early-access version 1611
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pineappleEA
348
externals/SDL/src/video/uikit/SDL_uikitview.m
vendored
Executable file
348
externals/SDL/src/video/uikit/SDL_uikitview.m
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Executable file
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "../../SDL_internal.h"
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#if SDL_VIDEO_DRIVER_UIKIT
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#include "SDL_uikitview.h"
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#include "SDL_hints.h"
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#include "../../events/SDL_mouse_c.h"
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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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/* This is defined in SDL_sysjoystick.m */
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extern int SDL_AppleTVRemoteOpenedAsJoystick;
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@implementation SDL_uikitview {
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SDL_Window *sdlwindow;
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SDL_TouchID directTouchId;
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SDL_TouchID indirectTouchId;
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}
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- (instancetype)initWithFrame:(CGRect)frame
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{
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if ((self = [super initWithFrame:frame])) {
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#if TARGET_OS_TV
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/* Apple TV Remote touchpad swipe gestures. */
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UISwipeGestureRecognizer *swipeUp = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeGesture:)];
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swipeUp.direction = UISwipeGestureRecognizerDirectionUp;
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[self addGestureRecognizer:swipeUp];
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UISwipeGestureRecognizer *swipeDown = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeGesture:)];
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swipeDown.direction = UISwipeGestureRecognizerDirectionDown;
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[self addGestureRecognizer:swipeDown];
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UISwipeGestureRecognizer *swipeLeft = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeGesture:)];
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swipeLeft.direction = UISwipeGestureRecognizerDirectionLeft;
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[self addGestureRecognizer:swipeLeft];
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UISwipeGestureRecognizer *swipeRight = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeGesture:)];
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swipeRight.direction = UISwipeGestureRecognizerDirectionRight;
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[self addGestureRecognizer:swipeRight];
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#endif
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self.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
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self.autoresizesSubviews = YES;
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directTouchId = 1;
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indirectTouchId = 2;
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#if !TARGET_OS_TV
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self.multipleTouchEnabled = YES;
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SDL_AddTouch(directTouchId, SDL_TOUCH_DEVICE_DIRECT, "");
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#endif
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}
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return self;
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}
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- (void)setSDLWindow:(SDL_Window *)window
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{
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SDL_WindowData *data = nil;
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if (window == sdlwindow) {
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return;
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}
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/* Remove ourself from the old window. */
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if (sdlwindow) {
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SDL_uikitview *view = nil;
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data = (__bridge SDL_WindowData *) sdlwindow->driverdata;
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[data.views removeObject:self];
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[self removeFromSuperview];
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/* Restore the next-oldest view in the old window. */
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view = data.views.lastObject;
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data.viewcontroller.view = view;
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data.uiwindow.rootViewController = nil;
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data.uiwindow.rootViewController = data.viewcontroller;
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[data.uiwindow layoutIfNeeded];
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}
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/* Add ourself to the new window. */
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if (window) {
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data = (__bridge SDL_WindowData *) window->driverdata;
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/* Make sure the SDL window has a strong reference to this view. */
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[data.views addObject:self];
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/* Replace the view controller's old view with this one. */
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[data.viewcontroller.view removeFromSuperview];
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data.viewcontroller.view = self;
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/* The root view controller handles rotation and the status bar.
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* Assigning it also adds the controller's view to the window. We
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* explicitly re-set it to make sure the view is properly attached to
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* the window. Just adding the sub-view if the root view controller is
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* already correct causes orientation issues on iOS 7 and below. */
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data.uiwindow.rootViewController = nil;
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data.uiwindow.rootViewController = data.viewcontroller;
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/* The view's bounds may not be correct until the next event cycle. That
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* might happen after the current dimensions are queried, so we force a
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* layout now to immediately update the bounds. */
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[data.uiwindow layoutIfNeeded];
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}
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sdlwindow = window;
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}
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- (SDL_TouchDeviceType)touchTypeForTouch:(UITouch *)touch
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{
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#ifdef __IPHONE_9_0
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if ([touch respondsToSelector:@selector((type))]) {
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if (touch.type == UITouchTypeIndirect) {
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return SDL_TOUCH_DEVICE_INDIRECT_RELATIVE;
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}
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}
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#endif
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return SDL_TOUCH_DEVICE_DIRECT;
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}
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- (SDL_TouchID)touchIdForType:(SDL_TouchDeviceType)type
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{
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switch (type) {
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case SDL_TOUCH_DEVICE_DIRECT:
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default:
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return directTouchId;
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case SDL_TOUCH_DEVICE_INDIRECT_RELATIVE:
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return indirectTouchId;
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}
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}
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- (CGPoint)touchLocation:(UITouch *)touch shouldNormalize:(BOOL)normalize
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{
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CGPoint point = [touch locationInView:self];
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if (normalize) {
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CGRect bounds = self.bounds;
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point.x /= bounds.size.width;
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point.y /= bounds.size.height;
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}
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return point;
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}
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- (float)pressureForTouch:(UITouch *)touch
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{
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#ifdef __IPHONE_9_0
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if ([touch respondsToSelector:@selector(force)]) {
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return (float) touch.force;
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}
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#endif
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return 1.0f;
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}
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- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
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{
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for (UITouch *touch in touches) {
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SDL_TouchDeviceType touchType = [self touchTypeForTouch:touch];
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SDL_TouchID touchId = [self touchIdForType:touchType];
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float pressure = [self pressureForTouch:touch];
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if (SDL_AddTouch(touchId, touchType, "") < 0) {
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continue;
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}
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/* FIXME, need to send: int clicks = (int) touch.tapCount; ? */
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CGPoint locationInView = [self touchLocation:touch shouldNormalize:YES];
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SDL_SendTouch(touchId, (SDL_FingerID)((size_t)touch), sdlwindow,
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SDL_TRUE, locationInView.x, locationInView.y, pressure);
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}
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}
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- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
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{
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for (UITouch *touch in touches) {
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SDL_TouchDeviceType touchType = [self touchTypeForTouch:touch];
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SDL_TouchID touchId = [self touchIdForType:touchType];
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float pressure = [self pressureForTouch:touch];
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if (SDL_AddTouch(touchId, touchType, "") < 0) {
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continue;
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}
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/* FIXME, need to send: int clicks = (int) touch.tapCount; ? */
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CGPoint locationInView = [self touchLocation:touch shouldNormalize:YES];
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SDL_SendTouch(touchId, (SDL_FingerID)((size_t)touch), sdlwindow,
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SDL_FALSE, locationInView.x, locationInView.y, pressure);
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}
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}
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- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event
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{
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[self touchesEnded:touches withEvent:event];
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}
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- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
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{
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for (UITouch *touch in touches) {
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SDL_TouchDeviceType touchType = [self touchTypeForTouch:touch];
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SDL_TouchID touchId = [self touchIdForType:touchType];
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float pressure = [self pressureForTouch:touch];
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if (SDL_AddTouch(touchId, touchType, "") < 0) {
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continue;
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}
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CGPoint locationInView = [self touchLocation:touch shouldNormalize:YES];
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SDL_SendTouchMotion(touchId, (SDL_FingerID)((size_t)touch), sdlwindow,
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locationInView.x, locationInView.y, pressure);
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}
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}
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#if TARGET_OS_TV || defined(__IPHONE_9_1)
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- (SDL_Scancode)scancodeFromPressType:(UIPressType)presstype
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{
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switch (presstype) {
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case UIPressTypeUpArrow:
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return SDL_SCANCODE_UP;
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case UIPressTypeDownArrow:
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return SDL_SCANCODE_DOWN;
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case UIPressTypeLeftArrow:
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return SDL_SCANCODE_LEFT;
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case UIPressTypeRightArrow:
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return SDL_SCANCODE_RIGHT;
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case UIPressTypeSelect:
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/* HIG says: "primary button behavior" */
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return SDL_SCANCODE_RETURN;
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case UIPressTypeMenu:
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/* HIG says: "returns to previous screen" */
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return SDL_SCANCODE_ESCAPE;
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case UIPressTypePlayPause:
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/* HIG says: "secondary button behavior" */
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return SDL_SCANCODE_PAUSE;
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default:
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return SDL_SCANCODE_UNKNOWN;
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}
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}
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- (void)pressesBegan:(NSSet<UIPress *> *)presses withEvent:(UIPressesEvent *)event
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{
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if (!SDL_AppleTVRemoteOpenedAsJoystick) {
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for (UIPress *press in presses) {
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SDL_Scancode scancode = [self scancodeFromPressType:press.type];
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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_AppleTVRemoteOpenedAsJoystick) {
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for (UIPress *press in presses) {
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SDL_Scancode scancode = [self scancodeFromPressType:press.type];
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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_AppleTVRemoteOpenedAsJoystick) {
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for (UIPress *press in presses) {
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SDL_Scancode scancode = [self scancodeFromPressType:press.type];
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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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- (void)pressesChanged:(NSSet<UIPress *> *)presses withEvent:(UIPressesEvent *)event
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{
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/* This is only called when the force of a press changes. */
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[super pressesChanged:presses withEvent:event];
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}
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#endif /* TARGET_OS_TV || defined(__IPHONE_9_1) */
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#if TARGET_OS_TV
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-(void)swipeGesture:(UISwipeGestureRecognizer *)gesture
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{
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/* Swipe gestures don't trigger begin states. */
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if (gesture.state == UIGestureRecognizerStateEnded) {
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if (!SDL_AppleTVRemoteOpenedAsJoystick) {
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/* Send arrow key presses for now, as we don't have an external API
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* which better maps to swipe gestures. */
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switch (gesture.direction) {
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case UISwipeGestureRecognizerDirectionUp:
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SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_UP);
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SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_UP);
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break;
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case UISwipeGestureRecognizerDirectionDown:
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SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_DOWN);
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SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_DOWN);
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break;
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case UISwipeGestureRecognizerDirectionLeft:
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SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_LEFT);
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SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_LEFT);
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break;
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case UISwipeGestureRecognizerDirectionRight:
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SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_RIGHT);
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SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_RIGHT);
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break;
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}
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}
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}
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}
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#endif /* TARGET_OS_TV */
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@end
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#endif /* SDL_VIDEO_DRIVER_UIKIT */
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/* vi: set ts=4 sw=4 expandtab: */
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