scrollbar-sgi.c

Mrxvt是一个小巧

 /*--------------------------------*-C-*---------------------------------*
 * File:	scrollbar-sgi.c
 *----------------------------------------------------------------------*
 *
 * All portions of code are copyright by their respective author/s.
 * Copyright (c) 1998        Alfredo K. Kojima <[e-mail]>
 * Copyright (c) 1998        Sasha Vasko
 * Copyright (c) 2000        Frank Everdij <[e-mail]>
 * Copyright (c) 2004        Jingmin Zhou <[e-mail]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *----------------------------------------------------------------------*/

#include "../config.h"
#include "rxvt.h"


#ifdef DEBUG_VERBOSE
#define DEBUG_LEVEL	1
#else
#define DEBUG_LEVEL	0
#endif

#if DEBUG_LEVEL
#define DBG_MSG(d,x) if(d <= DEBUG_LEVEL) fprintf x
#else
#define DBG_MSG(d,x)
#endif


/*----------------------------------------------------------------------*/
#ifdef HAVE_SCROLLBARS
#ifdef SGI_SCROLLBAR

#define CHOOSE_GC_FG(R, PIXCOL)	\
	XSetForeground ((R)->Xdisplay, (R)->scrollBar.gc, (PIXCOL))


static char *SCROLLER_DIMPLE[] = {
	"            ",
	"############",
	".==========%",
	".==========%",
	"            ",
	"############",
	".==========%",
	".==========%",
	"            ",
	"############"
};

#define SCROLLER_DIMPLE_WIDTH   12
#define SCROLLER_DIMPLE_HEIGHT  10



static char *SCROLLER_ARROW_UP[] = {
	"============",
	"============",
	"=====*======",
	"=====**=====",
	"=====**=====",
	"====****====",
	"====****====",
	"===******===",
	"===******===",
	"==********==",
	"==********==",
	"============",
	"============",
	"============"
};

static char *SCROLLER_ARROW_DOWN[] = {
	"============",
	"============",
	"=*********==",
	"==********==",
	"==********==",
	"===******===",
	"===******===",
	"====****====",
	"====****====",
	"=====**=====",
	"=====**=====",
	"============",
	"============",
	"============"
};



static char *LO_SCROLLER_ARROW_UP[] = {
	"============",
	"============",
	"=====-======",
	"=====--=====",
	"=====--=====",
	"====----====",
	"====----====",
	"===------===",
	"===------===",
	"==--------==",
	"==--------==",
	"============",
	"============",
	"============"
};

static char *LO_SCROLLER_ARROW_DOWN[] = {
	"============",
	"============",
	"=---------==",
	"==--------==",
	"==--------==",
	"===------===",
	"===------===",
	"====----====",
	"====----====",
	"=====--=====",
	"=====--=====",
	"============",
	"============",
	"============"
};



static char *HI_SCROLLER_ARROW_UP[] = {
	"            ",
	"            ",
	"     %      ",
	"     %%     ",
	"     %%     ",
	"    %%%%    ",
	"    %%%%    ",
	"   %%%%%%   ",
	"   %%%%%%   ",
	"  %%%%%%%%  ",
	"  %%%%%%%%  ",
	"            ",
	"            ",
	"            "
};

static char *HI_SCROLLER_ARROW_DOWN[] = {
	"            ",
	"            ",
	" %%%%%%%%%  ",
	"  %%%%%%%%  ",
	"  %%%%%%%%  ",
	"   %%%%%%   ",
	"   %%%%%%   ",
	"    %%%%    ",
	"    %%%%    ",
	"     %%     ",
	"     %%     ",
	"            ",
	"            ",
	"            "
};

#define ARROW_SOURCE_WIDTH   12
#define ARROW_SOURCE_HEIGHT  14

#ifndef SCROLL_SHADOW_HEIGHT
# define SCROLL_SHADOW_HEIGHT 1
#endif
/* end unconfigurable stuff */


#define stp_width 8
#define stp_height 8
static unsigned char stp_bits[] = {
   0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa};


/* INTPROTO */
static Pixmap
create_icon (rxvt_t* r, char **data, int sx, int sy, unsigned int width, unsigned int height)
{
    register int	i, k;
	register int	x, y;
	unsigned long	pixel;
	Pixmap			pixmap;

    
	pixmap = XCreatePixmap (r->Xdisplay, r->scrollBar.win,
				width, height, XDEPTH);
	if (None == pixmap)
		return None;

    y = sy;
    for (i = 0; i < height ; y++, i++ ) {
		x = sx ;
        for (k = 0; k < width ; k++, x++ ) {
			switch (data[y][x]) {               
			case ' ':
			case 'w':
				pixel = r->scrollBar.sgi_white;  break;
			case '.':
			case 'l':
				pixel = r->scrollBar.sgi_fg;  break;
			case '-':
			case 'g':
				pixel = r->scrollBar.sgi_lmedium;  break;
			case '%':
			case 'd':
				pixel = r->scrollBar.sgi_dark;  break;
			case '*':
			case 'v':
				pixel = r->scrollBar.sgi_vdark;  break;
			case '#':
			case 'b':
				pixel = r->scrollBar.sgi_black;  break;
			case '=':
			case 'm':
			default:
				pixel = r->scrollBar.sgi_bg;
				break;
			}
			CHOOSE_GC_FG(r, pixel);
			XDrawPoint (r->Xdisplay, pixmap, r->scrollBar.gc, k, i);
        }
    }

	return (pixmap);
}



/* Draw bevel & arrows */
/* INTPROTO */
static void
sgi_draw_bevel (rxvt_t* r, Drawable d, int x, int y, int w, int h)
{
	CHOOSE_GC_FG(r, r->scrollBar.sgi_fg);
    XDrawLine(r->Xdisplay, d, r->scrollBar.gc, x, y, x+w, y);
    XDrawLine(r->Xdisplay, d, r->scrollBar.gc, x, y, x, y+h);

    XDrawLine(r->Xdisplay, d, r->scrollBar.gc, x+1, y+1, x+w-1, y+1);
    XDrawLine(r->Xdisplay, d, r->scrollBar.gc, x+1, y+1, x+1, y+h-1);

	CHOOSE_GC_FG(r, r->scrollBar.sgi_dark);
    XDrawLine(r->Xdisplay, d, r->scrollBar.gc, x+w, y+1, x+w, y+h);
    XDrawLine(r->Xdisplay, d, r->scrollBar.gc, x+1, y+h, x+w, y+h);

    XDrawLine(r->Xdisplay, d, r->scrollBar.gc, x+w-1, y+2, x+w-1, y+h-1);
    XDrawLine(r->Xdisplay, d, r->scrollBar.gc, x+2, y+h-1, x+w-1, y+h-1);
}


/* INTPROTO */
static void
scrollbar_fill_back (rxvt_t* r, unsigned int height)
{
	/* fill background */
	XClearArea (r->Xdisplay, r->scrollBar.win,
		0, SGI_SB_BUTTON_HEIGHT,
		SB_WIDTH_SGI, height, False);

	/* fill top button space */
	CHOOSE_GC_FG(r, r->scrollBar.sgi_fg);
    XFillRectangle (r->Xdisplay, r->scrollBar.win, r->scrollBar.gc,
		0, 0,
		SB_WIDTH_SGI, SGI_SB_BUTTON_HEIGHT);
	/* fill bottom button space */
    XFillRectangle (r->Xdisplay, r->scrollBar.win, r->scrollBar.gc,
		0, height+SGI_SB_BUTTON_HEIGHT,
		SB_WIDTH_SGI, SGI_SB_BUTTON_HEIGHT);

	CHOOSE_GC_FG(r, r->scrollBar.sgi_dark);
	/* right vertical border line */
	XDrawLine (r->Xdisplay, r->scrollBar.win, r->scrollBar.gc,
		SB_WIDTH_SGI-1, 0,
		SB_WIDTH_SGI-1, height+SGI_SB_BUTTONS_HEIGHT);
	/* bottom horizontal line */
	XDrawLine (r->Xdisplay, r->scrollBar.win, r->scrollBar.gc,
		2, height+SGI_SB_BUTTONS_HEIGHT-1,
		SB_WIDTH_SGI, height+SGI_SB_BUTTONS_HEIGHT-1);
}