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editor_help.cpp
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/**************************************************************************/
/* editor_help.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 "editor_help.h"
#include "core/core_constants.h"
#include "core/input/input.h"
#include "core/object/script_language.h"
#include "core/os/keyboard.h"
#include "core/version.h"
#include "doc_data_compressed.gen.h"
#include "editor/editor_node.h"
#include "editor/editor_paths.h"
#include "editor/editor_scale.h"
#include "editor/editor_settings.h"
#include "editor/plugins/script_editor_plugin.h"
#include "scene/gui/line_edit.h"
#define CONTRIBUTE_URL vformat("%s/contributing/documentation/updating_the_class_reference.html", VERSION_DOCS_URL)
#ifdef MODULE_MONO_ENABLED
// Sync with the types mentioned in https://docs.godotengine.org/en/stable/tutorials/scripting/c_sharp/c_sharp_differences.html
const Vector<String> classes_with_csharp_differences = {
"@GlobalScope",
"String",
"NodePath",
"Signal",
"Callable",
"RID",
"Basis",
"Transform2D",
"Transform3D",
"Rect2",
"Rect2i",
"AABB",
"Quaternion",
"Projection",
"Color",
"Array",
"Dictionary",
"PackedByteArray",
"PackedColorArray",
"PackedFloat32Array",
"PackedFloat64Array",
"PackedInt32Array",
"PackedInt64Array",
"PackedStringArray",
"PackedVector2Array",
"PackedVector3Array",
"Variant",
};
#endif
// TODO: this is sometimes used directly as doc->something, other times as EditorHelp::get_doc_data(), which is thread-safe.
// Might this be a problem?
DocTools *EditorHelp::doc = nullptr;
static bool _attempt_doc_load(const String &p_class) {
// Docgen always happens in the outer-most class: it also generates docs for inner classes.
String outer_class = p_class.get_slice(".", 0);
if (!ScriptServer::is_global_class(outer_class)) {
return false;
}
// ResourceLoader is used in order to have a script-agnostic way to load scripts.
// This forces GDScript to compile the code, which is unnecessary for docgen, but it's a good compromise right now.
Ref<Script> script = ResourceLoader::load(ScriptServer::get_global_class_path(outer_class), outer_class);
if (script.is_valid()) {
Vector<DocData::ClassDoc> docs = script->get_documentation();
for (int j = 0; j < docs.size(); j++) {
const DocData::ClassDoc &doc = docs.get(j);
EditorHelp::get_doc_data()->add_doc(doc);
}
return true;
}
return false;
}
// Removes unnecessary prefix from p_class_specifier when within the p_edited_class context
static String _contextualize_class_specifier(const String &p_class_specifier, const String &p_edited_class) {
// If this is a completely different context than the current class, then keep full path
if (!p_class_specifier.begins_with(p_edited_class)) {
return p_class_specifier;
}
// Here equal length + begins_with from above implies p_class_specifier == p_edited_class :)
if (p_class_specifier.length() == p_edited_class.length()) {
int rfind = p_class_specifier.rfind(".");
if (rfind == -1) { // Single identifier
return p_class_specifier;
}
// Multiple specifiers: keep last one only
return p_class_specifier.substr(rfind + 1);
}
// They share a _name_ prefix but not a _class specifier_ prefix, e.g. Tree & TreeItem
// begins_with + lengths being different implies p_class_specifier.length() > p_edited_class.length() so this is safe
if (p_class_specifier[p_edited_class.length()] != '.') {
return p_class_specifier;
}
// Remove class specifier prefix
return p_class_specifier.substr(p_edited_class.length() + 1);
}
void EditorHelp::_update_theme_item_cache() {
VBoxContainer::_update_theme_item_cache();
theme_cache.text_color = get_theme_color(SNAME("text_color"), SNAME("EditorHelp"));
theme_cache.title_color = get_theme_color(SNAME("title_color"), SNAME("EditorHelp"));
theme_cache.headline_color = get_theme_color(SNAME("headline_color"), SNAME("EditorHelp"));
theme_cache.comment_color = get_theme_color(SNAME("comment_color"), SNAME("EditorHelp"));
theme_cache.symbol_color = get_theme_color(SNAME("symbol_color"), SNAME("EditorHelp"));
theme_cache.value_color = get_theme_color(SNAME("value_color"), SNAME("EditorHelp"));
theme_cache.qualifier_color = get_theme_color(SNAME("qualifier_color"), SNAME("EditorHelp"));
theme_cache.type_color = get_theme_color(SNAME("type_color"), SNAME("EditorHelp"));
theme_cache.doc_font = get_theme_font(SNAME("doc"), SNAME("EditorFonts"));
theme_cache.doc_bold_font = get_theme_font(SNAME("doc_bold"), SNAME("EditorFonts"));
theme_cache.doc_italic_font = get_theme_font(SNAME("doc_italic"), SNAME("EditorFonts"));
theme_cache.doc_title_font = get_theme_font(SNAME("doc_title"), SNAME("EditorFonts"));
theme_cache.doc_code_font = get_theme_font(SNAME("doc_source"), SNAME("EditorFonts"));
theme_cache.doc_kbd_font = get_theme_font(SNAME("doc_keyboard"), SNAME("EditorFonts"));
theme_cache.doc_font_size = get_theme_font_size(SNAME("doc_size"), SNAME("EditorFonts"));
theme_cache.doc_title_font_size = get_theme_font_size(SNAME("doc_title_size"), SNAME("EditorFonts"));
theme_cache.doc_code_font_size = get_theme_font_size(SNAME("doc_source_size"), SNAME("EditorFonts"));
theme_cache.doc_kbd_font_size = get_theme_font_size(SNAME("doc_keyboard_size"), SNAME("EditorFonts"));
theme_cache.background_style = get_theme_stylebox(SNAME("background"), SNAME("EditorHelp"));
class_desc->add_theme_font_override("normal_font", theme_cache.doc_font);
class_desc->add_theme_font_size_override("normal_font_size", theme_cache.doc_font_size);
class_desc->add_theme_color_override("selection_color", get_theme_color(SNAME("selection_color"), SNAME("EditorHelp")));
class_desc->add_theme_constant_override("line_separation", get_theme_constant(SNAME("line_separation"), SNAME("EditorHelp")));
class_desc->add_theme_constant_override("table_h_separation", get_theme_constant(SNAME("table_h_separation"), SNAME("EditorHelp")));
class_desc->add_theme_constant_override("table_v_separation", get_theme_constant(SNAME("table_v_separation"), SNAME("EditorHelp")));
class_desc->add_theme_constant_override("text_highlight_h_padding", get_theme_constant(SNAME("text_highlight_h_padding"), SNAME("EditorHelp")));
class_desc->add_theme_constant_override("text_highlight_v_padding", get_theme_constant(SNAME("text_highlight_v_padding"), SNAME("EditorHelp")));
}
void EditorHelp::_search(bool p_search_previous) {
if (p_search_previous) {
find_bar->search_prev();
} else {
find_bar->search_next();
}
}
void EditorHelp::_class_desc_finished() {
if (scroll_to >= 0) {
class_desc->scroll_to_paragraph(scroll_to);
}
scroll_to = -1;
}
void EditorHelp::_class_list_select(const String &p_select) {
_goto_desc(p_select);
}
void EditorHelp::_class_desc_select(const String &p_select) {
if (p_select.begins_with("$")) { // enum
String select = p_select.substr(1, p_select.length());
String class_name;
int rfind = select.rfind(".");
if (rfind != -1) {
class_name = select.substr(0, rfind);
select = select.substr(rfind + 1);
} else {
class_name = "@GlobalScope";
}
emit_signal(SNAME("go_to_help"), "class_enum:" + class_name + ":" + select);
return;
} else if (p_select.begins_with("#")) {
emit_signal(SNAME("go_to_help"), "class_name:" + p_select.substr(1, p_select.length()));
return;
} else if (p_select.begins_with("@")) {
int tag_end = p_select.find(" ");
String tag = p_select.substr(1, tag_end - 1);
String link = p_select.substr(tag_end + 1, p_select.length()).lstrip(" ");
String topic;
HashMap<String, int> *table = nullptr;
if (tag == "method") {
topic = "class_method";
table = &this->method_line;
} else if (tag == "member") {
topic = "class_property";
table = &this->property_line;
} else if (tag == "enum") {
topic = "class_enum";
table = &this->enum_line;
} else if (tag == "signal") {
topic = "class_signal";
table = &this->signal_line;
} else if (tag == "constant") {
topic = "class_constant";
table = &this->constant_line;
} else if (tag == "annotation") {
topic = "class_annotation";
table = &this->annotation_line;
} else if (tag == "theme_item") {
topic = "theme_item";
table = &this->theme_property_line;
} else {
return;
}
// Case order is important here to correctly handle edge cases like Variant.Type in @GlobalScope.
if (table->has(link)) {
// Found in the current page.
if (class_desc->is_ready()) {
class_desc->scroll_to_paragraph((*table)[link]);
} else {
scroll_to = (*table)[link];
}
} else {
// Look for link in @GlobalScope.
// Note that a link like @GlobalScope.enum_name will not be found in this section, only enum_name will be.
if (topic == "class_enum") {
const DocData::ClassDoc &cd = doc->class_list["@GlobalScope"];
for (int i = 0; i < cd.constants.size(); i++) {
if (cd.constants[i].enumeration == link) {
// Found in @GlobalScope.
emit_signal(SNAME("go_to_help"), topic + ":@GlobalScope:" + link);
return;
}
}
} else if (topic == "class_constant") {
const DocData::ClassDoc &cd = doc->class_list["@GlobalScope"];
for (int i = 0; i < cd.constants.size(); i++) {
if (cd.constants[i].name == link) {
// Found in @GlobalScope.
emit_signal(SNAME("go_to_help"), topic + ":@GlobalScope:" + link);
return;
}
}
}
if (link.contains(".")) {
int class_end = link.find(".");
emit_signal(SNAME("go_to_help"), topic + ":" + link.substr(0, class_end) + ":" + link.substr(class_end + 1, link.length()));
}
}
} else if (p_select.begins_with("http")) {
OS::get_singleton()->shell_open(p_select);
}
}
void EditorHelp::_class_desc_input(const Ref<InputEvent> &p_input) {
}
void EditorHelp::_class_desc_resized(bool p_force_update_theme) {
// Add extra horizontal margins for better readability.
// The margins increase as the width of the editor help container increases.
real_t char_width = theme_cache.doc_code_font->get_char_size('x', theme_cache.doc_code_font_size).width;
const int new_display_margin = MAX(30 * EDSCALE, get_parent_anchorable_rect().size.width - char_width * 120 * EDSCALE) * 0.5;
if (display_margin != new_display_margin || p_force_update_theme) {
display_margin = new_display_margin;
Ref<StyleBox> class_desc_stylebox = theme_cache.background_style->duplicate();
class_desc_stylebox->set_content_margin(SIDE_LEFT, display_margin);
class_desc_stylebox->set_content_margin(SIDE_RIGHT, display_margin);
class_desc->add_theme_style_override("normal", class_desc_stylebox);
class_desc->add_theme_style_override("focused", class_desc_stylebox);
}
}
void EditorHelp::_add_type(const String &p_type, const String &p_enum, bool p_is_bitfield) {
if (p_type.is_empty() || p_type == "void") {
class_desc->push_color(Color(theme_cache.type_color, 0.5));
class_desc->push_hint(TTR("No return value."));
class_desc->add_text("void");
class_desc->pop();
class_desc->pop();
return;
}
bool is_enum_type = !p_enum.is_empty();
bool is_bitfield = p_is_bitfield && is_enum_type;
bool can_ref = !p_type.contains("*") || is_enum_type;
String link_t = p_type; // For links in metadata
String display_t; // For display purposes.
if (is_enum_type) {
link_t = p_enum; // The link for enums is always the full enum description
display_t = _contextualize_class_specifier(p_enum, edited_class);
} else {
display_t = _contextualize_class_specifier(p_type, edited_class);
}
class_desc->push_color(theme_cache.type_color);
bool add_array = false;
if (can_ref) {
if (link_t.ends_with("[]")) {
add_array = true;
link_t = link_t.trim_suffix("[]");
display_t = display_t.trim_suffix("[]");
class_desc->push_meta("#Array"); // class
class_desc->add_text("Array");
class_desc->pop();
class_desc->add_text("[");
} else if (is_bitfield) {
class_desc->push_color(Color(theme_cache.type_color, 0.5));
class_desc->push_hint(TTR("This value is an integer composed as a bitmask of the following flags."));
class_desc->add_text("BitField");
class_desc->pop();
class_desc->add_text("[");
class_desc->pop();
}
if (is_enum_type) {
class_desc->push_meta("$" + link_t); // enum
} else {
class_desc->push_meta("#" + link_t); // class
}
}
class_desc->add_text(display_t);
if (can_ref) {
class_desc->pop(); // Pushed meta above.
if (add_array) {
class_desc->add_text("]");
} else if (is_bitfield) {
class_desc->push_color(Color(theme_cache.type_color, 0.5));
class_desc->add_text("]");
class_desc->pop();
}
}
class_desc->pop();
}
void EditorHelp::_add_type_icon(const String &p_type, int p_size, const String &p_fallback) {
Ref<Texture2D> icon = EditorNode::get_singleton()->get_class_icon(p_type, p_fallback);
Vector2i size = Vector2i(icon->get_width(), icon->get_height());
if (p_size > 0) {
// Ensures icon scales proportionally on both axis, based on icon height.
float ratio = p_size / float(size.height);
size.width *= ratio;
size.height *= ratio;
}
class_desc->add_image(icon, size.width, size.height);
}
String EditorHelp::_fix_constant(const String &p_constant) const {
if (p_constant.strip_edges() == "4294967295") {
return "0xFFFFFFFF";
}
if (p_constant.strip_edges() == "2147483647") {
return "0x7FFFFFFF";
}
if (p_constant.strip_edges() == "1048575") {
return "0xFFFFF";
}
return p_constant;
}
// Macros for assigning the deprecation/experimental information to class members
#define DEPRECATED_DOC_TAG \
class_desc->push_color(get_theme_color(SNAME("error_color"), SNAME("Editor"))); \
Ref<Texture2D> error_icon = get_theme_icon(SNAME("StatusError"), SNAME("EditorIcons")); \
class_desc->add_text(" "); \
class_desc->add_image(error_icon, error_icon->get_width(), error_icon->get_height()); \
class_desc->add_text(" (" + TTR("Deprecated") + ")"); \
class_desc->pop();
#define EXPERIMENTAL_DOC_TAG \
class_desc->push_color(get_theme_color(SNAME("warning_color"), SNAME("Editor"))); \
Ref<Texture2D> warning_icon = get_theme_icon(SNAME("NodeWarning"), SNAME("EditorIcons")); \
class_desc->add_text(" "); \
class_desc->add_image(warning_icon, warning_icon->get_width(), warning_icon->get_height()); \
class_desc->add_text(" (" + TTR("Experimental") + ")"); \
class_desc->pop();
void EditorHelp::_add_method(const DocData::MethodDoc &p_method, bool p_overview) {
method_line[p_method.name] = class_desc->get_paragraph_count() - 2; // Gets overridden if description
const bool is_vararg = p_method.qualifiers.contains("vararg");
if (p_overview) {
class_desc->push_cell();
class_desc->push_paragraph(HORIZONTAL_ALIGNMENT_RIGHT, Control::TEXT_DIRECTION_AUTO, "");
} else {
_add_bulletpoint();
}
_add_type(p_method.return_type, p_method.return_enum, p_method.return_is_bitfield);
if (p_overview) {
class_desc->pop(); // align
class_desc->pop(); // cell
class_desc->push_cell();
} else {
class_desc->add_text(" ");
}
if (p_overview && !p_method.description.strip_edges().is_empty()) {
class_desc->push_meta("@method " + p_method.name);
}
class_desc->push_color(theme_cache.headline_color);
_add_text(p_method.name);
class_desc->pop();
if (p_overview && !p_method.description.strip_edges().is_empty()) {
class_desc->pop(); // meta
}
class_desc->push_color(theme_cache.symbol_color);
class_desc->add_text("(");
class_desc->pop();
for (int j = 0; j < p_method.arguments.size(); j++) {
class_desc->push_color(theme_cache.text_color);
if (j > 0) {
class_desc->add_text(", ");
}
_add_text(p_method.arguments[j].name);
class_desc->add_text(": ");
_add_type(p_method.arguments[j].type, p_method.arguments[j].enumeration, p_method.arguments[j].is_bitfield);
if (!p_method.arguments[j].default_value.is_empty()) {
class_desc->push_color(theme_cache.symbol_color);
class_desc->add_text(" = ");
class_desc->pop();
class_desc->push_color(theme_cache.value_color);
_add_text(_fix_constant(p_method.arguments[j].default_value));
class_desc->pop();
}
class_desc->pop();
}
if (is_vararg) {
class_desc->push_color(theme_cache.text_color);
if (p_method.arguments.size()) {
class_desc->add_text(", ");
}
class_desc->push_color(theme_cache.symbol_color);
class_desc->add_text("...");
class_desc->pop();
class_desc->pop();
}
class_desc->push_color(theme_cache.symbol_color);
class_desc->add_text(")");
class_desc->pop();
if (!p_method.qualifiers.is_empty()) {
class_desc->push_color(theme_cache.qualifier_color);
PackedStringArray qualifiers = p_method.qualifiers.split_spaces();
for (const String &qualifier : qualifiers) {
String hint;
if (qualifier == "vararg") {
hint = TTR("This method supports a variable number of arguments.");
} else if (qualifier == "virtual") {
hint = TTR("This method is called by the engine.\nIt can be overridden to customize built-in behavior.");
} else if (qualifier == "const") {
hint = TTR("This method has no side effects.\nIt does not modify the object in any way.");
} else if (qualifier == "static") {
hint = TTR("This method does not need an instance to be called.\nIt can be called directly using the class name.");
}
class_desc->add_text(" ");
if (!hint.is_empty()) {
class_desc->push_hint(hint);
class_desc->add_text(qualifier);
class_desc->pop();
} else {
class_desc->add_text(qualifier);
}
}
class_desc->pop();
}
if (p_method.is_deprecated) {
DEPRECATED_DOC_TAG;
}
if (p_method.is_experimental) {
EXPERIMENTAL_DOC_TAG;
}
if (p_overview) {
class_desc->pop(); // cell
}
}
void EditorHelp::_add_bulletpoint() {
static const char32_t prefix[3] = { 0x25CF /* filled circle */, ' ', 0 };
class_desc->add_text(String(prefix));
}
void EditorHelp::_push_normal_font() {
class_desc->push_font(theme_cache.doc_font);
class_desc->push_font_size(theme_cache.doc_font_size);
}
void EditorHelp::_pop_normal_font() {
class_desc->pop();
class_desc->pop();
}
void EditorHelp::_push_title_font() {
class_desc->push_color(theme_cache.title_color);
class_desc->push_font(theme_cache.doc_title_font);
class_desc->push_font_size(theme_cache.doc_title_font_size);
}
void EditorHelp::_pop_title_font() {
class_desc->pop();
class_desc->pop();
class_desc->pop();
}
void EditorHelp::_push_code_font() {
class_desc->push_font(theme_cache.doc_code_font);
class_desc->push_font_size(theme_cache.doc_code_font_size);
}
void EditorHelp::_pop_code_font() {
class_desc->pop();
class_desc->pop();
}
Error EditorHelp::_goto_desc(const String &p_class) {
// If class doesn't have docs listed, attempt on-demand docgen
if (!doc->class_list.has(p_class) && !_attempt_doc_load(p_class)) {
return ERR_DOES_NOT_EXIST;
}
select_locked = true;
class_desc->show();
description_line = 0;
if (p_class == edited_class) {
return OK; // Already there.
}
edited_class = p_class;
_update_doc();
return OK;
}
void EditorHelp::_update_method_list(const Vector<DocData::MethodDoc> p_methods) {
class_desc->add_newline();
_push_code_font();
class_desc->push_indent(1);
class_desc->push_table(2);
class_desc->set_table_column_expand(1, true);
bool any_previous = false;
for (int pass = 0; pass < 2; pass++) {
Vector<DocData::MethodDoc> m;
for (int i = 0; i < p_methods.size(); i++) {
const String &q = p_methods[i].qualifiers;
if ((pass == 0 && q.contains("virtual")) || (pass == 1 && !q.contains("virtual"))) {
m.push_back(p_methods[i]);
}
}
if (any_previous && !m.is_empty()) {
class_desc->push_cell();
class_desc->pop(); // cell
class_desc->push_cell();
class_desc->pop(); // cell
}
String group_prefix;
for (int i = 0; i < m.size(); i++) {
const String new_prefix = m[i].name.substr(0, 3);
bool is_new_group = false;
if (i < m.size() - 1 && new_prefix == m[i + 1].name.substr(0, 3) && new_prefix != group_prefix) {
is_new_group = i > 0;
group_prefix = new_prefix;
} else if (!group_prefix.is_empty() && new_prefix != group_prefix) {
is_new_group = true;
group_prefix = "";
}
if (is_new_group && pass == 1) {
class_desc->push_cell();
class_desc->pop(); // cell
class_desc->push_cell();
class_desc->pop(); // cell
}
_add_method(m[i], true);
}
any_previous = !m.is_empty();
}
class_desc->pop(); // table
class_desc->pop();
_pop_code_font();
class_desc->add_newline();
class_desc->add_newline();
}
void EditorHelp::_update_method_descriptions(const DocData::ClassDoc p_classdoc, const Vector<DocData::MethodDoc> p_methods, const String &p_method_type) {
String link_color_text = theme_cache.title_color.to_html(false);
class_desc->add_newline();
class_desc->add_newline();
for (int pass = 0; pass < 2; pass++) {
Vector<DocData::MethodDoc> methods_filtered;
for (int i = 0; i < p_methods.size(); i++) {
const String &q = p_methods[i].qualifiers;
if ((pass == 0 && q.contains("virtual")) || (pass == 1 && !q.contains("virtual"))) {
methods_filtered.push_back(p_methods[i]);
}
}
for (int i = 0; i < methods_filtered.size(); i++) {
_push_code_font();
_add_method(methods_filtered[i], false);
_pop_code_font();
class_desc->add_newline();
class_desc->add_newline();
class_desc->push_color(theme_cache.text_color);
_push_normal_font();
class_desc->push_indent(1);
if (methods_filtered[i].errors_returned.size()) {
class_desc->append_text(TTR("Error codes returned:"));
class_desc->add_newline();
class_desc->push_list(0, RichTextLabel::LIST_DOTS, false);
for (int j = 0; j < methods_filtered[i].errors_returned.size(); j++) {
if (j > 0) {
class_desc->add_newline();
}
int val = methods_filtered[i].errors_returned[j];
String text = itos(val);
for (int k = 0; k < CoreConstants::get_global_constant_count(); k++) {
if (CoreConstants::get_global_constant_value(k) == val && CoreConstants::get_global_constant_enum(k) == SNAME("Error")) {
text = CoreConstants::get_global_constant_name(k);
break;
}
}
class_desc->push_bold();
class_desc->append_text(text);
class_desc->pop();
}
class_desc->pop();
class_desc->add_newline();
class_desc->add_newline();
}
if (!methods_filtered[i].description.strip_edges().is_empty()) {
_add_text(DTR(methods_filtered[i].description));
} else {
class_desc->add_image(get_theme_icon(SNAME("Error"), SNAME("EditorIcons")));
class_desc->add_text(" ");
class_desc->push_color(theme_cache.comment_color);
if (p_classdoc.is_script_doc) {
class_desc->append_text(vformat(TTR("There is currently no description for this %s."), p_method_type));
} else {
class_desc->append_text(vformat(TTR("There is currently no description for this %s. Please help us by [color=$color][url=$url]contributing one[/url][/color]!"), p_method_type).replace("$url", CONTRIBUTE_URL).replace("$color", link_color_text));
}
class_desc->pop();
}
class_desc->pop();
_pop_normal_font();
class_desc->pop();
class_desc->add_newline();
class_desc->add_newline();
class_desc->add_newline();
}
}
}
void EditorHelp::_update_doc() {
if (!doc->class_list.has(edited_class)) {
return;
}
scroll_locked = true;
class_desc->clear();
method_line.clear();
section_line.clear();
String link_color_text = theme_cache.title_color.to_html(false);
DocData::ClassDoc cd = doc->class_list[edited_class]; // Make a copy, so we can sort without worrying.
// Class name
section_line.push_back(Pair<String, int>(TTR("Top"), 0));
_push_title_font();
class_desc->add_text(TTR("Class:") + " ");
_add_type_icon(edited_class, theme_cache.doc_title_font_size, "Object");
class_desc->add_text(" ");
class_desc->push_color(theme_cache.headline_color);
_add_text(edited_class);
class_desc->pop(); // color
_pop_title_font();
if (cd.is_deprecated) {
class_desc->add_text(" ");
Ref<Texture2D> error_icon = get_theme_icon(SNAME("StatusError"), SNAME("EditorIcons"));
class_desc->add_image(error_icon, error_icon->get_width(), error_icon->get_height());
}
if (cd.is_experimental) {
class_desc->add_text(" ");
Ref<Texture2D> warning_icon = get_theme_icon(SNAME("NodeWarning"), SNAME("EditorIcons"));
class_desc->add_image(warning_icon, warning_icon->get_width(), warning_icon->get_height());
}
class_desc->add_newline();
const String non_breaking_space = String::chr(160);
// Inheritance tree
// Ascendents
if (!cd.inherits.is_empty()) {
class_desc->push_color(theme_cache.title_color);
_push_normal_font();
class_desc->add_text(TTR("Inherits:") + " ");
String inherits = cd.inherits;
while (!inherits.is_empty()) {
_add_type_icon(inherits, theme_cache.doc_font_size, "ArrowRight");
class_desc->add_text(non_breaking_space); // Otherwise icon borrows hyperlink from _add_type().
_add_type(inherits);
inherits = doc->class_list[inherits].inherits;
if (!inherits.is_empty()) {
class_desc->add_text(" < ");
}
}
_pop_normal_font();
class_desc->pop();
class_desc->add_newline();
}
// Descendents
if (cd.is_script_doc || ClassDB::class_exists(cd.name)) {
bool found = false;
bool prev = false;
_push_normal_font();
for (const KeyValue<String, DocData::ClassDoc> &E : doc->class_list) {
if (E.value.inherits == cd.name) {
if (!found) {
class_desc->push_color(theme_cache.title_color);
class_desc->add_text(TTR("Inherited by:") + " ");
found = true;
}
if (prev) {
class_desc->add_text(" , ");
}
_add_type_icon(E.value.name, theme_cache.doc_font_size, "ArrowRight");
class_desc->add_text(non_breaking_space); // Otherwise icon borrows hyperlink from _add_type().
_add_type(E.value.name);
prev = true;
}
}
_pop_normal_font();
if (found) {
class_desc->pop();
class_desc->add_newline();
}
}
// Note if deprecated.
if (cd.is_deprecated) {
Ref<Texture2D> error_icon = get_theme_icon(SNAME("StatusError"), SNAME("EditorIcons"));
class_desc->push_color(get_theme_color(SNAME("error_color"), SNAME("Editor")));
class_desc->add_image(error_icon, error_icon->get_width(), error_icon->get_height());
class_desc->add_text(String(" ") + TTR("This class is marked as deprecated. It will be removed in future versions."));
class_desc->pop();
class_desc->add_newline();
}
// Note if experimental.
if (cd.is_experimental) {
Ref<Texture2D> warning_icon = get_theme_icon(SNAME("NodeWarning"), SNAME("EditorIcons"));
class_desc->push_color(get_theme_color(SNAME("warning_color"), SNAME("Editor")));
class_desc->add_image(warning_icon, warning_icon->get_width(), warning_icon->get_height());
class_desc->add_text(String(" ") + TTR("This class is marked as experimental. It is subject to likely change or possible removal in future versions. Use at your own discretion."));
class_desc->pop();
class_desc->add_newline();
}
bool has_description = false;
class_desc->add_newline();
class_desc->add_newline();
// Brief description
if (!cd.brief_description.strip_edges().is_empty()) {
has_description = true;
class_desc->push_color(theme_cache.text_color);
class_desc->push_font(theme_cache.doc_bold_font);
class_desc->push_indent(1);
_add_text(DTR(cd.brief_description));
class_desc->pop();
class_desc->pop();
class_desc->pop();
class_desc->add_newline();
class_desc->add_newline();
class_desc->add_newline();
}
// Class description
if (!cd.description.strip_edges().is_empty()) {
has_description = true;
section_line.push_back(Pair<String, int>(TTR("Description"), class_desc->get_paragraph_count() - 2));
description_line = class_desc->get_paragraph_count() - 2;
_push_title_font();
class_desc->add_text(TTR("Description"));
_pop_title_font();
class_desc->add_newline();
class_desc->add_newline();
class_desc->push_color(theme_cache.text_color);
_push_normal_font();
class_desc->push_indent(1);
_add_text(DTR(cd.description));
class_desc->pop();
_pop_normal_font();
class_desc->pop();
class_desc->add_newline();
class_desc->add_newline();
class_desc->add_newline();
}
if (!has_description) {
class_desc->add_image(get_theme_icon(SNAME("Error"), SNAME("EditorIcons")));
class_desc->add_text(" ");
class_desc->push_color(theme_cache.comment_color);
if (cd.is_script_doc) {
class_desc->append_text(TTR("There is currently no description for this class."));
} else {
class_desc->append_text(TTR("There is currently no description for this class. Please help us by [color=$color][url=$url]contributing one[/url][/color]!").replace("$url", CONTRIBUTE_URL).replace("$color", link_color_text));
}
class_desc->add_newline();
class_desc->add_newline();
}
#ifdef MODULE_MONO_ENABLED
if (classes_with_csharp_differences.has(cd.name)) {
const String &csharp_differences_url = vformat("%s/tutorials/scripting/c_sharp/c_sharp_differences.html", VERSION_DOCS_URL);
class_desc->push_color(theme_cache.text_color);
_push_normal_font();
class_desc->push_indent(1);
_add_text("[b]" + TTR("Note:") + "[/b] " + vformat(TTR("There are notable differences when using this API with C#. See [url=%s]C# API differences to GDScript[/url] for more information."), csharp_differences_url));
class_desc->pop();
_pop_normal_font();
class_desc->pop();
class_desc->add_newline();
class_desc->add_newline();
}
#endif
// Online tutorials
if (cd.tutorials.size()) {
_push_title_font();
class_desc->add_text(TTR("Online Tutorials"));
_pop_title_font();
class_desc->add_newline();
class_desc->push_indent(1);
_push_code_font();
for (int i = 0; i < cd.tutorials.size(); i++) {
const String link = DTR(cd.tutorials[i].link);
String linktxt = (cd.tutorials[i].title.is_empty()) ? link : DTR(cd.tutorials[i].title);
const int seppos = linktxt.find("//");
if (seppos != -1) {
linktxt = link.substr(seppos + 2);
}
class_desc->push_color(theme_cache.symbol_color);
class_desc->append_text("[url=" + link + "]" + linktxt + "[/url]");
class_desc->pop();
class_desc->add_newline();
}
_pop_code_font();
class_desc->pop();
class_desc->add_newline();
class_desc->add_newline();
}
// Properties overview
HashSet<String> skip_methods;
bool has_properties = false;
bool has_property_descriptions = false;
for (const DocData::PropertyDoc &prop : cd.properties) {
if (cd.is_script_doc && prop.name.begins_with("_") && prop.description.strip_edges().is_empty()) {
continue;
}
has_properties = true;
if (!prop.overridden) {
has_property_descriptions = true;
break;
}
}
if (has_properties) {
section_line.push_back(Pair<String, int>(TTR("Properties"), class_desc->get_paragraph_count() - 2));
_push_title_font();
class_desc->add_text(TTR("Properties"));
_pop_title_font();
class_desc->add_newline();
_push_code_font();
class_desc->push_indent(1);
class_desc->push_table(4);
class_desc->set_table_column_expand(1, true);
for (int i = 0; i < cd.properties.size(); i++) {
// Ignore undocumented private.
if (cd.properties[i].name.begins_with("_") && cd.properties[i].description.strip_edges().is_empty()) {
continue;
}
property_line[cd.properties[i].name] = class_desc->get_paragraph_count() - 2; //gets overridden if description
// Property type.
class_desc->push_cell();
class_desc->push_paragraph(HORIZONTAL_ALIGNMENT_RIGHT, Control::TEXT_DIRECTION_AUTO, "");
_push_code_font();
_add_type(cd.properties[i].type, cd.properties[i].enumeration, cd.properties[i].is_bitfield);
_pop_code_font();
class_desc->pop();
class_desc->pop(); // cell
bool describe = false;
if (!cd.properties[i].setter.is_empty()) {
skip_methods.insert(cd.properties[i].setter);
describe = true;
}