diff options
Diffstat (limited to 'indra/llui/lltextbase.cpp')
-rw-r--r-- | indra/llui/lltextbase.cpp | 272 |
1 files changed, 176 insertions, 96 deletions
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp index 2d0d5c12cb..574b24cf13 100644 --- a/indra/llui/lltextbase.cpp +++ b/indra/llui/lltextbase.cpp @@ -3,31 +3,25 @@ * @author Martin Reddy * @brief The base class of text box/editor, providing Url handling support * - * $LicenseInfo:firstyear=2009&license=viewergpl$ - * - * Copyright (c) 2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2009&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at - * http://secondlifegrid.net/programs/open_source/licensing/flossexception + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -40,6 +34,7 @@ #include "llscrollcontainer.h" #include "llstl.h" #include "lltextparser.h" +#include "lltextutil.h" #include "lltooltip.h" #include "lluictrl.h" #include "llurlaction.h" @@ -65,7 +60,10 @@ bool LLTextBase::compare_segment_end::operator()(const LLTextSegmentPtr& a, cons { return a->getStart() < b->getStart(); } - return a->getEnd() < b->getEnd(); + else + { + return a->getEnd() < b->getEnd(); + } } @@ -151,6 +149,8 @@ LLTextBase::Params::Params() bg_readonly_color("bg_readonly_color"), bg_writeable_color("bg_writeable_color"), bg_focus_color("bg_focus_color"), + text_selected_color("text_selected_color"), + bg_selected_color("bg_selected_color"), allow_scroll("allow_scroll", true), plain_text("plain_text",false), track_end("track_end", false), @@ -163,17 +163,18 @@ LLTextBase::Params::Params() font_shadow("font_shadow"), wrap("wrap"), use_ellipses("use_ellipses", false), - allow_html("allow_html", false), + parse_urls("parse_urls", false), parse_highlights("parse_highlights", false) { addSynonym(track_end, "track_bottom"); addSynonym(wrap, "word_wrap"); + addSynonym(parse_urls, "allow_html"); } LLTextBase::LLTextBase(const LLTextBase::Params &p) : LLUICtrl(p, LLTextViewModelPtr(new LLTextViewModel)), - mURLClickSignal(), + mURLClickSignal(NULL), mMaxTextByteLength( p.max_text_length ), mDefaultFont(p.font), mFontShadow(p.font_shadow), @@ -186,6 +187,8 @@ LLTextBase::LLTextBase(const LLTextBase::Params &p) mWriteableBgColor(p.bg_writeable_color), mReadOnlyBgColor(p.bg_readonly_color), mFocusBgColor(p.bg_focus_color), + mTextSelectedColor(p.text_selected_color), + mSelectedBGColor(p.bg_selected_color), mReflowIndex(S32_MAX), mCursorPos( 0 ), mScrollNeeded(FALSE), @@ -193,6 +196,7 @@ LLTextBase::LLTextBase(const LLTextBase::Params &p) mHPad(p.h_pad), mVPad(p.v_pad), mHAlign(p.font_halign), + mVAlign(p.font_valign), mLineSpacingMult(p.line_spacing.multiple), mLineSpacingPixels(p.line_spacing.pixels), mClipPartial(p.clip_partial && !p.allow_scroll), @@ -204,10 +208,11 @@ LLTextBase::LLTextBase(const LLTextBase::Params &p) mPlainText ( p.plain_text ), mWordWrap(p.wrap), mUseEllipses( p.use_ellipses ), - mParseHTML(p.allow_html), + mParseHTML(p.parse_urls), mParseHighlights(p.parse_highlights), mBGVisible(p.bg_visible), - mScroller(NULL) + mScroller(NULL), + mStyleDirty(true) { if(p.allow_scroll) { @@ -246,9 +251,8 @@ LLTextBase::LLTextBase(const LLTextBase::Params &p) LLTextBase::~LLTextBase() { - // Menu, like any other LLUICtrl, is deleted by its parent - gMenuHolder - mSegments.clear(); + delete mURLClickSignal; } void LLTextBase::initFromParams(const LLTextBase::Params& p) @@ -264,9 +268,6 @@ void LLTextBase::initFromParams(const LLTextBase::Params& p) { mReadOnly = p.read_only; } - - // HACK: text editors always need to be enabled so that we can scroll - LLView::setEnabled(true); } bool LLTextBase::truncate() @@ -294,13 +295,21 @@ bool LLTextBase::truncate() return did_truncate; } -LLStyle::Params LLTextBase::getDefaultStyleParams() +const LLStyle::Params& LLTextBase::getDefaultStyleParams() { - return LLStyle::Params() - .color(LLUIColor(&mFgColor)) - .readonly_color(LLUIColor(&mReadOnlyFgColor)) - .font(mDefaultFont) - .drop_shadow(mFontShadow); + //FIXME: convert mDefaultStyle to a flyweight http://www.boost.org/doc/libs/1_40_0/libs/flyweight/doc/index.html + //and eliminate color member values + if (mStyleDirty) + { + mDefaultStyle + .color(LLUIColor(&mFgColor)) // pass linked color instead of copy of mFGColor + .readonly_color(LLUIColor(&mReadOnlyFgColor)) + .selected_color(LLUIColor(&mTextSelectedColor)) + .font(mDefaultFont) + .drop_shadow(mFontShadow); + mStyleDirty = false; + } + return mDefaultStyle; } void LLTextBase::onValueChange(S32 start, S32 end) @@ -393,7 +402,7 @@ void LLTextBase::drawSelectionBackground() // 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 = mReadOnly ? mReadOnlyFgColor.get() : mFgColor.get(); + 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); @@ -433,7 +442,6 @@ void LLTextBase::drawCursor() } else { - //segmentp = mSegments.back(); return; } @@ -467,24 +475,11 @@ void LLTextBase::drawCursor() { LLColor4 text_color; const LLFontGL* fontp; - if (segmentp) - { text_color = segmentp->getColor(); fontp = segmentp->getStyle()->getFont(); - } - else if (mReadOnly) - { - text_color = mReadOnlyFgColor.get(); - fontp = mDefaultFont; - } - else - { - text_color = mFgColor.get(); - fontp = mDefaultFont; - } - fontp->render(text, mCursorPos, cursor_rect.mLeft, cursor_rect.mTop, + fontp->render(text, mCursorPos, cursor_rect, LLColor4(1.f - text_color.mV[VRED], 1.f - text_color.mV[VGREEN], 1.f - text_color.mV[VBLUE], alpha), - LLFontGL::LEFT, LLFontGL::TOP, + LLFontGL::LEFT, mVAlign, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, 1); @@ -859,11 +854,12 @@ BOOL LLTextBase::handleMouseUp(S32 x, S32 y, MASK mask) if (cur_segment && cur_segment->handleMouseUp(x, y, mask)) { // Did we just click on a link? - if (cur_segment->getStyle() + if (mURLClickSignal + && cur_segment->getStyle() && cur_segment->getStyle()->isLink()) { // *TODO: send URL here? - mURLClickSignal(this, LLSD() ); + (*mURLClickSignal)(this, LLSD() ); } return TRUE; } @@ -1010,21 +1006,26 @@ void LLTextBase::draw() if (mBGVisible) { // clip background rect against extents, if we support scrolling - LLLocalClipRect clip(doc_rect, mScroller != NULL); - + LLRect bg_rect = mVisibleTextRect; + if (mScroller) + { + bg_rect.intersectWith(doc_rect); + } LLColor4 bg_color = mReadOnly ? mReadOnlyBgColor.get() : hasFocus() ? mFocusBgColor.get() : mWriteableBgColor.get(); - gl_rect_2d(mVisibleTextRect, bg_color, TRUE); + gl_rect_2d(doc_rect, bg_color, TRUE); } // draw document view LLUICtrl::draw(); { - // only clip if we support scrolling (mScroller != NULL) + // only clip if we support scrolling... + // since convention is that text boxes never vertically truncate their contents + // regardless of rect bounds LLLocalClipRect clip(doc_rect, mScroller != NULL); drawSelectionBackground(); drawText(); @@ -1037,12 +1038,14 @@ void LLTextBase::draw() void LLTextBase::setColor( const LLColor4& c ) { mFgColor = c; + mStyleDirty = true; } //virtual void LLTextBase::setReadOnlyColor(const LLColor4 &c) { mReadOnlyFgColor = c; + mStyleDirty = true; } //virtual @@ -1486,13 +1489,32 @@ void LLTextBase::getSegmentAndOffset( S32 startpos, segment_set_t::iterator* seg LLTextBase::segment_set_t::iterator LLTextBase::getSegIterContaining(S32 index) { - segment_set_t::iterator it = mSegments.upper_bound(new LLIndexSegment(index)); + static LLPointer<LLIndexSegment> index_segment = new LLIndexSegment(); + + if (index > getLength()) { return mSegments.end(); } + + // when there are no segments, we return the end iterator, which must be checked by caller + if (mSegments.size() <= 1) { return mSegments.begin(); } + + //FIXME: avoid operator new somehow (without running into refcount problems) + index_segment->setStart(index); + index_segment->setEnd(index); + segment_set_t::iterator it = mSegments.upper_bound(index_segment); return it; } LLTextBase::segment_set_t::const_iterator LLTextBase::getSegIterContaining(S32 index) const { - LLTextBase::segment_set_t::const_iterator it = mSegments.upper_bound(new LLIndexSegment(index)); + static LLPointer<LLIndexSegment> index_segment = new LLIndexSegment(); + + if (index > getLength()) { return mSegments.end(); } + + // when there are no segments, we return the end iterator, which must be checked by caller + if (mSegments.size() <= 1) { return mSegments.begin(); } + + index_segment->setStart(index); + index_segment->setEnd(index); + LLTextBase::segment_set_t::const_iterator it = mSegments.upper_bound(index_segment); return it; } @@ -1619,20 +1641,8 @@ void LLTextBase::appendTextImpl(const std::string &new_text, const LLStyle::Para appendAndHighlightText(subtext, part, style_params); } - // output an optional icon before the Url - if (! match.getIcon().empty()) - { - LLUIImagePtr image = LLUI::getUIImage(match.getIcon()); - if (image) - { - LLStyle::Params icon; - icon.image = image; - // Text will be replaced during rendering with the icon, - // but string cannot be empty or the segment won't be - // added (or drawn). - appendImageSegment(part, icon); - } - } + // inserts an avatar icon preceding the Url if appropriate + LLTextUtil::processUrlMatch(&match,this); // output the styled Url (unless we've been asked to suppress hyperlinking) if (match.isLinkDisabled()) @@ -1641,7 +1651,7 @@ void LLTextBase::appendTextImpl(const std::string &new_text, const LLStyle::Para } else { - appendAndHighlightText(match.getLabel(), part, link_params); + appendAndHighlightText(match.getLabel(), part, link_params, match.underlineOnHoverOnly()); // set the tooltip for the Url label if (! match.getTooltip().empty()) @@ -1702,7 +1712,7 @@ void LLTextBase::appendLineBreakSegment(const LLStyle::Params& style_params) insertStringNoUndo(getLength(), utf8str_to_wstring("\n"), &segments); } -void LLTextBase::appendImageSegment(S32 highlight_part, const LLStyle::Params& style_params) +void LLTextBase::appendImageSegment(const LLStyle::Params& style_params) { if(getPlainText()) { @@ -1715,9 +1725,16 @@ void LLTextBase::appendImageSegment(S32 highlight_part, const LLStyle::Params& s insertStringNoUndo(getLength(), utf8str_to_wstring(" "), &segments); } +void LLTextBase::appendWidget(const LLInlineViewSegment::Params& params, const std::string& text, bool allow_undo) +{ + segment_vec_t segments; + LLWString widget_wide_text = utf8str_to_wstring(text); + segments.push_back(new LLInlineViewSegment(params, getLength(), getLength() + widget_wide_text.size())); + insertStringNoUndo(getLength(), widget_wide_text, &segments); +} -void LLTextBase::appendAndHighlightTextImpl(const std::string &new_text, S32 highlight_part, const LLStyle::Params& style_params) +void LLTextBase::appendAndHighlightTextImpl(const std::string &new_text, S32 highlight_part, const LLStyle::Params& style_params, bool underline_on_hover_only) { // Save old state S32 selection_start = mSelectionStart; @@ -1748,7 +1765,17 @@ void LLTextBase::appendAndHighlightTextImpl(const std::string &new_text, S32 hig S32 cur_length = getLength(); LLStyleConstSP sp(new LLStyle(highlight_params)); - LLTextSegmentPtr segmentp = new LLNormalTextSegment(sp, cur_length, cur_length + wide_text.size(), *this); + LLTextSegmentPtr segmentp; + if(underline_on_hover_only) + { + highlight_params.font.style("NORMAL"); + LLStyleConstSP normal_sp(new LLStyle(highlight_params)); + segmentp = new LLOnHoverChangeableTextSegment(sp, normal_sp, cur_length, cur_length + wide_text.size(), *this); + } + else + { + segmentp = new LLNormalTextSegment(sp, cur_length, cur_length + wide_text.size(), *this); + } segment_vec_t segments; segments.push_back(segmentp); insertStringNoUndo(cur_length, wide_text, &segments); @@ -1763,7 +1790,17 @@ void LLTextBase::appendAndHighlightTextImpl(const std::string &new_text, S32 hig S32 segment_start = old_length; S32 segment_end = old_length + wide_text.size(); LLStyleConstSP sp(new LLStyle(style_params)); + if (underline_on_hover_only) + { + LLStyle::Params normal_style_params(style_params); + normal_style_params.font.style("NORMAL"); + LLStyleConstSP normal_sp(new LLStyle(normal_style_params)); + segments.push_back(new LLOnHoverChangeableTextSegment(sp, normal_sp, segment_start, segment_end, *this )); + } + else + { segments.push_back(new LLNormalTextSegment(sp, segment_start, segment_end, *this )); + } insertStringNoUndo(getLength(), wide_text, &segments); } @@ -1787,7 +1824,7 @@ void LLTextBase::appendAndHighlightTextImpl(const std::string &new_text, S32 hig } } -void LLTextBase::appendAndHighlightText(const std::string &new_text, S32 highlight_part, const LLStyle::Params& style_params) +void LLTextBase::appendAndHighlightText(const std::string &new_text, S32 highlight_part, const LLStyle::Params& style_params, bool underline_on_hover_only) { if (new_text.empty()) return; @@ -1799,7 +1836,7 @@ void LLTextBase::appendAndHighlightText(const std::string &new_text, S32 highlig if(pos!=start) { std::string str = std::string(new_text,start,pos-start); - appendAndHighlightTextImpl(str,highlight_part, style_params); + appendAndHighlightTextImpl(str,highlight_part, style_params, underline_on_hover_only); } appendLineBreakSegment(style_params); start = pos+1; @@ -1807,7 +1844,7 @@ void LLTextBase::appendAndHighlightText(const std::string &new_text, S32 highlig } std::string str = std::string(new_text,start,new_text.length()-start); - appendAndHighlightTextImpl(str,highlight_part, style_params); + appendAndHighlightTextImpl(str,highlight_part, style_params, underline_on_hover_only); } @@ -2261,10 +2298,17 @@ void LLTextBase::updateRects() // allow horizontal scrolling? // if so, use entire width of text contents // otherwise, stop at width of mVisibleTextRect + //FIXME: consider use of getWordWrap() instead doc_rect.mRight = mScroller ? llmax(mVisibleTextRect.getWidth(), mTextBoundingRect.mRight) : mVisibleTextRect.getWidth(); + if (!mScroller) + { + // push doc rect to top of text widget + doc_rect.translate(0, mVisibleTextRect.getHeight() - doc_rect.mTop); + } + mDocumentView->setShape(doc_rect); //update mVisibleTextRect *after* mDocumentView has been resized @@ -2328,6 +2372,15 @@ LLRect LLTextBase::getVisibleDocumentRect() const } } +boost::signals2::connection LLTextBase::setURLClickedCallback(const commit_signal_t::slot_type& cb) +{ + if (!mURLClickSignal) + { + mURLClickSignal = new commit_signal_t(); + } + return mURLClickSignal->connect(cb); +} + // // LLTextSegment // @@ -2435,12 +2488,12 @@ F32 LLNormalTextSegment::drawClippedSegment(S32 seg_start, S32 seg_end, S32 sele S32 end = llmin( selection_start, seg_end ); S32 length = end - start; font->render(text, start, - rect.mLeft, rect.mTop, + rect, color, - LLFontGL::LEFT, LLFontGL::TOP, + LLFontGL::LEFT, mEditor.mVAlign, LLFontGL::NORMAL, mStyle->getShadowType(), - length, rect.getWidth(), + length, &right_x, mEditor.getUseEllipses()); } @@ -2454,12 +2507,12 @@ F32 LLNormalTextSegment::drawClippedSegment(S32 seg_start, S32 seg_end, S32 sele 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, + rect, + mStyle->getSelectedColor().get(), + LLFontGL::LEFT, mEditor.mVAlign, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, - length, rect.getWidth(), + length, &right_x, mEditor.getUseEllipses()); } @@ -2471,12 +2524,12 @@ F32 LLNormalTextSegment::drawClippedSegment(S32 seg_start, S32 seg_end, S32 sele S32 end = seg_end; S32 length = end - start; font->render(text, start, - rect.mLeft, rect.mTop, + rect, color, - LLFontGL::LEFT, LLFontGL::TOP, + LLFontGL::LEFT, mEditor.mVAlign, LLFontGL::NORMAL, mStyle->getShadowType(), - length, rect.getWidth(), + length, &right_x, mEditor.getUseEllipses()); } @@ -2652,6 +2705,33 @@ void LLNormalTextSegment::dump() const llendl; } +// +// LLOnHoverChangeableTextSegment +// + +LLOnHoverChangeableTextSegment::LLOnHoverChangeableTextSegment( LLStyleConstSP style, LLStyleConstSP normal_style, S32 start, S32 end, LLTextBase& editor ): + LLNormalTextSegment(normal_style, start, end, editor), + mHoveredStyle(style), + mNormalStyle(normal_style){} + +/*virtual*/ +F32 LLOnHoverChangeableTextSegment::draw(S32 start, S32 end, S32 selection_start, S32 selection_end, const LLRect& draw_rect) +{ + F32 result = LLNormalTextSegment::draw(start, end, selection_start, selection_end, draw_rect); + if (end == mEnd - mStart) + { + mStyle = mNormalStyle; + } + return result; +} + +/*virtual*/ +BOOL LLOnHoverChangeableTextSegment::handleHover(S32 x, S32 y, MASK mask) +{ + mStyle = mHoveredStyle; + return LLNormalTextSegment::handleHover(x, y, mask); +} + // // LLInlineViewSegment @@ -2760,9 +2840,9 @@ F32 LLLineBreakTextSegment::draw(S32 start, S32 end, S32 selection_start, S32 se } LLImageTextSegment::LLImageTextSegment(LLStyleConstSP style,S32 pos,class LLTextBase& editor) - :LLTextSegment(pos,pos+1) - ,mStyle( style ) - ,mEditor(editor) +: LLTextSegment(pos,pos+1), + mStyle( style ), + mEditor(editor) { } |