示例#1
0
文件: icons.go 项目: nelsam/vidar
func createIconButton(driver gxui.Driver, theme gxui.Theme, iconPath string) gxui.Button {
	button := theme.CreateButton()
	button.SetType(gxui.PushButton)

	fileBytes, err := assets.Asset(iconPath)
	if err != nil {
		log.Printf("Error: Failed to read asset %s: %s", iconPath, err)
		return button
	}
	f := bytes.NewBuffer(fileBytes)
	src, _, err := image.Decode(f)
	if err != nil {
		log.Printf("Error: Failed to decode image %s: %s", iconPath, err)
		return button
	}
	src = resize.Resize(24, 24, src, resize.Bilinear)

	rgba := image.NewRGBA(src.Bounds())
	draw.Draw(rgba, src.Bounds(), src, image.ZP, draw.Src)
	texture := driver.CreateTexture(rgba, 1)

	icon := theme.CreateImage()
	icon.SetTexture(texture)
	button.AddChild(icon)
	return button
}
示例#2
0
文件: main.go 项目: nelsam/gxui
func appMain(driver gxui.Driver) {
	theme := flags.CreateTheme(driver)

	label := theme.CreateLabel()
	label.SetText("This is a progress bar:")

	progressBar := theme.CreateProgressBar()
	progressBar.SetDesiredSize(math.Size{W: 400, H: 20})
	progressBar.SetTarget(100)

	layout := theme.CreateLinearLayout()
	layout.AddChild(label)
	layout.AddChild(progressBar)
	layout.SetHorizontalAlignment(gxui.AlignCenter)

	window := theme.CreateWindow(800, 600, "Progress bar")
	window.SetScale(flags.DefaultScaleFactor)
	window.AddChild(layout)
	window.OnClose(driver.Terminate)

	progress := 0
	pause := time.Millisecond * 500
	var timer *time.Timer
	timer = time.AfterFunc(pause, func() {
		driver.Call(func() {
			progress = (progress + 3) % progressBar.Target()
			progressBar.SetProgress(progress)
			timer.Reset(pause)
		})
	})
}
示例#3
0
文件: main.go 项目: nelsam/vidar
func font(driver gxui.Driver) gxui.Font {
	desiredFonts := settings.DesiredFonts()
	if len(desiredFonts) == 0 {
		return nil
	}
	fontReader, err := fonts.Load(desiredFonts...)
	if err != nil {
		log.Printf("Error searching for fonts %v: %s", desiredFonts, err)
		return nil
	}
	if closer, ok := fontReader.(io.Closer); ok {
		defer closer.Close()
	}
	fontBytes, err := ioutil.ReadAll(fontReader)
	if err != nil {
		log.Printf("Failed to read font file: %s", err)
		return nil
	}
	font, err := driver.CreateFont(fontBytes, 12)
	if err != nil {
		log.Printf("Could not parse font: %s", err)
		return nil
	}
	return font
}
示例#4
0
文件: theme.go 项目: nelsam/gxui
func CreateTheme(driver gxui.Driver) gxui.Theme {
	defaultFont, err := driver.CreateFont(gxfont.Default, 12)
	if err == nil {
		defaultFont.LoadGlyphs(32, 126)
	} else {
		fmt.Printf("Warning: Failed to load default font - %v\n", err)
	}

	defaultMonospaceFont, err := driver.CreateFont(gxfont.Monospace, 12)
	if err == nil {
		defaultFont.LoadGlyphs(32, 126)
	} else {
		fmt.Printf("Warning: Failed to load default monospace font - %v\n", err)
	}

	scrollBarRailDefaultBg := gxui.Black
	scrollBarRailDefaultBg.A = 0.7

	scrollBarRailOverBg := gxui.Gray20
	scrollBarRailOverBg.A = 0.7

	neonBlue := gxui.ColorFromHex(0xFF5C8CFF)
	focus := gxui.ColorFromHex(0xA0C4D6FF)

	return &basic.Theme{
		DriverInfo:               driver,
		DefaultFontInfo:          defaultFont,
		DefaultMonospaceFontInfo: defaultMonospaceFont,
		WindowBackground:         gxui.Black,

		//                                   fontColor    brushColor   penColor
		BubbleOverlayStyle:        basic.CreateStyle(gxui.Gray80, gxui.Gray20, gxui.Gray40, 1.0),
		ButtonDefaultStyle:        basic.CreateStyle(gxui.Gray80, gxui.Gray10, gxui.Gray20, 1.0),
		ButtonOverStyle:           basic.CreateStyle(gxui.Gray90, gxui.Gray15, gxui.Gray50, 1.0),
		ButtonPressedStyle:        basic.CreateStyle(gxui.Gray20, gxui.Gray70, gxui.Gray30, 1.0),
		CodeSuggestionListStyle:   basic.CreateStyle(gxui.Gray80, gxui.Gray20, gxui.Gray10, 1.0),
		DropDownListDefaultStyle:  basic.CreateStyle(gxui.Gray80, gxui.Gray10, gxui.Gray20, 1.0),
		DropDownListOverStyle:     basic.CreateStyle(gxui.Gray80, gxui.Gray15, gxui.Gray50, 1.0),
		FocusedStyle:              basic.CreateStyle(gxui.Gray80, gxui.Transparent, focus, 1.0),
		HighlightStyle:            basic.CreateStyle(gxui.Gray80, gxui.Transparent, neonBlue, 2.0),
		LabelStyle:                basic.CreateStyle(gxui.Gray80, gxui.Transparent, gxui.Transparent, 0.0),
		PanelBackgroundStyle:      basic.CreateStyle(gxui.Gray80, gxui.Gray10, gxui.Gray15, 1.0),
		ScrollBarBarDefaultStyle:  basic.CreateStyle(gxui.Gray80, gxui.Gray30, gxui.Gray40, 1.0),
		ScrollBarBarOverStyle:     basic.CreateStyle(gxui.Gray80, gxui.Gray50, gxui.Gray60, 1.0),
		ScrollBarRailDefaultStyle: basic.CreateStyle(gxui.Gray80, scrollBarRailDefaultBg, gxui.Transparent, 1.0),
		ScrollBarRailOverStyle:    basic.CreateStyle(gxui.Gray80, scrollBarRailOverBg, gxui.Gray20, 1.0),
		SplitterBarDefaultStyle:   basic.CreateStyle(gxui.Gray80, gxui.Gray10, gxui.Gray10, 1.0),
		SplitterBarOverStyle:      basic.CreateStyle(gxui.Gray80, gxui.Gray10, gxui.Gray50, 1.0),
		TabActiveHighlightStyle:   basic.CreateStyle(gxui.Gray90, neonBlue, neonBlue, 0.0),
		TabDefaultStyle:           basic.CreateStyle(gxui.Gray80, gxui.Gray30, gxui.Gray40, 1.0),
		TabOverStyle:              basic.CreateStyle(gxui.Gray90, gxui.Gray30, gxui.Gray50, 1.0),
		TabPressedStyle:           basic.CreateStyle(gxui.Gray20, gxui.Gray70, gxui.Gray30, 1.0),
		TextBoxDefaultStyle:       basic.CreateStyle(gxui.Gray80, gxui.Gray10, gxui.Gray20, 1.0),
		TextBoxOverStyle:          basic.CreateStyle(gxui.Gray80, gxui.Gray10, gxui.Gray50, 1.0),
	}
}
示例#5
0
文件: window.go 项目: nelsam/gxui
func (w *Window) Init(outer WindowOuter, driver gxui.Driver, width, height int, title string) {
	w.Attachable.Init(outer)
	w.BackgroundBorderPainter.Init(outer)
	w.Container.Init(outer)
	w.Paddable.Init(outer)
	w.PaintChildren.Init(outer)
	w.outer = outer
	w.driver = driver

	w.onClose = gxui.CreateEvent(func() {})
	w.onResize = gxui.CreateEvent(func() {})
	w.onMouseMove = gxui.CreateEvent(func(gxui.MouseEvent) {})
	w.onMouseEnter = gxui.CreateEvent(func(gxui.MouseEvent) {})
	w.onMouseExit = gxui.CreateEvent(func(gxui.MouseEvent) {})
	w.onMouseDown = gxui.CreateEvent(func(gxui.MouseEvent) {})
	w.onMouseUp = gxui.CreateEvent(func(gxui.MouseEvent) {})
	w.onMouseScroll = gxui.CreateEvent(func(gxui.MouseEvent) {})
	w.onKeyDown = gxui.CreateEvent(func(gxui.KeyboardEvent) {})
	w.onKeyUp = gxui.CreateEvent(func(gxui.KeyboardEvent) {})
	w.onKeyRepeat = gxui.CreateEvent(func(gxui.KeyboardEvent) {})
	w.onKeyStroke = gxui.CreateEvent(func(gxui.KeyStrokeEvent) {})

	w.onClick = gxui.CreateEvent(func(gxui.MouseEvent) {})
	w.onDoubleClick = gxui.CreateEvent(func(gxui.MouseEvent) {})

	w.focusController = gxui.CreateFocusController(outer)
	w.mouseController = gxui.CreateMouseController(outer, w.focusController)
	w.keyboardController = gxui.CreateKeyboardController(outer)

	w.onResize.Listen(func() {
		w.outer.LayoutChildren()
		w.Draw()
	})

	w.SetBorderPen(gxui.TransparentPen)

	w.setViewport(driver.CreateWindowedViewport(width, height, title))

	// Window starts shown
	w.Attach()

	// Interface compliance test
	_ = gxui.Window(w)
}
示例#6
0
文件: main.go 项目: nelsam/gxui
func appMain(driver gxui.Driver) {
	theme := flags.CreateTheme(driver)
	window := theme.CreateWindow(800, 600, "Polygon")
	window.SetScale(flags.DefaultScaleFactor)

	canvas := driver.CreateCanvas(math.Size{W: 1000, H: 1000})
	drawStar(canvas, math.Point{X: 100, Y: 100}, 50, 0.2, 6)
	drawStar(canvas, math.Point{X: 650, Y: 170}, 70, 0.5, 7)
	drawStar(canvas, math.Point{X: 40, Y: 300}, 20, 0, 5)
	drawStar(canvas, math.Point{X: 410, Y: 320}, 25, 0.9, 5)
	drawStar(canvas, math.Point{X: 220, Y: 520}, 45, 0, 6)

	drawMoon(canvas, math.Point{X: 400, Y: 300}, 200)
	canvas.Complete()

	image := theme.CreateImage()
	image.SetCanvas(canvas)
	window.AddChild(image)

	window.OnClose(driver.Terminate)
}
示例#7
0
文件: main.go 项目: nelsam/gxui
func appMain(driver gxui.Driver) {
	theme := flags.CreateTheme(driver)

	font, err := driver.CreateFont(gxfont.Default, 75)
	if err != nil {
		panic(err)
	}

	window := theme.CreateWindow(380, 100, "Hi")
	window.SetBackgroundBrush(gxui.CreateBrush(gxui.Gray50))

	label := theme.CreateLabel()
	label.SetFont(font)
	label.SetText("Hello world")

	window.AddChild(label)

	ticker := time.NewTicker(time.Millisecond * 30)
	go func() {
		phase := float32(0)
		for _ = range ticker.C {
			c := gxui.Color{
				R: 0.75 + 0.25*math.Cosf((phase+0.000)*math.TwoPi),
				G: 0.75 + 0.25*math.Cosf((phase+0.333)*math.TwoPi),
				B: 0.75 + 0.25*math.Cosf((phase+0.666)*math.TwoPi),
				A: 0.50 + 0.50*math.Cosf(phase*10),
			}
			phase += 0.01
			driver.Call(func() {
				label.SetColor(c)
			})
		}
	}()

	window.OnClose(ticker.Stop)
	window.OnClose(driver.Terminate)
}
示例#8
0
文件: main.go 项目: nelsam/gxui
func appMain(driver gxui.Driver) {
	args := flag.Args()
	if len(args) != 1 {
		fmt.Print("usage: image_viewer image-path\n")
		os.Exit(1)
	}

	file := args[0]
	f, err := os.Open(file)
	if err != nil {
		fmt.Printf("Failed to open image '%s': %v\n", file, err)
		os.Exit(1)
	}

	source, _, err := image.Decode(f)
	if err != nil {
		fmt.Printf("Failed to read image '%s': %v\n", file, err)
		os.Exit(1)
	}

	theme := flags.CreateTheme(driver)
	img := theme.CreateImage()

	mx := source.Bounds().Max
	window := theme.CreateWindow(mx.X, mx.Y, "Image viewer")
	window.SetScale(flags.DefaultScaleFactor)
	window.AddChild(img)

	// Copy the image to a RGBA format before handing to a gxui.Texture
	rgba := image.NewRGBA(source.Bounds())
	draw.Draw(rgba, source.Bounds(), source, image.ZP, draw.Src)
	texture := driver.CreateTexture(rgba, 1)
	img.SetTexture(texture)

	window.OnClose(driver.Terminate)
}