diff options
Diffstat (limited to 'audio/sysvad/SwapAPO/PropPageExtensions/UIWidgets.cpp')
| -rw-r--r-- | audio/sysvad/SwapAPO/PropPageExtensions/UIWidgets.cpp | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/audio/sysvad/SwapAPO/PropPageExtensions/UIWidgets.cpp b/audio/sysvad/SwapAPO/PropPageExtensions/UIWidgets.cpp new file mode 100644 index 00000000..9dc272af --- /dev/null +++ b/audio/sysvad/SwapAPO/PropPageExtensions/UIWidgets.cpp @@ -0,0 +1,321 @@ +//**@@@*@@@**************************************************** +// +// Microsoft Windows +// Copyright (C) Microsoft Corporation. All rights reserved. +// +//**@@@*@@@**************************************************** + +// +// FileName: UIWidgets.cpp +// +// Abstract: Implementation of CUIWidget and derived classes +// +// ---------------------------------------------------------------------------- + + +#include "stdafx.h" +#include <DeviceTopology.h> +#include "UIWidgets.h" + +_Analysis_mode_(_Analysis_code_type_user_driver_) + +// ---------------------------------------------------------------------- +// CUIWidget base class + + +// ---------------------------------------------------------------------------- +// Function: +// CUIWidget::CUIWidget +// +// Description: +// CUIWidget constructor +// ---------------------------------------------------------------------------- +CUIWidget::CUIWidget +( + IPart* pPart, + REFIID iid +) +: m_hwndParentDlg(NULL), + m_iid(iid), + m_wstrLabel(NULL), + m_bRegisteredForCallbacks(NULL) +{ + // This is done here rather than in the initializer list to avoid a prefix error + if (pPart != NULL) + { + m_spPart = pPart; + } + + m_dwProcessId = GetCurrentProcessId(); +} + + +// ---------------------------------------------------------------------------- +// Function: +// CUIWidget::~CUIWidget +// +// Description: +// CUIWidget destructor +// ---------------------------------------------------------------------------- +CUIWidget::~CUIWidget() +{ + SAFE_COTASKMEMFREE(m_wstrLabel); + + if (m_bRegisteredForCallbacks) + { + m_spPart->UnregisterControlChangeCallback(this); + } +} + + +// ---------------------------------------------------------------------------- +// Function: +// CUIWidget::Create +// +// Description: +// -- Activates the control interface on the specified part +// -- Registers for control change callbacks +// +// Parameters: +// hwndDlg - [in] Parent dialog of the widget +// rc - [in] Not used +// ctrlIdBase - [in] Not used +// +// Return values: +// S_OK if successful +// ---------------------------------------------------------------------------- +HRESULT CUIWidget::Create +( + HWND hwndDlg, + SRECT& /*rc*/, + UINT& /*ctrlIdBase*/ +) +{ + HRESULT hr; + + m_hwndParentDlg = hwndDlg; + + RPC_STATUS rpcs = UuidCreate(&m_guidEventContext); + if (rpcs != RPC_S_OK) + { + hr = HRESULT_FROM_WIN32(rpcs); + goto Exit; + } + + hr = m_spPart->Activate(CLSCTX_INPROC_SERVER, m_iid, (void**)&m_spControl); + IF_FAILED_JUMP(hr, Exit); + + hr = m_spPart->RegisterControlChangeCallback(m_iid, this); + IF_FAILED_JUMP(hr, Exit); + + m_bRegisteredForCallbacks = TRUE; + + hr = m_spPart->GetName(&m_wstrLabel); + +Exit: + return hr; +}; + + +// ---------------------------------------------------------------------- +// Function: +// CUIWidget::OnNotify +// +// Description: +// Implementation of IControlChangeNotify::OnNotify +// Called when someone calls a "Set" method on a control interface. +// +// Parameters: +// dwProcessId - [in] Process ID +// pguidEventContext - Event context guid +// +// Return: +// S_OK always +// ---------------------------------------------------------------------- +_Use_decl_annotations_ +HRESULT CUIWidget::OnNotify +( + DWORD dwProcessId, + LPCGUID pguidEventContext +) +{ + UNREFERENCED_PARAMETER(dwProcessId); + + if ((pguidEventContext == NULL) || + (*pguidEventContext != m_guidEventContext)) + { + // Delegate to derived class + HandleControlChangeNotification(); + } + + return S_OK; +} + + +// ---------------------------------------------------------------------- +// ---------------------------------------------------------------------- +// CBooleanWidget + + +// ---------------------------------------------------------------------------- +// Function: +// CBooleanWidget::CBooleanWidget +// +// Description: +// CBooleanWidget constructor +// ---------------------------------------------------------------------------- +CBooleanWidget::CBooleanWidget +( + IPart* pPart, + REFIID iid +) +: CUIWidget(pPart, iid), + m_hwndCheckbox(NULL), + m_bCurrentValue(FALSE) +{ +} + + +// ---------------------------------------------------------------------------- +// Function: +// CBooleanWidget::Create +// +// Description: +// Creates the widget which is a dialog +// +// Parameters: +// hwndDlg - [in] Parent dialog of the widget +// rc - [in] Position of the widget +// nCtrlId - [in] Child-window identifier +// +// Return values: +// S_OK if successful +// ---------------------------------------------------------------------------- +HRESULT CBooleanWidget::Create +( + HWND hwndDlg, + SRECT& rc, + UINT& nCtrlId +) +{ + HRESULT hr; + HFONT hFont; + DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_AUTOCHECKBOX; + + // Activate the control interface and register for callbacks + hr = CUIWidget::Create(hwndDlg, rc, nCtrlId); + IF_FAILED_JUMP(hr, Exit); + + // Create a check box + rc.w = 300; + rc.h = 20; + m_hwndCheckbox = CreateWindowEx( + 0, //WS_EX_STATICEDGE, + WC_BUTTON, + m_wstrLabel, + dwStyle, + rc.x, rc.y, // put at (x,y) + rc.w, rc.h, + m_hwndParentDlg, + (HMENU)(UINT_PTR)nCtrlId, + NULL, + 0); + IF_TRUE_ACTION_JUMP((m_hwndCheckbox == NULL), hr = HRESULT_FROM_WIN32(GetLastError()), Exit); + + // Make the new control use the same font as the dialog + hFont = Window_GetFont(hwndDlg); + Window_SetFont(m_hwndCheckbox, hFont); + + // Get the current value + hr = HandleControlChangeNotification(); + IF_FAILED_JUMP(hr, Exit); + +Exit: + return hr; +} + + +// ---------------------------------------------------------------------- +// Function: +// CBooleanWidget::HandleControlChangeNotification() +// +// Description: +// Handles widget change notifications +// +// Return: +// S_OK if successful +// ---------------------------------------------------------------------- +HRESULT CBooleanWidget::HandleControlChangeNotification() +{ + HRESULT hr = S_OK; + + ATLASSERT(m_spControl); + ATLASSERT(m_hwndCheckbox); + + // Set value on DeviceTopology control interface + if (m_iid == __uuidof(IAudioLoudness)) + { + CComQIPtr<IAudioLoudness> spLoudness = m_spControl; + hr = spLoudness->GetEnabled(&m_bCurrentValue); + } + else if (m_iid == __uuidof(IAudioAutoGainControl)) + { + CComQIPtr<IAudioAutoGainControl> spAGC = m_spControl; + hr = spAGC->GetEnabled(&m_bCurrentValue); + } + else if (m_iid == __uuidof(IDeviceSpecificProperty)) + { + CComQIPtr<IDeviceSpecificProperty> spBoolCtrl = m_spControl; + DWORD cbValue = sizeof(m_bCurrentValue); + + hr = spBoolCtrl->GetValue(&m_bCurrentValue, &cbValue); + } + + // Set the check box to reflect the current value + SendMessage(m_hwndCheckbox, BM_SETCHECK, (WPARAM)(int)(m_bCurrentValue), 0L); + + return hr; +} + + +// ---------------------------------------------------------------------------- +// Function: +// CBooleanWidget::CommitValue +// +// Description: +// Commit the value set on the control +// +// Return values: +// S_OK if successful +// ---------------------------------------------------------------------------- +HRESULT CBooleanWidget::CommitValue() +{ + HRESULT hr = S_OK; + + ATLASSERT(m_spControl); + ATLASSERT(m_hwndCheckbox); + + // Get current value from check box + m_bCurrentValue = ((int)(DWORD)SendMessage(m_hwndCheckbox, BM_GETCHECK, 0L, 0L)); + + // Set value on DeviceTopology control interface + if (m_iid == __uuidof(IAudioLoudness)) + { + CComQIPtr<IAudioLoudness> spLoudness = m_spControl; + hr = spLoudness->SetEnabled(m_bCurrentValue, GetEventContext()); + } + else if (m_iid == __uuidof(IAudioAutoGainControl)) + { + CComQIPtr<IAudioAutoGainControl> spAGC = m_spControl; + hr = spAGC->SetEnabled(m_bCurrentValue, GetEventContext()); + } + else if (m_iid == __uuidof(IDeviceSpecificProperty)) + { + CComQIPtr<IDeviceSpecificProperty> spBoolCtrl = m_spControl; + + hr = spBoolCtrl->SetValue(&m_bCurrentValue, sizeof(m_bCurrentValue), + GetEventContext()); + } + + return hr; +}; |