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Editor Help: Add syntax highlighting for code blocks

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This commit is contained in:
Danil Alexeev 2024-03-08 22:16:55 +03:00
parent ffc41fb76d
commit 87718d2a6e
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GPG key ID: 124453E157DA8DC7
6 changed files with 476 additions and 175 deletions
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42
doc/tools/make_rst.py
View file

@ -437,7 +437,7 @@ class State:
class TagState:
def __init__(self, raw: str, name: str, arguments: List[str], closing: bool) -> None:
def __init__(self, raw: str, name: str, arguments: str, closing: bool) -> None:
self.raw = raw
self.name = name
@ -1762,7 +1762,7 @@ def is_in_tagset(tag_text: str, tagset: List[str]) -> bool:
# Tag with arguments.
if tag_text.startswith(tag + " "):
return True
# Tag with arguments, special case for [url].
# Tag with arguments, special case for [url], [color], and [font].
if tag_text.startswith(tag + "="):
return True
@ -1771,17 +1771,22 @@ def is_in_tagset(tag_text: str, tagset: List[str]) -> bool:
def get_tag_and_args(tag_text: str) -> TagState:
tag_name = tag_text
arguments: List[str] = []
arguments: str = ""
delim_pos = -1
space_pos = tag_text.find(" ")
if space_pos >= 0:
delim_pos = space_pos
# Special case for [url], [color], and [font].
assign_pos = tag_text.find("=")
if assign_pos >= 0:
tag_name = tag_text[:assign_pos]
arguments = [tag_text[assign_pos + 1 :].strip()]
else:
space_pos = tag_text.find(" ")
if space_pos >= 0:
tag_name = tag_text[:space_pos]
arguments = [tag_text[space_pos + 1 :].strip()]
if assign_pos >= 0 and (delim_pos < 0 or assign_pos < delim_pos):
delim_pos = assign_pos
if delim_pos >= 0:
tag_name = tag_text[:delim_pos]
arguments = tag_text[delim_pos + 1 :].strip()
closing = False
if tag_name.startswith("/"):
@ -1969,11 +1974,14 @@ def format_text_block(
state,
)
tag_text = "\n::\n"
if "lang=text" in tag_state.arguments.split(" "):
tag_text = "\n.. code::\n"
else:
tag_text = "\n::\n"
inside_code = True
inside_code_tag = tag_state.name
ignore_code_warnings = "skip-lint" in tag_state.arguments
ignore_code_warnings = "skip-lint" in tag_state.arguments.split(" ")
elif is_in_tagset(tag_state.name, ["code"]):
tag_text = "``"
@ -1981,7 +1989,7 @@ def format_text_block(
inside_code = True
inside_code_tag = "code"
ignore_code_warnings = "skip-lint" in tag_state.arguments
ignore_code_warnings = "skip-lint" in tag_state.arguments.split(" ")
escape_pre = True
if not ignore_code_warnings:
@ -2078,7 +2086,7 @@ def format_text_block(
# Cross-references to items in this or other class documentation pages.
elif is_in_tagset(tag_state.name, RESERVED_CROSSLINK_TAGS):
link_target: str = tag_state.arguments[0] if len(tag_state.arguments) > 0 else ""
link_target: str = tag_state.arguments
if link_target == "":
print_error(
@ -2238,7 +2246,7 @@ def format_text_block(
# Formatting directives.
elif is_in_tagset(tag_state.name, ["url"]):
url_target = tag_state.arguments[0] if len(tag_state.arguments) > 0 else ""
url_target = tag_state.arguments
if url_target == "":
print_error(
@ -2439,7 +2447,7 @@ def format_codeblock(
opening_formatted = tag_state.name
if len(tag_state.arguments) > 0:
opening_formatted += " " + " ".join(tag_state.arguments)
opening_formatted += " " + tag_state.arguments
code_text = post_text[len(f"[{opening_formatted}]") : end_pos]
post_text = post_text[end_pos:]

519
editor/editor_help.cpp
View file

@ -47,6 +47,20 @@
#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", VERSION_DOCS_URL)
#ifdef MODULE_MONO_ENABLED
@ -367,7 +381,7 @@ void EditorHelp::_add_type(const String &p_type, const String &p_enum, bool p_is
}
class_desc->add_text(display_t);
if (can_ref) {
class_desc->pop(); // Pushed meta above.
class_desc->pop(); // meta
if (add_array) {
class_desc->add_text("]");
} else if (is_bitfield) {
@ -2298,18 +2312,27 @@ void EditorHelp::_help_callback(const String &p_topic) {
}
}
static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt, Control *p_owner_node, const String &p_class = "") {
DocTools *doc = EditorHelp::get_doc_data();
String base_path;
static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt, Control *p_owner_node, const String &p_class) {
const DocTools *doc = EditorHelp::get_doc_data();
Ref<Font> doc_font = p_owner_node->get_theme_font(SNAME("doc"), EditorStringName(EditorFonts));
Ref<Font> doc_bold_font = p_owner_node->get_theme_font(SNAME("doc_bold"), EditorStringName(EditorFonts));
Ref<Font> doc_italic_font = p_owner_node->get_theme_font(SNAME("doc_italic"), EditorStringName(EditorFonts));
Ref<Font> doc_code_font = p_owner_node->get_theme_font(SNAME("doc_source"), EditorStringName(EditorFonts));
Ref<Font> doc_kbd_font = p_owner_node->get_theme_font(SNAME("doc_keyboard"), EditorStringName(EditorFonts));
bool is_native = false;
{
const HashMap<String, DocData::ClassDoc>::ConstIterator E = doc->class_list.find(p_class);
if (E && !E->value.is_script_doc) {
is_native = true;
}
}
int doc_code_font_size = p_owner_node->get_theme_font_size(SNAME("doc_source_size"), EditorStringName(EditorFonts));
int doc_kbd_font_size = p_owner_node->get_theme_font_size(SNAME("doc_keyboard_size"), EditorStringName(EditorFonts));
const bool using_tab_indent = int(EDITOR_GET("text_editor/behavior/indent/type")) == 0;
const Ref<Font> doc_font = p_owner_node->get_theme_font(SNAME("doc"), EditorStringName(EditorFonts));
const Ref<Font> doc_bold_font = p_owner_node->get_theme_font(SNAME("doc_bold"), EditorStringName(EditorFonts));
const Ref<Font> doc_italic_font = p_owner_node->get_theme_font(SNAME("doc_italic"), EditorStringName(EditorFonts));
const Ref<Font> doc_code_font = p_owner_node->get_theme_font(SNAME("doc_source"), EditorStringName(EditorFonts));
const Ref<Font> doc_kbd_font = p_owner_node->get_theme_font(SNAME("doc_keyboard"), EditorStringName(EditorFonts));
const int doc_code_font_size = p_owner_node->get_theme_font_size(SNAME("doc_source_size"), EditorStringName(EditorFonts));
const int doc_kbd_font_size = p_owner_node->get_theme_font_size(SNAME("doc_keyboard_size"), EditorStringName(EditorFonts));
const Color type_color = p_owner_node->get_theme_color(SNAME("type_color"), SNAME("EditorHelp"));
const Color code_color = p_owner_node->get_theme_color(SNAME("code_color"), SNAME("EditorHelp"));
@ -2330,7 +2353,7 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt, Control
// Select the correct code examples.
switch ((int)EDITOR_GET("text_editor/help/class_reference_examples")) {
case 0: // GDScript
bbcode = bbcode.replace("[gdscript", "[codeblock"); // Tag can have extra arguments.
bbcode = bbcode.replace("[gdscript", "[codeblock lang=gdscript"); // Tag can have extra arguments.
bbcode = bbcode.replace("[/gdscript]", "[/codeblock]");
for (int pos = bbcode.find("[csharp"); pos != -1; pos = bbcode.find("[csharp")) {
@ -2347,7 +2370,7 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt, Control
}
break;
case 1: // C#
bbcode = bbcode.replace("[csharp", "[codeblock"); // Tag can have extra arguments.
bbcode = bbcode.replace("[csharp", "[codeblock lang=csharp"); // Tag can have extra arguments.
bbcode = bbcode.replace("[/csharp]", "[/codeblock]");
for (int pos = bbcode.find("[gdscript"); pos != -1; pos = bbcode.find("[gdscript")) {
@ -2364,8 +2387,8 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt, Control
}
break;
case 2: // GDScript and C#
bbcode = bbcode.replace("[csharp", "[b]C#:[/b]\n[codeblock"); // Tag can have extra arguments.
bbcode = bbcode.replace("[gdscript", "[b]GDScript:[/b]\n[codeblock"); // Tag can have extra arguments.
bbcode = bbcode.replace("[csharp", "[b]C#:[/b]\n[codeblock lang=csharp"); // Tag can have extra arguments.
bbcode = bbcode.replace("[gdscript", "[b]GDScript:[/b]\n[codeblock lang=gdscript"); // Tag can have extra arguments.
bbcode = bbcode.replace("[/csharp]", "[/codeblock]");
bbcode = bbcode.replace("[/gdscript]", "[/codeblock]");
@ -2378,17 +2401,11 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt, Control
bbcode = bbcode.replace("[codeblocks]", "");
bbcode = bbcode.replace("[/codeblocks]", "");
// Remove extra new lines around code blocks.
bbcode = bbcode.replace("[codeblock]\n", "[codeblock]");
bbcode = bbcode.replace("[codeblock skip-lint]\n", "[codeblock skip-lint]"); // Extra argument to silence validation warnings.
bbcode = bbcode.replace("\n[/codeblock]", "[/codeblock]");
// Remove `\n` here because `\n` is replaced by `\n\n` later.
// Will be compensated when parsing `[/codeblock]`.
bbcode = bbcode.replace("[/codeblock]\n", "[/codeblock]");
List<String> tag_stack;
bool code_tag = false;
bool codeblock_tag = false;
const bool using_tab_indent = int(EDITOR_GET("text_editor/behavior/indent/type")) == 0;
StringBuilder codeblock_text;
int pos = 0;
while (pos < bbcode.length()) {
@ -2399,33 +2416,7 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt, Control
}
if (brk_pos > pos) {
String text = bbcode.substr(pos, brk_pos - pos);
if (codeblock_tag && using_tab_indent) {
// Replace the code block's space indentation with tabs.
StringBuilder builder;
PackedStringArray text_lines = text.split("\n");
for (const String &line : text_lines) {
String stripped_line = line.dedent();
int space_count = line.length() - stripped_line.length();
if (builder.num_strings_appended() > 0) {
builder.append("\n");
}
if (space_count > 0) {
builder.append(String("\t").repeat(MAX(space_count / 4, 1)) + stripped_line);
} else {
builder.append(line);
}
}
text = builder.as_string();
}
if (!code_tag && !codeblock_tag) {
text = text.replace("\n", "\n\n");
}
if (codeblock_tag) {
codeblock_text.append(text);
}
p_rt->add_text(text);
p_rt->add_text(bbcode.substr(pos, brk_pos - pos).replace("\n", "\n\n"));
}
if (brk_pos == bbcode.length()) {
@ -2435,16 +2426,11 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt, Control
int brk_end = bbcode.find_char(']', brk_pos + 1);
if (brk_end == -1) {
String text = bbcode.substr(brk_pos, bbcode.length() - brk_pos);
if (!code_tag && !codeblock_tag) {
text = text.replace("\n", "\n\n");
}
p_rt->add_text(text);
p_rt->add_text(bbcode.substr(brk_pos, bbcode.length() - brk_pos).replace("\n", "\n\n"));
break;
}
String tag = bbcode.substr(brk_pos + 1, brk_end - brk_pos - 1);
const String tag = bbcode.substr(brk_pos + 1, brk_end - brk_pos - 1);
if (tag.begins_with("/")) {
bool tag_ok = tag_stack.size() && tag_stack.front()->get() == tag.substr(1, tag.length());
@ -2458,53 +2444,13 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt, Control
tag_stack.pop_front();
pos = brk_end + 1;
if (tag != "/img") {
if (code_tag) {
p_rt->pop(); // color
p_rt->pop(); // background color
p_rt->pop(); // font size
} else if (codeblock_tag) {
p_rt->pop(); // color
p_rt->pop(); // cell
// Copy codeblock button.
p_rt->push_cell();
p_rt->set_cell_row_background_color(code_bg_color, Color(code_bg_color, 0.99));
p_rt->set_cell_padding(Rect2(0, 10 * EDSCALE, 0, 10 * EDSCALE));
p_rt->set_cell_size_override(Vector2(1, 1), Vector2(10, 10) * EDSCALE);
p_rt->push_meta("^" + codeblock_text.as_string(), RichTextLabel::META_UNDERLINE_ON_HOVER);
codeblock_text = StringBuilder();
p_rt->add_image(p_owner_node->get_editor_theme_icon(SNAME("ActionCopy")), 24 * EDSCALE, 24 * EDSCALE, Color(link_property_color, 0.3), INLINE_ALIGNMENT_BOTTOM_TO, Rect2(), Variant(), false, TTR("Click to copy."));
p_rt->pop(); // meta
p_rt->pop(); // cell
p_rt->pop(); // table
p_rt->pop(); // font size
if (pos < bbcode.length()) {
p_rt->add_newline();
}
}
p_rt->pop(); // Pops font for codetags & codeblocks, anything else for other tags.
}
code_tag = false;
codeblock_tag = false;
} else if (code_tag || codeblock_tag) {
p_rt->add_text("[");
pos = brk_pos + 1;
if (codeblock_tag) {
codeblock_text.append("[");
p_rt->pop();
}
} else if (tag.begins_with("method ") || tag.begins_with("constructor ") || tag.begins_with("operator ") || tag.begins_with("member ") || tag.begins_with("signal ") || tag.begins_with("enum ") || tag.begins_with("constant ") || tag.begins_with("annotation ") || tag.begins_with("theme_item ")) {
const int tag_end = tag.find_char(' ');
const String link_tag = tag.substr(0, tag_end);
const String link_target = tag.substr(tag_end + 1, tag.length()).lstrip(" ");
// Use monospace font to make clickable references
// easier to distinguish from inline code and other text.
p_rt->push_font(doc_code_font);
p_rt->push_font_size(doc_code_font_size);
Color target_color = link_color;
if (link_tag == "method" || link_tag == "constructor" || link_tag == "operator") {
target_color = link_method_color;
@ -2514,6 +2460,10 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt, Control
target_color = link_annotation_color;
}
// Use monospace font to make clickable references
// easier to distinguish from inline code and other text.
p_rt->push_font(doc_code_font);
p_rt->push_font_size(doc_code_font_size);
p_rt->push_color(target_color);
p_rt->push_meta("@" + link_tag + " " + link_target);
@ -2541,11 +2491,10 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt, Control
p_rt->pop(); // meta
p_rt->pop(); // color
p_rt->pop(); // font size
p_rt->pop(); // font_size
p_rt->pop(); // font
pos = brk_end + 1;
pos = brk_end + 1;
} else if (tag.begins_with("param ")) {
const int tag_end = tag.find_char(' ');
const String param_name = tag.substr(tag_end + 1, tag.length()).lstrip(" ");
@ -2553,25 +2502,24 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt, Control
// Use monospace font with translucent background color to make code easier to distinguish from other text.
p_rt->push_font(doc_code_font);
p_rt->push_font_size(doc_code_font_size);
p_rt->push_bgcolor(param_bg_color);
p_rt->push_color(code_color);
p_rt->add_text(param_name);
p_rt->pop();
p_rt->pop();
p_rt->pop(); // font size
p_rt->pop(); // color
p_rt->pop(); // bgcolor
p_rt->pop(); // font_size
p_rt->pop(); // font
pos = brk_end + 1;
pos = brk_end + 1;
} else if (tag == p_class) {
// Use a bold font when class reference tags are in their own page.
p_rt->push_font(doc_bold_font);
p_rt->add_text(tag);
p_rt->pop();
p_rt->pop(); // font
pos = brk_end + 1;
} else if (doc->class_list.has(tag)) {
// Use a monospace font for class reference tags such as [Node2D] or [SceneTree].
@ -2579,15 +2527,15 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt, Control
p_rt->push_font_size(doc_code_font_size);
p_rt->push_color(type_color);
p_rt->push_meta("#" + tag);
p_rt->add_text(tag);
p_rt->pop();
p_rt->pop();
p_rt->pop(); // Font size
p_rt->pop(); // Font
p_rt->pop(); // meta
p_rt->pop(); // color
p_rt->pop(); // font_size
p_rt->pop(); // font
pos = brk_end + 1;
} else if (tag == "b") {
// Use bold font.
p_rt->push_font(doc_bold_font);
@ -2601,42 +2549,134 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt, Control
pos = brk_end + 1;
tag_stack.push_front(tag);
} else if (tag == "code" || tag.begins_with("code ")) {
int end_pos = bbcode.find("[/code]", brk_end + 1);
if (end_pos < 0) {
end_pos = bbcode.length();
}
// Use monospace font with darkened background color to make code easier to distinguish from other text.
p_rt->push_font(doc_code_font);
p_rt->push_font_size(doc_code_font_size);
p_rt->push_bgcolor(code_bg_color);
p_rt->push_color(code_color.lerp(p_owner_node->get_theme_color(SNAME("error_color"), EditorStringName(Editor)), 0.6));
code_tag = true;
pos = brk_end + 1;
tag_stack.push_front("code");
p_rt->add_text(bbcode.substr(brk_end + 1, end_pos - (brk_end + 1)));
p_rt->pop(); // color
p_rt->pop(); // bgcolor
p_rt->pop(); // font_size
p_rt->pop(); // font
pos = end_pos + 7; // `len("[/code]")`.
} else if (tag == "codeblock" || tag.begins_with("codeblock ")) {
int end_pos = bbcode.find("[/codeblock]", brk_end + 1);
if (end_pos < 0) {
end_pos = bbcode.length();
}
const String codeblock_text = bbcode.substr(brk_end + 1, end_pos - (brk_end + 1)).strip_edges();
String codeblock_copy_text = codeblock_text;
if (using_tab_indent) {
// Replace the code block's space indentation with tabs.
StringBuilder builder;
PackedStringArray text_lines = codeblock_copy_text.split("\n");
for (const String &line : text_lines) {
const String stripped_line = line.dedent();
const int space_count = line.length() - stripped_line.length();
if (builder.num_strings_appended() > 0) {
builder.append("\n");
}
if (space_count > 0) {
builder.append(String("\t").repeat(MAX(space_count / 4, 1)) + stripped_line);
} else {
builder.append(line);
}
}
codeblock_copy_text = builder.as_string();
}
String lang;
const PackedStringArray args = tag.trim_prefix("codeblock").split(" ", false);
for (int i = args.size() - 1; i >= 0; i--) {
if (args[i].begins_with("lang=")) {
lang = args[i].trim_prefix("lang=");
break;
}
}
// Use monospace font with darkened background color to make code easier to distinguish from other text.
// Use a single-column table with cell row background color instead of `[bgcolor]`.
// This makes the background color highlight cover the entire block, rather than individual lines.
p_rt->push_font(doc_code_font);
p_rt->push_font_size(doc_code_font_size);
p_rt->push_table(2);
p_rt->push_cell();
p_rt->set_cell_row_background_color(code_bg_color, Color(code_bg_color, 0.99));
p_rt->set_cell_padding(Rect2(10 * EDSCALE, 10 * EDSCALE, 10 * EDSCALE, 10 * EDSCALE));
p_rt->push_color(code_dark_color);
codeblock_tag = true;
pos = brk_end + 1;
tag_stack.push_front("codeblock");
if (lang.is_empty() || lang == "gdscript") {
#ifdef MODULE_GDSCRIPT_ENABLED
EditorHelpHighlighter::get_singleton()->highlight(p_rt, EditorHelpHighlighter::LANGUAGE_GDSCRIPT, codeblock_text, is_native);
#else
p_rt->add_text(codeblock_text);
#endif
} else if (lang == "csharp") {
#ifdef MODULE_MONO_ENABLED
EditorHelpHighlighter::get_singleton()->highlight(p_rt, EditorHelpHighlighter::LANGUAGE_CSHARP, codeblock_text, is_native);
#else
p_rt->add_text(codeblock_text);
#endif
} else {
p_rt->add_text(codeblock_text);
}
p_rt->pop(); // color
p_rt->pop(); // cell
// Copy codeblock button.
p_rt->push_cell();
p_rt->set_cell_row_background_color(code_bg_color, Color(code_bg_color, 0.99));
p_rt->set_cell_padding(Rect2(0, 10 * EDSCALE, 0, 10 * EDSCALE));
p_rt->set_cell_size_override(Vector2(1, 1), Vector2(10, 10) * EDSCALE);
p_rt->push_meta("^" + codeblock_copy_text, RichTextLabel::META_UNDERLINE_ON_HOVER);
p_rt->add_image(p_owner_node->get_editor_theme_icon(SNAME("ActionCopy")), 24 * EDSCALE, 24 * EDSCALE, Color(link_property_color, 0.3), INLINE_ALIGNMENT_BOTTOM_TO, Rect2(), Variant(), false, TTR("Click to copy."));
p_rt->pop(); // meta
p_rt->pop(); // cell
p_rt->pop(); // table
p_rt->pop(); // font_size
p_rt->pop(); // font
pos = end_pos + 12; // `len("[/codeblock]")`.
// Compensate for `\n` removed before the loop.
if (pos < bbcode.length()) {
p_rt->add_newline();
}
} else if (tag == "kbd") {
int end_pos = bbcode.find("[/kbd]", brk_end + 1);
if (end_pos < 0) {
end_pos = bbcode.length();
}
// Use keyboard font with custom color and background color.
p_rt->push_font(doc_kbd_font);
p_rt->push_font_size(doc_kbd_font_size);
p_rt->push_bgcolor(kbd_bg_color);
p_rt->push_color(kbd_color);
code_tag = true; // Though not strictly a code tag, logic is similar.
pos = brk_end + 1;
tag_stack.push_front(tag);
p_rt->add_text(bbcode.substr(brk_end + 1, end_pos - (brk_end + 1)));
p_rt->pop(); // color
p_rt->pop(); // bgcolor
p_rt->pop(); // font_size
p_rt->pop(); // font
pos = end_pos + 6; // `len("[/kbd]")`.
} else if (tag == "center") {
// Align to center.
p_rt->push_paragraph(HORIZONTAL_ALIGNMENT_CENTER, Control::TEXT_DIRECTION_AUTO, "");
@ -2712,9 +2752,9 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt, Control
if (end == -1) {
end = bbcode.length();
}
String image = bbcode.substr(brk_end + 1, end - brk_end - 1);
p_rt->add_image(ResourceLoader::load(base_path.path_join(image), "Texture2D"), width, height, Color(1, 1, 1), INLINE_ALIGNMENT_CENTER, Rect2(), Variant(), false, String(), size_in_percent);
String image_path = bbcode.substr(brk_end + 1, end - brk_end - 1);
p_rt->add_image(ResourceLoader::load(image_path, "Texture2D"), width, height, Color(1, 1, 1), INLINE_ALIGNMENT_CENTER, Rect2(), Variant(), false, String(), size_in_percent);
pos = end;
tag_stack.push_front("img");
@ -2725,11 +2765,9 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt, Control
pos = brk_end + 1;
tag_stack.push_front("color");
} else if (tag.begins_with("font=")) {
String fnt = tag.substr(5, tag.length());
Ref<Font> font = ResourceLoader::load(base_path.path_join(fnt), "Font");
String font_path = tag.substr(5, tag.length());
Ref<Font> font = ResourceLoader::load(font_path, "Font");
if (font.is_valid()) {
p_rt->push_font(font);
} else {
@ -2738,12 +2776,18 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt, Control
pos = brk_end + 1;
tag_stack.push_front("font");
} else {
p_rt->add_text("["); // ignore
p_rt->add_text("["); // Ignore.
pos = brk_pos + 1;
}
}
// Close unclosed tags.
for (const String &tag : tag_stack) {
if (tag != "img") {
p_rt->pop();
}
}
}
void EditorHelp::_add_text(const String &p_bbcode) {
@ -2882,7 +2926,16 @@ void EditorHelp::_notification(int p_what) {
} break;
case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED: {
if (!EditorSettings::get_singleton()->check_changed_settings_in_group("text_editor/help")) {
bool need_update = false;
if (EditorSettings::get_singleton()->check_changed_settings_in_group("text_editor/help")) {
need_update = true;
}
#if defined(MODULE_GDSCRIPT_ENABLED) || defined(MODULE_MONO_ENABLED)
if (!need_update && EditorSettings::get_singleton()->check_changed_settings_in_group("text_editor/theme/highlighting")) {
need_update = true;
}
#endif
if (!need_update) {
break;
}
[[fallthrough]];
@ -3076,10 +3129,11 @@ String EditorHelpBit::get_class_description(const StringName &p_class_name) cons
}
String description;
HashMap<String, DocData::ClassDoc>::ConstIterator E = EditorHelp::get_doc_data()->class_list.find(p_class_name);
const HashMap<String, DocData::ClassDoc>::ConstIterator E = EditorHelp::get_doc_data()->class_list.find(p_class_name);
if (E) {
// Non-native class shouldn't be cached, nor translated.
bool is_native = ClassDB::class_exists(p_class_name);
const bool is_native = !E->value.is_script_doc;
description = is_native ? DTR(E->value.brief_description) : E->value.brief_description;
if (is_native) {
@ -3100,11 +3154,13 @@ String EditorHelpBit::get_property_description(const StringName &p_class_name, c
}
String description;
// Non-native properties shouldn't be cached, nor translated.
bool is_native = ClassDB::class_exists(p_class_name);
DocTools *dd = EditorHelp::get_doc_data();
HashMap<String, DocData::ClassDoc>::ConstIterator E = dd->class_list.find(p_class_name);
const DocTools *dd = EditorHelp::get_doc_data();
const HashMap<String, DocData::ClassDoc>::ConstIterator E = dd->class_list.find(p_class_name);
if (E) {
// Non-native properties shouldn't be cached, nor translated.
const bool is_native = !E->value.is_script_doc;
for (const DocData::PropertyDoc &property : E->value.properties) {
String description_current = is_native ? DTR(property.description) : property.description;
@ -3112,7 +3168,7 @@ String EditorHelpBit::get_property_description(const StringName &p_class_name, c
const String enum_name = class_enum.size() >= 2 ? class_enum[1] : "";
if (!enum_name.is_empty()) {
// Classes can use enums from other classes, so check from which it came.
HashMap<String, DocData::ClassDoc>::ConstIterator enum_class = dd->class_list.find(class_enum[0]);
const HashMap<String, DocData::ClassDoc>::ConstIterator enum_class = dd->class_list.find(class_enum[0]);
if (enum_class) {
for (DocData::ConstantDoc val : enum_class->value.constants) {
// Don't display `_MAX` enum value descriptions, as these are never exposed in the inspector.
@ -3151,10 +3207,11 @@ String EditorHelpBit::get_method_description(const StringName &p_class_name, con
}
String description;
HashMap<String, DocData::ClassDoc>::ConstIterator E = EditorHelp::get_doc_data()->class_list.find(p_class_name);
const HashMap<String, DocData::ClassDoc>::ConstIterator E = EditorHelp::get_doc_data()->class_list.find(p_class_name);
if (E) {
// Non-native methods shouldn't be cached, nor translated.
bool is_native = ClassDB::class_exists(p_class_name);
const bool is_native = !E->value.is_script_doc;
for (const DocData::MethodDoc &method : E->value.methods) {
String description_current = is_native ? DTR(method.description) : method.description;
@ -3182,10 +3239,11 @@ String EditorHelpBit::get_signal_description(const StringName &p_class_name, con
}
String description;
HashMap<String, DocData::ClassDoc>::ConstIterator E = EditorHelp::get_doc_data()->class_list.find(p_class_name);
const HashMap<String, DocData::ClassDoc>::ConstIterator E = EditorHelp::get_doc_data()->class_list.find(p_class_name);
if (E) {
// Non-native signals shouldn't be cached, nor translated.
bool is_native = ClassDB::class_exists(p_class_name);
const bool is_native = !E->value.is_script_doc;
for (const DocData::MethodDoc &signal : E->value.signals) {
String description_current = is_native ? DTR(signal.description) : signal.description;
@ -3213,12 +3271,13 @@ String EditorHelpBit::get_theme_item_description(const StringName &p_class_name,
}
String description;
bool found = false;
DocTools *dd = EditorHelp::get_doc_data();
const DocTools *dd = EditorHelp::get_doc_data();
HashMap<String, DocData::ClassDoc>::ConstIterator E = dd->class_list.find(p_class_name);
while (E) {
// Non-native theme items shouldn't be cached, nor translated.
bool is_native = ClassDB::class_exists(p_class_name);
const bool is_native = !E->value.is_script_doc;
for (const DocData::ThemeItemDoc &theme_item : E->value.theme_properties) {
String description_current = is_native ? DTR(theme_item.description) : theme_item.description;
@ -3257,7 +3316,7 @@ void EditorHelpBit::_notification(int p_what) {
case NOTIFICATION_THEME_CHANGED: {
rich_text->add_theme_color_override("selection_color", get_theme_color(SNAME("selection_color"), SNAME("EditorHelp")));
rich_text->clear();
_add_text_to_rt(text, rich_text, this);
_add_text_to_rt(text, rich_text, this, doc_class_name);
rich_text->reset_size(); // Force recalculating size after parsing bbcode.
} break;
}
@ -3266,7 +3325,7 @@ void EditorHelpBit::_notification(int p_what) {
void EditorHelpBit::set_text(const String &p_text) {
text = p_text;
rich_text->clear();
_add_text_to_rt(text, rich_text, this);
_add_text_to_rt(text, rich_text, this, doc_class_name);
}
EditorHelpBit::EditorHelpBit() {
@ -3304,6 +3363,8 @@ void EditorHelpTooltip::parse_tooltip(const String &p_text) {
const String &property_name = slices[2];
const String &property_args = slices[3];
doc_class_name = class_name;
String formatted_text;
// Exclude internal properties, they are not documented.
@ -3357,6 +3418,170 @@ EditorHelpTooltip::EditorHelpTooltip(const String &p_text, const String &p_custo
get_rich_text()->set_custom_minimum_size(Size2(360 * EDSCALE, 0));
}
#if defined(MODULE_GDSCRIPT_ENABLED) || defined(MODULE_MONO_ENABLED)
/// EditorHelpHighlighter ///
EditorHelpHighlighter *EditorHelpHighlighter::singleton = nullptr;
void EditorHelpHighlighter::create_singleton() {
ERR_FAIL_COND(singleton != nullptr);
singleton = memnew(EditorHelpHighlighter);
}
void EditorHelpHighlighter::free_singleton() {
ERR_FAIL_NULL(singleton);
memdelete(singleton);
singleton = nullptr;
}
EditorHelpHighlighter *EditorHelpHighlighter::get_singleton() {
return singleton;
}
EditorHelpHighlighter::HighlightData EditorHelpHighlighter::_get_highlight_data(Language p_language, const String &p_source, bool p_use_cache) {
switch (p_language) {
case LANGUAGE_GDSCRIPT:
#ifndef MODULE_GDSCRIPT_ENABLED
ERR_FAIL_V_MSG(HighlightData(), "GDScript module is disabled.");
#endif
break;
case LANGUAGE_CSHARP:
#ifndef MODULE_MONO_ENABLED
ERR_FAIL_V_MSG(HighlightData(), "Mono module is disabled.");
#endif
break;
default:
ERR_FAIL_V_MSG(HighlightData(), "Invalid parameter \"p_language\".");
}
if (p_use_cache) {
const HashMap<String, HighlightData>::ConstIterator E = highlight_data_caches[p_language].find(p_source);
if (E) {
return E->value;
}
}
text_edits[p_language]->set_text(p_source);
scripts[p_language]->set_source_code(p_source);
highlighters[p_language]->_update_cache();
HighlightData result;
int source_offset = 0;
int result_index = 0;
for (int i = 0; i < text_edits[p_language]->get_line_count(); i++) {
const Dictionary dict = highlighters[p_language]->_get_line_syntax_highlighting_impl(i);
result.resize(result.size() + dict.size());
const Variant *key = nullptr;
int prev_column = -1;
while ((key = dict.next(key)) != nullptr) {
const int column = *key;
ERR_FAIL_COND_V(column <= prev_column, HighlightData());
prev_column = column;
const Color color = dict[*key].operator Dictionary().get("color", Color());
result.write[result_index] = { source_offset + column, color };
result_index++;
}
source_offset += text_edits[p_language]->get_line(i).length() + 1; // Plus newline.
}
if (p_use_cache) {
highlight_data_caches[p_language][p_source] = result;
}
return result;
}
void EditorHelpHighlighter::highlight(RichTextLabel *p_rich_text_label, Language p_language, const String &p_source, bool p_use_cache) {
ERR_FAIL_NULL(p_rich_text_label);
const HighlightData highlight_data = _get_highlight_data(p_language, p_source, p_use_cache);
if (!highlight_data.is_empty()) {
for (int i = 1; i < highlight_data.size(); i++) {
const Pair<int, Color> &prev = highlight_data[i - 1];
const Pair<int, Color> &curr = highlight_data[i];
p_rich_text_label->push_color(prev.second);
p_rich_text_label->add_text(p_source.substr(prev.first, curr.first - prev.first));
p_rich_text_label->pop(); // color
}
const Pair<int, Color> &last = highlight_data[highlight_data.size() - 1];
p_rich_text_label->push_color(last.second);
p_rich_text_label->add_text(p_source.substr(last.first));
p_rich_text_label->pop(); // color
}
}
void EditorHelpHighlighter::reset_cache() {
const Color text_color = EDITOR_GET("text_editor/theme/highlighting/text_color");
#ifdef MODULE_GDSCRIPT_ENABLED
highlight_data_caches[LANGUAGE_GDSCRIPT].clear();
text_edits[LANGUAGE_GDSCRIPT]->add_theme_color_override("font_color", text_color);
#endif
#ifdef MODULE_MONO_ENABLED
highlight_data_caches[LANGUAGE_CSHARP].clear();
text_edits[LANGUAGE_CSHARP]->add_theme_color_override("font_color", text_color);
#endif
}
EditorHelpHighlighter::EditorHelpHighlighter() {
#ifdef MODULE_GDSCRIPT_ENABLED
TextEdit *gdscript_text_edit = memnew(TextEdit);
Ref<GDScript> gdscript;
gdscript.instantiate();
Ref<GDScriptSyntaxHighlighter> gdscript_highlighter;
gdscript_highlighter.instantiate();
gdscript_highlighter->set_text_edit(gdscript_text_edit);
gdscript_highlighter->_set_edited_resource(gdscript);
text_edits[LANGUAGE_GDSCRIPT] = gdscript_text_edit;
scripts[LANGUAGE_GDSCRIPT] = gdscript;
highlighters[LANGUAGE_GDSCRIPT] = gdscript_highlighter;
#endif
#ifdef MODULE_MONO_ENABLED
TextEdit *csharp_text_edit = memnew(TextEdit);
Ref<CSharpScript> csharp;
csharp.instantiate();
Ref<EditorStandardSyntaxHighlighter> csharp_highlighter;
csharp_highlighter.instantiate();
csharp_highlighter->set_text_edit(csharp_text_edit);
csharp_highlighter->_set_edited_resource(csharp);
text_edits[LANGUAGE_CSHARP] = csharp_text_edit;
scripts[LANGUAGE_CSHARP] = csharp;
highlighters[LANGUAGE_CSHARP] = csharp_highlighter;
#endif
}
EditorHelpHighlighter::~EditorHelpHighlighter() {
#ifdef MODULE_GDSCRIPT_ENABLED
memdelete(text_edits[LANGUAGE_GDSCRIPT]);
scripts[LANGUAGE_GDSCRIPT].unref();
highlighters[LANGUAGE_GDSCRIPT].unref();
#endif
#ifdef MODULE_MONO_ENABLED
memdelete(text_edits[LANGUAGE_CSHARP]);
scripts[LANGUAGE_CSHARP].unref();
highlighters[LANGUAGE_CSHARP].unref();
#endif
}
#endif // defined(MODULE_GDSCRIPT_ENABLED) || defined(MODULE_MONO_ENABLED)
/// FindBar ///
FindBar::FindBar() {

40
editor/editor_help.h
View file

@ -44,6 +44,8 @@
#include "scene/gui/text_edit.h"
#include "scene/main/timer.h"
#include "modules/modules_enabled.gen.h" // For gdscript, mono.
class FindBar : public HBoxContainer {
GDCLASS(FindBar, HBoxContainer);
@ -265,6 +267,7 @@ class EditorHelpBit : public MarginContainer {
String text;
protected:
String doc_class_name;
String custom_description;
static void _bind_methods();
@ -297,4 +300,41 @@ public:
EditorHelpTooltip(const String &p_text = String(), const String &p_custom_description = String());
};
#if defined(MODULE_GDSCRIPT_ENABLED) || defined(MODULE_MONO_ENABLED)
class EditorSyntaxHighlighter;
class EditorHelpHighlighter {
public:
enum Language {
LANGUAGE_GDSCRIPT,
LANGUAGE_CSHARP,
LANGUAGE_MAX,
};
private:
using HighlightData = Vector<Pair<int, Color>>;
static EditorHelpHighlighter *singleton;
HashMap<String, HighlightData> highlight_data_caches[LANGUAGE_MAX];
TextEdit *text_edits[LANGUAGE_MAX];
Ref<Script> scripts[LANGUAGE_MAX];
Ref<EditorSyntaxHighlighter> highlighters[LANGUAGE_MAX];
HighlightData _get_highlight_data(Language p_language, const String &p_source, bool p_use_cache);
public:
static void create_singleton();
static void free_singleton();
static EditorHelpHighlighter *get_singleton();
void highlight(RichTextLabel *p_rich_text_label, Language p_language, const String &p_source, bool p_use_cache);
void reset_cache();
EditorHelpHighlighter();
virtual ~EditorHelpHighlighter();
};
#endif // defined(MODULE_GDSCRIPT_ENABLED) || defined(MODULE_MONO_ENABLED)
#endif // EDITOR_HELP_H

14
editor/editor_node.cpp
View file

@ -165,6 +165,8 @@
#include <stdio.h>
#include <stdlib.h>
#include "modules/modules_enabled.gen.h" // For gdscript, mono.
EditorNode *EditorNode::singleton = nullptr;
static const String EDITOR_NODE_CONFIG_SECTION = "EditorNode";
@ -576,6 +578,9 @@ void EditorNode::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_POSTINITIALIZE: {
EditorHelp::generate_doc();
#if defined(MODULE_GDSCRIPT_ENABLED) || defined(MODULE_MONO_ENABLED)
EditorHelpHighlighter::create_singleton();
#endif
} break;
case NOTIFICATION_PROCESS: {
@ -801,6 +806,12 @@ void EditorNode::_notification(int p_what) {
_update_update_spinner();
_update_vsync_mode();
}
#if defined(MODULE_GDSCRIPT_ENABLED) || defined(MODULE_MONO_ENABLED)
if (EditorSettings::get_singleton()->check_changed_settings_in_group("text_editor/theme/highlighting")) {
EditorHelpHighlighter::get_singleton()->reset_cache();
}
#endif
} break;
}
}
@ -7420,6 +7431,9 @@ EditorNode::~EditorNode() {
remove_print_handler(&print_handler);
EditorHelp::cleanup_doc();
#if defined(MODULE_GDSCRIPT_ENABLED) || defined(MODULE_MONO_ENABLED)
EditorHelpHighlighter::free_singleton();
#endif
memdelete(editor_selection);
memdelete(editor_plugins_over);
memdelete(editor_plugins_force_over);

12
modules/gdscript/doc_classes/@GDScript.xml
View file

@ -95,7 +95,7 @@
print(get_stack())
[/codeblock]
Starting from [code]_ready()[/code], [code]bar()[/code] would print:
[codeblock]
[codeblock lang=text]
[{function:bar, line:12, source:res://script.gd}, {function:foo, line:9, source:res://script.gd}, {function:_ready, line:6, source:res://script.gd}]
[/codeblock]
[b]Note:[/b] This function only works if the running instance is connected to a debugging server (i.e. an editor instance). [method get_stack] will not work in projects exported in release mode, or in projects exported in debug mode if not connected to a debugging server.
@ -116,7 +116,7 @@
print(d.values())
[/codeblock]
Prints out:
[codeblock]
[codeblock lang=text]
[@subpath, @path, foo]
[, res://test.gd, bar]
[/codeblock]
@ -190,7 +190,7 @@
<description>
Like [method @GlobalScope.print], but includes the current stack frame when running with the debugger turned on.
The output in the console may look like the following:
[codeblock]
[codeblock lang=text]
Test print
At: res://test.gd:15:_process()
[/codeblock]
@ -202,7 +202,7 @@
<description>
Prints a stack trace at the current code location. See also [method get_stack].
The output in the console may look like the following:
[codeblock]
[codeblock lang=text]
Frame 0 - res://test.gd:16 in function '_process'
[/codeblock]
[b]Note:[/b] This function only works if the running instance is connected to a debugging server (i.e. an editor instance). [method print_stack] will not work in projects exported in release mode, or in projects exported in debug mode if not connected to a debugging server.
@ -232,7 +232,7 @@
print(array[i])
[/codeblock]
Output:
[codeblock]
[codeblock lang=text]
9
6
3
@ -243,7 +243,7 @@
print(i / 10.0)
[/codeblock]
Output:
[codeblock]
[codeblock lang=text]
0.3
0.2
0.1

24
modules/gdscript/gdscript_parser.cpp
View file

@ -3460,6 +3460,7 @@ enum DocLineState {
DOC_LINE_NORMAL,
DOC_LINE_IN_CODE,
DOC_LINE_IN_CODEBLOCK,
DOC_LINE_IN_KBD,
};
static String _process_doc_line(const String &p_line, const String &p_text, const String &p_space_prefix, DocLineState &r_state) {
@ -3505,21 +3506,23 @@ static String _process_doc_line(const String &p_line, const String &p_text, cons
from = rb_pos + 1;
String tag = line.substr(lb_pos + 1, rb_pos - lb_pos - 1);
if (tag == "code") {
if (tag == "code" || tag.begins_with("code ")) {
r_state = DOC_LINE_IN_CODE;
} else if (tag == "codeblock") {
} else if (tag == "codeblock" || tag.begins_with("codeblock ")) {
if (lb_pos == 0) {
line_join = "\n";
} else {
result += line.substr(buffer_start, lb_pos - buffer_start) + '\n';
}
result += "[codeblock]";
result += "[" + tag + "]";
if (from < len) {
result += '\n';
}
r_state = DOC_LINE_IN_CODEBLOCK;
buffer_start = from;
} else if (tag == "kbd") {
r_state = DOC_LINE_IN_KBD;
}
} break;
case DOC_LINE_IN_CODE: {
@ -3529,7 +3532,7 @@ static String _process_doc_line(const String &p_line, const String &p_text, cons
break;
}
from = pos + 7;
from = pos + 7; // `len("[/code]")`.
r_state = DOC_LINE_NORMAL;
} break;
@ -3540,7 +3543,7 @@ static String _process_doc_line(const String &p_line, const String &p_text, cons
break;
}
from = pos + 12;
from = pos + 12; // `len("[/codeblock]")`.
if (pos == 0) {
line_join = "\n";
@ -3555,6 +3558,17 @@ static String _process_doc_line(const String &p_line, const String &p_text, cons
r_state = DOC_LINE_NORMAL;
buffer_start = from;
} break;
case DOC_LINE_IN_KBD: {
int pos = line.find("[/kbd]", from);
if (pos < 0) {
process = false;
break;
}
from = pos + 6; // `len("[/kbd]")`.
r_state = DOC_LINE_NORMAL;
} break;
}
}