From b06d352d14d9d917ff23288dd6a9433e4e75f7df Mon Sep 17 00:00:00 2001
From: Michele Calgaro <michele.calgaro@yahoo.it>
Date: Wed, 20 May 2020 01:19:55 +0900
Subject: KMix: 1) added direct DCOP access to the user selected mixer/device
 channel used as master. 2) fixed bug with volume update 3) unlinked global
 keyboard shortcuts for volume control to avoid clashing with kmilo. A user
 can still link them manually if needed.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
---
 kmix/mixer.cpp | 76 +++++++++++++++++++++++++++++++++++-----------------------
 1 file changed, 46 insertions(+), 30 deletions(-)

(limited to 'kmix/mixer.cpp')

diff --git a/kmix/mixer.cpp b/kmix/mixer.cpp
index 9e3aa359..0cc4fbcf 100644
--- a/kmix/mixer.cpp
+++ b/kmix/mixer.cpp
@@ -514,6 +514,9 @@ void Mixer::setVolume( int deviceidx, int percentage )
   // @todo The next call doesn't handle negative volumes correctly.
   vol.setAllVolumes( (percentage*vol.maxVolume())/100 );
   _mixerBackend->writeVolumeToHW(deviceidx, vol);
+  // Make sure volume reading is synced
+  readSetFromHWforceUpdate();
+  TQTimer::singleShot(50, this, TQT_SLOT(readSetFromHW()));
 }
 
 /**
@@ -579,12 +582,15 @@ void Mixer::setAbsoluteVolume( int deviceidx, long absoluteVolume ) {
   Volume vol=mixdev->getVolume();
   vol.setAllVolumes( absoluteVolume );
   _mixerBackend->writeVolumeToHW(deviceidx, vol);
+  // Make sure volume reading is synced
+  readSetFromHWforceUpdate();
+  TQTimer::singleShot(50, this, TQT_SLOT(readSetFromHW()));
 }
 
 // @dcop , especially for use in KMilo
-long Mixer::absoluteVolume( int deviceidx )
+long Mixer::absoluteVolume(int deviceidx)
 {
-   MixDevice *mixdev= mixDeviceByType( deviceidx );
+   MixDevice *mixdev= mixDeviceByType(deviceidx);
    if (!mixdev) return 0;
 
    Volume vol=mixdev->getVolume();
@@ -593,9 +599,9 @@ long Mixer::absoluteVolume( int deviceidx )
 }
 
 // @dcop , especially for use in KMilo
-long Mixer::absoluteVolumeMax( int deviceidx )
+long Mixer::absoluteVolumeMax(int deviceidx)
 {
-   MixDevice *mixdev= mixDeviceByType( deviceidx );
+   MixDevice *mixdev= mixDeviceByType(deviceidx);
    if (!mixdev) return 0;
 
    Volume vol=mixdev->getVolume();
@@ -604,9 +610,9 @@ long Mixer::absoluteVolumeMax( int deviceidx )
 }
 
 // @dcop , especially for use in KMilo
-long Mixer::absoluteVolumeMin( int deviceidx )
+long Mixer::absoluteVolumeMin(int deviceidx)
 {
-   MixDevice *mixdev= mixDeviceByType( deviceidx );
+   MixDevice *mixdev= mixDeviceByType(deviceidx);
    if (!mixdev) return 0;
 
    Volume vol=mixdev->getVolume();
@@ -626,44 +632,54 @@ int Mixer::masterVolume()
 }
 
 // @dcop
-void Mixer::increaseVolume( int deviceidx )
+void Mixer::increaseVolume(int deviceidx, int percentage)
 {
-  MixDevice *mixdev= mixDeviceByType( deviceidx );
-  if (mixdev != 0)
+  MixDevice *mixdev= mixDeviceByType(deviceidx);
+  if (mixdev && percentage > 0)
   {
     Volume vol = mixdev->getVolume();
-    long inc = vol.maxVolume() / 20;
-    if (inc == 0)
-    {
-      inc = 1;
-    }
-    for (int i = 0; i < vol.count(); i++)
+    long maxVol = vol.maxVolume();
+    if (maxVol > 0)
     {
-      long newVal = (vol[i]) + inc;
-      mixdev->setVolume(i, newVal < vol.maxVolume() ? newVal : vol.maxVolume());
+      for (int i = 0; i < vol.count(); i++)
+      {
+        double perc = 100.0 * vol[i] / maxVol;
+        perc += percentage;
+        if (perc > 100.0)
+        {
+          perc = 100.0;
+        }
+        long newVal = (long)(perc * maxVol / 100.0);
+        mixdev->setVolume(i, newVal);
+      }
+      commitVolumeChange(mixdev);
     }
-    commitVolumeChange(mixdev);
   }
 }
 
 // @dcop
-void Mixer::decreaseVolume( int deviceidx )
+void Mixer::decreaseVolume(int deviceidx, int percentage)
 {
-  MixDevice *mixdev= mixDeviceByType( deviceidx );
-  if (mixdev != 0)
+  MixDevice *mixdev= mixDeviceByType(deviceidx);
+  if (mixdev && percentage > 0)
   {
     Volume vol = mixdev->getVolume();
-    long inc = vol.maxVolume() / 20;
-    if (inc == 0)
-    {
-      inc = 1;
-    }
-    for (int i = 0; i < vol.count(); i++)
+    long maxVol = vol.maxVolume();
+    if (maxVol > 0)
     {
-      long newVal = (vol[i]) - inc;
-      mixdev->setVolume(i, newVal > 0 ? newVal : 0);
+      for (int i = 0; i < vol.count(); i++)
+      {
+        double perc = 100.0 * vol[i] / maxVol;
+        perc -= percentage;
+        if (perc < 0.0)
+        {
+          perc = 0.0;
+        }
+        long newVal = (long)(perc * maxVol / 100.0);
+        mixdev->setVolume(i, newVal);
+      }
+      commitVolumeChange(mixdev);
     }
-    commitVolumeChange(mixdev);
   }
 }
 
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