qt5-入门-剪贴板-简单例子
#ifndef CLIPBOARDDEMO_H
#define CLIPBOARDDEMO_H
#include <QtGui>
#include <QWidget>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QPushButton>
#include <QTextEdit>
#include <QLabel>
#include <QApplication>
#include <QMessageBox>
class ClipboardDemo : public QWidget
{
Q_OBJECT
public:
ClipboardDemo(QWidget *parent = 0):QWidget(parent) {
QVBoxLayout *mainLayout = new QVBoxLayout(this);
QHBoxLayout *northLayout = new QHBoxLayout;
QHBoxLayout *southLayout = new QHBoxLayout;
editor = new QTextEdit;
QLabel *label = new QLabel;
label->setText("Text Input: ");
label->setBuddy(editor);
QPushButton *copyButton = new QPushButton;
copyButton->setText("Set Clipboard");
QPushButton *pasteButton = new QPushButton;
pasteButton->setText("Get Clipboard");
northLayout->addWidget(label);
northLayout->addWidget(editor);
southLayout->addWidget(copyButton);
southLayout->addWidget(pasteButton);
mainLayout->addLayout(northLayout);
mainLayout->addLayout(southLayout);
connect(copyButton, SIGNAL(clicked()), this, SLOT(setClipboard()));
connect(pasteButton, SIGNAL(clicked()), this, SLOT(getClipboard()));
}
private slots:
void setClipboard() {
QClipboard *board = QApplication::clipboard();
//board->setText("Text from Qt Application");
board->setText(editor->toPlainText());
}
void getClipboard() {
QClipboard *board = QApplication::clipboard();
QString str = board->text();
QMessageBox::information(NULL, "From clipboard", str);
}
private:
QTextEdit *editor;
};
#endif // CLIPBOARDDEMO_H
// main
// ClipboardDemo w;
// w.show();