187 lines
4.6 KiB
C++
187 lines
4.6 KiB
C++
// Copyright (c) 1996-1999 Microsoft Corporation
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// --------------------------------------------------------------------------
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//
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// HOTKEY.CPP
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//
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// This knows how to talk to COMCTL32's HOTKEY control.
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//
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// --------------------------------------------------------------------------
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#include "oleacc_p.h"
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#include "default.h"
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#include "client.h"
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#include "hotkey.h"
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#define NOTOOLBAR
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#define NOUPDOWN
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#define NOMENUHELP
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#define NOTRACKBAR
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#define NODRAGLIST
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#define NOPROGRESS
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#define NOSTATUSBAR
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#define NOHEADER
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#define NOLISTVIEW
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#define NOTREEVIEW
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#define NOTABCONTROL
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#define NOANIMATE
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#include <commctrl.h>
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// --------------------------------------------------------------------------
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//
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// CreateHotKeyClient()
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//
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// Called by CreateClientObject() and Clone()
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//
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// --------------------------------------------------------------------------
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HRESULT CreateHotKeyClient(HWND hwnd, long idChildCur, REFIID riid,
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void** ppvHotKey)
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{
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CHotKey32* photkey;
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HRESULT hr;
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InitPv(ppvHotKey);
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photkey = new CHotKey32(hwnd, idChildCur);
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if (!photkey)
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return(E_OUTOFMEMORY);
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hr = photkey->QueryInterface(riid, ppvHotKey);
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if (!SUCCEEDED(hr))
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delete photkey;
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return(hr);
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}
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// --------------------------------------------------------------------------
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//
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// CHotKey32::CHotKey32()
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//
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// --------------------------------------------------------------------------
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CHotKey32::CHotKey32(HWND hwnd, long idChildCur)
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: CClient( CLASS_HotKeyClient )
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{
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Initialize(hwnd, idChildCur);
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m_fUseLabel = TRUE;
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}
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// --------------------------------------------------------------------------
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//
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// CHotKey32::get_accRole()
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//
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// --------------------------------------------------------------------------
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STDMETHODIMP CHotKey32::get_accRole(VARIANT varChild, VARIANT* pvarRole)
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{
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InitPvar(pvarRole);
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if (!ValidateChild(&varChild))
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return(E_INVALIDARG);
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pvarRole->vt = VT_I4;
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pvarRole->lVal = ROLE_SYSTEM_HOTKEYFIELD;
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return(S_OK);
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}
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// --------------------------------------------------------------------------
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//
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// CHotKey32::get_accValue()
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//
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// The value of the hotkey field control is the currently typed-in contents.
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//
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// --------------------------------------------------------------------------
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STDMETHODIMP CHotKey32::get_accValue(VARIANT varChild, BSTR* pszValue)
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{
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DWORD dwHotKey;
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long lScan;
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LPTSTR lpszMods;
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TCHAR szModifiers[32];
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TCHAR szKey[32];
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TCHAR szResult[64];
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InitPv(pszValue);
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if (!ValidateChild(&varChild))
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return(E_INVALIDARG);
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// Get the hotkey and turn into a string.
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dwHotKey = SendMessageINT(m_hwnd, HKM_GETHOTKEY, 0, 0);
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if (!dwHotKey)
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return(HrCreateString(STR_HOTKEY_NONE, pszValue));
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//
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// The HIBYTE of the LOWORD is the HOTKEYF_ flags.
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// The LOBYTE of the LOWORD is the VK_.
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//
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// Get the VK_ name.
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lScan = ((LONG)MapVirtualKey(LOBYTE(dwHotKey), 0) << 16);
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if (HIBYTE(dwHotKey) & HOTKEYF_EXT)
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lScan |= 0x01000000L;
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if (!GetKeyNameText(lScan, szKey, ARRAYSIZE(szKey)))
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return(S_FALSE);
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//
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// Make a string of the modifiers. Do it in the order the shell does.
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// Namely, Ctrl + Shift + Alt + key.
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//
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lpszMods = szModifiers;
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if (HIBYTE(LOWORD(dwHotKey)) & HOTKEYF_CONTROL)
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{
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LoadString(hinstResDll, STR_CONTROL, szResult, ARRAYSIZE(szResult));
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lstrcpy(lpszMods, szResult);
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lpszMods += lstrlen(lpszMods);
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*lpszMods = '+';
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lpszMods++;
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*lpszMods = 0;
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}
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if (HIBYTE(LOWORD(dwHotKey)) & HOTKEYF_SHIFT)
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{
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LoadString(hinstResDll, STR_SHIFT, szResult, ARRAYSIZE(szResult));
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lstrcpy(lpszMods, szResult);
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lpszMods += lstrlen(lpszMods);
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*lpszMods = '+';
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lpszMods++;
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*lpszMods = 0;
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}
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if (HIBYTE(LOWORD(dwHotKey)) & HOTKEYF_ALT)
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{
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LoadString(hinstResDll, STR_ALT, szResult, ARRAYSIZE(szResult));
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lstrcpy(lpszMods, szResult);
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lpszMods += lstrlen(lpszMods);
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*lpszMods = '+';
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lpszMods++;
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*lpszMods = 0;
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}
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if (lpszMods == szModifiers)
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lstrcpy(szResult, szKey);
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else
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{
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lstrcpy(szResult, szModifiers);
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lpszMods = szResult + lstrlen(szResult);
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lstrcpy(lpszMods, szKey);
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}
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*pszValue = TCharSysAllocString(szResult);
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if (! *pszValue)
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return(E_OUTOFMEMORY);
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return(S_OK);
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}
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