// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
#include "wx/msw/private.h"
-#if ((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
+#if defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__)
#include "wx/msw/gnuwin32/extra.h"
#else
#include <commctrl.h>
m_ownsImageListNormal = m_ownsImageListSmall = m_ownsImageListState = FALSE;
m_baseStyle = 0;
m_colCount = 0;
+ m_count = 0;
+ m_ignoreChangeMessages = FALSE;
m_textCtrl = NULL;
m_AnyInternalData = FALSE;
m_hasAnyAttr = FALSE;
DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |
LVS_SHAREIMAGELISTS | LVS_SHOWSELALWAYS;
- if ( m_windowStyle & wxCLIP_SIBLINGS )
- wstyle |= WS_CLIPSIBLINGS;
-
- if ( wxStyleHasBorder(m_windowStyle) )
- wstyle |= WS_BORDER;
m_baseStyle = wstyle;
if ( !DoCreateControl(x, y, width, height) )
{
DWORD wstyle = m_baseStyle;
- bool want3D;
- WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
-
- // Even with extended styles, need to combine with WS_BORDER
- // for them to look right.
- if ( want3D )
- wstyle |= WS_BORDER;
+ WXDWORD exStyle = 0;
+ WXDWORD standardStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ;
long oldStyle = 0; // Dummy
wstyle |= ConvertToMSWStyle(oldStyle, m_windowStyle);
+ wstyle |= standardStyle;
// Create the ListView control.
m_hWnd = (WXHWND)CreateWindowEx(exStyle,
int n = GetItemCount();
int i = 0;
+ m_ignoreChangeMessages = TRUE;
for (i = 0; i < n; i++)
wxDeleteInternalData(this, i);
+ m_ignoreChangeMessages = FALSE;
m_AnyInternalData = FALSE;
}
if ( m_textCtrl )
{
- m_textCtrl->SetHWND(0);
m_textCtrl->UnsubclassWin();
+ m_textCtrl->SetHWND(0);
delete m_textCtrl;
m_textCtrl = NULL;
}
// Gets the number of items in the list control
int wxListCtrl::GetItemCount() const
{
- return ListView_GetItemCount(GetHwnd());
+ return m_count;
}
// Retrieves the spacing between icons in pixels.
return FALSE;
}
+ m_count -= 1;
+ wxASSERT_MSG( m_count == ListView_GetItemCount(GetHwnd()),
+ wxT("m_count should match ListView_GetItemCount"));
+
// the virtual list control doesn't refresh itself correctly, help it
if ( IsVirtual() )
{
// Deletes all items
bool wxListCtrl::DeleteAllItems()
{
+ FreeAllInternalData();
return ListView_DeleteAllItems(GetHwnd()) != 0;
}
// [re]create the text control wrapping the HWND we got
if ( m_textCtrl )
{
- m_textCtrl->SetHWND(0);
m_textCtrl->UnsubclassWin();
+ m_textCtrl->SetHWND(0);
delete m_textCtrl;
}
}
};
+ long rv = ListView_InsertItem(GetHwnd(), & item);
+ m_count += 1;
+ wxASSERT_MSG( m_count == ListView_GetItemCount(GetHwnd()),
+ wxT("m_count should match ListView_GetItemCount"));
- return (long) ListView_InsertItem(GetHwnd(), & item);
+ return rv;
}
long wxListCtrl::InsertItem(long index, const wxString& label)
bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
{
+
// prepare the event
// -----------------
// there's a GPF in Windows.
// By returning TRUE here, we avoid further processing
// of this strange message.
- if (info->iItem > GetColumnCount())
+ if ( info->iItem >= GetColumnCount() )
return TRUE;
}
// fall through
const int iItem = nmLV->iItem;
- // set the data event field for all messages for which the system gives
- // us a valid NM_LISTVIEW::lParam
- switch ( nmLV->hdr.code )
+
+ // FreeAllInternalData will cause LVN_ITEMCHANG* messages, which can be
+ // ignored for efficiency. It is done here because the internal data is in the
+ // process of being deleted so we don't want to try and access it below.
+ if ( m_ignoreChangeMessages &&
+ ( (nmLV->hdr.code == LVN_ITEMCHANGED) || (nmLV->hdr.code == LVN_ITEMCHANGING)))
{
- case LVN_BEGINDRAG:
- case LVN_BEGINRDRAG:
- case LVN_COLUMNCLICK:
- case LVN_ITEMCHANGED:
- case LVN_ITEMCHANGING:
- if ( iItem != -1 )
- {
- wxListItemInternalData *internaldata =
- (wxListItemInternalData *) nmLV->lParam;
+ return TRUE;
+ }
- if ( internaldata )
- event.m_item.m_data = internaldata->lParam;
- }
- default:
- // fall through
- ;
+ // If we have a valid item then check if there is a data value
+ // associated with it and put it in the event.
+ if ( iItem >= 0 && iItem < GetItemCount() )
+ {
+ wxListItemInternalData *internaldata =
+ wxGetInternalData(GetHwnd(), iItem);
+
+ if ( internaldata )
+ event.m_item.m_data = internaldata->lParam;
}
+
switch ( nmhdr->code )
{
case LVN_BEGINRDRAG:
wxConvertFromMSWListItem(NULL, event.m_item, item);
if ( ((LV_ITEM)item).pszText == NULL ||
((LV_ITEM)item).iItem == -1 )
+ {
+ // don't keep a stale wxTextCtrl around
+ if ( m_textCtrl )
+ {
+ // EDIT control will be deleted by the list control itself so
+ // prevent us from deleting it as well
+ m_textCtrl->UnsubclassWin();
+ m_textCtrl->SetHWND(0);
+ delete m_textCtrl;
+ m_textCtrl = NULL;
+ }
return FALSE;
+ }
event.m_itemIndex = event.m_item.m_itemId;
}
wxConvertFromMSWListItem(NULL, event.m_item, item);
if ( ((LV_ITEM)item).pszText == NULL ||
((LV_ITEM)item).iItem == -1 )
+ {
+ // don't keep a stale wxTextCtrl around
+ if ( m_textCtrl )
+ {
+ // EDIT control will be deleted by the list control itself so
+ // prevent us from deleting it as well
+ m_textCtrl->UnsubclassWin();
+ m_textCtrl->SetHWND(0);
+ delete m_textCtrl;
+ m_textCtrl = NULL;
+ }
return FALSE;
+ }
event.m_itemIndex = event.m_item.m_itemId;
}
break;
case LVN_DELETEALLITEMS:
+ m_count = 0;
eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
event.m_itemIndex = -1;
break;
case LVN_DELETEITEM:
+ if (m_count == 0)
+ // this should be prevented by the post-processing code below,
+ // but "just in case"
+ return FALSE;
+
eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
event.m_itemIndex = iItem;
// delete the assoicated internal data
eventType = wxEVT_COMMAND_LIST_CACHE_HINT;
- // we get some really stupid cache hints like ones for items in
- // range 0..0 for an empty control or, after deleting an item,
- // for items in invalid range - filter this garbage out
- if ( cacheHint->iFrom < cacheHint->iTo )
- {
- event.m_oldItemIndex = cacheHint->iFrom;
-
- long iMax = GetItemCount();
- event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo
- : iMax - 1;
- }
- else
- {
+ // we get some really stupid cache hints like ones for
+ // items in range 0..0 for an empty control or, after
+ // deleting an item, for items in invalid range -- filter
+ // this garbage out
+ if ( cacheHint->iFrom > cacheHint->iTo )
return FALSE;
- }
+
+ event.m_oldItemIndex = cacheHint->iFrom;
+
+ const long iMax = GetItemCount();
+ event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo
+ : iMax - 1;
}
break;
event.SetEventType(eventType);
- if ( !GetEventHandler()->ProcessEvent(event) )
- return FALSE;
+ bool processed = GetEventHandler()->ProcessEvent(event);
// post processing
// ---------------
-
switch ( nmhdr->code )
{
case LVN_DELETEALLITEMS:
// notifications - this makes deleting all items from a list ctrl
// much faster
*result = TRUE;
-
return TRUE;
case LVN_ENDLABELEDITA:
{
// EDIT control will be deleted by the list control itself so
// prevent us from deleting it as well
- m_textCtrl->SetHWND(0);
m_textCtrl->UnsubclassWin();
+ m_textCtrl->SetHWND(0);
delete m_textCtrl;
m_textCtrl = NULL;
}
return TRUE;
}
- *result = !event.IsAllowed();
+ if ( processed )
+ *result = !event.IsAllowed();
- return TRUE;
+ return processed;
}
#if defined(_WIN32_IE) && _WIN32_IE >= 0x300
{
// this is a pure virtual function, in fact - which is not really pure
// because the controls which are not virtual don't need to implement it
- wxFAIL_MSG( _T("not supposed to be called") );
+ wxFAIL_MSG( _T("wxListCtrl::OnGetItemText not supposed to be called") );
return wxEmptyString;
}
int wxListCtrl::OnGetItemImage(long WXUNUSED(item)) const
{
// same as above
- wxFAIL_MSG( _T("not supposed to be called") );
+ wxFAIL_MSG( _T("wxListCtrl::OnGetItemImage not supposed to be called") );
return -1;
}
{
wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") );
- if ( !::SendMessage(GetHwnd(), LVM_SETITEMCOUNT, (WPARAM)count, 0) )
+ if ( !::SendMessage(GetHwnd(), LVM_SETITEMCOUNT, (WPARAM)count, LVSICF_NOSCROLL) )
{
wxLogLastError(_T("ListView_SetItemCount"));
}
+ m_count = count;
+ wxASSERT_MSG( m_count == ListView_GetItemCount(GetHwnd()),
+ wxT("m_count should match ListView_GetItemCount"));
}
void wxListCtrl::RefreshItem(long item)
wxListItemInternalData *data = wxGetInternalData(ctl, itemId);
if (data)
{
- delete data;
LV_ITEM item;
memset(&item, 0, sizeof(item));
item.iItem = itemId;
item.mask = LVIF_PARAM;
item.lParam = (LPARAM) 0;
ListView_SetItem((HWND)ctl->GetHWND(), &item);
+ delete data;
}
}
projects / wxWidgets.git / blobdiff