420 lines
12 KiB
C++
420 lines
12 KiB
C++
/*************************************************************************/
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/* text_edit.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef TEXT_EDIT_H
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#define TEXT_EDIT_H
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#include "scene/gui/control.h"
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#include "scene/gui/scroll_bar.h"
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#include "scene/main/timer.h"
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class TextEdit : public Control {
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OBJ_TYPE( TextEdit, Control );
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struct Cursor {
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int last_fit_x;
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int line,column; ///< cursor
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int x_ofs,line_ofs;
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} cursor;
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struct Selection {
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enum Mode {
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MODE_NONE,
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MODE_SHIFT,
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MODE_POINTER
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};
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Mode selecting_mode;
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int selecting_line,selecting_column;
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bool selecting_text;
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bool active;
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int from_line,from_column;
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int to_line,to_column;
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bool shiftclick_left;
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} selection;
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struct Cache {
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Ref<Texture> tab_icon;
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Ref<StyleBox> style_normal;
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Ref<StyleBox> style_focus;
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Ref<Font> font;
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Color font_color;
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Color font_selected_color;
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Color keyword_color;
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Color selection_color;
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Color mark_color;
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Color breakpoint_color;
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Color current_line_color;
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Color brace_mismatch_color;
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int row_height;
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int line_spacing;
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int line_number_w;
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Size2 size;
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} cache;
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struct ColorRegion {
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Color color;
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String begin_key;
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String end_key;
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bool line_only;
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bool eq;
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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; }
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};
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class Text {
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public:
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struct ColorRegionInfo {
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int region;
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bool end;
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};
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struct Line {
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int width_cache : 24;
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bool marked : 1;
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bool breakpoint : 1;
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Map<int,ColorRegionInfo> region_info;
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String data;
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};
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private:
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const Vector<ColorRegion> *color_regions;
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mutable Vector<Line> text;
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Ref<Font> font;
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int tab_size;
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void _update_line_cache(int p_line) const;
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public:
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void set_tab_size(int p_tab_size);
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void set_font(const Ref<Font>& p_font);
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void set_color_regions(const Vector<ColorRegion>*p_regions) { color_regions=p_regions; }
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int get_line_width(int p_line) const;
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int get_max_width() const;
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const Map<int,ColorRegionInfo>& get_color_region_info(int p_line);
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void set(int p_line,const String& p_string);
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void set_marked(int p_line,bool p_marked) { text[p_line].marked=p_marked; }
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bool is_marked(int p_line) const { return text[p_line].marked; }
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void set_breakpoint(int p_line,bool p_breakpoint) { text[p_line].breakpoint=p_breakpoint; }
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bool is_breakpoint(int p_line) const { return text[p_line].breakpoint; }
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void insert(int p_at,const String& p_text);
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void remove(int p_at);
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int size() const { return text.size(); }
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void clear();
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void clear_caches();
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_FORCE_INLINE_ const String& operator[](int p_line) const { return text[p_line].data; }
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Text() { tab_size=4; }
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};
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struct TextOperation {
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enum Type {
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TYPE_NONE,
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TYPE_INSERT,
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TYPE_REMOVE
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};
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Type type;
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int from_line,from_column;
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int to_line, to_column;
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String text;
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uint32_t prev_version;
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uint32_t version;
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bool chain_forward;
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bool chain_backward;
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};
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TextOperation current_op;
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List<TextOperation> undo_stack;
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List<TextOperation>::Element *undo_stack_pos;
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void _clear_redo();
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void _do_text_op(const TextOperation& p_op, bool p_reverse);
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//syntax coloring
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Color symbol_color;
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HashMap<String,Color> keywords;
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Color custom_bg_color;
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Vector<ColorRegion> color_regions;
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Set<String> completion_prefixes;
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bool completion_enabled;
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Vector<String> completion_strings;
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Vector<String> completion_options;
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bool completion_active;
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String completion_current;
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String completion_base;
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int completion_index;
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Rect2i completion_rect;
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int completion_line_ofs;
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String completion_hint;
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int completion_hint_offset;
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bool setting_text;
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// data
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Text text;
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uint32_t version;
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uint32_t saved_version;
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int max_chars;
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bool readonly;
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bool syntax_coloring;
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int tab_size;
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bool setting_row;
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bool wrap;
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bool draw_tabs;
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bool cursor_changed_dirty;
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bool text_changed_dirty;
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bool undo_enabled;
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bool line_numbers;
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bool scroll_past_end_of_file_enabled;
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bool auto_brace_completion_enabled;
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bool brace_matching_enabled;
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bool auto_indent;
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bool cut_copy_line;
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uint64_t last_dblclk;
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Timer *idle_detect;
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Timer *click_select_held;
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HScrollBar *h_scroll;
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VScrollBar *v_scroll;
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bool updating_scrolls;
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Object *tooltip_obj;
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StringName tooltip_func;
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Variant tooltip_ud;
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bool next_operation_is_complex;
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bool callhint_below;
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Vector2 callhint_offset;
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int get_visible_rows() const;
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int get_char_count();
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int get_char_pos_for(int p_px,String p_pos) const;
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int get_column_x_offset(int p_column,String p_pos);
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void adjust_viewport_to_cursor();
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void _scroll_moved(double);
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void _update_scrollbars();
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void _click_selection_held();
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void _pre_shift_selection();
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void _post_shift_selection();
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// void mouse_motion(const Point& p_pos, const Point& p_rel, int p_button_mask);
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Size2 get_minimum_size();
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int get_row_height() const;
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void _update_caches();
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void _cursor_changed_emit();
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void _text_changed_emit();
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void _begin_compex_operation();
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void _end_compex_operation();
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void _push_current_op();
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/* super internal api, undo/redo builds on it */
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void _base_insert_text(int p_line, int p_column,const String& p_text,int &r_end_line,int &r_end_column);
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String _base_get_text(int p_from_line, int p_from_column,int p_to_line,int p_to_column) const;
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void _base_remove_text(int p_from_line, int p_from_column,int p_to_line,int p_to_column);
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DVector<int> _search_bind(const String &p_key,uint32_t p_search_flags, int p_from_line,int p_from_column) const;
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void _clear();
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void _cancel_completion();
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void _cancel_code_hint();
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void _confirm_completion();
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void _update_completion_candidates();
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void _get_mouse_pos(const Point2i& p_mouse, int &r_row, int &r_col) const;
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protected:
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virtual String get_tooltip(const Point2& p_pos) const;
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void _insert_text(int p_line, int p_column,const String& p_text,int *r_end_line=NULL,int *r_end_char=NULL);
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void _remove_text(int p_from_line, int p_from_column,int p_to_line,int p_to_column);
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void _insert_text_at_cursor(const String& p_text);
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void _input_event(const InputEvent& p_input);
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void _notification(int p_what);
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void _consume_pair_symbol(CharType ch);
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void _consume_backspace_for_pair_symbol(int prev_line, int prev_column);
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static void _bind_methods();
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public:
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enum SearchFlags {
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SEARCH_MATCH_CASE=1,
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SEARCH_WHOLE_WORDS=2,
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SEARCH_BACKWARDS=4
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};
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virtual CursorShape get_cursor_shape(const Point2& p_pos=Point2i()) const;
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//void delete_char();
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//void delete_line();
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void set_text(String p_text);
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void insert_text_at_cursor(const String& p_text);
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void insert_at(const String& p_text, int at);
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int get_line_count() const;
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void set_line_as_marked(int p_line,bool p_marked);
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void set_line_as_breakpoint(int p_line,bool p_breakpoint);
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bool is_line_set_as_breakpoint(int p_line) const;
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void get_breakpoints(List<int> *p_breakpoints) const;
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String get_text();
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String get_line(int line) const;
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void set_line(int line, String new_text);
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void backspace_at_cursor();
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inline void set_scroll_pass_end_of_file(bool p_enabled) {
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scroll_past_end_of_file_enabled = p_enabled;
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update();
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}
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inline void set_auto_brace_completion(bool p_enabled) {
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auto_brace_completion_enabled = p_enabled;
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}
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inline void set_brace_matching(bool p_enabled) {
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brace_matching_enabled=p_enabled;
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update();
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}
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inline void set_callhint_settings(bool below, Vector2 offset) {
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callhint_below = below;
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callhint_offset = offset;
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}
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void set_auto_indent(bool p_auto_indent);
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void cursor_set_column(int p_col, bool p_adjust_viewport=true);
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void cursor_set_line(int p_row, bool p_adjust_viewport=true);
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int cursor_get_column() const;
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int cursor_get_line() const;
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void set_readonly(bool p_readonly);
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void set_max_chars(int p_max_chars);
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void set_wrap(bool p_wrap);
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void clear();
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void set_syntax_coloring(bool p_enabled);
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bool is_syntax_coloring_enabled() const;
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void cut();
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void copy();
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void paste();
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void select_all();
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void select(int p_from_line,int p_from_column,int p_to_line,int p_to_column);
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void deselect();
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bool is_selection_active() const;
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int get_selection_from_line() const;
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int get_selection_from_column() const;
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int get_selection_to_line() const;
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int get_selection_to_column() const;
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String get_selection_text() const;
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String get_word_under_cursor() const;
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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;
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void undo();
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void redo();
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void clear_undo_history();
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void set_draw_tabs(bool p_draw);
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bool is_drawing_tabs() const;
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void add_keyword_color(const String& p_keyword,const Color& p_color);
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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);
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void set_symbol_color(const Color& p_color);
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void set_custom_bg_color(const Color& p_color);
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void clear_colors();
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int get_v_scroll() const;
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void set_v_scroll(int p_scroll);
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int get_h_scroll() const;
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void set_h_scroll(int p_scroll);
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uint32_t get_version() const;
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uint32_t get_saved_version() const;
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void tag_saved_version();
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void set_show_line_numbers(bool p_show);
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void set_tooltip_request_func(Object *p_obj, const StringName& p_function, const Variant& p_udata);
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void set_completion(bool p_enabled,const Vector<String>& p_prefixes);
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void code_complete(const Vector<String> &p_strings);
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void set_code_hint(const String& p_hint);
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void query_code_comple();
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String get_text_for_completion();
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virtual bool is_text_field() const;
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TextEdit();
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~TextEdit();
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};
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#endif // TEXT_EDIT_H
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