62 lines
1.8 KiB
Objective-C
62 lines
1.8 KiB
Objective-C
// Copyright 2021 The golang.design Initiative Authors.
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// All rights reserved. Use of this source code is governed
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// by a MIT license that can be found in the LICENSE file.
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//
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// Written by Changkun Ou <changkun.de>
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//go:build darwin && !ios
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// Interact with NSPasteboard using Objective-C
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// https://developer.apple.com/documentation/appkit/nspasteboard?language=objc
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#import <Foundation/Foundation.h>
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#import <Cocoa/Cocoa.h>
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unsigned int clipboard_read_string(void **out) {
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NSPasteboard * pasteboard = [NSPasteboard generalPasteboard];
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NSData *data = [pasteboard dataForType:NSPasteboardTypeString];
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if (data == nil) {
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return 0;
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}
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NSUInteger siz = [data length];
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*out = malloc(siz);
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[data getBytes: *out length: siz];
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return siz;
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}
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unsigned int clipboard_read_image(void **out) {
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NSPasteboard * pasteboard = [NSPasteboard generalPasteboard];
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NSData *data = [pasteboard dataForType:NSPasteboardTypePNG];
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if (data == nil) {
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return 0;
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}
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NSUInteger siz = [data length];
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*out = malloc(siz);
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[data getBytes: *out length: siz];
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return siz;
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}
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int clipboard_write_string(const void *bytes, NSInteger n) {
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NSPasteboard *pasteboard = [NSPasteboard generalPasteboard];
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NSData *data = [NSData dataWithBytes: bytes length: n];
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[pasteboard clearContents];
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BOOL ok = [pasteboard setData: data forType:NSPasteboardTypeString];
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if (!ok) {
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return -1;
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}
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return 0;
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}
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int clipboard_write_image(const void *bytes, NSInteger n) {
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NSPasteboard *pasteboard = [NSPasteboard generalPasteboard];
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NSData *data = [NSData dataWithBytes: bytes length: n];
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[pasteboard clearContents];
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BOOL ok = [pasteboard setData: data forType:NSPasteboardTypePNG];
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if (!ok) {
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return -1;
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}
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return 0;
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}
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NSInteger clipboard_change_count() {
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return [[NSPasteboard generalPasteboard] changeCount];
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}
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