kakoune/src/window.hh

86 lines
2.3 KiB
C++

#ifndef window_hh_INCLUDED
#define window_hh_INCLUDED
#include "client.hh"
#include "display_buffer.hh"
#include "highlighter_group.hh"
#include "option_manager.hh"
#include "optional.hh"
#include "safe_ptr.hh"
#include "scope.hh"
namespace Kakoune
{
enum class Hook;
// A Window is a view onto a Buffer
class Window final : public SafeCountable, public Scope, private OptionManagerWatcher
{
public:
Window(Buffer& buffer);
~Window();
const DisplayCoord& position() const { return m_position; }
void set_position(DisplayCoord position);
const DisplayCoord& dimensions() const { return m_dimensions; }
void set_dimensions(DisplayCoord dimensions);
void scroll(LineCount offset);
void center_line(LineCount buffer_line);
void display_line_at(LineCount buffer_line, LineCount display_line);
void scroll(ColumnCount offset);
void center_column(ColumnCount buffer_column);
void display_column_at(ColumnCount buffer_column, ColumnCount display_column);
const DisplayBuffer& update_display_buffer(const Context& context);
Optional<DisplayCoord> display_position(BufferCoord coord) const;
BufferCoord buffer_coord(DisplayCoord coord) const;
Buffer& buffer() const { return *m_buffer; }
bool needs_redraw(const Context& context) const;
void force_redraw() { m_last_setup = Setup{}; }
void set_client(Client* client) { m_client = client; }
void clear_display_buffer();
private:
Window(const Window&) = delete;
void on_option_changed(const Option& option) override;
DisplaySetup compute_display_setup(const Context& context) const;
friend class ClientManager;
void run_hook_in_own_context(Hook hook, StringView param,
String client_name = "");
SafePtr<Buffer> m_buffer;
SafePtr<Client> m_client;
DisplayCoord m_position;
DisplayCoord m_dimensions;
DisplayBuffer m_display_buffer;
Highlighters m_builtin_highlighters;
struct Setup
{
DisplayCoord position;
DisplayCoord dimensions;
size_t timestamp;
size_t faces_hash;
size_t main_selection;
Vector<BufferRange, MemoryDomain::Display> selections;
};
Setup build_setup(const Context& context) const;
Setup m_last_setup;
};
}
#endif // window_hh_INCLUDED