scroll.h

来自「模糊聚类的算法实现程序」· C头文件 代码 · 共 98 行

//**************************************************************
//*   filename: scroll.h                                       *
//*                                                            *
//**************************************************************
//* programmed by: Thomas Wagner                               *
//* last change:  (XXX: not updated)                           *
//**************************************************************
#include <stdio.h>
#include <stdlib.h>
#include <X11/Xlib.h>

class ScrollWindow;
class Scrollbar;

#ifndef SCROLL_H
#define SCROLL_H

#include "window.h"
#include "textbox.h"
#include "actionicon.h"

#define STATUS_SCROLLPRESSED  (1<<0)

#define SCROLL_BORDERWIDTH     2
#define SCROLL_ARROWSIZE      12
#define SCROLL_MINWIDTH       24
#define SCROLL_MINLENGTH       5

#define DEFAULT_SCROLLBARBDWIDTH 1

#define SCROLL_DEFAULT_OPTION           0
#define SCROLL_BORDER_OPTION        (1<<0)
#define SCROLL_COUNTERWINDOW_OPTION (1<<1)

enum SCROLL_ACTION {
  SCROLL_COUNTDOWN_ACTION,
  SCROLL_COUNTUP_ACTION,
  SCROLL_SETVALUE_ACTION
};

class ScrollWindow:
  public BigWindow
{
  BigWindow *parent;
  Pixmap pixmap;
  ActionIcon *Actionicon[2];
  TextBox *textbox;
  Scrollbar *scrollbar;
  int counter, minvalue, maxvalue;
  int actionnumber;
    public:
    ScrollWindow (Display * initdisplay,	// the display
		   GC initgc,	// the gc
		   BigWindow * Parentwindow,	// the parentwindow
		   XFontStruct * fontstruct,	// the fontstruct
		   short initx, short inity,	// X-Pos, Y-Pos
		   short initwidth, short initheight,	// width, height
		   int initminvalue, int initmaxvalue,
		  unsigned int options,
		  int initactionnumber);
    virtual ~ ScrollWindow ();
  virtual void HandleEvent (XEvent * Event);
  void Action (int value1, int value2);
  void SetValue (int newvalue);
  inline int GetMinValue () {
    return minvalue;
  } inline int GetMaxValue () {
    return maxvalue;
  } inline int GetValue () {
    return counter;
  } char SetMinMax (int min, int max);
};


class Scrollbar:
  public Window_Info
{
  friend class ScrollWindow;
  Pixmap pixmap_up, pixmap_down;
  int maxpixel, minpixel;
  ScrollWindow *parent;
    public:
    Scrollbar (Display * initdisplay,
	       GC initgc,
	       ScrollWindow * Parentwindow,
	       XFontStruct * fontstruct,
	       short initx,
	       short inity,
	       short initwidth,
	       short initheight);
    virtual ~ Scrollbar ();
  virtual void HandleEvent (XEvent * Event);
  void SetValue (int newvalue);
  void MinMaxChanged ();
};

#endif