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62 lines
2 KiB
C++
62 lines
2 KiB
C++
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef M4_GUI_GUI_SYS_H
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#define M4_GUI_GUI_SYS_H
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#include "m4/m4_types.h"
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#include "m4/gui/gui_univ.h"
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namespace M4 {
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bool gui_system_init();
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void gui_system_shutdown();
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/**
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* Determine if an event happens, and if so, which window should process the event
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* This is the main "engine call" of the GUI. It should be called once each time in the
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* applications main loop. All "hot key" call backs, and evtHandlers are executed from here.
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*/
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void gui_system_event_handler();
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/**
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* Add a "hot key" to the system (as opposed to a specific window).
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* @param myKey The "key" which, when pressed, will cause the callback function to be executed.
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* @param callback The function to be executed when "myKey" is pressed.
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* @remarks If the view manager has not been initialized, or sizeof(Hotkey) memory is not available,
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* the procedure will be aborted.
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*/
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void AddSystemHotkey(int32 myKey, HotkeyCB callback);
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/**
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* Remove a "hot key" from the system
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*/
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void RemoveSystemHotkey(int32 myKey);
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/**
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* To find the callback associated with a "hot key" in the system
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*/
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HotkeyCB GetSystemHotkey(int32 myKey);
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} // End of namespace M4
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#endif
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