From c1c5425bbaf9d5f6ccdcdfede5c5f5aa2629a79e Mon Sep 17 00:00:00 2001 From: Metaksakis Georgios Date: Fri, 12 Feb 2016 10:15:48 +0200 Subject: [PATCH] mouse dpi awareness correct mouse location on hidpi screens. fixes ticket #5008 --- libavdevice/gdigrab.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavdevice/gdigrab.c b/libavdevice/gdigrab.c index 4428a34..cc7e39a 100644 --- a/libavdevice/gdigrab.c +++ b/libavdevice/gdigrab.c @@ -431,6 +431,8 @@ error: static void paint_mouse_pointer(AVFormatContext *s1, struct gdigrab *gdigrab) { CURSORINFO ci = {0}; + int vertres = GetDeviceCaps(gdigrab->source_hdc, VERTRES); + int desktopvertres = GetDeviceCaps(gdigrab->source_hdc, DESKTOPVERTRES); #define CURSOR_ERROR(str) \ if (!gdigrab->cursor_error_printed) { \ @@ -479,6 +481,10 @@ static void paint_mouse_pointer(AVFormatContext *s1, struct gdigrab *gdigrab) } } + //that would keep the correct location of mouse with hidpi screens + pos.x = pos.x * desktopvertres / vertres; + pos.y = pos.y * desktopvertres / vertres; + av_log(s1, AV_LOG_DEBUG, "Cursor pos (%li,%li) -> (%li,%li)\n", ci.ptScreenPos.x, ci.ptScreenPos.y, pos.x, pos.y); -- 2.6.2.windows.1