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#ifndef __INTERFACE_H
#define __INTERFACE_H
#include <stdarg.h>
#include <glib.h>
#include <Scintilla.h>
#include "undo.h"
/* avoid include dependency conflict */
class QRegister;
class Buffer;
/*
* Base class for all user interfaces - used mereley as a class interface.
* The actual instance of the interface has the platform-specific type
* (e.g. InterfaceGtk) since we would like to have the benefits of using
* classes but avoid the calling overhead when invoking virtual methods
* on Interface pointers.
* There's only one Interface* instance in the system.
*/
class Interface {
template <class Type>
class UndoTokenInfoUpdate : public UndoToken {
Interface *iface;
Type *obj;
public:
UndoTokenInfoUpdate(Interface *_iface, Type *_obj)
: iface(_iface), obj(_obj) {}
void
run(void)
{
iface->info_update(obj);
}
};
public:
virtual GOptionGroup *
get_options(void)
{
return NULL;
}
virtual void parse_args(int &argc, char **&argv) {}
enum MessageType {
MSG_USER,
MSG_INFO,
MSG_WARNING,
MSG_ERROR
};
virtual void vmsg(MessageType type, const gchar *fmt, va_list ap) = 0;
inline void
msg(MessageType type, const gchar *fmt, ...) G_GNUC_PRINTF(3, 4)
{
va_list ap;
va_start(ap, fmt);
vmsg(type, fmt, ap);
va_end(ap);
}
virtual void msg_clear(void) {}
virtual sptr_t ssm(unsigned int iMessage,
uptr_t wParam = 0, sptr_t lParam = 0) = 0;
virtual void info_update(QRegister *reg) = 0;
virtual void info_update(Buffer *buffer) = 0;
template <class Type>
inline void
undo_info_update(Type *obj)
{
undo.push(new UndoTokenInfoUpdate<Type>(this, obj));
}
/* NULL means to redraw the current cmdline if necessary */
virtual void cmdline_update(const gchar *cmdline = NULL) = 0;
enum PopupFileType {
POPUP_FILE,
POPUP_DIRECTORY
};
virtual void popup_add_filename(PopupFileType type,
const gchar *filename,
bool highlight = false) = 0;
virtual void popup_show(void) = 0;
virtual void popup_clear(void) = 0;
/* main entry point */
virtual void event_loop(void) = 0;
/*
* Interfacing to the external SciTECO world
* See main.cpp
*/
protected:
void stdio_vmsg(MessageType type, const gchar *fmt, va_list ap);
public:
void process_notify(SCNotification *notify);
};
#ifdef INTERFACE_GTK
#include "interface-gtk.h"
#elif defined(INTERFACE_NCURSES)
#include "interface-ncurses.h"
#endif
#endif
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