summaryrefslogtreecommitdiffstats
path: root/toolkit/source/controls/table/tablecontrol_impl.hxx
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
commit267c6f2ac71f92999e969232431ba04678e7437e (patch)
tree358c9467650e1d0a1d7227a21dac2e3d08b622b2 /toolkit/source/controls/table/tablecontrol_impl.hxx
parentInitial commit. (diff)
downloadlibreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz
libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'toolkit/source/controls/table/tablecontrol_impl.hxx')
-rw-r--r--toolkit/source/controls/table/tablecontrol_impl.hxx480
1 files changed, 480 insertions, 0 deletions
diff --git a/toolkit/source/controls/table/tablecontrol_impl.hxx b/toolkit/source/controls/table/tablecontrol_impl.hxx
new file mode 100644
index 0000000000..a9498958e7
--- /dev/null
+++ b/toolkit/source/controls/table/tablecontrol_impl.hxx
@@ -0,0 +1,480 @@
+/* -*- 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 <com/sun/star/accessibility/XAccessible.hpp>
+#include <controls/table/tablemodel.hxx>
+#include <controls/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;
+ rtl::Reference<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
+ rtl::Reference<vcl::table::IAccessibleTableControl>
+ 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: */