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#include "findwidget.h"
FindWidget::FindWidget(QWidget *parent, QTextEdit *edit) :
QWidget(parent)
{
mTextpage = edit;
findEdit = new QLineEdit(this);
closeButton= new QPushButton(this->style()->standardIcon(QStyle::SP_TitleBarCloseButton),"",this);
QHBoxLayout *notificationWidgetLayout = new QHBoxLayout(this);
notificationWidgetLayout->setContentsMargins(10,0,0,0);
notificationWidgetLayout->addWidget(new QLabel(tr("Find:")));
notificationWidgetLayout->addWidget(findEdit,2);
notificationWidgetLayout->addWidget(closeButton);
this->setLayout(notificationWidgetLayout);
connect(findEdit,SIGNAL(textEdited(QString)),this,SLOT(find()));
connect(findEdit,SIGNAL(returnPressed()),this,SLOT(findNext()));
connect(closeButton,SIGNAL(clicked()),this,SLOT(closeSlot()));
// The timer is necessary for setting the focus
QTimer::singleShot(0, findEdit, SLOT(setFocus()));
}
void FindWidget::findNext()
{
cursor = mTextpage->document()->find(findEdit->text(), cursor, QTextDocument::FindCaseSensitively);
// if end of document is reached, restart search from beginning
if (cursor.position() == -1) {
cursor.setPosition(0);
cursor = mTextpage->document()->find(findEdit->text(), cursor, QTextDocument::FindCaseSensitively);
}
// if match is found set background of QLineEdit to white, otherwise to red
QPalette bgPalette( findEdit->palette() );
if ((cursor.position() == -1) && (!findEdit->text().isEmpty())) {
bgPalette.setColor( QPalette::Base, "#ececba");
} else {
bgPalette.setColor( QPalette::Base, Qt::white);
}
findEdit->setPalette(bgPalette);
mTextpage->setTextCursor(cursor);
}
void FindWidget::find()
{
if (cursor.anchor() == -1) {
cursor = mTextpage->document()->find(findEdit->text(), cursor, QTextDocument::FindCaseSensitively);
} else {
cursor = mTextpage->document()->find(findEdit->text(), cursor.anchor(), QTextDocument::FindCaseSensitively);
}
// if match is found set background of QLineEdit to white, otherwise to red
QPalette bgPalette( findEdit->palette() );
if ((cursor.position() == -1) && (!findEdit->text().isEmpty())) {
bgPalette.setColor( QPalette::Base, "#ececba");
} else {
bgPalette.setColor( QPalette::Base, Qt::white);
}
findEdit->setPalette(bgPalette);
mTextpage->setTextCursor(cursor);
}
void FindWidget::keyPressEvent( QKeyEvent* e )
{
switch ( e->key() )
{
case Qt::Key_Escape:
this->closeSlot();
break;
case Qt::Key_F3:
this->findNext();
break;
}
}
void FindWidget::closeSlot() {
if ( cursor.position() == -1) {
cursor = mTextpage->textCursor();
cursor.setPosition(0);
mTextpage->setTextCursor(cursor);
}
mTextpage->setFocus();
close();
}
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