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| -rw-r--r-- | include/svtools/acceleratorexecute.hxx | 213 |
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diff --git a/include/svtools/acceleratorexecute.hxx b/include/svtools/acceleratorexecute.hxx new file mode 100644 index 000000000..6c846bc52 --- /dev/null +++ b/include/svtools/acceleratorexecute.hxx @@ -0,0 +1,213 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_SVTOOLS_ACCELERATOREXECUTE_HXX +#define INCLUDED_SVTOOLS_ACCELERATOREXECUTE_HXX + +#include <svtools/svtdllapi.h> + +#include <memory> + +#include <com/sun/star/awt/KeyEvent.hpp> +#include <vcl/keycod.hxx> + +namespace com :: sun :: star :: frame { class XDispatchProvider; } +namespace com :: sun :: star :: frame { class XFrame; } +namespace com :: sun :: star :: frame { class XModel; } +namespace com :: sun :: star :: ui { class XAcceleratorConfiguration; } +namespace com :: sun :: star :: uno { class XComponentContext; } +namespace com :: sun :: star :: util { class XURLTransformer; } + + +namespace svt +{ + + +struct TMutexInit +{ + ::osl::Mutex m_aLock; +}; + + +/** + @descr implements a helper, which can be used to + convert vcl key codes into awt key codes ... + and reverse. + + Further such key code can be triggered. + Doing so different accelerator + configurations are merged together; a suitable + command registered for the given key code is searched + and will be dispatched. + + @attention + + Because execution of an accelerator command can be dangerous + (in case it force an office shutdown for key "ALT+F4"!) + all internal dispatches are done asynchronous. + Means that the trigger call doesn't wait till the dispatch + is finished. You can call very often. All requests will be + queued internal and dispatched ASAP. + + Of course this queue will be stopped if the environment + will be destructed... + */ +class SVT_DLLPUBLIC AcceleratorExecute final : private TMutexInit +{ + // member + private: + + /** TODO document me */ + css::uno::Reference< css::uno::XComponentContext > m_xContext; + + /** TODO document me */ + css::uno::Reference< css::util::XURLTransformer > m_xURLParser; + + /** TODO document me */ + css::uno::Reference< css::frame::XDispatchProvider > m_xDispatcher; + + /** TODO document me */ + css::uno::Reference< css::ui::XAcceleratorConfiguration > m_xGlobalCfg; + css::uno::Reference< css::ui::XAcceleratorConfiguration > m_xModuleCfg; + css::uno::Reference< css::ui::XAcceleratorConfiguration > m_xDocCfg; + // interface + public: + + + /** @short factory method to create new accelerator + helper instance. + + @descr Such helper instance must be initialized at first. + So it can know its environment (global/module or + document specific). + + Afterwards it can be used to execute incoming + accelerator requests. + + The "end of life" of such helper can be reached as follow: + + - delete the object + => If it stands currently in its execute method, they will + be finished. All further queued requests will be removed + and further not executed! + + - "let it stay alone" + => All currently queued events will be finished. The + helper kills itself afterwards. A shutdown of the + environment will be recognized ... The helper stop its + work immediately then! + */ + static std::unique_ptr<AcceleratorExecute> createAcceleratorHelper(); + + + /** @short fight against inlining ... */ + virtual ~AcceleratorExecute(); + + + /** @short init this instance. + + @descr It must be called as first method after creation. + And further it can be called more than once... + but at least it should be used one times only. + Otherwise nobody can say, which asynchronous + executions will be used inside the old and which one + will be used inside the new environment. + + @param rxContext + reference to a uno service manager. + + @param xEnv + if it points to a valid frame it will be used + to execute the dispatch there. Further the frame + is used to locate the right module configuration + and use it merged together with the document and + the global configuration. + + If this parameter is set to NULL, the global configuration + is used only. Further the global Desktop instance is + used for dispatch. + */ + void init(const css::uno::Reference< css::uno::XComponentContext >& rxContext, + const css::uno::Reference< css::frame::XFrame >& xEnv ); + + + /** @short trigger this accelerator. + + @descr The internal configurations are used to find + as suitable command for this key code. + This command will be queued and executed later + asynchronous. + + @param aKey + specify the accelerator for execute. + + @return [bool] + true if this key is configured and match to a command. + Attention: This state does not mean the success state + of the corresponding execute. Because it's done asynchronously! + */ + bool execute(const vcl::KeyCode& aKey); + bool execute(const css::awt::KeyEvent& aKey); + + /** search the command for the given key event. + * + * @param aKey The key event + * @return The command or an empty string if the key event could not be found. + */ + OUString findCommand(const css::awt::KeyEvent& aKey); + + /** TODO document me */ + static css::awt::KeyEvent st_VCLKey2AWTKey(const vcl::KeyCode& aKey); + static vcl::KeyCode st_AWTKey2VCLKey(const css::awt::KeyEvent& aKey); + + + /** TODO document me */ + static css::uno::Reference< css::ui::XAcceleratorConfiguration > st_openModuleConfig(const css::uno::Reference< css::uno::XComponentContext >& rxContext , + const css::uno::Reference< css::frame::XFrame >& xFrame); + + + /** TODO document me */ + static css::uno::Reference< css::ui::XAcceleratorConfiguration > st_openDocConfig(const css::uno::Reference< css::frame::XModel >& xModel); + + + // internal + private: + + + /** @short allow creation of instances of this class + by using our factory only! + */ + SVT_DLLPRIVATE AcceleratorExecute(); + + AcceleratorExecute(const AcceleratorExecute& rCopy) = delete; + void operator=(const AcceleratorExecute&) = delete; + + /** TODO document me */ + SVT_DLLPRIVATE OUString impl_ts_findCommand(const css::awt::KeyEvent& aKey); + + + /** TODO document me */ + SVT_DLLPRIVATE css::uno::Reference< css::util::XURLTransformer > impl_ts_getURLParser(); +}; + +} // namespace svt + +#endif // INCLUDED_SVTOOLS_ACCELERATOREXECUTE_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |