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c293be56bd
In particular, the directory frontends/qt4 is renamed to frontends/qt. Many configurations file have to be updated. All mentions of qt4 in the source have been audited, and changed to qt if necessary. The only part that has not been updated is the CMake build system.
130 lines
3.2 KiB
C++
130 lines
3.2 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. \param default_button determines
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/// the default button of the dialog (bound to return). This is
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/// OK by default.
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void setOK(QPushButton * obj, bool const default_button = true);
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void setApply(QPushButton * obj, bool const default_button = false);
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void setCancel(QPushButton * obj, bool const default_button = false);
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void setRestore(QPushButton * obj, bool const default_button = false);
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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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