//
// CmdDialog.hh for pekwm
// Copyright (C) 2004 Claes Nasten <pekdon{@}pekdon{.}net>
//
// This program is licensed under the GNU GPL.
// See the LICENSE file for more information.
//

#include "../config.h"

#ifndef _CMD_DIALOG_HH_
#define _CMD_DIALOG_HH_

#include "Action.hh"

#include <list>
#include <string>

class PDecor;
class PDecor::TitleItem;
class Theme::TextDialogData;

//! @brief CmdDialog presenting the user with an pekwm action command line.
class CmdDialog : public PDecor
{
public:
	CmdDialog(Display *dpy, Theme *theme, const std::string &title);
	virtual ~CmdDialog(void);

	// wo event interface
	ActionEvent *handleButtonPress(XButtonEvent *ev);
	ActionEvent *handleKeyPress(XKeyEvent *ev);
	ActionEvent *handleExposeEvent(XExposeEvent *ev);

	void setTitle(const std::string &title);

	//! @brief Returns the PWinObj the CmdDialog executes actions on.
	inline PWinObj *getWORef(void) { return _wo_ref; }
	//! @brief Sets the PWinObj the CmdDialog executes actions on.
	inline void setWORef(PWinObj *wo) { _wo_ref = wo; }

	void mapCenteredOnWORef(void);

private:
	// BEGIN - PDecor interface
	virtual void loadTheme(void);
	// END - PDecor interface
	void unloadTheme(void);

	void render(void);

	ActionEvent *exec(void);
	void complete(void);

	void bufAdd(XKeyEvent *ev);
	void bufRemove(void);
	void bufClear(void);
	void bufChangePos(int off);

	void bufChanged(void); // recalculates buf position

	void histNext(void);
	void histPrev(void);

private:
	Theme::TextDialogData *_cmd_data;

	PWinObj *_cmd_wo;
	PDecor::TitleItem _title;

	Pixmap _bg;

	// action event, for event handling
	ActionEvent _ae;
	PWinObj *_wo_ref;

	// content related
	std::string _buf;
	uint _pos, _buf_off, _buf_chars; // position, start and num display

	// history
	std::string _hist_new; // the one we started editing on
	std::list<std::string> _hist_list;
	std::list<std::string>::iterator _hist_it;
};

#endif // _CMD_DIALOG_HH_