[Tab Bar] Resolve tab icon only if visible

[dolphin.git] / src / dolphintabwidget.cpp

diff --git a/src/dolphintabwidget.cpp b/src/dolphintabwidget.cpp
index defd089c16075cf48e1ca31e0a3779eb0aba7faf..bd0ee301f63426f31f57a3b80f86478f553a1796 100644 (file)
--- a/src/dolphintabwidget.cpp
+++ b/src/dolphintabwidget.cpp
@@ -161,6 +161,7 @@ void DolphinTabWidget::openNewTab(const QUrl& primaryUrl, const QUrl& secondaryU
     QWidget* focusWidget = QApplication::focusWidget();
 
     DolphinTabPage* tabPage = new DolphinTabPage(primaryUrl, secondaryUrl, this);
+    tabPage->setActive(false);
     tabPage->setPlacesSelectorVisible(m_placesSelectorVisible);
     connect(tabPage, &DolphinTabPage::activeViewChanged,
             this, &DolphinTabWidget::activeViewChanged);
@@ -170,7 +171,7 @@ void DolphinTabWidget::openNewTab(const QUrl& primaryUrl, const QUrl& secondaryU
     if (tabPlacement == AfterCurrentTab) {
         newTabIndex = currentIndex() + 1;
     }
-    insertTab(newTabIndex, tabPage, QIcon::fromTheme(KIO::iconNameForUrl(primaryUrl)), tabName(tabPage));
+    insertTab(newTabIndex, tabPage, QIcon() /* loaded in tabInserted */, tabName(tabPage));
 
     if (focusWidget) {
         // The DolphinViewContainer grabbed the keyboard focus. As the tab is opened
@@ -323,7 +324,12 @@ void DolphinTabWidget::tabUrlChanged(const QUrl& url)
     const int index = indexOf(qobject_cast<QWidget*>(sender()));
     if (index >= 0) {
         tabBar()->setTabText(index, tabName(tabPageAt(index)));
-        tabBar()->setTabIcon(index, QIcon::fromTheme(KIO::iconNameForUrl(url)));
+        if (tabBar()->isVisible()) {
+            tabBar()->setTabIcon(index, QIcon::fromTheme(KIO::iconNameForUrl(url)));
+        } else {
+            // Mark as dirty, actually load once the tab bar actually gets shown
+            tabBar()->setTabIcon(index, QIcon());
+        }
 
         // Emit the currentUrlChanged signal if the url of the current tab has been changed.
         if (index == currentIndex()) {
@@ -351,6 +357,13 @@ void DolphinTabWidget::tabInserted(int index)
     QTabWidget::tabInserted(index);
 
     if (count() > 1) {
+        // Resolve all pending tab icons
+        for (int i = 0; i < count(); ++i) {
+            if (tabBar()->tabIcon(i).isNull()) {
+                tabBar()->setTabIcon(i, QIcon::fromTheme(KIO::iconNameForUrl(tabPageAt(i)->activeViewContainer()->url())));
+            }
+        }
+
         tabBar()->show();
     }