Merge 4.x fixes to 5.2.x source.
Prep for 5.3 branch --HG-- branch : develop_5.2pull/413/head
commit
d344d459b1
|
@ -10,97 +10,96 @@ using UnityEngine.EventSystems;
|
|||
namespace UnityEngine.UI.Extensions
|
||||
{
|
||||
[RequireComponent(typeof(ScrollRect))]
|
||||
public class UIScrollToSelection : MonoBehaviour
|
||||
{
|
||||
[AddComponentMenu("UI/Extensions/UIScrollToSelection")]
|
||||
public class UIScrollToSelection : MonoBehaviour {
|
||||
|
||||
//*** ATTRIBUTES ***//
|
||||
[Header("[ References ]")]
|
||||
[SerializeField]
|
||||
private RectTransform layoutListGroup;
|
||||
|
||||
[Header("[ Settings ]")]
|
||||
[SerializeField]
|
||||
private float scrollSpeed = 10f;
|
||||
|
||||
//*** PROPERTIES ***//
|
||||
// REFERENCES
|
||||
protected RectTransform LayoutListGroup {
|
||||
get {return layoutListGroup;}
|
||||
}
|
||||
|
||||
// SETTINGS
|
||||
protected float ScrollSpeed {
|
||||
get {return scrollSpeed;}
|
||||
}
|
||||
|
||||
// VARIABLES
|
||||
protected RectTransform TargetScrollObject {get; set;}
|
||||
protected RectTransform ScrollWindow {get; set;}
|
||||
protected ScrollRect TargetScrollRect {get; set;}
|
||||
|
||||
//*** METHODS - PUBLIC ***//
|
||||
|
||||
|
||||
//*** METHODS - PROTECTED ***//
|
||||
protected virtual void Awake (){
|
||||
TargetScrollRect = GetComponent<ScrollRect>();
|
||||
ScrollWindow = TargetScrollRect.GetComponent<RectTransform>();
|
||||
}
|
||||
|
||||
protected virtual void Start (){
|
||||
|
||||
}
|
||||
|
||||
protected virtual void Update (){
|
||||
ScrollRectToLevelSelection();
|
||||
}
|
||||
|
||||
//*** METHODS - PRIVATE ***//
|
||||
private void ScrollRectToLevelSelection (){
|
||||
// check main references
|
||||
bool referencesAreIncorrect = (TargetScrollRect == null || LayoutListGroup == null || ScrollWindow == null);
|
||||
|
||||
#region Variables
|
||||
if (referencesAreIncorrect == true){
|
||||
return;
|
||||
}
|
||||
|
||||
// settings
|
||||
public float scrollSpeed = 10f;
|
||||
// get calculation references
|
||||
EventSystem events = EventSystem.current;
|
||||
RectTransform selection =
|
||||
events.currentSelectedGameObject != null ?
|
||||
events.currentSelectedGameObject.GetComponent<RectTransform>() :
|
||||
null;
|
||||
|
||||
[SerializeField]
|
||||
private RectTransform layoutListGroup;
|
||||
// check if scrolling is possible
|
||||
if (selection == null ||
|
||||
selection.transform.parent != LayoutListGroup.transform)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
// temporary variables
|
||||
private RectTransform targetScrollObject;
|
||||
private bool scrollToSelection = true;
|
||||
// move the current scroll rect to correct position
|
||||
float selectionPos = -selection.anchoredPosition.y;
|
||||
|
||||
// references
|
||||
private RectTransform scrollWindow;
|
||||
private RectTransform currentCanvas;
|
||||
private ScrollRect targetScrollRect;
|
||||
float elementHeight = LayoutListGroup.rect.height / LayoutListGroup.transform.childCount;
|
||||
float maskHeight = ScrollWindow.rect.height;
|
||||
float listPixelAnchor = LayoutListGroup.anchoredPosition.y;
|
||||
|
||||
private EventSystem events = EventSystem.current;
|
||||
#endregion
|
||||
// get the element offset value depending on the cursor move direction
|
||||
float offlimitsValue = 0;
|
||||
|
||||
// Use this for initialization
|
||||
private void Start()
|
||||
{
|
||||
targetScrollRect = GetComponent<ScrollRect>();
|
||||
scrollWindow = targetScrollRect.GetComponent<RectTransform>();
|
||||
currentCanvas = transform.root.GetComponent<RectTransform>();
|
||||
}
|
||||
if (selectionPos < listPixelAnchor){
|
||||
offlimitsValue = listPixelAnchor - selectionPos;
|
||||
} else if (selectionPos + elementHeight > listPixelAnchor + maskHeight){
|
||||
offlimitsValue = (listPixelAnchor + maskHeight) - (selectionPos + elementHeight);
|
||||
}
|
||||
|
||||
// Update is called once per frame
|
||||
private void Update()
|
||||
{
|
||||
ScrollRectToLevelSelection();
|
||||
}
|
||||
|
||||
private void ScrollRectToLevelSelection()
|
||||
{
|
||||
// check main references
|
||||
bool referencesAreIncorrect =
|
||||
(targetScrollRect == null || layoutListGroup == null || scrollWindow == null);
|
||||
if (referencesAreIncorrect == true)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
// get calculation references
|
||||
RectTransform selection = events.currentSelectedGameObject != null ?
|
||||
events.currentSelectedGameObject.GetComponent<RectTransform>() :
|
||||
null;
|
||||
RectTransform lastSelection = events.lastSelectedGameObject != null ?
|
||||
events.lastSelectedGameObject.GetComponent<RectTransform>() :
|
||||
selection;
|
||||
|
||||
if (selection != targetScrollObject)
|
||||
scrollToSelection = true;
|
||||
|
||||
// check if scrolling is possible
|
||||
bool isScrollDirectionUnknown =
|
||||
(selection == null || lastSelection == null || scrollToSelection == false);
|
||||
|
||||
if (isScrollDirectionUnknown == true || selection.transform.parent != layoutListGroup.transform)
|
||||
return;
|
||||
|
||||
// move the current scroll rect to correct position
|
||||
float selectionPos = -selection.anchoredPosition.y;
|
||||
int direction = (int)Mathf.Sign(selection.anchoredPosition.y - lastSelection.anchoredPosition.y);
|
||||
|
||||
float elementHeight = layoutListGroup.sizeDelta.y / layoutListGroup.transform.childCount;
|
||||
float maskHeight = currentCanvas.sizeDelta.y + scrollWindow.sizeDelta.y;
|
||||
float listPixelAnchor = layoutListGroup.anchoredPosition.y;
|
||||
|
||||
// get the element offset value depending on the cursor move direction
|
||||
float offlimitsValue = 0;
|
||||
if (direction > 0 && selectionPos < listPixelAnchor)
|
||||
{
|
||||
offlimitsValue = listPixelAnchor - selectionPos;
|
||||
}
|
||||
if (direction < 0 && selectionPos + elementHeight > listPixelAnchor + maskHeight)
|
||||
{
|
||||
offlimitsValue = (listPixelAnchor + maskHeight) - (selectionPos + elementHeight);
|
||||
}
|
||||
// move the target scroll rect
|
||||
targetScrollRect.verticalNormalizedPosition +=
|
||||
(offlimitsValue / layoutListGroup.sizeDelta.y) * Time.deltaTime * scrollSpeed;
|
||||
// check if we reached our destination
|
||||
if (Mathf.Abs(offlimitsValue) < 2f)
|
||||
scrollToSelection = false;
|
||||
// save last object we were "heading to" to prevent blocking
|
||||
targetScrollObject = selection;
|
||||
}
|
||||
}
|
||||
// move the target scroll rect
|
||||
TargetScrollRect.verticalNormalizedPosition +=
|
||||
(offlimitsValue / LayoutListGroup.rect.height) * Time.deltaTime * scrollSpeed;
|
||||
|
||||
// save last object we were "heading to" to prevent blocking
|
||||
TargetScrollObject = selection;
|
||||
}
|
||||
}
|
||||
}
|
|
@ -154,7 +154,16 @@ namespace UnityEngine.UI.Extensions
|
|||
{
|
||||
float distFromRight = upperRight.x - val;
|
||||
|
||||
xOffSet = distFromRight;
|
||||
if (distFromRight > (defaultXOffset * 0.75))
|
||||
{
|
||||
//shorten the temporary offset up to a certain distance from the tooltip
|
||||
xOffSet = distFromRight;
|
||||
}
|
||||
else
|
||||
{
|
||||
//if the distance becomes too short flip the tooltip to below the pointer (by offset+twice the height of the tooltip)
|
||||
xOffSet = ((defaultXOffset) - (tooltipRealWidth) * 2f);
|
||||
}
|
||||
|
||||
//assign the new modified coordinates to the tooltip and convert to screen coordinates
|
||||
Vector3 newTooltipPos = new Vector3(GUICamera.ViewportToScreenPoint(newPos).x + xOffSet, 0f, 0f);
|
||||
|
@ -171,7 +180,16 @@ namespace UnityEngine.UI.Extensions
|
|||
{
|
||||
float distFromLeft = lowerLeft.x - val;
|
||||
|
||||
xOffSet = -distFromLeft;
|
||||
if (distFromLeft < (defaultXOffset * 0.75 - tooltipRealWidth))
|
||||
{
|
||||
//shorten the temporary offset up to a certain distance from the tooltip
|
||||
xOffSet = -distFromLeft;
|
||||
}
|
||||
else
|
||||
{
|
||||
//if the distance becomes too short flip the tooltip to above the pointer (by twice the height of the tooltip)
|
||||
xOffSet = ((tooltipRealWidth) * 2f);
|
||||
}
|
||||
|
||||
//assign the new modified coordinates to the tooltip and convert to screen coordinates
|
||||
Vector3 newTooltipPos = new Vector3(GUICamera.ViewportToScreenPoint(newPos).x - xOffSet, 0f, 0f);
|
||||
|
|
Loading…
Reference in New Issue