kscreensaver/kdesavers/lines.h

   1 //-----------------------------------------------------------------------------
   2 //
   3 // klines 0.1.1 - Basic screen saver for KDE
   4 // by Dirk Staneker 1997
   5 // based on kpolygon 0.3 by Martin R. Jones 1996
   6 //
   7
   8 #ifndef __LINES_H__
   9 #define __LINES_H__
  10
  11 #include <qtimer.h>
  12 #include <qptrlist.h>
  13
  14 #include <kdialogbase.h>
  15 #include <krandomsequence.h>
  16 #include <kscreensaver.h>
  17
  18 class KColorButton;
  19
  20 class Lines{
  21         private:
  22         struct Ln{
  23                 Ln* next;
  24                 int x1, y1, x2, y2;
  25         };
  26         Ln *start, *end, *akt;
  27         int offx1, offy1, offx2, offy2;
  28         uint numLn;
  29         public:
  30         Lines(int);
  31         ~Lines();
  32         inline void reset();
  33         inline void getKoord(int&, int&, int&, int&);
  34         inline void setKoord(const int&, const int&, const int&, const int&);
  35         inline void next(void);
  36         void turn(const int&, const int&);
  37 };
  38
  39 class kLinesSaver:public KScreenSaver{
  40         Q_OBJECT
  41         public:
  42         kLinesSaver( WId id );
  43         virtual ~kLinesSaver();
  44
  45         void setLines(int len);
  46         void setSpeed(int spd);
  47         void setColor(const QColor&, const QColor&, const QColor&);
  48
  49         private:
  50         void readSettings();
  51         void blank();
  52         void initialiseLines();
  53         void initialiseColor();
  54
  55         protected slots:
  56         void slotTimeout();
  57
  58         protected:
  59         KRandomSequence rnd;
  60         QTimer timer;
  61         unsigned numLines;
  62         int colorContext, speed;
  63         QColor colors[64];
  64     QColor colstart, colmid, colend;
  65         double colscale;
  66         Lines* lines;
  67 };
  68
  69 class kLinesSetup : public KDialogBase{
  70         Q_OBJECT
  71         public:
  72         kLinesSetup(QWidget *parent=NULL, const char *name=NULL);
  73     ~kLinesSetup();
  74
  75         protected:
  76         void readSettings();
  77
  78         private slots:
  79         void slotLength(int);
  80         void slotSpeed(int);
  81         void slotColstart(const QColor &);
  82         void slotColmid(const QColor &);
  83         void slotColend(const QColor &);
  84         void slotOk();
  85         void slotHelp();
  86
  87         private:
  88         KColorButton *colorPush0, *colorPush1, *colorPush2;
  89         QWidget *preview;
  90         kLinesSaver *saver;
  91         int length, speed;
  92         QColor colstart, colmid, colend;
  93 };
  94
  95 #endif
  96