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PPTRCv2Dlg.cpp
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PPTRCv2Dlg.cpp
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// PPTRCv2Dlg.cpp : implementation file
//
#include "stdafx.h"
#include "PPTRCv2.h"
#include "PPTRCv2Dlg.h"
#include "protocol.h"
#include "winable.h"
#ifdef _DEBUG
#define new DEBUm_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
//--------------------------------------------------------------------------------
// Constants.
#define HIDE_TIMER 2002
#define POLL_TIMER 2003
#define LISTEN_PORT 1234
#define PPC_PORT 23523
#define FILE_MARK_DIR '?'
#define FILE_MARK_CDROM '<'
#define FILE_MARK_FLOPPY '>'
#define FILE_MARK_HD '|'
const char* g_szHome= "C:";
//--------------------------------------------------------------------------------
// CPPTRCv2Dlg dialog
IMPLEMENT_DYNAMIC(CPPTRCv2Dlg, CDialog)
CPPTRCv2Dlg::CPPTRCv2Dlg(CWnd* pParent /*=NULL*/)
: CDialog(CPPTRCv2Dlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CPPTRCv2Dlg)
// NOTE: the ClassWizard will add member initialization here
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
m_iWidth = 220; // width of BMP
m_iHeight = 165; // height of BMP
m_pResp = NULL; // response to client
m_dwRespLen = 0; // length of response
m_pConnectionPoint= NULL;
m_appPPT = NULL;
m_bOK = FALSE;
EnableAutomation();
}
void CPPTRCv2Dlg::OnFinalRelease()
{
// When the last reference for an Automation object is released,
// OnFinalRelease is called. The base class automatically
// deletes the object. Add additional cleanup required for your
// object before you call the base class.
CCmdTarget::OnFinalRelease();
}
void CPPTRCv2Dlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CPPTRCv2Dlg)
DDX_Control(pDX, IDC_LISTBOX, m_ListBox);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CPPTRCv2Dlg, CDialog)
//{{AFX_MSm_MAP(CPPTRCv2Dlg)
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_WM_CLOSE()
ON_WM_TIMER()
//}}AFX_MSm_MAP
END_MESSAGE_MAP()
BEGIN_DISPATCH_MAP(CPPTRCv2Dlg, CCmdTarget)
//DISP_FUNCTION_ID(CPPTRCv2Dlg, "WindowSelectionChange", 2001, WindowSelectionChange,VT_EMPTY, VTS_DISPATCH)
//DISP_FUNCTION_ID(CPPTRCv2Dlg, "WindowBeforeRightClick", 2002 , WindowBeforeRightClick, VT_EMPTY , VTS_DISPATCH VTS_BOOL)
//DISP_FUNCTION_ID(CPPTRCv2Dlg, "WindowBeforeDoubleClick", 2003 , WindowBeforeDoubleClick, VT_EMPTY, VTS_DISPATCH VTS_BOOL)
DISP_FUNCTION_ID(CPPTRCv2Dlg, "PresentationClose", 2004, PresentationClose,VT_EMPTY, VTS_DISPATCH)
//DISP_FUNCTION_ID(CPPTRCv2Dlg, "PresentationSave", 2005, PresentationSave,VT_EMPTY, VTS_DISPATCH)
//DISP_FUNCTION_ID(CPPTRCv2Dlg, "PresentationOpen", 2006, PresentationOpen,VT_EMPTY, VTS_DISPATCH)
//DISP_FUNCTION_ID(CPPTRCv2Dlg, "NewPresentation", 2007, NewPresentation,VT_EMPTY, VTS_DISPATCH)
//DISP_FUNCTION_ID(CPPTRCv2Dlg, "PresentationNewSlide", 2008, PresentationNewSlide,VT_EMPTY, VTS_DISPATCH)
//DISP_FUNCTION_ID(CPPTRCv2Dlg, "WindowActivate", 2009, WindowActivate,VT_EMPTY, VTS_DISPATCH VTS_DISPATCH)
//DISP_FUNCTION_ID(CPPTRCv2Dlg, "WindowDeactivate", 2010, WindowDeactivate,VT_EMPTY, VTS_DISPATCH VTS_DISPATCH)
DISP_FUNCTION_ID(CPPTRCv2Dlg, "SlideShowBegin", 2011, SlideShowBegin,VT_EMPTY, VTS_DISPATCH )
//DISP_FUNCTION_ID(CPPTRCv2Dlg, "SlideShowNextBuild", 2012, SlideShowNextBuild,VT_EMPTY, VTS_DISPATCH )
DISP_FUNCTION_ID(CPPTRCv2Dlg, "SlideShowNextSlide", 2013, SlideShowNextSlide,VT_EMPTY, VTS_DISPATCH )
DISP_FUNCTION_ID(CPPTRCv2Dlg, "SlideShowEnd", 2014, SlideShowEnd,VT_EMPTY, VTS_DISPATCH )
//DISP_FUNCTION_ID(CPPTRCv2Dlg, "PresentationPrint", 2015, PresentationPrint,VT_EMPTY, VTS_DISPATCH )
//DISP_FUNCTION_ID(CPPTRCv2Dlg, "SlideSelectionChanged", 2016, SlideSelectionChanged,VT_EMPTY, VTS_DISPATCH )
//DISP_FUNCTION_ID(CPPTRCv2Dlg, "ColorSchemeChanged", 2017, ColorSchemeChanged,VT_EMPTY, VTS_DISPATCH )
//DISP_FUNCTION_ID(CPPTRCv2Dlg, "PresentationBeforeSave", 2018, PresentationBeforeSave,VT_EMPTY, VTS_DISPATCH VTS_BOOL)
//DISP_FUNCTION_ID(CPPTRCv2Dlg, "SlideShowNextClick", 2019, SlideShowNextClick,VT_EMPTY, VTS_DISPATCH VTS_DISPATCH)
END_DISPATCH_MAP()
//The GUUID is different from the one originally generated by Class Wizard. This GUUID is the same as the one for the EApplication outgoing event interface.
static const IID IID_IMyPPTEventsHandler= {0x914934C2,0x5A91,0x11CF, {0x87,0x00,0x00,0xAA,0x00,0x60,0x26,0x3b}};
BEGIN_INTERFACE_MAP(CPPTRCv2Dlg, CCmdTarget)
INTERFACE_PART(CPPTRCv2Dlg, IID_IMyPPTEventsHandler, Dispatch)
END_INTERFACE_MAP()
// CPPTRCv2Dlg message handlers.
/*void CPPTRCv2Dlg::WindowSelectionChange(LPDISPATCH Pres)
{
m_pListBox->InsertString(-1, "WindowSelectionChange");
}
void CPPTRCv2Dlg::WindowBeforeRightClick(LPDISPATCH Pres, VARIANT_BOOL* Cancel)
{
m_pListBox->InsertString(-1, "WindowBeforeRightClick");
}
void CPPTRCv2Dlg::WindowBeforeDoubleClick(LPDISPATCH Pres, VARIANT_BOOL* Cancel)
{
m_pListBox->InsertString(-1, "WindowBeforeDoubleClick");
}
*/
//--------------------------------------------------------------------------------
void CPPTRCv2Dlg::PresentationClose(LPDISPATCH Pres)
{
m_ListBox.InsertString(-1, "PresentationClose");
}
/*
void CPPTRCv2Dlg::PresentationSave(LPDISPATCH Pres)
{
m_pListBox->InsertString(-1, "PresentationSave");
}
void CPPTRCv2Dlg::PresentationOpen(LPDISPATCH Pres)
{
m_pListBox->InsertString(-1, "PresentationOpen");
}
void CPPTRCv2Dlg::NewPresentation(LPDISPATCH Pres)
{
m_pListBox->InsertString(-1, "NewPresentation");
}
void CPPTRCv2Dlg::PresentationNewSlide(LPDISPATCH Pres)
{
m_pListBox->InsertString(-1, "PresentationNewSlide");
}
void CPPTRCv2Dlg::WindowActivate(LPDISPATCH Pres,LPDISPATCH Wn)
{
m_pListBox->InsertString(-1, "WindowActivate");
}
void CPPTRCv2Dlg::WindowDeactivate(LPDISPATCH Pres, LPDISPATCH Wn)
{
m_pListBox->InsertString(-1, "WindowDeactivate");
}
*/
//--------------------------------------------------------------------------------
void CPPTRCv2Dlg::SlideShowBegin(LPDISPATCH Wn)
{
LPDISPATCH lpDispatch;
SlideShowWindow ssWindow1;
m_ListBox.InsertString(-1, "slideshow starts");
// get the IDispatch of the SlideShowWindow object
Wn->QueryInterface(IID_IDispatch, (void**)&lpDispatch);
ssWindow1.AttachDispatch(lpDispatch);
/*
ssWindow1.SetHeight(310);
ssWindow1.SetWidth(410);
ssWindow1.SetTop(10);
ssWindow1.SetLeft(10);
*/
}
/*
void CPPTRCv2Dlg::SlideShowNextBuild(LPDISPATCH Wn)
{
m_pListBox->InsertString(-1, "SlideShowNextBuild");
}
*/
//--------------------------------------------------------------------------------
void CPPTRCv2Dlg::SlideShowNextSlide(LPDISPATCH Wn)
{
LPDISPATCH lpDispatch;
SlideShowWindow ssWindow;
SlideShowView ssView;
char szResp[4];
// ACK_NFO response
// 4 bytes: index of current slide
// get the IDispatch of the SlideShowWindow object
Wn->QueryInterface(IID_IDispatch, (void**)&lpDispatch);
ssWindow.AttachDispatch(lpDispatch);
ssView= ssWindow.GetView();
memset(szResp, 0, 4);
itoa(ssView.GetCurrentShowPosition(), szResp, 10);
PrepareResponse(ACK_NFO, szResp, 4);
SendResponse();
ssView.ReleaseDispatch();
ssWindow.ReleaseDispatch();
lpDispatch->Release();
m_ListBox.InsertString(-1, "slide change");
}
//--------------------------------------------------------------------------------
void CPPTRCv2Dlg::SlideShowEnd(LPDISPATCH Pres)
{
m_ListBox.InsertString(-1, "slideshow ends");
}
/*
void CPPTRCv2Dlg::PresentationPrint(LPDISPATCH Pres)
{
m_pListBox->InsertString(-1, "PresentationPrint");
}
// the following events are not available for PowerPoint 2000.
void CPPTRCv2Dlg::SlideSelectionChanged(LPDISPATCH SldRange)
{
m_pListBox->InsertString(-1, "SlideSelectionChanged");
}
void CPPTRCv2Dlg::ColorSchemeChanged(LPDISPATCH SldRange)
{
m_pListBox->InsertString(-1, "ColorSchemeChanged");
}
void CPPTRCv2Dlg::PresentationBeforeSave(LPDISPATCH Pres, VARIANT_BOOL *Cancel)
{
m_pListBox->InsertString(-1, "PresentationBeforeSave");
}
void CPPTRCv2Dlg::SlideShowNextClick(LPDISPATCH Wn, LPDISPATCH nEffect)
{
m_pListBox->InsertString(-1, "SlideShowNextClick");
}
*/
//--------------------------------------------------------------------------------
// CPPTRCv2Dlg message handlers
BOOL CPPTRCv2Dlg::OnInitDialog()
{
sockaddr_in addr;
CDialog::OnInitDialog();
LPITEMIDLIST pidl;
char buff[MAX_PATH];
SHGetSpecialFolderLocation(NULL, CSIDL_DRIVES, &pidl);
SHGetPathFromIDList(pidl, buff);
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
// get path were preview pictures are stored
GetCurrentDirectory(MAX_PATH, m_szImagePath);
// init network address and create socket
memset(&addr, 0, sizeof(sockaddr_in));
addr.sin_family= AF_INET;
addr.sin_port= htons(LISTEN_PORT);
addr.sin_addr.s_addr= INADDR_ANY;
m_sockListen= socket(AF_INET, SOCK_STREAM, IPPROTO_IP);
if (m_sockListen == INVALID_SOCKET) {
AfxMessageBox("socket failed!");
return(FALSE);
}
if (bind(m_sockListen, (sockaddr*)&addr, sizeof(sockaddr)) == SOCKET_ERROR) {
AfxMessageBox("bind failed!");
return(FALSE);
}
if (listen(m_sockListen, SOMAXCONN) == SOCKET_ERROR) {
AfxMessageBox("listen failed!");
return(FALSE);
}
SetTimer(POLL_TIMER, 10, NULL);
m_szCurrPath[0]= 0;
CoInitialize(NULL);
return(TRUE); // return TRUE unless you set the focus to a control
}
//--------------------------------------------------------------------------------
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void CPPTRCv2Dlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}
//--------------------------------------------------------------------------------
// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CPPTRCv2Dlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
//--------------------------------------------------------------------------------
// Timer event was triggered.
BOOL CPPTRCv2Dlg::SendResponse()
{
int iSent;
int iSize= sizeof(sockaddr_in);
sockaddr_in addr;
SOCKET sock;
sock= socket(AF_INET, SOCK_STREAM, 0);
memcpy(&addr, &m_addrClient, iSize);
addr.sin_port= htons(PPC_PORT);
if (connect(sock, (sockaddr*)&addr, iSize) == SOCKET_ERROR) {
return(FALSE);
}
iSent= send(sock, m_pResp, m_dwRespLen, 0);
TRACE("sent: cmd: %c, bytes: %d\n", m_pResp[4], iSent);
closesocket(sock);
return(TRUE);
}
//--------------------------------------------------------------------------------
// Timer event was triggered.
void CPPTRCv2Dlg::OnTimer(UINT nIDEvent)
{
if (nIDEvent == HIDE_TIMER) {
HidePointer();
} else {
SOCKET sockConnect;
char szBuff[1024];
int iSize= sizeof(sockaddr);
int iRet;
TIMEVAL tv={0, 0};
fd_set readfds;
FD_ZERO(&readfds);
FD_SET(m_sockListen,&readfds);
iRet= select(0, &readfds, NULL, NULL, &tv);
if (iRet > 0) {
try {
sockConnect= accept(m_sockListen, (sockaddr*)&m_addrClient, &iSize);
if (sockConnect == INVALID_SOCKET) {
// listening socket was closed
TRACE("*** LISTEN SOCKET CLOSED! ***\n");
return;
}
TRACE("*** CONNECTION ESTABLISHED! ***\n");
// read from client
memset(szBuff, 0, 1024);
iRet= recv(sockConnect, szBuff, 1024, 0);
if (iRet != SOCKET_ERROR) {
// prepare additional data
TRACE("RECV: %s\n", &szBuff[4]);
OnReceive(szBuff[4], &szBuff[5]);
closesocket(sockConnect);
// release memory
if (m_pResp) {
GlobalFree(m_pResp);
m_pResp= NULL;
m_dwRespLen= 0;
}
}
} catch(...) {
TRACE("*** EXCEPTION CAUGHT ***\n");
closesocket(sockConnect);
}
}
}
}
//--------------------------------------------------------------------------------
void CPPTRCv2Dlg::OnClose()
{
KillTimer(POLL_TIMER);
try {
// close sockets
closesocket(m_sockListen);
} catch (...) {
}
WSACleanup();
CDialog::OnClose();
}
//--------------------------------------------------------------------------------
BOOL CPPTRCv2Dlg::EstabConn()
{
static const GUID IID_IEApplication= {0x914934C2,0x5A91,0x11CF, {0x87,0x00,0x00,0xAA,0x00,0x60,0x26,0x3b}};
HRESULT hr;
LPUNKNOWN pUnk;
// get server's (PPT) IConnectionPointContainer interface.
IConnectionPointContainer *pConnPtContainer;
hr= m_appPPT.m_lpDispatch->QueryInterface(IID_IConnectionPointContainer, (void **)&pConnPtContainer);
if (FAILED(hr)) {
AfxMessageBox("Couldn't get IConnectionPointContainer interface.");
return(FALSE);
}
// find connection point for events we're interested in.
hr= pConnPtContainer->FindConnectionPoint(IID_IEApplication, &m_pConnectionPoint);
if(FAILED(hr)) {
AfxMessageBox("Couldn't find connection point via event GUID.");
return(FALSE);
}
// get the IUnknown interface of our event implementation.
pUnk= NULL;
pUnk = GetInterface(&IID_IUnknown);
if (!pUnk) return(FALSE);
// setup advisory connection!
hr= m_pConnectionPoint->Advise(pUnk, &m_dwCookie);
if (FAILED(hr)) return(FALSE);
// release IConnectionPointContainer interface.
pConnPtContainer->Release();
m_bOK= TRUE;
return(TRUE);
}
//--------------------------------------------------------------------------------
BOOL CPPTRCv2Dlg::Unregister()
{
// use the cookie to unregister the sink.
m_pConnectionPoint->Unadvise(m_dwCookie);
m_pConnectionPoint->Release();
m_dwCookie= 0;
return(TRUE);
}
//--------------------------------------------------------------------------------
// Creates the response string for the client.
// If parameter "length" has default value -1, data is treated as 0-terminated string.
void CPPTRCv2Dlg::PrepareResponse(char cmd, const char *data, DWORD len /* = -1 */)
{
// message length supplied?
if (len == -1) len= strlen(data) + 1; // null termination for strings
m_dwRespLen= len + 5; // + 1 byte protocol command
// + 4 byte length field for response message
m_pResp= (char*)GlobalAlloc(GMEM_FIXED|GMEM_ZEROINIT, m_dwRespLen);
// bytes 0 ... 3: length field
int i= 3;
while(len) {
m_pResp[i--]= (unsigned char)(len & 0x000000FF);
len>>= 8;
}
// byte 4: protocol command
m_pResp[4]= cmd;
// bytes 5 ... m_dwRespLen - 1: payload
memcpy(&m_pResp[5], data, m_dwRespLen - 5);
}
//--------------------------------------------------------------------------------
// Creates a preview of next Powerpoint slides in presentation.
void CPPTRCv2Dlg::CreatePreview(long index)
{
Slides slides;
_Slide slide;
COleVariant vaIndex(index, VT_I4);
char szFullPath[MAX_PATH];
char szBuff[256];
HANDLE hFile;
DWORD dwSize;
DWORD dwBytesRead= 0;
char *pszData;
BOOL bOK;
strcpy(szFullPath, m_szImagePath);
sprintf(szBuff, "\\Slide%d", index);
strcat(szFullPath, szBuff);
strcat(szFullPath, ".BMP");
// export current slide
slides= m_pres.GetSlides();
slide= slides.Item(vaIndex);
slide.Export(szFullPath, "BMP", m_iWidth, m_iHeight);
hFile= CreateFile(szFullPath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE) {
PrepareResponse(ERR, "Creating preview failed!");
return;
}
dwSize= GetFileSize(hFile, NULL) + 4;
// allocate memory for reading the file
pszData= (char*)malloc(dwSize);
// read the bitmap file
bOK= ReadFile(hFile, (LPVOID)&pszData[4], dwSize, &dwBytesRead, NULL);
if ((!bOK)||(dwBytesRead != dwSize - 4)) {
PrepareResponse(ERR, "Creating preview failed!");
CloseHandle(hFile);
return;
}
memcpy(pszData, &index, 4);
// response consists of protocol command + 4 bytes slide number + preview data
PrepareResponse(ACK_PREV, pszData, 1 + dwSize);
CloseHandle(hFile);
free(pszData);
}
//--------------------------------------------------------------------------------
// Determines, wether there is an open slideshow or not.
BOOL CPPTRCv2Dlg::OpenSlideShowExists()
{
if (m_view.m_lpDispatch != NULL) {
try {
m_view.GetSlideShowName();
} catch(COleDispatchException *e) {
TRACE("*** SLIDESHOWVIEW WAS CLOSED ***\n");
m_view.ReleaseDispatch();
e->Delete();
}
}
return(m_view.m_lpDispatch != NULL);
}
//--------------------------------------------------------------------------------
// Closes currently active presentation
// 1: Everything worked fine.
// 0: No slide show was open.
int CPPTRCv2Dlg::CloseSlideShow()
{
if (OpenSlideShowExists()) {
if (m_view.m_lpDispatch != NULL) {
m_view.Exit();
m_view.ReleaseDispatch();
}
try {
m_pres.Close();
m_pres.ReleaseDispatch();
} catch (CException *e) {
m_pres.ReleaseDispatch();
e->Delete();
}
return(1);
} else
return(0);
}
//--------------------------------------------------------------------------------
// Performs check on wether Powerpoint is running
BOOL CPPTRCv2Dlg::IsPPTRunning() {
if (m_appPPT.m_lpDispatch != NULL) {
try {
if (!m_appPPT.GetVisible()) {
// still running but invisible
m_appPPT.SetVisible(1);
}
return(TRUE);
} catch(...) {
// Powerpoint is no longer running, but dispatch still considered valid
m_appPPT.ReleaseDispatch();
}
}
return(FALSE);
}
//--------------------------------------------------------------------------------
// Starts Powerpoint Application and stores _Application objet in "m_appPPT".
// Possible return codes are:
// 1: Everything worked fine.
// 0: Powerpoint was already running.
// -1: Something went wrong. Powerpoint is not running.
int CPPTRCv2Dlg::RunPPT()
{
if (IsPPTRunning()) {
return(0);
} else {
m_bOK= FALSE;
COleException e;
// start Powerpoint
if(!m_appPPT.CreateDispatch("Powerpoint.Application", &e)) {
CString str;
str.Format("CreateDispatch() failed w/err 0x%08lx", e.m_sc),
AfxMessageBox(str, MB_SETFOREGROUND);
return(-1);
} else {
//make it visible.
m_appPPT.SetVisible(TRUE);
m_appPPT.SetDisplayAlerts(1);
if (!EstabConn()) return(-1);
return(1);
}
}
}
//--------------------------------------------------------------------------------
int CPPTRCv2Dlg::ClosePPT()
{
if (IsPPTRunning()) {
if (OpenSlideShowExists()) CloseSlideShow();
if (m_bOK) Unregister();
m_appPPT.Quit();
m_appPPT.ReleaseDispatch();
return(1);
} else
return(0);
}
//--------------------------------------------------------------------------------
// Returns to running slideshow (displays it again if hidden by other window).
// Possible returns codes are:
// 1: Everything worked fine.
// 0: File could not be found/opened.
BOOL CPPTRCv2Dlg::ReturnToSlideShow()
{
// we need an open slideshow
if (OpenSlideShowExists()) {
long nr= m_view.GetCurrentShowPosition();
m_view.GotoSlide(nr, 0);
// ACK_NFO response
Slides slides= m_pres.GetSlides();
char resp[8];
// 4 bytes: number of slides, 4 bytes: number of slides
memset(&resp[0], 0, 8);
itoa(slides.GetCount(), &resp[0], 10);
itoa(m_view.GetCurrentShowPosition(), &resp[4], 10);
PrepareResponse(ACK_NFO, resp, 8);
return(TRUE);
} else
return(FALSE);
}
//--------------------------------------------------------------------------------
// Starts a slideshow with previously defined settings.
void CPPTRCv2Dlg::RunSlideShow()
{
SlideShowSettings settings;
SlideShowWindow ssWindow;
settings= m_pres.GetSlideShowSettings();
COleDispatchDriver lpDispatch= settings.Run();
ssWindow= m_pres.GetSlideShowWindow();
m_view= ssWindow.GetView();
ssWindow.ReleaseDispatch();
settings.ReleaseDispatch();
}
//--------------------------------------------------------------------------------
// Opens a specified slideshow in presentation mode.
// Possible returns codes are:
// 1: Everything worked fine.
// 0: File could not be found/opened.
int CPPTRCv2Dlg::OpenSlideShow(char *file)
{
Presentations presentations;
SlideShowSettings settings;
Slides slides;
long lSlideCount;
char szResp[4];
// safety check
if (!IsPPTRunning()) RunPPT();
// close other slideshow if open
if (OpenSlideShowExists()) CloseSlideShow();
presentations= m_appPPT.GetPresentations();
try {
m_pres= presentations.Open(file, TRUE, TRUE, TRUE);
} catch(...) {
// file could not be found/opened!
ClosePPT();
return(0);
}
settings= m_pres.GetSlideShowSettings();
settings.SetShowWithAnimation(TRUE);
settings.SetLoopUntilStopped(TRUE);
settings.SetAdvanceMode(1); // 1: ppSlideShowManualAdvance
RunSlideShow();
// prepare response for client (number of slides)
slides= m_pres.GetSlides();
lSlideCount= slides.GetCount();
slides.ReleaseDispatch();
// 4 bytes: number of slides
memset(szResp, 0, 4);
itoa(lSlideCount, szResp, 10);
PrepareResponse(ACK_COUNT, szResp, 4);
return(1);
}
//--------------------------------------------------------------------------------
// Performs next animation or switches to next slide.
// Possible returns codes are:
// 1: Everything worked fine.
// 0: No open slide show.
int CPPTRCv2Dlg::NextSlide()
{
// we need an open slideshow
if (OpenSlideShowExists()) {
m_view.Next();
return(1);
} else
return(0);
}
//--------------------------------------------------------------------------------
// Performs previous animation or switches to previous slide.
// Possible returns codes are:
// 1: Everything worked fine.
// 0: No open slide show.
int CPPTRCv2Dlg::PrevSlide()
{
// we need an open slideshow
if (OpenSlideShowExists()) {
m_view.Previous();
return(1);
} else
return(0);
}
//--------------------------------------------------------------------------------
// Goes to first slide.
// Possible returns codes are:
// 1: Everything worked fine.
// 0: No open slide show.
int CPPTRCv2Dlg::FirstSlide()
{
// we need an open slideshow
if (OpenSlideShowExists()) {
long index;
index= m_view.GetCurrentShowPosition();
m_view.First();
// slide change?
if (index != 1) CreatePreview(2);
return(1);
} else
return(0);
}
//--------------------------------------------------------------------------------
// Goes to last slide.
// Possible returns codes are:
// 1: Everything worked fine.
// 0: No open slide show.
int CPPTRCv2Dlg::LastSlide()
{
// we need an open slideshow
if (OpenSlideShowExists()) {
long index;
index= m_view.GetCurrentShowPosition();
m_view.Last();
// slide change?
if (index != m_view.GetCurrentShowPosition()) CreatePreview(1);
return(1);
} else
return(0);
}
//--------------------------------------------------------------------------------
// Goes to slide specified by argument "nr".
// Possible returns codes are:
// 1: Everything worked fine.
// 0: No open slide show.
// -1: Invalid slide index.
int CPPTRCv2Dlg::GotoSlide(long nr)
{
// we need an open slideshow
if (OpenSlideShowExists()) {
char szResp[4];
long lSlideCount;
Slides slides= m_pres.GetSlides();
lSlideCount= slides.GetCount();
slides.ReleaseDispatch();
// range check
if ((nr >= 1)&&(nr <= lSlideCount)) {
m_view.GotoSlide(nr, 0);
// ACK_NFO response
// 4 bytes: index of current slide
memset(szResp, 0, 4);
itoa(m_view.GetCurrentShowPosition(), szResp, 10);
PrepareResponse(ACK_NFO, szResp, 4);
return(1);
} else
return(-1);
} else
return(0);
}
//--------------------------------------------------------------------------------
// Turns screen entirely black.
// Possible returns codes are:
// 1: Everything worked fine.
// 0: No open slide show.
int CPPTRCv2Dlg::BlackScreen()
{
if (OpenSlideShowExists()) {
long state= m_view.GetState();
if (state == 1) m_view.SetState(3); // 3: ppSlideShowBlackScreen
else m_view.SetState(1); // 1: ppSlideShowRunning
// ACK_NFO response
Slides slides= m_pres.GetSlides();
char resp[8];
// 4 bytes: number of slides, 4 bytes: number of slides
memset(&resp[0], 0, 8);
itoa(slides.GetCount(), &resp[0], 10);
itoa(m_view.GetCurrentShowPosition(), &resp[4], 10);
PrepareResponse(ACK_NFO, resp, 8);
return(1);
} else
return(0);
}
//--------------------------------------------------------------------------------
// Turns screen entirely white.
// Possible returns codes are:
// 1: Everything worked fine.
// 0: No open slide show.
int CPPTRCv2Dlg::WhiteScreen()
{
if (OpenSlideShowExists()) {
long state= m_view.GetState();
if (state == 1) m_view.SetState(4); // 4: ppSlideShowWhiteScreen
else m_view.SetState(1); // 1: ppSlideShowRunning
// ACK_NFO response
Slides slides= m_pres.GetSlides();
char resp[8];
// 4 bytes: number of slides, 4 bytes: number of slides
memset(&resp[0], 0, 8);
itoa(slides.GetCount(), &resp[0], 10);
itoa(m_view.GetCurrentShowPosition(), &resp[4], 10);
PrepareResponse(ACK_NFO, resp, 8);
return(1);
} else
return(0);
}
//--------------------------------------------------------------------------------
// Stops an auto-slideshow or starts it over.
// Possible returns codes are:
// 1: Everything worked fine.
// 0: No open slide show.
int CPPTRCv2Dlg::StopSlideShow()
{
if (OpenSlideShowExists()) {
long state= m_view.GetState();
if (state == 2) m_view.SetState(1); // 1: ppSlideShowRunning
else m_view.SetState(2); // 2: ppSlideShowPaused
return(1);
} else
return(0);
}
//--------------------------------------------------------------------------------
// Clears all notes on screen.
// Possible returns codes are:
// 1: Everything worked fine.
// 0: No open slide show.
int CPPTRCv2Dlg::ClearNotes()
{
if (OpenSlideShowExists()) {
return(1);
} else
return(0);
}
//--------------------------------------------------------------------------------
// Switches to next hidden slide.
// Possible returns codes are:
// 1: Everything worked fine.
// 0: No open slide show.
// -1: No hidden slides in current slideshow.
int CPPTRCv2Dlg::GotoHidden()
{
if (OpenSlideShowExists()) {
return(1);
} else
return(0);
}
//--------------------------------------------------------------------------------
// Test slideshow with new auto-advance timings.
// Possible returns codes are:
// 1: Everything worked fine.
// 0: No open slide show.
int CPPTRCv2Dlg::TimeNew()
{
if (OpenSlideShowExists()) {
SlideShowSettings settings= m_pres.GetSlideShowSettings();
m_view.Exit();
settings.SetAdvanceMode(3); // 3: ppSlideShowRehearseNewTimings
RunSlideShow();
settings.ReleaseDispatch();
return(1);
} else
return(0);
}
//--------------------------------------------------------------------------------
// Test slideshow with old auto-advance timings.
// Possible returns codes are:
// 1: Everything worked fine.
// 0: No open slide show.
int CPPTRCv2Dlg::TimeOld()
{
if (OpenSlideShowExists()) {
return(1);
} else
return(0);
}
//--------------------------------------------------------------------------------
// Set advance mode to mouse-clicks.
// 1: Everything worked fine.
// 0: No open slide show.