feat(xml): add lv_switch

examples/others/xml/view.xml

@@ -1,25 +1,6 @@
 <component>
-	<consts>
-		<color name="light_blue" value="0xbbbbff"/>
-		<color name="dark_blue" value="0x000080"/>
-	</consts>
+	<view extends="lv_obj">
+        <lv_switch/>
 
-	<styles>
-		<style name="btn_style" bg_color="#dark_blue" bg_opa="150"/>
-		<style name="btn_pr_style" bg_opa="255"/>
-	</styles>
-
-	<view extends="lv_obj" name="main" width="280" height="content" style_bg_color="#light_blue">
-		<lv_label text-translated="tiger"/>
-		<my_card title="Card 1" name="card1"
-				 y="30"
-				 btn_rel_style="btn_style"
-				 btn_pr_style="btn_pr_style"/>
-
-		<my_card y="125"
-				 bg_color="0xffaaaa"
-				 action="Apply"
-				 btn_rel_style="btn_style"
-				 btn_pr_style="btn_pr_style"/>
 	</view>
 </component>

src/others/xml/lv_xml.c

@@ -37,6 +37,7 @@
 #include "parsers/lv_xml_textarea_parser.h"
 #include "parsers/lv_xml_keyboard_parser.h"
 #include "parsers/lv_xml_arc_parser.h"
+#include "parsers/lv_xml_switch_parser.h"
 #include "parsers/lv_xml_checkbox_parser.h"
 #include "parsers/lv_xml_canvas_parser.h"
 #include "parsers/lv_xml_calendar_parser.h"
@@ -113,6 +114,7 @@ void lv_xml_init(void)
     lv_xml_widget_register("lv_textarea", lv_xml_textarea_create, lv_xml_textarea_apply);
     lv_xml_widget_register("lv_keyboard", lv_xml_keyboard_create, lv_xml_keyboard_apply);
     lv_xml_widget_register("lv_arc", lv_xml_arc_create, lv_xml_arc_apply);
+    lv_xml_widget_register("lv_switch", lv_xml_switch_create, lv_xml_switch_apply);
     lv_xml_widget_register("lv_checkbox", lv_xml_checkbox_create, lv_xml_checkbox_apply);
     lv_xml_widget_register("lv_canvas", lv_xml_canvas_create, lv_xml_canvas_apply);
     lv_xml_widget_register("lv_calendar", lv_xml_calendar_create, lv_xml_calendar_apply);

src/others/xml/parsers/lv_xml_switch_parser.c

@@ -0,0 +1,76 @@
+/**
+ * @file lv_xml_switch_parser.c
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lv_xml_switch_parser.h"
+#if LV_USE_XML
+
+#include "../../../lvgl.h"
+#include "../../../lvgl_private.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+static lv_switch_orientation_t orientation_text_to_enum_value(const char * txt);
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+void * lv_xml_switch_create(lv_xml_parser_state_t * state, const char ** attrs)
+{
+    LV_UNUSED(attrs);
+
+    void * item = lv_switch_create(lv_xml_state_get_parent(state));
+    return item;
+}
+
+void lv_xml_switch_apply(lv_xml_parser_state_t * state, const char ** attrs)
+{
+    void * item = lv_xml_state_get_item(state);
+    lv_xml_obj_apply(state, attrs); /*Apply the common properties, e.g. width, height, styles flags etc*/
+
+    for(int i = 0; attrs[i]; i += 2) {
+        const char * name = attrs[i];
+        const char * value = attrs[i + 1];
+
+        if(lv_streq("orientation", name)) lv_switch_set_orientation(item, orientation_text_to_enum_value(value));
+    }
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+static lv_switch_orientation_t orientation_text_to_enum_value(const char * txt)
+{
+    if(lv_streq("auto", txt)) return LV_SWITCH_ORIENTATION_AUTO;
+    if(lv_streq("horizontal", txt)) return LV_SWITCH_ORIENTATION_HORIZONTAL;
+    if(lv_streq("vertical", txt)) return LV_SWITCH_ORIENTATION_VERTICAL;
+
+    LV_LOG_WARN("%s is an unknown value for switch's orientation", txt);
+
+    return 0; /*Return 0 in lack of a better option. */
+}
+
+#endif /* LV_USE_XML */

src/others/xml/parsers/lv_xml_switch_parser.h

@@ -0,0 +1,40 @@
+/**
+ * @file lv_xml_switch_parser.h
+ *
+ */
+
+#ifndef LV_XML_SWITCH_PARSER_H
+#define LV_XML_SWITCH_PARSER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "../lv_xml.h"
+#if LV_USE_XML
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+void * lv_xml_switch_create(lv_xml_parser_state_t * state, const char ** attrs);
+void lv_xml_switch_apply(lv_xml_parser_state_t * state, const char ** attrs);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#endif /* LV_USE_XML */
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*LV_XML_SWITCH_PARSER_H*/

tests/src/test_cases/xml/test_xml_switch.c

@@ -0,0 +1,40 @@
+#if LV_BUILD_TEST
+#include "../lvgl.h"
+
+#include "unity/unity.h"
+
+void setUp(void)
+{
+    /* Function run before every test */
+}
+
+void tearDown(void)
+{
+    /* Function run after every test */
+    lv_obj_clean(lv_screen_active());
+}
+
+
+void test_xml_switch_widget(void)
+{
+    lv_obj_t * scr = lv_screen_active();
+
+    lv_obj_set_flex_flow(scr, LV_FLEX_FLOW_COLUMN);
+    lv_obj_set_flex_align(scr, LV_FLEX_ALIGN_SPACE_EVENLY, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
+
+    lv_xml_create(scr, "lv_switch", NULL);
+
+    const char * attrs_1[] = {
+        "width", "100",
+        "height", "40",
+        "checked", "true",
+        NULL, NULL,
+    };
+
+    lv_xml_create(scr, "lv_switch", attrs_1);
+
+
+    TEST_ASSERT_EQUAL_SCREENSHOT("xml/lv_switch.png");
+}
+
+#endif

xmls/lv_bar.xml

@@ -11,7 +11,7 @@ Example
 			<enum name="range" help="range"/>
 		</enumdef>
 
-		<enumdef name="bar_orientation" help="">
+		<enumdef name="lv_bar_orientation" help="">
 			<enum name="auto" help=""/>
 			<enum name="horizontal" help=""/>
 			<enum name="vertical" help=""/>

xmls/lv_switch.xml

@@ -0,0 +1,16 @@
+<!--
+Example
+<lv_switch width="100" height="40"/>
+-->
+
+<widget>
+    <api>
+        <enumdef name="lv_switch_orientation" help="">
+            <enum name="auto" help=""/>
+            <enum name="horizontal" help=""/>
+            <enum name="vertical" help=""/>
+        </enumdef>
+
+        <prop name="orientation" type="enum:lv_switch_orientation"/>
+    </api>
+</widget>