godot/scene/gui/code_edit.h
2023-01-18 17:05:15 +01:00

438 lines
14 KiB
C++

/**************************************************************************/
/* code_edit.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef CODE_EDIT_H
#define CODE_EDIT_H
#include "scene/gui/text_edit.h"
class CodeEdit : public TextEdit {
GDCLASS(CodeEdit, TextEdit)
public:
/* Keep enum in sync with: */
/* /core/object/script_language.h - ScriptLanguage::CodeCompletionKind */
enum CodeCompletionKind {
KIND_CLASS,
KIND_FUNCTION,
KIND_SIGNAL,
KIND_VARIABLE,
KIND_MEMBER,
KIND_ENUM,
KIND_CONSTANT,
KIND_NODE_PATH,
KIND_FILE_PATH,
KIND_PLAIN_TEXT,
};
private:
/* Indent management */
int indent_size = 4;
String indent_text = "\t";
bool auto_indent = false;
HashSet<char32_t> auto_indent_prefixes;
bool indent_using_spaces = false;
int _calculate_spaces_till_next_left_indent(int p_column) const;
int _calculate_spaces_till_next_right_indent(int p_column) const;
void _new_line(bool p_split_current_line = true, bool p_above = false);
/* Auto brace completion */
bool auto_brace_completion_enabled = false;
/* BracePair open_key must be uniquie and ordered by length. */
struct BracePair {
String open_key = "";
String close_key = "";
};
Vector<BracePair> auto_brace_completion_pairs;
int _get_auto_brace_pair_open_at_pos(int p_line, int p_col);
int _get_auto_brace_pair_close_at_pos(int p_line, int p_col);
/* Main Gutter */
enum MainGutterType {
MAIN_GUTTER_BREAKPOINT = 0x01,
MAIN_GUTTER_BOOKMARK = 0x02,
MAIN_GUTTER_EXECUTING = 0x04
};
int main_gutter = -1;
void _update_draw_main_gutter();
void _main_gutter_draw_callback(int p_line, int p_gutter, const Rect2 &p_region);
// breakpoints
HashMap<int, bool> breakpointed_lines;
bool draw_breakpoints = false;
Color breakpoint_color = Color(1, 1, 1);
Ref<Texture2D> breakpoint_icon = Ref<Texture2D>();
// bookmarks
bool draw_bookmarks = false;
Color bookmark_color = Color(1, 1, 1);
Ref<Texture2D> bookmark_icon = Ref<Texture2D>();
// executing lines
bool draw_executing_lines = false;
Color executing_line_color = Color(1, 1, 1);
Ref<Texture2D> executing_line_icon = Ref<Texture2D>();
/* Line numbers */
int line_number_gutter = -1;
int line_number_digits = 0;
String line_number_padding = " ";
Color line_number_color = Color(1, 1, 1);
void _line_number_draw_callback(int p_line, int p_gutter, const Rect2 &p_region);
/* Fold Gutter */
int fold_gutter = -1;
bool draw_fold_gutter = false;
Color folding_color = Color(1, 1, 1);
Ref<Texture2D> can_fold_icon = Ref<Texture2D>();
Ref<Texture2D> folded_icon = Ref<Texture2D>();
void _fold_gutter_draw_callback(int p_line, int p_gutter, Rect2 p_region);
void _gutter_clicked(int p_line, int p_gutter);
void _update_gutter_indexes();
/* Line Folding */
bool line_folding_enabled = false;
/* Delimiters */
enum DelimiterType {
TYPE_STRING,
TYPE_COMMENT,
};
struct Delimiter {
DelimiterType type;
String start_key = "";
String end_key = "";
bool line_only = true;
};
bool setting_delimiters = false;
Vector<Delimiter> delimiters;
/*
* Vector entry per line, contains a Map of column numbers to delimiter index, -1 marks the end of a region.
* e.g the following text will be stored as so:
*
* 0: nothing here
* 1:
* 2: # test
* 3: "test" text "multiline
* 4:
* 5: test
* 6: string"
*
* Vector [
* 0 = []
* 1 = []
* 2 = [
* 1 = 1
* 6 = -1
* ]
* 3 = [
* 1 = 0
* 6 = -1
* 13 = 0
* ]
* 4 = [
* 0 = 0
* ]
* 5 = [
* 5 = 0
* ]
* 6 = [
* 7 = -1
* ]
* ]
*/
Vector<RBMap<int, int>> delimiter_cache;
void _update_delimiter_cache(int p_from_line = 0, int p_to_line = -1);
int _is_in_delimiter(int p_line, int p_column, DelimiterType p_type) const;
void _add_delimiter(const String &p_start_key, const String &p_end_key, bool p_line_only, DelimiterType p_type);
void _remove_delimiter(const String &p_start_key, DelimiterType p_type);
bool _has_delimiter(const String &p_start_key, DelimiterType p_type) const;
void _set_delimiters(const TypedArray<String> &p_delimiters, DelimiterType p_type);
void _clear_delimiters(DelimiterType p_type);
TypedArray<String> _get_delimiters(DelimiterType p_type) const;
/* Code Hint */
String code_hint = "";
bool code_hint_draw_below = true;
int code_hint_xpos = -0xFFFF;
/* Code Completion */
bool code_completion_enabled = false;
bool code_completion_forced = false;
int code_completion_max_width = 0;
int code_completion_max_lines = 7;
int code_completion_scroll_width = 0;
Color code_completion_scroll_color = Color(0, 0, 0, 0);
Color code_completion_scroll_hovered_color = Color(0, 0, 0, 0);
Color code_completion_background_color = Color(0, 0, 0, 0);
Color code_completion_selected_color = Color(0, 0, 0, 0);
Color code_completion_existing_color = Color(0, 0, 0, 0);
bool code_completion_active = false;
bool is_code_completion_scroll_hovered = false;
bool is_code_completion_scroll_pressed = false;
Vector<ScriptLanguage::CodeCompletionOption> code_completion_options;
int code_completion_line_ofs = 0;
int code_completion_current_selected = 0;
int code_completion_force_item_center = -1;
int code_completion_longest_line = 0;
Rect2i code_completion_rect;
Rect2i code_completion_scroll_rect;
HashSet<char32_t> code_completion_prefixes;
List<ScriptLanguage::CodeCompletionOption> code_completion_option_submitted;
List<ScriptLanguage::CodeCompletionOption> code_completion_option_sources;
String code_completion_base;
void _update_scroll_selected_line(float p_mouse_y);
void _filter_code_completion_candidates_impl();
/* Line length guidelines */
TypedArray<int> line_length_guideline_columns;
Color line_length_guideline_color;
/* Symbol lookup */
bool symbol_lookup_on_click_enabled = false;
String symbol_lookup_new_word = "";
String symbol_lookup_word = "";
Point2i symbol_lookup_pos;
/* Visual */
Ref<StyleBox> style_normal;
Ref<Font> font;
int font_size = 16;
int line_spacing = 1;
/* Callbacks */
int lines_edited_changed = 0;
int lines_edited_from = -1;
int lines_edited_to = -1;
void _lines_edited_from(int p_from_line, int p_to_line);
void _text_set();
void _text_changed();
protected:
void _notification(int p_what);
static void _bind_methods();
/* Text manipulation */
// Overridable actions
virtual void _handle_unicode_input_internal(const uint32_t p_unicode, int p_caret) override;
virtual void _backspace_internal(int p_caret) override;
GDVIRTUAL1(_confirm_code_completion, bool)
GDVIRTUAL1(_request_code_completion, bool)
GDVIRTUAL1RC(TypedArray<Dictionary>, _filter_code_completion_candidates, TypedArray<Dictionary>)
public:
/* General overrides */
virtual void gui_input(const Ref<InputEvent> &p_gui_input) override;
virtual CursorShape get_cursor_shape(const Point2 &p_pos = Point2i()) const override;
/* Indent management */
void set_indent_size(const int p_size);
int get_indent_size() const;
void set_indent_using_spaces(const bool p_use_spaces);
bool is_indent_using_spaces() const;
void set_auto_indent_enabled(bool p_enabled);
bool is_auto_indent_enabled() const;
void set_auto_indent_prefixes(const TypedArray<String> &p_prefixes);
TypedArray<String> get_auto_indent_prefixes() const;
void do_indent();
void indent_lines();
void unindent_lines();
/* Auto brace completion */
void set_auto_brace_completion_enabled(bool p_enabled);
bool is_auto_brace_completion_enabled() const;
void set_highlight_matching_braces_enabled(bool p_enabled);
bool is_highlight_matching_braces_enabled() const;
void add_auto_brace_completion_pair(const String &p_open_key, const String &p_close_key);
void set_auto_brace_completion_pairs(const Dictionary &p_auto_brace_completion_pairs);
Dictionary get_auto_brace_completion_pairs() const;
bool has_auto_brace_completion_open_key(const String &p_open_key) const;
bool has_auto_brace_completion_close_key(const String &p_close_key) const;
String get_auto_brace_completion_close_key(const String &p_open_key) const;
/* Main Gutter */
void set_draw_breakpoints_gutter(bool p_draw);
bool is_drawing_breakpoints_gutter() const;
void set_draw_bookmarks_gutter(bool p_draw);
bool is_drawing_bookmarks_gutter() const;
void set_draw_executing_lines_gutter(bool p_draw);
bool is_drawing_executing_lines_gutter() const;
// breakpoints
void set_line_as_breakpoint(int p_line, bool p_breakpointed);
bool is_line_breakpointed(int p_line) const;
void clear_breakpointed_lines();
PackedInt32Array get_breakpointed_lines() const;
// bookmarks
void set_line_as_bookmarked(int p_line, bool p_bookmarked);
bool is_line_bookmarked(int p_line) const;
void clear_bookmarked_lines();
PackedInt32Array get_bookmarked_lines() const;
// executing lines
void set_line_as_executing(int p_line, bool p_executing);
bool is_line_executing(int p_line) const;
void clear_executing_lines();
PackedInt32Array get_executing_lines() const;
/* Line numbers */
void set_draw_line_numbers(bool p_draw);
bool is_draw_line_numbers_enabled() const;
void set_line_numbers_zero_padded(bool p_zero_padded);
bool is_line_numbers_zero_padded() const;
/* Fold gutter */
void set_draw_fold_gutter(bool p_draw);
bool is_drawing_fold_gutter() const;
/* Line Folding */
void set_line_folding_enabled(bool p_enabled);
bool is_line_folding_enabled() const;
bool can_fold_line(int p_line) const;
void fold_line(int p_line);
void unfold_line(int p_line);
void fold_all_lines();
void unfold_all_lines();
void toggle_foldable_line(int p_line);
bool is_line_folded(int p_line) const;
TypedArray<int> get_folded_lines() const;
/* Delimiters */
void add_string_delimiter(const String &p_start_key, const String &p_end_key, bool p_line_only = false);
void remove_string_delimiter(const String &p_start_key);
bool has_string_delimiter(const String &p_start_key) const;
void set_string_delimiters(const TypedArray<String> &p_string_delimiters);
void clear_string_delimiters();
TypedArray<String> get_string_delimiters() const;
int is_in_string(int p_line, int p_column = -1) const;
void add_comment_delimiter(const String &p_start_key, const String &p_end_key, bool p_line_only = false);
void remove_comment_delimiter(const String &p_start_key);
bool has_comment_delimiter(const String &p_start_key) const;
void set_comment_delimiters(const TypedArray<String> &p_comment_delimiters);
void clear_comment_delimiters();
TypedArray<String> get_comment_delimiters() const;
int is_in_comment(int p_line, int p_column = -1) const;
String get_delimiter_start_key(int p_delimiter_idx) const;
String get_delimiter_end_key(int p_delimiter_idx) const;
Point2 get_delimiter_start_position(int p_line, int p_column) const;
Point2 get_delimiter_end_position(int p_line, int p_column) const;
/* Code hint */
void set_code_hint(const String &p_hint);
void set_code_hint_draw_below(bool p_below);
/* Code Completion */
void set_code_completion_enabled(bool p_enable);
bool is_code_completion_enabled() const;
void set_code_completion_prefixes(const TypedArray<String> &p_prefixes);
TypedArray<String> get_code_completion_prefixes() const;
String get_text_for_code_completion() const;
void request_code_completion(bool p_force = false);
void add_code_completion_option(CodeCompletionKind p_type, const String &p_display_text, const String &p_insert_text, const Color &p_text_color = Color(1, 1, 1), const Ref<Resource> &p_icon = Ref<Resource>(), const Variant &p_value = Variant::NIL);
void update_code_completion_options(bool p_forced = false);
TypedArray<Dictionary> get_code_completion_options() const;
Dictionary get_code_completion_option(int p_index) const;
int get_code_completion_selected_index() const;
void set_code_completion_selected_index(int p_index);
void confirm_code_completion(bool p_replace = false);
void cancel_code_completion();
/* Line length guidelines */
void set_line_length_guidelines(TypedArray<int> p_guideline_columns);
TypedArray<int> get_line_length_guidelines() const;
/* Symbol lookup */
void set_symbol_lookup_on_click_enabled(bool p_enabled);
bool is_symbol_lookup_on_click_enabled() const;
String get_text_for_symbol_lookup();
void set_symbol_lookup_word_as_valid(bool p_valid);
CodeEdit();
~CodeEdit();
};
VARIANT_ENUM_CAST(CodeEdit::CodeCompletionKind);
#endif // CODE_EDIT_H