git-svn-id: svn://localhost/trunk/ardour2@52 d708f5d6-7413-0410-9779-e7cbd77b26cf
763 lines
17 KiB
C++
763 lines
17 KiB
C++
/*
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Copyright (C) 2002 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id$
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*/
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#include <limits.h>
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#include <ardour/io.h>
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#include <ardour/route.h>
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#include <ardour/route_group.h>
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#include <ardour/session.h>
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#include <ardour/session_route.h>
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#include <ardour/dB.h>
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#include <gtkmm2ext/utils.h>
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#include <gtkmm2ext/pix.h>
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#include <gtkmm2ext/fastmeter.h>
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#include <gtkmm2ext/stop_signal.h>
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#include <gtkmm2ext/barcontroller.h>
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#include <midi++/manager.h>
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#include <pbd/fastlog.h>
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#include "ardour_ui.h"
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#include "gain_meter.h"
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#include "utils.h"
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#include "logmeter.h"
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#include "gui_thread.h"
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#include <ardour/session.h>
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#include <ardour/route.h>
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#include "i18n.h"
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#include "misc_xpms"
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using namespace ARDOUR;
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using namespace Gtkmm2ext;
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using namespace Gtk;
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using namespace sigc;
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sigc::signal<void> GainMeter::ResetAllPeakDisplays;
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sigc::signal<void,RouteGroup*> GainMeter::ResetGroupPeakDisplays;
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Pix* GainMeter::slider_pix = 0;
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int
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GainMeter::setup_slider_pix ()
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{
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vector<const char **> xpms;
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xpms.push_back (vslider_rail_xpm);
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xpms.push_back (vslider_slider_xpm);
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if ((slider_pix = get_pix ("sliders", xpms, false)) == 0) {
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error << _("Cannot create slider pixmaps") << endmsg;
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return -1;
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}
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slider_pix->ref ();
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return 0;
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}
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GainMeter::GainMeter (IO& io, Session& s)
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: _io (io),
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_session (s),
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gain_slider (0),
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// 0.781787 is the value needed for gain to be set to 0.
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gain_adjustment (0.781787, 0.0, 1.0, 0.01, 0.1),
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gain_display (&gain_adjustment, "MixerStripGainDisplay"),
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gain_unit_label (_("dbFS")),
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meter_point_label (_("pre")),
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top_table (1, 2)
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{
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if (slider_pix == 0) {
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setup_slider_pix ();
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}
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ignore_toggle = false;
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meter_menu = 0;
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gain_slider = manage (new VSliderController (slider_pix,
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&gain_adjustment,
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& _io.midi_gain_control(),
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false));
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gain_slider->signal_button_press_event().connect (mem_fun(*this, &GainMeter::start_gain_touch));
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gain_slider->signal_button_release_event().connect (mem_fun(*this, &GainMeter::end_gain_touch));
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gain_slider->set_name ("MixerGainMeter");
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if (_session.midi_port()) {
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_io.set_midi_to_gain_function (slider_position_to_gain);
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_io.set_gain_to_midi_function (gain_to_slider_position);
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}
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gain_display.set_print_func (_gain_printer, this);
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set_size_request_to_display_given_text (gain_display, "-86.0", 2, 2);
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gain_unit_button.add (gain_unit_label);
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gain_unit_button.set_name ("MixerStripGainUnitButton");
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gain_unit_label.set_name ("MixerStripGainUnitButton");
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top_table.set_col_spacings (2);
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top_table.set_homogeneous (true);
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top_table.attach (gain_unit_button, 0, 1, 0, 1);
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Route* r;
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if ((r = dynamic_cast<Route*> (&_io)) != 0) {
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r->meter_change.connect (mem_fun(*this, &GainMeter::meter_changed));
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meter_point_button.add (meter_point_label);
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meter_point_button.set_name ("MixerStripMeterPreButton");
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meter_point_label.set_name ("MixerStripMeterPreButton");
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switch (r->meter_point()) {
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case MeterInput:
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meter_point_label.set_text (_("input"));
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break;
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case MeterPreFader:
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meter_point_label.set_text (_("pre"));
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break;
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case MeterPostFader:
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meter_point_label.set_text (_("post"));
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break;
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}
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/* TRANSLATORS: this string should be longest of the strings
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used to describe meter points. In english, its "input".
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*/
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set_size_request_to_display_given_text (meter_point_button, _("tupni"), 2, 2);
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meter_point_button.signal_button_press_event().connect (mem_fun(*this, &GainMeter::meter_press));
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meter_point_button.signal_button_release_event().connect (mem_fun(*this, &GainMeter::meter_release));
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top_table.attach (meter_point_button, 1, 2, 0, 1);
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}
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gain_display_box.set_spacing (2);
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gain_display_frame.set_shadow_type (Gtk::SHADOW_IN);
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gain_display_frame.set_name ("BaseFrame");
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gain_display_frame.add (gain_display);
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gain_display_box.pack_start (gain_display_frame, false, false);
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peak_display.set_name ("MixerStripPeakDisplay");
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set_size_request_to_display_given_text (peak_display, "-86.0", 2, 2);
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peak_display.add (peak_display_label);
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peak_display_frame.set_shadow_type (Gtk::SHADOW_IN);
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peak_display_frame.set_name ("BaseFrame");
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peak_display_frame.add (peak_display);
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max_peak = minus_infinity();
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peak_display_label.set_text (_("-inf"));
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gain_display_box.pack_start (peak_display_frame, false, false);
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meter_metric_area.set_size_request (18, -1);
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meter_metric_area.set_name ("MeterMetricsStrip");
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meter_packer.show ();
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gain_slider->show_all ();
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meter_packer.set_spacing (2);
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fader_box.set_spacing (2);
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fader_box.pack_start (*gain_slider, false, false);
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hbox.set_spacing (4);
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hbox.pack_start (fader_box, false, false);
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hbox.pack_start (meter_packer, false, false);
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set_spacing (4);
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pack_start (top_table, false, false);
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pack_start (gain_display_box, false, false);
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pack_start (hbox, false, false);
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show_all ();
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_io.gain_changed.connect (mem_fun(*this, &GainMeter::gain_changed));
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meter_metric_area.signal_expose_event().connect (mem_fun(*this, &GainMeter::meter_metrics_expose));
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gain_adjustment.signal_value_changed().connect (mem_fun(*this, &GainMeter::gain_adjusted));
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peak_display.signal_button_release_event().connect (mem_fun(*this, &GainMeter::peak_button_release));
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_session.MeterHoldChanged.connect (mem_fun(*this, &GainMeter::meter_hold_changed));
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gain_changed (0);
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update_gain_sensitive ();
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ResetAllPeakDisplays.connect (mem_fun(*this, &GainMeter::reset_peak_display));
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ResetGroupPeakDisplays.connect (mem_fun(*this, &GainMeter::reset_group_peak_display));
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}
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void
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GainMeter::set_width (Width w)
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{
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switch (w) {
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case Wide:
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peak_display_frame.show_all();
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break;
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case Narrow:
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peak_display_frame.hide_all();
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break;
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}
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_width = w;
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setup_meters ();
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}
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gint
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GainMeter::meter_metrics_expose (GdkEventExpose *ev)
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{
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/* XXX optimize this so that it doesn't do it all everytime */
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double fraction;
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GdkWindow win (meter_metric_area.get_window());
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Gdk_GC fg_gc (meter_metric_area.get_style()->get_fg_gc (Gtk::STATE_NORMAL));
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Gdk_GC bg_gc (meter_metric_area.get_style()->get_bg_gc (Gtk::STATE_NORMAL));
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Gdk_Font font (meter_metric_area.get_style()->get_font());
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gint x, y, width, height, depth;
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gint pos;
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int db_points[] = { -50, -10, -3, 0, 6 };
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uint32_t i;
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char buf[32];
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GdkRectangle base_rect;
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GdkRectangle draw_rect;
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win.get_geometry (x, y, width, height, depth);
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base_rect.width = width;
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base_rect.height = height;
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base_rect.x = 0;
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base_rect.y = 0;
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gdk_rectangle_intersect (&ev->area, &base_rect, &draw_rect);
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win.draw_rectangle (bg_gc, true, draw_rect.x, draw_rect.y, draw_rect.width, draw_rect.height);
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for (i = 0; i < sizeof (db_points)/sizeof (db_points[0]); ++i) {
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fraction = log_meter (db_points[i]);
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pos = height - (gint) floor (height * fraction);
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snprintf (buf, sizeof (buf), "%d", db_points[i]);
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gint twidth;
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gint lbearing;
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gint rbearing;
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gint ascent;
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gint descent;
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gdk_string_extents (font,
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buf,
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&lbearing,
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&rbearing,
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&twidth,
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&ascent,
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&descent);
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win.draw_text (font, fg_gc, width - twidth, pos + ascent, buf, strlen (buf));
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}
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return TRUE;
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}
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GainMeter::~GainMeter ()
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{
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if (meter_menu) {
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delete meter_menu;
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}
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for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); i++) {
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if ((*i).meter) {
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delete (*i).meter;
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}
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}
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}
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void
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GainMeter::update_meters ()
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{
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vector<MeterInfo>::iterator i;
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uint32_t n;
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float peak;
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char buf[32];
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for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
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if ((*i).packed) {
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peak = _io.peak_input_power (n);
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if (_session.meter_falloff() == 0.0f || peak > (*i).meter->get_user_level()) {
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(*i).meter->set (log_meter (peak), peak);
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}
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if (peak > max_peak) {
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max_peak = peak;
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/* set peak display */
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snprintf (buf, sizeof(buf), "%.1f", max_peak);
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peak_display_label.set_text (buf);
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if (max_peak >= 0.0f) {
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peak_display.set_name ("MixerStripPeakDisplayPeak");
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}
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}
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}
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}
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}
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void
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GainMeter::update_meters_falloff ()
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{
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vector<MeterInfo>::iterator i;
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uint32_t n;
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float dbpeak;
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for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
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if ((*i).packed) {
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// just do falloff
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//peak = (*i).meter->get_level() * _falloff_rate;
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dbpeak = (*i).meter->get_user_level() - _session.meter_falloff();
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dbpeak = std::max(dbpeak, -200.0f);
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// cerr << "tmplevel: " << tmplevel << endl;
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(*i).meter->set (log_meter (dbpeak), dbpeak);
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}
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}
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}
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void
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GainMeter::meter_hold_changed()
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{
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ENSURE_GUI_THREAD(mem_fun(*this, &GainMeter::meter_hold_changed));
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vector<MeterInfo>::iterator i;
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uint32_t n;
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for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
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(*i).meter->set_hold_count ((uint32_t) floor(_session.meter_hold()));
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}
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}
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void
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GainMeter::hide_all_meters ()
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{
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bool remove_metric_area = false;
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for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); ++i) {
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if ((*i).packed) {
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remove_metric_area = true;
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meter_packer.remove (*((*i).meter));
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(*i).packed = false;
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}
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}
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if (remove_metric_area) {
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if (meter_metric_area.get_parent()) {
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meter_packer.remove (meter_metric_area);
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}
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}
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}
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void
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GainMeter::setup_meters ()
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{
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uint32_t nmeters = _io.n_outputs();
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guint16 width;
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hide_all_meters ();
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Route* r;
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if ((r = dynamic_cast<Route*> (&_io)) != 0) {
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switch (r->meter_point()) {
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case MeterPreFader:
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case MeterInput:
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nmeters = r->n_inputs();
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break;
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case MeterPostFader:
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nmeters = r->n_outputs();
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break;
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}
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} else {
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nmeters = _io.n_outputs();
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}
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if (nmeters == 0) {
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return;
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}
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if (_width == Wide) {
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meter_packer.pack_start (meter_metric_area, false, false);
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meter_metric_area.show_all ();
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}
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if (nmeters <= 2) {
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width = regular_meter_width;
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} else {
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width = thin_meter_width;
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}
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while (meters.size() < nmeters) {
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meters.push_back (MeterInfo());
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}
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for (uint32_t n = 0; n < nmeters; ++n) {
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if (meters[n].width != width) {
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delete meters[n].meter;
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meters[n].meter = new FastMeter ((uint32_t) floor (_session.meter_hold()), width, FastMeter::Vertical);
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meters[n].width = width;
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meters[n].meter->add_events (Gdk::BUTTON_RELEASE_MASK);
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meters[n].meter->signal_button_release_event().connect
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(bind (mem_fun(*this, &GainMeter::meter_button_release), n));
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meters[n].meter->signal_button_release_event().connect_after (ptr_fun (do_not_propagate));
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}
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meter_packer.pack_start (*meters[n].meter, false, false);
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meters[n].meter->show_all ();
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meters[n].packed = true;
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}
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}
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gint
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GainMeter::peak_button_release (GdkEventButton* ev)
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{
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/* reset peak label */
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if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::Control|Keyboard::Shift)) {
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ResetAllPeakDisplays ();
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} else if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
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Route* r;
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if ((r = dynamic_cast<Route*> (&_io)) != 0) {
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ResetGroupPeakDisplays (r->mix_group());
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}
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} else {
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reset_peak_display ();
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}
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return TRUE;
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}
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void
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GainMeter::reset_peak_display ()
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{
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max_peak = minus_infinity();
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peak_display_label.set_text (_("-inf"));
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peak_display.set_name ("MixerStripPeakDisplay");
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}
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void
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GainMeter::reset_group_peak_display (RouteGroup* group)
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{
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Route* r;
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if ((r = dynamic_cast<Route*> (&_io)) != 0) {
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if (group == r->mix_group()) {
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reset_peak_display ();
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}
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}
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}
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gint
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GainMeter::meter_button_release (GdkEventButton* ev, uint32_t which)
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{
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switch (ev->button) {
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case 1:
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meters[which].meter->clear();
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max_peak = minus_infinity();
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peak_display_label.set_text (_("-inf"));
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peak_display.set_name ("MixerStripPeakDisplay");
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break;
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case 3:
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// popup_meter_menu (ev);
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break;
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};
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return TRUE;
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}
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void
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GainMeter::popup_meter_menu (GdkEventButton *ev)
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{
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using namespace Menu_Helpers;
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if (meter_menu == 0) {
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meter_menu = new Gtk::Menu;
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MenuList& items = meter_menu->items();
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items.push_back (MenuElem ("-inf .. +0dBFS"));
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items.push_back (MenuElem ("-10dB .. +0dBFS"));
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items.push_back (MenuElem ("-4 .. +0dBFS"));
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items.push_back (SeparatorElem());
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items.push_back (MenuElem ("-inf .. -2dBFS"));
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items.push_back (MenuElem ("-10dB .. -2dBFS"));
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items.push_back (MenuElem ("-4 .. -2dBFS"));
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}
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meter_menu->popup (1, ev->time);
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}
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void
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GainMeter::_gain_printer (char buf[32], Gtk::Adjustment& adj, void *arg)
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{
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static_cast<GainMeter *>(arg)->gain_printer (buf, adj);
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}
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void
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GainMeter::gain_printer (char buf[32], Gtk::Adjustment& adj)
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{
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float v = adj.get_value();
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if (v == 0.0) {
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strcpy (buf, _("-inf"));
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} else {
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snprintf (buf, 32, "%.1f", coefficient_to_dB (slider_position_to_gain (v)));
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}
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}
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void
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GainMeter::gain_adjusted ()
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{
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if (!ignore_toggle) {
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_io.set_gain (slider_position_to_gain (gain_adjustment.get_value()), this);
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}
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}
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void
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GainMeter::effective_gain_display ()
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{
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gfloat value = gain_to_slider_position (_io.effective_gain());
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if (gain_adjustment.get_value() != value) {
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ignore_toggle = true;
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gain_adjustment.set_value (value);
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ignore_toggle = false;
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}
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}
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void
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GainMeter::gain_changed (void *src)
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{
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Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &GainMeter::effective_gain_display));
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}
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gint
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GainMeter::entry_focus_event (GdkEventFocus* ev)
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{
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if (ev->in) {
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ARDOUR_UI::instance()->allow_focus (true);
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} else {
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ARDOUR_UI::instance()->allow_focus (false);
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}
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return TRUE;
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}
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void
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GainMeter::set_meter_strip_name (string name)
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{
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meter_metric_area.set_name (name);
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}
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void
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GainMeter::set_fader_name (string name)
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{
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gain_slider->set_name (name);
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}
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void
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GainMeter::update_gain_sensitive ()
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{
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static_cast<Gtkmm2ext::SliderController*>(gain_slider)->set_sensitive (!(_io.gain_automation_state() & Play));
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}
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static MeterPoint
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next_meter_point (MeterPoint mp)
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{
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switch (mp) {
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case MeterInput:
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return MeterPreFader;
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break;
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case MeterPreFader:
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return MeterPostFader;
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break;
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case MeterPostFader:
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return MeterInput;
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break;
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}
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/*NOTREACHED*/
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return MeterInput;
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}
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gint
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GainMeter::meter_press(GdkEventButton* ev)
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{
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Route* _route;
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wait_for_release = false;
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if ((_route = dynamic_cast<Route*>(&_io)) == 0) {
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return FALSE;
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}
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if (!ignore_toggle) {
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if (Keyboard::is_context_menu_event (ev)) {
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// no menu at this time.
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} else {
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if (ev->button == 2) {
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// ctrl-button2 click is the midi binding click
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// button2-click is "momentary"
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if (!Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::Control))) {
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wait_for_release = true;
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old_meter_point = _route->meter_point ();
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}
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}
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if (ev->button == 1 || ev->button == 2) {
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if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::Control|Keyboard::Shift))) {
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/* ctrl-shift-click applies change to all routes */
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_session.foreach_route (this, &GainMeter::set_meter_point, next_meter_point (_route->meter_point()));
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} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
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/* ctrl-click: solo mix group.
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ctrl-button2 is MIDI learn.
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*/
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if (ev->button == 1) {
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set_mix_group_meter_point (*_route, next_meter_point (_route->meter_point()));
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}
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} else {
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/* click: solo this route */
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_route->set_meter_point (next_meter_point (_route->meter_point()), this);
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}
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}
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}
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}
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return stop_signal (meter_point_button, "button-press-event");
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}
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gint
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GainMeter::meter_release(GdkEventButton* ev)
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{
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if(!ignore_toggle){
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if (wait_for_release){
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wait_for_release = false;
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set_meter_point (*(dynamic_cast<Route*>(&_io)), old_meter_point);
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stop_signal (meter_point_button, "button-release-event");
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}
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}
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return TRUE;
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}
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void
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GainMeter::set_meter_point (Route& route, MeterPoint mp)
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{
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route.set_meter_point (mp, this);
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}
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void
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GainMeter::set_mix_group_meter_point (Route& route, MeterPoint mp)
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{
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RouteGroup* mix_group;
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if((mix_group = route.mix_group()) != 0){
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mix_group->apply (&Route::set_meter_point, mp, this);
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} else {
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route.set_meter_point (mp, this);
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}
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}
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void
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GainMeter::meter_changed (void *src)
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{
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Route* r;
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ENSURE_GUI_THREAD (bind (mem_fun(*this, &GainMeter::meter_changed), src));
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if ((r = dynamic_cast<Route*> (&_io)) != 0) {
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switch (r->meter_point()) {
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case MeterInput:
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meter_point_label.set_text (_("input"));
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break;
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case MeterPreFader:
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meter_point_label.set_text (_("pre"));
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break;
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case MeterPostFader:
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meter_point_label.set_text (_("post"));
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break;
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}
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setup_meters ();
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}
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}
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|
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void
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GainMeter::meter_point_clicked ()
|
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{
|
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Route* r;
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if ((r = dynamic_cast<Route*> (&_io)) != 0) {
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}
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}
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gint
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GainMeter::start_gain_touch (GdkEventButton* ev)
|
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{
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_io.start_gain_touch ();
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return FALSE;
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}
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gint
|
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GainMeter::end_gain_touch (GdkEventButton* ev)
|
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{
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_io.end_gain_touch ();
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return FALSE;
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}
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