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https://git.lyx.org/repos/lyx.git
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b14052f6a5
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@1840 a592a061-630c-0410-9148-cb99ea01b6c8
459 lines
10 KiB
C
459 lines
10 KiB
C
/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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*
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* Copyright 1998-2001 The LyX Team.
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*
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* ======================================================
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*/
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#include <config.h>
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "insetcollapsable.h"
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#include "gettext.h"
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#include "lyxfont.h"
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#include "BufferView.h"
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#include "Painter.h"
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#include "insets/insettext.h"
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#include "support/LOstream.h"
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#include "support/lstrings.h"
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#include "debug.h"
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#include "lyxtext.h"
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class LyXText;
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using std::ostream;
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using std::endl;
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using std::max;
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InsetCollapsable::InsetCollapsable()
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: UpdatableInset(), inset(new InsetText)
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{
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//inset = new InsetText;
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inset->setOwner(this);
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collapsed = false;
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label = "Label";
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autocollapse = true;
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inset->SetAutoBreakRows(true);
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inset->SetDrawFrame(0, InsetText::ALWAYS);
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inset->SetFrameColor(0, LColor::footnoteframe);
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button_length = button_top_y = button_bottom_y = 0;
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setInsetName("Collapsable");
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widthCollapsed = oldWidth = 0;
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need_update = FULL;
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}
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Inset * InsetCollapsable::Clone(Buffer const &) const
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{
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InsetCollapsable * result = new InsetCollapsable();
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result->inset->init(inset);
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result->inset->setOwner(result);
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result->collapsed = collapsed;
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return result;
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}
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bool InsetCollapsable::InsertInset(BufferView * bv, Inset * in)
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{
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if (!InsertInsetAllowed(in)) {
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lyxerr << "InsetCollapsable::InsertInset: "
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"Unable to insert inset." << endl;
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return false;
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}
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return inset->InsertInset(bv, in);
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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 << "collapsed " << tostr(collapsed) << "\n";
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inset->WriteParagraphData(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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if (lex.IsOK()) {
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lex.next();
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string const token = lex.GetString();
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if (token == "collapsed") {
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lex.next();
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collapsed = lex.GetBool();
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} else {
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lyxerr << "InsetCollapsable::Read: Missing collapsed!"
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<< endl;
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}
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}
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inset->Read(buf, lex);
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}
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int InsetCollapsable::ascent_collapsed(Painter & pain, LyXFont const &) const
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{
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int width = 0;
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int ascent = 0;
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int descent = 0;
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pain.buttonText(0, 0, label, labelfont, false,
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width, ascent, descent);
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return ascent;
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}
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int InsetCollapsable::descent_collapsed(Painter & pain, LyXFont const &) const
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{
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int width = 0;
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int ascent = 0;
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int descent = 0;
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pain.buttonText(0, 0, label, labelfont, false,
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width, ascent, descent);
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return descent;
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}
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int InsetCollapsable::width_collapsed(Painter & pain, LyXFont const &) const
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{
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int width;
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int ascent;
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int descent;
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pain.buttonText(TEXT_TO_INSET_OFFSET, 0, label, labelfont, false,
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width, ascent, descent);
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return width + (2*TEXT_TO_INSET_OFFSET);
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}
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int InsetCollapsable::ascent(BufferView * bv, LyXFont const & font) const
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{
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return ascent_collapsed(bv->painter(), font);
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}
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int InsetCollapsable::descent(BufferView * bv, LyXFont const & font) const
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{
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if (collapsed)
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return descent_collapsed(bv->painter(), font);
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return descent_collapsed(bv->painter(), font) + inset->descent(bv, font) +
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inset->ascent(bv, font) + TEXT_TO_BOTTOM_OFFSET;
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}
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int InsetCollapsable::width(BufferView * bv, LyXFont const & font) const
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{
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if (collapsed)
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return widthCollapsed;
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return (inset->width(bv, font) > widthCollapsed) ?
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inset->width(bv, font) : widthCollapsed;
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}
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void InsetCollapsable::draw_collapsed(Painter & pain, LyXFont const &,
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int baseline, float & x) const
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{
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int width = 0;
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pain.buttonText(int(x) + TEXT_TO_INSET_OFFSET,
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baseline, label, labelfont, true, width);
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x += width + TEXT_TO_INSET_OFFSET;
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}
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void InsetCollapsable::draw(BufferView * bv, LyXFont const & f,
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int baseline, float & x, bool cleared) const
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{
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Painter & pain = bv->painter();
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button_length = widthCollapsed;
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button_top_y = -ascent(bv, f);
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button_bottom_y = -ascent(bv, f) + ascent_collapsed(pain,f) +
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descent_collapsed(pain, f);
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if (collapsed) {
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draw_collapsed(pain, f, baseline, x);
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x += TEXT_TO_INSET_OFFSET;
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return;
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}
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if (!cleared && ((inset->need_update == InsetText::FULL) ||
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(inset->need_update == InsetText::INIT) ||
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(top_x != int(x)) || (top_baseline != baseline))) {
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int w = owner() ? width(bv, f) : pain.paperWidth();
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int h = ascent(bv, f) + descent(bv, f);
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int tx = (needFullRow() && !owner()) ? 0 : int(x);
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int ty = max(0, baseline - ascent(bv, f));
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if ((ty + h) > pain.paperHeight())
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h = pain.paperHeight();
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if ((top_x + w) > pain.paperWidth())
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w = pain.paperWidth();
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if (baseline < 0)
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h += (baseline - ascent(bv, f));
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pain.fillRectangle(tx, ty - 1, w, h + 2);
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cleared = true;
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}
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top_x = int(x);
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top_baseline = baseline;
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float dummy = x;
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int bl = baseline - ascent(bv, f) + ascent_collapsed(pain, f);
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draw_collapsed(pain, f, bl, dummy);
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inset->draw(bv, f,
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bl + descent_collapsed(pain, f) + inset->ascent(bv, f),
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x, cleared);
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need_update = NONE;
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}
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void InsetCollapsable::Edit(BufferView * bv, int xp, int yp, unsigned int button)
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{
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UpdatableInset::Edit(bv, xp, yp, button);
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if (collapsed && autocollapse) {
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collapsed = false;
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if (!bv->lockInset(this))
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return;
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bv->updateInset(this, false);
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inset->Edit(bv, 0, 0, button);
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} else if (!collapsed) {
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if (!bv->lockInset(this))
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return;
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inset->Edit(bv, xp, yp+(top_baseline - inset->y()), button);
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}
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}
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Inset::EDITABLE InsetCollapsable::Editable() const
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{
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if (collapsed)
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return IS_EDITABLE;
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return HIGHLY_EDITABLE;
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}
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void InsetCollapsable::InsetUnlock(BufferView * bv)
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{
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if (autocollapse) {
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collapsed = true;
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}
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inset->InsetUnlock(bv);
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bv->updateInset(this, false);
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}
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void InsetCollapsable::InsetButtonPress(BufferView * bv,int x,int y,int button)
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{
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if (!collapsed && (y > button_bottom_y)) {
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inset->InsetButtonPress(bv, x, y+(top_baseline - inset->y()), button);
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}
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}
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void InsetCollapsable::InsetButtonRelease(BufferView * bv,
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int x, int y, int button)
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{
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if ((x >= 0) && (x < button_length) &&
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(y >= button_top_y) && (y <= button_bottom_y)) {
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if (collapsed) {
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collapsed = false;
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inset->InsetButtonRelease(bv, 0, 0, button);
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bv->updateInset(this, false);
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} else {
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collapsed = true;
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bv->unlockInset(this);
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bv->updateInset(this, false);
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}
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} else if (!collapsed && (y > button_top_y)) {
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inset->InsetButtonRelease(bv, x, y+(top_baseline-inset->y()), button);
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}
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}
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void InsetCollapsable::InsetMotionNotify(BufferView * bv,
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int x, int y, int state)
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{
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if (x > button_bottom_y) {
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inset->InsetMotionNotify(bv, x, y+(top_baseline - inset->y()), state);
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}
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}
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void InsetCollapsable::InsetKeyPress(XKeyEvent * xke)
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{
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inset->InsetKeyPress(xke);
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}
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int InsetCollapsable::Latex(Buffer const * buf, ostream & os,
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bool fragile, bool free_spc) const
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{
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return inset->Latex(buf, os, fragile, free_spc);
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}
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int InsetCollapsable::getMaxWidth(Painter & pain,
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UpdatableInset const * inset) const
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{
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int const w = UpdatableInset::getMaxWidth(pain, inset);
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if (w < 0) {
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// What does a negative max width signify? (Lgb)
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// Use the max width of the draw-area (Jug)
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return w;
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}
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// should be at least 30 pixels !!!
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return max(30, w - widthCollapsed);
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}
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void InsetCollapsable::update(BufferView * bv, LyXFont const & font,
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bool reinit)
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{
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if (reinit) {
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need_update = FULL;
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if (owner())
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owner()->update(bv, font, true);
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return;
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}
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if (!widthCollapsed) {
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widthCollapsed = width_collapsed(bv->painter(), font);
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inset->resizeLyXText(bv);
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need_update = FULL;
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if (owner()) {
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owner()->update(bv, font);
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return;
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}
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}
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if (oldWidth != width(bv, font)) {
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oldWidth = width(bv, font);
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inset->resizeLyXText(bv);
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need_update = FULL;
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if (owner()) {
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owner()->update(bv, font);
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return;
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}
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}
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inset->update(bv, font);
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}
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UpdatableInset::RESULT
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InsetCollapsable::LocalDispatch(BufferView * bv, kb_action action,
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string const & arg)
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{
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UpdatableInset::RESULT result = inset->LocalDispatch(bv, action, arg);
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if (result == FINISHED)
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bv->unlockInset(this);
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return result;
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}
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bool InsetCollapsable::LockInsetInInset(BufferView * bv, UpdatableInset * in)
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{
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if (inset == in)
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return true;
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return inset->LockInsetInInset(bv, in);
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}
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bool InsetCollapsable::UnlockInsetInInset(BufferView * bv, UpdatableInset * in,
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bool lr)
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{
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if (inset == in) {
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bv->unlockInset(this);
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return true;
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}
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return inset->UnlockInsetInInset(bv, in, lr);
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}
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bool InsetCollapsable::UpdateInsetInInset(BufferView * bv, Inset *in)
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{
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if (in == inset)
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return true;
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return inset->UpdateInsetInInset(bv, in);
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}
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unsigned int InsetCollapsable::InsetInInsetY()
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{
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return inset->InsetInInsetY() - (top_baseline - inset->y());
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}
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void InsetCollapsable::Validate(LaTeXFeatures & features) const
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{
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inset->Validate(features);
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}
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void InsetCollapsable::GetCursorPos(BufferView * bv, int & x, int & y) const
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{
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inset->GetCursorPos(bv, x , y);
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}
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void InsetCollapsable::ToggleInsetCursor(BufferView * bv)
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{
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inset->ToggleInsetCursor(bv);
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}
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UpdatableInset * InsetCollapsable::GetLockingInset()
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{
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UpdatableInset * in = inset->GetLockingInset();
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if (inset == in)
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return this;
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return in;
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}
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UpdatableInset * InsetCollapsable::GetFirstLockingInsetOfType(Inset::Code c)
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{
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if (c == LyxCode())
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return this;
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return inset->GetFirstLockingInsetOfType(c);
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}
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void InsetCollapsable::SetFont(BufferView * bv,
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LyXFont const & font, bool toggleall)
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{
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inset->SetFont(bv, font, toggleall);
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}
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bool InsetCollapsable::doClearArea() const
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{
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return inset->doClearArea();
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}
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LyXText * InsetCollapsable::getLyXText(BufferView const * bv,
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bool const recursive) const
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{
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return inset->getLyXText(bv, recursive);
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}
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void InsetCollapsable::deleteLyXText(BufferView * bv, bool recursive) const
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{
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inset->deleteLyXText(bv, recursive);
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}
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void InsetCollapsable::resizeLyXText(BufferView * bv) const
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{
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inset->resizeLyXText(bv);
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LyXFont font(LyXFont::ALL_SANE);
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oldWidth = width(bv, font);
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}
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