Work on panner widget.
This commit is contained in:
Jonathan Moore Liles
parent
bd64101c75
commit
4db2918b03
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@ -5,6 +5,9 @@ code_name {.C}
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decl {\#include "DPM.H"} {public global
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}
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decl {\#include "Panner.H"} {public global
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}
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decl {\#include "Fl_Scalepack.H"} {public global
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}
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@ -53,7 +56,7 @@ widget_class Mixer_Strip {open
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xywh {9 208 33 448} type {Vert Knob} color 32 selection_color 1 minimum 1.5 maximum 0 step 0.01 value 1 textsize 14
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}
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Fl_Pack meters_pack {
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label meters open selected
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label meters open
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xywh {56 208 55 471} type HORIZONTAL labeltype NO_LABEL align 0
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class Fl_Scalepack
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} {
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@ -80,8 +83,9 @@ widget_class Mixer_Strip {open
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}
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}
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Fl_Box {} {
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label {<Panner>}
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xywh {6 693 110 90} box UP_FRAME
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label Pan selected
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xywh {6 693 110 90} box THIN_UP_BOX labelsize 11 align 1
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class Panner
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}
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Fl_Progress {} {
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xywh {8 789 110 21} labeltype NO_LABEL
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@ -0,0 +1,185 @@
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/*******************************************************************************/
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/* Copyright (C) 2008 Jonathan Moore Liles */
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/* */
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/* This program is free software; you can redistribute it and/or modify it */
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/* under the terms of the GNU General Public License as published by the */
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/* Free Software Foundation; either version 2 of the License, or (at your */
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/* option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, but WITHOUT */
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
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/* more details. */
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/* */
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/* You should have received a copy of the GNU General Public License along */
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/* with This program; see the file COPYING. If not,write to the Free Software */
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/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*******************************************************************************/
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#pragma once
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#include <FL/Fl_Widget.H>
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#include <FL/fl_draw.H>
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#include <vector>
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using namespace std;
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class Panner : public Fl_Widget
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{
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struct Point
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{
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/* axes */
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float x, y;
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Point ( ) : x( 0.0f ), y( 0.0f ) { }
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Point ( float X, float Y ) : x( X ), y( Y ) { }
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};
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/* channel configuration */
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int _ins,
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_outs;
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vector <Point> _points;
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static int pw ( void ) { return 6; }
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static int ph ( void ) { return 6; }
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void bbox ( int &X, int &Y, int &W, int &H )
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{
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W = w() - Fl::box_dw( box() ) - pw();
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H = h() - Fl::box_dh( box() ) - ph();
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X = x() + Fl::box_dx( box() );
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Y = y() + Fl::box_dy( box() );
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}
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public:
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Panner ( int X, int Y, int W, int H, const char *L = 0 ) :
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Fl_Widget( X, Y, W, H, L )
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{
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_ins = _outs = 4;
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_points.push_back( Point( -1, -1 ) );
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_points.push_back( Point( 1, 1 ) );
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_points.push_back( Point( -1, 1 ) );
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_points.push_back( Point( 1, -1 ) );
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_outs = 5;
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}
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virtual ~Panner ( ) { }
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Point *
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event_point ( void )
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{
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int X, Y, W, H;
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bbox( X, Y, W, H );
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for ( int i = _ins; i--; )
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{
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Point *p = &_points[ i ];
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if ( Fl::event_inside( X + ((p->x * (W / 2)) + (W / 2)),
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Y + ((p->y * (H / 2)) + (H / 2)), pw(), ph() ) )
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return p;
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}
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return NULL;
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}
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virtual void
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draw ( void )
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{
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draw_box();
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// draw_box( FL_FLAT_BOX, x(), y(), w(), h(), FL_BLACK );
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draw_label();
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int tw, th, tx, ty;
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bbox( tx, ty, tw, th );
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fl_color( FL_GRAY );
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switch ( _outs )
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{
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case 2: /* stereo */
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case 4: /* quad */
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fl_line( x(), y(), x()+ w(), y() + h() );
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fl_line( x() + w(), y(), x(), y() + h() );
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break;
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case 5: /* 5.1 */
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fl_line( x(), y(), x() + w(), y() + h() );
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fl_line( x() + w(), y(), x(), y() + h() );
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fl_line( x() + (w() / 2), y(), x() + (w() / 2), y() + (h() / 2) );
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break;
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}
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for ( int i = _ins; i--; )
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{
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Point *p = &_points[ i ];
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fl_color( (Fl_Color) 10 + i );
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const int bx = tx + ((tw / 2) * p->x + (tw / 2));
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const int by = ty + ((th / 2) * p->y + (th / 2));
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fl_rectf( bx, by, pw(), ph() );
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char pat[4];
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snprintf( pat, 4, "%d", i + 1 );
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fl_color( FL_BLACK );
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fl_font( FL_HELVETICA, ph() + 2 );
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fl_draw( pat, bx, by + ph() );
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}
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}
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virtual int
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handle ( int m )
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{
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static Point *drag;
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switch ( m )
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{
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case FL_PUSH:
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if ( ( drag = event_point() ) )
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{
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printf( "bing\n" );
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return 1;
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}
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else
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return 0;
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case FL_RELEASE:
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drag = NULL;
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return 1;
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case FL_DRAG:
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{
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float X = Fl::event_x() - x();
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float Y = Fl::event_y() - y();
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drag->x = (float)(X / (w() / 2)) - 1.0f;
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drag->y = (float)(Y / (h() / 2)) - 1.0f;
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redraw();
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return 1;
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}
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}
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return 0;
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}
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};
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