// Custom includes
#include <iostream>
+#include <boost/foreach.hpp>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QKeyEvent>
#include <QWebView>
#include <QWebFrame>
+#include <QApplication>
+#include <QClipboard>
//#include "PDFWidget.mpp"
#define prefix_
prefix_ pykit::PDFWidget::PDFWidget(QString const & id, QNetworkAccessManager * manager,
QWidget * parent)
- : QLabel(parent), id_ (id), manager_ (manager), currentPage_ (0), dpi_ (96.0), x_ (0), y_ (0)
+ : QLabel(parent), id_ (id), manager_ (manager), currentPage_ (0), rubberBand_ (0)
{
QWebView * webView (dynamic_cast<QWebView*>(parent));
if (webView && !id_.isEmpty())
- webView->page()->mainFrame()->addToJavaScriptWindowObject(id_,this);
+ webView->page()->mainFrame()->addToJavaScriptWindowObject(id_, this);
}
prefix_ pykit::PDFWidget::PDFWidget(QString const & id, QString const & document,
QNetworkAccessManager * manager, QWidget * parent)
- : QLabel(parent), id_ (id), manager_ (manager), currentPage_ (0), dpi_ (96.0), x_ (0), y_ (0)
+ : QLabel(parent), id_ (id), manager_ (manager), currentPage_ (0), rubberBand_ (0)
{
setFocusPolicy(Qt::WheelFocus);
document_.reset(Poppler::Document::load(document));
QWebView * webView (dynamic_cast<QWebView*>(parent));
if (webView && !id_.isEmpty())
- webView->page()->mainFrame()->addToJavaScriptWindowObject(id_,this);
+ webView->page()->mainFrame()->addToJavaScriptWindowObject(id_, this);
documentSetup();
}
-prefix_ void pykit::PDFWidget::load(QUrl const & url)
-{
- QNetworkRequest request (url);
- QNetworkReply * reply (manager_->get(request));
- connect(reply, SIGNAL(finished()), this, SLOT(netLoadDocument()));
-}
-
-prefix_ void pykit::PDFWidget::zoomIn()
-{
- zoomMode_ = Manual;
- double n (dpi_ + ZoomStepDpi);
- if (n > ZoomMaxDpi)
- n = ZoomMaxDpi;
- if (n != dpi_) {
- dpi_ = n;
- showPage();
- }
-}
-
-prefix_ void pykit::PDFWidget::zoomOut()
+prefix_ pykit::PDFWidget::~PDFWidget()
{
- zoomMode_ = Manual;
- double n (dpi_ - ZoomStepDpi);
- if (n < ZoomMinDpi)
- n = ZoomMinDpi;
- if (n != dpi_) {
- dpi_ = n;
- showPage();
- }
+ if (rubberBand_)
+ delete rubberBand_;
}
-prefix_ void pykit::PDFWidget::zoomDPI(double dpi)
-{
- zoomMode_ = Manual;
- if (dpi < ZoomMinDpi)
- dpi = ZoomMinDpi;
- if (dpi > ZoomMaxDpi)
- dpi = ZoomMaxDpi;
- if (dpi != dpi_) {
- dpi_ = dpi;
- showPage();
- }
-}
-prefix_ int pykit::PDFWidget::zoomWidth(int w)
-{
- zoomMode_ = Width;
- if (! document_)
- return 0;
- if (w == -1)
- w = width();
- QSizeF pageSize (document_->page(currentPage_)->pageSizeF());
- double n = 72.0 * w / pageSize.width();
- if (n > ZoomMaxDpi)
- n = ZoomMaxDpi;
- if (n < ZoomMinDpi)
- n = ZoomMinDpi;
- if (n != dpi_) {
- dpi_ = n;
- showPage();
- }
- return pageSize.height() * dpi_ / 72.0;
-}
-
-prefix_ int pykit::PDFWidget::zoomHeight()
+prefix_ void pykit::PDFWidget::load(QUrl const & url)
{
- zoomMode_ = Height;
- if (! document_)
- return 0;
- QSizeF pageSize (document_->page(currentPage_)->pageSizeF());
- double n = 72.0 * height() / pageSize.height();
- if (n > ZoomMaxDpi)
- n = ZoomMaxDpi;
- if (n < ZoomMinDpi)
- n = ZoomMinDpi;
- if (n != dpi_) {
- dpi_ = n;
- showPage();
- }
- return pageSize.width() * dpi_ / 72.0;
+ QNetworkRequest request (url);
+ QNetworkReply * reply (manager_->get(request));
+ connect(reply, SIGNAL(finished()), this, SLOT(netLoadDocument()));
}
-prefix_ void pykit::PDFWidget::zoomFit()
+prefix_ void pykit::PDFWidget::resizeEvent(QResizeEvent *)
{
- zoomMode_ = Fit;
if (! document_)
return;
QSizeF pageSize (document_->page(currentPage_)->pageSizeF());
- double xres = 72.0 * width() / pageSize.width();
- double yres = 72.0 * height() / pageSize.height();
- double n = xres < yres ? xres : yres;
- if (n > ZoomMaxDpi)
- n = ZoomMaxDpi;
- if (n < ZoomMinDpi)
- n = ZoomMinDpi;
+ double n = 72.0 * width() / pageSize.width();
if (n != dpi_) {
dpi_ = n;
showPage();
}
}
-prefix_ int pykit::PDFWidget::getPDFWidth()
+prefix_ void pykit::PDFWidget::mousePressEvent(QMouseEvent * event)
{
- if (! document_)
- return 0;
- QSizeF pageSize (document_->page(currentPage_)->pageSizeF());
- return pageSize.width() * dpi_ / 72.0;
+ origin_ = event->pos();
+ if (! rubberBand_)
+ rubberBand_ = new QRubberBand(QRubberBand::Rectangle, this);
+ rubberBand_->setGeometry(QRect(origin_, QSize()));
+ rubberBand_->show();
}
-prefix_ int pykit::PDFWidget::getPDFHeight()
+prefix_ void pykit::PDFWidget::mouseMoveEvent(QMouseEvent * event)
{
- if (! document_)
- return 0;
- QSizeF pageSize (document_->page(currentPage_)->pageSizeF());
- return pageSize.height() * dpi_ / 72.0;
+ if (rubberBand_)
+ rubberBand_->setGeometry(QRect(origin_, event->pos()).normalized());
}
-prefix_ void pykit::PDFWidget::resizeEvent(QResizeEvent *)
+prefix_ void pykit::PDFWidget::mouseReleaseEvent(QMouseEvent *)
{
- switch (zoomMode_) {
- case Manual:
- break;
- case Width:
- zoomWidth();
- break;
- case Height:
- zoomHeight();
- break;
- case Fit:
- zoomFit();
- break;
+ if (rubberBand_) {
+ QMatrix matrix (dpi_ / 72.0, 0, 0, dpi_ / 72.0, 0, 0);
+ QRectF rect (matrix.inverted().mapRect(QRect(rubberBand_->pos(), rubberBand_->size())));
+ QString text = document_->page(currentPage_)->text(rect);
+ if (! text.isEmpty())
+ QApplication::clipboard()->setText(text);
}
- showPage();
}
prefix_ void pykit::PDFWidget::netLoadDocument()
document_->setRenderHint(Poppler::Document::Antialiasing, true);
document_->setRenderHint(Poppler::Document::TextAntialiasing, true);
document_->setRenderHint(Poppler::Document::TextHinting, false);
- zoomFit();
+ resizeEvent(0);
+ Poppler::Page::SearchDirection dir (Poppler::Page::FromTop);
+ highlightAreas_.clear();
+ BOOST_FOREACH(QString const & str, highlightStrings_) {
+ QRectF highlightArea;
+ while (document_->page(currentPage_)->search(str, highlightArea, dir,
+ Poppler::Page::CaseInsensitive)) {
+ highlightAreas_.push_back(highlightArea);
+ dir = Poppler::Page::NextResult;
+ }
+ }
showPage();
}
+prefix_ void pykit::PDFWidget::highlightString(QString const & str)
+{
+ highlightStrings_.append(str);
+ documentSetup();
+}
+
prefix_ void pykit::PDFWidget::showPage()
{
if (! document_)
return;
QImage image (document_->page(currentPage_)->renderToImage(
- dpi_, dpi_, x_, y_, width(), height()));
+ dpi_, dpi_, 0, 0, width(), height()));
+ QMatrix matrix (dpi_ / 72.0, 0, 0, dpi_ / 72.0, 0, 0);
+
+ QPainter painter;
+ painter.begin(&image);
+ painter.setCompositionMode(QPainter::CompositionMode_Darken);
+ BOOST_FOREACH(QRectF const & highlightArea, highlightAreas_) {
+ QRect highlightRect = matrix.mapRect(highlightArea).toRect();
+ highlightRect.adjust(-2, -2, 2, 1);
+ painter.fillRect(highlightRect, QColor(244, 229, 0));
+ }
+ painter.end();
+
setPixmap(QPixmap::fromImage(image));
}
projects / pykit.git / blobdiff