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godotengine
GitHub Repository: godotengine/godot
 Path: blob/master/editor/shader/editor_native_shader_source_visualizer.cpp
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/**************************************************************************/

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/*  editor_native_shader_source_visualizer.cpp                            */

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/**************************************************************************/

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/*                         This file is part of:                          */

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/*                             GODOT ENGINE                               */

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/*                        https://godotengine.org                         */

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/**************************************************************************/

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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */

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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */

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/*                                                                        */

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/* Permission is hereby granted, free of charge, to any person obtaining  */

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/* a copy of this software and associated documentation files (the        */

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/* "Software"), to deal in the Software without restriction, including    */

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/* without limitation the rights to use, copy, modify, merge, publish,    */

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/* distribute, sublicense, and/or sell copies of the Software, and to     */

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/* permit persons to whom the Software is furnished to do so, subject to  */

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/* the following conditions:                                              */

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/*                                                                        */

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/* The above copyright notice and this permission notice shall be         */

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/* included in all copies or substantial portions of the Software.        */

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/*                                                                        */

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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */

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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */

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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */

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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */

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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */

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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */

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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */

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/**************************************************************************/

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#include "editor_native_shader_source_visualizer.h"

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#include "editor/editor_string_names.h"

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#include "editor/settings/editor_settings.h"

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#include "editor/themes/editor_scale.h"

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#include "scene/gui/code_edit.h"

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#include "scene/gui/text_edit.h"

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#include "servers/rendering/shader_language.h"

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void EditorNativeShaderSourceVisualizer::_load_theme_settings() {

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	syntax_highlighter->set_number_color(EDITOR_GET("text_editor/theme/highlighting/number_color"));

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	syntax_highlighter->set_symbol_color(EDITOR_GET("text_editor/theme/highlighting/symbol_color"));

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	syntax_highlighter->set_function_color(EDITOR_GET("text_editor/theme/highlighting/function_color"));

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	syntax_highlighter->set_member_variable_color(EDITOR_GET("text_editor/theme/highlighting/member_variable_color"));

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	syntax_highlighter->clear_keyword_colors();

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	List<String> keywords;

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	ShaderLanguage::get_keyword_list(&keywords);

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	const Color keyword_color = EDITOR_GET("text_editor/theme/highlighting/keyword_color");

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	const Color control_flow_keyword_color = EDITOR_GET("text_editor/theme/highlighting/control_flow_keyword_color");

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	for (const String &keyword : keywords) {

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		if (ShaderLanguage::is_control_flow_keyword(keyword)) {

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			syntax_highlighter->add_keyword_color(keyword, control_flow_keyword_color);

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		} else {

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			syntax_highlighter->add_keyword_color(keyword, keyword_color);

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		}

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	}

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	// Colorize comments.

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	const Color comment_color = EDITOR_GET("text_editor/theme/highlighting/comment_color");

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	syntax_highlighter->clear_color_regions();

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	syntax_highlighter->add_color_region("/*", "*/", comment_color, false);

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	syntax_highlighter->add_color_region("//", "", comment_color, true);

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	// Colorize preprocessor statements.

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	const Color user_type_color = EDITOR_GET("text_editor/theme/highlighting/user_type_color");

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	syntax_highlighter->add_color_region("#", "", user_type_color, true);

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	syntax_highlighter->set_uint_suffix_enabled(true);

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}

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void EditorNativeShaderSourceVisualizer::_inspect_shader(RID p_shader) {

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	if (versions) {

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		memdelete(versions);

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		versions = nullptr;

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	}

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	RS::ShaderNativeSourceCode nsc = RS::get_singleton()->shader_get_native_source_code(p_shader);

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	_load_theme_settings();

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	versions = memnew(TabContainer);

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	versions->set_theme_type_variation("TabContainerInner");

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	versions->set_tab_alignment(TabBar::ALIGNMENT_CENTER);

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	versions->set_v_size_flags(Control::SIZE_EXPAND_FILL);

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	versions->set_h_size_flags(Control::SIZE_EXPAND_FILL);

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	for (int i = 0; i < nsc.versions.size(); i++) {

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		TabContainer *vtab = memnew(TabContainer);

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		vtab->set_theme_type_variation("TabContainerInner");

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		vtab->set_name("Version " + itos(i));

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		vtab->set_tab_alignment(TabBar::ALIGNMENT_CENTER);

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		vtab->set_v_size_flags(Control::SIZE_EXPAND_FILL);

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		vtab->set_h_size_flags(Control::SIZE_EXPAND_FILL);

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		versions->add_child(vtab);

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		for (int j = 0; j < nsc.versions[i].stages.size(); j++) {

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			CodeEdit *code_edit = memnew(CodeEdit);

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			code_edit->set_editable(false);

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			code_edit->set_syntax_highlighter(syntax_highlighter);

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			code_edit->add_theme_font_override(SceneStringName(font), get_theme_font("source", EditorStringName(EditorFonts)));

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			code_edit->add_theme_font_size_override(SceneStringName(font_size), get_theme_font_size("source_size", EditorStringName(EditorFonts)));

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			code_edit->add_theme_constant_override("line_spacing", EDITOR_GET("text_editor/appearance/whitespace/line_spacing"));

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			// Appearance: Caret

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			code_edit->set_caret_type((TextEdit::CaretType)EDITOR_GET("text_editor/appearance/caret/type").operator int());

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			code_edit->set_caret_blink_enabled(EDITOR_GET("text_editor/appearance/caret/caret_blink"));

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			code_edit->set_caret_blink_interval(EDITOR_GET("text_editor/appearance/caret/caret_blink_interval"));

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			code_edit->set_highlight_current_line(EDITOR_GET("text_editor/appearance/caret/highlight_current_line"));

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			code_edit->set_highlight_all_occurrences(EDITOR_GET("text_editor/appearance/caret/highlight_all_occurrences"));

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			// Appearance: Gutters

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			code_edit->set_draw_line_numbers(EDITOR_GET("text_editor/appearance/gutters/show_line_numbers"));

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			code_edit->set_line_numbers_zero_padded(EDITOR_GET("text_editor/appearance/gutters/line_numbers_zero_padded"));

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			// Appearance: Minimap

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			code_edit->set_draw_minimap(EDITOR_GET("text_editor/appearance/minimap/show_minimap"));

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			code_edit->set_minimap_width((int)EDITOR_GET("text_editor/appearance/minimap/minimap_width") * EDSCALE);

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			// Appearance: Lines

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			code_edit->set_line_folding_enabled(EDITOR_GET("text_editor/appearance/lines/code_folding"));

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			code_edit->set_draw_fold_gutter(EDITOR_GET("text_editor/appearance/lines/code_folding"));

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			code_edit->set_line_wrapping_mode((TextEdit::LineWrappingMode)EDITOR_GET("text_editor/appearance/lines/word_wrap").operator int());

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			code_edit->set_autowrap_mode((TextServer::AutowrapMode)EDITOR_GET("text_editor/appearance/lines/autowrap_mode").operator int());

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			// Appearance: Whitespace

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			code_edit->set_draw_tabs(EDITOR_GET("text_editor/appearance/whitespace/draw_tabs"));

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			code_edit->set_draw_spaces(EDITOR_GET("text_editor/appearance/whitespace/draw_spaces"));

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			code_edit->add_theme_constant_override("line_spacing", EDITOR_GET("text_editor/appearance/whitespace/line_spacing"));

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			// Behavior: Navigation

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			code_edit->set_scroll_past_end_of_file_enabled(EDITOR_GET("text_editor/behavior/navigation/scroll_past_end_of_file"));

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			code_edit->set_smooth_scroll_enabled(EDITOR_GET("text_editor/behavior/navigation/smooth_scrolling"));

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			code_edit->set_v_scroll_speed(EDITOR_GET("text_editor/behavior/navigation/v_scroll_speed"));

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			code_edit->set_drag_and_drop_selection_enabled(EDITOR_GET("text_editor/behavior/navigation/drag_and_drop_selection"));

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			// Behavior: Indent

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			code_edit->set_indent_size(EDITOR_GET("text_editor/behavior/indent/size"));

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			code_edit->set_auto_indent_enabled(EDITOR_GET("text_editor/behavior/indent/auto_indent"));

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			code_edit->set_indent_wrapped_lines(EDITOR_GET("text_editor/behavior/indent/indent_wrapped_lines"));

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			code_edit->set_name(nsc.versions[i].stages[j].name);

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			code_edit->set_text(nsc.versions[i].stages[j].code);

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			code_edit->set_v_size_flags(Control::SIZE_EXPAND_FILL);

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			code_edit->set_h_size_flags(Control::SIZE_EXPAND_FILL);

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			vtab->add_child(code_edit);

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		}

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	}

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	add_child(versions);

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	popup_centered_ratio();

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}

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void EditorNativeShaderSourceVisualizer::_bind_methods() {

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	ClassDB::bind_method("_inspect_shader", &EditorNativeShaderSourceVisualizer::_inspect_shader);

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}

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EditorNativeShaderSourceVisualizer::EditorNativeShaderSourceVisualizer() {

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	syntax_highlighter.instantiate();

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	add_to_group("_native_shader_source_visualizer");

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	set_title(TTR("Native Shader Source Inspector"));

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}

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