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Added documentation that the UIApplicationSupportsIndirectInputEvents key must be set to true

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in your application's Info.plist in order to get real Bluetooth mouse events.
This commit is contained in:
Sam Lantinga
2021-11-09 20:32:16 -08:00
parent a7e2e3a329
commit 19c129faba
4 changed files with 39 additions and 19 deletions
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46
src/video/uikit/SDL_uikitevents.m
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@@ -268,29 +268,37 @@ void SDL_InitGCMouse(void)
@autoreleasepool {
/* There is a bug where mouse accumulates duplicate deltas over time in iOS 14.0 */
if (@available(iOS 14.1, tvOS 14.1, *)) {
NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
/* iOS will not send the new pointer touch events if you don't have this key,
* and we need them to differentiate between mouse events and real touch events.
*/
BOOL indirect_input_available = [[[[NSBundle mainBundle] infoDictionary] objectForKey:@"UIApplicationSupportsIndirectInputEvents"] boolValue];
if (indirect_input_available) {
NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
mouse_connect_observer = [center addObserverForName:GCMouseDidConnectNotification
object:nil
queue:nil
usingBlock:^(NSNotification *note) {
GCMouse *mouse = note.object;
OnGCMouseConnected(mouse);
}];
mouse_connect_observer = [center addObserverForName:GCMouseDidConnectNotification
object:nil
queue:nil
usingBlock:^(NSNotification *note) {
GCMouse *mouse = note.object;
OnGCMouseConnected(mouse);
}];
mouse_disconnect_observer = [center addObserverForName:GCMouseDidDisconnectNotification
object:nil
queue:nil
usingBlock:^(NSNotification *note) {
GCMouse *mouse = note.object;
OnGCMouseDisconnected(mouse);
}];
mouse_disconnect_observer = [center addObserverForName:GCMouseDidDisconnectNotification
object:nil
queue:nil
usingBlock:^(NSNotification *note) {
GCMouse *mouse = note.object;
OnGCMouseDisconnected(mouse);
}];
for (GCMouse *mouse in [GCMouse mice]) {
OnGCMouseConnected(mouse);
for (GCMouse *mouse in [GCMouse mice]) {
OnGCMouseConnected(mouse);
}
SDL_GetMouse()->SetRelativeMouseMode = SetGCMouseRelativeMode;
} else {
NSLog(@"You need UIApplicationSupportsIndirectInputEvents in your Info.plist for mouse support");
}
SDL_GetMouse()->SetRelativeMouseMode = SetGCMouseRelativeMode;
}
}
}