diff options
Diffstat (limited to 'src-qt5/experimental/lumina-pdf/mainUI.cpp')
| -rw-r--r-- | src-qt5/experimental/lumina-pdf/mainUI.cpp | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/src-qt5/experimental/lumina-pdf/mainUI.cpp b/src-qt5/experimental/lumina-pdf/mainUI.cpp deleted file mode 100644 index 620b4623..00000000 --- a/src-qt5/experimental/lumina-pdf/mainUI.cpp +++ /dev/null @@ -1,178 +0,0 @@ -//=========================================== -// Lumina Desktop source code -// Copyright (c) 2017, Ken Moore -// Available under the 3-clause BSD license -// See the LICENSE file for full details -//=========================================== -#include "mainUI.h" -#include "ui_mainUI.h" - -#include <QPainter> -#include <QImage> -#include <QSize> -#include <QFileDialog> -#include <QInputDialog> -#include <QDebug> -#include <QApplication> -#include <QScreen> - -#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")); - - lastdir = QDir::homePath(); - Printer = new QPrinter(); - WIDGET = new QPrintPreviewWidget(Printer,this); - this->setCentralWidget(WIDGET); - connect(WIDGET, SIGNAL(paintRequested(QPrinter*)), this, SLOT(paintOnWidget(QPrinter*)) ); - DOC = 0; - - PrintDLG = new QPrintDialog(this); - connect(PrintDLG, SIGNAL(accepted(QPrinter*)), this, SLOT(paintOnWidget(QPrinter*)) ); //Can change to PaintToPrinter() later - - //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); - //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); - - //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->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()) ); - - //Setup all the icons - ui->actionPrint->setIcon( LXDG::findIcon("document-print","")); - ui->actionClose->setIcon( LXDG::findIcon("window-close","")); - ui->actionFit_Width->setIcon(LXDG::findIcon("arrow-expand-all","")); - ui->actionFit_Page->setIcon(LXDG::findIcon("zoom-fit-best","")); - ui->actionOpen_PDF->setIcon(LXDG::findIcon("document-open","")); - ui->actionSingle_Page->setIcon(LXDG::findIcon("view-preview","")); - ui->actionDual_Pages->setIcon(LXDG::findIcon("format-view-agenda","")); - ui->actionAll_Pages->setIcon(LXDG::findIcon("format-view-grid-small","")); -} - -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; - return; - }else if(TDOC->isLocked()){ - //Prompt for password to unlock the document - QString pass = ""; - bool ok = true; //flag this to go into the loop the first time (if password prompt is cancelled - this becomes false) - while( (ok ? true : !TDOC->unlock(QByteArray(), pass.toLocal8Bit())) ){ //make sure the unlock function is only called when ok is true - pass = QInputDialog::getText(this, tr("Unlock PDF"), tr("Password:"), QLineEdit::Password, "", &ok); - } - if(TDOC->isLocked()){ return; } //Cancelled - still locked - } - - if(DOC!=0){ - //Clear out the old document first - delete DOC; - DOC=0; - } - DOC = TDOC; //Save this for later - qDebug() << "Opening File:" << path; - this->setWindowTitle(DOC->title()); - if(this->windowTitle().isEmpty()){ this->setWindowTitle(path.section("/",-1)); } - - //Setup the Document - 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); - } - delete PAGE; - WIDGET->updatePreview(); //start loading the file preview - } - -} - -void MainUI::paintOnWidget(QPrinter *PRINTER){ - if(DOC==0){ return; } - //this->show(); - //QApplication::processEvents(); - int pages = DOC->numPages(); - int firstpage = 0; - //qDebug() << "Start Rendering PDF:" << PRINTER->fromPage() << PRINTER->toPage(); - if(PRINTER->fromPage() != PRINTER->toPage() || PRINTER->fromPage()!=0){ - firstpage = PRINTER->fromPage() - 1; - pages = PRINTER->toPage(); - } - qDebug() << " - Generating Pages:" << firstpage << pages; - //Now start painting all the pages onto the widget - QRectF size = PRINTER->pageRect(QPrinter::DevicePixel); - QSize DPI(PRINTER->resolution(),PRINTER->resolution()); - //QScreen *scrn = QApplication::screens().first(); - //QSize SDPI(scrn->logicalDotsPerInchX(), scrn->logicalDotsPerInchY()); - QPainter painter(PRINTER); - //qDebug() << "Set progress bar range:" << firstpage+1 << pages; - progress->setRange(firstpage+1,pages+1); - //progress->setValue(firstpage); - progAct->setVisible(true); - qDebug() << "Printer DPI:" << DPI; - //qDebug() << "Screen DPI:" << SDPI; - for(int i=firstpage; i<pages; i++){ - //qDebug() << "Loading Page:" << i; - progress->setValue(i+1); - //qDebug() << " - ProcessEvents"; - QApplication::processEvents(); - //Now paint this page on the printer - //qDebug() << " - Load Poppler Page"; - if(i != firstpage){ PRINTER->newPage(); } //this is the start of the next page (not needed for first) - Poppler::Page *PAGE = DOC->page(i); - if(PAGE!=0){ - painter.drawImage(0,0,PAGE->renderToImage(2*DPI.width(), 2*DPI.height()).scaled(size.width(), size.height(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation) ); - }else{ - painter.drawImage(0,0,QImage()); - } - if(PAGE!=0){ delete PAGE; } - //QApplication::processEvents(); - } - //qDebug() << "Done Loading Pages"; - 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); } - -} |