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falkonOfficial/src/lib/other/iconchooser.cpp
2016-04-24 10:17:13 +02:00

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/* ============================================================
* QupZilla - WebKit based browser
* Copyright (C) 2010-2016 David Rosca <nowrep@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* ============================================================ */
#include "iconchooser.h"
#include "ui_iconchooser.h"
#include "mainapplication.h"
#include "proxystyle.h"
#include "qztools.h"
#include <QFileDialog>
#include <QSqlQuery>
IconChooser::IconChooser(QWidget* parent)
: QDialog(parent),
ui(new Ui::IconChooser)
{
ui->setupUi(this);
ui->iconList->setItemDelegate(new IconChooserDelegate(ui->iconList));
connect(ui->chooseFile, SIGNAL(clicked()), this, SLOT(chooseFile()));
connect(ui->siteUrl, SIGNAL(textChanged(QString)), this, SLOT(searchIcon(QString)));
}
void IconChooser::chooseFile()
{
const QString fileTypes = QString("%3(*.png *.jpg *.jpeg *.gif)").arg(tr("Image files"));
const QString path = QzTools::getOpenFileName("IconChooser-ChangeIcon", this, tr("Choose icon..."), QDir::homePath(), fileTypes);
if (path.isEmpty()) {
return;
}
ui->iconList->clear();
QIcon icon(path);
if (!icon.isNull()) {
QListWidgetItem* item = new QListWidgetItem(ui->iconList);
item->setIcon(icon);
ui->iconList->setCurrentItem(item);
}
}
void IconChooser::searchIcon(const QString &string)
{
if (string.size() < 4) {
return;
}
ui->iconList->clear();
QSqlQuery query;
query.prepare(QSL("SELECT icon FROM icons WHERE url LIKE ? ESCAPE ? LIMIT 20"));
query.bindValue(0, QString(QL1S("%%1%")).arg(QzTools::escapeSqlString(string)));
query.bindValue(1, QL1S("!"));
query.exec();
while (query.next()) {
QImage image = QImage::fromData(query.value(0).toByteArray());
if (!image.isNull()) {
QListWidgetItem* item = new QListWidgetItem(ui->iconList);
item->setIcon(QPixmap::fromImage(image));
}
}
}
QIcon IconChooser::getIcon()
{
QIcon icon;
int status = QDialog::exec();
if (status == QDialog::Accepted) {
QList<QListWidgetItem*> selectedItems = ui->iconList->selectedItems();
if (!selectedItems.isEmpty()) {
icon = selectedItems.at(0)->icon();
}
}
// Ensure we are returning 16×16px icon
if (!icon.isNull()) {
icon = icon.pixmap(16);
}
return icon;
}
IconChooser::~IconChooser()
{
delete ui;
}
IconChooserDelegate::IconChooserDelegate(QWidget* parent)
: QStyledItemDelegate(parent)
{
}
void IconChooserDelegate::paint(QPainter* painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QStyleOptionViewItem opt = option;
initStyleOption(&opt, index);
const QWidget* w = opt.widget;
const QStyle* style = w ? w->style() : QApplication::style();
// Draw background
if (mApp->styleName() == QLatin1String("fusion")) {
style->drawPrimitive(QStyle::PE_PanelItemViewRow, &opt, painter, w);
}
else {
style->drawPrimitive(QStyle::PE_PanelItemViewItem, &opt, painter, w);
}
// Draw icon
QIcon icon = index.data(Qt::DecorationRole).value<QIcon>();
icon.paint(painter, opt.rect);
}
QSize IconChooserDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
Q_UNUSED(option)
Q_UNUSED(index)
return QSize(48, 48);
}