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Simplified Area scrolling code a small bit; no bugfix though

This commit is contained in:
Pietro Gagliardi 2014-08-28 15:20:16 -04:00
parent 2e4ede72cf
commit 5ec4108cd0
1 changed files with 1 additions and 19 deletions
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20
redo/area_windows.c
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@ -234,25 +234,7 @@ static void scrollArea(HWND hwnd, void *data, WPARAM wParam, int which)
dy = delta; dy = delta;
} }
// first move the edit control, if any, to avoid artifacting // this automatically scrolls the edit control, if any
if ((HWND) GetWindowLongPtrW(hwnd, 0) != NULL) {
HWND edit;
int x, y;
edit = (HWND) GetWindowLongPtrW(hwnd, 0);
x = (int) GetWindowLongPtrW(hwnd, sizeof (LONG_PTR));
y = (int) GetWindowLongPtrW(hwnd, 2 * sizeof (LONG_PTR));
x += dx;
y += dy;
if (SetWindowPos(edit, NULL, x, y, 0, 0, SWP_NOSIZE | SWP_NOZORDER) == 0)
xpanic("error moving Area TextField in response to scroll", GetLastError());
SetWindowLongPtrW(hwnd, sizeof (LONG_PTR), (LONG_PTR) x);
SetWindowLongPtrW(hwnd, 2 * sizeof (LONG_PTR), (LONG_PTR) y);
// TODO doesn't work?
if (InvalidateRect(edit, NULL, TRUE) == 0)
xpanic("error marking Area TextField as needing redraw", GetLastError());
}
if (ScrollWindowEx(hwnd, if (ScrollWindowEx(hwnd,
(int) dx, (int) dy, (int) dx, (int) dy,
// these four change what is scrolled and record info about the scroll; we're scrolling the whole client area and don't care about the returned information here // these four change what is scrolled and record info about the scroll; we're scrolling the whole client area and don't care about the returned information here