lyx_mirror/src/text3.C

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/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2002 The LyX Team.
*
* ====================================================== */
#include <config.h>
#include "lyxtext.h"
#include "lyxrow.h"
#include "paragraph.h"
#include "BufferView.h"
#include "funcrequest.h"
#include "lyxrc.h"
#include "debug.h"
#include "bufferparams.h"
#include "buffer.h"
#include "ParagraphParameters.h"
#include "gettext.h"
#include "intl.h"
#include "support/lstrings.h"
#include "frontends/LyXView.h"
#include "frontends/WorkArea.h"
#include "insets/insetspecialchar.h"
#include "insets/insettext.h"
using std::endl;
extern string current_layout;
void LyXText::update(BufferView * bv, bool changed)
{
BufferView::UpdateCodes c = BufferView::SELECT | BufferView::FITCUR;
if (changed)
bv->update(this, c | BufferView::CHANGE);
else
bv->update(this, c);
}
void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
{
bv->hideCursor();
lt->update(bv);
InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
if (!bv->insertInset(new_inset))
delete new_inset;
else
bv->updateInset(new_inset, true);
}
Inset::RESULT LyXText::dispatch(FuncRequest const & cmd)
{
BufferView * bv = cmd.view();
switch (cmd.action) {
case LFUN_APPENDIX: {
Paragraph * par = cursor.par();
bool start = !par->params().startOfAppendix();
// ensure that we have only one start_of_appendix in this document
Paragraph * tmp = ownerParagraph();
for (; tmp; tmp = tmp->next())
tmp->params().startOfAppendix(false);
par->params().startOfAppendix(start);
// we can set the refreshing parameters now
status(cmd.view(), LyXText::NEED_MORE_REFRESH);
refresh_y = 0;
refresh_row = 0; // not needed for full update
updateCounters(cmd.view());
setCursor(cmd.view(), cursor.par(), cursor.pos());
update(bv);
break;
}
case LFUN_DELETE_WORD_FORWARD:
bv->beforeChange(this);
update(bv, false);
deleteWordForward(bv);
update(bv);
bv->finishChange();
break;
case LFUN_DELETE_WORD_BACKWARD:
bv->beforeChange(this);
update(bv, false);
deleteWordBackward(bv);
update(bv, true);
bv->finishChange();
break;
case LFUN_DELETE_LINE_FORWARD:
bv->beforeChange(this);
update(bv, false);
deleteLineForward(bv);
update(bv);
bv->finishChange();
break;
case LFUN_SHIFT_TAB:
case LFUN_TAB:
if (!selection.mark())
bv->beforeChange(this);
update(bv, false);
cursorTab(bv);
bv->finishChange();
break;
case LFUN_WORDRIGHT:
if (!selection.mark())
bv->beforeChange(this);
update(bv, false);
if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
cursorLeftOneWord(bv);
else
cursorRightOneWord(bv);
bv->finishChange();
break;
case LFUN_WORDLEFT:
if (!selection.mark())
bv->beforeChange(this);
update(bv, false);
if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
cursorRightOneWord(bv);
else
cursorLeftOneWord(bv);
bv->finishChange();
break;
case LFUN_BEGINNINGBUF:
if (!selection.mark())
bv->beforeChange(this);
update(bv, false);
cursorTop(bv);
bv->finishChange();
break;
case LFUN_ENDBUF:
if (selection.mark())
bv->beforeChange(this);
update(bv, false);
cursorBottom(bv);
bv->finishChange();
break;
case LFUN_RIGHTSEL:
update(bv, false);
if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
cursorLeft(bv);
else
cursorRight(bv);
bv->finishChange(true);
break;
case LFUN_LEFTSEL:
update(bv, false);
if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
cursorRight(bv);
else
cursorLeft(bv);
bv->finishChange(true);
break;
case LFUN_UPSEL:
update(bv, false);
cursorUp(bv, true);
bv->finishChange(true);
break;
case LFUN_DOWNSEL:
update(bv, false);
cursorDown(bv, true);
bv->finishChange(true);
break;
case LFUN_UP_PARAGRAPHSEL:
update(bv, false);
cursorUpParagraph(bv);
bv->finishChange(true);
break;
case LFUN_DOWN_PARAGRAPHSEL:
update(bv, false);
cursorDownParagraph(bv);
bv->finishChange(true);
break;
case LFUN_PRIORSEL:
update(bv, false);
bv->cursorPrevious(this);
bv->finishChange(true);
break;
case LFUN_NEXTSEL:
update(bv, false);
bv->cursorNext(this);
bv->finishChange();
break;
case LFUN_HOMESEL:
update(bv, false);
cursorHome(bv);
bv->finishChange(true);
break;
case LFUN_ENDSEL:
update(bv, false);
cursorEnd(bv);
bv->finishChange(true);
break;
case LFUN_WORDRIGHTSEL:
update(bv, false);
if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
cursorLeftOneWord(bv);
else
cursorRightOneWord(bv);
bv->finishChange(true);
break;
case LFUN_WORDLEFTSEL:
update(bv, false);
if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
cursorRightOneWord(bv);
else
cursorLeftOneWord(bv);
bv->finishChange(true);
break;
case LFUN_RIGHT: {
bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
if (!selection.mark())
bv->beforeChange(this);
update(bv);
if (is_rtl)
cursorLeft(bv, false);
if (cursor.pos() < cursor.par()->size()
&& cursor.par()->isInset(cursor.pos())
&& isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
Inset * tmpinset = cursor.par()->getInset(cursor.pos());
cmd.message(tmpinset->editMessage());
tmpinset->edit(bv, !is_rtl);
break;
}
if (!is_rtl)
cursorRight(bv, false);
bv->finishChange(false);
break;
}
case LFUN_LEFT: {
// This is soooo ugly. Isn`t it possible to make
// it simpler? (Lgb)
bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
if (!selection.mark())
bv->beforeChange(this);
update(bv);
LyXCursor const cur = cursor;
if (!is_rtl)
cursorLeft(bv, false);
if ((is_rtl || cur != cursor) && // only if really moved!
cursor.pos() < cursor.par()->size() &&
cursor.par()->isInset(cursor.pos()) &&
isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
Inset * tmpinset = cursor.par()->getInset(cursor.pos());
cmd.message(tmpinset->editMessage());
tmpinset->edit(bv, is_rtl);
break;
}
if (is_rtl)
cursorRight(bv, false);
bv->finishChange(false);
break;
}
case LFUN_UP:
if (!selection.mark())
bv->beforeChange(this);
bv->update(this, BufferView::UPDATE);
cursorUp(bv);
bv->finishChange(false);
break;
case LFUN_DOWN:
if (!selection.mark())
bv->beforeChange(this);
bv->update(this, BufferView::UPDATE);
cursorDown(bv);
bv->finishChange();
break;
case LFUN_UP_PARAGRAPH:
if (!selection.mark())
bv->beforeChange(this);
bv->update(this, BufferView::UPDATE);
cursorUpParagraph(bv);
bv->finishChange();
break;
case LFUN_DOWN_PARAGRAPH:
if (!selection.mark())
bv->beforeChange(this);
bv->update(this, BufferView::UPDATE);
cursorDownParagraph(bv);
bv->finishChange(false);
break;
case LFUN_PRIOR:
if (!selection.mark())
bv->beforeChange(this);
bv->update(this, BufferView::UPDATE);
bv->cursorPrevious(this);
bv->finishChange(false);
// was:
// finishUndo();
// moveCursorUpdate(false, false);
// owner_->view_state_changed();
break;
case LFUN_NEXT:
if (!selection.mark())
bv->beforeChange(this);
bv->update(this, BufferView::UPDATE);
bv->cursorNext(this);
bv->finishChange(false);
break;
case LFUN_HOME:
if (!selection.mark())
bv->beforeChange(this);
update(bv);
cursorHome(bv);
bv->finishChange(false);
break;
case LFUN_END:
if (!selection.mark())
bv->beforeChange(this);
update(bv);
cursorEnd(bv);
bv->finishChange(false);
break;
case LFUN_BREAKLINE:
bv->beforeChange(this);
insertChar(bv, Paragraph::META_NEWLINE);
update(bv, true);
setCursor(bv, cursor.par(), cursor.pos());
bv->moveCursorUpdate(false);
break;
case LFUN_DELETE:
if (!selection.set()) {
Delete(bv);
selection.cursor = cursor;
update(bv);
// It is possible to make it a lot faster still
// just comment out the line below...
bv->showCursor();
} else {
bv->cut(false);
}
bv->moveCursorUpdate(false);
bv->owner()->view_state_changed();
bv->switchKeyMap();
break;
case LFUN_DELETE_SKIP:
// Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
if (!selection.set()) {
LyXCursor cur = cursor;
if (cur.pos() == cur.par()->size()) {
cursorRight(bv);
cur = cursor;
if (cur.pos() == 0
&& !(cur.par()->params().spaceTop()
== VSpace (VSpace::NONE))) {
setParagraph(bv,
cur.par()->params().lineTop(),
cur.par()->params().lineBottom(),
cur.par()->params().pagebreakTop(),
cur.par()->params().pagebreakBottom(),
VSpace(VSpace::NONE),
cur.par()->params().spaceBottom(),
cur.par()->params().spacing(),
cur.par()->params().align(),
cur.par()->params().labelWidthString(), 0);
cursorLeft(bv);
update(bv);
} else {
cursorLeft(bv);
Delete(bv);
selection.cursor = cursor;
update(bv);
}
} else {
Delete(bv);
selection.cursor = cursor;
update(bv);
}
} else
bv->cut(false);
break;
case LFUN_BACKSPACE:
if (!selection.set()) {
if (bv->owner()->getIntl().getTransManager().backspace()) {
backspace(bv);
selection.cursor = cursor;
update(bv);
// It is possible to make it a lot faster still
// just comment out the line below...
bv->showCursor();
}
} else
bv->cut(false);
bv->owner()->view_state_changed();
bv->switchKeyMap();
break;
case LFUN_BACKSPACE_SKIP:
// Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
if (!selection.set()) {
LyXCursor cur = cursor;
if (cur.pos() == 0
&& !(cur.par()->params().spaceTop()
== VSpace (VSpace::NONE))) {
setParagraph(bv,
cur.par()->params().lineTop(),
cur.par()->params().lineBottom(),
cur.par()->params().pagebreakTop(),
cur.par()->params().pagebreakBottom(),
VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
cur.par()->params().spacing(),
cur.par()->params().align(),
cur.par()->params().labelWidthString(), 0);
update(bv);
} else {
backspace(bv);
selection.cursor = cur;
update(bv);
}
} else
bv->cut(false);
break;
case LFUN_BREAKPARAGRAPH:
bv->beforeChange(this);
breakParagraph(bv, 0);
update(bv);
selection.cursor = cursor;
bv->switchKeyMap();
bv->owner()->view_state_changed();
break;
case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
bv->beforeChange(this);
breakParagraph(bv, 1);
update(bv);
selection.cursor = cursor;
bv->switchKeyMap();
bv->owner()->view_state_changed();
break;
case LFUN_BREAKPARAGRAPH_SKIP: {
// When at the beginning of a paragraph, remove
// indentation and add a "defskip" at the top.
// Otherwise, do the same as LFUN_BREAKPARAGRAPH.
LyXCursor cur = cursor;
bv->beforeChange(this);
if (cur.pos() == 0) {
if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
setParagraph(bv,
cur.par()->params().lineTop(),
cur.par()->params().lineBottom(),
cur.par()->params().pagebreakTop(),
cur.par()->params().pagebreakBottom(),
VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
cur.par()->params().spacing(),
cur.par()->params().align(),
cur.par()->params().labelWidthString(), 1);
//update(bv);
}
}
else {
breakParagraph(bv, 0);
//update(bv);
}
update(bv);
selection.cursor = cur;
bv->switchKeyMap();
bv->owner()->view_state_changed();
break;
}
case LFUN_PARAGRAPH_SPACING: {
Paragraph * par = cursor.par();
Spacing::Space cur_spacing = par->params().spacing().getSpace();
float cur_value = 1.0;
if (cur_spacing == Spacing::Other)
cur_value = par->params().spacing().getValue();
istringstream is(cmd.argument.c_str());
string tmp;
is >> tmp;
Spacing::Space new_spacing = cur_spacing;
float 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;
float 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 << _("Unknown spacing argument: ")
<< cmd.argument << endl;
}
if (cur_spacing != new_spacing || cur_value != new_value) {
par->params().spacing(Spacing(new_spacing, new_value));
redoParagraph(bv);
update(bv);
}
break;
}
case LFUN_INSET_TOGGLE:
bv->hideCursor();
bv->beforeChange(this);
update(bv, false);
toggleInset(bv);
update(bv, false);
bv->switchKeyMap();
break;
case LFUN_PROTECTEDSPACE:
if (cursor.par()->layout()->free_spacing) {
insertChar(bv, ' ');
update(bv);
} else {
specialChar(this, bv, InsetSpecialChar::PROTECTED_SEPARATOR);
}
bv->moveCursorUpdate(false);
break;
case LFUN_HYPHENATION:
specialChar(this, bv, InsetSpecialChar::HYPHENATION);
break;
case LFUN_LIGATURE_BREAK:
specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
break;
case LFUN_LDOTS:
specialChar(this, bv, InsetSpecialChar::LDOTS);
break;
case LFUN_HFILL:
bv->hideCursor();
update(bv, false);
insertChar(bv, Paragraph::META_HFILL);
update(bv);
break;
case LFUN_END_OF_SENTENCE:
specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
break;
case LFUN_MENU_SEPARATOR:
specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
break;
case LFUN_MARK_OFF:
bv->beforeChange(this);
update(bv, false);
selection.cursor = cursor;
cmd.message(N_("Mark off"));
break;
case LFUN_MARK_ON:
bv->beforeChange(this);
selection.mark(true);
update(bv, false);
selection.cursor = cursor;
cmd.message(N_("Mark on"));
break;
case LFUN_SETMARK:
bv->beforeChange(this);
if (selection.mark()) {
update(bv);
cmd.message(N_("Mark removed"));
} else {
selection.mark(true);
update(bv);
cmd.message(N_("Mark set"));
}
selection.cursor = cursor;
break;
case LFUN_UPCASE_WORD:
update(bv, false);
changeCase(bv, LyXText::text_uppercase);
if (inset_owner)
bv->updateInset(inset_owner, true);
update(bv);
break;
case LFUN_LOWCASE_WORD:
update(bv, false);
changeCase(bv, LyXText::text_lowercase);
if (inset_owner)
bv->updateInset(inset_owner, true);
update(bv);
break;
case LFUN_CAPITALIZE_WORD:
update(bv, false);
changeCase(bv, LyXText::text_capitalization);
if (inset_owner)
bv->updateInset(inset_owner, true);
update(bv);
break;
case LFUN_TRANSPOSE_CHARS:
update(bv, false);
transposeChars(*bv);
if (inset_owner)
bv->updateInset(inset_owner, true);
update(bv);
break;
case LFUN_BEGINNINGBUFSEL:
if (inset_owner)
return Inset::UNDISPATCHED;
update(bv, false);
cursorTop(bv);
bv->finishChange(true);
break;
case LFUN_ENDBUFSEL:
if (inset_owner)
return Inset::UNDISPATCHED;
update(bv, false);
cursorBottom(bv);
bv->finishChange(true);
break;
case LFUN_GETXY:
cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
break;
case LFUN_SETXY: {
int x = 0;
int y = 0;
if (::sscanf(cmd.argument.c_str(), " %d %d", &x, &y) != 2)
lyxerr << "SETXY: Could not parse coordinates in '"
<< cmd.argument << std::endl;
setCursorFromCoordinates(bv, x, y);
break;
}
case LFUN_GETFONT:
if (current_font.shape() == LyXFont::ITALIC_SHAPE)
cmd.message("E");
else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
cmd.message("N");
else
cmd.message("0");
break;
case LFUN_GETLAYOUT:
cmd.message(tostr(cursor.par()->layout()));
break;
case LFUN_LAYOUT: {
lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
<< cmd.argument << endl;
// This is not the good solution to the empty argument
// problem, but it will hopefully suffice for 1.2.0.
// The correct solution would be to augument the
// function list/array with information about what
// functions needs arguments and their type.
if (cmd.argument.empty()) {
cmd.errorMessage(_("LyX function 'layout' needs an argument."));
break;
}
// Derive layout number from given argument (string)
// and current buffer's textclass (number)
LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
bool hasLayout = tclass.hasLayout(cmd.argument);
string layout = cmd.argument;
// If the entry is obsolete, use the new one instead.
if (hasLayout) {
string const & obs = tclass[layout]->obsoleted_by();
if (!obs.empty())
layout = obs;
}
if (!hasLayout) {
cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
N_(" not known"));
break;
}
bool change_layout = (current_layout != layout);
if (!change_layout && selection.set() &&
selection.start.par() != selection.end.par())
{
Paragraph * spar = selection.start.par();
Paragraph * epar = selection.end.par()->next();
while (spar != epar) {
if (spar->layout()->name() != current_layout) {
change_layout = true;
break;
}
}
}
if (change_layout) {
bv->hideCursor();
current_layout = layout;
update(bv, false);
setLayout(bv, layout);
bv->owner()->setLayout(layout);
update(bv);
bv->switchKeyMap();
}
break;
}
case LFUN_PASTESELECTION: {
if (!bv->buffer())
break;
bv->hideCursor();
// this was originally a beforeChange(bv->text), i.e
// the outermost LyXText!
bv->beforeChange(this);
string const clip(bv->workarea().getClipboard());
if (!clip.empty()) {
if (cmd.argument == "paragraph")
insertStringAsParagraphs(bv, clip);
else
insertStringAsLines(bv, clip);
clearSelection();
update(bv);
}
break;
}
case LFUN_SELFINSERT: {
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) {
if (selection.set()) {
cutSelection(bv, false, false);
update(bv);
}
bv->workarea().haveSelection(false);
}
bv->beforeChange(this);
LyXFont const old_font(real_current_font);
string::const_iterator cit = cmd.argument.begin();
string::const_iterator end = cmd.argument.end();
for (; cit != end; ++cit)
bv->owner()->getIntl().getTransManager().
TranslateAndInsert(*cit, this);
update(bv);
selection.cursor = cursor;
bv->moveCursorUpdate(false);
// real_current_font.number can change so we need to
// update the minibuffer
if (old_font != real_current_font)
bv->owner()->view_state_changed();
break;
}
default:
return Inset::UNDISPATCHED;
}
return Inset::DISPATCHED;
}