Add tempo track and tempo_point widgets.

pull/3/head
Jonathan Moore Liles 2008-02-20 19:51:40 -06:00
parent cec2dc4afd
commit ff0614c7ae
2 changed files with 127 additions and 35 deletions

150
Region.H
View File

@ -53,6 +53,16 @@ protected:
public:
Track_Widget ( )
{
_track = NULL;
_offset = _start = _end = 0;
_selected = false;
}
Fl_Group * parent ( void ) const { return _track; }
int scroll_x ( void ) const { return timeline.ts_to_x( timeline.xoffset ); }
@ -63,7 +73,7 @@ public:
int x ( void ) const { return _offset < timeline.xoffset ? -1 : min( 32767, _track->x() + timeline.ts_to_x( _offset - timeline.xoffset ) ); }
// int x ( void ) const { return (short)( _track->x() + timeline.ts_to_x( _offset - timeline.xoffset )); }
int w ( void ) const { return timeline.ts_to_x( _end - _start ); }
virtual int w ( void ) const { return timeline.ts_to_x( _end - _start ); }
// int w ( void ) const { return timeline.ts_to_x( (_end - _start) - ( timeline.xoffset - _offset) ); }
Fl_Color color ( void ) { return _color; }
@ -80,60 +90,130 @@ public:
void start ( nframes_t v ) { _start = v; }
nframes_t start ( void ) const { return _start; }
nframes_t length ( void ) const { return _end - _start; }
virtual nframes_t length ( void ) const { return _end - _start; }
/* just draw a simple box */
virtual void
draw ( int X, int Y, int W, int H )
{
fl_draw_box( FL_FLAT_BOX, X, Y, W, H, _box_color );
fl_draw_box( FL_FLAT_BOX, x(), y(), w(), y(), _box_color );
}
/* base hanlde just does basic dragging */
virtual int
handle ( int m ) { return 0; }
};
class Tempo : public Track_Widget
{
float _tempo;
void
draw ( int X, int Y, int W, int H )
handle ( int m )
{
static int ox, oy;
int X = Fl::event_x();
int Y = Fl::event_y();
switch ( m )
{
case FL_PUSH:
{
ox = x() - X;
oy = y() - Y;
return 1;
}
case FL_RELEASE:
fl_cursor( FL_CURSOR_DEFAULT );
return 1;
case FL_DRAG:
{
if ( ox + X >= _track->x() )
{
int nx = ox + X;
_offset = timeline.x_to_ts( nx ) + timeline.xoffset;
_track->snap( this );
}
_track->redraw();
fl_cursor( FL_CURSOR_MOVE );
return 1;
}
default:
return 0;
}
}
};
class Region : public Track_Widget
{
Clip *_clip; /* clip this region represents */
class Tempo_Point : public Track_Widget
{
float _tempo;
float _scale; /* amplitude adjustment */
static Fl_Boxtype box ( void ) { return FL_UP_BOX; }
static Fl_Boxtype _box;
static Fl_Color _selection_color;
static Fl_Color selection_color ( void ) { return _selection_color; }
static void selection_color ( Fl_Color v ) { _selection_color = v; }
static Fl_Boxtype box ( void ) { return _box; }
public:
enum trim_e { NO, LEFT, RIGHT };
void trim ( enum trim_e t, int X );
void init ( void );
Tempo_Point ( )
{
_tempo = 120;
_offset = 0;
_start = 0;
_end = 300;
}
public:
Tempo_Point ( nframes_t when, float bpm )
{
_tempo = bpm;
_offset = when;
_start = 0;
_end = 300;
}
Region ( const Region & rhs );
Region ( Clip *c );
int w ( void ) const { return 10; }
nframes_t length ( void ) const { return timeline.x_to_ts( w() ); }
int handle ( int m );
void draw ( int X, int Y, int W, int H );
void resize ( void );
void
draw ( int X, int Y, int W, int H )
{
if ( x() < 0 )
return;
};
fl_draw_box( box(), x(), Y, w(), H, _box_color );
char pat[40];
snprintf( pat, 40, "%.1f", _tempo );
fl_font( FL_HELVETICA, 14 );
fl_color( FL_YELLOW );
fl_draw( pat, x() + w(), Y, w(), h(), FL_ALIGN_LEFT );
}
};
class Region : public Track_Widget
{
Clip *_clip; /* clip this region represents */
float _scale; /* amplitude adjustment */
static Fl_Boxtype _box;
static Fl_Color _selection_color;
static Fl_Color selection_color ( void ) { return _selection_color; }
static void selection_color ( Fl_Color v ) { _selection_color = v; }
static Fl_Boxtype box ( void ) { return _box; }
enum trim_e { NO, LEFT, RIGHT };
void trim ( enum trim_e t, int X );
void init ( void );
public:
Region ( const Region & rhs );
Region ( Clip *c );
int handle ( int m );
void draw ( int X, int Y, int W, int H );
void resize ( void );
};

12
main.C
View File

@ -132,6 +132,17 @@ main ( int argc, char **argv )
// Fl_Group *pack = new Fl_Group( 0, 0, 5000, 600 );
{
Track *tempo_track = new Track( 0, 0, 800, 24 );
tempo_track->label( "tempo map" );
tempo_track->add( new Tempo_Point );
tempo_track->add( new Tempo_Point( 56000, 250 ) );
tempo_track->end();
}
Track *track1 = new Track( 40, 0, 800, 100 );
// pack->type( Fl_Pack::VERTICAL );
@ -170,6 +181,7 @@ main ( int argc, char **argv )
track2->add( wave2 );
track2->end();
track1->next( track2 );