?? unit_main.pas

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//******************************************************************************
//                                 模塊簡介                                   //
//    本模塊封裝了Delphi編程過程中的許多函數和Windows API函數有數學,字符,     //
//多媒體等方方面面.通過調用本模塊能加速您的程序開發速度.本模塊是我多年的      //
//編程技巧總結并且沒有任何限制喜歡的朋友可以任意使用和傳遞復制.               //
//                                                   作者:朱曉磊 2002.04.06   //
//******************************************************************************

unit Unit_Main;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, ExtCtrls, PubUnit, Buttons, jpeg, Menus, CheckLst, ExtDlgs,
  MPlayer;

type
  TFrm_Main = class(TForm)
    Panel_Main: TPanel;
    Label1: TLabel;
    Label2: TLabel;
    FreqLabel: TLabel;
    LengthLabel: TLabel;
    Panel_Biao: TPanel;
    OpenDialog_S: TOpenDialog;
    OpenBtn: TSpeedButton;
    PlayBtn: TSpeedButton;
    PauseBtn: TSpeedButton;
    StopBtn: TSpeedButton;
    ExitBtn: TSpeedButton;
    OpenDialog_M: TOpenDialog;
    Image_bmp: TImage;
    Sp_Xia: TSpeedButton;
    Sp_Shang: TSpeedButton;
    Panel_JinDu: TPanel;
    Shape1: TShape;
    Panel_QuMu: TPanel;
    Panel_Curent: TPanel;
    Panel_Sum: TPanel;
    Panel5: TPanel;
    Panel6: TPanel;
    Panel_JDZSK: TPanel;
    Timer_JinDu: TTimer;
    Button1: TButton;
    Button_XunHuan: TBitBtn;
    Panel_SoundX: TPanel;
    Splitter_Sound: TSplitter;
    Panel_SoundD: TPanel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Image_Help: TImage;
    Button_List: TButton;
    Button_Work: TButton;
    PopupMenu: TPopupMenu;
    Menu_OpenS: TMenuItem;
    Menu_OpenM: TMenuItem;
    N3: TMenuItem;
    N6: TMenuItem;
    Menu_XiaPlay: TMenuItem;
    Menu_ShangPlay: TMenuItem;
    N9: TMenuItem;
    Menu_Sound: TMenuItem;
    N11: TMenuItem;
    Menu_Exit: TMenuItem;
    Menu_WinGuan: TMenuItem;
    Menu_OpenList: TMenuItem;
    Menu_ClostList: TMenuItem;
    N15: TMenuItem;
    Menu_OpenWork: TMenuItem;
    Menu_ClostWork: TMenuItem;
    N18: TMenuItem;
    Menu_Help: TMenuItem;
    N20: TMenuItem;
    Menu_FormTop: TMenuItem;
    Panel_Left: TPanel;
    Panel_Right: TPanel;
    Panel_Model: TPanel;
    Menu_Left: TMenuItem;
    Menu_Model: TMenuItem;
    Menu_Right: TMenuItem;
    N26: TMenuItem;
    Menu_SoundAdd: TMenuItem;
    Menu_SoundDel: TMenuItem;
    CheckListBox: TCheckListBox;
    Menu_MixWindow: TMenuItem;
    N22: TMenuItem;
    Menu_CDOpen: TMenuItem;
    Menu_CDClose: TMenuItem;
    N4: TMenuItem;
    Menu_Pluse: TMenuItem;
    Menu_FormNorml: TMenuItem;
    N2: TMenuItem;
    Menu_SoundConf: TMenuItem;
    Menu_Picture: TMenuItem;
    OpenPictureDialog: TOpenPictureDialog;
    Menu_SoundOffOn: TMenuItem;
    Menu_StatePlay: TMenuItem;
    Menu_NoXuan: TMenuItem;
    Menu_XunHuan: TMenuItem;
    Menu_Play: TMenuItem;
    Menu_Pause: TMenuItem;
    N10: TMenuItem;
    Menu_Roundom: TMenuItem;
    Menu_ShunXu: TMenuItem;
    N16: TMenuItem;
    Menu_WinShun: TMenuItem;
    Menu_ZPPL: TMenuItem;
    Menu_DPPL: TMenuItem;
    Menu_YCPL: TMenuItem;
    Menu_CDPL: TMenuItem;
    Timer_Mouse: TTimer;
    N7: TMenuItem;
    Menu_Move: TMenuItem;
    Menu_NoMove: TMenuItem;
    N8: TMenuItem;
    Menu_China: TMenuItem;
    Menu_English: TMenuItem;
    Menu_VCD: TMenuItem;
    Menu_VcdOpen: TMenuItem;
    N5: TMenuItem;
    Menu_VcdPause: TMenuItem;
    Menu_VcdPlay: TMenuItem;
    Menu_VcdFrowd: TMenuItem;
    Menu_VcdBack: TMenuItem;
    N19: TMenuItem;
    Menu_VcdFull: TMenuItem;
    Menu_VcdNorml: TMenuItem;
    DlgOpen_VCD: TOpenDialog;
    MediaPlayer: TMediaPlayer;
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure OpenBtnClick(Sender: TObject);
    procedure PlayBtnClick(Sender: TObject);
    procedure PauseBtnClick(Sender: TObject);
    procedure StopBtnClick(Sender: TObject);
    procedure ExitBtnClick(Sender: TObject);
    procedure Timer_JinDuTimer(Sender: TObject);
    procedure Button_XunHuanClick(Sender: TObject);
    procedure Panel_SoundXClick(Sender: TObject);
    procedure Panel_SoundDClick(Sender: TObject);
    procedure Button_ListClick(Sender: TObject);
    procedure Button_WorkClick(Sender: TObject);
    procedure Image_HelpClick(Sender: TObject);
    procedure Menu_ExitClick(Sender: TObject);
    procedure Menu_OpenSClick(Sender: TObject);
    procedure Panel_ModelClick(Sender: TObject);
    procedure Panel_LeftClick(Sender: TObject);
    procedure Panel_RightClick(Sender: TObject);
    procedure SetWave();
    procedure Menu_LeftClick(Sender: TObject);
    procedure Menu_ModelClick(Sender: TObject);
    procedure Menu_RightClick(Sender: TObject);
    procedure Menu_SoundAddClick(Sender: TObject);
    procedure Menu_SoundDelClick(Sender: TObject);
    procedure Play_Sounder(File_Name:String);
    procedure Menu_MixWindowClick(Sender: TObject);
    procedure Menu_CDOpenClick(Sender: TObject);
    procedure Menu_CDCloseClick(Sender: TObject);
    procedure Menu_HelpClick(Sender: TObject);
    procedure Menu_PlayClick(Sender: TObject);
    procedure Menu_PauseClick(Sender: TObject);
    procedure Menu_SoundOffOnClick(Sender: TObject);
    procedure Menu_PluseClick(Sender: TObject);
    procedure Menu_SuiJiClick(Sender: TObject);
    procedure Menu_DanSeClick(Sender: TObject);
    procedure Menu_DaiClick(Sender: TObject);
    procedure Menu_YeClick(Sender: TObject);
    procedure Menu_OpenMClick(Sender: TObject);
    procedure Menu_OpenListClick(Sender: TObject);
    procedure Menu_ClostListClick(Sender: TObject);
    procedure Menu_OpenWorkClick(Sender: TObject);
    procedure Menu_ClostWorkClick(Sender: TObject);
    procedure Menu_FormTopClick(Sender: TObject);
    procedure Menu_FormNormlClick(Sender: TObject);
    procedure Menu_SoundConfClick(Sender: TObject);
    procedure user_sysmenu(var msg:twmmenuselect); Message   WM_SYSCOMMAND;
    procedure wmnchittest(var msg:twmnchittest); message wm_nchittest;
    procedure Menu_PictureClick(Sender: TObject);
    procedure Menu_NoXuanClick(Sender: TObject);
    procedure Menu_XunHuanClick(Sender: TObject);
    procedure Menu_RoundomClick(Sender: TObject);
    procedure Menu_ShunXuClick(Sender: TObject);
    procedure Menu_ZPPLClick(Sender: TObject);
    procedure Menu_DPPLClick(Sender: TObject);
    procedure Menu_YCPLClick(Sender: TObject);
    procedure Menu_CDPLClick(Sender: TObject);
    procedure Menu_XiaPlayClick(Sender: TObject);
    procedure Menu_ShangPlayClick(Sender: TObject);
    procedure Sp_XiaClick(Sender: TObject);
    procedure Sp_ShangClick(Sender: TObject);
    procedure FormMouseDown(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure Image_bmpMouseDown(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure Image_bmpMouseUp(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure Timer_MouseTimer(Sender: TObject);
    procedure Mous_Down();
    procedure Mous_up();
    procedure Panel_BiaoMouseDown(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure Panel_BiaoMouseUp(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure Panel_JinDuMouseUp(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure Panel_JinDuMouseDown(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure Panel_QuMuMouseDown(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure Panel_QuMuMouseUp(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure Menu_MoveClick(Sender: TObject);
    procedure Menu_NoMoveClick(Sender: TObject);
    procedure Menu_EnglishClick(Sender: TObject);
    procedure Menu_ChinaClick(Sender: TObject);
    procedure Menu_VcdOpenClick(Sender: TObject);
    procedure Menu_VcdPauseClick(Sender: TObject);
    procedure Menu_VcdPlayClick(Sender: TObject);
    procedure Menu_VcdFrowdClick(Sender: TObject);
    procedure Menu_VcdBackClick(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure Menu_VcdFullClick(Sender: TObject);
    procedure Menu_VcdNormlClick(Sender: TObject);

  private
    { Private declarations }
  public
    { Public declarations }
    Play_Stop:Boolean;
    Length_Miao:Integer;
    Length_Play:Integer;
    Xun_Huan:Boolean;
    List_Boot:Boolean;
    Work_Boot:Boolean;
    Sound_OffOn:Boolean;
    Sys_Menu_Int:Integer;
    Roundom_Play:Boolean;
    Mouse_Down:Boolean;
    Move_OffOn:Boolean;
    VCD_Play:Boolean;
    VCD_Full:Boolean;
  end;

var
  Frm_Main: TFrm_Main;

implementation

uses Unit_List, Unit_Work, Unit_Help, Unit_Pluse, Unit_Play, Unit_Full;

{$R *.DFM}

        function pvInitMp3(hInstance, hWnd, DisplayW, DisplayH, bands: integer): integer; stdcall; external 'pvmp3.dll';
        //free. MUST call this before exit
        procedure pvFreeMp3; stdcall; external 'pvmp3.dll';
        //get the frequence and length of mp3
        procedure pvGetMp3Info(pFileName: PChar; pFreq, pLen: pointer); stdcall; external 'pvmp3.dll';
        //play mp3
        function pvPlayMp3(pFileName: PChar): integer; stdcall; external 'pvmp3.dll';
        //stop mp3
        procedure pvStopMp3; stdcall; external 'pvmp3.dll';
        //pasue mp3
        procedure pvPauseMp3; stdcall; external 'pvmp3.dll';
        //resume mp3
        procedure pvResumeMp3; stdcall; external 'pvmp3.dll';


procedure TFrm_Main.FormCreate(Sender: TObject);
begin
try
  pvInitMp3(hInstance, Panel_Biao.Handle, Panel_Biao.Width, Panel_Biao.Height, 32);

  Sys_Menu_Int:=Windows.GetSystemMenu(Handle,False);
  Windows.AppendMenu(Sys_Menu_Int,MF_STRING,100,'作者:朱曉磊');
except
     exit;
   end;
end;

procedure TFrm_Main.FormDestroy(Sender: TObject);
begin
try
  pvFreeMp3;
except
     exit;
   end;
end;

procedure TFrm_Main.OpenBtnClick(Sender: TObject);
begin
try
     Frm_Main.OpenDialog_S.Title := Frm_Main.Caption;

  if Frm_Main.OpenDialog_S.Execute then
     begin
      Frm_Main.Play_Sounder(Frm_Main.OpenDialog_S.FileName);
      Frm_Main.CheckListBox.Items.Add(Frm_Main.OpenDialog_S.FileName);
      Frm_Main.CheckListBox.ItemIndex := Frm_Main.CheckListBox.Items.Count -1 ;
      end;
      if Frm_Main.List_Boot = True then
          begin
          Frm_List.CheckListBox.Items.Add(Frm_Main.OpenDialog_S.FileName);
          Frm_List.CheckListBox.ItemIndex := Frm_Main.CheckListBox.ItemIndex;
          end;

except
     exit;
end;
end;

procedure TFrm_Main.PlayBtnClick(Sender: TObject);
begin
try
  Frm_Main.Play_Sounder(Frm_Main.CheckListBox.Items.Strings[Frm_Main.CheckListBox.ItemIndex]);
  PauseBtn.tag := 0;
  PauseBtn.Caption := '||';
  Frm_Main.Play_Stop := True;
  Frm_Main.Length_Play :=0;
  Frm_Main.Timer_JinDu.Enabled := True;
except
     exit;
   end;
end;

procedure TFrm_Main.PauseBtnClick(Sender: TObject);
begin
try
if PauseBtn.tag=0 then
  begin
    PauseBtn.tag := 1;
    PauseBtn.Caption := '=>';
    Frm_Main.Play_Stop := False;
    Frm_Main.Timer_JinDu.Enabled := False;
    Frm_Main.PauseBtn.Hint :='繼續';
    pvPauseMp3;
  end else begin
    PauseBtn.tag := 0;
    PauseBtn.Caption := '||';
    Frm_Main.Play_Stop :=True;
    Frm_Main.Timer_JinDu.Enabled := True;
    Frm_Main.PauseBtn.Hint :='暫停';
    pvResumeMp3;
  end;
except
     exit;
   end;
end;

procedure TFrm_Main.StopBtnClick(Sender: TObject);
begin
try
  pvStopMp3;
  PauseBtn.tag := 0;
  PauseBtn.Caption := '||';
  Frm_Main.Timer_JinDu.Enabled := False;
except
     exit;
   end;
end;

procedure TFrm_Main.ExitBtnClick(Sender: TObject);
begin
try
      Frm_Main.Close;
except
     exit;
   end;
end;

procedure TFrm_Main.Timer_JinDuTimer(Sender: TObject);
var
     Play_Index:Integer;
begin
try
    if Frm_Main.Play_Stop = True then
       begin
            Frm_Main.Panel_JDZSK.Left :=
                    Round((Frm_Main.Panel_JinDu.Width - Frm_Main.Panel_JDZSK.Width)
                           * (Length_Play/Length_Miao));
            Frm_Main.Length_Play := Frm_Main.Length_Play +1;

            Frm_Main.Panel_Sum.Caption := IntToStr(Length_Play);
            Frm_Main.Panel_Curent.Caption := IntToStr(Length_Miao);

            if (Frm_Main.Panel_JDZSK.Left >
                    Round(Frm_Main.Panel_JinDu.Width * 0.99-Frm_Main.Panel_JDZSK.Width))and (Xun_Huan = False) then
                    if Frm_Main.CheckListBox.Items.Count <=0 then
                       Frm_Main.Play_Stop := False
                       else
                       begin
                         if Frm_Main.Roundom_Play = True then
                           begin
                               Play_Index:= Round(Random(Frm_Main.CheckListBox.Items.Count));
                               Frm_Main.Play_Sounder(Frm_Main.CheckListBox.Items.Strings[Play_Index]);
                               Frm_Main.CheckListBox.ItemIndex := Play_Index;
                            if Frm_Main.List_Boot = True then
                               Frm_List.CheckListBox.ItemIndex := Frm_Main.CheckListBox.ItemIndex;
                           end;
                          if Frm_Main.Roundom_Play = False then
                             begin
                                if  Frm_Main.CheckListBox.ItemIndex < Frm_Main.CheckListBox.Items.Count -1 then
                                    Play_Index:=Frm_Main.CheckListBox.ItemIndex+1
                                 else
                                        Play_Index:=0;

                                         Frm_Main.Play_Sounder(Frm_Main.CheckListBox.Items.Strings[Play_Index]);
                                         Frm_Main.CheckListBox.ItemIndex := Play_Index;
                                          if Frm_Main.List_Boot = True then
                                             Frm_List.CheckListBox.ItemIndex := Frm_Main.CheckListBox.ItemIndex;
                             end;

                       end;

           if (Frm_Main.Panel_JDZSK.Left >
                    Round((Frm_Main.Panel_JinDu.Width - Frm_Main.Panel_JDZSK.Width) * (0.98)))and (Xun_Huan = True) then
                    begin
                         Frm_Main.Play_Stop := True;
                         Frm_Main.Play_Sounder(Frm_Main.CheckListBox.Items.Strings[Frm_Main.CheckListBox.ItemIndex]);
                    end;

       end;
except
     exit;
   end;
end;

procedure TFrm_Main.Button_XunHuanClick(Sender: TObject);
begin
try
   if  Xun_Huan = False then
        begin
            Frm_Main.Panel_JinDu.Color := clBlue;
            Frm_Main.Xun_Huan := True;
            Frm_Main.Button_XunHuan.Font.Color := clRed;
            Frm_Main.Button_XunHuan.Hint :='取消循環';
        end
   else
        begin
            Frm_Main.Panel_JinDu.Color := clBlack;
            Frm_Main.Xun_Huan := False;
            Frm_Main.Button_XunHuan.Font.Color := clBlue;
            Frm_Main.Button_XunHuan.Hint :='循環播放';
        end;
except
     exit;
   end;
end;

procedure TFrm_Main.Panel_SoundXClick(Sender: TObject);
begin
try
if Frm_Main.Splitter_Sound.Left <=65 then
   begin
     Frm_Main.Panel_SoundX.Width := Frm_Main.Panel_SoundX.Width+10;
     if Frm_Main.Splitter_Sound.Left >65 then
        Frm_Main.Panel_SoundX.Width:=65;
   end;

     Frm_Main.SetWave();
except
     exit;
   end;
end;

procedure TFrm_Main.Panel_SoundDClick(Sender: TObject);
begin
try
if Frm_Main.Splitter_Sound.Left >=10 then
   begin
     Frm_Main.Panel_SoundX.Width := Frm_Main.Panel_SoundX.Width -10;
     if Frm_Main.Splitter_Sound.Left <10 then
        Frm_Main.Panel_SoundX.Width :=0;
   end;

     Frm_Main.SetWave();
except
     exit;
   end;
end;

procedure TFrm_Main.Button_ListClick(Sender: TObject);
begin
try
if Frm_Main.List_Boot = False then
   begin
      Frm_List:=TFrm_List.Create(self);
      Frm_List.Left :=Round(Frm_Main.Left - Frm_Main.Width /2);
      Frm_List.Top := Frm_Main.Top + Frm_Main.Height ;
      Frm_List.CheckListBox.Items:=Frm_Main.CheckListBox.Items;
      Frm_List.CheckListBox.ItemIndex:=Frm_Main.CheckListBox.ItemIndex;
      Frm_List.Image.Picture := Frm_Main.Image_bmp.Picture;
      Frm_Main.List_Boot := True;
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