GLWDragger.cpp

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////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    Scorched3D 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 Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

#include <GLW/GLWDragger.h>
#include <GLEXT/GLState.h>
#include <common/Keyboard.h>
#include <common/ToolTip.h>
#include <client/ScorchedClient.h>
#include <tank/TankContainer.h>
#include <tank/TankState.h>
#include <tank/TankPosition.h>

REGISTER_CLASS_SOURCE(GLWDragger);

GLWDragger::GLWDragger(float x, float y, float w,  float range) :
        GLWidget(x, y, w, 20.0f), 
        range_(range),
        dragging_(false), handler_(0)
{

}

GLWDragger::~GLWDragger()
{

}

void GLWDragger::mouseDown(int button, float x, float y, bool &skipRest)
{
        if (inBox(x, y, x_, y_, w_, h_))
        {
                skipRest = true;
                dragging_ = true;
        }
}

void GLWDragger::mouseUp(int button, float x, float y, bool &skipRest)
{
        dragging_ = false;
}

void GLWDragger::mouseDrag(int button, float mx, float my, float x, float y, bool &skipRest)
{
        if (dragging_)
        {
                float rangeMult = 1.0f;
                unsigned int keyState = 
                        Keyboard::instance()->getKeyboardState();
                if (keyState & KMOD_LSHIFT) rangeMult = 0.5f;

                current_ += y /w_ * range_ * rangeMult;
                if (handler_) handler_->currentChanged(getId(), current_);

                skipRest = true;
        }
}

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