Initial version
This commit is contained in:
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ce2f62dc4b
commit
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7
Makefile
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7
Makefile
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@ -0,0 +1,7 @@
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# Export CGO_ENABLED=1
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CGO_ENABLED=1
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# Export C compiler
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CC=gcc
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build:
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go build -ldflags "-H windowsgui" -o bin/
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23
go.mod
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23
go.mod
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module VolumeFix
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go 1.21
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require (
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github.com/moutend/go-hook v0.1.0
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github.com/moutend/go-wca v0.3.0
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)
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require (
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github.com/getlantern/context v0.0.0-20190109183933-c447772a6520 // indirect
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github.com/getlantern/errors v0.0.0-20190325191628-abdb3e3e36f7 // indirect
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github.com/getlantern/golog v0.0.0-20190830074920-4ef2e798c2d7 // indirect
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github.com/getlantern/hex v0.0.0-20190417191902-c6586a6fe0b7 // indirect
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github.com/getlantern/hidden v0.0.0-20190325191715-f02dbb02be55 // indirect
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github.com/getlantern/ops v0.0.0-20190325191751-d70cb0d6f85f // indirect
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github.com/getlantern/systray v1.2.2 // indirect
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github.com/go-ole/go-ole v1.3.0 // indirect
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github.com/go-stack/stack v1.8.0 // indirect
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github.com/micmonay/keybd_event v1.1.2 // indirect
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github.com/oxtoacart/bpool v0.0.0-20190530202638-03653db5a59c // indirect
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golang.org/x/sys v0.16.0 // indirect
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)
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44
go.sum
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44
go.sum
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/getlantern/context v0.0.0-20190109183933-c447772a6520 h1:NRUJuo3v3WGC/g5YiyF790gut6oQr5f3FBI88Wv0dx4=
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github.com/getlantern/context v0.0.0-20190109183933-c447772a6520/go.mod h1:L+mq6/vvYHKjCX2oez0CgEAJmbq1fbb/oNJIWQkBybY=
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github.com/getlantern/errors v0.0.0-20190325191628-abdb3e3e36f7 h1:6uJ+sZ/e03gkbqZ0kUG6mfKoqDb4XMAzMIwlajq19So=
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github.com/getlantern/errors v0.0.0-20190325191628-abdb3e3e36f7/go.mod h1:l+xpFBrCtDLpK9qNjxs+cHU6+BAdlBaxHqikB6Lku3A=
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github.com/getlantern/golog v0.0.0-20190830074920-4ef2e798c2d7 h1:guBYzEaLz0Vfc/jv0czrr2z7qyzTOGC9hiQ0VC+hKjk=
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github.com/getlantern/golog v0.0.0-20190830074920-4ef2e798c2d7/go.mod h1:zx/1xUUeYPy3Pcmet8OSXLbF47l+3y6hIPpyLWoR9oc=
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github.com/getlantern/hex v0.0.0-20190417191902-c6586a6fe0b7 h1:micT5vkcr9tOVk1FiH8SWKID8ultN44Z+yzd2y/Vyb0=
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github.com/getlantern/hex v0.0.0-20190417191902-c6586a6fe0b7/go.mod h1:dD3CgOrwlzca8ed61CsZouQS5h5jIzkK9ZWrTcf0s+o=
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github.com/getlantern/hidden v0.0.0-20190325191715-f02dbb02be55 h1:XYzSdCbkzOC0FDNrgJqGRo8PCMFOBFL9py72DRs7bmc=
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github.com/getlantern/hidden v0.0.0-20190325191715-f02dbb02be55/go.mod h1:6mmzY2kW1TOOrVy+r41Za2MxXM+hhqTtY3oBKd2AgFA=
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github.com/getlantern/ops v0.0.0-20190325191751-d70cb0d6f85f h1:wrYrQttPS8FHIRSlsrcuKazukx/xqO/PpLZzZXsF+EA=
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github.com/getlantern/ops v0.0.0-20190325191751-d70cb0d6f85f/go.mod h1:D5ao98qkA6pxftxoqzibIBBrLSUli+kYnJqrgBf9cIA=
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github.com/getlantern/systray v1.2.2 h1:dCEHtfmvkJG7HZ8lS/sLklTH4RKUcIsKrAD9sThoEBE=
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github.com/getlantern/systray v1.2.2/go.mod h1:pXFOI1wwqwYXEhLPm9ZGjS2u/vVELeIgNMY5HvhHhcE=
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github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
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github.com/go-ole/go-ole v1.3.0 h1:Dt6ye7+vXGIKZ7Xtk4s6/xVdGDQynvom7xCFEdWr6uE=
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github.com/go-ole/go-ole v1.3.0/go.mod h1:5LS6F96DhAwUc7C+1HLexzMXY1xGRSryjyPPKW6zv78=
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github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
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github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
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github.com/jwfergus/winsystray v0.0.0-20200612115431-12d8dc7aa265 h1:ImfStqG+JS2Uxdymr1LqZAVDFq1BZxQ1mybTM18hnGA=
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github.com/jwfergus/winsystray v0.0.0-20200612115431-12d8dc7aa265/go.mod h1:rkjpnJveVtl+m/CY0U4hFgCf2FlG9UcEUOLsUAo0pxE=
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github.com/lxn/walk v0.0.0-20210112085537-c389da54e794/go.mod h1:E23UucZGqpuUANJooIbHWCufXvOcT6E7Stq81gU+CSQ=
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github.com/lxn/win v0.0.0-20210218163916-a377121e959e/go.mod h1:KxxjdtRkfNoYDCUP5ryK7XJJNTnpC8atvtmTheChOtk=
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github.com/micmonay/keybd_event v1.1.2 h1:RpgvPJKOh4Jc+ZYe0OrVzGd2eNMCfuVg3dFTCsuSah4=
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github.com/micmonay/keybd_event v1.1.2/go.mod h1:CGMWMDNgsfPljzrAWoybUOSKafQPZpv+rLigt2LzNGI=
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github.com/moutend/go-hook v0.1.0 h1:8jGA7zxtcNmiFrHf+KAGpSBbU99fyY9DS1s38MOBJQU=
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github.com/moutend/go-hook v0.1.0/go.mod h1:rGHmQESfHpsztJ6jbDoaiCgesGdZttObFlY/ksHIlY4=
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github.com/moutend/go-wca v0.3.0 h1:IzhsQ44zBzMdT42xlBjiLSVya9cPYOoKx9E+yXVhFo8=
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github.com/moutend/go-wca v0.3.0/go.mod h1:7VrPO512jnjFGJ6rr+zOoCfiYjOHRPNfbttJuxAurcw=
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github.com/oxtoacart/bpool v0.0.0-20190530202638-03653db5a59c h1:rp5dCmg/yLR3mgFuSOe4oEnDDmGLROTvMragMUXpTQw=
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github.com/oxtoacart/bpool v0.0.0-20190530202638-03653db5a59c/go.mod h1:X07ZCGwUbLaax7L0S3Tw4hpejzu63ZrrQiUe6W0hcy0=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/skratchdot/open-golang v0.0.0-20200116055534-eef842397966/go.mod h1:sUM3LWHvSMaG192sy56D9F7CNvL7jUJVXoqM1QKLnog=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
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golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20200610111108-226ff32320da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20201018230417-eeed37f84f13/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.1.0 h1:kunALQeHf1/185U1i0GOB/fy1IPRDDpuoOOqRReG57U=
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golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
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golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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gopkg.in/Knetic/govaluate.v3 v3.0.0/go.mod h1:csKLBORsPbafmSCGTEh3U7Ozmsuq8ZSIlKk1bcqph0E=
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171
main.go
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171
main.go
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package main
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import (
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"fmt"
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"github.com/getlantern/systray"
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"github.com/getlantern/systray/example/icon"
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"github.com/go-ole/go-ole"
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"github.com/moutend/go-hook/pkg/keyboard"
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"github.com/moutend/go-hook/pkg/types"
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"github.com/moutend/go-wca/pkg/wca"
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"math"
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"os"
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"os/signal"
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)
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var (
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// DeviceEnumerator Persistent reference to the device enumerator object
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DeviceEnumerator *wca.IMMDeviceEnumerator
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// IMMDevice Persistent reference to the audio endpoint device
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IMMDevice *wca.IMMDevice
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// AudioEndpointVolume Persistent reference to the audio endpoint volume object
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AudioEndpointVolume *wca.IAudioEndpointVolume
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// Volume tracks volume level
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Volume float32
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)
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func main() {
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if err := run(); err != nil {
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fmt.Println(err)
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}
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}
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func onReady() {
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systray.SetIcon(icon.Data)
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systray.SetTitle("Volume Fix")
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systray.SetTooltip("Volume Fix")
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quit := systray.AddMenuItem("Quit", "Quit the whole app")
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go func() {
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<-quit.ClickedCh
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fmt.Println("Quitting")
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systray.Quit()
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}()
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}
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func onExit() {
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// clean up here
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os.Exit(0)
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}
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func run() error {
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// Set up audio endpoint volume
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err := setupEndpointVolume()
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if err != nil {
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return err
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}
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// Defer teardown of COM objects
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defer teardown()
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keyboardChan := make(chan types.KeyboardEvent, 3)
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if err := keyboard.Install(nil, keyboardChan); err != nil {
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return err
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}
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defer func() {
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err := keyboard.Uninstall()
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if err != nil {
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fmt.Println(err)
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}
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}()
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// Systray, run in a separate goroutine to avoid blocking
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go func() {
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systray.Run(onReady, onExit)
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}()
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signalChan := make(chan os.Signal, 1)
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signal.Notify(signalChan, os.Interrupt)
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fmt.Println("start capturing keyboard input")
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for {
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select {
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case <-signalChan:
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fmt.Println("Received shutdown signal")
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return nil
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case key := <-keyboardChan:
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switch key.VKCode {
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case types.VK_VOLUME_UP:
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// Stop key from being passed to the system
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switch key.Message {
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case types.WM_KEYDOWN:
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fmt.Println("Volume up key pressed")
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Volume = getVolume()
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case types.WM_KEYUP:
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fmt.Println("Volume up key released")
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setVolume(Volume + 0.01)
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}
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case types.VK_VOLUME_DOWN:
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switch key.Message {
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case types.WM_KEYDOWN:
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fmt.Println("Volume down key pressed")
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Volume = getVolume()
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case types.WM_KEYUP:
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fmt.Println("Volume down key released")
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setVolume(Volume - 0.01)
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}
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}
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}
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}
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}
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func getVolume() float32 {
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var volume float32
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err := AudioEndpointVolume.GetMasterVolumeLevelScalar(&volume)
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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fmt.Println("Current volume is ", volume)
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return volume
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}
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func setVolume(volume float32) {
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precision := float64(volume)
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// Clamp volume between 0 and 1
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precision = math.Max(0, math.Min(precision, 1))
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// Round to 2 decimal places
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precision = math.Round(precision*100) / 100
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volume = float32(precision)
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fmt.Println("Setting volume to ", volume)
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err := AudioEndpointVolume.SetMasterVolumeLevelScalar(volume, nil)
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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}
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func setupEndpointVolume() error {
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// Initialize COM library
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if err := ole.CoInitializeEx(0, ole.COINIT_APARTMENTTHREADED); err != nil {
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return err
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}
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// Get Device Enumerator
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if err := wca.CoCreateInstance(wca.CLSID_MMDeviceEnumerator, 0, wca.CLSCTX_ALL, wca.IID_IMMDeviceEnumerator, &DeviceEnumerator); err != nil {
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return err
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}
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// Get default audio endpoint from the device enumerator
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if err := DeviceEnumerator.GetDefaultAudioEndpoint(wca.ERender, wca.EConsole, &IMMDevice); err != nil {
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return err
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}
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// Activate the audio endpoint volume object
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if err := IMMDevice.Activate(wca.IID_IAudioEndpointVolume, wca.CLSCTX_ALL, nil, &AudioEndpointVolume); err != nil {
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return err
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}
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return nil
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}
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func teardown() {
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// Release the audio endpoint volume object
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if AudioEndpointVolume != nil {
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AudioEndpointVolume.Release()
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}
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// Release the audio endpoint device
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if IMMDevice != nil {
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IMMDevice.Release()
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}
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// Release the device enumerator
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if DeviceEnumerator != nil {
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DeviceEnumerator.Release()
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}
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// Un-initialize COM library
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ole.CoUninitialize()
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}
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