fix a crash that caused by double-delete of a event handler

This commit is contained in:
Jinhao
2015-05-01 16:29:51 +08:00
parent f943673d3d
commit a64354900c
9 changed files with 144 additions and 102 deletions

View File

@@ -146,6 +146,9 @@ namespace nana
void bedrock::_m_emit_core(event_code evt_code, core_window_t* wd, bool draw_only, const ::nana::event_arg& event_arg)
{
auto retain = wd->together.events_ptr;
auto evts_ptr = retain.get();
switch (evt_code)
{
case event_code::click:
@@ -162,35 +165,36 @@ namespace nana
void(::nana::detail::drawer::*drawer_event_fn)(const arg_mouse&);
::nana::basic_event<arg_mouse>* evt_addr;
switch (evt_code)
{
case event_code::click:
drawer_event_fn = &drawer::click;
evt_addr = &wd->together.attached_events->click;
evt_addr = &evts_ptr->click;
break;
case event_code::dbl_click:
drawer_event_fn = &drawer::dbl_click;
evt_addr = &wd->together.attached_events->dbl_click;
evt_addr = &evts_ptr->dbl_click;
break;
case event_code::mouse_enter:
drawer_event_fn = &drawer::mouse_enter;
evt_addr = &wd->together.attached_events->mouse_enter;
evt_addr = &evts_ptr->mouse_enter;
break;
case event_code::mouse_move:
drawer_event_fn = &drawer::mouse_move;
evt_addr = &wd->together.attached_events->mouse_move;
evt_addr = &evts_ptr->mouse_move;
break;
case event_code::mouse_leave:
drawer_event_fn = &drawer::mouse_leave;
evt_addr = &wd->together.attached_events->mouse_leave;
evt_addr = &evts_ptr->mouse_leave;
break;
case event_code::mouse_down:
drawer_event_fn = &drawer::mouse_down;
evt_addr = &wd->together.attached_events->mouse_down;
evt_addr = &evts_ptr->mouse_down;
break;
case event_code::mouse_up:
drawer_event_fn = &drawer::mouse_up;
evt_addr = &wd->together.attached_events->mouse_up;
evt_addr = &evts_ptr->mouse_up;
break;
default:
throw std::runtime_error("Invalid mouse event code");
@@ -209,7 +213,7 @@ namespace nana
{
wd->drawer.mouse_wheel(*arg);
if (!draw_only)
wd->together.attached_events->mouse_wheel.emit(*arg);
evts_ptr->mouse_wheel.emit(*arg);
}
break;
}
@@ -229,19 +233,19 @@ namespace nana
{
case event_code::key_press:
drawer_event_fn = &drawer::key_press;
evt_addr = &wd->together.attached_events->key_press;
evt_addr = &evts_ptr->key_press;
break;
case event_code::key_char:
drawer_event_fn = &drawer::key_char;
evt_addr = &wd->together.attached_events->key_char;
evt_addr = &evts_ptr->key_char;
break;
case event_code::key_release:
drawer_event_fn = &drawer::key_release;
evt_addr = &wd->together.attached_events->key_release;
evt_addr = &evts_ptr->key_release;
break;
case event_code::shortkey:
drawer_event_fn = &drawer::shortkey;
evt_addr = &wd->together.attached_events->shortkey;
evt_addr = &evts_ptr->shortkey;
break;
default:
throw std::runtime_error("Invalid keyboard event code");
@@ -256,7 +260,7 @@ namespace nana
{
auto arg = dynamic_cast<const arg_expose*>(&event_arg);
if (arg)
wd->together.attached_events->expose.emit(*arg);
evts_ptr->expose.emit(*arg);
}
break;
case event_code::focus:
@@ -266,7 +270,7 @@ namespace nana
{
wd->drawer.focus(*arg);
if (!draw_only)
wd->together.attached_events->focus.emit(*arg);
evts_ptr->focus.emit(*arg);
}
break;
}
@@ -277,7 +281,7 @@ namespace nana
{
wd->drawer.move(*arg);
if (!draw_only)
wd->together.attached_events->move.emit(*arg);
evts_ptr->move.emit(*arg);
}
break;
}
@@ -288,7 +292,7 @@ namespace nana
{
wd->drawer.resizing(*arg);
if (!draw_only)
wd->together.attached_events->resizing.emit(*arg);
evts_ptr->resizing.emit(*arg);
}
break;
}
@@ -299,7 +303,7 @@ namespace nana
{
wd->drawer.resized(*arg);
if (!draw_only)
wd->together.attached_events->resized.emit(*arg);
evts_ptr->resized.emit(*arg);
}
break;
}
@@ -309,9 +313,9 @@ namespace nana
auto arg = dynamic_cast<const arg_unload*>(&event_arg);
if (arg && (wd->other.category == category::flags::root))
{
auto evt_ptr = dynamic_cast<events_root_extension*>(wd->together.attached_events);
if (evt_ptr)
evt_ptr->unload.emit(*arg);
auto evt_root = dynamic_cast<events_root_extension*>(evts_ptr);
if (evt_root)
evt_root->unload.emit(*arg);
}
}
break;
@@ -320,7 +324,7 @@ namespace nana
{
auto arg = dynamic_cast<const arg_destroy*>(&event_arg);
if (arg)
wd->together.attached_events->destroy.emit(*arg);
evts_ptr->destroy.emit(*arg);
}
break;
default: