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/* Part of the FvwmTaskBar Module for Fvwm.
*
* Copyright 1994, Mike Finger (mfinger@mermaid.micro.umn.edu or
* Mike_Finger@atk.com)
*
* The author makes not guarantees or warantees, either express or
* implied. Feel free to use any contained here for any purpose, as long
* and this and any other applicible copyrights are kept intact.
* The functions in this source file were originally part of the GoodStuff
* and FvwmIdent modules for Fvwm, so there copyrights are also included:
*
* Copyright 1994, Robert Nation and Nobutaka Suzuki.
* No guarantees or warantees or anything
* are provided or implied in any way whatsoever. Use this program at your
* own risk. Permission to use this program for any purpose is given,
* as long as the copyright is kept intact. */
#include <FVWMconfig.h>
#include <stdio.h>
#include <X11/Xlib.h>
#include "Colors.h"
#ifndef min
#define min(a,b) (((a)<(b)) ? (a) : (b))
#define max(a,b) (((a)>(b)) ? (a) : (b))
#endif
extern Display *dpy;
extern Window Root;
extern char *Module;
/****************************************************************************
Loads a single color
*****************************************************************************/
Pixel GetColor(char *name)
{
XColor color;
XWindowAttributes attributes;
XGetWindowAttributes(dpy,Root,&attributes);
color.pixel = 0;
if (!XParseColor (dpy, attributes.colormap, name, &color))
nocolor("parse",name);
else if(!XAllocColor (dpy, attributes.colormap, &color))
nocolor("alloc",name);
return color.pixel;
}
/****************************************************************************
This routine computes the hilight color from the background color
*****************************************************************************/
Pixel GetHilite(Pixel background)
{
XColor bg_color, white_p;
XWindowAttributes attributes;
XGetWindowAttributes(dpy,Root,&attributes);
bg_color.pixel = background;
XQueryColor(dpy,attributes.colormap,&bg_color);
white_p.pixel = GetColor("white");
XQueryColor(dpy,attributes.colormap,&white_p);
bg_color.red = max((white_p.red/5), bg_color.red);
bg_color.green = max((white_p.green/5), bg_color.green);
bg_color.blue = max((white_p.blue/5), bg_color.blue);
bg_color.red = min(white_p.red, (bg_color.red*140)/100);
bg_color.green = min(white_p.green, (bg_color.green*140)/100);
bg_color.blue = min(white_p.blue, (bg_color.blue*140)/100);
if(!XAllocColor(dpy,attributes.colormap,&bg_color))
nocolor("alloc hilight","");
return bg_color.pixel;
}
/****************************************************************************
This routine computes the shadow color from the background color
*****************************************************************************/
Pixel GetShadow(Pixel background)
{
XColor bg_color;
XWindowAttributes attributes;
XGetWindowAttributes(dpy,Root,&attributes);
bg_color.pixel = background;
XQueryColor(dpy,attributes.colormap,&bg_color);
bg_color.red = (unsigned short)((bg_color.red*60)/100); /* was 50% */
bg_color.green = (unsigned short)((bg_color.green*60)/100);
bg_color.blue = (unsigned short)((bg_color.blue*60)/100);
if(!XAllocColor(dpy,attributes.colormap,&bg_color))
nocolor("alloc shadow","");
return bg_color.pixel;
}
void nocolor(char *a, char *b)
{
fprintf(stderr,"%s: can't %s %s\n", Module, a, b);
}
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