Merge viewer-pre-beta -> seraph-viewer-pre-beta

10 files changed, 177 insertions, 34 deletions

diff --git a/indra/llui/llfloaterreglistener.cpp b/indra/llui/llfloaterreglistener.cpp
index 821d4543ae..7525b8cab3 100644
--- a/indra/llui/llfloaterreglistener.cpp
+++ b/indra/llui/llfloaterreglistener.cpp
@@ -60,6 +60,11 @@ LLFloaterRegListener::LLFloaterRegListener():
         "Ask to toggle the state of the floater specified in [\"name\"]",
         &LLFloaterRegListener::toggleInstance,
         requiredName);
+    add("instanceVisible",
+        "Return on [\"reply\"] an event whose [\"visible\"] indicates the visibility "
+        "of the floater specified in [\"name\"]",
+        &LLFloaterRegListener::instanceVisible,
+        requiredName);
     LLSD requiredNameButton;
     requiredNameButton["name"] = LLSD();
     requiredNameButton["button"] = LLSD();
@@ -71,9 +76,7 @@ LLFloaterRegListener::LLFloaterRegListener():
 
 void LLFloaterRegListener::getBuildMap(const LLSD& event) const
 {
-    // Honor the "reqid" convention by echoing event["reqid"] in our reply packet.
-    LLReqID reqID(event);
-    LLSD reply(reqID.makeResponse());
+    LLSD reply;
     // Build an LLSD map that mirrors sBuildMap. Since we have no good way to
     // represent a C++ callable in LLSD, the only part of BuildData we can
     // store is the filename. For each LLSD map entry, it would be more
@@ -86,7 +89,7 @@ void LLFloaterRegListener::getBuildMap(const LLSD& event) const
         reply[mi->first] = mi->second.mFile;
     }
     // Send the reply to the LLEventPump named in event["reply"].
-    LLEventPumps::instance().obtain(event["reply"]).post(reply);
+    sendReply(reply, event);
 }
 
 void LLFloaterRegListener::showInstance(const LLSD& event) const
@@ -104,6 +107,12 @@ void LLFloaterRegListener::toggleInstance(const LLSD& event) const
     LLFloaterReg::toggleInstance(event["name"], event["key"]);
 }
 
+void LLFloaterRegListener::instanceVisible(const LLSD& event) const
+{
+    sendReply(LLSDMap("visible", LLFloaterReg::instanceVisible(event["name"], event["key"])),
+              event);
+}
+
 void LLFloaterRegListener::clickButton(const LLSD& event) const
 {
     // If the caller requests a reply, build the reply.
diff --git a/indra/llui/llfloaterreglistener.h b/indra/llui/llfloaterreglistener.h
index 586656667c..24311a2dfa 100644
--- a/indra/llui/llfloaterreglistener.h
+++ b/indra/llui/llfloaterreglistener.h
@@ -47,6 +47,7 @@ private:
     void showInstance(const LLSD& event) const;
     void hideInstance(const LLSD& event) const;
     void toggleInstance(const LLSD& event) const;
+    void instanceVisible(const LLSD& event) const;
     void clickButton(const LLSD& event) const;
 };
 
diff --git a/indra/llui/lliconctrl.h b/indra/llui/lliconctrl.h
index e9bdab2d47..669e126266 100644
--- a/indra/llui/lliconctrl.h
+++ b/indra/llui/lliconctrl.h
@@ -69,6 +69,7 @@ public:
 
 	void			setColor(const LLColor4& color) { mColor = color; }
 	void			setImage(LLPointer<LLUIImage> image) { mImagep = image; }
+	const LLPointer<LLUIImage> getImage() { return mImagep; }
 	
 private:
 	void setIconImageDrawSize() ;
diff --git a/indra/llui/lllineeditor.cpp b/indra/llui/lllineeditor.cpp
index 7e348656a9..d99ee5a545 100644
--- a/indra/llui/lllineeditor.cpp
+++ b/indra/llui/lllineeditor.cpp
@@ -2290,3 +2290,8 @@ void LLLineEditor::setContextMenu(LLContextMenu* new_context_menu)
 	else
 		mContextMenuHandle.markDead();
 }
+
+void LLLineEditor::setFont(const LLFontGL* font)
+{
+	mGLFont = font;
+}
diff --git a/indra/llui/lllineeditor.h b/indra/llui/lllineeditor.h
index 723423a5b9..7b5fa218f2 100644
--- a/indra/llui/lllineeditor.h
+++ b/indra/llui/lllineeditor.h
@@ -201,6 +201,7 @@ public:
 	const LLColor4& getTentativeFgColor() const { return mTentativeFgColor.get(); }
 
 	const LLFontGL* getFont() const { return mGLFont; }
+	void setFont(const LLFontGL* font);
 
 	void			setIgnoreArrowKeys(BOOL b)		{ mIgnoreArrowKeys = b; }
 	void			setIgnoreTab(BOOL b)			{ mIgnoreTab = b; }
diff --git a/indra/llui/llmenugl.cpp b/indra/llui/llmenugl.cpp
index f0374de98f..8de9c769e2 100644
--- a/indra/llui/llmenugl.cpp
+++ b/indra/llui/llmenugl.cpp
@@ -3105,9 +3105,6 @@ void LLMenuGL::showPopup(LLView* spawning_view, LLMenuGL* menu, S32 x, S32 y)
 		CURSOR_HEIGHT + MOUSE_CURSOR_PADDING * 2);
 	menu->translateIntoRectWithExclusion( menu_region_rect, mouse_rect, FALSE );
 	menu->getParent()->sendChildToFront(menu);
-
-
-
 }
 
 ///============================================================================
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index 49537ef78f..82269282ef 100644
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -157,6 +157,7 @@ LLTextBase::Params::Params()
 	read_only("read_only", false),
 	v_pad("v_pad", 0),
 	h_pad("h_pad", 0),
+	clip("clip", true),
 	clip_partial("clip_partial", true),
 	line_spacing("line_spacing"),
 	max_text_length("max_length", 255),
@@ -199,6 +200,7 @@ LLTextBase::LLTextBase(const LLTextBase::Params &p)
 	mVAlign(p.font_valign),
 	mLineSpacingMult(p.line_spacing.multiple),
 	mLineSpacingPixels(p.line_spacing.pixels),
+	mClip(p.clip),
 	mClipPartial(p.clip_partial && !p.allow_scroll),
 	mTrackEnd( p.track_end ),
 	mScrollIndex(-1),
@@ -334,7 +336,7 @@ void LLTextBase::drawSelectionBackground()
 
 		// binary search for line that starts before top of visible buffer
 		line_list_t::const_iterator line_iter = std::lower_bound(mLineInfoList.begin(), mLineInfoList.end(), content_display_rect.mTop, compare_bottom());
-		line_list_t::const_iterator end_iter = std::lower_bound(mLineInfoList.begin(), mLineInfoList.end(), content_display_rect.mBottom, compare_top());
+		line_list_t::const_iterator end_iter = std::upper_bound(mLineInfoList.begin(), mLineInfoList.end(), content_display_rect.mBottom, compare_top());
 
 		bool done = false;
 
@@ -512,7 +514,6 @@ void LLTextBase::drawText()
 		selection_right = llmax( mSelectionStart, mSelectionEnd );
 	}
 
-	LLRect scrolled_view_rect = getVisibleDocumentRect();
 	std::pair<S32, S32> line_range = getVisibleLines(mClipPartial);
 	S32 first_line = line_range.first;
 	S32 last_line = line_range.second;
@@ -545,10 +546,10 @@ void LLTextBase::drawText()
 			line_end = next_start;
 		}
 
-		LLRect text_rect(line.mRect.mLeft + mVisibleTextRect.mLeft - scrolled_view_rect.mLeft,
-						line.mRect.mTop - scrolled_view_rect.mBottom + mVisibleTextRect.mBottom,
-						llmin(mDocumentView->getRect().getWidth(), line.mRect.mRight) - scrolled_view_rect.mLeft,
-						line.mRect.mBottom - scrolled_view_rect.mBottom + mVisibleTextRect.mBottom);
+		LLRect text_rect(line.mRect);
+		text_rect.mRight = llmin(mDocumentView->getRect().getWidth(), text_rect.mRight); // clamp right edge to document extents
+		text_rect.translate(mVisibleTextRect.mLeft, mVisibleTextRect.mBottom); // translate into display region of text widget
+		text_rect.translate(mDocumentView->getRect().mLeft, mDocumentView->getRect().mBottom); // adjust by scroll position
 
 		// draw a single line of text
 		S32 seg_start = line_start;
@@ -993,14 +994,28 @@ void LLTextBase::draw()
 		updateScrollFromCursor();
 	}
 
-	LLRect doc_rect;
+	LLRect text_rect;
 	if (mScroller)
 	{
-		mScroller->localRectToOtherView(mScroller->getContentWindowRect(), &doc_rect, this);
+		mScroller->localRectToOtherView(mScroller->getContentWindowRect(), &text_rect, this);
 	}
 	else
 	{
-		doc_rect = getLocalRect();
+		LLRect visible_lines_rect;
+		std::pair<S32, S32> line_range = getVisibleLines(mClipPartial);
+		for (S32 i = line_range.first; i < line_range.second; i++)
+		{
+			if (visible_lines_rect.isEmpty())
+			{
+				visible_lines_rect = mLineInfoList[i].mRect;
+			}
+			else
+			{
+				visible_lines_rect.unionWith(mLineInfoList[i].mRect);
+			}
+		}
+		text_rect = visible_lines_rect;
+		text_rect.translate(mDocumentView->getRect().mLeft, mDocumentView->getRect().mBottom);
 	}
 
 	if (mBGVisible)
@@ -1010,28 +1025,37 @@ void LLTextBase::draw()
 		LLRect bg_rect = mVisibleTextRect;
 		if (mScroller)
 		{
-			bg_rect.intersectWith(doc_rect);
+			bg_rect.intersectWith(text_rect);
 		}
 		LLColor4 bg_color = mReadOnly 
 							? mReadOnlyBgColor.get()
 							: hasFocus() 
 								? mFocusBgColor.get() 
 								: mWriteableBgColor.get();
-		gl_rect_2d(doc_rect, bg_color % alpha, TRUE);
+		gl_rect_2d(text_rect, bg_color % alpha, TRUE);
 	}
 
-	// draw document view
-	LLUICtrl::draw();
-
-	{
-		// 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);
+ 	bool should_clip = mClip || mScroller != NULL;
+ 	{ LLLocalClipRect clip(text_rect, should_clip);
+ 
+ 		// draw document view
+ 		if (mScroller)
+		{
+ 			drawChild(mScroller);
+ 		}
+ 		else
+ 		{
+ 			drawChild(mDocumentView);
+ 		}
+ 
 		drawSelectionBackground();
 		drawText();
 		drawCursor();
 	}
+ 
+ 	mDocumentView->setVisible(FALSE);
+ 	LLUICtrl::draw();
+ 	mDocumentView->setVisible(TRUE);
 }
 
 
@@ -1415,7 +1439,7 @@ S32	LLTextBase::getFirstVisibleLine() const
 	return iter - mLineInfoList.begin();
 }
 
-std::pair<S32, S32>	LLTextBase::getVisibleLines(bool fully_visible) 
+std::pair<S32, S32>	LLTextBase::getVisibleLines(bool require_fully_visible) 
 {
 	LLRect visible_region = getVisibleDocumentRect();
 	line_list_t::const_iterator first_iter;
@@ -1424,14 +1448,14 @@ std::pair<S32, S32>	LLTextBase::getVisibleLines(bool fully_visible)
 	// make sure we have an up-to-date mLineInfoList
 	reflow();
 
-	if (fully_visible)
+	if (require_fully_visible)
 	{
 		first_iter = std::lower_bound(mLineInfoList.begin(), mLineInfoList.end(), visible_region.mTop, compare_top());
-		last_iter = std::lower_bound(mLineInfoList.begin(), mLineInfoList.end(), visible_region.mBottom, compare_bottom());
+		last_iter = std::upper_bound(mLineInfoList.begin(), mLineInfoList.end(), visible_region.mBottom, compare_bottom());
 	}
 	else
 	{
-		first_iter = std::lower_bound(mLineInfoList.begin(), mLineInfoList.end(), visible_region.mTop, compare_bottom());
+		first_iter = std::upper_bound(mLineInfoList.begin(), mLineInfoList.end(), visible_region.mTop, compare_bottom());
 		last_iter = std::lower_bound(mLineInfoList.begin(), mLineInfoList.end(), visible_region.mBottom, compare_top());
 	}
 	return std::pair<S32, S32>(first_iter - mLineInfoList.begin(), last_iter - mLineInfoList.begin());
@@ -2405,14 +2429,41 @@ LLRect LLTextBase::getVisibleDocumentRect() const
 	{
 		return mScroller->getVisibleContentRect();
 	}
-	else
+	else if (mClip)
 	{
-		// entire document rect is visible when not scrolling
+		LLRect visible_text_rect = getVisibleTextRect();
+		LLRect doc_rect = mDocumentView->getRect();
+		visible_text_rect.translate(-doc_rect.mLeft, -doc_rect.mBottom);
+
+		// reject partially visible lines
+		LLRect visible_lines_rect;
+		for (line_list_t::const_iterator it = mLineInfoList.begin(), end_it = mLineInfoList.end();
+			it != end_it;
+			++it)
+		{
+			bool line_visible = mClipPartial ? visible_text_rect.contains(it->mRect) : visible_text_rect.overlaps(it->mRect);
+			if (line_visible)
+			{
+				if (visible_lines_rect.isEmpty())
+				{
+					visible_lines_rect = it->mRect;
+				}
+				else
+				{
+					visible_lines_rect.unionWith(it->mRect);
+				}
+			}
+		}
+		return visible_lines_rect;
+	}
+	else
+	{	// entire document rect is visible
 		// but offset according to height of widget
+	
 		LLRect doc_rect = mDocumentView->getLocalRect();
 		doc_rect.mLeft -= mDocumentView->getRect().mLeft;
 		// adjust for height of text above widget baseline
-		doc_rect.mBottom = doc_rect.getHeight() - mVisibleTextRect.getHeight();
+		doc_rect.mBottom = llmin(0, doc_rect.getHeight() - mVisibleTextRect.getHeight());
 		return doc_rect;
 	}
 }
diff --git a/indra/llui/lltextbase.h b/indra/llui/lltextbase.h
index aafcf8ceb0..7d545a1ba6 100644
--- a/indra/llui/lltextbase.h
+++ b/indra/llui/lltextbase.h
@@ -265,6 +265,7 @@ public:
 								use_ellipses,
 								parse_urls,
 								parse_highlights,
+								clip,
 								clip_partial;
 								
 		Optional<S32>			v_pad,
@@ -338,7 +339,7 @@ public:
 	void					addDocumentChild(LLView* view);
 	void					removeDocumentChild(LLView* view);
 	const LLView*			getDocumentView() const { return mDocumentView; }
-	LLRect					getVisibleTextRect() { return mVisibleTextRect; }
+	LLRect					getVisibleTextRect() const { return mVisibleTextRect; }
 	LLRect					getTextBoundingRect();
 	LLRect					getVisibleDocumentRect() const;
 
@@ -552,6 +553,7 @@ protected:
 	bool						mTrackEnd;			// if true, keeps scroll position at end of document during resize
 	bool						mReadOnly;
 	bool						mBGVisible;			// render background?
+	bool						mClip;				// clip text to widget rect
 	bool						mClipPartial;		// false if we show lines that are partially inside bounding rect
 	bool						mPlainText;			// didn't use Image or Icon segments
 	S32							mMaxTextByteLength;	// Maximum length mText is allowed to be in bytes
diff --git a/indra/llui/llui.cpp b/indra/llui/llui.cpp
index c300fe55d9..87669574c2 100644
--- a/indra/llui/llui.cpp
+++ b/indra/llui/llui.cpp
@@ -61,6 +61,8 @@
 // for XUIParse
 #include "llquaternion.h"
 #include <boost/tokenizer.hpp>
+#include <boost/algorithm/string/find_iterator.hpp>
+#include <boost/algorithm/string/finder.hpp>
 
 //
 // Globals
@@ -2020,6 +2022,53 @@ void LLUI::positionViewNearMouse(LLView* view, S32 spawn_x, S32 spawn_y)
 	view->translateIntoRectWithExclusion( virtual_window_rect, mouse_rect, FALSE );
 }
 
+LLView* LLUI::resolvePath(LLView* context, const std::string& path)
+{
+	// Nothing about resolvePath() should require non-const LLView*. If caller
+	// wants non-const, call the const flavor and then cast away const-ness.
+	return const_cast<LLView*>(resolvePath(const_cast<const LLView*>(context), path));
+}
+
+const LLView* LLUI::resolvePath(const LLView* context, const std::string& path)
+{
+	// Create an iterator over slash-separated parts of 'path'. Dereferencing
+	// this iterator returns an iterator_range over the substring. Unlike
+	// LLStringUtil::getTokens(), this split_iterator doesn't combine adjacent
+	// delimiters: leading/trailing slash produces an empty substring, double
+	// slash produces an empty substring. That's what we need.
+	boost::split_iterator<std::string::const_iterator> ti(path, boost::first_finder("/")), tend;
+
+	if (ti == tend)
+	{
+		// 'path' is completely empty, no navigation
+		return context;
+	}
+
+	// leading / means "start at root"
+	if (ti->empty())
+	{
+		context = getRootView();
+		++ti;
+	}
+
+	bool recurse = false;
+	for (; ti != tend && context; ++ti)
+	{
+		if (ti->empty()) 
+		{
+			recurse = true;
+		}
+		else
+		{
+			std::string part(ti->begin(), ti->end());
+			context = context->findChildView(part, recurse);
+			recurse = false;
+		}
+	}
+
+	return context;
+}
+
 
 // LLLocalClipRect and LLScreenClipRect moved to lllocalcliprect.h/cpp
 
diff --git a/indra/llui/llui.h b/indra/llui/llui.h
index 62d10df8b2..50cb9e6632 100644
--- a/indra/llui/llui.h
+++ b/indra/llui/llui.h
@@ -185,6 +185,33 @@ public:
 	//helper functions (should probably move free standing rendering helper functions here)
 	static LLView* getRootView() { return sRootView; }
 	static void setRootView(LLView* view) { sRootView = view; }
+	/**
+	 * Walk the LLView tree to resolve a path
+	 * Paths can be discovered using Develop > XUI > Show XUI Paths
+	 *
+	 * A leading "/" indicates the root of the tree is the starting
+	 * position of the search, (otherwise the context node is used)
+	 *
+	 * Adjacent "//" mean that the next level of the search is done
+	 * recursively ("descendant" rather than "child").
+	 *
+	 * Return values: If no match is found, NULL is returned,
+	 * otherwise the matching LLView* is returned.
+	 *
+	 * Examples:
+	 *
+	 * "/" -> return the root view
+	 * "/foo" -> find "foo" as a direct child of the root
+	 * "foo" -> find "foo" as a direct child of the context node
+	 * "//foo" -> find the first "foo" child anywhere in the tree
+	 * "/foo/bar" -> find "foo" as direct child of the root, and
+	 *      "bar" as a direct child of "foo"
+	 * "//foo//bar/baz" -> find the first "foo" anywhere in the
+	 *      tree, the first "bar" anywhere under it, and "baz"
+	 *      as a direct child of that
+	 */
+	static const LLView* resolvePath(const LLView* context, const std::string& path);
+	static LLView* resolvePath(LLView* context, const std::string& path);
 	static std::string locateSkin(const std::string& filename);
 	static void setMousePositionScreen(S32 x, S32 y);
 	static void getMousePositionScreen(S32 *x, S32 *y);