X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1c6f24145ec676f8943c0133d7568fbea1bb161e..c1637c8933a99cbce15d896ea43d741a14b8155a:/src/msw/listctrl.cpp diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp index d933639972..90c122a4cc 100644 --- a/src/msw/listctrl.cpp +++ b/src/msw/listctrl.cpp @@ -495,9 +495,12 @@ wxListCtrl::~wxListCtrl() m_textCtrl = NULL; } - if (m_ownsImageListNormal) delete m_imageListNormal; - if (m_ownsImageListSmall) delete m_imageListSmall; - if (m_ownsImageListState) delete m_imageListState; + if (m_ownsImageListNormal) + delete m_imageListNormal; + if (m_ownsImageListSmall) + delete m_imageListSmall; + if (m_ownsImageListState) + delete m_imageListState; } // ---------------------------------------------------------------------------- @@ -1230,7 +1233,7 @@ bool wxListCtrl::DeleteItem(long item) return false; } - m_count -= 1; + m_count--; wxASSERT_MSG( m_count == ListView_GetItemCount(GetHwnd()), wxT("m_count should match ListView_GetItemCount")); @@ -1816,7 +1819,8 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // 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))) + ( (nmLV->hdr.code == LVN_ITEMCHANGED) || + (nmLV->hdr.code == LVN_ITEMCHANGING)) ) { return true; } @@ -1917,16 +1921,17 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) break; case LVN_DELETEALLITEMS: - m_count = 0; eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS; event.m_itemIndex = -1; break; case LVN_DELETEITEM: - if (m_count == 0) - // this should be prevented by the post-processing code below, - // but "just in case" + 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; @@ -2192,6 +2197,10 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // also, we may free all user data now (couldn't do it before as // the user should have access to it in OnDeleteAllItems() handler) FreeAllInternalData(); + + // the control is empty now, synchronize the cached number of items + // with the real one + m_count = 0; return true; case LVN_ENDLABELEDITA: