644 lines
21 KiB
C++
644 lines
21 KiB
C++
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1999
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//
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// File: eventprompt.cpp
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//
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//--------------------------------------------------------------------------
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#include <precomp.h>
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#pragma hdrstop
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#include "eventprompt.h"
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#include "resource.h"
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#include "wiacsh.h"
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#include "psutil.h"
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//
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#define COL_NAME 0
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#define COL_DESCRIPTION 1
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const UINT c_auTileColumns[] = {COL_NAME, COL_DESCRIPTION};
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const UINT c_auTileSubItems[] = {COL_DESCRIPTION};
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static const DWORD HelpIds [] =
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{
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IDC_EVENTNAME, IDH_WIA_EVENT_OCCURRED,
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IDC_HANDLERLIST, IDH_WIA_PROGRAM_LIST,
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IDC_NOPROMPT, IDH_WIA_ALWAYS_USE,
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IDOK, IDH_OK,
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IDCANCEL, IDH_CANCEL,
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0,0
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};
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INT_PTR CALLBACK
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CEventPromptDlg::DlgProc (HWND hwnd, UINT msg, WPARAM wp, LPARAM lp)
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{
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CEventPromptDlg *pThis;
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pThis = reinterpret_cast<CEventPromptDlg*>(GetWindowLongPtr(hwnd,DWLP_USER));
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switch (msg)
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{
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case WM_INITDIALOG:
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SetWindowLongPtr (hwnd, DWLP_USER, lp);
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pThis = reinterpret_cast<CEventPromptDlg*>(lp);
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pThis->m_hwnd = hwnd;
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pThis->OnInit ();
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//
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// Initially disable the OK button, unless there is something selected
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//
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EnableWindow(GetDlgItem(hwnd,IDOK),(0!=ListView_GetSelectedCount(GetDlgItem(hwnd,IDC_HANDLERLIST))));
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return TRUE;
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case WM_COMMAND:
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if (pThis)
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{
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return pThis->OnCommand(HIWORD(wp), LOWORD(wp));
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}
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break;
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case WM_DESTROY:
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{
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//
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// Delete the listview's image list
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//
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HIMAGELIST hImageList = ListView_SetImageList(GetDlgItem(hwnd,IDC_HANDLERLIST), NULL, LVSIL_NORMAL);
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if (hImageList)
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{
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ImageList_Destroy(hImageList);
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}
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if (pThis)
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{
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pThis->m_PromptData->Close();
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}
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SetWindowLongPtr(hwnd, DWLP_USER, NULL);
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}
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return TRUE;
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case WM_HELP:
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WiaHelp::HandleWmHelp( wp, lp, HelpIds );
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return TRUE;
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case WM_CONTEXTMENU:
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WiaHelp::HandleWmContextMenu( wp, lp, HelpIds );
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return TRUE;
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case WM_NOTIFY:
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{
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//
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// Get the notification struct
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//
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NMHDR *pNmHdr = reinterpret_cast<NMHDR*>(lp);
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if (pNmHdr)
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{
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//
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// Is this the handler listview?
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//
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if (IDC_HANDLERLIST == pNmHdr->idFrom)
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{
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//
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// Get the listview notification stuff
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//
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NMLISTVIEW *pNmListView = reinterpret_cast<NMLISTVIEW*>(lp);
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//
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// If this is an item changed notification message
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//
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if (LVN_ITEMCHANGED == pNmHdr->code)
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{
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//
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// If the state changed
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//
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if (pNmListView->uChanged & LVIF_STATE)
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{
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//
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// Enable the OK button iff there is a selected item
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//
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EnableWindow(GetDlgItem(hwnd,IDOK),(0!=ListView_GetSelectedCount(GetDlgItem(hwnd,IDC_HANDLERLIST))));
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return TRUE;
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}
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}
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//
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// Double click?
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//
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else if (NM_DBLCLK == pNmHdr->code)
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{
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//
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// Check to make sure something is selected
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//
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if (ListView_GetSelectedCount(GetDlgItem(hwnd,IDC_HANDLERLIST)))
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{
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//
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// Simulate an OK message
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//
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SendMessage( hwnd, WM_COMMAND, MAKEWPARAM(IDOK,BN_CLICKED), 0 );
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return TRUE;
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}
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}
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//
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// Deleting an item
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//
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else if (LVN_DELETEITEM == pNmHdr->code)
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{
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//
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// Get the event data
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//
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WIA_EVENT_HANDLER *peh = reinterpret_cast<WIA_EVENT_HANDLER*>(pNmListView->lParam);
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if (peh)
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{
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//
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// Free the bstrings
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//
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if (peh->bstrDescription)
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{
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SysFreeString (peh->bstrDescription);
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}
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if (peh->bstrIcon)
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{
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SysFreeString (peh->bstrIcon);
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}
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if (peh->bstrName)
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{
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SysFreeString (peh->bstrName);
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}
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//
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// Free the structure
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//
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delete peh;
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}
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return TRUE;
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}
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}
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}
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}
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break;
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default:
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break;
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}
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return FALSE;
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}
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void
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CEventPromptDlg::OnInit ()
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{
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WIA_PUSHFUNCTION(TEXT("CEventPromptDlg::OnInit"));
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// update the shared memory section indicating we exist
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// use a unique name for the shared memory
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LPWSTR wszGuid;
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StringFromCLSID (m_pEventParameters->EventGUID, &wszGuid);
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CSimpleStringWide strSection(wszGuid);
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strSection.Concat (m_pEventParameters->strDeviceID);
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CoTaskMemFree (wszGuid);
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m_PromptData = new CSharedMemorySection<HWND>(CSimpleStringConvert::NaturalString(strSection), true);
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if (m_PromptData)
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{
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HWND *pData = m_PromptData->Lock();
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if (pData)
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{
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*pData = m_hwnd;
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m_PromptData->Release();
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}
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}
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// fill in the list of handlers
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m_pList = new CHandlerList (GetDlgItem(m_hwnd, IDC_HANDLERLIST));
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if (m_pList)
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{
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m_pList->FillList (m_pEventParameters->strDeviceID,
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m_pEventParameters->EventGUID);
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}
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// Set the dialog's caption to be the name of the device
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SetWindowText (m_hwnd, CSimpleStringConvert::NaturalString(m_pEventParameters->strDeviceDescription));
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// Set the event description text
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SetDlgItemText (m_hwnd, IDC_EVENTNAME, CSimpleStringConvert::NaturalString(m_pEventParameters->strEventDescription));
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//
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// Disable the "always make this the handler" checkbox for low privilege users
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SC_HANDLE hSCM = ::OpenSCManager(NULL,NULL,SC_MANAGER_ALL_ACCESS);
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if (!hSCM)
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{
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EnableWindow(GetDlgItem(m_hwnd, IDC_NOPROMPT), FALSE);
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}
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else
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{
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CloseServiceHandle(hSCM);
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}
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}
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INT_PTR
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CEventPromptDlg::OnCommand (WORD wCode, WORD widItem)
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{
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INT_PTR iRet = TRUE;
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// we only care about IDOK or IDCANCEL
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switch (widItem)
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{
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case IDOK:
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iRet = OnOK ();
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if (!iRet)
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{
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break;;
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}
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// fall through
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case IDCANCEL:
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EndDialog (m_hwnd, 1);
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break;
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}
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return iRet;
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}
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// When the user presses OK, invoke the selected application and make it
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// the default if requested
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INT_PTR
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CEventPromptDlg::OnOK ()
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{
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WIA_PUSHFUNCTION(TEXT("CEventPromptDlg::OnOK"));
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WIA_EVENT_HANDLER *pSelHandler = NULL;
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if (m_pList)
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{
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pSelHandler = m_pList->GetSelectedHandler ();
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}
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if (pSelHandler)
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{
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if (IsDlgButtonChecked (m_hwnd, IDC_NOPROMPT))
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{
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// Set this handler as the default
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SetDefaultHandler (pSelHandler);
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}
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if (!InvokeHandler(pSelHandler))
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{
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WIA_ERROR((TEXT("InvokeHandler failed")));
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return FALSE;
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}
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}
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return TRUE;
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}
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void
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CEventPromptDlg::SetDefaultHandler (WIA_EVENT_HANDLER *pHandler)
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{
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WIA_PUSHFUNCTION(TEXT("CEventPromptDlg::SetDefaultHandler"));
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CComPtr<IWiaDevMgr> pDevMgr;
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if (SUCCEEDED(CoCreateInstance (CLSID_WiaDevMgr,
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NULL,
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CLSCTX_LOCAL_SERVER,
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IID_IWiaDevMgr,
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reinterpret_cast<LPVOID*>(&pDevMgr))))
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{
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pDevMgr->RegisterEventCallbackCLSID (WIA_SET_DEFAULT_HANDLER,
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CComBSTR(m_pEventParameters->strDeviceID),
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&m_pEventParameters->EventGUID,
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&pHandler->guid,
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pHandler->bstrName,
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pHandler->bstrDescription,
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pHandler->bstrIcon);
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}
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}
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bool
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CEventPromptDlg::InvokeHandler(WIA_EVENT_HANDLER *pHandler)
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{
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WIA_PUSHFUNCTION(TEXT("CEventPromptDlg::InvokeHandler"));
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CComPtr<IWiaEventCallback> pCallback;
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if (pHandler->bstrCommandline) {
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PROCESS_INFORMATION pi;
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STARTUPINFO si;
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TCHAR szCommand[MAX_PATH*2];
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ZeroMemory (&si, sizeof(si));
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ZeroMemory (&pi, sizeof(pi));
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si.cb = sizeof(si);
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si.wShowWindow = SW_SHOW;
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#ifdef UNICODE
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wcscpy (szCommand, pHandler->bstrCommandline);
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#else
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WideCharToMultiByte (CP_ACP, 0,
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pHandler->bstrCommandline, -1,
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szCommand, ARRAYSIZE(szCommand),
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NULL, NULL);
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#endif
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// Trace(TEXT("Command line for STI app is %s"), szCommand);
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if (CreateProcess (NULL,
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szCommand,
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NULL,
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NULL,
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FALSE,
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0,
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NULL,
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NULL,
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&si,
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&pi))
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{
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CloseHandle (pi.hProcess);
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CloseHandle (pi.hThread);
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return true;
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}
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else
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{
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WIA_PRINTHRESULT((HRESULT_FROM_WIN32(GetLastError()),TEXT("Execution of pHandler->bstrCommandline [%ws] FAILED"),pHandler->bstrCommandline));
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}
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}
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else
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{
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HRESULT hr = CoCreateInstance(pHandler->guid,
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NULL,
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CLSCTX_LOCAL_SERVER,
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IID_IWiaEventCallback,
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reinterpret_cast<LPVOID*>(&pCallback));
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if (SUCCEEDED(hr))
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{
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hr = pCallback->ImageEventCallback (&m_pEventParameters->EventGUID,
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CComBSTR(m_pEventParameters->strEventDescription),
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CComBSTR(m_pEventParameters->strDeviceID),
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CComBSTR(m_pEventParameters->strDeviceDescription),
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m_pEventParameters->dwDeviceType,
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CComBSTR(m_pEventParameters->strFullItemName),
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&m_pEventParameters->ulEventType,
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m_pEventParameters->ulReserved);
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}
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if (FAILED(hr))
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{
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// inform the user something went wrong
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UIErrors::ReportMessage(m_hwnd,g_hInstance,
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NULL,
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MAKEINTRESOURCE(IDS_HANDLERERR_CAPTION),
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MAKEINTRESOURCE(IDS_HANDLERERR),
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MB_OK);
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}
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else
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{
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return true;
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}
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}
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return false;
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}
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// Parse the bstrIconPath to get the image name and resource id
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|
// Note that -1 is not a valid id for ExtractIconEx
|
||
|
|
int
|
||
|
|
AddIconToImageList (HIMAGELIST himl, BSTR strIconPath)
|
||
|
|
{
|
||
|
|
int iRet = 0;
|
||
|
|
|
||
|
|
|
||
|
|
TCHAR szPath[MAX_PATH];
|
||
|
|
LONG nIcon;
|
||
|
|
INT nComma=0;
|
||
|
|
HICON hIcon = NULL;
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
if (!strIconPath)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
while (strIconPath[nComma] && strIconPath[nComma] != L',')
|
||
|
|
{
|
||
|
|
nComma++;
|
||
|
|
}
|
||
|
|
if (strIconPath[nComma])
|
||
|
|
{
|
||
|
|
ZeroMemory (szPath, sizeof(szPath));
|
||
|
|
nIcon = wcstol (strIconPath+nComma+1, NULL, 10);
|
||
|
|
#ifdef UNICODE
|
||
|
|
wcsncpy (szPath, strIconPath, nComma);
|
||
|
|
*(szPath+nComma)=L'\0';
|
||
|
|
#else
|
||
|
|
WideCharToMultiByte (CP_ACP,
|
||
|
|
0,
|
||
|
|
strIconPath, nComma,
|
||
|
|
szPath, MAX_PATH,
|
||
|
|
NULL,NULL);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
ExtractIconEx (szPath, nIcon, &hIcon, NULL, 1);
|
||
|
|
|
||
|
|
|
||
|
|
if (hIcon)
|
||
|
|
{
|
||
|
|
iRet = ImageList_AddIcon (himl, hIcon);
|
||
|
|
DestroyIcon (hIcon);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return iRet;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int CALLBACK HandlerListCompareFunction( LPARAM lParam1, LPARAM lParam2, LPARAM )
|
||
|
|
{
|
||
|
|
int nResult = 0;
|
||
|
|
LVITEM *pItem1 = reinterpret_cast<LVITEM*>(lParam1);
|
||
|
|
LVITEM *pItem2 = reinterpret_cast<LVITEM*>(lParam2);
|
||
|
|
if (pItem1 && pItem2 && pItem1->pszText && pItem2->pszText)
|
||
|
|
{
|
||
|
|
int nCompareResult = CompareString( LOCALE_USER_DEFAULT, NORM_IGNORECASE, pItem1->pszText, -1, pItem2->pszText, -1 );
|
||
|
|
switch (nCompareResult)
|
||
|
|
{
|
||
|
|
case CSTR_LESS_THAN:
|
||
|
|
nResult = -1;
|
||
|
|
break;
|
||
|
|
case CSTR_GREATER_THAN:
|
||
|
|
nResult = 1;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return nResult;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Enumerate the installed handlers for the event and add them to the listview
|
||
|
|
// return the number of handlers we added
|
||
|
|
UINT
|
||
|
|
CHandlerList::FillList (const CSimpleStringWide &strDeviceId, GUID &guidEvent)
|
||
|
|
{
|
||
|
|
WIA_PUSHFUNCTION(TEXT("CHandlerList::FillList"));
|
||
|
|
CComPtr<IWiaDevMgr> pDevMgr;
|
||
|
|
CComPtr<IWiaItem> pItem;
|
||
|
|
UINT uRet = 0;
|
||
|
|
//
|
||
|
|
// Remove all existing items
|
||
|
|
//
|
||
|
|
ListView_DeleteAllItems(m_hwnd);
|
||
|
|
if (SUCCEEDED(CoCreateInstance( CLSID_WiaDevMgr,
|
||
|
|
NULL,
|
||
|
|
CLSCTX_LOCAL_SERVER,
|
||
|
|
IID_IWiaDevMgr,
|
||
|
|
reinterpret_cast<LPVOID*>(&pDevMgr))))
|
||
|
|
{
|
||
|
|
if (SUCCEEDED(pDevMgr->CreateDevice(CComBSTR(strDeviceId.String()),
|
||
|
|
&pItem)))
|
||
|
|
{
|
||
|
|
RECT rc = {0};
|
||
|
|
LVTILEVIEWINFO lvtvi = {0};
|
||
|
|
// set up the listview style
|
||
|
|
ListView_SetView(m_hwnd, LV_VIEW_TILE);
|
||
|
|
for (int i = 0; i < ARRAYSIZE(c_auTileColumns); ++i)
|
||
|
|
{
|
||
|
|
LVCOLUMN lvcolumn = {0};
|
||
|
|
|
||
|
|
lvcolumn.mask = LVCF_SUBITEM;
|
||
|
|
lvcolumn.iSubItem = c_auTileColumns[i];
|
||
|
|
ListView_InsertColumn(m_hwnd, i, &lvcolumn);
|
||
|
|
}
|
||
|
|
|
||
|
|
GetClientRect(m_hwnd, &rc);
|
||
|
|
|
||
|
|
lvtvi.cbSize = sizeof(lvtvi);
|
||
|
|
lvtvi.dwMask = LVTVIM_TILESIZE | LVTVIM_COLUMNS;
|
||
|
|
lvtvi.dwFlags = LVTVIF_FIXEDWIDTH;
|
||
|
|
|
||
|
|
// Leave room for the scroll bar when setting tile sizes or listview gets screwed up.
|
||
|
|
lvtvi.sizeTile.cx = ((rc.right - rc.left) - GetSystemMetrics(SM_CXVSCROLL));
|
||
|
|
lvtvi.cLines = ARRAYSIZE(c_auTileSubItems);
|
||
|
|
ListView_SetTileViewInfo(m_hwnd, &lvtvi);
|
||
|
|
|
||
|
|
CComPtr<IEnumWIA_DEV_CAPS> pEnum;
|
||
|
|
if (SUCCEEDED(pItem->EnumRegisterEventInfo(0,
|
||
|
|
&guidEvent,
|
||
|
|
&pEnum)) )
|
||
|
|
{
|
||
|
|
|
||
|
|
WIA_EVENT_HANDLER *pHandler;
|
||
|
|
ULONG ul;
|
||
|
|
LVITEM lvi = {0};
|
||
|
|
HICON hicon;
|
||
|
|
HRESULT hr = NOERROR;
|
||
|
|
CSimpleString strText;
|
||
|
|
// Create a new imagelist
|
||
|
|
HIMAGELIST hImageList = ImageList_Create (GetSystemMetrics(SM_CXICON),
|
||
|
|
GetSystemMetrics(SM_CYICON),
|
||
|
|
PrintScanUtil::CalculateImageListColorDepth() | ILC_MASK,
|
||
|
|
2,
|
||
|
|
2);
|
||
|
|
// Add the "default" icon
|
||
|
|
hicon =reinterpret_cast<HICON>(LoadImage (g_hInstance,
|
||
|
|
MAKEINTRESOURCE(IDI_SCANCAM),
|
||
|
|
IMAGE_ICON,
|
||
|
|
GetSystemMetrics(SM_CXICON),
|
||
|
|
GetSystemMetrics(SM_CYICON),
|
||
|
|
LR_SHARED | LR_DEFAULTCOLOR));
|
||
|
|
ImageList_AddIcon (hImageList, hicon);
|
||
|
|
SendMessage (m_hwnd, LVM_SETIMAGELIST, LVSIL_NORMAL,
|
||
|
|
reinterpret_cast<LPARAM>(hImageList));
|
||
|
|
// enum the items and add them to the listview
|
||
|
|
|
||
|
|
lvi.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_PARAM;
|
||
|
|
|
||
|
|
while (S_OK == hr)
|
||
|
|
{
|
||
|
|
pHandler = new WIA_EVENT_HANDLER;
|
||
|
|
if (!pHandler)
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
hr = pEnum->Next (1, pHandler, &ul);
|
||
|
|
|
||
|
|
if (IsEqualCLSID(pHandler->guid, CLSID_EventPrompter) ||
|
||
|
|
IsEqualCLSID(pHandler->guid, WIA_EVENT_HANDLER_NO_ACTION) ||
|
||
|
|
IsEqualCLSID(pHandler->guid, WIA_EVENT_HANDLER_PROMPT) ||
|
||
|
|
!lstrcmpiW(pHandler->bstrName, L"Internal"))
|
||
|
|
{
|
||
|
|
delete pHandler;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (S_OK == hr)
|
||
|
|
{
|
||
|
|
// get the string
|
||
|
|
strText = CSimpleStringConvert::NaturalString (CSimpleStringWide(pHandler->bstrName));
|
||
|
|
lvi.pszText = const_cast<LPTSTR>(strText.String());
|
||
|
|
lvi.lParam = reinterpret_cast<LPARAM>(pHandler);
|
||
|
|
// get the icon
|
||
|
|
lvi.iImage = AddIconToImageList (hImageList, pHandler->bstrIcon);
|
||
|
|
// get the index
|
||
|
|
lvi.iItem = ListView_GetItemCount(m_hwnd);
|
||
|
|
// add the item
|
||
|
|
int nIndex = ListView_InsertItem(m_hwnd, &lvi);
|
||
|
|
if (-1 != nIndex)
|
||
|
|
{
|
||
|
|
// add the description subitem
|
||
|
|
strText = CSimpleStringConvert::NaturalString (CSimpleStringWide(pHandler->bstrDescription));
|
||
|
|
LVTILEINFO lvti = {0};
|
||
|
|
lvti.cbSize = sizeof(LVTILEINFO);
|
||
|
|
lvti.iItem = nIndex;
|
||
|
|
lvti.cColumns = 1;
|
||
|
|
lvti.puColumns = (UINT*)c_auTileSubItems;
|
||
|
|
ListView_SetTileInfo(m_hwnd, &lvti);
|
||
|
|
ListView_SetItemText(m_hwnd, nIndex, 1, (LPTSTR)strText.String());
|
||
|
|
uRet++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (pHandler)
|
||
|
|
{
|
||
|
|
delete pHandler;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Sort the list
|
||
|
|
ListView_SortItems( m_hwnd, HandlerListCompareFunction, 0 );
|
||
|
|
|
||
|
|
// set the default to the first item
|
||
|
|
lvi.iItem = 0;
|
||
|
|
lvi.mask = LVIF_STATE;
|
||
|
|
lvi.stateMask = LVIS_FOCUSED|LVIS_SELECTED;
|
||
|
|
lvi.state = LVIS_FOCUSED|LVIS_SELECTED;
|
||
|
|
ListView_SetItem(m_hwnd, &lvi);
|
||
|
|
ListView_EnsureVisible(m_hwnd, lvi.iItem, FALSE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return uRet;
|
||
|
|
}
|
||
|
|
|
||
|
|
WIA_EVENT_HANDLER *
|
||
|
|
CHandlerList::GetSelectedHandler ()
|
||
|
|
{
|
||
|
|
WIA_PUSHFUNCTION(TEXT("CHandlerList::GetSelectedHandler"));
|
||
|
|
WIA_EVENT_HANDLER *pRet = NULL;
|
||
|
|
|
||
|
|
int nIndex = ListView_GetNextItem( m_hwnd, -1, LVNI_SELECTED );
|
||
|
|
if (-1 != nIndex)
|
||
|
|
{
|
||
|
|
LVITEM lvi = {0};
|
||
|
|
lvi.mask = LVIF_PARAM;
|
||
|
|
lvi.iItem = nIndex;
|
||
|
|
if (ListView_GetItem(m_hwnd, &lvi))
|
||
|
|
{
|
||
|
|
pRet = reinterpret_cast<WIA_EVENT_HANDLER*>(lvi.lParam);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return pRet;
|
||
|
|
}
|
||
|
|
|