IsEmpty to empty change, warning fix to OW, whitespaces cleaning.

[wxWidgets.git] / src / palmos / control.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        palmos/control.cpp
// Purpose:     wxControl class
// Author:      William Osborne
// Modified by:
// Created:     10/13/04
// RCS-ID:      $Id: 
// Copyright:   (c) William Osborne
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
    #pragma implementation "control.h"
#endif

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#if wxUSE_CONTROLS

#ifndef WX_PRECOMP
    #include "wx/event.h"
    #include "wx/app.h"
    #include "wx/dcclient.h"
    #include "wx/log.h"
    #include "wx/settings.h"
#endif

#include "wx/control.h"

// ----------------------------------------------------------------------------
// wxWin macros
// ----------------------------------------------------------------------------

IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)

BEGIN_EVENT_TABLE(wxControl, wxWindow)
    EVT_ERASE_BACKGROUND(wxControl::OnEraseBackground)
END_EVENT_TABLE()

// ============================================================================
// wxControl implementation
// ============================================================================

// ----------------------------------------------------------------------------
// wxControl ctor/dtor
// ----------------------------------------------------------------------------

wxControl::~wxControl()
{
    m_isBeingDeleted = TRUE;
}

// ----------------------------------------------------------------------------
// control window creation
// ----------------------------------------------------------------------------

bool wxControl::Create(wxWindow *parent,
                       wxWindowID id,
                       const wxPoint& pos,
                       const wxSize& size,
                       long style,
                       const wxValidator& wxVALIDATOR_PARAM(validator),
                       const wxString& name)
{
    if ( !wxWindow::Create(parent, id, pos, size, style, name) )
        return FALSE;

#if wxUSE_VALIDATORS
    SetValidator(validator);
#endif

    return TRUE;
}

bool wxControl::MSWCreateControl(const wxChar *classname,
                                 const wxString& label,
                                 const wxPoint& pos,
                                 const wxSize& size)
{
    WXDWORD exstyle;
    WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), &exstyle);

    return MSWCreateControl(classname, msStyle, pos, size, label, exstyle);
}

bool wxControl::MSWCreateControl(const wxChar *classname,
                                 WXDWORD style,
                                 const wxPoint& pos,
                                 const wxSize& size,
                                 const wxString& label,
                                 WXDWORD exstyle)
{
    return TRUE;
}

// ----------------------------------------------------------------------------
// various accessors
// ----------------------------------------------------------------------------

wxBorder wxControl::GetDefaultBorder() const
{
    // we want to automatically give controls a sunken style (confusingly,
    // it may not really mean sunken at all as we map it to WS_EX_CLIENTEDGE
    // which is not sunken at all under Windows XP -- rather, just the default)
    return wxBORDER_SUNKEN;
}

WXDWORD wxControl::MSWGetStyle(long style, WXDWORD *exstyle) const
{
    return 0;
}

wxSize wxControl::DoGetBestSize() const
{
    return wxSize(16, 16);
}

/* static */ wxVisualAttributes
wxControl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
{
    wxVisualAttributes attrs;

    // old school (i.e. not "common") controls use the standard dialog font
    // by default
    attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);

    // most, or at least many, of the controls use the same colours as the
    // buttons -- others will have to override this (and possibly simply call
    // GetCompositeControlsDefaultAttributes() from their versions)
    attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNTEXT);
    attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);

    return attrs;
}

// another version for the "composite", i.e. non simple controls
/* static */ wxVisualAttributes
wxControl::GetCompositeControlsDefaultAttributes(wxWindowVariant WXUNUSED(variant))
{
    wxVisualAttributes attrs;
    attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
    attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
    attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);

    return attrs;
}

// ----------------------------------------------------------------------------
// message handling
// ----------------------------------------------------------------------------

bool wxControl::ProcessCommand(wxCommandEvent& event)
{
    return GetEventHandler()->ProcessEvent(event);
}

#ifdef __WIN95__
bool wxControl::MSWOnNotify(int idCtrl,
                            WXLPARAM lParam,
                            WXLPARAM* result)
{
}
#endif // Win95

void wxControl::OnEraseBackground(wxEraseEvent& event)
{
}

WXHBRUSH wxControl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
#if wxUSE_CTL3D
                               WXUINT message,
                               WXWPARAM wParam,
                               WXLPARAM lParam
#else
                               WXUINT WXUNUSED(message),
                               WXWPARAM WXUNUSED(wParam),
                               WXLPARAM WXUNUSED(lParam)
#endif
    )
{
    return (WXHBRUSH)0;
}

// ---------------------------------------------------------------------------
// global functions
// ---------------------------------------------------------------------------

#endif // wxUSE_CONTROLS