// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "univcheckbox.h"
-#endif
-
#include "wx/wxprec.h"
#ifdef __BORLANDC__
bool wxCheckBox::GetValue() const
{
- return m_status == Status_Checked;
+ return (Get3StateValue() != wxCHK_UNCHECKED);
}
void wxCheckBox::SetValue(bool value)
{
- Status status = value ? Status_Checked : Status_Unchecked;
- if ( status != m_status )
- {
- m_status = status;
-
- if ( m_status == Status_Checked )
- {
- // invoke the hook
- OnCheck();
- }
-
- Refresh();
- }
+ Set3StateValue( value ? wxCHK_CHECKED : wxCHK_UNCHECKED );
}
void wxCheckBox::OnCheck()
dc.SetFont(GetFont());
dc.SetTextForeground(GetForegroundColour());
- if ( m_status == Status_Checked )
- flags |= wxCONTROL_CHECKED;
+ switch ( Get3StateValue() )
+ {
+ case wxCHK_CHECKED: flags |= wxCONTROL_CHECKED; break;
+ case wxCHK_UNDETERMINED: flags |= wxCONTROL_UNDETERMINED; break;
+ default: /* do nothing */ break;
+ }
wxBitmap bitmap(GetBitmap(GetState(flags), m_status));
// checkbox actions
// ----------------------------------------------------------------------------
+void wxCheckBox::DoSet3StateValue(wxCheckBoxState state)
+{
+ Status status;
+ switch ( state )
+ {
+ case wxCHK_UNCHECKED: status = Status_Unchecked; break;
+ case wxCHK_CHECKED: status = Status_Checked; break;
+ default: wxFAIL_MSG(_T("Unknown checkbox state"));
+ case wxCHK_UNDETERMINED: status = Status_3rdState; break;
+ }
+ if ( status != m_status )
+ {
+ m_status = status;
+
+ if ( m_status == Status_Checked )
+ {
+ // invoke the hook
+ OnCheck();
+ }
+
+ Refresh();
+ }
+}
+
+wxCheckBoxState wxCheckBox::DoGet3StateValue() const
+{
+ switch ( m_status )
+ {
+ case Status_Checked: return wxCHK_CHECKED;
+ case Status_Unchecked: return wxCHK_UNCHECKED;
+ default: /* go further */ break;
+ }
+ return wxCHK_UNDETERMINED;
+}
+
void wxCheckBox::Press()
{
if ( !m_isPressed )
{
m_isPressed = false;
- ChangeValue(!GetValue());
+ Status status = m_status;
+
+ switch ( Get3StateValue() )
+ {
+ case wxCHK_CHECKED:
+ Set3StateValue(Is3rdStateAllowedForUser() ? wxCHK_UNDETERMINED : wxCHK_UNCHECKED);
+ break;
+
+ case wxCHK_UNCHECKED:
+ Set3StateValue(wxCHK_CHECKED);
+ break;
+
+ case wxCHK_UNDETERMINED:
+ Set3StateValue(wxCHK_UNCHECKED);
+ break;
+ }
+
+ if( status != m_status )
+ SendEvent();
}
void wxCheckBox::ChangeValue(bool value)
{
wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, GetId());
InitCommandEvent(event);
- event.SetInt(IsChecked());
+ wxCheckBoxState state = Get3StateValue();
+
+ // If the style flag to allow the user setting the undetermined state
+ // is not set, then skip the undetermined state and set it to unchecked.
+ if ( state == wxCHK_UNDETERMINED && !Is3rdStateAllowedForUser() )
+ {
+ state = wxCHK_UNCHECKED;
+ Set3StateValue(state);
+ }
+
+ event.SetInt(state);
Command(event);
}