2 Copyright (C) 2002 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 #include <gtkmm/menu.h>
27 #include "pbd/error.h"
28 #include "ardour/panner.h"
29 #include <gtkmm2ext/gtk_ui.h>
33 #include "gui_thread.h"
40 using namespace ARDOUR;
42 using Gtkmm2ext::Keyboard;
44 Panner2d::Target::Target (float xa, float ya, const char *txt)
45 : x (xa, 0.0, 1.0, 0.01, 0.1)
46 , y (ya, 0.0, 1.0, 0.01, 0.1)
47 , azimuth (M_PI/2.0, 0.0, 2.0 * M_PI, 0.1, 0.5)
48 , text (txt ? strdup (txt) : 0)
50 azimuth.set_value ((random() / (double) INT_MAX) * (2.0 * M_PI));
53 Panner2d::Target::~Target ()
61 Panner2d::Target::set_text (const char* txt)
69 Panner2d::Panner2d (boost::shared_ptr<Panner> p, int32_t h)
70 : panner (p), width (0), height (h)
76 panner->StateChanged.connect (mem_fun(*this, &Panner2d::handle_state_change));
77 panner->Changed.connect (mem_fun(*this, &Panner2d::handle_position_change));
80 set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
85 for (Targets::iterator i = targets.begin(); i != targets.end(); ++i) {
91 Panner2d::reset (uint32_t n_inputs)
93 Targets::size_type existing_pucks = pucks.size();
97 while (pucks.size() < n_inputs) {
98 add_puck ("", 0.0, 0.0);
101 while (pucks.size() > n_inputs) {
102 pucks.erase (pucks.begin());
105 for (Targets::iterator x = pucks.begin(); x != pucks.end(); ++x) {
106 (*x).second->visible = false;
114 pucks[0]->set_text ("");
115 pucks[0]->x.set_value (0.0);
116 pucks[0]->y.set_value (0.5);
117 pucks[0]->visible = true;
121 pucks[0]->set_text ("R");
122 pucks[0]->visible = true;
123 pucks[1]->set_text ("L");
124 if (existing_pucks < 2) {
125 pucks[1]->x.set_value (0.25f);
126 pucks[1]->y.set_value (0.5f);
128 pucks[1]->visible = true;
132 for (uint32_t i = 0; i < n_inputs; ++i) {
134 snprintf (buf, sizeof (buf), "%" PRIu32, i);
135 pucks[i]->set_text (buf);
137 if (existing_pucks < i) {
139 panner->streampanner (i).get_position (x, y);
140 pucks[i]->x.set_value (x);
141 pucks[i]->y.set_value (y);
144 pucks[i]->visible = true;
149 /* add all outputs */
151 while (targets.size() < panner->nouts()) {
152 add_target (0.0, 0.0);
155 while (targets.size() > panner->nouts()) {
156 targets.erase (targets.begin());
159 for (Targets::iterator x = targets.begin(); x != targets.end(); ++x) {
160 (*x).second->visible = false;
163 for (uint32_t n = 0; n < panner->nouts(); ++n) {
166 snprintf (buf, sizeof (buf), "%d", n+1);
167 targets[n]->set_text (buf);
168 targets[n]->x.set_value (panner->output(n).x);
169 targets[n]->y.set_value (panner->output(n).y);
170 targets[n]->visible = true;
173 allow_x_motion (true);
174 allow_y_motion (true);
175 allow_target_motion (true);
181 Panner2d::azimuth (uint32_t which)
183 assert (which < pucks.size());
184 return pucks[which]->azimuth;
188 Panner2d::on_size_allocate (Gtk::Allocation& alloc)
190 width = alloc.get_width();
191 height = alloc.get_height();
198 DrawingArea::on_size_allocate (alloc);
202 Panner2d::add_puck (const char* text, float x, float y)
204 Target* puck = new Target (x, y, text);
206 pair<int,Target *> newpair;
207 newpair.first = pucks.size();
208 newpair.second = puck;
210 pucks.insert (newpair);
211 puck->visible = true;
217 Panner2d::add_target (float x, float y)
219 Target *target = new Target (x, y, "");
221 pair<int,Target *> newpair;
222 newpair.first = targets.size();
223 newpair.second = target;
225 targets.insert (newpair);
226 target->visible = true;
229 return newpair.first;
233 Panner2d::drop_targets ()
235 for (Targets::iterator i = targets.begin(); i != targets.end(); ) {
237 Targets::iterator tmp;
252 Panner2d::remove_target (int which)
254 Targets::iterator i = targets.find (which);
256 if (i != targets.end()) {
264 Panner2d::handle_state_change ()
266 ENSURE_GUI_THREAD(mem_fun(*this, &Panner2d::handle_state_change));
272 Panner2d::handle_position_change ()
275 ENSURE_GUI_THREAD(mem_fun(*this, &Panner2d::handle_position_change));
277 for (n = 0; n < pucks.size(); ++n) {
279 panner->streampanner(n).get_position (x, y);
280 pucks[n]->x.set_value (x);
281 pucks[n]->y.set_value (y);
284 for (n = 0; n < targets.size(); ++n) {
285 targets[n]->x.set_value (panner->output(n).x);
286 targets[n]->y.set_value (panner->output(n).y);
293 Panner2d::move_target (int which, float x, float y)
295 Targets::iterator i = targets.find (which);
302 if (i != targets.end()) {
304 target->x.set_value (x);
305 target->y.set_value (y);
312 Panner2d::move_puck (int which, float x, float y)
314 Targets::iterator i = pucks.find (which);
317 if (i != pucks.end()) {
319 target->x.set_value (x);
320 target->y.set_value (y);
327 Panner2d::show_puck (int which)
329 Targets::iterator i = pucks.find (which);
331 if (i != pucks.end()) {
332 Target* puck = i->second;
333 if (!puck->visible) {
334 puck->visible = true;
341 Panner2d::hide_puck (int which)
343 Targets::iterator i = pucks.find (which);
345 if (i != pucks.end()) {
346 Target* puck = i->second;
347 if (!puck->visible) {
348 puck->visible = false;
355 Panner2d::show_target (int which)
357 Targets::iterator i = targets.find (which);
358 if (i != targets.end()) {
359 if (!i->second->visible) {
360 i->second->visible = true;
367 Panner2d::hide_target (int which)
369 Targets::iterator i = targets.find (which);
370 if (i != targets.end()) {
371 if (i->second->visible) {
372 i->second->visible = false;
379 Panner2d::find_closest_object (gdouble x, gdouble y, int& which, bool& is_puck) const
386 float best_distance = FLT_MAX;
395 for (Targets::const_iterator i = targets.begin(); i != targets.end(); ++i, ++which) {
396 candidate = i->second;
398 cx = candidate->x.get_value();
399 cy = candidate->y.get_value();
401 distance = sqrt ((cx - efx) * (cx - efx) +
402 (cy - efy) * (cy - efy));
404 if (distance < best_distance) {
406 best_distance = distance;
410 for (Targets::const_iterator i = pucks.begin(); i != pucks.end(); ++i, ++pwhich) {
411 candidate = i->second;
413 cx = candidate->x.get_value();
414 cy = candidate->y.get_value();
416 distance = sqrt ((cx - efx) * (cx - efx) +
417 (cy - efy) * (cy - efy));
419 if (distance < best_distance) {
421 best_distance = distance;
431 Panner2d::on_motion_notify_event (GdkEventMotion *ev)
434 GdkModifierType state;
437 gdk_window_get_pointer (ev->window, &x, &y, &state);
439 x = (int) floor (ev->x);
440 y = (int) floor (ev->y);
441 state = (GdkModifierType) ev->state;
444 return handle_motion (x, y, state);
447 Panner2d::on_expose_event (GdkEventExpose *event)
453 cr = gdk_cairo_create (get_window()->gobj());
455 cairo_set_line_width (cr, 1.0);
457 cairo_rectangle (cr, event->area.x, event->area.y, event->area.width, event->area.height);
458 if (!panner->bypassed()) {
459 cairo_set_source_rgba (cr, 0.1, 0.1, 0.1, 1.0);
461 cairo_set_source_rgba (cr, 0.1, 0.1, 0.1, 0.2);
463 cairo_fill_preserve (cr);
467 cairo_translate (cr, 10.0, 10.0);
470 cairo_set_source_rgb (cr, 0.0, 0.1, 0.7);
471 cairo_move_to (cr, 0.5, height/2.0+0.5);
472 cairo_line_to (cr, height+0.5, height/2+0.5);
475 cairo_move_to (cr, height/2+0.5, 0.5);
476 cairo_line_to (cr, height/2+0.5, height+0.5);
479 cairo_arc (cr, height/2, height/2, height/2, 0, 2.0 * M_PI);
482 if (!panner->bypassed()) {
485 cairo_select_font_face (cr, "sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
488 cairo_set_font_size (cr, 10);
491 cairo_set_font_size (cr, 16);
495 for (Targets::iterator i = pucks.begin(); i != pucks.end(); ++i) {
497 Target* puck = i->second;
502 fx = min (puck->x.get_value(), 1.0);
503 fx = max (fx, -1.0f);
504 x = (gint) floor (width * fx - 4);
506 fy = min (puck->y.get_value(), 1.0);
507 fy = max (fy, -1.0f);
508 y = (gint) floor (height * fy - 4);
510 cairo_arc (cr, x, y, arc_radius, 0, 2.0 * M_PI);
511 cairo_set_source_rgb (cr, 0.8, 0.2, 0.1);
512 cairo_close_path (cr);
517 if (height > 100.0f) {
524 cairo_translate (cr, x, y);
525 cairo_rotate (cr, puck->azimuth.get_value());
527 /* horizontal left-to-right line (rotation will rotate it, duh) */
533 cairo_set_line_width (cr, 4.0);
534 cairo_move_to (cr, 0.0, 0.0);
535 cairo_line_to (cr, endx, endy);
540 cairo_move_to (cr, endx - 10.0, endy + 10.0);
541 cairo_line_to (cr, endx, endy);
542 cairo_line_to (cr, endx - 10.0, endy - 10.0);
543 cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
549 cairo_move_to (cr, x + 6, y + 6);
550 cairo_show_text (cr, puck->text);
554 /* redraw any visible targets */
558 for (Targets::iterator i = targets.begin(); i != targets.end(); ++i) {
559 Target *target = i->second;
563 if (target->visible) {
565 fx = min (target->x.get_value(), 1.0);
566 fx = max (fx, -1.0f);
567 x = (gint) floor (width * fx);
569 fy = min (target->y.get_value(), 1.0);
570 fy = max (fy, -1.0f);
571 y = (gint) floor (height * fy);
573 snprintf (buf, sizeof (buf), "%d", n);
575 cairo_set_source_rgb (cr, 0.0, 0.8, 0.1);
576 cairo_rectangle (cr, x-2, y-2, 4, 4);
578 cairo_move_to (cr, x+6, y+6);
579 cairo_show_text (cr, buf);
590 Panner2d::on_button_press_event (GdkEventButton *ev)
592 GdkModifierType state;
594 if (ev->type == GDK_2BUTTON_PRESS && ev->button == 1) {
598 switch (ev->button) {
601 drag_target = find_closest_object (ev->x, ev->y, drag_index, drag_is_puck);
602 drag_x = (int) floor (ev->x);
603 drag_y = (int) floor (ev->y);
604 state = (GdkModifierType) ev->state;
606 return handle_motion (drag_x, drag_y, state);
617 Panner2d::on_button_release_event (GdkEventButton *ev)
620 GdkModifierType state;
623 switch (ev->button) {
625 x = (int) floor (ev->x);
626 y = (int) floor (ev->y);
627 state = (GdkModifierType) ev->state;
629 if (drag_is_puck && (Keyboard::modifier_state_contains (state, Keyboard::TertiaryModifier))) {
632 for (Targets::iterator i = pucks.begin(); i != pucks.end(); ++i) {
633 //Target* puck = i->second;
635 /* XXX DO SOMETHING TO SET PUCK BACK TO "normal" */
643 ret = handle_motion (x, y, state);
650 x = (int) floor (ev->x);
651 y = (int) floor (ev->y);
652 state = (GdkModifierType) ev->state;
654 if (drag_is_puck && (Keyboard::modifier_state_contains (state, Keyboard::TertiaryModifier))) {
658 ret = handle_motion (x, y, state);
673 Panner2d::handle_motion (gint evx, gint evy, GdkModifierType state)
675 if (drag_target == 0) {
679 if ((state & (GDK_BUTTON1_MASK|GDK_BUTTON2_MASK)) == 0) {
684 bool need_move = false;
686 if (!drag_is_puck && !allow_target) {
687 cerr << "dip = " << drag_is_puck << " at = " << allow_target << endl;
691 if (state & GDK_BUTTON1_MASK && !(state & GDK_BUTTON2_MASK)) {
693 if (allow_x || !drag_is_puck) {
695 x = min (evx, width - 1);
697 new_x = (float) x / (width - 1);
698 if (new_x != drag_target->x.get_value()) {
699 drag_target->x.set_value (new_x);
704 if (allow_y || drag_is_puck) {
706 y = min (evy, height - 1);
708 new_y = (float) y / (height - 1);
709 if (new_y != drag_target->y.get_value()) {
710 drag_target->y.set_value (new_y);
719 panner->streampanner(drag_index).set_position (
720 drag_target->x.get_value(), drag_target->y.get_value(), false);
724 TargetMoved (drag_index);
731 } else if ((state & GDK_BUTTON2_MASK) && !(state & GDK_BUTTON1_MASK)) {
737 int xdelta = drag_x - evx;
738 int ydelta = drag_x - evy;
740 drag_target->azimuth.set_value (drag_target->azimuth.get_value() + (2 * M_PI) * ((float)ydelta)/height * ((float) -xdelta)/height);
748 Panner2d::toggle_bypass ()
750 panner->set_bypassed (!panner->bypassed());
754 Panner2d::allow_x_motion (bool yn)
760 Panner2d::allow_target_motion (bool yn)
766 Panner2d::allow_y_motion (bool yn)
771 Panner2dWindow::Panner2dWindow (boost::shared_ptr<Panner> p, int32_t h, uint32_t inputs)
773 , reset_button (_("Reset"))
774 , bypass_button (_("Bypass"))
775 , mute_button (_("Mute"))
777 widget.set_name ("MixerPanZone");
779 set_title (_("Panner"));
780 widget.set_size_request (h, h);
782 button_box.set_spacing (6);
783 button_box.pack_start (reset_button, false, false);
784 button_box.pack_start (bypass_button, false, false);
785 button_box.pack_start (mute_button, false, false);
787 spinner_box.set_spacing (6);
788 left_side.set_spacing (6);
790 left_side.pack_start (button_box, false, false);
791 left_side.pack_start (spinner_box, false, false);
793 reset_button.show ();
794 bypass_button.show ();
800 hpacker.set_spacing (6);
801 hpacker.set_border_width (12);
802 hpacker.pack_start (widget, false, false);
803 hpacker.pack_start (left_side, false, false);
812 Panner2dWindow::reset (uint32_t n_inputs)
814 widget.reset (n_inputs);
816 while (spinners.size() < n_inputs) {
817 spinners.push_back (new Gtk::SpinButton (widget.azimuth (spinners.size())));
818 spinner_box.pack_start (*spinners.back(), false, false);
819 spinners.back()->set_digits (4);
820 spinners.back()->show ();
823 while (spinners.size() > n_inputs) {
824 spinner_box.remove (*spinners.back());
825 delete spinners.back();
826 spinners.erase (--spinners.end());