bovo/gui/mark.cc

   1 /*******************************************************************
   2 *
   3 * This file is part of the KDE project "Bovo"
   4 *
   5 * Bovo is free software; you can redistribute it and/or modify
   6 * it under the terms of the GNU General Public License as published by
   7 * the Free Software Foundation; either version 2, or (at your option)
   8 * any later version.
   9 *
  10 * Bovo is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with Bovo; see the file COPYING.  If not, write to
  17 * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  18 * Boston, MA 02110-1301, USA.
  19 *
  20 ********************************************************************/
  21
  22 #include "mark.h"
  23
  24 #include <QtCore/QTimer>
  25 #include <QtGui/QColor>
  26 #include <QtGui/QPainter>
  27 #include <QtSvg/QSvgRenderer>
  28
  29 #include "common.h"
  30 #include "coord.h"
  31 #include "move.h"
  32 #include "scene.h"
  33
  34 using namespace bovo;
  35
  36 namespace gui {
  37
  38 Mark::Mark(Scene* scene, const Move& move, bool animate, qreal fill) : QGraphicsSvgItem(),
  39   m_scene(scene), m_row(move.y()), m_col(move.x()), m_fill(fill) {
  40     m_sizeShrink = 1.0/12.0; //1.0/(qrand()%5+7.0);
  41     setElementId(QString(move.player() == X ? "x%1" : "o%1")
  42             .arg(QString::number(qrand() % 5 + 1)));
  43     m_tick = 20;
  44     m_ticker = 0;
  45     if (animate) {
  46         m_ticker = new QTimer(this);
  47         m_opacity = 0.0;
  48         connect(m_ticker, SIGNAL(timeout()), this, SLOT(tick()));
  49         m_ticker->start(30);
  50     } else {
  51         m_opacity = 1.0;
  52     }
  53
  54     setPos(m_scene->cellCenter(m_col, m_row));
  55 }
  56
  57 Mark::~Mark() {
  58     if (m_ticker) {
  59         disconnect(m_ticker, SIGNAL(timeout()), this, SLOT(tick()));
  60         m_ticker->stop();
  61         m_ticker->deleteLater();
  62     }
  63 }
  64
  65 QRectF Mark::boundingRect() const {
  66     qreal width = m_scene->squareSize();
  67     qreal height = width;
  68     qreal margin = (1.0-m_fill) * width / 2.0;
  69     return QRectF( -width / 2.0  + margin,
  70                 -height / 2.0 + margin,
  71                 width  - 2.0*margin,
  72                 height - 2.0*margin);
  73 }
  74
  75 void Mark::killAnimation() {
  76     if (m_ticker != 0) {
  77         m_ticker->stop();
  78         disconnect(m_ticker, 0, this, 0);
  79         m_ticker->deleteLater();
  80         m_ticker = 0;
  81         m_opacity = 1.0;
  82         update();
  83     }
  84 }
  85
  86 void Mark::kill() {
  87     if (m_ticker) {
  88         disconnect(m_ticker, SIGNAL(timeout()), this, SLOT(tick()));
  89         m_ticker->stop();
  90     } else {
  91         m_ticker = new QTimer(this);
  92     }
  93     connect(m_ticker, SIGNAL(timeout()), this, SLOT(killTick()));
  94     m_ticker->start(30);
  95 }
  96
  97 void Mark::killTick() {
  98     m_opacity -= 0.1;
  99     update();
 100     if (m_opacity <= 0.1) {
 101         m_ticker->stop();
 102         emit killed(this);
 103     }
 104 }
 105
 106 void Mark::tick() {
 107     --m_tick;
 108     if (m_tick == 0) {
 109         killAnimation();
 110     } else {
 111         m_opacity += 0.1;
 112         update();
 113     }
 114 }
 115
 116 void Mark::paint(QPainter *p, const QStyleOptionGraphicsItem*, QWidget*) {
 117     p->setOpacity(m_opacity);
 118     renderer()->render(p, elementId(), boundingRect());
 119 }
 120
 121 void Mark::setFill(qreal fill) {
 122     m_fill = fill;
 123     prepareGeometryChange();
 124 }
 125
 126 usi Mark::col() const {
 127     return m_col;
 128 }
 129
 130 usi Mark::row() const {
 131     return m_row;
 132 }
 133
 134 } /* namespace gui */
 135
 136 #include "mark.moc"