home/src/context.hh
2013-04-09 19:39:03 +02:00

74 lines
1.8 KiB
C++

#ifndef context_hh_INCLUDED
#define context_hh_INCLUDED
#include "dynamic_selection_list.hh"
namespace Kakoune
{
class Editor;
class Window;
class Buffer;
class InputHandler;
class UserInterface;
class DisplayLine;
// A Context is used to access non singleton objects for various services
// in commands.
//
// The Context object links an InputHandler, an Editor (which may be a Window),
// and a UserInterface. It may represent an interactive user window, or
// a hook execution or a macro replay.
struct Context
{
Context();
explicit Context(Editor& editor);
Context(InputHandler& input_handler, UserInterface& ui);
~Context();
Context(const Context&) = delete;
Context& operator=(const Context&) = delete;
Buffer& buffer() const;
bool has_buffer() const { return (bool)m_editor; }
Editor& editor() const;
bool has_editor() const { return (bool)m_editor; }
Window& window() const;
bool has_window() const;
InputHandler& input_handler() const;
bool has_input_handler() const { return (bool)m_input_handler; }
UserInterface& ui() const;
bool has_ui() const { return (bool)m_ui; }
void change_editor(Editor& editor);
OptionManager& options() const;
HookManager& hooks() const;
void print_status(const DisplayLine& status) const;
void push_jump();
const SelectionList& jump_forward();
const SelectionList& jump_backward();
void forget_jumps_to_buffer(Buffer& buffer);
int& numeric_param() { return m_numeric_param; }
private:
safe_ptr<Editor> m_editor;
safe_ptr<InputHandler> m_input_handler;
safe_ptr<UserInterface> m_ui;
int m_numeric_param = 0;
using JumpList = std::vector<DynamicSelectionList>;
JumpList m_jump_list;
JumpList::iterator m_current_jump = m_jump_list.begin();
};
}
#endif // context_hh_INCLUDED