X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2662e49e09dcdddd8c0c571e70893bc702449e93..6726a6b09748c707351987da56226ac0316d1a00:/src/msw/listbox.cpp diff --git a/src/msw/listbox.cpp b/src/msw/listbox.cpp index 34927877b2..c1cd5c2e0d 100644 --- a/src/msw/listbox.cpp +++ b/src/msw/listbox.cpp @@ -1,15 +1,15 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: listbox.cpp +// Name: src/msw/listbox.cpp // Purpose: wxListBox // Author: Julian Smart // Modified by: Vadim Zeitlin (owner drawn stuff) // Created: // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "listbox.h" #endif @@ -20,8 +20,7 @@ #pragma hdrstop #endif -#include "wx/window.h" -#include "wx/msw/private.h" +#if wxUSE_LISTBOX #ifndef WX_PRECOMP #include "wx/listbox.h" @@ -32,13 +31,10 @@ #include "wx/utils.h" #endif -#include +#include "wx/window.h" +#include "wx/msw/private.h" -#ifdef __WXWINE__ - #if defined(GetWindowStyle) - #undef GetWindowStyle - #endif -#endif +#include #include "wx/dynarray.h" #include "wx/log.h" @@ -47,42 +43,77 @@ #include "wx/ownerdrw.h" #endif -#ifndef __TWIN32__ - #if defined(__GNUWIN32__) - #include - #endif +#ifdef __GNUWIN32_OLD__ + #include "wx/msw/gnuwin32/extra.h" #endif -#ifdef __WXWINE__ - #ifndef ListBox_SetItemData - #define ListBox_SetItemData(hwndCtl, index, data) \ - ((int)(DWORD)SendMessage((hwndCtl), LB_SETITEMDATA, (WPARAM)(int)(index), (LPARAM)(data))) - #endif - #ifndef ListBox_GetHorizontalExtent - #define ListBox_GetHorizontalExtent(hwndCtl) \ - ((int)(DWORD)SendMessage((hwndCtl), LB_GETHORIZONTALEXTENT, 0L, 0L)) - #endif - #ifndef ListBox_GetSelCount - #define ListBox_GetSelCount(hwndCtl) \ - ((int)(DWORD)SendMessage((hwndCtl), LB_GETSELCOUNT, 0L, 0L)) - #endif - #ifndef ListBox_GetSelItems - #define ListBox_GetSelItems(hwndCtl, cItems, lpItems) \ - ((int)(DWORD)SendMessage((hwndCtl), LB_GETSELITEMS, (WPARAM)(int)(cItems), (LPARAM)(int *)(lpItems))) - #endif - #ifndef ListBox_GetTextLen - #define ListBox_GetTextLen(hwndCtl, index) \ - ((int)(DWORD)SendMessage((hwndCtl), LB_GETTEXTLEN, (WPARAM)(int)(index), 0L)) - #endif - #ifndef ListBox_GetText - #define ListBox_GetText(hwndCtl, index, lpszBuffer) \ - ((int)(DWORD)SendMessage((hwndCtl), LB_GETTEXT, (WPARAM)(int)(index), (LPARAM)(LPCTSTR)(lpszBuffer))) - #endif +#if wxUSE_EXTENDED_RTTI +WX_DEFINE_FLAGS( wxListBoxStyle ) + +wxBEGIN_FLAGS( wxListBoxStyle ) + // 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(wxLB_SINGLE) + wxFLAGS_MEMBER(wxLB_MULTIPLE) + wxFLAGS_MEMBER(wxLB_EXTENDED) + wxFLAGS_MEMBER(wxLB_HSCROLL) + wxFLAGS_MEMBER(wxLB_ALWAYS_SB) + wxFLAGS_MEMBER(wxLB_NEEDED_SB) + wxFLAGS_MEMBER(wxLB_SORT) + +wxEND_FLAGS( wxListBoxStyle ) + +IMPLEMENT_DYNAMIC_CLASS_XTI(wxListBox, wxControl,"wx/listbox.h") + +wxBEGIN_PROPERTIES_TABLE(wxListBox) + wxEVENT_PROPERTY( Select , wxEVT_COMMAND_LISTBOX_SELECTED , wxCommandEvent ) + wxEVENT_PROPERTY( DoubleClick , wxEVT_COMMAND_LISTBOX_DOUBLECLICKED , wxCommandEvent ) + + wxPROPERTY( Font , wxFont , SetFont , GetFont , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) + wxPROPERTY_COLLECTION( Choices , wxArrayString , wxString , AppendString , GetStrings, 0 /*flags*/ , wxT("Helpstring") , wxT("group") ) + wxPROPERTY( Selection ,int, SetSelection, GetSelection, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") ) + wxPROPERTY_FLAGS( WindowStyle , wxListBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style +wxEND_PROPERTIES_TABLE() + +wxBEGIN_HANDLERS_TABLE(wxListBox) +wxEND_HANDLERS_TABLE() + +wxCONSTRUCTOR_4( wxListBox , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size ) +#else +IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl) #endif -#if !USE_SHARED_LIBRARY - IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl) -#endif +/* +TODO PROPERTIES + selection + content + item +*/ // ============================================================================ // list box item declaration and implementation @@ -93,7 +124,7 @@ class wxListBoxItem : public wxOwnerDrawn { public: - wxListBoxItem(const wxString& str = ""); + wxListBoxItem(const wxString& str = wxEmptyString); }; wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE) @@ -102,7 +133,7 @@ wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE) SetMarginWidth(0); } -wxOwnerDrawn *wxListBox::CreateItem(size_t n) +wxOwnerDrawn *wxListBox::CreateLboxItem(size_t WXUNUSED(n)) { return new wxListBoxItem(); } @@ -113,51 +144,11 @@ wxOwnerDrawn *wxListBox::CreateItem(size_t n) // list box control implementation // ============================================================================ -bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) -{ - /* - if (param == LBN_SELCANCEL) - { - event.extraLong = FALSE; - } - */ - if (param == LBN_SELCHANGE) - { - wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, m_windowId); - wxArrayInt aSelections; - int count = GetSelections(aSelections); - if ( count > 0 ) - { - event.m_commandInt = aSelections[0] ; - event.m_clientData = GetClientData(event.m_commandInt); - wxString str(GetString(event.m_commandInt)); - if (str != _T("")) - { - event.m_commandString = str; - } - } - else - { - event.m_commandInt = -1 ; - event.m_commandString.Empty(); - } +// ---------------------------------------------------------------------------- +// creation +// ---------------------------------------------------------------------------- - event.SetEventObject( this ); - ProcessCommand(event); - return TRUE; - } - else if (param == LBN_DBLCLK) - { - wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, m_windowId); - event.SetEventObject( this ); - GetEventHandler()->ProcessEvent(event) ; - return TRUE; - } - - return FALSE; -} - - // Listbox item +// Listbox item wxListBox::wxListBox() { m_noItems = 0; @@ -174,290 +165,289 @@ bool wxListBox::Create(wxWindow *parent, const wxString& name) { m_noItems = 0; - m_hWnd = 0; m_selected = 0; - SetName(name); - SetValidator(validator); - - if (parent) - parent->AddChild(this); - - wxSystemSettings settings; - SetBackgroundColour(settings.GetSystemColour(wxSYS_COLOUR_WINDOW)); - SetForegroundColour(parent->GetForegroundColour()); + // initialize base class fields + if ( !CreateControl(parent, id, pos, size, style, validator, name) ) + return false; - m_windowId = ( id == -1 ) ? (int)NewControlId() : id; - - int x = pos.x; - int y = pos.y; - int width = size.x; - int height = size.y; - m_windowStyle = style; - - DWORD wstyle = WS_VISIBLE | WS_VSCROLL | WS_TABSTOP | - LBS_NOTIFY | LBS_HASSTRINGS; - if (m_windowStyle & wxLB_MULTIPLE) - wstyle |= LBS_MULTIPLESEL; - else if (m_windowStyle & wxLB_EXTENDED) - wstyle |= LBS_EXTENDEDSEL; - - if (m_windowStyle & wxLB_ALWAYS_SB) - wstyle |= LBS_DISABLENOSCROLL ; - if (m_windowStyle & wxLB_HSCROLL) - wstyle |= WS_HSCROLL; - if (m_windowStyle & wxLB_SORT) - wstyle |= LBS_SORT; - -#if wxUSE_OWNER_DRAWN - if ( m_windowStyle & wxLB_OWNERDRAW ) { - // we don't support LBS_OWNERDRAWVARIABLE yet - wstyle |= LBS_OWNERDRAWFIXED; + // create the native control + if ( !MSWCreateControl(_T("LISTBOX"), wxEmptyString, pos, size) ) + { + // control creation failed + return false; } -#endif - // Without this style, you get unexpected heights, so e.g. constraint layout - // doesn't work properly - wstyle |= LBS_NOINTEGRALHEIGHT; - - bool want3D; - WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ; - - // Even with extended styles, need to combine with WS_BORDER - // for them to look right. - if ( want3D || wxStyleHasBorder(m_windowStyle) ) + // initialize the contents + for ( int i = 0; i < n; i++ ) { - wstyle |= WS_BORDER; + Append(choices[i]); } - m_hWnd = (WXHWND)::CreateWindowEx(exStyle, _T("LISTBOX"), NULL, - wstyle | WS_CHILD, - 0, 0, 0, 0, - (HWND)parent->GetHWND(), (HMENU)m_windowId, - wxGetInstance(), NULL); + // now we can compute our best size correctly, so do it if necessary + SetBestSize(size); - wxCHECK_MSG( m_hWnd, FALSE, _T("Failed to create listbox") ); + return true; +} -#if wxUSE_CTL3D - if (want3D) - { - Ctl3dSubclassCtl(GetHwnd()); - m_useCtl3D = TRUE; - } -#endif +bool wxListBox::Create(wxWindow *parent, + wxWindowID id, + const wxPoint& pos, + const wxSize& size, + const wxArrayString& choices, + long style, + const wxValidator& validator, + const wxString& name) +{ + wxCArrayString chs(choices); + return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(), + style, validator, name); +} + +wxListBox::~wxListBox() +{ + Free(); +} - // Subclass again to catch messages - SubclassWin(m_hWnd); +WXDWORD wxListBox::MSWGetStyle(long style, WXDWORD *exstyle) const +{ + WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle); - size_t ui; - for (ui = 0; ui < (size_t)n; ui++) { - Append(choices[ui]); - } + // always show the vertical scrollbar if necessary -- otherwise it is + // impossible to use the control with the mouse + msStyle |= WS_VSCROLL; - if ( (m_windowStyle & wxLB_MULTIPLE) == 0 ) - SendMessage(GetHwnd(), LB_SETCURSEL, 0, 0); + // we always want to get the notifications + msStyle |= LBS_NOTIFY; - SetFont(parent->GetFont()); + // without this style, you get unexpected heights, so e.g. constraint + // layout doesn't work properly + msStyle |= LBS_NOINTEGRALHEIGHT; - SetSize(x, y, width, height); + wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED), + _T("only one of listbox selection modes can be specified") ); - Show(TRUE); + if ( style & wxLB_MULTIPLE ) + msStyle |= LBS_MULTIPLESEL; + else if ( style & wxLB_EXTENDED ) + msStyle |= LBS_EXTENDEDSEL; - return TRUE; -} + if ( m_windowStyle & wxLB_ALWAYS_SB ) + msStyle |= LBS_DISABLENOSCROLL; + if ( m_windowStyle & wxLB_HSCROLL ) + msStyle |= WS_HSCROLL; + if ( m_windowStyle & wxLB_SORT ) + msStyle |= LBS_SORT; -wxListBox::~wxListBox() -{ -#if wxUSE_OWNER_DRAWN - size_t uiCount = m_aItems.Count(); - while ( uiCount-- != 0 ) { - delete m_aItems[uiCount]; +#if wxUSE_OWNER_DRAWN && !defined(__WXWINCE__) + if ( m_windowStyle & wxLB_OWNERDRAW ) + { + // we don't support LBS_OWNERDRAWVARIABLE yet and we also always put + // the strings in the listbox for simplicity even though we could have + // avoided it in this case + msStyle |= LBS_OWNERDRAWFIXED | LBS_HASSTRINGS; } #endif // wxUSE_OWNER_DRAWN -} -void wxListBox::SetupColours() -{ - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); - SetForegroundColour(GetParent()->GetForegroundColour()); + return msStyle; } -void wxListBox::SetFirstItem(int N) -{ - wxCHECK_RET( N >= 0 && N < m_noItems, - _T("invalid index in wxListBox::SetFirstItem") ); +// ---------------------------------------------------------------------------- +// implementation of wxListBoxBase methods +// ---------------------------------------------------------------------------- - SendMessage(GetHwnd(),LB_SETTOPINDEX,(WPARAM)N,(LPARAM)0) ; -} - -void wxListBox::SetFirstItem(const wxString& s) +void wxListBox::DoSetFirstItem(int N) { - int N = FindString(s) ; + wxCHECK_RET( N >= 0 && N < m_noItems, + wxT("invalid index in wxListBox::SetFirstItem") ); - if ( N >= 0 ) - SetFirstItem(N) ; + SendMessage(GetHwnd(), LB_SETTOPINDEX, (WPARAM)N, (LPARAM)0); } void wxListBox::Delete(int N) { wxCHECK_RET( N >= 0 && N < m_noItems, - _T("invalid index in wxListBox::Delete") ); + wxT("invalid index in wxListBox::Delete") ); + + // for owner drawn objects, the data is used for storing wxOwnerDrawn + // pointers and we shouldn't touch it +#if !wxUSE_OWNER_DRAWN + if ( !(m_windowStyle & wxLB_OWNERDRAW) ) +#endif // !wxUSE_OWNER_DRAWN + if ( HasClientObjectData() ) + { + delete GetClientObject(N); + } SendMessage(GetHwnd(), LB_DELETESTRING, N, 0); m_noItems--; - SetHorizontalExtent(""); + SetHorizontalExtent(wxEmptyString); } -void wxListBox::Append(const wxString& item) +int wxListBox::DoAppend(const wxString& item) { + InvalidateBestSize(); + int index = ListBox_AddString(GetHwnd(), item); - m_noItems ++; + m_noItems++; #if wxUSE_OWNER_DRAWN if ( m_windowStyle & wxLB_OWNERDRAW ) { - wxOwnerDrawn *pNewItem = CreateItem(index); // dummy argument + wxOwnerDrawn *pNewItem = CreateLboxItem(index); // dummy argument pNewItem->SetName(item); - m_aItems.Add(pNewItem); + m_aItems.Insert(pNewItem, index); ListBox_SetItemData(GetHwnd(), index, pNewItem); + pNewItem->SetFont(GetFont()); } -#endif +#endif // wxUSE_OWNER_DRAWN SetHorizontalExtent(item); + + return index; } -void wxListBox::Append(const wxString& item, void *Client_data) +void wxListBox::DoSetItems(const wxArrayString& choices, void** clientData) { - int index = ListBox_AddString(GetHwnd(), item); - m_noItems ++; - -#if wxUSE_OWNER_DRAWN - if ( m_windowStyle & wxLB_OWNERDRAW ) { - // client data must be pointer to wxOwnerDrawn, otherwise we would crash - // in OnMeasure/OnDraw. - wxFAIL_MSG(_T("Can't use client data with owner-drawn listboxes")); + // avoid flicker - but don't need to do this for a hidden listbox + bool hideAndShow = IsShown(); + if ( hideAndShow ) + { + ShowWindow(GetHwnd(), SW_HIDE); } - else -#endif - - ListBox_SetItemData(GetHwnd(), index, Client_data); - - SetHorizontalExtent(item); -} -void wxListBox::Set(int n, const wxString *choices, void** clientData) -{ - ShowWindow(GetHwnd(), SW_HIDE); ListBox_ResetContent(GetHwnd()); + + m_noItems = choices.GetCount(); int i; - for (i = 0; i < n; i++) + for (i = 0; i < m_noItems; i++) { ListBox_AddString(GetHwnd(), choices[i]); if ( clientData ) - ListBox_SetItemData(GetHwnd(), i, clientData[i]); + { + SetClientData(i, clientData[i]); + } } - m_noItems = n; #if wxUSE_OWNER_DRAWN if ( m_windowStyle & wxLB_OWNERDRAW ) { // first delete old items - size_t ui = m_aItems.Count(); - while ( ui-- != 0 ) { - delete m_aItems[ui]; - } - m_aItems.Empty(); + WX_CLEAR_ARRAY(m_aItems); // then create new ones - for (ui = 0; ui < (size_t)n; ui++) { - wxOwnerDrawn *pNewItem = CreateItem(ui); + for ( size_t ui = 0; ui < (size_t)m_noItems; ui++ ) { + wxOwnerDrawn *pNewItem = CreateLboxItem(ui); pNewItem->SetName(choices[ui]); m_aItems.Add(pNewItem); ListBox_SetItemData(GetHwnd(), ui, pNewItem); - - wxASSERT_MSG(clientData[ui] == NULL, - _T("Can't use client data with owner-drawn listboxes")); } } -#endif +#endif // wxUSE_OWNER_DRAWN - SetHorizontalExtent(""); - ShowWindow(GetHwnd(), SW_SHOW); + SetHorizontalExtent(); + + if ( hideAndShow ) + { + // show the listbox back if we hid it + ShowWindow(GetHwnd(), SW_SHOW); + } } int wxListBox::FindString(const wxString& s) const { int pos = ListBox_FindStringExact(GetHwnd(), (WPARAM)-1, s); if (pos == LB_ERR) - return -1; + return wxNOT_FOUND; else return pos; } void wxListBox::Clear() { + Free(); + ListBox_ResetContent(GetHwnd()); + m_noItems = 0; + SetHorizontalExtent(); +} + +void wxListBox::Free() +{ #if wxUSE_OWNER_DRAWN - size_t uiCount = m_aItems.Count(); - while ( uiCount-- != 0 ) { - delete m_aItems[uiCount]; + if ( m_windowStyle & wxLB_OWNERDRAW ) + { + WX_CLEAR_ARRAY(m_aItems); } - - m_aItems.Clear(); + else #endif // wxUSE_OWNER_DRAWN - - m_noItems = 0; - ListBox_GetHorizontalExtent(GetHwnd()); + if ( HasClientObjectData() ) + { + for ( size_t n = 0; n < (size_t)m_noItems; n++ ) + { + delete GetClientObject(n); + } + } } void wxListBox::SetSelection(int N, bool select) { - wxCHECK_RET( N >= 0 && N < m_noItems, - _T("invalid index in wxListBox::SetSelection") ); + wxCHECK_RET( N == wxNOT_FOUND || + (N >= 0 && N < m_noItems), + wxT("invalid index in wxListBox::SetSelection") ); - if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED)) + if ( HasMultipleSelection() ) + { SendMessage(GetHwnd(), LB_SETSEL, select, N); + } else { - int N1 = N; - if (!select) - N1 = -1; - SendMessage(GetHwnd(), LB_SETCURSEL, N1, 0); + SendMessage(GetHwnd(), LB_SETCURSEL, select ? N : -1, 0); } } -bool wxListBox::Selected(int N) const +bool wxListBox::IsSelected(int N) const { wxCHECK_MSG( N >= 0 && N < m_noItems, FALSE, - _T("invalid index in wxListBox::Selected") ); + wxT("invalid index in wxListBox::Selected") ); return SendMessage(GetHwnd(), LB_GETSEL, N, 0) == 0 ? FALSE : TRUE; } -void wxListBox::Deselect(int N) +wxClientData* wxListBox::DoGetItemClientObject(int n) const { - wxCHECK_RET( N >= 0 && N < m_noItems, - _T("invalid index in wxListBox::Deselect") ); - - if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED)) - SendMessage(GetHwnd(), LB_SETSEL, FALSE, N); + return (wxClientData *)DoGetItemClientData(n); } -void *wxListBox::GetClientData(int N) const +void *wxListBox::DoGetItemClientData(int n) const { - wxCHECK_MSG( N >= 0 && N < m_noItems, NULL, - _T("invalid index in wxListBox::GetClientData") ); + wxCHECK_MSG( n >= 0 && n < m_noItems, NULL, + wxT("invalid index in wxListBox::GetClientData") ); - return (void *)SendMessage(GetHwnd(), LB_GETITEMDATA, N, 0); + return (void *)SendMessage(GetHwnd(), LB_GETITEMDATA, n, 0); } -void wxListBox::SetClientData(int N, void *Client_data) +void wxListBox::DoSetItemClientObject(int n, wxClientData* clientData) { - wxCHECK_RET( N >= 0 && N < m_noItems, - _T("invalid index in wxListBox::SetClientData") ); + DoSetItemClientData(n, clientData); +} + +void wxListBox::DoSetItemClientData(int n, void *clientData) +{ + wxCHECK_RET( n >= 0 && n < m_noItems, + wxT("invalid index in wxListBox::SetClientData") ); + +#if wxUSE_OWNER_DRAWN + if ( m_windowStyle & wxLB_OWNERDRAW ) + { + // client data must be pointer to wxOwnerDrawn, otherwise we would crash + // in OnMeasure/OnDraw. + wxFAIL_MSG(wxT("Can't use client data with owner-drawn listboxes")); + } +#endif // wxUSE_OWNER_DRAWN - if ( ListBox_SetItemData(GetHwnd(), N, Client_data) == LB_ERR ) - wxLogDebug(_T("LB_SETITEMDATA failed")); + if ( ListBox_SetItemData(GetHwnd(), n, clientData) == LB_ERR ) + wxLogDebug(wxT("LB_SETITEMDATA failed")); } // Return number of selections and an array of selected integers @@ -465,40 +455,50 @@ int wxListBox::GetSelections(wxArrayInt& aSelections) const { aSelections.Empty(); - if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED)) + if ( HasMultipleSelection() ) { - int no_sel = ListBox_GetSelCount(GetHwnd()); - if (no_sel != 0) { - int *selections = new int[no_sel]; - if ( ListBox_GetSelItems(GetHwnd(), no_sel, selections) == LB_ERR ) { - wxFAIL_MSG(_T("This listbox can't have single-selection style!")); - } + int countSel = ListBox_GetSelCount(GetHwnd()); + if ( countSel == LB_ERR ) + { + wxLogDebug(_T("ListBox_GetSelCount failed")); + } + else if ( countSel != 0 ) + { + int *selections = new int[countSel]; - aSelections.Alloc(no_sel); - for ( int n = 0; n < no_sel; n++ ) - aSelections.Add(selections[n]); + if ( ListBox_GetSelItems(GetHwnd(), + countSel, selections) == LB_ERR ) + { + wxLogDebug(wxT("ListBox_GetSelItems failed")); + countSel = -1; + } + else + { + aSelections.Alloc(countSel); + for ( int n = 0; n < countSel; n++ ) + aSelections.Add(selections[n]); + } delete [] selections; } - return no_sel; + return countSel; } else // single-selection listbox { - aSelections.Add(ListBox_GetCurSel(GetHwnd())); + if (ListBox_GetCurSel(GetHwnd()) > -1) + aSelections.Add(ListBox_GetCurSel(GetHwnd())); - return 1; + return aSelections.Count(); } } // Get single selection, for single choice list items int wxListBox::GetSelection() const { - wxCHECK_MSG( !(m_windowStyle & wxLB_MULTIPLE) && - !(m_windowStyle & wxLB_EXTENDED), + wxCHECK_MSG( !HasMultipleSelection(), -1, - _T("GetSelection() can't be used with multiple-selection " - "listboxes, use GetSelections() instead.") ); + wxT("GetSelection() can't be used with multiple-selection listboxes, use GetSelections() instead.") ); return ListBox_GetCurSel(GetHwnd()); } @@ -506,19 +506,106 @@ int wxListBox::GetSelection() const // Find string for position wxString wxListBox::GetString(int N) const { - wxCHECK_MSG( N >= 0 && N < m_noItems, "", - _T("invalid index in wxListBox::GetClientData") ); + wxCHECK_MSG( N >= 0 && N < m_noItems, wxEmptyString, + wxT("invalid index in wxListBox::GetClientData") ); int len = ListBox_GetTextLen(GetHwnd(), N); // +1 for terminating NUL wxString result; - ListBox_GetText(GetHwnd(), N, result.GetWriteBuf(len + 1)); - result.UngetWriteBuf(); + ListBox_GetText(GetHwnd(), N, wxStringBuffer(result, len + 1)); return result; } +void +wxListBox::DoInsertItems(const wxArrayString& items, int pos) +{ + wxCHECK_RET( pos >= 0 && pos <= m_noItems, + wxT("invalid index in wxListBox::InsertItems") ); + + InvalidateBestSize(); + + int nItems = items.GetCount(); + for ( int i = 0; i < nItems; i++ ) + { + int idx = ListBox_InsertString(GetHwnd(), i + pos, items[i]); + +#if wxUSE_OWNER_DRAWN + if ( m_windowStyle & wxLB_OWNERDRAW ) + { + wxOwnerDrawn *pNewItem = CreateLboxItem(idx); + pNewItem->SetName(items[i]); + pNewItem->SetFont(GetFont()); + m_aItems.Insert(pNewItem, idx); + + ListBox_SetItemData(GetHwnd(), idx, pNewItem); + } +#else + wxUnusedVar(idx); +#endif // wxUSE_OWNER_DRAWN + } + + m_noItems += nItems; + + SetHorizontalExtent(); +} + +void wxListBox::SetString(int N, const wxString& s) +{ + wxCHECK_RET( N >= 0 && N < m_noItems, + wxT("invalid index in wxListBox::SetString") ); + + // remember the state of the item + bool wasSelected = IsSelected(N); + + void *oldData = NULL; + wxClientData *oldObjData = NULL; + if ( m_clientDataItemsType == wxClientData_Void ) + oldData = GetClientData(N); + else if ( m_clientDataItemsType == wxClientData_Object ) + oldObjData = GetClientObject(N); + + // delete and recreate it + SendMessage(GetHwnd(), LB_DELETESTRING, N, 0); + + int newN = N; + if ( N == m_noItems - 1 ) + newN = -1; + + ListBox_InsertString(GetHwnd(), newN, s); + + // restore the client data + if ( oldData ) + SetClientData(N, oldData); + else if ( oldObjData ) + SetClientObject(N, oldObjData); + +#if wxUSE_OWNER_DRAWN + if ( m_windowStyle & wxLB_OWNERDRAW ) + { + // update item's text + m_aItems[N]->SetName(s); + + // reassign the item's data + ListBox_SetItemData(GetHwnd(), N, m_aItems[N]); + } +#endif //USE_OWNER_DRAWN + + // we may have lost the selection + if ( wasSelected ) + Select(N); +} + +int wxListBox::GetCount() const +{ + return m_noItems; +} + +// ---------------------------------------------------------------------------- +// helpers +// ---------------------------------------------------------------------------- + // Windows-specific code to set the horizontal extent of the listbox, if // necessary. If s is non-NULL, it's used to calculate the horizontal extent. // Otherwise, all strings are used. @@ -529,7 +616,7 @@ void wxListBox::SetHorizontalExtent(const wxString& s) return; TEXTMETRIC lpTextMetric; - if (s != _T("")) + if ( !s.IsEmpty() ) { int existingExtent = (int)SendMessage(GetHwnd(), LB_GETHORIZONTALEXTENT, 0, 0L); HDC dc = GetWindowDC(GetHwnd()); @@ -548,7 +635,6 @@ void wxListBox::SetHorizontalExtent(const wxString& s) ReleaseDC(GetHwnd(), dc); if (extentX > existingExtent) SendMessage(GetHwnd(), LB_SETHORIZONTALEXTENT, LOWORD(extentX), 0L); - return; } else { @@ -559,13 +645,15 @@ void wxListBox::SetHorizontalExtent(const wxString& s) oldFont = (HFONT) ::SelectObject(dc, (HFONT) GetFont().GetResourceHandle()); GetTextMetrics(dc, &lpTextMetric); - int i; - for (i = 0; i < m_noItems; i++) + + // FIXME: buffer overflow!! + wxChar buf[1024]; + for (int i = 0; i < m_noItems; i++) { - int len = (int)SendMessage(GetHwnd(), LB_GETTEXT, i, (LONG)wxBuffer); - wxBuffer[len] = 0; + int len = (int)SendMessage(GetHwnd(), LB_GETTEXT, i, (LPARAM)buf); + buf[len] = 0; SIZE extentXY; - ::GetTextExtentPoint(dc, (LPTSTR)wxBuffer, len, &extentXY); + ::GetTextExtentPoint(dc, buf, len, &extentXY); int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth); if (extentX > largestExtent) largestExtent = extentX; @@ -578,80 +666,7 @@ void wxListBox::SetHorizontalExtent(const wxString& s) } } -void -wxListBox::InsertItems(int nItems, const wxString items[], int pos) -{ - wxCHECK_RET( pos >= 0 && pos <= m_noItems, - _T("invalid index in wxListBox::InsertItems") ); - - int i; - for (i = 0; i < nItems; i++) - ListBox_InsertString(GetHwnd(), i + pos, items[i]); - m_noItems += nItems; - - SetHorizontalExtent(_T("")); -} - -void wxListBox::SetString(int N, const wxString& s) -{ - wxCHECK_RET( N >= 0 && N < m_noItems, - _T("invalid index in wxListBox::SetString") ); - - int sel = -1; - if (!(m_windowStyle & wxLB_MULTIPLE) && !(m_windowStyle & wxLB_EXTENDED)) - sel = GetSelection(); - - void *oldData = wxListBox::GetClientData(N); - - SendMessage(GetHwnd(), LB_DELETESTRING, N, 0); - - int newN = N; - if (N == (m_noItems - 1)) - newN = -1; - - SendMessage(GetHwnd(), LB_INSERTSTRING, newN, (LPARAM) (const wxChar *)s); - if (oldData) - wxListBox::SetClientData(N, oldData); - - // Selection may have changed - if (sel >= 0) - SetSelection(sel); - -#if wxUSE_OWNER_DRAWN - if ( m_windowStyle & wxLB_OWNERDRAW ) - // update item's text - m_aItems[N]->SetName(s); -#endif //USE_OWNER_DRAWN -} - -int wxListBox::Number () const -{ - return m_noItems; -} - -// For single selection items only -wxString wxListBox::GetStringSelection () const -{ - int sel = GetSelection (); - if (sel > -1) - return this->GetString (sel); - else - return wxString(""); -} - -bool wxListBox::SetStringSelection (const wxString& s, bool flag) -{ - int sel = FindString (s); - if (sel > -1) - { - SetSelection (sel, flag); - return TRUE; - } - else - return FALSE; -} - -wxSize wxListBox::DoGetBestSize() +wxSize wxListBox::DoGetBestSize() const { // find the widest string int wLine; @@ -671,65 +686,64 @@ wxSize wxListBox::DoGetBestSize() // the listbox should be slightly larger than the widest string int cx, cy; - wxGetCharSize(GetHWND(), &cx, &cy, &GetFont()); + wxGetCharSize(GetHWND(), &cx, &cy, GetFont()); wListbox += 3*cx; - int hListbox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)*(wxMax(m_noItems, 7)); + // don't make the listbox too tall (limit height to 10 items) but don't + // make it too small neither + int hListbox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)* + wxMin(wxMax(m_noItems, 3), 10); return wxSize(wListbox, hListbox); } -// Is this the right thing? Won't setselection generate a command -// event too? No! It'll just generate a setselection event. -// But we still can't have this being called whenever a real command -// is generated, because it sets the selection, which will already -// have been done! (Unless we have an optional argument for calling -// by the actual window system, or a separate function, ProcessCommand) -void wxListBox::Command (wxCommandEvent & event) +// ---------------------------------------------------------------------------- +// callbacks +// ---------------------------------------------------------------------------- + +bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) { - if (event.m_extraLong) - SetSelection (event.m_commandInt); - else + wxEventType evtType; + if ( param == LBN_SELCHANGE ) { - Deselect (event.m_commandInt); - return; + evtType = wxEVT_COMMAND_LISTBOX_SELECTED; } - ProcessCommand (event); -} - -WXHBRUSH wxListBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor, - WXUINT message, WXWPARAM wParam, WXLPARAM lParam) -{ -#if wxUSE_CTL3D - if ( m_useCtl3D ) + else if ( param == LBN_DBLCLK ) { - HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam); - return (WXHBRUSH) hbrush; + evtType = wxEVT_COMMAND_LISTBOX_DOUBLECLICKED; } -#endif - - if (GetParent()->GetTransparentBackground()) - SetBkMode((HDC) pDC, TRANSPARENT); else - SetBkMode((HDC) pDC, OPAQUE); + { + // some event we're not interested in + return FALSE; + } - ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue())); - ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue())); + wxCommandEvent event(evtType, m_windowId); + event.SetEventObject( this ); - wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID); + // retrieve the affected item + int n = SendMessage(GetHwnd(), LB_GETCARETINDEX, 0, 0); + if ( n != LB_ERR ) + { + if ( HasClientObjectData() ) + event.SetClientObject( GetClientObject(n) ); + else if ( HasClientUntypedData() ) + event.SetClientData( GetClientData(n) ); - // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush - // has a zero usage count. - backgroundBrush->RealizeResource(); - return (WXHBRUSH) backgroundBrush->GetResourceHandle(); -} + event.SetString( GetString(n) ); + event.SetExtraLong( HasMultipleSelection() ? IsSelected(n) : TRUE ); + } -long wxListBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) -{ - return wxControl::MSWWindowProc(nMsg, wParam, lParam); + event.m_commandInt = n; + + return GetEventHandler()->ProcessEvent(event); } +// ---------------------------------------------------------------------------- +// wxCheckListBox support +// ---------------------------------------------------------------------------- + #if wxUSE_OWNER_DRAWN // drawing @@ -751,13 +765,23 @@ bool wxListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item) MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item; +#ifdef __WXWINCE__ + HDC hdc = GetDC(NULL); +#else + HDC hdc = CreateIC(wxT("DISPLAY"), NULL, NULL, 0); +#endif + wxDC dc; - dc.SetHDC((WXHDC)CreateIC(_T("DISPLAY"), NULL, NULL, 0)); - dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_ANSI_VAR_FONT)); + dc.SetHDC((WXHDC)hdc); + dc.SetFont(GetFont()); pStruct->itemHeight = dc.GetCharHeight() + 2*OWNER_DRAWN_LISTBOX_EXTRA_SPACE; pStruct->itemWidth = dc.GetCharWidth(); + dc.SetHDC(0); + + DeleteDC(hdc); + return TRUE; } @@ -768,6 +792,11 @@ bool wxListBox::MSWOnDraw(WXDRAWITEMSTRUCT *item) wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE ); DRAWITEMSTRUCT *pStruct = (DRAWITEMSTRUCT *)item; + UINT itemID = pStruct->itemID; + + // the item may be -1 for an empty listbox + if ( itemID == (UINT)-1 ) + return FALSE; long data = ListBox_GetItemData(GetHwnd(), pStruct->itemID); @@ -775,15 +804,15 @@ bool wxListBox::MSWOnDraw(WXDRAWITEMSTRUCT *item) wxListBoxItem *pItem = (wxListBoxItem *)data; - wxDC dc; - dc.SetHDC((WXHDC)pStruct->hDC, FALSE); + wxDCTemp dc((WXHDC)pStruct->hDC); wxRect rect(wxPoint(pStruct->rcItem.left, pStruct->rcItem.top), - wxPoint(pStruct->rcItem.right, pStruct->rcItem.bottom)); + wxPoint(pStruct->rcItem.right, pStruct->rcItem.bottom)); return pItem->OnDrawItem(dc, rect, - (wxOwnerDrawn::wxODAction)pStruct->itemAction, - (wxOwnerDrawn::wxODStatus)pStruct->itemState); + (wxOwnerDrawn::wxODAction)pStruct->itemAction, + (wxOwnerDrawn::wxODStatus)pStruct->itemState); } -#endif - // wxUSE_OWNER_DRAWN +#endif // wxUSE_OWNER_DRAWN + +#endif // wxUSE_LISTBOX