icon.cc

模糊聚类的算法实现程序

//**************************************************************
//*   filename: icon.cc                                        *
//*                                                            *
//**************************************************************
//* programmed by: Thomas Wagner                               *
//* last change: 04-05-95                                      *
//**************************************************************
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include "icon.h"

extern unsigned long buttonpix, whitepix, blackpix, shadowpix, lightpix,
  selectpix;
extern XContext Windowcontext;

Icon::Icon (Display * initdisplay,
      GC initgc,
      Window Parentwindow,
      XFontStruct * fontstruct,
      int initx, int inity, int initwidth, int initheight,
      char *text,
      char *bmptext,
      short bmpwidth, short bmpheight,
      int borderwidth,
      unsigned short initstatus):
Window_Info (initdisplay,
	     initgc,
	     Parentwindow,
	     fontstruct,
	     initx, inity, initwidth, initheight,
	     text,
	     borderwidth)
{
  status = initstatus;

  short depth = DefaultDepth (display, DefaultScreen (display));
  pixmap_up = XCreatePixmap (display, window, width, height, depth);
  pixmap_down = XCreatePixmap (display, window, width, height, depth);

  if (bmptext != NULL) {
    if ((bmp = XCreateBitmapFromData (display, window, bmptext,
				      bmpwidth, bmpheight)) == None) {
      printf ("Failed to create bitmap in window.cc!\n");
      exit (0);
    }
  } else
    bmp = 0;

  bmp_width = bmpwidth;
  bmp_height = bmpheight;
}

void 
Icon::MakeSelectable ()
{
  status |= ICON_SELECTABLE;

  if (bmp != 0) {
    XSetForeground (display, gc, blackpix);
    XSetBackground (display, gc, buttonpix);

    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);
    if (status & ICON_SELECTED)
      DrawIcon (ICON_SELECTED);
    else
      DrawIcon (~ICON_SELECTED);
  }
  AddSelectedInput (ButtonReleaseMask);
}

void 
Icon::MakeUnselectable ()
{
  status &= ~ICON_SELECTABLE;

  if (bmp != 0) {
    XSetForeground (display, gc, shadowpix);
    XSetBackground (display, gc, buttonpix);
    if (pixmap_up != 0)
      XCopyPlane (display, bmp, pixmap_up, gc, 0, 0, bmp_width, bmp_height,
		  (int) ((width - bmp_width) * .5), (int) ((height - bmp_height) * .5), 1);
    if (pixmap_down != 0)
      XCopyPlane (display, bmp, pixmap_down, gc, 0, 0, bmp_width, bmp_height,
		  (int) ((width - bmp_width) * .5), (int) ((height - bmp_height) * .5), 1);
    DrawIcon (~ICON_SELECTED);
  }
  DelSelectedInput (ButtonReleaseMask);
}

void 
Icon::DrawIcon (unsigned short drawstatus)
{
  if (drawstatus & ICON_SELECTED)
    XCopyArea (display, pixmap_down, window, gc,
	       0, 0, width, height, 0, 0);
  else
    XCopyArea (display, pixmap_up, window, gc,
	       0, 0, width, height, 0, 0);
  XFlush (display);
}