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checkbox.cpp

00001 /*      _______   __   __   __   ______   __   __   _______   __   __                 
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00006  * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /                    
00007  * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/                      
00008  *
00009  * Copyright (c) 2004, 2005 darkbits                        Js_./
00010  * Per Larsson a.k.a finalman                          _RqZ{a<^_aa
00011  * Olof Naessén a.k.a jansem/yakslem                _asww7!uY`>  )\a//
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00053  */
00054 
00055 /*
00056  * For comments regarding functions please see the header file. 
00057  */
00058 
00059 #include "guichan/widgets/checkbox.hpp"
00060 
00061 namespace gcn
00062 {
00063     
00064     CheckBox::CheckBox()
00065     {
00066         setMarked(false);
00067         
00068         setFocusable(true);
00069         addMouseListener(this);
00070         addKeyListener(this);
00071     }
00072     
00073     CheckBox::CheckBox(const std::string &caption, bool marked)
00074     {
00075         setCaption(caption);
00076         setMarked(marked);
00077 
00078         setFocusable(true);
00079         addMouseListener(this);
00080         addKeyListener(this);
00081 
00082         adjustSize();
00083     }
00084     
00085     void CheckBox::draw(Graphics* graphics)
00086     {
00087         drawBox(graphics);
00088 
00089         graphics->setFont(getFont());
00090         graphics->setColor(getForegroundColor());
00091 
00092         int h = getHeight() + getHeight() / 2;
00093 
00094         graphics->drawText(getCaption(), h - 2, 0);
00095 
00096         if (hasFocus())
00097         {        
00098             graphics->drawRectangle(Rectangle(h - 4, 0, getWidth() - h + 3, getHeight()));
00099         }        
00100     }
00101 
00102     void CheckBox::drawBorder(Graphics* graphics)
00103     {
00104         Color faceColor = getBaseColor();
00105         Color highlightColor, shadowColor;
00106         int alpha = getBaseColor().a;
00107         int width = getWidth() + getBorderSize() * 2 - 1;
00108         int height = getHeight() + getBorderSize() * 2 - 1;
00109         highlightColor = faceColor + 0x303030;
00110         highlightColor.a = alpha;
00111         shadowColor = faceColor - 0x303030;
00112         shadowColor.a = alpha;
00113         
00114         unsigned int i;
00115         for (i = 0; i < getBorderSize(); ++i)
00116         {
00117             graphics->setColor(shadowColor);
00118             graphics->drawLine(i,i, width - i, i);
00119             graphics->drawLine(i,i + 1, i, height - i - 1);
00120             graphics->setColor(highlightColor);
00121             graphics->drawLine(width - i,i + 1, width - i, height - i); 
00122             graphics->drawLine(i,height - i, width - i - 1, height - i); 
00123         }
00124     }
00125 
00126     void CheckBox::drawBox(Graphics *graphics)
00127     {
00128         int h = getHeight() - 1;
00129 
00130         int alpha = getBaseColor().a;
00131         Color faceColor = getBaseColor();
00132         faceColor.a = alpha;
00133         Color highlightColor = faceColor + 0x303030;
00134         highlightColor.a = alpha;
00135         Color shadowColor = faceColor - 0x303030;      
00136         shadowColor.a = alpha;
00137 
00138         graphics->setColor(shadowColor);
00139         graphics->drawLine(0, 0, h, 0);
00140         graphics->drawLine(0, 1, 0, h);
00141 
00142         graphics->setColor(highlightColor);
00143         graphics->drawLine(h, 1, h, h);
00144         graphics->drawLine(1, h, h - 1, h);
00145 
00146         graphics->setColor(getBackgroundColor());
00147         graphics->fillRectangle(Rectangle(1, 1, h - 1, h - 1));
00148 
00149         graphics->setColor(getForegroundColor());
00150     
00151         if (mMarked)
00152         {
00153             graphics->drawLine(3, 5, 3, h - 3);
00154             graphics->drawLine(4, 5, 4, h - 3);
00155             
00156              graphics->drawLine(5, h - 4, h - 2, 3);
00157              graphics->drawLine(5, h - 5, h - 4, 4);      
00158         }        
00159     }
00160   
00161     bool CheckBox::isMarked() const
00162     {
00163         return mMarked;        
00164     } 
00165     
00166     void CheckBox::setMarked(bool marked)
00167     {
00168         mMarked = marked;
00169     }
00170 
00171     const std::string &CheckBox::getCaption() const
00172     {
00173         return mCaption;
00174     }
00175 
00176     void CheckBox::setCaption(const std::string caption)
00177     {
00178         mCaption = caption;
00179     }
00180   
00181     void CheckBox::keyPress(const Key& key)
00182     {
00183         if (key.getValue() == Key::ENTER ||
00184             key.getValue() == Key::SPACE)
00185         {
00186             toggle();
00187         }
00188     }
00189   
00190     void CheckBox::mouseClick(int x, int y, int button, int count)
00191     {
00192         if (button == MouseInput::LEFT)
00193         {
00194             toggle();
00195         }
00196     }
00197   
00198     void CheckBox::adjustSize()
00199     {
00200         int height = getFont()->getHeight();
00201 
00202         setHeight(height);
00203         setWidth(getFont()->getWidth(mCaption) + height + height / 2);
00204     }
00205 
00206     void CheckBox::toggle()
00207     {
00208         mMarked = !mMarked;
00209         generateAction();
00210     }  
00211 }
00212 

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