[Gcblue-commits] gcb_wx/src/graphics tcNumberWidget.cpp,NONE,1.1

[Dewitt C. <ddc...@us...>]

Update of /cvsroot/gcblue/gcb_wx/src/graphics
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv10691/src/graphics

Added Files:
	tcNumberWidget.cpp 
Log Message:


--- NEW FILE: tcNumberWidget.cpp ---
/**
**  @file tcNumberWidget.cpp
*/
/*  Copyright (C) 2004 Dewitt Colclough (de...@tw...)
**  All rights reserved.

**  This file is part of the Global Conflict Blue (GCB) program.
**  GCB is free software; you can redistribute it and/or modify
**  it under the terms of version 2 of the GNU General Public License as
**  published by the Free Software Foundation.

**  GCB is distributed in the hope that it will be useful,
**  but WITHOUT ANY WARRANTY; without even the implied warranty of
**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
**  GNU General Public License for more details.

**  You should have received a copy of the GNU General Public License
**  along with GCB; if not, write to the Free Software
**  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/


#include "stdwx.h" // precompiled header file

#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif

#include "tcNumberWidget.h"

#include <osg/Texture2D>
#include <osg/Vec4>

#include "wxcommands.h"
#include "tcSound.h"
#include "tcTime.h"
#include <iostream>

#ifdef _DEBUG
#define new DEBUG_NEW
#endif 




/**
* Drawing Graphics object is based on parent's window since
* button is sharing a surface with the parent.
* This also allows the button to draw outside of its wxWindow
* screen area.
*/
void tcNumberWidget::Draw()
{
    if (!mbActive) return;

    UpdateAutoChange();

    // non-image drawing
	osg::Vec4 backgroundColor;
    osg::Vec4 textColor;

    if (isMouseOver)
    {
        backgroundColor.set(0.1, 0.1, 0.1, backgroundAlpha);
        textColor.set(1, 1, 1, 1);
    }
    else
    {
        backgroundColor.set(0.0, 0.0, 0.0, backgroundAlpha);
        textColor.set(1, 1, 1, backgroundAlpha);
    }
    
	DrawRectangle(0, 0, mnWidth, mnHeight, backgroundColor, FILL_ON);
	DrawRectangle(0, 0, mnWidth, mnHeight, osg::Vec4(1, 1, 1, backgroundAlpha), FILL_OFF);

    float x = float(mnWidth) - 3.0f;
    float y = 0.5f * float(mnHeight);

    // draw caption to the left of the window area
    DrawText(caption.c_str(), -5.0f, y, defaultFont.get(), osg::Vec4(1, 1, 1, backgroundAlpha),
        fontSize, RIGHT_CENTER);

    wxString s = wxString::Format("%.0f", val);

	DrawText(s.c_str(), x, y, defaultFont.get(), textColor, fontSize, RIGHT_CENTER);

	HideUnusedObjects();
}



/**
*
*/
void tcNumberWidget::OnEnterWindow(wxMouseEvent& event)
{
    if (!isMouseOver)
    {
        tcSound::Get()->PlayEffect(soundEffect);
    }

    isMouseOver = true;

    if (sendRedraw)
    {
        SendRedraw();
    }
}

/**
*
*/
void tcNumberWidget::OnLButtonDown(wxMouseEvent& event)
{
    wxPoint pos = event.GetPosition();
    leftButtonDown = true;
    
    buttonDownTime = tcTime::Get()->Get30HzCount();


    bool upper = pos.y < mnHeight / 2;

    // measure could be done once per font size change instead
    wxSize numberSize;
    MeasureText(defaultFont.get(), fontSize, "8", numberSize);

    float digitIdx = floorf(float(mnWidth - pos.x - 2.0f) / float(numberSize.GetWidth()));
    if (digitIdx < 0) digitIdx = 0;
    else if (digitIdx > 3) digitIdx = 3;

    float increment = powf(10.0f, digitIdx);

    

    if (upper)
    {
        changeIncrement = increment;
    }
    else
    {
        changeIncrement = -increment;
    }

    SendRedraw();

    tcSound::Get()->PlayEffect(19);
}

/**
*
*/
void tcNumberWidget::OnLButtonUp(wxMouseEvent& event)
{
    // implement change for simple click on release of mouse
    if (!autoChange)
    {
        val += changeIncrement;
    }

    autoChange = false;
    changeIncrement = 0;
    leftButtonDown = false;

    SendRedraw();
}

/**
*
*/
void tcNumberWidget::OnLeaveWindow(wxMouseEvent& event)
{
    isMouseOver = false;
    leftButtonDown = false;

    if (sendRedraw)
    {
        SendRedraw();
    }

}

/**
*
*/
void tcNumberWidget::OnRButtonDown(wxMouseEvent& event)
{
    event.Skip();
}

/**
* Send ID_BUTTONREDRAW message to force parent redraw
*/
void tcNumberWidget::SendRedraw()
{
    wxCommandEvent cmd(wxEVT_COMMAND_BUTTON_CLICKED, ID_BUTTONREDRAW) ;    
    cmd.SetEventObject(this);
    AddPendingEvent(cmd);
}

/**
*
*/
void tcNumberWidget::SetBackgroundAlpha(float val)
{
    backgroundAlpha = val;
}

/**
*
*/
void tcNumberWidget::SetFontSize(float size)
{
    fontSize = size;
}

/**
*
*/
void tcNumberWidget::SetSendRedraw(bool state)
{
    sendRedraw = state;
}


/**
* Check if mouse button down long enough and
* periodically increment / decrement val if so
* Allows user to change value quickly by holding mouse
* button down.
*/
void tcNumberWidget::UpdateAutoChange()
{
    unsigned currentTime = tcTime::Get()->Get30HzCount();

    if (currentTime - buttonDownTime > 20)
    {
        autoChange = true;
    }

    if (autoChange)
    {
        val += changeIncrement;
    }
    if (val < 0) val = 0;
}

/**
*
*/
tcNumberWidget::tcNumberWidget(float& param, tc3DWindow *parent, const wxPoint& pos, const wxSize& size,
                   const wxString& name) :
    tc3DWindow(parent, pos, size, name, parent),
    val(param),
    sendRedraw(false),
    autoChange(false),
    changeIncrement(0),
    leftButtonDown(false),
    buttonDownTime(0)
{
    
    caption = "NULL";
    isMouseOver = false;
    soundEffect = -1;
    fontSize = 10.0f;
    backgroundAlpha = 1.0f;
	
}

tcNumberWidget::~tcNumberWidget()
{
#ifdef _DEBUG
    fprintf(stdout, "Destroying number widget\n");
#endif
}