FindDialog.cpp

#include "FindDialog.h"
#include <QLabel>
#include <QLineEdit>
#include <QCheckBox>
#include <QPushButton>
#include <QHBoxLayout>
#include <QVBoxLayout>

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 &Backford"));
	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()));

	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();

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

	this->setLayout(mainLayout);
	this->setWindowTitle(tr("Find"));
	this->setFixedHeight(sizeHint().height());
}

FindDialog::~FindDialog(){}

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

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