1 files changed, 93 insertions, 3 deletions
diff --git a/indra/newview/llscripteditor.cpp b/indra/newview/llscripteditor.cpp
index 31d3c29af4..df46380130 100644
--- a/indra/newview/llscripteditor.cpp
+++ b/indra/newview/llscripteditor.cpp
@@ -29,19 +29,109 @@
 #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()