/////////////////////////////////////////////////////////////////////////////
-// Name: univ/checkbox.cpp
+// Name: src/univ/checkbox.cpp
// Purpose: wxCheckBox implementation
// Author: Vadim Zeitlin
// Modified by:
// Created: 25.08.00
// RCS-ID: $Id$
// Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com)
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "univcheckbox.h"
-#endif
-
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#if wxUSE_CHECKBOX
+#include "wx/checkbox.h"
+
#ifndef WX_PRECOMP
#include "wx/dcclient.h"
- #include "wx/checkbox.h"
#include "wx/validate.h"
#include "wx/button.h" // for wxACTION_BUTTON_XXX
#include "wx/univ/inphand.h"
#include "wx/univ/colschem.h"
+// ----------------------------------------------------------------------------
+// wxStdCheckboxInputHandler: handles the mouse events for the check and radio
+// boxes (handling the keyboard input is simple, but its handling differs a
+// lot between GTK and MSW, so a new class should be derived for this)
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxStdCheckboxInputHandler : public wxStdInputHandler
+{
+public:
+ wxStdCheckboxInputHandler(wxInputHandler *inphand);
+
+ // we have to override this one as wxStdButtonInputHandler version works
+ // only with the buttons
+ virtual bool HandleActivation(wxInputConsumer *consumer, bool activated);
+};
+
// ============================================================================
// implementation
// ============================================================================
-IMPLEMENT_DYNAMIC_CLASS(wxCheckBox, wxControl)
-
// ----------------------------------------------------------------------------
// wxCheckBox
// ----------------------------------------------------------------------------
void wxCheckBox::Init()
{
- m_isPressed = FALSE;
+ m_isPressed = false;
m_status = Status_Unchecked;
}
const wxValidator& validator,
const wxString &name)
{
- if ( !wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name) )
- return FALSE;
+ WXValidateStyle( &style );
+ if ( !wxControl::Create(parent, id, pos, size, style, validator, name) )
+ return false;
SetLabel(label);
- SetBestSize(size);
+ SetInitialSize(size);
CreateInputHandler(wxINP_HANDLER_CHECKBOX);
- return TRUE;
+ return true;
}
// ----------------------------------------------------------------------------
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));
if ( height < sizeBmp.y )
height = sizeBmp.y;
-#if wxUNIV_COMPATIBLE_MSW
+#if defined(wxUNIV_COMPATIBLE_MSW) && wxUNIV_COMPATIBLE_MSW
+ // FIXME: flag nowhere defined so perhaps should be removed?
+
// this looks better but is different from what wxMSW does
height += GetCharHeight()/2;
#endif // wxUNIV_COMPATIBLE_MSW
// 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(wxT("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 = TRUE;
+ m_isPressed = true;
Refresh();
}
{
if ( m_isPressed )
{
- m_isPressed = FALSE;
+ m_isPressed = false;
Refresh();
}
void wxCheckBox::Toggle()
{
- m_isPressed = FALSE;
+ m_isPressed = false;
+
+ Status status = m_status;
+
+ switch ( Get3StateValue() )
+ {
+ case wxCHK_CHECKED:
+ Set3StateValue(Is3rdStateAllowedForUser() ? wxCHK_UNDETERMINED : wxCHK_UNCHECKED);
+ break;
- ChangeValue(!GetValue());
+ 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);
}
else if ( action == wxACTION_BUTTON_RELEASE )
Release();
if ( action == wxACTION_CHECKBOX_CHECK )
- ChangeValue(TRUE);
+ ChangeValue(true);
else if ( action == wxACTION_CHECKBOX_CLEAR )
- ChangeValue(FALSE);
+ ChangeValue(false);
else if ( action == wxACTION_CHECKBOX_TOGGLE )
Toggle();
else
return wxControl::PerformAction(action, numArg, strArg);
- return TRUE;
+ return true;
+}
+
+/* static */
+wxInputHandler *wxCheckBox::CreateStdInputHandler(wxInputHandler *handlerDef)
+{
+ static wxStdCheckboxInputHandler s_handler(handlerDef);
+
+ return &s_handler;
}
// ----------------------------------------------------------------------------
// wxStdCheckboxInputHandler
// ----------------------------------------------------------------------------
-wxStdCheckboxInputHandler::wxStdCheckboxInputHandler(wxInputHandler *inphand)
- : wxStdButtonInputHandler(inphand)
+wxStdCheckboxInputHandler::wxStdCheckboxInputHandler(wxInputHandler *def)
+ : wxStdInputHandler(wxButton::GetStdInputHandler(def))
{
}
bool wxStdCheckboxInputHandler::HandleActivation(wxInputConsumer *consumer,
- bool activated)
+ bool WXUNUSED(activated))
{
// only the focused checkbox appearance changes when the app gains/loses
// activation
projects / wxWidgets.git / blobdiff