/**
 * $Id:
 *
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version. 
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The Original Code is Copyright (C) 2008 Blender Foundation.
 * All rights reserved.
 *
 * 
 * Contributor(s): Blender Foundation
 *
 * ***** END GPL LICENSE BLOCK *****
 */
#ifndef ED_SEQUENCER_INTERN_H
#define ED_SEQUENCER_INTERN_H

/* internal exports only */

struct Sequence;
struct bContext;
struct rctf;
struct SpaceSeq;
struct ARegion;
struct Scene;

/* sequencer_header.c */
void sequencer_header_buttons(const struct bContext *C, struct ARegion *ar);

/* sequencer_draw.c */
void drawseqspace(const struct bContext *C, struct ARegion *ar);

/* sequencer_edit.c */
int check_single_seq(struct Sequence *seq);
int seq_tx_get_final_left(struct Sequence *seq, int metaclip);
int seq_tx_get_final_right(struct Sequence *seq, int metaclip);
void seq_rectf(struct Sequence *seq, struct rctf *rectf);
void boundbox_seq(struct Scene *scene, struct rctf *rect);
struct Sequence *get_last_seq(struct Scene *scene);
struct Sequence *find_nearest_seq(struct Scene *scene, struct View2D *v2d, int *hand, short mval[2]);
struct Sequence *find_neighboring_sequence(struct Scene *scene, struct Sequence *test, int lr, int sel);
void deselect_all_seq(struct Scene *scene);
void recurs_sel_seq(struct Sequence *seqm);

void set_last_seq(struct Scene *scene, struct Sequence *seq);


/* operators */
struct wmOperatorType;
struct wmWindowManager;
void SEQUENCER_OT_cut(struct wmOperatorType *ot);
void SEQUENCER_OT_mute(struct wmOperatorType *ot);
void SEQUENCER_OT_unmute(struct wmOperatorType *ot);
void SEQUENCER_OT_deselect_all(struct wmOperatorType *ot);
void SEQUENCER_OT_select(struct wmOperatorType *ot);
void SEQUENCER_OT_select_more(struct wmOperatorType *ot);
void SEQUENCER_OT_select_less(struct wmOperatorType *ot);
void SEQUENCER_OT_select_linked(struct wmOperatorType *ot);
void SEQUENCER_OT_select_pick_linked(struct wmOperatorType *ot);
void SEQUENCER_OT_borderselect(struct wmOperatorType *ot);
void SEQUENCER_OT_select_invert(struct wmOperatorType *ot);

/* RNA enums, just to be more readable */
enum {
    SEQ_LEFT,
    SEQ_RIGHT,
};
enum {
    SEQ_CUT_SOFT,
    SEQ_CUT_HARD,
};
enum {
    SEQ_SELECTED,
    SEQ_UNSELECTED,
};

/* defines used internally */
#define SEQ_ALLSEL	(SELECT+SEQ_LEFTSEL+SEQ_RIGHTSEL)
#define SEQ_DESEL	~SEQ_ALLSEL
#define SCE_MARKERS 0 // XXX - dummy

/* sequencer_ops.c */
void sequencer_operatortypes(void);
void sequencer_keymap(struct wmWindowManager *wm);

/* sequencer_scope.c */
struct ImBuf *make_waveform_view_from_ibuf(struct ImBuf * ibuf);
struct ImBuf *make_sep_waveform_view_from_ibuf(struct ImBuf * ibuf);
struct ImBuf *make_vectorscope_view_from_ibuf(struct ImBuf * ibuf);
struct ImBuf *make_zebra_view_from_ibuf(struct ImBuf * ibuf, float perc);
struct ImBuf *make_histogram_view_from_ibuf(struct ImBuf * ibuf);

#endif /* ED_SEQUENCER_INTERN_H */