1 /*************************************************************************/
2 /*  shader_editor_plugin.cpp                                             */
3 /*************************************************************************/
4 /*                       This file is part of:                           */
5 /*                           GODOT ENGINE                                */
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8 /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
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30 
31 #include "shader_editor_plugin.h"
32 
33 #include "core/io/resource_loader.h"
34 #include "core/io/resource_saver.h"
35 #include "core/os/keyboard.h"
36 #include "core/os/os.h"
37 #include "editor/editor_node.h"
38 #include "editor/editor_scale.h"
39 #include "editor/editor_settings.h"
40 #include "editor/property_editor.h"
41 #include "servers/visual/shader_types.h"
42 
43 /*** SHADER SCRIPT EDITOR ****/
44 
get_edited_shader() const45 Ref<Shader> ShaderTextEditor::get_edited_shader() const {
46 
47 	return shader;
48 }
set_edited_shader(const Ref<Shader> & p_shader)49 void ShaderTextEditor::set_edited_shader(const Ref<Shader> &p_shader) {
50 
51 	if (shader == p_shader) {
52 		return;
53 	}
54 	shader = p_shader;
55 
56 	_load_theme_settings();
57 
58 	get_text_edit()->set_text(p_shader->get_code());
59 	get_text_edit()->clear_undo_history();
60 
61 	_validate_script();
62 	_line_col_changed();
63 }
64 
reload_text()65 void ShaderTextEditor::reload_text() {
66 	ERR_FAIL_COND(shader.is_null());
67 
68 	TextEdit *te = get_text_edit();
69 	int column = te->cursor_get_column();
70 	int row = te->cursor_get_line();
71 	int h = te->get_h_scroll();
72 	int v = te->get_v_scroll();
73 
74 	te->set_text(shader->get_code());
75 	te->cursor_set_line(row);
76 	te->cursor_set_column(column);
77 	te->set_h_scroll(h);
78 	te->set_v_scroll(v);
79 
80 	te->tag_saved_version();
81 
82 	update_line_and_column();
83 }
84 
_load_theme_settings()85 void ShaderTextEditor::_load_theme_settings() {
86 
87 	get_text_edit()->clear_colors();
88 
89 	Color background_color = EDITOR_GET("text_editor/highlighting/background_color");
90 	Color completion_background_color = EDITOR_GET("text_editor/highlighting/completion_background_color");
91 	Color completion_selected_color = EDITOR_GET("text_editor/highlighting/completion_selected_color");
92 	Color completion_existing_color = EDITOR_GET("text_editor/highlighting/completion_existing_color");
93 	Color completion_scroll_color = EDITOR_GET("text_editor/highlighting/completion_scroll_color");
94 	Color completion_font_color = EDITOR_GET("text_editor/highlighting/completion_font_color");
95 	Color text_color = EDITOR_GET("text_editor/highlighting/text_color");
96 	Color line_number_color = EDITOR_GET("text_editor/highlighting/line_number_color");
97 	Color caret_color = EDITOR_GET("text_editor/highlighting/caret_color");
98 	Color caret_background_color = EDITOR_GET("text_editor/highlighting/caret_background_color");
99 	Color text_selected_color = EDITOR_GET("text_editor/highlighting/text_selected_color");
100 	Color selection_color = EDITOR_GET("text_editor/highlighting/selection_color");
101 	Color brace_mismatch_color = EDITOR_GET("text_editor/highlighting/brace_mismatch_color");
102 	Color current_line_color = EDITOR_GET("text_editor/highlighting/current_line_color");
103 	Color line_length_guideline_color = EDITOR_GET("text_editor/highlighting/line_length_guideline_color");
104 	Color word_highlighted_color = EDITOR_GET("text_editor/highlighting/word_highlighted_color");
105 	Color number_color = EDITOR_GET("text_editor/highlighting/number_color");
106 	Color function_color = EDITOR_GET("text_editor/highlighting/function_color");
107 	Color member_variable_color = EDITOR_GET("text_editor/highlighting/member_variable_color");
108 	Color mark_color = EDITOR_GET("text_editor/highlighting/mark_color");
109 	Color bookmark_color = EDITOR_GET("text_editor/highlighting/bookmark_color");
110 	Color breakpoint_color = EDITOR_GET("text_editor/highlighting/breakpoint_color");
111 	Color executing_line_color = EDITOR_GET("text_editor/highlighting/executing_line_color");
112 	Color code_folding_color = EDITOR_GET("text_editor/highlighting/code_folding_color");
113 	Color search_result_color = EDITOR_GET("text_editor/highlighting/search_result_color");
114 	Color search_result_border_color = EDITOR_GET("text_editor/highlighting/search_result_border_color");
115 	Color symbol_color = EDITOR_GET("text_editor/highlighting/symbol_color");
116 	Color keyword_color = EDITOR_GET("text_editor/highlighting/keyword_color");
117 	Color comment_color = EDITOR_GET("text_editor/highlighting/comment_color");
118 
119 	get_text_edit()->add_color_override("background_color", background_color);
120 	get_text_edit()->add_color_override("completion_background_color", completion_background_color);
121 	get_text_edit()->add_color_override("completion_selected_color", completion_selected_color);
122 	get_text_edit()->add_color_override("completion_existing_color", completion_existing_color);
123 	get_text_edit()->add_color_override("completion_scroll_color", completion_scroll_color);
124 	get_text_edit()->add_color_override("completion_font_color", completion_font_color);
125 	get_text_edit()->add_color_override("font_color", text_color);
126 	get_text_edit()->add_color_override("line_number_color", line_number_color);
127 	get_text_edit()->add_color_override("caret_color", caret_color);
128 	get_text_edit()->add_color_override("caret_background_color", caret_background_color);
129 	get_text_edit()->add_color_override("font_color_selected", text_selected_color);
130 	get_text_edit()->add_color_override("selection_color", selection_color);
131 	get_text_edit()->add_color_override("brace_mismatch_color", brace_mismatch_color);
132 	get_text_edit()->add_color_override("current_line_color", current_line_color);
133 	get_text_edit()->add_color_override("line_length_guideline_color", line_length_guideline_color);
134 	get_text_edit()->add_color_override("word_highlighted_color", word_highlighted_color);
135 	get_text_edit()->add_color_override("number_color", number_color);
136 	get_text_edit()->add_color_override("function_color", function_color);
137 	get_text_edit()->add_color_override("member_variable_color", member_variable_color);
138 	get_text_edit()->add_color_override("mark_color", mark_color);
139 	get_text_edit()->add_color_override("bookmark_color", bookmark_color);
140 	get_text_edit()->add_color_override("breakpoint_color", breakpoint_color);
141 	get_text_edit()->add_color_override("executing_line_color", executing_line_color);
142 	get_text_edit()->add_color_override("code_folding_color", code_folding_color);
143 	get_text_edit()->add_color_override("search_result_color", search_result_color);
144 	get_text_edit()->add_color_override("search_result_border_color", search_result_border_color);
145 	get_text_edit()->add_color_override("symbol_color", symbol_color);
146 
147 	List<String> keywords;
148 	ShaderLanguage::get_keyword_list(&keywords);
149 
150 	if (shader.is_valid()) {
151 
152 		for (const Map<StringName, ShaderLanguage::FunctionInfo>::Element *E = ShaderTypes::get_singleton()->get_functions(VisualServer::ShaderMode(shader->get_mode())).front(); E; E = E->next()) {
153 
154 			for (const Map<StringName, ShaderLanguage::BuiltInInfo>::Element *F = E->get().built_ins.front(); F; F = F->next()) {
155 				keywords.push_back(F->key());
156 			}
157 		}
158 
159 		for (int i = 0; i < ShaderTypes::get_singleton()->get_modes(VisualServer::ShaderMode(shader->get_mode())).size(); i++) {
160 
161 			keywords.push_back(ShaderTypes::get_singleton()->get_modes(VisualServer::ShaderMode(shader->get_mode()))[i]);
162 		}
163 	}
164 
165 	for (List<String>::Element *E = keywords.front(); E; E = E->next()) {
166 
167 		get_text_edit()->add_keyword_color(E->get(), keyword_color);
168 	}
169 
170 	//colorize comments
171 	get_text_edit()->add_color_region("/*", "*/", comment_color, false);
172 	get_text_edit()->add_color_region("//", "", comment_color, false);
173 }
174 
_check_shader_mode()175 void ShaderTextEditor::_check_shader_mode() {
176 
177 	String type = ShaderLanguage::get_shader_type(get_text_edit()->get_text());
178 
179 	Shader::Mode mode;
180 
181 	if (type == "canvas_item") {
182 		mode = Shader::MODE_CANVAS_ITEM;
183 	} else if (type == "particles") {
184 		mode = Shader::MODE_PARTICLES;
185 	} else {
186 		mode = Shader::MODE_SPATIAL;
187 	}
188 
189 	if (shader->get_mode() != mode) {
190 		shader->set_code(get_text_edit()->get_text());
191 		_load_theme_settings();
192 	}
193 }
194 
_code_complete_script(const String & p_code,List<ScriptCodeCompletionOption> * r_options)195 void ShaderTextEditor::_code_complete_script(const String &p_code, List<ScriptCodeCompletionOption> *r_options) {
196 
197 	_check_shader_mode();
198 
199 	ShaderLanguage sl;
200 	String calltip;
201 
202 	sl.complete(p_code, ShaderTypes::get_singleton()->get_functions(VisualServer::ShaderMode(shader->get_mode())), ShaderTypes::get_singleton()->get_modes(VisualServer::ShaderMode(shader->get_mode())), ShaderTypes::get_singleton()->get_types(), r_options, calltip);
203 
204 	get_text_edit()->set_code_hint(calltip);
205 }
206 
_validate_script()207 void ShaderTextEditor::_validate_script() {
208 
209 	_check_shader_mode();
210 
211 	String code = get_text_edit()->get_text();
212 	//List<StringName> params;
213 	//shader->get_param_list(&params);
214 
215 	ShaderLanguage sl;
216 
217 	Error err = sl.compile(code, ShaderTypes::get_singleton()->get_functions(VisualServer::ShaderMode(shader->get_mode())), ShaderTypes::get_singleton()->get_modes(VisualServer::ShaderMode(shader->get_mode())), ShaderTypes::get_singleton()->get_types());
218 
219 	if (err != OK) {
220 		String error_text = "error(" + itos(sl.get_error_line()) + "): " + sl.get_error_text();
221 		set_error(error_text);
222 		set_error_pos(sl.get_error_line() - 1, 0);
223 		for (int i = 0; i < get_text_edit()->get_line_count(); i++)
224 			get_text_edit()->set_line_as_marked(i, false);
225 		get_text_edit()->set_line_as_marked(sl.get_error_line() - 1, true);
226 
227 	} else {
228 		for (int i = 0; i < get_text_edit()->get_line_count(); i++)
229 			get_text_edit()->set_line_as_marked(i, false);
230 		set_error("");
231 	}
232 
233 	emit_signal("script_changed");
234 }
235 
_bind_methods()236 void ShaderTextEditor::_bind_methods() {
237 }
238 
ShaderTextEditor()239 ShaderTextEditor::ShaderTextEditor() {
240 }
241 
242 /*** SCRIPT EDITOR ******/
243 
_menu_option(int p_option)244 void ShaderEditor::_menu_option(int p_option) {
245 
246 	switch (p_option) {
247 		case EDIT_UNDO: {
248 			shader_editor->get_text_edit()->undo();
249 		} break;
250 		case EDIT_REDO: {
251 			shader_editor->get_text_edit()->redo();
252 		} break;
253 		case EDIT_CUT: {
254 			shader_editor->get_text_edit()->cut();
255 		} break;
256 		case EDIT_COPY: {
257 			shader_editor->get_text_edit()->copy();
258 		} break;
259 		case EDIT_PASTE: {
260 			shader_editor->get_text_edit()->paste();
261 		} break;
262 		case EDIT_SELECT_ALL: {
263 			shader_editor->get_text_edit()->select_all();
264 		} break;
265 		case EDIT_MOVE_LINE_UP: {
266 			shader_editor->move_lines_up();
267 		} break;
268 		case EDIT_MOVE_LINE_DOWN: {
269 			shader_editor->move_lines_down();
270 		} break;
271 		case EDIT_INDENT_LEFT: {
272 
273 			if (shader.is_null())
274 				return;
275 
276 			TextEdit *tx = shader_editor->get_text_edit();
277 			tx->indent_left();
278 
279 		} break;
280 		case EDIT_INDENT_RIGHT: {
281 
282 			if (shader.is_null())
283 				return;
284 
285 			TextEdit *tx = shader_editor->get_text_edit();
286 			tx->indent_right();
287 
288 		} break;
289 		case EDIT_DELETE_LINE: {
290 			shader_editor->delete_lines();
291 		} break;
292 		case EDIT_CLONE_DOWN: {
293 			shader_editor->clone_lines_down();
294 		} break;
295 		case EDIT_TOGGLE_COMMENT: {
296 
297 			if (shader.is_null())
298 				return;
299 
300 			shader_editor->toggle_inline_comment("//");
301 
302 		} break;
303 		case EDIT_COMPLETE: {
304 
305 			shader_editor->get_text_edit()->query_code_comple();
306 		} break;
307 		case SEARCH_FIND: {
308 
309 			shader_editor->get_find_replace_bar()->popup_search();
310 		} break;
311 		case SEARCH_FIND_NEXT: {
312 
313 			shader_editor->get_find_replace_bar()->search_next();
314 		} break;
315 		case SEARCH_FIND_PREV: {
316 
317 			shader_editor->get_find_replace_bar()->search_prev();
318 		} break;
319 		case SEARCH_REPLACE: {
320 
321 			shader_editor->get_find_replace_bar()->popup_replace();
322 		} break;
323 		case SEARCH_GOTO_LINE: {
324 
325 			goto_line_dialog->popup_find_line(shader_editor->get_text_edit());
326 		} break;
327 		case BOOKMARK_TOGGLE: {
328 
329 			shader_editor->toggle_bookmark();
330 		} break;
331 		case BOOKMARK_GOTO_NEXT: {
332 
333 			shader_editor->goto_next_bookmark();
334 		} break;
335 		case BOOKMARK_GOTO_PREV: {
336 
337 			shader_editor->goto_prev_bookmark();
338 		} break;
339 		case BOOKMARK_REMOVE_ALL: {
340 
341 			shader_editor->remove_all_bookmarks();
342 		} break;
343 		case HELP_DOCS: {
344 			OS::get_singleton()->shell_open("https://docs.godotengine.org/en/stable/tutorials/shading/shading_reference/index.html");
345 		} break;
346 	}
347 	if (p_option != SEARCH_FIND && p_option != SEARCH_REPLACE && p_option != SEARCH_GOTO_LINE) {
348 		shader_editor->get_text_edit()->call_deferred("grab_focus");
349 	}
350 }
351 
_notification(int p_what)352 void ShaderEditor::_notification(int p_what) {
353 
354 	if (p_what == MainLoop::NOTIFICATION_WM_FOCUS_IN) {
355 		_check_for_external_edit();
356 	}
357 }
358 
_params_changed()359 void ShaderEditor::_params_changed() {
360 
361 	shader_editor->_validate_script();
362 }
363 
_editor_settings_changed()364 void ShaderEditor::_editor_settings_changed() {
365 
366 	shader_editor->get_text_edit()->set_auto_brace_completion(EditorSettings::get_singleton()->get("text_editor/completion/auto_brace_complete"));
367 	shader_editor->get_text_edit()->set_scroll_pass_end_of_file(EditorSettings::get_singleton()->get("text_editor/cursor/scroll_past_end_of_file"));
368 	shader_editor->get_text_edit()->set_indent_size(EditorSettings::get_singleton()->get("text_editor/indent/size"));
369 	shader_editor->get_text_edit()->set_indent_using_spaces(EditorSettings::get_singleton()->get("text_editor/indent/type"));
370 	shader_editor->get_text_edit()->set_auto_indent(EditorSettings::get_singleton()->get("text_editor/indent/auto_indent"));
371 	shader_editor->get_text_edit()->set_draw_tabs(EditorSettings::get_singleton()->get("text_editor/indent/draw_tabs"));
372 	shader_editor->get_text_edit()->set_draw_spaces(EditorSettings::get_singleton()->get("text_editor/indent/draw_spaces"));
373 	shader_editor->get_text_edit()->set_show_line_numbers(EditorSettings::get_singleton()->get("text_editor/appearance/show_line_numbers"));
374 	shader_editor->get_text_edit()->set_syntax_coloring(EditorSettings::get_singleton()->get("text_editor/highlighting/syntax_highlighting"));
375 	shader_editor->get_text_edit()->set_highlight_all_occurrences(EditorSettings::get_singleton()->get("text_editor/highlighting/highlight_all_occurrences"));
376 	shader_editor->get_text_edit()->set_highlight_current_line(EditorSettings::get_singleton()->get("text_editor/highlighting/highlight_current_line"));
377 	shader_editor->get_text_edit()->cursor_set_blink_enabled(EditorSettings::get_singleton()->get("text_editor/cursor/caret_blink"));
378 	shader_editor->get_text_edit()->cursor_set_blink_speed(EditorSettings::get_singleton()->get("text_editor/cursor/caret_blink_speed"));
379 	shader_editor->get_text_edit()->add_constant_override("line_spacing", EditorSettings::get_singleton()->get("text_editor/theme/line_spacing"));
380 	shader_editor->get_text_edit()->cursor_set_block_mode(EditorSettings::get_singleton()->get("text_editor/cursor/block_caret"));
381 	shader_editor->get_text_edit()->set_smooth_scroll_enabled(EditorSettings::get_singleton()->get("text_editor/navigation/smooth_scrolling"));
382 	shader_editor->get_text_edit()->set_v_scroll_speed(EditorSettings::get_singleton()->get("text_editor/navigation/v_scroll_speed"));
383 	shader_editor->get_text_edit()->set_draw_minimap(EditorSettings::get_singleton()->get("text_editor/navigation/show_minimap"));
384 	shader_editor->get_text_edit()->set_minimap_width((int)EditorSettings::get_singleton()->get("text_editor/navigation/minimap_width") * EDSCALE);
385 	shader_editor->get_text_edit()->set_show_line_length_guideline(EditorSettings::get_singleton()->get("text_editor/appearance/show_line_length_guideline"));
386 	shader_editor->get_text_edit()->set_line_length_guideline_column(EditorSettings::get_singleton()->get("text_editor/appearance/line_length_guideline_column"));
387 	shader_editor->get_text_edit()->set_breakpoint_gutter_enabled(false);
388 }
389 
_bind_methods()390 void ShaderEditor::_bind_methods() {
391 
392 	ClassDB::bind_method("_reload_shader_from_disk", &ShaderEditor::_reload_shader_from_disk);
393 	ClassDB::bind_method("_editor_settings_changed", &ShaderEditor::_editor_settings_changed);
394 	ClassDB::bind_method("_text_edit_gui_input", &ShaderEditor::_text_edit_gui_input);
395 
396 	ClassDB::bind_method("_update_bookmark_list", &ShaderEditor::_update_bookmark_list);
397 	ClassDB::bind_method("_bookmark_item_pressed", &ShaderEditor::_bookmark_item_pressed);
398 
399 	ClassDB::bind_method("_menu_option", &ShaderEditor::_menu_option);
400 	ClassDB::bind_method("_params_changed", &ShaderEditor::_params_changed);
401 	ClassDB::bind_method("apply_shaders", &ShaderEditor::apply_shaders);
402 	ClassDB::bind_method("save_external_data", &ShaderEditor::save_external_data);
403 }
404 
ensure_select_current()405 void ShaderEditor::ensure_select_current() {
406 
407 	/*
408 	if (tab_container->get_child_count() && tab_container->get_current_tab()>=0) {
409 
410 		ShaderTextEditor *ste = Object::cast_to<ShaderTextEditor>(tab_container->get_child(tab_container->get_current_tab()));
411 		if (!ste)
412 			return;
413 		Ref<Shader> shader = ste->get_edited_shader();
414 		get_scene()->get_root_node()->call("_resource_selected",shader);
415 	}*/
416 }
417 
goto_line_selection(int p_line,int p_begin,int p_end)418 void ShaderEditor::goto_line_selection(int p_line, int p_begin, int p_end) {
419 
420 	shader_editor->goto_line_selection(p_line, p_begin, p_end);
421 }
422 
_check_for_external_edit()423 void ShaderEditor::_check_for_external_edit() {
424 
425 	if (shader.is_null() || !shader.is_valid()) {
426 		return;
427 	}
428 
429 	// internal shader.
430 	if (shader->get_path() == "" || shader->get_path().find("local://") != -1 || shader->get_path().find("::") != -1) {
431 		return;
432 	}
433 
434 	bool use_autoreload = bool(EDITOR_DEF("text_editor/files/auto_reload_scripts_on_external_change", false));
435 	if (shader->get_last_modified_time() != FileAccess::get_modified_time(shader->get_path())) {
436 		if (use_autoreload) {
437 			_reload_shader_from_disk();
438 		} else {
439 			disk_changed->call_deferred("popup_centered");
440 		}
441 	}
442 }
443 
_reload_shader_from_disk()444 void ShaderEditor::_reload_shader_from_disk() {
445 
446 	Ref<Shader> rel_shader = ResourceLoader::load(shader->get_path(), shader->get_class(), true);
447 	ERR_FAIL_COND(!rel_shader.is_valid());
448 
449 	shader->set_code(rel_shader->get_code());
450 	shader->set_last_modified_time(rel_shader->get_last_modified_time());
451 	shader_editor->reload_text();
452 }
453 
edit(const Ref<Shader> & p_shader)454 void ShaderEditor::edit(const Ref<Shader> &p_shader) {
455 
456 	if (p_shader.is_null() || !p_shader->is_text_shader())
457 		return;
458 
459 	if (shader == p_shader)
460 		return;
461 
462 	shader = p_shader;
463 
464 	shader_editor->set_edited_shader(p_shader);
465 
466 	//vertex_editor->set_edited_shader(shader,ShaderLanguage::SHADER_MATERIAL_VERTEX);
467 	// see if already has it
468 }
469 
save_external_data(const String & p_str)470 void ShaderEditor::save_external_data(const String &p_str) {
471 
472 	if (shader.is_null()) {
473 		disk_changed->hide();
474 		return;
475 	}
476 
477 	apply_shaders();
478 	if (shader->get_path() != "" && shader->get_path().find("local://") == -1 && shader->get_path().find("::") == -1) {
479 		//external shader, save it
480 		ResourceSaver::save(shader->get_path(), shader);
481 	}
482 
483 	disk_changed->hide();
484 }
485 
apply_shaders()486 void ShaderEditor::apply_shaders() {
487 
488 	if (shader.is_valid()) {
489 		String shader_code = shader->get_code();
490 		String editor_code = shader_editor->get_text_edit()->get_text();
491 		if (shader_code != editor_code) {
492 			shader->set_code(editor_code);
493 			shader->set_edited(true);
494 		}
495 	}
496 }
497 
_text_edit_gui_input(const Ref<InputEvent> & ev)498 void ShaderEditor::_text_edit_gui_input(const Ref<InputEvent> &ev) {
499 
500 	Ref<InputEventMouseButton> mb = ev;
501 
502 	if (mb.is_valid()) {
503 
504 		if (mb->get_button_index() == BUTTON_RIGHT && mb->is_pressed()) {
505 
506 			int col, row;
507 			TextEdit *tx = shader_editor->get_text_edit();
508 			tx->_get_mouse_pos(mb->get_global_position() - tx->get_global_position(), row, col);
509 			tx->set_right_click_moves_caret(EditorSettings::get_singleton()->get("text_editor/cursor/right_click_moves_caret"));
510 
511 			if (tx->is_right_click_moving_caret()) {
512 				if (tx->is_selection_active()) {
513 
514 					int from_line = tx->get_selection_from_line();
515 					int to_line = tx->get_selection_to_line();
516 					int from_column = tx->get_selection_from_column();
517 					int to_column = tx->get_selection_to_column();
518 
519 					if (row < from_line || row > to_line || (row == from_line && col < from_column) || (row == to_line && col > to_column)) {
520 						// Right click is outside the selected text
521 						tx->deselect();
522 					}
523 				}
524 				if (!tx->is_selection_active()) {
525 					tx->cursor_set_line(row, true, false);
526 					tx->cursor_set_column(col);
527 				}
528 			}
529 			_make_context_menu(tx->is_selection_active(), get_local_mouse_position());
530 		}
531 	}
532 
533 	Ref<InputEventKey> k = ev;
534 	if (k.is_valid() && k->is_pressed() && k->get_scancode() == KEY_MENU) {
535 		TextEdit *tx = shader_editor->get_text_edit();
536 		_make_context_menu(tx->is_selection_active(), (get_global_transform().inverse() * tx->get_global_transform()).xform(tx->_get_cursor_pixel_pos()));
537 		context_menu->grab_focus();
538 	}
539 }
540 
_update_bookmark_list()541 void ShaderEditor::_update_bookmark_list() {
542 
543 	bookmarks_menu->clear();
544 
545 	bookmarks_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_bookmark"), BOOKMARK_TOGGLE);
546 	bookmarks_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/remove_all_bookmarks"), BOOKMARK_REMOVE_ALL);
547 	bookmarks_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_next_bookmark"), BOOKMARK_GOTO_NEXT);
548 	bookmarks_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_previous_bookmark"), BOOKMARK_GOTO_PREV);
549 
550 	Array bookmark_list = shader_editor->get_text_edit()->get_bookmarks_array();
551 	if (bookmark_list.size() == 0) {
552 		return;
553 	}
554 
555 	bookmarks_menu->add_separator();
556 
557 	for (int i = 0; i < bookmark_list.size(); i++) {
558 		String line = shader_editor->get_text_edit()->get_line(bookmark_list[i]).strip_edges();
559 		// Limit the size of the line if too big.
560 		if (line.length() > 50) {
561 			line = line.substr(0, 50);
562 		}
563 
564 		bookmarks_menu->add_item(String::num((int)bookmark_list[i] + 1) + " - \"" + line + "\"");
565 		bookmarks_menu->set_item_metadata(bookmarks_menu->get_item_count() - 1, bookmark_list[i]);
566 	}
567 }
568 
_bookmark_item_pressed(int p_idx)569 void ShaderEditor::_bookmark_item_pressed(int p_idx) {
570 
571 	if (p_idx < 4) { // Any item before the separator.
572 		_menu_option(bookmarks_menu->get_item_id(p_idx));
573 	} else {
574 		shader_editor->goto_line(bookmarks_menu->get_item_metadata(p_idx));
575 	}
576 }
577 
_make_context_menu(bool p_selection,Vector2 p_position)578 void ShaderEditor::_make_context_menu(bool p_selection, Vector2 p_position) {
579 
580 	context_menu->clear();
581 	if (p_selection) {
582 		context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/cut"), EDIT_CUT);
583 		context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/copy"), EDIT_COPY);
584 	}
585 
586 	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/paste"), EDIT_PASTE);
587 	context_menu->add_separator();
588 	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/select_all"), EDIT_SELECT_ALL);
589 	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/undo"), EDIT_UNDO);
590 	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/redo"), EDIT_REDO);
591 
592 	context_menu->add_separator();
593 	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/indent_left"), EDIT_INDENT_LEFT);
594 	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/indent_right"), EDIT_INDENT_RIGHT);
595 	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_comment"), EDIT_TOGGLE_COMMENT);
596 	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_bookmark"), BOOKMARK_TOGGLE);
597 
598 	context_menu->set_position(get_global_transform().xform(p_position));
599 	context_menu->set_size(Vector2(1, 1));
600 	context_menu->popup();
601 }
602 
ShaderEditor(EditorNode * p_node)603 ShaderEditor::ShaderEditor(EditorNode *p_node) {
604 
605 	shader_editor = memnew(ShaderTextEditor);
606 	shader_editor->set_v_size_flags(SIZE_EXPAND_FILL);
607 	shader_editor->add_constant_override("separation", 0);
608 	shader_editor->set_anchors_and_margins_preset(Control::PRESET_WIDE);
609 
610 	shader_editor->connect("script_changed", this, "apply_shaders");
611 	EditorSettings::get_singleton()->connect("settings_changed", this, "_editor_settings_changed");
612 
613 	shader_editor->get_text_edit()->set_callhint_settings(
614 			EditorSettings::get_singleton()->get("text_editor/completion/put_callhint_tooltip_below_current_line"),
615 			EditorSettings::get_singleton()->get("text_editor/completion/callhint_tooltip_offset"));
616 
617 	shader_editor->get_text_edit()->set_select_identifiers_on_hover(true);
618 	shader_editor->get_text_edit()->set_context_menu_enabled(false);
619 	shader_editor->get_text_edit()->connect("gui_input", this, "_text_edit_gui_input");
620 
621 	shader_editor->update_editor_settings();
622 
623 	context_menu = memnew(PopupMenu);
624 	add_child(context_menu);
625 	context_menu->connect("id_pressed", this, "_menu_option");
626 	context_menu->set_hide_on_window_lose_focus(true);
627 
628 	VBoxContainer *main_container = memnew(VBoxContainer);
629 	HBoxContainer *hbc = memnew(HBoxContainer);
630 
631 	edit_menu = memnew(MenuButton);
632 	edit_menu->set_text(TTR("Edit"));
633 	edit_menu->set_switch_on_hover(true);
634 	edit_menu->get_popup()->set_hide_on_window_lose_focus(true);
635 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/undo"), EDIT_UNDO);
636 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/redo"), EDIT_REDO);
637 	edit_menu->get_popup()->add_separator();
638 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/cut"), EDIT_CUT);
639 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/copy"), EDIT_COPY);
640 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/paste"), EDIT_PASTE);
641 	edit_menu->get_popup()->add_separator();
642 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/select_all"), EDIT_SELECT_ALL);
643 	edit_menu->get_popup()->add_separator();
644 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/move_up"), EDIT_MOVE_LINE_UP);
645 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/move_down"), EDIT_MOVE_LINE_DOWN);
646 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/indent_left"), EDIT_INDENT_LEFT);
647 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/indent_right"), EDIT_INDENT_RIGHT);
648 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/delete_line"), EDIT_DELETE_LINE);
649 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_comment"), EDIT_TOGGLE_COMMENT);
650 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/clone_down"), EDIT_CLONE_DOWN);
651 	edit_menu->get_popup()->add_separator();
652 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/complete_symbol"), EDIT_COMPLETE);
653 	edit_menu->get_popup()->connect("id_pressed", this, "_menu_option");
654 
655 	search_menu = memnew(MenuButton);
656 	search_menu->set_text(TTR("Search"));
657 	search_menu->set_switch_on_hover(true);
658 	search_menu->get_popup()->set_hide_on_window_lose_focus(true);
659 	search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/find"), SEARCH_FIND);
660 	search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/find_next"), SEARCH_FIND_NEXT);
661 	search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/find_previous"), SEARCH_FIND_PREV);
662 	search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/replace"), SEARCH_REPLACE);
663 	search_menu->get_popup()->connect("id_pressed", this, "_menu_option");
664 
665 	MenuButton *goto_menu = memnew(MenuButton);
666 	goto_menu->set_text(TTR("Go To"));
667 	goto_menu->set_switch_on_hover(true);
668 	goto_menu->get_popup()->connect("id_pressed", this, "_menu_option");
669 
670 	goto_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_line"), SEARCH_GOTO_LINE);
671 	goto_menu->get_popup()->add_separator();
672 
673 	bookmarks_menu = memnew(PopupMenu);
674 	bookmarks_menu->set_name("Bookmarks");
675 	goto_menu->get_popup()->add_child(bookmarks_menu);
676 	goto_menu->get_popup()->add_submenu_item(TTR("Bookmarks"), "Bookmarks");
677 	_update_bookmark_list();
678 	bookmarks_menu->connect("about_to_show", this, "_update_bookmark_list");
679 	bookmarks_menu->connect("index_pressed", this, "_bookmark_item_pressed");
680 
681 	help_menu = memnew(MenuButton);
682 	help_menu->set_text(TTR("Help"));
683 	help_menu->set_switch_on_hover(true);
684 	help_menu->get_popup()->add_icon_item(p_node->get_gui_base()->get_icon("Instance", "EditorIcons"), TTR("Online Docs"), HELP_DOCS);
685 	help_menu->get_popup()->connect("id_pressed", this, "_menu_option");
686 
687 	add_child(main_container);
688 	main_container->add_child(hbc);
689 	hbc->add_child(search_menu);
690 	hbc->add_child(edit_menu);
691 	hbc->add_child(goto_menu);
692 	hbc->add_child(help_menu);
693 	hbc->add_style_override("panel", p_node->get_gui_base()->get_stylebox("ScriptEditorPanel", "EditorStyles"));
694 	main_container->add_child(shader_editor);
695 
696 	goto_line_dialog = memnew(GotoLineDialog);
697 	add_child(goto_line_dialog);
698 
699 	disk_changed = memnew(ConfirmationDialog);
700 
701 	VBoxContainer *vbc = memnew(VBoxContainer);
702 	disk_changed->add_child(vbc);
703 
704 	Label *dl = memnew(Label);
705 	dl->set_text(TTR("This shader has been modified on on disk.\nWhat action should be taken?"));
706 	vbc->add_child(dl);
707 
708 	disk_changed->connect("confirmed", this, "_reload_shader_from_disk");
709 	disk_changed->get_ok()->set_text(TTR("Reload"));
710 
711 	disk_changed->add_button(TTR("Resave"), !OS::get_singleton()->get_swap_ok_cancel(), "resave");
712 	disk_changed->connect("custom_action", this, "save_external_data");
713 
714 	add_child(disk_changed);
715 
716 	_editor_settings_changed();
717 }
718 
edit(Object * p_object)719 void ShaderEditorPlugin::edit(Object *p_object) {
720 
721 	Shader *s = Object::cast_to<Shader>(p_object);
722 	shader_editor->edit(s);
723 }
724 
handles(Object * p_object) const725 bool ShaderEditorPlugin::handles(Object *p_object) const {
726 
727 	Shader *shader = Object::cast_to<Shader>(p_object);
728 	return shader != NULL && shader->is_text_shader();
729 }
730 
make_visible(bool p_visible)731 void ShaderEditorPlugin::make_visible(bool p_visible) {
732 
733 	if (p_visible) {
734 		button->show();
735 		editor->make_bottom_panel_item_visible(shader_editor);
736 
737 	} else {
738 
739 		button->hide();
740 		if (shader_editor->is_visible_in_tree())
741 			editor->hide_bottom_panel();
742 		shader_editor->apply_shaders();
743 	}
744 }
745 
selected_notify()746 void ShaderEditorPlugin::selected_notify() {
747 
748 	shader_editor->ensure_select_current();
749 }
750 
save_external_data()751 void ShaderEditorPlugin::save_external_data() {
752 
753 	shader_editor->save_external_data();
754 }
755 
apply_changes()756 void ShaderEditorPlugin::apply_changes() {
757 
758 	shader_editor->apply_shaders();
759 }
760 
ShaderEditorPlugin(EditorNode * p_node)761 ShaderEditorPlugin::ShaderEditorPlugin(EditorNode *p_node) {
762 
763 	editor = p_node;
764 	shader_editor = memnew(ShaderEditor(p_node));
765 
766 	shader_editor->set_custom_minimum_size(Size2(0, 300) * EDSCALE);
767 	button = editor->add_bottom_panel_item(TTR("Shader"), shader_editor);
768 	button->hide();
769 }
770 
~ShaderEditorPlugin()771 ShaderEditorPlugin::~ShaderEditorPlugin() {
772 }
773