164 lines
4.0 KiB
C++
164 lines
4.0 KiB
C++
/*
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* Copyright (C) 2020 Robin Gareus <robin@gareus.org>
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*
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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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*
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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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "recorder_group_tabs.h"
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#include "recorder_ui.h"
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#include "track_record_axis.h"
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#include "ui_config.h"
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#ifdef WAF_BUILD
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#include "gtk2ardour-config.h"
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#endif
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using namespace ARDOUR;
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RecorderGroupTabs::RecorderGroupTabs (RecorderUI* parent)
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: _recorder (parent)
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{
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}
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double
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RecorderGroupTabs::primary_coordinate (double, double y) const
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{
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return y;
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}
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double
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RecorderGroupTabs::extent () const
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{
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return get_height ();
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}
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std::list<GroupTabs::Tab>
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RecorderGroupTabs::compute_tabs () const
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{
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std::list<Tab> tabs;
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Tab tab;
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tab.from = 0;
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tab.group = 0;
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int32_t y = 0;
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std::list<TrackRecordAxis*> recorders = _recorder->visible_recorders ();
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for (std::list<TrackRecordAxis*>::const_iterator i = recorders.begin (); i != recorders.end (); ++i) {
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if ((*i)->route ()->presentation_info ().hidden ()) { // marked_for_display ()
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continue;
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}
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RouteGroup* g = (*i)->route_group ();
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if (g != tab.group) {
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if (tab.group) {
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tab.to = y;
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tabs.push_back (tab);
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}
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tab.from = y;
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tab.group = g;
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if (g) {
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tab.color = group_color (g);
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}
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}
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y += (*i)->get_height ();
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}
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if (tab.group) {
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tab.to = y;
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tabs.push_back (tab);
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}
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return tabs;
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}
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RouteList
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RecorderGroupTabs::routes_for_tab (Tab const* t) const
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{
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RouteList routes;
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int32_t y = 0;
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std::list<TrackRecordAxis*> recorders = _recorder->visible_recorders ();
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for (std::list<TrackRecordAxis*>::const_iterator i = recorders.begin (); i != recorders.end (); ++i) {
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if (y >= t->to) {
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/* tab finishes before this track starts */
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break;
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}
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double const h = y + (*i)->get_height () / 2;
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if (t->from < h && t->to > h) {
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routes.push_back ((*i)->route ());
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}
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y += (*i)->get_height ();
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}
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return routes;
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}
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void
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RecorderGroupTabs::draw_tab (cairo_t* cr, Tab const& tab)
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{
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double const arc_radius = get_width ();
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double r, g, b, a;
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if (tab.group && tab.group->is_active ()) {
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Gtkmm2ext::color_to_rgba (tab.color, r, g, b, a);
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} else {
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Gtkmm2ext::color_to_rgba (UIConfiguration::instance ().color ("inactive group tab"), r, g, b, a);
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}
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a = 1.0;
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cairo_set_source_rgba (cr, r, g, b, a);
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cairo_move_to (cr, 0, tab.from + arc_radius);
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cairo_arc (cr, get_width (), tab.from + arc_radius, arc_radius, M_PI, 3 * M_PI / 2);
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cairo_line_to (cr, get_width (), tab.to);
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cairo_arc (cr, get_width (), tab.to - arc_radius, arc_radius, M_PI / 2, M_PI);
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cairo_line_to (cr, 0, tab.from + arc_radius);
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cairo_fill (cr);
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if (tab.group && (tab.to - tab.from) > arc_radius) {
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int text_width, text_height;
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Glib::RefPtr<Pango::Layout> layout;
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layout = Pango::Layout::create (get_pango_context ());
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layout->set_ellipsize (Pango::ELLIPSIZE_MIDDLE);
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layout->set_text (tab.group->name ());
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layout->set_width ((tab.to - tab.from - arc_radius) * PANGO_SCALE);
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layout->get_pixel_size (text_width, text_height);
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cairo_move_to (cr, (get_width () - text_height) * .5, (text_width + tab.to + tab.from) * .5);
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Gtkmm2ext::Color c = Gtkmm2ext::contrasting_text_color (Gtkmm2ext::rgba_to_color (r, g, b, a));
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Gtkmm2ext::color_to_rgba (c, r, g, b, a);
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cairo_set_source_rgb (cr, r, g, b);
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cairo_save (cr);
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cairo_rotate (cr, M_PI * -.5);
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pango_cairo_show_layout (cr, layout->gobj ());
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cairo_restore (cr);
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}
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}
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RouteList
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RecorderGroupTabs::selected_routes () const
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{
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RouteList rl;
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return rl;
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}
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