Small improvements in drag&drop.

- dragging is now enabled in locationbar and websearchbar
- dragging site icon has now new pixmap

src/lib/navigation/locationbar.cpp

@@ -50,6 +50,7 @@ LocationBar::LocationBar(QupZilla* mainClass)
     , m_holdingAlt(false)
 {
     setObjectName("locationbar");
+    setDragEnabled(true);
 
     m_bookmarkIcon = new BookmarkIcon(p_QupZilla);
     m_goIcon = new GoIcon(this);

src/lib/navigation/siteicon.cpp

@@ -18,6 +18,7 @@
 #include "siteicon.h"
 #include "locationbar.h"
 #include "tabbedwebview.h"
+#include "globalfunctions.h"
 
 #include <QApplication>
 
@@ -41,7 +42,7 @@ void SiteIcon::contextMenuEvent(QContextMenuEvent* e)
 void SiteIcon::mousePressEvent(QMouseEvent* e)
 {
     if (e->buttons() & Qt::LeftButton) {
-        m_dragStartPosition = mapFromGlobal(e->globalPos());
+        m_dragStartPosition = e->pos();
     }
 
     // Prevent propagating to LocationBar
@@ -53,6 +54,7 @@ void SiteIcon::mousePressEvent(QMouseEvent* e)
 void SiteIcon::mouseMoveEvent(QMouseEvent* e)
 {
     if (!m_locationBar || !(e->buttons() & Qt::LeftButton)) {
+        ToolButton::mouseMoveEvent(e);
         return;
     }
 
@@ -62,14 +64,17 @@ void SiteIcon::mouseMoveEvent(QMouseEvent* e)
         return;
     }
 
+    QUrl url = m_locationBar->webView()->url();
+    QString title = m_locationBar->webView()->title();
+
     QDrag* drag = new QDrag(this);
     QMimeData* mime = new QMimeData;
-    mime->setUrls(QList<QUrl>() << m_locationBar->webView()->url());
-    mime->setText(m_locationBar->webView()->title());
+    mime->setUrls(QList<QUrl>() << url);
+    mime->setText(title);
     mime->setImageData(icon().pixmap(16, 16).toImage());
 
     drag->setMimeData(mime);
-    drag->setPixmap(icon().pixmap(16, 16));
+    drag->setPixmap(qz_createPixmapForSite(icon(), title, url.toString()));
 
     drag->exec();
 }

src/lib/navigation/websearchbar.cpp

@@ -56,6 +56,7 @@ WebSearchBar::WebSearchBar(QupZilla* mainClass, QWidget* parent)
     , m_reloadingEngines(false)
 {
     setObjectName("websearchbar");
+    setDragEnabled(true);
 
     m_buttonSearch = new WebSearchBar_Button(this);
 

src/lib/tools/globalfunctions.cpp

@@ -19,6 +19,7 @@
 
 #include <QByteArray>
 #include <QPixmap>
+#include <QPainter>
 #include <QBuffer>
 #include <QFile>
 #include <QDir>
@@ -261,6 +262,42 @@ QString qz_alignTextToWidth(const QString &string, const QString &text, const QF
     return returnString;
 }
 
+QPixmap qz_createPixmapForSite(const QIcon &icon, const QString &title, const QString &url)
+{
+    const QFontMetrics fontMetrics = QApplication::fontMetrics();
+    const int padding = 4;
+    const int maxWidth = fontMetrics.width(title.length() > url.length() ? title : url) + 3 * padding + 16;
+
+    const int width = qMin(maxWidth, 150);
+    const int height = fontMetrics.height() * 2 + fontMetrics.leading() + 2 * padding;
+
+    QPixmap pixmap(width, height);
+    QPainter painter(&pixmap);
+
+    // Draw background
+    QPen pen(Qt::black);
+    pen.setWidth(1);
+    painter.setPen(pen);
+
+    painter.fillRect(QRect(0, 0, width, height), Qt::white);
+    painter.drawRect(0, 0, width - 1, height - 1);
+
+    // Draw icon
+    QRect iconRect(0, 0, 16 + 2 * padding, height);
+    icon.paint(&painter, iconRect);
+
+    // Draw title
+    QRect titleRect(iconRect.width(), padding, width - padding - iconRect.width(), fontMetrics.height());
+    painter.drawText(titleRect, fontMetrics.elidedText(title, Qt::ElideRight, titleRect.width()));
+
+    // Draw url
+    QRect urlRect(titleRect.x(), titleRect.bottom() + fontMetrics.leading(), titleRect.width(), titleRect.height());
+    painter.setPen(QApplication::palette().color(QPalette::Link));
+    painter.drawText(urlRect, fontMetrics.elidedText(url, Qt::ElideRight, urlRect.width()));
+
+    return pixmap;
+}
+
 QString qz_buildSystem()
 {
 #ifdef Q_OS_LINUX

src/lib/tools/globalfunctions.h

@@ -22,6 +22,7 @@
 
 class QFontMetrics;
 class QPixmap;
+class QIcon;
 class QWidget;
 class QUrl;
 
@@ -46,6 +47,8 @@ QString QT_QUPZILLA_EXPORT qz_filterCharsFromFilename(const QString &name);
 
 QString QT_QUPZILLA_EXPORT qz_alignTextToWidth(const QString &string, const QString &text, const QFontMetrics &metrics, int width);
 
+QPixmap QT_QUPZILLA_EXPORT qz_createPixmapForSite(const QIcon &icon, const QString &title, const QString &url);
+
 QString QT_QUPZILLA_EXPORT qz_buildSystem();
 
 #endif // GLOBALFUNCTIONS_H