diff options
Diffstat (limited to 'indra/llui/lltextbase.cpp')
-rw-r--r-- | indra/llui/lltextbase.cpp | 282 |
1 files changed, 183 insertions, 99 deletions
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp index 78a6ab1eaa..ab9cd11769 100644 --- a/indra/llui/lltextbase.cpp +++ b/indra/llui/lltextbase.cpp @@ -1562,7 +1562,7 @@ std::string LLTextBase::getText() const return getViewModel()->getValue().asString(); } -void LLTextBase::appendText(const std::string &new_text, bool prepend_newline, const LLStyle::Params& input_params) +void LLTextBase::appendTextImpl(const std::string &new_text, const LLStyle::Params& input_params) { LLStyle::Params style_params(input_params); style_params.fillFrom(getDefaultStyleParams()); @@ -1598,8 +1598,7 @@ void LLTextBase::appendText(const std::string &new_text, bool prepend_newline, c part = (S32)LLTextParser::MIDDLE; } std::string subtext=text.substr(0,start); - appendAndHighlightText(subtext, prepend_newline, part, style_params); - prepend_newline = false; + appendAndHighlightTextImpl(subtext, part, style_params); } // output an optional icon before the Url @@ -1613,19 +1612,18 @@ void LLTextBase::appendText(const std::string &new_text, bool prepend_newline, c // Text will be replaced during rendering with the icon, // but string cannot be empty or the segment won't be // added (or drawn). - appendAndHighlightText(" ", prepend_newline, part, icon); - prepend_newline = false; + appendImageSegment(part, icon); } } // output the styled Url (unless we've been asked to suppress hyperlinking) if (match.isLinkDisabled()) { - appendAndHighlightText(match.getLabel(), prepend_newline, part, style_params); + appendAndHighlightTextImpl(match.getLabel(), part, style_params); } else { - appendAndHighlightText(match.getLabel(), prepend_newline, part, link_params); + appendAndHighlightTextImpl(match.getLabel(), part, link_params); // set the tooltip for the Url label if (! match.getTooltip().empty()) @@ -1638,8 +1636,6 @@ void LLTextBase::appendText(const std::string &new_text, bool prepend_newline, c } } } - prepend_newline = false; - // move on to the rest of the text after the Url if (end < (S32)text.length()) { @@ -1652,13 +1648,41 @@ void LLTextBase::appendText(const std::string &new_text, bool prepend_newline, c break; } } - if (part != (S32)LLTextParser::WHOLE) part=(S32)LLTextParser::END; - if (end < (S32)text.length()) appendAndHighlightText(text, prepend_newline, part, style_params); + if (part != (S32)LLTextParser::WHOLE) + part=(S32)LLTextParser::END; + if (end < (S32)text.length()) + appendAndHighlightTextImpl(text, part, style_params); } else { - appendAndHighlightText(new_text, prepend_newline, part, style_params); + appendAndHighlightTextImpl(new_text, part, style_params); + } +} + +void LLTextBase::appendText(const std::string &new_text, bool prepend_newline, const LLStyle::Params& input_params) +{ + if (new_text.empty()) + return; + + if(prepend_newline) + appendLineBreakSegment(input_params); + std::string::size_type start = 0; + std::string::size_type pos = new_text.find("\n",start); + + while(pos!=-1) + { + if(pos!=start) + { + std::string str = std::string(new_text,start,pos-start); + appendTextImpl(str,input_params); + } + appendLineBreakSegment(input_params); + start = pos+1; + pos = new_text.find("\n",start); } + + std::string str = std::string(new_text,start,new_text.length()-start); + appendTextImpl(str,input_params); } void LLTextBase::needsReflow(S32 index) @@ -1667,10 +1691,28 @@ void LLTextBase::needsReflow(S32 index) mReflowIndex = llmin(mReflowIndex, index); } -void LLTextBase::appendAndHighlightText(const std::string &new_text, bool prepend_newline, S32 highlight_part, const LLStyle::Params& style_params) +void LLTextBase::appendLineBreakSegment(const LLStyle::Params& style_params) { - if (new_text.empty()) return; + segment_vec_t segments; + LLStyleConstSP sp(new LLStyle(style_params)); + segments.push_back(new LLLineBreakTextSegment(sp, getLength())); + insertStringNoUndo(getLength(), utf8str_to_wstring("\n"), &segments); +} + +void LLTextBase::appendImageSegment(S32 highlight_part, const LLStyle::Params& style_params) +{ + segment_vec_t segments; + LLStyleConstSP sp(new LLStyle(style_params)); + segments.push_back(new LLImageTextSegment(sp, getLength(),*this)); + + insertStringNoUndo(getLength(), utf8str_to_wstring(" "), &segments); +} + + + +void LLTextBase::appendAndHighlightTextImpl(const std::string &new_text, S32 highlight_part, const LLStyle::Params& style_params) +{ // Save old state S32 selection_start = mSelectionStart; S32 selection_end = mSelectionEnd; @@ -1698,14 +1740,8 @@ void LLTextBase::appendAndHighlightText(const std::string &new_text, bool prepen highlight_params.color = lcolor; LLWString wide_text; - if (prepend_newline && (i == 0 || pieces.size() <= 1 )) - { - wide_text = utf8str_to_wstring(std::string("\n") + pieces[i]["text"].asString()); - } - else - { - wide_text = utf8str_to_wstring(pieces[i]["text"].asString()); - } + wide_text = utf8str_to_wstring(pieces[i]["text"].asString()); + S32 cur_length = getLength(); LLStyleConstSP sp(new LLStyle(highlight_params)); LLTextSegmentPtr segmentp = new LLNormalTextSegment(sp, cur_length, cur_length + wide_text.size(), *this); @@ -1717,17 +1753,7 @@ void LLTextBase::appendAndHighlightText(const std::string &new_text, bool prepen else { LLWString wide_text; - - // Add carriage return if not first line - if (getLength() != 0 - && prepend_newline) - { - wide_text = utf8str_to_wstring(std::string("\n") + new_text); - } - else - { - wide_text = utf8str_to_wstring(new_text); - } + wide_text = utf8str_to_wstring(new_text); segment_vec_t segments; S32 segment_start = old_length; @@ -1755,11 +1781,32 @@ void LLTextBase::appendAndHighlightText(const std::string &new_text, bool prepen { setCursorPos(cursor_pos); } +} + +void LLTextBase::appendAndHighlightText(const std::string &new_text, bool prepend_newline, S32 highlight_part, const LLStyle::Params& style_params) +{ + if (new_text.empty()) return; + + if(prepend_newline) + appendLineBreakSegment(style_params); + + std::string::size_type start = 0; + std::string::size_type pos = new_text.find("\n",start); + + while(pos!=-1) + { + if(pos!=start) + { + std::string str = std::string(new_text,start,pos-start); + appendAndHighlightTextImpl(str,highlight_part, style_params); + } + appendLineBreakSegment(style_params); + start = pos+1; + pos = new_text.find("\n",start); + } - //if( !allow_undo ) - //{ - // blockUndo(); - //} + std::string str = std::string(new_text,start,new_text.length()-start); + appendAndHighlightTextImpl(str,highlight_part, style_params); } @@ -1852,14 +1899,19 @@ S32 LLTextBase::getDocIndexFromLocalCoord( S32 local_x, S32 local_y, BOOL round, S32 text_width, text_height; bool newline = segmentp->getDimensions(line_seg_offset, segment_line_length, text_width, text_height); + if(newline) + { + pos = segment_line_start + segmentp->getOffset(local_x - start_x, line_seg_offset, segment_line_length, round); + break; + } + // if we've reached a line of text *below* the mouse cursor, doc index is first character on that line if (hit_past_end_of_line && local_y - mVisibleTextRect.mBottom + visible_region.mBottom > line_iter->mRect.mTop) { pos = segment_line_start; break; } - if (local_x < start_x + text_width // cursor to left of right edge of text - || newline) // or this line ends with a newline, set doc pos to newline char + if (local_x < start_x + text_width) // cursor to left of right edge of text { // Figure out which character we're nearest to. S32 offset; @@ -1883,13 +1935,13 @@ S32 LLTextBase::getDocIndexFromLocalCoord( S32 local_x, S32 local_y, BOOL round, pos = segment_line_start + offset; break; } - else if (hit_past_end_of_line && segmentp->getEnd() >= line_iter->mDocIndexEnd - 1) + else if (hit_past_end_of_line && segmentp->getEnd() > line_iter->mDocIndexEnd - 1) { - // segment wraps to next line, so just set doc pos to start of next line (represented by mDocIndexEnd) - pos = llmin(getLength(), line_iter->mDocIndexEnd); + // segment wraps to next line, so just set doc pos to the end of the line + // segment wraps to next line, so just set doc pos to start of next line (represented by mDocIndexEnd) + pos = llmin(getLength(), line_iter->mDocIndexEnd); break; } - start_x += text_width; } @@ -2346,25 +2398,6 @@ F32 LLNormalTextSegment::draw(S32 start, S32 end, S32 selection_start, S32 selec { if( end - start > 0 ) { - if ( mStyle->isImage() && (start >= 0) && (end <= mEnd - mStart)) - { - // ...for images, only render the image, not the underlying text, - // which is only a placeholder space - LLColor4 color = LLColor4::white % mEditor.getDrawContext().mAlpha; - LLUIImagePtr image = mStyle->getImage(); - S32 style_image_height = image->getHeight(); - S32 style_image_width = image->getWidth(); - // Text is drawn from the top of the draw_rect downward - S32 text_center = draw_rect.mTop - (mFontHeight / 2); - // Align image to center of text - S32 image_bottom = text_center - (style_image_height / 2); - image->draw(draw_rect.mLeft, image_bottom, - style_image_width, style_image_height, color); - - const S32 IMAGE_HPAD = 3; - return draw_rect.mLeft + style_image_width + IMAGE_HPAD; - } - return drawClippedSegment( getStart() + start, getStart() + end, selection_start, selection_end, draw_rect); } return draw_rect.mLeft; @@ -2377,11 +2410,6 @@ F32 LLNormalTextSegment::drawClippedSegment(S32 seg_start, S32 seg_end, S32 sele const LLWString &text = mEditor.getWText(); - if ( text[seg_end-1] == '\n' ) - { - --seg_end; - } - F32 right_x = rect.mLeft; if (!mStyle->isVisible()) { @@ -2540,33 +2568,14 @@ bool LLNormalTextSegment::getDimensions(S32 first_char, S32 num_chars, S32& widt { height = 0; width = 0; - bool force_newline = false; if (num_chars > 0) { height = mFontHeight; const LLWString &text = mEditor.getWText(); // if last character is a newline, then return true, forcing line break - llwchar last_char = text[mStart + first_char + num_chars - 1]; - if (last_char == '\n') - { - force_newline = true; - // don't count newline in font width - width = mStyle->getFont()->getWidth(text.c_str(), mStart + first_char, num_chars - 1); - } - else - { - width = mStyle->getFont()->getWidth(text.c_str(), mStart + first_char, num_chars); - } - } - - LLUIImagePtr image = mStyle->getImage(); - if( image.notNull()) - { - width += image->getWidth(); - height = llmax(height, image->getHeight()); + width = mStyle->getFont()->getWidth(text.c_str(), mStart + first_char, num_chars); } - - return force_newline; + return false; } S32 LLNormalTextSegment::getOffset(S32 segment_local_x_coord, S32 start_offset, S32 num_chars, bool round) const @@ -2589,15 +2598,7 @@ S32 LLNormalTextSegment::getNumChars(S32 num_pixels, S32 segment_offset, S32 lin num_pixels = llmax(0, num_pixels - image->getWidth()); } - // search for newline and if found, truncate there - S32 last_char = mStart + segment_offset; - for (; last_char != mEnd; ++last_char) - { - if (text[last_char] == '\n') - { - break; - } - } + S32 last_char = mEnd; // set max characters to length of segment, or to first newline max_chars = llmin(max_chars, last_char - (mStart + segment_offset)); @@ -2625,8 +2626,7 @@ S32 LLNormalTextSegment::getNumChars(S32 num_pixels, S32 segment_offset, S32 lin S32 last_char_in_run = mStart + segment_offset + num_chars; // check length first to avoid indexing off end of string if (last_char_in_run < mEnd - && (last_char_in_run >= mEditor.getLength() - || text[last_char_in_run] == '\n')) + && (last_char_in_run >= mEditor.getLength() )) { num_chars++; } @@ -2721,3 +2721,87 @@ void LLInlineViewSegment::linkToDocument(LLTextBase* editor) { editor->addDocumentChild(mView); } + +LLLineBreakTextSegment::LLLineBreakTextSegment(LLStyleConstSP style,S32 pos):LLTextSegment(pos,pos+1) +{ + mFontHeight = llceil(style->getFont()->getLineHeight()); +} +LLLineBreakTextSegment::~LLLineBreakTextSegment() +{ +} +bool LLLineBreakTextSegment::getDimensions(S32 first_char, S32 num_chars, S32& width, S32& height) const +{ + width = 0; + height = mFontHeight; + + return true; +} +S32 LLLineBreakTextSegment::getNumChars(S32 num_pixels, S32 segment_offset, S32 line_offset, S32 max_chars) const +{ + return 1; +} +F32 LLLineBreakTextSegment::draw(S32 start, S32 end, S32 selection_start, S32 selection_end, const LLRect& draw_rect) +{ + return draw_rect.mLeft; +} + +LLImageTextSegment::LLImageTextSegment(LLStyleConstSP style,S32 pos,class LLTextBase& editor) + :LLTextSegment(pos,pos+1) + ,mStyle( style ) + ,mEditor(editor) +{ +} + +LLImageTextSegment::~LLImageTextSegment() +{ +} + +static const S32 IMAGE_HPAD = 3; + +bool LLImageTextSegment::getDimensions(S32 first_char, S32 num_chars, S32& width, S32& height) const +{ + width = 0; + height = llceil(mStyle->getFont()->getLineHeight());; + + LLUIImagePtr image = mStyle->getImage(); + if( image.notNull()) + { + width += image->getWidth() + IMAGE_HPAD; + height = llmax(height, image->getHeight() + IMAGE_HPAD ); + } + return false; +} + +S32 LLImageTextSegment::getNumChars(S32 num_pixels, S32 segment_offset, S32 line_offset, S32 max_chars) const +{ + LLUIImagePtr image = mStyle->getImage(); + S32 image_width = image->getWidth(); + if(num_pixels>image_width + IMAGE_HPAD) + { + return 1; + } + + return 0; +} +F32 LLImageTextSegment::draw(S32 start, S32 end, S32 selection_start, S32 selection_end, const LLRect& draw_rect) +{ + if ( (start >= 0) && (end <= mEnd - mStart)) + { + LLColor4 color = LLColor4::white % mEditor.getDrawContext().mAlpha; + LLUIImagePtr image = mStyle->getImage(); + S32 style_image_height = image->getHeight(); + S32 style_image_width = image->getWidth(); + // Text is drawn from the top of the draw_rect downward + + S32 text_center = draw_rect.mTop - (draw_rect.getHeight() / 2); + // Align image to center of draw rect + S32 image_bottom = text_center - (style_image_height / 2); + image->draw(draw_rect.mLeft, image_bottom, + style_image_width, style_image_height, color); + + const S32 IMAGE_HPAD = 3; + return draw_rect.mLeft + style_image_width + IMAGE_HPAD; + } + return 0.0; +} + |