Source code of Windows XP (NT5)
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// ProgView.cpp : Implementation of CProgView
#include "stdafx.h"
#include <commctrl.h>
#include "CompatUI.h"
#include "ProgView.h"
/////////////////////////////////////////////////////////////////////////////
// CProgView
HRESULT
CProgView::InPlaceActivate(
LONG iVerb,
const RECT* prcPosRect
)
{
HRESULT hr = CComCompositeControl<CProgView>::InPlaceActivate(iVerb, prcPosRect);
/*
//
// this code below might be useful in order to deal with accelerators
// but ie host does not appear to be paying any attention
//
CComPtr<IOleControlSite> spCtlSite;
HRESULT hRet = InternalGetSite(IID_IOleControlSite, (void**)&spCtlSite);
if (SUCCEEDED(hRet)) {
spCtlSite->OnControlInfoChanged();
}
*/
return hr;
}
LRESULT
CProgView::OnNotifyListView(
int idCtrl,
LPNMHDR pnmh,
BOOL& bHandled
)
{
if (idCtrl != IDC_LISTPROGRAMS) {
bHandled = FALSE;
return 0;
}
// see that we get the notification to fill-in the details
return NotifyProgramList(m_pProgramList, pnmh, bHandled);
}
LRESULT
CProgView::OnDblclkListprograms(
int idCtrl,
LPNMHDR pnmh,
BOOL& bHandled)
{
LPNMITEMACTIVATE lpnmh;
if (idCtrl != IDC_LISTPROGRAMS) {
bHandled = FALSE;
return 0;
}
// we have a double-click !
lpnmh = (LPNMITEMACTIVATE)pnmh;
Fire_DblClk((LONG)lpnmh->uKeyFlags);
bHandled = TRUE;
return 0;
}
STDMETHODIMP CProgView::GetSelectedItem()
{
GetProgramListSelection(m_pProgramList);
return S_OK;
}
STDMETHODIMP CProgView::get_SelectionName(VARIANT*pVal)
{
GetProgramListSelectionDetails(m_pProgramList, 0, pVal);
return S_OK;
}
STDMETHODIMP CProgView::GetSelectionInformation(LONG lInformationClass, VARIANT *pVal)
{
GetProgramListSelectionDetails(m_pProgramList, lInformationClass, pVal);
return S_OK;
}
VOID
CProgView::ShowProgressWindows(BOOL bProgress)
{
HDWP hDefer = ::BeginDeferWindowPos(4);
DWORD dwProgressFlag = bProgress ? SWP_SHOWWINDOW : SWP_HIDEWINDOW;
DWORD dwListFlag = bProgress ? SWP_HIDEWINDOW : SWP_SHOWWINDOW;
hDefer = ::DeferWindowPos(hDefer, GetDlgItem(IDC_ANIMATEFIND), NULL,
0, 0, 0, 0,
SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|dwProgressFlag);
hDefer = ::DeferWindowPos(hDefer, GetDlgItem(IDC_STATUSLINE1), NULL,
0, 0, 0, 0,
SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|dwProgressFlag);
hDefer = ::DeferWindowPos(hDefer, GetDlgItem(IDC_STATUSLINE2), NULL,
0, 0, 0, 0,
SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|dwProgressFlag);
hDefer = ::DeferWindowPos(hDefer, GetDlgItem(IDC_LISTPROGRAMS), NULL,
0, 0, 0, 0,
SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|dwListFlag);
EndDeferWindowPos(hDefer);
}
STDMETHODIMP CProgView::PopulateList()
{
HANDLE hThread;
ResetEvent(m_hEventCancel);
ResetEvent(m_hEventCmd);
if (!m_bInPlaceActive) {
InPlaceActivate(OLEIVERB_INPLACEACTIVATE);
}
if (m_hThreadPopulate == NULL) {
m_hThreadPopulate = CreateThread(NULL, 0, _PopulateThreadProc, (LPVOID)this, 0, NULL);
}
if (m_hThreadPopulate != NULL && !IsScanInProgress()) {
m_nCmdPopulate = CMD_SCAN;
SetEvent(m_hEventCmd);
}
return S_OK;
}
BOOL CProgView::PopulateListInternal()
{
if (InterlockedCompareExchange(&m_PopulateInProgress, TRUE, FALSE) == TRUE) {
//
// populate in progress -- quit
//
return FALSE;
}
if (m_pProgramList != NULL) {
CleanupProgramList(m_pProgramList);
m_pProgramList = NULL;
}
ShowProgressWindows(TRUE);
Animate_OpenEx(GetDlgItem(IDC_ANIMATEFIND), _Module.GetModuleInstance(), MAKEINTRESOURCE(IDA_FINDANIM));
Animate_Play(GetDlgItem(IDC_ANIMATEFIND), 0, -1, -1);
PostMessage(WM_VIEW_CHANGED);
// FireViewChange();
// if (m_bInPlaceActive) {
/* HCURSOR hcWait = (HCURSOR)::LoadImage(NULL,
MAKEINTRESOURCE(IDC_WAIT),
IMAGE_CURSOR,
0, 0,
LR_DEFAULTSIZE|LR_SHARED);
// HCURSOR hcWait = ::LoadCursor(_Module.GetResourceInstance(),
// MAKEINTRESOURCE(IDC_WAIT));
HCURSOR hcSave = SetCursor(hcWait);
*/
//
// malloc used on this thread should NOT be used on UI thread
//
InitializeProgramList(&m_pProgramList, GetDlgItem(IDC_LISTPROGRAMS));
PopulateProgramList(m_pProgramList, this, m_hEventCancel);
// SetCursor(hcSave);
Animate_Stop(GetDlgItem(IDC_ANIMATEFIND));
Animate_Close(GetDlgItem(IDC_ANIMATEFIND));
ShowProgressWindows();
InterlockedCompareExchange(&m_PopulateInProgress, FALSE, TRUE);
PostMessage(WM_VIEW_CHANGED);
PostMessage(WM_LIST_POPULATED); // we are done, signal to the main thread
// FireViewChange();
// } else {
// m_bPendingPopulate = TRUE;
// }
return TRUE;
}
DWORD WINAPI
CProgView::_PopulateThreadProc(
LPVOID lpvParam
)
{
CProgView* pProgView = (CProgView*)lpvParam;
DWORD dwWait;
BOOL bExit = FALSE;
HRESULT hr = CoInitialize(NULL);
if (!SUCCEEDED(hr)) {
return FALSE;
}
//
// keep this thread alive, block it on a command event
//
while(!bExit) {
dwWait = WaitForSingleObject(pProgView->m_hEventCmd, INFINITE);
if (dwWait != WAIT_OBJECT_0) {
break; // get out, we are being killed
}
//
// get the command
//
switch(pProgView->m_nCmdPopulate) {
case CMD_NONE:
break;
case CMD_EXIT:
bExit = TRUE;
//
// intentional fall-through
//
case CMD_CLEANUP:
if (pProgView->m_pProgramList) {
CleanupProgramList(pProgView->m_pProgramList);
pProgView->m_pProgramList = NULL;
}
break;
case CMD_SCAN:
pProgView->PopulateListInternal();
break;
}
pProgView->m_nCmdPopulate = CMD_NONE;
}
CoUninitialize();
return TRUE;
}
STDMETHODIMP
CProgView::UpdateListItem(
BSTR pTarget,
VARIANT *pKeys,
BOOL *pResult
)
{
VARIANT vKeys;
VariantInit(&vKeys);
CComBSTR bstrKeys;
HRESULT hr;
if (!m_pProgramList) {
return S_OK;
}
if (pKeys->vt == VT_NULL || pKeys->vt == VT_EMPTY) {
*pResult = UpdateProgramListItem(m_pProgramList, pTarget, NULL);
return S_OK;
}
hr = VariantChangeType(&vKeys, pKeys, 0, VT_BSTR);
if (SUCCEEDED(hr)) {
bstrKeys = vKeys.bstrVal;
if (bstrKeys.Length()) {
*pResult = UpdateProgramListItem(m_pProgramList, pTarget, bstrKeys);
} else {
*pResult = FALSE;
}
}
VariantClear(&vKeys);
return S_OK;
}
BOOL
CProgView::PreTranslateAccelerator(
LPMSG pMsg,
HRESULT& hRet
)
{
HWND hWndCtl;
HWND hwndList = GetDlgItem(IDC_LISTPROGRAMS);
hRet = S_OK;
hWndCtl = ::GetFocus();
if (IsChild(hWndCtl) && ::GetParent(hWndCtl) != m_hWnd) {
do {
hWndCtl = ::GetParent(hWndCtl);
} while (::GetParent(hWndCtl) != m_hWnd);
}
if (hWndCtl == hwndList &&
pMsg->message == WM_KEYDOWN &&
(LOWORD(pMsg->wParam) == VK_RETURN ||
LOWORD(pMsg->wParam) == VK_EXECUTE)) {
if (ListView_GetNextItem(hwndList, -1, LVNI_SELECTED) >= 0) {
Fire_DblClk(0);
return TRUE;
}
}
//
// check for external accelerators because the next call is going to eat the message
//
if (m_ExternAccel.IsAccelKey(pMsg)) { // we do not touch external accel messages
return FALSE;
}
return CComCompositeControl<CProgView>::PreTranslateAccelerator(pMsg, hRet);
}
STDMETHODIMP CProgView::CancelPopulateList()
{
if (m_hEventCancel && InterlockedCompareExchange(&m_PopulateInProgress, TRUE, TRUE) == TRUE) {
SetEvent(m_hEventCancel);
}
return S_OK;
}
STDMETHODIMP CProgView::get_AccelCmd(LONG lCmd, BSTR *pVal)
{
CComBSTR bstrAccel = m_Accel.GetAccelString((WORD)lCmd).c_str();
*pVal = bstrAccel.Copy();
return S_OK;
}
STDMETHODIMP CProgView::put_AccelCmd(LONG lCmd, BSTR newVal)
{
m_Accel.SetAccel(newVal);
return S_OK;
}
STDMETHODIMP CProgView::ClearAccel()
{
m_Accel.ClearAccel();
return S_OK;
}
STDMETHODIMP CProgView::get_ExternAccel(BSTR *pVal)
{
CComBSTR bstrAccel = m_ExternAccel.GetAccelString().c_str();
*pVal = bstrAccel.Copy();
return S_OK;
}
STDMETHODIMP CProgView::put_ExternAccel(BSTR newVal)
{
m_ExternAccel.SetAccel(newVal);
return S_OK;
}
STDMETHODIMP CProgView::ClearExternAccel()
{
m_ExternAccel.ClearAccel();
return S_OK;
}
//
// in upload.c
//
wstring StrUpCase(wstring& wstr);
//
// expand env -- lives in util.cpp
// we have a bit differing implementation here
//
wstring
ExpandEnvironmentVars(
LPCTSTR lpszCmd
)
{
DWORD dwLength;
LPTSTR lpBuffer = NULL;
BOOL bExpanded = FALSE;
wstring strCmd;
TCHAR szBuffer[MAX_PATH];
if (_tcschr(lpszCmd, TEXT('%')) == NULL) {
goto out;
}
dwLength = ExpandEnvironmentStrings(lpszCmd, NULL, 0);
if (!dwLength) {
goto out;
}
if (dwLength < CHARCOUNT(szBuffer)) {
lpBuffer = szBuffer;
} else {
lpBuffer = new TCHAR[dwLength];
if (NULL == lpBuffer) {
goto out;
}
}
dwLength = ExpandEnvironmentStrings(lpszCmd, lpBuffer, dwLength);
if (!dwLength) {
goto out;
}
strCmd = lpBuffer;
bExpanded = TRUE;
out:
if (!bExpanded) {
strCmd = lpszCmd;
}
if (lpBuffer && lpBuffer != szBuffer) {
delete[] lpBuffer;
}
return strCmd;
}
STDMETHODIMP CProgView::put_ExcludeFiles(BSTR newVal)
{
// parse exclude files, put them into our blacklist
wstring strFile;
LPCWSTR pch = newVal;
LPCWSTR pend;
m_ExcludedFiles.clear();
while (pch != NULL && *pch != TEXT('\0')) {
pch += _tcsspn(pch, TEXT(" \t"));
// begining
// find the ;
pend = _tcschr(pch, TEXT(';'));
if (pend == NULL) {
// from pch to the end
strFile = pch;
pch = NULL; // will bail out
} else {
strFile = wstring(pch, (wstring::size_type)(pend - pch));
pch = pend + 1; // one past ;
}
// add
if (strFile.length()) {
strFile = ExpandEnvironmentVars(strFile.c_str());
m_ExcludedFiles.insert(StrUpCase(strFile));
}
}
return S_OK;
}
STDMETHODIMP CProgView::get_ExcludeFiles(BSTR* pVal)
{
// parse exclude files, put them into our blacklist
STRSET::iterator iter;
CComBSTR bstrFiles;
for (iter = m_ExcludedFiles.begin(); iter != m_ExcludedFiles.end(); ++iter) {
if (bstrFiles.Length()) {
bstrFiles += TEXT(';');
}
bstrFiles += (*iter).c_str();
}
*pVal = bstrFiles.Copy();
return S_OK;
}
BOOL CProgView::IsFileExcluded(LPCTSTR pszFile)
{
wstring strFile = pszFile;
STRSET::iterator iter;
iter = m_ExcludedFiles.find(StrUpCase(strFile));
return iter != m_ExcludedFiles.end();
}