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506 lines
12 KiB
506 lines
12 KiB
#include "priv.h"
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#include "apithk.h"
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#include "mshtmhst.h"
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#include "basebar.h"
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#ifdef MAINWIN
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#include <mainwin.h>
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EXTERN_C MwPaintSpecialEOBorder( HWND hWnd, HDC hDC );
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#endif
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#define DBM_ONPOSRECTCHANGE (WM_USER)
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//*** CBaseBar::IDeskBar::* {
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//
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/*----------------------------------------------------------
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Purpose: IDeskBar::SetClient
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Usually the function that composes a bar/bandsite/band
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union is responsible for calling this method to inform
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the bar what the client (bandsite) is.
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*/
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HRESULT CBaseBar::SetClient(IUnknown *punkChild)
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{
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if (_punkChild != NULL)
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{
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// 4, 3, 2, 1 Release
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_hwndChild = NULL;
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if (_pDBC)
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{
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// This must happen first, before _pWEH becomes NULL so cleanup
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// notifications can still go thru
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_pDBC->SetDeskBarSite(NULL);
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}
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ATOMICRELEASE(_pDBC);
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ATOMICRELEASE(_pWEH);
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ATOMICRELEASE(_punkChild);
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}
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_punkChild = punkChild;
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HRESULT hr = S_OK;
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if (_punkChild != NULL)
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{
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// 1, 2, 3, 4 QI/AddRef/etc.
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_punkChild->AddRef();
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if (!_hwnd)
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{
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_RegisterDeskBarClass();
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_CreateDeskBarWindow();
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if (!_hwnd)
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{
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return E_OUTOFMEMORY;
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}
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// can't do CBaseBar::_Initialize yet (haven't done SetSite yet)
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}
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hr = _punkChild->QueryInterface(IID_PPV_ARG(IWinEventHandler, &_pWEH));
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if (SUCCEEDED(hr))
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{
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hr = _punkChild->QueryInterface(IID_PPV_ARG(IDeskBarClient, &_pDBC));
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if (SUCCEEDED(hr))
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{
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// nothing to cache yet due to lazy CreateWindow
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hr = _pDBC->SetDeskBarSite(SAFECAST(this, IDeskBar*));
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IUnknown_GetWindow(_punkChild, &_hwndChild);
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}
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}
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}
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return hr;
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}
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HRESULT CBaseBar::GetClient(IUnknown **ppunk)
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{
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*ppunk = _punkChild;
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if (_punkChild)
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_punkChild->AddRef();
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return _punkChild ? S_OK : E_FAIL;
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}
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HRESULT CBaseBar::OnPosRectChangeDB(LPRECT prc)
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{
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_szChild.cx = RECTWIDTH(*prc);
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_szChild.cy = RECTHEIGHT(*prc);
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// We can't change our size right away because we haven't returned from processing
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// this WM_SIZE message. If we resize right now, USER gets confused...
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//
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// We cannot use PeekMessage to determine if there is already a pending
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// DBM_ONPOSRECTCHANGE because that allows incoming SendMessage's to
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// arrive, and then we can get into a bad recursive situation when there
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// are a lot of SHChangeNotify's arriving in rapid succession.
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//
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if (!_fPosRectChangePending)
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{
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_fPosRectChangePending = TRUE;
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PostMessage(_hwnd, DBM_ONPOSRECTCHANGE, 0, 0);
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}
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return S_OK;
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}
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// Derived classes are expected to implement this method and do something
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// interesting...
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void CBaseBar::_OnPostedPosRectChange()
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{
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}
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// }
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HRESULT CBaseBar::ShowDW(BOOL fShow)
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{
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fShow = BOOLIFY(fShow);
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if (BOOLIFY(_fShow) == fShow)
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return S_OK;
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_fShow = fShow;
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if (_pDBC)
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return _pDBC->UIActivateDBC(fShow ? DBC_SHOW : DBC_HIDE);
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else
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return E_UNEXPECTED;
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}
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void CBaseBar::_OnCreate()
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{
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SendMessage(_hwnd, WM_CHANGEUISTATE, MAKEWPARAM(UIS_INITIALIZE, 0), 0);
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}
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LRESULT CBaseBar::_OnNotify(UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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LRESULT lres = 0;
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_CheckForwardWinEvent(uMsg, wParam, lParam, &lres);
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return lres;
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}
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/***
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*/
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LRESULT CBaseBar::v_WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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LRESULT lres = 0;
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switch (uMsg) {
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case WM_CREATE:
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_OnCreate();
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break;
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case WM_COMMAND:
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return _OnCommand(uMsg, wParam, lParam);
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case WM_SIZE:
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_OnSize();
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break;
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case WM_NOTIFY:
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return _OnNotify(uMsg, wParam, lParam);
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#if 0
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// we'd like to set focus to the 1st band when somebody clicks in
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// 'dead space' on the bar (i.e. make it look like they TABed in).
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// however for some reason the below code has the bad effect of
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// de-selecting text in (e.g.) the addr edit control (it's as if
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// the control thinks we've clicked there 2x rather than 1x).
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case WM_SETFOCUS:
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if (IUnknown_HasFocusIO(_pDBC) == S_FALSE)
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IUnknown_UIActivateIO(_pDBC, TRUE, NULL);
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break;
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#endif
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case WM_SYSCOLORCHANGE:
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case WM_WININICHANGE:
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case WM_CONTEXTMENU:
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case WM_INITMENUPOPUP:
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case WM_MEASUREITEM:
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case WM_DRAWITEM:
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case WM_MENUCHAR:
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case WM_PALETTECHANGED:
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_CheckForwardWinEvent(uMsg, wParam, lParam, &lres);
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break;
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case DBM_ONPOSRECTCHANGE:
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_fPosRectChangePending = FALSE;
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_OnPostedPosRectChange();
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break;
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#ifdef MAINWIN
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case WM_NCPAINTSPECIALFRAME:
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// In case of motif look the MwPaintBorder paints a Etched In
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// border if WM_NCPAINTSPECIALFRAME returns FALSE. We are handling
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// this message here and drawing the Etched Out frame explicitly.
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// wParam - HDC
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if (MwCurrentLook() == LOOK_MOTIF)
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{
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MwPaintSpecialEOBorder( hwnd, (HDC)wParam );
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return TRUE;
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}
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#endif
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default:
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return DefWindowProcWrap(hwnd, uMsg, wParam, lParam);
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}
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return lres;
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}
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/***
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*/
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CBaseBar::CBaseBar() : _cRef(1)
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{
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DllAddRef();
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}
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/***
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*/
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CBaseBar::~CBaseBar()
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{
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// see Release, where we call virtuals (which can't be called from dtor)
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DllRelease();
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}
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/***
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*/
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void CBaseBar::_RegisterDeskBarClass()
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{
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WNDCLASS wc = {0};
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wc.style = _GetClassStyle();
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wc.lpfnWndProc = s_WndProc;
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//wc.cbClsExtra = 0;
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wc.cbWndExtra = SIZEOF(CBaseBar*);
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wc.hInstance = HINST_THISDLL;
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wc.hCursor = LoadCursor(NULL, IDC_ARROW);
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wc.hbrBackground = (HBRUSH) (COLOR_3DFACE+1);
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//wc.lpszMenuName = NULL;
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wc.lpszClassName = TEXT("BaseBar");
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//wc.hIcon = NULL;
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SHRegisterClass(&wc);
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}
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DWORD CBaseBar::_GetExStyle()
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{
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return WS_EX_TOOLWINDOW;
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}
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DWORD CBaseBar::_GetClassStyle()
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{
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return CS_HREDRAW | CS_VREDRAW;
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}
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void CBaseBar::_CreateDeskBarWindow()
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{
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#ifndef UNIX
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// _hwnd is set in s_WndProc
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DWORD dwExStyle = _GetExStyle();
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dwExStyle |= IS_BIDI_LOCALIZED_SYSTEM() ? dwExStyleRTLMirrorWnd : 0L;
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HWND hwndDummy = CreateWindowEx(
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dwExStyle,
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TEXT("BaseBar"), NULL,
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_hwndSite ? WS_CHILD | WS_CLIPCHILDREN : WS_POPUP | WS_CLIPCHILDREN,
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0,0,100,100,
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_hwndSite, NULL, HINST_THISDLL,
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(LPVOID)SAFECAST(this, CImpWndProc*));
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#else
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// This change removes a flash at the corner of the
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// screen. We create a small 1,1 window.
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HWND hwndDummy = CreateWindowEx(
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_GetExStyle(),
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TEXT("BaseBar"), NULL,
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_hwndSite ? WS_CHILD | WS_CLIPCHILDREN : WS_POPUP | WS_CLIPCHILDREN,
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-100,-100,1,1,
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_hwndSite, NULL, HINST_THISDLL,
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(LPVOID)SAFECAST(this, CImpWndProc*));
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#endif
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}
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void CBaseBar::_OnSize(void)
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{
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RECT rc;
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if (!_hwndChild)
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return;
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GetClientRect(_hwnd, &rc);
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SetWindowPos(_hwndChild, 0,
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rc.left, rc.top, RECTWIDTH(rc), RECTHEIGHT(rc),
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SWP_NOACTIVATE|SWP_NOZORDER);
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}
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void CBaseBar::_NotifyModeChange(DWORD dwMode)
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{
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if (_pDBC) {
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_dwMode = dwMode;
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// FEATURE: should we add an STBBIF_VIEWMODE_FLOAT?
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_pDBC->SetModeDBC(_dwMode);
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}
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}
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BOOL CBaseBar::_CheckForwardWinEvent(UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT* plres)
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{
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HWND hwnd = NULL;
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*plres = 0;
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switch (uMsg)
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{
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case WM_CONTEXTMENU:
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case WM_INITMENUPOPUP:
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case WM_MEASUREITEM:
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case WM_DRAWITEM:
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case WM_MENUCHAR:
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hwnd = _hwndChild;
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break;
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case WM_NOTIFY:
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hwnd = ((LPNMHDR)lParam)->hwndFrom;
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break;
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case WM_COMMAND:
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hwnd = GET_WM_COMMAND_HWND(wParam, lParam);
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break;
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case WM_SYSCOLORCHANGE:
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case WM_WININICHANGE:
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case WM_PALETTECHANGED:
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hwnd = _hwndChild;
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break;
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}
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if (hwnd && _pWEH && _pWEH->IsWindowOwner(hwnd) == S_OK)
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{
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_pWEH->OnWinEvent(_hwnd, uMsg, wParam, lParam, plres);
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return TRUE;
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}
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return FALSE;
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}
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/***
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*/
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LRESULT CBaseBar::_OnCommand(UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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LRESULT lres = 0;
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_CheckForwardWinEvent(uMsg, wParam, lParam, &lres);
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return lres;
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}
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HRESULT CBaseBar::CloseDW(DWORD dwReserved)
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{
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SetClient(NULL);
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if (_hwnd) {
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DestroyWindow(_hwnd);
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_hwnd = NULL;
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}
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return S_OK;
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}
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HRESULT CBaseBar::QueryInterface(REFIID riid, LPVOID * ppvObj)
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{
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static const QITAB qit[] = {
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QITABENT(CBaseBar, IOleWindow),
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QITABENT(CBaseBar, IDeskBar),
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QITABENT(CBaseBar, IInputObject),
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QITABENT(CBaseBar, IInputObjectSite),
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QITABENT(CBaseBar, IServiceProvider),
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QITABENT(CBaseBar, IOleCommandTarget),
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{ 0 },
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};
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return QISearch(this, (LPCQITAB)qit, riid, ppvObj);
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}
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ULONG CBaseBar::AddRef()
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{
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_cRef++;
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return _cRef;
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}
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ULONG CBaseBar::Release()
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{
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ASSERT(_cRef > 0);
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_cRef--;
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if (_cRef > 0)
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return _cRef;
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// 'virtual dtor'
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// gotta do virtual stuff here (not in dtor) because can't call
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// any virtuals in the dtor
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// CBaseBar::Destroy() {
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CloseDW(0);
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// }
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delete this;
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return 0;
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}
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//*** CBaseBar::IOleWindow::* {
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//
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HRESULT CBaseBar::GetWindow(HWND * lphwnd)
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{
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*lphwnd = _hwnd;
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return (_hwnd) ? S_OK : E_FAIL;
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}
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HRESULT CBaseBar::ContextSensitiveHelp(BOOL fEnterMode)
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{
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// FEATURE: Visit here later.
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return E_NOTIMPL;
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}
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// }
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// }
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// some helpers... {
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// What's the point of having
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// these empty implementations in the base class?
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//
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//*** CBaseBar::IServiceProvider::*
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//
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HRESULT CBaseBar::QueryService(REFGUID guidService,
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REFIID riid, void **ppvObj)
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{
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HRESULT hres = E_FAIL;
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*ppvObj = NULL;
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return hres;
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}
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//*** CBaseBar::IOleCommandTarget::*
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//
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HRESULT CBaseBar::QueryStatus(const GUID *pguidCmdGroup,
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ULONG cCmds, OLECMD rgCmds[], OLECMDTEXT *pcmdtext)
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{
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return MayQSForward(_pDBC, OCTD_DOWN, pguidCmdGroup, cCmds, rgCmds, pcmdtext);
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}
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HRESULT CBaseBar::Exec(const GUID *pguidCmdGroup,
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DWORD nCmdID, DWORD nCmdexecopt,
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VARIANTARG *pvarargIn, VARIANTARG *pvarargOut)
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{
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return MayExecForward(_pDBC, OCTD_DOWN, pguidCmdGroup, nCmdID, nCmdexecopt,
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pvarargIn, pvarargOut);
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}
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// }
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//*** CDeskBar::IInputObject::* {
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HRESULT CBaseBar::HasFocusIO()
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{
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HRESULT hres;
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hres = IUnknown_HasFocusIO(_pDBC);
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return hres;
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}
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HRESULT CBaseBar::TranslateAcceleratorIO(LPMSG lpMsg)
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{
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HRESULT hres;
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hres = IUnknown_TranslateAcceleratorIO(_pDBC, lpMsg);
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return hres;
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}
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HRESULT CBaseBar::UIActivateIO(BOOL fActivate, LPMSG lpMsg)
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{
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HRESULT hres;
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hres = IUnknown_UIActivateIO(_pDBC, fActivate, lpMsg);
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return hres;
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}
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// }
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//*** CDeskBar::IInputObjectSite::* {
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HRESULT CBaseBar::OnFocusChangeIS(IUnknown *punk, BOOL fSetFocus)
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{
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return NOERROR;
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}
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// }
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