/** * @file lv_templ.c * */ /*Search an replace: template -> object normal name with lower case (e.g. button, label etc.) * templ -> object short name with lower case(e.g. btn, label etc) * TEMPL -> object short name with upper case (e.g. BTN, LABEL etc.) * */ /********************* * INCLUDES *********************/ #include "lv_conf.h" #if USE_LV_TEMPL != 0 #include "lv_templ.h" /********************* * DEFINES *********************/ /********************** * TYPEDEFS **********************/ /********************** * STATIC PROTOTYPES **********************/ static bool lv_templ_design(lv_obj_t* obj_dp, const area_t * mask_p, lv_design_mode_t mode); /********************** * STATIC VARIABLES **********************/ static lv_templs_t lv_templs_def = { /*Create a default style*/ }; /********************** * MACROS **********************/ /********************** * GLOBAL FUNCTIONS **********************/ /*----------------- * Create function *-----------------*/ /** * Create a template objects * @param par_dp pointer to an object, it will be the parent of the new template * @param copy_dp pointer to a template object, if not NULL then the new object will be copied from it * @return pointer to the created template */ lv_obj_t* lv_templ_create(lv_obj_t* par_dp, lv_obj_t * copy_dp) { /*Create the ancestor basic object*/ lv_obj_t* new_obj_dp = lv_obj_create(par_dp, copy_dp); dm_assert(new_obj_dp); /*Allocate the object type specific extended data*/ lv_templ_ext_t * ext_dp = lv_obj_alloc_ext(new_obj_dp, sizeof(lv_templ_ext_t)); dm_assert(ext_dp); /*Init the new template object*/ if(copy_dp == NULL) { lv_obj_set_signal_f(new_obj_dp, lv_templ_signal); } else { } return new_obj_dp; } /** * Signal function of the template * @param obj_dp pointer to a template object * @param sign a signal type from lv_signal_t enum * @param param pointer to a signal specific variable */ bool lv_templ_signal(lv_obj_t* obj_dp, lv_signal_t sign, void * param) { bool valid; /* Include the ancient signal function */ /* TODO update it to the ancient signal function*/ valid = lv_obj_signal(obj_dp, sign, param); /* The object can be deleted so check its validity and then * make the object specific signal handling */ if(valid != false) { switch(sign) { default: break; } } return valid; } /*===================== * Setter functions *====================*/ /*===================== * Getter functions *====================*/ /** * Return with a pointer to a built-in style and/or copy it to a variable * @param style a style name from lv_templs_builtin_t enum * @param copy_p copy the style to this variable. (NULL if unused) * @return pointer to an lv_templs_t style */ lv_templs_t * lv_templs_get(lv_templs_builtin_t style, lv_templs_t * copy_p) { lv_templs_t *style_p; switch(style) { case LV_TEMPLS_DEF: style_p = &lv_templs_def; break; default: style_p = &lv_templs_def; } if(copy_p != NULL) { if(style_p != NULL) memcpy(copy_p, style_p, sizeof(lv_templs_t)); else memcpy(copy_p, &lv_templs_def, sizeof(lv_templs_t)); } return style_p; } /********************** * STATIC FUNCTIONS **********************/ /** * Handle the drawing related tasks of the templates * @param obj_dp pointer to an object * @param mask the object will be drawn only in this area * @param mode LV_DESIGN_COVER_CHK: only check if the object fully covers the 'mask_p' area * (return 'true' if yes) * LV_DESIGN_DRAW: draw the object (always return 'true') * @param return true/false, depends on 'mode' */ static bool lv_templ_design(lv_obj_t* obj_dp, const area_t * mask_p, lv_design_mode_t mode) { if(mode == LV_DESIGN_COVER_CHK) { /*Return false if the object is not covers the mask_p area*/ return false; } /*Draw the object*/ return true; } #endif