mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-11 13:46:43 +00:00
31334d3934
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18016 a592a061-630c-0410-9148-cb99ea01b6c8
77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
// -*- C++ -*-
|
|
/**
|
|
* \file Selection.h
|
|
* This file is part of LyX, the document processor.
|
|
* Licence details can be found in the file COPYING.
|
|
*
|
|
* \author unknown
|
|
* \author John Levon
|
|
* \author Abdelrazak Younes
|
|
*
|
|
* Full author contact details are available in file CREDITS.
|
|
*/
|
|
|
|
#ifndef BASE_SELECTION_H
|
|
#define BASE_SELECTION_H
|
|
|
|
#include "support/docstring.h"
|
|
|
|
namespace lyx {
|
|
namespace frontend {
|
|
|
|
/**
|
|
* A Selection class manages the selection.
|
|
*/
|
|
class Selection
|
|
{
|
|
public:
|
|
virtual ~Selection() {}
|
|
|
|
/**
|
|
* Tell the window system whether we set or cleared our selection.
|
|
* This is a noop on systems that don't have a selection.
|
|
* This should be called by the kernel whenever a selection is
|
|
* created, changed or cleared.
|
|
* \param own
|
|
* If true: Tell that we got a valid selection.
|
|
* If false: Tell that we cleared our selection.
|
|
*/
|
|
virtual void haveSelection(bool) = 0;
|
|
/**
|
|
* Get the X selection contents.
|
|
* This is a noop on systems that don't have a selection.
|
|
* The format is plain text.
|
|
* This should be called when the user presses the middle mouse
|
|
* button.
|
|
*/
|
|
virtual docstring const get() const = 0;
|
|
/**
|
|
* Fill the X selection.
|
|
* The format is plain text.
|
|
* Does nothing on systems that don't have a selection.
|
|
* Since the X selection protocol is asyncronous this should never be
|
|
* called from the kernel.
|
|
* If another application requests the current selection a
|
|
* SelectionRequest XEvent will be triggered. The response of the
|
|
* frontend to this event should be to retrieve the current selection
|
|
* from the kernel and push it to X with this method.
|
|
*/
|
|
virtual void put(docstring const &) = 0;
|
|
/**
|
|
* Is the X selection empty?
|
|
* This does always return true on systems that don't have a real
|
|
* selection.
|
|
*/
|
|
virtual bool empty() const = 0;
|
|
};
|
|
|
|
} // namespace frontend
|
|
|
|
/// Implementation is in Application.cpp
|
|
extern frontend::Selection & theSelection();
|
|
|
|
} // namespace lyx
|
|
|
|
|
|
#endif // BASE_SELECTION_H
|