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141 lines
3.1 KiB
Go
141 lines
3.1 KiB
Go
// Copyright 2017 Zack Guo <zack.y.guo@gmail.com>. All rights reserved.
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// Use of this source code is governed by a MIT license that can
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// be found in the LICENSE file.
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package termui
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import "strings"
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/*
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// A ColorScheme represents the current look-and-feel of the dashboard.
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type ColorScheme struct {
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BodyBg Attribute
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BlockBg Attribute
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HasBorder bool
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BorderFg Attribute
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BorderBg Attribute
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BorderLabelTextFg Attribute
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BorderLabelTextBg Attribute
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ParTextFg Attribute
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ParTextBg Attribute
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SparklineLine Attribute
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SparklineTitle Attribute
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GaugeBar Attribute
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GaugePercent Attribute
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LineChartLine Attribute
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LineChartAxes Attribute
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ListItemFg Attribute
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ListItemBg Attribute
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BarChartBar Attribute
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BarChartText Attribute
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BarChartNum Attribute
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MBarChartBar Attribute
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MBarChartText Attribute
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MBarChartNum Attribute
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TabActiveBg Attribute
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}
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// default color scheme depends on the user's terminal setting.
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var themeDefault = ColorScheme{HasBorder: true}
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var themeHelloWorld = ColorScheme{
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BodyBg: ColorBlack,
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BlockBg: ColorBlack,
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HasBorder: true,
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BorderFg: ColorWhite,
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BorderBg: ColorBlack,
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BorderLabelTextBg: ColorBlack,
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BorderLabelTextFg: ColorGreen,
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ParTextBg: ColorBlack,
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ParTextFg: ColorWhite,
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SparklineLine: ColorMagenta,
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SparklineTitle: ColorWhite,
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GaugeBar: ColorRed,
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GaugePercent: ColorWhite,
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LineChartLine: ColorYellow | AttrBold,
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LineChartAxes: ColorWhite,
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ListItemBg: ColorBlack,
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ListItemFg: ColorYellow,
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BarChartBar: ColorRed,
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BarChartNum: ColorWhite,
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BarChartText: ColorCyan,
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MBarChartBar: ColorRed,
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MBarChartNum: ColorWhite,
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MBarChartText: ColorCyan,
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TabActiveBg: ColorMagenta,
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}
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var theme = themeDefault // global dep
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// Theme returns the currently used theme.
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func Theme() ColorScheme {
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return theme
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}
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// SetTheme sets a new, custom theme.
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func SetTheme(newTheme ColorScheme) {
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theme = newTheme
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}
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// UseTheme sets a predefined scheme. Currently available: "hello-world" and
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// "black-and-white".
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func UseTheme(th string) {
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switch th {
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case "helloworld":
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theme = themeHelloWorld
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default:
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theme = themeDefault
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}
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}
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*/
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var ColorMap = map[string]Attribute{
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"fg": ColorWhite,
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"bg": ColorDefault,
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"border.fg": ColorWhite,
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"label.fg": ColorGreen,
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"par.fg": ColorYellow,
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"par.label.bg": ColorWhite,
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}
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func ThemeAttr(name string) Attribute {
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return lookUpAttr(ColorMap, name)
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}
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func lookUpAttr(clrmap map[string]Attribute, name string) Attribute {
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a, ok := clrmap[name]
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if ok {
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return a
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}
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ns := strings.Split(name, ".")
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for i := range ns {
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nn := strings.Join(ns[i:len(ns)], ".")
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a, ok = ColorMap[nn]
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if ok {
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break
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}
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}
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return a
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}
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// 0<=r,g,b <= 5
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func ColorRGB(r, g, b int) Attribute {
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within := func(n int) int {
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if n < 0 {
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return 0
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}
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if n > 5 {
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return 5
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}
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return n
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}
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r, b, g = within(r), within(b), within(g)
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return Attribute(0x0f + 36*r + 6*g + b)
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}
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