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backends/platform/ios7/ios7_game_controller.mm

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+// Disable symbol overrides so that we can use system headers.
+#define FORBIDDEN_SYMBOL_ALLOW_ALL
+
+#include "common/events.h"
+#include "backends/platform/ios7/ios7_game_controller.h"
+#include "backends/platform/ios7/ios7_video.h"
+
+@interface GameController()
+@property (nonatomic, assign) BOOL firstButtonPressed;
+@property (nonatomic, assign) BOOL secondButtonPressed;
+@end
+
+@implementation GameController
+
+@synthesize view;
+
+- (id)initWithView:(iPhoneView *)v {
+	self = [super init];
+	if (self) {
+		[self setView:v];
+	}
+	_firstButtonPressed = _secondButtonPressed = NO;
+	return self;
+}
+
+- (CGPoint)getLocationInView:(UITouch *)touch {
+	CGPoint p = [touch locationInView:[self view]];
+	p.x *= [[self view] contentScaleFactor];
+	p.y *= [[self view] contentScaleFactor];
+	return p;
+}
+
+- (void)handleJoystickAxisMotionX:(int)x andY:(int)y forJoystick:(GameControllerJoystick)joystick {
+	if (joystick == kGameControllerJoystickLeft) {
+		[view addEvent:InternalEvent(kInputJoystickAxisMotion, Common::JOYSTICK_AXIS_LEFT_STICK_X, x)];
+		[view addEvent:InternalEvent(kInputJoystickAxisMotion, Common::JOYSTICK_AXIS_LEFT_STICK_Y, y)];
+	} else {
+		[view addEvent:InternalEvent(kInputJoystickAxisMotion, Common::JOYSTICK_AXIS_RIGHT_STICK_X, x)];
+		[view addEvent:InternalEvent(kInputJoystickAxisMotion, Common::JOYSTICK_AXIS_RIGHT_STICK_Y, y)];
+	}
+}
+
+- (void)handleJoystickButtonAction:(int)button isPressed:(bool)pressed {
+	bool addEvent = true;
+	if (button == Common::JOYSTICK_BUTTON_A) {
+		if (_firstButtonPressed) {
+			if (pressed) {
+				addEvent = false;
+			}
+		}
+		_firstButtonPressed = pressed;
+	} else if (button == Common::JOYSTICK_BUTTON_B) {
+		if (_secondButtonPressed) {
+			if (pressed) {
+				addEvent = false;
+			}
+		}
+		_secondButtonPressed = pressed;
+	}
+	// Do not send button presses if keyboard is shown because if e.g.
+	// the "Do you want to quit?" dialog is shown the wait for user
+	// input will end (treating the button push as a mouse click) while
+	// the user tried to select the "y" or "n" character on the tvOS
+	// keyboard.
+	if (addEvent && ![view isKeyboardShown]) {
+		[view addEvent:InternalEvent(pressed ? kInputJoystickButtonDown : kInputJoystickButtonUp, button, 0)];
+	}
+}
+
+- (void)handleMainMenu:(BOOL)pressed {
+	if (!pressed) { // released
+		[view handleMainMenuKey];
+	}
+}
+@end