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Diffstat (limited to 'scene/gui/text_edit.h')
| -rw-r--r-- | scene/gui/text_edit.h | 368 |
1 files changed, 368 insertions, 0 deletions
diff --git a/scene/gui/text_edit.h b/scene/gui/text_edit.h new file mode 100644 index 0000000000..5826c84c80 --- /dev/null +++ b/scene/gui/text_edit.h @@ -0,0 +1,368 @@ +/*************************************************************************/ +/* text_edit.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* 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 TEXT_EDIT_H +#define TEXT_EDIT_H + +#include "scene/gui/control.h" +#include "scene/gui/scroll_bar.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_test; + + + bool active; + + int from_line,from_column; + int to_line,to_column; + + + } selection; + + struct Cache { + + Ref<Texture> tab_icon; + Ref<StyleBox> style_normal; + Ref<StyleBox> style_focus; + Ref<Font> font; + Color font_color; + Color font_selected_color; + Color keyword_color; + Color selection_color; + Color mark_color; + Color breakpoint_color; + Color current_line_color; + + int row_height; + int line_spacing; + int line_number_w; + 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 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; + + bool setting_text; + + // data + Text text; + + uint32_t version; + uint32_t saved_version; + + int max_chars; + bool readonly; + bool syntax_coloring; + int tab_size; + + bool setting_row; + bool wrap; + bool draw_tabs; + bool cursor_changed_dirty; + bool text_changed_dirty; + bool undo_enabled; + bool line_numbers; + + uint64_t last_dblclk; + + Timer *idle_detect; + HScrollBar *h_scroll; + VScrollBar *v_scroll; + bool updating_scrolls; + + + Object *tooltip_obj; + StringName tooltip_func; + Variant tooltip_ud; + + 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 _pre_shift_selection(); + void _post_shift_selection(); + +// void mouse_motion(const Point& p_pos, const Point& p_rel, int p_button_mask); + Size2 get_minimum_size(); + + int get_row_height() const; + + 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); + + DVector<int> _search_bind(const String &p_key,uint32_t p_search_flags, int p_from_line,int p_from_column) const; + + void _clear(); + void _cancel_completion(); + void _confirm_completion(); + void _update_completion_candidates(); + + bool _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); + static void _bind_methods(); + + + +public: + + enum SearchFlags { + + SEARCH_MATCH_CASE=1, + SEARCH_WHOLE_WORDS=2, + SEARCH_BACKWARDS=4 + }; + + //void delete_char(); + //void delete_line(); + + void set_text(String p_text); + void insert_text_at_cursor(const String& p_text); + 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 backspace_at_cursor(); + + + void cursor_set_column(int p_col); + void cursor_set_line(int p_row); + + int cursor_get_column() const; + int cursor_get_line() 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(); + + 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; + + 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_draw_tabs(bool p_draw); + bool is_drawing_tabs() 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 set_show_line_numbers(bool p_show); + + 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 query_code_comple(); + + TextEdit(); + ~TextEdit(); +}; + + +#endif // TEXT_EDIT_H |