LVGL 库提交

2026-08-30 08:57:07 +08:00
parent 26c9098630
commit e2f199c6bf
1056 changed files with 556743 additions and 45 deletions
@@ -0,0 +1,101 @@
+/**
+ * @file lv_libinput.h
+ *
+ */
+
+#ifndef LV_LIBINPUT_H
+#define LV_LIBINPUT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#include "../../indev/lv_indev.h"
+
+#if LV_USE_LIBINPUT
+
+#include <poll.h>
+#include <pthread.h>
+
+#if LV_LIBINPUT_XKB
+#include "lv_xkb.h"
+#endif /* LV_LIBINPUT_XKB */
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+typedef enum {
+    LV_LIBINPUT_CAPABILITY_NONE     = 0,
+    LV_LIBINPUT_CAPABILITY_KEYBOARD = 1U << 0,
+    LV_LIBINPUT_CAPABILITY_POINTER  = 1U << 1,
+    LV_LIBINPUT_CAPABILITY_TOUCH    = 1U << 2
+} lv_libinput_capability;
+
+struct libinput_device;
+
+#define LV_LIBINPUT_MAX_EVENTS 32
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+/**
+ * Determine the capabilities of a specific libinput device.
+ * @param device the libinput device to query
+ * @return the supported input capabilities
+ */
+lv_libinput_capability lv_libinput_query_capability(struct libinput_device * device);
+
+/**
+ * Find connected input device with specific capabilities
+ * @param capabilities required device capabilities
+ * @param force_rescan erase the device cache (if any) and rescan the file system for available devices
+ * @return device node path (e.g. /dev/input/event0) for the first matching device or NULL if no device was found.
+ *         The pointer is safe to use until the next forceful device search.
+ */
+char * lv_libinput_find_dev(lv_libinput_capability capabilities, bool force_rescan);
+
+/**
+ * Find connected input devices with specific capabilities
+ * @param capabilities required device capabilities
+ * @param devices pre-allocated array to store the found device node paths (e.g. /dev/input/event0). The pointers are
+ *                safe to use until the next forceful device search.
+ * @param count maximum number of devices to find (the devices array should be at least this long)
+ * @param force_rescan erase the device cache (if any) and rescan the file system for available devices
+ * @return number of devices that were found
+ */
+size_t lv_libinput_find_devs(lv_libinput_capability capabilities, char ** found, size_t count, bool force_rescan);
+
+/**
+ * Create a new libinput input device
+ * @param type LV_INDEV_TYPE_POINTER or LV_INDEV_TYPE_KEYPAD
+ * @param dev_path device path, e.g. /dev/input/event0
+ * @return pointer to input device or NULL if opening failed
+ */
+lv_indev_t * lv_libinput_create(lv_indev_type_t indev_type, const char * dev_path);
+
+/**
+ * Delete a libinput input device
+ * @param indev pointer to input device
+ */
+void lv_libinput_delete(lv_indev_t * indev);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#endif /* LV_USE_LIBINPUT */
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* LV_LIBINPUT_H */