void TabBar::showTabPreview() { if (m_isFirstTimeOnTab) m_isFirstTimeOnTab = false; //delete previous tab preview delete m_previewPopup.data(); m_previewPopup.clear(); MainView *mv = qobject_cast<MainView *>(parent()); WebTab *indexedTab = mv->webTab(m_currentTabPreviewIndex); WebTab *currentTab = mv->webTab(currentIndex()); // check if view && currentView exist before using them :) if (!currentTab || !indexedTab) return; // no previews during load if (indexedTab->isPageLoading()) return; // Make sure the hovered webtab match the current size // Only the active one is updated by window resize events indexedTab->resize(currentTab->size()); m_previewPopup = new TabPreviewPopup(indexedTab , this); int tabWidth = tabSizeHint(m_currentTabPreviewIndex).width(); int tabBarWidth = mv->size().width(); int leftIndex = tabRect(m_currentTabPreviewIndex).x() + (tabRect(m_currentTabPreviewIndex).width() - tabWidth) / 2; int popupWidth = m_previewPopup.data()->thumbnailSize().width(); // Center the popup if the tab width is bigger or smaller leftIndex += (tabWidth - popupWidth) / 2; if (leftIndex < 0) { leftIndex = 0; } else if (leftIndex + tabWidth > tabBarWidth) { leftIndex = tabBarWidth - tabWidth; } QPoint pos(leftIndex, tabRect(m_currentTabPreviewIndex).y() + tabRect(m_currentTabPreviewIndex).height()); m_previewPopup.data()->show(mapToGlobal(pos)); }
void TabBar::showTabPreview() { //delete previous tab preview delete m_previewPopup.data(); m_previewPopup.clear(); MainView *mv = qobject_cast<MainView *>(parent()); WebTab *indexedTab = mv->webTab(m_currentTabPreviewIndex); WebTab *currentTab = mv->webTab(currentIndex()); // check if view && currentView exist before using them :) if (!currentTab || !indexedTab) return; // no previews during load if (indexedTab->isPageLoading()) return; int w = tabSizeHint(m_currentTabPreviewIndex).width(); int h = w * ((0.0 + currentTab->height()) / currentTab->width()); m_previewPopup = new KPassivePopup(this); m_previewPopup.data()->setFrameShape(QFrame::StyledPanel); m_previewPopup.data()->setFrameShadow(QFrame::Plain); m_previewPopup.data()->setFixedSize(w, h); QLabel *l = new QLabel(); l->setPixmap( WebSnap::renderTabPreview(*indexedTab->page(), w, h) ); m_previewPopup.data()->setView(l); m_previewPopup.data()->layout()->setAlignment(Qt::AlignTop); m_previewPopup.data()->layout()->setMargin(0); QPoint pos(tabRect(m_currentTabPreviewIndex).x() , tabRect(m_currentTabPreviewIndex).y() + tabRect(m_currentTabPreviewIndex).height()); m_previewPopup.data()->show(mapToGlobal(pos)); }