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lv_ddlist: imporvement and bugfixes

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This commit is contained in:
Gabor
2017-02-06 16:05:02 +01:00
parent ca9b423f70
commit a2173ea4fe
2 changed files with 105 additions and 11 deletions
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35
lv_objx/lv_ddlist.h
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@@ -30,8 +30,9 @@ typedef struct
/*New data for this type */
lv_obj_t * opt_label; /*Label for the options*/
lv_action_res_t (*cb)(lv_obj_t *, uint16_t);
uint16_t act_opt;
uint16_t sel_opt;
uint8_t opened :1;
uint8_t auto_size :1;
}lv_ddlist_ext_t;
/*Style of drop down list*/
@@ -79,9 +80,16 @@ bool lv_ddlist_signal(lv_obj_t * ddlist, lv_signal_t sign, void * param);
*/
void lv_ddlist_set_options(lv_obj_t * ddlist, const char ** options);
/**
* Set the selected option
* @param ddlist pointer to drop down list object
* @param sel_opt id of the selected option (0 ... number of option - 1);
*/
void lv_ddlist_set_selected(lv_obj_t * ddlist, uint16_t sel_opt);
/**
* Set a function to call when a new option is chosen
* @param ddlist pointer to drop down list
* @param ddlist pointer to a drop down list
* @param cb pointer to a call back function. Its prototype is:
* parameter 1: pointer to the drop down list
* parameter 2: id of the chosen item (0 ... number of options - 1)
@@ -89,6 +97,15 @@ void lv_ddlist_set_options(lv_obj_t * ddlist, const char ** options);
*/
void lv_ddlist_set_action(lv_obj_t * ddlist, lv_action_res_t (*cb)(lv_obj_t *, uint16_t));
/**
* Set the auto size attribute. If enabled the height will reduced to be visible on the parent.
* In this case the drop down list can be scrolled.
* @param ddlist pointer to a drop down list
* @param auto_size true: enable auto size, false: disable
*/
void lv_ddlist_set_auto_size(lv_obj_t * ddlist, bool auto_size);
/**
* Get the options of a drop down list
* @param ddlist pointer to drop down list object
@@ -96,6 +113,20 @@ void lv_ddlist_set_action(lv_obj_t * ddlist, lv_action_res_t (*cb)(lv_obj_t *, u
*/
const char * lv_ddlist_get_options(lv_obj_t * ddlist);
/**
* Get the selected option
* @param ddlist pointer to drop down list object
* @return id of the selected option (0 ... number of option - 1);
*/
uint16_t lv_ddlist_get_selected(lv_obj_t * ddlist);
/**
* Get the auto size attribute.
* @param ddlist pointer to a drop down list
* @return true: the auto_size is enabled, false: disabled
*/
bool lv_ddlist_get_auto_size(lv_obj_t * ddlist, bool auto_size);
/**
* Return with a pointer to a built-in style and/or copy it to a variable
* @param style a style name from lv_ddlists_builtin_t enum