add missing file

more-wallpapers/src/linux/xfce.rs

@@ -0,0 +1,41 @@
+use crate::{error::CommandError, load_env_var, Environment, WallpaperBuilder, WallpaperError};
+use crate::Screen;
+use super::check_command_error;
+use std::process::Command;
+
+fn load_property(property: &str) -> Result<String, WallpaperError>  {
+	let mut command = Command::new("xfconf-query");
+			command.args(["--channel", "xfce4-desktop", "p"]);
+			command.arg(property);
+			let output = check_command_error(command.output(), "xfconf-query")?;
+			let output = String::from_utf8(output).unwrap();
+			Ok(output)
+}
+
+
+pub(crate) fn get_screens() -> Result<Vec<Screen>, WallpaperError> {
+	let mut command = Command::new("xfconf-query");
+	command.args(["--channel", "xfce4-desktop", "--list"]);
+	let output = check_command_error(command.output(), "xfconf-query")?;
+	let output = String::from_utf8(output).unwrap();
+	let mut current_screen_wallpaper = None; 
+	let mut current_screen_mode = None; 
+	for line in output.lines() {
+		if line.starts_with("/backdrop/") {
+			break;
+		}
+		if line.ends_with("/image-style"){
+			let value = load_property(line)?;
+			current_screen_mode.is_some panic
+			current_screen_mode = Some(("screenname_TODO".to_owned(), value));
+
+		}
+		if line.ends_with("/last-image"){
+			let value = load_property(line)?;
+			current_screen_mode.unwrap() = "screenname_TODO";
+			current_screen_wallpaper.is_some panic
+			current_screen_wallpaper = Some(("screenname_TODO".to_owned(), value));
+		}
+	}
+	todo!()
+}