void wxChoice::SetString(unsigned int n, const wxString& s)
{
wxCHECK_RET( IsValid(n), wxT("invalid item index in wxChoice::SetString") );
// we have to delete and add back the string as there is no way to change a
// string in place
// we need to preserve the client data manually
void *oldData = NULL;
wxClientData *oldObjData = NULL;
if ( HasClientUntypedData() )
oldData = GetClientData(n);
else if ( HasClientObjectData() )
oldObjData = GetClientObject(n);
// and also the selection if we're going to delete the item that was
// selected
const bool wasSelected = static_cast<int>(n) == GetSelection();
::SendMessage(GetHwnd(), CB_DELETESTRING, n, 0);
::SendMessage(GetHwnd(), CB_INSERTSTRING, n, wxMSW_CONV_LPARAM(s) );
// restore the client data
if ( oldData )
SetClientData(n, oldData);
else if ( oldObjData )
SetClientObject(n, oldObjData);
// and the selection
if ( wasSelected )
SetSelection(n);
// the width could have changed so the best size needs to be recomputed
InvalidateBestSize();
}
int wxDirDialog::ShowSHBrowseForFolder(WXHWND owner)
{
BROWSEINFO bi;
bi.hwndOwner = owner;
bi.pidlRoot = NULL;
bi.pszDisplayName = NULL;
bi.lpszTitle = m_message.c_str();
bi.ulFlags = BIF_RETURNONLYFSDIRS | BIF_STATUSTEXT;
bi.lpfn = BrowseCallbackProc;
bi.lParam = wxMSW_CONV_LPARAM(m_path); // param for the callback
static const int verComCtl32 = wxApp::GetComCtl32Version();
// we always add the edit box (it doesn't hurt anybody, does it?)
bi.ulFlags |= BIF_EDITBOX;
// to have the "New Folder" button we must use the "new" dialog style which
// is also the only way to have a resizable dialog
//
const bool needNewDir = !HasFlag(wxDD_DIR_MUST_EXIST);
if ( needNewDir || HasFlag(wxRESIZE_BORDER) )
{
if (needNewDir)
{
bi.ulFlags |= BIF_NEWDIALOGSTYLE;
}
else
{
// Versions < 600 doesn't support BIF_NONEWFOLDERBUTTON
// The only way to get rid of the Make New Folder button is use
// the old dialog style which doesn't have the button thus we
// simply don't set the New Dialog Style for such comctl versions.
if (verComCtl32 >= 600)
{
bi.ulFlags |= BIF_NEWDIALOGSTYLE;
bi.ulFlags |= BIF_NONEWFOLDERBUTTON;
}
}
}
// do show the dialog
wxItemIdList pidl(SHBrowseForFolder(&bi));
wxItemIdList::Free((LPITEMIDLIST)bi.pidlRoot);
if ( !pidl )
{
// Cancel button pressed
return wxID_CANCEL;
}
m_path = pidl.GetPath();
return m_path.empty() ? wxID_CANCEL : wxID_OK;
}
static int CALLBACK
BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lp, LPARAM pData)
{
switch(uMsg)
{
#ifdef BFFM_SETSELECTION
case BFFM_INITIALIZED:
// sent immediately after initialisation and so we may set the
// initial selection here
//
// wParam = TRUE => lParam is a string and not a PIDL
::SendMessage(hwnd, BFFM_SETSELECTION, TRUE, pData);
break;
#endif // BFFM_SETSELECTION
case BFFM_SELCHANGED:
// note that this doesn't work with the new style UI (MSDN doesn't
// say anything about it, but the comments in shlobj.h do!) but we
// still execute this code in case it starts working again with the
// "new new UI" (or would it be "NewUIEx" according to tradition?)
{
// Set the status window to the currently selected path.
wxString strDir;
if ( SHGetPathFromIDList((LPITEMIDLIST)lp,
wxStringBuffer(strDir, MAX_PATH)) )
{
// NB: this shouldn't be necessary with the new style box
// (which is resizable), but as for now it doesn't work
// anyhow (see the comment above) no harm in doing it
// need to truncate or it displays incorrectly
static const size_t maxChars = 37;
if ( strDir.length() > maxChars )
{
strDir = strDir.Right(maxChars);
strDir = wxString(wxT("...")) + strDir;
}
SendMessage(hwnd, BFFM_SETSTATUSTEXT,
0, wxMSW_CONV_LPARAM(strDir));
}
}
break;
//case BFFM_VALIDATEFAILED: -- might be used to provide custom message
// if the user types in invalid dir name
}
return 0;
}
int wxControlWithItems::MSWInsertOrAppendItem(unsigned pos,
const wxString& item,
unsigned wm)
{
LRESULT n = SendMessage((HWND)MSWGetItemsHWND(), wm, pos,
wxMSW_CONV_LPARAM(item));
if ( n == CB_ERR || n == CB_ERRSPACE )
{
wxLogLastError(wxT("SendMessage(XX_ADD/INSERTSTRING)"));
return wxNOT_FOUND;
}
return n;
}
void
wxCommandLinkButton::SetMainLabelAndNote(const wxString& mainLabel,
const wxString& note)
{
if ( HasNativeCommandLinkButton() )
{
wxButton::SetLabel(mainLabel);
::SendMessage(m_hWnd, BCM_SETNOTE, 0, wxMSW_CONV_LPARAM(note));
// Preserve the user-specified label for GetLabel()
m_labelOrig = mainLabel;
if ( !note.empty() )
m_labelOrig << '\n' << note;
}
else
{
wxGenericCommandLinkButton::SetMainLabelAndNote(mainLabel, note);
}
}
int wxChoice::FindString(const wxString& s, bool bCase) const
{
#if defined(__WATCOMC__) && defined(__WIN386__)
// For some reason, Watcom in WIN386 mode crashes in the CB_FINDSTRINGEXACT message.
// wxChoice::Do it the long way instead.
unsigned int count = GetCount();
for ( unsigned int i = 0; i < count; i++ )
{
// as CB_FINDSTRINGEXACT is case insensitive, be case insensitive too
if (GetString(i).IsSameAs(s, bCase))
return i;
}
return wxNOT_FOUND;
#else // !Watcom
//TODO: Evidently some MSW versions (all?) don't like empty strings
//passed to SendMessage, so we have to do it ourselves in that case
if ( s.empty() )
{
unsigned int count = GetCount();
for ( unsigned int i = 0; i < count; i++ )
{
if (GetString(i).empty())
return i;
}
return wxNOT_FOUND;
}
else if (bCase)
{
// back to base class search for not native search type
return wxItemContainerImmutable::FindString( s, bCase );
}
else
{
int pos = (int)SendMessage(GetHwnd(), CB_FINDSTRINGEXACT,
(WPARAM)-1, wxMSW_CONV_LPARAM(s));
return pos == LB_ERR ? wxNOT_FOUND : pos;
}
#endif // Watcom/!Watcom
}
// draw the item
bool wxOwnerDrawn::OnDrawItem(wxDC& dc, const wxRect& rc,
wxODAction, wxODStatus stat)
{
// we do nothing if item isn't ownerdrawn
if ( !IsOwnerDrawn() )
return true;
wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
HDC hdc = GetHdcOf(*impl);
RECT rect;
wxCopyRectToRECT(rc, rect);
{
// set the font and colors
wxFont font;
GetFontToUse(font);
wxColour colText, colBack;
GetColourToUse(stat, colText, colBack);
SelectInHDC selFont(hdc, GetHfontOf(font));
wxMSWImpl::wxTextColoursChanger textCol(hdc, colText, colBack);
wxMSWImpl::wxBkModeChanger bkMode(hdc, wxBRUSHSTYLE_TRANSPARENT);
AutoHBRUSH hbr(wxColourToPalRGB(colBack));
SelectInHDC selBrush(hdc, hbr);
::FillRect(hdc, &rect, hbr);
// using native API because it recognizes '&'
wxString text = GetName();
SIZE sizeRect;
::GetTextExtentPoint32(hdc, text.c_str(), text.length(), &sizeRect);
int flags = DST_PREFIXTEXT;
if ( (stat & wxODDisabled) && !(stat & wxODSelected) )
flags |= DSS_DISABLED;
if ( (stat & wxODHidePrefix) )
flags |= DSS_HIDEPREFIX;
int x = rc.x + GetMarginWidth();
int y = rc.y + (rc.GetHeight() - sizeRect.cy) / 2;
int cx = rc.GetWidth() - GetMarginWidth();
int cy = sizeRect.cy;
::DrawState(hdc, NULL, NULL, wxMSW_CONV_LPARAM(text),
text.length(), x, y, cx, cy, flags);
} // reset to default the font, colors and brush
if (stat & wxODHasFocus)
::DrawFocusRect(hdc, &rect);
return true;
}
bool wxMenuItem::OnDrawItem(wxDC& dc, const wxRect& rc,
wxODAction WXUNUSED(act), wxODStatus stat)
{
const MenuDrawData* data = MenuDrawData::Get();
wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
HDC hdc = GetHdcOf(*impl);
RECT rect;
wxCopyRectToRECT(rc, rect);
int imgWidth = wxMax(GetMarginWidth(), data->CheckSize.cx);
if ( IsOwnerDrawn() )
{
// font and colors to use
wxFont font;
GetFontToUse(font);
wxColour colText, colBack;
GetColourToUse(stat, colText, colBack);
// calculate metrics of item parts
RECT rcSelection = rect;
data->ItemMargin.ApplyTo(rcSelection);
RECT rcSeparator = rcSelection;
data->SeparatorMargin.ApplyTo(rcSeparator);
RECT rcGutter = rcSelection;
rcGutter.right = data->ItemMargin.cxLeftWidth
+ data->CheckBgMargin.cxLeftWidth
+ data->CheckMargin.cxLeftWidth
+ imgWidth
+ data->CheckMargin.cxRightWidth
+ data->CheckBgMargin.cxRightWidth;
RECT rcText = rcSelection;
rcText.left = rcGutter.right + data->TextBorder;
// we draw the text label vertically centered, but this results in it
// being 1px too low compared to native menus for some reason, fix it
if ( data->MenuLayout() != MenuDrawData::FullTheme )
rcText.top--;
#if wxUSE_UXTHEME
// If a custom background colour is explicitly specified, we should use
// it instead of the default theme background.
wxUxThemeEngine* const theme = GetBackgroundColour().IsOk()
? NULL
: MenuDrawData::GetUxThemeEngine();
if ( theme )
{
POPUPITEMSTATES state;
if ( stat & wxODDisabled )
{
state = (stat & wxODSelected) ? MPI_DISABLEDHOT
: MPI_DISABLED;
}
else if ( stat & wxODSelected )
{
state = MPI_HOT;
}
else
{
state = MPI_NORMAL;
}
wxUxThemeHandle hTheme(GetMenu()->GetWindow(), L"MENU");
if ( theme->IsThemeBackgroundPartiallyTransparent(hTheme,
MENU_POPUPITEM, state) )
{
theme->DrawThemeBackground(hTheme, hdc,
MENU_POPUPBACKGROUND,
0, &rect, NULL);
}
theme->DrawThemeBackground(hTheme, hdc, MENU_POPUPGUTTER,
0, &rcGutter, NULL);
if ( IsSeparator() )
{
rcSeparator.left = rcGutter.right;
theme->DrawThemeBackground(hTheme, hdc, MENU_POPUPSEPARATOR,
0, &rcSeparator, NULL);
return true;
}
theme->DrawThemeBackground(hTheme, hdc, MENU_POPUPITEM,
state, &rcSelection, NULL);
}
else
#endif // wxUSE_UXTHEME
{
if ( IsSeparator() )
{
DrawEdge(hdc, &rcSeparator, EDGE_ETCHED, BF_TOP);
return true;
}
AutoHBRUSH hbr(colBack.GetPixel());
SelectInHDC selBrush(hdc, hbr);
::FillRect(hdc, &rcSelection, hbr);
}
// draw text label
// using native API because it recognizes '&'
HDCTextColChanger changeTextCol(hdc, colText.GetPixel());
HDCBgColChanger changeBgCol(hdc, colBack.GetPixel());
HDCBgModeChanger changeBgMode(hdc, TRANSPARENT);
SelectInHDC selFont(hdc, GetHfontOf(font));
// item text name without mnemonic for calculating size
wxString text = GetName();
SIZE textSize;
::GetTextExtentPoint32(hdc, text.c_str(), text.length(), &textSize);
// item text name with mnemonic
text = GetItemLabel().BeforeFirst('\t');
int flags = DST_PREFIXTEXT;
// themes menu is using specified color for disabled labels
if ( data->MenuLayout() == MenuDrawData::Classic &&
(stat & wxODDisabled) && !(stat & wxODSelected) )
flags |= DSS_DISABLED;
if ( (stat & wxODHidePrefix) && !data->AlwaysShowCues )
flags |= DSS_HIDEPREFIX;
int x = rcText.left;
int y = rcText.top + (rcText.bottom - rcText.top - textSize.cy) / 2;
::DrawState(hdc, NULL, NULL, wxMSW_CONV_LPARAM(text),
text.length(), x, y, 0, 0, flags);
// ::SetTextAlign(hdc, TA_RIGHT) doesn't work with DSS_DISABLED or DSS_MONO
// as the last parameter in DrawState() (at least with Windows98). So we have
// to take care of right alignment ourselves.
wxString accel = GetItemLabel().AfterFirst(wxT('\t'));
if ( !accel.empty() )
{
SIZE accelSize;
::GetTextExtentPoint32(hdc, accel.c_str(), accel.length(), &accelSize);
flags = DST_TEXT;
// themes menu is using specified color for disabled labels
if ( data->MenuLayout() == MenuDrawData::Classic &&
(stat & wxODDisabled) && !(stat & wxODSelected) )
flags |= DSS_DISABLED;
x = rcText.right - data->ArrowMargin.GetTotalX()
- data->ArrowSize.cx
- data->ArrowBorder;
// right align accel on FullTheme menu, left otherwise
if ( data->MenuLayout() == MenuDrawData::FullTheme)
x -= accelSize.cx;
else
x -= m_parentMenu->GetMaxAccelWidth();
y = rcText.top + (rcText.bottom - rcText.top - accelSize.cy) / 2;
::DrawState(hdc, NULL, NULL, wxMSW_CONV_LPARAM(accel),
accel.length(), x, y, 0, 0, flags);
}
}
// draw the bitmap
RECT rcImg;
SetRect(&rcImg,
rect.left + data->ItemMargin.cxLeftWidth
+ data->CheckBgMargin.cxLeftWidth
+ data->CheckMargin.cxLeftWidth,
rect.top + data->ItemMargin.cyTopHeight
+ data->CheckBgMargin.cyTopHeight
+ data->CheckMargin.cyTopHeight,
rect.left + data->ItemMargin.cxLeftWidth
+ data->CheckBgMargin.cxLeftWidth
+ data->CheckMargin.cxLeftWidth
+ imgWidth,
rect.bottom - data->ItemMargin.cyBottomHeight
- data->CheckBgMargin.cyBottomHeight
- data->CheckMargin.cyBottomHeight);
if ( IsCheckable() && !m_bmpChecked.IsOk() )
{
if ( stat & wxODChecked )
{
DrawStdCheckMark((WXHDC)hdc, &rcImg, stat);
}
}
else
{
wxBitmap bmp;
if ( stat & wxODDisabled )
{
bmp = GetDisabledBitmap();
}
if ( !bmp.IsOk() )
{
// for not checkable bitmaps we should always use unchecked one
// because their checked bitmap is not set
bmp = GetBitmap(!IsCheckable() || (stat & wxODChecked));
#if wxUSE_IMAGE
if ( bmp.IsOk() && stat & wxODDisabled )
{
// we need to grey out the bitmap as we don't have any specific
// disabled bitmap
wxImage imgGrey = bmp.ConvertToImage().ConvertToGreyscale();
if ( imgGrey.IsOk() )
bmp = wxBitmap(imgGrey);
}
#endif // wxUSE_IMAGE
}
if ( bmp.IsOk() )
{
wxMemoryDC dcMem(&dc);
dcMem.SelectObjectAsSource(bmp);
// center bitmap
int nBmpWidth = bmp.GetWidth(),
nBmpHeight = bmp.GetHeight();
int x = rcImg.left + (imgWidth - nBmpWidth) / 2;
int y = rcImg.top + (rcImg.bottom - rcImg.top - nBmpHeight) / 2;
dc.Blit(x, y, nBmpWidth, nBmpHeight, &dcMem, 0, 0, wxCOPY, true);
}
}
return true;
}
