diff options
Diffstat (limited to 'scene/gui/code_edit.cpp')
-rw-r--r-- | scene/gui/code_edit.cpp | 1432 |
1 files changed, 1413 insertions, 19 deletions
diff --git a/scene/gui/code_edit.cpp b/scene/gui/code_edit.cpp index 28a0ea0100..d5000e88d7 100644 --- a/scene/gui/code_edit.cpp +++ b/scene/gui/code_edit.cpp @@ -30,6 +30,18 @@ #include "code_edit.h" +#include "core/os/keyboard.h" +#include "core/string/string_builder.h" +#include "core/string/ustring.h" + +static bool _is_whitespace(char32_t c) { + return c == '\t' || c == ' '; +} + +static bool _is_char(char32_t c) { + return !is_symbol(c); +} + void CodeEdit::_notification(int p_what) { switch (p_what) { case NOTIFICATION_THEME_CHANGED: @@ -52,12 +64,325 @@ void CodeEdit::_notification(int p_what) { folding_color = get_theme_color("code_folding_color"); can_fold_icon = get_theme_icon("can_fold"); folded_icon = get_theme_icon("folded"); + + code_completion_max_width = get_theme_constant("completion_max_width") * cache.font->get_char_size('x').x; + code_completion_max_lines = get_theme_constant("completion_lines"); + code_completion_scroll_width = get_theme_constant("completion_scroll_width"); + code_completion_scroll_color = get_theme_color("completion_scroll_color"); + code_completion_background_color = get_theme_color("completion_background_color"); + code_completion_selected_color = get_theme_color("completion_selected_color"); + code_completion_existing_color = get_theme_color("completion_existing_color"); } break; case NOTIFICATION_DRAW: { + RID ci = get_canvas_item(); + const bool caret_visible = is_caret_visible(); + const bool rtl = is_layout_rtl(); + const int row_height = get_row_height(); + + bool code_completion_below = false; + if (caret_visible && code_completion_active && code_completion_options.size() > 0) { + Ref<StyleBox> csb = get_theme_stylebox("completion"); + + const int code_completion_options_count = code_completion_options.size(); + const int lines = MIN(code_completion_options_count, code_completion_max_lines); + const int icon_hsep = get_theme_constant("hseparation", "ItemList"); + const Size2 icon_area_size(row_height, row_height); + + code_completion_rect.size.width = code_completion_longest_line + icon_hsep + icon_area_size.width + 2; + code_completion_rect.size.height = lines * row_height; + + const Point2 caret_pos = get_caret_draw_pos(); + const int total_height = csb->get_minimum_size().y + code_completion_rect.size.height; + if (caret_pos.y + row_height + total_height > get_size().height) { + code_completion_rect.position.y = (caret_pos.y - total_height - row_height) + cache.line_spacing; + } else { + code_completion_rect.position.y = caret_pos.y + (cache.line_spacing / 2.0f); + code_completion_below = true; + } + + const int scroll_width = code_completion_options_count > code_completion_max_lines ? code_completion_scroll_width : 0; + const int code_completion_base_width = cache.font->get_string_size(code_completion_base).width; + if (caret_pos.x - code_completion_base_width + code_completion_rect.size.width + scroll_width > get_size().width) { + code_completion_rect.position.x = get_size().width - code_completion_rect.size.width - scroll_width; + } else { + code_completion_rect.position.x = caret_pos.x - code_completion_base_width; + } + + draw_style_box(csb, Rect2(code_completion_rect.position - csb->get_offset(), code_completion_rect.size + csb->get_minimum_size() + Size2(scroll_width, 0))); + if (code_completion_background_color.a > 0.01) { + RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(code_completion_rect.position, code_completion_rect.size + Size2(scroll_width, 0)), code_completion_background_color); + } + + code_completion_line_ofs = CLAMP(code_completion_current_selected - lines / 2, 0, code_completion_options_count - lines); + RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(code_completion_rect.position.x, code_completion_rect.position.y + (code_completion_current_selected - code_completion_line_ofs) * row_height), Size2(code_completion_rect.size.width, row_height)), code_completion_selected_color); + draw_rect(Rect2(code_completion_rect.position + Vector2(icon_area_size.x + icon_hsep, 0), Size2(MIN(code_completion_base_width, code_completion_rect.size.width - (icon_area_size.x + icon_hsep)), code_completion_rect.size.height)), code_completion_existing_color); + + for (int i = 0; i < lines; i++) { + int l = code_completion_line_ofs + i; + ERR_CONTINUE(l < 0 || l >= code_completion_options_count); + + Ref<TextLine> tl; + tl.instance(); + tl->add_string(code_completion_options[l].display, cache.font, cache.font_size); + + int yofs = (row_height - tl->get_size().y) / 2; + Point2 title_pos(code_completion_rect.position.x, code_completion_rect.position.y + i * row_height + yofs); + + /* Draw completion icon if it is valid. */ + const Ref<Texture2D> &icon = code_completion_options[l].icon; + Rect2 icon_area(code_completion_rect.position.x, code_completion_rect.position.y + i * row_height, icon_area_size.width, icon_area_size.height); + if (icon.is_valid()) { + Size2 icon_size = icon_area.size * 0.7; + icon->draw_rect(ci, Rect2(icon_area.position + (icon_area.size - icon_size) / 2, icon_size)); + } + title_pos.x = icon_area.position.x + icon_area.size.width + icon_hsep; + + tl->set_width(code_completion_rect.size.width - (icon_area_size.x + icon_hsep)); + if (rtl) { + if (code_completion_options[l].default_value.get_type() == Variant::COLOR) { + draw_rect(Rect2(Point2(code_completion_rect.position.x, icon_area.position.y), icon_area_size), (Color)code_completion_options[l].default_value); + } + tl->set_align(HALIGN_RIGHT); + } else { + if (code_completion_options[l].default_value.get_type() == Variant::COLOR) { + draw_rect(Rect2(Point2(code_completion_rect.position.x + code_completion_rect.size.width - icon_area_size.x, icon_area.position.y), icon_area_size), (Color)code_completion_options[l].default_value); + } + tl->set_align(HALIGN_LEFT); + } + tl->draw(ci, title_pos, code_completion_options[l].font_color); + } + + /* Draw a small scroll rectangle to show a position in the options. */ + if (scroll_width) { + float r = (float)code_completion_max_lines / code_completion_options_count; + float o = (float)code_completion_line_ofs / code_completion_options_count; + draw_rect(Rect2(code_completion_rect.position.x + code_completion_rect.size.width, code_completion_rect.position.y + o * code_completion_rect.size.y, scroll_width, code_completion_rect.size.y * r), code_completion_scroll_color); + } + } + + /* Code hint */ + if (caret_visible && code_hint != "" && (!code_completion_active || (code_completion_below != code_hint_draw_below))) { + const Ref<Font> font = cache.font; + const int font_height = font->get_height(cache.font_size); + Ref<StyleBox> sb = get_theme_stylebox("panel", "TooltipPanel"); + Color font_color = get_theme_color("font_color", "TooltipLabel"); + + Vector<String> code_hint_lines = code_hint.split("\n"); + int line_count = code_hint_lines.size(); + + int max_width = 0; + for (int i = 0; i < line_count; i++) { + max_width = MAX(max_width, font->get_string_size(code_hint_lines[i], cache.font_size).x); + } + Size2 minsize = sb->get_minimum_size() + Size2(max_width, line_count * font_height + (cache.line_spacing * line_count - 1)); + + int offset = font->get_string_size(code_hint_lines[0].substr(0, code_hint_lines[0].find(String::chr(0xFFFF))), cache.font_size).x; + if (code_hint_xpos == -0xFFFF) { + code_hint_xpos = get_caret_draw_pos().x - offset; + } + Point2 hint_ofs = Vector2(code_hint_xpos, get_caret_draw_pos().y); + if (code_hint_draw_below) { + hint_ofs.y += cache.line_spacing / 2.0f; + } else { + hint_ofs.y -= (minsize.y + row_height) - cache.line_spacing; + } + + draw_style_box(sb, Rect2(hint_ofs, minsize)); + + int line_spacing = 0; + for (int i = 0; i < line_count; i++) { + const String &line = code_hint_lines[i]; + + int begin = 0; + int end = 0; + if (line.find(String::chr(0xFFFF)) != -1) { + begin = font->get_string_size(line.substr(0, line.find(String::chr(0xFFFF))), cache.font_size).x; + end = font->get_string_size(line.substr(0, line.rfind(String::chr(0xFFFF))), cache.font_size).x; + } + + Point2 round_ofs = hint_ofs + sb->get_offset() + Vector2(0, font->get_ascent() + font_height * i + line_spacing); + round_ofs = round_ofs.round(); + draw_string(font, round_ofs, line.replace(String::chr(0xFFFF), ""), HALIGN_LEFT, -1, cache.font_size, font_color); + if (end > 0) { + Vector2 b = hint_ofs + sb->get_offset() + Vector2(begin, font_height + font_height * i + line_spacing - 1); + draw_line(b, b + Vector2(end - begin, 0), font_color); + } + line_spacing += cache.line_spacing; + } + } } break; } } +void CodeEdit::_gui_input(const Ref<InputEvent> &p_gui_input) { + Ref<InputEventMouseButton> mb = p_gui_input; + + if (mb.is_valid()) { + if (code_completion_active && code_completion_rect.has_point(mb->get_position())) { + if (!mb->is_pressed()) { + return; + } + + switch (mb->get_button_index()) { + case MOUSE_BUTTON_WHEEL_UP: { + if (code_completion_current_selected > 0) { + code_completion_current_selected--; + update(); + } + } break; + case MOUSE_BUTTON_WHEEL_DOWN: { + if (code_completion_current_selected < code_completion_options.size() - 1) { + code_completion_current_selected++; + update(); + } + } break; + case MOUSE_BUTTON_LEFT: { + code_completion_current_selected = CLAMP(code_completion_line_ofs + (mb->get_position().y - code_completion_rect.position.y) / get_row_height(), 0, code_completion_options.size() - 1); + if (mb->is_double_click()) { + confirm_code_completion(); + } + update(); + } break; + } + return; + } + cancel_code_completion(); + set_code_hint(""); + } + + Ref<InputEventKey> k = p_gui_input; + bool update_code_completion = false; + if (!k.is_valid()) { + TextEdit::_gui_input(p_gui_input); + return; + } + + /* If a modifier has been pressed, and nothing else, return. */ + if (!k->is_pressed() || k->get_keycode() == KEY_CTRL || k->get_keycode() == KEY_ALT || k->get_keycode() == KEY_SHIFT || k->get_keycode() == KEY_META) { + return; + } + + /* Allow unicode handling if: */ + /* No Modifiers are pressed (except shift) */ + bool allow_unicode_handling = !(k->is_command_pressed() || k->is_ctrl_pressed() || k->is_alt_pressed() || k->is_meta_pressed()); + + /* AUTO-COMPLETE */ + if (code_completion_enabled && k->is_action("ui_text_completion_query", true)) { + request_code_completion(true); + accept_event(); + return; + } + + if (code_completion_active) { + if (k->is_action("ui_up", true)) { + if (code_completion_current_selected > 0) { + code_completion_current_selected--; + } else { + code_completion_current_selected = code_completion_options.size() - 1; + } + update(); + accept_event(); + return; + } + if (k->is_action("ui_down", true)) { + if (code_completion_current_selected < code_completion_options.size() - 1) { + code_completion_current_selected++; + } else { + code_completion_current_selected = 0; + } + update(); + accept_event(); + return; + } + if (k->is_action("ui_page_up", true)) { + code_completion_current_selected = MAX(0, code_completion_current_selected - code_completion_max_lines); + update(); + accept_event(); + return; + } + if (k->is_action("ui_page_down", true)) { + code_completion_current_selected = MIN(code_completion_options.size() - 1, code_completion_current_selected + code_completion_max_lines); + update(); + accept_event(); + return; + } + if (k->is_action("ui_home", true)) { + code_completion_current_selected = 0; + update(); + accept_event(); + return; + } + if (k->is_action("ui_end", true)) { + code_completion_current_selected = MIN(code_completion_options.size() - 1, code_completion_current_selected + code_completion_max_lines); + update(); + accept_event(); + return; + } + if (k->is_action("ui_text_completion_replace", true) || k->is_action("ui_text_completion_accept", true)) { + confirm_code_completion(k->is_action("ui_text_completion_replace", true)); + accept_event(); + return; + } + if (k->is_action("ui_cancel", true)) { + cancel_code_completion(); + accept_event(); + return; + } + if (k->is_action("ui_text_backspace", true)) { + backspace_at_cursor(); + _filter_code_completion_candidates(); + accept_event(); + return; + } + + if (k->is_action("ui_left", true) || k->is_action("ui_right", true)) { + update_code_completion = true; + } else { + update_code_completion = (allow_unicode_handling && k->get_unicode() >= 32); + } + + if (!update_code_completion) { + cancel_code_completion(); + } + } + + /* MISC */ + if (k->is_action("ui_cancel", true)) { + set_code_hint(""); + accept_event(); + return; + } + if (allow_unicode_handling && k->get_unicode() == ')') { + set_code_hint(""); + } + + /* Remove shift otherwise actions will not match. */ + k = k->duplicate(); + k->set_shift_pressed(false); + + if (k->is_action("ui_text_caret_up", true) || + k->is_action("ui_text_caret_down", true) || + k->is_action("ui_text_caret_line_start", true) || + k->is_action("ui_text_caret_line_end", true) || + k->is_action("ui_text_caret_page_up", true) || + k->is_action("ui_text_caret_page_down", true)) { + set_code_hint(""); + } + + TextEdit::_gui_input(p_gui_input); + + if (update_code_completion) { + _filter_code_completion_candidates(); + } +} + +Control::CursorShape CodeEdit::get_cursor_shape(const Point2 &p_pos) const { + if ((code_completion_active && code_completion_rect.has_point(p_pos)) || (is_readonly() && (!is_selecting_enabled() || get_line_count() == 0))) { + return CURSOR_ARROW; + } + return TextEdit::get_cursor_shape(p_pos); +} + /* Main Gutter */ void CodeEdit::_update_draw_main_gutter() { set_gutter_draw(main_gutter, draw_breakpoints || draw_bookmarks || draw_executing_lines); @@ -275,6 +600,455 @@ void CodeEdit::_fold_gutter_draw_callback(int p_line, int p_gutter, Rect2 p_regi folded_icon->draw_rect(get_canvas_item(), p_region, false, folding_color); } +/* Delimiters */ +// Strings +void CodeEdit::add_string_delimiter(const String &p_start_key, const String &p_end_key, bool p_line_only) { + _add_delimiter(p_start_key, p_end_key, p_line_only, TYPE_STRING); +} + +void CodeEdit::remove_string_delimiter(const String &p_start_key) { + _remove_delimiter(p_start_key, TYPE_STRING); +} + +bool CodeEdit::has_string_delimiter(const String &p_start_key) const { + return _has_delimiter(p_start_key, TYPE_STRING); +} + +void CodeEdit::set_string_delimiters(const TypedArray<String> &p_string_delimiters) { + _set_delimiters(p_string_delimiters, TYPE_STRING); +} + +void CodeEdit::clear_string_delimiters() { + _clear_delimiters(TYPE_STRING); +} + +TypedArray<String> CodeEdit::get_string_delimiters() const { + return _get_delimiters(TYPE_STRING); +} + +int CodeEdit::is_in_string(int p_line, int p_column) const { + return _is_in_delimiter(p_line, p_column, TYPE_STRING); +} + +// Comments +void CodeEdit::add_comment_delimiter(const String &p_start_key, const String &p_end_key, bool p_line_only) { + _add_delimiter(p_start_key, p_end_key, p_line_only, TYPE_COMMENT); +} + +void CodeEdit::remove_comment_delimiter(const String &p_start_key) { + _remove_delimiter(p_start_key, TYPE_COMMENT); +} + +bool CodeEdit::has_comment_delimiter(const String &p_start_key) const { + return _has_delimiter(p_start_key, TYPE_COMMENT); +} + +void CodeEdit::set_comment_delimiters(const TypedArray<String> &p_comment_delimiters) { + _set_delimiters(p_comment_delimiters, TYPE_COMMENT); +} + +void CodeEdit::clear_comment_delimiters() { + _clear_delimiters(TYPE_COMMENT); +} + +TypedArray<String> CodeEdit::get_comment_delimiters() const { + return _get_delimiters(TYPE_COMMENT); +} + +int CodeEdit::is_in_comment(int p_line, int p_column) const { + return _is_in_delimiter(p_line, p_column, TYPE_COMMENT); +} + +String CodeEdit::get_delimiter_start_key(int p_delimiter_idx) const { + ERR_FAIL_INDEX_V(p_delimiter_idx, delimiters.size(), ""); + return delimiters[p_delimiter_idx].start_key; +} + +String CodeEdit::get_delimiter_end_key(int p_delimiter_idx) const { + ERR_FAIL_INDEX_V(p_delimiter_idx, delimiters.size(), ""); + return delimiters[p_delimiter_idx].end_key; +} + +Point2 CodeEdit::get_delimiter_start_position(int p_line, int p_column) const { + if (delimiters.size() == 0) { + return Point2(-1, -1); + } + ERR_FAIL_INDEX_V(p_line, get_line_count(), Point2(-1, -1)); + ERR_FAIL_COND_V(p_column - 1 > get_line(p_line).size(), Point2(-1, -1)); + + Point2 start_position; + start_position.y = -1; + start_position.x = -1; + + bool in_region = ((p_line <= 0 || delimiter_cache[p_line - 1].size() < 1) ? -1 : delimiter_cache[p_line - 1].back()->value()) != -1; + + /* Check the keys for this line. */ + for (Map<int, int>::Element *E = delimiter_cache[p_line].front(); E; E = E->next()) { + if (E->key() > p_column) { + break; + } + in_region = E->value() != -1; + start_position.x = in_region ? E->key() : -1; + } + + /* Region was found on this line and is not a multiline continuation. */ + if (start_position.x != -1 && start_position.x != get_line(p_line).length() + 1) { + start_position.y = p_line; + return start_position; + } + + /* Not in a region */ + if (!in_region) { + return start_position; + } + + /* Region starts on a previous line */ + for (int i = p_line - 1; i >= 0; i--) { + if (delimiter_cache[i].size() < 1) { + continue; + } + start_position.y = i; + start_position.x = delimiter_cache[i].back()->key(); + + /* Make sure it's not a multiline continuation. */ + if (start_position.x != get_line(i).length() + 1) { + break; + } + } + return start_position; +} + +Point2 CodeEdit::get_delimiter_end_position(int p_line, int p_column) const { + if (delimiters.size() == 0) { + return Point2(-1, -1); + } + ERR_FAIL_INDEX_V(p_line, get_line_count(), Point2(-1, -1)); + ERR_FAIL_COND_V(p_column - 1 > get_line(p_line).size(), Point2(-1, -1)); + + Point2 end_position; + end_position.y = -1; + end_position.x = -1; + + int region = (p_line <= 0 || delimiter_cache[p_line - 1].size() < 1) ? -1 : delimiter_cache[p_line - 1].back()->value(); + + /* Check the keys for this line. */ + for (Map<int, int>::Element *E = delimiter_cache[p_line].front(); E; E = E->next()) { + end_position.x = (E->value() == -1) ? E->key() : -1; + if (E->key() > p_column) { + break; + } + region = E->value(); + } + + /* Region was found on this line and is not a multiline continuation. */ + if (region != -1 && end_position.x != -1 && (delimiters[region].line_only || end_position.x != get_line(p_line).length() + 1)) { + end_position.y = p_line; + return end_position; + } + + /* Not in a region */ + if (region == -1) { + end_position.x = -1; + return end_position; + } + + /* Region ends on a later line */ + for (int i = p_line + 1; i < get_line_count(); i++) { + if (delimiter_cache[i].size() < 1 || delimiter_cache[i].front()->value() != -1) { + continue; + } + end_position.x = delimiter_cache[i].front()->key(); + + /* Make sure it's not a multiline continuation. */ + if (get_line(i).length() > 0 && end_position.x != get_line(i).length() + 1) { + end_position.y = i; + break; + } + end_position.x = -1; + } + return end_position; +} + +/* Code hint */ +void CodeEdit::set_code_hint(const String &p_hint) { + code_hint = p_hint; + code_hint_xpos = -0xFFFF; + update(); +} + +void CodeEdit::set_code_hint_draw_below(bool p_below) { + code_hint_draw_below = p_below; + update(); +} + +/* Code Completion */ +void CodeEdit::set_code_completion_enabled(bool p_enable) { + code_completion_enabled = p_enable; +} + +bool CodeEdit::is_code_completion_enabled() const { + return code_completion_enabled; +} + +void CodeEdit::set_code_completion_prefixes(const TypedArray<String> &p_prefixes) { + code_completion_prefixes.clear(); + for (int i = 0; i < p_prefixes.size(); i++) { + code_completion_prefixes.insert(p_prefixes[i]); + } +} + +TypedArray<String> CodeEdit::get_code_completion_prefixes() const { + TypedArray<String> prefixes; + for (Set<String>::Element *E = code_completion_prefixes.front(); E; E = E->next()) { + prefixes.push_back(E->get()); + } + return prefixes; +} + +String CodeEdit::get_text_for_code_completion() const { + StringBuilder completion_text; + const int text_size = get_line_count(); + for (int i = 0; i < text_size; i++) { + String line = get_line(i); + + if (i == cursor_get_line()) { + completion_text += line.substr(0, cursor_get_column()); + /* Not unicode, represents the caret. */ + completion_text += String::chr(0xFFFF); + completion_text += line.substr(cursor_get_column(), line.size()); + } else { + completion_text += line; + } + + if (i != text_size - 1) { + completion_text += "\n"; + } + } + return completion_text.as_string(); +} + +void CodeEdit::request_code_completion(bool p_force) { + ScriptInstance *si = get_script_instance(); + if (si && si->has_method("_request_code_completion")) { + si->call("_request_code_completion", p_force); + return; + } + + /* Don't re-query if all existing options are quoted types, eg path, signal. */ + bool ignored = code_completion_active && !code_completion_options.is_empty(); + if (ignored) { + ScriptCodeCompletionOption::Kind kind = ScriptCodeCompletionOption::KIND_PLAIN_TEXT; + const ScriptCodeCompletionOption *previous_option = nullptr; + for (int i = 0; i < code_completion_options.size(); i++) { + const ScriptCodeCompletionOption ¤t_option = code_completion_options[i]; + if (!previous_option) { + previous_option = ¤t_option; + kind = current_option.kind; + } + if (previous_option->kind != current_option.kind) { + ignored = false; + break; + } + } + ignored = ignored && (kind == ScriptCodeCompletionOption::KIND_FILE_PATH || kind == ScriptCodeCompletionOption::KIND_NODE_PATH || kind == ScriptCodeCompletionOption::KIND_SIGNAL); + } + + if (ignored) { + return; + } + + if (p_force) { + emit_signal("request_code_completion"); + return; + } + + String line = get_line(cursor_get_line()); + int ofs = CLAMP(cursor_get_column(), 0, line.length()); + + if (ofs > 0 && (is_in_string(cursor_get_line(), ofs) != -1 || _is_char(line[ofs - 1]) || code_completion_prefixes.has(String::chr(line[ofs - 1])))) { + emit_signal("request_code_completion"); + } else if (ofs > 1 && line[ofs - 1] == ' ' && code_completion_prefixes.has(String::chr(line[ofs - 2]))) { + emit_signal("request_code_completion"); + } +} + +void CodeEdit::add_code_completion_option(CodeCompletionKind p_type, const String &p_display_text, const String &p_insert_text, const Color &p_text_color, const RES &p_icon, const Variant &p_value) { + ScriptCodeCompletionOption completion_option; + completion_option.kind = (ScriptCodeCompletionOption::Kind)p_type; + completion_option.display = p_display_text; + completion_option.insert_text = p_insert_text; + completion_option.font_color = p_text_color; + completion_option.icon = p_icon; + completion_option.default_value = p_value; + code_completion_option_submitted.push_back(completion_option); +} + +void CodeEdit::update_code_completion_options(bool p_forced) { + code_completion_forced = p_forced; + code_completion_option_sources = code_completion_option_submitted; + code_completion_option_submitted.clear(); + _filter_code_completion_candidates(); +} + +TypedArray<Dictionary> CodeEdit::get_code_completion_options() const { + if (!code_completion_active) { + return TypedArray<Dictionary>(); + } + + TypedArray<Dictionary> completion_options; + completion_options.resize(code_completion_options.size()); + for (int i = 0; i < code_completion_options.size(); i++) { + Dictionary option; + option["kind"] = code_completion_options[i].kind; + option["display_text"] = code_completion_options[i].display; + option["insert_text"] = code_completion_options[i].insert_text; + option["font_color"] = code_completion_options[i].font_color; + option["icon"] = code_completion_options[i].icon; + option["default_value"] = code_completion_options[i].default_value; + completion_options[i] = option; + } + return completion_options; +} + +Dictionary CodeEdit::get_code_completion_option(int p_index) const { + if (!code_completion_active) { + return Dictionary(); + } + ERR_FAIL_INDEX_V(p_index, code_completion_options.size(), Dictionary()); + + Dictionary option; + option["kind"] = code_completion_options[p_index].kind; + option["display_text"] = code_completion_options[p_index].display; + option["insert_text"] = code_completion_options[p_index].insert_text; + option["font_color"] = code_completion_options[p_index].font_color; + option["icon"] = code_completion_options[p_index].icon; + option["default_value"] = code_completion_options[p_index].default_value; + return option; +} + +int CodeEdit::get_code_completion_selected_index() const { + return (code_completion_active) ? code_completion_current_selected : -1; +} + +void CodeEdit::set_code_completion_selected_index(int p_index) { + if (!code_completion_active) { + return; + } + ERR_FAIL_INDEX(p_index, code_completion_options.size()); + code_completion_current_selected = p_index; + update(); +} + +void CodeEdit::confirm_code_completion(bool p_replace) { + if (is_readonly() || !code_completion_active) { + return; + } + + ScriptInstance *si = get_script_instance(); + if (si && si->has_method("_confirm_code_completion")) { + si->call("_confirm_code_completion", p_replace); + return; + } + begin_complex_operation(); + + int caret_line = cursor_get_line(); + + const String &insert_text = code_completion_options[code_completion_current_selected].insert_text; + const String &display_text = code_completion_options[code_completion_current_selected].display; + + if (p_replace) { + /* Find end of current section */ + const String line = get_line(caret_line); + int caret_col = cursor_get_column(); + int caret_remove_line = caret_line; + + bool merge_text = true; + int in_string = is_in_string(caret_line, caret_col); + if (in_string != -1) { + Point2 string_end = get_delimiter_end_position(caret_line, caret_col); + if (string_end.x != -1) { + merge_text = false; + caret_remove_line = string_end.y; + caret_col = string_end.x - 1; + } + } + + if (merge_text) { + for (; caret_col < line.length(); caret_col++) { + if (!_is_char(line[caret_col])) { + break; + } + } + } + + /* Replace. */ + _remove_text(caret_line, cursor_get_column() - code_completion_base.length(), caret_remove_line, caret_col); + cursor_set_column(cursor_get_column() - code_completion_base.length(), false); + insert_text_at_cursor(insert_text); + } else { + /* Get first non-matching char. */ + const String line = get_line(caret_line); + int caret_col = cursor_get_column(); + int matching_chars = code_completion_base.length(); + for (; matching_chars <= insert_text.length(); matching_chars++) { + if (caret_col >= line.length() || line[caret_col] != insert_text[matching_chars]) { + break; + } + caret_col++; + } + + /* Remove base completion text. */ + _remove_text(caret_line, cursor_get_column() - code_completion_base.length(), caret_line, cursor_get_column()); + cursor_set_column(cursor_get_column() - code_completion_base.length(), false); + + /* Merge with text. */ + insert_text_at_cursor(insert_text.substr(0, code_completion_base.length())); + cursor_set_column(caret_col, false); + insert_text_at_cursor(insert_text.substr(matching_chars)); + } + + /* TODO: merge with autobrace completion, when in CodeEdit. */ + /* Handle merging of symbols eg strings, brackets. */ + const String line = get_line(caret_line); + char32_t next_char = line[cursor_get_column()]; + char32_t last_completion_char = insert_text[insert_text.length() - 1]; + char32_t last_completion_char_display = display_text[display_text.length() - 1]; + + if ((last_completion_char == '"' || last_completion_char == '\'') && (last_completion_char == next_char || last_completion_char_display == next_char)) { + _remove_text(caret_line, cursor_get_column(), caret_line, cursor_get_column() + 1); + } + + if (last_completion_char == '(') { + if (next_char == last_completion_char) { + _remove_text(caret_line, cursor_get_column() - 1, caret_line, cursor_get_column()); + } else if (auto_brace_completion_enabled) { + insert_text_at_cursor(")"); + cursor_set_column(cursor_get_column() - 1); + } + } else if (last_completion_char == ')' && next_char == '(') { + _remove_text(caret_line, cursor_get_column() - 2, caret_line, cursor_get_column()); + if (line[cursor_get_column() + 1] != ')') { + cursor_set_column(cursor_get_column() - 1); + } + } + + end_complex_operation(); + + cancel_code_completion(); + if (last_completion_char == '(') { + request_code_completion(); + } +} + +void CodeEdit::cancel_code_completion() { + if (!code_completion_active) { + return; + } + code_completion_forced = false; + code_completion_active = false; + update(); +} + void CodeEdit::_bind_methods() { /* Main Gutter */ ClassDB::bind_method(D_METHOD("_main_gutter_draw_callback"), &CodeEdit::_main_gutter_draw_callback); @@ -320,6 +1094,76 @@ void CodeEdit::_bind_methods() { ClassDB::bind_method(D_METHOD("set_draw_fold_gutter", "enable"), &CodeEdit::set_draw_fold_gutter); ClassDB::bind_method(D_METHOD("is_drawing_fold_gutter"), &CodeEdit::is_drawing_fold_gutter); + /* Delimiters */ + // Strings + ClassDB::bind_method(D_METHOD("add_string_delimiter", "start_key", "end_key", "line_only"), &CodeEdit::add_string_delimiter, DEFVAL(false)); + ClassDB::bind_method(D_METHOD("remove_string_delimiter", "start_key"), &CodeEdit::remove_string_delimiter); + ClassDB::bind_method(D_METHOD("has_string_delimiter", "start_key"), &CodeEdit::has_string_delimiter); + + ClassDB::bind_method(D_METHOD("set_string_delimiters", "string_delimiters"), &CodeEdit::set_string_delimiters); + ClassDB::bind_method(D_METHOD("clear_string_delimiters"), &CodeEdit::clear_string_delimiters); + ClassDB::bind_method(D_METHOD("get_string_delimiters"), &CodeEdit::get_string_delimiters); + + ClassDB::bind_method(D_METHOD("is_in_string", "line", "column"), &CodeEdit::is_in_string, DEFVAL(-1)); + + // Comments + ClassDB::bind_method(D_METHOD("add_comment_delimiter", "start_key", "end_key", "line_only"), &CodeEdit::add_comment_delimiter, DEFVAL(false)); + ClassDB::bind_method(D_METHOD("remove_comment_delimiter", "start_key"), &CodeEdit::remove_comment_delimiter); + ClassDB::bind_method(D_METHOD("has_comment_delimiter", "start_key"), &CodeEdit::has_comment_delimiter); + + ClassDB::bind_method(D_METHOD("set_comment_delimiters", "comment_delimiters"), &CodeEdit::set_comment_delimiters); + ClassDB::bind_method(D_METHOD("clear_comment_delimiters"), &CodeEdit::clear_comment_delimiters); + ClassDB::bind_method(D_METHOD("get_comment_delimiters"), &CodeEdit::get_comment_delimiters); + + ClassDB::bind_method(D_METHOD("is_in_comment", "line", "column"), &CodeEdit::is_in_comment, DEFVAL(-1)); + + // Util + ClassDB::bind_method(D_METHOD("get_delimiter_start_key", "delimiter_index"), &CodeEdit::get_delimiter_start_key); + ClassDB::bind_method(D_METHOD("get_delimiter_end_key", "delimiter_index"), &CodeEdit::get_delimiter_end_key); + + ClassDB::bind_method(D_METHOD("get_delimiter_start_postion", "line", "column"), &CodeEdit::get_delimiter_start_position); + ClassDB::bind_method(D_METHOD("get_delimiter_end_postion", "line", "column"), &CodeEdit::get_delimiter_end_position); + + /* Code hint */ + ClassDB::bind_method(D_METHOD("set_code_hint", "code_hint"), &CodeEdit::set_code_hint); + ClassDB::bind_method(D_METHOD("set_code_hint_draw_below", "draw_below"), &CodeEdit::set_code_hint_draw_below); + + /* Code Completion */ + BIND_ENUM_CONSTANT(KIND_CLASS); + BIND_ENUM_CONSTANT(KIND_FUNCTION); + BIND_ENUM_CONSTANT(KIND_SIGNAL); + BIND_ENUM_CONSTANT(KIND_VARIABLE); + BIND_ENUM_CONSTANT(KIND_MEMBER); + BIND_ENUM_CONSTANT(KIND_ENUM); + BIND_ENUM_CONSTANT(KIND_CONSTANT); + BIND_ENUM_CONSTANT(KIND_NODE_PATH); + BIND_ENUM_CONSTANT(KIND_FILE_PATH); + BIND_ENUM_CONSTANT(KIND_PLAIN_TEXT); + + ClassDB::bind_method(D_METHOD("get_text_for_code_completion"), &CodeEdit::get_text_for_code_completion); + ClassDB::bind_method(D_METHOD("request_code_completion", "force"), &CodeEdit::request_code_completion, DEFVAL(false)); + ClassDB::bind_method(D_METHOD("add_code_completion_option", "type", "display_text", "insert_text", "text_color", "icon", "value"), &CodeEdit::add_code_completion_option, DEFVAL(Color(1, 1, 1)), DEFVAL(RES()), DEFVAL(Variant::NIL)); + ClassDB::bind_method(D_METHOD("update_code_completion_options", "force"), &CodeEdit::update_code_completion_options); + ClassDB::bind_method(D_METHOD("get_code_completion_options"), &CodeEdit::get_code_completion_options); + ClassDB::bind_method(D_METHOD("get_code_completion_option", "index"), &CodeEdit::get_code_completion_option); + ClassDB::bind_method(D_METHOD("get_code_completion_selected_index"), &CodeEdit::get_code_completion_selected_index); + ClassDB::bind_method(D_METHOD("set_code_completion_selected_index", "index"), &CodeEdit::set_code_completion_selected_index); + + ClassDB::bind_method(D_METHOD("confirm_code_completion", "replace"), &CodeEdit::confirm_code_completion, DEFVAL(false)); + ClassDB::bind_method(D_METHOD("cancel_code_completion"), &CodeEdit::cancel_code_completion); + + ClassDB::bind_method(D_METHOD("set_code_completion_enabled", "enable"), &CodeEdit::set_code_completion_enabled); + ClassDB::bind_method(D_METHOD("is_code_completion_enabled"), &CodeEdit::is_code_completion_enabled); + + ClassDB::bind_method(D_METHOD("set_code_completion_prefixes", "prefixes"), &CodeEdit::set_code_completion_prefixes); + ClassDB::bind_method(D_METHOD("get_code_comletion_prefixes"), &CodeEdit::get_code_completion_prefixes); + + // Overridable + BIND_VMETHOD(MethodInfo("_confirm_code_completion", PropertyInfo(Variant::BOOL, "replace"))); + BIND_VMETHOD(MethodInfo("_request_code_completion", PropertyInfo(Variant::BOOL, "force"))); + BIND_VMETHOD(MethodInfo(Variant::ARRAY, "_filter_code_completion_candidates", PropertyInfo(Variant::ARRAY, "candidates"))); + + /* Inspector */ ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_breakpoints_gutter"), "set_draw_breakpoints_gutter", "is_drawing_breakpoints_gutter"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_bookmarks"), "set_draw_bookmarks_gutter", "is_drawing_bookmarks_gutter"); @@ -331,7 +1175,17 @@ void CodeEdit::_bind_methods() { ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_fold_gutter"), "set_draw_fold_gutter", "is_drawing_fold_gutter"); + ADD_GROUP("Delimiters", "delimiter_"); + ADD_PROPERTY(PropertyInfo(Variant::PACKED_STRING_ARRAY, "delimiter_strings"), "set_string_delimiters", "get_string_delimiters"); + ADD_PROPERTY(PropertyInfo(Variant::PACKED_STRING_ARRAY, "delimiter_comments"), "set_comment_delimiters", "get_comment_delimiters"); + + ADD_GROUP("Code Completion", "code_completion_"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "code_completion_enabled"), "set_code_completion_enabled", "is_code_completion_enabled"); + ADD_PROPERTY(PropertyInfo(Variant::PACKED_STRING_ARRAY, "code_completion_prefixes"), "set_code_completion_prefixes", "get_code_comletion_prefixes"); + + /* Signals */ ADD_SIGNAL(MethodInfo("breakpoint_toggled", PropertyInfo(Variant::INT, "line"))); + ADD_SIGNAL(MethodInfo("request_code_completion")); } void CodeEdit::_gutter_clicked(int p_line, int p_gutter) { @@ -360,7 +1214,566 @@ void CodeEdit::_gutter_clicked(int p_line, int p_gutter) { } } +void CodeEdit::_update_gutter_indexes() { + for (int i = 0; i < get_gutter_count(); i++) { + if (get_gutter_name(i) == "main_gutter") { + main_gutter = i; + continue; + } + + if (get_gutter_name(i) == "line_numbers") { + line_number_gutter = i; + continue; + } + + if (get_gutter_name(i) == "fold_gutter") { + fold_gutter = i; + continue; + } + } +} + +/* Delimiters */ +void CodeEdit::_update_delimiter_cache(int p_from_line, int p_to_line) { + if (delimiters.size() == 0) { + return; + } + + int line_count = get_line_count(); + if (p_to_line == -1) { + p_to_line = line_count; + } + + int start_line = MIN(p_from_line, p_to_line); + int end_line = MAX(p_from_line, p_to_line); + + /* Make sure delimiter_cache has all the lines. */ + if (start_line != end_line) { + if (p_to_line < p_from_line) { + for (int i = end_line; i > start_line; i--) { + delimiter_cache.remove(i); + } + } else { + for (int i = start_line; i < end_line; i++) { + delimiter_cache.insert(i, Map<int, int>()); + } + } + } + + int in_region = -1; + for (int i = start_line; i < MIN(end_line + 1, line_count); i++) { + int current_end_region = (i <= 0 || delimiter_cache[i].size() < 1) ? -1 : delimiter_cache[i].back()->value(); + in_region = (i <= 0 || delimiter_cache[i - 1].size() < 1) ? -1 : delimiter_cache[i - 1].back()->value(); + + const String &str = get_line(i); + const int line_length = str.length(); + delimiter_cache.write[i].clear(); + + if (str.length() == 0) { + if (in_region != -1) { + delimiter_cache.write[i][0] = in_region; + } + if (i == end_line && current_end_region != in_region) { + end_line++; + end_line = MIN(end_line, line_count); + } + continue; + } + + int end_region = -1; + for (int j = 0; j < line_length; j++) { + int from = j; + for (; from < line_length; from++) { + if (str[from] == '\\') { + from++; + continue; + } + break; + } + + /* check if we are in entering a region */ + bool same_line = false; + if (in_region == -1) { + for (int d = 0; d < delimiters.size(); d++) { + /* check there is enough room */ + int chars_left = line_length - from; + int start_key_length = delimiters[d].start_key.length(); + int end_key_length = delimiters[d].end_key.length(); + if (chars_left < start_key_length) { + continue; + } + + /* search the line */ + bool match = true; + const char32_t *start_key = delimiters[d].start_key.get_data(); + for (int k = 0; k < start_key_length; k++) { + if (start_key[k] != str[from + k]) { + match = false; + break; + } + } + if (!match) { + continue; + } + same_line = true; + in_region = d; + delimiter_cache.write[i][from + 1] = d; + from += start_key_length; + + /* check if it's the whole line */ + if (end_key_length == 0 || delimiters[d].line_only || from + end_key_length > line_length) { + j = line_length; + if (delimiters[d].line_only) { + delimiter_cache.write[i][line_length + 1] = -1; + } else { + end_region = in_region; + } + } + break; + } + + if (j == line_length || in_region == -1) { + continue; + } + } + + /* if we are in one find the end key */ + /* search the line */ + int region_end_index = -1; + int end_key_length = delimiters[in_region].end_key.length(); + const char32_t *end_key = delimiters[in_region].end_key.get_data(); + for (; from < line_length; from++) { + if (line_length - from < end_key_length) { + break; + } + + if (!is_symbol(str[from])) { + continue; + } + + if (str[from] == '\\') { + from++; + continue; + } + + region_end_index = from; + for (int k = 0; k < end_key_length; k++) { + if (end_key[k] != str[from + k]) { + region_end_index = -1; + break; + } + } + + if (region_end_index != -1) { + break; + } + } + + j = from + (end_key_length - 1); + end_region = (region_end_index == -1) ? in_region : -1; + if (!same_line || region_end_index != -1) { + delimiter_cache.write[i][j + 1] = end_region; + } + in_region = -1; + } + + if (i == end_line && current_end_region != end_region) { + end_line++; + end_line = MIN(end_line, line_count); + } + } +} + +int CodeEdit::_is_in_delimiter(int p_line, int p_column, DelimiterType p_type) const { + if (delimiters.size() == 0) { + return -1; + } + ERR_FAIL_INDEX_V(p_line, get_line_count(), 0); + + int region = (p_line <= 0 || delimiter_cache[p_line - 1].size() < 1) ? -1 : delimiter_cache[p_line - 1].back()->value(); + bool in_region = region != -1 && delimiters[region].type == p_type; + for (Map<int, int>::Element *E = delimiter_cache[p_line].front(); E; E = E->next()) { + /* If column is specified, loop untill the key is larger then the column. */ + if (p_column != -1) { + if (E->key() > p_column) { + break; + } + in_region = E->value() != -1 && delimiters[E->value()].type == p_type; + region = in_region ? E->value() : -1; + continue; + } + + /* If no column, calulate if the entire line is a region */ + /* excluding whitespace. */ + const String line = get_line(p_line); + if (!in_region) { + if (E->value() == -1 || delimiters[E->value()].type != p_type) { + break; + } + + region = E->value(); + in_region = true; + for (int i = E->key() - 2; i >= 0; i--) { + if (!_is_whitespace(line[i])) { + return -1; + } + } + } + + if (delimiters[region].line_only) { + return region; + } + + int end_col = E->key(); + if (E->value() != -1) { + if (!E->next()) { + return region; + } + end_col = E->next()->key(); + } + + for (int i = end_col; i < line.length(); i++) { + if (!_is_whitespace(line[i])) { + return -1; + } + } + return region; + } + return in_region ? region : -1; +} + +void CodeEdit::_add_delimiter(const String &p_start_key, const String &p_end_key, bool p_line_only, DelimiterType p_type) { + if (p_start_key.length() > 0) { + for (int i = 0; i < p_start_key.length(); i++) { + ERR_FAIL_COND_MSG(!is_symbol(p_start_key[i]), "delimiter must start with a symbol"); + } + } + + if (p_end_key.length() > 0) { + for (int i = 0; i < p_end_key.length(); i++) { + ERR_FAIL_COND_MSG(!is_symbol(p_end_key[i]), "delimiter must end with a symbol"); + } + } + + int at = 0; + for (int i = 0; i < delimiters.size(); i++) { + ERR_FAIL_COND_MSG(delimiters[i].start_key == p_start_key, "delimiter with start key '" + p_start_key + "' already exists."); + if (p_start_key.length() < delimiters[i].start_key.length()) { + at++; + } + } + + Delimiter delimiter; + delimiter.type = p_type; + delimiter.start_key = p_start_key; + delimiter.end_key = p_end_key; + delimiter.line_only = p_line_only || p_end_key == ""; + delimiters.insert(at, delimiter); + if (!setting_delimiters) { + delimiter_cache.clear(); + _update_delimiter_cache(); + } +} + +void CodeEdit::_remove_delimiter(const String &p_start_key, DelimiterType p_type) { + for (int i = 0; i < delimiters.size(); i++) { + if (delimiters[i].start_key != p_start_key) { + continue; + } + + if (delimiters[i].type != p_type) { + break; + } + + delimiters.remove(i); + if (!setting_delimiters) { + delimiter_cache.clear(); + _update_delimiter_cache(); + } + break; + } +} + +bool CodeEdit::_has_delimiter(const String &p_start_key, DelimiterType p_type) const { + for (int i = 0; i < delimiters.size(); i++) { + if (delimiters[i].start_key == p_start_key) { + return delimiters[i].type == p_type; + } + } + return false; +} + +void CodeEdit::_set_delimiters(const TypedArray<String> &p_delimiters, DelimiterType p_type) { + setting_delimiters = true; + _clear_delimiters(p_type); + + for (int i = 0; i < p_delimiters.size(); i++) { + String key = p_delimiters[i].is_null() ? "" : p_delimiters[i]; + + const String start_key = key.get_slice(" ", 0); + const String end_key = key.get_slice_count(" ") > 1 ? key.get_slice(" ", 1) : String(); + + _add_delimiter(start_key, end_key, end_key == "", p_type); + } + setting_delimiters = false; + _update_delimiter_cache(); +} + +void CodeEdit::_clear_delimiters(DelimiterType p_type) { + for (int i = delimiters.size() - 1; i >= 0; i--) { + if (delimiters[i].type == p_type) { + delimiters.remove(i); + } + } + delimiter_cache.clear(); +} + +TypedArray<String> CodeEdit::_get_delimiters(DelimiterType p_type) const { + TypedArray<String> r_delimiters; + for (int i = 0; i < delimiters.size(); i++) { + if (delimiters[i].type != p_type) { + continue; + } + r_delimiters.push_back(delimiters[i].start_key + (delimiters[i].end_key.is_empty() ? "" : " " + delimiters[i].end_key)); + } + return r_delimiters; +} + +/* Code Completion */ +void CodeEdit::_filter_code_completion_candidates() { + ScriptInstance *si = get_script_instance(); + if (si && si->has_method("_filter_code_completion_candidates")) { + code_completion_options.clear(); + code_completion_base = ""; + + /* Build options argument. */ + TypedArray<Dictionary> completion_options_sources; + completion_options_sources.resize(code_completion_option_sources.size()); + int i = 0; + for (List<ScriptCodeCompletionOption>::Element *E = code_completion_option_sources.front(); E; E = E->next()) { + Dictionary option; + option["kind"] = E->get().kind; + option["display_text"] = E->get().display; + option["insert_text"] = E->get().insert_text; + option["font_color"] = E->get().font_color; + option["icon"] = E->get().icon; + option["default_value"] = E->get().default_value; + completion_options_sources[i] = option; + i++; + } + + TypedArray<Dictionary> completion_options = si->call("_filter_code_completion_candidates", completion_options_sources); + + /* No options to complete, cancel. */ + if (completion_options.size() == 0) { + cancel_code_completion(); + return; + } + + /* Convert back into options. */ + int max_width = 0; + for (i = 0; i < completion_options.size(); i++) { + ScriptCodeCompletionOption option; + option.kind = (ScriptCodeCompletionOption::Kind)(int)completion_options[i].get("kind"); + option.display = completion_options[i].get("display_text"); + option.insert_text = completion_options[i].get("insert_text"); + option.font_color = completion_options[i].get("font_color"); + option.icon = completion_options[i].get("icon"); + option.default_value = completion_options[i].get("default_value"); + + max_width = MAX(max_width, cache.font->get_string_size(option.display).width); + code_completion_options.push_back(option); + } + + code_completion_longest_line = MIN(max_width, code_completion_max_width); + code_completion_current_selected = 0; + code_completion_active = true; + update(); + return; + } + + const int caret_line = cursor_get_line(); + const int caret_column = cursor_get_column(); + const String line = get_line(caret_line); + + if (caret_column > 0 && line[caret_column - 1] == '(' && !code_completion_forced) { + cancel_code_completion(); + return; + } + + /* Get string status, are we in one or at the close. */ + int in_string = is_in_string(caret_line, caret_column); + int first_quote_col = -1; + if (in_string != -1) { + Point2 string_start_pos = get_delimiter_start_position(caret_line, caret_column); + first_quote_col = (string_start_pos.y == caret_line) ? string_start_pos.x : -1; + } else if (caret_column > 0) { + if (is_in_string(caret_line, caret_column - 1) != -1) { + first_quote_col = caret_column - 1; + } + } + + int cofs = caret_column; + String string_to_complete; + bool prev_is_word = false; + + /* Cancel if we are at the close of a string. */ + if (in_string == -1 && first_quote_col == cofs - 1) { + cancel_code_completion(); + return; + /* In a string, therefore we are trying to complete the string text. */ + } else if (in_string != -1 && first_quote_col != -1) { + int key_length = delimiters[in_string].start_key.length(); + string_to_complete = line.substr(first_quote_col - key_length, (cofs - first_quote_col) + key_length); + /* If we have a space, previous word might be a keyword. eg "func |". */ + } else if (cofs > 0 && line[cofs - 1] == ' ') { + int ofs = cofs - 1; + while (ofs >= 0 && line[ofs] == ' ') { + ofs--; + } + prev_is_word = _is_char(line[ofs]); + /* Otherwise get current word and set cofs to the start. */ + } else { + int start_cofs = cofs; + while (cofs > 0 && line[cofs - 1] > 32 && (line[cofs - 1] == '/' || _is_char(line[cofs - 1]))) { + cofs--; + } + string_to_complete = line.substr(cofs, start_cofs - cofs); + } + + /* If all else fails, check for a prefix. */ + /* Single space between caret and prefix is okay. */ + bool prev_is_prefix = false; + if (cofs > 0 && code_completion_prefixes.has(String::chr(line[cofs - 1]))) { + prev_is_prefix = true; + } else if (cofs > 1 && line[cofs - 1] == ' ' && code_completion_prefixes.has(String::chr(line[cofs - 2]))) { + prev_is_prefix = true; + } + + if (!prev_is_word && string_to_complete.is_empty() && (cofs == 0 || !prev_is_prefix)) { + cancel_code_completion(); + return; + } + + /* Filter Options. */ + /* For now handle only tradional quoted strings. */ + bool single_quote = in_string != -1 && first_quote_col > 0 && delimiters[in_string].start_key == "'"; + + code_completion_options.clear(); + code_completion_base = string_to_complete; + + Vector<ScriptCodeCompletionOption> completion_options_casei; + Vector<ScriptCodeCompletionOption> completion_options_subseq; + Vector<ScriptCodeCompletionOption> completion_options_subseq_casei; + + int max_width = 0; + String string_to_complete_lower = string_to_complete.to_lower(); + for (List<ScriptCodeCompletionOption>::Element *E = code_completion_option_sources.front(); E; E = E->next()) { + ScriptCodeCompletionOption &option = E->get(); + + if (single_quote && option.display.is_quoted()) { + option.display = option.display.unquote().quote("'"); + } + + if (in_string != -1) { + String quote = single_quote ? "'" : "\""; + option.display = option.display.unquote().quote(quote); + option.insert_text = option.insert_text.unquote().quote(quote); + } + + if (option.display.length() == 0) { + continue; + } + + if (string_to_complete.length() == 0) { + code_completion_options.push_back(option); + max_width = MAX(max_width, cache.font->get_string_size(option.display).width); + continue; + } + + /* This code works the same as: + + if (option.display.begins_with(s)) { + completion_options.push_back(option); + } else if (option.display.to_lower().begins_with(s.to_lower())) { + completion_options_casei.push_back(option); + } else if (s.is_subsequence_of(option.display)) { + completion_options_subseq.push_back(option); + } else if (s.is_subsequence_ofi(option.display)) { + completion_options_subseq_casei.push_back(option); + } + + But is more performant due to being inlined and looping over the characters only once + */ + + String display_lower = option.display.to_lower(); + + const char32_t *ssq = &string_to_complete[0]; + const char32_t *ssq_lower = &string_to_complete_lower[0]; + + const char32_t *tgt = &option.display[0]; + const char32_t *tgt_lower = &display_lower[0]; + + const char32_t *ssq_last_tgt = nullptr; + const char32_t *ssq_lower_last_tgt = nullptr; + + for (; *tgt; tgt++, tgt_lower++) { + if (*ssq == *tgt) { + ssq++; + ssq_last_tgt = tgt; + } + if (*ssq_lower == *tgt_lower) { + ssq_lower++; + ssq_lower_last_tgt = tgt; + } + } + + /* Matched the whole subsequence in s. */ + if (!*ssq) { + /* Finished matching in the first s.length() characters. */ + if (ssq_last_tgt == &option.display[string_to_complete.length() - 1]) { + code_completion_options.push_back(option); + } else { + completion_options_subseq.push_back(option); + } + max_width = MAX(max_width, cache.font->get_string_size(option.display).width); + /* Matched the whole subsequence in s_lower. */ + } else if (!*ssq_lower) { + /* Finished matching in the first s.length() characters. */ + if (ssq_lower_last_tgt == &option.display[string_to_complete.length() - 1]) { + completion_options_casei.push_back(option); + } else { + completion_options_subseq_casei.push_back(option); + } + max_width = MAX(max_width, cache.font->get_string_size(option.display).width); + } + } + + code_completion_options.append_array(completion_options_casei); + code_completion_options.append_array(completion_options_subseq); + code_completion_options.append_array(completion_options_subseq_casei); + + /* No options to complete, cancel. */ + if (code_completion_options.size() == 0) { + cancel_code_completion(); + return; + } + + /* A perfect match, stop completion. */ + if (code_completion_options.size() == 1 && string_to_complete == code_completion_options[0].display) { + cancel_code_completion(); + return; + } + + code_completion_longest_line = MIN(max_width, code_completion_max_width); + code_completion_current_selected = 0; + code_completion_active = true; + update(); +} + void CodeEdit::_lines_edited_from(int p_from_line, int p_to_line) { + _update_delimiter_cache(p_from_line, p_to_line); + if (p_from_line == p_to_line) { return; } @@ -392,25 +1805,6 @@ void CodeEdit::_lines_edited_from(int p_from_line, int p_to_line) { } } -void CodeEdit::_update_gutter_indexes() { - for (int i = 0; i < get_gutter_count(); i++) { - if (get_gutter_name(i) == "main_gutter") { - main_gutter = i; - continue; - } - - if (get_gutter_name(i) == "line_numbers") { - line_number_gutter = i; - continue; - } - - if (get_gutter_name(i) == "fold_gutter") { - fold_gutter = i; - continue; - } - } -} - CodeEdit::CodeEdit() { /* Text Direction */ set_layout_direction(LAYOUT_DIRECTION_LTR); |