gopaper/slideshow.go

59 lines
1.0 KiB
Go

package main
import (
"fmt"
"log"
"os"
"time"
"github.com/xyproto/wallutils"
)
func slideshow(ch <-chan string) {
dir := <-ch
duration := time.Duration(config.Duration) * time.Minute
ticker := time.NewTicker(duration)
go func() {
for {
img, err := setRandomWallpaper(dir)
if err != nil {
fmt.Printf("Failed to set random wallpaper from directory %v.", dir)
panic(err)
}
log.Printf("set %v as wallpaper\n", img)
select {
case dir = <-ch:
log.Println("directory set!")
ticker.Reset(duration)
continue
case <-ticker.C:
continue
}
}
}()
}
func setRandomWallpaper(dir string) (string, error) {
img, err := pickRandomImage(dir)
if err != nil {
return "", err
}
desktopEnv, bool := os.LookupEnv("DESKTOP_SESSION")
if !bool {
panic("cannot determine desktop environment")
}
var mode string
switch desktopEnv {
case "cinnamon":
mode = "zoom"
case "hyprland":
mode = "fit"
default:
mode = ""
}
return img, wallutils.SetWallpaperCustom(img, mode, false)
}