Module: wine Branch: oldstable Commit: 29f4ac427f75a8513795dce719f79623f136511e URL: http://source.winehq.org/git/wine.git/?a=commit;h=29f4ac427f75a8513795dce71… Author: Nikolay Sivov <nsivov(a)codeweavers.com> Date: Thu Jan 12 17:22:25 2017 +0300 comctl32/trackbar: Fix TBM_SETRANGEMAX handling when new limit is less than current min boundary. Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> (cherry picked from commit bb1d68ede06c8b517ea16246e376a4a4e52bf1c5) Signed-off-by: Michael Stefaniuc <mstefani(a)winehq.org> --- dlls/comctl32/tests/trackbar.c | 26 ++++++++++++++++++++++++++ dlls/comctl32/trackbar.c | 5 +++-- 2 files changed, 29 insertions(+), 2 deletions(-) diff --git a/dlls/comctl32/tests/trackbar.c b/dlls/comctl32/tests/trackbar.c index 80d5906..381bfb8 100644 --- a/dlls/comctl32/tests/trackbar.c +++ b/dlls/comctl32/tests/trackbar.c @@ -775,6 +775,32 @@ static void test_range(void) SendMessageA(hWndTrackbar, TBM_GETTHUMBRECT, 0, (LPARAM)&rect1); ok(EqualRect(&rect1, &rect2), "thumb rectangle not updated\n"); + /* test position update on range change */ + + /* set to [20, 50], position at 30, reduce range to [20,25] */ + SendMessageA(hWndTrackbar, TBM_SETRANGEMIN, FALSE, 20); + SendMessageA(hWndTrackbar, TBM_SETRANGEMAX, FALSE, 50); + SendMessageA(hWndTrackbar, TBM_SETPOS, FALSE, 30); + SendMessageA(hWndTrackbar, TBM_SETRANGEMAX, FALSE, 25); + r = SendMessageA(hWndTrackbar, TBM_GETPOS, 0, 0); + ok(r == 25, "Unexpected position %d\n", r); + + /* set to [20, 50], position at 30, flip max to 10 */ + SendMessageA(hWndTrackbar, TBM_SETRANGEMIN, FALSE, 20); + SendMessageA(hWndTrackbar, TBM_SETRANGEMAX, FALSE, 50); + SendMessageA(hWndTrackbar, TBM_SETPOS, FALSE, 30); + SendMessageA(hWndTrackbar, TBM_SETRANGEMAX, FALSE, 10); + r = SendMessageA(hWndTrackbar, TBM_GETPOS, 0, 0); + ok(r == 20, "Unexpected position %d\n", r); + + /* set to [20, 50], position at 30, flip min to 70 */ + SendMessageA(hWndTrackbar, TBM_SETRANGEMIN, FALSE, 20); + SendMessageA(hWndTrackbar, TBM_SETRANGEMAX, FALSE, 50); + SendMessageA(hWndTrackbar, TBM_SETPOS, FALSE, 30); + SendMessageA(hWndTrackbar, TBM_SETRANGEMIN, FALSE, 70); + r = SendMessageA(hWndTrackbar, TBM_GETPOS, 0, 0); + ok(r == 70, "Unexpected position %d\n", r); + DestroyWindow(hWndTrackbar); } diff --git a/dlls/comctl32/trackbar.c b/dlls/comctl32/trackbar.c index 0e52212..b26d743 100644 --- a/dlls/comctl32/trackbar.c +++ b/dlls/comctl32/trackbar.c @@ -1279,10 +1279,11 @@ static inline LRESULT TRACKBAR_SetRangeMax (TRACKBAR_INFO *infoPtr, BOOL redraw, LONG lMax) { BOOL changed = infoPtr->lRangeMax != lMax; + LONG rightmost = max(lMax, infoPtr->lRangeMin); infoPtr->lRangeMax = lMax; - if (infoPtr->lPos > infoPtr->lRangeMax) { - infoPtr->lPos = infoPtr->lRangeMax; + if (infoPtr->lPos > rightmost) { + infoPtr->lPos = rightmost; infoPtr->flags |= TB_THUMBPOSCHANGED; }