onofficon.cc

模糊聚类的算法实现程序

//**************************************************************
//*   filename: onofficon.cc                                   *
//*                                                            *
//**************************************************************
//* programmed by: Thomas Wagner                               *
//* last change: 15-05-95                                      *
//**************************************************************
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "onofficon.h"

extern unsigned long
  buttonpix, whitepix, blackpix, shadowpix, lightpix, selectpix, redpix;
extern Cursor movestartcursor, moveendcursor, delconnectcursor, maincursor,
  waitcursor, createstartcursor;


OnOffIcon::OnOffIcon (Display * initdisplay,
	   GC initgc,
	   BigWindow * initParentWindow,
	   XFontStruct * fontstruct,
	   int initx, int inity, int initwidth, int initheight,
	   char *inittext,
	   char *bmptext,
	   short bmpwidth, short bmpheight,
	   int initactionnumber,
	   unsigned short initstatus):
Icon (initdisplay,
      initgc,
      initParentWindow->GetWindow (),
      fontstruct,
      initx, inity,
      initwidth, initheight,
      inittext,
      bmptext,
      bmpwidth, bmpheight,
      ONOFFICON_BDWIDTH,
      initstatus)
{
  actionnumber = initactionnumber;
  ParentWindow = initParentWindow;

  if (status & ICON_LIGHTICON) {
    XSetForeground (display, gc, buttonpix);
    XFillRectangle (display, pixmap_up, gc, 0, 0, width, height);
    XFillRectangle (display, pixmap_down, gc, 0, 0, width, height);

    DrawBorder (pixmap_up, LOW);
    DrawBorder (pixmap_down, LOW);

    XSetForeground (display, gc, blackpix);
    XFillRectangle (display, pixmap_up, gc, 1, 1, width - 2, height - 2);
    XSetForeground (display, gc, redpix);
    XFillRectangle (display, pixmap_down, gc, 1, 1, width - 2, height - 2);

    SetBorderColor (buttonpix);
  } else {
    short textx, texty;
    textx = (int) ((width - XTextWidth (fontstruct, text, strlen (text))) * .5);
    texty = (int) ((height + fontstruct->max_bounds.ascent +
     fontstruct->max_bounds.descent) * .5 - fontstruct->max_bounds.descent);

    XSetForeground (display, gc, buttonpix);
    XSetBackground (display, gc, buttonpix);
    XFillRectangle (display, pixmap_up, gc, 0, 0, width, height);
    XFillRectangle (display, pixmap_down, gc, 0, 0, width, height);

    DrawBorder (pixmap_up, 0, 0,
		width, height, textx, texty, text, HIGH);
    DrawBorder (pixmap_down, 0, 0,
		width, height, textx, texty, text, LOW);
  }
  if (bmp != 0) {
    if (status & ICON_SELECTABLE)
      XSetForeground (display, gc, blackpix);
    else
      XSetForeground (display, gc, shadowpix);

    XCopyPlane (display, bmp, pixmap_up, gc, 0, 0, bmp_width, bmp_height,
    (int) ((width - bmp_width) * .5), (int) ((height - bmp_height) * .5), 1);
    XCopyPlane (display, bmp, pixmap_down, gc, 0, 0, bmp_width, bmp_height,
    (int) ((width - bmp_width) * .5), (int) ((height - bmp_height) * .5), 1);
  }
  SetSelectedInput (ExposureMask |
		    ButtonPressMask |
		    ButtonReleaseMask |
		    LeaveWindowMask |
		    EnterWindowMask);

};

OnOffIcon::~OnOffIcon ()
{
  UnmapMe ();
}

void 
OnOffIcon::HandleEvent (XEvent * Event)
{
  static char buttonpressed = 0;
  switch (Event->type) {
  case Expose:
    if (Event->xexpose.count == 0) {
      if (status & ICON_SELECTED)
	DrawIcon (ICON_SELECTED);
      else
	DrawIcon (~ICON_SELECTED);
    }
    break;

  case ButtonPress:
    if ((Event->xbutton.button == Button1) &&
	(status & ICON_SELECTABLE)) {
      if (status & ICON_SELECTED)
	DrawIcon (~ICON_SELECTED);
      else
	DrawIcon (ICON_SELECTED);

      buttonpressed = 1;
    }
    break;

  case ButtonRelease:
    if (Event->xbutton.button == Button1) {
      if (Event->xbutton.x <= width &&
	  Event->xbutton.y <= height &&
	  Event->xbutton.y >= -DEFAULT_BDWIDTH &&
	  Event->xbutton.x >= -DEFAULT_BDWIDTH &&
	  (status & ICON_SELECTABLE)) {
	if (status & ICON_SELECTED) {
	  status &= ~ICON_SELECTED;
	  ParentWindow->Action (actionnumber, SWITCHOFF);
	} else {
	  status |= ICON_SELECTED;
	  ParentWindow->Action (actionnumber, SWITCHON);
	}
      }
      buttonpressed = 0;
    }
    break;

  case EnterNotify:
    if (buttonpressed) {
      if (status & ICON_SELECTED)
	DrawIcon (~ICON_SELECTED);
      else
	DrawIcon (ICON_SELECTED);
    }
    break;

  case LeaveNotify:
    if (buttonpressed) {
      if (status & ICON_SELECTED)
	DrawIcon (ICON_SELECTED);
      else
	DrawIcon (~ICON_SELECTED);
    }
    break;
  }
}