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view src/mbaf/animated_menu.c @ 1381:9a585df24e52

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Consider the width and height attribute for the rect elements. The inkscape will change the width and height directly without using transform when we resize the rectangle.
author wycc
date Wed, 23 Mar 2011 23:02:36 +0800
parents 1993e5ae60aa
children
line wrap: on
line source

// -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
// vim: sw=4:ts=8:sts=4
#include <stdio.h>
#include <mb.h>
#include <string.h>
//#include "menu.h"
#include "mb_af.h"
#include "mb_ani_menu.h"
static void mb_animated_menu_update(mb_animated_menu_t *m);
static void set_text(coord_t *g, char *text)
{
    geo_t *geo;
    shape_t *shape;

    FOR_COORD_MEMBERS(g, geo) {
        shape = geo_get_shape(geo);
#ifdef SH_TEXT
        if(shape->obj.obj_type == MBO_TEXT) {
		sh_text_set_text(shape, text);
        }
#endif
    }
}

static void mb_animated_menu_fillMenuContent(mb_animated_menu_t *m)
{
    int i;
    coord_t *textgroup;
    coord_t *group;
    coord_t *lightbar;

    // fill new item
    for(i=0;i<8;i++) {
        group = (coord_t *) m->objects[m->items[i]];
	if (i < m->max)
	        set_text(group, m->titles[m->top+i]);
	else
	        set_text(group, "");
    	rdman_coord_changed(MBAF_RDMAN(m->app),group);
    }


    textgroup = (coord_t *) m->objects[m->items[i]];
    coord_hide(textgroup);
    rdman_coord_changed(MBAF_RDMAN(m->app),textgroup);

    lightbar = (coord_t *) m->lightbar;
    group = (coord_t *) m->objects[m->cur];
    coord_y(lightbar) = coord_y(group);
    rdman_coord_changed(MBAF_RDMAN(m->app),lightbar);
    rdman_redraw_changed(MBAF_RDMAN(m->app));
}

static void mb_animated_menu_complete(event_t *ev,void *arg)
{
    mb_animated_menu_t *m = (mb_animated_menu_t *) arg;

    m->ready++;
}

static void mb_animated_menu_fillMenuContentUp(mb_animated_menu_t *m)
{
    int i;
    coord_t *textgroup;
    coord_t *group;
    coord_t *lightbar;
    int tmp;
    mb_timeval_t start, playing, now;
    mb_progm_t *progm;
    mb_word_t *word;


    // fill new item
    group = (coord_t *) m->objects[m->items[8]];
    set_text(group, m->titles[m->top]);

    m->progm = progm = mb_progm_new(2, MBAF_RDMAN(m->app));
    MB_TIMEVAL_SET(&start, 0, 0);
    MB_TIMEVAL_SET(&playing, 0, m->speed);
    word = mb_progm_next_word(progm, &start, &playing);
    get_now(&now);

    for(i=0;i<7;i++) {
	//shift to the next item
        textgroup = (coord_t *) m->objects[m->items[i]];
	mb_shift_new(0,m->menus_y[i+1]-coord_y(textgroup), textgroup,word);
    }
    // fade out the item[7]
    textgroup = (coord_t *) m->objects[m->items[7]];
    mb_shift_new(0,100, textgroup,word);

    // fade in the item[8]
    textgroup = (coord_t *) m->objects[m->items[8]];
    group = (coord_t *) m->objects[m->items[0]];
    coord_y(textgroup) = m->menus_y[0]-100;
    coord_show(textgroup);
    mb_shift_new(0,100, textgroup,word);

    lightbar = (coord_t *) m->lightbar;
    mb_shift_new(0,m->menus_y[m->cur]-coord_y(lightbar),lightbar,word);

    MB_TIMEVAL_SET(&start, 0, m->speed);
    MB_TIMEVAL_SET(&playing, 0, 0);
    word = mb_progm_next_word(progm, &start, &playing);
    textgroup = (coord_t *) m->objects[m->items[7]];
    mb_visibility_new(VIS_HIDDEN, textgroup,word);

    mb_progm_free_completed(progm);
    m->ready--;
    subject_add_observer(mb_progm_get_complete(progm), mb_animated_menu_complete,m);
    mb_progm_start(progm, mb_runtime_timer_man(MBAF_RDMAN(m->app)->rt), &now);
    rdman_redraw_changed(MBAF_RDMAN(m->app));
    tmp = m->items[8];
    for(i=8;i>0;i--) {
	m->items[i] = m->items[i-1];
    }
    m->items[0] = tmp;
}


static void mb_animated_menu_fillMenuContentDown(mb_animated_menu_t *m)
{
    int i;
    int tmp;
    mb_timeval_t start, playing, now;
    mb_progm_t *progm;
    mb_word_t *word;


    // fill new item
    set_text((coord_t *)m->objects[m->items[8]], m->titles[m->top+7]);

    m->progm = progm = mb_progm_new(2, MBAF_RDMAN(m->app));
    MB_TIMEVAL_SET(&start, 0, 0);
    MB_TIMEVAL_SET(&playing, 0, m->speed);
    word = mb_progm_next_word(progm, &start, &playing);
    get_now(&now);

    for(i=1;i<8;i++) {
	//shift to the next item
	mb_shift_new(0,m->menus_y[i-1]-coord_y((coord_t *)m->objects[m->items[i]]), (coord_t *) m->objects[m->items[i]],word);
    }
    // fade out the item[0]
    mb_shift_new(0,-100, (coord_t *)m->objects[m->items[0]],word);

    // fade in the item[8]
    coord_y((coord_t *)m->objects[m->items[8]]) = m->menus_y[7]+100;
    coord_show(((coord_t *)(m->objects[m->items[8]])));
    mb_shift_new(0,-100, (coord_t *)m->objects[m->items[8]],word);

    mb_shift_new(0,m->menus_y[m->cur]-coord_y((coord_t *)m->lightbar),((coord_t *)(m->lightbar)),word);

    MB_TIMEVAL_SET(&start, 0, m->speed);
    MB_TIMEVAL_SET(&playing, 0, 0);
    word = mb_progm_next_word(progm, &start, &playing);
    mb_visibility_new(VIS_VISIBLE, (coord_t *) m->objects[m->items[0]],word);

    mb_progm_free_completed(progm);
    m->ready--;
    subject_add_observer(mb_progm_get_complete(progm), mb_animated_menu_complete,m);
    mb_progm_start(progm, mb_runtime_timer_man(MBAF_RDMAN(m->app)->rt), &now);
    rdman_redraw_changed(MBAF_RDMAN(m->app));
    tmp = m->items[0];
    for(i=0;i<8;i++) {
	m->items[i] = m->items[i+1];
    }
    m->items[8] = tmp;
}

void mb_animated_menu_moveLightBar(mb_animated_menu_t *m)
{
    mb_timeval_t start, playing, now;
    mb_progm_t *progm;
    mb_word_t *word;
    coord_t *lightbar;

    m->progm = progm = mb_progm_new(1, MBAF_RDMAN(m->app));
    MB_TIMEVAL_SET(&start, 0, 0);
    MB_TIMEVAL_SET(&playing, 0, m->speed);
    word = mb_progm_next_word(progm, &start, &playing);
    get_now(&now);

    lightbar = (coord_t *) m->lightbar;
    mb_shift_new(0,m->menus_y[m->cur]-coord_y(lightbar),lightbar,word);
    mb_progm_free_completed(progm);
    m->ready--;
    subject_add_observer(mb_progm_get_complete(progm), mb_animated_menu_complete,m);
    mb_progm_start(progm, mb_runtime_timer_man(MBAF_RDMAN(m->app)->rt), &now);
    rdman_redraw_changed(MBAF_RDMAN(m->app));
}

static void mb_animated_menu_up(mb_animated_menu_t *m)
{
    if (m->cur > 5) {
	m->cur--;
        mb_animated_menu_moveLightBar(m);
	mb_animated_menu_update(m);
    } else {
        if (m->top > 0) {
	    m->top--;
            mb_animated_menu_fillMenuContentUp(m);
	    mb_animated_menu_update(m);
        } else {
	    if (m->cur == 0)
	        return;
	    m->cur--;
            mb_animated_menu_moveLightBar(m);
	    mb_animated_menu_update(m);
	}
    }
}
static void mb_animated_menu_down(mb_animated_menu_t *m)
{

    if (m->cur < 5) {
	if (m->top+m->cur <= m->max) {
	    m->cur++;
            mb_animated_menu_moveLightBar(m);
	    mb_animated_menu_update(m);
	}
    } else  {
        if ((m->top+8) < m->max-1) {
	    m->top++;
            mb_animated_menu_fillMenuContentDown(m);
	    mb_animated_menu_update(m);
        } else {
   	    if (m->cur+m->top < m->max-1) {
	        m->cur++;
                mb_animated_menu_moveLightBar(m);
	        mb_animated_menu_update(m);
	    } else
	        return;
	}
    }
}

void mb_animated_menu_set_update_callback(mb_animated_menu_t *m, void (*f)(mb_animated_menu_t *m, int sel))
{
   m->update_callback = f;
}
void mb_animated_menu_set_callback(mb_animated_menu_t *m, void (*f)(mb_animated_menu_t *m, int sel))
{
   m->callback = f;
}
static void mb_animated_menu_update(mb_animated_menu_t *m)
{
   if (m->update_callback)
	   m->update_callback(m,m->top+m->cur);

}
static void mb_animated_menu_select(mb_animated_menu_t *m)
{
   if (m->callback)
	   m->callback(m,m->top+m->cur);
}

// Send the pending key in the animation progm complete callback
static void mb_animated_menu_keyHandler(event_t *ev, void *arg);
static void mb_animated_menu_send_pending_key(event_t *ev,void *arg)
{
    mb_animated_menu_t *m = (mb_animated_menu_t *) arg;
    mb_kb_event_t *xkey;

    xkey = &m->pending_keys[m->pending_pos];
    m->pending_pos = (m->pending_pos + 1) & 0xf;
    mb_animated_menu_keyHandler((event_t *) xkey, m);
}
static void mb_animated_menu_keyHandler(event_t *ev, void *arg)
{
    mb_animated_menu_t *m = (mb_animated_menu_t *) arg;
    mb_kb_event_t *xkey = (mb_kb_event_t *)ev;
    if(xkey->event.type != EVT_KB_PRESS) {
        return;
    }
    if (m->ready<=0) {
	    m->pending_keys[m->pending_last++] = *xkey;
	    m->pending_last &= 0xf;
	    if(m->pending_last == m->pending_pos)
		m->pending_last = (m->pending_last - 1) & 0xf;
	    else
		subject_add_observer(mb_progm_get_complete(m->progm),
				     mb_animated_menu_send_pending_key,
				     m);
	    return;
    }
    switch(xkey->sym) {
    case 0xff51:		/* left */
	break;

    case 0xff52:		/* up */
	mb_animated_menu_up(m);
	break;

    case 0xff53:		/* right */
	break;

    case 0xff54:		/* down */
	mb_animated_menu_down(m);
	break;

    case 0xff0d:		/* enter */
	mb_animated_menu_select(m);
	break;
    default:
	return;
    }
}

/** \brief Create an instace of animated menu.
 *
 *   The objectnames is used to extract symbols from the SVG file.
 *         ${objectnames}0 - ${objectnames}8 is the text object.
 *         ${objectnames}_lightbar is the lightbar.
 *
 */
mb_animated_menu_t *mb_animated_menu_new(mbaf_t *app,mb_sprite_t *sp,char *objnames,char *menus[])
{
    mb_animated_menu_t *m;
    int i;
    char name[255];
    mb_obj_t *l;
    int ii;

    if (menus == NULL)
	    i=0;
    else
	    for(i=0;menus[i];i++);
    ii=9;

    m = (mb_animated_menu_t *) malloc(sizeof(mb_animated_menu_t));
    m->items = (int *) malloc(sizeof(int)*ii*2+sizeof(mb_obj_t *)*ii);
    m->app = app;
    m->sprite = sp;
    m->top = 0;
    m->cur = 0;
    m->ready = 1;
    m->max = i;
    m->menus_y = (int *) (m->items+ii);
    m->objects = (mb_obj_t **) (m->menus_y+ii);
    m->callback = NULL;
    m->update_callback = NULL;
    m->speed = 300000;
    for(i=0;i<9;i++) {
        m->items[i] = i;
	snprintf(name,sizeof(name),"%s%d", objnames, i+1);
	l = MB_SPRITE_GET_OBJ(sp,name);
	if (l == NULL) {
		fprintf(stderr,"Can not find symbol %s\n",name);
	}
	m->objects[i] = (mb_obj_t *) l;
	m->menus_y[i] = coord_y((coord_t*)l);
    }
    m->titles = menus;
    snprintf(name,sizeof(name), "%s_lightbar", objnames);
    m->lightbar = (mb_obj_t *) MB_SPRITE_GET_OBJ(sp,name);
    if (m->lightbar==NULL)
	    fprintf(stderr,"Can not find object %s\n",name);
    m->pending_pos = m->pending_last = 0;
    mb_animated_menu_fillMenuContent(m);
    subject_add_observer(MBAF_KB_SUBJECT(app), mb_animated_menu_keyHandler,m);
    return m;
}

void mb_animated_menu_set_titles(mb_animated_menu_t *m, char *menus[])
{
    int i;
    for(i=0;menus[i];i++);

    m->max = i;
    m->top = 0;
    m->cur = 0;
    m->titles = menus;
    mb_animated_menu_fillMenuContent(m);
    mb_animated_menu_moveLightBar(m);
}


void mb_animated_menu_set_speed(mb_animated_menu_t *m,int speed)
{
    m->speed = speed*1000;
}

int mb_animated_menu_get_speed(mb_animated_menu_t *m)
{
    return m->speed/1000;
}