bsdialogs.pas

一个用Delpi写的视频聊天的SDK

    property Title: string read GetTitle write SetTitle;
  end;

  TbsSkinSelectValueDialog = class(TComponent)
  private
    procedure SetSelectValues(const Value: TStrings);
  protected
    Form: TForm;
    FSD: TbsSkinData;
    FCtrlFSD: TbsSkinData;
    FButtonSkinDataName: String;
    FSelectSkinDataName: String;
    FLabelSkinDataName: String;
    FDefaultLabelFont: TFont;
    FDefaultSelectFont: TFont;
    FDefaultButtonFont: TFont;
    FDefaultValueIndex: Integer;
    FSelectValues: TStrings;
    FAlphaBlend: Boolean;
    FAlphaBlendValue: Byte;
    FAlphaBlendAnimation: Boolean;
    FUseSkinFont: Boolean;
    procedure SetDefaultLabelFont(Value: TFont);
    procedure SetDefaultButtonFont(Value: TFont);
    procedure SetDefaultSelectFont(Value: TFont);
    procedure Notification(AComponent: TComponent;  Operation: TOperation); override;
  public
    function Execute(const ACaption, APrompt: string; var ValueIndex: Integer): Boolean;
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
  published
    property AlphaBlend: Boolean read FAlphaBlend write FAlphaBlend;
    property AlphaBlendValue: Byte read FAlphaBlendValue write FAlphaBlendValue;
    property AlphaBlendAnimation: Boolean
      read FAlphaBlendAnimation write FAlphaBlendAnimation;
    property SkinData: TbsSkinData read FSD write FSD;
    property CtrlSkinData: TbsSkinData read FCtrlFSD write FCtrlFSD;
    property ButtonSkinDataName: String read FButtonSkinDataName write FButtonSkinDataName;
    property LabelSkinDataName: String read FLabelSkinDataName write FLabelSkinDataName;
    property ComboboxSkinDataName: String read FSelectSkinDataName write FSelectSkinDataName;
    property SelectValues: TStrings read FSelectValues Write SetSelectValues;
    property DefaultValue: Integer read FDefaultValueIndex Write FDefaultValueIndex;
    property DefaultLabelFont: TFont read FDefaultLabelFont write SetDefaultLabelFont;
    property DefaultButtonFont: TFont read FDefaultButtonFont write SetDefaultButtonFont;
    property DefaultComboBoxFont: TFont read FDefaultSelectFont write SetDefaultSelectFont;
    property UseSkinFont: Boolean read FUseSkinFont write FUseSkinFont;
  end;

  TbsSelectSkinsFromFoldersDlgForm = class(TForm)
  public
    FSkinsFolder: String;
    FIniFileName: String;
    BSF: TbsBusinessSkinForm;
    OpenButton, CancelButton: TbsSkinButton;
    PreviewForm: TForm;
    PreviewBSF: TbsBusinessSkinForm;
    PreviewSkinData: TbsSkinData;
    PreviewButton: TbsSkinButton;
    SkinsListBox: TbsSkinListBox;
    constructor CreateEx(AOwner: TComponent; ASkinsFolder, ADefaultSkinFolder, AIniFileName: String;
                         ACtrlSkinData: TbsSkinData);
    destructor Destroy; override;
    procedure SLBOnChange(Sender: TObject);
    procedure SLBOnDblClick(Sender: TObject);
  end;

  TbsSelectSkinsFromFoldersDialog = class(TComponent)
  private
    FSD: TbsSkinData;
    FCtrlFSD: TbsSkinData;
    FDefaultFont: TFont;
    FTitle: String;
    FDlgFrm: TbsSelectSkinsFromFoldersDlgForm;
    FAlphaBlend: Boolean;
    FAlphaBlendValue: Byte;
    FAlphaBlendAnimation: Boolean;
    FFileName: String;
    FFolderName: String;
    function GetTitle: string;
    procedure SetTitle(const Value: string);
    procedure SetDefaultFont(Value: TFont);
  protected
    procedure Notification(AComponent: TComponent;  Operation: TOperation); override;
  public
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    function Execute(ASkinsFolder, ADefaultSkinFolder, AIniFileName: String): Boolean;
    property FileName: String read FFileName;
    property FolderName: String read FFolderName;
  published
    property AlphaBlend: Boolean read FAlphaBlend write FAlphaBlend;
    property AlphaBlendValue: Byte read FAlphaBlendValue write FAlphaBlendValue;
    property AlphaBlendAnimation: Boolean
      read FAlphaBlendAnimation write FAlphaBlendAnimation;
    property SkinData: TbsSkinData read FSD write FSD;
    property CtrlSkinData: TbsSkinData read FCtrlFSD write FCtrlFSD;
    property DefaultFont: TFont read FDefaultFont write SetDefaultFont;
    property Title: string read GetTitle write SetTitle;
  end;

  TbsFindOption = (bsfrDown, bsfrFindNext, bsfrHideMatchCase, bsfrHideWholeWord,
    bsfrHideUpDown, bsfrMatchCase, bsfrDisableMatchCase, bsfrDisableUpDown,
    bsfrDisableWholeWord, bsfrReplace, bsfrReplaceAll, bsfrWholeWord);
  TbsFindOptions = set of TbsFindOption;

  TbsSkinFindDialog = class(TComponent)
  private
    FTitle: String;
    FOptions: TbsFindOptions;
    FPosition: TPoint;
    FOnFind: TNotifyEvent;
    FFindText: String;
    function GetFindText: string;
    function GetLeft: Integer;
    function GetPosition: TPoint;
    function GetTop: Integer;
    procedure SetFindText(const Value: string);
    procedure SetLeft(Value: Integer);
    procedure SetPosition(const Value: TPoint);
    procedure SetTop(Value: Integer);
    function GetTitle: string;
    procedure SetTitle(const Value: string);
    procedure MatchCaseCheckBoxClick(Sender: TObject);
    procedure MatchWWOnlyCheckBoxClick(Sender: TObject);
    procedure DirecionUpClick(Sender: TObject);
    procedure DirecionDownClick(Sender: TObject);
    procedure CloseButtonClick(Sender: TObject);
    procedure FindButtonClick(Sender: TObject);
    procedure OnFormClose(Sender: TObject; var Action: TCloseAction);
    procedure EditChange(Sender: TObject);
    procedure EditKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
  protected
    //
    Form: TForm;
    FSD: TbsSkinData;
    FCtrlFSD: TbsSkinData;
    FEdit: TbsSkinEdit;
    FDefaultLabelFont: TFont;
    FDefaultButtonFont: TFont;
    FDefaultEditFont: TFont;
    FAlphaBlend: Boolean;
    FAlphaBlendValue: Byte;
    FAlphaBlendAnimation: Boolean;
    FUseSkinFont: Boolean;
    MatchWWOnlyCheckBox, MatchCaseCheckBox: TbsSkinCheckRadioBox;
    FindButton: TbsSkinButton;
    procedure SetDefaultLabelFont(Value: TFont);
    procedure SetDefaultButtonFont(Value: TFont);
    procedure SetDefaultEditFont(Value: TFont);
    procedure Notification(AComponent: TComponent;  Operation: TOperation); override;
    //
    procedure Find; dynamic;
    //
  public
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    function Execute: Boolean;
    property Left: Integer read GetLeft write SetLeft;
    property Position: TPoint read GetPosition write SetPosition;
    property Top: Integer read GetTop write SetTop;
  published
    property FindText: string read GetFindText write SetFindText;
    property Options: TbsFindOptions read FOptions write FOptions default [bsfrDown];
    //
    property Title: string read GetTitle write SetTitle;
    property AlphaBlend: Boolean read FAlphaBlend write FAlphaBlend;
    property AlphaBlendValue: Byte read FAlphaBlendValue write FAlphaBlendValue;
    property AlphaBlendAnimation: Boolean
      read FAlphaBlendAnimation write FAlphaBlendAnimation;
    property SkinData: TbsSkinData read FSD write FSD;
    property CtrlSkinData: TbsSkinData read FCtrlFSD write FCtrlFSD;
    property DefaultLabelFont: TFont read FDefaultLabelFont write SetDefaultLabelFont;
    property DefaultButtonFont: TFont read FDefaultButtonFont write SetDefaultButtonFont;
    property DefaultEditFont: TFont read FDefaultEditFont write SetDefaultEditFont;
    property UseSkinFont: Boolean read FUseSkinFont write FUseSkinFont;
    //
    property OnFind: TNotifyEvent read FOnFind write FOnFind;
  end;

  TbsSkinReplaceDialog = class(TComponent)
  private
    FTitle: String;
    FOptions: TbsFindOptions;
    FPosition: TPoint;
    FOnFind: TNotifyEvent;
    FOnReplace: TNotifyEvent;
    FFindText: String;
    FReplaceText: String;
    function GetFindText: string;
    function GetReplaceText: string;
    function GetLeft: Integer;
    function GetPosition: TPoint;
    function GetTop: Integer;
    procedure SetFindText(const Value: string);
    procedure SetReplaceText(const Value: string);
    procedure SetLeft(Value: Integer);
    procedure SetPosition(const Value: TPoint);
    procedure SetTop(Value: Integer);
    function GetTitle: string;
    procedure SetTitle(const Value: string);
    procedure MatchCaseCheckBoxClick(Sender: TObject);
    procedure MatchWWOnlyCheckBoxClick(Sender: TObject);
    procedure DirecionUpClick(Sender: TObject);
    procedure DirecionDownClick(Sender: TObject);
    procedure CloseButtonClick(Sender: TObject);
    procedure FindButtonClick(Sender: TObject);
    procedure ReplaceButtonClick(Sender: TObject);
    procedure ReplaceAllButtonClick(Sender: TObject);
    procedure OnFormClose(Sender: TObject; var Action: TCloseAction);
    procedure EditChange(Sender: TObject);
    procedure ReplaceEditChange(Sender: TObject);
    procedure EditKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
    procedure ReplaceEditKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
  protected
    //
    Form: TForm;
    FSD: TbsSkinData;
    FCtrlFSD: TbsSkinData;
    FEdit: TbsSkinEdit;
    FReplaceEdit: TbsSkinEdit;
    FDefaultLabelFont: TFont;
    FDefaultButtonFont: TFont;
    FDefaultEditFont: TFont;
    FAlphaBlend: Boolean;
    FAlphaBlendValue: Byte;
    FAlphaBlendAnimation: Boolean;
    FUseSkinFont: Boolean;
    MatchWWOnlyCheckBox, MatchCaseCheckBox: TbsSkinCheckRadioBox;
    CloseButton, FindButton, ReplaceButton, ReplaceAllButton: TbsSkinButton;
    procedure SetDefaultLabelFont(Value: TFont);
    procedure SetDefaultButtonFont(Value: TFont);
    procedure SetDefaultEditFont(Value: TFont);
    procedure Notification(AComponent: TComponent;  Operation: TOperation); override;
    //
    procedure Find; dynamic;
    procedure Replace; dynamic;
    //
  public
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    function Execute: Boolean;
    property Left: Integer read GetLeft write SetLeft;
    property Position: TPoint read GetPosition write SetPosition;
    property Top: Integer read GetTop write SetTop;
  published
    property FindText: string read GetFindText write SetFindText;
    property ReplaceText: string read GetReplaceText write SetReplaceText;
    property Options: TbsFindOptions read FOptions write FOptions default [bsfrDown];
    //
    property Title: string read GetTitle write SetTitle;
    property AlphaBlend: Boolean read FAlphaBlend write FAlphaBlend;
    property AlphaBlendValue: Byte read FAlphaBlendValue write FAlphaBlendValue;
    property AlphaBlendAnimation: Boolean
      read FAlphaBlendAnimation write FAlphaBlendAnimation;
    property SkinData: TbsSkinData read FSD write FSD;
    property CtrlSkinData: TbsSkinData read FCtrlFSD write FCtrlFSD;
    property DefaultLabelFont: TFont read FDefaultLabelFont write SetDefaultLabelFont;
    property DefaultButtonFont: TFont read FDefaultButtonFont write SetDefaultButtonFont;
    property DefaultEditFont: TFont read FDefaultEditFont write SetDefaultEditFont;
    property UseSkinFont: Boolean read FUseSkinFont write FUseSkinFont;
    //
    property OnFind: TNotifyEvent read FOnFind write FOnFind;
    property OnReplace: TNotifyEvent read FOnReplace write FOnReplace;
  end;


implementation

{$R *.res}

Uses bsUtils, bsConst;

// script

const
  ScriptNames: array[0..18] of String =
   ('ANSI_CHARSET', 'DEFAULT_CHARSET', 'SYMBOL_CHARSET', 'SHIFTJIS_CHARSET',
    'HANGEUL_CHARSET', 'GB2312_CHARSET', 'CHINESEBIG5_CHARSET',
    'OEM_CHARSET', 'JOHAB_CHARSET', 'HEBREW_CHARSET', 'ARABIC_CHARSET',
    'GREEK_CHARSET', 'TURKISH_CHARSET', 'VIETNAMESE_CHARSET',
    'THAI_CHARSET', 'EASTEUROPE_CHARSET', 'RUSSIAN_CHARSET',
    'MAC_CHARSET', 'BALTIC_CHARSET');

  ScriptCodes: array[0..18] of TFontCharSet =
   (0, 1, 2, $80, 129, 134, 136, 255, 130, 177, 178, 161, 162, 163,
    222, 238, 204, 77, 186);


function GetIndexFromCharSet(CharSet: TFontCharSet): Integer;
var
  I: Integer;
begin
  Result := 1;
  for I := 0 to 18 do
    if CharSet =  ScriptCodes[I]
    then
      begin
        Result := I;
        Break;
      end;
end;

function GetCharSetFormIndex(Index: Integer): TFontCharSet;
begin
  if Index <> -1
  then
    Result := ScriptCodes[Index]
  else
    Result := 1;  
end;

//

constructor TbsSkinInputDialog.Create;
begin
  inherited Create(AOwner);

  FAlphaBlend := False;
  FAlphaBlendAnimation := False;
  FAlphaBlendValue := 200;

  FButtonSkinDataName := 'button';
  FLabelSkinDataName := 'stdlabel';
  FEditSkinDataName := 'edit';

  FDefaultLabelFont := TFont.Create;
  FDefaultButtonFont := TFont.Create;
  FDefaultEditFont := TFont.Create;

  FUseSkinFont := True;

  with FDefaultLabelFont do
  begin
    Name := 'Arial';
    Style := [];
    Height := 14;
  end;

  with FDefaultButtonFont do
  begin
    Name := 'Arial';
    Style := [];
    Height := 14;
  end;

  with FDefaultEditFont do
  begin
    Name := 'Arial';
    Style := [];
    Height := 14;
  end;
end;

destructor TbsSkinInputDialog.Destroy;
begin
  FDefaultLabelFont.Free;
  FDefaultButtonFont.Free;
  FDefaultEditFont.Free;
  inherited;
end;

procedure TbsSkinInputDialog.EditKeyDown;
begin
  if Key = 27
  then
    Form.ModalResult := mrCancel
  else
  if Key = 13
  then
    Form.ModalResult := mrOk;
end;

procedure TbsSkinInputDialog.SetDefaultLabelFont;
begin
  FDefaultLabelFont.Assign(Value);
end;

procedure TbsSkinInputDialog.SetDefaultEditFont;
begin
  FDefaultEditFont.Assign(Value);
end;

procedure TbsSkinInputDialog.SetDefaultButtonFont;
begin
  FDefaultButtonFont.Assign(Value);
end;

procedure TbsSkinInputDialog.Notification;
begin
  inherited Notification(AComponent, Operation);
  if (Operation = opRemove) and (AComponent = FSD) then FSD := nil;
  if (Operation = opRemove) and (AComponent = FCtrlFSD) then FCtrlFSD := nil;
end;


function GetAveCharSize(Canvas: TCanvas): TPoint;
var
  I: Integer;
  Buffer: array[0..51] of Char;
begin
  for I := 0 to 25 do Buffer[I] := Chr(I + Ord('A'));
  for I := 0 to 25 do Buffer[I + 26] := Chr(I + Ord('a'));
  GetTextExtentPoint(Canvas.Handle, Buffer, 52, TSize(Result));
  Result.X := Result.X div 52;
end;

function TbsSkinInputDialog.InputQuery(const ACaption, APrompt: string; var Value: string): Boolean;
var

  BSF: TbsBusinessSkinForm;
  Prompt: TbsSkinStdLabel;
  Edit: TbsSkinEdit;
  DialogUnits: TPoint;
  ButtonTop, ButtonWidth, ButtonHeight: Integer;
begin
  Form := TForm.Create(Application);
  Form.BorderStyle := bsDialog;
  Form.Caption := ACaption;
  Form.Position := poScreenCenter;
  BSF := TbsBusinessSkinForm.Create(Form);
  BSF.BorderIcons := [];
  BSF.SkinData := SkinData;
  BSF.MenusSkinData := CtrlSkinData;
  BSF.AlphaBlend := AlphaBlend;
  BSF.AlphaBlendAnimation := AlphaBlendAnimation;