| static public FindCameraForLayer ( int layer ) : UICamera, | ||
| layer | int | |
| return | UICamera, | |
public virtual void Show()
{
if (enabled && NGUITools.GetActive(gameObject) && mChild == null && atlas != null && isValid && items.Count > 0)
{
mLabelList.Clear();
StopCoroutine("CloseIfUnselected");
// Ensure the popup's source has the selection
UICamera.selectedObject = (UICamera.hoveredObject ?? gameObject);
mSelection = UICamera.selectedObject;
source = UICamera.selectedObject;
if (source == null)
{
Debug.LogError("Popup list needs a source object...");
return;
}
mOpenFrame = Time.frameCount;
// Automatically locate the panel responsible for this object
if (mPanel == null)
{
mPanel = UIPanel.Find(transform);
if (mPanel == null)
{
return;
}
}
// Calculate the dimensions of the object triggering the popup list so we can position it below it
Vector3 min;
Vector3 max;
// Create the root object for the list
mChild = new GameObject("Drop-down List");
mChild.layer = gameObject.layer;
if (separatePanel)
{
if (GetComponent <Collider>() != null)
{
Rigidbody rb = mChild.AddComponent <Rigidbody>();
rb.isKinematic = true;
}
else if (GetComponent <Collider2D>() != null)
{
Rigidbody2D rb = mChild.AddComponent <Rigidbody2D>();
rb.isKinematic = true;
}
mChild.AddComponent <UIPanel>().depth = 1000000;
}
current = this;
Transform t = mChild.transform;
t.parent = mPanel.cachedTransform;
Vector3 pos;
// Manually triggered popup list on some other game object
if (openOn == OpenOn.Manual && mSelection != gameObject)
{
pos = UICamera.lastEventPosition;
min = mPanel.cachedTransform.InverseTransformPoint(mPanel.anchorCamera.ScreenToWorldPoint(pos));
max = min;
t.localPosition = min;
pos = t.position;
}
else
{
Bounds bounds = NGUIMath.CalculateRelativeWidgetBounds(mPanel.cachedTransform, transform, false, false);
min = bounds.min;
max = bounds.max;
t.localPosition = min;
pos = t.position;
}
StartCoroutine("CloseIfUnselected");
t.localRotation = Quaternion.identity;
t.localScale = Vector3.one;
// Add a sprite for the background
mBackground = NGUITools.AddSprite(mChild, atlas, backgroundSprite, separatePanel ? 0 : NGUITools.CalculateNextDepth(mPanel.gameObject));
mBackground.pivot = UIWidget.Pivot.TopLeft;
mBackground.color = backgroundColor;
// We need to know the size of the background sprite for padding purposes
Vector4 bgPadding = mBackground.border;
mBgBorder = bgPadding.y;
mBackground.cachedTransform.localPosition = new Vector3(0f, bgPadding.y, 0f);
// Add a sprite used for the selection
mHighlight = NGUITools.AddSprite(mChild, atlas, highlightSprite, mBackground.depth + 1);
mHighlight.pivot = UIWidget.Pivot.TopLeft;
mHighlight.color = highlightColor;
UISpriteData hlsp = mHighlight.GetAtlasSprite();
if (hlsp == null)
{
return;
}
float hlspHeight = hlsp.borderTop;
float fontHeight = activeFontSize;
float dynScale = activeFontScale;
float labelHeight = fontHeight * dynScale;
float x = 0f, y = -padding.y;
List <UILabel> labels = new List <UILabel>();
// Clear the selection if it's no longer present
if (!items.Contains(mSelectedItem))
{
mSelectedItem = null;
}
// Run through all items and create labels for each one
for (int i = 0, imax = items.Count; i < imax; ++i)
{
string s = items[i];
UILabel lbl = NGUITools.AddWidget <UILabel>(mChild, mBackground.depth + 2);
lbl.name = i.ToString();
lbl.pivot = UIWidget.Pivot.TopLeft;
lbl.bitmapFont = bitmapFont;
lbl.trueTypeFont = trueTypeFont;
lbl.fontSize = fontSize;
lbl.fontStyle = fontStyle;
lbl.text = isLocalized ? Localization.Get(s) : s;
lbl.color = textColor;
lbl.cachedTransform.localPosition = new Vector3(bgPadding.x + padding.x - lbl.pivotOffset.x, y, -1f);
lbl.overflowMethod = UILabel.Overflow.ResizeFreely;
lbl.alignment = alignment;
labels.Add(lbl);
y -= labelHeight;
y -= padding.y;
x = Mathf.Max(x, lbl.printedSize.x);
// Add an event listener
UIEventListener listener = UIEventListener.Get(lbl.gameObject);
listener.onHover = OnItemHover;
listener.onPress = OnItemPress;
listener.parameter = s;
// Move the selection here if this is the right label
if (mSelectedItem == s || (i == 0 && string.IsNullOrEmpty(mSelectedItem)))
{
Highlight(lbl, true);
}
// Add this label to the list
mLabelList.Add(lbl);
}
// The triggering widget's width should be the minimum allowed width
x = Mathf.Max(x, (max.x - min.x) - (bgPadding.x + padding.x) * 2f);
float cx = x;
Vector3 bcCenter = new Vector3(cx * 0.5f, -labelHeight * 0.5f, 0f);
Vector3 bcSize = new Vector3(cx, (labelHeight + padding.y), 1f);
// Run through all labels and add colliders
for (int i = 0, imax = labels.Count; i < imax; ++i)
{
UILabel lbl = labels[i];
NGUITools.AddWidgetCollider(lbl.gameObject);
lbl.autoResizeBoxCollider = false;
BoxCollider bc = lbl.GetComponent <BoxCollider>();
if (bc != null)
{
bcCenter.z = bc.center.z;
bc.center = bcCenter;
bc.size = bcSize;
}
else
{
BoxCollider2D b2d = lbl.GetComponent <BoxCollider2D>();
#if UNITY_4_3 || UNITY_4_5 || UNITY_4_6
b2d.center = bcCenter;
#else
b2d.offset = bcCenter;
#endif
b2d.size = bcSize;
}
}
int lblWidth = Mathf.RoundToInt(x);
x += (bgPadding.x + padding.x) * 2f;
y -= bgPadding.y;
// Scale the background sprite to envelop the entire set of items
mBackground.width = Mathf.RoundToInt(x);
mBackground.height = Mathf.RoundToInt(-y + bgPadding.y);
// Set the label width to make alignment work
for (int i = 0, imax = labels.Count; i < imax; ++i)
{
UILabel lbl = labels[i];
lbl.overflowMethod = UILabel.Overflow.ShrinkContent;
lbl.width = lblWidth;
}
// Scale the highlight sprite to envelop a single item
float scaleFactor = 2f * atlas.pixelSize;
float w = x - (bgPadding.x + padding.x) * 2f + hlsp.borderLeft * scaleFactor;
float h = labelHeight + hlspHeight * scaleFactor;
mHighlight.width = Mathf.RoundToInt(w);
mHighlight.height = Mathf.RoundToInt(h);
bool placeAbove = (position == Position.Above);
if (position == Position.Auto)
{
UICamera cam = UICamera.FindCameraForLayer(mSelection.layer);
if (cam != null)
{
Vector3 viewPos = cam.cachedCamera.WorldToViewportPoint(pos);
placeAbove = (viewPos.y < 0.5f);
}
}
// If the list should be animated, let's animate it by expanding it
if (isAnimated)
{
AnimateColor(mBackground);
if (Time.timeScale == 0f || Time.timeScale >= 0.1f)
{
float bottom = y + labelHeight;
Animate(mHighlight, placeAbove, bottom);
for (int i = 0, imax = labels.Count; i < imax; ++i)
{
Animate(labels[i], placeAbove, bottom);
}
AnimateScale(mBackground, placeAbove, bottom);
}
}
// If we need to place the popup list above the item, we need to reposition everything by the size of the list
if (placeAbove)
{
min.y = max.y - bgPadding.y;
max.y = min.y + mBackground.height;
max.x = min.x + mBackground.width;
t.localPosition = new Vector3(min.x, max.y - bgPadding.y, min.z);
}
else
{
max.y = min.y + bgPadding.y;
min.y = max.y - mBackground.height;
max.x = min.x + mBackground.width;
}
Transform pt = mPanel.cachedTransform.parent;
if (pt != null)
{
min = mPanel.cachedTransform.TransformPoint(min);
max = mPanel.cachedTransform.TransformPoint(max);
min = pt.InverseTransformPoint(min);
max = pt.InverseTransformPoint(max);
}
// Ensure that everything fits into the panel's visible range
Vector3 offset = mPanel.hasClipping ? Vector3.zero : mPanel.CalculateConstrainOffset(min, max);
pos = t.localPosition + offset;
pos.x = Mathf.Round(pos.x);
pos.y = Mathf.Round(pos.y);
t.localPosition = pos;
if (onShow.Count > 0)
{
if (EventDelegate.IsValid(onShow))
{
EventDelegate.Execute(onShow);
}
}
}
else
{
OnSelect(false);
}
}
/// <summary>
/// Draw the inspector widget.
/// </summary>
public override void OnInspectorGUI()
{
UIPanel panel = target as UIPanel;
BetterList <UIDrawCall> drawcalls = panel.drawCalls;
EditorGUIUtility.LookLikeControls(80f);
//NGUIEditorTools.DrawSeparator();
EditorGUILayout.Space();
float alpha = EditorGUILayout.Slider("Alpha", panel.alpha, 0f, 1f);
if (alpha != panel.alpha)
{
NGUIEditorTools.RegisterUndo("Panel Alpha", panel);
panel.alpha = alpha;
}
if (panel.showInPanelTool != EditorGUILayout.Toggle("Panel Tool", panel.showInPanelTool))
{
panel.showInPanelTool = !panel.showInPanelTool;
EditorUtility.SetDirty(panel);
EditorWindow.FocusWindowIfItsOpen <UIPanelTool>();
}
GUILayout.BeginHorizontal();
bool norms = EditorGUILayout.Toggle("Normals", panel.generateNormals, GUILayout.Width(100f));
GUILayout.Label("Needed for lit shaders");
GUILayout.EndHorizontal();
if (panel.generateNormals != norms)
{
panel.generateNormals = norms;
panel.UpdateDrawcalls();
EditorUtility.SetDirty(panel);
}
GUILayout.BeginHorizontal();
bool depth = EditorGUILayout.Toggle("Depth Pass", panel.depthPass, GUILayout.Width(100f));
GUILayout.Label("Doubles draw calls, saves fillrate");
GUILayout.EndHorizontal();
if (panel.depthPass != depth)
{
panel.depthPass = depth;
panel.UpdateDrawcalls();
EditorUtility.SetDirty(panel);
}
if (depth)
{
UICamera cam = UICamera.FindCameraForLayer(panel.gameObject.layer);
if (cam == null || cam.GetComponent <Camera>().orthographic)
{
EditorGUILayout.HelpBox("Please note that depth pass will only save fillrate when used with 3D UIs, and only UIs drawn by the game camera. If you are using a separate camera for the UI, you will not see any benefit!", MessageType.Warning);
}
}
GUILayout.BeginHorizontal();
bool stat = EditorGUILayout.Toggle("Static", panel.widgetsAreStatic, GUILayout.Width(100f));
GUILayout.Label("Check if widgets won't move");
GUILayout.EndHorizontal();
if (panel.widgetsAreStatic != stat)
{
panel.widgetsAreStatic = stat;
panel.UpdateDrawcalls();
EditorUtility.SetDirty(panel);
}
GUILayout.BeginHorizontal();
bool cull = EditorGUILayout.Toggle("Cull", panel.cullWhileDragging, GUILayout.Width(100f));
GUILayout.Label("Cull widgets while dragging them");
GUILayout.EndHorizontal();
if (panel.cullWhileDragging != cull)
{
panel.cullWhileDragging = cull;
panel.UpdateDrawcalls();
EditorUtility.SetDirty(panel);
}
EditorGUILayout.LabelField("Widgets", panel.widgets.size.ToString());
EditorGUILayout.LabelField("Draw Calls", drawcalls.size.ToString());
UIPanel.DebugInfo di = (UIPanel.DebugInfo)EditorGUILayout.EnumPopup("Debug Info", panel.debugInfo);
if (panel.debugInfo != di)
{
panel.debugInfo = di;
EditorUtility.SetDirty(panel);
}
UIDrawCall.Clipping clipping = (UIDrawCall.Clipping)EditorGUILayout.EnumPopup("Clipping", panel.clipping);
if (panel.clipping != clipping)
{
panel.clipping = clipping;
EditorUtility.SetDirty(panel);
}
if (panel.clipping != UIDrawCall.Clipping.None)
{
Vector4 range = panel.clipRange;
GUILayout.BeginHorizontal();
GUILayout.Space(80f);
Vector2 pos = EditorGUILayout.Vector2Field("Center", new Vector2(range.x, range.y));
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
GUILayout.Space(80f);
Vector2 size = EditorGUILayout.Vector2Field("Size", new Vector2(range.z, range.w));
GUILayout.EndHorizontal();
if (size.x < 0f)
{
size.x = 0f;
}
if (size.y < 0f)
{
size.y = 0f;
}
range.x = pos.x;
range.y = pos.y;
range.z = size.x;
range.w = size.y;
if (panel.clipRange != range)
{
NGUIEditorTools.RegisterUndo("Clipping Change", panel);
panel.clipRange = range;
EditorUtility.SetDirty(panel);
}
if (panel.clipping == UIDrawCall.Clipping.SoftClip)
{
GUILayout.BeginHorizontal();
GUILayout.Space(80f);
Vector2 soft = EditorGUILayout.Vector2Field("Softness", panel.clipSoftness);
GUILayout.EndHorizontal();
if (soft.x < 1f)
{
soft.x = 1f;
}
if (soft.y < 1f)
{
soft.y = 1f;
}
if (panel.clipSoftness != soft)
{
NGUIEditorTools.RegisterUndo("Clipping Change", panel);
panel.clipSoftness = soft;
EditorUtility.SetDirty(panel);
}
}
#if !UNITY_3_5 && !UNITY_4_0 && (UNITY_ANDROID || UNITY_IPHONE)
if (PlayerSettings.targetGlesGraphics == TargetGlesGraphics.OpenGLES_1_x)
{
EditorGUILayout.HelpBox("Clipping requires shader support!\n\nOpen File -> Build Settings -> Player Settings -> Other Settings, then set:\n\n- Graphics Level: OpenGL ES 2.0.", MessageType.Error);
}
#endif
}
if (clipping == UIDrawCall.Clipping.HardClip)
{
EditorGUILayout.HelpBox("Hard clipping has been removed due to major performance issues on certain Android devices. Alpha clipping will be used instead.", MessageType.Warning);
}
if (clipping != UIDrawCall.Clipping.None && !NGUIEditorTools.IsUniform(panel.transform.lossyScale))
{
EditorGUILayout.HelpBox("Clipped panels must have a uniform scale, or clipping won't work properly!", MessageType.Error);
if (GUILayout.Button("Auto-fix"))
{
NGUIEditorTools.FixUniform(panel.gameObject);
}
}
foreach (UIDrawCall dc in drawcalls)
{
NGUIEditorTools.DrawSeparator();
EditorGUILayout.ObjectField("Material", dc.material, typeof(Material), false);
EditorGUILayout.LabelField("Triangles", dc.triangles.ToString());
if (clipping != UIDrawCall.Clipping.None && !dc.isClipped)
{
EditorGUILayout.HelpBox("You must switch this material's shader to Unlit/Transparent Colored or Unlit/Premultiplied Colored in order for clipping to work.",
MessageType.Warning);
}
}
}
public void Show()
{
if (base.enabled && NGUITools.GetActive(base.gameObject) && mChild == null && atlas != null && isValid && items.Count > 0)
{
mLabelList.Clear();
if (mPanel == null)
{
mPanel = UIPanel.Find(base.transform);
if (mPanel == null)
{
return;
}
}
handleEvents = true;
Transform transform = base.transform;
Bounds bounds = NGUIMath.CalculateRelativeWidgetBounds(transform.parent, transform);
mChild = new GameObject("Drop-down List");
mChild.layer = base.gameObject.layer;
Transform transform2 = mChild.transform;
transform2.parent = transform.parent;
transform2.localPosition = bounds.min;
transform2.localRotation = Quaternion.identity;
transform2.localScale = Vector3.one;
mBackground = NGUITools.AddSprite(mChild, atlas, backgroundSprite);
mBackground.pivot = UIWidget.Pivot.TopLeft;
mBackground.depth = NGUITools.CalculateNextDepth(mPanel.gameObject);
mBackground.color = backgroundColor;
Vector4 border = mBackground.border;
mBgBorder = border.y;
mBackground.cachedTransform.localPosition = new Vector3(0f, border.y, 0f);
mHighlight = NGUITools.AddSprite(mChild, atlas, highlightSprite);
mHighlight.pivot = UIWidget.Pivot.TopLeft;
mHighlight.color = highlightColor;
UISpriteData atlasSprite = mHighlight.GetAtlasSprite();
if (atlasSprite != null)
{
float num = (float)atlasSprite.borderTop;
float num2 = (float)activeFontSize;
float activeFontScale = this.activeFontScale;
float num3 = num2 * activeFontScale;
float num4 = 0f;
float num5 = 0f - padding.y;
List <UILabel> list = new List <UILabel>();
if (!items.Contains(mSelectedItem))
{
mSelectedItem = null;
}
int i = 0;
for (int count = items.Count; i < count; i++)
{
string text = items[i];
UILabel uILabel = NGUITools.AddWidget <UILabel>(mChild);
uILabel.name = i.ToString();
uILabel.pivot = UIWidget.Pivot.TopLeft;
uILabel.bitmapFont = bitmapFont;
uILabel.trueTypeFont = trueTypeFont;
uILabel.fontSize = fontSize;
uILabel.fontStyle = fontStyle;
uILabel.text = ((!isLocalized) ? text : Localization.Get(text));
uILabel.color = textColor;
Transform cachedTransform = uILabel.cachedTransform;
float num6 = border.x + padding.x;
Vector2 pivotOffset = uILabel.pivotOffset;
cachedTransform.localPosition = new Vector3(num6 - pivotOffset.x, num5, -1f);
uILabel.overflowMethod = UILabel.Overflow.ResizeFreely;
uILabel.alignment = alignment;
list.Add(uILabel);
num5 -= num3;
num5 -= padding.y;
float a = num4;
Vector2 printedSize = uILabel.printedSize;
num4 = Mathf.Max(a, printedSize.x);
UIEventListener uIEventListener = UIEventListener.Get(uILabel.gameObject);
uIEventListener.onHover = OnItemHover;
uIEventListener.onPress = OnItemPress;
uIEventListener.onClick = OnItemClick;
uIEventListener.parameter = text;
if (mSelectedItem == text || (i == 0 && string.IsNullOrEmpty(mSelectedItem)))
{
Highlight(uILabel, instant: true);
}
mLabelList.Add(uILabel);
}
float a2 = num4;
Vector3 size = bounds.size;
num4 = Mathf.Max(a2, size.x * activeFontScale - (border.x + padding.x) * 2f);
float num7 = num4;
Vector3 vector = new Vector3(num7 * 0.5f, (0f - num2) * 0.5f, 0f);
Vector3 vector2 = new Vector3(num7, num3 + padding.y, 1f);
int j = 0;
for (int count2 = list.Count; j < count2; j++)
{
UILabel uILabel2 = list[j];
NGUITools.AddWidgetCollider(uILabel2.gameObject);
uILabel2.autoResizeBoxCollider = false;
BoxCollider component = uILabel2.GetComponent <BoxCollider>();
if (component != null)
{
Vector3 center = component.center;
vector.z = center.z;
component.center = vector;
component.size = vector2;
}
else
{
BoxCollider2D component2 = uILabel2.GetComponent <BoxCollider2D>();
component2.offset = vector;
component2.size = vector2;
}
}
int width = Mathf.RoundToInt(num4);
num4 += (border.x + padding.x) * 2f;
num5 -= border.y;
mBackground.width = Mathf.RoundToInt(num4);
mBackground.height = Mathf.RoundToInt(0f - num5 + border.y);
int k = 0;
for (int count3 = list.Count; k < count3; k++)
{
UILabel uILabel3 = list[k];
uILabel3.overflowMethod = UILabel.Overflow.ShrinkContent;
uILabel3.width = width;
}
float num8 = 2f * atlas.pixelSize;
float f = num4 - (border.x + padding.x) * 2f + (float)atlasSprite.borderLeft * num8;
float f2 = num3 + num * num8;
mHighlight.width = Mathf.RoundToInt(f);
mHighlight.height = Mathf.RoundToInt(f2);
bool flag = position == Position.Above;
if (position == Position.Auto)
{
UICamera uICamera = UICamera.FindCameraForLayer(base.gameObject.layer);
if (uICamera != null)
{
Vector3 vector3 = uICamera.cachedCamera.WorldToViewportPoint(transform.position);
flag = (vector3.y < 0.5f);
}
}
if (isAnimated)
{
float bottom = num5 + num3;
Animate(mHighlight, flag, bottom);
int l = 0;
for (int count4 = list.Count; l < count4; l++)
{
Animate(list[l], flag, bottom);
}
AnimateColor(mBackground);
AnimateScale(mBackground, flag, bottom);
}
if (flag)
{
Transform transform3 = transform2;
Vector3 min = bounds.min;
float x = min.x;
Vector3 max = bounds.max;
float y = max.y - num5 - border.y;
Vector3 min2 = bounds.min;
transform3.localPosition = new Vector3(x, y, min2.z);
}
}
}
else
{
OnSelect(isSelected: false);
}
}
/// <summary>
/// Handles & interaction.
/// </summary>
public void OnSceneGUI()
{
if (Selection.objects.Length > 1)
{
return;
}
UICamera cam = UICamera.FindCameraForLayer(mPanel.gameObject.layer);
#if UNITY_4_3 || UNITY_4_5 || UNITY_4_6
if (cam == null || !cam.cachedCamera.isOrthoGraphic)
{
return;
}
#else
if (cam == null || !cam.cachedCamera.orthographic)
{
return;
}
#endif
NGUIEditorTools.HideMoveTool(true);
//if (!UIWidget.showHandles) return;
Event e = Event.current;
int id = GUIUtility.GetControlID(s_Hash, FocusType.Passive);
EventType type = e.GetTypeForControl(id);
Transform t = mPanel.cachedTransform;
Vector3[] handles = UIWidgetInspector.GetHandles(mPanel.worldCorners);
// Time to figure out what kind of action is underneath the mouse
UIWidgetInspector.Action actionUnderMouse = mAction;
Color handlesColor = new Color(0.5f, 0f, 0.5f);
NGUIHandles.DrawShadowedLine(handles, handles[0], handles[1], handlesColor);
NGUIHandles.DrawShadowedLine(handles, handles[1], handles[2], handlesColor);
NGUIHandles.DrawShadowedLine(handles, handles[2], handles[3], handlesColor);
NGUIHandles.DrawShadowedLine(handles, handles[0], handles[3], handlesColor);
if (mPanel.isAnchored)
{
UIWidgetInspector.DrawAnchorHandle(mPanel.leftAnchor, mPanel.cachedTransform, handles, 0, id);
UIWidgetInspector.DrawAnchorHandle(mPanel.topAnchor, mPanel.cachedTransform, handles, 1, id);
UIWidgetInspector.DrawAnchorHandle(mPanel.rightAnchor, mPanel.cachedTransform, handles, 2, id);
UIWidgetInspector.DrawAnchorHandle(mPanel.bottomAnchor, mPanel.cachedTransform, handles, 3, id);
}
if (type == EventType.Repaint)
{
bool showDetails = (mAction == UIWidgetInspector.Action.Scale) || NGUISettings.drawGuides;
if (mAction == UIWidgetInspector.Action.None && e.modifiers == EventModifiers.Control)
{
showDetails = true;
}
if (NGUITools.GetActive(mPanel) && mPanel.parent == null)
{
showDetails = true;
}
if (showDetails)
{
NGUIHandles.DrawSize(handles, Mathf.RoundToInt(mPanel.width), Mathf.RoundToInt(mPanel.height));
}
}
bool canResize = (mPanel.clipping != UIDrawCall.Clipping.None);
// NOTE: Remove this part when it's possible to neatly resize rotated anchored panels.
if (canResize && mPanel.isAnchored)
{
Quaternion rot = mPanel.cachedTransform.localRotation;
if (Quaternion.Angle(rot, Quaternion.identity) > 0.01f)
{
canResize = false;
}
}
bool[] resizable = new bool[8];
resizable[4] = canResize; // left
resizable[5] = canResize; // top
resizable[6] = canResize; // right
resizable[7] = canResize; // bottom
resizable[0] = resizable[7] && resizable[4]; // bottom-left
resizable[1] = resizable[5] && resizable[4]; // top-left
resizable[2] = resizable[5] && resizable[6]; // top-right
resizable[3] = resizable[7] && resizable[6]; // bottom-right
UIWidget.Pivot pivotUnderMouse = UIWidgetInspector.GetPivotUnderMouse(handles, e, resizable, true, ref actionUnderMouse);
switch (type)
{
case EventType.Repaint:
{
Vector3 v0 = HandleUtility.WorldToGUIPoint(handles[0]);
Vector3 v2 = HandleUtility.WorldToGUIPoint(handles[2]);
if ((v2 - v0).magnitude > 60f)
{
Vector3 v1 = HandleUtility.WorldToGUIPoint(handles[1]);
Vector3 v3 = HandleUtility.WorldToGUIPoint(handles[3]);
Handles.BeginGUI();
{
for (int i = 0; i < 4; ++i)
{
DrawKnob(handles[i], id, resizable[i]);
}
if (Mathf.Abs(v1.y - v0.y) > 80f)
{
if (mPanel.leftAnchor.target == null || mPanel.leftAnchor.absolute != 0)
{
DrawKnob(handles[4], id, resizable[4]);
}
if (mPanel.rightAnchor.target == null || mPanel.rightAnchor.absolute != 0)
{
DrawKnob(handles[6], id, resizable[6]);
}
}
if (Mathf.Abs(v3.x - v0.x) > 80f)
{
if (mPanel.topAnchor.target == null || mPanel.topAnchor.absolute != 0)
{
DrawKnob(handles[5], id, resizable[5]);
}
if (mPanel.bottomAnchor.target == null || mPanel.bottomAnchor.absolute != 0)
{
DrawKnob(handles[7], id, resizable[7]);
}
}
}
Handles.EndGUI();
}
}
break;
case EventType.MouseDown:
{
if (actionUnderMouse != UIWidgetInspector.Action.None)
{
mStartMouse = e.mousePosition;
mAllowSelection = true;
if (e.button == 1)
{
if (e.modifiers == 0)
{
GUIUtility.hotControl = GUIUtility.keyboardControl = id;
e.Use();
}
}
else if (e.button == 0 && actionUnderMouse != UIWidgetInspector.Action.None &&
UIWidgetInspector.Raycast(handles, out mStartDrag))
{
mWorldPos = t.position;
mLocalPos = t.localPosition;
mStartRot = t.localRotation.eulerAngles;
mStartDir = mStartDrag - t.position;
mStartCR = mPanel.baseClipRegion;
mDragPivot = pivotUnderMouse;
mActionUnderMouse = actionUnderMouse;
GUIUtility.hotControl = GUIUtility.keyboardControl = id;
e.Use();
}
}
}
break;
case EventType.MouseUp:
{
if (GUIUtility.hotControl == id)
{
GUIUtility.hotControl = 0;
GUIUtility.keyboardControl = 0;
if (e.button < 2)
{
bool handled = false;
if (e.button == 1)
{
// Right-click: Open a context menu listing all widgets underneath
NGUIEditorTools.ShowSpriteSelectionMenu(e.mousePosition);
handled = true;
}
else if (mAction == UIWidgetInspector.Action.None)
{
if (mAllowSelection)
{
// Left-click: Select the topmost widget
NGUIEditorTools.SelectWidget(e.mousePosition);
handled = true;
}
}
else
{
// Finished dragging something
Vector3 pos = t.localPosition;
pos.x = Mathf.Round(pos.x);
pos.y = Mathf.Round(pos.y);
pos.z = Mathf.Round(pos.z);
t.localPosition = pos;
handled = true;
}
if (handled)
{
e.Use();
}
}
// Clear the actions
mActionUnderMouse = UIWidgetInspector.Action.None;
mAction = UIWidgetInspector.Action.None;
}
else if (mAllowSelection)
{
List <UIWidget> widgets = NGUIEditorTools.SceneViewRaycast(e.mousePosition);
if (widgets.Count > 0)
{
Selection.activeGameObject = widgets[0].gameObject;
}
}
mAllowSelection = true;
}
break;
case EventType.MouseDrag:
{
// Prevent selection once the drag operation begins
bool dragStarted = (e.mousePosition - mStartMouse).magnitude > 3f;
if (dragStarted)
{
mAllowSelection = false;
}
if (GUIUtility.hotControl == id)
{
e.Use();
if (mAction != UIWidgetInspector.Action.None || mActionUnderMouse != UIWidgetInspector.Action.None)
{
Vector3 pos;
if (UIWidgetInspector.Raycast(handles, out pos))
{
if (mAction == UIWidgetInspector.Action.None && mActionUnderMouse != UIWidgetInspector.Action.None)
{
// Wait until the mouse moves by more than a few pixels
if (dragStarted)
{
if (mActionUnderMouse == UIWidgetInspector.Action.Move)
{
NGUISnap.Recalculate(mPanel);
}
else if (mActionUnderMouse == UIWidgetInspector.Action.Rotate)
{
mStartRot = t.localRotation.eulerAngles;
mStartDir = mStartDrag - t.position;
}
else if (mActionUnderMouse == UIWidgetInspector.Action.Scale)
{
mStartCR = mPanel.baseClipRegion;
mDragPivot = pivotUnderMouse;
}
mAction = actionUnderMouse;
}
}
if (mAction != UIWidgetInspector.Action.None)
{
NGUIEditorTools.RegisterUndo("Change Rect", t);
NGUIEditorTools.RegisterUndo("Change Rect", mPanel);
if (mAction == UIWidgetInspector.Action.Move)
{
Vector3 before = t.position;
Vector3 beforeLocal = t.localPosition;
t.position = mWorldPos + (pos - mStartDrag);
pos = NGUISnap.Snap(t.localPosition, mPanel.localCorners,
e.modifiers != EventModifiers.Control) - beforeLocal;
t.position = before;
NGUIMath.MoveRect(mPanel, pos.x, pos.y);
}
else if (mAction == UIWidgetInspector.Action.Rotate)
{
Vector3 dir = pos - t.position;
float angle = Vector3.Angle(mStartDir, dir);
if (angle > 0f)
{
float dot = Vector3.Dot(Vector3.Cross(mStartDir, dir), t.forward);
if (dot < 0f)
{
angle = -angle;
}
angle = mStartRot.z + angle;
angle = (NGUISnap.allow && e.modifiers != EventModifiers.Control) ?
Mathf.Round(angle / 15f) * 15f : Mathf.Round(angle);
t.localRotation = Quaternion.Euler(mStartRot.x, mStartRot.y, angle);
}
}
else if (mAction == UIWidgetInspector.Action.Scale)
{
// World-space delta since the drag started
Vector3 delta = pos - mStartDrag;
// Adjust the widget's position and scale based on the delta, restricted by the pivot
AdjustClipping(mPanel, mLocalPos, mStartCR, delta, mDragPivot);
}
}
}
}
}
}
break;
case EventType.KeyDown:
{
if (e.keyCode == KeyCode.UpArrow)
{
NGUIEditorTools.RegisterUndo("Nudge Rect", t);
NGUIEditorTools.RegisterUndo("Nudge Rect", mPanel);
NGUIMath.MoveRect(mPanel, 0f, 1f);
e.Use();
}
else if (e.keyCode == KeyCode.DownArrow)
{
NGUIEditorTools.RegisterUndo("Nudge Rect", t);
NGUIEditorTools.RegisterUndo("Nudge Rect", mPanel);
NGUIMath.MoveRect(mPanel, 0f, -1f);
e.Use();
}
else if (e.keyCode == KeyCode.LeftArrow)
{
NGUIEditorTools.RegisterUndo("Nudge Rect", t);
NGUIEditorTools.RegisterUndo("Nudge Rect", mPanel);
NGUIMath.MoveRect(mPanel, -1f, 0f);
e.Use();
}
else if (e.keyCode == KeyCode.RightArrow)
{
NGUIEditorTools.RegisterUndo("Nudge Rect", t);
NGUIEditorTools.RegisterUndo("Nudge Rect", mPanel);
NGUIMath.MoveRect(mPanel, 1f, 0f);
e.Use();
}
else if (e.keyCode == KeyCode.Escape)
{
if (GUIUtility.hotControl == id)
{
if (mAction != UIWidgetInspector.Action.None)
{
Undo.PerformUndo();
}
GUIUtility.hotControl = 0;
GUIUtility.keyboardControl = 0;
mActionUnderMouse = UIWidgetInspector.Action.None;
mAction = UIWidgetInspector.Action.None;
e.Use();
}
else
{
Selection.activeGameObject = null;
}
}
}
break;
}
}
/// <summary>
/// Convenience function that figures out the panel's correct change flag by searching the parents.
/// </summary>
int GetChangeFlag(UINode start)
{
int flag = start.changeFlag;
if (flag == -1)
{
Transform trans = start.trans.parent;
UINode sub;
// Keep going until we find a set flag
for (;;)
{
// Check the parent's flag
#if USE_SIMPLE_DICTIONARY
if (trans != null && mChildren.TryGetValue(trans, out sub))
{
#else
if (trans != null && mChildren.Contains(trans))
{
sub = (UINode)mChildren[trans];
#endif
flag = sub.changeFlag;
trans = trans.parent;
// If the flag hasn't been set either, add this child to the hierarchy
if (flag == -1)
{
mHierarchy.Add(sub);
}
else
{
break;
}
}
else
{
flag = 0;
break;
}
}
// Update the parent flags
for (int i = 0, imax = mHierarchy.size; i < imax; ++i)
{
UINode pc = mHierarchy.buffer[i];
pc.changeFlag = flag;
}
mHierarchy.Clear();
}
return(flag);
}
/// <summary>
/// Update the world-to-local transform matrix as well as clipping bounds.
/// </summary>
void UpdateTransformMatrix()
{
if (mUpdateTime == 0f || mMatrixTime != mUpdateTime)
{
mMatrixTime = mUpdateTime;
mWorldToLocal = cachedTransform.worldToLocalMatrix;
if (mClipping != UIDrawCall.Clipping.None)
{
Vector2 size = new Vector2(mClipRange.z, mClipRange.w);
if (size.x == 0f)
{
size.x = (mCam == null) ? Screen.width : mCam.pixelWidth;
}
if (size.y == 0f)
{
size.y = (mCam == null) ? Screen.height : mCam.pixelHeight;
}
size *= 0.5f;
mMin.x = mClipRange.x - size.x;
mMin.y = mClipRange.y - size.y;
mMax.x = mClipRange.x + size.x;
mMax.y = mClipRange.y + size.y;
}
}
}
/// <summary>
/// Run through all managed transforms and see if they've changed.
/// </summary>
void UpdateTransforms()
{
mChangedLastFrame = false;
bool transformsChanged = false;
bool shouldCull = false;
#if UNITY_EDITOR
shouldCull = (clipping != UIDrawCall.Clipping.None) && (!Application.isPlaying || mUpdateTime > mCullTime);
if (!Application.isPlaying || !widgetsAreStatic || mWidgetsAdded || shouldCull != mCulled)
#else
shouldCull = (clipping != UIDrawCall.Clipping.None) && (mUpdateTime > mCullTime);
if (!widgetsAreStatic || mWidgetsAdded || shouldCull != mCulled)
#endif
{
#if USE_SIMPLE_DICTIONARY
foreach (KeyValuePair <Transform, UINode> child in mChildren)
{
UINode node = child.Value;
#else
for (int i = 0, imax = mChildren.Count; i < imax; ++i)
{
UINode node = (UINode)mChildren[i];
#endif
if (node.trans == null)
{
mRemoved.Add(node.trans);
continue;
}
if (node.HasChanged())
{
node.changeFlag = 1;
transformsChanged = true;
#if UNITY_EDITOR
Vector3 s = node.trans.lossyScale;
float min = Mathf.Abs(Mathf.Min(s.x, s.y));
if (min == 0f)
{
Debug.LogError("Scale of 0 is invalid! Zero cannot be divided by, which causes problems. Use a small value instead, such as 0.01\n" +
node.trans.lossyScale, node.trans);
}
#endif
}
else
{
node.changeFlag = -1;
}
}
// Clean up the deleted transforms
for (int i = 0, imax = mRemoved.Count; i < imax; ++i)
{
mChildren.Remove(mRemoved[i]);
}
mRemoved.Clear();
}
// If the children weren't culled but should be, check their visibility
if (!mCulled && shouldCull)
{
mCheckVisibility = true;
}
// If something has changed, propagate the changes *down* the tree hierarchy (to children).
// An alternative (but slower) approach would be to do a pc.trans.GetComponentsInChildren<UIWidget>()
// in the loop above, and mark each one as dirty.
if (mCheckVisibility || transformsChanged || mRebuildAll)
{
#if USE_SIMPLE_DICTIONARY
foreach (KeyValuePair <Transform, UINode> child in mChildren)
{
UINode pc = child.Value;
#else
for (int i = 0, imax = mChildren.Count; i < imax; ++i)
{
UINode pc = (UINode)mChildren[i];
#endif
if (pc.widget != null)
{
int visibleFlag = 1;
// No sense in checking the visibility if we're not culling anything (as the visibility is always 'true')
if (shouldCull || transformsChanged)
{
// If the change flag has not yet been determined...
if (pc.changeFlag == -1)
{
pc.changeFlag = GetChangeFlag(pc);
}
// Is the widget visible?
if (shouldCull)
{
visibleFlag = (mCheckVisibility || pc.changeFlag == 1) ? (IsVisible(pc.widget) ? 1 : 0) : pc.visibleFlag;
}
}
// If visibility changed, mark the node as changed as well
if (pc.visibleFlag != visibleFlag)
{
pc.changeFlag = 1;
}
// If the node has changed and the widget is visible (or was visible before)
if (pc.changeFlag == 1 && (visibleFlag == 1 || pc.visibleFlag != 0))
{
// Update the visibility flag
pc.visibleFlag = visibleFlag;
Material mat = pc.widget.material;
// Add this material to the list of changed materials
if (!mChanged.Contains(mat))
{
mChanged.Add(mat);
mChangedLastFrame = true;
}
}
}
}
}
mCulled = shouldCull;
mCheckVisibility = false;
mWidgetsAdded = false;
}
/// <summary>
/// Update all widgets and rebuild their geometry if necessary.
/// </summary>
void UpdateWidgets()
{
#if USE_SIMPLE_DICTIONARY
foreach (KeyValuePair <Transform, UINode> c in mChildren)
{
UINode pc = c.Value;
#else
for (int i = 0, imax = mChildren.Count; i < imax; ++i)
{
UINode pc = (UINode)mChildren[i];
#endif
UIWidget w = pc.widget;
// If the widget is visible, update it
if (pc.visibleFlag == 1 && w != null && w.UpdateGeometry(ref mWorldToLocal, (pc.changeFlag == 1), generateNormals))
{
// We will need to refill this buffer
if (!mChanged.Contains(w.material))
{
mChanged.Add(w.material);
mChangedLastFrame = true;
}
}
pc.changeFlag = 0;
}
}
/// <summary>
/// Update the clipping rect in the shaders and draw calls' positions.
/// </summary>
public void UpdateDrawcalls()
{
Vector4 range = Vector4.zero;
if (mClipping != UIDrawCall.Clipping.None)
{
range = new Vector4(mClipRange.x, mClipRange.y, mClipRange.z * 0.5f, mClipRange.w * 0.5f);
}
if (range.z == 0f)
{
range.z = Screen.width * 0.5f;
}
if (range.w == 0f)
{
range.w = Screen.height * 0.5f;
}
RuntimePlatform platform = Application.platform;
if (platform == RuntimePlatform.WindowsPlayer ||
platform == RuntimePlatform.WindowsWebPlayer ||
platform == RuntimePlatform.WindowsEditor)
{
range.x -= 0.5f;
range.y += 0.5f;
}
Transform t = cachedTransform;
for (int i = 0, imax = mDrawCalls.size; i < imax; ++i)
{
UIDrawCall dc = mDrawCalls.buffer[i];
dc.clipping = mClipping;
dc.clipRange = range;
dc.clipSoftness = mClipSoftness;
dc.depthPass = depthPass;
// Set the draw call's transform to match the panel's.
// Note that parenting directly to the panel causes unity to crash as soon as you hit Play.
Transform dt = dc.transform;
dt.position = t.position;
dt.rotation = t.rotation;
dt.localScale = t.lossyScale;
}
}
/// <summary>
/// Set the draw call's geometry responsible for the specified material.
/// </summary>
void Fill(Material mat)
{
// Cleanup deleted widgets
for (int i = mWidgets.size; i > 0;)
{
if (mWidgets[--i] == null)
{
mWidgets.RemoveAt(i);
}
}
// Fill the buffers for the specified material
for (int i = 0, imax = mWidgets.size; i < imax; ++i)
{
UIWidget w = mWidgets.buffer[i];
if (w.visibleFlag == 1 && w.material == mat)
{
UINode node = GetNode(w.cachedTransform);
if (node != null)
{
if (generateNormals)
{
w.WriteToBuffers(mVerts, mUvs, mCols, mNorms, mTans);
}
else
{
w.WriteToBuffers(mVerts, mUvs, mCols, null, null);
}
}
else
{
Debug.LogError("No transform found for " + NGUITools.GetHierarchy(w.gameObject), this);
}
}
}
if (mVerts.size > 0)
{
// Rebuild the draw call's mesh
UIDrawCall dc = GetDrawCall(mat, true);
dc.depthPass = depthPass;
dc.Set(mVerts, generateNormals ? mNorms : null, generateNormals ? mTans : null, mUvs, mCols);
}
else
{
// There is nothing to draw for this material -- eliminate the draw call
UIDrawCall dc = GetDrawCall(mat, false);
if (dc != null)
{
mDrawCalls.Remove(dc);
NGUITools.DestroyImmediate(dc.gameObject);
}
}
// Cleanup
mVerts.Clear();
mNorms.Clear();
mTans.Clear();
mUvs.Clear();
mCols.Clear();
}
/// <summary>
/// Main update function
/// </summary>
void LateUpdate()
{
mUpdateTime = Time.realtimeSinceStartup;
UpdateTransformMatrix();
UpdateTransforms();
// Always move widgets to the panel's layer
if (mLayer != gameObject.layer)
{
mLayer = gameObject.layer;
UICamera uic = UICamera.FindCameraForLayer(mLayer);
mCam = (uic != null) ? uic.cachedCamera : NGUITools.FindCameraForLayer(mLayer);
SetChildLayer(cachedTransform, mLayer);
for (int i = 0, imax = drawCalls.size; i < imax; ++i)
{
mDrawCalls.buffer[i].gameObject.layer = mLayer;
}
}
UpdateWidgets();
// If the depth has changed, we need to re-sort the widgets
if (mDepthChanged)
{
mDepthChanged = false;
mWidgets.Sort(UIWidget.CompareFunc);
}
// Fill the draw calls for all of the changed materials
for (int i = 0, imax = mChanged.size; i < imax; ++i)
{
Fill(mChanged.buffer[i]);
}
// Update the clipping rects
UpdateDrawcalls();
mChanged.Clear();
mRebuildAll = false;
#if UNITY_EDITOR
mScreenSize = new Vector2(Screen.width, Screen.height);
#endif
}
/// <summary>
/// Display the drop-down list when the game object gets clicked on.
/// </summary>
void OnClick()
{
if (mChild == null && atlas != null && font != null && items.Count > 0)
{
mLabelList.Clear();
// Disable the navigation script
handleEvents = true;
// Automatically locate the panel responsible for this object
if (mPanel == null)
{
mPanel = UIPanel.Find(transform, true);
}
// Calculate the dimensions of the object triggering the popup list so we can position it below it
Transform myTrans = transform;
Bounds bounds = NGUIMath.CalculateRelativeWidgetBounds(myTrans.parent, myTrans);
// Create the root object for the list
mChild = new GameObject("Drop-down List");
mChild.layer = gameObject.layer;
Transform t = mChild.transform;
t.parent = myTrans.parent;
t.localPosition = bounds.min;
t.localRotation = Quaternion.identity;
t.localScale = Vector3.one;
// Add a sprite for the background
mBackground = NGUITools.AddSprite(mChild, atlas, backgroundSprite);
mBackground.pivot = UIWidget.Pivot.TopLeft;
mBackground.depth = NGUITools.CalculateNextDepth(mPanel.gameObject);
mBackground.color = backgroundColor;
// We need to know the size of the background sprite for padding purposes
Vector4 bgPadding = mBackground.border;
mBgBorder = bgPadding.y;
mBackground.cachedTransform.localPosition = new Vector3(0f, bgPadding.y, 0f);
// Add a sprite used for the selection
mHighlight = NGUITools.AddSprite(mChild, atlas, highlightSprite);
mHighlight.pivot = UIWidget.Pivot.TopLeft;
mHighlight.color = highlightColor;
UIAtlas.Sprite hlsp = mHighlight.sprite;
float hlspHeight = hlsp.inner.yMin - hlsp.outer.yMin;
float fontScale = font.size * textScale;
float x = 0f, y = -padding.y;
List <UILabel> labels = new List <UILabel>();
// Run through all items and create labels for each one
for (int i = 0, imax = items.Count; i < imax; ++i)
{
string s = items[i];
UILabel lbl = NGUITools.AddWidget <UILabel>(mChild);
lbl.pivot = UIWidget.Pivot.TopLeft;
lbl.font = font;
lbl.text = (isLocalized && Localization.instance != null) ? Localization.instance.Get(s) : s;
lbl.color = textColor;
lbl.cachedTransform.localPosition = new Vector3(bgPadding.x + padding.x, y, -0.01f);
lbl.MakePixelPerfect();
if (textScale != 1f)
{
Vector3 scale = lbl.cachedTransform.localScale;
lbl.cachedTransform.localScale = scale * textScale;
}
labels.Add(lbl);
y -= fontScale;
y -= padding.y;
x = Mathf.Max(x, lbl.relativeSize.x * fontScale);
// Add an event listener
UIEventListener listener = UIEventListener.Get(lbl.gameObject);
listener.onHover = OnItemHover;
listener.onPress = OnItemPress;
listener.parameter = s;
// Move the selection here if this is the right label
if (mSelectedItem == s)
{
Highlight(lbl, true);
}
// Add this label to the list
mLabelList.Add(lbl);
}
// The triggering widget's width should be the minimum allowed width
x = Mathf.Max(x, bounds.size.x - (bgPadding.x + padding.x) * 2f);
Vector3 bcCenter = new Vector3((x * 0.5f) / fontScale, -0.5f, 0f);
Vector3 bcSize = new Vector3(x / fontScale, (fontScale + padding.y) / fontScale, 1f);
// Run through all labels and add colliders
for (int i = 0, imax = labels.Count; i < imax; ++i)
{
UILabel lbl = labels[i];
BoxCollider bc = NGUITools.AddWidgetCollider(lbl.gameObject);
bcCenter.z = bc.center.z;
bc.center = bcCenter;
bc.size = bcSize;
}
x += (bgPadding.x + padding.x) * 2f;
y -= bgPadding.y;
// Scale the background sprite to envelop the entire set of items
mBackground.cachedTransform.localScale = new Vector3(x, -y + bgPadding.y, 1f);
// Scale the highlight sprite to envelop a single item
mHighlight.cachedTransform.localScale = new Vector3(
x - (bgPadding.x + padding.x) * 2f + (hlsp.inner.xMin - hlsp.outer.xMin) * 2f,
fontScale + hlspHeight * 2f, 1f);
bool placeAbove = (position == Position.Above);
if (position == Position.Auto)
{
UICamera cam = UICamera.FindCameraForLayer(gameObject.layer);
if (cam != null)
{
Vector3 viewPos = cam.cachedCamera.WorldToViewportPoint(myTrans.position);
placeAbove = (viewPos.y < 0.5f);
}
}
// If the list should be animated, let's animate it by expanding it
if (isAnimated)
{
float bottom = y + fontScale;
Animate(mHighlight, placeAbove, bottom);
for (int i = 0, imax = labels.Count; i < imax; ++i)
{
Animate(labels[i], placeAbove, bottom);
}
AnimateColor(mBackground);
AnimateScale(mBackground, placeAbove, bottom);
}
// If we need to place the popup list above the item, we need to reposition everything by the size of the list
if (placeAbove)
{
t.localPosition = new Vector3(bounds.min.x, bounds.max.y - y - bgPadding.y, bounds.min.z);
}
}
else
{
OnSelect(false);
}
}
/// <summary>
/// Display the drop-down list when the game object gets clicked on.
/// </summary>
void OnClick()
{
if (enabled && NGUITools.GetActive(gameObject) && mChild == null && atlas != null && isValid && items.Count > 0)
{
mLabelList.Clear();
// Automatically locate the panel responsible for this object
if (mPanel == null)
{
mPanel = UIPanel.Find(transform);
if (mPanel == null)
{
return;
}
}
// Disable the navigation script
handleEvents = true;
// Calculate the dimensions of the object triggering the popup list so we can position it below it
Transform myTrans = transform;
Bounds bounds = NGUIMath.CalculateRelativeWidgetBounds(myTrans.parent, myTrans);
// Create the root object for the list
mChild = new GameObject("Drop-down List");
mChild.layer = gameObject.layer;
Transform t = mChild.transform;
t.parent = myTrans.parent;
t.localPosition = bounds.min;
t.localRotation = Quaternion.identity;
t.localScale = Vector3.one;
// Add a sprite for the background
mBackground = NGUITools.AddSprite(mChild, atlas, backgroundSprite);
mBackground.pivot = UIWidget.Pivot.TopLeft;
mBackground.depth = NGUITools.CalculateNextDepth(mPanel.gameObject);
mBackground.color = backgroundColor;
// We need to know the size of the background sprite for padding purposes
Vector4 bgPadding = mBackground.border;
mBgBorder = bgPadding.y;
mBackground.cachedTransform.localPosition = new Vector3(0f, bgPadding.y, 0f);
// Add a sprite used for the selection
mHighlight = NGUITools.AddSprite(mChild, atlas, highlightSprite);
mHighlight.pivot = UIWidget.Pivot.TopLeft;
mHighlight.color = highlightColor;
UISpriteData hlsp = mHighlight.GetAtlasSprite();
if (hlsp == null)
{
return;
}
float hlspHeight = hlsp.borderTop;
float fontHeight = activeFontSize;
float dynScale = activeFontScale;
float labelHeight = fontHeight * dynScale;
float x = 0f, y = -padding.y;
int labelFontSize = (bitmapFont != null) ? bitmapFont.defaultSize : fontSize;
List <UILabel> labels = new List <UILabel>();
// Run through all items and create labels for each one
for (int i = 0, imax = items.Count; i < imax; ++i)
{
string s = items[i].Trim();
UILabel lbl = NGUITools.AddWidget <UILabel>(mChild);
lbl.pivot = UIWidget.Pivot.TopLeft;
lbl.bitmapFont = bitmapFont;
lbl.trueTypeFont = trueTypeFont;
lbl.fontSize = labelFontSize;
lbl.fontStyle = fontStyle;
lbl.text = isLocalized ? Localization.Get(s) : s;
lbl.color = textColor;
lbl.cachedTransform.localPosition = new Vector3(bgPadding.x + padding.x, y, -1f);
lbl.overflowMethod = UILabel.Overflow.ResizeFreely;
lbl.MakePixelPerfect();
if (dynScale != 1f)
{
lbl.cachedTransform.localScale = Vector3.one * dynScale;
}
labels.Add(lbl);
y -= labelHeight;
y -= padding.y;
x = Mathf.Max(x, lbl.printedSize.x);
// Add an event listener
UIEventListener listener = UIEventListener.Get(lbl.gameObject);
listener.onHover = OnItemHover;
listener.onPress = OnItemPress;
listener.parameter = s;
// Move the selection here if this is the right label
if (mSelectedItem == s || (i == 0 && string.IsNullOrEmpty(mSelectedItem)))
{
Highlight(lbl, true);
}
// Add this label to the list
mLabelList.Add(lbl);
}
// The triggering widget's width should be the minimum allowed width
x = Mathf.Max(x, bounds.size.x * dynScale - (bgPadding.x + padding.x) * 2f);
float cx = x / dynScale;
Vector3 bcCenter = new Vector3(cx * 0.5f, -fontHeight * 0.5f, 0f);
Vector3 bcSize = new Vector3(cx, (labelHeight + padding.y) / dynScale, 1f);
// Run through all labels and add colliders
for (int i = 0, imax = labels.Count; i < imax; ++i)
{
UILabel lbl = labels[i];
BoxCollider bc = NGUITools.AddWidgetCollider(lbl.gameObject);
bcCenter.z = bc.center.z;
bc.center = bcCenter;
bc.size = bcSize;
}
x += (bgPadding.x + padding.x) * 2f;
y -= bgPadding.y;
// Scale the background sprite to envelop the entire set of items
mBackground.width = Mathf.RoundToInt(x);
mBackground.height = Mathf.RoundToInt(-y + bgPadding.y);
// Scale the highlight sprite to envelop a single item
float scaleFactor = 2f * atlas.pixelSize;
float w = x + hlsp.borderLeft * scaleFactor;
float h = labelHeight + padding.y + hlspHeight * scaleFactor;
mHighlight.width = Mathf.RoundToInt(w);
mHighlight.height = Mathf.RoundToInt(h);
bool placeAbove = (position == Position.Above);
if (position == Position.Auto)
{
UICamera cam = UICamera.FindCameraForLayer(gameObject.layer);
if (cam != null)
{
Vector3 viewPos = cam.cachedCamera.WorldToViewportPoint(myTrans.position);
placeAbove = (viewPos.y < 0.5f);
}
}
// If the list should be animated, let's animate it by expanding it
if (isAnimated)
{
float bottom = y + labelHeight;
Animate(mHighlight, placeAbove, bottom);
for (int i = 0, imax = labels.Count; i < imax; ++i)
{
Animate(labels[i], placeAbove, bottom);
}
AnimateColor(mBackground);
AnimateScale(mBackground, placeAbove, bottom);
}
// If we need to place the popup list above the item, we need to reposition everything by the size of the list
if (placeAbove)
{
t.localPosition = new Vector3(bounds.min.x, bounds.max.y - y - bgPadding.y, bounds.min.z);
}
}
else
{
OnSelect(false);
}
}