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Diffstat (limited to 'indra/newview/llscripteditor.cpp')
| -rw-r--r-- | indra/newview/llscripteditor.cpp | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/indra/newview/llscripteditor.cpp b/indra/newview/llscripteditor.cpp new file mode 100644 index 0000000000..df46380130 --- /dev/null +++ b/indra/newview/llscripteditor.cpp @@ -0,0 +1,185 @@ +/** + * @file llscripteditor.cpp + * @author Cinder Roxley + * @brief Text editor widget used for viewing and editing scripts + * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, 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. + * + * 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. + * + * 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 + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "llviewerprecompiledheaders.h" +#include "llscripteditor.h" + +#include "llsyntaxid.h" +#include "lllocalcliprect.h" + +const S32 UI_TEXTEDITOR_LINE_NUMBER_MARGIN = 32; +const S32 UI_TEXTEDITOR_LINE_NUMBER_DIGITS = 4; + +static LLDefaultChildRegistry::Register<LLScriptEditor> r("script_editor"); + +LLScriptEditor::Params::Params() +: show_line_numbers("show_line_numbers", true) +{} + + +LLScriptEditor::LLScriptEditor(const Params& p) +: LLTextEditor(p) +, mShowLineNumbers(p.show_line_numbers) +{ + if (mShowLineNumbers) + { + mHPad += UI_TEXTEDITOR_LINE_NUMBER_MARGIN; + updateRects(); + } +} + +void LLScriptEditor::draw() +{ + { + // pad clipping rectangle so that cursor can draw at full width + // when at left edge of mVisibleTextRect + LLRect clip_rect(mVisibleTextRect); + clip_rect.stretch(1); + LLLocalClipRect clip(clip_rect); + } + + LLTextBase::draw(); + drawLineNumbers(); + + drawPreeditMarker(); + + //RN: the decision was made to always show the orange border for keyboard focus but do not put an insertion caret + // when in readonly mode + mBorder->setKeyboardFocusHighlight( hasFocus() );// && !mReadOnly); +} + +void LLScriptEditor::drawLineNumbers() +{ + LLGLSUIDefault gls_ui; + LLRect scrolled_view_rect = getVisibleDocumentRect(); + LLRect content_rect = getVisibleTextRect(); + LLLocalClipRect clip(content_rect); + S32 first_line = getFirstVisibleLine(); + S32 num_lines = getLineCount(); + if (first_line >= num_lines) + { + return; + } + + S32 cursor_line = mLineInfoList[getLineNumFromDocIndex(mCursorPos)].mLineNum; + + if (mShowLineNumbers) + { + S32 left = 0; + S32 top = getRect().getHeight(); + S32 bottom = 0; + + gl_rect_2d(left, top, UI_TEXTEDITOR_LINE_NUMBER_MARGIN, bottom, mReadOnlyBgColor.get() ); // line number area always read-only + gl_rect_2d(UI_TEXTEDITOR_LINE_NUMBER_MARGIN, top, UI_TEXTEDITOR_LINE_NUMBER_MARGIN-1, bottom, LLColor4::grey3); // separator + + S32 last_line_num = -1; + + for (S32 cur_line = first_line; cur_line < num_lines; cur_line++) + { + line_info& line = mLineInfoList[cur_line]; + + if ((line.mRect.mTop - scrolled_view_rect.mBottom) < mVisibleTextRect.mBottom) + { + break; + } + + S32 line_bottom = line.mRect.mBottom - scrolled_view_rect.mBottom + mVisibleTextRect.mBottom; + // draw the line numbers + if(line.mLineNum != last_line_num && line.mRect.mTop <= scrolled_view_rect.mTop) + { + const LLFontGL *num_font = LLFontGL::getFontMonospace(); + const LLWString ltext = utf8str_to_wstring(llformat("%d", line.mLineNum )); + BOOL is_cur_line = cursor_line == line.mLineNum; + const U8 style = is_cur_line ? LLFontGL::BOLD : LLFontGL::NORMAL; + const LLColor4 fg_color = is_cur_line ? mCursorColor : mReadOnlyFgColor; + num_font->render( + ltext, // string to draw + 0, // begin offset + UI_TEXTEDITOR_LINE_NUMBER_MARGIN - 2, // x + line_bottom, // y + fg_color, + LLFontGL::RIGHT, // horizontal alignment + LLFontGL::BOTTOM, // vertical alignment + style, + LLFontGL::NO_SHADOW, + S32_MAX, // max chars + UI_TEXTEDITOR_LINE_NUMBER_MARGIN - 2); // max pixels + last_line_num = line.mLineNum; + } + } + } +} + +void LLScriptEditor::initKeywords() +{ + mKeywords.initialize(LLSyntaxIdLSL::getInstance()->getKeywordsXML()); +} + +LLTrace::BlockTimerStatHandle FTM_SYNTAX_HIGHLIGHTING("Syntax Highlighting"); + +void LLScriptEditor::loadKeywords() +{ + LL_RECORD_BLOCK_TIME(FTM_SYNTAX_HIGHLIGHTING); + mKeywords.processTokens(); + + segment_vec_t segment_list; + mKeywords.findSegments(&segment_list, getWText(), mDefaultColor.get(), *this); + + mSegments.clear(); + segment_set_t::iterator insert_it = mSegments.begin(); + for (segment_vec_t::iterator list_it = segment_list.begin(); list_it != segment_list.end(); ++list_it) + { + insert_it = mSegments.insert(insert_it, *list_it); + } +} + +void LLScriptEditor::updateSegments() +{ + if (mReflowIndex < S32_MAX && mKeywords.isLoaded() && mParseOnTheFly) + { + LL_RECORD_BLOCK_TIME(FTM_SYNTAX_HIGHLIGHTING); + // HACK: No non-ascii keywords for now + segment_vec_t segment_list; + mKeywords.findSegments(&segment_list, getWText(), mDefaultColor.get(), *this); + + clearSegments(); + for (segment_vec_t::iterator list_it = segment_list.begin(); list_it != segment_list.end(); ++list_it) + { + insertSegment(*list_it); + } + } + + LLTextBase::updateSegments(); +} + +void LLScriptEditor::clearSegments() +{ + if (!mSegments.empty()) + { + mSegments.clear(); + } +} |