Added wxYieldIfNeeded

[wxWidgets.git] / src / msw / settings.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        settings.cpp
// Purpose:     wxSettings
// Author:      Julian Smart
// Modified by:
// Created:     04/01/98
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart and Markus Holzem
// Licence:     wxWindows license
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation "settings.h"
#endif

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

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#ifndef WX_PRECOMP
#include <stdio.h>
#include "wx/defs.h"
#include "wx/pen.h"
#include "wx/brush.h"
#include "wx/gdicmn.h"
#endif

#include "wx/settings.h"
#include "wx/window.h"
#include "wx/msw/private.h"

// TODO: see ::SystemParametersInfo for all sorts of Windows settings.
// Different args are required depending on the id. How does this differ
// from GetSystemMetric, and should it? Perhaps call it GetSystemParameter
// and pass an optional void* arg to get further info.
// Should also have SetSystemParameter.
// Also implement WM_WININICHANGE (NT) / WM_SETTINGCHANGE (Win95)

wxColour wxSystemSettings::GetSystemColour(int index)
{
    switch (index)
    {
        case wxSYS_COLOUR_LISTBOX:
            return *wxWHITE;
            break;
    
        default:
            COLORREF ref = ::GetSysColor(index);
            wxColour col(GetRValue(ref), GetGValue(ref), GetBValue(ref));
            return col;
			break;
    }
}

wxFont wxSystemSettings::GetSystemFont(int index)
{
    HFONT hFont = (HFONT) ::GetStockObject(index);
    if ( hFont != (HFONT) NULL )
    {
        LOGFONT lf;
        if ( ::GetObject(hFont, sizeof(LOGFONT), &lf) != 0 )
        {
            // In fontdlg.cpp
            return wxCreateFontFromLogFont(&lf);
        }
        else
        {
            return wxNullFont;
        }
    }
    else
    {
        return wxNullFont;
    }
}

// Get a system metric, e.g. scrollbar size
int wxSystemSettings::GetSystemMetric(int index)
{
    switch ( index)
    {
#ifdef __WIN32__
        case wxSYS_MOUSE_BUTTONS:
            return ::GetSystemMetrics(SM_CMOUSEBUTTONS);
#endif

        case wxSYS_BORDER_X:
            return ::GetSystemMetrics(SM_CXBORDER);
        case wxSYS_BORDER_Y:
            return ::GetSystemMetrics(SM_CYBORDER);
        case wxSYS_CURSOR_X:
            return ::GetSystemMetrics(SM_CXCURSOR);
        case wxSYS_CURSOR_Y:
            return ::GetSystemMetrics(SM_CYCURSOR);
        case wxSYS_DCLICK_X:
            return ::GetSystemMetrics(SM_CXDOUBLECLK);
        case wxSYS_DCLICK_Y:
            return ::GetSystemMetrics(SM_CYDOUBLECLK);
#if defined(__WIN32__) && defined(SM_CXDRAG)
        case wxSYS_DRAG_X:
            return ::GetSystemMetrics(SM_CXDRAG);
        case wxSYS_DRAG_Y:
            return ::GetSystemMetrics(SM_CYDRAG);
        case wxSYS_EDGE_X:
            return ::GetSystemMetrics(SM_CXEDGE);
        case wxSYS_EDGE_Y:
            return ::GetSystemMetrics(SM_CYEDGE);
#endif
        case wxSYS_HSCROLL_ARROW_X:
            return ::GetSystemMetrics(SM_CXHSCROLL);
        case wxSYS_HSCROLL_ARROW_Y:
            return ::GetSystemMetrics(SM_CYHSCROLL);
        case wxSYS_HTHUMB_X:
            return ::GetSystemMetrics(SM_CXHTHUMB);
        case wxSYS_ICON_X:
            return ::GetSystemMetrics(SM_CXICON);
        case wxSYS_ICON_Y:
            return ::GetSystemMetrics(SM_CYICON);
        case wxSYS_ICONSPACING_X:
            return ::GetSystemMetrics(SM_CXICONSPACING);
        case wxSYS_ICONSPACING_Y:
            return ::GetSystemMetrics(SM_CYICONSPACING);
        case wxSYS_WINDOWMIN_X:
            return ::GetSystemMetrics(SM_CXMIN);
        case wxSYS_WINDOWMIN_Y:
            return ::GetSystemMetrics(SM_CYMIN);
        case wxSYS_SCREEN_X:
            return ::GetSystemMetrics(SM_CXSCREEN);
        case wxSYS_SCREEN_Y:
            return ::GetSystemMetrics(SM_CYSCREEN);

#if defined(__WIN32__) && defined(SM_CXSIZEFRAME)
        case wxSYS_FRAMESIZE_X:
            return ::GetSystemMetrics(SM_CXSIZEFRAME);
        case wxSYS_FRAMESIZE_Y:
            return ::GetSystemMetrics(SM_CYSIZEFRAME);
        case wxSYS_SMALLICON_X:
            return ::GetSystemMetrics(SM_CXSMICON);
        case wxSYS_SMALLICON_Y:
            return ::GetSystemMetrics(SM_CYSMICON);
#endif
        case wxSYS_HSCROLL_Y:
            return ::GetSystemMetrics(SM_CYHSCROLL);
        case wxSYS_VSCROLL_X:
            return ::GetSystemMetrics(SM_CXVSCROLL);
        case wxSYS_VSCROLL_ARROW_X:
            return ::GetSystemMetrics(SM_CXVSCROLL);
        case wxSYS_VSCROLL_ARROW_Y:
            return ::GetSystemMetrics(SM_CYVSCROLL);
        case wxSYS_VTHUMB_Y:
            return ::GetSystemMetrics(SM_CYVTHUMB);
        case wxSYS_CAPTION_Y:
            return ::GetSystemMetrics(SM_CYCAPTION);
        case wxSYS_MENU_Y:
            return ::GetSystemMetrics(SM_CYMENU);
#if defined(__WIN32__) && defined(SM_NETWORK)
        case wxSYS_NETWORK_PRESENT:
            return ::GetSystemMetrics(SM_NETWORK) & 0x0001;
#endif
        case wxSYS_PENWINDOWS_PRESENT:
            return ::GetSystemMetrics(SM_PENWINDOWS);
#if defined(__WIN32__) && defined(SM_SHOWSOUNDS)
        case wxSYS_SHOW_SOUNDS:
            return ::GetSystemMetrics(SM_SHOWSOUNDS);
#endif
        case wxSYS_SWAP_BUTTONS:
            return ::GetSystemMetrics(SM_SWAPBUTTON);
        default:
            return 0;
    }
}