aboutsummaryrefslogtreecommitdiffstats
path: root/drv_X11.c
blob: 99ba6bb78db734ade6958dd0b06104523f84c3fa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
.highlight .no { color: #003366; font-weight: bold } /* Name.Constant */
.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
.highlight .nl { color: #336699; font-style: italic } /* Name.Label */
.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
.highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
.highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
.highlight .vg { color: #dd7700 } /* Name.Variable.Global */
.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
/* $Id: thread.h,v 1.6 2005/05/08 04:32:45 reinelt Exp $
 *
 * thread handling (mutex, shmem, ...)
 *
 * Copyright (C) 2004 Michael Reinelt <reinelt@eunet.at>
 * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
 *
 * parts of this code are based on the old XWindow driver which is
 * Copyright (C) 2000 Herbert Rosmanith <herp@wildsau.idv.uni-linz.ac.at>
 *
 * This file is part of LCD4Linux.
 *
 * LCD4Linux 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, or (at your option)
 * any later version.
 *
 * LCD4Linux 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.
 *
 *
 * $Log: thread.h,v $
 * Revision 1.6  2005/05/08 04:32:45  reinelt
 * CodingStyle added and applied
 *
 * Revision 1.5  2005/01/18 06:30:24  reinelt
 * added (C) to all copyright statements
 *
 * Revision 1.4  2004/06/20 10:09:56  reinelt
 *
 * 'const'ified the whole source
 *
 * Revision 1.3  2004/04/08 10:48:25  reinelt
 * finished plugin_exec
 * modified thread handling
 * added '%x' format to qprintf (hexadecimal)
 *
 * Revision 1.2  2004/03/20 07:31:33  reinelt
 * support for HD66712 (which has a different RAM layout)
 * further threading development
 *
 * Revision 1.1  2004/03/19 06:37:47  reinelt
 * asynchronous thread handling started
 *
 */

#ifndef _THREAD_H_
#define _THREAD_H_

int mutex_create(void);
void mutex_lock(const int semid);
void mutex_unlock(const int semid);
void mutex_destroy(const int semid);

int shm_create(void **buffer, const int size);
void shm_destroy(const int shmid, const void *buffer);

int thread_create(const char *name, void (*thread) (void *data), void *data);

#endif
ef='#n405'>405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438
/* $Id: drv_X11.c,v 1.17 2006/08/13 06:46:51 reinelt Exp $
 *
 * new style X11 Driver for LCD4Linux 
 *
 * Copyright (C) 2003 Michael Reinelt <reinelt@eunet.at>
 * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
 *
 * based on the old XWindow.c which is
 * Copyright (C) 2000 Herbert Rosmanith <herp@wildsau.idv.uni-linz.ac.at>
 *
 * This file is part of LCD4Linux.
 *
 * LCD4Linux 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, or (at your option)
 * any later version.
 *
 * LCD4Linux 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.
 *
 *
 * $Log: drv_X11.c,v $
 * Revision 1.17  2006/08/13 06:46:51  reinelt
 * T6963 soft-timing & enhancements; indent
 *
 * Revision 1.16  2006/02/08 04:55:05  reinelt
 * moved widget registration to drv_generic_graphic
 *
 * Revision 1.15  2006/01/30 06:25:54  reinelt
 * added CVS Revision
 *
 * Revision 1.14  2006/01/30 06:17:17  reinelt
 * added CVS Revision
 *
 * Revision 1.13  2006/01/30 05:47:38  reinelt
 * graphic subsystem changed to full-color RGBA
 *
 * Revision 1.12  2006/01/22 09:16:11  reinelt
 * Image Widget framework added
 *
 * Revision 1.11  2005/05/08 04:32:44  reinelt
 * CodingStyle added and applied
 *
 * Revision 1.10  2005/01/18 06:30:23  reinelt
 * added (C) to all copyright statements
 *
 * Revision 1.9  2004/11/29 04:42:07  reinelt
 * removed the 99999 msec limit on widget update time (thanks to Petri Damsten)
 *
 * Revision 1.8  2004/06/26 12:04:59  reinelt
 *
 * uh-oh... the last CVS log message messed up things a lot...
 *
 * Revision 1.7  2004/06/26 09:27:21  reinelt
 *
 * added '-W' to CFLAGS
 * changed all C++ comments to C ones
 * cleaned up a lot of signed/unsigned mistakes
 *
 * Revision 1.6  2004/06/20 10:09:54  reinelt
 *
 * 'const'ified the whole source
 *
 * Revision 1.5  2004/06/08 21:46:38  reinelt
 *
 * splash screen for X11 driver (and generic graphic driver)
 *
 * Revision 1.4  2004/06/06 06:51:59  reinelt
 *
 * do not display end splash screen if quiet=1
 *
 * Revision 1.3  2004/06/02 09:41:19  reinelt
 *
 * prepared support for startup splash screen
 *
 * Revision 1.2  2004/05/25 14:26:29  reinelt
 *
 * added "Image" driver (was: Raster.c) for PPM and PNG creation
 * fixed some glitches in the X11 driver
 *
 * Revision 1.1  2004/02/24 05:55:04  reinelt
 *
 * X11 driver ported
 *
 */

/* 
 *
 * exported fuctions:
 *
 * struct DRIVER drv_X11
 *
 */


#include "config.h"

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <termios.h>
#include <fcntl.h>
#include <sys/time.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>

#include "debug.h"
#include "cfg.h"
#include "qprintf.h"
#include "timer.h"
#include "plugin.h"
#include "drv.h"
#include "drv_generic_graphic.h"

#ifdef WITH_DMALLOC
#include <dmalloc.h>
#endif

static char Name[] = "X11";

static int pixel = -1;		/* pointsize in pixel */
static int pgap = 0;		/* gap between points */
static int rgap = 0;		/* row gap between lines */
static int cgap = 0;		/* column gap between characters */
static int border = 0;		/* window border */

static int dimx, dimy;		/* total window dimension in pixel */

static RGBA *drv_X11_FB = NULL;

static Display *dp;
static int sc, dd;
static Window w, rw;
static Visual *vi;
static GC gc;
static Colormap cm;
static XColor xc;
static Pixmap pm;


/****************************************/
/***  hardware dependant functions    ***/
/****************************************/

static void drv_X11_color(RGBA c)
{
    xc.red = 255 * c.R;
    xc.green = 255 * c.G;
    xc.blue = 255 * c.B;
    xc.flags = DoRed | DoGreen | DoBlue;
    if (XAllocColor(dp, cm, &xc) == False) {
	error("%s: XAllocColor(%02x%02x%02x) failed!", Name, c.R, c.G, c.B);
    }
    XSetForeground(dp, gc, xc.pixel);
    XSetBackground(dp, gc, xc.pixel);

}


static void drv_X11_blit(const int row, const int col, const int height, const int width)
{
    int r, c;
    int dirty = 0;

    for (r = row; r < row + height; r++) {
	int y = border + (r / YRES) * rgap + r * (pixel + pgap);
	for (c = col; c < col + width; c++) {
	    int x = border + (c / XRES) * cgap + c * (pixel + pgap);
	    RGBA p1 = drv_X11_FB[r * DCOLS + c];
	    RGBA p2 = drv_generic_graphic_rgb(r, c);
	    if (p1.R != p2.R || p1.G != p2.G || p1.B != p2.B) {
		drv_X11_color(p2);
		XFillRectangle(dp, w, gc, x, y, pixel, pixel);
		drv_X11_FB[r * DCOLS + c] = p2;
		dirty = 1;
	    }
	}
    }
    if (dirty) {
	XSync(dp, False);
    }
}


static void drv_X11_expose(const int x, const int y, const int width, const int height)
{
    /*
     * theory of operation:
     * instead of the old, fully-featured but complicated update
     * region calculation, we do an update of the whole display,
     * but check before every pixel if the pixel region is inside
     * the update region.
     */

    int r, c;
    int x0, y0;
    int x1, y1;

    x0 = x - pixel;
    x1 = x + pixel + width;
    y0 = y - pixel;
    y1 = y + pixel + height;

    for (r = 0; r < DROWS; r++) {
	int yc = border + (r / YRES) * rgap + r * (pixel + pgap);
	if (yc < y0 || yc > y1)
	    continue;
	for (c = 0; c < DCOLS; c++) {
	    int xc = border + (c / XRES) * cgap + c * (pixel + pgap);
	    if (xc < x0 || xc > x1)
		continue;
	    drv_X11_color(drv_generic_graphic_rgb(r, c));
	    XFillRectangle(dp, w, gc, xc, yc, pixel, pixel);
	}
    }
    XSync(dp, False);
}


static void drv_X11_timer( __attribute__ ((unused))
			  void *notused)
{
    XEvent ev;

    if (XCheckWindowEvent(dp, w, ExposureMask, &ev) == 0)
	return;
    if (ev.type == Expose) {
	drv_X11_expose(ev.xexpose.x, ev.xexpose.y, ev.xexpose.width, ev.xexpose.height);
    }
}


static int drv_X11_start(const char *section)
{
    int i;
    char *s;
    RGBA BC;
    XSetWindowAttributes wa;
    XSizeHints sh;
    XEvent ev;

    /* read display size from config */
    if (sscanf(s = cfg_get(section, "Size", "120x32"), "%dx%d", &DCOLS, &DROWS) != 2 || DCOLS < 1 || DROWS < 1) {
	error("%s: bad %s.Size '%s' from %s", Name, section, s, cfg_source());
	free(s);
	return -1;
    }
    free(s);

    if (sscanf(s = cfg_get(section, "font", "5x8"), "%dx%d", &XRES, &YRES) != 2 || XRES < 1 || YRES < 1) {
	error("%s: bad %s.font '%s' from %s", Name, section, s, cfg_source());
	free(s);
	return -1;
    }
    free(s);

    if (sscanf(s = cfg_get(section, "pixel", "4+1"), "%d+%d", &pixel, &pgap) != 2 || pixel < 1 || pgap < 0) {
	error("%s: bad %s.pixel '%s' from %s", Name, section, s, cfg_source());
	free(s);
	return -1;
    }
    free(s);

    if (sscanf(s = cfg_get(section, "gap", "-1x-1"), "%dx%d", &cgap, &rgap) != 2 || cgap < -1 || rgap < -1) {
	error("%s: bad %s.gap '%s' from %s", Name, section, s, cfg_source());
	free(s);
	return -1;
    }
    free(s);

    if (rgap < 0)
	rgap = pixel + pgap;
    if (cgap < 0)
	cgap = pixel + pgap;

    if (cfg_number(section, "border", 0, 0, -1, &border) < 0)
	return -1;

    s = cfg_get(section, "basecolor", "000000ff");
    if (color2RGBA(s, &BC) < 0) {
	error("%s: ignoring illegal color '%s'", Name, s);
    }
    free(s);

    drv_X11_FB = malloc(DCOLS * DROWS * sizeof(*drv_X11_FB));
    if (drv_X11_FB == NULL) {
	error("%s: framebuffer could not be allocated: malloc() failed", Name);
	return -1;
    }

    for (i = 0; i < DCOLS * DROWS; i++) {
	drv_X11_FB[i] = BC;
    }

    if ((dp = XOpenDisplay(NULL)) == NULL) {
	error("%s: can't open display", Name);
	return -1;
    }

    sc = DefaultScreen(dp);
    gc = DefaultGC(dp, sc);
    vi = DefaultVisual(dp, sc);
    dd = DefaultDepth(dp, sc);
    rw = DefaultRootWindow(dp);
    cm = DefaultColormap(dp, sc);

    dimx = DCOLS * pixel + (DCOLS - 1) * pgap + (DCOLS / XRES - 1) * cgap;
    dimy = DROWS * pixel + (DROWS - 1) * pgap + (DROWS / YRES - 1) * rgap;

    wa.event_mask = ExposureMask;

    w = XCreateWindow(dp, rw, 0, 0, dimx + 2 * border, dimy + 2 * border, 0, 0, InputOutput, vi, CWEventMask, &wa);

    pm = XCreatePixmap(dp, w, dimx, dimy, dd);

    sh.min_width = sh.max_width = dimx + 2 * border;
    sh.min_height = sh.max_height = dimy + 2 * border;
    sh.flags = PPosition | PSize | PMinSize | PMaxSize;

    XSetWMProperties(dp, w, NULL, NULL, NULL, 0, &sh, NULL, NULL);

    drv_X11_color(BC);

    XFillRectangle(dp, pm, gc, 0, 0, dimx + 2 * border, dimy + 2 * border);
    XSetWindowBackground(dp, w, xc.pixel);
    XClearWindow(dp, w);

    XStoreName(dp, w, "LCD4Linux");
    XMapWindow(dp, w);

    XFlush(dp);

    while (1) {
	XNextEvent(dp, &ev);
	if (ev.type == Expose && ev.xexpose.count == 0)
	    break;
    }

    /* regularly process X events */
    /* Fixme: make 20msec configurable */
    timer_add(drv_X11_timer, NULL, 20, 0);

    return 0;
}



/****************************************/
/***            plugins               ***/
/****************************************/

/* none at the moment... */


/****************************************/
/***        exported functions        ***/
/****************************************/


/* list models */
int drv_X11_list(void)
{
    printf("any");
    return 0;
}


/* initialize driver & display */
int drv_X11_init(const char *section, const int quiet)
{
    int ret;

    info("%s: %s", Name, "$Revision: 1.17 $");

    /* start display */
    if ((ret = drv_X11_start(section)) != 0)
	return ret;

    /* real worker functions */
    drv_generic_graphic_real_blit = drv_X11_blit;

    /* initialize generic graphic driver */
    if ((ret = drv_generic_graphic_init(section, Name)) != 0)
	return ret;

    drv_generic_graphic_clear();

    /* initially expose window */
    drv_X11_expose(0, 0, dimx + 2 * border, dimy + 2 * border);

    if (!quiet) {
	char buffer[40];
	qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS);
	if (drv_generic_graphic_greet(buffer, NULL)) {
	    sleep(3);
	    drv_generic_graphic_clear();
	}
    }

    /* register plugins */
    /* none at the moment... */


    return 0;
}


/* close driver & display */
int drv_X11_quit(const __attribute__ ((unused))
		 int quiet)
{

    info("%s: shutting down.", Name);
    drv_generic_graphic_quit();

    if (drv_X11_FB) {
	free(drv_X11_FB);
	drv_X11_FB = NULL;
    }

    return (0);
}


DRIVER drv_X11 = {
  name:Name,
  list:drv_X11_list,
  init:drv_X11_init,
  quit:drv_X11_quit,
};