// Name: src/msw/listctrl.cpp
// Purpose: wxListCtrl
// Author: Julian Smart
-// Modified by:
+// Modified by: Agron Selimaj
// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
#if wxUSE_LISTCTRL
+#include "wx/listctrl.h"
+
#ifndef WX_PRECOMP
+ #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
#include "wx/app.h"
#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/textctrl.h"
#include "wx/imaglist.h"
-#include "wx/listctrl.h"
-#include "wx/dcclient.h"
+#include "wx/vector.h"
#include "wx/msw/private.h"
+#include "wx/msw/private/keyboard.h"
#if defined(__WXWINCE__) && !defined(__HANDHELDPC__)
#include <ole2.h>
#endif
#endif
-// include <commctrl.h> "properly"
-#include "wx/msw/wrapcctl.h"
-
// Currently gcc and watcom don't define NMLVFINDITEM, and DMC only defines
// it by its old name NM_FINDTIEM.
//
const wxListItem& item,
LV_COLUMN& lvCol);
+namespace
+{
+
+// replacement for ListView_GetSubItemRect() which provokes warnings like
+// "the address of 'rc' will always evaluate as 'true'" when used with mingw32
+// 4.3+
+//
+// this function does no error checking on item and subitem parameters, notice
+// that subitem 0 means the whole item so there is no way to retrieve the
+// rectangle of the first subitem using this function, in particular notice
+// that the index is *not* 1-based, in spite of what MSDN says
+inline bool
+wxGetListCtrlSubItemRect(HWND hwnd, int item, int subitem, int flags, RECT& rect)
+{
+ rect.top = subitem;
+ rect.left = flags;
+ return ::SendMessage(hwnd, LVM_GETSUBITEMRECT, item, (LPARAM)&rect) != 0;
+}
+
+inline bool
+wxGetListCtrlItemRect(HWND hwnd, int item, int flags, RECT& rect)
+{
+ return wxGetListCtrlSubItemRect(hwnd, item, 0, flags, rect);
+}
+
+} // anonymous namespace
+
// ----------------------------------------------------------------------------
// private helper classes
// ----------------------------------------------------------------------------
// 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;
}
LV_ITEM_NATIVE *m_pItem;
LV_ITEM_NATIVE m_item;
- DECLARE_NO_COPY_CLASS(wxLV_ITEM)
+ wxDECLARE_NO_COPY_CLASS(wxLV_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.
-//
-// class wxListItemInternalData
-// {
-// public:
-// wxListItemAttr *attr;
-// long lParam; // user data
-// };
+// a lParam -- and this is what wxMSWListItemData does.
//
-// 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
- DECLARE_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);
-
-
-// ----------------------------------------------------------------------------
-// events
-// ----------------------------------------------------------------------------
-
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_DRAG)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_RDRAG)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_END_LABEL_EDIT)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ITEM)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS)
-#if WXWIN_COMPATIBILITY_2_4
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_GET_INFO)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_SET_INFO)
-#endif
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_SELECTED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_DESELECTED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_KEY_DOWN)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_INSERT_ITEM)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_CLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_RIGHT_CLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_DRAGGING)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_END_DRAG)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_ACTIVATED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_FOCUSED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_CACHE_HINT)
-
-#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 (à 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;
}
// GetTextColour will always return black
SetTextColour(GetDefaultAttributes().colFg);
+ if ( InReportView() )
+ MSWSetExListStyles();
+
+ return true;
+}
+
+void wxListCtrl::MSWSetExListStyles()
+{
// for comctl32.dll v 4.70+ we want to have some non default extended
// styles because it's prettier (and also because wxGTK does it like this)
- if ( InReportView() && wxApp::GetComCtl32Version() >= 470 )
- {
- ::SendMessage(GetHwnd(), LVM_SETEXTENDEDLISTVIEWSTYLE,
- 0, LVS_EX_LABELTIP | LVS_EX_FULLROWSELECT | LVS_EX_SUBITEMIMAGES);
+ if ( wxApp::GetComCtl32Version() >= 470 )
+ {
+ ::SendMessage
+ (
+ GetHwnd(), LVM_SETEXTENDEDLISTVIEWSTYLE, 0,
+ // LVS_EX_LABELTIP shouldn't be used under Windows CE where it's
+ // not defined in the SDK headers
+#ifdef LVS_EX_LABELTIP
+ LVS_EX_LABELTIP |
+#endif
+ LVS_EX_FULLROWSELECT |
+ LVS_EX_SUBITEMIMAGES |
+ // normally this should be governed by a style as it's probably not
+ // always appropriate, but we don't have any free styles left and
+ // it seems better to enable it by default than disable
+ LVS_EX_HEADERDRAGDROP
+ );
}
-
- return true;
}
WXDWORD wxListCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const
wstyle |= LVS_SHAREIMAGELISTS | LVS_SHOWSELALWAYS;
-#ifdef __WXDEBUG__
+#if wxDEBUG_LEVEL
size_t nModes = 0;
#define MAP_MODE_STYLE(wx, ms) \
if ( style & (wx) ) { wstyle |= (ms); nModes++; }
-#else // !__WXDEBUG__
+#else // !wxDEBUG_LEVEL
#define MAP_MODE_STYLE(wx, ms) \
if ( style & (wx) ) wstyle |= (ms);
-#endif // __WXDEBUG__
+#endif // wxDEBUG_LEVEL/!wxDEBUG_LEVEL
MAP_MODE_STYLE(wxLC_ICON, LVS_ICON)
MAP_MODE_STYLE(wxLC_SMALL_ICON, LVS_SMALLICON)
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;
if ( dwStyleOld != dwStyleNew )
{
::SetWindowLong(GetHwnd(), GWL_STYLE, dwStyleNew);
+
+ // if we switched to the report view, set the extended styles for
+ // it too
+ if ( !(dwStyleOld & LVS_REPORT) && (dwStyleNew & LVS_REPORT) )
+ MSWSetExListStyles();
}
}
}
void wxListCtrl::FreeAllInternalData()
{
- if (m_AnyInternalData)
- {
- int n = GetItemCount();
+ const unsigned count = m_internalData.size();
+ for ( unsigned n = 0; n < count; n++ )
+ delete m_internalData[n];
- m_ignoreChangeMessages = true;
- for (int i = 0; i < n; i++)
- wxDeleteInternalData(this, i);
- m_ignoreChangeMessages = false;
-
- m_AnyInternalData = false;
- }
+ m_internalData.clear();
}
-wxListCtrl::~wxListCtrl()
+void wxListCtrl::DeleteEditControl()
{
- FreeAllInternalData();
-
if ( m_textCtrl )
{
m_textCtrl->UnsubclassWin();
m_textCtrl->SetHWND(0);
- delete m_textCtrl;
- m_textCtrl = NULL;
+ wxDELETE(m_textCtrl);
}
+}
+
+wxListCtrl::~wxListCtrl()
+{
+ FreeAllInternalData();
+
+ DeleteEditControl();
if (m_ownsImageListNormal)
delete m_imageListNormal;
{
if ( flag != m_windowStyle )
{
- m_windowStyle = flag;
+ wxControl::SetWindowStyleFlag(flag);
UpdateStyle();
return ListView_SetColumnWidth(GetHwnd(), col, width) != 0;
}
+// ----------------------------------------------------------------------------
+// columns order
+// ----------------------------------------------------------------------------
+
+int wxListCtrl::GetColumnIndexFromOrder(int order) const
+{
+ const int numCols = GetColumnCount();
+ wxCHECK_MSG( order >= 0 && order < numCols, -1,
+ wxT("Column position out of bounds") );
+
+ wxArrayInt indexArray(numCols);
+ if ( !ListView_GetColumnOrderArray(GetHwnd(), numCols, &indexArray[0]) )
+ return -1;
+
+ return indexArray[order];
+}
+
+int wxListCtrl::GetColumnOrder(int col) const
+{
+ const int numCols = GetColumnCount();
+ wxASSERT_MSG( col >= 0 && col < numCols, wxT("Column index out of bounds") );
+
+ wxArrayInt indexArray(numCols);
+ if ( !ListView_GetColumnOrderArray(GetHwnd(), numCols, &indexArray[0]) )
+ return -1;
+
+ for ( int pos = 0; pos < numCols; pos++ )
+ {
+ if ( indexArray[pos] == col )
+ return pos;
+ }
+
+ wxFAIL_MSG( wxT("no column with with given order?") );
+
+ return -1;
+}
+
+// Gets the column order for all columns
+wxArrayInt wxListCtrl::GetColumnsOrder() const
+{
+ const int numCols = GetColumnCount();
+
+ wxArrayInt orders(numCols);
+ if ( !ListView_GetColumnOrderArray(GetHwnd(), numCols, &orders[0]) )
+ orders.clear();
+
+ return orders;
+}
+
+// Sets the column order for all columns
+bool wxListCtrl::SetColumnsOrder(const wxArrayInt& orders)
+{
+ const int numCols = GetColumnCount();
+
+ wxCHECK_MSG( orders.size() == (size_t)numCols, false,
+ wxT("wrong number of elements in column orders array") );
+
+ return ListView_SetColumnOrderArray(GetHwnd(), numCols, &orders[0]) != 0;
+}
+
+
// Gets the number of items that can fit vertically in the
// visible area of the list control (list or report view)
// or the total number of items in the list control (icon
// Gets the edit control for editing labels.
wxTextCtrl* wxListCtrl::GetEditControl() const
{
+ // first check corresponds to the case when the label editing was started
+ // by user and hence m_textCtrl wasn't created by EditLabel() at all, while
+ // the second case corresponds to us being called from inside EditLabel()
+ // (e.g. from a user wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT handler): in this
+ // case EditLabel() did create the control but it didn't have an HWND to
+ // initialize it with yet
+ if ( !m_textCtrl || !m_textCtrl->GetHWND() )
+ {
+ HWND hwndEdit = ListView_GetEditControl(GetHwnd());
+ if ( hwndEdit )
+ {
+ wxListCtrl * const self = const_cast<wxListCtrl *>(this);
+
+ if ( !m_textCtrl )
+ self->m_textCtrl = new wxTextCtrl;
+ self->InitEditControl((WXHWND)hwndEdit);
+ }
+ }
+
return m_textCtrl;
}
// Sets information about the item
bool wxListCtrl::SetItem(wxListItem& info)
{
+ const long id = info.GetId();
+ wxCHECK_MSG( id >= 0 && id < GetItemCount(), false,
+ 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, info.m_itemId);
+ 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
data->attr->AssignFrom(attrNew);
else
data->attr = new wxListItemAttr(attrNew);
- };
- };
+ }
+ }
// we could be changing only the attribute in which case we don't need to
// 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;
}
wxConvertToMSWFlags(state, stateMask, lvItem);
+ const bool changingFocus = (stateMask & wxLIST_STATE_FOCUSED) &&
+ (state & wxLIST_STATE_FOCUSED);
+
// for the virtual list controls we need to refresh the previously focused
// item manually when changing focus without changing selection
// programmatically because otherwise it keeps its focus rectangle until
// next repaint (yet another comctl32 bug)
long focusOld;
- if ( IsVirtual() &&
- (stateMask & wxLIST_STATE_FOCUSED) &&
- (state & wxLIST_STATE_FOCUSED) )
+ if ( IsVirtual() && changingFocus )
{
focusOld = GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_FOCUSED);
}
if ( !::SendMessage(GetHwnd(), LVM_SETITEMSTATE,
(WPARAM)item, (LPARAM)&lvItem) )
{
- wxLogLastError(_T("ListView_SetItemState"));
+ wxLogLastError(wxT("ListView_SetItemState"));
return false;
}
}
}
+ // we expect the selection anchor, i.e. the item from which multiple
+ // selection (such as performed with e.g. Shift-arrows) starts, to be the
+ // same as the currently focused item but the native control doesn't update
+ // it when we change focus and leaves at the last item it set itself focus
+ // to, so do it explicitly
+ if ( changingFocus && !HasFlag(wxLC_SINGLE_SEL) )
+ {
+ ListView_SetSelectionMark(GetHwnd(), item);
+ }
+
return true;
}
}
// 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
{
}
// Sets the item data
-bool wxListCtrl::SetItemData(long item, long data)
+bool wxListCtrl::SetItemPtrData(long item, wxUIntPtr data)
{
wxListItem info;
wxRect wxListCtrl::GetViewRect() const
{
- wxASSERT_MSG( !HasFlag(wxLC_REPORT | wxLC_LIST),
- _T("wxListCtrl::GetViewRect() only works in icon mode") );
+ wxRect rect;
- RECT rc;
- if ( !ListView_GetViewRect(GetHwnd(), &rc) )
+ // ListView_GetViewRect() can only be used in icon and small icon views
+ // (this is documented in MSDN and, indeed, it returns bogus results in
+ // report view, at least with comctl32.dll v6 under Windows 2003)
+ if ( HasFlag(wxLC_ICON | wxLC_SMALL_ICON) )
{
- wxLogDebug(_T("ListView_GetViewRect() failed."));
+ RECT rc;
+ if ( !ListView_GetViewRect(GetHwnd(), &rc) )
+ {
+ wxLogDebug(wxT("ListView_GetViewRect() failed."));
+
+ wxZeroMemory(rc);
+ }
- wxZeroMemory(rc);
+ wxCopyRECTToRect(rc, rect);
}
+ else if ( HasFlag(wxLC_REPORT) )
+ {
+ const long count = GetItemCount();
+ if ( count )
+ {
+ GetItemRect(wxMin(GetTopItem() + GetCountPerPage(), count - 1), rect);
- wxRect rect;
- wxCopyRECTToRect(rc, rect);
+ // extend the rectangle to start at the top (we include the column
+ // headers, if any, for compatibility with the generic version)
+ rect.height += rect.y;
+ rect.y = 0;
+ }
+ }
+ else
+ {
+ wxFAIL_MSG( wxT("not implemented in this mode") );
+ }
return rect;
}
// Gets the item rectangle
bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const
{
- RECT rectWin;
+ return GetSubItemRect( item, wxLIST_GETSUBITEMRECT_WHOLEITEM, rect, code) ;
+}
+
+bool wxListCtrl::GetSubItemRect(long item, long subItem, wxRect& rect, int code) const
+{
+ // ListView_GetSubItemRect() doesn't do subItem error checking and returns
+ // true even for the out of range values of it (even if the results are
+ // completely bogus in this case), so we check item validity ourselves
+ wxCHECK_MSG( subItem == wxLIST_GETSUBITEMRECT_WHOLEITEM ||
+ (subItem >= 0 && subItem < GetColumnCount()),
+ 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,
+ wxT("invalid item in GetSubItemRect") );
int codeWin;
if ( code == wxLIST_RECT_BOUNDS )
codeWin = LVIR_LABEL;
else
{
- wxFAIL_MSG( _T("incorrect code in GetItemRect()") );
-
+ wxFAIL_MSG( wxT("incorrect code in GetItemRect() / GetSubItemRect()") );
codeWin = LVIR_BOUNDS;
}
- bool success = ListView_GetItemRect(GetHwnd(), (int) item, &rectWin, codeWin) != 0;
+ RECT rectWin;
+ if ( !wxGetListCtrlSubItemRect
+ (
+ GetHwnd(),
+ item,
+ subItem == wxLIST_GETSUBITEMRECT_WHOLEITEM ? 0 : subItem,
+ codeWin,
+ rectWin
+ ) )
+ {
+ return false;
+ }
+
+ wxCopyRECTToRect(rectWin, rect);
- rect.x = rectWin.left;
- rect.y = rectWin.top;
- rect.width = rectWin.right - rectWin.left;
- rect.height = rectWin.bottom - rectWin.top;
+ // 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 && code == wxLIST_RECT_BOUNDS )
+ rect.width = GetColumnWidth(0);
- return success;
+ return true;
}
+
+
+
// Gets the item position
bool wxListCtrl::GetItemPosition(long item, wxPoint& pos) const
{
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
DeleteAllColumns();
}
+void wxListCtrl::InitEditControl(WXHWND hWnd)
+{
+ m_textCtrl->SetHWND(hWnd);
+ m_textCtrl->SubclassWin(hWnd);
+ m_textCtrl->SetParent(this);
+
+ // 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)
+ m_textCtrl->SetWindowStyle(m_textCtrl->GetWindowStyle() | wxTE_PROCESS_TAB);
+}
+
wxTextCtrl* wxListCtrl::EditLabel(long item, wxClassInfo* textControlClass)
{
- wxASSERT( (textControlClass->IsKindOf(CLASSINFO(wxTextCtrl))) );
+ wxCHECK_MSG( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)), NULL,
+ "control used for label editing must be a wxTextCtrl" );
// ListView_EditLabel requires that the list has focus.
SetFocus();
+ // create m_textCtrl here before calling ListView_EditLabel() because it
+ // generates wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT event from inside it and
+ // the user handler for it can call GetEditControl() resulting in an on
+ // demand creation of a stock wxTextCtrl instead of the control of a
+ // (possibly) custom wxClassInfo
+ DeleteEditControl();
+ m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject();
+
WXHWND hWnd = (WXHWND) ListView_EditLabel(GetHwnd(), item);
if ( !hWnd )
{
// failed to start editing
- return NULL;
- }
+ wxDELETE(m_textCtrl);
- // [re]create the text control wrapping the HWND we got
- if ( m_textCtrl )
- {
- m_textCtrl->UnsubclassWin();
- m_textCtrl->SetHWND(0);
- delete m_textCtrl;
+ return NULL;
}
- m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject();
- m_textCtrl->SetHWND(hWnd);
- m_textCtrl->SubclassWin(hWnd);
- m_textCtrl->SetParent(this);
-
- // we must disallow TABbing away from the control while the edit contol 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)
- m_textCtrl->SetWindowStyle(m_textCtrl->GetWindowStyle() | wxTE_PROCESS_TAB);
+ // if GetEditControl() hasn't been called, we need to initialize the edit
+ // control ourselves
+ if ( !m_textCtrl->GetHWND() )
+ InitEditControl(hWnd);
return m_textCtrl;
}
{
// m_textCtrl is not always ready, ie. in EVT_LIST_BEGIN_LABEL_EDIT
HWND hwnd = ListView_GetEditControl(GetHwnd());
- bool b = (hwnd != NULL);
- if (b)
+ if ( !hwnd )
+ return false;
+
+ // Newer versions of Windows have a special message for cancelling editing,
+ // use it if available.
+#ifdef ListView_CancelEditLabel
+ if ( cancel && (wxApp::GetComCtl32Version() >= 600) )
{
- if (cancel)
- ::SetWindowText(hwnd, wxEmptyString); // dubious but better than nothing
- if (m_textCtrl)
- {
- m_textCtrl->UnsubclassWin();
- m_textCtrl->SetHWND(0);
- delete m_textCtrl;
- m_textCtrl = NULL;
- }
- ::DestroyWindow(hwnd);
+ 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 b;
+
+ return true;
}
// Ensures this item is visible
findInfo.flags = LVFI_STRING;
if ( partial )
findInfo.flags |= LVFI_PARTIAL;
- findInfo.psz = str;
+ findInfo.psz = str.wx_str();
// ListView_FindItem() excludes the first item from search and to look
// through all the items you need to start from -1 which is unnatural and
// 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]);
- return -1;
+ 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 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,
// giving details in 'flags' (see wxLIST_HITTEST_... flags above)
-long wxListCtrl::HitTest(const wxPoint& point, int& flags)
+long
+wxListCtrl::HitTest(const wxPoint& point, int& flags, long *ptrSubItem) const
{
LV_HITTESTINFO hitTestInfo;
hitTestInfo.pt.x = (int) point.x;
hitTestInfo.pt.y = (int) point.y;
- ListView_HitTest(GetHwnd(), & hitTestInfo);
+ long item;
+#ifdef LVM_SUBITEMHITTEST
+ if ( ptrSubItem && wxApp::GetComCtl32Version() >= 470 )
+ {
+ item = ListView_SubItemHitTest(GetHwnd(), &hitTestInfo);
+ *ptrSubItem = hitTestInfo.iSubItem;
+ }
+ else
+#endif // LVM_SUBITEMHITTEST
+ {
+ item = ListView_HitTest(GetHwnd(), &hitTestInfo);
+ }
flags = 0;
flags |= wxLIST_HITTEST_ONITEMSTATEICON;
}
- return (long) hitTestInfo.iItem;
+ return item;
}
+
// Inserts an item, returning the index of the new item if successful,
// -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
// and remember that we have some now...
m_hasAnyAttr = true;
}
- };
+ }
+
+ const long rv = ListView_InsertItem(GetHwnd(), & item);
- 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);
}
-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;
}
// message processing
// ----------------------------------------------------------------------------
-bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id)
+bool wxListCtrl::MSWShouldPreProcessMessage(WXMSG* msg)
{
+ if ( msg->message == WM_KEYDOWN )
+ {
+ // Only eat VK_RETURN if not being used by the application in
+ // conjunction with modifiers
+ if ( msg->wParam == VK_RETURN && !wxIsAnyModifierDown() )
+ {
+ // we need VK_RETURN to generate wxEVT_COMMAND_LIST_ITEM_ACTIVATED
+ return false;
+ }
+ }
+ return wxControl::MSWShouldPreProcessMessage(msg);
+}
+
+bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id_)
+{
+ const int id = (signed short)id_;
if (cmd == EN_UPDATE)
{
wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id);
return false;
}
+// utility used by wxListCtrl::MSWOnNotify and by wxDataViewHeaderWindowMSW::MSWOnNotify
+int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick)
+{
+ // find the column clicked: we have to search for it ourselves as the
+ // notification message doesn't provide this info
+
+ // where did the click occur?
+#if defined(__WXWINCE__) && !defined(__HANDHELDPC__) && _WIN32_WCE < 400
+ if ( nmhdr->code == GN_CONTEXTMENU )
+ {
+ *ptClick = ((NMRGINFO*)nmhdr)->ptAction;
+ }
+ else
+#endif //__WXWINCE__
+ if ( !::GetCursorPos(ptClick) )
+ {
+ wxLogLastError(wxT("GetCursorPos"));
+ }
+
+ // we need to use listctrl coordinates for the event point so this is what
+ // we return in ptClick, but for comparison with Header_GetItemRect()
+ // result below we need to use header window coordinates
+ POINT ptClickHeader = *ptClick;
+ if ( !::ScreenToClient(nmhdr->hwndFrom, &ptClickHeader) )
+ {
+ wxLogLastError(wxT("ScreenToClient(listctrl header)"));
+ }
+
+ if ( !::ScreenToClient(::GetParent(nmhdr->hwndFrom), ptClick) )
+ {
+ wxLogLastError(wxT("ScreenToClient(listctrl)"));
+ }
+
+ const int colCount = Header_GetItemCount(nmhdr->hwndFrom);
+ for ( int col = 0; col < colCount; col++ )
+ {
+ RECT rect;
+ if ( Header_GetItemRect(nmhdr->hwndFrom, col, &rect) )
+ {
+ if ( ::PtInRect(&rect, ptClickHeader) )
+ {
+ return col;
+ }
+ }
+ }
+
+ return wxNOT_FOUND;
+}
+
bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
{
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:
#endif //__WXWINCE__
case NM_RCLICK:
{
- eventType = wxEVT_COMMAND_LIST_COL_RIGHT_CLICK;
- event.m_col = -1;
-
- // find the column clicked: we have to search for it
- // ourselves as the notification message doesn't provide
- // this info
-
- // where did the click occur?
POINT ptClick;
-#if defined(__WXWINCE__) && !defined(__HANDHELDPC__) && _WIN32_WCE < 400
- if(nmhdr->code == GN_CONTEXTMENU) {
- ptClick = ((NMRGINFO*)nmhdr)->ptAction;
- } else
-#endif //__WXWINCE__
- if ( !::GetCursorPos(&ptClick) )
- {
- wxLogLastError(_T("GetCursorPos"));
- }
-
- if ( !::ScreenToClient(GetHwnd(), &ptClick) )
- {
- wxLogLastError(_T("ScreenToClient(listctrl header)"));
- }
+ eventType = wxEVT_COMMAND_LIST_COL_RIGHT_CLICK;
+ event.m_col = wxMSWGetColumnClicked(nmhdr, &ptClick);
event.m_pointDrag.x = ptClick.x;
event.m_pointDrag.y = ptClick.y;
-
- int colCount = Header_GetItemCount(hwndHdr);
-
- RECT rect;
- for ( int col = 0; col < colCount; col++ )
- {
- if ( Header_GetItemRect(hwndHdr, col, &rect) )
- {
- if ( ::PtInRect(&rect, ptClick) )
- {
- event.m_col = col;
- break;
- }
- }
- }
}
break;
// parameters
//
// I have no idea what is the real cause of the bug (which is,
- // just to make things interesting, is impossible to reproduce
+ // just to make things interesting, impossible to reproduce
// reliably) but ignoring all these messages does fix it and
// doesn't seem to have any negative consequences
return true;
default:
- return wxControl::MSWOnNotify(idCtrl, lParam, result);
+ ignore = true;
}
+
+ if ( ignore )
+ return wxControl::MSWOnNotify(idCtrl, lParam, result);
}
else
#endif // defined(HDN_BEGINTRACKA)
- if ( nmhdr->hwndFrom == GetHwnd() )
+ if ( nmhdr->hwndFrom == GetHwnd() )
{
// almost all messages use NM_LISTVIEW
NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr;
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;
const LV_ITEM& lvi = (LV_ITEM)item;
if ( !lvi.pszText || lvi.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;
- }
+ // EDIT control will be deleted by the list control
+ // itself so prevent us from deleting it as well
+ DeleteEditControl();
event.SetEditCanceled(true);
}
eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
event.m_itemIndex = iItem;
- // delete the assoicated internal data
- wxDeleteInternalData(this, iItem);
- break;
-#if WXWIN_COMPATIBILITY_2_4
- case LVN_SETDISPINFO:
- {
- eventType = wxEVT_COMMAND_LIST_SET_INFO;
- LV_DISPINFO *info = (LV_DISPINFO *)lParam;
- wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
- }
break;
-#endif
case LVN_INSERTITEM:
eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
// focus event from here and the selection one
// below
event.SetEventType(eventType);
- (void)GetEventHandler()->ProcessEvent(event);
+ (void)HandleWindowEvent(event);
}
else // no focus event to send
{
wxLIST_STATE_SELECTED);
// <Enter> or <Space> activate the selected item if any (but
- // not with Shift and/or Ctrl as then they have a predefined
- // meaning for the list view)
+ // not with any modifiers as they have a predefined meaning
+ // then)
if ( lItem != -1 &&
(wVKey == VK_RETURN || wVKey == VK_SPACE) &&
- !(wxIsShiftDown() || wxIsCtrlDown()) )
+ !wxIsAnyModifierDown() )
{
eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
}
{
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,
if ( lvi.mask & LVIF_TEXT )
{
wxString text = OnGetItemText(item, lvi.iSubItem);
- wxStrncpy(lvi.pszText, text, lvi.cchTextMax);
+ wxStrlcpy(lvi.pszText, text.c_str(), lvi.cchTextMax);
}
// see comment at the end of wxListCtrl::GetColumn()
}
#endif // NM_CUSTOMDRAW
- // a little dose of healthy paranoia: as we never use
- // LVM_SETCALLBACKMASK we're not supposed to get these ones
- wxASSERT_MSG( !(lvi.mask & LVIF_STATE),
- _T("we don't support state callbacks yet!") );
+ // even though we never use LVM_SETCALLBACKMASK, we still
+ // can get messages with LVIF_STATE in lvi.mask under Vista
+ if ( lvi.mask & LVIF_STATE )
+ {
+ // we don't have anything to return from here...
+ lvi.stateMask = 0;
+ }
return true;
}
event.SetEventType(eventType);
- bool processed = GetEventHandler()->ProcessEvent(event);
+ // 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
*result = event.IsAllowed();
- // 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;
- }
+ // EDIT control will be deleted by the list control itself so
+ // prevent us from deleting it as well
+ DeleteEditControl();
return true;
}
static RECT GetCustomDrawnItemRect(const NMCUSTOMDRAW& nmcd)
{
RECT rc;
- ListView_GetItemRect(nmcd.hdr.hwndFrom, nmcd.dwItemSpec, &rc, LVIR_BOUNDS);
+ wxGetListCtrlItemRect(nmcd.hdr.hwndFrom, nmcd.dwItemSpec, LVIR_BOUNDS, rc);
RECT rcIcon;
- ListView_GetItemRect(nmcd.hdr.hwndFrom, nmcd.dwItemSpec, &rcIcon, LVIR_ICON);
+ wxGetListCtrlItemRect(nmcd.hdr.hwndFrom, nmcd.dwItemSpec, LVIR_ICON, rcIcon);
// exclude the icon part, neither the selection background nor focus rect
// should cover it
return rc;
}
-static void HandleSubItemPrepaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont)
+static
+bool HandleSubItemPrepaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont, int colCount)
{
NMCUSTOMDRAW& nmcd = pLVCD->nmcd;
HDC hdc = nmcd.hdc;
HWND hwndList = nmcd.hdr.hwndFrom;
+ const int col = pLVCD->iSubItem;
const DWORD item = nmcd.dwItemSpec;
-
// the font must be valid, otherwise we wouldn't be painting the item at all
SelectInHDC selFont(hdc, hfont);
// get the rectangle to paint
+ int subitem = colCount ? col + 1 : col;
RECT rc;
- ListView_GetSubItemRect(hwndList, item, pLVCD->iSubItem, LVIR_BOUNDS, &rc);
- if ( !pLVCD->iSubItem )
- {
- // broken ListView_GetSubItemRect() returns the entire item rect for
- // 0th subitem while we really need just the part for this column
- RECT rc2;
- ListView_GetSubItemRect(hwndList, item, 1, LVIR_BOUNDS, &rc2);
-
- rc.right = rc2.left;
- rc.left += 4;
- }
- else // not first subitem
- {
- rc.left += 6;
- }
+ wxGetListCtrlSubItemRect(hwndList, item, subitem, LVIR_BOUNDS, rc);
+ rc.left += 6;
// get the image and text to draw
wxChar text[512];
wxZeroMemory(it);
it.mask = LVIF_TEXT | LVIF_IMAGE;
it.iItem = item;
- it.iSubItem = pLVCD->iSubItem;
+ it.iSubItem = col;
it.pszText = text;
it.cchTextMax = WXSIZEOF(text);
ListView_GetItem(hwndList, &it);
::SetBkMode(hdc, TRANSPARENT);
- // TODO: support for centred/right aligned columns
- ::DrawText(hdc, text, -1, &rc,
+ UINT fmt = DT_SINGLELINE |
#ifndef __WXWINCE__
DT_WORD_ELLIPSIS |
#endif // __WXWINCE__
- DT_NOPREFIX | DT_SINGLELINE | DT_VCENTER);
+ DT_NOPREFIX |
+ DT_VCENTER;
+
+ LV_COLUMN lvCol;
+ wxZeroMemory(lvCol);
+ lvCol.mask = LVCF_FMT;
+ if ( ListView_GetColumn(hwndList, col, &lvCol) )
+ {
+ switch ( lvCol.fmt & LVCFMT_JUSTIFYMASK )
+ {
+ case LVCFMT_LEFT:
+ fmt |= DT_LEFT;
+ break;
+
+ case LVCFMT_CENTER:
+ fmt |= DT_CENTER;
+ break;
+
+ case LVCFMT_RIGHT:
+ fmt |= DT_RIGHT;
+ break;
+ }
+ }
+ //else: failed to get alignment, assume it's DT_LEFT (default)
+
+ DrawText(hdc, text, -1, &rc, fmt);
+
+ return true;
}
static void HandleItemPostpaint(NMCUSTOMDRAW nmcd)
}
// same thing for CDIS_FOCUS (except simpler as there is only one of them)
+ //
+ // NB: cast is needed to work around the bug in mingw32 headers which don't
+ // have it inside ListView_GetNextItem() itself (unlike SDK ones)
if ( ::GetFocus() == hwndList &&
- ListView_GetNextItem(hwndList, (WPARAM)-1, LVNI_FOCUSED) == item )
+ ListView_GetNextItem(
+ hwndList, static_cast<WPARAM>(-1), LVNI_FOCUSED) == item )
{
nmcd.uItemState |= CDIS_FOCUS;
}
for ( int col = 0; col < colCount; col++ )
{
pLVCD->iSubItem = col;
- HandleSubItemPrepaint(pLVCD, hfont);
+ HandleSubItemPrepaint(pLVCD, hfont, colCount);
}
HandleItemPostpaint(nmcd);
break;
case CDDS_ITEMPREPAINT:
+ // get a message for each subitem
+ return CDRF_NOTIFYITEMDRAW;
+
+ case CDDS_SUBITEM | CDDS_ITEMPREPAINT:
const int item = nmcd.dwItemSpec;
+ const int column = pLVCD->iSubItem;
// we get this message with item == 0 for an empty control, we
// must ignore it as calling OnGetItemAttr() would be wrong
if ( item < 0 || item >= GetItemCount() )
break;
+ // same for columns
+ if ( column < 0 || column >= GetColumnCount() )
+ break;
- return HandleItemPrepaint(this, pLVCD, DoGetItemAttr(item));
+ return HandleItemPrepaint(this, pLVCD, DoGetItemColumnAttr(item, column));
}
return CDRF_DODEFAULT;
// Necessary for drawing hrules and vrules, if specified
void wxListCtrl::OnPaint(wxPaintEvent& event)
{
- bool drawHRules = HasFlag(wxLC_HRULES);
- bool drawVRules = HasFlag(wxLC_VRULES);
+ const int itemCount = GetItemCount();
+ const bool drawHRules = HasFlag(wxLC_HRULES);
+ const bool drawVRules = HasFlag(wxLC_VRULES);
- if (!InReportView() || !drawHRules && !drawVRules)
+ if (!InReportView() || !(drawHRules || drawVRules) || !itemCount)
{
event.Skip();
return;
// Reset the device origin since it may have been set
dc.SetDeviceOrigin(0, 0);
- wxPen pen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID);
+ wxPen pen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT));
dc.SetPen(pen);
dc.SetBrush(* wxTRANSPARENT_BRUSH);
wxSize clientSize = GetClientSize();
wxRect itemRect;
- int itemCount = GetItemCount();
- int i;
if (drawHRules)
{
- long top = GetTopItem();
- for (i = top; i < top + GetCountPerPage() + 1; i++)
+ const long top = GetTopItem();
+ for ( int i = top; i < top + GetCountPerPage() + 1; i++ )
{
if (GetItemRect(i, itemRect))
{
{
cy = itemRect.GetBottom();
dc.DrawLine(0, cy, clientSize.x, cy);
+ break;
}
}
}
}
- i = itemCount - 1;
- if (drawVRules && (i > -1))
+
+ if (drawVRules)
{
wxRect firstItemRect;
GetItemRect(0, firstItemRect);
- if (GetItemRect(i, itemRect))
+ if (GetItemRect(itemCount - 1, itemRect))
{
// this is a fix for bug 673394: erase the pixels which we would
// otherwise leave on the screen
dc.SetPen(pen);
dc.SetBrush(*wxTRANSPARENT_BRUSH);
+
+ const int numCols = GetColumnCount();
+ wxVector<int> indexArray(numCols);
+ if ( !ListView_GetColumnOrderArray(GetHwnd(),
+ numCols,
+ &indexArray[0]) )
+ {
+ wxFAIL_MSG( wxT("invalid column index array in OnPaint()") );
+ return;
+ }
+
int x = itemRect.GetX();
- for (int col = 0; col < GetColumnCount(); col++)
+ for (int col = 0; col < numCols; col++)
{
- int colWidth = GetColumnWidth(col);
+ int colWidth = GetColumnWidth(indexArray[col]);
x += colWidth ;
dc.DrawLine(x-1, firstItemRect.GetY() - gap,
x-1, itemRect.GetBottom());
{
// 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::DoGetItemAttr(long item) const
+wxListItemAttr *wxListCtrl::DoGetItemColumnAttr(long item, long column) const
{
- return IsVirtual() ? OnGetItemAttr(item)
- : 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()),
void wxListCtrl::RefreshItem(long item)
{
- // strangely enough, ListView_Update() results in much more flicker here
- // than a dumb Refresh() -- why?
-#if 0
- if ( !ListView_Update(GetHwnd(), item) )
- {
- wxLogLastError(_T("ListView_Update"));
- }
-#else // 1
- wxRect rect;
- GetItemRect(item, rect);
- RefreshRect(rect);
-#endif // 0/1
+ RefreshItems(item, item);
}
void wxListCtrl::RefreshItems(long itemFrom, long itemTo)
{
- wxRect rect1, rect2;
- GetItemRect(itemFrom, rect1);
- GetItemRect(itemTo, rect2);
-
- wxRect rect = rect1;
- rect.height = rect2.GetBottom() - rect1.GetTop();
-
- RefreshRect(rect);
-}
-
-// ----------------------------------------------------------------------------
-// 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;
- }
+ ListView_RedrawItems(GetHwnd(), itemFrom, itemTo);
}
// ----------------------------------------------------------------------------
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;
else
{
// pszText is not const, hence the cast
- lvItem.pszText = (wxChar *)info.m_text.c_str();
+ lvItem.pszText = (wxChar *)info.m_text.wx_str();
if ( lvItem.pszText )
lvItem.cchTextMax = info.m_text.length();
else
if ( item.m_mask & wxLIST_MASK_TEXT )
{
lvCol.mask |= LVCF_TEXT;
- lvCol.pszText = (wxChar *)item.m_text.c_str(); // cast is safe
+ lvCol.pszText = (wxChar *)item.m_text.wx_str(); // cast is safe
}
if ( item.m_mask & wxLIST_MASK_FORMAT )
projects / wxWidgets.git / blobdiff