bool wxCheckBox::MSWOnDraw(WXDRAWITEMSTRUCT *item)
{
DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT *)item;
if ( !IsOwnerDrawn() || dis->CtlType != ODT_BUTTON )
return wxCheckBoxBase::MSWOnDraw(item);
// calculate the rectangles for the check mark itself and the label
HDC hdc = dis->hDC;
RECT& rect = dis->rcItem;
RECT rectCheck,
rectLabel;
rectCheck.top =
rectLabel.top = rect.top;
rectCheck.bottom =
rectLabel.bottom = rect.bottom;
const int checkSize = GetBestSize().y;
const int MARGIN = 3;
const bool isRightAligned = HasFlag(wxALIGN_RIGHT);
if ( isRightAligned )
{
rectCheck.right = rect.right;
rectCheck.left = rectCheck.right - checkSize;
rectLabel.right = rectCheck.left - MARGIN;
rectLabel.left = rect.left;
}
else // normal, left-aligned checkbox
{
rectCheck.left = rect.left;
rectCheck.right = rectCheck.left + checkSize;
rectLabel.left = rectCheck.right + MARGIN;
rectLabel.right = rect.right;
}
// show we draw a focus rect?
const bool isFocused = m_isPressed || FindFocus() == this;
// draw the checkbox itself: note that this should really, really be in
// wxRendererNative but unfortunately we can't add a new virtual function
// to it without breaking backwards compatibility
// classic Win32 version -- this can be useful when we move this into
// wxRendererNative
#if defined(__WXWINCE__) || !wxUSE_UXTHEME
UINT state = DFCS_BUTTONCHECK;
if ( !IsEnabled() )
state |= DFCS_INACTIVE;
switch ( Get3StateValue() )
{
case wxCHK_CHECKED:
state |= DFCS_CHECKED;
break;
case wxCHK_UNDETERMINED:
state |= DFCS_PUSHED;
break;
default:
wxFAIL_MSG( _T("unexpected Get3StateValue() return value") );
// fall through
case wxCHK_UNCHECKED:
// no extra styles needed
break;
}
if ( wxFindWindowAtPoint(wxGetMousePosition()) == this )
state |= DFCS_HOT;
if ( !::DrawFrameControl(hdc, &rectCheck, DFC_BUTTON, state) )
{
wxLogLastError(_T("DrawFrameControl(DFC_BUTTON)"));
}
#else // XP version
wxUxThemeEngine *themeEngine = wxUxThemeEngine::GetIfActive();
if ( !themeEngine )
return false;
wxUxThemeHandle theme(this, L"BUTTON");
if ( !theme )
return false;
int state;
switch ( Get3StateValue() )
{
case wxCHK_CHECKED:
state = CBS_CHECKEDNORMAL;
break;
case wxCHK_UNDETERMINED:
state = CBS_MIXEDNORMAL;
break;
default:
wxFAIL_MSG( _T("unexpected Get3StateValue() return value") );
// fall through
case wxCHK_UNCHECKED:
state = CBS_UNCHECKEDNORMAL;
break;
}
if ( !IsEnabled() )
state += CBS_DISABLED_OFFSET;
else if ( m_isPressed )
state += CBS_PRESSED_OFFSET;
else if ( m_isHot )
state += CBS_HOT_OFFSET;
HRESULT hr = themeEngine->DrawThemeBackground
(
theme,
hdc,
BP_CHECKBOX,
state,
&rectCheck,
NULL
);
if ( FAILED(hr) )
{
wxLogApiError(_T("DrawThemeBackground(BP_CHECKBOX)"), hr);
}
#endif // 0/1
// draw the text
const wxString& label = GetLabel();
// first we need to measure it
UINT fmt = DT_NOCLIP;
// drawing underlying doesn't look well with focus rect (and the native
// control doesn't do it)
if ( isFocused )
fmt |= DT_HIDEPREFIX;
if ( isRightAligned )
fmt |= DT_RIGHT;
// TODO: also use DT_HIDEPREFIX if the system is configured so
// we need to get the label real size first if we have to draw a focus rect
// around it
if ( isFocused )
{
if ( !::DrawText(hdc, label, label.length(), &rectLabel,
fmt | DT_CALCRECT) )
{
wxLogLastError(_T("DrawText(DT_CALCRECT)"));
}
}
if ( !IsEnabled() )
{
::SetTextColor(hdc, ::GetSysColor(COLOR_GRAYTEXT));
}
if ( !::DrawText(hdc, label, label.length(), &rectLabel, fmt) )
{
wxLogLastError(_T("DrawText()"));
}
// finally draw the focus
if ( isFocused )
{
rectLabel.left--;
rectLabel.right++;
if ( !::DrawFocusRect(hdc, &rectLabel) )
{
wxLogLastError(_T("DrawFocusRect()"));
}
}
return true;
}
bool wxCheckBox::MSWOnDraw(WXDRAWITEMSTRUCT *item)
{
DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT *)item;
if ( !IsOwnerDrawn() || dis->CtlType != ODT_BUTTON )
return wxCheckBoxBase::MSWOnDraw(item);
// calculate the rectangles for the check mark itself and the label
HDC hdc = dis->hDC;
RECT& rect = dis->rcItem;
RECT rectCheck,
rectLabel;
rectCheck.top =
rectLabel.top = rect.top;
rectCheck.bottom =
rectLabel.bottom = rect.bottom;
const int checkSize = GetBestSize().y;
const int MARGIN = 3;
const bool isRightAligned = HasFlag(wxALIGN_RIGHT);
if ( isRightAligned )
{
rectCheck.right = rect.right;
rectCheck.left = rectCheck.right - checkSize;
rectLabel.right = rectCheck.left - MARGIN;
rectLabel.left = rect.left;
}
else // normal, left-aligned checkbox
{
rectCheck.left = rect.left;
rectCheck.right = rectCheck.left + checkSize;
rectLabel.left = rectCheck.right + MARGIN;
rectLabel.right = rect.right;
}
// show we draw a focus rect?
const bool isFocused = m_isPressed || FindFocus() == this;
// draw the checkbox itself
wxDCTemp dc(hdc);
int flags = 0;
if ( !IsEnabled() )
flags |= wxCONTROL_DISABLED;
switch ( Get3StateValue() )
{
case wxCHK_CHECKED:
flags |= wxCONTROL_CHECKED;
break;
case wxCHK_UNDETERMINED:
flags |= wxCONTROL_PRESSED;
break;
default:
wxFAIL_MSG( wxT("unexpected Get3StateValue() return value") );
// fall through
case wxCHK_UNCHECKED:
// no extra styles needed
break;
}
if ( wxFindWindowAtPoint(wxGetMousePosition()) == this )
flags |= wxCONTROL_CURRENT;
wxRendererNative::Get().
DrawCheckBox(this, dc, wxRectFromRECT(rectCheck), flags);
// draw the text
const wxString& label = GetLabel();
// first we need to measure it
UINT fmt = DT_NOCLIP;
// drawing underlying doesn't look well with focus rect (and the native
// control doesn't do it)
if ( isFocused )
fmt |= DT_HIDEPREFIX;
if ( isRightAligned )
fmt |= DT_RIGHT;
// TODO: also use DT_HIDEPREFIX if the system is configured so
// we need to get the label real size first if we have to draw a focus rect
// around it
if ( isFocused )
{
if ( !::DrawText(hdc, label.wx_str(), label.length(), &rectLabel,
fmt | DT_CALCRECT) )
{
wxLogLastError(wxT("DrawText(DT_CALCRECT)"));
}
}
if ( !IsEnabled() )
{
::SetTextColor(hdc, ::GetSysColor(COLOR_GRAYTEXT));
}
if ( !::DrawText(hdc, label.wx_str(), label.length(), &rectLabel, fmt) )
{
wxLogLastError(wxT("DrawText()"));
}
// finally draw the focus
if ( isFocused )
{
rectLabel.left--;
rectLabel.right++;
if ( !::DrawFocusRect(hdc, &rectLabel) )
{
wxLogLastError(wxT("DrawFocusRect()"));
}
}
return true;
}
bool wxCheckBox::GetValue() const
{
return Get3StateValue() != wxCHK_UNCHECKED;
}
bool wxCheckBox::GetValue() const
{
return (Get3StateValue() != 0);
}