startmenu.cpp

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		bk_color_idx = COLOR_HIGHLIGHT;
		text_color_idx = COLOR_HIGHLIGHTTEXT;
	}

	COLORREF bk_color = GetSysColor(bk_color_idx);
	HBRUSH bk_brush = GetSysColorBrush(bk_color_idx);

	if (title)
		FillRect(hdc, &rect, bk_brush);

	if (btn._icon_id > ICID_NONE)
		g_Globals._icon_cache.get_icon(btn._icon_id).draw(hdc, iconPos.x, iconPos.y, icon_size, icon_size, bk_color, bk_brush/*, icon_size*/);

	 // draw submenu arrow at the right
	if (btn._hasSubmenu) {
		ResIconEx arrowIcon(IDI_ARROW, icon_size, icon_size);
		ResIconEx selArrowIcon(IDI_ARROW_SELECTED, icon_size, icon_size);

		DrawIconEx(hdc, rect.right-icon_size, iconPos.y,
					has_focus? selArrowIcon: arrowIcon,
					icon_size, icon_size, 0, bk_brush, DI_NORMAL);
	}

	if (title) {
		BkMode bk_mode(hdc, TRANSPARENT);

		if (!btn._enabled)	// dis->itemState & (ODS_DISABLED|ODS_GRAYED)
			DrawGrayText(hdc, &textRect, title, DT_SINGLELINE|DT_NOPREFIX|DT_VCENTER);
		else {
			TextColor lcColor(hdc, GetSysColor(text_color_idx));
			DrawText(hdc, title, -1, &textRect, DT_SINGLELINE|DT_NOPREFIX|DT_VCENTER);
		}
	}
}


#ifdef _LIGHT_STARTMENU

void StartMenu::ResizeToButtons()
{
	WindowRect rect(_hwnd);

	WindowCanvas canvas(_hwnd);
	FontSelection font(canvas, GetStockFont(DEFAULT_GUI_FONT));

	const int icon_size = _icon_size;

	int max_width = STARTMENU_WIDTH_MIN;
	int height = 0;

	for(SMBtnVector::const_iterator it=_buttons.begin(); it!=_buttons.end(); ++it) {
		int w = GetStartMenuBtnTextWidth(canvas, it->_title, _hwnd);

		if (w > max_width)
			max_width = w;

		if (it->_id == -1)
			height += STARTMENU_SEP_HEIGHT(icon_size);
		else
			height += STARTMENU_LINE_HEIGHT(icon_size);
	}

	 // calculate new window size
	int text_width = max_width + icon_size + 10/*placeholder*/ + 16/*arrow*/;

	RECT rt_hgt = {rect.left, rect.bottom-_border_top-height, rect.left+_border_left+text_width, rect.bottom};
	AdjustWindowRectEx(&rt_hgt, GetWindowStyle(_hwnd), FALSE, GetWindowExStyle(_hwnd));

	 // ignore movement, only look at the size change
	rect.right = rect.left + (rt_hgt.right-rt_hgt.left);
	rect.top = rect.bottom - (rt_hgt.bottom-rt_hgt.top);

	 // move down if we are too high
	if (rect.top < 0) {
		int dy = -rect.top;
		rect.top += dy;
		rect.bottom += dy;
	}

	 // enable scroll mode for long start menus, which span more than the whole screen height
	int cyscreen = GetSystemMetrics(SM_CYSCREEN);
	int bottom_max = 0;

	if (rect.bottom > cyscreen) {
		_arrow_btns = true;

		_invisible_lines = (rect.bottom-cyscreen+(STARTMENU_LINE_HEIGHT(icon_size)+1))/STARTMENU_LINE_HEIGHT(icon_size)+1; 
		rect.bottom -= _invisible_lines * STARTMENU_LINE_HEIGHT(icon_size);

		bottom_max = rect.bottom;

		if (_floating_btn)
			rect.bottom += 6;	// lower scroll arrow
		else {
			_border_top += 6;	// upper scroll arrow
			rect.bottom += 2*6;	// upper+lower scroll arrow
		}
	}

	MoveWindow(_hwnd, rect.left, rect.top, rect.right-rect.left, rect.bottom-rect.top, TRUE);

	if (bottom_max) {
		POINT pt = {0, bottom_max};

		ScreenToClient(_hwnd, &pt);

		_bottom_max = pt.y;
	}
}

#else // _LIGHT_STARTMENU

LRESULT StartMenuButton::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
	switch(nmsg) {
	  case WM_MOUSEMOVE:
		 // automatically set the focus to startmenu entries when moving the mouse over them
		if (GetFocus()!=_hwnd && !(GetWindowStyle(_hwnd)&WS_DISABLED))
			SetFocus(_hwnd);
		break;

	  case WM_SETFOCUS:
		PostParent(PM_STARTENTRY_FOCUSED, _hasSubmenu, (LPARAM)_hwnd);
		goto def;

	  case WM_CANCELMODE:
		 // route WM_CANCELMODE to the startmenu window
		return SendParent(nmsg, wparam, lparam);

	  default: def:
		return super::WndProc(nmsg, wparam, lparam);
	}

	return 0;
}

void StartMenuButton::DrawItem(LPDRAWITEMSTRUCT dis)
{
	TCHAR title[BUFFER_LEN];

	GetWindowText(_hwnd, title, BUFFER_LEN);

	DrawStartMenuButton(dis->hDC, dis->rcItem, title, _hIcon,
						_hasSubmenu,
						!(dis->itemState & ODS_DISABLED),
						dis->itemState&ODS_FOCUS? true: false,
						dis->itemState&ODS_SELECTED? true: false);
}

#endif


StartMenuRoot::StartMenuRoot(HWND hwnd, const StartMenuRootCreateInfo& info)
 :	super(hwnd, info._icon_size)
{
#ifndef __MINGW32__	// SHRestricted() missing in MinGW (as of 29.10.2003)
	if (!g_Globals._SHRestricted || !SHRestricted(REST_NOCOMMONGROUPS))
#endif
		try {
			 // insert directory "All Users\Start Menu"
			ShellDirectory cmn_startmenu(GetDesktopFolder(), SpecialFolderPath(CSIDL_COMMON_STARTMENU, _hwnd), _hwnd);
			_dirs.push_back(StartMenuDirectory(cmn_startmenu, (LPCTSTR)SpecialFolderFSPath(CSIDL_COMMON_PROGRAMS, _hwnd)));
		} catch(COMException&) {
			// ignore exception and don't show additional shortcuts
		}

	try {
		 // insert directory "<user name>\Start Menu"
		ShellDirectory usr_startmenu(GetDesktopFolder(), SpecialFolderPath(CSIDL_STARTMENU, _hwnd), _hwnd);
		_dirs.push_back(StartMenuDirectory(usr_startmenu, (LPCTSTR)SpecialFolderFSPath(CSIDL_PROGRAMS, _hwnd)));
	} catch(COMException&) {
		// ignore exception and don't show additional shortcuts
	}

	ReadLogoSize();
}

void StartMenuRoot::ReadLogoSize()
{
	 // read size of logo bitmap
	BITMAP bmp_hdr;
	GetObject(ResBitmap(GetLogoResId()), sizeof(BITMAP), &bmp_hdr);
	_logo_size.cx = bmp_hdr.bmWidth;
	_logo_size.cy = bmp_hdr.bmHeight;

	 // cache logo width
	_border_left = _logo_size.cx + 1;
}


static void CalculateStartPos(HWND hwndOwner, RECT& rect, int icon_size)
{
	WindowRect pos(hwndOwner);

	rect.left = pos.left;
	rect.top = pos.top-STARTMENU_LINE_HEIGHT(icon_size)-4;
	rect.right = pos.left+STARTMENU_WIDTH_MIN;
	rect.bottom = pos.top;

#ifndef _LIGHT_STARTMENU
	rect.top += STARTMENU_LINE_HEIGHT(icon_size);
#endif

	AdjustWindowRectEx(&rect, WS_POPUP|WS_THICKFRAME|WS_CLIPCHILDREN|WS_VISIBLE, FALSE, 0);
}

HWND StartMenuRoot::Create(HWND hwndOwner, int icon_size)
{
	RECT rect;

	CalculateStartPos(hwndOwner, rect, icon_size);

	StartMenuRootCreateInfo create_info;

	create_info._icon_size = icon_size;

	return Window::Create(WINDOW_CREATOR_INFO(StartMenuRoot,StartMenuRootCreateInfo), &create_info, 0, GetWndClasss(), TITLE_STARTMENU,
							WS_POPUP|WS_THICKFRAME|WS_CLIPCHILDREN,
							rect.left, rect.top, rect.right-rect.left, rect.bottom-rect.top, hwndOwner);
}


void StartMenuRoot::TrackStartmenu()
{
	MSG msg;
	HWND hwnd = _hwnd;

#ifdef _LIGHT_STARTMENU
	_selected_id = -1;
#endif

#ifdef _LIGHT_STARTMENU
	 // recalculate start menu root position
	RECT rect;

	CalculateStartPos(GetParent(hwnd), rect, _icon_size);

	SetWindowPos(hwnd, 0, rect.left, rect.top, rect.right-rect.left, rect.bottom-rect.top, 0);

	ResizeToButtons();
#endif

	 // show previously hidden start menu
	ShowWindow(hwnd, SW_SHOW);
	SetForegroundWindow(hwnd);

	while(IsWindow(hwnd) && IsWindowVisible(hwnd)) {
		if (!GetMessage(&msg, 0, 0, 0)) {
			PostQuitMessage(msg.wParam);
			break;
		}

		 // Check for a mouse click on any window, that is not part of the start menu
		if (msg.message==WM_LBUTTONDOWN || msg.message==WM_MBUTTONDOWN || msg.message==WM_RBUTTONDOWN) {
			StartMenu* menu_wnd = NULL;

			for(HWND hwnd=msg.hwnd; hwnd; hwnd=GetParent(hwnd)) {
				menu_wnd = WINDOW_DYNAMIC_CAST(StartMenu, hwnd);

				if (menu_wnd)
					break;
			}

			if (!menu_wnd) {
				CloseStartMenu();
				break;
			}
		}

		try {
			if (pretranslate_msg(&msg))
				continue;

			if (dispatch_dialog_msg(&msg))
				continue;

			TranslateMessage(&msg);

			try {
				DispatchMessage(&msg);
			} catch(COMException& e) {
				HandleException(e, _hwnd);
			}
		} catch(COMException& e) {
			HandleException(e, _hwnd);
		}
	}
}


LRESULT	StartMenuRoot::Init(LPCREATESTRUCT pcs)
{
	 // add buttons for entries in _entries
	if (super::Init(pcs))
		return 1;

	AddSeparator();


#ifdef __MINGW32__
	HKEY hkey, hkeyAdv;
	DWORD value, len;

	if (RegOpenKey(HKEY_CURRENT_USER, _T("Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer"), &hkey))
		hkey = 0;

	if (RegOpenKey(HKEY_CURRENT_USER, _T("Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced"), &hkeyAdv))
		hkeyAdv = 0;

#define	IS_VALUE_ZERO(hk, name) \
	(!hk || (len=sizeof(value),RegQueryValueEx(hk, name, NULL, NULL, (LPBYTE)&value, &len) || !value))

#define	IS_VALUE_NOT_ZERO(hk, name) \
	(!hk || (len=sizeof(value),RegQueryValueEx(hk, name, NULL, NULL, (LPBYTE)&value, &len) || value>0))
#endif


	 // insert hard coded start entries
	AddButton(ResString(IDS_PROGRAMS),		ICID_APPS, true, IDC_PROGRAMS);

	AddButton(ResString(IDS_DOCUMENTS),		ICID_DOCUMENTS, true, IDC_DOCUMENTS);

#ifndef __MINGW32__	// SHRestricted() missing in MinGW (as of 29.10.2003)
	if (!g_Globals._SHRestricted || !SHRestricted(REST_NORECENTDOCSMENU))
#else
	if (IS_VALUE_ZERO(hkey, _T("NoRecentDocsMenu")))
#endif
		AddButton(ResString(IDS_RECENT),	ICID_RECENT, true, IDC_RECENT);

	AddButton(ResString(IDS_FAVORITES),		ICID_FAVORITES, true, IDC_FAVORITES);

	AddButton(ResString(IDS_SETTINGS),		ICID_CONFIG, true, IDC_SETTINGS);

	AddButton(ResString(IDS_BROWSE),		ICID_FOLDER, true, IDC_BROWSE);

#ifndef __MINGW32__	// SHRestricted() missing in MinGW (as of 29.10.2003)
	if (!g_Globals._SHRestricted || !SHRestricted(REST_NOFIND))
#else
	if (IS_VALUE_ZERO(hkey, _T("NoFind")))
#endif
		AddButton(ResString(IDS_SEARCH),	ICID_SEARCH, true, IDC_SEARCH);

	AddButton(ResString(IDS_START_HELP),	ICID_INFO, false, IDC_START_HELP);

#ifndef __MINGW32__	// SHRestricted() missing in MinGW (as of 29.10.2003)
	if (!g_Globals._SHRestricted || !SHRestricted(REST_NORUN))
#else
	if (IS_VALUE_ZERO(hkey, _T("NoRun")))
#endif
		AddButton(ResString(IDS_LAUNCH),	ICID_ACTION, false, IDC_LAUNCH);


	AddSeparator();


#ifndef __MINGW32__	// SHRestricted() missing in MinGW (as of 29.10.2003)
	if (!g_Globals._SHRestricted || SHRestricted(REST_STARTMENULOGOFF) != 1)
#else
	if (IS_VALUE_NOT_ZERO(hkeyAdv, _T("StartMenuLogoff")))
#endif
		AddButton(ResString(IDS_LOGOFF),	ICID_LOGOFF, false, IDC_LOGOFF);

#ifdef _ROS_
		AddButton(ResString(IDS_RESTART), ICID_RESTART, false, IDC_RESTART);
#endif

#ifndef __MINGW32__	// SHRestricted() missing in MinGW (as of 29.10.2003)
	if (!g_Globals._SHRestricted || !SHRestricted(REST_NOCLOSE))
#else
	if (IS_VALUE_ZERO(hkey, _T("NoClose")))
#endif
		AddButton(ResString(IDS_SHUTDOWN),	ICID_SHUTDOWN, false, IDC_SHUTDOWN);

#ifndef _ROS_
	AddButton(ResString(IDS_TERMINATE),	ICID_LOGOFF, false, IDC_TERMINATE);
#endif


#ifdef __MINGW32__
	RegCloseKey(hkeyAdv);
	RegCloseKey(hkey);
#endif


#ifdef _LIGHT_STARTMENU
	 // set the window size to fit all buttons
	ResizeToButtons();
#endif

	return 0;
}


void StartMenuRoot::AddEntries()
{
	super::AddEntries();

	AddButton(ResString(IDS_EXPLORE),	ICID_EXPLORER, false, IDC_EXPLORE);
}


LRESULT	StartMenuRoot::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
	switch(nmsg) {
	  case WM_PAINT: {
		PaintCanvas canvas(_hwnd);
		Paint(canvas);
		break;}

	  case WM_DISPLAYCHANGE:
		 // re-evaluate logo size using the correct color depth
		ReadLogoSize();
		break;

	  default:
		return super::WndProc(nmsg, wparam, lparam);
	}

	return 0;
}

void StartMenuRoot::Paint(PaintCanvas& canvas)
{
	MemCanvas mem_dc;
	ResBitmap bmp(GetLogoResId());
	BitmapSelection sel(mem_dc, bmp);

	ClientRect clnt(_hwnd);
	int h = min(_logo_size.cy, clnt.bottom);

	RECT rect = {0, 0, _logo_size.cx, clnt.bottom-h};
	HBRUSH hbr = CreateSolidBrush(GetPixel(mem_dc, 0, 0));
	FillRect(canvas, &rect, hbr);
	DeleteObject(hbr);

	PatBlt(canvas, _logo_size.cx, 0, 1, clnt.bottom, WHITENESS);

    BitBlt(canvas, 0, clnt.bottom-h, _logo_size.cx, h, mem_dc, 0, ( h<_logo_size.cy ? _logo_size.cy-h : 0) , SRCCOPY);

	super::Paint(canvas);
}

UINT StartMenuRoot::GetLogoResId()
{
	WindowCanvas dc(_hwnd);

	int clr_bits = GetDeviceCaps(dc, BITSPIXEL);

	if (clr_bits > 8)
		return IDB_LOGOV;
	else if (clr_bits > 4)
		return IDB_LOGOV256;
	else
		return IDB_LOGOV16;
}


void StartMenuRoot::CloseStartMenu(int id)
{
	if (_submenu)
		CloseSubmenus();

	ShowWindow(_hwnd, SW_HIDE);
}

void StartMenuRoot::ProcessKey(int vk)