Line data Source code
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 : #include "mousefunction.hxx"
22 : #include "table/tablecontrolinterface.hxx"
23 :
24 : #include <tools/diagnose_ex.h>
25 : #include <vcl/window.hxx>
26 :
27 :
28 : namespace svt { namespace table
29 : {
30 :
31 :
32 :
33 : //= ColumnResize
34 :
35 :
36 0 : FunctionResult ColumnResize::handleMouseMove( ITableControl& i_tableControl, MouseEvent const & i_event )
37 : {
38 0 : Point const aPoint = i_event.GetPosPixel();
39 :
40 0 : if ( m_nResizingColumn == COL_INVALID )
41 : {
42 : // if we hit a column divider, change the mosue pointer accordingly
43 0 : Pointer aNewPointer( PointerStyle::Arrow );
44 0 : TableCell const tableCell = i_tableControl.hitTest( aPoint );
45 0 : if ( ( tableCell.nRow == ROW_COL_HEADERS ) && ( tableCell.eArea == ColumnDivider ) )
46 : {
47 0 : aNewPointer = Pointer( PointerStyle::HSplit );
48 : }
49 0 : i_tableControl.setPointer( aNewPointer );
50 :
51 0 : return SkipFunction; // TODO: is this correct?
52 : }
53 :
54 0 : ::Size const tableSize = i_tableControl.getTableSizePixel();
55 :
56 : // set proper pointer
57 0 : Pointer aNewPointer( PointerStyle::Arrow );
58 0 : ColumnMetrics const & columnMetrics( i_tableControl.getColumnMetrics( m_nResizingColumn ) );
59 0 : if ( ( aPoint.X() > tableSize.Width() )
60 0 : || ( aPoint.X() < columnMetrics.nStartPixel )
61 : )
62 : {
63 0 : aNewPointer = Pointer( PointerStyle::NotAllowed );
64 : }
65 : else
66 : {
67 0 : aNewPointer = Pointer( PointerStyle::HSplit );
68 : }
69 0 : i_tableControl.setPointer( aNewPointer );
70 :
71 : // show tracking line
72 0 : i_tableControl.hideTracking();
73 : i_tableControl.showTracking(
74 : Rectangle(
75 : Point( aPoint.X(), 0 ),
76 : Size( 1, tableSize.Height() )
77 : ),
78 : SHOWTRACK_SPLIT | SHOWTRACK_WINDOW
79 0 : );
80 :
81 : (void)i_event;
82 0 : return ContinueFunction;
83 : }
84 :
85 :
86 0 : FunctionResult ColumnResize::handleMouseDown( ITableControl& i_tableControl, MouseEvent const & i_event )
87 : {
88 0 : if ( m_nResizingColumn != COL_INVALID )
89 : {
90 : OSL_ENSURE( false, "ColumnResize::handleMouseDown: suspicious: MouseButtonDown while still tracking?" );
91 0 : return ContinueFunction;
92 : }
93 :
94 0 : TableCell const tableCell( i_tableControl.hitTest( i_event.GetPosPixel() ) );
95 0 : if ( tableCell.nRow == ROW_COL_HEADERS )
96 : {
97 0 : if ( ( tableCell.nColumn != COL_INVALID )
98 0 : && ( tableCell.eArea == ColumnDivider )
99 : )
100 : {
101 0 : m_nResizingColumn = tableCell.nColumn;
102 0 : i_tableControl.captureMouse();
103 0 : return ActivateFunction;
104 : }
105 : }
106 :
107 0 : return SkipFunction;
108 : }
109 :
110 :
111 0 : FunctionResult ColumnResize::handleMouseUp( ITableControl& i_tableControl, MouseEvent const & i_event )
112 : {
113 0 : if ( m_nResizingColumn == COL_INVALID )
114 0 : return SkipFunction;
115 :
116 0 : Point const aPoint = i_event.GetPosPixel();
117 :
118 0 : i_tableControl.hideTracking();
119 0 : PColumnModel const pColumn = i_tableControl.getModel()->getColumnModel( m_nResizingColumn );
120 0 : long const maxWidthLogical = pColumn->getMaxWidth();
121 0 : long const minWidthLogical = pColumn->getMinWidth();
122 :
123 : // new position of mouse
124 0 : long const requestedEnd = aPoint.X();
125 :
126 : // old position of right border
127 0 : long const oldEnd = i_tableControl.getColumnMetrics( m_nResizingColumn ).nEndPixel;
128 :
129 : // position of left border if cursor in the to-be-resized column
130 0 : long const columnStart = i_tableControl.getColumnMetrics( m_nResizingColumn ).nStartPixel;
131 0 : long const requestedWidth = requestedEnd - columnStart;
132 : // TODO: this is not correct, strictly: It assumes that the mouse was pressed exactly on the "end" pos,
133 : // but for a while now, we have relaxed this, and allow clicking a few pixels aside, too
134 :
135 0 : if ( requestedEnd >= columnStart )
136 : {
137 0 : long requestedWidthLogical = i_tableControl.pixelWidthToAppFont( requestedWidth );
138 : // respect column width limits
139 0 : if ( oldEnd > requestedEnd )
140 : {
141 : // column has become smaller, check against minimum width
142 0 : if ( ( minWidthLogical != 0 ) && ( requestedWidthLogical < minWidthLogical ) )
143 0 : requestedWidthLogical = minWidthLogical;
144 : }
145 0 : else if ( oldEnd < requestedEnd )
146 : {
147 : // column has become larger, check against max width
148 0 : if ( ( maxWidthLogical != 0 ) && ( requestedWidthLogical >= maxWidthLogical ) )
149 0 : requestedWidthLogical = maxWidthLogical;
150 : }
151 0 : pColumn->setWidth( requestedWidthLogical );
152 0 : i_tableControl.invalidate( TableAreaAll );
153 : }
154 :
155 0 : i_tableControl.setPointer( Pointer() );
156 0 : i_tableControl.releaseMouse();
157 :
158 0 : m_nResizingColumn = COL_INVALID;
159 0 : return DeactivateFunction;
160 : }
161 :
162 :
163 : //= RowSelection
164 :
165 :
166 0 : FunctionResult RowSelection::handleMouseMove( ITableControl& i_tableControl, MouseEvent const & i_event )
167 : {
168 : OSL_UNUSED( i_tableControl );
169 : OSL_UNUSED( i_event );
170 0 : return SkipFunction;
171 : }
172 :
173 :
174 0 : FunctionResult RowSelection::handleMouseDown( ITableControl& i_tableControl, MouseEvent const & i_event )
175 : {
176 0 : bool handled = false;
177 :
178 0 : TableCell const tableCell( i_tableControl.hitTest( i_event.GetPosPixel() ) );
179 0 : if ( tableCell.nRow >= 0 )
180 : {
181 0 : if ( i_tableControl.getSelEngine()->GetSelectionMode() == NO_SELECTION )
182 : {
183 0 : i_tableControl.activateCell( tableCell.nColumn, tableCell.nRow );
184 0 : handled = true;
185 : }
186 : else
187 : {
188 0 : handled = i_tableControl.getSelEngine()->SelMouseButtonDown( i_event );
189 : }
190 : }
191 :
192 0 : if ( handled )
193 0 : m_bActive = true;
194 0 : return handled ? ActivateFunction : SkipFunction;
195 : }
196 :
197 :
198 0 : FunctionResult RowSelection::handleMouseUp( ITableControl& i_tableControl, MouseEvent const & i_event )
199 : {
200 0 : TableCell const tableCell = i_tableControl.hitTest( i_event.GetPosPixel() );
201 0 : if ( tableCell.nRow >= 0 )
202 : {
203 0 : if ( i_tableControl.getSelEngine()->GetSelectionMode() != NO_SELECTION )
204 : {
205 0 : i_tableControl.getSelEngine()->SelMouseButtonUp( i_event );
206 : }
207 : }
208 0 : if ( m_bActive )
209 : {
210 0 : m_bActive = false;
211 0 : return DeactivateFunction;
212 : }
213 0 : return SkipFunction;
214 : }
215 :
216 :
217 : //= ColumnSortHandler
218 :
219 :
220 0 : FunctionResult ColumnSortHandler::handleMouseMove( ITableControl& i_tableControl, MouseEvent const & i_event )
221 : {
222 : OSL_UNUSED( i_tableControl );
223 : OSL_UNUSED( i_event );
224 0 : return SkipFunction;
225 : }
226 :
227 :
228 0 : FunctionResult ColumnSortHandler::handleMouseDown( ITableControl& i_tableControl, MouseEvent const & i_event )
229 : {
230 0 : if ( m_nActiveColumn != COL_INVALID )
231 : {
232 : OSL_ENSURE( false, "ColumnSortHandler::handleMouseDown: called while already active - suspicious!" );
233 0 : return ContinueFunction;
234 : }
235 :
236 0 : if ( i_tableControl.getModel()->getSortAdapter() == NULL )
237 : // no sorting support at the model
238 0 : return SkipFunction;
239 :
240 0 : TableCell const tableCell( i_tableControl.hitTest( i_event.GetPosPixel() ) );
241 0 : if ( ( tableCell.nRow != ROW_COL_HEADERS ) || ( tableCell.nColumn < 0 ) )
242 0 : return SkipFunction;
243 :
244 : // TODO: ensure the column header is rendered in some special way, indicating its current state
245 :
246 0 : m_nActiveColumn = tableCell.nColumn;
247 0 : return ActivateFunction;
248 : }
249 :
250 :
251 0 : FunctionResult ColumnSortHandler::handleMouseUp( ITableControl& i_tableControl, MouseEvent const & i_event )
252 : {
253 0 : if ( m_nActiveColumn == COL_INVALID )
254 0 : return SkipFunction;
255 :
256 0 : TableCell const tableCell( i_tableControl.hitTest( i_event.GetPosPixel() ) );
257 0 : if ( ( tableCell.nRow == ROW_COL_HEADERS ) && ( tableCell.nColumn == m_nActiveColumn ) )
258 : {
259 0 : ITableDataSort* pSort = i_tableControl.getModel()->getSortAdapter();
260 0 : ENSURE_OR_RETURN( pSort != NULL, "ColumnSortHandler::handleMouseUp: somebody is mocking with us!", DeactivateFunction );
261 : // in handleMousButtonDown, the model claimed to have sort support ...
262 :
263 0 : ColumnSortDirection eSortDirection = ColumnSortAscending;
264 0 : ColumnSort const aCurrentSort = pSort->getCurrentSortOrder();
265 0 : if ( aCurrentSort.nColumnPos == m_nActiveColumn )
266 : // invert existing sort order
267 0 : eSortDirection = ( aCurrentSort.eSortDirection == ColumnSortAscending ) ? ColumnSortDescending : ColumnSortAscending;
268 :
269 0 : pSort->sortByColumn( m_nActiveColumn, eSortDirection );
270 : }
271 :
272 0 : m_nActiveColumn = COL_INVALID;
273 0 : return DeactivateFunction;
274 : }
275 :
276 :
277 : } } // namespace svt::table
278 :
279 :
280 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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