Anna Rose Wiggins
329058b4b5
Fixes https://codeberg.org/annabunches/joyful/issues/2 Reviewed-on: #15 Co-authored-by: Anna Rose Wiggins <annabunches@gmail.com> Co-committed-by: Anna Rose Wiggins <annabunches@gmail.com>
130 lines
3.2 KiB
Go
130 lines
3.2 KiB
Go
package main
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import (
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"fmt"
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"slices"
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// TODO: using config here feels like bad coupling... ButtonFromIndex might need a refactor / move
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"git.annabunches.net/annabunches/joyful/internal/config"
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"git.annabunches.net/annabunches/joyful/internal/logger"
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"github.com/holoplot/go-evdev"
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flag "github.com/spf13/pflag"
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)
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func isJoystickLike(device *evdev.InputDevice) bool {
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types := device.CapableTypes()
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if slices.Contains(types, evdev.EV_ABS) {
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return true
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}
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if slices.Contains(types, evdev.EV_KEY) {
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buttons := device.CapableEvents(evdev.EV_KEY)
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for _, code := range config.ButtonFromIndex {
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if slices.Contains(buttons, code) {
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return true
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}
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}
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}
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return false
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}
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func printDevice(devPath evdev.InputPath) {
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// Get the device
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device, err := evdev.Open(devPath.Path)
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if err != nil {
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fmt.Printf("ERROR: Couldn't get data for device '%s'\n", devPath.Name)
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return
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}
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// If the device doesn't support any joystick-shaped inputs, don't print it.
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if !isJoystickLike(device) {
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return
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}
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// Get metadata
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// metadata := struct {
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// uuid string
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// vendor string
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// product string
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// version string
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// }{}
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// uuid, err := device.UniqueID()
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// if err != nil {
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// metadata.uuid = "unknown"
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// } else {
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// metadata.uuid = uuid
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// }
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// inputId, err := device.InputID()
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// if err != nil {
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// metadata.vendor = "unknown"
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// metadata.product = "unknown"
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// metadata.version = "unknown"
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// } else {
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// metadata.vendor = "0x" + strconv.FormatUint(uint64(inputId.Vendor), 16)
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// metadata.product = "0x" + strconv.FormatUint(uint64(inputId.Product), 16)
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// metadata.version = strconv.FormatUint(uint64(inputId.Version), 10)
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// }
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// Get axis info
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var axisOutputs []string
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absInfos, err := device.AbsInfos()
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if err != nil {
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axisOutputs = []string{"ERROR: Failed to get axis data"}
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} else {
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axisOutputs = make([]string, 0, len(absInfos))
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for axisCode, info := range absInfos {
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absStr := fmt.Sprintf("%s: %d - %d", evdev.ABSNames[axisCode], info.Minimum, info.Maximum)
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axisOutputs = append(axisOutputs, absStr)
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}
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}
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// Print everything
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fmt.Printf("%s:\n", devPath.Path)
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fmt.Printf("\tName:\t\t'%s'\n", devPath.Name)
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// fmt.Printf("\tUUID:\t\t'%s'\n", metadata.uuid)
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// fmt.Printf("\tVendor:\t\t'%s'\n", metadata.vendor)
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// fmt.Printf("\tProduct:\t'%s'\n", metadata.product)
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// fmt.Printf("\tVersion:\t'%s'\n", metadata.version)
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if len(axisOutputs) > 0 {
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fmt.Println("\tAxes:")
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for _, str := range axisOutputs {
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fmt.Printf("\t\t%s\n", str)
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}
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}
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}
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func printDeviceQuiet(devPath evdev.InputPath) {
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// If it's not at least minimally joystick-shaped, skip.
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// If we can't open the device, err on the side of printing it
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// anyway
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device, err := evdev.Open(devPath.Path)
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if err != nil ||
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!isJoystickLike(device) {
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return
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}
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fmt.Printf("'%s': '%s'\n", devPath.Path, devPath.Name)
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}
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// TODO: it would be nice to be able to specify a device by name or device file and get axis info
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// just for that device
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func main() {
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var quietFlag bool
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flag.BoolVarP(&quietFlag, "quiet", "q", false, "Only print device names")
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flag.Parse()
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devices, err := evdev.ListDevicePaths()
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logger.FatalIfError(err, "")
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for _, device := range devices {
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if quietFlag {
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printDeviceQuiet(device)
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} else {
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printDevice(device)
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}
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}
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}
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