wxWidgets/src/os2/stattext.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        stattext.cpp
// Purpose:     wxStaticText
// Author:      David Webster
// Modified by:
// Created:     10/17/99
// RCS-ID:      $Id$
// Copyright:   (c) David Webster
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

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

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

#ifndef WX_PRECOMP
#include "wx/event.h"
#include "wx/app.h"
#include "wx/brush.h"
#endif

#include "wx/stattext.h"
#include "wx/os2/private.h"
#include <stdio.h>

IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl)

bool wxStaticText::Create(wxWindow *parent, wxWindowID id,
           const wxString& label,
           const wxPoint& pos,
           const wxSize& size,
           long style,
           const wxString& name)
{
    SetName(name);
    if (parent) parent->AddChild(this);

    SetBackgroundColour(parent->GetBackgroundColour()) ;
    SetForegroundColour(parent->GetForegroundColour()) ;

    if ( id == -1 )
        m_windowId = (int)NewControlId();
    else
        m_windowId = id;

    int x = pos.x;
    int y = pos.y;
    int width = size.x;
    int height = size.y;

    m_windowStyle = style;

    // TODO
    SubclassWin(m_hWnd);

    SetFont(parent->GetFont());
    SetSize(x, y, width, height);

    return FALSE;
}

wxSize wxStaticText::DoGetBestSize() const
{
    wxString text(wxGetWindowText(GetHWND()));

    int widthTextMax = 0, widthLine,
        heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;

    wxString curLine;
    for ( const wxChar *pc = text; ; pc++ ) {
        if ( *pc == wxT('\n') || *pc == wxT('\0') ) {
            if ( !curLine ) {
                // we can't use GetTextExtent - it will return 0 for both width
                // and height and an empty line should count in height
                // calculation
                if ( !heightLineDefault )
                    heightLineDefault = heightLine;
                if ( !heightLineDefault )
                    GetTextExtent(_T("W"), NULL, &heightLineDefault);

                heightTextTotal += heightLineDefault;
            }
            else {
                GetTextExtent(curLine, &widthLine, &heightLine);
                if ( widthLine > widthTextMax )
                    widthTextMax = widthLine;
                heightTextTotal += heightLine;
            }

            if ( *pc == wxT('\n') ) {
               curLine.Empty();
            }
            else {
               // the end of string
               break;
            }
        }
        else {
            curLine += *pc;
        }
    }

    return wxSize(widthTextMax, heightTextTotal);
}

void wxStaticText::SetLabel(const wxString& label)
{
    // TODO

    // adjust the size of the window to fit to the label (this behaviour is
    // backward compatible and generally makes sense but we might want to still
    // provide the user a way to disable it) (VZ)
    DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
}

WXHBRUSH wxStaticText::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
      WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
{
    // TODO:
/*
    if (GetParent()->GetTransparentBackground())
        SetBkMode((HDC) pDC, TRANSPARENT);
    else
        SetBkMode((HDC) pDC, OPAQUE);

    ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
    ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));

    wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
    // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
    // has a zero usage count.
//  backgroundBrush->RealizeResource();
    return (WXHBRUSH) backgroundBrush->GetResourceHandle();
*/
    return (WXHBRUSH)0;
}

MRESULT wxStaticText::OS2WindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
{
  // Ensure that static items get messages. Some controls don't like this
  // message to be intercepted (e.g. RichEdit), hence the tests.
// TODO:
/*
  if (nMsg == WM_NCHITTEST)
    return (long)HTCLIENT;
*/
  return wxWindow::OS2WindowProc(nMsg, wParam, lParam);
}