lyx_mirror/src/insets/insettext.C

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// -*- C++ -*-
/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright (C) 1998 The LyX Team.
*
* ======================================================
*/
#include <config.h>
#include <fstream>
using std::ifstream;
#include <cstdlib>
#ifdef __GNUG__
#pragma implementation
#endif
#include "insettext.h"
#include "lyxlex.h"
#include "debug.h"
#include "lyxfont.h"
#include "lyxlex.h"
#include "commandtags.h"
#include "buffer.h"
#include "LyXView.h"
#include "BufferView.h"
#include "support/textutils.h"
#include "layout.h"
#include "insetlatexaccent.h"
#include "insetquotes.h"
#include "mathed/formulamacro.h"
#include "figinset.h"
#include "insetinfo.h"
#include "insetinclude.h"
#include "insetbib.h"
#include "insetcommand.h"
#include "insetindex.h"
#include "insetlabel.h"
#include "insetref.h"
//#include "insettabular.h"
#include "insetert.h"
#include "insetspecialchar.h"
#include "LaTeXFeatures.h"
#include "Painter.h"
#include "lyx_gui_misc.h"
#include "support/LAssert.h"
extern unsigned char getCurrentTextClass(Buffer *);
InsetText::InsetText(Buffer * buf)
{
par = new LyXParagraph();
the_locking_inset = 0;
buffer = buf;
cursor_visible = false;
maxWidth = old_x = -1;
actpos = selection_start = selection_end = 0;
interline_space = 1;
no_selection = false;
init_inset = true;
}
InsetText::InsetText(InsetText const & ins, Buffer * buf)
{
par = new LyXParagraph(ins.par);
the_locking_inset = 0;
buffer = buf;
cursor_visible = false;
maxWidth = old_x = -1;
actpos = selection_start = selection_end = 0;
interline_space = 1;
no_selection = false;
init_inset = true;
}
InsetText::~InsetText()
{
delete par;
}
InsetText * InsetText::Clone() const
{
InsetText * t = new InsetText(*this, buffer);
return t;
}
void InsetText::Write(ostream & os) const
{
os << "Text\n";
WriteParagraphData(os);
}
void InsetText::WriteParagraphData(ostream &os) const
{
LyXFont font1 = LyXFont(LyXFont::ALL_INHERIT);
LyXFont font2;
int column = 0;
char c = 0;
for (int i = 0; i < par->Last(); ++i) {
// Write font changes
font2 = par->GetFontSettings(i);
if (font2 != font1) {
font2.lyxWriteChanges(font1, os);
column = 0;
font1 = font2;
}
c = par->GetChar(i);
// A newline before tags
if (column > 0 &&
(c == LyXParagraph::META_INSET ||
c == LyXParagraph::META_NEWLINE ||
c == '\\')) {
os << "\n";
column = 0;
}
switch (c) {
case LyXParagraph::META_INSET: {
Inset *inset = par->GetInset(i);
if (inset) {
os << "\n\\begin_inset ";
inset->Write(os);
os << "\n\\end_inset \n\n";
column = 0;
}
}
break;
case LyXParagraph::META_NEWLINE:
os << "\\newline\n";
column = 0;
break;
case '\\':
os << "\\backslash\n";
column = 0;
break;
default:
if (column > 65 && c==' ') {
os << "\n";
column = 0;
}
// this check is to amend a bug. LyX sometimes
// inserts '\0' this could cause problems.
if (c != '\0')
os << c;
else
lyxerr << "ERROR (InsetText::writeFile):"
" '\\0' char in structure.\n";
column++;
break;
}
}
// A newline if the last c was not a tag.
if (column > 0 &&
(c != LyXParagraph::META_INSET &&
c != LyXParagraph::META_NEWLINE &&
c != '\\')) {
os << "\n";
column = 0;
}
}
void InsetText::Read(LyXLex & lex)
{
string token, tmptok;
LyXFont font = LyXFont(LyXFont::ALL_INHERIT);
int pos = 0;
delete par;
par = new LyXParagraph;
while (lex.IsOK()) {
lex.nextToken();
token = lex.GetString();
if (token.empty())
continue;
else if (token[0] != '\\') {
int n = token.length();
for (int i=0; i < n; ++i) {
par->InsertChar(pos, token[i]);
par->SetFont(pos, font);
++pos;
}
} else if (token == "\\newline") {
par->InsertChar(pos, LyXParagraph::META_NEWLINE);
par->SetFont(pos, font);
++pos;
} else if (token == "\\family") {
lex.next();
font.setLyXFamily(lex.GetString());
} else if (token == "\\series") {
lex.next();
font.setLyXSeries(lex.GetString());
} else if (token == "\\shape") {
lex.next();
font.setLyXShape(lex.GetString());
} else if (token == "\\size") {
lex.next();
font.setLyXSize(lex.GetString());
} else if (token == "\\latex") {
lex.next();
string tok = lex.GetString();
// This is dirty, but gone with LyX3. (Asger)
if (tok == "no_latex")
font.setLatex(LyXFont::OFF);
else if (tok == "latex")
font.setLatex(LyXFont::ON);
else if (tok == "default")
font.setLatex(LyXFont::INHERIT);
else
lex.printError("Unknown LaTeX font flag "
"`$$Token'");
} else if (token == "\\direction") {
lex.next();
string tok = lex.GetString();
if (tok == "ltr")
font.setDirection(LyXFont::LTR_DIR);
else if (tok == "rtl")
font.setDirection(LyXFont::RTL_DIR);
else if (tok == "default")
font.setDirection(LyXFont::INHERIT_DIR);
else
lex.printError("Unknown font flag "
"`$$Token'");
} else if (token == "\\emph") {
lex.next();
font.setEmph(font.setLyXMisc(lex.GetString()));
} else if (token == "\\bar") {
lex.next();
string tok = lex.GetString();
// This is dirty, but gone with LyX3. (Asger)
if (tok == "under")
font.setUnderbar(LyXFont::ON);
else if (tok == "no")
font.setUnderbar(LyXFont::OFF);
else if (tok == "default")
font.setUnderbar(LyXFont::INHERIT);
else
lex.printError("Unknown bar font flag "
"`$$Token'");
} else if (token == "\\noun") {
lex.next();
font.setNoun(font.setLyXMisc(lex.GetString()));
} else if (token == "\\color") {
lex.next();
font.setLyXColor(lex.GetString());
} else if (token == "\\begin_inset") {
Inset * inset = 0;
lex.next();
tmptok = lex.GetString();
// Test the different insets.
if (tmptok == "Quotes") {
inset = new InsetQuotes(string());
inset->Read(lex);
} else if (tmptok == "LaTeXAccent" || tmptok == "\\i") {
inset = new InsetLatexAccent;
inset->Read(lex);
} else if (tmptok == "FormulaMacro") {
inset = new InsetFormulaMacro;
inset->Read(lex);
} else if (tmptok == "Formula") {
inset = new InsetFormula;
inset->Read(lex);
} else if (tmptok == "Figure") {
inset = new InsetFig(100,100, buffer);
inset->Read(lex);
#if 0
} else if (tmptok == "Tabular") {
inset = new InsetTabular(buffer);
inset->Read(lex);
#endif
} else if (tmptok == "Text") {
inset = new InsetText(buffer);
inset->Read(lex);
} else if (tmptok == "ERT") {
inset = new InsetERT(buffer);
inset->Read(lex);
} else if (tmptok == "Info") {
inset = new InsetInfo;
inset->Read(lex);
} else if (tmptok == "Include") {
inset = new InsetInclude(string(), buffer);
inset->Read(lex);
} else if (tmptok == "LatexCommand") {
InsetCommand inscmd;
inscmd.Read(lex);
if (inscmd.getCmdName()=="cite") {
inset = new InsetCitation(inscmd.getContents(),
inscmd.getOptions());
} else if (inscmd.getCmdName()=="bibitem") {
lex.printError("Wrong place for bibitem");
inset = inscmd.Clone();
} else if (inscmd.getCmdName()=="BibTeX") {
inset = new InsetBibtex(inscmd.getContents(),
inscmd.getOptions(), buffer);
} else if (inscmd.getCmdName()=="index") {
inset = new InsetIndex(inscmd.getContents());
} else if (inscmd.getCmdName()=="include") {
inset = new InsetInclude(inscmd.getContents(), buffer);
} else if (inscmd.getCmdName()=="label") {
inset = new InsetLabel(inscmd.getCommand());
} else if (inscmd.getCmdName() == "ref" ||
inscmd.getCmdName() == "pageref") {
inset = new InsetRef(inscmd, buffer);
} else
// The following three are only for compatibility
if (inscmd.getCmdName()=="-") {
inset = new InsetSpecialChar(InsetSpecialChar::HYPHENATION);
} else if (inscmd.getCmdName()=="@.") {
inset = new InsetSpecialChar(InsetSpecialChar::END_OF_SENTENCE);
} else if (inscmd.getCmdName()=="ldots") {
inset = new InsetSpecialChar(InsetSpecialChar::LDOTS);
} else
inset = inscmd.Clone();
}
if (inset) {
par->InsertChar(pos, LyXParagraph::META_INSET);
par->InsertInset(pos, inset);
par->SetFont(pos, font);
++pos;
} else {
lex.printError("Unknown inset `$$Token'. "
"Inserting as text.");
}
#ifndef NO_COMPABILITY
} else if (token == "\\hfill") {
// now obsolete, but we have a bak compability
// Inset * inset = new InsetSpecialChar(LyXParagraph::META_HFILL);
// par->InsertChar(pos, LyXParagraph::META_INSET);
// par->InsertInset(pos, inset);
par->InsertChar(pos, LyXParagraph::META_HFILL);
par->SetFont(pos, font);
++pos;
} else if (token == "\\protected_separator") {
// now obsolete, but we have a back compability
par->InsertChar(pos, LyXParagraph::META_PROTECTED_SEPARATOR);
//Inset * inset = new InsetSpecialChar(LyXParagraph::META_PROTECTED_SEPARATOR);
// par->InsertChar(pos, LyXParagraph::META_INSET);
// par->InsertInset(pos, inset);
par->SetFont(pos, font);
++pos;
#endif
} else if (token == "\\bibitem") { // ale970302
if (!par->bibkey)
par->bibkey = new InsetBibKey;
par->bibkey->Read(lex);
}else if (token == "\\backslash") {
par->InsertChar(pos, '\\');
par->SetFont(pos, font);
++pos;
} else if (token == "\\end_inset") {
break;
} else {
lex.printError("Unknown tabular token `$$Token'. Not handled!");
break;
}
}
if (token != "\\end_inset") {
lex.printError("Missing \\end_inset at this point. "
"Read: `$$Token'");
}
init_inset = true;
}
int InsetText::ascent(Painter &, LyXFont const & font) const
{
if (maxAscent)
return maxAscent;
return font.maxAscent();
}
int InsetText::descent(Painter &, LyXFont const & font) const
{
if (maxDescent)
return maxDescent;
return font.maxDescent();
}
int InsetText::width(Painter &, LyXFont const &) const
{
return insetWidth;
}
int InsetText::getMaxWidth(UpdatableInset * inset) const
{
if (!the_locking_inset) {
lyxerr << "Text: No locking inset in this inset.\n";
return 0;
}
if (the_locking_inset==inset)
return maxWidth;
return the_locking_inset->getMaxWidth(inset);
}
void InsetText::draw(Painter & pain,const LyXFont & f,int baseline,float & x) const
{
unsigned int
r;
bool
do_reset_pos;
UpdatableInset::draw(pain, f, baseline, x);
do_reset_pos = (x != top_x) || (baseline != top_baseline);
top_x = int(x);
top_baseline = baseline;
computeBaselines(baseline);
for(r=0; r<rows.size()-1; ++r) {
drawRowSelection(pain, rows[r].pos, rows[r+1].pos, r,
rows[r].baseline, x);
drawRowText(pain, rows[r].pos, rows[r+1].pos, rows[r].baseline, x);
}
x += insetWidth;
if (!the_locking_inset && do_reset_pos) {
// HideInsetCursor(bv);
// resetPos(bv);
// ShowInsetCursor(bv);
}
}
void InsetText::drawRowSelection(Painter & pain, int startpos, int endpos,
int row, int baseline, float x) const
{
if (!hasSelection())
return;
int
p,
ssel_x, esel_x,
s_start, s_end;
LyXFont
font;
char
ch;
if (selection_start > selection_end) {
s_start = selection_end;
s_end = selection_start;
} else {
s_start = selection_start;
s_end = selection_end;
}
if ((s_start > endpos) || (s_end < startpos))
return;
ssel_x = esel_x = int(x);
for(p=startpos; p < endpos; ++p) {
if (p == s_start)
ssel_x = int(x);
if ((p >= s_start) && (p <= s_end))
esel_x = int(x);
ch = par->GetChar(p);
font = GetFont(par,p);
if (IsFloatChar(ch)) {
// skip for now
} else if (ch == LyXParagraph::META_INSET) {
Inset const * tmpinset = par->GetInset(p);
x += tmpinset->width(pain, font);
} else {
x += pain.width(ch,font);
}
}
if (p == s_start)
ssel_x = int(x);
if ((p >= s_start) && (p <= s_end))
esel_x = int(x);
if (ssel_x < esel_x) {
pain.fillRectangle(int(ssel_x), baseline-rows[row].asc,
int(esel_x - ssel_x),
rows[row].asc + rows[row].desc,
LColor::selection);
}
}
void InsetText::drawRowText(Painter & pain, int startpos, int endpos,
int baseline, float x) const
{
Assert(endpos <= par->Last());
int
p;
char
ch;
LyXFont
font;
for(p=startpos; p < endpos; ++p) {
ch = par->GetChar(p);
font = GetFont(par,p);
if (IsFloatChar(ch)) {
// skip for now
} else if (ch == LyXParagraph::META_INSET) {
Inset * tmpinset = par->GetInset(p);
if (tmpinset)
tmpinset->draw(pain, font, baseline, x);
} else {
pain.text(int(x), baseline, ch, font);
x += pain.width(ch,font);
}
}
}
const char * InsetText::EditMessage() const
{
return _("Opened Text Inset");
}
void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
{
UpdatableInset::Edit(bv, x, y, button);
bv->lockInset(this);
the_locking_inset = 0;
inset_pos = inset_x = inset_y = 0;
no_selection = true;
setPos(bv, x,y);
selection_start = selection_end = actpos;
current_font = real_current_font = GetFont(par, actpos);
}
void InsetText::InsetUnlock(BufferView *bv)
{
if (the_locking_inset)
the_locking_inset->InsetUnlock(bv);
HideInsetCursor(bv);
if (hasSelection()) {
selection_start = selection_end = actpos;
bv->updateInset(this, false);
}
the_locking_inset = 0;
no_selection = false;
}
bool InsetText::UnlockInsetInInset(BufferView * bv, Inset * inset, bool lr)
{
if (!the_locking_inset)
return false;
if (the_locking_inset == inset) {
the_locking_inset->InsetUnlock(bv);
the_locking_inset = 0;
if (lr)
moveRight(bv, false);
return true;
}
return the_locking_inset->UnlockInsetInInset(bv, inset,lr);
}
bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
{
if (!the_locking_inset)
return false;
if (the_locking_inset != inset)
return the_locking_inset->UpdateInsetInInset(bv, inset);
float x = inset_x;
inset->draw(bv->getPainter(), real_current_font, inset_y, x);
bv->updateInset(this, true);
return true;
}
void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
{
if (the_locking_inset) {
the_locking_inset->InsetButtonRelease(bv, x-inset_x, y-inset_y,button);
return;
}
no_selection = false;
}
void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
{
if (hasSelection()) {
selection_start = selection_end = actpos;
bv->updateInset(this, false);
}
no_selection = false;
if (the_locking_inset) {
setPos(bv, x,y,false);
UpdatableInset
*inset=0;
if (par->GetChar(actpos)==LyXParagraph::META_INSET)
inset=(UpdatableInset*)par->GetInset(actpos);
if (the_locking_inset == inset) {
the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
return;
} else if (inset) {
// otherwise unlock the_locking_inset and lock the new inset
inset_x = cx-top_x;
inset_y = cy;
inset_pos = actpos;
the_locking_inset->InsetUnlock(bv);
the_locking_inset = inset;
the_locking_inset->Edit(bv, x - inset_x, y - inset_y, button);
return;
}
// otherwise only unlock the_locking_inset
the_locking_inset->InsetUnlock(bv);
}
HideInsetCursor(bv);
the_locking_inset = 0;
setPos(bv, x, y);
selection_start = selection_end = actpos;
if (!the_locking_inset)
ShowInsetCursor(bv);
}
void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int button)
{
if (the_locking_inset) {
the_locking_inset->InsetMotionNotify(bv, x-inset_x, y-inset_y,button);
return;
}
if (!no_selection) {
int
old = selection_end;
setPos(bv, x, y, false);
selection_end = actpos;
if (old != selection_end)
bv->updateInset(this, false);
}
no_selection = false;
}
void InsetText::InsetKeyPress(XKeyEvent * xke)
{
if (the_locking_inset) {
the_locking_inset->InsetKeyPress(xke);
return;
}
}
UpdatableInset::RESULT InsetText::LocalDispatch(BufferView * bv,
int action, string arg)
{
no_selection = false;
if (UpdatableInset::LocalDispatch(bv, action, arg)) {
resetPos(bv);
return DISPATCHED;
}
UpdatableInset::RESULT
result=DISPATCHED;
if ((action < 0) && arg.empty())
return FINISHED;
if ((action != LFUN_DOWN) && (action != LFUN_UP) &&
(action != LFUN_DOWNSEL) && (action != LFUN_UPSEL))
old_x = -1;
if (the_locking_inset) {
result = the_locking_inset->LocalDispatch(bv, action, arg);
if (result == DISPATCHED) {
the_locking_inset->ToggleInsetCursor(bv);
bv->updateInset(this, false);
the_locking_inset->ToggleInsetCursor(bv);
return result;
} else if (result == FINISHED) {
if ((action == LFUN_RIGHT) || (action == -1)) {
actpos = inset_pos + 1;
resetPos(bv);
}
the_locking_inset = 0;
return DISPATCHED;
}
}
HideInsetCursor(bv);
switch (action) {
// Normal chars
case -1:
par->InsertChar(actpos,arg[0]);
par->SetFont(actpos,real_current_font);
computeTextRows(bv);
bv->updateInset(this, true);
++actpos;
selection_start = selection_end = actpos;
resetPos(bv);
break;
// --- Cursor Movements ---------------------------------------------
case LFUN_RIGHTSEL:
moveRight(bv, false);
selection_end = actpos;
bv->updateInset(this, false);
break;
case LFUN_RIGHT:
result= DISPATCH_RESULT(moveRight(bv));
if (hasSelection()) {
selection_start = selection_end = actpos;
bv->updateInset(this, false);
} else {
selection_start = selection_end = actpos;
}
break;
case LFUN_LEFTSEL:
moveLeft(bv, false);
selection_end = actpos;
bv->updateInset(this, false);
break;
case LFUN_LEFT:
result= DISPATCH_RESULT(moveLeft(bv));
if (hasSelection()) {
selection_start = selection_end = actpos;
bv->updateInset(this, false);
} else {
selection_start = selection_end = actpos;
}
break;
case LFUN_DOWNSEL:
moveDown(bv, false);
selection_end = actpos;
bv->updateInset(this, false);
break;
case LFUN_DOWN:
result= DISPATCH_RESULT(moveDown(bv));
if (hasSelection()) {
selection_start = selection_end = actpos;
bv->updateInset(this, false);
} else {
selection_start = selection_end = actpos;
}
break;
case LFUN_UPSEL:
moveUp(bv, false);
selection_end = actpos;
bv->updateInset(this, false);
break;
case LFUN_UP:
result= DISPATCH_RESULT(moveUp(bv));
if (hasSelection()) {
selection_start = selection_end = actpos;
bv->updateInset(this, false);
} else {
selection_start = selection_end = actpos;
}
break;
case LFUN_BACKSPACE:
if (!actpos || par->IsNewline(actpos-1)) {
if (hasSelection()) {
selection_start = selection_end = actpos;
bv->updateInset(this, false);
}
break;
}
moveLeft(bv);
case LFUN_DELETE:
if (Delete()) { // we need update
selection_start = selection_end = actpos;
computeTextRows(bv);
bv->updateInset(this, true);
} else if (hasSelection()) {
selection_start = selection_end = actpos;
bv->updateInset(this, false);
}
break;
case LFUN_HOME:
for(;actpos > rows[actrow].pos;--actpos)
cx -= SingleWidth(bv, par, actpos);
cx -= SingleWidth(bv, par, actpos);
if (hasSelection()) {
selection_start = selection_end = actpos;
bv->updateInset(this, false);
} else {
selection_start = selection_end = actpos;
}
break;
case LFUN_END:
for(;actpos < rows[actrow+1].pos;++actpos)
cx += SingleWidth(bv, par, actpos);
if (hasSelection()) {
selection_start = selection_end = actpos;
bv->updateInset(this, false);
} else {
selection_start = selection_end = actpos;
}
break;
case LFUN_MATH_MODE: // Open or create a math inset
InsertInset(bv, new InsetFormula);
if (hasSelection()) {
selection_start = selection_end = actpos;
bv->updateInset(this, false);
} else {
selection_start = selection_end = actpos;
}
return DISPATCHED;
break;
default:
result = UNDISPATCHED;
break;
}
if (result != FINISHED) {
if (!the_locking_inset)
ShowInsetCursor(bv);
} else
bv->unlockInset(this);
return result;
}
int InsetText::Latex(ostream &os, signed char fragile) const
{
string
fstr;
int
i;
i = Latex(fstr, fragile);
os << fstr.c_str();
return i;
}
int InsetText::Latex(string & file, signed char /* fragile */) const
{
TexRow
texrow;
return par->SimpleTeXOnePar(file, texrow);
}
void InsetText::Validate(LaTeXFeatures & features) const
{
par->validate(features);
}
// Returns the width of a character at a certain spot
int InsetText::SingleWidth(BufferView *bv, LyXParagraph * par, int pos)
{
LyXFont
font = GetFont(par, pos);
char
c = par->GetChar(pos);
// The most common case is handled first (Asger)
if (IsPrintable(c)) {
return font.width(c);
} else if (c == LyXParagraph::META_INSET) {
Inset const * tmpinset=par->GetInset(pos);
if (tmpinset)
return tmpinset->width(bv->getPainter(), font);
else
return 0;
} else if (IsSeparatorChar(c))
c = ' ';
else if (IsNewlineChar(c))
c = 'n';
return font.width(c);
}
// Returns the width of a character at a certain spot
void InsetText::SingleHeight(BufferView * bv, LyXParagraph * par,int pos,
int & asc, int & desc)
{
LyXFont
font = GetFont(par, pos);
char
c = par->GetChar(pos);
asc = desc = 0;
// The most common case is handled first (Asger)
if (c == LyXParagraph::META_INSET) {
Inset const * tmpinset=par->GetInset(pos);
if (tmpinset) {
asc = tmpinset->ascent(bv->getPainter(),font);
desc = tmpinset->descent(bv->getPainter(),font);
}
} else {
asc = font.maxAscent();
desc = font.maxDescent();
}
return;
}
// Gets the fully instantiated font at a given position in a paragraph
// Basically the same routine as LyXParagraph::getFont() in paragraph.C.
// The difference is that this one is used for displaying, and thus we
// are allowed to make cosmetic improvements. For instance make footnotes
// smaller. (Asger)
// If position is -1, we get the layout font of the paragraph.
// If position is -2, we get the font of the manual label of the paragraph.
LyXFont InsetText::GetFont(LyXParagraph * par, int pos) const
{
char par_depth = par->GetDepth();
LyXLayout layout =
textclasslist.Style(buffer->params.textclass, par->GetLayout());
// We specialize the 95% common case:
if (par->footnoteflag == LyXParagraph::NO_FOOTNOTE && !par_depth) {
if (pos >= 0) {
// 95% goes here
if (layout.labeltype == LABEL_MANUAL
&& pos < BeginningOfMainBody(par)) {
// 1% goes here
return par->GetFontSettings(pos).realize(layout.reslabelfont);
} else
return par->GetFontSettings(pos).realize(layout.resfont);
} else {
// 5% goes here.
// process layoutfont for pos == -1 and labelfont for pos < -1
if (pos == -1)
return layout.resfont;
else
return layout.reslabelfont;
}
}
// The uncommon case need not be optimized as much
LyXFont layoutfont, tmpfont;
if (pos >= 0){
// 95% goes here
if (pos < BeginningOfMainBody(par)) {
// 1% goes here
layoutfont = layout.labelfont;
} else {
// 99% goes here
layoutfont = layout.font;
}
tmpfont = par->GetFontSettings(pos);
tmpfont.realize(layoutfont);
} else{
// 5% goes here.
// process layoutfont for pos == -1 and labelfont for pos < -1
if (pos == -1)
tmpfont = layout.font;
else
tmpfont = layout.labelfont;
}
// Resolve against environment font information
//if (par->GetDepth()){ // already in while condition
while (par && par_depth && !tmpfont.resolved()) {
par = par->DepthHook(par_depth - 1);
if (par) {
tmpfont.realize(textclasslist.Style(buffer->params.textclass,
par->GetLayout()).font);
par_depth = par->GetDepth();
}
}
tmpfont.realize((textclasslist.TextClass(buffer->params.textclass).
defaultfont()));
return tmpfont;
}
int InsetText::BeginningOfMainBody(LyXParagraph * par) const
{
if (textclasslist.Style(buffer->params.textclass,
par->GetLayout()).labeltype != LABEL_MANUAL)
return 0;
else
return par->BeginningOfMainBody();
}
void InsetText::GetCursorPos(int & x, int & y)
{
x = cx;
y = cy;
}
int InsetText::InsetInInsetY()
{
if (!the_locking_inset)
return 0;
int
y = inset_y;
return (y + the_locking_inset->InsetInInsetY());
}
void InsetText::ToggleInsetCursor(BufferView * bv)
{
if (the_locking_inset) {
the_locking_inset->ToggleInsetCursor(bv);
return;
}
int
asc,desc;
LyXFont
font = GetFont(par, actpos);
asc = font.maxAscent();
desc = font.maxDescent();
if (cursor_visible)
bv->hideLockedInsetCursor();
else
bv->showLockedInsetCursor(cx, cy, asc, desc);
cursor_visible = !cursor_visible;
}
void InsetText::ShowInsetCursor(BufferView * bv)
{
if (!cursor_visible) {
int
asc,desc;
LyXFont
font = GetFont(par, actpos);
asc = font.maxAscent();
desc = font.maxDescent();
bv->fitLockedInsetCursor(cx, cy, asc, desc);
bv->showLockedInsetCursor(cx, cy, asc, desc);
cursor_visible = true;
}
}
void InsetText::HideInsetCursor(BufferView * bv)
{
if (cursor_visible)
ToggleInsetCursor(bv);
}
void InsetText::setPos(BufferView * bv, int x, int y, bool activate_inset)
{
int
ox = x,
oy = y;
// search right X-pos x==0 -> top_x
actpos = actrow = 0;
cy = top_baseline;
y += cy;
for(unsigned int i=1;
((cy+rows[i-1].desc) < y) && (i < rows.size()-1); ++i) {
cy = rows[i].baseline;
actpos = rows[i].pos;
actrow = i;
}
cy -= top_baseline;
cx = top_x;
x += top_x;
int
sw, swh;
sw = swh = SingleWidth(bv, par,actpos);
if (par->GetChar(actpos)!=LyXParagraph::META_INSET)
swh /= 2;
while ((actpos < (rows[actrow+1].pos-1)) && ((cx+swh) < x)) {
cx += sw;
++actpos;
sw = swh = SingleWidth(bv, par,actpos);
if (par->GetChar(actpos)!=LyXParagraph::META_INSET)
swh /= 2;
}
if (activate_inset && par->GetChar(actpos)==LyXParagraph::META_INSET) {
the_locking_inset=(UpdatableInset*)par->GetInset(actpos);
inset_x = cx-top_x;
inset_y = cy;
inset_pos = actpos;
the_locking_inset->Edit(bv, ox - inset_x, oy - inset_y, 0);
}
}
bool InsetText::moveRight(BufferView * bv, bool activate_inset)
{
if (actpos >= par->Last())
return false;
if (activate_inset && par->GetChar(actpos)==LyXParagraph::META_INSET) {
the_locking_inset=(UpdatableInset*)par->GetInset(actpos);
inset_x = cx-top_x;
inset_y = cy;
inset_pos = actpos;
the_locking_inset->Edit(bv, 0, 0, 0);
} else {
++actpos;
resetPos(bv);
}
return true;
}
bool InsetText::moveLeft(BufferView * bv, bool activate_inset)
{
if (actpos <= 0)
return false;
--actpos;
if (activate_inset && par->GetChar(actpos)==LyXParagraph::META_INSET) {
the_locking_inset=(UpdatableInset*)par->GetInset(actpos);
resetPos(bv);
inset_x = cx-top_x;
inset_y = cy;
inset_pos = actpos;
the_locking_inset->Edit(bv, the_locking_inset->
width(bv->getPainter(),GetFont(par,actpos)),
0, 0);
} else {
resetPos(bv);
}
return true;
}
bool InsetText::moveUp(BufferView * bv, bool activate_inset)
{
if (!actrow)
return false;
cy = rows[actrow-1].baseline - top_baseline;
setPos(bv, cx-top_x, cy, activate_inset);
return true;
}
bool InsetText::moveDown(BufferView * bv, bool activate_inset)
{
if (actrow >= int(rows.size()-2))
return false;
cy = rows[actrow+1].baseline - top_baseline;
setPos(bv, cx-top_x, cy, activate_inset);
return true;
}
void InsetText::resetPos(BufferView * bv)
{
int
i,
old_pos = actpos;
cy = top_baseline;
actrow = 0;
for(i=0; rows[i].pos <= actpos; ++i) {
cy = rows[i].baseline;
actrow = i;
}
cy -= top_baseline;
setPos(bv, 0, cy, false);
cx = top_x;
while(actpos < old_pos) {
cx += SingleWidth(bv, par,actpos);
++actpos;
}
}
bool InsetText::Delete()
{
/* some insets are undeletable here */
if (par->GetChar(actpos)==LyXParagraph::META_INSET) {
/* force complete redo when erasing display insets */
/* this is a cruel mathod but save..... Matthias */
if (par->GetInset(actpos)->Deletable() &&
par->GetInset(actpos)->display()) {
par->Erase(actpos);
return true;
}
return false;
}
par->Erase(actpos);
return true;
}
bool InsetText::InsertInset(BufferView * bv, Inset * inset)
{
par->InsertChar(actpos, LyXParagraph::META_INSET);
par->InsertInset(actpos, inset);
computeTextRows(bv);
bv->updateInset(this, true);
the_locking_inset = (UpdatableInset*)inset;
inset_x = cx-top_x;
inset_y = cy;
inset_pos = actpos;
inset->Edit(bv, 0, 0, 0);
return true;
}
UpdatableInset * InsetText::GetLockingInset()
{
return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
}
void InsetText::SetFont(BufferView * bv, LyXFont const & font,bool toggleall)
{
// if there is no selection just set the current_font
if (!hasSelection()) {
// Determine basis font
LyXFont layoutfont;
if (actpos < BeginningOfMainBody(par))
layoutfont = GetFont(par, -2);
else
layoutfont = GetFont(par, -1);
// Update current font
real_current_font.update(font, toggleall);
// Reduce to implicit settings
current_font = real_current_font;
current_font.reduce(layoutfont);
// And resolve it completely
real_current_font.realize(layoutfont);
return;
}
int
s_start, s_end;
if (selection_start > selection_end) {
s_start = selection_end;
s_end = selection_start;
} else {
s_start = selection_start;
s_end = selection_end;
}
LyXFont
newfont;
while(s_start < s_end) {
newfont = GetFont(par,s_start);
newfont.update(font, toggleall);
SetCharFont(s_start, newfont);
++s_start;
}
computeTextRows(bv);
bv->updateInset(this, true);
}
void InsetText::SetCharFont(int pos, LyXFont font)
{
/* let the insets convert their font */
if (par->GetChar(pos) == LyXParagraph::META_INSET) {
if (par->GetInset(pos))
font = par->GetInset(pos)->ConvertFont(font);
}
LyXLayout layout =
textclasslist.Style(buffer->params.textclass,par->GetLayout());
// Get concrete layout font to reduce against
LyXFont layoutfont;
if (pos < BeginningOfMainBody(par))
layoutfont = layout.labelfont;
else
layoutfont = layout.font;
layoutfont.realize((textclasslist.TextClass(buffer->params.textclass).
defaultfont()));
// Now, reduce font against full layout font
font.reduce(layoutfont);
par->SetFont(pos, font);
}
void InsetText::computeTextRows(BufferView * bv)
{
int
p,
nwp = 0,
asc = 0,
desc = 0,
oasc = 0,
odesc = 0,
owidth = 0,
width,
wordAscent,
wordDescent;
row_struct
row;
if (rows.size())
rows.erase(rows.begin(),rows.end());
width = wordAscent = wordDescent = 0;
insetWidth = maxAscent = maxDescent = 0;
row.asc = 0;
row.desc = 0;
row.pos = 0;
row.baseline = 0;
rows.push_back(row);
if (maxWidth < 0) {
for(p=0; p < par->Last(); ++p) {
insetWidth += SingleWidth(bv, par, p);
SingleHeight(bv, par, p, asc, desc);
if (asc > maxAscent)
maxAscent = asc;
if (desc > maxDescent)
maxDescent = desc;
}
rows[0].asc = maxAscent;
rows[0].desc = maxDescent;
// alocate a dummy row for the endpos
row.pos = par->Last();
rows.push_back(row);
return;
}
bool
is_first_word_in_row = true;
int
cw,
lastWordWidth=0;
for(p = 0; p < par->Last(); ++p) {
cw = SingleWidth(bv, par, p);
width += cw;
lastWordWidth += cw;
SingleHeight(bv, par, p, asc, desc);
if (asc > wordAscent)
wordAscent = asc;
if (desc > wordDescent)
wordDescent = desc;
Inset const * inset = 0;
if (((p + 1) < par->Last()) &&
(par->GetChar(p+1)==LyXParagraph::META_INSET))
inset = par->GetInset(p+1);
if (inset && inset->display()) {
if (!is_first_word_in_row && (width >= maxWidth)) {
// we have to split also the row above
rows[rows.size()-1].asc = oasc;
rows[rows.size()-1].desc = odesc;
row.pos = nwp;
rows.push_back(row);
oasc = wordAscent;
odesc = wordDescent;
if (insetWidth < owidth)
insetWidth = owidth;
width = lastWordWidth;
lastWordWidth = 0;
} else {
if (oasc < wordAscent)
oasc = wordAscent;
if (odesc < wordDescent)
odesc = wordDescent;
}
rows[rows.size() - 1].asc = oasc;
rows[rows.size() - 1].desc = odesc;
row.pos = ++p;
rows.push_back(row);
SingleHeight(bv, par, p, asc, desc);
rows[rows.size() - 1].asc = asc;
rows[rows.size() - 1].desc = desc;
row.pos = nwp = p + 1;
rows.push_back(row);
oasc = odesc = width = lastWordWidth = 0;
is_first_word_in_row = true;
wordAscent = wordDescent = 0;
continue;
} else if (par->IsSeparator(p)) {
if (width >= maxWidth) {
if (is_first_word_in_row) {
rows[rows.size()-1].asc = wordAscent;
rows[rows.size()-1].desc = wordDescent;
row.pos = p+1;
rows.push_back(row);
oasc = odesc = width = 0;
} else {
rows[rows.size()-1].asc = oasc;
rows[rows.size()-1].desc = odesc;
row.pos = nwp;
rows.push_back(row);
oasc = wordAscent;
odesc = wordDescent;
if (insetWidth < owidth)
insetWidth = owidth;
width = lastWordWidth;
}
wordAscent = wordDescent = lastWordWidth = 0;
nwp = p+1;
continue;
}
owidth = width;
if (oasc < wordAscent)
oasc = wordAscent;
if (odesc < wordDescent)
odesc = wordDescent;
wordAscent = wordDescent = lastWordWidth = 0;
nwp = p+1;
is_first_word_in_row = false;
}
}
// if we have some data in the paragraph we have ascent/descent
if (p) {
if (width >= maxWidth) {
// assign upper row
rows[rows.size()-1].asc = oasc;
rows[rows.size()-1].desc = odesc;
// assign and allocate lower row
row.pos = nwp;
rows.push_back(row);
rows[rows.size()-1].asc = wordAscent;
rows[rows.size()-1].desc = wordDescent;
if (insetWidth < owidth)
insetWidth = owidth;
width -= owidth;
if (insetWidth < width)
insetWidth = width;
} else {
// assign last row data
if (oasc < wordAscent)
oasc = wordAscent;
if (odesc < wordDescent)
odesc = wordDescent;
rows[rows.size()-1].asc = oasc;
rows[rows.size()-1].desc = odesc;
}
}
// alocate a dummy row for the endpos
row.pos = par->Last();
rows.push_back(row);
// calculate maxAscent/Descent
maxAscent = rows[0].asc;
maxDescent = rows[0].desc;
for (unsigned int i=1; i<rows.size()-1; ++i) {
maxDescent += rows[i].asc + rows[i].desc + interline_space;
}
if (the_locking_inset) {
computeBaselines(top_baseline);
actpos = inset_pos;
resetPos(bv);
inset_x = cx-top_x;
inset_y = cy;
}
}
void InsetText::computeBaselines(int baseline) const
{
rows[0].baseline = baseline;
for (unsigned int i=1; i<rows.size()-1; i++) {
rows[i].baseline = rows[i-1].baseline + rows[i-1].desc +
rows[i].asc + interline_space;
}
}
void InsetText::init(BufferView * bv)
{
// if (init_inset)
{
computeTextRows(bv);
init_inset = false;
}
}