ardour/livetrax
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Dynamically create clip-picker file tree, lazy load subfolders

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This commit is contained in:
Robin Gareus 2021-12-17 23:40:12 +01:00
parent c4de76c835
commit a908218676
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
2 changed files with 99 additions and 12 deletions
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105
gtk2_ardour/trigger_clip_picker.cc
View File

@ -120,6 +120,8 @@ TriggerClipPicker::TriggerClipPicker ()
_view.get_selection ()->signal_changed ().connect (sigc::mem_fun (*this, &TriggerClipPicker::row_selected));
_view.signal_row_activated ().connect (sigc::mem_fun (*this, &TriggerClipPicker::row_activated));
_view.signal_test_expand_row ().connect (sigc::mem_fun (*this, &TriggerClipPicker::test_expand));
_view.signal_row_collapsed ().connect (sigc::mem_fun (*this, &TriggerClipPicker::row_collapsed));
_view.signal_drag_data_get ().connect (sigc::mem_fun (*this, &TriggerClipPicker::drag_data_get));
/* show off */
@ -157,7 +159,7 @@ void
TriggerClipPicker::maybe_add_dir (std::string const& dir)
{
if (Glib::file_test (dir, Glib::FILE_TEST_IS_DIR | Glib::FILE_TEST_EXISTS)) {
_dir.AddMenuElem (Gtkmm2ext::MenuElemNoMnemonic (Glib::path_get_basename (dir), sigc::bind (sigc::mem_fun (*this, &TriggerClipPicker::list_dir), dir)));
_dir.AddMenuElem (Gtkmm2ext::MenuElemNoMnemonic (Glib::path_get_basename (dir), sigc::bind (sigc::mem_fun (*this, &TriggerClipPicker::list_dir), dir, (Gtk::TreeNodeChildren*)0)));
}
}
@ -184,6 +186,38 @@ TriggerClipPicker::row_activated (TreeModel::Path const& p, TreeViewColumn*)
}
}
bool
TriggerClipPicker::test_expand (TreeModel::iterator const& i, Gtk::TreeModel::Path const&)
{
TreeModel::Row row = *i;
if (row[_columns.read]) {
/* already expanded */
return false; /* OK */
}
row[_columns.read] = true;
/* remove stub */
_model->erase (row.children ().begin ());
list_dir (row[_columns.path], &row.children ());
return row.children ().size () == 0;
}
void
TriggerClipPicker::row_collapsed (TreeModel::iterator const& i, Gtk::TreeModel::Path const&)
{
TreeModel::Row row = *i;
row[_columns.read] = false;
Gtk::TreeIter ti;
while ((ti = row.children ().begin ()) != row.children ().end ()) {
_model->erase (ti);
}
/* add stub child */
row = *(_model->append (row.children ()));
row[_columns.read] = false;
}
void
TriggerClipPicker::drag_data_get (Glib::RefPtr<Gdk::DragContext> const&, SelectionData& data, guint, guint time)
{
@ -202,7 +236,7 @@ TriggerClipPicker::drag_data_get (Glib::RefPtr<Gdk::DragContext> const&, Selecti
}
static bool
audio_midi_suffix (const std::string& str, void* /*arg*/)
audio_midi_suffix (const std::string& str)
{
if (AudioFileSource::safe_audio_file_extension (str)) {
return true;
@ -232,17 +266,66 @@ TriggerClipPicker::open_dir ()
}
void
TriggerClipPicker::list_dir (std::string const& dir)
TriggerClipPicker::list_dir (std::string const& path, Gtk::TreeNodeChildren const* pc)
{
std::vector<std::string> fl;
find_files_matching_filter (fl, dir, audio_midi_suffix, 0, false, true, false);
_dir.set_active (Glib::path_get_basename (dir));
if (!pc) {
_model->clear ();
_dir.set_active (Glib::path_get_basename (path));
}
_model->clear ();
for (auto& f : fl) {
TreeModel::Row row = *(_model->append ());
row[_columns.name] = Glib::path_get_basename (f);
row[_columns.path] = f;
if (!Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
return;
}
std::vector<std::string> dirs;
std::vector<std::string> files;
try {
Glib::Dir dir (path);
for (Glib::DirIterator i = dir.begin (); i != dir.end (); ++i) {
std::string fullpath = Glib::build_filename (path, *i);
std::string basename = *i;
if (Glib::file_test (fullpath, Glib::FILE_TEST_IS_DIR)) {
dirs.push_back (*i);
continue;
}
if (audio_midi_suffix (fullpath)) {
files.push_back (*i);
}
}
} catch (Glib::FileError const& err) {
}
std::sort (dirs.begin (), dirs.end ());
std::sort (files.begin (), files.end ());
for (auto& f : dirs) {
TreeModel::Row row;
if (pc) {
row = *(_model->append (*pc));
} else {
row = *(_model->append ());
}
row[_columns.name] = f;
row[_columns.path] = Glib::build_filename (path, f);
row[_columns.read] = false;
/* add stub child */
row = *(_model->append (row.children ()));
row[_columns.read] = false;
}
for (auto& f : files) {
TreeModel::Row row;
if (pc) {
row = *(_model->append (*pc));
} else {
row = *(_model->append ());
}
row[_columns.name] = f;
row[_columns.path] = Glib::build_filename (path, f);
row[_columns.read] = false;
}
}

6
gtk2_ardour/trigger_clip_picker.h
View File

@ -43,10 +43,12 @@ public:
void set_session (ARDOUR::Session*);
private:
void list_dir (std::string const&);
void list_dir (std::string const&, Gtk::TreeNodeChildren const* pc = NULL);
void open_dir ();
void row_selected ();
void row_activated (Gtk::TreeModel::Path const&, Gtk::TreeViewColumn*);
bool test_expand (Gtk::TreeModel::iterator const&, Gtk::TreeModel::Path const&);
void row_collapsed (Gtk::TreeModel::iterator const&, Gtk::TreeModel::Path const&);
void drag_data_get (Glib::RefPtr<Gdk::DragContext> const&, Gtk::SelectionData&, guint, guint);
void maybe_add_dir (std::string const&);
void audition_selected ();
@ -65,9 +67,11 @@ private:
{
add (name);
add (path);
add (read);
}
Gtk::TreeModelColumn<std::string> name;
Gtk::TreeModelColumn<std::string> path;
Gtk::TreeModelColumn<bool> read;
};
Columns _columns;