Nikolay Sivov : comctl32/listview: Switching to/from LVS_OWNERDATA isn' t allowed after creation.
Module: wine Branch: master Commit: 42bef95cbcce5c0530a888dc70fe70fffeccc560 URL: http://source.winehq.org/git/wine.git/?a=commit;h=42bef95cbcce5c0530a888dc70... Author: Nikolay Sivov <bunglehead(a)gmail.com> Date: Mon Apr 20 07:42:43 2009 -0400 comctl32/listview: Switching to/from LVS_OWNERDATA isn't allowed after creation. --- dlls/comctl32/listview.c | 34 +++++++++++++++- dlls/comctl32/tests/listview.c | 86 +++++++++++++++++++++++++++++++++++---- 2 files changed, 110 insertions(+), 10 deletions(-) diff --git a/dlls/comctl32/listview.c b/dlls/comctl32/listview.c index 26f9ef3..870354c 100644 --- a/dlls/comctl32/listview.c +++ b/dlls/comctl32/listview.c @@ -9570,7 +9570,6 @@ static INT LISTVIEW_StyleChanged(LISTVIEW_INFO *infoPtr, WPARAM wStyleType, if (wStyleType != GWL_STYLE) return 0; /* FIXME: if LVS_NOSORTHEADER changed, update header */ - /* what if LVS_OWNERDATA changed? */ /* or LVS_SINGLESEL */ /* or LVS_SORT{AS,DES}CENDING */ @@ -9664,6 +9663,36 @@ static INT LISTVIEW_StyleChanged(LISTVIEW_INFO *infoPtr, WPARAM wStyleType, /*** * DESCRIPTION: + * Processes WM_STYLECHANGING messages. + * + * PARAMETER(S): + * [I] infoPtr : valid pointer to the listview structure + * [I] wStyleType : window style type (normal or extended) + * [I0] lpss : window style information + * + * RETURN: + * Zero + */ +static INT LISTVIEW_StyleChanging(LISTVIEW_INFO *infoPtr, WPARAM wStyleType, + STYLESTRUCT *lpss) +{ + TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n", + wStyleType, lpss->styleOld, lpss->styleNew); + + /* don't forward LVS_OWNERDATA only if not already set to */ + if ((lpss->styleNew ^ lpss->styleOld) & LVS_OWNERDATA) + { + if (lpss->styleOld & LVS_OWNERDATA) + lpss->styleNew |= LVS_OWNERDATA; + else + lpss->styleNew &= ~LVS_OWNERDATA; + } + + return 0; +} + +/*** + * DESCRIPTION: * Processes WM_SHOWWINDOW messages. * * PARAMETER(S): @@ -10164,6 +10193,9 @@ LISTVIEW_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) case WM_STYLECHANGED: return LISTVIEW_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam); + case WM_STYLECHANGING: + return LISTVIEW_StyleChanging(infoPtr, wParam, (LPSTYLESTRUCT)lParam); + case WM_SYSCOLORCHANGE: COMCTL32_RefreshSysColors(); return 0; diff --git a/dlls/comctl32/tests/listview.c b/dlls/comctl32/tests/listview.c index d08ca2f..5aa2f52 100644 --- a/dlls/comctl32/tests/listview.c +++ b/dlls/comctl32/tests/listview.c @@ -146,6 +146,12 @@ static const struct message listview_itempos_seq[] = { { 0 } }; +static const struct message listview_ownerdata_switchto_seq[] = { + { WM_STYLECHANGING, sent }, + { WM_STYLECHANGED, sent }, + { 0 } +}; + struct subclass_info { WNDPROC oldproc; @@ -223,6 +229,14 @@ static LRESULT WINAPI listview_subclass_proc(HWND hwnd, UINT message, WPARAM wPa trace("listview: %p, %04x, %08lx, %08lx\n", hwnd, message, wParam, lParam); + /* some debug output for style changing */ + if ((message == WM_STYLECHANGING || + message == WM_STYLECHANGED) && lParam) + { + STYLESTRUCT *style = (STYLESTRUCT*)lParam; + trace("\told style: 0x%08x, new style: 0x%08x\n", style->styleOld, style->styleNew); + } + msg.message = message; msg.flags = sent|wparam|lparam; if (defwndproc_counter) msg.flags |= defwinproc; @@ -237,7 +251,7 @@ static LRESULT WINAPI listview_subclass_proc(HWND hwnd, UINT message, WPARAM wPa return ret; } -static HWND create_listview_control(void) +static HWND create_listview_control(DWORD style) { struct subclass_info *info; HWND hwnd; @@ -249,7 +263,7 @@ static HWND create_listview_control(void) GetClientRect(hwndparent, &rect); hwnd = CreateWindowExA(0, WC_LISTVIEW, "foo", - WS_CHILD | WS_BORDER | WS_VISIBLE | LVS_REPORT, + WS_CHILD | WS_BORDER | WS_VISIBLE | LVS_REPORT | style, 0, 0, rect.right, rect.bottom, hwndparent, NULL, GetModuleHandleA(NULL), NULL); ok(hwnd != NULL, "gle=%d\n", GetLastError()); @@ -957,7 +971,7 @@ static void test_redraw(void) { HWND hwnd, hwndheader; - hwnd = create_listview_control(); + hwnd = create_listview_control(0); hwndheader = subclass_header(hwnd); flush_sequences(sequences, NUM_MSG_SEQUENCES); @@ -1009,7 +1023,7 @@ static void test_customdraw(void) HWND hwnd; WNDPROC oldwndproc; - hwnd = create_listview_control(); + hwnd = create_listview_control(0); insert_column(hwnd, 0); insert_column(hwnd, 1); @@ -1081,7 +1095,7 @@ static void test_color(void) COLORREF color; COLORREF colors[4] = {RGB(0,0,0), RGB(100,50,200), CLR_NONE, RGB(255,255,255)}; - hwnd = create_listview_control(); + hwnd = create_listview_control(0); ok(hwnd != NULL, "failed to create a listview window\n"); flush_sequences(sequences, NUM_MSG_SEQUENCES); @@ -1127,7 +1141,7 @@ static void test_item_count(void) static CHAR item1text[] = "item1"; static CHAR item2text[] = "item2"; - hwnd = create_listview_control(); + hwnd = create_listview_control(0); ok(hwnd != NULL, "failed to create a listview window\n"); flush_sequences(sequences, NUM_MSG_SEQUENCES); @@ -1346,7 +1360,7 @@ static void test_multiselect(void) }; - hwnd = create_listview_control(); + hwnd = create_listview_control(0); for (i=0;i<items;i++) { insert_item(hwnd, 0); @@ -1403,7 +1417,7 @@ static void test_subitem_rect(void) RECT rect; /* test LVM_GETSUBITEMRECT for header */ - hwnd = create_listview_control(); + hwnd = create_listview_control(0); ok(hwnd != NULL, "failed to create a listview window\n"); /* add some columns */ memset(&col, 0, sizeof(LVCOLUMN)); @@ -1464,7 +1478,7 @@ static void test_sorting(void) LVITEMA item = {0}; DWORD r; - hwnd = create_listview_control(); + hwnd = create_listview_control(0); ok(hwnd != NULL, "failed to create a listview window\n"); /* insert some items */ @@ -1514,6 +1528,59 @@ static void test_sorting(void) DestroyWindow(hwnd); } +static void test_ownerdata(void) +{ + HWND hwnd; + LONG_PTR style, ret; + + /* it isn't possible to set LVS_OWNERDATA after creation */ + hwnd = create_listview_control(0); + ok(hwnd != NULL, "failed to create a listview window\n"); + style = GetWindowLongPtrA(hwnd, GWL_STYLE); + ok(!(style & LVS_OWNERDATA) && style, "LVS_OWNERDATA isn't expected\n"); + + flush_sequences(sequences, NUM_MSG_SEQUENCES); + + ret = SetWindowLongPtrA(hwnd, GWL_STYLE, style | LVS_OWNERDATA); + ok(ret == style, "Expected set GWL_STYLE to succeed\n"); + ok_sequence(sequences, LISTVIEW_SEQ_INDEX, listview_ownerdata_switchto_seq, + "try to switch to LVS_OWNERDATA seq", FALSE); + + style = GetWindowLongPtrA(hwnd, GWL_STYLE); + ok(!(style & LVS_OWNERDATA), "LVS_OWNERDATA isn't expected\n"); + DestroyWindow(hwnd); + + /* try to set LVS_OWNERDATA after creation just having it */ + hwnd = create_listview_control(LVS_OWNERDATA); + ok(hwnd != NULL, "failed to create a listview window\n"); + style = GetWindowLongPtrA(hwnd, GWL_STYLE); + ok(style & LVS_OWNERDATA, "LVS_OWNERDATA is expected\n"); + + flush_sequences(sequences, NUM_MSG_SEQUENCES); + + ret = SetWindowLongPtrA(hwnd, GWL_STYLE, style | LVS_OWNERDATA); + ok(ret == style, "Expected set GWL_STYLE to succeed\n"); + ok_sequence(sequences, LISTVIEW_SEQ_INDEX, listview_ownerdata_switchto_seq, + "try to switch to LVS_OWNERDATA seq", FALSE); + DestroyWindow(hwnd); + + /* try to remove LVS_OWNERDATA after creation just having it */ + hwnd = create_listview_control(LVS_OWNERDATA); + ok(hwnd != NULL, "failed to create a listview window\n"); + style = GetWindowLongPtrA(hwnd, GWL_STYLE); + ok(style & LVS_OWNERDATA, "LVS_OWNERDATA is expected\n"); + + flush_sequences(sequences, NUM_MSG_SEQUENCES); + + ret = SetWindowLongPtrA(hwnd, GWL_STYLE, style & ~LVS_OWNERDATA); + ok(ret == style, "Expected set GWL_STYLE to succeed\n"); + ok_sequence(sequences, LISTVIEW_SEQ_INDEX, listview_ownerdata_switchto_seq, + "try to switch to LVS_OWNERDATA seq", FALSE); + style = GetWindowLongPtrA(hwnd, GWL_STYLE); + ok(style & LVS_OWNERDATA, "LVS_OWNERDATA is expected\n"); + DestroyWindow(hwnd); +} + START_TEST(listview) { HMODULE hComctl32; @@ -1553,4 +1620,5 @@ START_TEST(listview) test_multiselect(); test_subitem_rect(); test_sorting(); + test_ownerdata(); }
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Alexandre Julliard