From 48540940b6c28bb4378abfeb500ec45a625b37b6 Mon Sep 17 00:00:00 2001
From: Vadim Dashevskiy <watcherhd@gmail.com>
Date: Tue, 15 May 2012 10:38:20 +0000
Subject: initial commit

git-svn-id: http://svn.miranda-ng.org/main/trunk@2 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
---
 plugins/tabsrmm/src/sidebar.cpp | 1232 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 1232 insertions(+)
 create mode 100644 plugins/tabsrmm/src/sidebar.cpp

(limited to 'plugins/tabsrmm/src/sidebar.cpp')

diff --git a/plugins/tabsrmm/src/sidebar.cpp b/plugins/tabsrmm/src/sidebar.cpp
new file mode 100644
index 0000000000..85dbf3e6c3
--- /dev/null
+++ b/plugins/tabsrmm/src/sidebar.cpp
@@ -0,0 +1,1232 @@
+/*
+ * astyle --force-indent=tab=4 --brackets=linux --indent-switches
+ *		  --pad=oper --one-line=keep-blocks  --unpad=paren
+ *
+ * Miranda IM: the free IM client for Microsoft* Windows*
+ *
+ * Copyright 2000-2009 Miranda ICQ/IM project,
+ * all portions of this codebase are copyrighted to the people
+ * listed in contributors.txt.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * you should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * part of tabSRMM messaging plugin for Miranda.
+ *
+ * (C) 2005-2010 by silvercircle _at_ gmail _dot_ com and contributors
+ *
+ * $Id: sidebar.cpp 12647 2010-09-09 22:17:49Z silvercircle $
+ *
+ * the contact switch bar on the left (or right) side
+ *
+ */
+
+#include "commonheaders.h"
+
+extern int TSAPI TBStateConvert2Flat(int state);
+extern int TSAPI RBStateConvert2Flat(int state);
+extern void TSAPI FillTabBackground(const HDC hdc, int iStateId, const TWindowData* dat, RECT* rc);
+
+TSideBarLayout CSideBar::m_layouts[CSideBar::NR_LAYOUTS] = {
+	{
+		_T("Like tabs, vertical text orientation"),
+		26, 30,
+		SIDEBARLAYOUT_DYNHEIGHT | SIDEBARLAYOUT_VERTICALORIENTATION,
+		CSideBar::m_DefaultContentRenderer,
+		CSideBar::m_DefaultBackgroundRenderer,
+		NULL,
+		NULL,
+		SIDEBARLAYOUT_VERTICAL
+	},
+	{
+		_T("Compact layout, horizontal buttons"),
+		100, 24,
+		0,
+		CSideBar::m_DefaultContentRenderer,
+		CSideBar::m_DefaultBackgroundRenderer,
+		NULL,
+		NULL,
+		SIDEBARLAYOUT_NORMAL
+	},
+	{
+		_T("Advanced layout with avatars"),
+		140, 40,
+		SIDEBARLAYOUT_NOCLOSEBUTTONS,
+		CSideBar::m_AdvancedContentRenderer,
+		CSideBar::m_DefaultBackgroundRenderer,
+		NULL,
+		NULL,
+		SIDEBARLAYOUT_NORMAL
+	},
+	{
+		_T("Advanced with avatars, vertical orientation"),
+		40, 40,
+		SIDEBARLAYOUT_DYNHEIGHT | SIDEBARLAYOUT_VERTICALORIENTATION | SIDEBARLAYOUT_NOCLOSEBUTTONS,
+		CSideBar::m_AdvancedContentRenderer,
+		CSideBar::m_DefaultBackgroundRenderer,
+		CSideBar::m_measureAdvancedVertical,
+		NULL,
+		SIDEBARLAYOUT_VERTICAL
+	}
+};
+
+CSideBarButton::CSideBarButton(const TWindowData *dat, CSideBar *sideBar)
+{
+	m_dat = dat;
+	m_id = reinterpret_cast<UINT>(dat->hContact);								// set the control id
+	m_sideBar = sideBar;
+	_create();
+}
+
+CSideBarButton::CSideBarButton(const UINT id, CSideBar *sideBar)
+{
+	m_dat = 0;
+	m_id = id;
+	m_sideBar = sideBar;
+	_create();
+}
+
+/**
+ * Internal method to create the button item and configure the associated button control
+ */
+void CSideBarButton::_create()
+{
+	m_hwnd = 0;
+	m_isTopAligned = true;
+	m_sz.cx = m_sz.cy = 0;
+
+	m_hwnd = ::CreateWindowEx(0, _T("TSButtonClass"), _T(""), WS_CHILD | WS_TABSTOP | WS_CLIPCHILDREN | WS_CLIPSIBLINGS,
+							  0, 0, 40, 40, m_sideBar->getScrollWnd(), reinterpret_cast<HMENU>(m_id), g_hInst, NULL);
+
+	if(m_hwnd) {
+		::SendMessage(m_hwnd, BUTTONSETASSIDEBARBUTTON, 0, (LPARAM)this);
+		::SendMessage(m_hwnd, BUTTONSETASFLATBTN, 1,  1);
+		::SendMessage(m_hwnd, BUTTONSETASFLATBTN + 10, 1,  1);
+		::SendMessage(m_hwnd, BUTTONSETASFLATBTN + 12, 0, (LPARAM)m_sideBar->getContainer());
+		m_buttonControl = (MButtonCtrl *)::GetWindowLongPtr(m_hwnd, 0);
+	}
+	else
+		delete this;
+
+	if(m_id == IDC_SIDEBARUP || m_id == IDC_SIDEBARDOWN)
+		::SetParent(m_hwnd, m_sideBar->getContainer()->hwnd);
+}
+
+CSideBarButton::~CSideBarButton()
+{
+	if(m_hwnd) {
+		::SendMessage(m_hwnd, BUTTONSETASSIDEBARBUTTON, 0, 0);		// make sure, the button will no longer call us back
+		::DestroyWindow(m_hwnd);
+	}
+}
+
+void CSideBarButton::Show(const int showCmd) const
+{
+	::ShowWindow(m_hwnd, showCmd);
+}
+
+/**
+ * Measure the metrics for the current item. The side bar layouting will call this
+ * whenever a layout with a dynamic height is active). For fixed dimension layouts,
+ * m_elementWidth and m_elementHeight will be used.
+ *
+ * @return SIZE&: reference to the item's size member. The caller may use cx and cy values
+ *         to determine further layouting actions.
+ */
+const SIZE& CSideBarButton::measureItem()
+{
+	SIZE	 sz;
+
+	if(m_sideBarLayout->pfnMeasureItem)
+		m_sideBarLayout->pfnMeasureItem(this);        // use the current layout's function, if available, else use default
+	else {
+		HDC dc = ::GetDC(m_hwnd);
+		TCHAR	 tszLabel[255];
+
+		HFONT oldFont = reinterpret_cast<HFONT>(::SelectObject(dc, ::GetStockObject(DEFAULT_GUI_FONT)));
+
+		mir_sntprintf(tszLabel, 255, _T("%s"), m_dat->newtitle);
+		::GetTextExtentPoint32(dc, tszLabel, lstrlen(tszLabel), &sz);
+
+		sz.cx += 28;
+		if(m_dat->pContainer->dwFlagsEx & TCF_CLOSEBUTTON)
+			sz.cx += 20;
+
+		if(m_sideBarLayout->dwFlags & CSideBar::SIDEBARLAYOUT_VERTICALORIENTATION)
+			m_sz.cy = sz.cx;
+		else
+			m_sz.cx = sz.cx;
+
+		::SelectObject(dc, oldFont);
+		::ReleaseDC(m_hwnd, dc);
+	}
+	return(m_sz);
+}
+/**
+ * Render the button item. Callback from the button window procedure
+ *
+ * @param ctl    MButtonCtrl *: pointer to the private button data structure
+ * @param hdc    HDC: device context for painting
+ */
+void CSideBarButton::RenderThis(const HDC hdc) const
+{
+	RECT		rc;
+	LONG		cx, cy;
+	HDC			hdcMem = 0;
+	bool		fVertical = (m_sideBarLayout->dwFlags & CSideBar::SIDEBARLAYOUT_VERTICALORIENTATION) ? true : false;
+	HBITMAP		hbmMem, hbmOld;
+	HANDLE		hbp = 0;
+
+	::GetClientRect(m_hwnd, &rc);
+
+	if(m_id == IDC_SIDEBARUP || m_id == IDC_SIDEBARDOWN)
+		fVertical = false;
+
+	if(fVertical) {
+		cx = rc.bottom;
+		cy = rc.right;
+	}
+	else {
+		cx = rc.right;
+		cy = rc.bottom;
+	}
+
+	hdcMem = ::CreateCompatibleDC(hdc);
+
+	if(fVertical) {
+		RECT	rcFlipped = {0,0,cx,cy};
+		hbmMem = CSkin::CreateAeroCompatibleBitmap(rcFlipped, hdcMem);
+		rc = rcFlipped;
+	}
+	else
+		hbmMem = CSkin::CreateAeroCompatibleBitmap(rc, hdcMem);
+
+	hbmOld = reinterpret_cast<HBITMAP>(::SelectObject(hdcMem, hbmMem));
+
+	HFONT hFontOld = reinterpret_cast<HFONT>(::SelectObject(hdcMem, ::GetStockObject(DEFAULT_GUI_FONT)));
+
+	m_sideBarLayout->pfnBackgroundRenderer(hdcMem, &rc, this);
+	m_sideBarLayout->pfnContentRenderer(hdcMem, &rc, this);
+
+	::SelectObject(hdcMem, hFontOld);
+
+	/*
+	 * for vertical tabs, we did draw to a rotated rectangle, so we now must rotate the
+	 * final bitmap back to it's original orientation
+	 */
+
+	if(fVertical) {
+		::SelectObject(hdcMem, hbmOld);
+
+		FIBITMAP *fib = FIF->FI_CreateDIBFromHBITMAP(hbmMem);
+		FIBITMAP *fib_new = FIF->FI_RotateClassic(fib, 90.0f);
+		FIF->FI_Unload(fib);
+		::DeleteObject(hbmMem);
+		hbmMem = FIF->FI_CreateHBITMAPFromDIB(fib_new);
+		FIF->FI_Unload(fib_new);
+		hbmOld =reinterpret_cast<HBITMAP>(::SelectObject(hdcMem, hbmMem));
+		::BitBlt(hdc, 0, 0, cy, cx, hdcMem, 0, 0, SRCCOPY);
+		::SelectObject(hdcMem, hbmOld);
+		::DeleteObject(hbmMem);
+		::DeleteDC(hdcMem);
+	}
+	else {
+		::BitBlt(hdc, 0, 0, cx, cy, hdcMem, 0, 0, SRCCOPY);
+		::SelectObject(hdcMem, hbmOld);
+		::DeleteObject(hbmMem);
+		::DeleteDC(hdcMem);
+	}
+	return;
+}
+
+/**
+ * render basic button content like nickname and icon. Used for the basic layouts
+ * only. Pretty much the same code as used for the tabs.
+ *
+ * @param hdc	 : target device context
+ * @param rcItem : rectangle to render into
+ */
+void CSideBarButton::renderIconAndNick(const HDC hdc, const RECT *rcItem) const
+{
+	HICON	hIcon;
+	RECT	rc = *rcItem;
+	DWORD	dwTextFlags = DT_SINGLELINE | DT_VCENTER;
+	int		stateId = m_buttonControl->stateId;
+	int		iSize = 16;
+	const 	TContainerData *pContainer = m_sideBar->getContainer();
+
+	if(m_dat && pContainer) {
+		hIcon = m_dat->cache->getIcon(iSize);
+
+		if (m_dat->mayFlashTab == FALSE || (m_dat->mayFlashTab == TRUE && m_dat->bTabFlash != 0) || !(pContainer->dwFlagsEx & TCF_FLASHICON)) {
+			DWORD ix = rc.left + 4;
+			DWORD iy = (rc.bottom + rc.top - iSize) / 2;
+			if (m_dat->dwFlagsEx & MWF_SHOW_ISIDLE && PluginConfig.m_IdleDetect)
+				CSkin::DrawDimmedIcon(hdc, ix, iy, iSize, iSize, hIcon, 180);
+			else
+				::DrawIconEx(hdc, ix, iy, hIcon, iSize, iSize, 0, NULL, DI_NORMAL | DI_COMPAT);
+		}
+
+		rc.left += (iSize + 7);
+
+		/*
+		 * draw the close button if enabled
+		 */
+		if(m_sideBar->getContainer()->dwFlagsEx & TCF_CLOSEBUTTON) {
+			if(m_sideBar->getHoveredClose() != this)
+				CSkin::m_default_bf.SourceConstantAlpha = 150;
+
+			CMimAPI::m_MyAlphaBlend(hdc, rc.right - 20, (rc.bottom + rc.top - 16) / 2, 16, 16, CSkin::m_tabCloseHDC,
+									0, 0, 16, 16, CSkin::m_default_bf);
+
+			rc.right -= 19;
+			CSkin::m_default_bf.SourceConstantAlpha = 255;
+		}
+
+		::SetBkMode(hdc, TRANSPARENT);
+
+		if (m_dat->mayFlashTab == FALSE || (m_dat->mayFlashTab == TRUE && m_dat->bTabFlash != 0) || !(pContainer->dwFlagsEx & TCF_FLASHLABEL)) {
+			bool  	 fIsActive = (m_sideBar->getActiveItem() == this ? true : false);
+			COLORREF clr = 0;
+			dwTextFlags |= DT_WORD_ELLIPSIS;
+
+			if (fIsActive || stateId == PBS_PRESSED)
+				clr = PluginConfig.tabConfig.colors[1];
+			else if (stateId == PBS_HOT)
+				clr = PluginConfig.tabConfig.colors[3];
+			else
+				clr = PluginConfig.tabConfig.colors[0];
+
+			CSkin::RenderText(hdc, m_buttonControl->hThemeButton, m_dat->newtitle, &rc, dwTextFlags, CSkin::m_glowSize, clr);
+		}
+	}
+}
+
+/**
+ * test if we have the mouse pointer over our close button.
+ * @return: 1 if the pointer is inside the button's rect, -1 otherwise
+ */
+int CSideBarButton::testCloseButton() const
+{
+	if(m_id == IDC_SIDEBARUP || m_id == IDC_SIDEBARDOWN)							// scroller buttons don't have a close button
+		return(-1);
+
+	if(m_sideBar->getContainer()->dwFlagsEx & TCF_CLOSEBUTTON && !(getLayout()->dwFlags & CSideBar::SIDEBARLAYOUT_NOCLOSEBUTTONS)) {
+		POINT pt;
+		::GetCursorPos(&pt);
+		::ScreenToClient(m_hwnd, &pt);
+		RECT rc;
+
+		::GetClientRect(m_hwnd, &rc);
+		if(getLayout()->dwFlags & CSideBar::SIDEBARLAYOUT_VERTICALORIENTATION) {
+			rc.bottom = rc.top + 18; rc.top += 2;
+			rc.left += 2; rc.right -= 2;
+			if(::PtInRect(&rc, pt))
+				return(1);
+		}
+		else {
+			rc.bottom -= 4; rc.top += 4;
+			rc.right -= 3; rc.left = rc.right - 16;
+			if(::PtInRect(&rc, pt))
+				return(1);
+		}
+	}
+	return(-1);
+}
+/**
+ * call back from the button window procedure. Activate my session
+ */
+void CSideBarButton::activateSession() const
+{
+	if(m_dat)
+		::SendMessage(m_dat->hwnd, DM_ACTIVATEME, 0, 0);					// the child window will activate itself
+}
+
+/**
+ * show the context menu (same as on tabs
+ */
+void CSideBarButton::invokeContextMenu()
+{
+	const TContainerData* pContainer = m_sideBar->getContainer();
+
+	if(pContainer) {
+		TSideBarNotify tsn = {0};
+		tsn.nmHdr.code = NM_RCLICK;
+		tsn.nmHdr.idFrom = 5000;
+		tsn.nmHdr.hwndFrom = ::GetDlgItem(pContainer->hwnd, 5000);
+		tsn.dat = m_dat;
+		::SendMessage(pContainer->hwnd, WM_NOTIFY, 0, reinterpret_cast<LPARAM>(&tsn));
+	}
+}
+
+CSideBar::CSideBar(TContainerData *pContainer)
+{
+	m_pContainer = pContainer;
+	m_up = m_down = 0;
+	m_hwndScrollWnd = 0;
+	m_buttonlist.clear();
+	m_activeItem = 0;
+	m_isVisible = true;
+
+	Init(true);
+}
+
+CSideBar::~CSideBar()
+{
+	destroyScroller();
+	m_buttonlist.clear();
+
+	if(m_hwndScrollWnd)
+		::DestroyWindow(m_hwndScrollWnd);
+}
+
+void CSideBar::Init(const bool fForce)
+{
+	m_iTopButtons = m_iBottomButtons = 0;
+	m_topHeight = m_bottomHeight = 0;
+	m_firstVisibleOffset = 0;
+	m_totalItemHeight = 0;
+
+	m_uLayout = (m_pContainer->dwFlagsEx & 0xff000000) >> 24;
+	m_uLayout = ((m_uLayout >= 0 && m_uLayout < NR_LAYOUTS) ? m_uLayout : 0);
+
+	m_currentLayout = &m_layouts[m_uLayout];
+
+	m_dwFlags = m_currentLayout->dwFlags;
+
+	m_dwFlags = (m_pContainer->dwFlagsEx & TCF_SBARLEFT ? m_dwFlags | SIDEBARORIENTATION_LEFT : m_dwFlags & ~SIDEBARORIENTATION_LEFT);
+	m_dwFlags = (m_pContainer->dwFlagsEx & TCF_SBARRIGHT ? m_dwFlags | SIDEBARORIENTATION_RIGHT : m_dwFlags & ~SIDEBARORIENTATION_RIGHT);
+
+	if(m_pContainer->dwFlags & CNT_SIDEBAR) {
+		if(m_hwndScrollWnd == 0)
+			m_hwndScrollWnd = ::CreateWindowEx(0, _T("TS_SideBarClass"), _T(""), WS_CLIPCHILDREN | WS_CLIPSIBLINGS |  WS_VISIBLE | WS_CHILD,
+											   0, 0, m_width, 40, m_pContainer->hwnd, reinterpret_cast<HMENU>(5000), g_hInst, this);
+
+		m_isActive = true;
+		m_isVisible = m_isActive ? m_isVisible : true;
+		createScroller();
+		m_elementHeight = m_currentLayout->height;
+		m_elementWidth = m_currentLayout->width;
+		m_width = m_elementWidth + 4;
+		populateAll();
+		if(m_activeItem)
+			setActiveItem(m_activeItem);
+	}
+	else {
+		destroyScroller();
+		m_width = 0;
+		m_isActive = m_isVisible = false;
+		m_activeItem = 0;
+
+		removeAll();
+		if(m_hwndScrollWnd)
+			::DestroyWindow(m_hwndScrollWnd);
+		m_hwndScrollWnd = 0;
+	}
+}
+
+/**
+ * sets visibility status for the sidebar. An invisible sidebar (collapsed
+ * by the button in the message dialog) will remain active, it will, however
+ * not do any drawing or other things that are only visually important.
+ *
+ * @param fNewVisible : set the new visibility status
+ */
+void CSideBar::setVisible(bool fNewVisible)
+{
+	m_isVisible = fNewVisible;
+
+	/*
+	 * only needed on hiding. Layout() will do it when showing it
+	 */
+
+	if(!m_isVisible)
+		showAll(SW_HIDE);
+	else {
+		m_up->Show(SW_SHOW);
+		m_down->Show(SW_SHOW);
+	}
+}
+
+/**
+ * Create both scrollbar buttons which can be used to scroll the switchbar
+ * up and down.
+ */
+void CSideBar::createScroller()
+{
+	if(m_up == 0)
+		m_up = new CSideBarButton(IDC_SIDEBARUP, this);
+	if(m_down == 0)
+		m_down = new CSideBarButton(IDC_SIDEBARDOWN, this);
+
+	m_up->setLayout(m_currentLayout);
+	m_down->setLayout(m_currentLayout);
+}
+
+/**
+ * Destroy the scroller buttons.
+ */
+void CSideBar::destroyScroller()
+{
+	if(m_up) {
+		delete m_up;
+		m_up = 0;
+	}
+	if(m_down) {
+		delete m_down;
+		m_down = 0;
+	}
+}
+
+/**
+ * remove all buttons from the current list
+ * Does not remove the sessions. This is basically only used when switching
+ * from a sidebar to a tabbed interface
+ */
+void CSideBar::removeAll()
+{
+	ButtonIterator item = m_buttonlist.begin();
+
+	while(item != m_buttonlist.end()) {
+		delete *item;
+		item++;
+	}
+	m_buttonlist.clear();
+}
+
+/**
+ * popuplate the side bar with all sessions inside the current window. Information
+ * is gathered from the tab control, which remains active (but invisible) when the
+ * switch bar is in use.
+ *
+ * This is needed when the user switches from tabs to a switchbar layout while a
+ * window is open.
+ */
+void CSideBar::populateAll()
+{
+	HWND	hwndTab = ::GetDlgItem(m_pContainer->hwnd, IDC_MSGTABS);
+
+	if(hwndTab) {
+		int			iItems = (int)TabCtrl_GetItemCount(hwndTab);
+		TCITEM		item = {0};
+
+		item.mask = TCIF_PARAM;
+		std::vector<CSideBarButton *>::iterator b_item;
+
+		m_iTopButtons = 0;
+
+		for(int i = 0; i < iItems; i++) {
+			TabCtrl_GetItem(hwndTab, i, &item);
+			if(item.lParam && ::IsWindow((HWND)item.lParam)) {
+				TWindowData *dat = (TWindowData *)::GetWindowLongPtr((HWND)item.lParam, GWLP_USERDATA);
+				if(dat) {
+			    	if((b_item = findSession(dat)) == m_buttonlist.end())
+						addSession(dat, i);
+					else {
+						(*b_item)->setLayout(m_currentLayout);
+						if(m_dwFlags & SIDEBARLAYOUT_VERTICALORIENTATION) {
+							(*b_item)->measureItem();
+							m_topHeight += ((*b_item)->getHeight() + 1);
+						}
+						else
+							m_topHeight += (m_elementHeight + 1);
+					}
+				}
+			}
+		}
+	}
+}
+/**
+ * Add a new session to the switchbar.
+ *
+ * @param dat    _MessageWindowData *: session data for a client session. Must be fully initialized
+ *               (that is, it can only be used after WM_INITIALOG completed).
+ *        position: -1 = append, otherwise insert it at the given position
+ */
+void CSideBar::addSession(const TWindowData *dat, int position)
+{
+	if(!m_isActive)
+		return;
+
+	CSideBarButton *item = new CSideBarButton(dat, this);
+
+	item->setLayout(m_currentLayout);
+
+	if(m_dwFlags & SIDEBARLAYOUT_DYNHEIGHT) {
+		SIZE sz = item->measureItem();
+		m_topHeight += (sz.cy + 1);
+	}
+	else
+		m_topHeight += (m_elementHeight + 1);
+
+	m_iTopButtons++;
+	if(position == -1 || (size_t)position >= m_buttonlist.size())
+		m_buttonlist.push_back(item);
+	else {
+		ButtonIterator it = m_buttonlist.begin() + position;
+		m_buttonlist.insert(it, item);
+	}
+	SendDlgItemMessage(dat->hwnd, dat->bType == SESSIONTYPE_IM ? IDC_TOGGLESIDEBAR : IDC_CHAT_TOGGLESIDEBAR, BM_SETIMAGE, IMAGE_ICON,
+					   (LPARAM)(m_dwFlags & SIDEBARORIENTATION_LEFT ? PluginConfig.g_buttonBarIcons[ICON_DEFAULT_LEFT] : PluginConfig.g_buttonBarIcons[ICON_DEFAULT_RIGHT]));
+
+	Invalidate();
+}
+
+/**
+ * Remove a new session from the switchbar.
+ *
+ * @param dat    _MessageWindowData *: session data for a client session.
+ */
+HRESULT CSideBar::removeSession(const TWindowData *dat)
+{
+	if(dat) {
+		std::vector<CSideBarButton *>::iterator item = findSession(dat);
+
+		if(item != m_buttonlist.end()) {
+			m_iTopButtons--;
+			if(m_dwFlags & SIDEBARLAYOUT_DYNHEIGHT) {
+				SIZE sz = (*item)->getSize();
+				m_topHeight -= (sz.cy + 1);
+			}
+			else
+				m_topHeight -= (m_elementHeight + 1);
+			delete *item;
+			m_buttonlist.erase(item);
+			Invalidate();
+			return(S_OK);
+		}
+	}
+	return(S_FALSE);
+}
+
+/**
+ * make sure the given item is visible in a scrolled switch bar
+ *
+ * @param item   CSideBarButtonItem*: the item which must be visible in the switch bar
+ */
+void CSideBar::scrollIntoView(const CSideBarButton *item)
+{
+	LONG	spaceUsed = 0, itemHeight;
+	bool	fNeedLayout = false;
+
+	if(!m_isActive)
+		return;
+
+	if(item == 0)
+		item = m_activeItem;
+
+	ButtonIterator it = m_buttonlist.begin();
+
+	while(it != m_buttonlist.end()) {
+		itemHeight = (*it)->getHeight();
+		spaceUsed += (itemHeight + 1);
+		if(*it == item )
+			break;
+		it++;
+	}
+
+	RECT	rc;
+	GetClientRect(m_hwndScrollWnd, &rc);
+
+	if(m_topHeight <= rc.bottom) {
+		m_firstVisibleOffset = 0;
+		Layout();
+		return;
+	}
+	if(it == m_buttonlist.end() || (it == m_buttonlist.begin() && m_firstVisibleOffset == 0)) {
+		Layout();
+		return;									// do nothing for the first item and .end() should not really happen
+	}
+
+	if(spaceUsed <= rc.bottom && spaceUsed - (itemHeight + 1) >= m_firstVisibleOffset) {
+		Layout();
+		return;						// item fully visible, do nothing
+	}
+
+	/*
+	* button partially or not at all visible at the top
+	*/
+	if(spaceUsed < m_firstVisibleOffset || spaceUsed - (itemHeight + 1) < m_firstVisibleOffset) {
+		m_firstVisibleOffset = spaceUsed - (itemHeight + 1);
+		fNeedLayout = true;
+	} else {
+		if(spaceUsed > rc.bottom) {				// partially or not at all visible at the bottom
+			fNeedLayout = true;
+			m_firstVisibleOffset = spaceUsed - rc.bottom;
+		}
+	}
+
+	//if(fNeedLayout)
+		Layout();
+}
+/**
+ * Invalidate the button associated with the given session.
+ *
+ * @param dat    _MessageWindowData*: Session data
+ */
+void CSideBar::updateSession(const TWindowData *dat)
+{
+	if(!m_isVisible || !m_isActive)
+		return;
+
+	ButtonIterator item = findSession(dat);
+	if(item != m_buttonlist.end()) {
+		if(m_dwFlags & SIDEBARLAYOUT_DYNHEIGHT) {
+			LONG oldHeight = (*item)->getHeight();
+			m_topHeight -= (oldHeight + 1);
+			SIZE sz = (*item)->measureItem();
+			m_topHeight += (sz.cy + 1);
+			if(sz.cy != oldHeight) {
+				Invalidate();
+				::InvalidateRect((*item)->getHwnd(), NULL, TRUE);
+			}
+			else
+				::InvalidateRect((*item)->getHwnd(), NULL, FALSE);
+		}
+		else
+			::InvalidateRect((*item)->getHwnd(), NULL, FALSE);
+	}
+}
+
+/**
+ * Sets the active session item
+ * called from the global update handler in msgdialog/group room window
+ * on every tab activation to ensure consistency
+ *
+ * @param dat    _MessageWindowData*: session data
+ *
+ * @return The previously active item (that can be zero)
+ */
+const CSideBarButton* CSideBar::setActiveItem(const TWindowData *dat)
+{
+	ButtonIterator item = findSession(dat);
+	if(item != m_buttonlist.end()) {
+		return(setActiveItem(*item));
+	}
+	return(0);
+}
+
+/**
+ * Layout the buttons within the available space... ensure that buttons are
+ * set to invisible if there is not enough space. Also, update the state of
+ * the scroller buttons
+ *
+ * @param rc        RECT*:the window rectangle
+ *
+ * @param fOnlyCalc bool: if false (default), window positions will be updated, otherwise,
+ *                  the method will only calculate the layout parameters. A final call to
+ *                  Layout() with the parameter set to false is required to perform the
+ *                  position update.
+ */
+void CSideBar::Layout(const RECT *rc, bool fOnlyCalc)
+{
+	if(!m_isVisible)
+		return;
+
+	RECT	rcWnd;
+
+	rc = &rcWnd;
+	::GetClientRect(m_hwndScrollWnd, &rcWnd);
+
+	if(m_currentLayout->pfnLayout) {
+		m_currentLayout->pfnLayout(this, const_cast<RECT *>(rc));
+		return;
+	}
+
+	HDWP hdwp = ::BeginDeferWindowPos(1);
+
+	int 	topCount = 0, bottomCount = 0;
+	size_t  i = 0, j = 0;
+	BOOL 	topEnabled = FALSE, bottomEnabled = FALSE;
+	HWND 	hwnd;
+	LONG 	spaceUsed = 0;
+	DWORD 	dwFlags = SWP_NOZORDER|SWP_NOACTIVATE;
+	LONG	iSpaceAvail = rc->bottom;
+
+	m_firstVisibleOffset = max(0, m_firstVisibleOffset);
+
+	ButtonIterator item = m_buttonlist.begin();
+
+	m_totalItemHeight = 0;
+
+	LONG height = m_elementHeight;
+
+	while (item != m_buttonlist.end()) {
+		hwnd = (*item)->getHwnd();
+
+		if(m_dwFlags & SIDEBARLAYOUT_DYNHEIGHT)
+			height = (*item)->getHeight();
+
+		if(spaceUsed > iSpaceAvail || m_totalItemHeight + height < m_firstVisibleOffset) {
+			::ShowWindow(hwnd, SW_HIDE);
+			item++;
+			m_totalItemHeight += (height + 1);
+			continue;
+		}
+
+		if ((*item)->isTopAligned()) {
+			if(m_totalItemHeight <= m_firstVisibleOffset) {				// partially visible
+				if(!fOnlyCalc)
+					hdwp = ::DeferWindowPos(hdwp, hwnd, 0, 2, -(m_firstVisibleOffset - m_totalItemHeight),
+								   m_elementWidth, height, SWP_SHOWWINDOW | dwFlags);
+				spaceUsed += ((height + 1) - (m_firstVisibleOffset - m_totalItemHeight));
+				m_totalItemHeight += (height + 1);
+			}
+			else {
+				if(!fOnlyCalc)
+					hdwp = ::DeferWindowPos(hdwp, hwnd, 0, 2, spaceUsed,
+								   m_elementWidth, height, SWP_SHOWWINDOW | dwFlags);
+				spaceUsed += (height + 1);
+				m_totalItemHeight += (height + 1);
+			}
+		}/*
+		else {
+		}*/
+		item++;
+	}
+	topEnabled = m_firstVisibleOffset > 0;
+	bottomEnabled = (m_totalItemHeight - m_firstVisibleOffset > rc->bottom);
+	::EndDeferWindowPos(hdwp);
+
+	//_DebugTraceA("layout: total %d, used: %d, first visible: %d", m_totalItemHeight, spaceUsed, m_firstVisibleOffset);
+	if(!fOnlyCalc) {
+		RECT	rcContainer;
+		::GetClientRect(m_pContainer->hwnd, &rcContainer);
+
+		LONG dx = m_dwFlags & SIDEBARORIENTATION_LEFT ? m_pContainer->tBorder_outer_left :
+														rcContainer.right - m_pContainer->tBorder_outer_right - (m_elementWidth + 4);
+
+		::SetWindowPos(m_up->getHwnd(), 0, dx, m_pContainer->tBorder_outer_top + m_pContainer->MenuBar->getHeight(),
+					   m_elementWidth + 4, 14, dwFlags | SWP_SHOWWINDOW);
+		::SetWindowPos(m_down->getHwnd(), 0, dx, (rcContainer.bottom - 14 - m_pContainer->statusBarHeight - 1),
+					   m_elementWidth + 4, 14, dwFlags | SWP_SHOWWINDOW);
+		::EnableWindow(m_up->getHwnd(), topEnabled);
+		::EnableWindow(m_down->getHwnd(), bottomEnabled);
+		::InvalidateRect(m_up->getHwnd(), NULL, FALSE);
+		::InvalidateRect(m_down->getHwnd(), NULL, FALSE);
+	}
+}
+
+inline void CSideBar::Invalidate()
+{
+	Layout(0);
+}
+
+void CSideBar::showAll(int showCmd)
+{
+	::ShowWindow(m_up->getHwnd(), showCmd);
+	::ShowWindow(m_down->getHwnd(), showCmd);
+
+	std::vector<CSideBarButton *>::iterator item = m_buttonlist.begin();
+
+	while(item != m_buttonlist.end())
+		::ShowWindow((*item++)->getHwnd(), showCmd);
+}
+
+/**
+ * Helper function: find a button item associated to the given
+ * session data
+ *
+ * @param dat    _MessageWindowData*: session information
+ *
+ * @return CSideBarButtonItem*: pointer to the found item. Zero, if none was found
+ */
+ButtonIterator CSideBar::findSession(const TWindowData *dat)
+{
+	if(dat) {
+		std::vector<CSideBarButton *>::iterator item = m_buttonlist.begin();
+
+		if(m_buttonlist.size() > 0) {
+			while(item != m_buttonlist.end()) {
+				if((*item)->getDat() == dat)
+					return(item);
+				item++;
+			}
+		}
+	}
+	return(m_buttonlist.end());
+}
+
+/**
+ * Helper function: find a button item associated to the given
+ * contact handle
+ *
+ * @param hContact  HANDLE: contact's handle to look for
+ *
+ * @return CSideBarButtonItem*: pointer to the found item. Zero, if none was found
+ */
+ButtonIterator CSideBar::findSession(const HANDLE hContact)
+{
+	if(hContact) {
+		std::vector<CSideBarButton *>::iterator item = m_buttonlist.begin();
+
+		if(m_buttonlist.size() > 0) {
+			while(item != m_buttonlist.end()) {
+				if((*item)->getContactHandle() == hContact)
+					return(item);
+				item++;
+			}
+		}
+	}
+	return(m_buttonlist.end());
+}
+
+void CSideBar::processScrollerButtons(UINT commandID)
+{
+	if(!m_isActive || m_down == 0)
+		return;
+
+	if(commandID == IDC_SIDEBARDOWN && ::IsWindowEnabled(m_down->getHwnd()))
+		m_firstVisibleOffset += 10;
+	else if(commandID == IDC_SIDEBARUP && ::IsWindowEnabled(m_up->getHwnd()))
+		m_firstVisibleOffset = max(0, m_firstVisibleOffset - 10);
+
+	Layout(0);
+}
+
+void CSideBar::resizeScrollWnd(LONG x, LONG y, LONG width, LONG height) const
+{
+	if(!m_isVisible || !m_isActive) {
+		::ShowWindow(m_hwndScrollWnd, SW_HIDE);
+		return;
+	}
+	::SetWindowPos(m_hwndScrollWnd, 0, x, y + 15, m_width, height - 30,
+				   SWP_NOCOPYBITS | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_NOSENDCHANGING | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS);
+}
+
+void CSideBar::invalidateButton(const TWindowData* dat)
+{
+	if(m_isActive && m_isVisible) {
+		ButtonIterator it = findSession(dat);
+
+		if(it != this->m_buttonlist.end())
+			RedrawWindow((*it)->m_buttonControl->hwnd, 0, 0, RDW_INVALIDATE | RDW_UPDATENOW);
+	}
+}
+
+/**
+ * the window procedure for the sidebar container window (the window which
+ * acts as a parent for the actual buttons). itself, this window is a child
+ * of the container window.
+ */
+LRESULT CALLBACK CSideBar::wndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
+{
+	switch(msg) {
+		case WM_SIZE:
+			return(TRUE);
+		case WM_ERASEBKGND: {
+			HDC hdc = (HDC)wParam;
+			RECT rc;
+			::GetClientRect(hwnd, &rc);
+			if (CSkin::m_skinEnabled) {
+				CSkinItem *item = &SkinItems[ID_EXTBKSIDEBARBG];
+
+				if(item->IGNORED)
+					CSkin::SkinDrawBG(hwnd, m_pContainer->hwnd, m_pContainer, &rc, hdc);
+				else
+					CSkin::DrawItem(hdc, &rc, item);
+			}
+			else if (M->isAero() || M->isVSThemed()) {
+				HDC		hdcMem;
+				HANDLE  hbp = 0;
+				HBITMAP hbm, hbmOld;
+
+				if(CMimAPI::m_haveBufferedPaint)
+					hbp = CSkin::InitiateBufferedPaint(hdc, rc, hdcMem);
+				else {
+					hdcMem = ::CreateCompatibleDC(hdc);
+					hbm =  CSkin::CreateAeroCompatibleBitmap(rc, hdcMem);
+					hbmOld = reinterpret_cast<HBITMAP>(::SelectObject(hdcMem, hbm));
+				}
+
+				if(M->isAero())
+					::FillRect(hdcMem, &rc, CSkin::m_BrushBack);
+				else
+					CSkin::FillBack(hdcMem, &rc);
+
+				if(hbp)
+					CSkin::FinalizeBufferedPaint(hbp, &rc);
+				else {
+					::BitBlt(hdc, 0, 0, rc.right, rc.bottom, hdcMem, 0, 0, SRCCOPY);
+					::SelectObject(hdcMem, hbmOld);
+					::DeleteObject(hbm);
+					::DeleteDC(hdcMem);
+				}
+			}
+			else
+				::FillRect(hdc, &rc, ::GetSysColorBrush(COLOR_3DFACE));
+			return(1);
+		}
+		default:
+			break;
+	}
+	return(DefWindowProc(hwnd, msg, wParam, lParam));
+}
+
+LRESULT CALLBACK CSideBar::wndProcStub(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
+{
+	CSideBar *sideBar = (CSideBar *)::GetWindowLongPtr(hwnd, GWLP_USERDATA);
+
+	if(sideBar)
+		return(sideBar->wndProc(hwnd, msg, wParam, lParam));
+
+	switch(msg) {
+		case WM_NCCREATE: {
+			CREATESTRUCT *cs = (CREATESTRUCT *)lParam;
+			::SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)cs->lpCreateParams);
+			return(TRUE);
+		}
+		default:
+			break;
+	}
+	return(::DefWindowProc(hwnd, msg, wParam, lParam));
+}
+/**
+ * paints the background for a switchbar item. It can paint aero, visual styles, skins or
+ * classic buttons (depending on os and current plugin settings).
+ *
+ * @param hdc     HDC: target device context
+ * @param rc      RECT*: target rectangle
+ * @param stateId the state identifier (normal, pressed, hot, disabled etc.)
+ */
+void __fastcall CSideBar::m_DefaultBackgroundRenderer(const HDC hdc, const RECT *rc,
+													  const CSideBarButton *item)
+{
+	UINT	id = item->getID();
+	int		stateId = item->m_buttonControl->stateId;
+	bool	fIsActiveItem = (item->m_sideBar->getActiveItem() == item);
+
+	if(CSkin::m_skinEnabled) {
+		TContainerData*	pContainer = const_cast<TContainerData *>(item->m_sideBar->getContainer());
+		int 		id = stateId == PBS_PRESSED || fIsActiveItem ? ID_EXTBKBUTTONSPRESSED : (stateId == PBS_HOT ? ID_EXTBKBUTTONSMOUSEOVER : ID_EXTBKBUTTONSNPRESSED);
+		CSkinItem*	skinItem = &SkinItems[id];
+		HWND		hwnd;
+
+		if(id == IDC_SIDEBARUP)
+			hwnd = item->m_sideBar->getScrollUp()->m_buttonControl->hwnd;
+		else if(id == IDC_SIDEBARDOWN)
+			hwnd = item->m_sideBar->getScrollDown()->m_buttonControl->hwnd;
+		else
+			hwnd = item->m_buttonControl->hwnd;
+
+		CSkin::SkinDrawBG(hwnd, pContainer->hwnd, pContainer, const_cast<RECT *>(rc), hdc);
+		CSkin::DrawItem(hdc, rc, skinItem);
+	}
+	else if(M->isAero() || PluginConfig.m_fillColor) {
+		if(id == IDC_SIDEBARUP || id == IDC_SIDEBARDOWN) {
+			if(M->isAero())
+				::FillRect(hdc, const_cast<RECT *>(rc), CSkin::m_BrushBack);
+			else
+				CSkin::FillBack(hdc, const_cast<RECT *>(rc));
+
+			if(stateId == PBS_HOT || stateId == PBS_PRESSED)
+				DrawAlpha(hdc, const_cast<RECT *>(rc), 0xf0f0f0, 70, 0x000000, 0, 9,
+						  31, 4, 0);
+			else
+				DrawAlpha(hdc, const_cast<RECT *>(rc), 0xf0f0f0, 30, 0x707070, 0, 9,
+						  31, 4, 0);
+		}
+		else {
+			if(PluginConfig.m_fillColor)
+				FillTabBackground(hdc, stateId, item->getDat(), const_cast<RECT *>(rc));
+
+			CSkin::m_switchBarItem->setAlphaFormat(AC_SRC_ALPHA,
+												   (stateId == PBS_HOT && !fIsActiveItem) ? 250 : (fIsActiveItem || stateId == PBS_PRESSED ? 250 : 230));
+			CSkin::m_switchBarItem->Render(hdc, rc, true);
+			if(stateId == PBS_HOT || stateId == PBS_PRESSED || fIsActiveItem) {
+ 				RECT rcGlow = *rc;
+ 				rcGlow.top += 1;
+				rcGlow.bottom -= 2;
+
+				CSkin::m_tabGlowTop->setAlphaFormat(AC_SRC_ALPHA, (stateId == PBS_PRESSED || fIsActiveItem) ? 180 : 100);
+ 				CSkin::m_tabGlowTop->Render(hdc, &rcGlow, true);
+ 			}
+		}
+	}
+	else if(M->isVSThemed()) {
+		RECT *rcDraw = const_cast<RECT *>(rc);
+		if(id == IDC_SIDEBARUP || id == IDC_SIDEBARDOWN) {
+			::FillRect(hdc, rc, stateId == PBS_HOT ? ::GetSysColorBrush(COLOR_HOTLIGHT) : ::GetSysColorBrush(COLOR_3DFACE));
+			::InflateRect(rcDraw, -2, 0);
+			::DrawEdge(hdc, rcDraw, EDGE_ETCHED, BF_SOFT|BF_RECT|BF_FLAT);
+		}
+		else {
+			CSkin::FillBack(hdc, rcDraw);
+
+			if(CMimAPI::m_pfnIsThemeBackgroundPartiallyTransparent(item->m_buttonControl->hThemeToolbar, TP_BUTTON, stateId))
+				CMimAPI::m_pfnDrawThemeParentBackground(item->getHwnd(), hdc, rcDraw);
+
+			if(M->isAero() || PluginConfig.m_WinVerMajor >= 6) {
+				stateId = (fIsActiveItem ? PBS_PRESSED : PBS_HOT);
+				CMimAPI::m_pfnDrawThemeBackground(item->m_buttonControl->hThemeToolbar, hdc, 8, RBStateConvert2Flat(stateId), rcDraw, rcDraw);
+			}
+			else {
+				stateId = (fIsActiveItem ? PBS_PRESSED : PBS_HOT);
+				CMimAPI::m_pfnDrawThemeBackground(item->m_buttonControl->hThemeToolbar, hdc, TP_BUTTON, TBStateConvert2Flat(stateId), rcDraw, rcDraw);
+			}
+		}
+	}
+	else {
+		RECT *rcDraw = const_cast<RECT *>(rc);
+		if(!(id == IDC_SIDEBARUP || id == IDC_SIDEBARDOWN)) {
+			HBRUSH br = (stateId == PBS_HOT && !fIsActiveItem) ? ::GetSysColorBrush(COLOR_BTNSHADOW) : (fIsActiveItem || stateId == PBS_PRESSED ? ::GetSysColorBrush(COLOR_HOTLIGHT) : ::GetSysColorBrush(COLOR_3DFACE));
+			::FillRect(hdc, rc, br);
+			::DrawEdge(hdc, rcDraw, (stateId == PBS_HOT && !fIsActiveItem) ? EDGE_ETCHED : (fIsActiveItem || stateId == PBS_PRESSED) ? EDGE_BUMP : EDGE_ETCHED, BF_RECT | BF_SOFT | BF_FLAT);
+		}
+		else {
+			::FillRect(hdc, rc, stateId == PBS_HOT ? ::GetSysColorBrush(COLOR_HOTLIGHT) : ::GetSysColorBrush(COLOR_3DFACE));
+			::InflateRect(rcDraw, -2, 0);
+			::DrawEdge(hdc, rcDraw, EDGE_ETCHED, BF_SOFT|BF_RECT|BF_FLAT);
+		}
+	}
+}
+
+void __fastcall CSideBar::m_DefaultContentRenderer(const HDC hdc, const RECT *rcBox,
+												   const CSideBarButton *item)
+{
+	UINT 				id = item->getID();
+	const TWindowData* 	dat = item->getDat();
+	int	  				stateID = item->m_buttonControl->stateId;
+
+	LONG	cx = rcBox->right - rcBox->left;
+	LONG	cy = rcBox->bottom - rcBox->top;
+
+	if(id == IDC_SIDEBARUP || id == IDC_SIDEBARDOWN) {
+		::DrawIconEx(hdc, (rcBox->left + rcBox->right) / 2 - 8, (rcBox->top + rcBox->bottom) / 2 - 8, id == IDC_SIDEBARUP ? PluginConfig.g_buttonBarIcons[26] : PluginConfig.g_buttonBarIcons[16],
+					 16, 16, 0, 0, DI_NORMAL);
+		if(!M->isAero() && stateID == PBS_HOT)
+			::DrawEdge(hdc, const_cast<RECT *>(rcBox), BDR_INNER, BF_RECT | BF_SOFT | BF_FLAT);
+	}
+	else if(dat)
+		item->renderIconAndNick(hdc, rcBox);
+}
+
+/**
+ * content renderer for the advanced side bar button layout. includes
+ * avatars
+ */
+void __fastcall CSideBar::m_AdvancedContentRenderer(const HDC hdc, const RECT *rcBox,
+	const CSideBarButton *item)
+{
+	UINT				id = item->getID();
+	const TWindowData*	dat = item->getDat();
+	int					stateID = item->m_buttonControl->stateId;
+
+	LONG	cx = rcBox->right - rcBox->left;
+	LONG	cy = rcBox->bottom - rcBox->top;
+	SIZE	szFirstLine, szSecondLine;
+
+	if(id == IDC_SIDEBARUP || id == IDC_SIDEBARDOWN)
+		m_DefaultContentRenderer(hdc, rcBox, item);
+	else if(dat) {
+		RECT rc = *rcBox;
+
+		if(dat->ace && dat->ace->hbmPic) {		// we have an avatar
+			double	dNewHeight, dNewWidth;
+			LONG	maxHeight = cy - 8;
+			bool	fFree = false;
+
+			Utils::scaleAvatarHeightLimited(dat->ace->hbmPic, dNewWidth, dNewHeight, maxHeight);
+
+			HBITMAP hbmResized = CSkin::ResizeBitmap(dat->ace->hbmPic, dNewWidth, dNewHeight, fFree);
+			HDC		dc = CreateCompatibleDC(hdc);
+			HBITMAP hbmOld = reinterpret_cast<HBITMAP>(::SelectObject(dc, hbmResized));
+
+			LONG	xOff = (cx - maxHeight) + (maxHeight - (LONG)dNewWidth) / 2 - 4;
+			LONG	yOff = (cy - (LONG)dNewHeight) / 2;
+
+			CMimAPI::m_MyAlphaBlend(hdc, xOff, yOff, (LONG)dNewWidth, (LONG)dNewHeight, dc, 0, 0, (LONG)dNewWidth, (LONG)dNewHeight, CSkin::m_default_bf);
+			::SelectObject(dc, hbmOld);
+			if(hbmResized != dat->ace->hbmPic)
+				::DeleteObject(hbmResized);
+			::DeleteDC(dc);
+			rc.right -= (maxHeight + 6);
+		}
+
+		/*
+		 * calculate metrics based on font configuration. Determine if we have enough
+		 * space for both lines
+		 */
+
+		rc.left += 3;
+		HFONT	hOldFont = reinterpret_cast<HFONT>(::SelectObject(hdc, CInfoPanel::m_ipConfig.hFonts[IPFONTID_NICK]));
+		::GetTextExtentPoint32A(hdc, "A", 1, &szFirstLine);
+		::SelectObject(hdc, CInfoPanel::m_ipConfig.hFonts[IPFONTID_STATUS]);
+		::GetTextExtentPoint32A(hdc, "A", 1, &szSecondLine);
+		szSecondLine.cy = max(szSecondLine.cy, 18);
+
+		LONG	required = szFirstLine.cy + szSecondLine.cy;
+		bool	fSecondLine = (required < cy ? true : false);
+
+		DWORD	dtFlags = DT_SINGLELINE | DT_WORD_ELLIPSIS | DT_END_ELLIPSIS | (!fSecondLine ? DT_VCENTER : 0);
+
+		::SelectObject(hdc, CInfoPanel::m_ipConfig.hFonts[IPFONTID_NICK]);
+		rc.top++;
+		::SetBkMode(hdc, TRANSPARENT);
+		CSkin::RenderText(hdc, dat->hThemeIP, dat->cache->getNick(), &rc, 
+						  dtFlags, CSkin::m_glowSize, CInfoPanel::m_ipConfig.clrs[IPFONTID_NICK]);
+
+		if(fSecondLine) {
+			int		iSize;
+			HICON	hIcon = dat->cache->getIcon(iSize);
+
+			/*
+			 * TODO support larger icons at a later time. This side bar button
+			 * could use 32x32 icons as well.
+			 */
+
+			rc.top = rc.bottom - szSecondLine.cy - 2;
+			::DrawIconEx(hdc, rc.left, rc.top + (rc.bottom - rc.top) / 2 - 8, hIcon, 16, 16, 0, 0, DI_NORMAL);
+			rc.left += 18;
+			::SelectObject(hdc, CInfoPanel::m_ipConfig.hFonts[IPFONTID_STATUS]);
+			CSkin::RenderText(hdc, dat->hThemeIP, dat->szStatus, &rc, 
+							  dtFlags | DT_VCENTER, CSkin::m_glowSize, CInfoPanel::m_ipConfig.clrs[IPFONTID_STATUS]);
+		}
+		::SelectObject(hdc, hOldFont);
+	}
+}
+
+/**
+ * measure callback for the advanced sidebar button layout (vertical mode
+ * with variable height buttons)
+ */
+const SIZE& __fastcall CSideBar::m_measureAdvancedVertical(CSideBarButton* item)
+{
+	const TWindowData*	dat = item->getDat();
+
+	SIZE sz = {0};
+
+	if(dat) {
+		SIZE szFirstLine, szSecondLine;
+
+		if(dat->ace && dat->ace->hbmPic)
+			sz.cy = item->getLayout()->width;
+
+		HDC	dc = ::GetDC(dat->hwnd);
+
+		HFONT	hOldFont = reinterpret_cast<HFONT>(::SelectObject(dc, CInfoPanel::m_ipConfig.hFonts[IPFONTID_NICK]));
+		::GetTextExtentPoint32(dc, dat->cache->getNick(), lstrlen(dat->cache->getNick()), &szFirstLine);
+		::SelectObject(dc, CInfoPanel::m_ipConfig.hFonts[IPFONTID_STATUS]);
+		::GetTextExtentPoint32(dc, dat->szStatus, lstrlen(dat->szStatus), &szSecondLine);
+		::SelectObject(dc, hOldFont);
+		ReleaseDC(dat->hwnd, dc);
+
+		szSecondLine.cx += 18;				// icon space
+
+		sz.cy += max(szFirstLine.cx + 4, szSecondLine.cx + 4);
+		sz.cy += 2;
+	}
+	item->setSize(sz);
+	return(item->getSize());
+}
-- 
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