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comctl32/comboex: Remove child windows subclass on window destruction. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2018-02-14 08:34:17 +03:00 committed by Alexandre Julliard
parent 69d9052206
commit 6204bbc389
1 changed files with 23 additions and 15 deletions
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38
dlls/comctl32/comboex.c
View File

@ -1502,10 +1502,10 @@ static void COMBOEX_ResetContent (COMBOEX_INFO *infoPtr)
static LRESULT COMBOEX_Destroy (COMBOEX_INFO *infoPtr)
{
if (infoPtr->hwndCombo)
RemoveWindowSubclass(infoPtr->hwndCombo, COMBOEX_ComboWndProc, COMBO_SUBCLASSID);
SetWindowSubclass(infoPtr->hwndCombo, COMBOEX_ComboWndProc, COMBO_SUBCLASSID, 0);
if (infoPtr->hwndEdit)
RemoveWindowSubclass(infoPtr->hwndEdit, COMBOEX_EditWndProc, EDIT_SUBCLASSID);
SetWindowSubclass(infoPtr->hwndEdit, COMBOEX_EditWndProc, EDIT_SUBCLASSID, 0);
COMBOEX_FreeText (&infoPtr->edit);
COMBOEX_ResetContent (infoPtr);
@ -1668,7 +1668,11 @@ COMBOEX_EditWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx, info_ptr=%p\n",
hwnd, uMsg, wParam, lParam, infoPtr);
if (!infoPtr) return 0;
if (uMsg == WM_NCDESTROY)
RemoveWindowSubclass(hwnd, COMBOEX_EditWndProc, EDIT_SUBCLASSID);
if (!infoPtr)
return DefSubclassProc(hwnd, uMsg, wParam, lParam);
switch (uMsg)
{
@ -1823,11 +1827,14 @@ COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx, info_ptr=%p\n",
hwnd, uMsg, wParam, lParam, infoPtr);
if (!infoPtr) return 0;
if (uMsg == WM_NCDESTROY)
RemoveWindowSubclass(hwnd, COMBOEX_ComboWndProc, COMBO_SUBCLASSID);
if (!infoPtr)
return DefSubclassProc(hwnd, uMsg, wParam, lParam);
switch (uMsg)
{
case WM_DRAWITEM:
/*
* The only way this message should come is from the
@ -1835,7 +1842,7 @@ COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
* that ComboEx knows this is listbox.
*/
((DRAWITEMSTRUCT *)lParam)->itemState |= ODS_COMBOEXLBOX;
return DefSubclassProc(hwnd, uMsg, wParam, lParam);
break;
case WM_ERASEBKGND:
hDC = (HDC) wParam;
@ -1844,7 +1851,7 @@ COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
TRACE("erasing (%s)\n", wine_dbgstr_rect(&rect));
ExtTextOutW (hDC, 0, 0, ETO_OPAQUE, &rect, 0, 0, 0);
SetBkColor (hDC, obkc);
return DefSubclassProc(hwnd, uMsg, wParam, lParam);
break;
case WM_SETCURSOR:
/*
@ -1858,7 +1865,7 @@ COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
nmmse.pt.y = 0;
nmmse.dwHitInfo = lParam;
COMBOEX_Notify (infoPtr, NM_SETCURSOR, (NMHDR *)&nmmse);
return DefSubclassProc(hwnd, uMsg, wParam, lParam);
break;
case WM_LBUTTONDOWN:
GetClientRect (hwnd, &rect);
@ -1868,15 +1875,15 @@ COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
pt.x = (short)LOWORD(lParam);
pt.y = (short)HIWORD(lParam);
if (PtInRect(&rect, pt))
return DefSubclassProc(hwnd, uMsg, wParam, lParam);
break;
infoPtr->flags |= WCBE_MOUSECAPTURED;
SetCapture(hwnd);
break;
return 0;
case WM_LBUTTONUP:
if (!(infoPtr->flags & WCBE_MOUSECAPTURED))
return DefSubclassProc(hwnd, uMsg, wParam, lParam);
break;
ReleaseCapture();
infoPtr->flags &= ~WCBE_MOUSECAPTURED;
@ -1885,7 +1892,7 @@ COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
} else {
SendMessageW(hwnd, CB_SHOWDROPDOWN, TRUE, 0);
}
break;
return 0;
case WM_MOUSEMOVE:
if ( (infoPtr->flags & WCBE_MOUSECAPTURED) &&
@ -1894,7 +1901,7 @@ COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
COMBOEX_NotifyDragBegin(infoPtr, edit_text);
infoPtr->flags |= WCBE_MOUSEDRAGGED;
}
return DefSubclassProc(hwnd, uMsg, wParam, lParam);
break;
case WM_COMMAND:
switch (HIWORD(wParam)) {
@ -1975,9 +1982,10 @@ COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
break;
}/* fall through */
default:
return DefSubclassProc(hwnd, uMsg, wParam, lParam);
;
}
return 0;
return DefSubclassProc(hwnd, uMsg, wParam, lParam);
}