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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 <vcl/idle.hxx>
24 : #include <svl/eitem.hxx>
25 : #include <sfx2/app.hxx>
26 :
27 : #include <svx/dialogs.hrc>
28 : #include <svx/modctrl.hxx>
29 : #include <svx/dialmgr.hxx>
30 :
31 : #include <com/sun/star/beans/PropertyValue.hpp>
32 : #include "modctrl_internal.hxx"
33 :
34 : using ::com::sun::star::uno::Sequence;
35 : using ::com::sun::star::beans::PropertyValue;
36 :
37 748 : SFX_IMPL_STATUSBAR_CONTROL(SvxModifyControl, SfxBoolItem);
38 :
39 588 : struct SvxModifyControl::ImplData
40 : {
41 : enum ModificationState
42 : {
43 : MODIFICATION_STATE_NO = 0,
44 : MODIFICATION_STATE_YES,
45 : MODIFICATION_STATE_FEEDBACK,
46 : MODIFICATION_STATE_SIZE
47 : };
48 :
49 : Idle maIdle;
50 : Image maImages[MODIFICATION_STATE_SIZE];
51 :
52 : ModificationState mnModState;
53 :
54 588 : ImplData():
55 588 : mnModState(MODIFICATION_STATE_NO)
56 : {
57 588 : maImages[MODIFICATION_STATE_NO] = Image(SVX_RES(RID_SVXBMP_DOC_MODIFIED_NO));
58 588 : maImages[MODIFICATION_STATE_YES] = Image(SVX_RES(RID_SVXBMP_DOC_MODIFIED_YES));
59 588 : maImages[MODIFICATION_STATE_FEEDBACK] = Image(SVX_RES(RID_SVXBMP_DOC_MODIFIED_FEEDBACK));
60 :
61 588 : maIdle.SetPriority(SchedulerPriority::LOWEST);
62 588 : }
63 : };
64 :
65 588 : SvxModifyControl::SvxModifyControl( sal_uInt16 _nSlotId, sal_uInt16 _nId, StatusBar& rStb ) :
66 : SfxStatusBarControl( _nSlotId, _nId, rStb ),
67 588 : mxImpl(new ImplData)
68 : {
69 : //#ifndef MACOSX
70 588 : if ( rStb.GetDPIScaleFactor() > 1 )
71 : {
72 0 : for (int i = 0; i < mxImpl->MODIFICATION_STATE_SIZE; i++)
73 : {
74 0 : BitmapEx b = mxImpl->maImages[i].GetBitmapEx();
75 0 : b.Scale(rStb.GetDPIScaleFactor(), rStb.GetDPIScaleFactor(), BmpScaleFlag::Fast);
76 0 : mxImpl->maImages[i] = Image(b);
77 0 : }
78 : }
79 : //#endif
80 588 : mxImpl->maIdle.SetIdleHdl( LINK(this, SvxModifyControl, OnTimer) );
81 588 : }
82 :
83 :
84 :
85 1033 : void SvxModifyControl::StateChanged( sal_uInt16, SfxItemState eState,
86 : const SfxPoolItem* pState )
87 : {
88 1033 : if ( SfxItemState::DEFAULT != eState )
89 1033 : return;
90 :
91 : DBG_ASSERT( pState->ISA( SfxBoolItem ), "invalid item type" );
92 1033 : const SfxBoolItem* pItem = static_cast<const SfxBoolItem*>(pState);
93 1033 : mxImpl->maIdle.Stop();
94 :
95 1033 : bool modified = pItem->GetValue();
96 1033 : bool start = ( !modified && mxImpl->mnModState == ImplData::MODIFICATION_STATE_YES); // should timer be started and feedback image displayed ?
97 :
98 1033 : mxImpl->mnModState = (start ? ImplData::MODIFICATION_STATE_FEEDBACK : (modified ? ImplData::MODIFICATION_STATE_YES : ImplData::MODIFICATION_STATE_NO));
99 :
100 1033 : _repaint();
101 :
102 1033 : int nResId = modified ? RID_SVXSTR_DOC_MODIFIED_YES : RID_SVXSTR_DOC_MODIFIED_NO;
103 1033 : GetStatusBar().SetQuickHelpText(GetId(), SVX_RESSTR(nResId));
104 :
105 1033 : if ( start )
106 10 : mxImpl->maIdle.Start();
107 : }
108 :
109 :
110 :
111 0 : IMPL_LINK_TYPED( SvxModifyControl, OnTimer, Idle *, pTimer, void )
112 : {
113 0 : if (pTimer == 0)
114 0 : return;
115 :
116 0 : pTimer->Stop();
117 0 : mxImpl->mnModState = ImplData::MODIFICATION_STATE_NO;
118 :
119 0 : _repaint();
120 : }
121 :
122 :
123 :
124 1033 : void SvxModifyControl::_repaint()
125 : {
126 1033 : if ( GetStatusBar().AreItemsVisible() )
127 1033 : GetStatusBar().SetItemData( GetId(), 0 ); // force repaint
128 1033 : }
129 :
130 : /**
131 : * Given a bounding rectangle and an image, determine the top-left position
132 : * of the image so that the image would look centered both horizontally and
133 : * vertically.
134 : *
135 : * @param rBoundingRect bounding rectangle
136 : * @param rImg image
137 : *
138 : * @return Point top-left corner of the centered image position
139 : */
140 4328 : Point centerImage(const Rectangle& rBoundingRect, const Image& rImg)
141 : {
142 4328 : Size aImgSize = rImg.GetSizePixel();
143 4328 : Size aRectSize = rBoundingRect.GetSize();
144 4328 : long nXOffset = (aRectSize.getWidth() - aImgSize.getWidth())/2;
145 4328 : long nYOffset = (aRectSize.getHeight() - aImgSize.getHeight())/2;
146 4328 : Point aPt = rBoundingRect.TopLeft();
147 4328 : aPt += Point(nXOffset, nYOffset);
148 4328 : return aPt;
149 : }
150 :
151 4085 : void SvxModifyControl::Paint( const UserDrawEvent& rUsrEvt )
152 : {
153 4085 : OutputDevice* pDev = rUsrEvt.GetDevice();
154 4085 : Rectangle aRect = rUsrEvt.GetRect();
155 :
156 4085 : ImplData::ModificationState state = mxImpl->mnModState;
157 4085 : Point aPt = centerImage(aRect, mxImpl->maImages[state]);
158 4085 : pDev->DrawImage(aPt, mxImpl->maImages[state]);
159 4085 : }
160 :
161 0 : void SvxModifyControl::Click()
162 : {
163 0 : if (mxImpl->mnModState != ImplData::MODIFICATION_STATE_YES)
164 : // document not modified. nothing to do here.
165 0 : return;
166 :
167 0 : Sequence<PropertyValue> aArgs;
168 0 : execute(OUString(".uno:Save"), aArgs);
169 : }
170 :
171 :
172 :
173 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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