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https://git.lyx.org/repos/lyx.git
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78ec40122d
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@10663 a592a061-630c-0410-9148-cb99ea01b6c8
405 lines
8.7 KiB
C
405 lines
8.7 KiB
C
/**
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* \file insetcollapsable.C
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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 Alejandro Aguilar Sierra
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* \author Jürgen Vigna
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* \author Lars Gullik Bjønnes
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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 "insetcollapsable.h"
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#include "buffer.h"
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#include "BufferView.h"
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#include "cursor.h"
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#include "debug.h"
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#include "dispatchresult.h"
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#include "FuncStatus.h"
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#include "LColor.h"
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#include "lyxlex.h"
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#include "funcrequest.h"
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#include "metricsinfo.h"
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#include "paragraph.h"
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#include "frontends/font_metrics.h"
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#include "frontends/Painter.h"
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#include "frontends/LyXView.h"
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using lyx::graphics::PreviewLoader;
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using std::endl;
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using std::string;
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using std::max;
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using std::min;
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using std::ostream;
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InsetCollapsable::CollapseStatus InsetCollapsable::status() const
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{
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return (autoOpen_ && status_ != Inlined) ? Open : status_;
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}
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InsetCollapsable::InsetCollapsable
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(BufferParams const & bp, CollapseStatus status)
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: InsetText(bp), label("Label"), status_(status),
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openinlined_(false), autoOpen_(false)
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{
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setAutoBreakRows(true);
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setDrawFrame(true);
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setFrameColor(LColor::collapsableframe);
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setInsetName("Collapsable");
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setButtonLabel();
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}
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void InsetCollapsable::write(Buffer const & buf, ostream & os) const
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{
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os << "status ";
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switch (status_) {
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case Open:
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os << "open";
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break;
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case Collapsed:
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os << "collapsed";
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break;
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case Inlined:
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os << "inlined";
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break;
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}
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os << "\n";
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text_.write(buf, os);
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}
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void InsetCollapsable::read(Buffer const & buf, LyXLex & lex)
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{
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bool token_found = false;
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if (lex.isOK()) {
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lex.next();
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string const token = lex.getString();
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if (token == "status") {
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lex.next();
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string const tmp_token = lex.getString();
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if (tmp_token == "inlined") {
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status_ = Inlined;
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token_found = true;
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} else if (tmp_token == "collapsed") {
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status_ = Collapsed;
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token_found = true;
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} else if (tmp_token == "open") {
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status_ = Open;
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token_found = true;
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} else {
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lyxerr << "InsetCollapsable::read: Missing status!"
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<< endl;
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// Take countermeasures
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lex.pushToken(token);
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}
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} else {
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lyxerr << "InsetCollapsable::read: Missing 'status'-tag!"
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<< endl;
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// take countermeasures
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lex.pushToken(token);
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}
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}
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InsetText::read(buf, lex);
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if (!token_found)
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status_ = isOpen() ? Open : Collapsed;
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setButtonLabel();
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}
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Dimension InsetCollapsable::dimensionCollapsed() const
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{
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Dimension dim;
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font_metrics::buttonText(label, labelfont_, dim.wid, dim.asc, dim.des);
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return dim;
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}
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void InsetCollapsable::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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autoOpen_ = mi.base.bv->cursor().isInside(this);
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mi.base.textwidth -= 2 * TEXT_TO_INSET_OFFSET;
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if (status() == Inlined) {
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InsetText::metrics(mi, dim);
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} else {
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dim = dimensionCollapsed();
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if (status() == Open) {
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InsetText::metrics(mi, textdim_);
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bool oldopeninlined = openinlined_;
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openinlined_ = (textdim_.wid + dim.wid <= mi.base.textwidth);
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if (openinlined_ != oldopeninlined)
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InsetText::metrics(mi, textdim_);
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if (openinlined_) {
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dim.wid += textdim_.wid;
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dim.des = max(dim.des - textdim_.asc + dim.asc, textdim_.des);
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dim.asc = textdim_.asc;
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} else {
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dim.des += textdim_.height() + TEXT_TO_BOTTOM_OFFSET;
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dim.wid = max(dim.wid, textdim_.wid);
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}
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}
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}
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dim.asc += TEXT_TO_INSET_OFFSET;
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dim.des += TEXT_TO_INSET_OFFSET;
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dim.wid += 2 * TEXT_TO_INSET_OFFSET;
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mi.base.textwidth += 2 * TEXT_TO_INSET_OFFSET;
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dim_ = dim;
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}
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void InsetCollapsable::draw(PainterInfo & pi, int x, int y) const
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{
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const int xx = x + TEXT_TO_INSET_OFFSET;
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if (status() == Inlined) {
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InsetText::draw(pi, xx, y);
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} else {
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Dimension dimc = dimensionCollapsed();
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int const top = y - ascent() + TEXT_TO_INSET_OFFSET;
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button_dim.x1 = xx + 0;
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button_dim.x2 = xx + dimc.width();
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button_dim.y1 = top;
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button_dim.y2 = top + dimc.height();
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pi.pain.buttonText(xx, top + dimc.asc, label, labelfont_);
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if (status() == Open) {
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int textx, texty;
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if (openinlined_) {
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textx = xx + dimc.width();
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texty = top + textdim_.asc;
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} else {
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textx = xx;
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texty = top + dimc.height() + textdim_.asc;
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}
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InsetText::draw(pi, textx, texty);
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}
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}
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setPosCache(pi, x, y);
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}
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void InsetCollapsable::drawSelection(PainterInfo & pi, int x, int y) const
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{
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x += TEXT_TO_INSET_OFFSET;
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if (status() == Open) {
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if (openinlined_)
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x += dimensionCollapsed().wid;
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else
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y += dimensionCollapsed().des + textdim_.asc;
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}
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if (status() != Collapsed)
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InsetText::drawSelection(pi, x, y);
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}
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void InsetCollapsable::cursorPos
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(CursorSlice const & sl, bool boundary, int & x, int & y) const
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{
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BOOST_ASSERT(status() != Collapsed);
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InsetText::cursorPos(sl, boundary, x, y);
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if (status() == Open) {
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if (openinlined_)
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x += dimensionCollapsed().wid;
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else
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y += dimensionCollapsed().height() - ascent()
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+ TEXT_TO_INSET_OFFSET + textdim_.asc;
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}
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x += TEXT_TO_INSET_OFFSET;
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}
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InsetBase::EDITABLE InsetCollapsable::editable() const
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{
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return status() != Collapsed ? HIGHLY_EDITABLE : IS_EDITABLE;
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}
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bool InsetCollapsable::descendable() const
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{
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return status() != Collapsed;
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}
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bool InsetCollapsable::hitButton(FuncRequest const & cmd) const
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{
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return button_dim.contains(cmd.x, cmd.y);
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}
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string const InsetCollapsable::getNewLabel(string const & l) const
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{
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string label;
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pos_type const max_length = 15;
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pos_type const p_siz = paragraphs().begin()->size();
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pos_type const n = min(max_length, p_siz);
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pos_type i = 0;
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pos_type j = 0;
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for (; i < n && j < p_siz; ++j) {
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if (paragraphs().begin()->isInset(j))
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continue;
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label += paragraphs().begin()->getChar(j);
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++i;
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}
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if (paragraphs().size() > 1 || (i > 0 && j < p_siz)) {
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label += "...";
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}
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return label.empty() ? l : label;
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}
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void InsetCollapsable::edit(LCursor & cur, bool left)
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{
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//lyxerr << "InsetCollapsable: edit left/right" << endl;
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cur.push(*this);
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InsetText::edit(cur, left);
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}
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InsetBase * InsetCollapsable::editXY(LCursor & cur, int x, int y)
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{
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//lyxerr << "InsetCollapsable: edit xy" << endl;
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if (status() == Collapsed)
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return this;
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cur.push(*this);
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return InsetText::editXY(cur, x, y);
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}
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void InsetCollapsable::doDispatch(LCursor & cur, FuncRequest & cmd)
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{
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//lyxerr << "InsetCollapsable::doDispatch (begin): cmd: " << cmd
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// << " cur: " << cur << " bvcur: " << cur.bv().cursor() << endl;
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switch (cmd.action) {
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case LFUN_MOUSE_PRESS:
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if (status() == Inlined)
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InsetText::doDispatch(cur, cmd);
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else if (status() == Open && !hitButton(cmd))
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InsetText::doDispatch(cur, cmd);
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else
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cur.noUpdate();
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break;
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case LFUN_MOUSE_MOTION:
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case LFUN_MOUSE_DOUBLE:
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case LFUN_MOUSE_TRIPLE:
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if (status_ == Inlined)
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InsetText::doDispatch(cur, cmd);
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else if (status() && !hitButton(cmd))
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InsetText::doDispatch(cur, cmd);
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else
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cur.undispatched();
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break;
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case LFUN_MOUSE_RELEASE:
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if (cmd.button() == mouse_button::button3) {
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showInsetDialog(&cur.bv());
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break;
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}
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switch (status()) {
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case Collapsed:
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//lyxerr << "InsetCollapsable::lfunMouseRelease 1" << endl;
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setStatus(cur, Open);
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edit(cur, true);
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cur.bv().cursor() = cur;
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break;
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case Open: {
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if (hitButton(cmd)) {
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//lyxerr << "InsetCollapsable::lfunMouseRelease 2" << endl;
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setStatus(cur, Collapsed);
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cur.bv().cursor() = cur;
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} else {
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//lyxerr << "InsetCollapsable::lfunMouseRelease 3" << endl;
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InsetText::doDispatch(cur, cmd);
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}
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break;
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}
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case Inlined:
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//lyxerr << "InsetCollapsable::lfunMouseRelease 4" << endl;
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InsetText::doDispatch(cur, cmd);
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break;
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}
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break;
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case LFUN_INSET_TOGGLE:
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if (cmd.argument == "open")
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setStatus(cur, Open);
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else if (cmd.argument == "close")
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setStatus(cur, Collapsed);
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else if (cmd.argument == "toggle" || cmd.argument.empty())
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if (isOpen()) {
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setStatus(cur, Collapsed);
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cur.forwardPosNoDescend();
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}
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else
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setStatus(cur, Open);
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else // if assign or anything else
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cur.undispatched();
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cur.dispatched();
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break;
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default:
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InsetText::doDispatch(cur, cmd);
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break;
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}
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}
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bool InsetCollapsable::getStatus(LCursor & 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_TOGGLE:
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if (cmd.argument == "open" || cmd.argument == "close" ||
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cmd.argument == "toggle")
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flag.enabled(true);
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else
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flag.enabled(false);
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return true;
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default:
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return InsetText::getStatus(cur, cmd, flag);
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}
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}
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void InsetCollapsable::setLabel(string const & l)
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{
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label = l;
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}
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void InsetCollapsable::setStatus(LCursor & cur, CollapseStatus status)
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{
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status_ = status;
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setButtonLabel();
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if (status_ == Collapsed)
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cur.leaveInset(*this);
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}
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void InsetCollapsable::setLabelFont(LyXFont & font)
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{
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labelfont_ = font;
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}
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