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Diffstat (limited to 'svx/source/dialog/searchcharmap.cxx')
| -rw-r--r-- | svx/source/dialog/searchcharmap.cxx | 441 |
1 files changed, 441 insertions, 0 deletions
diff --git a/svx/source/dialog/searchcharmap.cxx b/svx/source/dialog/searchcharmap.cxx new file mode 100644 index 000000000..2d8eeaab8 --- /dev/null +++ b/svx/source/dialog/searchcharmap.cxx @@ -0,0 +1,441 @@ +/* -*- 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) + , nCount(0) +{ +} + +int SvxSearchCharSet::LastInView() const +{ + int nIndex = FirstInView(); + nIndex += ROW_COUNT * COLUMN_COUNT - 1; + int nCompare = nCount - 1; + if (nIndex > nCompare) + nIndex = nCompare; + return nIndex; +} + +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_SPACE: + aSelectHdl.Call( this ); + break; + 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 = nCount - 1; + break; + case KEY_TAB: // some fonts have a character at these unicode control codes + case KEY_ESCAPE: + case KEY_RETURN: + 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(); +} + +void SvxSearchCharSet::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&) +{ + InitSettings(rRenderContext); + RecalculateFont(rRenderContext); + DrawChars_Impl(rRenderContext, FirstInView(), LastInView()); +} + +void SvxSearchCharSet::DrawChars_Impl(vcl::RenderContext& rRenderContext, int n1, int n2) +{ + if (n1 > LastInView() || n2 < FirstInView()) + return; + + Size aOutputSize(GetOutputSizePixel()); + + const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings(); + const Color aWindowTextColor(rStyleSettings.GetFieldTextColor()); + Color aHighlightColor(rStyleSettings.GetHighlightColor()); + Color aHighlightTextColor(rStyleSettings.GetHighlightTextColor()); + Color aFaceColor(rStyleSettings.GetFaceColor()); + Color aLightColor(rStyleSettings.GetLightColor()); + Color aShadowColor(rStyleSettings.GetShadowColor()); + + int i; + rRenderContext.SetLineColor(aShadowColor); + for (i = 1; i < COLUMN_COUNT; ++i) + { + rRenderContext.DrawLine(Point(nX * i + m_nXGap, 0), + Point(nX * i + m_nXGap, aOutputSize.Height())); + } + for (i = 1; i < ROW_COUNT; ++i) + { + rRenderContext.DrawLine(Point(0, nY * i + m_nYGap), + Point(aOutputSize.Width(), nY * i + m_nYGap)); + } + + int nTextHeight = rRenderContext.GetTextHeight(); + tools::Rectangle aBoundRect; + for (i = n1; i <= n2; ++i) + { + Point pix = MapIndexToPixel(i); + int x = pix.X(); + int y = pix.Y(); + + OUStringBuffer buf; + std::unordered_map<sal_Int32, sal_UCS4>::const_iterator got = m_aItemList.find (i); + sal_UCS4 sName; + + if(got == m_aItemList.end()) + continue; + else + sName = got->second; + + buf.appendUtf32(sName); + OUString aCharStr(buf.makeStringAndClear()); + int nTextWidth = rRenderContext.GetTextWidth(aCharStr); + int tx = x + (nX - nTextWidth + 1) / 2; + int ty = y + (nY - nTextHeight + 1) / 2; + Point aPointTxTy(tx, ty); + + // adjust position before it gets out of bounds + if (rRenderContext.GetTextBoundRect(aBoundRect, aCharStr) && !aBoundRect.IsEmpty()) + { + // zero advance width => use ink width to center glyph + if (!nTextWidth) + { + aPointTxTy.setX( x - aBoundRect.Left() + (nX - aBoundRect.GetWidth() + 1) / 2 ); + } + + aBoundRect += aPointTxTy; + + // shift back vertically if needed + int nYLDelta = aBoundRect.Top() - y; + int nYHDelta = (y + nY) - aBoundRect.Bottom(); + if (nYLDelta <= 0) + aPointTxTy.AdjustY( -(nYLDelta - 1) ); + else if (nYHDelta <= 0) + aPointTxTy.AdjustY(nYHDelta - 1 ); + + // shift back horizontally if needed + int nXLDelta = aBoundRect.Left() - x; + int nXHDelta = (x + nX) - aBoundRect.Right(); + if (nXLDelta <= 0) + aPointTxTy.AdjustX( -(nXLDelta - 1) ); + else if (nXHDelta <= 0) + aPointTxTy.AdjustX(nXHDelta - 1 ); + } + + Color aTextCol = rRenderContext.GetTextColor(); + if (i != nSelectedIndex) + { + rRenderContext.SetTextColor(aWindowTextColor); + rRenderContext.DrawText(aPointTxTy, aCharStr); + } + else + { + Color aLineCol = rRenderContext.GetLineColor(); + Color aFillCol = rRenderContext.GetFillColor(); + rRenderContext.SetLineColor(); + Point aPointUL(x + 1, y + 1); + if (HasFocus()) + { + rRenderContext.SetFillColor(aHighlightColor); + rRenderContext.DrawRect(getGridRectangle(aPointUL, aOutputSize)); + + rRenderContext.SetTextColor(aHighlightTextColor); + rRenderContext.DrawText(aPointTxTy, aCharStr); + } + else + { + rRenderContext.SetFillColor(aFaceColor); + rRenderContext.DrawRect(getGridRectangle(aPointUL, aOutputSize)); + + rRenderContext.SetLineColor(aLightColor); + rRenderContext.DrawLine(aPointUL, Point(x + nX - 1, y + 1)); + rRenderContext.DrawLine(aPointUL, Point(x + 1, y + nY - 1)); + + rRenderContext.SetLineColor(aShadowColor); + rRenderContext.DrawLine(Point(x + 1, y + nY - 1), Point(x + nX - 1, y + nY - 1)); + rRenderContext.DrawLine(Point(x + nX - 1, y + nY - 1), Point(x + nX - 1, y + 1)); + + rRenderContext.DrawText(aPointTxTy, aCharStr); + } + rRenderContext.SetLineColor(aLineCol); + rRenderContext.SetFillColor(aFillCol); + } + rRenderContext.SetTextColor(aTextCol); + } +} + +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); + 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 = (nCount - 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 < nCount ) + { + 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 + } + 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 nCount; +} + +void SvxSearchCharSet::ClearPreviousData() +{ + m_aItemList.clear(); + nCount = 0; + Invalidate(); +} + +void SvxSearchCharSet::AppendCharToList(sal_UCS4 sChar) +{ + m_aItemList.insert(std::make_pair(nCount++, sChar)); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |