shell: disconnect old `accentColorChanged` signal when primary screen is changed

Otherwise there will be many redundant signal bindings.
4 years ago · 7761926a1b
parent c6b01d7f9e
commit 7761926a1b
1 changed files with 2 additions and 1 deletions
--- a/shell/shellcorona.cpp
+++ b/shell/shellcorona.cpp
@ -785,7 +785,8 @@ void ShellCorona::primaryScreenChanged(QScreen *oldPrimary, QScreen *newPrimary)
    // CHECK_SCREEN_INVARIANTS

    // refresh the accent color signal binding
-    connect(m_desktopViewForScreen[m_screenPool->primaryScreen()], &DesktopView::accentColorChanged, this, &ShellCorona::colorChanged);
+    disconnect(m_desktopViewForScreen.value(oldPrimary), &DesktopView::accentColorChanged, this, &ShellCorona::colorChanged);
+    connect(m_desktopViewForScreen.value(newPrimary), &DesktopView::accentColorChanged, this, &ShellCorona::colorChanged);
 }

 #ifndef NDEBUG