word selection

src/bin/client/main.rs

@@ -15,7 +15,7 @@ use openworm::{
     rsc::DataDir,
 };
 use render::Renderer;
-use std::sync::Arc;
+use std::{sync::Arc, time::Instant};
 use winit::{
     event::{Ime, WindowEvent},
     event_loop::{ActiveEventLoop, EventLoopProxy},
@@ -53,6 +53,7 @@ pub struct Client {
     handle: AppHandle,
     error: Option<WidgetId<WidgetPtr>>,
     ime: usize,
+    last_click: Instant,
 }
 
 impl Client {
@@ -79,6 +80,7 @@ impl Client {
             clipboard: Clipboard::new().unwrap(),
             error: None,
             ime: 0,
+            last_click: Instant::now(),
         };
         ui::init(&mut s);
         s
@@ -118,10 +120,8 @@ impl Client {
     pub fn window_event(&mut self, event: WindowEvent, event_loop: &ActiveEventLoop) {
         let input_changed = self.input.event(&event);
         let cursor_state = self.cursor_state().clone();
-        if let Some(focus) = &self.focus
-            && cursor_state.buttons.left.is_start()
-        {
-            self.ui.text(focus).deselect();
+        let old = self.focus.clone();
+        if cursor_state.buttons.left.is_start() {
             self.focus = None;
         }
         if input_changed {
@@ -129,6 +129,11 @@ impl Client {
             self.run_sensors(&cursor_state, window_size);
             self.ui.run_sensors(&cursor_state, window_size);
         }
+        if old != self.focus
+            && let Some(old) = old
+        {
+            self.ui.text(&old).deselect();
+        }
         match event {
             WindowEvent::CloseRequested => event_loop.exit(),
             WindowEvent::RedrawRequested => {

src/bin/client/ui/misc.rs

@@ -1,3 +1,5 @@
+use std::time::{Duration, Instant};
+
 use super::*;
 
 pub fn error(ui: &mut Ui, msg: &str) -> WidgetId {
@@ -49,10 +51,13 @@ impl WidgetAttr<TextEdit> for Selectable {
 }
 
 fn select(id: WidgetId<TextEdit>, client: &mut Client, data: CursorData) {
+    let now = Instant::now();
+    let recent = (now - client.last_click) < Duration::from_millis(300);
+    client.last_click = now;
     client
         .ui
         .text(&id)
-        .select(data.cursor, data.size, data.sense.is_dragging());
+        .select(data.cursor, data.size, data.sense.is_dragging(), recent);
     if let Some(region) = client.ui.window_region(&id) {
         client.handle.window.set_ime_allowed(true);
         client.handle.window.set_ime_cursor_area(