I noticed that the var type used by dbus changed since we moved to qt5.2
(int->double), which broke volume down:
Before:
method call sender=:1.20 -> dest=com.canonical.indicator.sound serial=178
path=/com/canonical/indicator/sound; interface=org.gtk.Actions; member=Activate
string "volume"
array [
variant int32 -1
]
array [
]
After:
method call sender=:1.51 -> dest=com.canonical.indicator.sound serial=176
path=/com/canonical/indicator/sound; interface=org.gtk.Actions; member=Activate
string "volume"
array [
variant double -1
]
array [
]
Looking at the qml file (qml/Components/VolumeControl.qml), it seems Qt
is now assuming -1 is double by default, which is what is probably
causing the issue.
A simple patch to force the value to be an integer fixes the volume
up/down when using hw keys, but there are still some other issues with
the volume indicator.
Once you manually select a volume value by touching the indicator, the
hw key behavor changes (it sends the same dbus message, but the value
doesn't move correctly anymore at the volume bar). If you also play a
bit with the volume indicator (e.g. changing volume when using the
camera app), it can easily get to a point where unity8 stops sending the
dbus messages, breaking the indicator.
$ bzr diff
=== modified file 'qml/Components/VolumeControl.qml'
--- qml/Components/VolumeControl.qml 2013-10-10 03:39:40 +0000
+++ qml/Components/VolumeControl.qml 2014-03-18 20:41:22 +0000
@@ -22,6 +22,9 @@
objectName: "volumeControl"
visible: false
+ property int stepUp: 1
+ property int stepDown: -1
+
QDBusActionGroup {
id: actionGroup
busType: 1
@@ -32,11 +35,11 @@
}
function volumeUp() {
- actionGroup.actionObject.activate(1);
+ actionGroup.actionObject.activate(stepUp);
}
function volumeDown() {
- actionGroup.actionObject.activate(-1);
+ actionGroup.actionObject.activate(stepDown);
}
Component.onCompleted: actionGroup.start()
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https://bugs.launchpad.net/bugs/1293478
Title:
Volume buttons no longer function correctly since #238 mako/flo/manta
To manage notifications about this bug go to:
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