git-svn-id: svn://localhost/ardour2/branches/3.0@8956 d708f5d6-7413-0410-9779-e7cbd77b26cf
816 lines
21 KiB
C++
816 lines
21 KiB
C++
/*
|
|
Copyright (C) 2002 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
*/
|
|
|
|
#include <cmath>
|
|
#include <climits>
|
|
#include <string.h>
|
|
|
|
#include <cairo.h>
|
|
#include <gtkmm/menu.h>
|
|
|
|
#include "gtkmm2ext/gtk_ui.h"
|
|
|
|
#include "pbd/error.h"
|
|
#include "pbd/cartesian.h"
|
|
#include "ardour/panner.h"
|
|
#include "ardour/pannable.h"
|
|
#include "ardour/speakers.h"
|
|
|
|
#include "panner2d.h"
|
|
#include "keyboard.h"
|
|
#include "gui_thread.h"
|
|
#include "utils.h"
|
|
#include "public_editor.h"
|
|
|
|
#include "i18n.h"
|
|
|
|
using namespace std;
|
|
using namespace Gtk;
|
|
using namespace ARDOUR;
|
|
using namespace PBD;
|
|
using Gtkmm2ext::Keyboard;
|
|
|
|
Panner2d::Target::Target (const AngularVector& a, const char *txt)
|
|
: position (a)
|
|
, text (txt)
|
|
, _selected (false)
|
|
{
|
|
}
|
|
|
|
Panner2d::Target::~Target ()
|
|
{
|
|
}
|
|
|
|
void
|
|
Panner2d::Target::set_text (const char* txt)
|
|
{
|
|
text = txt;
|
|
}
|
|
|
|
Panner2d::Panner2d (boost::shared_ptr<Panner> p, int32_t h)
|
|
: panner (p)
|
|
, position (AngularVector (0.0, 0.0), "")
|
|
, width (0)
|
|
, height (h)
|
|
, last_width (0)
|
|
{
|
|
panner->StateChanged.connect (connections, invalidator (*this), boost::bind (&Panner2d::handle_state_change, this), gui_context());
|
|
|
|
panner->pannable()->pan_azimuth_control->Changed.connect (connections, invalidator(*this), boost::bind (&Panner2d::handle_position_change, this), gui_context());
|
|
panner->pannable()->pan_width_control->Changed.connect (connections, invalidator(*this), boost::bind (&Panner2d::handle_position_change, this), gui_context());
|
|
|
|
drag_target = 0;
|
|
set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
|
|
|
|
handle_position_change ();
|
|
}
|
|
|
|
Panner2d::~Panner2d()
|
|
{
|
|
for (Targets::iterator i = targets.begin(); i != targets.end(); ++i) {
|
|
delete *i;
|
|
}
|
|
}
|
|
|
|
void
|
|
Panner2d::reset (uint32_t n_inputs)
|
|
{
|
|
uint32_t nouts = panner->out().n_audio();
|
|
|
|
/* pucks */
|
|
|
|
while (pucks.size() < n_inputs) {
|
|
add_puck ("", AngularVector());
|
|
}
|
|
|
|
if (pucks.size() > n_inputs) {
|
|
for (uint32_t i = pucks.size(); i < n_inputs; ++i) {
|
|
delete pucks[i];
|
|
}
|
|
|
|
pucks.resize (n_inputs);
|
|
}
|
|
|
|
label_pucks ();
|
|
|
|
for (uint32_t i = 0; i < n_inputs; ++i) {
|
|
pucks[i]->position = panner->signal_position (i);
|
|
}
|
|
|
|
/* add all outputs */
|
|
|
|
while (targets.size() < nouts) {
|
|
add_target (AngularVector());
|
|
}
|
|
|
|
if (targets.size() > nouts) {
|
|
for (uint32_t i = nouts; i < targets.size(); ++i) {
|
|
delete targets[i];
|
|
}
|
|
|
|
targets.resize (nouts);
|
|
}
|
|
|
|
for (Targets::iterator x = targets.begin(); x != targets.end(); ++x) {
|
|
(*x)->visible = false;
|
|
}
|
|
|
|
vector<Speaker>& speakers (panner->get_speakers()->speakers());
|
|
|
|
for (uint32_t n = 0; n < nouts; ++n) {
|
|
char buf[16];
|
|
|
|
snprintf (buf, sizeof (buf), "%d", n+1);
|
|
targets[n]->set_text (buf);
|
|
targets[n]->position = speakers[n].angles();
|
|
targets[n]->visible = true;
|
|
}
|
|
|
|
queue_draw ();
|
|
}
|
|
|
|
void
|
|
Panner2d::on_size_allocate (Gtk::Allocation& alloc)
|
|
{
|
|
width = alloc.get_width();
|
|
height = alloc.get_height();
|
|
|
|
/* our idea of our width/height must be "square
|
|
*/
|
|
|
|
if (height > 100) {
|
|
width -= 20;
|
|
height -= 20;
|
|
}
|
|
|
|
dimen = min (width, height);
|
|
|
|
DrawingArea::on_size_allocate (alloc);
|
|
}
|
|
|
|
int
|
|
Panner2d::add_puck (const char* text, const AngularVector& a)
|
|
{
|
|
Target* puck = new Target (a, text);
|
|
pucks.push_back (puck);
|
|
puck->visible = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
Panner2d::add_target (const AngularVector& a)
|
|
{
|
|
Target* target = new Target (a, "");
|
|
targets.push_back (target);
|
|
target->visible = true;
|
|
queue_draw ();
|
|
|
|
return targets.size() - 1;
|
|
}
|
|
|
|
void
|
|
Panner2d::handle_state_change ()
|
|
{
|
|
queue_draw ();
|
|
}
|
|
|
|
void
|
|
Panner2d::label_pucks ()
|
|
{
|
|
double w = panner->pannable()->pan_width_control->get_value();
|
|
uint32_t sz = pucks.size();
|
|
|
|
switch (sz) {
|
|
case 0:
|
|
break;
|
|
|
|
case 1:
|
|
pucks[0]->set_text ("");
|
|
break;
|
|
|
|
case 2:
|
|
if (w >= 0.0) {
|
|
pucks[0]->set_text ("R");
|
|
pucks[1]->set_text ("L");
|
|
} else {
|
|
pucks[0]->set_text ("L");
|
|
pucks[1]->set_text ("R");
|
|
}
|
|
break;
|
|
|
|
default:
|
|
for (uint32_t i = 0; i < sz; ++i) {
|
|
char buf[64];
|
|
if (w >= 0.0) {
|
|
snprintf (buf, sizeof (buf), "%" PRIu32, i + 1);
|
|
} else {
|
|
snprintf (buf, sizeof (buf), "%" PRIu32, sz - i);
|
|
}
|
|
pucks[i]->set_text (buf);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
Panner2d::handle_position_change ()
|
|
{
|
|
uint32_t n;
|
|
double w = panner->pannable()->pan_width_control->get_value();
|
|
|
|
position.position = AngularVector (panner->pannable()->pan_azimuth_control->get_value() * 360.0, 0.0);
|
|
|
|
for (uint32_t i = 0; i < pucks.size(); ++i) {
|
|
pucks[i]->position = panner->signal_position (i);
|
|
}
|
|
|
|
if (w * last_width <= 0) {
|
|
/* changed sign */
|
|
label_pucks ();
|
|
}
|
|
|
|
last_width = w;
|
|
|
|
vector<Speaker>& speakers (panner->get_speakers()->speakers());
|
|
|
|
for (n = 0; n < targets.size(); ++n) {
|
|
targets[n]->position = speakers[n].angles();
|
|
}
|
|
|
|
queue_draw ();
|
|
}
|
|
|
|
void
|
|
Panner2d::move_puck (int which, const AngularVector& a)
|
|
{
|
|
if (which >= int (targets.size())) {
|
|
return;
|
|
}
|
|
|
|
targets[which]->position = a;
|
|
queue_draw ();
|
|
}
|
|
|
|
Panner2d::Target *
|
|
Panner2d::find_closest_object (gdouble x, gdouble y)
|
|
{
|
|
Target *closest = 0;
|
|
Target *candidate;
|
|
float distance;
|
|
float best_distance = FLT_MAX;
|
|
CartesianVector c;
|
|
|
|
/* start with the position itself
|
|
*/
|
|
|
|
position.position.cartesian (c);
|
|
cart_to_gtk (c);
|
|
best_distance = sqrt ((c.x - x) * (c.x - x) +
|
|
(c.y - y) * (c.y - y));
|
|
closest = &position;
|
|
|
|
for (Targets::const_iterator i = pucks.begin(); i != pucks.end(); ++i) {
|
|
candidate = *i;
|
|
|
|
candidate->position.cartesian (c);
|
|
cart_to_gtk (c);
|
|
|
|
distance = sqrt ((c.x - x) * (c.x - x) +
|
|
(c.y - y) * (c.y - y));
|
|
|
|
if (distance < best_distance) {
|
|
closest = candidate;
|
|
best_distance = distance;
|
|
}
|
|
}
|
|
|
|
if (height > 100) {
|
|
/* "big" */
|
|
if (best_distance > 30) { // arbitrary
|
|
return 0;
|
|
}
|
|
} else {
|
|
/* "small" */
|
|
if (best_distance > 10) { // arbitrary
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return closest;
|
|
}
|
|
|
|
bool
|
|
Panner2d::on_motion_notify_event (GdkEventMotion *ev)
|
|
{
|
|
gint x, y;
|
|
GdkModifierType state;
|
|
|
|
if (ev->is_hint) {
|
|
gdk_window_get_pointer (ev->window, &x, &y, &state);
|
|
} else {
|
|
x = (int) floor (ev->x);
|
|
y = (int) floor (ev->y);
|
|
state = (GdkModifierType) ev->state;
|
|
}
|
|
|
|
return handle_motion (x, y, state);
|
|
}
|
|
|
|
bool
|
|
Panner2d::on_expose_event (GdkEventExpose *event)
|
|
{
|
|
CartesianVector c;
|
|
cairo_t* cr;
|
|
bool small;
|
|
|
|
cr = gdk_cairo_create (get_window()->gobj());
|
|
|
|
cairo_set_line_width (cr, 1.0);
|
|
|
|
cairo_rectangle (cr, event->area.x, event->area.y, event->area.width, event->area.height);
|
|
if (!panner->bypassed()) {
|
|
cairo_set_source_rgba (cr, 0.1, 0.1, 0.1, 1.0);
|
|
} else {
|
|
cairo_set_source_rgba (cr, 0.1, 0.1, 0.1, 0.2);
|
|
}
|
|
cairo_fill_preserve (cr);
|
|
cairo_clip (cr);
|
|
|
|
small = !(height > 100);
|
|
|
|
if (!small) {
|
|
cairo_translate (cr, 10.0, 10.0);
|
|
}
|
|
|
|
/* horizontal line of "crosshairs" */
|
|
|
|
cairo_set_source_rgba (cr, 0.282, 0.517, 0.662, 1.0);
|
|
cairo_move_to (cr, 0.5, height/2.0+0.5);
|
|
cairo_line_to (cr, width+0.5, height/2+0.5);
|
|
cairo_stroke (cr);
|
|
|
|
/* vertical line of "crosshairs" */
|
|
|
|
cairo_move_to (cr, width/2+0.5, 0.5);
|
|
cairo_line_to (cr, width/2+0.5, height+0.5);
|
|
cairo_stroke (cr);
|
|
|
|
/* the circle on which signals live */
|
|
|
|
cairo_set_line_width (cr, 2.0);
|
|
cairo_set_source_rgba (cr, 0.517, 0.772, 0.882, 1.0);
|
|
cairo_arc (cr, width/2, height/2, dimen/2, 0, 2.0 * M_PI);
|
|
cairo_stroke (cr);
|
|
|
|
/* 3 other circles of smaller diameter circle on which signals live */
|
|
|
|
cairo_set_line_width (cr, 1.0);
|
|
cairo_set_source_rgba (cr, 0.282, 0.517, 0.662, 1.0);
|
|
cairo_arc (cr, width/2, height/2, (dimen/2.0) * 0.75, 0, 2.0 * M_PI);
|
|
cairo_stroke (cr);
|
|
cairo_set_source_rgba (cr, 0.282, 0.517, 0.662, 0.85);
|
|
cairo_arc (cr, width/2, height/2, (dimen/2.0) * 0.50, 0, 2.0 * M_PI);
|
|
cairo_stroke (cr);
|
|
cairo_arc (cr, width/2, height/2, (dimen/2.0) * 0.25, 0, 2.0 * M_PI);
|
|
cairo_stroke (cr);
|
|
|
|
if (pucks.size() > 1) {
|
|
/* arc to show "diffusion" */
|
|
|
|
double width_angle = fabs (panner->pannable()->pan_width_control->get_value()) * 2 * M_PI;
|
|
double position_angle = (2 * M_PI) - panner->pannable()->pan_azimuth_control->get_value() * 2 * M_PI;
|
|
|
|
cairo_save (cr);
|
|
cairo_translate (cr, width/2, height/2);
|
|
cairo_rotate (cr, position_angle - width_angle);
|
|
cairo_move_to (cr, 0, 0);
|
|
cairo_arc_negative (cr, 0, 0, dimen/2.0, width_angle * 2.0, 0.0);
|
|
cairo_close_path (cr);
|
|
cairo_set_source_rgba (cr, 1.0, 0.419, 0.419, 0.45);
|
|
cairo_fill (cr);
|
|
cairo_restore (cr);
|
|
}
|
|
|
|
if (!panner->bypassed()) {
|
|
|
|
double arc_radius;
|
|
|
|
cairo_select_font_face (cr, "sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
|
|
|
|
if (small) {
|
|
arc_radius = 4.0;
|
|
} else {
|
|
cairo_set_font_size (cr, 10);
|
|
arc_radius = 12.0;
|
|
}
|
|
|
|
/* signals */
|
|
|
|
if (pucks.size() > 1) {
|
|
for (Targets::iterator i = pucks.begin(); i != pucks.end(); ++i) {
|
|
Target* puck = *i;
|
|
|
|
if (puck->visible) {
|
|
|
|
puck->position.cartesian (c);
|
|
cart_to_gtk (c);
|
|
|
|
cairo_new_path (cr);
|
|
cairo_arc (cr, c.x, c.y, arc_radius, 0, 2.0 * M_PI);
|
|
cairo_set_source_rgba (cr, 0.282, 0.517, 0.662, 0.85);
|
|
cairo_fill_preserve (cr);
|
|
cairo_set_source_rgba (cr, 0.517, 0.772, 0.882, 1.0);
|
|
cairo_stroke (cr);
|
|
|
|
if (!small && !puck->text.empty()) {
|
|
cairo_set_source_rgb (cr, 0.517, 0.772, 0.882);
|
|
/* the +/- adjustments are a hack to try to center the text in the circle */
|
|
if (small) {
|
|
cairo_move_to (cr, c.x - 1, c.y + 1);
|
|
} else {
|
|
cairo_move_to (cr, c.x - 4, c.y + 4);
|
|
}
|
|
cairo_show_text (cr, puck->text.c_str());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* speakers */
|
|
|
|
int n = 0;
|
|
|
|
for (Targets::iterator i = targets.begin(); i != targets.end(); ++i) {
|
|
Target *target = *i;
|
|
char buf[256];
|
|
++n;
|
|
|
|
if (target->visible) {
|
|
|
|
CartesianVector c;
|
|
|
|
target->position.cartesian (c);
|
|
cart_to_gtk (c);
|
|
|
|
snprintf (buf, sizeof (buf), "%d", n);
|
|
|
|
/* stroke out a speaker shape */
|
|
|
|
cairo_move_to (cr, c.x, c.y);
|
|
cairo_save (cr);
|
|
cairo_rotate (cr, -(target->position.azi/360.0) * (2.0 * M_PI));
|
|
if (small) {
|
|
cairo_scale (cr, 0.8, 0.8);
|
|
} else {
|
|
cairo_scale (cr, 1.2, 1.2);
|
|
}
|
|
cairo_rel_line_to (cr, 4, -2);
|
|
cairo_rel_line_to (cr, 0, -7);
|
|
cairo_rel_line_to (cr, 5, +5);
|
|
cairo_rel_line_to (cr, 5, 0);
|
|
cairo_rel_line_to (cr, 0, 5);
|
|
cairo_rel_line_to (cr, -5, 0);
|
|
cairo_rel_line_to (cr, -5, +5);
|
|
cairo_rel_line_to (cr, 0, -7);
|
|
cairo_close_path (cr);
|
|
cairo_set_source_rgba (cr, 0.282, 0.517, 0.662, 1.0);
|
|
cairo_fill (cr);
|
|
cairo_restore (cr);
|
|
|
|
if (!small) {
|
|
cairo_set_font_size (cr, 16);
|
|
|
|
/* move the text in just a bit */
|
|
|
|
AngularVector textpos (target->position.azi, target->position.ele, 0.85);
|
|
textpos.cartesian (c);
|
|
cart_to_gtk (c);
|
|
cairo_move_to (cr, c.x, c.y);
|
|
cairo_show_text (cr, buf);
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
/* draw position puck */
|
|
|
|
position.position.cartesian (c);
|
|
cart_to_gtk (c);
|
|
|
|
cairo_new_path (cr);
|
|
cairo_arc (cr, c.x, c.y, arc_radius, 0, 2.0 * M_PI);
|
|
cairo_set_source_rgba (cr, 1.0, 0.419, 0.419, 0.85);
|
|
cairo_fill_preserve (cr);
|
|
cairo_set_source_rgba (cr, 1.0, 0.905, 0.905, 0.85);
|
|
cairo_stroke (cr);
|
|
}
|
|
|
|
cairo_destroy (cr);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
Panner2d::on_button_press_event (GdkEventButton *ev)
|
|
{
|
|
GdkModifierType state;
|
|
|
|
if (ev->type == GDK_2BUTTON_PRESS && ev->button == 1) {
|
|
return false;
|
|
}
|
|
|
|
switch (ev->button) {
|
|
case 1:
|
|
case 2:
|
|
if ((drag_target = find_closest_object (ev->x, ev->y)) != 0) {
|
|
drag_target->set_selected (true);
|
|
}
|
|
|
|
drag_x = (int) floor (ev->x);
|
|
drag_y = (int) floor (ev->y);
|
|
state = (GdkModifierType) ev->state;
|
|
|
|
return handle_motion (drag_x, drag_y, state);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
Panner2d::on_button_release_event (GdkEventButton *ev)
|
|
{
|
|
gint x, y;
|
|
GdkModifierType state;
|
|
bool ret = false;
|
|
|
|
switch (ev->button) {
|
|
case 1:
|
|
x = (int) floor (ev->x);
|
|
y = (int) floor (ev->y);
|
|
state = (GdkModifierType) ev->state;
|
|
|
|
if (Keyboard::modifier_state_contains (state, Keyboard::TertiaryModifier)) {
|
|
|
|
for (Targets::iterator i = pucks.begin(); i != pucks.end(); ++i) {
|
|
//Target* puck = i->second;
|
|
/* XXX DO SOMETHING TO SET PUCK BACK TO "normal" */
|
|
}
|
|
|
|
queue_draw ();
|
|
PuckMoved (-1);
|
|
ret = true;
|
|
|
|
} else {
|
|
ret = handle_motion (x, y, state);
|
|
}
|
|
|
|
drag_target = 0;
|
|
break;
|
|
|
|
case 2:
|
|
x = (int) floor (ev->x);
|
|
y = (int) floor (ev->y);
|
|
state = (GdkModifierType) ev->state;
|
|
|
|
if (Keyboard::modifier_state_contains (state, Keyboard::TertiaryModifier)) {
|
|
toggle_bypass ();
|
|
ret = true;
|
|
} else {
|
|
ret = handle_motion (x, y, state);
|
|
}
|
|
|
|
drag_target = 0;
|
|
break;
|
|
|
|
case 3:
|
|
break;
|
|
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
gint
|
|
Panner2d::handle_motion (gint evx, gint evy, GdkModifierType state)
|
|
{
|
|
if (drag_target == 0) {
|
|
return false;
|
|
}
|
|
|
|
if ((state & (GDK_BUTTON1_MASK|GDK_BUTTON2_MASK)) == 0) {
|
|
return false;
|
|
}
|
|
|
|
|
|
if (state & GDK_BUTTON1_MASK && !(state & GDK_BUTTON2_MASK)) {
|
|
CartesianVector c;
|
|
bool need_move = false;
|
|
|
|
drag_target->position.cartesian (c);
|
|
cart_to_gtk (c);
|
|
|
|
if ((evx != c.x) || (evy != c.y)) {
|
|
need_move = true;
|
|
}
|
|
|
|
if (need_move) {
|
|
CartesianVector cp (evx, evy, 0.0);
|
|
AngularVector av;
|
|
|
|
/* canonicalize position */
|
|
|
|
gtk_to_cart (cp);
|
|
|
|
// cerr << "Mouse at " << cp.x << ", " << cp.y << endl;
|
|
|
|
/* position actual signal on circle */
|
|
|
|
clamp_to_circle (cp.x, cp.y);
|
|
|
|
/* generate an angular representation of the current mouse position */
|
|
|
|
|
|
cp.angular (av);
|
|
|
|
if (drag_target == &position) {
|
|
// cerr << "Angle of mouse = " << av.azi << endl;
|
|
double degree_fract = av.azi / 360.0;
|
|
panner->set_position (degree_fract);
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
Panner2d::on_scroll_event (GdkEventScroll* ev)
|
|
{
|
|
switch (ev->direction) {
|
|
case GDK_SCROLL_UP:
|
|
case GDK_SCROLL_RIGHT:
|
|
panner->set_position (panner->pannable()->pan_azimuth_control->get_value() - 1.0/360.0);
|
|
break;
|
|
|
|
case GDK_SCROLL_DOWN:
|
|
case GDK_SCROLL_LEFT:
|
|
panner->set_position (panner->pannable()->pan_azimuth_control->get_value() + 1.0/360.0);
|
|
break;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void
|
|
Panner2d::cart_to_gtk (CartesianVector& c) const
|
|
{
|
|
/* "c" uses a coordinate space that is:
|
|
|
|
center = 0.0
|
|
dimension = 2.0 * 2.0
|
|
so max values along each axis are -1..+1
|
|
|
|
GTK uses a coordinate space that is:
|
|
|
|
top left = 0.0
|
|
dimension = width * height
|
|
so max values along each axis are 0,width and
|
|
0,height
|
|
*/
|
|
|
|
const uint32_t hoffset = (width - dimen)/2;
|
|
const uint32_t voffset = (height - dimen)/2;
|
|
|
|
c.x = hoffset + ((dimen / 2) * (c.x + 1));
|
|
c.y = voffset + ((dimen / 2) * (1 - c.y));
|
|
|
|
/* XXX z-axis not handled - 2D for now */
|
|
}
|
|
|
|
void
|
|
Panner2d::gtk_to_cart (CartesianVector& c) const
|
|
{
|
|
c.x = ((c.x / (dimen / 2.0)) - 1.0);
|
|
c.y = -((c.y / (dimen / 2.0)) - 1.0);
|
|
|
|
/* XXX z-axis not handled - 2D for now */
|
|
}
|
|
|
|
void
|
|
Panner2d::clamp_to_circle (double& x, double& y)
|
|
{
|
|
double azi, ele;
|
|
double z = 0.0;
|
|
double l;
|
|
|
|
PBD::cartesian_to_spherical (x, y, z, azi, ele, l);
|
|
PBD::spherical_to_cartesian (azi, ele, 1.0, x, y, z);
|
|
}
|
|
|
|
void
|
|
Panner2d::toggle_bypass ()
|
|
{
|
|
panner->set_bypassed (!panner->bypassed());
|
|
}
|
|
|
|
Panner2dWindow::Panner2dWindow (boost::shared_ptr<Panner> p, int32_t h, uint32_t inputs)
|
|
: ArdourDialog (_("Panner (2D)"))
|
|
, widget (p, h)
|
|
, bypass_button (_("Bypass"))
|
|
{
|
|
widget.set_name ("MixerPanZone");
|
|
|
|
set_title (_("Panner"));
|
|
widget.set_size_request (h, h);
|
|
|
|
bypass_button.signal_toggled().connect (sigc::mem_fun (*this, &Panner2dWindow::bypass_toggled));
|
|
|
|
button_box.set_spacing (6);
|
|
button_box.pack_start (bypass_button, false, false);
|
|
|
|
spinner_box.set_spacing (6);
|
|
left_side.set_spacing (6);
|
|
|
|
left_side.pack_start (button_box, false, false);
|
|
left_side.pack_start (spinner_box, false, false);
|
|
|
|
bypass_button.show ();
|
|
button_box.show ();
|
|
spinner_box.show ();
|
|
left_side.show ();
|
|
|
|
hpacker.set_spacing (6);
|
|
hpacker.set_border_width (12);
|
|
hpacker.pack_start (widget, false, false);
|
|
hpacker.pack_start (left_side, false, false);
|
|
hpacker.show ();
|
|
|
|
get_vbox()->pack_start (hpacker);
|
|
reset (inputs);
|
|
widget.show ();
|
|
}
|
|
|
|
void
|
|
Panner2dWindow::reset (uint32_t n_inputs)
|
|
{
|
|
widget.reset (n_inputs);
|
|
|
|
#if 0
|
|
while (spinners.size() < n_inputs) {
|
|
// spinners.push_back (new Gtk::SpinButton (widget.azimuth (spinners.size())));
|
|
//spinner_box.pack_start (*spinners.back(), false, false);
|
|
//spinners.back()->set_digits (4);
|
|
spinners.back()->show ();
|
|
}
|
|
|
|
while (spinners.size() > n_inputs) {
|
|
spinner_box.remove (*spinners.back());
|
|
delete spinners.back();
|
|
spinners.erase (--spinners.end());
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void
|
|
Panner2dWindow::bypass_toggled ()
|
|
{
|
|
bool view = bypass_button.get_active ();
|
|
bool model = widget.get_panner()->bypassed ();
|
|
|
|
if (model != view) {
|
|
widget.get_panner()->set_bypassed (view);
|
|
}
|
|
}
|
|
|
|
bool
|
|
Panner2dWindow::on_key_press_event (GdkEventKey* event)
|
|
{
|
|
return relay_key_press (event, &PublicEditor::instance());
|
|
}
|
|
|
|
bool
|
|
Panner2dWindow::on_key_release_event (GdkEventKey *event)
|
|
{
|
|
return true;
|
|
}
|