diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gui/PatchCanvas.cpp | 18 | ||||
| -rw-r--r-- | src/gui/PatchCanvas.hpp | 4 |
2 files changed, 17 insertions, 5 deletions
diff --git a/src/gui/PatchCanvas.cpp b/src/gui/PatchCanvas.cpp index 1b6defc6..ca63df6f 100644 --- a/src/gui/PatchCanvas.cpp +++ b/src/gui/PatchCanvas.cpp @@ -183,8 +183,10 @@ PatchCanvas::build_menus() * @a plugin class into @a menu */ size_t -PatchCanvas::build_plugin_class_menu(Gtk::Menu* menu, - SLV2PluginClass plugin_class, SLV2PluginClasses classes, const LV2Children& children) +PatchCanvas::build_plugin_class_menu( + Gtk::Menu* menu, + SLV2PluginClass plugin_class, SLV2PluginClasses classes, const LV2Children& children, + std::set<const char*>& ancestors) { size_t num_items = 0; SLV2Value class_uri = slv2_plugin_class_get_uri(plugin_class); @@ -197,10 +199,16 @@ PatchCanvas::build_plugin_class_menu(Gtk::Menu* menu, return 0; // Add submenus + ancestors.insert(class_uri_str); for (LV2Children::const_iterator i = kids.first; i != kids.second; ++i) { SLV2PluginClass c = i->second; const char* sub_label_str = slv2_value_as_string(slv2_plugin_class_get_label(c)); const char* sub_uri_str = slv2_value_as_string(slv2_plugin_class_get_uri(c)); + if (ancestors.find(sub_uri_str) != ancestors.end()) { + LOG(warn) << "Infinite LV2 class recursion: " << class_uri_str + << " <: " << sub_uri_str << endl; + return 0; + } Gtk::Menu_Helpers::MenuElem menu_elem = Gtk::Menu_Helpers::MenuElem(sub_label_str); menu->items().push_back(menu_elem); @@ -209,7 +217,7 @@ PatchCanvas::build_plugin_class_menu(Gtk::Menu* menu, Gtk::Menu* submenu = Gtk::manage(new Gtk::Menu()); menu_item->set_submenu(*submenu); - size_t num_child_items = build_plugin_class_menu(submenu, c, classes, children); + size_t num_child_items = build_plugin_class_menu(submenu, c, classes, children, ancestors); _class_menus.insert(make_pair(sub_uri_str, MenuRecord(menu_item, submenu))); if (num_child_items == 0) @@ -217,6 +225,7 @@ PatchCanvas::build_plugin_class_menu(Gtk::Menu* menu, ++num_items; } + ancestors.erase(class_uri_str); return num_items; } @@ -248,7 +257,8 @@ PatchCanvas::build_plugin_menu() p = slv2_plugin_class_get_uri(lv2_plugin); children.insert(make_pair(slv2_value_as_string(p), c)); } - build_plugin_class_menu(_plugin_menu, lv2_plugin, classes, children); + std::set<const char*> ancestors; + build_plugin_class_menu(_plugin_menu, lv2_plugin, classes, children, ancestors); } #endif diff --git a/src/gui/PatchCanvas.hpp b/src/gui/PatchCanvas.hpp index ae99c1c1..aa27c9e1 100644 --- a/src/gui/PatchCanvas.hpp +++ b/src/gui/PatchCanvas.hpp @@ -20,6 +20,7 @@ #include <string> #include <map> +#include <set> #include <boost/shared_ptr.hpp> #include "ingen-config.h" #include "flowcanvas/Canvas.hpp" @@ -116,7 +117,8 @@ private: Gtk::Menu* menu, SLV2PluginClass plugin_class, SLV2PluginClasses classes, - const LV2Children& children); + const LV2Children& children, + std::set<const char*>& ancestors); #endif GraphObject::Properties get_initial_data(); |