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/*
* Copyright (C) 2024 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2024 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-plugins-referencer
* Created on: 29 нояб. 2024 г.
*
* lsp-plugins-referencer is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-plugins-referencer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-plugins-referencer. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_TK_UTIL_SHORCUTTRACKER_H_
#define LSP_PLUG_IN_TK_UTIL_SHORCUTTRACKER_H_
#ifndef LSP_PLUG_IN_TK_IMPL
#error "use <lsp-plug.in/tk/tk.h>"
#endif
#include <lsp-plug.in/tk/prop/multi/Shortcut.h>
#include <lsp-plug.in/tk/sys/Shortcuts.h>
namespace lsp
{
namespace tk
{
class ShortcutTracker
{
private:
prop::Shortcut sState;
Shortcuts *pShortcuts;
ssize_t nEnabled;
lltl::darray<ws::code_t> vFired;
public:
explicit ShortcutTracker(Shortcuts *shortcuts);
ShortcutTracker(const ShortcutTracker &) = delete;
ShortcutTracker(ShortcutTracker &&) = delete;
virtual ~ShortcutTracker();
ShortcutTracker & operator = (const ShortcutTracker &) = delete;
ShortcutTracker & operator = (ShortcutTracker &&) = delete;
private:
bool set_modifier(ws::code_t code, bool set);
bool push_key(ws::code_t code);
bool pop_key(ws::code_t code);
public:
/**
* Handle event
* @param widget originator of the event
* @param ev event
* @return status of operation
*/
virtual status_t handle(Widget *widget, const ws::event_t *ev);
/**
* Reset current state of the tracker
*/
virtual void reset();
/**
* Check if tracker is enabled
* @return true if tracker is enabled
*/
virtual bool enabled() const;
/**
* Set enabled status of the tracker
* @param enabled enabled status of the tracker
* @return the previous enabled status
*/
virtual bool set_enabled(bool enabled);
/**
* Enable tracker
* @return the previous enabled status
*/
virtual bool enable();
/**
* Disable tracker
* @return the prevous enabled status
*/
virtual bool disable();
};
} /* namespace tk */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_TK_UTIL_SHORCUTTRACKER_H_ */
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