InputEventGenerator.hh

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#ifndef INPUTEVENTGENERATOR_HH
#define INPUTEVENTGENERATOR_HH
 
#include "BooleanSetting.hh"
#include "Command.hh"
#include "EventListener.hh"
#include "JoystickManager.hh"
 
#include "SDLKey.hh"
#include <SDL.h>
 
namespace openmsx {
 
class CommandController;
class EventDistributor;
class GlobalSettings;
 
class InputEventGenerator final : private EventListener
{
public:
        InputEventGenerator(CommandController& commandController,
                            EventDistributor& eventDistributor,
                            GlobalSettings& globalSettings);
        InputEventGenerator(const InputEventGenerator&) = delete;
        InputEventGenerator(InputEventGenerator&&) = delete;
        InputEventGenerator& operator=(const InputEventGenerator&) = delete;
        InputEventGenerator& operator=(InputEventGenerator&&) = delete;
        ~InputEventGenerator();
 
        void wait();
 
        [[nodiscard]] BooleanSetting& getGrabInput() { return grabInput; }
        void updateGrab(bool grab);
 
        void poll();
 
        [[nodiscard]] JoystickManager& getJoystickManager() { return joystickManager; }
 
private:
        void handle(const SDL_Event& evt);
        void handleKeyDown(const SDL_KeyboardEvent& key, uint32_t unicode);
        void splitText(uint32_t timestamp, const char* utf8);
        void setGrabInput(bool grab) const;
 
        // EventListener
        bool signalEvent(const Event& event) override;
 
        EventDistributor& eventDistributor;
        GlobalSettings& globalSettings;
        JoystickManager joystickManager;
        BooleanSetting grabInput;
 
        struct EscapeGrabCmd final : Command {
                explicit EscapeGrabCmd(CommandController& commandController);
                void execute(std::span<const TclObject> tokens, TclObject& result) override;
                [[nodiscard]] std::string help(std::span<const TclObject> tokens) const override;
        } escapeGrabCmd;
 
        enum EscapeGrabState {
                ESCAPE_GRAB_WAIT_CMD,
                ESCAPE_GRAB_WAIT_LOST,
                ESCAPE_GRAB_WAIT_GAIN
        } escapeGrabState = ESCAPE_GRAB_WAIT_CMD;
 
        // OsdControl
        void setNewOsdControlButtonState(unsigned newState);
        void triggerOsdControlEventsFromJoystickAxisMotion(unsigned axis, int value);
        void triggerOsdControlEventsFromJoystickHat(int value);
        void osdControlChangeButton(bool down, unsigned changedButtonMask);
        void triggerOsdControlEventsFromJoystickButtonEvent(unsigned button, bool down);
        void triggerOsdControlEventsFromKeyEvent(SDLKey key, bool repeat);
 
private:
        unsigned osdControlButtonsState = unsigned(~0); // 0 is pressed, 1 is released
 
        // only for Android
        static inline bool androidButtonA = false;
        static inline bool androidButtonB = false;
};
 
} // namespace openmsx
 
#endif