mirror of https://gitee.com/cxasm/notepad--.git
469 lines
13 KiB
C++
Executable File
469 lines
13 KiB
C++
Executable File
#include "ccnotepad.h"
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#include "nddsetting.h"
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#include "styleset.h"
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#include <QtWidgets/QApplication>
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#include <QTextCodec>
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#include <QMessageBox>
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#include <QSharedMemory>
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#include <QFile>
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#include <QStatusBar>
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#include <qobject.h>
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#include <QThread>
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#include <QDir>
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#ifdef Q_OS_UNIX
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#include <QStyleFactory>
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#include <signal.h>
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#include <unistd.h>
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#include <QDebug>
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#include <QWidget>
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#endif
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#ifdef Q_OS_WIN
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#pragma comment(lib, "user32.lib")
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#if _DEBUG
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// Bug: 在 Visual Studio 中引发无法构建的问题，此处为无法找到 qmyedit_x 库
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//#pragma comment(lib, "qmyedit_qt5d.lib")
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#else
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//#pragma comment(lib, "qmyedit_qt5.lib")
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#endif
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#include <qt_windows.h>
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const ULONG_PTR CUSTOM_TYPE = 10000;
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const ULONG_PTR OPEN_NOTEPAD_TYPE = 10001;
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const ULONG_PTR CUSTOM_TYPE_FILE_LINENUM = 10002;
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bool s_isAdminAuth = false;
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#endif
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const QString c_strTitle = "Ndd";
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#ifdef Q_OS_UNIX
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#if defined(Q_OS_MAC)
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QSharedMemory shared("CCNotebook122");;//mac下面后面带一个版本号，避免新的打不开
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#else
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QSharedMemory shared("CCNotebook");
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#endif
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QSharedMemory nppShared("notepad--");
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static void sig_usr(int signo)
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{
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if(signo == SIGUSR1)
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{
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qlonglong winId;
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shared.lock();
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memcpy(&winId,shared.data(),sizeof(qlonglong));
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shared.unlock();
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QWidget *pMain = QWidget::find((WId)winId);
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CCNotePad* pNotePad = dynamic_cast<CCNotePad*>(pMain);
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if(pNotePad != nullptr)
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{
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QString filePath((char*)nppShared.data()+4);
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if(!filePath.isEmpty())
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{
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pNotePad->openFile(filePath);
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}
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pNotePad->activateWindow();
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pNotePad->showNormal();
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qDebug() << "sig_usr" << filePath;
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}
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}
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}
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#endif
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#ifdef Q_OS_MAC
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static void openfile(QString filePath)
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{
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qlonglong winId;
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shared.lock();
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memcpy(&winId,shared.data(),sizeof(qlonglong));
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shared.unlock();
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QWidget *pMain = QWidget::find((WId)winId);
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CCNotePad* pNotePad = dynamic_cast<CCNotePad*>(pMain);
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if(pNotePad != nullptr)
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{
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if(!filePath.isEmpty())
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{
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pNotePad->openFile(filePath);
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}
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pNotePad->activateWindow();
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pNotePad->showNormal();
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}
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}
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class MyApplication : public QApplication
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{
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public:
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MyApplication(int &argc, char **argv)
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: QApplication(argc, argv)
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{
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}
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bool event(QEvent *event)
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{
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if (event->type() == QEvent::FileOpen) {
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QFileOpenEvent *openEvent = static_cast<QFileOpenEvent *>(event);
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qDebug() << "Open file" << openEvent->file();
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s_openfile = openEvent->file();
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openfile(s_openfile);
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}
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return QApplication::event(event);
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}
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QString s_openfile;
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};
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#endif
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int main(int argc, char *argv[])
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{
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//可以防止某些屏幕下的字体拥挤重叠问题
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QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
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#ifdef Q_OS_MAC
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MyApplication a(argc, argv);
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#else
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QApplication a(argc, argv);
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#endif
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//不能开启，开启后相对路径打开文件失败
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//QDir::setCurrent(QCoreApplication::applicationDirPath());
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#if defined(Q_OS_UNIX)
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QApplication::setStyle(QStyleFactory::create("fusion"));
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#endif
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a.setApplicationDisplayName(c_strTitle);
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a.setApplicationName(c_strTitle);
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QStringList arguments = QCoreApplication::arguments();
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//目前就三种
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//1) ndd filepath
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//2) ndd filepath -n linenum
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//3) ndd -multi filepath
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//只有 1 2 需要处理短路径
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if ((arguments.size() == 2) || (arguments.size() == 4))
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{
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QFileInfo fi(arguments[1]);
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if (fi.isRelative())
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{
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QString absDir = QDir::currentPath();
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//获取绝对路径
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arguments[1] = QString("%1/%2").arg(absDir).arg(arguments.at(1));
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}
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}
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#ifdef uos
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QFont font("Noto Sans CJK SC,9,-1,5,50,0,0,0,0,0,Regular", 9);
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QApplication::setFont(font);
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#endif
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#ifdef Q_OS_MAC
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//这里的字体大小，务必要和查找结果框的高度匹配，否则会结构字体拥挤
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QFont font("Courier New,11,-1,5,50,0,0,0,0,0,Regular", 11);
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// qDebug() << "font name mac";
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QApplication::setFont(font);
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// qDebug() << QApplication::font().toString();
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#endif
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bool isGotoLine = false;
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#ifdef Q_OS_WIN
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QSharedMemory shared("ccnotepad");
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if (arguments.size() > 2)
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{
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//如果是多开请求，这种是从管理员权限申请后重开过来的
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if (arguments[1] == QString("-muti"))
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{
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s_isAdminAuth = true;
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QString title = QString(u8"%1 管理员").arg(c_strTitle);
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a.setApplicationDisplayName(title);
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//删除-muti这个参数
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arguments.removeAt(1);
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//管理员不占用共享标志。这样的目的是，当管理员窗口存在时
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//打开原来的文件，原来的文件可以占用共享标志，作为主窗口打开。
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//管理员窗口永远不做主窗口打开
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goto authAdmin;
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}
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else if ((arguments.size() == 4) && arguments[2] == QString("-n"))
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{
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//使用的是 file -n lineNums 方式。目前只有windows下支持 xxxfile -n linenum的格式
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isGotoLine = true;
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}
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}
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#else
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if ((arguments.size() == 4) && (arguments[2] == QString("-n")))
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{
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//使用的是 file -n lineNums 方式。目前只有windows下支持 xxxfile -n linenum的格式
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isGotoLine = true;
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}
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#endif
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//attach成功表示已经存在该内存了，表示当前存在实例
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if (shared.attach())//共享内存被占用则直接返回
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{
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//发现在文件中如果存在空格时，参数不止1个，所以不能单纯用2个参数表示
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if (arguments.size() > 1)
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{
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#if defined(Q_OS_WIN)
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int tryTimes = 0;
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do {
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qlonglong hwndId;
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shared.lock();
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memcpy(&hwndId, shared.data(), sizeof(qlonglong));
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shared.unlock();
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HWND hwnd = (HWND)hwndId;
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if (::IsWindow(hwnd))
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{
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if (!isGotoLine)
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{
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//就是ndd filepath的命令行格式
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//去掉第一个参数，后续的参数拼接起来。其实参数中间有空格还是需要使用""引用起来，避免空格参数分隔为多个
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arguments.takeFirst();
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QString filename = arguments.join("");
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QByteArray data = filename.toUtf8();
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COPYDATASTRUCT copydata;
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copydata.dwData = CUSTOM_TYPE; //自定义类型
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copydata.lpData = data.data(); //数据大小
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copydata.cbData = data.size(); // 指向数据的指针
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::SendMessage(hwnd, WM_COPYDATA, reinterpret_cast<WPARAM>(nullptr), reinterpret_cast<LPARAM>(©data));
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}
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else
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{
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//是 filepath -n linenums 方式。不考虑filepath含有空格的情况，因为前面做了严格判断
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QString para = QString("%1|%2").arg(arguments[1]).arg(arguments[3]);
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QByteArray data = para.toUtf8();
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COPYDATASTRUCT copydata;
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copydata.dwData = CUSTOM_TYPE_FILE_LINENUM; //自定义类型
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copydata.lpData = data.data(); //数据大小
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copydata.cbData = data.size(); // 指向数据的指针
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::SendMessage(hwnd, WM_COPYDATA, reinterpret_cast<WPARAM>(nullptr), reinterpret_cast<LPARAM>(©data));
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}
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break;
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}
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else
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{
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//20230304 右键多个文件同时打开，比如3个。此时只有第1个可获取锁，其余2个均走这里。
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//因为第个还没有来的及写入hwnd。此时不要goto drop_old。等一下再重试
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QThread::sleep(1);
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++tryTimes;
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//2次识别后，没法了，只能通过继续往下走。
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//失败了，此时说明前一个窗口极可能状态错误了。如果不处理，则再也打不开程序了
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if (tryTimes > 2)
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{
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goto drop_old;
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}
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}
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} while (true);
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#elif defined (Q_OS_MAC)
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{
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//mac下面不需要，有他自身的机制保证
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}
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#else
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pid_t pid;
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arguments.takeFirst();
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QString filename = arguments.join("");
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QByteArray data = filename.toUtf8();
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nppShared.attach();
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nppShared.lock();
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memcpy(&pid, nppShared.data(), sizeof(pid_t));
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memset((char*)nppShared.data()+sizeof(pid_t),0, 1024-sizeof(pid_t));
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memcpy((char*)nppShared.data()+sizeof(pid_t),data.data(),data.size());
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nppShared.unlock();
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//if kill failed, then open a new process
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if(0 != kill(pid,SIGUSR1))
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{
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goto unix_goon;
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}
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#endif
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}
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else if (arguments.size() == 1)
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{
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#if defined(Q_OS_WIN)
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//把窗口设置到最前
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qlonglong hwndId;
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shared.lock();
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memcpy(&hwndId, shared.data(), sizeof(qlonglong));
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shared.unlock();
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HWND hwnd = (HWND)hwndId;
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if (::IsWindow(hwnd))
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{
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QString filename("open");
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QByteArray data = filename.toUtf8();
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COPYDATASTRUCT copydata;
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copydata.dwData = OPEN_NOTEPAD_TYPE; //自定义类型
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copydata.lpData = data.data(); //数据大小
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copydata.cbData = data.size(); // 指向数据的指针
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::SendMessage(hwnd, WM_COPYDATA, reinterpret_cast<WPARAM>(nullptr), reinterpret_cast<LPARAM>(©data));
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}
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else
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{
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//失败了，此时说明前一个窗口极可能状态错误了。如果不处理，则再也打不开程序了
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//继续新开一个窗口，放弃之前的旧内容
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goto drop_old;
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}
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#elif defined (Q_OS_MAC)
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{
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//mac下面不需要，有他自身的机制保证
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}
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#else
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pid_t pid;
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nppShared.attach();
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nppShared.lock();
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memcpy(&pid, nppShared.data(), sizeof(pid_t));
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memset((char*)nppShared.data()+sizeof(pid_t),0, 1024-sizeof(pid_t));
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nppShared.unlock();
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qDebug()<<"empty file send";
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if(0 != kill(pid,SIGUSR1))
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{
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goto unix_goon;
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}
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#endif
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}
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return 0;
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}
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#if defined(Q_OS_WIN)
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shared.create(32);
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#elif defined (Q_OS_MAC)
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{
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//mac下面不需要，有他自身的机制保证。当程序已经在线时，再打开程序，系统会自动调用已经存在的程序出现
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//不需要使用类似linux下面的机制。
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shared.create(32);
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nppShared.create(32);
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}
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#else
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unix_goon:
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shared.create(32);
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nppShared.create(2048);
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if(signal(SIGUSR1,sig_usr) == SIG_ERR)
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{
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qDebug()<<"linux create sign failed";
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}
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#endif
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#if defined(Q_OS_WIN)
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authAdmin:
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drop_old:
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#endif
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//20221009发现有小概率出现窗口没有，但是进程还在的诡异问题，加个保护一下
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QApplication::setQuitOnLastWindowClosed(true);
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NddSetting::init();
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int id = NddSetting::getKeyValueFromNumSets(SKIN_KEY);
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StyleSet::setSkin(id);
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CCNotePad *pMainNotepad = new CCNotePad(true);
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pMainNotepad->setAttribute(Qt::WA_DeleteOnClose);
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pMainNotepad->setShareMem(&shared);
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pMainNotepad->quickshow();
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pMainNotepad->syncCurSkinToMenu(id);
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#ifdef Q_OS_WIN
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//HWND hwnd = ::FindWindowA("Qt5QWindowIcon", "CCNotebook");
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//发现hwnd就是和effectiveWinId相等的，不需要查询了
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//管理员可以多开，暂时不把管理员的权限作为主窗口，因为其他用户没有权限右键菜单发送消息给管理员窗口去打开文件
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if (!s_isAdminAuth)
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{
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qlonglong winId = (qlonglong)pMainNotepad->effectiveWinId();
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shared.lock();
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memcpy(shared.data(), &winId, sizeof(qlonglong));
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shared.unlock();
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}
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#else
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qlonglong winId = (qlonglong)pMainNotepad->effectiveWinId();
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shared.lock();
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memcpy(shared.data(), &winId, sizeof(qlonglong));
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shared.unlock();
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nppShared.attach();
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//get proceess id to share memory
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pid_t pid = getpid();
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nppShared.lock();
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memcpy(nppShared.data(), &pid, sizeof(pid_t));
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nppShared.unlock();
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#endif // Q_OS_WIN
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//恢复上次关闭时的文件
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#ifdef Q_OS_WIN
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if (!s_isAdminAuth)
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{
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if (0 == pMainNotepad->restoreLastFiles() && (arguments.size() == 1))
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{
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pMainNotepad->initTabNewOne();
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}
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}
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#else
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if (0 == pMainNotepad->restoreLastFiles())
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{
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pMainNotepad->initTabNewOne();
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}
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#endif
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if (arguments.size() == 2)
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{
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#ifdef Q_OS_WIN
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if (!s_isAdminAuth)
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{
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pMainNotepad->openFile(arguments[1]);
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}
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else
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{
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//如果是管理员，还不能直接打开文件，需要恢复之前文件的修改内容
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//恢复不了，再直接打开
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pMainNotepad->tryRestoreFile(arguments[1]);
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}
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#else
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pMainNotepad->openFile(arguments[1]);
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#endif
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}
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else if (isGotoLine)
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{
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//是filepath -n xxx 格式。
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bool ok = true;
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int lineNum = arguments[3].toInt(&ok);
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if (!ok)
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{
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lineNum = -1;
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}
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pMainNotepad->openFile(arguments[1], lineNum);
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}
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#ifdef Q_OS_WIN
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pMainNotepad->checkAppFont();
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#endif
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a.exec();
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NddSetting::close();
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return 0;
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}
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