Showing tab previews on ToolTip event now.

- added Alexander Samilov into contributors

AUTHORS

@@ -5,6 +5,7 @@ David Rosca <nowrep@gmail.com>
 Contributors:
 
 Mladen Pejaković      <pejakm@gmail.com>                (webview context menu improvements, speed dial background)
+Alexander Samilov     <alexsamilovskih@gmail.com>       (tab previews)
 Bryan M Dunsmore      <dunsmoreb@gmail.com>             (opening background tabs, closing window when closing last tab)
 Mariusz Fik           <fisiu@opensuse.org>              (fixed tab order in preferences dialog)
 Daniele Cocca         <jmc@chakra-project.org>          (close tabs with middle click, initial work on speed dial)

TODO

@@ -10,7 +10,6 @@ The list is not sorted by priority.
 * Password Manager: save more than one account for site + input completer
 * New LocationBar completer
 * (KDE) Nepomuk integration
-* Page previews as tooltip on tabs (like Opera)
 * Support for remote Web inspector
 * option to save RSS feeds in external reader
 * Session manager

src/lib/network/qupzillaschemehandler.cpp

@@ -203,6 +203,7 @@ QString QupZillaSchemeReply::aboutPage()
         aPage.replace("%CONTRIBUTORS%", tr("Contributors"));
         aPage.replace("%CONTRIBUTORS-TEXT%",
                       authorString("Mladen Pejaković", "pejakm@gmail.com") + "<br/>" +
+                      authorString("Alexander Samilov", "alexsamilovskih@gmail.com") + "<br/>" +
                       authorString("Bryan M Dunsmore", "dunsmoreb@gmail.com") + "<br/>" +
                       authorString("Mariusz Fik", "fisiu@opensuse.org") + "<br/>" +
                       authorString("Jan Rajnoha", "honza.rajny@hotmail.com")  + "<br/>" +

src/lib/other/aboutdialog.cpp

@@ -79,6 +79,7 @@ void AboutDialog::showAuthors()
         m_authorsHtml += tr("<p><b>Main developer:</b><br/>%1 &lt;%2&gt;</p>").arg(QupZilla::AUTHOR, "<a href=mailto:nowrep@gmail.com>nowrep@gmail.com</a>");
         m_authorsHtml += tr("<p><b>Contributors:</b><br/>%1</p>").arg(
                              QString::fromUtf8("Mladen Pejaković<br/>"
+                                               "Alexander Samilov<br/>"
                                                "Bryan M Dunsmore<br/>"
                                                "Mariusz Fik<br/>"
                                                "Jan Rajnoha<br/>"

src/lib/webview/tabbar.cpp

@@ -50,7 +50,6 @@ TabBar::TabBar(QupZilla* mainClass, TabWidget* tabWidget)
     , m_tabPreview(new TabPreview(mainClass, tabWidget))
     , m_clickedTab(0)
     , m_pinnedTabsCount(0)
-    , m_currentTabPreview(-1)
     , m_normalTabWidth(0)
     , m_lastTabWidth(0)
     , m_adjustingLastTab(false)
@@ -119,7 +118,7 @@ void TabBar::setVisible(bool visible)
         emit hideButtons();
     }
 
-    m_tabPreview->setVisible(false);
+    hideTabPreview(false);
 
     QTabBar::setVisible(visible);
 }
@@ -360,14 +359,14 @@ int TabBar::normalTabsCount()
 
 void TabBar::showTabPreview()
 {
-    WebTab* webTab = qobject_cast<WebTab*>(m_tabWidget->widget(m_currentTabPreview));
+    WebTab* webTab = qobject_cast<WebTab*>(m_tabWidget->widget(m_tabPreview->previewIndex()));
     if (!webTab) {
         return;
     }
 
     m_tabPreviewTimer->stop();
-    m_tabPreview->setWebTab(webTab, m_currentTabPreview == currentIndex());
-    m_tabPreview->showOnRect(tabRect(m_currentTabPreview));
+    m_tabPreview->setWebTab(webTab, m_tabPreview->previewIndex() == currentIndex());
+    m_tabPreview->showOnRect(tabRect(m_tabPreview->previewIndex()));
 }
 
 void TabBar::hideTabPreview(bool delayed)
@@ -378,8 +377,6 @@ void TabBar::hideTabPreview(bool delayed)
     else {
         m_tabPreview->hideAnimated();
     }
-
-    m_currentTabPreview = -1;
 }
 
 void TabBar::mouseDoubleClickEvent(QMouseEvent* event)
@@ -398,6 +395,8 @@ void TabBar::mouseDoubleClickEvent(QMouseEvent* event)
 
 void TabBar::mousePressEvent(QMouseEvent* event)
 {
+    hideTabPreview(false);
+
     if (mApp->plugins()->processMousePress(Qz::ON_TabBar, this, event)) {
         return;
     }
@@ -430,14 +429,11 @@ void TabBar::mouseMoveEvent(QMouseEvent* event)
 
     const int tab = tabAt(event->pos());
 
-    if (tab != -1 && tab != m_currentTabPreview && event->buttons() == Qt::NoButton && m_dragStartPosition.isNull()) {
-        m_currentTabPreview = tab;
+    if (tab != -1 && tab != m_tabPreview->previewIndex() && event->buttons() == Qt::NoButton && m_dragStartPosition.isNull()) {
+        m_tabPreview->setPreviewIndex(tab);
         if (m_tabPreview->isVisible()) {
             showTabPreview();
         }
-        else {
-            QTimer::singleShot(200, this, SLOT(showTabPreview()));
-        }
     }
 
     QTabBar::mouseMoveEvent(event);
@@ -473,11 +469,16 @@ void TabBar::mouseReleaseEvent(QMouseEvent* event)
     QTabBar::mouseReleaseEvent(event);
 }
 
-void TabBar::leaveEvent(QEvent* event)
+bool TabBar::event(QEvent *event)
 {
-    hideTabPreview();
+    if (event->type() == QEvent::Leave) {
+        hideTabPreview();
+    }
+    else if (event->type() == QEvent::ToolTip && !m_tabPreview->isVisible()) {
+        showTabPreview();
+    }
 
-    QTabBar::leaveEvent(event);
+    return QTabBar::event(event);
 }
 
 void TabBar::wheelEvent(QWheelEvent* event)

src/lib/webview/tabbar.h

@@ -59,8 +59,6 @@ signals:
     void showButtons();
     void hideButtons();
 
-public slots:
-
 private slots:
     void currentTabChanged(int index);
     void pinnedTabAdded();
@@ -84,8 +82,8 @@ private:
     void mousePressEvent(QMouseEvent* event);
     void mouseMoveEvent(QMouseEvent* event);
     void mouseReleaseEvent(QMouseEvent* event);
-    void leaveEvent(QEvent* event);
     void wheelEvent(QWheelEvent* event);
+    bool event(QEvent *event);
 
     void dragEnterEvent(QDragEnterEvent* event);
     void dropEvent(QDropEvent* event);
@@ -105,7 +103,6 @@ private:
 
     int m_clickedTab;
     int m_pinnedTabsCount;
-    int m_currentTabPreview;
 
     int m_normalTabWidth;
     int m_lastTabWidth;

src/lib/webview/tabpreview.cpp

@@ -35,6 +35,7 @@ TabPreview::TabPreview(QupZilla* mainClass, QWidget* parent)
     , p_QupZilla(mainClass)
     , m_pixmap(new QLabel)
     , m_title(new QLabel)
+    , m_previewIndex(-1)
     , m_animationsEnabled(true)
 {
     m_pixmap->setAlignment(Qt::AlignHCenter);
@@ -63,6 +64,16 @@ TabPreview::TabPreview(QupZilla* mainClass, QWidget* parent)
     m_opacityEffect->setOpacity(0.0);
 }
 
+int TabPreview::previewIndex()
+{
+    return m_previewIndex;
+}
+
+void TabPreview::setPreviewIndex(int index)
+{
+    m_previewIndex = index;
+}
+
 void TabPreview::setWebTab(WebTab* webTab, bool noPixmap)
 {
     if (webTab->isRestored() && !webTab->isLoading() && !noPixmap) {
@@ -102,6 +113,7 @@ void TabPreview::hideAnimated()
 
 void TabPreview::hide()
 {
+    m_previewIndex = -1;
     disconnect(m_opacityAnimation, SIGNAL(finished()), this, SLOT(hide()));
 
     QFrame::hide();

src/lib/webview/tabpreview.h

@@ -37,6 +37,9 @@ public:
     void setWebTab(WebTab* webTab, bool noPixmap);
     void showOnRect(const QRect &rect);
 
+    int previewIndex();
+    void setPreviewIndex(int index);
+
     void setAnimationsEnabled(bool enabled);
 
 public slots:
@@ -57,6 +60,7 @@ private:
     QLabel* m_pixmap;
     QLabel* m_title;
 
+    int m_previewIndex;
     bool m_animationsEnabled;
     QPropertyAnimation* m_animation;
     QPropertyAnimation* m_opacityAnimation;