Unity Editor Extension Foundation, GUI

One 、 Static attribute

1、 Color

Change the background color ：GUI.backgroundColor 

Change content color ： GUI.contentColor

Change content change content and background color ： GUI.color

        // Change the background color 
        GUI.backgroundColor = Color.yellow;
        GUI.Button(new Rect(0, 0, 200, 30), " Change the background color ");
        GUI.backgroundColor = Color.white;
        GUI.Button(new Rect(0, m_interval, 200, 30), " Change the background color ");

        // Change content color 
        GUI.contentColor = Color.yellow;
        GUI.Button(new Rect(0, m_interval * 2, 200, 30), " Change content color ");
        GUI.contentColor = Color.white;
        GUI.Button(new Rect(0, m_interval * 3, 200, 30), " Change content color ");

        // Change the content and background color 
        GUI.color = Color.yellow;
        GUI.Button(new Rect(0, m_interval * 4, 200, 30), " Change the content and background color ");
        GUI.color = Color.white;
        GUI.Button(new Rect(0, m_interval * 5, 200, 30), " Change the content and background color ");

2、 Text input box ：GUI.TextField

GUI.changed： If the value of an input control changes , It will return true.

        stringToEdit = GUI.TextField(new Rect(0, m_interval * 6, 200, 20), stringToEdit, 25);
        if (GUI.changed)
            Debug.Log("GUI.TextField  The content has been modified. ");

3、  GUI The activation state of ：GUI.enabled

GUI.enabled After control GUI The activation state of , Not activated GUI Cannot receive events .

toggleGroup = GUI.Toggle(new Rect(0, m_interval * 7, 200, 20), toggleGroup, "ToggleGroup");
        GUI.enabled = toggleGroup;
        if (GUI.Button(new Rect(0, m_interval * 8, 200, 30), " test toggleGroup The button 1"))
        {
            Debug.Log(" Click. button1");
        }
        if (GUI.Button(new Rect(0, m_interval * 9, 200, 30), " test toggleGroup The button 2"))
        {
            Debug.Log(" Click. button2");
        }

4、GUI.depth 

5、GUI.matrix

6、GUI.skin

Two 、 Static methods

1、GUI.Label

 GUI.Label(new Rect(210, 10, 100, 20), "Hello World!");

2、 GUI.Box

  GUI.Box(new Rect(210, 50, 50, 50), "A BOX");

3、GUI.Button

if (GUI.Button(new Rect(210, 110, 70, 30), "A button"))
            Debug.Log(" Click the button ！");

4、 GUI.BeginGroup

        m_beginGroupRect = new Rect(0, 0, Screen.width / 2, Screen.height / 2);
        //BeginGroup  It can be used to manage UI,UGUI Of Panel, In the group UI Elements are created relative to groups .
        GUI.BeginGroup(m_beginGroupRect);
        GUI.Box(new Rect(m_beginGroupRect), " Adaptive  BeginGroup  test ！");
        GUI.EndGroup();

5、GUI.BeginScrollView

     // Sliding area 
        scrollPosition = GUI.BeginScrollView(new Rect(10, 10, 200, 200), scrollPosition, new Rect(0, 0, 220, 200));
        GUI.Button(new Rect(0, 0, 100, 20), "Top-left");
        GUI.Button(new Rect(120, 0, 100, 20), "Top-right");
        GUI.Button(new Rect(0, 180, 100, 20), "Bottom-left");
        GUI.Button(new Rect(120, 180, 100, 20), "Bottom-right");
        GUI.EndScrollView();

6、 GUI.DrawTexture、GUI.DrawTextureWithTexCoords

        // Draw a picture 
        if (aTexture)
        {
            GUI.DrawTexture(new Rect(10, 110, 110, 110), aTexture, ScaleMode.StretchToFill, true, 10.0F);
            GUI.DrawTextureWithTexCoords(new Rect(10, 240, 110, 110), aTexture, new Rect(10, 240, 110, 110), false);
        }

7、 GUI.SetNextControlName

Set the control name for the next control .

8、 GUI.FocusControl

Set focus by control name , When setting focus, the parameter is the control name , When unfocusing, the parameter is null.（EditorGUILayout.TextField Control if it is focused , After the returned value is modified , It won't refresh right away , You need to unfocuse to see the refreshed value .）

   GUI.SetNextControlName("MyTextField");
        username = GUI.TextField(new Rect(10, 410, 100, 20), username);
        pwd = GUI.TextField(new Rect(10, 440, 100, 20), pwd);
        if (GUI.Button(new Rect(10, 470, 80, 20), " Set focus "))
            GUI.FocusControl("MyTextField");

        if (GUI.Button(new Rect(10, 500, 80, 20), " Unfocus "))
            GUI.FocusControl(null);// Unfocus 

9、GUI.HorizontalSlider、GUI.VerticalSlider、GUI.HorizontalScrollbar、GUI.VerticalScrollbar

        hSliderValue = GUI.HorizontalSlider(new Rect(210, 150, 100, 30), hSliderValue, 0.0F, 10.0F);
        vSliderValue = GUI.VerticalSlider(new Rect(210, 170, 100, 30), vSliderValue, 10.0F, 0.0F);
        hSValue = GUI.HorizontalScrollbar(new Rect(210, 210, 100, 30), hSValue, 1.0F, 0.0F, 10.0F);
        vSValue = GUI.VerticalScrollbar(new Rect(210, 230, 100, 30), vSValue, 1.0F, 10.0F, 0.0F);

10、GUI.GetNameOfFocusedControl

Get the name of the currently focused control , If there is no focus or control name, an empty string is returned .

11、GUI.Window、 GUI.FocusWindow、GUI.DragWindow 

 GUI.BringWindowToBack、GUI.BringWindowToFront

 //GUI.depth、GUI.BringWindowToBack、GUI.BringWindowToFront Can change the level of the window 
    //GUI.BringWindowToBack  GUI.BringWindowToFront
    private Rect windowRect = new Rect(20, 20, 120, 120);
    private Rect windowRect2 = new Rect(80, 20, 120, 120);
    private Rect windowRect3 = new Rect(150, 20, 120, 120);

    // GUI.depth 
    int guiDepth1 = 0;
    int guiDepth2 = 0;

    //
    string m_focusedControlName = "";
    void OnGUI()
    {
        windowRect = GUI.Window(0, windowRect, DoMyWindow1, " The first window ");
        windowRect2 = GUI.Window(1, windowRect2, DoMyWindow2, " The second window ");
        windowRect3 = GUI.Window(2, windowRect3, DoMyWindow3, " Third window ");
    }
    void DoMyWindow1(int windowID)
    {
       // GUI.depth = guiDepth1;
        if (GUI.Button(new Rect(10, 20, 100, 20), "Window1"))
        {
            //GUI.BringWindowToBack(1);// Window id by 1 The window is set to the last 
            //guiDepth1 = 1;
            //guiDepth2 = 0;
            //GUI.BringWindowToFront(1);// Window id by 1 The window is set to the front 
            GUI.FocusWindow(1);  // Focus on id by 1 The window of 
        }
        //DragWindow  Windows that can be dragged 
        GUI.DragWindow(new Rect(0, 0, 10000, 20));
    }
    void DoMyWindow2(int windowID)
    {
        //GUI.depth = guiDepth2;
        if (GUI.Button(new Rect(10, 20, 100, 20), "Window2"))
        {
            //GUI.BringWindowToBack(2);
            //guiDepth1 = 0;
            //guiDepth2 = 1;
            GUI.BringWindowToFront(2);
        }

        GUI.DragWindow(new Rect(0, 0, 10000, 20));
    }
    void DoMyWindow3(int windowID)
    {
       // GUI.depth = guiDepth2;
        if (GUI.Button(new Rect(10, 20, 100, 20), "Window3"))
        {
            //GUI.BringWindowToBack(0);
            //guiDepth1 = 0;
            //guiDepth2 = 1;
            GUI.BringWindowToFront(0);
          
        }
        GUI.DragWindow(new Rect(0, 0, 10000, 20));
    }