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/**************************************************************************
**
** Copyright (C) 2013 Denis Mingulov.
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "imageviewer.h"
#include "imageviewerfile.h"
#include "imagevieweractionhandler.h"
#include "imageviewerconstants.h"
#include "imageview.h"
#include "ui_imageviewertoolbar.h"
#include <coreplugin/icore.h>
#include <coreplugin/actionmanager/actionmanager.h>
#include <coreplugin/actionmanager/command.h>
#include <utils/qtcassert.h>
#include <QMap>
#include <QFileInfo>
#include <QDir>
#include <QWidget>
#include <QDebug>
namespace ImageViewer {
namespace Internal {
struct ImageViewerPrivate
{
QString displayName;
ImageViewerFile *file;
ImageView *imageView;
QWidget *toolbar;
Ui::ImageViewerToolbar ui_toolbar;
};
ImageViewer::ImageViewer(QWidget *parent)
: IEditor(parent),
d(new ImageViewerPrivate)
{
d->file = new ImageViewerFile(this);
d->imageView = new ImageView();
setContext(Core::Context(Constants::IMAGEVIEWER_ID));
setWidget(d->imageView);
// toolbar
d->toolbar = new QWidget();
d->ui_toolbar.setupUi(d->toolbar);
// icons update - try to use system theme
updateButtonIconByTheme(d->ui_toolbar.toolButtonZoomIn, QLatin1String("zoom-in"));
updateButtonIconByTheme(d->ui_toolbar.toolButtonZoomOut, QLatin1String("zoom-out"));
updateButtonIconByTheme(d->ui_toolbar.toolButtonOriginalSize, QLatin1String("zoom-original"));
updateButtonIconByTheme(d->ui_toolbar.toolButtonFitToScreen, QLatin1String("zoom-fit-best"));
// a display - something is on the background
updateButtonIconByTheme(d->ui_toolbar.toolButtonBackground, QLatin1String("video-display"));
// "emblem to specify the directory where the user stores photographs"
// (photograph has outline - piece of paper)
updateButtonIconByTheme(d->ui_toolbar.toolButtonOutline, QLatin1String("emblem-photos"));
d->ui_toolbar.toolButtonZoomIn->setCommandId(Constants::ACTION_ZOOM_IN);
d->ui_toolbar.toolButtonZoomOut->setCommandId(Constants::ACTION_ZOOM_OUT);
d->ui_toolbar.toolButtonOriginalSize->setCommandId(Constants::ACTION_ORIGINAL_SIZE);
d->ui_toolbar.toolButtonFitToScreen->setCommandId(Constants::ACTION_FIT_TO_SCREEN);
d->ui_toolbar.toolButtonBackground->setCommandId(Constants::ACTION_BACKGROUND);
d->ui_toolbar.toolButtonOutline->setCommandId(Constants::ACTION_OUTLINE);
d->ui_toolbar.toolButtonPlayPause->setCommandId(Constants::ACTION_TOGGLE_ANIMATION);
// connections
connect(d->ui_toolbar.toolButtonZoomIn, SIGNAL(clicked()),
d->imageView, SLOT(zoomIn()));
connect(d->ui_toolbar.toolButtonZoomOut, SIGNAL(clicked()),
d->imageView, SLOT(zoomOut()));
connect(d->ui_toolbar.toolButtonFitToScreen, SIGNAL(clicked()),
d->imageView, SLOT(fitToScreen()));
connect(d->ui_toolbar.toolButtonOriginalSize, SIGNAL(clicked()),
d->imageView, SLOT(resetToOriginalSize()));
connect(d->ui_toolbar.toolButtonBackground, SIGNAL(toggled(bool)),
d->imageView, SLOT(setViewBackground(bool)));
connect(d->ui_toolbar.toolButtonOutline, SIGNAL(toggled(bool)),
d->imageView, SLOT(setViewOutline(bool)));
connect(d->ui_toolbar.toolButtonPlayPause, SIGNAL(clicked()),
this, SLOT(playToggled()));
connect(d->imageView, SIGNAL(imageSizeChanged(QSize)),
this, SLOT(imageSizeUpdated(QSize)));
connect(d->imageView, SIGNAL(scaleFactorChanged(qreal)),
this, SLOT(scaleFactorUpdate(qreal)));
}
ImageViewer::~ImageViewer()
{
delete d->imageView;
delete d->toolbar;
delete d;
}
bool ImageViewer::open(QString *errorString, const QString &fileName, const QString &realFileName)
{
if (!d->imageView->openFile(realFileName)) {
*errorString = tr("Cannot open image file %1.").arg(QDir::toNativeSeparators(realFileName));
return false;
}
d->file->setFilePath(fileName);
d->ui_toolbar.toolButtonPlayPause->setVisible(d->imageView->isAnimated());
setPaused(!d->imageView->isAnimated());
// d_ptr->file->setMimeType
return true;
}
Core::IDocument *ImageViewer::document()
{
return d->file;
}
Core::Id ImageViewer::id() const
{
return Core::Id(Constants::IMAGEVIEWER_ID);
}
QWidget *ImageViewer::toolBar()
{
return d->toolbar;
}
void ImageViewer::imageSizeUpdated(const QSize &size)
{
QString imageSizeText;
if (size.isValid())
imageSizeText = QString::fromLatin1("%1x%2").arg(size.width()).arg(size.height());
d->ui_toolbar.labelImageSize->setText(imageSizeText);
}
void ImageViewer::scaleFactorUpdate(qreal factor)
{
const QString info = QString::number(factor * 100, 'f', 2) + QLatin1Char('%');
d->ui_toolbar.labelInfo->setText(info);
}
/*!
Tries to change the \a button icon to the icon specified by \a name
from the current theme. Returns \c true if icon is updated, \c false
otherwise.
*/
bool ImageViewer::updateButtonIconByTheme(QAbstractButton *button, const QString &name)
{
QTC_ASSERT(button, return false);
QTC_ASSERT(!name.isEmpty(), return false);
if (QIcon::hasThemeIcon(name)) {
button->setIcon(QIcon::fromTheme(name));
return true;
}
return false;
}
void ImageViewer::switchViewBackground()
{
d->ui_toolbar.toolButtonBackground->click();
}
void ImageViewer::switchViewOutline()
{
d->ui_toolbar.toolButtonOutline->click();
}
void ImageViewer::zoomIn()
{
d->ui_toolbar.toolButtonZoomIn->click();
}
void ImageViewer::zoomOut()
{
d->ui_toolbar.toolButtonZoomOut->click();
}
void ImageViewer::resetToOriginalSize()
{
d->ui_toolbar.toolButtonOriginalSize->click();
}
void ImageViewer::fitToScreen()
{
d->ui_toolbar.toolButtonFitToScreen->click();
}
void ImageViewer::togglePlay()
{
d->ui_toolbar.toolButtonPlayPause->click();
}
void ImageViewer::playToggled()
{
bool paused = d->imageView->isPaused();
setPaused(!paused);
}
void ImageViewer::setPaused(bool paused)
{
d->imageView->setPaused(paused);
if (paused) {
d->ui_toolbar.toolButtonPlayPause->setToolTipBase(tr("Play Animation"));
d->ui_toolbar.toolButtonPlayPause->setIcon(QPixmap(QLatin1String(":/imageviewer/images/play-small.png")));
} else {
d->ui_toolbar.toolButtonPlayPause->setToolTipBase(tr("Pause Animation"));
d->ui_toolbar.toolButtonPlayPause->setIcon(QPixmap(QLatin1String(":/imageviewer/images/pause-small.png")));
}
}
} // namespace Internal
} // namespace ImageViewer
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