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mirror of https://github.com/mawww/kakoune.git synced 2024-12-26 21:22:00 +03:00
kakoune/src/context.hh
Maxime Coste e8c8833211 Do not reset edition level to 0 on buffer change
Keep it as is, commit undo in current buffer, and we will commit it in
the new buffer when edition level gets back to 0.
2014-11-21 18:56:39 +00:00

134 lines
3.4 KiB
C++

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