+misc

2 files changed, 15 insertions, 11 deletions

diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/CanvasUpdateRegistry.cs b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/CanvasUpdateRegistry.cs
index 200b4e5..6690060 100644
--- a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/CanvasUpdateRegistry.cs
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/CanvasUpdateRegistry.cs
@@ -185,7 +185,7 @@ namespace UnityEngine.UI
 
             // 到了这里布局和网格、材质都设置完毕，后面canvas会渲染
 
-            // profiler不用管
+            // profiler
             UISystemProfilerApi.EndSample(UISystemProfilerApi.SampleType.Layout);
         }
 
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/UIControls/InputField.cs b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/UIControls/InputField.cs
index ef6afa4..ed39020 100644
--- a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/UIControls/InputField.cs
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/UIControls/InputField.cs
@@ -563,6 +563,7 @@ namespace UnityEngine.UI
             if (m_CachedInputRenderer != null)
                 m_CachedInputRenderer.SetMaterial(m_TextComponent.GetModifiedMaterial(Graphic.defaultGraphicMaterial), Texture2D.whiteTexture);
 
+            //c 向Text组件注册事件监听，主要当Graphic进行顶点与材质的重建标记时会执行相应的监听事件
             if (m_TextComponent != null)
             {
                 m_TextComponent.RegisterDirtyVerticesCallback(MarkGeometryAsDirty);
@@ -787,10 +788,11 @@ namespace UnityEngine.UI
                 return;
             }
 
+            //获取输入信息
             string val = m_Keyboard.text;
-
             if (m_Text != val)
             {
+                //只读情况则无法改变输入内容
                 if (m_ReadOnly)
                 {
                     m_Keyboard.text = m_Text;
@@ -805,12 +807,12 @@ namespace UnityEngine.UI
 
                         if (c == '\r' || (int)c == 3)
                             c = '\n';
-
+                        //验证输入内容
                         if (onValidateInput != null)
                             c = onValidateInput(m_Text, m_Text.Length, c);
                         else if (characterValidation != CharacterValidation.None)
-                            c = Validate(m_Text, m_Text.Length, c);
-
+                            c = Validate(m_Text, m_Text.Length, c);

+                        //限制行时当存在换行情况则停止更新

                         if (lineType == LineType.MultiLineSubmit && c == '\n')
                         {
                             m_Keyboard.text = m_Text;
@@ -821,8 +823,8 @@ namespace UnityEngine.UI
 
                         if (c != 0)
                             m_Text += c;
-                    }
-
+                    }

+                    //字数限制的情况进行切割

                     if (characterLimit > 0 && m_Text.Length > characterLimit)
                         m_Text = m_Text.Substring(0, characterLimit);
 
@@ -839,16 +841,16 @@ namespace UnityEngine.UI
                     // and update label will take the old value from keyboard if we don't change it here
                     if (m_Text != val)
                         m_Keyboard.text = m_Text;
-
+                    //执行事件并更新文本显示
                     SendOnValueChangedAndUpdateLabel();
                 }
             }
             else if (m_Keyboard.canGetSelection)
             {
                 UpdateCaretFromKeyboard();
-            }
-
-
+            }

+

+            //当键盘输入完毕时，执行Deselect,会关闭键盘并执行编辑完成的事件

             if (m_Keyboard.done)
             {
                 if (m_Keyboard.wasCanceled)
@@ -1629,6 +1631,7 @@ namespace UnityEngine.UI
             Insert(input);
         }
 
+        // 更新显示（不涉及值），比如输入类型为密码类型时，显示为*
         /// <summary>
         /// Update the visual text Text.
         /// </summary>
@@ -2219,6 +2222,7 @@ namespace UnityEngine.UI
             {
                 if (m_Keyboard != null && !m_Keyboard.active)
                 {
+                    //激活键盘接口,并将当前输入框设置进键盘接口中
                     m_Keyboard.active = true;
                     m_Keyboard.text = m_Text;
                 }