fix: activate window when opening files

If the main window is minimized, open new files should bring the
main window to the front end, not just open files in the background.

Change-Id: I27180b66d4596bff038258cee4a950d4fd635c3f

.gitignore

@@ -10,3 +10,5 @@ build/
 *.qm
 *.autosave
 *.txt.user
+
+.vscode/*

src/startmanager.cpp

@@ -125,7 +125,9 @@ void StartManager::openFilesInTab(QStringList files)
             }
             // Open file tab in first window of window list.
             else {
-                m_windows[0]->addTab(file);
+                Window *window = m_windows[0];
+                window->addTab(file);
+                window->activateWindow();
 
                 qDebug() << "Open " << file << " in first window";
             }
@@ -196,7 +198,9 @@ void StartManager::initWindowPosition(Window *window, bool alwaysCenter)
 
 void StartManager::popupExistTabs(FileTabInfo info)
 {
-    m_windows[info.windowIndex]->activeTab(info.tabIndex);
+    Window *window = m_windows[info.windowIndex];
+    window->activeTab(info.tabIndex);
+    window->activateWindow();
 }
 
 StartManager::FileTabInfo StartManager::getFileTabInfo(QString file)