diff options
author | Paul Davis <paul@linuxaudiosystems.com> | 2006-10-17 20:40:39 +0000 |
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committer | Paul Davis <paul@linuxaudiosystems.com> | 2006-10-17 20:40:39 +0000 |
commit | 0ef71e47de8870e74f02b457cb513930df514266 (patch) | |
tree | 6c1e093957805161c88ac6294bfc3c6534f95e7f /libs/pbd/pbd/memento_command.h | |
parent | fe7c3976c9382bb9f19797034dece570eefcbf01 (diff) |
reduce calls to fit_to_pixels(); flip back to old fix for rec regions botch; executable stack fix; avoid delete this in MementoCommand lifetime management
git-svn-id: svn://localhost/ardour2/trunk@988 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'libs/pbd/pbd/memento_command.h')
-rw-r--r-- | libs/pbd/pbd/memento_command.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/libs/pbd/pbd/memento_command.h b/libs/pbd/pbd/memento_command.h index f257e63233..715e9d33e3 100644 --- a/libs/pbd/pbd/memento_command.h +++ b/libs/pbd/pbd/memento_command.h @@ -30,10 +30,20 @@ using std::endl; #include <sigc++/slot.h> #include <typeinfo> +/* grrr, strict C++ says that static member functions are not C functions, but we also want + to be able to pack this into a sigc::ptr_fun and not sigc::mem_fun, so we have to make + it a genuine function rather than a member. +*/ + +static void object_death (Command* mc) { + delete mc; +} + /** This command class is initialized with before and after mementos * (from Stateful::get_state()), so undo becomes restoring the before * memento, and redo is restoring the after memento. */ + template <class obj_T> class MementoCommand : public Command { @@ -43,8 +53,9 @@ class MementoCommand : public Command XMLNode *after ) : obj(object), before(before), after(after) { - obj.GoingAway.connect (sigc::mem_fun (*this, &MementoCommand<obj_T>::object_death)); + obj.GoingAway.connect (sigc::bind (sigc::ptr_fun (object_death), static_cast<Command*>(this))); } + ~MementoCommand () { GoingAway(); if (before) { @@ -91,10 +102,6 @@ class MementoCommand : public Command protected: obj_T &obj; XMLNode *before, *after; - - void object_death () { - delete this; - } }; #endif // __lib_pbd_memento_h__ |