demo.c

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#include <emul/emul.h>
#include <kern/proc.h>
#include <kern/msg.h>
#include <drv/timer.h>
#include <drv/buzzer.h>
#include <drv/lcd_gfx.h>
#include <drv/kbd.h>
#include <gfx/gfx.h>
#include <gfx/win.h>
#include <gfx/text.h>
#include <gfx/font.h>
#include <gui/menu.h>
#include <icons/logo.h>
#include <cfg/macros.h>

void schedule(void)
{
    lcd_blitBitmap(&lcd_bitmap);
    emul_idle();
}

static void magic(struct Bitmap *bitmap, coord_t x, coord_t y)
{
    static const coord_t coords[] = { 120, 34, 90, 90, 30, 90, 0, 34, 60, 0, 90, 90, 0, 34, 120, 34, 30, 90, 60, 0 };
    unsigned int i;

    gfx_moveTo(bitmap, coords[countof(coords)-2]/2 + x, coords[countof(coords)-1]/3 + y);
    for (i = 0; i < countof(coords); i += 2)
        gfx_lineTo(bitmap, coords[i]/2 + x, coords[i+1]/3 + y);
}

static void hello_world(Bitmap *bm)
{
    extern const Font font_ncenB18;
    const Font *old_font = bm->font;

    gfx_bitmapClear(bm);

    /* Set big font */
    gfx_setFont(bm, &font_ncenB18);

    text_xprintf(bm, 1, 0, STYLEF_BOLD | TEXT_FILL | TEXT_CENTER,
            "Hello, world!");

    lcd_blitBitmap(bm);
    timer_delay(1000);

    /* Restore old font */
    gfx_setFont(bm, old_font);
}

static void bouncing_logo(Bitmap *bm)
{
    const long SPEED_SCALE = 1000;
    const long GRAVITY_ACCEL = 10;
    const long BOUNCE_ELASTICITY = 2;
    long h = (long)(-bertos_logo.height) * SPEED_SCALE;
    long speed = 1000;

    /* Repeat until logo stands still on the bottom edge */
    while (!((speed == 0) && (h == 0)))
    {
        /* Move */
        h += speed;

        /* Gravity acceleration */
        speed += GRAVITY_ACCEL;

        if (h > 0 && speed > 0)
        {
            /* Bounce */
            speed = - (speed / BOUNCE_ELASTICITY);

        }

        /* Update graphics */
        gfx_bitmapClear(bm);
        gfx_blitImage(bm,
            (bm->width - bertos_logo.width) / 2,
            h / SPEED_SCALE,
            &bertos_logo);
        lcd_blitBitmap(bm);

        timer_delay(10);
    }
}

void win_demo(Bitmap *bm)
{
    const coord_t small_left = 45, small_top = 30, small_width = 50, small_height = 30;
    const coord_t large_left = -10, large_top = 10, large_width = 85, large_height = 41;

    Window root_win, small_win, large_win;
    Bitmap small_bm, large_bm;
    uint8_t small_raster[RAST_SIZE(small_width, small_height)];
    uint8_t large_raster[RAST_SIZE(large_width, large_height)];

    win_create(&root_win, bm);

    gfx_bitmapInit(&large_bm, large_raster, large_width, large_height);
    win_create(&large_win, &large_bm);
    win_open(&large_win, &root_win);
    win_move(&large_win, large_left, large_top);

    gfx_bitmapInit(&small_bm, small_raster, small_width, small_height);
    win_create(&small_win, &small_bm);
    win_open(&small_win, &root_win);
    win_move(&small_win, small_left, small_top);


    coord_t x = 0, y = LCD_WIDTH / 2;
    coord_t xdir = +1, ydir = -1;
    coord_t xdir_large = +1;
    coord_t ydir_small = +1;
    int raise_counter = 0;
    int i;

    for(;;)
    {
        /* Background animation */
        bm = root_win.bitmap;
        gfx_bitmapClear(bm);
//      gfx_setClipRect(bm, 0, 0, bm->width, bm->height);
//      gfx_rectDraw(bm, 10, 10, bm->width-10, bm->height-10);
//      gfx_setClipRect(bm, 11, 11, bm->width-11, bm->height-11);
        magic(bm, x, y);
        x += xdir;
        y += ydir;
        if (x >= bm->width)  xdir = -1;
        if (x <= -50)        xdir = +1;
        if (y >= bm->height) ydir = -1;
        if (y <= -50)        ydir = +1;

        /* Large window animation */
        bm = large_win.bitmap;
        gfx_bitmapClear(bm);
        for (i = 0; i < bm->height / 2; i += 2)
            gfx_rectDraw(bm, 0 + i, 0 + i, bm->width - i, bm->height - i);


        /* Small window animation */
        bm = small_win.bitmap;
        gfx_bitmapClear(bm);
        gfx_rectDraw(bm, 0, 0, bm->width, bm->height);
        gfx_line(bm, 0, 0, bm->width, bm->height);
        gfx_line(bm, bm->width, 0, 0, bm->height);

        /* Move windows around */
        win_move(&large_win, large_win.geom.xmin + xdir_large, large_top);
        if (large_win.geom.xmin < -20) xdir_large = +1;
        if (large_win.geom.xmin > RECT_WIDTH(&root_win.geom) - 5) xdir_large = -1;

        win_move(&small_win, small_left, small_win.geom.ymin + ydir_small);
        if (small_win.geom.ymin < -20) ydir_small = +1;
        if (small_win.geom.ymin > RECT_HEIGHT(&root_win.geom) - 5) ydir_small = -1;

        ++raise_counter;
        if (raise_counter % 997 == 0)
            win_raise(&small_win);
        else if (raise_counter % 731 == 0)
            win_raise(&large_win);

        win_compose(&root_win);

        /* Also does LCD refresh, etc. */
        if (kbd_peek())
            break;
    }
}

void proc_demo(void)
{
    extern void proc_test(void);
// FIXME: proc_test() cause segmentation fault. 
    proc_test();
}


/* SETTINGS SUBMENU */

static struct MenuItem settings_items[] =
{
    { (const_iptr_t)"System",     0, (MenuHook)0,  (iptr_t)0 },
    { (const_iptr_t)"Language",   0, (MenuHook)0,  (iptr_t)0 },
    { (const_iptr_t)"Networking", 0, (MenuHook)0,  (iptr_t)0 },
    { (const_iptr_t)"Date & Time",0, (MenuHook)0,  (iptr_t)0 },
    { (const_iptr_t)"Power Saving", MIF_TOGGLE, (MenuHook)0, (iptr_t)0 },
    { (const_iptr_t)0, 0, NULL, (iptr_t)0 }
};
static struct Menu settings_menu = { settings_items, "Settings Menu", MF_STICKY | MF_SAVESEL, &lcd_bitmap, 0 };


/* MX SUBMENU */

static struct MenuItem mx_items[] =
{
    { (const_iptr_t)"Mouse",                  MIF_CHECKIT | MIF_EXCLUDE_1 | MIF_EXCLUDE_2, (MenuHook)0,  (iptr_t)0 },
    { (const_iptr_t)"Keyboard", MIF_CHECKED | MIF_CHECKIT | MIF_EXCLUDE_0 | MIF_EXCLUDE_2, (MenuHook)0,  (iptr_t)0 },
    { (const_iptr_t)"Joystick", MIF_CHECKIT | MIF_EXCLUDE_0 | MIF_EXCLUDE_1, (MenuHook)0,  (iptr_t)0 },
    { (const_iptr_t)"Autosave", MIF_CHECKED | MIF_CHECKIT | MIF_TOGGLE, (MenuHook)0,  (iptr_t)0 },
    { (const_iptr_t)0, 0, NULL, (iptr_t)0 }
};

static struct Menu mx_menu = { mx_items, (const_iptr_t)0, MF_STICKY | MF_SAVESEL, &lcd_bitmap, 0 };


/* DISPLAY SUBMENU */

static struct MenuItem display_items[] =
{
    { (const_iptr_t)"Background", 0, (MenuHook)0, (iptr_t)0 },
    { (const_iptr_t)"Colors",     0, (MenuHook)0, (iptr_t)0 },
    { (const_iptr_t)"Style",      0, (MenuHook)0, (iptr_t)0 },
    { (const_iptr_t)"Icon Theme", 0, (MenuHook)0, (iptr_t)0 },
    { (const_iptr_t)0, 0, NULL, (iptr_t)0 }
};
static struct Menu display_menu = { display_items, "Display Menu", MF_SAVESEL, &lcd_bitmap, 0 };


/* MAIN MENU */

static struct MenuItem main_items[] =
{
    { (const_iptr_t)"Win Fly",     0, (MenuHook)win_demo,     (iptr_t)&lcd_bitmap    },
    { (const_iptr_t)"Bounce!",     0, (MenuHook)bouncing_logo,(iptr_t)&lcd_bitmap    },
    { (const_iptr_t)"Hello World", 0, (MenuHook)hello_world,  (iptr_t)&lcd_bitmap    },
    { (const_iptr_t)"Scheduling",  0, (MenuHook)proc_demo,    (iptr_t)&lcd_bitmap    },
    { (const_iptr_t)"Menu MX",     0, (MenuHook)menu_handle,  (iptr_t)&mx_menu       },
    { (const_iptr_t)"Display",     0, (MenuHook)menu_handle,  (iptr_t)&display_menu  },
    { (const_iptr_t)"Settings",    0, (MenuHook)menu_handle,  (iptr_t)&settings_menu },
    { (const_iptr_t)0, 0, NULL, (iptr_t)0 }
};
static struct Menu main_menu = { main_items, "Main Menu", MF_STICKY, &lcd_bitmap, 0 };


int main(int argc, char *argv[])
{
    emul_init(&argc, argv);
    timer_init();
    buz_init();
    kbd_init();
    lcd_init();
    proc_init();

    menu_handle(&main_menu);

    emul_cleanup();
    return 0;
}