#include "wx/intl.h"
#include "wx/log.h"
#include "wx/settings.h"
+ #include "wx/stopwatch.h"
#include "wx/dcclient.h"
#include "wx/textctrl.h"
#endif
#include "wx/vector.h"
#include "wx/msw/private.h"
+#include "wx/msw/private/keyboard.h"
#if defined(__WXWINCE__) && !defined(__HANDHELDPC__)
#include <ole2.h>
// init without conversion
void Init(LV_ITEM_NATIVE& item)
{
- wxASSERT_MSG( !m_pItem, _T("Init() called twice?") );
+ wxASSERT_MSG( !m_pItem, wxT("Init() called twice?") );
m_pItem = &item;
}
// The MSW version had problems with SetTextColour() et
// al as the wxListItemAttr's were stored keyed on the
// item index. If a item was inserted anywhere but the end
-// of the list the the text attributes (colour etc) for
+// of the list the text attributes (colour etc) for
// the following items were out of sync.
//
// Solution:
//
// However what we can do is store a pointer to a
// structure which contains the attributes we want *and*
-// a lParam for the users data, e.g.
+// a lParam -- and this is what wxMSWListItemData does.
//
-// class wxListItemInternalData
-// {
-// public:
-// wxListItemAttr *attr;
-// long lParam; // user data
-// };
-//
-// To conserve memory, a wxListItemInternalData is
+// To conserve memory, a wxMSWListItemData is
// only allocated for a LV_ITEM if text attributes or
// user data(lparam) are being set.
-
-
-// class wxListItemInternalData
-class wxListItemInternalData
+class wxMSWListItemData
{
public:
- wxListItemAttr *attr;
- LPARAM lParam; // user data
+ wxMSWListItemData() : attr(NULL), lParam(0) {}
+ ~wxMSWListItemData() { delete attr; }
- wxListItemInternalData() : attr(NULL), lParam(0) {}
- ~wxListItemInternalData()
- {
- if (attr)
- delete attr;
- }
+ wxListItemAttr *attr;
+ LPARAM lParam; // real user data
- wxDECLARE_NO_COPY_CLASS(wxListItemInternalData);
+ wxDECLARE_NO_COPY_CLASS(wxMSWListItemData);
};
-// Get the internal data structure
-static wxListItemInternalData *wxGetInternalData(HWND hwnd, long itemId);
-static wxListItemInternalData *wxGetInternalData(const wxListCtrl *ctl, long itemId);
-static wxListItemAttr *wxGetInternalDataAttr(const wxListCtrl *ctl, long itemId);
-static void wxDeleteInternalData(wxListCtrl* ctl, long itemId);
-
-
-#if wxUSE_EXTENDED_RTTI
-WX_DEFINE_FLAGS( wxListCtrlStyle )
-
-wxBEGIN_FLAGS( wxListCtrlStyle )
- // new style border flags, we put them first to
- // use them for streaming out
- wxFLAGS_MEMBER(wxBORDER_SIMPLE)
- wxFLAGS_MEMBER(wxBORDER_SUNKEN)
- wxFLAGS_MEMBER(wxBORDER_DOUBLE)
- wxFLAGS_MEMBER(wxBORDER_RAISED)
- wxFLAGS_MEMBER(wxBORDER_STATIC)
- wxFLAGS_MEMBER(wxBORDER_NONE)
-
- // old style border flags
- wxFLAGS_MEMBER(wxSIMPLE_BORDER)
- wxFLAGS_MEMBER(wxSUNKEN_BORDER)
- wxFLAGS_MEMBER(wxDOUBLE_BORDER)
- wxFLAGS_MEMBER(wxRAISED_BORDER)
- wxFLAGS_MEMBER(wxSTATIC_BORDER)
- wxFLAGS_MEMBER(wxBORDER)
-
- // standard window styles
- wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
- wxFLAGS_MEMBER(wxCLIP_CHILDREN)
- wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
- wxFLAGS_MEMBER(wxWANTS_CHARS)
- wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
- wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
- wxFLAGS_MEMBER(wxVSCROLL)
- wxFLAGS_MEMBER(wxHSCROLL)
-
- wxFLAGS_MEMBER(wxLC_LIST)
- wxFLAGS_MEMBER(wxLC_REPORT)
- wxFLAGS_MEMBER(wxLC_ICON)
- wxFLAGS_MEMBER(wxLC_SMALL_ICON)
- wxFLAGS_MEMBER(wxLC_ALIGN_TOP)
- wxFLAGS_MEMBER(wxLC_ALIGN_LEFT)
- wxFLAGS_MEMBER(wxLC_AUTOARRANGE)
- wxFLAGS_MEMBER(wxLC_USER_TEXT)
- wxFLAGS_MEMBER(wxLC_EDIT_LABELS)
- wxFLAGS_MEMBER(wxLC_NO_HEADER)
- wxFLAGS_MEMBER(wxLC_SINGLE_SEL)
- wxFLAGS_MEMBER(wxLC_SORT_ASCENDING)
- wxFLAGS_MEMBER(wxLC_SORT_DESCENDING)
- wxFLAGS_MEMBER(wxLC_VIRTUAL)
-
-wxEND_FLAGS( wxListCtrlStyle )
-
-IMPLEMENT_DYNAMIC_CLASS_XTI(wxListCtrl, wxControl,"wx/listctrl.h")
-
-wxBEGIN_PROPERTIES_TABLE(wxListCtrl)
- wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent )
-
- wxPROPERTY_FLAGS( WindowStyle , wxListCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
-wxEND_PROPERTIES_TABLE()
-
-wxBEGIN_HANDLERS_TABLE(wxListCtrl)
-wxEND_HANDLERS_TABLE()
-
-wxCONSTRUCTOR_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 (a la NotebookPageInfo)
-*/
-#else
-IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl)
-#endif
-
-IMPLEMENT_DYNAMIC_CLASS(wxListView, wxListCtrl)
-IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject)
-
-IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent)
-
BEGIN_EVENT_TABLE(wxListCtrl, wxControl)
EVT_PAINT(wxListCtrl::OnPaint)
END_EVENT_TABLE()
void wxListCtrl::Init()
{
- m_imageListNormal = NULL;
- m_imageListSmall = NULL;
+ m_imageListNormal =
+ m_imageListSmall =
m_imageListState = NULL;
- m_ownsImageListNormal = m_ownsImageListSmall = m_ownsImageListState = false;
+ m_ownsImageListNormal =
+ m_ownsImageListSmall =
+ m_ownsImageListState = false;
+
m_colCount = 0;
m_count = 0;
- m_ignoreChangeMessages = false;
m_textCtrl = NULL;
- m_AnyInternalData = false;
+
m_hasAnyAttr = false;
}
MAP_MODE_STYLE(wxLC_REPORT, LVS_REPORT)
wxASSERT_MSG( nModes == 1,
- _T("wxListCtrl style should have exactly one mode bit set") );
+ wxT("wxListCtrl style should have exactly one mode bit set") );
#undef MAP_MODE_STYLE
wstyle |= LVS_SORTASCENDING;
wxASSERT_MSG( !(style & wxLC_SORT_DESCENDING),
- _T("can't sort in ascending and descending orders at once") );
+ wxT("can't sort in ascending and descending orders at once") );
}
else if ( style & wxLC_SORT_DESCENDING )
wstyle |= LVS_SORTDESCENDING;
void wxListCtrl::FreeAllInternalData()
{
- if (m_AnyInternalData)
- {
- int n = GetItemCount();
-
- m_ignoreChangeMessages = true;
- for (int i = 0; i < n; i++)
- wxDeleteInternalData(this, i);
- m_ignoreChangeMessages = false;
+ const unsigned count = m_internalData.size();
+ for ( unsigned n = 0; n < count; n++ )
+ delete m_internalData[n];
- m_AnyInternalData = false;
- }
+ m_internalData.clear();
}
void wxListCtrl::DeleteEditControl()
{
m_textCtrl->UnsubclassWin();
m_textCtrl->SetHWND(0);
- delete m_textCtrl;
- m_textCtrl = NULL;
+ wxDELETE(m_textCtrl);
}
}
{
const int numCols = GetColumnCount();
wxCHECK_MSG( order >= 0 && order < numCols, -1,
- _T("Column position out of bounds") );
+ wxT("Column position out of bounds") );
wxArrayInt indexArray(numCols);
if ( !ListView_GetColumnOrderArray(GetHwnd(), numCols, &indexArray[0]) )
int wxListCtrl::GetColumnOrder(int col) const
{
const int numCols = GetColumnCount();
- wxASSERT_MSG( col >= 0 && col < numCols, _T("Column index out of bounds") );
+ wxASSERT_MSG( col >= 0 && col < numCols, wxT("Column index out of bounds") );
wxArrayInt indexArray(numCols);
if ( !ListView_GetColumnOrderArray(GetHwnd(), numCols, &indexArray[0]) )
return pos;
}
- wxFAIL_MSG( _T("no column with with given order?") );
+ wxFAIL_MSG( wxT("no column with with given order?") );
return -1;
}
const int numCols = GetColumnCount();
wxCHECK_MSG( orders.size() == (size_t)numCols, false,
- _T("wrong number of elements in column orders array") );
+ wxT("wrong number of elements in column orders array") );
return ListView_SetColumnOrderArray(GetHwnd(), numCols, &orders[0]) != 0;
}
{
const long id = info.GetId();
wxCHECK_MSG( id >= 0 && id < GetItemCount(), false,
- _T("invalid item index in SetItem") );
+ wxT("invalid item index in SetItem") );
LV_ITEM item;
wxConvertToMSWListItem(this, info, item);
// we never update the lParam if it contains our pointer
- // to the wxListItemInternalData structure
+ // to the wxMSWListItemData structure
item.mask &= ~LVIF_PARAM;
// check if setting attributes or lParam
- if (info.HasAttributes() || (info.m_mask & wxLIST_MASK_DATA))
+ if ( info.HasAttributes() || (info.m_mask & wxLIST_MASK_DATA) )
{
// get internal item data
- // perhaps a cache here ?
- wxListItemInternalData *data = wxGetInternalData(this, id);
+ wxMSWListItemData *data = MSWGetItemData(id);
- if (! data)
+ if ( !data )
{
- // need to set it
- m_AnyInternalData = true;
- data = new wxListItemInternalData();
+ // need to allocate the internal data object
+ data = new wxMSWListItemData;
+ m_internalData.push_back(data);
item.lParam = (LPARAM) data;
item.mask |= LVIF_PARAM;
}
// user data
- if (info.m_mask & wxLIST_MASK_DATA)
+ if ( info.m_mask & wxLIST_MASK_DATA )
data->lParam = info.m_data;
// attributes
// call ListView_SetItem() at all
if ( item.mask )
{
- item.cchTextMax = 0;
if ( !ListView_SetItem(GetHwnd(), &item) )
{
- wxLogDebug(_T("ListView_SetItem() failed"));
+ wxLogDebug(wxT("ListView_SetItem() failed"));
return false;
}
if ( !::SendMessage(GetHwnd(), LVM_SETITEMSTATE,
(WPARAM)item, (LPARAM)&lvItem) )
{
- wxLogLastError(_T("ListView_SetItemState"));
+ wxLogLastError(wxT("ListView_SetItemState"));
return false;
}
}
// Gets the item text
-wxString wxListCtrl::GetItemText(long item) const
+wxString wxListCtrl::GetItemText(long item, int col) const
{
wxListItem info;
info.m_mask = wxLIST_MASK_TEXT;
info.m_itemId = item;
+ info.m_col = col;
if (!GetItem(info))
return wxEmptyString;
SetItem(info);
}
+// Gets the internal item data
+wxMSWListItemData *wxListCtrl::MSWGetItemData(long itemId) const
+{
+ LV_ITEM it;
+ it.mask = LVIF_PARAM;
+ it.iItem = itemId;
+
+ if ( !ListView_GetItem(GetHwnd(), &it) )
+ return NULL;
+
+ return (wxMSWListItemData *) it.lParam;
+}
+
// Gets the item data
wxUIntPtr wxListCtrl::GetItemData(long item) const
{
RECT rc;
if ( !ListView_GetViewRect(GetHwnd(), &rc) )
{
- wxLogDebug(_T("ListView_GetViewRect() failed."));
+ wxLogDebug(wxT("ListView_GetViewRect() failed."));
wxZeroMemory(rc);
}
}
else
{
- wxFAIL_MSG( _T("not implemented in this mode") );
+ wxFAIL_MSG( wxT("not implemented in this mode") );
}
return rect;
// completely bogus in this case), so we check item validity ourselves
wxCHECK_MSG( subItem == wxLIST_GETSUBITEMRECT_WHOLEITEM ||
(subItem >= 0 && subItem < GetColumnCount()),
- false, _T("invalid sub item index") );
+ false, wxT("invalid sub item index") );
// use wxCHECK_MSG against "item" too, for coherency with the generic implementation:
wxCHECK_MSG( item >= 0 && item < GetItemCount(), false,
- _T("invalid item in GetSubItemRect") );
+ wxT("invalid item in GetSubItemRect") );
int codeWin;
if ( code == wxLIST_RECT_BOUNDS )
codeWin = LVIR_LABEL;
else
{
- wxFAIL_MSG( _T("incorrect code in GetItemRect() / GetSubItemRect()") );
+ wxFAIL_MSG( wxT("incorrect code in GetItemRect() / GetSubItemRect()") );
codeWin = LVIR_BOUNDS;
}
// there is no way to retrieve the first sub item bounding rectangle using
// wxGetListCtrlSubItemRect() as 0 means the whole item, so we need to
// truncate it at first column ourselves
- if ( subItem == 0 )
+ if ( subItem == 0 && code == wxLIST_RECT_BOUNDS )
rect.width = GetColumnWidth(0);
return true;
wxColour wxListCtrl::GetItemTextColour( long item ) const
{
wxColour col;
- wxListItemInternalData *data = wxGetInternalData(this, item);
+ wxMSWListItemData *data = MSWGetItemData(item);
if ( data && data->attr )
col = data->attr->GetTextColour();
wxColour wxListCtrl::GetItemBackgroundColour( long item ) const
{
wxColour col;
- wxListItemInternalData *data = wxGetInternalData(this, item);
+ wxMSWListItemData *data = MSWGetItemData(item);
if ( data && data->attr )
col = data->attr->GetBackgroundColour();
wxFont wxListCtrl::GetItemFont( long item ) const
{
wxFont f;
- wxListItemInternalData *data = wxGetInternalData(this, item);
+ wxMSWListItemData *data = MSWGetItemData(item);
if ( data && data->attr )
f = data->attr->GetFont();
{
if ( !ListView_DeleteItem(GetHwnd(), (int) item) )
{
- wxLogLastError(_T("ListView_DeleteItem"));
+ wxLogLastError(wxT("ListView_DeleteItem"));
return false;
}
// Deletes all items
bool wxListCtrl::DeleteAllItems()
{
- return ListView_DeleteAllItems(GetHwnd()) != 0;
+ // Calling ListView_DeleteAllItems() will always generate an event but we
+ // shouldn't do it if the control is empty
+ return !GetItemCount() || ListView_DeleteAllItems(GetHwnd()) != 0;
}
// Deletes all items
m_textCtrl->SubclassWin(hWnd);
m_textCtrl->SetParent(this);
- // we must disallow TABbing away from the control while the edit contol is
+ // we must disallow TABbing away from the control while the edit control is
// shown because this leaves it in some strange state (just try removing
// this line and then pressing TAB while editing an item in listctrl
// inside a panel)
if ( !hWnd )
{
// failed to start editing
- delete m_textCtrl;
- m_textCtrl = NULL;
+ wxDELETE(m_textCtrl);
return NULL;
}
if ( !hwnd )
return false;
- if ( cancel )
- ::SetWindowText(hwnd, wxEmptyString); // dubious but better than nothing
-
- // we shouldn't destroy the control ourselves according to MSDN, which
- // proposes WM_CANCELMODE to do this, but it doesn't seem to work
- //
- // posting WM_CLOSE to it does seem to work without any side effects
- ::PostMessage(hwnd, WM_CLOSE, 0, 0);
+ // Newer versions of Windows have a special message for cancelling editing,
+ // use it if available.
+#ifdef ListView_CancelEditLabel
+ if ( cancel && (wxApp::GetComCtl32Version() >= 600) )
+ {
+ ListView_CancelEditLabel(GetHwnd());
+ }
+ else
+#endif // ListView_CancelEditLabel
+ {
+ // We shouldn't destroy the control ourselves according to MSDN, which
+ // proposes WM_CANCELMODE to do this, but it doesn't seem to work so
+ // emulate the corresponding user action instead.
+ ::SendMessage(hwnd, WM_KEYDOWN, cancel ? VK_ESCAPE : VK_RETURN, 0);
+ }
return true;
}
// inconsistent with the generic version - so we adjust the index
if (start != -1)
start --;
- return ListView_FindItem(GetHwnd(), (int) start, &findInfo);
+ return ListView_FindItem(GetHwnd(), start, &findInfo);
}
-// Find an item whose data matches this data, starting from the item after 'start'
-// or the beginning if 'start' is -1.
-// NOTE : Lindsay Mathieson - 14-July-2002
-// No longer use ListView_FindItem as the data attribute is now stored
-// in a wxListItemInternalData structure refernced by the actual lParam
+// Find an item whose data matches this data, starting from the item after
+// 'start' or the beginning if 'start' is -1.
long wxListCtrl::FindItem(long start, wxUIntPtr data)
{
- long idx = start + 1;
- long count = GetItemCount();
-
- while (idx < count)
+ // we can't use ListView_FindItem() directly as we don't store the data
+ // pointer itself in the control but rather our own internal data, so first
+ // we need to find the right value to search for (and there can be several
+ // of them)
+ int idx = wxNOT_FOUND;
+ const unsigned count = m_internalData.size();
+ for ( unsigned n = 0; n < count; n++ )
{
- if (GetItemData(idx) == data)
- return idx;
- idx++;
+ if ( m_internalData[n]->lParam == (LPARAM)data )
+ {
+ LV_FINDINFO findInfo;
+ findInfo.flags = LVFI_PARAM;
+ findInfo.lParam = (LPARAM)wxPtrToUInt(m_internalData[n]);
+
+ int rc = ListView_FindItem(GetHwnd(), start, &findInfo);
+ if ( rc != -1 )
+ {
+ if ( idx == wxNOT_FOUND || rc < idx )
+ {
+ idx = rc;
+ if ( idx == start + 1 )
+ {
+ // we can stop here, we don't risk finding a closer
+ // match
+ break;
+ }
+ }
+ //else: this item is after the previously found one
+ }
+ }
}
- return -1;
+ return idx;
}
// Find an item nearest this position in the specified direction, starting from
else if ( direction == wxLIST_FIND_RIGHT )
findInfo.vkDirection = VK_RIGHT;
- return ListView_FindItem(GetHwnd(), (int) start, & findInfo);
+ return ListView_FindItem(GetHwnd(), start, &findInfo);
}
// Determines which item (if any) is at the specified point,
// -1 otherwise.
long wxListCtrl::InsertItem(const wxListItem& info)
{
- wxASSERT_MSG( !IsVirtual(), _T("can't be used with virtual controls") );
+ wxASSERT_MSG( !IsVirtual(), wxT("can't be used with virtual controls") );
LV_ITEM item;
wxConvertToMSWListItem(this, info, item);
item.mask &= ~LVIF_PARAM;
- // check wether we need to allocate our internal data
- bool needInternalData = ((info.m_mask & wxLIST_MASK_DATA) || info.HasAttributes());
- if (needInternalData)
+ // check whether we need to allocate our internal data
+ bool needInternalData = (info.m_mask & wxLIST_MASK_DATA) ||
+ info.HasAttributes();
+ if ( needInternalData )
{
- m_AnyInternalData = true;
item.mask |= LVIF_PARAM;
- // internal stucture that manages data
- wxListItemInternalData *data = new wxListItemInternalData();
- item.lParam = (LPARAM) data;
+ wxMSWListItemData * const data = new wxMSWListItemData;
+ m_internalData.push_back(data);
+ item.lParam = (LPARAM)data;
- if (info.m_mask & wxLIST_MASK_DATA)
+ if ( info.m_mask & wxLIST_MASK_DATA )
data->lParam = info.m_data;
// check whether it has any custom attributes
}
}
- long rv = ListView_InsertItem(GetHwnd(), & item);
+ const long rv = ListView_InsertItem(GetHwnd(), & item);
+
+ // failing to insert the item is really unexpected
+ wxCHECK_MSG( rv != -1, rv, "failed to insert an item in wxListCtrl" );
m_count++;
wxASSERT_MSG( m_count == ListView_GetItemCount(GetHwnd()),
{
if ( !ListView_Scroll(GetHwnd(), dx, dy) )
{
- wxLogDebug(_T("ListView_Scroll(%d, %d) failed"), dx, dy);
+ wxLogDebug(wxT("ListView_Scroll(%d, %d) failed"), dx, dy);
return false;
}
struct wxInternalDataSort
{
wxListCtrlCompare user_fn;
- long data;
+ wxIntPtr data;
};
int CALLBACK wxInternalDataCompareFunc(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
{
- struct wxInternalDataSort *internalData = (struct wxInternalDataSort *) lParamSort;
+ wxInternalDataSort * const internalData = (wxInternalDataSort *) lParamSort;
- wxListItemInternalData *data1 = (wxListItemInternalData *) lParam1;
- wxListItemInternalData *data2 = (wxListItemInternalData *) lParam2;
+ wxMSWListItemData *data1 = (wxMSWListItemData *) lParam1;
+ wxMSWListItemData *data2 = (wxMSWListItemData *) lParam2;
- long d1 = (data1 == NULL ? 0 : data1->lParam);
- long d2 = (data2 == NULL ? 0 : data2->lParam);
+ wxIntPtr d1 = (data1 == NULL ? 0 : data1->lParam);
+ wxIntPtr d2 = (data2 == NULL ? 0 : data2->lParam);
return internalData->user_fn(d1, d2, internalData->data);
}
-bool wxListCtrl::SortItems(wxListCtrlCompare fn, long data)
+bool wxListCtrl::SortItems(wxListCtrlCompare fn, wxIntPtr data)
{
- struct wxInternalDataSort internalData;
+ wxInternalDataSort internalData;
internalData.user_fn = fn;
internalData.data = data;
wxInternalDataCompareFunc,
(WPARAM) &internalData) )
{
- wxLogDebug(_T("ListView_SortItems() failed"));
+ wxLogDebug(wxT("ListView_SortItems() failed"));
return false;
}
#endif //__WXWINCE__
if ( !::GetCursorPos(ptClick) )
{
- wxLogLastError(_T("GetCursorPos"));
+ wxLogLastError(wxT("GetCursorPos"));
}
// we need to use listctrl coordinates for the event point so this is what
POINT ptClickHeader = *ptClick;
if ( !::ScreenToClient(nmhdr->hwndFrom, &ptClickHeader) )
{
- wxLogLastError(_T("ScreenToClient(listctrl header)"));
+ wxLogLastError(wxT("ScreenToClient(listctrl header)"));
}
if ( !::ScreenToClient(::GetParent(nmhdr->hwndFrom), ptClick) )
{
- wxLogLastError(_T("ScreenToClient(listctrl)"));
+ wxLogLastError(wxT("ScreenToClient(listctrl)"));
}
const int colCount = Header_GetItemCount(nmhdr->hwndFrom);
event.m_itemIndex = -1;
+ bool ignore = false;
switch ( nmhdr->code )
{
// yet another comctl32.dll bug: under NT/W2K it sends Unicode
// TRACK messages even to ANSI programs: on my system I get
- // HDN_BEGINTRACKW and HDN_ENDTRACKA and no HDN_TRACK at all!
+ // HDN_BEGINTRACKW and HDN_ENDTRACKA!
//
// work around is to simply catch both versions and hope that it
// works (why should this message exist in ANSI and Unicode is
// beyond me as it doesn't deal with strings at all...)
//
- // note that fr HDN_TRACK another possibility could be to use
- // HDN_ITEMCHANGING but it is sent even after HDN_ENDTRACK and when
- // something other than the item width changes so we'd have to
- // filter out the unwanted events then
+ // another problem is that HDN_TRACK is not sent at all by header
+ // with HDS_FULLDRAG style which is used by default by wxListCtrl
+ // under recent Windows versions (starting from at least XP) so we
+ // need to use HDN_ITEMCHANGING instead of it
case HDN_BEGINTRACKA:
case HDN_BEGINTRACKW:
eventType = wxEVT_COMMAND_LIST_COL_BEGIN_DRAG;
// fall through
- case HDN_TRACKA:
- case HDN_TRACKW:
+ case HDN_ITEMCHANGING:
if ( eventType == wxEVT_NULL )
+ {
+ if ( !nmHDR->pitem || !(nmHDR->pitem->mask & HDI_WIDTH) )
+ {
+ // something other than the width is being changed,
+ // ignore it
+ ignore = true;
+ break;
+ }
+
+ // also ignore the events sent when the width didn't really
+ // change: this is not just an optimization but also gets
+ // rid of a useless and unexpected DRAGGING event which
+ // would otherwise be sent after the END_DRAG one as we get
+ // an HDN_ITEMCHANGING after HDN_ENDTRACK for some reason
+ if ( nmHDR->pitem->cxy == GetColumnWidth(nmHDR->iItem) )
+ {
+ ignore = true;
+ break;
+ }
+
eventType = wxEVT_COMMAND_LIST_COL_DRAGGING;
+ }
// fall through
case HDN_ENDTRACKA:
return true;
default:
- return wxControl::MSWOnNotify(idCtrl, lParam, result);
+ ignore = true;
}
+
+ if ( ignore )
+ return wxControl::MSWOnNotify(idCtrl, lParam, result);
}
else
#endif // defined(HDN_BEGINTRACKA)
const int iItem = nmLV->iItem;
- // 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)) )
- {
- return true;
- }
-
-
// 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);
+ wxMSWListItemData *internaldata =
+ MSWGetItemData(iItem);
if ( internaldata )
event.m_item.m_data = internaldata->lParam;
eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
event.m_itemIndex = iItem;
- // delete the assoicated internal data
- wxDeleteInternalData(this, iItem);
+
break;
case LVN_INSERTITEM:
{
eventType = wxEVT_COMMAND_LIST_KEY_DOWN;
- // wxCharCodeMSWToWX() returns 0 if the key is an ASCII
- // value which should be used as is
- int code = wxCharCodeMSWToWX(wVKey);
- event.m_code = code ? code : wVKey;
+ event.m_code = wxMSWKeyboard::VKToWX(wVKey);
+
+ if ( event.m_code == WXK_NONE )
+ {
+ // We can't translate this to a standard key code,
+ // until support for Unicode key codes is added to
+ // wxListEvent we just ignore them.
+ return false;
+ }
}
event.m_itemIndex =
wxZeroMemory(lvhti);
#if defined(__WXWINCE__) && !defined(__HANDHELDPC__) && _WIN32_WCE < 400
- if(nmhdr->code == GN_CONTEXTMENU) {
- lvhti.pt = ((NMRGINFO*)nmhdr)->ptAction;
- } else
+ if ( nmhdr->code == GN_CONTEXTMENU )
+ {
+ lvhti.pt = ((NMRGINFO*)nmhdr)->ptAction;
+ }
+ else
#endif //__WXWINCE__
- ::GetCursorPos(&(lvhti.pt));
- ::ScreenToClient(GetHwnd(),&(lvhti.pt));
- if ( ListView_HitTest(GetHwnd(),&lvhti) != -1 )
+ {
+ ::GetCursorPos(&(lvhti.pt));
+ }
+
+ ::ScreenToClient(GetHwnd(), &lvhti.pt);
+ if ( ListView_HitTest(GetHwnd(), &lvhti) != -1 )
{
if ( lvhti.flags & LVHT_ONITEM )
{
#ifdef HAVE_NMLVFINDITEM
case LVN_ODFINDITEM:
- // this message is only used with the virtual list control but
- // even there we don't want to always use it: in a control with
- // sufficiently big number of items (defined as > 1000 here),
- // accidentally pressing a key could result in hanging an
- // application waiting while it performs linear search
- if ( IsVirtual() && GetItemCount() <= 1000 )
+ // Find an item in a (necessarily virtual) list control.
+ if ( IsVirtual() )
{
NMLVFINDITEM* pFindInfo = (NMLVFINDITEM*)lParam;
// this is the first item we should examine, search from it
// wrapping if necessary
- const int startPos = pFindInfo->iStart;
+ int startPos = pFindInfo->iStart;
const int maxPos = GetItemCount();
- wxCHECK_MSG( startPos <= maxPos, false,
- _T("bad starting position in LVN_ODFINDITEM") );
- int currentPos = startPos;
- do
+ // Check that the index is valid to ensure that our loop
+ // below always terminates.
+ if ( startPos < 0 || startPos >= maxPos )
{
- // wrap to the beginning if necessary
- if ( currentPos == maxPos )
+ // When the last item in the control is selected,
+ // iStart is really set to (invalid) maxPos index so
+ // accept this silently.
+ if ( startPos != maxPos )
{
- // somewhat surprizingly, LVFI_WRAP isn't set in
- // flags but we still should wrap
- currentPos = 0;
+ wxLogDebug(wxT("Ignoring invalid search start ")
+ wxT("position %d in list control with ")
+ wxT("%d items."), startPos, maxPos);
}
+ startPos = 0;
+ }
+
+ // Linear search in a control with a lot of items can take
+ // a long time so we limit the total time of the search to
+ // ensure that the program doesn't appear to hang.
+#if wxUSE_STOPWATCH
+ wxStopWatch sw;
+#endif // wxUSE_STOPWATCH
+ for ( int currentPos = startPos; ; )
+ {
// does this item begin with searchstr?
if ( wxStrnicmp(searchstr,
GetItemText(currentPos), len) == 0 )
*result = currentPos;
break;
}
- }
- while ( ++currentPos != startPos );
- if ( *result == -1 )
- {
- // not found
- return false;
+ // Go to next item with wrapping if necessary.
+ if ( ++currentPos == maxPos )
+ {
+ // Surprisingly, LVFI_WRAP seems to be never set in
+ // the flags so wrap regardless of it.
+ currentPos = 0;
+ }
+
+ if ( currentPos == startPos )
+ {
+ // We examined all items without finding anything.
+ //
+ // Notice that we still return true as we did
+ // perform the search, if we didn't do this the
+ // message would have been considered unhandled and
+ // the control seems to always select the first
+ // item by default in this case.
+ return true;
+ }
+
+#if wxUSE_STOPWATCH
+ // Check the time elapsed only every thousand
+ // iterations for performance reasons: if we did it
+ // more often calling wxStopWatch::Time() could take
+ // noticeable time on its own.
+ if ( !((currentPos - startPos)%1000) )
+ {
+ // We use half a second to limit the search time
+ // which is about as long as we can take without
+ // annoying the user.
+ if ( sw.Time() > 500 )
+ {
+ // As above, return true to prevent the control
+ // from selecting the first item by default.
+ return true;
+ }
+ }
+#endif // wxUSE_STOPWATCH
+
}
SetItemState(*result,
event.SetEventType(eventType);
+ // fill in the item before passing it to the event handler if we do have a
+ // valid item index and haven't filled it yet (e.g. for LVN_ITEMCHANGED)
+ if ( event.m_itemIndex != -1 && !event.m_item.GetMask() )
+ {
+ wxListItem& item = event.m_item;
+
+ item.SetId(event.m_itemIndex);
+ item.SetMask(wxLIST_MASK_TEXT | wxLIST_MASK_IMAGE | wxLIST_MASK_DATA);
+ GetItem(item);
+ }
+
bool processed = HandleWindowEvent(event);
// post processing
m_count = 0;
return true;
+ case LVN_DELETEITEM:
+ // Delete the associated internal data. Notice that this can be
+ // done only after the event has been handled as the data could be
+ // accessed during the handling of the event.
+ if ( wxMSWListItemData *data = MSWGetItemData(event.m_itemIndex) )
+ {
+ const unsigned count = m_internalData.size();
+ for ( unsigned n = 0; n < count; n++ )
+ {
+ if ( m_internalData[n] == data )
+ {
+ m_internalData.erase(m_internalData.begin() + n);
+ wxDELETE(data);
+ break;
+ }
+ }
+
+ wxASSERT_MSG( !data, "invalid internal data pointer?" );
+ }
+ break;
+
case LVN_ENDLABELEDITA:
case LVN_ENDLABELEDITW:
// logic here is inverted compared to all the other messages
numCols,
&indexArray[0]) )
{
- wxFAIL_MSG( _T("invalid column index array in OnPaint()") );
+ wxFAIL_MSG( wxT("invalid column index array in OnPaint()") );
return;
}
{
// 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("wxListCtrl::OnGetItemText not supposed to be called") );
+ wxFAIL_MSG( wxT("wxListCtrl::OnGetItemText not supposed to be called") );
return wxEmptyString;
}
wxListItemAttr *wxListCtrl::OnGetItemAttr(long WXUNUSED_UNLESS_DEBUG(item)) const
{
wxASSERT_MSG( item >= 0 && item < GetItemCount(),
- _T("invalid item index in OnGetItemAttr()") );
+ wxT("invalid item index in OnGetItemAttr()") );
// no attributes by default
return NULL;
wxListItemAttr *wxListCtrl::DoGetItemColumnAttr(long item, long column) const
{
- return IsVirtual() ? OnGetItemColumnAttr(item, column)
- : wxGetInternalDataAttr(this, item);
+ if ( IsVirtual() )
+ return OnGetItemColumnAttr(item, column);
+
+ wxMSWListItemData * const data = MSWGetItemData(item);
+ return data ? data->attr : NULL;
}
void wxListCtrl::SetItemCount(long count)
{
- wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") );
+ wxASSERT_MSG( IsVirtual(), wxT("this is for virtual controls only") );
if ( !::SendMessage(GetHwnd(), LVM_SETITEMCOUNT, (WPARAM)count,
LVSICF_NOSCROLL | LVSICF_NOINVALIDATEALL) )
{
- wxLogLastError(_T("ListView_SetItemCount"));
+ wxLogLastError(wxT("ListView_SetItemCount"));
}
m_count = count;
wxASSERT_MSG( m_count == ListView_GetItemCount(GetHwnd()),
ListView_RedrawItems(GetHwnd(), itemFrom, itemTo);
}
-// ----------------------------------------------------------------------------
-// internal data stuff
-// ----------------------------------------------------------------------------
-
-static wxListItemInternalData *wxGetInternalData(HWND hwnd, long itemId)
-{
- LV_ITEM it;
- it.mask = LVIF_PARAM;
- it.iItem = itemId;
-
- if ( !ListView_GetItem(hwnd, &it) )
- return NULL;
-
- return (wxListItemInternalData *) it.lParam;
-}
-
-static
-wxListItemInternalData *wxGetInternalData(const wxListCtrl *ctl, long itemId)
-{
- return wxGetInternalData(GetHwndOf(ctl), itemId);
-}
-
-static
-wxListItemAttr *wxGetInternalDataAttr(const wxListCtrl *ctl, long itemId)
-{
- wxListItemInternalData *data = wxGetInternalData(ctl, itemId);
-
- return data ? data->attr : NULL;
-}
-
-static void wxDeleteInternalData(wxListCtrl* ctl, long itemId)
-{
- wxListItemInternalData *data = wxGetInternalData(ctl, itemId);
- if (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;
- }
-}
-
// ----------------------------------------------------------------------------
// wxWin <-> MSW items conversions
// ----------------------------------------------------------------------------
wxListItem& info,
LV_ITEM& lvItem)
{
- wxListItemInternalData *internaldata =
- (wxListItemInternalData *) lvItem.lParam;
+ wxMSWListItemData *internaldata =
+ (wxMSWListItemData *) lvItem.lParam;
if (internaldata)
info.m_data = internaldata->lParam;
const wxListItem& info,
LV_ITEM& lvItem)
{
+ if ( ctrl->InReportView() )
+ {
+ wxASSERT_MSG( 0 <= info.m_col && info.m_col < ctrl->GetColumnCount(),
+ "wxListCtrl column index out of bounds" );
+ }
+ else // not in report view
+ {
+ wxASSERT_MSG( info.m_col == 0, "columns only exist in report view" );
+ }
+
lvItem.iItem = (int) info.m_itemId;
lvItem.iImage = info.m_image;
projects / wxWidgets.git / blobdiff