QMacStyle: Set WA_MacShowFocusRect for checkbox, radio button

This fixes small and mini checkbox and radio button
focus rings since the previous HITheme removal patch
(90c9370d5098db95). But also allows to properly draw
the focus ring outside the widget's boundaries, as
it's common in macOS.

More importantly, we pave the way to use QFocusFrame
for most widgets and, eventually, implement the focus
ring animation.

Finally, we tweak the spacing between the indicators
and their respective label.

Change-Id: I4bf7ac1a06ce924a043f0365e487777d0b20a104
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>

2 files changed, 2 insertions, 0 deletions

diff --git a/src/widgets/widgets/qcheckbox.cpp b/src/widgets/widgets/qcheckbox.cpp
index 235508535d..81bfd3af35 100644
--- a/src/widgets/widgets/qcheckbox.cpp
+++ b/src/widgets/widgets/qcheckbox.cpp
@@ -147,6 +147,7 @@ void QCheckBoxPrivate::init()
     q->setCheckable(true);
     q->setMouseTracking(true);
     q->setForegroundRole(QPalette::WindowText);
+    q->setAttribute(Qt::WA_MacShowFocusRect);
     setLayoutItemMargins(QStyle::SE_CheckBoxLayoutItem);
 }
 
diff --git a/src/widgets/widgets/qradiobutton.cpp b/src/widgets/widgets/qradiobutton.cpp
index dfba32d3e8..fd8922ed28 100644
--- a/src/widgets/widgets/qradiobutton.cpp
+++ b/src/widgets/widgets/qradiobutton.cpp
@@ -72,6 +72,7 @@ void QRadioButtonPrivate::init()
     q->setAutoExclusive(true);
     q->setMouseTracking(true);
     q->setForegroundRole(QPalette::WindowText);
+    q->setAttribute(Qt::WA_MacShowFocusRect);
     setLayoutItemMargins(QStyle::SE_RadioButtonLayoutItem);
 }