add joysick support and state feedback

src/jsbackend/JoysticksCommon.h.orig

@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2015-2017 Alex Spataru <alex_spataru@outlook.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef _QJOYSTICKS_COMMON_H
+#define _QJOYSTICKS_COMMON_H
+
+#include <QString>
+
+/**
+ * @brief Represents a joystick and its properties
+ *
+ * This structure contains:
+ *     - The numerical ID of the joystick
+ *     - The sdl instance id of the joystick
+ *     - The joystick display name
+ *     - The number of axes operated by the joystick
+ *     - The number of buttons operated by the joystick
+ *     - The number of POVs operated by the joystick
+ *     - A boolean value blacklisting or whitelisting the joystick
+ */
+struct QJoystickDevice
+{
+    int id; /**< Holds the ID of the joystick */
+    int instanceID; /**< Holds the sdl instance id of the joystick */
+    QString name; /**< Holds the name/title of the joystick */
+    QList<int> povs; /**< Holds the values for each POV */
+    QList<double> axes; /**< Holds the values for each axis */
+    QList<bool> buttons; /**< Holds the values for each button */
+    bool blacklisted; /**< Holds \c true if the joystick is disabled */
+};
+
+/**
+ * @brief Represents a joystick rumble request
+ *
+ * This structure contains:
+ *    - A pointer to the joystick that should be rumbled
+ *    - The length (in milliseconds) of the rumble effect.
+ *    - The strength of the effect (from 0 to 1)
+ */
+struct QJoystickRumble
+{
+    uint length; /**< The duration of the effect */
+    qreal strength; /**< Strength of the effect (0 to 1) */
+    QJoystickDevice *joystick; /**< The pointer to the target joystick */
+};
+
+/**
+ * @brief Represents an POV event that can be triggered by a joystick
+ *
+ * This structure contains:
+ *    - A pointer to the joystick that triggered the event
+ *    - The POV number/ID
+ *    - The current POV angle
+ */
+struct QJoystickPOVEvent
+{
+    int pov; /**< The numerical ID of the POV */
+    int angle; /**< The current angle of the POV */
+    QJoystickDevice *joystick; /**< Pointer to the device that caused the event */
+};
+
+/**
+ * @brief Represents an axis event that can be triggered by a joystick
+ *
+ * This structure contains:
+ *    - A pointer to the joystick that caused the event
+ *    - The axis number/ID
+ *    - The current axis value
+ */
+struct QJoystickAxisEvent
+{
+    int axis; /**< The numerical ID of the axis */
+    qreal value; /**< The value (from -1 to 1) of the axis */
+    QJoystickDevice *joystick; /**< Pointer to the device that caused the event */
+};
+
+/**
+ * @brief Represents a button event that can be triggered by a joystick
+ *
+ * This structure contains:
+ *   - A pointer to the joystick that caused the event
+ *   - The button number/ID
+ *   - The current button state (pressed or not pressed)
+ */
+struct QJoystickButtonEvent
+{
+    int button; /**< The numerical ID of the button */
+    bool pressed; /**< Set to \c true if the button is pressed */
+    QJoystickDevice *joystick; /**< Pointer to the device that caused the event */
+};
+
+#endif