github-code/lvgl
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

new_style: implement generic style set/get functions

Browse Source
This commit is contained in:
Gabor Kiss-Vamosi
2019-12-17 09:20:40 +01:00
parent a101e9a3e5
commit 02ca70c691
8 changed files with 268 additions and 200 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
src/lv_core/lv_obj.h
View File

@@ -30,6 +30,7 @@ extern "C" {
#include "../lv_misc/lv_log.h"
#include "../lv_misc/lv_bidi.h"
#include "../lv_hal/lv_hal.h"
#include "../lv_draw/lv_draw_rect.h"
/*********************
* DEFINES
@@ -46,9 +47,9 @@ extern "C" {
#define LV_MAX_ANCESTOR_NUM 8
#define LV_EXT_CLICK_AREA_OFF 0
#define LV_EXT_CLICK_AREA_TINY 1
#define LV_EXT_CLICK_AREA_FULL 2
#define LV_EXT_CLICK_AREA_OFF 0
#define LV_EXT_CLICK_AREA_TINY 1
#define LV_EXT_CLICK_AREA_FULL 2
/**********************
* TYPEDEFS
@@ -126,6 +127,7 @@ enum {
LV_SIGNAL_BASE_DIR_CHG, /**<The base dir has changed*/
LV_SIGNAL_REFR_EXT_DRAW_PAD, /**< Object's extra padding has changed */
LV_SIGNAL_GET_TYPE, /**< LittlevGL needs to retrieve the object's type */
LV_SIGNAL_GET_STYLE, /**<Get the style of an object*/
/*Input device related*/
LV_SIGNAL_PRESSED, /**< The object has been pressed*/
@@ -187,11 +189,6 @@ typedef struct
} lv_reailgn_t;
#endif
typedef struct _lv_obj_style_chian_t {
lv_style_t * style;
struct _lv_obj_style_chian_t * next;
}lv_obj_style_chian_t;
typedef struct _lv_obj_t
{
struct _lv_obj_t * par; /**< Pointer to the parent object*/
@@ -204,8 +201,7 @@ typedef struct _lv_obj_t
lv_design_cb_t design_cb; /**< Object type specific design function*/
void * ext_attr; /**< Object type specific extended data*/
lv_style_t style_local;
lv_obj_style_chian_t style_chain;
lv_style_dsc_t style_dsc;
#if LV_USE_GROUP != 0
void * group_p; /**< Pointer to the group of the object*/
@@ -248,6 +244,12 @@ typedef struct _lv_obj_t
} lv_obj_t;
enum {
LV_OBJ_STYLE_MAIN
};
typedef uint8_t lv_obj_style_t;
/*Protect some attributes (max. 8 bit)*/
enum {
LV_PROTECT_NONE = 0x00,
@@ -454,11 +456,12 @@ void lv_obj_set_style_value(lv_obj_t * obj, lv_style_property_t prop, lv_style_v
void lv_obj_set_style_opa(lv_obj_t * obj, lv_style_property_t prop, lv_opa_t opa);
void lv_obj_add_style_class(lv_obj_t * obj, uint8_t type, lv_style_t * style);
/**
* Notify an object about its style is modified
* @param obj pointer to an object
*/
void lv_obj_refresh_style(lv_obj_t * obj);
void lv_obj_refresh_style(lv_obj_t * obj, uint8_t type);
/**
* Notify all object if a style is modified
@@ -604,12 +607,14 @@ const void * lv_event_get_data(void);
*/
void lv_obj_set_signal_cb(lv_obj_t * obj, lv_signal_cb_t signal_cb);
/**
* Send an event to the object
* @param obj pointer to an object
* @param event the type of the event from `lv_event_t`.
* @return LV_RES_OK or LV_RES_INV
*/
void lv_signal_send(lv_obj_t * obj, lv_signal_t signal, void * param);
lv_res_t lv_signal_send(lv_obj_t * obj, lv_signal_t signal, void * param);
/**
* Set a new design function for an object
@@ -802,11 +807,13 @@ lv_coord_t lv_obj_get_ext_draw_pad(const lv_obj_t * obj);
* Appearance get
*---------------*/
lv_style_value_t lv_obj_get_style_value(const lv_obj_t * obj, lv_style_property_t prop);
lv_style_dsc_t * lv_obj_get_style(const lv_obj_t * obj, uint8_t type);
lv_color_t lv_obj_get_style_color(const lv_obj_t * obj, lv_style_property_t prop);
lv_style_value_t lv_obj_get_style_value(const lv_obj_t * obj, uint8_t type, lv_style_property_t prop);
lv_opa_t lv_obj_get_style_opa(const lv_obj_t * obj, lv_style_property_t prop);
lv_color_t lv_obj_get_style_color(const lv_obj_t * obj, uint8_t type, lv_style_property_t prop);
lv_opa_t lv_obj_get_style_opa(const lv_obj_t * obj, uint8_t type, lv_style_property_t prop);
///**
// * Get the style pointer of an object (if NULL get style of the parent)
@@ -1001,6 +1008,18 @@ bool lv_obj_is_focused(const lv_obj_t * obj);
*/
lv_res_t lv_obj_handle_get_type_signal(lv_obj_type_t * buf, const char * name);
/**
* Initialize a rectangle descriptor from an object's styles
* @param obj pointer to an object
* @param type type of style. E.g. `LV_OBJ_STYLE_MAIN`, `LV_BTN_STYLE_REL` or `LV_PAGE_STYLE_SCRL`
* @param draw_dsc the descriptor the initialize
* @note Only the relevant fields will be set.
* E.g. if `border width == 0` the other border properties won't be evaluated.
*/
void lv_obj_init_draw_rect_dsc(lv_obj_t * obj, uint8_t type, lv_draw_rect_dsc_t * draw_dsc);
/**********************
* MACROS
**********************/