lyx_mirror/src/bufferview_funcs.C
André Pönitz 5246fc5583 split inset -> inset + updatableinset
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@6212 a592a061-630c-0410-9148-cb99ea01b6c8
2003-02-20 17:39:48 +00:00

265 lines
5.8 KiB
C

/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2001 The LyX Team.
*
* ====================================================== */
#include <config.h>
#include "bufferview_funcs.h"
#include "BufferView.h"
#include "paragraph.h"
#include "lyxfont.h"
#include "lyxtext.h"
#include "buffer.h"
#include "lyx_cb.h"
#include "language.h"
#include "gettext.h"
#include "ParagraphParameters.h"
#include "author.h"
#include "changes.h"
#include "frontends/LyXView.h"
#include "frontends/Alert.h"
#include "support/lstrings.h"
#include "insets/updatableinset.h"
#include "BoostFormat.h"
void emph(BufferView * bv)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setEmph(LyXFont::TOGGLE);
toggleAndShow(bv, font);
}
void bold(BufferView * bv)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setSeries(LyXFont::BOLD_SERIES);
toggleAndShow(bv, font);
}
void noun(BufferView * bv)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setNoun(LyXFont::TOGGLE);
toggleAndShow(bv, font);
}
void number(BufferView * bv)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setNumber(LyXFont::TOGGLE);
toggleAndShow(bv, font);
}
void lang(BufferView * bv, string const & l)
{
LyXFont font(LyXFont::ALL_IGNORE);
Language const * lang = languages.getLanguage(l);
if (lang) {
font.setLanguage(lang);
toggleAndShow(bv, font);
} else
Alert::alert(_("Error! unknown language"),l);
}
// Change environment depth.
// if decInc >= 0, increment depth
// if decInc < 0, decrement depth
void changeDepth(BufferView * bv, LyXText * text, int decInc)
{
if (!bv->available() || !text)
return;
bv->hideCursor();
bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
if (decInc >= 0)
text->incDepth(bv);
else
text->decDepth(bv);
if (text->inset_owner)
bv->updateInset((Inset *)text->inset_owner, true);
bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
}
void code(BufferView * bv)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
toggleAndShow(bv, font);
}
void sans(BufferView * bv)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setFamily(LyXFont::SANS_FAMILY);
toggleAndShow(bv, font);
}
void roman(BufferView * bv)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setFamily(LyXFont::ROMAN_FAMILY);
toggleAndShow(bv, font);
}
void styleReset(BufferView * bv)
{
LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
toggleAndShow(bv, font);
}
void underline(BufferView * bv)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setUnderbar(LyXFont::TOGGLE);
toggleAndShow(bv, font);
}
void fontSize(BufferView * bv, string const & size)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setLyXSize(size);
toggleAndShow(bv, font);
}
// Returns the current font and depth as a message.
string const currentState(BufferView * bv)
{
if (!bv->available())
return string();
ostringstream state;
LyXText * text = bv->getLyXText();
Buffer * buffer = bv->buffer();
LyXCursor const & c(text->cursor);
bool const show_change = buffer->params.tracking_changes
&& c.pos() != c.par()->size()
&& c.par()->lookupChange(c.pos()) != Change::UNCHANGED;
if (show_change) {
Change change(c.par()->lookupChangeFull(c.pos()));
Author const & a(bv->buffer()->authors().get(change.author));
state << _("Change: ") << a.name();
if (!a.email().empty()) {
state << " (" << a.email() << ")";
}
if (change.changetime)
state << _(" at ") << ctime(&change.changetime);
state << " : ";
}
// I think we should only show changes from the default
// font. (Asger)
LyXFont font = text->real_current_font;
LyXFont const & defaultfont =
buffer->params.getLyXTextClass().defaultfont();
font.reduce(defaultfont);
#if USE_BOOST_FORMAT
state << boost::format(_("Font: %1$s")) % font.stateText(&buffer->params);
#else
state << _("Font: ") << font.stateText(&buffer->params);
#endif
// The paragraph depth
int depth = text->getDepth();
if (depth > 0) {
#if USE_BOOST_FORMAT
state << boost::format(_(", Depth: %1$d")) % depth;
#else
state << _(", Depth: ") << depth;
#endif
}
// The paragraph spacing, but only if different from
// buffer spacing.
if (!text->cursor.par()->params().spacing().isDefault()) {
Spacing::Space cur_space =
text->cursor.par()->params().spacing().getSpace();
state << _(", Spacing: ");
switch (cur_space) {
case Spacing::Single:
state << _("Single");
break;
case Spacing::Onehalf:
state << _("OneHalf");
break;
case Spacing::Double:
state << _("Double");
break;
case Spacing::Other:
state << _("Other (")
<< text->cursor.par()->params().spacing().getValue()
<< ')';
break;
case Spacing::Default:
// should never happen, do nothing
break;
}
}
#ifdef DEVEL_VERSION
state << _(", Paragraph: ") << text->cursor.par()->id();
#endif
return STRCONV(state.str());
}
/* Does the actual toggle job of the calls above.
* Also shows the current font state.
*/
void toggleAndShow(BufferView * bv, LyXFont const & font, bool toggleall)
{
if (!bv->available())
return;
if (bv->theLockingInset()) {
bv->theLockingInset()->setFont(bv, font, toggleall);
return;
}
LyXText * text = bv->getLyXText();
// FIXME: can this happen ??
if (!text)
return;
bv->hideCursor();
bv->update(text, BufferView::SELECT | BufferView::FITCUR);
text->toggleFree(bv, font, toggleall);
bv->update(text, BufferView::SELECT | BufferView::FITCUR | BufferView::CHANGE);
if (font.language() != ignore_language ||
font.number() != LyXFont::IGNORE) {
LyXCursor & cursor = text->cursor;
text->computeBidiTables(bv->buffer(), cursor.row());
if (cursor.boundary() !=
text->isBoundary(bv->buffer(), cursor.par(), cursor.pos(),
text->real_current_font))
text->setCursor(bv, cursor.par(), cursor.pos(),
false, !cursor.boundary());
}
}