1 files changed, 37 insertions, 1 deletions
diff --git a/src/progress.rs b/src/progress.rs
index a5509ef..169dca5 100644
--- a/src/progress.rs
+++ b/src/progress.rs
@@ -137,6 +137,42 @@ pub fn complete(name: &str) {
     update_progress(name, 1.);
 }
 
+/// Increase
+///
+/// Increase a progress item's value by a specified amount (clamped to 1.0)
+pub fn increase(name: &str, amount: f32) {
+    let Some(center) = PROGRESS_CENTER.get() else {
+        return;
+    };
+    let mut state = center.tx.borrow().clone();
+    let entry = state
+        .entry(name.to_string())
+        .or_insert_with(|| ProgressState {
+            progress: 0.0,
+            info: ProgressInfo::default(),
+        });
+    entry.progress = (entry.progress + amount).clamp(0.0, 1.0);
+    let _ = center.tx.send(state);
+}
+
+/// Reduce
+///
+/// Reduce a progress item's value by a specified amount (clamped to 0.0)
+pub fn reduce(name: &str, amount: f32) {
+    let Some(center) = PROGRESS_CENTER.get() else {
+        return;
+    };
+    let mut state = center.tx.borrow().clone();
+    let entry = state
+        .entry(name.to_string())
+        .or_insert_with(|| ProgressState {
+            progress: 0.0,
+            info: ProgressInfo::default(),
+        });
+    entry.progress = (entry.progress - amount).clamp(0.0, 1.0);
+    let _ = center.tx.send(state);
+}
+
 /// Clear all
 ///
 /// Send a message to clear all items, ensuring no progress remains
@@ -177,7 +213,7 @@ pub fn update_progress(name: &str, progress: f32) {
             progress: 0.0,
             info: ProgressInfo::default(),
         });
-    entry.progress = progress;
+    entry.progress = progress.clamp(0.0, 1.0);
     let _ = center.tx.send(state);
 }