112 lines
2.8 KiB
C++
112 lines
2.8 KiB
C++
#ifndef context_hh_INCLUDED
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#define context_hh_INCLUDED
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#include "dynamic_selection_list.hh"
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#include <boost/optional.hpp>
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namespace Kakoune
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{
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class Window;
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class Buffer;
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class Client;
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class InputHandler;
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class UserInterface;
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class DisplayLine;
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class KeymapManager;
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// A Context is used to access non singleton objects for various services
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// in commands.
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//
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// The Context object links a Client, a Window, an InputHandler and a
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// SelectionList. It may represent an interactive user window, a hook
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// execution or a macro replay context.
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class Context
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{
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public:
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Context();
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Context(InputHandler& input_handler, Buffer& buffer, SelectionList selections, String name = "");
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~Context();
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Context(const Context&) = delete;
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Context& operator=(const Context&) = delete;
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Buffer& buffer() const;
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bool has_buffer() const { return m_selections; }
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Window& window() const;
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bool has_window() const { return (bool)m_window; }
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Client& client() const;
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bool has_client() const { return (bool)m_client; }
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InputHandler& input_handler() const;
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bool has_input_handler() const { return (bool)m_input_handler; }
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UserInterface& ui() const;
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bool has_ui() const { return has_client(); }
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SelectionList& selections();
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const SelectionList& selections() const;
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std::vector<String> selections_content() const;
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void change_buffer(Buffer& buffer);
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void set_client(Client& client);
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void set_window(Window& window);
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OptionManager& options() const;
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HookManager& hooks() const;
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KeymapManager& keymaps() const;
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void print_status(DisplayLine status) const;
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void push_jump();
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const DynamicSelectionList& jump_forward();
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const DynamicSelectionList& jump_backward();
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void forget_jumps_to_buffer(Buffer& buffer);
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const String& name() const { return m_name; }
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void set_name(String name) { m_name = std::move(name); }
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bool is_editing() const { return m_edition_level!= 0; }
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void disable_undo_handling() { m_edition_level = -1; }
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private:
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void begin_edition();
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void end_edition();
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int m_edition_level = 0;
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friend struct ScopedEdition;
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safe_ptr<InputHandler> m_input_handler;
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safe_ptr<Window> m_window;
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safe_ptr<Client> m_client;
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friend class Client;
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boost::optional<DynamicSelectionList> m_selections;
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String m_name;
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using JumpList = std::vector<DynamicSelectionList>;
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JumpList m_jump_list;
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JumpList::iterator m_current_jump = m_jump_list.begin();
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};
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struct ScopedEdition
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{
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ScopedEdition(Context& context)
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: m_context(context)
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{ m_context.begin_edition(); }
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~ScopedEdition()
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{ m_context.end_edition(); }
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Context& context() const { return m_context; }
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private:
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Context& m_context;
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};
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}
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#endif // context_hh_INCLUDED
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