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Diffstat (limited to 'src/libs/gui/BreadCrumb.h')
-rw-r--r-- | src/libs/gui/BreadCrumb.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/libs/gui/BreadCrumb.h b/src/libs/gui/BreadCrumb.h new file mode 100644 index 00000000..96464b50 --- /dev/null +++ b/src/libs/gui/BreadCrumb.h @@ -0,0 +1,81 @@ +/* This file is part of Ingen. + * Copyright (C) 2007 Dave Robillard <http://drobilla.net> + * + * Ingen 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. + * + * Ingen 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef BREADCRUMB_H +#define BREADCRUMB_H + +#include <gtkmm.h> +#include <raul/Path.h> +#include <raul/SharedPtr.h> +#include "PatchView.h" + +namespace Ingen { +namespace GUI { + + +/** Breadcrumb button in a PatchWindow. + * + * Each Breadcrumb stores a reference to a PatchView for quick switching. + * So, the amount of allocated PatchViews at a given time is equal to the + * number of visible breadcrumbs (which is the perfect cache for GUI + * responsiveness balanced with mem consumption). + * + * \ingroup GUI + */ +class BreadCrumb : public Gtk::ToggleButton +{ +public: + BreadCrumb(const Path& path, SharedPtr<PatchView> view = SharedPtr<PatchView>()) + : _path(path) + , _view(view) + { + assert( !view || view->patch()->path() == path); + set_border_width(0); + set_path(path); + show_all(); + } + + void set_view(SharedPtr<PatchView> view) { + assert( !view || view->patch()->path() == _path); + _view = view; + } + + const Path& path() const { return _path; } + SharedPtr<PatchView> view() const { return _view; } + + void set_path(const Path& path) + { + remove(); + const string text = (path == "/") ? "/" : path.name(); + Gtk::Label* lab = manage(new Gtk::Label(text)); + lab->set_padding(0, 0); + lab->show(); + add(*lab); + + if (_view && _view->patch()->path() != path) + _view.reset(); + } + +private: + Path _path; + SharedPtr<PatchView> _view; +}; + +} // namespace GUI +} // namespace Ingen + +#endif // BREADCRUMB_H |