Touch: Notify widget when tap is about to begin

Notify when hover state should be updated again after scrolling.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/app.h b/src/app.h
index 4d09f5da..4eae7afd 100644
--- a/src/app.h
+++ b/src/app.h
@@ -57,6 +57,10 @@ enum iUserEventCode {
     command_UserEventCode = 1,
     refresh_UserEventCode = 2,
     asleep_UserEventCode = 3,
+    /* The start of a potential touch tap event is notified via a custom event because
+       sending SDL_MOUSEBUTTONDOWN would be premature: we don't know how long the tap will
+       take, it could turn into a tap-and-hold for example. */
+    widgetTapBegins_UserEventCode = 4,
 };
 
 const iString *execPath_App     (void);