightness keys. It uses
org.freedesktop.UPower.KbdBacklight interface for increasing or decreasing
the keyboard backlight brightness and binds with keys
XF86XK_KbdBrightnessUp and XF86XK_KbdBrightnessDown.
This feature is useful when the firmware does not handle the keyboard
brightness control automatically. For example MacBook Pro leaves it to the
OS to control the keyboard brightness through special keys. With this
change, I can light up the keyboard on MacBook Pro and control its
brightness through the special keys.
I have also tested this on Lenovo X1 Carbon where the keyboard brightness
is automatically handled by the firmware and this enhancement steps aside
without interfering.
---
src/Makefile.am | 2 +
src/xfpm-button.c | 8 +-
src/xfpm-enum-glib.h | 2 +
src/xfpm-enum.h | 16 +--
src/xfpm-kbd-backlight.c | 276 ++++++++++++++++++++++++++++++++++++++++++++++
src/xfpm-kbd-backlight.h | 55 +++++++++
src/xfpm-manager.c | 45 +++++---
7 files changed, 378 insertions(+), 26 deletions(-)
diff --git a/src/Makefile.am b/src/Makefile.am
index e6e8ed3..316a823 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -26,6 +26,8 @@ xfce4_power_manager_SOURCES = \
egg-idletime.h \
xfpm-backlight.c \
xfpm-backlight.h \
+ xfpm-kbd-backlight.c \
+ xfpm-kbd-backlight.h \
xfpm-dpms.c \
xfpm-dpms.h \
xfpm-button.c \
diff --git a/src/xfpm-button.c b/src/xfpm-button.c
index 70c07a1..accf76d 100644
--- a/src/xfpm-button.c
+++ b/src/xfpm-button.c
@@ -208,12 +208,18 @@ xfpm_button_setup (XfpmButton *button)
if ( xfpm_button_xevent_key (button, XF86XK_MonBrightnessUp, BUTTON_MON_BRIGHTNESS_UP) )
button->priv->mapped_buttons |= BRIGHTNESS_KEY_UP;
-
+
if (xfpm_button_xevent_key (button, XF86XK_MonBrightnessDown, BUTTON_MON_BRIGHTNESS_DOWN) )
button->priv->mapped_buttons |= BRIGHTNESS_KEY_DOWN;
xfpm_button_xevent_key (button, XF86XK_Battery, BUTTON_BATTERY);
+ if ( xfpm_button_xevent_key (button, XF86XK_KbdBrightnessUp, BUTTON_KBD_BRIGHTNESS_UP) )
+ button->priv->mapped_buttons |= KBD_BRIGHTNESS_KEY_UP;
+
+ if (xfpm_button_xevent_key (button, XF86XK_KbdBrightnessDown, BUTTON_KBD_BRIGHTNESS_DOWN) )
+ button->priv->mapped_buttons |= KBD_BRIGHTNESS_KEY_DOWN;
+
gdk_window_add_filter (button->priv->window,
xfpm_button_filter_x_events, button);
}
diff --git a/src/xfpm-enum-glib.h b/src/xfpm-enum-glib.h
index b047eb4..5bb70fa 100644
--- a/src/xfpm-enum-glib.h
+++ b/src/xfpm-enum-glib.h
@@ -94,6 +94,8 @@ typedef enum
BUTTON_MON_BRIGHTNESS_DOWN,
BUTTON_LID_CLOSED,
BUTTON_BATTERY,
+ BUTTON_KBD_BRIGHTNESS_UP,
+ BUTTON_KBD_BRIGHTNESS_DOWN,
NUMBER_OF_BUTTONS
} XfpmButtonKey;
diff --git a/src/xfpm-enum.h b/src/xfpm-enum.h
index 5a9f630..e254218 100644
--- a/src/xfpm-enum.h
+++ b/src/xfpm-enum.h
@@ -40,13 +40,15 @@ typedef enum
typedef enum
{
- LID_KEY = (1 << 0),
- BRIGHTNESS_KEY_UP = (1 << 1),
- BRIGHTNESS_KEY_DOWN = (1 << 2),
- SLEEP_KEY = (1 << 3),
- HIBERNATE_KEY = (1 << 4),
- POWER_KEY = (1 << 5)
-
+ LID_KEY = (1 << 0),
+ BRIGHTNESS_KEY_UP = (1 << 1),
+ BRIGHTNESS_KEY_DOWN = (1 << 2),
+ SLEEP_KEY = (1 << 3),
+ HIBERNATE_KEY = (1 << 4),
+ POWER_KEY = (1 << 5),
+ KBD_BRIGHTNESS_KEY_UP = (1 << 6),
+ KBD_BRIGHTNESS_KEY_DOWN = (1 << 7)
+
} XfpmKeys;
typedef enum
diff --git a/src/xfpm-kbd-backlight.c b/src/xfpm-kbd-backlight.c
new file mode 100644
index 0000000..c45283d
--- /dev/null
+++ b/src/xfpm-kbd-backlight.c
@@ -0,0 +1,276 @@
+/*
+ * * Copyright (C) 2013 Sonal Santan <sonal.santan at gmail.com>
+ *
+ * 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
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <dbus/dbus-glib.h>
+
+#include "xfpm-kbd-backlight.h"
+#include "xfpm-button.h"
+#include "xfpm-power.h"
+
+#define XFPM_KBD_BACKLIGHT_GET_PRIVATE(o) \
+(G_TYPE_INSTANCE_GET_PRIVATE ((o), XFPM_TYPE_KBD_BACKLIGHT, XfpmKbdBacklightPrivate))
+
+static void xfpm_kbd_backlight_finalize (GObject *object);
+
+struct XfpmKbdBacklightPrivate
+{
+ XfpmPower *power;
+ XfpmButton *button;
+
+ DBusGConnection *bus;
+ DBusGProxy *proxy;
+
+ gboolean dimmed;
+ gboolean on_battery;
+ gint max_level;
+ gint min_level;
+ gint step;
+};
+
+G_DEFINE_TYPE (XfpmKbdBacklight, xfpm_kbd_backlight, G_TYPE_OBJECT)
+
+
+static void
+xfpm_kbd_backlight_on_battery_changed_cb (XfpmPower *power, gboolean on_battery, XfpmKbdBacklight *backlight)
+{
+ backlight->priv->on_battery = on_battery;
+}
+
+
+static void
+xfpm_kbd_backlight_init_max_level (XfpmKbdBacklight *backlight)
+{
+ GError *error = NULL;
+
+ dbus_g_proxy_call (backlight->priv->proxy, "GetMaxBrightness", &error,
+ G_TYPE_INVALID,
+ G_TYPE_INT, &backlight->priv->max_level,
+ G_TYPE_INVALID);
+
+ if ( error )
+ {
+ g_warning ("Failed to get keyboard max brightness level : %s", error->message);
+ g_error_free (error);
+ }
+}
+
+
+static gint
+xfpm_kbd_backlight_get_level (XfpmKbdBacklight *backlight)
+{
+ GError *error = NULL;
+ gint level = -1;
+
+ dbus_g_proxy_call (backlight->priv->proxy, "GetBrightness", &error,
+ G_TYPE_INVALID,
+ G_TYPE_INT, &level,
+ G_TYPE_INVALID);
+ if ( error )
+ {
+ g_warning ("Failed to get keyboard brightness level : %s", error->message);
+ g_error_free (error);
+ }
+ return level;
+}
+
+
+static void
+xfpm_kbd_backlight_set_level (XfpmKbdBacklight *backlight, gint level)
+{
+ GError *error = NULL;
+
+ dbus_g_proxy_call (backlight->priv->proxy, "SetBrightness", &error,
+ G_TYPE_INT, level,
+ G_TYPE_INVALID, G_TYPE_INVALID);
+ if ( error )
+ {
+ g_warning ("Failed to set keyboard brightness level : %s", error->message);
+ g_error_free (error);
+ }
+}
+
+static void
+xfpm_kbd_backlight_up (XfpmKbdBacklight *backlight)
+{
+ gint level;
+
+ level = xfpm_kbd_backlight_get_level(backlight);
+
+ if ( level == -1)
+ return;
+
+ if ( level == backlight->priv->max_level )
+ return;
+
+ level += backlight->priv->step;
+
+ if ( level > backlight->priv->max_level )
+ level = backlight->priv->max_level;
+
+ xfpm_kbd_backlight_set_level(backlight, level);
+}
+
+
+static void
+xfpm_kbd_backlight_down (XfpmKbdBacklight *backlight)
+{
+ gint level;
+
+ level = xfpm_kbd_backlight_get_level(backlight);
+
+ if ( level == -1)
+ return;
+
+ if ( level == backlight->priv->min_level )
+ return;
+
+ level -= backlight->priv->step;
+
+ if ( level < backlight->priv->min_level )
+ level = backlight->priv->min_level;
+
+ xfpm_kbd_backlight_set_level(backlight, level);
+}
+
+
+static void
+xfpm_kbd_backlight_button_pressed_cb (XfpmButton *button, XfpmButtonKey type, XfpmKbdBacklight *backlight)
+{
+ if ( type == BUTTON_KBD_BRIGHTNESS_UP )
+ {
+ xfpm_kbd_backlight_up (backlight);
+ }
+ else if ( type == BUTTON_KBD_BRIGHTNESS_DOWN )
+ {
+ xfpm_kbd_backlight_down (backlight);
+ }
+}
+
+
+static void
+xfpm_kbd_backlight_class_init (XfpmKbdBacklightClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->finalize = xfpm_kbd_backlight_finalize;
+
+ g_type_class_add_private (klass, sizeof (XfpmKbdBacklightPrivate));
+}
+
+
+static void
+xfpm_kbd_backlight_init (XfpmKbdBacklight *backlight)
+{
+ GError *error = NULL;
+
+ backlight->priv = XFPM_KBD_BACKLIGHT_GET_PRIVATE (backlight);
+
+ backlight->priv->bus = NULL;
+ backlight->priv->proxy = NULL;
+ backlight->priv->power = NULL;
+ backlight->priv->button = NULL;
+ backlight->priv->dimmed = FALSE;
+ backlight->priv->on_battery = FALSE;
+ backlight->priv->max_level = 0;
+ backlight->priv->min_level = 0;
+
+ backlight->priv->bus = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error);
+
+ if ( error )
+ {
+ g_critical ("Unable to get system bus connection : %s", error->message);
+ g_error_free (error);
+ goto out;
+ }
+
+ backlight->priv->proxy = dbus_g_proxy_new_for_name (backlight->priv->bus,
+ "org.freedesktop.UPower",
+ "/org/freedesktop/UPower/KbdBacklight",
+ "org.freedesktop.UPower.KbdBacklight");
+ if ( backlight->priv->proxy == NULL )
+ {
+ g_warning ("Unable to get the interface, org.freedesktop.UPower.KbdBacklight");
+ goto out;
+ }
+
+ xfpm_kbd_backlight_init_max_level (backlight);
+
+ if ( backlight->priv->max_level == 0 )
+ goto out;
+
+ backlight->priv->step = backlight->priv->max_level / 5;
+ backlight->priv->power = xfpm_power_get ();
+ backlight->priv->button = xfpm_button_new ();
+
+ g_signal_connect (backlight->priv->button, "button-pressed",
+ G_CALLBACK (xfpm_kbd_backlight_button_pressed_cb), backlight);
+
+ g_signal_connect (backlight->priv->power, "on-battery-changed",
+ G_CALLBACK (xfpm_kbd_backlight_on_battery_changed_cb), backlight);
+
+ g_object_get (G_OBJECT (backlight->priv->power),
+ "on-battery", &backlight->priv->on_battery,
+ NULL);
+
+out:
+ ;
+}
+
+
+static void
+xfpm_kbd_backlight_finalize (GObject *object)
+{
+ XfpmKbdBacklight *backlight = NULL;
+
+ backlight = XFPM_KBD_BACKLIGHT (object);
+
+ if ( backlight->priv->power )
+ g_object_unref (backlight->priv->power );
+
+ if ( backlight->priv->button )
+ g_object_unref (backlight->priv->button);
+
+ if ( backlight->priv->proxy )
+ g_object_unref (backlight->priv->proxy);
+
+ if ( backlight->priv->bus )
+ dbus_g_connection_unref (backlight->priv->bus);
+
+ G_OBJECT_CLASS (xfpm_kbd_backlight_parent_class)->finalize (object);
+}
+
+
+XfpmKbdBacklight *
+xfpm_kbd_backlight_new (void)
+{
+ XfpmKbdBacklight *backlight = NULL;
+ backlight = g_object_new (XFPM_TYPE_KBD_BACKLIGHT, NULL);
+ return backlight;
+}
+
+
+gboolean xfpm_kbd_backlight_has_hw (XfpmKbdBacklight *backlight)
+{
+ return ( backlight->priv->proxy == NULL ) ? FALSE : TRUE;
+}
diff --git a/src/xfpm-kbd-backlight.h b/src/xfpm-kbd-backlight.h
new file mode 100644
index 0000000..99569d7
--- /dev/null
+++ b/src/xfpm-kbd-backlight.h
@@ -0,0 +1,55 @@
+/*
+ * * Copyright (C) 2013 Sonal Santan <sonal.santan at gmail.com>
+ *
+ * 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
+ */
+
+#ifndef __XFPM_KBD_BACKLIGHT_H
+#define __XFPM_KBD_BACKLIGHT_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define XFPM_TYPE_KBD_BACKLIGHT (xfpm_kbd_backlight_get_type () )
+#define XFPM_KBD_BACKLIGHT(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), XFPM_TYPE_KBD_BACKLIGHT, XfpmKbdBacklight))
+#define XFPM_IS_KBD_BACKLIGHT(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), XFPM_TYPE_KBD_BACKLIGHT))
+
+typedef struct XfpmKbdBacklightPrivate XfpmKbdBacklightPrivate;
+
+typedef struct
+{
+ GObject parent;
+ XfpmKbdBacklightPrivate *priv;
+
+} XfpmKbdBacklight;
+
+typedef struct
+{
+ GObjectClass parent_class;
+
+} XfpmKbdBacklightClass;
+
+GType xfpm_kbd_backlight_get_type (void) G_GNUC_CONST;
+
+XfpmKbdBacklight *xfpm_kbd_backlight_new (void);
+
+gboolean xfpm_kbd_backlight_has_hw (XfpmKbdBacklight *backlight);
+
+G_END_DECLS
+
+#endif /* __XFPM_KBD_BACKLIGHT_H */
diff --git a/src/xfpm-manager.c b/src/xfpm-manager.c
index aff9431..889ff7a 100644
--- a/src/xfpm-manager.c
+++ b/src/xfpm-manager.c
@@ -46,6 +46,7 @@
#include "xfpm-console-kit.h"
#include "xfpm-button.h"
#include "xfpm-backlight.h"
+#include "xfpm-kbd-backlight.h"
#include "xfpm-inhibit.h"
#include "egg-idletime.h"
#include "xfpm-config.h"
@@ -74,28 +75,29 @@ static gboolean xfpm_manager_quit (XfpmManager *manager);
struct XfpmManagerPrivate
{
- DBusGConnection *session_bus;
-
- XfceSMClient *client;
-
- XfpmPower *power;
- XfpmButton *button;
- XfpmXfconf *conf;
- XfpmBacklight *backlight;
- XfpmConsoleKit *console;
- XfpmSystemd *systemd;
- XfpmDBusMonitor *monitor;
- XfpmDisks *disks;
- XfpmInhibit *inhibit;
- EggIdletime *idle;
+ DBusGConnection *session_bus;
+
+ XfceSMClient *client;
+
+ XfpmPower *power;
+ XfpmButton *button;
+ XfpmXfconf *conf;
+ XfpmBacklight *backlight;
+ XfpmKbdBacklight *kbd_backlight;
+ XfpmConsoleKit *console;
+ XfpmSystemd *systemd;
+ XfpmDBusMonitor *monitor;
+ XfpmDisks *disks;
+ XfpmInhibit *inhibit;
+ EggIdletime *idle;
#ifdef HAVE_DPMS
- XfpmDpms *dpms;
+ XfpmDpms *dpms;
#endif
- GTimer *timer;
+ GTimer *timer;
- gboolean inhibited;
- gboolean session_managed;
+ gboolean inhibited;
+ gboolean session_managed;
};
G_DEFINE_TYPE (XfpmManager, xfpm_manager, G_TYPE_OBJECT)
@@ -151,6 +153,8 @@ xfpm_manager_finalize (GObject *object)
g_object_unref (manager->priv->backlight);
+ g_object_unref (manager->priv->kbd_backlight);
+
G_OBJECT_CLASS (xfpm_manager_parent_class)->finalize (object);
}
@@ -271,6 +275,9 @@ xfpm_manager_button_pressed_cb (XfpmButton *bt, XfpmButtonKey type, XfpmManager
if ( type == BUTTON_MON_BRIGHTNESS_DOWN || type == BUTTON_MON_BRIGHTNESS_UP )
return;
+ if ( type == BUTTON_KBD_BRIGHTNESS_DOWN || type == BUTTON_KBD_BRIGHTNESS_UP )
+ return;
+
if ( type == BUTTON_POWER_OFF )
{
g_object_get (G_OBJECT (manager->priv->conf),
@@ -563,6 +570,8 @@ void xfpm_manager_start (XfpmManager *manager)
manager->priv->backlight = xfpm_backlight_new ();
+ manager->priv->kbd_backlight = xfpm_kbd_backlight_new ();
+
#ifdef HAVE_DPMS
manager->priv->dpms = xfpm_dpms_new ();
#endif
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