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MainWindow.cpp
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MainWindow.cpp
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/*
Scan Tailor - Interactive post-processing tool for scanned pages.
Copyright (C) Joseph Artsimovich <[email protected]>
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 "MainWindow.h"
#include "MainWindow.h.moc"
#include "NewOpenProjectPanel.h"
#include "RecentProjects.h"
#include "WorkerThread.h"
#include "ProjectPages.h"
#include "PageSequence.h"
#include "PageSelectionAccessor.h"
#include "PageSelectionProvider.h"
#include "StageSequence.h"
#include "ThumbnailSequence.h"
#include "PageOrderOption.h"
#include "PageOrderProvider.h"
#include "ProcessingTaskQueue.h"
#include "FileNameDisambiguator.h"
#include "OutputFileNameGenerator.h"
#include "ImageInfo.h"
#include "PageInfo.h"
#include "ImageId.h"
#include "Utils.h"
#include "FilterOptionsWidget.h"
#include "ErrorWidget.h"
#include "AutoRemovingFile.h"
#include "DebugImages.h"
#include "DebugImageView.h"
#include "TabbedDebugImages.h"
#include "BasicImageView.h"
#include "ProjectWriter.h"
#include "ProjectReader.h"
#include "ThumbnailPixmapCache.h"
#include "ThumbnailFactory.h"
#include "ContentBoxPropagator.h"
#include "PageOrientationPropagator.h"
#include "ProjectCreationContext.h"
#include "ProjectOpeningContext.h"
#include "SkinnedButton.h"
#include "SystemLoadWidget.h"
#include "ProcessingIndicationWidget.h"
#include "ImageMetadataLoader.h"
#include "SmartFilenameOrdering.h"
#include "OrthogonalRotation.h"
#include "FixDpiDialog.h"
#include "LoadFilesStatusDialog.h"
#include "SettingsDialog.h"
#include "AbstractRelinker.h"
#include "RelinkingDialog.h"
#include "OutOfMemoryHandler.h"
#include "OutOfMemoryDialog.h"
#include "QtSignalForwarder.h"
#include "filters/fix_orientation/Filter.h"
#include "filters/fix_orientation/Task.h"
#include "filters/fix_orientation/CacheDrivenTask.h"
#include "filters/page_split/Filter.h"
#include "filters/page_split/Task.h"
#include "filters/page_split/CacheDrivenTask.h"
#include "filters/deskew/Filter.h"
#include "filters/deskew/Task.h"
#include "filters/deskew/CacheDrivenTask.h"
#include "filters/select_content/Filter.h"
#include "filters/select_content/Task.h"
#include "filters/select_content/CacheDrivenTask.h"
#include "filters/page_layout/Filter.h"
#include "filters/page_layout/Task.h"
#include "filters/page_layout/CacheDrivenTask.h"
#include "filters/output/Filter.h"
#include "filters/output/Task.h"
#include "filters/output/CacheDrivenTask.h"
#include "LoadFileTask.h"
#include "CompositeCacheDrivenTask.h"
#include "ScopedIncDec.h"
#include "ui_AboutDialog.h"
#include "ui_RemovePagesDialog.h"
#include "ui_BatchProcessingLowerPanel.h"
#include "config.h"
#include "version.h"
#ifndef Q_MOC_RUN
#include <boost/foreach.hpp>
#include <boost/lambda/lambda.hpp>
#include <boost/lambda/bind.hpp>
#endif
#include <QApplication>
#include <QLineF>
#include <QPointer>
#include <QWidget>
#include <QDialog>
#include <QCloseEvent>
#include <QStackedLayout>
#include <QGridLayout>
#include <QVBoxLayout>
#include <QLayoutItem>
#include <QScrollBar>
#include <QPushButton>
#include <QCheckBox>
#include <QFileInfo>
#include <QFile>
#include <QDir>
#include <QString>
#include <QByteArray>
#include <QVariant>
#include <QModelIndex>
#include <QFileDialog>
#include <QMessageBox>
#include <QPalette>
#include <QStyle>
#include <QSettings>
#include <QDomDocument>
#include <QSortFilterProxyModel>
#include <QFileSystemModel>
#include <QFileInfo>
#include <QResource>
#include <Qt>
#include <QDebug>
#include <algorithm>
#include <vector>
#include <stddef.h>
#include <math.h>
#include <assert.h>
class MainWindow::PageSelectionProviderImpl : public PageSelectionProvider
{
public:
PageSelectionProviderImpl(MainWindow* wnd) : m_ptrWnd(wnd) {}
virtual PageSequence allPages() const {
return m_ptrWnd ? m_ptrWnd->allPages() : PageSequence();
}
virtual std::set<PageId> selectedPages() const {
return m_ptrWnd ? m_ptrWnd->selectedPages() : std::set<PageId>();
}
std::vector<PageRange> selectedRanges() const {
return m_ptrWnd ? m_ptrWnd->selectedRanges() : std::vector<PageRange>();
}
private:
QPointer<MainWindow> m_ptrWnd;
};
MainWindow::MainWindow()
: m_ptrPages(new ProjectPages),
m_ptrStages(new StageSequence(m_ptrPages, newPageSelectionAccessor())),
m_ptrWorkerThread(new WorkerThread),
m_ptrInteractiveQueue(new ProcessingTaskQueue(ProcessingTaskQueue::RANDOM_ORDER)),
m_ptrOutOfMemoryDialog(new OutOfMemoryDialog),
m_curFilter(0),
m_ignoreSelectionChanges(0),
m_ignorePageOrderingChanges(0),
m_debug(false),
m_closing(false)
{
m_maxLogicalThumbSize = QSize(250, 160);
m_ptrThumbSequence.reset(new ThumbnailSequence(m_maxLogicalThumbSize));
setupUi(this);
sortOptions->setVisible(false);
#if !defined(ENABLE_OPENGL)
// Right now the only setting is 3D acceleration, so get rid of
// the whole Settings dialog, if it's inaccessible.
actionSettings->setVisible(false);
#endif
createBatchProcessingWidget();
m_ptrProcessingIndicationWidget.reset(new ProcessingIndicationWidget);
filterList->setStages(m_ptrStages);
filterList->selectRow(0);
setupThumbView(); // Expects m_ptrThumbSequence to be initialized.
m_ptrTabbedDebugImages.reset(new TabbedDebugImages);
m_debug = actionDebug->isChecked();
m_pImageFrameLayout = new QStackedLayout(imageViewFrame);
m_pOptionsFrameLayout = new QStackedLayout(filterOptions);
addAction(actionFirstPage);
addAction(actionLastPage);
addAction(actionNextPage);
addAction(actionPrevPage);
addAction(actionPrevPageQ);
addAction(actionNextPageW);
// Should be enough to save a project.
OutOfMemoryHandler::instance().allocateEmergencyMemory(3*1024*1024);
connect(actionFirstPage, SIGNAL(triggered(bool)), SLOT(goFirstPage()));
connect(actionLastPage, SIGNAL(triggered(bool)), SLOT(goLastPage()));
connect(actionPrevPage, SIGNAL(triggered(bool)), SLOT(goPrevPage()));
connect(actionNextPage, SIGNAL(triggered(bool)), SLOT(goNextPage()));
connect(actionPrevPageQ, SIGNAL(triggered(bool)), this, SLOT(goPrevPage()));
connect(actionNextPageW, SIGNAL(triggered(bool)), this, SLOT(goNextPage()));
connect(actionAbout, SIGNAL(triggered(bool)), this, SLOT(showAboutDialog()));
connect(
&OutOfMemoryHandler::instance(),
SIGNAL(outOfMemory()), SLOT(handleOutOfMemorySituation())
);
connect(
filterList->selectionModel(),
SIGNAL(selectionChanged(QItemSelection const&, QItemSelection const&)),
this, SLOT(filterSelectionChanged(QItemSelection const&))
);
connect(
filterList, SIGNAL(launchBatchProcessing()),
this, SLOT(startBatchProcessing())
);
connect(
m_ptrWorkerThread.get(),
SIGNAL(taskResult(BackgroundTaskPtr const&, FilterResultPtr const&)),
this, SLOT(filterResult(BackgroundTaskPtr const&, FilterResultPtr const&))
);
connect(
m_ptrThumbSequence.get(),
SIGNAL(newSelectionLeader(PageInfo const&, QRectF const&, ThumbnailSequence::SelectionFlags)),
this, SLOT(currentPageChanged(PageInfo const&, QRectF const&, ThumbnailSequence::SelectionFlags))
);
connect(
m_ptrThumbSequence.get(),
SIGNAL(pageContextMenuRequested(PageInfo const&, QPoint const&, bool)),
this, SLOT(pageContextMenuRequested(PageInfo const&, QPoint const&, bool))
);
connect(
m_ptrThumbSequence.get(),
SIGNAL(pastLastPageContextMenuRequested(QPoint const&)),
SLOT(pastLastPageContextMenuRequested(QPoint const&))
);
connect(
thumbView->verticalScrollBar(), SIGNAL(sliderMoved(int)),
this, SLOT(thumbViewScrolled())
);
connect(
thumbView->verticalScrollBar(), SIGNAL(valueChanged(int)),
this, SLOT(thumbViewScrolled())
);
connect(
focusButton, SIGNAL(clicked(bool)),
this, SLOT(thumbViewFocusToggled(bool))
);
connect(
sortOptions, SIGNAL(currentIndexChanged(int)),
this, SLOT(pageOrderingChanged(int))
);
connect(actionFixDpi, SIGNAL(triggered(bool)), SLOT(fixDpiDialogRequested()));
connect(actionRelinking, SIGNAL(triggered(bool)), SLOT(showRelinkingDialog()));
connect(actionDebug, SIGNAL(toggled(bool)), SLOT(debugToggled(bool)));
connect(
actionSettings, SIGNAL(triggered(bool)),
this, SLOT(openSettingsDialog())
);
connect(
actionNewProject, SIGNAL(triggered(bool)),
this, SLOT(newProject())
);
connect(
actionOpenProject, SIGNAL(triggered(bool)),
this, SLOT(openProject())
);
connect(
actionSaveProject, SIGNAL(triggered(bool)),
this, SLOT(saveProjectTriggered())
);
connect(
actionSaveProjectAs, SIGNAL(triggered(bool)),
this, SLOT(saveProjectAsTriggered())
);
connect(
actionCloseProject, SIGNAL(triggered(bool)),
this, SLOT(closeProject())
);
connect(
actionQuit, SIGNAL(triggered(bool)),
this, SLOT(close())
);
updateProjectActions();
updateWindowTitle();
updateMainArea();
QSettings settings;
if (settings.value("mainWindow/maximized") == false) {
QVariant const geom(
settings.value("mainWindow/nonMaximizedGeometry")
);
if (!restoreGeometry(geom.toByteArray())) {
resize(1014, 689); // A sensible value.
}
}
}
MainWindow::~MainWindow()
{
m_ptrInteractiveQueue->cancelAndClear();
if (m_ptrBatchQueue.get()) {
m_ptrBatchQueue->cancelAndClear();
}
m_ptrWorkerThread->shutdown();
removeWidgetsFromLayout(m_pImageFrameLayout);
removeWidgetsFromLayout(m_pOptionsFrameLayout);
m_ptrTabbedDebugImages->clear();
}
PageSequence
MainWindow::allPages() const
{
return m_ptrThumbSequence->toPageSequence();
}
std::set<PageId>
MainWindow::selectedPages() const
{
return m_ptrThumbSequence->selectedItems();
}
std::vector<PageRange>
MainWindow::selectedRanges() const
{
return m_ptrThumbSequence->selectedRanges();
}
void
MainWindow::switchToNewProject(
IntrusivePtr<ProjectPages> const& pages,
QString const& out_dir, QString const& project_file_path,
ProjectReader const* project_reader)
{
stopBatchProcessing(CLEAR_MAIN_AREA);
m_ptrInteractiveQueue->cancelAndClear();
Utils::maybeCreateCacheDir(out_dir);
m_ptrPages = pages;
m_projectFile = project_file_path;
if (project_reader) {
m_selectedPage = project_reader->selectedPage();
}
IntrusivePtr<FileNameDisambiguator> disambiguator;
if (project_reader) {
disambiguator = project_reader->namingDisambiguator();
} else {
disambiguator.reset(new FileNameDisambiguator);
}
m_outFileNameGen = OutputFileNameGenerator(
disambiguator, out_dir, pages->layoutDirection()
);
// These two need to go in this order.
updateDisambiguationRecords(pages->toPageSequence(IMAGE_VIEW));
// Recreate the stages and load their state.
m_ptrStages.reset(new StageSequence(pages, newPageSelectionAccessor()));
if (project_reader) {
project_reader->readFilterSettings(m_ptrStages->filters());
}
// Connect the filter list model to the view and select
// the first item.
{
ScopedIncDec<int> guard(m_ignoreSelectionChanges);
filterList->setStages(m_ptrStages);
filterList->selectRow(0);
m_curFilter = 0;
// Setting a data model also implicitly sets a new
// selection model, so we have to reconnect to it.
connect(
filterList->selectionModel(),
SIGNAL(selectionChanged(QItemSelection const&, QItemSelection const&)),
this, SLOT(filterSelectionChanged(QItemSelection const&))
);
}
updateSortOptions();
m_ptrContentBoxPropagator.reset(
new ContentBoxPropagator(
m_ptrStages->pageLayoutFilter(),
createCompositeCacheDrivenTask(
m_ptrStages->selectContentFilterIdx()
)
)
);
m_ptrPageOrientationPropagator.reset(
new PageOrientationPropagator(
m_ptrStages->pageSplitFilter(),
createCompositeCacheDrivenTask(
m_ptrStages->fixOrientationFilterIdx()
)
)
);
// Thumbnails are stored relative to the output directory,
// so recreate the thumbnail cache.
if (out_dir.isEmpty()) {
m_ptrThumbnailCache.reset();
} else {
m_ptrThumbnailCache = Utils::createThumbnailCache(m_outFileNameGen.outDir());
}
resetThumbSequence(currentPageOrderProvider());
removeFilterOptionsWidget();
updateProjectActions();
updateWindowTitle();
updateMainArea();
if (!QDir(out_dir).exists()) {
showRelinkingDialog();
}
}
void
MainWindow::showNewOpenProjectPanel()
{
std::auto_ptr<QWidget> outer_widget(new QWidget);
QGridLayout* layout = new QGridLayout(outer_widget.get());
outer_widget->setLayout(layout);
NewOpenProjectPanel* nop = new NewOpenProjectPanel(outer_widget.get());
// We use asynchronous connections because otherwise we
// would be deleting a widget from its event handler, which
// Qt doesn't like.
connect(
nop, SIGNAL(newProject()),
this, SLOT(newProject()),
Qt::QueuedConnection
);
connect(
nop, SIGNAL(openProject()),
this, SLOT(openProject()),
Qt::QueuedConnection
);
connect(
nop, SIGNAL(openRecentProject(QString const&)),
this, SLOT(openProject(QString const&)),
Qt::QueuedConnection
);
layout->addWidget(nop, 1, 1);
layout->setColumnStretch(0, 1);
layout->setColumnStretch(2, 1);
layout->setRowStretch(0, 1);
layout->setRowStretch(2, 1);
setImageWidget(outer_widget.release(), TRANSFER_OWNERSHIP);
filterList->setBatchProcessingPossible(false);
}
void
MainWindow::createBatchProcessingWidget()
{
using namespace boost::lambda;
m_ptrBatchProcessingWidget.reset(new QWidget);
QGridLayout* layout = new QGridLayout(m_ptrBatchProcessingWidget.get());
m_ptrBatchProcessingWidget->setLayout(layout);
SkinnedButton* stop_btn = new SkinnedButton(
":/icons/stop-big.png",
":/icons/stop-big-hovered.png",
":/icons/stop-big-pressed.png",
m_ptrBatchProcessingWidget.get()
);
stop_btn->setStatusTip(tr("Stop batch processing"));
class LowerPanel : public QWidget
{
public:
LowerPanel(QWidget* parent = 0) : QWidget(parent) { ui.setupUi(this); }
Ui::BatchProcessingLowerPanel ui;
};
LowerPanel* lower_panel = new LowerPanel(m_ptrBatchProcessingWidget.get());
m_checkBeepWhenFinished = bind(&QCheckBox::isChecked, lower_panel->ui.beepWhenFinished);
int row = 0; // Row 0 is reserved.
layout->addWidget(stop_btn, ++row, 1, Qt::AlignCenter);
layout->addWidget(lower_panel, ++row, 0, 1, 3, Qt::AlignHCenter|Qt::AlignTop);
layout->setColumnStretch(0, 1);
layout->setColumnStretch(2, 1);
layout->setRowStretch(0, 1);
layout->setRowStretch(row, 1);
connect(stop_btn, SIGNAL(clicked()), SLOT(stopBatchProcessing()));
}
void
MainWindow::setupThumbView()
{
int const sb = thumbView->style()->pixelMetric(QStyle::PM_ScrollBarExtent);
int inner_width = thumbView->maximumViewportSize().width() - sb;
if (thumbView->style()->styleHint(QStyle::SH_ScrollView_FrameOnlyAroundContents, 0, thumbView)) {
inner_width -= thumbView->frameWidth() * 2;
}
int const delta_x = thumbView->size().width() - inner_width;
thumbView->setMinimumWidth((int)ceil(m_maxLogicalThumbSize.width() + delta_x));
thumbView->setBackgroundBrush(palette().color(QPalette::Window));
m_ptrThumbSequence->attachView(thumbView);
}
void
MainWindow::closeEvent(QCloseEvent* const event)
{
if (m_closing) {
event->accept();
} else {
event->ignore();
startTimer(0);
}
}
void
MainWindow::timerEvent(QTimerEvent* const event)
{
// We only use the timer event for delayed closing of the window.
killTimer(event->timerId());
if (closeProjectInteractive()) {
m_closing = true;
QSettings settings;
settings.setValue("mainWindow/maximized", isMaximized());
if (!isMaximized()) {
settings.setValue(
"mainWindow/nonMaximizedGeometry", saveGeometry()
);
}
close();
}
}
MainWindow::SavePromptResult
MainWindow::promptProjectSave()
{
QMessageBox::StandardButton const res = QMessageBox::question(
this, tr("Save Project"), tr("Save this project?"),
QMessageBox::Save|QMessageBox::Discard|QMessageBox::Cancel,
QMessageBox::Save
);
switch (res) {
case QMessageBox::Save:
return SAVE;
case QMessageBox::Discard:
return DONT_SAVE;
default:
return CANCEL;
}
}
bool
MainWindow::compareFiles(QString const& fpath1, QString const& fpath2)
{
QFile file1(fpath1);
QFile file2(fpath2);
if (!file1.open(QIODevice::ReadOnly)) {
return false;
}
if (!file2.open(QIODevice::ReadOnly)) {
return false;
}
if (!file1.isSequential() && !file2.isSequential()) {
if (file1.size() != file2.size()) {
return false;
}
}
int const chunk_size = 4096;
for (;;) {
QByteArray const chunk1(file1.read(chunk_size));
QByteArray const chunk2(file2.read(chunk_size));
if (chunk1.size() != chunk2.size()) {
return false;
} else if (chunk1.size() == 0) {
return true;
}
}
}
IntrusivePtr<PageOrderProvider const>
MainWindow::currentPageOrderProvider() const
{
int const idx = sortOptions->currentIndex();
if (idx < 0) {
return IntrusivePtr<PageOrderProvider const>();
}
IntrusivePtr<AbstractFilter> const filter(m_ptrStages->filterAt(m_curFilter));
return filter->pageOrderOptions()[idx].provider();
}
void
MainWindow::updateSortOptions()
{
ScopedIncDec<int> const guard(m_ignorePageOrderingChanges);
IntrusivePtr<AbstractFilter> const filter(m_ptrStages->filterAt(m_curFilter));
sortOptions->clear();
BOOST_FOREACH(PageOrderOption const& opt, filter->pageOrderOptions()) {
sortOptions->addItem(opt.name());
}
sortOptions->setVisible(sortOptions->count() > 0);
if (sortOptions->count() > 0) {
sortOptions->setCurrentIndex(filter->selectedPageOrder());
}
}
void
MainWindow::resetThumbSequence(
IntrusivePtr<PageOrderProvider const> const& page_order_provider)
{
if (m_ptrThumbnailCache.get()) {
IntrusivePtr<CompositeCacheDrivenTask> const task(
createCompositeCacheDrivenTask(m_curFilter)
);
m_ptrThumbSequence->setThumbnailFactory(
IntrusivePtr<ThumbnailFactory>(
new ThumbnailFactory(
m_ptrThumbnailCache,
m_maxLogicalThumbSize, task
)
)
);
}
m_ptrThumbSequence->reset(
m_ptrPages->toPageSequence(getCurrentView()),
ThumbnailSequence::RESET_SELECTION, page_order_provider
);
if (!m_ptrThumbnailCache.get()) {
// Empty project.
assert(m_ptrPages->numImages() == 0);
m_ptrThumbSequence->setThumbnailFactory(
IntrusivePtr<ThumbnailFactory>()
);
}
PageId const page(m_selectedPage.get(getCurrentView()));
if (m_ptrThumbSequence->setSelection(page)) {
// OK
} else if (m_ptrThumbSequence->setSelection(PageId(page.imageId(), PageId::LEFT_PAGE))) {
// OK
} else if (m_ptrThumbSequence->setSelection(PageId(page.imageId(), PageId::RIGHT_PAGE))) {
// OK
} else if (m_ptrThumbSequence->setSelection(PageId(page.imageId(), PageId::SINGLE_PAGE))) {
// OK
} else {
// Last resort.
m_ptrThumbSequence->setSelection(m_ptrThumbSequence->firstPage().id());
}
}
void
MainWindow::setOptionsWidget(FilterOptionsWidget* widget, Ownership const ownership)
{
if (isBatchProcessingInProgress()) {
if (ownership == TRANSFER_OWNERSHIP) {
delete widget;
}
return;
}
if (m_ptrOptionsWidget != widget) {
removeWidgetsFromLayout(m_pOptionsFrameLayout);
}
// Delete the old widget we were owning, if any.
m_optionsWidgetCleanup.clear();
if (ownership == TRANSFER_OWNERSHIP) {
m_optionsWidgetCleanup.add(widget);
}
if (m_ptrOptionsWidget == widget) {
return;
}
if (m_ptrOptionsWidget) {
disconnect(
m_ptrOptionsWidget, SIGNAL(reloadRequested()),
this, SLOT(reloadRequested())
);
disconnect(
m_ptrOptionsWidget, SIGNAL(invalidateThumbnail(PageId const&)),
this, SLOT(invalidateThumbnail(PageId const&))
);
disconnect(
m_ptrOptionsWidget, SIGNAL(invalidateThumbnail(PageInfo const&)),
this, SLOT(invalidateThumbnail(PageInfo const&))
);
disconnect(
m_ptrOptionsWidget, SIGNAL(invalidateAllThumbnails()),
this, SLOT(invalidateAllThumbnails())
);
disconnect(
m_ptrOptionsWidget, SIGNAL(goToPage(PageId const&)),
this, SLOT(goToPage(PageId const&))
);
}
m_pOptionsFrameLayout->addWidget(widget);
m_ptrOptionsWidget = widget;
// We use an asynchronous connection here, because the slot
// will probably delete the options panel, which could be
// responsible for the emission of this signal. Qt doesn't
// like when we delete an object while it's emitting a signal.
connect(
widget, SIGNAL(reloadRequested()),
this, SLOT(reloadRequested()), Qt::QueuedConnection
);
connect(
widget, SIGNAL(invalidateThumbnail(PageId const&)),
this, SLOT(invalidateThumbnail(PageId const&))
);
connect(
widget, SIGNAL(invalidateThumbnail(PageInfo const&)),
this, SLOT(invalidateThumbnail(PageInfo const&))
);
connect(
widget, SIGNAL(invalidateAllThumbnails()),
this, SLOT(invalidateAllThumbnails())
);
connect(
widget, SIGNAL(goToPage(PageId const&)),
this, SLOT(goToPage(PageId const&))
);
}
void
MainWindow::setImageWidget(
QWidget* widget, Ownership const ownership,
DebugImages* debug_images)
{
if (isBatchProcessingInProgress() && widget != m_ptrBatchProcessingWidget.get()) {
if (ownership == TRANSFER_OWNERSHIP) {
delete widget;
}
return;
}
removeImageWidget();
if (ownership == TRANSFER_OWNERSHIP) {
m_imageWidgetCleanup.add(widget);
}
if (!debug_images || debug_images->empty()) {
m_pImageFrameLayout->addWidget(widget);
} else {
m_ptrTabbedDebugImages->addTab(widget, "Main");
AutoRemovingFile file;
QString label;
while (!(file = debug_images->retrieveNext(&label)).get().isNull()) {
QWidget* widget = new DebugImageView(file);
m_imageWidgetCleanup.add(widget);
m_ptrTabbedDebugImages->addTab(widget, label);
}
m_pImageFrameLayout->addWidget(m_ptrTabbedDebugImages.get());
}
}
void
MainWindow::removeImageWidget()
{
removeWidgetsFromLayout(m_pImageFrameLayout);
m_ptrTabbedDebugImages->clear();
// Delete the old widget we were owning, if any.
m_imageWidgetCleanup.clear();
}
void
MainWindow::invalidateThumbnail(PageId const& page_id)
{
m_ptrThumbSequence->invalidateThumbnail(page_id);
}
void
MainWindow::invalidateThumbnail(PageInfo const& page_info)
{
m_ptrThumbSequence->invalidateThumbnail(page_info);
}
void
MainWindow::invalidateAllThumbnails()
{
m_ptrThumbSequence->invalidateAllThumbnails();
}
IntrusivePtr<AbstractCommand0<void> >
MainWindow::relinkingDialogRequester()
{
class Requester : public AbstractCommand0<void>
{
public:
Requester(MainWindow* wnd) : m_ptrWnd(wnd) {}
virtual void operator()() {
if (MainWindow* wnd = m_ptrWnd) {
wnd->showRelinkingDialog();
}
}
private:
QPointer<MainWindow> m_ptrWnd;
};
return IntrusivePtr<AbstractCommand0<void> >(new Requester(this));
}
void
MainWindow::showRelinkingDialog()
{
if (!isProjectLoaded()) {
return;
}
RelinkingDialog* dialog = new RelinkingDialog(m_projectFile, this);
dialog->setAttribute(Qt::WA_DeleteOnClose);
dialog->setWindowModality(Qt::WindowModal);
m_ptrPages->listRelinkablePaths(dialog->pathCollector());
dialog->pathCollector()(RelinkablePath(m_outFileNameGen.outDir(), RelinkablePath::Dir));
new QtSignalForwarder(
dialog, SIGNAL(accepted()),
boost::lambda::bind(&MainWindow::performRelinking, this, dialog->relinker())
);
dialog->show();
}
void
MainWindow::performRelinking(IntrusivePtr<AbstractRelinker> const& relinker)
{
assert(relinker.get());
if (!isProjectLoaded()) {
return;
}
m_ptrPages->performRelinking(*relinker);
m_ptrStages->performRelinking(*relinker);
m_outFileNameGen.performRelinking(*relinker);
Utils::maybeCreateCacheDir(m_outFileNameGen.outDir());
m_ptrThumbnailCache->setThumbDir(Utils::outputDirToThumbDir(m_outFileNameGen.outDir()));
resetThumbSequence(currentPageOrderProvider());
m_selectedPage.set(m_ptrThumbSequence->selectionLeader().id(), getCurrentView());
reloadRequested();
}
void
MainWindow::goFirstPage()
{
if (isBatchProcessingInProgress() || !isProjectLoaded()) {
return;
}
PageInfo const first_page(m_ptrThumbSequence->firstPage());
if (!first_page.isNull()) {
goToPage(first_page.id());
}
}
void
MainWindow::goLastPage()
{
if (isBatchProcessingInProgress() || !isProjectLoaded()) {
return;
}
PageInfo const last_page(m_ptrThumbSequence->lastPage());
if (!last_page.isNull()) {
goToPage(last_page.id());
}
}
void
MainWindow::goNextPage()
{
if (isBatchProcessingInProgress() || !isProjectLoaded()) {
return;
}
PageInfo const next_page(
m_ptrThumbSequence->nextPage(m_ptrThumbSequence->selectionLeader().id())
);
if (!next_page.isNull()) {
goToPage(next_page.id());
}
}
void
MainWindow::goPrevPage()
{
if (isBatchProcessingInProgress() || !isProjectLoaded()) {
return;
}
PageInfo const prev_page(
m_ptrThumbSequence->prevPage(m_ptrThumbSequence->selectionLeader().id())
);
if (!prev_page.isNull()) {
goToPage(prev_page.id());
}
}
void
MainWindow::goToPage(PageId const& page_id)
{
focusButton->setChecked(true);
m_ptrThumbSequence->setSelection(page_id);
// If the page was already selected, it will be reloaded.
// That's by design.
updateMainArea();
}
void
MainWindow::currentPageChanged(
PageInfo const& page_info, QRectF const& thumb_rect,
ThumbnailSequence::SelectionFlags const flags)
{
m_selectedPage.set(page_info.id(), getCurrentView());
if ((flags & ThumbnailSequence::SELECTED_BY_USER) || focusButton->isChecked()) {
if (!(flags & ThumbnailSequence::AVOID_SCROLLING_TO)) {
thumbView->ensureVisible(thumb_rect, 0, 0);
}
}
if (flags & ThumbnailSequence::SELECTED_BY_USER) {
if (isBatchProcessingInProgress()) {
stopBatchProcessing();
} else if (!(flags & ThumbnailSequence::REDUNDANT_SELECTION)) {
// Start loading / processing the newly selected page.
updateMainArea();
}
}
}
void
MainWindow::pageContextMenuRequested(
PageInfo const& page_info_, QPoint const& screen_pos, bool selected)
{
if (isBatchProcessingInProgress()) {
return;
}
// Make a copy to prevent it from being invalidated.
PageInfo const page_info(page_info_);
if (!selected) {
goToPage(page_info.id());
}
QMenu menu;