src/client/GLW/GLWSlider.cpp

   1 ////////////////////////////////////////////////////////////////////////////////
   2 //    Scorched3D (c) 2000-2009
   3 //
   4 //    This file is part of Scorched3D.
   5 //
   6 //    Scorched3D is free software; you can redistribute it and/or modify
   7 //    it under the terms of the GNU General Public License as published by
   8 //    the Free Software Foundation; either version 2 of the License, or
   9 //    (at your option) any later version.
  10 //
  11 //    Scorched3D is distributed in the hope that it will be useful,
  12 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 //    GNU General Public License for more details.
  15 //
  16 //    You should have received a copy of the GNU General Public License
  17 //    along with Scorched3D; if not, write to the Free Software
  18 //    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 ////////////////////////////////////////////////////////////////////////////////
  20
  21 #include <GLW/GLWSlider.h>
  22 #include <GLW/GLWFont.h>
  23 #include <GLEXT/GLState.h>
  24 #include <common/Keyboard.h>
  25 #include <common/ToolTip.h>
  26 #include <client/ScorchedClient.h>
  27 #include <tank/TankContainer.h>
  28 #include <tank/TankState.h>
  29 #include <tank/TankPosition.h>
  30
  31 REGISTER_CLASS_SOURCE(GLWSlider);
  32
  33 GLWSlider::GLWSlider(float x, float y, float w,
  34         float min, float max, int marks) :
  35         GLWidget(x, y, w, 20.0f),
  36         min_(min), max_(max),
  37         marks_(marks),
  38         handler_(0)
  39 {
  40         setCurrent(min_);
  41 }
  42
  43 GLWSlider::~GLWSlider()
  44 {
  45
  46 }
  47
  48 void GLWSlider::draw()
  49 {
  50         glBegin(GL_LINE_LOOP);
  51                 drawBox(x_ - 4.0f, y_ + 8.0f, w_ + 12.0f, 4.0f, false);
  52         glEnd();
  53
  54         glColor3f(0.0f, 0.0f, 0.0f);
  55         glBegin(GL_LINES);
  56         for (int i=0; i<=marks_; i++)
  57         {
  58                 float dist = float(i) / float(marks_);
  59                 glVertex2f(x_ + w_ * dist, y_ + 12.0f);
  60                 glVertex2f(x_ + w_ * dist, y_ + 18.0f);
  61
  62                 glVertex2f(x_ + w_ * dist, y_ + 2.0f);
  63                 glVertex2f(x_ + w_ * dist, y_ + 8.0f);
  64         }
  65         glEnd();
  66
  67         float dist = (current_ - min_) / max_;
  68         glColor3f(0.8f, 0.8f, 1.0f);
  69         glBegin(GL_QUADS);
  70                 glVertex2f(x_ + w_ * dist , y_);
  71                 glVertex2f(x_ + w_ * dist + 4.0f, y_);
  72                 glVertex2f(x_ + w_ * dist + 4.0f, y_ + 20.0f);
  73                 glVertex2f(x_ + w_ * dist, y_ + 20.0f);
  74         glEnd();
  75         glBegin(GL_LINE_LOOP);
  76                 drawBox(x_ + w_ * dist, y_, 4.0f, 20.0f, true);
  77         glEnd();
  78 }
  79
  80 void GLWSlider::setCurrent(float current)
  81 {
  82         current_ = current;
  83         if (handler_) handler_->currentChanged(getId(), current_);
  84 }
  85
  86 void GLWSlider::mouseDown(int button, float x, float y, bool &skipRest)
  87 {
  88         if (inBox(x, y, x_, y_, w_, h_))
  89         {
  90                 skipRest = true;
  91
  92                 float dist = (x - x_) / w_;
  93                 if (dist >= 0.0f && dist <= 1.0f)
  94                 {
  95                         setCurrent(((max_ - min_) * dist) + min_);
  96                 }
  97         }
  98 }
  99
 100 void GLWSlider::mouseUp(int button, float x, float y, bool &skipRest)
 101 {
 102 }
 103
 104 void GLWSlider::mouseDrag(int button, float mx, float my, float x, float y, bool &skipRest)
 105 {
 106         mouseDown(button, mx, my, skipRest);
 107 }