File indexing completed on 2024-04-28 11:21:05

 /*
     SPDX-License-Identifier: GPL-2.0-or-later
     SPDX-FileCopyrightText: 2012 Martin Kuettler <martin.kuettler@gmail.com>
 */
 
 
 #ifndef WORKSHEET_TEXT_ITEM_H
 #define WORKSHEET_TEXT_ITEM_H
 
 #include <QGraphicsTextItem>
 #include <QTextDocument>
 #include <QTextCursor>
 
 #include <QMenu>
 #include <KStandardAction>
 
 class Worksheet;
 class WorksheetEntry;
 class WorksheetView;
 class WorksheetCursor;
 
 namespace Cantor {
     class Session;
 }
 
 class QTextCharFormat;
 
 class WorksheetTextItem : public QGraphicsTextItem
 {
   Q_OBJECT
   public:
     enum DoubleClickEventBehaviour {Simple, ImageReplacement};
 
     explicit WorksheetTextItem(WorksheetEntry* parent,
                       Qt::TextInteractionFlags ti = Qt::NoTextInteraction);
     ~WorksheetTextItem() override;
 
     void setCursorPosition(QPointF);
     QPointF cursorPosition() const;
     QTextCursor cursorForPosition(QPointF) const;
     QRectF sceneCursorRect(QTextCursor cursor = QTextCursor()) const;
     QRectF cursorRect(QTextCursor cursor = QTextCursor()) const;
 
     enum {TopLeft, BottomRight, TopCoord, BottomCoord};
     enum {Type = UserType + 100};
 
     int type() const override;
 
     void setFocusAt(int pos = TopLeft, qreal xCoord = 0);
 
     void enableCompletion(bool b);
     void activateCompletion(bool b);
     void setItemDragable(bool b);
     void enableRichText(bool b);
 
     virtual void populateMenu(QMenu*, QPointF);
     QString resolveImages(const QTextCursor&);
 
     bool isEditable();
     void allowEditing();
     void denyEditing();
     void setBackgroundColor(const QColor&);
     const QColor& backgroundColor() const;
     bool richTextEnabled();
     double width() const;
     double height() const;
     virtual qreal setGeometry(qreal x, qreal y, qreal w, bool centered=false);
 
     Worksheet* worksheet();
     WorksheetView* worksheetView();
 
     void clearSelection();
 
     bool isUndoAvailable();
     bool isRedoAvailable();
     bool isCutAvailable();
     bool isCopyAvailable();
     bool isPasteAvailable();
 
     // richtext
     void setTextForegroundColor();
     void setTextBackgroundColor();
     void setTextBold(bool);
     void setTextItalic(bool);
     void setTextUnderline(bool);
     void setTextStrikeOut(bool);
     void setAlignment(Qt::Alignment);
     void setFontFamily(const QString&);
     void setFontSize(int);
 
     QTextCursor search(QString pattern,
                        QTextDocument::FindFlags qt_flags,
                        const WorksheetCursor& pos);
 
     DoubleClickEventBehaviour doubleClickBehaviour();
     void setDoubleClickBehaviour(DoubleClickEventBehaviour);
 
   Q_SIGNALS:
     void moveToPrevious(int pos, qreal xCoord);
     void moveToNext(int pos, qreal xCoord);
     void cursorPositionChanged(QTextCursor);
     void receivedFocus(WorksheetTextItem*);
     void tabPressed();
     void backtabPressed();
     void applyCompletion();
     void doubleClick();
     void execute();
     void deleteEntry();
     void sizeChanged();
     void menuCreated(QMenu*, QPointF);
     void drag(const QPointF&, QPointF);
     void undoAvailable(bool);
     void redoAvailable(bool);
     void cutAvailable(bool);
     void copyAvailable(bool);
     void pasteAvailable(bool);
 
   public Q_SLOTS:
     void insertTab();
     void cut();
     void copy();
     void paste();
     void undo();
     void redo();
     void clipboardChanged();
     void selectionChanged();
     void testSize();
 
   protected:
     void keyPressEvent(QKeyEvent*) override;
     void focusInEvent(QFocusEvent*) override;
     void focusOutEvent(QFocusEvent*) override;
     void mousePressEvent(QGraphicsSceneMouseEvent*) override;
     void mouseReleaseEvent(QGraphicsSceneMouseEvent*) override;
     void mouseDoubleClickEvent(QGraphicsSceneMouseEvent*) override;
     void mouseMoveEvent(QGraphicsSceneMouseEvent*) override;
     void contextMenuEvent(QGraphicsSceneContextMenuEvent*) override;
     void dragEnterEvent(QGraphicsSceneDragDropEvent*) override;
     //void dragLeaveEvent(QGraphicsSceneDragDropEvent*);
     void dragMoveEvent(QGraphicsSceneDragDropEvent*) override;
     void dropEvent(QGraphicsSceneDragDropEvent*) override;
     bool sceneEvent(QEvent*) override;
     void wheelEvent(QGraphicsSceneWheelEvent*) override;
     void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*) override;
 
   private Q_SLOTS:
     //void setHeight();
     void updateRichTextActions(QTextCursor cursor);
 
   private:
     void setLocalCursorPosition(QPointF);
     QPointF localCursorPosition() const;
 
     QKeyEvent* eventForStandardAction(KStandardAction::StandardAction);
     Cantor::Session* session();
 
     // richtext
     void mergeFormatOnWordOrSelection(const QTextCharFormat&);
 
   private:
     QSizeF m_size;
     bool m_completionEnabled{false};
     bool m_completionActive{false};
     bool m_itemDragable{false};
     bool m_richTextEnabled{false};
     QColor m_backgroundColor;
     DoubleClickEventBehaviour m_eventBehaviour{DoubleClickEventBehaviour::ImageReplacement};
 };
 
 #endif // WORKSHEET_TEXT_ITEM_H