// 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
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "listctrl.h"
#pragma implementation "listctrlbase.h"
#endif
#include "wx/msw/private.h"
-#if ((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
- #include "wx/msw/gnuwin32/extra.h"
-#else
- #include <commctrl.h>
-#endif
-
-#include "wx/msw/missing.h"
+// include <commctrl.h> "properly"
+#include "wx/msw/wrapcctl.h"
// ----------------------------------------------------------------------------
// private functions
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_FOCUSED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_CACHE_HINT)
+#if wxUSE_EXTENDED_RTTI
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxListCtrl, wxControl,"wx/listctrl.h")
+
+WX_BEGIN_PROPERTIES_TABLE(wxListCtrl)
+WX_END_PROPERTIES_TABLE()
+
+WX_BEGIN_HANDLERS_TABLE(wxListCtrl)
+WX_END_HANDLERS_TABLE()
+
+WX_CONSTRUCTOR_5( wxListCtrl , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )
+
+/*
+ TODO : Expose more information of a list's layout etc. via appropriate objects (à la NotebookPageInfo)
+*/
+#else
IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl)
+#endif
+
IMPLEMENT_DYNAMIC_CLASS(wxListView, wxListCtrl)
IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject)
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,
WC_LISTVIEW,
- wxT(""),
+ wxEmptyString,
wstyle,
x, y, w, h,
GetWinHwnd(GetParent()),
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;
}
}
}
-#if _WIN32_IE >= 0x0300
+ // the column images were not supported in older versions but how to check
+ // for this? we can't use _WIN32_IE because we always define it to a very
+ // high value, so see if another symbol which is only defined starting from
+ // comctl32.dll 4.70 is available
+#ifdef NM_CUSTOMDRAW // _WIN32_IE >= 0x0300
if ( item.m_mask & wxLIST_MASK_IMAGE )
{
item.m_image = lvCol.iImage;
}
-#endif
+#endif // LVCOLUMN::iImage exists
return success;
}
// 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)
lvCol.cx = 80;
}
- // when we insert a column which can contain an image, we must specify this
- // flag right now as doing it later in SetColumn() has no effect
- //
- // we use LVCFMT_BITMAP_ON_RIGHT by default because without it there is no
- // way to dynamically set/clear the bitmap as the column without a bitmap
- // on the left looks ugly (there is a hole)
- //
- // unfortunately with my version of comctl32.dll (5.80), the left column
- // image is always on the left and it seems that it's a "feature" - I
- // didn't find any way to work around it in any case
- if ( lvCol.mask & LVCF_IMAGE )
- {
- lvCol.mask |= LVCF_FMT;
- lvCol.fmt |= LVCFMT_BITMAP_ON_RIGHT;
- }
-
- bool success = ListView_InsertColumn(GetHwnd(), col, &lvCol) != -1;
- if ( success )
+ long n = ListView_InsertColumn(GetHwnd(), col, &lvCol);
+ if ( n != -1 )
{
m_colCount++;
}
- else
+ else // failed to insert?
{
wxLogDebug(wxT("Failed to insert the column '%s' into listview!"),
lvCol.pszText);
}
- return success;
+ return n;
}
long wxListCtrl::InsertColumn(long col,
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
}
break;
-#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
- && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
+#ifdef NM_CUSTOMDRAW
case NM_CUSTOMDRAW:
*result = OnCustomDraw(lParam);
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;
wxStrncpy(lvi.pszText, text, lvi.cchTextMax);
}
-#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
- && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 1 ) )
+ // see comment at the end of wxListCtrl::GetColumn()
+#ifdef NM_CUSTOMDRAW
if ( lvi.mask & LVIF_IMAGE )
{
lvi.iImage = OnGetItemImage(item);
}
-#endif
+#endif // NM_CUSTOMDRAW
// a little dose of healthy paranoia: as we never use
// LVM_SETCALLBACKMASK we're not supposed to get these ones
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
+// see comment at the end of wxListCtrl::GetColumn()
+#ifdef NM_CUSTOMDRAW // _WIN32_IE >= 0x0300
WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam)
{
{
// 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;
}
}
lvCol.cx = item.m_width;
}
-#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
- && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 1 ) )
+ // see comment at the end of wxListCtrl::GetColumn()
+#ifdef NM_CUSTOMDRAW // _WIN32_IE >= 0x0300
if ( item.m_mask & wxLIST_MASK_IMAGE )
{
if ( wxTheApp->GetComCtl32Version() >= 470 )
{
- lvCol.mask |= LVCF_IMAGE;
+ lvCol.mask |= LVCF_IMAGE | LVCF_FMT;
+
+ // we use LVCFMT_BITMAP_ON_RIGHT because thei mages on the right
+ // seem to be generally nicer than on the left and the generic
+ // version only draws them on the right (we don't have a flag to
+ // specify the image location anyhow)
+ //
+ // we don't use LVCFMT_COL_HAS_IMAGES because it doesn't seem to
+ // make any difference in my tests -- but maybe we should?
+ lvCol.fmt |= LVCFMT_BITMAP_ON_RIGHT | LVCFMT_IMAGE;
+
lvCol.iImage = item.m_image;
}
//else: it doesn't support item images anyhow
}
-#endif
+#endif // _WIN32_IE >= 0x0300
}
#endif // wxUSE_LISTCTRL
+
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