X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FText.cpp;h=c9bb7e3b563c5e0af33fdfab50455511c0b455ab;hb=cfbe5dd9e1da55cba9499bee0220c2fdab65c3c0;hp=2a3b5509a9beb47823825a29105e75792dde6be5;hpb=7f461f4392a19cf488dec005d2f12cfea83655d9;p=lyx.git

diff --git a/src/Text.cpp b/src/Text.cpp
index 2a3b5509a9..c9bb7e3b56 100644
--- a/src/Text.cpp
+++ b/src/Text.cpp
@@ -59,7 +59,7 @@
 #include "insets/InsetSpecialChar.h"
 #include "insets/InsetTabular.h"
 
-#include "support/assert.h"
+#include "support/lassert.h"
 #include "support/convert.h"
 #include "support/debug.h"
 #include "support/docstream.h"
@@ -584,20 +584,27 @@ bool Text::cursorForwardOneWord(Cursor & cur)
 {
 	LASSERT(this == cur.text(), /**/);
 
-	Cursor old = cur;
+	pos_type const lastpos = cur.lastpos();
+	pit_type pit = cur.pit();
+	pos_type pos = cur.pos();
+	Paragraph const & par = cur.paragraph();
 
-	if (old.pos() == old.lastpos() && old.pit() != old.lastpit()) {
-		++old.pit();
-		old.pos() = 0;
-	} else {
-		// Advance through word.
-		while (old.pos() != old.lastpos() && old.paragraph().isLetter(old.pos()))
-			++old.pos();
-		// Skip through trailing nonword stuff.
-		while (old.pos() != old.lastpos() && !old.paragraph().isLetter(old.pos()))
-			++old.pos();
+	// Skip over either a non-char inset or a full word
+	if (pos != lastpos && !par.isLetter(pos) && !par.isChar(pos))
+		++pos;
+	else while (pos != lastpos && par.isLetter(pos))
+			++pos;
+
+	// Skip through trailing punctuation and spaces.
+	while (pos != lastpos && par.isChar(pos))
+		++pos;
+
+	if (pos == lastpos && pit != cur.lastpit()) {
+		++pit;
+		pos = 0;
 	}
-	return setCursor(cur, old.pit(), old.pos());
+
+	return setCursor(cur, pit, pos);
 }
 
 
@@ -605,20 +612,104 @@ bool Text::cursorBackwardOneWord(Cursor & cur)
 {
 	LASSERT(this == cur.text(), /**/);
 
-	Cursor old = cur;
+	pit_type pit = cur.pit();
+	pos_type pos = cur.pos();
+	Paragraph & par = cur.paragraph();
 
-	if (old.pos() == 0 && old.pit() != 0) {
-		--old.pit();
-		old.pos() = old.lastpos();
-	} else {
-		// Skip through initial nonword stuff.
-		while (old.pos() != 0 && !old.paragraph().isLetter(old.pos() - 1))
-			--old.pos();
-		// Advance through word.
-		while (old.pos() != 0 && old.paragraph().isLetter(old.pos() - 1))
-			--old.pos();
+	// Skip through puctuation and spaces.
+	while (pos != 0 && par.isChar(pos - 1))
+		--pos;
+
+	// Skip over either a non-char inset or a full word
+	if (pos != 0 && !par.isLetter(pos) && !par.isChar(pos - 1))
+		--pos;
+	else while (pos != 0 && par.isLetter(pos - 1))
+			--pos;
+
+	if (pos == 0 && pit != 0) {
+		--pit;
+		pos = getPar(cur.pit() - 1).size();
+	}
+
+	return setCursor(cur, pit, pos);
+}
+
+
+bool Text::cursorVisLeftOneWord(Cursor & cur)
+{
+	LASSERT(this == cur.text(), /**/);
+
+	pos_type left_pos, right_pos;
+	bool left_is_letter, right_is_letter;
+
+	Cursor temp_cur = cur;
+
+	// always try to move at least once...
+	while (temp_cur.posVisLeft(true /* skip_inset */)) {
+
+		// collect some information about current cursor position
+		temp_cur.getSurroundingPos(left_pos, right_pos);
+		left_is_letter = 
+			(left_pos > -1 ? temp_cur.paragraph().isLetter(left_pos) : false);
+		right_is_letter = 
+			(right_pos > -1 ? temp_cur.paragraph().isLetter(right_pos) : false);
+
+		// if we're not at a letter/non-letter boundary, continue moving
+		if (left_is_letter == right_is_letter)
+			continue;
+
+		// we should stop when we have an LTR word on our right or an RTL word
+		// on our left
+		if ((left_is_letter && temp_cur.paragraph().getFontSettings(
+				temp_cur.bv().buffer().params(), 
+				left_pos).isRightToLeft())
+			|| (right_is_letter && !temp_cur.paragraph().getFontSettings(
+				temp_cur.bv().buffer().params(), 
+				right_pos).isRightToLeft()))
+			break;
+	}
+
+	return setCursor(cur, temp_cur.pit(), temp_cur.pos(), 
+					 true, temp_cur.boundary());
+}
+
+
+bool Text::cursorVisRightOneWord(Cursor & cur)
+{
+	LASSERT(this == cur.text(), /**/);
+
+	pos_type left_pos, right_pos;
+	bool left_is_letter, right_is_letter;
+
+	Cursor temp_cur = cur;
+
+	// always try to move at least once...
+	while (temp_cur.posVisRight(true /* skip_inset */)) {
+
+		// collect some information about current cursor position
+		temp_cur.getSurroundingPos(left_pos, right_pos);
+		left_is_letter = 
+			(left_pos > -1 ? temp_cur.paragraph().isLetter(left_pos) : false);
+		right_is_letter = 
+			(right_pos > -1 ? temp_cur.paragraph().isLetter(right_pos) : false);
+
+		// if we're not at a letter/non-letter boundary, continue moving
+		if (left_is_letter == right_is_letter)
+			continue;
+
+		// we should stop when we have an LTR word on our right or an RTL word
+		// on our left
+		if ((left_is_letter && temp_cur.paragraph().getFontSettings(
+				temp_cur.bv().buffer().params(), 
+				left_pos).isRightToLeft())
+			|| (right_is_letter && !temp_cur.paragraph().getFontSettings(
+				temp_cur.bv().buffer().params(), 
+				right_pos).isRightToLeft()))
+			break;
 	}
-	return setCursor(cur, old.pit(), old.pos());
+
+	return setCursor(cur, temp_cur.pit(), temp_cur.pos(), 
+					 true, temp_cur.boundary());
 }
 
 
@@ -1299,7 +1390,7 @@ docstring Text::getPossibleLabel(Cursor & cur) const
 	Layout const * layout = &(pars_[pit].layout());
 
 	docstring text;
-	docstring par_text = pars_[pit].asString(false);
+	docstring par_text = pars_[pit].asString();
 	string piece;
 	// the return string of math matrices might contain linebreaks
 	par_text = subst(par_text, '\n', '-');
@@ -1449,7 +1540,7 @@ docstring Text::previousWord(CursorSlice const & sl) const
 		return docstring();
 	
 	Paragraph const & par = sl.paragraph();
-	return par.asString(from.pos(), to.pos(), false);
+	return par.asString(from.pos(), to.pos());
 }