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| ///////////////////////////////////////////////////////////////////////////
// //
// Copyright (c) 2015 by Charta Software B.V. //
// All rights reserved //
// //
// Version: 1.7.0.83525 //
// Web site: https://pascal.chartasoftware.com/ //
// //
// This code and information are provided "as is" without warranty of //
// any kind. Dissemination of this information or reproduction of //
// this material is strictly forbidden unless prior written permission //
// is obtained from Charta Software B.V.. //
// //
///////////////////////////////////////////////////////////////////////////
unit UserInterface.Keyboard.HotKey.Manager;
interface
uses
Boolean,
Event,
Object_.Base,
Object_.List,
UserInterface.Keyboard.HotKey;
type
THotKeyManager = class(TBaseObject)
protected
HotKeys: TObjectList<THotKey>;
public
constructor Create(); override;
destructor Destroy(); override;
procedure Add(HotKey: THotKey);
procedure Remove(HotKey: THotKey);
function HandleEvent(Event: TEvent): TBoolean; override;
end;
implementation
uses
UserInterface.Keyboard.Event;
{ THotKeyManager }
procedure THotKeyManager.Add(HotKey: THotKey);
begin
HotKeys.Add(HotKey);
end;
constructor THotKeyManager.Create();
begin
inherited Create();
HotKeys := TObjectList<THotKey>.Create();
end;
destructor THotKeyManager.Destroy();
begin
HotKeys.Free();
inherited Destroy();
end;
function THotKeyManager.HandleEvent(Event: TEvent): TBoolean;
var
KeyDown: TKeyDownEvent;
HotKey: THotKey;
begin
Result := False;
if Event is TKeyDownEvent then
begin
KeyDown := Event as TKeyDownEvent;
HotKey := HotKeys.Find(THotKey.TKeyModifiersCondition.Create(KeyDown.Key, KeyDown.Modifiers));
Result := HotKey <> nil;
if Result then
HotKey.Execute();
end;
end;
procedure THotKeyManager.Remove(HotKey: THotKey);
begin
HotKeys.Remove(HotKey);
end;
end.
|