From 03921902b2a07909e7f36e6c8fb259eff4bad982 Mon Sep 17 00:00:00 2001 From: Eli Zaretskii Date: Mon, 21 Oct 2019 13:32:40 +0300 Subject: [PATCH] ; Add commentary to w32inevt.c * src/w32inevt.c (do_mouse_event): Comment on mouse coordinates in console mouse-wheel events. --- src/w32inevt.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/w32inevt.c b/src/w32inevt.c index 1a901d4e0aa..4312e52b6b4 100644 --- a/src/w32inevt.c +++ b/src/w32inevt.c @@ -534,6 +534,12 @@ do_mouse_event (MOUSE_EVENT_RECORD *event, case MOUSE_HWHEELED: { struct frame *f = get_frame (); + /* Mouse positions in console wheel events are reported to + ReadConsoleInput relative to the display's top-left + corner(!), not relative to the origin of the console screen + buffer. This makes these coordinates unusable; e.g., + scrolling the tab-line in general doesn't work. + FIXME (but how?). */ int mx = event->dwMousePosition.X, my = event->dwMousePosition.Y; bool down_p = (event->dwButtonState & 0x10000000) != 0; -- 2.39.2