Create relative pathes for saving projects

src/Tools/tim_tool/Cargo.lock

@@ -3150,6 +3150,12 @@ version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
 
+[[package]]
+name = "pathdiff"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df94ce210e5bc13cb6651479fa48d14f601d9858cfe0467f43ae157023b938d3"
+
 [[package]]
 name = "percent-encoding"
 version = "2.3.1"
@@ -4111,6 +4117,7 @@ dependencies = [
 name = "tim_tool"
 version = "0.1.0"
 dependencies = [
+ "pathdiff",
  "png",
  "rfd",
  "serde",

src/Tools/tim_tool/Cargo.toml

@@ -7,12 +7,13 @@ edition = "2021"
 panic = "abort"
 
 [dependencies]
+pathdiff    = "0.2.3"
 png         = "0.17.16"
 rfd         = "0.15.2"
 slint       = "1.9.2"
-tiny-skia   = "0.11.4"
 serde       = {version = "1.0.140", features = ["derive"]}
-serde_json = "1.0"
+serde_json  = "1.0"
+tiny-skia   = "0.11.4"
 tool_helper = {path = "../tool_helper"}
 
 [build-dependencies]

src/Tools/tim_tool/src/gui/file_tab/callbacks.rs

@@ -96,8 +96,9 @@ pub(super) fn on_save_project_clicked(tim_manager: MutexTIMManager) -> impl FnMu
             return Err(Error::from_str("Please specify save location for project file"));
         }
 
-        let tim_info  = tim_manager.lock().expect("VRAM already locked").clone_added_tims();
+        let tim_info     = tim_manager.lock().expect("VRAM already locked").clone_added_tims();
-        let vram_info = main_tab.clone_vram_info();
+        let vram_info    = main_tab.clone_vram_info();
+        let use_rel_path = main_window.get_project_widget_use_rel_paths();
 
         if tim_info.len() != vram_info.len() {
             return Err(Error::from_str("TIM and VRAM info not in sync! Please close program"));
@@ -105,7 +106,12 @@ pub(super) fn on_save_project_clicked(tim_manager: MutexTIMManager) -> impl FnMu
 
         let mut cur_job:Option<Job>             = None;
         let mut cur_palette:Option<PaletteRect> = None;
-        let mut project     = Project::new(tim_info.into_iter().zip(vram_info.into_iter()).filter_map(|(tim, (file_name, vram))| {
+        let mut map_result                      = Ok(());
+        let mut project                         = Project::new(tim_info.into_iter().zip(vram_info.into_iter()).filter_map(|(tim, (name, vram))| {
+            if map_result.is_err() {
+                return None;
+            }
+
             if vram.is_palette {
                 let cur_palette = std::mem::replace(&mut cur_palette, None);
                 if let Some(mut cur_palette) = cur_palette {
@@ -125,11 +131,22 @@ pub(super) fn on_save_project_clicked(tim_manager: MutexTIMManager) -> impl FnMu
                     if let Some((width, height)) = tim.get_palette_size() {
                         cur_palette = Some(PaletteRect::new(0, 0, width, height));
                     }
-                    cur_job = Some(Job::new(file_name, tim.get_path(), (vram.x as u16, vram.y as u16), Encoding::from_str(vram.encoding_str.as_str())));
+                    let file_path = if use_rel_path {
+                        match tim.get_path_rel_to(PathBuf::from(save_location.as_str())) {
+                            Ok(file_path) => file_path, 
+                            Err(error)    => {
+                                map_result = Err(error);
+                                PathBuf::new()
+                            }
+                        }
+                    } else {tim.get_path()};
+                    cur_job = Some(Job::new(name, file_path, (vram.x as u16, vram.y as u16), Encoding::from_str(vram.encoding_str.as_str())));
                 }
                 prev_job
             }
         }).collect());
+        map_result?;
+
         if let Some(cur_job) = cur_job {
             project.jobs.push(cur_job);
         }

src/Tools/tim_tool/src/logic/tim/mod.rs

@@ -1,5 +1,6 @@
 pub mod types;
 
+use pathdiff::diff_paths;
 use std::{fs::File, path::PathBuf};
 use slint::{Rgba8Pixel, SharedPixelBuffer};
 use tool_helper::Error;
@@ -132,6 +133,15 @@ impl TIMInfo {
     pub fn get_path(&self) -> std::path::PathBuf {
         self.path.clone()
     }
+
+    pub fn get_path_rel_to(&self, mut reference_path: std::path::PathBuf) -> Result<std::path::PathBuf, Error> {
+        let file_path = self.path.clone();
+
+        reference_path.pop();
+        diff_paths(&file_path, &reference_path).ok_or_else(|| {
+            Error::from_text(format!("Can not create relative path from {} to {}", file_path.to_string_lossy().as_ref(), reference_path.to_string_lossy().as_ref()))
+        })
+    }
 }
 
 #[derive(Clone)]