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falkonOfficial/src/lib/other/iconchooser.cpp
David Rosca c1c168aae9 Create every QSqlQuery with correct database for current thread
Queries are now always executed on correct database instance.
Databases are also stored in thread local storage instead of in hash
table with mutex.

Closes #2498
2017-12-18 13:06:42 +01:00

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/* ============================================================
* Falkon - Qt web browser
* Copyright (C) 2010-2017 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 "sqldatabase.h"
#include <QFileDialog>
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(SqlDatabase::instance()->database());
query.prepare(QSL("SELECT icon FROM icons WHERE url GLOB ? LIMIT 20"));
query.addBindValue(QString(QL1S("*%1*")).arg(QzTools::escapeSqlGlobString(string)));
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
opt.showDecorationSelected = true;
style->drawPrimitive(QStyle::PE_PanelItemViewItem, &opt, painter, w);
// Draw icon
const int padding = opt.rect.width() / 4;
const QIcon icon = index.data(Qt::DecorationRole).value<QIcon>();
icon.paint(painter, opt.rect.adjusted(padding, padding, -padding, -padding));
}
QSize IconChooserDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
Q_UNUSED(option)
Q_UNUSED(index)
return QSize(48, 48);
}