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authorinmarket <andrewh@inmarket.com.au>2014-08-20 17:42:53 +1000
committerinmarket <andrewh@inmarket.com.au>2014-08-20 17:42:53 +1000
commit0f3f8f68f87233bf59c3fa68c3dfe1f492a1a478 (patch)
tree3dc625e7dfcfc620e83827ccd18423be1b5334f4 /src/ginput/ginput_mouse.h
parentfcbb66a9394eaf4059bc942df6729b4b55a057d8 (diff)
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Rename lots of files to help prevent compile time name conflicts.
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diff --git a/src/ginput/ginput_mouse.h b/src/ginput/ginput_mouse.h
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+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ * http://ugfx.org/license.html
+ */
+
+/**
+ * @file src/ginput/ginput_mouse.h
+ * @brief GINPUT GFX User Input subsystem header file for mouse and touch.
+ *
+ * @defgroup Mouse Mouse
+ * @ingroup GINPUT
+ *
+ * @details GINPUT allows it to easily interface touchscreens and mices to
+ * your application.
+ *
+ * @pre GFX_USE_GINPUT must be set to TRUE in your gfxconf.h
+ * @pre GINPUT_NEED_MOUSE must be set to TRUE in your gfxconf.h
+ *
+ * @{
+ */
+
+#ifndef _GINPUT_MOUSE_H
+#define _GINPUT_MOUSE_H
+
+#if GINPUT_NEED_MOUSE || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Type definitions */
+/*===========================================================================*/
+
+/* This type definition is also used by touch */
+typedef struct GEventMouse_t {
+ GEventType type; // The type of this event (GEVENT_MOUSE or GEVENT_TOUCH)
+ uint16_t instance; // The mouse/touch instance
+ coord_t x, y, z; // The position of the mouse.
+ // - For touch devices, Z is the current pressure if supported (otherwise 0)
+ // - For mice, Z is the 3rd dimension if supported (otherwise 0)
+ uint16_t current_buttons; // A bit is set if the button is down.
+ // - For touch only bit 0 is relevant
+ // - For mice the order of the buttons is (from 0 to n) left, right, middle, any other buttons
+ // - Bit 15 being set indicates that an important mouse event has been missed.
+ #define GINPUT_MOUSE_BTN_LEFT 0x0001
+ #define GINPUT_MOUSE_BTN_RIGHT 0x0002
+ #define GINPUT_MOUSE_BTN_MIDDLE 0x0004
+ #define GINPUT_MOUSE_BTN_4 0x0008
+ #define GINPUT_MISSED_MOUSE_EVENT 0x8000
+ #define GINPUT_TOUCH_PRESSED GINPUT_MOUSE_BTN_LEFT
+ uint16_t last_buttons; // The value of current_buttons on the last event
+ enum GMouseMeta_e {
+ GMETA_NONE = 0, // There is no meta event currently happening
+ GMETA_MOUSE_DOWN = 1, // Button 0 has just gone down
+ GMETA_MOUSE_UP = 2, // Button 0 has just gone up
+ GMETA_MOUSE_CLICK = 4, // Button 0 has just gone through a short down - up cycle
+ GMETA_MOUSE_CXTCLICK = 8 // For mice - The right button has just been depressed
+ // For touch - a long press has just occurred
+ } meta;
+ GDisplay * display; // The display this mouse is currently associated with.
+ } GEventMouse;
+
+// Mouse/Touch Listen Flags - passed to geventAddSourceToListener()
+#define GLISTEN_MOUSEMETA 0x0001 // Create events for meta events such as CLICK and CXTCLICK
+#define GLISTEN_MOUSEDOWNMOVES 0x0002 // Creates mouse move events when the primary mouse button is down (touch is on the surface)
+#define GLISTEN_MOUSEUPMOVES 0x0004 // Creates mouse move events when the primary mouse button is up (touch is off the surface - if the hardware allows).
+#define GLISTEN_MOUSENOFILTER 0x0008 // Don't filter out mouse moves where the position hasn't changed.
+#define GLISTEN_TOUCHMETA GLISTEN_MOUSEMETA
+#define GLISTEN_TOUCHDOWNMOVES GLISTEN_MOUSEDOWNMOVES
+#define GLISTEN_TOUCHUPMOVES GLISTEN_MOUSEUPMOVES
+#define GLISTEN_TOUCHNOFILTER GLISTEN_MOUSENOFILTER
+
+#define GINPUT_MOUSE_NUM_PORTS 1 // The total number of mouse/touch inputs supported
+
+// Event types for the mouse ginput source
+#define GEVENT_MOUSE (GEVENT_GINPUT_FIRST+0)
+#define GEVENT_TOUCH (GEVENT_GINPUT_FIRST+1)
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+ /**
+ * @brief Creates an instance of a mouse and returns the Source handler
+ * @note HACK: if the instance is 9999, it is treated as instance 0 except
+ * that no calibration will be performed!
+ *
+ * @param[in] instance The ID of the mouse input instance (from 0 to 9999)
+ *
+ * @return The source handle of the created instance
+ */
+ GSourceHandle ginputGetMouse(uint16_t instance);
+
+ /**
+ * @brief Assign the display associated with the mouse
+ * @note This only needs to be called if the mouse is associated with a display
+ * other than the current default display. It must be called before
+ * @p ginputGetMouse() if the new display is to be used during the calibration
+ * process. Other than calibration the display is used for range checking,
+ * and may also be used to display a mouse pointer.
+ *
+ * @param[in] instance The ID of the mouse input instance
+ * @param[in] g The GDisplay to which this mouse belongs
+ */
+ void ginputSetMouseDisplay(uint16_t instance, GDisplay *g);
+
+ /**
+ * @brief Get the display currently associated with the mouse
+ * @return A pointer to the display
+ *
+ * @param[in] instance The ID of the mouse input instance
+ */
+ GDisplay *ginputGetMouseDisplay(uint16_t instance);
+
+ /**
+ * @brief Get the current mouse position and button status
+ * @note Unlinke a listener event, this status cannot record meta events such as
+ * "CLICK".
+ *
+ * @param[in] instance The ID of the mouse input instance
+ * @param[in] pmouse The mouse event
+ *
+ * @return FALSE on an error (eg. invalid instance)
+ */
+ bool_t ginputGetMouseStatus(uint16_t instance, GEventMouse *pmouse);
+
+ /**
+ * @brief Performs a calibration
+ *
+ * @param[in] instance The ID of the mouse input instance
+ *
+ * @return FALSE if the driver dosen't support a calibration of if the handle is invalid
+ */
+ bool_t ginputCalibrateMouse(uint16_t instance);
+
+ /* Set the routines to save and fetch calibration data.
+ * This function should be called before first calling ginputGetMouse() for a particular instance
+ * as the gdispGetMouse() routine may attempt to fetch calibration data and perform a startup calibration if there is no way to get it.
+ * If this is called after gdispGetMouse() has been called and the driver requires calibration storage, it will immediately save the data is has already obtained.
+ * The 'requireFree' parameter indicates if the fetch buffer must be free()'d to deallocate the buffer provided by the Fetch routine.
+ */
+ typedef void (*GMouseCalibrationSaveRoutine)(uint16_t instance, const uint8_t *calbuf, size_t sz); // Save calibration data
+ typedef const char * (*GMouseCalibrationLoadRoutine)(uint16_t instance); // Load calibration data (returns NULL if not data saved)
+
+ /**
+ * @brief Set the routines to store and restore calibration data
+ *
+ * @details This function should be called before first calling ginputGetMouse() for a particular instance
+ * as the gdispGetMouse() routine may attempt to fetch calibration data and perform a startup calibration if there is no way to get it.
+ * If this is called after gdispGetMouse() has been called and the driver requires calibration storage, it will immediately save the
+ * data is has already obtained.
+ *
+ * @param[in] instance The ID of the mouse input instance
+ * @param[in] fnsave The routine to save the data
+ * @param[in] fnload The routine to restore the data
+ * @param[in] requireFree TRUE if the buffer returned by the load function must be freed by the mouse code.
+ */
+ void ginputSetMouseCalibrationRoutines(uint16_t instance, GMouseCalibrationSaveRoutine fnsave, GMouseCalibrationLoadRoutine fnload, bool_t requireFree);
+
+ /**
+ * @brief Test if a particular mouse/touch instance requires routines to save it's alibration data
+ * @note Not implemented yet
+ *
+ * @param[in] instance The ID of the mouse input instance
+ *
+ * @return TRUE if needed
+ */
+ bool_t ginputRequireMouseCalibrationStorage(uint16_t instance);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GINPUT_NEED_MOUSE */
+
+#endif /* _GINPUT_MOUSE_H */
+/** @} */
+