80 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
| /**
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|  * @file mousewheel.h
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|  *
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|  */
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| 
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| #ifndef MOUSEWHEEL_H
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| #define MOUSEWHEEL_H
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| 
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| #ifdef __cplusplus
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| extern "C" {
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| #endif
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| 
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| /*********************
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|  *      INCLUDES
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|  *********************/
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| #ifndef LV_DRV_NO_CONF
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| #ifdef LV_CONF_INCLUDE_SIMPLE
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| #include "lv_drv_conf.h"
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| #else
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| #include "../../lv_drv_conf.h"
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| #endif
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| #endif
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| 
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| #if USE_MOUSEWHEEL
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| 
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| #ifdef LV_LVGL_H_INCLUDE_SIMPLE
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| #include "lvgl.h"
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| #else
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| #include "lvgl/lvgl.h"
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| #endif
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| 
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| #ifndef MONITOR_SDL_INCLUDE_PATH
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| #define MONITOR_SDL_INCLUDE_PATH <SDL2/SDL.h>
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| #endif
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| 
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| #include MONITOR_SDL_INCLUDE_PATH
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| 
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| /*********************
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|  *      DEFINES
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|  *********************/
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| 
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| /**********************
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|  *      TYPEDEFS
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|  **********************/
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| 
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| /**********************
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|  * GLOBAL PROTOTYPES
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|  **********************/
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| 
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| /**
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|  * Initialize the encoder
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|  */
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| void mousewheel_init(void);
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| 
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| /**
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|  * Get encoder (i.e. mouse wheel) ticks difference and pressed state
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|  * @param indev_drv pointer to the related input device driver
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|  * @param data store the read data here
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|  * @return false: all ticks and button state are handled
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|  */
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| bool mousewheel_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data);
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| 
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| /**
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|  * It is called periodically from the SDL thread to check a key is pressed/released
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|  * @param event describes the event
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|  */
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| void mousewheel_handler(SDL_Event *event);
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| 
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| /**********************
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|  *      MACROS
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|  **********************/
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| 
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| #endif /*USE_MOUSEWHEEL*/
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| 
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| #ifdef __cplusplus
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| } /* extern "C" */
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| #endif
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| 
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| #endif /*MOUSEWHEEL_H*/
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