mpotapov/LVGL-simulation-example
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add support for mouse wheel

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This commit is contained in:
Igor Janjatovic 2021-06-13 13:10:38 +02:00
parent cdefeaa6ce
commit d3af18dcbd
1 changed files with 10 additions and 2 deletions
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12
main/src/main.c
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@ -17,6 +17,7 @@
#include "lv_drivers/display/monitor.h" #include "lv_drivers/display/monitor.h"
#include "lv_drivers/indev/mouse.h" #include "lv_drivers/indev/mouse.h"
#include "lv_drivers/indev/keyboard.h" #include "lv_drivers/indev/keyboard.h"
#include "lv_drivers/indev/mousewheel.h"
#include "lv_examples/lv_examples.h" #include "lv_examples/lv_examples.h"
/********************* /*********************
@ -120,12 +121,19 @@ static void hal_init(void) {
/* Add the keyboard as input device /* Add the keyboard as input device
* Use the 'keyboard' driver which reads the PC's keyboard*/ * Use the 'keyboard' driver which reads the PC's keyboard*/
static lv_indev_drv_t keyb_drv; static lv_indev_drv_t keyb_drv;
lv_indev_drv_init(&keyb_drv); /*Basic initialization*/ lv_indev_drv_init(&keyb_drv);
keyb_drv.type = LV_INDEV_TYPE_KEYPAD; keyb_drv.type = LV_INDEV_TYPE_KEYPAD;
keyb_drv.read_cb = keyboard_read; keyb_drv.read_cb = keyboard_read;
/*Register the driver in LVGL and save the created input device object*/
lv_indev_drv_register(&keyb_drv); lv_indev_drv_register(&keyb_drv);
/* Add the mouse wheel as input device (encoder type)
* Use the 'mousewheel' driver which reads the PC's mouse wheel*/
static lv_indev_drv_t enc_drv;
lv_indev_drv_init(&enc_drv);
enc_drv.type = LV_INDEV_TYPE_ENCODER;
enc_drv.read_cb = mousewheel_read;
lv_indev_drv_register(&enc_drv);
/* Tick init. /* Tick init.
* You have to call 'lv_tick_inc()' in periodically to inform LittelvGL about * You have to call 'lv_tick_inc()' in periodically to inform LittelvGL about
* how much time were elapsed Create an SDL thread to do this*/ * how much time were elapsed Create an SDL thread to do this*/