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livetrax/gtk2_ardour/plugin_pin_dialog.cc

274 lines
8.3 KiB
C++

/*
* Copyright (C) 2016 Robin Gareus <robin@gareus.org>
* Copyright (C) 2011 Paul Davis
*
* 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 "gtkmm2ext/utils.h"
#include "gtkmm2ext/rgb_macros.h"
#include "plugin_pin_dialog.h"
#include "gui_thread.h"
#include "ui_config.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace std;
using namespace Gtk;
using namespace Gtkmm2ext;
PluginPinDialog::PluginPinDialog (boost::shared_ptr<ARDOUR::PluginInsert> pi)
: ArdourWindow (string_compose (_("Pin Configuration: %1"), pi->name ()))
, _pi (pi)
, _pin_box_size (4)
{
assert (pi->owner ()); // Route
_pi->PluginIoReConfigure.connect (
_plugin_connections, invalidator (*this), boost::bind (&PluginPinDialog::plugin_reconfigured, this), gui_context()
);
_pi->PluginMapChanged.connect (
_plugin_connections, invalidator (*this), boost::bind (&PluginPinDialog::plugin_reconfigured, this), gui_context()
);
darea.signal_expose_event().connect (sigc::mem_fun (*this, &PluginPinDialog::darea_expose_event));
// TODO min. width depending on # of pins.
darea.set_size_request(600, 200);
HBox* hbox = manage (new HBox);
hbox->pack_start (darea, true, true);
// TODO add info/settings table
// * show _pi->strict_io() -- inherited from route
// * show _pi->custom_cfg()
// Add/Remove instances
// Add/Remove output ports
// Reset Button custom-config to "Automatic"
VBox* vbox = manage (new VBox);
vbox->pack_start (*hbox, true, true);
add (*vbox);
}
PluginPinDialog::~PluginPinDialog()
{
}
void
PluginPinDialog::plugin_reconfigured ()
{
darea.queue_draw ();
}
void
PluginPinDialog::set_color (cairo_t* cr, bool midi)
{
// see also gtk2_ardour/processor_box.cc
static const uint32_t audio_port_color = 0x4A8A0EFF; // Green
static const uint32_t midi_port_color = 0x960909FF; //Red
if (midi) {
cairo_set_source_rgb (cr,
UINT_RGBA_R_FLT(midi_port_color),
UINT_RGBA_G_FLT(midi_port_color),
UINT_RGBA_B_FLT(midi_port_color));
} else {
cairo_set_source_rgb (cr,
UINT_RGBA_R_FLT(audio_port_color),
UINT_RGBA_G_FLT(audio_port_color),
UINT_RGBA_B_FLT(audio_port_color));
}
}
void
PluginPinDialog::draw_io_pins (cairo_t* cr, double y0, double width, uint32_t n_total, uint32_t n_midi, bool input)
{
double dir = input ? 1. : -1.;
for (uint32_t i = 0; i < n_total; ++i) {
double x0 = rint ((i + 1) * width / (1. + n_total)) - .5;
cairo_move_to (cr, x0, y0);
cairo_rel_line_to (cr, -5., -5. * dir);
cairo_rel_line_to (cr, 0., -25. * dir);
cairo_rel_line_to (cr, 10., 0.);
cairo_rel_line_to (cr, 0., 25. * dir);
cairo_close_path (cr);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_stroke_preserve (cr);
set_color (cr, i < n_midi);
cairo_fill (cr);
}
}
bool
PluginPinDialog::is_valid_port (uint32_t i, uint32_t n_total, uint32_t n_midi, bool midi)
{
if (!midi) { i += n_midi; }
if (i >= n_total) {
return false;
}
return true;
}
double
PluginPinDialog::pin_x_pos (uint32_t i, double x0, double width, uint32_t n_total, uint32_t n_midi, bool midi)
{
if (!midi) { i += n_midi; }
return rint (x0 + (i + 1) * width / (1. + n_total)) - .5;
}
void
PluginPinDialog::draw_plugin_pins (cairo_t* cr, double x0, double y0, double width, uint32_t n_total, uint32_t n_midi, bool input)
{
// see also ProcessorEntry::PortIcon::on_expose_event
const double dxy = _pin_box_size;
for (uint32_t i = 0; i < n_total; ++i) {
double x = rint (x0 + (i + 1) * width / (1. + n_total)) - .5;
cairo_rectangle (cr, x - dxy * .5, input ? y0 - dxy : y0, 1 + dxy, dxy);
set_color (cr, i < n_midi);
cairo_fill(cr);
}
}
void
PluginPinDialog::draw_connection (cairo_t* cr, double x0, double x1, double y0, double y1, bool midi, bool dashed)
{
double bz = 2 * _pin_box_size;
cairo_move_to (cr, x0, y0);
cairo_curve_to (cr, x0, y0 + bz, x1, y1 - bz, x1, y1);
cairo_set_line_width (cr, 3.0);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
cairo_set_source_rgb (cr, 1, 0, 0);
if (dashed) {
const double dashes[] = { 5, 7 };
cairo_set_dash (cr, dashes, 2, 0);
}
set_color (cr, midi);
cairo_stroke (cr);
if (dashed) {
cairo_set_dash (cr, 0, 0, 0);
}
}
bool
PluginPinDialog::darea_expose_event (GdkEventExpose* ev)
{
Gtk::Allocation a = darea.get_allocation();
double const width = a.get_width();
double const height = a.get_height();
_pin_box_size = rint (max (6., 8. * UIConfiguration::instance().get_ui_scale()));
cairo_t* cr = gdk_cairo_create (darea.get_window()->gobj());
cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
cairo_clip (cr);
Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
cairo_rectangle (cr, 0, 0, width, height);
cairo_fill (cr);
ChanCount in, out; // actual configured i/o
_pi->configured_io (in, out);
ChanCount sinks = _pi->natural_input_streams ();
ChanCount sources = _pi->natural_output_streams ();
uint32_t plugins = _pi->get_count ();
/* layout sizes */
// i/o pins
double y_in = 40;
double y_out = height - 40;
// plugin box(es)
double yc = rint (height * .5);
double bxh2 = 18;
double bxw = rint ((width * .9) / ((plugins) + .2 * (plugins - 1)));
double bxw2 = rint (bxw * .5);
// i/o pins
const uint32_t pc_in = in.n_total();
const uint32_t pc_in_midi = in.n_midi();
const uint32_t pc_out = out.n_total();
const uint32_t pc_out_midi = out.n_midi();
cairo_set_line_width (cr, 1.0);
draw_io_pins (cr, y_in, width, pc_in, pc_in_midi, true);
draw_io_pins (cr, y_out, width, pc_out, pc_out_midi, false);
// draw midi-bypass (behind)
if (sources.n_midi() == 0 && pc_in_midi > 0 && pc_out_midi > 0) {
double x0 = rint (width / (1. + pc_in)) - .5;
double x1 = rint (width / (1. + pc_out)) - .5;
draw_connection (cr, x0, x1, y_in, y_out, true, true);
}
for (uint32_t i = 0; i < plugins; ++i) {
double x0 = rint ((i + .5) * width / (double)(plugins)) - .5;
draw_plugin_pins (cr, x0 - bxw2, yc - bxh2, bxw, sinks.n_total (), sinks.n_midi (), true);
draw_plugin_pins (cr, x0 - bxw2, yc + bxh2, bxw, sources.n_total (), sources.n_midi (), false);
cairo_set_source_rgb (cr, .3, .3, .3);
rounded_rectangle (cr, x0 - bxw2, yc - bxh2, bxw, 2 * bxh2, 7);
cairo_fill (cr);
const ChanMapping::Mappings in_map = _pi->input_map (i).mappings();
const ChanMapping::Mappings out_map = _pi->output_map (i).mappings();
for (ChanMapping::Mappings::const_iterator t = in_map.begin (); t != in_map.end (); ++t) {
bool is_midi = t->first == DataType::MIDI;
for (ChanMapping::TypeMapping::const_iterator c = (*t).second.begin (); c != (*t).second.end () ; ++c) {
uint32_t pn = (*c).first; // pin
uint32_t pb = (*c).second;
if (!is_valid_port (pb, pc_in, pc_in_midi, is_midi)) {
continue;
}
double c_x0 = pin_x_pos (pb, 0, width, pc_in, pc_in_midi, is_midi);
double c_x1 = pin_x_pos (pn, x0 - bxw2, bxw, sinks.n_total (), sinks.n_midi (), is_midi);
draw_connection (cr, c_x0, c_x1, y_in, yc - bxh2 - _pin_box_size, is_midi);
}
}
for (ChanMapping::Mappings::const_iterator t = out_map.begin (); t != out_map.end (); ++t) {
bool is_midi = t->first == DataType::MIDI;
for (ChanMapping::TypeMapping::const_iterator c = (*t).second.begin (); c != (*t).second.end () ; ++c) {
uint32_t pn = (*c).first; // pin
uint32_t pb = (*c).second;
if (!is_valid_port (pb, pc_out, pc_out_midi, is_midi)) {
continue;
}
double c_x0 = pin_x_pos (pn, x0 - bxw2, bxw, sources.n_total (), sources.n_midi (), is_midi);
double c_x1 = pin_x_pos (pb, 0, width, pc_out, pc_out_midi, is_midi);
draw_connection (cr, c_x0, c_x1, yc + bxh2 + _pin_box_size, y_out, is_midi);
}
}
}
cairo_destroy (cr);
return true;
}