From e97a6da57804aa14907dec327fbae71bff9b383e Mon Sep 17 00:00:00 2001
From: jowenn <jowenn>
Date: Sun, 10 Nov 2002 21:08:01 +0000
Subject: import of tiny kate. (saving not possible yet)

---
(limited to 'noncore/apps/tinykate/libkate/ktexteditor')

diff --git a/noncore/apps/tinykate/libkate/ktexteditor/ktexteditor.cpp b/noncore/apps/tinykate/libkate/ktexteditor/ktexteditor.cpp
new file mode 100644
index 0000000..6b4d86d
--- a/dev/null
+++ b/noncore/apps/tinykate/libkate/ktexteditor/ktexteditor.cpp
@@ -0,0 +1,140 @@
+/* This file is part of the KDE project
+   Copyright (C) 2000 Simon Hausmann <hausmann@kde.org>
+   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.
+*/
+
+
+#include "ktexteditor.h"
+
+using namespace KTextEditor;
+
+class View::ViewPrivate
+{
+public:
+  ViewPrivate()
+  {
+  }
+  ~ViewPrivate()
+  {
+  }
+
+  Document *m_doc;
+  bool m_bContextPopup;
+};
+
+View::View( Document *doc, QWidget *parent, const char *name )
+: QWidget( parent, name )
+{
+  d = new ViewPrivate;
+  d->m_doc = doc;
+  d->m_bContextPopup = true;
+}
+
+View::~View()
+{
+  delete d;
+}
+
+Document *View::document() const
+{
+  return d->m_doc;
+}
+
+void View::insertText( const QString &text, bool mark )
+{
+  int line, col;
+  getCursorPosition( &line, &col );
+  document()->insertAt( text, line, col, mark );
+} 
+
+void View::setInternalContextMenuEnabled( bool b )
+{
+  d->m_bContextPopup = b;
+}
+
+bool View::internalContextMenuEnabled() const
+{
+  return d->m_bContextPopup;
+}
+
+class Document::DocumentPrivate
+{
+public:
+  DocumentPrivate()
+  {
+  }
+  ~DocumentPrivate()
+  {
+  }
+
+};
+
+Document::Document( QObject *parent, const char *name )
+ : QObject(parent,name)
+{
+  d = new DocumentPrivate;
+}
+
+Document::~Document()
+{
+  //one never knows...
+  QListIterator<View> it( m_views );
+
+  for (; it.current(); ++it )
+    disconnect( it.current(), SIGNAL( destroyed() ),
+		this, SLOT( slotViewDestroyed() ) );
+
+  delete d;
+}
+
+QList<View> Document::views() const
+{
+  return m_views;
+}
+
+void Document::addView( View *view )
+{
+  if ( !view )
+    return;
+
+  if ( m_views.findRef( view ) != -1 )
+    return;
+
+  m_views.append( view );
+  connect( view, SIGNAL( destroyed() ),
+	   this, SLOT( slotViewDestroyed() ) );
+}
+
+void Document::removeView( View *view )
+{
+  if ( !view )
+    return;
+
+  disconnect( view, SIGNAL( destroyed() ),
+	      this, SLOT( slotViewDestroyed() ) );
+
+  m_views.removeRef( view );
+}
+
+void Document::slotViewDestroyed()
+{
+  const View *view = static_cast<const View *>( sender() );
+  m_views.removeRef( view );
+}
+
+
diff --git a/noncore/apps/tinykate/libkate/ktexteditor/ktexteditor.h b/noncore/apps/tinykate/libkate/ktexteditor/ktexteditor.h
new file mode 100644
index 0000000..595b5d3
--- a/dev/null
+++ b/noncore/apps/tinykate/libkate/ktexteditor/ktexteditor.h
@@ -0,0 +1,239 @@
+/* This file is part of the KDE project
+   Copyright (C) 2000 Simon Hausmann <hausmann@kde.org>
+   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.
+*/
+
+#ifndef __ktexteditor_h__
+#define __ktexteditor_h__
+
+#include <qwidget.h>
+#include <qlist.h>
+
+/**
+ * This is the kparts interface classes for text editors.
+ * The text editors use the Document/View model that allows multiple views into
+ * one file (Document)
+ *
+ * Line numbers passed via this interface must begin at line number zero (0).
+ *
+ * TODO: See documentation at http://??????? for information on how to use kparts in
+ * general. A simple (but sufficient) implementation is shown below.
+ *
+ * <pre>
+ * QHBoxLayout *layout = new QHBoxLayout(this);
+ * QSplitter *fixme = new QSplitter(this);
+ *
+ * KTrader::OfferList offers = KTrader::self()->query( "KTextEditor/Document" );
+ * assert( offers.count() >= 1 );
+ * KService::Ptr service = *offers.begin();
+ * KLibFactory *factory = KLibLoader::self()->factory( service->library() );
+ * assert( factory );
+ * m_part = static_cast<KTextEditor::Document *>(
+ * 						factory->create( this, 0, "KTextEditor::Document" ) );
+ * assert( m_part );
+ * m_part->createView( fixme, 0 );
+ * layout->addWidget(fixme);
+ * m_part->setText( "" );
+ * </pre>
+ *
+ * You may also be able to use a dynamic_cast for the document part above
+ * (depending on compliation of the library used)
+ *
+ */
+
+namespace KTextEditor
+{
+
+class Document;
+
+/**
+ * The View class encapsulates a single view into the document.
+ */
+
+class View : public QWidget
+{
+  Q_OBJECT
+		
+public:
+  /**
+   * Create a new view to the given document. The document must be non-null.
+   */
+  View( Document *doc, QWidget *parent, const char *name = 0 );
+  virtual ~View();
+
+  /**
+   * Acessor to the parent Document.
+   */
+  virtual Document *document() const; // XXX fix when renaming KXMLGUIClient::document
+
+  virtual void setCursorPosition( int line, int col, bool mark = false ) = 0;
+  virtual void getCursorPosition( int *line, int *col ) = 0;
+
+  /**
+   *  Inserts text at the current cursor position into the document
+   */
+  virtual void insertText( const QString &text, bool mark = false );
+
+  /**
+   * Overwrite mode is where the char under the cursor is replaced with the
+   * char typed by the user
+   */
+  virtual bool isOverwriteMode() const = 0;
+
+  /**
+   * You should reimplement this method.
+   * If the internal popupmenu property is enabled, then the implementation
+   * is free to handle/use/implement/show a context popupmenu ( see also
+   * KContextMenuManager class in kdeui ). If disabled, then the
+   * implementation should emit the @ref contextPopupMenu signal.
+   */
+  virtual void setInternalContextMenuEnabled( bool b );
+  virtual bool internalContextMenuEnabled() const;
+
+public slots:
+  virtual void setOverwriteMode( bool b ) = 0;
+
+signals:
+  /**
+   * Connect here when you want to implement a custom popup menu.
+   */
+  void contextPopupMenu( const QPoint &p );
+
+  /**
+   * Connect here if you want to track the scrolling within the editor. This
+   * allows you to add specialised borders that displays extra data about
+   * particular lines such as breakpoints etc.
+   */
+  void scrollValueChanged( int value );
+  
+private:
+  class ViewPrivate;
+  ViewPrivate *d;
+};
+
+class Document : public QObject
+{
+  Q_OBJECT
+public:
+  Document( QObject *parent = 0, const char *name = 0 );
+  virtual ~Document();
+
+  /**
+   * Create a view that will display the document data. You can create as many
+   * views as you like. When the user modifies data in one view then all other
+   * views will be updated as well.
+   */
+  virtual View *createView( QWidget *parent, const char *name = 0 ) = 0;
+
+  /*
+   * Accessor to the list of views.
+   */
+  virtual QList<View> views() const;
+
+  /**
+   * @return All the text from the requested line.
+   */
+  virtual QString textLine( int line ) const = 0;
+
+  virtual void setSelection( int row_from, int col_from, int row_to, int col_t ) = 0;
+  virtual bool hasSelection() const = 0;
+  virtual QString selection() const = 0;
+
+  /**
+   * @return The current number of lines in the document
+   */
+  virtual int numLines() const = 0;
+
+  /**
+   * Insert line(s) at the given line number. If the line number is -1
+   * (the default) then the line is added to end of the document
+   */
+  virtual void insertLine( const QString &s, int line = -1 ) = 0;
+
+  /**
+   * Add the line(s) into the document at the given line and column.
+   */
+  virtual void insertAt( const QString &s, int line, int col, bool mark = FALSE ) = 0;
+
+  virtual void removeLine( int line ) = 0;
+
+  /**
+   * @return the complete document as a single QString
+   */
+  virtual QString text() const = 0;
+
+  /**
+   * @return the number of characters in the document
+   */
+  virtual int length() const = 0;
+
+public slots:
+  /**
+   * Set the given text into the view.
+   * Warning: This will overwrite any data currently held in this view.
+   */
+  virtual void setText( const QString &t ) = 0;
+
+signals:
+
+  /**
+   * When the user changes the text then this signal is emitted
+   * TODO: - explain why and what type of change trigger this?
+   */
+  void textChanged();
+
+  /**
+   */
+  void deleted( int startLine, int endLine );
+  
+  /**
+   */
+  void inserted( int startLine, int endLine );
+
+protected:
+  /**
+   * Call this method in your document implementation whenever you created a new
+   * view.
+   * (like in @ref createView )
+   */
+  virtual void addView( View *view );
+
+  /**
+   * Call this method in your document implementation whenever you delete a view.
+   */
+  virtual void removeView( View *view );
+
+  QList<View> m_views;
+
+private slots:
+		
+  /**
+   * The view emits a destroyed() signal which is connected to this slot
+   * and removed from our internal list. Note: The view* is obtained from
+   * the QObject::sender() method.
+   */
+  void slotViewDestroyed();
+
+private:
+  class DocumentPrivate;
+  DocumentPrivate *d;
+};
+
+};
+
+#endif
--
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