Diff: lv_helloworld/lv_helloworld.cpp

Revision:

0:72b043376ade

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lv_helloworld/lv_helloworld.cpp	Tue Sep 08 13:35:16 2020 +0800
@@ -0,0 +1,59 @@
+
+#include "mbed.h" // needed for anything mbed
+// #include "lvgl_stm32f7.h" // needed for lv_coord_t
+#include "lvgl.h"
+
+static lv_obj_t * tv;
+static lv_obj_t * t1;
+
+static void controls_create(lv_obj_t * parent);
+
+void lv_demo_widgets(void)
+{
+    tv = lv_tabview_create(lv_scr_act(), NULL);
+    t1 = lv_tabview_add_tab(tv, "Hello World");
+    controls_create(t1);
+
+}
+#define OPTLIGHT "Light"
+#define OPTDARK "Dark"
+static void mbox_handler(lv_obj_t * obj, lv_event_t event)
+{
+#if LV_USE_THEME_MATERIAL
+    if(event == LV_EVENT_VALUE_CHANGED) {
+        uint32_t flag ;
+        const char *btn_text = lv_msgbox_get_active_btn_text(obj);
+        if( 0 == strcmp(btn_text, OPTLIGHT) )
+            flag = LV_THEME_MATERIAL_FLAG_LIGHT;
+        if( 0 == strcmp(btn_text, OPTDARK) )
+            flag = LV_THEME_MATERIAL_FLAG_DARK;
+        if(LV_THEME_DEFAULT_INIT != lv_theme_material_init)
+            return;
+        LV_THEME_DEFAULT_INIT(lv_theme_get_color_primary(), lv_theme_get_color_secondary(),
+            flag,
+            lv_theme_get_font_small(), lv_theme_get_font_normal(), lv_theme_get_font_subtitle(), lv_theme_get_font_title());
+        lv_msgbox_start_auto_close(obj, 10);
+    }
+#endif
+}
+static void controls_create(lv_obj_t * parent)
+{
+    lv_page_set_scrl_layout(parent, LV_LAYOUT_PRETTY_TOP);
+    static const char * btns[] = {OPTLIGHT, OPTDARK, ""};
+
+    lv_obj_t * mbox = lv_msgbox_create(lv_scr_act(), NULL);
+    lv_msgbox_set_text(mbox, "How are you today?");
+    lv_msgbox_add_btns(mbox, btns);
+    lv_obj_t * btnm = lv_msgbox_get_btnmatrix(mbox);
+    lv_btnmatrix_set_btn_ctrl(btnm, 1, LV_BTNMATRIX_CTRL_CHECK_STATE);
+    lv_obj_set_event_cb(mbox, mbox_handler);
+}
+
+
+/*
+    lv_helloworld()     Example minimal LV GUI
+ */
+void lv_helloworld(void)
+{
+    lv_demo_widgets();
+}
\ No newline at end of file