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user32/tests: SetWindowPos() propagates update region from WS_CLIPCHILDREN child to its children.

oldstable
Sergey Guralnik 2013-04-10 14:18:40 +03:00 committed by Alexandre Julliard
parent 61a6a4f476
commit 108173fd09
1 changed files with 68 additions and 0 deletions
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68
dlls/user32/tests/win.c
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@ -7326,6 +7326,73 @@ static void test_map_points(void)
DestroyWindow(wnd0);
}
static void test_update_region(void)
{
HWND hwnd, parent, child;
HRGN rgn1, rgn2;
const RECT rc = {15, 15, 40, 40};
const POINT wnd_orig = {30, 20};
const POINT child_orig = {10, 5};
parent = CreateWindowExA(0, "MainWindowClass", NULL,
WS_VISIBLE | WS_CLIPCHILDREN,
0, 0, 300, 150, NULL, NULL, GetModuleHandleA(0), 0);
hwnd = CreateWindowExA(0, "MainWindowClass", NULL,
WS_VISIBLE | WS_CLIPCHILDREN | WS_CHILD,
0, 0, 200, 100, parent, NULL, GetModuleHandleA(0), 0);
child = CreateWindowExA(0, "MainWindowClass", NULL,
WS_VISIBLE | WS_CHILD,
child_orig.x, child_orig.y, 100, 50,
hwnd, NULL, GetModuleHandleA(0), 0);
assert(parent && hwnd && child);
ValidateRgn(parent, NULL);
ValidateRgn(hwnd, NULL);
InvalidateRect(hwnd, &rc, FALSE);
ValidateRgn(child, NULL);
rgn1 = CreateRectRgn(0, 0, 0, 0);
ok(GetUpdateRgn(parent, rgn1, FALSE) == NULLREGION,
"has invalid area after ValidRgn(NULL)\n");
GetUpdateRgn(hwnd, rgn1, FALSE);
rgn2 = CreateRectRgnIndirect(&rc);
ok(EqualRgn(rgn1, rgn2), "assigned and retrieved update regions are different\n");
ok(GetUpdateRgn(child, rgn2, FALSE) == NULLREGION,
"has invalid area after ValidRgn(NULL)\n");
SetWindowPos(hwnd, 0, wnd_orig.x, wnd_orig.y, 0, 0,
SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOSIZE);
/* parent now has non-simple update region, it consist of
* two rects, that was exposed after hwnd moving ... */
SetRectRgn(rgn1, 0, 0, 200, wnd_orig.y);
SetRectRgn(rgn2, 0, 0, wnd_orig.x, 100);
CombineRgn(rgn1, rgn1, rgn2, RGN_OR);
/* ... and mapped hwnd's invalid area, that hwnd has before moving */
SetRectRgn(rgn2, rc.left + wnd_orig.x, rc.top + wnd_orig.y,
rc.right + wnd_orig.x, rc.bottom + wnd_orig.y);
CombineRgn(rgn1, rgn1, rgn2, RGN_OR);
GetUpdateRgn(parent, rgn2, FALSE);
todo_wine
ok(EqualRgn(rgn1, rgn2), "wrong update region\n");
/* hwnd has the same invalid region as before moving */
SetRectRgn(rgn1, rc.left, rc.top, rc.right, rc.bottom);
GetUpdateRgn(hwnd, rgn2, FALSE);
ok(EqualRgn(rgn1, rgn2), "wrong update region\n");
/* hwnd's invalid area maps to child during moving */
SetRectRgn(rgn1, rc.left - child_orig.x , rc.top - child_orig.y,
rc.right - child_orig.x, rc.bottom - child_orig.y);
GetUpdateRgn(child, rgn2, FALSE);
todo_wine
ok(EqualRgn(rgn1, rgn2), "wrong update region\n");
DeleteObject(rgn1);
DeleteObject(rgn2);
DestroyWindow(parent);
}
START_TEST(win)
{
HMODULE user32 = GetModuleHandleA( "user32.dll" );
@ -7435,6 +7502,7 @@ START_TEST(win)
test_handles( hwndMain );
test_winregion();
test_map_points();
test_update_region();
/* add the tests above this line */
if (hhook) UnhookWindowsHookEx(hhook);