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* LyXText::cursorNext(): Fix crash with PageDown when the next paragraph is a math inset bigger than the screen.

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* LyXText::cursorPrevious(): Implement the same check for safety reason.



git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@16092 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Abdelrazak Younes 2006-11-28 17:24:44 +00:00
parent e24bf64c68
commit a5df789cae
1 changed files with 16 additions and 4 deletions
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20
src/text3.C
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@ -207,12 +207,18 @@ void LyXText::cursorPrevious(LCursor & cur)
// FIXME: there would maybe a need for this 'updated' boolean in the future...
bool updated = setCursorFromCoordinates(cur, x, 0);
updated |= cursorUp(cur);
if (cur.inMathed())
updated |= cur.up();
else
updated |= cursorUp(cur);
if (cpar == cur.pit() && cpos == cur.pos()) {
// we have a row which is taller than the workarea. The
// simplest solution is to move to the previous row instead.
updated |= cursorUp(cur);
if (cur.inMathed())
updated |= cur.up();
else
updated |= cursorUp(cur);
}
finishUndo();
@ -228,12 +234,18 @@ void LyXText::cursorNext(LCursor & cur)
int x = cur.x_target();
// FIXME: there would maybe a need for this 'updated' boolean in the future...
bool updated = setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
updated |= cursorDown(cur);
if (cur.inMathed())
updated |= cur.down();
else
updated |= cursorDown(cur);
if (cpar == cur.pit() && cpos == cur.pos()) {
// we have a row which is taller than the workarea. The
// simplest solution is to move to the next row instead.
updated |= cursorDown(cur);
if (cur.inMathed())
updated |= cur.down();
else
updated |= cursorDown(cur);
}
finishUndo();