Further implementation of UI
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parent
494ac4a1e3
commit
4a516cbed8
187
cmd/ui/ui.go
187
cmd/ui/ui.go
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@ -1,18 +1,23 @@
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package main
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import (
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"fmt"
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"io"
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"log"
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"math"
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"net"
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"os/exec"
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"strings"
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"time"
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"github.com/eiannone/keyboard"
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"github.com/gdamore/tcell"
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"github.com/guillermo/go.procmeminfo"
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"github.com/rivo/tview"
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)
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const (
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CMD_FINDMNT = "/usr/bin/findmnt"
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CMD_FIM = "/usr/local/bin/pf-fim.sh"
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SLIDESHOW_INTERVAL = 300 * time.Second
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)
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@ -99,24 +104,178 @@ func main() {
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}()
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// Run fim
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if err := fim.Run(); err != nil {
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// Unwrap the error a bit so we can find out if a signal killed fim or something else
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// An exit code of -1 means the program didn't exit in time or was terminated by a signal (per the docs)
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if exitError, ok := err.(*exec.ExitError); ok && exitError.ExitCode() != -1 {
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log.Fatalf("Error running fim : %s", err)
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}
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}
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// if err := fim.Run(); err != nil {
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// // Unwrap the error a bit so we can find out if a signal killed fim or something else
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// // An exit code of -1 means the program didn't exit in time or was terminated by a signal (per the docs)
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// if exitError, ok := err.(*exec.ExitError); ok && exitError.ExitCode() != -1 {
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// log.Fatalf("Error running fim : %s", err)
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// }
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// }
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// Stop fim slideshow advancing go routine
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close(stop_ticker)
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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.Printf("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, _ := 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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filesystems := strings.Split(strings.Trim(string(findmntOut), "\n"), "\n")
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// Run config UI when slideshow stops
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app := tview.NewApplication()
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frame := tview.NewFrame(tview.NewBox().SetBackgroundColor(tcell.ColorBlack)).
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SetBorders(2, 2, 2, 2, 4, 4).
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AddText("PiFrame", true, tview.AlignCenter, tcell.ColorWhite).
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AddText("Configuration Utility", true, tview.AlignCenter, tcell.ColorRed)
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if err := app.SetRoot(frame, true).EnableMouse(true).Run(); err != nil {
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log.Fatalf("Error running UI : %s", err)
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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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SetSelectedFunc(func() {
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app.Stop()
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})
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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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SetSelectedFunc(func() {
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app.Stop()
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})
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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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SetSelectedFunc(func() {
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app.Stop()
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})
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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.NewFlex().
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SetDirection(tview.FlexRow)
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menu.SetTitle("Menu").
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SetBorder(true).
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SetTitleColor(tcell.ColorAqua)
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// Setup main panel (Center column)
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main := tview.NewFlex().
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SetDirection(tview.FlexRow)
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main.SetTitle("").
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SetBorder(true)
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// Side bar fields
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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(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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// Main UI
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grid := 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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grid.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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// Show UI and panic if there are any errors
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if err := app.SetRoot(grid, true).EnableMouse(false).Run(); err != nil {
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panic(err)
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}
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}
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