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lyx_mirror/src/Text3.cpp
Martin Vermeer ee038db36d Safer code for allowMultiPar(), thx Angus 
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@20939 a592a061-630c-0410-9148-cb99ea01b6c8
2007-10-13 09:14:49 +00:00

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/**
* \file text3.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Asger Alstrup
* \author Lars Gullik Bjønnes
* \author Alfredo Braunstein
* \author Angus Leeming
* \author John Levon
* \author André Pönitz
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "Text.h"
#include "Bidi.h"
#include "BranchList.h"
#include "FloatList.h"
#include "FuncStatus.h"
#include "Buffer.h"
#include "buffer_funcs.h"
#include "BufferParams.h"
#include "BufferView.h"
#include "Cursor.h"
#include "CutAndPaste.h"
#include "debug.h"
#include "DispatchResult.h"
#include "ErrorList.h"
#include "factory.h"
#include "FuncRequest.h"
#include "gettext.h"
#include "Intl.h"
#include "Language.h"
#include "Layout.h"
#include "LyXAction.h"
#include "LyXFunc.h"
#include "Lexer.h"
#include "LyXRC.h"
#include "Paragraph.h"
#include "paragraph_funcs.h"
#include "ParagraphParameters.h"
#include "TextMetrics.h"
#include "Undo.h"
#include "VSpace.h"
#include "ParIterator.h"
#include "frontends/Clipboard.h"
#include "frontends/Selection.h"
#include "insets/InsetCollapsable.h"
#include "insets/InsetCommand.h"
#include "insets/InsetFloatList.h"
#include "insets/InsetNewline.h"
#include "insets/InsetQuotes.h"
#include "insets/InsetSpecialChar.h"
#include "insets/InsetText.h"
#include "insets/InsetInfo.h"
#include "support/lstrings.h"
#include "support/lyxlib.h"
#include "support/convert.h"
#include "support/lyxtime.h"
#include "mathed/InsetMathHull.h"
#include "mathed/MathMacroTemplate.h"
#include <boost/current_function.hpp>
#include <clocale>
#include <sstream>
using std::endl;
using std::string;
using std::istringstream;
using std::ostringstream;
namespace lyx {
using cap::copySelection;
using cap::cutSelection;
using cap::pasteFromStack;
using cap::pasteClipboard;
using cap::replaceSelection;
using support::isStrUnsignedInt;
using support::token;
// globals...
static Font freefont(Font::ALL_IGNORE);
static bool toggleall = false;
static void toggleAndShow(Cursor & cur, Text * text,
Font const & font, bool toggleall = true)
{
text->toggleFree(cur, font, toggleall);
if (font.language() != ignore_language ||
font.number() != Font::IGNORE) {
TextMetrics const & tm = cur.bv().textMetrics(text);
if (cur.boundary() != tm.isRTLBoundary(cur.pit(),
cur.pos(), cur.real_current_font))
text->setCursor(cur, cur.pit(), cur.pos(),
false, !cur.boundary());
}
}
static void moveCursor(Cursor & cur, bool selecting)
{
if (selecting || cur.mark())
cur.setSelection();
}
static void finishChange(Cursor & cur, bool selecting)
{
finishUndo();
moveCursor(cur, selecting);
}
static void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
{
recordUndo(cur);
docstring sel = cur.selectionAsString(false);
// It may happen that sel is empty but there is a selection
replaceSelection(cur);
if (sel.empty()) {
#ifdef ENABLE_ASSERTIONS
const int old_pos = cur.pos();
#endif
cur.insert(new InsetMathHull(hullSimple));
BOOST_ASSERT(old_pos == cur.pos());
cur.nextInset()->edit(cur, true);
// don't do that also for LFUN_MATH_MODE
// unless you want end up with always changing
// to mathrm when opening an inlined inset --
// I really hate "LyXfunc overloading"...
if (display)
cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
// Avoid an unnecessary undo step if cmd.argument
// is empty
if (!cmd.argument().empty())
cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
cmd.argument()));
} else {
// create a macro if we see "\\newcommand"
// somewhere, and an ordinary formula
// otherwise
if (sel.find(from_ascii("\\newcommand")) == string::npos
&& sel.find(from_ascii("\\def")) == string::npos)
{
InsetMathHull * formula = new InsetMathHull;
istringstream is(to_utf8(sel));
Lexer lex(0, 0);
lex.setStream(is);
formula->read(cur.buffer(), lex);
if (formula->getType() == hullNone)
// Don't create pseudo formulas if
// delimiters are left out
formula->mutate(hullSimple);
cur.insert(formula);
} else {
cur.insert(new MathMacroTemplate(sel));
}
}
cur.message(from_utf8(N_("Math editor mode")));
}
static void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
{
recordUndo(cur);
cap::replaceSelection(cur);
cur.insert(new InsetSpecialChar(kind));
cur.posRight();
}
static bool doInsertInset(Cursor & cur, Text * text,
FuncRequest const & cmd, bool edit, bool pastesel)
{
Inset * inset = createInset(&cur.bv(), cmd);
if (!inset)
return false;
recordUndo(cur);
if (cmd.action == LFUN_INDEX_INSERT) {
docstring ds = support::subst(text->getStringToIndex(cur), '\n', ' ');
text->insertInset(cur, inset);
if (edit)
inset->edit(cur, true);
// Now put this into inset
static_cast<InsetCollapsable *>(inset)->text_.insertStringAsParagraphs(cur, ds);
} else {
bool gotsel = false;
if (cur.selection()) {
lyx::dispatch(FuncRequest(LFUN_CUT));
gotsel = true;
}
text->insertInset(cur, inset);
if (edit)
inset->edit(cur, true);
if (gotsel && pastesel) {
lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
InsetText * insetText = dynamic_cast<InsetText *>(inset);
if (insetText && !insetText->allowMultiPar()
|| cur.lastpit() == 0) {
// reset first par to default
LayoutPtr const layout =
cur.buffer().params().getTextClass().defaultLayout();
cur.text()->paragraphs().begin()->layout(layout);
cur.pos() = 0;
cur.pit() = 0;
// Merge multiple paragraphs -- hack
while (cur.lastpit() > 0) {
mergeParagraph(cur.buffer().params(),
cur.text()->paragraphs(), 0);
}
} else {
// reset surrounding par to default
docstring const layoutname =
cur.buffer().params().getTextClass().defaultLayoutName();
cur.leaveInset(*inset);
text->setLayout(cur, layoutname);
}
}
}
return true;
}
string const freefont2string()
{
return freefont.toString(toggleall);
}
void Text::number(Cursor & cur)
{
Font font(Font::ALL_IGNORE);
font.setNumber(Font::TOGGLE);
toggleAndShow(cur, this, font);
}
bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
{
return par.isRTL(buffer.params());
}
void Text::dispatch(Cursor & cur, FuncRequest & cmd)
{
LYXERR(Debug::ACTION) << "Text::dispatch: cmd: " << cmd << endl;
// FIXME: We use the update flag to indicates wether a singlePar or a
// full screen update is needed. We reset it here but shall we restore it
// at the end?
cur.noUpdate();
BOOST_ASSERT(cur.text() == this);
BufferView * bv = &cur.bv();
TextMetrics & tm = cur.bv().textMetrics(this);
CursorSlice oldTopSlice = cur.top();
bool oldBoundary = cur.boundary();
bool sel = cur.selection();
// Signals that, even if needsUpdate == false, an update of the
// cursor paragraph is required
bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
LyXAction::SingleParUpdate);
// Signals that a full-screen update is required
bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
LyXAction::NoUpdate) || singleParUpdate);
// Remember the old paragraph metric (_outer_ paragraph!)
ParagraphMetrics const & pm = cur.bv().parMetrics(
cur.bottom().text(), cur.bottom().pit());
Dimension olddim = pm.dim();
switch (cmd.action) {
case LFUN_PARAGRAPH_MOVE_DOWN: {
pit_type const pit = cur.pit();
recUndo(cur, pit, pit + 1);
finishUndo();
std::swap(pars_[pit], pars_[pit + 1]);
updateLabels(cur.buffer());
needsUpdate = true;
++cur.pit();
break;
}
case LFUN_PARAGRAPH_MOVE_UP: {
pit_type const pit = cur.pit();
recUndo(cur, pit - 1, pit);
finishUndo();
std::swap(pars_[pit], pars_[pit - 1]);
updateLabels(cur.buffer());
--cur.pit();
needsUpdate = true;
break;
}
case LFUN_APPENDIX: {
Paragraph & par = cur.paragraph();
bool start = !par.params().startOfAppendix();
// FIXME: The code below only makes sense at top level.
// Should LFUN_APPENDIX be restricted to top-level paragraphs?
// ensure that we have only one start_of_appendix in this document
// FIXME: this don't work for multipart document!
for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
if (pars_[tmp].params().startOfAppendix()) {
recUndo(cur, tmp);
pars_[tmp].params().startOfAppendix(false);
break;
}
}
recordUndo(cur);
par.params().startOfAppendix(start);
// we can set the refreshing parameters now
updateLabels(cur.buffer());
break;
}
case LFUN_WORD_DELETE_FORWARD:
if (cur.selection()) {
cutSelection(cur, true, false);
} else
deleteWordForward(cur);
finishChange(cur, false);
break;
case LFUN_WORD_DELETE_BACKWARD:
if (cur.selection()) {
cutSelection(cur, true, false);
} else
deleteWordBackward(cur);
finishChange(cur, false);
break;
case LFUN_LINE_DELETE:
if (cur.selection()) {
cutSelection(cur, true, false);
} else
tm.deleteLineForward(cur);
finishChange(cur, false);
break;
case LFUN_BUFFER_BEGIN:
case LFUN_BUFFER_BEGIN_SELECT:
needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
if (cur.depth() == 1) {
needsUpdate |= cursorTop(cur);
} else {
cur.undispatched();
}
break;
case LFUN_BUFFER_END:
case LFUN_BUFFER_END_SELECT:
needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
if (cur.depth() == 1) {
needsUpdate |= cursorBottom(cur);
} else {
cur.undispatched();
}
break;
case LFUN_CHAR_FORWARD:
case LFUN_CHAR_FORWARD_SELECT:
//lyxerr << BOOST_CURRENT_FUNCTION
// << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
if (reverseDirectionNeeded(cur))
needsUpdate |= cursorLeft(cur);
else
needsUpdate |= cursorRight(cur);
if (!needsUpdate && oldTopSlice == cur.top()
&& cur.boundary() == oldBoundary) {
cur.undispatched();
cmd = FuncRequest(LFUN_FINISHED_RIGHT);
}
break;
case LFUN_CHAR_BACKWARD:
case LFUN_CHAR_BACKWARD_SELECT:
//lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
if (reverseDirectionNeeded(cur))
needsUpdate |= cursorRight(cur);
else
needsUpdate |= cursorLeft(cur);
if (!needsUpdate && oldTopSlice == cur.top()
&& cur.boundary() == oldBoundary) {
cur.undispatched();
cmd = FuncRequest(LFUN_FINISHED_LEFT);
}
break;
case LFUN_UP_SELECT:
case LFUN_DOWN_SELECT:
case LFUN_UP:
case LFUN_DOWN: {
// stop/start the selection
bool select = cmd.action == LFUN_DOWN_SELECT ||
cmd.action == LFUN_UP_SELECT;
cur.selHandle(select);
// move cursor up/down
bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
bool const successful = cur.upDownInText(up, needsUpdate);
if (successful) {
// notify insets which were left and get their update flags
notifyCursorLeaves(cur.beforeDispatchCursor(), cur);
cur.fixIfBroken();
// redraw if you leave mathed (for the decorations)
needsUpdate |= cur.beforeDispatchCursor().inMathed();
} else
cur.undispatched();
break;
}
case LFUN_PARAGRAPH_UP:
case LFUN_PARAGRAPH_UP_SELECT:
needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
needsUpdate |= cursorUpParagraph(cur);
break;
case LFUN_PARAGRAPH_DOWN:
case LFUN_PARAGRAPH_DOWN_SELECT:
needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
needsUpdate |= cursorDownParagraph(cur);
break;
case LFUN_SCREEN_UP_SELECT:
needsUpdate |= cur.selHandle(true);
if (cur.pit() == 0 && cur.textRow().pos() == 0)
cur.undispatched();
else {
tm.cursorPrevious(cur);
}
break;
case LFUN_SCREEN_DOWN_SELECT:
needsUpdate |= cur.selHandle(true);
if (cur.pit() == cur.lastpit()
&& cur.textRow().endpos() == cur.lastpos())
cur.undispatched();
else {
tm.cursorNext(cur);
}
break;
case LFUN_LINE_BEGIN:
case LFUN_LINE_BEGIN_SELECT:
needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
needsUpdate |= tm.cursorHome(cur);
break;
case LFUN_LINE_END:
case LFUN_LINE_END_SELECT:
needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
needsUpdate |= tm.cursorEnd(cur);
break;
case LFUN_WORD_FORWARD:
case LFUN_WORD_FORWARD_SELECT:
needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
if (reverseDirectionNeeded(cur))
needsUpdate |= cursorLeftOneWord(cur);
else
needsUpdate |= cursorRightOneWord(cur);
break;
case LFUN_WORD_BACKWARD:
case LFUN_WORD_BACKWARD_SELECT:
needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
if (reverseDirectionNeeded(cur))
needsUpdate |= cursorRightOneWord(cur);
else
needsUpdate |= cursorLeftOneWord(cur);
break;
case LFUN_WORD_SELECT: {
selectWord(cur, WHOLE_WORD);
finishChange(cur, true);
break;
}
case LFUN_BREAK_LINE: {
// Not allowed by LaTeX (labels or empty par)
if (cur.pos() > cur.paragraph().beginOfBody()) {
// this avoids a double undo
// FIXME: should not be needed, ideally
if (!cur.selection())
recordUndo(cur);
cap::replaceSelection(cur);
cur.insert(new InsetNewline);
cur.posRight();
moveCursor(cur, false);
}
break;
}
case LFUN_CHAR_DELETE_FORWARD:
if (!cur.selection()) {
if (cur.pos() == cur.paragraph().size())
// Par boundary, force full-screen update
singleParUpdate = false;
needsUpdate |= erase(cur);
cur.resetAnchor();
// It is possible to make it a lot faster still
// just comment out the line below...
} else {
cutSelection(cur, true, false);
singleParUpdate = false;
}
moveCursor(cur, false);
break;
case LFUN_DELETE_FORWARD_SKIP:
// Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
if (!cur.selection()) {
if (cur.pos() == cur.lastpos()) {
cursorRight(cur);
cursorLeft(cur);
}
erase(cur);
cur.resetAnchor();
} else {
cutSelection(cur, true, false);
}
break;
case LFUN_CHAR_DELETE_BACKWARD:
if (!cur.selection()) {
if (bv->getIntl().getTransManager().backspace()) {
// Par boundary, full-screen update
if (cur.pos() == 0)
singleParUpdate = false;
needsUpdate |= backspace(cur);
cur.resetAnchor();
// It is possible to make it a lot faster still
// just comment out the line below...
}
} else {
cutSelection(cur, true, false);
singleParUpdate = false;
}
break;
case LFUN_DELETE_BACKWARD_SKIP:
// Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
if (!cur.selection()) {
// FIXME: look here
//CursorSlice cur = cursor();
backspace(cur);
//anchor() = cur;
} else {
cutSelection(cur, true, false);
}
break;
case LFUN_BREAK_PARAGRAPH:
cap::replaceSelection(cur);
breakParagraph(cur, cmd.argument() == "inverse");
cur.resetAnchor();
break;
case LFUN_BREAK_PARAGRAPH_SKIP: {
// When at the beginning of a paragraph, remove
// indentation. Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
cap::replaceSelection(cur);
if (cur.pos() == 0)
cur.paragraph().params().labelWidthString(docstring());
else
breakParagraph(cur, false);
cur.resetAnchor();
break;
}
// TODO
// With the creation of LFUN_PARAGRAPH_PARAMS, this is now redundant,
// as its duties can be performed there. Should it be removed??
// FIXME For now, it can just dispatch LFUN_PARAGRAPH_PARAMS...
case LFUN_PARAGRAPH_SPACING: {
Paragraph & par = cur.paragraph();
Spacing::Space cur_spacing = par.params().spacing().getSpace();
string cur_value = "1.0";
if (cur_spacing == Spacing::Other)
cur_value = par.params().spacing().getValueAsString();
istringstream is(to_utf8(cmd.argument()));
string tmp;
is >> tmp;
Spacing::Space new_spacing = cur_spacing;
string new_value = cur_value;
if (tmp.empty()) {
lyxerr << "Missing argument to `paragraph-spacing'"
<< endl;
} else if (tmp == "single") {
new_spacing = Spacing::Single;
} else if (tmp == "onehalf") {
new_spacing = Spacing::Onehalf;
} else if (tmp == "double") {
new_spacing = Spacing::Double;
} else if (tmp == "other") {
new_spacing = Spacing::Other;
string tmpval = "0.0";
is >> tmpval;
lyxerr << "new_value = " << tmpval << endl;
if (tmpval != "0.0")
new_value = tmpval;
} else if (tmp == "default") {
new_spacing = Spacing::Default;
} else {
lyxerr << to_utf8(_("Unknown spacing argument: "))
<< to_utf8(cmd.argument()) << endl;
}
if (cur_spacing != new_spacing || cur_value != new_value)
par.params().spacing(Spacing(new_spacing, new_value));
break;
}
case LFUN_INSET_INSERT: {
recordUndo(cur);
Inset * inset = createInset(bv, cmd);
if (inset) {
// FIXME (Abdel 01/02/2006):
// What follows would be a partial fix for bug 2154:
// http://bugzilla.lyx.org/show_bug.cgi?id=2154
// This automatically put the label inset _after_ a
// numbered section. It should be possible to extend the mechanism
// to any kind of LateX environement.
// The correct way to fix that bug would be at LateX generation.
// I'll let the code here for reference as it could be used for some
// other feature like "automatic labelling".
/*
Paragraph & par = pars_[cur.pit()];
if (inset->lyxCode() == LABEL_CODE
&& par.layout()->labeltype == LABEL_COUNTER) {
// Go to the end of the paragraph
// Warning: Because of Change-Tracking, the last
// position is 'size()' and not 'size()-1':
cur.pos() = par.size();
// Insert a new paragraph
FuncRequest fr(LFUN_BREAK_PARAGRAPH);
dispatch(cur, fr);
}
*/
if (cur.selection())
cutSelection(cur, true, false);
insertInset(cur, inset);
cur.posRight();
}
break;
}
case LFUN_INSET_DISSOLVE:
needsUpdate |= dissolveInset(cur);
break;
case LFUN_INSET_SETTINGS:
cur.inset().showInsetDialog(bv);
break;
case LFUN_SPACE_INSERT:
if (cur.paragraph().layout()->free_spacing)
insertChar(cur, ' ');
else {
doInsertInset(cur, this, cmd, false, false);
cur.posRight();
}
moveCursor(cur, false);
break;
case LFUN_HYPHENATION_POINT_INSERT:
specialChar(cur, InsetSpecialChar::HYPHENATION);
break;
case LFUN_LIGATURE_BREAK_INSERT:
specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
break;
case LFUN_DOTS_INSERT:
specialChar(cur, InsetSpecialChar::LDOTS);
break;
case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
break;
case LFUN_MENU_SEPARATOR_INSERT:
specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
break;
case LFUN_WORD_UPCASE:
changeCase(cur, Text::text_uppercase);
break;
case LFUN_WORD_LOWCASE:
changeCase(cur, Text::text_lowercase);
break;
case LFUN_WORD_CAPITALIZE:
changeCase(cur, Text::text_capitalization);
break;
case LFUN_CHARS_TRANSPOSE:
charsTranspose(cur);
break;
case LFUN_PASTE:
cur.message(_("Paste"));
cap::replaceSelection(cur);
if (cmd.argument().empty() && !theClipboard().isInternal())
pasteClipboard(cur, bv->buffer().errorList("Paste"));
else {
string const arg(to_utf8(cmd.argument()));
pasteFromStack(cur, bv->buffer().errorList("Paste"),
isStrUnsignedInt(arg) ?
convert<unsigned int>(arg) :
0);
}
bv->buffer().errors("Paste");
cur.clearSelection(); // bug 393
finishUndo();
break;
case LFUN_CUT:
cutSelection(cur, true, true);
cur.message(_("Cut"));
break;
case LFUN_COPY:
copySelection(cur);
cur.message(_("Copy"));
break;
case LFUN_SERVER_GET_XY:
cur.message(from_utf8(
convert<string>(tm.cursorX(cur.top(), cur.boundary()))
+ ' ' + convert<string>(tm.cursorY(cur.top(), cur.boundary()))));
break;
case LFUN_SERVER_SET_XY: {
int x = 0;
int y = 0;
istringstream is(to_utf8(cmd.argument()));
is >> x >> y;
if (!is)
lyxerr << "SETXY: Could not parse coordinates in '"
<< to_utf8(cmd.argument()) << std::endl;
else
tm.setCursorFromCoordinates(cur, x, y);
break;
}
case LFUN_SERVER_GET_FONT:
if (cur.current_font.shape() == Font::ITALIC_SHAPE)
cur.message(from_ascii("E"));
else if (cur.current_font.shape() == Font::SMALLCAPS_SHAPE)
cur.message(from_ascii("N"));
else
cur.message(from_ascii("0"));
break;
case LFUN_SERVER_GET_LAYOUT:
cur.message(cur.paragraph().layout()->name());
break;
case LFUN_LAYOUT: {
docstring layout = cmd.argument();
LYXERR(Debug::INFO) << "LFUN_LAYOUT: (arg) " << to_utf8(layout) << endl;
docstring const old_layout = cur.paragraph().layout()->name();
// Derive layout number from given argument (string)
// and current buffer's textclass (number)
TextClass const & tclass = bv->buffer().params().getTextClass();
if (layout.empty())
layout = tclass.defaultLayoutName();
bool hasLayout = tclass.hasLayout(layout);
// If the entry is obsolete, use the new one instead.
if (hasLayout) {
docstring const & obs = tclass[layout]->obsoleted_by();
if (!obs.empty())
layout = obs;
}
if (!hasLayout) {
cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
from_utf8(N_(" not known")));
break;
}
bool change_layout = (old_layout != layout);
if (!change_layout && cur.selection() &&
cur.selBegin().pit() != cur.selEnd().pit())
{
pit_type spit = cur.selBegin().pit();
pit_type epit = cur.selEnd().pit() + 1;
while (spit != epit) {
if (pars_[spit].layout()->name() != old_layout) {
change_layout = true;
break;
}
++spit;
}
}
if (change_layout)
setLayout(cur, layout);
break;
}
case LFUN_CLIPBOARD_PASTE:
cur.clearSelection();
pasteClipboard(cur, bv->buffer().errorList("Paste"),
cmd.argument() == "paragraph");
bv->buffer().errors("Paste");
break;
case LFUN_PRIMARY_SELECTION_PASTE:
pasteString(cur, theSelection().get(),
cmd.argument() == "paragraph");
break;
case LFUN_UNICODE_INSERT: {
if (cmd.argument().empty())
break;
docstring hexstring = cmd.argument();
if (lyx::support::isHex(hexstring)) {
char_type c = lyx::support::hexToInt(hexstring);
if (c >= 32 && c < 0x10ffff) {
lyxerr << "Inserting c: " << c << endl;
docstring s = docstring(1, c);
lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
}
}
break;
}
case LFUN_QUOTE_INSERT: {
Paragraph & par = cur.paragraph();
pos_type pos = cur.pos();
BufferParams const & bufparams = bv->buffer().params();
LayoutPtr const & style = par.layout();
if (!style->pass_thru
&& par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
// this avoids a double undo
// FIXME: should not be needed, ideally
if (!cur.selection())
recordUndo(cur);
cap::replaceSelection(cur);
pos = cur.pos();
char_type c;
if (pos == 0)
c = ' ';
else if (cur.prevInset() && cur.prevInset()->isSpace())
c = ' ';
else
c = par.getChar(pos - 1);
string arg = to_utf8(cmd.argument());
if (arg == "single")
cur.insert(new InsetQuotes(c,
bufparams.quotes_language,
InsetQuotes::SingleQ));
else
cur.insert(new InsetQuotes(c,
bufparams.quotes_language,
InsetQuotes::DoubleQ));
cur.posRight();
}
else
lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
break;
}
case LFUN_DATE_INSERT: {
string const format = cmd.argument().empty()
? lyxrc.date_insert_format : to_utf8(cmd.argument());
string const time = formatted_time(current_time(), format);
lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
break;
}
case LFUN_MOUSE_TRIPLE:
if (cmd.button() == mouse_button::button1) {
tm.cursorHome(cur);
cur.resetAnchor();
tm.cursorEnd(cur);
cur.setSelection();
bv->cursor() = cur;
}
break;
case LFUN_MOUSE_DOUBLE:
if (cmd.button() == mouse_button::button1) {
selectWord(cur, WHOLE_WORD_STRICT);
bv->cursor() = cur;
}
break;
// Single-click on work area
case LFUN_MOUSE_PRESS: {
// Right click on a footnote flag opens float menu
// FIXME: Why should we clear the selection in this case?
if (cmd.button() == mouse_button::button3)
cur.clearSelection();
bool do_selection = cmd.button() == mouse_button::button1
&& cmd.argument() == "region-select";
// Set the cursor
bool update = bv->mouseSetCursor(cur, do_selection);
// Insert primary selection with middle mouse
// if there is a local selection in the current buffer,
// insert this
if (cmd.button() == mouse_button::button2) {
if (cap::selection()) {
// Copy the selection buffer to the clipboard
// stack, because we want it to appear in the
// "Edit->Paste recent" menu.
cap::copySelectionToStack();
cap::pasteSelection(bv->cursor(),
bv->buffer().errorList("Paste"));
bv->buffer().errors("Paste");
bv->buffer().markDirty();
finishUndo();
} else {
lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
}
}
// we have to update after dEPM triggered
if (!update && cmd.button() == mouse_button::button1) {
needsUpdate = false;
cur.noUpdate();
}
break;
}
case LFUN_MOUSE_MOTION: {
// Only use motion with button 1
//if (cmd.button() != mouse_button::button1)
// return false;
// ignore motions deeper nested than the real anchor
Cursor & bvcur = cur.bv().cursor();
if (bvcur.anchor_.hasPart(cur)) {
CursorSlice old = bvcur.top();
int const wh = bv->workHeight();
int const y = std::max(0, std::min(wh - 1, cmd.y));
tm.setCursorFromCoordinates(cur, cmd.x, y);
cur.setTargetX(cmd.x);
if (cmd.y >= wh)
lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
else if (cmd.y < 0)
lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
// This is to allow jumping over large insets
if (cur.top() == old) {
if (cmd.y >= wh)
lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
else if (cmd.y < 0)
lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
}
if (cur.top() == old)
cur.noUpdate();
else {
// don't set anchor_
bvcur.setCursor(cur);
bvcur.selection() = true;
//lyxerr << "MOTION: " << bv->cursor() << endl;
}
} else
cur.undispatched();
break;
}
case LFUN_MOUSE_RELEASE: {
if (cmd.button() == mouse_button::button2)
break;
if (cmd.button() == mouse_button::button1) {
// if there is new selection, update persistent
// selection, otherwise, single click does not
// clear persistent selection buffer
if (cur.selection()) {
// finish selection
// if double click, cur is moved to the end of word by selectWord
// but bvcur is current mouse position
Cursor & bvcur = cur.bv().cursor();
bvcur.selection() = true;
}
needsUpdate = false;
cur.noUpdate();
}
break;
}
case LFUN_SELF_INSERT: {
if (cmd.argument().empty())
break;
// Automatically delete the currently selected
// text and replace it with what is being
// typed in now. Depends on lyxrc settings
// "auto_region_delete", which defaults to
// true (on).
if (lyxrc.auto_region_delete && cur.selection()) {
cutSelection(cur, false, false);
// When change tracking is set to off, the metrics update
// mechanism correctly detects if a full update is needed or not.
// This detection fails when a selection spans multiple rows and
// change tracking is enabled because the paragraph metrics stays
// the same. In this case, we force the full update:
// (see http://bugzilla.lyx.org/show_bug.cgi?id=3992)
if (cur.buffer().params().trackChanges)
cur.updateFlags(Update::Force);
}
cur.clearSelection();
Font const old_font = cur.real_current_font;
docstring::const_iterator cit = cmd.argument().begin();
docstring::const_iterator end = cmd.argument().end();
for (; cit != end; ++cit)
bv->translateAndInsert(*cit, this, cur);
cur.resetAnchor();
moveCursor(cur, false);
break;
}
case LFUN_URL_INSERT: {
InsetCommandParams p("url");
docstring content;
if (cur.selection()) {
content = cur.selectionAsString(false);
cutSelection(cur, true, false);
}
p["target"] = (cmd.argument().empty()) ?
content : cmd.argument();
string const data = InsetCommandMailer::params2string("url", p);
if (p["target"].empty()) {
bv->showInsetDialog("url", data, 0);
} else {
FuncRequest fr(LFUN_INSET_INSERT, data);
dispatch(cur, fr);
}
break;
}
case LFUN_HTML_INSERT: {
InsetCommandParams p("htmlurl");
docstring content;
if (cur.selection()) {
content = cur.selectionAsString(false);
cutSelection(cur, true, false);
}
p["target"] = (cmd.argument().empty()) ?
content : cmd.argument();
string const data = InsetCommandMailer::params2string("url", p);
if (p["target"].empty()) {
bv->showInsetDialog("url", data, 0);
} else {
FuncRequest fr(LFUN_INSET_INSERT, data);
dispatch(cur, fr);
}
break;
}
case LFUN_LABEL_INSERT: {
InsetCommandParams p("label");
// Try to generate a valid label
p["name"] = (cmd.argument().empty()) ?
cur.getPossibleLabel() :
cmd.argument();
string const data = InsetCommandMailer::params2string("label", p);
if (cmd.argument().empty()) {
bv->showInsetDialog("label", data, 0);
} else {
FuncRequest fr(LFUN_INSET_INSERT, data);
dispatch(cur, fr);
}
break;
}
case LFUN_INFO_INSERT: {
if (!cur.selection())
break;
Inset * inset = createInset(&cur.bv(), cmd);
if (!inset)
break;
// use selected text as info to avoid a separate UI
docstring ds = cur.selectionAsString(false);
cutSelection(cur, true, false);
insertInset(cur, inset);
static_cast<InsetInfo *>(inset)->setInfo(to_utf8(ds));
cur.posRight();
break;
}
#if 0
case LFUN_LIST_INSERT:
case LFUN_THEOREM_INSERT:
#endif
case LFUN_CAPTION_INSERT:
// Open the inset, and move the current selection
// inside it.
doInsertInset(cur, this, cmd, true, true);
cur.posRight();
updateLabels(bv->buffer());
break;
case LFUN_NOTE_INSERT:
case LFUN_FLEX_INSERT:
case LFUN_BOX_INSERT:
case LFUN_BRANCH_INSERT:
case LFUN_BIBITEM_INSERT:
case LFUN_ERT_INSERT:
case LFUN_LISTING_INSERT:
case LFUN_FOOTNOTE_INSERT:
case LFUN_MARGINALNOTE_INSERT:
case LFUN_OPTIONAL_INSERT:
case LFUN_ENVIRONMENT_INSERT:
// Open the inset, and move the current selection
// inside it.
doInsertInset(cur, this, cmd, true, true);
cur.posRight();
break;
case LFUN_TABULAR_INSERT:
// if there were no arguments, just open the dialog
if (doInsertInset(cur, this, cmd, false, true))
cur.posRight();
else
bv->showDialog("tabularcreate");
break;
case LFUN_FLOAT_INSERT:
case LFUN_FLOAT_WIDE_INSERT:
case LFUN_WRAP_INSERT: {
bool content = cur.selection(); // will some text be moved into the inset?
doInsertInset(cur, this, cmd, true, true);
cur.posRight();
ParagraphList & pars = cur.text()->paragraphs();
TextClass const & tclass = bv->buffer().params().getTextClass();
// add a separate paragraph for the caption inset
pars.push_back(Paragraph());
pars.back().setInsetOwner(pars[0].inInset());
pars.back().layout(tclass.defaultLayout());
int cap_pit = pars.size() - 1;
// if an empty inset was created, we create an additional empty
// paragraph at the bottom so that the user can choose where to put
// the graphics (or table).
if (!content) {
pars.push_back(Paragraph());
pars.back().setInsetOwner(pars[0].inInset());
pars.back().layout(tclass.defaultLayout());
}
// reposition the cursor to the caption
cur.pit() = cap_pit;
cur.pos() = 0;
// FIXME: This Text/Cursor dispatch handling is a mess!
// We cannot use Cursor::dispatch here it needs access to up to
// date metrics.
FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
cur.text()->dispatch(cur, cmd_caption);
cur.updateFlags(Update::Force);
// FIXME: When leaving the Float (or Wrap) inset we should
// delete any empty paragraph left above or below the
// caption.
break;
}
case LFUN_INDEX_INSERT:
doInsertInset(cur, this, cmd, true, true);
cur.posRight();
break;
case LFUN_NOMENCL_INSERT: {
Inset * inset = createInset(&cur.bv(), cmd);
if (!inset)
break;
recordUndo(cur);
cur.clearSelection();
insertInset(cur, inset);
// Show the dialog for the nomenclature entry, since the
// description entry still needs to be filled in.
if (cmd.action == LFUN_NOMENCL_INSERT)
inset->edit(cur, true);
cur.posRight();
break;
}
case LFUN_INDEX_PRINT:
case LFUN_NOMENCL_PRINT:
case LFUN_TOC_INSERT:
case LFUN_HFILL_INSERT:
case LFUN_LINE_INSERT:
case LFUN_PAGEBREAK_INSERT:
case LFUN_CLEARPAGE_INSERT:
case LFUN_CLEARDOUBLEPAGE_INSERT:
// do nothing fancy
doInsertInset(cur, this, cmd, false, false);
cur.posRight();
break;
case LFUN_DEPTH_DECREMENT:
changeDepth(cur, DEC_DEPTH);
break;
case LFUN_DEPTH_INCREMENT:
changeDepth(cur, INC_DEPTH);
break;
case LFUN_MATH_DISPLAY:
mathDispatch(cur, cmd, true);
break;
case LFUN_MATH_IMPORT_SELECTION:
case LFUN_MATH_MODE:
if (cmd.argument() == "on")
// don't pass "on" as argument
mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
else
mathDispatch(cur, cmd, false);
break;
case LFUN_MATH_MACRO:
if (cmd.argument().empty())
cur.errorMessage(from_utf8(N_("Missing argument")));
else {
string s = to_utf8(cmd.argument());
string const s1 = token(s, ' ', 1);
int const nargs = s1.empty() ? 0 : convert<int>(s1);
string const s2 = token(s, ' ', 2);
string const type = s2.empty() ? "newcommand" : s2;
cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
//cur.nextInset()->edit(cur, true);
}
break;
// passthrough hat and underscore outside mathed:
case LFUN_MATH_SUBSCRIPT:
mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
break;
case LFUN_MATH_SUPERSCRIPT:
mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
break;
case LFUN_MATH_INSERT:
case LFUN_MATH_MATRIX:
case LFUN_MATH_DELIM:
case LFUN_MATH_BIGDELIM: {
if (cur.selection())
cur.clearSelection();
// FIXME: instead of the above, this one
// should be used (but it asserts with Bidi enabled)
// cf. http://bugzilla.lyx.org/show_bug.cgi?id=4055
// cap::replaceSelection(cur);
cur.insert(new InsetMathHull(hullSimple));
checkAndActivateInset(cur, true);
BOOST_ASSERT(cur.inMathed());
cur.dispatch(cmd);
break;
}
case LFUN_FONT_EMPH: {
Font font(Font::ALL_IGNORE);
font.setEmph(Font::TOGGLE);
toggleAndShow(cur, this, font);
break;
}
case LFUN_FONT_BOLD: {
Font font(Font::ALL_IGNORE);
font.setSeries(Font::BOLD_SERIES);
toggleAndShow(cur, this, font);
break;
}
case LFUN_FONT_NOUN: {
Font font(Font::ALL_IGNORE);
font.setNoun(Font::TOGGLE);
toggleAndShow(cur, this, font);
break;
}
case LFUN_FONT_TYPEWRITER: {
Font font(Font::ALL_IGNORE);
font.setFamily(Font::TYPEWRITER_FAMILY); // no good
toggleAndShow(cur, this, font);
break;
}
case LFUN_FONT_SANS: {
Font font(Font::ALL_IGNORE);
font.setFamily(Font::SANS_FAMILY);
toggleAndShow(cur, this, font);
break;
}
case LFUN_FONT_ROMAN: {
Font font(Font::ALL_IGNORE);
font.setFamily(Font::ROMAN_FAMILY);
toggleAndShow(cur, this, font);
break;
}
case LFUN_FONT_DEFAULT: {
Font font(Font::ALL_INHERIT, ignore_language);
toggleAndShow(cur, this, font);
break;
}
case LFUN_FONT_UNDERLINE: {
Font font(Font::ALL_IGNORE);
font.setUnderbar(Font::TOGGLE);
toggleAndShow(cur, this, font);
break;
}
case LFUN_FONT_SIZE: {
Font font(Font::ALL_IGNORE);
font.setLyXSize(to_utf8(cmd.argument()));
toggleAndShow(cur, this, font);
break;
}
case LFUN_LANGUAGE: {
Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
if (!lang)
break;
Font font(Font::ALL_IGNORE);
font.setLanguage(lang);
toggleAndShow(cur, this, font);
break;
}
case LFUN_FONT_FREE_APPLY:
toggleAndShow(cur, this, freefont, toggleall);
cur.message(_("Character set"));
break;
// Set the freefont using the contents of \param data dispatched from
// the frontends and apply it at the current cursor location.
case LFUN_FONT_FREE_UPDATE: {
Font font;
bool toggle;
if (font.fromString(to_utf8(cmd.argument()), toggle)) {
freefont = font;
toggleall = toggle;
toggleAndShow(cur, this, freefont, toggleall);
cur.message(_("Character set"));
}
break;
}
case LFUN_FINISHED_LEFT:
LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
if (reverseDirectionNeeded(cur)) {
++cur.pos();
cur.setCurrentFont();
}
break;
case LFUN_FINISHED_RIGHT:
LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
if (!reverseDirectionNeeded(cur)) {
++cur.pos();
cur.setCurrentFont();
}
break;
case LFUN_LAYOUT_PARAGRAPH: {
string data;
params2string(cur.paragraph(), data);
data = "show\n" + data;
bv->showDialogWithData("paragraph", data);
break;
}
case LFUN_PARAGRAPH_UPDATE: {
string data;
params2string(cur.paragraph(), data);
// Will the paragraph accept changes from the dialog?
bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
data = "update " + convert<string>(accept) + '\n' + data;
bv->updateDialog("paragraph", data);
break;
}
case LFUN_ACCENT_UMLAUT:
case LFUN_ACCENT_CIRCUMFLEX:
case LFUN_ACCENT_GRAVE:
case LFUN_ACCENT_ACUTE:
case LFUN_ACCENT_TILDE:
case LFUN_ACCENT_CEDILLA:
case LFUN_ACCENT_MACRON:
case LFUN_ACCENT_DOT:
case LFUN_ACCENT_UNDERDOT:
case LFUN_ACCENT_UNDERBAR:
case LFUN_ACCENT_CARON:
case LFUN_ACCENT_SPECIAL_CARON:
case LFUN_ACCENT_BREVE:
case LFUN_ACCENT_TIE:
case LFUN_ACCENT_HUNGARIAN_UMLAUT:
case LFUN_ACCENT_CIRCLE:
case LFUN_ACCENT_OGONEK:
theLyXFunc().handleKeyFunc(cmd.action);
if (!cmd.argument().empty())
// FIXME: Are all these characters encoded in one byte in utf8?
bv->translateAndInsert(cmd.argument()[0], this, cur);
break;
case LFUN_FLOAT_LIST: {
TextClass const & tclass = bv->buffer().params().getTextClass();
if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
recordUndo(cur);
if (cur.selection())
cutSelection(cur, true, false);
breakParagraph(cur);
if (cur.lastpos() != 0) {
cursorLeft(cur);
breakParagraph(cur);
}
setLayout(cur, tclass.defaultLayoutName());
ParagraphParameters p;
setParagraphs(cur, p);
insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
cur.posRight();
} else {
lyxerr << "Non-existent float type: "
<< to_utf8(cmd.argument()) << endl;
}
break;
}
case LFUN_CHANGE_ACCEPT: {
acceptOrRejectChanges(cur, ACCEPT);
break;
}
case LFUN_CHANGE_REJECT: {
acceptOrRejectChanges(cur, REJECT);
break;
}
case LFUN_THESAURUS_ENTRY: {
docstring arg = cmd.argument();
if (arg.empty()) {
arg = cur.selectionAsString(false);
// FIXME
if (arg.size() > 100 || arg.empty()) {
// Get word or selection
selectWordWhenUnderCursor(cur, WHOLE_WORD);
arg = cur.selectionAsString(false);
}
}
bv->showDialogWithData("thesaurus", to_utf8(arg));
break;
}
case LFUN_PARAGRAPH_PARAMS_APPLY: {
// Given data, an encoding of the ParagraphParameters
// generated in the Paragraph dialog, this function sets
// the current paragraph, or currently selected paragraphs,
// appropriately.
// NOTE: This function overrides all existing settings.
setParagraphs(cur, cmd.argument());
cur.message(_("Paragraph layout set"));
break;
}
case LFUN_PARAGRAPH_PARAMS: {
// Given data, an encoding of the ParagraphParameters as we'd
// find them in a LyX file, this function modifies the current paragraph,
// or currently selected paragraphs.
// NOTE: This function only modifies, and does not override, existing
// settings.
setParagraphs(cur, cmd.argument(), true);
cur.message(_("Paragraph layout set"));
break;
}
case LFUN_ESCAPE:
if (cur.selection()) {
cur.selection() = false;
} else {
cur.undispatched();
cmd = FuncRequest(LFUN_FINISHED_RIGHT);
}
break;
default:
LYXERR(Debug::ACTION)
<< BOOST_CURRENT_FUNCTION
<< ": Command " << cmd
<< " not DISPATCHED by Text" << endl;
cur.undispatched();
break;
}
needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
// FIXME: The cursor flag is reset two lines below
// so we need to check here if some of the LFUN did touch that.
// for now only Text::erase() and Text::backspace() do that.
// The plan is to verify all the LFUNs and then to remove this
// singleParUpdate boolean altogether.
if (cur.result().update() & Update::Force) {
singleParUpdate = false;
needsUpdate = true;
}
// FIXME: the following code should go in favor of fine grained
// update flag treatment.
if (singleParUpdate) {
// Inserting characters does not change par height
ParagraphMetrics const & pms
= cur.bv().parMetrics(cur.bottom().text(), cur.bottom().pit());
if (pms.dim().height()
== olddim.height()) {
// if so, update _only_ this paragraph
cur.updateFlags(Update::SinglePar |
Update::FitCursor |
Update::MultiParSel);
return;
} else
needsUpdate = true;
}
if (!needsUpdate
&& &oldTopSlice.inset() == &cur.inset()
&& oldTopSlice.idx() == cur.idx()
&& !sel // sel is a backup of cur.selection() at the biginning of the function.
&& !cur.selection())
// FIXME: it would be better if we could just do this
//
//if (cur.result().update() != Update::FitCursor)
// cur.noUpdate();
//
// But some LFUNs do not set Update::FitCursor when needed, so we
// do it for all. This is not very harmfull as FitCursor will provoke
// a full redraw only if needed but still, a proper review of all LFUN
// should be done and this needsUpdate boolean can then be removed.
cur.updateFlags(Update::FitCursor);
else
cur.updateFlags(Update::Force | Update::FitCursor);
}
bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
FuncStatus & flag) const
{
BOOST_ASSERT(cur.text() == this);
Font const & font = cur.real_current_font;
bool enable = true;
InsetCode code = NO_CODE;
switch (cmd.action) {
case LFUN_DEPTH_DECREMENT:
enable = changeDepthAllowed(cur, DEC_DEPTH);
break;
case LFUN_DEPTH_INCREMENT:
enable = changeDepthAllowed(cur, INC_DEPTH);
break;
case LFUN_APPENDIX:
flag.setOnOff(cur.paragraph().params().startOfAppendix());
return true;
case LFUN_BIBITEM_INSERT:
enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO
&& cur.pos() == 0);
break;
case LFUN_DIALOG_SHOW_NEW_INSET:
if (cmd.argument() == "bibitem")
code = BIBITEM_CODE;
else if (cmd.argument() == "bibtex")
code = BIBTEX_CODE;
else if (cmd.argument() == "box")
code = BOX_CODE;
else if (cmd.argument() == "branch")
code = BRANCH_CODE;
else if (cmd.argument() == "citation")
code = CITE_CODE;
else if (cmd.argument() == "ert")
code = ERT_CODE;
else if (cmd.argument() == "external")
code = EXTERNAL_CODE;
else if (cmd.argument() == "float")
code = FLOAT_CODE;
else if (cmd.argument() == "graphics")
code = GRAPHICS_CODE;
else if (cmd.argument() == "include")
code = INCLUDE_CODE;
else if (cmd.argument() == "index")
code = INDEX_CODE;
else if (cmd.argument() == "nomenclature")
code = NOMENCL_CODE;
else if (cmd.argument() == "label")
code = LABEL_CODE;
else if (cmd.argument() == "note")
code = NOTE_CODE;
else if (cmd.argument() == "ref")
code = REF_CODE;
else if (cmd.argument() == "toc")
code = TOC_CODE;
else if (cmd.argument() == "url")
code = URL_CODE;
else if (cmd.argument() == "vspace")
code = VSPACE_CODE;
else if (cmd.argument() == "wrap")
code = WRAP_CODE;
else if (cmd.argument() == "listings")
code = LISTINGS_CODE;
break;
case LFUN_ERT_INSERT:
code = ERT_CODE;
break;
case LFUN_LISTING_INSERT:
code = LISTINGS_CODE;
break;
case LFUN_FOOTNOTE_INSERT:
code = FOOT_CODE;
break;
case LFUN_TABULAR_INSERT:
code = TABULAR_CODE;
break;
case LFUN_MARGINALNOTE_INSERT:
code = MARGIN_CODE;
break;
case LFUN_FLOAT_INSERT:
case LFUN_FLOAT_WIDE_INSERT:
code = FLOAT_CODE;
break;
case LFUN_WRAP_INSERT:
code = WRAP_CODE;
break;
case LFUN_FLOAT_LIST:
code = FLOAT_LIST_CODE;
break;
#if 0
case LFUN_LIST_INSERT:
code = LIST_CODE;
break;
case LFUN_THEOREM_INSERT:
code = THEOREM_CODE;
break;
#endif
case LFUN_CAPTION_INSERT:
code = CAPTION_CODE;
break;
case LFUN_NOTE_INSERT:
code = NOTE_CODE;
break;
case LFUN_FLEX_INSERT: {
code = FLEX_CODE;
string s = cmd.getArg(0);
InsetLayout il = cur.buffer().params().getTextClass().insetlayout(from_utf8(s));
if (il.lyxtype != "charstyle" &&
il.lyxtype != "custom" &&
il.lyxtype != "element")
enable = false;
break;
}
case LFUN_BOX_INSERT:
code = BOX_CODE;
break;
case LFUN_BRANCH_INSERT:
code = BRANCH_CODE;
if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
enable = false;
break;
case LFUN_LABEL_INSERT:
code = LABEL_CODE;
break;
case LFUN_INFO_INSERT:
code = INFO_CODE;
break;
case LFUN_OPTIONAL_INSERT:
code = OPTARG_CODE;
enable = numberOfOptArgs(cur.paragraph())
< cur.paragraph().layout()->optionalargs;
break;
case LFUN_ENVIRONMENT_INSERT:
code = BOX_CODE;
break;
case LFUN_INDEX_INSERT:
code = INDEX_CODE;
break;
case LFUN_INDEX_PRINT:
code = INDEX_PRINT_CODE;
break;
case LFUN_NOMENCL_INSERT:
code = NOMENCL_CODE;
break;
case LFUN_NOMENCL_PRINT:
code = NOMENCL_PRINT_CODE;
break;
case LFUN_TOC_INSERT:
code = TOC_CODE;
break;
case LFUN_HTML_INSERT:
case LFUN_URL_INSERT:
code = URL_CODE;
break;
case LFUN_QUOTE_INSERT:
// always allow this, since we will inset a raw quote
// if an inset is not allowed.
break;
case LFUN_HYPHENATION_POINT_INSERT:
case LFUN_LIGATURE_BREAK_INSERT:
case LFUN_HFILL_INSERT:
case LFUN_MENU_SEPARATOR_INSERT:
case LFUN_DOTS_INSERT:
case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
code = SPECIALCHAR_CODE;
break;
case LFUN_SPACE_INSERT:
// slight hack: we know this is allowed in math mode
if (cur.inTexted())
code = SPACE_CODE;
break;
case LFUN_INSET_MODIFY:
// We need to disable this, because we may get called for a
// tabular cell via
// InsetTabular::getStatus() -> InsetText::getStatus()
// and we don't handle LFUN_INSET_MODIFY.
enable = false;
break;
case LFUN_FONT_EMPH:
flag.setOnOff(font.emph() == Font::ON);
return true;
case LFUN_FONT_NOUN:
flag.setOnOff(font.noun() == Font::ON);
return true;
case LFUN_FONT_BOLD:
flag.setOnOff(font.series() == Font::BOLD_SERIES);
return true;
case LFUN_FONT_SANS:
flag.setOnOff(font.family() == Font::SANS_FAMILY);
return true;
case LFUN_FONT_ROMAN:
flag.setOnOff(font.family() == Font::ROMAN_FAMILY);
return true;
case LFUN_FONT_TYPEWRITER:
flag.setOnOff(font.family() == Font::TYPEWRITER_FAMILY);
return true;
case LFUN_CUT:
case LFUN_COPY:
enable = cur.selection();
break;
case LFUN_PASTE:
if (cmd.argument().empty()) {
if (theClipboard().isInternal())
enable = cap::numberOfSelections() > 0;
else
enable = !theClipboard().empty();
} else {
string const arg = to_utf8(cmd.argument());
if (isStrUnsignedInt(arg)) {
unsigned int n = convert<unsigned int>(arg);
enable = cap::numberOfSelections() > n;
} else
// unknown argument
enable = false;
}
break;
case LFUN_CLIPBOARD_PASTE:
enable = !theClipboard().empty();
break;
case LFUN_PRIMARY_SELECTION_PASTE:
enable = cur.selection() || !theSelection().empty();
break;
case LFUN_PARAGRAPH_MOVE_UP:
enable = cur.pit() > 0 && !cur.selection();
break;
case LFUN_PARAGRAPH_MOVE_DOWN:
enable = cur.pit() < cur.lastpit() && !cur.selection();
break;
case LFUN_INSET_DISSOLVE:
enable = !isMainText(cur.bv().buffer()) && cur.inset().nargs() == 1;
break;
case LFUN_CHANGE_ACCEPT:
case LFUN_CHANGE_REJECT:
// TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
// In principle, these LFUNs should only be enabled if there
// is a change at the current position/in the current selection.
// However, without proper optimizations, this will inevitably
// result in unacceptable performance - just imagine a user who
// wants to select the complete content of a long document.
enable = true;
break;
case LFUN_WORD_DELETE_FORWARD:
case LFUN_WORD_DELETE_BACKWARD:
case LFUN_LINE_DELETE:
case LFUN_WORD_FORWARD:
case LFUN_WORD_BACKWARD:
case LFUN_CHAR_FORWARD:
case LFUN_CHAR_FORWARD_SELECT:
case LFUN_CHAR_BACKWARD:
case LFUN_CHAR_BACKWARD_SELECT:
case LFUN_UP:
case LFUN_UP_SELECT:
case LFUN_DOWN:
case LFUN_DOWN_SELECT:
case LFUN_PARAGRAPH_UP_SELECT:
case LFUN_PARAGRAPH_DOWN_SELECT:
case LFUN_SCREEN_UP_SELECT:
case LFUN_SCREEN_DOWN_SELECT:
case LFUN_LINE_BEGIN_SELECT:
case LFUN_LINE_END_SELECT:
case LFUN_WORD_FORWARD_SELECT:
case LFUN_WORD_BACKWARD_SELECT:
case LFUN_WORD_SELECT:
case LFUN_PARAGRAPH_UP:
case LFUN_PARAGRAPH_DOWN:
case LFUN_LINE_BEGIN:
case LFUN_LINE_END:
case LFUN_BREAK_LINE:
case LFUN_CHAR_DELETE_FORWARD:
case LFUN_DELETE_FORWARD_SKIP:
case LFUN_CHAR_DELETE_BACKWARD:
case LFUN_DELETE_BACKWARD_SKIP:
case LFUN_BREAK_PARAGRAPH:
case LFUN_BREAK_PARAGRAPH_SKIP:
case LFUN_PARAGRAPH_SPACING:
case LFUN_INSET_INSERT:
case LFUN_WORD_UPCASE:
case LFUN_WORD_LOWCASE:
case LFUN_WORD_CAPITALIZE:
case LFUN_CHARS_TRANSPOSE:
case LFUN_SERVER_GET_XY:
case LFUN_SERVER_SET_XY:
case LFUN_SERVER_GET_FONT:
case LFUN_SERVER_GET_LAYOUT:
case LFUN_LAYOUT:
case LFUN_DATE_INSERT:
case LFUN_SELF_INSERT:
case LFUN_LINE_INSERT:
case LFUN_PAGEBREAK_INSERT:
case LFUN_CLEARPAGE_INSERT:
case LFUN_CLEARDOUBLEPAGE_INSERT:
case LFUN_MATH_DISPLAY:
case LFUN_MATH_IMPORT_SELECTION:
case LFUN_MATH_MODE:
case LFUN_MATH_MACRO:
case LFUN_MATH_MATRIX:
case LFUN_MATH_DELIM:
case LFUN_MATH_BIGDELIM:
case LFUN_MATH_INSERT:
case LFUN_MATH_SUBSCRIPT:
case LFUN_MATH_SUPERSCRIPT:
case LFUN_FONT_DEFAULT:
case LFUN_FONT_UNDERLINE:
case LFUN_FONT_SIZE:
case LFUN_LANGUAGE:
case LFUN_FONT_FREE_APPLY:
case LFUN_FONT_FREE_UPDATE:
case LFUN_LAYOUT_PARAGRAPH:
case LFUN_PARAGRAPH_UPDATE:
case LFUN_ACCENT_UMLAUT:
case LFUN_ACCENT_CIRCUMFLEX:
case LFUN_ACCENT_GRAVE:
case LFUN_ACCENT_ACUTE:
case LFUN_ACCENT_TILDE:
case LFUN_ACCENT_CEDILLA:
case LFUN_ACCENT_MACRON:
case LFUN_ACCENT_DOT:
case LFUN_ACCENT_UNDERDOT:
case LFUN_ACCENT_UNDERBAR:
case LFUN_ACCENT_CARON:
case LFUN_ACCENT_SPECIAL_CARON:
case LFUN_ACCENT_BREVE:
case LFUN_ACCENT_TIE:
case LFUN_ACCENT_HUNGARIAN_UMLAUT:
case LFUN_ACCENT_CIRCLE:
case LFUN_ACCENT_OGONEK:
case LFUN_THESAURUS_ENTRY:
case LFUN_PARAGRAPH_PARAMS_APPLY:
case LFUN_PARAGRAPH_PARAMS:
case LFUN_ESCAPE:
case LFUN_BUFFER_END:
case LFUN_BUFFER_BEGIN:
case LFUN_BUFFER_BEGIN_SELECT:
case LFUN_BUFFER_END_SELECT:
case LFUN_UNICODE_INSERT:
// these are handled in our dispatch()
enable = true;
break;
default:
return false;
}
if (code != NO_CODE
&& (cur.empty() || !cur.inset().insetAllowed(code)))
enable = false;
flag.enabled(enable);
return true;
}
void Text::pasteString(Cursor & cur, docstring const & clip,
bool asParagraphs)
{
cur.clearSelection();
if (!clip.empty()) {
recordUndo(cur);
if (asParagraphs)
insertStringAsParagraphs(cur, clip);
else
insertStringAsLines(cur, clip);
}
}
} // namespace lyx
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