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Thumbnails - first part

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This commit is contained in:
Jakub Melka
2019-12-07 17:59:03 +01:00
parent 99ba0a0c09
commit 1be4aea954
17 changed files with 792 additions and 9 deletions
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74
PdfForQtViewer/pdfsidebarwidget.cpp
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@ -18,6 +18,8 @@
#include "pdfsidebarwidget.h"
#include "ui_pdfsidebarwidget.h"
#include "pdfwidgetutils.h"
#include "pdfdocument.h"
#include "pdfitemmodels.h"
#include "pdfexception.h"
@ -36,12 +38,14 @@ constexpr const char* STYLESHEET =
"QPushButton { background-color: #404040; color: #FFFFFF; }"
"QPushButton:disabled { background-color: #404040; color: #000000; }"
"QPushButton:checked { background-color: #808080; color: #FFFFFF; }"
"QWidget#thumbnailsToolbarWidget { background-color: #F0F0F0 }"
"QWidget#PDFSidebarWidget { background-color: #404040; background: green;}";
PDFSidebarWidget::PDFSidebarWidget(QWidget* parent) :
PDFSidebarWidget::PDFSidebarWidget(const pdf::PDFDrawWidgetProxy* proxy, QWidget* parent) :
QWidget(parent),
ui(new Ui::PDFSidebarWidget),
m_outlineTreeModel(nullptr),
m_thumbnailsModel(nullptr),
m_optionalContentTreeModel(nullptr),
m_document(nullptr),
m_optionalContentActivity(nullptr),
@ -58,6 +62,15 @@ PDFSidebarWidget::PDFSidebarWidget(QWidget* parent) :
ui->bookmarksTreeView->header()->hide();
connect(ui->bookmarksTreeView, &QTreeView::clicked, this, &PDFSidebarWidget::onOutlineItemClicked);
// Thumbnails
m_thumbnailsModel = new pdf::PDFThumbnailsItemModel(proxy, this);
int thumbnailsMargin = ui->thumbnailsListView->style()->pixelMetric(QStyle::PM_FocusFrameHMargin, nullptr, ui->thumbnailsListView) + 1;
int thumbnailsFontSize = QFontMetrics(ui->thumbnailsListView->font()).lineSpacing();
m_thumbnailsModel->setExtraItemSizeHint(2 * thumbnailsMargin, thumbnailsMargin + thumbnailsFontSize);
ui->thumbnailsListView->setModel(m_thumbnailsModel);
connect(ui->thumbnailsSizeSlider, &QSlider::valueChanged, this, &PDFSidebarWidget::onThumbnailsSizeChanged);
onThumbnailsSizeChanged(ui->thumbnailsSizeSlider->value());
// Optional content
ui->optionalContentTreeView->header()->hide();
m_optionalContentTreeModel = new pdf::PDFOptionalContentTreeItemModel(this);
@ -78,6 +91,14 @@ PDFSidebarWidget::PDFSidebarWidget(QWidget* parent) :
m_pageInfo[Thumbnails] = { ui->thumbnailsButton, ui->thumbnailsPage };
m_pageInfo[Attachments] = { ui->attachmentsButton, ui->attachmentsPage };
for (const auto& pageInfo : m_pageInfo)
{
if (pageInfo.second.button)
{
connect(pageInfo.second.button, &QPushButton::clicked, this, &PDFSidebarWidget::onPageButtonClicked);
}
}
selectPage(Invalid);
updateButtons();
}
@ -95,6 +116,9 @@ void PDFSidebarWidget::setDocument(const pdf::PDFDocument* document, pdf::PDFOpt
// Update outline
m_outlineTreeModel->setDocument(document);
// Thumbnails
m_thumbnailsModel->setDocument(document);
// Update optional content
m_optionalContentTreeModel->setDocument(document);
m_optionalContentTreeModel->setActivity(m_optionalContentActivity);
@ -127,6 +151,30 @@ void PDFSidebarWidget::setDocument(const pdf::PDFDocument* document, pdf::PDFOpt
preferred = Attachments;
break;
case pdf::PageMode::Fullscreen:
{
pdf::PDFViewerPreferences::NonFullScreenPageMode nonFullscreenPageMode = m_document->getCatalog()->getViewerPreferences()->getNonFullScreenPageMode();
switch (nonFullscreenPageMode)
{
case pdf::PDFViewerPreferences::NonFullScreenPageMode::UseOutline:
preferred = Bookmarks;
break;
case pdf::PDFViewerPreferences::NonFullScreenPageMode::UseThumbnails:
preferred = Thumbnails;
break;
case pdf::PDFViewerPreferences::NonFullScreenPageMode::UseOptionalContent:
preferred = OptionalContent;
break;
default:
break;
}
break;
}
default:
break;
}
@ -161,7 +209,7 @@ bool PDFSidebarWidget::isEmpty(Page page) const
return m_outlineTreeModel->isEmpty();
case Thumbnails:
return true;
return m_thumbnailsModel->isEmpty();
case OptionalContent:
return m_optionalContentTreeModel->isEmpty();
@ -242,6 +290,21 @@ void PDFSidebarWidget::updateButtons()
}
}
void PDFSidebarWidget::onPageButtonClicked()
{
QObject* pushButton = sender();
for (const auto& pageInfo : m_pageInfo)
{
if (pageInfo.second.button == pushButton)
{
Q_ASSERT(!isEmpty(pageInfo.first));
selectPage(pageInfo.first);
break;
}
}
}
void PDFSidebarWidget::onOutlineItemClicked(const QModelIndex& index)
{
if (const pdf::PDFAction* action = m_outlineTreeModel->getAction(index))
@ -250,6 +313,13 @@ void PDFSidebarWidget::onOutlineItemClicked(const QModelIndex& index)
}
}
void PDFSidebarWidget::onThumbnailsSizeChanged(int size)
{
const int thumbnailsSize = PDFWidgetUtils::getPixelSize(this, size * 10.0);
Q_ASSERT(thumbnailsSize > 0);
m_thumbnailsModel->setThumbnailsSize(thumbnailsSize);
}
void PDFSidebarWidget::onAttachmentCustomContextMenuRequested(const QPoint& pos)
{
if (const pdf::PDFFileSpecification* fileSpecification = m_attachmentsTreeModel->getFileSpecification(ui->attachmentsTreeView->indexAt(pos)))