Diffstat (limited to 'noncore/apps/tinykate/libkate/view/kateundohistory.h') (more/less context) (show whitespace changes)
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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 |