DEV/flutter_flutter
1
0
Fork 0
mirror of https://github.com/flutter/flutter.git synced 2026-02-20 02:29:02 +08:00
Code Issues Packages Projects Releases Wiki Activity

Patch buttons for chromebook touchpad (#11420)

Browse Source 
Changes irregular events of touchpad scrolling on Chromebook to have buttons: 1.
This commit is contained in:
Tong Mu 2019-08-26 11:49:55 -07:00 committed by GitHub
parent a34f9a811c
commit ba1a303ae2
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
shell/platform/android/io/flutter/embedding/android/AndroidTouchProcessor.java
View File

@ -76,6 +76,8 @@ public class AndroidTouchProcessor {
@NonNull
private final FlutterRenderer renderer;
private static final int _POINTER_BUTTON_PRIMARY = 1;
/**
* Constructs an {@code AndroidTouchProcessor} that will send touch event data
* to the Flutter execution context represented by the given {@link FlutterRenderer}.
@ -199,13 +201,22 @@ public class AndroidTouchProcessor {
packet.putDouble(event.getX(pointerIndex)); // physical_x
packet.putDouble(event.getY(pointerIndex)); // physical_y
long buttons;
if (pointerKind == PointerDeviceKind.MOUSE) {
packet.putLong(event.getButtonState() & 0x1F); // buttons
buttons = event.getButtonState() & 0x1F;
// TODO(dkwingsmt): Remove this fix after implementing touchpad gestures
// https://github.com/flutter/flutter/issues/23604#issuecomment-524471152
if (buttons == 0 &&
event.getSource() == InputDevice.SOURCE_MOUSE &&
(pointerChange == PointerChange.DOWN || pointerChange == PointerChange.MOVE)) {
buttons = _POINTER_BUTTON_PRIMARY;
}
} else if (pointerKind == PointerDeviceKind.STYLUS) {
packet.putLong((event.getButtonState() >> 4) & 0xF); // buttons
buttons = (event.getButtonState() >> 4) & 0xF;
} else {
packet.putLong(0); // buttons
buttons = 0;
}
packet.putLong(buttons); // buttons
packet.putLong(0); // obscured