mirror of
https://github.com/makew0rld/amfora.git
synced 2024-06-29 20:05:23 +00:00
134 lines
4.6 KiB
Go
134 lines
4.6 KiB
Go
package config
|
|
|
|
import (
|
|
"fmt"
|
|
"sync"
|
|
|
|
"github.com/gdamore/tcell/v2"
|
|
)
|
|
|
|
// Functions to allow themeing configuration.
|
|
// UI element colors are mapped to a string key, such as "error" or "tab_bg"
|
|
// These are the same keys used in the config file.
|
|
|
|
var themeMu = sync.RWMutex{}
|
|
var theme = map[string]tcell.Color{
|
|
// Default values below
|
|
|
|
"bg": tcell.ColorBlack, // Used for cview.Styles.PrimitiveBackgroundColor
|
|
"tab_num": tcell.Color30, // xterm:Turquoise4, #008787
|
|
"tab_divider": tcell.ColorWhite,
|
|
"bottombar_label": tcell.Color30,
|
|
"bottombar_text": tcell.ColorBlack,
|
|
"bottombar_bg": tcell.ColorWhite,
|
|
"scrollbar": tcell.ColorWhite,
|
|
|
|
// Modals
|
|
"btn_bg": tcell.ColorNavy, // All modal buttons
|
|
"btn_text": tcell.ColorWhite,
|
|
|
|
"dl_choice_modal_bg": tcell.ColorPurple,
|
|
"dl_choice_modal_text": tcell.ColorWhite,
|
|
"dl_modal_bg": tcell.Color130, // xterm:DarkOrange3, #af5f00
|
|
"dl_modal_text": tcell.ColorWhite,
|
|
"info_modal_bg": tcell.ColorGray,
|
|
"info_modal_text": tcell.ColorWhite,
|
|
"error_modal_bg": tcell.ColorMaroon,
|
|
"error_modal_text": tcell.ColorWhite,
|
|
"yesno_modal_bg": tcell.ColorPurple,
|
|
"yesno_modal_text": tcell.ColorWhite,
|
|
"tofu_modal_bg": tcell.ColorMaroon,
|
|
"tofu_modal_text": tcell.ColorWhite,
|
|
"subscription_modal_bg": tcell.Color61, // xterm:SlateBlue3, #5f5faf
|
|
"subscription_modal_text": tcell.ColorWhite,
|
|
|
|
"input_modal_bg": tcell.ColorGreen,
|
|
"input_modal_text": tcell.ColorWhite,
|
|
"input_modal_field_bg": tcell.ColorBlue,
|
|
"input_modal_field_text": tcell.ColorWhite,
|
|
|
|
"bkmk_modal_bg": tcell.ColorTeal,
|
|
"bkmk_modal_text": tcell.ColorWhite,
|
|
"bkmk_modal_label": tcell.ColorYellow,
|
|
"bkmk_modal_field_bg": tcell.ColorBlue,
|
|
"bkmk_modal_field_text": tcell.ColorWhite,
|
|
|
|
"hdg_1": tcell.ColorRed,
|
|
"hdg_2": tcell.ColorLime,
|
|
"hdg_3": tcell.ColorFuchsia,
|
|
"amfora_link": tcell.Color33, // xterm:DodgerBlue1, #0087ff
|
|
"foreign_link": tcell.Color92, // xterm:DarkViolet, #8700d7
|
|
"link_number": tcell.ColorSilver,
|
|
"regular_text": tcell.ColorWhite,
|
|
"quote_text": tcell.ColorWhite,
|
|
"preformatted_text": tcell.Color229, // xterm:Wheat1, #ffffaf
|
|
"list_text": tcell.ColorWhite,
|
|
}
|
|
|
|
func SetColor(key string, color tcell.Color) {
|
|
themeMu.Lock()
|
|
theme[key] = color
|
|
themeMu.Unlock()
|
|
}
|
|
|
|
// GetColor will return tcell.ColorBlack if there is no color for the provided key.
|
|
func GetColor(key string) tcell.Color {
|
|
themeMu.RLock()
|
|
defer themeMu.RUnlock()
|
|
return theme[key].TrueColor()
|
|
}
|
|
|
|
// GetColorString returns a string that can be used in a cview color tag,
|
|
// for the given theme key.
|
|
// It will return "#000000" if there is no color for the provided key.
|
|
func GetColorString(key string) string {
|
|
themeMu.RLock()
|
|
defer themeMu.RUnlock()
|
|
color := theme[key].TrueColor()
|
|
if color == tcell.ColorDefault {
|
|
return "-"
|
|
}
|
|
return fmt.Sprintf("#%06x", color.Hex())
|
|
}
|
|
|
|
// GetContrastingColor returns ColorBlack if color is brighter than gray
|
|
// otherwise returns ColorWhite if color is dimmer than gray
|
|
// if color is ColorDefault (undefined luminance) this returns ColorDefault
|
|
func GetContrastingColor(color tcell.Color) tcell.Color {
|
|
if color == tcell.ColorDefault {
|
|
// color should never be tcell.ColorDefault
|
|
// only config keys which end in bg are allowed to be set to default
|
|
// and the only way the argument of this function is set to ColorDefault
|
|
// is if both the text and bg of an element in the UI are set to default
|
|
return tcell.ColorDefault
|
|
}
|
|
r, g, b := color.RGB()
|
|
luminance := (77*r + 150*g + 29*b + 1<<7) >> 8
|
|
const gray = 119 // The middle gray
|
|
if luminance > gray {
|
|
return tcell.ColorBlack
|
|
}
|
|
return tcell.ColorWhite
|
|
}
|
|
|
|
// GetTextColor is the Same as GetColor, unless the key is "default".
|
|
// This happens on focus of a UI element which has a bg of default, in which case
|
|
// It return tcell.ColorBlack or tcell.ColorWhite, depending on which is more readable
|
|
func GetTextColor(key, bg string) tcell.Color {
|
|
themeMu.RLock()
|
|
defer themeMu.RUnlock()
|
|
color := theme[key].TrueColor()
|
|
if color != tcell.ColorDefault {
|
|
return color
|
|
}
|
|
return GetContrastingColor(theme[bg].TrueColor())
|
|
}
|
|
|
|
// GetTextColorString is the Same as GetColorString, unless the key is "default".
|
|
// This happens on focus of a UI element which has a bg of default, in which case
|
|
// It return tcell.ColorBlack or tcell.ColorWhite, depending on which is more readable
|
|
func GetTextColorString(key, bg string) string {
|
|
color := GetTextColor(key, bg)
|
|
return fmt.Sprintf("#%06x", color.Hex())
|
|
}
|