kde4-kdebase-workspace-brightness.patch

   1 --- kde-workspace-4.8.2/powerdevil/daemon/backends/upower/powerdevilupowerbackend.h~    2012-03-30 00:02:31.000000000 +0200
   2 +++ kde-workspace-4.8.2/powerdevil/daemon/backends/upower/powerdevilupowerbackend.h     2012-04-19 23:54:03.961628717 +0200
   3 @@ -70,6 +70,7 @@
   4
   5      // brightness
   6      float m_cachedBrightness;
   7 +    QElapsedTimer m_cachedBrightness_timer;
   8      XRandrBrightness         *m_brightnessControl;
   9      OrgFreedesktopUPowerInterface *m_upowerInterface;
  10      OrgFreedesktopUPowerKbdBacklightInterface *m_kbdBacklight;
  11 --- kde-workspace-4.8.2/powerdevil/daemon/backends/upower/powerdevilupowerbackend.cpp~  2012-03-30 00:02:31.000000000 +0200
  12 +++ kde-workspace-4.8.2/powerdevil/daemon/backends/upower/powerdevilupowerbackend.cpp   2012-04-19 23:56:23.768337437 +0200
  13 @@ -108,6 +108,7 @@
  14
  15      if (!controls.isEmpty()) {
  16          m_cachedBrightness = brightness(Screen);
  17 +        m_cachedBrightness_timer.start();
  18          kDebug() << "current screen brightness: " << m_cachedBrightness;
  19      }
  20
  21 @@ -153,6 +154,9 @@
  22
  23  void PowerDevilUPowerBackend::brightnessKeyPressed(PowerDevil::BackendInterface::BrightnessKeyType type)
  24  {
  25 +    if (m_cachedBrightness_timer.elapsed() < 100)
  26 +        return; // two key presses delivered for single physical key press; 100ms marign
  27 +
  28      BrightnessControlsList controls = brightnessControlsAvailable();
  29      QList<QString> screenControls = controls.keys(Screen);
  30
  31 @@ -169,9 +169,9 @@
  32      if (qFuzzyCompare(currentBrightness, m_cachedBrightness)) {
  33          float newBrightness;
  34          if (type == Increase) {
  35 -            newBrightness = qMin(100.0f, currentBrightness + 10);
  36 +            newBrightness = qMin(100.0f, currentBrightness + 6);
  37          } else {
  38 -            newBrightness = qMax(0.0f, currentBrightness - 10);
  39 +            newBrightness = qMax(0.0f, currentBrightness - 6);
  40          }
  41
  42          if (setBrightness(newBrightness, Screen)) {
  43 @@ -174,11 +178,14 @@
  44              newBrightness = brightness(Screen);
  45              if (!qFuzzyCompare(newBrightness, m_cachedBrightness)) {
  46                  m_cachedBrightness = newBrightness;
  47 +                m_cachedBrightness_timer.restart();
  48                  onBrightnessChanged(Screen, m_cachedBrightness);
  49              }
  50          }
  51      } else {
  52          m_cachedBrightness = currentBrightness;
  53 +        m_cachedBrightness_timer.restart();
  54 +        onBrightnessChanged(Screen, m_cachedBrightness);
  55      }
  56  }
  57