activeformimpl1.pas

delphi老牌的浏览器控件

{*******************************************************}
{              Active   Form     Demo                   }
{  By:                                                  }
{  Eran Bodankin (bsalsa) [e-mail]             }
{                       Enjoy!                          }
{   Documentation and updated versions:                 }
{               http://www.bsalsa.com                   }
{*******************************************************}
{LICENSE:
THIS SOFTWARE IS PROVIDED TO YOU "AS IS" WITHOUT WARRANTY OF ANY KIND,
EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE APPLIED
WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
YOU ASSUME THE ENTIRE RISK AS TO THE ACCURACY AND THE USE OF THE SOFTWARE
AND ALL OTHER RISK ARISING OUT OF THE USE OR PERFORMANCE OF THIS SOFTWARE
AND DOCUMENTATION. [YOUR NAME] DOES NOT WARRANT THAT THE SOFTWARE IS ERROR-FREE
OR WILL OPERATE WITHOUT INTERRUPTION. THE SOFTWARE IS NOT DESIGNED, INTENDED
OR LICENSED FOR USE IN HAZARDOUS ENVIRONMENTS REQUIRING FAIL-SAFE CONTROLS,
INCLUDING WITHOUT LIMITATION, THE DESIGN, CONSTRUCTION, MAINTENANCE OR
OPERATION OF NUCLEAR FACILITIES, AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS,
AIR TRAFFIC CONTROL, AND LIFE SUPPORT OR WEAPONS SYSTEMS. VSOFT SPECIFICALLY
DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR SUCH PURPOSE.

You may use, change or modify the component under 4 conditions:
1. In your website, add a link to "http://www.bsalsa.com"
2. In your application, add credits to "Embedded Web Browser"
3. Mail me ([e-mail]) any code change in the unit
   for the benefit of the other users.
4. Please, consider donation in our web site!
{*******************************************************************************}

unit ActiveFormImpl1;

{$WARN SYMBOL_PLATFORM OFF}

interface

uses
   Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
   ActiveX, AxCtrls, ActiveFormProj1_TLB, StdVcl, StdCtrls, OleCtrls,
   SHDocVw_EWB, EwbCore, EmbeddedWB, IEAddress, ExtCtrls;

type
   TActiveFormX = class(TActiveForm, IActiveFormX)
      EmbeddedWB1: TEmbeddedWB;
      Panel1: TPanel;
      Button1: TButton;
      IEAddress1: TIEAddress;
      procedure Button1Click(Sender: TObject);
      procedure ActiveFormCreate(Sender: TObject);
   private
    { Private declarations }
      FEvents: IActiveFormXEvents;
      procedure ActivateEvent(Sender: TObject);
      procedure ClickEvent(Sender: TObject);
      procedure CreateEvent(Sender: TObject);
      procedure DblClickEvent(Sender: TObject);
      procedure DeactivateEvent(Sender: TObject);
      procedure DestroyEvent(Sender: TObject);
      procedure KeyPressEvent(Sender: TObject; var Key: Char);
      procedure PaintEvent(Sender: TObject);
   protected
    { Protected declarations }
      procedure DefinePropertyPages(DefinePropertyPage: TDefinePropertyPage); override;
      procedure EventSinkChanged(const EventSink: IUnknown); override;
      function Get_Active: WordBool; safecall;
      function Get_AlignDisabled: WordBool; safecall;
      function Get_AutoScroll: WordBool; safecall;
      function Get_AutoSize: WordBool; safecall;
      function Get_AxBorderStyle: TxActiveFormBorderStyle; safecall;
      function Get_Caption: WideString; safecall;
      function Get_Color: OLE_COLOR; safecall;
      function Get_DoubleBuffered: WordBool; safecall;
      function Get_DropTarget: WordBool; safecall;
      function Get_Enabled: WordBool; safecall;
      function Get_Font: IFontDisp; safecall;
      function Get_HelpFile: WideString; safecall;
      function Get_KeyPreview: WordBool; safecall;
      function Get_PixelsPerInch: Integer; safecall;
      function Get_PrintScale: TxPrintScale; safecall;
      function Get_Scaled: WordBool; safecall;
      function Get_ScreenSnap: WordBool; safecall;
      function Get_SnapBuffer: Integer; safecall;
      function Get_Visible: WordBool; safecall;
      function Get_VisibleDockClientCount: Integer; safecall;
      procedure _Set_Font(var Value: IFontDisp); safecall;
      procedure Set_AutoScroll(Value: WordBool); safecall;
      procedure Set_AutoSize(Value: WordBool); safecall;
      procedure Set_AxBorderStyle(Value: TxActiveFormBorderStyle); safecall;
      procedure Set_Caption(const Value: WideString); safecall;
      procedure Set_Color(Value: OLE_COLOR); safecall;
      procedure Set_DoubleBuffered(Value: WordBool); safecall;
      procedure Set_DropTarget(Value: WordBool); safecall;
      procedure Set_Enabled(Value: WordBool); safecall;
      procedure Set_Font(const Value: IFontDisp); safecall;
      procedure Set_HelpFile(const Value: WideString); safecall;
      procedure Set_KeyPreview(Value: WordBool); safecall;
      procedure Set_PixelsPerInch(Value: Integer); safecall;
      procedure Set_PrintScale(Value: TxPrintScale); safecall;
      procedure Set_Scaled(Value: WordBool); safecall;
      procedure Set_ScreenSnap(Value: WordBool); safecall;
      procedure Set_SnapBuffer(Value: Integer); safecall;
      procedure Set_Visible(Value: WordBool); safecall;
   public
    { Public declarations }
      procedure Initialize; override;
   end;

implementation

uses ComObj, ComServ;

{$R *.DFM}

{ TActiveFormX }

procedure TActiveFormX.DefinePropertyPages(DefinePropertyPage: TDefinePropertyPage);
begin
  { Define property pages here.  Property pages are defined by calling
    DefinePropertyPage with the class id of the page.  For example,
      DefinePropertyPage(Class_ActiveFormXPage); }
end;

procedure TActiveFormX.EventSinkChanged(const EventSink: IUnknown);
begin
   FEvents := EventSink as IActiveFormXEvents;
   inherited EventSinkChanged(EventSink);
end;

procedure TActiveFormX.Initialize;
begin
   inherited Initialize;
   OnActivate := ActivateEvent;
   OnClick := ClickEvent;
   OnCreate := CreateEvent;
   OnDblClick := DblClickEvent;
   OnDeactivate := DeactivateEvent;
   OnDestroy := DestroyEvent;
   OnKeyPress := KeyPressEvent;
   OnPaint := PaintEvent;
end;

function TActiveFormX.Get_Active: WordBool;
begin
   Result := Active;
end;

function TActiveFormX.Get_AlignDisabled: WordBool;
begin
   Result := AlignDisabled;
end;

function TActiveFormX.Get_AutoScroll: WordBool;
begin
   Result := AutoScroll;
end;

function TActiveFormX.Get_AutoSize: WordBool;
begin
   Result := AutoSize;
end;

function TActiveFormX.Get_AxBorderStyle: TxActiveFormBorderStyle;
begin
   Result := Ord(AxBorderStyle);
end;

function TActiveFormX.Get_Caption: WideString;
begin
   Result := WideString(Caption);
end;

function TActiveFormX.Get_Color: OLE_COLOR;
begin
   Result := OLE_COLOR(Color);
end;

function TActiveFormX.Get_DoubleBuffered: WordBool;
begin
   Result := DoubleBuffered;
end;

function TActiveFormX.Get_DropTarget: WordBool;
begin
   Result := DropTarget;
end;

function TActiveFormX.Get_Enabled: WordBool;
begin
   Result := Enabled;
end;

function TActiveFormX.Get_Font: IFontDisp;
begin
   GetOleFont(Font, Result);
end;

function TActiveFormX.Get_HelpFile: WideString;
begin
   Result := WideString(HelpFile);
end;

function TActiveFormX.Get_KeyPreview: WordBool;
begin
   Result := KeyPreview;
end;

function TActiveFormX.Get_PixelsPerInch: Integer;
begin
   Result := PixelsPerInch;
end;

function TActiveFormX.Get_PrintScale: TxPrintScale;
begin
   Result := Ord(PrintScale);
end;

function TActiveFormX.Get_Scaled: WordBool;
begin
   Result := Scaled;
end;

function TActiveFormX.Get_ScreenSnap: WordBool;
begin
   Result := ScreenSnap;
end;

function TActiveFormX.Get_SnapBuffer: Integer;
begin
   Result := SnapBuffer;
end;

function TActiveFormX.Get_Visible: WordBool;
begin
   Result := Visible;
end;

function TActiveFormX.Get_VisibleDockClientCount: Integer;
begin
   Result := VisibleDockClientCount;
end;

procedure TActiveFormX._Set_Font(var Value: IFontDisp);
begin
   SetOleFont(Font, Value);
end;

procedure TActiveFormX.ActivateEvent(Sender: TObject);
begin
   if FEvents <> nil then
      FEvents.OnActivate;
end;

procedure TActiveFormX.ClickEvent(Sender: TObject);
begin
   if FEvents <> nil then
      FEvents.OnClick;
end;

procedure TActiveFormX.CreateEvent(Sender: TObject);
begin
   if FEvents <> nil then
      FEvents.OnCreate;
end;

procedure TActiveFormX.DblClickEvent(Sender: TObject);
begin
   if FEvents <> nil then
      FEvents.OnDblClick;
end;

procedure TActiveFormX.DeactivateEvent(Sender: TObject);
begin
   if FEvents <> nil then
      FEvents.OnDeactivate;
end;

procedure TActiveFormX.DestroyEvent(Sender: TObject);
begin
   if FEvents <> nil then
      FEvents.OnDestroy;
end;

procedure TActiveFormX.KeyPressEvent(Sender: TObject; var Key: Char);
var
   TempKey: Smallint;
begin
   TempKey := Smallint(Key);
   if FEvents <> nil then
      FEvents.OnKeyPress(TempKey);
   Key := Char(TempKey);
end;

procedure TActiveFormX.PaintEvent(Sender: TObject);
begin
   if FEvents <> nil then
      FEvents.OnPaint;
end;

procedure TActiveFormX.Set_AutoScroll(Value: WordBool);
begin
   AutoScroll := Value;
end;

procedure TActiveFormX.Set_AutoSize(Value: WordBool);
begin
   AutoSize := Value;
end;

procedure TActiveFormX.Set_AxBorderStyle(Value: TxActiveFormBorderStyle);
begin
   AxBorderStyle := TActiveFormBorderStyle(Value);
end;

procedure TActiveFormX.Set_Caption(const Value: WideString);
begin
   Caption := TCaption(Value);
end;

procedure TActiveFormX.Set_Color(Value: OLE_COLOR);
begin
   Color := TColor(Value);
end;

procedure TActiveFormX.Set_DoubleBuffered(Value: WordBool);
begin
   DoubleBuffered := Value;
end;

procedure TActiveFormX.Set_DropTarget(Value: WordBool);
begin
   DropTarget := Value;
end;

procedure TActiveFormX.Set_Enabled(Value: WordBool);
begin
   Enabled := Value;
end;

procedure TActiveFormX.Set_Font(const Value: IFontDisp);
begin
   SetOleFont(Font, Value);
end;

procedure TActiveFormX.Set_HelpFile(const Value: WideString);
begin
   HelpFile := string(Value);
end;

procedure TActiveFormX.Set_KeyPreview(Value: WordBool);
begin
   KeyPreview := Value;
end;

procedure TActiveFormX.Set_PixelsPerInch(Value: Integer);
begin
   PixelsPerInch := Value;
end;

procedure TActiveFormX.Set_PrintScale(Value: TxPrintScale);
begin
   PrintScale := TPrintScale(Value);
end;

procedure TActiveFormX.Set_Scaled(Value: WordBool);
begin
   Scaled := Value;
end;

procedure TActiveFormX.Set_ScreenSnap(Value: WordBool);
begin
   ScreenSnap := Value;
end;

procedure TActiveFormX.Set_SnapBuffer(Value: Integer);
begin
   SnapBuffer := Value;
end;

procedure TActiveFormX.Set_Visible(Value: WordBool);
begin
   Visible := Value;
end;

procedure TActiveFormX.Button1Click(Sender: TObject);
begin
   EmbeddedWb1.Go(IeAddress1.Text);
end;

procedure TActiveFormX.ActiveFormCreate(Sender: TObject);
begin
   EmbeddedWb1.GoHome;
end;

initialization
   TActiveFormFactory.Create(
      ComServer,
      TActiveFormControl,
      TActiveFormX,
      Class_ActiveFormX,
      1,
      '',
      OLEMISC_SIMPLEFRAME or OLEMISC_ACTSLIKELABEL,
      tmApartment);
end.