[reactos] 02/02: [USER32] Edit: Fix rectangle overflow when inserting characters

[Stanislav Motylkov]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=40dab7d5e5823ef910f183...

commit 40dab7d5e5823ef910f1837f72dc37d916d811ef
Author:     Stanislav Motylkov [e-mail]
AuthorDate: Wed Mar 20 02:42:09 2019 +0300
Commit:     Hermès BÉLUSCA - MAÏTO [e-mail]
CommitDate: Sat Mar 23 15:52:43 2019 +0100

[USER32] Edit: Fix rectangle overflow when inserting characters

Based on patch by JIRA contributor 'I_Kill_Bugs'. CORE-11475
---
 win32ss/user/user32/controls/edit.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/win32ss/user/user32/controls/edit.c b/win32ss/user/user32/controls/edit.c
index 70bdd1d40d..2f2da0f446 100644
--- a/win32ss/user/user32/controls/edit.c
+++ b/win32ss/user/user32/controls/edit.c
@@ -805,7 +805,11 @@ static void EDIT_BuildLineDefs_ML(EDITSTATE *es, INT istart, INT iend, INT delta
    	if ((es->style & ES_CENTER) || (es->style & ES_RIGHT))
    		rc.left = es->format_rect.left;
    	else
+#ifdef __REACTOS__ /* CORE-11475 */
+			rc.left = (short)LOWORD(EDIT_EM_PosFromChar(es, nstart_index, FALSE));
+#else
                         rc.left = LOWORD(EDIT_EM_PosFromChar(es, nstart_index, FALSE));
+#endif
    	rc.right = es->format_rect.right;
    	SetRectRgn(hrgn, rc.left, rc.top, rc.right, rc.bottom);