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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/config/project_settings.h"
#include "core/core_constants.h"
#include "core/extension/gdextension.h"
#include "core/input/input.h"
#include "core/io/json.h"
#include "core/object/script_language.h"
#include "core/os/keyboard.h"
#include "core/string/string_builder.h"
#include "core/version.h"
#include "editor/doc_data_compressed.gen.h"
#include "editor/editor_file_system.h"
#include "editor/editor_main_screen.h"
#include "editor/editor_node.h"
#include "editor/editor_paths.h"
#include "editor/editor_property_name_processor.h"
#include "editor/editor_settings.h"
#include "editor/editor_string_names.h"
#include "editor/filesystem_dock.h"
#include "editor/gui/editor_toaster.h"
#include "editor/plugins/script_editor_plugin.h"
#include "editor/themes/editor_scale.h"
#include "scene/gui/line_edit.h"
#include "modules/modules_enabled.gen.h" // For gdscript, mono.
// For syntax highlighting.
#ifdef MODULE_GDSCRIPT_ENABLED
#include "modules/gdscript/editor/gdscript_highlighter.h"
#include "modules/gdscript/gdscript.h"
#endif
// For syntax highlighting.
#ifdef MODULE_MONO_ENABLED
#include "editor/plugins/script_editor_plugin.h"
#include "modules/mono/csharp_script.h"
#endif
#define CONTRIBUTE_URL vformat("%s/contributing/documentation/updating_the_class_reference.html", GODOT_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",
"PackedVector4Array",
"Variant",
};
#endif
static const String nbsp = String::chr(160);
static const String nbsp_equal_nbsp = nbsp + "=" + nbsp;
static const String colon_nbsp = ":" + nbsp;
const Vector<String> packed_array_types = {
"PackedByteArray",
"PackedColorArray",
"PackedFloat32Array",
"PackedFloat64Array",
"PackedInt32Array",
"PackedInt64Array",
"PackedStringArray",
"PackedVector2Array",
"PackedVector3Array",
"PackedVector4Array",
};
static String _replace_nbsp_with_space(const String &p_string) {
return p_string.replace(nbsp, " ");
}
static String _fix_constant(const String &p_constant) {
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;
}
static void _add_qualifiers_to_rt(const String &p_qualifiers, RichTextLabel *p_rt) {
for (const String &qualifier : p_qualifiers.split_spaces()) {
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.");
}
p_rt->add_text(" ");
if (hint.is_empty()) {
p_rt->add_text(qualifier);
} else {
p_rt->push_hint(hint);
p_rt->add_text(qualifier);
p_rt->pop(); // hint
}
}
}
// 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()` and `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_char('.');
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` and `TreeItem`.
// `begins_with()` and `length()`s 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);
}
/// EditorHelp ///
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.override_color = get_theme_color(SNAME("override_color"), SNAME("EditorHelp"));
theme_cache.doc_font = get_theme_font(SNAME("doc"), EditorStringName(EditorFonts));
theme_cache.doc_bold_font = get_theme_font(SNAME("doc_bold"), EditorStringName(EditorFonts));
theme_cache.doc_italic_font = get_theme_font(SNAME("doc_italic"), EditorStringName(EditorFonts));
theme_cache.doc_title_font = get_theme_font(SNAME("doc_title"), EditorStringName(EditorFonts));
theme_cache.doc_code_font = get_theme_font(SNAME("doc_source"), EditorStringName(EditorFonts));
theme_cache.doc_kbd_font = get_theme_font(SNAME("doc_keyboard"), EditorStringName(EditorFonts));
theme_cache.doc_font_size = get_theme_font_size(SNAME("doc_size"), EditorStringName(EditorFonts));
theme_cache.doc_title_font_size = get_theme_font_size(SNAME("doc_title_size"), EditorStringName(EditorFonts));
theme_cache.doc_code_font_size = get_theme_font_size(SNAME("doc_source_size"), EditorStringName(EditorFonts));
theme_cache.doc_kbd_font_size = get_theme_font_size(SNAME("doc_keyboard_size"), EditorStringName(EditorFonts));
theme_cache.background_style = get_theme_stylebox(SNAME("background"), SNAME("EditorHelp"));
class_desc->begin_bulk_theme_override();
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_constant_override(SceneStringName(line_separation), get_theme_constant(SceneStringName(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")));
class_desc->end_bulk_theme_override();
}
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->connect(SceneStringName(draw), callable_mp(class_desc, &RichTextLabel::scroll_to_paragraph).bind(scroll_to), CONNECT_ONE_SHOT | CONNECT_DEFERRED);
}
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.
const String link = p_select.substr(1);
String enum_class_name;
String enum_name;
if (CoreConstants::is_global_enum(link)) {
enum_class_name = "@GlobalScope";
enum_name = link;
} else {
const int dot_pos = link.rfind_char('.');
if (dot_pos >= 0) {
enum_class_name = link.left(dot_pos);
enum_name = link.substr(dot_pos + 1);
} else {
enum_class_name = edited_class;
enum_name = link;
}
}
emit_signal(SNAME("go_to_help"), "class_enum:" + enum_class_name + ":" + enum_name);
} else if (p_select.begins_with("#")) { // Class.
emit_signal(SNAME("go_to_help"), "class_name:" + p_select.substr(1));
} else if (p_select.begins_with("@")) { // Member.
const int tag_end = p_select.find_char(' ');
const String tag = p_select.substr(1, tag_end - 1);
const String link = p_select.substr(tag_end + 1).lstrip(" ");
String topic;
const HashMap<String, int> *table = nullptr;
if (tag == "method") {
topic = "class_method";
table = &method_line;
} else if (tag == "constructor") {
topic = "class_method";
table = &method_line;
} else if (tag == "operator") {
topic = "class_method";
table = &method_line;
} else if (tag == "member") {
topic = "class_property";
table = &property_line;
} else if (tag == "enum") {
topic = "class_enum";
table = &enum_line;
} else if (tag == "signal") {
topic = "class_signal";
table = &signal_line;
} else if (tag == "constant") {
topic = "class_constant";
table = &constant_line;
} else if (tag == "annotation") {
topic = "class_annotation";
table = &annotation_line;
} else if (tag == "theme_item") {
topic = "class_theme_item";
table = &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_finished()) {
emit_signal(SNAME("request_save_history"));
class_desc->scroll_to_paragraph((*table)[link]);
} else {
scroll_to = (*table)[link];
}
} else {
// Look for link in `@GlobalScope`.
if (topic == "class_enum") {
const DocData::ClassDoc &cd = doc->class_list["@GlobalScope"];
const String enum_link = link.trim_prefix("@GlobalScope.");
for (const DocData::ConstantDoc &constant : cd.constants) {
if (constant.enumeration == enum_link) {
// Found in `@GlobalScope`.
emit_signal(SNAME("go_to_help"), topic + ":@GlobalScope:" + enum_link);
return;
}
}
} else if (topic == "class_constant") {
const DocData::ClassDoc &cd = doc->class_list["@GlobalScope"];
for (const DocData::ConstantDoc &constant : cd.constants) {
if (constant.name == link) {
// Found in `@GlobalScope`.
emit_signal(SNAME("go_to_help"), topic + ":@GlobalScope:" + link);
return;
}
}
}
if (link.contains_char('.')) {
const int class_end = link.rfind_char('.');
emit_signal(SNAME("go_to_help"), topic + ":" + link.left(class_end) + ":" + link.substr(class_end + 1));
}
}
} else if (p_select.begins_with("http:") || p_select.begins_with("https:")) {
OS::get_singleton()->shell_open(p_select);
} else if (p_select.begins_with("^")) { // Copy button.
DisplayServer::get_singleton()->clipboard_set(p_select.substr(1));
EditorToaster::get_singleton()->popup_str(TTR("Code snippet copied to clipboard."), EditorToaster::SEVERITY_INFO);
}
}
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(CoreStringName(normal), class_desc_stylebox);
class_desc->add_theme_style_override("focused", class_desc_stylebox);
}
}
static void _add_type_to_rt(const String &p_type, const String &p_enum, bool p_is_bitfield, RichTextLabel *p_rt, const Control *p_owner_node, const String &p_class) {
const Color type_color = p_owner_node->get_theme_color(SNAME("type_color"), SNAME("EditorHelp"));
if (p_type.is_empty() || p_type == "void") {
p_rt->push_color(Color(type_color, 0.5));
p_rt->push_hint(TTR("No return value."));
p_rt->add_text("void");
p_rt->pop(); // hint
p_rt->pop(); // color
return;
}
bool is_enum_type = !p_enum.is_empty();
bool is_bitfield = p_is_bitfield && is_enum_type;
bool can_ref = !p_type.contains_char('*') || 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, p_class);
} else {
display_t = _contextualize_class_specifier(p_type, p_class);
}
p_rt->push_color(type_color);
bool add_typed_container = false;
if (can_ref) {
if (link_t.ends_with("[]")) {
add_typed_container = true;
link_t = link_t.trim_suffix("[]");
display_t = display_t.trim_suffix("[]");
p_rt->push_meta("#Array", RichTextLabel::META_UNDERLINE_ON_HOVER); // class
p_rt->add_text("Array");
p_rt->pop(); // meta
p_rt->add_text("[");
} else if (link_t.begins_with("Dictionary[")) {
add_typed_container = true;
link_t = link_t.trim_prefix("Dictionary[").trim_suffix("]");
display_t = display_t.trim_prefix("Dictionary[").trim_suffix("]");
p_rt->push_meta("#Dictionary", RichTextLabel::META_UNDERLINE_ON_HOVER); // class
p_rt->add_text("Dictionary");
p_rt->pop(); // meta
p_rt->add_text("[");
p_rt->push_meta("#" + link_t.get_slice(", ", 0), RichTextLabel::META_UNDERLINE_ON_HOVER); // class
p_rt->add_text(_contextualize_class_specifier(display_t.get_slice(", ", 0), p_class));
p_rt->pop(); // meta
p_rt->add_text(", ");
link_t = link_t.get_slice(", ", 1);
display_t = _contextualize_class_specifier(display_t.get_slice(", ", 1), p_class);
} else if (is_bitfield) {
p_rt->push_color(Color(type_color, 0.5));
p_rt->push_hint(TTR("This value is an integer composed as a bitmask of the following flags."));
p_rt->add_text("BitField");
p_rt->pop(); // hint
p_rt->add_text("[");
p_rt->pop(); // color
}
if (is_enum_type) {
p_rt->push_meta("$" + link_t, RichTextLabel::META_UNDERLINE_ON_HOVER); // enum
} else {
p_rt->push_meta("#" + link_t, RichTextLabel::META_UNDERLINE_ON_HOVER); // class
}
}
p_rt->add_text(display_t);
if (can_ref) {
p_rt->pop(); // meta
if (add_typed_container) {
p_rt->add_text("]");
} else if (is_bitfield) {
p_rt->push_color(Color(type_color, 0.5));
p_rt->add_text("]");
p_rt->pop(); // color
}
}
p_rt->pop(); // color
}
void EditorHelp::_add_type(const String &p_type, const String &p_enum, bool p_is_bitfield) {
_add_type_to_rt(p_type, p_enum, p_is_bitfield, class_desc, this, edited_class);
}
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 axes, 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);
}
// Macros for assigning the deprecated/experimental marks to class members in overview.
#define DEPRECATED_DOC_TAG \
class_desc->push_font(theme_cache.doc_bold_font); \
class_desc->push_color(get_theme_color(SNAME("error_color"), EditorStringName(Editor))); \
Ref<Texture2D> error_icon = get_editor_theme_icon(SNAME("StatusError")); \
class_desc->add_image(error_icon, error_icon->get_width(), error_icon->get_height()); \
class_desc->add_text(String::chr(160) + TTR("Deprecated")); \
class_desc->pop(); \
class_desc->pop();
#define EXPERIMENTAL_DOC_TAG \
class_desc->push_font(theme_cache.doc_bold_font); \
class_desc->push_color(get_theme_color(SNAME("warning_color"), EditorStringName(Editor))); \
Ref<Texture2D> warning_icon = get_editor_theme_icon(SNAME("NodeWarning")); \
class_desc->add_image(warning_icon, warning_icon->get_width(), warning_icon->get_height()); \
class_desc->add_text(String::chr(160) + TTR("Experimental")); \
class_desc->pop(); \
class_desc->pop();
// Macros for displaying the deprecated/experimental info in class member descriptions.
#define DEPRECATED_DOC_MSG(m_message, m_default_message) \
Ref<Texture2D> error_icon = get_editor_theme_icon(SNAME("StatusError")); \
class_desc->add_image(error_icon, error_icon->get_width(), error_icon->get_height()); \
class_desc->add_text(nbsp); \
class_desc->push_color(get_theme_color(SNAME("error_color"), EditorStringName(Editor))); \
class_desc->push_font(theme_cache.doc_bold_font); \
class_desc->add_text(TTR("Deprecated:")); \
class_desc->pop(); \
class_desc->pop(); \
class_desc->add_text(" "); \
if ((m_message).is_empty()) { \
class_desc->add_text(m_default_message); \
} else { \
_add_text(m_message); \
}
#define EXPERIMENTAL_DOC_MSG(m_message, m_default_message) \
Ref<Texture2D> warning_icon = get_editor_theme_icon(SNAME("NodeWarning")); \
class_desc->add_image(warning_icon, warning_icon->get_width(), warning_icon->get_height()); \
class_desc->add_text(nbsp); \
class_desc->push_color(get_theme_color(SNAME("warning_color"), EditorStringName(Editor))); \
class_desc->push_font(theme_cache.doc_bold_font); \
class_desc->add_text(TTR("Experimental:")); \
class_desc->pop(); \
class_desc->pop(); \
class_desc->add_text(" "); \
if ((m_message).is_empty()) { \
class_desc->add_text(m_default_message); \
} else { \
_add_text(m_message); \
}
void EditorHelp::_add_method(const DocData::MethodDoc &p_method, bool p_overview, bool p_override) {
if (p_override) {
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(); // paragraph
class_desc->pop(); // cell
class_desc->push_cell();
} else {
class_desc->add_text(" ");
}
const bool is_documented = p_method.is_deprecated || p_method.is_experimental || !p_method.description.strip_edges().is_empty();
if (p_overview && is_documented) {
class_desc->push_meta("@method " + p_method.name, RichTextLabel::META_UNDERLINE_ON_HOVER);
}
class_desc->push_color(theme_cache.headline_color);
class_desc->add_text(p_method.name);
class_desc->pop(); // color
if (p_overview && is_documented) {
class_desc->pop(); // meta
}
class_desc->push_color(theme_cache.symbol_color);
class_desc->add_text("(");
class_desc->pop(); // color
for (int j = 0; j < p_method.arguments.size(); j++) {
const DocData::ArgumentDoc &argument = p_method.arguments[j];
class_desc->push_color(theme_cache.text_color);
if (j > 0) {
class_desc->add_text(", ");
}
class_desc->add_text(argument.name);
class_desc->add_text(colon_nbsp);
_add_type(argument.type, argument.enumeration, argument.is_bitfield);
if (!argument.default_value.is_empty()) {
class_desc->push_color(theme_cache.symbol_color);
class_desc->add_text(nbsp_equal_nbsp);
class_desc->pop(); // color
class_desc->push_color(theme_cache.value_color);
class_desc->add_text(_fix_constant(argument.default_value));
class_desc->pop(); // color
}
class_desc->pop(); // color
}
if (is_vararg) {
if (!p_method.arguments.is_empty()) {
class_desc->push_color(theme_cache.text_color);
class_desc->add_text(", ");
class_desc->pop(); // color
}
class_desc->push_color(theme_cache.symbol_color);
class_desc->add_text("...");
class_desc->pop(); // color
}
class_desc->push_color(theme_cache.symbol_color);
class_desc->add_text(")");
class_desc->pop(); // color
if (!p_method.qualifiers.is_empty()) {
class_desc->push_color(theme_cache.qualifier_color);
_add_qualifiers_to_rt(p_method.qualifiers, class_desc);
class_desc->pop(); // color
}
if (p_overview) {
if (p_method.is_deprecated) {
class_desc->add_text(" ");
DEPRECATED_DOC_TAG;
}
if (p_method.is_experimental) {
class_desc->add_text(" ");
EXPERIMENTAL_DOC_TAG;
}
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(); // font_size
class_desc->pop(); // font
}
void EditorHelp::_push_title_font() {
class_desc->push_font(theme_cache.doc_title_font);
class_desc->push_font_size(theme_cache.doc_title_font_size);
class_desc->push_color(theme_cache.title_color);
}
void EditorHelp::_pop_title_font() {
class_desc->pop(); // color
class_desc->pop(); // font_size
class_desc->pop(); // font
}
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(); // font_size
class_desc->pop(); // font
}
Error EditorHelp::_goto_desc(const String &p_class) {
if (!doc->class_list.has(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(MethodType p_method_type, const Vector<DocData::MethodDoc> &p_methods) {
class_desc->add_newline();
class_desc->add_newline();
static const char *titles_by_type[METHOD_TYPE_MAX] = {
TTRC("Methods"),
TTRC("Constructors"),
TTRC("Operators"),
};
const String title = TTRGET(titles_by_type[p_method_type]);
section_line.push_back(Pair<String, int>(title, class_desc->get_paragraph_count() - 2));
_push_title_font();
class_desc->add_text(title);
_pop_title_font();
class_desc->add_newline();
class_desc->add_newline();
class_desc->push_indent(1);
_push_code_font();
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 (const DocData::MethodDoc &method : p_methods) {
const String &q = method.qualifiers;
if ((pass == 0 && q.contains("virtual")) || (pass == 1 && !q.contains("virtual"))) {
m.push_back(method);
}
}
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.left(3);
bool is_new_group = false;
if (i < m.size() - 1 && new_prefix == m[i + 1].name.left(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
}
// For constructors always point to the first one.
_add_method(m[i], true, (p_method_type != METHOD_TYPE_CONSTRUCTOR || i == 0));
}
any_previous = !m.is_empty();
}
class_desc->pop(); // table
_pop_code_font();
class_desc->pop(); // indent
}
void EditorHelp::_update_method_descriptions(const DocData::ClassDoc &p_classdoc, MethodType p_method_type, const Vector<DocData::MethodDoc> &p_methods) {
#define HANDLE_DOC(m_string) ((p_classdoc.is_script_doc ? (m_string) : DTR(m_string)).strip_edges())
class_desc->add_newline();
class_desc->add_newline();
class_desc->add_newline();
static const char *titles_by_type[METHOD_TYPE_MAX] = {
TTRC("Method Descriptions"),
TTRC("Constructor Descriptions"),
TTRC("Operator Descriptions"),
};
const String title = TTRGET(titles_by_type[p_method_type]);
section_line.push_back(Pair<String, int>(title, class_desc->get_paragraph_count() - 2));
_push_title_font();
class_desc->add_text(title);
_pop_title_font();
String link_color_text = theme_cache.title_color.to_html(false);
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++) {
const DocData::MethodDoc &method = methods_filtered[i];
class_desc->add_newline();
class_desc->add_newline();
class_desc->add_newline();
_push_code_font();
// For constructors always point to the first one.
_add_method(method, false, (p_method_type != METHOD_TYPE_CONSTRUCTOR || i == 0));
_pop_code_font();
class_desc->add_newline();
class_desc->add_newline();
class_desc->push_indent(1);
_push_normal_font();
class_desc->push_color(theme_cache.text_color);
bool has_prev_text = false;
if (method.is_deprecated) {
has_prev_text = true;
static const char *messages_by_type[METHOD_TYPE_MAX] = {
TTRC("This method may be changed or removed in future versions."),
TTRC("This constructor may be changed or removed in future versions."),
TTRC("This operator may be changed or removed in future versions."),
};
DEPRECATED_DOC_MSG(HANDLE_DOC(method.deprecated_message), TTRGET(messages_by_type[p_method_type]));
}
if (method.is_experimental) {
if (has_prev_text) {
class_desc->add_newline();
class_desc->add_newline();
}
has_prev_text = true;
static const char *messages_by_type[METHOD_TYPE_MAX] = {
TTRC("This method may be changed or removed in future versions."),
TTRC("This constructor may be changed or removed in future versions."),
TTRC("This operator may be changed or removed in future versions."),
};
EXPERIMENTAL_DOC_MSG(HANDLE_DOC(method.experimental_message), TTRGET(messages_by_type[p_method_type]));
}
if (!method.errors_returned.is_empty()) {
if (has_prev_text) {
class_desc->add_newline();
class_desc->add_newline();
}
has_prev_text = true;
class_desc->add_text(TTR("Error codes returned:"));
class_desc->add_newline();
class_desc->push_list(0, RichTextLabel::LIST_DOTS, false);
for (int j = 0; j < method.errors_returned.size(); j++) {
if (j > 0) {
class_desc->add_newline();
}
int val = method.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_font(theme_cache.doc_bold_font);
class_desc->add_text(text);
class_desc->pop(); // font
}
class_desc->pop(); // list
}
const String descr = HANDLE_DOC(method.description);
const bool is_documented = method.is_deprecated || method.is_experimental || !descr.is_empty();
if (!descr.is_empty()) {
if (has_prev_text) {
class_desc->add_newline();
class_desc->add_newline();
}
has_prev_text = true;
_add_text(descr);
} else if (!is_documented) {
if (has_prev_text) {
class_desc->add_newline();
class_desc->add_newline();
}
has_prev_text = true;
String message;
if (p_classdoc.is_script_doc) {
static const char *messages_by_type[METHOD_TYPE_MAX] = {
TTRC("There is currently no description for this method."),
TTRC("There is currently no description for this constructor."),
TTRC("There is currently no description for this operator."),
};
message = TTRGET(messages_by_type[p_method_type]);
} else {
static const char *messages_by_type[METHOD_TYPE_MAX] = {
TTRC("There is currently no description for this method. Please help us by [color=$color][url=$url]contributing one[/url][/color]!"),
TTRC("There is currently no description for this constructor. Please help us by [color=$color][url=$url]contributing one[/url][/color]!"),
TTRC("There is currently no description for this operator. Please help us by [color=$color][url=$url]contributing one[/url][/color]!"),
};
message = TTRGET(messages_by_type[p_method_type]).replace("$url", CONTRIBUTE_URL).replace("$color", link_color_text);
}
class_desc->add_image(get_editor_theme_icon(SNAME("Error")));
class_desc->add_text(" ");
class_desc->push_color(theme_cache.comment_color);
class_desc->append_text(message);
class_desc->pop(); // color
}
class_desc->pop(); // color
_pop_normal_font();
class_desc->pop(); // indent
}
}
#undef HANDLE_DOC
}
void EditorHelp::_update_doc() {
if (!doc->class_list.has(edited_class)) {
return;
}
scroll_locked = true;
class_desc->clear();
method_line.clear();
section_line.clear();
section_line.push_back(Pair<String, int>(TTR("Top"), 0));
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.
#define HANDLE_DOC(m_string) ((cd.is_script_doc ? (m_string) : DTR(m_string)).strip_edges())
// Class name
_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(nbsp);
class_desc->push_color(theme_cache.headline_color);
class_desc->add_text(edited_class);
class_desc->pop(); // color
_pop_title_font();
if (cd.is_deprecated) {
class_desc->add_newline();
DEPRECATED_DOC_MSG(HANDLE_DOC(cd.deprecated_message), TTR("This class may be changed or removed in future versions."));
}
if (cd.is_experimental) {
class_desc->add_newline();
EXPERIMENTAL_DOC_MSG(HANDLE_DOC(cd.experimental_message), TTR("This class may be changed or removed in future versions."));
}
// Inheritance tree
// Ascendents
if (!cd.inherits.is_empty()) {
class_desc->add_newline();
_push_normal_font();
class_desc->push_color(theme_cache.title_color);
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(nbsp); // Otherwise icon borrows hyperlink from `_add_type()`.
_add_type(inherits);
const DocData::ClassDoc *base_class_doc = doc->class_list.getptr(inherits);
inherits = base_class_doc ? base_class_doc->inherits : String();
if (!inherits.is_empty()) {
class_desc->add_text(" < ");
}
}
class_desc->pop(); // color
_pop_normal_font();
}