feat: make pickers async

src/utils.rs

@@ -2,7 +2,7 @@ use std::path::{Path, PathBuf};
 
 use iced::widget;
 use image::{DynamicImage, ImageDecoder, ImageReader, ImageResult, RgbaImage};
-use rfd::FileDialog;
+use rfd::AsyncFileDialog;
 
 pub fn load_image(path: impl AsRef<Path>) -> Result<RgbaImage, String> {
     load_image_impl(path).map_err(|e| e.to_string())
@@ -20,8 +20,8 @@ fn load_image_impl(path: impl AsRef<Path>) -> ImageResult<RgbaImage> {
 
     Ok(decoded_image.into_rgba8())
 }
-pub fn pick_image() -> Result<PathBuf, String> {
-    let Some(path) = FileDialog::new()
+pub async fn pick_image() -> Result<PathBuf, String> {
+    let Some(filehandle) = AsyncFileDialog::new()
         .add_filter(
             "image",
             &[
@@ -30,27 +30,20 @@ pub fn pick_image() -> Result<PathBuf, String> {
             ],
         )
         .pick_file()
+        .await
     else {
         return Err("no path to open provided".into());
     };
 
-    Ok(path)
+    Ok(filehandle.path().to_owned())
 }
 
-pub fn save_image(image: Option<&RgbaImage>) -> Result<(), String> {
-    let Some(image) = image else {
-        return Err("no image to save".into());
-    };
-
-    let Some(path) = FileDialog::new().save_file() else {
+pub async fn pick_save_path() -> Result<PathBuf, String> {
+    let Some(filehandle) = AsyncFileDialog::new().save_file().await else {
         return Err("no path to save provided".into());
     };
 
-    if let Err(e) = image.save(&path) {
-        return Err(e.to_string());
-    }
-
-    Ok(())
+    Ok(filehandle.path().to_owned())
 }
 
 pub const fn string_from_filter_type(f: widget::image::FilterMethod) -> &'static str {