1 files changed, 114 insertions, 0 deletions

diff --git a/noncore/apps/tinykate/libkate/view/kateundohistory.h b/noncore/apps/tinykate/libkate/view/kateundohistory.h
new file mode 100644
index 0000000..eb91af9
--- a/dev/null
+++ b/noncore/apps/tinykate/libkate/view/kateundohistory.h
@@ -0,0 +1,114 @@
+/*
+  Copyright (C) 1999 Glen Parker <glenebob@nwlink.com>
+  Copyright (C) 2002 Joseph Wenninger <jowenn@kde.org>
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Library General Public
+  License as published by the Free Software Foundation; either
+  version 2 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Library General Public License for more details.
+
+  You should have received a copy of the GNU Library General Public License
+  along with this library; see the file COPYING.LIB.  If not, write to
+  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+  Boston, MA 02111-1307, USA.
+
+  --------------------------------------------------------------------
+
+  This implements a dialog used to display and control undo/redo history.
+  It uses a specialized QListBox subclass to provide a selection mechanism
+  that will:
+  1) always have the first item selected, and
+  2) maintain a contiguous multiple selection
+*/
+
+#ifndef __undohistory_h_
+#define __undohistory_h_
+
+#include <qdialog.h>
+#include <qlistbox.h>
+
+#include "kateview.h"
+
+class UndoListBox;
+
+// the dialog class that provides the interface to the user
+class UndoHistory : public QDialog
+{
+  Q_OBJECT
+
+  public:
+    /**
+      Constructed just like a regular QDialog
+    */
+    UndoHistory(KateView*, QWidget *parent=0, const char *name=0, bool modal=FALSE, WFlags f=0);
+    virtual ~UndoHistory();
+
+  public slots:
+    /**
+      This should be called whenever a change occurs in the undo/redo list.
+      Causes the dialog to update its interface.
+    */
+    void newUndo();
+
+  signals:
+    /**
+      Emitted when the user hits the Undo button.  Specifies the number of
+      operations to undo.
+    */
+    void undo(int);
+    /**
+      Emitted when the user hits the Redo button.  Specifies the number of
+      undone operations to redo.
+    */
+    void redo(int);
+
+  protected:
+    KateView        *kWrite;
+
+    UndoListBox   *lbUndo,
+                  *lbRedo;
+    QPushButton   *btnUndo,
+                  *btnRedo;
+
+  protected slots:
+    void slotUndo();
+    void slotRedo();
+    void slotUndoSelChanged(int);
+    void slotRedoSelChanged(int);
+
+};
+
+// listbox class used to provide contiguous, 0-based selection
+// this is used internally
+class UndoListBox : public QListBox
+{
+  Q_OBJECT
+
+  public:
+    UndoListBox(QWidget * parent=0, const char * name=0, WFlags f=0);
+    virtual ~UndoListBox();
+
+    int selCount();
+    void setSelCount(int count);
+
+    void insertItem (const QString &text, int index = -1);
+    void removeItem (int index);
+    void clear();
+
+  protected:
+    int   _selCount;
+
+  signals:
+    void sigSelected(int);
+
+  protected slots:
+    void _slotSelectionChanged();
+
+};
+
+#endif