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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 : #include <vcl/status.hxx>
21 : #include <vcl/image.hxx>
22 : #include <vcl/timer.hxx>
23 : #include <svl/eitem.hxx>
24 : #include <sfx2/app.hxx>
25 :
26 : #include <svx/dialogs.hrc>
27 : #include <svx/modctrl.hxx>
28 : #include <svx/dialmgr.hxx>
29 :
30 : #include <com/sun/star/beans/PropertyValue.hpp>
31 :
32 : using ::com::sun::star::uno::Sequence;
33 : using ::com::sun::star::beans::PropertyValue;
34 :
35 712 : SFX_IMPL_STATUSBAR_CONTROL(SvxModifyControl, SfxBoolItem);
36 :
37 :
38 : namespace
39 : {
40 : const unsigned _FEEDBACK_TIMEOUT = 3000;
41 : }
42 :
43 :
44 : // class SvxModifyControl ------------------------------------------------
45 :
46 623 : struct SvxModifyControl::ImplData
47 : {
48 : enum ModificationState
49 : {
50 : MODIFICATION_STATE_NO = 0,
51 : MODIFICATION_STATE_YES,
52 : MODIFICATION_STATE_FEEDBACK,
53 : MODIFICATION_STATE_SIZE
54 : };
55 :
56 : Timer maTimer;
57 : Image maImages[MODIFICATION_STATE_SIZE];
58 :
59 : ModificationState mnModState;
60 :
61 623 : ImplData():
62 623 : mnModState(MODIFICATION_STATE_NO)
63 : {
64 623 : maImages[MODIFICATION_STATE_NO] = Image(SVX_RES(RID_SVXBMP_DOC_MODIFIED_NO));
65 623 : maImages[MODIFICATION_STATE_YES] = Image(SVX_RES(RID_SVXBMP_DOC_MODIFIED_YES));
66 623 : maImages[MODIFICATION_STATE_FEEDBACK] = Image(SVX_RES(RID_SVXBMP_DOC_MODIFIED_FEEDBACK));
67 623 : maTimer.SetTimeout(_FEEDBACK_TIMEOUT);
68 623 : }
69 : };
70 :
71 623 : SvxModifyControl::SvxModifyControl( sal_uInt16 _nSlotId,
72 : sal_uInt16 _nId,
73 : StatusBar& rStb ) :
74 :
75 : SfxStatusBarControl( _nSlotId, _nId, rStb ),
76 623 : mpImpl(new ImplData)
77 : {
78 623 : mpImpl->maTimer.SetTimeoutHdl( LINK(this, SvxModifyControl, OnTimer) );
79 623 : }
80 :
81 : // -----------------------------------------------------------------------
82 :
83 988 : void SvxModifyControl::StateChanged( sal_uInt16, SfxItemState eState,
84 : const SfxPoolItem* pState )
85 : {
86 988 : if ( SFX_ITEM_AVAILABLE != eState )
87 988 : return;
88 :
89 : DBG_ASSERT( pState->ISA( SfxBoolItem ), "invalid item type" );
90 988 : SfxBoolItem* pItem = (SfxBoolItem*)pState;
91 988 : mpImpl->maTimer.Stop();
92 :
93 988 : bool modified = pItem->GetValue();
94 988 : bool start = ( !modified && mpImpl->mnModState == ImplData::MODIFICATION_STATE_YES); // should timer be started and feedback image displayed ?
95 :
96 988 : mpImpl->mnModState = (start ? ImplData::MODIFICATION_STATE_FEEDBACK : (modified ? ImplData::MODIFICATION_STATE_YES : ImplData::MODIFICATION_STATE_NO));
97 :
98 988 : _repaint();
99 :
100 988 : int nResId = modified ? RID_SVXSTR_DOC_MODIFIED_YES : RID_SVXSTR_DOC_MODIFIED_NO;
101 988 : GetStatusBar().SetQuickHelpText(GetId(), SVX_RESSTR(nResId));
102 :
103 988 : if ( start )
104 3 : mpImpl->maTimer.Start();
105 : }
106 :
107 : // -----------------------------------------------------------------------
108 :
109 0 : IMPL_LINK( SvxModifyControl, OnTimer, Timer *, pTimer )
110 : {
111 0 : if (pTimer == 0)
112 0 : return 0;
113 :
114 0 : pTimer->Stop();
115 0 : mpImpl->mnModState = ImplData::MODIFICATION_STATE_NO;
116 :
117 0 : _repaint();
118 :
119 0 : return 0;
120 : }
121 :
122 : // -----------------------------------------------------------------------
123 :
124 988 : void SvxModifyControl::_repaint()
125 : {
126 988 : if ( GetStatusBar().AreItemsVisible() )
127 988 : GetStatusBar().SetItemData( GetId(), 0 ); // force repaint
128 988 : }
129 :
130 : // -----------------------------------------------------------------------
131 :
132 : namespace {
133 :
134 : /**
135 : * Given a bounding rectangle and an image, determine the top-left position
136 : * of the image so that the image would look centered both horizontally and
137 : * vertically.
138 : *
139 : * @param rBoundingRect bounding rectangle
140 : * @param rImg image
141 : *
142 : * @return Point top-left corner of the centered image position
143 : */
144 1550 : Point centerImage(const Rectangle& rBoundingRect, const Image& rImg)
145 : {
146 1550 : Size aImgSize = rImg.GetSizePixel();
147 1550 : Size aRectSize = rBoundingRect.GetSize();
148 1550 : long nXOffset = (aRectSize.getWidth() - aImgSize.getWidth())/2;
149 1550 : long nYOffset = (aRectSize.getHeight() - aImgSize.getHeight())/2;
150 1550 : Point aPt = rBoundingRect.TopLeft();
151 1550 : aPt += Point(nXOffset, nYOffset);
152 1550 : return aPt;
153 : }
154 :
155 : }
156 :
157 :
158 1550 : void SvxModifyControl::Paint( const UserDrawEvent& rUsrEvt )
159 : {
160 1550 : OutputDevice* pDev = rUsrEvt.GetDevice();
161 1550 : Rectangle aRect = rUsrEvt.GetRect();
162 :
163 1550 : ImplData::ModificationState state = mpImpl->mnModState;
164 1550 : Point aPt = centerImage(aRect, mpImpl->maImages[state]);
165 1550 : pDev->DrawImage(aPt, mpImpl->maImages[state]);
166 1550 : }
167 :
168 0 : void SvxModifyControl::DoubleClick()
169 : {
170 0 : if (mpImpl->mnModState != ImplData::MODIFICATION_STATE_YES)
171 : // document not modified. nothing to do here.
172 0 : return;
173 :
174 0 : Sequence<PropertyValue> aArgs;
175 0 : execute(OUString(".uno:Save"), aArgs);
176 216 : }
177 :
178 :
179 :
180 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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