source: neercs/trunk/src/effects.c @ 2995 Tweet

/*
 *  neercs        console-based window manager
 *  Copyright (c) 2006 Sam Hocevar <sam@zoy.org>
 *                2008 Jean-Yves Lamoureux <jylam@lnxscene.org>
 *                All Rights Reserved
 *
 *  $Id: effects.c 2360 2008-06-11 16:23:46Z jylam $
 *
 *  This program is free software. It comes without any warranty, to
 *  the extent permitted by applicable law. You can redistribute it
 *  and/or modify it under the terms of the Do What The Fuck You Want
 *  To Public License, Version 2, as published by Sam Hocevar. See
 *  http://sam.zoy.org/wtfpl/COPYING for more details.
 */

#include "config.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <caca.h>
#include <caca.h>
#include <time.h>
#include <sys/wait.h>
#include <sys/types.h>

#include "neercs.h"

void draw_thumbnails(struct screen_list *screen_list)
{
    char const * const *fonts;
    caca_dither_t *d;
    caca_font_t *f;
    uint8_t *buf;
    int i;
    int miniw, minih;

    if(screen_list->count)
    {
        fonts = caca_get_font_list();
        f = caca_load_font(fonts[0], 0);

        miniw = caca_get_canvas_width(screen_list->screen[0]->cv)
            * caca_get_font_width(f);
        minih = caca_get_canvas_height(screen_list->screen[0]->cv)
            * caca_get_font_height(f);
        buf = malloc(4 * miniw * minih);

#if defined(HAVE_ENDIAN_H)
        if(__BYTE_ORDER == __BIG_ENDIAN)
#else
            /* This is compile-time optimised with at least -O1 or -Os */
            uint32_t const tmp = 0x12345678;
        if(*(uint8_t const *)&tmp == 0x12)
#endif
            d = caca_create_dither(32, miniw, minih, 4 * miniw,
                                    0xff0000, 0xff00, 0xff, 0x0);
        else
            d = caca_create_dither(32, miniw, minih, 4 * miniw,
                                    0xff00, 0xff0000, 0xff000000, 0x0);

        for(i = 0; i < screen_list->count; i++)
        {
            caca_render_canvas(screen_list->screen[i]->cv, f, buf,
                                miniw, minih, miniw * 4);
            caca_dither_bitmap(screen_list->cv, 20 * i,
                                caca_get_canvas_height(screen_list->cv) - 6, 19, 6, d, buf);
            caca_set_color_ansi(screen_list->cv, CACA_WHITE, CACA_BLUE);

            if(screen_list->pty == i)
                caca_draw_cp437_box(screen_list->cv,20 * i,
                                     caca_get_canvas_height(screen_list->cv) - 6, 19, 6);
            caca_printf(screen_list->cv, 20 * i,
                         caca_get_canvas_height(screen_list->cv) - 6, "(%i)", i+1);
        }

        caca_free_dither(d);
        caca_free_font(f);

        free(buf);
    }

}

/* FIXME, make this stuff more configurable */
void draw_status(struct screen_list *screen_list)
{
    int x = 0, y = caca_get_canvas_height(screen_list->cv) - 1;


    caca_set_color_ansi(screen_list->cv, CACA_BLUE, CACA_BLUE);
    caca_fill_box(screen_list->cv,
                   x, y,
                   caca_get_canvas_width(screen_list->cv), 1, '#');

/* Hour */
    {
        time_t now = time ((time_t *) 0);
        struct tm *t = localtime(&now);
        char hour[256];
        sprintf(hour, "%02d:%02d", t->tm_hour, t->tm_min);

        caca_set_color_ansi(screen_list->cv, CACA_LIGHTBLUE, CACA_BLUE);
        caca_printf(screen_list->cv, x, y,
                     "[");

        caca_set_color_ansi(screen_list->cv, CACA_DEFAULT, CACA_BLUE);
        caca_printf(screen_list->cv, x+1, y,
                     hour);
        caca_set_color_ansi(screen_list->cv, CACA_LIGHTBLUE, CACA_BLUE);
        caca_printf(screen_list->cv, x + strlen(hour) + 1, y,
                     "]");
        x += 7;

    }

/* Window */
    {
        char text[256];
        sprintf(text, "%d/%d", screen_list->pty+1, screen_list->count);
        x++;
        caca_set_color_ansi(screen_list->cv, CACA_LIGHTBLUE, CACA_BLUE);
        caca_printf(screen_list->cv, x, y, "Window:");
        caca_set_color_ansi(screen_list->cv, CACA_DEFAULT, CACA_BLUE);
        caca_printf(screen_list->cv, x+8, y, text);
        x+= 8+strlen(text);
    }

/* Window Manager */
    {
        char text[256];

        switch(screen_list->wm_type)
        {
        case WM_CARD:
            strcpy(text, "card");
            break;
        case WM_HSPLIT:
            strcpy(text, "hsplit");
            break;
        case WM_VSPLIT:
            strcpy(text, "vsplit");
            break;
        case WM_FULL:
        default:
            strcpy(text, "full");
            break;

        }

        x++;
        caca_set_color_ansi(screen_list->cv, CACA_LIGHTBLUE, CACA_BLUE);
        caca_printf(screen_list->cv, x, y, "WM:");
        caca_set_color_ansi(screen_list->cv, CACA_DEFAULT, CACA_BLUE);
        caca_printf(screen_list->cv, x+4, y, text);
        x+= 4+strlen(text);
    }

/* Help (must be the last one )*/
    {
        char text[256];
        sprintf(text, "Help: ctrl-a-h");
        x = caca_get_canvas_width(screen_list->cv) - strlen(text);

        caca_set_color_ansi(screen_list->cv, CACA_DEFAULT, CACA_BLUE);
        caca_printf(screen_list->cv, x, y, text);
    }


}


void draw_help(struct screen_list *screen_list)
{
    int w = 65, h = 20;
    int x = (caca_get_canvas_width(screen_list->cv) - w) / 2;
    int y = (caca_get_canvas_height(screen_list->cv) - h) / 2;


    caca_set_color_ansi(screen_list->cv, CACA_BLUE, CACA_BLUE);
    caca_fill_box(screen_list->cv,
                   x, y,
                   w, h, '#');
    caca_set_color_ansi(screen_list->cv, CACA_DEFAULT, CACA_BLUE);
    caca_draw_cp437_box(screen_list->cv,
                         x, y,
                         w, h);

    x+=2;
    y++;
    caca_printf(screen_list->cv,
                 (caca_get_canvas_width(screen_list->cv) - strlen(PACKAGE_STRING)) / 2,
                 y-1,
                 PACKAGE_STRING);
    caca_printf(screen_list->cv, x, y++, "Copyright (c) 2006-2008 ");
    caca_printf(screen_list->cv, x, y++, "              Sam Hocevar <sam@zoy.org>");
    caca_printf(screen_list->cv, x, y++, "              Jean-Yves Lamoureux <jylam@lnxscene.org>");
    caca_printf(screen_list->cv, x, y++, "              Pascal Terjan <pterjan@linuxfr.org>");
    caca_printf(screen_list->cv, x, y++, "");
    caca_printf(screen_list->cv, x, y++, "");
    caca_printf(screen_list->cv, x, y++, "All shortcuts are in format 'ctrl-a-X' where X is :");
    caca_printf(screen_list->cv, x, y++, "n:\t Next window");
    caca_printf(screen_list->cv, x, y++, "p:\t Previous window");
    caca_printf(screen_list->cv, x, y++, "w:\t Switch window manager");
    caca_printf(screen_list->cv, x, y++, "c:\t Create new window");
    caca_printf(screen_list->cv, x, y++, "m:\t Thumbnails");
    caca_printf(screen_list->cv, x, y++, "d:\t Detach");
    caca_printf(screen_list->cv, x, y++, "k:\t Close window and kill associated process");
    caca_printf(screen_list->cv, x, y++, "h:\t This help");
    caca_printf(screen_list->cv, x, y++, "");
    caca_printf(screen_list->cv, x, y++, "");
    caca_printf(screen_list->cv, x, y++, "See http://libcaca.zoy.org/wiki/neercs for more informations");
}

int update_window_list(int c, struct screen_list *screen_list)
{
    debug("Got %x\n", c);

    switch(c)
    {
    case 0x111:
        if(screen_list->cur_in_list>0)
            screen_list->cur_in_list--;
        break;
    case 0x112:
        if(screen_list->cur_in_list<screen_list->count-1)
            screen_list->cur_in_list++;
        break;
    case 0xd:
        screen_list->window_list = 0;
        screen_list->prevpty = screen_list->pty;
        screen_list->pty     = screen_list->cur_in_list;
        break;
    case 0x22:
        screen_list->window_list = 0;
        break;
    default:
        break;
    }

    return 1;
}

void draw_list(struct screen_list *screen_list)
{
    int i;
    int w = (caca_get_canvas_width(screen_list->cv));
    int h = (caca_get_canvas_height(screen_list->cv));

    debug("Drawing list\n");
    caca_set_color_ansi(screen_list->cv, CACA_BLACK, CACA_BLACK);
    caca_fill_box(screen_list->cv,
                   0, 0,
                   w, h, '#');
    caca_set_color_ansi(screen_list->cv, CACA_DEFAULT, CACA_DEFAULT);
    caca_draw_cp437_box(screen_list->cv,
                         0, 0,
                         w, h);

    caca_printf(screen_list->cv, 2, 1, "Num \tName");
    for(i = 0; i < screen_list->count; i++)
    {
        char line[1024];
        if(screen_list->cur_in_list == i)
            caca_set_color_ansi(screen_list->cv, CACA_BLACK, CACA_WHITE);
        else
            caca_set_color_ansi(screen_list->cv, CACA_DEFAULT, CACA_DEFAULT);
        sprintf(line, "%d \t%s", i+1, screen_list->screen[i]->title);

        caca_printf(screen_list->cv, 2, i+3, line);
    }
}

/* Close a window by animating it collapsing */
/* Total close time */
#define DELAY 500000.0f
int close_screen_recurrent(struct screen_list* screen_list, struct recurrent* rec, void *user, long long unsigned int t)
{
    long long unsigned int delta = t - rec->start_time;

    screen_list->dont_update_coords = 1;
    rec->kill_me = 0;
    if(delta>=DELAY)
    {
        rec->kill_me = 1;
        remove_screen(screen_list, screen_list->pty, 1);
        screen_list->pty = screen_list->prevpty;
        screen_list->prevpty = 0;
        screen_list->dont_update_coords = 0;
    }
    else
    {
        float r = 1 - ((DELAY - (DELAY - delta)) / DELAY);
        caca_canvas_t *old, *new;
        struct screen *s = screen_list->screen[screen_list->pty];
        int w = s->orig_w * r;
        int h = s->orig_h * r;

        /* libcaca canvas resize function is bugged, do it by hand  */
        old = s->cv;
        new = caca_create_canvas(w, h);
        caca_blit(new, 0, 0, old, NULL);
        s->cv = new;
        caca_free_canvas(old);
        set_tty_size(s->fd, w, h);

        s->w = w;
        s->h = h;

        s->x =
            (s->orig_x * r) +
            ((s->orig_w/2) - s->w/2);
        s->y =
            (s->orig_y * r) +
            ((s->orig_h/2) - s->h/2);
    }
    return 1;
}