コード例 #1
0
ファイル: kmp.go プロジェクト: rdallman/kmp
// This function assumes it is given byte indices corresponding to a word,
// and i, n are the beginning and end of that word, respectively.
func isWord(txt string, i, n int) bool {
	if i == 0 {
		return !syntax.IsWordChar(rune(txt[n+1]))
	} else if n == len(txt)-1 {
		return !syntax.IsWordChar(rune(txt[i-1]))
	}
	return !syntax.IsWordChar(rune(txt[i-1])) && !syntax.IsWordChar(rune(txt[n+1]))
}
コード例 #2
0
ファイル: drum_machine.go プロジェクト: billyboar/GCSolutions
// handleEvent processes keyboard events an processes valid input accordingly.
func handleEvent(ev tb.Event) {
	switch term.mode {
	case cmdMode:
		if term.dm.Curr != nil {
			if ev.Ch == 'q' && term.cur.sec == 1 {
				term.dm.ClearBeats(term.cur.row)
			} else if ev.Ch == 't' {
				term.mode = tempoMode
			} else if ev.Ch == 'r' {
				term.dm.ChangeTempo(term.dm.Curr.Tempo - 2)
			} else if ev.Ch == 'y' {
				term.dm.ChangeTempo(term.dm.Curr.Tempo + 2)
			} else if ev.Ch == 'e' && term.cur.sec == 1 {
				term.dm.EnableSection(term.cur.row)
			} else if ev.Ch == 'w' && term.cur.sec == 1 {
				term.dm.ToggleBeat(term.cur.row, term.cur.col)
			} else if ev.Ch == 's' {
				term.dm.SaveCurrentSequence(term.dm.Curr.Name)
			} else if ev.Ch == 'u' {
				cr := term.cur.row
				if term.cur.sec == 1 && cr < len(term.dm.Curr.Sections)-1 {
					s := term.dm.Curr.Sections
					s[cr], s[cr+1] = s[cr+1], s[cr]
					term.cur.row++
				}
			} else if ev.Ch == 'i' {
				cr := term.cur.row
				if term.cur.sec == 1 && cr > 0 {
					s := term.dm.Curr.Sections
					s[cr], s[cr-1] = s[cr-1], s[cr]
					term.cur.row--
				}
			} else if ev.Ch == 'b' {
				term.mode = backupMode
			} else if ev.Key == tb.KeySpace {
				term.dm.TogglePlayPause()
			}
		}
		if ev.Ch == 'n' {
			term.mode = newModePickSample
			term.cur.sec = 0
			term.cur.row = 0
		} else if ev.Key == tb.KeyEnter {
			if term.cur.sec == 0 {
				term.dm.LoadSequence(term.cur.row)
			}
		} else {
			handleMovement(ev)
		}
	default:
		if ev.Ch != 0 {
			if term.mode == tempoMode {
				if unicode.IsDigit(ev.Ch) || ev.Ch == '.' {
					term.input.WriteRune(ev.Ch)
				}
			} else if term.mode == newModePickSample {
				handleMovement(ev)
			} else {
				if syntax.IsWordChar(ev.Ch) {
					term.input.WriteRune(ev.Ch)
				}
			}
		} else if ev.Key == tb.KeyEnter {
			if term.mode == tempoMode {
				f, err := strconv.ParseFloat(term.input.String(), 32)
				if err == nil {
					term.dm.ChangeTempo(float32(f))
				}
			} else if term.mode == backupMode {
				term.dm.SaveCurrentSequence(term.input.String())
			} else if term.mode == newModeEnterName {
				term.dm.NewSequence(term.input.String(), term.newSample)
			}
			term.input.Reset()
			if term.mode == newModePickSample {
				term.newSample = term.sampleNames[term.cur.row]
				term.mode = newModeEnterName
			} else {
				term.mode = cmdMode
			}
		} else if ev.Key == tb.KeyBackspace || ev.Key == tb.KeyBackspace2 {
			if term.input.Len() > 0 {
				term.input.Truncate(term.input.Len() - 1)
			}
		} else if ev.Key == tb.KeyEsc {
			term.input.Reset()
			term.mode = cmdMode
		}
	}

	drawDrumMachine()
}