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0ef2c192c0
The basic value is Inset::textOffset(BufferView*), which can in theory change with the BufferView zoom and dpi. It is hardcoded to 4 for now. Moreover, we introduce the virtual inset methods (top|bottom|left|right)Offset, which can be tweaked for each inset. No change intended (for now).
408 lines
8.6 KiB
C++
408 lines
8.6 KiB
C++
/**
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* \file InsetPhantom.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Uwe Stöhr
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "InsetPhantom.h"
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#include "Buffer.h"
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#include "BufferParams.h"
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#include "BufferView.h"
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#include "BufferParams.h"
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#include "Cursor.h"
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#include "Dimension.h"
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#include "DispatchResult.h"
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#include "Exporter.h"
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#include "FuncRequest.h"
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#include "FuncStatus.h"
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#include "InsetIterator.h"
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#include "LaTeXFeatures.h"
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#include "Lexer.h"
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#include "MetricsInfo.h"
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#include "OutputParams.h"
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#include "texstream.h"
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#include "TextClass.h"
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#include "support/docstream.h"
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#include "support/gettext.h"
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#include "support/lstrings.h"
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#include "support/Translator.h"
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#include "frontends/Application.h"
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#include "frontends/FontMetrics.h"
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#include "frontends/Painter.h"
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#include <algorithm>
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#include <sstream>
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using namespace std;
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namespace lyx {
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namespace {
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typedef Translator<string, InsetPhantomParams::Type> PhantomTranslator;
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typedef Translator<docstring, InsetPhantomParams::Type> PhantomTranslatorLoc;
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PhantomTranslator const init_phantomtranslator()
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{
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PhantomTranslator translator("Phantom", InsetPhantomParams::Phantom);
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translator.addPair("HPhantom", InsetPhantomParams::HPhantom);
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translator.addPair("VPhantom", InsetPhantomParams::VPhantom);
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return translator;
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}
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PhantomTranslatorLoc const init_phantomtranslator_loc()
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{
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PhantomTranslatorLoc translator(_("Phantom"), InsetPhantomParams::Phantom);
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translator.addPair(_("HPhantom"), InsetPhantomParams::HPhantom);
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translator.addPair(_("VPhantom"), InsetPhantomParams::VPhantom);
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return translator;
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}
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PhantomTranslator const & phantomtranslator()
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{
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static PhantomTranslator const translator =
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init_phantomtranslator();
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return translator;
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}
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PhantomTranslatorLoc const & phantomtranslator_loc()
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{
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static PhantomTranslatorLoc const translator =
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init_phantomtranslator_loc();
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return translator;
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}
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} // namespace
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InsetPhantomParams::InsetPhantomParams()
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: type(Phantom)
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{}
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void InsetPhantomParams::write(ostream & os) const
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{
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string const label = phantomtranslator().find(type);
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os << "Phantom " << label << "\n";
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}
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void InsetPhantomParams::read(Lexer & lex)
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{
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string label;
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lex >> label;
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if (lex)
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type = phantomtranslator().find(label);
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}
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/////////////////////////////////////////////////////////////////////
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//
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// InsetPhantom
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//
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/////////////////////////////////////////////////////////////////////
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InsetPhantom::InsetPhantom(Buffer * buf, string const & label)
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: InsetCollapsible(buf)
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{
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setDrawFrame(false);
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params_.type = phantomtranslator().find(label);
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}
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InsetPhantom::~InsetPhantom()
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{
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hideDialogs("phantom", this);
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}
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docstring InsetPhantom::layoutName() const
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{
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return from_ascii("Phantom:" + phantomtranslator().find(params_.type));
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}
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void InsetPhantom::draw(PainterInfo & pi, int x, int y) const
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{
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// draw the text
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InsetCollapsible::draw(pi, x, y);
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// draw the inset marker
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drawMarkers(pi, x, y);
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// draw the arrow(s)
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static int const arrow_size = 4;
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ColorCode const origcol = pi.base.font.color();
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pi.base.font.setColor(Color_special);
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pi.base.font.setColor(origcol);
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Dimension const dim = dimension(*pi.base.bv);
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if (params_.type == InsetPhantomParams::Phantom ||
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params_.type == InsetPhantomParams::VPhantom) {
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// y1---------
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// / \.
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// y2----- / | \.
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// |
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// |
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// y3----- \ | /
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// \ /
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// y4---------
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// | | |
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// / | \.
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// x1 x2 x3
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int const x2 = x + dim.wid / 2;
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int const x1 = x2 - arrow_size;
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int const x3 = x2 + arrow_size;
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int const y1 = y - dim.asc;
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int const y2 = y1 + arrow_size;
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int const y4 = y + dim.des;
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int const y3 = y4 - arrow_size;
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// top arrow
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pi.pain.line(x2, y1, x1, y2, Color_added_space);
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pi.pain.line(x2, y1, x3, y2, Color_added_space);
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// bottom arrow
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pi.pain.line(x2, y4, x1, y3, Color_added_space);
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pi.pain.line(x2, y4, x3, y3, Color_added_space);
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// joining line
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pi.pain.line(x2, y1, x2, y4, Color_added_space);
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}
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if (params_.type == InsetPhantomParams::Phantom ||
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params_.type == InsetPhantomParams::HPhantom) {
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// y1---- / \.
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// / \.
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// y2--- <---------------->
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// \ /
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// y3---- \ /
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// | | | |
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// x1 x2 x3 x4
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x += leftOffset(pi.base.bv);
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int const x1 = x;
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int const x2 = x + arrow_size;
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int const x4 = x + dim.wid - leftOffset(pi.base.bv) - rightOffset(pi.base.bv);
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int const x3 = x4 - arrow_size;
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int const y2 = y + (dim.des - dim.asc) / 2;
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int const y1 = y2 - arrow_size;
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int const y3 = y2 + arrow_size;
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// left arrow
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pi.pain.line(x1, y2, x2, y3, Color_added_space);
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pi.pain.line(x1, y2, x2, y1, Color_added_space);
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// right arrow
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pi.pain.line(x4, y2, x3, y3, Color_added_space);
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pi.pain.line(x4, y2, x3, y1, Color_added_space);
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// joining line
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pi.pain.line(x1, y2, x4, y2, Color_added_space);
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}
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}
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void InsetPhantom::write(ostream & os) const
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{
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params_.write(os);
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InsetCollapsible::write(os);
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}
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void InsetPhantom::read(Lexer & lex)
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{
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params_.read(lex);
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InsetCollapsible::read(lex);
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}
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void InsetPhantom::setButtonLabel()
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{
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docstring const label = phantomtranslator_loc().find(params_.type);
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setLabel(label);
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}
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bool InsetPhantom::showInsetDialog(BufferView * bv) const
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{
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bv->showDialog("phantom", params2string(params()),
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const_cast<InsetPhantom *>(this));
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return true;
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}
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void InsetPhantom::doDispatch(Cursor & cur, FuncRequest & cmd)
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{
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switch (cmd.action()) {
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case LFUN_INSET_MODIFY:
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cur.recordUndoInset(this);
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string2params(to_utf8(cmd.argument()), params_);
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setButtonLabel();
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cur.forceBufferUpdate();
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break;
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case LFUN_INSET_DIALOG_UPDATE:
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cur.bv().updateDialog("phantom", params2string(params()));
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break;
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default:
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InsetCollapsible::doDispatch(cur, cmd);
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break;
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}
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}
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bool InsetPhantom::getStatus(Cursor & cur, FuncRequest const & cmd,
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FuncStatus & flag) const
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{
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switch (cmd.action()) {
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case LFUN_INSET_MODIFY:
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if (cmd.getArg(0) == "phantom") {
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InsetPhantomParams params;
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string2params(to_utf8(cmd.argument()), params);
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flag.setOnOff(params_.type == params.type);
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}
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flag.setEnabled(true);
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return true;
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case LFUN_INSET_DIALOG_UPDATE:
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flag.setEnabled(true);
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return true;
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default:
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return InsetCollapsible::getStatus(cur, cmd, flag);
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}
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}
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docstring InsetPhantom::toolTip(BufferView const &, int, int) const
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{
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docstring const res = phantomtranslator_loc().find(params_.type);
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return toolTipText(res + from_ascii(": "));
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}
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void InsetPhantom::latex(otexstream & os, OutputParams const & runparams) const
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{
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if (runparams.moving_arg)
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os << "\\protect";
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switch (params_.type) {
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case InsetPhantomParams::Phantom:
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os << "\\phantom{";
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break;
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case InsetPhantomParams::HPhantom:
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os << "\\hphantom{";
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break;
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case InsetPhantomParams::VPhantom:
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os << "\\vphantom{";
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break;
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default:
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os << "\\phantom{";
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break;
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}
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InsetCollapsible::latex(os, runparams);
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os << "}";
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}
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int InsetPhantom::plaintext(odocstringstream & os,
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OutputParams const & runparams, size_t max_length) const
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{
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switch (params_.type) {
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case InsetPhantomParams::Phantom:
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os << '[' << buffer().B_("phantom") << ":";
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break;
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case InsetPhantomParams::HPhantom:
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os << '[' << buffer().B_("hphantom") << ":";
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break;
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case InsetPhantomParams::VPhantom:
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os << '[' << buffer().B_("vphantom") << ":";
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break;
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default:
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os << '[' << buffer().B_("phantom") << ":";
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break;
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}
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InsetCollapsible::plaintext(os, runparams, max_length);
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os << "]";
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return PLAINTEXT_NEWLINE;
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}
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int InsetPhantom::docbook(odocstream & os, OutputParams const & runparams) const
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{
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docstring cmdname;
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switch (params_.type) {
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case InsetPhantomParams::Phantom:
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case InsetPhantomParams::HPhantom:
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case InsetPhantomParams::VPhantom:
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default:
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cmdname = from_ascii("phantom");
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break;
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}
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os << "<" + cmdname + ">";
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int const i = InsetCollapsible::docbook(os, runparams);
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os << "</" + cmdname + ">";
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return i;
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}
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docstring InsetPhantom::xhtml(XHTMLStream &, OutputParams const &) const
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{
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return docstring();
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}
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string InsetPhantom::contextMenuName() const
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{
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return "context-phantom";
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}
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string InsetPhantom::params2string(InsetPhantomParams const & params)
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{
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ostringstream data;
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data << "phantom" << ' ';
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params.write(data);
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return data.str();
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}
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void InsetPhantom::string2params(string const & in, InsetPhantomParams & params)
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{
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params = InsetPhantomParams();
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if (in.empty())
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return;
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istringstream data(in);
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Lexer lex;
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lex.setStream(data);
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lex.setContext("InsetPhantom::string2params");
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lex >> "phantom" >> "Phantom";
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params.read(lex);
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}
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} // namespace lyx
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