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+/* -*- 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 <config_wasm_strip.h>
+
+#include <vcl/event.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/settings.hxx>
+#include <vcl/virdev.hxx>
+
+#include <svx/ucsubset.hxx>
+#include <unordered_map>
+
+#include <svx/searchcharmap.hxx>
+
+#include <charmapacc.hxx>
+
+#include <rtl/ustrbuf.hxx>
+
+using namespace ::com::sun::star::accessibility;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star;
+
+
+SvxSearchCharSet::SvxSearchCharSet(std::unique_ptr<weld::ScrolledWindow> pScrolledWindow, const VclPtr<VirtualDevice>& rVirDev)
+ : SvxShowCharSet(std::move(pScrolledWindow), rVirDev)
+{
+}
+
+int SvxSearchCharSet::LastInView() const
+{
+ int nIndex = FirstInView();
+ nIndex += ROW_COUNT * COLUMN_COUNT - 1;
+ return std::min<int>(nIndex, getMaxCharCount() -1);
+}
+
+bool SvxSearchCharSet::KeyInput(const KeyEvent& rKEvt)
+{
+ vcl::KeyCode aCode = rKEvt.GetKeyCode();
+
+ if (aCode.GetModifier())
+ return false;
+
+ int tmpSelected = nSelectedIndex;
+
+ bool bRet = true;
+
+ switch (aCode.GetCode())
+ {
+ case KEY_RETURN:
+ return SvxShowCharSet::KeyInput(rKEvt);
+ case KEY_SPACE:
+ aDoubleClkHdl.Call(this);
+ return true;
+ case KEY_LEFT:
+ --tmpSelected;
+ break;
+ case KEY_RIGHT:
+ ++tmpSelected;
+ break;
+ case KEY_UP:
+ tmpSelected -= COLUMN_COUNT;
+ break;
+ case KEY_DOWN:
+ tmpSelected += COLUMN_COUNT;
+ break;
+ case KEY_PAGEUP:
+ tmpSelected -= ROW_COUNT * COLUMN_COUNT;
+ break;
+ case KEY_PAGEDOWN:
+ tmpSelected += ROW_COUNT * COLUMN_COUNT;
+ break;
+ case KEY_HOME:
+ tmpSelected = 0;
+ break;
+ case KEY_END:
+ tmpSelected = getMaxCharCount() - 1;
+ break;
+ case KEY_TAB: // some fonts have a character at these unicode control codes
+ case KEY_ESCAPE:
+ bRet = false;
+ tmpSelected = - 1; // mark as invalid
+ break;
+ default:
+ tmpSelected = -1;
+ bRet = false;
+ break;
+ }
+
+ if ( tmpSelected >= 0 )
+ {
+ SelectIndex( tmpSelected, true );
+ aPreSelectHdl.Call( this );
+ }
+
+ return bRet;
+}
+
+void SvxSearchCharSet::SelectCharacter( const Subset* sub )
+{
+ if (!mxFontCharMap.is())
+ RecalculateFont(*mxVirDev);
+
+ // get next available char of current font
+ sal_UCS4 cChar = sub->GetRangeMin();
+ int nMapIndex = 0;
+
+ while(cChar <= sub->GetRangeMax() && nMapIndex == 0)
+ {
+ auto it = std::find_if(m_aItemList.begin(), m_aItemList.end(),
+ [&cChar](const std::pair<const sal_Int32, sal_UCS4>& rItem) { return rItem.second == cChar; });
+ if (it != m_aItemList.end())
+ nMapIndex = it->first;
+ cChar++;
+ }
+
+ if(nMapIndex == 0)
+ SelectIndex( 0 );
+ else
+ SelectIndex( nMapIndex );
+ aHighHdl.Call(this);
+ // move selected item to top row if not in focus
+ //TO.DO aVscrollSB->SetThumbPos( nMapIndex / COLUMN_COUNT );
+ Invalidate();
+}
+
+sal_UCS4 SvxSearchCharSet::GetCharFromIndex(int index) const
+{
+ std::unordered_map<sal_Int32, sal_UCS4>::const_iterator got = m_aItemList.find(index);
+ return (got != m_aItemList.end()) ? got->second : 0;
+}
+
+void SvxSearchCharSet::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
+{
+ InitSettings(rRenderContext);
+ RecalculateFont(rRenderContext);
+ DrawChars_Impl(rRenderContext, FirstInView(), LastInView());
+}
+
+sal_UCS4 SvxSearchCharSet::GetSelectCharacter() const
+{
+ if( nSelectedIndex >= 0 )
+ {
+ std::unordered_map<sal_Int32,sal_UCS4>::const_iterator got = m_aItemList.find (nSelectedIndex);
+
+ if(got == m_aItemList.end())
+ return 1;
+ else
+ return got->second;
+ }
+ return 1;
+}
+
+void SvxSearchCharSet::RecalculateFont(vcl::RenderContext& rRenderContext)
+{
+ if (!mbRecalculateFont)
+ return;
+
+ Size aSize(GetOutputSizePixel());
+
+ vcl::Font aFont = rRenderContext.GetFont();
+ aFont.SetWeight(WEIGHT_LIGHT);
+ aFont.SetAlignment(ALIGN_TOP);
+ int nFontHeight = (aSize.Height() - 5) * 2 / (3 * ROW_COUNT);
+ maFontSize = rRenderContext.PixelToLogic(Size(0, nFontHeight));
+ aFont.SetFontSize(maFontSize);
+ aFont.SetTransparent(true);
+ rRenderContext.SetFont(aFont);
+ rRenderContext.GetFontCharMap(mxFontCharMap);
+ m_aItems.clear();
+ getFavCharacterList();
+
+ nX = aSize.Width() / COLUMN_COUNT;
+ nY = aSize.Height() / ROW_COUNT;
+
+ UpdateScrollRange();
+
+ // rearrange CharSet element in sync with nX- and nY-multiples
+ Size aDrawSize(nX * COLUMN_COUNT, nY * ROW_COUNT);
+ m_nXGap = (aSize.Width() - aDrawSize.Width()) / 2;
+ m_nYGap = (aSize.Height() - aDrawSize.Height()) / 2;
+
+ mbRecalculateFont = false;
+}
+
+void SvxSearchCharSet::UpdateScrollRange()
+{
+ //scrollbar settings
+ int nLastRow = (getMaxCharCount() - 1 + COLUMN_COUNT) / COLUMN_COUNT;
+ mxScrollArea->vadjustment_configure(mxScrollArea->vadjustment_get_value(), 0, nLastRow, 1, ROW_COUNT - 1, ROW_COUNT);
+}
+
+void SvxSearchCharSet::SelectIndex(int nNewIndex, bool bFocus)
+{
+ if (!mxFontCharMap.is())
+ RecalculateFont(*mxVirDev);
+
+ if( nNewIndex < 0 )
+ {
+ mxScrollArea->vadjustment_set_value(0);
+ nSelectedIndex = bFocus ? 0 : -1;
+ Invalidate();
+ }
+ else if( nNewIndex < FirstInView() )
+ {
+ // need to scroll up to see selected item
+ int nOldPos = mxScrollArea->vadjustment_get_value();
+ int nDelta = (FirstInView() - nNewIndex + COLUMN_COUNT-1) / COLUMN_COUNT;
+ mxScrollArea->vadjustment_set_value(nOldPos - nDelta);
+ nSelectedIndex = nNewIndex;
+ Invalidate();
+ }
+ else if( nNewIndex > LastInView() )
+ {
+ // need to scroll down to see selected item
+ int nOldPos = mxScrollArea->vadjustment_get_value();
+ int nDelta = (nNewIndex - LastInView() + COLUMN_COUNT) / COLUMN_COUNT;
+ mxScrollArea->vadjustment_set_value(nOldPos + nDelta);
+
+ if (nNewIndex < getMaxCharCount())
+ {
+ nSelectedIndex = nNewIndex;
+ Invalidate();
+ }
+ else if (nOldPos != mxScrollArea->vadjustment_get_value())
+ {
+ Invalidate();
+ }
+ }
+ else
+ {
+ nSelectedIndex = nNewIndex;
+ Invalidate();
+ }
+
+ if( nSelectedIndex >= 0 )
+ {
+#if 0
+ if( m_xAccessible.is() )
+ {
+ svx::SvxShowCharSetItem* pItem = ImplGetItem(nSelectedIndex);
+ // Don't fire the focus event.
+ if ( bFocus )
+ m_xAccessible->fireEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, Any(), makeAny(pItem->GetAccessible()) ); // this call assures that m_pItem is set
+ else
+ m_xAccessible->fireEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED_NOFOCUS, Any(), makeAny(pItem->GetAccessible()) ); // this call assures that m_pItem is set
+
+ assert(pItem->m_xItem.is() && "No accessible created!");
+ Any aOldAny, aNewAny;
+ aNewAny <<= AccessibleStateType::FOCUSED;
+ // Don't fire the focus event.
+ if ( bFocus )
+ pItem->m_xItem->fireEvent( AccessibleEventId::STATE_CHANGED, aOldAny, aNewAny );
+
+ aNewAny <<= AccessibleStateType::SELECTED;
+ pItem->m_xItem->fireEvent( AccessibleEventId::STATE_CHANGED, aOldAny, aNewAny );
+ }
+#endif
+ aSelectHdl.Call(this);
+ }
+ aHighHdl.Call( this );
+}
+
+SvxSearchCharSet::~SvxSearchCharSet()
+{
+}
+
+svx::SvxShowCharSetItem* SvxSearchCharSet::ImplGetItem( int _nPos )
+{
+ ItemsMap::iterator aFind = m_aItems.find(_nPos);
+ if ( aFind == m_aItems.end() )
+ {
+#if !ENABLE_WASM_STRIP_ACCESSIBILITY
+ OSL_ENSURE(m_xAccessible.is(), "Who wants to create a child of my table without a parent?");
+#endif
+ auto xItem = std::make_shared<svx::SvxShowCharSetItem>(*this,
+ m_xAccessible.get(), sal::static_int_cast< sal_uInt16 >(_nPos));
+ aFind = m_aItems.emplace(_nPos, xItem).first;
+ OUStringBuffer buf;
+ std::unordered_map<sal_Int32,sal_UCS4>::const_iterator got = m_aItemList.find (_nPos);
+ if (got != m_aItemList.end())
+ buf.appendUtf32(got->second);
+ aFind->second->maText = buf.makeStringAndClear();
+ Point pix = MapIndexToPixel( _nPos );
+ aFind->second->maRect = tools::Rectangle( Point( pix.X() + 1, pix.Y() + 1 ), Size(nX-1,nY-1) );
+ }
+
+ return aFind->second.get();
+}
+
+sal_Int32 SvxSearchCharSet::getMaxCharCount() const
+{
+ return m_aItemList.size();
+}
+
+void SvxSearchCharSet::ClearPreviousData()
+{
+ m_aItemList.clear();
+ Invalidate();
+}
+
+void SvxSearchCharSet::AppendCharToList(sal_UCS4 sChar)
+{
+ m_aItemList.insert(std::make_pair(m_aItemList.size(), sChar));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 16:47:41 +0000