/////////////////////////////////////////////////////////////////////////////////////////
// Miranda NG: the free IM client for Microsoft* Windows*
//
// Copyright (C) 2012-24 Miranda NG team,
// Copyright (c) 2000-09 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
//
// Menu and status bar control(s) for the container window.

#include "stdafx.h"

static    WNDPROC OldStatusBarproc = nullptr;

bool      CMenuBar::m_buttonsInit = false;
HHOOK     CMenuBar::m_hHook = nullptr;
TBBUTTON  CMenuBar::m_TbButtons[8] = { 0 };
CMenuBar *CMenuBar::m_Owner = nullptr;
HBITMAP   CMenuBar::m_MimIcon = nullptr;
int       CMenuBar::m_MimIconRefCount = 0;

static int resetLP(WPARAM, LPARAM, LPARAM obj)
{
	if (PluginConfig.g_hMenuContext)
		DestroyMenu(PluginConfig.g_hMenuContext);
	PluginConfig.g_hMenuContext = LoadMenu(g_plugin.getInst(), MAKEINTRESOURCE(IDR_TABCONTEXT));
	TranslateMenu(PluginConfig.g_hMenuContext);

	((CMenuBar*)obj)->resetLP();
	return 0;
}

CMenuBar::CMenuBar(const TContainerData *pContainer)
{
	m_pContainer = const_cast<TContainerData *>(pContainer);

	if (m_MimIcon == nullptr) {
		HDC hdc = ::GetDC(m_pContainer->m_hwnd);
		HANDLE hIcon = Skin_GetIconHandle(SKINICON_OTHER_MIRANDA);

		HDC hdcTemp = ::CreateCompatibleDC(hdc);

		RECT rc = { 0, 0, 16, 16 };
		m_MimIcon = CSkin::CreateAeroCompatibleBitmap(rc, hdcTemp);
		HBITMAP hbmOld = reinterpret_cast<HBITMAP>(::SelectObject(hdcTemp, m_MimIcon));
		::DrawIconEx(hdcTemp, 0, 0, (HICON)hIcon, 16, 16, 0, nullptr, DI_NORMAL);
		::SelectObject(hdcTemp, hbmOld);

		::DeleteDC(hdcTemp);
		::ReleaseDC(m_pContainer->m_hwnd, hdc);
	}

	m_MimIconRefCount++;

	m_hwndToolbar = ::CreateWindowEx(WS_EX_TOOLWINDOW, TOOLBARCLASSNAME, nullptr, WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_VISIBLE | TBSTYLE_FLAT | TBSTYLE_TRANSPARENT | TBSTYLE_LIST |/*CCS_NOPARENTALIGN|*/CCS_NODIVIDER | CCS_TOP,
		0, 0, 0, 0, m_pContainer->m_hwnd, nullptr, g_plugin.getInst(), nullptr);

	::SendMessage(m_hwndToolbar, TB_BUTTONSTRUCTSIZE, (WPARAM)sizeof(TBBUTTON), 0);

	checkButtons();

	m_activeMenu = nullptr;
	m_activeID = 0;
	m_isAero = M.isAero();
	m_mustAutoHide = false;
	m_activeSubMenu = nullptr;
	m_fTracking = false;
	m_isContactMenu = m_isMainMenu = false;
	HookEventParam(ME_LANGPACK_CHANGED, &::resetLP, (LPARAM)this);

	::SetWindowLongPtr(m_hwndToolbar, GWLP_USERDATA, (LONG_PTR)this);
	mir_subclassWindow(m_hwndToolbar, wndProc);
}

CMenuBar::~CMenuBar()
{
	::SetWindowLongPtr(m_hwndToolbar, GWLP_USERDATA, 0);
	::DestroyWindow(m_hwndToolbar);
	releaseHook();
	m_MimIconRefCount--;
	if (m_MimIconRefCount == 0) {
		::DeleteObject(m_MimIcon);
		m_MimIcon = nullptr;
	}
}

/**
 * retrieves the client rectangle for the rebar control. This must be
 * called once per WM_SIZE event by the parent window. getHeight() depends on it.
 *
 * @return RECT&: client rectangle of the rebar control
 */
const RECT& CMenuBar::getClientRect()
{
	::GetClientRect(m_hwndToolbar, &m_rcClient);
	return(m_rcClient);
}

void CMenuBar::obtainHook()
{
	releaseHook();
	if (m_hHook == nullptr)
		m_hHook = ::SetWindowsHookEx(WH_MSGFILTER, CMenuBar::MessageHook, nullptr, GetCurrentThreadId());
	m_Owner = this;
}

void CMenuBar::releaseHook()
{
	if (m_hHook) {
		::UnhookWindowsHookEx(m_hHook);
		m_hHook = nullptr;
	}
}

/////////////////////////////////////////////////////////////////////////////////////////
// Retrieve the height of the rebar control
//
// @return LONG: height of the rebar, in pixels

LONG CMenuBar::getHeight() const
{
	return (m_pContainer->cfg.flags.m_bNoMenuBar) ? 0 : m_size_y;
}

/////////////////////////////////////////////////////////////////////////////////////////
// process all relevant messages. Must be called by the parent window's
// window procedure.
//
// @param msg
// @param wParam
// @param lParam
//
// @return LRESULT: message processing result. Win32 conform.
//  -1 means: nothing processed, caller should continue as usual.

LONG_PTR CMenuBar::processMsg(const UINT msg, const WPARAM, const LPARAM lParam)
{
	if (msg == WM_NOTIFY) {
		NMHDR *pNMHDR = (NMHDR*)lParam;
		switch (pNMHDR->code) {
		case NM_CUSTOMDRAW:
		{
			NMCUSTOMDRAW *nm = (NMCUSTOMDRAW*)lParam;
			return customDrawWorker(nm);
		}

		case TBN_DROPDOWN:
		{
			NMTOOLBAR *mtb = (NMTOOLBAR *)lParam;
			return Handle(mtb);
		}
		case TBN_HOTITEMCHANGE:
		{
			NMTBHOTITEM *nmtb = (NMTBHOTITEM *)lParam;
			if (nmtb->idNew != 0 && m_fTracking && nmtb->idNew != m_activeID && m_activeID != 0) {
				cancel();
				return 0;
			}
			else if (m_fTracking == true && m_activeID == 0 && nmtb->idNew != 0) {
				invoke(nmtb->idNew);
				return 0;
			}
			break;
		}

		default:
			return -1;
		}
	}
	else if (msg == WM_LBUTTONDOWN) {
		if (m_pContainer->cfg.flags.m_bNoTitle) {
			POINT	pt;
			::GetCursorPos(&pt);
			return ::SendMessage(m_pContainer->m_hwnd, WM_SYSCOMMAND, SC_MOVE | HTCAPTION, MAKELPARAM(pt.x, pt.y));
		}
	}
	return -1;
}

/////////////////////////////////////////////////////////////////////////////////////////
// subclass the toolbar control to handle some keyboard events and improve
// keyboard navigation

LRESULT CALLBACK CMenuBar::wndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	CMenuBar *menuBar = reinterpret_cast<CMenuBar *>(::GetWindowLongPtr(hWnd, GWLP_USERDATA));

	switch (msg) {
	case WM_SYSKEYUP:
		if (wParam == VK_MENU) {
			menuBar->Cancel();
			return 0;
		}
		break;
	}
	return ::mir_callNextSubclass(hWnd, CMenuBar::wndProc, msg, wParam, lParam);
}

/////////////////////////////////////////////////////////////////////////////////////////
// Implements NM_CUSTOMDRAW for the toolbar
//
// @param nm     NMCUSTOMDRAW *: sent via NM_CUSTOMDRAW message
//
// @return LONG_PTR: see Win32 NM_CUSTOMDRAW message. The function must return a valid
// message return value to indicate how Windows should continue with the drawing process.
//
// It may return zero in which case, the caller should allow default processing for
// the NM_CUSTOMDRAW message.

LONG_PTR CMenuBar::customDrawWorker(NMCUSTOMDRAW *nm)
{
	if (nm->hdr.hwndFrom != m_hwndToolbar)
		return 0;
		
	NMTBCUSTOMDRAW *nmtb = (NMTBCUSTOMDRAW *)(nm);
	switch (nmtb->nmcd.dwDrawStage) {
	case CDDS_PREPAINT:
		if (nmtb->nmcd.dwItemSpec == 0) {
			m_hdcDraw = ::CreateCompatibleDC(nmtb->nmcd.hdc);
			//m_rcItem = nmtb->nmcd.rc;
			::GetClientRect(m_hwndToolbar, &m_rcItem);
			m_rcItem.bottom -= 4;
			m_hbmDraw = CSkin::CreateAeroCompatibleBitmap(m_rcItem, nmtb->nmcd.hdc);
			m_hbmOld = reinterpret_cast<HBITMAP>(::SelectObject(m_hdcDraw, m_hbmDraw));
			m_hTheme = M.isAero() || M.isVSThemed() ? OpenThemeData(m_hwndToolbar, L"REBAR") : nullptr;
			m_hOldFont = reinterpret_cast<HFONT>(::SelectObject(m_hdcDraw, reinterpret_cast<HFONT>(::GetStockObject(DEFAULT_GUI_FONT))));
			if (m_isAero) {
				nm->rc.bottom--;
				CSkin::ApplyAeroEffect(m_hdcDraw, &m_rcItem, CSkin::AERO_EFFECT_AREA_MENUBAR);
				nm->rc.bottom++;
			}
			else if ((PluginConfig.m_fillColor || M.isVSThemed()) && !CSkin::m_skinEnabled) {
				if (PluginConfig.m_fillColor && PluginConfig.m_tbBackgroundHigh && PluginConfig.m_tbBackgroundLow) {
					::DrawAlpha(m_hdcDraw, &m_rcItem, PluginConfig.m_tbBackgroundHigh, 100, PluginConfig.m_tbBackgroundLow, 0,
						GRADIENT_TB, 0, 0, nullptr);
				}
				else {
					m_rcItem.bottom--;
					if (PluginConfig.m_fillColor)
						CSkin::FillBack(m_hdcDraw, &m_rcItem);
					else if (M.isVSThemed())
						DrawThemeBackground(m_hTheme, m_hdcDraw, 6, 1, &m_rcItem, &m_rcItem);
					else
						FillRect(m_hdcDraw, &m_rcItem, GetSysColorBrush(COLOR_3DFACE));
				}
			}
			else if (CSkin::m_MenuBGBrush)
				::FillRect(m_hdcDraw, &nm->rc, CSkin::m_MenuBGBrush);
			else
				::FillRect(m_hdcDraw, &nm->rc, GetSysColorBrush(COLOR_3DFACE));
		}
		return CDRF_NOTIFYITEMDRAW | CDRF_NOTIFYPOSTPAINT | CDRF_NOTIFYPOSTERASE;

	case CDDS_ITEMPREPAINT:
		wchar_t	*szText;
		bool fDraw;
		{
			int iIndex = idToIndex(nmtb->nmcd.dwItemSpec);
			if (iIndex >= 0 && iIndex < NR_BUTTONS)
				szText = (wchar_t*)m_TbButtons[iIndex].iString;
			else
				szText = nullptr;

			UINT uState = nmtb->nmcd.uItemState;

			nmtb->nmcd.rc.bottom--;
			if (CSkin::m_skinEnabled) {
				CSkinItem *item = nullptr;

				::FillRect(m_hdcDraw, &nmtb->nmcd.rc, CSkin::m_MenuBGBrush);

				if (uState & CDIS_MARKED || uState & CDIS_CHECKED || uState & CDIS_SELECTED)
					item = &SkinItems[ID_EXTBKBUTTONSPRESSED];
				else if (uState & CDIS_HOT)
					item = &SkinItems[ID_EXTBKBUTTONSMOUSEOVER];

				fDraw = (item) ? !CSkin::DrawItem(m_hdcDraw, &nmtb->nmcd.rc, item) : false;
			}
			else fDraw = true;

			if (fDraw) {
				COLORREF clr = ::GetSysColor(COLOR_HOTLIGHT);
				COLORREF clrRev = clr;
				if (uState & CDIS_MARKED || uState & CDIS_CHECKED)
					::DrawAlpha(m_hdcDraw, &nmtb->nmcd.rc, clrRev, 80, clrRev, 0, 9, 31, 4, nullptr);

				if (uState & CDIS_SELECTED)
					::DrawAlpha(m_hdcDraw, &nmtb->nmcd.rc, clrRev, 80, clrRev, 0, 9, 31, 4, nullptr);

				if (uState & CDIS_HOT)
					::DrawAlpha(m_hdcDraw, &nmtb->nmcd.rc, clrRev, 80, clrRev, 0, 9, 31, 4, nullptr);
			}

			if (szText) {
				COLORREF clr = CSkin::m_skinEnabled ? CSkin::m_DefaultFontColor :
					(PluginConfig.m_fillColor ? PluginConfig.m_genericTxtColor :
					(uState & (CDIS_SELECTED | CDIS_HOT | CDIS_MARKED)) ? ::GetSysColor(COLOR_HIGHLIGHTTEXT) : ::GetSysColor(COLOR_BTNTEXT));

				::SetBkMode(m_hdcDraw, TRANSPARENT);
				CSkin::RenderText(m_hdcDraw, m_hTheme, szText, &nmtb->nmcd.rc, DT_SINGLELINE | DT_VCENTER | DT_CENTER, CSkin::m_glowSize, clr);
			}
			if (iIndex == 0)
				::DrawIconEx(m_hdcDraw, (nmtb->nmcd.rc.left + nmtb->nmcd.rc.right) / 2 - 8,
				(nmtb->nmcd.rc.top + nmtb->nmcd.rc.bottom) / 2 - 8, Skin_LoadIcon(SKINICON_OTHER_MIRANDA),
				16, 16, 0, nullptr, DI_NORMAL);

			return CDRF_SKIPDEFAULT;
		}

	case CDDS_PREERASE:
	case CDDS_ITEMPOSTERASE:
	case CDDS_ITEMPOSTPAINT:
	case CDDS_ITEMPREERASE:
	case CDDS_POSTERASE:
		return CDRF_SKIPDEFAULT;

	case CDDS_POSTPAINT:
		if (nmtb->nmcd.dwItemSpec == 0 && m_hdcDraw) {
			::BitBlt(nmtb->nmcd.hdc, 0, 0, m_rcItem.right - m_rcItem.left, m_rcItem.bottom - m_rcItem.top,
				m_hdcDraw, 0, 0, SRCCOPY);
			::SelectObject(m_hdcDraw, m_hbmOld);
			::DeleteObject(m_hbmDraw);
			::SelectObject(m_hdcDraw, m_hOldFont);
			::DeleteDC(m_hdcDraw);
			m_hdcDraw = nullptr;
			if (m_hTheme)
				CloseThemeData(m_hTheme);
			return CDRF_SKIPDEFAULT;
		}
	}

	return CDRF_DODEFAULT;
}

/////////////////////////////////////////////////////////////////////////////////////////
// Handle the TBN_DROPDOWN notification message sent by the
// toolbar control.
//
// @param nmtb   NMTOOLBAR *: notification message structure
//
// @return LONG_PTR: must be a valid return value. See Win32 API, TBN_DROPDOWN

LONG_PTR CMenuBar::Handle(const NMTOOLBAR *nmtb)
{
	if (nmtb->hdr.hwndFrom != m_hwndToolbar)
		return TBDDRET_NODEFAULT;

	invoke(nmtb->iItem);
	return TBDDRET_DEFAULT;
}

/////////////////////////////////////////////////////////////////////////////////////////
// Invoke the dropdown menu for the button with the given control id.
//
// @param id     int: the control id of the toolbar button which has been activated

void CMenuBar::invoke(const int id)
{
	const int index = idToIndex(id);
	if (index == -1)
		return;

	HMENU	hMenu;

	m_isContactMenu = m_isMainMenu = false;

	CMsgDialog *dat = (CMsgDialog*)GetWindowLongPtr(m_pContainer->m_hwndActive, GWLP_USERDATA);

	MCONTACT hContact = dat ? dat->m_hContact : 0;

	if (index == 3 && hContact != 0) {
		hMenu = Menu_BuildContactMenu(hContact);
		m_isContactMenu = true;
	}
	else if (index == 0) {
		hMenu = Menu_GetMainMenu();
		m_isMainMenu = true;
	}
	else hMenu = reinterpret_cast<HMENU>(m_TbButtons[index].dwData);

	RECT  rcButton;
	POINT pt;
	::SendMessage(m_hwndToolbar, TB_GETITEMRECT, (WPARAM)index, (LPARAM)&rcButton);
	pt.x = rcButton.left;
	pt.y = rcButton.bottom;
	::ClientToScreen(m_hwndToolbar, &pt);

	if (m_activeID)
		cancel();

	m_activeMenu = hMenu;
	m_activeSubMenu = nullptr;
	m_activeID = id;
	updateState(hMenu);
	obtainHook();
	m_fTracking = true;
	::SendMessage(m_hwndToolbar, TB_SETSTATE, (WPARAM)id, TBSTATE_CHECKED | TBSTATE_ENABLED);
	::TrackPopupMenu(hMenu, 0, pt.x, pt.y, 0, m_pContainer->m_hwnd, nullptr);
}

void CMenuBar::cancel()
{
	releaseHook();
	if (m_activeID)
		::SendMessage(m_hwndToolbar, TB_SETSTATE, (WPARAM)m_activeID, TBSTATE_ENABLED);
	m_activeID = 0;
	m_activeMenu = nullptr;
	m_isContactMenu = m_isMainMenu = false;
	::EndMenu();
}

void CMenuBar::Cancel(void)
{
	cancel();
	m_fTracking = false;
	autoShow(0);
}

/////////////////////////////////////////////////////////////////////////////////////////

static void MY_CheckMenu(const HMENU hMenu, int id, uint32_t key)
{
	::CheckMenuItem(hMenu, id, key ? MF_CHECKED : MF_UNCHECKED);
}

void CMenuBar::updateState(const HMENU hMenu) const
{
	CMsgDialog *dat = (CMsgDialog*)GetWindowLongPtr(m_pContainer->m_hwndActive, GWLP_USERDATA);
	if (dat) {
		auto f = m_pContainer->cfg.flags;
		MY_CheckMenu(hMenu, ID_VIEW_SHOWMENUBAR, !f.m_bNoMenuBar && !m_mustAutoHide);
		MY_CheckMenu(hMenu, ID_VIEW_SHOWSTATUSBAR, !f.m_bNoStatusBar);
		
		MY_CheckMenu(hMenu, ID_VIEW_SHOWTITLEBAR, !f.m_bNoTitle);
		::EnableMenuItem(hMenu, ID_VIEW_SHOWTITLEBAR, CSkin::m_skinEnabled && CSkin::m_frameSkins ? MF_GRAYED : MF_ENABLED);

		MY_CheckMenu(hMenu, ID_VIEW_TABSATBOTTOM, f.m_bTabsBottom);
		MY_CheckMenu(hMenu, ID_VIEW_VERTICALMAXIMIZE, f.m_bVerticalMax);
		MY_CheckMenu(hMenu, ID_VIEW_SHOWTOOLBAR, !f.m_bHideToolbar);
		MY_CheckMenu(hMenu, ID_VIEW_BOTTOMTOOLBAR, f.m_bBottomToolbar);

		MY_CheckMenu(hMenu, ID_VIEW_SHOWMULTISENDCONTACTLIST, dat->m_sendMode & SMODE_MULTIPLE);
		MY_CheckMenu(hMenu, ID_VIEW_STAYONTOP, f.m_bSticky);

		::EnableMenuItem(hMenu, 2, MF_BYPOSITION | (NEN::bWindowCheck ? MF_GRAYED : MF_ENABLED));
		MY_CheckMenu(hMenu, ID_EVENTPOPUPS_DISABLEALLEVENTPOPUPS, !f.m_bDontReport && !f.m_bDontReportUnfocused && !f.m_bDontReportFocused && !f.m_bAlwaysReportInactive);
		MY_CheckMenu(hMenu, ID_EVENTPOPUPS_SHOWPOPUPSIFWINDOWISMINIMIZED, f.m_bDontReport);
		MY_CheckMenu(hMenu, ID_EVENTPOPUPS_SHOWPOPUPSFORALLINACTIVESESSIONS, f.m_bAlwaysReportInactive);
		MY_CheckMenu(hMenu, ID_EVENTPOPUPS_SHOWPOPUPSIFWINDOWISUNFOCUSED, f.m_bDontReportUnfocused);
		MY_CheckMenu(hMenu, ID_EVENTPOPUPS_SHOWPOPUPSIFWINDOWISFOCUSED, f.m_bDontReportFocused);

		MY_CheckMenu(hMenu, ID_WINDOWFLASHING_USEDEFAULTVALUES, !f.m_bNoFlash && !f.m_bFlashAlways);
		MY_CheckMenu(hMenu, ID_WINDOWFLASHING_DISABLEFLASHING, f.m_bNoFlash);
		MY_CheckMenu(hMenu, ID_WINDOWFLASHING_FLASHUNTILFOCUSED, f.m_bFlashAlways);
	}
}

/////////////////////////////////////////////////////////////////////////////////////////
// this updates the container menu bar and other window elements depending on the current
// child session (IM, chat etc.). It fully supports IEView and will disable/enable the
// message log menus depending on the configuration of IEView (e.g. when template mode
// is on, the message log settin menus have no functionality, thus can be disabled to
// improve ui feedback quality).

void CMenuBar::configureMenu() const
{
	CMsgDialog *dat = (CMsgDialog*)::GetWindowLongPtr(m_pContainer->m_hwndActive, GWLP_USERDATA);
	if (dat) {
		bool fChat = dat->isChat();

		::SendMessage(m_hwndToolbar, TB_SETSTATE, 103, fChat ? TBSTATE_HIDDEN : TBSTATE_ENABLED);
		::SendMessage(m_hwndToolbar, TB_SETSTATE, 105, fChat ? TBSTATE_HIDDEN : TBSTATE_ENABLED);

		if (!fChat)
			::EnableWindow(GetDlgItem(dat->GetHwnd(), IDC_TIME), TRUE);
	}
}

/////////////////////////////////////////////////////////////////////////////////////////
// Automatically shows or hides the menu bar. Depends on the current state,
// used when the ALT key is hit in the message window.

void CMenuBar::autoShow(const int showcmd)
{
	if (m_mustAutoHide && !m_pContainer->cfg.flags.m_bNoMenuBar) {
		m_pContainer->cfg.flags.m_bNoMenuBar = true;
		m_mustAutoHide = false;
		::SendMessage(m_pContainer->m_hwnd, WM_SIZE, 0, 1);
		releaseHook();
	}

	if (showcmd == 0) {
		::SetFocus(m_pContainer->m_hwndActive);
		return;
	}

	if (m_pContainer->cfg.flags.m_bNoMenuBar) {
		m_mustAutoHide = true;
		m_pContainer->cfg.flags.m_bNoMenuBar = false;
		::SendMessage(m_pContainer->m_hwnd, WM_SIZE, 0, 1);
	}
	else // do nothing, already visible
		m_mustAutoHide = false;

	::SetFocus(m_hwndToolbar);
}

void CMenuBar::checkButtons()
{
	if (!m_buttonsInit) {
		memset(m_TbButtons, 0, sizeof(m_TbButtons));

		m_TbButtons[0].iBitmap = 0;
		m_TbButtons[0].iString = 0;
		m_TbButtons[0].fsState = TBSTATE_ENABLED;
		m_TbButtons[0].fsStyle = BTNS_DROPDOWN | BTNS_AUTOSIZE;
		m_TbButtons[0].idCommand = 100;
		m_TbButtons[0].dwData = 0;

		m_TbButtons[1].iBitmap = I_IMAGENONE;
		m_TbButtons[1].iString = (INT_PTR)TranslateT("&File");
		m_TbButtons[1].fsState = TBSTATE_ENABLED;
		m_TbButtons[1].fsStyle = BTNS_DROPDOWN | BTNS_AUTOSIZE;
		m_TbButtons[1].idCommand = 101;
		m_TbButtons[1].dwData = reinterpret_cast<DWORD_PTR>(::GetSubMenu(PluginConfig.getMenuBar(), 0));

		m_TbButtons[2].iBitmap = I_IMAGENONE;
		m_TbButtons[2].iString = (INT_PTR)TranslateT("&View");
		m_TbButtons[2].fsState = TBSTATE_ENABLED;
		m_TbButtons[2].fsStyle = BTNS_DROPDOWN | BTNS_AUTOSIZE;
		m_TbButtons[2].idCommand = 102;
		m_TbButtons[2].dwData = reinterpret_cast<DWORD_PTR>(::GetSubMenu(PluginConfig.getMenuBar(), 1));

		m_TbButtons[3].iBitmap = I_IMAGENONE;
		m_TbButtons[3].iString = (INT_PTR)TranslateT("&User");
		m_TbButtons[3].fsState = TBSTATE_ENABLED;
		m_TbButtons[3].fsStyle = BTNS_DROPDOWN | BTNS_AUTOSIZE;
		m_TbButtons[3].idCommand = 103;
		m_TbButtons[3].dwData = 0;								// dynamically built by Clist service

		m_TbButtons[4].iBitmap = I_IMAGENONE;
		m_TbButtons[4].iString = (INT_PTR)TranslateT("Message &log");
		m_TbButtons[4].fsState = TBSTATE_ENABLED;
		m_TbButtons[4].fsStyle = BTNS_DROPDOWN | BTNS_AUTOSIZE;
		m_TbButtons[4].idCommand = 105;
		m_TbButtons[4].dwData = reinterpret_cast<DWORD_PTR>(::GetSubMenu(PluginConfig.getMenuBar(), 2));

		m_TbButtons[5].iBitmap = I_IMAGENONE;
		m_TbButtons[5].iString = (INT_PTR)TranslateT("&Container");
		m_TbButtons[5].fsState = TBSTATE_ENABLED;
		m_TbButtons[5].fsStyle = BTNS_DROPDOWN | BTNS_AUTOSIZE;
		m_TbButtons[5].idCommand = 106;
		m_TbButtons[5].dwData = reinterpret_cast<DWORD_PTR>(::GetSubMenu(PluginConfig.getMenuBar(), 3));

		m_buttonsInit = true;
	}

	::SendMessage(m_hwndToolbar, TB_ADDBUTTONS, _countof(m_TbButtons), (LPARAM)m_TbButtons);

	m_size_y = HIWORD(::SendMessage(m_hwndToolbar, TB_GETBUTTONSIZE, 0, 0));

	TBADDBITMAP tb;
	tb.nID = (UINT_PTR)m_MimIcon;
	tb.hInst = nullptr;

	::SendMessage(m_hwndToolbar, TB_ADDBITMAP, 1, (LPARAM)&tb);
}

void CMenuBar::resetLP()
{
	while (SendMessage(m_hwndToolbar, TB_DELETEBUTTON, 0, 0));

	m_buttonsInit = false;
	checkButtons();
}

/////////////////////////////////////////////////////////////////////////////////////////
// Message hook function, installed by the menu handler to support
// hot-tracking and keyboard navigation for the menu bar while a modal
// popup menu is active.
//
// Hook is only active while a (modal) popup menu is processed.
//
// @params See Win32, message hooks

LRESULT CALLBACK CMenuBar::MessageHook(int nCode, WPARAM wParam, LPARAM lParam)
{
	MSG *pMsg = reinterpret_cast<MSG *>(lParam);
	bool fCancel = false;
	POINT	pt;

	if (nCode == MSGF_MENU) {
		switch (pMsg->message) {
		case WM_KEYDOWN:
			if (pMsg->wParam == VK_ESCAPE)
				fCancel = true;
			break;

		case WM_SYSKEYUP:
			if (pMsg->wParam == VK_MENU)
				fCancel = true;
			break;

		case WM_LBUTTONDOWN:
			::GetCursorPos(&pt);
			if (::MenuItemFromPoint(nullptr, m_Owner->m_activeMenu, pt) >= 0) 			// inside menu
				break;
			if (m_Owner->m_activeSubMenu && ::MenuItemFromPoint(nullptr, m_Owner->m_activeSubMenu, pt) >= 0)
				break;
			
			// anywhere else, cancel the menu
			::CallNextHookEx(m_hHook, nCode, wParam, lParam);
			m_Owner->Cancel();
			return 0;

		case WM_MOUSEMOVE: // allow hottracking by the toolbar control
			::GetCursorPos(&pt);
			::ScreenToClient(m_Owner->m_hwndToolbar, &pt);
			LPARAM newPos = MAKELONG(pt.x, pt.y);
			::SendMessage(m_Owner->m_hwndToolbar, pMsg->message, pMsg->wParam, newPos);
			break;
		}

		// some key event requested to cancel the menu
		if (fCancel) {
			int iIndex = m_Owner->idToIndex(m_Owner->m_activeID);
			if (iIndex != -1)
				::SendMessage(m_Owner->m_hwndToolbar, TB_SETHOTITEM, (WPARAM)iIndex, 0);
			::SetFocus(m_Owner->m_hwndToolbar);
			::SendMessage(m_Owner->m_hwndToolbar, TB_SETSTATE, (WPARAM)m_Owner->m_activeID, TBSTATE_ENABLED | TBSTATE_PRESSED);
			m_Owner->cancel();
			m_Owner->m_fTracking = false;
		}
	}
	return ::CallNextHookEx(m_hHook, nCode, wParam, lParam);
}

// window procedure for the status bar class.

static int   tooltip_active = FALSE;
static POINT ptMouse = { 0 };
RECT   rcLastStatusBarClick;		// remembers click (down event) point for status bar clicks

LONG_PTR CALLBACK CMsgDialog::StatusBarSubclassProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	TContainerData *pContainer = (TContainerData*)GetWindowLongPtr(GetParent(hWnd), GWLP_USERDATA);
	CMsgDialog *dat = nullptr;
	POINT pt;

	if (OldStatusBarproc == nullptr) {
		WNDCLASSEX wc = { 0 };
		wc.cbSize = sizeof(wc);
		GetClassInfoEx(g_plugin.getInst(), STATUSCLASSNAME, &wc);
		OldStatusBarproc = wc.lpfnWndProc;
	}

	switch (msg) {
	case WM_CREATE:
		LRESULT ret;
		{
			CREATESTRUCT *cs = (CREATESTRUCT *)lParam;
			HWND hwndParent = GetParent(hWnd);

			// dirty trick to get rid of that annoying sizing gripper
			SetWindowLongPtr(hwndParent, GWL_STYLE, GetWindowLongPtr(hwndParent, GWL_STYLE) & ~WS_THICKFRAME);
			SetWindowLongPtr(hwndParent, GWL_EXSTYLE, GetWindowLongPtr(hwndParent, GWL_EXSTYLE) & ~WS_EX_APPWINDOW);
			cs->style &= ~SBARS_SIZEGRIP;
			ret = CallWindowProc(OldStatusBarproc, hWnd, msg, wParam, lParam);
			SetWindowLongPtr(hwndParent, GWL_STYLE, GetWindowLongPtr(hwndParent, GWL_STYLE) | WS_THICKFRAME);
			SetWindowLongPtr(hwndParent, GWL_EXSTYLE, GetWindowLongPtr(hwndParent, GWL_EXSTYLE) | WS_EX_APPWINDOW);
		}
		return ret;

	case WM_NCHITTEST:
		RECT r;
		{
			LRESULT lr = SendMessage(GetParent(hWnd), WM_NCHITTEST, wParam, lParam);
			int clip = CSkin::m_bClipBorder;

			GetWindowRect(hWnd, &r);
			GetCursorPos(&pt);
			if (pt.y <= r.bottom && pt.y >= r.bottom - clip - 3) {
				if (pt.x > r.right - clip - 4)
					return HTBOTTOMRIGHT;
			}
			if (lr == HTLEFT || lr == HTRIGHT || lr == HTBOTTOM || lr == HTTOP || lr == HTTOPLEFT || lr == HTTOPRIGHT
				|| lr == HTBOTTOMLEFT || lr == HTBOTTOMRIGHT)
				return HTTRANSPARENT;
		}
		break;

	case WM_ERASEBKGND:
		return 1;

	case WM_PAINT:
		PAINTSTRUCT ps;
		{
			HDC hdc = BeginPaint(hWnd, &ps);
			int nParts = SendMessage(hWnd, SB_GETPARTS, 0, 0);
			CSkinItem *item = &SkinItems[ID_EXTBKSTATUSBARPANEL];

			BOOL bAero = M.isAero();
			HANDLE hTheme = bAero ? OpenThemeData(hWnd, L"ButtonStyle") : nullptr;

			if (pContainer)
				dat = (CMsgDialog*)GetWindowLongPtr(pContainer->m_hwndActive, GWLP_USERDATA);

			RECT rcClient;
			GetClientRect(hWnd, &rcClient);

			HBITMAP hbm, hbmOld;
			HANDLE hbp = nullptr;
			HDC hdcMem;
			if (CMimAPI::m_haveBufferedPaint) {
				hbp = CMimAPI::m_pfnBeginBufferedPaint(hdc, &rcClient, BPBF_TOPDOWNDIB, nullptr, &hdcMem);
				hbm = hbmOld = nullptr;
			}
			else {
				hdcMem = CreateCompatibleDC(hdc);
				hbm = CSkin::CreateAeroCompatibleBitmap(rcClient, hdc);
				hbmOld = (HBITMAP)SelectObject(hdcMem, hbm);
			}

			SetBkMode(hdcMem, TRANSPARENT);

			COLORREF clr = CSkin::m_skinEnabled ? CSkin::m_DefaultFontColor : (PluginConfig.m_fillColor ? PluginConfig.m_genericTxtColor : GetSysColor(COLOR_BTNTEXT));

			HFONT hFontOld = (HFONT)SelectObject(hdcMem, GetStockObject(DEFAULT_GUI_FONT));

			if (pContainer && CSkin::m_skinEnabled)
				CSkin::SkinDrawBG(hWnd, GetParent(hWnd), pContainer, &rcClient, hdcMem);
			else if (bAero) {
				FillRect(hdcMem, &rcClient, CSkin::m_BrushBack);
				CSkin::ApplyAeroEffect(hdcMem, &rcClient, CSkin::AERO_EFFECT_AREA_STATUSBAR);
			}
			else {
				CSkin::FillBack(hdcMem, &rcClient);
				RECT rcFrame = rcClient;
				if (PluginConfig.m_fillColor == 0) {
					InflateRect(&rcFrame, -2, -1);
					DrawEdge(hdcMem, &rcClient, BDR_RAISEDINNER | BDR_SUNKENOUTER, BF_RECT);
				}
				else {
					CSkin::m_switchBarItem->setAlphaFormat(AC_SRC_ALPHA, 180);
					CSkin::m_switchBarItem->Render(hdcMem, &rcFrame, true);
				}
			}

			for (int i = 0; i < nParts; i++) {
				RECT itemRect;
				SendMessage(hWnd, SB_GETRECT, (WPARAM)i, (LPARAM)&itemRect);
				if (!item->IGNORED && !bAero && pContainer && CSkin::m_skinEnabled)
					CSkin::DrawItem(hdcMem, &itemRect, item);

				if (i == 0)
					itemRect.left += 2;

				// draw visual message length indicator in the leftmost status bar field
				if (PluginConfig.m_visualMessageSizeIndicator && i == 0) {
					if (dat && !dat->isChat()) {
						HBRUSH br = CreateSolidBrush(RGB(0, 255, 0));
						HBRUSH brOld = (HBRUSH)SelectObject(hdcMem, br);

						RECT rc = itemRect;
						rc.top = rc.bottom - 3;
						rc.left = 0;

						int iMaxSize = (int)dat->m_cache->getMaxMessageLength();
						if (!g_plugin.bAutoSplit) {
							float fMax = (float)iMaxSize;
							float uPercent = (float)dat->m_textLen / ((fMax / (float)100.0) ? (fMax / (float)100.0) : (float)75.0);
							float fx = ((float)rc.right / (float)100.0) * uPercent;

							rc.right = (LONG)fx;
							FillRect(hdcMem, &rc, br);
						}
						else {
							float baselen = (dat->m_textLen <= iMaxSize) ? (float)dat->m_textLen : (float)iMaxSize;
							float fMax = (float)iMaxSize;
							float uPercent = baselen / ((fMax / (float)100.0) ? (fMax / (float)100.0) : (float)75.0);
							float fx;
							LONG  width = rc.right - rc.left;
							if (dat->m_textLen >= iMaxSize)
								rc.right = rc.right / 3;
							fx = ((float)rc.right / (float)100.0) * uPercent;
							rc.right = (LONG)fx;
							FillRect(hdcMem, &rc, br);
							if (dat->m_textLen >= iMaxSize) {
								SelectObject(hdcMem, brOld);
								DeleteObject(br);
								br = CreateSolidBrush(RGB(255, 0, 0));
								brOld = (HBRUSH)SelectObject(hdcMem, br);
								rc.left = width / 3;
								rc.right = width;
								uPercent = (float)dat->m_textLen / (float)200.0;
								fx = ((float)(rc.right - rc.left) / (float)100.0) * uPercent;
								rc.right = rc.left + (LONG)fx;
								FillRect(hdcMem, &rc, br);
							}
						}
						SelectObject(hdcMem, brOld);
						DeleteObject(br);
					}
				}

				int height = itemRect.bottom - itemRect.top;
				HICON hIcon = (HICON)SendMessage(hWnd, SB_GETICON, i, 0);

				wchar_t szText[1024]; szText[0] = 0;
				LRESULT result = SendMessage(hWnd, SB_GETTEXT, i, (LPARAM)szText);
				if (i == 2 && pContainer) {
					CMsgDialog *pDat = (CMsgDialog*)GetWindowLongPtr(pContainer->m_hwndActive, GWLP_USERDATA);
					if (pDat)
						pDat->DrawStatusIcons(hdcMem, itemRect, 2);
				}
				else {
					if (hIcon) {
						if (LOWORD(result) > 1) {				// we have a text
							DrawIconEx(hdcMem, itemRect.left + 3, (height / 2 - 8) + itemRect.top, hIcon, 16, 16, 0, nullptr, DI_NORMAL);

							itemRect.left += 20;
							CSkin::RenderText(hdcMem, hTheme, szText, &itemRect, DT_VCENTER | DT_END_ELLIPSIS | DT_SINGLELINE | DT_NOPREFIX,
								CSkin::m_glowSize, clr);
						}
						else DrawIconEx(hdcMem, itemRect.left + 3, (height / 2 - 8) + itemRect.top, hIcon, 16, 16, 0, nullptr, DI_NORMAL);
					}
					else {
						itemRect.left += 2;
						itemRect.right -= 2;
						CSkin::RenderText(hdcMem, hTheme, szText, &itemRect, DT_VCENTER | DT_SINGLELINE | DT_END_ELLIPSIS | DT_NOPREFIX, CSkin::m_glowSize, clr);
					}
				}
			}

			if (hbp)
				CSkin::FinalizeBufferedPaint(hbp, &rcClient);
			else {
				BitBlt(hdc, 0, 0, rcClient.right, rcClient.bottom, hdcMem, 0, 0, SRCCOPY);
				SelectObject(hdcMem, hbmOld);
				DeleteObject(hbm);
				SelectObject(hdcMem, hFontOld);
				DeleteDC(hdcMem);
			}

			if (hTheme)
				CloseThemeData(hTheme);

			EndPaint(hWnd, &ps);
		}
		return 0;

	case WM_USER + 101:
		// tell status bar to update the part layout (re-calculate part widths)
		// needed when an icon is added to or removed from the icon area
		{
			int list_icons = 0;
			dat = (CMsgDialog*)lParam;
			if (dat)
				while (Srmm_GetNthIcon(dat->m_hContact, list_icons))
					list_icons++;

			SendMessage(hWnd, WM_SIZE, 0, 0);

			RECT rcs;
			GetWindowRect(hWnd, &rcs);

			int statwidths[5];
			statwidths[0] = (rcs.right - rcs.left) - (2 * SB_CHAR_WIDTH + 20) - (list_icons * (PluginConfig.m_smcxicon + 2));
			statwidths[1] = (rcs.right - rcs.left) - (10 + (list_icons * (PluginConfig.m_smcxicon + 2)));
			statwidths[2] = -1;
			SendMessage(hWnd, SB_SETPARTS, 3, (LPARAM)statwidths);
		}
		return 0;

	case WM_SETCURSOR:
		GetCursorPos(&pt);
		SendMessage(GetParent(hWnd), msg, wParam, lParam);
		if (pt.x == ptMouse.x && pt.y == ptMouse.y)
			return 1;

		ptMouse = pt;
		if (tooltip_active) {
			KillTimer(hWnd, TIMERID_HOVER);
			Tipper_Hide();
			tooltip_active = FALSE;
		}
		KillTimer(hWnd, TIMERID_HOVER);
		SetTimer(hWnd, TIMERID_HOVER, 450, nullptr);
		break;

	case WM_LBUTTONDOWN:
	case WM_RBUTTONDOWN:
		KillTimer(hWnd, TIMERID_HOVER);
		Tipper_Hide();
		tooltip_active = FALSE;
		GetCursorPos(&pt);
		rcLastStatusBarClick.left = pt.x - 2;
		rcLastStatusBarClick.right = pt.x + 2;
		rcLastStatusBarClick.top = pt.y - 2;
		rcLastStatusBarClick.bottom = pt.y + 2;

		if (pContainer->cfg.flags.m_bNoTitle) {
			POINT	pt1 = pt;
			ScreenToClient(hWnd, &pt1);

			RECT rcIconpart;
			SendMessage(hWnd, SB_GETRECT, 2, (LPARAM)&rcIconpart);
			if (!PtInRect(&rcIconpart, pt1))
				return SendMessage(pContainer->m_hwnd, WM_SYSCOMMAND, SC_MOVE | HTCAPTION, MAKELPARAM(pt.x, pt.y));
		}
		break;

	case WM_TIMER:
		if (pContainer == nullptr || wParam != TIMERID_HOVER)
			break;
		KillTimer(hWnd, TIMERID_HOVER);
		GetCursorPos(&pt);
		if (pt.x != ptMouse.x || pt.y != ptMouse.y)
			break;
		dat = (CMsgDialog*)GetWindowLongPtr(pContainer->m_hwndActive, GWLP_USERDATA);
		if (dat != nullptr) {
			RECT rc;
			SIZE size;
			wchar_t wBuf[512]; wBuf[0] = 0;
			CLCINFOTIP ti = { 0 };
			ti.cbSize = sizeof(ti);
			ti.ptCursor = pt;
			ScreenToClient(hWnd, &pt);
			SendMessage(hWnd, SB_GETRECT, 2, (LPARAM)&rc);
			if (PtInRect(&rc, pt)) {
				unsigned int iconNum = (pt.x - rc.left) / (PluginConfig.m_smcxicon + 2);
				StatusIconData *sid = Srmm_GetNthIcon(dat->m_hContact, iconNum);
				if (sid == nullptr)
					break;

				if (!mir_strcmp(sid->szModule, MSG_ICON_MODULE)) {
					if (sid->dwId == MSG_ICON_SOUND) {
						mir_snwprintf(wBuf, TranslateT("Sounds are %s. Click to toggle status, hold Shift and click to set for all open containers"),
							pContainer->cfg.flags.m_bNoSound ? TranslateT("disabled") : TranslateT("enabled"));
					}
					else if (sid->dwId == MSG_ICON_UTN && dat->AllowTyping()) {
						int mtnStatus = g_plugin.getByte(dat->m_hContact, SRMSGSET_TYPING, g_plugin.bTypingNew);
						mir_snwprintf(wBuf, TranslateT("Sending typing notifications is %s."),
							mtnStatus ? TranslateT("enabled") : TranslateT("disabled"));
					}
				}
				else if (sid->szTooltip.w)
					wcsncpy_s(wBuf, sid->szTooltip.w, _TRUNCATE);

				if (wBuf[0]) {
					Tipper_ShowTip(wBuf, &ti);
					tooltip_active = TRUE;
				}
			}
			SendMessage(hWnd, SB_GETRECT, 1, (LPARAM)&rc);
			if (PtInRect(&rc, pt)) {
				int iQueued = db_get_dw(dat->m_hContact, "SendLater", "count", 0);
				tooltip_active = TRUE;

				mir_snwprintf(wBuf, 
					TranslateT("There are %d pending send jobs. Message length: %d bytes, message length limit: %d bytes\n\n%d messages are queued for later delivery"),
					dat->m_iOpenJobs, dat->m_message.GetRichTextLength(CP_UTF8), dat->m_cache->getMaxMessageLength(), iQueued);
				Tipper_ShowTip(wBuf, &ti);
			}

			if (SendMessage(dat->m_pContainer->m_hwndStatus, SB_GETTEXT, 0, (LPARAM)wBuf)) {
				HDC hdc;
				int iLen = SendMessage(dat->m_pContainer->m_hwndStatus, SB_GETTEXTLENGTH, 0, 0);
				SendMessage(hWnd, SB_GETRECT, 0, (LPARAM)&rc);
				GetTextExtentPoint32(hdc = GetDC(dat->m_pContainer->m_hwndStatus), wBuf, iLen, &size);
				ReleaseDC(dat->m_pContainer->m_hwndStatus, hdc);

				if (PtInRect(&rc, pt) && ((rc.right - rc.left) < size.cx)) {
					if (dat->isChat()) {
						ptrW tszTopic(db_get_wsa(dat->m_hContact, dat->m_szProto, "Topic"));
						if (tszTopic != nullptr) {
							tooltip_active = TRUE;
							Tipper_ShowTip(tszTopic, &ti);
						}
					}
				}
			}
		}
		break;

	case WM_DESTROY:
		KillTimer(hWnd, TIMERID_HOVER);
	}
	return CallWindowProc(OldStatusBarproc, hWnd, msg, wParam, lParam);
}