fix(clafrica): conflict between translator and processor (#87)

Before, it's was not really possible to use the translator and the
processor simultaneously.

clafrica/data/test.toml

@@ -28,3 +28,4 @@ hi = "./scripts/hi.rhai"
 hello = "hi"
 heli = "helicopter"
 hea = "health"
+vuue = "vʉe"

clafrica/src/lib.rs

@@ -102,33 +102,31 @@ pub fn run(
                     .expect("We couldn't cancel the special function key");
                 is_special_pressed = false;
 
-                if let Some(predicate) = frontend.get_selected_predicate() {
-                    processor.commit(&predicate.0, &predicate.1, &predicate.2);
+                if let Some((_code, _remaining_code, text)) = frontend.get_selected_predicate() {
+                    processor.commit(text);
                     frontend.clear_predicates();
                 }
             }
             _ if is_special_pressed => (),
             _ => {
-                let (changed, committed) = processor.process(event);
+                let (changed, _committed) = processor.process(event);
 
                 if changed {
                     let input = processor.get_input();
 
                     frontend.clear_predicates();
 
-                    if !committed {
-                        translator.translate(&input).iter().for_each(
-                            |(code, remaining_code, texts, translated)| {
-                                texts.iter().for_each(|text| {
-                                    if auto_commit && *translated {
-                                        processor.commit(code, remaining_code, text);
-                                    } else if !text.is_empty() {
-                                        frontend.add_predicate(code, remaining_code, text);
-                                    }
-                                });
-                            },
-                        );
-                    };
+                    translator.translate(&input).iter().for_each(
+                        |(code, remaining_code, texts, translated)| {
+                            texts.iter().for_each(|text| {
+                                if auto_commit && *translated {
+                                    processor.commit(text);
+                                } else if !text.is_empty() {
+                                    frontend.add_predicate(code, remaining_code, text);
+                                }
+                            });
+                        },
+                    );
 
                     frontend.set_input(&input);
                     frontend.display();
@@ -278,5 +276,11 @@ mod tests {
         input!(ControlRight, typing_speed_ms);
         rdev::simulate(&KeyRelease(ControlLeft)).unwrap();
         output!(textfield, format!("{LIMIT}uuɑαⱭⱭɑɑhihellohi"));
+        input!(Escape, typing_speed_ms);
+
+        // We verify that we don't have a conflict
+        // between the translator and the processor
+        input!(KeyV KeyU KeyU KeyE, typing_speed_ms);
+        output!(textfield, format!("{LIMIT}uuɑαⱭⱭɑɑhihellohivʉe"));
     }
 }

clafrica/src/processor.rs

@@ -17,6 +17,27 @@ impl Processor {
         }
     }
 
+    fn rollback(&mut self) -> bool {
+        self.keyboard.key_up(Key::Backspace);
+
+        if let Some(out) = self.cursor.undo() {
+            (1..out.chars().count()).for_each(|_| self.keyboard.key_click(Key::Backspace));
+
+            // Clear the remaining code
+            while let (None, 1.., ..) = self.cursor.state() {
+                self.cursor.undo();
+            }
+
+            if let (Some(_in), ..) = self.cursor.state() {
+                self.keyboard.key_sequence(&_in);
+            }
+
+            true
+        } else {
+            false
+        }
+    }
+
     pub fn process(&mut self, event: Event) -> (bool, bool) {
         let character = event.name.and_then(|s| s.chars().next());
         let is_valid = character
@@ -26,25 +47,9 @@ impl Processor {
 
         match event.event_type {
             EventType::KeyPress(E_Key::Backspace) => {
-                if let Some(out) = self.cursor.undo() {
-                    self.pause();
-                    self.keyboard.key_up(Key::Backspace);
-
-                    (1..out.chars().count()).for_each(|_| self.keyboard.key_click(Key::Backspace));
-
-                    // Clear the remaining code
-                    while let (None, 1.., ..) = self.cursor.state() {
-                        self.cursor.undo();
-                    }
-
-                    if let (Some(_in), ..) = self.cursor.state() {
-                        self.keyboard.key_sequence(&_in);
-                    }
-
-                    self.resume();
-                    committed = true;
-                }
-
+                self.pause();
+                committed = self.rollback();
+                self.resume();
                 changed = true;
             }
             EventType::KeyPress(
@@ -90,10 +95,12 @@ impl Processor {
         (changed, committed)
     }
 
-    pub fn commit(&mut self, code: &str, remaining_code: &str, text: &str) {
+    pub fn commit(&mut self, text: &str) {
         self.pause();
-        (0..code.len() - remaining_code.len())
-            .for_each(|_| self.keyboard.key_click(Key::Backspace));
+        while !self.cursor.is_empty() {
+            self.keyboard.key_down(Key::Backspace);
+            self.rollback();
+        }
         self.keyboard.key_sequence(text);
         self.resume();
         // We clear the buffer