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tweaked clipping rect for scroll containers to not overlap vertical scrollbar 

fixed reflow logic when resizing text editors that contain widgets (would make text appear and disappear)

reviewed by James
meow-7.2.2
richard 2009-10-26 14:25:45 -07:00
parent f31b0baff4
commit 977dd84534
4 changed files with 60 additions and 59 deletions
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2
indra/llui/llscrollcontainer.cpp
View File

@ -432,7 +432,7 @@ void LLScrollContainer::draw()
LLLocalClipRect clip(LLRect(mInnerRect.mLeft,
mInnerRect.mBottom + (show_h_scrollbar ? scrollbar_size : 0) + visible_height,
visible_width,
mInnerRect.mRight - (show_v_scrollbar ? scrollbar_size: 0),
mInnerRect.mBottom + (show_h_scrollbar ? scrollbar_size : 0)
));
drawChild(mScrolledView);

113
indra/llui/lltextbase.cpp
View File

@ -232,7 +232,7 @@ LLTextBase::LLTextBase(const LLTextBase::Params &p)
createDefaultSegment();
updateTextRect();
updateRects();
}
LLTextBase::~LLTextBase()
@ -940,7 +940,7 @@ void LLTextBase::reshape(S32 width, S32 height, BOOL called_from_parent)
// do this first after reshape, because other things depend on
// up-to-date mTextRect
updateTextRect();
updateRects();
needsReflow();
}
@ -1160,60 +1160,8 @@ void LLTextBase::reflow(S32 start_index)
}
}
if (mLineInfoList.empty())
{
mContentsRect = LLRect(0, mVPad, mHPad, 0);
}
else
{
mContentsRect = mLineInfoList.begin()->mRect;
for (line_list_t::const_iterator line_iter = ++mLineInfoList.begin();
line_iter != mLineInfoList.end();
++line_iter)
{
mContentsRect.unionWith(line_iter->mRect);
}
mContentsRect.mRight += mHPad;
mContentsRect.mTop += mVPad;
// get around rounding errors when clipping text against rectangle
mContentsRect.stretch(1);
}
// change mDocumentView size to accomodate reflowed text
LLRect document_rect;
if (mScroller)
{
// document is size of scroller or size of text contents, whichever is larger
document_rect.setOriginAndSize(0, 0,
mScroller->getContentWindowRect().getWidth(),
llmax(mScroller->getContentWindowRect().getHeight(), mContentsRect.getHeight()));
}
else
{
// document size is just extents of reflowed text, reset to origin 0,0
document_rect.set(0,
getLocalRect().getHeight(),
getLocalRect().getWidth(),
llmin(0, getLocalRect().getHeight() - mContentsRect.getHeight()));
}
mDocumentView->setShape(document_rect);
// after making document big enough to hold all the text, move the text to fit in the document
if (!mLineInfoList.empty())
{
S32 delta_pos = mDocumentView->getRect().getHeight() - mLineInfoList.begin()->mRect.mTop - mVPad;
// move line segments to fit new document rect
for (line_list_t::iterator it = mLineInfoList.begin(); it != mLineInfoList.end(); ++it)
{
it->mRect.translate(0, delta_pos);
}
mContentsRect.translate(0, delta_pos);
}
// calculate visible region for diplaying text
updateTextRect();
updateRects();
for (segment_set_t::iterator segment_it = mSegments.begin();
segment_it != mSegments.end();
@ -2081,8 +2029,30 @@ S32 LLTextBase::getEditableIndex(S32 index, bool increasing_direction)
}
}
void LLTextBase::updateTextRect()
void LLTextBase::updateRects()
{
if (mLineInfoList.empty())
{
mContentsRect = LLRect(0, mVPad, mHPad, 0);
}
else
{
mContentsRect = mLineInfoList.begin()->mRect;
for (line_list_t::const_iterator line_iter = ++mLineInfoList.begin();
line_iter != mLineInfoList.end();
++line_iter)
{
mContentsRect.unionWith(line_iter->mRect);
}
mContentsRect.mRight += mHPad;
mContentsRect.mTop += mVPad;
// get around rounding errors when clipping text against rectangle
mContentsRect.stretch(1);
}
LLRect old_text_rect = mTextRect;
mTextRect = mScroller ? mScroller->getContentWindowRect() : getLocalRect();
//FIXME: replace border with image?
@ -2096,6 +2066,37 @@ void LLTextBase::updateTextRect()
{
needsReflow();
}
// change document rect size too
LLRect document_rect;
if (mScroller)
{
// document is size of scroller or size of text contents, whichever is larger
document_rect.setOriginAndSize(0, 0,
mScroller->getContentWindowRect().getWidth(),
llmax(mScroller->getContentWindowRect().getHeight(), mContentsRect.getHeight()));
}
else
{
// document size is just extents of reflowed text, reset to origin 0,0
document_rect.set(0,
getLocalRect().getHeight(),
getLocalRect().getWidth(),
llmin(0, getLocalRect().getHeight() - mContentsRect.getHeight()));
}
mDocumentView->setShape(document_rect);
// after making document big enough to hold all the text, move the text to fit in the document
if (!mLineInfoList.empty())
{
S32 delta_pos = mDocumentView->getRect().getHeight() - mLineInfoList.begin()->mRect.mTop - mVPad;
// move line segments to fit new document rect
for (line_list_t::iterator it = mLineInfoList.begin(); it != mLineInfoList.end(); ++it)
{
it->mRect.translate(0, delta_pos);
}
mContentsRect.translate(0, delta_pos);
}
}

2
indra/llui/lltextbase.h
View File

@ -294,7 +294,7 @@ protected:
void endSelection();
// misc
void updateTextRect();
void updateRects();
void needsReflow() { mReflowNeeded = TRUE; }
void needsScroll() { mScrollNeeded = TRUE; }
void replaceUrlLabel(const std::string &url, const std::string &label);

2
indra/llui/lltexteditor.cpp
View File

@ -273,7 +273,7 @@ LLTextEditor::LLTextEditor(const LLTextEditor::Params& p) :
if (mShowLineNumbers)
{
mHPad += UI_TEXTEDITOR_LINE_NUMBER_MARGIN;
updateTextRect();
updateRects();
}
}