gitg/colors.go at main · loov/gitg · GitHub

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package main

import (
	"image/color"

	"gioui.org/widget/material"
)

// Theme wraps a material theme with application-specific colors.
type Theme struct {
	*material.Theme
	Colors Colors
}

// NewTheme creates a Theme with the given material theme and colors.
func NewTheme(th *material.Theme, colors Colors) *Theme {
	t := &Theme{
		Theme:  th,
		Colors: colors,
	}
	t.Colors.apply(th)
	return t
}

// SetColors updates the color scheme and syncs the palette.
func (th *Theme) SetColors(colors Colors) {
	th.Colors = colors
	th.Colors.apply(th.Theme)
}

// Colors holds all application colors for a given theme (light or dark).
type Colors struct {
	// Theme palette.
	Fg         color.NRGBA
	Bg         color.NRGBA
	ContrastBg color.NRGBA
	ContrastFg color.NRGBA

	// Splitter line.
	SplitterColor color.NRGBA

	// Commit list badge colors.
	BranchColor color.NRGBA
	TagColor    color.NRGBA
	HeadColor   color.NRGBA
	BranchBg    color.NRGBA
	TagBg       color.NRGBA
	HeadBg      color.NRGBA

	// Diff view colors.
	CommitColor     color.NRGBA
	CommitMetaColor color.NRGBA
	DiffAddColor    color.NRGBA
	DiffRemoveColor color.NRGBA
	DiffHunkColor   color.NRGBA
	DiffHeaderColor color.NRGBA
	DiffNormalColor color.NRGBA
	DiffAddBg       color.NRGBA
	DiffRemoveBg    color.NRGBA
	SelectionColor  color.NRGBA
}

// apply sets the material theme palette from the color scheme.
func (c *Colors) apply(th *material.Theme) {
	th.Palette = material.Palette{
		Fg:         c.Fg,
		Bg:         c.Bg,
		ContrastBg: c.ContrastBg,
		ContrastFg: c.ContrastFg,
	}
}

// LightColors returns the light mode color scheme.
func LightColors() Colors {
	return Colors{
		Fg:         color.NRGBA{A: 0xFF},
		Bg:         color.NRGBA{R: 0xFF, G: 0xFF, B: 0xFF, A: 0xFF},
		ContrastBg: color.NRGBA{R: 0x3F, G: 0x51, B: 0xB5, A: 0xFF},
		ContrastFg: color.NRGBA{R: 0xFF, G: 0xFF, B: 0xFF, A: 0xFF},

		SplitterColor: color.NRGBA{R: 0x80, G: 0x80, B: 0x80, A: 0xFF},

		BranchColor: color.NRGBA{R: 0x22, G: 0x8B, B: 0x22, A: 0xFF},
		TagColor:    color.NRGBA{R: 0xCC, G: 0xAA, B: 0x00, A: 0xFF},
		HeadColor:   color.NRGBA{R: 0xCC, G: 0x33, B: 0x33, A: 0xFF},
		BranchBg:    color.NRGBA{R: 0xDD, G: 0xFF, B: 0xDD, A: 0xFF},
		TagBg:       color.NRGBA{R: 0xFF, G: 0xFF, B: 0xDD, A: 0xFF},
		HeadBg:      color.NRGBA{R: 0xFF, G: 0xDD, B: 0xDD, A: 0xFF},

		CommitColor:     color.NRGBA{R: 0xBB, G: 0x88, B: 0x00, A: 0xFF},
		CommitMetaColor: color.NRGBA{R: 0x55, G: 0x55, B: 0x55, A: 0xFF},
		DiffAddColor:    color.NRGBA{R: 0x22, G: 0x8B, B: 0x22, A: 0xFF},
		DiffRemoveColor: color.NRGBA{R: 0xCC, G: 0x33, B: 0x33, A: 0xFF},
		DiffHunkColor:   color.NRGBA{R: 0x00, G: 0xAA, B: 0xBB, A: 0xFF},
		DiffHeaderColor: color.NRGBA{R: 0x33, G: 0x33, B: 0x99, A: 0xFF},
		DiffNormalColor: color.NRGBA{R: 0x33, G: 0x33, B: 0x33, A: 0xFF},
		DiffAddBg:       color.NRGBA{R: 0xE6, G: 0xFF, B: 0xE6, A: 0xFF},
		DiffRemoveBg:    color.NRGBA{R: 0xFF, G: 0xE6, B: 0xE6, A: 0xFF},
		SelectionColor:  color.NRGBA{R: 0xAD, G: 0xD6, B: 0xFF, A: 0xFF},
	}
}

// DarkColors returns the dark mode color scheme.
func DarkColors() Colors {
	return Colors{
		Fg:         color.NRGBA{R: 0xCC, G: 0xCC, B: 0xCC, A: 0xFF},
		Bg:         color.NRGBA{R: 0x1E, G: 0x1E, B: 0x1E, A: 0xFF},
		ContrastBg: color.NRGBA{R: 0x26, G: 0x4F, B: 0x78, A: 0xFF},
		ContrastFg: color.NRGBA{R: 0xFF, G: 0xFF, B: 0xFF, A: 0xFF},

		SplitterColor: color.NRGBA{R: 0x55, G: 0x55, B: 0x55, A: 0xFF},

		BranchColor: color.NRGBA{R: 0x66, G: 0xCC, B: 0x66, A: 0xFF},
		TagColor:    color.NRGBA{R: 0xDD, G: 0xBB, B: 0x44, A: 0xFF},
		HeadColor:   color.NRGBA{R: 0xFF, G: 0x66, B: 0x66, A: 0xFF},
		BranchBg:    color.NRGBA{R: 0x1A, G: 0x3A, B: 0x1A, A: 0xFF},
		TagBg:       color.NRGBA{R: 0x3A, G: 0x35, B: 0x20, A: 0xFF},
		HeadBg:      color.NRGBA{R: 0x3A, G: 0x1A, B: 0x1A, A: 0xFF},

		CommitColor:     color.NRGBA{R: 0xDD, G: 0xAA, B: 0x33, A: 0xFF},
		CommitMetaColor: color.NRGBA{R: 0x99, G: 0x99, B: 0x99, A: 0xFF},
		DiffAddColor:    color.NRGBA{R: 0x66, G: 0xCC, B: 0x66, A: 0xFF},
		DiffRemoveColor: color.NRGBA{R: 0xFF, G: 0x66, B: 0x66, A: 0xFF},
		DiffHunkColor:   color.NRGBA{R: 0x44, G: 0xCC, B: 0xDD, A: 0xFF},
		DiffHeaderColor: color.NRGBA{R: 0x88, G: 0x88, B: 0xDD, A: 0xFF},
		DiffNormalColor: color.NRGBA{R: 0xCC, G: 0xCC, B: 0xCC, A: 0xFF},
		DiffAddBg:       color.NRGBA{R: 0x1A, G: 0x3A, B: 0x1A, A: 0xFF},
		DiffRemoveBg:    color.NRGBA{R: 0x3A, G: 0x1A, B: 0x1A, A: 0xFF},
		SelectionColor:  color.NRGBA{R: 0x26, G: 0x4F, B: 0x78, A: 0xFF},
	}
}