mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-11-24 12:30:32 +08:00
100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
|
// Copyright (C) 2013 Thorbjørn Martsum - tmartsum[at]gmail.com
|
||
|
|
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
|
||
|
|
|
||
|
|
#include <QGridLayout>
|
||
|
|
#include <QFormLayout>
|
||
|
|
#include <QStackedLayout>
|
||
|
|
#include <QPushButton>
|
||
|
|
#include <QLabel>
|
||
|
|
#include <QApplication>
|
||
|
|
|
||
|
|
class ReplaceButton : public QPushButton
|
||
|
|
{
|
||
|
|
Q_OBJECT
|
||
|
|
public:
|
||
|
|
ReplaceButton(const QString &text = QString("click to replace")) : QPushButton(text)
|
||
|
|
{
|
||
|
|
static int v = 0;
|
||
|
|
++v;
|
||
|
|
QString txt = QString("click to replace %1").arg(v);
|
||
|
|
setText(txt);
|
||
|
|
connect(this, SIGNAL(clicked()), this, SLOT(replace()));
|
||
|
|
}
|
||
|
|
protected slots:
|
||
|
|
void replace()
|
||
|
|
{
|
||
|
|
if (!parentWidget())
|
||
|
|
return;
|
||
|
|
static int n = 0;
|
||
|
|
++n;
|
||
|
|
if (parentWidget()->layout()->replaceWidget(this, new QLabel(QString("replaced(%1)").arg(n))))
|
||
|
|
deleteLater();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
class StackButtonChange : public QPushButton
|
||
|
|
{
|
||
|
|
Q_OBJECT
|
||
|
|
public:
|
||
|
|
StackButtonChange(QStackedLayout *l) : QPushButton("stack wdg change")
|
||
|
|
{
|
||
|
|
sl = l;
|
||
|
|
connect(this, SIGNAL(clicked()), this, SLOT(changeWdg()));
|
||
|
|
}
|
||
|
|
protected slots:
|
||
|
|
void changeWdg()
|
||
|
|
{
|
||
|
|
int index = sl->indexOf(sl->currentWidget());
|
||
|
|
++index;
|
||
|
|
if (index >= sl->count())
|
||
|
|
index = 0;
|
||
|
|
sl->setCurrentWidget(sl->itemAt(index)->widget());
|
||
|
|
sl->parentWidget()->update();
|
||
|
|
}
|
||
|
|
protected:
|
||
|
|
QStackedLayout *sl;
|
||
|
|
};
|
||
|
|
|
||
|
|
int main(int argc, char **argv) {
|
||
|
|
QApplication app(argc, argv);
|
||
|
|
QWidget wdg1;
|
||
|
|
QGridLayout *l1 = new QGridLayout();
|
||
|
|
l1->addWidget(new ReplaceButton(), 1, 1, 2, 2, Qt::AlignCenter);
|
||
|
|
l1->addWidget(new ReplaceButton(), 3, 1, 1, 1, Qt::AlignRight);
|
||
|
|
l1->addWidget(new ReplaceButton(), 1, 3, 1, 1, Qt::AlignLeft);
|
||
|
|
l1->addWidget(new ReplaceButton(), 2, 3, 1, 1, Qt::AlignLeft);
|
||
|
|
l1->addWidget(new ReplaceButton(), 3, 2, 1, 1, Qt::AlignRight);
|
||
|
|
wdg1.setLayout(l1);
|
||
|
|
wdg1.setWindowTitle("QGridLayout");
|
||
|
|
wdg1.setGeometry(100, 100, 100, 100);
|
||
|
|
wdg1.show();
|
||
|
|
|
||
|
|
QWidget wdg2;
|
||
|
|
QFormLayout *l2 = new QFormLayout();
|
||
|
|
l2->addRow(QString("Label1"), new ReplaceButton());
|
||
|
|
l2->addRow(QString("Label2"), new ReplaceButton());
|
||
|
|
l2->addRow(new ReplaceButton(), new ReplaceButton());
|
||
|
|
wdg2.setLayout(l2);
|
||
|
|
wdg2.setWindowTitle("QFormLayout");
|
||
|
|
wdg2.setGeometry(100 + wdg1.sizeHint().width() + 5, 100, 100, 100);
|
||
|
|
wdg2.show();
|
||
|
|
|
||
|
|
QWidget wdg3;
|
||
|
|
QBoxLayout *l3 = new QVBoxLayout(); // new QHBoxLayout()
|
||
|
|
QStackedLayout *sl = new QStackedLayout();
|
||
|
|
sl->addWidget(new ReplaceButton());
|
||
|
|
sl->addWidget(new ReplaceButton());
|
||
|
|
sl->addWidget(new ReplaceButton());
|
||
|
|
l3->addLayout(sl);
|
||
|
|
l3->addWidget(new StackButtonChange(sl));
|
||
|
|
l3->addWidget(new ReplaceButton());
|
||
|
|
l3->addWidget(new ReplaceButton());
|
||
|
|
wdg3.setLayout(l3);
|
||
|
|
wdg3.setWindowTitle("QStackedLayout + BoxLayout");
|
||
|
|
wdg3.setGeometry(100, 100 + wdg1.sizeHint().height() + 30, 100 , 100);
|
||
|
|
wdg3.show();
|
||
|
|
|
||
|
|
app.exec();
|
||
|
|
}
|
||
|
|
#include "main.moc"
|