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-rw-r--r--indra/llui/lltextbase.cpp317
1 files changed, 189 insertions, 128 deletions
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index 6c048aa908..62f03f47e6 100644
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -209,7 +209,8 @@ LLTextBase::LLTextBase(const LLTextBase::Params &p)
mWordWrap(p.wrap),
mUseEllipses( p.use_ellipses ),
mParseHTML(p.allow_html),
- mParseHighlights(p.parse_highlights)
+ mParseHighlights(p.parse_highlights),
+ mHideScrollbar(p.hide_scrollbar)
{
LLScrollContainer::Params scroll_params;
scroll_params.name = "text scroller";
@@ -278,7 +279,9 @@ bool LLTextBase::truncate()
// Truncate safely in UTF-8
std::string temp_utf8_text = wstring_to_utf8str(text);
temp_utf8_text = utf8str_truncate( temp_utf8_text, mMaxTextByteLength );
- getViewModel()->setDisplay(utf8str_to_wstring( temp_utf8_text ));
+ LLWString text = utf8str_to_wstring( temp_utf8_text );
+ // remove extra bit of current string, to preserve formatting, etc.
+ removeStringNoUndo(text.size(), getWText().size() - text.size());
did_truncate = TRUE;
}
}
@@ -755,47 +758,60 @@ void LLTextBase::insertSegment(LLTextSegmentPtr segment_to_insert)
// split old at start point for new segment
cur_segmentp->setEnd(segment_to_insert->getStart());
// advance to next segment
- ++cur_seg_iter;
// insert remainder of old segment
LLTextSegmentPtr remainder_segment = new LLNormalTextSegment( cur_segmentp->getStyle(), segment_to_insert->getStart(), old_segment_end, *this);
- cur_seg_iter = mSegments.insert(cur_seg_iter, remainder_segment);
+ mSegments.insert(cur_seg_iter, remainder_segment);
remainder_segment->linkToDocument(this);
// insert new segment before remainder of old segment
- cur_seg_iter = mSegments.insert(cur_seg_iter, segment_to_insert);
+ mSegments.insert(cur_seg_iter, segment_to_insert);
segment_to_insert->linkToDocument(this);
- // move to "remanider" segment and start truncation there
- ++cur_seg_iter;
+ // at this point, there will be two overlapping segments owning the text
+ // associated with the incoming segment
}
else
{
- cur_seg_iter = mSegments.insert(cur_seg_iter, segment_to_insert);
- ++cur_seg_iter;
+ mSegments.insert(cur_seg_iter, segment_to_insert);
segment_to_insert->linkToDocument(this);
}
// now delete/truncate remaining segments as necessary
+ // cur_seg_iter points to segment before incoming segment
while(cur_seg_iter != mSegments.end())
{
cur_segmentp = *cur_seg_iter;
- if (cur_segmentp->getEnd() <= segment_to_insert->getEnd())
+ if (cur_segmentp == segment_to_insert)
{
- cur_segmentp->unlinkFromDocument(this);
- segment_set_t::iterator seg_to_erase(cur_seg_iter++);
- mSegments.erase(seg_to_erase);
+ ++cur_seg_iter;
+ continue;
}
- else
+
+ if (cur_segmentp->getStart() >= segment_to_insert->getStart())
{
- cur_segmentp->setStart(segment_to_insert->getEnd());
- break;
+ if(cur_segmentp->getEnd() <= segment_to_insert->getEnd())
+ {
+ cur_segmentp->unlinkFromDocument(this);
+ // grab copy of iterator to erase, and bump it
+ segment_set_t::iterator seg_to_erase(cur_seg_iter++);
+ mSegments.erase(seg_to_erase);
+ continue;
+ }
+ else
+ {
+ // last overlapping segment, clip to end of incoming segment
+ // and stop traversal
+ cur_segmentp->setStart(segment_to_insert->getEnd());
+ break;
+ }
}
+ ++cur_seg_iter;
}
}
}
BOOL LLTextBase::handleMouseDown(S32 x, S32 y, MASK mask)
{
- LLTextSegment* cur_segment = getSegmentAtLocalPos(x, y);
+ LLTextSegmentPtr cur_segment = getSegmentAtLocalPos(x, y);
if (cur_segment && cur_segment->handleMouseDown(x, y, mask))
{
return TRUE;
@@ -806,7 +822,7 @@ BOOL LLTextBase::handleMouseDown(S32 x, S32 y, MASK mask)
BOOL LLTextBase::handleMouseUp(S32 x, S32 y, MASK mask)
{
- LLTextSegment* cur_segment = getSegmentAtLocalPos(x, y);
+ LLTextSegmentPtr cur_segment = getSegmentAtLocalPos(x, y);
if (cur_segment && cur_segment->handleMouseUp(x, y, mask))
{
// Did we just click on a link?
@@ -824,7 +840,7 @@ BOOL LLTextBase::handleMouseUp(S32 x, S32 y, MASK mask)
BOOL LLTextBase::handleMiddleMouseDown(S32 x, S32 y, MASK mask)
{
- LLTextSegment* cur_segment = getSegmentAtLocalPos(x, y);
+ LLTextSegmentPtr cur_segment = getSegmentAtLocalPos(x, y);
if (cur_segment && cur_segment->handleMiddleMouseDown(x, y, mask))
{
return TRUE;
@@ -835,7 +851,7 @@ BOOL LLTextBase::handleMiddleMouseDown(S32 x, S32 y, MASK mask)
BOOL LLTextBase::handleMiddleMouseUp(S32 x, S32 y, MASK mask)
{
- LLTextSegment* cur_segment = getSegmentAtLocalPos(x, y);
+ LLTextSegmentPtr cur_segment = getSegmentAtLocalPos(x, y);
if (cur_segment && cur_segment->handleMiddleMouseUp(x, y, mask))
{
return TRUE;
@@ -846,7 +862,7 @@ BOOL LLTextBase::handleMiddleMouseUp(S32 x, S32 y, MASK mask)
BOOL LLTextBase::handleRightMouseDown(S32 x, S32 y, MASK mask)
{
- LLTextSegment* cur_segment = getSegmentAtLocalPos(x, y);
+ LLTextSegmentPtr cur_segment = getSegmentAtLocalPos(x, y);
if (cur_segment && cur_segment->handleRightMouseDown(x, y, mask))
{
return TRUE;
@@ -857,7 +873,7 @@ BOOL LLTextBase::handleRightMouseDown(S32 x, S32 y, MASK mask)
BOOL LLTextBase::handleRightMouseUp(S32 x, S32 y, MASK mask)
{
- LLTextSegment* cur_segment = getSegmentAtLocalPos(x, y);
+ LLTextSegmentPtr cur_segment = getSegmentAtLocalPos(x, y);
if (cur_segment && cur_segment->handleRightMouseUp(x, y, mask))
{
return TRUE;
@@ -868,7 +884,7 @@ BOOL LLTextBase::handleRightMouseUp(S32 x, S32 y, MASK mask)
BOOL LLTextBase::handleDoubleClick(S32 x, S32 y, MASK mask)
{
- LLTextSegment* cur_segment = getSegmentAtLocalPos(x, y);
+ LLTextSegmentPtr cur_segment = getSegmentAtLocalPos(x, y);
if (cur_segment && cur_segment->handleDoubleClick(x, y, mask))
{
return TRUE;
@@ -879,7 +895,7 @@ BOOL LLTextBase::handleDoubleClick(S32 x, S32 y, MASK mask)
BOOL LLTextBase::handleHover(S32 x, S32 y, MASK mask)
{
- LLTextSegment* cur_segment = getSegmentAtLocalPos(x, y);
+ LLTextSegmentPtr cur_segment = getSegmentAtLocalPos(x, y);
if (cur_segment && cur_segment->handleHover(x, y, mask))
{
return TRUE;
@@ -890,7 +906,7 @@ BOOL LLTextBase::handleHover(S32 x, S32 y, MASK mask)
BOOL LLTextBase::handleScrollWheel(S32 x, S32 y, S32 clicks)
{
- LLTextSegment* cur_segment = getSegmentAtLocalPos(x, y);
+ LLTextSegmentPtr cur_segment = getSegmentAtLocalPos(x, y);
if (cur_segment && cur_segment->handleScrollWheel(x, y, clicks))
{
return TRUE;
@@ -901,7 +917,7 @@ BOOL LLTextBase::handleScrollWheel(S32 x, S32 y, S32 clicks)
BOOL LLTextBase::handleToolTip(S32 x, S32 y, MASK mask)
{
- LLTextSegment* cur_segment = getSegmentAtLocalPos(x, y);
+ LLTextSegmentPtr cur_segment = getSegmentAtLocalPos(x, y);
if (cur_segment && cur_segment->handleToolTip(x, y, mask))
{
return TRUE;
@@ -1040,109 +1056,106 @@ void LLTextBase::reflow(S32 start_index)
S32 cur_top = 0;
- if (getLength())
+ segment_set_t::iterator seg_iter = mSegments.begin();
+ S32 seg_offset = 0;
+ S32 line_start_index = 0;
+ const S32 text_width = mTextRect.getWidth(); // optionally reserve room for margin
+ S32 remaining_pixels = text_width;
+ LLWString text(getWText());
+ S32 line_count = 0;
+
+ // find and erase line info structs starting at start_index and going to end of document
+ if (!mLineInfoList.empty())
{
- segment_set_t::iterator seg_iter = mSegments.begin();
- S32 seg_offset = 0;
- S32 line_start_index = 0;
- const S32 text_width = mTextRect.getWidth(); // optionally reserve room for margin
- S32 remaining_pixels = text_width;
- LLWString text(getWText());
- S32 line_count = 0;
-
- // find and erase line info structs starting at start_index and going to end of document
- if (!mLineInfoList.empty())
- {
- // find first element whose end comes after start_index
- line_list_t::iterator iter = std::upper_bound(mLineInfoList.begin(), mLineInfoList.end(), start_index, line_end_compare());
- line_start_index = iter->mDocIndexStart;
- line_count = iter->mLineNum;
- getSegmentAndOffset(iter->mDocIndexStart, &seg_iter, &seg_offset);
- mLineInfoList.erase(iter, mLineInfoList.end());
- }
+ // find first element whose end comes after start_index
+ line_list_t::iterator iter = std::upper_bound(mLineInfoList.begin(), mLineInfoList.end(), start_index, line_end_compare());
+ line_start_index = iter->mDocIndexStart;
+ line_count = iter->mLineNum;
+ getSegmentAndOffset(iter->mDocIndexStart, &seg_iter, &seg_offset);
+ mLineInfoList.erase(iter, mLineInfoList.end());
+ }
- S32 line_height = 0;
+ S32 line_height = 0;
- while(seg_iter != mSegments.end())
+ while(seg_iter != mSegments.end())
+ {
+ LLTextSegmentPtr segment = *seg_iter;
+
+ // track maximum height of any segment on this line
+ line_height = llmax(line_height, segment->getMaxHeight());
+ S32 cur_index = segment->getStart() + seg_offset;
+ // find run of text from this segment that we can display on one line
+ S32 end_index = cur_index;
+ while(end_index < segment->getEnd() && text[end_index] != '\n')
{
- LLTextSegmentPtr segment = *seg_iter;
-
- // track maximum height of any segment on this line
- line_height = llmax(line_height, segment->getMaxHeight());
- S32 cur_index = segment->getStart() + seg_offset;
- // find run of text from this segment that we can display on one line
- S32 end_index = cur_index;
- while(end_index < segment->getEnd() && text[end_index] != '\n')
- {
- ++end_index;
- }
-
- // ask segment how many character fit in remaining space
- S32 max_characters = end_index - cur_index;
- S32 character_count = segment->getNumChars(getWordWrap() ? llmax(0, remaining_pixels) : S32_MAX,
- seg_offset,
- cur_index - line_start_index,
- max_characters);
-
+ ++end_index;
+ }
- S32 segment_width = segment->getWidth(seg_offset, character_count);
- remaining_pixels -= segment_width;
- S32 text_left = getLeftOffset(text_width - remaining_pixels);
+ // ask segment how many character fit in remaining space
+ S32 max_characters = end_index - cur_index;
+ S32 character_count = segment->getNumChars(getWordWrap() ? llmax(0, remaining_pixels) : S32_MAX,
+ seg_offset,
+ cur_index - line_start_index,
+ max_characters);
+
- seg_offset += character_count;
+ S32 segment_width = segment->getWidth(seg_offset, character_count);
+ remaining_pixels -= segment_width;
+ S32 text_left = getLeftOffset(text_width - remaining_pixels);
- S32 last_segment_char_on_line = segment->getStart() + seg_offset;
+ seg_offset += character_count;
- // if we didn't finish the current segment...
- if (last_segment_char_on_line < segment->getEnd())
- {
- // set up index for next line
- // ...skip newline, we don't want to draw
- S32 next_line_count = line_count;
- if (text[last_segment_char_on_line] == '\n')
- {
- seg_offset++;
- last_segment_char_on_line++;
- next_line_count++;
- }
+ S32 last_segment_char_on_line = segment->getStart() + seg_offset;
- // add line info and keep going
- mLineInfoList.push_back(line_info(
- line_start_index,
- last_segment_char_on_line,
- LLRect(text_left,
- cur_top,
- text_left + (text_width - remaining_pixels),
- cur_top - line_height),
- line_count));
-
- line_start_index = segment->getStart() + seg_offset;
- cur_top -= llround((F32)line_height * mLineSpacingMult) + mLineSpacingPixels;
- remaining_pixels = text_width;
- line_height = 0;
- line_count = next_line_count;
- }
- // ...just consumed last segment..
- else if (++segment_set_t::iterator(seg_iter) == mSegments.end())
- {
- mLineInfoList.push_back(line_info(
- line_start_index,
- last_segment_char_on_line,
- LLRect(text_left,
- cur_top,
- text_left + (text_width - remaining_pixels),
- cur_top - line_height),
- line_count));
- cur_top -= llround((F32)line_height * mLineSpacingMult) + mLineSpacingPixels;
- break;
- }
- // finished a segment and there are segments remaining on this line
- else
+ // if we didn't finish the current segment...
+ if (last_segment_char_on_line < segment->getEnd())
+ {
+ // set up index for next line
+ // ...skip newline, we don't want to draw
+ S32 next_line_count = line_count;
+ if (text[last_segment_char_on_line] == '\n')
{
- // subtract pixels used and increment segment
- ++seg_iter;
- seg_offset = 0;
+ seg_offset++;
+ last_segment_char_on_line++;
+ next_line_count++;
}
+
+ // add line info and keep going
+ mLineInfoList.push_back(line_info(
+ line_start_index,
+ last_segment_char_on_line,
+ LLRect(text_left,
+ cur_top,
+ text_left + (text_width - remaining_pixels),
+ cur_top - line_height),
+ line_count));
+
+ line_start_index = segment->getStart() + seg_offset;
+ cur_top -= llround((F32)line_height * mLineSpacingMult) + mLineSpacingPixels;
+ remaining_pixels = text_width;
+ line_height = 0;
+ line_count = next_line_count;
+ }
+ // ...just consumed last segment..
+ else if (++segment_set_t::iterator(seg_iter) == mSegments.end())
+ {
+ mLineInfoList.push_back(line_info(
+ line_start_index,
+ last_segment_char_on_line,
+ LLRect(text_left,
+ cur_top,
+ text_left + (text_width - remaining_pixels),
+ cur_top - line_height),
+ line_count));
+ cur_top -= llround((F32)line_height * mLineSpacingMult) + mLineSpacingPixels;
+ break;
+ }
+ // finished a segment and there are segments remaining on this line
+ else
+ {
+ // subtract pixels used and increment segment
+ ++seg_iter;
+ seg_offset = 0;
}
}
@@ -1256,6 +1269,19 @@ S32 LLTextBase::getLineStart( S32 line ) const
return mLineInfoList[line].mDocIndexStart;
}
+S32 LLTextBase::getLineEnd( S32 line ) const
+{
+ S32 num_lines = getLineCount();
+ if (num_lines == 0)
+ {
+ return 0;
+ }
+
+ line = llclamp(line, 0, num_lines-1);
+ return mLineInfoList[line].mDocIndexEnd;
+}
+
+
S32 LLTextBase::getLineNumFromDocIndex( S32 doc_index, bool include_wordwrap) const
{
@@ -1308,14 +1334,27 @@ S32 LLTextBase::getFirstVisibleLine() const
return iter - mLineInfoList.begin();
}
-std::pair<S32, S32> LLTextBase::getVisibleLines() const
+std::pair<S32, S32> LLTextBase::getVisibleLines(bool fully_visible)
{
LLRect visible_region = mScroller->getVisibleContentRect();
+ line_list_t::const_iterator first_iter;
+ line_list_t::const_iterator last_iter;
- // binary search for line that starts before top of visible buffer and starts before end of visible buffer
- line_list_t::const_iterator first_iter = std::lower_bound(mLineInfoList.begin(), mLineInfoList.end(), visible_region.mTop, compare_bottom());
- line_list_t::const_iterator last_iter = std::lower_bound(mLineInfoList.begin(), mLineInfoList.end(), visible_region.mBottom, compare_top());
+ // make sure we have an up-to-date mLineInfoList
+ reflow();
+ if (fully_visible)
+ {
+ // binary search for line that starts before top of visible buffer and starts before end of visible buffer
+ first_iter = std::lower_bound(mLineInfoList.begin(), mLineInfoList.end(), visible_region.mTop, compare_top());
+ last_iter = std::lower_bound(mLineInfoList.begin(), mLineInfoList.end(), visible_region.mBottom, compare_bottom());
+ }
+ else
+ {
+ // binary search for line that starts before top of visible buffer and starts before end of visible buffer
+ first_iter = std::lower_bound(mLineInfoList.begin(), mLineInfoList.end(), visible_region.mTop, compare_bottom());
+ last_iter = std::lower_bound(mLineInfoList.begin(), mLineInfoList.end(), visible_region.mBottom, compare_top());
+ }
return std::pair<S32, S32>(first_iter - mLineInfoList.begin(), last_iter - mLineInfoList.begin());
}
@@ -2147,7 +2186,15 @@ F32 LLNormalTextSegment::drawClippedSegment(S32 seg_start, S32 seg_end, S32 sele
S32 start = seg_start;
S32 end = llmin( selection_start, seg_end );
S32 length = end - start;
- font->render(text, start, rect.mLeft, rect.mTop, color, LLFontGL::LEFT, LLFontGL::TOP, 0, mStyle->getShadowType(), length, rect.getWidth(), &right_x, mEditor.getUseEllipses());
+ font->render(text, start,
+ rect.mLeft, rect.mTop,
+ color,
+ LLFontGL::LEFT, LLFontGL::TOP,
+ 0,
+ mStyle->getShadowType(),
+ length, rect.getWidth(),
+ &right_x,
+ mEditor.getUseEllipses());
}
rect.mLeft = (S32)ceil(right_x);
@@ -2158,9 +2205,15 @@ F32 LLNormalTextSegment::drawClippedSegment(S32 seg_start, S32 seg_end, S32 sele
S32 end = llmin( selection_end, seg_end );
S32 length = end - start;
- font->render(text, start, rect.mLeft, rect.mTop,
- LLColor4( 1.f - color.mV[0], 1.f - color.mV[1], 1.f - color.mV[2], 1.f ),
- LLFontGL::LEFT, LLFontGL::TOP, 0, LLFontGL::NO_SHADOW, length, rect.mRight, &right_x, mEditor.getUseEllipses());
+ font->render(text, start,
+ rect.mLeft, rect.mTop,
+ LLColor4( 1.f - color.mV[0], 1.f - color.mV[1], 1.f - color.mV[2], 1.f ),
+ LLFontGL::LEFT, LLFontGL::TOP,
+ 0,
+ LLFontGL::NO_SHADOW,
+ length, rect.mRight,
+ &right_x,
+ mEditor.getUseEllipses());
}
rect.mLeft = (S32)ceil(right_x);
if( selection_end < seg_end )
@@ -2169,7 +2222,15 @@ F32 LLNormalTextSegment::drawClippedSegment(S32 seg_start, S32 seg_end, S32 sele
S32 start = llmax( selection_end, seg_start );
S32 end = seg_end;
S32 length = end - start;
- font->render(text, start, rect.mLeft, rect.mTop, color, LLFontGL::LEFT, LLFontGL::TOP, 0, mStyle->getShadowType(), length, rect.mRight, &right_x, mEditor.getUseEllipses());
+ font->render(text, start,
+ rect.mLeft, rect.mTop,
+ color,
+ LLFontGL::LEFT, LLFontGL::TOP,
+ 0,
+ mStyle->getShadowType(),
+ length, rect.mRight,
+ &right_x,
+ mEditor.getUseEllipses());
}
return right_x;
}
@@ -2263,7 +2324,7 @@ S32 LLNormalTextSegment::getNumChars(S32 num_pixels, S32 segment_offset, S32 lin
S32 num_chars = mStyle->getFont()->maxDrawableChars(text.c_str() + segment_offset + mStart,
(F32)num_pixels,
max_chars,
- mEditor.getWordWrap());
+ TRUE);
if (num_chars == 0
&& line_offset == 0
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-21 03:21:20 +0000