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css.go
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css.go
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package window
import (
"bytes"
"github.com/TheBlueOompaLoompa/gtkcord3/internal/log"
"github.com/gotk3/gotk3/gtk"
"github.com/markbates/pkger"
)
var (
CustomCSS string // raw CSS, once
FileCSS string // path
)
// I don't like this:
// list row:selected { box-shadow: inset 2px 0 0 0 white; }
func initCSS() {
s := Window.Screen
CSS := string(mustReadCSS())
stock, _ := gtk.CssProviderNew()
if err := stock.LoadFromData(CSS); err != nil {
log.Fatalln("Failed to parse stock CSS:", err)
}
gtk.AddProviderForScreen(
s, stock,
uint(gtk.STYLE_PROVIDER_PRIORITY_APPLICATION),
)
// Add env var CSS:
env, _ := gtk.CssProviderNew()
if err := env.LoadFromData(CustomCSS); err != nil {
log.Errorln("Failed to parse env var custom CSS:", err)
}
gtk.AddProviderForScreen(
s, env,
uint(gtk.STYLE_PROVIDER_PRIORITY_USER),
)
}
func ReloadCSS() {
s := Window.Screen
// Replace file CSS:
if Window.fileCSS != nil {
gtk.RemoveProviderForScreen(s, Window.fileCSS)
}
file, _ := gtk.CssProviderNew()
if err := file.LoadFromPath(FileCSS); err != nil {
log.Errorln("Failed to parse file in "+FileCSS+":", err)
return
}
Window.fileCSS = file
gtk.AddProviderForScreen(
s, file,
uint(gtk.STYLE_PROVIDER_PRIORITY_USER),
)
}
func mustReadCSS() []byte {
f, err := pkger.Open("/gtkcord/style.css")
if err != nil {
log.Panicln("Failed to open file:", err)
}
s, err := f.Stat()
if err != nil {
log.Panicln("Failed to stat file:", err)
}
var buf bytes.Buffer
buf.Grow(int(s.Size()))
if _, err := buf.ReadFrom(f); err != nil {
log.Panicln("Failed to read file:", err)
}
return buf.Bytes()
}