RTL fixes (drawing of text in tabulars, reverse parenthesis when exporting

to ASCII/copying to clipboard).


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_1_6@1480 a592a061-630c-0410-9148-cb99ea01b6c8

ChangeLog

@@ -1,3 +1,15 @@
+2001-02-10  Dekel Tsur  <dekelts@tau.ac.il>
+
+	* src/insets/insettext.C (LocalDispatch): Restore the language
+ 	if the inset becomes empty.
+
+	* src/text.C (PrepareToPrint): Fix for RTL text in tabulars.
+
+	* src/paragraph.C (GetUChar): New method.
+	(String):  Use GetUChar.
+
+	* src/buffer.C (asciiParagraph): Use GetUChar.
+
 2001-02-02  Dekel Tsur  <dekelts@tau.ac.il>
 
 	* LaTeX.C (scanAuxFile): A rewrite of this method. It now returns

src/buffer.C

@@ -1496,7 +1496,7 @@ string const Buffer::asciiParagraph(LyXParagraph const * par,
 		} else {
 			islatex = 0;
 		}
-		c = par->GetChar(i);
+		c = par->GetUChar(params, i);
 		if (islatex)
 			continue;
 		switch (c) {

src/insets/insettext.C

@@ -1102,6 +1102,15 @@ InsetText::LocalDispatch(BufferView * bv,
 	result = UNDISPATCHED;
 	break;
     }
+
+    /// If the action has deleted all text in the inset, we need to change the
+    // language to the language to the surronding text.
+    if (par->Last() == 0 && !par->next) {
+	LyXFont font(LyXFont::ALL_IGNORE);
+	font.setLanguage(bv->getParentLanguage(this));
+	SetFont(bv, font, false);
+    }
+
     if (result != FINISHED) {
 	ShowInsetCursor(bv);
     } else

src/lyxparagraph.h

@@ -441,6 +441,8 @@ public:
 	LyXFont const getFont(BufferParams const &, size_type pos) const;
 	///
 	value_type GetChar(size_type pos) const;
+	///
+	value_type GetUChar(BufferParams const &, size_type pos) const;
 	/// The position must already exist.
 	void SetChar(size_type pos, value_type c) {
 #ifndef HAVE_ROPE

src/paragraph.C

@@ -1018,6 +1018,47 @@ LyXParagraph::GetChar(LyXParagraph::size_type pos) const
 }
 
 
+LyXParagraph::value_type
+LyXParagraph::GetUChar(BufferParams const & bparams,
+		       LyXParagraph::size_type pos) const
+{
+	value_type c = GetChar(pos);
+	if (!lyxrc.rtl_support)
+		return c;
+
+	value_type uc = c;
+	switch (c) {
+	case '(':
+		uc = ')';
+		break;
+	case ')':
+		uc = '(';
+		break;
+	case '[':
+		uc = ']';
+		break;
+	case ']':
+		uc = '[';
+		break;
+	case '{':
+		uc = '}';
+		break;
+	case '}':
+		uc = '{';
+		break;
+	case '<':
+		uc = '>';
+		break;
+	case '>':
+		uc = '<';
+		break;
+	}
+	if (uc != c && GetFontSettings(bparams, pos).isRightToLeft())
+		return uc;
+	else
+		return c;
+}
+
 // return an string of the current word, and the end of the word in lastpos.
 string const LyXParagraph::GetWord(LyXParagraph::size_type & lastpos) const
 {
@@ -3991,7 +4032,7 @@ string const LyXParagraph::String(Buffer const * buffer,
 		s += labelstring + ' ';
 
 	for (LyXParagraph::size_type i = beg; i < end; ++i) {
-		value_type c = GetChar(i);
+		value_type c = GetUChar(buffer->params, i);
 		if (IsPrintable(c))
 			s += c;
 		else if (c == META_INSET) {

src/text.C

@@ -2196,21 +2196,18 @@ void LyXText::PrepareToPrint(BufferView * bview,
 
         bool const is_rtl =
 		row->par()->isRightToLeftPar(bview->buffer()->params);
-#ifndef NEW_INSETS
-
 	if (is_rtl) {
-		x = RightMargin(bview->buffer(), row);
+		x = (workWidth(bview) > 0)
+			? RightMargin(bview->buffer(), row) : 0;
+#ifndef NEW_INSETS
 		if (row->par()->footnoteflag == LyXParagraph::OPEN_FOOTNOTE) {
 			LyXFont font(LyXFont::ALL_SANE);
 			font.setSize(LyXFont::SIZE_SMALL);
 			x += lyxfont::width("Mwide-figM", font);
 		}
-	} else
 #endif
-		if (workWidth(bview) > 0)
+	} else
-		x = LeftMargin(bview, row);
+		x = (workWidth(bview) > 0) ? LeftMargin(bview, row) : 0;
-	else
-		x = 0;
 	
 	// is there a manual margin with a manual label
 	if (textclasslist.Style(bview->buffer()->params.textclass,