From b29773aad834f3a197ae94981d80725b2e92fcc3 Mon Sep 17 00:00:00 2001
From: xianjimli <xianjimli@gmail.com>
Date: Sun, 8 Apr 2018 07:32:48 +0800
Subject: [PATCH] add edit

---
 SConstruct                          |   2 +-
 demos/demo1_app.c                   |   2 +-
 demos/res/raw/theme/theme.xml       |  10 +
 demos/res/src/images/unchecked.data |   2 +-
 demos/res/src/theme/default.data    | 194 +++++++++---------
 demos/res/src/ui/dialog1.data       |   4 +-
 demos/xml/edit.xml                  |   6 +
 lua/demo2.lua                       |   4 +-
 lua/lftk_lua.c                      | 209 +++++++++++++++++++
 src/base/edit.c                     | 303 ++++++++++++++++++++++++++++
 src/base/edit.h                     | 189 +++++++++++++++++
 src/base/enums.c                    |  20 +-
 src/base/enums.h                    |   1 +
 src/base/events.h                   |  40 +++-
 src/base/theme.h                    |   5 +
 src/base/types_def.h                |   1 +
 src/base/value.c                    |  46 ++++-
 src/base/widget.c                   |  42 ++--
 src/base/widget.h                   |  19 +-
 src/base/wstr.c                     |   8 +-
 src/base/wstr.h                     |   1 -
 src/ui_loader/ui_builder_default.c  |  13 +-
 tests/edit_test.cc                  | 110 ++++++++++
 tests/wstr_test.cc                  |   6 +-
 tools/idl_gen/idl.json              | 201 +++++++++++++++++-
 25 files changed, 1298 insertions(+), 140 deletions(-)
 create mode 100644 demos/xml/edit.xml
 create mode 100644 src/base/edit.c
 create mode 100644 src/base/edit.h
 create mode 100644 tests/edit_test.cc

diff --git a/SConstruct b/SConstruct
index f7dce4df4..2f7cbf227 100644
--- a/SConstruct
+++ b/SConstruct
@@ -31,7 +31,7 @@ os.environ['LIB_DIR'] = LIB_DIR;
 os.environ['LFTK_ROOT'] = LFTK_ROOT;
 os.environ['GTEST_ROOT'] = GTEST_ROOT;
 
-CCFLAGS=OS_FLAGS + ' -DLFTK_ROOT=\\\"'+LFTK_ROOT+'\\\" -DWITH_STB_IMAGE -DWITH_STB_FONT'
+CCFLAGS=OS_FLAGS + ' -DLFTK_ROOT=\\\"'+LFTK_ROOT+'\\\" -DWITH_STB_IMAGE -DWITH_STB_FONT -DSDL2'
 DefaultEnvironment(CCFLAGS = CCFLAGS, 
   CPPPATH = [LFTK_ROOT, LFTK_SRC, LFTK_3RD_ROOT, os.path.join(LFTK_3RD_ROOT, 'agg-2.5/include'), LFTK_TOOLS_ROOT] + OS_CPPPATH, 
   LIBS=['lftk', 'agg', 'SDL2'] + OS_LIBS,
diff --git a/demos/demo1_app.c b/demos/demo1_app.c
index bc6528cdd..fba93d39f 100644
--- a/demos/demo1_app.c
+++ b/demos/demo1_app.c
@@ -118,7 +118,7 @@ ret_t application_init() {
 
   progress_bar = progress_bar_create(win, 10, 80, 168, 20);
   widget_set_value(progress_bar, 40);
-  // timer_add(on_timer, progress_bar, 200);
+  timer_add(on_timer, progress_bar, 200);
 
 #ifndef WITH_STM32F103ZE_RAW
   progress_bar_set_show_text(progress_bar, TRUE);
diff --git a/demos/res/raw/theme/theme.xml b/demos/res/raw/theme/theme.xml
index b1552f753..f9137a721 100644
--- a/demos/res/raw/theme/theme.xml
+++ b/demos/res/raw/theme/theme.xml
@@ -31,6 +31,16 @@
   </style>
 </button>
 
+<edit>
+  <style name="default" border-color="#a0a0a0"  text-color="black" text-align-h="left" margin="4">
+    <normal     bg-color="#f0f0f0" />
+    <focused    bg-color="#f0f0f0" border-color="gold"/>
+    <disable    bg-color="gray" text-color="#d0d0d0" />
+    <error      bg-color="#f0f0f0" text-color="red" />
+    <empty      bg-color="#f0f0f0" text-color="#a0a0a0" />
+  </style>
+</edit>
+
 <label>
   <style name="default">
     <normal text-color="black" />
diff --git a/demos/res/src/images/unchecked.data b/demos/res/src/images/unchecked.data
index 4a0898aa3..44fdb16f9 100644
--- a/demos/res/src/images/unchecked.data
+++ b/demos/res/src/images/unchecked.data
@@ -116,4 +116,4 @@ const unsigned char image_unchecked[] = {
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,};/*2344*/
+0xff,0x7f,0x00,0x00,};/*2344*/
diff --git a/demos/res/src/theme/default.data b/demos/res/src/theme/default.data
index bd2721463..a7204f7bd 100644
--- a/demos/res/src/theme/default.data
+++ b/demos/res/src/theme/default.data
@@ -1,108 +1,122 @@
 const unsigned char theme_default[] = {
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 0x5f,0x64,0x72,0x61,0x67,0x5f,0x6f,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x00,
-0x01,0x00,0x00,0x00,0xf0,0xf0,0xf0,0xff,0x09,0x00,0x00,0x00,0xa0,0xa0,0xa0,0xff,0x00,0x00,0x00,0x00,
+0x01,0x00,0x00,0x00,0xf0,0xf0,0xf0,0xff,0x0a,0x00,0x00,0x00,0xa0,0xa0,0xa0,0xff,0x00,0x00,0x00,0x00,
 0x02,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0xf0,0xf0,0xf0,0xff,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0xff,
-0x01,0x00,0x00,0x00,0x0c,0x00,0x00,0x00,0x63,0x68,0x65,0x63,0x6b,0x65,0x64,0x00,0x02,0x00,0x00,0x00,
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 0x01,0x00,0x00,0x00,0xf0,0xf0,0xf0,0xff,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x01,0x00,0x00,0x00,
-0x0c,0x00,0x00,0x00,0x75,0x6e,0x63,0x68,0x65,0x63,0x6b,0x65,0x64,0x00,0x02,0x00,0x00,0x00,0x01,0x00,
-0x00,0x00,0xf0,0xf0,0xf0,0xff,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x01,0x00,0x00,0x00,0x0c,0x00,
+0x0d,0x00,0x00,0x00,0x75,0x6e,0x63,0x68,0x65,0x63,0x6b,0x65,0x64,0x00,0x02,0x00,0x00,0x00,0x01,0x00,
+0x00,0x00,0xf0,0xf0,0xf0,0xff,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x01,0x00,0x00,0x00,0x0d,0x00,
 0x00,0x00,0x75,0x6e,0x6d,0x75,0x74,0x65,0x64,0x00,0x02,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0xf0,0xf0,
-0xf0,0xff,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x01,0x00,0x00,0x00,0x0c,0x00,0x00,0x00,0x6d,0x75,
+0xf0,0xff,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x01,0x00,0x00,0x00,0x0d,0x00,0x00,0x00,0x6d,0x75,
 0x74,0x65,0x64,0x00,0x02,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0xf0,0xf0,0xf0,0xff,0x06,0x00,0x00,0x00,
-0x00,0x00,0x00,0xff,0x01,0x00,0x00,0x00,0x0c,0x00,0x00,0x00,0x72,0x61,0x64,0x69,0x6f,0x5f,0x63,0x68,
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 0x65,0x63,0x6b,0x65,0x64,0x00,0x02,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0xf0,0xf0,0xf0,0xff,0x06,0x00,
-0x00,0x00,0x00,0x00,0x00,0xff,0x01,0x00,0x00,0x00,0x0c,0x00,0x00,0x00,0x72,0x61,0x64,0x69,0x6f,0x5f,
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-0x00,0x00,0x6c,0x65,0x66,0x74,0x5f,0x6f,0x6e,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x0c,0x00,
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 0x00,0x00,0x00,0x6d,0x69,0x64,0x64,0x6c,0x65,0x5f,0x6f,0x6e,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,
-0x00,0x0c,0x00,0x00,0x00,0x6d,0x69,0x64,0x64,0x6c,0x65,0x5f,0x6f,0x66,0x66,0x00,0x00,0x00,0x00,0x00,
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-0x00,0x01,0x00,0x00,0x00,0x0c,0x00,0x00,0x00,0x72,0x69,0x67,0x68,0x74,0x5f,0x6f,0x66,0x66,0x00,0x02,
-0x00,0x00,0x00,0x09,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x01,0x00,0x00,0x00,0xe0,0xe0,0xe0,0xff,0x00,
-0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x0b,0x00,0x00,0x00,0x09,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x0a,
-0x00,0x00,0x00,0x64,0x69,0x61,0x6c,0x6f,0x67,0x5f,0x74,0x69,0x74,0x6c,0x65,0x00,0x0c,0x00,0x00,0x00,
-0x69,0x6e,0x66,0x6f,0x00,0x02,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0xed,0xed,0xed,0xff,0x09,0x00,0x00,
-0x00,0xa9,0xa9,0xa0,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,};/*2133*/
+0x00,0x0d,0x00,0x00,0x00,0x6d,0x69,0x64,0x64,0x6c,0x65,0x5f,0x6f,0x66,0x66,0x00,0x00,0x00,0x00,0x00,
+0x01,0x00,0x00,0x00,0x0d,0x00,0x00,0x00,0x72,0x69,0x67,0x68,0x74,0x5f,0x6f,0x6e,0x00,0x00,0x00,0x00,
+0x00,0x01,0x00,0x00,0x00,0x0d,0x00,0x00,0x00,0x72,0x69,0x67,0x68,0x74,0x5f,0x6f,0x66,0x66,0x00,0x02,
+0x00,0x00,0x00,0x0a,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x01,0x00,0x00,0x00,0xe0,0xe0,0xe0,0xff,0x00,
+0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x0c,0x00,0x00,0x00,0x09,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x0b,
+0x00,0x00,0x00,0x64,0x69,0x61,0x6c,0x6f,0x67,0x5f,0x74,0x69,0x74,0x6c,0x65,0x00,0x0d,0x00,0x00,0x00,
+0x69,0x6e,0x66,0x6f,0x00,0x02,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0xed,0xed,0xed,0xff,0x0a,0x00,0x00,
+0x00,0xa9,0xa9,0xa0,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,};/*2413*/
diff --git a/demos/res/src/ui/dialog1.data b/demos/res/src/ui/dialog1.data
index c5aa1668a..5cfb89fc6 100644
--- a/demos/res/src/ui/dialog1.data
+++ b/demos/res/src/ui/dialog1.data
@@ -11,5 +11,5 @@ const unsigned char ui_dialog1[] = {
 0x74,0x6e,0x00,0x74,0x65,0x78,0x74,0x00,0x59,0x65,0x73,0x00,0x00,0x00,0x01,0x00,0x0a,0x00,0x03,0x03,
 0x01,0x00,0x0a,0x00,0x00,0x00,0x0a,0x00,0x00,0x00,0x28,0x00,0x00,0x00,0x1e,0x00,0x00,0x00,0x6e,0x61,
 0x6d,0x65,0x00,0x63,0x61,0x6e,0x63,0x65,0x6c,0x00,0x73,0x74,0x79,0x6c,0x65,0x00,0x32,0x3a,0x72,0x65,
-0x64,0x5f,0x62,0x74,0x6e,0x00,0x74,0x65,0x78,0x74,0x00,0x4e,0x6f,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,};/*261*/
+0x64,0x5f,0x62,0x74,0x6e,0x00,0x74,0x65,0x78,0x74,0x00,0x4e,0x6f,0x00,0x00,0x00,0x00,0xff,0xff,0xff,
+0xff,};/*261*/
diff --git a/demos/xml/edit.xml b/demos/xml/edit.xml
new file mode 100644
index 000000000..7720a0738
--- /dev/null
+++ b/demos/xml/edit.xml
@@ -0,0 +1,6 @@
+<window name="main" x="0" y="0" w="320" h="480">
+  <edit input_type="float" x="center" y="10" w="80%" h="30" text="" min="0" max="100" tips="0-100 float"/>
+  <edit input_type="int" x="center" y="60" w="80%" h="30" text="-123"/>
+  <edit input_type="text" x="center" y="110" w="80%" h="30" text="abc" tips="name"/>
+  <edit input_type="text" x="center" y="160" w="80%" h="30" text="abc" min="3" max="10"/>
+</window>
diff --git a/lua/demo2.lua b/lua/demo2.lua
index a2f971f84..1abbad63e 100644
--- a/lua/demo2.lua
+++ b/lua/demo2.lua
@@ -6,11 +6,11 @@ function application_init()
   local win = Window.open("window1");
 
   win.inc:on(EventType.CLICK, function(evt) 
-    win.bar1:set_value(win.bar2.value + 10);
+    win.bar2:set_value(win.bar2.value + 10);
   end);
   
   win.dec:on(EventType.CLICK, function(evt) 
-    win.bar1:set_value(win.bar2.value - 10);
+    win.bar2:set_value(win.bar2.value - 10);
   end);
   
   Timer.add(function() 
diff --git a/lua/lftk_lua.c b/lua/lftk_lua.c
index a0cb384ed..ec6c9c66d 100644
--- a/lua/lftk_lua.c
+++ b/lua/lftk_lua.c
@@ -9,6 +9,7 @@
 #include "base/canvas.h"
 #include "base/check_button.h"
 #include "base/dialog.h"
+#include "base/edit.h"
 #include "base/events.h"
 #include "base/group_box.h"
 #include "base/image.h"
@@ -37,6 +38,8 @@ static int wrap_check_button_t_get_prop(lua_State* L);
 static int wrap_check_button_t_set_prop(lua_State* L);
 static int wrap_dialog_t_get_prop(lua_State* L);
 static int wrap_dialog_t_set_prop(lua_State* L);
+static int wrap_edit_t_get_prop(lua_State* L);
+static int wrap_edit_t_set_prop(lua_State* L);
 static int wrap_event_t_get_prop(lua_State* L);
 static int wrap_event_t_set_prop(lua_State* L);
 static int wrap_pointer_event_t_get_prop(lua_State* L);
@@ -366,6 +369,166 @@ static void dialog_t_init(lua_State* L) {
   luaL_openlib(L, "Dialog", static_funcs, 0);
   lua_settop(L, 0);
 }
+static void input_type_t_init(lua_State* L) {
+  lua_newtable(L);
+  lua_setglobal(L, "InputType");
+  lua_getglobal(L, "InputType");
+
+  lua_pushstring(L, "TEXT");
+  lua_pushinteger(L, INPUT_TEXT);
+  lua_settable(L, -3);
+
+  lua_pushstring(L, "INT");
+  lua_pushinteger(L, INPUT_INT);
+  lua_settable(L, -3);
+
+  lua_pushstring(L, "HEX");
+  lua_pushinteger(L, INPUT_HEX);
+  lua_settable(L, -3);
+
+  lua_pushstring(L, "FLOAT");
+  lua_pushinteger(L, INPUT_FLOAT);
+  lua_settable(L, -3);
+
+  lua_pushstring(L, "EMAIL");
+  lua_pushinteger(L, INPUT_EMAIL);
+  lua_settable(L, -3);
+
+  lua_pushstring(L, "PHONE");
+  lua_pushinteger(L, INPUT_PHONE);
+  lua_settable(L, -3);
+}
+
+static int wrap_edit_create(lua_State* L) {
+  widget_t* ret = NULL;
+  widget_t* parent = (widget_t*)lftk_checkudata(L, 1, "widget_t");
+  xy_t x = (xy_t)luaL_checkinteger(L, 2);
+  xy_t y = (xy_t)luaL_checkinteger(L, 3);
+  wh_t w = (wh_t)luaL_checkinteger(L, 4);
+  wh_t h = (wh_t)luaL_checkinteger(L, 5);
+  ret = (widget_t*)edit_create(parent, x, y, w, h);
+
+  return lftk_newuserdata(L, ret, "/edit_t/widget_t", "lftk.edit_t");
+}
+
+static int wrap_edit_set_text_limit(lua_State* L) {
+  ret_t ret = 0;
+  widget_t* widget = (widget_t*)lftk_checkudata(L, 1, "widget_t");
+  uint32_t min = (uint32_t)luaL_checkinteger(L, 2);
+  uint32_t max = (uint32_t)luaL_checkinteger(L, 3);
+  ret = (ret_t)edit_set_text_limit(widget, min, max);
+
+  lua_pushnumber(L, (lua_Number)(ret));
+
+  return 1;
+}
+
+static int wrap_edit_set_int_limit(lua_State* L) {
+  ret_t ret = 0;
+  widget_t* widget = (widget_t*)lftk_checkudata(L, 1, "widget_t");
+  int32_t min = (int32_t)luaL_checkinteger(L, 2);
+  int32_t max = (int32_t)luaL_checkinteger(L, 3);
+  ret = (ret_t)edit_set_int_limit(widget, min, max);
+
+  lua_pushnumber(L, (lua_Number)(ret));
+
+  return 1;
+}
+
+static int wrap_edit_set_float_limit(lua_State* L) {
+  ret_t ret = 0;
+  widget_t* widget = (widget_t*)lftk_checkudata(L, 1, "widget_t");
+  float min = (float)luaL_checknumber(L, 2);
+  float max = (float)luaL_checknumber(L, 3);
+  float step = (float)luaL_checknumber(L, 4);
+  ret = (ret_t)edit_set_float_limit(widget, min, max, step);
+
+  lua_pushnumber(L, (lua_Number)(ret));
+
+  return 1;
+}
+
+static int wrap_edit_set_readonly(lua_State* L) {
+  ret_t ret = 0;
+  widget_t* widget = (widget_t*)lftk_checkudata(L, 1, "widget_t");
+  bool_t readonly = (bool_t)lua_toboolean(L, 2);
+  ret = (ret_t)edit_set_readonly(widget, readonly);
+
+  lua_pushnumber(L, (lua_Number)(ret));
+
+  return 1;
+}
+
+static int wrap_edit_set_input_type(lua_State* L) {
+  ret_t ret = 0;
+  widget_t* widget = (widget_t*)lftk_checkudata(L, 1, "widget_t");
+  input_type_t type = (input_type_t)luaL_checkinteger(L, 2);
+  ret = (ret_t)edit_set_input_type(widget, type);
+
+  lua_pushnumber(L, (lua_Number)(ret));
+
+  return 1;
+}
+
+static int wrap_edit_set_input_tips(lua_State* L) {
+  ret_t ret = 0;
+  widget_t* widget = (widget_t*)lftk_checkudata(L, 1, "widget_t");
+  wchar_t* tips = (wchar_t*)lua_touserdata(L, 2);
+  ret = (ret_t)edit_set_input_tips(widget, tips);
+
+  lua_pushnumber(L, (lua_Number)(ret));
+
+  return 1;
+}
+
+static const struct luaL_Reg edit_t_member_funcs[] = {
+    {"set_text_limit", wrap_edit_set_text_limit},
+    {"set_int_limit", wrap_edit_set_int_limit},
+    {"set_float_limit", wrap_edit_set_float_limit},
+    {"set_readonly", wrap_edit_set_readonly},
+    {"set_input_type", wrap_edit_set_input_type},
+    {"set_input_tips", wrap_edit_set_input_tips},
+    {NULL, NULL}};
+
+static int wrap_edit_t_set_prop(lua_State* L) {
+  edit_t* obj = (edit_t*)lftk_checkudata(L, 1, "edit_t");
+  const char* name = (const char*)luaL_checkstring(L, 2);
+  (void)obj;
+  (void)name;
+  return wrap_widget_t_set_prop(L);
+  printf("%s: not supported %s\n", __func__, name);
+  return 0;
+}
+
+static int wrap_edit_t_get_prop(lua_State* L) {
+  edit_t* obj = (edit_t*)lftk_checkudata(L, 1, "edit_t");
+  const char* name = (const char*)luaL_checkstring(L, 2);
+  const luaL_Reg* ret = find_member(edit_t_member_funcs, name);
+
+  (void)obj;
+  (void)name;
+  if (ret) {
+    lua_pushcfunction(L, ret->func);
+    return 1;
+  } else {
+    return wrap_widget_t_get_prop(L);
+  }
+}
+
+static void edit_t_init(lua_State* L) {
+  static const struct luaL_Reg static_funcs[] = {{"create", wrap_edit_create}, {NULL, NULL}};
+
+  static const struct luaL_Reg index_funcs[] = {
+      {"__index", wrap_edit_t_get_prop}, {"__newindex", wrap_edit_t_set_prop}, {NULL, NULL}};
+
+  luaL_newmetatable(L, "lftk.edit_t");
+  lua_pushstring(L, "__index");
+  lua_pushvalue(L, -2);
+  lua_settable(L, -3);
+  luaL_openlib(L, NULL, index_funcs, 0);
+  luaL_openlib(L, "Edit", static_funcs, 0);
+  lua_settop(L, 0);
+}
 static void event_type_t_init(lua_State* L) {
   lua_newtable(L);
   lua_setglobal(L, "EventType");
@@ -399,6 +562,14 @@ static void event_type_t_init(lua_State* L) {
   lua_pushinteger(L, EVT_CLICK);
   lua_settable(L, -3);
 
+  lua_pushstring(L, "FOCUS");
+  lua_pushinteger(L, EVT_FOCUS);
+  lua_settable(L, -3);
+
+  lua_pushstring(L, "BLUR");
+  lua_pushinteger(L, EVT_BLUR);
+  lua_settable(L, -3);
+
   lua_pushstring(L, "KEY_DOWN");
   lua_pushinteger(L, EVT_KEY_DOWN);
   lua_settable(L, -3);
@@ -526,6 +697,15 @@ static int wrap_pointer_event_t_set_prop(lua_State* L) {
   } else if (strcmp(name, "pressed") == 0) {
     printf("pressed is readonly\n");
     return 0;
+  } else if (strcmp(name, "alt") == 0) {
+    printf("alt is readonly\n");
+    return 0;
+  } else if (strcmp(name, "ctrl") == 0) {
+    printf("ctrl is readonly\n");
+    return 0;
+  } else if (strcmp(name, "shift") == 0) {
+    printf("shift is readonly\n");
+    return 0;
   } else {
     return wrap_event_t_set_prop(L);
   }
@@ -557,6 +737,18 @@ static int wrap_pointer_event_t_get_prop(lua_State* L) {
   } else if (strcmp(name, "pressed") == 0) {
     lua_pushboolean(L, (lua_Integer)(obj->pressed));
 
+    return 1;
+  } else if (strcmp(name, "alt") == 0) {
+    lua_pushboolean(L, (lua_Integer)(obj->alt));
+
+    return 1;
+  } else if (strcmp(name, "ctrl") == 0) {
+    lua_pushboolean(L, (lua_Integer)(obj->ctrl));
+
+    return 1;
+  } else if (strcmp(name, "shift") == 0) {
+    lua_pushboolean(L, (lua_Integer)(obj->shift));
+
     return 1;
   } else {
     return wrap_event_t_get_prop(L);
@@ -605,6 +797,9 @@ static int wrap_key_event_t_set_prop(lua_State* L) {
   } else if (strcmp(name, "shift") == 0) {
     printf("shift is readonly\n");
     return 0;
+  } else if (strcmp(name, "caplock") == 0) {
+    printf("caplock is readonly\n");
+    return 0;
   } else {
     return wrap_event_t_set_prop(L);
   }
@@ -636,6 +831,10 @@ static int wrap_key_event_t_get_prop(lua_State* L) {
   } else if (strcmp(name, "shift") == 0) {
     lua_pushboolean(L, (lua_Integer)(obj->shift));
 
+    return 1;
+  } else if (strcmp(name, "caplock") == 0) {
+    lua_pushboolean(L, (lua_Integer)(obj->caplock));
+
     return 1;
   } else {
     return wrap_event_t_get_prop(L);
@@ -1899,6 +2098,14 @@ static void widget_state_t_init(lua_State* L) {
   lua_pushstring(L, "STATE_UNCHECKED");
   lua_pushinteger(L, WIDGET_STATE_UNCHECKED);
   lua_settable(L, -3);
+
+  lua_pushstring(L, "STATE_EMPTY");
+  lua_pushinteger(L, WIDGET_STATE_EMPTY);
+  lua_settable(L, -3);
+
+  lua_pushstring(L, "STATE_ERROR");
+  lua_pushinteger(L, WIDGET_STATE_ERROR);
+  lua_settable(L, -3);
 }
 
 static void widget_type_t_init(lua_State* L) {
@@ -2518,6 +2725,8 @@ void luaL_openlftk(lua_State* L) {
   canvas_t_init(L);
   check_button_t_init(L);
   dialog_t_init(L);
+  input_type_t_init(L);
+  edit_t_init(L);
   event_type_t_init(L);
   event_t_init(L);
   pointer_event_t_init(L);
diff --git a/src/base/edit.c b/src/base/edit.c
new file mode 100644
index 000000000..4c53daca5
--- /dev/null
+++ b/src/base/edit.c
@@ -0,0 +1,303 @@
+/**
+ * File:   edit.h
+ * Author: Li XianJing <xianjimli@hotmail.com>
+ * Brief:  edit
+ *
+ * Copyright (c) 2018 - 2018  Li XianJing <xianjimli@hotmail.com>
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * License file for more details.
+ *
+ */
+
+/**
+ * History:
+ * ================================================================
+ * 2018-04-05 Li XianJing <xianjimli@hotmail.com> created
+ *
+ */
+
+#include "base/mem.h"
+#include "base/edit.h"
+#include "base/keys.h"
+#include "base/enums.h"
+#include "base/events.h"
+
+static ret_t edit_on_paint_self(widget_t* widget, canvas_t* c) {
+  edit_t* edit = EDIT(widget);
+  wstr_t* str = &(widget->text);
+  if (str->size == 0) {
+    str = &(edit->tips);
+    widget_set_state(widget, WIDGET_STATE_EMPTY);
+  }
+
+  return widget_paint_helper(widget, c, NULL, str);
+}
+
+static ret_t edit_on_key_down(widget_t* widget, key_event_t* e) {
+  uint32_t key = e->key;
+  edit_t* edit = EDIT(widget);
+  widget_state_t state = WIDGET_STATE_FOCUSED;
+  input_type_t input_type = edit->limit.type;
+
+  if (isprint(key)) {
+    switch (input_type) {
+      case INPUT_INT:
+      case INPUT_FLOAT: {
+        if (key >= FKEY_0 && key <= FKEY_9) {
+          wstr_push(&(widget->text), key);
+        } else if (widget->text.size == 0 && (key == '-' || key == '+')) {
+          wstr_push(&(widget->text), key);
+        } else if (input_type == INPUT_FLOAT && key == '.') {
+          if (wcschr(widget->text.str, '.') == NULL) {
+            wstr_push(&(widget->text), key);
+          }
+        }
+
+        break;
+      }
+      default: {
+        if (widget->text.size < edit->limit.t.max) {
+          wstr_push(&(widget->text), key);
+        }
+      }
+    }
+  } else if (key == FKEY_BACKSPACE) {
+    if (widget->text.size > 0) {
+      wstr_pop(&(widget->text));
+    }
+  }
+
+  if (widget->text.size == 0) {
+    state = WIDGET_STATE_EMPTY;
+  } else if (input_type == INPUT_TEXT && edit->limit.t.min > widget->text.size) {
+    state = WIDGET_STATE_ERROR;
+  }
+
+  widget_invalidate(widget, NULL);
+  widget_set_state(widget, state);
+
+  return RET_OK;
+}
+
+static ret_t edit_on_key_up(widget_t* widget, key_event_t* e) { return RET_OK; }
+
+static ret_t edit_on_blur(edit_t* edit) {
+  widget_set_state(WIDGETP(edit), WIDGET_STATE_NORMAL);
+  return RET_OK;
+}
+
+static ret_t edit_on_event(widget_t* widget, event_t* e) {
+  uint16_t type = e->type;
+
+  switch (type) {
+    case EVT_POINTER_DOWN:
+      widget_set_state(widget, WIDGET_STATE_FOCUSED);
+      break;
+    case EVT_KEY_DOWN: {
+      key_event_t* evt = (key_event_t*)e;
+      edit_on_key_down(widget, evt);
+      break;
+    }
+    case EVT_KEY_UP: {
+      key_event_t* evt = (key_event_t*)e;
+      edit_on_key_up(widget, evt);
+      break;
+    }
+    case EVT_BLUR: {
+      edit_on_blur(EDIT(widget));
+      break;
+    }
+    default:
+      break;
+  }
+
+  return RET_OK;
+}
+
+ret_t edit_set_text_limit(widget_t* widget, uint32_t min, uint32_t max) {
+  edit_t* edit = EDIT(widget);
+  return_value_if_fail(widget != NULL, RET_BAD_PARAMS);
+
+  edit->limit.t.min = min;
+  edit->limit.t.max = max;
+  edit->limit.type = INPUT_TEXT;
+
+  return RET_OK;
+}
+
+ret_t edit_set_int_limit(widget_t* widget, int32_t min, int32_t max) {
+  edit_t* edit = EDIT(widget);
+  return_value_if_fail(widget != NULL, RET_BAD_PARAMS);
+
+  edit->limit.i.min = min;
+  edit->limit.i.max = max;
+  edit->limit.type = INPUT_INT;
+
+  return RET_OK;
+}
+
+ret_t edit_set_float_limit(widget_t* widget, float min, float max, float step) {
+  edit_t* edit = EDIT(widget);
+  return_value_if_fail(widget != NULL, RET_BAD_PARAMS);
+
+  edit->limit.f.min = min;
+  edit->limit.f.max = max;
+  edit->limit.f.step = step;
+  edit->limit.type = INPUT_FLOAT;
+
+  return RET_OK;
+}
+
+ret_t edit_set_readonly(widget_t* widget, bool_t readonly) {
+  edit_t* edit = EDIT(widget);
+  return_value_if_fail(widget != NULL, RET_BAD_PARAMS);
+
+  edit->readonly = readonly;
+
+  return RET_OK;
+}
+
+ret_t edit_set_input_type(widget_t* widget, input_type_t type) {
+  edit_t* edit = EDIT(widget);
+  return_value_if_fail(widget != NULL, RET_BAD_PARAMS);
+
+  edit->limit.type = type;
+
+  return RET_OK;
+}
+
+ret_t edit_set_input_tips(widget_t* widget, const wchar_t* tips) {
+  edit_t* edit = EDIT(widget);
+  return_value_if_fail(widget != NULL && tips != NULL, RET_BAD_PARAMS);
+
+  return wstr_set(&(edit->tips), tips);
+}
+
+static ret_t edit_get_prop(widget_t* widget, const char* name, value_t* v) {
+  edit_t* edit = EDIT(widget);
+  return_value_if_fail(widget != NULL && name != NULL && v != NULL, RET_BAD_PARAMS);
+
+  if (strcmp(name, "min") == 0) {
+    if (edit->limit.type == INPUT_INT) {
+      value_set_int(v, edit->limit.i.min);
+    } else if (edit->limit.type == INPUT_TEXT) {
+      value_set_uint32(v, edit->limit.t.min);
+    } else if (edit->limit.type == INPUT_FLOAT) {
+      value_set_float(v, edit->limit.f.min);
+    } else {
+      return RET_NOT_FOUND;
+    }
+    return RET_OK;
+  } else if (strcmp(name, "max") == 0) {
+    if (edit->limit.type == INPUT_INT) {
+      value_set_int(v, edit->limit.i.max);
+    } else if (edit->limit.type == INPUT_TEXT) {
+      value_set_uint32(v, edit->limit.t.max);
+    } else if (edit->limit.type == INPUT_FLOAT) {
+      value_set_float(v, edit->limit.f.max);
+    } else {
+      return RET_NOT_FOUND;
+    }
+    return RET_OK;
+  } else if (strcmp(name, "step") == 0) {
+    if (edit->limit.type == INPUT_FLOAT) {
+      value_set_float(v, edit->limit.f.step);
+      return RET_OK;
+    } else {
+      return RET_NOT_FOUND;
+    }
+  } else if (strcmp(name, "input_type") == 0) {
+    value_set_uint32(v, edit->limit.type);
+    return RET_OK;
+  } else if (strcmp(name, "readonly") == 0) {
+    value_set_bool(v, edit->readonly);
+    return RET_OK;
+  } else if (strcmp(name, "tips") == 0) {
+    value_set_wstr(v, edit->tips.str);
+    return RET_OK;
+  }
+
+  return RET_NOT_FOUND;
+}
+
+static ret_t edit_set_prop(widget_t* widget, const char* name, const value_t* v) {
+  edit_t* edit = EDIT(widget);
+  return_value_if_fail(widget != NULL && name != NULL && v != NULL, RET_BAD_PARAMS);
+
+  if (strcmp(name, "min") == 0) {
+    if (edit->limit.type == INPUT_INT) {
+      edit->limit.i.min = value_int(v);
+    } else if (edit->limit.type == INPUT_TEXT) {
+      edit->limit.t.min = value_uint32(v);
+    } else if (edit->limit.type == INPUT_FLOAT) {
+      edit->limit.f.min = value_float(v);
+    } else {
+      return RET_NOT_FOUND;
+    }
+    return RET_OK;
+  } else if (strcmp(name, "max") == 0) {
+    if (edit->limit.type == INPUT_INT) {
+      edit->limit.i.max = value_int(v);
+    } else if (edit->limit.type == INPUT_TEXT) {
+      edit->limit.t.max = value_uint32(v);
+    } else if (edit->limit.type == INPUT_FLOAT) {
+      edit->limit.f.max = value_float(v);
+    } else {
+      return RET_NOT_FOUND;
+    }
+    return RET_OK;
+  } else if (strcmp(name, "step") == 0) {
+    if (edit->limit.type == INPUT_FLOAT) {
+      edit->limit.f.step = value_float(v);
+      return RET_OK;
+    } else {
+      return RET_NOT_FOUND;
+    }
+  } else if (strcmp(name, "input_type") == 0) {
+    if (v->type == VALUE_TYPE_STRING) {
+      const key_type_value_t* kv = input_type_find(value_str(v));
+      if (kv != NULL) {
+        edit->limit.type = kv->value;
+      }
+    } else {
+      edit->limit.type = value_int(v);
+    }
+    return RET_OK;
+  } else if (strcmp(name, "readonly") == 0) {
+    edit->readonly = value_bool(v);
+    return RET_OK;
+  } else if (strcmp(name, "tips") == 0) {
+    if (v->type == VALUE_TYPE_STRING) {
+      wstr_set_utf8(&(edit->tips), value_str(v));
+      return RET_OK;
+    } else if (v->type == VALUE_TYPE_WSTRING) {
+      wstr_set(&(edit->tips), value_wstr(v));
+      return RET_OK;
+    }
+    return RET_BAD_PARAMS;
+  }
+
+  return RET_NOT_FOUND;
+}
+
+static const widget_vtable_t s_edit_vtable = {.on_paint_self = edit_on_paint_self,
+                                              .set_prop = edit_set_prop,
+                                              .get_prop = edit_get_prop,
+                                              .on_event = edit_on_event};
+
+widget_t* edit_create(widget_t* parent, xy_t x, xy_t y, wh_t w, wh_t h) {
+  widget_t* widget = NULL;
+  edit_t* edit = MEM_ZALLOC(edit_t);
+  return_value_if_fail(edit != NULL, NULL);
+
+  widget = WIDGETP(edit);
+  widget_init(widget, parent, WIDGET_EDIT);
+  widget_move_resize(widget, x, y, w, h);
+  widget->vt = &s_edit_vtable;
+  edit_set_text_limit(widget, 0, 1204);
+
+  return widget;
+}
diff --git a/src/base/edit.h b/src/base/edit.h
new file mode 100644
index 000000000..2103c88ef
--- /dev/null
+++ b/src/base/edit.h
@@ -0,0 +1,189 @@
+/**
+ * File:   edit.h
+ * Author: Li XianJing <xianjimli@hotmail.com>
+ * Brief:  edit
+ *
+ * Copyright (c) 2018 - 2018  Li XianJing <xianjimli@hotmail.com>
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * License file for more details.
+ *
+ */
+
+/**
+ * History:
+ * ================================================================
+ * 2018-02-06 Li XianJing <xianjimli@hotmail.com> created
+ *
+ */
+
+#ifndef LFTK_EDIT_H
+#define LFTK_EDIT_H
+
+#include "base/widget.h"
+
+BEGIN_C_DECLS
+
+/**
+ * @enum input_type_t
+ * @scriptable
+ * @prefix INPUT_
+ * 输入类型常量定义。
+ */
+typedef enum _input_type_t {
+  /**
+   * @const INPUT_TEXT
+   * 文本。
+   */
+  INPUT_TEXT = 0,
+  /**
+   * @const INPUT_INT
+   * 整数。
+   */
+  INPUT_INT,
+  /**
+   * @const INPUT_HEX
+   * 16进制整数。
+   */
+  INPUT_HEX,
+  /**
+   * @const INPUT_FLOAT
+   * 浮点数。
+   */
+  INPUT_FLOAT,
+  /**
+   * @const INPUT_EMAIL
+   * 邮件地址。
+   */
+  INPUT_EMAIL,
+  /**
+   * @const INPUT_PHONE
+   * 电话号码。
+   */
+  INPUT_PHONE
+} input_type_t;
+
+typedef struct _input_limit_t {
+  input_type_t type;
+  union {
+    struct {
+      uint32_t min;
+      uint32_t max;
+    } t;
+    struct {
+      uint32_t min;
+      uint32_t max;
+    } i;
+    struct {
+      float min;
+      float max;
+      float step;
+    } f;
+  };
+} input_limit_t;
+
+/**
+ * @class edit_t
+ * @parent widget_t
+ * @scriptable
+ * 文本控件。
+ */
+typedef struct _edit_t {
+  widget_t widget;
+  uint16_t visible_end;
+  uint16_t visible_start;
+  uint16_t selected_start;
+  uint16_t selected_end;
+  point_t caret;
+  bool_t caret_visible;
+  bool_t readonly;
+
+  wstr_t tips;
+  input_limit_t limit;
+} edit_t;
+
+/**
+ * @method edit_create
+ * @constructor
+ * 创建edit对象
+ * @param {widget_t*} parent 父控件
+ * @param {xy_t} x x坐标
+ * @param {xy_t} y y坐标
+ * @param {wh_t} w 宽度
+ * @param {wh_t} h 高度
+ *
+ * @return {widget_t*} 对象。
+ */
+widget_t* edit_create(widget_t* parent, xy_t x, xy_t y, wh_t w, wh_t h);
+
+/**
+ * @method edit_set_text_limit
+ * 设置为文本输入及其长度限制，不允许输入超过max个字符，少于min个字符时进入error状态。
+ * @param {widget_t*} widget widget对象。
+ * @param {uint32_t} min 最小长度。
+ * @param {uint32_t} max 最大长度。
+ *
+ * @return {ret_t} 返回RET_OK表示成功，否则表示失败。
+ */
+ret_t edit_set_text_limit(widget_t* widget, uint32_t min, uint32_t max);
+
+/**
+ * @method edit_set_int_limit
+ * 设置为整数输入及取值范围。
+ * @param {widget_t*} widget widget对象。
+ * @param {int32_t} min 最小值。
+ * @param {int32_t} max 最大值。
+ *
+ * @return {ret_t} 返回RET_OK表示成功，否则表示失败。
+ */
+ret_t edit_set_int_limit(widget_t* widget, int32_t min, int32_t max);
+
+/**
+ * @method edit_set_float_limit
+ * 设置为浮点数输入及取值范围。
+ * @param {widget_t*} widget widget对象。
+ * @param {float} min 最小值。
+ * @param {float} max 最大值。
+ * @param {float} step 步长。
+ *
+ * @return {ret_t} 返回RET_OK表示成功，否则表示失败。
+ */
+ret_t edit_set_float_limit(widget_t* widget, float min, float max, float step);
+
+/**
+ * @method edit_set_readonly
+ * 设置编辑器是否为只读。
+ * @param {widget_t*} widget widget对象。
+ * @param {bool_t} readonly 只读。
+ *
+ * @return {ret_t} 返回RET_OK表示成功，否则表示失败。
+ */
+ret_t edit_set_readonly(widget_t* widget, bool_t readonly);
+
+/**
+ * @method edit_set_input_type
+ * 设置编辑器的输入类型。
+ * @param {widget_t*} widget widget对象。
+ * @param {input_type_t} type 输入类型。
+ *
+ * @return {ret_t} 返回RET_OK表示成功，否则表示失败。
+ */
+ret_t edit_set_input_type(widget_t* widget, input_type_t type);
+
+/**
+ * @method edit_set_input_tips
+ * 设置编辑器的输入提示。
+ * @param {widget_t*} widget widget对象。
+ * @param {wchar_t*} tips 输入提示。
+ *
+ * @return {ret_t} 返回RET_OK表示成功，否则表示失败。
+ */
+ret_t edit_set_input_tips(widget_t* widget, const wchar_t* tips);
+
+#define EDIT(widget) ((edit_t*)(widget))
+
+END_C_DECLS
+
+#endif /*LFTK_EDIT_H*/
diff --git a/src/base/enums.c b/src/base/enums.c
index fe98519bb..1a9e932a6 100644
--- a/src/base/enums.c
+++ b/src/base/enums.c
@@ -19,6 +19,7 @@
  *
  */
 
+#include "base/edit.h"
 #include "base/enums.h"
 #include "base/widget.h"
 #include "base/resource_manager.h"
@@ -51,6 +52,7 @@ static const key_type_value_t style_id_name_value[] = {
     {"bg-color", TYPE_COLOR, STYLE_ID_BG_COLOR},
     {"fg-color", TYPE_COLOR, STYLE_ID_FG_COLOR},
     {"text-color", TYPE_COLOR, STYLE_ID_TEXT_COLOR},
+    {"tips-text-color", TYPE_COLOR, STYLE_ID_TIPS_TEXT_COLOR},
     {"border-color", TYPE_COLOR, STYLE_ID_BORDER_COLOR},
     {"font-name", TYPE_STRING, STYLE_ID_FONT_NAME},
     {"font-size", TYPE_INT, STYLE_ID_FONT_SIZE},
@@ -65,14 +67,20 @@ static const key_type_value_t style_id_name_value[] = {
     {"margin", TYPE_INT, STYLE_ID_MARGIN}};
 
 static const key_type_value_t widget_state_name_value[] = {
-    {"normal", 0, WIDGET_STATE_NORMAL},      {"over", 0, WIDGET_STATE_OVER},
-    {"pressed", 0, WIDGET_STATE_PRESSED},    {"disable", 0, WIDGET_STATE_DISABLE},
-    {"focused", 0, WIDGET_STATE_FOCUSED},    {"checked", 0, WIDGET_STATE_CHECKED},
-    {"unchecked", 0, WIDGET_STATE_UNCHECKED}};
+    {"normal", 0, WIDGET_STATE_NORMAL},       {"over", 0, WIDGET_STATE_OVER},
+    {"pressed", 0, WIDGET_STATE_PRESSED},     {"disable", 0, WIDGET_STATE_DISABLE},
+    {"focused", 0, WIDGET_STATE_FOCUSED},     {"checked", 0, WIDGET_STATE_CHECKED},
+    {"unchecked", 0, WIDGET_STATE_UNCHECKED}, {"error", 0, WIDGET_STATE_ERROR},
+    {"empty", 0, WIDGET_STATE_EMPTY}};
 
 static const key_type_value_t align_v_name_value[] = {
     {"top", 0, ALIGN_V_TOP}, {"middle", 0, ALIGN_V_MIDDLE}, {"bottom", 0, ALIGN_V_BOTTOM}};
 
+static const key_type_value_t input_type_name_value[] = {
+    {"int", 0, INPUT_INT},     {"float", 0, INPUT_FLOAT}, {"text", 0, INPUT_TEXT},
+    {"email", 0, INPUT_EMAIL}, {"phone", 0, INPUT_PHONE},
+};
+
 static const key_type_value_t align_h_name_value[] = {
     {"left", 0, ALIGN_H_LEFT}, {"center", 0, ALIGN_H_CENTER}, {"right", 0, ALIGN_H_RIGHT}};
 
@@ -170,3 +178,7 @@ const key_type_value_t* image_draw_type_find_by_value(uint32_t value) {
   return find_item_by_value(image_draw_type_name_value, ARRAY_SIZE(image_draw_type_name_value),
                             value);
 }
+
+const key_type_value_t* input_type_find(const char* name) {
+  return find_item(input_type_name_value, ARRAY_SIZE(input_type_name_value), name);
+}
diff --git a/src/base/enums.h b/src/base/enums.h
index fcf76fb19..b7faddd91 100644
--- a/src/base/enums.h
+++ b/src/base/enums.h
@@ -40,6 +40,7 @@ const key_type_value_t* widget_type_find_by_value(uint32_t value);
 const key_type_value_t* style_id_find(const char* name);
 const key_type_value_t* style_id_find_by_value(uint32_t value);
 
+const key_type_value_t* input_type_find(const char* name);
 const key_type_value_t* widget_state_find(const char* name);
 const key_type_value_t* align_v_type_find(const char* name);
 const key_type_value_t* align_h_type_find(const char* name);
diff --git a/src/base/events.h b/src/base/events.h
index 5782da38d..d7d163a4a 100644
--- a/src/base/events.h
+++ b/src/base/events.h
@@ -69,6 +69,16 @@ typedef enum _event_type_t {
    * 点击事件名。
    */
   EVT_CLICK,
+  /**
+   * @const EVT_FOCUS
+   * 得到焦点事件名。
+   */
+  EVT_FOCUS,
+  /**
+   * @const EVT_BLUR
+   * 失去焦点事件名。
+   */
+  EVT_BLUR,
   /**
    * @const EVT_KEY_DOWN
    * 键按下事件名。
@@ -185,6 +195,25 @@ typedef struct _pointer_event_t {
    * 指针是否按下。
    */
   uint8_t pressed : 1;
+
+  /**
+   * @property {bool_t} alt
+   * @readonly
+   * alt键是否按下。
+   */
+  uint8_t alt : 1;
+  /**
+   * @property {bool_t} ctrl
+   * @readonly
+   * ctrl键是否按下。
+   */
+  uint8_t ctrl : 1;
+  /**
+   * @property {bool_t} shift
+   * @readonly
+   * shift键是否按下。
+   */
+  uint8_t shift : 1;
 } pointer_event_t;
 
 /**
@@ -207,11 +236,12 @@ pointer_event_t* pointer_event_cast(event_t* event);
 typedef struct _key_event_t {
   event_t e;
   /**
-   * @property {uint8_t} key
+   * @property {uint32_t} key
    * @readonly
    * 键值。
    */
-  uint8_t key;
+  uint32_t key;
+
   /**
    * @property {bool_t} alt
    * @readonly
@@ -230,6 +260,12 @@ typedef struct _key_event_t {
    * shift键是否按下。
    */
   uint8_t shift : 1;
+  /**
+   * @property {bool_t} caplock
+   * @readonly
+   * caplock键是否按下。
+   */
+  uint8_t caplock : 1;
 } key_event_t;
 
 /**
diff --git a/src/base/theme.h b/src/base/theme.h
index f63299b1a..ae08a6248 100644
--- a/src/base/theme.h
+++ b/src/base/theme.h
@@ -88,6 +88,11 @@ typedef enum _style_id_t {
    * 文本颜色。
    */
   STYLE_ID_TEXT_COLOR,
+  /**
+   * @const STYLE_ID_TIPS_TEXT_COLOR
+   * 提示文本颜色。
+   */
+  STYLE_ID_TIPS_TEXT_COLOR,
   /**
    * @const STYLE_ID_TEXT_ALIGN_H
    * 文本水平对齐的方式。
diff --git a/src/base/types_def.h b/src/base/types_def.h
index a39be0959..3b34a42e4 100644
--- a/src/base/types_def.h
+++ b/src/base/types_def.h
@@ -22,6 +22,7 @@
 #ifndef TYPES_DEF_H
 #define TYPES_DEF_H
 
+#include <ctype.h>
 #include <wchar.h>
 #include <assert.h>
 #include <stdint.h>
diff --git a/src/base/value.c b/src/base/value.c
index fa10b4ead..d40c3fd09 100644
--- a/src/base/value.c
+++ b/src/base/value.c
@@ -147,7 +147,7 @@ value_t* value_set_int32(value_t* v, int32_t value) {
 }
 
 int32_t value_int32(const value_t* v) {
-  return_value_if_fail(v->type == VALUE_TYPE_INT32, 0);
+  return_value_if_fail(v->type == VALUE_TYPE_INT32, value_int(v));
 
   return v->value.i32;
 }
@@ -161,7 +161,7 @@ value_t* value_set_uint32(value_t* v, uint32_t value) {
 }
 
 uint32_t value_uint32(const value_t* v) {
-  return_value_if_fail(v->type == VALUE_TYPE_UINT32, 0);
+  return_value_if_fail(v->type == VALUE_TYPE_UINT32, value_int(v));
 
   return v->value.u32;
 }
@@ -221,9 +221,47 @@ value_t* value_set_float(value_t* v, float value) {
 }
 
 float value_float(const value_t* v) {
-  return_value_if_fail(v->type == VALUE_TYPE_FLOAT, 0.0);
+  return_value_if_fail(v->type != VALUE_TYPE_INVALID, 0);
 
-  return v->value.f32;
+  switch (v->type) {
+    case VALUE_TYPE_INT8: {
+      return (float)v->value.i8;
+    }
+    case VALUE_TYPE_UINT8: {
+      return (float)v->value.u8;
+    }
+    case VALUE_TYPE_INT16: {
+      return (float)v->value.i16;
+    }
+    case VALUE_TYPE_UINT16: {
+      return (float)v->value.u16;
+    }
+    case VALUE_TYPE_INT32: {
+      return (float)v->value.i32;
+    }
+    case VALUE_TYPE_UINT32: {
+      return (float)v->value.u32;
+    }
+    case VALUE_TYPE_INT64: {
+      return (float)v->value.i64;
+    }
+    case VALUE_TYPE_UINT64: {
+      return (float)v->value.u64;
+    }
+    case VALUE_TYPE_FLOAT: {
+      return (float)v->value.f32;
+    }
+    case VALUE_TYPE_DOUBLE: {
+      return (float)v->value.f64;
+    }
+    case VALUE_TYPE_STRING: {
+      return ftk_atof(v->value.str);
+    }
+    default:
+      break;
+  }
+
+  return 0;
 }
 
 value_t* value_set_double(value_t* v, double value) {
diff --git a/src/base/widget.c b/src/base/widget.c
index 3bee4d78e..c06f0625b 100644
--- a/src/base/widget.c
+++ b/src/base/widget.c
@@ -83,9 +83,10 @@ ret_t widget_use_style(widget_t* widget, const char* value) {
 }
 
 ret_t widget_set_text(widget_t* widget, const wchar_t* text) {
-  return_value_if_fail(widget != NULL && text != NULL, RET_BAD_PARAMS);
+  value_t v;
+  return_value_if_fail(widget != NULL, RET_BAD_PARAMS);
 
-  return wstr_set(&(widget->text), text);
+  return widget_set_prop(widget, "text", value_set_wstr(&v, text));
 }
 
 uint32_t widget_get_value(widget_t* widget) {
@@ -96,9 +97,10 @@ uint32_t widget_get_value(widget_t* widget) {
 }
 
 const wchar_t* widget_get_text(widget_t* widget) {
-  return_value_if_fail(widget != NULL, NULL);
+  value_t v;
+  return_value_if_fail(widget != NULL, 0);
 
-  return widget->text.str;
+  return widget_get_prop(widget, "text", &v) == RET_OK ? value_wstr(&v) : 0;
 }
 
 ret_t widget_set_name(widget_t* widget, const char* name) {
@@ -178,6 +180,10 @@ ret_t widget_remove_child(widget_t* widget, widget_t* child) {
     widget->target = NULL;
   }
 
+  if (widget->key_target == child) {
+    widget->key_target = NULL;
+  }
+
   return array_remove(widget->children, NULL, child) ? RET_OK : RET_NOT_FOUND;
 }
 
@@ -501,11 +507,6 @@ ret_t widget_set_prop(widget_t* widget, const char* name, const value_t* v) {
     if (str != NULL) {
       strncpy(widget->name, str, NAME_LEN);
     }
-  } else if (strcmp(name, "text") == 0) {
-    const wchar_t* text = value_wstr(v);
-    if (text != NULL) {
-      widget_set_text(widget, text);
-    }
   } else {
     if (widget->vt->set_prop) {
       ret = widget->vt->set_prop(widget, name, v);
@@ -516,6 +517,8 @@ ret_t widget_set_prop(widget_t* widget, const char* name, const value_t* v) {
 
   if (ret != RET_NOT_FOUND) {
     widget_dispatch(widget, &e);
+  } else if (strcmp(name, "text") == 0) {
+    ret = wstr_from_value(&(widget->text), v);
   }
 
   return ret;
@@ -562,11 +565,11 @@ ret_t widget_get_prop(widget_t* widget, const char* name, value_t* v) {
     value_set_bool(v, widget->enable);
   } else if (strcmp(name, "name") == 0) {
     value_set_str(v, widget->name);
-  } else if (strcmp(name, "text") == 0) {
-    value_set_wstr(v, widget->text.str);
   } else {
     if (widget->vt->get_prop) {
       ret = widget->vt->get_prop(widget, name, v);
+    } else if (strcmp(name, "text") == 0) {
+      value_set_wstr(v, widget->text.str);
     } else {
       ret = RET_NOT_FOUND;
     }
@@ -616,8 +619,8 @@ ret_t widget_on_keydown(widget_t* widget, key_event_t* e) {
   widget_dispatch(widget, (event_t*)e);
   if (widget->vt->on_keydown) {
     ret = widget->vt->on_keydown(widget, e);
-  } else if (widget->target != NULL) {
-    widget_on_keydown(widget->target, e);
+  } else if (widget->key_target != NULL) {
+    widget_on_keydown(widget->key_target, e);
   }
 
   return ret;
@@ -631,8 +634,8 @@ ret_t widget_on_keyup(widget_t* widget, key_event_t* e) {
   widget_dispatch(widget, (event_t*)e);
   if (widget->vt->on_keyup) {
     ret = widget->vt->on_keyup(widget, e);
-  } else if (widget->target != NULL) {
-    widget_on_keyup(widget->target, e);
+  } else if (widget->key_target != NULL) {
+    widget_on_keyup(widget->key_target, e);
   }
 
   return ret;
@@ -666,7 +669,16 @@ ret_t widget_on_pointer_down(widget_t* widget, pointer_event_t* e) {
 
   target = widget_find_target(widget, e->x, e->y);
   if (target != NULL && target->enable) {
+    event_t focus = {EVT_FOCUS, target};
+
+    if (widget->key_target) {
+      event_t blur = {EVT_BLUR, widget->key_target};
+      widget_dispatch(widget->key_target, &blur);
+    }
+
     widget->target = target;
+    widget->key_target = target;
+    widget_dispatch(widget->key_target, &focus);
   }
 
   if (widget->target != NULL) {
diff --git a/src/base/widget.h b/src/base/widget.h
index a2709e088..417a8a294 100644
--- a/src/base/widget.h
+++ b/src/base/widget.h
@@ -79,7 +79,17 @@ typedef enum _widget_state_t {
    * @const WIDGET_STATE_UNCHECKED
    * 没勾选状态。
    */
-  WIDGET_STATE_UNCHECKED
+  WIDGET_STATE_UNCHECKED,
+  /**
+   * @const WIDGET_STATE_EMPTY
+   * 编辑器无内容状态。
+   */
+  WIDGET_STATE_EMPTY,
+  /**
+   * @const WIDGET_STATE_ERROR
+   * 输入错误状态。
+   */
+  WIDGET_STATE_ERROR
 } widget_state_t;
 
 /**
@@ -337,6 +347,13 @@ struct _widget_t {
    * 接收事件的子控件。
    */
   widget_t* target;
+  /**
+   * @property {widget_t*} key_target
+   * @readonly
+   * @scriptable no
+   * 接收按键事件的子控件。
+   */
+  widget_t* key_target;
   /**
    * @property {array_t*} children
    * @readonly
diff --git a/src/base/wstr.c b/src/base/wstr.c
index 49dbc6edb..69eaee694 100644
--- a/src/base/wstr.c
+++ b/src/base/wstr.c
@@ -66,7 +66,7 @@ ret_t wstr_set_utf8(wstr_t* str, const char* text) {
   return_value_if_fail(str != NULL && text != NULL, RET_BAD_PARAMS);
   return_value_if_fail(wstr_extend(str, strlen(text) + 1) == RET_OK, RET_OOM);
 
-  utf8_to_utf16(text, str->str, str->capacity-1);
+  utf8_to_utf16(text, str->str, str->capacity - 1);
   str->size = wcslen(str->str);
 
   return RET_OK;
@@ -155,11 +155,11 @@ ret_t wstr_from_float(wstr_t* str, float v) {
 ret_t wstr_from_value(wstr_t* str, value_t* v) {
   return_value_if_fail(str != NULL && v != NULL, RET_BAD_PARAMS);
 
-  if(v->type == VALUE_TYPE_STRING) {
+  if (v->type == VALUE_TYPE_STRING) {
     return wstr_set_utf8(str, value_str(v));
-  } else if(v->type == VALUE_TYPE_WSTRING) {
+  } else if (v->type == VALUE_TYPE_WSTRING) {
     return wstr_set(str, value_wstr(v));
-  } else if(v->type == VALUE_TYPE_FLOAT) {
+  } else if (v->type == VALUE_TYPE_FLOAT) {
     return wstr_from_float(str, value_float(v));
   } else {
     return wstr_from_int(str, value_int(v));
diff --git a/src/base/wstr.h b/src/base/wstr.h
index 5cb1b2279..c1d52f402 100644
--- a/src/base/wstr.h
+++ b/src/base/wstr.h
@@ -19,7 +19,6 @@
  *
  */
 
-
 #ifndef WSTR_H
 #define WSTR_H
 
diff --git a/src/ui_loader/ui_builder_default.c b/src/ui_loader/ui_builder_default.c
index a183ae289..4197d2a91 100644
--- a/src/ui_loader/ui_builder_default.c
+++ b/src/ui_loader/ui_builder_default.c
@@ -29,6 +29,7 @@
 #include "base/button.h"
 #include "base/dialog.h"
 #include "base/slider.h"
+#include "base/edit.h"
 #include "base/group_box.h"
 #include "base/check_button.h"
 #include "base/progress_bar.h"
@@ -77,6 +78,9 @@ static ret_t ui_builder_default_on_widget_start(ui_builder_t* b, const widget_de
     case WIDGET_LABEL:
       widget = label_create(parent, x, y, w, h);
       break;
+    case WIDGET_EDIT:
+      widget = edit_create(parent, x, y, w, h);
+      break;
     case WIDGET_PROGRESS_BAR:
       widget = progress_bar_create(parent, x, y, w, h);
       break;
@@ -118,14 +122,7 @@ static ret_t ui_builder_default_on_widget_start(ui_builder_t* b, const widget_de
 static ret_t ui_builder_default_on_widget_prop(ui_builder_t* b, const char* name,
                                                const char* value) {
   value_t v;
-  if (strcmp(name, "text") == 0) {
-    wchar_t str[128];
-    uint32_t len = strlen(value);
-    return_value_if_fail(len < ARRAY_SIZE(str), RET_BAD_PARAMS);
-
-    value_set_wstr(&v, utf8_to_utf16(value, str, ARRAY_SIZE(str)));
-    widget_set_prop(b->widget, name, &v);
-  } else if (strcmp(name, "align_v") == 0) {
+  if (strcmp(name, "align_v") == 0) {
     const key_type_value_t* item = align_v_type_find(value);
     if (item != NULL) {
       value_set_int(&v, item->value);
diff --git a/tests/edit_test.cc b/tests/edit_test.cc
new file mode 100644
index 000000000..569ee6ab8
--- /dev/null
+++ b/tests/edit_test.cc
@@ -0,0 +1,110 @@
+#include "base/edit.h"
+#include "base/canvas.h"
+#include "base/widget.h"
+#include "font_dummy.h"
+#include "lcd_log.h"
+#include "gtest/gtest.h"
+#include <stdlib.h>
+
+TEST(Edit, int) {
+  value_t v1;
+  value_t v2;
+  widget_t* b = edit_create(NULL, 10, 20, 30, 40);
+
+  ASSERT_EQ(edit_set_int_limit(b, 0, 100), RET_OK);
+  ASSERT_EQ(widget_get_prop(b, "min", &v2), RET_OK);
+  ASSERT_EQ(0, value_int(&v2));
+
+  ASSERT_EQ(widget_get_prop(b, "input_type", &v2), RET_OK);
+  ASSERT_EQ(INPUT_INT, value_int(&v2));
+
+  ASSERT_EQ(widget_get_prop(b, "max", &v2), RET_OK);
+  ASSERT_EQ(100, value_int(&v2));
+
+  value_set_int(&v1, 10);
+  ASSERT_EQ(widget_set_prop(b, "min", &v1), RET_OK);
+  ASSERT_EQ(widget_get_prop(b, "min", &v2), RET_OK);
+  ASSERT_EQ(value_int(&v1), value_int(&v2));
+
+  value_set_int(&v1, 100);
+  ASSERT_EQ(widget_set_prop(b, "max", &v1), RET_OK);
+  ASSERT_EQ(widget_get_prop(b, "max", &v2), RET_OK);
+  ASSERT_EQ(value_int(&v1), value_int(&v2));
+
+  widget_destroy(b);
+}
+
+TEST(Edit, text) {
+  value_t v1;
+  value_t v2;
+  widget_t* b = edit_create(NULL, 10, 20, 30, 40);
+
+  ASSERT_EQ(edit_set_text_limit(b, 0, 100), RET_OK);
+  ASSERT_EQ(widget_get_prop(b, "min", &v2), RET_OK);
+  ASSERT_EQ(0, value_int(&v2));
+
+  ASSERT_EQ(widget_get_prop(b, "input_type", &v2), RET_OK);
+  ASSERT_EQ(INPUT_TEXT, value_int(&v2));
+
+  ASSERT_EQ(widget_get_prop(b, "max", &v2), RET_OK);
+  ASSERT_EQ(100, value_int(&v2));
+
+  value_set_int(&v1, 10);
+  ASSERT_EQ(widget_set_prop(b, "min", &v1), RET_OK);
+  ASSERT_EQ(widget_get_prop(b, "min", &v2), RET_OK);
+  ASSERT_EQ(value_int(&v1), value_int(&v2));
+
+  value_set_int(&v1, 100);
+  ASSERT_EQ(widget_set_prop(b, "max", &v1), RET_OK);
+  ASSERT_EQ(widget_get_prop(b, "max", &v2), RET_OK);
+  ASSERT_EQ(value_int(&v1), value_int(&v2));
+
+  widget_destroy(b);
+}
+
+TEST(Edit, float) {
+  value_t v1;
+  value_t v2;
+  widget_t* b = edit_create(NULL, 10, 20, 30, 40);
+
+  ASSERT_EQ(edit_set_float_limit(b, 0, 100, 0.1), RET_OK);
+  ASSERT_EQ(widget_get_prop(b, "min", &v2), RET_OK);
+  ASSERT_EQ(0, value_float(&v2));
+
+  ASSERT_EQ(widget_get_prop(b, "input_type", &v2), RET_OK);
+  ASSERT_EQ(INPUT_FLOAT, value_int(&v2));
+
+  ASSERT_EQ(widget_get_prop(b, "max", &v2), RET_OK);
+  ASSERT_EQ(100, value_float(&v2));
+
+  ASSERT_EQ(widget_get_prop(b, "step", &v2), RET_OK);
+  ASSERT_EQ(0.1 - value_float(&v2) < 0.001, true);
+
+  value_set_int(&v1, 10);
+  ASSERT_EQ(widget_set_prop(b, "min", &v1), RET_OK);
+  ASSERT_EQ(widget_get_prop(b, "min", &v2), RET_OK);
+  ASSERT_EQ(value_float(&v1), value_float(&v2));
+
+  value_set_int(&v1, 100);
+  ASSERT_EQ(widget_set_prop(b, "max", &v1), RET_OK);
+  ASSERT_EQ(widget_get_prop(b, "max", &v2), RET_OK);
+  ASSERT_EQ(value_float(&v1), value_float(&v2));
+
+  widget_destroy(b);
+}
+
+TEST(Edit, basic) {
+  value_t v1;
+  value_t v2;
+  widget_t* b = edit_create(NULL, 10, 20, 30, 40);
+
+  ASSERT_EQ(edit_set_readonly(b, TRUE), RET_OK);
+  ASSERT_EQ(EDIT(b)->readonly, TRUE);
+
+  value_set_bool(&v1, FALSE);
+  ASSERT_EQ(widget_set_prop(b, "readonly", &v1), RET_OK);
+  ASSERT_EQ(widget_get_prop(b, "readonly", &v2), RET_OK);
+  ASSERT_EQ(value_bool(&v1), value_bool(&v2));
+
+  widget_destroy(b);
+}
diff --git a/tests/wstr_test.cc b/tests/wstr_test.cc
index de379b5cf..b944fcc39 100644
--- a/tests/wstr_test.cc
+++ b/tests/wstr_test.cc
@@ -159,16 +159,16 @@ TEST(WStr, value) {
   ASSERT_EQ(wstr_from_value(&str, &v1), RET_OK);
   ASSERT_EQ(wstr_to_int(&str, &vi), RET_OK);
   ASSERT_EQ(value_int(&v1), vi);
-  
+
   value_set_float(&v1, 1234);
   ASSERT_EQ(wstr_from_value(&str, &v1), RET_OK);
   ASSERT_EQ(wstr_to_float(&str, &vf), RET_OK);
   ASSERT_EQ(value_float(&v1), vf);
-  
+
   value_set_str(&v1, "a12345");
   ASSERT_EQ(wstr_from_value(&str, &v1), RET_OK);
   ASSERT_EQ(wcscmp(str.str, L"a12345"), 0);
-  
+
   value_set_wstr(&v1, L"b12345");
   ASSERT_EQ(wstr_from_value(&str, &v1), RET_OK);
   ASSERT_EQ(wcscmp(str.str, L"b12345"), 0);
diff --git a/tools/idl_gen/idl.json b/tools/idl_gen/idl.json
index 1ca752bc3..6dc74f66a 100644
--- a/tools/idl_gen/idl.json
+++ b/tools/idl_gen/idl.json
@@ -392,6 +392,170 @@
   "properties": [],
   "header": "base/dialog.h"
  },
+ {
+  "type": "enum",
+  "header": "base/edit.h",
+  "name": "input_type_t",
+  "prefix": "INPUT_",
+  "scriptable": true,
+  "consts": [
+   {
+    "name": "INPUT_TEXT"
+   },
+   {
+    "name": "INPUT_INT"
+   },
+   {
+    "name": "INPUT_HEX"
+   },
+   {
+    "name": "INPUT_FLOAT"
+   },
+   {
+    "name": "INPUT_EMAIL"
+   },
+   {
+    "name": "INPUT_PHONE"
+   }
+  ]
+ },
+ {
+  "type": "class",
+  "name": "edit_t",
+  "parent": "widget_t",
+  "scriptable": true,
+  "methods": [
+   {
+    "params": [
+     {
+      "type": "widget_t*",
+      "name": "parent"
+     },
+     {
+      "type": "xy_t",
+      "name": "x"
+     },
+     {
+      "type": "xy_t",
+      "name": "y"
+     },
+     {
+      "type": "wh_t",
+      "name": "w"
+     },
+     {
+      "type": "wh_t",
+      "name": "h"
+     }
+    ],
+    "name": "edit_create",
+    "isConstructor": true,
+    "return": "widget_t*"
+   },
+   {
+    "params": [
+     {
+      "type": "widget_t*",
+      "name": "widget"
+     },
+     {
+      "type": "uint32_t",
+      "name": "min"
+     },
+     {
+      "type": "uint32_t",
+      "name": "max"
+     }
+    ],
+    "name": "edit_set_text_limit",
+    "return": "ret_t"
+   },
+   {
+    "params": [
+     {
+      "type": "widget_t*",
+      "name": "widget"
+     },
+     {
+      "type": "int32_t",
+      "name": "min"
+     },
+     {
+      "type": "int32_t",
+      "name": "max"
+     }
+    ],
+    "name": "edit_set_int_limit",
+    "return": "ret_t"
+   },
+   {
+    "params": [
+     {
+      "type": "widget_t*",
+      "name": "widget"
+     },
+     {
+      "type": "float",
+      "name": "min"
+     },
+     {
+      "type": "float",
+      "name": "max"
+     },
+     {
+      "type": "float",
+      "name": "step"
+     }
+    ],
+    "name": "edit_set_float_limit",
+    "return": "ret_t"
+   },
+   {
+    "params": [
+     {
+      "type": "widget_t*",
+      "name": "widget"
+     },
+     {
+      "type": "bool_t",
+      "name": "readonly"
+     }
+    ],
+    "name": "edit_set_readonly",
+    "return": "ret_t"
+   },
+   {
+    "params": [
+     {
+      "type": "widget_t*",
+      "name": "widget"
+     },
+     {
+      "type": "input_type_t",
+      "name": "type"
+     }
+    ],
+    "name": "edit_set_input_type",
+    "return": "ret_t"
+   },
+   {
+    "params": [
+     {
+      "type": "widget_t*",
+      "name": "widget"
+     },
+     {
+      "type": "wchar_t*",
+      "name": "tips"
+     }
+    ],
+    "name": "edit_set_input_tips",
+    "return": "ret_t"
+   }
+  ],
+  "properties": [],
+  "header": "base/edit.h"
+ },
  {
   "type": "enum",
   "header": "base/events.h",
@@ -420,6 +584,12 @@
    {
     "name": "EVT_CLICK"
    },
+   {
+    "name": "EVT_FOCUS"
+   },
+   {
+    "name": "EVT_BLUR"
+   },
    {
     "name": "EVT_KEY_DOWN"
    },
@@ -510,6 +680,21 @@
     "type": "bool_t",
     "name": "pressed",
     "readonly": true
+   },
+   {
+    "type": "bool_t",
+    "name": "alt",
+    "readonly": true
+   },
+   {
+    "type": "bool_t",
+    "name": "ctrl",
+    "readonly": true
+   },
+   {
+    "type": "bool_t",
+    "name": "shift",
+    "readonly": true
    }
   ],
   "header": "base/events.h"
@@ -534,7 +719,7 @@
   ],
   "properties": [
    {
-    "type": "uint8_t",
+    "type": "uint32_t",
     "name": "key",
     "readonly": true
    },
@@ -552,6 +737,11 @@
     "type": "bool_t",
     "name": "shift",
     "readonly": true
+   },
+   {
+    "type": "bool_t",
+    "name": "caplock",
+    "readonly": true
    }
   ],
   "header": "base/events.h"
@@ -1134,6 +1324,9 @@
    {
     "name": "STYLE_ID_TEXT_COLOR"
    },
+   {
+    "name": "STYLE_ID_TIPS_TEXT_COLOR"
+   },
    {
     "name": "STYLE_ID_TEXT_ALIGN_H"
    },
@@ -1764,6 +1957,12 @@
    },
    {
     "name": "WIDGET_STATE_UNCHECKED"
+   },
+   {
+    "name": "WIDGET_STATE_EMPTY"
+   },
+   {
+    "name": "WIDGET_STATE_ERROR"
    }
   ]
  },