1 /******************************************************************* 2 * 3 * @file lv_wayland.h - Public functions of the LVGL Wayland client 4 * 5 * Based on the original file from the repository. 6 * 7 * Porting to LVGL 9.1 8 * 2024 EDGEMTech Ltd. 9 * 10 * See LICENCE.txt for details 11 * 12 * Author(s): EDGEMTech Ltd, Erik Tagirov (erik.tagirov@edgemtech.ch) 13 * 14 ******************************************************************/ 15 #ifndef LV_WAYLAND_H 16 #define LV_WAYLAND_H 17 18 #ifndef _WIN32 19 20 #ifdef __cplusplus 21 extern "C" { 22 #endif 23 24 /********************* 25 * INCLUDES 26 *********************/ 27 28 #include "../../display/lv_display.h" 29 #include "../../indev/lv_indev.h" 30 #include "../../indev/lv_indev_gesture.h" 31 32 #if LV_USE_WAYLAND 33 34 /********************* 35 * DEFINES 36 *********************/ 37 38 /********************** 39 * TYPEDEFS 40 **********************/ 41 42 typedef bool (*lv_wayland_display_close_f_t)(lv_display_t * disp); 43 44 /********************** 45 * GLOBAL PROTOTYPES 46 **********************/ 47 48 /** 49 * Retrieves the file descriptor of the wayland socket 50 */ 51 int lv_wayland_get_fd(void); 52 53 /** 54 * Creates a window 55 * @param hor_res The width of the window in pixels 56 * @param ver_res The height of the window in pixels 57 * @param title The title of the window 58 * @param close_cb The callback that will be execute when the user closes the window 59 * @return The LVGL display associated to the window 60 */ 61 lv_display_t * lv_wayland_window_create(uint32_t hor_res, uint32_t ver_res, char * title, 62 lv_wayland_display_close_f_t close_cb); 63 64 /** 65 * Closes the window programmatically 66 * @param disp Reference to the LVGL display associated to the window 67 */ 68 void lv_wayland_window_close(lv_display_t * disp); 69 70 /** 71 * Check if the window is open 72 * @param disp Reference to the LVGL display associated to the window 73 * @return true: The window is open 74 */ 75 bool lv_wayland_window_is_open(lv_display_t * disp); 76 77 /** 78 * Sets the fullscreen state of the window 79 * @param disp Reference to the LVGL display associated to the window 80 * @param fullscreen If true the window enters fullscreen 81 */ 82 void lv_wayland_window_set_fullscreen(lv_display_t * disp, bool fullscreen); 83 84 /** 85 * Sets the maximized state of the window 86 * @param disp Reference to the LVGL display associated to the window 87 * @param fullscreen If true the window is maximized 88 */ 89 void lv_wayland_window_set_maximized(lv_display_t * disp, bool maximize); 90 91 /** 92 * Obtains the input device of the mouse pointer 93 * @note It is used to create an input group on application start 94 * @param disp Reference to the LVGL display associated to the window 95 * @return The input device 96 */ 97 lv_indev_t * lv_wayland_get_pointer(lv_display_t * disp); 98 99 /** 100 * Obtains the input device of the encoder 101 * @note It is used to create an input group on application start 102 * @param disp Reference to the LVGL display associated to the window 103 * @return The input device 104 */ 105 lv_indev_t * lv_wayland_get_pointeraxis(lv_display_t * disp); 106 107 /** 108 * Obtains the input device of the keyboard 109 * @note It is used to create an input group on application start 110 * @param disp Reference to the LVGL display associated to the window 111 * @return The input device 112 */ 113 lv_indev_t * lv_wayland_get_keyboard(lv_display_t * disp); 114 115 /** 116 * Obtains the input device of the touch screen 117 * @note It is used to create an input group on application start 118 * @param disp Reference to the LVGL display associated to the window 119 * @return The input device 120 */ 121 lv_indev_t * lv_wayland_get_touchscreen(lv_display_t * disp); 122 123 /** 124 * Wrapper around lv_timer_handler 125 * @note Must be called in the application run loop instead of the 126 * regular lv_timer_handler provided by LVGL 127 * @return true: if the cycle was completed, false if the application 128 * went to sleep because the last frame wasn't completed 129 */ 130 bool lv_wayland_timer_handler(void); 131 132 /********************** 133 * MACROS 134 **********************/ 135 136 #endif /* LV_USE_WAYLAND */ 137 138 #ifdef __cplusplus 139 } /* extern "C" */ 140 #endif 141 142 #endif /* _WIN32 */ 143 #endif /* WAYLAND_H */ 144
