Add "Open source file" option

Available when right-clicking an object in
the object list or when viewing an object

Resolves #99

Cargo.lock

@@ -2084,6 +2084,25 @@ version = "2.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "187674a687eed5fe42285b40c6291f9a01517d415fad1c3cbc6a9f778af7fcd4"
 
+[[package]]
+name = "is-docker"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "928bae27f42bc99b60d9ac7334e3a21d10ad8f1835a4e12ec3ec0464765ed1b3"
+dependencies = [
+ "once_cell",
+]
+
+[[package]]
+name = "is-wsl"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "173609498df190136aa7dea1a91db051746d339e18476eed5ca40521f02d7aa5"
+dependencies = [
+ "is-docker",
+ "once_cell",
+]
+
 [[package]]
 name = "is_ci"
 version = "1.2.0"
@@ -2904,6 +2923,7 @@ dependencies = [
  "log",
  "notify",
  "objdiff-core",
+ "open",
  "path-slash",
  "png",
  "pollster",
@@ -2941,6 +2961,17 @@ version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
+[[package]]
+name = "open"
+version = "5.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61a877bf6abd716642a53ef1b89fb498923a4afca5c754f9050b4d081c05c4b3"
+dependencies = [
+ "is-wsl",
+ "libc",
+ "pathdiff",
+]
+
 [[package]]
 name = "openssl"
 version = "0.10.66"
@@ -3066,6 +3097,12 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e91099d4268b0e11973f036e885d652fb0b21fedcf69738c627f94db6a44f42"
 
+[[package]]
+name = "pathdiff"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8835116a5c179084a830efb3adc117ab007512b535bc1a21c991d3b32a6b44dd"
+
 [[package]]
 name = "pathfinder_geometry"
 version = "0.5.1"

objdiff-core/src/config/mod.rs

@@ -124,6 +124,10 @@ impl ProjectObject {
     pub fn hidden(&self) -> bool {
         self.metadata.as_ref().and_then(|m| m.auto_generated).unwrap_or(false)
     }
+
+    pub fn source_path(&self) -> Option<&String> {
+        self.metadata.as_ref().and_then(|m| m.source_path.as_ref())
+    }
 }
 
 #[derive(Default, Clone, Eq, PartialEq, serde::Deserialize, serde::Serialize)]

objdiff-gui/Cargo.toml

@@ -40,6 +40,7 @@ globset = { version = "0.4", features = ["serde1"] }
 log = "0.4"
 notify = { git = "https://github.com/notify-rs/notify", rev = "128bf6230c03d39dbb7f301ff7b20e594e34c3a2" }
 objdiff-core = { path = "../objdiff-core", features = ["all"] }
+open = "5.3"
 png = "0.17"
 pollster = "0.3"
 regex = "1.10"

objdiff-gui/src/app.rs

@@ -73,6 +73,7 @@ pub struct ObjectConfig {
     pub reverse_fn_order: Option<bool>,
     pub complete: Option<bool>,
     pub scratch: Option<ScratchConfig>,
+    pub source_path: Option<String>,
 }
 
 #[inline]

objdiff-gui/src/app_config.rs

@@ -61,6 +61,7 @@ impl ObjectConfigV0 {
             reverse_fn_order: self.reverse_fn_order,
             complete: None,
             scratch: None,
+            source_path: None,
         }
     }
 }

objdiff-gui/src/views/config.rs

@@ -2,7 +2,7 @@
 use std::string::FromUtf16Error;
 use std::{
     mem::take,
-    path::{PathBuf, MAIN_SEPARATOR},
+    path::{Path, PathBuf, MAIN_SEPARATOR},
 };
 
 #[cfg(all(windows, feature = "wsl"))]
@@ -96,6 +96,7 @@ impl ConfigViewState {
                             reverse_fn_order: None,
                             complete: None,
                             scratch: None,
+                            source_path: None,
                         });
                     } else if let Ok(obj_path) = path.strip_prefix(target_dir) {
                         let base_path = base_dir.join(obj_path);
@@ -106,6 +107,7 @@ impl ConfigViewState {
                             reverse_fn_order: None,
                             complete: None,
                             scratch: None,
+                            source_path: None,
                         });
                     }
                 }
@@ -174,7 +176,10 @@ pub fn config_ui(
 ) {
     let mut state_guard = state.write().unwrap();
     let AppState {
-        config: AppConfig { target_obj_dir, base_obj_dir, selected_obj, auto_update_check, .. },
+        config:
+            AppConfig {
+                project_dir, target_obj_dir, base_obj_dir, selected_obj, auto_update_check, ..
+            },
         objects,
         object_nodes,
         ..
@@ -318,7 +323,14 @@ pub fn config_ui(
                     config_state.show_hidden,
                 )
             }) {
-                display_node(ui, &mut new_selected_obj, &node, appearance, node_open);
+                display_node(
+                    ui,
+                    &mut new_selected_obj,
+                    project_dir.as_deref(),
+                    &node,
+                    appearance,
+                    node_open,
+                );
             }
         });
     }
@@ -333,13 +345,12 @@ pub fn config_ui(
     {
         config_state.queue_build = true;
     }
-
-    ui.separator();
 }
 
 fn display_object(
     ui: &mut egui::Ui,
     selected_obj: &mut Option<ObjectConfig>,
+    project_dir: Option<&Path>,
     name: &str,
     object: &ProjectObject,
     appearance: &Appearance,
@@ -357,7 +368,7 @@ fn display_object(
     } else {
         appearance.text_color
     };
-    let clicked = SelectableLabel::new(
+    let response = SelectableLabel::new(
         selected,
         RichText::new(name)
             .font(FontId {
@@ -366,11 +377,13 @@ fn display_object(
             })
             .color(color),
     )
-    .ui(ui)
+    .ui(ui);
-    .clicked();
+    if get_source_path(project_dir, object).is_some() {
+        response.context_menu(|ui| object_context_ui(ui, object, project_dir));
+    }
     // Always recreate ObjectConfig if selected, in case the project config changed.
     // ObjectConfig is compared using equality, so this won't unnecessarily trigger a rebuild.
-    if selected || clicked {
+    if selected || response.clicked() {
         *selected_obj = Some(ObjectConfig {
             name: object_name.to_string(),
             target_path: object.target_path.clone(),
@@ -378,10 +391,31 @@ fn display_object(
             reverse_fn_order: object.reverse_fn_order(),
             complete: object.complete(),
             scratch: object.scratch.clone(),
+            source_path: object.source_path().cloned(),
         });
     }
 }
 
+fn get_source_path(project_dir: Option<&Path>, object: &ProjectObject) -> Option<PathBuf> {
+    project_dir.and_then(|dir| object.source_path().map(|path| dir.join(path)))
+}
+
+fn object_context_ui(ui: &mut egui::Ui, object: &ProjectObject, project_dir: Option<&Path>) {
+    if let Some(source_path) = get_source_path(project_dir, object) {
+        if ui
+            .button("Open source file")
+            .on_hover_text("Open the source file in the default editor")
+            .clicked()
+        {
+            log::info!("Opening file {}", source_path.display());
+            if let Err(e) = open::that_detached(&source_path) {
+                log::error!("Failed to open source file: {e}");
+            }
+            ui.close_menu();
+        }
+    }
+}
+
 #[derive(Default, Copy, Clone, PartialEq, Eq, Debug)]
 enum NodeOpen {
     #[default]
@@ -394,13 +428,14 @@ enum NodeOpen {
 fn display_node(
     ui: &mut egui::Ui,
     selected_obj: &mut Option<ObjectConfig>,
+    project_dir: Option<&Path>,
     node: &ProjectObjectNode,
     appearance: &Appearance,
     node_open: NodeOpen,
 ) {
     match node {
         ProjectObjectNode::File(name, object) => {
-            display_object(ui, selected_obj, name, object, appearance);
+            display_object(ui, selected_obj, project_dir, name, object, appearance);
         }
         ProjectObjectNode::Dir(name, children) => {
             let contains_obj = selected_obj.as_ref().map(|path| contains_node(node, path));
@@ -426,7 +461,7 @@ fn display_node(
             .open(open)
             .show(ui, |ui| {
                 for node in children {
-                    display_node(ui, selected_obj, node, appearance, node_open);
+                    display_node(ui, selected_obj, project_dir, node, appearance, node_open);
                 }
             });
         }

objdiff-gui/src/views/function_diff.rs

@@ -509,6 +509,18 @@ pub fn function_diff_ui(ui: &mut egui::Ui, state: &mut DiffViewState, appearance
                                 );
                             }
                         });
+                        ui.separator();
+                        if ui
+                            .add_enabled(
+                                state.source_path_available,
+                                egui::Button::new("🖹 Source file"),
+                            )
+                            .on_hover_text_at_pointer("Open the source file in the default editor")
+                            .on_disabled_hover_text("Source file metadata missing")
+                            .clicked()
+                        {
+                            state.queue_open_source_path = true;
+                        }
                     });
 
                     ui.scope(|ui| {

objdiff-gui/src/views/symbol_diff.rs

@@ -52,6 +52,8 @@ pub struct DiffViewState {
     pub scratch_available: bool,
     pub queue_scratch: bool,
     pub scratch_running: bool,
+    pub source_path_available: bool,
+    pub queue_open_source_path: bool,
 }
 
 #[derive(Default)]
@@ -86,6 +88,9 @@ impl DiffViewState {
                     self.symbol_state.reverse_fn_order = value;
                     self.symbol_state.disable_reverse_fn_order = true;
                 }
+                self.source_path_available = obj_config.source_path.is_some();
+            } else {
+                self.source_path_available = false;
             }
             self.scratch_available = CreateScratchConfig::is_available(&state.config);
         }
@@ -122,6 +127,22 @@ impl DiffViewState {
                 }
             }
         }
+
+        if self.queue_open_source_path {
+            self.queue_open_source_path = false;
+            if let Ok(state) = state.read() {
+                if let (Some(project_dir), Some(source_path)) = (
+                    &state.config.project_dir,
+                    state.config.selected_obj.as_ref().and_then(|obj| obj.source_path.as_ref()),
+                ) {
+                    let source_path = project_dir.join(source_path);
+                    log::info!("Opening file {}", source_path.display());
+                    open::that_detached(source_path).unwrap_or_else(|err| {
+                        log::error!("Failed to open source file: {err}");
+                    });
+                }
+            }
+        }
     }
 }
 
@@ -518,10 +539,27 @@ pub fn symbol_diff_ui(ui: &mut Ui, state: &mut DiffViewState, appearance: &Appea
                 |ui| {
                     ui.set_width(column_width);
 
+                    ui.horizontal(|ui| {
+                        ui.scope(|ui| {
+                            ui.style_mut().override_text_style = Some(egui::TextStyle::Monospace);
+                            ui.label("Build base:");
+                        });
+                        ui.separator();
+                        if ui
+                            .add_enabled(
+                                state.source_path_available,
+                                egui::Button::new("🖹 Source file"),
+                            )
+                            .on_hover_text_at_pointer("Open the source file in the default editor")
+                            .on_disabled_hover_text("Source file metadata missing")
+                            .clicked()
+                        {
+                            state.queue_open_source_path = true;
+                        }
+                    });
+
                     ui.scope(|ui| {
                         ui.style_mut().override_text_style = Some(egui::TextStyle::Monospace);
-
-                        ui.label("Build base:");
                         if result.second_status.success {
                             if result.second_obj.is_none() {
                                 ui.colored_label(appearance.replace_color, "Missing");