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comdlg32: Clamp hue and saturation when clicking in colour graph in colour dialog.

This commit is contained in:
Divan Burger 2008-01-07 18:44:10 +02:00 committed by Alexandre Julliard
parent 19ed584903
commit 8a0dab38c8
1 changed files with 21 additions and 16 deletions
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37
dlls/comdlg32/colordlg.c
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@ -337,24 +337,29 @@ static int CC_MouseCheckColorGraph( HWND hDlg, int dlgitem, int *hori, int *vert
ClientToScreen(hDlg, &point);
hwnd = GetDlgItem( hDlg, dlgitem );
GetWindowRect(hwnd, &rect);
if (PtInRect(&rect, point))
{
GetClientRect(hwnd, &rect);
ScreenToClient(hwnd, &point);
x = (long) point.x * MAXHORI;
x /= rect.right;
y = (long) (rect.bottom - point.y) * MAXVERT;
y /= rect.bottom;
if (hori)
*hori = x;
if (vert)
*vert = y;
return 1;
}
else
if (!PtInRect(&rect, point))
return 0;
GetClientRect(hwnd, &rect);
ScreenToClient(hwnd, &point);
x = (long) point.x * MAXHORI;
x /= rect.right;
y = (long) (rect.bottom - point.y) * MAXVERT;
y /= rect.bottom;
if (x < 0) x = 0;
if (y < 0) y = 0;
if (x > MAXHORI) x = MAXHORI;
if (y > MAXVERT) y = MAXVERT;
if (hori)
*hori = x;
if (vert)
*vert = y;
return 1;
}
/***********************************************************************
* CC_MouseCheckResultWindow [internal]