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livetrax/gtk2_ardour/ardour_ui2.cc

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/*
* Copyright (C) 2005-2006 Taybin Rutkin <taybin@taybin.com>
* Copyright (C) 2005-2015 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2005-2018 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2006-2007 Doug McLain <doug@nostar.net>
* Copyright (C) 2006-2012 David Robillard <d@drobilla.net>
* Copyright (C) 2006 Karsten Wiese <fzuuzf@googlemail.com>
* Copyright (C) 2006 Nick Mainsbridge <mainsbridge@gmail.com>
* Copyright (C) 2007-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2008 Hans Baier <hansfbaier@googlemail.com>
* Copyright (C) 2012-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2014-2018 Ben Loftis <ben@harrisonconsoles.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef WAF_BUILD
#include "gtk2ardour-config.h"
#endif
#include <fcntl.h>
#include <signal.h>
#include <unistd.h>
#include <cerrno>
#include <iostream>
#include <cmath>
#include <gtkmm/menu.h>
#include <gtkmm/menuitem.h>
#include <sigc++/bind.h>
#include <gtkmm/settings.h>
#include "canvas/canvas.h"
#include "pbd/error.h"
#include "pbd/basename.h"
#include "pbd/fastlog.h"
#include "gtkmm2ext/utils.h"
#include "gtkmm2ext/window_title.h"
#include "ardour/audioengine.h"
#include "ardour/profile.h"
#include "ardour/session.h"
#include "ardour/types.h"
#include "ardour_ui.h"
#include "keyboard.h"
#include "public_editor.h"
#include "audio_clock.h"
#include "actions.h"
#include "main_clock.h"
#include "mixer_ui.h"
#include "recorder_ui.h"
#include "application_bar.h" //TODO: move to each window
#include "trigger_page.h"
#include "utils.h"
#include "time_info_box.h"
#include "midi_tracer.h"
#include "global_port_matrix.h"
#include "location_ui.h"
#include "rc_option_editor.h"
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtkmm2ext;
using namespace ArdourWidgets;
using namespace Gtk;
using namespace Glib;
using namespace ARDOUR_UI_UTILS;
using namespace Menu_Helpers;
void
ARDOUR_UI::setup_tooltips ()
{
ArdourCanvas::Canvas::set_tooltip_timeout (Gtk::Settings::get_default()->property_gtk_tooltip_timeout ());
parameter_changed("click-gain");
set_tip (solo_alert_button, _("When active, something is soloed.\nClick to de-solo everything"));
set_tip (auditioning_alert_button, _("When active, auditioning is taking place.\nClick to stop the audition"));
set_tip (feedback_alert_button, _("When lit, there is a ports connection issue, leading to feedback loop or ambiguous alignment.\nThis is caused by connecting an output back to some input (feedback), or by multiple connections from a source to the same output via different paths (ambiguous latency, record alignment)."));
set_tip (editor_meter_peak_display, _("Reset All Peak Meters"));
set_tip (error_alert_button, _("Show Error Log and acknowledge warnings"));
set_tip (_cue_rec_enable, _("<b>When enabled</b>, triggering Cues will result in Cue Markers added to the timeline"));
set_tip (_cue_play_enable, _("<b>When enabled</b>, Cue Markers will trigger the associated Cue when passed on the timeline"));
synchronize_sync_source_and_video_pullup ();
editor->setup_tooltips ();
}
bool
ARDOUR_UI::status_bar_button_press (GdkEventButton* ev)
{
bool handled = false;
switch (ev->button) {
case 1:
status_bar_label.set_text ("");
handled = true;
break;
default:
break;
}
return handled;
}
void
ARDOUR_UI::display_message (const char* prefix, gint prefix_len, RefPtr<TextBuffer::Tag> ptag, RefPtr<TextBuffer::Tag> mtag, const char* msg)
{
UI::display_message (prefix, prefix_len, ptag, mtag, msg);
ArdourLogLevel ll = LogLevelNone;
if (strcmp (prefix, _("[ERROR]: ")) == 0) {
ll = LogLevelError;
} else if (strcmp (prefix, _("[WARNING]: ")) == 0) {
ll = LogLevelWarning;
} else if (strcmp (prefix, _("[INFO]: ")) == 0) {
ll = LogLevelInfo;
}
_log_not_acknowledged = std::max(_log_not_acknowledged, ll);
}
XMLNode*
ARDOUR_UI::tearoff_settings (const char* name) const
{
XMLNode* ui_node = Config->extra_xml(X_("UI"));
if (ui_node) {
XMLNode* tearoff_node = ui_node->child (X_("Tearoffs"));
if (tearoff_node) {
XMLNode* mnode = tearoff_node->child (name);
return mnode;
}
}
return 0;
}
#define PX_SCALE(px) std::max((float)px, rintf((float)px * UIConfiguration::instance().get_ui_scale()))
static
bool drag_failed (const Glib::RefPtr<Gdk::DragContext>& context, DragResult result, Tabbable* tab)
{
if (result == Gtk::DRAG_RESULT_NO_TARGET) {
tab->detach ();
return true;
}
return false;
}
void
ARDOUR_UI::cue_rec_state_clicked ()
{
TriggerBox::set_cue_recording(!TriggerBox::cue_recording());
}
void
ARDOUR_UI::cue_ffwd_state_clicked ()
{
if (editor) {
editor->toggle_cue_behavior ();
}
}
void
ARDOUR_UI::cue_rec_state_changed ()
{
_cue_rec_enable.set_active_state( TriggerBox::cue_recording() ? Gtkmm2ext::ExplicitActive : Gtkmm2ext::Off);
//Config->get_cue_behavior()
}
void
ARDOUR_UI::setup_transport ()
{
RefPtr<Action> act;
/* setup actions */
/* CANNOT sigc::bind these to clicked or toggled, must use pressed or released */
act = ActionManager::get_action (X_("Main"), X_("cancel-solo"));
solo_alert_button.set_related_action (act);
auditioning_alert_button.signal_clicked.connect (sigc::mem_fun(*this,&ARDOUR_UI::audition_alert_clicked));
error_alert_button.signal_button_release_event().connect (sigc::mem_fun(*this,&ARDOUR_UI::error_alert_press), false);
act = ActionManager::get_action (X_("Editor"), X_("toggle-log-window"));
error_alert_button.set_related_action(act);
error_alert_button.set_fallthrough_to_parent(true);
editor_visibility_button.set_related_action (ActionManager::get_action (X_("Common"), X_("change-editor-visibility")));
mixer_visibility_button.set_related_action (ActionManager::get_action (X_("Common"), X_("change-mixer-visibility")));
prefs_visibility_button.set_related_action (ActionManager::get_action (X_("Common"), X_("change-preferences-visibility")));
recorder_visibility_button.set_related_action (ActionManager::get_action (X_("Common"), X_("change-recorder-visibility")));
trigger_page_visibility_button.set_related_action (ActionManager::get_action (X_("Common"), X_("change-trigger-visibility")));
act = ActionManager::get_action (X_("Monitor Section"), X_("monitor-dim-all"));
monitor_dim_button.set_related_action (act);
act = ActionManager::get_action (X_("Monitor Section"), X_("monitor-mono"));
monitor_mono_button.set_related_action (act);
act = ActionManager::get_action (X_("Monitor Section"), X_("monitor-cut-all"));
monitor_mute_button.set_related_action (act);
/* connect signals */
ARDOUR_UI::Clock.connect (sigc::bind (sigc::mem_fun (primary_clock, &MainClock::set), false));
ARDOUR_UI::Clock.connect (sigc::bind (sigc::mem_fun (secondary_clock, &MainClock::set), false));
editor_visibility_button.signal_drag_failed().connect (sigc::bind (sigc::ptr_fun (drag_failed), editor));
mixer_visibility_button.signal_drag_failed().connect (sigc::bind (sigc::ptr_fun (drag_failed), mixer));
prefs_visibility_button.signal_drag_failed().connect (sigc::bind (sigc::ptr_fun (drag_failed), rc_option_editor));
recorder_visibility_button.signal_drag_failed().connect (sigc::bind (sigc::ptr_fun (drag_failed), recorder));
trigger_page_visibility_button.signal_drag_failed().connect (sigc::bind (sigc::ptr_fun (drag_failed), trigger_page));
_cue_rec_enable.set_name ("record enable button");
_cue_rec_enable.signal_clicked.connect(sigc::mem_fun(*this, &ARDOUR_UI::cue_rec_state_clicked));
_cue_play_enable.set_name ("transport option button");
_cue_play_enable.signal_clicked.connect(sigc::mem_fun(*this, &ARDOUR_UI::cue_ffwd_state_clicked));
/* catch context clicks so that we can show a menu on these buttons */
editor_visibility_button.signal_button_press_event().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::tabbable_visibility_button_press), X_("editor")), false);
mixer_visibility_button.signal_button_press_event().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::tabbable_visibility_button_press), X_("mixer")), false);
prefs_visibility_button.signal_button_press_event().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::tabbable_visibility_button_press), X_("preferences")), false);
recorder_visibility_button.signal_button_press_event().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::tabbable_visibility_button_press), X_("recorder")), false);
trigger_page_visibility_button.signal_button_press_event().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::tabbable_visibility_button_press), X_("trigger")), false);
/* setup widget style/name */
solo_alert_button.set_name ("rude solo");
auditioning_alert_button.set_name ("rude audition");
feedback_alert_button.set_name ("feedback alert");
error_alert_button.set_name ("error alert");
solo_alert_button.set_elements (ArdourButton::Element(ArdourButton::Body|ArdourButton::Text));
auditioning_alert_button.set_elements (ArdourButton::Element(ArdourButton::Body|ArdourButton::Text));
feedback_alert_button.set_elements (ArdourButton::Element(ArdourButton::Body|ArdourButton::Text));
solo_alert_button.set_layout_font (UIConfiguration::instance().get_SmallerFont());
auditioning_alert_button.set_layout_font (UIConfiguration::instance().get_SmallerFont());
feedback_alert_button.set_layout_font (UIConfiguration::instance().get_SmallerFont());
feedback_alert_button.set_sizing_text (_("Facdbeek")); //< longest of "Feedback" and "No Align"
editor_visibility_button.set_name (X_("page switch button"));
mixer_visibility_button.set_name (X_("page switch button"));
prefs_visibility_button.set_name (X_("page switch button"));
recorder_visibility_button.set_name (X_("page switch button"));
trigger_page_visibility_button.set_name (X_("page switch button"));
monitor_dim_button.set_name ("monitor section dim");
monitor_mono_button.set_name ("monitor section mono");
monitor_mute_button.set_name ("mute button");
monitor_dim_button.set_layout_font (UIConfiguration::instance().get_SmallerFont());
monitor_mono_button.set_layout_font (UIConfiguration::instance().get_SmallerFont());
monitor_mute_button.set_layout_font (UIConfiguration::instance().get_SmallerFont());
monitor_dim_button.set_elements (ArdourButton::Element(ArdourButton::Body|ArdourButton::Text));
monitor_mono_button.set_elements (ArdourButton::Element(ArdourButton::Body|ArdourButton::Text));
monitor_mute_button.set_elements (ArdourButton::Element(ArdourButton::Body|ArdourButton::Text));
/* and widget text */
monitor_dim_button.set_text (_("Dim All"));
monitor_mono_button.set_text (_("Mono"));
monitor_mute_button.set_text (_("Mute All"));
/* and tooltips */
Gtkmm2ext::UI::instance()->set_tip (editor_visibility_button,
string_compose (_("Left-Click to show the %1 window\n"
"Right-click to show more options"), editor->name()));
Gtkmm2ext::UI::instance()->set_tip (mixer_visibility_button,
string_compose (_("Left-Click to show the %1 window\n"
"Right-click to show more options"), mixer->name()));
Gtkmm2ext::UI::instance()->set_tip (prefs_visibility_button,
string_compose (_("Left-Click to show the %1 window\n"
"Right-click to show more options"), rc_option_editor->name()));
Gtkmm2ext::UI::instance()->set_tip (recorder_visibility_button,
string_compose (_("Left-Click to show the %1 window\n"
"Right-click to show more options"), recorder->name()));
Gtkmm2ext::UI::instance()->set_tip (trigger_page_visibility_button,
string_compose (_("Left-Click to show the %1 window\n"
"Right-click to show more options"), trigger_page->name()));
/* monitor section */
Gtkmm2ext::UI::instance()->set_tip (monitor_dim_button, _("Monitor section dim output"));
Gtkmm2ext::UI::instance()->set_tip (monitor_mono_button, _("Monitor section mono output"));
Gtkmm2ext::UI::instance()->set_tip (monitor_mute_button, _("Monitor section mute output"));
/* transport control size-group */
Glib::RefPtr<SizeGroup> monitor_button_size_group = SizeGroup::create (Gtk::SIZE_GROUP_HORIZONTAL);
monitor_button_size_group->add_widget (monitor_dim_button);
monitor_button_size_group->add_widget (monitor_mono_button);
monitor_button_size_group->add_widget (monitor_mute_button);
/* and now the layout... */
/* top level packing */
transport_table.set_spacings (0);
transport_table.set_row_spacings (4);
transport_table.set_border_width (1);
transport_frame.set_name ("TransportFrame");
transport_frame.set_shadow_type (Gtk::SHADOW_NONE);
/* An event box to hold the table. We use this because we want specific
control over the background color, and without this event box,
nothing inside the transport_frame actually draws a background. We
would therefore end up seeing the background of the parent widget,
which is probably some default color. Adding the EventBox adds a
widget that will draw the background, using a style based on
the parent, "TransportFrame".
*/
Gtk::EventBox* ebox = manage (new Gtk::EventBox);
transport_frame.add (*ebox);
ebox->add (transport_table);
/* alert box sub-group */
VBox* alert_box = manage (new VBox);
alert_box->set_homogeneous (true);
alert_box->set_spacing (1);
alert_box->set_border_width (0);
alert_box->pack_start (solo_alert_button, true, true);
alert_box->pack_start (auditioning_alert_button, true, true);
alert_box->pack_start (feedback_alert_button, true, true);
/* monitor section sub-group */
VBox* monitor_box = manage (new VBox);
monitor_box->set_homogeneous (true);
monitor_box->set_spacing (1);
monitor_box->set_border_width (0);
monitor_box->pack_start (monitor_mono_button, true, true);
monitor_box->pack_start (monitor_dim_button, true, true);
monitor_box->pack_start (monitor_mute_button, true, true);
//tab selections
button_height_size_group->add_widget (trigger_page_visibility_button);
button_height_size_group->add_widget (recorder_visibility_button);
button_height_size_group->add_widget (editor_visibility_button);
button_height_size_group->add_widget (mixer_visibility_button);
button_height_size_group->add_widget (prefs_visibility_button);
for (int i = 0; i < MAX_LUA_ACTION_BUTTONS; ++i) {
button_height_size_group->add_widget (action_script_call_btn[i]);
}
/* and the main table layout */
int vpadding = 1;
int hpadding = 2;
int col = 0;
#define TCOL col, col + 1
transport_table.attach (*application_bar, TCOL, 0, 2 , EXPAND|FILL, EXPAND|FILL, 3, 0);
++col;
transport_table.attach (*alert_box, TCOL, 0, 2, SHRINK, EXPAND|FILL, hpadding, 0);
++col;
transport_table.attach (monitor_spacer, TCOL, 0, 2 , SHRINK, EXPAND|FILL, 3, 0);
++col;
transport_table.attach (*monitor_box, TCOL, 0, 2 , SHRINK, EXPAND|FILL, 3, 0);
++col;
transport_table.attach (cuectrl_spacer, TCOL, 0, 2 , SHRINK, EXPAND|FILL, 3, 0);
++col;
transport_table.attach (_cue_rec_enable, TCOL, 0, 1 , FILL, FILL, 3, 0);
transport_table.attach (_cue_play_enable, TCOL, 1, 2 , FILL, FILL, 3, 0);
++col;
/* editor-meter, mini-timeline and selection clock are options in the transport_hbox */
transport_hbox.set_spacing (3);
transport_table.attach (transport_hbox, TCOL, 0, 2, EXPAND|FILL, EXPAND|FILL, hpadding, 0);
++col;
/* lua script action buttons */
for (int i = 0; i < MAX_LUA_ACTION_BUTTONS; ++i) {
const int r = i % 2;
const int c = col + i / 2;
transport_table.attach (action_script_call_btn[i], c, c + 1, r, r + 1, FILL, SHRINK, 1, vpadding);
}
col += MAX_LUA_ACTION_BUTTONS / 2;
transport_table.attach (scripts_spacer, TCOL, 0, 2 , SHRINK, EXPAND|FILL, 3, 0);
++col;
transport_table.attach (recorder_visibility_button, TCOL, 0, 1 , FILL, SHRINK, hpadding, vpadding);
transport_table.attach (trigger_page_visibility_button, TCOL, 1, 2 , FILL, SHRINK, hpadding, vpadding);
++col;
transport_table.attach (editor_visibility_button, TCOL, 0, 1 , FILL, SHRINK, hpadding, vpadding);
transport_table.attach (mixer_visibility_button, TCOL, 1, 2 , FILL, SHRINK, hpadding, vpadding);
++col;
/* desensitize */
feedback_alert_button.set_sensitive (false);
feedback_alert_button.set_visual_state (Gtkmm2ext::NoVisualState);
auditioning_alert_button.set_sensitive (false);
auditioning_alert_button.set_visual_state (Gtkmm2ext::NoVisualState);
}
#undef PX_SCALE
#undef TCOL
void
ARDOUR_UI::soloing_changed (bool onoff)
{
if (solo_alert_button.get_active() != onoff) {
solo_alert_button.set_active (onoff);
}
}
void
ARDOUR_UI::_auditioning_changed (bool onoff)
{
auditioning_alert_button.set_active (onoff);
auditioning_alert_button.set_sensitive (onoff);
if (!onoff) {
auditioning_alert_button.set_visual_state (Gtkmm2ext::NoVisualState);
}
}
void
ARDOUR_UI::auditioning_changed (bool onoff)
{
UI::instance()->call_slot (MISSING_INVALIDATOR, std::bind (&ARDOUR_UI::_auditioning_changed, this, onoff));
}
void
ARDOUR_UI::audition_alert_clicked ()
{
if (_session) {
_session->cancel_audition();
}
}
bool
ARDOUR_UI::error_alert_press (GdkEventButton* ev)
{
bool do_toggle = true;
if (ev->button == 1) {
if (_log_not_acknowledged == LogLevelError) {
// just acknowledge the error, don't hide the log if it's already visible
RefPtr<ToggleAction> tact = ActionManager::get_toggle_action (X_("Editor"), X_("toggle-log-window"));
if (tact->get_active()) {
do_toggle = false;
}
}
_log_not_acknowledged = LogLevelNone;
error_blink (false); // immediate acknowledge
}
// maybe fall through to to button toggle
return !do_toggle;
}
void
ARDOUR_UI::solo_blink (bool onoff)
{
if (_session == 0) {
return;
}
if (_session->soloing() || _session->listening()) {
if (onoff) {
solo_alert_button.set_active (true);
} else {
solo_alert_button.set_active (false);
}
} else {
solo_alert_button.set_active (false);
}
}
void
ARDOUR_UI::audition_blink (bool onoff)
{
if (_session == 0) {
return;
}
if (_session->is_auditioning()) {
if (onoff) {
auditioning_alert_button.set_active (true);
} else {
auditioning_alert_button.set_active (false);
}
} else {
auditioning_alert_button.set_active (false);
}
}
void
ARDOUR_UI::feedback_blink (bool onoff)
{
if (_feedback_exists) {
feedback_alert_button.set_active (true);
feedback_alert_button.set_text (_("Feedback"));
if (onoff) {
feedback_alert_button.reset_fixed_colors ();
} else {
feedback_alert_button.set_active_color (UIConfigurationBase::instance().color ("feedback alert: alt active", NULL));
}
} else if (_ambiguous_latency && !UIConfiguration::instance().get_show_toolbar_latency ()) {
feedback_alert_button.set_text (_("No Align"));
feedback_alert_button.set_active (true);
if (onoff) {
feedback_alert_button.reset_fixed_colors ();
} else {
feedback_alert_button.set_active_color (UIConfigurationBase::instance().color ("feedback alert: alt active", NULL));
}
} else {
feedback_alert_button.set_text (_("Feedback"));
feedback_alert_button.reset_fixed_colors ();
feedback_alert_button.set_active (false);
}
}
void
ARDOUR_UI::error_blink (bool onoff)
{
switch (_log_not_acknowledged) {
case LogLevelError:
// blink
if (onoff) {
error_alert_button.set_custom_led_color(0xff0000ff); // bright red
} else {
error_alert_button.set_custom_led_color(0x880000ff); // dark red
}
break;
case LogLevelWarning:
error_alert_button.set_custom_led_color(0xccaa00ff); // yellow
break;
case LogLevelInfo:
error_alert_button.set_custom_led_color(0x88cc00ff); // lime green
break;
default:
error_alert_button.set_custom_led_color(0x333333ff); // gray
break;
}
}
void
ARDOUR_UI::set_punch_sensitivity ()
{
bool can_punch = _session && _session->punch_is_possible() && _session->locations()->auto_punch_location ();
ActionManager::get_action ("Transport", "TogglePunchIn")->set_sensitive (can_punch);
ActionManager::get_action ("Transport", "TogglePunchOut")->set_sensitive (can_punch);
}
void
ARDOUR_UI::editor_realized ()
{
std::function<void (string)> pc (std::bind (&ARDOUR_UI::parameter_changed, this, _1));
Config->map_parameters (pc);
UIConfiguration::instance().reset_dpi ();
}
void
ARDOUR_UI::maximise_editing_space ()
{
if (editor) {
editor->maximise_editing_space ();
}
}
void
ARDOUR_UI::restore_editing_space ()
{
if (editor) {
editor->restore_editing_space ();
}
}
void
ARDOUR_UI::show_ui_prefs ()
{
if (rc_option_editor) {
show_tabbable (rc_option_editor);
rc_option_editor->set_current_page (_("Appearance"));
}
}
void
ARDOUR_UI::show_mixer_prefs ()
{
if (rc_option_editor) {
show_tabbable (rc_option_editor);
rc_option_editor->set_current_page (_("Signal Flow"));
}
}
void
ARDOUR_UI::show_plugin_prefs ()
{
if (rc_option_editor) {
show_tabbable (rc_option_editor);
rc_option_editor->set_current_page (_("Plugins"));
}
}
bool
ARDOUR_UI::click_button_clicked (GdkEventButton* ev)
{
if (ev->button != 3) {
/* this handler is just for button-3 clicks */
return false;
}
show_tabbable (rc_option_editor);
rc_option_editor->set_current_page (_("Metronome"));
return true;
}
void
ARDOUR_UI::toggle_follow_edits ()
{
RefPtr<ToggleAction> tact = ActionManager::get_toggle_action (X_("Transport"), X_("ToggleFollowEdits"));
UIConfiguration::instance().set_follow_edits (tact->get_active ());
}
void
ARDOUR_UI::update_title ()
{
stringstream snap_label;
snap_label << X_("<span weight=\"ultralight\">")
<< _("Name")
<< X_("</span>: ");
if (_session) {
bool dirty = _session->dirty();
string session_name;
if (_session->snap_name() != _session->name()) {
session_name = _session->snap_name();
} else {
session_name = _session->name();
}
if (dirty) {
session_name = "*" + session_name;
}
WindowTitle title (session_name);
title += Glib::get_application_name();
_main_window.set_title (title.get_string());
snap_label << Gtkmm2ext::markup_escape_text (session_name);
} else {
WindowTitle title (Glib::get_application_name());
_main_window.set_title (title.get_string());
snap_label << "-";
}
snapshot_name_label.set_markup (snap_label.str());
}
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