X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fbufferview_funcs.C;h=a58c0c9e9c0ae1ade6684220676d0a50811c3444;hb=fe390e9da1538e20eabbc98977d845295f8e563d;hp=d1718aa92ffe734afe3c801355472b9e57d24c10;hpb=8283e978f8d621041c432b9b88a476bfd567385c;p=lyx.git

diff --git a/src/bufferview_funcs.C b/src/bufferview_funcs.C
index d1718aa92f..a58c0c9e9c 100644
--- a/src/bufferview_funcs.C
+++ b/src/bufferview_funcs.C
@@ -1,35 +1,180 @@
-/* This file is part of
- * ======================================================
+/**
+ * \file bufferview_funcs.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- *           LyX, The Document Processor
+ * \author Lars Gullik Bjønnes
+ * \author Jean-Marc Lasgouttes
+ * \author John Levon
+ * \author Angus Leeming
  *
- *           Copyright 1995 Matthias Ettrich
- *           Copyright 1995-2001 The LyX Team.
- *
- * ====================================================== */
+ * Full author contact details are available in file CREDITS
+ */
 
 #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 "lyxlex.h"
 #include "lyxtext.h"
 #include "buffer.h"
 #include "lyx_cb.h"
 #include "language.h"
 #include "gettext.h"
 #include "ParagraphParameters.h"
-#include "lyxtextclasslist.h"
+#include "author.h"
+#include "changes.h"
 
+#include "frontends/LyXView.h"
 #include "frontends/Alert.h"
+#include "mathed/math_cursor.h"
+
+#include "support/tostr.h"
+#include "Lsstream.h"
+
+#include "insets/updatableinset.h"
+
+using namespace lyx::support;
+
+
+namespace {
+
+LyXFont freefont(LyXFont::ALL_IGNORE);
+bool toggleall(false);
+
+}
+
+namespace bv_funcs {
+
+// Set data using font and toggle
+// If successful, returns true
+bool font2string(LyXFont const & font, bool toggle, string & data)
+{
+	string lang = "ignore";
+	if (font.language())
+		lang = font.language()->lang();
+
+	ostringstream os;
+	os << "family " << font.family() << '\n'
+	   << "series " << font.series() << '\n'
+	   << "shape " << font.shape() << '\n'
+	   << "size " << font.size() << '\n'
+	   << "emph " << font.emph() << '\n'
+	   << "underbar " << font.underbar() << '\n'
+	   << "noun " << font.noun() << '\n'
+	   << "number " << font.number() << '\n'
+	   << "color " << font.color() << '\n'
+	   << "language " << lang << '\n'
+	   << "toggleall " << tostr(toggle);
+	data = STRCONV(os.str());
+	return true;
+}
+
+
+// Set font and toggle using data
+// If successful, returns true
+bool string2font(string const & data, LyXFont & font, bool & toggle)
+{
+	istringstream is(STRCONV(data));
+	LyXLex lex(0,0);
+	lex.setStream(is);
+
+	int nset = 0;
+	while (lex.isOK()) {
+		string token;
+		if (lex.next())
+			token = lex.getString();
+
+		if (token.empty() || !lex.next())
+			break;
+
+		if (token == "family") {
+			int const next = lex.getInteger();
+			font.setFamily(LyXFont::FONT_FAMILY(next));
+
+		} else if (token == "series") {
+			int const next = lex.getInteger();
+			font.setSeries(LyXFont::FONT_SERIES(next));
+
+		} else if (token == "shape") {
+			int const next = lex.getInteger();
+			font.setShape(LyXFont::FONT_SHAPE(next));
+
+		} else if (token == "size") {
+			int const next = lex.getInteger();
+			font.setSize(LyXFont::FONT_SIZE(next));
+
+		} else if (token == "emph" || token == "underbar" ||
+			   token == "noun" || token == "number") {
+
+			int const next = lex.getInteger();
+			LyXFont::FONT_MISC_STATE const misc =
+				LyXFont::FONT_MISC_STATE(next);
+
+			if (token == "emph")
+			    font.setEmph(misc);
+			else if (token == "underbar")
+				font.setUnderbar(misc);
+			else if (token == "noun")
+				font.setNoun(misc);
+			else if (token == "number")
+				font.setNumber(misc);
+
+		} else if (token == "color") {
+			int const next = lex.getInteger();
+			font.setColor(LColor::color(next));
+
+		} else if (token == "language") {
+			string const next = lex.getString();
+			if (next == "ignore")
+				font.setLanguage(ignore_language);
+			else
+				font.setLanguage(languages.getLanguage(next));
+
+		} else if (token == "toggleall") {
+			toggle = lex.getBool();
+
+		} else {
+			// Unrecognised token
+			break;
+		}
+
+		++nset;
+	}
+	return (nset > 0);
+}
+
+
+string const freefont2string()
+{
+	string data;
+	if (font2string(freefont, toggleall, data))
+		return data;
+	return string();
+}
+
+
+void update_and_apply_freefont(BufferView * bv, string const & data)
+{
+	LyXFont font;
+	bool toggle;
+	if (string2font(data, font, toggle)) {
+		freefont = font;
+		toggleall = toggle;
+		apply_freefont(bv);
+	}
+}
+
+
+void apply_freefont(BufferView * bv)
+{
+	toggleAndShow(bv, freefont, toggleall);
+	bv->owner()->view_state_changed();
+	bv->owner()->message(_("Character set"));
+}
 
-#include "support/lstrings.h"
 
 void emph(BufferView * bv)
 {
@@ -66,33 +211,28 @@ 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);
+	if (!lang)
+		return;
+
+	font.setLanguage(lang);
+	toggleAndShow(bv, font);
 }
 
 
-// Change environment depth.
-// if decInc >= 0, increment depth
-// if decInc <  0, decrement depth
-void changeDepth(BufferView * bv, LyXText * text, int decInc)
+bool changeDepth(BufferView * bv, LyXText * text, DEPTH_CHANGE type, bool test_only)
 {
 	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);
+	    return false;
+
+	if (test_only)
+		return text->changeDepth(type, true);
+
+	bv->update(BufferView::SELECT);
+	bool const changed = text->changeDepth(type, false);
 	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)"));
+		bv->updateInset((Inset *)text->inset_owner);
+	bv->update(BufferView::SELECT);
+	return changed;
 }
 
 
@@ -122,11 +262,7 @@ void roman(BufferView * bv)
 
 void styleReset(BufferView * bv)
 {
-#ifndef INHERIT_LANG
 	LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
-#else
-	LyXFont font(LyXFont::ALL_INHERIT);
-#endif
 	toggleAndShow(bv, font);
 }
 
@@ -150,90 +286,120 @@ void fontSize(BufferView * bv, string const & size)
 // Returns the current font and depth as a message.
 string const currentState(BufferView * bv)
 {
+	if (!bv->available())
+		return string();
+
+	if (mathcursor)
+		return mathcursor->info();
+
 	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[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;
-			}
+	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);
+
+	// avoid _(...) re-entrance problem
+	string const s = font.stateText(&buffer->params);
+	state << bformat(_("Font: %1$s"), s);
+
+	// state << bformat(_("Font: %1$s"), font.stateText(&buffer->params));
+
+	// The paragraph depth
+	int depth = text->getDepth();
+	if (depth > 0)
+		state << bformat(_(", Depth: %1$s"), tostr(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();
+#ifdef DEVEL_VERSION
+	state << _(", Paragraph: ") << text->cursor.par()->id();
+	state << "  Inset: " <<
+		(text->cursor.par()->inInset() ? text->cursor.par()->inInset()->id() : -1);
+#endif
+	return STRCONV(state.str());
 }
 
 
-/* -------> Does the actual toggle job of the XxxCB() calls above.
+/* 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()) {
-		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());
-		}
+	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->update(text, BufferView::SELECT);
+	text->toggleFree(font, toggleall);
+	bv->update(text, BufferView::SELECT);
+
+	if (font.language() != ignore_language ||
+	    font.number() != LyXFont::IGNORE) {
+		LyXCursor & cursor = text->cursor;
+		text->computeBidiTables(bv->buffer(), text->cursorRow());
+		if (cursor.boundary() !=
+		    text->isBoundary(bv->buffer(), *cursor.par(), cursor.pos(),
+				     text->real_current_font))
+			text->setCursor(cursor.par(), cursor.pos(),
+					false, !cursor.boundary());
 	}
 }
+
+}; // namespace bv_funcs