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128 lines
3.4 KiB
C++
128 lines
3.4 KiB
C++
/*
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* Shell Menu Band
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*
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* Copyright 2014 David Quintana
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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 St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#pragma once
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class CMenuBand;
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class CMenuFocusManager :
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public CComCoClass<CMenuFocusManager>,
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public CComObjectRootEx<CComMultiThreadModelNoCS>
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{
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private:
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static DWORD TlsIndex;
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static CMenuFocusManager * GetManager();
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enum StackEntryType
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{
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NoEntry,
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MenuBarEntry,
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MenuPopupEntry,
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TrackedMenuEntry
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};
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struct StackEntry
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{
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StackEntryType type;
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CMenuBand * mb;
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HMENU hmenu;
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HWND hwnd;
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};
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public:
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static CMenuFocusManager * AcquireManager();
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static void ReleaseManager(CMenuFocusManager * obj);
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private:
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static LRESULT CALLBACK s_MsgFilterHook(INT nCode, WPARAM wParam, LPARAM lParam);
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static LRESULT CALLBACK s_GetMsgHook(INT nCode, WPARAM wParam, LPARAM lParam);
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private:
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StackEntry * m_current;
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StackEntry * m_parent;
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StackEntry * m_menuBar;
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HHOOK m_hMsgFilterHook;
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HHOOK m_hGetMsgHook;
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DWORD m_threadId;
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BOOL m_mouseTrackDisabled;
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POINT m_ptPrev;
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HWND m_captureHwnd;
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HWND m_hwndUnderMouse;
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StackEntry * m_entryUnderMouse;
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HMENU m_selectedMenu;
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INT m_selectedItem;
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DWORD m_selectedItemFlags;
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BOOL m_movedSinceDown;
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HWND m_windowAtDown;
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HWND m_PreviousForeground;
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// TODO: make dynamic
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#define MAX_RECURSE 20
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StackEntry m_bandStack[MAX_RECURSE];
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int m_bandCount;
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int m_menuDepth;
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HRESULT PushToArray(StackEntryType type, CMenuBand * mb, HMENU hmenu);
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HRESULT PopFromArray(StackEntryType * pType, CMenuBand ** pMb, HMENU * pHmenu);
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protected:
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CMenuFocusManager();
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~CMenuFocusManager();
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public:
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DECLARE_NOT_AGGREGATABLE(CMenuFocusManager)
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DECLARE_PROTECT_FINAL_CONSTRUCT()
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BEGIN_COM_MAP(CMenuFocusManager)
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END_COM_MAP()
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private:
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LRESULT GetMsgHook(INT nCode, WPARAM wParam, LPARAM lParam);
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LRESULT MsgFilterHook(INT nCode, WPARAM wParam, LPARAM lParam);
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HRESULT PlaceHooks();
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HRESULT RemoveHooks();
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HRESULT UpdateFocus();
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HRESULT IsTrackedWindow(HWND hWnd, StackEntry ** pentry = NULL);
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HRESULT IsTrackedWindowOrParent(HWND hWnd);
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void DisableMouseTrack(HWND parent, BOOL disableThis);
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void SetMenuCapture(HWND child);
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LRESULT ProcessMouseMove(MSG* msg);
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LRESULT ProcessMouseDown(MSG* msg, BOOL isLButton);
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LRESULT ProcessMouseUp(MSG* msg, BOOL isLButton);
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public:
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HRESULT PushMenuBar(CMenuBand * mb);
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HRESULT PushMenuPopup(CMenuBand * mb);
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HRESULT PushTrackedPopup(HMENU popup);
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HRESULT PopMenuBar(CMenuBand * mb);
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HRESULT PopMenuPopup(CMenuBand * mb);
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HRESULT PopTrackedPopup(HMENU popup);
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};
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