From f3bd6481a554ade34b133b2ae805838e27598639 Mon Sep 17 00:00:00 2001
From: Lynx Linden <lynx@lindenlab.com>
Date: Wed, 13 Jan 2010 17:57:03 +0000
Subject: EXT-4197: Search in sub-panels for help IDs too.

In order to support unique help IDs for the Landmark and Place Profile
panels off the Places sidetray, we need to also search within any
embedded (and visible) sub-panels.
---
 indra/llui/llpanel.cpp                             | 38 ++++++++++++++++++++++
 indra/llui/llpanel.h                               |  3 ++
 indra/llui/lluictrl.cpp                            |  8 +++++
 .../newview/skins/default/xui/en/panel_places.xml  |  5 ++-
 4 files changed, 51 insertions(+), 3 deletions(-)

diff --git a/indra/llui/llpanel.cpp b/indra/llui/llpanel.cpp
index 143f19eea6..7f23fe2671 100644
--- a/indra/llui/llpanel.cpp
+++ b/indra/llui/llpanel.cpp
@@ -898,6 +898,44 @@ LLPanel *LLPanel::childGetVisibleTabWithHelp()
 	return ::childGetVisibleTabWithHelp(this);
 }
 
+static LLPanel *childGetVisiblePanelWithHelp(LLView *parent)
+{
+	LLView *child;
+
+	// look through immediate children first for an active panel with help
+	for (child = parent->getFirstChild(); child; child = parent->findNextSibling(child))
+	{
+		// do we have a panel with a help topic?
+		LLPanel *panel = dynamic_cast<LLPanel *>(child);
+		if (panel && panel->getVisible() && !panel->getHelpTopic().empty())
+		{
+			return panel;
+		}
+	}
+
+	// then try a bit harder and recurse through all children
+	for (child = parent->getFirstChild(); child; child = parent->findNextSibling(child))
+	{
+		if (child->getVisible())
+		{
+			LLPanel* panel = ::childGetVisiblePanelWithHelp(child);
+			if (panel)
+			{
+				return panel;
+			}
+		}
+	}
+
+	// couldn't find any active panels with a help topic string
+	return NULL;
+}
+
+LLPanel *LLPanel::childGetVisiblePanelWithHelp()
+{
+	// find a visible tab with a help topic (to determine help context)
+	return ::childGetVisiblePanelWithHelp(this);
+}
+
 void LLPanel::childSetPrevalidate(const std::string& id, BOOL (*func)(const LLWString &) )
 {
 	LLLineEditor* child = findChild<LLLineEditor>(id);
diff --git a/indra/llui/llpanel.h b/indra/llui/llpanel.h
index d0986a06d3..6de83fe3a7 100644
--- a/indra/llui/llpanel.h
+++ b/indra/llui/llpanel.h
@@ -214,7 +214,10 @@ public:
 	// LLTabContainer
 	void childShowTab(const std::string& id, const std::string& tabname, bool visible = true);
 	LLPanel *childGetVisibleTab(const std::string& id) const;
+
+	// Find a child with a nonempty Help topic 
 	LLPanel *childGetVisibleTabWithHelp();
+	LLPanel *childGetVisiblePanelWithHelp();
 
 	// LLTextBox/LLTextEditor/LLLineEditor
 	void childSetText(const std::string& id, const LLStringExplicit& text) { childSetValue(id, LLSD(text)); }
diff --git a/indra/llui/lluictrl.cpp b/indra/llui/lluictrl.cpp
index 6044908ca7..f016c0af89 100644
--- a/indra/llui/lluictrl.cpp
+++ b/indra/llui/lluictrl.cpp
@@ -876,6 +876,14 @@ bool LLUICtrl::findHelpTopic(std::string& help_topic_out)
 				return true; // success (tab)
 			}
 
+			// does the panel have a sub-panel with a help topic?
+			LLPanel *subpanel = panel->childGetVisiblePanelWithHelp();
+			if (subpanel)
+			{
+				help_topic_out = subpanel->getHelpTopic();
+				return true; // success (subpanel)
+			}
+
 			// otherwise, does the panel have a help topic itself?
 			if (!panel->getHelpTopic().empty())
 			{
diff --git a/indra/newview/skins/default/xui/en/panel_places.xml b/indra/newview/skins/default/xui/en/panel_places.xml
index 8a5c023133..9bfd8b91d8 100644
--- a/indra/newview/skins/default/xui/en/panel_places.xml
+++ b/indra/newview/skins/default/xui/en/panel_places.xml
@@ -46,7 +46,7 @@ background_visible="true"
      height="533"
      layout="topleft"
      left="0"
-     help_topic="places_info_tab"
+     help_topic="place_profile"
      name="panel_place_profile"
      top="5"
      visible="false"
@@ -58,7 +58,7 @@ background_visible="true"
      height="533"
      layout="topleft"
      left="0"
-     help_topic="places_info_tab"
+     help_topic="landmark"
      name="panel_landmark_info"
      top="5"
      visible="false"
@@ -67,7 +67,6 @@ background_visible="true"
      height="19"
      layout="topleft"
      left="0"
-     help_topic="places_button_tab"
      name="button_panel"
      width="313">
         <button
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