virtualx-engine/scene/gui/text_edit.h
2016-07-12 16:07:17 +01:00

503 lines
14 KiB
C++

/*************************************************************************/
/* text_edit.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 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 TEXT_EDIT_H
#define TEXT_EDIT_H
#include "scene/gui/control.h"
#include "scene/gui/scroll_bar.h"
#include "scene/gui/popup_menu.h"
#include "scene/main/timer.h"
class TextEdit : public Control {
OBJ_TYPE( TextEdit, Control );
struct Cursor {
int last_fit_x;
int line,column; ///< cursor
int x_ofs,line_ofs;
} cursor;
struct Selection {
enum Mode {
MODE_NONE,
MODE_SHIFT,
MODE_POINTER
};
Mode selecting_mode;
int selecting_line,selecting_column;
bool selecting_text;
bool active;
int from_line,from_column;
int to_line,to_column;
bool shiftclick_left;
} selection;
struct Cache {
Ref<Texture> tab_icon;
Ref<StyleBox> style_normal;
Ref<StyleBox> style_focus;
Ref<Font> font;
Color completion_background_color;
Color completion_selected_color;
Color completion_existing_color;
Color completion_font_color;
Color caret_color;
Color caret_background_color;
Color line_number_color;
Color font_color;
Color font_selected_color;
Color keyword_color;
Color number_color;
Color function_color;
Color member_variable_color;
Color selection_color;
Color mark_color;
Color breakpoint_color;
Color current_line_color;
Color brace_mismatch_color;
Color word_highlighted_color;
Color search_result_color;
Color search_result_border_color;
int row_height;
int line_spacing;
int line_number_w;
int breakpoint_gutter_width;
Size2 size;
} cache;
struct ColorRegion {
Color color;
String begin_key;
String end_key;
bool line_only;
bool eq;
ColorRegion(const String& p_begin_key="",const String& p_end_key="",const Color &p_color=Color(),bool p_line_only=false) { begin_key=p_begin_key; end_key=p_end_key; color=p_color; line_only=p_line_only || p_end_key==""; eq=begin_key==end_key; }
};
class Text {
public:
struct ColorRegionInfo {
int region;
bool end;
};
struct Line {
int width_cache : 24;
bool marked : 1;
bool breakpoint : 1;
Map<int,ColorRegionInfo> region_info;
String data;
};
private:
const Vector<ColorRegion> *color_regions;
mutable Vector<Line> text;
Ref<Font> font;
int tab_size;
void _update_line_cache(int p_line) const;
public:
void set_tab_size(int p_tab_size);
void set_font(const Ref<Font>& p_font);
void set_color_regions(const Vector<ColorRegion>*p_regions) { color_regions=p_regions; }
int get_line_width(int p_line) const;
int get_max_width() const;
const Map<int,ColorRegionInfo>& get_color_region_info(int p_line);
void set(int p_line,const String& p_string);
void set_marked(int p_line,bool p_marked) { text[p_line].marked=p_marked; }
bool is_marked(int p_line) const { return text[p_line].marked; }
void set_breakpoint(int p_line,bool p_breakpoint) { text[p_line].breakpoint=p_breakpoint; }
bool is_breakpoint(int p_line) const { return text[p_line].breakpoint; }
void insert(int p_at,const String& p_text);
void remove(int p_at);
int size() const { return text.size(); }
void clear();
void clear_caches();
_FORCE_INLINE_ const String& operator[](int p_line) const { return text[p_line].data; }
Text() { tab_size=4; }
};
struct TextOperation {
enum Type {
TYPE_NONE,
TYPE_INSERT,
TYPE_REMOVE
};
Type type;
int from_line,from_column;
int to_line, to_column;
String text;
uint32_t prev_version;
uint32_t version;
bool chain_forward;
bool chain_backward;
};
TextOperation current_op;
List<TextOperation> undo_stack;
List<TextOperation>::Element *undo_stack_pos;
void _clear_redo();
void _do_text_op(const TextOperation& p_op, bool p_reverse);
//syntax coloring
Color symbol_color;
HashMap<String,Color> keywords;
Color custom_bg_color;
Vector<ColorRegion> color_regions;
Set<String> completion_prefixes;
bool completion_enabled;
Vector<String> completion_strings;
Vector<String> completion_options;
bool completion_active;
String completion_current;
String completion_base;
int completion_index;
Rect2i completion_rect;
int completion_line_ofs;
String completion_hint;
int completion_hint_offset;
bool setting_text;
// data
Text text;
uint32_t version;
uint32_t saved_version;
int max_chars;
bool readonly;
bool syntax_coloring;
int tab_size;
Timer *caret_blink_timer;
bool caret_blink_enabled;
bool draw_caret;
bool window_has_focus;
bool block_caret;
bool setting_row;
bool wrap;
bool draw_tabs;
bool cursor_changed_dirty;
bool text_changed_dirty;
bool undo_enabled;
bool line_numbers;
bool draw_breakpoint_gutter;
int breakpoint_gutter_width;
bool highlight_all_occurrences;
bool scroll_past_end_of_file_enabled;
bool auto_brace_completion_enabled;
bool brace_matching_enabled;
bool auto_indent;
bool cut_copy_line;
bool insert_mode;
uint64_t last_dblclk;
Timer *idle_detect;
Timer *click_select_held;
HScrollBar *h_scroll;
VScrollBar *v_scroll;
bool updating_scrolls;
Object *tooltip_obj;
StringName tooltip_func;
Variant tooltip_ud;
bool next_operation_is_complex;
bool callhint_below;
Vector2 callhint_offset;
String search_text;
uint32_t search_flags;
int search_result_line;
int search_result_col;
int get_visible_rows() const;
int get_char_count();
int get_char_pos_for(int p_px,String p_pos) const;
int get_column_x_offset(int p_column,String p_pos);
void adjust_viewport_to_cursor();
void _scroll_moved(double);
void _update_scrollbars();
void _click_selection_held();
void _pre_shift_selection();
void _post_shift_selection();
void _scroll_lines_up();
void _scroll_lines_down();
// void mouse_motion(const Point& p_pos, const Point& p_rel, int p_button_mask);
Size2 get_minimum_size() const;
int get_row_height() const;
void _reset_caret_blink_timer();
void _toggle_draw_caret();
void _update_caches();
void _cursor_changed_emit();
void _text_changed_emit();
void _push_current_op();
/* super internal api, undo/redo builds on it */
void _base_insert_text(int p_line, int p_column,const String& p_text,int &r_end_line,int &r_end_column);
String _base_get_text(int p_from_line, int p_from_column,int p_to_line,int p_to_column) const;
void _base_remove_text(int p_from_line, int p_from_column,int p_to_line,int p_to_column);
int _get_column_pos_of_word(const String &p_key, const String &p_search, uint32_t p_search_flags, int p_from_column);
DVector<int> _search_bind(const String &p_key,uint32_t p_search_flags, int p_from_line,int p_from_column) const;
PopupMenu *menu;
void _clear();
void _cancel_completion();
void _cancel_code_hint();
void _confirm_completion();
void _update_completion_candidates();
void _get_mouse_pos(const Point2i& p_mouse, int &r_row, int &r_col) const;
protected:
virtual String get_tooltip(const Point2& p_pos) const;
void _insert_text(int p_line, int p_column,const String& p_text,int *r_end_line=NULL,int *r_end_char=NULL);
void _remove_text(int p_from_line, int p_from_column,int p_to_line,int p_to_column);
void _insert_text_at_cursor(const String& p_text);
void _input_event(const InputEvent& p_input);
void _notification(int p_what);
void _consume_pair_symbol(CharType ch);
void _consume_backspace_for_pair_symbol(int prev_line, int prev_column);
static void _bind_methods();
public:
enum MenuItems {
MENU_CUT,
MENU_COPY,
MENU_PASTE,
MENU_CLEAR,
MENU_SELECT_ALL,
MENU_UNDO,
MENU_MAX
};
enum SearchFlags {
SEARCH_MATCH_CASE=1,
SEARCH_WHOLE_WORDS=2,
SEARCH_BACKWARDS=4
};
virtual CursorShape get_cursor_shape(const Point2& p_pos=Point2i()) const;
//void delete_char();
//void delete_line();
void begin_complex_operation();
void end_complex_operation();
void set_text(String p_text);
void insert_text_at_cursor(const String& p_text);
void insert_at(const String& p_text, int at);
int get_line_count() const;
void set_line_as_marked(int p_line,bool p_marked);
void set_line_as_breakpoint(int p_line,bool p_breakpoint);
bool is_line_set_as_breakpoint(int p_line) const;
void get_breakpoints(List<int> *p_breakpoints) const;
String get_text();
String get_line(int line) const;
void set_line(int line, String new_text);
void backspace_at_cursor();
void indent_selection_left();
void indent_selection_right();
inline void set_scroll_pass_end_of_file(bool p_enabled) {
scroll_past_end_of_file_enabled = p_enabled;
update();
}
inline void set_auto_brace_completion(bool p_enabled) {
auto_brace_completion_enabled = p_enabled;
}
inline void set_brace_matching(bool p_enabled) {
brace_matching_enabled=p_enabled;
update();
}
inline void set_callhint_settings(bool below, Vector2 offset) {
callhint_below = below;
callhint_offset = offset;
}
void set_auto_indent(bool p_auto_indent);
void cursor_set_column(int p_col, bool p_adjust_viewport=true);
void cursor_set_line(int p_row, bool p_adjust_viewport=true);
int cursor_get_column() const;
int cursor_get_line() const;
bool cursor_get_blink_enabled() const;
void cursor_set_blink_enabled(const bool p_enabled);
float cursor_get_blink_speed() const;
void cursor_set_blink_speed(const float p_speed);
void cursor_set_block_mode(const bool p_enable);
bool cursor_is_block_mode() const;
void set_readonly(bool p_readonly);
void set_max_chars(int p_max_chars);
void set_wrap(bool p_wrap);
void clear();
void set_syntax_coloring(bool p_enabled);
bool is_syntax_coloring_enabled() const;
void cut();
void copy();
void paste();
void select_all();
void select(int p_from_line,int p_from_column,int p_to_line,int p_to_column);
void deselect();
void set_search_text(const String& p_search_text);
void set_search_flags(uint32_t p_flags);
void set_current_search_result(int line, int col);
void set_highlight_all_occurrences(const bool p_enabled);
bool is_highlight_all_occurrences_enabled() const;
bool is_selection_active() const;
int get_selection_from_line() const;
int get_selection_from_column() const;
int get_selection_to_line() const;
int get_selection_to_column() const;
String get_selection_text() const;
String get_word_under_cursor() const;
bool search(const String &p_key,uint32_t p_search_flags, int p_from_line, int p_from_column,int &r_line,int &r_column) const;
void undo();
void redo();
void clear_undo_history();
void set_tab_size(const int p_size);
void set_draw_tabs(bool p_draw);
bool is_drawing_tabs() const;
void set_insert_mode(bool p_enabled);
bool is_insert_mode() const;
void add_keyword_color(const String& p_keyword,const Color& p_color);
void add_color_region(const String& p_begin_key=String(),const String& p_end_key=String(),const Color &p_color=Color(),bool p_line_only=false);
void set_symbol_color(const Color& p_color);
void set_custom_bg_color(const Color& p_color);
void clear_colors();
int get_v_scroll() const;
void set_v_scroll(int p_scroll);
int get_h_scroll() const;
void set_h_scroll(int p_scroll);
uint32_t get_version() const;
uint32_t get_saved_version() const;
void tag_saved_version();
void menu_option(int p_option);
void set_show_line_numbers(bool p_show);
bool is_show_line_numbers_enabled() const;
void set_draw_breakpoint_gutter(bool p_draw);
bool is_drawing_breakpoint_gutter() const;
void set_breakpoint_gutter_width(int p_gutter_width);
int get_breakpoint_gutter_width() const;
void set_tooltip_request_func(Object *p_obj, const StringName& p_function, const Variant& p_udata);
void set_completion(bool p_enabled,const Vector<String>& p_prefixes);
void code_complete(const Vector<String> &p_strings);
void set_code_hint(const String& p_hint);
void query_code_comple();
PopupMenu *get_menu() const;
String get_text_for_completion();
virtual bool is_text_field() const;
TextEdit();
~TextEdit();
};
#endif // TEXT_EDIT_H