Keeping track of current UI root

The current UI root should always be set explicitly before the UI
is accessed.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/periodic.c b/src/periodic.c
index 9e9dfdba..ab3b66e6 100644
--- a/src/periodic.c
+++ b/src/periodic.c
@@ -22,6 +22,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
 
 #include "periodic.h"
 #include "ui/widget.h"
+#include "ui/window.h"
 #include "app.h"
 
 #include <the_Foundation/string.h>
@@ -64,6 +65,7 @@ iBool dispatchCommands_Periodic(iPeriodic *d) {
     d->lastPostTime = now;
     iBool wasPosted = iFalse;
     lock_Mutex(d->mutex);
+    setCurrent_Root(&get_Window()->root);
     iConstForEach(Array, i, &d->commands.values) {
         const iPeriodicCommand *pc = i.value;
         const SDL_UserEvent ev = {
@@ -75,6 +77,7 @@ iBool dispatchCommands_Periodic(iPeriodic *d) {
         dispatchEvent_Widget(pc->context, (const SDL_Event *) &ev);
         wasPosted = iTrue;
     }
+    setCurrent_Root(NULL);
     unlock_Mutex(d->mutex);
     return wasPosted;
 }