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godot/scene/gui/graph_node.cpp

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/*************************************************************************/
/* graph_node.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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 "graph_node.h"
#include "core/string/translation.h"
#include "graph_edit.h"
struct _MinSizeCache {
int min_size;
bool will_stretch;
int final_size;
};
bool GraphNode::_set(const StringName &p_name, const Variant &p_value) {
String str = p_name;
if (!str.begins_with("slot/")) {
return false;
}
int idx = str.get_slice("/", 1).to_int();
String what = str.get_slice("/", 2);
Slot si;
if (slot_info.has(idx)) {
si = slot_info[idx];
}
if (what == "left_enabled") {
si.enable_left = p_value;
} else if (what == "left_type") {
si.type_left = p_value;
} else if (what == "left_icon") {
si.custom_slot_left = p_value;
} else if (what == "left_color") {
si.color_left = p_value;
} else if (what == "right_enabled") {
si.enable_right = p_value;
} else if (what == "right_type") {
si.type_right = p_value;
} else if (what == "right_color") {
si.color_right = p_value;
} else if (what == "right_icon") {
si.custom_slot_right = p_value;
} else if (what == "draw_stylebox") {
si.draw_stylebox = p_value;
} else {
return false;
}
set_slot(idx, si.enable_left, si.type_left, si.color_left, si.enable_right, si.type_right, si.color_right, si.custom_slot_left, si.custom_slot_right, si.draw_stylebox);
queue_redraw();
return true;
}
bool GraphNode::_get(const StringName &p_name, Variant &r_ret) const {
String str = p_name;
if (!str.begins_with("slot/")) {
return false;
}
int idx = str.get_slice("/", 1).to_int();
String what = str.get_slice("/", 2);
Slot si;
if (slot_info.has(idx)) {
si = slot_info[idx];
}
if (what == "left_enabled") {
r_ret = si.enable_left;
} else if (what == "left_type") {
r_ret = si.type_left;
} else if (what == "left_color") {
r_ret = si.color_left;
} else if (what == "left_icon") {
r_ret = si.custom_slot_left;
} else if (what == "right_enabled") {
r_ret = si.enable_right;
} else if (what == "right_type") {
r_ret = si.type_right;
} else if (what == "right_color") {
r_ret = si.color_right;
} else if (what == "right_icon") {
r_ret = si.custom_slot_right;
} else if (what == "draw_stylebox") {
r_ret = si.draw_stylebox;
} else {
return false;
}
return true;
}
void GraphNode::_get_property_list(List<PropertyInfo> *p_list) const {
int idx = 0;
for (int i = 0; i < get_child_count(); i++) {
Control *c = Object::cast_to<Control>(get_child(i));
if (!c || c->is_set_as_top_level()) {
continue;
}
String base = "slot/" + itos(idx) + "/";
p_list->push_back(PropertyInfo(Variant::BOOL, base + "left_enabled"));
p_list->push_back(PropertyInfo(Variant::INT, base + "left_type"));
p_list->push_back(PropertyInfo(Variant::COLOR, base + "left_color"));
p_list->push_back(PropertyInfo(Variant::OBJECT, base + "left_icon", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_STORE_IF_NULL));
p_list->push_back(PropertyInfo(Variant::BOOL, base + "right_enabled"));
p_list->push_back(PropertyInfo(Variant::INT, base + "right_type"));
p_list->push_back(PropertyInfo(Variant::COLOR, base + "right_color"));
p_list->push_back(PropertyInfo(Variant::OBJECT, base + "right_icon", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_STORE_IF_NULL));
p_list->push_back(PropertyInfo(Variant::BOOL, base + "draw_stylebox"));
idx++;
}
}
void GraphNode::_resort() {
/** First pass, determine minimum size AND amount of stretchable elements */
Size2i new_size = get_size();
Ref<StyleBox> sb = get_theme_stylebox(SNAME("frame"));
Ref<StyleBox> sb_slot = get_theme_stylebox(SNAME("slot"));
int sep = get_theme_constant(SNAME("separation"));
bool first = true;
int children_count = 0;
int stretch_min = 0;
int stretch_avail = 0;
float stretch_ratio_total = 0;
HashMap<Control *, _MinSizeCache> min_size_cache;
for (int i = 0; i < get_child_count(); i++) {
Control *c = Object::cast_to<Control>(get_child(i));
if (!c || !c->is_visible_in_tree()) {
continue;
}
if (c->is_set_as_top_level()) {
continue;
}
Size2i size = c->get_combined_minimum_size() + (slot_info[i].draw_stylebox ? sb_slot->get_minimum_size() : Size2());
_MinSizeCache msc;
stretch_min += size.height;
msc.min_size = size.height;
msc.will_stretch = c->get_v_size_flags() & SIZE_EXPAND;
if (msc.will_stretch) {
stretch_avail += msc.min_size;
stretch_ratio_total += c->get_stretch_ratio();
}
msc.final_size = msc.min_size;
min_size_cache[c] = msc;
children_count++;
}
if (children_count == 0) {
return;
}
int stretch_max = new_size.height - (children_count - 1) * sep;
int stretch_diff = stretch_max - stretch_min;
if (stretch_diff < 0) {
//avoid negative stretch space
stretch_diff = 0;
}
stretch_avail += stretch_diff - sb->get_margin(SIDE_BOTTOM) - sb->get_margin(SIDE_TOP); //available stretch space.
/** Second, pass successively to discard elements that can't be stretched, this will run while stretchable
elements exist */
while (stretch_ratio_total > 0) { // first of all, don't even be here if no stretchable objects exist
bool refit_successful = true; //assume refit-test will go well
for (int i = 0; i < get_child_count(); i++) {
Control *c = Object::cast_to<Control>(get_child(i));
if (!c || !c->is_visible_in_tree()) {
continue;
}
if (c->is_set_as_top_level()) {
continue;
}
ERR_FAIL_COND(!min_size_cache.has(c));
_MinSizeCache &msc = min_size_cache[c];
if (msc.will_stretch) { //wants to stretch
//let's see if it can really stretch
int final_pixel_size = stretch_avail * c->get_stretch_ratio() / stretch_ratio_total;
if (final_pixel_size < msc.min_size) {
//if available stretching area is too small for widget,
//then remove it from stretching area
msc.will_stretch = false;
stretch_ratio_total -= c->get_stretch_ratio();
refit_successful = false;
stretch_avail -= msc.min_size;
msc.final_size = msc.min_size;
break;
} else {
msc.final_size = final_pixel_size;
}
}
}
if (refit_successful) { //uf refit went well, break
break;
}
}
/** Final pass, draw and stretch elements **/
int ofs = sb->get_margin(SIDE_TOP);
first = true;
int idx = 0;
cache_y.clear();
int w = new_size.width - sb->get_minimum_size().x;
for (int i = 0; i < get_child_count(); i++) {
Control *c = Object::cast_to<Control>(get_child(i));
if (!c || !c->is_visible_in_tree()) {
continue;
}
if (c->is_set_as_top_level()) {
continue;
}
_MinSizeCache &msc = min_size_cache[c];
if (first) {
first = false;
} else {
ofs += sep;
}
int from = ofs;
int to = ofs + msc.final_size;
if (msc.will_stretch && idx == children_count - 1) {
//adjust so the last one always fits perfect
//compensating for numerical imprecision
to = new_size.height - sb->get_margin(SIDE_BOTTOM);
}
int size = to - from;
float margin = sb->get_margin(SIDE_LEFT) + (slot_info[i].draw_stylebox ? sb_slot->get_margin(SIDE_LEFT) : 0);
float width = w - (slot_info[i].draw_stylebox ? sb_slot->get_minimum_size().x : 0);
Rect2 rect(margin, from, width, size);
fit_child_in_rect(c, rect);
cache_y.push_back(from - sb->get_margin(SIDE_TOP) + size * 0.5);
ofs = to;
idx++;
}
queue_redraw();
connpos_dirty = true;
}
bool GraphNode::has_point(const Point2 &p_point) const {
if (comment) {
Ref<StyleBox> comment = get_theme_stylebox(SNAME("comment"));
Ref<Texture2D> resizer = get_theme_icon(SNAME("resizer"));
if (Rect2(get_size() - resizer->get_size(), resizer->get_size()).has_point(p_point)) {
return true;
}
if (Rect2(0, 0, get_size().width, comment->get_margin(SIDE_TOP)).has_point(p_point)) {
return true;
}
return false;
} else {
return Control::has_point(p_point);
}
}
void GraphNode::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_DRAW: {
Ref<StyleBox> sb;
if (comment) {
sb = get_theme_stylebox(selected ? SNAME("comment_focus") : SNAME("comment"));
} else {
sb = get_theme_stylebox(selected ? SNAME("selected_frame") : SNAME("frame"));
}
Ref<StyleBox> sb_slot = get_theme_stylebox(SNAME("slot"));
Ref<Texture2D> port = get_theme_icon(SNAME("port"));
Ref<Texture2D> close = get_theme_icon(SNAME("close"));
Ref<Texture2D> resizer = get_theme_icon(SNAME("resizer"));
int close_offset = get_theme_constant(SNAME("close_offset"));
int close_h_offset = get_theme_constant(SNAME("close_h_offset"));
Color close_color = get_theme_color(SNAME("close_color"));
Color resizer_color = get_theme_color(SNAME("resizer_color"));
int title_offset = get_theme_constant(SNAME("title_offset"));
int title_h_offset = get_theme_constant(SNAME("title_h_offset"));
Color title_color = get_theme_color(SNAME("title_color"));
Point2i icofs = -port->get_size() * 0.5;
int edgeofs = get_theme_constant(SNAME("port_offset"));
icofs.y += sb->get_margin(SIDE_TOP);
draw_style_box(sb, Rect2(Point2(), get_size()));
switch (overlay) {
case OVERLAY_DISABLED: {
} break;
case OVERLAY_BREAKPOINT: {
draw_style_box(get_theme_stylebox(SNAME("breakpoint")), Rect2(Point2(), get_size()));
} break;
case OVERLAY_POSITION: {
draw_style_box(get_theme_stylebox(SNAME("position")), Rect2(Point2(), get_size()));
} break;
}
int w = get_size().width - sb->get_minimum_size().x;
title_buf->draw(get_canvas_item(), Point2(sb->get_margin(SIDE_LEFT) + title_h_offset, -title_buf->get_size().y + title_offset), title_color);
if (show_close) {
Vector2 cpos = Point2(w + sb->get_margin(SIDE_LEFT) + close_h_offset - close->get_width(), -close->get_height() + close_offset);
draw_texture(close, cpos, close_color);
close_rect.position = cpos;
close_rect.size = close->get_size();
} else {
close_rect = Rect2();
}
for (const KeyValue<int, Slot> &E : slot_info) {
if (E.key < 0 || E.key >= cache_y.size()) {
continue;
}
if (!slot_info.has(E.key)) {
continue;
}
const Slot &s = slot_info[E.key];
// Left port.
if (s.enable_left) {
Ref<Texture2D> p = port;
if (s.custom_slot_left.is_valid()) {
p = s.custom_slot_left;
}
p->draw(get_canvas_item(), icofs + Point2(edgeofs, cache_y[E.key]), s.color_left);
}
// Right port.
if (s.enable_right) {
Ref<Texture2D> p = port;
if (s.custom_slot_right.is_valid()) {
p = s.custom_slot_right;
}
p->draw(get_canvas_item(), icofs + Point2(get_size().x - edgeofs, cache_y[E.key]), s.color_right);
}
// Draw slot stylebox.
if (s.draw_stylebox) {
Control *c = Object::cast_to<Control>(get_child(E.key));
Rect2 c_rect = c->get_rect();
c_rect.position.x = sb->get_margin(SIDE_LEFT);
c_rect.size.width = w;
draw_style_box(sb_slot, c_rect);
}
}
if (resizable) {
draw_texture(resizer, get_size() - resizer->get_size(), resizer_color);
}
} break;
case NOTIFICATION_SORT_CHILDREN: {
_resort();
} break;
case NOTIFICATION_LAYOUT_DIRECTION_CHANGED:
case NOTIFICATION_TRANSLATION_CHANGED:
case NOTIFICATION_THEME_CHANGED: {
_shape();
update_minimum_size();
queue_redraw();
} break;
}
}
void GraphNode::_shape() {
Ref<Font> font = get_theme_font(SNAME("title_font"));
int font_size = get_theme_font_size(SNAME("title_font_size"));
title_buf->clear();
if (text_direction == Control::TEXT_DIRECTION_INHERITED) {
title_buf->set_direction(is_layout_rtl() ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR);
} else {
title_buf->set_direction((TextServer::Direction)text_direction);
}
title_buf->add_string(title, font, font_size, language);
}
#ifdef TOOLS_ENABLED
void GraphNode::_edit_set_position(const Point2 &p_position) {
GraphEdit *graph = Object::cast_to<GraphEdit>(get_parent());
if (graph) {
Point2 offset = (p_position + graph->get_scroll_ofs()) * graph->get_zoom();
set_position_offset(offset);
}
set_position(p_position);
}
#endif
void GraphNode::_validate_property(PropertyInfo &p_property) const {
GraphEdit *graph = Object::cast_to<GraphEdit>(get_parent());
if (graph) {
if (p_property.name == "position") {
p_property.usage |= PROPERTY_USAGE_READ_ONLY;
}
}
}
void GraphNode::set_slot(int p_idx, bool p_enable_left, int p_type_left, const Color &p_color_left, bool p_enable_right, int p_type_right, const Color &p_color_right, const Ref<Texture2D> &p_custom_left, const Ref<Texture2D> &p_custom_right, bool p_draw_stylebox) {
ERR_FAIL_COND_MSG(p_idx < 0, vformat("Cannot set slot with p_idx (%d) lesser than zero.", p_idx));
if (!p_enable_left && p_type_left == 0 && p_color_left == Color(1, 1, 1, 1) &&
!p_enable_right && p_type_right == 0 && p_color_right == Color(1, 1, 1, 1) &&
!p_custom_left.is_valid() && !p_custom_right.is_valid()) {
slot_info.erase(p_idx);
return;
}
Slot s;
s.enable_left = p_enable_left;
s.type_left = p_type_left;
s.color_left = p_color_left;
s.enable_right = p_enable_right;
s.type_right = p_type_right;
s.color_right = p_color_right;
s.custom_slot_left = p_custom_left;
s.custom_slot_right = p_custom_right;
s.draw_stylebox = p_draw_stylebox;
slot_info[p_idx] = s;
queue_redraw();
connpos_dirty = true;
emit_signal(SNAME("slot_updated"), p_idx);
}
void GraphNode::clear_slot(int p_idx) {
slot_info.erase(p_idx);
queue_redraw();
connpos_dirty = true;
}
void GraphNode::clear_all_slots() {
slot_info.clear();
queue_redraw();
connpos_dirty = true;
}
bool GraphNode::is_slot_enabled_left(int p_idx) const {
if (!slot_info.has(p_idx)) {
return false;
}
return slot_info[p_idx].enable_left;
}
void GraphNode::set_slot_enabled_left(int p_idx, bool p_enable_left) {
ERR_FAIL_COND_MSG(p_idx < 0, vformat("Cannot set enable_left for the slot with p_idx (%d) lesser than zero.", p_idx));
if (slot_info[p_idx].enable_left == p_enable_left) {
return;
}
slot_info[p_idx].enable_left = p_enable_left;
queue_redraw();
connpos_dirty = true;
emit_signal(SNAME("slot_updated"), p_idx);
}
void GraphNode::set_slot_type_left(int p_idx, int p_type_left) {
ERR_FAIL_COND_MSG(!slot_info.has(p_idx), vformat("Cannot set type_left for the slot '%d' because it hasn't been enabled.", p_idx));
if (slot_info[p_idx].type_left == p_type_left) {
return;
}
slot_info[p_idx].type_left = p_type_left;
queue_redraw();
connpos_dirty = true;
emit_signal(SNAME("slot_updated"), p_idx);
}
int GraphNode::get_slot_type_left(int p_idx) const {
if (!slot_info.has(p_idx)) {
return 0;
}
return slot_info[p_idx].type_left;
}
void GraphNode::set_slot_color_left(int p_idx, const Color &p_color_left) {
ERR_FAIL_COND_MSG(!slot_info.has(p_idx), vformat("Cannot set color_left for the slot '%d' because it hasn't been enabled.", p_idx));
if (slot_info[p_idx].color_left == p_color_left) {
return;
}
slot_info[p_idx].color_left = p_color_left;
queue_redraw();
connpos_dirty = true;
emit_signal(SNAME("slot_updated"), p_idx);
}
Color GraphNode::get_slot_color_left(int p_idx) const {
if (!slot_info.has(p_idx)) {
return Color(1, 1, 1, 1);
}
return slot_info[p_idx].color_left;
}
bool GraphNode::is_slot_enabled_right(int p_idx) const {
if (!slot_info.has(p_idx)) {
return false;
}
return slot_info[p_idx].enable_right;
}
void GraphNode::set_slot_enabled_right(int p_idx, bool p_enable_right) {
ERR_FAIL_COND_MSG(p_idx < 0, vformat("Cannot set enable_right for the slot with p_idx (%d) lesser than zero.", p_idx));
if (slot_info[p_idx].enable_right == p_enable_right) {
return;
}
slot_info[p_idx].enable_right = p_enable_right;
queue_redraw();
connpos_dirty = true;
emit_signal(SNAME("slot_updated"), p_idx);
}
void GraphNode::set_slot_type_right(int p_idx, int p_type_right) {
ERR_FAIL_COND_MSG(!slot_info.has(p_idx), vformat("Cannot set type_right for the slot '%d' because it hasn't been enabled.", p_idx));
if (slot_info[p_idx].type_right == p_type_right) {
return;
}
slot_info[p_idx].type_right = p_type_right;
queue_redraw();
connpos_dirty = true;
emit_signal(SNAME("slot_updated"), p_idx);
}
int GraphNode::get_slot_type_right(int p_idx) const {
if (!slot_info.has(p_idx)) {
return 0;
}
return slot_info[p_idx].type_right;
}
void GraphNode::set_slot_color_right(int p_idx, const Color &p_color_right) {
ERR_FAIL_COND_MSG(!slot_info.has(p_idx), vformat("Cannot set color_right for the slot '%d' because it hasn't been enabled.", p_idx));
if (slot_info[p_idx].color_right == p_color_right) {
return;
}
slot_info[p_idx].color_right = p_color_right;
queue_redraw();
connpos_dirty = true;
emit_signal(SNAME("slot_updated"), p_idx);
}
Color GraphNode::get_slot_color_right(int p_idx) const {
if (!slot_info.has(p_idx)) {
return Color(1, 1, 1, 1);
}
return slot_info[p_idx].color_right;
}
bool GraphNode::is_slot_draw_stylebox(int p_idx) const {
if (!slot_info.has(p_idx)) {
return false;
}
return slot_info[p_idx].draw_stylebox;
}
void GraphNode::set_slot_draw_stylebox(int p_idx, bool p_enable) {
ERR_FAIL_COND_MSG(p_idx < 0, vformat("Cannot set draw_stylebox for the slot with p_idx (%d) lesser than zero.", p_idx));
slot_info[p_idx].draw_stylebox = p_enable;
queue_redraw();
connpos_dirty = true;
emit_signal(SNAME("slot_updated"), p_idx);
}
Size2 GraphNode::get_minimum_size() const {
Ref<StyleBox> sb = get_theme_stylebox(SNAME("frame"));
Ref<StyleBox> sb_slot = get_theme_stylebox(SNAME("slot"));
int sep = get_theme_constant(SNAME("separation"));
int title_h_offset = get_theme_constant(SNAME("title_h_offset"));
bool first = true;
Size2 minsize;
minsize.x = title_buf->get_size().x + title_h_offset;
if (show_close) {
int close_h_offset = get_theme_constant(SNAME("close_h_offset"));
Ref<Texture2D> close = get_theme_icon(SNAME("close"));
//TODO: Remove this magic number after GraphNode rework.
minsize.x += 12 + close->get_width() + close_h_offset;
}
for (int i = 0; i < get_child_count(); i++) {
Control *c = Object::cast_to<Control>(get_child(i));
if (!c) {
continue;
}
if (c->is_set_as_top_level()) {
continue;
}
Size2i size = c->get_combined_minimum_size();
if (slot_info.has(i)) {
size += slot_info[i].draw_stylebox ? sb_slot->get_minimum_size() : Size2();
}
minsize.y += size.y;
minsize.x = MAX(minsize.x, size.x);
if (first) {
first = false;
} else {
minsize.y += sep;
}
}
return minsize + sb->get_minimum_size();
}
void GraphNode::set_title(const String &p_title) {
if (title == p_title) {
return;
}
title = p_title;
_shape();
queue_redraw();
update_minimum_size();
}
String GraphNode::get_title() const {
return title;
}
void GraphNode::set_text_direction(Control::TextDirection p_text_direction) {
ERR_FAIL_COND((int)p_text_direction < -1 || (int)p_text_direction > 3);
if (text_direction != p_text_direction) {
text_direction = p_text_direction;
_shape();
queue_redraw();
}
}
Control::TextDirection GraphNode::get_text_direction() const {
return text_direction;
}
void GraphNode::set_language(const String &p_language) {
if (language != p_language) {
language = p_language;
_shape();
queue_redraw();
}
}
String GraphNode::get_language() const {
return language;
}
void GraphNode::set_position_offset(const Vector2 &p_offset) {
if (position_offset == p_offset) {
return;
}
position_offset = p_offset;
emit_signal(SNAME("position_offset_changed"));
queue_redraw();
}
Vector2 GraphNode::get_position_offset() const {
return position_offset;
}
void GraphNode::set_selected(bool p_selected) {
if (selected == p_selected) {
return;
}
selected = p_selected;
queue_redraw();
}
bool GraphNode::is_selected() {
return selected;
}
void GraphNode::set_drag(bool p_drag) {
if (p_drag) {
drag_from = get_position_offset();
} else {
emit_signal(SNAME("dragged"), drag_from, get_position_offset()); //useful for undo/redo
}
}
Vector2 GraphNode::get_drag_from() {
return drag_from;
}
void GraphNode::set_show_close_button(bool p_enable) {
if (show_close == p_enable) {
return;
}
show_close = p_enable;
queue_redraw();
}
bool GraphNode::is_close_button_visible() const {
return show_close;
}
void GraphNode::_connpos_update() {
int edgeofs = get_theme_constant(SNAME("port_offset"));
int sep = get_theme_constant(SNAME("separation"));
Ref<StyleBox> sb = get_theme_stylebox(SNAME("frame"));
conn_input_cache.clear();
conn_output_cache.clear();
int vofs = 0;
int idx = 0;
for (int i = 0; i < get_child_count(); i++) {
Control *c = Object::cast_to<Control>(get_child(i));
if (!c) {
continue;
}
if (c->is_set_as_top_level()) {
continue;
}
Size2i size = c->get_rect().size;
int y = sb->get_margin(SIDE_TOP) + vofs;
int h = size.y;
if (slot_info.has(idx)) {
if (slot_info[idx].enable_left) {
ConnCache cc;
cc.pos = Point2i(edgeofs, y + h / 2);
cc.type = slot_info[idx].type_left;
cc.color = slot_info[idx].color_left;
cc.height = size.height;
conn_input_cache.push_back(cc);
}
if (slot_info[idx].enable_right) {
ConnCache cc;
cc.pos = Point2i(get_size().width - edgeofs, y + h / 2);
cc.type = slot_info[idx].type_right;
cc.color = slot_info[idx].color_right;
cc.height = size.height;
conn_output_cache.push_back(cc);
}
}
vofs += sep;
vofs += size.y;
idx++;
}
connpos_dirty = false;
}
int GraphNode::get_connection_input_count() {
if (connpos_dirty) {
_connpos_update();
}
return conn_input_cache.size();
}
int GraphNode::get_connection_input_height(int p_idx) {
if (connpos_dirty) {
_connpos_update();
}
ERR_FAIL_INDEX_V(p_idx, conn_input_cache.size(), 0);
return conn_input_cache[p_idx].height;
}
Vector2 GraphNode::get_connection_input_position(int p_idx) {
if (connpos_dirty) {
_connpos_update();
}
ERR_FAIL_INDEX_V(p_idx, conn_input_cache.size(), Vector2());
Vector2 pos = conn_input_cache[p_idx].pos;
pos.x *= get_scale().x;
pos.y *= get_scale().y;
return pos;
}
int GraphNode::get_connection_input_type(int p_idx) {
if (connpos_dirty) {
_connpos_update();
}
ERR_FAIL_INDEX_V(p_idx, conn_input_cache.size(), 0);
return conn_input_cache[p_idx].type;
}
Color GraphNode::get_connection_input_color(int p_idx) {
if (connpos_dirty) {
_connpos_update();
}
ERR_FAIL_INDEX_V(p_idx, conn_input_cache.size(), Color());
return conn_input_cache[p_idx].color;
}
int GraphNode::get_connection_output_count() {
if (connpos_dirty) {
_connpos_update();
}
return conn_output_cache.size();
}
int GraphNode::get_connection_output_height(int p_idx) {
if (connpos_dirty) {
_connpos_update();
}
ERR_FAIL_INDEX_V(p_idx, conn_output_cache.size(), 0);
return conn_output_cache[p_idx].height;
}
Vector2 GraphNode::get_connection_output_position(int p_idx) {
if (connpos_dirty) {
_connpos_update();
}
ERR_FAIL_INDEX_V(p_idx, conn_output_cache.size(), Vector2());
Vector2 pos = conn_output_cache[p_idx].pos;
pos.x *= get_scale().x;
pos.y *= get_scale().y;
return pos;
}
int GraphNode::get_connection_output_type(int p_idx) {
if (connpos_dirty) {
_connpos_update();
}
ERR_FAIL_INDEX_V(p_idx, conn_output_cache.size(), 0);
return conn_output_cache[p_idx].type;
}
Color GraphNode::get_connection_output_color(int p_idx) {
if (connpos_dirty) {
_connpos_update();
}
ERR_FAIL_INDEX_V(p_idx, conn_output_cache.size(), Color());
return conn_output_cache[p_idx].color;
}
void GraphNode::gui_input(const Ref<InputEvent> &p_ev) {
ERR_FAIL_COND(p_ev.is_null());
Ref<InputEventMouseButton> mb = p_ev;
if (mb.is_valid()) {
ERR_FAIL_COND_MSG(get_parent_control() == nullptr, "GraphNode must be the child of a GraphEdit node.");
if (mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) {
Vector2 mpos = mb->get_position();
if (close_rect.size != Size2() && close_rect.has_point(mpos)) {
//send focus to parent
get_parent_control()->grab_focus();
emit_signal(SNAME("close_request"));
accept_event();
return;
}
Ref<Texture2D> resizer = get_theme_icon(SNAME("resizer"));
if (resizable && mpos.x > get_size().x - resizer->get_width() && mpos.y > get_size().y - resizer->get_height()) {
resizing = true;
resizing_from = mpos;
resizing_from_size = get_size();
accept_event();
return;
}
emit_signal(SNAME("raise_request"));
}
if (!mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) {
resizing = false;
}
}
Ref<InputEventMouseMotion> mm = p_ev;
if (resizing && mm.is_valid()) {
Vector2 mpos = mm->get_position();
Vector2 diff = mpos - resizing_from;
emit_signal(SNAME("resize_request"), resizing_from_size + diff);
}
}
void GraphNode::set_overlay(Overlay p_overlay) {
if (overlay == p_overlay) {
return;
}
overlay = p_overlay;
queue_redraw();
}
GraphNode::Overlay GraphNode::get_overlay() const {
return overlay;
}
void GraphNode::set_comment(bool p_enable) {
if (comment == p_enable) {
return;
}
comment = p_enable;
queue_redraw();
}
bool GraphNode::is_comment() const {
return comment;
}
void GraphNode::set_resizable(bool p_enable) {
if (resizable == p_enable) {
return;
}
resizable = p_enable;
queue_redraw();
}
bool GraphNode::is_resizable() const {
return resizable;
}
void GraphNode::set_draggable(bool p_draggable) {
draggable = p_draggable;
}
bool GraphNode::is_draggable() {
return draggable;
}
void GraphNode::set_selectable(bool p_selectable) {
selectable = p_selectable;
}
bool GraphNode::is_selectable() {
return selectable;
}
Vector<int> GraphNode::get_allowed_size_flags_horizontal() const {
Vector<int> flags;
flags.append(SIZE_FILL);
flags.append(SIZE_SHRINK_BEGIN);
flags.append(SIZE_SHRINK_CENTER);
flags.append(SIZE_SHRINK_END);
return flags;
}
Vector<int> GraphNode::get_allowed_size_flags_vertical() const {
Vector<int> flags;
flags.append(SIZE_FILL);
flags.append(SIZE_EXPAND);
flags.append(SIZE_SHRINK_BEGIN);
flags.append(SIZE_SHRINK_CENTER);
flags.append(SIZE_SHRINK_END);
return flags;
}
void GraphNode::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_title", "title"), &GraphNode::set_title);
ClassDB::bind_method(D_METHOD("get_title"), &GraphNode::get_title);
ClassDB::bind_method(D_METHOD("set_text_direction", "direction"), &GraphNode::set_text_direction);
ClassDB::bind_method(D_METHOD("get_text_direction"), &GraphNode::get_text_direction);
ClassDB::bind_method(D_METHOD("set_language", "language"), &GraphNode::set_language);
ClassDB::bind_method(D_METHOD("get_language"), &GraphNode::get_language);
ClassDB::bind_method(D_METHOD("set_slot", "idx", "enable_left", "type_left", "color_left", "enable_right", "type_right", "color_right", "custom_left", "custom_right", "enable"), &GraphNode::set_slot, DEFVAL(Ref<Texture2D>()), DEFVAL(Ref<Texture2D>()), DEFVAL(true));
ClassDB::bind_method(D_METHOD("clear_slot", "idx"), &GraphNode::clear_slot);
ClassDB::bind_method(D_METHOD("clear_all_slots"), &GraphNode::clear_all_slots);
ClassDB::bind_method(D_METHOD("is_slot_enabled_left", "idx"), &GraphNode::is_slot_enabled_left);
ClassDB::bind_method(D_METHOD("set_slot_enabled_left", "idx", "enable_left"), &GraphNode::set_slot_enabled_left);
ClassDB::bind_method(D_METHOD("set_slot_type_left", "idx", "type_left"), &GraphNode::set_slot_type_left);
ClassDB::bind_method(D_METHOD("get_slot_type_left", "idx"), &GraphNode::get_slot_type_left);
ClassDB::bind_method(D_METHOD("set_slot_color_left", "idx", "color_left"), &GraphNode::set_slot_color_left);
ClassDB::bind_method(D_METHOD("get_slot_color_left", "idx"), &GraphNode::get_slot_color_left);
ClassDB::bind_method(D_METHOD("is_slot_enabled_right", "idx"), &GraphNode::is_slot_enabled_right);
ClassDB::bind_method(D_METHOD("set_slot_enabled_right", "idx", "enable_right"), &GraphNode::set_slot_enabled_right);
ClassDB::bind_method(D_METHOD("set_slot_type_right", "idx", "type_right"), &GraphNode::set_slot_type_right);
ClassDB::bind_method(D_METHOD("get_slot_type_right", "idx"), &GraphNode::get_slot_type_right);
ClassDB::bind_method(D_METHOD("set_slot_color_right", "idx", "color_right"), &GraphNode::set_slot_color_right);
ClassDB::bind_method(D_METHOD("get_slot_color_right", "idx"), &GraphNode::get_slot_color_right);
ClassDB::bind_method(D_METHOD("is_slot_draw_stylebox", "idx"), &GraphNode::is_slot_draw_stylebox);
ClassDB::bind_method(D_METHOD("set_slot_draw_stylebox", "idx", "draw_stylebox"), &GraphNode::set_slot_draw_stylebox);
ClassDB::bind_method(D_METHOD("set_position_offset", "offset"), &GraphNode::set_position_offset);
ClassDB::bind_method(D_METHOD("get_position_offset"), &GraphNode::get_position_offset);
ClassDB::bind_method(D_METHOD("set_comment", "comment"), &GraphNode::set_comment);
ClassDB::bind_method(D_METHOD("is_comment"), &GraphNode::is_comment);
ClassDB::bind_method(D_METHOD("set_resizable", "resizable"), &GraphNode::set_resizable);
ClassDB::bind_method(D_METHOD("is_resizable"), &GraphNode::is_resizable);
ClassDB::bind_method(D_METHOD("set_draggable", "draggable"), &GraphNode::set_draggable);
ClassDB::bind_method(D_METHOD("is_draggable"), &GraphNode::is_draggable);
ClassDB::bind_method(D_METHOD("set_selectable", "selectable"), &GraphNode::set_selectable);
ClassDB::bind_method(D_METHOD("is_selectable"), &GraphNode::is_selectable);
ClassDB::bind_method(D_METHOD("set_selected", "selected"), &GraphNode::set_selected);
ClassDB::bind_method(D_METHOD("is_selected"), &GraphNode::is_selected);
ClassDB::bind_method(D_METHOD("get_connection_input_count"), &GraphNode::get_connection_input_count);
ClassDB::bind_method(D_METHOD("get_connection_input_height", "idx"), &GraphNode::get_connection_input_height);
ClassDB::bind_method(D_METHOD("get_connection_input_position", "idx"), &GraphNode::get_connection_input_position);
ClassDB::bind_method(D_METHOD("get_connection_input_type", "idx"), &GraphNode::get_connection_input_type);
ClassDB::bind_method(D_METHOD("get_connection_input_color", "idx"), &GraphNode::get_connection_input_color);
ClassDB::bind_method(D_METHOD("get_connection_output_count"), &GraphNode::get_connection_output_count);
ClassDB::bind_method(D_METHOD("get_connection_output_height", "idx"), &GraphNode::get_connection_output_height);
ClassDB::bind_method(D_METHOD("get_connection_output_position", "idx"), &GraphNode::get_connection_output_position);
ClassDB::bind_method(D_METHOD("get_connection_output_type", "idx"), &GraphNode::get_connection_output_type);
ClassDB::bind_method(D_METHOD("get_connection_output_color", "idx"), &GraphNode::get_connection_output_color);
ClassDB::bind_method(D_METHOD("set_show_close_button", "show"), &GraphNode::set_show_close_button);
ClassDB::bind_method(D_METHOD("is_close_button_visible"), &GraphNode::is_close_button_visible);
ClassDB::bind_method(D_METHOD("set_overlay", "overlay"), &GraphNode::set_overlay);
ClassDB::bind_method(D_METHOD("get_overlay"), &GraphNode::get_overlay);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "title"), "set_title", "get_title");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "position_offset", PROPERTY_HINT_NONE, "suffix:px"), "set_position_offset", "get_position_offset");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "show_close"), "set_show_close_button", "is_close_button_visible");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "resizable"), "set_resizable", "is_resizable");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draggable"), "set_draggable", "is_draggable");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "selectable"), "set_selectable", "is_selectable");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "selected"), "set_selected", "is_selected");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "comment"), "set_comment", "is_comment");
ADD_PROPERTY(PropertyInfo(Variant::INT, "overlay", PROPERTY_HINT_ENUM, "Disabled,Breakpoint,Position"), "set_overlay", "get_overlay");
ADD_GROUP("BiDi", "");
ADD_PROPERTY(PropertyInfo(Variant::INT, "text_direction", PROPERTY_HINT_ENUM, "Auto,Left-to-Right,Right-to-Left,Inherited"), "set_text_direction", "get_text_direction");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "language", PROPERTY_HINT_LOCALE_ID, ""), "set_language", "get_language");
ADD_GROUP("", "");
ADD_SIGNAL(MethodInfo("position_offset_changed"));
ADD_SIGNAL(MethodInfo("slot_updated", PropertyInfo(Variant::INT, "idx")));
ADD_SIGNAL(MethodInfo("dragged", PropertyInfo(Variant::VECTOR2, "from"), PropertyInfo(Variant::VECTOR2, "to")));
ADD_SIGNAL(MethodInfo("raise_request"));
ADD_SIGNAL(MethodInfo("close_request"));
ADD_SIGNAL(MethodInfo("resize_request", PropertyInfo(Variant::VECTOR2, "new_minsize")));
BIND_ENUM_CONSTANT(OVERLAY_DISABLED);
BIND_ENUM_CONSTANT(OVERLAY_BREAKPOINT);
BIND_ENUM_CONSTANT(OVERLAY_POSITION);
}
GraphNode::GraphNode() {
title_buf.instantiate();
set_mouse_filter(MOUSE_FILTER_STOP);
}
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