/* -*- 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 .
*/
/** Minimum character count for a column in separators mode. */ const sal_Int32 CSV_MINCOLWIDTH = 8; /** Maximum length of a cell string. */ const sal_Int32 CSV_MAXSTRLEN = 0x7FFF; /** Transparency for header color of selected columns. */ const sal_uInt16 CSV_HDR_TRANSPARENCY = 85; /** Minimum distance to border for auto scroll. */ const sal_Int32 CSV_SCROLL_DIST = 3;
//! TODO make string array dynamic const sal_Int32 CSV_PREVIEW_LINES = 32; // maximum count of preview lines /** Maximum count of columns. */ const sal_Int32 CSV_MAXCOLCOUNT = MAXCOLCOUNT;
/** Default column data type. */ const sal_Int32 CSV_TYPE_DEFAULT = 0; /** Multi selection with different types. */ const sal_Int32 CSV_TYPE_MULTI = -1; /** No column selected. */ const sal_Int32 CSV_TYPE_NOSELECTION = -2;
/** Exported data of a column (data used in the dialog). */ struct ScCsvExpData
{
sal_Int32 mnIndex; /// Index of a column.
sal_uInt8 mnType; /// External type of the column.
/** Specifies which element should be used to perform an action. */ enum ScMoveMode
{
MOVE_NONE, /// No action.
MOVE_FIRST, /// First element in current context.
MOVE_LAST, /// Last element in current context.
MOVE_PREV, /// Predecessor of current element in current context.
MOVE_NEXT, /// Successor of current element in current context.
MOVE_PREVPAGE, /// Previous page relative to current context.
MOVE_NEXTPAGE /// Next page relative to current context.
};
/** Flags for comparison of old and new control layout data. */ enumclass ScCsvDiff : sal_uInt32 {
Equal = 0x0000,
PosCount = 0x0001,
PosOffset = 0x0002,
HeaderWidth = 0x0004,
CharWidth = 0x0008,
LineCount = 0x0010,
LineOffset = 0x0020,
HeaderHeight = 0x0040,
LineHeight = 0x0080,
RulerCursor = 0x0100,
GridCursor = 0x0200,
/** A structure containing all layout data valid for both ruler and data grid
(i.e. scroll position or column width). */ struct ScCsvLayoutData
{ // horizontal settings
sal_Int32 mnPosCount; /// Number of positions.
sal_Int32 mnPosOffset; /// Horizontal scroll offset.
sal_Int32 mnWinWidth; /// Width of ruler and data grid.
sal_Int32 mnHdrWidth; /// Width of the header column.
sal_Int32 mnCharWidth; /// Pixel width of one character.
// vertical settings
sal_Int32 mnLineCount; /// Number of data lines.
sal_Int32 mnLineOffset; /// Index of first visible line (0-based).
sal_Int32 mnWinHeight; /// Height of entire data grid (incl. header).
sal_Int32 mnHdrHeight; /// Height of the header line.
sal_Int32 mnLineHeight; /// Height of a data line.
// cursor settings
sal_Int32 mnPosCursor; /// Position of ruler cursor.
sal_Int32 mnColCursor; /// Position of grid column cursor.
mutable sal_Int32 mnNoRepaint; /// >0 = no repaint. bool mbAppRTL; /// true = application in RTL mode.
explicit ScCsvLayoutData();
/** Returns differences to rData.
@descr For each difference the appropriate bit is set in the returned value. */
ScCsvDiff GetDiff( const ScCsvLayoutData& rData ) const;
};
/** Enumeration of possible commands to change any settings of the CSV controls. @descr Controls have to send commands instead of changing their settings directly. This helps to keep the different controls consistent to each other. A command can contain 0 to 2 sal_Int32 parameters. In the description of each
command the required parameters are shown in brackets. [-] means no parameter. */ enum ScCsvCmdType
{ // misc
CSVCMD_NONE, /// No command. [-]
CSVCMD_REPAINT, /// Repaint all controls. [-]
// modify horizontal dimensions
CSVCMD_SETPOSCOUNT, /// Change position/column count. [character count]
CSVCMD_SETPOSOFFSET, /// Change position offset (scroll pos). [position]
CSVCMD_SETHDRWIDTH, /// Change width of the header column. [width in pixel]
CSVCMD_SETCHARWIDTH, /// Change character pixel width. [width in pixel]
// modify vertical dimensions
CSVCMD_SETLINECOUNT, /// Change number of data lines. [line count]
CSVCMD_SETLINEOFFSET, /// Change first visible line. [line index]
CSVCMD_SETHDRHEIGHT, /// Change height of top header line. [height in pixel]
CSVCMD_SETLINEHEIGHT, /// Change data line pixel height. [height in pixel}
// cursors/positions
CSVCMD_MOVERULERCURSOR, /// Move ruler cursor to new position. [position]
CSVCMD_MOVEGRIDCURSOR, /// Move data grid cursor to new column. [position]
CSVCMD_MAKEPOSVISIBLE, /// Move to make passed position visible (for mouse tracking). [position]
// table contents
CSVCMD_NEWCELLTEXTS, /// Recalculate splits and cell texts. [-]
CSVCMD_UPDATECELLTEXTS, /// Update cell texts with current split settings. [-]
CSVCMD_SETCOLUMNTYPE, /// Change data type of selected columns. [column type]
CSVCMD_EXPORTCOLUMNTYPE, /// Send selected column type to external controls. [-]
CSVCMD_SETFIRSTIMPORTLINE, /// Set number of first imported line. [line index]
// splits
CSVCMD_INSERTSPLIT, /// Insert a split. [position]
CSVCMD_REMOVESPLIT, /// Remove a split. [position]
CSVCMD_TOGGLESPLIT, /// Inserts or removes a split. [position]
CSVCMD_MOVESPLIT, /// Move a split. [old position, new position]
CSVCMD_REMOVEALLSPLITS /// Remove all splits. [-]
};
/** Data for a CSV control command. The stored position data is always character based,
it's never a column index (required for internal consistency). */ class ScCsvCmd
{ private:
ScCsvCmdType meType; /// The command.
sal_Int32 mnParam1; /// First parameter.
sal_Int32 mnParam2; /// Second parameter.
/** Base class for the CSV ruler and the data grid control. Implements command handling. */ class SAL_DLLPUBLIC_RTTI ScCsvControl : public weld::CustomWidgetController
{ private:
Link<ScCsvControl&,void> maCmdHdl; /// External command handler.
ScCsvCmd maCmd; /// Data of last command. const ScCsvLayoutData& mrData; /// Shared layout data.
bool mbValidGfx; /// Content of virtual devices valid?
protected:
rtl::Reference<ScAccessibleCsvControl> mxAccessible; /// Reference to the accessible implementation object.
/** Sends a GetFocus or LoseFocus event to the accessibility object. */ void AccSendFocusEvent( bool bFocused ); /** Sends a caret changed event to the accessibility object. */ void AccSendCaretEvent(); /** Sends a visible area changed event to the accessibility object. */ void AccSendVisibleEvent(); /** Sends a selection changed event to the accessibility object. */ void AccSendSelectionEvent(); /** Sends a table model changed event for changed cell contents to the accessibility object. */ void AccSendTableUpdateEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn, bool bAllRows = true ); /** Sends a table model changed event for an inserted column to the accessibility object. */ void AccSendInsertColumnEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn ); /** Sends a table model changed event for a removed column to the accessibility object. */ void AccSendRemoveColumnEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn );
/** Sets the graphic invalid (next Redraw() will not use cached graphic). */ void InvalidateGfx() { mbValidGfx = false; } /** Sets the graphic valid (next Redraw() will use cached graphic). */ void ValidateGfx() { mbValidGfx = true; } /** Returns true, if cached graphic is valid. */ bool IsValidGfx() const { return mbValidGfx; }
/** Repaints all controls.
@param bInvalidate true = invalidates graphics of this control (not all). */ void Repaint( bool bInvalidate = false ); /** Increases no-repaint counter (controls do not repaint until the last EnableRepaint()). */ void DisableRepaint(); /** Decreases no-repaint counter and repaints if counter reaches 0. */ void EnableRepaint(); /** Returns true, if controls will not repaint. */ bool IsNoRepaint() const { return mrData.mnNoRepaint > 0; }
/** Returns a reference to the current layout data. */ const ScCsvLayoutData& GetLayoutData() const { return mrData; } /** Returns true, if the Right-to-Left layout mode is active. */ bool IsRTL() const { return mrData.mbAppRTL; }
/** Returns the number of available positions. */
sal_Int32 GetPosCount() const { return mrData.mnPosCount; } /** Returns the number of visible positions. */
sal_Int32 GetVisPosCount() const; /** Returns the first visible position. */
sal_Int32 GetFirstVisPos() const { return mrData.mnPosOffset; } /** Returns the last visible position. */
sal_Int32 GetLastVisPos() const { return GetFirstVisPos() + GetVisPosCount(); } /** Returns highest possible position for first visible character. */
sal_Int32 GetMaxPosOffset() const;
/** Returns true, if it is allowed to set a split at nPos. */ bool IsValidSplitPos( sal_Int32 nPos ) const; /** Returns true, if nPos is an allowed AND visible split position. */ bool IsVisibleSplitPos( sal_Int32 nPos ) const;
/** Returns the width of the header column. */
sal_Int32 GetHdrWidth() const { return mrData.mnHdrWidth; } /** Returns the width of one character column. */
sal_Int32 GetCharWidth() const { return mrData.mnCharWidth; } /** Returns the start position of the header column. */
sal_Int32 GetHdrX() const; /** Returns the X position of the first pixel of the data area. */
sal_Int32 GetFirstX() const; /** Returns the X position of the last pixel of the data area. */
sal_Int32 GetLastX() const; /** Returns output X coordinate of the specified position. */
sal_Int32 GetX( sal_Int32 nPos ) const; /** Returns position from output coordinate. */
sal_Int32 GetPosFromX( sal_Int32 nX ) const;
/** Returns the number of data lines. */
sal_Int32 GetLineCount() const { return mrData.mnLineCount; } /** Returns the number of visible lines (including partly visible bottom line). */
SC_DLLPUBLIC sal_Int32 GetVisLineCount() const; /** Returns index of first visible line. */
sal_Int32 GetFirstVisLine() const { return mrData.mnLineOffset; } /** Returns index of last visible line. */
sal_Int32 GetLastVisLine() const; /** Returns highest possible index for first line. */
sal_Int32 GetMaxLineOffset() const;
/** Returns true, if nLine is a valid line index. */ bool IsValidLine( sal_Int32 nLine ) const; /** Returns true, if nLine is a valid and visible line index. */ bool IsVisibleLine( sal_Int32 nLine ) const;
/** Returns the height of the header line. */
sal_Int32 GetHdrHeight() const { return mrData.mnHdrHeight; } /** Returns the height of one line. */
sal_Int32 GetLineHeight() const { return mrData.mnLineHeight; } /** Returns output Y coordinate of the specified line. */
sal_Int32 GetY( sal_Int32 nLine ) const; /** Returns line index from output coordinate. */
sal_Int32 GetLineFromY( sal_Int32 nY ) const;
/** Returns the ruler cursor position. */
sal_Int32 GetRulerCursorPos() const { return mrData.mnPosCursor; } /** Returns the data grid cursor position (not column index!). */
sal_Int32 GetGridCursorPos() const { return mrData.mnColCursor; }
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