X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e373f51b6c2a9a43436e24b690c18f334e0605e6..9f522551db907c2776e7eeda60341019579d242a:/src/msw/listctrl.cpp?ds=sidebyside diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp index a9f6be255f..b009824380 100644 --- a/src/msw/listctrl.cpp +++ b/src/msw/listctrl.cpp @@ -1,16 +1,25 @@ ///////////////////////////////////////////////////////////////////////////// -// 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 ///////////////////////////////////////////////////////////////////////////// +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + #ifdef __GNUG__ #pragma implementation "listctrl.h" + #pragma implementation "listctrlbase.h" #endif // For compilers that support precompilation, includes "wx.h". @@ -20,43 +29,226 @@ #pragma hdrstop #endif +#if wxUSE_LISTCTRL && defined(__WIN95__) + #ifndef WX_PRECOMP - #include "wx/wx.h" + #include "wx/app.h" + #include "wx/intl.h" + #include "wx/log.h" + #include "wx/settings.h" #endif -#if defined(__WIN95__) - +#include "wx/textctrl.h" +#include "wx/imaglist.h" #include "wx/listctrl.h" -#include "wx/log.h" +#include "wx/dcclient.h" #include "wx/msw/private.h" -#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) +#if defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__) + #include "wx/msw/gnuwin32/extra.h" +#else #include #endif -#ifndef __TWIN32__ - #ifdef __GNUWIN32__ - #include "wx/msw/gnuwin32/extra.h" - #endif -#endif +#include "wx/msw/missing.h" + +// ---------------------------------------------------------------------------- +// private functions +// ---------------------------------------------------------------------------- + +// convert our state and mask flags to LV_ITEM constants +static void wxConvertToMSWFlags(long state, long mask, LV_ITEM& lvItem); + +// convert wxListItem to LV_ITEM +static void wxConvertToMSWListItem(const wxListCtrl *ctrl, + const wxListItem& info, LV_ITEM& lvItem); + +// convert LV_ITEM to wxListItem +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 commctl.dll and/or unicows.dll. This class is used to +// convert LV_ITEMA and LV_ITEMW to LV_ITEM (which is either LV_ITEMA or +// LV_ITEMW depending on wxUSE_UNICODE setting), so that it can be processed +// by wxConvertToMSWListItem(). +class wxLV_ITEM +{ +public: + ~wxLV_ITEM() { delete m_buf; } + operator LV_ITEM&() const { return *m_item; } + +#if wxUSE_UNICODE + wxLV_ITEM(LV_ITEMW &item) : m_buf(NULL), m_item(&item) {} + wxLV_ITEM(LV_ITEMA &item) + { + m_item = new LV_ITEM((LV_ITEM&)item); + if ( (item.mask & LVIF_TEXT) && item.pszText ) + { + m_buf = new wxMB2WXbuf(wxConvLocal.cMB2WX(item.pszText)); + m_item->pszText = (wxChar*)m_buf->data(); + } + else + m_buf = NULL; + } +private: + wxMB2WXbuf *m_buf; + +#else // !wxUSE_UNICODE + wxLV_ITEM(LV_ITEMW &item) + { + m_item = new LV_ITEM((LV_ITEM&)item); + + // the code below doesn't compile without wxUSE_WCHAR_T and as I don't + // know if it's useful to have it at all (do we ever get Unicode + // notifications in ANSI mode? I don't think so...) I'm not going to + // write alternative implementation right now + // + // but if it is indeed used, we should simply directly use + // ::WideCharToMultiByte() here +#if wxUSE_WCHAR_T + if ( (item.mask & LVIF_TEXT) && item.pszText ) + { + m_buf = new wxWC2WXbuf(wxConvLocal.cWC2WX(item.pszText)); + m_item->pszText = (wxChar*)m_buf->data(); + } + else +#endif // wxUSE_WCHAR_T + m_buf = NULL; + } + wxLV_ITEM(LV_ITEMA &item) : m_buf(NULL), m_item(&item) {} +private: + wxWC2WXbuf *m_buf; +#endif // wxUSE_UNICODE/!wxUSE_UNICODE + + LV_ITEM *m_item; + + DECLARE_NO_COPY_CLASS(wxLV_ITEM) +}; + +/////////////////////////////////////////////////////// +// Problem: +// The MSW version had problems with SetTextColour() et +// al as the wxListItemAttr's were stored keyed on the +// item index. If a item was inserted anywhere but the end +// of the list the the text attributes (colour etc) for +// the following items were out of sync. +// +// Solution: +// Under MSW the only way to associate data with a List +// item independant of its position in the list is to +// store a pointer to it in its lParam attribute. However +// user programs are already using this (via the +// SetItemData() GetItemData() calls). +// +// However what we can do is store a pointer to a +// structure which contains the attributes we want *and* +// a lParam for the users data, e.g. +// +// class wxListItemInternalData +// { +// public: +// wxListItemAttr *attr; +// long lParam; // user data +// }; +// +// To conserve memory, a wxListItemInternalData is +// only allocated for a LV_ITEM if text attributes or +// user data(lparam) are being set. + + +// class wxListItemInternalData +class wxListItemInternalData +{ +public: + wxListItemAttr *attr; + LPARAM lParam; // user data + + wxListItemInternalData() : attr(NULL), lParam(0) {} + ~wxListItemInternalData() + { + if (attr) + delete attr; + }; + + DECLARE_NO_COPY_CLASS(wxListItemInternalData) +}; + +// Get the internal data structure +static wxListItemInternalData *wxGetInternalData(HWND hwnd, long itemId); +static wxListItemInternalData *wxGetInternalData(wxListCtrl *ctl, long itemId); +static wxListItemAttr *wxGetInternalDataAttr(wxListCtrl *ctl, long itemId); +static void wxDeleteInternalData(wxListCtrl* ctl, long itemId); + + +// ---------------------------------------------------------------------------- +// events +// ---------------------------------------------------------------------------- + +DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_DRAG) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_RDRAG) +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) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_GET_INFO) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_SET_INFO) +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) + +IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl) +IMPLEMENT_DYNAMIC_CLASS(wxListView, wxListCtrl) +IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject) + +IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent) -static void wxConvertToMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& tvItem); -static void wxConvertFromMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& tvItem, HWND getFullInfo = 0); +BEGIN_EVENT_TABLE(wxListCtrl, wxControl) + EVT_PAINT(wxListCtrl::OnPaint) +END_EVENT_TABLE() -#if !USE_SHARED_LIBRARY - IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl) - IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject) -#endif // USE_SHARED_LIBRARY +// ============================================================================ +// implementation +// ============================================================================ -wxListCtrl::wxListCtrl() +// ---------------------------------------------------------------------------- +// wxListCtrl construction +// ---------------------------------------------------------------------------- + +void wxListCtrl::Init() { m_imageListNormal = NULL; m_imageListSmall = NULL; m_imageListState = NULL; + m_ownsImageListNormal = m_ownsImageListSmall = m_ownsImageListState = FALSE; m_baseStyle = 0; m_colCount = 0; + m_count = 0; + m_ignoreChangeMessages = FALSE; m_textCtrl = NULL; + m_AnyInternalData = FALSE; + m_hasAnyAttr = FALSE; } bool wxListCtrl::Create(wxWindow *parent, @@ -67,13 +259,10 @@ bool wxListCtrl::Create(wxWindow *parent, const wxValidator& validator, const wxString& name) { - m_imageListNormal = NULL; - m_imageListSmall = NULL; - m_imageListState = NULL; - m_textCtrl = NULL; - m_colCount = 0; - +#if wxUSE_VALIDATORS SetValidator(validator); +#endif // wxUSE_VALIDATORS + SetName(name); int x = pos.x; @@ -96,71 +285,122 @@ bool wxListCtrl::Create(wxWindow *parent, m_windowId = (id == -1) ? NewControlId() : id; - DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP; + DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP | + LVS_SHAREIMAGELISTS | LVS_SHOWSELALWAYS; - bool want3D; - WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ; + m_baseStyle = wstyle; + + if ( !DoCreateControl(x, y, width, height) ) + return FALSE; - // Even with extended styles, need to combine with WS_BORDER - // for them to look right. - if ( want3D || wxStyleHasBorder(m_windowStyle) ) - wstyle |= WS_BORDER; + if (parent) + parent->AddChild(this); - wstyle |= LVS_SHAREIMAGELISTS | LVS_SHOWSELALWAYS ; - m_baseStyle = wstyle; + return TRUE; +} + +bool wxListCtrl::DoCreateControl(int x, int y, int w, int h) +{ + DWORD wstyle = m_baseStyle; + + WXDWORD exStyle = 0; + WXDWORD standardStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ; long oldStyle = 0; // Dummy wstyle |= ConvertToMSWStyle(oldStyle, m_windowStyle); + wstyle |= standardStyle; // Create the ListView control. m_hWnd = (WXHWND)CreateWindowEx(exStyle, WC_LISTVIEW, - "", + wxT(""), wstyle, - x, y, width, height, - (HWND) parent->GetHWND(), + x, y, w, h, + GetWinHwnd(GetParent()), (HMENU)m_windowId, wxGetInstance(), NULL); - if ( !m_hWnd ) { - wxLogError("Can't create list control window."); + if ( !m_hWnd ) + { + wxLogError(_("Can't create list control window, check that comctl32.dll is installed.")); return FALSE; } // for comctl32.dll v 4.70+ we want to have this attribute because it's // prettier (and also because wxGTK does it like this) -#ifdef ListView_SetExtendedListViewStyle - if ( wstyle & LVS_REPORT ) + if ( (wstyle & LVS_REPORT) && wxTheApp->GetComCtl32Version() >= 470 ) { - ListView_SetExtendedListViewStyle((HWND)GetHWND(), - LVS_EX_FULLROWSELECT); + ::SendMessage(GetHwnd(), LVM_SETEXTENDEDLISTVIEWSTYLE, + 0, LVS_EX_FULLROWSELECT); } -#endif // ListView_SetExtendedListViewStyle - wxSystemSettings settings; - SetBackgroundColour(settings.GetSystemColour(wxSYS_COLOUR_WINDOW)); - SetForegroundColour(parent->GetForegroundColour()); + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); + SetForegroundColour(GetParent()->GetForegroundColour()); - if (parent) parent->AddChild(this); - - SubclassWin((WXHWND) m_hWnd); + SubclassWin(m_hWnd); return TRUE; } +void wxListCtrl::UpdateStyle() +{ + if ( GetHWND() ) + { + // The new window view style + long dummy; + DWORD dwStyleNew = ConvertToMSWStyle(dummy, m_windowStyle); + dwStyleNew |= m_baseStyle; + + // Get the current window style. + DWORD dwStyleOld = ::GetWindowLong(GetHwnd(), GWL_STYLE); + + // Only set the window style if the view bits have changed. + if ( dwStyleOld != dwStyleNew ) + { + ::SetWindowLong(GetHwnd(), GWL_STYLE, dwStyleNew); + } + } +} + +void wxListCtrl::FreeAllInternalData() +{ + if (m_AnyInternalData) + { + int n = GetItemCount(); + int i = 0; + + m_ignoreChangeMessages = TRUE; + for (i = 0; i < n; i++) + wxDeleteInternalData(this, i); + m_ignoreChangeMessages = FALSE; + + m_AnyInternalData = FALSE; + } +} + wxListCtrl::~wxListCtrl() { - if (m_textCtrl) + FreeAllInternalData(); + + if ( m_textCtrl ) { 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; } +// ---------------------------------------------------------------------------- +// set/get/change style +// ---------------------------------------------------------------------------- + // Add or remove a single window style void wxListCtrl::SetSingleStyle(long style, bool add) { @@ -170,11 +410,11 @@ void wxListCtrl::SetSingleStyle(long style, bool add) if ( add ) { if ( style & wxLC_MASK_TYPE) - flag = flag & ~wxLC_MASK_TYPE ; + flag = flag & ~wxLC_MASK_TYPE; if ( style & wxLC_MASK_ALIGN ) - flag = flag & ~wxLC_MASK_ALIGN ; + flag = flag & ~wxLC_MASK_ALIGN; if ( style & wxLC_MASK_SORT ) - flag = flag & ~wxLC_MASK_SORT ; + flag = flag & ~wxLC_MASK_SORT; } if ( flag & style ) @@ -192,7 +432,7 @@ void wxListCtrl::SetSingleStyle(long style, bool add) m_windowStyle = flag; - RecreateWindow(); + UpdateStyle(); } // Set the whole window style @@ -200,61 +440,7 @@ void wxListCtrl::SetWindowStyleFlag(long flag) { m_windowStyle = flag; - RecreateWindow(); -} - -void wxListCtrl::RecreateWindow() -{ - if ( GetHWND() ) - { - long oldStyle = 0; - long style = ConvertToMSWStyle(oldStyle, m_windowStyle); - style |= m_baseStyle; - // ::SetWindowLong((HWND) GetHWND(), GWL_STYLE, style); - - // The following recreation of the window appears to be necessary - // because SetWindowLong doesn't seem to do it. - - int x, y, width, height; - GetPosition(&x, &y); - GetSize(&width, &height); - - UnsubclassWin(); - ::DestroyWindow((HWND) GetHWND()); - - // Experimental - // Recreate the ListView control: unfortunately I can't - // make it work by using SetWindowLong. - bool want3D; - WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ; - HWND hWndListControl = CreateWindowEx(exStyle, - WC_LISTVIEW, - "", - style, - x, y, width, height, - (HWND) GetParent()->GetHWND(), - (HMENU)m_windowId, - wxGetInstance(), - NULL ); - - m_hWnd = (WXHWND) hWndListControl; - SubclassWin((WXHWND) m_hWnd); - -#ifdef ListView_SetExtendedListViewStyle - if ( style & LVS_REPORT ) - { - ListView_SetExtendedListViewStyle((HWND)GetHWND(), - LVS_EX_FULLROWSELECT); - } -#endif // ListView_SetExtendedListViewStyle - - if ( m_imageListNormal ) - SetImageList(m_imageListNormal, wxIMAGE_LIST_NORMAL); - if ( m_imageListSmall ) - SetImageList(m_imageListSmall, wxIMAGE_LIST_SMALL); - if ( m_imageListState ) - SetImageList(m_imageListState, wxIMAGE_LIST_STATE); - } + UpdateStyle(); } // Can be just a single style, or a bitlist @@ -323,12 +509,6 @@ long wxListCtrl::ConvertToMSWStyle(long& oldStyle, long style) const if ( style & wxLC_AUTOARRANGE ) wstyle |= LVS_AUTOARRANGE; - // Apparently, no such style (documentation wrong?) - /* - if ( style & wxLC_BUTTON ) - wstyle |= LVS_BUTTON; - */ - if ( style & wxLC_NO_SORT_HEADER ) wstyle |= LVS_NOSORTHEADER; @@ -355,34 +535,79 @@ long wxListCtrl::ConvertToMSWStyle(long& oldStyle, long style) const wstyle |= LVS_SORTDESCENDING; } +#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; } -// Sets the background colour (GetBackgroundColour already implicit in -// wxWindow class) -void wxListCtrl::SetBackgroundColour(const wxColour& col) +// ---------------------------------------------------------------------------- +// accessors +// ---------------------------------------------------------------------------- + +// Sets the foreground, i.e. text, colour +bool wxListCtrl::SetForegroundColour(const wxColour& col) +{ + if ( !wxWindow::SetForegroundColour(col) ) + return FALSE; + + ListView_SetTextColor(GetHwnd(), wxColourToRGB(col)); + + return TRUE; +} + +// Sets the background colour +bool wxListCtrl::SetBackgroundColour(const wxColour& col) { - wxWindow::SetBackgroundColour(col); + if ( !wxWindow::SetBackgroundColour(col) ) + return FALSE; + + // we set the same colour for both the "empty" background and the items + // background + COLORREF color = wxColourToRGB(col); + ListView_SetBkColor(GetHwnd(), color); + ListView_SetTextBkColor(GetHwnd(), color); - ListView_SetBkColor((HWND) GetHWND(), PALETTERGB(col.Red(), col.Green(), col.Blue())); + 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 ) { lvCol.mask |= LVCF_TEXT; - lvCol.pszText = new char[513]; + lvCol.pszText = new wxChar[513]; lvCol.cchTextMax = 512; } - bool success = (ListView_GetColumn((HWND) 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; @@ -395,13 +620,28 @@ bool wxListCtrl::GetColumn(int col, wxListItem& item) const if ( item.m_mask & wxLIST_MASK_FORMAT ) { - if (lvCol.fmt == LVCFMT_LEFT) - item.m_format = wxLIST_FORMAT_LEFT; - else if (lvCol.fmt == LVCFMT_RIGHT) - item.m_format = wxLIST_FORMAT_RIGHT; - else if (lvCol.fmt == LVCFMT_CENTER) - item.m_format = wxLIST_FORMAT_CENTRE; + switch (lvCol.fmt & LVCFMT_JUSTIFYMASK) { + case LVCFMT_LEFT: + item.m_format = wxLIST_FORMAT_LEFT; + break; + case LVCFMT_RIGHT: + item.m_format = wxLIST_FORMAT_RIGHT; + break; + case LVCFMT_CENTER: + item.m_format = wxLIST_FORMAT_CENTRE; + break; + default: + item.m_format = -1; // Unknown? + break; + } + } + +#if _WIN32_IE >= 0x0300 + if ( item.m_mask & wxLIST_MASK_IMAGE ) + { + item.m_image = lvCol.iImage; } +#endif return success; } @@ -410,47 +650,15 @@ 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; - } - - if ( item.m_mask & wxLIST_MASK_WIDTH ) - { - lvCol.mask |= LVCF_WIDTH; - lvCol.cx = item.m_width; + wxConvertToMSWListCol(col, item, lvCol); - 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((HWND) GetHWND(), col, & lvCol) != 0); + return ListView_SetColumn(GetHwnd(), col, &lvCol) != 0; } // Gets the column width int wxListCtrl::GetColumnWidth(int col) const { - return ListView_GetColumnWidth((HWND) GetHWND(), col); + return ListView_GetColumnWidth(GetHwnd(), col); } // Sets the column width @@ -466,20 +674,20 @@ bool wxListCtrl::SetColumnWidth(int col, int width) else if ( width2 == wxLIST_AUTOSIZE_USEHEADER) width2 = LVSCW_AUTOSIZE_USEHEADER; - return (ListView_SetColumnWidth((HWND) GetHWND(), col2, width2) != 0); + return ListView_SetColumnWidth(GetHwnd(), col2, width2) != 0; } // Gets the number of items that can fit vertically in the // visible area of the list control (list or report view) // or the total number of items in the list control (icon // or small icon view) -int wxListCtrl::GetCountPerPage(void) const +int wxListCtrl::GetCountPerPage() const { - return ListView_GetCountPerPage((HWND) GetHWND()); + return ListView_GetCountPerPage(GetHwnd()); } // Gets the edit control for editing labels. -wxTextCtrl* wxListCtrl::GetEditControl(void) const +wxTextCtrl* wxListCtrl::GetEditControl() const { return m_textCtrl; } @@ -488,18 +696,15 @@ wxTextCtrl* wxListCtrl::GetEditControl(void) const bool wxListCtrl::GetItem(wxListItem& info) const { LV_ITEM lvItem; -#ifdef __GNUWIN32__ - memset(&lvItem, 0, sizeof(lvItem)); -#else - ZeroMemory(&lvItem, sizeof(lvItem)); // must set all fields to 0 -#endif + wxZeroMemory(lvItem); lvItem.iItem = info.m_itemId; + lvItem.iSubItem = info.m_col; if ( info.m_mask & wxLIST_MASK_TEXT ) { lvItem.mask |= LVIF_TEXT; - lvItem.pszText = new char[513]; + lvItem.pszText = new wxChar[513]; lvItem.cchTextMax = 512; } else @@ -508,7 +713,10 @@ bool wxListCtrl::GetItem(wxListItem& info) const } if (info.m_mask & wxLIST_MASK_DATA) - lvItem.mask |= LVIF_PARAM ; + lvItem.mask |= LVIF_PARAM; + + if (info.m_mask & wxLIST_MASK_IMAGE) + lvItem.mask |= LVIF_IMAGE; if ( info.m_mask & wxLIST_MASK_STATE ) { @@ -525,7 +733,8 @@ bool wxListCtrl::GetItem(wxListItem& info) const } else { - wxConvertFromMSWListItem(this, info, lvItem); + // give NULL as hwnd as we already have everything we need + wxConvertFromMSWListItem(NULL, info, lvItem); } if (lvItem.pszText) @@ -539,8 +748,75 @@ bool wxListCtrl::SetItem(wxListItem& info) { LV_ITEM item; wxConvertToMSWListItem(this, info, item); - item.cchTextMax = 0; - return (ListView_SetItem((HWND) GetHWND(), &item) != 0); + + // 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 ) + { + item.cchTextMax = 0; + if ( !ListView_SetItem(GetHwnd(), &item) ) + { + wxLogDebug(_T("ListView_SetItem() failed")); + + return FALSE; + } + } + + // we need to update the item immediately to show the new image + bool updateNow = (info.m_mask & wxLIST_MASK_IMAGE) != 0; + + // check whether it has any custom attributes + if ( info.HasAttributes() ) + { + m_hasAnyAttr = TRUE; + + // if the colour has changed, we must redraw the item + updateNow = TRUE; + } + + if ( updateNow ) + { + // we need this to make the change visible right now + RefreshItem(item.iItem); + } + + return TRUE; } long wxListCtrl::SetItem(long index, int col, const wxString& label, int imageId) @@ -564,7 +840,7 @@ int wxListCtrl::GetItemState(long item, long stateMask) const { wxListItem info; - info.m_mask = wxLIST_MASK_STATE ; + info.m_mask = wxLIST_MASK_STATE; info.m_stateMask = stateMask; info.m_itemId = item; @@ -577,22 +853,57 @@ int wxListCtrl::GetItemState(long item, long stateMask) const // Sets the item state bool wxListCtrl::SetItemState(long item, long state, long stateMask) { - wxListItem info; + // NB: don't use SetItem() here as it doesn't work with the virtual list + // controls + LV_ITEM lvItem; + wxZeroMemory(lvItem); + + 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; + } - info.m_mask = wxLIST_MASK_STATE ; - info.m_state = state; - info.m_stateMask = stateMask; - info.m_itemId = item; + if ( !::SendMessage(GetHwnd(), LVM_SETITEMSTATE, + (WPARAM)item, (LPARAM)&lvItem) ) + { + wxLogLastError(_T("ListView_SetItemState")); - return SetItem(info); + 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; } // Sets the item image -bool wxListCtrl::SetItemImage(long item, int image, int selImage) +bool wxListCtrl::SetItemImage(long item, int image, int WXUNUSED(selImage)) { wxListItem info; - info.m_mask = wxLIST_MASK_IMAGE ; + info.m_mask = wxLIST_MASK_IMAGE; info.m_image = image; info.m_itemId = item; @@ -604,11 +915,11 @@ wxString wxListCtrl::GetItemText(long item) const { wxListItem info; - info.m_mask = wxLIST_MASK_TEXT ; + info.m_mask = wxLIST_MASK_TEXT; info.m_itemId = item; if (!GetItem(info)) - return wxString(""); + return wxEmptyString; return info.m_text; } @@ -617,7 +928,7 @@ void wxListCtrl::SetItemText(long item, const wxString& str) { wxListItem info; - info.m_mask = wxLIST_MASK_TEXT ; + info.m_mask = wxLIST_MASK_TEXT; info.m_itemId = item; info.m_text = str; @@ -629,7 +940,7 @@ long wxListCtrl::GetItemData(long item) const { wxListItem info; - info.m_mask = wxLIST_MASK_DATA ; + info.m_mask = wxLIST_MASK_DATA; info.m_itemId = item; if (!GetItem(info)) @@ -642,7 +953,7 @@ bool wxListCtrl::SetItemData(long item, long data) { wxListItem info; - info.m_mask = wxLIST_MASK_DATA ; + info.m_mask = wxLIST_MASK_DATA; info.m_itemId = item; info.m_data = data; @@ -652,22 +963,29 @@ bool wxListCtrl::SetItemData(long item, long data) // 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()") ); + + codeWin = LVIR_BOUNDS; + } + + bool success = ListView_GetItemRect(GetHwnd(), (int) item, &rectWin, codeWin) != 0; - bool success = (ListView_GetItemRect((HWND) GetHWND(), (int) item, &rect2, code2) != 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.left; return success; } @@ -676,7 +994,7 @@ bool wxListCtrl::GetItemPosition(long item, wxPoint& pos) const { POINT pt; - bool success = (ListView_GetItemPosition((HWND) GetHWND(), (int) item, &pt) != 0); + bool success = (ListView_GetItemPosition(GetHwnd(), (int) item, &pt) != 0); pos.x = pt.x; pos.y = pt.y; return success; @@ -685,13 +1003,13 @@ bool wxListCtrl::GetItemPosition(long item, wxPoint& pos) const // Sets the item position. bool wxListCtrl::SetItemPosition(long item, const wxPoint& pos) { - return (ListView_SetItemPosition((HWND) GetHWND(), (int) item, pos.x, pos.y) != 0); + return (ListView_SetItemPosition(GetHwnd(), (int) item, pos.x, pos.y) != 0); } // Gets the number of items in the list control -int wxListCtrl::GetItemCount(void) const +int wxListCtrl::GetItemCount() const { - return ListView_GetItemCount((HWND) GetHWND()); + return m_count; } // Retrieves the spacing between icons in pixels. @@ -699,19 +1017,51 @@ int wxListCtrl::GetItemCount(void) const // view, otherwise the large icon view. int wxListCtrl::GetItemSpacing(bool isSmall) const { - return ListView_GetItemSpacing((HWND) GetHWND(), (BOOL) isSmall); + return ListView_GetItemSpacing(GetHwnd(), (BOOL) isSmall); +} + +void wxListCtrl::SetItemTextColour( long item, const wxColour &col ) +{ + wxListItem info; + info.m_itemId = item; + info.SetTextColour( col ); + SetItem( info ); +} + +wxColour wxListCtrl::GetItemTextColour( long item ) const +{ + wxListItem info; + info.m_itemId = item; + GetItem( info ); + return info.GetTextColour(); +} + +void wxListCtrl::SetItemBackgroundColour( long item, const wxColour &col ) +{ + wxListItem info; + info.m_itemId = item; + info.SetBackgroundColour( col ); + SetItem( info ); +} + +wxColour wxListCtrl::GetItemBackgroundColour( long item ) const +{ + wxListItem info; + info.m_itemId = item; + GetItem( info ); + return info.GetBackgroundColour(); } // Gets the number of selected items in the list control -int wxListCtrl::GetSelectedItemCount(void) const +int wxListCtrl::GetSelectedItemCount() const { - return ListView_GetSelectedCount((HWND) GetHWND()); + return ListView_GetSelectedCount(GetHwnd()); } // Gets the text colour of the listview -wxColour wxListCtrl::GetTextColour(void) const +wxColour wxListCtrl::GetTextColour() const { - COLORREF ref = ListView_GetTextColor((HWND) GetHWND()); + COLORREF ref = ListView_GetTextColor(GetHwnd()); wxColour col(GetRValue(ref), GetGValue(ref), GetBValue(ref)); return col; } @@ -719,14 +1069,14 @@ wxColour wxListCtrl::GetTextColour(void) const // Sets the text colour of the listview void wxListCtrl::SetTextColour(const wxColour& col) { - ListView_SetTextColor((HWND) GetHWND(), PALETTERGB(col.Red(), col.Blue(), col.Green())); + ListView_SetTextColor(GetHwnd(), PALETTERGB(col.Red(), col.Green(), col.Blue())); } // Gets the index of the topmost visible item when in // list or report view -long wxListCtrl::GetTopItem(void) const +long wxListCtrl::GetTopItem() const { - return (long) ListView_GetTopIndex((HWND) GetHWND()); + return (long) ListView_GetTopIndex(GetHwnd()); } // Searches for an item, starting from 'item'. @@ -761,7 +1111,7 @@ long wxListCtrl::GetNextItem(long item, int geom, int state) const if ( state & wxLIST_STATE_SELECTED ) flags |= LVNI_SELECTED; - return (long) ListView_GetNextItem((HWND) GetHWND(), item, flags); + return (long) ListView_GetNextItem(GetHwnd(), item, flags); } @@ -788,23 +1138,41 @@ void wxListCtrl::SetImageList(wxImageList *imageList, int which) if ( which == wxIMAGE_LIST_NORMAL ) { flags = LVSIL_NORMAL; + if (m_ownsImageListNormal) delete m_imageListNormal; m_imageListNormal = imageList; + m_ownsImageListNormal = FALSE; } else if ( which == wxIMAGE_LIST_SMALL ) { flags = LVSIL_SMALL; + if (m_ownsImageListSmall) delete m_imageListSmall; m_imageListSmall = imageList; + m_ownsImageListSmall = FALSE; } else if ( which == wxIMAGE_LIST_STATE ) { flags = LVSIL_STATE; + if (m_ownsImageListState) delete m_imageListState; m_imageListState = imageList; + m_ownsImageListState = FALSE; } - ListView_SetImageList((HWND) GetHWND(), (HIMAGELIST) imageList ? imageList->GetHIMAGELIST() : 0, flags); + ListView_SetImageList(GetHwnd(), (HIMAGELIST) imageList ? imageList->GetHIMAGELIST() : 0, flags); +} + +void wxListCtrl::AssignImageList(wxImageList *imageList, int which) +{ + SetImageList(imageList, which); + if ( which == wxIMAGE_LIST_NORMAL ) + m_ownsImageListNormal = TRUE; + else if ( which == wxIMAGE_LIST_SMALL ) + m_ownsImageListSmall = TRUE; + else if ( which == wxIMAGE_LIST_STATE ) + m_ownsImageListState = TRUE; } +// ---------------------------------------------------------------------------- // Operations -//////////////////////////////////////////////////////////////////////////// +// ---------------------------------------------------------------------------- // Arranges the items bool wxListCtrl::Arrange(int flag) @@ -819,37 +1187,78 @@ bool wxListCtrl::Arrange(int flag) else if ( flag == wxLIST_ALIGN_SNAP_TO_GRID ) code = LVA_SNAPTOGRID; - return (ListView_Arrange((HWND) GetHWND(), code) != 0); + return (ListView_Arrange(GetHwnd(), code) != 0); } // Deletes an item bool wxListCtrl::DeleteItem(long item) { - return (ListView_DeleteItem((HWND) GetHWND(), (int) item) != 0); + if ( !ListView_DeleteItem(GetHwnd(), (int) item) ) + { + wxLogLastError(_T("ListView_DeleteItem")); + return FALSE; + } + + m_count -= 1; + 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((HWND) GetHWND()) != 0); + FreeAllInternalData(); + return ListView_DeleteAllItems(GetHwnd()) != 0; } // Deletes all items bool wxListCtrl::DeleteAllColumns() { - int i; - for ( i = 0; i < m_colCount; i++) + while ( m_colCount > 0 ) { - if (ListView_DeleteColumn((HWND) GetHWND(), 0) != 0) - m_colCount --; + if ( ListView_DeleteColumn(GetHwnd(), 0) == 0 ) + { + wxLogLastError(wxT("ListView_DeleteColumn")); + + return FALSE; + } + + m_colCount--; } - return (m_colCount == 0); + + wxASSERT_MSG( m_colCount == 0, wxT("no columns should be left") ); + + return TRUE; } // Deletes a column bool wxListCtrl::DeleteColumn(int col) { - bool success = (ListView_DeleteColumn((HWND) GetHWND(), col) != 0); + bool success = (ListView_DeleteColumn(GetHwnd(), col) != 0); if ( success && (m_colCount > 0) ) m_colCount --; @@ -868,49 +1277,50 @@ wxTextCtrl* wxListCtrl::EditLabel(long item, wxClassInfo* textControlClass) { wxASSERT( (textControlClass->IsKindOf(CLASSINFO(wxTextCtrl))) ); - HWND hWnd = (HWND) ListView_EditLabel((HWND) GetHWND(), item); + // ListView_EditLabel requires that the list has focus. + SetFocus(); - 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->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; } // End label editing, optionally cancelling the edit -bool wxListCtrl::EndEditLabel(bool cancel) -{ - wxFAIL; - - /* I don't know how to implement this: there's no such macro as ListView_EndEditLabelNow. - * ??? - bool success = (ListView_EndEditLabelNow((HWND) GetHWND(), cancel) != 0); - - if (m_textCtrl) - { - m_textCtrl->UnsubclassWin(); - m_textCtrl->SetHWND(0); - delete m_textCtrl; - m_textCtrl = NULL; - } - return success; - */ +bool wxListCtrl::EndEditLabel(bool WXUNUSED(cancel)) +{ + wxFAIL_MSG( _T("not implemented") ); + return FALSE; } - // Ensures this item is visible bool wxListCtrl::EnsureVisible(long item) { - return (ListView_EnsureVisible((HWND) GetHWND(), (int) item, FALSE) != 0); + return ListView_EnsureVisible(GetHwnd(), (int) item, FALSE) != 0; } // Find an item whose label matches this string, starting from the item after 'start' @@ -921,22 +1331,35 @@ long wxListCtrl::FindItem(long start, const wxString& str, bool partial) findInfo.flags = LVFI_STRING; if ( partial ) - findInfo.flags |= LVFI_STRING; - findInfo.psz = WXSTRINGCAST str; + findInfo.flags |= LVFI_PARTIAL; + findInfo.psz = str; - return ListView_FindItem((HWND) GetHWND(), (int) start, & findInfo); + // ListView_FindItem() excludes the first item from search and to look + // through all the items you need to start from -1 which is unnatural and + // inconsistent with the generic version - so we adjust the index + if (start != -1) + start --; + return ListView_FindItem(GetHwnd(), (int) start, &findInfo); } // Find an item whose data matches this data, starting from the item after 'start' // or the beginning if 'start' is -1. +// NOTE : Lindsay Mathieson - 14-July-2002 +// No longer use ListView_FindItem as the data attribute is now stored +// in a wxListItemInternalData structure refernced by the actual lParam long wxListCtrl::FindItem(long start, long data) { - LV_FINDINFO findInfo; + long idx = start + 1; + long count = GetItemCount(); - findInfo.flags = LVFI_PARAM; - findInfo.lParam = data; + while (idx < count) + { + if (GetItemData(idx) == data) + return idx; + idx++; + }; - return ListView_FindItem((HWND) GetHWND(), (int) start, & findInfo); + return -1; } // Find an item nearest this position in the specified direction, starting from @@ -959,7 +1382,7 @@ long wxListCtrl::FindItem(long start, const wxPoint& pt, int direction) else if ( direction == wxLIST_FIND_RIGHT ) findInfo.vkDirection = VK_RIGHT; - return ListView_FindItem((HWND) GetHWND(), (int) start, & findInfo); + return ListView_FindItem(GetHwnd(), (int) start, & findInfo); } // Determines which item (if any) is at the specified point, @@ -970,7 +1393,7 @@ long wxListCtrl::HitTest(const wxPoint& point, int& flags) hitTestInfo.pt.x = (int) point.x; hitTestInfo.pt.y = (int) point.y; - ListView_HitTest((HWND) GetHWND(), & hitTestInfo); + ListView_HitTest(GetHwnd(), & hitTestInfo); flags = 0; if ( hitTestInfo.flags & LVHT_ABOVE ) @@ -990,18 +1413,48 @@ long wxListCtrl::HitTest(const wxPoint& point, int& flags) if ( hitTestInfo.flags & LVHT_TORIGHT ) flags |= wxLIST_HITTEST_TORIGHT; - return (long) hitTestInfo.iItem ; + return (long) hitTestInfo.iItem; } // Inserts an item, returning the index of the new item if successful, // -1 otherwise. long wxListCtrl::InsertItem(wxListItem& info) { + wxASSERT_MSG( !IsVirtual(), _T("can't be used with virtual controls") ); + LV_ITEM item; wxConvertToMSWListItem(this, info, item); + item.mask &= ~LVIF_PARAM; - return (long) ListView_InsertItem((HWND) GetHWND(), & item); -} + // 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; + + if (info.m_mask & wxLIST_MASK_DATA) + data->lParam = info.m_data; + + // check whether it has any custom attributes + if ( info.HasAttributes() ) + { + // take copy of attributes + data->attr = new wxListItemAttr(*info.GetAttributes()); + } + }; + + long rv = ListView_InsertItem(GetHwnd(), & item); + m_count += 1; + wxASSERT_MSG( m_count == ListView_GetItemCount(GetHwnd()), + wxT("m_count should match ListView_GetItemCount")); + + return rv; +} long wxListCtrl::InsertItem(long index, const wxString& label) { @@ -1037,64 +1490,50 @@ 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; + wxConvertToMSWListCol(col, item, lvCol); - 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; - } - - 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; + // when we insert a column which can contain an image, we must specify this + // flag right now as doing it later in SetColumn() has no effect + // + // we use LVCFMT_BITMAP_ON_RIGHT by default because without it there is no + // way to dynamically set/clear the bitmap as the column without a bitmap + // on the left looks ugly (there is a hole) + // + // unfortunately with my version of comctl32.dll (5.80), the left column + // image is always on the left and it seems that it's a "feature" - I + // didn't find any way to work around it in any case + if ( lvCol.mask & LVCF_IMAGE ) + { + lvCol.mask |= LVCF_FMT; + lvCol.fmt |= LVCFMT_BITMAP_ON_RIGHT; + } - bool success = ListView_InsertColumn((HWND) GetHWND(), col, & lvCol) != -1; + bool success = ListView_InsertColumn(GetHwnd(), col, &lvCol) != -1; if ( success ) { m_colCount++; } else { - wxLogDebug("Failed to insert the column '%s' into listview!", + wxLogDebug(wxT("Failed to insert the column '%s' into listview!"), lvCol.pszText); } return success; } -long wxListCtrl::InsertColumn(long col, const wxString& heading, int format, - int width) +long wxListCtrl::InsertColumn(long col, + const wxString& heading, + int format, + int width) { wxListItem item; item.m_mask = wxLIST_MASK_TEXT | wxLIST_MASK_FORMAT; @@ -1109,14 +1548,18 @@ long wxListCtrl::InsertColumn(long col, const wxString& heading, int format, 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((HWND) 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. @@ -1130,11 +1573,56 @@ bool wxListCtrl::ScrollList(int dx, int dy) // or zero if the two items are equivalent. // data is arbitrary data to be passed to the sort function. + +// Internal structures for proxying the user compare function +// so that we can pass it the *real* user data + +// translate lParam data and call user func +struct wxInternalDataSort +{ + wxListCtrlCompare user_fn; + long data; +}; + +int CALLBACK wxInternalDataCompareFunc(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort) +{ + struct wxInternalDataSort *internalData = (struct wxInternalDataSort *) lParamSort; + + wxListItemInternalData *data1 = (wxListItemInternalData *) lParam1; + wxListItemInternalData *data2 = (wxListItemInternalData *) lParam2; + + long d1 = (data1 == NULL ? 0 : data1->lParam); + long d2 = (data2 == NULL ? 0 : data2->lParam); + + return internalData->user_fn(d1, d2, internalData->data); + +}; + bool wxListCtrl::SortItems(wxListCtrlCompare fn, long data) { - return (ListView_SortItems((HWND) GetHWND(), (PFNLVCOMPARE) fn, data) != 0); + struct wxInternalDataSort internalData; + internalData.user_fn = fn; + internalData.data = data; + + // WPARAM cast is needed for mingw/cygwin + if ( !ListView_SortItems(GetHwnd(), + wxInternalDataCompareFunc, + (WPARAM) &internalData) ) + { + wxLogDebug(_T("ListView_SortItems() failed")); + + return FALSE; + } + + return TRUE; } + + +// ---------------------------------------------------------------------------- +// message processing +// ---------------------------------------------------------------------------- + bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id) { if (cmd == EN_UPDATE) @@ -1151,186 +1639,828 @@ bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id) ProcessCommand(event); return TRUE; } - else return FALSE; + else + return FALSE; } -bool wxListCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result) +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 *hdr1 = (NMHDR *) lParam; - switch ( hdr1->code ) + + NMHDR *nmhdr = (NMHDR *)lParam; + + // 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 + + // check for messages from the header (in report view) + HWND hwndHdr = ListView_GetHeader(GetHwnd()); + + // 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; - { - NM_LISTVIEW *hdr = (NM_LISTVIEW *)lParam; - event.m_itemIndex = hdr->iItem; - event.m_pointDrag.x = hdr->ptAction.x; - event.m_pointDrag.y = hdr->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; - case LVN_BEGINLABELEDIT: - { - eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT; - LV_DISPINFO *info = (LV_DISPINFO *)lParam; - wxConvertFromMSWListItem(this, event.m_item, info->item, (HWND) GetHWND()); + 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 ( !::GetCursorPos(&ptClick) ) + { + wxLogLastError(_T("GetCursorPos")); + } + + if ( !::ScreenToClient(hwndHdr, &ptClick) ) + { + wxLogLastError(_T("ScreenToClient(listctrl header)")); + } + + event.m_pointDrag.x = ptClick.x; + event.m_pointDrag.y = ptClick.y; + + int colCount = Header_GetItemCount(hwndHdr); + + 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 LVN_COLUMNCLICK: - { + case HDN_GETDISPINFOW: + { + LPNMHDDISPINFOW info = (LPNMHDDISPINFOW) lParam; + // This is a fix for a strange bug under XP. + // Normally, info->iItem is a valid index, but + // sometimes this is a silly (large) number + // and when we return FALSE via wxControl::MSWOnNotify + // to indicate that it hasn't yet been processed, + // there's a GPF in Windows. + // By returning TRUE here, we avoid further processing + // of this strange message. + if ( info->iItem >= GetColumnCount() ) + return TRUE; + } + // fall through + + default: + return wxControl::MSWOnNotify(idCtrl, lParam, result); + } + } + else +#endif // defined(HDN_BEGINTRACKA) + if ( nmhdr->hwndFrom == GetHwnd() ) + { + // almost all messages use NM_LISTVIEW + NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr; + + const int iItem = nmLV->iItem; + + + // FreeAllInternalData will cause LVN_ITEMCHANG* messages, which can be + // ignored for efficiency. It is done here because the internal data is in the + // process of being deleted so we don't want to try and access it below. + if ( m_ignoreChangeMessages && + ( (nmLV->hdr.code == LVN_ITEMCHANGED) || (nmLV->hdr.code == LVN_ITEMCHANGING))) + { + return TRUE; + } + + + // If we have a valid item then check if there is a data value + // associated with it and put it in the event. + if ( iItem >= 0 && iItem < GetItemCount() ) + { + wxListItemInternalData *internaldata = + wxGetInternalData(GetHwnd(), iItem); + + if ( internaldata ) + event.m_item.m_data = internaldata->lParam; + } + + + switch ( nmhdr->code ) + { + case LVN_BEGINRDRAG: + eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG; + // fall through + + case LVN_BEGINDRAG: + if ( eventType == wxEVT_NULL ) + { + eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG; + } + + event.m_itemIndex = iItem; + event.m_pointDrag.x = nmLV->ptAction.x; + event.m_pointDrag.y = nmLV->ptAction.y; + break; + + // NB: we have to handle both *A and *W versions here because some + // versions of comctl32.dll send ANSI message to an Unicode app + case LVN_BEGINLABELEDITA: + { + eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT; + wxLV_ITEM item(((LV_DISPINFOA *)lParam)->item); + wxConvertFromMSWListItem(GetHwnd(), event.m_item, item); + event.m_itemIndex = event.m_item.m_itemId; + } + break; + case LVN_BEGINLABELEDITW: + { + eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT; + wxLV_ITEM item(((LV_DISPINFOW *)lParam)->item); + wxConvertFromMSWListItem(GetHwnd(), event.m_item, item); + event.m_itemIndex = event.m_item.m_itemId; + } + break; + + case LVN_ENDLABELEDITA: + { + eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT; + wxLV_ITEM item(((LV_DISPINFOA *)lParam)->item); + wxConvertFromMSWListItem(NULL, event.m_item, item); + if ( ((LV_ITEM)item).pszText == NULL || + ((LV_ITEM)item).iItem == -1 ) + { + // 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 FALSE; + } + + event.m_itemIndex = event.m_item.m_itemId; + } + break; + case LVN_ENDLABELEDITW: + { + eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT; + wxLV_ITEM item(((LV_DISPINFOW *)lParam)->item); + wxConvertFromMSWListItem(NULL, event.m_item, item); + if ( ((LV_ITEM)item).pszText == NULL || + ((LV_ITEM)item).iItem == -1 ) + { + // 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 FALSE; + } + + event.m_itemIndex = event.m_item.m_itemId; + } + break; + + case LVN_COLUMNCLICK: eventType = wxEVT_COMMAND_LIST_COL_CLICK; - NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam; event.m_itemIndex = -1; - event.m_col = hdr->iSubItem; + event.m_col = nmLV->iSubItem; break; - } - case LVN_DELETEALLITEMS: - { + + case LVN_DELETEALLITEMS: + m_count = 0; eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS; - // NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam; event.m_itemIndex = -1; break; - } - case LVN_DELETEITEM: - { + + case LVN_DELETEITEM: + if (m_count == 0) + // this should be prevented by the post-processing code below, + // but "just in case" + return FALSE; + eventType = wxEVT_COMMAND_LIST_DELETE_ITEM; - NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam; - event.m_itemIndex = hdr->iItem; - break; - } - case LVN_ENDLABELEDIT: - { - eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT; - LV_DISPINFO *info = (LV_DISPINFO *)lParam; - wxConvertFromMSWListItem(this, event.m_item, info->item, (HWND) GetHWND()); - if ( info->item.pszText == NULL || info->item.iItem == -1 ) - event.m_cancelled = TRUE; + event.m_itemIndex = iItem; + // delete the assoicated internal data + wxDeleteInternalData(this, iItem); break; - } - case LVN_GETDISPINFO: - { - // return FALSE; - // TODO: some text buffering here, I think - // TODO: API for getting Windows to retrieve values - // on demand. - eventType = wxEVT_COMMAND_LIST_GET_INFO; - LV_DISPINFO *info = (LV_DISPINFO *)lParam; - wxConvertFromMSWListItem(this, event.m_item, info->item, (HWND) GetHWND()); + + case LVN_SETDISPINFO: + { + eventType = wxEVT_COMMAND_LIST_SET_INFO; + LV_DISPINFO *info = (LV_DISPINFO *)lParam; + wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item); + } break; - } - case LVN_INSERTITEM: - { + + case LVN_INSERTITEM: eventType = wxEVT_COMMAND_LIST_INSERT_ITEM; - NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam; - event.m_itemIndex = hdr->iItem; + event.m_itemIndex = 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. - NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam; - if ( (hdr->uNewState & LVIS_SELECTED) && !(hdr->uOldState & LVIS_SELECTED) ) + + case LVN_ITEMCHANGED: + // we translate this catch all message into more interesting + // (and more easy to process) wxWindows events + + // first of all, we deal with the state change events only and + // only for valid items (item == -1 for the virtual list + // control) + if ( nmLV->uChanged & LVIF_STATE && iItem != -1 ) { - eventType = wxEVT_COMMAND_LIST_ITEM_SELECTED; - event.m_itemIndex = hdr->iItem; + // 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; + } } - else if ( !(hdr->uNewState & LVIS_SELECTED) && (hdr->uOldState & LVIS_SELECTED) ) + + if ( eventType == wxEVT_NULL ) { - eventType = wxEVT_COMMAND_LIST_ITEM_DESELECTED; - event.m_itemIndex = hdr->iItem; + // not an interesting event for us + return FALSE; } - else + + 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; - } - case LVN_KEYDOWN: - { - eventType = wxEVT_COMMAND_LIST_KEY_DOWN; - LV_KEYDOWN *info = (LV_KEYDOWN *)lParam; - event.m_code = wxCharCodeMSWToWX(info->wVKey); + + 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; + } + + // else translate it into wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK event + LV_HITTESTINFO lvhti; + wxZeroMemory(lvhti); + + ::GetCursorPos(&(lvhti.pt)); + ::ScreenToClient(GetHwnd(),&(lvhti.pt)); + if ( ListView_HitTest(GetHwnd(),&lvhti) != -1 ) + { + if ( lvhti.flags & LVHT_ONITEM ) + { + eventType = wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK; + event.m_itemIndex = lvhti.iItem; + event.m_pointDrag.x = lvhti.pt.x; + event.m_pointDrag.y = lvhti.pt.y; + } + } break; + +#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \ + && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) ) + case NM_CUSTOMDRAW: + *result = OnCustomDraw(lParam); + + return TRUE; +#endif // _WIN32_IE >= 0x300 + + case LVN_ODCACHEHINT: + { + const NM_CACHEHINT *cacheHint = (NM_CACHEHINT *)lParam; + + 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; + + event.m_oldItemIndex = cacheHint->iFrom; + + const long iMax = GetItemCount(); + event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo + : iMax - 1; + } + break; + + case LVN_GETDISPINFO: + if ( IsVirtual() ) + { + LV_DISPINFO *info = (LV_DISPINFO *)lParam; + + 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 defined(_WIN32_IE) && _WIN32_IE >= 0x300 \ + && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 1 ) ) + if ( lvi.mask & LVIF_IMAGE ) + { + lvi.iImage = OnGetItemImage(item); + } +#endif + + // 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 + + default: + return wxControl::MSWOnNotify(idCtrl, lParam, result); + } + } + else + { + // where did this one come from? + return FALSE; + } + + // process the event + // ----------------- + + event.SetEventType(eventType); + + bool processed = GetEventHandler()->ProcessEvent(event); + + // post processing + // --------------- + switch ( nmhdr->code ) + { + case LVN_DELETEALLITEMS: + // 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; + + case LVN_ENDLABELEDITA: + case LVN_ENDLABELEDITW: + // logic here is inversed compared to all the other messages + *result = event.IsAllowed(); + + // don't keep a stale wxTextCtrl around + if ( m_textCtrl ) + { + // EDIT control will be deleted by the list control itself so + // prevent us from deleting it as well + m_textCtrl->UnsubclassWin(); + m_textCtrl->SetHWND(0); + delete m_textCtrl; + m_textCtrl = NULL; } - case LVN_SETDISPINFO: + + return TRUE; + } + + if ( processed ) + *result = !event.IsAllowed(); + + return processed; +} + +#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 + +WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam) +{ + LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW)lParam; + NMCUSTOMDRAW& nmcd = lplvcd->nmcd; + switch ( nmcd.dwDrawStage ) + { + case CDDS_PREPAINT: + // if we've got any items with non standard attributes, + // notify us before painting each item + // + // 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; + + case CDDS_ITEMPREPAINT: { - eventType = wxEVT_COMMAND_LIST_SET_INFO; - LV_DISPINFO *info = (LV_DISPINFO *)lParam; - wxConvertFromMSWListItem(this, event.m_item, info->item, (HWND) GetHWND()); - break; + 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; + } + + 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 - default : - return wxControl::MSWNotify(wParam, lParam, result); + default: + return CDRF_DODEFAULT; } +} - event.SetEventObject( this ); - event.SetEventType(eventType); +#endif // NM_CUSTOMDRAW supported - if ( !GetEventHandler()->ProcessEvent(event) ) - return FALSE; +// Necessary for drawing hrules and vrules, if specified +void wxListCtrl::OnPaint(wxPaintEvent& event) +{ + wxPaintDC dc(this); - if (hdr1->code == LVN_GETDISPINFO) + wxControl::OnPaint(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); + + if (!drawHRules && !drawVRules) + return; + if ((GetWindowStyle() & wxLC_REPORT) == 0) + return; + + 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) + { + long top = GetTopItem(); + for (i = top; i < top + GetCountPerPage() + 1; i++) + { + if (GetItemRect(i, itemRect)) + { + cy = itemRect.GetTop(); + if (i != 0) // Don't draw the first one + { + dc.DrawLine(0, cy, clientSize.x, cy); + } + // Draw last line + if (i == itemCount - 1) + { + cy = itemRect.GetBottom(); + dc.DrawLine(0, cy, clientSize.x, cy); + } + } + } + } + i = itemCount - 1; + if (drawVRules && (i > -1)) { - LV_DISPINFO *info = (LV_DISPINFO *)lParam; - if ( info->item.mask & LVIF_TEXT ) + wxRect firstItemRect; + GetItemRect(0, firstItemRect); + + if (GetItemRect(i, itemRect)) { - if ( !event.m_item.m_text.IsNull() ) + int col; + int x = itemRect.GetX(); + for (col = 0; col < GetColumnCount(); col++) { - info->item.pszText = AddPool(event.m_item.m_text); - info->item.cchTextMax = strlen(info->item.pszText) + 1; + int colWidth = GetColumnWidth(col); + x += colWidth ; + dc.DrawLine(x-1, firstItemRect.GetY() - 2, x-1, itemRect.GetBottom()); } } - // wxConvertToMSWListItem(this, event.m_item, info->item); } +} - *result = !event.IsAllowed(); +// ---------------------------------------------------------------------------- +// virtual list controls +// ---------------------------------------------------------------------------- - return TRUE; +wxString wxListCtrl::OnGetItemText(long WXUNUSED(item), long WXUNUSED(col)) const +{ + // 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("wxListCtrl::OnGetItemText not supposed to be called") ); + + return wxEmptyString; } -char *wxListCtrl::AddPool(const wxString& str) +int wxListCtrl::OnGetItemImage(long WXUNUSED(item)) const { - // Remove the first element if 3 strings exist - if ( m_stringPool.Number() == 3 ) + // same as above + wxFAIL_MSG( _T("wxListCtrl::OnGetItemImage not supposed to be called") ); + + return -1; +} + +wxListItemAttr *wxListCtrl::OnGetItemAttr(long WXUNUSED_UNLESS_DEBUG(item)) const +{ + wxASSERT_MSG( item >= 0 && item < GetItemCount(), + _T("invalid item index in OnGetItemAttr()") ); + + // no attributes by default + return NULL; +} + +void wxListCtrl::SetItemCount(long count) +{ + wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") ); + + if ( !::SendMessage(GetHwnd(), LVM_SETITEMCOUNT, (WPARAM)count, LVSICF_NOSCROLL) ) { - wxNode *node = m_stringPool.First(); - delete[] (char *)node->Data(); - delete node; + wxLogLastError(_T("ListView_SetItemCount")); } - wxNode *node = m_stringPool.Add((char *) (const char *)str); - return (char *)node->Data(); + m_count = count; + wxASSERT_MSG( m_count == ListView_GetItemCount(GetHwnd()), + wxT("m_count should match ListView_GetItemCount")); } -// List item structure -wxListItem::wxListItem() +void wxListCtrl::RefreshItem(long item) { - m_mask = 0; - m_itemId = 0; - m_col = 0; - m_state = 0; - m_stateMask = 0; - m_image = 0; - m_data = 0; + // 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) +{ + wxRect rect1, rect2; + GetItemRect(itemFrom, rect1); + GetItemRect(itemTo, rect2); - m_format = wxLIST_FORMAT_CENTRE; - m_width = 0; + wxRect rect = rect1; + rect.height = rect2.GetBottom() - rect1.GetTop(); + + RefreshRect(rect); } -static void wxConvertFromMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& lvItem, HWND getFullInfo) +static wxListItemInternalData *wxGetInternalData(HWND hwnd, long itemId) { - info.m_data = lvItem.lParam; + LV_ITEM it; + it.mask = LVIF_PARAM; + it.iItem = itemId; + + bool success = ListView_GetItem(hwnd, &it) != 0; + if (success) + return (wxListItemInternalData *) it.lParam; + else + return NULL; +}; + +static wxListItemInternalData *wxGetInternalData(wxListCtrl *ctl, long itemId) +{ + return wxGetInternalData((HWND) ctl->GetHWND(), itemId); +}; + +static wxListItemAttr *wxGetInternalDataAttr(wxListCtrl *ctl, long itemId) +{ + wxListItemInternalData *data = wxGetInternalData(ctl, itemId); + if (data) + return data->attr; + else + return NULL; +}; + +static void wxDeleteInternalData(wxListCtrl* ctl, long itemId) +{ + 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; + } +} + +static void wxConvertFromMSWListItem(HWND hwndListCtrl, + wxListItem& info, + LV_ITEM& lvItem) +{ + wxListItemInternalData *internaldata = + (wxListItemInternalData *) lvItem.lParam; + + if (internaldata) + info.m_data = internaldata->lParam; + info.m_mask = 0; info.m_state = 0; info.m_stateMask = 0; @@ -1339,7 +2469,7 @@ static void wxConvertFromMSWListItem(const wxListCtrl *ctrl, wxListItem& info, L long oldMask = lvItem.mask; bool needText = FALSE; - if (getFullInfo != 0) + if (hwndListCtrl != 0) { if ( lvItem.mask & LVIF_TEXT ) needText = FALSE; @@ -1348,12 +2478,11 @@ static void wxConvertFromMSWListItem(const wxListCtrl *ctrl, wxListItem& info, L if ( needText ) { - lvItem.pszText = new char[513]; + lvItem.pszText = new wxChar[513]; lvItem.cchTextMax = 512; } - // lvItem.mask |= TVIF_HANDLE | TVIF_STATE | TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_CHILDREN | TVIF_PARAM ; - lvItem.mask |= LVIF_TEXT | LVIF_IMAGE | LVIF_PARAM ; - ::SendMessage(getFullInfo, LVM_GETITEM, 0, (LPARAM)& lvItem) ; + lvItem.mask |= LVIF_TEXT | LVIF_IMAGE | LVIF_PARAM; + ::SendMessage(hwndListCtrl, LVM_GETITEM, 0, (LPARAM)& lvItem); } if ( lvItem.mask & LVIF_STATE ) @@ -1362,27 +2491,27 @@ static void wxConvertFromMSWListItem(const wxListCtrl *ctrl, wxListItem& info, L if ( lvItem.stateMask & LVIS_CUT) { - info.m_stateMask |= wxLIST_STATE_CUT ; + info.m_stateMask |= wxLIST_STATE_CUT; if ( lvItem.state & LVIS_CUT ) - info.m_state |= wxLIST_STATE_CUT ; + info.m_state |= wxLIST_STATE_CUT; } if ( lvItem.stateMask & LVIS_DROPHILITED) { - info.m_stateMask |= wxLIST_STATE_DROPHILITED ; + info.m_stateMask |= wxLIST_STATE_DROPHILITED; if ( lvItem.state & LVIS_DROPHILITED ) - info.m_state |= wxLIST_STATE_DROPHILITED ; + info.m_state |= wxLIST_STATE_DROPHILITED; } if ( lvItem.stateMask & LVIS_FOCUSED) { - info.m_stateMask |= wxLIST_STATE_FOCUSED ; + info.m_stateMask |= wxLIST_STATE_FOCUSED; if ( lvItem.state & LVIS_FOCUSED ) - info.m_state |= wxLIST_STATE_FOCUSED ; + info.m_state |= wxLIST_STATE_FOCUSED; } if ( lvItem.stateMask & LVIS_SELECTED) { - info.m_stateMask |= wxLIST_STATE_SELECTED ; + info.m_stateMask |= wxLIST_STATE_SELECTED; if ( lvItem.state & LVIS_SELECTED ) - info.m_state |= wxLIST_STATE_SELECTED ; + info.m_state |= wxLIST_STATE_SELECTED; } } @@ -1407,15 +2536,44 @@ static void wxConvertFromMSWListItem(const wxListCtrl *ctrl, wxListItem& info, L if (lvItem.pszText) delete[] lvItem.pszText; } - lvItem.mask = oldMask ; + lvItem.mask = oldMask; +} + +static void wxConvertToMSWFlags(long state, long stateMask, LV_ITEM& lvItem) +{ + if (stateMask & wxLIST_STATE_CUT) + { + lvItem.stateMask |= LVIS_CUT; + if (state & wxLIST_STATE_CUT) + lvItem.state |= LVIS_CUT; + } + if (stateMask & wxLIST_STATE_DROPHILITED) + { + lvItem.stateMask |= LVIS_DROPHILITED; + if (state & wxLIST_STATE_DROPHILITED) + lvItem.state |= LVIS_DROPHILITED; + } + if (stateMask & wxLIST_STATE_FOCUSED) + { + lvItem.stateMask |= LVIS_FOCUSED; + if (state & wxLIST_STATE_FOCUSED) + lvItem.state |= LVIS_FOCUSED; + } + if (stateMask & wxLIST_STATE_SELECTED) + { + lvItem.stateMask |= LVIS_SELECTED; + if (state & wxLIST_STATE_SELECTED) + lvItem.state |= LVIS_SELECTED; + } } -static void wxConvertToMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& lvItem) +static void wxConvertToMSWListItem(const wxListCtrl *ctrl, + const wxListItem& info, + LV_ITEM& lvItem) { - lvItem.iItem = (int) info.m_itemId ; + lvItem.iItem = (int) info.m_itemId; - lvItem.iImage = info.m_image ; - lvItem.lParam = info.m_data; + lvItem.iImage = info.m_image; lvItem.stateMask = 0; lvItem.state = 0; lvItem.mask = 0; @@ -1423,43 +2581,22 @@ static void wxConvertToMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ if (info.m_mask & wxLIST_MASK_STATE) { - lvItem.mask |= LVIF_STATE ; - if (info.m_stateMask & wxLIST_STATE_CUT) - { - lvItem.stateMask |= LVIS_CUT ; - if (info.m_state & wxLIST_STATE_CUT) - lvItem.state |= LVIS_CUT; - } - if (info.m_stateMask & wxLIST_STATE_DROPHILITED) - { - lvItem.stateMask |= LVIS_DROPHILITED; - if (info.m_state & wxLIST_STATE_DROPHILITED) - lvItem.state |= LVIS_DROPHILITED; - } - if (info.m_stateMask & wxLIST_STATE_FOCUSED) - { - lvItem.stateMask |= LVIS_FOCUSED; - if (info.m_state & wxLIST_STATE_FOCUSED) - lvItem.state |= LVIS_FOCUSED; - } - if (info.m_stateMask & wxLIST_STATE_SELECTED) - { - lvItem.stateMask |= LVIS_SELECTED; - if (info.m_state & wxLIST_STATE_SELECTED) - lvItem.state |= LVIS_SELECTED; - } + lvItem.mask |= LVIF_STATE; + + wxConvertToMSWFlags(info.m_state, info.m_stateMask, lvItem); } if (info.m_mask & wxLIST_MASK_TEXT) { - lvItem.mask |= LVIF_TEXT ; + lvItem.mask |= LVIF_TEXT; if ( ctrl->GetWindowStyleFlag() & wxLC_USER_TEXT ) { lvItem.pszText = LPSTR_TEXTCALLBACK; } else { - lvItem.pszText = (char *) (const char *)info.m_text ; + // pszText is not const, hence the cast + lvItem.pszText = (wxChar *)info.m_text.c_str(); if ( lvItem.pszText ) lvItem.cchTextMax = info.m_text.Length(); else @@ -1467,22 +2604,55 @@ static void wxConvertToMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ } } if (info.m_mask & wxLIST_MASK_IMAGE) - lvItem.mask |= LVIF_IMAGE ; - if (info.m_mask & wxLIST_MASK_DATA) - lvItem.mask |= LVIF_PARAM ; + lvItem.mask |= LVIF_IMAGE; } -// List event -IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent) - -wxListEvent::wxListEvent(wxEventType commandType, int id) -: wxNotifyEvent(commandType, id) +static void wxConvertToMSWListCol(int WXUNUSED(col), const wxListItem& item, + LV_COLUMN& lvCol) { - m_code = 0; - m_itemIndex = 0; - m_col = 0; - m_cancelled = FALSE; -} + wxZeroMemory(lvCol); + + if ( item.m_mask & wxLIST_MASK_TEXT ) + { + lvCol.mask |= LVCF_TEXT; + lvCol.pszText = (wxChar *)item.m_text.c_str(); // cast is safe + } + + 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; + } + +#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \ + && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 1 ) ) + if ( item.m_mask & wxLIST_MASK_IMAGE ) + { + if ( wxTheApp->GetComCtl32Version() >= 470 ) + { + lvCol.mask |= LVCF_IMAGE; + lvCol.iImage = item.m_image; + } + //else: it doesn't support item images anyhow + } #endif +} +#endif // wxUSE_LISTCTRL