159 lines
5 KiB
C++
159 lines
5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <vcl/status.hxx>
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#include <vcl/image.hxx>
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#include <vcl/timer.hxx>
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#include <vcl/idle.hxx>
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#include <vcl/event.hxx>
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#include <svl/eitem.hxx>
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#include <tools/debug.hxx>
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#include <svx/strings.hrc>
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#include <svx/modctrl.hxx>
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#include <svx/dialmgr.hxx>
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#include <com/sun/star/beans/PropertyValue.hpp>
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#include "modctrl_internal.hxx"
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#include <bitmaps.hlst>
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using ::com::sun::star::uno::Sequence;
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using ::com::sun::star::beans::PropertyValue;
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SFX_IMPL_STATUSBAR_CONTROL(SvxModifyControl, SfxBoolItem);
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struct SvxModifyControl::ImplData
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{
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enum ModificationState
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{
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MODIFICATION_STATE_NO = 0,
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MODIFICATION_STATE_YES,
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MODIFICATION_STATE_FEEDBACK,
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MODIFICATION_STATE_SIZE
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};
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Idle maIdle { "svx::SvxModifyControl maIdle" };
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Image maImages[MODIFICATION_STATE_SIZE];
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ModificationState mnModState;
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ImplData():
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mnModState(MODIFICATION_STATE_NO)
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{
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maImages[MODIFICATION_STATE_NO] = Image(StockImage::Yes, RID_SVXBMP_DOC_MODIFIED_NO);
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maImages[MODIFICATION_STATE_YES] = Image(StockImage::Yes, RID_SVXBMP_DOC_MODIFIED_YES);
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maImages[MODIFICATION_STATE_FEEDBACK] = Image(StockImage::Yes, RID_SVXBMP_DOC_MODIFIED_FEEDBACK);
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maIdle.SetPriority(TaskPriority::LOWEST);
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}
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};
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SvxModifyControl::SvxModifyControl( sal_uInt16 _nSlotId, sal_uInt16 _nId, StatusBar& rStb ) :
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SfxStatusBarControl( _nSlotId, _nId, rStb ),
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mxImpl(std::make_shared<ImplData>())
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{
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mxImpl->maIdle.SetInvokeHandler( LINK(this, SvxModifyControl, OnTimer) );
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}
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void SvxModifyControl::StateChangedAtStatusBarControl( sal_uInt16, SfxItemState eState,
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const SfxPoolItem* pState )
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{
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if ( SfxItemState::DEFAULT != eState )
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return;
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DBG_ASSERT( dynamic_cast<const SfxBoolItem*>( pState) != nullptr, "invalid item type" );
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const SfxBoolItem* pItem = static_cast<const SfxBoolItem*>(pState);
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mxImpl->maIdle.Stop();
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bool modified = pItem->GetValue();
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bool start = ( !modified && mxImpl->mnModState == ImplData::MODIFICATION_STATE_YES); // should timer be started and feedback image displayed ?
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mxImpl->mnModState = (start ? ImplData::MODIFICATION_STATE_FEEDBACK : (modified ? ImplData::MODIFICATION_STATE_YES : ImplData::MODIFICATION_STATE_NO));
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_repaint();
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TranslateId pResId = modified ? RID_SVXSTR_DOC_MODIFIED_YES : RID_SVXSTR_DOC_MODIFIED_NO;
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GetStatusBar().SetQuickHelpText(GetId(), SvxResId(pResId));
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if ( start )
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mxImpl->maIdle.Start();
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}
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IMPL_LINK( SvxModifyControl, OnTimer, Timer *, pTimer, void )
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{
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if (pTimer == nullptr)
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return;
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pTimer->Stop();
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mxImpl->mnModState = ImplData::MODIFICATION_STATE_NO;
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_repaint();
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}
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void SvxModifyControl::_repaint()
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{
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GetStatusBar().SetItemData( GetId(), nullptr ); // force repaint
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}
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/**
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* Given a bounding rectangle and an image, determine the top-left position
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* of the image so that the image would look centered both horizontally and
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* vertically.
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*
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* @param rBoundingRect bounding rectangle
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* @param rImg image
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*
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* @return Point top-left corner of the centered image position
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*/
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Point centerImage(const tools::Rectangle& rBoundingRect, const Image& rImg)
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{
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Size aImgSize = rImg.GetSizePixel();
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Size aRectSize = rBoundingRect.GetSize();
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tools::Long nXOffset = (aRectSize.getWidth() - aImgSize.getWidth())/2;
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tools::Long nYOffset = (aRectSize.getHeight() - aImgSize.getHeight())/2;
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Point aPt = rBoundingRect.TopLeft();
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aPt += Point(nXOffset, nYOffset);
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return aPt;
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}
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void SvxModifyControl::Paint( const UserDrawEvent& rUsrEvt )
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{
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vcl::RenderContext* pDev = rUsrEvt.GetRenderContext();
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tools::Rectangle aRect(rUsrEvt.GetRect());
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ImplData::ModificationState state = mxImpl->mnModState;
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Point aPt = centerImage(aRect, mxImpl->maImages[state]);
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pDev->DrawImage(aPt, mxImpl->maImages[state]);
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}
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void SvxModifyControl::Click()
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{
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if (mxImpl->mnModState != ImplData::MODIFICATION_STATE_YES)
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// document not modified. nothing to do here.
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return;
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Sequence<PropertyValue> aArgs;
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execute(u".uno:Save"_ustr, aArgs);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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