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authorStanley Yip <stanley_yip@brown.edu>2020-01-13 15:25:07 -0500
committerStanley Yip <stanley_yip@brown.edu>2020-01-13 15:25:07 -0500
commitd86b4db095379d473820271868e8f7cd5830d502 (patch)
tree1bd9826f9a900d4002100f097a86249910f01451 /src/client/views/Touchable.tsx
parent36eed6cc3a3387a1f7755a848aea4e19e2645e14 (diff)
palette events are now on gestureOverlay, but cffv and dv is still capturing one and two finger events, which makes it impossible for the gestureoverlay to capture 5 fingers spread across different targets
Diffstat (limited to 'src/client/views/Touchable.tsx')
-rw-r--r--src/client/views/Touchable.tsx21
1 files changed, 15 insertions, 6 deletions
diff --git a/src/client/views/Touchable.tsx b/src/client/views/Touchable.tsx
index 3eb66ff72..24ea801a0 100644
--- a/src/client/views/Touchable.tsx
+++ b/src/client/views/Touchable.tsx
@@ -21,15 +21,26 @@ export abstract class Touchable<T = {}> extends React.Component<T> {
*/
@action
protected onTouchStart = (e: React.TouchEvent): void => {
+ const actualPts: React.Touch[] = [];
for (let i = 0; i < e.targetTouches.length; i++) {
const pt: any = e.targetTouches.item(i);
+ actualPts.push(pt);
// pen is also a touch, but with a radius of 0.5 (at least with the surface pens)
// and this seems to be the only way of differentiating pen and touch on touch events
- if (pt.radiusX > 0.5 && pt.radiusY > 0.5) {
+ if (pt.radiusX > 1 && pt.radiusY > 1) {
this.prevPoints.set(pt.identifier, pt);
}
}
+ const ptsToDelete: number[] = [];
+ this.prevPoints.forEach(pt => {
+ if (!actualPts.includes(pt)) {
+ ptsToDelete.push(pt.identifier);
+ }
+ });
+
+ ptsToDelete.forEach(pt => this.prevPoints.delete(pt));
+
if (this.prevPoints.size) {
switch (this.prevPoints.size) {
case 1:
@@ -57,13 +68,12 @@ export abstract class Touchable<T = {}> extends React.Component<T> {
*/
@action
protected onTouch = (e: TouchEvent): void => {
- const myTouches = InteractionUtils.GetMyTargetTouches(e, this.prevPoints);
+ const myTouches = InteractionUtils.GetMyTargetTouches(e, this.prevPoints, true);
// if we're not actually moving a lot, don't consider it as dragging yet
if (!InteractionUtils.IsDragging(this.prevPoints, myTouches, 5) && !this._touchDrag) return;
this._touchDrag = true;
if (this.holdTimer) {
- console.log("clear");
clearTimeout(this.holdTimer);
this.holdTimer = undefined;
}
@@ -99,7 +109,6 @@ export abstract class Touchable<T = {}> extends React.Component<T> {
}
}
if (this.holdTimer) {
- console.log("clear");
clearTimeout(this.holdTimer);
this.holdTimer = undefined;
}
@@ -152,7 +161,7 @@ export abstract class Touchable<T = {}> extends React.Component<T> {
}
handleHandDown = (e: React.TouchEvent) => {
- e.stopPropagation();
- e.preventDefault();
+ // e.stopPropagation();
+ // e.preventDefault();
}
} \ No newline at end of file