187 lines
6.0 KiB
Objective-C
187 lines
6.0 KiB
Objective-C
#pragma once
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#import <Cocoa/Cocoa.h>
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#include <string>
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#include <vector>
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// macOS 剪贴板操作封装
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// 使用 NSPasteboard API 实现
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class ClipboardHandler
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{
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public:
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// 检查剪贴板功能是否可用 (macOS 总是可用)
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static bool IsAvailable()
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{
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return true;
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}
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// 获取剪贴板中的文件列表
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// 返回文件的完整路径列表(UTF-8),失败返回空列表
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static std::vector<std::string> GetFiles()
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{
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std::vector<std::string> files;
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@autoreleasepool {
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NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
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// 方法1: 尝试获取文件 URL 列表 (macOS 10.13+)
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NSArray<NSURL*>* urls = [pasteboard readObjectsForClasses:@[[NSURL class]]
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options:@{NSPasteboardURLReadingFileURLsOnlyKey: @YES}];
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if (urls && urls.count > 0) {
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for (NSURL* url in urls) {
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if (url.isFileURL) {
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NSString* path = url.path;
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if (path) {
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files.push_back([path UTF8String]);
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}
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}
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}
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return files;
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}
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// 方法2: 兼容旧版 API (NSFilenamesPboardType)
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NSArray* filenames = [pasteboard propertyListForType:NSFilenamesPboardType];
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if (filenames && [filenames isKindOfClass:[NSArray class]]) {
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for (NSString* path in filenames) {
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if ([path isKindOfClass:[NSString class]]) {
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files.push_back([path UTF8String]);
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}
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}
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}
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}
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return files;
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}
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// 获取剪贴板文本
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// 返回 UTF-8 编码的文本,失败返回空字符串
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static std::string GetText()
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{
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@autoreleasepool {
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NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
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NSString* text = [pasteboard stringForType:NSPasteboardTypeString];
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if (text) {
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return [text UTF8String];
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}
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}
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return "";
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}
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// 设置剪贴板文本
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// text: UTF-8 编码的文本
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// 返回是否成功
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static bool SetText(const std::string& text)
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{
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if (text.empty()) return true;
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@autoreleasepool {
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NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
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[pasteboard clearContents];
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NSString* nsText = [NSString stringWithUTF8String:text.c_str()];
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if (nsText) {
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return [pasteboard setString:nsText forType:NSPasteboardTypeString];
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}
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}
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return false;
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}
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// 设置剪贴板文本(从原始字节)
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// data: 文本数据(可能是 GBK 或 UTF-8)
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// len: 数据长度
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static bool SetTextRaw(const char* data, size_t len)
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{
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if (!data || len == 0) return true;
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// 服务端发来的文本可能是 GBK 编码,尝试转换为 UTF-8
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std::string text = ConvertToUtf8(data, len);
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return SetText(text);
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}
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// 设置剪贴板文件列表
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// files: UTF-8 编码的文件路径列表
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// 返回是否成功
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static bool SetFiles(const std::vector<std::string>& files)
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{
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if (files.empty()) return true;
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@autoreleasepool {
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NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
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[pasteboard clearContents];
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NSMutableArray<NSURL*>* urls = [NSMutableArray arrayWithCapacity:files.size()];
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for (const auto& path : files) {
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NSString* nsPath = [NSString stringWithUTF8String:path.c_str()];
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if (nsPath) {
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NSURL* url = [NSURL fileURLWithPath:nsPath];
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if (url) {
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[urls addObject:url];
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}
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}
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}
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if (urls.count > 0) {
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return [pasteboard writeObjects:urls];
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}
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}
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return false;
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}
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private:
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// 检查是否是有效的 UTF-8 序列
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static bool IsValidUtf8(const char* data, size_t len)
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{
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const unsigned char* bytes = (const unsigned char*)data;
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size_t i = 0;
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while (i < len) {
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if (bytes[i] <= 0x7F) {
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// ASCII
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i++;
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} else if ((bytes[i] & 0xE0) == 0xC0) {
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// 2-byte sequence
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if (i + 1 >= len || (bytes[i + 1] & 0xC0) != 0x80) return false;
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i += 2;
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} else if ((bytes[i] & 0xF0) == 0xE0) {
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// 3-byte sequence
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if (i + 2 >= len || (bytes[i + 1] & 0xC0) != 0x80 || (bytes[i + 2] & 0xC0) != 0x80) return false;
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i += 3;
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} else if ((bytes[i] & 0xF8) == 0xF0) {
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// 4-byte sequence
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if (i + 3 >= len || (bytes[i + 1] & 0xC0) != 0x80 ||
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(bytes[i + 2] & 0xC0) != 0x80 || (bytes[i + 3] & 0xC0) != 0x80) return false;
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i += 4;
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} else {
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return false;
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}
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}
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return true;
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}
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// 尝试将 GBK 转换为 UTF-8
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// 如果已经是 UTF-8,直接返回
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static std::string ConvertToUtf8(const char* data, size_t len)
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{
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// 检查是否已经是有效的 UTF-8
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if (IsValidUtf8(data, len)) {
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return std::string(data, len);
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}
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// 使用 NSString 进行编码转换 (GBK = CFStringEncodingGB_18030_2000)
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@autoreleasepool {
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// 尝试 GBK (GB18030) 编码
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NSStringEncoding gbkEncoding = CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingGB_18030_2000);
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NSString* str = [[NSString alloc] initWithBytes:data length:len encoding:gbkEncoding];
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if (str) {
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const char* utf8 = [str UTF8String];
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if (utf8) {
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return std::string(utf8);
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}
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}
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}
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// 转换失败,返回原始数据
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return std::string(data, len);
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}
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};
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