feat(core): wire up match selection GUI

espanso/src/cli/worker/engine/match_cache.rs

@@ -63,6 +63,14 @@ impl<'a> super::render::MatchProvider<'a> for MatchCache<'a> {
   }
 }
 
+impl<'a> super::ui::selector::MatchProvider<'a> for MatchCache<'a> {
+  fn get_matches(&self, ids: &[i32]) -> Vec<&'a Match> {
+    ids.iter().flat_map(|id| {
+      self.cache.get(&id).map(|m| *m)
+    }).collect()
+  }
+}
+
 impl<'a> MatchInfoProvider for MatchCache<'a> {
   fn get_force_mode(&self, match_id: i32) -> Option<crate::engine::event::effect::TextInjectMode> {
     let m = self.cache.get(&match_id)?;

espanso/src/cli/worker/engine/mod.rs

@@ -55,7 +55,8 @@ pub fn initialize_and_spawn(
       let match_cache = super::engine::match_cache::MatchCache::load(&*config_store, &*match_store);
 
       let modulo_manager = crate::gui::modulo::manager::ModuloManager::new();
-      let modulo_form_ui = crate::gui::modulo::form::ModuloFormUI::new(&modulo_manager, icon_paths.form_icon);
+      let modulo_form_ui = crate::gui::modulo::form::ModuloFormUI::new(&modulo_manager, &icon_paths.form_icon);
+      let modulo_search_ui = crate::gui::modulo::search::ModuloSearchUI::new(&modulo_manager, &icon_paths.search_icon);
 
       let (detect_source, modifier_state_store, sequencer) =
         super::engine::source::init_and_spawn().expect("failed to initialize detector module");
@@ -74,7 +75,7 @@ pub fn initialize_and_spawn(
       let matchers: Vec<
         &dyn crate::engine::process::Matcher<super::engine::matcher::MatcherState>,
       > = vec![&rolling_matcher, &regex_matcher];
-      let selector = MatchSelectorAdapter::new();
+      let selector = MatchSelectorAdapter::new(&modulo_search_ui, &match_cache);
       let multiplexer = super::engine::multiplex::MultiplexAdapter::new(&match_cache);
 
       let injector = espanso_inject::get_injector(Default::default())

espanso/src/cli/worker/engine/ui/selector.rs

@@ -17,21 +17,69 @@
  * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-use crate::engine::process::MatchSelector;
+use espanso_config::matches::{Match};
+use log::error;
 
-pub struct MatchSelectorAdapter {
+use crate::{
-  // TODO: pass Modulo search UI manager
+  engine::process::MatchSelector,
+  gui::{SearchItem, SearchUI},
+};
+
+const MAX_LABEL_LEN: usize = 100;
+
+pub trait MatchProvider<'a> {
+  fn get_matches(&self, ids: &[i32]) -> Vec<&'a Match>;
 }
 
-impl MatchSelectorAdapter {
+pub struct MatchSelectorAdapter<'a> {
-  pub fn new() -> Self {
+  search_ui: &'a dyn SearchUI,
-    Self {}
+  match_provider: &'a dyn MatchProvider<'a>,
+}
+
+impl<'a> MatchSelectorAdapter<'a> {
+  pub fn new(search_ui: &'a dyn SearchUI, match_provider: &'a dyn MatchProvider<'a>) -> Self {
+    Self {
+      search_ui,
+      match_provider,
+    }
   }
 }
 
-impl MatchSelector for MatchSelectorAdapter {
+impl<'a> MatchSelector for MatchSelectorAdapter<'a> {
   fn select(&self, matches_ids: &[i32]) -> Option<i32> {
-    // TODO: replace with actual selection
+    let matches = self.match_provider.get_matches(&matches_ids);
-    Some(*matches_ids.first().unwrap())
+    let search_items: Vec<SearchItem> = matches
+      .iter()
+      .map(|m| {
+        let label = m.description();
+        let clipped_label = &label[..std::cmp::min(label.len(), MAX_LABEL_LEN)];
+
+        SearchItem {
+          id: m.id.to_string(),
+          label: clipped_label.to_string(),
+          tag: m.cause_description().map(String::from),
+        }
+      })
+      .collect();
+
+    match self.search_ui.show(&search_items) {
+      Ok(Some(selected_id)) => match selected_id.parse::<i32>() {
+        Ok(id) => Some(id),
+        Err(err) => {
+          error!(
+            "match selector received an invalid id from SearchUI: {}",
+            err
+          );
+          None
+        }
+      },
+      Ok(None) => None,
+      Err(err) => {
+        error!("SearchUI reported an error: {}", err);
+        None
+      }
+    }
   }
 }
+
+// TODO: test

espanso/src/cli/worker/ui/icon.rs

@@ -33,6 +33,7 @@ const WINDOWS_RED_ICO_BINARY: &[u8] = include_bytes!("../../../res/windows/espan
 #[derive(Debug, Default)]
 pub struct IconPaths {
   pub form_icon: Option<PathBuf>,
+  pub search_icon: Option<PathBuf>,
 
   pub tray_icon_normal: Option<PathBuf>,
   pub tray_icon_disabled: Option<PathBuf>,
@@ -45,6 +46,7 @@ pub struct IconPaths {
 pub fn load_icon_paths(runtime_dir: &Path) -> Result<IconPaths> {
   Ok(IconPaths {
     form_icon: Some(extract_icon(WINDOWS_ICO_BINARY, &runtime_dir.join("form.ico"))?),
+    search_icon: Some(extract_icon(ICON_BINARY, &runtime_dir.join("search.png"))?),
     tray_icon_normal: Some(extract_icon(WINDOWS_ICO_BINARY, &runtime_dir.join("normal.ico"))?),
     tray_icon_disabled: Some(extract_icon(WINDOWS_RED_ICO_BINARY, &runtime_dir.join("disabled.ico"))?),
     logo: Some(extract_icon(ICON_BINARY, &runtime_dir.join("icon.png"))?),
@@ -56,6 +58,7 @@ pub fn load_icon_paths(runtime_dir: &Path) -> Result<IconPaths> {
 pub fn load_icon_paths(runtime_dir: &Path) -> Result<IconPaths> {
   Ok(IconPaths {
     logo: Some(extract_icon(ICON_BINARY, &runtime_dir.join("icon.png"))?),
+    search_icon: Some(extract_icon(ICON_BINARY, &runtime_dir.join("search.png"))?),
     ..Default::default()
   })
 }

espanso/src/gui/mod.rs

@@ -24,7 +24,7 @@ use anyhow::Result;
 pub mod modulo;
 
 pub trait SearchUI {
-  fn show(&self, items: &SearchItem) -> Result<Option<String>>;
+  fn show(&self, items: &[SearchItem]) -> Result<Option<String>>;
 }
 
 #[derive(Debug)]

espanso/src/gui/modulo/form.rs

@@ -31,10 +31,10 @@ pub struct ModuloFormUI<'a> {
 }
 
 impl<'a> ModuloFormUI<'a> {
-  pub fn new(manager: &'a ModuloManager, icon_path: Option<PathBuf>) -> Self {
+  pub fn new(manager: &'a ModuloManager, icon_path: &Option<PathBuf>) -> Self {
     Self {
       manager,
-      icon_path: icon_path.map(|path| path.to_string_lossy().to_string()),
+      icon_path: icon_path.as_ref().map(|path| path.to_string_lossy().to_string()),
     }
   }
 }

espanso/src/gui/modulo/mod.rs

@@ -19,5 +19,4 @@
 
 pub mod form;
 pub mod manager;
-
+pub mod search;
-// TODO: implement FormUI and SearchUI traits using ModuloManager

espanso/src/gui/modulo/search.rs

@@ -0,0 +1,91 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019-2021 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+use serde::Serialize;
+use serde_json::Value;
+use std::{collections::HashMap, path::PathBuf};
+
+use crate::gui::{SearchItem, SearchUI};
+
+use super::manager::ModuloManager;
+
+pub struct ModuloSearchUI<'a> {
+  manager: &'a ModuloManager,
+  icon_path: Option<String>,
+}
+
+impl<'a> ModuloSearchUI<'a> {
+  pub fn new(manager: &'a ModuloManager, icon_path: &Option<PathBuf>) -> Self {
+    Self {
+      manager,
+      icon_path: icon_path.as_ref().map(|path| path.to_string_lossy().to_string()),
+    }
+  }
+}
+
+impl<'a> SearchUI for ModuloSearchUI<'a> {
+  fn show(&self, items: &[SearchItem]) -> anyhow::Result<Option<String>> {
+    let modulo_config = ModuloSearchConfig {
+      icon: self.icon_path.as_deref(),
+      title: "espanso",
+      items: convert_items(&items),
+    };
+
+    let json_config = serde_json::to_string(&modulo_config)?;
+    let output = self
+      .manager
+      .invoke(&["search", "-j", "-i", "-"], &json_config)?;
+    let json: Result<HashMap<String, Value>, _> = serde_json::from_str(&output);
+    match json {
+      Ok(json) => {
+        if let Some(Value::String(selected_id)) = json.get("selected") {
+          return Ok(Some(selected_id.clone()));
+        } else {
+          return Ok(None);
+        }
+      }
+      Err(error) => {
+        return Err(error.into());
+      }
+    }
+  }
+}
+
+#[derive(Debug, Serialize)]
+struct ModuloSearchConfig<'a> {
+  icon: Option<&'a str>,
+  title: &'a str,
+  items: Vec<ModuloSearchItemConfig<'a>>,
+}
+
+#[derive(Debug, Serialize)]
+struct ModuloSearchItemConfig<'a> {
+  id: &'a str,
+  label: &'a str,
+  trigger: Option<&'a str>,
+}
+
+// TODO: test
+fn convert_items<'a>(items: &'a [SearchItem]) -> Vec<ModuloSearchItemConfig<'a>> {
+  items.iter().map(|item| ModuloSearchItemConfig {
+    id: &item.id,
+    label: &item.label, 
+    trigger: item.tag.as_deref(), 
+  }).collect()
+}