fix assertion when id is -1

8 years ago · 80f2199774
parent 34fe77dbf2
commit 80f2199774
1 changed files with 6 additions and 2 deletions
--- a/app/dockcorona.cpp
+++ b/app/dockcorona.cpp
@ -222,10 +222,14 @@ QRegion DockCorona::availableScreenRegion(int id) const
 {
    const auto screens = qGuiApp->screens();
    const QScreen *screen{qGuiApp->primaryScreen()};
-    QString scrName = m_screenPool->connector(id);
+
+    QString screenName;
+
+    if (m_screenPool->knownIds().contains(id))
+        screenName = m_screenPool->connector(id);

    foreach (auto scr, screens) {
-        if (scr->name() == scrName) {
+        if (scr->name() == screenName) {
            screen = scr;
            break;
        }