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authorDavid Robillard <d@drobilla.net>2006-09-10 20:37:52 +0000
committerDavid Robillard <d@drobilla.net>2006-09-10 20:37:52 +0000
commit22bf43352ddfc48452d776f10ad4d12161255049 (patch)
tree5409aa3b7b75db124d4b72bef5b1e256a34904af /src/progs/ingenuity/BreadCrumbBox.cpp
parente772196c07ff58022beaabf5e494be3441d1ba4a (diff)
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Added missing files.
git-svn-id: http://svn.drobilla.net/lad/ingen@127 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/progs/ingenuity/BreadCrumbBox.cpp')
-rw-r--r--src/progs/ingenuity/BreadCrumbBox.cpp106
1 files changed, 106 insertions, 0 deletions
diff --git a/src/progs/ingenuity/BreadCrumbBox.cpp b/src/progs/ingenuity/BreadCrumbBox.cpp
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+++ b/src/progs/ingenuity/BreadCrumbBox.cpp
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+/* This file is part of Ingen. Copyright (C) 2006 Dave Robillard.
+ *
+ * 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
+ */
+
+#include "BreadCrumbBox.h"
+#include "BreadCrumb.h"
+namespace Ingenuity {
+
+
+BreadCrumbBox::BreadCrumbBox()
+: Gtk::HBox()
+, _active_path("/")
+, _full_path("/")
+, _enable_signal(true)
+{
+}
+
+
+/** Destroys current breadcrumbs and rebuilds from scratch.
+ *
+ * (Needs to be called when a patch is cleared to eliminate children crumbs)
+ */
+void
+BreadCrumbBox::build(Path path)
+{
+ bool old_enable_signal = _enable_signal;
+ _enable_signal = false;
+
+ // Moving to a parent path, just switch the active button
+ if (path.length() < _full_path.length() && _full_path.substr(0, path.length()) == path) {
+
+ for (std::list<BreadCrumb*>::iterator i = _breadcrumbs.begin(); i != _breadcrumbs.end(); ++i)
+ (*i)->set_active( ((*i)->path() == path) );
+
+ _active_path = path;
+ _enable_signal = old_enable_signal;
+ return;
+ }
+
+ // Otherwise rebuild from scratch
+ _full_path = path;
+ _active_path = path;
+
+ // Empty existing breadcrumbs
+ for (std::list<BreadCrumb*>::iterator i = _breadcrumbs.begin(); i != _breadcrumbs.end(); ++i)
+ remove(**i);
+ _breadcrumbs.clear();
+
+ // Add root
+ BreadCrumb* but = manage(new BreadCrumb("/"));
+ but->signal_toggled().connect(sigc::bind(sigc::mem_fun(
+ this, &BreadCrumbBox::breadcrumb_clicked), but));
+ pack_start(*but, false, false, 1);
+ _breadcrumbs.push_front(but);
+ but->set_active(but->path() == _active_path);
+
+ // Add the others
+ while (path != "/") {
+ BreadCrumb* but = manage(new BreadCrumb(path));
+ but->signal_toggled().connect(sigc::bind(sigc::mem_fun(
+ this, &BreadCrumbBox::breadcrumb_clicked), but));
+ pack_start(*but, false, false, 1);
+ _breadcrumbs.push_front(but);
+ but->set_active(but->path() == _active_path);
+ path = path.parent();
+ }
+
+ show_all_children();
+
+ _enable_signal = old_enable_signal;
+}
+
+
+void
+BreadCrumbBox::breadcrumb_clicked(BreadCrumb* crumb)
+{
+ if (_enable_signal) {
+ _enable_signal = false;
+
+ if (!crumb->get_active()) {
+ assert(_active_path == crumb->path());
+ // Tried to turn off the current active button, bad user!
+ crumb->set_active(true);
+ } else {
+ signal_patch_selected.emit(crumb->path());
+ if (crumb->path() != _active_path)
+ crumb->set_active(false);
+ }
+ _enable_signal = true;
+ }
+}
+
+} // namespace Ingenuity
+