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/**
* @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"
#include "llviewercontrol.h"
const S32 UI_TEXTEDITOR_LINE_NUMBER_MARGIN = 32;
static LLDefaultChildRegistry::Register<LLScriptEditor> r("script_editor");
LLScriptEditor::Params::Params()
: show_line_numbers("show_line_numbers", true),
default_font_size("default_font_size", false)
{}
LLScriptEditor::LLScriptEditor(const Params& p)
: LLTextEditor(p)
, mShowLineNumbers(p.show_line_numbers),
mUseDefaultFontSize(p.default_font_size)
{
if (mShowLineNumbers)
{
mHPad += UI_TEXTEDITOR_LINE_NUMBER_MARGIN;
updateRects();
}
}
bool LLScriptEditor::postBuild()
{
gSavedSettings.getControl("LSLFontSizeName")->getCommitSignal()->connect(boost::bind(&LLScriptEditor::onFontSizeChange, this));
return LLTextEditor::postBuild();
}
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 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;
getScriptFont()->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());
}
void LLScriptEditor::loadKeywords()
{
LL_PROFILE_ZONE_SCOPED;
mKeywords.processTokens();
LLStyleConstSP style = new LLStyle(LLStyle::Params().font(getScriptFont()).color(mDefaultColor.get()));
segment_vec_t segment_list;
mKeywords.findSegments(&segment_list, getWText(), *this, style);
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_PROFILE_ZONE_SCOPED;
LLStyleConstSP style = new LLStyle(LLStyle::Params().font(getScriptFont()).color(mDefaultColor.get()));
// HACK: No non-ascii keywords for now
segment_vec_t segment_list;
mKeywords.findSegments(&segment_list, getWText(), *this, style);
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();
}
}
// Most of this is shamelessly copied from LLTextBase
void LLScriptEditor::drawSelectionBackground()
{
// Draw selection even if we don't have keyboard focus for search/replace
if( hasSelection() && !mLineInfoList.empty())
{
std::vector<LLRect> selection_rects = getSelectionRects();
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
const LLColor4& color = mReadOnly ? mReadOnlyFgColor : mFgColor;
F32 alpha = hasFocus() ? 0.7f : 0.3f;
alpha *= getDrawContext().mAlpha;
// We want to shift the color to something readable but distinct
LLColor4 selection_color((1.f + color.mV[VRED]) * 0.5f,
(1.f + color.mV[VGREEN]) * 0.5f,
(1.f + color.mV[VBLUE]) * 0.5f,
alpha);
LLRect content_display_rect = getVisibleDocumentRect();
for (std::vector<LLRect>::iterator rect_it = selection_rects.begin();
rect_it != selection_rects.end();
++rect_it)
{
LLRect selection_rect = *rect_it;
selection_rect = *rect_it;
selection_rect.translate(mVisibleTextRect.mLeft - content_display_rect.mLeft, mVisibleTextRect.mBottom - content_display_rect.mBottom);
gl_rect_2d(selection_rect, selection_color);
}
}
}
std::string LLScriptEditor::getScriptFontSize()
{
static LLCachedControl<std::string> size_name(gSavedSettings, "LSLFontSizeName", "Monospace");
return size_name;
}
LLFontGL* LLScriptEditor::getScriptFont()
{
std::string font_size_name = mUseDefaultFontSize ? "Monospace" : getScriptFontSize();
return LLFontGL::getFont(LLFontDescriptor("Monospace", font_size_name, 0));
}
void LLScriptEditor::onFontSizeChange()
{
if (!mUseDefaultFontSize)
{
needsReflow();
}
}
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