private void PropagateDoubleClick(UISensitiveObject sender, UIMouseEventArgs evtArgs)
{
if (this.DoubleClick != null)
{
this.DoubleClick(sender, evtArgs);
}
}
/// <summary>
/// Called when the mouse pointer moved over the range of this dropdown selector.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="evtArgs">The details of the event.</param>
private void OnMouseMove(UISensitiveObject sender, UIMouseEventArgs evtArgs)
{
if (this.IsEnabled)
{
if (this.currentStatus == Status.DroppedDown || this.currentStatus == Status.Selecting)
{
if (this.currentStatus == Status.DroppedDown ? this.optionListRect.Contains(evtArgs.Position) : true)
{
/// The pointer is now over the option list part of the dropped down control
RCIntVector relativePos = evtArgs.Position - this.optionListRect.Location;
this.highlightedIndex = relativePos.Y >= 0 && relativePos.Y < this.optionListRect.Height
? relativePos.Y / this.normalRect.Height
: -1;
if (highlightedIndex == -1)
{
if (relativePos.Y < 0)
{
this.highlightedIndex = 0;
}
else if (relativePos.Y >= this.optionListRect.Height)
{
this.highlightedIndex = this.optionCount - 1;
}
}
this.currentStatus = Status.Selecting;
}
}
}
}
/// <summary>
/// Called after a UISensitiveObject has been attached to the sensitive-tree.
/// </summary>
/// <param name="obj">The new object.</param>
private void ObjectAttached(UISensitiveObject obj)
{
if (this.raisingMouseEvents)
{
/// Postpone the needed sensor operations
List <UISensitiveObject> newObjects = new List <UISensitiveObject>();
obj.WalkSensitiveTreeDFS(ref newObjects);
foreach (UISensitiveObject newObj in newObjects)
{
/// Save the created sensor and indicate that it will have to be registered.
UIMouseSensor newSensor = newObj.MouseSensor as UIMouseSensor;
if (newSensor == null)
{
throw new UIException("Incompatible mouse sensor!");
}
this.tmpSensors.Add(newSensor);
this.tmpSensorOperations.Add(true);
}
}
else
{
/// Execute the needed sensor operations
List <UISensitiveObject> newObjects = new List <UISensitiveObject>();
obj.WalkSensitiveTreeDFS(ref newObjects);
foreach (UISensitiveObject newObj in newObjects)
{
UIMouseSensor newSensor = newObj.MouseSensor as UIMouseSensor;
if (newSensor == null)
{
throw new UIException("Incompatible mouse sensor!");
}
this.allSensors.Add(newSensor);
}
}
}
/// <summary>
/// Called when the selected value on the slider control has been changed.
/// </summary>
/// <param name="sender">Reference to the slider control.</param>
private void OnSelectedValueChanged(UISensitiveObject sender)
{
if (this.SelectedValueChanged != null)
{
this.SelectedValueChanged(this);
}
}
private void PropagateButtonUp(UISensitiveObject sender, UIMouseEventArgs evtArgs)
{
if (this.ButtonUp != null)
{
this.ButtonUp(sender, evtArgs);
}
}
private void PropagateLeave(UISensitiveObject sender)
{
if (this.Leave != null)
{
this.Leave(sender);
}
}
private void PropagateMove(UISensitiveObject sender, UIMouseEventArgs evtArgs)
{
if (this.Move != null)
{
this.Move(sender, evtArgs);
}
}
private void PropagateEnter(UISensitiveObject sender)
{
if (this.Enter != null)
{
this.Enter(sender);
}
}
private void PropagateWheel(UISensitiveObject sender, UIMouseEventArgs evtArgs)
{
if (this.Wheel != null)
{
this.Wheel(sender, evtArgs);
}
}
/// <summary>
/// Called when the SelectedValue property of the vertical scrollbar has been changed.
/// </summary>
/// <param name="sender">Reference to the scrollbar that sent this event.</param>
private void OnScrollBarValueChanged(UISensitiveObject sender)
{
if (!this.internalScrollBarValueChange)
{
UIScrollBar senderScrollBar = (UIScrollBar)sender;
this.firstVisibleIndex = senderScrollBar.SelectedValue;
}
}
/// <summary>
/// Called when the mouse pointer has left the range of this dropdown selector.
/// </summary>
/// <param name="sender">The sender of the event.</param>
private void OnMouseLeave(UISensitiveObject sender)
{
if (this.IsEnabled)
{
if (this.currentStatus == Status.Highlighted)
{
this.currentStatus = Status.Normal;
}
}
}
/// <summary>
/// Handler for child range rectangle changed events.
/// </summary>
private void ChildRangeRectChangedHdl(UIObject sender, RCIntRectangle prevRange, RCIntRectangle currRange)
{
UISensitiveObject sensitiveSender = sender as UISensitiveObject;
if (sensitiveSender != null)
{
/// Invalidate the cached range rectangle.
sensitiveSender.absSensitiveRangeCache.Invalidate();
}
}
/// <summary>
/// Handler for child cloak rectangle changed events.
/// </summary>
private void ChildCloakRectChangedHdl(UIObject sender, RCIntRectangle prevCloak, RCIntRectangle currCloak)
{
UISensitiveObject sensitiveSender = sender as UISensitiveObject;
if (sensitiveSender != null)
{
/// Invalidate the cached cloak rectangle.
sensitiveSender.absSensitiveCloakCache.Invalidate();
}
}
/// <summary>
/// Called when a mouse button has been pushed over the range of this UISlider.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="evtArgs">The details of the event.</param>
private void OnMouseDown(UISensitiveObject sender, UIMouseEventArgs evtArgs)
{
this.lastKnownMousePosition = evtArgs.Position;
if (this.IsEnabled && this.activatorBtn == UIMouseButton.Undefined &&
evtArgs.Button == UIMouseButton.Left)
{
this.activatorBtn = evtArgs.Button;
if (this.currentStatus == Status.Normal)
{
if (this.IsInsideSlider(evtArgs.Position))
{
this.currentStatus = Status.DraggingSlider;
/// Shift the slider and modify the selected value if necessary.
if (this.ShiftSlider(evtArgs.Position))
{
this.internalValueChange = true;
this.SelectedValue = this.ComputeValueFromPosition();
this.internalValueChange = false;
}
}
else if (this.IsInsideTrack(evtArgs.Position))
{
this.trackingDirection = this.ComputeTrackingDirection(evtArgs.Position);
this.timeSinceLastTracking = 0;
/// Perform the tracking operation
if (this.trackingDirection == TrackingDirection.Decreasing)
{
this.SelectedValue = Math.Max(0, this.selectedValue - this.trackingValueChange);
}
else
{
this.SelectedValue =
Math.Min(this.intervalLength - 1, this.selectedValue + this.trackingValueChange);
}
/// Change the state of the control
if (!this.IsInsideSlider(evtArgs.Position) &&
this.IsInsideTrack(evtArgs.Position) &&
this.ComputeTrackingDirection(evtArgs.Position) == this.trackingDirection)
{
this.currentStatus = Status.Tracking;
UIRoot.Instance.GraphicsPlatform.RenderLoop.FrameUpdate += this.OnFrameUpdate;
}
else
{
this.currentStatus = Status.TrackingPaused;
}
}
}
}
}
/// <summary>
/// Called when a mouse button has been pushed over the range of this button.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="evtArgs">The details of the event.</param>
private void OnMouseDown(UISensitiveObject sender, UIMouseEventArgs evtArgs)
{
if (this.IsEnabled && this.activatorBtn == UIMouseButton.Undefined &&
evtArgs.Button == UIMouseButton.Left)
{
this.activatorBtn = evtArgs.Button;
this.isPushed = true;
if (this.Pushed != null)
{
this.Pushed(this);
}
}
}
/// <summary>
/// Handler for child position changed events.
/// </summary>
private void ChildPositionChangedHdl(UIObject sender, RCIntVector prevPos, RCIntVector currPos)
{
UISensitiveObject sensitiveSender = sender as UISensitiveObject;
if (sensitiveSender != null)
{
/// Invalidate the cached values of the sender.
sensitiveSender.InvalidateSensitivePosition();
sensitiveSender.InvalidateSensitiveClipRect();
sensitiveSender.InvalidateSensitiveCloakRect();
sensitiveSender.InvalidateSensitiveRangeRect();
}
}
/// <summary>
/// Detaches the given sensitive child of this UISensitiveObject.
/// </summary>
/// <param name="whichChild">The UISensitiveObject you want to detach.</param>
public void DetachSensitive(UISensitiveObject whichChild)
{
if (UIRoot.Instance.GraphicsPlatform.RenderLoop.IsRendering)
{
throw new InvalidOperationException("Rendering is in progress!");
}
if (whichChild.Parent != this)
{
throw new UIException("The object is already detached by UIObject.Detach!");
}
if (whichChild == null)
{
throw new ArgumentNullException("whichChild");
}
if (!this.sensitiveChildrenSet.Contains(whichChild))
{
return;
}
/// Raise the UISensitiveObject.ObjectDetaching event of the sensitive-root.
if (this.SensitiveRoot.ObjectDetaching != null)
{
this.SensitiveRoot.ObjectDetaching(whichChild);
}
/// Detach
//this.Detach(whichChild);
this.sensitiveChildrenSet.Remove(whichChild);
this.sensitiveChildren.Remove(whichChild);
whichChild.sensitiveParent = null;
/// Unbscribe from the PositionChanged, ClipRectChanged, CloakRectChanged and RangeRectChanged
/// events of whichChild
whichChild.PositionChanged -= this.ChildPositionChangedHdl;
whichChild.ClipRectChanged -= this.ChildClipRectChangedHdl;
whichChild.CloakRectChanged -= this.ChildCloakRectChangedHdl;
whichChild.RangeRectChanged -= this.ChildRangeRectChangedHdl;
/// Unsubscribe from the Z-order events of whichChild
whichChild.BroughtForward -= this.BroughtForwardHdl;
whichChild.BroughtToTop -= this.BroughtToTopHdl;
whichChild.SentBackward -= this.SentBackwardHdl;
whichChild.SentToBottom -= this.SentToBottomHdl;
/// Invalidate the cached values in the detached UISensitiveObject
whichChild.InvalidateSensitivePosition();
whichChild.InvalidateSensitiveClipRect();
whichChild.InvalidateSensitiveCloakRect();
whichChild.InvalidateSensitiveRangeRect();
}
/// <summary>
/// Called when a mouse button has been released over the range of this listbox.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="evtArgs">The details of the event.</param>
private void OnMouseUp(UISensitiveObject sender, UIMouseEventArgs evtArgs)
{
if (this.IsEnabled && this.activatorBtn == UIMouseButton.Left &&
evtArgs.Button == UIMouseButton.Left)
{
this.activatorBtn = UIMouseButton.Undefined;
if (this.currentStatus != Status.Normal)
{
this.currentStatus = Status.Normal;
this.SelectedIndex = this.highlightedIndex;
}
}
}
/// <summary>
/// Called when a mouse button has been pushed over the range of this dropdown selector.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="evtArgs">The details of the event.</param>
private void OnMouseDown(UISensitiveObject sender, UIMouseEventArgs evtArgs)
{
if (this.IsEnabled && this.activatorBtn == UIMouseButton.Undefined &&
evtArgs.Button == UIMouseButton.Left)
{
this.activatorBtn = evtArgs.Button;
if (this.currentStatus == Status.Highlighted)
{
this.Range = this.droppedDownRect;
this.BringToTop();
this.currentStatus = Status.DroppedDown;
}
}
}
/// <summary>
/// Called when the mouse pointer has entered to the range of this button.
/// </summary>
/// <param name="sender">The sender of the event.</param>
private void OnMouseEnter(UISensitiveObject sender)
{
if (this.IsEnabled)
{
this.isHighlighted = true;
if (this.activatorBtn == UIMouseButton.Left)
{
this.isPushed = true;
if (this.Pushed != null)
{
this.Pushed(this);
}
}
}
}
/// <summary>
/// Called when a sensitive child has been brought forward in the Z-order.
/// </summary>
private void BroughtForwardHdl(UIObject whichChild)
{
UISensitiveObject sensitiveChild = whichChild as UISensitiveObject;
if (sensitiveChild != null && (sensitiveChild.PreviousSibling as UISensitiveObject) != null)
{
int childIndex = this.sensitiveChildren.IndexOf(sensitiveChild);
if (childIndex > 0)
{
/// Swap the given UISensitiveObject and the UISensitiveObject in front of it.
this.sensitiveChildren[childIndex] = this.sensitiveChildren[childIndex - 1];
this.sensitiveChildren[childIndex - 1] = sensitiveChild;
}
}
}
/// <summary>
/// Called when the mouse pointer has left the range of this button.
/// </summary>
/// <param name="sender">The sender of the event.</param>
private void OnMouseLeave(UISensitiveObject sender)
{
if (this.IsEnabled)
{
this.isHighlighted = false;
if (this.activatorBtn == UIMouseButton.Left)
{
this.isPushed = false;
if (this.Released != null)
{
this.Released(this);
}
}
}
}
/// <summary>
/// Called when a sensitive child has been sent backward in the Z-order.
/// </summary>
private void SentBackwardHdl(UIObject whichChild)
{
UISensitiveObject sensitiveChild = whichChild as UISensitiveObject;
if (sensitiveChild != null && (sensitiveChild.NextSibling as UISensitiveObject) != null)
{
int childIndex = this.sensitiveChildren.IndexOf(sensitiveChild);
if (-1 != childIndex && childIndex < this.sensitiveChildren.Count - 1)
{
/// Swap the given UISensitiveObject and the UISensitiveObject behind it.
this.sensitiveChildren[childIndex] = this.sensitiveChildren[childIndex + 1];
this.sensitiveChildren[childIndex + 1] = sensitiveChild;
}
}
}
/// <summary>
/// Called before a UISensitiveObject is detached from the sensitive-tree.
/// </summary>
/// <param name="obj">The detaching object.</param>
private void ObjectDetaching(UISensitiveObject obj)
{
if (this.raisingMouseEvents)
{
/// Postpone the needed sensor operations
List <UISensitiveObject> detachingObjects = new List <UISensitiveObject>();
obj.WalkSensitiveTreeDFS(ref detachingObjects);
foreach (UISensitiveObject detachingObj in detachingObjects)
{
/// Save the removed sensor and indicate that it will have to be unregistered.
UIMouseSensor removedSensor = detachingObj.MouseSensor as UIMouseSensor;
if (removedSensor == null)
{
throw new UIException("Incompatible mouse sensor!");
}
this.tmpSensors.Add(removedSensor);
this.tmpSensorOperations.Add(false);
}
}
else
{
/// Execute the needed sensor operations
List <UISensitiveObject> detachingObjects = new List <UISensitiveObject>();
obj.WalkSensitiveTreeDFS(ref detachingObjects);
foreach (UISensitiveObject detachingObj in detachingObjects)
{
UIMouseSensor deletedSensor = detachingObj.MouseSensor as UIMouseSensor;
if (deletedSensor != null && this.allSensors.Contains(deletedSensor))
{
deletedSensor.Reset();
this.allSensors.Remove(deletedSensor);
int idxOfDeleted = this.touchedSensors.IndexOf(deletedSensor);
if (idxOfDeleted != -1)
{
this.touchedSensors.RemoveRange(idxOfDeleted, this.touchedSensors.Count - idxOfDeleted);
}
if (this.activeSensor == deletedSensor)
{
this.activeSensor = null;
}
}
else
{
throw new UIException("UIMouseSensor not registered!");
}
}
}
}
/// <summary>
/// Called when a mouse button has been pushed over the range of this listbox.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="evtArgs">The details of the event.</param>
private void OnMouseDown(UISensitiveObject sender, UIMouseEventArgs evtArgs)
{
if (this.IsEnabled && this.activatorBtn == UIMouseButton.Undefined &&
evtArgs.Button == UIMouseButton.Left)
{
this.activatorBtn = evtArgs.Button;
if (this.scrollbar == null ||
(this.scrollbar != null && !(this.scrollbar.Position + this.scrollbar.Range).Contains(evtArgs.Position)))
{
this.highlightedIndex = this.totalItemCount > 0 ?
Math.Min((evtArgs.Position.Y / this.itemSize.Y) + this.firstVisibleIndex, this.totalItemCount - 1) :
-1;
this.currentStatus = Status.Selecting;
}
}
}
/// <summary>
/// Internal method for checking the existence of the tree property after an attach.
/// </summary>
/// <returns>True if the tree property still exists, false otherwise.</returns>
private bool CheckTreeProperty()
{
UISensitiveObject current = this;
while (current.sensitiveParent != null)
{
if (current.sensitiveParent == this)
{
return(false);
}
else
{
current = current.sensitiveParent;
}
}
return(true);
}
/// <summary>
/// Called when a sensitive child has been sent to bottom in the Z-order.
/// </summary>
private void SentToBottomHdl(UIObject whichChild)
{
UISensitiveObject sensitiveChild = whichChild as UISensitiveObject;
if (sensitiveChild != null)
{
int childIndex = this.sensitiveChildren.IndexOf(sensitiveChild);
if (-1 != childIndex && childIndex < this.sensitiveChildren.Count - 1)
{
for (int i = childIndex; i < this.sensitiveChildren.Count - 1; i++)
{
this.sensitiveChildren[i] = this.sensitiveChildren[i + 1];
}
this.sensitiveChildren[this.sensitiveChildren.Count - 1] = sensitiveChild;
}
}
}
/// <summary>
/// Called when a sensitive child has been brought to top in the Z-order.
/// </summary>
private void BroughtToTopHdl(UIObject whichChild)
{
UISensitiveObject sensitiveChild = whichChild as UISensitiveObject;
if (sensitiveChild != null)
{
int childIndex = this.sensitiveChildren.IndexOf(sensitiveChild);
if (childIndex > 0)
{
for (int i = childIndex; i > 0; i--)
{
this.sensitiveChildren[i] = this.sensitiveChildren[i - 1];
}
this.sensitiveChildren[0] = sensitiveChild;
}
}
}
/// <summary>
/// Called when the increase or decrease button has been pushed by an input device.
/// </summary>
/// <param name="sender">Reference to the sender button.</param>
private void OnButtonPushed(UISensitiveObject sender)
{
this.pushedButton = (UIButton)sender;
this.timeSinceLastStep = 0;
if (this.pushedButton == this.decreaseButton)
{
this.sliderControl.SelectedValue =
Math.Max(0, this.sliderControl.SelectedValue - this.stepValueChange);
}
else if (this.pushedButton == this.increaseButton)
{
this.sliderControl.SelectedValue =
Math.Min(this.intervalLength - 1, this.sliderControl.SelectedValue + this.stepValueChange);
}
UIRoot.Instance.GraphicsPlatform.RenderLoop.FrameUpdate += this.OnFrameUpdate;
}
/// <summary>
/// Called when a mouse button has been released over the range of this dropdown selector.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="evtArgs">The details of the event.</param>
private void OnMouseUp(UISensitiveObject sender, UIMouseEventArgs evtArgs)
{
if (this.IsEnabled && this.activatorBtn == UIMouseButton.Left &&
evtArgs.Button == UIMouseButton.Left)
{
this.activatorBtn = UIMouseButton.Undefined;
if (this.currentStatus == Status.DroppedDown || this.currentStatus == Status.Selecting)
{
this.Range = this.normalRect;
bool selectIdx = this.currentStatus == Status.Selecting;
this.currentStatus = this.normalRect.Contains(evtArgs.Position) ? Status.Highlighted
: Status.Normal;
if (selectIdx)
{
this.SelectedIndex = this.highlightedIndex;
}
}
}
}
