From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sun, 4 Mar 2012 00:29:37 +0000 (+0000)
Subject: Correct mouse event coordinates in wxMSW wxUIActionSimulator.
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/0c827c6eefd368a9c500a7d87fe4e37e29c5ebf4

Correct mouse event coordinates in wxMSW wxUIActionSimulator.

The rounding of the floating point division was not done quite correctly.

Closes #13383.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70797 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/src/msw/uiaction.cpp b/src/msw/uiaction.cpp
index 56ea8fa3a9..2210395445 100644
--- a/src/msw/uiaction.cpp
+++ b/src/msw/uiaction.cpp
@@ -65,8 +65,8 @@ bool wxUIActionSimulator::MouseMove(long x, long y)
     int displayx, displayy;
     wxDisplaySize(&displayx, &displayy);
 
-    int scaledx = wxRound(((float)x / displayx) * 65535);
-    int scaledy = wxRound(((float)y / displayy) * 65535);
+    int scaledx = std::ceil((float)x * 65535.0 / (displayx-1));
+    int scaledy = std::ceil((float)y * 65535.0 / (displayy-1));
     mouse_event(MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE, scaledx, scaledy, 0, 0);
 
     return true;