LVGL 库提交

2026-08-30 08:57:07 +08:00
parent 26c9098630
commit e2f199c6bf
1056 changed files with 556743 additions and 45 deletions
@@ -0,0 +1,141 @@
+/**
+ * @file lv_list.c
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "../../core/lv_obj_class_private.h"
+#include "lv_list.h"
+#include "../../layouts/flex/lv_flex.h"
+#include "../../display/lv_display.h"
+#include "../label/lv_label.h"
+#include "../image/lv_image.h"
+#include "../button/lv_button.h"
+
+#if LV_USE_LIST
+
+/*********************
+ *      DEFINES
+ *********************/
+#define MY_CLASS        (&lv_list_class)
+#define MY_CLASS_BUTTON (&lv_list_button_class)
+#define MY_CLASS_TEXT   (&lv_list_text_class)
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+const lv_obj_class_t lv_list_class = {
+    .base_class = &lv_obj_class,
+    .width_def = (LV_DPI_DEF * 3) / 2,
+    .height_def = LV_DPI_DEF * 2,
+    .name = "lv_list",
+};
+
+const lv_obj_class_t lv_list_button_class = {
+    .base_class = &lv_button_class,
+    .width_def = LV_PCT(100),
+    .height_def = LV_SIZE_CONTENT,
+    .name = "lv_list_button",
+};
+
+const lv_obj_class_t lv_list_text_class = {
+    .base_class = &lv_label_class,
+    .width_def = LV_PCT(100),
+    .height_def = LV_SIZE_CONTENT,
+    .name = "lv_list_text",
+};
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+lv_obj_t * lv_list_create(lv_obj_t * parent)
+{
+    LV_LOG_INFO("begin");
+    lv_obj_t * obj = lv_obj_class_create_obj(MY_CLASS, parent);
+    lv_obj_class_init_obj(obj);
+    lv_obj_set_flex_flow(obj, LV_FLEX_FLOW_COLUMN);
+    return obj;
+}
+
+lv_obj_t * lv_list_add_text(lv_obj_t * list, const char * txt)
+{
+    LV_LOG_INFO("begin");
+
+    lv_obj_t * obj = lv_obj_class_create_obj(MY_CLASS_TEXT, list);
+    lv_obj_class_init_obj(obj);
+    lv_label_set_text(obj, txt);
+    return obj;
+}
+
+lv_obj_t * lv_list_add_button(lv_obj_t * list, const void * icon, const char * txt)
+{
+    LV_LOG_INFO("begin");
+    lv_obj_t * obj = lv_obj_class_create_obj(MY_CLASS_BUTTON, list);
+    lv_obj_class_init_obj(obj);
+    lv_obj_set_flex_flow(obj, LV_FLEX_FLOW_ROW);
+
+#if LV_USE_IMAGE == 1
+    if(icon) {
+        lv_obj_t * img = lv_image_create(obj);
+        lv_image_set_src(img, icon);
+    }
+#endif
+
+    if(txt) {
+        lv_obj_t * label = lv_label_create(obj);
+        lv_label_set_text(label, txt);
+        lv_label_set_long_mode(label, LV_LABEL_LONG_MODE_SCROLL_CIRCULAR);
+        lv_obj_set_flex_grow(label, 1);
+    }
+
+    return obj;
+}
+
+const char * lv_list_get_button_text(lv_obj_t * list, lv_obj_t * btn)
+{
+    LV_UNUSED(list);
+    uint32_t i;
+    for(i = 0; i < lv_obj_get_child_count(btn); i++) {
+        lv_obj_t * child = lv_obj_get_child(btn, i);
+        if(lv_obj_check_type(child, &lv_label_class)) {
+            return lv_label_get_text(child);
+        }
+
+    }
+
+    return "";
+}
+
+void lv_list_set_button_text(lv_obj_t * list, lv_obj_t * btn, const char * txt)
+{
+    LV_UNUSED(list);
+    uint32_t i;
+    for(i = 0; i < lv_obj_get_child_count(btn); i++) {
+        lv_obj_t * child = lv_obj_get_child(btn, i);
+        if(lv_obj_check_type(child, &lv_label_class)) {
+            lv_label_set_text(child, txt);
+            return;
+        }
+    }
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+#endif /*LV_USE_LIST*/
@@ -0,0 +1,89 @@
+/**
+ * @file lv_list.h
+ *
+ */
+
+#ifndef LV_LIST_H
+#define LV_LIST_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "../../core/lv_obj.h"
+
+#if LV_USE_LIST
+
+#if LV_USE_FLEX == 0
+#error "lv_list: lv_flex is required. Enable it in lv_conf.h (LV_USE_FLEX 1)"
+#endif
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+LV_ATTRIBUTE_EXTERN_DATA extern const lv_obj_class_t lv_list_class;
+LV_ATTRIBUTE_EXTERN_DATA extern const lv_obj_class_t lv_list_text_class;
+LV_ATTRIBUTE_EXTERN_DATA extern const lv_obj_class_t lv_list_button_class;
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+/**
+ * Create a list object
+ * @param parent    pointer to an object, it will be the parent of the new list
+ * @return          pointer to the created list
+ */
+lv_obj_t * lv_list_create(lv_obj_t * parent);
+
+/**
+ * Add text to a list
+ * @param list      pointer to a list, it will be the parent of the new label
+ * @param txt       text of the new label
+ * @return          pointer to the created label
+ */
+lv_obj_t * lv_list_add_text(lv_obj_t * list, const char * txt);
+
+/**
+ * Add button to a list
+ * @param list      pointer to a list, it will be the parent of the new button
+ * @param icon      icon for the button, when NULL it will have no icon
+ * @param txt       text of the new button, when NULL no text will be added
+ * @return          pointer to the created button
+ */
+lv_obj_t * lv_list_add_button(lv_obj_t * list, const void * icon, const char * txt);
+
+/**
+ * Get text of a given list button
+ * @param list      pointer to a list
+ * @param btn       pointer to the button
+ * @return          text of btn, if btn doesn't have text "" will be returned
+ */
+const char * lv_list_get_button_text(lv_obj_t * list, lv_obj_t * btn);
+
+/**
+ * Set text of a given list button
+ * @param list      pointer to a list
+ * @param btn       pointer to the button
+ * @param txt       pointer to the text
+ */
+void lv_list_set_button_text(lv_obj_t * list, lv_obj_t * btn, const char * txt);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#endif /*LV_USE_LIST*/
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*LV_LIST_H*/