src/ui-kde/palettewidget.cpp

   1 #include "palettewidget.h"
   2
   3 #include <QtGui/QGridLayout>
   4 #include <QtGui/QPainter>
   5 #include <QtGui/QPaintEvent>
   6 #include <QtGui/QColorDialog>
   7
   8 PaletteWidget::PaletteWidget(QWidget *parent) : QWidget(parent)
   9 {
  10   //QGridLayout *layout = new QGridLayout(this);
  11   palette = createTangoPalette();
  12   setMinimumSize(260, 30);
  13 }
  14
  15 void PaletteWidget::paintEvent(QPaintEvent *event)
  16 {
  17   QWidget::paintEvent(event);
  18   QPainter painter;
  19   painter.begin(this);
  20   painter.setPen(QPen(Qt::black));
  21
  22   int size = rect().height() / 3;
  23
  24   // Draw currently selected colors
  25   painter.setBrush(m_fgColor);
  26   QRect rect(size - 5, size * 0.5 - 5, size * 2 - 2, size * 2 - 2);
  27   painter.drawRect(rect);
  28   fgRect = rect;
  29   painter.setBrush(m_bgColor);
  30   rect = QRect(size + 5, size * 0.5 + 5, size * 2 - 2, size * 2 - 2);
  31   painter.drawRect(rect);
  32   bgRect = rect;
  33
  34   rect = QRect(6 * size, 0, 2 * size - 2, size - 2);
  35
  36   rectList.clear();
  37   for (int i = 0; i < palette.size(); i++)
  38   {
  39     painter.setBrush(QBrush(palette[i]));
  40     painter.drawRect(rect);
  41     rectList << rect;
  42     if (i % 3 == 2 && i != 0)
  43     {
  44       rect.translate(2 * size, -2 * size);
  45     }
  46     else
  47     {
  48       rect.translate(0, size);
  49     }
  50   }
  51   painter.setBrush(QBrush(Qt::black));
  52   QPen pen(QPen(QColor(115, 210,  22), 2, Qt::SolidLine));
  53   painter.setPen(pen);
  54
  55   if (m_penSize == 1)
  56     pen.setStyle(Qt::SolidLine);
  57   else
  58     pen.setStyle(Qt::NoPen);
  59   painter.setPen(pen);
  60   painter.drawRect(rect.left() + 8, 3, 4, 4);
  61
  62   if (m_penSize == 2)
  63     pen.setStyle(Qt::SolidLine);
  64   else
  65     pen.setStyle(Qt::NoPen);
  66   painter.setPen(pen);
  67   painter.drawRect(rect.left() + 7, 10, 6, 6);
  68
  69   if (m_penSize == 3)
  70     pen.setStyle(Qt::SolidLine);
  71   else
  72     pen.setStyle(Qt::NoPen);
  73   painter.setPen(pen);
  74   painter.drawRect(rect.left() + 6, 19, 8, 8);
  75   penSizeRect = QRect(rect.left() + 6, 0, 20, this->rect().height());
  76   painter.end();
  77 }
  78
  79 void PaletteWidget::mousePressEvent(QMouseEvent *event)
  80 {
  81   QColor color;
  82   if (event->buttons() & (Qt::LeftButton | Qt::RightButton))
  83   {
  84     if (fgRect.contains(event->pos()))
  85     {
  86       // Foreground color clicked
  87       if (event->buttons() & Qt::LeftButton)
  88       {
  89         color = QColorDialog::getColor(m_fgColor, this);
  90         if (color.isValid())
  91           setFgColor(color);
  92       }
  93     }
  94     else if (bgRect.contains(event->pos()))
  95     {
  96       // Background color clicked
  97       if (event->buttons() & Qt::LeftButton)
  98       {
  99         color = QColorDialog::getColor(m_bgColor, this);
 100         if (color.isValid())
 101           setBgColor(color);
 102       }
 103     }
 104     else if (penSizeRect.contains(event->pos()))
 105     {
 106       // Pen size selection clicked
 107       if (event->buttons() & Qt::LeftButton)
 108       {
 109         if (event->y() < 7)
 110           setPenSize(1);
 111         else if (event->y() < 16)
 112           setPenSize(2);
 113         else
 114           setPenSize(3);
 115       }
 116     }
 117     else
 118     {
 119       for (int i = 0; i < rectList.size(); i++)
 120       {
 121         if (rectList[i].contains(event->pos()))
 122         {
 123           // Some color clicked
 124           if (event->buttons() & Qt::LeftButton)
 125           {
 126             setFgColor(palette[i]);
 127           }
 128           if (event->buttons() & Qt::RightButton)
 129           {
 130             setBgColor(palette[i]);
 131           }
 132           return;
 133         }
 134       }
 135     }
 136   }
 137 }
 138
 139 void PaletteWidget::setFgColor(const QColor &c)
 140 {
 141   m_fgColor = c;
 142   update();
 143   emit fgColorChanged(c);
 144 }
 145
 146 void PaletteWidget::setBgColor(const QColor &c)
 147 {
 148   m_bgColor = c;
 149   update();
 150   emit bgColorChanged(c);
 151 }
 152
 153 void PaletteWidget::setPenSize(int size)
 154 {
 155   m_penSize = size;
 156   update();
 157   emit penSizeChanged(size);
 158 }
 159
 160 QList<QColor> PaletteWidget::createTangoPalette()
 161 {
 162   QList<QColor> l;
 163   l<<QColor(255, 255, 255) // White
 164   << QColor(  0,   0,   0) // Black
 165   << Qt::transparent       // Transparent
 166   << QColor(252, 233,  79) //   Butter 1
 167   << QColor(237, 212,   0) //   Butter 2
 168   << QColor(196, 160,   0) //   Butter 3
 169   << QColor(138, 226,  52) //   Chameleon 1
 170   << QColor(115, 210,  22) //   Chameleon 2
 171   << QColor( 78, 154,   6) //   Chameleon 3
 172   << QColor(252, 175,  62) //   Orange 1
 173   << QColor(245, 121,   0) //   Orange 2
 174   << QColor(206,  92,   0) //   Orange 3
 175   << QColor(114, 159, 207) //   Sky Blue 1
 176   << QColor( 52, 101, 164) //   Sky Blue 2
 177   << QColor( 32,  74, 135) //   Sky Blue 3
 178   << QColor(173, 127, 168) //   Plum 1
 179   << QColor(117,  80, 123) //   Plum 2
 180   << QColor( 92,  53, 102) //   Plum 3
 181   << QColor(233, 185, 110) //   Chocolate 1
 182   << QColor(193, 125,  17) //   Chocolate 2
 183   << QColor(143,  89,   2) //   Chocolate 3
 184   << QColor(239,  41,  41) //   Scarlet Red 1
 185   << QColor(204,   0,   0) //   Scarlet Red 2
 186   << QColor(164,   0,   0) //   Scarlet Red 3
 187   << QColor(238, 238, 236) //   Aluminium 1
 188   << QColor(211, 215, 207) //   Aluminium 2
 189   << QColor(186, 189, 182) //   Aluminium 3
 190   << QColor(136, 138, 133) //   Aluminium 4
 191   << QColor( 85,  87,  83) //   Aluminium 5
 192   << QColor( 46,  52,  54);//   Aluminium 6
 193   return l;
 194 }