1 files changed, 525 insertions, 0 deletions
diff --git a/indra/newview/llchatitemscontainerctrl.cpp b/indra/newview/llchatitemscontainerctrl.cpp
new file mode 100644
index 0000000000..27ebccfe25
--- /dev/null
+++ b/indra/newview/llchatitemscontainerctrl.cpp
@@ -0,0 +1,525 @@
+/** 
+ * @file llchatitemscontainer.cpp
+ * @brief chat history scrolling panel implementation
+ *
+ * $LicenseInfo:firstyear=2009&license=viewergpl$
+ * 
+ * Copyright (c) 2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llchatitemscontainerctrl.h"
+#include "lltextbox.h"
+
+#include "llchatmsgbox.h"
+#include "llavatariconctrl.h"
+#include "llfloaterreg.h"
+#include "lltrans.h"
+
+#include "llviewercontrol.h"
+
+static const S32 BORDER_MARGIN = 2;
+static const S32 PARENT_BORDER_MARGIN = 0;
+
+static const S32 HORIZONTAL_MULTIPLE = 8;
+static const S32 VERTICAL_MULTIPLE = 16;
+static const F32 MIN_AUTO_SCROLL_RATE = 120.f;
+static const F32 MAX_AUTO_SCROLL_RATE = 500.f;
+static const F32 AUTO_SCROLL_RATE_ACCEL = 120.f;
+
+#define MAX_CHAT_HISTORY 100
+
+
+static LLDefaultChildRegistry::Register<LLChatItemsContainerCtrl>	t2("chat_items_container");
+
+
+
+//*******************************************************************************************************************
+//LLChatItemCtrl
+//*******************************************************************************************************************
+
+LLChatItemCtrl* LLChatItemCtrl::createInstance()
+{
+	LLChatItemCtrl* item = new LLChatItemCtrl();
+	LLUICtrlFactory::getInstance()->buildPanel(item, "panel_chat_item.xml");
+	return item;
+}
+
+void	LLChatItemCtrl::draw()
+{
+	LLPanel::draw();
+}
+
+void	LLChatItemCtrl::reshape		(S32 width, S32 height, BOOL called_from_parent )
+{
+	LLPanel::reshape(width, height,called_from_parent);
+
+	LLPanel* caption = getChild<LLPanel>("msg_caption",false,false);
+	LLChatMsgBox* msg_text = getChild<LLChatMsgBox>("msg_text",false,false);
+	if(caption && msg_text)
+	{
+		LLRect caption_rect = caption->getRect();
+		caption_rect.setLeftTopAndSize( 2, height, width - 4, caption_rect.getHeight());
+		caption->reshape( width - 4, caption_rect.getHeight(), 1);
+		caption->setRect(caption_rect);
+
+		
+		LLRect msg_text_rect = msg_text->getRect();
+		msg_text_rect.setLeftTopAndSize( 10, height - caption_rect.getHeight() , width - 20, height - caption_rect.getHeight());
+		msg_text->reshape( width - 20, height - caption_rect.getHeight(), 1);
+		msg_text->setRect(msg_text_rect);
+	}
+		
+}
+
+BOOL LLChatItemCtrl::postBuild()
+{
+	return LLPanel::postBuild();
+}
+
+
+std::string LLChatItemCtrl::appendTime()
+{
+	time_t utc_time;
+	utc_time = time_corrected();
+	std::string timeStr ="["+ LLTrans::getString("TimeHour")+"]:["
+		+LLTrans::getString("TimeMin")+"] ";
+
+	LLSD substitution;
+
+	substitution["datetime"] = (S32) utc_time;
+	LLStringUtil::format (timeStr, substitution);
+
+	return timeStr;
+}
+
+
+
+void	LLChatItemCtrl::addText		(const std::string& message)
+{
+	LLChatMsgBox* msg_text = getChild<LLChatMsgBox>("msg_text",false,false);
+	if(msg_text)
+		msg_text->addText(message);
+	mMessages.push_back(message);
+}
+
+void	LLChatItemCtrl::setMessage	(const LLChat& msg)
+{
+	LLPanel* caption = getChild<LLPanel>("msg_caption",false,false);
+	if(!caption)
+		return;
+	caption->getChild<LLTextBox>("sender_name",false,false)->setText(msg.mFromName);
+	std::string tt = appendTime();
+	
+	caption->getChild<LLTextBox>("msg_time",false,false)->setText(tt);
+
+	caption->getChild<LLAvatarIconCtrl>("avatar_icon",false,false)->setValue(msg.mFromID);
+
+	mOriginalMessage = msg;
+
+	LLChatMsgBox* msg_text = getChild<LLChatMsgBox>("msg_text",false,false);
+	if(msg_text)
+		msg_text->setText(msg.mText);
+
+	LLUICtrl* msg_inspector = caption->getChild<LLUICtrl>("msg_inspector");
+	if(mOriginalMessage.mSourceType != CHAT_SOURCE_AGENT)
+		msg_inspector->setVisible(false);
+
+	mMessages.clear();
+
+}
+
+
+void	LLChatItemCtrl::setWidth(S32 width)
+{
+	LLChatMsgBox* text_box = getChild<LLChatMsgBox>("msg_text",false,false);
+	if(!text_box)
+		return;///actually assert fits better
+
+	text_box->reshape(width - 20,100/*its not magic number, we just need any number*/);
+
+	LLChatMsgBox* msg_text = getChild<LLChatMsgBox>("msg_text",false,false);
+	if(msg_text && mOriginalMessage.mText.length())
+		msg_text->setText(mOriginalMessage.mText);
+	
+	for(size_t i=0;i<mMessages.size();++i)
+		msg_text->addText(mMessages[i]);
+
+	S32 new_height = text_box->getTextPixelHeight();
+	LLRect panel_rect = getRect();
+	panel_rect.setLeftTopAndSize( panel_rect.mLeft, panel_rect.mTop, width	, 35 + new_height);
+	
+	reshape( width, panel_rect.getHeight(), 1);
+	
+	setRect(panel_rect);
+}
+
+void LLChatItemCtrl::onMouseLeave			(S32 x, S32 y, MASK mask)
+{
+	LLPanel* caption = getChild<LLPanel>("msg_caption",false,false);
+	if(!caption)
+		return;
+	LLUICtrl* msg_inspector = caption->getChild<LLUICtrl>("msg_inspector");
+	if(msg_inspector)
+		msg_inspector->setVisible(false);
+	
+}
+void LLChatItemCtrl::onMouseEnter				(S32 x, S32 y, MASK mask)
+{
+	LLPanel* caption = getChild<LLPanel>("msg_caption",false,false);
+	if(!caption)
+		return;
+	LLUICtrl* msg_inspector = caption->getChild<LLUICtrl>("msg_inspector");
+	if(msg_inspector)
+		msg_inspector->setVisible(true);
+}
+
+BOOL	LLChatItemCtrl::handleMouseDown	(S32 x, S32 y, MASK mask)
+{
+	LLPanel* caption = getChild<LLPanel>("msg_caption",false,false);
+	if(mOriginalMessage.mSourceType == CHAT_SOURCE_AGENT && caption)
+	{
+		LLUICtrl* msg_inspector = caption->getChild<LLUICtrl>("msg_inspector");
+		if(msg_inspector)
+		{
+			S32 local_x = x - msg_inspector->getRect().mLeft - caption->getRect().mLeft;
+			S32 local_y = y - msg_inspector->getRect().mBottom - caption->getRect().mBottom;
+			if(msg_inspector->pointInView(local_x, local_y))
+			{
+				LLFloaterReg::showInstance("mini_inspector", mOriginalMessage.mFromID);
+			}
+		}
+	}
+	return LLPanel::handleMouseDown(x,y,mask);
+}
+
+void	LLChatItemCtrl::setHeaderVisibility(EShowItemHeader e)
+{
+	LLPanel* caption = getChild<LLPanel>("msg_caption",false,false);
+	if(!caption)
+		return;
+
+	LLUICtrl* icon = caption->getChild<LLUICtrl>("avatar_icon",false,false);
+	LLUICtrl* name = caption->getChild<LLUICtrl>("sender_name",false,false);
+
+	if(icon == 0 || name == 0)
+		return;
+
+	icon->setVisible(e == CHATITEMHEADER_SHOW_ONLY_ICON || e==CHATITEMHEADER_SHOW_BOTH);
+	name->setVisible(e == CHATITEMHEADER_SHOW_ONLY_NAME || e==CHATITEMHEADER_SHOW_BOTH);
+
+}
+
+bool	LLChatItemCtrl::canAddText	()
+{
+	LLChatMsgBox* msg_text = getChild<LLChatMsgBox>("msg_text",false,false);
+	if(!msg_text )
+		return false;
+	return msg_text->getTextLinesNum()<10;
+}
+
+
+//*******************************************************************************************************************
+//LLChatItemsContainerCtrl
+//*******************************************************************************************************************
+
+LLChatItemsContainerCtrl::LLChatItemsContainerCtrl(const Params& params):LLPanel(params)
+{
+	mEShowItemHeader = CHATITEMHEADER_SHOW_BOTH;
+}
+
+
+void	LLChatItemsContainerCtrl::addMessage(const LLChat& msg)
+{
+	/*
+	if(msg.mChatType == CHAT_TYPE_DEBUG_MSG)
+		return;
+	*/
+	if(mItems.size() >= MAX_CHAT_HISTORY)
+	{
+		LLChatItemCtrl* item = mItems[0];
+		removeChild(item);
+		delete item;
+	}
+
+	
+	if(mItems.size() > 0 && msg.mFromID == mItems[mItems.size()-1]->getMessage().mFromID && mItems[mItems.size()-1]->canAddText())
+	{
+		mItems[mItems.size()-1]->addText(msg.mText);
+		mItems[mItems.size()-1]->setWidth(getRect().getWidth() - 16);
+	}
+	else
+	{
+		LLChatItemCtrl* item = LLChatItemCtrl::createInstance();
+		mItems.push_back(item);
+		addChild(item,0);
+		item->setWidth(getRect().getWidth() - 16);
+		item->setMessage(msg);
+		item->setHeaderVisibility((EShowItemHeader)gSavedSettings.getS32("nearbychat_showicons_and_names"));
+
+		item->setVisible(true);
+	}
+
+	arrange(getRect().getWidth(),getRect().getHeight());
+	updateLayout(getRect().getWidth(),getRect().getHeight());
+	scrollToBottom();
+}
+
+void	LLChatItemsContainerCtrl::scrollToBottom	()
+{
+	if(mScrollbar->getVisible())
+	{
+		mScrollbar->setDocPos(mScrollbar->getDocPosMax());
+		onScrollPosChangeCallback(0,0);
+	}
+}
+
+void	LLChatItemsContainerCtrl::draw()
+{
+	LLLocalClipRect clip(getRect());
+	LLPanel::draw();
+}
+
+void	LLChatItemsContainerCtrl::reshape					(S32 width, S32 height, BOOL called_from_parent )
+{
+	S32 delta_width = width - getRect().getWidth();
+	S32 delta_height = height - getRect().getHeight();
+
+	if (delta_width || delta_height || sForceReshape)
+	{
+		arrange(width, height);
+	}
+
+	updateBoundingRect();
+}
+
+void	LLChatItemsContainerCtrl::arrange					(S32 width, S32 height)
+{
+	S32 delta_width = width - getRect().getWidth();
+	if(delta_width)//width changed...too bad. now we need to reformat all items
+		reformatHistoryScrollItems(width);
+
+	calcRecuiredHeight();
+
+	show_hide_scrollbar(width,height);
+
+	updateLayout(width,height);
+}
+
+void	LLChatItemsContainerCtrl::reformatHistoryScrollItems(S32 width)
+{
+	for(std::vector<LLChatItemCtrl*>::iterator it = mItems.begin(); it != mItems.end();++it)
+	{
+		(*it)->setWidth(width);
+	}
+}
+
+S32		LLChatItemsContainerCtrl::calcRecuiredHeight	()
+{
+	S32 rec_height = 0;
+	
+	std::vector<LLChatItemCtrl*>::iterator it;
+	for(it=mItems.begin(); it!=mItems.end(); ++it)
+	{
+		rec_height += (*it)->getRect().getHeight();
+	}
+
+	mInnerRect.setLeftTopAndSize(0,rec_height + BORDER_MARGIN*2,getRect().getWidth(),rec_height + BORDER_MARGIN);
+
+	return mInnerRect.getHeight();
+}
+
+
+void	LLChatItemsContainerCtrl::updateLayout				(S32 width, S32 height)
+{
+	S32 panel_top = height - BORDER_MARGIN ;
+	S32 panel_width = width;
+	if(mScrollbar->getVisible())
+	{
+		static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
+		
+		panel_top+=mScrollbar->getDocPos();
+		panel_width-=scrollbar_size;
+	}
+
+
+	//set sizes for first pannels and dragbars
+	for(size_t i=0;i<mItems.size();++i)
+	{
+		LLRect panel_rect = mItems[i]->getRect();
+		panelSetLeftTopAndSize(mItems[i],panel_rect.mLeft,panel_top,panel_width,panel_rect.getHeight());
+		panel_top-=panel_rect.getHeight();
+	}
+}
+
+void	LLChatItemsContainerCtrl::show_hide_scrollbar		(S32 width, S32 height)
+{
+	calcRecuiredHeight();
+	if(getRecuiredHeight() > height )
+		showScrollbar(width, height);
+	else
+		hideScrollbar(width, height);
+}
+
+void	LLChatItemsContainerCtrl::showScrollbar			(S32 width, S32 height)
+{
+	bool was_visible = mScrollbar->getVisible();
+
+	mScrollbar->setVisible(true);
+
+	static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
+	
+	panelSetLeftTopAndSize(mScrollbar,width-scrollbar_size
+		,height-PARENT_BORDER_MARGIN,scrollbar_size,height-2*PARENT_BORDER_MARGIN);
+	
+	mScrollbar->setPageSize(height);
+	mScrollbar->setDocParams(mInnerRect.getHeight(),mScrollbar->getDocPos());
+
+	if(was_visible)
+	{
+		S32 scroll_pos = llmin(mScrollbar->getDocPos(), getRecuiredHeight() - height - 1);
+		mScrollbar->setDocPos(scroll_pos);
+		updateLayout(width,height);
+		return;
+	}
+}
+
+void	LLChatItemsContainerCtrl::hideScrollbar			(S32 width, S32 height)
+{
+	if(mScrollbar->getVisible() == false)
+		return;
+	mScrollbar->setVisible(false);
+
+	mScrollbar->setDocPos(0);
+
+	if(mItems.size()>0)
+	{
+		S32 panel_top = height - BORDER_MARGIN;		  // Top coordinate of the first panel
+		S32 diff = panel_top - mItems[0]->getRect().mTop;
+		shiftPanels(diff);
+	}
+}
+
+//---------------------------------------------------------------------------------
+void LLChatItemsContainerCtrl::panelSetLeftTopAndSize(LLView* panel, S32 left, S32 top, S32 width, S32 height)
+{
+	if(!panel)
+		return;
+	LLRect panel_rect = panel->getRect();
+	panel_rect.setLeftTopAndSize( left, top, width, height);
+	panel->reshape( width, height, 1);
+	panel->setRect(panel_rect);
+}
+
+void LLChatItemsContainerCtrl::panelShiftVertical(LLView* panel,S32 delta)
+{
+	if(!panel)
+		return;
+	panel->translate(0,delta);
+}
+
+void LLChatItemsContainerCtrl::shiftPanels(S32 delta)
+{
+	//Arrange panels
+	for(std::vector<LLChatItemCtrl*>::iterator it = mItems.begin(); it != mItems.end();++it)
+	{
+		panelShiftVertical((*it),delta);
+	}	
+
+}
+
+//---------------------------------------------------------------------------------
+
+void	LLChatItemsContainerCtrl::onScrollPosChangeCallback(S32, LLScrollbar*)
+{
+	updateLayout(getRect().getWidth(),getRect().getHeight());
+}
+
+BOOL LLChatItemsContainerCtrl::postBuild()
+{
+	static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
+
+	LLRect scroll_rect;
+	scroll_rect.setOriginAndSize( 
+		getRect().getWidth() - scrollbar_size,
+		1,
+		scrollbar_size,
+		getRect().getHeight() - 1);
+	
+
+	LLScrollbar::Params sbparams;
+	sbparams.name("scrollable vertical");
+	sbparams.rect(scroll_rect);
+	sbparams.orientation(LLScrollbar::VERTICAL);
+	sbparams.doc_size(mInnerRect.getHeight());
+	sbparams.doc_pos(0);
+	sbparams.page_size(mInnerRect.getHeight());
+	sbparams.step_size(VERTICAL_MULTIPLE);
+	sbparams.follows.flags(FOLLOWS_RIGHT | FOLLOWS_TOP | FOLLOWS_BOTTOM);
+	sbparams.change_callback(boost::bind(&LLChatItemsContainerCtrl::onScrollPosChangeCallback, this, _1, _2));
+	
+	mScrollbar = LLUICtrlFactory::create<LLScrollbar> (sbparams);
+	LLView::addChild( mScrollbar );
+	mScrollbar->setVisible( true );
+	mScrollbar->setFollowsRight();
+	mScrollbar->setFollowsTop();
+	mScrollbar->setFollowsBottom();
+
+	reformatHistoryScrollItems(getRect().getWidth());
+	arrange(getRect().getWidth(),getRect().getHeight());
+
+	return LLPanel::postBuild();
+}
+BOOL	LLChatItemsContainerCtrl::handleMouseDown	(S32 x, S32 y, MASK mask)
+{
+	return LLPanel::handleMouseDown(x,y,mask);
+}
+BOOL LLChatItemsContainerCtrl::handleKeyHere			(KEY key, MASK mask)
+{
+	if( mScrollbar->getVisible() && mScrollbar->handleKeyHere( key,mask ) )
+		return TRUE;
+	return LLPanel::handleKeyHere(key,mask);
+}
+BOOL LLChatItemsContainerCtrl::handleScrollWheel		( S32 x, S32 y, S32 clicks )
+{
+	if( mScrollbar->getVisible() && mScrollbar->handleScrollWheel( 0, 0, clicks ) )
+		return TRUE;
+	return false;
+}
+
+void	LLChatItemsContainerCtrl::setHeaderVisibility(EShowItemHeader e)
+{
+	if(e == mEShowItemHeader)
+		return;
+	mEShowItemHeader = e;
+	for(std::vector<LLChatItemCtrl*>::iterator it = mItems.begin(); it != mItems.end();++it)
+	{
+		(*it)->setHeaderVisibility(e);
+	}
+}
+
+