-Refactored Avtk::Volume

main
Harry van Haaren 2013-09-08 14:24:27 +01:00
parent 8554816fd3
commit 1a8edaaa1b
5 changed files with 295 additions and 241 deletions

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@ -1,240 +0,0 @@
/*
* Author: Harry van Haaren 2013
* harryhaaren@gmail.com
*
* 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., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
*/
#ifndef AVTK_VOLUME_H
#define AVTK_VOLUME_H
#include <FL/Fl_Widget.H>
#include <FL/Fl_Slider.H>
#include <valarray>
#include <string>
namespace Avtk
{
class Volume : public Fl_Slider
{
public:
Volume(int _x, int _y, int _w, int _h, const char *_label = 0):
Fl_Slider(_x, _y, _w, _h, _label)
{
x = _x;
y = _y;
w = _w;
h = _h;
label = _label;
mouseClickedX = 0;
mouseClickedY = 0;
mouseClicked = false;
active = true;
highlight = false;
ampL = 0;
ampR = 0;
compress = 0;
value( 0.78f );
}
void fader( float f )
{
// redraw on larger value change
if ( fabsf( value() - f ) > 0.05 )
value( f );
}
void amplitude (float aL, float aR)
{
// only redraw if changed more than 0.05
if ( fabsf(ampL - aL) > 0.05 ||
fabsf(ampR - aR) > 0.05 )
{
ampL = aL;
ampR = aR;
redraw();
}
}
void compression(float c) {compress = c; redraw();}
bool active;
bool highlight;
int x, y, w, h;
const char* label;
int mouseClickedX;
int mouseClickedY;
bool mouseClicked;
float ampL, ampR;
float compress;
void set_active(bool a)
{
active = a;
redraw();
}
void draw()
{
if (damage() & FL_DAMAGE_ALL)
{
cairo_t *cr = Fl::cairo_cc();
cairo_save( cr );
cairo_set_line_width(cr, 1.5);
// fill background
cairo_rectangle( cr, x, y, w, h);
cairo_set_source_rgba(cr, 66 / 255.f, 66 / 255.f , 66 / 255.f, 0.4);
//cairo_set_source_rgb( cr, 28 / 255.f, 28 / 255.f , 28 / 255.f );
cairo_fill( cr );
//cairo_set_dash ( cr, dashes, 1, 0.0);
cairo_set_line_width( cr, 1.0);
// loop over each 2nd line, drawing dots
cairo_set_line_width(cr, 1.0);
cairo_set_source_rgb(cr, 0.4,0.4,0.4);
for ( int i = 0; i < 2; i++ )
{
cairo_move_to( cr, x + ((w / 2.f)*i), y );
cairo_line_to( cr, x + ((w / 2.f)*i), y + h );
}
for ( int i = 0; i < 4; i++ )
{
cairo_move_to( cr, x , y + ((h / 4.f)*i) );
cairo_line_to( cr, x + w, y + ((h / 4.f)*i) );
}
cairo_set_source_rgba( cr, 66 / 255.f, 66 / 255.f , 66 / 255.f , 0.5 );
cairo_stroke(cr);
//cairo_set_dash ( cr, dashes, 0, 0.0);
// audio level
cairo_rectangle(cr, x+w*0.15, y+h*(1-ampL), 9.9, h - h*(1-ampL) );
cairo_rectangle(cr, x+w*0.56, y+h*(1-ampR), 9.9, h - h*(1-ampR) );
cairo_set_source_rgba( cr, 0 / 255.f, 153 / 255.f , 255 / 255.f , 0.21 );
cairo_fill_preserve( cr );
cairo_set_source_rgba( cr, 0 / 255.f, 153 / 255.f , 255 / 255.f , 1 );
cairo_stroke(cr);
// compression
//cairo_rectangle(cr, x+w*0.45, y+h - h*(1-ampL), 8.9, h*(1-ampL));
// fader
cairo_rectangle(cr, x+5, y+2+(h-24)*(1-value()), w-10, 20);
cairo_set_source_rgba( cr, 1.0f, 0.48, 0.f, 1);
cairo_set_line_width(cr, 1.9);
cairo_stroke( cr );
// stroke outline
cairo_rectangle(cr, x, y, w, h);
cairo_set_source_rgb(cr, 0.0, 0.0, 0.0);
cairo_set_line_width(cr, 1.9);
cairo_stroke( cr );
cairo_restore( cr );
}
}
void resize(int X, int Y, int W, int H)
{
Fl_Widget::resize(X,Y,W,H);
x = X;
y = Y;
w = W;
h = H;
redraw();
}
int handle(int event)
{
switch(event)
{
case FL_PUSH:
highlight = 0;
redraw();
return 1;
case FL_DRAG:
{
if ( Fl::event_state(FL_BUTTON1) )
{
if ( mouseClicked == false ) // catch the "click" event
{
mouseClickedX = Fl::event_x();
mouseClickedY = Fl::event_y();
mouseClicked = true;
}
float deltaY = mouseClickedY - Fl::event_y();
float valY = value();
valY += deltaY / h;
if ( valY > 1.0 ) valY = 1.0;
if ( valY < 0.0 ) valY = 0.0;
//handle_drag( value + deltaY );
set_value( valY );
mouseClickedX = Fl::event_x();
mouseClickedY = Fl::event_y();
redraw();
do_callback();
}
}
return 1;
case FL_ENTER:
return 1;
case FL_RELEASE:
if (highlight) {
highlight = 0;
redraw();
do_callback();
}
mouseClicked = false;
return 1;
case FL_SHORTCUT:
if ( test_shortcut() )
{
do_callback();
return 1;
}
return 0;
default:
return Fl_Widget::handle(event);
}
}
private:
};
} // Avtk
#endif // AVTK_VOLUME_H

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src/avtk/volume.cxx Normal file
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/*
* Author: Harry van Haaren 2013
* harryhaaren@gmail.com
*
* 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., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
*/
#include "volume.hxx"
using namespace Avtk;
Volume::Volume(int _x, int _y, int _w, int _h, const char *_label ):
Fl_Slider(_x, _y, _w, _h, _label)
{
x = _x;
y = _y;
w = _w;
h = _h;
label = _label;
mouseClickedX = 0;
mouseClickedY = 0;
mouseClicked = false;
active = true;
highlight = false;
ampL = 0;
ampR = 0;
compress = 0;
value( 0.78f );
}
void Volume::fader( float f )
{
// redraw on larger value change
if ( fabsf( value() - f ) > 0.05 )
value( f );
}
void Volume::amplitude (float aL, float aR)
{
// only redraw if changed more than 0.05
if ( fabsf(ampL - aL) > 0.05 ||
fabsf(ampR - aR) > 0.05 )
{
ampL = aL;
ampR = aR;
redraw();
}
}
void Volume::compression(float c)
{
compress = c;
redraw();
}
void Volume::setOrientationHorizontal()
{
orientationHorizontal = true;
redraw();
}
void Volume::set_active(bool a)
{
active = a;
redraw();
}
void Volume::draw()
{
if (damage() & FL_DAMAGE_ALL)
{
cairo_t *cr = Fl::cairo_cc();
cairo_save( cr );
cairo_set_line_width(cr, 1.5);
// fill background
cairo_rectangle( cr, x, y, w, h);
cairo_set_source_rgba(cr, 66 / 255.f, 66 / 255.f , 66 / 255.f, 0.4);
//cairo_set_source_rgb( cr, 28 / 255.f, 28 / 255.f , 28 / 255.f );
cairo_fill( cr );
//cairo_set_dash ( cr, dashes, 1, 0.0);
cairo_set_line_width( cr, 1.0);
// loop over each 2nd line, drawing dots
cairo_set_line_width(cr, 1.0);
cairo_set_source_rgb(cr, 0.4,0.4,0.4);
for ( int i = 0; i < 2; i++ )
{
cairo_move_to( cr, x + ((w / 2.f)*i), y );
cairo_line_to( cr, x + ((w / 2.f)*i), y + h );
}
for ( int i = 0; i < 4; i++ )
{
cairo_move_to( cr, x , y + ((h / 4.f)*i) );
cairo_line_to( cr, x + w, y + ((h / 4.f)*i) );
}
cairo_set_source_rgba( cr, 66 / 255.f, 66 / 255.f , 66 / 255.f , 0.5 );
cairo_stroke(cr);
//cairo_set_dash ( cr, dashes, 0, 0.0);
// audio level
cairo_rectangle(cr, x+w*0.15, y+h*(1-ampL), 9.9, h - h*(1-ampL) );
cairo_rectangle(cr, x+w*0.56, y+h*(1-ampR), 9.9, h - h*(1-ampR) );
cairo_set_source_rgba( cr, 0 / 255.f, 153 / 255.f , 255 / 255.f , 0.21 );
cairo_fill_preserve( cr );
cairo_set_source_rgba( cr, 0 / 255.f, 153 / 255.f , 255 / 255.f , 1 );
cairo_stroke(cr);
// compression
//cairo_rectangle(cr, x+w*0.45, y+h - h*(1-ampL), 8.9, h*(1-ampL));
// fader
cairo_rectangle(cr, x+5, y+2+(h-24)*(1-value()), w-10, 20);
cairo_set_source_rgba( cr, 1.0f, 0.48, 0.f, 1);
cairo_set_line_width(cr, 1.9);
cairo_stroke( cr );
// stroke outline
cairo_rectangle(cr, x, y, w, h);
cairo_set_source_rgb(cr, 0.0, 0.0, 0.0);
cairo_set_line_width(cr, 1.9);
cairo_stroke( cr );
cairo_restore( cr );
}
}
void Volume::resize(int X, int Y, int W, int H)
{
Fl_Widget::resize(X,Y,W,H);
x = X;
y = Y;
w = W;
h = H;
redraw();
}
int Volume::handle(int event)
{
switch(event)
{
case FL_PUSH:
highlight = 0;
redraw();
return 1;
case FL_DRAG:
{
if ( Fl::event_state(FL_BUTTON1) )
{
if ( mouseClicked == false ) // catch the "click" event
{
mouseClickedX = Fl::event_x();
mouseClickedY = Fl::event_y();
mouseClicked = true;
}
float deltaY = mouseClickedY - Fl::event_y();
float valY = value();
valY += deltaY / h;
if ( valY > 1.0 ) valY = 1.0;
if ( valY < 0.0 ) valY = 0.0;
//handle_drag( value + deltaY );
set_value( valY );
mouseClickedX = Fl::event_x();
mouseClickedY = Fl::event_y();
redraw();
do_callback();
}
}
return 1;
case FL_ENTER:
return 1;
case FL_RELEASE:
if (highlight) {
highlight = 0;
redraw();
do_callback();
}
mouseClicked = false;
return 1;
case FL_SHORTCUT:
if ( test_shortcut() )
{
do_callback();
return 1;
}
return 0;
default:
return Fl_Widget::handle(event);
}
}

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src/avtk/volume.hxx Normal file
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/*
* Author: Harry van Haaren 2013
* harryhaaren@gmail.com
*
* 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., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
*/
#ifndef AVTK_VOLUME_H
#define AVTK_VOLUME_H
#include <FL/Fl.H>
#include <FL/Fl_Widget.H>
#include <FL/Fl_Slider.H>
#include <valarray>
#include <string>
namespace Avtk
{
class Volume : public Fl_Slider
{
public:
Volume(int _x, int _y, int _w, int _h, const char *_label = 0);
void set_active(bool a);
void setOrientationHorizontal();
void fader( float f );
void compression(float c);
void amplitude (float aL, float aR);
void draw();
int handle(int event);
void resize(int X, int Y, int W, int H);
private:
bool active;
bool highlight;
bool orientationHorizontal;
int x, y, w, h;
const char* label;
int mouseClickedX;
int mouseClickedY;
bool mouseClicked;
float ampL, ampR;
float compress;
};
} // Avtk
#endif // AVTK_VOLUME_H

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@ -17,6 +17,7 @@
#include "avtk/avtk_light_button.h"
#include "avtk/avtk_sidechain_gain.h"
#include "avtk/volume.hxx"
#include "avtk/clipselector.hxx"
#include "eventhandler.hxx"

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@ -11,12 +11,12 @@
#include <FL/Fl_Native_File_Chooser.H>
#include "avtk/avtk_dial.h"
#include "avtk/avtk_volume.h"
#include "avtk/avtk_button.h"
#include "avtk/avtk_background.h"
#include "avtk/avtk_light_button.h"
#include "avtk/avtk_radial_status.h"
#include "avtk/volume.hxx"
#include "avtk/clipselector.hxx"
#include "config.hxx"