469 lines
14 KiB
Go
469 lines
14 KiB
Go
package ui
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import (
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"fmt"
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"log"
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"math"
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"net"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"github.com/gdamore/tcell"
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"github.com/guillermo/go.procmeminfo"
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"github.com/knadh/koanf"
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"github.com/rivo/tview"
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"git.kemonine.info/PiFrame/utils"
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"git.kemonine.info/PiFrame/wifi"
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)
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const (
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CMD_SYSTEMCTL = "/usr/bin/systemctl"
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CMD_FINDMNT = "/usr/bin/findmnt"
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SYNCTHING_FOLDER_SKIP = ".stfolder"
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)
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const (
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PAGE_MAIN_UI = "PAGE_MAIN_UI"
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PAGE_EXIT = "PAGE_EXIT"
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PAGE_REBOOT = "PAGE_REBOOT"
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PAGE_POWEROFF = "PAGE_POWEROFF"
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)
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func ConfigGui(config *koanf.Koanf) {
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// Memory info for status panel
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meminfo := &procmeminfo.MemInfo{}
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err := meminfo.Update()
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if err != nil {
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log.Printf("Error getting memory info : %s", err)
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}
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// Network interfaces for status panel
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ifaces, err := net.Interfaces()
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if err != nil {
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log.Fatalf("Error getting netork interfaces : %s", err)
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return
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}
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// Disk use
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findmntOut, err := exec.Command(CMD_FINDMNT, "-n", "-l",
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"-o", "TARGET,USE%",
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"-t", "ext4,exfat,vfat,btrfs,zfs,xfs").Output()
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if err != nil {
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log.Fatalf("Error getting disk use : %s", err)
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}
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filesystems := strings.Split(strings.Trim(string(findmntOut), "\n"), "\n")
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// GPU Temp
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gpuTemp := fmt.Sprintf("%.2f'C", utils.GetGPUTemp())
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// CPU Temp
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cpuTemp := fmt.Sprintf("%.2f'C", utils.GetCPUTemp())
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// Get list of all folders that can be used as albums
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var albums []string
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err = filepath.Walk(config.String(CONFIG_KEY_ALBUMS_ROOT), func(path string, fi os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if fi.IsDir() {
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if strings.Contains(path, SYNCTHING_FOLDER_SKIP) {
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return nil
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}
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albumName := strings.TrimPrefix(path, config.String(CONFIG_KEY_ALBUMS_ROOT))
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if albumName == "" {
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albumName = "Main Folder"
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}
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albums = append(albums, albumName)
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}
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return nil
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})
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if err != nil {
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log.Fatalf("Error getting list of albums : %s", err)
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}
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// Run config UI when slideshow stops
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app := tview.NewApplication()
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// Header
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headerTitle := tview.NewTextView().
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SetText("PiFrame").
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SetTextAlign(tview.AlignCenter).
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SetTextColor(tcell.ColorAqua)
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headerSubTitle := tview.NewTextView().
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SetText("Management Utility").
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SetTextAlign(tview.AlignCenter).
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SetTextColor(tcell.ColorSilver)
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header := tview.NewFlex().
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SetDirection(tview.FlexRow)
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header.AddItem(headerTitle, 0, 1, false).
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AddItem(headerSubTitle, 0, 1, false)
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// Footer fields (Left Column)
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exitButton := tview.NewButton("Exit").
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SetBackgroundColorActivated(tcell.ColorGray)
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exitButton.SetLabelColor(tcell.ColorBlack).
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SetBorder(true).
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SetBorderColor(tcell.ColorBlack).
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SetBackgroundColor(tcell.ColorGreen).
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SetRect(0, 0, 22, 3)
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rebootButton := tview.NewButton("Reboot").
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SetBackgroundColorActivated(tcell.ColorGray)
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rebootButton.SetLabelColor(tcell.ColorBlack).
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SetBorder(true).
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SetBorderColor(tcell.ColorBlack).
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SetBackgroundColor(tcell.ColorYellow).
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SetRect(0, 0, 22, 3)
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powerOffButton := tview.NewButton("Power Off").
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SetBackgroundColorActivated(tcell.ColorGray)
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powerOffButton.SetLabelColor(tcell.ColorBlack).
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SetBorder(true).
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SetBorderColor(tcell.ColorBlack).
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SetBackgroundColor(tcell.ColorRed).
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SetRect(0, 0, 22, 3)
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// Footer
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footer := tview.NewFlex()
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footer.AddItem(exitButton, 0, 1, false).
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AddItem(rebootButton, 0, 1, false).
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AddItem(powerOffButton, 0, 1, false)
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// Setup menu
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menu := tview.NewList()
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menu.SetBorder(true).
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SetTitle("Menu").
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SetTitleColor(tcell.ColorAqua)
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menu.AddItem("Select Albums", "", '1', nil)
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menu.AddItem("Intervals", "", '2', nil)
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menu.AddItem("WiFi", "", '3', nil)
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menu.AddItem("HDMI On/Off", "", '5', nil)
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// Setup base var for main column so the menu setup is easier to manage
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main := tview.NewFlex().
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SetDirection(tview.FlexRow)
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// Setup main panel (Center column)
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main.SetTitle("").
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SetBorder(true).
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SetTitleColor(tcell.ColorAqua)
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// Select Albums Form
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selectAlbumsForm := tview.NewForm()
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configSelectedAlbums := config.Strings(CONFIG_KEY_ALBUMS_SELECTED)
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for _, album := range albums {
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albumSelected := false
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for _, configSelectedAlbum := range configSelectedAlbums {
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if configSelectedAlbum == "/" {
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configSelectedAlbum = "Main Folder"
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}
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if album == configSelectedAlbum {
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albumSelected = true
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}
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}
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selectAlbumsForm.AddCheckbox(album, albumSelected, nil)
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}
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selectAlbumsForm.AddButton("Apply", nil)
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selectAlbumsForm.AddButton("Cancel", func() {
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main.Clear()
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app.SetFocus(menu)
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})
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// Slide Interval Form
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intervalsForm := tview.NewForm()
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configSlideInterval := config.String(CONFIG_KEY_SLIDESHOW_INTERVAL)
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configRestartInterval := config.String(CONFIG_KEY_SLIDESHOW_RESTART_INTERVAL)
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intervalsForm.AddInputField("Slide", configSlideInterval, 0, nil, func(value string) {
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configSlideInterval = value
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})
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intervalsForm.AddInputField("Restart/Reshuffle", configRestartInterval, 0, nil, func(value string) {
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configRestartInterval = value
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})
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intervalsForm.AddButton("Apply", nil)
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intervalsForm.AddButton("Cancel", func() {
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main.Clear()
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app.SetFocus(menu)
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})
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// WiFi Config Form
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wifiConfigForm := tview.NewForm()
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wifiConfigAccessPoint := ""
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wifiConfigPassword := ""
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wifiConfigForm.AddInputField("Access Point", "", 0, nil, func(value string) {
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wifiConfigAccessPoint = value
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})
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wifiConfigForm.AddPasswordField("Password", "", 0, '*', func(value string) {
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wifiConfigPassword = value
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})
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wifiConfigForm.AddButton("Apply", func() {
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// Cleanup old wifi configs and apply new one
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nmWifi := wifi.New(wifiConfigAccessPoint, wifiConfigPassword)
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nmWifi.ApplyConfig()
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})
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wifiConfigForm.AddButton("Cancel", func() {
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main.Clear()
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app.SetFocus(menu)
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})
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// HDMI On/Off Form
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hdmiForm := tview.NewForm()
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configHDMIOff := config.String(CONFIG_KEY_HDMI_OFF)
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configHDMIOn := config.String(CONFIG_KEY_HDMI_ON)
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hdmiForm.AddInputField("HDMI Off Schedule", configHDMIOff, 0, nil, func(value string) {
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configHDMIOff = value
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})
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hdmiForm.AddInputField("HDMI On Schedule", configHDMIOn, 0, nil, func(value string) {
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configHDMIOn = value
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})
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hdmiForm.AddButton("Apply", nil)
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hdmiForm.AddButton("Cancel", func() {
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main.Clear()
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app.SetFocus(menu)
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})
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// Setup menu selection handler
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menu.SetSelectedFunc(func(index int, title string, desc string, shortcut rune) {
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if title == "Select Albums" {
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main.SetTitle("Select Albums")
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main.Clear()
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main.AddItem(selectAlbumsForm, 0, 1, true)
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app.SetFocus(selectAlbumsForm)
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}
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if title == "WiFi" {
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main.SetTitle("Configure WiFi")
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main.Clear()
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main.AddItem(wifiConfigForm, 0, 1, true)
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app.SetFocus(wifiConfigForm)
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}
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if title == "Intervals" {
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main.SetTitle("Configure Intervals")
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main.Clear()
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main.AddItem(intervalsForm, 0, 1, true)
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app.SetFocus(intervalsForm)
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}
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if title == "HDMI On/Off" {
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main.SetTitle("Configure HDMI On/Off")
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main.Clear()
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main.AddItem(hdmiForm, 0, 1, true)
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main.AddItem(tview.NewTextView().SetText("These values are date+time combos\n\nPlease see https://www.freedesktop.org/software/systemd/man/systemd.time.html for details\n\nONLY adjust the times (24h format) if unsure of what to change"), 0, 1, false)
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app.SetFocus(hdmiForm)
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}
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})
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// Side bar fields
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sideBarCPUTempTitle := tview.NewTextView().
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SetText("CPU Temperature").
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SetTextColor(tcell.ColorYellow)
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sideBarCPUTemp := tview.NewTextView().
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SetText(fmt.Sprintf(" %s", cpuTemp))
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sideBarGPUTempTitle := tview.NewTextView().
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SetText("GPU Temperature").
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SetTextColor(tcell.ColorYellow)
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sideBarGPUTemp := tview.NewTextView().
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SetText(fmt.Sprintf(" %s", gpuTemp))
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sideBarMemoryTitle := tview.NewTextView().
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SetText("Memory Use (Mb)").
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SetTextColor(tcell.ColorYellow)
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divisor := math.Pow(1024.0, 2.0)
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sideBarMemoryStats := tview.NewTextView().
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SetText(fmt.Sprintf(" %.1f / %.1f",
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float64(meminfo.Used())/divisor,
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float64(meminfo.Total())/divisor))
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sideBarSwapTitle := tview.NewTextView().
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SetText("Swap Use").
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SetTextColor(tcell.ColorYellow)
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sideBarSwapStats := tview.NewTextView().
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SetText(fmt.Sprintf(" %d%%", meminfo.Swap()))
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sideBarFilesystemTitle := tview.NewTextView().
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SetText("Disk Use").
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SetTextColor(tcell.ColorYellow)
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var sideBarFilesystems []*tview.TextView
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for _, i := range filesystems {
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filesystemAsTextView := tview.NewTextView().
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SetText(fmt.Sprintf(" %s", i))
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sideBarFilesystems = append(sideBarFilesystems, filesystemAsTextView)
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}
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sideBarIPAddressesTitle := tview.NewTextView().
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SetText("IP Addresses").
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SetTextColor(tcell.ColorYellow)
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var sideBarIPAddresses []*tview.TextView
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for _, i := range ifaces {
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addrs, err := i.Addrs()
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if err != nil {
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log.Printf("Error getting interface addresses : %s", err)
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continue
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}
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for _, a := range addrs {
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ipAsTextView := tview.NewTextView().
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SetText(fmt.Sprintf(" %v : %s", i.Name, a.String()))
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sideBarIPAddresses = append(sideBarIPAddresses, ipAsTextView)
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}
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}
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// Setup side bar (Right column)
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sideBar := tview.NewFlex().
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SetDirection(tview.FlexRow)
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sideBar.SetTitle("System Info").
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SetBorder(true).
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SetTitleColor(tcell.ColorAqua)
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sideBar.AddItem(sideBarCPUTempTitle, 1, 1, false)
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sideBar.AddItem(sideBarCPUTemp, 1, 1, false)
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sideBar.AddItem(sideBarGPUTempTitle, 1, 1, false)
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sideBar.AddItem(sideBarGPUTemp, 1, 1, false)
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sideBar.AddItem(sideBarMemoryTitle, 1, 1, false)
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sideBar.AddItem(sideBarMemoryStats, 1, 1, false)
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sideBar.AddItem(sideBarSwapTitle, 1, 1, false)
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sideBar.AddItem(sideBarSwapStats, 1, 1, false)
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sideBar.AddItem(sideBarFilesystemTitle, 1, 1, false)
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for _, filesystemAsTextView := range sideBarFilesystems {
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sideBar.AddItem(filesystemAsTextView, 1, 1, false)
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}
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sideBar.AddItem(sideBarIPAddressesTitle, 1, 1, false)
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for _, ipAsTextView := range sideBarIPAddresses {
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sideBar.AddItem(ipAsTextView, 1, 1, false)
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}
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// Pages
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pages := tview.NewPages()
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// Main UI
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mainUI := tview.NewGrid().
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SetRows(2, 0, 4).
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SetColumns(25, 50, 50).
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SetBorders(true).
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AddItem(header, 0, 0, 1, 3, 0, 0, false).
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AddItem(footer, 2, 0, 1, 3, 0, 0, false)
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mainUI.AddItem(menu, 1, 0, 1, 1, 0, 100, true).
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AddItem(main, 1, 1, 1, 1, 0, 100, false).
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AddItem(sideBar, 1, 2, 1, 1, 0, 100, false)
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pages.AddPage(PAGE_MAIN_UI, mainUI, true, true)
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// Button modals
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exitModal := tview.NewModal().
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SetText("Are you sure you want to [red]EXIT?").
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AddButtons([]string{"Yes", "Cancel"}).
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SetDoneFunc(func(buttonIndex int, buttonLabel string) {
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if buttonLabel == "Yes" {
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app.Stop()
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}
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pages.SwitchToPage(PAGE_MAIN_UI)
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})
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pages.AddPage(PAGE_EXIT, exitModal, true, false)
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exitButton.SetSelectedFunc(func() {
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pages.ShowPage(PAGE_EXIT)
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})
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rebootModal := tview.NewModal().
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SetText("Are you sure you want to [red]REBOOT?").
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AddButtons([]string{"Yes", "Cancel"}).
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SetDoneFunc(func(buttonIndex int, buttonLabel string) {
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if buttonLabel == "Yes" {
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err := exec.Command(CMD_SYSTEMCTL, "reboot").Run()
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if err != nil {
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log.Fatalf("Could not reboot : %s ", err)
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}
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}
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pages.SwitchToPage(PAGE_MAIN_UI)
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})
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pages.AddPage(PAGE_REBOOT, rebootModal, true, false)
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rebootButton.SetSelectedFunc(func() {
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pages.ShowPage(PAGE_REBOOT)
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})
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powerOffModal := tview.NewModal().
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SetText("Are you sure you want to [red]POWER [red]OFF?").
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AddButtons([]string{"Yes", "Cancel"}).
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SetDoneFunc(func(buttonIndex int, buttonLabel string) {
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if buttonLabel == "Yes" {
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err := exec.Command(CMD_SYSTEMCTL, "poweroff").Run()
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if err != nil {
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log.Fatalf("Could not power off : %s ", err)
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}
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}
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pages.SwitchToPage(PAGE_MAIN_UI)
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})
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pages.AddPage(PAGE_POWEROFF, powerOffModal, true, false)
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powerOffButton.SetSelectedFunc(func() {
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pages.ShowPage(PAGE_POWEROFF)
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})
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// Setup tracking of which are of the UI can/has focus
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primitivesThatCanFocus := []tview.Primitive{menu, exitButton, rebootButton, powerOffButton}
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currentFocus := 0
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// Setup basic switching between main menu and buttons for the UI
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app.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
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// Don't process input if we aren't on an existing element that can focus
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canContinue := false
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focusedPrimitive := app.GetFocus()
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// Override some of the default behavior so up/dn move between fields in forms
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// Per API GetFocusedItemIndex on a form will be -1 if a form item isn't currently focused
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// We use this as a bit of a cheat to figure out if we're inside of a form that needs better nav options for users (ie. tab doesn't exist on a remote)
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albumField, albumButton := selectAlbumsForm.GetFocusedItemIndex()
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intervalField, intervalButton := intervalsForm.GetFocusedItemIndex()
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wifiField, wifiButton := wifiConfigForm.GetFocusedItemIndex()
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hdmiField, hdmiButton := hdmiForm.GetFocusedItemIndex()
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if wifiField != -1 || wifiButton != -1 ||
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albumField != -1 || albumButton != -1 ||
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intervalField != -1 || intervalButton != -1 ||
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hdmiField != -1 || hdmiButton != -1 {
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switch event.Key() {
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case tcell.KeyUp:
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return tcell.NewEventKey(tcell.KeyBacktab, 0, event.Modifiers())
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case tcell.KeyDown:
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return tcell.NewEventKey(tcell.KeyTab, 0, event.Modifiers())
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}
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}
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// Standard override for the screen primitives we are using (ie. don't take over control in modals)
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for _, primitive := range primitivesThatCanFocus {
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if primitive == focusedPrimitive {
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canContinue = true
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break
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}
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}
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// Bail if we shouldn't be affecting user input
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if !canContinue {
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return event
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}
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// Add various forms of nav that make sense for a TUI (common stuff folks are used to)
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currentFocusChanged := false
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switch event.Key() {
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case tcell.KeyRight, tcell.KeyTab:
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currentFocus += 1
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if currentFocus >= len(primitivesThatCanFocus) {
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currentFocus = 0
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}
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currentFocusChanged = true
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case tcell.KeyLeft, tcell.KeyBacktab:
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currentFocus -= 1
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if currentFocus < 0 {
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currentFocus = len(primitivesThatCanFocus) - 1
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}
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currentFocusChanged = true
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}
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// Update the focus based on navigation
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if currentFocusChanged {
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app.SetFocus(primitivesThatCanFocus[currentFocus])
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return nil
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}
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// Pass through event so the main UI can process stuff properly
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return event
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})
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// Show UI and panic if there are any errors
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if err := app.SetRoot(pages, true).SetFocus(primitivesThatCanFocus[currentFocus]).EnableMouse(false).Run(); err != nil {
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log.Fatalf("Failed to run UI : ", err)
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}
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}
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