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2001-12-03 Lars Gullik Bj�nnes <larsbj@birdstep.com>

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* screen.C (topCursorVisible): scroll half a page when the cursor
	reached top of bottom of screen


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3135 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Lars Gullik Bjønnes 2001-12-02 23:20:56 +00:00
parent b720d576c0
commit 09ae774b49
2 changed files with 15 additions and 6 deletions
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5
src/ChangeLog
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@ -1,3 +1,8 @@
2001-12-03 Lars Gullik Bjønnes <larsbj@birdstep.com>
* screen.C (topCursorVisible): scroll half a page when the cursor
reached top of bottom of screen
2001-12-02 Lars Gullik Bjønnes <larsbj@birdstep.com> 2001-12-02 Lars Gullik Bjønnes <larsbj@birdstep.com>
* vspace.[Ch] (operator!=): add operator. * vspace.[Ch] (operator!=): add operator.

16
src/screen.C
View File

@ -393,21 +393,25 @@ unsigned int LyXScreen::topCursorVisible(LyXText const * text)
+ text->cursor.row()->height() + text->cursor.row()->height()
- text->first >= owner.height()) { - text->first >= owner.height()) {
if (text->cursor.row()->height() < owner.height() if (text->cursor.row()->height() < owner.height()
&& text->cursor.row()->height() > owner.height() / 4) && text->cursor.row()->height() > owner.height() / 4) {
newtop = text->cursor.y() newtop = text->cursor.y()
+ text->cursor.row()->height() + text->cursor.row()->height()
- text->cursor.row()->baseline() - owner.height(); - text->cursor.row()->baseline() - owner.height();
else } else {
// scroll down
newtop = text->cursor.y() newtop = text->cursor.y()
- 3 * owner.height() / 4; /* the scroll region must be so big!! */ - owner.height() / 2; /* the scroll region must be so big!! */
}
} else if (static_cast<int>((text->cursor.y()) - text->cursor.row()->baseline()) < } else if (static_cast<int>((text->cursor.y()) - text->cursor.row()->baseline()) <
text->first && text->first > 0) text->first && text->first > 0)
{ {
if (text->cursor.row()->height() < owner.height() if (text->cursor.row()->height() < owner.height()
&& text->cursor.row()->height() > owner.height() / 4) && text->cursor.row()->height() > owner.height() / 4) {
newtop = text->cursor.y() - text->cursor.row()->baseline(); newtop = text->cursor.y() - text->cursor.row()->baseline();
else { } else {
newtop = text->cursor.y() - owner.height() / 4; // scroll up
newtop = text->cursor.y() - owner.height() / 2;
newtop = min(newtop, int(text->first)); newtop = min(newtop, int(text->first));
} }
} }