#include <qcheckbox.h>#include <qlabel.h>#include <qlayout.h>#include <qlineedit.h>#include <qpushbutton.h>#include "finddialog.h"FindDialog::FindDialog(QWidget *parent, const char *name)    : QDialog(parent, name){    setCaption(tr("Find"));    label = new QLabel(tr("Find &what:"), this);    lineEdit = new QLineEdit(this);    label->setBuddy(lineEdit);    caseCheckBox = new QCheckBox(tr("Match &case"), this);    backwardCheckBox = new QCheckBox(tr("Search &backward"), this);    findButton = new QPushButton(tr("&Find"), this);    findButton->setDefault(true);    findButton->setEnabled(false);    closeButton = new QPushButton(tr("Close"), this);    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()));    QHBoxLayout *topLeftLayout = new QHBoxLayout;    topLeftLayout->addWidget(label);    topLeftLayout->addWidget(lineEdit);    QVBoxLayout *leftLayout = new QVBoxLayout;    leftLayout->addLayout(topLeftLayout);    leftLayout->addWidget(caseCheckBox);    leftLayout->addWidget(backwardCheckBox);    QVBoxLayout *rightLayout = new QVBoxLayout;    rightLayout->addWidget(findButton);    rightLayout->addWidget(closeButton);    rightLayout->addStretch(1);    QHBoxLayout *mainLayout = new QHBoxLayout(this);    mainLayout->setMargin(11);    mainLayout->setSpacing(6);    mainLayout->addLayout(leftLayout);    mainLayout->addLayout(rightLayout);}void FindDialog::findClicked(){    QString text = lineEdit->text();    bool caseSensitive = caseCheckBox->isOn();    if (backwardCheckBox->isOn())        emit findPrev(text, caseSensitive);    else        emit findNext(text, caseSensitive);}void FindDialog::enableFindButton(const QString &text){    findButton->setEnabled(!text.isEmpty());}