X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2d33aec94c9217b94ada107fbd125db4c51c22ab..150c8d89c7f5e04045e55391b34167f2c4165b8b:/src/msw/listctrl.cpp diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp index bdab497417..943a87ae8d 100644 --- a/src/msw/listctrl.cpp +++ b/src/msw/listctrl.cpp @@ -51,63 +51,7 @@ #include #endif -#ifndef LVHT_ONITEM - #define LVHT_ONITEM \ - (LVHT_ONITEMICON | LVHT_ONITEMLABEL | LVHT_ONITEMSTATEICON) -#endif - -#ifndef LVM_SETEXTENDEDLISTVIEWSTYLE - #define LVM_SETEXTENDEDLISTVIEWSTYLE (0x1000 + 54) -#endif - -#ifndef LVS_EX_FULLROWSELECT - #define LVS_EX_FULLROWSELECT 0x00000020 -#endif - -#ifndef LVS_OWNERDATA - #define LVS_OWNERDATA 0x1000 -#endif - -// mingw32/cygwin don't have declarations for comctl32.dll 4.70+ stuff -#ifndef NM_CACHEHINT - typedef struct tagNMLVCACHEHINT - { - NMHDR hdr; - int iFrom; - int iTo; - } NMLVCACHEHINT; - - #define NM_CACHEHINT NMLVCACHEHINT -#endif - -#ifndef LVN_ODCACHEHINT - #define LVN_ODCACHEHINT (-113) -#endif - -#ifndef ListView_GetHeader - #define ListView_GetHeader(w) (HWND)SendMessage((w),LVM_GETHEADER,0,0) -#endif - -#ifndef LVM_GETHEADER - #define LVM_GETHEADER (LVM_FIRST+31) -#endif - -#ifndef Header_GetItemRect - #define Header_GetItemRect(w,i,r) \ - (BOOL)SendMessage((w),HDM_GETITEMRECT,(WPARAM)(i),(LPARAM)(r)) -#endif - -#ifndef HDM_GETITEMRECT - #define HDM_GETITEMRECT (HDM_FIRST+7) -#endif - -#ifndef LVCF_IMAGE - #define LVCF_IMAGE 0x0010 -#endif - -#ifndef LVCFMT_BITMAP_ON_RIGHT - #define LVCFMT_BITMAP_ON_RIGHT 0x1000 -#endif +#include "wx/msw/missing.h" // ---------------------------------------------------------------------------- // private functions @@ -129,6 +73,124 @@ static void wxConvertFromMSWListItem(HWND hwndListCtrl, static void wxConvertToMSWListCol(int col, const wxListItem& item, LV_COLUMN& lvCol); +// ---------------------------------------------------------------------------- +// private helper classes +// ---------------------------------------------------------------------------- + +// We have to handle both fooW and fooA notifications in several cases +// because of broken commctl.dll and/or unicows.dll. This class is used to +// convert LV_ITEMA and LV_ITEMW to LV_ITEM (which is either LV_ITEMA or +// LV_ITEMW depending on wxUSE_UNICODE setting), so that it can be processed +// by wxConvertToMSWListItem(). +class wxLV_ITEM +{ +public: + ~wxLV_ITEM() { delete m_buf; } + operator LV_ITEM&() const { return *m_item; } + +#if wxUSE_UNICODE + wxLV_ITEM(LV_ITEMW &item) : m_buf(NULL), m_item(&item) {} + wxLV_ITEM(LV_ITEMA &item) + { + m_item = new LV_ITEM((LV_ITEM&)item); + if ( (item.mask & LVIF_TEXT) && item.pszText ) + { + m_buf = new wxMB2WXbuf(wxConvLocal.cMB2WX(item.pszText)); + m_item->pszText = (wxChar*)m_buf->data(); + } + else + m_buf = NULL; + } +private: + wxMB2WXbuf *m_buf; + +#else // !wxUSE_UNICODE + wxLV_ITEM(LV_ITEMW &item) + { + m_item = new LV_ITEM((LV_ITEM&)item); + + // the code below doesn't compile without wxUSE_WCHAR_T and as I don't + // know if it's useful to have it at all (do we ever get Unicode + // notifications in ANSI mode? I don't think so...) I'm not going to + // write alternative implementation right now + // + // but if it is indeed used, we should simply directly use + // ::WideCharToMultiByte() here +#if wxUSE_WCHAR_T + if ( (item.mask & LVIF_TEXT) && item.pszText ) + { + m_buf = new wxWC2WXbuf(wxConvLocal.cWC2WX(item.pszText)); + m_item->pszText = (wxChar*)m_buf->data(); + } + else +#endif // wxUSE_WCHAR_T + m_buf = NULL; + } + wxLV_ITEM(LV_ITEMA &item) : m_buf(NULL), m_item(&item) {} +private: + wxWC2WXbuf *m_buf; +#endif // wxUSE_UNICODE/!wxUSE_UNICODE + + LV_ITEM *m_item; + + DECLARE_NO_COPY_CLASS(wxLV_ITEM) +}; + +/////////////////////////////////////////////////////// +// Problem: +// 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 +// the following items were out of sync. +// +// Solution: +// Under MSW the only way to associate data with a List +// item independant of its position in the list is to +// store a pointer to it in its lParam attribute. However +// user programs are already using this (via the +// SetItemData() GetItemData() calls). +// +// 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 +// }; +// +// To conserve memory, a wxListItemInternalData is +// only allocated for a LV_ITEM if text attributes or +// user data(lparam) are being set. + + +// class wxListItemInternalData +class wxListItemInternalData +{ +public: + wxListItemAttr *attr; + LPARAM lParam; // user data + + wxListItemInternalData() : attr(NULL), lParam(0) {} + ~wxListItemInternalData() + { + if (attr) + delete attr; + }; + + DECLARE_NO_COPY_CLASS(wxListItemInternalData) +}; + +// Get the internal data structure +static wxListItemInternalData *wxGetInternalData(HWND hwnd, long itemId); +static wxListItemInternalData *wxGetInternalData(wxListCtrl *ctl, long itemId); +static wxListItemAttr *wxGetInternalDataAttr(wxListCtrl *ctl, long itemId); +static void wxDeleteInternalData(wxListCtrl* ctl, long itemId); + + // ---------------------------------------------------------------------------- // events // ---------------------------------------------------------------------------- @@ -183,6 +245,7 @@ void wxListCtrl::Init() m_baseStyle = 0; m_colCount = 0; m_textCtrl = NULL; + m_AnyInternalData = FALSE; m_hasAnyAttr = FALSE; } @@ -280,7 +343,7 @@ bool wxListCtrl::DoCreateControl(int x, int y, int w, int h) 0, LVS_EX_FULLROWSELECT); } - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); SetForegroundColour(GetParent()->GetForegroundColour()); SubclassWin(m_hWnd); @@ -308,28 +371,23 @@ void wxListCtrl::UpdateStyle() } } -void wxListCtrl::FreeAllAttrs(bool dontRecreate) +void wxListCtrl::FreeAllInternalData() { - if ( m_hasAnyAttr ) + if (m_AnyInternalData) { - for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() ) - { - delete (wxListItemAttr *)node->Data(); - } + int n = GetItemCount(); + int i = 0; - m_attrs.Destroy(); - if ( !dontRecreate ) - { - m_attrs.Create(wxKEY_INTEGER, 1000); // just as def ctor - } + for (i = 0; i < n; i++) + wxDeleteInternalData(this, i); - m_hasAnyAttr = FALSE; + m_AnyInternalData = FALSE; } } wxListCtrl::~wxListCtrl() { - FreeAllAttrs(TRUE /* no need to recreate hash any more */); + FreeAllInternalData(); if ( m_textCtrl ) { @@ -535,6 +593,8 @@ bool wxListCtrl::GetColumn(int col, wxListItem& item) const LV_COLUMN lvCol; wxZeroMemory(lvCol); + lvCol.mask = LVCF_WIDTH; + if ( item.m_mask & wxLIST_MASK_TEXT ) { lvCol.mask |= LVCF_TEXT; @@ -542,7 +602,17 @@ bool wxListCtrl::GetColumn(int col, wxListItem& item) const lvCol.cchTextMax = 512; } - bool success = ListView_GetColumn(GetHwnd(), col, & lvCol) != 0; + if ( item.m_mask & wxLIST_MASK_FORMAT ) + { + lvCol.mask |= LVCF_FMT; + } + + if ( item.m_mask & wxLIST_MASK_IMAGE ) + { + lvCol.mask |= LVCF_IMAGE; + } + + bool success = ListView_GetColumn(GetHwnd(), col, &lvCol) != 0; // item.m_subItem = lvCol.iSubItem; item.m_width = lvCol.cx; @@ -555,13 +625,28 @@ bool wxListCtrl::GetColumn(int col, wxListItem& item) const if ( item.m_mask & wxLIST_MASK_FORMAT ) { - if (lvCol.fmt == LVCFMT_LEFT) - item.m_format = wxLIST_FORMAT_LEFT; - else if (lvCol.fmt == LVCFMT_RIGHT) - item.m_format = wxLIST_FORMAT_RIGHT; - else if (lvCol.fmt == LVCFMT_CENTER) - item.m_format = wxLIST_FORMAT_CENTRE; + switch (lvCol.fmt & LVCFMT_JUSTIFYMASK) { + case LVCFMT_LEFT: + item.m_format = wxLIST_FORMAT_LEFT; + break; + case LVCFMT_RIGHT: + item.m_format = wxLIST_FORMAT_RIGHT; + break; + case LVCFMT_CENTER: + item.m_format = wxLIST_FORMAT_CENTRE; + break; + default: + item.m_format = -1; // Unknown? + break; + } + } + +#if _WIN32_IE >= 0x0300 + if ( item.m_mask & wxLIST_MASK_IMAGE ) + { + item.m_image = lvCol.iImage; } +#endif return success; } @@ -669,6 +754,42 @@ bool wxListCtrl::SetItem(wxListItem& info) LV_ITEM item; wxConvertToMSWListItem(this, info, item); + // we never update the lParam if it contains our pointer + // to the wxListItemInternalData structure + item.mask &= ~LVIF_PARAM; + + // check if setting attributes or lParam + if (info.HasAttributes() || (info.m_mask & wxLIST_MASK_DATA)) + { + // get internal item data + // perhaps a cache here ? + wxListItemInternalData *data = wxGetInternalData(this, info.m_itemId); + + if (! data) + { + // need to set it + m_AnyInternalData = TRUE; + data = new wxListItemInternalData(); + item.lParam = (LPARAM) data; + item.mask |= LVIF_PARAM; + }; + + + // user data + if (info.m_mask & wxLIST_MASK_DATA) + data->lParam = info.m_data; + + // attributes + if (info.HasAttributes()) + { + if (data->attr) + *data->attr = *info.GetAttributes(); + else + data->attr = new wxListItemAttr(*info.GetAttributes()); + }; + }; + + // we could be changing only the attribute in which case we don't need to // call ListView_SetItem() at all if ( item.mask ) @@ -688,13 +809,6 @@ bool wxListCtrl::SetItem(wxListItem& info) // check whether it has any custom attributes if ( info.HasAttributes() ) { - wxListItemAttr *attr = (wxListItemAttr *)m_attrs.Get(item.iItem); - - if ( attr == NULL ) - m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes())); - else - *attr = *info.GetAttributes(); - m_hasAnyAttr = TRUE; // if the colour has changed, we must redraw the item @@ -752,8 +866,9 @@ bool wxListCtrl::SetItemState(long item, long state, long stateMask) wxConvertToMSWFlags(state, stateMask, lvItem); // for the virtual list controls we need to refresh the previously focused - // item manually when changing focus programmatically because otherwise it - // keeps its focus rectangle until next repaint (yet another comctl32 bug) + // 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) && @@ -776,7 +891,13 @@ bool wxListCtrl::SetItemState(long item, long state, long stateMask) if ( focusOld != -1 ) { - RefreshItem(focusOld); + // no need to refresh the item if it was previously selected, it would + // only result in annoying flicker + if ( !(GetItemState(focusOld, + wxLIST_STATE_SELECTED) & wxLIST_STATE_SELECTED) ) + { + RefreshItem(focusOld); + } } return TRUE; @@ -803,7 +924,7 @@ wxString wxListCtrl::GetItemText(long item) const info.m_itemId = item; if (!GetItem(info)) - return wxString(""); + return wxEmptyString; return info.m_text; } @@ -863,11 +984,7 @@ bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const codeWin = LVIR_BOUNDS; } -#ifdef __WXWINE__ - bool success = ListView_GetItemRect(GetHwnd(), (int) item, &rectWin ) != 0; -#else bool success = ListView_GetItemRect(GetHwnd(), (int) item, &rectWin, codeWin) != 0; -#endif rect.x = rectWin.left; rect.y = rectWin.top; @@ -908,6 +1025,38 @@ int wxListCtrl::GetItemSpacing(bool isSmall) const return ListView_GetItemSpacing(GetHwnd(), (BOOL) isSmall); } +void wxListCtrl::SetItemTextColour( long item, const wxColour &col ) +{ + wxListItem info; + info.m_itemId = item; + info.SetTextColour( col ); + SetItem( info ); +} + +wxColour wxListCtrl::GetItemTextColour( long item ) const +{ + wxListItem info; + info.m_itemId = item; + GetItem( info ); + return info.GetTextColour(); +} + +void wxListCtrl::SetItemBackgroundColour( long item, const wxColour &col ) +{ + wxListItem info; + info.m_itemId = item; + info.SetBackgroundColour( col ); + SetItem( info ); +} + +wxColour wxListCtrl::GetItemBackgroundColour( long item ) const +{ + wxListItem info; + info.m_itemId = item; + GetItem( info ); + return info.GetBackgroundColour(); +} + // Gets the number of selected items in the list control int wxListCtrl::GetSelectedItemCount() const { @@ -1128,21 +1277,34 @@ wxTextCtrl* wxListCtrl::EditLabel(long item, wxClassInfo* textControlClass) { wxASSERT( (textControlClass->IsKindOf(CLASSINFO(wxTextCtrl))) ); - // VS: ListView_EditLabel requires that the list has focus. + // ListView_EditLabel requires that the list has focus. SetFocus(); - HWND hWnd = (HWND) ListView_EditLabel(GetHwnd(), item); - if (m_textCtrl) + WXHWND hWnd = (WXHWND) ListView_EditLabel(GetHwnd(), item); + if ( !hWnd ) + { + // failed to start editing + return NULL; + } + + // [re]create the text control wrapping the HWND we got + if ( m_textCtrl ) { m_textCtrl->SetHWND(0); m_textCtrl->UnsubclassWin(); delete m_textCtrl; - m_textCtrl = NULL; } - m_textCtrl = (wxTextCtrl*) textControlClass->CreateObject(); - m_textCtrl->SetHWND((WXHWND) hWnd); - m_textCtrl->SubclassWin((WXHWND) hWnd); + 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); return m_textCtrl; } @@ -1182,14 +1344,22 @@ long wxListCtrl::FindItem(long start, const wxString& str, bool partial) // 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 long wxListCtrl::FindItem(long start, long data) { - LV_FINDINFO findInfo; + long idx = start + 1; + long count = GetItemCount(); - findInfo.flags = LVFI_PARAM; - findInfo.lParam = data; + while (idx < count) + { + if (GetItemData(idx) == data) + return idx; + idx++; + }; - return ListView_FindItem(GetHwnd(), (int) start, & findInfo); + return -1; } // Find an item nearest this position in the specified direction, starting from @@ -1254,22 +1424,30 @@ long wxListCtrl::InsertItem(wxListItem& info) LV_ITEM item; wxConvertToMSWListItem(this, info, item); + item.mask &= ~LVIF_PARAM; - // check whether it has any custom attributes - if ( info.HasAttributes() ) + // check wether 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; - wxListItemAttr *attr; - attr = (wxListItemAttr*) m_attrs.Get(item.iItem); - - if (attr == NULL) + // internal stucture that manages data + wxListItemInternalData *data = new wxListItemInternalData(); + item.lParam = (LPARAM) data; - m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes())); + if (info.m_mask & wxLIST_MASK_DATA) + data->lParam = info.m_data; - else *attr = *info.GetAttributes(); - - m_hasAnyAttr = TRUE; + // check whether it has any custom attributes + if ( info.HasAttributes() ) + { + // take copy of attributes + data->attr = new wxListItemAttr(*info.GetAttributes()); } + }; + return (long) ListView_InsertItem(GetHwnd(), & item); } @@ -1366,14 +1544,18 @@ long wxListCtrl::InsertColumn(long col, return InsertColumn(col, item); } -// Scrolls the list control. If in icon, small icon or report view mode, -// x specifies the number of pixels to scroll. If in list view mode, x -// specifies the number of columns to scroll. -// If in icon, small icon or list view mode, y specifies the number of pixels -// to scroll. If in report view mode, y specifies the number of lines to scroll. +// scroll the control by the given number of pixels (exception: in list view, +// dx is interpreted as number of columns) bool wxListCtrl::ScrollList(int dx, int dy) { - return (ListView_Scroll(GetHwnd(), dx, dy) != 0); + if ( !ListView_Scroll(GetHwnd(), dx, dy) ) + { + wxLogDebug(_T("ListView_Scroll(%d, %d) failed"), dx, dy); + + return FALSE; + } + + return TRUE; } // Sort items. @@ -1388,62 +1570,40 @@ bool wxListCtrl::ScrollList(int dx, int dy) // data is arbitrary data to be passed to the sort function. -// FIXME: this is horrible and MT-unsafe and everything else but I don't have -// time for anything better right now (VZ) -static long gs_sortData = 0; -static wxListCtrl *gs_sortCtrl = NULL; -static wxListCtrlCompare gs_sortFunction = NULL; +// Internal structures for proxying the user compare function +// so that we can pass it the *real* user data -int wxCMPFUNC_CONV wxListCtrlCompareFn(const void *arg1, const void *arg2) +// translate lParam data and call user func +struct wxInternalDataSort { - int n1 = *(const int *)arg1, - n2 = *(const int *)arg2; - - return gs_sortFunction(gs_sortCtrl->GetItemData(n1), - gs_sortCtrl->GetItemData(n2), - gs_sortData); -} + wxListCtrlCompare user_fn; + long data; +}; -bool wxListCtrl::SortItems(wxListCtrlCompare fn, long data) +int CALLBACK wxInternalDataCompareFunc(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort) { - // sort the attributes too - if ( m_hasAnyAttr ) - { - int n, - count = GetItemCount(); - int *aItems = new int[count]; - for ( n = 0; n < count; n++ ) - { - aItems[n] = n; - } + struct wxInternalDataSort *internalData = (struct wxInternalDataSort *) lParamSort; - gs_sortData = data; - gs_sortCtrl = this; - gs_sortFunction = fn; + wxListItemInternalData *data1 = (wxListItemInternalData *) lParam1; + wxListItemInternalData *data2 = (wxListItemInternalData *) lParam2; - qsort(aItems, count, sizeof(int), wxListCtrlCompareFn); + long d1 = (data1 == NULL ? 0 : data1->lParam); + long d2 = (data2 == NULL ? 0 : data2->lParam); - gs_sortData = 0; - gs_sortCtrl = NULL; - gs_sortFunction = NULL; - - wxHashTable attrsNew(wxKEY_INTEGER, 1000); - for ( n = 0; n < count; n++ ) - { - wxObject *attr = m_attrs.Delete(aItems[n]); - if ( attr ) - { - attrsNew.Put(n, attr); - } - } + return internalData->user_fn(d1, d2, internalData->data); - m_attrs.Destroy(); - m_attrs = attrsNew; +}; - delete [] aItems; - } +bool wxListCtrl::SortItems(wxListCtrlCompare fn, long data) +{ + struct wxInternalDataSort internalData; + internalData.user_fn = fn; + internalData.data = data; - if ( !ListView_SortItems(GetHwnd(), (PFNLVCOMPARE)fn, data) ) + // WPARAM cast is needed for mingw/cygwin + if ( !ListView_SortItems(GetHwnd(), + wxInternalDataCompareFunc, + (WPARAM) &internalData) ) { wxLogDebug(_T("ListView_SortItems() failed")); @@ -1494,7 +1654,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // if your compiler is as broken as this, you should really change it: this // code is needed for normal operation! #ifdef below is only useful for // automatic rebuilds which are done with a very old compiler version -#ifdef LVM_FIRST +#ifdef HDN_BEGINTRACKA // check for messages from the header (in report view) HWND hwndHdr = ListView_GetHeader(GetHwnd()); @@ -1502,7 +1662,8 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // is it a message from the header? if ( nmhdr->hwndFrom == hwndHdr ) { - NMHEADER *nmHDR = (NMHEADER *)nmhdr; + HD_NOTIFY *nmHDR = (HD_NOTIFY *)nmhdr; + event.m_itemIndex = -1; switch ( nmhdr->code ) @@ -1514,6 +1675,11 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // 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 case HDN_BEGINTRACKA: case HDN_BEGINTRACKW: eventType = wxEVT_COMMAND_LIST_COL_BEGIN_DRAG; @@ -1529,6 +1695,8 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) case HDN_ENDTRACKW: if ( eventType == wxEVT_NULL ) eventType = wxEVT_COMMAND_LIST_COL_END_DRAG; + + event.m_item.m_width = nmHDR->pitem->cxy; event.m_col = nmHDR->iItem; break; @@ -1573,19 +1741,81 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) } break; + case HDN_GETDISPINFOW: + { + LPNMHDDISPINFOW info = (LPNMHDDISPINFOW) lParam; + // This is a fix for a strange bug under XP. + // Normally, info->iItem is a valid index, but + // sometimes this is a silly (large) number + // and when we return FALSE via wxControl::MSWOnNotify + // to indicate that it hasn't yet been processed, + // there's a GPF in Windows. + // By returning TRUE here, we avoid further processing + // of this strange message. + if ( info->iItem >= GetColumnCount() ) + return TRUE; + } + // fall through + default: return wxControl::MSWOnNotify(idCtrl, lParam, result); } } else -#endif // defined(LVM_FIRST) +#endif // defined(HDN_BEGINTRACKA) if ( nmhdr->hwndFrom == GetHwnd() ) { // almost all messages use NM_LISTVIEW NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr; - // this is true for almost all events - event.m_item.m_data = nmLV->lParam; + const int iItem = nmLV->iItem; + + // set the data event field for all messages for which the system gives + // us a valid NM_LISTVIEW::lParam + switch ( nmLV->hdr.code ) + { + case LVN_BEGINDRAG: + case LVN_BEGINRDRAG: + case LVN_COLUMNCLICK: + case LVN_ITEMCHANGED: + case LVN_ITEMCHANGING: + if ( iItem != -1 ) + { + if ( iItem >= GetItemCount() ) + { + // there is apparently a bug in comctl32.dll version + // 5.50.4704.1100 (note that the MS DLL database + // doesn't say what this version is, it's not the one + // shipped with W2K although the bug was reported under + // that system) and it sends us LVN_ITEMCHANGING + // notifications with the item out of range -- and as + // we access the items client data, we crash below + // + // see + // + // http://lists.wxwindows.org/cgi-bin/ezmlm-cgi?8:mss:29852:knlihdmadhaljafjajei + // + // and the thread continuation for more details + // (although note that the bug may be present in other + // versions of comctl32.dll as well as it has been + // reported quite a few times) + // + // to fix this, simply ignore these "bad" events (as + // above with HDN_GETDISPINFOW) + return TRUE; + } + + wxListItemInternalData *internaldata = + (wxListItemInternalData *) nmLV->lParam; + + if ( internaldata ) + event.m_item.m_data = internaldata->lParam; + } + + default: + // fall through + ; + } switch ( nmhdr->code ) { @@ -1599,16 +1829,51 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG; } - event.m_itemIndex = nmLV->iItem; + event.m_itemIndex = iItem; event.m_pointDrag.x = nmLV->ptAction.x; event.m_pointDrag.y = nmLV->ptAction.y; break; - case LVN_BEGINLABELEDIT: + // NB: we have to handle both *A and *W versions here because some + // versions of comctl32.dll send ANSI message to an Unicode app + case LVN_BEGINLABELEDITA: { eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT; - LV_DISPINFO *info = (LV_DISPINFO *)lParam; - wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item); + wxLV_ITEM item(((LV_DISPINFOA *)lParam)->item); + wxConvertFromMSWListItem(GetHwnd(), event.m_item, item); + event.m_itemIndex = event.m_item.m_itemId; + } + break; + case LVN_BEGINLABELEDITW: + { + eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT; + wxLV_ITEM item(((LV_DISPINFOW *)lParam)->item); + wxConvertFromMSWListItem(GetHwnd(), event.m_item, item); + event.m_itemIndex = event.m_item.m_itemId; + } + break; + + case LVN_ENDLABELEDITA: + { + eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT; + wxLV_ITEM item(((LV_DISPINFOA *)lParam)->item); + wxConvertFromMSWListItem(NULL, event.m_item, item); + if ( ((LV_ITEM)item).pszText == NULL || + ((LV_ITEM)item).iItem == -1 ) + return FALSE; + + event.m_itemIndex = event.m_item.m_itemId; + } + break; + case LVN_ENDLABELEDITW: + { + eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT; + wxLV_ITEM item(((LV_DISPINFOW *)lParam)->item); + wxConvertFromMSWListItem(NULL, event.m_item, item); + if ( ((LV_ITEM)item).pszText == NULL || + ((LV_ITEM)item).iItem == -1 ) + return FALSE; + event.m_itemIndex = event.m_item.m_itemId; } break; @@ -1622,31 +1887,13 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) case LVN_DELETEALLITEMS: eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS; event.m_itemIndex = -1; - - FreeAllAttrs(); - break; case LVN_DELETEITEM: eventType = wxEVT_COMMAND_LIST_DELETE_ITEM; - event.m_itemIndex = nmLV->iItem; - - if ( m_hasAnyAttr ) - { - delete (wxListItemAttr *)m_attrs.Delete(nmLV->iItem); - } - break; - - case LVN_ENDLABELEDIT: - { - eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT; - LV_DISPINFO *info = (LV_DISPINFO *)lParam; - wxConvertFromMSWListItem(NULL, event.m_item, info->item); - if ( info->item.pszText == NULL || info->item.iItem == -1 ) - return FALSE; - - event.m_itemIndex = event.m_item.m_itemId; - } + event.m_itemIndex = iItem; + // delete the assoicated internal data + wxDeleteInternalData(this, iItem); break; case LVN_SETDISPINFO: @@ -1659,25 +1906,33 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) case LVN_INSERTITEM: eventType = wxEVT_COMMAND_LIST_INSERT_ITEM; - event.m_itemIndex = nmLV->iItem; + event.m_itemIndex = iItem; break; case LVN_ITEMCHANGED: // we translate this catch all message into more interesting // (and more easy to process) wxWindows events - // first of all, we deal with the state change events only - if ( nmLV->uChanged & LVIF_STATE ) + // 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 = nmLV->iItem; + event.m_itemIndex = iItem; } if ( (stNew & LVIS_SELECTED) != (stOld & LVIS_SELECTED) ) @@ -1694,7 +1949,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) { // then need to set m_itemIndex as it wasn't done // above - event.m_itemIndex = nmLV->iItem; + event.m_itemIndex = iItem; } eventType = stNew & LVIS_SELECTED @@ -1762,16 +2017,16 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // else translate it into wxEVT_COMMAND_LIST_ITEM_ACTIVATED event // if it happened on an item (and not on empty place) - if ( nmLV->iItem == -1 ) + if ( iItem == -1 ) { // not on item return FALSE; } eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED; - event.m_itemIndex = nmLV->iItem; - event.m_item.m_text = GetItemText(nmLV->iItem); - event.m_item.m_data = GetItemData(nmLV->iItem); + event.m_itemIndex = iItem; + event.m_item.m_text = GetItemText(iItem); + event.m_item.m_data = GetItemData(iItem); break; case NM_RCLICK: @@ -1894,10 +2149,22 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) return TRUE; - case LVN_ENDLABELEDIT: + case LVN_ENDLABELEDITA: + case LVN_ENDLABELEDITW: // logic here is inversed 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->SetHWND(0); + m_textCtrl->UnsubclassWin(); + delete m_textCtrl; + m_textCtrl = NULL; + } + return TRUE; } @@ -1936,7 +2203,7 @@ WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam) wxListItemAttr *attr = IsVirtual() ? OnGetItemAttr(item) - : (wxListItemAttr *)m_attrs.Get(item); + : wxGetInternalDataAttr(this, item); if ( !attr ) { @@ -2014,7 +2281,7 @@ void wxListCtrl::OnPaint(wxPaintEvent& event) if ((GetWindowStyle() & wxLC_REPORT) == 0) return; - wxPen pen(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID); + wxPen pen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID); dc.SetPen(pen); dc.SetBrush(* wxTRANSPARENT_BRUSH); @@ -2059,7 +2326,7 @@ void wxListCtrl::OnPaint(wxPaintEvent& event) { int colWidth = GetColumnWidth(col); x += colWidth ; - dc.DrawLine(x, firstItemRect.GetY() - 2, x, itemRect.GetBottom()); + dc.DrawLine(x-1, firstItemRect.GetY() - 2, x-1, itemRect.GetBottom()); } } } @@ -2133,55 +2400,58 @@ void wxListCtrl::RefreshItems(long itemFrom, long itemTo) RefreshRect(rect); } -// ---------------------------------------------------------------------------- -// wxListItem -// ---------------------------------------------------------------------------- - -// List item structure -wxListItem::wxListItem() +static wxListItemInternalData *wxGetInternalData(HWND hwnd, long itemId) { - m_mask = 0; - m_itemId = 0; - m_col = 0; - m_state = 0; - m_stateMask = 0; - m_image = 0; - m_data = 0; - - m_format = wxLIST_FORMAT_CENTRE; - m_width = 0; + LV_ITEM it; + it.mask = LVIF_PARAM; + it.iItem = itemId; - m_attr = NULL; -} + bool success = ListView_GetItem(hwnd, &it) != 0; + if (success) + return (wxListItemInternalData *) it.lParam; + else + return NULL; +}; -void wxListItem::Clear() +static wxListItemInternalData *wxGetInternalData(wxListCtrl *ctl, long itemId) { - m_mask = 0; - m_itemId = 0; - m_col = 0; - m_state = 0; - m_stateMask = 0; - m_image = 0; - m_data = 0; - m_format = wxLIST_FORMAT_CENTRE; - m_width = 0; - m_text = wxEmptyString; + return wxGetInternalData((HWND) ctl->GetHWND(), itemId); +}; - if (m_attr) delete m_attr; - m_attr = NULL; -} +static wxListItemAttr *wxGetInternalDataAttr(wxListCtrl *ctl, long itemId) +{ + wxListItemInternalData *data = wxGetInternalData(ctl, itemId); + if (data) + return data->attr; + else + return NULL; +}; -void wxListItem::ClearAttributes() +static void wxDeleteInternalData(wxListCtrl* ctl, long itemId) { - if (m_attr) delete m_attr; - m_attr = NULL; + wxListItemInternalData *data = wxGetInternalData(ctl, itemId); + if (data) + { + delete data; + LV_ITEM item; + memset(&item, 0, sizeof(item)); + item.iItem = itemId; + item.mask = LVIF_PARAM; + item.lParam = (LPARAM) 0; + ListView_SetItem((HWND)ctl->GetHWND(), &item); + } } static void wxConvertFromMSWListItem(HWND hwndListCtrl, wxListItem& info, LV_ITEM& lvItem) { - info.m_data = lvItem.lParam; + wxListItemInternalData *internaldata = + (wxListItemInternalData *) lvItem.lParam; + + if (internaldata) + info.m_data = internaldata->lParam; + info.m_mask = 0; info.m_state = 0; info.m_stateMask = 0; @@ -2295,7 +2565,6 @@ static void wxConvertToMSWListItem(const wxListCtrl *ctrl, lvItem.iItem = (int) info.m_itemId; lvItem.iImage = info.m_image; - lvItem.lParam = info.m_data; lvItem.stateMask = 0; lvItem.state = 0; lvItem.mask = 0; @@ -2327,11 +2596,9 @@ static void wxConvertToMSWListItem(const wxListCtrl *ctrl, } if (info.m_mask & wxLIST_MASK_IMAGE) lvItem.mask |= LVIF_IMAGE; - if (info.m_mask & wxLIST_MASK_DATA) - lvItem.mask |= LVIF_PARAM; } -static void wxConvertToMSWListCol(int col, const wxListItem& item, +static void wxConvertToMSWListCol(int WXUNUSED(col), const wxListItem& item, LV_COLUMN& lvCol) { wxZeroMemory(lvCol);