non/canvas.H

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/*******************************************************************************/
/* Copyright (C) 2007-2008 Jonathan Moore Liles */
/* */
/* 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; see the file COPYING. If not,write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*******************************************************************************/
#pragma once
#include "grid.H"
#include "gui/draw.H"
#include <sigc++/sigc++.h>
using namespace sigc;
class Mapping;
struct cell_t {
unsigned char color;
unsigned char shape : 4;
unsigned char state : 4;
unsigned char flags : 4;
bool
operator!= ( const cell_t &rhs )
{
return color != rhs.color || shape != rhs.shape || state != rhs.state || flags != rhs.flags;
}
};
enum { LEFT, RIGHT, UP, DOWN, TO_PLAYHEAD, TO_NEXT_NOTE, TO_PREV_NOTE };
class Canvas : public trackable
{
struct {
int origin_x, origin_y;
int width, height;
int margin_left, margin_top;
int div_w, div_h;
int border_w;
int old_div_w, old_div_h;
int maxh;
bool ruler_drawn;
bool mapping_drawn;
bool grid_drawn;
int playhead; /* where the playhead is for this canvas. only used for display. */
/* /\* these are in logical units, not pixels *\/ */
/* int w, h; /\* viewport *\/ */
/* int x, y; /\* pan position *\/ */
enum { PATTERN, SEQUENCE } mode;
Grid *grid; /* grid currently connected to this canvas */
size_t size;
cell_t **current, **previous;
bool draw; /* really drawing, or just checking size? */
int rule;
bool row_compact; /* use row-compaction? */
/* tables used for row-compaction */
int rtn[128]; /* row-to-note */
int ntr[128]; /* note-to-row */
int shape;
Viewport *vp;
int w, h;
uint p1, p2; /* cursors */
} m;
int rtn ( int r ) const;
int ntr ( int n ) const;
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void _update_row_mapping ( void );
cell_t ** _alloc_array ( void );
void redraw_ruler ( void );
void redraw_mapping ( void );
void draw_mapping ( void );
void draw_ruler ( void );
void _reset ( void );
void _lr ( void );
bool viewable_x ( int x );
void draw_line ( int x, int flags );
public:
enum { OFF, ON, TOGGLE };
signal <void> signal_settings_change;
signal <void> signal_draw;
signal <void> signal_resize;
Canvas ( );
void handle_event_change ( void );
void set ( int x, int y );
void grid ( Grid *g );
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void changed_mapping ( void );
Grid * grid ( void );
void resize ( void );
void resize_grid ( void );
void resize ( int x, int y, int w, int h );
void copy ( void );
void clear ( void );
void flip ( void );
void draw_row_name ( int y, const char *name, int color );
void draw_shape ( int x, int y, int shape, int state, int color, bool selected );
void draw_dash ( int x, int y, int l, int shape, int color, bool selected );
int draw_playhead ( void );
void draw ( void );
void redraw ( void );
bool grid_pos ( int *x, int *y ) const;
int is_row_name ( int x, int y );
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void unset ( int x, int y );
void adj_color ( int x, int y, int n );
void adj_length ( int x, int y, int n );
void select ( int x, int y );
void select_range ( void );
void duplicate_range ( void );
void crop ( void );
void row_compact ( int n );
void pan ( int dir, int n );
void h_zoom ( float n );
void v_zoom ( float n );
void notes ( char *s );
char * notes ( void );
void randomize_row ( int y );
void delete_time ( void );
void insert_time ( void );
void move_selected ( int dir, int n );
};
inline int
Canvas::rtn ( int r ) const
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{
return m.row_compact ? m.rtn[ r ] : r;
}
inline int
Canvas::ntr ( int n ) const
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{
return m.row_compact ? m.ntr[ n ] : n;
}