Files
supersonic/ui/theme/theme.go
T

128 lines
3.2 KiB
Go

package theme
import (
"errors"
"image/color"
"io/ioutil"
"log"
"strings"
"supersonic/res"
"fyne.io/fyne/v2"
"fyne.io/fyne/v2/theme"
)
const ColorNamePageBackground fyne.ThemeColorName = "PageBackground"
var (
normalFont fyne.Resource
boldFont fyne.Resource
)
type MyTheme struct {
NormalFont string
BoldFont string
}
const (
IconNameNowPlaying fyne.ThemeIconName = "NowPlaying"
IconNameFavorite fyne.ThemeIconName = "Favorite"
IconNameNotFavorite fyne.ThemeIconName = "NotFavorite"
IconNameAlbum fyne.ThemeIconName = "Album"
IconNameArtist fyne.ThemeIconName = "Artist"
IconNameGenre fyne.ThemeIconName = "Genre"
IconNamePlaylist fyne.ThemeIconName = "Playlist"
IconNameShuffle fyne.ThemeIconName = "Shuffle"
)
var _ fyne.Theme = (*MyTheme)(nil)
func (m *MyTheme) Color(name fyne.ThemeColorName, variant fyne.ThemeVariant) color.Color {
switch name {
case ColorNamePageBackground:
return color.RGBA{R: 15, G: 15, B: 15, A: 255}
case theme.ColorNameBackground:
return color.RGBA{R: 30, G: 30, B: 30, A: 255}
case theme.ColorNameScrollBar:
return theme.DarkTheme().Color(theme.ColorNameForeground, variant)
case theme.ColorNameButton:
return color.RGBA{R: 20, G: 20, B: 20, A: 50}
case theme.ColorNameInputBackground:
return color.RGBA{R: 20, G: 20, B: 20, A: 50}
}
return theme.DarkTheme().Color(name, variant)
}
func (m *MyTheme) Icon(name fyne.ThemeIconName) fyne.Resource {
switch name {
case IconNameAlbum:
return res.ResDiscInvertPng
case IconNameArtist:
return res.ResPeopleInvertPng
case IconNameFavorite:
return res.ResHeartFilledInvertPng
case IconNameNotFavorite:
return res.ResHeartOutlineInvertPng
case IconNameGenre:
return res.ResTheatermasksInvertPng
case IconNameNowPlaying:
return res.ResHeadphonesInvertPng
case IconNamePlaylist:
return res.ResPlaylistInvertPng
case IconNameShuffle:
return res.ResShuffleInvertSvg
default:
return theme.DefaultTheme().Icon(name)
}
}
func (m *MyTheme) Font(style fyne.TextStyle) fyne.Resource {
switch style {
case fyne.TextStyle{}:
if m.NormalFont != "" && normalFont == nil {
if content, err := readTTFFile(m.NormalFont); err != nil {
m.NormalFont = ""
m.BoldFont = ""
} else {
normalFont = fyne.NewStaticResource("normalFont", content)
}
}
if normalFont != nil {
return normalFont
}
case fyne.TextStyle{Bold: true}:
if m.BoldFont != "" && boldFont == nil {
if content, err := ioutil.ReadFile(m.BoldFont); err != nil {
m.BoldFont = ""
} else {
normalFont = fyne.NewStaticResource("boldFont", content)
}
}
if boldFont != nil {
return boldFont
}
if normalFont != nil {
return normalFont
}
}
return theme.DefaultTheme().Font(style)
}
func (m *MyTheme) Size(name fyne.ThemeSizeName) float32 {
return theme.DefaultTheme().Size(name)
}
func readTTFFile(filepath string) ([]byte, error) {
if !strings.HasSuffix(filepath, ".ttf") {
err := errors.New("only .ttf fonts are supported")
log.Printf("error loading custom font %q: %s", filepath, err.Error())
return nil, err
}
content, err := ioutil.ReadFile(filepath)
if err != nil {
log.Printf("error loading custom font %q: %s", filepath, err.Error())
}
return content, err
}