304 lines
11 KiB
Rust

use crate::screenshot::take_area_screenshot;
use tauri::App;
use tauri::AppHandle;
use tauri::Emitter;
use tauri::Manager;
use tauri::Runtime;
use tauri_plugin_global_shortcut::GlobalShortcutExt;
use tauri_plugin_global_shortcut::Shortcut;
use tauri_plugin_global_shortcut::ShortcutState;
use tauri_plugin_store::JsonValue;
use tauri_plugin_store::StoreExt;
/// Constants for Tauri store configuration
const HAYSTACK_TAURI_STORE: &str = "haystack_tauri_store"; // Name of the persistent store
const HAYSTACK_GLOBAL_SHORTCUT: &str = "haystack_global_shortcut"; // Key for storing the toggle window shortcut
const HAYSTACK_SCREENSHOT_SHORTCUT: &str = "haystack_screenshot_shortcut"; // Key for storing the screenshot shortcut
/// Platform-specific default shortcuts
#[cfg(target_os = "macos")]
const DEFAULT_SHORTCUT: &str = "command+shift+k"; // macOS uses Command key
#[cfg(target_os = "macos")]
const DEFAULT_SCREENSHOT_SHORTCUT: &str = "command+shift+p"; // macOS screenshot shortcut
#[cfg(any(target_os = "windows", target_os = "linux"))]
const DEFAULT_SHORTCUT: &str = "ctrl+shift+k"; // Windows/Linux use Ctrl key
#[cfg(any(target_os = "windows", target_os = "linux"))]
const DEFAULT_SCREENSHOT_SHORTCUT: &str = "ctrl+shift+p"; // Windows/Linux screenshot shortcut
/// Initializes the global shortcut during application startup.
/// This function:
/// 1. Checks if a shortcut is already stored
/// 2. Uses the stored shortcut if it exists
/// 3. Falls back to the platform-specific default if no shortcut is stored
/// 4. Registers the shortcut with the system
pub fn enable_shortcut(app: &App) {
// Get or create the persistent store
let store = app
.store(HAYSTACK_TAURI_STORE)
.expect("Creating the store should not fail");
// Initialize toggle window shortcut
let toggle_shortcut = if let Some(stored_shortcut) = store.get(HAYSTACK_GLOBAL_SHORTCUT) {
let stored_shortcut_str = match stored_shortcut {
JsonValue::String(str) => str,
unexpected_type => panic!(
"Haystack shortcuts should be stored as strings, found type: {} ",
unexpected_type
),
};
stored_shortcut_str
.parse::<Shortcut>()
.expect("Stored shortcut string should be valid")
} else {
store.set(
HAYSTACK_GLOBAL_SHORTCUT,
JsonValue::String(DEFAULT_SHORTCUT.to_string()),
);
DEFAULT_SHORTCUT
.parse::<Shortcut>()
.expect("Default shortcut should be valid")
};
// Initialize screenshot shortcut
let screenshot_shortcut = if let Some(stored_shortcut) = store.get(HAYSTACK_SCREENSHOT_SHORTCUT)
{
let stored_shortcut_str = match stored_shortcut {
JsonValue::String(str) => str,
unexpected_type => panic!(
"Haystack shortcuts should be stored as strings, found type: {} ",
unexpected_type
),
};
stored_shortcut_str
.parse::<Shortcut>()
.expect("Stored shortcut string should be valid")
} else {
store.set(
HAYSTACK_SCREENSHOT_SHORTCUT,
JsonValue::String(DEFAULT_SCREENSHOT_SHORTCUT.to_string()),
);
DEFAULT_SCREENSHOT_SHORTCUT
.parse::<Shortcut>()
.expect("Default screenshot shortcut should be valid")
};
// Register both shortcuts
register_shortcut_upon_start(app, toggle_shortcut, screenshot_shortcut);
}
/// Returns the currently configured shortcut as a string.
/// This is exposed as a Tauri command for the frontend to query.
#[tauri::command]
pub fn get_current_shortcut<R: Runtime>(app: AppHandle<R>) -> Result<String, String> {
Ok(get_shortcut_from_store(&app))
}
/// Unregisters the current global shortcut from the system.
/// This is exposed as a Tauri command for the frontend to trigger.
#[tauri::command]
pub fn unregister_shortcut<R: Runtime>(app: AppHandle<R>) {
let shortcut_str = get_shortcut_from_store(&app);
let shortcut = shortcut_str
.parse::<Shortcut>()
.expect("Stored shortcut string should be valid");
app.global_shortcut()
.unregister(shortcut)
.expect("Failed to unregister shortcut")
}
/// Changes the global shortcut to a new key combination.
/// This function:
/// 1. Validates the new shortcut
/// 2. Stores it in the persistent store
/// 3. Registers it with the system
#[tauri::command]
pub fn change_shortcut<R: Runtime>(
app: AppHandle<R>,
_window: tauri::Window<R>,
key: String,
) -> Result<(), String> {
println!("Key: {}", key);
let shortcut = match key.parse::<Shortcut>() {
Ok(shortcut) => shortcut,
Err(_) => return Err(format!("Invalid shortcut {}", key)),
};
// Store the new shortcut
let store = app
.get_store(HAYSTACK_TAURI_STORE)
.expect("Store should already be loaded or created");
store.set(HAYSTACK_GLOBAL_SHORTCUT, JsonValue::String(key));
// Register the new shortcut
register_shortcut(&app, shortcut);
Ok(())
}
/// Handles the window visibility toggle logic when the shortcut is pressed.
/// This function:
/// 1. Hides the window if it's visible
/// 2. Shows and focuses the window if it's hidden
/// 3. Emits a 'focus-search' event when showing the window
fn handle_window_visibility<R: Runtime>(app: &AppHandle<R>, window: &tauri::WebviewWindow<R>) {
if window.is_visible().unwrap() {
window.hide().unwrap();
} else {
window.show().unwrap();
window.set_focus().unwrap();
app.emit("focus-search", ()).unwrap();
}
}
/// Registers a new shortcut with the system.
/// This is used when changing shortcuts during runtime.
/// The function:
/// 1. Gets the main window
/// 2. Sets up the shortcut handler
/// 3. Registers the shortcut with the system
fn register_shortcut<R: Runtime>(app: &AppHandle<R>, shortcut: Shortcut) {
let main_window = app.get_webview_window("main").unwrap();
app.global_shortcut()
.on_shortcut(shortcut, move |app, scut, event| {
if scut == &shortcut {
if let ShortcutState::Pressed = event.state() {
handle_window_visibility(app, &main_window);
}
}
})
.map_err(|err| format!("Failed to register new shortcut '{}'", err))
.unwrap();
}
/// Registers a shortcut during application startup.
/// This is similar to register_shortcut but handles the initial plugin setup.
/// The function:
/// 1. Gets the main window
/// 2. Sets up the global shortcut plugin
/// 3. Registers the shortcut with the system
fn register_shortcut_upon_start(
app: &App,
toggle_shortcut: Shortcut,
screenshot_shortcut: Shortcut,
) {
let window = app
.get_webview_window("main")
.expect("webview to be defined");
app.handle()
.plugin(
tauri_plugin_global_shortcut::Builder::new()
.with_handler(move |app, scut, event| {
if scut == &toggle_shortcut {
if let ShortcutState::Pressed = event.state() {
handle_window_visibility(app, &window);
}
} else if scut == &screenshot_shortcut {
if let ShortcutState::Pressed = event.state() {
// TODO: Implement screenshot functionality
println!("Screenshot shortcut pressed");
}
if let Err(e) = take_area_screenshot(app) {
println!("Failed to take screenshot: {}", e);
}
}
})
.build(),
)
.unwrap();
app.global_shortcut().register(toggle_shortcut).unwrap();
app.global_shortcut().register(screenshot_shortcut).unwrap();
}
/// Retrieves the currently stored shortcut from the persistent store.
/// This is a helper function used by other functions to access the stored shortcut.
fn get_shortcut_from_store<R: Runtime>(app: &AppHandle<R>) -> String {
let store = app
.get_store(HAYSTACK_TAURI_STORE)
.expect("Store should already be loaded or created");
match store
.get(HAYSTACK_GLOBAL_SHORTCUT)
.expect("Shortcut should already be stored")
{
JsonValue::String(str) => str,
unexpected_type => panic!(
"Haystack shortcuts should be stored as strings, found type: {} ",
unexpected_type
),
}
}
#[tauri::command]
pub fn get_current_screenshot_shortcut<R: Runtime>(app: AppHandle<R>) -> Result<String, String> {
Ok(get_screenshot_shortcut_from_store(&app))
}
#[tauri::command]
pub fn unregister_screenshot_shortcut<R: Runtime>(app: AppHandle<R>) {
let shortcut_str = get_screenshot_shortcut_from_store(&app);
let shortcut = shortcut_str
.parse::<Shortcut>()
.expect("Stored shortcut string should be valid");
app.global_shortcut()
.unregister(shortcut)
.expect("Failed to unregister screenshot shortcut")
}
#[tauri::command]
pub fn change_screenshot_shortcut<R: Runtime>(
app: AppHandle<R>,
_window: tauri::Window<R>,
key: String,
) -> Result<(), String> {
let shortcut = match key.parse::<Shortcut>() {
Ok(shortcut) => shortcut,
Err(_) => return Err(format!("Invalid screenshot shortcut {}", key)),
};
let store = app
.get_store(HAYSTACK_TAURI_STORE)
.expect("Store should already be loaded or created");
store.set(HAYSTACK_SCREENSHOT_SHORTCUT, JsonValue::String(key));
register_screenshot_shortcut(&app, shortcut);
Ok(())
}
fn register_screenshot_shortcut<R: Runtime>(app: &AppHandle<R>, shortcut: Shortcut) {
app.global_shortcut()
.on_shortcut(shortcut, move |app, scut, event| {
if scut == &shortcut {
if let ShortcutState::Pressed = event.state() {
if let Err(e) = take_area_screenshot(app) {
println!("Failed to take screenshot: {}", e);
}
}
}
})
.map_err(|err| format!("Failed to register new screenshot shortcut '{}'", err))
.unwrap();
}
fn get_screenshot_shortcut_from_store<R: Runtime>(app: &AppHandle<R>) -> String {
let store = app
.get_store(HAYSTACK_TAURI_STORE)
.expect("Store should already be loaded or created");
match store
.get(HAYSTACK_SCREENSHOT_SHORTCUT)
.expect("Screenshot shortcut should already be stored")
{
JsonValue::String(str) => str,
unexpected_type => panic!(
"Haystack shortcuts should be stored as strings, found type: {} ",
unexpected_type
),
}
}