/**
* 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;
egg_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;
}
/* we emit a signal for the brightness applet */
if (ret && hw_changed) {
egg_debug ("emitting brightness-changed : %i", 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;
}
/* we emit a signal for the brightness applet */
if (ret && hw_changed) {
egg_debug ("emitting brightness-changed : %i", 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) {
egg_warning ("failed to turn on DPMS: %s", error->message);
g_error_free (error);
}
}
}
static void
test_window (void)
{
GtkWidget *window;
window = msd_media_keys_window_new ();
gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER_ALWAYS);
msd_media_keys_window_set_volume_level (MSD_MEDIA_KEYS_WINDOW (window),
0);
msd_media_keys_window_set_action (MSD_MEDIA_KEYS_WINDOW (window),
MSD_MEDIA_KEYS_WINDOW_ACTION_VOLUME);
gtk_widget_show (window);
g_timeout_add (3000, (GSourceFunc) update_state, window);
}
/**
* 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) {
egg_warning ("no dimming hardware");
return FALSE;
}
do_laptop_lcd = g_settings_get_boolean (backlight->priv->settings, GPM_SETTINGS_BACKLIGHT_ENABLE);
if (do_laptop_lcd == FALSE) {
egg_warning ("policy is no dimming");
return FALSE;
}
/* get the last set brightness */
brightness = backlight->priv->master_percentage / 100.0f;
egg_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) {
egg_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) {
egg_warning ("cannot use battery brightness value %i, correcting to 50", value);
value = 50;
}
scale = (100 - value) / 100.0f;
brightness *= scale;
} else {
scale = 1.0f;
}
egg_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) {
egg_warning ("cannot use idle brightness value %i, correcting to 50", value);
value = 50;
}
scale = value / 100.0f;
brightness *= scale;
} else {
scale = 1.0f;
}
egg_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) {
egg_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) {
egg_debug ("emitting brightness-changed : %i", value);
g_signal_emit (backlight, signals [BRIGHTNESS_CHANGED], 0, value);
}
return TRUE;
}
static gboolean
update_state (GtkWidget *window)
{
static int count = 0;
count++;
switch (count) {
case 1:
msd_media_keys_window_set_volume_level (MSD_MEDIA_KEYS_WINDOW (window),
50);
msd_media_keys_window_set_action (MSD_MEDIA_KEYS_WINDOW (window),
MSD_MEDIA_KEYS_WINDOW_ACTION_VOLUME);
gtk_widget_show (window);
break;
case 2:
msd_media_keys_window_set_volume_level (MSD_MEDIA_KEYS_WINDOW (window),
100);
msd_media_keys_window_set_action (MSD_MEDIA_KEYS_WINDOW (window),
MSD_MEDIA_KEYS_WINDOW_ACTION_VOLUME);
gtk_widget_show (window);
break;
case 3:
msd_media_keys_window_set_volume_muted (MSD_MEDIA_KEYS_WINDOW (window),
TRUE);
msd_media_keys_window_set_action (MSD_MEDIA_KEYS_WINDOW (window),
MSD_MEDIA_KEYS_WINDOW_ACTION_VOLUME);
gtk_widget_show (window);
break;
case 4:
msd_media_keys_window_set_action_custom (MSD_MEDIA_KEYS_WINDOW (window),
"media-eject",
FALSE);
gtk_widget_show (window);
break;
case 5:
msd_media_keys_window_set_volume_level (MSD_MEDIA_KEYS_WINDOW (window),
0);
msd_media_keys_window_set_action_custom (MSD_MEDIA_KEYS_WINDOW (window),
"gpm-brightness-lcd",
TRUE);
gtk_widget_show (window);
break;
case 6:
msd_media_keys_window_set_volume_level (MSD_MEDIA_KEYS_WINDOW (window),
50);
msd_media_keys_window_set_action_custom (MSD_MEDIA_KEYS_WINDOW (window),
"gpm-brightness-lcd",
TRUE);
gtk_widget_show (window);
break;
case 7:
msd_media_keys_window_set_volume_level (MSD_MEDIA_KEYS_WINDOW (window),
100);
msd_media_keys_window_set_action_custom (MSD_MEDIA_KEYS_WINDOW (window),
"gpm-brightness-lcd",
TRUE);
gtk_widget_show (window);
break;
default:
gtk_main_quit ();
break;
}
return TRUE;
}
