source: mainline/console/gcons.c@ 59ed572

/*
 * Copyright (C) 2006 Ondrej Palkovsky
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <ipc/fb.h>
#include <ipc/ipc.h>
#include <async.h>
#include <stdio.h>

#include "console.h"
#include "gcons.h"

#define CONSOLE_TOP      50
#define CONSOLE_MARGIN   10

#define STATUS_SPACE    20
#define STATUS_WIDTH    40
#define STATUS_HEIGHT   30

#define MAIN_COLOR      0x118811

static int use_gcons = 0;
static ipcarg_t xres,yres;

static int console_vp;
static int cstatus_vp[CONSOLE_COUNT];
static int console_has_input[CONSOLE_COUNT];
static int cstat_row, cstat_col; /* Size of cstatus buttons */

static int fbphone;

enum butstate {
        CONS_ACTIVE = 0,
        CONS_IDLE,
        CONS_HAS_INPUT,
        CONS_DISCONNECTED
};

static struct {
        int fgcolor;
        int bgcolor;
} stat_colors[] = {
        {0xd0d0d0, 0x808080},
        {0xd0d0d0, 0x0},
        {0xd0d0d0, 0xa04040},
        {0xd0d0d0, 0x0}
};

static int active_console = 0;

static void vp_switch(int vp)
{
        nsend_call(fbphone,FB_VIEWPORT_SWITCH, vp);
}

/** Create view port */
static int vp_create(unsigned int x, unsigned int y, 
                     unsigned int width, unsigned int height)
{
        /* Init function, use ipc_call_sync */
        return ipc_call_sync_2(fbphone, FB_VIEWPORT_CREATE,
                               (x << 16) | y, (width << 16) | height,
                               NULL, NULL);
}

static void clear(void)
{
        nsend_call(fbphone, FB_CLEAR, 0);
        
}

static void set_style(int fgcolor, int bgcolor)
{
        nsend_call_2(fbphone, FB_SET_STYLE, fgcolor, bgcolor);
}

static void putch(char c, int row, int col)
{
        nsend_call_3(fbphone, FB_PUTCHAR, c, row, col);
}

static void draw_stat(int consnum, enum butstate state)
{
        char data[5];
        int i;
        
        vp_switch(cstatus_vp[consnum]);
        set_style(stat_colors[state].fgcolor, stat_colors[state].bgcolor);
        clear();
        if (state != CONS_DISCONNECTED) {
                snprintf(data, 5, "%d", consnum+1);
                for (i=0;data[i];i++)
                        putch(data[i], 0, i);
        }
}

void gcons_change_console(int consnum)
{
        if (!use_gcons)
                return;
        
        draw_stat(active_console, CONS_IDLE);
        active_console = consnum;
        draw_stat(consnum, CONS_ACTIVE);
        console_has_input[consnum] = 0;

        vp_switch(console_vp);
}

void gcons_notify_char(int consnum)
{
        if (!use_gcons)
                return;

        if (consnum == active_console || console_has_input[consnum])
                return;

        console_has_input[consnum] = 1;
        draw_stat(consnum, CONS_HAS_INPUT);
        
        vp_switch(console_vp);
}

void gcons_redraw_console(void)
{
        int i;

        if (!use_gcons)
                return;
        
        vp_switch(0);
        set_style(MAIN_COLOR, MAIN_COLOR);
        clear();

        for (i=0;i < CONSOLE_COUNT; i++) 
                draw_stat(i, i == active_console ? CONS_ACTIVE : CONS_DISCONNECTED);
        vp_switch(console_vp);
}

/** Initialize nice graphical console environment */
void gcons_init(int phone)
{
        int rc;
        int i;

        fbphone = phone;

        rc = ipc_call_sync_2(phone, FB_GET_RESOLUTION, 0, 0, &xres, &yres);
        if (rc)
                return;
        
        if (xres < 800 || yres < 600)
                return;

        /* create console viewport */
        console_vp = vp_create(CONSOLE_MARGIN, CONSOLE_TOP, xres-2*CONSOLE_MARGIN,
                               yres-(CONSOLE_TOP+CONSOLE_MARGIN));
        if (console_vp < 0)
                return;
        
        /* Create status buttons */
        for (i=0; i < CONSOLE_COUNT; i++) {
                cstatus_vp[i] = vp_create(CONSOLE_MARGIN+i*(STATUS_WIDTH+STATUS_SPACE),
                                          CONSOLE_MARGIN, STATUS_WIDTH, STATUS_HEIGHT);
                if (cstatus_vp[i] < 0)
                        return;
        }
        
        use_gcons = 1;
        gcons_redraw_console();
}