godot/editor/plugins/text_shader_editor.cpp

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/**************************************************************************/
/* text_shader_editor.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 "text_shader_editor.h"
#include "core/version_generated.gen.h"
#include "editor/editor_node.h"
#include "editor/editor_settings.h"
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#include "editor/editor_string_names.h"
#include "editor/filesystem_dock.h"
#include "editor/project_settings_editor.h"
#include "editor/themes/editor_scale.h"
#include "editor/themes/editor_theme_manager.h"
#include "scene/gui/split_container.h"
#include "servers/rendering/shader_preprocessor.h"
#include "servers/rendering/shader_types.h"
/*** SHADER SYNTAX HIGHLIGHTER ****/
Dictionary GDShaderSyntaxHighlighter::_get_line_syntax_highlighting_impl(int p_line) {
Dictionary color_map;
for (const Point2i &region : disabled_branch_regions) {
if (p_line >= region.x && p_line <= region.y) {
Dictionary highlighter_info;
highlighter_info["color"] = disabled_branch_color;
color_map[0] = highlighter_info;
return color_map;
}
}
return CodeHighlighter::_get_line_syntax_highlighting_impl(p_line);
}
void GDShaderSyntaxHighlighter::add_disabled_branch_region(const Point2i &p_region) {
ERR_FAIL_COND(p_region.x < 0);
ERR_FAIL_COND(p_region.y < 0);
for (int i = 0; i < disabled_branch_regions.size(); i++) {
ERR_FAIL_COND_MSG(disabled_branch_regions[i].x == p_region.x, "Branch region with a start line '" + itos(p_region.x) + "' already exists.");
}
Point2i disabled_branch_region;
disabled_branch_region.x = p_region.x;
disabled_branch_region.y = p_region.y;
disabled_branch_regions.push_back(disabled_branch_region);
clear_highlighting_cache();
}
void GDShaderSyntaxHighlighter::clear_disabled_branch_regions() {
disabled_branch_regions.clear();
clear_highlighting_cache();
}
void GDShaderSyntaxHighlighter::set_disabled_branch_color(const Color &p_color) {
disabled_branch_color = p_color;
clear_highlighting_cache();
}
/*** SHADER SCRIPT EDITOR ****/
static bool saved_warnings_enabled = false;
static bool saved_treat_warning_as_errors = false;
static HashMap<ShaderWarning::Code, bool> saved_warnings;
static uint32_t saved_warning_flags = 0U;
void ShaderTextEditor::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_THEME_CHANGED: {
if (is_visible_in_tree()) {
_load_theme_settings();
if (warnings.size() > 0 && last_compile_result == OK) {
warnings_panel->clear();
_update_warning_panel();
}
}
} break;
}
}
Ref<Shader> ShaderTextEditor::get_edited_shader() const {
return shader;
}
Ref<ShaderInclude> ShaderTextEditor::get_edited_shader_include() const {
return shader_inc;
}
void ShaderTextEditor::set_edited_shader(const Ref<Shader> &p_shader) {
set_edited_shader(p_shader, p_shader->get_code());
}
void ShaderTextEditor::set_edited_shader(const Ref<Shader> &p_shader, const String &p_code) {
if (shader == p_shader) {
return;
}
if (shader.is_valid()) {
shader->disconnect_changed(callable_mp(this, &ShaderTextEditor::_shader_changed));
}
shader = p_shader;
shader_inc = Ref<ShaderInclude>();
set_edited_code(p_code);
if (shader.is_valid()) {
shader->connect_changed(callable_mp(this, &ShaderTextEditor::_shader_changed));
}
}
void ShaderTextEditor::set_edited_shader_include(const Ref<ShaderInclude> &p_shader_inc) {
set_edited_shader_include(p_shader_inc, p_shader_inc->get_code());
}
void ShaderTextEditor::_shader_changed() {
// This function is used for dependencies (include changing changes main shader and forces it to revalidate)
if (block_shader_changed) {
return;
}
dependencies_version++;
_validate_script();
}
void ShaderTextEditor::set_edited_shader_include(const Ref<ShaderInclude> &p_shader_inc, const String &p_code) {
if (shader_inc == p_shader_inc) {
return;
}
if (shader_inc.is_valid()) {
shader_inc->disconnect_changed(callable_mp(this, &ShaderTextEditor::_shader_changed));
}
shader_inc = p_shader_inc;
shader = Ref<Shader>();
set_edited_code(p_code);
if (shader_inc.is_valid()) {
shader_inc->connect_changed(callable_mp(this, &ShaderTextEditor::_shader_changed));
}
}
void ShaderTextEditor::set_edited_code(const String &p_code) {
_load_theme_settings();
get_text_editor()->set_text(p_code);
get_text_editor()->clear_undo_history();
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callable_mp((TextEdit *)get_text_editor(), &TextEdit::set_h_scroll).call_deferred(0);
callable_mp((TextEdit *)get_text_editor(), &TextEdit::set_v_scroll).call_deferred(0);
get_text_editor()->tag_saved_version();
_validate_script();
_line_col_changed();
}
void ShaderTextEditor::reload_text() {
ERR_FAIL_COND(shader.is_null() && shader_inc.is_null());
String code;
if (shader.is_valid()) {
code = shader->get_code();
} else {
code = shader_inc->get_code();
}
CodeEdit *te = get_text_editor();
int column = te->get_caret_column();
int row = te->get_caret_line();
int h = te->get_h_scroll();
int v = te->get_v_scroll();
te->set_text(code);
te->set_caret_line(row);
te->set_caret_column(column);
te->set_h_scroll(h);
te->set_v_scroll(v);
te->tag_saved_version();
update_line_and_column();
}
void ShaderTextEditor::set_warnings_panel(RichTextLabel *p_warnings_panel) {
warnings_panel = p_warnings_panel;
}
void ShaderTextEditor::_load_theme_settings() {
CodeEdit *te = get_text_editor();
Color updated_marked_line_color = EDITOR_GET("text_editor/theme/highlighting/mark_color");
if (updated_marked_line_color != marked_line_color) {
for (int i = 0; i < te->get_line_count(); i++) {
if (te->get_line_background_color(i) == marked_line_color) {
te->set_line_background_color(i, updated_marked_line_color);
}
}
marked_line_color = updated_marked_line_color;
}
syntax_highlighter->set_number_color(EDITOR_GET("text_editor/theme/highlighting/number_color"));
syntax_highlighter->set_symbol_color(EDITOR_GET("text_editor/theme/highlighting/symbol_color"));
syntax_highlighter->set_function_color(EDITOR_GET("text_editor/theme/highlighting/function_color"));
syntax_highlighter->set_member_variable_color(EDITOR_GET("text_editor/theme/highlighting/member_variable_color"));
syntax_highlighter->clear_keyword_colors();
const Color keyword_color = EDITOR_GET("text_editor/theme/highlighting/keyword_color");
const Color control_flow_keyword_color = EDITOR_GET("text_editor/theme/highlighting/control_flow_keyword_color");
List<String> keywords;
ShaderLanguage::get_keyword_list(&keywords);
for (const String &E : keywords) {
if (ShaderLanguage::is_control_flow_keyword(E)) {
syntax_highlighter->add_keyword_color(E, control_flow_keyword_color);
} else {
syntax_highlighter->add_keyword_color(E, keyword_color);
}
}
List<String> pp_keywords;
ShaderPreprocessor::get_keyword_list(&pp_keywords, false);
for (const String &E : pp_keywords) {
syntax_highlighter->add_keyword_color(E, control_flow_keyword_color);
}
// Colorize built-ins like `COLOR` differently to make them easier
// to distinguish from keywords at a quick glance.
List<String> built_ins;
if (shader_inc.is_valid()) {
for (int i = 0; i < RenderingServer::SHADER_MAX; i++) {
for (const KeyValue<StringName, ShaderLanguage::FunctionInfo> &E : ShaderTypes::get_singleton()->get_functions(RenderingServer::ShaderMode(i))) {
for (const KeyValue<StringName, ShaderLanguage::BuiltInInfo> &F : E.value.built_ins) {
built_ins.push_back(F.key);
}
}
const Vector<ShaderLanguage::ModeInfo> &modes = ShaderTypes::get_singleton()->get_modes(RenderingServer::ShaderMode(i));
for (int j = 0; j < modes.size(); j++) {
const ShaderLanguage::ModeInfo &mode_info = modes[j];
if (!mode_info.options.is_empty()) {
for (int k = 0; k < mode_info.options.size(); k++) {
built_ins.push_back(String(mode_info.name) + "_" + String(mode_info.options[k]));
}
} else {
built_ins.push_back(String(mode_info.name));
}
}
}
} else if (shader.is_valid()) {
for (const KeyValue<StringName, ShaderLanguage::FunctionInfo> &E : ShaderTypes::get_singleton()->get_functions(RenderingServer::ShaderMode(shader->get_mode()))) {
for (const KeyValue<StringName, ShaderLanguage::BuiltInInfo> &F : E.value.built_ins) {
built_ins.push_back(F.key);
}
}
const Vector<ShaderLanguage::ModeInfo> &modes = ShaderTypes::get_singleton()->get_modes(RenderingServer::ShaderMode(shader->get_mode()));
for (int i = 0; i < modes.size(); i++) {
const ShaderLanguage::ModeInfo &mode_info = modes[i];
if (!mode_info.options.is_empty()) {
for (int j = 0; j < mode_info.options.size(); j++) {
built_ins.push_back(String(mode_info.name) + "_" + String(mode_info.options[j]));
}
} else {
built_ins.push_back(String(mode_info.name));
}
}
}
const Color user_type_color = EDITOR_GET("text_editor/theme/highlighting/user_type_color");
for (const String &E : built_ins) {
syntax_highlighter->add_keyword_color(E, user_type_color);
}
// Colorize comments.
const Color comment_color = EDITOR_GET("text_editor/theme/highlighting/comment_color");
syntax_highlighter->clear_color_regions();
syntax_highlighter->add_color_region("/*", "*/", comment_color, false);
syntax_highlighter->add_color_region("//", "", comment_color, true);
// Disabled preprocessor branches use translucent text color to be easier to distinguish from comments.
syntax_highlighter->set_disabled_branch_color(Color(EDITOR_GET("text_editor/theme/highlighting/text_color")) * Color(1, 1, 1, 0.5));
te->clear_comment_delimiters();
te->add_comment_delimiter("/*", "*/", false);
te->add_comment_delimiter("//", "", true);
if (!te->has_auto_brace_completion_open_key("/*")) {
te->add_auto_brace_completion_pair("/*", "*/");
}
// Colorize preprocessor include strings.
const Color string_color = EDITOR_GET("text_editor/theme/highlighting/string_color");
syntax_highlighter->add_color_region("\"", "\"", string_color, false);
if (warnings_panel) {
// Warnings panel.
warnings_panel->add_theme_font_override("normal_font", EditorNode::get_singleton()->get_editor_theme()->get_font(SNAME("main"), EditorStringName(EditorFonts)));
warnings_panel->add_theme_font_size_override("normal_font_size", EditorNode::get_singleton()->get_editor_theme()->get_font_size(SNAME("main_size"), EditorStringName(EditorFonts)));
}
}
void ShaderTextEditor::_check_shader_mode() {
String type = ShaderLanguage::get_shader_type(get_text_editor()->get_text());
Shader::Mode mode;
if (type == "canvas_item") {
mode = Shader::MODE_CANVAS_ITEM;
} else if (type == "particles") {
mode = Shader::MODE_PARTICLES;
} else if (type == "sky") {
mode = Shader::MODE_SKY;
} else if (type == "fog") {
mode = Shader::MODE_FOG;
} else {
mode = Shader::MODE_SPATIAL;
}
if (shader->get_mode() != mode) {
set_block_shader_changed(true);
shader->set_code(get_text_editor()->get_text());
set_block_shader_changed(false);
_load_theme_settings();
}
}
static ShaderLanguage::DataType _get_global_shader_uniform_type(const StringName &p_variable) {
RS::GlobalShaderParameterType gvt = RS::get_singleton()->global_shader_parameter_get_type(p_variable);
return (ShaderLanguage::DataType)RS::global_shader_uniform_type_get_shader_datatype(gvt);
}
static String complete_from_path;
static void _complete_include_paths_search(EditorFileSystemDirectory *p_efsd, List<ScriptLanguage::CodeCompletionOption> *r_options) {
if (!p_efsd) {
return;
}
for (int i = 0; i < p_efsd->get_file_count(); i++) {
if (p_efsd->get_file_type(i) == SNAME("ShaderInclude")) {
String path = p_efsd->get_file_path(i);
if (path.begins_with(complete_from_path)) {
path = path.replace_first(complete_from_path, "");
}
r_options->push_back(ScriptLanguage::CodeCompletionOption(path, ScriptLanguage::CODE_COMPLETION_KIND_FILE_PATH));
}
}
for (int j = 0; j < p_efsd->get_subdir_count(); j++) {
_complete_include_paths_search(p_efsd->get_subdir(j), r_options);
}
}
static void _complete_include_paths(List<ScriptLanguage::CodeCompletionOption> *r_options) {
_complete_include_paths_search(EditorFileSystem::get_singleton()->get_filesystem(), r_options);
}
void ShaderTextEditor::_code_complete_script(const String &p_code, List<ScriptLanguage::CodeCompletionOption> *r_options) {
List<ScriptLanguage::CodeCompletionOption> pp_options;
List<ScriptLanguage::CodeCompletionOption> pp_defines;
ShaderPreprocessor preprocessor;
String code;
String resource_path = (shader.is_valid() ? shader->get_path() : shader_inc->get_path());
complete_from_path = resource_path.get_base_dir();
if (!complete_from_path.ends_with("/")) {
complete_from_path += "/";
}
preprocessor.preprocess(p_code, resource_path, code, nullptr, nullptr, nullptr, nullptr, &pp_options, &pp_defines, _complete_include_paths);
complete_from_path = String();
if (pp_options.size()) {
for (const ScriptLanguage::CodeCompletionOption &E : pp_options) {
r_options->push_back(E);
}
return;
}
for (const ScriptLanguage::CodeCompletionOption &E : pp_defines) {
r_options->push_back(E);
}
ShaderLanguage sl;
String calltip;
ShaderLanguage::ShaderCompileInfo comp_info;
comp_info.global_shader_uniform_type_func = _get_global_shader_uniform_type;
if (shader.is_null()) {
comp_info.is_include = true;
sl.complete(code, comp_info, r_options, calltip);
get_text_editor()->set_code_hint(calltip);
return;
}
_check_shader_mode();
comp_info.functions = ShaderTypes::get_singleton()->get_functions(RenderingServer::ShaderMode(shader->get_mode()));
comp_info.render_modes = ShaderTypes::get_singleton()->get_modes(RenderingServer::ShaderMode(shader->get_mode()));
comp_info.shader_types = ShaderTypes::get_singleton()->get_types();
sl.complete(code, comp_info, r_options, calltip);
get_text_editor()->set_code_hint(calltip);
}
void ShaderTextEditor::_validate_script() {
emit_signal(SNAME("script_changed")); // Ensure to notify that it changed, so it is applied
String code;
if (shader.is_valid()) {
_check_shader_mode();
code = shader->get_code();
} else {
code = shader_inc->get_code();
}
ShaderPreprocessor preprocessor;
String code_pp;
String error_pp;
List<ShaderPreprocessor::FilePosition> err_positions;
List<ShaderPreprocessor::Region> regions;
String filename;
if (shader.is_valid()) {
filename = shader->get_path();
} else if (shader_inc.is_valid()) {
filename = shader_inc->get_path();
}
last_compile_result = preprocessor.preprocess(code, filename, code_pp, &error_pp, &err_positions, &regions);
for (int i = 0; i < get_text_editor()->get_line_count(); i++) {
get_text_editor()->set_line_background_color(i, Color(0, 0, 0, 0));
}
syntax_highlighter->clear_disabled_branch_regions();
for (const ShaderPreprocessor::Region &region : regions) {
if (!region.enabled) {
if (filename != region.file) {
continue;
}
syntax_highlighter->add_disabled_branch_region(Point2i(region.from_line, region.to_line));
}
}
set_error("");
set_error_count(0);
if (last_compile_result != OK) {
//preprocessor error
ERR_FAIL_COND(err_positions.is_empty());
String err_text = error_pp;
int err_line = err_positions.front()->get().line;
if (err_positions.size() == 1) {
// Error in main file
err_text = "error(" + itos(err_line) + "): " + err_text;
} else {
err_text = "error(" + itos(err_line) + ") in include " + err_positions.back()->get().file.get_file() + ":" + itos(err_positions.back()->get().line) + ": " + err_text;
set_error_count(err_positions.size() - 1);
}
set_error(err_text);
set_error_pos(err_line - 1, 0);
for (int i = 0; i < get_text_editor()->get_line_count(); i++) {
get_text_editor()->set_line_background_color(i, Color(0, 0, 0, 0));
}
get_text_editor()->set_line_background_color(err_line - 1, marked_line_color);
set_warning_count(0);
} else {
ShaderLanguage sl;
sl.enable_warning_checking(saved_warnings_enabled);
uint32_t flags = saved_warning_flags;
if (shader.is_null()) {
if (flags & ShaderWarning::UNUSED_CONSTANT) {
flags &= ~(ShaderWarning::UNUSED_CONSTANT);
}
if (flags & ShaderWarning::UNUSED_FUNCTION) {
flags &= ~(ShaderWarning::UNUSED_FUNCTION);
}
if (flags & ShaderWarning::UNUSED_STRUCT) {
flags &= ~(ShaderWarning::UNUSED_STRUCT);
}
if (flags & ShaderWarning::UNUSED_UNIFORM) {
flags &= ~(ShaderWarning::UNUSED_UNIFORM);
}
if (flags & ShaderWarning::UNUSED_VARYING) {
flags &= ~(ShaderWarning::UNUSED_VARYING);
}
}
sl.set_warning_flags(flags);
ShaderLanguage::ShaderCompileInfo comp_info;
comp_info.global_shader_uniform_type_func = _get_global_shader_uniform_type;
if (shader.is_null()) {
comp_info.is_include = true;
} else {
Shader::Mode mode = shader->get_mode();
comp_info.functions = ShaderTypes::get_singleton()->get_functions(RenderingServer::ShaderMode(mode));
comp_info.render_modes = ShaderTypes::get_singleton()->get_modes(RenderingServer::ShaderMode(mode));
comp_info.shader_types = ShaderTypes::get_singleton()->get_types();
}
code = code_pp;
//compiler error
last_compile_result = sl.compile(code, comp_info);
if (last_compile_result != OK) {
String err_text;
int err_line;
Vector<ShaderLanguage::FilePosition> include_positions = sl.get_include_positions();
if (include_positions.size() > 1) {
//error is in an include
err_line = include_positions[0].line;
err_text = "error(" + itos(err_line) + ") in include " + include_positions[include_positions.size() - 1].file + ":" + itos(include_positions[include_positions.size() - 1].line) + ": " + sl.get_error_text();
set_error_count(include_positions.size() - 1);
} else {
err_line = sl.get_error_line();
err_text = "error(" + itos(err_line) + "): " + sl.get_error_text();
set_error_count(0);
}
set_error(err_text);
set_error_pos(err_line - 1, 0);
get_text_editor()->set_line_background_color(err_line - 1, marked_line_color);
} else {
set_error("");
}
if (warnings.size() > 0 || last_compile_result != OK) {
warnings_panel->clear();
}
warnings.clear();
for (List<ShaderWarning>::Element *E = sl.get_warnings_ptr(); E; E = E->next()) {
warnings.push_back(E->get());
}
if (warnings.size() > 0 && last_compile_result == OK) {
warnings.sort_custom<WarningsComparator>();
_update_warning_panel();
} else {
set_warning_count(0);
}
}
emit_signal(SNAME("script_validated"), last_compile_result == OK); // Notify that validation finished, to update the list of scripts
}
void ShaderTextEditor::_update_warning_panel() {
int warning_count = 0;
warnings_panel->push_table(2);
for (int i = 0; i < warnings.size(); i++) {
ShaderWarning &w = warnings[i];
if (warning_count == 0) {
if (saved_treat_warning_as_errors) {
String error_text = "error(" + itos(w.get_line()) + "): " + w.get_message() + " " + TTR("Warnings should be fixed to prevent errors.");
set_error_pos(w.get_line() - 1, 0);
set_error(error_text);
get_text_editor()->set_line_background_color(w.get_line() - 1, marked_line_color);
}
}
warning_count++;
int line = w.get_line();
// First cell.
warnings_panel->push_cell();
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warnings_panel->push_color(warnings_panel->get_theme_color(SNAME("warning_color"), EditorStringName(Editor)));
if (line != -1) {
warnings_panel->push_meta(line - 1);
warnings_panel->add_text(TTR("Line") + " " + itos(line));
warnings_panel->add_text(" (" + w.get_name() + "):");
warnings_panel->pop(); // Meta goto.
} else {
warnings_panel->add_text(w.get_name() + ":");
}
warnings_panel->pop(); // Color.
warnings_panel->pop(); // Cell.
// Second cell.
warnings_panel->push_cell();
warnings_panel->add_text(w.get_message());
warnings_panel->pop(); // Cell.
}
warnings_panel->pop(); // Table.
set_warning_count(warning_count);
}
void ShaderTextEditor::_bind_methods() {
ADD_SIGNAL(MethodInfo("script_validated", PropertyInfo(Variant::BOOL, "valid")));
}
ShaderTextEditor::ShaderTextEditor() {
syntax_highlighter.instantiate();
get_text_editor()->set_syntax_highlighter(syntax_highlighter);
}
/*** SCRIPT EDITOR ******/
void TextShaderEditor::_menu_option(int p_option) {
code_editor->get_text_editor()->apply_ime();
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switch (p_option) {
case EDIT_UNDO: {
code_editor->get_text_editor()->undo();
} break;
case EDIT_REDO: {
code_editor->get_text_editor()->redo();
} break;
case EDIT_CUT: {
code_editor->get_text_editor()->cut();
} break;
case EDIT_COPY: {
code_editor->get_text_editor()->copy();
} break;
case EDIT_PASTE: {
code_editor->get_text_editor()->paste();
} break;
case EDIT_SELECT_ALL: {
code_editor->get_text_editor()->select_all();
} break;
case EDIT_MOVE_LINE_UP: {
code_editor->move_lines_up();
} break;
case EDIT_MOVE_LINE_DOWN: {
code_editor->move_lines_down();
} break;
case EDIT_INDENT: {
if (shader.is_null() && shader_inc.is_null()) {
return;
}
code_editor->get_text_editor()->indent_lines();
} break;
case EDIT_UNINDENT: {
if (shader.is_null() && shader_inc.is_null()) {
return;
}
code_editor->get_text_editor()->unindent_lines();
} break;
case EDIT_DELETE_LINE: {
code_editor->delete_lines();
} break;
case EDIT_DUPLICATE_SELECTION: {
code_editor->duplicate_selection();
} break;
case EDIT_DUPLICATE_LINES: {
code_editor->get_text_editor()->duplicate_lines();
} break;
case EDIT_TOGGLE_WORD_WRAP: {
TextEdit::LineWrappingMode wrap = code_editor->get_text_editor()->get_line_wrapping_mode();
code_editor->get_text_editor()->set_line_wrapping_mode(wrap == TextEdit::LINE_WRAPPING_BOUNDARY ? TextEdit::LINE_WRAPPING_NONE : TextEdit::LINE_WRAPPING_BOUNDARY);
} break;
case EDIT_TOGGLE_COMMENT: {
if (shader.is_null() && shader_inc.is_null()) {
return;
}
code_editor->toggle_inline_comment("//");
} break;
case EDIT_COMPLETE: {
code_editor->get_text_editor()->request_code_completion();
} break;
case SEARCH_FIND: {
code_editor->get_find_replace_bar()->popup_search();
} break;
case SEARCH_FIND_NEXT: {
code_editor->get_find_replace_bar()->search_next();
} break;
case SEARCH_FIND_PREV: {
code_editor->get_find_replace_bar()->search_prev();
} break;
case SEARCH_REPLACE: {
code_editor->get_find_replace_bar()->popup_replace();
} break;
case SEARCH_GOTO_LINE: {
goto_line_dialog->popup_find_line(code_editor->get_text_editor());
} break;
case BOOKMARK_TOGGLE: {
code_editor->toggle_bookmark();
} break;
case BOOKMARK_GOTO_NEXT: {
code_editor->goto_next_bookmark();
} break;
case BOOKMARK_GOTO_PREV: {
code_editor->goto_prev_bookmark();
} break;
case BOOKMARK_REMOVE_ALL: {
code_editor->remove_all_bookmarks();
} break;
case HELP_DOCS: {
OS::get_singleton()->shell_open(vformat("%s/tutorials/shaders/shader_reference/index.html", VERSION_DOCS_URL));
} break;
}
if (p_option != SEARCH_FIND && p_option != SEARCH_REPLACE && p_option != SEARCH_GOTO_LINE) {
callable_mp((Control *)code_editor->get_text_editor(), &Control::grab_focus).call_deferred();
}
}
void TextShaderEditor::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE:
case NOTIFICATION_THEME_CHANGED: {
PopupMenu *popup = help_menu->get_popup();
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popup->set_item_icon(popup->get_item_index(HELP_DOCS), get_editor_theme_icon(SNAME("ExternalLink")));
} break;
case NOTIFICATION_APPLICATION_FOCUS_IN: {
_check_for_external_edit();
} break;
}
}
void TextShaderEditor::_editor_settings_changed() {
if (!EditorThemeManager::is_generated_theme_outdated() &&
!EditorSettings::get_singleton()->check_changed_settings_in_group("interface/editor") &&
!EditorSettings::get_singleton()->check_changed_settings_in_group("text_editor")) {
return;
}
_apply_editor_settings();
}
void TextShaderEditor::_apply_editor_settings() {
code_editor->update_editor_settings();
trim_trailing_whitespace_on_save = EDITOR_GET("text_editor/behavior/files/trim_trailing_whitespace_on_save");
}
void TextShaderEditor::_show_warnings_panel(bool p_show) {
warnings_panel->set_visible(p_show);
}
void TextShaderEditor::_warning_clicked(const Variant &p_line) {
if (p_line.get_type() == Variant::INT) {
code_editor->get_text_editor()->set_caret_line(p_line.operator int64_t());
}
}
void TextShaderEditor::_bind_methods() {
ClassDB::bind_method("_show_warnings_panel", &TextShaderEditor::_show_warnings_panel);
ClassDB::bind_method("_warning_clicked", &TextShaderEditor::_warning_clicked);
ADD_SIGNAL(MethodInfo("validation_changed"));
}
void TextShaderEditor::ensure_select_current() {
}
void TextShaderEditor::goto_line_selection(int p_line, int p_begin, int p_end) {
code_editor->goto_line_selection(p_line, p_begin, p_end);
}
void TextShaderEditor::_project_settings_changed() {
_update_warnings(true);
}
void TextShaderEditor::_update_warnings(bool p_validate) {
bool changed = false;
bool warnings_enabled = GLOBAL_GET("debug/shader_language/warnings/enable").booleanize();
if (warnings_enabled != saved_warnings_enabled) {
saved_warnings_enabled = warnings_enabled;
changed = true;
}
bool treat_warning_as_errors = GLOBAL_GET("debug/shader_language/warnings/treat_warnings_as_errors").booleanize();
if (treat_warning_as_errors != saved_treat_warning_as_errors) {
saved_treat_warning_as_errors = treat_warning_as_errors;
changed = true;
}
bool update_flags = false;
for (int i = 0; i < ShaderWarning::WARNING_MAX; i++) {
ShaderWarning::Code code = (ShaderWarning::Code)i;
bool value = GLOBAL_GET("debug/shader_language/warnings/" + ShaderWarning::get_name_from_code(code).to_lower());
if (saved_warnings[code] != value) {
saved_warnings[code] = value;
update_flags = true;
changed = true;
}
}
if (update_flags) {
saved_warning_flags = (uint32_t)ShaderWarning::get_flags_from_codemap(saved_warnings);
}
if (p_validate && changed && code_editor && code_editor->get_edited_shader().is_valid()) {
code_editor->validate_script();
}
}
void TextShaderEditor::_check_for_external_edit() {
bool use_autoreload = bool(EDITOR_GET("text_editor/behavior/files/auto_reload_scripts_on_external_change"));
if (shader_inc.is_valid()) {
if (shader_inc->get_last_modified_time() != FileAccess::get_modified_time(shader_inc->get_path())) {
if (use_autoreload) {
_reload_shader_include_from_disk();
} else {
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callable_mp((Window *)disk_changed, &Window::popup_centered).call_deferred(Size2i());
}
}
return;
}
if (shader.is_null() || shader->is_built_in()) {
return;
}
if (shader->get_last_modified_time() != FileAccess::get_modified_time(shader->get_path())) {
if (use_autoreload) {
_reload_shader_from_disk();
} else {
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callable_mp((Window *)disk_changed, &Window::popup_centered).call_deferred(Size2i());
}
}
}
void TextShaderEditor::_reload_shader_from_disk() {
Ref<Shader> rel_shader = ResourceLoader::load(shader->get_path(), shader->get_class(), ResourceFormatLoader::CACHE_MODE_IGNORE);
ERR_FAIL_COND(!rel_shader.is_valid());
code_editor->set_block_shader_changed(true);
shader->set_code(rel_shader->get_code());
code_editor->set_block_shader_changed(false);
shader->set_last_modified_time(rel_shader->get_last_modified_time());
code_editor->reload_text();
}
void TextShaderEditor::_reload_shader_include_from_disk() {
Ref<ShaderInclude> rel_shader_include = ResourceLoader::load(shader_inc->get_path(), shader_inc->get_class(), ResourceFormatLoader::CACHE_MODE_IGNORE);
ERR_FAIL_COND(!rel_shader_include.is_valid());
code_editor->set_block_shader_changed(true);
shader_inc->set_code(rel_shader_include->get_code());
code_editor->set_block_shader_changed(false);
shader_inc->set_last_modified_time(rel_shader_include->get_last_modified_time());
code_editor->reload_text();
}
void TextShaderEditor::_reload() {
if (shader.is_valid()) {
_reload_shader_from_disk();
} else if (shader_inc.is_valid()) {
_reload_shader_include_from_disk();
}
}
void TextShaderEditor::edit(const Ref<Shader> &p_shader) {
if (p_shader.is_null() || !p_shader->is_text_shader()) {
return;
}
if (shader == p_shader) {
return;
}
shader = p_shader;
shader_inc = Ref<ShaderInclude>();
code_editor->set_edited_shader(shader);
}
void TextShaderEditor::edit(const Ref<ShaderInclude> &p_shader_inc) {
if (p_shader_inc.is_null()) {
return;
}
if (shader_inc == p_shader_inc) {
return;
}
shader_inc = p_shader_inc;
shader = Ref<Shader>();
code_editor->set_edited_shader_include(p_shader_inc);
}
void TextShaderEditor::save_external_data(const String &p_str) {
if (shader.is_null() && shader_inc.is_null()) {
disk_changed->hide();
return;
}
if (trim_trailing_whitespace_on_save) {
trim_trailing_whitespace();
}
apply_shaders();
Ref<Shader> edited_shader = code_editor->get_edited_shader();
if (edited_shader.is_valid()) {
ResourceSaver::save(edited_shader);
}
if (shader.is_valid() && shader != edited_shader) {
ResourceSaver::save(shader);
}
Ref<ShaderInclude> edited_shader_inc = code_editor->get_edited_shader_include();
if (edited_shader_inc.is_valid()) {
ResourceSaver::save(edited_shader_inc);
}
if (shader_inc.is_valid() && shader_inc != edited_shader_inc) {
ResourceSaver::save(shader_inc);
}
code_editor->get_text_editor()->tag_saved_version();
disk_changed->hide();
}
void TextShaderEditor::trim_trailing_whitespace() {
code_editor->trim_trailing_whitespace();
}
void TextShaderEditor::validate_script() {
code_editor->_validate_script();
}
bool TextShaderEditor::is_unsaved() const {
return code_editor->get_text_editor()->get_saved_version() != code_editor->get_text_editor()->get_version();
}
void TextShaderEditor::tag_saved_version() {
code_editor->get_text_editor()->tag_saved_version();
}
void TextShaderEditor::apply_shaders() {
String editor_code = code_editor->get_text_editor()->get_text();
if (shader.is_valid()) {
String shader_code = shader->get_code();
if (shader_code != editor_code || dependencies_version != code_editor->get_dependencies_version()) {
code_editor->set_block_shader_changed(true);
shader->set_code(editor_code);
code_editor->set_block_shader_changed(false);
shader->set_edited(true);
}
}
if (shader_inc.is_valid()) {
String shader_inc_code = shader_inc->get_code();
if (shader_inc_code != editor_code || dependencies_version != code_editor->get_dependencies_version()) {
code_editor->set_block_shader_changed(true);
shader_inc->set_code(editor_code);
code_editor->set_block_shader_changed(false);
shader_inc->set_edited(true);
}
}
dependencies_version = code_editor->get_dependencies_version();
}
void TextShaderEditor::_text_edit_gui_input(const Ref<InputEvent> &ev) {
Ref<InputEventMouseButton> mb = ev;
if (mb.is_valid()) {
if (mb->get_button_index() == MouseButton::RIGHT && mb->is_pressed()) {
CodeEdit *tx = code_editor->get_text_editor();
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tx->apply_ime();
Point2i pos = tx->get_line_column_at_pos(mb->get_global_position() - tx->get_global_position());
int row = pos.y;
int col = pos.x;
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tx->set_move_caret_on_right_click_enabled(EDITOR_GET("text_editor/behavior/navigation/move_caret_on_right_click"));
if (tx->is_move_caret_on_right_click_enabled()) {
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tx->remove_secondary_carets();
if (tx->has_selection()) {
int from_line = tx->get_selection_from_line();
int to_line = tx->get_selection_to_line();
int from_column = tx->get_selection_from_column();
int to_column = tx->get_selection_to_column();
if (row < from_line || row > to_line || (row == from_line && col < from_column) || (row == to_line && col > to_column)) {
// Right click is outside the selected text
tx->deselect();
}
}
if (!tx->has_selection()) {
tx->set_caret_line(row, true, false);
tx->set_caret_column(col);
}
}
_make_context_menu(tx->has_selection(), get_local_mouse_position());
}
}
Ref<InputEventKey> k = ev;
if (k.is_valid() && k->is_pressed() && k->is_action("ui_menu", true)) {
CodeEdit *tx = code_editor->get_text_editor();
tx->adjust_viewport_to_caret();
_make_context_menu(tx->has_selection(), (get_global_transform().inverse() * tx->get_global_transform()).xform(tx->get_caret_draw_pos()));
context_menu->grab_focus();
}
}
void TextShaderEditor::_update_bookmark_list() {
bookmarks_menu->clear();
bookmarks_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_bookmark"), BOOKMARK_TOGGLE);
bookmarks_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/remove_all_bookmarks"), BOOKMARK_REMOVE_ALL);
bookmarks_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_next_bookmark"), BOOKMARK_GOTO_NEXT);
bookmarks_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_previous_bookmark"), BOOKMARK_GOTO_PREV);
PackedInt32Array bookmark_list = code_editor->get_text_editor()->get_bookmarked_lines();
if (bookmark_list.size() == 0) {
return;
}
bookmarks_menu->add_separator();
for (int i = 0; i < bookmark_list.size(); i++) {
String line = code_editor->get_text_editor()->get_line(bookmark_list[i]).strip_edges();
// Limit the size of the line if too big.
if (line.length() > 50) {
line = line.substr(0, 50);
}
bookmarks_menu->add_item(String::num((int)bookmark_list[i] + 1) + " - \"" + line + "\"");
bookmarks_menu->set_item_metadata(-1, bookmark_list[i]);
}
}
void TextShaderEditor::_bookmark_item_pressed(int p_idx) {
if (p_idx < 4) { // Any item before the separator.
_menu_option(bookmarks_menu->get_item_id(p_idx));
} else {
code_editor->goto_line(bookmarks_menu->get_item_metadata(p_idx));
}
}
void TextShaderEditor::_make_context_menu(bool p_selection, Vector2 p_position) {
context_menu->clear();
if (p_selection) {
context_menu->add_shortcut(ED_GET_SHORTCUT("ui_cut"), EDIT_CUT);
context_menu->add_shortcut(ED_GET_SHORTCUT("ui_copy"), EDIT_COPY);
}
context_menu->add_shortcut(ED_GET_SHORTCUT("ui_paste"), EDIT_PASTE);
context_menu->add_separator();
context_menu->add_shortcut(ED_GET_SHORTCUT("ui_text_select_all"), EDIT_SELECT_ALL);
context_menu->add_shortcut(ED_GET_SHORTCUT("ui_undo"), EDIT_UNDO);
context_menu->add_shortcut(ED_GET_SHORTCUT("ui_redo"), EDIT_REDO);
context_menu->add_separator();
context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/indent"), EDIT_INDENT);
context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/unindent"), EDIT_UNINDENT);
context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_comment"), EDIT_TOGGLE_COMMENT);
context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_bookmark"), BOOKMARK_TOGGLE);
context_menu->set_position(get_screen_position() + p_position);
context_menu->reset_size();
context_menu->popup();
}
TextShaderEditor::TextShaderEditor() {
_update_warnings(false);
code_editor = memnew(ShaderTextEditor);
code_editor->connect("script_validated", callable_mp(this, &TextShaderEditor::_script_validated));
code_editor->set_v_size_flags(SIZE_EXPAND_FILL);
code_editor->add_theme_constant_override("separation", 0);
code_editor->set_anchors_and_offsets_preset(Control::PRESET_FULL_RECT);
code_editor->connect("show_warnings_panel", callable_mp(this, &TextShaderEditor::_show_warnings_panel));
code_editor->connect("script_changed", callable_mp(this, &TextShaderEditor::apply_shaders));
EditorSettings::get_singleton()->connect("settings_changed", callable_mp(this, &TextShaderEditor::_editor_settings_changed));
ProjectSettings::get_singleton()->connect("settings_changed", callable_mp(this, &TextShaderEditor::_project_settings_changed));
code_editor->get_text_editor()->set_symbol_lookup_on_click_enabled(true);
code_editor->get_text_editor()->set_context_menu_enabled(false);
code_editor->get_text_editor()->set_draw_breakpoints_gutter(false);
code_editor->get_text_editor()->set_draw_executing_lines_gutter(false);
code_editor->get_text_editor()->connect("gui_input", callable_mp(this, &TextShaderEditor::_text_edit_gui_input));
code_editor->update_editor_settings();
context_menu = memnew(PopupMenu);
add_child(context_menu);
context_menu->connect("id_pressed", callable_mp(this, &TextShaderEditor::_menu_option));
VBoxContainer *main_container = memnew(VBoxContainer);
HBoxContainer *hbc = memnew(HBoxContainer);
edit_menu = memnew(MenuButton);
edit_menu->set_shortcut_context(this);
edit_menu->set_text(TTR("Edit"));
edit_menu->set_switch_on_hover(true);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("ui_undo"), EDIT_UNDO);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("ui_redo"), EDIT_REDO);
edit_menu->get_popup()->add_separator();
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("ui_cut"), EDIT_CUT);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("ui_copy"), EDIT_COPY);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("ui_paste"), EDIT_PASTE);
edit_menu->get_popup()->add_separator();
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("ui_text_select_all"), EDIT_SELECT_ALL);
edit_menu->get_popup()->add_separator();
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/move_up"), EDIT_MOVE_LINE_UP);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/move_down"), EDIT_MOVE_LINE_DOWN);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/indent"), EDIT_INDENT);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/unindent"), EDIT_UNINDENT);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/delete_line"), EDIT_DELETE_LINE);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_comment"), EDIT_TOGGLE_COMMENT);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/duplicate_selection"), EDIT_DUPLICATE_SELECTION);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/duplicate_lines"), EDIT_DUPLICATE_LINES);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_word_wrap"), EDIT_TOGGLE_WORD_WRAP);
edit_menu->get_popup()->add_separator();
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("ui_text_completion_query"), EDIT_COMPLETE);
edit_menu->get_popup()->connect("id_pressed", callable_mp(this, &TextShaderEditor::_menu_option));
search_menu = memnew(MenuButton);
search_menu->set_shortcut_context(this);
search_menu->set_text(TTR("Search"));
search_menu->set_switch_on_hover(true);
search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/find"), SEARCH_FIND);
search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/find_next"), SEARCH_FIND_NEXT);
search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/find_previous"), SEARCH_FIND_PREV);
search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/replace"), SEARCH_REPLACE);
search_menu->get_popup()->connect("id_pressed", callable_mp(this, &TextShaderEditor::_menu_option));
MenuButton *goto_menu = memnew(MenuButton);
goto_menu->set_shortcut_context(this);
goto_menu->set_text(TTR("Go To"));
goto_menu->set_switch_on_hover(true);
goto_menu->get_popup()->connect("id_pressed", callable_mp(this, &TextShaderEditor::_menu_option));
goto_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_line"), SEARCH_GOTO_LINE);
goto_menu->get_popup()->add_separator();
bookmarks_menu = memnew(PopupMenu);
goto_menu->get_popup()->add_submenu_node_item(TTR("Bookmarks"), bookmarks_menu);
_update_bookmark_list();
bookmarks_menu->connect("about_to_popup", callable_mp(this, &TextShaderEditor::_update_bookmark_list));
bookmarks_menu->connect("index_pressed", callable_mp(this, &TextShaderEditor::_bookmark_item_pressed));
help_menu = memnew(MenuButton);
help_menu->set_text(TTR("Help"));
help_menu->set_switch_on_hover(true);
help_menu->get_popup()->add_item(TTR("Online Docs"), HELP_DOCS);
help_menu->get_popup()->connect("id_pressed", callable_mp(this, &TextShaderEditor::_menu_option));
add_child(main_container);
main_container->add_child(hbc);
hbc->add_child(search_menu);
hbc->add_child(edit_menu);
hbc->add_child(goto_menu);
hbc->add_child(help_menu);
hbc->add_theme_style_override("panel", EditorNode::get_singleton()->get_editor_theme()->get_stylebox(SNAME("ScriptEditorPanel"), EditorStringName(EditorStyles)));
VSplitContainer *editor_box = memnew(VSplitContainer);
main_container->add_child(editor_box);
editor_box->set_anchors_and_offsets_preset(Control::PRESET_FULL_RECT);
editor_box->set_v_size_flags(SIZE_EXPAND_FILL);
editor_box->add_child(code_editor);
FindReplaceBar *bar = memnew(FindReplaceBar);
main_container->add_child(bar);
bar->hide();
code_editor->set_find_replace_bar(bar);
warnings_panel = memnew(RichTextLabel);
warnings_panel->set_custom_minimum_size(Size2(0, 100 * EDSCALE));
warnings_panel->set_h_size_flags(SIZE_EXPAND_FILL);
warnings_panel->set_meta_underline(true);
warnings_panel->set_selection_enabled(true);
warnings_panel->set_context_menu_enabled(true);
warnings_panel->set_focus_mode(FOCUS_CLICK);
warnings_panel->hide();
warnings_panel->connect("meta_clicked", callable_mp(this, &TextShaderEditor::_warning_clicked));
editor_box->add_child(warnings_panel);
code_editor->set_warnings_panel(warnings_panel);
goto_line_dialog = memnew(GotoLineDialog);
add_child(goto_line_dialog);
disk_changed = memnew(ConfirmationDialog);
VBoxContainer *vbc = memnew(VBoxContainer);
disk_changed->add_child(vbc);
Label *dl = memnew(Label);
dl->set_text(TTR("This shader has been modified on disk.\nWhat action should be taken?"));
vbc->add_child(dl);
disk_changed->connect("confirmed", callable_mp(this, &TextShaderEditor::_reload));
disk_changed->set_ok_button_text(TTR("Reload"));
disk_changed->add_button(TTR("Resave"), !DisplayServer::get_singleton()->get_swap_cancel_ok(), "resave");
disk_changed->connect("custom_action", callable_mp(this, &TextShaderEditor::save_external_data));
add_child(disk_changed);
_editor_settings_changed();
}