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user32: End scrollbar tracking if the mouse capture is lost.

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This commit is contained in:
Sébastien Ramage 2010-03-25 09:15:37 +01:00 committed by Alexandre Julliard
parent 81575421a9
commit e7165b3921
2 changed files with 16 additions and 2 deletions
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2
dlls/user32/scroll.c
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@ -1129,7 +1129,7 @@ void SCROLL_TrackScrollBar( HWND hwnd, INT scrollbar, POINT pt )
ReleaseCapture();
break;
}
} while (msg.message != WM_LBUTTONUP);
} while (msg.message != WM_LBUTTONUP && GetCapture() == hwnd);
}

16
dlls/user32/tests/scroll.c
View File

@ -42,12 +42,25 @@ static LRESULT CALLBACK MyWndProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
case WM_DESTROY:
PostQuitMessage(0);
break;
case WM_HSCROLL:
case WM_VSCROLL:
/* stop tracking */
ReleaseCapture();
return 0;
default:
return DefWindowProcA(hWnd, msg, wParam, lParam);
}
return 0;
}
static void scrollbar_test_track(void)
{
/* test that scrollbar tracking is terminated when
* the control looses mouse capture */
SendMessage( hScroll, WM_LBUTTONDOWN, 0, MAKELPARAM( 1, 1));
/* a normal return from the sendmessage */
/* not normal for instance by closing the windws */
ok( IsWindow( hScroll), "Scrollbar has gone!\n");
}
static void scrollbar_test1(void)
{
@ -420,6 +433,7 @@ START_TEST ( scroll )
scrollbar_test2();
scrollbar_test3();
scrollbar_test4();
scrollbar_test_track();
/* Some test results vary depending of theming being active or not */
hUxtheme = LoadLibraryA("uxtheme.dll");