lyx_mirror/src/bufferview_funcs.C

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/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2001 The LyX Team.
*
* ====================================================== */
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "bufferview_funcs.h"
#include "LyXView.h"
#include "BufferView.h"
#include "paragraph.h"
#include "lyxfont.h"
#include "lyx_gui_misc.h"
#include "lyxtext.h"
#include "buffer.h"
#include "support/lstrings.h"
#include "lyx_cb.h"
#include "language.h"
#include "gettext.h"
#include "ParagraphParameters.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
WriteAlert(_("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);
bv->owner()->message(_("Changed environment depth "
"(in possible range, maybe not)"));
}
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)
{
#ifndef INHERIT_LANG
LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
#else
LyXFont font(LyXFont::ALL_INHERIT);
#endif
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)
{
ostringstream state;
if (bv->available()) {
// I think we should only show changes from the default
// font. (Asger)
LyXText * text = bv->getLyXText();
Buffer * buffer = bv->buffer();
LyXFont font = text->real_current_font;
LyXFont const & defaultfont =
textclasslist
.TextClass(buffer->params.textclass)
.defaultfont();
font.reduce(defaultfont);
state << _("Font:") << ' '
<< font.stateText(&buffer->params);
// The paragraph depth
int depth = text->getDepth();
if (depth > 0)
state << _(", Depth: ") << depth;
// 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;
}
}
#if 1
state << _(", Paragraph: ") << text->cursor.par()->id();
#endif
}
return state.str().c_str();
}
/* -------> Does the actual toggle job of the XxxCB() calls above.
* Also shows the current font state.
*/
void toggleAndShow(BufferView * bv, LyXFont const & font, bool toggleall)
{
if (bv->available()) {
if (bv->theLockingInset()) {
bv->theLockingInset()->setFont(bv, font, toggleall);
return;
}
LyXText * text = bv->getLyXText();
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());
}
}
}