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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8766 a592a061-630c-0410-9148-cb99ea01b6c8
185 lines
3.4 KiB
C++
185 lines
3.4 KiB
C++
// -*- C++ -*-
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/**
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* \file QDialogView.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 Angus Leeming
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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 QDIALOGVIEW_H
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#define QDIALOGVIEW_H
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#include "Dialog.h"
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#include <boost/scoped_ptr.hpp>
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#include <qapplication.h>
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#include <qdialog.h>
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#include <qobject.h>
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namespace lyx {
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namespace frontend {
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class Qt2BC;
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/** This class is an Qt2 GUI base class.
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*/
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class QDialogView : public QObject, public Dialog::View {
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Q_OBJECT
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public:
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///
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QDialogView(Dialog &, std::string const &);
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///
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virtual ~QDialogView() {}
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///
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bool readOnly() const;
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protected:
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/// build the actual dialog
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virtual void build_dialog() = 0;
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///
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virtual void build() = 0;
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/// Hide the dialog.
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virtual void hide();
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/// Create the dialog if necessary, update it and display it.
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virtual void show();
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/// update the dialog's contents
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virtual void update_contents() = 0;
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///
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virtual bool isVisible() const;
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/// the dialog has changed contents
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virtual void changed();
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/// is the dialog currently valid ?
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virtual bool isValid();
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///
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Qt2BC & bcview();
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/// are we updating ?
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bool updating_;
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protected slots:
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// dialog closed from WM
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void slotWMHide();
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// Restore button clicked
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void slotRestore();
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// OK button clicked
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void slotOK();
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// Apply button clicked
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void slotApply();
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// Close button clicked
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void slotClose();
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private:
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/// Pointer to the actual instantiation of the Qt dialog
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virtual QDialog * form() const = 0;
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};
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template <class GUIDialog>
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class QView: public QDialogView {
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protected:
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QView(Dialog &, std::string const &);
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/// update the dialog
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virtual void update();
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/// Build the dialog
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virtual void build();
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/// Pointer to the actual instantiation of the Qt dialog
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virtual QDialog * form() const;
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/// Real GUI implementation.
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boost::scoped_ptr<GUIDialog> dialog_;
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};
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template <class GUIDialog>
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QView<GUIDialog>::QView(Dialog & p, std::string const & t)
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: QDialogView(p, t)
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{}
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template <class GUIDialog>
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QDialog * QView<GUIDialog>::form() const
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{
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return dialog_.get();
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}
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template <class GUIDialog>
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void QView<GUIDialog>::update()
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{
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form()->setUpdatesEnabled(false);
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// protect the BC from unwarranted state transitions
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qApp->processEvents();
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updating_ = true;
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update_contents();
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qApp->processEvents();
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updating_ = false;
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form()->setUpdatesEnabled(true);
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form()->update();
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}
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template <class GUIDialog>
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void QView<GUIDialog>::build()
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{
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// protect the BC from unwarranted state transitions
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qApp->processEvents();
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updating_ = true;
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build_dialog();
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qApp->processEvents();
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updating_ = false;
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}
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template <class Controller, class Base>
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class QController: public Base
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{
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protected:
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///
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QController(Dialog &, std::string const &);
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public:
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/// The parent controller
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Controller & controller();
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/// The parent controller
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Controller const & controller() const;
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};
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template <class Controller, class Base>
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QController<Controller, Base>::QController(Dialog & p, std::string const & t)
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: Base(p, t)
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{}
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template <class Controller, class Base>
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Controller & QController<Controller, Base>::controller()
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{
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return static_cast<Controller &>(this->getController());
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}
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template <class Controller, class Base>
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Controller const & QController<Controller, Base>::controller() const
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{
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return static_cast<Controller const &>(this->getController());
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}
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} // namespace frontend
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} // namespace lyx
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#endif // QDIALOGVIEW_H
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