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PageDown and PageUp now behave a bit better. Still not completely ok, plus the code is a mess.

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Needs to cleanup


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8640 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini 2004-08-25 07:50:35 +00:00
parent e13bd0e1a8
commit 939b1a9c4c
1 changed files with 32 additions and 4 deletions
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34
src/kits/interface/BTextView/TextView.cpp
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@ -3049,18 +3049,46 @@ BTextView::HandlePageKey(uint32 inPageKey)
Select(fClickOffset, fClickOffset);
break;
// TODO: Clean up this mess
case B_PAGE_UP:
{
int32 currentOffset = OffsetAt(fClickOffset);
float delta = Bounds().Height();
if (ScrollBar(B_VERTICAL) != NULL)
ScrollBar(B_VERTICAL)->SetValue(ScrollBar(B_VERTICAL)->Value() - delta);
int32 newOffset = OffsetAt(LineAt(PointAt(currentOffset - delta)));
if (shiftDown) {
if (newOffset <= fSelStart)
Select(newOffset, fSelEnd);
else
Select(fSelStart, newOffset);
} else
Select(newOffset, newOffset);
break;
}
case B_PAGE_DOWN:
{
int32 currentOffset = OffsetAt(fClickOffset);
float delta = Bounds().Height();
delta = (inPageKey == B_PAGE_UP) ? -delta : delta;
if (ScrollBar(B_VERTICAL) != NULL)
ScrollBar(B_VERTICAL)->SetValue(ScrollBar(B_VERTICAL)->Value() + delta);
// TODO: Selection
GoToLine(LineAt(PointAt(currentOffset + delta)));
int32 newOffset = OffsetAt(LineAt(PointAt(currentOffset + delta)));
if (shiftDown) {
if (newOffset >= fSelEnd)
Select(fSelStart, newOffset);
else
Select(newOffset, fSelEnd);
} else
Select(newOffset, newOffset);
break;
}