X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2a673eb1c9942cbdda6486bda330aeef0d43321a..65fd2fc2616552e4204223b7c2b69d9bc87c1f2d:/src/msw/listbox.cpp diff --git a/src/msw/listbox.cpp b/src/msw/listbox.cpp index 0801c0fc79..3f85f6bbb7 100644 --- a/src/msw/listbox.cpp +++ b/src/msw/listbox.cpp @@ -80,7 +80,7 @@ wxBEGIN_FLAGS( wxListBoxStyle ) wxEND_FLAGS( wxListBoxStyle ) -IMPLEMENT_DYNAMIC_CLASS_XTI(wxListBox, wxControl,"wx/listbox.h") +IMPLEMENT_DYNAMIC_CLASS_XTI(wxListBox, wxControlWithItems,"wx/listbox.h") wxBEGIN_PROPERTIES_TABLE(wxListBox) wxEVENT_PROPERTY( Select , wxEVT_COMMAND_LISTBOX_SELECTED , wxCommandEvent ) @@ -97,7 +97,7 @@ wxEND_HANDLERS_TABLE() wxCONSTRUCTOR_4( wxListBox , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size ) #else -IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl) +IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControlWithItems) #endif /* @@ -177,7 +177,7 @@ bool wxListBox::Create(wxWindow *parent, } // now we can compute our best size correctly, so do it if necessary - SetBestSize(size); + SetInitialSize(size); return true; } @@ -256,96 +256,15 @@ void wxListBox::DoSetFirstItem(int N) SendMessage(GetHwnd(), LB_SETTOPINDEX, (WPARAM)N, (LPARAM)0); } -void wxListBox::Delete(unsigned int n) +void wxListBox::DoDeleteOneItem(unsigned int n) { wxCHECK_RET( IsValid(n), 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(wxEmptyString); - - InvalidateBestSize(); -} - -int wxListBox::DoAppend(const wxString& item) -{ - int index = ListBox_AddString(GetHwnd(), item); - m_noItems++; - -#if wxUSE_OWNER_DRAWN - if ( m_windowStyle & wxLB_OWNERDRAW ) { - wxOwnerDrawn *pNewItem = CreateLboxItem(index); // dummy argument - pNewItem->SetName(item); - m_aItems.Insert(pNewItem, index); - ListBox_SetItemData(GetHwnd(), index, pNewItem); - pNewItem->SetFont(GetFont()); - } -#endif // wxUSE_OWNER_DRAWN - - SetHorizontalExtent(item); - - InvalidateBestSize(); - return index; -} - -void wxListBox::DoSetItems(const wxArrayString& choices, void** clientData) -{ - // avoid flicker - but don't need to do this for a hidden listbox - bool hideAndShow = IsShown(); - if ( hideAndShow ) - { - ShowWindow(GetHwnd(), SW_HIDE); - } - - ListBox_ResetContent(GetHwnd()); - - m_noItems = choices.GetCount(); - unsigned int i; - for (i = 0; i < m_noItems; i++) - { - ListBox_AddString(GetHwnd(), choices[i]); - if ( clientData ) - { - SetClientData(i, clientData[i]); - } - } - -#if wxUSE_OWNER_DRAWN - if ( m_windowStyle & wxLB_OWNERDRAW ) { - // first delete old items - WX_CLEAR_ARRAY(m_aItems); - - // then create new ones - for ( unsigned int ui = 0; ui < m_noItems; ui++ ) { - wxOwnerDrawn *pNewItem = CreateLboxItem(ui); - pNewItem->SetName(choices[ui]); - m_aItems.Add(pNewItem); - ListBox_SetItemData(GetHwnd(), ui, pNewItem); - } - } -#endif // wxUSE_OWNER_DRAWN - - SetHorizontalExtent(); - - if ( hideAndShow ) - { - // show the listbox back if we hid it - ShowWindow(GetHwnd(), SW_SHOW); - } - - InvalidateBestSize(); } int wxListBox::FindString(const wxString& s, bool bCase) const @@ -354,14 +273,14 @@ int wxListBox::FindString(const wxString& s, bool bCase) const if (bCase) return wxItemContainerImmutable::FindString( s, bCase ); - int pos = ListBox_FindStringExact(GetHwnd(), -1, s); + int pos = ListBox_FindStringExact(GetHwnd(), -1, s.wx_str()); if (pos == LB_ERR) return wxNOT_FOUND; else return pos; } -void wxListBox::Clear() +void wxListBox::DoClear() { Free(); @@ -369,8 +288,6 @@ void wxListBox::Clear() m_noItems = 0; SetHorizontalExtent(); - - InvalidateBestSize(); } void wxListBox::Free() @@ -380,15 +297,7 @@ void wxListBox::Free() { WX_CLEAR_ARRAY(m_aItems); } - else #endif // wxUSE_OWNER_DRAWN - if ( HasClientObjectData() ) - { - for ( unsigned int n = 0; n < m_noItems; n++ ) - { - delete GetClientObject(n); - } - } } void wxListBox::DoSetSelection(int N, bool select) @@ -414,11 +323,6 @@ bool wxListBox::IsSelected(int N) const return SendMessage(GetHwnd(), LB_GETSEL, N, 0) == 0 ? false : true; } -wxClientData* wxListBox::DoGetItemClientObject(unsigned int n) const -{ - return (wxClientData *)DoGetItemClientData(n); -} - void *wxListBox::DoGetItemClientData(unsigned int n) const { wxCHECK_MSG( IsValid(n), NULL, @@ -427,11 +331,6 @@ void *wxListBox::DoGetItemClientData(unsigned int n) const return (void *)SendMessage(GetHwnd(), LB_GETITEMDATA, n, 0); } -void wxListBox::DoSetItemClientObject(unsigned int n, wxClientData* clientData) -{ - DoSetItemClientData(n, clientData); -} - void wxListBox::DoSetItemClientData(unsigned int n, void *clientData) { wxCHECK_RET( IsValid(n), @@ -518,37 +417,53 @@ wxString wxListBox::GetString(unsigned int n) const return result; } -void -wxListBox::DoInsertItems(const wxArrayString& items, unsigned int pos) +int wxListBox::DoInsertItems(const wxArrayStringsAdapter & items, + unsigned int pos, + void **clientData, + wxClientDataType type) { - wxCHECK_RET( IsValidInsert(pos), - wxT("invalid index in wxListBox::InsertItems") ); + MSWAllocStorage(items, LB_INITSTORAGE); + + const bool append = pos == GetCount(); + + // we must use CB_ADDSTRING when appending as only it works correctly for + // the sorted controls + const unsigned msg = append ? LB_ADDSTRING : LB_INSERTSTRING; + + if ( append ) + pos = 0; - unsigned int nItems = items.GetCount(); - for ( unsigned int i = 0; i < nItems; i++ ) + int n = wxNOT_FOUND; + + const unsigned int numItems = items.GetCount(); + for ( unsigned int i = 0; i < numItems; i++ ) { - int idx = ListBox_InsertString(GetHwnd(), i + pos, items[i]); + n = MSWInsertOrAppendItem(pos, items[i], msg); + if ( n == wxNOT_FOUND ) + return n; + + if ( !append ) + pos++; + + ++m_noItems; #if wxUSE_OWNER_DRAWN - if ( m_windowStyle & wxLB_OWNERDRAW ) + if ( HasFlag(wxLB_OWNERDRAW) ) { - wxOwnerDrawn *pNewItem = CreateLboxItem(idx); + wxOwnerDrawn *pNewItem = CreateLboxItem(n); pNewItem->SetName(items[i]); pNewItem->SetFont(GetFont()); - m_aItems.Insert(pNewItem, idx); + m_aItems.Insert(pNewItem, n); - ListBox_SetItemData(GetHwnd(), idx, pNewItem); + ListBox_SetItemData(GetHwnd(), n, pNewItem); } -#else - wxUnusedVar(idx); #endif // wxUSE_OWNER_DRAWN + AssignNewItemClientData(n, clientData, i, type); } - m_noItems += nItems; - SetHorizontalExtent(); - InvalidateBestSize(); + return n; } int wxListBox::DoListHitTest(const wxPoint& point) const @@ -583,7 +498,7 @@ void wxListBox::SetString(unsigned int n, const wxString& s) if ( n == (m_noItems - 1) ) newN = -1; - ListBox_InsertString(GetHwnd(), newN, s); + ListBox_InsertString(GetHwnd(), newN, s.wx_str()); // restore the client data if ( oldData ) @@ -606,7 +521,7 @@ void wxListBox::SetString(unsigned int n, const wxString& s) if ( wasSelected ) Select(n); - InvalidateBestSize(); + SetHorizontalExtent(); } unsigned int wxListBox::GetCount() const @@ -615,64 +530,56 @@ unsigned int wxListBox::GetCount() const } // ---------------------------------------------------------------------------- -// helpers +// size-related stuff // ---------------------------------------------------------------------------- -// 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. void wxListBox::SetHorizontalExtent(const wxString& s) { - // Only necessary if we want a horizontal scrollbar - if (!(m_windowStyle & wxHSCROLL)) + // in any case, our best size could have changed + InvalidateBestSize(); + + // the rest is only necessary if we want a horizontal scrollbar + if ( !HasFlag(wxHSCROLL) ) return; - TEXTMETRIC lpTextMetric; - if ( !s.empty() ) - { - int existingExtent = (int)SendMessage(GetHwnd(), LB_GETHORIZONTALEXTENT, 0, 0L); - HDC dc = GetWindowDC(GetHwnd()); - HFONT oldFont = 0; - if (GetFont().Ok() && GetFont().GetResourceHandle() != 0) - oldFont = (HFONT) ::SelectObject(dc, (HFONT) GetFont().GetResourceHandle()); - - GetTextMetrics(dc, &lpTextMetric); - SIZE extentXY; - ::GetTextExtentPoint32(dc, (LPTSTR) (const wxChar *)s, s.length(), &extentXY); - int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth); - if (oldFont) - ::SelectObject(dc, oldFont); + WindowHDC dc(GetHwnd()); + SelectInHDC selFont(dc, GetHfontOf(GetFont())); - ReleaseDC(GetHwnd(), dc); - if (extentX > existingExtent) - SendMessage(GetHwnd(), LB_SETHORIZONTALEXTENT, LOWORD(extentX), 0L); - } - else - { - int largestExtent = 0; - HDC dc = GetWindowDC(GetHwnd()); - HFONT oldFont = 0; - if (GetFont().Ok() && GetFont().GetResourceHandle() != 0) - oldFont = (HFONT) ::SelectObject(dc, (HFONT) GetFont().GetResourceHandle()); + TEXTMETRIC lpTextMetric; + ::GetTextMetrics(dc, &lpTextMetric); - GetTextMetrics(dc, &lpTextMetric); + int largestExtent = 0; + SIZE extentXY; - for (unsigned int i = 0; i < m_noItems; i++) + if ( s.empty() ) + { + // set extent to the max length of all strings + for ( unsigned int i = 0; i < m_noItems; i++ ) { - wxString str = GetString(i); - SIZE extentXY; + const wxString str = GetString(i); ::GetTextExtentPoint32(dc, str.c_str(), str.length(), &extentXY); + int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth); - if (extentX > largestExtent) + if ( extentX > largestExtent ) largestExtent = extentX; } - if (oldFont) - ::SelectObject(dc, oldFont); + } + else // just increase the extent to the length of this string + { + int existingExtent = (int)SendMessage(GetHwnd(), + LB_GETHORIZONTALEXTENT, 0, 0L); - ReleaseDC(GetHwnd(), dc); - SendMessage(GetHwnd(), LB_SETHORIZONTALEXTENT, LOWORD(largestExtent), 0L); + ::GetTextExtentPoint32(dc, s.c_str(), s.length(), &extentXY); + + int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth); + if ( extentX > existingExtent ) + largestExtent = extentX; } + + if ( largestExtent ) + SendMessage(GetHwnd(), LB_SETHORIZONTALEXTENT, LOWORD(largestExtent), 0L); + //else: it shouldn't change } wxSize wxListBox::DoGetBestSize() const @@ -815,7 +722,7 @@ bool wxListBox::MSWOnDraw(WXDRAWITEMSTRUCT *item) if ( itemID == (UINT)-1 ) return false; - long data = ListBox_GetItemData(GetHwnd(), pStruct->itemID); + LRESULT data = ListBox_GetItemData(GetHwnd(), pStruct->itemID); wxCHECK( data && (data != LB_ERR), false );