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/*
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, version 2.1 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not,
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* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".
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*
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* Description:
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*
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*/
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#ifndef __EDITOR_WIDGET_H__
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#define __EDITOR_WIDGET_H__
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#include "ActionButton.h"
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#include "NativeChromeItem.h"
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#include <QGraphicsTextItem>
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#include <QGraphicsWidget>
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#include <QtGui>
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namespace GVA {
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class ChromeSnippet;
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class ChromeWidget;
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class GTextLineItem : public QGraphicsTextItem
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{
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Q_OBJECT
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public:
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GTextLineItem(QGraphicsItem * parent);
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virtual ~GTextLineItem();
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qreal cursorX();
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qreal anchorX();
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QRectF selectionRectF();
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void setText(const QString & text);
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void setMaxTextLength(int length);
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void selectAll();
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void unselect();
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qreal textWidth();
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void setCursorPosition(int pos);
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bool hasSelection() { return (cursorX()!= anchorX()); }
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Qt::InputMethodHints inputMethodHints() const { return m_hints; }
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void setInputMethodHints(Qt::InputMethodHints hints);
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void setSpecificButton(QString& commitString, QString& buttonIconPath);
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protected:
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virtual void paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget);
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virtual void keyPressEvent(QKeyEvent * event);
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virtual void keyReleaseEvent(QKeyEvent * event);
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virtual void mouseMoveEvent(QGraphicsSceneMouseEvent * event);
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virtual void mousePressEvent(QGraphicsSceneMouseEvent * event);
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virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent * event);
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virtual void focusInEvent(QFocusEvent * event);
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virtual void focusOutEvent(QFocusEvent * event);
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virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
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private slots:
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void contentsChange(int position, int charsRemoved, int charsAdded);
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void specificBtnTriggered(bool checked);
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signals:
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void cursorXChanged(qreal newx);
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void textMayChanged();
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void focusChanged(bool focusIn);
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void tapped(QPointF& pos);
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private:
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QTextLine m_textLine;
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int m_defaultStartDragDistance;
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int m_maxTextLength;
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Qt::InputMethodHints m_hints;
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bool m_setSpecificBtn;
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QString m_spBtnCommitString;
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QString m_spBtnIconPath;
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};
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class GLineEditor : public QGraphicsWidget
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{
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Q_OBJECT
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public:
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GLineEditor(ChromeSnippet * snippet, ChromeWidget * chrome, QGraphicsItem * parent = 0);
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virtual ~GLineEditor();
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void selectAll() { m_editor->selectAll(); }
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void unselect() { m_editor->unselect(); }
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void setTextColor(QColor & color);
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void setBackgroundColor(QColor & color) {m_backgroundColor = color;}
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void setPadding(qreal padding);
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void setRightTextMargin(qreal margin);
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QString text() const;
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void updateEditor();
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bool tappedOnText(qreal x) const;
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void grabFocus() { m_editor->setFocus(); }
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void removeFocus() { m_editor->clearFocus(); }
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void setCursorPosition (int pos) { m_editor->setCursorPosition(pos); }
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void shiftToLeftEnd() { setCursorPosition(0); }
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int characterCount() { return m_editor->document()->characterCount(); }
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bool hasSelection() { return m_editor->hasSelection(); }
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Qt::InputMethodHints inputMethodHints() { return m_editor->inputMethodHints(); }
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// Calling this function will overwrite the existing hints
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void setInputMethodHints(Qt::InputMethodHints hints) { m_editor->setInputMethodHints(hints); }
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void setMaxTextLength(int length) { m_editor->setMaxTextLength(length); }
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void setSpecificButton(QString commitString, QString buttonIcon) { m_editor->setSpecificButton(commitString, buttonIcon);}
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protected:
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virtual bool eventFilter(QObject * object, QEvent * event);
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virtual void paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget);
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virtual void resizeEvent(QGraphicsSceneResizeEvent * event);
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signals:
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void activated();
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void textMayChanged();
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void focusChanged(bool focusIn);
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void tapped(QPointF& pos);
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private slots:
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void makeVisible(qreal cursorX);
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public slots:
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void setText(const QString & text);
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private:
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void internalScroll(qreal deltaX);
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protected:
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ChromeWidget * m_chrome;
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// Cached values used for painting and scrolling.
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qreal m_viewPortWidth;
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qreal m_viewPortHeight;
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// At runtime, UrlSearchSnippet is parent to a QGraphicsWidget
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// (m_viewPort) that is parent to a UrlEditorWidget (m_editor).
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QGraphicsWidget * m_viewPort;
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GTextLineItem * m_editor;
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// Attributes
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QString m_text;
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QColor m_textColor;
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QColor m_backgroundColor;
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qreal m_padding;
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//TODO: add left margin too
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qreal m_rightTextMargin;
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};
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class GTextEditor : public GLineEditor
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{
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Q_OBJECT
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public:
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GTextEditor(ChromeSnippet * snippet, ChromeWidget * chrome, QGraphicsItem * parent = 0);
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virtual ~GTextEditor();
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void setBorderColor(QColor & color) { m_borderColor = color; }
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protected:
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virtual void paintBorder(QPainter * painter);
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virtual void paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget);
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private:
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QColor m_borderColor;
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};
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class GProgressEditor : public GTextEditor
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{
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Q_OBJECT
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public:
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GProgressEditor(ChromeSnippet * snippet, ChromeWidget * chrome, QGraphicsItem * parent = 0);
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virtual ~GProgressEditor();
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void setProgressColor(QColor & color) { m_progressColor = color; }
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public slots:
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void setProgress(int percent);
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protected:
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virtual void paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget);
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private:
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int m_percent;
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QColor m_progressColor;
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};
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class TextEditItem : public NativeChromeItem
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{
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Q_OBJECT
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public:
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TextEditItem(ChromeSnippet * snippet, ChromeWidget * chrome, QGraphicsItem * parent = 0);
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virtual ~TextEditItem();
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GTextEditor * editor() { return m_textEditor; }
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QString text() { return m_textEditor->text(); }
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void setText(const QString & text){ m_textEditor->setText(text); }
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int characterCount() { return m_textEditor->characterCount(); }
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void setCursorPosition(int pos) { m_textEditor->setCursorPosition(pos); }
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void selectAll() { m_textEditor->selectAll(); }
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void unselect() { m_textEditor->unselect(); }
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int getTextOptions() { return (int) m_textEditor->inputMethodHints(); }
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// Calling this function will overwrite the existing options
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void setTextOptions (int flag);
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void setMaxTextLength(int length) { m_textEditor->setMaxTextLength(length); }
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private slots:
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void tapped(QPointF&);
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void focusChanged(bool focusIn);
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protected:
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virtual void resizeEvent(QGraphicsSceneResizeEvent * ev);
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private:
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GTextEditor * m_textEditor;
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bool m_justFocusIn;
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};
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} // namespace GVA
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#endif // __EDITOR_WIDGET_H__
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