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start to implement the new generic event system

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This commit is contained in:
Gabor Kiss-Vamosi
2019-02-26 09:25:46 +01:00
parent cc3ef640da
commit 50e69bab6b
49 changed files with 403 additions and 806 deletions
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71
lv_core/lv_obj.h
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@@ -62,7 +62,7 @@ enum
};
typedef uint8_t lv_design_mode_t;
typedef bool (* lv_design_func_t) (struct _lv_obj_t * obj, const lv_area_t * mask_p, lv_design_mode_t mode);
typedef bool (* lv_design_cb_t) (struct _lv_obj_t * obj, const lv_area_t * mask_p, lv_design_mode_t mode);
enum
{
@@ -71,6 +71,30 @@ enum
};
typedef uint8_t lv_res_t;
typedef enum {
LV_EVENT_PRESSED,
LV_EVENT_PRESSING,
LV_EVENT_PRESS_LOST,
LV_EVENT_RELEASED,
LV_EVENT_CLICKED,
LV_EVENT_LONG_PRESSED,
LV_EVENT_LONG_PRESSED_REPEAT,
LV_EVENT_LONG_HOVER_IN,
LV_EVENT_LONG_HOVER_OUT,
LV_EVENT_DRAG_BEGIN,
LV_EVENT_DRAG_END,
LV_EVENT_DRAG_THROW_BEGIN,
LV_EVENT_FOCUSED,
LV_EVENT_DEFOCUSED,
LV_EVENT_VALUE_CHANGED,
LV_EVENT_REFRESH,
LV_EVENT_APPLY, /*"Ok", "Apply" or similar specific button has clicked*/
LV_EVENT_CANCEL, /*"Close", "Cancel" or similar specific button has clicked*/
}lv_event_t;
typedef void (*lv_event_cb_t)(struct _lv_obj_t * obj, lv_event_t event);
enum
{
/*General signals*/
@@ -102,7 +126,7 @@ enum
};
typedef uint8_t lv_signal_t;
typedef lv_res_t (* lv_signal_func_t) (struct _lv_obj_t * obj, lv_signal_t sign, void * param);
typedef lv_res_t (* lv_signal_cb_t) (struct _lv_obj_t * obj, lv_signal_t sign, void * param);
enum
{
@@ -149,8 +173,9 @@ typedef struct _lv_obj_t
lv_area_t coords; /*Coordinates of the object (x1, y1, x2, y2)*/
lv_signal_func_t signal_func; /*Object type specific signal function*/
lv_design_func_t design_func; /*Object type specific design function*/
lv_event_cb_t event_cb;
lv_signal_cb_t signal_cb; /*Object type specific signal function*/
lv_design_cb_t design_cb; /*Object type specific design function*/
void * ext_attr; /*Object type specific extended data*/
lv_style_t * style_p; /*Pointer to the object's style*/
@@ -183,8 +208,6 @@ typedef struct _lv_obj_t
#endif
} lv_obj_t;
typedef lv_res_t (*lv_action_t) (struct _lv_obj_t * obj);
/*Protect some attributes (max. 8 bit)*/
enum
{
@@ -462,19 +485,41 @@ void lv_obj_set_protect(lv_obj_t * obj, uint8_t prot);
void lv_obj_clear_protect(lv_obj_t * obj, uint8_t prot);
/**
* Set the signal function of an object.
* Set a an event handler function for an object.
* Used by the user to react on event which happens with the object.
* @param obj pointer to an object
* @param cb the new event function
*/
void lv_obj_set_event_cb(lv_obj_t * obj, lv_event_cb_t cb);
/**
* Send an event to the object
* @param obj pointer to an object
* @param event the type of the event from `lv_event_t`.
*/
void lv_obj_send_event(lv_obj_t * obj, lv_event_t event);
/**
* Set the a signal function of an object. Used internally by the library.
* Always call the previous signal function in the new.
* @param obj pointer to an object
* @param fp the new signal function
* @param cb the new signal function
*/
void lv_obj_set_signal_func(lv_obj_t * obj, lv_signal_func_t fp);
void lv_obj_set_signal_cb(lv_obj_t * obj, lv_signal_cb_t cb);
/**
* Send an event to the object
* @param obj pointer to an object
* @param event the type of the event from `lv_event_t`.
*/
void lv_obj_send_signal(lv_obj_t * obj, lv_signal_t signal, void * param);
/**
* Set a new design function for an object
* @param obj pointer to an object
* @param fp the new design function
* @param cb the new design function
*/
void lv_obj_set_design_func(lv_obj_t * obj, lv_design_func_t fp);
void lv_obj_set_design_cb(lv_obj_t * obj, lv_design_cb_t cb);
/*----------------
* Other set
@@ -725,14 +770,14 @@ bool lv_obj_is_protected(const lv_obj_t * obj, uint8_t prot);
* @param obj pointer to an object
* @return the signal function
*/
lv_signal_func_t lv_obj_get_signal_func(const lv_obj_t * obj);
lv_signal_cb_t lv_obj_get_signal_func(const lv_obj_t * obj);
/**
* Get the design function of an object
* @param obj pointer to an object
* @return the design function
*/
lv_design_func_t lv_obj_get_design_func(const lv_obj_t * obj);
lv_design_cb_t lv_obj_get_design_func(const lv_obj_t * obj);
/*------------------
* Other get