mirror of
https://github.com/Ardour/ardour.git
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154 lines
4 KiB
C++
154 lines
4 KiB
C++
/*
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* Copyright (C) 2024 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 <cassert>
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#include <gtkmm/widget.h>
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#include "pbd/compose.h"
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#include "gtkmm2ext/gui_thread.h"
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#include "gtkmm2ext/utils.h"
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#include "widgets/frame.h"
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#include "ardour/region.h"
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#include "ardour/region_fx_plugin.h"
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#include "plugin_ui.h"
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#include "region_fx_properties_box.h"
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#include "timers.h"
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#include "ui_config.h"
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#include "pbd/i18n.h"
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using namespace Gtk;
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using namespace ARDOUR;
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using namespace ArdourWidgets;
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RegionFxPropertiesBox::RegionFxPropertiesBox (std::shared_ptr<ARDOUR::Region> r)
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: _region (r)
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, _idle_redisplay_plugins_id (-1)
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{
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_scroller.set_policy (Gtk::POLICY_AUTOMATIC, Gtk::POLICY_NEVER);
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_scroller.set_shadow_type(Gtk::SHADOW_NONE);
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_scroller.set_border_width(0);
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_scroller.add (_box);
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_box.set_spacing (4);
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pack_start (_scroller, true, true);
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show_all();
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/* remove shadow from scrollWindow's viewport */
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Gtk::Viewport* viewport = (Gtk::Viewport*) _scroller.get_child();
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viewport->set_shadow_type(Gtk::SHADOW_NONE);
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viewport->set_border_width(0);
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_region->RegionFxChanged.connect (_region_connection, invalidator (*this), std::bind (&RegionFxPropertiesBox::idle_redisplay_plugins, this), gui_context ());
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redisplay_plugins ();
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}
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RegionFxPropertiesBox::~RegionFxPropertiesBox ()
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{
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drop_plugin_uis ();
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if (_idle_redisplay_plugins_id >= 0) {
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g_source_destroy (g_main_context_find_source_by_id (NULL, _idle_redisplay_plugins_id));
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_idle_redisplay_plugins_id = -1;
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}
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}
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void
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RegionFxPropertiesBox::drop_plugin_uis ()
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{
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std::list<Gtk::Widget*> children = _box.get_children ();
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for (auto const& child : children) {
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child->hide ();
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_box.remove (*child);
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delete child;
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}
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for (auto const& ui : _proc_uis) {
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ui->stop_updating (0);
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delete ui;
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}
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_processor_connections.drop_connections ();
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_proc_uis.clear ();
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}
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void
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RegionFxPropertiesBox::add_fx_to_display (std::weak_ptr<RegionFxPlugin> wfx)
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{
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std::shared_ptr<RegionFxPlugin> fx (wfx.lock ());
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if (!fx || !fx->plugin ()) {
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return;
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}
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GenericPluginUI* plugin_ui = new GenericPluginUI (fx, true, true);
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if (plugin_ui->empty ()) {
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delete plugin_ui;
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return;
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}
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_proc_uis.push_back (plugin_ui);
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ArdourWidgets::Frame* frame = new ArdourWidgets::Frame ();
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frame->set_label (fx->name ());
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frame->add (*plugin_ui);
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frame->set_padding (0);
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frame->set_edge_color (0x000000ff); // black (0);
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_box.pack_start (*frame, false, false);
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plugin_ui->show ();
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}
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int
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RegionFxPropertiesBox::_idle_redisplay_processors (gpointer arg)
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{
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static_cast<RegionFxPropertiesBox*>(arg)->redisplay_plugins ();
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return 0;
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}
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void
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RegionFxPropertiesBox::idle_redisplay_plugins ()
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{
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if (_idle_redisplay_plugins_id < 0) {
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_idle_redisplay_plugins_id = g_idle_add_full (G_PRIORITY_HIGH_IDLE + 10, _idle_redisplay_processors, this, NULL);
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}
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}
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void
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RegionFxPropertiesBox::redisplay_plugins ()
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{
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drop_plugin_uis ();
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_region->foreach_plugin (sigc::mem_fun (*this, &RegionFxPropertiesBox::add_fx_to_display));
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if (_proc_uis.empty ()) {
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_scroller.hide ();
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} else {
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float ui_scale = std::max<float> (1.f, UIConfiguration::instance().get_ui_scale());
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int h = 100 * ui_scale;
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for (auto const& ui : _proc_uis) {
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h = std::max<int> (h, ui->get_preferred_height () + /* frame label */ 30 * ui_scale);
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}
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h = std::min<int> (h, 300 * ui_scale);
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_box.set_size_request (-1, h);
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_scroller.show_all ();
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}
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_idle_redisplay_plugins_id = -1;
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}
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