Get rid of the static_casts.

[lyx.git] / src / frontends / qt2 / Qt2Base.h

diff --git a/src/frontends/qt2/Qt2Base.h b/src/frontends/qt2/Qt2Base.h
index e3087690b9dd884568e9a98186ecddb7446ba99e..027911319f1485e35a55388626eaaa2055a9b2ed 100644 (file)
--- a/src/frontends/qt2/Qt2Base.h
+++ b/src/frontends/qt2/Qt2Base.h
@@ -1,132 +1,181 @@
 // -*- C++ -*-
-/* This file is part of
- * ======================================================
+/**
+ * \file Qt2Base.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- *           LyX, The Document Processor
+ * \author Angus Leeming
  *
- *           Copyright 2000 The LyX Team.
- *
- * ======================================================
- *
- * \author Angus Leeming <a.leeming@ic.ac.uk>
+ * Full author contact details are available in file CREDITS
  */
 
 #ifndef QT2BASE_H
 #define QT2BASE_H
 
-class QDialog;
+
+#include "ViewBase.h"
+#include <boost/scoped_ptr.hpp>
 
 #include <qfont.h>
+#include <qdialog.h>
 #include <qobject.h>
+#include <qapplication.h>
 
-#include <boost/smart_ptr.hpp>
-
-#ifdef __GNUG__
-#pragma interface
-#endif
-
-#include "ViewBase.h"
-#include "LString.h"
-#include "ButtonPolicies.h"
-
-class qt2BC;
+class Qt2BC;
 
 /** This class is an Qt2 GUI base class.
  */
-class Qt2Base : public QObject, public ViewBC<qt2BC>
-{
-    Q_OBJECT
+class Qt2Base : public QObject, public ViewBase {
+       Q_OBJECT
 public:
        ///
-       Qt2Base(ControlBase &, string const &);
+       Qt2Base(string const &);
        ///
        virtual ~Qt2Base() {}
-
 protected:
-       /// Build the dialog
-       virtual void build() = 0;
+       /// build the actual dialog
+       virtual void build_dialog() = 0;
        /// Hide the dialog.
-       void hide();
+       virtual void hide();
        /// Create the dialog if necessary, update it and display it.
-       void show();
+       virtual void show();
+       /// update the dialog's contents
+       virtual void update_contents() = 0;
+       ///
+       virtual bool isVisible() const;
 
-protected slots:
-    // dialog closed from WM
-    void slotWMHide();
+       /// the dialog has changed contents
+       virtual void changed();
 
-    // Apply button clicked
-    void slotApply();
+       /// is the dialog currently valid ?
+       virtual bool isValid();
 
-    // OK button clicked
-    void slotOK();
+       ///
+       Qt2BC & bcview();
+
+       /// are we updating ?
+       bool updating_;
+protected slots:
+       // dialog closed from WM
+       void slotWMHide();
 
-    // Cancel button clicked
-    void slotCancel();
+       // Restore button clicked
+       void slotRestore();
 
-    // Restore button clicked
-    void slotRestore();
+       // OK button clicked
+       void slotOK();
 
-private:
-       /// Pointer to the actual instantiation of xform's form
-       virtual QDialog* form() const = 0;
-       /** Filter the inputs on callback from xforms
-           Return true if inputs are valid. */
-       virtual ButtonPolicy::SMInput input(QWidget*, long);
+       // Apply button clicked
+       void slotApply();
 
+       // Close button clicked
+       void slotClose();
 private:
-       /// dialog title, displayed by WM.
-       string title_;
+       /// Pointer to the actual instantiation of the Qt dialog
+       virtual QDialog * form() const = 0;
 };
 
 
 template <class Dialog>
-class Qt2DB: public Qt2Base
-{
+class Qt2DB: public Qt2Base {
 protected:
-       ///
-       Qt2DB(ControlBase &, string const &);
+       Qt2DB(string const &);
+
+       /// update the dialog
+       virtual void update();
+
+       /// Build the dialog
+       virtual void build();
+
        /// Pointer to the actual instantiation of the Qt dialog
-       virtual QDialog* form() const;
+       virtual QDialog * form() const;
+
        /// Real GUI implementation.
        boost::scoped_ptr<Dialog> dialog_;
+
 };
 
 
 template <class Dialog>
-Qt2DB<Dialog>::Qt2DB(ControlBase & c, string const & t)
-       : Qt2Base(c, t)
+Qt2DB<Dialog>::Qt2DB(string const & t)
+       : Qt2Base(t)
 {}
 
 
 template <class Dialog>
-QDialog* Qt2DB<Dialog>::form() const
+QDialog * Qt2DB<Dialog>::form() const
 {
-    return dialog_.get();
+       return dialog_.get();
+}
+
+
+template <class Dialog>
+void Qt2DB<Dialog>::update()
+{
+       form()->setUpdatesEnabled(false);
+
+       // protect the BC from unwarranted state transitions
+
+       qApp->processEvents();
+       updating_ = true;
+       update_contents();
+       qApp->processEvents();
+       updating_ = false;
+
+       form()->setUpdatesEnabled(true);
+       form()->update();
+}
+
+
+template <class Dialog>
+void Qt2DB<Dialog>::build()
+{
+       // protect the BC from unwarranted state transitions
+
+       qApp->processEvents();
+       updating_ = true;
+       build_dialog();
+       qApp->processEvents();
+       updating_ = false;
 }
 
 
 template <class Controller, class Base>
 class Qt2CB: public Base
 {
+public:
+       bool readOnly() const {
+               return controller().bufferIsReadonly();
+       }
+
+       /// The parent controller
+       Controller & controller();
+       /// The parent controller
+       Controller const & controller() const;
+
 protected:
        ///
-       Qt2CB(ControlBase &, string const &);
-       /// The parent controller
-       Controller & controller() const;
+       Qt2CB(string const &);
 };
 
 
 template <class Controller, class Base>
-Qt2CB<Controller, Base>::Qt2CB(ControlBase & c, string const & t)
-       : Base(c, t)
+Qt2CB<Controller, Base>::Qt2CB(string const & t)
+       : Base(t)
 {}
 
 
 template <class Controller, class Base>
-Controller & Qt2CB<Controller, Base>::controller() const
+Controller & Qt2CB<Controller, Base>::controller()
+{
+       return static_cast<Controller &>(getController());
+}
+
+
+template <class Controller, class Base>
+Controller const & Qt2CB<Controller, Base>::controller() const
 {
-       return static_cast<Controller &>(controller_);
-       //return dynamic_cast<Controller &>(controller_);
+       return static_cast<Controller const &>(getController());
 }