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comctl32/listview: Implement delayed header creation for ListView control.

This commit is contained in:
Nikolay Sivov 2009-04-07 12:15:21 -04:00 committed by Alexandre Julliard
parent 89a170ffa1
commit 59148d0bb5
2 changed files with 88 additions and 28 deletions
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94
dlls/comctl32/listview.c
View File

@ -1375,6 +1375,33 @@ static inline COLUMN_INFO * LISTVIEW_GetColumnInfo(const LISTVIEW_INFO *infoPtr,
return DPA_GetPtr(infoPtr->hdpaColumns, nSubItem);
}
static INT LISTVIEW_CreateHeader(LISTVIEW_INFO *infoPtr)
{
DWORD dFlags = WS_CHILD | HDS_HORZ | HDS_FULLDRAG | HDS_DRAGDROP;
HINSTANCE hInst;
if (infoPtr->hwndHeader) return 0;
/* setup creation flags */
dFlags |= (LVS_NOSORTHEADER & infoPtr->dwStyle) ? 0 : HDS_BUTTONS;
dFlags |= (LVS_NOCOLUMNHEADER & infoPtr->dwStyle) ? HDS_HIDDEN : 0;
hInst = (HINSTANCE)GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_HINSTANCE);
/* create header */
infoPtr->hwndHeader = CreateWindowW(WC_HEADERW, NULL, dFlags,
0, 0, 0, 0, infoPtr->hwndSelf, NULL, hInst, NULL);
if (!infoPtr->hwndHeader) return -1;
/* set header unicode format */
SendMessageW(infoPtr->hwndHeader, HDM_SETUNICODEFORMAT, TRUE, 0);
/* set header font */
SendMessageW(infoPtr->hwndHeader, WM_SETFONT, (WPARAM)infoPtr->hFont, (LPARAM)TRUE);
return 0;
}
static inline void LISTVIEW_GetHeaderRect(const LISTVIEW_INFO *infoPtr, INT nSubItem, LPRECT lprc)
{
*lprc = LISTVIEW_GetColumnInfo(infoPtr, nSubItem)->rcHeader;
@ -6859,6 +6886,7 @@ static INT LISTVIEW_InsertColumnT(LISTVIEW_INFO *infoPtr, INT nColumn,
COLUMN_INFO *lpColumnInfo;
INT nNewColumn;
HDITEMW hdi;
UINT uView = infoPtr->dwStyle & LVS_TYPEMASK;
TRACE("(nColumn=%d, lpColumn=%s, isW=%d)\n", nColumn, debuglvcolumn_t(lpColumn, isW), isW);
@ -6887,6 +6915,14 @@ static INT LISTVIEW_InsertColumnT(LISTVIEW_INFO *infoPtr, INT nColumn,
hdi.lParam = lpColumn->iSubItem;
}
/* create header if not present */
LISTVIEW_CreateHeader(infoPtr);
if (!(LVS_NOCOLUMNHEADER & infoPtr->dwStyle) &&
(LVS_REPORT == uView) && (WS_VISIBLE & infoPtr->dwStyle))
{
ShowWindow(infoPtr->hwndHeader, SW_SHOWNORMAL);
}
/* insert item in header control */
nNewColumn = SendMessageW(infoPtr->hwndHeader,
isW ? HDM_INSERTITEMW : HDM_INSERTITEMA,
@ -8079,7 +8115,6 @@ static LRESULT LISTVIEW_Create(HWND hwnd, const CREATESTRUCTW *lpcs)
{
LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongPtrW(hwnd, 0);
UINT uView = lpcs->style & LVS_TYPEMASK;
DWORD dFlags = WS_CHILD | HDS_HORZ | HDS_FULLDRAG | HDS_DRAGDROP;
TRACE("(lpcs=%p)\n", lpcs);
@ -8087,28 +8122,19 @@ static LRESULT LISTVIEW_Create(HWND hwnd, const CREATESTRUCTW *lpcs)
infoPtr->notifyFormat = SendMessageW(infoPtr->hwndNotify, WM_NOTIFYFORMAT,
(WPARAM)infoPtr->hwndSelf, (LPARAM)NF_QUERY);
/* setup creation flags */
dFlags |= (LVS_NOSORTHEADER & lpcs->style) ? 0 : HDS_BUTTONS;
dFlags |= (LVS_NOCOLUMNHEADER & lpcs->style) ? HDS_HIDDEN : 0;
/* create header */
infoPtr->hwndHeader = CreateWindowW(WC_HEADERW, NULL, dFlags,
0, 0, 0, 0, hwnd, NULL,
lpcs->hInstance, NULL);
if (!infoPtr->hwndHeader) return -1;
/* set header unicode format */
SendMessageW(infoPtr->hwndHeader, HDM_SETUNICODEFORMAT, TRUE, 0);
/* set header font */
SendMessageW(infoPtr->hwndHeader, WM_SETFONT, (WPARAM)infoPtr->hFont, (LPARAM)TRUE);
if ((uView == LVS_REPORT) && (lpcs->style & WS_VISIBLE))
{
if (LISTVIEW_CreateHeader(infoPtr) < 0) return -1;
}
else
infoPtr->hwndHeader = 0;
/* init item size to avoid division by 0 */
LISTVIEW_UpdateItemSize (infoPtr);
if (uView == LVS_REPORT)
{
if (!(LVS_NOCOLUMNHEADER & lpcs->style))
if (!(LVS_NOCOLUMNHEADER & lpcs->style) && (WS_VISIBLE & lpcs->style))
{
ShowWindow(infoPtr->hwndHeader, SW_SHOWNORMAL);
}
@ -9553,6 +9579,8 @@ static INT LISTVIEW_StyleChanged(LISTVIEW_INFO *infoPtr, WPARAM wStyleType,
HDLAYOUT hl;
WINDOWPOS wp;
LISTVIEW_CreateHeader( infoPtr );
hl.prc = &infoPtr->rcList;
hl.pwpos = &wp;
SendMessageW( infoPtr->hwndHeader, HDM_LAYOUT, 0, (LPARAM)&hl );
@ -9601,6 +9629,34 @@ static INT LISTVIEW_StyleChanged(LISTVIEW_INFO *infoPtr, WPARAM wStyleType,
return 0;
}
/***
* DESCRIPTION:
* Processes WM_SHOWWINDOW messages.
*
* PARAMETER(S):
* [I] infoPtr : valid pointer to the listview structure
* [I] bShown : window is being shown (FALSE when hidden)
* [I] iStatus : window show status
*
* RETURN:
* Zero
*/
static LRESULT LISTVIEW_ShowWindow(LISTVIEW_INFO *infoPtr, BOOL bShown, INT iStatus)
{
UINT uView = infoPtr->dwStyle & LVS_TYPEMASK;
/* header delayed creation */
if ((uView == LVS_REPORT) && bShown)
{
LISTVIEW_CreateHeader(infoPtr);
if (!(LVS_NOCOLUMNHEADER & infoPtr->dwStyle))
ShowWindow(infoPtr->hwndHeader, SW_SHOWNORMAL);
}
return 0;
}
/***
* DESCRIPTION:
* Window procedure of the listview control.
@ -10064,6 +10120,10 @@ LISTVIEW_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
case WM_SETREDRAW:
return LISTVIEW_SetRedraw(infoPtr, (BOOL)wParam);
case WM_SHOWWINDOW:
LISTVIEW_ShowWindow(infoPtr, (BOOL)wParam, (INT)lParam);
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
case WM_SIZE:
return LISTVIEW_Size(infoPtr, (short)LOWORD(lParam), (short)HIWORD(lParam));

20
dlls/comctl32/tests/listview.c
View File

@ -787,8 +787,8 @@ static void test_create(void)
hList = CreateWindow("SysListView32", "Test", WS_VISIBLE, 0, 0, 100, 100, NULL, NULL,
GetModuleHandle(NULL), 0);
hHeader = (HWND)SendMessage(hList, LVM_GETHEADER, 0, 0);
todo_wine ok(!IsWindow(hHeader), "Header shouldn't be created\n");
todo_wine ok(NULL == GetDlgItem(hList, 0), "NULL dialog item expected\n");
ok(!IsWindow(hHeader), "Header shouldn't be created\n");
ok(NULL == GetDlgItem(hList, 0), "NULL dialog item expected\n");
/* insert column */
memset(&col, 0, sizeof(LVCOLUMNA));
col.mask = LVCF_WIDTH;
@ -803,8 +803,8 @@ static void test_create(void)
hList = CreateWindow("SysListView32", "Test", WS_VISIBLE|LVS_LIST, 0, 0, 100, 100, NULL, NULL,
GetModuleHandle(NULL), 0);
hHeader = (HWND)SendMessage(hList, LVM_GETHEADER, 0, 0);
todo_wine ok(!IsWindow(hHeader), "Header shouldn't be created\n");
todo_wine ok(NULL == GetDlgItem(hList, 0), "NULL dialog item expected\n");
ok(!IsWindow(hHeader), "Header shouldn't be created\n");
ok(NULL == GetDlgItem(hList, 0), "NULL dialog item expected\n");
/* insert column */
memset(&col, 0, sizeof(LVCOLUMNA));
col.mask = LVCF_WIDTH;
@ -851,8 +851,8 @@ static void test_create(void)
hList = CreateWindow("SysListView32", "Test", LVS_REPORT, 0, 0, 100, 100, NULL, NULL,
GetModuleHandle(NULL), 0);
hHeader = (HWND)SendMessage(hList, LVM_GETHEADER, 0, 0);
todo_wine ok(!IsWindow(hHeader), "Header shouldn't be created\n");
todo_wine ok(NULL == GetDlgItem(hList, 0), "NULL dialog item expected\n");
ok(!IsWindow(hHeader), "Header shouldn't be created\n");
ok(NULL == GetDlgItem(hList, 0), "NULL dialog item expected\n");
/* insert column */
memset(&col, 0, sizeof(LVCOLUMNA));
col.mask = LVCF_WIDTH;
@ -868,12 +868,12 @@ static void test_create(void)
hList = CreateWindow("SysListView32", "Test", LVS_REPORT, 0, 0, 100, 100, NULL, NULL,
GetModuleHandle(NULL), 0);
hHeader = (HWND)SendMessage(hList, LVM_GETHEADER, 0, 0);
todo_wine ok(!IsWindow(hHeader), "Header shouldn't be created\n");
todo_wine ok(NULL == GetDlgItem(hList, 0), "NULL dialog item expected\n");
ok(!IsWindow(hHeader), "Header shouldn't be created\n");
ok(NULL == GetDlgItem(hList, 0), "NULL dialog item expected\n");
ShowWindow(hList, SW_SHOW);
hHeader = (HWND)SendMessage(hList, LVM_GETHEADER, 0, 0);
ok(IsWindow(hHeader), "Header shouldn't be created\n");
ok(hHeader == GetDlgItem(hList, 0), "NULL dialog item expected\n");
ok(IsWindow(hHeader), "Header should be created\n");
ok(hHeader == GetDlgItem(hList, 0), "Expected header as dialog item\n");
DestroyWindow(hList);
}