X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b4da152ea3ec3968fb2f304b6ed73e0279c19506..020707bba9c960c155f4257d9a027d6aecdae5b8:/src/msw/listbox.cpp?ds=sidebyside diff --git a/src/msw/listbox.cpp b/src/msw/listbox.cpp index 59aeac9eea..eea13ecbe3 100644 --- a/src/msw/listbox.cpp +++ b/src/msw/listbox.cpp @@ -6,10 +6,10 @@ // 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 @@ -43,13 +43,77 @@ #include "wx/ownerdrw.h" #endif -#ifndef __TWIN32__ - #ifdef __GNUWIN32_OLD__ - #include "wx/msw/gnuwin32/extra.h" - #endif +#ifdef __GNUWIN32_OLD__ + #include "wx/msw/gnuwin32/extra.h" #endif - IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl) +#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 @@ -101,105 +165,43 @@ 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); - - 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; - - DWORD wstyle = WS_VISIBLE | WS_VSCROLL | WS_TABSTOP | - LBS_NOTIFY | LBS_HASSTRINGS /* | WS_CLIPSIBLINGS */; - - wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED), - _T("only one of listbox selection modes can be specified") ); - - if ( (m_windowStyle & wxBORDER_MASK) == wxBORDER_DEFAULT ) - m_windowStyle |= wxBORDER_SUNKEN; - - if ( m_windowStyle & wxCLIP_SIBLINGS ) - wstyle |= WS_CLIPSIBLINGS; - - 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; + // initialize base class fields + if ( !CreateControl(parent, id, pos, size, style, validator, name) ) + return false; -#if wxUSE_OWNER_DRAWN - if ( m_windowStyle & wxLB_OWNERDRAW ) { - // we don't support LBS_OWNERDRAWVARIABLE yet - wstyle |= LBS_OWNERDRAWFIXED; - } -#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) ) + // create the native control + if ( !MSWCreateControl(_T("LISTBOX"), wxEmptyString, pos, size) ) { - wstyle |= WS_BORDER; + // control creation failed + return false; } - m_hWnd = (WXHWND)::CreateWindowEx(exStyle, wxT("LISTBOX"), NULL, - wstyle | WS_CHILD, - 0, 0, 0, 0, - (HWND)parent->GetHWND(), (HMENU)m_windowId, - wxGetInstance(), NULL); - - wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create listbox") ); - -#if wxUSE_CTL3D - if (want3D) + // initialize the contents + for ( int i = 0; i < n; i++ ) { - Ctl3dSubclassCtl(GetHwnd()); - m_useCtl3D = TRUE; - } -#endif - - // Subclass again to catch messages - SubclassWin(m_hWnd); - - size_t ui; - for (ui = 0; ui < (size_t)n; ui++) { - Append(choices[ui]); + Append(choices[i]); } - if ( (m_windowStyle & wxLB_MULTIPLE) == 0 ) - SendMessage(GetHwnd(), LB_SETCURSEL, 0, 0); + // now we can compute our best size correctly, so do it if necessary + SetBestSize(size); - SetFont(parent->GetFont()); - - SetSize(x, y, width, height); + return true; +} - return TRUE; +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() @@ -207,10 +209,47 @@ wxListBox::~wxListBox() Free(); } -void wxListBox::SetupColours() +WXDWORD wxListBox::MSWGetStyle(long style, WXDWORD *exstyle) const { - SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); - SetForegroundColour(GetParent()->GetForegroundColour()); + WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle); + + // always show the vertical scrollbar if necessary -- otherwise it is + // impossible to use the control with the mouse + msStyle |= WS_VSCROLL; + + // we always want to get the notifications + msStyle |= LBS_NOTIFY; + + // without this style, you get unexpected heights, so e.g. constraint + // layout doesn't work properly + msStyle |= LBS_NOINTEGRALHEIGHT; + + wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED), + _T("only one of listbox selection modes can be specified") ); + + if ( style & wxLB_MULTIPLE ) + msStyle |= LBS_MULTIPLESEL; + else if ( style & wxLB_EXTENDED ) + msStyle |= LBS_EXTENDEDSEL; + + 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; + +#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 + + return msStyle; } // ---------------------------------------------------------------------------- @@ -248,6 +287,8 @@ void wxListBox::Delete(int N) int wxListBox::DoAppend(const wxString& item) { + InvalidateBestSize(); + int index = ListBox_AddString(GetHwnd(), item); m_noItems++; @@ -351,7 +392,8 @@ void wxListBox::Free() void wxListBox::SetSelection(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() ) @@ -471,8 +513,7 @@ wxString wxListBox::GetString(int N) const // +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; } @@ -483,6 +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++ ) { @@ -498,6 +541,8 @@ wxListBox::DoInsertItems(const wxArrayString& items, int pos) ListBox_SetItemData(GetHwnd(), idx, pNewItem); } +#else + wxUnusedVar(idx); #endif // wxUSE_OWNER_DRAWN } @@ -536,10 +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 ) { @@ -550,6 +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 @@ -600,13 +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; @@ -639,7 +686,7 @@ 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; @@ -675,20 +722,17 @@ bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) wxCommandEvent event(evtType, m_windowId); event.SetEventObject( this ); - wxArrayInt aSelections; - int n, count = GetSelections(aSelections); - if ( count > 0 ) + // retrieve the affected item + int n = SendMessage(GetHwnd(), LB_GETCARETINDEX, 0, 0); + if ( n != LB_ERR ) { - n = aSelections[0]; if ( HasClientObjectData() ) event.SetClientObject( GetClientObject(n) ); else if ( HasClientUntypedData() ) event.SetClientData( GetClientData(n) ); + event.SetString( GetString(n) ); - } - else - { - n = -1; + event.SetExtraLong( HasMultipleSelection() ? IsSelected(n) : TRUE ); } event.m_commandInt = n; @@ -721,7 +765,11 @@ 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)hdc);