src/client/GLW/GLWDragger.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/GLWDragger.h>
  22 #include <GLEXT/GLState.h>
  23 #include <common/Keyboard.h>
  24 #include <common/ToolTip.h>
  25 #include <client/ScorchedClient.h>
  26 #include <tank/TankContainer.h>
  27 #include <tank/TankState.h>
  28 #include <tank/TankPosition.h>
  29
  30 REGISTER_CLASS_SOURCE(GLWDragger);
  31
  32 GLWDragger::GLWDragger(float x, float y, float w,  float range) :
  33         GLWidget(x, y, w, 20.0f),
  34         range_(range),
  35         dragging_(false), handler_(0)
  36 {
  37
  38 }
  39
  40 GLWDragger::~GLWDragger()
  41 {
  42
  43 }
  44
  45 void GLWDragger::mouseDown(int button, float x, float y, bool &skipRest)
  46 {
  47         if (inBox(x, y, x_, y_, w_, h_))
  48         {
  49                 skipRest = true;
  50                 dragging_ = true;
  51         }
  52 }
  53
  54 void GLWDragger::mouseUp(int button, float x, float y, bool &skipRest)
  55 {
  56         dragging_ = false;
  57 }
  58
  59 void GLWDragger::mouseDrag(int button, float mx, float my, float x, float y, bool &skipRest)
  60 {
  61         if (dragging_)
  62         {
  63                 float rangeMult = 1.0f;
  64                 unsigned int keyState =
  65                         Keyboard::instance()->getKeyboardState();
  66                 if (keyState & KMOD_LSHIFT) rangeMult = 0.5f;
  67
  68                 current_ += y /w_ * range_ * rangeMult;
  69                 if (handler_) handler_->currentChanged(getId(), current_);
  70
  71                 skipRest = true;
  72         }
  73 }