Target setup page: Fix some glitches

- Make sure the "Manage" button is always enabled.
- Clear the list of possible build configs and collapse
  the details widget when a kit becomes unusable.
- Do not collapse the details widget when it gets selected.
- The "Details" button was sometimes grayed out when it shouldn't
  have been.

Change-Id: Ibc0f44213b633aebddfa7542d7dbdd0244df23f9
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/libs/utils/detailsbutton.h b/src/libs/utils/detailsbutton.h
index dabbe75918..3c7286e9ee 100644
--- a/src/libs/utils/detailsbutton.h
+++ b/src/libs/utils/detailsbutton.h
@@ -71,6 +71,7 @@ public:
 protected:
     void paintEvent(QPaintEvent *e) override;
     bool event(QEvent *e) override;
+    void changeEvent(QEvent *e) override;
 
 private:
     QPixmap cacheRendering(const QSize &size, bool checked);