From 586d4b3ed3406b66e3d0bd69806bc33beaddc026 Mon Sep 17 00:00:00 2001
From: Dilshod Mukhtarov <dilshodm@gmail.com>
Date: Sun, 27 Jan 2019 23:10:37 +0400
Subject: [PATCH 2/2] libavdevice/gdigrab: fix HIDPI support for mouse
positioning
Mouse position was not calculated properly in area or window mode
Signed-off-by: Dilshod Mukhtarov <dilshodm@gmail.com>
---
libavdevice/gdigrab.c | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)
@@ -479,25 +479,26 @@ static void paint_mouse_pointer(AVFormatContext *s1, struct gdigrab *gdigrab)
goto icon_error;
}
- pos.x = ci.ptScreenPos.x - clip_rect.left - info.xHotspot;
- pos.y = ci.ptScreenPos.y - clip_rect.top - info.yHotspot;
-
if (hwnd) {
RECT rect;
if (GetWindowRect(hwnd, &rect)) {
- pos.x -= rect.left;
- pos.y -= rect.top;
+ pos.x = ci.ptScreenPos.x - clip_rect.left - info.xHotspot - rect.left;
+ pos.y = ci.ptScreenPos.y - clip_rect.top - info.yHotspot - rect.top;
+
+ //that would keep the correct location of mouse with hidpi screens
+ pos.x = pos.x * desktophorzres / horzres;
+ pos.y = pos.y * desktopvertres / vertres;
} else {
CURSOR_ERROR("Couldn't get window rectangle");
goto icon_error;
}
+ } else {
+ //that would keep the correct location of mouse with hidpi screens
+ pos.x = ci.ptScreenPos.x * desktophorzres / horzres - clip_rect.left - info.xHotspot;
+ pos.y = ci.ptScreenPos.y * desktopvertres / vertres - clip_rect.top - info.yHotspot;
}
- //that would keep the correct location of mouse with hidpi screens
- pos.x = pos.x * desktophorzres / horzres;
- 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);
--
2.17.1