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windows-nt/Source/XPSP1/NT/enduser/speech/sapi/cpl/ttsdlg.cpp

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2020-09-26 03:20:57 -05:00
#include "stdafx.h"
#include "resource.h"
#include <sapi.h>
#include <string.h>
#include "TTSDlg.h"
#include "audiodlg.h"
#include <spddkhlp.h>
#include "helpresource.h"
#include "srdlg.h"
#include "richedit.h"
#include <SPCollec.h>
#include "SAPIINT.h"
#include "SpATL.h"
#include "SpAutoHandle.h"
#include "SpAutoMutex.h"
#include "SpAutoEvent.h"
#include "spvoice.h"
#include <richedit.h>
#include <richole.h>
#include "tom.h"
static DWORD aKeywordIds[] = {
// Control ID // Help Context ID
IDC_COMBO_VOICES, IDH_LIST_TTS,
IDC_TTS_ADV, IDH_TTS_ADV,
IDC_OUTPUT_SETTINGS, IDH_OUTPUT_SETTINGS,
IDC_SLIDER_SPEED, IDH_SLIDER_SPEED,
IDC_EDIT_SPEAK, IDH_EDIT_SPEAK,
IDC_SPEAK, IDH_SPEAK,
IDC_TTS_ICON, IDH_NOHELP,
IDC_DIRECTIONS, IDH_NOHELP,
IDC_TTS_CAP, IDH_NOHELP,
IDC_SLOW, IDH_NOHELP,
IDC_NORMAL, IDH_NOHELP,
IDC_FAST, IDH_NOHELP,
IDC_GROUP_VOICESPEED, IDH_NOHELP,
IDC_GROUP_PREVIEWVOICE, IDH_NOHELP,
0, 0
};
// Address of the TrackBar's WNDPROC
WNDPROC g_TrackBarWindowProc;
// Our own internal TrackBar WNDPROC used to intercept and process VK_UP and VK_DOWN messages
LRESULT CALLBACK MyTrackBarWindowProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
/*****************************************************************************
* TTSDlgProc *
*------------*
* Description:
* DLGPROC for the TTS
****************************************************************** MIKEAR ***/
BOOL CALLBACK TTSDlgProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
SPDBG_FUNC( "TTSDlgProc" );
USES_CONVERSION;
switch (uMsg)
{
case WM_INITDIALOG:
{
g_pTTSDlg->OnInitDialog(hWnd);
break;
}
case WM_DESTROY:
{
g_pTTSDlg->OnDestroy();
break;
}
// Handle the context sensitive help
case WM_CONTEXTMENU:
{
WinHelp((HWND) wParam, CPL_HELPFILE, HELP_CONTEXTMENU, (DWORD_PTR)(LPSTR) aKeywordIds);
break;
}
case WM_HELP:
{
WinHelp((HWND)((LPHELPINFO) lParam)->hItemHandle, CPL_HELPFILE, HELP_WM_HELP,(DWORD_PTR)(LPSTR) aKeywordIds);
break;
}
case WM_HSCROLL:
{
g_pTTSDlg->ChangeSpeed();
break;
}
case WM_NOTIFY:
switch (((NMHDR*)lParam)->code)
{
case PSN_APPLY:
{
g_pTTSDlg->OnApply();
break;
}
case PSN_KILLACTIVE:
{
// if the voice is speaking, stop it before switching tabs
if (g_pTTSDlg->m_bIsSpeaking) {
g_pTTSDlg->Speak();
}
break;
}
case PSN_QUERYCANCEL: // user clicks the Cancel button
{
if ( g_pSRDlg )
{
g_pSRDlg->OnCancel();
}
break;
}
}
break;
case WM_COMMAND:
switch ( LOWORD(wParam) )
{
case IDC_COMBO_VOICES:
{
if ( CBN_SELCHANGE == HIWORD(wParam) )
{
HRESULT hr = g_pTTSDlg->DefaultVoiceChange(false);
if ( SUCCEEDED( hr ) )
{
g_pTTSDlg->Speak();
}
}
break;
}
case IDC_OUTPUT_SETTINGS:
{
// if it's speaking make it stop
g_pTTSDlg->StopSpeak();
::SetFocus(GetDlgItem(g_pTTSDlg->m_hDlg, IDC_OUTPUT_SETTINGS));
// The m_pAudioDlg will be non-NULL only if the audio dialog
// has been previously brough up.
// Otherwise, we need a newly-initialized one
if ( !g_pTTSDlg->m_pAudioDlg )
{
g_pTTSDlg->m_pAudioDlg = new CAudioDlg(eOUTPUT );
}
if (g_pTTSDlg->m_pAudioDlg != NULL)
{
::DialogBoxParam( _Module.GetResourceInstance(),
MAKEINTRESOURCE( IDD_AUDIO_DEFAULT ),
hWnd,
(DLGPROC) AudioDlgProc,
(LPARAM) g_pTTSDlg->m_pAudioDlg );
if ( g_pTTSDlg->m_pAudioDlg->IsAudioDeviceChangedSinceLastTime() )
{
// Warn the user that he needs to apply the changes
WCHAR szWarning[MAX_LOADSTRING];
szWarning[0] = 0;
LoadString( _Module.GetResourceInstance(), IDS_AUDIOOUT_CHANGE_WARNING, szWarning, MAX_LOADSTRING);
MessageBox( g_pTTSDlg->GetHDlg(), szWarning, g_pTTSDlg->m_szCaption, MB_ICONWARNING | g_dwIsRTLLayout );
}
}
g_pTTSDlg->KickCPLUI();
break;
}
case IDC_EDIT_SPEAK:
{
if (HIWORD(wParam) == EN_CHANGE) // user is changing text
{
g_pTTSDlg->SetEditModified(true);
}
break;
}
case IDC_SPEAK:
{
g_pTTSDlg->Speak();
break;
}
case IDC_TTS_ADV:
{
// convert the title of the window to wide chars
CSpDynamicString dstrTitle;
WCHAR szTitle[256];
szTitle[0] = '\0';
LoadString(_Module.GetResourceInstance(), IDS_ENGINE_SETTINGS, szTitle, sizeof(szTitle));
dstrTitle = szTitle;
HRESULT hr = g_pTTSDlg->m_cpCurVoiceToken->DisplayUI(
hWnd, dstrTitle, SPDUI_EngineProperties, NULL, 0, NULL );
if ( FAILED( hr ) )
{
WCHAR szError[ MAX_LOADSTRING ];
::LoadString( _Module.GetResourceInstance(), IDS_TTSUI_ERROR, szError, sp_countof( szError ) );
::MessageBox( hWnd, szError, g_pTTSDlg->m_szCaption, MB_ICONEXCLAMATION | g_dwIsRTLLayout );
::EnableWindow( ::GetDlgItem( hWnd, IDC_TTS_ADV ), FALSE );
}
break;
}
}
break;
}
return FALSE;
} /* TTSDlgProc */
/*****************************************************************************
* MyTrackBarWindowProc *
*------------*
* Description:
* This is our own privately sub-classed WNDPROC for the rate TrackBar. We
* tell the TTS dialog to use this one so we can pre-process the VK_UP and
* VK_DOWN messages before the TrackBar's WNDPROC "incorrectly" handles them
* on it's own. All other messages we just pass through to the TrackBar's
* WNDPROC.
****************************************************************** Leonro ***/
LRESULT CALLBACK MyTrackBarWindowProc(
HWND hwnd, // handle to window
UINT uMsg, // message identifier
WPARAM wParam, // first message parameter
LPARAM lParam // second message parameter
)
{
switch( uMsg )
{
case WM_KEYDOWN:
case WM_KEYUP:
if( wParam == VK_UP )
{
wParam = VK_RIGHT;
}
else if( wParam == VK_DOWN )
{
wParam = VK_LEFT;
}
break;
}
return CallWindowProc( g_TrackBarWindowProc, hwnd, uMsg, wParam, lParam );
}
/*****************************************************************************
* CTTSDlg::SetEditModified( bool fModify ) *
*-----------------------*
* Description:
* Access method for m_fTextModified
****************************************************************** BRENTMID ***/
void CTTSDlg::SetEditModified( bool fModify )
{
m_fTextModified = fModify;
}
/*****************************************************************************
* CTTSDlg::OnInitDialog *
*-----------------------*
* Description:
* Dialog Initialization
****************************************************************** BECKYW ***/
void CTTSDlg::OnInitDialog(HWND hWnd)
{
USES_CONVERSION;
SPDBG_FUNC( "CTTSDlg::OnInitDialog" );
SPDBG_ASSERT(IsWindow(hWnd));
m_hDlg = hWnd;
// Put text on the speak button
ChangeSpeakButton();
// This is to be the caption for error messages
m_szCaption[0] = 0;
::LoadString( _Module.GetResourceInstance(), IDS_CAPTION, m_szCaption, sp_countof( m_szCaption ) );
// Initialize the TTS personality list
InitTTSList( hWnd );
// Set the range on the slider
HWND hSlider = ::GetDlgItem( hWnd, IDC_SLIDER_SPEED );
::SendMessage( hSlider, TBM_SETRANGE, true, MAKELONG( VOICE_MIN_SPEED, VOICE_MAX_SPEED ) );
// Retrieve address of the TrackBar's WNDPROC so we can sub-class it and intercept
// and process the VK_UP and VK_DOWN messages before it handle's them on it's
// own "incorrectly"
g_TrackBarWindowProc = (WNDPROC)GetWindowLongPtr( hSlider, GWLP_WNDPROC );
// Set the WNDPROC of the TrackBar to MyTrackBarWindowProc
SetWindowLongPtr( hSlider, GWLP_WNDPROC, (LONG_PTR)MyTrackBarWindowProc );
// Limit the text in the preview pane
::SendDlgItemMessage( hWnd, IDC_EDIT_SPEAK, EM_LIMITTEXT, MAX_EDIT_TEXT - 1, 0 );
// Find the original default token
SpGetDefaultTokenFromCategoryId( SPCAT_VOICES, &m_cpOriginalDefaultVoiceToken );
// Set the appropriate voice
DefaultVoiceChange(true);
} /* CTTSDlg::OnInitDialog */
/*****************************************************************************
* CTTSDlg::InitTTSList *
*----------------------*
* Description:
* Initializes the list control for the TTS dialog box.
*******************************************************************BECKYW****/
void CTTSDlg::InitTTSList( HWND hWnd )
{
m_hTTSCombo = ::GetDlgItem( hWnd, IDC_COMBO_VOICES );
SpInitTokenComboBox( m_hTTSCombo, SPCAT_VOICES );
}
/*****************************************************************************
* CTTSDlg::OnDestroy *
*--------------------*
* Description:
* Destruction
****************************************************************** MIKEAR ***/
void CTTSDlg::OnDestroy()
{
SPDBG_FUNC( "CTTSDlg::OnDestroy" );
if (m_cpVoice)
{
m_cpVoice->SetNotifySink(NULL);
m_cpVoice.Release();
}
// Let go of the tokens in the combo box
SpDestroyTokenComboBox( m_hTTSCombo );
} /* CTTSDlg::OnDestroy */
/*****************************************************************************
* CTTSDlg::OnApply *
*------------------*
* Description:
* Set user specified options
****************************************************************** BECKYW ***/
void CTTSDlg::OnApply()
{
// SOFTWARE ENGINEERING OPPORTUNITY (BeckyW 7/28/00): This needs to
// return an error code
SPDBG_FUNC( "CTTSDlg::OnApply" );
m_bApplied = true;
// Store the current voice
HRESULT hr = E_FAIL;
if (m_cpCurVoiceToken)
{
hr = SpSetDefaultTokenForCategoryId(SPCAT_VOICES, m_cpCurVoiceToken );
}
if ( SUCCEEDED( hr ) )
{
m_cpOriginalDefaultVoiceToken = m_cpCurVoiceToken;
}
// Store the current audio out
hr = S_OK;
if ( m_pAudioDlg )
{
hr = m_pAudioDlg->OnApply();
if ( FAILED( hr ) )
{
WCHAR szError[256];
szError[0] = '\0';
LoadString(_Module.GetResourceInstance(), IDS_AUDIO_CHANGE_FAILED, szError, sizeof(szError));
MessageBox(m_hDlg, szError, m_szCaption, MB_ICONWARNING | g_dwIsRTLLayout);
}
// Kill the audio dialog, as we are done with it.
delete m_pAudioDlg;
m_pAudioDlg = NULL;
// Re-create the voice, since we have audio changes to pick up
DefaultVoiceChange(false);
}
// Store the voice rate in the registry
int iCurRate = 0;
HWND hSlider = ::GetDlgItem( m_hDlg, IDC_SLIDER_SPEED );
iCurRate = (int)::SendMessage( hSlider, TBM_GETPOS, 0, 0 );
CComPtr<ISpObjectTokenCategory> cpCategory;
if (SUCCEEDED(SpGetCategoryFromId(SPCAT_VOICES, &cpCategory)))
{
CComPtr<ISpDataKey> cpDataKey;
if (SUCCEEDED(cpCategory->GetDataKey(SPDKL_CurrentUser, &cpDataKey)))
{
cpDataKey->SetDWORD(SPVOICECATEGORY_TTSRATE, iCurRate);
}
}
// Keep around the slider position for determining UI state later
m_iOriginalRateSliderPos = iCurRate;
KickCPLUI();
} /* CTTSDlg::OnApply */
/*****************************************************************************
* CTTSDlg::PopulateEditCtrl *
*---------------------------*
* Description:
* Populates the edit control with the name of the default voice.
****************************************************************** MIKEAR ***/
void CTTSDlg::PopulateEditCtrl( ISpObjectToken * pToken )
{
SPDBG_FUNC( "CTTSDlg::PopulateEditCtrl" );
HRESULT hr = S_OK;
// Richedit/TOM
CComPtr<IRichEditOle> cpRichEdit; // OLE interface to the rich edit control
CComPtr<ITextDocument> cpTextDoc;
CComPtr<ITextRange> cpTextRange;
LANGID langId;
WCHAR text[128], editText[MAX_PATH];
HWND hWndEdit = ::GetDlgItem(m_hDlg, IDC_EDIT_SPEAK);
CSpDynamicString dstrDescription;
if ((SUCCEEDED(SpGetLanguageFromVoiceToken(pToken, &langId))) && (!m_fTextModified))
{
CComPtr<ISpObjectTokenCategory> cpCategory;
CComPtr<ISpDataKey> cpAttributesKey;
CComPtr<ISpDataKey> cpPreviewKey;
CComPtr<ISpDataKey> cpVoicesKey;
int len;
// First get language of voice from token.
hr = SpGetDescription(pToken, &dstrDescription, langId);
// Now get hold of preview key to try and find the appropriate text.
if (SUCCEEDED(hr))
{
hr = SpGetCategoryFromId(SPCAT_VOICES, &cpCategory);
}
if (SUCCEEDED(hr))
{
hr = cpCategory->GetDataKey(SPDKL_LocalMachine, &cpVoicesKey);
}
if (SUCCEEDED(hr))
{
hr = cpVoicesKey->OpenKey(L"Preview", &cpPreviewKey);
}
if (SUCCEEDED(hr))
{
CSpDynamicString dstrText;
swprintf(text, L"%x", langId);
hr = cpPreviewKey->GetStringValue(text, &dstrText);
if (SUCCEEDED(hr))
{
wcsncpy(text, dstrText, 127);
text[127] = 0;
}
}
// If preview key did not contain appropriate text, fall back to the hard-coded (and
// potentially localized) text in the cpl resources.
if (FAILED(hr))
{
len = LoadString( _Module.GetResourceInstance(), IDS_DEF_VOICE_TEXT, text, 128);
if (len != 0)
{
hr = S_OK;
}
}
if(SUCCEEDED(hr))
{
swprintf( editText, text, dstrDescription );
::SendMessage( hWndEdit, EM_GETOLEINTERFACE, 0, (LPARAM)(LPVOID FAR *)&cpRichEdit );
if ( !cpRichEdit )
{
hr = E_FAIL;
}
if (SUCCEEDED(hr))
{
hr = cpRichEdit->QueryInterface( IID_ITextDocument, (void**)&cpTextDoc );
}
if (SUCCEEDED(hr))
{
hr = cpTextDoc->Range(0, MAX_EDIT_TEXT-1, &cpTextRange);
}
if (SUCCEEDED(hr))
{
BSTR bstrText = SysAllocString(editText);
hr = cpTextRange->SetText(bstrText);
SysFreeString(bstrText);
}
if (FAILED(hr))
{
// Do best we can with this API - unicode languages not equal to the OS language will be replaced with ???'s.
SetWindowText(hWndEdit, editText );
}
}
}
} /* CTTSDlg::PopulateEditCtrl */
/*****************************************************************************
* CTTSDlg::DefaultVoiceChange *
*-----------------------------*
* Description:
* Changes the current default voice.
* If there is already a default voice in effect (i.e., if this is
* not the first time we are calling this function), removes the
* checkmark from the appropriate item in the list.
* Sets the checkmark to the appropriate item in the list.
* Sets the voice with the appropriate token.
* Return:
* S_OK
* E_UNEXPECTED if there is no token currently selected in the voice list
* failure codes of SAPI voice initialization functions
******************************************************************* BECKYW ***/
HRESULT CTTSDlg::DefaultVoiceChange(bool fUsePersistentRate)
{
SPDBG_FUNC( "CTTSDlg::DefaultVoiceChange" );
if ( m_bIsSpeaking )
{
// This forces the voice to stop speaking
m_cpVoice->Speak( NULL, SPF_PURGEBEFORESPEAK, NULL );
m_bIsSpeaking = false;
ChangeSpeakButton();
}
if (m_cpVoice)
{
m_cpVoice->SetNotifySink(NULL);
m_cpVoice.Release();
}
// Find out what is selected
int iSelIndex = (int) ::SendMessage( m_hTTSCombo, CB_GETCURSEL, 0, 0 );
m_cpCurVoiceToken = (ISpObjectToken *) ::SendMessage( m_hTTSCombo, CB_GETITEMDATA, iSelIndex, 0 );
if ( CB_ERR == (LRESULT) m_cpCurVoiceToken.p )
{
m_cpCurVoiceToken = NULL;
}
HRESULT hr = E_UNEXPECTED;
if (m_cpCurVoiceToken)
{
BOOL fSupported = FALSE;
hr = m_cpCurVoiceToken->IsUISupported(SPDUI_EngineProperties, NULL, 0, NULL, &fSupported);
if ( FAILED( hr ) )
{
fSupported = FALSE;
}
::EnableWindow(::GetDlgItem(m_hDlg, IDC_TTS_ADV), fSupported);
// Get the voice from the SR Dlg's recognizer, if possible.
// Otherwise just CoCreate the voice
ISpRecoContext *pRecoContext =
g_pSRDlg ? g_pSRDlg->GetRecoContext() : NULL;
if ( pRecoContext )
{
hr = pRecoContext->GetVoice( &m_cpVoice );
// Since the recocontext might not have changed, but we might have
// changed the default audio object, just to be sure, we
// go and get the default audio out token and SetOutput
CComPtr<ISpObjectToken> cpAudioToken;
if ( SUCCEEDED( hr ) )
{
hr = SpGetDefaultTokenFromCategoryId( SPCAT_AUDIOOUT, &cpAudioToken );
}
else
{
hr = m_cpVoice.CoCreateInstance(CLSID_SpVoice);
}
if ( SUCCEEDED( hr ) )
{
hr = m_cpVoice->SetOutput( cpAudioToken, TRUE );
}
}
else
{
hr = m_cpVoice.CoCreateInstance(CLSID_SpVoice);
}
if( SUCCEEDED( hr ) )
{
hr = m_cpVoice->SetVoice(m_cpCurVoiceToken);
}
if (SUCCEEDED(hr))
{
CComPtr<ISpNotifyTranslator> cpNotify;
cpNotify.CoCreateInstance(CLSID_SpNotifyTranslator);
cpNotify->InitSpNotifyCallback(this, 0, 0);
m_cpVoice->SetInterest(SPFEI(SPEI_WORD_BOUNDARY) | SPFEI(SPEI_END_INPUT_STREAM), 0);
m_cpVoice->SetNotifySink(cpNotify);
// Set the appropriate speed on the slider
if (fUsePersistentRate)
{
CComPtr<ISpObjectTokenCategory> cpCategory;
ULONG ulCurRate=0;
if (SUCCEEDED(SpGetCategoryFromId(SPCAT_VOICES, &cpCategory)))
{
CComPtr<ISpDataKey> cpDataKey;
if (SUCCEEDED(cpCategory->GetDataKey(SPDKL_CurrentUser, &cpDataKey)))
{
cpDataKey->GetDWORD(SPVOICECATEGORY_TTSRATE, (ULONG*)&ulCurRate);
}
}
m_iOriginalRateSliderPos = ulCurRate;
}
else
{
m_iOriginalRateSliderPos = m_iSpeed;
}
HWND hSlider = ::GetDlgItem( m_hDlg, IDC_SLIDER_SPEED );
::SendMessage( hSlider, TBM_SETPOS, true, m_iOriginalRateSliderPos );
// Enable the Preview Voice button
::EnableWindow( ::GetDlgItem( g_pTTSDlg->GetHDlg(), IDC_SPEAK ), TRUE );
}
else
{
// Warn the user of failure
WCHAR szError[MAX_LOADSTRING];
szError[0] = 0;
LoadString( _Module.GetResourceInstance(), IDS_TTS_ERROR, szError, MAX_LOADSTRING);
MessageBox( GetHDlg(), szError, m_szCaption, MB_ICONEXCLAMATION | g_dwIsRTLLayout );
// Disable the Preview Voice button
::EnableWindow( ::GetDlgItem( GetHDlg(), IDC_SPEAK ), FALSE );
}
// Put text corresponding to this voice into the edit control
PopulateEditCtrl(m_cpCurVoiceToken);
// Kick the UI
KickCPLUI();
}
return hr;
} /* CTTSDlg::DefaultVoiceChange */
/*****************************************************************************
* CTTSDlg::SetCheckmark *
*-----------------------*
* Description:
* Sets the specified item in the list control to be either checked
* or unchecked (as the default voice)
******************************************************************************/
void CTTSDlg::SetCheckmark( HWND hList, int iIndex, bool bCheck )
{
m_fForceCheckStateChange = true;
ListView_SetCheckState( hList, iIndex, bCheck );
m_fForceCheckStateChange = false;
} /* CTTSDlg::SetCheckmark */
/*****************************************************************************
* CTTSDlg::KickCPLUI *
*--------------------*
* Description:
* Determines if there is anything to apply right now
******************************************************************************/
void CTTSDlg::KickCPLUI()
{
bool fChanged = false;
// Compare IDs
CSpDynamicString dstrSelTokenID;
CSpDynamicString dstrOriginalDefaultTokenID;
HRESULT hr = E_FAIL;
if ( m_cpOriginalDefaultVoiceToken && m_cpCurVoiceToken )
{
hr = m_cpCurVoiceToken->GetId( &dstrSelTokenID );
}
if ( SUCCEEDED( hr ) )
{
hr = m_cpOriginalDefaultVoiceToken->GetId( &dstrOriginalDefaultTokenID );
}
if ( SUCCEEDED( hr )
&& ( 0 != wcsicmp( dstrOriginalDefaultTokenID, dstrSelTokenID ) ) )
{
fChanged = true;
}
// Check the audio device
if ( m_pAudioDlg && m_pAudioDlg->IsAudioDeviceChanged() )
{
fChanged = true;
}
// Check the voice rate
int iSpeed = (int) ::SendDlgItemMessage( m_hDlg, IDC_SLIDER_SPEED,
TBM_GETPOS, 0, 0 );
if ( m_iOriginalRateSliderPos != iSpeed )
{
fChanged = true;
}
// Tell the main propsheet
HWND hwndParent = ::GetParent( m_hDlg );
::SendMessage( hwndParent, fChanged ? PSM_CHANGED : PSM_UNCHANGED, (WPARAM)(m_hDlg), 0 );
} /* CTTSDlg::KickCPLUI */
/*****************************************************************************
* CTTSDlg::ChangeSpeed *
*----------------------*
* Description:
* Called when the slider has moved.
* Adjusts the speed of the voice
****************************************************************** BECKYW ***/
void CTTSDlg::ChangeSpeed()
{
HWND hSlider = ::GetDlgItem( m_hDlg, IDC_SLIDER_SPEED );
m_iSpeed = (int)::SendMessage( hSlider, TBM_GETPOS, 0, 0 );
m_cpVoice->SetRate( m_iSpeed );
KickCPLUI();
} /* CTTSDlg::ChangeSpeed */
/*****************************************************************************
* CTTSDlg::ChangeSpeakButton *
*----------------------------*
* Description:
* Changes the text in the "Preview Voice" button in order to
* reflect whether there is currently a speak happening.
****************************************************************** BECKYW ***/
void CTTSDlg::ChangeSpeakButton()
{
WCHAR pszButtonCaption[ MAX_LOADSTRING ];
HWND hButton = ::GetDlgItem( m_hDlg, IDC_SPEAK );
::LoadString( _Module.GetResourceInstance(), m_bIsSpeaking ? IDS_STOP_PREVIEW : IDS_PREVIEW,
pszButtonCaption, MAX_LOADSTRING );
::SendMessage( hButton, WM_SETTEXT, 0, (LPARAM) pszButtonCaption );
if (!m_bIsSpeaking)
{
::SetFocus(GetDlgItem(m_hDlg, IDC_SPEAK));
}
} /* CTTSDlg::ChangeSpeakButton */
/*****************************************************************************
* CTTSDlg::Speak *
*----------------*
* Description:
* Speaks the contents of the edit control.
* If it is already speaking, shuts up.
****************************************************************** BECKYW ***/
void CTTSDlg::Speak()
{
SPDBG_FUNC( "CTTSDlg::Speak" );
if ( m_bIsSpeaking )
{
// This forces the voice to stop speaking
m_cpVoice->Speak( NULL, SPF_PURGEBEFORESPEAK, NULL );
m_bIsSpeaking = false;
ChangeSpeakButton();
}
else
{
ChangeSpeed();
GETTEXTEX gtex = { sp_countof(m_wszCurSpoken), GT_DEFAULT, 1200, NULL, NULL };
m_wszCurSpoken[0] = 0;
LRESULT cChars = ::SendDlgItemMessage(m_hDlg,
IDC_EDIT_SPEAK, EM_GETTEXTEX, (WPARAM)&gtex, (LPARAM)m_wszCurSpoken);
if (cChars)
{
HRESULT hr = m_cpVoice->Speak(m_wszCurSpoken, SPF_ASYNC | SPF_PURGEBEFORESPEAK, NULL);
if ( SUCCEEDED( hr ) )
{
m_bIsSpeaking = true;
::SetFocus(GetDlgItem(m_hDlg, IDC_EDIT_SPEAK));
ChangeSpeakButton();
}
else
{
// Warn the user that he needs to apply the changes
WCHAR szError[MAX_LOADSTRING];
szError[0] = 0;
LoadString( _Module.GetResourceInstance(), IDS_SPEAK_ERROR, szError, MAX_LOADSTRING);
MessageBox( GetHDlg(), szError, m_szCaption, MB_ICONWARNING | g_dwIsRTLLayout );
}
}
}
} /* CTTSDlg::Speak */
/*****************************************************************************
* CTTSDlg::StopSpeak *
*----------------*
* Description:
* Stops the voice from speaking.
* If it is already speaking, shuts up.
****************************************************************** BECKYW ***/
void CTTSDlg::StopSpeak()
{
SPDBG_FUNC( "CTTSDlg::StopSpeak" );
if ( m_bIsSpeaking )
{
// This forces the voice to stop speaking
m_cpVoice->Speak( NULL, SPF_PURGEBEFORESPEAK, NULL );
m_bIsSpeaking = false;
}
ChangeSpeakButton();
} /* CTTSDlg::StopSpeak */
/*****************************************************************************
* CTTSDlg::NotifyCallback *
*-------------------------*
* Description:
* Callback function that highlights words as they are spoken.
****************************************************************** MIKEAR ***/
STDMETHODIMP CTTSDlg::NotifyCallback(WPARAM /* wParam */, LPARAM /* lParam */)
{
SPDBG_FUNC( "CTTSDlg::NotifyCallback" );
SPVOICESTATUS Stat;
m_cpVoice->GetStatus(&Stat, NULL);
WPARAM nStart;
LPARAM nEnd;
if (Stat.dwRunningState & SPRS_DONE)
{
nStart = nEnd = 0;
m_bIsSpeaking = false;
ChangeSpeakButton();
// Set the selection to an IP at the start of the text to speak
::SendDlgItemMessage( m_hDlg, IDC_EDIT_SPEAK, EM_SETSEL, 0, 0 );
}
else
{
nStart = (LPARAM)Stat.ulInputWordPos;
nEnd = nStart + Stat.ulInputWordLen;
CHARRANGE cr;
cr.cpMin = (LONG)nStart;
cr.cpMax = (LONG)nEnd;
::SendDlgItemMessage( m_hDlg, IDC_EDIT_SPEAK, EM_EXSETSEL, 0, (LPARAM) &cr );
}
return S_OK;
} /* CTTSDlg::NotifyCallback */
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