mirror of
https://github.com/reactos/reactos.git
synced 2024-11-18 21:13:52 +00:00
375 lines
10 KiB
C++
375 lines
10 KiB
C++
/*
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* ReactOS Explorer
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*
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* Copyright 2006 - 2007 Thomas Weidenmueller <w3seek@reactos.org>
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* Copyright 2018 Ged Murphy <gedmurphy@reactos.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "precomp.h"
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/*
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* TrayNotifyWnd
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*/
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static const WCHAR szTrayNotifyWndClass[] = L"TrayNotifyWnd";
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#define TRAY_NOTIFY_WND_SPACING_X 1
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#define TRAY_NOTIFY_WND_SPACING_Y 1
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class CTrayNotifyWnd :
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public CComCoClass<CTrayNotifyWnd>,
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public CComObjectRootEx<CComMultiThreadModelNoCS>,
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public CWindowImpl < CTrayNotifyWnd, CWindow, CControlWinTraits >,
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public IOleWindow
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{
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CComPtr<IUnknown> m_clock;
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CComPtr<IUnknown> m_pager;
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HWND m_hwndClock;
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HWND m_hwndPager;
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HTHEME TrayTheme;
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SIZE szTrayClockMin;
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SIZE szTrayNotify;
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MARGINS ContentMargin;
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BOOL IsHorizontal;
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public:
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CTrayNotifyWnd() :
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m_hwndClock(NULL),
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m_hwndPager(NULL),
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TrayTheme(NULL),
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IsHorizontal(FALSE)
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{
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ZeroMemory(&szTrayClockMin, sizeof(szTrayClockMin));
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ZeroMemory(&szTrayNotify, sizeof(szTrayNotify));
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ZeroMemory(&ContentMargin, sizeof(ContentMargin));
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}
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virtual ~CTrayNotifyWnd() { }
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LRESULT OnThemeChanged()
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{
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if (TrayTheme)
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CloseThemeData(TrayTheme);
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if (IsThemeActive())
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TrayTheme = OpenThemeData(m_hWnd, L"TrayNotify");
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else
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TrayTheme = NULL;
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if (TrayTheme)
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{
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SetWindowExStyle(m_hWnd, WS_EX_STATICEDGE, 0);
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GetThemeMargins(TrayTheme,
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NULL,
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TNP_BACKGROUND,
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0,
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TMT_CONTENTMARGINS,
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NULL,
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&ContentMargin);
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}
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else
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{
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SetWindowExStyle(m_hWnd, WS_EX_STATICEDGE, WS_EX_STATICEDGE);
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ContentMargin.cxLeftWidth = 2;
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ContentMargin.cxRightWidth = 2;
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ContentMargin.cyTopHeight = 2;
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ContentMargin.cyBottomHeight = 2;
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}
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return TRUE;
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}
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LRESULT OnThemeChanged(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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return OnThemeChanged();
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}
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LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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HRESULT hr;
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hr = CTrayClockWnd_CreateInstance(m_hWnd, IID_PPV_ARG(IUnknown, &m_clock));
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if (FAILED_UNEXPECTEDLY(hr))
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return FALSE;
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hr = IUnknown_GetWindow(m_clock, &m_hwndClock);
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if (FAILED_UNEXPECTEDLY(hr))
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return FALSE;
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hr = CSysPagerWnd_CreateInstance(m_hWnd, IID_PPV_ARG(IUnknown, &m_pager));
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if (FAILED_UNEXPECTEDLY(hr))
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return FALSE;
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hr = IUnknown_GetWindow(m_pager, &m_hwndPager);
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if (FAILED_UNEXPECTEDLY(hr))
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return FALSE;
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return TRUE;
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}
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BOOL GetMinimumSize(IN OUT PSIZE pSize)
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{
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SIZE szClock = { 0, 0 };
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SIZE szTray = { 0, 0 };
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if (!g_TaskbarSettings.sr.HideClock)
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{
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if (IsHorizontal)
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{
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szClock.cy = pSize->cy - 2 * TRAY_NOTIFY_WND_SPACING_Y;
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if (szClock.cy <= 0)
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goto NoClock;
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}
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else
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{
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szClock.cx = pSize->cx - 2 * TRAY_NOTIFY_WND_SPACING_X;
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if (szClock.cx <= 0)
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goto NoClock;
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}
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::SendMessage(m_hwndClock, TNWM_GETMINIMUMSIZE, (WPARAM) IsHorizontal, (LPARAM) &szClock);
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szTrayClockMin = szClock;
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}
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else
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NoClock:
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szTrayClockMin = szClock;
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if (IsHorizontal)
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{
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szTray.cy = pSize->cy - 2 * TRAY_NOTIFY_WND_SPACING_Y;
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}
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else
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{
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szTray.cx = pSize->cx - 2 * TRAY_NOTIFY_WND_SPACING_X;
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}
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::SendMessage(m_hwndPager, TNWM_GETMINIMUMSIZE, (WPARAM) IsHorizontal, (LPARAM) &szTray);
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szTrayNotify = szTray;
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if (IsHorizontal)
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{
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pSize->cx = 2 * TRAY_NOTIFY_WND_SPACING_X;
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if (!g_TaskbarSettings.sr.HideClock)
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pSize->cx += TRAY_NOTIFY_WND_SPACING_X + szTrayClockMin.cx;
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pSize->cx += szTray.cx;
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pSize->cx += ContentMargin.cxLeftWidth + ContentMargin.cxRightWidth;
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}
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else
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{
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pSize->cy = 2 * TRAY_NOTIFY_WND_SPACING_Y;
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if (!g_TaskbarSettings.sr.HideClock)
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pSize->cy += TRAY_NOTIFY_WND_SPACING_Y + szTrayClockMin.cy;
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pSize->cy += szTray.cy;
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pSize->cy += ContentMargin.cyTopHeight + ContentMargin.cyBottomHeight;
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}
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return TRUE;
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}
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VOID Size(IN const SIZE *pszClient)
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{
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if (!g_TaskbarSettings.sr.HideClock)
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{
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POINT ptClock;
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SIZE szClock;
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if (IsHorizontal)
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{
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ptClock.x = pszClient->cx - szTrayClockMin.cx - ContentMargin.cxRightWidth;
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ptClock.y = ContentMargin.cyTopHeight;
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szClock.cx = szTrayClockMin.cx;
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szClock.cy = pszClient->cy - ContentMargin.cyTopHeight - ContentMargin.cyBottomHeight;
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}
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else
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{
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ptClock.x = ContentMargin.cxLeftWidth;
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ptClock.y = pszClient->cy - szTrayClockMin.cy;
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szClock.cx = pszClient->cx - ContentMargin.cxLeftWidth - ContentMargin.cxRightWidth;
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szClock.cy = szTrayClockMin.cy;
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}
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::SetWindowPos(m_hwndClock,
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NULL,
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ptClock.x,
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ptClock.y,
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szClock.cx,
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szClock.cy,
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SWP_NOZORDER);
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}
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POINT ptPager;
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if (IsHorizontal)
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{
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ptPager.x = ContentMargin.cxLeftWidth;
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ptPager.y = (pszClient->cy - szTrayNotify.cy)/2;
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}
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else
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{
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ptPager.x = (pszClient->cx - szTrayNotify.cx)/2;
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ptPager.y = ContentMargin.cyTopHeight;
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}
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::SetWindowPos(m_hwndPager,
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NULL,
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ptPager.x,
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ptPager.y,
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szTrayNotify.cx,
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szTrayNotify.cy,
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SWP_NOZORDER);
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}
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LRESULT OnEraseBackground(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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HDC hdc = (HDC) wParam;
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if (!TrayTheme)
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{
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bHandled = FALSE;
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return 0;
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}
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RECT rect;
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GetClientRect(&rect);
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if (IsThemeBackgroundPartiallyTransparent(TrayTheme, TNP_BACKGROUND, 0))
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DrawThemeParentBackground(m_hWnd, hdc, &rect);
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DrawThemeBackground(TrayTheme, hdc, TNP_BACKGROUND, 0, &rect, 0);
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return TRUE;
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}
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LRESULT OnGetMinimumSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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BOOL Horizontal = (BOOL) wParam;
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if (Horizontal != IsHorizontal)
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{
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IsHorizontal = Horizontal;
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if (IsHorizontal)
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SetWindowTheme(m_hWnd, L"TrayNotifyHoriz", NULL);
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else
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SetWindowTheme(m_hWnd, L"TrayNotifyVert", NULL);
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}
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return (LRESULT) GetMinimumSize((PSIZE) lParam);
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}
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LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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SIZE szClient;
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szClient.cx = LOWORD(lParam);
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szClient.cy = HIWORD(lParam);
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Size(&szClient);
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return TRUE;
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}
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LRESULT OnNcHitTest(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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return HTTRANSPARENT;
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}
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LRESULT OnCtxMenu(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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bHandled = TRUE;
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if (reinterpret_cast<HWND>(wParam) == m_hwndClock)
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return GetParent().SendMessage(uMsg, wParam, lParam);
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else
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return 0;
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}
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LRESULT OnClockMessage(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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return SendMessageW(m_hwndClock, uMsg, wParam, lParam);
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}
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LRESULT OnPagerMessage(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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return SendMessageW(m_hwndPager, uMsg, wParam, lParam);
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}
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LRESULT OnRealign(INT uCode, LPNMHDR hdr, BOOL& bHandled)
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{
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hdr->hwndFrom = m_hWnd;
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return GetParent().SendMessage(WM_NOTIFY, 0, (LPARAM)hdr);
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}
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HRESULT WINAPI GetWindow(HWND* phwnd)
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{
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if (!phwnd)
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return E_INVALIDARG;
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*phwnd = m_hWnd;
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return S_OK;
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}
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HRESULT WINAPI ContextSensitiveHelp(BOOL fEnterMode)
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{
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return E_NOTIMPL;
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}
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DECLARE_NOT_AGGREGATABLE(CTrayNotifyWnd)
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DECLARE_PROTECT_FINAL_CONSTRUCT()
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BEGIN_COM_MAP(CTrayNotifyWnd)
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COM_INTERFACE_ENTRY_IID(IID_IOleWindow, IOleWindow)
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END_COM_MAP()
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DECLARE_WND_CLASS_EX(szTrayNotifyWndClass, CS_DBLCLKS, COLOR_3DFACE)
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BEGIN_MSG_MAP(CTrayNotifyWnd)
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MESSAGE_HANDLER(WM_CREATE, OnCreate)
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MESSAGE_HANDLER(WM_THEMECHANGED, OnThemeChanged)
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MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackground)
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MESSAGE_HANDLER(WM_SIZE, OnSize)
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MESSAGE_HANDLER(WM_NCHITTEST, OnNcHitTest)
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MESSAGE_HANDLER(WM_CONTEXTMENU, OnCtxMenu)
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MESSAGE_HANDLER(WM_NCLBUTTONDBLCLK, OnClockMessage)
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MESSAGE_HANDLER(TWM_SETTINGSCHANGED, OnClockMessage)
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MESSAGE_HANDLER(WM_SETFONT, OnClockMessage)
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MESSAGE_HANDLER(WM_SETTINGCHANGE, OnPagerMessage)
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MESSAGE_HANDLER(WM_COPYDATA, OnPagerMessage)
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NOTIFY_CODE_HANDLER(NTNWM_REALIGN, OnRealign)
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MESSAGE_HANDLER(TNWM_GETMINIMUMSIZE, OnGetMinimumSize)
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END_MSG_MAP()
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HRESULT Initialize(IN HWND hwndParent)
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{
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DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
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Create(hwndParent, 0, NULL, dwStyle, WS_EX_STATICEDGE);
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if (!m_hWnd)
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return E_FAIL;
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return S_OK;
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}
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};
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HRESULT CTrayNotifyWnd_CreateInstance(HWND hwndParent, REFIID riid, void **ppv)
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{
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return ShellObjectCreatorInit<CTrayNotifyWnd>(hwndParent, riid, ppv);
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}
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