Merge pull request #29757 from YeldhamDev/signal_detect_inherited_methods

Check for inherited methods before attempting to create one when connecting a signal
This commit is contained in:
Rémi Verschelde 2019-06-14 15:18:54 +02:00 committed by GitHub
commit 578f8d7c43
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2 changed files with 44 additions and 24 deletions

View File

@ -363,7 +363,7 @@ ConnectDialog::ConnectDialog() {
tree->connect("node_selected", this, "_tree_node_selected");
tree->set_connect_to_script_mode(true);
Node *mc = vbc_left->add_margin_child(TTR("Connect To Script:"), tree, true);
Node *mc = vbc_left->add_margin_child(TTR("Connect to Script:"), tree, true);
connect_to_label = Object::cast_to<Label>(vbc_left->get_child(mc->get_index() - 1));
error_label = memnew(Label);
@ -413,7 +413,7 @@ ConnectDialog::ConnectDialog() {
vbc_right->add_margin_child(TTR("Extra Call Arguments:"), bind_editor, true);
HBoxContainer *dstm_hb = memnew(HBoxContainer);
vbc_left->add_margin_child("Method to Create:", dstm_hb);
vbc_left->add_margin_child("Receiver Method:", dstm_hb);
dst_method = memnew(LineEdit);
dst_method->set_h_size_flags(SIZE_EXPAND_FILL);
@ -489,8 +489,26 @@ void ConnectionsDock::_make_or_edit_connection() {
bool oshot = connect_dialog->get_oneshot();
cToMake.flags = CONNECT_PERSIST | (defer ? CONNECT_DEFERRED : 0) | (oshot ? CONNECT_ONESHOT : 0);
// Conditions to add function, must have a script and must have a method.
bool add_script_function = !target->get_script().is_null() && !ClassDB::has_method(target->get_class(), cToMake.method);
// Conditions to add function: must have a script and must not have the method already
// (in the class, the script itself, or inherited).
bool add_script_function = false;
Ref<Script> script = target->get_script();
if (!target->get_script().is_null() && !ClassDB::has_method(target->get_class(), cToMake.method)) {
// There is a chance that the method is inherited from another script.
bool found_inherited_function = false;
Ref<Script> inherited_script = script->get_base_script();
while (!inherited_script.is_null()) {
int line = inherited_script->get_language()->find_function(cToMake.method, inherited_script->get_source_code());
if (line != -1) {
found_inherited_function = true;
break;
}
inherited_script = inherited_script->get_base_script();
}
add_script_function = !found_inherited_function;
}
PoolStringArray script_function_args;
if (add_script_function) {
// Pick up args here before "it" is deleted by update_tree.
@ -507,8 +525,7 @@ void ConnectionsDock::_make_or_edit_connection() {
_connect(cToMake);
}
// IMPORTANT NOTE: _disconnect and _connect cause an update_tree,
// which will delete the object "it" is pointing to.
// IMPORTANT NOTE: _disconnect and _connect cause an update_tree, which will delete the object "it" is pointing to.
it = NULL;
if (add_script_function) {
@ -677,7 +694,7 @@ void ConnectionsDock::_open_connection_dialog(Connection cToEdit) {
if (src && dst) {
connect_dialog->set_title(TTR("Edit Connection:") + cToEdit.signal);
connect_dialog->popup_centered_ratio();
connect_dialog->popup_centered();
connect_dialog->init(cToEdit, true);
}
}

View File

@ -882,26 +882,29 @@ void ScriptTextEditor::_update_connected_methods() {
continue;
}
int line = script->get_language()->find_function(connection.method, text_edit->get_text());
if (line < 0) {
// There is a chance that the method is inherited from another script.
bool found_inherited_function = false;
Ref<Script> inherited_script = script->get_base_script();
while (!inherited_script.is_null()) {
line = inherited_script->get_language()->find_function(connection.method, inherited_script->get_source_code());
if (line != -1) {
found_inherited_function = true;
break;
if (!ClassDB::has_method(script->get_instance_base_type(), connection.method)) {
int line = script->get_language()->find_function(connection.method, text_edit->get_text());
if (line < 0) {
// There is a chance that the method is inherited from another script.
bool found_inherited_function = false;
Ref<Script> inherited_script = script->get_base_script();
while (!inherited_script.is_null()) {
line = inherited_script->get_language()->find_function(connection.method, inherited_script->get_source_code());
if (line != -1) {
found_inherited_function = true;
break;
}
inherited_script = inherited_script->get_base_script();
}
inherited_script = inherited_script->get_base_script();
if (!found_inherited_function) {
missing_connections.push_back(connection);
}
} else {
text_edit->set_line_info_icon(line - 1, get_parent_control()->get_icon("Slot", "EditorIcons"), connection.method);
}
if (!found_inherited_function) {
missing_connections.push_back(connection);
}
} else {
text_edit->set_line_info_icon(line - 1, get_parent_control()->get_icon("Slot", "EditorIcons"), connection.method);
}
}
}