Added a full screen demo

2025-06-12 22:07:39 +02:00 · 2017-05-21 19:38:32 +02:00
parent fbefae8e34
commit 688ab57bcc
10 changed files with 1949 additions and 0 deletions
--- a/demos/FullScreenBrowser/uMainForm.pas
+++ b/demos/FullScreenBrowser/uMainForm.pas
@ -0,0 +1,172 @@
+// ************************************************************************
+// ***************************** CEF4Delphi *******************************
+// ************************************************************************
+//
+// CEF4Delphi is based on DCEF3 which uses CEF3 to embed a chromium-based
+// browser in Delphi applications.
+//
+// The original license of DCEF3 still applies to CEF4Delphi.
+//
+// For more information about CEF4Delphi visit :
+//         https://www.briskbard.com/index.php?lang=en&pageid=cef
+//
+//        Copyright � 2017 Salvador D�az Fau. All rights reserved.
+//
+// ************************************************************************
+// ************ vvvv Original license and comments below vvvv *************
+// ************************************************************************
+(*
+ *                       Delphi Chromium Embedded 3
+ *
+ * Usage allowed under the restrictions of the Lesser GNU General Public License
+ * or alternatively the restrictions of the Mozilla Public License 1.1
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
+ * the specific language governing rights and limitations under the License.
+ *
+ * Unit owner : Henri Gourvest <hgourvest@gmail.com>
+ * Web site   : http://www.progdigy.com
+ * Repository : http://code.google.com/p/delphichromiumembedded/
+ * Group      : http://groups.google.com/group/delphichromiumembedded
+ *
+ * Embarcadero Technologies, Inc is not permitted to use or redistribute
+ * this source code without explicit permission.
+ *
+ *)
+
+unit uMainForm;
+
+interface
+
+uses
+  {$IFDEF DELPHI16_UP}
+  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
+  Vcl.Controls, Vcl.Forms, Vcl.Dialogs,
+  System.UITypes,
+  {$ELSE}
+  Windows, Messages, SysUtils, Variants, Classes, Graphics,
+  Controls, Forms, Dialogs,
+  {$ENDIF}
+  uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFTypes;
+
+type
+  TMainForm = class(TForm)
+    CEFWindowParent1: TCEFWindowParent;
+    Chromium1: TChromium;
+    procedure Chromium1PreKeyEvent(Sender: TObject;
+      const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: PMsg;
+      out isKeyboardShortcut, Result: Boolean);
+    procedure Chromium1KeyEvent(Sender: TObject;
+      const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: PMsg;
+      out Result: Boolean);
+    procedure FormShow(Sender: TObject);
+  private
+    { Private declarations }
+  protected
+    procedure WMMove(var aMessage : TWMMove); message WM_MOVE;
+    procedure WMMoving(var aMessage : TMessage); message WM_MOVING;
+
+    procedure HandleKeyUp(const aMsg : TMsg; var aHandled : boolean);
+    procedure HandleKeyDown(const aMsg : TMsg; var aHandled : boolean);
+  public
+    { Public declarations }
+  end;
+
+var
+  MainForm: TMainForm;
+
+implementation
+
+{$R *.dfm}
+
+procedure TMainForm.HandleKeyUp(const aMsg : TMsg; var aHandled : boolean);
+var
+  TempMessage : TMessage;
+  TempKeyMsg  : TWMKey;
+begin
+  TempMessage.Msg     := aMsg.message;
+  TempMessage.wParam  := aMsg.wParam;
+  TempMessage.lParam  := aMsg.lParam;
+  TempKeyMsg          := TWMKey(TempMessage);
+
+  if (TempKeyMsg.CharCode = VK_ESCAPE) then
+    begin
+      aHandled := True;
+
+      PostMessage(Handle, WM_CLOSE, 0, 0);
+    end;
+end;
+
+procedure TMainForm.HandleKeyDown(const aMsg : TMsg; var aHandled : boolean);
+var
+  TempMessage : TMessage;
+  TempKeyMsg  : TWMKey;
+begin
+  TempMessage.Msg     := aMsg.message;
+  TempMessage.wParam  := aMsg.wParam;
+  TempMessage.lParam  := aMsg.lParam;
+  TempKeyMsg          := TWMKey(TempMessage);
+
+  if (TempKeyMsg.CharCode = VK_ESCAPE) then aHandled := True;
+end;
+
+procedure TMainForm.Chromium1KeyEvent(Sender: TObject;
+  const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: PMsg;
+  out Result: Boolean);
+var
+  TempMsg : TMsg;
+begin
+  Result := False;
+
+  if (event <> nil) and (osEvent <> nil) then
+    case osEvent.Message of
+      WM_KEYUP :
+        begin
+          TempMsg := osEvent^;
+
+          HandleKeyUp(TempMsg, Result);
+        end;
+
+      WM_KEYDOWN :
+        begin
+          TempMsg := osEvent^;
+
+          HandleKeyDown(TempMsg, Result);
+        end;
+    end;
+end;
+
+procedure TMainForm.Chromium1PreKeyEvent(Sender: TObject;
+  const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: PMsg;
+  out isKeyboardShortcut, Result: Boolean);
+begin
+  Result := False;
+
+  if (event <> nil) and
+     (event.kind in [KEYEVENT_KEYDOWN, KEYEVENT_KEYUP]) and
+     (event.windows_key_code = VK_ESCAPE) then
+    isKeyboardShortcut := True;
+end;
+
+procedure TMainForm.FormShow(Sender: TObject);
+begin
+  Chromium1.DefaultUrl := 'https://www.google.com';
+  Chromium1.CreateBrowser(CEFWindowParent1, '');
+end;
+
+procedure TMainForm.WMMove(var aMessage : TWMMove);
+begin
+  inherited;
+
+  if (Chromium1 <> nil) then Chromium1.NotifyMoveOrResizeStarted;
+end;
+
+procedure TMainForm.WMMoving(var aMessage : TMessage);
+begin
+  inherited;
+
+  if (Chromium1 <> nil) then Chromium1.NotifyMoveOrResizeStarted;
+end;
+
+end.