Show GLWSlider.cpp syntax highlighted
////////////////////////////////////////////////////////////////////////////////
// Scorched3D (c) 2000-2003
//
// 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/GLWSlider.h>
#include <GLW/GLWFont.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(GLWSlider);
GLWSlider::GLWSlider(float x, float y, float w,
float min, float max, int marks) :
GLWidget(x, y, w, 20.0f),
min_(min), max_(max),
marks_(marks),
handler_(0)
{
setCurrent(min_);
}
GLWSlider::~GLWSlider()
{
}
void GLWSlider::draw()
{
glBegin(GL_LINE_LOOP);
drawBox(x_ - 4.0f, y_ + 8.0f, w_ + 12.0f, 4.0f, false);
glEnd();
glColor3f(0.0f, 0.0f, 0.0f);
glBegin(GL_LINES);
for (int i=0; i<=marks_; i++)
{
float dist = float(i) / float(marks_);
glVertex2f(x_ + w_ * dist, y_ + 12.0f);
glVertex2f(x_ + w_ * dist, y_ + 18.0f);
glVertex2f(x_ + w_ * dist, y_ + 2.0f);
glVertex2f(x_ + w_ * dist, y_ + 8.0f);
}
glEnd();
float dist = (current_ - min_) / max_;
glColor3f(0.8f, 0.8f, 1.0f);
glBegin(GL_QUADS);
glVertex2f(x_ + w_ * dist , y_);
glVertex2f(x_ + w_ * dist + 4.0f, y_);
glVertex2f(x_ + w_ * dist + 4.0f, y_ + 20.0f);
glVertex2f(x_ + w_ * dist, y_ + 20.0f);
glEnd();
glBegin(GL_LINE_LOOP);
drawBox(x_ + w_ * dist, y_, 4.0f, 20.0f, true);
glEnd();
}
void GLWSlider::setCurrent(float current)
{
current_ = current;
if (handler_) handler_->currentChanged(getId(), current_);
}
void GLWSlider::mouseDown(int button, float x, float y, bool &skipRest)
{
if (inBox(x, y, x_, y_, w_, h_))
{
skipRest = true;
float dist = (x - x_) / w_;
if (dist >= 0.0f && dist <= 1.0f)
{
setCurrent(((max_ - min_) * dist) + min_);
}
}
}
void GLWSlider::mouseUp(int button, float x, float y, bool &skipRest)
{
}
void GLWSlider::mouseDrag(int button, float mx, float my, float x, float y, bool &skipRest)
{
mouseDown(button, mx, my, skipRest);
}
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