X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/625cb8c0b1ac12f26265cae2c69d7f510de0edb1..a83b5b74c365705144f9359d4527e4b2d073f569:/src/msw/listctrl.cpp diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp index 4f3ed90f60..baf227794a 100644 --- a/src/msw/listctrl.cpp +++ b/src/msw/listctrl.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: listctrl.cpp +// Name: src/msw/listctrl.cpp // Purpose: wxListCtrl // Author: Julian Smart // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,7 +17,7 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "listctrl.h" #pragma implementation "listctrlbase.h" #endif @@ -45,44 +45,16 @@ #include "wx/msw/private.h" -#if ((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__)) - #include "wx/msw/gnuwin32/extra.h" -#else - #include -#endif - -#ifndef LVHT_ONITEM - #define LVHT_ONITEM \ - (LVHT_ONITEMICON | LVHT_ONITEMLABEL | LVHT_ONITEMSTATEICON) +#if defined(__WXWINCE__) && !defined(__HANDHELDPC__) + #include + #include + #if _WIN32_WCE < 400 + #include + #endif #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 +// include "properly" +#include "wx/msw/wrapcctl.h" // ---------------------------------------------------------------------------- // private functions @@ -100,6 +72,145 @@ static void wxConvertFromMSWListItem(HWND hwndListCtrl, wxListItem& info, /* const */ LV_ITEM& lvItem); +// convert our wxListItem to LV_COLUMN +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 comctl32.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(). +#if wxUSE_UNICODE + #define LV_ITEM_NATIVE LV_ITEMW + #define LV_ITEM_OTHER LV_ITEMA + + #define LV_CONV_TO_WX cMB2WX + #define LV_CONV_BUF wxMB2WXbuf +#else // ANSI + #define LV_ITEM_NATIVE LV_ITEMA + #define LV_ITEM_OTHER LV_ITEMW + + #define LV_CONV_TO_WX cWC2WX + #define LV_CONV_BUF wxWC2WXbuf +#endif // Unicode/ANSI + +class wxLV_ITEM +{ +public: + // default ctor, use Init() later + wxLV_ITEM() { m_buf = NULL; m_pItem = NULL; } + + // init without conversion + void Init(LV_ITEM_NATIVE& item) + { + wxASSERT_MSG( !m_pItem, _T("Init() called twice?") ); + + m_pItem = &item; + } + + // init with conversion + void Init(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); + + memcpy(&m_item, &item, sizeof(LV_ITEM_NATIVE)); + + // convert text from ANSI to Unicod if necessary + if ( (item.mask & LVIF_TEXT) && item.pszText ) + { + m_buf = new LV_CONV_BUF(wxConvLocal.LV_CONV_TO_WX(item.pszText)); + m_item.pszText = (wxChar *)m_buf->data(); + } + } + + // ctor without conversion + wxLV_ITEM(LV_ITEM_NATIVE& item) : m_buf(NULL), m_pItem(&item) { } + + // ctor with conversion + wxLV_ITEM(LV_ITEM_OTHER& item) : m_buf(NULL) + { + Init(item); + } + + ~wxLV_ITEM() { delete m_buf; } + + // conversion to the real LV_ITEM + operator LV_ITEM_NATIVE&() const { return *m_pItem; } + +private: + LV_CONV_BUF *m_buf; + + LV_ITEM_NATIVE *m_pItem; + LV_ITEM_NATIVE 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 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). +// +// 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(const wxListCtrl *ctl, long itemId); +static wxListItemAttr *wxGetInternalDataAttr(wxListCtrl *ctl, long itemId); +static void wxDeleteInternalData(wxListCtrl* ctl, long itemId); + + // ---------------------------------------------------------------------------- // events // ---------------------------------------------------------------------------- @@ -110,22 +221,98 @@ 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() @@ -134,41 +321,6 @@ END_EVENT_TABLE() // implementation // ============================================================================ -// ---------------------------------------------------------------------------- -// wxListEvent -// ---------------------------------------------------------------------------- - -void wxListEvent::CopyObject(wxObject& object_dest) const -{ - wxListEvent *obj = (wxListEvent *)&object_dest; - - wxNotifyEvent::CopyObject(object_dest); - - obj->m_code = m_code; - obj->m_itemIndex = m_itemIndex; - obj->m_oldItemIndex = m_oldItemIndex; - obj->m_col = m_col; - obj->m_cancelled = m_cancelled; - obj->m_pointDrag = m_pointDrag; - obj->m_item.m_mask = m_item.m_mask; - obj->m_item.m_itemId = m_item.m_itemId; - obj->m_item.m_col = m_item.m_col; - obj->m_item.m_state = m_item.m_state; - obj->m_item.m_stateMask = m_item.m_stateMask; - obj->m_item.m_text = m_item.m_text; - obj->m_item.m_image = m_item.m_image; - obj->m_item.m_data = m_item.m_data; - obj->m_item.m_format = m_item.m_format; - obj->m_item.m_width = m_item.m_width; - - if ( m_item.HasAttributes() ) - { - obj->m_item.SetTextColour(m_item.GetTextColour()); - obj->m_item.SetBackgroundColour(m_item.GetBackgroundColour()); - obj->m_item.SetFont(m_item.GetFont()); - } -} - // ---------------------------------------------------------------------------- // wxListCtrl construction // ---------------------------------------------------------------------------- @@ -178,11 +330,13 @@ void wxListCtrl::Init() m_imageListNormal = NULL; m_imageListSmall = NULL; m_imageListState = NULL; - m_ownsImageListNormal = m_ownsImageListSmall = m_ownsImageListState = FALSE; - m_baseStyle = 0; + m_ownsImageListNormal = m_ownsImageListSmall = m_ownsImageListState = false; m_colCount = 0; + m_count = 0; + m_ignoreChangeMessages = false; m_textCtrl = NULL; - m_hasAnyAttr = FALSE; + m_AnyInternalData = false; + m_hasAnyAttr = false; } bool wxListCtrl::Create(wxWindow *parent, @@ -193,112 +347,119 @@ bool wxListCtrl::Create(wxWindow *parent, const wxValidator& validator, const wxString& name) { -#if wxUSE_VALIDATORS - SetValidator(validator); -#endif // wxUSE_VALIDATORS + if ( !CreateControl(parent, id, pos, size, style, validator, name) ) + return false; - SetName(name); + if ( !MSWCreateControl(WC_LISTVIEW, wxEmptyString, pos, size) ) + return false; - int x = pos.x; - int y = pos.y; - int width = size.x; - int height = size.y; + // 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()); - m_windowStyle = style; + // 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); + } - SetParent(parent); + return true; +} - if (width <= 0) - width = 100; - if (height <= 0) - height = 30; - if (x < 0) - x = 0; - if (y < 0) - y = 0; +WXDWORD wxListCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const +{ + WXDWORD wstyle = wxControl::MSWGetStyle(style, exstyle); - m_windowId = (id == -1) ? NewControlId() : id; + wstyle |= LVS_SHAREIMAGELISTS | LVS_SHOWSELALWAYS; - DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP | - LVS_SHAREIMAGELISTS | LVS_SHOWSELALWAYS; +#ifdef __WXDEBUG__ + size_t nModes = 0; - if ( m_windowStyle & wxCLIP_SIBLINGS ) - wstyle |= WS_CLIPSIBLINGS; + #define MAP_MODE_STYLE(wx, ms) \ + if ( style & (wx) ) { wstyle |= (ms); nModes++; } +#else // !__WXDEBUG__ + #define MAP_MODE_STYLE(wx, ms) \ + if ( style & (wx) ) wstyle |= (ms); +#endif // __WXDEBUG__ - if ( wxStyleHasBorder(m_windowStyle) ) - wstyle |= WS_BORDER; - m_baseStyle = wstyle; + MAP_MODE_STYLE(wxLC_ICON, LVS_ICON) + MAP_MODE_STYLE(wxLC_SMALL_ICON, LVS_SMALLICON) + MAP_MODE_STYLE(wxLC_LIST, LVS_LIST) + MAP_MODE_STYLE(wxLC_REPORT, LVS_REPORT) - if ( !DoCreateControl(x, y, width, height) ) - return FALSE; + wxASSERT_MSG( nModes == 1, + _T("wxListCtrl style should have exactly one mode bit set") ); - if (parent) - parent->AddChild(this); +#undef MAP_MODE_STYLE - return TRUE; -} + if ( style & wxLC_ALIGN_LEFT ) + wstyle |= LVS_ALIGNLEFT; -bool wxListCtrl::DoCreateControl(int x, int y, int w, int h) -{ - DWORD wstyle = m_baseStyle; + if ( style & wxLC_ALIGN_TOP ) + wstyle |= LVS_ALIGNTOP; + + if ( style & wxLC_AUTOARRANGE ) + wstyle |= LVS_AUTOARRANGE; - bool want3D; - WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D); + if ( style & wxLC_NO_SORT_HEADER ) + wstyle |= LVS_NOSORTHEADER; - // Even with extended styles, need to combine with WS_BORDER - // for them to look right. - if ( want3D ) - wstyle |= WS_BORDER; + if ( style & wxLC_NO_HEADER ) + wstyle |= LVS_NOCOLUMNHEADER; - long oldStyle = 0; // Dummy - wstyle |= ConvertToMSWStyle(oldStyle, m_windowStyle); + if ( style & wxLC_EDIT_LABELS ) + wstyle |= LVS_EDITLABELS; - // Create the ListView control. - m_hWnd = (WXHWND)CreateWindowEx(exStyle, - WC_LISTVIEW, - wxT(""), - wstyle, - x, y, w, h, - GetWinHwnd(GetParent()), - (HMENU)m_windowId, - wxGetInstance(), - NULL); + if ( style & wxLC_SINGLE_SEL ) + wstyle |= LVS_SINGLESEL; - if ( !m_hWnd ) + if ( style & wxLC_SORT_ASCENDING ) { - wxLogError(_("Can't create list control window, check that comctl32.dll is installed.")); + wstyle |= LVS_SORTASCENDING; - return FALSE; + wxASSERT_MSG( !(style & wxLC_SORT_DESCENDING), + _T("can't sort in ascending and descending orders at once") ); } + else if ( style & wxLC_SORT_DESCENDING ) + wstyle |= LVS_SORTDESCENDING; - // 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 ( (wstyle & LVS_REPORT) && wxTheApp->GetComCtl32Version() >= 470 ) +#if !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) ) + if ( style & wxLC_VIRTUAL ) { - ::SendMessage(GetHwnd(), LVM_SETEXTENDEDLISTVIEWSTYLE, - 0, LVS_EX_FULLROWSELECT); - } - - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); - SetForegroundColour(GetParent()->GetForegroundColour()); + 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."), + ver / 100, ver % 100); + } - SubclassWin(m_hWnd); + wstyle |= LVS_OWNERDATA; + } +#endif // ancient cygwin - return TRUE; + return wstyle; } void wxListCtrl::UpdateStyle() { - if ( GetHWND() ) + if ( GetHwnd() ) { // The new window view style - long dummy; - DWORD dwStyleNew = ConvertToMSWStyle(dummy, m_windowStyle); - dwStyleNew |= m_baseStyle; + DWORD dwStyleNew = MSWGetStyle(m_windowStyle, NULL); + + // some styles are not returned by MSWGetStyle() + if ( IsShown() ) + dwStyleNew |= WS_VISIBLE; // Get the current window style. DWORD dwStyleOld = ::GetWindowLong(GetHwnd(), GWL_STYLE); + // we don't have wxVSCROLL style, but the list control may have it, + // don't change it then + dwStyleNew |= dwStyleOld & (WS_HSCROLL | WS_VSCROLL); + // Only set the window style if the view bits have changed. if ( dwStyleOld != dwStyleNew ) { @@ -307,40 +468,39 @@ 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(); - m_attrs.Destroy(); - if ( !dontRecreate ) - { - m_attrs.Create(wxKEY_INTEGER, 1000); // just as def ctor - } + m_ignoreChangeMessages = true; + for (int i = 0; i < n; i++) + wxDeleteInternalData(this, i); + m_ignoreChangeMessages = false; - m_hasAnyAttr = FALSE; + m_AnyInternalData = false; } } wxListCtrl::~wxListCtrl() { - FreeAllAttrs(TRUE /* no need to recreate hash any more */); + FreeAllInternalData(); if ( m_textCtrl ) { - m_textCtrl->SetHWND(0); m_textCtrl->UnsubclassWin(); + m_textCtrl->SetHWND(0); delete m_textCtrl; 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; } // ---------------------------------------------------------------------------- @@ -363,161 +523,58 @@ void wxListCtrl::SetSingleStyle(long style, bool add) flag = flag & ~wxLC_MASK_SORT; } - if ( flag & style ) - { - if ( !add ) - flag -= style; - } + if ( add ) + flag |= style; else - { - if ( add ) - { - flag |= style; - } - } - - m_windowStyle = flag; + flag &= ~style; - UpdateStyle(); + SetWindowStyleFlag(flag); } // Set the whole window style void wxListCtrl::SetWindowStyleFlag(long flag) { - m_windowStyle = flag; - - UpdateStyle(); -} - -// Can be just a single style, or a bitlist -long wxListCtrl::ConvertToMSWStyle(long& oldStyle, long style) const -{ - long wstyle = 0; - if ( style & wxLC_ICON ) - { - if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON ) - oldStyle -= LVS_SMALLICON; - if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT ) - oldStyle -= LVS_REPORT; - if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST ) - oldStyle -= LVS_LIST; - wstyle |= LVS_ICON; - } - - if ( style & wxLC_SMALL_ICON ) - { - if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON ) - oldStyle -= LVS_ICON; - if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT ) - oldStyle -= LVS_REPORT; - if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST ) - oldStyle -= LVS_LIST; - wstyle |= LVS_SMALLICON; - } - - if ( style & wxLC_LIST ) - { - if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON ) - oldStyle -= LVS_ICON; - if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT ) - oldStyle -= LVS_REPORT; - if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON ) - oldStyle -= LVS_SMALLICON; - wstyle |= LVS_LIST; - } - - if ( style & wxLC_REPORT ) + if ( flag != m_windowStyle ) { - if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON ) - oldStyle -= LVS_ICON; - if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST ) - oldStyle -= LVS_LIST; - if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON ) - oldStyle -= LVS_SMALLICON; + m_windowStyle = flag; - wstyle |= LVS_REPORT; - } - - if ( style & wxLC_ALIGN_LEFT ) - { - if ( oldStyle & LVS_ALIGNTOP ) - oldStyle -= LVS_ALIGNTOP; - wstyle |= LVS_ALIGNLEFT; - } - - if ( style & wxLC_ALIGN_TOP ) - { - if ( oldStyle & LVS_ALIGNLEFT ) - oldStyle -= LVS_ALIGNLEFT; - wstyle |= LVS_ALIGNTOP; - } - - if ( style & wxLC_AUTOARRANGE ) - wstyle |= LVS_AUTOARRANGE; - - if ( style & wxLC_NO_SORT_HEADER ) - wstyle |= LVS_NOSORTHEADER; - - if ( style & wxLC_NO_HEADER ) - wstyle |= LVS_NOCOLUMNHEADER; + UpdateStyle(); - if ( style & wxLC_EDIT_LABELS ) - wstyle |= LVS_EDITLABELS; - - if ( style & wxLC_SINGLE_SEL ) - wstyle |= LVS_SINGLESEL; - - if ( style & wxLC_SORT_ASCENDING ) - { - if ( oldStyle & LVS_SORTDESCENDING ) - oldStyle -= LVS_SORTDESCENDING; - wstyle |= LVS_SORTASCENDING; - } - - if ( style & wxLC_SORT_DESCENDING ) - { - if ( oldStyle & LVS_SORTASCENDING ) - oldStyle -= LVS_SORTASCENDING; - wstyle |= LVS_SORTDESCENDING; + Refresh(); } - -#if !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) ) - if ( style & wxLC_VIRTUAL ) - { - int ver = wxTheApp->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."), - ver / 100, ver % 100); - } - - wstyle |= LVS_OWNERDATA; - } -#endif - - return wstyle; } // ---------------------------------------------------------------------------- // accessors // ---------------------------------------------------------------------------- +/* static */ wxVisualAttributes +wxListCtrl::GetClassDefaultAttributes(wxWindowVariant variant) +{ + wxVisualAttributes attrs = GetCompositeControlsDefaultAttributes(variant); + + // common controls have their own default font + attrs.font = wxGetCCDefaultFont(); + + return attrs; +} + // Sets the foreground, i.e. text, colour bool wxListCtrl::SetForegroundColour(const wxColour& col) { if ( !wxWindow::SetForegroundColour(col) ) - return FALSE; + return false; ListView_SetTextColor(GetHwnd(), wxColourToRGB(col)); - return TRUE; + return true; } // Sets the background colour bool wxListCtrl::SetBackgroundColour(const wxColour& col) { if ( !wxWindow::SetBackgroundColour(col) ) - return FALSE; + return false; // we set the same colour for both the "empty" background and the items // background @@ -525,16 +582,16 @@ bool wxListCtrl::SetBackgroundColour(const wxColour& col) ListView_SetBkColor(GetHwnd(), color); ListView_SetTextBkColor(GetHwnd(), color); - return TRUE; + return true; } // Gets information about this column bool wxListCtrl::GetColumn(int col, wxListItem& item) const { LV_COLUMN lvCol; - lvCol.mask = 0; - lvCol.fmt = 0; - lvCol.pszText = NULL; + wxZeroMemory(lvCol); + + lvCol.mask = LVCF_WIDTH; if ( item.m_mask & wxLIST_MASK_TEXT ) { @@ -543,7 +600,17 @@ 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; @@ -556,13 +623,32 @@ 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; + } + } + + // the column images were not supported in older versions but how to check + // for this? we can't use _WIN32_IE because we always define it to a very + // high value, so see if another symbol which is only defined starting from + // comctl32.dll 4.70 is available +#ifdef NM_CUSTOMDRAW // _WIN32_IE >= 0x0300 + if ( item.m_mask & wxLIST_MASK_IMAGE ) + { + item.m_image = lvCol.iImage; } +#endif // LVCOLUMN::iImage exists return success; } @@ -571,41 +657,9 @@ bool wxListCtrl::GetColumn(int col, wxListItem& item) const bool wxListCtrl::SetColumn(int col, wxListItem& item) { LV_COLUMN lvCol; - lvCol.mask = 0; - lvCol.fmt = 0; - lvCol.pszText = NULL; - - if ( item.m_mask & wxLIST_MASK_TEXT ) - { - lvCol.mask |= LVCF_TEXT; - lvCol.pszText = WXSTRINGCAST item.m_text; - lvCol.cchTextMax = 0; // Ignored - } - if ( item.m_mask & wxLIST_MASK_FORMAT ) - { - lvCol.mask |= LVCF_FMT; - - if ( item.m_format == wxLIST_FORMAT_LEFT ) - lvCol.fmt = LVCFMT_LEFT; - if ( item.m_format == wxLIST_FORMAT_RIGHT ) - lvCol.fmt = LVCFMT_RIGHT; - if ( item.m_format == wxLIST_FORMAT_CENTRE ) - lvCol.fmt = LVCFMT_CENTER; - } + wxConvertToMSWListCol(col, item, lvCol); - if ( item.m_mask & wxLIST_MASK_WIDTH ) - { - lvCol.mask |= LVCF_WIDTH; - lvCol.cx = item.m_width; - - if ( lvCol.cx == wxLIST_AUTOSIZE) - lvCol.cx = LVSCW_AUTOSIZE; - else if ( lvCol.cx == wxLIST_AUTOSIZE_USEHEADER) - lvCol.cx = LVSCW_AUTOSIZE_USEHEADER; - } - lvCol.mask |= LVCF_SUBITEM; - lvCol.iSubItem = col; - return (ListView_SetColumn(GetHwnd(), col, & lvCol) != 0); + return ListView_SetColumn(GetHwnd(), col, &lvCol) != 0; } // Gets the column width @@ -617,17 +671,15 @@ 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 @@ -674,8 +726,7 @@ 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; @@ -702,12 +753,53 @@ bool wxListCtrl::SetItem(wxListItem& info) LV_ITEM item; wxConvertToMSWListItem(this, info, item); - item.cchTextMax = 0; - if ( !ListView_SetItem(GetHwnd(), &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 ) { - wxLogDebug(_T("ListView_SetItem() failed")); + item.cchTextMax = 0; + if ( !ListView_SetItem(GetHwnd(), &item) ) + { + wxLogDebug(_T("ListView_SetItem() failed")); - return FALSE; + return false; + } } // we need to update the item immediately to show the new image @@ -716,26 +808,19 @@ 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; + m_hasAnyAttr = true; // if the colour has changed, we must redraw the item - updateNow = TRUE; + updateNow = true; } if ( updateNow ) { // we need this to make the change visible right now - ListView_Update(GetHwnd(), item.iItem); + RefreshItem(item.iItem); } - return TRUE; + return true; } long wxListCtrl::SetItem(long index, int col, const wxString& label, int imageId) @@ -779,15 +864,42 @@ 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 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) ) + { + focusOld = GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_FOCUSED); + } + else + { + focusOld = -1; + } + if ( !::SendMessage(GetHwnd(), LVM_SETITEMSTATE, (WPARAM)item, (LPARAM)&lvItem) ) { wxLogLastError(_T("ListView_SetItemState")); - return FALSE; + return false; + } + + if ( focusOld != -1 ) + { + // 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; + return true; } // Sets the item image @@ -811,7 +923,7 @@ wxString wxListCtrl::GetItemText(long item) const info.m_itemId = item; if (!GetItem(info)) - return wxString(""); + return wxEmptyString; return info.m_text; } @@ -828,7 +940,7 @@ 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; @@ -852,29 +964,51 @@ bool wxListCtrl::SetItemData(long item, long data) return SetItem(info); } +wxRect wxListCtrl::GetViewRect() const +{ + wxASSERT_MSG( !HasFlag(wxLC_REPORT | wxLC_LIST), + _T("wxListCtrl::GetViewRect() only works in icon mode") ); + + RECT rc; + if ( !ListView_GetViewRect(GetHwnd(), &rc) ) + { + wxLogDebug(_T("ListView_GetViewRect() failed.")); + + wxZeroMemory(rc); + } + + wxRect rect; + wxCopyRECTToRect(rc, rect); + + return rect; +} + // Gets the item rectangle bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const { - RECT rect2; + RECT rectWin; - int code2 = LVIR_BOUNDS; + int codeWin; if ( code == wxLIST_RECT_BOUNDS ) - code2 = LVIR_BOUNDS; + codeWin = LVIR_BOUNDS; else if ( code == wxLIST_RECT_ICON ) - code2 = LVIR_ICON; + codeWin = LVIR_ICON; else if ( code == wxLIST_RECT_LABEL ) - code2 = LVIR_LABEL; + codeWin = LVIR_LABEL; + else + { + wxFAIL_MSG( _T("incorrect code in GetItemRect()") ); -#ifdef __WXWINE__ - bool success = (ListView_GetItemRect(GetHwnd(), (int) item, &rect2 ) != 0); -#else - bool success = (ListView_GetItemRect(GetHwnd(), (int) item, &rect2, code2) != 0); -#endif + codeWin = LVIR_BOUNDS; + } + + bool success = ListView_GetItemRect(GetHwnd(), (int) item, &rectWin, codeWin) != 0; + + rect.x = rectWin.left; + rect.y = rectWin.top; + rect.width = rectWin.right - rectWin.left; + rect.height = rectWin.bottom - rectWin.top; - rect.x = rect2.left; - rect.y = rect2.top; - rect.width = rect2.right - rect2.left; - rect.height = rect2.bottom - rect2.top; return success; } @@ -898,17 +1032,57 @@ bool wxListCtrl::SetItemPosition(long item, const wxPoint& pos) // Gets the number of items in the list control int wxListCtrl::GetItemCount() const { - return ListView_GetItemCount(GetHwnd()); + return m_count; +} + +wxSize wxListCtrl::GetItemSpacing() const +{ + const int spacing = ListView_GetItemSpacing(GetHwnd(), (BOOL)HasFlag(wxLC_SMALL_ICON)); + + return wxSize(LOWORD(spacing), HIWORD(spacing)); } -// Retrieves the spacing between icons in pixels. -// If small is TRUE, gets the spacing for the small icon -// view, otherwise the large icon view. 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 +{ + wxColour col; + wxListItemInternalData *data = wxGetInternalData(this, item); + if ( data && data->attr ) + col = data->attr->GetTextColour(); + + return col; +} + +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 +{ + wxColour col; + wxListItemInternalData *data = wxGetInternalData(this, item); + if ( data && data->attr ) + col = data->attr->GetBackgroundColour(); + + return col; +} + // Gets the number of selected items in the list control int wxListCtrl::GetSelectedItemCount() const { @@ -997,21 +1171,21 @@ void wxListCtrl::SetImageList(wxImageList *imageList, int which) flags = LVSIL_NORMAL; if (m_ownsImageListNormal) delete m_imageListNormal; m_imageListNormal = imageList; - m_ownsImageListNormal = FALSE; + m_ownsImageListNormal = false; } else if ( which == wxIMAGE_LIST_SMALL ) { flags = LVSIL_SMALL; if (m_ownsImageListSmall) delete m_imageListSmall; m_imageListSmall = imageList; - m_ownsImageListSmall = FALSE; + m_ownsImageListSmall = false; } else if ( which == wxIMAGE_LIST_STATE ) { flags = LVSIL_STATE; if (m_ownsImageListState) delete m_imageListState; m_imageListState = imageList; - m_ownsImageListState = FALSE; + m_ownsImageListState = false; } ListView_SetImageList(GetHwnd(), (HIMAGELIST) imageList ? imageList->GetHIMAGELIST() : 0, flags); } @@ -1020,11 +1194,11 @@ void wxListCtrl::AssignImageList(wxImageList *imageList, int which) { SetImageList(imageList, which); if ( which == wxIMAGE_LIST_NORMAL ) - m_ownsImageListNormal = TRUE; + m_ownsImageListNormal = true; else if ( which == wxIMAGE_LIST_SMALL ) - m_ownsImageListSmall = TRUE; + m_ownsImageListSmall = true; else if ( which == wxIMAGE_LIST_STATE ) - m_ownsImageListState = TRUE; + m_ownsImageListState = true; } // ---------------------------------------------------------------------------- @@ -1050,13 +1224,45 @@ bool wxListCtrl::Arrange(int flag) // Deletes an item bool wxListCtrl::DeleteItem(long item) { - return (ListView_DeleteItem(GetHwnd(), (int) item) != 0); + if ( !ListView_DeleteItem(GetHwnd(), (int) item) ) + { + wxLogLastError(_T("ListView_DeleteItem")); + return false; + } + + m_count--; + wxASSERT_MSG( m_count == ListView_GetItemCount(GetHwnd()), + wxT("m_count should match ListView_GetItemCount")); + + // the virtual list control doesn't refresh itself correctly, help it + if ( IsVirtual() ) + { + // we need to refresh all the lines below the one which was deleted + wxRect rectItem; + if ( item > 0 && GetItemCount() ) + { + GetItemRect(item - 1, rectItem); + } + else + { + rectItem.y = + rectItem.height = 0; + } + + wxRect rectWin = GetRect(); + rectWin.height = rectWin.GetBottom() - rectItem.GetBottom(); + rectWin.y = rectItem.GetBottom(); + + RefreshRect(rectWin); + } + + return true; } // Deletes all items bool wxListCtrl::DeleteAllItems() { - return (ListView_DeleteAllItems(GetHwnd()) != 0); + return ListView_DeleteAllItems(GetHwnd()) != 0; } // Deletes all items @@ -1068,7 +1274,7 @@ bool wxListCtrl::DeleteAllColumns() { wxLogLastError(wxT("ListView_DeleteColumn")); - return FALSE; + return false; } m_colCount--; @@ -1076,7 +1282,7 @@ bool wxListCtrl::DeleteAllColumns() wxASSERT_MSG( m_colCount == 0, wxT("no columns should be left") ); - return TRUE; + return true; } // Deletes a column @@ -1101,21 +1307,34 @@ 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(); + m_textCtrl->SetHWND(0); 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; } @@ -1125,13 +1344,13 @@ bool wxListCtrl::EndEditLabel(bool WXUNUSED(cancel)) { wxFAIL_MSG( _T("not implemented") ); - return FALSE; + return false; } // Ensures this item is visible bool wxListCtrl::EnsureVisible(long item) { - return ListView_EnsureVisible(GetHwnd(), (int) item, FALSE) != 0; + return ListView_EnsureVisible(GetHwnd(), (int) item, FALSE) != FALSE; } // Find an item whose label matches this string, starting from the item after 'start' @@ -1155,14 +1374,22 @@ 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. -long wxListCtrl::FindItem(long start, long data) +// 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, wxUIntPtr 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 @@ -1199,23 +1426,38 @@ long wxListCtrl::HitTest(const wxPoint& point, int& flags) 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; + 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 (long) hitTestInfo.iItem; } @@ -1227,24 +1469,40 @@ 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; + + // internal stucture that manages data + wxListItemInternalData *data = new wxListItemInternalData(); + item.lParam = (LPARAM) data; - wxListItemAttr *attr; - attr = (wxListItemAttr*) m_attrs.Get(item.iItem); + if (info.m_mask & wxLIST_MASK_DATA) + data->lParam = info.m_data; - if (attr == NULL) + // check whether it has any custom attributes + if ( info.HasAttributes() ) + { + // take copy of attributes + data->attr = new wxListItemAttr(*info.GetAttributes()); - m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes())); + // and remember that we have some now... + m_hasAnyAttr = true; + } + }; - else *attr = *info.GetAttributes(); + long rv = ListView_InsertItem(GetHwnd(), & item); - m_hasAnyAttr = TRUE; - } + m_count++; + wxASSERT_MSG( m_count == ListView_GetItemCount(GetHwnd()), + wxT("m_count should match ListView_GetItemCount")); - return (long) ListView_InsertItem(GetHwnd(), & item); + return rv; } long wxListCtrl::InsertItem(long index, const wxString& label) @@ -1281,60 +1539,28 @@ long wxListCtrl::InsertItem(long index, const wxString& label, int imageIndex) long wxListCtrl::InsertColumn(long col, wxListItem& item) { LV_COLUMN lvCol; - lvCol.mask = 0; - lvCol.fmt = 0; - lvCol.pszText = NULL; - - if ( item.m_mask & wxLIST_MASK_TEXT ) - { - lvCol.mask |= LVCF_TEXT; - lvCol.pszText = WXSTRINGCAST item.m_text; - lvCol.cchTextMax = 0; // Ignored - } - if ( item.m_mask & wxLIST_MASK_FORMAT ) - { - lvCol.mask |= LVCF_FMT; - - if ( item.m_format == wxLIST_FORMAT_LEFT ) - lvCol.fmt = LVCFMT_LEFT; - if ( item.m_format == wxLIST_FORMAT_RIGHT ) - lvCol.fmt = LVCFMT_RIGHT; - if ( item.m_format == wxLIST_FORMAT_CENTRE ) - lvCol.fmt = LVCFMT_CENTER; - } + wxConvertToMSWListCol(col, item, lvCol); - lvCol.mask |= LVCF_WIDTH; - if ( item.m_mask & wxLIST_MASK_WIDTH ) - { - if ( item.m_width == wxLIST_AUTOSIZE) - lvCol.cx = LVSCW_AUTOSIZE; - else if ( item.m_width == wxLIST_AUTOSIZE_USEHEADER) - lvCol.cx = LVSCW_AUTOSIZE_USEHEADER; - else - lvCol.cx = item.m_width; - } - else + if ( !(lvCol.mask & LVCF_WIDTH) ) { // always give some width to the new column: this one is compatible - // with wxGTK + // with the generic version + lvCol.mask |= LVCF_WIDTH; lvCol.cx = 80; } - lvCol.mask |= LVCF_SUBITEM; - lvCol.iSubItem = col; - - bool success = ListView_InsertColumn(GetHwnd(), col, & lvCol) != -1; - if ( success ) + long n = ListView_InsertColumn(GetHwnd(), col, &lvCol); + if ( n != -1 ) { m_colCount++; } - else + else // failed to insert? { wxLogDebug(wxT("Failed to insert the column '%s' into listview!"), lvCol.pszText); } - return success; + return n; } long wxListCtrl::InsertColumn(long col, @@ -1355,14 +1581,18 @@ 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. @@ -1377,69 +1607,47 @@ 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; - } - - gs_sortData = data; - gs_sortCtrl = this; - gs_sortFunction = fn; + struct wxInternalDataSort *internalData = (struct wxInternalDataSort *) lParamSort; - qsort(aItems, count, sizeof(int), wxListCtrlCompareFn); + wxListItemInternalData *data1 = (wxListItemInternalData *) lParam1; + wxListItemInternalData *data2 = (wxListItemInternalData *) lParam2; - gs_sortData = 0; - gs_sortCtrl = NULL; - gs_sortFunction = NULL; + long d1 = (data1 == NULL ? 0 : data1->lParam); + long d2 = (data2 == NULL ? 0 : data2->lParam); - 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")); - return FALSE; + return false; } - return TRUE; + return true; } @@ -1455,206 +1663,434 @@ bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id) wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id); event.SetEventObject( this ); ProcessCommand(event); - return TRUE; + return true; } else if (cmd == EN_KILLFOCUS) { wxCommandEvent event(wxEVT_KILL_FOCUS, id); event.SetEventObject( this ); ProcessCommand(event); - return TRUE; + return true; } else - return FALSE; + return false; } bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) { + // prepare the event // ----------------- wxListEvent event(wxEVT_NULL, m_windowId); + event.SetEventObject(this); + wxEventType eventType = wxEVT_NULL; NMHDR *nmhdr = (NMHDR *)lParam; - // almost all messages use NM_LISTVIEW - NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr; + // 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 HDN_BEGINTRACKA - // this is true for almost all events - event.m_item.m_data = nmLV->lParam; + // check for messages from the header (in report view) + HWND hwndHdr = ListView_GetHeader(GetHwnd()); - switch ( nmhdr->code ) + // is it a message from the header? + if ( nmhdr->hwndFrom == hwndHdr ) { - case LVN_BEGINRDRAG: - eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG; - // fall through + HD_NOTIFY *nmHDR = (HD_NOTIFY *)nmhdr; - case LVN_BEGINDRAG: - if ( eventType == wxEVT_NULL ) - { - eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG; - } + event.m_itemIndex = -1; - event.m_itemIndex = nmLV->iItem; - event.m_pointDrag.x = nmLV->ptAction.x; - event.m_pointDrag.y = nmLV->ptAction.y; - break; + 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! + // + // 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; + // fall through + + case HDN_TRACKA: + case HDN_TRACKW: + if ( eventType == wxEVT_NULL ) + eventType = wxEVT_COMMAND_LIST_COL_DRAGGING; + // fall through + + case HDN_ENDTRACKA: + 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; + +#if defined(__WXWINCE__) && !defined(__HANDHELDPC__) && _WIN32_WCE < 400 + case GN_CONTEXTMENU: +#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")); + } - case LVN_BEGINLABELEDIT: - { - eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT; - LV_DISPINFO *info = (LV_DISPINFO *)lParam; - wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item); - event.m_itemIndex = event.m_item.m_itemId; - } - break; + if ( !::ScreenToClient(GetHwnd(), &ptClick) ) + { + wxLogLastError(_T("ScreenToClient(listctrl header)")); + } - case LVN_COLUMNCLICK: - eventType = wxEVT_COMMAND_LIST_COL_CLICK; - event.m_itemIndex = -1; - event.m_col = nmLV->iSubItem; - break; + event.m_pointDrag.x = ptClick.x; + event.m_pointDrag.y = ptClick.y; - case LVN_DELETEALLITEMS: - eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS; - event.m_itemIndex = -1; + int colCount = Header_GetItemCount(hwndHdr); - FreeAllAttrs(); + 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; + + case HDN_GETDISPINFOW: + // 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); + } + } + else +#endif // defined(HDN_BEGINTRACKA) + if ( nmhdr->hwndFrom == GetHwnd() ) + { + // almost all messages use NM_LISTVIEW + NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr; - break; + const int iItem = nmLV->iItem; - 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; + // 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; + } - case LVN_ENDLABELEDIT: - { - eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT; - LV_DISPINFO *info = (LV_DISPINFO *)lParam; - wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item); - if ( info->item.pszText == NULL || info->item.iItem == -1 ) - return FALSE; - event.m_itemIndex = event.m_item.m_itemId; - } - break; + // 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); - case LVN_SETDISPINFO: - { - eventType = wxEVT_COMMAND_LIST_SET_INFO; - LV_DISPINFO *info = (LV_DISPINFO *)lParam; - wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item); - } - break; + if ( internaldata ) + event.m_item.m_data = internaldata->lParam; + } - case LVN_INSERTITEM: - eventType = wxEVT_COMMAND_LIST_INSERT_ITEM; - event.m_itemIndex = nmLV->iItem; - break; - case LVN_ITEMCHANGED: - // This needs to be sent to wxListCtrl as a rather more concrete - // event. For now, just detect a selection or deselection. - if ( (nmLV->uNewState & LVIS_SELECTED) && !(nmLV->uOldState & LVIS_SELECTED) ) - { - eventType = wxEVT_COMMAND_LIST_ITEM_SELECTED; - event.m_itemIndex = nmLV->iItem; - } - else if ( !(nmLV->uNewState & LVIS_SELECTED) && (nmLV->uOldState & LVIS_SELECTED) ) - { - eventType = wxEVT_COMMAND_LIST_ITEM_DESELECTED; - event.m_itemIndex = nmLV->iItem; - } - else - { - return FALSE; - } - break; + switch ( nmhdr->code ) + { + case LVN_BEGINRDRAG: + eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG; + // fall through - 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); - - // or 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()) ) + case LVN_BEGINDRAG: + if ( eventType == wxEVT_NULL ) { - eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED; + eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG; } - else + + 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: { - eventType = wxEVT_COMMAND_LIST_KEY_DOWN; - event.m_code = wxCharCodeMSWToWX(wVKey); + 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; - event.m_itemIndex = - event.m_item.m_itemId = lItem; + case LVN_COLUMNCLICK: + eventType = wxEVT_COMMAND_LIST_COL_CLICK; + event.m_itemIndex = -1; + event.m_col = nmLV->iSubItem; + break; - if ( lItem != -1 ) + case LVN_DELETEALLITEMS: + eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS; + event.m_itemIndex = -1; + break; + + case LVN_DELETEITEM: + if ( m_count == 0 ) { - // fill the other fields too - event.m_item.m_text = GetItemText(lItem); - event.m_item.m_data = GetItemData(lItem); + // this should be prevented by the post-processing code + // below, but "just in case" + return false; } - } - 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; - } + eventType = wxEVT_COMMAND_LIST_DELETE_ITEM; + event.m_itemIndex = iItem; + // delete the assoicated internal data + wxDeleteInternalData(this, iItem); + break; - // 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 ) - { - // not on item - return FALSE; - } +#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 - 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); - break; - - case NM_RCLICK: - /* TECH NOTE: NM_RCLICK isn't really good enough here. We want to - subclass and check for the actual WM_RBUTTONDOWN message, - because NM_RCLICK waits for the WM_RBUTTONUP message as well - before firing off. We want to have notify events for both down - -and- up. */ - { + 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); + + // or 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: // if the user processes it in wxEVT_COMMAND_RIGHT_CLICK(), // don't do anything else if ( wxControl::MSWOnNotify(idCtrl, lParam, result) ) { - return TRUE; + return true; } // else translate it into wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK event LV_HITTESTINFO lvhti; wxZeroMemory(lvhti); +#if defined(__WXWINCE__) && !defined(__HANDHELDPC__) && _WIN32_WCE < 400 + 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 ) @@ -1667,126 +2103,130 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) event.m_pointDrag.y = lvhti.pt.y; } } - } - break; - -#if 0 - case NM_MCLICK: // ***** THERE IS NO NM_MCLICK. Subclass anyone? ****** - { - // if the user processes it in wxEVT_COMMAND_MIDDLE_CLICK(), don't do - // anything else - if ( wxControl::MSWOnNotify(idCtrl, lParam, result) ) - { - return TRUE; - } - - // else translate it into wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK event - eventType = wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK; - NMITEMACTIVATE* hdr = (NMITEMACTIVATE*)lParam; - event.m_itemIndex = hdr->iItem; - } - break; -#endif // 0 + break; -#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \ - && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) ) - case NM_CUSTOMDRAW: - *result = OnCustomDraw(lParam); +#ifdef NM_CUSTOMDRAW + case NM_CUSTOMDRAW: + *result = OnCustomDraw(lParam); - return TRUE; + return true; #endif // _WIN32_IE >= 0x300 - case LVN_ODCACHEHINT: - { - const NM_CACHEHINT *cacheHint = (NM_CACHEHINT *)lParam; + case LVN_ODCACHEHINT: + { + const NM_CACHEHINT *cacheHint = (NM_CACHEHINT *)lParam; - eventType = wxEVT_COMMAND_LIST_CACHE_HINT; + eventType = wxEVT_COMMAND_LIST_CACHE_HINT; + + // we get some really stupid cache hints like ones for + // items in range 0..0 for an empty control or, after + // deleting an item, for items in invalid range -- filter + // this garbage out + if ( cacheHint->iFrom > cacheHint->iTo ) + return false; - // we get some really stupid cache hints like ones for items in - // range 0..0 for an empty control or, after deleting an item, - // for items in invalid range - filter this garbage out - if ( cacheHint->iFrom < cacheHint->iTo ) - { event.m_oldItemIndex = cacheHint->iFrom; - long iMax = GetItemCount(); + const long iMax = GetItemCount(); event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo : iMax - 1; } - else - { - return FALSE; - } - } - break; + break; - case LVN_GETDISPINFO: - if ( IsVirtual() ) - { - LV_DISPINFO *info = (LV_DISPINFO *)lParam; + case LVN_GETDISPINFO: + if ( IsVirtual() ) + { + LV_DISPINFO *info = (LV_DISPINFO *)lParam; - LV_ITEM& lvi = info->item; - long item = lvi.iItem; + LV_ITEM& lvi = info->item; + long item = lvi.iItem; - if ( lvi.mask & LVIF_TEXT ) - { - wxString text = OnGetItemText(item, lvi.iSubItem); - wxStrncpy(lvi.pszText, text, lvi.cchTextMax); - } + if ( lvi.mask & LVIF_TEXT ) + { + wxString text = OnGetItemText(item, lvi.iSubItem); + wxStrncpy(lvi.pszText, text, lvi.cchTextMax); + } - if ( lvi.mask & LVIF_IMAGE ) - { - lvi.iImage = OnGetItemImage(item); - } + // see comment at the end of wxListCtrl::GetColumn() +#ifdef NM_CUSTOMDRAW + if ( lvi.mask & LVIF_IMAGE ) + { + lvi.iImage = OnGetItemImage(item); + } +#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!") ); + // 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!") ); - return TRUE; - } - // fall through + return true; + } + // fall through - default: - return wxControl::MSWOnNotify(idCtrl, lParam, result); + default: + return wxControl::MSWOnNotify(idCtrl, lParam, result); + } + } + else + { + // where did this one come from? + return false; } // process the event // ----------------- - event.SetEventObject( this ); event.SetEventType(eventType); - if ( !GetEventHandler()->ProcessEvent(event) ) - return FALSE; + bool processed = GetEventHandler()->ProcessEvent(event); // post processing // --------------- - switch ( nmhdr->code ) { case LVN_DELETEALLITEMS: - // always return TRUE to suppress all additional LVN_DELETEITEM + // always return true to suppress all additional LVN_DELETEITEM // notifications - this makes deleting all items from a list ctrl // much faster *result = TRUE; - return 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_ENDLABELEDIT: + case LVN_ENDLABELEDITA: + case LVN_ENDLABELEDITW: // logic here is inversed compared to all the other messages *result = event.IsAllowed(); - return TRUE; + // 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; + } + + return true; } - *result = !event.IsAllowed(); + if ( processed ) + *result = !event.IsAllowed(); - return TRUE; + return processed; } -#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 +// see comment at the end of wxListCtrl::GetColumn() +#ifdef NM_CUSTOMDRAW // _WIN32_IE >= 0x0300 WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam) { @@ -1816,7 +2256,7 @@ WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam) wxListItemAttr *attr = IsVirtual() ? OnGetItemAttr(item) - : (wxListItemAttr *)m_attrs.Get(item); + : wxGetInternalDataAttr(this, item); if ( !attr ) { @@ -1886,37 +2326,35 @@ void wxListCtrl::OnPaint(wxPaintEvent& event) // Reset the device origin since it may have been set dc.SetDeviceOrigin(0, 0); - bool drawHRules = ((GetWindowStyle() & wxLC_HRULES) != 0); - bool drawVRules = ((GetWindowStyle() & wxLC_VRULES) != 0); + bool drawHRules = HasFlag(wxLC_HRULES); + bool drawVRules = HasFlag(wxLC_VRULES); - if (!drawHRules && !drawVRules) - return; - if ((GetWindowStyle() & wxLC_REPORT) == 0) + if (!InReportView() || !drawHRules && !drawVRules) 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); wxSize clientSize = GetClientSize(); wxRect itemRect; - int cy=0; int itemCount = GetItemCount(); int i; if (drawHRules) { - for (i = 0; i < itemCount; i++) + long top = GetTopItem(); + for (i = top; i < top + GetCountPerPage() + 1; i++) { if (GetItemRect(i, itemRect)) { - cy = itemRect.GetTop(); + int cy = itemRect.GetTop(); if (i != 0) // Don't draw the first one { dc.DrawLine(0, cy, clientSize.x, cy); } // Draw last line - if (i == (GetItemCount() - 1)) + if (i == itemCount - 1) { cy = itemRect.GetBottom(); dc.DrawLine(0, cy, clientSize.x, cy); @@ -1924,7 +2362,7 @@ void wxListCtrl::OnPaint(wxPaintEvent& event) } } } - i = (GetItemCount() - 1); + i = itemCount - 1; if (drawVRules && (i > -1)) { wxRect firstItemRect; @@ -1938,12 +2376,27 @@ 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()); } } } } +WXLRESULT +wxListCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) +{ +#ifdef WM_PRINT + if ( nMsg == 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 + + return wxControl::MSWWindowProc(nMsg, wParam, lParam); +} + // ---------------------------------------------------------------------------- // virtual list controls // ---------------------------------------------------------------------------- @@ -1952,16 +2405,16 @@ wxString wxListCtrl::OnGetItemText(long WXUNUSED(item), long WXUNUSED(col)) cons { // 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("not supposed to be called") ); + wxFAIL_MSG( _T("wxListCtrl::OnGetItemText not supposed to be called") ); return wxEmptyString; } int wxListCtrl::OnGetItemImage(long WXUNUSED(item)) const { - // same as above - wxFAIL_MSG( _T("not supposed to be called") ); - + wxCHECK_MSG(!GetImageList(wxIMAGE_LIST_SMALL), + -1, + wxT("List control has an image list, OnGetItemImage should be overridden.")); return -1; } @@ -1978,18 +2431,30 @@ void wxListCtrl::SetItemCount(long count) { wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") ); - if ( !::SendMessage(GetHwnd(), LVM_SETITEMCOUNT, (WPARAM)count, 0) ) + if ( !::SendMessage(GetHwnd(), LVM_SETITEMCOUNT, (WPARAM)count, + LVSICF_NOSCROLL | LVSICF_NOINVALIDATEALL) ) { wxLogLastError(_T("ListView_SetItemCount")); } + m_count = count; + wxASSERT_MSG( m_count == ListView_GetItemCount(GetHwnd()), + wxT("m_count should match ListView_GetItemCount")); } 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 } void wxListCtrl::RefreshItems(long itemFrom, long itemTo) @@ -2005,54 +2470,63 @@ void wxListCtrl::RefreshItems(long itemFrom, long itemTo) } // ---------------------------------------------------------------------------- -// wxListItem +// internal data stuff // ---------------------------------------------------------------------------- -// 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; + LV_ITEM it; + it.mask = LVIF_PARAM; + it.iItem = itemId; - m_format = wxLIST_FORMAT_CENTRE; - m_width = 0; + if ( !ListView_GetItem(hwnd, &it) ) + return NULL; - m_attr = NULL; -} + return (wxListItemInternalData *) it.lParam; +}; -void wxListItem::Clear() +static +wxListItemInternalData *wxGetInternalData(const 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(GetHwndOf(ctl), itemId); +}; - if (m_attr) delete m_attr; - m_attr = NULL; -} +static wxListItemAttr *wxGetInternalDataAttr(wxListCtrl *ctl, long itemId) +{ + wxListItemInternalData *data = wxGetInternalData(ctl, itemId); -void wxListItem::ClearAttributes() + return data ? data->attr : NULL; +}; + +static void wxDeleteInternalData(wxListCtrl* ctl, long itemId) { - if (m_attr) delete m_attr; - m_attr = NULL; + 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; + } } +// ---------------------------------------------------------------------------- +// wxWin <-> MSW items conversions +// ---------------------------------------------------------------------------- + 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; @@ -2060,13 +2534,13 @@ static void wxConvertFromMSWListItem(HWND hwndListCtrl, long oldMask = lvItem.mask; - bool needText = FALSE; + bool needText = false; if (hwndListCtrl != 0) { if ( lvItem.mask & LVIF_TEXT ) - needText = FALSE; + needText = false; else - needText = TRUE; + needText = true; if ( needText ) { @@ -2166,7 +2640,6 @@ 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; @@ -2182,7 +2655,7 @@ static void wxConvertToMSWListItem(const wxListCtrl *ctrl, if (info.m_mask & wxLIST_MASK_TEXT) { lvItem.mask |= LVIF_TEXT; - if ( ctrl->GetWindowStyleFlag() & wxLC_USER_TEXT ) + if ( ctrl->HasFlag(wxLC_USER_TEXT) ) { lvItem.pszText = LPSTR_TEXTCALLBACK; } @@ -2198,24 +2671,65 @@ 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; } -// ---------------------------------------------------------------------------- -// List event -// ---------------------------------------------------------------------------- +static void wxConvertToMSWListCol(int WXUNUSED(col), const wxListItem& item, + LV_COLUMN& lvCol) +{ + wxZeroMemory(lvCol); -IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent) + if ( item.m_mask & wxLIST_MASK_TEXT ) + { + lvCol.mask |= LVCF_TEXT; + lvCol.pszText = (wxChar *)item.m_text.c_str(); // cast is safe + } -wxListEvent::wxListEvent(wxEventType commandType, int id) - : wxNotifyEvent(commandType, id) -{ - m_code = 0; - m_itemIndex = 0; - m_oldItemIndex = 0; - m_col = 0; - m_cancelled = FALSE; + if ( item.m_mask & wxLIST_MASK_FORMAT ) + { + lvCol.mask |= LVCF_FMT; + + if ( item.m_format == wxLIST_FORMAT_LEFT ) + lvCol.fmt = LVCFMT_LEFT; + else if ( item.m_format == wxLIST_FORMAT_RIGHT ) + lvCol.fmt = LVCFMT_RIGHT; + else if ( item.m_format == wxLIST_FORMAT_CENTRE ) + lvCol.fmt = LVCFMT_CENTER; + } + + if ( item.m_mask & wxLIST_MASK_WIDTH ) + { + lvCol.mask |= LVCF_WIDTH; + if ( item.m_width == wxLIST_AUTOSIZE) + lvCol.cx = LVSCW_AUTOSIZE; + else if ( item.m_width == wxLIST_AUTOSIZE_USEHEADER) + lvCol.cx = LVSCW_AUTOSIZE_USEHEADER; + else + lvCol.cx = item.m_width; + } + + // see comment at the end of wxListCtrl::GetColumn() +#ifdef NM_CUSTOMDRAW // _WIN32_IE >= 0x0300 + if ( item.m_mask & wxLIST_MASK_IMAGE ) + { + if ( wxTheApp->GetComCtl32Version() >= 470 ) + { + lvCol.mask |= LVCF_IMAGE | LVCF_FMT; + + // we use LVCFMT_BITMAP_ON_RIGHT because thei mages 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; + + lvCol.iImage = item.m_image; + } + //else: it doesn't support item images anyhow + } +#endif // _WIN32_IE >= 0x0300 } #endif // wxUSE_LISTCTRL +