Added old abandoned KDE3 version of koffice

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1077364 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 189 insertions, 0 deletions

diff --git a/lib/kformula/kformulaview.h b/lib/kformula/kformulaview.h
new file mode 100644
index 00000000..f93b491f
--- /dev/null
+++ b/lib/kformula/kformulaview.h
@@ -0,0 +1,189 @@
+/* This file is part of the KDE project
+   Copyright (C) 2001 Andrea Rizzi <rizzi@kde.org>
+	              Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de>
+
+   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., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+
+#ifndef KFORMULAVIEW_H
+#define KFORMULAVIEW_H
+
+#include <qevent.h>
+#include <qobject.h>
+#include <qrect.h>
+
+#include "kformuladefs.h"
+#include "contextstyle.h"
+
+class QColorGroup;
+
+KFORMULA_NAMESPACE_BEGIN
+
+class BasicElement;
+class FormulaCursor;
+class FormulaElement;
+class Container;
+
+
+/**
+ * The view that shows the formula. Its main purpose is to handle
+ * the cursor. There are methods
+ * to move the cursor around. To edit the formula use the document.
+ *
+ * The view is meant to be easy embeddable into a widget or
+ * to be used alone if there is a bigger widget the formula
+ * is to be drawn into.
+ */
+class KOFORMULA_EXPORT View : public QObject {
+    Q_OBJECT
+
+public:
+
+    View(Container*);
+    virtual ~View();
+
+    /**
+     * @returns the point inside the formula view where the cursor is.
+     */
+    QPoint getCursorPoint() const;
+
+    /**
+     * Puts the widget in read only mode.
+     */
+    void setReadOnly(bool ro);
+
+    void mousePressEvent(QMouseEvent* event);
+    void mouseReleaseEvent(QMouseEvent* event);
+    void mouseDoubleClickEvent(QMouseEvent* event);
+    void mouseMoveEvent(QMouseEvent* event);
+    void wheelEvent(QWheelEvent* event);
+
+    // the mouse event happened at a certain point
+    void mousePressEvent( QMouseEvent* event, const PtPoint& pos );
+    void mouseReleaseEvent( QMouseEvent* event, const PtPoint& pos );
+    void mouseDoubleClickEvent( QMouseEvent* event, const PtPoint& pos );
+    void mouseMoveEvent( QMouseEvent* event, const PtPoint& pos );
+    void wheelEvent( QWheelEvent* event, const PtPoint& pos );
+
+    // the mouse event happened at a certain point
+    void mousePressEvent( QMouseEvent* event, const LuPixelPoint& pos );
+    void mouseReleaseEvent( QMouseEvent* event, const LuPixelPoint& pos );
+    void mouseDoubleClickEvent( QMouseEvent* event, const LuPixelPoint& pos );
+    void mouseMoveEvent( QMouseEvent* event, const LuPixelPoint& pos );
+    void wheelEvent( QWheelEvent* event, const LuPixelPoint& pos );
+
+    void keyPressEvent(QKeyEvent* event);
+    virtual void focusInEvent(QFocusEvent* event);
+    virtual void focusOutEvent(QFocusEvent* event);
+
+    void calcCursor();
+
+    void draw(QPainter& painter, const QRect& rect, const QColorGroup& cg);
+    void draw(QPainter& painter, const QRect& rect);
+
+    /**
+     * The document we show.
+     */
+    virtual Container* getDocument() const { return container(); }
+
+    /**
+     * Our cursor.
+     */
+    FormulaCursor* getCursor() const { return cursor(); }
+
+    void setSmallCursor(bool small);
+
+    // simple cursor movement.
+
+    void moveLeft( int flag = NormalMovement );
+    void moveRight( int flag = NormalMovement );
+    void moveUp( int flag = NormalMovement );
+    void moveDown( int flag = NormalMovement );
+
+    void moveHome( int flag = NormalMovement );
+    void moveEnd( int flag = NormalMovement );
+
+    /** @returns whether the cursor is at the first position. */
+    bool isHome() const;
+
+    /** @returns whether the cursor is at the last position. */
+    bool isEnd() const;
+
+    void eraseSelection( Direction direction = beforeCursor );
+    void addText( QString str );
+
+signals:
+
+    /**
+     * Is emitted every time the cursor might have changed.
+     */
+    void cursorChanged(bool visible, bool selecting);
+
+public slots:
+
+    void slotSelectAll();
+
+protected slots:
+
+    /**
+     * The cursor has been moved by the container.
+     * We need to repaint if it was ours.
+     */
+    void slotCursorMoved(FormulaCursor* cursor);
+
+    /**
+     * A new formula has been loaded.
+     */
+    void slotFormulaLoaded(FormulaElement*);
+
+    /**
+     * There is an element that will disappear from the tree.
+     * our cursor must not be inside it.
+     */
+    void slotElementWillVanish(BasicElement*);
+    
+    /**
+     * Tell the cursor to change its visibility status
+     */
+    void slotBlinkCursor();
+
+protected:
+
+    virtual bool cursorVisible();
+
+private:
+
+    /**
+     * Tell everybody that our cursor has changed if so.
+     */
+    void emitCursorChanged();
+
+    bool& cursorHasChanged();
+    bool& smallCursor();
+    bool& activeCursor();
+    Container* container() const;
+    void startCursorTimer();
+    void stopCursorTimer();
+    const ContextStyle& contextStyle() const;
+    FormulaCursor* cursor() const;
+
+    struct View_Impl;
+    View_Impl* impl;
+};
+
+KFORMULA_NAMESPACE_END
+
+#endif // KFORMULAVIEW_H