Qt Find Dialog with Whole Word Only Option

#include

#include 'finddialog.h'

FindDialog::FindDialog(QWidget *parent) : QDialog(parent) { label = new QLabel(tr('Find &what:')); lineEdit = new QLineEdit; label->setBuddy(lineEdit);

caseCheckBox = new QCheckBox(tr('Match &case'));
backwardCheckBox = new QCheckBox(tr('Search &backward'));
wholeWordCheckBox = new QCheckBox(tr('Whole &word only')); // & 表示快捷键

findButton = new QPushButton(tr('&Find'));
findButton->setDefault(true);
findButton->setEnabled(false);

closeButton = new QPushButton(tr('Close'));

connect(lineEdit, SIGNAL(textChanged(const QString &)),
        this, SLOT(enableFindButton(const QString &)));
connect(findButton, SIGNAL(clicked()),
        this, SLOT(findClicked()));
connect(closeButton, SIGNAL(clicked()),
        this, SLOT(close()));
connect(wholeWordCheckBox, SIGNAL(clicked(bool)),
        this, SLOT(wholeWordCheckBoxClicked(bool)));

QHBoxLayout *topLeftLayout = new QHBoxLayout;
topLeftLayout->addWidget(label);
topLeftLayout->addWidget(lineEdit);

QVBoxLayout *leftLayout = new QVBoxLayout;
leftLayout->addLayout(topLeftLayout);
leftLayout->addWidget(caseCheckBox);
leftLayout->addWidget(backwardCheckBox);
leftLayout->addWidget(wholeWordCheckBox);

QVBoxLayout *rightLayout = new QVBoxLayout;
rightLayout->addWidget(findButton);
rightLayout->addWidget(closeButton);
rightLayout->addStretch();

QHBoxLayout *mainLayout = new QHBoxLayout;
mainLayout->addLayout(leftLayout);
mainLayout->addLayout(rightLayout);
setLayout(mainLayout);

setWindowTitle(tr('Find'));
setFixedHeight(sizeHint().height());

}

void FindDialog::findClicked() { QString text = lineEdit->text(); Qt::CaseSensitivity cs = caseCheckBox->isChecked() ? Qt::CaseSensitive : Qt::CaseInsensitive; bool wholeWordOnly = wholeWordCheckBox->isChecked(); if (backwardCheckBox->isChecked()) { emit findPrevious(text, cs, wholeWordOnly); } else { emit findNext(text, cs, wholeWordOnly); } }

void FindDialog::enableFindButton(const QString &text) { findButton->setEnabled(!text.isEmpty()); }

signals: void findNext(const QString &text, Qt::CaseSensitivity cs, bool wholeWordOnly); void findPrevious(const QString &text, Qt::CaseSensitivity cs, bool wholeWordOnly); void wholeWordOnlyChanged(bool wholeWordOnly);

private slots: void wholeWordCheckBoxClicked(bool checked) { emit wholeWordOnlyChanged(checked); }

private: QLabel *label; QLineEdit *lineEdit; QCheckBox *caseCheckBox; QCheckBox *backwardCheckBox; QCheckBox *wholeWordCheckBox; QPushButton *findButton; QPushButton *closeButton;