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/* This file is part of the KDE project
* Copyright (C) 2011 Pierre Stirnweiss <pstirnweiss@googlemail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/*
* This class is heavily inspired by KLineEdit, so here goes credit because credit is due (from klineedit.h):
* This class was originally inspired by Torben Weis'
* fileentry.cpp for KFM II.
* Sven Radej <sven.radej@iname.com>
* Patrick Ward <PAT_WARD@HP-USA-om5.om.hp.com>
* Preston Brown <pbrown@kde.org>
* Completely re-designed:
* Dawit Alemayehu <adawit@kde.org>
*/
#include "StylesComboPreview.h"
#include <QImage>
#include <QLineEdit>
#include <QModelIndex>
#include <QPainter>
#include <QPaintEvent>
#include <QFocusEvent>
#include <QMouseEvent>
#include <QKeyEvent>
#include <QPushButton>
#include <QString>
#include <KIcon>
#include <KLocale>
#include <KDebug>
StylesComboPreview::StylesComboPreview(QWidget *parent) :
QLineEdit(parent),
m_renamingNewStyle(false),
m_shouldAddNewStyle(false),
m_addButton(0)
{
init();
}
StylesComboPreview::~StylesComboPreview()
{
delete m_addButton;
m_addButton = 0;
}
void StylesComboPreview::init()
{
setReadOnly(true);
if (m_addButton) {
return;
}
m_addButton = new QPushButton(this);
m_addButton->setCursor( Qt::ArrowCursor );
m_addButton->setIcon(KIcon("list-add"));
m_addButton->setFlat(true);
m_addButton->setMinimumSize(16,16);
m_addButton->setMaximumSize(16, 16);
//TODO uncomment the following line after string freeze, also remove the _ in the middle of i18_nc call
// m_addButton->setToolTip( i18_nc( "@action:button Create a new style with the current properties", "Create style" ) );
connect(m_addButton, SIGNAL(clicked()), this, SLOT(addNewStyle()));
updateAddButton();
}
void StylesComboPreview::updateAddButton()
{
if (!m_addButton) {
return;
}
const QSize geom = size();
const int buttonWidth = m_addButton->size().width();
m_addButton->move(geom.width() - buttonWidth , (geom.height()-m_addButton->size().height())/2);
}
void StylesComboPreview::setAddButtonShown(bool show)
{
m_addButton->setVisible(show);
}
QSize StylesComboPreview::availableSize() const
{
return QSize(contentsRect().width()- m_addButton->width(), contentsRect().height()); ///TODO dynamic resizing when button shown/hidden.
}
void StylesComboPreview::setPreview(QImage image)
{
m_stylePreview = image;
}
bool StylesComboPreview::isAddButtonShown() const
{
return m_addButton != 0;
}
void StylesComboPreview::resizeEvent( QResizeEvent * ev )
{
QLineEdit::resizeEvent(ev);
emit resized();
updateAddButton();
}
void StylesComboPreview::keyPressEvent( QKeyEvent *e )
{
if (m_shouldAddNewStyle && e->key() == Qt::Key_Escape) {
m_renamingNewStyle = false;
m_shouldAddNewStyle = false;
setReadOnly(true);
setText(QString());
e->accept();
}
else if (m_shouldAddNewStyle && (e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return)) {
m_renamingNewStyle = false;
m_shouldAddNewStyle = false;
emit newStyleRequested(text());
setReadOnly(true);
setText(QString());
e->accept();
}
else {
QLineEdit::keyPressEvent(e);
}
}
void StylesComboPreview::focusOutEvent(QFocusEvent *e)
{
if (e->reason() != Qt::ActiveWindowFocusReason && e->reason() != Qt::PopupFocusReason) {
if (m_shouldAddNewStyle) {
m_renamingNewStyle = false;
m_shouldAddNewStyle = false;
emit newStyleRequested(text());
setReadOnly(true);
setText(QString());
e->accept();
}
setReadOnly(true);
m_renamingNewStyle = false;
setText(QString());
}
else {
QLineEdit::focusOutEvent(e);
}
}
void StylesComboPreview::mouseReleaseEvent(QMouseEvent *event)
{
Q_UNUSED(event);
if (!m_renamingNewStyle) {
emit clicked();
}
}
void StylesComboPreview::paintEvent( QPaintEvent *ev )
{
if (!m_renamingNewStyle) {
QLineEdit::paintEvent(ev);
QPainter p(this);
p.setClipRect(ev->rect());
p.drawImage(contentsRect().topLeft(), m_stylePreview);
}
else {
QLineEdit::paintEvent(ev);
}
}
void StylesComboPreview::addNewStyle()
{
m_renamingNewStyle = true;
m_shouldAddNewStyle = true;
setText(i18n("New style"));
selectAll();
setReadOnly(false);
this->setFocus();
}
#include "StylesComboPreview.moc"
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