X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6e2fef031b643ceda4ff4bd6f1920ecb20780c6e..cef55d6485619c56fb7af4c2cc23e8bbcb86b74f:/src/msw/listctrl.cpp diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp index 3c08663e15..6e8eba40b5 100644 --- a/src/msw/listctrl.cpp +++ b/src/msw/listctrl.cpp @@ -2,7 +2,7 @@ // 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 @@ -17,11 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "listctrl.h" - #pragma implementation "listctrlbase.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -29,19 +24,19 @@ #pragma hdrstop #endif -#if wxUSE_LISTCTRL && defined(__WIN95__) +#if wxUSE_LISTCTRL #ifndef WX_PRECOMP #include "wx/app.h" #include "wx/intl.h" #include "wx/log.h" #include "wx/settings.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/msw/private.h" @@ -56,6 +51,16 @@ // include "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. +// +#if defined(__VISUALC__) || defined(__BORLANDC__) || defined(NMLVFINDITEM) + #define HAVE_NMLVFINDITEM 1 +#elif defined(__DMC__) || defined(NM_FINDITEM) + #define HAVE_NMLVFINDITEM 1 + #define NMLVFINDITEM NM_FINDITEM +#endif + // ---------------------------------------------------------------------------- // private functions // ---------------------------------------------------------------------------- @@ -73,7 +78,9 @@ static void wxConvertFromMSWListItem(HWND hwndListCtrl, /* const */ LV_ITEM& lvItem); // convert our wxListItem to LV_COLUMN -static void wxConvertToMSWListCol(int col, const wxListItem& item, +static void wxConvertToMSWListCol(HWND hwndList, + int col, + const wxListItem& item, LV_COLUMN& lvCol); // ---------------------------------------------------------------------------- @@ -114,14 +121,14 @@ public: } // init with conversion - void Init(LV_ITEM_OTHER& item) + void Init(const LV_ITEM_OTHER& item) { // avoid unnecessary dynamic memory allocation, jjust make m_pItem // point to our own m_item // memcpy() can't work if the struct sizes are different wxCOMPILE_TIME_ASSERT( sizeof(LV_ITEM_OTHER) == sizeof(LV_ITEM_NATIVE), - CodeCantWorkIfDiffSizes); + CodeCantWorkIfDiffSizes); memcpy(&m_item, &item, sizeof(LV_ITEM_NATIVE)); @@ -166,7 +173,7 @@ private: // // Solution: // Under MSW the only way to associate data with a List -// item independant of its position in the list is to +// item independent 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). @@ -207,7 +214,7 @@ public: // Get the internal data structure static wxListItemInternalData *wxGetInternalData(HWND hwnd, long itemId); static wxListItemInternalData *wxGetInternalData(const wxListCtrl *ctl, long itemId); -static wxListItemAttr *wxGetInternalDataAttr(wxListCtrl *ctl, long itemId); +static wxListItemAttr *wxGetInternalDataAttr(const wxListCtrl *ctl, long itemId); static void wxDeleteInternalData(wxListCtrl* ctl, long itemId); @@ -221,8 +228,10 @@ 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) @@ -348,19 +357,23 @@ bool wxListCtrl::Create(wxWindow *parent, if ( !CreateControl(parent, id, pos, size, style, validator, name) ) return false; - if ( !MSWCreateControl(WC_LISTVIEW, _T(""), pos, size) ) + if ( !MSWCreateControl(WC_LISTVIEW, wxEmptyString, pos, size) ) return false; // explicitly say that we want to use Unicode because otherwise we get ANSI // versions of _some_ messages (notably LVN_GETDISPINFOA) in MSLU build wxSetCCUnicodeFormat(GetHwnd()); - // for comctl32.dll v 4.70+ we want to have this attribute because it's - // prettier (and also because wxGTK does it like this) - if ( InReportView() && wxTheApp->GetComCtl32Version() >= 470 ) + // We must set the default text colour to the system/theme color, otherwise + // GetTextColour will always return black + SetTextColour(GetDefaultAttributes().colFg); + + // 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_FULLROWSELECT); + 0, LVS_EX_LABELTIP | LVS_EX_FULLROWSELECT | LVS_EX_SUBITEMIMAGES); } return true; @@ -426,7 +439,7 @@ WXDWORD wxListCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const #if !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) ) if ( style & wxLC_VIRTUAL ) { - int ver = wxTheApp->GetComCtl32Version(); + int ver = wxApp::GetComCtl32Version(); if ( ver < 470 ) { wxLogWarning(_("Please install a newer version of comctl32.dll\n(at least version 4.70 is required but you have %d.%02d)\nor this program won't operate correctly."), @@ -493,9 +506,12 @@ 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; } // ---------------------------------------------------------------------------- @@ -649,10 +665,10 @@ bool wxListCtrl::GetColumn(int col, wxListItem& item) const } // Sets information about this column -bool wxListCtrl::SetColumn(int col, wxListItem& item) +bool wxListCtrl::SetColumn(int col, const wxListItem& item) { LV_COLUMN lvCol; - wxConvertToMSWListCol(col, item, lvCol); + wxConvertToMSWListCol(GetHwnd(), col, item, lvCol); return ListView_SetColumn(GetHwnd(), col, &lvCol) != 0; } @@ -666,17 +682,15 @@ int wxListCtrl::GetColumnWidth(int col) const // Sets the column width bool wxListCtrl::SetColumnWidth(int col, int width) { - int col2 = col; if ( m_windowStyle & wxLC_LIST ) - col2 = -1; + col = 0; - int width2 = width; - if ( width2 == wxLIST_AUTOSIZE) - width2 = LVSCW_AUTOSIZE; - else if ( width2 == wxLIST_AUTOSIZE_USEHEADER) - width2 = LVSCW_AUTOSIZE_USEHEADER; + if ( width == wxLIST_AUTOSIZE) + width = LVSCW_AUTOSIZE; + else if ( width == wxLIST_AUTOSIZE_USEHEADER) + width = LVSCW_AUTOSIZE_USEHEADER; - return ListView_SetColumnWidth(GetHwnd(), col2, width2) != 0; + return ListView_SetColumnWidth(GetHwnd(), col, width) != 0; } // Gets the number of items that can fit vertically in the @@ -723,8 +737,7 @@ bool wxListCtrl::GetItem(wxListItem& info) const if ( info.m_mask & wxLIST_MASK_STATE ) { lvItem.mask |= LVIF_STATE; - // the other bits are hardly interesting anyhow - lvItem.stateMask = LVIS_SELECTED | LVIS_FOCUSED; + wxConvertToMSWFlags(0, info.m_stateMask, lvItem); } bool success = ListView_GetItem((HWND)GetHWND(), &lvItem) != 0; @@ -748,6 +761,10 @@ bool wxListCtrl::GetItem(wxListItem& info) const // Sets information about the item bool wxListCtrl::SetItem(wxListItem& info) { + const long id = info.GetId(); + wxCHECK_MSG( id >= 0 && id < GetItemCount(), false, + _T("invalid item index in SetItem") ); + LV_ITEM item; wxConvertToMSWListItem(this, info, item); @@ -760,7 +777,7 @@ bool wxListCtrl::SetItem(wxListItem& info) { // get internal item data // perhaps a cache here ? - wxListItemInternalData *data = wxGetInternalData(this, info.m_itemId); + wxListItemInternalData *data = wxGetInternalData(this, id); if (! data) { @@ -777,12 +794,15 @@ bool wxListCtrl::SetItem(wxListItem& info) data->lParam = info.m_data; // attributes - if (info.HasAttributes()) + if ( info.HasAttributes() ) { - if (data->attr) - *data->attr = *info.GetAttributes(); + const wxListItemAttr& attrNew = *info.GetAttributes(); + + // don't overwrite the already set attributes if we have them + if ( data->attr ) + data->attr->AssignFrom(attrNew); else - data->attr = new wxListItemAttr(*info.GetAttributes()); + data->attr = new wxListItemAttr(attrNew); }; }; @@ -902,12 +922,19 @@ bool wxListCtrl::SetItemState(long item, long state, long stateMask) // Sets the item image bool wxListCtrl::SetItemImage(long item, int image, int WXUNUSED(selImage)) +{ + return SetItemColumnImage(item, 0, image); +} + +// Sets the item image +bool wxListCtrl::SetItemColumnImage(long item, long column, int image) { wxListItem info; info.m_mask = wxLIST_MASK_IMAGE; info.m_image = image; info.m_itemId = item; + info.m_col = column; return SetItem(info); } @@ -938,7 +965,7 @@ void wxListCtrl::SetItemText(long item, const wxString& str) } // Gets the item data -long wxListCtrl::GetItemData(long item) const +wxUIntPtr wxListCtrl::GetItemData(long item) const { wxListItem info; @@ -983,6 +1010,24 @@ wxRect wxListCtrl::GetViewRect() const // Gets the item rectangle bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const +{ + return GetSubItemRect( item, wxLIST_GETSUBITEMRECT_WHOLEITEM, rect, code) ; +} + +/*! + * Retrieve coordinates and size of a specified subitem of a listview control. + * This function only works if the listview control is in the report mode. + * + * @param item : Item number + * @param subItem : Subitem or column number, use -1 for the whole row including + * all columns or subitems + * @param rect : A pointer to an allocated wxRect object + * @param code : Specify the part of the subitem coordinates you need. Choices are + * wxLIST_RECT_BOUNDS, wxLIST_RECT_ICON, wxLIST_RECT_LABEL + * + * @return bool : True if successful. + */ +bool wxListCtrl::GetSubItemRect(long item, long subItem, wxRect& rect, int code) const { RECT rectWin; @@ -995,12 +1040,24 @@ bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const codeWin = LVIR_LABEL; else { - wxFAIL_MSG( _T("incorrect code in GetItemRect()") ); - + wxFAIL_MSG( _T("incorrect code in GetItemRect() / GetSubItemRect()") ); codeWin = LVIR_BOUNDS; } - bool success = ListView_GetItemRect(GetHwnd(), (int) item, &rectWin, codeWin) != 0; + bool success; + if( subItem == wxLIST_GETSUBITEMRECT_WHOLEITEM) + { + success = ListView_GetItemRect(GetHwnd(), (int) item, &rectWin, codeWin) != 0; + } + else if( subItem >= 0) + { + success = ListView_GetSubItemRect( GetHwnd(), (int) item, (int) subItem, codeWin, &rectWin) != 0; + } + else + { + wxFAIL_MSG( _T("incorrect subItem number in GetSubItemRect()") ); + return false; + } rect.x = rectWin.left; rect.y = rectWin.top; @@ -1010,6 +1067,9 @@ bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const return success; } + + + // Gets the item position bool wxListCtrl::GetItemPosition(long item, wxPoint& pos) const { @@ -1040,11 +1100,15 @@ wxSize wxListCtrl::GetItemSpacing() const return wxSize(LOWORD(spacing), HIWORD(spacing)); } +#if WXWIN_COMPATIBILITY_2_6 + int wxListCtrl::GetItemSpacing(bool isSmall) const { return ListView_GetItemSpacing(GetHwnd(), (BOOL) isSmall); } +#endif // WXWIN_COMPATIBILITY_2_6 + void wxListCtrl::SetItemTextColour( long item, const wxColour &col ) { wxListItem info; @@ -1081,6 +1145,24 @@ wxColour wxListCtrl::GetItemBackgroundColour( long item ) const return col; } +void wxListCtrl::SetItemFont( long item, const wxFont &f ) +{ + wxListItem info; + info.m_itemId = item; + info.SetFont( f ); + SetItem( info ); +} + +wxFont wxListCtrl::GetItemFont( long item ) const +{ + wxFont f; + wxListItemInternalData *data = wxGetInternalData(this, item); + if ( data && data->attr ) + f = data->attr->GetFont(); + + return f; +} + // Gets the number of selected items in the list control int wxListCtrl::GetSelectedItemCount() const { @@ -1185,7 +1267,7 @@ void wxListCtrl::SetImageList(wxImageList *imageList, int which) m_imageListState = imageList; m_ownsImageListState = false; } - ListView_SetImageList(GetHwnd(), (HIMAGELIST) imageList ? imageList->GetHIMAGELIST() : 0, flags); + (void) ListView_SetImageList(GetHwnd(), (HIMAGELIST) imageList ? imageList->GetHIMAGELIST() : 0, flags); } void wxListCtrl::AssignImageList(wxImageList *imageList, int which) @@ -1228,7 +1310,7 @@ 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")); @@ -1260,7 +1342,6 @@ bool wxListCtrl::DeleteItem(long item) // Deletes all items bool wxListCtrl::DeleteAllItems() { - FreeAllInternalData(); return ListView_DeleteAllItems(GetHwnd()) != 0; } @@ -1339,11 +1420,25 @@ wxTextCtrl* wxListCtrl::EditLabel(long item, wxClassInfo* textControlClass) } // End label editing, optionally cancelling the edit -bool wxListCtrl::EndEditLabel(bool WXUNUSED(cancel)) +bool wxListCtrl::EndEditLabel(bool cancel) { - wxFAIL_MSG( _T("not implemented") ); - - return false; + // 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 (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); + } + return b; } // Ensures this item is visible @@ -1376,7 +1471,7 @@ long wxListCtrl::FindItem(long start, const wxString& str, bool partial) // 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) +long wxListCtrl::FindItem(long start, wxUIntPtr data) { long idx = start + 1; long count = GetItemCount(); @@ -1416,38 +1511,66 @@ long wxListCtrl::FindItem(long start, const wxPoint& pt, int direction) // 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; + if ( hitTestInfo.flags & LVHT_ABOVE ) flags |= wxLIST_HITTEST_ABOVE; if ( hitTestInfo.flags & LVHT_BELOW ) flags |= wxLIST_HITTEST_BELOW; - if ( hitTestInfo.flags & LVHT_NOWHERE ) - flags |= wxLIST_HITTEST_NOWHERE; - if ( hitTestInfo.flags & LVHT_ONITEMICON ) - flags |= wxLIST_HITTEST_ONITEMICON; - if ( hitTestInfo.flags & LVHT_ONITEMLABEL ) - flags |= wxLIST_HITTEST_ONITEMLABEL; - if ( hitTestInfo.flags & LVHT_ONITEMSTATEICON ) - flags |= wxLIST_HITTEST_ONITEMSTATEICON; if ( hitTestInfo.flags & LVHT_TOLEFT ) flags |= wxLIST_HITTEST_TOLEFT; if ( hitTestInfo.flags & LVHT_TORIGHT ) flags |= wxLIST_HITTEST_TORIGHT; - return (long) hitTestInfo.iItem; + if ( hitTestInfo.flags & LVHT_NOWHERE ) + flags |= wxLIST_HITTEST_NOWHERE; + + // note a bug or at least a very strange feature of comtl32.dll (tested + // with version 4.0 under Win95 and 6.0 under Win 2003): if you click to + // the right of the item label, ListView_HitTest() returns a combination of + // LVHT_ONITEMICON, LVHT_ONITEMLABEL and LVHT_ONITEMSTATEICON -- filter out + // the bits which don't make sense + if ( hitTestInfo.flags & LVHT_ONITEMLABEL ) + { + flags |= wxLIST_HITTEST_ONITEMLABEL; + + // do not translate LVHT_ONITEMICON here, as per above + } + else + { + if ( hitTestInfo.flags & LVHT_ONITEMICON ) + flags |= wxLIST_HITTEST_ONITEMICON; + if ( hitTestInfo.flags & LVHT_ONITEMSTATEICON ) + flags |= wxLIST_HITTEST_ONITEMSTATEICON; + } + + return item; } + // Inserts an item, returning the index of the new item if successful, // -1 otherwise. -long wxListCtrl::InsertItem(wxListItem& info) +long wxListCtrl::InsertItem(const wxListItem& info) { wxASSERT_MSG( !IsVirtual(), _T("can't be used with virtual controls") ); @@ -1520,10 +1643,10 @@ long wxListCtrl::InsertItem(long index, const wxString& label, int imageIndex) } // For list view mode (only), inserts a column. -long wxListCtrl::InsertColumn(long col, wxListItem& item) +long wxListCtrl::InsertColumn(long col, const wxListItem& item) { LV_COLUMN lvCol; - wxConvertToMSWListCol(col, item, lvCol); + wxConvertToMSWListCol(GetHwnd(), col, item, lvCol); if ( !(lvCol.mask & LVCF_WIDTH) ) { @@ -1613,7 +1736,7 @@ int CALLBACK wxInternalDataCompareFunc(LPARAM lParam1, LPARAM lParam2, LPARAM l return internalData->user_fn(d1, d2, internalData->data); -}; +} bool wxListCtrl::SortItems(wxListCtrlCompare fn, long data) { @@ -1772,20 +1895,15 @@ 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 ( (unsigned)info->iItem >= (unsigned)GetColumnCount() ) - return true; - } - // fall through + // letting Windows XP handle this message results in mysterious + // crashes in comctl32.dll seemingly because of bad message + // parameters + // + // I have no idea what is the real cause of the bug (which is, + // just to make things interesting, is 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); @@ -1805,7 +1923,8 @@ 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; } @@ -1822,7 +1941,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) event.m_item.m_data = internaldata->lParam; } - + bool processed = true; switch ( nmhdr->code ) { case LVN_BEGINRDRAG: @@ -1906,16 +2025,17 @@ 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; @@ -1923,6 +2043,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) wxDeleteInternalData(this, iItem); break; +#if WXWIN_COMPATIBILITY_2_4 case LVN_SETDISPINFO: { eventType = wxEVT_COMMAND_LIST_SET_INFO; @@ -1930,6 +2051,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item); } break; +#endif case LVN_INSERTITEM: eventType = wxEVT_COMMAND_LIST_INSERT_ITEM; @@ -2094,7 +2216,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) case NM_CUSTOMDRAW: *result = OnCustomDraw(lParam); - return true; + return *result != CDRF_DODEFAULT; #endif // _WIN32_IE >= 0x300 case LVN_ODCACHEHINT: @@ -2118,6 +2240,78 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) } break; +#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 ) + { + NMLVFINDITEM* pFindInfo = (NMLVFINDITEM*)lParam; + + // no match by default + *result = -1; + + // we only handle string-based searches here + // + // TODO: what about LVFI_PARTIAL, should we handle this? + if ( !(pFindInfo->lvfi.flags & LVFI_STRING) ) + { + return false; + } + + const wxChar * const searchstr = pFindInfo->lvfi.psz; + const size_t len = wxStrlen(searchstr); + + // this is the first item we should examine, search from it + // wrapping if necessary + const int startPos = pFindInfo->iStart; + const int maxPos = GetItemCount(); + wxCHECK_MSG( startPos <= maxPos, false, + _T("bad starting position in LVN_ODFINDITEM") ); + + int currentPos = startPos; + do + { + // wrap to the beginning if necessary + if ( currentPos == maxPos ) + { + // somewhat surprizingly, LVFI_WRAP isn't set in + // flags but we still should wrap + currentPos = 0; + } + + // 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; + } + + SetItemState(*result, + wxLIST_STATE_SELECTED | wxLIST_STATE_FOCUSED, + wxLIST_STATE_SELECTED | wxLIST_STATE_FOCUSED); + EnsureVisible(*result); + return true; + } + else + { + processed = false; + } + break; +#endif // HAVE_NMLVFINDITEM + case LVN_GETDISPINFO: if ( IsVirtual() ) { @@ -2136,7 +2330,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) #ifdef NM_CUSTOMDRAW if ( lvi.mask & LVIF_IMAGE ) { - lvi.iImage = OnGetItemImage(item); + lvi.iImage = OnGetItemColumnImage(item, lvi.iSubItem); } #endif // NM_CUSTOMDRAW @@ -2150,8 +2344,11 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // fall through default: - return wxControl::MSWOnNotify(idCtrl, lParam, result); + processed = false; } + + if ( !processed ) + return wxControl::MSWOnNotify(idCtrl, lParam, result); } else { @@ -2175,11 +2372,19 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // notifications - this makes deleting all items from a list ctrl // much faster *result = TRUE; + + // 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: case LVN_ENDLABELEDITW: - // logic here is inversed compared to all the other messages + // logic here is inverted compared to all the other messages *result = event.IsAllowed(); // don't keep a stale wxTextCtrl around @@ -2202,13 +2407,238 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) return processed; } +// ---------------------------------------------------------------------------- +// custom draw stuff +// ---------------------------------------------------------------------------- + // see comment at the end of wxListCtrl::GetColumn() #ifdef NM_CUSTOMDRAW // _WIN32_IE >= 0x0300 +static RECT GetCustomDrawnItemRect(const NMCUSTOMDRAW& nmcd) +{ + RECT rc; + ListView_GetItemRect(nmcd.hdr.hwndFrom, nmcd.dwItemSpec, &rc, LVIR_BOUNDS); + + RECT rcIcon; + ListView_GetItemRect(nmcd.hdr.hwndFrom, nmcd.dwItemSpec, &rcIcon, LVIR_ICON); + + // exclude the icon part, neither the selection background nor focus rect + // should cover it + rc.left = rcIcon.right; + + return rc; +} + +static void HandleSubItemPrepaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont) +{ + NMCUSTOMDRAW& nmcd = pLVCD->nmcd; + + HDC hdc = nmcd.hdc; + HWND hwndList = nmcd.hdr.hwndFrom; + 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 + 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; + } + + // get the image and text to draw + wxChar text[512]; + LV_ITEM it; + wxZeroMemory(it); + it.mask = LVIF_TEXT | LVIF_IMAGE; + it.iItem = item; + it.iSubItem = pLVCD->iSubItem; + it.pszText = text; + it.cchTextMax = WXSIZEOF(text); + ListView_GetItem(hwndList, &it); + + HIMAGELIST himl = ListView_GetImageList(hwndList, LVSIL_SMALL); + if ( himl && ImageList_GetImageCount(himl) ) + { + if ( it.iImage != -1 ) + { + ImageList_Draw(himl, it.iImage, hdc, rc.left, rc.top, + nmcd.uItemState & CDIS_SELECTED ? ILD_SELECTED + : ILD_TRANSPARENT); + } + + // notice that even if this item doesn't have any image, the list + // control still leaves space for the image in the first column if the + // image list is not empty (presumably so that items with and without + // images align?) + if ( it.iImage != -1 || it.iSubItem == 0 ) + { + int wImage, hImage; + ImageList_GetIconSize(himl, &wImage, &hImage); + + rc.left += wImage + 2; + } + } + + ::SetBkMode(hdc, TRANSPARENT); + + // TODO: support for centred/right aligned columns + ::DrawText(hdc, text, -1, &rc, +#ifndef __WXWINCE__ + DT_WORD_ELLIPSIS | +#endif // __WXWINCE__ + DT_NOPREFIX | DT_SINGLELINE | DT_VCENTER); +} + +static void HandleItemPostpaint(NMCUSTOMDRAW nmcd) +{ + if ( nmcd.uItemState & CDIS_FOCUS ) + { + RECT rc = GetCustomDrawnItemRect(nmcd); + + // don't use the provided HDC, it's in some strange state by now + ::DrawFocusRect(WindowHDC(nmcd.hdr.hwndFrom), &rc); + } +} + +// pLVCD->clrText and clrTextBk should contain the colours to use +static void HandleItemPaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont) +{ + NMCUSTOMDRAW& nmcd = pLVCD->nmcd; // just a shortcut + + const HWND hwndList = nmcd.hdr.hwndFrom; + const int item = nmcd.dwItemSpec; + + // unfortunately we can't trust CDIS_SELECTED, it is often set even when + // the item is not at all selected for some reason (comctl32 6), but we + // also can't always trust ListView_GetItem() as it could return the old + // item status if we're called just after the (de)selection, so remember + // the last item to gain selection and also check for it here + for ( int i = -1;; ) + { + i = ListView_GetNextItem(hwndList, i, LVNI_SELECTED); + if ( i == -1 ) + { + nmcd.uItemState &= ~CDIS_SELECTED; + break; + } + + if ( i == item ) + { + nmcd.uItemState |= CDIS_SELECTED; + break; + } + } + + // same thing for CDIS_FOCUS (except simpler as there is only one of them) + if ( ::GetFocus() == hwndList && + ListView_GetNextItem(hwndList, (WPARAM)-1, LVNI_FOCUSED) == item ) + { + nmcd.uItemState |= CDIS_FOCUS; + } + else + { + nmcd.uItemState &= ~CDIS_FOCUS; + } + + if ( nmcd.uItemState & CDIS_SELECTED ) + { + int syscolFg, syscolBg; + if ( ::GetFocus() == hwndList ) + { + syscolFg = COLOR_HIGHLIGHTTEXT; + syscolBg = COLOR_HIGHLIGHT; + } + else // selected but unfocused + { + syscolFg = COLOR_WINDOWTEXT; + syscolBg = COLOR_BTNFACE; + + // don't grey out the icon in this case neither + nmcd.uItemState &= ~CDIS_SELECTED; + } + + pLVCD->clrText = ::GetSysColor(syscolFg); + pLVCD->clrTextBk = ::GetSysColor(syscolBg); + } + //else: not selected, use normal colours from pLVCD + + HDC hdc = nmcd.hdc; + RECT rc = GetCustomDrawnItemRect(nmcd); + + ::SetTextColor(hdc, pLVCD->clrText); + ::FillRect(hdc, &rc, AutoHBRUSH(pLVCD->clrTextBk)); + + // we could use CDRF_NOTIFYSUBITEMDRAW here but it results in weird repaint + // problems so just draw everything except the focus rect from here instead + const int colCount = Header_GetItemCount(ListView_GetHeader(hwndList)); + for ( int col = 0; col < colCount; col++ ) + { + pLVCD->iSubItem = col; + HandleSubItemPrepaint(pLVCD, hfont); + } + + HandleItemPostpaint(nmcd); +} + +static WXLPARAM HandleItemPrepaint(wxListCtrl *listctrl, + LPNMLVCUSTOMDRAW pLVCD, + wxListItemAttr *attr) +{ + if ( !attr ) + { + // nothing to do for this item + return CDRF_DODEFAULT; + } + + + // set the colours to use for text drawing + pLVCD->clrText = attr->HasTextColour() + ? wxColourToRGB(attr->GetTextColour()) + : wxColourToRGB(listctrl->GetTextColour()); + pLVCD->clrTextBk = attr->HasBackgroundColour() + ? wxColourToRGB(attr->GetBackgroundColour()) + : wxColourToRGB(listctrl->GetBackgroundColour()); + + // select the font if non default one is specified + if ( attr->HasFont() ) + { + wxFont font = attr->GetFont(); + if ( font.GetEncoding() != wxFONTENCODING_SYSTEM ) + { + // the standard control ignores the font encoding/charset, at least + // with recent comctl32.dll versions (5 and 6, it uses to work with + // 4.something) so we have to draw the item entirely ourselves in + // this case + HandleItemPaint(pLVCD, GetHfontOf(font)); + return CDRF_SKIPDEFAULT; + } + + ::SelectObject(pLVCD->nmcd.hdc, GetHfontOf(font)); + + return CDRF_NEWFONT; + } + + return CDRF_DODEFAULT; +} + WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam) { - LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW)lParam; - NMCUSTOMDRAW& nmcd = lplvcd->nmcd; + LPNMLVCUSTOMDRAW pLVCD = (LPNMLVCUSTOMDRAW)lParam; + NMCUSTOMDRAW& nmcd = pLVCD->nmcd; switch ( nmcd.dwDrawStage ) { case CDDS_PREPAINT: @@ -2217,78 +2647,22 @@ WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam) // // for virtual controls, always suppose that we have attributes as // there is no way to check for this - return IsVirtual() || m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW - : CDRF_DODEFAULT; + if ( IsVirtual() || m_hasAnyAttr ) + return CDRF_NOTIFYITEMDRAW; + break; case CDDS_ITEMPREPAINT: - { - size_t item = (size_t)nmcd.dwItemSpec; - if ( item >= (size_t)GetItemCount() ) - { - // we get this message with item == 0 for an empty control, - // we must ignore it as calling OnGetItemAttr() would be - // wrong - return CDRF_DODEFAULT; - } - - wxListItemAttr *attr = - IsVirtual() ? OnGetItemAttr(item) - : wxGetInternalDataAttr(this, item); - - if ( !attr ) - { - // nothing to do for this item - return CDRF_DODEFAULT; - } + const int item = nmcd.dwItemSpec; - HFONT hFont; - wxColour colText, colBack; - if ( attr->HasFont() ) - { - wxFont font = attr->GetFont(); - hFont = (HFONT)font.GetResourceHandle(); - } - else - { - hFont = 0; - } - - if ( attr->HasTextColour() ) - { - colText = attr->GetTextColour(); - } - else - { - colText = GetTextColour(); - } - - if ( attr->HasBackgroundColour() ) - { - colBack = attr->GetBackgroundColour(); - } - else - { - colBack = GetBackgroundColour(); - } - - lplvcd->clrText = wxColourToRGB(colText); - lplvcd->clrTextBk = wxColourToRGB(colBack); - - // note that if we wanted to set colours for - // individual columns (subitems), we would have - // returned CDRF_NOTIFYSUBITEMREDRAW from here - if ( hFont ) - { - ::SelectObject(nmcd.hdc, hFont); - - return CDRF_NEWFONT; - } - } - // fall through to return CDRF_DODEFAULT + // 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; - default: - return CDRF_DODEFAULT; + return HandleItemPrepaint(this, pLVCD, DoGetItemAttr(item)); } + + return CDRF_DODEFAULT; } #endif // NM_CUSTOMDRAW supported @@ -2296,6 +2670,15 @@ WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam) // Necessary for drawing hrules and vrules, if specified void wxListCtrl::OnPaint(wxPaintEvent& event) { + bool drawHRules = HasFlag(wxLC_HRULES); + bool drawVRules = HasFlag(wxLC_VRULES); + + if (!InReportView() || !drawHRules && !drawVRules) + { + event.Skip(); + return; + } + wxPaintDC dc(this); wxControl::OnPaint(event); @@ -2303,12 +2686,6 @@ void wxListCtrl::OnPaint(wxPaintEvent& event) // Reset the device origin since it may have been set dc.SetDeviceOrigin(0, 0); - bool drawHRules = HasFlag(wxLC_HRULES); - bool drawVRules = HasFlag(wxLC_VRULES); - - if (!InReportView() || !drawHRules && !drawVRules) - return; - wxPen pen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID); dc.SetPen(pen); dc.SetBrush(* wxTRANSPARENT_BRUSH); @@ -2347,18 +2724,54 @@ void wxListCtrl::OnPaint(wxPaintEvent& event) if (GetItemRect(i, itemRect)) { - int col; + // this is a fix for bug 673394: erase the pixels which we would + // otherwise leave on the screen + static const int gap = 2; + dc.SetPen(*wxTRANSPARENT_PEN); + dc.SetBrush(wxBrush(GetBackgroundColour())); + dc.DrawRectangle(0, firstItemRect.GetY() - gap, + clientSize.GetWidth(), gap); + + dc.SetPen(pen); + dc.SetBrush(*wxTRANSPARENT_BRUSH); int x = itemRect.GetX(); - for (col = 0; col < GetColumnCount(); col++) + for (int col = 0; col < GetColumnCount(); col++) { int colWidth = GetColumnWidth(col); x += colWidth ; - dc.DrawLine(x-1, firstItemRect.GetY() - 2, x-1, itemRect.GetBottom()); + dc.DrawLine(x-1, firstItemRect.GetY() - gap, + x-1, itemRect.GetBottom()); } } } } +WXLRESULT +wxListCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) +{ + switch ( nMsg ) + { +#ifdef WM_PRINT + case WM_PRINT: + // we should bypass our own WM_PRINT handling as we don't handle + // PRF_CHILDREN flag, so leave it to the native control itself + return MSWDefWindowProc(nMsg, wParam, lParam); +#endif // WM_PRINT + + case WM_CONTEXTMENU: + // because this message is propagated upwards the child-parent + // chain, we get it for the right clicks on the header window but + // this is confusing in wx as right clicking there already + // generates a separate wxEVT_COMMAND_LIST_COL_RIGHT_CLICK event + // so just ignore them + if ( (HWND)wParam == ListView_GetHeader(GetHwnd()) ) + return 0; + //else: break + } + + return wxControl::MSWWindowProc(nMsg, wParam, lParam); +} + // ---------------------------------------------------------------------------- // virtual list controls // ---------------------------------------------------------------------------- @@ -2374,8 +2787,16 @@ wxString wxListCtrl::OnGetItemText(long WXUNUSED(item), long WXUNUSED(col)) cons int wxListCtrl::OnGetItemImage(long WXUNUSED(item)) const { - // same as above - wxFAIL_MSG( _T("wxListCtrl::OnGetItemImage not supposed to be called") ); + wxCHECK_MSG(!GetImageList(wxIMAGE_LIST_SMALL), + -1, + wxT("List control has an image list, OnGetItemImage or OnGetItemColumnImage should be overridden.")); + return -1; +} + +int wxListCtrl::OnGetItemColumnImage(long item, long column) const +{ + if (!column) + return OnGetItemImage(item); return -1; } @@ -2389,6 +2810,12 @@ wxListItemAttr *wxListCtrl::OnGetItemAttr(long WXUNUSED_UNLESS_DEBUG(item)) cons return NULL; } +wxListItemAttr *wxListCtrl::DoGetItemAttr(long item) const +{ + return IsVirtual() ? OnGetItemAttr(item) + : wxGetInternalDataAttr(this, item); +} + void wxListCtrl::SetItemCount(long count) { wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") ); @@ -2445,20 +2872,21 @@ static wxListItemInternalData *wxGetInternalData(HWND hwnd, long itemId) return NULL; return (wxListItemInternalData *) it.lParam; -}; +} static wxListItemInternalData *wxGetInternalData(const wxListCtrl *ctl, long itemId) { return wxGetInternalData(GetHwndOf(ctl), itemId); -}; +} -static wxListItemAttr *wxGetInternalDataAttr(wxListCtrl *ctl, long 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) { @@ -2626,7 +3054,7 @@ static void wxConvertToMSWListItem(const wxListCtrl *ctrl, // pszText is not const, hence the cast lvItem.pszText = (wxChar *)info.m_text.c_str(); if ( lvItem.pszText ) - lvItem.cchTextMax = info.m_text.Length(); + lvItem.cchTextMax = info.m_text.length(); else lvItem.cchTextMax = 0; } @@ -2635,7 +3063,9 @@ static void wxConvertToMSWListItem(const wxListCtrl *ctrl, lvItem.mask |= LVIF_IMAGE; } -static void wxConvertToMSWListCol(int WXUNUSED(col), const wxListItem& item, +static void wxConvertToMSWListCol(HWND hwndList, + int col, + const wxListItem& item, LV_COLUMN& lvCol) { wxZeroMemory(lvCol); @@ -2673,18 +3103,36 @@ static void wxConvertToMSWListCol(int WXUNUSED(col), const wxListItem& item, #ifdef NM_CUSTOMDRAW // _WIN32_IE >= 0x0300 if ( item.m_mask & wxLIST_MASK_IMAGE ) { - if ( wxTheApp->GetComCtl32Version() >= 470 ) + if ( wxApp::GetComCtl32Version() >= 470 ) { - lvCol.mask |= LVCF_IMAGE | LVCF_FMT; + lvCol.mask |= LVCF_IMAGE; - // we use LVCFMT_BITMAP_ON_RIGHT because thei mages on the right + // we use LVCFMT_BITMAP_ON_RIGHT because the images on the right // seem to be generally nicer than on the left and the generic // version only draws them on the right (we don't have a flag to // specify the image location anyhow) // // we don't use LVCFMT_COL_HAS_IMAGES because it doesn't seem to // make any difference in my tests -- but maybe we should? - lvCol.fmt |= LVCFMT_BITMAP_ON_RIGHT | LVCFMT_IMAGE; + if ( item.m_image != -1 ) + { + // as we're going to overwrite the format field, get its + // current value first -- unless we want to overwrite it anyhow + if ( !(lvCol.mask & LVCF_FMT) ) + { + LV_COLUMN lvColOld; + wxZeroMemory(lvColOld); + lvColOld.mask = LVCF_FMT; + if ( ListView_GetColumn(hwndList, col, &lvColOld) ) + { + lvCol.fmt = lvColOld.fmt; + } + + lvCol.mask |= LVCF_FMT; + } + + lvCol.fmt |= LVCFMT_BITMAP_ON_RIGHT | LVCFMT_IMAGE; + } lvCol.iImage = item.m_image; } @@ -2694,4 +3142,3 @@ static void wxConvertToMSWListCol(int WXUNUSED(col), const wxListItem& item, } #endif // wxUSE_LISTCTRL -