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Android: Improved multi-touch (#1783)

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* Improved multi-touch

* Update feature matrix

* Generate cancelled events for all pointers

* Changed back features matrix layout

* Reduced code duplication

* Updated changelog

* Revert changelog update
This commit is contained in:
Marnix Kuijs 2020-12-02 21:13:42 +01:00 committed by GitHub
parent 6ddee9a8ac
commit 8fb7aa5cef
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2 changed files with 17 additions and 4 deletions
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2
FEATURES.md
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@ -202,7 +202,7 @@ Legend:
|Cursor icon |✔️ |✔️ |✔️ |✔️ |**N/A**|**N/A**|✔️ |
|Touch events |✔️ |❌ |✔️ |✔️ |✔️ |✔️ |❌ |
|Touch pressure |✔️ |❌ |❌ |❌ |❌ |✔️ |❌ |
|Multitouch |✔️ |❌ |✔️ |✔️ |❓ |✔️ |❌ |
|Multitouch |✔️ |❌ |✔️ |✔️ |✔️ |✔️ |❌ |
|Keyboard events |✔️ |✔️ |✔️ |✔️ |❓ |❌ |✔️ |
|Drag & Drop |▢[#720] |▢[#720] |▢[#720] |❌[#306] |**N/A**|**N/A**|❓ |
|Raw Device Events |▢[#750] |▢[#750] |▢[#750] |❌ |❌ |❌ |❓ |

19
src/platform_impl/android/mod.rs
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@ -193,14 +193,27 @@ impl<T: 'static> EventLoop<T> {
}
_ => None, // TODO mouse events
};
if let Some(phase) = phase {
for pointer in motion_event.pointers() {
let pointers: Box<
dyn Iterator<Item = ndk::event::Pointer<'_>>,
> = match phase {
event::TouchPhase::Started
| event::TouchPhase::Ended => Box::new(
std::iter::once(motion_event.pointer_at_index(
motion_event.pointer_index(),
)),
),
event::TouchPhase::Moved
| event::TouchPhase::Cancelled => {
Box::new(motion_event.pointers())
}
};
for pointer in pointers {
let location = PhysicalPosition {
x: pointer.x() as _,
y: pointer.y() as _,
};
let event = event::Event::WindowEvent {
window_id,
event: event::WindowEvent::Touch(