[55026d]: trunk / src / LV2 / gx_room_simulator.lv2 / widget.cpp  Maximize  Restore  History

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/*
* Copyright (C) 2012 Hermann Meyer, Andreas Degert, Pete Shorthose, Steve Poskitt
*
* 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 "widget.h"
#include <iostream>
/* @get controller by port
* this function is used by make_selector() make_controller_box()
* set_value() and on_value_changed()
* so controller widgets needs only here asined to a port,
* and all functions which need acess to the controller widget pointer
* can receive them by port number
*/
Gtk::Widget* Widget::get_controller_by_port(uint32_t port_index)
{
switch ((PortIndex)port_index )
{
case PREDELAYMS:
return &m_bigknob;
case RT:
return &m_bigknob1;
case ROOMSIZE:
return &m_bigknob2;
case DRYWET:
return &m_bigknob3;
case EFFECT:
return &m_switch;
default:
return NULL;
}
}
Widget::Widget(Glib::ustring plugname):
plug_name(plugname)
{
// create controllers for port name
make_controller_box(&m_vbox2, "Predelay", 1,200,1, PREDELAYMS);
make_controller_box(&m_vbox3, "FB", 0, 1, 0.05, RT);
make_controller_box(&m_vbox4, "Size", 0, 3, 0.05, ROOMSIZE);
make_controller_box(&m_vbox5, "Dry/Wet", 0.0, 1.0, 0.05, DRYWET);
make_switch_box(&m_vbox6, "Effect", EFFECT);
// set propertys for the main paintbox holding the skin
m_paintbox.set_border_width(0);
m_paintbox.set_spacing(0);
m_paintbox.set_homogeneous(false);
m_paintbox.set_name(plug_name);
m_paintbox.property_paint_func() = "amp_skin_expose";
m_paintbox.set_size_request( 186, 354 ) ;
add(m_paintbox);
table.resize(4, 2);
table.attach(m_vbox2,0,1,0,1);
table.attach(m_vbox4,1,2,0,1);
table.attach(m_vbox3,0,1,1,2);
table.attach(m_vbox5,1,2,1,2);
//Add label
label.set_text("Room Simulator");
label.set_angle(-15.0);
table.attach(label,0,2,2,3);
table.attach(m_vbox6,0,2,3,4);
m_paintbox.pack_start(table, Gtk::PACK_EXPAND_PADDING, 0);
// connect expose handler as resize handler
m_paintbox.signal_expose_event().connect(
sigc::mem_fun(this, &Widget::_expose_event), true);
set_app_paintable(true);
show_all();
}
Widget::~Widget()
{
}
// set borderwith for paintbox when widget resize
// to hold controllers in place
bool Widget::_expose_event(GdkEventExpose *event)
{
int x, y, width, height, depth;
m_paintbox.get_window()->get_geometry(x, y, width, height, depth);
//double_t height = m_paintbox.get_window()->get_height();
m_paintbox.set_border_width(height/10);
return false;
}
// create selectors from gxwmm
void Widget::make_selector(Glib::ustring labela,
Glib::ustring tables[],
size_t _size,
float min, float digits,
PortIndex port_name)
{
Gxw::Selector *regler = static_cast<Gxw::Selector*>
(get_controller_by_port(port_name));
if (regler)
{
float max = static_cast<float>(_size+1);
Gtk::TreeModelColumn<Glib::ustring> label;
Gtk::TreeModelColumnRecord rec;
rec.add(label);
Glib::RefPtr<Gtk::ListStore> ls = Gtk::ListStore::create(rec);
for (uint32_t i = 0 ; i< _size; ++i) {
ls->append()->set_value(0, tables[i]);
}
regler->set_model(ls);
regler->set_has_tooltip();
regler->set_tooltip_text(labela);
regler->cp_configure("SELECTOR", labela, min, max, digits);
regler->set_show_value(false);
regler->set_name(plug_name);
regler->signal_value_changed().connect(sigc::bind(sigc::mem_fun(
*this, &Widget::on_value_changed), port_name));
}
}
// create stackboxes with controllers for port name
void Widget::make_controller_box(Gtk::Box *box,
Glib::ustring label,
float min, float max,
float digits,
PortIndex port_name)
{
Gxw::Regler *regler = static_cast<Gxw::Regler*>(
get_controller_by_port(port_name));
if (regler)
{
Gtk::Label* pr = new Gtk::Label(label, 0);
pr->set_name("amplabel");
// use label images instead simple string labes
/*Glib::ustring label_image = GX_LV2_STYLE_DIR;
label_image += "/";
label_image += label;
label_image += "-label.png";
Gtk::Image *pr = new Gtk::Image(label_image);*/
Gtk::VBox* b1 = new Gtk::VBox();
box->pack_start( *Gtk::manage(b1), Gtk::PACK_EXPAND_PADDING);
box->pack_start( *Gtk::manage(pr),Gtk::PACK_SHRINK);
regler->cp_configure("KNOB", label, min, max, digits);
regler->set_show_value(false);
regler->set_name(plug_name);
box->pack_start(*regler,Gtk::PACK_SHRINK);
Gtk::VBox* b2 = new Gtk::VBox();
box->pack_start( *Gtk::manage(b2), Gtk::PACK_EXPAND_PADDING);
regler->signal_value_changed().connect(sigc::bind(sigc::mem_fun(
*this, &Widget::on_value_changed), port_name));
}
}
// create stackboxes with switch controller for port name
void Widget::make_switch_box(Gtk::Box *box,
Glib::ustring label,
PortIndex port_name)
{
Gxw::Switch *regler = static_cast<Gxw::Switch*>(
get_controller_by_port(port_name));
if (regler)
{
Gtk::Label* pr = new Gtk::Label(label, 0);
pr->set_name("amplabel");
// use label images instead simple string labes
/*Glib::ustring label_image = GX_LV2_STYLE_DIR;
label_image += "/"+plug_name+"-";
label_image += label;
label_image += "-label.png";
Gtk::Image *pr = new Gtk::Image(label_image);*/
regler->cp_configure("switch", label, 0, 1, 1);
regler->set_can_focus( false ) ;
regler->set_name(plug_name);
regler->set_base_name( "button" );
Gtk::VBox* b1 = new Gtk::VBox();
box->pack_start( *Gtk::manage(b1), Gtk::PACK_EXPAND_PADDING);
box->pack_start( *Gtk::manage(pr),Gtk::PACK_SHRINK);
box->pack_start(*regler,Gtk::PACK_SHRINK);
Gtk::VBox* b2 = new Gtk::VBox();
box->pack_start( *Gtk::manage(b2), Gtk::PACK_EXPAND_PADDING);
regler->signal_toggled().connect(sigc::bind(sigc::mem_fun(
*this, &Widget::on_value_changed), port_name));
}
}
// Create the Text Labels from images For Amp
void Widget::make_image(Gtk::Box *box,Glib::ustring label, bool start )
{
Glib::ustring label_image = GX_LV2_STYLE_DIR;
label_image += "/";
label_image += label;
label_image += ".png";
Gtk::Image *pr = new Gtk::Image(label_image);
pr->set_padding( 0, 0 ) ;
pr->set_alignment( Gtk::ALIGN_CENTER , Gtk::ALIGN_CENTER ) ;
// Gtk::VBox* b1 = new Gtk::VBox();
// box->pack_start( *Gtk::manage(b1), Gtk::PACK_EXPAND_PADDING);
if( start ){
// std::cout << "Pack Start "<<label<<std::endl;
box->pack_start( *Gtk::manage(pr),Gtk::PACK_SHRINK, 0);
}else{
// std::cout << "Pack End " << label << std::endl;
box->pack_end( *Gtk::manage(pr),Gtk::PACK_SHRINK, 0);
}
// Gtk::VBox* b2 = new Gtk::VBox();
// box->pack_end( *Gtk::manage(b2), Gtk::PACK_EXPAND_PADDING);
}
// receive controller value changes from host and set them to controller
void Widget::set_value(uint32_t port_index,
uint32_t format,
const void * buffer)
{
if ( format == 0 )
{
Gxw::Regler *regler = static_cast<Gxw::Regler*>(
get_controller_by_port(port_index));
if (regler)
{
float value = *static_cast<const float*>(buffer);
regler->cp_set_value(value);
}
}
}
// write (UI) controller value changes to the host->engine
void Widget::on_value_changed(uint32_t port_index)
{
Gxw::Regler *regler = static_cast<Gxw::Regler*>(
get_controller_by_port(port_index));
if (regler)
{
float value = regler->cp_get_value();
write_function(controller, port_index, sizeof(float), 0,
static_cast<const void*>(&value));
}
}

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