home/src/context.hh
2012-08-05 20:13:41 +02:00

66 lines
1.5 KiB
C++

#ifndef context_hh_INCLUDED
#define context_hh_INCLUDED
#include "window.hh"
namespace Kakoune
{
class Buffer;
struct Context
{
Context() {}
Context(Editor& editor)
: m_editor(&editor), m_buffer(&editor.buffer()) {}
// to allow func(Context(Editor(...)))
Context(Editor&& editor)
: m_editor(&editor), m_buffer(&editor.buffer()) {}
Buffer& buffer() const
{
if (not has_buffer())
throw runtime_error("no buffer in context");
return *m_buffer;
}
bool has_buffer() const { return m_buffer; }
Editor& editor() const
{
if (not has_editor())
throw runtime_error("no editor in context");
return *m_editor.get();
}
bool has_editor() const { return m_editor; }
Window& window() const
{
if (not has_window())
throw runtime_error("no window in context");
return *dynamic_cast<Window*>(m_editor.get());
}
bool has_window() const { return m_editor and dynamic_cast<Window*>(m_editor.get()); }
OptionManager& option_manager() const
{
if (has_window())
return window().option_manager();
if (has_buffer())
return buffer().option_manager();
return GlobalOptionManager::instance();
}
int numeric_param() const { return m_numeric_param; }
void numeric_param(int param) { m_numeric_param = param; }
public:
safe_ptr<Editor> m_editor;
safe_ptr<Buffer> m_buffer;
int m_numeric_param = 0;
};
}
#endif // context_hh_INCLUDED