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authorDavid Robillard <d@drobilla.net>2011-05-20 03:27:08 +0000
committerDavid Robillard <d@drobilla.net>2011-05-20 03:27:08 +0000
commit4999a7199470ee751d710cfca2a39b4fdc561a82 (patch)
tree9c3d83689ec89037c3ba22f3f5940857513ae189 /src/gui/WidgetFactory.cpp
parentb5bbad8f77e65f8fc8655287f0d2004ebee7c787 (diff)
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Remove dependency on glade and glademm (migrate to GtkBuilder).
git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@3295 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/gui/WidgetFactory.cpp')
-rw-r--r--src/gui/WidgetFactory.cpp84
1 files changed, 84 insertions, 0 deletions
diff --git a/src/gui/WidgetFactory.cpp b/src/gui/WidgetFactory.cpp
new file mode 100644
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+++ b/src/gui/WidgetFactory.cpp
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+/* This file is part of Ingen.
+ * Copyright 2007-2011 David 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
+ */
+
+#include "WidgetFactory.hpp"
+#include <fstream>
+#include "raul/log.hpp"
+#include "ingen-config.h"
+#include "shared/runtime_paths.hpp"
+
+using namespace std;
+using namespace Raul;
+
+namespace Ingen {
+namespace GUI {
+
+Glib::ustring WidgetFactory::ui_filename = "";
+
+inline static bool
+is_readable(const std::string& filename)
+{
+ std::ifstream fs(filename.c_str());
+ const bool fail = fs.fail();
+ fs.close();
+ return !fail;
+}
+
+void
+WidgetFactory::find_ui_file()
+{
+ // Try file in bundle (directory where executable resides)
+ ui_filename = Shared::bundle_file_path("ingen_gui.ui");
+ if (is_readable(ui_filename))
+ return;
+
+ // Try ENGINE_UI_PATH from the environment
+ const char* const env_path = getenv("INGEN_UI_PATH");
+ if (env_path && is_readable(env_path)) {
+ ui_filename = env_path;
+ return;
+ }
+
+ // Try the default system installed path
+ ui_filename = Shared::data_file_path("ingen_gui.ui");
+ if (is_readable(ui_filename))
+ return;
+
+ error << "[WidgetFactory] Unable to find ingen_gui.ui in "
+ << INGEN_DATA_DIR << endl;
+ throw std::runtime_error("Unable to find UI file");
+}
+
+Glib::RefPtr<Gtk::Builder>
+WidgetFactory::create(const string& toplevel_widget)
+{
+ if (ui_filename.empty())
+ find_ui_file();
+
+ try {
+ if (toplevel_widget.empty())
+ return Gtk::Builder::create_from_file(ui_filename);
+ else
+ return Gtk::Builder::create_from_file(ui_filename, toplevel_widget.c_str());
+ } catch (const Gtk::BuilderError& ex) {
+ error << "[WidgetFactory] " << ex.what() << endl;
+ throw ex;
+ }
+}
+
+} // namespace GUI
+} // namespace Ingen