Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 479 insertions, 0 deletions

diff --git a/svtools/source/table/tablecontrol_impl.hxx b/svtools/source/table/tablecontrol_impl.hxx
new file mode 100644
index 000000000..727dea92b
--- /dev/null
+++ b/svtools/source/table/tablecontrol_impl.hxx
@@ -0,0 +1,479 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <table/tablemodel.hxx>
+#include <table/tablecontrolinterface.hxx>
+
+#include <vcl/svtaccessiblefactory.hxx>
+#include <vcl/accessibletable.hxx>
+
+#include <vcl/seleng.hxx>
+
+#include <vector>
+
+class ScrollBar;
+class ScrollBarBox;
+
+namespace svt::table
+{
+    struct MutableColumnMetrics : public ColumnMetrics
+    {
+        MutableColumnMetrics()
+            :ColumnMetrics()
+        {
+        }
+
+        MutableColumnMetrics( tools::Long const i_startPixel, tools::Long const i_endPixel )
+            :ColumnMetrics( i_startPixel, i_endPixel )
+        {
+        }
+
+        tools::Long getStart() const { return nStartPixel; }
+        tools::Long getEnd() const { return nEndPixel; }
+
+        void move( tools::Long const i_offset ) { nStartPixel += i_offset; nEndPixel += i_offset; }
+
+        tools::Long getWidth() const { return nEndPixel - nStartPixel; }
+    };
+
+    struct ColumnInfoPositionLess
+    {
+        bool operator()( MutableColumnMetrics const& i_lhs, MutableColumnMetrics const& i_rhs )
+        {
+            return i_lhs.getEnd() < i_rhs.getStart();
+        }
+    };
+
+    typedef ::std::vector< MutableColumnMetrics >    ColumnPositions;
+
+    class TableControl;
+    class TableDataWindow;
+    class TableFunctionSet;
+
+
+    //= TableControl_Impl
+
+    class TableControl_Impl :public ITableControl
+                            ,public ITableModelListener
+    {
+        friend class TableGeometry;
+        friend class TableRowGeometry;
+        friend class TableColumnGeometry;
+        friend class SuspendInvariants;
+
+    private:
+        /// the control whose impl-instance we implement
+        TableControl&           m_rAntiImpl;
+        /// the model of the table control
+        PTableModel             m_pModel;
+        /// the input handler to use, usually the input handler as provided by ->m_pModel
+        PTableInputHandler      m_pInputHandler;
+        /// info about the widths of our columns
+        ColumnPositions         m_aColumnWidths;
+
+        /// the height of a single row in the table, measured in pixels
+        tools::Long                    m_nRowHeightPixel;
+        /// the height of the column header row in the table, measured in pixels
+        tools::Long                    m_nColHeaderHeightPixel;
+        /// the width of the row header column in the table, measured in pixels
+        tools::Long                    m_nRowHeaderWidthPixel;
+
+        /// the number of columns in the table control. Cached model value.
+        TableSize               m_nColumnCount;
+
+        /// the number of rows in the table control. Cached model value.
+        TableSize               m_nRowCount;
+
+        ColPos                  m_nCurColumn;
+        RowPos                  m_nCurRow;
+        ColPos                  m_nLeftColumn;
+        RowPos                  m_nTopRow;
+
+        sal_Int32               m_nCursorHidden;
+
+        /** the window to contain all data content, including header bars
+
+            The window's upper left corner is at position (0,0), relative to the
+            table control, which is the direct parent of the data window.
+        */
+        VclPtr<TableDataWindow> m_pDataWindow;
+        /// the vertical scrollbar, if any
+        VclPtr<ScrollBar>       m_pVScroll;
+        /// the horizontal scrollbar, if any
+        VclPtr<ScrollBar>       m_pHScroll;
+        VclPtr<ScrollBarBox>    m_pScrollCorner;
+        //selection engine - for determining selection range, e.g. single, multiple
+        std::unique_ptr<SelectionEngine> m_pSelEngine;
+        //vector which contains the selected rows
+        std::vector<RowPos>     m_aSelectedRows;
+        //part of selection engine
+        std::unique_ptr<TableFunctionSet> m_pTableFunctionSet;
+        //part of selection engine
+        RowPos                  m_nAnchor;
+        bool                    m_bUpdatingColWidths;
+
+        vcl::AccessibleFactoryAccess     m_aFactoryAccess;
+        vcl::table::IAccessibleTableControl*    m_pAccessibleTable;
+
+    public:
+        void        setModel( const PTableModel& _pModel );
+
+        const PTableInputHandler&   getInputHandler() const { return m_pInputHandler; }
+
+        RowPos  getCurRow() const           { return m_nCurRow; }
+
+        RowPos  getAnchor() const { return m_nAnchor; }
+        void    setAnchor( RowPos const i_anchor ) { m_nAnchor = i_anchor; }
+
+        RowPos  getTopRow() const       { return m_nTopRow; }
+        ColPos  getLeftColumn() const { return m_nLeftColumn; }
+
+        const TableControl&   getAntiImpl() const { return m_rAntiImpl; }
+        TableControl&   getAntiImpl()       { return m_rAntiImpl; }
+
+    public:
+        explicit TableControl_Impl( TableControl& _rAntiImpl );
+        virtual ~TableControl_Impl() override;
+
+        /** to be called when the anti-impl instance has been resized
+        */
+        void    onResize();
+
+        /** paints the table control content which intersects with the given rectangle
+        */
+        void    doPaintContent(vcl::RenderContext& rRenderContext, const tools::Rectangle& _rUpdateRect);
+
+        /** moves the cursor to the cell with the given coordinates
+
+            To ease the caller's code, the coordinates must not necessarily denote a
+            valid position. If they don't, <FALSE/> will be returned.
+        */
+        bool    goTo( ColPos _nColumn, RowPos _nRow );
+
+        /** ensures that the given coordinate is visible
+            @param _nColumn
+                the column position which should be visible. Must be non-negative, and smaller
+                than the column count.
+            @param _nRow
+                the row position which should be visibleMust be non-negative, and smaller
+                than the row count.
+        */
+        void    ensureVisible( ColPos _nColumn, RowPos _nRow );
+
+        /** retrieves the content of the given cell, converted to a string
+        */
+        OUString getCellContentAsString( RowPos const i_row, ColPos const i_col );
+
+        /** returns the position of the current row in the selection vector */
+        static int getRowSelectedNumber(const ::std::vector<RowPos>& selectedRows, RowPos current);
+
+        void invalidateRect(const tools::Rectangle &rInvalidateRect);
+
+        /** ??? */
+        void    invalidateSelectedRegion( RowPos _nPrevRow, RowPos _nCurRow );
+
+        /** invalidates the part of the data window which is covered by the given rows
+            @param i_firstRow
+                the index of the first row to include in the invalidation
+            @param i_lastRow
+                the index of the last row to include in the invalidation, or ROW_INVALID if the invalidation
+                should happen down to the bottom of the data window.
+        */
+        void    invalidateRowRange( RowPos const i_firstRow, RowPos const i_lastRow );
+
+        /** invalidates the part of the data window which is covered by the given row
+        */
+        void    invalidateRow( RowPos const i_row ) { invalidateRowRange( i_row, i_row ); }
+
+        /** invalidates all selected rows
+        */
+        void    invalidateSelectedRows();
+
+        void    checkCursorPosition();
+
+        bool    hasRowSelection() const { return !m_aSelectedRows.empty(); }
+        size_t  getSelectedRowCount() const { return m_aSelectedRows.size(); }
+        RowPos  getSelectedRowIndex( size_t const i_selectionIndex ) const;
+
+        /** removes the given row index from m_aSelectedRows
+
+            @return
+                <TRUE/> if and only if the row was previously marked as selected
+        */
+        bool        markRowAsDeselected( RowPos const i_rowIndex );
+
+        /** marks the given row as selected, by putting it into m_aSelectedRows
+            @return
+                <TRUE/> if and only if the row was previously <em>not</em> marked as selected
+        */
+        bool        markRowAsSelected( RowPos const i_rowIndex );
+
+        /** marks all rows as deselected
+            @return
+                <TRUE/> if and only if the selection actually changed by this operation
+        */
+        bool        markAllRowsAsDeselected();
+
+        /** marks all rows as selected
+            @return
+                <FALSE/> if and only if all rows were selected already.
+        */
+        bool        markAllRowsAsSelected();
+
+        void commitAccessibleEvent( sal_Int16 const i_eventID );
+        void commitCellEvent( sal_Int16 const i_eventID, const css::uno::Any& i_newValue, const css::uno::Any& i_oldValue );
+        void commitTableEvent( sal_Int16 const i_eventID, const css::uno::Any& i_newValue, const css::uno::Any& i_oldValue );
+
+        // ITableControl
+        virtual void                hideCursor() override;
+        virtual void                showCursor() override;
+        virtual bool                dispatchAction( TableControlAction _eAction ) override;
+        virtual SelectionEngine*    getSelEngine() override;
+        virtual PTableModel         getModel() const override;
+        virtual ColPos              getCurrentColumn() const override;
+        virtual RowPos              getCurrentRow() const override;
+        virtual void                activateCell( ColPos const i_col, RowPos const i_row ) override;
+        virtual ::Size              getTableSizePixel() const override;
+        virtual void                setPointer( PointerStyle i_pointer ) override;
+        virtual void                captureMouse() override;
+        virtual void                releaseMouse() override;
+        virtual void                invalidate( TableArea const i_what ) override;
+        virtual tools::Long                pixelWidthToAppFont( tools::Long const i_pixels ) const override;
+        virtual void                hideTracking() override;
+        virtual void                showTracking( tools::Rectangle const & i_location, ShowTrackFlags const i_flags ) override;
+        RowPos                      getRowAtPoint( const Point& rPoint ) const;
+        ColPos                      getColAtPoint( const Point& rPoint ) const;
+        virtual TableCell           hitTest( const Point& rPoint ) const override;
+        virtual ColumnMetrics       getColumnMetrics( ColPos const i_column ) const override;
+        virtual bool                isRowSelected( RowPos i_row ) const override;
+
+
+        tools::Long                        appFontWidthToPixel( tools::Long const i_appFontUnits ) const;
+
+        TableDataWindow&        getDataWindow()       { return *m_pDataWindow; }
+        const TableDataWindow&  getDataWindow() const { return *m_pDataWindow; }
+        ScrollBar* getHorzScrollbar() { return m_pHScroll; }
+        ScrollBar* getVertScrollbar() { return m_pVScroll; }
+
+        tools::Rectangle calcHeaderRect( bool bColHeader );
+        tools::Rectangle calcHeaderCellRect( bool bColHeader, sal_Int32 nPos );
+        tools::Rectangle calcTableRect() const;
+        tools::Rectangle calcCellRect( sal_Int32 nRow, sal_Int32 nCol ) const;
+
+        // A11Y
+        css::uno::Reference< css::accessibility::XAccessible >
+                        getAccessible( vcl::Window& i_parentWindow );
+        void            disposeAccessible();
+
+        bool     isAccessibleAlive() const { return impl_isAccessibleAlive(); }
+
+        // ITableModelListener
+        virtual void    rowsInserted( RowPos first, RowPos last ) override;
+        virtual void    rowsRemoved( RowPos first, RowPos last ) override;
+        virtual void    columnInserted() override;
+        virtual void    columnRemoved() override;
+        virtual void    allColumnsRemoved() override;
+        virtual void    cellsUpdated( RowPos const i_firstRow, RowPos const i_lastRow ) override;
+        virtual void    columnChanged( ColPos const i_column, ColumnAttributeGroup const i_attributeGroup ) override;
+        virtual void    tableMetricsChanged() override;
+
+    private:
+        bool            impl_isAccessibleAlive() const;
+        void            impl_commitAccessibleEvent(
+                            sal_Int16 const i_eventID,
+                            css::uno::Any const & i_newValue
+                        );
+
+        /** toggles the cursor visibility
+
+            The method is not bound to the classes public invariants, as it's used in
+            situations where the they must not necessarily be fulfilled.
+        */
+        void        impl_ni_doSwitchCursor( bool _bOn );
+
+        /** returns the number of visible rows.
+
+            @param _bAcceptPartialRow
+                specifies whether a possible only partially visible last row is
+                counted, too.
+        */
+        TableSize   impl_getVisibleRows( bool _bAcceptPartialRow ) const;
+
+        /** returns the number of visible columns
+
+            The value may change with different horizontal scroll positions, as
+            different columns have different widths. For instance, if your control is
+            100 pixels wide, and has three columns of width 50, 50, 100, respectively,
+            then this method will return either "2" or "1", depending on which column
+            is the first visible one.
+
+            @param _bAcceptPartialRow
+                specifies whether a possible only partially visible last row is
+                counted, too.
+        */
+        TableSize   impl_getVisibleColumns( bool _bAcceptPartialCol ) const;
+
+        /** determines the rectangle occupied by the given cell
+        */
+        void        impl_getCellRect( ColPos _nColumn, RowPos _nRow, tools::Rectangle& _rCellRect ) const;
+
+        /** updates all cached model values
+
+            The method is not bound to the classes public invariants, as it's used in
+            situations where the they must not necessarily be fulfilled.
+        */
+        void        impl_ni_updateCachedModelValues();
+
+        /** updates the cached table metrics (row height etc.)
+        */
+        void        impl_ni_updateCachedTableMetrics();
+
+        /** does a relayout of the table control
+
+            Column widths, and consequently the availability of the vertical and horizontal scrollbar, are updated
+            with a call to this method.
+
+            @param i_assumeInflexibleColumnsUpToIncluding
+                the index of a column up to which all columns should be considered as inflexible, or
+                <code>COL_INVALID</code>.
+        */
+        void        impl_ni_relayout( ColPos const i_assumeInflexibleColumnsUpToIncluding = COL_INVALID );
+
+        /** calculates the new width of our columns, taking into account their min and max widths, and their relative
+            flexibility.
+
+            @param i_assumeInflexibleColumnsUpToIncluding
+                the index of a column up to which all columns should be considered as inflexible, or
+                <code>COL_INVALID</code>.
+
+            @param i_assumeVerticalScrollbar
+                controls whether or not we should assume the presence of a vertical scrollbar. If <true/>, and
+                if the model has a VerticalScrollbarVisibility != ScrollbarShowNever, the method will leave
+                space for a vertical scrollbar.
+
+            @return
+                the overall width of the grid, which is available for columns
+        */
+        tools::Long        impl_ni_calculateColumnWidths(
+                        ColPos const i_assumeInflexibleColumnsUpToIncluding,
+                        bool const i_assumeVerticalScrollbar,
+                        ::std::vector< tools::Long >& o_newColWidthsPixel
+                    ) const;
+
+        /** positions all child windows, e.g. the both scrollbars, the corner window, and the data window
+        */
+        void        impl_ni_positionChildWindows(
+                        tools::Rectangle const & i_dataCellPlayground,
+                        bool const i_verticalScrollbar,
+                        bool const i_horizontalScrollbar
+                    );
+
+        /** scrolls the view by the given number of rows
+
+            The method is not bound to the classes public invariants, as it's used in
+            situations where the they must not necessarily be fulfilled.
+
+            @return
+                the number of rows by which the viewport was scrolled. This may differ
+                from the given numbers to scroll in case the begin or the end of the
+                row range were reached.
+        */
+        TableSize   impl_ni_ScrollRows( TableSize _nRowDelta );
+
+        /** equivalent to impl_ni_ScrollRows, but checks the instances invariants beforehand (in a non-product build only)
+        */
+        TableSize   impl_scrollRows( TableSize const i_rowDelta );
+
+        /** scrolls the view by the given number of columns
+
+            The method is not bound to the classes public invariants, as it's used in
+            situations where the they must not necessarily be fulfilled.
+
+            @return
+                the number of columns by which the viewport was scrolled. This may differ
+                from the given numbers to scroll in case the begin or the end of the
+                column range were reached.
+        */
+        TableSize   impl_ni_ScrollColumns( TableSize _nColumnDelta );
+
+        /** equivalent to impl_ni_ScrollColumns, but checks the instances invariants beforehand (in a non-product build only)
+        */
+        TableSize   impl_scrollColumns( TableSize const i_columnDelta );
+
+        /** retrieves the area occupied by the totality of (at least partially) visible cells
+
+            The returned area includes row and column headers. Also, it takes into
+            account the fact that there might be less columns than would normally
+            find room in the control.
+
+            As a result of respecting the partial visibility of rows and columns,
+            the returned area might be larger than the data window's output size.
+        */
+        tools::Rectangle   impl_getAllVisibleCellsArea() const;
+
+        /** retrieves the area occupied by all (at least partially) visible data cells.
+
+            Effectively, the returned area is the same as returned by ->impl_getAllVisibleCellsArea,
+            minus the row and column header areas.
+        */
+        tools::Rectangle   impl_getAllVisibleDataCellArea() const;
+
+        /** retrieves the column which covers the given ordinate
+        */
+        ColPos      impl_getColumnForOrdinate( tools::Long const i_ordinate ) const;
+
+        /** retrieves the row which covers the given abscissa
+        */
+        RowPos      impl_getRowForAbscissa( tools::Long const i_abscissa ) const;
+
+        /// invalidates the window area occupied by the given column
+        void        impl_invalidateColumn( ColPos const i_column );
+
+        DECL_LINK( OnScroll, ScrollBar*, void );
+        DECL_LINK( OnUpdateScrollbars, void*, void );
+    };
+
+    //see seleng.hxx, seleng.cxx, FunctionSet overridables, part of selection engine
+    class TableFunctionSet : public FunctionSet
+    {
+    private:
+        TableControl_Impl*  m_pTableControl;
+        RowPos              m_nCurrentRow;
+
+    public:
+        explicit TableFunctionSet(TableControl_Impl* _pTableControl);
+        virtual ~TableFunctionSet() override;
+
+        virtual void BeginDrag() override;
+        virtual void CreateAnchor() override;
+        virtual void DestroyAnchor() override;
+        virtual void SetCursorAtPoint(const Point& rPoint, bool bDontSelectAtCursor = false) override;
+        virtual bool IsSelectionAtPoint( const Point& rPoint ) override;
+        virtual void DeselectAtPoint( const Point& rPoint ) override;
+        virtual void DeselectAll() override;
+    };
+
+
+} // namespace svt::table
+
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */