package console import ( "fmt" "runtime" ui "github.com/gizak/termui/v3" ) type Theme string const ( ThemeDark Theme = "dark" ThemeLight Theme = "light" ) const ( ColorOlive ui.Color = 178 ColorDeepSkyBlue ui.Color = 39 ColorDeepPink ui.Color = 198 ColorCian ui.Color = 43 ColorOrange ui.Color = 166 ColorPurple ui.Color = 129 ColorGreen ui.Color = 64 ColorDarkRed ui.Color = 88 ColorBlueViolet ui.Color = 57 ColorDarkGrey ui.Color = 238 ColorLightGrey ui.Color = 254 ColorGrey ui.Color = 242 ColorWhite ui.Color = 15 ColorBlack ui.Color = 0 ColorClear ui.Color = -1 ) const ( menuColorNix ui.Color = 255 menuColorReverseNix ui.Color = 235 menuColorWindows ui.Color = 255 menuColorReverseWindows ui.Color = 0 ) type Palette struct { ContentColors []ui.Color GradientColors [][]ui.Color BaseColor ui.Color MediumColor ui.Color ReverseColor ui.Color } // GetPalette returns a color palette based on specified theme func GetPalette(theme Theme) Palette { switch theme { case ThemeDark: return Palette{ ContentColors: []ui.Color{ColorOlive, ColorDeepSkyBlue, ColorDeepPink, ColorWhite, ColorGrey, ColorGreen, ColorOrange, ColorCian, ColorPurple}, GradientColors: [][]ui.Color{{39, 33, 62, 93, 164, 161}, {95, 138, 180, 179, 178, 178}}, BaseColor: ColorWhite, MediumColor: ColorDarkGrey, ReverseColor: ColorBlack, } case ThemeLight: return Palette{ ContentColors: []ui.Color{ColorBlack, ColorDarkRed, ColorBlueViolet, ColorGrey, ColorGreen}, GradientColors: [][]ui.Color{{250, 248, 246, 244, 242, 240, 238, 236, 234, 232, 16}}, BaseColor: ColorBlack, MediumColor: ColorLightGrey, ReverseColor: ColorWhite, } default: panic(fmt.Sprintf("Specified theme is not supported: %v", theme)) } } // GetMenuColor returns a color based on the // operating system target func GetMenuColor() ui.Color { switch runtime.GOOS { case "windows": return menuColorWindows default: return menuColorNix } } // GetMenuColorReverse returns a color based on the // operating system target func GetMenuColorReverse() ui.Color { switch runtime.GOOS { case "windows": return menuColorReverseWindows default: return menuColorReverseNix } } func GetGradientColor(gradient []ui.Color, cur int, max int) ui.Color { ratio := float64(len(gradient)) / float64(max) index := int(ratio * float64(cur)) if index > len(gradient)-1 { index = len(gradient) - 1 } return gradient[index] }