kolf/slope.h

   1 /*
   2     Copyright (C) 2002-2005, Jason Katz-Brown <jasonkb@mit.edu>
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  17 */
  18
  19 #ifndef SLOPE_H
  20 #define SLOPE_H
  21
  22 #include "game.h"
  23 #include <QPixmap>
  24
  25 enum GradientType{ Vertical, Horizontal, Diagonal, CrossDiagonal, Elliptic };
  26
  27 class Slope;
  28 class SlopeConfig : public Config
  29 {
  30         Q_OBJECT
  31
  32 public:
  33         SlopeConfig(Slope *slope, QWidget *parent);
  34
  35 private slots:
  36         void setGradient(const QString &text);
  37         void setReversed(bool);
  38         void setStuckOnGround(bool);
  39         void gradeChanged(double);
  40
  41 private:
  42         Slope *slope;
  43 };
  44
  45 class Slope : public QGraphicsRectItem, public CanvasItem, public RectItem
  46 {
  47 public:
  48         Slope(const QRect &rect, QGraphicsItem *parent, QGraphicsScene *scene);
  49
  50         virtual void aboutToDie();
  51
  52         virtual void showInfo();
  53         virtual void hideInfo();
  54         void resize(double resizeFactor);
  55         void firstMove(int x, int y);
  56         virtual void editModeChanged(bool changed);
  57         virtual bool canBeMovedByOthers() const { return !stuckOnGround; }
  58         virtual QList<QGraphicsItem *> moveableItems() const;
  59         virtual Config *config(QWidget *parent) { return new SlopeConfig(this, parent); }
  60         virtual void setSize(double width, double height);
  61         virtual void newSize(double width, double height);
  62         virtual void moveBy(double dx, double dy);
  63
  64         virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem * option, QWidget * widget = 0 );
  65         virtual QPainterPath shape () const;
  66
  67         void setGradient(const QString &text);
  68         void setGrade(double grade);
  69
  70         double curGrade() const { return grade; }
  71         GradientType curType() const { return type; }
  72         void setColor(QColor color) { this->color = color; updatePixmap(); }
  73         void setReversed(bool reversed) { this->reversed = reversed; updatePixmap(); }
  74         bool isReversed() const { return reversed; }
  75
  76         bool isStuckOnGround() const { return stuckOnGround; }
  77         void setStuckOnGround(bool yes) { stuckOnGround = yes; updateZ(); }
  78
  79         virtual void load(KConfigGroup *cfgGroup);
  80         virtual void save(KConfigGroup *cfgGroup);
  81
  82         virtual bool collision(Ball *ball, long int id);
  83         virtual bool terrainCollisions() const;
  84
  85         QMap<GradientType, QString> gradientI18nKeys;
  86         QMap<GradientType, QString> gradientKeys;
  87
  88         virtual void updateZ(QGraphicsRectItem *vStrut = 0);
  89
  90         void moveArrow();
  91
  92         void updateBaseResizeInfo();
  93
  94         double width() const { return rect().width(); }
  95         double height() const { return rect().height(); }
  96
  97 private:
  98         GradientType type;
  99         inline void setType(GradientType type);
 100         bool showingInfo;
 101         double grade;
 102         bool reversed;
 103         QColor color;
 104         QPixmap pixmap;
 105         void updatePixmap();
 106         bool stuckOnGround;
 107         /*
 108          * base numbers are the size or position when no resizing has taken place (i.e. the defaults)
 109          */
 110         double baseX, baseY, baseWidth, baseHeight;
 111         double baseArrowPenThickness, arrowPenThickness;
 112         int baseFontPixelSize;
 113         double resizeFactor;
 114
 115         void clearArrows();
 116
 117         QList<Arrow *> arrows;
 118         QGraphicsSimpleTextItem *text;
 119         RectPoint *point;
 120 };
 121
 122 class SlopeObj : public Object
 123 {
 124 public:
 125         SlopeObj() { m_name = i18n("Slope"); m__name = "slope"; }
 126         virtual QGraphicsItem *newObject(QGraphicsItem * parent, QGraphicsScene *scene) { return new Slope(QRect(0, 0, 40, 40), parent, scene); }
 127 };
 128
 129 #endif