1 files changed, 112 insertions, 0 deletions
diff --git a/src/interface.h b/src/interface.h
new file mode 100644
index 0000000..35ee1f7
--- /dev/null
+++ b/src/interface.h
@@ -0,0 +1,112 @@
+#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 PopupEntryType {
+		POPUP_PLAIN,
+		POPUP_FILE,
+		POPUP_DIRECTORY
+	};
+	virtual void popup_add(PopupEntryType type,
+			       const gchar *name, 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