Multidevice ASIO output plugin for WinAMP

// configDlg.hpp : interface of the ConfigurationDialog class
//
////////////////////////////////////////////////////////////////////////////////

#pragma once

#include "gui.hpp"
#include "ASIODevice.hpp"
#include "resource.h"


////////////////////////////////////////////////////////////////////////////////
//
//  ConfigurationDialog
//  -------------------
//
//  Implements the Wasiona configuration control panel.
//
////////////////////////////////////////////////////////////////////////////////

class ConfigurationDialog : public ATL::CDialogImpl<ConfigurationDialog>
{
public:
    ConfigurationDialog();

    enum { IDD = IDD_CONFIGURATION };


private:  // Message map/window procedure.
    BEGIN_MSG_MAP( ConfigurationDialog )
	    COMMAND_ID_HANDLER( IDOK                 , OnOK                   )
	    COMMAND_ID_HANDLER( IDCANCEL             , OnCancel               )
        COMMAND_ID_HANDLER( ID_AddDevice         , OnAddDeviceToList      )
        COMMAND_ID_HANDLER( ID_RemoveDevice      , OnRemoveDeviceFromList )
        COMMAND_ID_HANDLER( ID_DeviceControlPanel, OnDeviceControlPanel   )
        COMMAND_CODE_HANDLER( LBN_SELCHANGE, OnChosenDevicesSelectionChange )
        COMMAND_CODE_HANDLER( LBN_SELCANCEL, OnChosenDevicesSelectionCancel )
        NOTIFY_CODE_HANDLER_EX( TBN_DROPDOWN, OnVolumeMenu )
        NOTIFY_ID_HANDLER_EX( IDC_URL, OnURL )
        MSG_WM_INITDIALOG( OnInitDialog )
    END_MSG_MAP()

private: // Message/event handlers.
    // Handler prototypes (uncomment arguments if needed):
    //	LRESULT MessageHandler(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    //	LRESULT CommandHandler(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
    //	LRESULT NotifyHandler(int /*idCtrl*/, LPNMHDR /*pnmh*/, BOOL& /*bHandled*/)

    bool OnInitDialog( HWND defaultFocusControl, LPARAM lInitParam );
    void OnDestroy();

    LRESULT OnOK(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/);
    LRESULT OnCancel(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/);

    LRESULT OnAddDeviceToList             ( WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL & bHandled );
    LRESULT OnRemoveDeviceFromList        ( WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL & bHandled );
    LRESULT OnChosenDevicesSelectionChange( WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL & bHandled );
    LRESULT OnChosenDevicesSelectionCancel( WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL & bHandled );
    LRESULT OnDeviceControlPanel          ( WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL & bHandled );
    LRESULT OnVolumeMenu                  ( NMHDR const *                                             );
    LRESULT OnURL                         ( NMHDR const *                                             );
    
private:
    InDialogPropertySheet       & devicesSheet()       { return asioDevices_  ; }
    InDialogPropertySheet const & devicesSheet() const { return const_cast<ConfigurationDialog &>( *this ).asioDevices_; }
    ASIODriverList        const & driverList  () const { return asioDrivers_; }
    WTL::CListBox               & chosenDevices() { assert( chosenDevices_ && ::IsWindow( chosenDevices_ ) ); return chosenDevices_; }

    void closeDialog( int returnCode );
    void enableDeviceDependentButtons( bool const enable = true );
    void enableOKButton();
    void setDeviceListChanged() { deviceListChanged_ = true; enableOKButton(); }
    void setNewVolumeControler( unsigned long const newVolumeControler );

private:
    ASIODriverList        const asioDrivers_       ;
    InDialogPropertySheet       asioDevices_       ;
    WTL::CListBox               chosenDevices_     ;
    WTL::CToolBarCtrl           addRemoveToolbar_  ;
    WTL::CToolBarCtrl           setupToolbar_      ;
    bool                        deviceListChanged_ ;
    unsigned long               newVolumeControler_;
};