Re: toggling dialogs open and closed

[Angus Leeming]

Looks like I forgot withdialog.[Ch]. here they are; they go in the insets dir.
A


On Tuesday 19 March 2002 3:53 pm, Angus Leeming wrote:
> Good! Then the interface is to be:
>
> LFUN_INSET_PROPERTIES, inset-properties
> Inset::toggleDialog(BufferView *) {}
>
> I'll code it up now.

JMarc, here's the patch. It seems to work perfectly. I believe you first
mentioned this to me (more than?) a year ago! Perhaps, the ideas just took
 time to mature?

I'll leave this in your tender care. Feel free to do whatever you want to it.

Angus

toggle.diff.bz2
Description: BZip2 compressed data

/**
 * \file withdialog.C
 * Copyright 2000-2002 the LyX Team
 * Read the file COPYING
 *
 * \author Angus Leeming, [EMAIL PROTECTED]
 */

#include <config.h> 

#ifdef __GNUG__
#pragma implementation
#endif 

#include "withdialog.h"
#include "frontends/DialogBase.h"


withDialog::~withDialog()
{
	hideDialog();
}


bool withDialog::connected() const
{
	// Why isn't SigC::Connection::connected() a const method?
	// How bloody stupid of SigC!
	SigC::Connection & tmp =
		const_cast<SigC::Connection &>(connection_);
	
	return tmp.connected();
}


void withDialog::disconnect()
{
	connection_.disconnect();
}


void withDialog::connect(DialogBase & dialog)
{
	connection_ = 
		hideDialog_.connect(SigC::slot(&dialog, &DialogBase::hide));
}


void withDialog::hideDialog()
{
	if (connected()) {
		hideDialog_.emit();
	}
}

// -*- C++ -*-
/**
 * \file withdialog.h
 * Copyright 2000-2002 the LyX Team
 * Read the file COPYING
 *
 * \author Angus Leeming, [EMAIL PROTECTED]
 */

/* All insets with a dialog should derive from this class.
 * Enables the dialog to be hidden when the inset is deleted.
 * Also enables the dialog to toggled open and closed in response to an
 * LFUN request.
 */

#ifndef WITHDIALOG_H
#define WITHDIALOG_H

#ifdef __GNUG__
#pragma interface
#endif 

#include <sigc++/signal_system.h>

class DialogBase;
class BufferView;

class withDialog {
public:
	/// If the dialog is connected to the inset, then hide it.
	virtual ~withDialog();

	/// Are the dialog and inset connected?
	bool connected() const;

	/** Disconnect the dialog from the inset.
	 *  Invoked by the dialog.
	 */
	void disconnect();

	/** Connect the dialog to the inset.
	 *  Invoked by the dialog.
	 */
	void connect(DialogBase &);

	/// Emit the signal to hide the dialog.	    
	void hideDialog();

private:
	///
	SigC::Signal0<void> hideDialog_;
	///
	SigC::Connection connection_;
};

#endif // WITHDIALOG