prefdialog.cpp

FreeAMP(MP3播放)程序源代码-用来研究MP3解码

                        currentValues.preBufferLength = atoi(text);

                        if(memcmp(  &originalValues, 
                                    &currentValues, 
                                    sizeof(PrefsStruct)))
                        {
                            PropSheet_Changed(GetParent(hwnd), hwnd);
                        }
                        else
                        {
                            PropSheet_UnChanged(GetParent(hwnd), hwnd);
                        }
                    }

                    break;
                }

                case IDC_STAYONTOP:
                {
                    if(Button_GetCheck(hwndStayOnTop) == BST_CHECKED)
                    {
                        currentValues.stayOnTop = true;
                    }
                    else
                    {
                        currentValues.stayOnTop = false;
                    }

                    if(memcmp(  &originalValues, 
                                &currentValues, 
                                sizeof(PrefsStruct)))
                    {
                        PropSheet_Changed(GetParent(hwnd), hwnd);
                    }
                    else
                    {
                        PropSheet_UnChanged(GetParent(hwnd), hwnd);
                    }

                    break;
                }

                case IDC_TRAY:
                {
                    if(Button_GetCheck(hwndLiveInTray) == BST_CHECKED)
                    {
                        currentValues.liveInTray = true;
                    }
                    else
                    {
                        currentValues.liveInTray = false;
                    }

                    if(memcmp(  &originalValues, 
                                &currentValues, 
                                sizeof(PrefsStruct)))
                    {
                        PropSheet_Changed(GetParent(hwnd), hwnd);
                    }
                    else
                    {
                        PropSheet_UnChanged(GetParent(hwnd), hwnd);
                    }

                    break;
                }
            }

            break;
        }

        case WM_HSCROLL:
		{
			LRESULT position;
            HWND hwndScroll = (HWND) lParam;

			switch (LOWORD(wParam)) 
			{
				case TB_LINEUP:
				case TB_LINEDOWN:
				case TB_PAGEDOWN:
				case TB_PAGEUP:
				case TB_THUMBPOSITION:
                case TB_THUMBTRACK:
				{
                    if(hwndScroll == hwndPriority)
                    {
		  			    position = SendMessage(	hwndScroll, 
											    TBM_GETPOS, 
											    0, 
											    0);

                        currentValues.decoderThreadPriority = position;

                        if(memcmp(  &originalValues, 
                                    &currentValues, 
                                    sizeof(PrefsStruct)))
                        {
                            PropSheet_Changed(GetParent(hwnd), hwnd);
                        }
                        else
                        {
                            PropSheet_UnChanged(GetParent(hwnd), hwnd);
                        }
                    }
                }
			}

			break;
        }

        case WM_NOTIFY:
        {
            NMHDR* notify = (NMHDR*)lParam;

            switch(notify->code)
            {
                case PSN_SETACTIVE:
                {
                    
                    break;
                }

                case PSN_APPLY:
                {
                    SavePrefsValues(prefs, &currentValues);
                    break;
                }

                case PSN_KILLACTIVE:
                {
                    
                    break;
                }

                case PSN_RESET:
                {
                    SavePrefsValues(prefs, &originalValues);
                    break;
                }
            }

            break;
        }
    }

    return result;
}

static
BOOL 
CALLBACK 
PrefPage2Proc(  HWND hwnd, 
                UINT msg, 
                WPARAM wParam, 
                LPARAM lParam)
{
    UINT result = 0;
    static PROPSHEETPAGE* psp = NULL;
    static Preferences* prefs = NULL;
    static HWND hwndStreamInterval = NULL;
    static HWND hwndSaveStreams = NULL;
    static HWND hwndSaveStreamsDirectory = NULL;
    static HWND hwndBrowse = NULL;
    static HWND hwndSaveLocationText = NULL;
    static HWND hwndUseProxyServer = NULL;
    static HWND hwndProxyServerAddress = NULL;
    static HWND hwndProxyServerPort = NULL;
    static HWND hwndProxyServerAddressText = NULL;
    static HWND hwndProxyServerPortText = NULL;
    static HWND hwndColon = NULL;

    static HWND hwndUseAlternateIP = NULL;
    static HWND hwndUseAlternateIPText = NULL;
    static HWND hwndAlternateIPAddress1 = NULL;
    static HWND hwndAlternateIPAddress2 = NULL;
    static HWND hwndAlternateIPAddress3 = NULL;
    static HWND hwndAlternateIPAddress4 = NULL;
    static HWND hwndPeriod1 = NULL;
    static HWND hwndPeriod2 = NULL;
    static HWND hwndPeriod3 = NULL;
   
    switch(msg)
    {
        case WM_INITDIALOG:
        {
            // remember these for later...
            psp = (PROPSHEETPAGE*)lParam;
            prefs = (Preferences*)psp->lParam;

            // get the handles to all our controls
            hwndStreamInterval = GetDlgItem(hwnd, IDC_STREAM_INTERVAL);

            hwndSaveStreams = GetDlgItem(hwnd, IDC_SAVESTREAMS);
            hwndSaveStreamsDirectory = GetDlgItem(hwnd, IDC_STREAMSAVEDIR);
            hwndBrowse = GetDlgItem(hwnd, IDC_BROWSE);
            hwndSaveLocationText = GetDlgItem(hwnd, IDC_SAVELOCATION_TEXT);

            hwndUseProxyServer = GetDlgItem(hwnd, IDC_USEPROXY);
            hwndProxyServerAddress = GetDlgItem(hwnd, IDC_PROXYADDRESS);
            hwndProxyServerAddressText = GetDlgItem(hwnd, IDC_PROXYADDRESS_TEXT);
            hwndProxyServerPort = GetDlgItem(hwnd, IDC_PORT);
            hwndProxyServerPortText = GetDlgItem(hwnd, IDC_PORT_TEXT);
            hwndColon = GetDlgItem(hwnd, IDC_COLON_TEXT);

            hwndUseAlternateIP = GetDlgItem(hwnd, IDC_USETHISIP);
            hwndUseAlternateIPText = GetDlgItem(hwnd, IDC_IPADDRESS_TEXT);
            hwndAlternateIPAddress1 = GetDlgItem(hwnd, IDC_IPADDRESS1);
            hwndAlternateIPAddress2 = GetDlgItem(hwnd, IDC_IPADDRESS2);
            hwndAlternateIPAddress3 = GetDlgItem(hwnd, IDC_IPADDRESS3);
            hwndAlternateIPAddress4 = GetDlgItem(hwnd, IDC_IPADDRESS4);
            hwndPeriod1 = GetDlgItem(hwnd, IDC_PERIOD1);
            hwndPeriod2 = GetDlgItem(hwnd, IDC_PERIOD2);
            hwndPeriod3 = GetDlgItem(hwnd, IDC_PERIOD3);
   

            // initialize our controls
            int32 value;
            char temp[256];

            value = originalValues.streamInterval;
            sprintf(temp, "%d", value);
            Edit_LimitText(hwndStreamInterval, 2);
            Edit_SetText(hwndStreamInterval, temp);
            
            Button_SetCheck(hwndSaveStreams, originalValues.saveStreams);


            Edit_SetText(   hwndSaveStreamsDirectory, 
                            originalValues.saveStreamsDirectory);

            Button_Enable(  hwndSaveStreamsDirectory, 
                            originalValues.saveStreams);

            Button_Enable(  hwndBrowse, 
                            originalValues.saveStreams);

            Button_Enable(  hwndSaveLocationText,
                            originalValues.saveStreams);

            char* port = NULL;

            strcpy(temp, originalValues.proxyServer);
            port = strrchr(temp, ':');

            if(port)
            {
                *port = 0x00;
                port++;

                Edit_SetText(hwndProxyServerPort, 
                             port);

            }

            Edit_SetText(   hwndProxyServerAddress, 
                            temp);

            Edit_LimitText(hwndProxyServerPort, 5);


            Button_SetCheck(hwndUseProxyServer, originalValues.useProxyServer);


            Button_Enable(  hwndProxyServerAddress, 
                            originalValues.useProxyServer);

            Button_Enable(  hwndProxyServerAddressText, 
                            originalValues.useProxyServer);

            Button_Enable(  hwndProxyServerPort,
                            originalValues.useProxyServer);

            Button_Enable(  hwndProxyServerPortText, 
                            originalValues.useProxyServer);

            Button_Enable(  hwndColon, 
                            originalValues.useProxyServer);

            char* dot = NULL;
            char* ip[4];
            int32 i = 1;

            strcpy(temp, originalValues.alternateIP);
            ip[0] = temp;
            dot = temp;

            while(dot = strchr(dot, '.'))
            {
                *dot = 0x00;
                ip[i++] = ++dot;
            }

            Edit_SetText(hwndAlternateIPAddress1, ip[0]);
            Edit_SetText(hwndAlternateIPAddress2, ip[1]);
            Edit_SetText(hwndAlternateIPAddress3, ip[2]);
            Edit_SetText(hwndAlternateIPAddress4, ip[3]);

            Edit_LimitText(hwndAlternateIPAddress1, 3);
            Edit_LimitText(hwndAlternateIPAddress2, 3);
            Edit_LimitText(hwndAlternateIPAddress3, 3);
            Edit_LimitText(hwndAlternateIPAddress4, 3);

            Button_SetCheck(hwndUseAlternateIP, originalValues.useAlternateIP);


            Button_Enable(  hwndUseAlternateIPText, 
                            originalValues.useAlternateIP);

            Button_Enable(  hwndAlternateIPAddress1,
                            originalValues.useAlternateIP);

            Button_Enable(  hwndPeriod1, 
                            originalValues.useAlternateIP);

            Button_Enable(  hwndAlternateIPAddress2, 
                            originalValues.useAlternateIP);

            Button_Enable(  hwndPeriod2, 
                            originalValues.useAlternateIP);

            Button_Enable(  hwndAlternateIPAddress3, 
                            originalValues.useAlternateIP);

            Button_Enable(  hwndPeriod3, 
                            originalValues.useAlternateIP);

            Button_Enable(  hwndAlternateIPAddress4, 
                            originalValues.useAlternateIP);

            
            break;
        }

        case WM_COMMAND:
        {
            switch(LOWORD(wParam))
            {
                case IDC_STREAM_INTERVAL:
                {
                    if(HIWORD(wParam) == EN_CHANGE)
                    {
                        char text[128];

                        Edit_GetText(hwndStreamInterval, text, sizeof(text));

                        currentValues.streamInterval = atoi(text);

                        if(memcmp(  &originalValues, 
                                    &currentValues, 
                                    sizeof(PrefsStruct)))
                        {
                            PropSheet_Changed(GetParent(hwnd), hwnd);
                        }
                        else
                        {
                            PropSheet_UnChanged(GetParent(hwnd), hwnd);
                        }
                    }

                    break;
                }

                case IDC_SAVESTREAMS:
                {
                    BOOL enabled;

                    if(Button_GetCheck(hwndSaveStreams) == BST_CHECKED)
                    {
                        currentValues.saveStreams = true;
                    }