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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@33236 a592a061-630c-0410-9148-cb99ea01b6c8
128 lines
2.9 KiB
C++
128 lines
2.9 KiB
C++
// -*- C++ -*-
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/**
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* \file ButtonController.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Allan Rae
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef BUTTONCONTROLLER_H
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#define BUTTONCONTROLLER_H
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#include "ButtonPolicy.h"
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class QWidget;
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class QPushButton;
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class QLineEdit;
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class QCheckBox;
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namespace lyx {
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namespace frontend {
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/** General purpose button controller for up to four buttons.
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Controls the activation of the OK, Apply and Cancel buttons.
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Actually supports 4 buttons in all and it's up to the user to decide on
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the activation policy and which buttons correspond to which output of the
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state machine.
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*/
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/** \c ButtonController controls the activation of the OK, Apply and
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* Cancel buttons.
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*
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* It actually supports 4 buttons in all and it's up to the user to decide on
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* the activation policy and which buttons correspond to which output of the
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* state machine.
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*/
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class ButtonController
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{
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public:
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ButtonController();
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~ButtonController();
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//@{
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/// Methods to set and get the ButtonPolicy.
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void setPolicy(ButtonPolicy::Policy policy);
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ButtonPolicy const & policy() const;
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ButtonPolicy & policy();
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//@}
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///
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void input(ButtonPolicy::SMInput);
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//@{
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/// Tell the BC that a particular button has been pressed.
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void ok();
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void apply();
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void cancel();
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void restore();
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void autoApply();
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//@}
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/// Tell the BC that the dialog is being hidden
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void hide();
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/**Refresh the activation state of the Ok, Apply, Close and
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* Restore buttons.
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*/
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void refresh() const;
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/** Refresh the activation state of all the widgets under the control
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* of the BC to reflect the read-only status of the underlying buffer.
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*/
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void refreshReadOnly() const;
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/** Passthrough function -- returns its input value
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* Tell the BC about the read-only status of the underlying buffer.
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*/
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bool setReadOnly(bool);
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/**
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* Sets the activation state of the buttons immediately.
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* \param validity Tell the BC that the data is, or is not, valid.
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*/
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void setValid(bool);
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//
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// View
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//
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//@{
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/// Store pointers to these widgets.
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void setOK(QPushButton * obj);
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void setApply(QPushButton * obj);
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void setCancel(QPushButton * obj);
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void setRestore(QPushButton * obj);
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void setAutoApply(QCheckBox * obj);
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//@}
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/** Add a pointer to the list of widgets whose activation
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* state is dependent upon the read-only status of the
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* underlying buffer.
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*/
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void addReadOnly(QWidget * obj);
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/** Add a widget to the list of all widgets whose validity should
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* be checked explicitly when the buttons are refreshed.
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*/
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void addCheckedLineEdit(QLineEdit * input, QWidget * label = 0);
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private:
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/// noncopyable
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ButtonController(ButtonController const &);
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void operator=(ButtonController const &);
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/// pimpl
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class Private;
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Private * d;
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};
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} // namespace frontend
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} // namespace lyx
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#endif // BUTTONCONTROLLER_H
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