checkbox.cpp

00001 /*      _______   __   __   __   ______   __   __   _______   __   __
00002  *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
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00007  * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
00008  *
00009  * Copyright (c) 2004, 2005, 2006 Olof Naessén and Per Larsson
00010  *
00011  *                                                         Js_./
00012  * Per Larsson a.k.a finalman                          _RqZ{a<^_aa
00013  * Olof Naessén a.k.a jansem/yakslem                _asww7!uY`>  )\a//
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00056 
00057 /*
00058  * For comments regarding functions please see the header file.
00059  */
00060 
00061 #include "guichan/widgets/checkbox.hpp"
00062 
00063 #include "guichan/font.hpp"
00064 #include "guichan/graphics.hpp"
00065 #include "guichan/key.hpp"
00066 #include "guichan/mouseinput.hpp"
00067 
00068 namespace gcn
00069 {
00070 
00071     CheckBox::CheckBox()
00072     {
00073         setMarked(false);
00074 
00075         setFocusable(true);
00076         addMouseListener(this);
00077         addKeyListener(this);
00078     }
00079 
00080     CheckBox::CheckBox(const std::string &caption, bool marked)
00081     {
00082         setCaption(caption);
00083         setMarked(marked);
00084 
00085         setFocusable(true);
00086         addMouseListener(this);
00087         addKeyListener(this);
00088 
00089         adjustSize();
00090     }
00091 
00092     void CheckBox::draw(Graphics* graphics)
00093     {
00094         drawBox(graphics);
00095 
00096         graphics->setFont(getFont());
00097         graphics->setColor(getForegroundColor());
00098 
00099         int h = getHeight() + getHeight() / 2;
00100 
00101         graphics->drawText(getCaption(), h - 2, 0);
00102 
00103         if (isFocused())
00104         {
00105             graphics->drawRectangle(Rectangle(h - 4, 0, getWidth() - h + 3, getHeight()));
00106         }
00107     }
00108 
00109     void CheckBox::drawBorder(Graphics* graphics)
00110     {
00111         Color faceColor = getBaseColor();
00112         Color highlightColor, shadowColor;
00113         int alpha = getBaseColor().a;
00114         int width = getWidth() + getBorderSize() * 2 - 1;
00115         int height = getHeight() + getBorderSize() * 2 - 1;
00116         highlightColor = faceColor + 0x303030;
00117         highlightColor.a = alpha;
00118         shadowColor = faceColor - 0x303030;
00119         shadowColor.a = alpha;
00120 
00121         unsigned int i;
00122         for (i = 0; i < getBorderSize(); ++i)
00123         {
00124             graphics->setColor(shadowColor);
00125             graphics->drawLine(i,i, width - i, i);
00126             graphics->drawLine(i,i + 1, i, height - i - 1);
00127             graphics->setColor(highlightColor);
00128             graphics->drawLine(width - i,i + 1, width - i, height - i);
00129             graphics->drawLine(i,height - i, width - i - 1, height - i);
00130         }
00131     }
00132 
00133     void CheckBox::drawBox(Graphics *graphics)
00134     {
00135         int h = getHeight() - 1;
00136 
00137         int alpha = getBaseColor().a;
00138         Color faceColor = getBaseColor();
00139         faceColor.a = alpha;
00140         Color highlightColor = faceColor + 0x303030;
00141         highlightColor.a = alpha;
00142         Color shadowColor = faceColor - 0x303030;
00143         shadowColor.a = alpha;
00144 
00145         graphics->setColor(shadowColor);
00146         graphics->drawLine(0, 0, h, 0);
00147         graphics->drawLine(0, 1, 0, h);
00148 
00149         graphics->setColor(highlightColor);
00150         graphics->drawLine(h, 1, h, h);
00151         graphics->drawLine(1, h, h - 1, h);
00152 
00153         graphics->setColor(getBackgroundColor());
00154         graphics->fillRectangle(Rectangle(1, 1, h - 1, h - 1));
00155 
00156         graphics->setColor(getForegroundColor());
00157 
00158         if (mMarked)
00159         {
00160             graphics->drawLine(3, 5, 3, h - 3);
00161             graphics->drawLine(4, 5, 4, h - 3);
00162 
00163              graphics->drawLine(5, h - 4, h - 2, 3);
00164              graphics->drawLine(5, h - 5, h - 4, 4);
00165         }
00166     }
00167 
00168     bool CheckBox::isMarked() const
00169     {
00170         return mMarked;
00171     }
00172 
00173     void CheckBox::setMarked(bool marked)
00174     {
00175         mMarked = marked;
00176     }
00177 
00178     const std::string &CheckBox::getCaption() const
00179     {
00180         return mCaption;
00181     }
00182 
00183     void CheckBox::setCaption(const std::string& caption)
00184     {
00185         mCaption = caption;
00186     }
00187 
00188     void CheckBox::keyPress(const Key& key)
00189     {
00190         if (key.getValue() == Key::ENTER ||
00191             key.getValue() == Key::SPACE)
00192         {
00193             toggle();
00194         }
00195     }
00196 
00197     void CheckBox::mouseClick(int x, int y, int button, int count)
00198     {
00199         if (button == MouseInput::LEFT)
00200         {
00201             toggle();
00202         }
00203     }
00204 
00205     void CheckBox::adjustSize()
00206     {
00207         int height = getFont()->getHeight();
00208 
00209         setHeight(height);
00210         setWidth(getFont()->getWidth(mCaption) + height + height / 2);
00211     }
00212 
00213     void CheckBox::toggle()
00214     {
00215         mMarked = !mMarked;
00216         generateAction();
00217     }
00218 }
00219 

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