lv_group: add lv_group.c,h

2017-07-19 15:19:10 +02:00
parent 4fd0dfc7c4
commit ab21e705d5
5 changed files with 181 additions and 12 deletions
--- a/lv_obj/lv_group.c
+++ b/lv_obj/lv_group.c
@@ -0,0 +1,105 @@
+/**
+ * @file lv_group.c
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include <stddef.h>
+#include "lv_group.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+static void style_activate_def(lv_style_t * style);
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+lv_group_t * lv_group_create(void)
+{
+    lv_group_t * group = dm_alloc(sizeof(lv_group_t));
+    ll_init(&group->obj_ll, sizeof(lv_obj_t *));
+
+    group->style_activate = style_activate_def;
+    group->actve_obj = NULL;
+
+    return group;
+}
+
+void lv_group_add(lv_group_t * group, lv_obj_t * obj)
+{
+    obj->group_p = group;
+    lv_obj_t ** next = ll_ins_tail(&group->obj_ll);
+    *next = obj;
+}
+
+void lv_group_activate_obj(lv_group_t * group, lv_obj_t * obj)
+{
+
+}
+
+void lv_group_set_style_cb(lv_group_t * group, void (*style_cb)(lv_style_t * style))
+{
+    group->style_activate = style_cb;
+}
+
+void lv_group_activate_next(lv_group_t * group)
+{
+    if(group->actve_obj != NULL) lv_obj_inv(*group->actve_obj);
+
+    lv_obj_t ** obj_next;
+    if(group->actve_obj == NULL) obj_next = ll_get_head(&group->obj_ll);
+    else obj_next = ll_get_next(&group->obj_ll, group->actve_obj);
+
+    if(obj_next == NULL) obj_next = ll_get_head(&group->obj_ll);
+    group->actve_obj = obj_next;
+
+    if(group->actve_obj != NULL) lv_obj_inv(*group->actve_obj);
+}
+
+void lv_group_activate_prev(lv_group_t * group)
+{
+    if(group->actve_obj != NULL) lv_obj_inv(*group->actve_obj);
+
+    lv_obj_t ** obj_next;
+    if(group->actve_obj == NULL) obj_next = ll_get_tail(&group->obj_ll);
+    else obj_next = ll_get_prev(&group->obj_ll, group->actve_obj);
+
+    if(obj_next == NULL) obj_next = ll_get_tail(&group->obj_ll);
+    group->actve_obj = obj_next;
+
+    if(group->actve_obj != NULL) lv_obj_inv(*group->actve_obj);
+
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+static void style_activate_def(lv_style_t * style)
+{
+    style->bcolor = COLOR_ORANGE;
+    style->bopa = OPA_COVER;
+    style->bwidth = style->bwidth * 2;
+    style->mcolor = color_mix(style->mcolor, COLOR_ORANGE, OPA_80);
+    style->gcolor = color_mix(style->gcolor, COLOR_ORANGE, OPA_80);
+}