QT调用windows系统软键盘示例

#include "mainwindow.h" #include "ui_mainwindow.h" #include <qmessagebox.h> #include <QProcess> #include <qdebug.h> #include <qdesktopservices.h> #include <QUrl> #include <windows.h> #pragma comment(lib,"user32.lib") MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) , ui(new Ui::MainWindow) { ui->setupUi(this); ui->lineEdit->clear(); ui->lineEdit_2->clear(); ui->lineEdit->installEventFilter(this); ui->lineEdit_2->installEventFilter(this); } MainWindow::~MainWindow() { delete ui; } void MainWindow::on_pushButton_clicked() { PVOID Oldvalue = nullptr; BOOL bRet = Wow64DisableWow64FsRedirection(&Oldvalue); QString csprocess = "C:\\Windows\\System32\\osk.exe"; QString param = ""; ShellExecute(nullptr,L"open",(LPCWSTR)csprocess.utf16(),(LPCWSTR)param.utf16(),nullptr,SW_SHOWNORMAL); if(bRet) { Wow64RevertWow64FsRedirection(Oldvalue); } }