144 lines
3.3 KiB
Go
144 lines
3.3 KiB
Go
package cmd
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import (
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"fmt"
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"github.com/jroimartin/gocui"
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"log"
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)
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func ui() {
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g, err := gocui.NewGui(gocui.Output256)
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if err != nil {
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log.Panicln(err)
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}
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defer g.Close()
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g.SetManagerFunc(layout)
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g.Mouse = false
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//g.Cursor = true
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initKeybindings(g)
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if err := g.MainLoop(); err != nil && err != gocui.ErrQuit {
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log.Panicln(err)
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}
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}
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func quit(*gocui.Gui, *gocui.View) error {
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return gocui.ErrQuit
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}
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// func sendmsg(g *gocui.Gui, v *gocui.View) error {
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// chatbox, err := g.View("chatbox")
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// textarea, err := g.View("textarea")
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// if err != nil {
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// log.Panicln(err)
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// }
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// message := textarea.Buffer()
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// msg := string(message)
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// if msg == "" {
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// return nil
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// }
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//
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// fmt.Fprint(chatbox, msg)
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// textarea.Clear()
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// textarea.SetCursor(0, 0)
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// return nil
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// }
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func initKeybindings(g *gocui.Gui) error {
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if err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone, quit); err != nil {
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log.Panicln(err)
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}
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// if err := g.SetKeybinding("button", gocui.MouseLeft, gocui.ModNone, sendmsg); err != nil {
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// log.Panicln(err)
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// }
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//
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if err := g.SetKeybinding("songSelection", gocui.KeyArrowDown, gocui.ModNone, func(g *gocui.Gui, v *gocui.View) error {
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scrollSongs(v, +1)
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return nil
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}); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("songSelection", gocui.KeyArrowUp, gocui.ModNone, func(g *gocui.Gui, v *gocui.View) error {
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scrollSongs(v, -1)
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return nil
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}); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("songSelection", gocui.KeyEnter, gocui.ModNone, playSong); err != nil {
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log.Panicln(err)
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}
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return nil
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}
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func scrollSongs(v *gocui.View, dy int) error {
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_, currentY := v.Cursor()
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songs := v.BufferLines()
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if currentY == len(songs)-2 && dy == +1 {
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v.SetCursor(0, 0)
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} else if currentY == 0 && dy == -1 {
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v.SetCursor(0, len(songs)-2)
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} else {
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v.SetCursor(0, currentY+dy)
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}
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return nil
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}
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func playSong(g *gocui.Gui, v *gocui.View) error {
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currentlyPlaying, err := g.View("currentlyPlaying")
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if err != nil {
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return err
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}
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currentlyPlaying.Clear()
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_, currentlySelected := v.Cursor()
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songs := v.BufferLines()
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fmt.Fprintln(currentlyPlaying, fmt.Sprintf("Playing song number %v (%v)", currentlySelected, songs[currentlySelected]))
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// fmt.Fprintln(currentlyPlaying, len(songs))
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// fmt.Fprintln(currentlyPlaying, currentlySelected)
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return nil
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}
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func layout(g *gocui.Gui) error {
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maxX, maxY := g.Size()
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if progressViewer, err := g.SetView("progressViewer", 2, 1, maxX-2, 4); err != nil {
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if err != gocui.ErrUnknownView {
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return err
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}
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progressViewer.Title = "Progress viewer"
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}
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if songSelection, err := g.SetView("songSelection", 2, 5, maxX/2+2, maxY-2); err != nil {
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if err != gocui.ErrUnknownView {
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return err
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}
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if _, err := g.SetCurrentView("songSelection"); err != nil {
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log.Panicln(err)
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}
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for i := 0; i < 5; i++ {
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songName := fmt.Sprintf("SongNumber%v", i)
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fmt.Fprintln(songSelection, songName)
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}
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songSelection.Title = "Song selection:"
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songSelection.Wrap = true
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songSelection.Editable = false
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songSelection.Highlight = true
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songSelection.SelFgColor = gocui.ColorCyan
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}
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if currentlyPlaying, err := g.SetView("currentlyPlaying", maxX/2+4, 5, maxX-2, maxY-2); err != nil {
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if err != gocui.ErrUnknownView {
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return err
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}
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currentlyPlaying.Title = "Currently playing:"
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currentlyPlaying.Wrap = true
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}
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return nil
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}
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