1293 lines
39 KiB
C++
1293 lines
39 KiB
C++
/*************************************************************************/
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/* graph_edit.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "graph_edit.h"
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#include "os/input.h"
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#include "os/keyboard.h"
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#include "scene/gui/box_container.h"
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#define ZOOM_SCALE 1.2
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#define MIN_ZOOM (((1 / ZOOM_SCALE) / ZOOM_SCALE) / ZOOM_SCALE)
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#define MAX_ZOOM (1 * ZOOM_SCALE * ZOOM_SCALE * ZOOM_SCALE)
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bool GraphEditFilter::has_point(const Point2 &p_point) const {
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return ge->_filter_input(p_point);
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}
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GraphEditFilter::GraphEditFilter(GraphEdit *p_edit) {
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ge = p_edit;
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}
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Error GraphEdit::connect_node(const StringName &p_from, int p_from_port, const StringName &p_to, int p_to_port) {
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if (is_node_connected(p_from, p_from_port, p_to, p_to_port))
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return OK;
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Connection c;
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c.from = p_from;
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c.from_port = p_from_port;
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c.to = p_to;
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c.to_port = p_to_port;
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connections.push_back(c);
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top_layer->update();
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update();
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connections_layer->update();
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return OK;
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}
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bool GraphEdit::is_node_connected(const StringName &p_from, int p_from_port, const StringName &p_to, int p_to_port) {
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for (List<Connection>::Element *E = connections.front(); E; E = E->next()) {
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if (E->get().from == p_from && E->get().from_port == p_from_port && E->get().to == p_to && E->get().to_port == p_to_port)
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return true;
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}
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return false;
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}
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void GraphEdit::disconnect_node(const StringName &p_from, int p_from_port, const StringName &p_to, int p_to_port) {
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for (List<Connection>::Element *E = connections.front(); E; E = E->next()) {
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if (E->get().from == p_from && E->get().from_port == p_from_port && E->get().to == p_to && E->get().to_port == p_to_port) {
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connections.erase(E);
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top_layer->update();
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update();
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connections_layer->update();
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return;
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}
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}
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}
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bool GraphEdit::clips_input() const {
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return true;
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}
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void GraphEdit::get_connection_list(List<Connection> *r_connections) const {
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*r_connections = connections;
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}
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void GraphEdit::set_scroll_ofs(const Vector2 &p_ofs) {
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setting_scroll_ofs = true;
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h_scroll->set_value(p_ofs.x);
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v_scroll->set_value(p_ofs.y);
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_update_scroll();
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setting_scroll_ofs = false;
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}
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Vector2 GraphEdit::get_scroll_ofs() const {
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return Vector2(h_scroll->get_value(), v_scroll->get_value());
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}
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void GraphEdit::_scroll_moved(double) {
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if (!awaiting_scroll_offset_update) {
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call_deferred("_update_scroll_offset");
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awaiting_scroll_offset_update = true;
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}
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top_layer->update();
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update();
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if (!setting_scroll_ofs) { //in godot, signals on change value are avoided as a convention
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emit_signal("scroll_offset_changed", get_scroll_ofs());
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}
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}
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void GraphEdit::_update_scroll_offset() {
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set_block_minimum_size_adjust(true);
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for (int i = 0; i < get_child_count(); i++) {
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GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
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if (!gn)
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continue;
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Point2 pos = gn->get_offset() * zoom;
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pos -= Point2(h_scroll->get_value(), v_scroll->get_value());
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gn->set_position(pos);
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if (gn->get_scale() != Vector2(zoom, zoom)) {
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gn->set_scale(Vector2(zoom, zoom));
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}
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}
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connections_layer->set_position(-Point2(h_scroll->get_value(), v_scroll->get_value()));
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set_block_minimum_size_adjust(false);
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awaiting_scroll_offset_update = false;
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}
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void GraphEdit::_update_scroll() {
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if (updating)
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return;
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updating = true;
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set_block_minimum_size_adjust(true);
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Rect2 screen;
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for (int i = 0; i < get_child_count(); i++) {
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GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
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if (!gn)
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continue;
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Rect2 r;
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r.position = gn->get_offset() * zoom;
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r.size = gn->get_size() * zoom;
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screen = screen.merge(r);
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}
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screen.position -= get_size();
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screen.size += get_size() * 2.0;
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h_scroll->set_min(screen.position.x);
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h_scroll->set_max(screen.position.x + screen.size.x);
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h_scroll->set_page(get_size().x);
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if (h_scroll->get_max() - h_scroll->get_min() <= h_scroll->get_page())
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h_scroll->hide();
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else
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h_scroll->show();
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v_scroll->set_min(screen.position.y);
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v_scroll->set_max(screen.position.y + screen.size.y);
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v_scroll->set_page(get_size().y);
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if (v_scroll->get_max() - v_scroll->get_min() <= v_scroll->get_page())
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v_scroll->hide();
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else
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v_scroll->show();
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set_block_minimum_size_adjust(false);
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if (!awaiting_scroll_offset_update) {
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call_deferred("_update_scroll_offset");
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awaiting_scroll_offset_update = true;
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}
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updating = false;
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}
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void GraphEdit::_graph_node_raised(Node *p_gn) {
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GraphNode *gn = Object::cast_to<GraphNode>(p_gn);
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ERR_FAIL_COND(!gn);
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if (gn->is_comment()) {
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move_child(gn, 0);
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} else {
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gn->raise();
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}
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int first_not_comment = 0;
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for (int i = 0; i < get_child_count(); i++) {
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GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
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if (gn && !gn->is_comment()) {
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first_not_comment = i;
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break;
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}
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}
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move_child(connections_layer, first_not_comment);
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top_layer->raise();
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emit_signal("node_selected", p_gn);
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}
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void GraphEdit::_graph_node_moved(Node *p_gn) {
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GraphNode *gn = Object::cast_to<GraphNode>(p_gn);
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ERR_FAIL_COND(!gn);
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top_layer->update();
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update();
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connections_layer->update();
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}
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void GraphEdit::add_child_notify(Node *p_child) {
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Control::add_child_notify(p_child);
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top_layer->call_deferred("raise"); //top layer always on top!
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GraphNode *gn = Object::cast_to<GraphNode>(p_child);
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if (gn) {
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gn->set_scale(Vector2(zoom, zoom));
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gn->connect("offset_changed", this, "_graph_node_moved", varray(gn));
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gn->connect("raise_request", this, "_graph_node_raised", varray(gn));
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gn->connect("item_rect_changed", connections_layer, "update");
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_graph_node_moved(gn);
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gn->set_mouse_filter(MOUSE_FILTER_PASS);
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}
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}
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void GraphEdit::remove_child_notify(Node *p_child) {
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Control::remove_child_notify(p_child);
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top_layer->call_deferred("raise"); //top layer always on top!
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GraphNode *gn = Object::cast_to<GraphNode>(p_child);
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if (gn) {
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gn->disconnect("offset_changed", this, "_graph_node_moved");
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gn->disconnect("raise_request", this, "_graph_node_raised");
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}
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}
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void GraphEdit::_notification(int p_what) {
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if (p_what == NOTIFICATION_READY) {
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Size2 hmin = h_scroll->get_combined_minimum_size();
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Size2 vmin = v_scroll->get_combined_minimum_size();
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v_scroll->set_anchor_and_margin(MARGIN_LEFT, ANCHOR_END, -vmin.width);
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v_scroll->set_anchor_and_margin(MARGIN_RIGHT, ANCHOR_END, 0);
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v_scroll->set_anchor_and_margin(MARGIN_TOP, ANCHOR_BEGIN, 0);
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v_scroll->set_anchor_and_margin(MARGIN_BOTTOM, ANCHOR_END, 0);
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h_scroll->set_anchor_and_margin(MARGIN_LEFT, ANCHOR_BEGIN, 0);
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h_scroll->set_anchor_and_margin(MARGIN_RIGHT, ANCHOR_END, 0);
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h_scroll->set_anchor_and_margin(MARGIN_TOP, ANCHOR_END, -hmin.height);
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h_scroll->set_anchor_and_margin(MARGIN_BOTTOM, ANCHOR_END, 0);
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zoom_minus->set_icon(get_icon("minus"));
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zoom_reset->set_icon(get_icon("reset"));
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zoom_plus->set_icon(get_icon("more"));
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snap_button->set_icon(get_icon("snap"));
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}
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if (p_what == NOTIFICATION_DRAW) {
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draw_style_box(get_stylebox("bg"), Rect2(Point2(), get_size()));
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if (is_using_snap()) {
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//draw grid
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int snap = get_snap();
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Vector2 offset = get_scroll_ofs() / zoom;
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Size2 size = get_size() / zoom;
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Point2i from = (offset / float(snap)).floor();
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Point2i len = (size / float(snap)).floor() + Vector2(1, 1);
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Color grid_minor = get_color("grid_minor");
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Color grid_major = get_color("grid_major");
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for (int i = from.x; i < from.x + len.x; i++) {
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Color color;
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if (ABS(i) % 10 == 0)
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color = grid_major;
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else
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color = grid_minor;
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float base_ofs = i * snap * zoom - offset.x * zoom;
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draw_line(Vector2(base_ofs, 0), Vector2(base_ofs, get_size().height), color);
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}
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for (int i = from.y; i < from.y + len.y; i++) {
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Color color;
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if (ABS(i) % 10 == 0)
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color = grid_major;
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else
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color = grid_minor;
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float base_ofs = i * snap * zoom - offset.y * zoom;
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draw_line(Vector2(0, base_ofs), Vector2(get_size().width, base_ofs), color);
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}
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}
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}
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if (p_what == NOTIFICATION_RESIZED) {
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_update_scroll();
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top_layer->update();
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}
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}
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bool GraphEdit::_filter_input(const Point2 &p_point) {
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Ref<Texture> port = get_icon("port", "GraphNode");
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float grab_r_extend = 2.0;
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float grab_r = port->get_width() * 0.5 * grab_r_extend;
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for (int i = get_child_count() - 1; i >= 0; i--) {
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GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
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if (!gn)
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continue;
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for (int j = 0; j < gn->get_connection_output_count(); j++) {
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Vector2 pos = gn->get_connection_output_position(j) + gn->get_position();
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if (pos.distance_to(p_point) < grab_r)
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return true;
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}
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for (int j = 0; j < gn->get_connection_input_count(); j++) {
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Vector2 pos = gn->get_connection_input_position(j) + gn->get_position();
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if (pos.distance_to(p_point) < grab_r) {
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return true;
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}
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}
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}
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return false;
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}
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void GraphEdit::_top_layer_input(const Ref<InputEvent> &p_ev) {
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float grab_r_extend = 2.0;
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Ref<InputEventMouseButton> mb = p_ev;
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if (mb.is_valid() && mb->get_button_index() == BUTTON_LEFT && mb->is_pressed()) {
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Ref<Texture> port = get_icon("port", "GraphNode");
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Vector2 mpos(mb->get_position().x, mb->get_position().y);
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float grab_r = port->get_width() * 0.5 * grab_r_extend;
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for (int i = get_child_count() - 1; i >= 0; i--) {
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GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
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if (!gn)
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continue;
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for (int j = 0; j < gn->get_connection_output_count(); j++) {
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Vector2 pos = gn->get_connection_output_position(j) + gn->get_position();
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if (pos.distance_to(mpos) < grab_r) {
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if (valid_left_disconnect_types.has(gn->get_connection_output_type(j))) {
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//check disconnect
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for (List<Connection>::Element *E = connections.front(); E; E = E->next()) {
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if (E->get().from == gn->get_name() && E->get().from_port == j) {
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Node *to = get_node(String(E->get().to));
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if (Object::cast_to<GraphNode>(to)) {
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connecting_from = E->get().to;
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connecting_index = E->get().to_port;
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connecting_out = false;
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connecting_type = Object::cast_to<GraphNode>(to)->get_connection_input_type(E->get().to_port);
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connecting_color = Object::cast_to<GraphNode>(to)->get_connection_input_color(E->get().to_port);
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connecting_target = false;
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connecting_to = pos;
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just_disconected = true;
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emit_signal("disconnection_request", E->get().from, E->get().from_port, E->get().to, E->get().to_port);
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to = get_node(String(connecting_from)); //maybe it was erased
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if (Object::cast_to<GraphNode>(to)) {
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connecting = true;
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}
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return;
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}
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}
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}
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}
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connecting = true;
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connecting_from = gn->get_name();
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connecting_index = j;
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connecting_out = true;
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connecting_type = gn->get_connection_output_type(j);
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connecting_color = gn->get_connection_output_color(j);
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connecting_target = false;
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connecting_to = pos;
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just_disconected = false;
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return;
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}
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}
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for (int j = 0; j < gn->get_connection_input_count(); j++) {
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Vector2 pos = gn->get_connection_input_position(j) + gn->get_position();
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if (pos.distance_to(mpos) < grab_r) {
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if (right_disconnects || valid_right_disconnect_types.has(gn->get_connection_input_type(j))) {
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//check disconnect
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for (List<Connection>::Element *E = connections.front(); E; E = E->next()) {
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if (E->get().to == gn->get_name() && E->get().to_port == j) {
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Node *fr = get_node(String(E->get().from));
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if (Object::cast_to<GraphNode>(fr)) {
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connecting_from = E->get().from;
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connecting_index = E->get().from_port;
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connecting_out = true;
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connecting_type = Object::cast_to<GraphNode>(fr)->get_connection_output_type(E->get().from_port);
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connecting_color = Object::cast_to<GraphNode>(fr)->get_connection_output_color(E->get().from_port);
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connecting_target = false;
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connecting_to = pos;
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just_disconected = true;
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emit_signal("disconnection_request", E->get().from, E->get().from_port, E->get().to, E->get().to_port);
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fr = get_node(String(connecting_from)); //maybe it was erased
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if (Object::cast_to<GraphNode>(fr)) {
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connecting = true;
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}
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return;
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}
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}
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}
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}
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connecting = true;
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connecting_from = gn->get_name();
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connecting_index = j;
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connecting_out = false;
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connecting_type = gn->get_connection_input_type(j);
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connecting_color = gn->get_connection_input_color(j);
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connecting_target = false;
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connecting_to = pos;
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just_disconected = true;
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return;
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}
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}
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}
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}
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Ref<InputEventMouseMotion> mm = p_ev;
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if (mm.is_valid() && connecting) {
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connecting_to = mm->get_position();
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connecting_target = false;
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top_layer->update();
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Ref<Texture> port = get_icon("port", "GraphNode");
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Vector2 mpos = mm->get_position();
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float grab_r = port->get_width() * 0.5 * grab_r_extend;
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for (int i = get_child_count() - 1; i >= 0; i--) {
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|
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
|
|
if (!gn)
|
|
continue;
|
|
|
|
if (!connecting_out) {
|
|
for (int j = 0; j < gn->get_connection_output_count(); j++) {
|
|
|
|
Vector2 pos = gn->get_connection_output_position(j) + gn->get_position();
|
|
int type = gn->get_connection_output_type(j);
|
|
if ((type == connecting_type || valid_connection_types.has(ConnType(type, connecting_type))) && pos.distance_to(mpos) < grab_r) {
|
|
|
|
connecting_target = true;
|
|
connecting_to = pos;
|
|
connecting_target_to = gn->get_name();
|
|
connecting_target_index = j;
|
|
return;
|
|
}
|
|
}
|
|
} else {
|
|
|
|
for (int j = 0; j < gn->get_connection_input_count(); j++) {
|
|
|
|
Vector2 pos = gn->get_connection_input_position(j) + gn->get_position();
|
|
int type = gn->get_connection_input_type(j);
|
|
if ((type == connecting_type || valid_connection_types.has(ConnType(type, connecting_type))) && pos.distance_to(mpos) < grab_r) {
|
|
connecting_target = true;
|
|
connecting_to = pos;
|
|
connecting_target_to = gn->get_name();
|
|
connecting_target_index = j;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mb.is_valid() && mb->get_button_index() == BUTTON_LEFT && !mb->is_pressed()) {
|
|
|
|
if (connecting && connecting_target) {
|
|
|
|
String from = connecting_from;
|
|
int from_slot = connecting_index;
|
|
String to = connecting_target_to;
|
|
int to_slot = connecting_target_index;
|
|
|
|
if (!connecting_out) {
|
|
SWAP(from, to);
|
|
SWAP(from_slot, to_slot);
|
|
}
|
|
emit_signal("connection_request", from, from_slot, to, to_slot);
|
|
|
|
} else if (!just_disconected) {
|
|
String from = connecting_from;
|
|
int from_slot = connecting_index;
|
|
Vector2 ofs = Vector2(mb->get_position().x, mb->get_position().y);
|
|
emit_signal("connection_to_empty", from, from_slot, ofs);
|
|
}
|
|
connecting = false;
|
|
top_layer->update();
|
|
update();
|
|
connections_layer->update();
|
|
}
|
|
}
|
|
|
|
template <class Vector2>
|
|
static _FORCE_INLINE_ Vector2 _bezier_interp(real_t t, Vector2 start, Vector2 control_1, Vector2 control_2, Vector2 end) {
|
|
/* Formula from Wikipedia article on Bezier curves. */
|
|
real_t omt = (1.0 - t);
|
|
real_t omt2 = omt * omt;
|
|
real_t omt3 = omt2 * omt;
|
|
real_t t2 = t * t;
|
|
real_t t3 = t2 * t;
|
|
|
|
return start * omt3 + control_1 * omt2 * t * 3.0 + control_2 * omt * t2 * 3.0 + end * t3;
|
|
}
|
|
|
|
void GraphEdit::_bake_segment2d(Vector<Vector2> &points, Vector<Color> &colors, float p_begin, float p_end, const Vector2 &p_a, const Vector2 &p_out, const Vector2 &p_b, const Vector2 &p_in, int p_depth, int p_min_depth, int p_max_depth, float p_tol, const Color &p_color, const Color &p_to_color, int &lines) const {
|
|
|
|
float mp = p_begin + (p_end - p_begin) * 0.5;
|
|
Vector2 beg = _bezier_interp(p_begin, p_a, p_a + p_out, p_b + p_in, p_b);
|
|
Vector2 mid = _bezier_interp(mp, p_a, p_a + p_out, p_b + p_in, p_b);
|
|
Vector2 end = _bezier_interp(p_end, p_a, p_a + p_out, p_b + p_in, p_b);
|
|
|
|
Vector2 na = (mid - beg).normalized();
|
|
Vector2 nb = (end - mid).normalized();
|
|
float dp = Math::rad2deg(Math::acos(na.dot(nb)));
|
|
|
|
if (p_depth >= p_min_depth && (dp < p_tol || p_depth >= p_max_depth)) {
|
|
|
|
points.push_back((beg + end) * 0.5);
|
|
colors.push_back(p_color.linear_interpolate(p_to_color, mp));
|
|
lines++;
|
|
} else {
|
|
_bake_segment2d(points, colors, p_begin, mp, p_a, p_out, p_b, p_in, p_depth + 1, p_min_depth, p_max_depth, p_tol, p_color, p_to_color, lines);
|
|
_bake_segment2d(points, colors, mp, p_end, p_a, p_out, p_b, p_in, p_depth + 1, p_min_depth, p_max_depth, p_tol, p_color, p_to_color, lines);
|
|
}
|
|
}
|
|
|
|
void GraphEdit::_draw_cos_line(CanvasItem *p_where, const Vector2 &p_from, const Vector2 &p_to, const Color &p_color, const Color &p_to_color) {
|
|
|
|
//cubic bezier code
|
|
float diff = p_to.x - p_from.x;
|
|
float cp_offset;
|
|
int cp_len = get_constant("bezier_len_pos");
|
|
int cp_neg_len = get_constant("bezier_len_neg");
|
|
|
|
if (diff > 0) {
|
|
cp_offset = MIN(cp_len, diff * 0.5);
|
|
} else {
|
|
cp_offset = MAX(MIN(cp_len - diff, cp_neg_len), -diff * 0.5);
|
|
}
|
|
|
|
Vector2 c1 = Vector2(cp_offset * zoom, 0);
|
|
Vector2 c2 = Vector2(-cp_offset * zoom, 0);
|
|
|
|
int lines = 0;
|
|
|
|
Vector<Point2> points;
|
|
Vector<Color> colors;
|
|
points.push_back(p_from);
|
|
colors.push_back(p_color);
|
|
_bake_segment2d(points, colors, 0, 1, p_from, c1, p_to, c2, 0, 3, 9, 8, p_color, p_to_color, lines);
|
|
points.push_back(p_to);
|
|
colors.push_back(p_to_color);
|
|
|
|
p_where->draw_polyline_colors(points, colors, 2, true);
|
|
}
|
|
|
|
void GraphEdit::_connections_layer_draw() {
|
|
|
|
//draw connections
|
|
List<List<Connection>::Element *> to_erase;
|
|
for (List<Connection>::Element *E = connections.front(); E; E = E->next()) {
|
|
|
|
NodePath fromnp(E->get().from);
|
|
|
|
Node *from = get_node(fromnp);
|
|
if (!from) {
|
|
to_erase.push_back(E);
|
|
continue;
|
|
}
|
|
|
|
GraphNode *gfrom = Object::cast_to<GraphNode>(from);
|
|
|
|
if (!gfrom) {
|
|
to_erase.push_back(E);
|
|
continue;
|
|
}
|
|
|
|
NodePath tonp(E->get().to);
|
|
Node *to = get_node(tonp);
|
|
if (!to) {
|
|
to_erase.push_back(E);
|
|
continue;
|
|
}
|
|
|
|
GraphNode *gto = Object::cast_to<GraphNode>(to);
|
|
|
|
if (!gto) {
|
|
to_erase.push_back(E);
|
|
continue;
|
|
}
|
|
|
|
Vector2 frompos = gfrom->get_connection_output_position(E->get().from_port) + gfrom->get_offset() * zoom;
|
|
Color color = gfrom->get_connection_output_color(E->get().from_port);
|
|
Vector2 topos = gto->get_connection_input_position(E->get().to_port) + gto->get_offset() * zoom;
|
|
Color tocolor = gto->get_connection_input_color(E->get().to_port);
|
|
_draw_cos_line(connections_layer, frompos, topos, color, tocolor);
|
|
}
|
|
|
|
while (to_erase.size()) {
|
|
connections.erase(to_erase.front()->get());
|
|
to_erase.pop_front();
|
|
}
|
|
}
|
|
|
|
void GraphEdit::_top_layer_draw() {
|
|
|
|
_update_scroll();
|
|
|
|
if (connecting) {
|
|
|
|
Node *fromn = get_node(connecting_from);
|
|
ERR_FAIL_COND(!fromn);
|
|
GraphNode *from = Object::cast_to<GraphNode>(fromn);
|
|
ERR_FAIL_COND(!from);
|
|
Vector2 pos;
|
|
if (connecting_out)
|
|
pos = from->get_connection_output_position(connecting_index);
|
|
else
|
|
pos = from->get_connection_input_position(connecting_index);
|
|
pos += from->get_position();
|
|
|
|
Vector2 topos;
|
|
topos = connecting_to;
|
|
|
|
Color col = connecting_color;
|
|
|
|
if (connecting_target) {
|
|
col.r += 0.4;
|
|
col.g += 0.4;
|
|
col.b += 0.4;
|
|
}
|
|
|
|
if (!connecting_out) {
|
|
SWAP(pos, topos);
|
|
}
|
|
_draw_cos_line(top_layer, pos, topos, col, col);
|
|
}
|
|
|
|
if (box_selecting)
|
|
top_layer->draw_rect(box_selecting_rect, Color(0.7, 0.7, 1.0, 0.3));
|
|
}
|
|
|
|
void GraphEdit::set_selected(Node *p_child) {
|
|
|
|
for (int i = get_child_count() - 1; i >= 0; i--) {
|
|
|
|
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
|
|
if (!gn)
|
|
continue;
|
|
|
|
gn->set_selected(gn == p_child);
|
|
}
|
|
}
|
|
|
|
void GraphEdit::_gui_input(const Ref<InputEvent> &p_ev) {
|
|
|
|
Ref<InputEventMouseMotion> mm = p_ev;
|
|
if (mm.is_valid() && (mm->get_button_mask() & BUTTON_MASK_MIDDLE || (mm->get_button_mask() & BUTTON_MASK_LEFT && Input::get_singleton()->is_key_pressed(KEY_SPACE)))) {
|
|
h_scroll->set_value(h_scroll->get_value() - mm->get_relative().x);
|
|
v_scroll->set_value(v_scroll->get_value() - mm->get_relative().y);
|
|
}
|
|
|
|
if (mm.is_valid() && dragging) {
|
|
|
|
just_selected = true;
|
|
// TODO: Remove local mouse pos hack if/when InputEventMouseMotion is fixed to support floats
|
|
//drag_accum+=Vector2(mm->get_relative().x,mm->get_relative().y);
|
|
drag_accum = get_local_mouse_position() - drag_origin;
|
|
for (int i = get_child_count() - 1; i >= 0; i--) {
|
|
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
|
|
if (gn && gn->is_selected()) {
|
|
|
|
Vector2 pos = (gn->get_drag_from() * zoom + drag_accum) / zoom;
|
|
if (is_using_snap()) {
|
|
int snap = get_snap();
|
|
pos = pos.snapped(Vector2(snap, snap));
|
|
}
|
|
|
|
gn->set_offset(pos);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mm.is_valid() && box_selecting) {
|
|
box_selecting_to = get_local_mouse_position();
|
|
|
|
box_selecting_rect = Rect2(MIN(box_selecting_from.x, box_selecting_to.x),
|
|
MIN(box_selecting_from.y, box_selecting_to.y),
|
|
ABS(box_selecting_from.x - box_selecting_to.x),
|
|
ABS(box_selecting_from.y - box_selecting_to.y));
|
|
|
|
for (int i = get_child_count() - 1; i >= 0; i--) {
|
|
|
|
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
|
|
if (!gn)
|
|
continue;
|
|
|
|
Rect2 r = gn->get_rect();
|
|
r.size *= zoom;
|
|
bool in_box = r.intersects(box_selecting_rect);
|
|
|
|
if (in_box)
|
|
gn->set_selected(box_selection_mode_aditive);
|
|
else
|
|
gn->set_selected(previus_selected.find(gn) != NULL);
|
|
}
|
|
|
|
top_layer->update();
|
|
}
|
|
|
|
Ref<InputEventMouseButton> b = p_ev;
|
|
if (b.is_valid()) {
|
|
|
|
if (b->get_button_index() == BUTTON_RIGHT && b->is_pressed()) {
|
|
if (box_selecting) {
|
|
box_selecting = false;
|
|
for (int i = get_child_count() - 1; i >= 0; i--) {
|
|
|
|
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
|
|
if (!gn)
|
|
continue;
|
|
|
|
gn->set_selected(previus_selected.find(gn) != NULL);
|
|
}
|
|
top_layer->update();
|
|
} else {
|
|
if (connecting) {
|
|
connecting = false;
|
|
top_layer->update();
|
|
} else {
|
|
emit_signal("popup_request", b->get_global_position());
|
|
}
|
|
}
|
|
}
|
|
|
|
if (b->get_button_index() == BUTTON_LEFT && !b->is_pressed() && dragging) {
|
|
if (!just_selected && drag_accum == Vector2() && Input::get_singleton()->is_key_pressed(KEY_CONTROL)) {
|
|
//deselect current node
|
|
for (int i = get_child_count() - 1; i >= 0; i--) {
|
|
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
|
|
|
|
if (gn) {
|
|
Rect2 r = gn->get_rect();
|
|
r.size *= zoom;
|
|
if (r.has_point(get_local_mouse_position()))
|
|
gn->set_selected(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (drag_accum != Vector2()) {
|
|
|
|
emit_signal("_begin_node_move");
|
|
|
|
for (int i = get_child_count() - 1; i >= 0; i--) {
|
|
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
|
|
if (gn && gn->is_selected())
|
|
gn->set_drag(false);
|
|
}
|
|
|
|
emit_signal("_end_node_move");
|
|
}
|
|
|
|
dragging = false;
|
|
|
|
top_layer->update();
|
|
update();
|
|
connections_layer->update();
|
|
}
|
|
|
|
if (b->get_button_index() == BUTTON_LEFT && b->is_pressed()) {
|
|
|
|
GraphNode *gn = NULL;
|
|
|
|
for (int i = get_child_count() - 1; i >= 0; i--) {
|
|
|
|
GraphNode *gn_selected = Object::cast_to<GraphNode>(get_child(i));
|
|
|
|
if (gn_selected) {
|
|
if (gn_selected->is_resizing())
|
|
continue;
|
|
|
|
if (gn_selected->has_point(gn_selected->get_local_mouse_position())) {
|
|
gn = gn_selected;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (gn) {
|
|
|
|
if (_filter_input(b->get_position()))
|
|
return;
|
|
|
|
dragging = true;
|
|
drag_accum = Vector2();
|
|
drag_origin = get_local_mouse_position();
|
|
just_selected = !gn->is_selected();
|
|
if (!gn->is_selected() && !Input::get_singleton()->is_key_pressed(KEY_CONTROL)) {
|
|
for (int i = 0; i < get_child_count(); i++) {
|
|
GraphNode *o_gn = Object::cast_to<GraphNode>(get_child(i));
|
|
if (o_gn)
|
|
o_gn->set_selected(o_gn == gn);
|
|
}
|
|
}
|
|
|
|
gn->set_selected(true);
|
|
for (int i = 0; i < get_child_count(); i++) {
|
|
GraphNode *o_gn = Object::cast_to<GraphNode>(get_child(i));
|
|
if (!o_gn)
|
|
continue;
|
|
if (o_gn->is_selected())
|
|
o_gn->set_drag(true);
|
|
}
|
|
|
|
} else {
|
|
if (_filter_input(b->get_position()))
|
|
return;
|
|
if (Input::get_singleton()->is_key_pressed(KEY_SPACE))
|
|
return;
|
|
|
|
box_selecting = true;
|
|
box_selecting_from = get_local_mouse_position();
|
|
if (b->get_control()) {
|
|
box_selection_mode_aditive = true;
|
|
previus_selected.clear();
|
|
for (int i = get_child_count() - 1; i >= 0; i--) {
|
|
|
|
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
|
|
if (!gn || !gn->is_selected())
|
|
continue;
|
|
|
|
previus_selected.push_back(gn);
|
|
}
|
|
} else if (b->get_shift()) {
|
|
box_selection_mode_aditive = false;
|
|
previus_selected.clear();
|
|
for (int i = get_child_count() - 1; i >= 0; i--) {
|
|
|
|
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
|
|
if (!gn || !gn->is_selected())
|
|
continue;
|
|
|
|
previus_selected.push_back(gn);
|
|
}
|
|
} else {
|
|
box_selection_mode_aditive = true;
|
|
previus_selected.clear();
|
|
for (int i = get_child_count() - 1; i >= 0; i--) {
|
|
|
|
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
|
|
if (!gn)
|
|
continue;
|
|
|
|
gn->set_selected(false);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (b->get_button_index() == BUTTON_LEFT && !b->is_pressed() && box_selecting) {
|
|
box_selecting = false;
|
|
previus_selected.clear();
|
|
top_layer->update();
|
|
}
|
|
|
|
if (b->get_button_index() == BUTTON_WHEEL_UP && b->is_pressed()) {
|
|
//too difficult to get right
|
|
//set_zoom(zoom*ZOOM_SCALE);
|
|
}
|
|
|
|
if (b->get_button_index() == BUTTON_WHEEL_DOWN && b->is_pressed()) {
|
|
//too difficult to get right
|
|
//set_zoom(zoom/ZOOM_SCALE);
|
|
}
|
|
if (b->get_button_index() == BUTTON_WHEEL_UP && !Input::get_singleton()->is_key_pressed(KEY_SHIFT)) {
|
|
v_scroll->set_value(v_scroll->get_value() - v_scroll->get_page() * b->get_factor() / 8);
|
|
}
|
|
if (b->get_button_index() == BUTTON_WHEEL_DOWN && !Input::get_singleton()->is_key_pressed(KEY_SHIFT)) {
|
|
v_scroll->set_value(v_scroll->get_value() + v_scroll->get_page() * b->get_factor() / 8);
|
|
}
|
|
if (b->get_button_index() == BUTTON_WHEEL_RIGHT || (b->get_button_index() == BUTTON_WHEEL_DOWN && Input::get_singleton()->is_key_pressed(KEY_SHIFT))) {
|
|
h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() * b->get_factor() / 8);
|
|
}
|
|
if (b->get_button_index() == BUTTON_WHEEL_LEFT || (b->get_button_index() == BUTTON_WHEEL_UP && Input::get_singleton()->is_key_pressed(KEY_SHIFT))) {
|
|
h_scroll->set_value(h_scroll->get_value() - h_scroll->get_page() * b->get_factor() / 8);
|
|
}
|
|
}
|
|
|
|
Ref<InputEventKey> k = p_ev;
|
|
if (k.is_valid() && k->get_scancode() == KEY_D && k->is_pressed() && k->get_command()) {
|
|
emit_signal("duplicate_nodes_request");
|
|
accept_event();
|
|
}
|
|
|
|
if (k.is_valid() && k->get_scancode() == KEY_DELETE && k->is_pressed()) {
|
|
emit_signal("delete_nodes_request");
|
|
accept_event();
|
|
}
|
|
|
|
Ref<InputEventMagnifyGesture> magnify_gesture = p_ev;
|
|
if (magnify_gesture.is_valid()) {
|
|
|
|
set_zoom_custom(zoom * magnify_gesture->get_factor(), magnify_gesture->get_position());
|
|
}
|
|
|
|
Ref<InputEventPanGesture> pan_gesture = p_ev;
|
|
if (pan_gesture.is_valid()) {
|
|
|
|
h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() * pan_gesture->get_delta().x / 8);
|
|
v_scroll->set_value(v_scroll->get_value() + v_scroll->get_page() * pan_gesture->get_delta().y / 8);
|
|
}
|
|
}
|
|
|
|
void GraphEdit::clear_connections() {
|
|
|
|
connections.clear();
|
|
update();
|
|
connections_layer->update();
|
|
}
|
|
|
|
void GraphEdit::set_zoom(float p_zoom) {
|
|
|
|
set_zoom_custom(p_zoom, get_size() / 2);
|
|
}
|
|
|
|
void GraphEdit::set_zoom_custom(float p_zoom, const Vector2 &p_center) {
|
|
|
|
p_zoom = CLAMP(p_zoom, MIN_ZOOM, MAX_ZOOM);
|
|
if (zoom == p_zoom)
|
|
return;
|
|
|
|
zoom_minus->set_disabled(zoom == MIN_ZOOM);
|
|
zoom_plus->set_disabled(zoom == MAX_ZOOM);
|
|
|
|
Vector2 sbofs = (Vector2(h_scroll->get_value(), v_scroll->get_value()) + p_center) / zoom;
|
|
|
|
zoom = p_zoom;
|
|
top_layer->update();
|
|
|
|
_update_scroll();
|
|
connections_layer->update();
|
|
|
|
if (is_visible_in_tree()) {
|
|
|
|
Vector2 ofs = sbofs * zoom - p_center;
|
|
h_scroll->set_value(ofs.x);
|
|
v_scroll->set_value(ofs.y);
|
|
}
|
|
|
|
update();
|
|
}
|
|
|
|
float GraphEdit::get_zoom() const {
|
|
return zoom;
|
|
}
|
|
|
|
void GraphEdit::set_right_disconnects(bool p_enable) {
|
|
|
|
right_disconnects = p_enable;
|
|
}
|
|
|
|
bool GraphEdit::is_right_disconnects_enabled() const {
|
|
|
|
return right_disconnects;
|
|
}
|
|
|
|
void GraphEdit::add_valid_right_disconnect_type(int p_type) {
|
|
|
|
valid_right_disconnect_types.insert(p_type);
|
|
}
|
|
|
|
void GraphEdit::remove_valid_right_disconnect_type(int p_type) {
|
|
|
|
valid_right_disconnect_types.erase(p_type);
|
|
}
|
|
|
|
void GraphEdit::add_valid_left_disconnect_type(int p_type) {
|
|
|
|
valid_left_disconnect_types.insert(p_type);
|
|
}
|
|
|
|
void GraphEdit::remove_valid_left_disconnect_type(int p_type) {
|
|
|
|
valid_left_disconnect_types.erase(p_type);
|
|
}
|
|
|
|
Array GraphEdit::_get_connection_list() const {
|
|
|
|
List<Connection> conns;
|
|
get_connection_list(&conns);
|
|
Array arr;
|
|
for (List<Connection>::Element *E = conns.front(); E; E = E->next()) {
|
|
Dictionary d;
|
|
d["from"] = E->get().from;
|
|
d["from_port"] = E->get().from_port;
|
|
d["to"] = E->get().to;
|
|
d["to_port"] = E->get().to_port;
|
|
arr.push_back(d);
|
|
}
|
|
return arr;
|
|
}
|
|
|
|
void GraphEdit::_zoom_minus() {
|
|
|
|
set_zoom(zoom / ZOOM_SCALE);
|
|
}
|
|
void GraphEdit::_zoom_reset() {
|
|
|
|
set_zoom(1);
|
|
}
|
|
|
|
void GraphEdit::_zoom_plus() {
|
|
|
|
set_zoom(zoom * ZOOM_SCALE);
|
|
}
|
|
|
|
void GraphEdit::add_valid_connection_type(int p_type, int p_with_type) {
|
|
|
|
ConnType ct;
|
|
ct.type_a = p_type;
|
|
ct.type_b = p_with_type;
|
|
|
|
valid_connection_types.insert(ct);
|
|
}
|
|
|
|
void GraphEdit::remove_valid_connection_type(int p_type, int p_with_type) {
|
|
|
|
ConnType ct;
|
|
ct.type_a = p_type;
|
|
ct.type_b = p_with_type;
|
|
|
|
valid_connection_types.erase(ct);
|
|
}
|
|
|
|
bool GraphEdit::is_valid_connection_type(int p_type, int p_with_type) const {
|
|
|
|
ConnType ct;
|
|
ct.type_a = p_type;
|
|
ct.type_b = p_with_type;
|
|
|
|
return valid_connection_types.has(ct);
|
|
}
|
|
|
|
void GraphEdit::set_use_snap(bool p_enable) {
|
|
|
|
snap_button->set_pressed(p_enable);
|
|
update();
|
|
}
|
|
|
|
bool GraphEdit::is_using_snap() const {
|
|
|
|
return snap_button->is_pressed();
|
|
}
|
|
|
|
int GraphEdit::get_snap() const {
|
|
|
|
return snap_amount->get_value();
|
|
}
|
|
|
|
void GraphEdit::set_snap(int p_snap) {
|
|
|
|
ERR_FAIL_COND(p_snap < 5);
|
|
snap_amount->set_value(p_snap);
|
|
update();
|
|
}
|
|
void GraphEdit::_snap_toggled() {
|
|
update();
|
|
}
|
|
|
|
void GraphEdit::_snap_value_changed(double) {
|
|
|
|
update();
|
|
}
|
|
|
|
void GraphEdit::_bind_methods() {
|
|
|
|
ClassDB::bind_method(D_METHOD("connect_node", "from", "from_port", "to", "to_port"), &GraphEdit::connect_node);
|
|
ClassDB::bind_method(D_METHOD("is_node_connected", "from", "from_port", "to", "to_port"), &GraphEdit::is_node_connected);
|
|
ClassDB::bind_method(D_METHOD("disconnect_node", "from", "from_port", "to", "to_port"), &GraphEdit::disconnect_node);
|
|
ClassDB::bind_method(D_METHOD("get_connection_list"), &GraphEdit::_get_connection_list);
|
|
ClassDB::bind_method(D_METHOD("clear_connections"), &GraphEdit::clear_connections);
|
|
ClassDB::bind_method(D_METHOD("get_scroll_ofs"), &GraphEdit::get_scroll_ofs);
|
|
ClassDB::bind_method(D_METHOD("set_scroll_ofs", "ofs"), &GraphEdit::set_scroll_ofs);
|
|
|
|
ClassDB::bind_method(D_METHOD("add_valid_right_disconnect_type", "type"), &GraphEdit::add_valid_right_disconnect_type);
|
|
ClassDB::bind_method(D_METHOD("remove_valid_right_disconnect_type", "type"), &GraphEdit::remove_valid_right_disconnect_type);
|
|
ClassDB::bind_method(D_METHOD("add_valid_left_disconnect_type", "type"), &GraphEdit::add_valid_left_disconnect_type);
|
|
ClassDB::bind_method(D_METHOD("remove_valid_left_disconnect_type", "type"), &GraphEdit::remove_valid_left_disconnect_type);
|
|
ClassDB::bind_method(D_METHOD("add_valid_connection_type", "from_type", "to_type"), &GraphEdit::add_valid_connection_type);
|
|
ClassDB::bind_method(D_METHOD("remove_valid_connection_type", "from_type", "to_type"), &GraphEdit::remove_valid_connection_type);
|
|
ClassDB::bind_method(D_METHOD("is_valid_connection_type", "from_type", "to_type"), &GraphEdit::is_valid_connection_type);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_zoom", "p_zoom"), &GraphEdit::set_zoom);
|
|
ClassDB::bind_method(D_METHOD("get_zoom"), &GraphEdit::get_zoom);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_snap", "pixels"), &GraphEdit::set_snap);
|
|
ClassDB::bind_method(D_METHOD("get_snap"), &GraphEdit::get_snap);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_use_snap", "enable"), &GraphEdit::set_use_snap);
|
|
ClassDB::bind_method(D_METHOD("is_using_snap"), &GraphEdit::is_using_snap);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_right_disconnects", "enable"), &GraphEdit::set_right_disconnects);
|
|
ClassDB::bind_method(D_METHOD("is_right_disconnects_enabled"), &GraphEdit::is_right_disconnects_enabled);
|
|
|
|
ClassDB::bind_method(D_METHOD("_graph_node_moved"), &GraphEdit::_graph_node_moved);
|
|
ClassDB::bind_method(D_METHOD("_graph_node_raised"), &GraphEdit::_graph_node_raised);
|
|
|
|
ClassDB::bind_method(D_METHOD("_top_layer_input"), &GraphEdit::_top_layer_input);
|
|
ClassDB::bind_method(D_METHOD("_top_layer_draw"), &GraphEdit::_top_layer_draw);
|
|
ClassDB::bind_method(D_METHOD("_scroll_moved"), &GraphEdit::_scroll_moved);
|
|
ClassDB::bind_method(D_METHOD("_zoom_minus"), &GraphEdit::_zoom_minus);
|
|
ClassDB::bind_method(D_METHOD("_zoom_reset"), &GraphEdit::_zoom_reset);
|
|
ClassDB::bind_method(D_METHOD("_zoom_plus"), &GraphEdit::_zoom_plus);
|
|
ClassDB::bind_method(D_METHOD("_snap_toggled"), &GraphEdit::_snap_toggled);
|
|
ClassDB::bind_method(D_METHOD("_snap_value_changed"), &GraphEdit::_snap_value_changed);
|
|
|
|
ClassDB::bind_method(D_METHOD("_gui_input"), &GraphEdit::_gui_input);
|
|
ClassDB::bind_method(D_METHOD("_update_scroll_offset"), &GraphEdit::_update_scroll_offset);
|
|
ClassDB::bind_method(D_METHOD("_connections_layer_draw"), &GraphEdit::_connections_layer_draw);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_selected", "node"), &GraphEdit::set_selected);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "right_disconnects"), "set_right_disconnects", "is_right_disconnects_enabled");
|
|
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scroll_offset"), "set_scroll_ofs", "get_scroll_ofs");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "snap_distance"), "set_snap", "get_snap");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_snap"), "set_use_snap", "is_using_snap");
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "zoom"), "set_zoom", "get_zoom");
|
|
|
|
ADD_SIGNAL(MethodInfo("connection_request", PropertyInfo(Variant::STRING, "from"), PropertyInfo(Variant::INT, "from_slot"), PropertyInfo(Variant::STRING, "to"), PropertyInfo(Variant::INT, "to_slot")));
|
|
ADD_SIGNAL(MethodInfo("disconnection_request", PropertyInfo(Variant::STRING, "from"), PropertyInfo(Variant::INT, "from_slot"), PropertyInfo(Variant::STRING, "to"), PropertyInfo(Variant::INT, "to_slot")));
|
|
ADD_SIGNAL(MethodInfo("popup_request", PropertyInfo(Variant::VECTOR2, "p_position")));
|
|
ADD_SIGNAL(MethodInfo("duplicate_nodes_request"));
|
|
ADD_SIGNAL(MethodInfo("node_selected", PropertyInfo(Variant::OBJECT, "node")));
|
|
ADD_SIGNAL(MethodInfo("connection_to_empty", PropertyInfo(Variant::STRING, "from"), PropertyInfo(Variant::INT, "from_slot"), PropertyInfo(Variant::VECTOR2, "release_position")));
|
|
ADD_SIGNAL(MethodInfo("delete_nodes_request"));
|
|
ADD_SIGNAL(MethodInfo("_begin_node_move"));
|
|
ADD_SIGNAL(MethodInfo("_end_node_move"));
|
|
ADD_SIGNAL(MethodInfo("scroll_offset_changed", PropertyInfo(Variant::VECTOR2, "ofs")));
|
|
}
|
|
|
|
GraphEdit::GraphEdit() {
|
|
set_focus_mode(FOCUS_ALL);
|
|
|
|
awaiting_scroll_offset_update = false;
|
|
top_layer = NULL;
|
|
top_layer = memnew(GraphEditFilter(this));
|
|
add_child(top_layer);
|
|
top_layer->set_mouse_filter(MOUSE_FILTER_PASS);
|
|
top_layer->set_anchors_and_margins_preset(Control::PRESET_WIDE);
|
|
top_layer->connect("draw", this, "_top_layer_draw");
|
|
top_layer->set_mouse_filter(MOUSE_FILTER_PASS);
|
|
top_layer->connect("gui_input", this, "_top_layer_input");
|
|
|
|
connections_layer = memnew(Control);
|
|
add_child(connections_layer);
|
|
connections_layer->connect("draw", this, "_connections_layer_draw");
|
|
connections_layer->set_name("CLAYER");
|
|
connections_layer->set_disable_visibility_clip(true); // so it can draw freely and be offseted
|
|
connections_layer->set_mouse_filter(MOUSE_FILTER_IGNORE);
|
|
|
|
h_scroll = memnew(HScrollBar);
|
|
h_scroll->set_name("_h_scroll");
|
|
top_layer->add_child(h_scroll);
|
|
|
|
v_scroll = memnew(VScrollBar);
|
|
v_scroll->set_name("_v_scroll");
|
|
top_layer->add_child(v_scroll);
|
|
updating = false;
|
|
connecting = false;
|
|
right_disconnects = false;
|
|
|
|
box_selecting = false;
|
|
dragging = false;
|
|
|
|
//set large minmax so it can scroll even if not resized yet
|
|
h_scroll->set_min(-10000);
|
|
h_scroll->set_max(10000);
|
|
|
|
v_scroll->set_min(-10000);
|
|
v_scroll->set_max(10000);
|
|
|
|
h_scroll->connect("value_changed", this, "_scroll_moved");
|
|
v_scroll->connect("value_changed", this, "_scroll_moved");
|
|
|
|
zoom = 1;
|
|
|
|
HBoxContainer *zoom_hb = memnew(HBoxContainer);
|
|
top_layer->add_child(zoom_hb);
|
|
zoom_hb->set_position(Vector2(10, 10));
|
|
|
|
zoom_minus = memnew(ToolButton);
|
|
zoom_hb->add_child(zoom_minus);
|
|
zoom_minus->connect("pressed", this, "_zoom_minus");
|
|
zoom_minus->set_focus_mode(FOCUS_NONE);
|
|
|
|
zoom_reset = memnew(ToolButton);
|
|
zoom_hb->add_child(zoom_reset);
|
|
zoom_reset->connect("pressed", this, "_zoom_reset");
|
|
zoom_reset->set_focus_mode(FOCUS_NONE);
|
|
|
|
zoom_plus = memnew(ToolButton);
|
|
zoom_hb->add_child(zoom_plus);
|
|
zoom_plus->connect("pressed", this, "_zoom_plus");
|
|
zoom_plus->set_focus_mode(FOCUS_NONE);
|
|
|
|
snap_button = memnew(ToolButton);
|
|
snap_button->set_toggle_mode(true);
|
|
snap_button->connect("pressed", this, "_snap_toggled");
|
|
snap_button->set_pressed(true);
|
|
snap_button->set_focus_mode(FOCUS_NONE);
|
|
zoom_hb->add_child(snap_button);
|
|
|
|
snap_amount = memnew(SpinBox);
|
|
snap_amount->set_min(5);
|
|
snap_amount->set_max(100);
|
|
snap_amount->set_step(1);
|
|
snap_amount->set_value(20);
|
|
snap_amount->connect("value_changed", this, "_snap_value_changed");
|
|
zoom_hb->add_child(snap_amount);
|
|
|
|
setting_scroll_ofs = false;
|
|
just_disconected = false;
|
|
set_clip_contents(true);
|
|
}
|