Add trigger for toggle

src/config.rs

@@ -6,25 +6,27 @@ use crate::matcher::Match;
 use std::fs::File;
 use std::io::Read;
 use serde::{Serialize, Deserialize};
+use crate::keyboard::KeyModifier;
+use crate::keyboard::KeyModifier::*;
 
 // TODO: add documentation link
 const DEFAULT_CONFIG_FILE_CONTENT : &str = include_str!("res/config.yaml");
 
-#[derive(Debug, Serialize, Deserialize)]
-pub struct Configs {
-    #[serde(default)]
-    pub backspace_enabled: bool,
+// Default values for primitives
 
-    pub matches: Vec<Match>
+fn default_toggle_interval() -> u32 {
+    230
 }
 
-impl Default for Configs {
-    fn default() -> Self {
-        Configs {
-            backspace_enabled: false,
-            matches: Vec::new()
-        }
-    }
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub struct Configs {
+    #[serde(default)]
+    pub toggle_key: KeyModifier,
+
+    #[serde(default = "default_toggle_interval")]
+    pub toggle_interval: u32,
+
+    pub matches: Vec<Match>
 }
 
 impl Configs {

src/engine.rs

@@ -1,13 +1,15 @@
 use crate::matcher::{Match, MatchReceiver};
 use crate::keyboard::KeyboardSender;
+use crate::config::Configs;
 
 pub struct Engine<S> where S: KeyboardSender {
-    sender: S
+    sender: S,
+    configs: Configs,
 }
 
 impl <S> Engine<S> where S: KeyboardSender{
-    pub fn new(sender: S) -> Engine<S> where S: KeyboardSender {
-        Engine{sender}
+    pub fn new(sender: S, configs: Configs) -> Engine<S> where S: KeyboardSender {
+        Engine{sender, configs }
     }
 }
 

src/keyboard/mod.rs

@@ -8,13 +8,14 @@ mod linux;
 mod macos;
 
 use std::sync::mpsc;
+use serde::{Serialize, Deserialize};
 
 pub trait KeyboardInterceptor {
     fn initialize(&self);
     fn start(&self);
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
 pub enum KeyModifier {
     CTRL,
     SHIFT,
@@ -23,6 +24,12 @@ pub enum KeyModifier {
     BACKSPACE,
 }
 
+impl Default for KeyModifier {
+    fn default() -> Self {
+        KeyModifier::ALT
+    }
+}
+
 #[derive(Debug)]
 pub enum KeyEvent {
     Char(char),

src/main.rs

@@ -13,15 +13,16 @@ mod config;
 
 fn main() {
     let configs = Configs::load_default();
+    println!("{:#?}", configs);
 
     let (txc, rxc) = mpsc::channel();
 
     let sender = keyboard::get_sender();
 
-    let engine = Engine::new(sender);
+    let engine = Engine::new(sender, configs.clone());
 
     thread::spawn(move || {
-        let matcher = ScrollingMatcher::new(configs.matches.to_vec(), engine);
+        let matcher = ScrollingMatcher::new(configs.clone(), engine);
         matcher.watch(rxc);
     });
 

src/matcher/scrolling.rs

@@ -1,15 +1,19 @@
 use crate::matcher::{Match, MatchReceiver};
 use std::cell::RefCell;
 use crate::keyboard::KeyModifier;
+use crate::config::Configs;
+use crate::keyboard::KeyModifier::BACKSPACE;
+use std::time::SystemTime;
 
 pub struct ScrollingMatcher<'a, R> where R: MatchReceiver{
-    matches: Vec<Match>,
+    configs: Configs,
     receiver: R,
-    current_set: RefCell<Vec<MatchEntry<'a>>>
+    current_set: RefCell<Vec<MatchEntry<'a>>>,
+    toggle_press_time: RefCell<SystemTime>
 }
 
 struct MatchEntry<'a> {
-    remaining: &'a str,
+    start: usize,
     _match: &'a Match
 }
 
@@ -17,15 +21,17 @@ impl <'a, R> super::Matcher<'a> for ScrollingMatcher<'a, R> where R: MatchReceiv
     fn handle_char(&'a self, c: char) {
         let mut current_set = self.current_set.borrow_mut();
 
-        let new_matches: Vec<MatchEntry> = self.matches.iter()
+        let new_matches: Vec<MatchEntry> = self.configs.matches.iter()
             .filter(|&x| x.trigger.chars().nth(0).unwrap() == c)
-            .map(|x | MatchEntry{remaining: &x.trigger[1..], _match: &x})
+            .map(|x | MatchEntry{start: 1, _match: &x})
             .collect();
         // TODO: use an associative structure to improve the efficiency of this first "new_matches" lookup.
 
         let old_matches: Vec<MatchEntry> = (*current_set).iter()
-            .filter(|&x| x.remaining.chars().nth(0).unwrap() == c)
-            .map(|x | MatchEntry{remaining: &x.remaining[1..], _match: &x._match})
+            .filter(|&x| {
+                x._match.trigger[x.start..].chars().nth(0).unwrap() == c
+            })
+            .map(|x | MatchEntry{start: x.start+1, _match: &x._match})
             .collect();
 
         (*current_set) = old_matches;
@@ -34,7 +40,7 @@ impl <'a, R> super::Matcher<'a> for ScrollingMatcher<'a, R> where R: MatchReceiv
         let mut found_match = None;
 
         for entry in (*current_set).iter() {
-            if entry.remaining.len() == 0 {
+            if entry.start == entry._match.trigger.len() {
                 found_match = Some(entry._match);
                 break;
             }
@@ -47,13 +53,23 @@ impl <'a, R> super::Matcher<'a> for ScrollingMatcher<'a, R> where R: MatchReceiv
     }
 
     fn handle_modifier(&'a self, m: KeyModifier) {
+        if m == self.configs.toggle_key {
+            let mut toggle_press_time = self.toggle_press_time.borrow_mut();
+            if let Ok(elapsed) = toggle_press_time.elapsed() {
+                if elapsed.as_millis() < self.configs.toggle_interval as u128 {
+                    println!("Disable! {}", elapsed.as_millis());
+                }
+            }
 
+            (*toggle_press_time) = SystemTime::now();
+        }
     }
 }
 
 impl <'a, R> ScrollingMatcher<'a, R> where R: MatchReceiver {
-    pub fn new(matches:Vec<Match>, receiver: R) -> ScrollingMatcher<'a, R> {
+    pub fn new(configs: Configs, receiver: R) -> ScrollingMatcher<'a, R> {
         let current_set = RefCell::new(Vec::new());
-        ScrollingMatcher{ matches, receiver, current_set }
+        let toggle_press_time = RefCell::new(SystemTime::now());
+        ScrollingMatcher{ configs, receiver, current_set, toggle_press_time }
     }
 }