mirror of
https://github.com/suchmememanyskill/TegraExplorer.git
synced 2024-12-25 02:46:09 +00:00
d6c4204027
Based on lockpick_rcm 1.9.0
347 lines
11 KiB
C
347 lines
11 KiB
C
/**
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* @file lv_cb.c
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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#include "lv_cb.h"
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#if USE_LV_CB != 0
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#include "../lv_core/lv_group.h"
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#include "../lv_themes/lv_theme.h"
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/*********************
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* DEFINES
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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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* STATIC PROTOTYPES
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**********************/
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static bool lv_cb_design(lv_obj_t * cb, const lv_area_t * mask, lv_design_mode_t mode);
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static bool lv_bullet_design(lv_obj_t * bullet, const lv_area_t * mask, lv_design_mode_t mode);
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static lv_res_t lv_cb_signal(lv_obj_t * cb, lv_signal_t sign, void * param);
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/**********************
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* STATIC VARIABLES
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**********************/
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static lv_design_func_t ancestor_bg_design;
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static lv_design_func_t ancestor_bullet_design;
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static lv_signal_func_t ancestor_signal;
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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/**
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* Create a check box objects
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* @param par pointer to an object, it will be the parent of the new check box
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* @param copy pointer to a check box object, if not NULL then the new object will be copied from it
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* @return pointer to the created check box
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*/
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lv_obj_t * lv_cb_create(lv_obj_t * par, const lv_obj_t * copy)
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{
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LV_LOG_TRACE("check box create started");
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/*Create the ancestor basic object*/
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lv_obj_t * new_cb = lv_btn_create(par, copy);
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lv_mem_assert(new_cb);
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if(new_cb == NULL) return NULL;
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if(ancestor_signal == NULL) ancestor_signal = lv_obj_get_signal_func(new_cb);
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if(ancestor_bg_design == NULL) ancestor_bg_design = lv_obj_get_design_func(new_cb);
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lv_cb_ext_t * ext = lv_obj_allocate_ext_attr(new_cb, sizeof(lv_cb_ext_t));
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lv_mem_assert(ext);
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if(ext == NULL) return NULL;
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ext->bullet = NULL;
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ext->label = NULL;
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lv_obj_set_signal_func(new_cb, lv_cb_signal);
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lv_obj_set_design_func(new_cb, lv_cb_design);
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/*Init the new checkbox object*/
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if(copy == NULL) {
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ext->bullet = lv_btn_create(new_cb, NULL);
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if(ancestor_bullet_design == NULL) ancestor_bullet_design = lv_obj_get_design_func(ext->bullet);
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lv_obj_set_click(ext->bullet, false);
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ext->label = lv_label_create(new_cb, NULL);
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lv_cb_set_text(new_cb, "Check box");
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lv_btn_set_layout(new_cb, LV_LAYOUT_ROW_M);
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lv_btn_set_fit(new_cb, true, true);
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lv_btn_set_toggle(new_cb, true);
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lv_obj_set_protect(new_cb, LV_PROTECT_PRESS_LOST);
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/*Set the default styles*/
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lv_theme_t * th = lv_theme_get_current();
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if(th) {
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lv_cb_set_style(new_cb, LV_CB_STYLE_BG, th->cb.bg);
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lv_cb_set_style(new_cb, LV_CB_STYLE_BOX_REL, th->cb.box.rel);
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lv_cb_set_style(new_cb, LV_CB_STYLE_BOX_PR, th->cb.box.pr);
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lv_cb_set_style(new_cb, LV_CB_STYLE_BOX_TGL_REL, th->cb.box.tgl_rel);
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lv_cb_set_style(new_cb, LV_CB_STYLE_BOX_TGL_PR, th->cb.box.tgl_pr);
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lv_cb_set_style(new_cb, LV_CB_STYLE_BOX_INA, th->cb.box.ina);
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} else {
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lv_cb_set_style(new_cb, LV_CB_STYLE_BG, &lv_style_transp);
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lv_cb_set_style(new_cb, LV_CB_STYLE_BOX_REL, &lv_style_pretty);
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}
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} else {
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lv_cb_ext_t * copy_ext = lv_obj_get_ext_attr(copy);
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ext->bullet = lv_btn_create(new_cb, copy_ext->bullet);
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ext->label = lv_label_create(new_cb, copy_ext->label);
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/*Refresh the style with new signal function*/
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lv_obj_refresh_style(new_cb);
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}
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lv_obj_set_design_func(ext->bullet, lv_bullet_design);
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LV_LOG_INFO("check box created");
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return new_cb;
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}
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/*=====================
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* Setter functions
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*====================*/
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/**
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* Set the text of a check box
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* @param cb pointer to a check box
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* @param txt the text of the check box
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*/
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void lv_cb_set_text(lv_obj_t * cb, const char * txt)
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{
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lv_cb_ext_t * ext = lv_obj_get_ext_attr(cb);
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lv_label_set_text(ext->label, txt);
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}
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/**
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* Set a style of a check box
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* @param cb pointer to check box object
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* @param type which style should be set
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* @param style pointer to a style
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* */
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void lv_cb_set_style(lv_obj_t * cb, lv_cb_style_t type, lv_style_t * style)
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{
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lv_cb_ext_t * ext = lv_obj_get_ext_attr(cb);
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switch(type) {
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case LV_CB_STYLE_BG:
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lv_btn_set_style(cb, LV_BTN_STYLE_REL, style);
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lv_btn_set_style(cb, LV_BTN_STYLE_PR, style);
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lv_btn_set_style(cb, LV_BTN_STYLE_TGL_REL, style);
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lv_btn_set_style(cb, LV_BTN_STYLE_TGL_PR, style);
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lv_btn_set_style(cb, LV_BTN_STYLE_INA, style);
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break;
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case LV_CB_STYLE_BOX_REL:
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lv_btn_set_style(ext->bullet, LV_BTN_STYLE_REL, style);
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break;
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case LV_CB_STYLE_BOX_PR:
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lv_btn_set_style(ext->bullet, LV_BTN_STYLE_PR, style);
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break;
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case LV_CB_STYLE_BOX_TGL_REL:
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lv_btn_set_style(ext->bullet, LV_BTN_STYLE_TGL_REL, style);
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break;
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case LV_CB_STYLE_BOX_TGL_PR:
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lv_btn_set_style(ext->bullet, LV_BTN_STYLE_TGL_PR, style);
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break;
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case LV_CB_STYLE_BOX_INA:
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lv_btn_set_style(ext->bullet, LV_BTN_STYLE_INA, style);
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break;
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}
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}
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/*=====================
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* Getter functions
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*====================*/
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/**
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* Get the text of a check box
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* @param cb pointer to check box object
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* @return pointer to the text of the check box
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*/
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const char * lv_cb_get_text(const lv_obj_t * cb)
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{
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lv_cb_ext_t * ext = lv_obj_get_ext_attr(cb);
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return lv_label_get_text(ext->label);
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}
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/**
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* Get a style of a button
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* @param cb pointer to check box object
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* @param type which style should be get
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* @return style pointer to the style
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* */
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lv_style_t * lv_cb_get_style(const lv_obj_t * cb, lv_cb_style_t type)
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{
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lv_style_t * style = NULL;
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lv_cb_ext_t * ext = lv_obj_get_ext_attr(cb);
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switch(type) {
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case LV_CB_STYLE_BOX_REL:
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style = lv_btn_get_style(ext->bullet, LV_BTN_STYLE_REL);
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break;
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case LV_CB_STYLE_BOX_PR:
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style = lv_btn_get_style(ext->bullet, LV_BTN_STYLE_PR);
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break;
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case LV_CB_STYLE_BOX_TGL_REL:
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style = lv_btn_get_style(ext->bullet, LV_BTN_STYLE_TGL_REL);
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break;
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case LV_CB_STYLE_BOX_TGL_PR:
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style = lv_btn_get_style(ext->bullet, LV_BTN_STYLE_TGL_PR);
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break;
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case LV_CB_STYLE_BOX_INA:
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style = lv_btn_get_style(ext->bullet, LV_BTN_STYLE_INA);
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break;
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default:
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style = NULL;
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break;
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}
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return style;
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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/**
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* Handle the drawing related tasks of the check boxes
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* @param cb pointer to an object
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* @param mask the object will be drawn only in this area
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* @param mode LV_DESIGN_COVER_CHK: only check if the object fully covers the 'mask_p' area
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* (return 'true' if yes)
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* LV_DESIGN_DRAW: draw the object (always return 'true')
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* LV_DESIGN_DRAW_POST: drawing after every children are drawn
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* @param return true/false, depends on 'mode'
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*/
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static bool lv_cb_design(lv_obj_t * cb, const lv_area_t * mask, lv_design_mode_t mode)
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{
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bool result = true;
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if(mode == LV_DESIGN_COVER_CHK) {
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/*Return false if the object is not covers the mask_p area*/
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result = ancestor_bg_design(cb, mask, mode);
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} else if(mode == LV_DESIGN_DRAW_MAIN || mode == LV_DESIGN_DRAW_POST) {
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lv_cb_ext_t * cb_ext = lv_obj_get_ext_attr(cb);
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lv_btn_ext_t * bullet_ext = lv_obj_get_ext_attr(cb_ext->bullet);
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/*Be sure the state of the bullet is the same as the parent button*/
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bullet_ext->state = cb_ext->bg_btn.state;
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result = ancestor_bg_design(cb, mask, mode);
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} else {
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result = ancestor_bg_design(cb, mask, mode);
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}
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return result;
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}
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/**
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* Handle the drawing related tasks of the check boxes
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* @param bullet pointer to an object
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* @param mask the object will be drawn only in this area
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* @param mode LV_DESIGN_COVER_CHK: only check if the object fully covers the 'mask_p' area
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* (return 'true' if yes)
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* LV_DESIGN_DRAW: draw the object (always return 'true')
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* LV_DESIGN_DRAW_POST: drawing after every children are drawn
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* @param return true/false, depends on 'mode'
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*/
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static bool lv_bullet_design(lv_obj_t * bullet, const lv_area_t * mask, lv_design_mode_t mode)
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{
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if(mode == LV_DESIGN_COVER_CHK) {
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return ancestor_bullet_design(bullet, mask, mode);
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} else if(mode == LV_DESIGN_DRAW_MAIN) {
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#if USE_LV_GROUP
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/* If the check box is the active in a group and
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* the background is not visible (transparent or empty)
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* then activate the style of the bullet*/
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lv_style_t * style_ori = lv_obj_get_style(bullet);
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lv_obj_t * bg = lv_obj_get_parent(bullet);
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lv_style_t * style_page = lv_obj_get_style(bg);
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lv_group_t * g = lv_obj_get_group(bg);
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if(style_page->body.empty != 0 || style_page->body.opa == LV_OPA_TRANSP) { /*Background is visible?*/
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if(lv_group_get_focused(g) == bg) {
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lv_style_t * style_mod;
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style_mod = lv_group_mod_style(g, style_ori);
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bullet->style_p = style_mod; /*Temporally change the style to the activated */
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}
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}
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#endif
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ancestor_bullet_design(bullet, mask, mode);
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#if USE_LV_GROUP
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bullet->style_p = style_ori; /*Revert the style*/
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#endif
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} else if(mode == LV_DESIGN_DRAW_POST) {
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ancestor_bullet_design(bullet, mask, mode);
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}
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return true;
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}
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/**
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* Signal function of the check box
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* @param cb pointer to a check box object
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* @param sign a signal type from lv_signal_t enum
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* @param param pointer to a signal specific variable
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* @return LV_RES_OK: the object is not deleted in the function; LV_RES_INV: the object is deleted
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*/
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static lv_res_t lv_cb_signal(lv_obj_t * cb, lv_signal_t sign, void * param)
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{
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lv_res_t res;
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/* Include the ancient signal function */
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res = ancestor_signal(cb, sign, param);
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if(res != LV_RES_OK) return res;
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lv_cb_ext_t * ext = lv_obj_get_ext_attr(cb);
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if(sign == LV_SIGNAL_STYLE_CHG) {
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lv_style_t * label_style = lv_label_get_style(ext->label);
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lv_obj_set_size(ext->bullet, lv_font_get_height(label_style->text.font), lv_font_get_height(label_style->text.font));
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lv_btn_set_state(ext->bullet, lv_btn_get_state(cb));
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} else if(sign == LV_SIGNAL_PRESSED ||
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sign == LV_SIGNAL_RELEASED ||
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sign == LV_SIGNAL_PRESS_LOST) {
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lv_btn_set_state(ext->bullet, lv_btn_get_state(cb));
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} else if(sign == LV_SIGNAL_CONTROLL) {
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char c = *((char *)param);
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if(c == LV_GROUP_KEY_RIGHT || c == LV_GROUP_KEY_DOWN ||
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c == LV_GROUP_KEY_LEFT || c == LV_GROUP_KEY_UP ||
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c == LV_GROUP_KEY_ENTER) {
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lv_btn_set_state(ext->bullet, lv_btn_get_state(cb));
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}
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} else if(sign == LV_SIGNAL_GET_TYPE) {
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lv_obj_type_t * buf = param;
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uint8_t i;
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for(i = 0; i < LV_MAX_ANCESTOR_NUM - 1; i++) { /*Find the last set data*/
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if(buf->type[i] == NULL) break;
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}
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buf->type[i] = "lv_cb";
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}
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return res;
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}
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#endif
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