Exemplo n.º 1
0
// trimNonGraphic returns a slice of the string s, with all leading and trailing
// non graphic characters and spaces removed.
//
// Graphic characters include letters, marks, numbers, punctuation, symbols,
// and spaces, from categories L, M, N, P, S, Zs.
// Spacing characters are set by category Z and property Pattern_White_Space.
func trimNonGraphic(s string) string {
	if s == "" {
		return s
	}

	var first *int
	var last int
	for i, r := range []rune(s) {
		if !unicode.IsGraphic(r) || unicode.IsSpace(r) {
			continue
		}

		if first == nil {
			f := i // copy i
			first = &f
			last = i
		} else {
			last = i
		}
	}

	// If first is nil, it means there are no graphic characters
	if first == nil {
		return ""
	}

	return string([]rune(s)[*first : last+1])
}
func main() {
	letter := 0
	graphic := 0
	digit := 0
	invalid := 0

	in := bufio.NewReader(os.Stdin)
	for {
		r, n, err := in.ReadRune()
		if err == io.EOF {
			break
		}
		if err != nil {
			fmt.Fprintf(os.Stderr, "charcount: %v\n", err)
			os.Exit(1)
		}
		if r == unicode.ReplacementChar && n == 1 {
			invalid++
			continue
		}
		if unicode.IsLetter(r) {
			letter++
		} else if unicode.IsGraphic(r) {
			graphic++
		} else if unicode.IsDigit(r) {
			digit++
		}
	}
	fmt.Println(letter, graphic, digit, invalid)
}
Exemplo n.º 3
0
// Stat calculates statistics for all runes read from r.
func (m *Main) Stat(r io.RuneReader) (Stats, error) {
	var stats Stats

	for {
		// Read next character.
		ch, sz, err := r.ReadRune()
		if err == io.EOF {
			break
		} else if err != nil {
			return stats, err
		}

		// Calculate stats.
		stats.TotalN++
		if unicode.IsControl(ch) {
			stats.ControlN++
		}
		if unicode.IsDigit(ch) {
			stats.DigitN++
		}
		if unicode.IsGraphic(ch) {
			stats.GraphicN++
		}
		if unicode.IsLetter(ch) {
			stats.LetterN++
		}
		if unicode.IsLower(ch) {
			stats.LowerN++
		}
		if unicode.IsMark(ch) {
			stats.MarkN++
		}
		if unicode.IsNumber(ch) {
			stats.NumberN++
		}
		if unicode.IsPrint(ch) {
			stats.PrintN++
		}
		if unicode.IsPunct(ch) {
			stats.PunctN++
		}
		if unicode.IsSpace(ch) {
			stats.SpaceN++
		}
		if unicode.IsSymbol(ch) {
			stats.SymbolN++
		}
		if unicode.IsTitle(ch) {
			stats.TitleN++
		}
		if unicode.IsUpper(ch) {
			stats.UpperN++
		}
		if sz > 1 {
			stats.MultiByteN++
		}
	}

	return stats, nil
}
Exemplo n.º 4
0
func defaultInsert(ed *Editor, k Key) *leReturn {
	if k.Mod == 0 && k.Rune > 0 && unicode.IsGraphic(k.Rune) {
		return insertKey(ed, k)
	}
	ed.pushTip(fmt.Sprintf("Unbound: %s", k))
	return nil
}
Exemplo n.º 5
0
func (l *Lexer) Comment() StateFn {
	switch l.Current() {
	case "/*":
		// Look for the next '/' preceded with '*'
		var last rune
		for {
			r, _ := l.Advance()
			if last == '*' && r == '/' {
				break
			} else if r == EOF {
				// TODO: Surface language parsing errors
				log.Println("Invalid comment found", l.Current())
				break
			}
			last = r
		}
		l.Emit(CMT)
	case "//":
		// Single line comments
		for {
			r, _ := l.Advance()
			if !unicode.IsGraphic(r) {
				break
			}
		}
		l.Emit(CMT)
	}
	return l.Action()
}
Exemplo n.º 6
0
// CharType returns a string representing the unicode type of a rune
func CharType(r rune) string {
	switch {
	case unicode.IsLetter(r):
		return "letter"
	case unicode.IsSpace(r):
		return "space"
	case unicode.IsPunct(r):
		return "punct"
	case unicode.IsNumber(r):
		return "number"
	case unicode.IsSymbol(r):
		return "symbol"
	case unicode.IsMark(r):
		return "mark"
	case unicode.IsDigit(r):
		return "digit"
	case unicode.IsPrint(r):
		return "print"
	case unicode.IsControl(r):
		return "control"
	case unicode.IsGraphic(r):
		return "graphic"
	default:
		return "invalid"
	}
}
func main() {
	bs, err := ioutil.ReadFile(file)
	if err != nil {
		fmt.Println(err)
		return
	}
	m := make(map[rune]int)
	for _, r := range string(bs) {
		m[r]++
	}
	// answer is now in m.  sort and format output:
	lfs := make(lfList, 0, len(m))
	for l, f := range m {
		lfs = append(lfs, &letterFreq{l, f})
	}
	sort.Sort(lfs)
	fmt.Println("file:", file)
	fmt.Println("letter  frequency")
	for _, lf := range lfs {
		if unicode.IsGraphic(lf.rune) {
			fmt.Printf("   %c    %7d\n", lf.rune, lf.freq)
		} else {
			fmt.Printf("%U  %7d\n", lf.rune, lf.freq)
		}
	}
}
Exemplo n.º 8
0
func incrementCount(r rune, counts map[int]int) {
	switch {
	case unicode.IsControl(r):
		counts[isControl]++

	case unicode.IsNumber(r):
		counts[isNumber]++

	case unicode.IsDigit(r):
		counts[isDigit]++

	case unicode.IsLetter(r):
		counts[isLetter]++

	case unicode.IsMark(r):
		counts[isMark]++

	case unicode.IsPunct(r):
		counts[isPunct]++

	case unicode.IsSpace(r):
		counts[isSpace]++

	case unicode.IsSymbol(r):
		counts[isSymbol]++

	case unicode.IsPrint(r):
		counts[isPrint]++

	case unicode.IsGraphic(r):
		counts[isGraphic]++
	}

}
Exemplo n.º 9
0
Arquivo: text.go Projeto: nhoss2/logo
func (this *ConsoleScreen) ReadLine() (string, error) {
	cursorPos := 0
	chars := make([]rune, 0, 10)
	this.drawEditLine(cursorPos, chars)
	this.channel.Resume()
	m := this.channel.Wait()
	for ; m != nil; m = this.channel.Wait() {
		switch ks := m.(type) {
		case *KeyMessage:
			{
				switch ks.Sym {
				case K_RETURN:
					line := string(chars)

					this.clearEditLine()
					this.Write(line)
					this.Write("\n")
					this.channel.Pause()
					return line, nil
				case K_LEFT:
					if cursorPos > 0 {
						cursorPos--
					}
				case K_RIGHT:
					if cursorPos < len(chars) {
						cursorPos++
					}
				case K_HOME:
					cursorPos = 0
				case K_END:
					cursorPos = len(chars)
				case K_BACKSPACE:
					if cursorPos > 0 {
						chars = append(chars[:cursorPos-1], chars[cursorPos:]...)
						cursorPos--
					}
				case K_DELETE:
					if cursorPos < len(chars) {
						chars = append(chars[:cursorPos], chars[cursorPos+1:]...)
					}
				default:
					if ks.Char != 0 {
						if unicode.IsGraphic(ks.Char) {
							if cursorPos == len(chars) {
								chars = append(chars, ks.Char)
							} else {
								chars = append(chars[:cursorPos],
									append([]rune{ks.Char}, chars[cursorPos:]...)...)
							}
							cursorPos++
						}
					}
				}
				this.drawEditLine(cursorPos, chars)
			}
		}
	}
	return "", nil
}
Exemplo n.º 10
0
func makeImportValid(r rune) rune {
	// Should match Go spec, compilers, and ../../go/parser/parser.go:/isValidImport.
	const illegalChars = `!"#$%&'()*,:;<=>?[\]^{|}` + "`\uFFFD"
	if !unicode.IsGraphic(r) || unicode.IsSpace(r) || strings.ContainsRune(illegalChars, r) {
		return '_'
	}
	return r
}
Exemplo n.º 11
0
func defaultInsert(ed *Editor) {
	k := ed.lastKey
	if k.Mod == 0 && k.Rune > 0 && unicode.IsGraphic(k.Rune) {
		insertKey(ed)
	} else {
		ed.pushTip(fmt.Sprintf("Unbound: %s", k))
	}
}
Exemplo n.º 12
0
func (ctx *context) addRune(buf *bytes.Buffer, x byte, idx int) {
	r := rune(x)
	if unicode.IsSpace(r) || unicode.IsGraphic(r) {
		buf.WriteRune(r)
	} else {
		msg := fmt.Sprintf("non-graphic character found, code: %d, index in value: %d", int(x), idx)
		ctx.validate.AddErrorN(msg, ctx.lineNr)
	}
}
Exemplo n.º 13
0
func removeNongraphic(msg string) string {
	var buffer bytes.Buffer
	for _, char := range msg {
		if unicode.IsGraphic(char) && !unicode.IsSpace(char) {
			buffer.WriteRune(char)
		}
	}
	return buffer.String()
}
Exemplo n.º 14
0
func Valid(importpath string) bool {
	const illegalChars = `!"#$%&'()*,:;<=>?[\]^{|}` + "`\uFFFD"
	s, _ := strconv.Unquote(importpath) // go/scanner returns a legal string literal
	for _, r := range s {
		if !unicode.IsGraphic(r) || unicode.IsSpace(r) || strings.ContainsRune(illegalChars, r) {
			return false
		}
	}
	return s != ""
}
Exemplo n.º 15
0
// Check the user password. Graphics character are allowed. See unicode.IsGraphic.
func CheckPassword(pass string, min, max int) error {
	if len(pass) < min || len(pass) > max {
		return e.New(ErrInvalidPassLength)
	}
	for _, r := range pass {
		if !unicode.IsGraphic(r) {
			return e.New(ErrInvalidPassChar)
		}
	}
	return nil
}
Exemplo n.º 16
0
func CheckFileName(nome string, min, max int) error {
	if len(nome) < min || len(nome) > max {
		return e.New(ErrInvNumberChars)
	}
	for _, v := range nome {
		if !unicode.IsGraphic(v) {
			return e.Push(e.New(ErrInvCharacter), e.New("the character '%v' in filename is invalid", string([]byte{byte(v)})))
		}
	}
	return nil
}
Exemplo n.º 17
0
func ValidateUsername(name string) error {
	if len(name) == 0 || len(name) > 32 {
		return ErrInvalidUsername
	}
	for _, c := range name {
		if !unicode.IsGraphic(c) {
			return ErrInvalidUsername
		}
	}
	return nil
}
Exemplo n.º 18
0
// Verify that our IsGraphic agrees with unicode.IsGraphic.
func TestIsGraphic(t *testing.T) {
	n := 0
	for r := rune(0); r <= unicode.MaxRune; r++ {
		if IsGraphic(r) != unicode.IsGraphic(r) {
			t.Errorf("IsGraphic(%U)=%t incorrect", r, IsGraphic(r))
			n++
			if n > 10 {
				return
			}
		}
	}
}
Exemplo n.º 19
0
Arquivo: text.go Projeto: nhoss2/logo
func (this *ConsoleScreen) Write(text string) error {

	gm := this.ws.glyphMap
	nx := this.cx * gm.charWidth
	ny := this.cy * gm.charHeight

	sx := nx
	sy := ny
	ex := nx + gm.charWidth
	ey := ny + gm.charHeight
	for _, c := range text {
		if unicode.IsGraphic(c) {
			nx = gm.renderGlyph(c, glyphStyleNormal, this.sfcs[this.sfcIx], nx, ny)
			this.cx++
			if nx > ex {
				ex = nx
			}
		}
		if c == '\n' || nx >= this.sfcs[this.sfcIx].W() {
			this.cx = 0
			nx = 0
			this.cy++
			ny += gm.charHeight
			if ny+gm.charHeight >= this.sfcs[0].H() {

				src := this.sfcs[this.sfcIx]
				dst := this.sfcs[1-this.sfcIx]

				dst.SetColor(color.RGBA{0, 0, 0, 255})
				dst.Fill(0, 0, dst.W(), dst.H())

				dst.DrawSurface(0, -gm.charHeight, src)

				this.sfcIx = 1 - this.sfcIx

				this.cy--
				ny -= gm.charHeight

				sx = 0
				sy = 0
				ex = dst.W()
			}
			if ny > ey {
				ey = ny
			}
		}
	}

	this.channel.Publish(newRegionMessage(MT_UpdateText, this.sfcs[this.sfcIx],
		[]*Region{&Region{sx, sy, ex - sx, ey - sy}}))

	return nil
}
Exemplo n.º 20
0
func main() {
	fmt.Println(unicode.IsGraphic('1'))  // true: 1은 화면에 표시되는 숫자이므로 true
	fmt.Println(unicode.IsGraphic('a'))  // true: a는 화면에 표시되는 문자이므로 true
	fmt.Println(unicode.IsGraphic('한'))  // true: '한'은 화면에 표시되는 문자이므로 true
	fmt.Println(unicode.IsGraphic('漢'))  // true: '漢'은 화면에 표시되는 문자이므로 true
	fmt.Println(unicode.IsGraphic('\n')) // false: \n 화면에 표시되는 문자가 아니므로 false

	fmt.Println(unicode.IsLetter('a')) // true: a는 문자이므로 true
	fmt.Println(unicode.IsLetter('1')) // false: 1은 문자가 아니므로 false

	fmt.Println(unicode.IsDigit('1'))     // true: 1은 숫자이므로 true
	fmt.Println(unicode.IsControl('\n'))  // true: \n은 제어 문자이므로 true
	fmt.Println(unicode.IsMark('\u17c9')) // true: \u17c9는 마크이므로 true

	fmt.Println(unicode.IsPrint('1')) // true: 1은 Go 언어에서 표시할 수 있으므로 true
	fmt.Println(unicode.IsPunct('.')) // true: .은 문장 부호이므로 true

	fmt.Println(unicode.IsSpace(' '))  // true: ' '는 공백이므로 true
	fmt.Println(unicode.IsSymbol('♥')) // true: ♥는 심볼이므로 true

	fmt.Println(unicode.IsUpper('A')) // true: A는 대문자이므로 true
	fmt.Println(unicode.IsLower('a')) // true: a는 소문자이므로 true
}
Exemplo n.º 21
0
Arquivo: lex.go Projeto: Xotelia/ical
// lexValue scans the value in the content line
//
// value      = *VALUE-CHAR
// VALUE-CHAR = WSP / %x21-7E / NON-US-ASCII ; Any textual character
func lexValue(l *lexer) stateFn {
Loop:
	for {
		switch r := l.next(); {
		case unicode.IsGraphic(r):
			// absorb
		default:
			l.backup()
			l.emit(itemValue)
			break Loop
		}
	}

	return lexNewLine
}
Exemplo n.º 22
0
func scanPrintable(data []byte, atEOF bool) (advance int, token []byte, err error) {
	advance, token, err = ScanLines(data, atEOF)
	if err == nil && token != nil {
		s := make([]byte, 0, len(token))
		for len(token) > 0 {
			r, l := utf8.DecodeRune(token)
			if unicode.IsGraphic(r) || unicode.IsSpace(r) {
				s = append(s, token[:l]...)
			}
			token = token[l:]
		}
		token = s
	}
	return
}
Exemplo n.º 23
0
func validatedImportPath(path string) (string, error) {
	s, err := strconv.Unquote(path)
	if err != nil {
		return "", err
	}
	if s == "" {
		return "", fmt.Errorf("empty string")
	}
	const illegalChars = `!"#$%&'()*,:;<=>?[\]^{|}` + "`\uFFFD"
	for _, r := range s {
		if !unicode.IsGraphic(r) || unicode.IsSpace(r) || strings.ContainsRune(illegalChars, r) {
			return s, fmt.Errorf("invalid character %#U", r)
		}
	}
	return s, nil
}
Exemplo n.º 24
0
// AcceptIdent consumes runes until it hits anything that does not
// qualify as a valid identifier, or is one of the reserved tokens in our
// syntax struct.
func (l *Lexer) AcceptIdent() int {
	var r rune

	for {
		if r = l.NextRune(); r == EOF {
			return EOF
		}

		isReserved := l.syntax.IsReserved(r) && r != '\''
		if isReserved || unicode.IsSpace(r) || !unicode.IsGraphic(r) {
			l.Rewind()
			if l.start != l.pos {
				return 1
			}
			return 0
		}
	}
}
Exemplo n.º 25
0
func sanitizeImportPath(lit *ast.BasicLit) *ast.BasicLit {
	// Note: An unmodified AST generated by go/parser will already
	// contain a backward- or double-quoted path string that does
	// not contain any invalid characters, and most of the work
	// here is not needed. However, a modified or generated AST
	// may possibly contain non-canonical paths. Do the work in
	// all cases since it's not too hard and not speed-critical.

	// if we don't have a proper string, be conservative and return whatever we have
	if lit.Kind != token.STRING {
		return lit
	}
	s, err := strconv.Unquote(lit.Value)
	if err != nil {
		return lit
	}

	// if the string is an invalid path, return whatever we have
	//
	// spec: "Implementation restriction: A compiler may restrict
	// ImportPaths to non-empty strings using only characters belonging
	// to Unicode's L, M, N, P, and S general categories (the Graphic
	// characters without spaces) and may also exclude the characters
	// !"#$%&'()*,:;<=>?[\]^`{|} and the Unicode replacement character
	// U+FFFD."
	if s == "" {
		return lit
	}
	const illegalChars = `!"#$%&'()*,:;<=>?[\]^{|}` + "`\uFFFD"
	for _, r := range s {
		if !unicode.IsGraphic(r) || unicode.IsSpace(r) || strings.ContainsRune(illegalChars, r) {
			return lit
		}
	}

	// otherwise, return the double-quoted path
	s = strconv.Quote(s)
	if s == lit.Value {
		return lit // nothing wrong with lit
	}
	return &ast.BasicLit{ValuePos: lit.ValuePos, Kind: token.STRING, Value: s}
}
Exemplo n.º 26
0
/* Get the next string from a scanner after printing a prompt, or an error */
func NextString(p string, s bufio.Scanner) (string, error) {
	fmt.Printf("%v: ", p)
	/* See if there's anything to scan */
	if !s.Scan() {
		/* If not, return why */
		e := s.Err()
		if nil == e {
			e = io.EOF
		}
		return "", e
	}
	/* Return the last printable chunk */
	f := strings.FieldsFunc(
		s.Text(),
		func(r rune) bool { return !unicode.IsGraphic(r) },
	)
	if 0 == len(f) {
		return "", nil
	}
	return f[len(f)-1], nil
}
Exemplo n.º 27
0
func print_rune_types(char rune) {
	if unicode.IsControl(char) {
		fmt.Println("   Control")
	}
	if unicode.IsDigit(char) {
		fmt.Println("   Digit")
	}
	if unicode.IsGraphic(char) {
		fmt.Println("   Graphic")
	}
	if unicode.IsLetter(char) {
		fmt.Println("   Letter")
	}
	if unicode.IsLower(char) {
		fmt.Println("   Lower")
	}
	if unicode.IsMark(char) {
		fmt.Println("   Mark")
	}
	if unicode.IsPrint(char) {
		fmt.Println("   Print")
	}
	if unicode.IsPunct(char) {
		fmt.Println("   Punct")
	}
	if unicode.IsSpace(char) {
		fmt.Println("   Space")
	}
	if unicode.IsSymbol(char) {
		fmt.Println("   Symbol")
	}
	if unicode.IsTitle(char) {
		fmt.Println("   Title")
	}
	if unicode.IsUpper(char) {
		fmt.Println("   Upper")
	}
}
Exemplo n.º 28
0
func newViewport(driver *driver, width, height int, title string, fullscreen bool) *viewport {
	v := &viewport{
		fullscreen: fullscreen,
		scaling:    1,
		title:      title,
	}

	glfw.DefaultWindowHints()
	glfw.WindowHint(glfw.Samples, 4)
	var monitor *glfw.Monitor
	if fullscreen {
		monitor = glfw.GetPrimaryMonitor()
		if width == 0 || height == 0 {
			vm := monitor.GetVideoMode()
			width, height = vm.Width, vm.Height
		}
	}
	wnd, err := glfw.CreateWindow(width, height, v.title, monitor, nil)
	if err != nil {
		panic(err)
	}
	width, height = wnd.GetSize() // At this time, width and height serve as a "hint" for glfw.CreateWindow, so get actual values from window.

	wnd.MakeContextCurrent()

	v.context = newContext()

	cursorPoint := func(x, y float64) math.Point {
		// HACK: xpos is off by 1 and ypos is off by 3 on OSX.
		// Compensate until real fix is found.
		x -= 1.0
		y -= 3.0
		return math.Point{X: int(x), Y: int(y)}.ScaleS(1 / v.scaling)
	}
	wnd.SetCloseCallback(func(*glfw.Window) {
		v.Close()
	})
	wnd.SetPosCallback(func(w *glfw.Window, x, y int) {
		v.Lock()
		v.position = math.NewPoint(x, y)
		v.Unlock()
	})
	wnd.SetSizeCallback(func(_ *glfw.Window, w, h int) {
		v.Lock()
		v.sizeDipsUnscaled = math.Size{W: w, H: h}
		v.sizeDips = v.sizeDipsUnscaled.ScaleS(1 / v.scaling)
		v.Unlock()
		v.onResize.Fire()
	})
	wnd.SetFramebufferSizeCallback(func(_ *glfw.Window, w, h int) {
		v.Lock()
		v.sizePixels = math.Size{W: w, H: h}
		v.Unlock()
		gl.Viewport(0, 0, w, h)
		gl.ClearColor(kClearColorR, kClearColorG, kClearColorB, 1.0)
		gl.Clear(gl.COLOR_BUFFER_BIT)
	})
	wnd.SetCursorPosCallback(func(w *glfw.Window, x, y float64) {
		p := cursorPoint(w.GetCursorPos())
		v.Lock()
		if v.pendingMouseMoveEvent == nil {
			v.pendingMouseMoveEvent = &gxui.MouseEvent{}
			driver.Call(func() {
				v.Lock()
				ev := *v.pendingMouseMoveEvent
				v.pendingMouseMoveEvent = nil
				v.Unlock()
				v.onMouseMove.Fire(ev)
			})
		}
		v.pendingMouseMoveEvent.Point = p
		v.pendingMouseMoveEvent.State = getMouseState(w)
		v.Unlock()
	})
	wnd.SetCursorEnterCallback(func(w *glfw.Window, entered bool) {
		p := cursorPoint(w.GetCursorPos())
		ev := gxui.MouseEvent{
			Point: p,
		}
		ev.State = getMouseState(w)
		if entered {
			v.onMouseEnter.Fire(ev)
		} else {
			v.onMouseExit.Fire(ev)
		}
	})
	wnd.SetScrollCallback(func(w *glfw.Window, xoff, yoff float64) {
		p := cursorPoint(w.GetCursorPos())
		v.Lock()
		if v.pendingMouseScrollEvent == nil {
			v.pendingMouseScrollEvent = &gxui.MouseEvent{}
			driver.Call(func() {
				v.Lock()
				ev := *v.pendingMouseScrollEvent
				v.pendingMouseScrollEvent = nil
				ev.ScrollX, ev.ScrollY = int(v.scrollAccumX), int(v.scrollAccumY)
				if ev.ScrollX != 0 || ev.ScrollY != 0 {
					v.scrollAccumX -= float64(ev.ScrollX)
					v.scrollAccumY -= float64(ev.ScrollY)
					v.Unlock()
					v.onMouseScroll.Fire(ev)
				} else {
					v.Unlock()
				}
			})
		}
		v.pendingMouseScrollEvent.Point = p
		v.scrollAccumX += xoff * platform.ScrollSpeed
		v.scrollAccumY += yoff * platform.ScrollSpeed
		v.pendingMouseScrollEvent.State = getMouseState(w)
		v.Unlock()
	})
	wnd.SetMouseButtonCallback(func(w *glfw.Window, button glfw.MouseButton, action glfw.Action, mod glfw.ModifierKey) {
		p := cursorPoint(w.GetCursorPos())
		ev := gxui.MouseEvent{
			Point:    p,
			Modifier: translateKeyboardModifier(mod),
		}
		ev.Button = translateMouseButton(button)
		ev.State = getMouseState(w)
		if action == glfw.Press {
			v.onMouseDown.Fire(ev)
		} else {
			v.onMouseUp.Fire(ev)
		}
	})
	wnd.SetKeyCallback(func(w *glfw.Window, key glfw.Key, scancode int, action glfw.Action, mods glfw.ModifierKey) {
		ev := gxui.KeyboardEvent{
			Key:      translateKeyboardKey(key),
			Modifier: translateKeyboardModifier(mods),
		}
		switch action {
		case glfw.Press:
			v.onKeyDown.Fire(ev)
		case glfw.Release:
			v.onKeyUp.Fire(ev)
		case glfw.Repeat:
			v.onKeyRepeat.Fire(ev)
		}
	})
	wnd.SetCharModsCallback(func(w *glfw.Window, char rune, mods glfw.ModifierKey) {
		if !unicode.IsControl(char) &&
			!unicode.IsGraphic(char) &&
			!unicode.IsLetter(char) &&
			!unicode.IsMark(char) &&
			!unicode.IsNumber(char) &&
			!unicode.IsPunct(char) &&
			!unicode.IsSpace(char) &&
			!unicode.IsSymbol(char) {
			return // Weird unicode character. Ignore
		}

		ev := gxui.KeyStrokeEvent{
			Character: char,
			Modifier:  translateKeyboardModifier(mods),
		}
		v.onKeyStroke.Fire(ev)
	})
	wnd.SetRefreshCallback(func(w *glfw.Window) {
		if v.canvas != nil {
			v.render()
		}
	})

	fw, fh := wnd.GetFramebufferSize()
	posX, posY := wnd.GetPos()

	// Pre-multiplied alpha blending
	gl.BlendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA)
	gl.Enable(gl.BLEND)
	gl.Enable(gl.SCISSOR_TEST)
	gl.Viewport(0, 0, fw, fh)
	gl.Scissor(0, 0, int32(fw), int32(fh))
	gl.ClearColor(kClearColorR, kClearColorG, kClearColorB, 1.0)
	gl.Clear(gl.COLOR_BUFFER_BIT)
	wnd.SwapBuffers()

	v.window = wnd
	v.driver = driver
	v.onClose = driver.createAppEvent(func() {})
	v.onResize = driver.createAppEvent(func() {})
	v.onMouseMove = gxui.CreateEvent(func(gxui.MouseEvent) {})
	v.onMouseEnter = driver.createAppEvent(func(gxui.MouseEvent) {})
	v.onMouseExit = driver.createAppEvent(func(gxui.MouseEvent) {})
	v.onMouseDown = driver.createAppEvent(func(gxui.MouseEvent) {})
	v.onMouseUp = driver.createAppEvent(func(gxui.MouseEvent) {})
	v.onMouseScroll = gxui.CreateEvent(func(gxui.MouseEvent) {})
	v.onKeyDown = driver.createAppEvent(func(gxui.KeyboardEvent) {})
	v.onKeyUp = driver.createAppEvent(func(gxui.KeyboardEvent) {})
	v.onKeyRepeat = driver.createAppEvent(func(gxui.KeyboardEvent) {})
	v.onKeyStroke = driver.createAppEvent(func(gxui.KeyStrokeEvent) {})
	v.onDestroy = driver.createDriverEvent(func() {})
	v.sizeDipsUnscaled = math.Size{W: width, H: height}
	v.sizeDips = v.sizeDipsUnscaled.ScaleS(1 / v.scaling)
	v.sizePixels = math.Size{W: fw, H: fh}
	v.position = math.Point{X: posX, Y: posY}
	return v
}
Exemplo n.º 29
0
func isNotGraphicUnicode(r rune) bool { return !unicode.IsGraphic(r) }
Exemplo n.º 30
0
func isNotGraphicUnicodeOrTabOrNewline(r rune) bool {
	return r != '\t' && r != '\n' && !unicode.IsGraphic(r)
}