Nikolay Sivov : comctl32/listview: Header should be created when LVS_EX_HEADERDRAGDROP set.
Alexandre Julliard
julliard at winehq.org
Tue Apr 21 11:45:46 CDT 2009
Module: wine
Branch: master
Commit: 9cc12d2879905cf626bdfc91699a680519c9a1fb
URL: http://source.winehq.org/git/wine.git/?a=commit;h=9cc12d2879905cf626bdfc91699a680519c9a1fb
Author: Nikolay Sivov <bunglehead at gmail.com>
Date: Tue Apr 21 05:29:22 2009 -0400
comctl32/listview: Header should be created when LVS_EX_HEADERDRAGDROP set.
---
dlls/comctl32/listview.c | 7 ++++++-
dlls/comctl32/tests/listview.c | 11 +++++++++++
2 files changed, 17 insertions(+), 1 deletions(-)
diff --git a/dlls/comctl32/listview.c b/dlls/comctl32/listview.c
index 8f1489f..a4899c6 100644
--- a/dlls/comctl32/listview.c
+++ b/dlls/comctl32/listview.c
@@ -7268,7 +7268,12 @@ static DWORD LISTVIEW_SetExtendedListViewStyle(LISTVIEW_INFO *infoPtr, DWORD dwM
if((infoPtr->dwLvExStyle ^ dwOldExStyle) & LVS_EX_HEADERDRAGDROP)
{
- DWORD dwStyle = GetWindowLongW(infoPtr->hwndHeader, GWL_STYLE);
+ DWORD dwStyle;
+
+ /* if not already created */
+ LISTVIEW_CreateHeader(infoPtr);
+
+ dwStyle = GetWindowLongW(infoPtr->hwndHeader, GWL_STYLE);
if (infoPtr->dwLvExStyle & LVS_EX_HEADERDRAGDROP)
dwStyle |= HDS_DRAGDROP;
else
diff --git a/dlls/comctl32/tests/listview.c b/dlls/comctl32/tests/listview.c
index b85dbfb..6f205fd 100644
--- a/dlls/comctl32/tests/listview.c
+++ b/dlls/comctl32/tests/listview.c
@@ -965,6 +965,17 @@ static void test_create(void)
/* HDS_DRAGDROP set by default */
ok(GetWindowLongPtr(hHeader, GWL_STYLE) & HDS_DRAGDROP, "Expected header to have HDS_DRAGDROP\n");
DestroyWindow(hList);
+
+ /* setting LVS_EX_HEADERDRAGDROP creates header */
+ hList = CreateWindow("SysListView32", "Test", LVS_REPORT, 0, 0, 100, 100, NULL, NULL,
+ GetModuleHandle(NULL), 0);
+ ok(!IsWindow(hHeader), "Header shouldn't be created\n");
+ ok(NULL == GetDlgItem(hList, 0), "NULL dialog item expected\n");
+ SendMessage(hList, LVM_SETEXTENDEDLISTVIEWSTYLE, 0, LVS_EX_HEADERDRAGDROP);
+ hHeader = (HWND)SendMessage(hList, LVM_GETHEADER, 0, 0);
+ ok(IsWindow(hHeader), "Header should be created\n");
+ ok(hHeader == GetDlgItem(hList, 0), "Expected header as dialog item\n");
+ DestroyWindow(hList);
}
static void test_redraw(void)
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