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Store the names of commands in the menu rather than references to the commands themselves, to avoid crashes with dynamically created and removed commands. This makes most menu operations a bit slower, but it appears to be sufficiently fast.

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Originally committed to SVN as r6259.
This commit is contained in:
Thomas Goyne 2012-01-09 20:31:55 +00:00
parent 1801583ed7
commit a0fcd535c1
1 changed files with 22 additions and 20 deletions
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42
aegisub/src/menu.cpp
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@ -58,7 +58,7 @@ using std::tr1::bind;
class MruMenu : public wxMenu {
std::string type;
std::vector<wxMenuItem *> items;
std::vector<cmd::Command*> *cmds;
std::vector<std::string> *cmds;
void Resize(size_t new_size) {
for (size_t i = GetMenuItemCount(); i > new_size; --i) {
@ -68,14 +68,14 @@ class MruMenu : public wxMenu {
for (size_t i = GetMenuItemCount(); i < new_size; ++i) {
if (i >= items.size()) {
items.push_back(new wxMenuItem(this, MENU_ID_BASE + cmds->size(), "_"));
cmds->push_back(cmd::get(STD_STR(wxString::Format("recent/%s/%d", lagi_wxString(type).Lower(), (int)i))));
cmds->push_back(STD_STR(wxString::Format("recent/%s/%d", lagi_wxString(type).Lower(), (int)i)));
}
Append(items[i]);
}
}
public:
MruMenu(std::string const& type, std::vector<cmd::Command*> *cmds)
MruMenu(std::string const& type, std::vector<std::string> *cmds)
: type(type)
, cmds(cmds)
{
@ -114,7 +114,7 @@ public:
struct menu_item_cmp {
wxMenuItem *item;
menu_item_cmp(wxMenuItem *item) : item(item) { }
bool operator()(std::pair<cmd::Command*, wxMenuItem*> o) const {
bool operator()(std::pair<std::string, wxMenuItem*> const& o) const {
return o.second == item;
}
};
@ -128,11 +128,11 @@ struct menu_item_cmp {
/// handlers makes everything involves events unusably slow.
class CommandManager {
/// Menu items which need to do something on menu open
std::deque<std::pair<cmd::Command*, wxMenuItem*> > dynamic_items;
std::deque<std::pair<std::string, wxMenuItem*> > dynamic_items;
/// Menu items which need to be updated only when hotkeys change
std::deque<std::pair<cmd::Command*, wxMenuItem*> > static_items;
std::deque<std::pair<std::string, wxMenuItem*> > static_items;
/// window id -> command map
std::vector<cmd::Command*> items;
std::vector<std::string> items;
/// MRU menus which need to be updated on menu open
std::deque<MruMenu*> mru;
@ -143,14 +143,15 @@ class CommandManager {
agi::signal::Connection hotkeys_changed;
/// Update a single dynamic menu item
void UpdateItem(std::pair<cmd::Command*, wxMenuItem*> const& item) {
int flags = item.first->Type();
void UpdateItem(std::pair<std::string, wxMenuItem*> const& item) {
cmd::Command *c = cmd::get(item.first);
int flags = c->Type();
if (flags & cmd::COMMAND_DYNAMIC_NAME)
UpdateItemName(item);
if (flags & cmd::COMMAND_VALIDATE)
item.second->Enable(item.first->Validate(context));
item.second->Enable(c->Validate(context));
if (flags & cmd::COMMAND_RADIO || flags & cmd::COMMAND_TOGGLE) {
bool check = item.first->IsActive(context);
bool check = c->IsActive(context);
// Don't call Check(false) on radio items as this causes wxGtk to
// send a menu clicked event, and it should be a no-op anyway
if (check || flags & cmd::COMMAND_TOGGLE)
@ -158,13 +159,14 @@ class CommandManager {
}
}
void UpdateItemName(std::pair<cmd::Command*, wxMenuItem*> const& item) {
void UpdateItemName(std::pair<std::string, wxMenuItem*> const& item) {
cmd::Command *c = cmd::get(item.first);
wxString text;
if (item.first->Type() & cmd::COMMAND_DYNAMIC_NAME)
text = item.first->StrMenu(context);
if (c->Type() & cmd::COMMAND_DYNAMIC_NAME)
text = c->StrMenu(context);
else
text = item.second->GetItemLabel().BeforeFirst('\t');
item.second->SetItemLabel(text + "\t" + hotkey::get_hotkey_str_first("Default", item.first->name()));
item.second->SetItemLabel(text + "\t" + hotkey::get_hotkey_str_first("Default", c->name()));
}
public:
@ -192,19 +194,19 @@ public:
item->SetBitmap(co->Icon(16));
#endif
parent->Append(item);
items.push_back(co);
items.push_back(co->name());
if (flags != cmd::COMMAND_NORMAL)
dynamic_items.push_back(std::make_pair(co, item));
dynamic_items.push_back(std::make_pair(co->name(), item));
else
static_items.push_back(std::make_pair(co, item));
static_items.push_back(std::make_pair(co->name(), item));
return item->GetId();
}
/// Unregister a dynamic menu item
void Remove(wxMenuItem *item) {
std::deque<std::pair<cmd::Command*, wxMenuItem*> >::iterator it =
std::deque<std::pair<std::string, wxMenuItem*> >::iterator it =
find_if(dynamic_items.begin(), dynamic_items.end(), menu_item_cmp(item));
if (it != dynamic_items.end())
dynamic_items.erase(it);
@ -228,7 +230,7 @@ public:
// the window ID ranges really need to be unique
size_t id = static_cast<size_t>(evt.GetId() - MENU_ID_BASE);
if (id < items.size())
(*items[id])(context);
cmd::call(items[id], context);
}
/// Update the hotkeys for all menu items