diff options
Diffstat (limited to 'src-qt5/desktop-utils/lumina-pdf/mainUI.cpp')
| -rw-r--r-- | src-qt5/desktop-utils/lumina-pdf/mainUI.cpp | 370 |
1 files changed, 321 insertions, 49 deletions
diff --git a/src-qt5/desktop-utils/lumina-pdf/mainUI.cpp b/src-qt5/desktop-utils/lumina-pdf/mainUI.cpp index 7a310e85..57afbfe1 100644 --- a/src-qt5/desktop-utils/lumina-pdf/mainUI.cpp +++ b/src-qt5/desktop-utils/lumina-pdf/mainUI.cpp @@ -16,21 +16,24 @@ #include <QApplication> #include <QScreen> #include <QTimer> +#include <iostream> #include <QtConcurrent> #include <LuminaXDG.h> +#include "PrintWidget.h" MainUI::MainUI() : QMainWindow(), ui(new Ui::MainUI()){ ui->setupUi(this); - presentationLabel = 0; this->setWindowTitle(tr("Lumina PDF Viewer")); this->setWindowIcon( LXDG::findIcon("application-pdf","unknown")); - CurrentPage = 0; + presentationLabel = 0; + CurrentPage = 1; lastdir = QDir::homePath(); - Printer = new QPrinter(); //Create the interface widgets - WIDGET = new QPrintPreviewWidget(Printer,this); + WIDGET = new PrintWidget(this); + WIDGET->setVisible(false); + WIDGET->setContextMenuPolicy(Qt::CustomContextMenu); clockTimer = new QTimer(this); clockTimer->setInterval(1000); //1-second updates to clock connect(clockTimer, SIGNAL(timeout()), this, SLOT(updateClock()) ); @@ -39,15 +42,22 @@ MainUI::MainUI() : QMainWindow(), ui(new Ui::MainUI()){ 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; }"); + //Context Menu + contextMenu = new QMenu(this); + connect(contextMenu, SIGNAL(aboutToShow()), this, SLOT(updateContextMenu())); //Now put the widgets into the UI + ui->bookmarksFrame->setParent(WIDGET); + ui->findGroup->setParent(WIDGET); + qDebug() << "Setting central widget"; this->setCentralWidget(WIDGET); - connect(WIDGET, SIGNAL(paintRequested(QPrinter*)), this, SLOT(paintOnWidget(QPrinter*)) ); + WIDGET->setContextMenuPolicy(Qt::CustomContextMenu); + connect(WIDGET, SIGNAL(customContextMenuRequested(const QPoint&)),this, SLOT(showContextMenu(const QPoint&)) ); DOC = 0; connect(this, SIGNAL(PageLoaded(int)), this, SLOT(slotPageLoaded(int)) ); PrintDLG = new QPrintDialog(this); connect(PrintDLG, SIGNAL(accepted(QPrinter*)), this, SLOT(paintToPrinter(QPrinter*)) ); - connect(ui->menuStart_Presentation, SIGNAL(triggered(QAction*)), this, SLOT(slotStartPresentation(QAction*)) ); + //connect(ui->menuStart_Presentation, SIGNAL(triggered(QAction*)), this, SLOT(slotStartPresentation(QAction*)) ); //Create the other interface widgets progress = new QProgressBar(this); @@ -57,6 +67,7 @@ MainUI::MainUI() : QMainWindow(), ui(new Ui::MainUI()){ progAct->setVisible(false); clockAct = ui->toolBar->addWidget(label_clock); clockAct->setVisible(false); + //Put the various actions into logical groups QActionGroup *tmp = new QActionGroup(this); tmp->setExclusive(true); @@ -71,15 +82,66 @@ MainUI::MainUI() : QMainWindow(), ui(new Ui::MainUI()){ tmp->addAction(ui->actionAll_Pages); ui->actionSingle_Page->setChecked(true); + qDebug() << "Starting connections"; + //Connect up the buttons connect(ui->actionClose, SIGNAL(triggered()), this, SLOT(close()) ); connect(ui->actionPrint, SIGNAL(triggered()), PrintDLG, SLOT(open()) ); connect(ui->actionFit_Width, SIGNAL(triggered()), WIDGET, SLOT(fitToWidth()) ); - connect(ui->actionFit_Page, SIGNAL(triggered()), WIDGET, SLOT(fitInView()) ); + connect(ui->actionFit_Page, SIGNAL(triggered()), WIDGET, SLOT(fitView()) ); connect(ui->actionOpen_PDF, SIGNAL(triggered()), this, SLOT(OpenNewFile()) ); connect(ui->actionSingle_Page, SIGNAL(triggered()), WIDGET, SLOT(setSinglePageViewMode()) ); connect(ui->actionDual_Pages, SIGNAL(triggered()), WIDGET, SLOT(setFacingPagesViewMode()) ); 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); }); + connect(ui->actionZoom_In, &QAction::triggered, WIDGET, [&] { WIDGET->zoomIn(1.2); }); + connect(ui->actionZoom_Out, &QAction::triggered, WIDGET, [&] { WIDGET->zoomOut(1.2); }); + connect(ui->actionRotate_Counterclockwise, &QAction::triggered, this, [&] { this->rotate(true); }); + connect(ui->actionRotate_Clockwise, &QAction::triggered, this, [&] { this->rotate(false); }); + connect(ui->actionZoom_In_2, &QAction::triggered, WIDGET, [&] { WIDGET->zoomIn(1.2); }); + connect(ui->actionZoom_Out_2, &QAction::triggered, WIDGET, [&] { WIDGET->zoomOut(1.2); }); + connect(ui->actionFirst_Page, SIGNAL(triggered()), this, SLOT(firstPage()) ); + connect(ui->actionPrevious_Page, SIGNAL(triggered()), this, SLOT(prevPage()) ); + connect(ui->actionNext_Page, SIGNAL(triggered()), this, SLOT(nextPage()) ); + connect(ui->actionLast_Page, SIGNAL(triggered()), this, SLOT(lastPage()) ); + connect(ui->actionProperties, SIGNAL(triggered()), this, SLOT(showInformation())); + connect(ui->actionFind, SIGNAL(triggered()), this, SLOT(enableFind())); + connect(ui->actionFind_Next, &QAction::triggered, this, + [&] { find(ui->textEdit->text(), true); }); + connect(ui->actionFind_Previous, &QAction::triggered, this, + [&] { find(ui->textEdit->text(), false); }); + connect(ui->findNextB, &QPushButton::clicked, this, + [&] { find(ui->textEdit->text(), true); }); + connect(ui->findPrevB, &QPushButton::clicked, this, + [&] { find(ui->textEdit->text(), false); }); + connect(ui->matchCase, &QPushButton::clicked, this, + [&] (bool value) { this->matchCase = value; }); + connect(ui->closeFind, &QPushButton::clicked, this, + [&] { ui->findGroup->setVisible(false); this->setFocus(); }); + connect(ui->actionClearHighlights, &QAction::triggered, WIDGET, + [&] { WIDGET->updatePreview(); }); + connect(ui->actionBookmarks, SIGNAL(triggered()), this, SLOT(showBookmarks())); + + qDebug() << "Finished connctions"; + + //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)")); + connect(ui->actionStart_Here, SIGNAL(triggered()), this, SLOT(startPresentationHere()) ); + ui->actionStart_Begin->setText(tr("Start Presentation (at beginning)")); + connect(ui->actionStart_Begin, SIGNAL(triggered()), this, SLOT(startPresentationBeginning()) ); + ui->actionStop_Presentation->setText(tr("Stop Presentation")); + connect(ui->actionStop_Presentation, SIGNAL(triggered()), this, SLOT(closePresentation()) ); //Setup all the icons ui->actionPrint->setIcon( LXDG::findIcon("document-print","")); @@ -90,10 +152,41 @@ MainUI::MainUI() : QMainWindow(), ui(new Ui::MainUI()){ ui->actionSingle_Page->setIcon(LXDG::findIcon("format-view-agenda","")); ui->actionDual_Pages->setIcon(LXDG::findIcon("format-view-grid-small","")); ui->actionAll_Pages->setIcon(LXDG::findIcon("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("media-playback-start-circled","")); + ui->actionStart_Begin->setIcon(LXDG::findIcon("presentation-play","")); + ui->actionStop_Presentation->setIcon(LXDG::findIcon("media-playback-stop-circled","")); + ui->actionBookmarks->setIcon(LXDG::findIcon("bookmark-new","")); + ui->actionFind->setIcon(LXDG::findIcon("edit-find","")); + ui->actionFind_Next->setIcon(LXDG::findIcon("edit-find-next","")); + ui->actionFind_Previous->setIcon(LXDG::findIcon("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->matchCase->setIcon(LXDG::findIcon("format-text-italic")); + ui->closeFind->setIcon(LXDG::findIcon("dialog-close")); + + qDebug() << "Finished setting icons"; //Now set the default state of the menu's and actions - ui->menuStart_Presentation->setEnabled(false); ui->actionStop_Presentation->setEnabled(false); + ui->actionStart_Here->setEnabled(false); + ui->actionStart_Begin->setEnabled(false); + + ui->findGroup->setVisible(false); + ui->bookmarksFrame->setVisible(false); } MainUI::~MainUI(){ @@ -101,8 +194,8 @@ MainUI::~MainUI(){ } void MainUI::loadFile(QString path){ - if(!QFile::exists(path) || path.isEmpty() ){ return; } + Poppler::Document *TDOC = Poppler::Document::load(path); if(TDOC==0){ qDebug() << "Could not open file:" << path; @@ -116,44 +209,56 @@ void MainUI::loadFile(QString path){ } if(TDOC->isLocked()){ return; } //Cancelled - still locked } + //qpdf.processFile(path.toLatin1().data(), pass.toLatin1().data()); if(DOC!=0){ //Clear out the old document first delete DOC; DOC=0; } - loadingHash.clear(); //clear out this hash + //loadingHash.clear(); //clear out this hash numPages = -1; DOC = TDOC; //Save this for later qDebug() << "Opening File:" << path; - this->setWindowTitle(DOC->title()); + this->setWindowTitle(TDOC->title()); if(this->windowTitle().isEmpty()){ this->setWindowTitle(path.section("/",-1)); } //Setup the Document + //QVector<QPDFObjectHandle> pages = (QVector<QPDFObjectHandle>)pdf.getAllPages(); + //QPDFObjectHandle page = pages.at(0); Poppler::Page *PAGE = DOC->page(0); if(PAGE!=0){ lastdir = path.section("/",0,-2); //save this for later - Printer->setPageSize( QPageSize(PAGE->pageSize(), QPageSize::Point) ); - Printer->setPageMargins(QMarginsF(0,0,0,0), QPageLayout::Point); switch(PAGE->orientation()){ - case Poppler::Page::Landscape: - Printer->setOrientation(QPrinter::Landscape); break; - default: - Printer->setOrientation(QPrinter::Portrait); + case Poppler::Page::Landscape: + WIDGET->setOrientation(QPageLayout::Landscape); break; + default: + WIDGET->setOrientation(QPageLayout::Portrait); } delete PAGE; - //qDebug() << " - Document Setup : start loading pages now"; - QTimer::singleShot(10, WIDGET, SLOT(updatePreview())); //start loading the file preview + qDebug() << " - Document Setup : start loading pages now"; + startLoadingPages(); + //QTimer::singleShot(10, WIDGET, SLOT(updatePreview())); //start loading the file preview } } void MainUI::loadPage(int num, Poppler::Document *doc, MainUI *obj, QSize dpi, QSizeF page){ + //PERFORMANCE NOTES: + // Using Poppler to scale the image (adjust dpi value) helps a bit but you take a large 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) + //qDebug() << " - Render Page:" << num; Poppler::Page *PAGE = doc->page(num); if(PAGE!=0){ - //qDebug() << "DPI:" << 4*dpi; - loadingHash.insert(num, PAGE->renderToImage(2.5*dpi.width(), 2.5*dpi.height()).scaled(2*page.width(), 2*page.height(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation) ); + //qDebug() << "DPI:" << dpi << "Size:" << page << "Page Size (pt):" << PAGE->pageSize(); + float scalefactor = (dpi.width()/72.0); //How different the screen DPI compares to standard page DPI + //qDebug() << "Scale Factor:" << scalefactor; + QImage raw = PAGE->renderToImage((scalefactor+0.2)*dpi.width(), (scalefactor+0.2)*dpi.height()); //make the raw image a tiny bit larger than the end result + //qDebug() << " - Raw Image Size:" << raw.size(); + loadingHash.insert(num, raw.scaled(scalefactor*page.width(), scalefactor*page.height(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation) ); + raw = QImage(); //clear it /* QList<Annotation*> anno = PAGE->annotations(Annotations::AText ); QStringList annoS; @@ -212,16 +317,20 @@ void MainUI::startPresentation(bool atStart){ //Now create the full-screen window on the selected screen if(presentationLabel == 0){ //Create the label and any special flags for it - presentationLabel = new QLabel(0, Qt::Window | Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint); + 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->menuStart_Presentation->setEnabled(false); + ui->actionStart_Here->setEnabled(false); + ui->actionStart_Begin->setEnabled(false); updateClock(); clockAct->setVisible(true); clockTimer->start(); @@ -238,7 +347,7 @@ void MainUI::ShowPage(int page){ endPresentation(); return; //invalid - no document loaded or invalid page specified } - WIDGET->setCurrentPage(page+1); //page numbers start at 1 for this widget + WIDGET->setCurrentPage(page); //page numbers start at 1 for this widget //Stop here if no presentation currently running if(presentationLabel == 0 || !presentationLabel->isVisible()){ return; } CurrentPage = page; @@ -261,57 +370,58 @@ 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->menuStart_Presentation->setEnabled(true); + ui->actionStart_Here->setEnabled(true); + ui->actionStart_Begin->setEnabled(true); clockTimer->stop(); clockAct->setVisible(false); this->releaseKeyboard(); } -void MainUI::startLoadingPages(QPrinter *printer){ +void MainUI::startLoadingPages(){ if(numPages>0){ return; } //currently loaded[ing] - //qDebug() << " - Start Loading Pages"; + qDebug() << " - Start Loading Pages"; numPages = DOC->numPages(); //qDebug() << "numPages:" << numPages; progress->setRange(0,numPages); progress->setValue(0); progAct->setVisible(true); - QRectF pageSize = printer->pageRect(QPrinter::DevicePixel); - QSize DPI(printer->resolution(),printer->resolution()); + QSizeF pageSize = DOC->page(0)->pageSizeF()*2; + //QSize DPI(loadingHash[0]->resolution(),loadingHash[0]->resolution()); + QSize DPI(76,76); + /*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(); + }*/ + qDebug() << "Poppler pageSize: " << pageSize; for(int i=0; i<numPages; i++){ //qDebug() << " - Kickoff page load:" << i; - QtConcurrent::run(this, &MainUI::loadPage, i, DOC, this, DPI, pageSize.size() ); + QtConcurrent::run(this, &MainUI::loadPage, i, DOC, this, DPI, pageSize); } } void MainUI::slotPageLoaded(int page){ + Q_UNUSED(page); //qDebug() << "Page Loaded:" << page; int finished = loadingHash.keys().length(); if(finished == numPages){ progAct->setVisible(false); - QTimer::singleShot(0, WIDGET, SLOT(updatePreview())); + qDebug() << "Setting Pictures"; + WIDGET->setPictures(&loadingHash); + WIDGET->setVisible(true); + //QTimer::singleShot(10, WIDGET, SLOT(updatePreview())); + //qDebug() << "Updating"; ui->actionStop_Presentation->setEnabled(false); - ui->menuStart_Presentation->setEnabled(true); + ui->actionStart_Here->setEnabled(true); + ui->actionStart_Begin->setEnabled(true); }else{ progress->setValue(finished); } } -void MainUI::slotStartPresentation(QAction *act){ +/*void MainUI::slotStartPresentation(QAction *act){ startPresentation(act == ui->actionAt_Beginning); -} - -void MainUI::paintOnWidget(QPrinter *PRINTER){ - if(DOC==0){ return; } - //this->show(); - if(loadingHash.keys().length() != numPages){ startLoadingPages(PRINTER); return; } - - QPainter painter(PRINTER); - for(int i=0; i<numPages; i++){ - if(i != 0){ PRINTER->newPage(); } //this is the start of the next page (not needed for first) - if(loadingHash.contains(i)){ painter.drawImage(0,0, loadingHash[i].scaled(PRINTER->pageRect().size(), Qt::KeepAspectRatio, Qt::SmoothTransformation)); } - else{ painter.drawImage(0,0, QImage()); } - } -} +}*/ void MainUI::paintToPrinter(QPrinter *PRINTER){ if(loadingHash.keys().length() != numPages){ return; } @@ -320,7 +430,7 @@ void MainUI::paintToPrinter(QPrinter *PRINTER){ int firstpage = 0; int copies = PRINTER->copyCount(); bool collate = PRINTER->collateCopies(); - bool duplex = (PRINTER->duplex()!=QPrinter::DuplexNone); + //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; @@ -350,7 +460,6 @@ void MainUI::paintToPrinter(QPrinter *PRINTER){ } } //qDebug() << "Final Page Range:" << pageCount; - //return; //Generate the sizing information for the printer QSize sz(PRINTER->pageRect().width(), PRINTER->pageRect().height()); bool landscape = PRINTER->orientation()==QPrinter::Landscape; @@ -383,3 +492,166 @@ void MainUI::OpenNewFile(){ void MainUI::updateClock(){ label_clock->setText( QDateTime::currentDateTime().toString("<b>hh:mm:ss</b>") ); } + +void MainUI::setScroll(bool tog) { + if(tog) { + QApplication::setOverrideCursor(Qt::OpenHandCursor); + }else{ + QApplication::setOverrideCursor(Qt::IBeamCursor); + } +} + +void MainUI::rotate(bool ccw) { + for(int i = 0; i < numPages; i++) { + QImage image = loadingHash[i]; + qDebug() << "Page rotating: " << i; + //Setup a rotation matrix that rotates 90 degrees clockwise or counterclockwise + QMatrix matrix = (ccw) ? QMatrix(0, -1, 1, 0, 0, 0) : QMatrix(0, 1, -1, 0, 0, 0); + image = image.transformed(matrix, Qt::SmoothTransformation); + //Updates the image in the hash + loadingHash.insert(i, image); + } + //Rotates the page as well as the image + //WIDGET->setOrientation((WIDGET->orientation() == QPageLayout::Landscape) ? + //QPageLayout::Portrait : QPageLayout::Landscape); + QTimer::singleShot(0, WIDGET, SLOT(updatePreview())); +} + +void MainUI::updateContextMenu(){ + contextMenu->clear(); + contextMenu->addSection( QString(tr("Page %1 of %2")).arg(QString::number(WIDGET->currentPage()), + QString::number(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){ + //See if this is one of the special hotkeys and act appropriately + bool inPresentation = (presentationLabel!=0); + if( event->key()==Qt::Key_Escape || event->key()==Qt::Key_Backspace){ + if(inPresentation){ endPresentation(); } + }else if(event->key()==Qt::Key_Right || event->key()==Qt::Key_Space || + event->key()==Qt::Key_PageDown){ + nextPage(); + }else if(event->key()==Qt::Key_Left || event->key()==Qt::Key_PageUp){ + prevPage(); + }else if(event->key()==Qt::Key_Home){ + firstPage(); + }else if(event->key()==Qt::Key_End){ + lastPage(); + }else if(event->key()==Qt::Key_F11){ + if(inPresentation){ endPresentation(); } + else{ startPresentationHere(); } + }else if(event->key() == Qt::Key_Up) { + //Scroll the widget up + }else if(event->key() == 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);*/ + }else{ + QMainWindow::keyPressEvent(event); + } +} + +void MainUI::wheelEvent(QWheelEvent *event) { + //Scroll the window according to the mouse wheel + QMainWindow::wheelEvent(event); +} + +void MainUI::showInformation() { + PROPDIALOG = new PropDialog(DOC); + PROPDIALOG->show(); +} + +void MainUI::find(QString text, bool forward) { + if(!text.isEmpty()) { + qDebug() << "Finding Text"; + bool newText = results.empty(); + bool research = false; + if(!newText) + research = !results.keys()[0]->text().contains(text); + //Clear results if the user gives a new search string + if(research) + results.clear(); + + if(research or newText) { + for(int i = 0; i < numPages; i++) { + QList<Poppler::TextBox*> textList = DOC->page(i)->textList(); + for(int j = 0; j < textList.size(); j++) { + if(textList[j]->text().contains(text, (matchCase) + ? Qt::CaseSensitive : Qt::CaseInsensitive)) { + results.insert(textList[j], i); + } + } + } + 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 = (currentHighlight + 1) % results.size(); + }else{ + currentHighlight--; + //Ensure currentHighlight will be between 0 and results.size() - 1 + if(currentHighlight < 0) + currentHighlight = results.size() - 1; + } + + qDebug() << "Jump to location: " << currentHighlight; + + Poppler::TextBox *currentText = results.keys()[currentHighlight]; + WIDGET->setCurrentPage(results.value(currentText)); + WIDGET->highlightText(currentHighlight, currentText->boundingBox()); + + QTimer::singleShot(10, WIDGET, SLOT(updatePreview())); + }else{ + //Print "No results found" + } + } +} + +void MainUI::enableFind() { + if(ui->findGroup->isVisible()) { + qDebug() << "Disabling Find"; + ui->findGroup->setVisible(false); + WIDGET->setGeometry(QRect(WIDGET->pos(), + QSize(WIDGET->width(), WIDGET->height()+ui->findGroup->height()))); + QTimer::singleShot(0, WIDGET, SLOT(updatePreview())); + this->setFocus(); + }else{ + qDebug() << "Enabling Find"; + ui->findGroup->setGeometry(QRect(QPoint(0, WIDGET->height()-ui->findGroup->height()), + QSize(WIDGET->width()-12, ui->findGroup->height()))); + ui->findGroup->setVisible(true); + WIDGET->setGeometry(QRect(WIDGET->pos(), + QSize(WIDGET->width(), WIDGET->height()-ui->findGroup->height()))); + + QTimer::singleShot(0, WIDGET, SLOT(updatePreview())); + ui->findGroup->setFocus(); + } +} + +void MainUI::showBookmarks() { + ui->bookmarksFrame->setVisible(true); +} + +void MainUI::resizeEvent(QResizeEvent *event) { + if(ui->findGroup->isVisible()) { + ui->findGroup->setGeometry(QRect(QPoint(0, WIDGET->height()-ui->findGroup->height()), + QSize(WIDGET->width()-10, ui->findGroup->height()))); + } + QMainWindow::resizeEvent(event); +} |