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add comments and rtl support for cursor positioning problem

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18323 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Bernhard Roider 2007-05-14 20:03:40 +00:00
parent fd70aabcc8
commit 9b5b7587a3
1 changed files with 18 additions and 2 deletions
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20
src/Text2.cpp
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@ -993,8 +993,16 @@ bool Text::cursorUp(Cursor & cur)
int x = cur.targetX();
cur.setTargetX();
if (cur.pos() != pm.rows()[row].endpos() || x < cur.targetX())
// We want to keep the x-target on subsequent up movements
// that cross beyond the end of short lines. Thus a special
// handling when the cursor is at the end of line: Use the new
// x-target only if the old one was before the end of line.
if (cur.pos() != pm.rows()[row].endpos()
|| (!cur.isRTL() && x < cur.targetX())
|| (cur.isRTL() && x > cur.targetX())) {
x = cur.targetX();
}
if (!cur.selection()) {
int const y = bv_funcs::getPos(cur.bv(), cur, cur.boundary()).y_;
@ -1052,8 +1060,16 @@ bool Text::cursorDown(Cursor & cur)
int x = cur.targetX();
cur.setTargetX();
if (cur.pos() != pm.rows()[row].endpos() || x < cur.targetX())
// We want to keep the x-target on subsequent down movements
// that cross beyond the end of short lines. Thus a special
// handling when the cursor is at the end of line: Use the new
// x-target only if the old one was before the end of line.
if (cur.pos() != pm.rows()[row].endpos()
|| (!cur.isRTL() && x < cur.targetX())
|| (cur.isRTL() && x > cur.targetX())) {
x = cur.targetX();
}
if (!cur.selection()) {
int const y = bv_funcs::getPos(cur.bv(), cur, cur.boundary()).y_;