view src/visibility.c @ 1401:2fc1f54a1a3b

Mainly fix the clone_from_subtree to update the children of the parent node. We need to clearify all related codes in the future to make the logic more clear.
author wycc
date Sun, 03 Apr 2011 18:12:42 +0800
parents 586e50f82c1f
children
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line source

// -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
// vim: sw=4:ts=8:sts=4
#include <stdio.h>
#include <stdlib.h>
#include "mb_animate.h"

typedef struct _mb_visibility mb_visibility_t;

struct _mb_visibility {
    mb_action_t action;
    int visibility;
    coord_t *coord;
};

static void mb_visibility_start(mb_action_t *act,
				const mb_timeval_t *now,
				const mb_timeval_t *playing_time,
				redraw_man_t *rdman) {
    mb_visibility_t *visibility = (mb_visibility_t *)act;

    switch(visibility->visibility) {
    case VIS_VISIBLE:
	coord_show(visibility->coord);
	break;
    case VIS_HIDDEN:
	coord_hide(visibility->coord);
	break;
    }
    rdman_coord_changed(rdman, visibility->coord);
}

static void mb_visibility_step(mb_action_t *act,
			       const mb_timeval_t *now,
			       redraw_man_t *rdman) {
}

static void mb_visibility_stop(mb_action_t *act,
			       const mb_timeval_t *now,
			       redraw_man_t *rdman) {
}

static void mb_visibility_free(mb_action_t *act) {
    free(act);
}

mb_action_t *mb_visibility_new(int visib, coord_t *coord,
			       mb_word_t *word) {
    mb_visibility_t *visibility;

    visibility = (mb_visibility_t *)malloc(sizeof(mb_visibility_t));
    if(visibility == NULL)
	return NULL;

    visibility->visibility = visib;
    visibility->coord = coord;

    visibility->action.start = mb_visibility_start;
    visibility->action.step = mb_visibility_step;
    visibility->action.stop = mb_visibility_stop;
    visibility->action.free = mb_visibility_free;

    mb_word_add_action(word, (mb_action_t *)visibility);

    return (mb_action_t *)visibility;
}