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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : // ============================================================================
21 :
22 : #ifndef _SC_CSVCONTROL_HXX
23 : #define _SC_CSVCONTROL_HXX
24 :
25 : #include <vcl/ctrl.hxx>
26 : #include "scdllapi.h"
27 : #include "global.hxx"
28 : #include "address.hxx"
29 : #include "csvsplits.hxx"
30 : #include <com/sun/star/uno/Reference.hxx>
31 :
32 :
33 : class ScAccessibleCsvControl;
34 : namespace com { namespace sun { namespace star { namespace accessibility {
35 : class XAccessible;
36 : } } } }
37 :
38 :
39 : // ============================================================================
40 :
41 : /** Minimum character count for a column in separators mode. */
42 : const sal_Int32 CSV_MINCOLWIDTH = 8;
43 : /** Maximum length of a cell string. */
44 : const xub_StrLen CSV_MAXSTRLEN = 0x7FFF;
45 : /** Transparency for header color of selected columns. */
46 : const sal_uInt16 CSV_HDR_TRANSPARENCY = 85;
47 : /** Minimum distance to border for auto scroll. */
48 : const sal_Int32 CSV_SCROLL_DIST = 3;
49 :
50 : //! TODO make string array dynamic
51 : const sal_Int32 CSV_PREVIEW_LINES = 32; // maximum count of preview lines
52 : /** Maximum count of columns. */
53 : const sal_Int32 CSV_MAXCOLCOUNT = MAXCOLCOUNT;
54 :
55 : /** Default column data type. */
56 : const sal_Int32 CSV_TYPE_DEFAULT = 0;
57 : /** Multi selection with different types. */
58 : const sal_Int32 CSV_TYPE_MULTI = -1;
59 : /** No column selected. */
60 : const sal_Int32 CSV_TYPE_NOSELECTION = -2;
61 :
62 : // External used column types.
63 : const sal_uInt8 SC_COL_STANDARD = 1;
64 : const sal_uInt8 SC_COL_TEXT = 2;
65 : const sal_uInt8 SC_COL_MDY = 3;
66 : const sal_uInt8 SC_COL_DMY = 4;
67 : const sal_uInt8 SC_COL_YMD = 5;
68 : const sal_uInt8 SC_COL_SKIP = 9;
69 : const sal_uInt8 SC_COL_ENGLISH = 10;
70 :
71 :
72 : // ============================================================================
73 :
74 : /** Exported data of a column (data used in the dialog). */
75 : struct ScCsvExpData
76 : {
77 : sal_Int32 mnIndex; /// Index of a column.
78 : sal_uInt8 mnType; /// External type of the column.
79 :
80 0 : inline ScCsvExpData() : mnIndex( 0 ), mnType( SC_COL_STANDARD ) {}
81 0 : inline ScCsvExpData( xub_StrLen nIndex, sal_uInt8 nType ) :
82 0 : mnIndex( nIndex ), mnType( nType ) {}
83 : };
84 :
85 : typedef ::std::vector< ScCsvExpData > ScCsvExpDataVec;
86 :
87 :
88 : // ============================================================================
89 :
90 : /** Specifies which element should be used to perform an action. */
91 : enum ScMoveMode
92 : {
93 : MOVE_NONE, /// No action.
94 : MOVE_FIRST, /// First element in current context.
95 : MOVE_LAST, /// Last element in current context.
96 : MOVE_PREV, /// Predecessor of current element in current context.
97 : MOVE_NEXT, /// Successor of current element in current context.
98 : MOVE_PREVPAGE, /// Previous page relative to current context.
99 : MOVE_NEXTPAGE /// Next page relative to current context.
100 : };
101 :
102 :
103 : // ============================================================================
104 :
105 : /** Flags for comparison of old and new control layout data. */
106 : typedef sal_uInt32 ScCsvDiff;
107 :
108 : const ScCsvDiff CSV_DIFF_EQUAL = 0x00000000;
109 : const ScCsvDiff CSV_DIFF_POSCOUNT = 0x00000001;
110 : const ScCsvDiff CSV_DIFF_POSOFFSET = 0x00000002;
111 : const ScCsvDiff CSV_DIFF_HDRWIDTH = 0x00000004;
112 : const ScCsvDiff CSV_DIFF_CHARWIDTH = 0x00000008;
113 : const ScCsvDiff CSV_DIFF_LINECOUNT = 0x00000010;
114 : const ScCsvDiff CSV_DIFF_LINEOFFSET = 0x00000020;
115 : const ScCsvDiff CSV_DIFF_HDRHEIGHT = 0x00000040;
116 : const ScCsvDiff CSV_DIFF_LINEHEIGHT = 0x00000080;
117 : const ScCsvDiff CSV_DIFF_RULERCURSOR = 0x00000100;
118 : const ScCsvDiff CSV_DIFF_GRIDCURSOR = 0x00000200;
119 :
120 : const ScCsvDiff CSV_DIFF_HORIZONTAL = CSV_DIFF_POSCOUNT | CSV_DIFF_POSOFFSET | CSV_DIFF_HDRWIDTH | CSV_DIFF_CHARWIDTH;
121 : const ScCsvDiff CSV_DIFF_VERTICAL = CSV_DIFF_LINECOUNT | CSV_DIFF_LINEOFFSET | CSV_DIFF_HDRHEIGHT | CSV_DIFF_LINEHEIGHT;
122 : const ScCsvDiff CSV_DIFF_CURSOR = CSV_DIFF_RULERCURSOR | CSV_DIFF_GRIDCURSOR;
123 :
124 :
125 : // ----------------------------------------------------------------------------
126 :
127 : /** A structure containing all layout data valid for both ruler and data grid
128 : (i.e. scroll position or column width). */
129 : struct ScCsvLayoutData
130 : {
131 : // horizontal settings
132 : sal_Int32 mnPosCount; /// Number of positions.
133 : sal_Int32 mnPosOffset; /// Horizontal scroll offset.
134 :
135 : sal_Int32 mnWinWidth; /// Width of ruler and data grid.
136 : sal_Int32 mnHdrWidth; /// Width of the header column.
137 : sal_Int32 mnCharWidth; /// Pixel width of one character.
138 :
139 : // vertical settings
140 : sal_Int32 mnLineCount; /// Number of data lines.
141 : sal_Int32 mnLineOffset; /// Index of first visible line (0-based).
142 :
143 : sal_Int32 mnWinHeight; /// Height of entire data grid (incl. header).
144 : sal_Int32 mnHdrHeight; /// Height of the header line.
145 : sal_Int32 mnLineHeight; /// Height of a data line.
146 :
147 : // cursor settings
148 : sal_Int32 mnPosCursor; /// Position of ruler cursor.
149 : sal_Int32 mnColCursor; /// Position of grid column cursor.
150 :
151 : mutable sal_Int32 mnNoRepaint; /// >0 = no repaint.
152 : bool mbAppRTL; /// true = application in RTL mode.
153 :
154 : explicit ScCsvLayoutData();
155 :
156 : /** Returns differences to rData.
157 : @descr For each difference the appropriate bit is set in the returned value. */
158 : ScCsvDiff GetDiff( const ScCsvLayoutData& rData ) const;
159 : };
160 :
161 0 : inline bool operator==( const ScCsvLayoutData& rData1, const ScCsvLayoutData& rData2 )
162 : {
163 0 : return rData1.GetDiff( rData2 ) == CSV_DIFF_EQUAL;
164 : }
165 :
166 0 : inline bool operator!=( const ScCsvLayoutData& rData1, const ScCsvLayoutData& rData2 )
167 : {
168 0 : return !(rData1 == rData2);
169 : }
170 :
171 :
172 : // ============================================================================
173 :
174 : /** Enumeration of possible commands to change any settings of the CSV controls.
175 : @descr Controls have to send commands instead of changing their settings directly.
176 : This helps to keep the different controls consistent to each other.
177 : A command can contain 0 to 2 sal_Int32 parameters. In the description of each
178 : command the required parameters are swown in brackets. [-] means no parameter. */
179 : enum ScCsvCmdType
180 : {
181 : // misc
182 : CSVCMD_NONE, /// No command. [-]
183 : CSVCMD_REPAINT, /// Repaint all controls. [-]
184 :
185 : // modify horizontal dimensions
186 : CSVCMD_SETPOSCOUNT, /// Change position/column count. [character count]
187 : CSVCMD_SETPOSOFFSET, /// Change position offset (scroll pos). [position]
188 : CSVCMD_SETHDRWIDTH, /// Change width of the header column. [width in pixel]
189 : CSVCMD_SETCHARWIDTH, /// Change character pixel width. [width in pixel]
190 :
191 : // modify vertical dimensions
192 : CSVCMD_SETLINECOUNT, /// Change number of data lines. [line count]
193 : CSVCMD_SETLINEOFFSET, /// Change first visible line. [line index]
194 : CSVCMD_SETHDRHEIGHT, /// Change height of top header line. [height in pixel]
195 : CSVCMD_SETLINEHEIGHT, /// Change data line pixel height. [height in pixel}
196 :
197 : // cursors/positions
198 : CSVCMD_MOVERULERCURSOR, /// Move ruler cursor to new position. [position]
199 : CSVCMD_MOVEGRIDCURSOR, /// Move data grid cursor to new column. [position]
200 : CSVCMD_MAKEPOSVISIBLE, /// Move to make passed position visible (for mouse tracking). [position]
201 :
202 : // table contents
203 : CSVCMD_NEWCELLTEXTS, /// Recalculate splits and cell texts. [-]
204 : CSVCMD_UPDATECELLTEXTS, /// Update cell texts with current split settings. [-]
205 : CSVCMD_SETCOLUMNTYPE, /// Change data type of selected columns. [column type]
206 : CSVCMD_EXPORTCOLUMNTYPE, /// Send selected column type to external controls. [-]
207 : CSVCMD_SETFIRSTIMPORTLINE, /// Set number of first imported line. [line index]
208 :
209 : // splits
210 : CSVCMD_INSERTSPLIT, /// Insert a split. [position]
211 : CSVCMD_REMOVESPLIT, /// Remove a split. [position]
212 : CSVCMD_TOGGLESPLIT, /// Inserts or removes a split. [position]
213 : CSVCMD_MOVESPLIT, /// Move a split. [old position, new position]
214 : CSVCMD_REMOVEALLSPLITS /// Remove all splits. [-]
215 : };
216 :
217 :
218 : // ----------------------------------------------------------------------------
219 :
220 : /** Data for a CSV control command. The stored position data is aways character based,
221 : it's never a column index (required for internal consistency). */
222 : class ScCsvCmd
223 : {
224 : private:
225 : ScCsvCmdType meType; /// The command.
226 : sal_Int32 mnParam1; /// First parameter.
227 : sal_Int32 mnParam2; /// Second parameter.
228 :
229 : public:
230 0 : inline explicit ScCsvCmd() : meType( CSVCMD_NONE ),
231 0 : mnParam1( CSV_POS_INVALID ), mnParam2( CSV_POS_INVALID ) {}
232 :
233 : inline void Set( ScCsvCmdType eType, sal_Int32 nParam1, sal_Int32 nParam2 );
234 :
235 0 : inline ScCsvCmdType GetType() const { return meType; }
236 0 : inline sal_Int32 GetParam1() const { return mnParam1; }
237 0 : inline sal_Int32 GetParam2() const { return mnParam2; }
238 : };
239 :
240 0 : inline void ScCsvCmd::Set( ScCsvCmdType eType, sal_Int32 nParam1, sal_Int32 nParam2 )
241 : {
242 0 : meType = eType; mnParam1 = nParam1; mnParam2 = nParam2;
243 0 : }
244 :
245 :
246 : // ============================================================================
247 :
248 : /** Base class for the CSV ruler and the data grid control. Implements command handling. */
249 : class SC_DLLPUBLIC ScCsvControl : public Control
250 : {
251 : protected:
252 : typedef ::std::vector< String > StringVec;
253 : typedef ::std::vector< StringVec > StringVecVec;
254 :
255 : typedef ::com::sun::star::uno::Reference<
256 : ::com::sun::star::accessibility::XAccessible > XAccessibleRef;
257 :
258 : private:
259 : Link maCmdHdl; /// External command handler.
260 : ScCsvCmd maCmd; /// Data of last command.
261 : const ScCsvLayoutData& mrData; /// Shared layout data.
262 :
263 : XAccessibleRef mxAccessible; /// The accessible object of the control.
264 : ScAccessibleCsvControl* mpAccessible; /// Pointer to the accessible implementation object.
265 : bool mbValidGfx; /// Content of virtual devices valid?
266 :
267 : // ------------------------------------------------------------------------
268 : public:
269 : explicit ScCsvControl( ScCsvControl& rParent );
270 : explicit ScCsvControl( Window* pParent, const ScCsvLayoutData& rData, WinBits nBits );
271 : virtual ~ScCsvControl();
272 :
273 : // event handling ---------------------------------------------------------
274 :
275 : virtual void GetFocus();
276 : virtual void LoseFocus();
277 :
278 : /** Sends a GetFocus or LoseFocus event to the accessibility object. */
279 : void AccSendFocusEvent( bool bFocused );
280 : /** Sends a caret changed event to the accessibility object. */
281 : void AccSendCaretEvent();
282 : /** Sends a visible area changed event to the accessibility object. */
283 : void AccSendVisibleEvent();
284 : /** Sends a selection changed event to the accessibility object. */
285 : void AccSendSelectionEvent();
286 : /** Sends a table model changed event for changed cell contents to the accessibility object. */
287 : void AccSendTableUpdateEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn, bool bAllRows = true );
288 : /** Sends a table model changed event for an inserted column to the accessibility object. */
289 : void AccSendInsertColumnEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn );
290 : /** Sends a table model changed event for a removed column to the accessibility object. */
291 : void AccSendRemoveColumnEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn );
292 :
293 : // repaint helpers --------------------------------------------------------
294 :
295 : /** Sets the graphic invalid (next Redraw() will not use cached graphic). */
296 0 : inline void InvalidateGfx() { mbValidGfx = false; }
297 : /** Sets the graphic valid (next Redraw() will use cached graphic). */
298 0 : inline void ValidateGfx() { mbValidGfx = true; }
299 : /** Returns true, if cached graphic is valid. */
300 0 : inline bool IsValidGfx() const { return mbValidGfx; }
301 :
302 : /** Repaints all controls.
303 : @param bInvalidate true = invalidates graphics of this control (not all). */
304 : void Repaint( bool bInvalidate = false );
305 : /** Increases no-repaint counter (controls do not repaint until the last EnableRepaint()). */
306 : void DisableRepaint();
307 : /** Decreases no-repaint counter and repaints if counter reaches 0.
308 : @param bInvalidate true = invalidates graphics of this control (not all). */
309 : void EnableRepaint( bool bInvalidate = false );
310 : /** Returns true, if controls will not repaint. */
311 0 : inline bool IsNoRepaint() const { return mrData.mnNoRepaint > 0; }
312 :
313 : // command handling -------------------------------------------------------
314 :
315 : /** Sets a new command handler. */
316 0 : inline void SetCmdHdl( const Link& rHdl ) { maCmdHdl = rHdl; }
317 : /** Returns the current command handler. */
318 : inline const Link& GetCmdHdl() const { return maCmdHdl; }
319 : /** Returns data of the last command. */
320 0 : inline const ScCsvCmd& GetCmd() const { return maCmd; }
321 :
322 : /** Executes a command by calling command handler. */
323 : void Execute(
324 : ScCsvCmdType eType,
325 : sal_Int32 nParam1 = CSV_POS_INVALID,
326 : sal_Int32 nParam2 = CSV_POS_INVALID );
327 :
328 : // layout helpers ---------------------------------------------------------
329 :
330 : /** Returns a reference to the current layout data. */
331 0 : inline const ScCsvLayoutData& GetLayoutData() const { return mrData; }
332 : /** Returns true, if the Right-to-Left layout mode is active. */
333 0 : inline bool IsRTL() const { return mrData.mbAppRTL; }
334 :
335 : /** Returns the number of available positions. */
336 0 : inline sal_Int32 GetPosCount() const { return mrData.mnPosCount; }
337 : /** Returns the number of visible positions. */
338 : sal_Int32 GetVisPosCount() const;
339 : /** Returns the first visible position. */
340 0 : inline sal_Int32 GetFirstVisPos() const { return mrData.mnPosOffset; }
341 : /** Returns the last visible position. */
342 0 : inline sal_Int32 GetLastVisPos() const { return GetFirstVisPos() + GetVisPosCount(); }
343 : /** Returns highest possible position for first visible character. */
344 : sal_Int32 GetMaxPosOffset() const;
345 :
346 : /** Returns true, if it is allowed to set a split at nPos. */
347 : bool IsValidSplitPos( sal_Int32 nPos ) const;
348 : /** Returns true, if nPos is an allowed AND visible split position. */
349 : bool IsVisibleSplitPos( sal_Int32 nPos ) const;
350 :
351 : /** Returns the width of the header column. */
352 0 : inline sal_Int32 GetHdrWidth() const { return mrData.mnHdrWidth; }
353 : /** Returns the width of one character column. */
354 0 : inline sal_Int32 GetCharWidth() const { return mrData.mnCharWidth; }
355 : /** Returns the start position of the header column. */
356 : sal_Int32 GetHdrX() const;
357 : /** Returns the X position of the first pixel of the data area. */
358 : sal_Int32 GetFirstX() const;
359 : /** Returns the X position of the last pixel of the data area. */
360 : sal_Int32 GetLastX() const;
361 : /** Returns output X coordinate of the specified position. */
362 : sal_Int32 GetX( sal_Int32 nPos ) const;
363 : /** Returns position from output coordinate. */
364 : sal_Int32 GetPosFromX( sal_Int32 nX ) const;
365 :
366 : /** Returns the number of data lines. */
367 0 : inline sal_Int32 GetLineCount() const { return mrData.mnLineCount; }
368 : /** Returns the number of visible lines (including partly visible bottom line). */
369 : sal_Int32 GetVisLineCount() const;
370 : /** Returns index of first visible line. */
371 0 : inline sal_Int32 GetFirstVisLine() const { return mrData.mnLineOffset; }
372 : /** Returns index of last visible line. */
373 : sal_Int32 GetLastVisLine() const;
374 : /** Returns highest possible index for first line. */
375 : sal_Int32 GetMaxLineOffset() const;
376 :
377 : /** Returns true, if nLine is a valid line index. */
378 : bool IsValidLine( sal_Int32 nLine ) const;
379 : /** Returns true, if nLine is a valid and visible line index. */
380 : bool IsVisibleLine( sal_Int32 nLine ) const;
381 :
382 : /** Returns the height of the header line. */
383 0 : inline sal_Int32 GetHdrHeight() const { return mrData.mnHdrHeight; }
384 : /** Returns the height of one line. */
385 0 : inline sal_Int32 GetLineHeight() const { return mrData.mnLineHeight; }
386 : /** Returns output Y coordinate of the specified line. */
387 : sal_Int32 GetY( sal_Int32 nLine ) const;
388 : /** Returns line index from output coordinate. */
389 : sal_Int32 GetLineFromY( sal_Int32 nY ) const;
390 :
391 : /** Returns the ruler cursor position. */
392 0 : inline sal_Int32 GetRulerCursorPos() const { return mrData.mnPosCursor; }
393 : /** Returns the data grid cursor position (not column index!). */
394 0 : inline sal_Int32 GetGridCursorPos() const { return mrData.mnColCursor; }
395 :
396 : // static helpers ---------------------------------------------------------
397 :
398 : /** Inverts a rectangle in the specified output device. */
399 : static void ImplInvertRect( OutputDevice& rOutDev, const Rectangle& rRect );
400 :
401 : /** Returns direction code for the keys LEFT, RIGHT, HOME, END.
402 : @param bHomeEnd false = ignore HOME and END key. */
403 : static ScMoveMode GetHorzDirection( sal_uInt16 nCode, bool bHomeEnd );
404 : /** Returns direction code for the keys UP, DOWN, HOME, END, PAGE UP, PAGE DOWN.
405 : @param bHomeEnd false = ignore HOME and END key. */
406 : static ScMoveMode GetVertDirection( sal_uInt16 nCode, bool bHomeEnd );
407 :
408 : // accessibility ----------------------------------------------------------
409 : public:
410 : /** Creates and returns the accessible object of this control. Do not overwrite in
411 : derived classes, use ImplCreateAccessible() instead. */
412 : virtual XAccessibleRef CreateAccessible();
413 :
414 : protected:
415 : /** Derived classes create a new accessible object here. */
416 : virtual ScAccessibleCsvControl* ImplCreateAccessible() = 0;
417 : };
418 :
419 :
420 : // ============================================================================
421 :
422 : #endif
423 :
424 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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