add QWebInspector and debug config option

[pykit.git] / PDFWidget.cc

diff --git a/PDFWidget.cc b/PDFWidget.cc
index 76c559d..6998d1e 100644 (file)
--- a/PDFWidget.cc
+++ b/PDFWidget.cc
@@ -13,23 +13,46 @@
 #include <iostream>
 #include <QNetworkRequest>
 #include <QNetworkReply>
+#include <QKeyEvent>
+#include <QWebView>
+#include <QWebFrame>
+#include <QApplication>
+#include <QClipboard>
 
 //#include "PDFWidget.mpp"
 #define prefix_
 ///////////////////////////////cc.p////////////////////////////////////////
 
-prefix_ pykit::PDFWidget::PDFWidget(QNetworkAccessManager * manager, QWidget * parent)
-    : QLabel(parent), manager_ (manager), currentPage_ (0)
-{}
-
-prefix_ pykit::PDFWidget::PDFWidget(QString const & document, QNetworkAccessManager * manager,
+prefix_ pykit::PDFWidget::PDFWidget(QString const & id, QNetworkAccessManager * manager,
                                     QWidget * parent)
-    : QLabel(parent), manager_ (manager), currentPage_ (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);
+}
+
+prefix_ pykit::PDFWidget::PDFWidget(QString const & id, QString const & document,
+                                    QNetworkAccessManager * manager, QWidget * parent)
+    : QLabel(parent), id_ (id), manager_ (manager), currentPage_ (0), rubberBand_ (0)
+
 {
+    setFocusPolicy(Qt::WheelFocus);
     document_.reset(Poppler::Document::load(document));
-    showPage();
+    QWebView * webView (dynamic_cast<QWebView*>(parent));
+    if (webView && !id_.isEmpty())
+        webView->page()->mainFrame()->addToJavaScriptWindowObject(id_,this);
+    documentSetup();
+}
+
+prefix_ pykit::PDFWidget::~PDFWidget()
+{
+    if (rubberBand_)
+        delete rubberBand_;
 }
 
+
 prefix_ void pykit::PDFWidget::load(QUrl const & url)
 {
     QNetworkRequest request (url);
@@ -37,6 +60,44 @@ prefix_ void pykit::PDFWidget::load(QUrl const & url)
     connect(reply, SIGNAL(finished()), this, SLOT(netLoadDocument()));
 }
 
+prefix_ void pykit::PDFWidget::resizeEvent(QResizeEvent *)
+{
+    if (! document_)
+        return;
+    QSizeF pageSize (document_->page(currentPage_)->pageSizeF());
+    double n = 72.0 * width() / pageSize.width();
+    if (n != dpi_) {
+        dpi_ = n;
+        showPage();
+    }
+}
+
+prefix_ void pykit::PDFWidget::mousePressEvent(QMouseEvent * event)
+{
+    origin_ = event->pos();
+    if (! rubberBand_)
+        rubberBand_ = new QRubberBand(QRubberBand::Rectangle, this);
+    rubberBand_->setGeometry(QRect(origin_, QSize()));
+    rubberBand_->show();
+}
+
+prefix_ void pykit::PDFWidget::mouseMoveEvent(QMouseEvent * event)
+{
+    if (rubberBand_)
+        rubberBand_->setGeometry(QRect(origin_, event->pos()).normalized());
+}
+
+prefix_ void pykit::PDFWidget::mouseReleaseEvent(QMouseEvent * event)
+{
+    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);
+    }
+}
+
 prefix_ void pykit::PDFWidget::netLoadDocument()
 {
     QNetworkReply * reply = static_cast<QNetworkReply*>(sender());
@@ -44,16 +105,27 @@ prefix_ void pykit::PDFWidget::netLoadDocument()
         return;
     QByteArray data (reply->read(reply->size()));
     document_.reset(Poppler::Document::loadFromData(data));
-    showPage();
+    documentSetup();
     reply->deleteLater();
 }
 
+prefix_ void pykit::PDFWidget::documentSetup()
+{
+    if (! document_)
+        return;
+    document_->setRenderHint(Poppler::Document::Antialiasing, true);
+    document_->setRenderHint(Poppler::Document::TextAntialiasing, true);
+    document_->setRenderHint(Poppler::Document::TextHinting, false);
+    resizeEvent(0);
+    showPage();
+}
+
 prefix_ void pykit::PDFWidget::showPage()
 {
     if (! document_)
         return;
     QImage image (document_->page(currentPage_)->renderToImage(
-                      physicalDpiX(), physicalDpiY()));
+                      dpi_, dpi_, 0, 0, width(), height()));
     setPixmap(QPixmap::fromImage(image));
 }
 
@@ -69,5 +141,5 @@ prefix_ void pykit::PDFWidget::showPage()
 // c-file-style: "j32"
 // indent-tabs-mode: nil
 // ispell-local-dictionary: "american"
-// compile-command: "scons -U"
+// compile-command: "make"
 // End: