calendar.c

编译后直接运行的ＭＰ３播放器全部Ｃ语言源代码 一个包含FAT文件系统、系统引导 Boot、FLASH Driver等内容的

        return true;
    }
    else if (fp != -1)
        rb->close(fp);
    else if (fq != -1)
        rb->close(fq);
    return false;
}

static void add_memo(struct shown *shown, int type)
{
    bool saved = false;
    if (rb->kbd_input(memos[memos_in_memory].message,
                      sizeof memos[memos_in_memory].message) != -1)
    {
        if (memos[memos_in_memory].message != "")
    	{
            memos[memos_in_memory].file_pointer_start = 0;
            memos[memos_in_memory].file_pointer_end = 0;
            memos[memos_in_memory].day = shown->mday;
            memos[memos_in_memory].month = shown->mon;
            memos[memos_in_memory].wday = shown->wday;
            memos[memos_in_memory].year = shown->year;
            memos[memos_in_memory].type = type;
            if (save_memo(memos_in_memory,true,shown))
            {
                saved = true;
                memos_in_memory++;
            }
            else
            {
                memos[memos_in_memory].file_pointer_start = 0;
                memos[memos_in_memory].file_pointer_end = 0;
                memos[memos_in_memory].day = 0;
                memos[memos_in_memory].month = 0;
                memos[memos_in_memory].year = 0;
                memos[memos_in_memory].type = 0;
                memos[memos_in_memory].wday = 0;
            }
        }
    }
    rb->lcd_clear_display();
    if(use_system_font)
        rb->lcd_setfont(FONT_SYSFIXED);
    if (saved)
        rb->lcd_puts(0,0,"Event added");
    else
        rb->lcd_puts(0,0,"Event not added");
    rb->lcd_update();
    rb->sleep(HZ/2);
}

static bool edit_memo(int change, struct shown *shown)
{
    bool exit = false;
    rb->lcd_clear_display();
    if (memos_in_shown_memory > 0)
    {
        rb->lcd_puts(0,0,"Remove : Up");
        rb->lcd_puts(0,1,"Edit : Down");
        rb->lcd_puts(0,2,"New :");
        rb->lcd_puts(2,3,"weekly : Left");
        rb->lcd_puts(2,4,"monthly : Play");
        rb->lcd_puts(2,5,"annually : Right");
        rb->lcd_puts(2,6,"one off : On");
    }
    else
    {
        rb->lcd_puts(0,0,"New :");
        rb->lcd_puts(2,1,"weekly : Left");
        rb->lcd_puts(2,2,"monthly : Play");
        rb->lcd_puts(2,3,"anualy : Right");
        rb->lcd_puts(2,4,"one off : On");
    }
    rb->lcd_update();
    while (!exit)
    {
        switch (rb->button_get(true))
        {
            case BUTTON_OFF:
                return false;

            case BUTTON_LEFT:
                add_memo(shown,0);
                return false;

            case BUTTON_PLAY:
                add_memo(shown,1);
                return false;

            case BUTTON_RIGHT:
                add_memo(shown,2);
                return false;

            case BUTTON_ON:
                add_memo(shown,3);
                return false;

            case BUTTON_DOWN:
                if (memos_in_shown_memory > 0)
                {
                    if(rb->kbd_input(memos[pointer_array[change]].message,
                                     sizeof memos[pointer_array[change]].message) != -1)
                        save_memo(pointer_array[change],true,shown);
                    if(use_system_font)
                        rb->lcd_setfont(FONT_SYSFIXED);
                    exit = true;
                }
                break;

            case BUTTON_UP:
                if (memos_in_shown_memory > 0)
                {
                    save_memo(pointer_array[change],false,shown);
                    exit = true;
                }
                break;

            case SYS_USB_CONNECTED:
                return true;
        }
    }
    return false;
}

static int start = 0;

static void show_lines(int selected, struct shown *shown)
{
    int lines,j = 1,w,h,i,k = 0, pos = 1,m = 0;
    char temp[MAX_CHAR_MEMO_LEN + 12];
    rb->lcd_getstringsize("A",&w,&h);
    lines = (LCD_HEIGHT / h) - 1;
        
    rb->lcd_clear_display();
    rb->lcd_puts(0,0,"Events (play : menu)");
    
    while (selected >= (lines + start))
        start++;
    while (selected < start)
        start--;
    i = start;
    while ( (i < memos_in_shown_memory) && (k < lines) )
    {
        if (memos[pointer_array[i]].type == 2)
            rb->snprintf(temp, sizeof temp, "%s (%d yrs)",
                         memos[pointer_array[i]].message,
                         shown->year - memos[pointer_array[i]].year);
        else
            rb->snprintf(temp, sizeof temp, "%s",
                         memos[pointer_array[i]].message);
        m = 0;
        if (i == selected)
        {
            pos = k + 1;
            rb->lcd_puts_scroll(m,j++,temp);
        }
        else
            rb->lcd_puts(m,j++,temp);
        k++;
        i++;
    }
    rb->lcd_invertrect(0, (pos) * h, LCD_WIDTH, h);
}

static void update_memos_shown(struct shown *shown)
{
    int i;
    memos_in_shown_memory = 0;
    start = 0;
    for (i = 0; i < memos_in_memory; i++)
        if (
            (memos[i].day == shown->mday)
            ||
            (
             (memos[i].type < 1)
             &&
             (memos[i].wday == shown->wday)
            )
           )
            pointer_array[memos_in_shown_memory++] = i;
}

static bool any_events(struct shown *shown, bool force)
{
    int lines_displayed = 0;
    bool exit=false;
    update_memos_shown(shown);
    if (memos_in_shown_memory > 0)
        show_lines(lines_displayed,shown);
    else if (force)
        return edit_memo(lines_displayed, shown);
    else
        return false;
    rb->lcd_update();
    while (!exit)
    {
        switch (rb->button_get(true))
        {
            case BUTTON_DOWN:
                if (memos_in_shown_memory > 0)
                {
                    lines_displayed++;
                    if (lines_displayed >= memos_in_shown_memory)
                        lines_displayed = memos_in_shown_memory - 1;
                    show_lines(lines_displayed,shown);
                    rb->lcd_update();
                }
                break;

            case BUTTON_UP:
                if (memos_in_shown_memory > 0)
                {
                    lines_displayed--;
                    if (lines_displayed < 0)
                        lines_displayed = 0;
                    show_lines(lines_displayed,shown);
                    rb->lcd_update();
                }
                break;

            case BUTTON_PLAY:
                return edit_memo(lines_displayed, shown);

            case BUTTON_OFF:
                return false;

            case SYS_USB_CONNECTED:
                return true;
        }
    }
    return false;
}

static void next_month(struct shown *shown, int step)
{
    shown->mon++;
    if (shown->mon > 12)
    {
        shown->mon=1;
        shown->year++;
        leap_year = is_leap_year(shown->year);
    }
    else if (step > 0)
        shown->mday = shown->mday - days_in_month[leap_year][shown->mon-1];
    else if (shown->mday > days_in_month[leap_year][shown->mon])
        shown->mday = days_in_month[leap_year][shown->mon];
    shown->firstday = shown->lastday;
    load_memo(shown);
    draw_calendar(shown);
}

static void prev_month(struct shown *shown, int step)
{
    shown->mon--;
    if (shown->mon < 1)
    {
        shown->mon = 12;
        shown->year--;
        leap_year = is_leap_year(shown->year);
    }
    if (step > 0)
        shown->mday = shown->mday + days_in_month[leap_year][shown->mon];
    else if (shown->mday > days_in_month[leap_year][shown->mon])
        shown->mday = days_in_month[leap_year][shown->mon];
    shown->firstday += 7 - (days_in_month[leap_year][shown->mon] % 7);
    load_memo(shown);
    draw_calendar(shown);
}

static void next_day(struct shown *shown, int step)
{
    shown->mday += step;
    if (shown->mday > days_in_month[leap_year][shown->mon])
        next_month(shown, step);
    else
        draw_calendar(shown);
}

static void prev_day(struct shown *shown, int step)
{
    shown->mday -= step;
    if (shown->mday < 1)
        prev_month(shown, step);
    else
        draw_calendar(shown);
}

enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
    struct today today;
    struct shown shown;
    bool exit = false;
    TEST_PLUGIN_API(api);
    (void)(parameter);
    
    rb = api;

    calendar_init(&today, &shown);
    load_memo(&shown);
    any_events(&shown, false);
    draw_calendar(&shown);
    while (!exit)
    {
        switch (rb->button_get(true))
        {
            case BUTTON_OFF:
                return false;

            case BUTTON_ON | BUTTON_DOWN:
            case BUTTON_ON | BUTTON_DOWN | BUTTON_REPEAT:
                next_month(&shown, 0);
                break;

            case BUTTON_ON | BUTTON_UP:
            case BUTTON_ON | BUTTON_UP | BUTTON_REPEAT:
                prev_month(&shown, 0);
                break;

            case BUTTON_DOWN:
            case BUTTON_DOWN | BUTTON_REPEAT:
                next_day(&shown, 7);
                break;

            case BUTTON_UP:
            case BUTTON_UP | BUTTON_REPEAT:
                prev_day(&shown, 7);
                break;

            case BUTTON_LEFT:
            case BUTTON_LEFT | BUTTON_REPEAT:
                prev_day(&shown, 1);
                break;

            case BUTTON_RIGHT:
            case BUTTON_RIGHT | BUTTON_REPEAT:
                next_day(&shown, 1);
                break;

            case BUTTON_PLAY:
                if (any_events(&shown, true))
                    rb->usb_screen();
                draw_calendar(&shown);
                break;

            case SYS_USB_CONNECTED:
                rb->usb_screen();
                draw_calendar(&shown);
                break;
        }
    }
    return false;
}

#endif