+ // 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);
+
+ if ( internaldata )
+ event.m_item.m_data = internaldata->lParam;
+ }
+
+ bool processed = true;
+ switch ( nmhdr->code )
+ {
+ case LVN_BEGINRDRAG:
+ eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG;
+ // fall through
+
+ case LVN_BEGINDRAG:
+ if ( eventType == wxEVT_NULL )
+ {
+ eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG;
+ }
+
+ event.m_itemIndex = iItem;
+ event.m_pointDrag.x = nmLV->ptAction.x;
+ event.m_pointDrag.y = nmLV->ptAction.y;
+ break;
+
+ // NB: we have to handle both *A and *W versions here because some
+ // versions of comctl32.dll send ANSI messages even to the
+ // Unicode windows
+ case LVN_BEGINLABELEDITA:
+ case LVN_BEGINLABELEDITW:
+ {
+ wxLV_ITEM item;
+ if ( nmhdr->code == LVN_BEGINLABELEDITA )
+ {
+ item.Init(((LV_DISPINFOA *)lParam)->item);
+ }
+ else // LVN_BEGINLABELEDITW
+ {
+ item.Init(((LV_DISPINFOW *)lParam)->item);
+ }
+
+ eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT;
+ wxConvertFromMSWListItem(GetHwnd(), event.m_item, item);
+ event.m_itemIndex = event.m_item.m_itemId;
+ }
+ break;
+
+ case LVN_ENDLABELEDITA:
+ case LVN_ENDLABELEDITW:
+ {
+ wxLV_ITEM item;
+ if ( nmhdr->code == LVN_ENDLABELEDITA )
+ {
+ item.Init(((LV_DISPINFOA *)lParam)->item);
+ }
+ else // LVN_ENDLABELEDITW
+ {
+ item.Init(((LV_DISPINFOW *)lParam)->item);
+ }
+
+ // was editing cancelled?
+ 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;
+ }
+
+ event.SetEditCanceled(true);
+ }
+
+ eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT;
+ wxConvertFromMSWListItem(NULL, event.m_item, item);
+ event.m_itemIndex = event.m_item.m_itemId;
+ }
+ break;
+
+ case LVN_COLUMNCLICK:
+ eventType = wxEVT_COMMAND_LIST_COL_CLICK;
+ event.m_itemIndex = -1;
+ event.m_col = nmLV->iSubItem;
+ break;
+
+ case LVN_DELETEALLITEMS:
+ 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
+ wxDeleteInternalData(this, iItem);
+ break;
+
+ case LVN_INSERTITEM:
+ eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
+ event.m_itemIndex = iItem;
+ break;
+
+ case LVN_ITEMCHANGED:
+ // we translate this catch all message into more interesting
+ // (and more easy to process) wxWidgets events
+
+ // first of all, we deal with the state change events only and
+ // only for valid items (item == -1 for the virtual list
+ // control)
+ if ( nmLV->uChanged & LVIF_STATE && iItem != -1 )
+ {
+ // temp vars for readability
+ const UINT stOld = nmLV->uOldState;
+ const UINT stNew = nmLV->uNewState;
+
+ event.m_item.SetId(iItem);
+ event.m_item.SetMask(wxLIST_MASK_TEXT |
+ wxLIST_MASK_IMAGE |
+ wxLIST_MASK_DATA);
+ GetItem(event.m_item);
+
+ // has the focus changed?
+ if ( !(stOld & LVIS_FOCUSED) && (stNew & LVIS_FOCUSED) )
+ {
+ eventType = wxEVT_COMMAND_LIST_ITEM_FOCUSED;
+ event.m_itemIndex = iItem;
+ }
+
+ if ( (stNew & LVIS_SELECTED) != (stOld & LVIS_SELECTED) )
+ {
+ if ( eventType != wxEVT_NULL )
+ {
+ // focus and selection have both changed: send the
+ // focus event from here and the selection one
+ // below
+ event.SetEventType(eventType);
+ (void)GetEventHandler()->ProcessEvent(event);
+ }
+ else // no focus event to send
+ {
+ // then need to set m_itemIndex as it wasn't done
+ // above
+ event.m_itemIndex = iItem;
+ }
+
+ eventType = stNew & LVIS_SELECTED
+ ? wxEVT_COMMAND_LIST_ITEM_SELECTED
+ : wxEVT_COMMAND_LIST_ITEM_DESELECTED;
+ }
+ }
+
+ if ( eventType == wxEVT_NULL )
+ {
+ // not an interesting event for us
+ return false;
+ }
+
+ break;
+
+ case LVN_KEYDOWN:
+ {
+ LV_KEYDOWN *info = (LV_KEYDOWN *)lParam;
+ WORD wVKey = info->wVKey;
+
+ // get the current selection
+ long lItem = GetNextItem(-1,
+ wxLIST_NEXT_ALL,
+ 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)
+ if ( lItem != -1 &&
+ (wVKey == VK_RETURN || wVKey == VK_SPACE) &&
+ !(wxIsShiftDown() || wxIsCtrlDown()) )
+ {
+ eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
+ }
+ else
+ {
+ 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_itemIndex =
+ event.m_item.m_itemId = lItem;
+
+ if ( lItem != -1 )
+ {
+ // fill the other fields too
+ event.m_item.m_text = GetItemText(lItem);
+ event.m_item.m_data = GetItemData(lItem);
+ }
+ }
+ break;
+
+ case NM_DBLCLK:
+ // if the user processes it in wxEVT_COMMAND_LEFT_CLICK(), don't do
+ // anything else
+ if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
+ {
+ return true;
+ }
+
+ // else translate it into wxEVT_COMMAND_LIST_ITEM_ACTIVATED event
+ // if it happened on an item (and not on empty place)
+ if ( iItem == -1 )
+ {
+ // not on item
+ return false;
+ }
+
+ eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
+ event.m_itemIndex = iItem;
+ event.m_item.m_text = GetItemText(iItem);
+ event.m_item.m_data = GetItemData(iItem);
+ break;
+
+#if defined(__WXWINCE__) && !defined(__HANDHELDPC__) && _WIN32_WCE < 400
+ case GN_CONTEXTMENU:
+#endif //__WXWINCE__
+ case NM_RCLICK:
projects / wxWidgets.git / blobdiff