Added support for low latency mouse and keyboard handling in iOS 14
The mouse support in iOS 14.0 has a bug with accumulating duplicate mouse deltas that won't be fixed until iOS 14.1, so we don't enable it until then.
Sam Lantinga
parent
d9aea0c3a0
commit
a3a0ef7527
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@ -25,6 +25,14 @@
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extern void UIKit_PumpEvents(_THIS);
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extern void SDL_InitGCKeyboard(void);
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extern SDL_bool SDL_HasGCKeyboard(void);
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extern void SDL_QuitGCKeyboard(void);
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extern void SDL_InitGCMouse(void);
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extern SDL_bool SDL_HasGCMouse(void);
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extern void SDL_QuitGCMouse(void);
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#endif /* SDL_uikitevents_h_ */
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/* vi: set ts=4 sw=4 expandtab: */
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@ -30,6 +30,13 @@
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#import <Foundation/Foundation.h>
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#if (__IPHONE_OS_VERSION_MAX_ALLOWED >= 140000) || (__APPLETV_OS_VERSION_MAX_ALLOWED >= 140000) || (__MAC_OS_VERSION_MAX_ALLOWED > 1500000)
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#import <GameController/GameController.h>
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#define ENABLE_GCKEYBOARD
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#define ENABLE_GCMOUSE
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#endif
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static BOOL UIKit_EventPumpEnabled = YES;
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void
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@ -70,6 +77,247 @@ UIKit_PumpEvents(_THIS)
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#endif
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}
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#ifdef ENABLE_GCKEYBOARD
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static SDL_bool keyboard_connected = SDL_FALSE;
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static id keyboard_connect_observer = nil;
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static id keyboard_disconnect_observer = nil;
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static void OnGCKeyboardConnected(GCKeyboard *keyboard) API_AVAILABLE(macos(11.0), ios(14.0), tvos(14.0))
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{
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keyboard_connected = SDL_TRUE;
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keyboard.keyboardInput.keyChangedHandler = ^(GCKeyboardInput *keyboard, GCControllerButtonInput *key, GCKeyCode keyCode, BOOL pressed)
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{
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SDL_SendKeyboardKey(pressed ? SDL_PRESSED : SDL_RELEASED, (SDL_Scancode)keyCode);
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};
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}
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static void OnGCKeyboardDisconnected(GCKeyboard *keyboard) API_AVAILABLE(macos(11.0), ios(14.0), tvos(14.0))
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{
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keyboard.keyboardInput.keyChangedHandler = nil;
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keyboard_connected = SDL_FALSE;
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}
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void SDL_InitGCKeyboard(void)
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{
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@autoreleasepool {
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if (@available(iOS 14.0, tvOS 14.0, *)) {
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NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
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keyboard_connect_observer = [center addObserverForName:GCKeyboardDidConnectNotification
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object:nil
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queue:nil
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usingBlock:^(NSNotification *note) {
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GCKeyboard *keyboard = note.object;
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OnGCKeyboardConnected(keyboard);
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}];
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keyboard_disconnect_observer = [center addObserverForName:GCKeyboardDidDisconnectNotification
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object:nil
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queue:nil
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usingBlock:^(NSNotification *note) {
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GCKeyboard *keyboard = note.object;
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OnGCKeyboardDisconnected(keyboard);
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}];
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if (GCKeyboard.coalescedKeyboard != nil) {
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OnGCKeyboardConnected(GCKeyboard.coalescedKeyboard);
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}
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}
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}
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}
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SDL_bool SDL_HasGCKeyboard(void)
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{
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return keyboard_connected;
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}
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void SDL_QuitGCKeyboard(void)
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{
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@autoreleasepool {
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if (@available(iOS 14.0, tvOS 14.0, *)) {
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NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
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if (keyboard_connect_observer) {
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[center removeObserver:keyboard_connect_observer name:GCKeyboardDidConnectNotification object:nil];
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keyboard_connect_observer = nil;
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}
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if (keyboard_disconnect_observer) {
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[center removeObserver:keyboard_disconnect_observer name:GCKeyboardDidDisconnectNotification object:nil];
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keyboard_disconnect_observer = nil;
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}
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if (GCKeyboard.coalescedKeyboard != nil) {
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OnGCKeyboardDisconnected(GCKeyboard.coalescedKeyboard);
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}
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}
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}
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}
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#else
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void SDL_InitGCKeyboard(void)
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{
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}
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SDL_bool SDL_HasGCKeyboard(void)
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{
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return SDL_FALSE;
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}
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void SDL_QuitGCKeyboard(void)
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{
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}
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#endif /* ENABLE_GCKEYBOARD */
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#ifdef ENABLE_GCMOUSE
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static int mice_connected = 0;
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static id mouse_connect_observer = nil;
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static id mouse_disconnect_observer = nil;
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static int SetGCMouseRelativeMode(SDL_bool enabled)
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{
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/* We'll always send relative motion and we can't warp, so nothing to do here */
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return 0;
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}
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static void OnGCMouseButtonChanged(SDL_MouseID mouseID, Uint8 button, BOOL pressed)
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{
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SDL_SendMouseButton(SDL_GetMouseFocus(), mouseID, pressed ? SDL_PRESSED : SDL_RELEASED, button);
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}
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static void OnGCMouseConnected(GCMouse *mouse) API_AVAILABLE(macos(11.0), ios(14.0), tvos(14.0))
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{
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SDL_MouseID mouseID = mice_connected;
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mouse.mouseInput.leftButton.pressedChangedHandler = ^(GCControllerButtonInput *button, float value, BOOL pressed)
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{
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OnGCMouseButtonChanged(mouseID, SDL_BUTTON_LEFT, pressed);
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};
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mouse.mouseInput.middleButton.pressedChangedHandler = ^(GCControllerButtonInput *button, float value, BOOL pressed)
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{
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OnGCMouseButtonChanged(mouseID, SDL_BUTTON_MIDDLE, pressed);
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};
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mouse.mouseInput.rightButton.pressedChangedHandler = ^(GCControllerButtonInput *button, float value, BOOL pressed)
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{
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OnGCMouseButtonChanged(mouseID, SDL_BUTTON_RIGHT, pressed);
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};
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int auxiliary_button = SDL_BUTTON_X1;
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for (GCControllerButtonInput *button in mouse.mouseInput.auxiliaryButtons) {
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button.pressedChangedHandler = ^(GCControllerButtonInput *button, float value, BOOL pressed)
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{
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OnGCMouseButtonChanged(mouseID, auxiliary_button, pressed);
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};
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++auxiliary_button;
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}
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mouse.mouseInput.mouseMovedHandler = ^(GCMouseInput *mouse, float deltaX, float deltaY)
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{
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SDL_SendMouseMotion(SDL_GetMouseFocus(), mouseID, SDL_TRUE, (int)deltaX, -(int)deltaY);
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};
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++mice_connected;
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}
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static void OnGCMouseDisconnected(GCMouse *mouse) API_AVAILABLE(macos(11.0), ios(14.0), tvos(14.0))
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{
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--mice_connected;
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mouse.mouseInput.mouseMovedHandler = nil;
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mouse.mouseInput.leftButton.pressedChangedHandler = nil;
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mouse.mouseInput.middleButton.pressedChangedHandler = nil;
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mouse.mouseInput.rightButton.pressedChangedHandler = nil;
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for (GCControllerButtonInput *button in mouse.mouseInput.auxiliaryButtons) {
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button.pressedChangedHandler = nil;
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}
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}
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void SDL_InitGCMouse(void)
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{
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@autoreleasepool {
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/* There is a bug where mouse accumulates duplicate deltas over time in iOS 14.0 */
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if (@available(iOS 14.1, tvOS 14.1, *)) {
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NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
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mouse_connect_observer = [center addObserverForName:GCMouseDidConnectNotification
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object:nil
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queue:nil
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usingBlock:^(NSNotification *note) {
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GCMouse *mouse = note.object;
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OnGCMouseConnected(mouse);
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}];
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mouse_disconnect_observer = [center addObserverForName:GCMouseDidDisconnectNotification
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object:nil
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queue:nil
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usingBlock:^(NSNotification *note) {
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GCMouse *mouse = note.object;
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OnGCMouseDisconnected(mouse);
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}];
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for (GCMouse *mouse in [GCMouse mice]) {
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OnGCMouseConnected(mouse);
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}
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SDL_GetMouse()->SetRelativeMouseMode = SetGCMouseRelativeMode;
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}
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}
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}
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SDL_bool SDL_HasGCMouse(void)
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{
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return (mice_connected > 0);
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}
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void SDL_QuitGCMouse(void)
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{
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@autoreleasepool {
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if (@available(iOS 14.0, tvOS 14.0, *)) {
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NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
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if (mouse_connect_observer) {
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[center removeObserver:mouse_connect_observer name:GCMouseDidConnectNotification object:nil];
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mouse_connect_observer = nil;
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}
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if (mouse_disconnect_observer) {
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[center removeObserver:mouse_disconnect_observer name:GCMouseDidDisconnectNotification object:nil];
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mouse_disconnect_observer = nil;
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}
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for (GCMouse *mouse in [GCMouse mice]) {
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OnGCMouseDisconnected(mouse);
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}
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SDL_GetMouse()->SetRelativeMouseMode = NULL;
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}
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}
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}
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#else
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void SDL_InitGCMouse(void)
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{
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}
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SDL_bool SDL_HasGCMouse(void)
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{
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return SDL_FALSE;
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}
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void SDL_QuitGCMouse(void)
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{
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}
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#endif /* ENABLE_GCMOUSE */
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#endif /* SDL_VIDEO_DRIVER_UIKIT */
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/* vi: set ts=4 sw=4 expandtab: */
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@ -158,12 +158,19 @@ UIKit_VideoInit(_THIS)
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if (UIKit_InitModes(_this) < 0) {
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return -1;
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}
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SDL_InitGCKeyboard();
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SDL_InitGCMouse();
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return 0;
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}
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void
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UIKit_VideoQuit(_THIS)
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{
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SDL_QuitGCKeyboard();
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SDL_QuitGCMouse();
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UIKit_QuitModes(_this);
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}
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@ -29,9 +29,10 @@
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#include "../../events/SDL_touch_c.h"
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#include "../../events/SDL_events_c.h"
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#import "SDL_uikitappdelegate.h"
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#import "SDL_uikitmodes.h"
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#import "SDL_uikitwindow.h"
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#include "SDL_uikitappdelegate.h"
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#include "SDL_uikitevents.h"
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#include "SDL_uikitmodes.h"
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#include "SDL_uikitwindow.h"
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/* The maximum number of mouse buttons we support */
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#define MAX_MOUSE_BUTTONS 5
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#if !TARGET_OS_TV && defined(__IPHONE_13_4)
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- (UIPointerRegion *)pointerInteraction:(UIPointerInteraction *)interaction regionForRequest:(UIPointerRegionRequest *)request defaultRegion:(UIPointerRegion *)defaultRegion API_AVAILABLE(ios(13.4)){
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if (request != nil) {
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if (request != nil && !SDL_HasGCMouse()) {
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CGPoint origin = self.bounds.origin;
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CGPoint point = request.location;
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@ -236,10 +237,11 @@ extern int SDL_AppleTVRemoteOpenedAsJoystick;
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#if !TARGET_OS_TV && defined(__IPHONE_13_4)
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if (@available(iOS 13.4, *)) {
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if (touch.type == UITouchTypeIndirectPointer) {
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if (!SDL_HasGCMouse()) {
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int i;
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for (i = 1; i <= MAX_MOUSE_BUTTONS; ++i) {
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if (event.buttonMask & SDL_BUTTON(i)) {
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if ((event.buttonMask & SDL_BUTTON(i)) != 0) {
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Uint8 button;
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switch (i) {
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@ -259,6 +261,7 @@ extern int SDL_AppleTVRemoteOpenedAsJoystick;
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SDL_SendMouseButton(sdlwindow, 0, SDL_PRESSED, button);
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}
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}
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}
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handled = YES;
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}
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}
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@ -289,10 +292,11 @@ extern int SDL_AppleTVRemoteOpenedAsJoystick;
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#if !TARGET_OS_TV && defined(__IPHONE_13_4)
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if (@available(iOS 13.4, *)) {
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if (touch.type == UITouchTypeIndirectPointer) {
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if (!SDL_HasGCMouse()) {
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int i;
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for (i = 1; i <= MAX_MOUSE_BUTTONS; ++i) {
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if (!(event.buttonMask & SDL_BUTTON(i))) {
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if ((event.buttonMask & SDL_BUTTON(i)) != 0) {
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Uint8 button;
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switch (i) {
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@ -312,6 +316,7 @@ extern int SDL_AppleTVRemoteOpenedAsJoystick;
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SDL_SendMouseButton(sdlwindow, 0, SDL_RELEASED, button);
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}
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}
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}
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handled = YES;
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}
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}
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@ -411,28 +416,34 @@ extern int SDL_AppleTVRemoteOpenedAsJoystick;
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- (void)pressesBegan:(NSSet<UIPress *> *)presses withEvent:(UIPressesEvent *)event
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{
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if (!SDL_HasGCKeyboard()) {
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for (UIPress *press in presses) {
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SDL_Scancode scancode = [self scancodeFromPress:press];
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SDL_SendKeyboardKey(SDL_PRESSED, scancode);
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}
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}
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[super pressesBegan:presses withEvent:event];
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}
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- (void)pressesEnded:(NSSet<UIPress *> *)presses withEvent:(UIPressesEvent *)event
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{
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if (!SDL_HasGCKeyboard()) {
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for (UIPress *press in presses) {
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SDL_Scancode scancode = [self scancodeFromPress:press];
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SDL_SendKeyboardKey(SDL_RELEASED, scancode);
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}
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}
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[super pressesEnded:presses withEvent:event];
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}
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- (void)pressesCancelled:(NSSet<UIPress *> *)presses withEvent:(UIPressesEvent *)event
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{
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if (!SDL_HasGCKeyboard()) {
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for (UIPress *press in presses) {
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SDL_Scancode scancode = [self scancodeFromPress:press];
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SDL_SendKeyboardKey(SDL_RELEASED, scancode);
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}
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}
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[super pressesCancelled:presses withEvent:event];
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}
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@ -430,7 +430,7 @@ SDL_HideHomeIndicatorHintChanged(void *userdata, const char *name, const char *o
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}
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if (mod & KMOD_SHIFT) {
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/* If character uses shift, press shift down */
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/* If character uses shift, press shift */
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SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_LSHIFT);
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}
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@ -439,7 +439,7 @@ SDL_HideHomeIndicatorHintChanged(void *userdata, const char *name, const char *o
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SDL_SendKeyboardKey(SDL_RELEASED, code);
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if (mod & KMOD_SHIFT) {
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/* If character uses shift, press shift back up */
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/* If character uses shift, release shift */
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SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_LSHIFT);
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}
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}
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