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godot/editor/connections_dialog.cpp

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/*************************************************************************/
/* connections_dialog.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "connections_dialog.h"
#include "editor_node.h"
#include "editor_settings.h"
#include "plugins/script_editor_plugin.h"
#include "print_string.h"
#include "scene/gui/label.h"
class ConnectDialogBinds : public Object {
GDCLASS(ConnectDialogBinds, Object);
public:
Vector<Variant> params;
bool _set(const StringName &p_name, const Variant &p_value) {
String name = p_name;
if (name.begins_with("bind/")) {
int which = name.get_slice("/", 1).to_int() - 1;
ERR_FAIL_INDEX_V(which, params.size(), false);
params[which] = p_value;
} else
return false;
return true;
}
bool _get(const StringName &p_name, Variant &r_ret) const {
String name = p_name;
if (name.begins_with("bind/")) {
int which = name.get_slice("/", 1).to_int() - 1;
ERR_FAIL_INDEX_V(which, params.size(), false);
r_ret = params[which];
} else
return false;
return true;
}
void _get_property_list(List<PropertyInfo> *p_list) const {
for (int i = 0; i < params.size(); i++) {
p_list->push_back(PropertyInfo(params[i].get_type(), "bind/" + itos(i + 1)));
}
}
void notify_changed() {
_change_notify();
}
ConnectDialogBinds() {
}
};
void ConnectDialog::_notification(int p_what) {
if (p_what == NOTIFICATION_ENTER_TREE) {
bind_editor->edit(cdbinds);
}
}
void ConnectDialog::_tree_node_selected() {
//dst_method_list->get_popup()->clear();
Node *current = tree->get_selected();
if (!current) {
make_callback->hide();
return;
}
if (current->get_script().is_null())
make_callback->hide();
else
make_callback->show();
dst_path->set_text(node->get_path_to(current));
}
void ConnectDialog::edit(Node *p_node) {
node = p_node;
//dst_method_list->get_popup()->clear();
tree->set_selected(NULL);
tree->set_marked(node, true);
dst_path->set_text("");
dst_method->set_text("");
deferred->set_pressed(false);
oneshot->set_pressed(false);
cdbinds->params.clear();
cdbinds->notify_changed();
}
void ConnectDialog::ok_pressed() {
if (dst_method->get_text() == "") {
error->set_text(TTR("Method in target Node must be specified!"));
error->popup_centered_minsize();
return;
}
Node *target = tree->get_selected();
if (target->get_script().is_null()) {
if (!target->has_method(dst_method->get_text())) {
error->set_text(TTR("Target method not found! Specify a valid method or attach a script to target Node."));
error->popup_centered_minsize();
return;
}
}
emit_signal("connected");
hide();
}
void ConnectDialog::_cancel_pressed() {
hide();
}
NodePath ConnectDialog::get_dst_path() const {
return dst_path->get_text();
}
bool ConnectDialog::get_deferred() const {
return deferred->is_pressed();
}
bool ConnectDialog::get_oneshot() const {
return oneshot->is_pressed();
}
StringName ConnectDialog::get_dst_method() const {
String txt = dst_method->get_text();
if (txt.find("(") != -1)
txt = txt.left(txt.find("(")).strip_edges();
return txt;
}
Vector<Variant> ConnectDialog::get_binds() const {
return cdbinds->params;
}
void ConnectDialog::_add_bind() {
if (cdbinds->params.size() >= VARIANT_ARG_MAX)
return;
Variant::Type vt = (Variant::Type)type_list->get_item_id(type_list->get_selected());
Variant value;
switch (vt) {
case Variant::BOOL: value = false; break;
case Variant::INT: value = 0; break;
case Variant::REAL: value = 0.0; break;
case Variant::STRING: value = ""; break;
case Variant::VECTOR2: value = Vector2(); break;
case Variant::RECT2: value = Rect2(); break;
case Variant::VECTOR3: value = Vector3(); break;
case Variant::PLANE: value = Plane(); break;
case Variant::QUAT: value = Quat(); break;
case Variant::AABB: value = AABB(); break;
case Variant::BASIS: value = Basis(); break;
case Variant::TRANSFORM: value = Transform(); break;
case Variant::COLOR: value = Color(); break;
default: { ERR_FAIL(); } break;
}
ERR_FAIL_COND(value.get_type() == Variant::NIL);
cdbinds->params.push_back(value);
cdbinds->notify_changed();
}
void ConnectDialog::_remove_bind() {
String st = bind_editor->get_selected_path();
if (st == "")
return;
int idx = st.get_slice("/", 1).to_int() - 1;
ERR_FAIL_INDEX(idx, cdbinds->params.size());
cdbinds->params.remove(idx);
cdbinds->notify_changed();
}
void ConnectDialog::set_dst_node(Node *p_node) {
tree->set_selected(p_node);
}
void ConnectDialog::set_dst_method(const StringName &p_method) {
dst_method->set_text(p_method);
}
void ConnectDialog::_bind_methods() {
ClassDB::bind_method("_cancel", &ConnectDialog::_cancel_pressed);
ClassDB::bind_method("_tree_node_selected", &ConnectDialog::_tree_node_selected);
ClassDB::bind_method("_add_bind", &ConnectDialog::_add_bind);
ClassDB::bind_method("_remove_bind", &ConnectDialog::_remove_bind);
ADD_SIGNAL(MethodInfo("connected"));
}
ConnectDialog::ConnectDialog() {
VBoxContainer *vbc = memnew(VBoxContainer);
add_child(vbc);
HBoxContainer *main_hb = memnew(HBoxContainer);
vbc->add_child(main_hb);
main_hb->set_v_size_flags(SIZE_EXPAND_FILL);
VBoxContainer *vbc_left = memnew(VBoxContainer);
main_hb->add_child(vbc_left);
vbc_left->set_h_size_flags(SIZE_EXPAND_FILL);
tree = memnew(SceneTreeEditor(false));
tree->get_scene_tree()->connect("item_activated", this, "_ok");
vbc_left->add_margin_child(TTR("Connect To Node:"), tree, true);
VBoxContainer *vbc_right = memnew(VBoxContainer);
main_hb->add_child(vbc_right);
vbc_right->set_h_size_flags(SIZE_EXPAND_FILL);
HBoxContainer *add_bind_hb = memnew(HBoxContainer);
type_list = memnew(OptionButton);
type_list->set_h_size_flags(SIZE_EXPAND_FILL);
add_bind_hb->add_child(type_list);
type_list->add_item("bool", Variant::BOOL);
type_list->add_item("int", Variant::INT);
type_list->add_item("real", Variant::REAL);
type_list->add_item("string", Variant::STRING);
//type_list->add_separator();
type_list->add_item("Vector2", Variant::VECTOR2);
type_list->add_item("Rect2", Variant::RECT2);
type_list->add_item("Vector3", Variant::VECTOR3);
type_list->add_item("Plane", Variant::PLANE);
type_list->add_item("Quat", Variant::QUAT);
type_list->add_item("AABB", Variant::AABB);
type_list->add_item("Basis", Variant::BASIS);
type_list->add_item("Transform", Variant::TRANSFORM);
//type_list->add_separator();
type_list->add_item("Color", Variant::COLOR);
type_list->select(0);
Button *add_bind = memnew(Button);
add_bind->set_text(TTR("Add"));
add_bind_hb->add_child(add_bind);
add_bind->connect("pressed", this, "_add_bind");
Button *del_bind = memnew(Button);
del_bind->set_text(TTR("Remove"));
add_bind_hb->add_child(del_bind);
del_bind->connect("pressed", this, "_remove_bind");
vbc_right->add_margin_child(TTR("Add Extra Call Argument:"), add_bind_hb);
bind_editor = memnew(PropertyEditor);
bind_editor->hide_top_label();
vbc_right->add_margin_child(TTR("Extra Call Arguments:"), bind_editor, true);
dst_path = memnew(LineEdit);
vbc->add_margin_child(TTR("Path to Node:"), dst_path);
HBoxContainer *dstm_hb = memnew(HBoxContainer);
vbc->add_margin_child("Method In Node:", dstm_hb);
dst_method = memnew(LineEdit);
dst_method->set_h_size_flags(SIZE_EXPAND_FILL);
dstm_hb->add_child(dst_method);
/*dst_method_list = memnew( MenuButton );
dst_method_list->set_text("List...");
dst_method_list->set_anchor( MARGIN_RIGHT, ANCHOR_END );
dst_method_list->set_anchor( MARGIN_LEFT, ANCHOR_END );
dst_method_list->set_anchor( MARGIN_TOP, ANCHOR_END );
dst_method_list->set_anchor( MARGIN_BOTTOM, ANCHOR_END );
dst_method_list->set_begin( Point2( 70,59) );
dst_method_list->set_end( Point2( 15,39 ) );
*/
//add_child(dst_method_list);
make_callback = memnew(CheckButton);
make_callback->set_toggle_mode(true);
make_callback->set_pressed(EDITOR_DEF("text_editor/tools/create_signal_callbacks", true));
make_callback->set_text(TTR("Make Function"));
dstm_hb->add_child(make_callback);
deferred = memnew(CheckButton);
deferred->set_text(TTR("Deferred"));
dstm_hb->add_child(deferred);
oneshot = memnew(CheckButton);
oneshot->set_text(TTR("Oneshot"));
dstm_hb->add_child(oneshot);
tree->connect("node_selected", this, "_tree_node_selected");
set_as_toplevel(true);
cdbinds = memnew(ConnectDialogBinds);
error = memnew(ConfirmationDialog);
add_child(error);
error->get_ok()->set_text(TTR("Close"));
get_ok()->set_text(TTR("Connect"));
}
ConnectDialog::~ConnectDialog() {
memdelete(cdbinds);
}
void ConnectionsDock::_notification(int p_what) {
if (p_what == EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED) {
update_tree();
}
}
void ConnectionsDock::_close() {
hide();
}
void ConnectionsDock::_connect() {
TreeItem *it = tree->get_selected();
ERR_FAIL_COND(!it);
String signal = it->get_metadata(0).operator Dictionary()["name"];
NodePath dst_path = connect_dialog->get_dst_path();
Node *target = node->get_node(dst_path);
ERR_FAIL_COND(!target);
StringName dst_method = connect_dialog->get_dst_method();
bool defer = connect_dialog->get_deferred();
bool oshot = connect_dialog->get_oneshot();
Vector<Variant> binds = connect_dialog->get_binds();
PoolStringArray args = it->get_metadata(0).operator Dictionary()["args"];
int flags = CONNECT_PERSIST | (defer ? CONNECT_DEFERRED : 0) | (oshot ? CONNECT_ONESHOT : 0);
undo_redo->create_action(vformat(TTR("Connect '%s' to '%s'"), signal, String(dst_method)));
undo_redo->add_do_method(node, "connect", signal, target, dst_method, binds, flags);
undo_redo->add_undo_method(node, "disconnect", signal, target, dst_method);
undo_redo->add_do_method(this, "update_tree");
undo_redo->add_undo_method(this, "update_tree");
undo_redo->add_do_method(EditorNode::get_singleton()->get_scene_tree_dock()->get_tree_editor(), "update_tree"); //to force redraw of scene tree
undo_redo->add_undo_method(EditorNode::get_singleton()->get_scene_tree_dock()->get_tree_editor(), "update_tree"); //to force redraw of scene tree
undo_redo->commit_action();
if (connect_dialog->get_make_callback()) {
print_line("request connect");
editor->emit_signal("script_add_function_request", target, dst_method, args);
hide();
}
update_tree();
}
void ConnectionsDock::_connect_pressed() {
TreeItem *item = tree->get_selected();
if (!item) {
//no idea how this happened, but disable
connect_button->set_disabled(true);
return;
}
if (item->get_parent() == tree->get_root() || item->get_parent()->get_parent() == tree->get_root()) {
//a signal - connect
String signal = item->get_metadata(0).operator Dictionary()["name"];
String signalname = signal;
String midname = node->get_name();
for (int i = 0; i < midname.length(); i++) {
CharType c = midname[i];
if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '_') {
//all good
} else if (c == ' ') {
c = '_';
} else {
midname.remove(i);
i--;
continue;
}
midname[i] = c;
}
connect_dialog->edit(node);
connect_dialog->popup_centered_ratio();
connect_dialog->set_title(TTR("Connecting Signal:") + " " + signalname);
connect_dialog->set_dst_method("_on_" + midname + "_" + signal);
connect_dialog->set_dst_node(node->get_owner() ? node->get_owner() : node);
} else {
//a slot- disconnect
Connection c = item->get_metadata(0);
ERR_FAIL_COND(c.source != node); //shouldn't happen but...bugcheck
undo_redo->create_action(vformat(TTR("Disconnect '%s' from '%s'"), c.signal, c.method));
undo_redo->add_do_method(node, "disconnect", c.signal, c.target, c.method);
undo_redo->add_undo_method(node, "connect", c.signal, c.target, c.method, Vector<Variant>(), c.flags);
undo_redo->add_do_method(this, "update_tree");
undo_redo->add_undo_method(this, "update_tree");
undo_redo->add_do_method(EditorNode::get_singleton()->get_scene_tree_dock()->get_tree_editor(), "update_tree"); //to force redraw of scene tree
undo_redo->add_undo_method(EditorNode::get_singleton()->get_scene_tree_dock()->get_tree_editor(), "update_tree"); //to force redraw of scene tree
undo_redo->commit_action();
c.source->disconnect(c.signal, c.target, c.method);
update_tree();
}
}
struct _ConnectionsDockMethodInfoSort {
_FORCE_INLINE_ bool operator()(const MethodInfo &a, const MethodInfo &b) const {
return a.name < b.name;
}
};
void ConnectionsDock::update_tree() {
tree->clear();
if (!node)
return;
TreeItem *root = tree->create_item();
List<MethodInfo> node_signals;
node->get_signal_list(&node_signals);
//node_signals.sort_custom<_ConnectionsDockMethodInfoSort>();
bool did_script = false;
StringName base = node->get_class();
while (base) {
List<MethodInfo> node_signals;
Ref<Texture> icon;
String name;
if (!did_script) {
Ref<Script> scr = node->get_script();
if (scr.is_valid()) {
scr->get_script_signal_list(&node_signals);
if (scr->get_path().is_resource_file())
name = scr->get_path().get_file();
else
name = scr->get_class();
if (has_icon(scr->get_class(), "EditorIcons")) {
icon = get_icon(scr->get_class(), "EditorIcons");
}
}
} else {
ClassDB::get_signal_list(base, &node_signals, true);
if (has_icon(base, "EditorIcons")) {
icon = get_icon(base, "EditorIcons");
}
name = base;
}
TreeItem *pitem = NULL;
if (node_signals.size()) {
pitem = tree->create_item(root);
pitem->set_text(0, name);
pitem->set_icon(0, icon);
pitem->set_selectable(0, false);
pitem->set_editable(0, false);
pitem->set_custom_bg_color(0, get_color("prop_subsection", "Editor"));
node_signals.sort();
}
for (List<MethodInfo>::Element *E = node_signals.front(); E; E = E->next()) {
MethodInfo &mi = E->get();
String signaldesc;
signaldesc = mi.name + "(";
PoolStringArray argnames;
if (mi.arguments.size()) {
signaldesc += " ";
for (int i = 0; i < mi.arguments.size(); i++) {
PropertyInfo &pi = mi.arguments[i];
if (i > 0)
signaldesc += ", ";
String tname = "var";
if (pi.type != Variant::NIL) {
tname = Variant::get_type_name(pi.type);
}
signaldesc += tname + " " + (pi.name == "" ? String("arg " + itos(i)) : pi.name);
argnames.push_back(pi.name + ":" + tname);
}
signaldesc += " ";
}
signaldesc += ")";
TreeItem *item = tree->create_item(pitem);
item->set_text(0, signaldesc);
Dictionary sinfo;
sinfo["name"] = mi.name;
sinfo["args"] = argnames;
item->set_metadata(0, sinfo);
item->set_icon(0, get_icon("Signal", "EditorIcons"));
List<Object::Connection> connections;
node->get_signal_connection_list(mi.name, &connections);
for (List<Object::Connection>::Element *F = connections.front(); F; F = F->next()) {
Object::Connection &c = F->get();
if (!(c.flags & CONNECT_PERSIST))
continue;
Node *target = Object::cast_to<Node>(c.target);
if (!target)
continue;
String path = String(node->get_path_to(target)) + " :: " + c.method + "()";
if (c.flags & CONNECT_DEFERRED)
path += " (deferred)";
if (c.flags & CONNECT_ONESHOT)
path += " (oneshot)";
if (c.binds.size()) {
path += " binds( ";
for (int i = 0; i < c.binds.size(); i++) {
if (i > 0)
path += ", ";
path += c.binds[i].operator String();
}
path += " )";
}
TreeItem *item2 = tree->create_item(item);
item2->set_text(0, path);
item2->set_metadata(0, c);
item2->set_icon(0, get_icon("Slot", "EditorIcons"));
}
}
if (!did_script) {
did_script = true;
} else {
base = ClassDB::get_parent_class(base);
}
}
connect_button->set_text(TTR("Connect"));
connect_button->set_disabled(true);
}
void ConnectionsDock::set_node(Node *p_node) {
node = p_node;
update_tree();
}
void ConnectionsDock::_something_selected() {
TreeItem *item = tree->get_selected();
if (!item) {
//no idea how this happened, but disable
connect_button->set_text(TTR("Connect..."));
connect_button->set_disabled(true);
} else if (item->get_parent() == tree->get_root() || item->get_parent()->get_parent() == tree->get_root()) {
//a signal - connect
connect_button->set_text(TTR("Connect..."));
connect_button->set_disabled(false);
} else {
//a slot- disconnect
connect_button->set_text(TTR("Disconnect"));
connect_button->set_disabled(false);
}
}
void ConnectionsDock::_something_activated() {
TreeItem *item = tree->get_selected();
if (!item)
return;
if (item->get_parent() == tree->get_root() || item->get_parent()->get_parent() == tree->get_root()) {
// a signal - connect
String signal = item->get_metadata(0).operator Dictionary()["name"];
String midname = node->get_name();
for (int i = 0; i < midname.length(); i++) {
CharType c = midname[i];
if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '_') {
//all good
} else if (c == ' ') {
c = '_';
} else {
midname.remove(i);
i--;
continue;
}
midname[i] = c;
}
connect_dialog->edit(node);
connect_dialog->popup_centered_ratio();
connect_dialog->set_dst_method("_on_" + midname + "_" + signal);
connect_dialog->set_dst_node(node->get_owner() ? node->get_owner() : node);
} else {
// a slot - go to target method
Connection c = item->get_metadata(0);
ERR_FAIL_COND(c.source != node); //shouldn't happen but...bugcheck
if (!c.target)
return;
Ref<Script> script = c.target->get_script();
if (script.is_valid() && ScriptEditor::get_singleton()->script_goto_method(script, c.method)) {
editor->call("_editor_select", EditorNode::EDITOR_SCRIPT);
}
}
}
void ConnectionsDock::_bind_methods() {
ClassDB::bind_method("_connect", &ConnectionsDock::_connect);
ClassDB::bind_method("_something_selected", &ConnectionsDock::_something_selected);
ClassDB::bind_method("_something_activated", &ConnectionsDock::_something_activated);
ClassDB::bind_method("_close", &ConnectionsDock::_close);
ClassDB::bind_method("_connect_pressed", &ConnectionsDock::_connect_pressed);
ClassDB::bind_method("update_tree", &ConnectionsDock::update_tree);
}
ConnectionsDock::ConnectionsDock(EditorNode *p_editor) {
editor = p_editor;
set_name(TTR("Signals"));
VBoxContainer *vbc = this;
tree = memnew(Tree);
tree->set_columns(1);
tree->set_select_mode(Tree::SELECT_ROW);
tree->set_hide_root(true);
vbc->add_child(tree);
tree->set_v_size_flags(SIZE_EXPAND_FILL);
connect_button = memnew(Button);
connect_button->set_text(TTR("Connect"));
HBoxContainer *hb = memnew(HBoxContainer);
vbc->add_child(hb);
hb->add_spacer();
hb->add_child(connect_button);
connect_button->connect("pressed", this, "_connect_pressed");
//add_child(tree);
connect_dialog = memnew(ConnectDialog);
connect_dialog->set_as_toplevel(true);
add_child(connect_dialog);
remove_confirm = memnew(ConfirmationDialog);
remove_confirm->set_as_toplevel(true);
add_child(remove_confirm);
/*
node_only->set_anchor( MARGIN_TOP, ANCHOR_END );
node_only->set_anchor( MARGIN_BOTTOM, ANCHOR_END );
node_only->set_anchor( MARGIN_RIGHT, ANCHOR_END );
node_only->set_begin( Point2( 20,51) );
node_only->set_end( Point2( 10,44) );
*/
remove_confirm->connect("confirmed", this, "_remove_confirm");
connect_dialog->connect("connected", this, "_connect");
tree->connect("item_selected", this, "_something_selected");
tree->connect("item_activated", this, "_something_activated");
add_constant_override("separation", 3 * EDSCALE);
}
ConnectionsDock::~ConnectionsDock() {
}
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