196 lines
4.1 KiB
C++
196 lines
4.1 KiB
C++
/*
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* Copyright 2014 (c) Anna Schumaker.
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*
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* See the example at:
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* https://git.gnome.org/browse/gtkmm-documentation/tree/examples/others/treemodelcustom
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*/
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extern "C" {
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#include <core/audio.h>
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#include <core/string.h>
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}
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#include <gui/queue/model.h>
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#include <gui/ocarina.h>
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#include <stdlib.h>
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QueueModel::QueueModel(queue *q)
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: Glib::ObjectBase( typeid(QueueModel) ),
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Glib::Object(), _stamp(1), _queue(q)
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{
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}
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void QueueModel::increment_stamp()
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{
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if (++_stamp == 0)
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++_stamp;
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}
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bool QueueModel::check_iter_validity(const Gtk::TreeIter &iter) const
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{
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return _stamp == iter.get_stamp();
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}
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void QueueModel::on_row_inserted(unsigned int row)
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{
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increment_stamp();
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row_inserted(Gtk::TreePath(1, row), Gtk::TreeIter());
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}
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void QueueModel::on_row_deleted(unsigned int row)
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{
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increment_stamp();
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row_deleted(Gtk::TreePath(1, row));
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}
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void QueueModel::on_cleared(unsigned int n)
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{
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increment_stamp();
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for (unsigned int i = 1; i <= n; i++)
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row_deleted(Gtk::TreePath(1, n - i));
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}
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void QueueModel::on_row_changed(unsigned int row)
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{
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increment_stamp();
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row_changed(Gtk::TreePath(1, row), Gtk::TreeIter());
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}
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void QueueModel::on_path_selected(const Gtk::TreePath &path)
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{
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audio_load(track_get(path_to_id(path)));
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queue_selected(_queue, path[0]);
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gst :: play();
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}
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unsigned int QueueModel :: iter_to_id(const Gtk::TreeIter &iter) const
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{
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return GPOINTER_TO_UINT(iter.gobj()->user_data);
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}
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unsigned int QueueModel::path_to_id(const Gtk::TreePath &path) const
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{
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return queue_at(_queue, path[0])->tr_dbe.dbe_index;
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}
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Gtk::TreeModelFlags QueueModel::get_flags_vfunc() const
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{
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return Gtk::TREE_MODEL_LIST_ONLY;
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}
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int QueueModel::get_n_columns_vfunc() const
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{
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return 10;
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}
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GType QueueModel::get_column_type_vfunc(int index) const
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{
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if (index > 9)
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return 0;
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if (index == 0 || index == 5 || index == 7)
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return G_TYPE_UINT;
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return G_TYPE_STRING;
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}
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template <class T>
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static void set_val(const T &t, Glib::ValueBase &value)
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{
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Glib::Value<T> specific;
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specific.init(Glib::Value<T>::value_type());
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specific.set(t);
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value.init(specific.gobj());
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}
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void QueueModel::get_value_vfunc(const Gtk::TreeIter &iter, int column,
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Glib::ValueBase &value) const
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{
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struct track *track;
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std::string field;
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gchar *str;
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if (!check_iter_validity(iter) ||
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column > get_n_columns_vfunc())
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return;
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track = queue_at(_queue, iter_to_id(iter));
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switch (column) {
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case 0:
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return set_val(track->tr_track, value);
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case 1:
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field = track->tr_title;
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return set_val(field, value);
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case 2:
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str = string_sec2str(track->tr_length);
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set_val(Glib::ustring(str), value);
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g_free(str);
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return;
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case 3:
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field = track->tr_artist->ar_name;
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return set_val(field, value);
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case 4:
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field = track->tr_album->al_name;
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return set_val(field, value);
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case 5:
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return set_val(track->tr_album->al_year, value);
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case 6:
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field = track->tr_genre->ge_name;
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return set_val(field, value);
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case 7:
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return set_val(track->tr_count, value);
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case 8:
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str = track_last_play(track);
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set_val(Glib::Markup::escape_text(str), value);
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g_free(str);
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return;
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case 9:
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str = track_path(track);
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set_val(Glib::Markup::escape_text(str), value);
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g_free(str);
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return;
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}
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}
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bool QueueModel::iter_next_vfunc(const Gtk::TreeIter &iter,
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Gtk::TreeIter &next) const
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{
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next = Gtk::TreeIter();
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if (check_iter_validity(iter))
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return iter_nth_root_child_vfunc(iter_to_id(iter) + 1, next);
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return false;
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}
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int QueueModel::iter_n_root_children_vfunc() const
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{
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return queue_size(_queue);
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}
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bool QueueModel::iter_nth_root_child_vfunc(int n, Gtk::TreeIter &iter) const
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{
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iter = Gtk::TreeIter();
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if (n >= (int)queue_size(_queue))
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return false;
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iter.set_stamp(_stamp);
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iter.gobj()->user_data = GUINT_TO_POINTER(n);
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return true;
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}
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Gtk::TreeModel::Path QueueModel::get_path_vfunc(const Gtk::TreeIter &iter) const
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{
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Gtk::TreeModel::Path path;
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if (check_iter_validity(iter))
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path.push_back(iter_to_id(iter));
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return path;
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}
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bool QueueModel::get_iter_vfunc(const Gtk::TreePath &path,
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Gtk::TreeIter &iter) const
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{
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iter = Gtk::TreeIter();
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if (path.size() == 1)
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return iter_nth_root_child_vfunc(path[0], iter);
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return false;
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}
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