CEF4Delphi/source/uCEFWindow.pas
salvadordf c88ec15bd4 Update to CEF 94.4.1
Added the keyboard handling modification to the OSRExternalPumpBrowser demo requested by mterrisse in issue #378
Fixed the wrong form icon in TinyBrowser demo.
2021-09-27 12:04:33 +02:00

344 lines
11 KiB
ObjectPascal

// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF 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 © 2021 Salvador Diaz 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 uCEFWindow;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
{$I cef.inc}
interface
uses
{$IFDEF DELPHI16_UP}
System.Classes, System.SysUtils,
{$ELSE}
Classes, SysUtils,
{$ENDIF}
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes, uCEFPanel;
type
TCefWindowRef = class(TCefPanelRef, ICefWindow)
protected
procedure Show;
procedure Hide;
procedure CenterWindow(const size_: TCefSize);
procedure Close;
function IsClosed : boolean;
procedure Activate;
procedure Deactivate;
function IsActive : boolean;
procedure BringToTop;
procedure SetAlwaysOnTop(on_top: boolean);
function IsAlwaysOnTop : boolean;
procedure Maximize;
procedure Minimize;
procedure Restore;
procedure SetFullscreen(fullscreen: boolean);
function IsMaximized : boolean;
function IsMinimized : boolean;
function IsFullscreen : boolean;
procedure SetTitle(const title_: ustring);
function GetTitle : ustring;
procedure SetWindowIcon(const image: ICefImage);
function GetWindowIcon : ICefImage;
procedure SetWindowAppIcon(const image: ICefImage);
function GetWindowAppIcon : ICefImage;
function AddOverlayView(const view: ICefView; docking_mode: TCefDockingMode): ICefOverlayController;
procedure ShowMenu(const menu_model: ICefMenuModel; const screen_point: TCefPoint; anchor_position : TCefMenuAnchorPosition);
procedure CancelMenu;
function GetDisplay : ICefDisplay;
function GetClientAreaBoundsInScreen : TCefRect;
procedure SetDraggableRegions(regionsCount: NativeUInt; const regions: PCefDraggableRegionArray);
function GetWindowHandle : TCefWindowHandle;
procedure SendKeyPress(key_code: Integer; event_flags: cardinal);
procedure SendMouseMove(screen_x, screen_y: Integer);
procedure SendMouseEvents(button: TCefMouseButtonType; mouse_down, mouse_up: boolean);
procedure SetAccelerator(command_id, key_code : Integer; shift_pressed, ctrl_pressed, alt_pressed: boolean);
procedure RemoveAccelerator(command_id: Integer);
procedure RemoveAllAccelerators;
public
class function UnWrap(data: Pointer): ICefWindow;
class function CreateTopLevel(const delegate: ICefWindowDelegate): ICefWindow;
end;
implementation
uses
uCEFLibFunctions, uCEFMiscFunctions, uCEFImage, uCEFDisplay, uCEFOverlayController;
procedure TCefWindowRef.Show;
begin
PCefWindow(FData)^.show(PCefWindow(FData));
end;
procedure TCefWindowRef.Hide;
begin
PCefWindow(FData)^.hide(PCefWindow(FData));
end;
procedure TCefWindowRef.CenterWindow(const size_: TCefSize);
begin
PCefWindow(FData)^.center_window(PCefWindow(FData), @size_);
end;
procedure TCefWindowRef.Close;
begin
PCefWindow(FData)^.close(PCefWindow(FData));
end;
function TCefWindowRef.IsClosed : boolean;
begin
Result := (PCefWindow(FData)^.is_closed(PCefWindow(FData)) <> 0);
end;
procedure TCefWindowRef.Activate;
begin
PCefWindow(FData)^.activate(PCefWindow(FData));
end;
procedure TCefWindowRef.Deactivate;
begin
PCefWindow(FData)^.deactivate(PCefWindow(FData));
end;
function TCefWindowRef.IsActive : boolean;
begin
Result := (PCefWindow(FData)^.is_active(PCefWindow(FData)) <> 0);
end;
procedure TCefWindowRef.BringToTop;
begin
PCefWindow(FData)^.bring_to_top(PCefWindow(FData));
end;
procedure TCefWindowRef.SetAlwaysOnTop(on_top: boolean);
begin
PCefWindow(FData)^.set_always_on_top(PCefWindow(FData), ord(on_top));
end;
function TCefWindowRef.IsAlwaysOnTop : boolean;
begin
Result := (PCefWindow(FData)^.is_always_on_top(PCefWindow(FData)) <> 0);
end;
procedure TCefWindowRef.Maximize;
begin
PCefWindow(FData)^.maximize(PCefWindow(FData));
end;
procedure TCefWindowRef.Minimize;
begin
PCefWindow(FData)^.minimize(PCefWindow(FData));
end;
procedure TCefWindowRef.Restore;
begin
PCefWindow(FData)^.restore(PCefWindow(FData));
end;
procedure TCefWindowRef.SetFullscreen(fullscreen: boolean);
begin
PCefWindow(FData)^.set_fullscreen(PCefWindow(FData), ord(fullscreen));
end;
function TCefWindowRef.IsMaximized : boolean;
begin
Result := (PCefWindow(FData)^.is_maximized(PCefWindow(FData)) <> 0);
end;
function TCefWindowRef.IsMinimized : boolean;
begin
Result := (PCefWindow(FData)^.is_minimized(PCefWindow(FData)) <> 0);
end;
function TCefWindowRef.IsFullscreen : boolean;
begin
Result := (PCefWindow(FData)^.is_fullscreen(PCefWindow(FData)) <> 0);
end;
procedure TCefWindowRef.SetTitle(const title_: ustring);
var
TempTitle : TCefString;
begin
TempTitle := CefString(title_);
PCefWindow(FData)^.set_title(PCefWindow(FData), @TempTitle);
end;
function TCefWindowRef.GetTitle : ustring;
begin
Result := CefStringFreeAndGet(PCefWindow(FData)^.get_title(PCefWindow(FData)));
end;
procedure TCefWindowRef.SetWindowIcon(const image: ICefImage);
begin
PCefWindow(FData)^.set_window_icon(PCefWindow(FData), CefGetData(image));
end;
function TCefWindowRef.GetWindowIcon : ICefImage;
begin
Result := TCefImageRef.UnWrap(PCefWindow(FData)^.get_window_icon(PCefWindow(FData)));
end;
procedure TCefWindowRef.SetWindowAppIcon(const image: ICefImage);
begin
PCefWindow(FData)^.set_window_app_icon(PCefWindow(FData), CefGetData(image));
end;
function TCefWindowRef.GetWindowAppIcon : ICefImage;
begin
Result := TCefImageRef.UnWrap(PCefWindow(FData)^.get_window_app_icon(PCefWindow(FData)));
end;
function TCefWindowRef.AddOverlayView(const view: ICefView; docking_mode: TCefDockingMode): ICefOverlayController;
begin
Result := TCefOverlayControllerRef.UnWrap(PCefWindow(FData)^.add_overlay_view(PCefWindow(FData),
CefGetData(view),
docking_mode));
end;
procedure TCefWindowRef.ShowMenu(const menu_model : ICefMenuModel;
const screen_point : TCefPoint;
anchor_position : TCefMenuAnchorPosition);
begin
PCefWindow(FData)^.show_menu(PCefWindow(FData),
CefGetData(menu_model),
@screen_point,
anchor_position);
end;
procedure TCefWindowRef.CancelMenu;
begin
PCefWindow(FData)^.cancel_menu(PCefWindow(FData));
end;
function TCefWindowRef.GetDisplay : ICefDisplay;
begin
Result := TCefDisplayRef.UnWrap(PCefWindow(FData)^.get_display(PCefWindow(FData)));
end;
function TCefWindowRef.GetClientAreaBoundsInScreen : TCefRect;
begin
Result := PCefWindow(FData)^.get_client_area_bounds_in_screen(PCefWindow(FData));
end;
procedure TCefWindowRef.SetDraggableRegions(regionsCount: NativeUInt; const regions: PCefDraggableRegionArray);
begin
PCefWindow(FData)^.set_draggable_regions(PCefWindow(FData), regionsCount, regions);
end;
function TCefWindowRef.GetWindowHandle : TCefWindowHandle;
begin
Result := PCefWindow(FData)^.get_window_handle(PCefWindow(FData));
end;
procedure TCefWindowRef.SendKeyPress(key_code: Integer; event_flags: cardinal);
begin
PCefWindow(FData)^.send_key_press(PCefWindow(FData), key_code, event_flags);
end;
procedure TCefWindowRef.SendMouseMove(screen_x, screen_y: Integer);
begin
PCefWindow(FData)^.send_mouse_move(PCefWindow(FData), screen_x, screen_y);
end;
procedure TCefWindowRef.SendMouseEvents(button : TCefMouseButtonType;
mouse_down : boolean;
mouse_up : boolean);
begin
PCefWindow(FData)^.send_mouse_events(PCefWindow(FData),
button,
ord(mouse_down),
ord(mouse_up));
end;
procedure TCefWindowRef.SetAccelerator(command_id : Integer;
key_code : Integer;
shift_pressed : boolean;
ctrl_pressed : boolean;
alt_pressed : boolean);
begin
PCefWindow(FData)^.set_accelerator(PCefWindow(FData),
command_id,
key_code,
ord(shift_pressed),
ord(ctrl_pressed),
ord(alt_pressed));
end;
procedure TCefWindowRef.RemoveAccelerator(command_id: Integer);
begin
PCefWindow(FData)^.remove_accelerator(PCefWindow(FData), command_id);
end;
procedure TCefWindowRef.RemoveAllAccelerators;
begin
PCefWindow(FData)^.remove_all_accelerators(PCefWindow(FData));
end;
class function TCefWindowRef.UnWrap(data: Pointer): ICefWindow;
begin
if (data <> nil) then
Result := Create(data) as ICefWindow
else
Result := nil;
end;
class function TCefWindowRef.CreateTopLevel(const delegate: ICefWindowDelegate): ICefWindow;
var
TempWindow : PCefWindow;
begin
Result := nil;
if (delegate <> nil) then
begin
TempWindow := cef_window_create_top_level(CefGetData(delegate));
if (TempWindow <> nil) then
Result := Create(TempWindow) as ICefWindow;
end;
end;
end.