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148 lines
4.7 KiB
C++
148 lines
4.7 KiB
C++
/*
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Copyright 2006-2025 The QElectroTech Team
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This file is part of QElectroTech.
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QElectroTech is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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QElectroTech 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef TITLEBLOCK_SLASH_TEMPLATE_VIEW_H
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#define TITLEBLOCK_SLASH_TEMPLATE_VIEW_H
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#include "../titleblocktemplate.h"
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#include <QGraphicsView>
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class HelperCell;
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class SplittedHelperCell;
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class TitleBlockTemplateCommand;
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class TitleBlockTemplateCellsSet;
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/**
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This QGraphicsView subclass is used in the title block template editor to
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offer a graphical preview of the template being edited, but also to handle
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cell selection and various actions.
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*/
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class TitleBlockTemplateView : public QGraphicsView {
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Q_OBJECT
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// constructors, destructor
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public:
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TitleBlockTemplateView(QWidget * = nullptr);
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TitleBlockTemplateView(QGraphicsScene *,
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QWidget * = nullptr);
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~TitleBlockTemplateView() override;
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private:
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TitleBlockTemplateView(const TitleBlockTemplateView &);
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// methods and slots
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public:
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TitleBlockTemplate *titleBlockTemplate() const;
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virtual QList<TitleBlockCell *> selectedCells() const;
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virtual TitleBlockTemplateCellsSet selectedCellsSet() const;
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virtual TitleBlockTemplateCellsSet cells(const QRectF &) const;
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virtual void analyzeSelectedCells(bool *, bool *, int *);
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virtual QSizeF templateSize() const;
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virtual qreal templateWidth() const;
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virtual qreal templateHeight() const;
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public slots:
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void setTitleBlockTemplate(TitleBlockTemplate *);
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void selectionChanged();
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void zoomIn();
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void zoomOut();
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void zoomFit();
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void zoomReset();
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QList<TitleBlockCell *> cut();
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QList<TitleBlockCell *> copy();
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bool mayPaste();
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QList<TitleBlockCell> pastedCells();
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void paste();
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void addColumnAtEnd();
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void addRowAtEnd();
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void addColumnBefore();
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void addRowBefore();
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void addColumnAfter();
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void addRowAfter();
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void editColumn(HelperCell * = nullptr);
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void editRow(HelperCell * = nullptr);
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void deleteColumn();
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void deleteRow();
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void mergeSelectedCells();
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void splitSelectedCell();
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void refresh();
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void changePreviewWidth();
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void setPreviewWidth(int);
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void updateLayout();
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void rowsDimensionsChanged();
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void columnsDimensionsChanged();
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void updateDisplayedMinMaxWidth();
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void setReadOnly(bool);
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protected slots:
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virtual void applyColumnsWidths(bool = true);
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virtual void applyRowsHeights(bool = true);
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virtual void updateRowsHelperCells();
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virtual void updateColumnsHelperCells();
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protected:
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void drawBackground(QPainter *, const QRectF &) override;
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virtual void addCells();
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virtual void loadTemplate(TitleBlockTemplate *);
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virtual void init();
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void wheelEvent(QWheelEvent *) override;
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virtual qreal zoomFactor() const;
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virtual void fillWithEmptyCells();
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bool event(QEvent *) override;
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virtual void normalizeCells(
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QList<TitleBlockCell> &, int x = 0, int y = 0) const;
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signals:
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void selectedCellsChanged(QList<TitleBlockCell *>);
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void gridModificationRequested(TitleBlockTemplateCommand *);
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void previewWidthChanged(int, int);
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private:
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QList<QAction *> rowsActions() const;
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QList<QAction *> columnsActions() const;
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void updateTotalWidthLabel();
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void requestGridModification(TitleBlockTemplateCommand *);
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int lastContextMenuCellIndex() const;
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int indexOf(QGraphicsLayoutItem *);
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void removeItem(QGraphicsLayoutItem *);
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TitleBlockTemplateCellsSet makeCellsSetFromGraphicsItems(
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const QList<QGraphicsItem *> &) const;
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QString makePrettyToolTip(const QString &);
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private slots:
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void updateLastContextMenuCell(HelperCell *);
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void adjustSceneRect();
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// attributes
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private:
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TitleBlockTemplate *tbtemplate_;
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QGraphicsGridLayout *tbgrid_;
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QGraphicsWidget *form_;
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int preview_width_;
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SplittedHelperCell *total_width_helper_cell_;
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HelperCell *extra_cells_width_helper_cell_;
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QAction *add_column_before_, *add_row_before_;
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QAction *add_column_after_, *add_row_after_;
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QAction *edit_column_dim_, *edit_row_dim_;
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QAction *delete_column_, *delete_row_;
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QAction *change_preview_width_;
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HelperCell *last_context_menu_cell_;
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int apply_columns_widths_count_;
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int apply_rows_heights_count_;
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bool first_activation_; ///< Boolean used to detect the first display of this widget
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bool read_only_; ///< Boolean stating whether this view allows template edition
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};
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#endif
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