flutter/flame
1
0
Fork 0
mirror of https://github.com/flame-engine/flame.git synced 2025-11-11 18:11:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

Generic way of handling tap events

Browse Source
This commit is contained in:
Lukas Klingsbo
2020-12-04 00:12:10 +01:00
committed by renancaraujo
parent add2a4fdc8
commit ddaa8b296e
1 changed files with 10 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
lib/components/mixins/tapable.dart
View File

@@ -50,17 +50,14 @@ mixin Tapable on BaseComponent {
} }
mixin HasTapableComponents on BaseGame { mixin HasTapableComponents on BaseGame {
@mustCallSuper void _handleTapEvent(bool Function(Tapable child) tapEventHandler) {
void onTapCancel(int pointerId) {
for (Component c in components.toList().reversed) { for (Component c in components.toList().reversed) {
bool shouldContinue = true; bool shouldContinue = true;
if (c is BaseComponent) { if (c is BaseComponent) {
shouldContinue = c.propagateToChildren<Tapable>( shouldContinue = c.propagateToChildren<Tapable>(tapEventHandler);
(child) => child.handleTapCancel(pointerId),
);
} }
if (c is Tapable && shouldContinue) { if (c is Tapable && shouldContinue) {
shouldContinue = c.handleTapCancel(pointerId); shouldContinue = tapEventHandler(c);
} }
if (!shouldContinue) { if (!shouldContinue) {
break; break;
@@ -68,39 +65,18 @@ mixin HasTapableComponents on BaseGame {
} }
} }
@mustCallSuper
void onTapCancel(int pointerId) {
_handleTapEvent((Tapable child) => child.handleTapCancel(pointerId));
}
@mustCallSuper @mustCallSuper
void onTapDown(int pointerId, TapDownDetails details) { void onTapDown(int pointerId, TapDownDetails details) {
for (Component c in components.toList().reversed) { _handleTapEvent((Tapable child) => child.handleTapDown(pointerId, details));
bool shouldContinue = true;
if (c is BaseComponent) {
shouldContinue = c.propagateToChildren<Tapable>(
(child) => child.handleTapDown(pointerId, details),
);
}
if (c is Tapable && shouldContinue) {
shouldContinue = c.handleTapDown(pointerId, details);
}
if (!shouldContinue) {
break;
}
}
} }
@mustCallSuper @mustCallSuper
void onTapUp(int pointerId, TapUpDetails details) { void onTapUp(int pointerId, TapUpDetails details) {
for (Component c in components.toList().reversed) { _handleTapEvent((Tapable child) => child.handleTapUp(pointerId, details));
bool shouldContinue = true;
if (c is BaseComponent) {
shouldContinue = c.propagateToChildren<Tapable>(
(child) => child.handleTapUp(pointerId, details),
);
}
if (c is Tapable && shouldContinue) {
shouldContinue = c.handleTapUp(pointerId, details);
}
if (!shouldContinue) {
break;
}
}
} }
} }