diff options
Diffstat (limited to 'svx/source/stbctrls/modctrl.cxx')
| -rw-r--r-- | svx/source/stbctrls/modctrl.cxx | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/svx/source/stbctrls/modctrl.cxx b/svx/source/stbctrls/modctrl.cxx new file mode 100644 index 000000000..ef1f8a68b --- /dev/null +++ b/svx/source/stbctrls/modctrl.cxx @@ -0,0 +1,160 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <vcl/status.hxx> +#include <vcl/image.hxx> +#include <vcl/timer.hxx> +#include <vcl/idle.hxx> +#include <vcl/event.hxx> +#include <svl/eitem.hxx> +#include <tools/debug.hxx> + +#include <svx/strings.hrc> +#include <svx/modctrl.hxx> +#include <svx/dialmgr.hxx> + +#include <com/sun/star/beans/PropertyValue.hpp> +#include "modctrl_internal.hxx" +#include <bitmaps.hlst> + +using ::com::sun::star::uno::Sequence; +using ::com::sun::star::beans::PropertyValue; + +SFX_IMPL_STATUSBAR_CONTROL(SvxModifyControl, SfxBoolItem); + +struct SvxModifyControl::ImplData +{ + enum ModificationState + { + MODIFICATION_STATE_NO = 0, + MODIFICATION_STATE_YES, + MODIFICATION_STATE_FEEDBACK, + MODIFICATION_STATE_SIZE + }; + + Idle maIdle; + Image maImages[MODIFICATION_STATE_SIZE]; + + ModificationState mnModState; + + ImplData(): + mnModState(MODIFICATION_STATE_NO) + { + maImages[MODIFICATION_STATE_NO] = Image(StockImage::Yes, RID_SVXBMP_DOC_MODIFIED_NO); + maImages[MODIFICATION_STATE_YES] = Image(StockImage::Yes, RID_SVXBMP_DOC_MODIFIED_YES); + maImages[MODIFICATION_STATE_FEEDBACK] = Image(StockImage::Yes, RID_SVXBMP_DOC_MODIFIED_FEEDBACK); + + maIdle.SetPriority(TaskPriority::LOWEST); + maIdle.SetDebugName("svx::SvxModifyControl maIdle"); + } +}; + +SvxModifyControl::SvxModifyControl( sal_uInt16 _nSlotId, sal_uInt16 _nId, StatusBar& rStb ) : + SfxStatusBarControl( _nSlotId, _nId, rStb ), + mxImpl(std::make_shared<ImplData>()) +{ + mxImpl->maIdle.SetInvokeHandler( LINK(this, SvxModifyControl, OnTimer) ); +} + + +void SvxModifyControl::StateChanged( sal_uInt16, SfxItemState eState, + const SfxPoolItem* pState ) +{ + if ( SfxItemState::DEFAULT != eState ) + return; + + DBG_ASSERT( dynamic_cast<const SfxBoolItem*>( pState) != nullptr, "invalid item type" ); + const SfxBoolItem* pItem = static_cast<const SfxBoolItem*>(pState); + mxImpl->maIdle.Stop(); + + bool modified = pItem->GetValue(); + bool start = ( !modified && mxImpl->mnModState == ImplData::MODIFICATION_STATE_YES); // should timer be started and feedback image displayed ? + + mxImpl->mnModState = (start ? ImplData::MODIFICATION_STATE_FEEDBACK : (modified ? ImplData::MODIFICATION_STATE_YES : ImplData::MODIFICATION_STATE_NO)); + + _repaint(); + + const char* pResId = modified ? RID_SVXSTR_DOC_MODIFIED_YES : RID_SVXSTR_DOC_MODIFIED_NO; + GetStatusBar().SetQuickHelpText(GetId(), SvxResId(pResId)); + + if ( start ) + mxImpl->maIdle.Start(); +} + + +IMPL_LINK( SvxModifyControl, OnTimer, Timer *, pTimer, void ) +{ + if (pTimer == nullptr) + return; + + pTimer->Stop(); + mxImpl->mnModState = ImplData::MODIFICATION_STATE_NO; + + _repaint(); +} + + +void SvxModifyControl::_repaint() +{ + GetStatusBar().SetItemData( GetId(), nullptr ); // force repaint +} + +/** + * Given a bounding rectangle and an image, determine the top-left position + * of the image so that the image would look centered both horizontally and + * vertically. + * + * @param rBoundingRect bounding rectangle + * @param rImg image + * + * @return Point top-left corner of the centered image position + */ +Point centerImage(const tools::Rectangle& rBoundingRect, const Image& rImg) +{ + Size aImgSize = rImg.GetSizePixel(); + Size aRectSize = rBoundingRect.GetSize(); + long nXOffset = (aRectSize.getWidth() - aImgSize.getWidth())/2; + long nYOffset = (aRectSize.getHeight() - aImgSize.getHeight())/2; + Point aPt = rBoundingRect.TopLeft(); + aPt += Point(nXOffset, nYOffset); + return aPt; +} + +void SvxModifyControl::Paint( const UserDrawEvent& rUsrEvt ) +{ + vcl::RenderContext* pDev = rUsrEvt.GetRenderContext(); + tools::Rectangle aRect(rUsrEvt.GetRect()); + + ImplData::ModificationState state = mxImpl->mnModState; + Point aPt = centerImage(aRect, mxImpl->maImages[state]); + pDev->DrawImage(aPt, mxImpl->maImages[state]); +} + +void SvxModifyControl::Click() +{ + if (mxImpl->mnModState != ImplData::MODIFICATION_STATE_YES) + // document not modified. nothing to do here. + return; + + Sequence<PropertyValue> aArgs; + execute(".uno:Save", aArgs); +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |