along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
#include <cmath>
#include <climits>
#include <string.h>
-#include <pbd/error.h>
-#include <ardour/panner.h>
-#include <gtkmm2ext/gtk_ui.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/panner_shell.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 sigc;
using namespace ARDOUR;
+using namespace PBD;
+using Gtkmm2ext::Keyboard;
-Panner2d::Target::Target (float xa, float ya, const char *txt)
- : x (xa), y (ya), text (txt ? strdup (txt) : 0)
+static const int large_size_threshold = 100;
+static const int large_border_width = 25;
+static const int small_border_width = 8;
+
+Panner2d::Target::Target (const AngularVector& a, const char *txt)
+ : position (a)
+ , text (txt)
+ , _selected (false)
{
- if (text) {
- textlen = strlen (txt);
- } else {
- textlen = 0;
- }
}
Panner2d::Target::~Target ()
-{
- if (text) {
- free (text);
- }
+{
}
-Panner2d::Panner2d (Panner& p, int32_t w, int32_t h)
- : panner (p), width (w), height (h)
+void
+Panner2d::Target::set_text (const char* txt)
+{
+ text = txt;
+}
+
+Panner2d::Panner2d (boost::shared_ptr<PannerShell> p, int32_t h)
+ : panner_shell (p)
+ , position (AngularVector (0.0, 0.0), "")
+ , width (0)
+ , height (h)
+ , last_width (0)
{
- context_menu = 0;
- bypass_menu_item = 0;
+ panner_shell->Changed.connect (connections, invalidator (*this), boost::bind (&Panner2d::handle_state_change, this), gui_context());
- allow_x = false;
- allow_y = false;
- allow_target = false;
+ panner_shell->pannable()->pan_azimuth_control->Changed.connect (connections, invalidator(*this), boost::bind (&Panner2d::handle_position_change, this), gui_context());
+ panner_shell->pannable()->pan_width_control->Changed.connect (connections, invalidator(*this), boost::bind (&Panner2d::handle_position_change, this), gui_context());
- panner.StateChanged.connect (mem_fun(*this, &Panner2d::handle_state_change));
-
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->second;
+ for (Targets::iterator i = speakers.begin(); i != speakers.end(); ++i) {
+ delete *i;
}
}
void
Panner2d::reset (uint32_t n_inputs)
{
- /* add pucks */
-
- drop_pucks ();
-
- switch (n_inputs) {
- case 0:
- break;
-
- case 1:
- add_puck ("", 0.0f, 0.5f);
- break;
-
- case 2:
- add_puck ("L", 0.5f, 0.25f);
- add_puck ("R", 0.25f, 0.5f);
- show_puck (0);
- show_puck (1);
- break;
-
- default:
- for (uint32_t i = 0; i < n_inputs; ++i) {
- char buf[64];
- snprintf (buf, sizeof (buf), "%" PRIu32, i);
- add_puck (buf, 0.0f, 0.5f);
- show_puck (i);
- }
- break;
- }
-
- /* add all outputs */
-
- drop_targets ();
-
- for (uint32_t n = 0; n < panner.nouts(); ++n) {
- add_target (panner.output (n).x, panner.output (n).y);
- }
-
- allow_x_motion (true);
- allow_y_motion (true);
- allow_target_motion (true);
-}
+ uint32_t nouts = panner_shell->panner()->out().n_audio();
-void
-Panner2d::size_allocate_impl (GtkAllocation *alloc)
-{
- width = alloc->width;
- height = alloc->height;
+ /* signals */
- DrawingArea::size_allocate_impl (alloc);
-}
+ while (signals.size() < n_inputs) {
+ add_signal ("", AngularVector());
+ }
-int
-Panner2d::add_puck (const char* text, float x, float y)
-{
- Target* puck = new Target (x, y, text);
+ if (signals.size() > n_inputs) {
+ for (uint32_t i = signals.size(); i < n_inputs; ++i) {
+ delete signals[i];
+ }
- pair<int,Target *> newpair;
- newpair.first = pucks.size();
- newpair.second = puck;
+ signals.resize (n_inputs);
+ }
- pucks.insert (newpair);
- puck->visible = true;
-
- return 0;
-}
+ label_signals ();
-int
-Panner2d::add_target (float x, float y)
-{
- Target *target = new Target (x, y, "");
+ for (uint32_t i = 0; i < n_inputs; ++i) {
+ signals[i]->position = panner_shell->panner()->signal_position (i);
+ }
- pair<int,Target *> newpair;
- newpair.first = targets.size();
- newpair.second = target;
+ /* add all outputs */
- targets.insert (newpair);
- target->visible = true;
- queue_draw ();
+ while (speakers.size() < nouts) {
+ add_speaker (AngularVector());
+ }
- return newpair.first;
-}
+ if (speakers.size() > nouts) {
+ for (uint32_t i = nouts; i < speakers.size(); ++i) {
+ delete speakers[i];
+ }
-void
-Panner2d::drop_targets ()
-{
- for (Targets::iterator i = targets.begin(); i != targets.end(); ) {
+ speakers.resize (nouts);
+ }
- Targets::iterator tmp;
+ for (Targets::iterator x = speakers.begin(); x != speakers.end(); ++x) {
+ (*x)->visible = false;
+ }
- tmp = i;
- ++tmp;
+ vector<Speaker>& the_speakers (panner_shell->panner()->get_speakers()->speakers());
- delete i->second;
- targets.erase (i);
+ for (uint32_t n = 0; n < nouts; ++n) {
+ char buf[16];
- i = tmp;
+ snprintf (buf, sizeof (buf), "%d", n+1);
+ speakers[n]->set_text (buf);
+ speakers[n]->position = the_speakers[n].angles();
+ speakers[n]->visible = true;
}
queue_draw ();
}
void
-Panner2d::drop_pucks ()
+Panner2d::on_size_allocate (Gtk::Allocation& alloc)
{
- for (Targets::iterator i = pucks.begin(); i != pucks.end(); ) {
+ width = alloc.get_width();
+ height = alloc.get_height();
- Targets::iterator tmp;
+ if (height > large_size_threshold) {
+ border = large_border_width;
+ } else {
+ border = small_border_width;
+ }
- tmp = i;
- ++tmp;
+ radius = min (width, height);
+ radius -= border;
+ radius /= 2;
- delete i->second;
- pucks.erase (i);
+ hoffset = max ((double) (width - height), border);
+ voffset = max ((double) (height - width), border);
- i = tmp;
- }
+ hoffset /= 2.0;
+ voffset /= 2.0;
- queue_draw ();
+ DrawingArea::on_size_allocate (alloc);
}
-void
-Panner2d::remove_target (int which)
+int
+Panner2d::add_signal (const char* text, const AngularVector& a)
{
- Targets::iterator i = targets.find (which);
+ Target* signal = new Target (a, text);
+ signals.push_back (signal);
+ signal->visible = true;
- if (i != targets.end()) {
- delete i->second;
- targets.erase (i);
- queue_draw ();
- }
-}
+ return 0;
+}
+
+int
+Panner2d::add_speaker (const AngularVector& a)
+{
+ Target* speaker = new Target (a, "");
+ speakers.push_back (speaker);
+ speaker->visible = true;
+ queue_draw ();
+
+ return speakers.size() - 1;
+}
void
Panner2d::handle_state_change ()
{
- ENSURE_GUI_THREAD(mem_fun(*this, &Panner2d::handle_state_change));
-
queue_draw ();
}
void
-Panner2d::move_target (int which, float x, float y)
+Panner2d::label_signals ()
{
- Targets::iterator i = targets.find (which);
- Target *target;
-
- if (!allow_target) {
- return;
- }
+ double w = panner_shell->pannable()->pan_width_control->get_value();
+ uint32_t sz = signals.size();
- if (i != targets.end()) {
- target = i->second;
- target->x = x;
- target->y = y;
-
- queue_draw ();
- }
-}
+ switch (sz) {
+ case 0:
+ break;
-void
-Panner2d::move_puck (int which, float x, float y)
-{
- Targets::iterator i = pucks.find (which);
- Target *target;
-
- if (i != pucks.end()) {
- target = i->second;
- target->x = x;
- target->y = y;
-
- queue_draw ();
- }
-}
+ case 1:
+ signals[0]->set_text ("");
+ break;
-void
-Panner2d::show_puck (int which)
-{
- Targets::iterator i = pucks.find (which);
+ case 2:
+ if (w >= 0.0) {
+ signals[0]->set_text ("R");
+ signals[1]->set_text ("L");
+ } else {
+ signals[0]->set_text ("L");
+ signals[1]->set_text ("R");
+ }
+ break;
- if (i != pucks.end()) {
- Target* puck = i->second;
- if (!puck->visible) {
- puck->visible = true;
- queue_draw ();
+ 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);
+ }
+ signals[i]->set_text (buf);
}
+ break;
}
}
void
-Panner2d::hide_puck (int which)
+Panner2d::handle_position_change ()
{
- Targets::iterator i = pucks.find (which);
+ uint32_t n;
+ double w = panner_shell->pannable()->pan_width_control->get_value();
- if (i != pucks.end()) {
- Target* puck = i->second;
- if (!puck->visible) {
- puck->visible = false;
- queue_draw ();
- }
- }
-}
+ position.position = AngularVector (panner_shell->pannable()->pan_azimuth_control->get_value() * 360.0, 0.0);
-void
-Panner2d::show_target (int which)
-{
- Targets::iterator i = targets.find (which);
- if (i != targets.end()) {
- if (!i->second->visible) {
- i->second->visible = true;
- queue_draw ();
- }
+ for (uint32_t i = 0; i < signals.size(); ++i) {
+ signals[i]->position = panner_shell->panner()->signal_position (i);
+ }
+
+ if (w * last_width <= 0) {
+ /* changed sign */
+ label_signals ();
+ }
+
+ last_width = w;
+
+ vector<Speaker>& the_speakers (panner_shell->panner()->get_speakers()->speakers());
+
+ for (n = 0; n < speakers.size(); ++n) {
+ speakers[n]->position = the_speakers[n].angles();
}
+
+ queue_draw ();
}
void
-Panner2d::hide_target (int which)
+Panner2d::move_signal (int which, const AngularVector& a)
{
- Targets::iterator i = targets.find (which);
- if (i != targets.end()) {
- if (i->second->visible) {
- i->second->visible = false;
- queue_draw ();
- }
+ if (which >= int (speakers.size())) {
+ return;
}
+
+ speakers[which]->position = a;
+ queue_draw ();
}
Panner2d::Target *
-Panner2d::find_closest_object (gdouble x, gdouble y, int& which, bool& is_puck) const
+Panner2d::find_closest_object (gdouble x, gdouble y, bool& is_signal)
{
- gdouble efx, efy;
Target *closest = 0;
Target *candidate;
float distance;
float best_distance = FLT_MAX;
- int pwhich;
+ CartesianVector c;
- efx = x/width;
- efy = y/height;
- which = 0;
- pwhich = 0;
- is_puck = false;
+ /* start with the position itself
+ */
- for (Targets::const_iterator i = targets.begin(); i != targets.end(); ++i, ++which) {
- candidate = i->second;
+ 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;
- distance = sqrt ((candidate->x - efx) * (candidate->x - efx) +
- (candidate->y - efy) * (candidate->y - efy));
+ for (Targets::const_iterator i = signals.begin(); i != signals.end(); ++i) {
+ candidate = *i;
- if (distance < best_distance) {
- closest = candidate;
- best_distance = distance;
- }
- }
+ candidate->position.cartesian (c);
+ cart_to_gtk (c);
- for (Targets::const_iterator i = pucks.begin(); i != pucks.end(); ++i, ++pwhich) {
- candidate = i->second;
+ distance = sqrt ((c.x - x) * (c.x - x) +
+ (c.y - y) * (c.y - y));
- distance = sqrt ((candidate->x - efx) * (candidate->x - efx) +
- (candidate->y - efy) * (candidate->y - efy));
-
- if (distance < best_distance) {
+ if (distance < best_distance) {
closest = candidate;
best_distance = distance;
- is_puck = true;
- which = pwhich;
}
}
-
+
+ is_signal = true;
+
+ if (height > large_size_threshold) {
+ /* "big" */
+ if (best_distance > 30) { // arbitrary
+ closest = 0;
+ }
+ } else {
+ /* "small" */
+ if (best_distance > 10) { // arbitrary
+ closest = 0;
+ }
+ }
+
+ /* if we didn't find a signal close by, check the speakers */
+
+ if (!closest) {
+ for (Targets::const_iterator i = speakers.begin(); i != speakers.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 > large_size_threshold) {
+ /* "big" */
+ if (best_distance < 30) { // arbitrary
+ is_signal = false;
+ } else {
+ closest = 0;
+ }
+ } else {
+ /* "small" */
+ if (best_distance < 10) { // arbitrary
+ is_signal = false;
+ } else {
+ closest = 0;
+ }
+ }
+ }
+
return closest;
-}
+}
-gint
-Panner2d::motion_notify_event_impl (GdkEventMotion *ev)
+bool
+Panner2d::on_motion_notify_event (GdkEventMotion *ev)
{
gint x, y;
GdkModifierType state;
y = (int) floor (ev->y);
state = (GdkModifierType) ev->state;
}
+
+ if (ev->state & (GDK_BUTTON1_MASK|GDK_BUTTON2_MASK)) {
+ did_move = true;
+ }
+
return handle_motion (x, y, state);
}
-gint
-Panner2d::handle_motion (gint evx, gint evy, GdkModifierType state)
+
+bool
+Panner2d::on_expose_event (GdkEventExpose *event)
{
- if (drag_target == 0 || (state & GDK_BUTTON1_MASK) == 0) {
- return FALSE;
- }
+ CartesianVector c;
+ cairo_t* cr;
+ bool small = (height <= large_size_threshold);
+ const double diameter = radius*2.0;
- int x, y;
- bool need_move = false;
+ cr = gdk_cairo_create (get_window()->gobj());
- if (!drag_is_puck && !allow_target) {
- return TRUE;
- }
+ /* background */
- if (allow_x || !drag_is_puck) {
- float new_x;
- x = min (evx, width - 1);
- x = max (x, 0);
- new_x = (float) x / (width - 1);
- if (new_x != drag_target->x) {
- drag_target->x = new_x;
- need_move = true;
- }
+ cairo_rectangle (cr, event->area.x, event->area.y, event->area.width, event->area.height);
+ if (!panner_shell->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);
- if (allow_y || drag_is_puck) {
- float new_y;
- y = min (evy, height - 1);
- y = max (y, 0);
- new_y = (float) y / (height - 1);
- if (new_y != drag_target->y) {
- drag_target->y = new_y;
- need_move = true;
- }
- }
+ /* offset to give us some border */
- if (need_move) {
- queue_draw ();
+ cairo_translate (cr, hoffset, voffset);
- if (drag_is_puck) {
-
- panner[drag_index]->set_position (drag_target->x, drag_target->y);
+ cairo_set_line_width (cr, 1.0);
- } else {
+ /* horizontal line of "crosshairs" */
- TargetMoved (drag_index);
- }
- }
+ cairo_set_source_rgba (cr, 0.282, 0.517, 0.662, 1.0);
+ cairo_move_to (cr, 0.0, radius);
+ cairo_line_to (cr, diameter, radius);
+ cairo_stroke (cr);
- return TRUE;
-}
+ /* vertical line of "crosshairs" */
-gint
-Panner2d::expose_event_impl (GdkEventExpose *event)
-{
- gint x, y;
- float fx, fy;
-
- /* redraw the background */
-
- get_window().draw_rectangle (get_style()->get_bg_gc(get_state()),
- true,
- event->area.x, event->area.y,
- event->area.width, event->area.height);
-
-
- if (!panner.bypassed()) {
-
- for (Targets::iterator i = pucks.begin(); i != pucks.end(); ++i) {
-
- Target* puck = i->second;
-
- if (puck->visible) {
- /* redraw puck */
-
- fx = min (puck->x, 1.0f);
- fx = max (fx, -1.0f);
- x = (gint) floor (width * fx - 4);
-
- fy = min (puck->y, 1.0f);
- fy = max (fy, -1.0f);
- y = (gint) floor (height * fy - 4);
-
- get_window().draw_arc (get_style()->get_fg_gc(Gtk::STATE_NORMAL),
- true,
- x, y,
- 8, 8,
- 0, 360 * 64);
- get_window().draw_text (get_style()->get_font(),
- get_style()->get_fg_gc(Gtk::STATE_NORMAL),
- x + 6, y + 6,
- puck->text,
- puck->textlen);
- }
+ cairo_move_to (cr, radius, 0);
+ cairo_line_to (cr, radius, diameter);
+ 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, radius, radius, radius, 0.0, 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, radius, radius, radius * 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, radius, radius, radius * 0.50, 0, 2.0 * M_PI);
+ cairo_stroke (cr);
+ cairo_arc (cr, radius, radius, radius * 0.25, 0, 2.0 * M_PI);
+ cairo_stroke (cr);
+
+ if (signals.size() > 1) {
+ /* arc to show "diffusion" */
+
+ double width_angle = fabs (panner_shell->pannable()->pan_width_control->get_value()) * 2 * M_PI;
+ double position_angle = (2 * M_PI) - panner_shell->pannable()->pan_azimuth_control->get_value() * 2 * M_PI;
+
+ cairo_save (cr);
+ cairo_translate (cr, radius, radius);
+ cairo_rotate (cr, position_angle - (width_angle/2.0));
+ cairo_move_to (cr, 0, 0);
+ cairo_arc_negative (cr, 0, 0, radius, width_angle, 0.0);
+ cairo_close_path (cr);
+ if (panner_shell->pannable()->pan_width_control->get_value() >= 0.0) {
+ /* normal width */
+ cairo_set_source_rgba (cr, 0.282, 0.517, 0.662, 0.45);
+ } else {
+ /* inverse width */
+ cairo_set_source_rgba (cr, 1.0, 0.419, 0.419, 0.45);
+ }
+ cairo_fill (cr);
+ cairo_restore (cr);
+ }
+
+ if (!panner_shell->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;
}
- /* redraw any visible targets */
-
- for (Targets::iterator i = targets.begin(); i != targets.end(); ++i) {
- Target *target = i->second;
-
- if (target->visible) {
-
- /* why -8 ??? why is this necessary ? */
-
- fx = min (target->x, 1.0f);
- fx = max (fx, -1.0f);
- x = (gint) floor ((width - 8) * fx);
-
- fy = min (target->y, 1.0f);
- fy = max (fy, -1.0f);
- y = (gint) floor ((height - 8) * fy);
-
- get_window().draw_rectangle (get_style()->get_fg_gc(GTK_STATE_ACTIVE),
- true,
- x, y,
- 4, 4);
+ /* signals */
+
+ if (signals.size() > 1) {
+ for (Targets::iterator i = signals.begin(); i != signals.end(); ++i) {
+ Target* signal = *i;
+
+ if (signal->visible) {
+
+ signal->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 && !signal->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, signal->text.c_str());
+ }
+ }
+ }
+ }
+
+ /* speakers */
+
+ int n = 0;
+
+ for (Targets::iterator i = speakers.begin(); i != speakers.end(); ++i) {
+ Target *speaker = *i;
+ char buf[256];
+ ++n;
+
+ if (speaker->visible) {
+
+ CartesianVector c;
+
+ speaker->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, -(speaker->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 (speaker->position.azi, speaker->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 */
+
+ 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);
}
- return TRUE;
+ cairo_destroy (cr);
+
+ return true;
}
-gint
-Panner2d::button_press_event_impl (GdkEventButton *ev)
+bool
+Panner2d::on_button_press_event (GdkEventButton *ev)
{
+ GdkModifierType state;
+ int x;
+ int y;
+ bool is_signal;
+
+ if (ev->type == GDK_2BUTTON_PRESS && ev->button == 1) {
+ return false;
+ }
+
+ did_move = false;
+
switch (ev->button) {
case 1:
- gint x, y;
- GdkModifierType state;
+ case 2:
+ x = ev->x - border;
+ y = ev->y - border;
+
+ if ((drag_target = find_closest_object (x, y, is_signal)) != 0) {
+ if (!is_signal) {
+ panner_shell->panner()->set_position (drag_target->position.azi/360.0);
+ drag_target = 0;
+ } else {
+ drag_target->set_selected (true);
+ }
+ }
- drag_target = find_closest_object (ev->x, ev->y, drag_index, drag_is_puck);
-
- x = (int) floor (ev->x);
- y = (int) floor (ev->y);
+ drag_x = ev->x;
+ drag_y = ev->y;
state = (GdkModifierType) ev->state;
- return handle_motion (x, y, state);
+ return handle_motion (drag_x, drag_y, state);
break;
+
default:
break;
}
-
- return FALSE;
+
+ return false;
}
-gint
-Panner2d::button_release_event_impl (GdkEventButton *ev)
+bool
+Panner2d::on_button_release_event (GdkEventButton *ev)
{
+ gint x, y;
+ GdkModifierType state;
+ bool ret = false;
+
switch (ev->button) {
case 1:
- gint x, y;
- int ret;
- GdkModifierType state;
-
x = (int) floor (ev->x);
y = (int) floor (ev->y);
state = (GdkModifierType) ev->state;
+ ret = handle_motion (x, y, state);
+ drag_target = 0;
+ break;
- if (drag_is_puck && (Keyboard::modifier_state_contains (state, Keyboard::Shift))) {
-
- for (Targets::iterator i = pucks.begin(); i != pucks.end(); ++i) {
- Target* puck = i->second;
- puck->x = 0.5;
- puck->y = 0.5;
- }
-
- queue_draw ();
- PuckMoved (-1);
- ret = TRUE;
+ 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;
- return ret;
+ drag_target = 0;
break;
- case 2:
- toggle_bypass ();
- return TRUE;
case 3:
- show_context_menu ();
break;
}
- return FALSE;
+ return ret;
}
-void
-Panner2d::toggle_bypass ()
+gint
+Panner2d::handle_motion (gint evx, gint evy, GdkModifierType state)
{
- if (bypass_menu_item && (panner.bypassed() != bypass_menu_item->get_active())) {
- panner.set_bypassed (!panner.bypassed());
+ if (drag_target == 0) {
+ return false;
+ }
+
+ if ((state & (GDK_BUTTON1_MASK|GDK_BUTTON2_MASK)) == 0) {
+ return false;
}
-}
-void
-Panner2d::show_context_menu ()
-{
- using namespace Menu_Helpers;
- if (context_menu == 0) {
- context_menu = manage (new Menu);
- context_menu->set_name ("ArdourContextMenu");
- MenuList& items = context_menu->items();
+ if (state & GDK_BUTTON1_MASK && !(state & GDK_BUTTON2_MASK)) {
+ CartesianVector c;
+ bool need_move = false;
- items.push_back (CheckMenuElem (_("Bypass")));
- bypass_menu_item = static_cast<CheckMenuItem*> (items.back());
- bypass_menu_item->toggled.connect (mem_fun(*this, &Panner2d::toggle_bypass));
+ 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 and then clamp to the circle */
+
+ gtk_to_cart (cp);
+ clamp_to_circle (cp.x, cp.y);
+
+ /* generate an angular representation of the current mouse position */
+
+ cp.angular (av);
+
+ if (drag_target == &position) {
+ double degree_fract = av.azi / 360.0;
+ panner_shell->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_shell->panner()->set_position (panner_shell->pannable()->pan_azimuth_control->get_value() - 1.0/360.0);
+ break;
+
+ case GDK_SCROLL_DOWN:
+ case GDK_SCROLL_LEFT:
+ panner_shell->panner()->set_position (panner_shell->pannable()->pan_azimuth_control->get_value() + 1.0/360.0);
+ break;
+ }
+ return true;
+}
- bypass_menu_item->set_active (panner.bypassed());
- context_menu->popup (1, 0);
+void
+Panner2d::cart_to_gtk (CartesianVector& c) const
+{
+ /* cartesian coordinate space:
+ center = 0.0
+ dimension = 2.0 * 2.0
+ increasing y moves up
+ so max values along each axis are -1..+1
+
+ GTK uses a coordinate space that is:
+ top left = 0.0
+ dimension = (radius*2.0) * (radius*2.0)
+ increasing y moves down
+ */
+ const double diameter = radius*2.0;
+
+ c.x = diameter * ((c.x + 1.0) / 2.0);
+ /* extra subtraction inverts the y-axis to match "increasing y moves down" */
+ c.y = diameter - (diameter * ((c.y + 1.0) / 2.0));
}
void
-Panner2d::allow_x_motion (bool yn)
+Panner2d::gtk_to_cart (CartesianVector& c) const
{
- allow_x = yn;
+ const double diameter = radius*2.0;
+ c.x = ((c.x / diameter) * 2.0) - 1.0;
+ c.y = (((diameter - c.y) / diameter) * 2.0) - 1.0;
}
void
-Panner2d::allow_target_motion (bool yn)
+Panner2d::clamp_to_circle (double& x, double& y)
{
- allow_target = yn;
+ 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::allow_y_motion (bool yn)
+Panner2d::toggle_bypass ()
{
- allow_y = yn;
+ panner_shell->set_bypassed (!panner_shell->bypassed());
}
-int
-Panner2d::puck_position (int which, float& x, float& y)
+Panner2dWindow::Panner2dWindow (boost::shared_ptr<PannerShell> p, int32_t h, uint32_t inputs)
+ : ArdourDialog (_("Panner (2D)"))
+ , widget (p, h)
+ , bypass_button (_("Bypass"))
{
- Targets::iterator i;
+ widget.set_name ("MixerPanZone");
- if ((i = pucks.find (which)) != pucks.end()) {
- x = i->second->x;
- y = i->second->y;
- return 0;
- }
+ 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 ();
- return -1;
+ get_vbox()->pack_start (hpacker);
+ reset (inputs);
+ widget.show ();
}
-int
-Panner2d::target_position (int which, float& x, float& y)
+void
+Panner2dWindow::reset (uint32_t n_inputs)
{
- Targets::iterator i;
+ 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 ();
+ }
- if ((i = targets.find (which)) != targets.end()) {
- x = i->second->x;
- y = i->second->y;
- return 0;
+ 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_shell()->bypassed ();
- return -1;
+ if (model != view) {
+ widget.get_panner_shell()->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;
}
-
projects / ardour.git / blobdiff