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/****************************************************************************
**
** Copyright (C) 2016 Denis Mingulov.
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "imageviewer.h"
#include "imageviewerfile.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/fileutils.h>
#include <utils/qtcassert.h>
#include <utils/utilsicons.h>
#include <QMap>
#include <QFileInfo>
#include <QDir>
#include <QWidget>
#include <QDebug>
namespace ImageViewer {
namespace Internal {
struct ImageViewerPrivate
{
QString displayName;
QSharedPointer<ImageViewerFile> file;
ImageView *imageView;
QWidget *toolbar;
Ui::ImageViewerToolbar ui_toolbar;
};
/*!
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.
*/
static bool 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;
}
ImageViewer::ImageViewer(QWidget *parent)
: IEditor(parent),
d(new ImageViewerPrivate)
{
d->file.reset(new ImageViewerFile);
ctor();
}
ImageViewer::ImageViewer(const QSharedPointer<ImageViewerFile> &document, QWidget *parent)
: IEditor(parent),
d(new ImageViewerPrivate)
{
d->file = document;
ctor();
}
void ImageViewer::ctor()
{
d->imageView = new ImageView(d->file.data());
setContext(Core::Context(Constants::IMAGEVIEWER_ID));
setWidget(d->imageView);
setDuplicateSupported(true);
// toolbar
d->toolbar = new QWidget();
d->ui_toolbar.setupUi(d->toolbar);
d->ui_toolbar.toolButtonExportImage->setIcon(
QIcon::fromTheme(QLatin1String("document-save"),
Utils::Icons::SAVEFILE_TOOLBAR.icon()));
const Utils::Icon backgroundIcon({
{QLatin1String(":/utils/images/desktopdevicesmall.png"), Utils::Theme::IconsBaseColor}});
d->ui_toolbar.toolButtonBackground->setIcon(backgroundIcon.icon());
d->ui_toolbar.toolButtonOutline->setIcon(Utils::Icons::BOUNDING_RECT.icon());
d->ui_toolbar.toolButtonZoomIn->setIcon(Utils::Icons::ZOOMIN_TOOLBAR.icon());
d->ui_toolbar.toolButtonZoomOut->setIcon(Utils::Icons::ZOOMOUT_TOOLBAR.icon());
d->ui_toolbar.toolButtonFitToScreen->setIcon(Utils::Icons::FITTOVIEW_TOOLBAR.icon());
d->ui_toolbar.toolButtonOriginalSize->setIcon(Utils::Icons::EYE_OPEN_TOOLBAR.icon());
// 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.toolButtonExportImage->setCommandId(Constants::ACTION_EXPORT_IMAGE);
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.toolButtonExportImage, &QAbstractButton::clicked,
d->imageView, &ImageView::exportImage);
connect(d->ui_toolbar.toolButtonZoomIn, &QAbstractButton::clicked,
d->imageView, &ImageView::zoomIn);
connect(d->ui_toolbar.toolButtonZoomOut, &QAbstractButton::clicked,
d->imageView, &ImageView::zoomOut);
connect(d->ui_toolbar.toolButtonFitToScreen, &QAbstractButton::clicked,
d->imageView, &ImageView::fitToScreen);
connect(d->ui_toolbar.toolButtonOriginalSize, &QAbstractButton::clicked,
d->imageView, &ImageView::resetToOriginalSize);
connect(d->ui_toolbar.toolButtonBackground, &QAbstractButton::toggled,
d->imageView, &ImageView::setViewBackground);
connect(d->ui_toolbar.toolButtonOutline, &QAbstractButton::toggled,
d->imageView, &ImageView::setViewOutline);
connect(d->ui_toolbar.toolButtonPlayPause, &Core::CommandButton::clicked,
this, &ImageViewer::playToggled);
connect(d->file.data(), &ImageViewerFile::imageSizeChanged,
this, &ImageViewer::imageSizeUpdated);
connect(d->file.data(), &ImageViewerFile::openFinished,
d->imageView, &ImageView::createScene);
connect(d->file.data(), &ImageViewerFile::openFinished,
this, &ImageViewer::updateToolButtons);
connect(d->file.data(), &ImageViewerFile::aboutToReload,
d->imageView, &ImageView::reset);
connect(d->file.data(), &ImageViewerFile::reloadFinished,
d->imageView, &ImageView::createScene);
connect(d->file.data(), &ImageViewerFile::isPausedChanged,
this, &ImageViewer::updatePauseAction);
connect(d->imageView, &ImageView::scaleFactorChanged,
this, &ImageViewer::scaleFactorUpdate);
}
ImageViewer::~ImageViewer()
{
delete d->imageView;
delete d->toolbar;
delete d;
}
Core::IDocument *ImageViewer::document()
{
return d->file.data();
}
QWidget *ImageViewer::toolBar()
{
return d->toolbar;
}
Core::IEditor *ImageViewer::duplicate()
{
auto other = new ImageViewer(d->file);
other->d->imageView->createScene();
other->updateToolButtons();
other->d->ui_toolbar.labelImageSize->setText(d->ui_toolbar.labelImageSize->text());
return other;
}
void ImageViewer::exportImage()
{
if (d->file->type() == ImageViewerFile::TypeSvg)
d->ui_toolbar.toolButtonExportImage->click();
}
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);
}
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::updateToolButtons()
{
d->ui_toolbar.toolButtonExportImage->setEnabled(d->file->type() == ImageViewerFile::TypeSvg);
updatePauseAction();
}
void ImageViewer::togglePlay()
{
d->ui_toolbar.toolButtonPlayPause->click();
}
void ImageViewer::playToggled()
{
d->file->setPaused(!d->file->isPaused());
}
void ImageViewer::updatePauseAction()
{
bool isMovie = d->file->type() == ImageViewerFile::TypeMovie;
if (isMovie && !d->file->isPaused()) {
d->ui_toolbar.toolButtonPlayPause->setToolTipBase(tr("Pause Animation"));
d->ui_toolbar.toolButtonPlayPause->setIcon(Utils::Icons::INTERRUPT_SMALL_TOOLBAR.icon());
} else {
d->ui_toolbar.toolButtonPlayPause->setToolTipBase(tr("Play Animation"));
d->ui_toolbar.toolButtonPlayPause->setIcon(Utils::Icons::RUN_SMALL_TOOLBAR.icon());
d->ui_toolbar.toolButtonPlayPause->setEnabled(isMovie);
}
}
} // namespace Internal
} // namespace ImageViewer
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