mirror of
https://github.com/YACReader/yacreader
synced 2025-06-04 01:28:55 -04:00
91e97ba8ff
se ha introducido un bug que hace que la aplicaci?n cierre anormalmente al pasar al siguiente c?mic
676 lines
18 KiB
C++
676 lines
18 KiB
C++
#include "viewer.h"
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#include "magnifying_glass.h"
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#include "configuration.h"
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#include "magnifying_glass.h"
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#include "goto_flow.h"
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#include "goto_flow_gl.h"
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#include "bookmarks_dialog.h"
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#include "render.h"
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#include "goto_dialog.h"
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#include "translator.h"
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#include <QWebView>
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#include <QFile>
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#define STEPS 22
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Viewer::Viewer(QWidget * parent)
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:QScrollArea(parent),
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currentPage(0),
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magnifyingGlassShowed(false),
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fullscreen(false),
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information(false),
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adjustToWidthRatio(1),
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doublePage(false),
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wheelStop(false),
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direction(1),
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restoreMagnifyingGlass(false),
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drag(false)
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{
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translator = new YACReaderTranslator(this);
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translator->hide();
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translatorAnimation = new QPropertyAnimation(translator,"pos");
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translatorAnimation->setDuration(150);
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translatorXPos = -10000;
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translator->move(-translator->width(),10);
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//current comic page
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content = new QLabel(this);
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configureContent(tr("Press 'O' to open comic."));
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//scroll area configuration
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setBackgroundRole(QPalette::Dark);
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setWidget(content);
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setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setFrameStyle(QFrame::NoFrame);
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setAlignment(Qt::AlignCenter);
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QPalette palette;
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palette.setColor(backgroundRole(), Configuration::getConfiguration().getBackgroundColor());
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setPalette(palette);
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//---------------------------------------
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mglass = new MagnifyingGlass(Configuration::getConfiguration().getMagnifyingGlassSize(),this);
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mglass->hide();
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content->setMouseTracking(true);
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setMouseTracking(true);
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informationLabel = new QLabel(this);
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informationLabel->setAlignment(Qt::AlignVCenter|Qt::AlignHCenter);
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informationLabel->setAutoFillBackground(true);
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informationLabel->setFont(QFont("courier new", 12));
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informationLabel->hide();
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informationLabel->resize(100,25);
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showCursor();
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goToDialog = new GoToDialog(this);
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goToFlow = new GoToFlowGL(this,Configuration::getConfiguration().getFlowType());
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goToFlow->hide();
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showGoToFlowAnimation = new QPropertyAnimation(goToFlow,"pos");
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showGoToFlowAnimation->setDuration(150);
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bd = new BookmarksDialog(this->parentWidget());
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render = new Render();
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scroller = new QTimer(this);
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hideCursorTimer = new QTimer();
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hideCursorTimer->setSingleShot(true);
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if(Configuration::getConfiguration().getDoublePage())
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doublePageSwitch();
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createConnections();
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hideCursorTimer->start(2500);
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setMouseTracking(true);
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}
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void Viewer::createConnections()
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{
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//magnifyingGlass (update mg after a background change
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connect(this,SIGNAL(backgroundChanges()),mglass,SLOT(updateImage()));
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//goToDialog
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connect(goToDialog,SIGNAL(goToPage(unsigned int)),this,SLOT(goTo(unsigned int)));
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//goToFlow goTo
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connect(goToFlow,SIGNAL(goToPage(unsigned int)),this,SLOT(goTo(unsigned int)));
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//current time
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QTimer * t = new QTimer();
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connect(t,SIGNAL(timeout()),this,SLOT(updateInformation()));
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t->start(1000);
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//hide cursor
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connect(hideCursorTimer,SIGNAL(timeout()),this,SLOT(hideCursor()));
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//bookmarks
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connect(bd,SIGNAL(goToPage(unsigned int)),this,SLOT(goTo(unsigned int)));
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//render
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connect(render,SIGNAL(errorOpening()),this,SLOT(resetContent()));
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connect(render,SIGNAL(numPages(unsigned int)),goToFlow,SLOT(setNumSlides(unsigned int)));
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connect(render,SIGNAL(numPages(unsigned int)),goToDialog,SLOT(setNumPages(unsigned int)));
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connect(render,SIGNAL(imageLoaded(int,QByteArray)),goToFlow,SLOT(setImageReady(int,QByteArray)));
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connect(render,SIGNAL(currentPageReady()),this,SLOT(updatePage()));
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connect(render,SIGNAL(processingPage()),this,SLOT(setLoadingMessage()));
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connect(render,SIGNAL(currentPageIsBookmark(bool)),this,SIGNAL(pageIsBookmark(bool)));
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connect(render,SIGNAL(bookmarksLoaded(const Bookmarks &)),bd,SLOT(setBookmarks(const Bookmarks &)));
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}
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void Viewer::open(QString pathFile)
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{
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if(render->hasLoadedComic())
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save();
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//bd->setBookmarks(*bm);
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goToFlow->reset();
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render->load(pathFile);
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//render->update();
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verticalScrollBar()->setSliderPosition(verticalScrollBar()->minimum());
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}
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void Viewer::next()
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{
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direction = 1;
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render->nextPage();
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}
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void Viewer::prev()
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{
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direction = -1;
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render->previousPage();
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}
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void Viewer::showGoToDialog()
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{
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goToDialog->show();
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}
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void Viewer::goTo(unsigned int page)
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{
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direction = 1; //in "go to" direction is always fordward
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render->goTo(page-1);
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}
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void Viewer::updatePage()
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{
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QPixmap * previousPage = currentPage;
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currentPage = render->getCurrentPage();
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content->setPixmap(*currentPage);
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updateContentSize();
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updateVerticalScrollBar();
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emit backgroundChanges();
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emit(pageAvailable(true));
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//TODO -> update bookmark action
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setFocus(Qt::ShortcutFocusReason);
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delete previousPage;
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if(restoreMagnifyingGlass)
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{
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restoreMagnifyingGlass = false;
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showMagnifyingGlass();
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}
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}
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void Viewer::updateContentSize()
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{
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//there is an image to resize
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if(currentPage !=0 && !currentPage->isNull())
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{
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if(Configuration::getConfiguration().getAdjustToFullSize())
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{
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content->resize(currentPage->width(),currentPage->height());
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}
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else
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{
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float aspectRatio = (float)currentPage->width()/currentPage->height();
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//Fit to width
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if(Configuration::getConfiguration().getAdjustToWidth())
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{
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adjustToWidthRatio = Configuration::getConfiguration().getFitToWidthRatio();
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if(static_cast<int>(width()*adjustToWidthRatio/aspectRatio)<height())
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if(static_cast<int>(height()*aspectRatio)>width())
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content->resize(width(),static_cast<int>(width()/aspectRatio));
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else
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content->resize(static_cast<int>(height()*aspectRatio),height());
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else
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content->resize(width()*adjustToWidthRatio,static_cast<int>(width()*adjustToWidthRatio/aspectRatio));
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}
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//Fit to height or fullsize/custom size
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else
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{
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if(static_cast<int>(height()*aspectRatio)>width()) //page width exceeds window width
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content->resize(width(),static_cast<int>(width()/aspectRatio));
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else
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content->resize(static_cast<int>(height()*aspectRatio),height());
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}
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}
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emit backgroundChanges();
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}
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content->update(); //TODO, it shouldn't be neccesary
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}
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void Viewer::updateVerticalScrollBar()
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{
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if(direction > 0)
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verticalScrollBar()->setSliderPosition(verticalScrollBar()->minimum());
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else
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verticalScrollBar()->setSliderPosition(verticalScrollBar()->maximum());
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}
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void Viewer::scrollDown()
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{
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if(verticalScrollBar()->sliderPosition()==verticalScrollBar()->maximum())
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{
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next();
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scroller->stop();
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}
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else
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{
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int currentPos = verticalScrollBar()->sliderPosition();
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verticalScrollBar()->setSliderPosition(currentPos=currentPos+posByStep);
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if((verticalScrollBar()->sliderPosition()==verticalScrollBar()->maximum())
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||(verticalScrollBar()->sliderPosition()>=nextPos))
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scroller->stop();
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emit backgroundChanges();
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}
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}
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void Viewer::scrollUp()
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{
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if(verticalScrollBar()->sliderPosition()==verticalScrollBar()->minimum())
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{
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prev();
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scroller->stop();
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}
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else
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{
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int currentPos = verticalScrollBar()->sliderPosition();
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verticalScrollBar()->setSliderPosition(currentPos=currentPos-posByStep);
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if((verticalScrollBar()->sliderPosition()==verticalScrollBar()->minimum())
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||(verticalScrollBar()->sliderPosition()<=nextPos))
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scroller->stop();
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emit backgroundChanges();
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}
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}
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void Viewer::keyPressEvent(QKeyEvent *event)
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{
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if(render->hasLoadedComic())
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{
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if(goToFlow->isVisible() && event->key()!=Qt::Key_S)
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QCoreApplication::sendEvent(goToFlow,event);
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else
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switch (event->key())
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{
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case Qt::Key_Space:
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disconnect(scroller,SIGNAL(timeout()),this,0);
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connect(scroller,SIGNAL(timeout()),this,SLOT(scrollDown()));
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posByStep = height()/STEPS;
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nextPos=verticalScrollBar()->sliderPosition()+static_cast<int>((height()*0.80));
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scroller->start(20);
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break;
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case Qt::Key_B:
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disconnect(scroller,SIGNAL(timeout()),this,0);
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connect(scroller,SIGNAL(timeout()),this,SLOT(scrollUp()));
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posByStep = height()/STEPS;
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nextPos=verticalScrollBar()->sliderPosition()-static_cast<int>((height()*0.80));
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scroller->start(20);
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break;
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case Qt::Key_S:
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goToFlowSwitch();
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break;
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case Qt::Key_T:
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translatorSwitch();
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break;
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case Qt::Key_Down:
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/*if(verticalScrollBar()->sliderPosition()==verticalScrollBar()->maximum())
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next();
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else*/
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QAbstractScrollArea::keyPressEvent(event);
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emit backgroundChanges();
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break;
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case Qt::Key_Up:
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/*if(verticalScrollBar()->sliderPosition()==verticalScrollBar()->minimum())
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prev();
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else*/
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QAbstractScrollArea::keyPressEvent(event);
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emit backgroundChanges();
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break;
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case Qt::Key_Home:
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goTo(1);
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break;
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case Qt::Key_End:
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goTo(this->render->numPages());
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break;
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default:
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QAbstractScrollArea::keyPressEvent(event);
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break;
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}
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if(mglass->isVisible())
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switch(event->key())
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{
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case Qt::Key_Plus: case Qt::Key_Minus: case Qt::Key_Underscore: case Qt::Key_Asterisk:
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QCoreApplication::sendEvent(mglass,event);
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}
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}
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}
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void Viewer::wheelEvent(QWheelEvent * event)
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{
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if(render->hasLoadedComic())
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{
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if((event->delta()<0)&&(verticalScrollBar()->sliderPosition()==verticalScrollBar()->maximum()))
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{
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if(wheelStop)
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{
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next();
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event->accept();
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wheelStop = false;
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return;
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}
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else
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wheelStop = true;
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}
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else
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if((event->delta()>0)&&(verticalScrollBar()->sliderPosition()==verticalScrollBar()->minimum()))
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{
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if(wheelStop)
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{
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prev();
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event->accept();
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wheelStop = false;
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return;
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}
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else
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wheelStop = true;
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}
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QAbstractScrollArea::wheelEvent(event);
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emit backgroundChanges();
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}
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}
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void Viewer::resizeEvent(QResizeEvent * event)
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{
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updateContentSize();
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goToFlow->move(QPoint((width()-goToFlow->width())/2,height()-goToFlow->height()));
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informationLabel->move(QPoint((width()-informationLabel->width())/2,0));
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QScrollArea::resizeEvent(event);
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}
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void Viewer::mouseMoveEvent(QMouseEvent * event)
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{
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showCursor();
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hideCursorTimer->start(2500);
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if(magnifyingGlassShowed)
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mglass->move(static_cast<int>(event->x()-float(mglass->width())/2),static_cast<int>(event->y()-float(mglass->height())/2));
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if(render->hasLoadedComic())
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{
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if(showGoToFlowAnimation->state()!=QPropertyAnimation::Running)
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{
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if(goToFlow->isVisible())
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{
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animateHideGoToFlow();
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//goToFlow->hide();
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}
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else
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{
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int umbral = (width()-goToFlow->width())/2;
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if((event->y()>height()-15)&&(event->x()>umbral)&&(event->x()<width()-umbral))
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{
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animateShowGoToFlow();
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hideCursorTimer->stop();
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}
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}
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}
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if(drag)
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{
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int currentPosY = verticalScrollBar()->sliderPosition();
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int currentPosX = horizontalScrollBar()->sliderPosition();
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verticalScrollBar()->setSliderPosition(currentPosY=currentPosY+(yDragOrigin-event->y()));
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horizontalScrollBar()->setSliderPosition(currentPosX=currentPosX+(xDragOrigin-event->x()));
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yDragOrigin = event->y();
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xDragOrigin = event->x();
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}
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}
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}
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const QPixmap * Viewer::pixmap()
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{
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return content->pixmap();
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}
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void Viewer::magnifyingGlassSwitch()
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{
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magnifyingGlassShowed?hideMagnifyingGlass():showMagnifyingGlass();
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}
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void Viewer::showMagnifyingGlass()
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{
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if(render->hasLoadedComic())
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{
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QPoint p = QPoint(cursor().pos().x(),cursor().pos().y());
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p = this->parentWidget()->mapFromGlobal(p);
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mglass->move(static_cast<int>(p.x()-float(mglass->width())/2)
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,static_cast<int>(p.y()-float(mglass->height())/2));
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mglass->show();
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mglass->updateImage(mglass->x()+mglass->width()/2,mglass->y()+mglass->height()/2);
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magnifyingGlassShowed = true;
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}
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}
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void Viewer::hideMagnifyingGlass()
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{
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mglass->hide();
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magnifyingGlassShowed = false;
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}
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void Viewer::informationSwitch()
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{
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information?informationLabel->hide():informationLabel->show();
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informationLabel->move(QPoint((width()-informationLabel->width())/2,0));
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information=!information;
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//TODO it shouldn't be neccesary
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informationLabel->adjustSize();
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informationLabel->update();
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}
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void Viewer::updateInformation()
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{
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if(render->hasLoadedComic())
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{
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informationLabel->setText(render->getCurrentPagesInformation()+" - "+QTime::currentTime().toString("HH:mm"));
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informationLabel->adjustSize();
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informationLabel->update(); //TODO it shouldn't be neccesary
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}
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}
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void Viewer::goToFlowSwitch()
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{
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goToFlow->isVisible()?animateHideGoToFlow():showGoToFlow();
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}
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void Viewer::translatorSwitch()
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{
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translator->isVisible()?animateHideTranslator():animateShowTranslator();
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}
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void Viewer::showGoToFlow()
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{
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if(render->hasLoadedComic())
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{
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animateShowGoToFlow();
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}
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}
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void Viewer::animateShowGoToFlow()
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{
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if(goToFlow->isHidden() && showGoToFlowAnimation->state()!=QPropertyAnimation::Running)
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{
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disconnect(showGoToFlowAnimation,SIGNAL(finished()),goToFlow,SLOT(hide()));
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connect(showGoToFlowAnimation,SIGNAL(finished()),this,SLOT(moveCursoToGoToFlow()));
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showGoToFlowAnimation->setStartValue(QPoint((width()-goToFlow->width())/2,height()-10));
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showGoToFlowAnimation->setEndValue(QPoint((width()-goToFlow->width())/2,height()-goToFlow->height()));
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showGoToFlowAnimation->start();
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goToFlow->centerSlide(render->getIndex());
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goToFlow->setPageNumber(render->getIndex());
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goToFlow->show();
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goToFlow->setFocus(Qt::OtherFocusReason);
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}
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}
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void Viewer::animateHideGoToFlow()
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{
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if(goToFlow->isVisible() && showGoToFlowAnimation->state()!=QPropertyAnimation::Running)
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{
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connect(showGoToFlowAnimation,SIGNAL(finished()),goToFlow,SLOT(hide()));
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disconnect(showGoToFlowAnimation,SIGNAL(finished()),this,SLOT(moveCursoToGoToFlow()));
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showGoToFlowAnimation->setStartValue(QPoint((width()-goToFlow->width())/2,height()-goToFlow->height()));
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showGoToFlowAnimation->setEndValue(QPoint((width()-goToFlow->width())/2,height()));
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showGoToFlowAnimation->start();
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goToFlow->centerSlide(render->getIndex());
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goToFlow->setPageNumber(render->getIndex());
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this->setFocus(Qt::OtherFocusReason);
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}
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}
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void Viewer::moveCursoToGoToFlow()
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{
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//Move cursor to goToFlow widget on show (this avoid hide when mouse is moved)
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int y = goToFlow->pos().y();
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int x1 = goToFlow->pos().x();
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int x2 = x1 + goToFlow->width();
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QPoint cursorPos = mapFromGlobal(cursor().pos());
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int cursorX = cursorPos.x();
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int cursorY = cursorPos.y();
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if(cursorY <= y)
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cursorY = y + 10;
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if(cursorX <= x1)
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cursorX = x1 + 10;
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if(cursorX >= x2)
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cursorX = x2 - 10;
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cursor().setPos(mapToGlobal(QPoint(cursorX,cursorY)));
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hideCursorTimer->stop();
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showCursor();
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}
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void Viewer::rotateLeft()
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{
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render->rotateLeft();
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}
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void Viewer::rotateRight()
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{
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render->rotateRight();
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}
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//TODO
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void Viewer::setBookmark(bool set)
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{
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render->setBookmark();
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if(set) //add bookmark
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{
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render->setBookmark();
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}
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else //remove bookmark
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{
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render->removeBookmark();
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}
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}
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void Viewer::save ()
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{
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if(render->hasLoadedComic())
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render->save();
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}
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void Viewer::doublePageSwitch()
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{
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doublePage = !doublePage;
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render->doublePageSwitch();
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Configuration::getConfiguration().setDoublePage(doublePage);
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}
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void Viewer::resetContent()
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{
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configureContent(tr("Press 'O' to open comic."));
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goToFlow->reset();
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emit reset();
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}
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void Viewer::setLoadingMessage()
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{
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if(magnifyingGlassShowed)
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{
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hideMagnifyingGlass();
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restoreMagnifyingGlass = true;
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}
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emit(pageAvailable(false));
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configureContent(tr("Loading...please wait!"));
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}
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void Viewer::configureContent(QString msg)
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{
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content->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
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content->setScaledContents(true);
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content->setAlignment(Qt::AlignTop|Qt::AlignHCenter);
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content->setText(msg);
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content->setFont(QFont("courier new", 12));
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content->adjustSize();
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setFocus(Qt::ShortcutFocusReason);
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//emit showingText();
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}
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|
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void Viewer::hideCursor()
|
|
{
|
|
#ifdef Q_WS_MAC
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setCursor(QCursor(QBitmap(1,1),QBitmap(1,1)));
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|
#else
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|
setCursor(Qt::BlankCursor);
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#endif
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|
}
|
|
void Viewer::showCursor()
|
|
{
|
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if(drag)
|
|
setCursor(Qt::ClosedHandCursor);
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else
|
|
setCursor(Qt::OpenHandCursor);
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}
|
|
|
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void Viewer::updateOptions()
|
|
{
|
|
|
|
goToFlow->setFlowType(Configuration::getConfiguration().getFlowType());
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|
updateBackgroundColor(Configuration::getConfiguration().getBackgroundColor());
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updateContentSize();
|
|
//goToFlow->updateSize();
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|
}
|
|
|
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void Viewer::updateBackgroundColor(const QColor & color)
|
|
{
|
|
QPalette palette;
|
|
palette.setColor(backgroundRole(), color);
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|
setPalette(palette);
|
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}
|
|
|
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void Viewer::animateShowTranslator()
|
|
{
|
|
if(translator->isHidden() && translatorAnimation->state()!=QPropertyAnimation::Running)
|
|
{
|
|
disconnect(translatorAnimation,SIGNAL(finished()),translator,SLOT(hide()));
|
|
if(translatorXPos == -10000)
|
|
translatorXPos = (width()-translator->width())/2;
|
|
int x = qMax(0,qMin(translatorXPos,width()-translator->width()));
|
|
if(translator->pos().x()<0)
|
|
{
|
|
translatorAnimation->setStartValue(QPoint(-translator->width(),translator->pos().y()));
|
|
}
|
|
else
|
|
{
|
|
translatorAnimation->setStartValue(QPoint(width()+translator->width(),translator->pos().y()));
|
|
}
|
|
translatorAnimation->setEndValue(QPoint(x,translator->pos().y()));
|
|
translatorAnimation->start();
|
|
translator->show();
|
|
translator->setFocus(Qt::OtherFocusReason);
|
|
}
|
|
}
|
|
void Viewer::animateHideTranslator()
|
|
{
|
|
if(translator->isVisible() && translatorAnimation->state()!=QPropertyAnimation::Running)
|
|
{
|
|
connect(translatorAnimation,SIGNAL(finished()),translator,SLOT(hide()));
|
|
translatorAnimation->setStartValue(QPoint(translatorXPos = translator->pos().x(),translator->pos().y()));
|
|
if((translator->width()/2)+translator->pos().x() <= width()/2)
|
|
translatorAnimation->setEndValue(QPoint(-translator->width(),translator->pos().y()));
|
|
else
|
|
translatorAnimation->setEndValue(QPoint(width()+translator->width(),translator->pos().y()));
|
|
translatorAnimation->start();
|
|
this->setFocus(Qt::OtherFocusReason);
|
|
}
|
|
}
|
|
|
|
void Viewer::mousePressEvent ( QMouseEvent * event )
|
|
{
|
|
drag = true;
|
|
yDragOrigin = event->y();
|
|
xDragOrigin = event->x();
|
|
setCursor(Qt::ClosedHandCursor);
|
|
}
|
|
void Viewer::mouseReleaseEvent ( QMouseEvent * event )
|
|
{
|
|
drag = false;
|
|
setCursor(Qt::OpenHandCursor);
|
|
} |