138 lines
3.4 KiB
Go
138 lines
3.4 KiB
Go
// The terminal-box driver
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package ui
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import (
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"github.com/nsf/termbox-go"
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)
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type TermboxDriver struct {
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}
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// Initializes the driver. Returns an error if there was an error
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func (td *TermboxDriver) Init() error {
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err := termbox.Init()
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if err != nil {
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return err
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}
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termbox.SetInputMode(termbox.InputAlt)
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return nil
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}
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// Closes the driver
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func (td *TermboxDriver) Close() {
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termbox.Close()
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}
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// Returns the size of the window.
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func (td *TermboxDriver) Size() (int, int) {
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return termbox.Size()
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}
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// Sets the value of a specific cell
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func (td *TermboxDriver) SetCell(x, y int, ch rune, fg, bg Attribute) {
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termbox.SetCell(x, y, ch, termbox.Attribute(fg), termbox.Attribute(bg))
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}
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// Hide the cursor
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func (td *TermboxDriver) HideCursor() {
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termbox.HideCursor()
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}
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// Synchronizes the internal buffer with the real buffer
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func (td *TermboxDriver) Sync() {
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termbox.Flush()
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}
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// Wait for an event
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func (td *TermboxDriver) WaitForEvent() Event {
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tev := termbox.PollEvent()
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switch tev.Type {
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case termbox.EventResize:
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return Event{EventResize, 0, 0}
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case termbox.EventKey:
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mod := 0
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if tev.Mod&termbox.ModAlt != 0 {
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mod = ModKeyAlt
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}
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if tev.Ch != 0 {
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return Event{EventKeyPress, mod, tev.Ch}
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} else if spec, hasSpec := termboxKeysToSpecialKeys[tev.Key]; hasSpec {
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return Event{EventKeyPress, mod, spec}
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} else {
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return Event{EventNone, mod, 0}
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}
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default:
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return Event{EventNone, 0, 0}
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}
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}
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// Move the position of the cursor
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func (td *TermboxDriver) SetCursor(x, y int) {
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termbox.SetCursor(x, y)
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}
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// Map from termbox Keys to driver key runes
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var termboxKeysToSpecialKeys = map[termbox.Key]rune{
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termbox.KeySpace: ' ',
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termbox.KeyF1: KeyF1,
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termbox.KeyF2: KeyF2,
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termbox.KeyF3: KeyF3,
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termbox.KeyF4: KeyF4,
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termbox.KeyF5: KeyF5,
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termbox.KeyF6: KeyF6,
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termbox.KeyF7: KeyF7,
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termbox.KeyF8: KeyF8,
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termbox.KeyF9: KeyF9,
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termbox.KeyF10: KeyF10,
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termbox.KeyF11: KeyF11,
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termbox.KeyF12: KeyF12,
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termbox.KeyInsert: KeyInsert,
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termbox.KeyDelete: KeyDelete,
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termbox.KeyHome: KeyHome,
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termbox.KeyEnd: KeyEnd,
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termbox.KeyPgup: KeyPgup,
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termbox.KeyPgdn: KeyPgdn,
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termbox.KeyArrowUp: KeyArrowUp,
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termbox.KeyArrowDown: KeyArrowDown,
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termbox.KeyArrowLeft: KeyArrowLeft,
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termbox.KeyArrowRight: KeyArrowRight,
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termbox.KeyCtrlSpace: KeyCtrlSpace,
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termbox.KeyCtrlA: KeyCtrlA,
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termbox.KeyCtrlB: KeyCtrlB,
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termbox.KeyCtrlC: KeyCtrlC,
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termbox.KeyCtrlD: KeyCtrlD,
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termbox.KeyCtrlE: KeyCtrlE,
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termbox.KeyCtrlF: KeyCtrlF,
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termbox.KeyCtrlG: KeyCtrlG,
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termbox.KeyCtrlH: KeyCtrlH,
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termbox.KeyCtrlI: KeyCtrlI,
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termbox.KeyCtrlJ: KeyCtrlJ,
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termbox.KeyCtrlK: KeyCtrlK,
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termbox.KeyCtrlL: KeyCtrlL,
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termbox.KeyCtrlM: KeyCtrlM,
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termbox.KeyCtrlN: KeyCtrlN,
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termbox.KeyCtrlO: KeyCtrlO,
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termbox.KeyCtrlP: KeyCtrlP,
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termbox.KeyCtrlQ: KeyCtrlQ,
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termbox.KeyCtrlR: KeyCtrlR,
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termbox.KeyCtrlS: KeyCtrlS,
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termbox.KeyCtrlT: KeyCtrlT,
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termbox.KeyCtrlU: KeyCtrlU,
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termbox.KeyCtrlV: KeyCtrlV,
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termbox.KeyCtrlW: KeyCtrlW,
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termbox.KeyCtrlX: KeyCtrlX,
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termbox.KeyCtrlY: KeyCtrlY,
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termbox.KeyCtrlZ: KeyCtrlZ,
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termbox.KeyCtrl3: KeyCtrl3,
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termbox.KeyCtrl4: KeyCtrl4,
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termbox.KeyCtrl5: KeyCtrl5,
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termbox.KeyCtrl6: KeyCtrl6,
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termbox.KeyCtrl7: KeyCtrl7,
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termbox.KeyCtrl8: KeyCtrl8,
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}
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