diff options
Diffstat (limited to 'src-qt5/desktop-utils/lumina-pdf/mainUI.cpp')
| -rw-r--r-- | src-qt5/desktop-utils/lumina-pdf/mainUI.cpp | 827 |
1 files changed, 0 insertions, 827 deletions
diff --git a/src-qt5/desktop-utils/lumina-pdf/mainUI.cpp b/src-qt5/desktop-utils/lumina-pdf/mainUI.cpp deleted file mode 100644 index d2dc5231..00000000 --- a/src-qt5/desktop-utils/lumina-pdf/mainUI.cpp +++ /dev/null @@ -1,827 +0,0 @@ -//=========================================== -// Lumina Desktop source code -// Copyright (c) 2017-2018, Ken Moore -// Available under the 3-clause BSD license -// See the LICENSE file for full details -//=========================================== -#include "mainUI.h" -#include "ui_mainUI.h" - -#include <QApplication> -#include <QDebug> -#include <QFileDialog> -#include <QImage> -#include <QInputDialog> -#include <QPainter> -#include <QScreen> -#include <QSize> -#include <QSplitter> -#include <QtConcurrent> - -#include "PrintWidget.h" -#include <LuminaXDG.h> - -MainUI::MainUI() : QMainWindow(), ui(new Ui::MainUI()) { - ui->setupUi(this); - // this->setWindowTitle(tr("Lumina PDF Viewer")); - this->setWindowIcon(LXDG::findIcon("application-pdf", "unknown")); - this->setFocusPolicy(Qt::StrongFocus); - presentationLabel = 0; - CurrentPage = 1; - lastdir = QDir::homePath(); - BACKEND = new Renderer(); - - // Create the interface widgets - PROPDIALOG = new PropDialog(BACKEND); - BOOKMARKS = new BookmarkMenu(BACKEND, ui->splitter); - BOOKMARKS->setContextMenuPolicy(Qt::CustomContextMenu); - BOOKMARKS->setVisible(false); - WIDGET = new PrintWidget(BACKEND, ui->splitter); - WIDGET->setContextMenuPolicy(Qt::CustomContextMenu); - ui->splitter->setCollapsible(0, true); - ui->splitter->setCollapsible(1, false); - clockTimer = new QTimer(this); - clockTimer->setInterval(1000); // 1-second updates to clock - connect(clockTimer, SIGNAL(timeout()), this, SLOT(updateClock())); - label_clock = new QLabel(this); - label_clock->setAlignment(Qt::AlignCenter); - label_clock->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred); - label_clock->setStyleSheet( - "QLabel{color: palette(highlight-text); background-color: " - "palette(highlight); border-radius: 5px; }"); - label_page = new QLabel(this); - label_page->setAlignment(Qt::AlignRight | Qt::AlignVCenter); - label_page->setSizePolicy(QSizePolicy::MinimumExpanding, - QSizePolicy::Preferred); - - contextMenu = new QMenu(this); - QObject::connect(contextMenu, SIGNAL(aboutToShow()), this, - SLOT(updateContextMenu())); - - QObject::connect(WIDGET, SIGNAL(customContextMenuRequested(const QPoint &)), - this, SLOT(showContextMenu(const QPoint &))); - QObject::connect(WIDGET, SIGNAL(currentPageChanged()), this, - SLOT(updatePageNumber())); - QObject::connect(BACKEND, SIGNAL(PageLoaded(int)), this, SLOT(slotPageLoaded(int))); - QObject::connect(BACKEND, SIGNAL(SetProgress(int)), this, - SLOT(slotSetProgress(int))); - QObject::connect(BACKEND, SIGNAL(reloadPages(int)), this, - SLOT(startLoadingPages(int))); - QObject::connect(BACKEND, SIGNAL(goToPosition(int, float, float)), WIDGET, - SLOT(goToPosition(int, float, float))); - QObject::connect(ui->splitter, &QSplitter::splitterMoved, this, [=]() { - double percent = qBound( - 0.0, (ui->splitter->sizes().first() / (double)this->width()) * 100.0, - 33.3); - ui->splitter->setSizes(QList<int>() - << this->width() * (percent / 100.0) - << this->width() * ((100.0 - percent) / 100.0)); - }); - - PrintDLG = new QPrintDialog(this); - QObject::connect(PrintDLG, SIGNAL(accepted(QPrinter *)), this, - SLOT(paintToPrinter(QPrinter *))); - // connect(ui->menuStart_Presentation, SIGNAL(triggered(QAction*)), this, - // SLOT(slotStartPresentation(QAction*)) ); - - // Create the other interface widgets - progress = new QProgressBar(this); - progress->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred); - progress->setFormat("%v/%m (%p%)"); // [current]/[total] - progAct = ui->toolBar->addWidget(progress); - progAct->setVisible(false); - clockAct = ui->toolBar->addWidget(label_clock); - clockAct->setVisible(false); - pageAct = ui->toolBar->addWidget(label_page); - pageAct->setVisible(false); - - // Put the various actions into logical groups - QActionGroup *tmp = new QActionGroup(this); - tmp->setExclusive(true); - tmp->addAction(ui->actionFit_Width); - tmp->addAction(ui->actionFit_Page); - ui->actionFit_Page->setChecked(true); - - tmp = new QActionGroup(this); - tmp->setExclusive(true); - tmp->addAction(ui->actionSingle_Page); - tmp->addAction(ui->actionDual_Pages); - //tmp->addAction(ui->actionAll_Pages); - ui->actionSingle_Page->setChecked(true); - - //Disable the all pages view - does not work with partial cache of pages - ui->actionAll_Pages->setVisible(false); - ui->actionAll_Pages->setEnabled(false); - - // Connect up the buttons - QObject::connect(ui->actionClose, SIGNAL(triggered()), this, SLOT(close())); - QObject::connect(ui->actionPrint, SIGNAL(triggered()), PrintDLG, - SLOT(open())); - QObject::connect(ui->actionFit_Width, SIGNAL(triggered()), WIDGET, - SLOT(fitToWidth())); - QObject::connect(ui->actionFit_Page, SIGNAL(triggered()), WIDGET, - SLOT(fitView())); - QObject::connect(ui->actionOpen_PDF, SIGNAL(triggered()), this, - SLOT(OpenNewFile())); - QObject::connect(ui->actionSingle_Page, SIGNAL(triggered()), WIDGET, - SLOT(setSinglePageViewMode())); - QObject::connect(ui->actionDual_Pages, SIGNAL(triggered()), WIDGET, - SLOT(setFacingPagesViewMode())); - QObject::connect(ui->actionAll_Pages, SIGNAL(triggered()), WIDGET, - SLOT(setAllPagesViewMode())); - // connect(ui->actionScroll_Mode, &QAction::triggered, this, [&] { - // this->setScroll(true); }); connect(ui->actionSelect_Mode, - // &QAction::triggered, this, [&] { this->setScroll(false); }); - QObject::connect(ui->actionZoom_In, &QAction::triggered, WIDGET, - [&] { WIDGET->zoomIn(1.2); }); - QObject::connect(ui->actionZoom_Out, &QAction::triggered, WIDGET, - [&] { WIDGET->zoomOut(1.2); }); - QObject::connect(ui->actionRotate_Counterclockwise, &QAction::triggered, this, - [&] { - if (results.size() != 0) { - foreach (TextData *x, results) { x->highlighted(false); } - } - BACKEND->setDegrees(-90); - }); - QObject::connect(ui->actionRotate_Clockwise, &QAction::triggered, this, [&] { - if (results.size() != 0) { - foreach (TextData *x, results) { x->highlighted(false); } - } - BACKEND->setDegrees(90); - }); - QObject::connect(ui->actionZoom_In_2, &QAction::triggered, WIDGET, - [&] { WIDGET->zoomIn(1.2); }); - QObject::connect(ui->actionZoom_Out_2, &QAction::triggered, WIDGET, - [&] { WIDGET->zoomOut(1.2); }); - QObject::connect(ui->actionFirst_Page, SIGNAL(triggered()), this, - SLOT(firstPage())); - QObject::connect(ui->actionPrevious_Page, SIGNAL(triggered()), this, - SLOT(prevPage())); - QObject::connect(ui->actionNext_Page, SIGNAL(triggered()), this, - SLOT(nextPage())); - QObject::connect(ui->actionLast_Page, SIGNAL(triggered()), this, - SLOT(lastPage())); - QObject::connect(ui->actionProperties, &QAction::triggered, WIDGET, - [&] { PROPDIALOG->show(); }); - QObject::connect(BACKEND, &Renderer::OrigSize, this, - [&](QSizeF _pageSize) { pageSize = _pageSize; }); - QObject::connect(ui->actionFind, &QAction::triggered, this, [&] { - if (ui->findGroup->isVisible()) { - ui->findGroup->setVisible(false); - this->setFocus(); - } else { - ui->findGroup->setVisible(true); - ui->findGroup->setFocus(); - } - }); - QObject::connect(ui->actionFind_Next, &QAction::triggered, this, - [&] { find(ui->textEdit->text(), true); }); - QObject::connect(ui->actionFind_Previous, &QAction::triggered, this, - [&] { find(ui->textEdit->text(), false); }); - QObject::connect(ui->findNextB, &QPushButton::clicked, this, - [&] { find(ui->textEdit->text(), true); }); - QObject::connect(ui->findPrevB, &QPushButton::clicked, this, - [&] { find(ui->textEdit->text(), false); }); - QObject::connect(ui->matchCase, &QPushButton::clicked, this, - [&](bool value) { this->matchCase = value; }); - QObject::connect(ui->closeFind, &QPushButton::clicked, this, [&] { - ui->findGroup->setVisible(false); - this->setFocus(); - }); - QObject::connect(ui->actionClearHighlights, &QAction::triggered, WIDGET, - [&] { WIDGET->updatePreview(); }); - QObject::connect(ui->actionBookmarks, &QAction::triggered, this, [=]() { - ui->splitter->setSizes(QList<int>() - << this->width() / 4 << 3 * this->width() / 4); - }); - - // int curP = WIDGET->currentPage()-1; //currentPage reports pages starting at - // 1 int lastP = numPages-1; - ui->actionFirst_Page->setText(tr("First Page")); - ui->actionPrevious_Page->setText(tr("Previous Page")); - ui->actionNext_Page->setText(tr("Next Page")); - ui->actionLast_Page->setText(tr("Last Page")); - /*ui->actionFirst_Page->setEnabled(curP!=0); - ui->actionPrevious_Page->setEnabled(curP>0); - ui->actionNext_Page->setEnabled(curP<lastP); - ui->actionLast_Page->setEnabled(curP!=lastP);*/ - - ui->actionStart_Here->setText(tr("Start Presentation (current slide)")); - QObject::connect(ui->actionStart_Here, SIGNAL(triggered()), this, - SLOT(startPresentationHere())); - ui->actionStart_Begin->setText(tr("Start Presentation (at beginning)")); - QObject::connect(ui->actionStart_Begin, SIGNAL(triggered()), this, - SLOT(startPresentationBeginning())); - ui->actionStop_Presentation->setText(tr("Stop Presentation")); - QObject::connect(ui->actionStop_Presentation, SIGNAL(triggered()), this, - SLOT(closePresentation())); - - // Setup all the icons - ui->actionPrint->setIcon(LXDG::findIcon("document-print", "")); - ui->actionClose->setIcon(LXDG::findIcon("window-close", "")); - ui->actionFit_Width->setIcon(LXDG::findIcon("transform-scale", "")); - ui->actionFit_Page->setIcon(LXDG::findIcon("zoom-fit-best", "")); - ui->actionOpen_PDF->setIcon(LXDG::findIcon("document-open", "")); - ui->actionSingle_Page->setIcon( LXDG::findIcon("view-split-top-bottom", "format-view-agenda")); - ui->actionDual_Pages->setIcon( LXDG::findIcon("view-split-left-right", "format-view-grid-small")); - ui->actionAll_Pages->setIcon( LXDG::findIcon("view-grid", "format-view-grid-large")); - ui->actionScroll_Mode->setIcon(LXDG::findIcon("cursor-pointer", "")); - ui->actionSelect_Mode->setIcon(LXDG::findIcon("cursor-text", "")); - ui->actionZoom_In->setIcon(LXDG::findIcon("zoom-in", "")); - ui->actionZoom_Out->setIcon(LXDG::findIcon("zoom-out", "")); - ui->actionZoom_In_2->setIcon(LXDG::findIcon("zoom-in", "")); - ui->actionZoom_Out_2->setIcon(LXDG::findIcon("zoom-out", "")); - ui->actionRotate_Counterclockwise->setIcon( LXDG::findIcon("object-rotate-left", "")); - ui->actionRotate_Clockwise->setIcon( LXDG::findIcon("object-rotate-right", "")); - ui->actionFirst_Page->setIcon(LXDG::findIcon("go-first", "")); - ui->actionPrevious_Page->setIcon(LXDG::findIcon("go-previous", "")); - ui->actionNext_Page->setIcon(LXDG::findIcon("go-next", "")); - ui->actionLast_Page->setIcon(LXDG::findIcon("go-last", "")); - ui->actionStart_Here->setIcon( LXDG::findIcon("video-display", "media-playback-start-circled")); - ui->actionStart_Begin->setIcon( LXDG::findIcon("view-presentation", "presentation-play")); - ui->actionStop_Presentation->setIcon( LXDG::findIcon("media-playback-stop", "media-playback-stop-circled")); - ui->actionBookmarks->setIcon(LXDG::findIcon("bookmark-new", "")); - ui->actionFind->setIcon(LXDG::findIcon("edit-find", "")); - ui->actionFind_Next->setIcon( LXDG::findIcon("go-down-search", "edit-find-next")); - ui->actionFind_Previous->setIcon( LXDG::findIcon("go-up-search", "edit-find-prev")); - ui->actionProperties->setIcon(LXDG::findIcon("dialog-information", "")); - ui->actionSettings->setIcon(LXDG::findIcon("document-properties", "")); - ui->findNextB->setIcon(LXDG::findIcon("go-down-search")); - ui->findPrevB->setIcon(LXDG::findIcon("go-up-search")); - ui->actionClearHighlights->setIcon(LXDG::findIcon("format-text-clear", "")); - ui->findNextB->setIcon(LXDG::findIcon("go-down-search")); - ui->matchCase->setIcon(LXDG::findIcon("format-text-italic")); - ui->closeFind->setIcon(LXDG::findIcon("dialog-close")); - - // Now set the default state of the menu's and actions - ui->actionStop_Presentation->setEnabled(false); - ui->actionStart_Here->setEnabled(false); - ui->actionStart_Begin->setEnabled(false); - - ui->findGroup->setVisible(false); - - // TESTING features/functionality - bool TESTING = BACKEND->supportsExtraFeatures(); - ui->actionBookmarks->setEnabled(TESTING); - ui->actionBookmarks->setVisible(TESTING); - ui->actionProperties->setEnabled(TESTING); - ui->actionProperties->setVisible(TESTING); - ui->actionClearHighlights->setEnabled(TESTING); - ui->actionClearHighlights->setVisible(TESTING); - - ui->actionSettings->setEnabled(false); - ui->actionSettings->setVisible(false); - ui->actionScroll_Mode->setEnabled(false); - ui->actionScroll_Mode->setVisible(false); - ui->actionSelect_Mode->setEnabled(false); - ui->actionSelect_Mode->setVisible(false); - //qDebug() << "Done with MainUI Init"; -} - -MainUI::~MainUI() { - if (BOOKMARKS != 0) { - BOOKMARKS->deleteLater(); - } - if (PROPDIALOG != 0) { - PROPDIALOG->deleteLater(); - } - delete BACKEND; -} - -void MainUI::loadFile(QString path) { - if (!QFile::exists(path) || path.isEmpty()) { - return; - } - QString password; - bool ok = true; - - while (ok && !BACKEND->loadDocument(path, password) && - BACKEND->needPassword()) { - password = QInputDialog::getText(this, tr("Unlock PDF"), tr("Password:"), - QLineEdit::Password, "", &ok); - if (!ok) { - break; - } // cancelled - } - // Clear the current display - - WIDGET->setVisible(false); - BOOKMARKS->setVisible(false); - // Load the new document info - this->setWindowTitle(BACKEND->title()); - if (BACKEND->needPassword()) { - return; - } // cancelled; - qDebug() << " - Document Setup : start loading pages now"; - - // Populate or repopulate the Bookmarks menu and Properties Dialog - QTimer::singleShot(10, BOOKMARKS, SLOT(loadBookmarks())); - QTimer::singleShot(10, PROPDIALOG, SLOT(setInformation())); - QTimer::singleShot(50, [&]() { startLoadingPages(0); }); -} - -QScreen *MainUI::getScreen(bool current, bool &cancelled) { - // Note: the "cancelled" boolian is actually an output - not an input - QList<QScreen *> screens = QApplication::screens(); - cancelled = false; - if (screens.length() == 1) { - return screens[0]; - } // only one option - // Multiple screens available - figure it out - if (current) { - // Just return the screen the window is currently on - for (int i = 0; i < screens.length(); i++) { - if (screens[i]->geometry().contains(this->mapToGlobal(this->pos()))) { - return screens[i]; - } - } - // If it gets this far, there was an error and it should just return the - // primary screen - return QApplication::primaryScreen(); - } else { - // Ask the user to select a screen (for presentations, etc..) - QStringList names; - for (int i = 0; i < screens.length(); i++) { - QString screensize = QString::number(screens[i]->size().width()) + "x" + - QString::number(screens[i]->size().height()); - names << QString(tr("%1 (%2)")).arg(screens[i]->name(), screensize); - } - bool ok = false; - QString sel = QInputDialog::getItem(this, tr("Select Screen"), - tr("Screen:"), names, 0, false, &ok); - cancelled = !ok; - if (!ok) { - return screens[0]; - } // cancelled - just return the first one - int index = names.indexOf(sel); - if (index < 0) { - return screens[0]; - } // error - should never happen though - return screens[index]; // return the selected screen - } -} - -void MainUI::startPresentation(bool atStart) { - if (BACKEND->hashSize() == 0) { - qDebug() << "MainUI::startPresentation() called while backend is empty!\n"; - return; - } // just in case - bool cancelled = false; - QScreen *screen = getScreen( - false, - cancelled); // let the user select which screen to use (if multiples) - if (cancelled) { - return; - } - int page = 1; - if (!atStart) { - page = WIDGET->currentPage(); - } - // PDPI = QSize(SCALEFACTOR*screen->physicalDotsPerInchX(), - // SCALEFACTOR*screen->physicalDotsPerInchY()); Now create the full-screen - // window on the selected screen - if (presentationLabel == 0) { - // Create the label and any special flags for it - presentationLabel = new PresentationLabel(); - presentationLabel->setStyleSheet("background-color: black;"); - presentationLabel->setAlignment(Qt::AlignCenter); - presentationLabel->setContextMenuPolicy(Qt::CustomContextMenu); - connect(presentationLabel, - SIGNAL(customContextMenuRequested(const QPoint &)), this, - SLOT(showContextMenu(const QPoint &))); - connect(presentationLabel, SIGNAL(nextSlide()), this, SLOT(nextPage())); - } - // Now put the label in the proper location - presentationLabel->setGeometry(screen->geometry()); - presentationLabel->showFullScreen(); - - ui->actionStop_Presentation->setEnabled(true); - ui->actionStart_Here->setEnabled(false); - ui->actionStart_Begin->setEnabled(false); - updateClock(); - updatePageNumber(); - clockAct->setVisible(true); - clockTimer->start(); - QApplication::processEvents(); - // Now start at the proper page - ShowPage(page); - this->grabKeyboard(); // Grab any keyboard events - even from the presentation - // window -} - -void MainUI::ShowPage(int page) { - // Check for valid document/page - //qDebug() << "Load Page:" << page << "/" << BACKEND->numPages() << "Index:" << page; - //page = std::max(1, std::min(page, BACKEND->numPages())); - if (page == BACKEND->numPages()+2 ) { //allow one blank/black page after the end of the last slide - endPresentation(); - return; // invalid - no document loaded or invalid page specified - } - WIDGET->setCurrentPage(page); // page numbers start at 1 for this widget - // Stop here if no presentation currently running - - if (presentationLabel == 0 || !presentationLabel->isVisible()) { - WIDGET->updatePreview(); - return; - } - //qDebug() << "Show Page:" << page << "/" << BACKEND->numPages(); - CurrentPage = page; - QImage PAGEIMAGE; - if (page < BACKEND->numPages() + 1) { - PAGEIMAGE = BACKEND->imageHash(page); - } - - // Now scale the image according to the user-designations and show it - if (!PAGEIMAGE.isNull()) { - QPixmap pix; - pix.convertFromImage(PAGEIMAGE.scaled(presentationLabel->size(), - Qt::KeepAspectRatio, - Qt::SmoothTransformation)); - presentationLabel->setPixmap(pix); - presentationLabel->show(); // always make sure it was not hidden - } else { - // Blank page (useful so there is one blank page after the last slide before - // stopping the presentation) - presentationLabel->setPixmap(QPixmap()); - if(CurrentPage>BACKEND->numPages() || CurrentPage <1){ - presentationLabel->setText(tr("Presentation Finished: Hit \"ESC\" key to close presentation view")); - }else{ - presentationLabel->setText(tr("Loading Page....")); - } - presentationLabel->setAlignment(Qt::AlignBottom | Qt::AlignHCenter); - } -} - -void MainUI::endPresentation() { - if (presentationLabel == 0 || !presentationLabel->isVisible()) { - return; - } // not in presentation mode - presentationLabel->hide(); // just hide this (no need to re-create the label - // for future presentations) - ui->actionStop_Presentation->setEnabled(false); - ui->actionStart_Here->setEnabled(true); - ui->actionStart_Begin->setEnabled(true); - clockTimer->stop(); - clockAct->setVisible(false); - this->releaseKeyboard(); - if(WIDGET->currentPage() >= BACKEND->numPages()){ - lastPage(); - } - updatePageNumber(); -} - -void MainUI::startLoadingPages(int degrees) { - //qDebug() <<"Start Loading Pages"; - // if(BACKEND->hashSize() != 0) { return; } //currently loaded[ing] - loadingQueue.clear(); - BACKEND->clearHash(); - WIDGET->setVisible(false); - BOOKMARKS->setVisible(false); - progress->setRange(0, BACKEND->numPages()); - progress->setValue(0); - progAct->setVisible(true); - pageAct->setVisible(false); - // PERFORMANCE NOTES: - // Using Poppler to scale the image (adjust dpi value) helps a bit but you - // take a larger CPU loading hit (and still quite a lot of pixelization) Using - // Qt to scale the image (adjust page value) smooths out the image quite a bit - // without a lot of performance loss (but cannot scale up without - // pixelization) The best approach seams to be to increase the DPI a bit, but - // match that with the same scaling on the page size (smoothing) - - //QSize DPI(250, 250); // print-quality (some printers even go to 600 DPI nowdays) - - - int curpage = WIDGET->currentPage(); - if(curpage<0){ curpage = 1; } - else if(curpage>=BACKEND->numPages()){ curpage=BACKEND->numPages(); } - WIDGET->setCurrentPage(curpage); - - /*qDebug() << "Screen Resolutions:"; - QList<QScreen*> screens = QApplication::screens(); - for(int i=0; i<screens.length(); i++){ - qDebug() << screens[i]->name() << screens[i]->logicalDotsPerInchX() << - screens[i]->logicalDotsPerInchY(); - }*/ - /*int n = BACKEND->numPages() + 1; - for (int i = 1; i < n; i++) { - // qDebug() << " - Kickoff page load:" << i; - if (BACKEND->loadMultiThread()) { - QtConcurrent::run(BACKEND, &Renderer::renderPage, i, DPI, degrees); - } else { - BACKEND->renderPage(i, DPI, degrees); - if (i % 50 == 0) { - QCoreApplication::processEvents(); - } - } - }*/ - //qDebug() << "Finish page loading kickoff"; -} - -void MainUI::slotSetProgress(int finished) { progress->setValue(finished); } - -void MainUI::slotPageLoaded(int page) { - int curpage = WIDGET->currentPage(); - if(curpage == page || (curpage <0 && page==1) ){ - //current page loaded - - //qDebug() << "slotPageLoaded"; - /*loadingQueue.push_back(page); - int finished = loadingQueue.size();*/ - //qDebug() << "Page Loaded:" << page; - //if (finished == BACKEND->numPages()) { - progAct->setVisible(false); - WIDGET->setVisible(true); - BOOKMARKS->setVisible(true); - if(BACKEND->getBookmarks().isEmpty()){ - ui->splitter->setSizes(QList<int>() << 0 << this->width()); - } - ui->actionStop_Presentation->setEnabled(false); - ui->actionStart_Here->setEnabled(true); - ui->actionStart_Begin->setEnabled(true); - pageAct->setVisible(true); - PROPDIALOG->setSize(pageSize); - //qDebug() << " - Document Setup: All pages loaded"; - ShowPage(page); - } - // QTimer::singleShot(10, WIDGET, - // SLOT(updatePreview())); // start loading the file preview - WIDGET->updatePreview(); -} - -void MainUI::paintToPrinter(QPrinter *PRINTER) { - //qDebug() << "paintToPrinter()"; - if (BACKEND->hashSize() != BACKEND->numPages()) { - return; - } - // qDebug() << "paintToPrinter"; - int pages = BACKEND->numPages(); - int firstpage = 0; - int copies = PRINTER->copyCount(); - bool collate = PRINTER->collateCopies(); - bool reverse = (PRINTER->pageOrder() == QPrinter::LastPageFirst); - // qDebug() << "PRINTER DPI:" << PRINTER->resolution() << - // PRINTER->supportedResolutions(); - if (PRINTER->resolution() < 300) { - // Try to get 300 DPI resolution at least - PRINTER->setResolution(300); - qDebug() << "Trying to change print resolution to 300 minimum"; - qDebug() << " -- Resolutions listed as supported:" - << PRINTER->supportedResolutions(); - } - // bool duplex = (PRINTER->duplex()!=QPrinter::DuplexNone); - // Determine the first page that needs to be printed, and the range - if ((PRINTER->fromPage() != PRINTER->toPage() || PRINTER->fromPage() != 0) && - PRINTER->printRange() == QPrinter::PageRange) { - firstpage = PRINTER->fromPage() - 1; - pages = PRINTER->toPage(); - } - qDebug() << "Start Printing PDF: Pages" << PRINTER->fromPage() << " to " - << PRINTER->toPage() << " Copies:" << copies - << " collate:" << collate << " Reverse Order:" << reverse; - QList<int> pageCount; - // Assemble the page order/count based on printer settings - for (int i = firstpage; i < pages; i++) { - // Make sure even/odd pages are not selected as desired - // Qt 5.7.1 does not seem to have even/odd page selections - 8/11/2017 - pageCount << i; // add this page to the list - // QT 5.9+ : Do not need to manually stack "copies". Already handled - // internally for(int c=1; c<copies && !collate; c++){ pageCount << i; } - // //add any copies of this page as needed - } - // qDebug() << "Got Page Range:" << pageCount; - // QT 5.9+ : Do not need to manually reverse the pages (already handled - // internally) - if (reverse) { - // Need to reverse the order of the list - QList<int> tmp = pageCount; - pageCount.clear(); - for (int i = tmp.length() - 1; i >= 0; i--) { - pageCount << tmp[i]; - } - // qDebug() << " - reversed:" << pageCount; - } - // QT 5.9+ : Do not need to manually stack "copies". Already handled - // internally; - /*if(collate && copies>0){ - QList<int> orig = pageCount; //original array of pages - for(int c=1; c<copies; c++){ - pageCount << orig; //add a new copy of the entire page range - } - }*/ - // qDebug() << "Final Page Range:" << pageCount; - // Generate the sizing information for the printer - QSize sz(PRINTER->pageRect().width(), PRINTER->pageRect().height()); - bool landscape = PRINTER->orientation() == QPrinter::Landscape; - if (landscape) { - sz = QSize(sz.height(), sz.width()); - } // flip the size dimensions as needed - // Now send out the pages in the right order/format - QPainter painter(PRINTER); - // Ensure all the antialiasing/smoothing options are turned on - painter.setRenderHint(QPainter::Antialiasing); - painter.setRenderHint(QPainter::TextAntialiasing); - painter.setRenderHint(QPainter::SmoothPixmapTransform); - - QTransform transF; - transF.rotate(90); - // Show the progress bar - progAct->setVisible(true); - progress->setRange(0, pageCount.length() - 1); - for (int i = 0; i < pageCount.length(); i++) { - if (i != 0) { - PRINTER->newPage(); - } - // qDebug() << "Printing Page:" << pageCount[i]; - progress->setValue(i); - QApplication::processEvents(); - QImage img = BACKEND->imageHash(pageCount[i]) - .scaled(sz, Qt::KeepAspectRatio, Qt::SmoothTransformation); - // Now draw the image - painter.drawImage(0, 0, img); - // Also paint the annotations at their locations - for (int k = 0; k < BACKEND->annotSize(i); k++) { - Annotation *annot = BACKEND->annotList(i, k); - if (annot->print()) { - if (annot->getType() == 14) { - painter.setPen(QPen(annot->getColor())); - foreach (QVector<QPointF> pointList, annot->getInkList()) - painter.drawLines(pointList); - } else { - painter.drawImage(annot->getLoc(), annot->renderImage()); - } - } - } - } - progAct->setVisible(false); -} - -void MainUI::OpenNewFile() { - // Prompt for a file - QString path = QFileDialog::getOpenFileName(this, tr("Open PDF"), lastdir, - tr("PDF Documents (*.pdf)")); - // Now Open it - if (!path.isEmpty()) { - loadFile(path); - } -} - -void MainUI::updateClock() { - label_clock->setText("<b>"+ - QDateTime::currentDateTime().toString( Qt::DefaultLocaleShortDate)+"</b>"); -} - -void MainUI::updatePageNumber() { - // qDebug() << "UpdatePageNumber"; - QString text; - if (presentationLabel == 0 || !presentationLabel->isVisible()) { - text = tr("Page %1 of %2"); - } else { - text = "%1/%2"; - } - label_page->setText(text.arg(QString::number(WIDGET->currentPage()), - QString::number(BACKEND->numPages()))); -} - -/*void MainUI::setScroll(bool tog) { - if(tog) { - QApplication::setOverrideCursor(Qt::OpenHandCursor); - }else{ - QApplication::setOverrideCursor(Qt::IBeamCursor); - } -}*/ - -void MainUI::updateContextMenu() { - contextMenu->clear(); - contextMenu->addSection(QString(tr("Page %1 of %2")) - .arg(QString::number(WIDGET->currentPage()), - QString::number(BACKEND->numPages()))); - contextMenu->addAction(ui->actionPrevious_Page); - contextMenu->addAction(ui->actionNext_Page); - contextMenu->addSeparator(); - contextMenu->addAction(ui->actionFirst_Page); - contextMenu->addAction(ui->actionLast_Page); - contextMenu->addSeparator(); - if (presentationLabel == 0 || !presentationLabel->isVisible()) { - contextMenu->addAction(ui->actionStart_Begin); - contextMenu->addAction(ui->actionStart_Here); - } else { - contextMenu->addAction(ui->actionStop_Presentation); - } -} - -void MainUI::keyPressEvent(QKeyEvent *event) { - //qDebug() << "Got Key Press Event!"; - // See if this is one of the special hotkeys and act appropriately - bool inPresentation = (presentationLabel != 0); - switch (event->key()) { - case Qt::Key_Escape: - case Qt::Key_Backspace: { - if (inPresentation) - endPresentation(); - } break; - case Qt::Key_Right: - case Qt::Key_Space: - case Qt::Key_PageDown: { - nextPage(); - } break; - case Qt::Key_Left: - case Qt::Key_PageUp: { - prevPage(); - } break; - case Qt::Key_Home: { - firstPage(); - } break; - case Qt::Key_End: { - lastPage(); - } break; - case Qt::Key_F11: { - if (inPresentation) { - endPresentation(); - } else { - startPresentationHere(); - } - } break; - case Qt::Key_Up: { - // Scroll the widget up - } break; - case Qt::Key_Down: { - // Scroll the widget down - /*qDebug() << "Send Wheel Event"; - QWheelEvent wEvent( WIDGET->mapFromGlobal(QCursor::pos()), - QCursor::pos(),QPoint(0,0), QPoint(0,30), 0, Qt::Vertical, Qt::LeftButton, - Qt::NoModifier); QApplication::sendEvent(WIDGET, &wEvent);*/ - } break; - case Qt::Key_Enter: { - /*if(ui->findGroup->hasFocus()) { - find(ui->textEdit->text(), true); - }*/ - } break; - default: { QMainWindow::keyPressEvent(event); } break; - } - - return; -} - -void MainUI::wheelEvent(QWheelEvent *event) { - // Scroll the window according to the mouse wheel - //qDebug() << "Got Wheel Event!"; - QMainWindow::wheelEvent(event); -} - -void MainUI::find(QString text, bool forward) { - if (!text.isEmpty()) { - static bool previousMatchCase = matchCase; - // qDebug() << "Finding Text"; - // Detemine if it is the first time searching or a new search string - bool newSearch = results.empty() || !(results[0]->text() == text); - - // Also search again if match case is turned on/off - if (previousMatchCase != matchCase) { - newSearch = true; - previousMatchCase = matchCase; - } - - // Clear results and highlights if the user gives a new search string - if (newSearch) { - // clear out the old results - if (!results.empty()) { - foreach (TextData *td, results) - delete td; - results.clear(); - } - WIDGET->updatePreview(); - ui->resultsLabel->setText(""); - // Get the new search results - results = BACKEND->searchDocument(text, matchCase); - // qDebug() << "Total Results: " << results.size(); - currentHighlight = (forward) ? -1 : results.size(); - } - - // qDebug() << "Jumping to next result"; - if (!results.empty()) { - // Jump to the location of the next or previous textbox and highlight - if (forward) { - currentHighlight++; - if (currentHighlight >= results.size()) - currentHighlight %= results.size(); - } else { - currentHighlight--; - // Ensure currentHighlight will be between 0 and results.size() - 1 - if (currentHighlight < 0) - currentHighlight = results.size() - 1; - } - - ui->resultsLabel->setText(QString::number(currentHighlight + 1) + " of " + - QString::number(results.size()) + " results"); - - TextData *currentText = results[currentHighlight]; - - if (BACKEND->supportsExtraFeatures()) { - WIDGET->highlightText(currentText); - } else { - ui->resultsLabel->setText("No results found"); - } - } - } -} |