41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
//
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// Created by trotfunky on 07/10/2019.
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//
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#ifndef TESTS_OPENGL_KEYSTATEMANAGER_H
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#define TESTS_OPENGL_KEYSTATEMANAGER_H
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#include <map>
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#include <GL/glut.h>
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/// Handles the key events from glut and keep the status of keys up to date.
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/// "Static class"
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class KeyStateManager {
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public:
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KeyStateManager() = delete;
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static void register_glut_callbacks();
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// FIXME: Not happy with having two functions : char auto promoted to int if same name
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static bool is_key_pressed(unsigned char key);
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static bool is_special_key_pressed(int key);
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// Glut callbacks for input events
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static void key_press(unsigned char event_key, int mouse_x, int mouse_y);
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static void key_up(unsigned char event_key, int mouse_x, int mouse_y);
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static void special_key_press(int event_key, int mouse_x, int mouse_y);
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static void special_key_up(int event_key, int mouse_x, int mouse_y);
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private:
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// The maps are used to keep track of the keys which were pressed or released during runtime.
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static std::map<unsigned char,bool> ascii_keys_status;
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static std::map<int,bool> special_keys_status;
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// These functions are called by *_press and *_up to update their values
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static void update_key(unsigned char event_key, bool new_status);
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static void update_special_key(int event_key, bool new_status);
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};
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#endif //TESTS_OPENGL_KEYSTATEMANAGER_H
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