lyx_mirror/src/insets/insettext.C

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// -*- C++ -*-
/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1998-2000 The LyX Team.
*
* ======================================================
*/
#include <config.h>
#include <fstream>
#include <algorithm>
#include <cstdlib>
#ifdef __GNUG__
#pragma implementation
#endif
#include "insettext.h"
#include "lyxparagraph.h"
#include "lyxlex.h"
#include "debug.h"
#include "lyxfont.h"
#include "commandtags.h"
#include "buffer.h"
#include "LyXView.h"
#include "BufferView.h"
#include "layout.h"
#include "LaTeXFeatures.h"
#include "Painter.h"
#include "lyx_gui_misc.h"
#include "lyxtext.h"
#include "lyxcursor.h"
#include "CutAndPaste.h"
#include "font.h"
#include "minibuffer.h"
#include "toolbar.h"
#include "LColor.h"
#include "support/textutils.h"
#include "support/LAssert.h"
#include "lyxrow.h"
using std::ostream;
using std::ifstream;
using std::endl;
using std::min;
using std::max;
extern unsigned char getCurrentTextClass(Buffer *);
#warning BAAAAAAAADDDDDDD current_view (but Lars wanted it :) !!!
extern BufferView * current_view;
InsetText::InsetText()
{
par = new LyXParagraph();
init();
text = new LyXText(this);
}
InsetText::InsetText(InsetText const & ins) : UpdatableInset()
{
par = 0;
init(&ins);
text = new LyXText(this);
autoBreakRows = ins.autoBreakRows;
}
InsetText & InsetText::operator=(InsetText const & it)
{
init(&it);
text = new LyXText(this);
autoBreakRows = it.autoBreakRows;
return * this;
}
void InsetText::init(InsetText const * ins)
{
the_locking_inset = 0;
cursor_visible = false;
cursor.x_fix(-1);
interline_space = 1;
no_selection = false;
init_inset = true;
maxAscent = maxDescent = insetWidth = 0;
drawTextXOffset = drawTextYOffset = 0;
autoBreakRows = drawLockedFrame = false;
xpos = 0.0;
if (ins) {
SetParagraphData(ins->par);
autoBreakRows = ins->autoBreakRows;
drawLockedFrame = ins->drawLockedFrame;
}
par->SetInsetOwner(this);
cursor.par(par);
cursor.pos(0);
selection_start_cursor = selection_end_cursor = cursor;
frame_color = LColor::insetframe;
locked = false;
}
InsetText::~InsetText()
{
delete par;
}
Inset * InsetText::Clone() const
{
InsetText * t = new InsetText(*this);
return t;
}
void InsetText::Write(Buffer const * buf, ostream & os) const
{
os << "Text\n";
WriteParagraphData(buf, os);
}
void InsetText::WriteParagraphData(Buffer const * buf, ostream & os) const
{
par->writeFile(buf, os, buf->params, 0, 0);
}
void InsetText::Read(Buffer const * buf, LyXLex & lex)
{
string token, tmptok;
int pos = 0;
LyXParagraph * return_par = 0;
char depth = 0; // signed or unsigned?
LyXParagraph::footnote_flag footnoteflag = LyXParagraph::NO_FOOTNOTE;
LyXParagraph::footnote_kind footnotekind = LyXParagraph::FOOTNOTE;
LyXFont font(LyXFont::ALL_INHERIT);
delete par;
par = new LyXParagraph;
par->SetInsetOwner(this);
while (lex.IsOK()) {
lex.nextToken();
token = lex.GetString();
if (token.empty())
continue;
if (token == "\\end_inset")
break;
if (const_cast<Buffer*>(buf)->parseSingleLyXformat2Token(lex, par, return_par,
token, pos, depth,
font, footnoteflag,
footnotekind)) {
// the_end read this should NEVER happen
lex.printError("\\the_end read in inset! Error in document!");
return;
}
}
if (token != "\\end_inset") {
lex.printError("Missing \\end_inset at this point. "
"Read: `$$Token'");
}
init_inset = true;
}
int InsetText::ascent(Painter & pain, LyXFont const & font) const
{
if (init_inset) {
text->init(current_view);
computeTextRows(pain);
init_inset = false;
}
long int y_temp = 0;
Row * row = text->GetRowNearY(y_temp);
return row->ascent_of_text() + 2;
}
int InsetText::descent(Painter & pain, LyXFont const & font) const
{
if (init_inset) {
text->init(current_view);
computeTextRows(pain);
init_inset = false;
}
long int y = 0;
Row * row = text->GetRowNearY(y);
return text->height - row->ascent_of_text() + 2;
}
int InsetText::width(Painter & pain, LyXFont const &) const
{
if (init_inset) {
text->init(current_view);
computeTextRows(pain);
init_inset = false;
}
return std::max(static_cast<long int>(getMaxTextWidth(pain, this)),
text->width);
// return insetWidth;
}
void InsetText::draw(Painter & pain, LyXFont const & f,
int baseline, float & x) const
{
xpos = x;
UpdatableInset::draw(pain, f, baseline, x);
if (init_inset) {
text->init(current_view);
computeTextRows(pain);
init_inset = false;
}
if ((baseline != top_baseline) || (top_x != int(x))) {
top_baseline = baseline;
top_x = int(x);
computeBaselines(baseline);
}
if (the_locking_inset && (text->cursor.pos() == inset_pos)) {
resetPos(pain);
inset_x = text->cursor.x() - top_x + drawTextXOffset;
inset_y = text->cursor.y() + drawTextYOffset;
}
if (drawLockedFrame && locked) {
pain.rectangle(int(x), baseline - ascent(pain, f), width(pain, f),
ascent(pain,f) + descent(pain, f), frame_color);
}
x += TEXT_TO_INSET_OFFSET; // place for border
#if 1
// Dump all rowinformation:
long y_dummy = 0;
Row * tmprow = text->GetRowNearY(y_dummy);
lyxerr << "Baseline Paragraph Pos Height Ascent Fill\n";
while (tmprow) {
lyxerr << tmprow->baseline() << '\t'
<< tmprow->par() << '\t'
<< tmprow->pos() << '\t'
<< tmprow->height() << '\t'
<< tmprow->ascent_of_text() << '\t'
<< tmprow->fill() << '\n';
tmprow = tmprow->next();
}
lyxerr.flush();
long int y = 0;
Row * row = text->GetRowNearY(y);
y += baseline - row->ascent_of_text() + 1;
text->width = 0;
while (row != 0) {
text->GetVisibleRow(current_view, y, x, row, y);
y += row->height();
row = row->next();
}
#else
for(RowList::size_type 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);
}
#endif
x += insetWidth - TEXT_TO_INSET_OFFSET;
}
void InsetText::drawRowSelection(Painter & pain, int startpos, int endpos,
int row, int baseline, float x) const
{
if (!hasSelection())
return;
int s_start, s_end;
if (selection_start_cursor.pos() > selection_end_cursor.pos()) {
s_start = selection_end_cursor.pos();
s_end = selection_start_cursor.pos();
} else {
s_start = selection_start_cursor.pos();
s_end = selection_end_cursor.pos();
}
if ((s_start > endpos) || (s_end < startpos))
return;
int esel_x;
int ssel_x = esel_x = int(x);
LyXFont font;
int p = startpos;
for(; p < endpos; ++p) {
if (p == s_start)
ssel_x = int(x);
if ((p >= s_start) && (p <= s_end))
esel_x = int(x);
char ch = par->GetChar(p);
font = GetDrawFont(current_view->buffer(), 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 += lyxfont::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());
for(int p = startpos; p < endpos; ++p) {
char ch = par->GetChar(p);
LyXFont font = GetDrawFont(current_view->buffer(), par, p);
if (IsFloatChar(ch)) {
// skip for now
} else if (par->IsNewline(p)) {
// Draw end-of-line marker
int wid = lyxfont::width('n', font);
int asc = lyxfont::maxAscent(font);
int y = baseline;
int xp[3], yp[3];
xp[0] = int(x + wid * 0.375);
yp[0] = int(y - 0.875 * asc * 0.75);
xp[1] = int(x);
yp[1] = int(y - 0.500 * asc * 0.75);
xp[2] = int(x + wid * 0.375);
yp[2] = int(y - 0.125 * asc * 0.75);
pain.lines(xp, yp, 3, LColor::eolmarker);
xp[0] = int(x);
yp[0] = int(y - 0.500 * asc * 0.75);
xp[1] = int(x + wid);
yp[1] = int(y - 0.500 * asc * 0.75);
xp[2] = int(x + wid);
yp[2] = int(y - asc * 0.75);
pain.lines(xp, yp, 3, LColor::eolmarker);
x += wid;
} 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 += lyxfont::width(ch, font);
}
}
}
char const * InsetText::EditMessage() const
{
return _("Opened Text Inset");
}
void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
{
par->SetInsetOwner(this);
UpdatableInset::Edit(bv, x, y, button);
if (!bv->lockInset(this)) {
lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
return;
}
locked = true;
the_locking_inset = 0;
inset_pos = inset_x = inset_y = 0;
setPos(bv->painter(), x, y);
checkAndActivateInset(bv, x, y, button);
selection_start_cursor = selection_end_cursor = cursor;
current_font = real_current_font =GetFont(bv->buffer(), par, cursor.pos());
bv->text->FinishUndo();
UpdateLocal(bv, true);
}
void InsetText::InsetUnlock(BufferView * bv)
{
if (the_locking_inset) {
the_locking_inset->InsetUnlock(bv);
the_locking_inset = 0;
}
HideInsetCursor(bv);
lyxerr[Debug::INSETS] << "InsetText::InsetUnlock(" << this <<
")" << endl;
selection_start_cursor = selection_end_cursor = cursor;
no_selection = false;
locked = false;
UpdateLocal(bv, true);
}
bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
{
lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset(" << inset << "): ";
if (!inset)
return false;
if (inset == par->GetInset(text->cursor.pos())) {
lyxerr[Debug::INSETS] << "OK" << endl;
the_locking_inset = inset;
resetPos(bv->painter());
inset_x = text->cursor.x() - top_x + drawTextXOffset;
inset_y = text->cursor.y() + drawTextYOffset;
inset_pos = text->cursor.pos();
return true;
} else if (the_locking_inset && (the_locking_inset == inset)) {
if (text->cursor.pos() == inset_pos) {
lyxerr[Debug::INSETS] << "OK" << endl;
resetPos(bv->painter());
inset_x = text->cursor.x() - top_x + drawTextXOffset;
inset_y = text->cursor.y() + drawTextYOffset;
} else {
lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
}
} else if (the_locking_inset) {
lyxerr[Debug::INSETS] << "MAYBE" << endl;
return the_locking_inset->LockInsetInInset(bv, inset);
}
lyxerr[Debug::INSETS] << "NOT OK" << endl;
return false;
}
bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * 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);
lyxerr[Debug::INSETS] << "InsetText::UpdateInsetInInset(" << inset <<
")" << endl;
UpdateLocal(bv, true);
if (text->cursor.pos() == inset_pos) {
inset_x = text->cursor.x() - top_x + drawTextXOffset;
inset_y = text->cursor.y() + drawTextYOffset;
}
return true;
}
void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
{
if (hasSelection()) {
selection_start_cursor = selection_end_cursor = cursor;
UpdateLocal(bv, false);
}
no_selection = false;
setPos(bv->painter(), x, y);
cursor.x_fix(-1);
if (the_locking_inset) {
UpdatableInset * inset = 0;
if (par->GetChar(cursor.pos()) == LyXParagraph::META_INSET)
inset = static_cast<UpdatableInset*>(par->GetInset(cursor.pos()));
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
the_locking_inset->InsetUnlock(bv);
inset_x = cursor.x() - top_x + drawTextXOffset;
inset_y = cursor.y() + drawTextYOffset;
inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
inset->Edit(bv, x - inset_x, y - inset_y, button);
UpdateLocal(bv, true);
return;
}
// otherwise only unlock the_locking_inset
the_locking_inset->InsetUnlock(bv);
the_locking_inset = 0;
}
if (bv->the_locking_inset) {
if ((par->GetChar(cursor.pos()) == LyXParagraph::META_INSET) &&
par->GetInset(cursor.pos()) &&
(par->GetInset(cursor.pos())->Editable() == Inset::HIGHLY_EDITABLE)) {
UpdatableInset * inset =
static_cast<UpdatableInset*>(par->GetInset(cursor.pos()));
inset_x = cursor.x() - top_x + drawTextXOffset;
inset_y = cursor.y() + drawTextYOffset;
inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
inset->Edit(bv, x - inset_x, y - inset_y, 0);
UpdateLocal(bv, true);
}
}
selection_start_cursor = selection_end_cursor = cursor;
}
void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
{
UpdatableInset * inset = 0;
if (the_locking_inset) {
the_locking_inset->InsetButtonRelease(bv, x-inset_x, y-inset_y,button);
} else {
if (par->GetChar(cursor.pos()) == LyXParagraph::META_INSET) {
inset = static_cast<UpdatableInset*>(par->GetInset(cursor.pos()));
if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
} else {
inset_x = cursor.x() - top_x + drawTextXOffset;
inset_y = cursor.y() + drawTextYOffset;
inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
inset->Edit(bv, x - inset_x, y - inset_y, button);
}
}
}
no_selection = false;
}
void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
{
if (the_locking_inset) {
the_locking_inset->InsetMotionNotify(bv, x - inset_x,
y - inset_y,state);
return;
}
if (!no_selection) {
LyXCursor old = selection_end_cursor;
HideInsetCursor(bv);
setPos(bv->painter(), x, y);
selection_end_cursor = cursor;
if (old != selection_end_cursor)
UpdateLocal(bv, false);
ShowInsetCursor(bv);
}
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 const & arg)
{
no_selection = false;
UpdatableInset::RESULT
result= UpdatableInset::LocalDispatch(bv, action, arg);
if (result != UNDISPATCHED) {
resetPos(bv->painter());
return DISPATCHED;
}
result=DISPATCHED;
if ((action < 0) && arg.empty())
return FINISHED;
if ((action != LFUN_DOWN) && (action != LFUN_UP) &&
(action != LFUN_DOWNSEL) && (action != LFUN_UPSEL))
cursor.x_fix(-1);
if (the_locking_inset) {
result = the_locking_inset->LocalDispatch(bv, action, arg);
if (result == DISPATCHED_NOUPDATE)
return result;
else if (result == DISPATCHED) {
the_locking_inset->ToggleInsetCursor(bv);
UpdateLocal(bv, false);
the_locking_inset->ToggleInsetCursor(bv);
return result;
} else if (result == FINISHED) {
switch(action) {
case -1:
case LFUN_RIGHT:
cursor.pos(inset_pos + 1);
resetPos(bv->painter());
break;
case LFUN_DOWN:
moveDown(bv);
break;
}
the_locking_inset = 0;
return DISPATCHED;
}
}
HideInsetCursor(bv);
switch (action) {
// Normal chars
case -1:
bv->text->SetUndo(bv->buffer(), Undo::INSERT,
bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
cutSelection(bv->buffer());
cursor = selection_start_cursor;
par->InsertChar(cursor.pos(), arg[0]);
SetCharFont(bv->buffer(), cursor.pos(), current_font);
cursor.pos(cursor.pos() + 1);
selection_start_cursor = selection_end_cursor = cursor;
UpdateLocal(bv, true);
break;
// --- Cursor Movements ---------------------------------------------
case LFUN_RIGHTSEL:
bv->text->FinishUndo();
moveRight(bv, false);
selection_end_cursor = cursor;
UpdateLocal(bv, false);
break;
case LFUN_RIGHT:
bv->text->FinishUndo();
result = moveRight(bv);
if (hasSelection()) {
selection_start_cursor = selection_end_cursor = cursor;
UpdateLocal(bv, false);
} else {
selection_start_cursor = selection_end_cursor = cursor;
}
break;
case LFUN_LEFTSEL:
bv->text->FinishUndo();
moveLeft(bv, false);
selection_end_cursor = cursor;
UpdateLocal(bv, false);
break;
case LFUN_LEFT:
bv->text->FinishUndo();
result= moveLeft(bv);
if (hasSelection()) {
selection_start_cursor = selection_end_cursor = cursor;
UpdateLocal(bv, false);
} else {
selection_start_cursor = selection_end_cursor = cursor;
}
break;
case LFUN_DOWNSEL:
bv->text->FinishUndo();
moveDown(bv);
selection_end_cursor = cursor;
UpdateLocal(bv, false);
break;
case LFUN_DOWN:
bv->text->FinishUndo();
result = moveDown(bv);
if (hasSelection()) {
selection_start_cursor = selection_end_cursor = cursor;
UpdateLocal(bv, false);
} else {
selection_start_cursor = selection_end_cursor = cursor;
}
break;
case LFUN_UPSEL:
bv->text->FinishUndo();
moveUp(bv);
selection_end_cursor = cursor;
UpdateLocal(bv, false);
break;
case LFUN_UP:
bv->text->FinishUndo();
result = moveUp(bv);
if (hasSelection()) {
selection_start_cursor = selection_end_cursor = cursor;
UpdateLocal(bv, false);
} else {
selection_start_cursor = selection_end_cursor = cursor;
}
break;
case LFUN_BACKSPACE:
if (!cursor.pos()) {
if (hasSelection()) {
selection_start_cursor = selection_end_cursor = cursor;
UpdateLocal(bv, false);
}
break;
}
moveLeft(bv);
case LFUN_DELETE:
{
bv->text->SetUndo(bv->buffer(), Undo::DELETE,
bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
bool ret = true;
if (hasSelection()) {
LyXParagraph::size_type i = selection_start_cursor.pos();
for (; i < selection_end_cursor.pos(); ++i) {
par->Erase(selection_start_cursor.pos());
}
} else
ret = Delete();
if (ret) { // we need update
selection_start_cursor = selection_end_cursor = cursor;
UpdateLocal(bv, true);
} else if (hasSelection()) {
selection_start_cursor = selection_end_cursor = cursor;
UpdateLocal(bv, false);
}
}
resetPos(bv->painter());
break;
case LFUN_CUT:
bv->text->SetUndo(bv->buffer(), Undo::DELETE,
bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
if (cutSelection(bv->buffer())) {
// we need update
cursor = selection_end_cursor = selection_start_cursor;
UpdateLocal(bv, true);
} else if (hasSelection()) {
selection_start_cursor = selection_end_cursor = cursor;
UpdateLocal(bv, false);
}
resetPos(bv->painter());
break;
case LFUN_COPY:
bv->text->FinishUndo();
if (copySelection(bv->buffer())) {
// we need update
selection_start_cursor = selection_end_cursor = cursor;
UpdateLocal(bv, true);
} else if (hasSelection()) {
selection_start_cursor = selection_end_cursor = cursor;
UpdateLocal(bv, false);
}
break;
case LFUN_PASTE:
{
bv->text->SetUndo(bv->buffer(), Undo::INSERT,
bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
if (pasteSelection(bv->buffer())) {
selection_start_cursor = selection_end_cursor = cursor;
UpdateLocal(bv, true);
}
}
resetPos(bv->painter());
break;
case LFUN_HOME:
bv->text->FinishUndo();
for(; cursor.pos() > rows[actrow].pos;) {
cursor.x(cursor.x() - SingleWidth(bv->painter(), par, cursor.pos()));
cursor.pos(cursor.pos() - 1);
}
cursor.x(cursor.x() - SingleWidth(bv->painter(), par, cursor.pos()));
if (hasSelection()) {
selection_start_cursor = selection_end_cursor = cursor;
UpdateLocal(bv, false);
} else {
selection_start_cursor = selection_end_cursor = cursor;
}
resetPos(bv->painter());
break;
case LFUN_END:
{
bv->text->FinishUndo();
int checkpos = (int)rows[actrow + 1].pos;
if ((actrow + 2) < (int)rows.size())
--checkpos;
for(; cursor.pos() < checkpos;) {
cursor.x(cursor.x() + SingleWidth(bv->painter(), par, cursor.pos()));
cursor.pos(cursor.pos() + 1);
}
if (hasSelection()) {
selection_start_cursor = selection_end_cursor = cursor;
UpdateLocal(bv, false);
} else {
selection_start_cursor = selection_end_cursor = cursor;
}
}
resetPos(bv->painter());
break;
case LFUN_BREAKPARAGRAPH:
case LFUN_BREAKLINE:
if (!autoBreakRows)
return DISPATCHED;
bv->text->SetUndo(bv->buffer(), Undo::INSERT,
bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
par->InsertChar(cursor.pos(),LyXParagraph::META_NEWLINE);
SetCharFont(bv->buffer(), cursor.pos(),current_font);
UpdateLocal(bv, true);
cursor.pos(cursor.pos() + 1);
selection_start_cursor = selection_end_cursor = cursor;
resetPos(bv->painter());
break;
case LFUN_LAYOUT:
{
static LyXTextClass::size_type cur_layout = par->layout;
// Derive layout number from given argument (string)
// and current buffer's textclass (number). */
LyXTextClassList::ClassList::size_type tclass =
bv->buffer()->params.textclass;
std::pair <bool, LyXTextClass::size_type> layout =
textclasslist.NumberOfLayout(tclass, arg);
// If the entry is obsolete, use the new one instead.
if (layout.first) {
string obs = textclasslist.Style(tclass,layout.second).
obsoleted_by();
if (!obs.empty())
layout = textclasslist.NumberOfLayout(tclass, obs);
}
// see if we found the layout number:
if (!layout.first) {
string msg = string(N_("Layout ")) + arg + N_(" not known");
bv->owner()->getMiniBuffer()->Set(msg);
break;
}
if (cur_layout != layout.second) {
cur_layout = layout.second;
text->SetLayout(bv, layout.second);
bv->owner()->getToolbar()->combox->select(cursor.par()->GetLayout()+1);
UpdateLocal(bv, true);
}
}
break;
default:
result = UNDISPATCHED;
break;
}
if (result != FINISHED) {
ShowInsetCursor(bv);
} else
bv->unlockInset(this);
return result;
}
int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
{
TexRow texrow;
buf->latexParagraphs(os, par, 0, texrow);
return texrow.rows();
}
void InsetText::Validate(LaTeXFeatures & features) const
{
par->validate(features);
}
// Returns the width of a character at a certain spot
int InsetText::SingleWidth(Painter & pain, LyXParagraph * p, int pos) const
{
LyXFont font = GetDrawFont(current_view->buffer(), p, pos);
char c = p->GetChar(pos);
if (IsPrintable(c)) {
return lyxfont::width(c, font);
} else if (c == LyXParagraph::META_INSET) {
Inset const * tmpinset = p->GetInset(pos);
if (tmpinset)
return tmpinset->width(pain, font);
else
return 0;
} else if (IsSeparatorChar(c))
c = ' ';
else if (IsNewlineChar(c))
c = 'n';
return lyxfont::width(c, font);
}
// Returns the width of a character at a certain spot
void InsetText::SingleHeight(Painter & pain, LyXParagraph * p,int pos,
int & asc, int & desc) const
{
LyXFont font = GetDrawFont(current_view->buffer(), p, pos);
char c = p->GetChar(pos);
asc = desc = 0;
if (c == LyXParagraph::META_INSET) {
Inset const * tmpinset=p->GetInset(pos);
if (tmpinset) {
asc = tmpinset->ascent(pain, font);
desc = tmpinset->descent(pain, font);
}
} else {
asc = lyxfont::maxAscent(font);
desc = lyxfont::maxDescent(font);
}
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(Buffer const * buf, LyXParagraph * p, int pos) const
{
char par_depth = p->GetDepth();
LyXLayout const & layout =
textclasslist.Style(buf->params.textclass, p->GetLayout());
// We specialize the 95% common case:
if (p->footnoteflag == LyXParagraph::NO_FOOTNOTE && !par_depth) {
if (pos >= 0) {
// 95% goes here
if (layout.labeltype == LABEL_MANUAL
&& pos < BeginningOfMainBody(buf, p)) {
// 1% goes here
return p->GetFontSettings(buf->params,
pos).realize(layout.reslabelfont);
} else
return p->GetFontSettings(buf->params,
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(buf, p)) {
// 1% goes here
layoutfont = layout.labelfont;
} else {
// 99% goes here
layoutfont = layout.font;
}
tmpfont = p->GetFontSettings(buf->params, 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 (p && par_depth && !tmpfont.resolved()) {
p = p->DepthHook(par_depth - 1);
if (p) {
tmpfont.realize(textclasslist.Style(buf->params.textclass,
p->GetLayout()).font);
par_depth = p->GetDepth();
}
}
tmpfont.realize((textclasslist.TextClass(buf->params.textclass).
defaultfont()));
return tmpfont;
}
// the font for drawing may be different from the real font
LyXFont InsetText::GetDrawFont(Buffer const * buf, LyXParagraph * p, int pos) const
{
return GetFont(buf, p, pos);
}
int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
{
if (textclasslist.Style(buf->params.textclass,
p->GetLayout()).labeltype != LABEL_MANUAL)
return 0;
else
return p->BeginningOfMainBody();
}
void InsetText::GetCursorPos(int & x, int & y) const
{
x = cursor.x();
y = cursor.y();
}
int InsetText::InsetInInsetY()
{
if (!the_locking_inset)
return 0;
return (inset_y + the_locking_inset->InsetInInsetY());
}
void InsetText::ToggleInsetCursor(BufferView * bv)
{
if (the_locking_inset) {
the_locking_inset->ToggleInsetCursor(bv);
return;
}
LyXFont font = GetDrawFont(bv->buffer(), par, text->cursor.pos());
int asc = lyxfont::maxAscent(font);
int desc = lyxfont::maxDescent(font);
asc = text->cursor.row()->ascent_of_text();
desc = text->cursor.row()->height() - asc;
if (cursor_visible)
bv->hideLockedInsetCursor();
else
bv->showLockedInsetCursor(text->cursor.x(), text->cursor.y(),
asc, desc);
cursor_visible = !cursor_visible;
}
void InsetText::ShowInsetCursor(BufferView * bv)
{
if (the_locking_inset) {
the_locking_inset->ShowInsetCursor(bv);
return;
}
if (!cursor_visible) {
LyXFont font = GetDrawFont(bv->buffer(), par, cursor.pos());
int asc = lyxfont::maxAscent(font);
int desc = lyxfont::maxDescent(font);
asc = text->cursor.row()->ascent_of_text();
desc = text->cursor.row()->height() - asc;
bv->fitLockedInsetCursor(text->cursor.x(), text->cursor.y(), asc, desc);
bv->showLockedInsetCursor(text->cursor.x(), text->cursor.y(), asc, desc);
cursor_visible = true;
}
}
void InsetText::HideInsetCursor(BufferView * bv)
{
if (cursor_visible) {
bv->hideLockedInsetCursor();
cursor_visible = false;
}
if (the_locking_inset)
the_locking_inset->HideInsetCursor(bv);
}
void InsetText::setPos(Painter & pain, int x, int y) const
{
x -= drawTextXOffset;
y -= drawTextYOffset;
// search right X-pos x==0 -> top_x
cursor.pos(0);
actrow = 0;
cursor.y(top_baseline);
y += cursor.y();
for(unsigned int i = 1;
(long(cursor.y() + rows[i - 1].desc) < y)
&& (i < rows.size() - 1); ++i) {
cursor.y(rows[i].baseline);
cursor.pos(rows[i].pos);
actrow = i;
}
cursor.y(cursor.y() - top_baseline);
cursor.x(top_x + 2); // 2 = frame width
x += cursor.x();
int swh;
int sw = swh = SingleWidth(pain, par, cursor.pos());
if (par->GetChar(cursor.pos()) != LyXParagraph::META_INSET)
swh /= 2;
int checkpos = rows[actrow + 1].pos;
if ((actrow + 2) < (int)rows.size())
--checkpos;
while ((cursor.pos() < checkpos) && ((cursor.x() + swh) < x)) {
cursor.x(cursor.x() + sw);
cursor.pos(cursor.pos() + 1);
sw = swh = SingleWidth(pain, par, cursor.pos());
if (par->GetChar(cursor.pos())!=LyXParagraph::META_INSET)
swh /= 2;
}
}
void InsetText::resetPos(Painter & pain) const
{
cursor.par(par);
if (!rows.size())
return;
int old_pos = cursor.pos();
cursor.y(top_baseline);
actrow = 0;
for(unsigned int i = 0;
i < (rows.size() - 1) && rows[i].pos <= cursor.pos();
++i) {
cursor.y(rows[i].baseline);
actrow = i;
}
cursor.y(cursor.y() - top_baseline);
setPos(pain, 0, cursor.y());
cursor.x(top_x + 2); // 2 = frame width
while(cursor.pos() < old_pos) {
cursor.x(cursor.x() + SingleWidth(pain, par,cursor.pos()));
cursor.pos(cursor.pos() + 1);
}
}
UpdatableInset::RESULT
InsetText::moveRight(BufferView * bv, bool activate_inset)
{
if (cursor.pos() >= par->Last())
return FINISHED;
if (activate_inset && checkAndActivateInset(bv)) {
return DISPATCHED;
}
cursor.pos(cursor.pos() + 1);
resetPos(bv->painter());
real_current_font = current_font =GetFont(bv->buffer(), par, cursor.pos());
return DISPATCHED_NOUPDATE;
}
UpdatableInset::RESULT
InsetText::moveLeft(BufferView * bv, bool activate_inset)
{
if (cursor.pos() <= 0)
return FINISHED;
cursor.pos(cursor.pos() - 1);
resetPos(bv->painter());
if (activate_inset)
if (checkAndActivateInset(bv, -1, -1))
return DISPATCHED;
return DISPATCHED_NOUPDATE;
}
UpdatableInset::RESULT
InsetText::moveUp(BufferView * bv)
{
if (!actrow)
return FINISHED;
cursor.y(rows[actrow - 1].baseline - top_baseline);
if (cursor.x_fix() < 0)
cursor.x_fix(cursor.x());
setPos(bv->painter(),
cursor.x_fix() - top_x + drawTextXOffset, cursor.y());
return DISPATCHED_NOUPDATE;
}
UpdatableInset::RESULT
InsetText::moveDown(BufferView * bv)
{
if (actrow >= int(rows.size() - 2))
return FINISHED;
cursor.y(rows[actrow + 1].baseline - top_baseline);
if (cursor.x_fix() < 0)
cursor.x_fix(cursor.x());
setPos(bv->painter(),
cursor.x_fix() - top_x + drawTextXOffset, cursor.y());
return DISPATCHED_NOUPDATE;
}
bool InsetText::Delete()
{
if ((par->GetChar(cursor.pos())==LyXParagraph::META_INSET) &&
!par->GetInset(cursor.pos())->Deletable()) {
return false;
}
par->Erase(cursor.pos());
return true;
}
bool InsetText::InsertInset(BufferView * bv, Inset * inset)
{
if (the_locking_inset) {
if (the_locking_inset->InsertInsetAllowed(inset))
return the_locking_inset->InsertInset(bv, inset);
return false;
}
bv->text->SetUndo(bv->buffer(), Undo::INSERT,
bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
if (inset->Editable() == Inset::IS_EDITABLE) {
UpdatableInset * i = static_cast<UpdatableInset *>(inset);
i->setOwner(static_cast<UpdatableInset *>(this));
}
par->InsertChar(cursor.pos(), LyXParagraph::META_INSET);
par->InsertInset(cursor.pos(), inset);
if (hasSelection()) {
selection_start_cursor = selection_end_cursor = cursor;
} else {
selection_start_cursor = selection_end_cursor = cursor;
}
UpdateLocal(bv, true);
static_cast<UpdatableInset*>(inset)->Edit(bv, 0, 0, 0);
return true;
}
UpdatableInset * InsetText::GetLockingInset()
{
return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
}
UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
{
if (c == LyxCode())
return this;
if (the_locking_inset)
return the_locking_inset->GetFirstLockingInsetOfType(c);
return 0;
}
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 (cursor.pos() < BeginningOfMainBody(bv->buffer(), par))
layoutfont = GetFont(bv->buffer(), par, -2);
else
layoutfont = GetFont(bv->buffer(), par, -1);
// Update current font
real_current_font.update(font, bv->buffer()->params.language_info,
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_cursor.pos() > selection_end_cursor.pos()) {
s_start = selection_end_cursor.pos();
s_end = selection_start_cursor.pos();
} else {
s_start = selection_start_cursor.pos();
s_end = selection_end_cursor.pos();
}
LyXFont newfont;
while(s_start < s_end) {
newfont = GetFont(bv->buffer(), par,s_start);
newfont.update(font, bv->buffer()->params.language_info, toggleall);
SetCharFont(bv->buffer(), s_start, newfont);
++s_start;
}
UpdateLocal(bv, true);
}
void InsetText::SetCharFont(Buffer const * buf, int pos, LyXFont const & f) //
{
/* let the insets convert their font */
LyXFont font(f);
if (par->GetChar(pos) == LyXParagraph::META_INSET) {
if (par->GetInset(pos))
font = par->GetInset(pos)->ConvertFont(font);
}
LyXLayout const & layout =
textclasslist.Style(buf->params.textclass,par->GetLayout());
// Get concrete layout font to reduce against
LyXFont layoutfont;
if (pos < BeginningOfMainBody(buf, par))
layoutfont = layout.labelfont;
else
layoutfont = layout.font;
layoutfont.realize((textclasslist.TextClass(buf->params.textclass).
defaultfont()));
// Now, reduce font against full layout font
font.reduce(layoutfont);
par->SetFont(pos, font);
}
void InsetText::computeTextRows(Painter & pain) const
{
int p,
nwp = 0,
asc = 0,
desc = 0,
oasc = 0,
odesc = 0,
wordAscent,
wordDescent;
row_struct row;
if (rows.size())
rows.clear();
int 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 (!autoBreakRows || (getMaxTextWidth(pain, this) < 0)) {
for(p = 0; p < par->Last(); ++p) {
insetWidth += SingleWidth(pain, par, p);
SingleHeight(pain, par, p, asc, desc);
maxAscent = max(maxAscent, asc);
maxDescent = max(maxDescent, desc);
}
insetWidth += (2 * TEXT_TO_INSET_OFFSET);
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;
int maxWidth = getMaxTextWidth(pain, this);
// if we auto break rows than the insetwidth should be always the max
// width as the display is stable it may get larger if we have a really
// large word below and we draw it!!!
insetWidth = maxWidth;
for(p = 0; p < par->Last(); ++p) {
if (par->IsNewline(p)) {
rows.back().asc = wordAscent;
rows.back().desc = wordDescent;
row.pos = p+1;
rows.push_back(row);
nwp = p+1;
width = lastWordWidth = 0;
oasc = odesc = wordAscent = wordDescent = 0;
is_first_word_in_row = true;
continue;
}
cw = SingleWidth(pain, par, p);
Inset * inset = 0;
if (par->GetChar(p) == LyXParagraph::META_INSET)
inset = par->GetInset(p);
if (inset && inset->display()) {
inset->setOwner(const_cast<InsetText *>(this));
if (cw > insetWidth)
insetWidth = cw;
if (!is_first_word_in_row || (p != nwp)) {
oasc = max(oasc, wordAscent);
odesc = max(odesc, wordDescent);
rows.back().asc = oasc;
rows.back().desc = odesc;
row.pos = p;
rows.push_back(row);
}
SingleHeight(pain, par, p, asc, desc);
rows.back().asc = asc;
rows.back().desc = desc;
row.pos = nwp = p + 1;
rows.push_back(row);
width = lastWordWidth = 0;
oasc = odesc = wordAscent = wordDescent = 0;
is_first_word_in_row = true;
continue;
}
SingleHeight(pain, par, p, asc, desc);
width += cw;
lastWordWidth += cw;
if (width > maxWidth) {
if (is_first_word_in_row) {
if (!(width-cw)) { // only this character in word
rows.back().asc = asc;
rows.back().desc = desc;
row.pos = p+1;
rows.push_back(row);
oasc = 0;
odesc = 0;
wordAscent = 0;
wordDescent = 0;
nwp = p + 1;
lastWordWidth = width = 0;
} else {
rows.back().asc = wordAscent;
rows.back().desc = wordDescent;
row.pos = p;
rows.push_back(row);
oasc = 0;
odesc = 0;
wordAscent = asc;
wordDescent = desc;
lastWordWidth = width = cw;
nwp = p;
}
} else {
rows.back().asc = oasc;
rows.back().desc = odesc;
row.pos = nwp;
rows.push_back(row);
oasc = wordAscent;
odesc = wordDescent;
width = lastWordWidth;
wordAscent = max(wordAscent, asc);
wordDescent = max(wordDescent, desc);
is_first_word_in_row = true;
}
} else {
wordAscent = max(wordAscent, asc);
wordDescent = max(wordDescent, desc);
}
if (par->IsSeparator(p) || inset) {
if (inset) {
inset->setOwner(const_cast<InsetText *>(this));
if (cw > maxWidth)
insetWidth = cw;
}
oasc = max(oasc, wordAscent);
odesc = max(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) {
// assign last row data
rows.back().asc = max(oasc, wordAscent);
rows.back().desc = max(odesc, wordDescent);
}
insetWidth += (2 * TEXT_TO_INSET_OFFSET);
// 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 (RowList::size_type i = 1; i < rows.size() - 1; ++i) {
maxDescent += rows[i].asc + rows[i].desc + interline_space;
}
}
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::UpdateLocal(BufferView * bv, bool flag)
{
if (flag) {
text->FullRebreak(bv);
computeTextRows(bv->painter());
computeBaselines(top_baseline);
}
bv->updateInset(this, flag);
if (flag)
resetPos(bv->painter());
bv->owner()->getToolbar()->combox->select(cursor.par()->GetLayout()+1);
}
bool InsetText::cutSelection(Buffer const * buf)
{
if (!hasSelection())
return false;
CutAndPaste cap;
LyXParagraph * endpar = par;
int start, end;
if (selection_start_cursor.pos() > selection_end_cursor.pos()) {
start = selection_end_cursor.pos();
end = selection_start_cursor.pos();
} else {
start = selection_start_cursor.pos();
end = selection_end_cursor.pos();
}
return cap.cutSelection(par, &endpar, start, end, buf->params.textclass);
}
bool InsetText::copySelection(Buffer const * buf)
{
if (!hasSelection())
return false;
CutAndPaste cap;
int start, end;
if (selection_start_cursor.pos() > selection_end_cursor.pos()) {
start = selection_end_cursor.pos();
end = selection_start_cursor.pos();
} else {
start = selection_start_cursor.pos();
end = selection_end_cursor.pos();
}
return cap.copySelection(par, par, start, end, buf->params.textclass);
}
bool InsetText::pasteSelection(Buffer const * buf)
{
CutAndPaste cap;
if (cap.nrOfParagraphs() > 1) {
WriteAlert(_("Impossible operation"),
_("Cannot include more than one paragraph!"),
_("Sorry."));
return false;
}
LyXParagraph * endpar;
LyXParagraph * actpar = par;
int pos = cursor.pos();
bool ret = cap.pasteSelection(&actpar, &endpar, pos,buf->params.textclass);
cursor.pos(pos);
return ret;
}
bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
int button)
{
if (par->GetChar(cursor.pos()) == LyXParagraph::META_INSET) {
UpdatableInset * inset =
static_cast<UpdatableInset*>(par->GetInset(cursor.pos()));
LyXFont font = GetFont(bv->buffer(), par, cursor.pos());
if (x < 0)
x = inset->width(bv->painter(), font);
if (y < 0)
y = inset->descent(bv->painter(), font);
inset_x = cursor.x() - top_x + drawTextXOffset;
inset_y = cursor.y() + drawTextYOffset;
inset->Edit(bv, x - inset_x, y - inset_y, button);
if (!the_locking_inset)
return false;
UpdateLocal(bv, true);
return true;
}
return false;
}
int InsetText::getMaxTextWidth(Painter & pain, UpdatableInset const * inset) const
{
// int w=getMaxWidth(pain, inset);
// return (w - x);
return getMaxWidth(pain, inset) - 4; // 2+2 width of eventual border
}
void InsetText::SetParagraphData(LyXParagraph *p)
{
if (par)
delete par;
par = p->Clone();
par->SetInsetOwner(this);
init_inset = true;
}
void InsetText::SetAutoBreakRows(bool flag)
{
if (flag != autoBreakRows) {
autoBreakRows = flag;
init_inset = true;
}
}
void InsetText::SetDrawLockedFrame(bool flag)
{
if (flag != drawLockedFrame) {
drawLockedFrame = flag;
init_inset = true;
}
}
void InsetText::SetFrameColor(LColor::color col)
{
if (frame_color != col) {
frame_color = col;
init_inset = true;
}
}