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-rw-r--r--core/launcher/screensaver.cpp37
-rw-r--r--core/launcher/screensaver.h13
2 files changed, 48 insertions, 2 deletions
diff --git a/core/launcher/screensaver.cpp b/core/launcher/screensaver.cpp
index 9e823ff..741591e 100644
--- a/core/launcher/screensaver.cpp
+++ b/core/launcher/screensaver.cpp
@@ -11,6 +11,7 @@
11using namespace Opie; 11using namespace Opie;
12 12
13 13
14
14OpieScreenSaver::OpieScreenSaver ( ) 15OpieScreenSaver::OpieScreenSaver ( )
15 : QObject ( 0, "screensaver" ), QWSScreenSaver ( ) 16 : QObject ( 0, "screensaver" ), QWSScreenSaver ( )
16{ 17{
@@ -27,6 +28,7 @@ OpieScreenSaver::OpieScreenSaver ( )
27 28
28 m_use_light_sensor = false; 29 m_use_light_sensor = false;
29 m_backlight_sensor = -1; 30 m_backlight_sensor = -1;
31 ::memset ( m_sensordata, 0xff, LS_Count * sizeof( m_sensordata [0] ));
30 32
31 m_lcd_status = true; 33 m_lcd_status = true;
32 34
@@ -173,8 +175,22 @@ void OpieScreenSaver::setBacklight ( int bright )
173 175
174 killTimers ( ); 176 killTimers ( );
175 if ( m_use_light_sensor ) { 177 if ( m_use_light_sensor ) {
178 QStringList sl = config. readListEntry ( "LightSensorData", ';' );
179
180 m_sensordata [LS_SensorMin] = 40;
181 m_sensordata [LS_SensorMax] = 215;
182 m_sensordata [LS_LightMin] = 1;
183 m_sensordata [LS_LightMax] = 255;
184 m_sensordata [LS_Steps] = 12;
185 m_sensordata [LS_Interval] = 2000;
186
187 for ( uint i = 0; i < LS_Count; i++ ) {
188 if ( i < sl. count ( ))
189 m_sensordata [i] = sl [i]. toInt ( );
190 }
191
176 timerEvent ( 0 ); 192 timerEvent ( 0 );
177 startTimer ( 2000 ); 193 startTimer ( m_sensordata [LS_Interval] );
178 } 194 }
179 195
180 setBacklightInternal ( bright ); 196 setBacklightInternal ( bright );
@@ -207,7 +223,24 @@ void OpieScreenSaver::setBacklightInternal ( int bright )
207 223
208void OpieScreenSaver::timerEvent ( QTimerEvent * ) 224void OpieScreenSaver::timerEvent ( QTimerEvent * )
209{ 225{
210 m_backlight_sensor = (( 255 - ODevice::inst ( )-> readLightSensor ( )) * m_backlight_normal ) / 255; 226 int s = ODevice::inst ( )-> readLightSensor ( );
227
228 if ( s < m_sensordata [LS_SensorMin] )
229 m_backlight_sensor = m_sensordata [LS_LightMax];
230 else if ( s >= m_sensordata [LS_SensorMax] )
231 m_backlight_sensor = m_sensordata [LS_LightMin];
232 else {
233 int dx = m_sensordata [LS_SensorMax] - m_sensordata [LS_SensorMin];
234 int dy = m_sensordata [LS_LightMax] - m_sensordata [LS_LightMin];
235
236 int stepno = ( s - m_sensordata [LS_SensorMin] ) * m_sensordata [LS_Steps] / dx;
237
238 m_backlight_sensor = m_sensordata [LS_LightMax] - dy * stepno / ( m_sensordata [LS_Steps] - 1 );
239 }
240 if ( !m_backlight_sensor )
241 m_backlight_sensor = 1;
242
243 // qDebug ( "f(%d) = %d [%d - %d] -> [%d - %d] / %d", s, m_backlight_sensor, m_sensordata [LS_SensorMin], m_sensordata [LS_SensorMax], m_sensordata [LS_LightMin], m_sensordata [LS_LightMax], m_sensordata [LS_Steps] );
211 244
212 if ( m_level <= 0 ) 245 if ( m_level <= 0 )
213 setBacklightInternal ( -1 ); 246 setBacklightInternal ( -1 );
diff --git a/core/launcher/screensaver.h b/core/launcher/screensaver.h
index 9126f33..da10a8d 100644
--- a/core/launcher/screensaver.h
+++ b/core/launcher/screensaver.h
@@ -47,6 +47,19 @@ private:
47 bool m_use_light_sensor; 47 bool m_use_light_sensor;
48 int m_backlight_sensor; 48 int m_backlight_sensor;
49 49
50 enum {
51 LS_Interval = 0,
52 LS_Steps,
53 LS_SensorMin,
54 LS_SensorMax,
55 LS_LightMin,
56 LS_LightMax,
57
58 LS_Count
59 };
60
61 int m_sensordata [LS_Count];
62
50 bool m_lcd_status; 63 bool m_lcd_status;
51 64
52 int m_backlight_normal; 65 int m_backlight_normal;