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comctl32: Do not repaint on TBM_SETPOS if position is unchanged.

This commit is contained in:
Vincent Povirk 2008-11-15 21:50:54 -06:00 committed by Alexandre Julliard
parent 305e732e85
commit 00e2d897c2
2 changed files with 5 additions and 1 deletions
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4
dlls/comctl32/tests/trackbar.c
View File

@ -141,11 +141,13 @@ static const struct message position_test_seq[] = {
{ TBM_SETPOS, sent|wparam|lparam, TRUE, 5},
{ WM_PAINT, sent|defwinproc},
{ TBM_GETPOS, sent},
{ TBM_SETPOS, sent|wparam|lparam, TRUE, 5},
{ TBM_SETPOS, sent|wparam|lparam, TRUE, 1000},
{ WM_PAINT, sent|defwinproc},
{ TBM_GETPOS, sent},
{ TBM_SETPOS, sent|wparam|lparam, FALSE, 20},
{ TBM_GETPOS, sent},
{ TBM_SETPOS, sent|wparam|lparam, TRUE, 20},
{ TBM_GETPOS, sent},
{0}
};
@ -605,12 +607,14 @@ static void test_position(HWND hWndTrackbar){
SendMessage(hWndTrackbar, TBM_SETPOS, TRUE, 5);
r = SendMessage(hWndTrackbar, TBM_GETPOS, 0,0);
expect(5, r);
SendMessage(hWndTrackbar, TBM_SETPOS, TRUE, 5);
SendMessage(hWndTrackbar, TBM_SETPOS, TRUE, 1000);
r = SendMessage(hWndTrackbar, TBM_GETPOS, 0,0);
expect(100, r);
SendMessage(hWndTrackbar, TBM_SETPOS, FALSE, 20);
r = SendMessage(hWndTrackbar, TBM_GETPOS, 0,0);
expect(20, r);
SendMessage(hWndTrackbar, TBM_SETPOS, TRUE, 20);
/* test TBM_GETPOS */
r = SendMessage(hWndTrackbar, TBM_GETPOS, 0,0);

2
dlls/comctl32/trackbar.c
View File

@ -1148,7 +1148,7 @@ TRACKBAR_SetPos (TRACKBAR_INFO *infoPtr, BOOL fPosition, LONG lPosition)
infoPtr->lPos = infoPtr->lRangeMax;
infoPtr->flags |= TB_THUMBPOSCHANGED;
if (fPosition) TRACKBAR_InvalidateThumbMove(infoPtr, oldPos, lPosition);
if (fPosition && oldPos != lPosition) TRACKBAR_InvalidateThumbMove(infoPtr, oldPos, lPosition);
return 0;
}