2 * \file bufferview_funcs.C
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Lars Gullik Bjønnes
7 * \author Jean-Marc Lasgouttes
9 * \author Angus Leeming
11 * Full author contact details are available in file CREDITS.
16 #include "bufferview_funcs.h"
17 #include "BufferView.h"
22 #include "ParagraphParameters.h"
25 #include "frontends/LyXView.h"
26 #include "frontends/Alert.h"
27 #include "mathed/math_cursor.h"
29 #include "support/tostr.h"
30 #include "support/std_sstream.h"
32 #include "insets/insettext.h"
34 using namespace lyx::support;
36 using std::istringstream;
37 using std::ostringstream;
42 LyXFont freefont(LyXFont::ALL_IGNORE);
43 bool toggleall(false);
49 // Set data using font and toggle
50 // If successful, returns true
51 bool font2string(LyXFont const & font, bool toggle, string & data)
53 string lang = "ignore";
55 lang = font.language()->lang();
58 os << "family " << font.family() << '\n'
59 << "series " << font.series() << '\n'
60 << "shape " << font.shape() << '\n'
61 << "size " << font.size() << '\n'
62 << "emph " << font.emph() << '\n'
63 << "underbar " << font.underbar() << '\n'
64 << "noun " << font.noun() << '\n'
65 << "number " << font.number() << '\n'
66 << "color " << font.color() << '\n'
67 << "language " << lang << '\n'
68 << "toggleall " << tostr(toggle);
69 data = STRCONV(os.str());
74 // Set font and toggle using data
75 // If successful, returns true
76 bool string2font(string const & data, LyXFont & font, bool & toggle)
78 istringstream is(STRCONV(data));
86 token = lex.getString();
88 if (token.empty() || !lex.next())
91 if (token == "family") {
92 int const next = lex.getInteger();
93 font.setFamily(LyXFont::FONT_FAMILY(next));
95 } else if (token == "series") {
96 int const next = lex.getInteger();
97 font.setSeries(LyXFont::FONT_SERIES(next));
99 } else if (token == "shape") {
100 int const next = lex.getInteger();
101 font.setShape(LyXFont::FONT_SHAPE(next));
103 } else if (token == "size") {
104 int const next = lex.getInteger();
105 font.setSize(LyXFont::FONT_SIZE(next));
107 } else if (token == "emph" || token == "underbar" ||
108 token == "noun" || token == "number") {
110 int const next = lex.getInteger();
111 LyXFont::FONT_MISC_STATE const misc =
112 LyXFont::FONT_MISC_STATE(next);
116 else if (token == "underbar")
117 font.setUnderbar(misc);
118 else if (token == "noun")
120 else if (token == "number")
121 font.setNumber(misc);
123 } else if (token == "color") {
124 int const next = lex.getInteger();
125 font.setColor(LColor::color(next));
127 } else if (token == "language") {
128 string const next = lex.getString();
129 if (next == "ignore")
130 font.setLanguage(ignore_language);
132 font.setLanguage(languages.getLanguage(next));
134 } else if (token == "toggleall") {
135 toggle = lex.getBool();
138 // Unrecognised token
148 string const freefont2string()
151 if (font2string(freefont, toggleall, data))
157 void update_and_apply_freefont(BufferView * bv, string const & data)
161 if (string2font(data, font, toggle)) {
169 void apply_freefont(BufferView * bv)
171 toggleAndShow(bv, freefont, toggleall);
172 bv->owner()->view_state_changed();
173 bv->owner()->message(_("Character set"));
177 void emph(BufferView * bv)
179 LyXFont font(LyXFont::ALL_IGNORE);
180 font.setEmph(LyXFont::TOGGLE);
181 toggleAndShow(bv, font);
185 void bold(BufferView * bv)
187 LyXFont font(LyXFont::ALL_IGNORE);
188 font.setSeries(LyXFont::BOLD_SERIES);
189 toggleAndShow(bv, font);
193 void noun(BufferView * bv)
195 LyXFont font(LyXFont::ALL_IGNORE);
196 font.setNoun(LyXFont::TOGGLE);
197 toggleAndShow(bv, font);
201 void number(BufferView * bv)
203 LyXFont font(LyXFont::ALL_IGNORE);
204 font.setNumber(LyXFont::TOGGLE);
205 toggleAndShow(bv, font);
209 void lang(BufferView * bv, string const & l)
211 Language const * lang = languages.getLanguage(l);
215 LyXFont font(LyXFont::ALL_IGNORE);
216 font.setLanguage(lang);
217 toggleAndShow(bv, font);
221 bool changeDepth(BufferView * bv, LyXText * text, DEPTH_CHANGE type, bool test_only)
223 if (!bv->available() || !text)
227 return text->changeDepth(type, true);
229 bool const changed = text->changeDepth(type, false);
230 if (text->inset_owner)
231 bv->updateInset(text->inset_owner);
236 void code(BufferView * bv)
238 LyXFont font(LyXFont::ALL_IGNORE);
239 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
240 toggleAndShow(bv, font);
244 void sans(BufferView * bv)
246 LyXFont font(LyXFont::ALL_IGNORE);
247 font.setFamily(LyXFont::SANS_FAMILY);
248 toggleAndShow(bv, font);
252 void roman(BufferView * bv)
254 LyXFont font(LyXFont::ALL_IGNORE);
255 font.setFamily(LyXFont::ROMAN_FAMILY);
256 toggleAndShow(bv, font);
260 void styleReset(BufferView * bv)
262 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
263 toggleAndShow(bv, font);
267 void underline(BufferView * bv)
269 LyXFont font(LyXFont::ALL_IGNORE);
270 font.setUnderbar(LyXFont::TOGGLE);
271 toggleAndShow(bv, font);
275 void fontSize(BufferView * bv, string const & size)
277 LyXFont font(LyXFont::ALL_IGNORE);
278 font.setLyXSize(size);
279 toggleAndShow(bv, font);
283 // Returns the current font and depth as a message.
284 string const currentState(BufferView * bv)
286 if (!bv->available())
290 return mathcursor->info();
294 LyXText * text = bv->getLyXText();
295 Buffer * buffer = bv->buffer();
296 LyXCursor const & c(text->cursor);
298 bool const show_change = buffer->params.tracking_changes
299 && c.pos() != c.par()->size()
300 && c.par()->lookupChange(c.pos()) != Change::UNCHANGED;
303 Change change(c.par()->lookupChangeFull(c.pos()));
304 Author const & a(bv->buffer()->authors().get(change.author));
305 state << _("Change: ") << a.name();
306 if (!a.email().empty()) {
307 state << " (" << a.email() << ")";
309 if (change.changetime)
310 state << _(" at ") << ctime(&change.changetime);
314 // I think we should only show changes from the default
316 LyXFont font = text->real_current_font;
317 LyXFont const & defaultfont =
318 buffer->params.getLyXTextClass().defaultfont();
319 font.reduce(defaultfont);
321 // avoid _(...) re-entrance problem
322 string const s = font.stateText(&buffer->params);
323 state << bformat(_("Font: %1$s"), s);
325 // state << bformat(_("Font: %1$s"), font.stateText(&buffer->params));
327 // The paragraph depth
328 int depth = text->getDepth();
330 state << bformat(_(", Depth: %1$s"), tostr(depth));
332 // The paragraph spacing, but only if different from
334 if (!text->cursor.par()->params().spacing().isDefault()) {
335 Spacing::Space cur_space =
336 text->cursor.par()->params().spacing().getSpace();
337 state << _(", Spacing: ");
340 case Spacing::Single:
341 state << _("Single");
343 case Spacing::Onehalf:
344 state << _("OneHalf");
346 case Spacing::Double:
347 state << _("Double");
350 state << _("Other (")
351 << text->cursor.par()->params().spacing().getValue()
354 case Spacing::Default:
355 // should never happen, do nothing
360 state << _(", Paragraph: ") << text->cursor.par()->id();
361 state << _(", Position: ") << text->cursor.pos();
362 RowList::iterator rit = text->cursorRow();
363 state << bformat(_(", Row b:%1$d e:%2$d"), rit->pos(), rit->end());
364 state << _(", Inset: ") <<
365 (text->cursor.par()->inInset() ? text->cursor.par()->inInset()->id() : -1);
367 return STRCONV(state.str());
371 /* Does the actual toggle job of the calls above.
372 * Also shows the current font state.
374 void toggleAndShow(BufferView * bv, LyXFont const & font, bool toggleall)
376 if (!bv->available())
379 if (bv->theLockingInset()) {
380 bv->theLockingInset()->setFont(bv, font, toggleall);
384 LyXText * text = bv->getLyXText();
385 text->toggleFree(font, toggleall);
388 if (font.language() != ignore_language ||
389 font.number() != LyXFont::IGNORE) {
390 LyXCursor & cursor = text->cursor;
391 text->computeBidiTables(text->cursor.par(), *bv->buffer(),
393 if (cursor.boundary() !=
394 text->isBoundary(*bv->buffer(), *cursor.par(), cursor.pos(),
395 text->real_current_font))
396 text->setCursor(cursor.par(), cursor.pos(),
397 false, !cursor.boundary());
402 // deletes a selection during an insertion
403 void replaceSelection(LyXText * lt)
405 if (lt->selection.set()) {
406 lt->cutSelection(true, false);
411 }; // namespace bv_funcs