Cursor PreviousLine should respect the top margin

From esctest: CPLTests.test_CPL_StopsAtTopMarginInScrollRegion
5 years ago · 717b615ab6
parent d2437fbb2b
commit 717b615ab6
1 changed files with 2 additions and 1 deletions
--- a/src/Screen.cpp
+++ b/src/Screen.cpp
@ -155,7 +155,8 @@ void Screen::cursorPreviousLine(int n)
        n = 1; // Default
    }
    _cuX = 0;
-    _cuY = qMax(0, _cuY - n);
+    const int stop = _cuY < _topMargin ? 0 : _topMargin;
+    _cuY = qMax(stop, _cuY - n);
 }

 void Screen::cursorRight(int n)