bsdialogs.pas

一个用Delpi写的视频聊天的SDK

  BSF.AlphaBlendValue := AlphaBlendValue;

  try

  with Form do
  begin
    Canvas.Font := Font;
    DialogUnits := GetAveCharSize(Canvas);
    ClientWidth := MulDiv(180, DialogUnits.X, 4);
  end;

  Prompt := TbsSkinStdLabel.Create(Form);
  with Prompt do
  begin
    Parent := Form;
    Left := MulDiv(8, DialogUnits.X, 4);
    Top := MulDiv(8, DialogUnits.Y, 8);
    Constraints.MaxWidth := MulDiv(164, DialogUnits.X, 4);
    WordWrap := False;
    DefaultFont := DefaultLabelFont;
    UseSkinFont := Self.UseSkinFont;
    SkinDataName := FLabelSkinDataName;
    SkinData := CtrlSkinData;
    Caption := APrompt;
  end;

  Edit := TbsSkinEdit.Create(Form);
  with Edit do
  begin
    Parent := Form;
    OnKeyDown := EditKeydown;
    DefaultFont := DefaultEditFont;
    UseSkinFont := Self.UseSkinFont;
    Left := Prompt.Left;
    Top := Prompt.Top + Prompt.Height + 5;
    DefaultWidth := MulDiv(164, DialogUnits.X, 4);
    MaxLength := 255;
    Text := Value;
    SelectAll;
    SkinDataName := FEditSkinDataName;
    SkinData := CtrlSkinData;
  end;

  ButtonTop := Edit.Top + Edit.Height + 15;
  ButtonWidth := MulDiv(50, DialogUnits.X, 4);
  ButtonHeight := MulDiv(14, DialogUnits.Y, 8);

  with TbsSkinButton.Create(Form) do
  begin
    Parent := Form;
    DefaultFont := DefaultButtonFont;
    UseSkinFont := Self.UseSkinFont;
    if (CtrlSkinData <> nil) and (CtrlSkinData.ResourceStrData <> nil)
    then
      Caption := CtrlSkinData.ResourceStrData.GetResStr('MSG_BTN_OK')
    else
      Caption := BS_MSG_BTN_OK;
    ModalResult := mrOk;
    Default := True;
    SetBounds(MulDiv(38, DialogUnits.X, 4), ButtonTop, ButtonWidth,
              ButtonHeight);
    DefaultHeight := ButtonHeight;
    SkinDataName := FButtonSkinDataName;
    SkinData := CtrlSkinData;
  end;

  with TbsSkinButton.Create(Form) do
  begin
    Parent := Form;
    DefaultFont := DefaultButtonFont;
    UseSkinFont := Self.UseSkinFont;
    if (CtrlSkinData <> nil) and (CtrlSkinData.ResourceStrData <> nil)
    then
      Caption := CtrlSkinData.ResourceStrData.GetResStr('MSG_BTN_CANCEL')
    else
      Caption := BS_MSG_BTN_CANCEL;
    ModalResult := mrCancel;
    Cancel := True;
    SetBounds(MulDiv(92, DialogUnits.X, 4), Edit.Top + Edit.Height + 15,
              ButtonWidth, ButtonHeight);
    DefaultHeight := ButtonHeight;
    SkinDataName := FButtonSkinDataName;
    SkinData := CtrlSkinData;
    Form.ClientHeight := Top + Height + 13;
  end;

  if Form.ShowModal = mrOk
  then
    begin
      Value := Edit.Text;
      Result := True;
    end
  else
    Result := False;

  finally
    Form.Free;
  end;
end;

function TbsSkinInputDialog.InputBox(const ACaption, APrompt, ADefault: string): string;
begin
  Result := ADefault;
  InputQuery(ACaption, APrompt, Result);
end;

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

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

  LoginMode := False;

  FCaption := 'Password';

  FPasswordCaption := 'Password:';
  FPassword := '';

  FLoginCaption := 'Login name:';
  FLogin := '';

  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 TbsSkinPasswordDialog.Destroy;
begin
  FDefaultLabelFont.Free;
  FDefaultButtonFont.Free;
  FDefaultEditFont.Free;
  inherited;
end;

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

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

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

procedure TbsSkinPasswordDialog.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 TbsSkinPasswordDialog.Execute: Boolean;
var
  Form: TForm;
  BSF: TbsBusinessSkinForm;
  Image: TImage;
  LoginLabel, PasswordLabel: TbsSkinStdLabel;
  LoginEdit:  TbsSkinEdit;
  PasswordEdit: TbsSkinPasswordEdit;
  DialogUnits: TPoint;
  ButtonTop, ButtonWidth, ButtonHeight: Integer;
  LeftOffset: Integer;
begin
  Form := TForm.Create(Application);
  Form.BorderStyle := bsDialog;
  Form.Caption := FCaption;
  Form.Position := poScreenCenter;
  BSF := TbsBusinessSkinForm.Create(Form);
  BSF.BorderIcons := [];
  BSF.SkinData := SkinData;
  BSF.MenusSkinData := CtrlSkinData;
  BSF.AlphaBlend := AlphaBlend;
  BSF.AlphaBlendAnimation := AlphaBlendAnimation;
  BSF.AlphaBlendValue := AlphaBlendValue;

  try

  with Form do
  begin
    Canvas.Font := Font;
    DialogUnits := GetAveCharSize(Canvas);

    Image := TImage.Create(Form);

    with Image do
    begin
      Parent := Form;
      Top := MulDiv(8, DialogUnits.Y, 8);
      Left := MulDiv(8, DialogUnits.X, 4);
      AutoSize := True;
      Transparent := True;
      Picture.Bitmap.Handle := LoadBitMap(HInstance, 'BS_KEY');
    end;

    LeftOffset := Image.Width + Image.Left;

    ClientWidth := LeftOffset + MulDiv(180, DialogUnits.X, 4);
  end;

  if FLoginMode
  then
    begin
      LoginLabel := TbsSkinStdLabel.Create(Form);
      with LoginLabel do
      begin
        Parent := Form;
        Left := LeftOffset + MulDiv(8, DialogUnits.X, 4);
        Top := MulDiv(8, DialogUnits.Y, 8);
        Constraints.MaxWidth := MulDiv(164, DialogUnits.X, 4);
        DefaultFont := DefaultLabelFont;
        UseSkinFont := Self.UseSkinFont;
        SkinDataName := FLabelSkinDataName;
        SkinData := CtrlSkinData;
        Caption := FLoginCaption;
      end;

      LoginEdit := TbsSkinMaskEdit.Create(Form);
      with LoginEdit do
      begin
         Parent := Form;
         DefaultFont := DefaultEditFont;
         UseSkinFont := Self.UseSkinFont;
         Left := LoginLabel.Left;
         Top := LoginLabel.Top + LoginLabel.Height + 5;
         DefaultWidth := MulDiv(164, DialogUnits.X, 4);
         MaxLength := 255;
         Text := FLogin;
         SelectAll;
         SkinDataName := FEditSkinDataName;
         SkinData := CtrlSkinData;
       end;
    end;

  PasswordLabel := TbsSkinStdLabel.Create(Form);
  with PasswordLabel do
  begin
    Parent := Form;
    Left := LeftOffset + MulDiv(8, DialogUnits.X, 4);
    if FLoginMode and (LoginEdit <> nil)
    then
      Top := LoginEdit.Top + LoginEdit.Height + 5
    else
      Top := MulDiv(8, DialogUnits.Y, 8);
    Constraints.MaxWidth := MulDiv(164, DialogUnits.X, 4);
    DefaultFont := DefaultLabelFont;
    UseSkinFont := Self.UseSkinFont;
    SkinDataName := FLabelSkinDataName;
    SkinData := CtrlSkinData;
    Caption := FPasswordCaption;
  end;

  PasswordEdit := TbsSkinPasswordEdit.Create(Form);
  with PasswordEdit do
  begin
    Parent := Form;
    PasswordKind := Self.PasswordKind;
    DefaultFont := DefaultEditFont;
    UseSkinFont := Self.UseSkinFont;
    Left := PasswordLabel.Left;
    Top := PasswordLabel.Top + PasswordLabel.Height + 5;
    DefaultWidth := MulDiv(164, DialogUnits.X, 4);
    MaxLength := 255;
    Text := FPassword;
    SelectAll;
    SkinDataName := FEditSkinDataName;
    SkinData := CtrlSkinData;
  end;

  ButtonTop := PasswordEdit.Top + PasswordEdit.Height + 15;
  ButtonWidth := MulDiv(50, DialogUnits.X, 4);
  ButtonHeight := MulDiv(14, DialogUnits.Y, 8);

  with TbsSkinButton.Create(Form) do
  begin
    Parent := Form;
    DefaultFont := DefaultButtonFont;
    UseSkinFont := Self.UseSkinFont;
    if (CtrlSkinData <> nil) and (CtrlSkinData.ResourceStrData <> nil)
    then
      Caption := CtrlSkinData.ResourceStrData.GetResStr('MSG_BTN_OK')
    else
      Caption := BS_MSG_BTN_OK;
    ModalResult := mrOk;
    Default := True;
    SetBounds(LeftOffset + MulDiv(38, DialogUnits.X, 4), ButtonTop, ButtonWidth,
              ButtonHeight);
    DefaultHeight := ButtonHeight;
    SkinDataName := FButtonSkinDataName;
    SkinData := CtrlSkinData;
  end;

  with TbsSkinButton.Create(Form) do
  begin
    Parent := Form;
    DefaultFont := DefaultButtonFont;
    UseSkinFont := Self.UseSkinFont;
    if (CtrlSkinData <> nil) and (CtrlSkinData.ResourceStrData <> nil)
    then
      Caption := CtrlSkinData.ResourceStrData.GetResStr('MSG_BTN_CANCEL')
    else
      Caption := BS_MSG_BTN_CANCEL;
    ModalResult := mrCancel;
    Cancel := True;
    SetBounds(LeftOffset + MulDiv(92, DialogUnits.X, 4), PasswordEdit.Top + PasswordEdit.Height + 15,
              ButtonWidth, ButtonHeight);
    DefaultHeight := ButtonHeight;
    SkinDataName := FButtonSkinDataName;
    SkinData := CtrlSkinData;
    Form.ClientHeight := Top + Height + 13;
    Image.Top := Form.ClientHeight div 2 - Image.Height div 2; 
  end;

  if Form.ShowModal = mrOk
  then
    begin
      if FLoginMode then FLogin := LoginEdit.Text;
      FPassword := PasswordEdit.Text;
      Result := True;
    end
  else
    Result := False;

  finally
    Form.Free;
  end;
end;


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

  FShowType := stStayOnTop;

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

  Form := nil;
  Gauge := nil;
  FExecute := False;

  FMinValue := 0;
  FMaxValue := 100;
  FValue := 0;

  FCaption := 'Process';
  FLabelCaption := 'Name of process:';
  FShowPercent := True;

  FButtonSkinDataName := 'button';
  FLabelSkinDataName := 'stdlabel';
  FGaugeSkinDataName := 'gauge';

  FDefaultLabelFont := TFont.Create;
  FDefaultButtonFont := TFont.Create;
  FDefaultGaugeFont := 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 FDefaultGaugeFont do
  begin
    Name := 'Arial';
    Style := [];
    Height := 14;
  end;
end;

destructor TbsSkinProgressDialog.Destroy;
begin
  FDefaultLabelFont.Free;
  FDefaultButtonFont.Free;
  FDefaultGaugeFont.Free;
  inherited;
end;