5f54aedbb9
iOS and tvOS shares a lot of code. However some there are parts that are specific to iOS, for instance handling of UI device orientation and certain types of gestures. Currently there are also some limitations on the Apple TV that needs to be flagged to the engine. There is no support for virtual keyboard, no clipboard support and no possibility to open URLs. Put code specific for iOS within the ObjC platfrom macro TARGET_OS_IOS. The code specific for tvOS are put within the macro TARGET_OS_TV.
350 lines
12 KiB
Text
350 lines
12 KiB
Text
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "backends/platform/ios7/ios7_keyboard.h"
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#include "common/keyboard.h"
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@interface UITextInputTraits
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- (void)setAutocorrectionType:(int)type;
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- (void)setAutocapitalizationType:(int)type;
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- (void)setEnablesReturnKeyAutomatically:(BOOL)val;
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@end
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@interface TextInputHandler : UITextView {
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SoftKeyboard *softKeyboard;
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#if TARGET_OS_IOS
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UIToolbar *toolbar;
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#endif
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UIScrollView *scrollView;
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}
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- (id)initWithKeyboard:(SoftKeyboard *)keyboard;
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- (void)dealloc;
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- (void)attachAccessoryView;
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- (void)detachAccessoryView;
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@end
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@implementation TextInputHandler
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- (id)initWithKeyboard:(SoftKeyboard *)keyboard {
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self = [super initWithFrame:CGRectMake(0.0f, 0.0f, 0.0f, 0.0f)];
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softKeyboard = keyboard;
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[self setAutocorrectionType:UITextAutocorrectionTypeNo];
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[self setAutocapitalizationType:UITextAutocapitalizationTypeNone];
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[self setEnablesReturnKeyAutomatically:NO];
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#if TARGET_OS_IOS
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// Hide the input assistent bar. The API is only available since IOS 9.0.
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// The code only compils with the iOS 9.0+ SDK, and only works on iOS 9.0
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// or above.
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#ifdef __IPHONE_9_0
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#if __has_builtin(__builtin_available)
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if ( @available(iOS 9,*) ) {
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#else
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if ( [self respondsToSelector:@selector(inputAssistantItem)] ) {
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#endif
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UITextInputAssistantItem* item = [self inputAssistantItem];
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if (item) {
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item.leadingBarButtonGroups = @[];
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item.trailingBarButtonGroups = @[];
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}
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}
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#endif
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toolbar = [[UIToolbar alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 0.0f, 0.0f)];
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toolbar.barTintColor = keyboard.backgroundColor;
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toolbar.tintColor = keyboard.tintColor;
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toolbar.translucent = NO;
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toolbar.items = @[
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// GMM button
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[[[UIBarButtonItem alloc] initWithTitle:@"\u2630" style:UIBarButtonItemStylePlain target:self action:@selector(mainMenuKey)] autorelease],
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// Escape key
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[[[UIBarButtonItem alloc] initWithTitle:@"Esc" style:UIBarButtonItemStylePlain target:self action:@selector(escapeKey)] autorelease],
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// Tab key
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[[[UIBarButtonItem alloc] initWithTitle:@"Tab" style:UIBarButtonItemStylePlain target:self action:@selector(tabKey)] autorelease],
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// Return key
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[[[UIBarButtonItem alloc] initWithTitle:@"\u23ce" style:UIBarButtonItemStylePlain target:self action:@selector(returnKey)] autorelease],
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// Function keys
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[[[UIBarButtonItem alloc] initWithTitle:@"F1" style:UIBarButtonItemStylePlain target:self action:@selector(fn1Key)] autorelease],
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[[[UIBarButtonItem alloc] initWithTitle:@"F2" style:UIBarButtonItemStylePlain target:self action:@selector(fn2Key)] autorelease],
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[[[UIBarButtonItem alloc] initWithTitle:@"F3" style:UIBarButtonItemStylePlain target:self action:@selector(fn3Key)] autorelease],
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[[[UIBarButtonItem alloc] initWithTitle:@"F4" style:UIBarButtonItemStylePlain target:self action:@selector(fn4Key)] autorelease],
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[[[UIBarButtonItem alloc] initWithTitle:@"F5" style:UIBarButtonItemStylePlain target:self action:@selector(fn5Key)] autorelease],
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[[[UIBarButtonItem alloc] initWithTitle:@"F6" style:UIBarButtonItemStylePlain target:self action:@selector(fn6Key)] autorelease],
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[[[UIBarButtonItem alloc] initWithTitle:@"F7" style:UIBarButtonItemStylePlain target:self action:@selector(fn7Key)] autorelease],
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[[[UIBarButtonItem alloc] initWithTitle:@"F8" style:UIBarButtonItemStylePlain target:self action:@selector(fn8Key)] autorelease],
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[[[UIBarButtonItem alloc] initWithTitle:@"F9" style:UIBarButtonItemStylePlain target:self action:@selector(fn9Key)] autorelease],
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[[[UIBarButtonItem alloc] initWithTitle:@"F10" style:UIBarButtonItemStylePlain target:self action:@selector(fn10Key)] autorelease],
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[[[UIBarButtonItem alloc] initWithTitle:@"F11" style:UIBarButtonItemStylePlain target:self action:@selector(fn11Key)] autorelease],
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[[[UIBarButtonItem alloc] initWithTitle:@"F12" style:UIBarButtonItemStylePlain target:self action:@selector(fn12Key)] autorelease],
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// Arrow keys
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[[[UIBarButtonItem alloc] initWithTitle:@"\u2190" style:UIBarButtonItemStylePlain target:self action:@selector(leftArrowKey)] autorelease],
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[[[UIBarButtonItem alloc] initWithTitle:@"\u2191" style:UIBarButtonItemStylePlain target:self action:@selector(upArrowKey)] autorelease],
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[[[UIBarButtonItem alloc] initWithTitle:@"\u2192" style:UIBarButtonItemStylePlain target:self action:@selector(rightArrowKey)] autorelease],
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[[[UIBarButtonItem alloc] initWithTitle:@"\u2193" style:UIBarButtonItemStylePlain target:self action:@selector(downArrowKey)] autorelease],
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// Spacer at the end
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[[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil] autorelease],
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];
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self.inputAccessoryView = toolbar;
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[toolbar sizeToFit];
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scrollView = [[UIScrollView alloc] init];
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scrollView.frame = toolbar.frame;
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scrollView.bounds = toolbar.bounds;
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scrollView.autoresizingMask = toolbar.autoresizingMask;
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scrollView.showsVerticalScrollIndicator = false;
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scrollView.showsHorizontalScrollIndicator = false;
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toolbar.autoresizingMask = UIViewAutoresizingNone;
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[scrollView addSubview:toolbar];
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self.inputAccessoryView = scrollView;
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#endif
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return self;
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}
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-(void)dealloc {
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#if TARGET_OS_IOS
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[toolbar release];
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#endif
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[scrollView release];
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[super dealloc];
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}
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- (void)attachAccessoryView {
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self.inputAccessoryView.hidden = NO;
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// Alternatively we could add/remove instead of show/hide the inpute accessory view
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// self.inputAccessoryView = scrollView;
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// [self reloadInputViews];
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// We need at least a width of 768 pt for the toolbar. If we add more buttons this may need to be increased.
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#if TARGET_OS_IOS
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toolbar.frame = CGRectMake(0, 0, MAX(768, [[UIScreen mainScreen] bounds].size.width), toolbar.frame.size.height);
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toolbar.bounds = toolbar.frame;
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scrollView.contentSize = toolbar.frame.size;
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#endif
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}
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- (void)detachAccessoryView {
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self.inputAccessoryView.hidden = YES;
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// Alternatively we could add/remove instead of show/hide the inpute accessory view
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// self.inputAccessoryView = nil;
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// [self reloadInputViews];
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}
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- (void) setWantsPriority: (UIKeyCommand*) keyCommand {
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// In iOS 15 the UIKeyCommand has a new property wantsPriorityOverSystemBehavior that is needed to
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// receive some keys (such as the arrow keys).
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if ([keyCommand respondsToSelector:@selector(setWantsPriorityOverSystemBehavior:)]) {
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[keyCommand setValue:[NSNumber numberWithBool:YES] forKey:@"wantsPriorityOverSystemBehavior"];
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}
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}
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- (NSArray *)keyCommands {
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UIKeyCommand *upArrow = [UIKeyCommand keyCommandWithInput: UIKeyInputUpArrow modifierFlags: 0 action: @selector(upArrow:)];
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[self setWantsPriority: upArrow];
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UIKeyCommand *downArrow = [UIKeyCommand keyCommandWithInput: UIKeyInputDownArrow modifierFlags: 0 action: @selector(downArrow:)];
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[self setWantsPriority: downArrow];
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UIKeyCommand *leftArrow = [UIKeyCommand keyCommandWithInput: UIKeyInputLeftArrow modifierFlags: 0 action: @selector(leftArrow:)];
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[self setWantsPriority: leftArrow];
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UIKeyCommand *rightArrow = [UIKeyCommand keyCommandWithInput: UIKeyInputRightArrow modifierFlags: 0 action: @selector(rightArrow:)];
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[self setWantsPriority: rightArrow];
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UIKeyCommand *escapeKey = [UIKeyCommand keyCommandWithInput: UIKeyInputEscape modifierFlags: 0 action: @selector(escapeKey:)];
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return [[NSArray alloc] initWithObjects: upArrow, downArrow, leftArrow, rightArrow, escapeKey, nil];
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}
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- (void) upArrow: (UIKeyCommand *) keyCommand {
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[softKeyboard handleKeyPress:Common::KEYCODE_UP];
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}
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- (void) downArrow: (UIKeyCommand *) keyCommand {
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[softKeyboard handleKeyPress:Common::KEYCODE_DOWN];
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}
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- (void) leftArrow: (UIKeyCommand *) keyCommand {
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[softKeyboard handleKeyPress:Common::KEYCODE_LEFT];
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}
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- (void) rightArrow: (UIKeyCommand *) keyCommand {
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[softKeyboard handleKeyPress:Common::KEYCODE_RIGHT];
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}
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- (void) escapeKey: (UIKeyCommand *) keyCommand {
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[softKeyboard handleKeyPress:Common::KEYCODE_ESCAPE];
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}
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- (void) mainMenuKey {
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[softKeyboard handleMainMenuKey];
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}
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- (void) escapeKey {
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[softKeyboard handleKeyPress:Common::KEYCODE_ESCAPE];
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}
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- (void) tabKey {
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[softKeyboard handleKeyPress:Common::KEYCODE_TAB];
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}
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- (void) fn1Key {
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[softKeyboard handleKeyPress:Common::KEYCODE_F1];
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}
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- (void) fn2Key {
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[softKeyboard handleKeyPress:Common::KEYCODE_F2];
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}
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- (void) fn3Key {
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[softKeyboard handleKeyPress:Common::KEYCODE_F3];
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}
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- (void) fn4Key {
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[softKeyboard handleKeyPress:Common::KEYCODE_F4];
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}
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- (void) fn5Key {
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[softKeyboard handleKeyPress:Common::KEYCODE_F5];
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}
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- (void) fn6Key {
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[softKeyboard handleKeyPress:Common::KEYCODE_F6];
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}
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- (void) fn7Key {
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[softKeyboard handleKeyPress:Common::KEYCODE_F7];
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}
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- (void) fn8Key {
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[softKeyboard handleKeyPress:Common::KEYCODE_F8];
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}
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- (void) fn9Key {
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[softKeyboard handleKeyPress:Common::KEYCODE_F9];
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}
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- (void) fn10Key {
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[softKeyboard handleKeyPress:Common::KEYCODE_F10];
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}
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- (void) fn11Key {
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[softKeyboard handleKeyPress:Common::KEYCODE_F11];
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}
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- (void) fn12Key {
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[softKeyboard handleKeyPress:Common::KEYCODE_F12];
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}
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- (void) leftArrowKey {
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[softKeyboard handleKeyPress:Common::KEYCODE_LEFT];
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}
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- (void) upArrowKey {
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[softKeyboard handleKeyPress:Common::KEYCODE_UP];
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}
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- (void) rightArrowKey {
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[softKeyboard handleKeyPress:Common::KEYCODE_RIGHT];
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}
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- (void) downArrowKey {
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[softKeyboard handleKeyPress:Common::KEYCODE_DOWN];
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}
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- (void) returnKey {
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[softKeyboard handleKeyPress:Common::KEYCODE_RETURN];
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}
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@end
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@implementation SoftKeyboard
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- (id)initWithFrame:(CGRect)frame {
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self = [super initWithFrame:frame];
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inputDelegate = nil;
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inputView = [[TextInputHandler alloc] initWithKeyboard:self];
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inputView.delegate = self;
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#if TARGET_OS_IOS
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(prepareKeyboard:) name:UIKeyboardWillShowNotification object:nil];
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#endif
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return self;
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}
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- (void)dealloc {
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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[super dealloc];
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}
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- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text {
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unichar c;
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if (text.length) {
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c = [text characterAtIndex:0];
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}
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else {
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c = '\b';
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}
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[inputDelegate handleKeyPress:c];
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return YES;
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}
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- (UITextView *)inputView {
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return inputView;
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}
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- (void)setInputDelegate:(id)delegate {
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inputDelegate = delegate;
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}
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- (void)handleKeyPress:(unichar)c {
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[inputDelegate handleKeyPress:c];
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}
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- (void)handleMainMenuKey {
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[inputDelegate handleMainMenuKey];
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}
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- (void)prepareKeyboard:(NSNotification *)notification {
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#if TARGET_OS_IOS
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// Check if a hardware keyboard is connected, and only show the accessory view if there isn't one.
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// If there is a hardware keyboard, the software one will only contains the text assistance bar
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// and will be small (less than 100 pt, but use a bit more in case it changes with future iOS versions).
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// This only works with iOS 9 and above. For ealier version the keyboard size is fixed and instead it
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// only shows part of the keyboard (which could be detected with the origin position, but that would
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// depend on the current orientation and screen resolution).
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NSDictionary* info = [notification userInfo];
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CGRect keyboardEndFrame = [[info objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue];
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if (keyboardEndFrame.size.height < 140)
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[inputView detachAccessoryView];
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else
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[inputView attachAccessoryView];
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#endif
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}
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- (void)showKeyboard {
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[inputView becomeFirstResponder];
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}
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- (void)hideKeyboard {
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[inputView endEditing:YES];
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}
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@end
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