[Tabs] Use theme icons for tab-new and tab-duplicate.

src/lib/app/qupzilla.cpp

@@ -389,7 +389,7 @@ void QupZilla::setupMenu()
      * File Menu *
      *************/
     m_menuFile = new QMenu(tr("&File"));
-    m_menuFile->addAction(QIcon(":/icons/menu/new-tab.png"), tr("New Tab"), MENU_RECEIVER, SLOT(addTab()))->setShortcut(QKeySequence("Ctrl+T"));
+    m_menuFile->addAction(QIcon::fromTheme("tab-new", QIcon(":/icons/menu/new-tab.png")), tr("New Tab"), MENU_RECEIVER, SLOT(addTab()))->setShortcut(QKeySequence("Ctrl+T"));
     m_menuFile->addAction(QIcon::fromTheme("window-new"), tr("&New Window"), MENU_RECEIVER, SLOT(newWindow()))->setShortcut(QKeySequence("Ctrl+N"));
     m_menuFile->addAction(QIcon::fromTheme("document-open-remote"), tr("Open Location"), MENU_RECEIVER, SLOT(openLocation()))->setShortcut(QKeySequence("Ctrl+L"));
     m_menuFile->addAction(QIcon::fromTheme("document-open"), tr("Open &File..."), MENU_RECEIVER, SLOT(openFile()))->setShortcut(QKeySequence("Ctrl+O"));

src/lib/webview/tabbar.cpp

@@ -127,7 +127,7 @@ void TabBar::contextMenuRequested(const QPoint &position)
     m_clickedTab = index;
 
     QMenu menu;
-    menu.addAction(QIcon(":/icons/menu/new-tab.png"), tr("&New tab"), p_QupZilla, SLOT(addTab()));
+    menu.addAction(QIcon::fromTheme("tab-new", QIcon(":/icons/menu/new-tab.png")), tr("&New tab"), p_QupZilla, SLOT(addTab()));
     menu.addSeparator();
     if (index != -1) {
         WebTab* webTab = qobject_cast<WebTab*>(m_tabWidget->widget(m_clickedTab));
@@ -141,7 +141,7 @@ void TabBar::contextMenuRequested(const QPoint &position)
             menu.addAction(qIconProvider->standardIcon(QStyle::SP_BrowserReload), tr("&Reload Tab"), this, SLOT(reloadTab()));
         }
 
-        menu.addAction(tr("&Duplicate Tab"), this, SLOT(duplicateTab()));
+        menu.addAction(QIcon::fromTheme("tab-duplicate"), tr("&Duplicate Tab"), this, SLOT(duplicateTab()));
         menu.addAction(webTab->isPinned() ? tr("Un&pin Tab") : tr("&Pin Tab"), this, SLOT(pinTab()));
         menu.addSeparator();
         menu.addAction(tr("Re&load All Tabs"), m_tabWidget, SLOT(reloadAllTabs()));

src/lib/webview/webview.cpp

@@ -923,7 +923,7 @@ void WebView::createPageContextMenu(QMenu* menu, const QPoint &pos)
         m_clickedFrame = frameAtPos;
         Menu* frameMenu = new Menu(tr("This frame"));
         frameMenu->addAction(tr("Show &only this frame"), this, SLOT(loadClickedFrame()));
-        Action* act = new Action(QIcon(":/icons/menu/new-tab.png"), tr("Show this frame in new &tab"));
+        Action* act = new Action(QIcon::fromTheme("tab-new", QIcon(":/icons/menu/new-tab.png")), tr("Show this frame in new &tab"));
         connect(act, SIGNAL(triggered()), this, SLOT(loadClickedFrameInNewTab()));
         connect(act, SIGNAL(middleClicked()), this, SLOT(loadClickedFrameInBgTab()));
         frameMenu->addAction(act);
@@ -966,7 +966,7 @@ void WebView::createLinkContextMenu(QMenu* menu, const QWebHitTestResult &hitTes
     }
 
     menu->addSeparator();
-    Action* act = new Action(QIcon(":/icons/menu/new-tab.png"), tr("Open link in new &tab"));
+    Action* act = new Action(QIcon::fromTheme("tab-new", QIcon(":/icons/menu/new-tab.png")), tr("Open link in new &tab"));
     act->setData(hitTest.linkUrl());
     connect(act, SIGNAL(triggered()), this, SLOT(userDefinedOpenUrlInNewTab()));
     connect(act, SIGNAL(middleClicked()), this, SLOT(userDefinedOpenUrlInBgTab()));