Fixed touch long press.

TODO/_current.md

@@ -32,6 +32,10 @@
 
 # Touch Events
 
+* Context menu opens at the mouse cursor position on long press.
+    - It also does not close on tap out.
+    - Issue is probably in `LAYERS`.
+
 * We want the same gesture in combo box of clicking and dragging to the option.
     - Maybe use the swipe/fling gesture?
 

zero-ui-core/src/gesture.rs

@@ -236,7 +236,7 @@ impl ClickArgs {
         self.click_count.get() == 1
             && match &self.source {
                 ClickArgsSource::Mouse { button, .. } => *button == MouseButton::Right,
-                ClickArgsSource::Touch { is_tap, .. } => *is_tap,
+                ClickArgsSource::Touch { is_tap, .. } => !*is_tap,
                 ClickArgsSource::Shortcut { kind, .. } => *kind == ShortcutClick::Context,
             }
     }
@@ -981,6 +981,11 @@ impl AppExtension for GestureManager {
             if !args.propagation().is_stopped() {
                 CLICK_EVENT.notify(args.clone().into());
             }
+        } else if let Some(args) = TOUCH_LONG_PRESS_EVENT.on(update) {
+            // Generate click events from touch long press.
+            if !args.propagation().is_stopped() {
+                CLICK_EVENT.notify(args.clone().into());
+            }
         } else if let Some(args) = SHORTCUT_EVENT.on(update) {
             // Run shortcut actions.
             GESTURES_SV.write().on_shortcut(args);

zero-ui-core/src/touch.rs

@@ -1516,7 +1516,12 @@ impl LongPressGesture {
             if !p.canceled && !p.propagation.is_stopped() {
                 for m in &args.touches {
                     if p.propagation == m.touch_propagation {
-                        // !!: TODO, check if moved too far
+                        let dist = p.position - m.position().to_vector();
+                        let max = TOUCH.touch_config().get().tap_area;
+                        if dist.x.abs() > max.width || dist.y.abs() > max.height {
+                            p.canceled = true;
+                            break;
+                        }
                     } else {
                         p.canceled = true;
                         break;