86 lines
2.0 KiB
C++
86 lines
2.0 KiB
C++
#ifndef window_hh_INCLUDED
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#define window_hh_INCLUDED
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#include <memory>
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#include <functional>
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#include "utils.hh"
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#include "buffer.hh"
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#include "display_buffer.hh"
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namespace Kakoune
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{
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struct WindowCoord : LineAndColumn
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{
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WindowCoord(int line = 0, int column = 0)
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: LineAndColumn(line, column) {}
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};
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struct Selection
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{
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Selection(const BufferIterator& begin, const BufferIterator& end)
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: begin(begin), end(end) {}
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BufferIterator begin;
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BufferIterator end;
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};
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typedef std::vector<Selection> SelectionList;
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class Window
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{
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public:
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typedef BufferString String;
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typedef std::function<Selection (const BufferIterator&)> Selector;
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Window(const std::shared_ptr<Buffer> buffer);
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Window(const Window&) = delete;
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void erase();
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void insert(const String& string);
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void append(const String& string);
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const BufferCoord& position() const { return m_position; }
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const WindowCoord& cursor_position() const { return m_cursor; }
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const std::shared_ptr<Buffer>& buffer() const { return m_buffer; }
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BufferCoord window_to_buffer(const WindowCoord& window_pos) const;
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WindowCoord buffer_to_window(const BufferCoord& buffer_pos) const;
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BufferIterator iterator_at(const WindowCoord& window_pos) const;
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WindowCoord line_and_column_at(const BufferIterator& iterator) const;
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void move_cursor(const WindowCoord& offset);
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const SelectionList& selections() const { return m_selections; }
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void empty_selections();
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void select(bool append, const Selector& selector);
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void set_dimensions(const WindowCoord& dimensions);
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const DisplayBuffer& display_buffer() const { return m_display_buffer; }
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void update_display_buffer();
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bool undo();
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bool redo();
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private:
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void scroll_to_keep_cursor_visible_ifn();
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std::shared_ptr<Buffer> m_buffer;
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BufferCoord m_position;
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WindowCoord m_cursor;
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WindowCoord m_dimensions;
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SelectionList m_selections;
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DisplayBuffer m_display_buffer;
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};
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}
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#endif // window_hh_INCLUDED
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