nico/NickelMenu-custom
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Partially fixed segfault when opening the menu

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This commit is contained in:
Patrick Gaskin
2020-04-22 01:35:49 -04:00
parent c7586e95fc
commit ac55fd5bf1
1 changed files with 24 additions and 21 deletions
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45
src/menu.cc
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@@ -34,7 +34,30 @@ static void (*ConfirmationDialogFactory_showOKDialog)(QString const&, QString co
static nmi_menu_entry_t *_entries;
static size_t _entries_n;
extern "C" MenuTextItem* AbstractNickelMenuController_createMenuTextItem_hook(void* _this, QMenu* menu, QString const& label, bool checkable, bool checked, QString const& thingy) {
extern "C" int nmi_menu_hook(void *libnickel, nmi_menu_entry_t *entries, size_t entries_n, char **err_out) {
#define NMI_ERR_RET 1
reinterpret_cast<void*&>(AbstractNickelMenuController_createMenuTextItem) = dlsym(libnickel, "_ZN28AbstractNickelMenuController18createMenuTextItemEP5QMenuRK7QStringbbS4_");
reinterpret_cast<void*&>(AbstractNickelMenuController_createAction) = dlsym(libnickel, "_ZN22AbstractMenuController12createActionEP5QMenuP7QWidgetbbb");
reinterpret_cast<void*&>(ConfirmationDialogFactory_showOKDialog) = dlsym(libnickel, "_ZN25ConfirmationDialogFactory12showOKDialogERK7QStringS2_");
NMI_ASSERT(AbstractNickelMenuController_createMenuTextItem, "unsupported firmware: could not find AbstractNickelMenuController::createMenuTextItem(void* _this, QMenu*, QString, bool, bool, QString const&)");
NMI_ASSERT(AbstractNickelMenuController_createAction, "unsupported firmware: could not find AbstractNickelMenuController::createAction(void* _this, QMenu*, QWidget*, bool, bool, bool)");
NMI_ASSERT(AbstractNickelMenuController_createAction, "unsupported firmware: could not find ConfirmationDialogFactory::showOKDialog(QString const&, QString const&)");
void* nmh = dlsym(RTLD_DEFAULT, "_nmi_menu_hook");
NMI_ASSERT(nmh, "internal error: could not dlsym _nmi_menu_hook");
char *err;
reinterpret_cast<void*&>(AbstractNickelMenuController_createMenuTextItem_orig) = nmi_dlhook(libnickel, "_ZN28AbstractNickelMenuController18createMenuTextItemEP5QMenuRK7QStringbbS4_", nmh, &err);
NMI_ASSERT(AbstractNickelMenuController_createMenuTextItem_orig, "failed to hook _ZN28AbstractNickelMenuController18createMenuTextItemEP5QMenuRK7QStringbbS4_: %s", err);
_entries = entries;
_entries_n = entries_n;
#undef NMI_ERR_RET
}
extern "C" MenuTextItem* _nmi_menu_hook(void* _this, QMenu* menu, QString const& label, bool checkable, bool checked, QString const& thingy) {
NMI_LOG("AbstractNickelMenuController::createMenuTextItem(%p, `%s`, %d, %d, `%s`)", menu, qPrintable(label), checkable, checked, qPrintable(thingy));
// TODO: test on other locales
@@ -83,23 +106,3 @@ extern "C" MenuTextItem* AbstractNickelMenuController_createMenuTextItem_hook(vo
return AbstractNickelMenuController_createMenuTextItem_orig(_this, menu, label, checkable, checked, thingy);
}
extern "C" int nmi_menu_hook(void *libnickel, nmi_menu_entry_t *entries, size_t entries_n, char **err_out) {
#define NMI_ERR_RET 1
reinterpret_cast<void*&>(AbstractNickelMenuController_createMenuTextItem) = dlsym(libnickel, "_ZN28AbstractNickelMenuController18createMenuTextItemEP5QMenuRK7QStringbbS4_");
reinterpret_cast<void*&>(AbstractNickelMenuController_createAction) = dlsym(libnickel, "_ZN22AbstractMenuController12createActionEP5QMenuP7QWidgetbbb");
reinterpret_cast<void*&>(ConfirmationDialogFactory_showOKDialog) = dlsym(libnickel, "_ZN25ConfirmationDialogFactory12showOKDialogERK7QStringS2_");
NMI_ASSERT(AbstractNickelMenuController_createMenuTextItem, "unsupported firmware: could not find AbstractNickelMenuController::createMenuTextItem(void* _this, QMenu*, QString, bool, bool, QString const&)");
NMI_ASSERT(AbstractNickelMenuController_createAction, "unsupported firmware: could not find AbstractNickelMenuController::createAction(void* _this, QMenu*, QWidget*, bool, bool, bool)");
NMI_ASSERT(AbstractNickelMenuController_createAction, "unsupported firmware: could not find ConfirmationDialogFactory::showOKDialog(QString const&, QString const&)");
char *err;
reinterpret_cast<void*&>(AbstractNickelMenuController_createMenuTextItem_orig) = nmi_dlhook(libnickel, "_ZN28AbstractNickelMenuController18createMenuTextItemEP5QMenuRK7QStringbbS4_", reinterpret_cast<void*&>(AbstractNickelMenuController_createMenuTextItem_hook), &err);
NMI_ASSERT(AbstractNickelMenuController_createMenuTextItem_orig, "failed to hook _ZN28AbstractNickelMenuController18createMenuTextItemEP5QMenuRK7QStringbbS4_: %s", err);
_entries = entries;
_entries_n = entries_n;
#undef NMI_ERR_RET
}