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author | Yannick Guesnet <Yannick.Guesnet@univ-rouen.fr> | 2010-12-22 22:54:40 +0100 |
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committer | Murray Cumming <murrayc@murrayc.com> | 2010-12-22 22:54:40 +0100 |
commit | f2a32e12c758e9d7dc1fbdb01a3e4c35e465f6b3 (patch) | |
tree | 992179a0739d9dc2cc7666d3f652d88e1f091ae1 /gio/src/application.ccg | |
parent | 58738c58ca6f190f33ef6d0953c02746b5f59381 (diff) | |
download | glibmm-f2a32e12c758e9d7dc1fbdb01a3e4c35e465f6b3.tar.gz |
giomm: Application: Add the open signal.
* gio/src/application.[hg|ccg]: Add signal_open(), by hand-coding instead of
using _WRAP_SIGNAL(), because we need to change the number of parameters.
Diffstat (limited to 'gio/src/application.ccg')
-rw-r--r-- | gio/src/application.ccg | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/gio/src/application.ccg b/gio/src/application.ccg index 196738c8..3cecd498 100644 --- a/gio/src/application.ccg +++ b/gio/src/application.ccg @@ -21,9 +21,158 @@ #include <giomm/file.h> #include <giomm/actiongroup.h> +namespace +{ + +static void Application_signal_open_callback(GApplication* self, GFile** files, + gint n_files, const gchar* hint, void* data) +{ + typedef sigc::slot< void, const Gio::Application::type_vec_files&, const Glib::ustring& > SlotType; + + Gio::Application::type_vec_files vec_files(n_files); + for(int i = 0; i < n_files; ++i) + { + vec_files[i] = Glib::wrap(files[i], true); + } + + const Glib::ustring hint_str = (hint ? hint : Glib::ustring()); + + // Do not try to call a signal on a disassociated wrapper. + if(Glib::ObjectBase::_get_current_wrapper((GObject*) self)) + { + try + { + if(sigc::slot_base *const slot = Glib::SignalProxyNormal::data_to_slot(data)) { + (*static_cast<SlotType*>(slot))(vec_files, hint_str); + return; + } + } + catch(...) + { + Glib::exception_handlers_invoke(); + } + } + + return; +} + +static void Application_signal_open_notify_callback(GApplication* self, GFile** files, + gint n_files, const gchar *hint, void* data) +{ + using namespace Gio; + typedef sigc::slot< void, const Application::type_vec_files&, const Glib::ustring& > SlotType; + + Application::type_vec_files vec_files(n_files); + for (int i = 0; i < n_files; i++) + { + vec_files[i] = Glib::wrap(files[i], true); + } + + const Glib::ustring hint_str = (hint ? hint : Glib::ustring()); + + // Do not try to call a signal on a disassociated wrapper. + if(Glib::ObjectBase::_get_current_wrapper((GObject*) self)) + { + try + { + if(sigc::slot_base *const slot = Glib::SignalProxyNormal::data_to_slot(data)) + { + (*static_cast<SlotType*>(slot))(vec_files, hint_str); + return; + } + } + catch(...) + { + Glib::exception_handlers_invoke(); + } + } + + return; +} + +static const Glib::SignalProxyInfo Application_signal_open_info = +{ + "open", + (GCallback) &Application_signal_open_callback, + (GCallback) &Application_signal_open_notify_callback +}; + +} + namespace Gio { +void Application_Class::open_callback(GApplication* self, GFile** files, + gint n_files, const gchar *hint) +{ + Glib::ObjectBase *const obj_base = static_cast<Glib::ObjectBase*>( + Glib::ObjectBase::_get_current_wrapper((GObject*)self)); + + // Non-gtkmmproc-generated custom classes implicitly call the default + // Glib::ObjectBase constructor, which sets is_derived_. But gtkmmproc- + // generated classes can use this optimisation, which avoids the unnecessary + // parameter conversions if there is no possibility of the virtual function + // being overridden: + + if(obj_base && obj_base->is_derived_()) + { + CppObjectType *const obj = dynamic_cast<CppObjectType* const>(obj_base); + if(obj) // This can be NULL during destruction. + { + try // Trap C++ exceptions which would normally be lost because this is a C callback. + { + // Call the virtual member method, which derived classes might override. + Application::type_vec_files vec_files(n_files); + for (int i = 0; i < n_files; i++) { + vec_files[i] = Glib::wrap(files[i], true); + } + + const Glib::ustring hint_str = (hint ? hint : Glib::ustring()); + + obj->on_open(vec_files, hint_str); + return; + } + catch(...) + { + Glib::exception_handlers_invoke(); + } + } + } + + BaseClassType *const base = static_cast<BaseClassType*>( + g_type_class_peek_parent(G_OBJECT_GET_CLASS(self)) // Get the parent class of the object class (The original underlying C class). + ); + + // Call the original underlying C function: + if(base && base->open) + (*base->open)(self, files, n_files, hint); +} + +Glib::SignalProxy2< void, const Application::type_vec_files&, const Glib::ustring& > Application::signal_open() +{ + return Glib::SignalProxy2< void, const Application::type_vec_files&, const Glib::ustring& >(this, &Application_signal_open_info); +} + +void Gio::Application::on_open(const Application::type_vec_files& files, const Glib::ustring& hint) +{ + BaseClassType *const base = static_cast<BaseClassType*>( + g_type_class_peek_parent(G_OBJECT_GET_CLASS(gobject_)) // Get the parent class of the object class (The original underlying C class). + ); + + if(base && base->open) { + typedef GFile* cpointer; + cpointer* files_array = new cpointer[files.size()]; + guint i = 0; + for(Application::type_vec_files::const_iterator iter = files.begin(); iter != files.end(); iter++) + { + Application::type_vec_files::const_reference refPtr = *iter; + files_array[i] = refPtr->gobj(); + } + + (*base->open)(gobj(), files_array, files.size(), hint.c_str()); + } +} + void Application::open(const type_vec_files& files, const Glib::ustring& hint) { //TODO: Create a templated helper function for this: |