X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4676948b6814c97b93c431a8cbcd8c0352c87ba9..503602dfe7fd468159d8d563657ad10c0bf6601f:/src/msw/listbox.cpp?ds=sidebyside diff --git a/src/msw/listbox.cpp b/src/msw/listbox.cpp index c84ead3a3b..1b5d0e4819 100644 --- a/src/msw/listbox.cpp +++ b/src/msw/listbox.cpp @@ -9,7 +9,7 @@ // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "listbox.h" #endif @@ -47,7 +47,73 @@ #include "wx/msw/gnuwin32/extra.h" #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 + +/* +TODO PROPERTIES + selection + content + item +*/ // ============================================================================ // list box item declaration and implementation @@ -61,7 +127,7 @@ public: wxListBoxItem(const wxString& str = wxEmptyString); }; -wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE) +wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, false) { // no bitmaps/checkmarks SetMarginWidth(0); @@ -99,101 +165,91 @@ bool wxListBox::Create(wxWindow *parent, const wxString& name) { m_noItems = 0; - m_hWnd = 0; m_selected = 0; - SetName(name); -#if wxUSE_VALIDATORS - SetValidator(validator); -#endif // wxUSE_VALIDATORS - - if (parent) - parent->AddChild(this); + // initialize base class fields + if ( !CreateControl(parent, id, pos, size, style, validator, name) ) + return false; - SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); - SetForegroundColour(parent->GetForegroundColour()); - - 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; + // create the native control + if ( !MSWCreateControl(_T("LISTBOX"), wxEmptyString, pos, size) ) + { + // control creation failed + return false; + } - DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_VSCROLL | WS_TABSTOP | - LBS_NOTIFY | LBS_HASSTRINGS ; + // initialize the contents + for ( int i = 0; i < n; i++ ) + { + Append(choices[i]); + } - wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED), - _T("only one of listbox selection modes can be specified") ); + // now we can compute our best size correctly, so do it if necessary + SetBestSize(size); - if ( (m_windowStyle & wxBORDER_MASK) == wxBORDER_DEFAULT ) - m_windowStyle |= wxBORDER_SUNKEN; + return true; +} - if ( m_windowStyle & wxCLIP_SIBLINGS ) - wstyle |= WS_CLIPSIBLINGS; +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); +} - if (m_windowStyle & wxLB_MULTIPLE) - wstyle |= LBS_MULTIPLESEL; - else if (m_windowStyle & wxLB_EXTENDED) - wstyle |= LBS_EXTENDEDSEL; +wxListBox::~wxListBox() +{ + Free(); +} - 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; +WXDWORD wxListBox::MSWGetStyle(long style, WXDWORD *exstyle) const +{ + WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle); -#if wxUSE_OWNER_DRAWN && !defined(__WXWINCE__) - if ( m_windowStyle & wxLB_OWNERDRAW ) { - // we don't support LBS_OWNERDRAWVARIABLE yet - wstyle |= LBS_OWNERDRAWFIXED; - } -#endif + // always show the vertical scrollbar if necessary -- otherwise it is + // impossible to use the control with the mouse + msStyle |= WS_VSCROLL; - // Without this style, you get unexpected heights, so e.g. constraint layout - // doesn't work properly - wstyle |= LBS_NOINTEGRALHEIGHT; + // we always want to get the notifications + msStyle |= LBS_NOTIFY; - WXDWORD exStyle = 0; - (void) MSWGetStyle(m_windowStyle, & exStyle) ; + // without this style, you get unexpected heights, so e.g. constraint + // layout doesn't work properly + msStyle |= LBS_NOINTEGRALHEIGHT; - m_hWnd = (WXHWND)::CreateWindowEx(exStyle, wxT("LISTBOX"), NULL, - wstyle , - 0, 0, 0, 0, - (HWND)parent->GetHWND(), (HMENU)m_windowId, - wxGetInstance(), NULL); + wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED), + _T("only one of listbox selection modes can be specified") ); - wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create listbox") ); + if ( style & wxLB_MULTIPLE ) + msStyle |= LBS_MULTIPLESEL; + else if ( style & wxLB_EXTENDED ) + msStyle |= LBS_EXTENDEDSEL; - // Subclass again to catch messages - SubclassWin(m_hWnd); + 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; - size_t ui; - for (ui = 0; ui < (size_t)n; ui++) { - Append(choices[ui]); +#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 - if ( (m_windowStyle & wxLB_MULTIPLE) == 0 ) - SendMessage(GetHwnd(), LB_SETCURSEL, 0, 0); - - SetFont(parent->GetFont()); - - SetSize(x, y, width, height); - - return TRUE; -} - -wxListBox::~wxListBox() -{ - Free(); -} - -void wxListBox::SetupColours() -{ - SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); - SetForegroundColour(GetParent()->GetForegroundColour()); + return msStyle; } // ---------------------------------------------------------------------------- @@ -231,6 +287,8 @@ void wxListBox::Delete(int N) int wxListBox::DoAppend(const wxString& item) { + InvalidateBestSize(); + int index = ListBox_AddString(GetHwnd(), item); m_noItems++; @@ -332,9 +390,10 @@ void wxListBox::Free() } } -void wxListBox::SetSelection(int N, bool select) +void wxListBox::DoSetSelection(int N, bool select) { - wxCHECK_RET( N >= 0 && N < m_noItems, + wxCHECK_RET( N == wxNOT_FOUND || + (N >= 0 && N < m_noItems), wxT("invalid index in wxListBox::SetSelection") ); if ( HasMultipleSelection() ) @@ -349,10 +408,10 @@ void wxListBox::SetSelection(int N, bool select) bool wxListBox::IsSelected(int N) const { - wxCHECK_MSG( N >= 0 && N < m_noItems, FALSE, + wxCHECK_MSG( N >= 0 && N < m_noItems, false, wxT("invalid index in wxListBox::Selected") ); - return SendMessage(GetHwnd(), LB_GETSEL, N, 0) == 0 ? FALSE : TRUE; + return SendMessage(GetHwnd(), LB_GETSEL, N, 0) == 0 ? false : true; } wxClientData* wxListBox::DoGetItemClientObject(int n) const @@ -448,14 +507,13 @@ int wxListBox::GetSelection() const wxString wxListBox::GetString(int N) const { wxCHECK_MSG( N >= 0 && N < m_noItems, wxEmptyString, - wxT("invalid index in wxListBox::GetClientData") ); + wxT("invalid index in wxListBox::GetString") ); 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, (wxChar*)wxStringBuffer(result, len + 1)); return result; } @@ -466,6 +524,8 @@ 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++ ) { @@ -481,6 +541,8 @@ wxListBox::DoInsertItems(const wxArrayString& items, int pos) ListBox_SetItemData(GetHwnd(), idx, pNewItem); } +#else + wxUnusedVar(idx); #endif // wxUSE_OWNER_DRAWN } @@ -519,10 +581,6 @@ void wxListBox::SetString(int N, const wxString& s) else if ( oldObjData ) SetClientObject(N, oldObjData); - // we may have lost the selection - if ( wasSelected ) - Select(N); - #if wxUSE_OWNER_DRAWN if ( m_windowStyle & wxLB_OWNERDRAW ) { @@ -533,6 +591,10 @@ void wxListBox::SetString(int N, const wxString& s) 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 @@ -554,12 +616,12 @@ void wxListBox::SetHorizontalExtent(const wxString& s) return; TEXTMETRIC lpTextMetric; - if ( !s.IsEmpty() ) + if ( !s.empty() ) { int existingExtent = (int)SendMessage(GetHwnd(), LB_GETHORIZONTALEXTENT, 0, 0L); HDC dc = GetWindowDC(GetHwnd()); HFONT oldFont = 0; - if (GetFont().Ok() && GetFont().GetResourceHandle()) + if (GetFont().Ok() && GetFont().GetResourceHandle() != 0) oldFont = (HFONT) ::SelectObject(dc, (HFONT) GetFont().GetResourceHandle()); GetTextMetrics(dc, &lpTextMetric); @@ -579,19 +641,16 @@ void wxListBox::SetHorizontalExtent(const wxString& s) int largestExtent = 0; HDC dc = GetWindowDC(GetHwnd()); HFONT oldFont = 0; - if (GetFont().Ok() && GetFont().GetResourceHandle()) + if (GetFont().Ok() && GetFont().GetResourceHandle() != 0) oldFont = (HFONT) ::SelectObject(dc, (HFONT) GetFont().GetResourceHandle()); GetTextMetrics(dc, &lpTextMetric); - // FIXME: buffer overflow!! - wxChar buf[1024]; for (int i = 0; i < m_noItems; i++) { - int len = (int)SendMessage(GetHwnd(), LB_GETTEXT, i, (LPARAM)buf); - buf[len] = 0; + wxString str = GetString(i); SIZE extentXY; - ::GetTextExtentPoint(dc, buf, len, &extentXY); + ::GetTextExtentPoint(dc, str.c_str(), str.length(), &extentXY); int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth); if (extentX > largestExtent) largestExtent = extentX; @@ -624,7 +683,7 @@ wxSize wxListBox::DoGetBestSize() const // 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; @@ -654,7 +713,7 @@ bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) else { // some event we're not interested in - return FALSE; + return false; } wxCommandEvent event(evtType, m_windowId); @@ -670,10 +729,10 @@ bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) event.SetClientData( GetClientData(n) ); event.SetString( GetString(n) ); - event.SetExtraLong( HasMultipleSelection() ? IsSelected(n) : TRUE ); + event.SetExtraLong( HasMultipleSelection() ? IsSelected(n) : true ); } - event.m_commandInt = n; + event.SetInt(n); return GetEventHandler()->ProcessEvent(event); } @@ -699,7 +758,7 @@ bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) bool wxListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item) { // only owner-drawn control should receive this message - wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE ); + wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), false ); MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item; @@ -711,7 +770,7 @@ bool wxListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item) wxDC dc; dc.SetHDC((WXHDC)hdc); - dc.SetFont(wxSystemSettings::GetFont(wxSYS_ANSI_VAR_FONT)); + dc.SetFont(GetFont()); pStruct->itemHeight = dc.GetCharHeight() + 2*OWNER_DRAWN_LISTBOX_EXTRA_SPACE; pStruct->itemWidth = dc.GetCharWidth(); @@ -720,31 +779,32 @@ bool wxListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item) DeleteDC(hdc); - return TRUE; + return true; } // forward the message to the appropriate item bool wxListBox::MSWOnDraw(WXDRAWITEMSTRUCT *item) { // only owner-drawn control should receive this message - wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE ); + 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; + return false; long data = ListBox_GetItemData(GetHwnd(), pStruct->itemID); - wxCHECK( data && (data != LB_ERR), FALSE ); + wxCHECK( data && (data != LB_ERR), false ); wxListBoxItem *pItem = (wxListBoxItem *)data; wxDCTemp dc((WXHDC)pStruct->hDC); - wxRect rect(wxPoint(pStruct->rcItem.left, pStruct->rcItem.top), - wxPoint(pStruct->rcItem.right, pStruct->rcItem.bottom)); + wxPoint pt1(pStruct->rcItem.left, pStruct->rcItem.top); + wxPoint pt2(pStruct->rcItem.right, pStruct->rcItem.bottom); + wxRect rect(pt1, pt2); return pItem->OnDrawItem(dc, rect, (wxOwnerDrawn::wxODAction)pStruct->itemAction,