ebiten/exp/textinput/textinput_darwin.m

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// Copyright 2023 The Ebitengine Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build !ios
#import <Cocoa/Cocoa.h>
void ebitengine_textinput_update(const char* text, int start, int end, BOOL committed);
void ebitengine_textinput_end();
@interface TextInputClient : NSView<NSTextInputClient>
{
NSString* markedText_;
NSRange markedRange_;
NSRange selectedRange_;
}
@end
@implementation TextInputClient
- (BOOL)hasMarkedText {
return markedText_ != nil;
}
- (NSRange)markedRange {
return markedRange_;
}
- (NSRange)selectedRange {
return selectedRange_;
}
- (void)setMarkedText:(id)string
selectedRange:(NSRange)selectedRange
replacementRange:(NSRange)replacementRange {
if ([string isKindOfClass:[NSAttributedString class]]) {
string = [string string];
}
markedText_ = string;
selectedRange_ = selectedRange;
markedRange_ = NSMakeRange(0, [string length]);
ebitengine_textinput_update([string UTF8String], selectedRange.location, selectedRange.location + selectedRange.length, NO);
}
- (void)unmarkText {
markedText_ = nil;
}
- (NSArray<NSAttributedStringKey> *)validAttributesForMarkedText {
return @[];
}
- (NSAttributedString *)attributedSubstringForProposedRange:(NSRange)range
actualRange:(NSRangePointer)actualRange {
return nil;
}
- (void)insertText:(id)string
replacementRange:(NSRange)replacementRange {
if ([string isKindOfClass:[NSAttributedString class]]) {
string = [string string];
}
if ([string length] == 1 && [string characterAtIndex:0] < 0x20) {
return;
}
ebitengine_textinput_update([string UTF8String], 0, [string length], YES);
}
- (NSUInteger)characterIndexForPoint:(NSPoint)point {
return 0;
}
- (NSRect)firstRectForCharacterRange:(NSRange)range
actualRange:(NSRangePointer)actualRange {
NSWindow* window = [self window];
return [window convertRectToScreen:[self frame]];
}
- (void)doCommandBySelector:(SEL)selector {
// Do nothing.
}
- (BOOL)resignFirstResponder {
ebitengine_textinput_end();
return [super resignFirstResponder];
}
@end