scrollbar-sgi.c

multi-tabed terminal based on rxvt

 /*--------------------------------*-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 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 (NOT_PIXMAP(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);
}


/* EXTPROTO */
void 
rxvt_scrollbar_init_sgi (rxvt_t* r)
{
    XGCValues	    gcvalue;