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-rw-r--r--indra/llui/lltextbase.cpp197
1 files changed, 110 insertions, 87 deletions
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index fcfdd64e6a..82a3c01c6d 100644
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -361,95 +361,113 @@ void LLTextBase::onValueChange(S32 start, S32 end)
{
}
-
-// Draws the black box behind the selected text
-void LLTextBase::drawSelectionBackground()
+std::vector<LLRect> LLTextBase::getSelctionRects()
{
- // Draw selection even if we don't have keyboard focus for search/replace
- if( hasSelection() && !mLineInfoList.empty())
- {
- std::vector<LLRect> selection_rects;
+ // Nor supposed to be called without selection
+ llassert(hasSelection());
+ llassert(!mLineInfoList.empty());
- S32 selection_left = llmin( mSelectionStart, mSelectionEnd );
- S32 selection_right = llmax( mSelectionStart, mSelectionEnd );
+ std::vector<LLRect> selection_rects;
- // Skip through the lines we aren't drawing.
- LLRect content_display_rect = getVisibleDocumentRect();
+ S32 selection_left = llmin(mSelectionStart, mSelectionEnd);
+ S32 selection_right = llmax(mSelectionStart, mSelectionEnd);
- // binary search for line that starts before top of visible buffer
- line_list_t::const_iterator line_iter = std::lower_bound(mLineInfoList.begin(), mLineInfoList.end(), content_display_rect.mTop, compare_bottom());
- line_list_t::const_iterator end_iter = std::upper_bound(mLineInfoList.begin(), mLineInfoList.end(), content_display_rect.mBottom, compare_top());
+ // Skip through the lines we aren't drawing.
+ LLRect content_display_rect = getVisibleDocumentRect();
- bool done = false;
+ // binary search for line that starts before top of visible buffer
+ line_list_t::const_iterator line_iter = std::lower_bound(mLineInfoList.begin(), mLineInfoList.end(), content_display_rect.mTop, compare_bottom());
+ line_list_t::const_iterator end_iter = std::upper_bound(mLineInfoList.begin(), mLineInfoList.end(), content_display_rect.mBottom, compare_top());
- // Find the coordinates of the selected area
- for (;line_iter != end_iter && !done; ++line_iter)
- {
- // is selection visible on this line?
- if (line_iter->mDocIndexEnd > selection_left && line_iter->mDocIndexStart < selection_right)
- {
- segment_set_t::iterator segment_iter;
- S32 segment_offset;
- getSegmentAndOffset(line_iter->mDocIndexStart, &segment_iter, &segment_offset);
-
- LLRect selection_rect;
- selection_rect.mLeft = line_iter->mRect.mLeft;
- selection_rect.mRight = line_iter->mRect.mLeft;
- selection_rect.mBottom = line_iter->mRect.mBottom;
- selection_rect.mTop = line_iter->mRect.mTop;
-
- for(;segment_iter != mSegments.end(); ++segment_iter, segment_offset = 0)
- {
- LLTextSegmentPtr segmentp = *segment_iter;
+ bool done = false;
- S32 segment_line_start = segmentp->getStart() + segment_offset;
- S32 segment_line_end = llmin(segmentp->getEnd(), line_iter->mDocIndexEnd);
+ // Find the coordinates of the selected area
+ for (; line_iter != end_iter && !done; ++line_iter)
+ {
+ // is selection visible on this line?
+ if (line_iter->mDocIndexEnd > selection_left && line_iter->mDocIndexStart < selection_right)
+ {
+ segment_set_t::iterator segment_iter;
+ S32 segment_offset;
+ getSegmentAndOffset(line_iter->mDocIndexStart, &segment_iter, &segment_offset);
- if (segment_line_start > segment_line_end) break;
+ // Use F32 otherwise a string of multiple segments
+ // will accumulate a large error
+ F32 left_precise = line_iter->mRect.mLeft;
+ F32 right_precise = line_iter->mRect.mLeft;
- S32 segment_width = 0;
- S32 segment_height = 0;
+ for (; segment_iter != mSegments.end(); ++segment_iter, segment_offset = 0)
+ {
+ LLTextSegmentPtr segmentp = *segment_iter;
- // if selection after beginning of segment
- if(selection_left >= segment_line_start)
- {
- S32 num_chars = llmin(selection_left, segment_line_end) - segment_line_start;
- segmentp->getDimensions(segment_offset, num_chars, segment_width, segment_height);
- selection_rect.mLeft += segment_width;
- }
+ S32 segment_line_start = segmentp->getStart() + segment_offset;
+ S32 segment_line_end = llmin(segmentp->getEnd(), line_iter->mDocIndexEnd);
- // if selection_right == segment_line_end then that means we are the first character of the next segment
- // or first character of the next line, in either case we want to add the length of the current segment
- // to the selection rectangle and continue.
- // if selection right > segment_line_end then selection spans end of current segment...
- if (selection_right >= segment_line_end)
- {
- // extend selection slightly beyond end of line
- // to indicate selection of newline character (use "n" character to determine width)
- S32 num_chars = segment_line_end - segment_line_start;
- segmentp->getDimensions(segment_offset, num_chars, segment_width, segment_height);
- selection_rect.mRight += segment_width;
- }
- // else if selection ends on current segment...
- else
- {
- S32 num_chars = selection_right - segment_line_start;
- segmentp->getDimensions(segment_offset, num_chars, segment_width, segment_height);
- selection_rect.mRight += segment_width;
+ if (segment_line_start > segment_line_end) break;
- break;
- }
- }
- selection_rects.push_back(selection_rect);
- }
- }
+ F32 segment_width = 0;
+ S32 segment_height = 0;
+
+ // if selection after beginning of segment
+ if (selection_left >= segment_line_start)
+ {
+ S32 num_chars = llmin(selection_left, segment_line_end) - segment_line_start;
+ segmentp->getDimensionsF32(segment_offset, num_chars, segment_width, segment_height);
+ left_precise += segment_width;
+ }
+
+ // if selection_right == segment_line_end then that means we are the first character of the next segment
+ // or first character of the next line, in either case we want to add the length of the current segment
+ // to the selection rectangle and continue.
+ // if selection right > segment_line_end then selection spans end of current segment...
+ if (selection_right >= segment_line_end)
+ {
+ // extend selection slightly beyond end of line
+ // to indicate selection of newline character (use "n" character to determine width)
+ S32 num_chars = segment_line_end - segment_line_start;
+ segmentp->getDimensionsF32(segment_offset, num_chars, segment_width, segment_height);
+ right_precise += segment_width;
+ }
+ // else if selection ends on current segment...
+ else
+ {
+ S32 num_chars = selection_right - segment_line_start;
+ segmentp->getDimensionsF32(segment_offset, num_chars, segment_width, segment_height);
+ right_precise += segment_width;
+
+ break;
+ }
+ }
+
+ LLRect selection_rect;
+ selection_rect.mLeft = left_precise;
+ selection_rect.mRight = right_precise;
+ selection_rect.mBottom = line_iter->mRect.mBottom;
+ selection_rect.mTop = line_iter->mRect.mTop;
+
+ selection_rects.push_back(selection_rect);
+ }
+ }
+
+ return selection_rects;
+}
+
+// Draws the black box behind the selected text
+void LLTextBase::drawSelectionBackground()
+{
+ // Draw selection even if we don't have keyboard focus for search/replace
+ if (hasSelection() && !mLineInfoList.empty())
+ {
+ std::vector<LLRect> selection_rects = getSelctionRects();
// Draw the selection box (we're using a box instead of reversing the colors on the selected text).
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
const LLColor4& color = mSelectedBGColor;
F32 alpha = hasFocus() ? 0.7f : 0.3f;
alpha *= getDrawContext().mAlpha;
+
LLColor4 selection_color(color.mV[VRED], color.mV[VGREEN], color.mV[VBLUE], alpha);
+ LLRect content_display_rect = getVisibleDocumentRect();
for (std::vector<LLRect>::iterator rect_it = selection_rects.begin();
rect_it != selection_rects.end();
@@ -2557,7 +2575,7 @@ S32 LLTextBase::getDocIndexFromLocalCoord( S32 local_x, S32 local_y, BOOL round,
}
S32 pos = getLength();
- S32 start_x = line_iter->mRect.mLeft + doc_rect.mLeft;
+ F32 start_x = line_iter->mRect.mLeft + doc_rect.mLeft;
segment_set_t::iterator line_seg_iter;
S32 line_seg_offset;
@@ -2569,8 +2587,9 @@ S32 LLTextBase::getDocIndexFromLocalCoord( S32 local_x, S32 local_y, BOOL round,
S32 segment_line_start = segmentp->getStart() + line_seg_offset;
S32 segment_line_length = llmin(segmentp->getEnd(), line_iter->mDocIndexEnd) - segment_line_start;
- S32 text_width, text_height;
- bool newline = segmentp->getDimensions(line_seg_offset, segment_line_length, text_width, text_height);
+ F32 text_width;
+ S32 text_height;
+ bool newline = segmentp->getDimensionsF32(line_seg_offset, segment_line_length, text_width, text_height);
if(newline)
{
@@ -2590,8 +2609,9 @@ S32 LLTextBase::getDocIndexFromLocalCoord( S32 local_x, S32 local_y, BOOL round,
S32 offset;
if (!segmentp->canEdit())
{
- S32 segment_width, segment_height;
- segmentp->getDimensions(0, segmentp->getEnd() - segmentp->getStart(), segment_width, segment_height);
+ F32 segment_width;
+ S32 segment_height;
+ segmentp->getDimensionsF32(0, segmentp->getEnd() - segmentp->getStart(), segment_width, segment_height);
if (round && local_x - start_x > segment_width / 2)
{
offset = segment_line_length;
@@ -2638,17 +2658,11 @@ LLRect LLTextBase::getDocRectFromDocIndex(S32 pos) const
return LLRect();
}
- LLRect doc_rect;
-
// clamp pos to valid values
pos = llclamp(pos, 0, mLineInfoList.back().mDocIndexEnd - 1);
line_list_t::const_iterator line_iter = std::upper_bound(mLineInfoList.begin(), mLineInfoList.end(), pos, line_end_compare());
- doc_rect.mLeft = line_iter->mRect.mLeft;
- doc_rect.mBottom = line_iter->mRect.mBottom;
- doc_rect.mTop = line_iter->mRect.mTop;
-
segment_set_t::iterator line_seg_iter;
S32 line_seg_offset;
segment_set_t::iterator cursor_seg_iter;
@@ -2656,6 +2670,8 @@ LLRect LLTextBase::getDocRectFromDocIndex(S32 pos) const
getSegmentAndOffset(line_iter->mDocIndexStart, &line_seg_iter, &line_seg_offset);
getSegmentAndOffset(pos, &cursor_seg_iter, &cursor_seg_offset);
+ F32 doc_left_precise = line_iter->mRect.mLeft;
+
while(line_seg_iter != mSegments.end())
{
const LLTextSegmentPtr segmentp = *line_seg_iter;
@@ -2663,18 +2679,20 @@ LLRect LLTextBase::getDocRectFromDocIndex(S32 pos) const
if (line_seg_iter == cursor_seg_iter)
{
// cursor advanced to right based on difference in offset of cursor to start of line
- S32 segment_width, segment_height;
- segmentp->getDimensions(line_seg_offset, cursor_seg_offset - line_seg_offset, segment_width, segment_height);
- doc_rect.mLeft += segment_width;
+ F32 segment_width;
+ S32 segment_height;
+ segmentp->getDimensionsF32(line_seg_offset, cursor_seg_offset - line_seg_offset, segment_width, segment_height);
+ doc_left_precise += segment_width;
break;
}
else
{
// add remainder of current text segment to cursor position
- S32 segment_width, segment_height;
- segmentp->getDimensions(line_seg_offset, (segmentp->getEnd() - segmentp->getStart()) - line_seg_offset, segment_width, segment_height);
- doc_rect.mLeft += segment_width;
+ F32 segment_width;
+ S32 segment_height;
+ segmentp->getDimensionsF32(line_seg_offset, (segmentp->getEnd() - segmentp->getStart()) - line_seg_offset, segment_width, segment_height);
+ doc_left_precise += segment_width;
// offset will be 0 for all segments after the first
line_seg_offset = 0;
// go to next text segment on this line
@@ -2682,6 +2700,11 @@ LLRect LLTextBase::getDocRectFromDocIndex(S32 pos) const
}
}
+ LLRect doc_rect;
+ doc_rect.mLeft = doc_left_precise;
+ doc_rect.mBottom = line_iter->mRect.mBottom;
+ doc_rect.mTop = line_iter->mRect.mTop;
+
// set rect to 0 width
doc_rect.mRight = doc_rect.mLeft;