private void TextBox_MouseWheel(object sender, MouseWheelEventArgs e)
{
var tb = (TextBox)sender;
if (tb.IsMouseOver)
{
int currentVal;
if (int.TryParse(tb.Text, out currentVal))
{
if (e.Delta > 0)
{
// Increment
tb.Text = (currentVal + 1).ToString();
}
else
{
if (currentVal > 0)
{
// Decrement
tb.Text = (currentVal - 1).ToString();
}
}
}
}
}
private void UIElement_OnMouseWheel(object sender, MouseWheelEventArgs e)
{
var st = (ScaleTransform)image.RenderTransform;
double zoom = e.Delta > 0 ? .2 : -.2;
st.ScaleX += zoom;
st.ScaleY += zoom;
}
private void child_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
{
var st = GetScaleTransform();
var tt = GetTranslateTransform();
double zoom = e.Delta > 0 ? .1 : -.1;
if (!(e.Delta > 0) && (st.ScaleX < .4 || st.ScaleY < .4))
return;
Point relative = e.GetPosition(parent);
double abosuluteX;
double abosuluteY;
abosuluteX = relative.X * st.ScaleX + tt.X;
abosuluteY = relative.Y * st.ScaleY + tt.Y;
st.ScaleX += zoom;
st.ScaleY += zoom;
tt.X = abosuluteX - relative.X * st.ScaleX;
tt.Y = abosuluteY - relative.Y * st.ScaleY;
}
private void MapLayoutPanel_MouseWheel(object sender, MouseWheelEventArgs e)
{
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
var map = (VirtualizingZoomablePanel)sender;
var scrollViewer = Utils.FindAncestor<ScrollViewer>(map);
var mousePos = e.GetPosition(map);
if (map is System.Windows.Controls.Primitives.IScrollInfo)
{
mousePos.X += scrollViewer.HorizontalOffset;
mousePos.Y += scrollViewer.VerticalOffset;
}
var logicalPos = map.PixelsToLogical(mousePos, map.Scale, map.displayOffset);
double lat, lon;
UsaCities.EarthLocation.MercatorUnProject(logicalPos.X, logicalPos.Y, out lat, out lon);
if (e.Delta > 0)
{
map.Scale *= 1.1;
}
else if (e.Delta < 0)
{
map.Scale /= 1.1;
}
map.UpdateLayout();
var newDisplayPos = map.LogicalToPixels(logicalPos, map.Scale, map.displayOffset);
scrollViewer.ScrollToHorizontalOffset(scrollViewer.HorizontalOffset + (newDisplayPos.X - mousePos.X));
scrollViewer.ScrollToVerticalOffset(scrollViewer.VerticalOffset + (newDisplayPos.Y - mousePos.Y));
e.Handled = true;
}
}
void ScaleElement_MouseWheel(object sender, MouseWheelEventArgs e) {
if (Keyboard.Modifiers != ModifierKeys.Control)
return;
ZoomMouseWheel(e.Delta);
e.Handled = true;
}
private void ZoomOneStep(object sender, MouseWheelEventArgs e)
{
_scale *= Math.Pow(ZoomStep, e.Delta/360.0);
if (_scale < FullScreenScale) _scale = FullScreenScale;
_tileContainer.LayoutTransform = new ScaleTransform(_scale, _scale);
e.Handled = true;
}
//滚轮缩放
private void image_PreviewMouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
//获取当前坐标
System.Windows.Point point = e.GetPosition(gridDraw);
//转换坐标到原始位置
System.Windows.Point pt = this.gridDraw.RenderTransform.Inverse.Transform(point);
//平移
this.tlt.X = (point.X - pt.X) * this.sfr.ScaleX;
this.tlt.Y = (point.Y - pt.Y) * this.sfr.ScaleY;
this.sfr.CenterX = point.X;
this.sfr.CenterY = point.Y;
//获取缩放方向
int scaleDir = Math.Abs(e.Delta) / e.Delta;
//设置放大或缩小10%
this.sfr.ScaleX += sfr.ScaleX * 0.1 * scaleDir;
this.sfr.ScaleY += sfr.ScaleY * 0.1 * scaleDir;
if (this.sfr.ScaleX < 0.5)
{
this.sfr.ScaleX = 0.5;
this.sfr.ScaleY = 0.5;
}
//更新缩放比例,保留两位小数
MapOperate.ViewInfo.Scale = Math.Round(this.sfr.ScaleX, 1);
}
/// <summary>
/// When user tries to use mouse wheel there can be several cases.
/// </summary>
private void OnPreviewMouseWheel(object sender, MouseWheelEventArgs e)
{
// Case 1: User scrolls the mouse wheel when Shift key is being held down. This
// action triggers a horizontal scroll on the library view (so that lengthy names
// can be revealed). Setting 'Handled' to 'false' allows the underlying scroll bar
// to handle the mouse wheel event.
if (Keyboard.IsKeyDown(Key.LeftShift) || Keyboard.IsKeyDown(Key.RightShift))
{
e.Handled = false;
return;
}
// Case 2: If the mouse is outside of the library view, but mouse wheel messages
// get sent to it anyway. In such case there is nothing to change here. The 'Handled'
// is not set to 'true' here because the mouse wheel messages should be routed to the
// ScrollViewer on tool-tip for further processing.
if (!(sender as UIElement).IsMouseOver)
return;
// Case 3: Mouse wheel without any modifier keys, it scrolls the library view
// vertically. In this case 'VerticalOffset' is updated, 'Handled' is also set
// so that mouse wheel message routing ends here.
ScrollViewer scv = (ScrollViewer)sender;
scv.ScrollToVerticalOffset(scv.VerticalOffset - e.Delta);
e.Handled = true;
}
private void Texture_Canvas_MouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
bool IsPlus = false;
if (e.Delta > 0)
{
IsPlus = true;
}
Point MousePoint = e.GetPosition(Texture_Canvas);
foreach (Texture_Info Info in Core.All_Textures)
{
Matrix matrix = ((MatrixTransform)Info.Texture_Image.Texture_Image.RenderTransform).Matrix;
if (IsPlus && matrix.M11 < 9)
{
Core.Zoom = Set_Texture_Zoom(Info, MousePoint, 1.1);
}
else if (!IsPlus && matrix.M11 > 0.12)
{
Core.Zoom = Set_Texture_Zoom(Info, MousePoint, 1 / 1.1);
}
}
if (Select_Texture != null)
{
Set_Dollet_Line(Select_Texture);
}
}
public static void MouseWheel(Canvas c, TransformGroup tg, MouseWheelEventArgs e)
{
int deltaValue;
deltaValue = e.Delta;
TranslateTransform tt = (TranslateTransform)tg.Children[1];
ScaleTransform st = (ScaleTransform)tg.Children[0];
double xSpot = e.GetPosition(c).X;
double ySpot = e.GetPosition(c).Y;
Double x = e.GetPosition(c).X - tt.X;
Double y = e.GetPosition(c).Y - tt.Y;
Double centerX = st.CenterX * (st.ScaleX - 1);
Double centerY = st.CenterY * (st.ScaleY - 1);
st.CenterX = x;
st.CenterY = y;
if (deltaValue > 0)
{
st.ScaleX *= 1.25;
st.ScaleY *= 1.25;
}
else
{
st.ScaleX *= 0.75;
st.ScaleY *= 0.75;
}
}
private void OnMouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
//this.asmGrid.FontSize += e.Delta;
}
}
void HandleMouseWheel(System.Windows.Input.MouseWheelEventArgs e)
{
//zooming
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
double scale = _scaleTransform.ScaleX;
scale += (e.Delta > 0) ? 0.1 : -0.1;
scale = scale <= 0.2 ? 0.2 : scale;
scale = scale >= 5 ? 5 : scale;
_scaleTransform.ScaleX = _scaleTransform.ScaleY = scale;
e.Handled = true;
RaiseZoomChanged();
}
else //scrolling
{
if (e.Delta > 0)
{
ManageScroolUp();
}
else
{
ManageScroolDown();
}
}
}
protected override void OnMouseWheel(MouseWheelEventArgs e)
{
base.OnMouseWheel(e);
var zoomDelta = MouseWheelZoomDelta * (double)e.Delta / 120d;
ZoomMap(e.GetPosition(this), TargetZoomLevel + zoomDelta);
}
/// <summary>
/// This method is triggered on a MouseWheel preview event to check if the user
/// is also holding down the CTRL Key and adjust the current font size if so.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void textEditor_PreviewMouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
if (Keyboard.Modifiers == ModifierKeys.Control)
{
double fontSize = this.FontSize + e.Delta / 25.0;
if (fontSize < 6)
{
this.FontSize = 6;
}
else
{
if (fontSize > 200)
{
this.FontSize = 200;
}
else
{
this.FontSize = fontSize;
}
}
e.Handled = true;
}
}
public void lbMatFile_MouseWheel(object sender, MouseWheelEventArgs e)
{
if (scrollViewer != null)
{
scrollViewer.ScrollToVerticalOffset(scrollViewer.VerticalOffset - e.Delta);
}
}
public void scroll(object sender, MouseWheelEventArgs args)
{
if (!scrolling)
{
if (args.Delta < 120)
{
scrollAnimation.From = Canvas.GetTop(tasksItemsControl);
if (space < tasksItemsControl.Items.Count)
{
scrollAnimation.To = Canvas.GetTop(tasksItemsControl) - 98;
space++;
}
}
else
{
scrollAnimation.From = Canvas.GetTop(tasksItemsControl);
if (space > 0)
{
scrollAnimation.To = Canvas.GetTop(tasksItemsControl) + 98;
space--;
}
}
scrollAnimation.Completed += new EventHandler((o, a) =>
{
scrolling = false;
});
scrolling = true;
tasksItemsControl.BeginAnimation(Canvas.TopProperty, scrollAnimation);
}
}
private void img_MouseWheel(object sender, MouseWheelEventArgs e)
{
if (e.Delta > 0)
IncreaseZoom();
else
DecreaseZoom();
}
private static void OnSelectorPreviewMouseWheel(object sender, MouseWheelEventArgs e)
{
if (e.Delta == 0)
{
// nothing to do
return;
}
var selector = (Selector)sender;
// get or stored scrollviewer
var lbScrollViewer = GetScrollViewer(selector);
if (lbScrollViewer != null)
{
var scrollingLines = GetScrollingLines(selector);
for (var i = 0; i < scrollingLines; i++)
{
if (e.Delta < 0)
{
lbScrollViewer.LineDown();
}
else
{
lbScrollViewer.LineUp();
}
}
e.Handled = true;
}
}
protected override void OnMouseWheel(MouseWheelEventArgs e)
{
if (VerticalScrollBarVisibility != ScrollBarVisibility.Disabled)
{
base.OnMouseWheel(e);
}
}
/// <summary>
/// Handles the PreviewMouseWheel event of the ScrollViewer control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="MouseWheelEventArgs"/> instance containing the event data.</param>
private void ScrollViewer_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
{
try
{
var scrollviewer = sender as ScrollViewer;
if (e.Delta > 0)
{
if (scrollviewer != null)
{
scrollviewer.LineUp();
}
}
else
{
if (scrollviewer != null)
{
scrollviewer.LineDown();
}
}
e.Handled = true;
}
catch
{
// Do nothing.
}
}
private void AssociatedObject_PreviewMouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
if (this.TargetElement != null)
{
this.TargetElement.ScrollToVerticalOffset(this.TargetElement.VerticalOffset - e.Delta);
}
}
private static void ListBoxOnPreviewMouseWheel(object sender, MouseWheelEventArgs e)
{
var lb = sender as ListBox;
if (lb != null)
{
// get or store scrollviewer
var lbScrollViewer = GetScrollViewer(lb);
if (lbScrollViewer != null)
{
var scrollingLines = GetScrollingLines(lb);
if (e.Delta < 0)
{
for (var i = 0; i < scrollingLines; i++)
{
lbScrollViewer.LineDown();
}
}
else
{
for (var i = 0; i < scrollingLines; i++)
{
lbScrollViewer.LineUp();
}
}
e.Handled = true;
}
}
}
private void ItemsControl_MouseWheel(object sender, MouseWheelEventArgs e)
{
var x = Math.Pow(2, e.Delta / 3.0 / Mouse.MouseWheelDeltaForOneLine);
_zoomableCanvas.Scale *= x;
e.Handled = true;
}
private void TreeView_MouseWheel_1(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
if (_ScrollViewer != null)
{
_ScrollViewer.ScrollToVerticalOffset(_ScrollViewer.VerticalOffset - e.Delta);
}
}
public MouseWheelInputEventArgs(IMouseWheelController controller, MouseWheel wheel, MouseWheelEventArgs nativeEventArgs)
: base(nativeEventArgs.MouseDevice, nativeEventArgs.Timestamp)
{
Controller = controller;
Wheel = wheel;
NativeEventArgs = nativeEventArgs;
}
private void OnRootControlMouseWheel(object sender, MouseWheelEventArgs e)
{
var handler = MouseWheel;
if (handler != null)
handler(e, new MouseStateEventArgs(_mousePosition, Vector2.Zero, MouseButton.None, 0, e.Delta));
}
protected override void OnPreviewMouseWheel(MouseWheelEventArgs args)
{
base.OnPreviewMouseWheel(args);
Transform temptransform;
// Debug.WriteLine("Mouse wheel " + args.Delta);
// ImageDisp.LayoutTransform=new ScaleTransform(2.0,2.0) ;
if (args.Delta > 0)
dScale+=0.10;
if (args.Delta < 0)
{
dScale -= 0.10;
if (dScale < 1.0)
dScale = 1.0;
}
//Debug.WriteLine(" dScale " +dScale);
//Debug.WriteLine(" ImageDisp.LayoutTransform " + ImageDisp.LayoutTransform);
ImageDisp.RenderTransform = new ScaleTransform(dScale, dScale,(double)(pixelwidth / 2.0f), (double)(pixelheight / 2.0f));
ImageDisp.
Debug.WriteLine("Transform");
Debug.WriteLine("W " + bmpImage.PixelWidth + " H " + bmpImage.PixelHeight);
Debug.WriteLine("Dpi X " + bmpImage.DpiX + " Dpi Y " + bmpImage.DpiY);
Debug.WriteLine("Source X " + bmpImage.SourceRect.X + " Source Y " + bmpImage.SourceRect.Y);
// ImageDisp.InvalidateMeasure();
//ImageDisp.InvalidateVisual();
//ImageDisp.
}
private void UI_MouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
var image = sender as FrameworkElement;
if (image == null)
{
return;
}
double zoom = e.Delta > 0 ? .05 : -.05;
var mousePosition = Mouse.GetPosition(image);
var st = image.RenderTransform as ScaleTransform;
if (st == null)
{
ScaleTransform scaleTransform1 = new ScaleTransform(zoom + 1, zoom + 1, image.ActualWidth / 2, image.ActualHeight / 2);
image.RenderTransform = scaleTransform1;
}
else
{
if (st.ScaleX + zoom < 0.2)
{
return;
}
st.ScaleX += zoom;
st.ScaleY += zoom;
System.Diagnostics.Debug.WriteLine(st.ScaleX);
}
}
void OnPreviewMouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
e.Handled = true;
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
e.Handled = true;
if (this.FontSize + e.Delta / 60 < MinFontSize)
{
this.FontSize = MinFontSize;
}
else if (this.FontSize + e.Delta / 60 > MaxFontSize)
{
this.FontSize = MaxFontSize;
}
else
{
this.FontSize += (e.Delta / 60);
}
}
else
{
if (this.VerticalOffset - e.Delta < 0)
{
this.VerticalOffset = 0;
}
else if (this.VerticalOffset - e.Delta > this.ScrollingLimit)
{
this.VerticalOffset = this.ScrollingLimit;
}
else
{
this.VerticalOffset -= e.Delta;
}
}
}
private void ChangeScaleIndex(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
if (e.Delta < 0)
{
if (totalScale <= 0.15)
{
scaleFactor = 0.98;
}
else
{
scaleFactor = 0.9;
}
if (totalScale * 2 * scaleFactor > 0.05)
{
totalScale *= scaleFactor;
Draw();
}
}
else if (e.Delta > 0)
{
scaleFactor = 1.1;
if (totalScale * 2 * scaleFactor < 4)
{
totalScale *= scaleFactor;
Draw();
}
}
}
private void CProgressBar_MouseWheel(object sender, MouseWheelEventArgs e)
{
if (e.Delta > 0)
Value += Maximum * 0.02;
else
Value -= Maximum * 0.02;
}
private void TreeView_OnPreviewMouseWheel(object sender, MouseWheelEventArgs e) {
e.Handled = true;
(((FrameworkElement)sender).Parent as UIElement)?.RaiseEvent(new MouseWheelEventArgs(e.MouseDevice, e.Timestamp, e.Delta) {
RoutedEvent = MouseWheelEvent,
Source = sender
});
}
private void OnMouseWheel(object sender, MouseWheelEventArgs e) {
if (!e.Handled) {
Point mousePos = e.GetPosition(this);
int delta = -e.Delta;
MouseWheelZoom(mousePos, delta);
}
}
private void lbDocumentThumbnails_PreviewMouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
// Find Descendant
var d = sender as DependencyObject;
var scrollViewer = FindDescendant <ScrollViewer>(d);
if (Keyboard.Modifiers == ModifierKeys.Alt && scrollViewer != null)
{
if (e.Delta < 0)
{
scrollViewer.LineRight();
e.Handled = true;
}
else
{
scrollViewer.LineLeft();
e.Handled = true;
}
}
if (!e.Handled)
{
e.Handled = true;
var eventArg = new MouseWheelEventArgs(e.MouseDevice, e.Timestamp, e.Delta);
eventArg.RoutedEvent = UIElement.MouseWheelEvent;
eventArg.Source = sender;
var parent = ((Control)sender).Parent as UIElement;
parent.RaiseEvent(eventArg);
}
}
private void viewport3d_MouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
double s = 240;
ppc.Position = new Point3D(ppc.Position.X, ppc.Position.Y, ppc.Position.Z - e.Delta / s);
// 在此处添加事件处理程序实现。
}
private void ScrollViewer_PreviewMouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
var scrollViewer = (ScrollViewer)sender;
if (scrollViewer == null || (scrollViewer.Tag is bool && (bool)scrollViewer.Tag))
{
return;
}
if (Keyboard.Modifiers != ModifierKeys.Shift && scrollViewer.ComputedVerticalScrollBarVisibility == Visibility.Visible)
{
return;
}
if (e.Delta < 0)
{
scrollViewer.LineRight();
}
else
{
scrollViewer.LineLeft();
}
e.Handled = true;
}
void _element_MouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
if (this._wheel != null)
{
this.OnWheel(new MouseWheelEventArgs((double)(e.Delta / 120), e.GetPosition(this._element.GetRootVisual())));
}
}
private void canvas_MouseWheel_1(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
if (mode.Zoom == true)
{
//scroller.CanContentScroll = false;
zoom += zoomSpeed * e.Delta; // Ajust zooming speed (e.Delta = Mouse spin value )
if (zoom < zoomMin)
{
zoom = zoomMin;
} // Limit Min Scale
if (zoom > zoomMax)
{
zoom = zoomMax;
} // Limit Max Scale
Point mousePos = e.GetPosition(canvas);
if (zoom > 1)
{
canvas.RenderTransform = new ScaleTransform(zoom, zoom, mousePos.X, mousePos.Y); // transform Canvas size from mouse position
}
else
{
canvas.RenderTransform = new ScaleTransform(zoom, zoom); // transform Canvas size
}
}
}
void PlotControl_MouseWheel(object sender, MouseWheelEventArgs e)
{
bool control = (Keyboard.IsKeyDown(Key.LeftCtrl));
bool shift = (Keyboard.IsKeyDown(Key.LeftShift));
OnMouseWheel(e.GetPosition(pc), e.Delta, control, shift);
}
void SeeThruListView_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
{
e.Handled = true;
var e2 = new MouseWheelEventArgs(e.MouseDevice, e.Timestamp, e.Delta);
e2.RoutedEvent = UIElement.MouseWheelEvent;
RaiseEvent(e2);
}
public void controlMouseWheel(object sender, MouseWheelEventArgs args)
{
var img = sender as Image;
if (img == null) return;
var transform = (TransformGroup)img.RenderTransform;
foreach (var child in transform.Children.OfType<ScaleTransform>())
{
var delta = args.Delta > 0 ? StepSize : -StepSize;
var newScale = child.ScaleX + delta;
if (newScale >= 1)
{
child.ScaleX = newScale;
child.ScaleY = newScale;
((ImageParams)img.Tag).Scale = newScale;
}
}
foreach (var translate in transform.Children.OfType<TranslateTransform>())
{
var scale = ((ImageParams)img.Tag).Scale;
var relY = (img.ActualHeight * scale - img.ActualHeight) / 2;
var relX = (img.ActualWidth * scale - MagicalNumberOfLogic.ActualWidth) / 2;
if (translate.Y < -relY || translate.Y > relY)
{
var step = StepToOriginal(translate.Y, scale, StepSize);
translate.Y -= step;
}
if (translate.X < -relX || translate.X > relX)
{
var step = StepToOriginal(translate.X, scale, StepSize);
translate.X -= step;
}
}
}
private void canvas_MouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
if (mapInfo == null)
{
return;
}
double zoom = e.Delta > 0 ? .3 * scaleMap.ScaleX : -.3 * scaleMap.ScaleX;
var x = e.GetPosition(mapLayer).X / mapLayer.ActualWidth;
var y = e.GetPosition(mapLayer).Y / mapLayer.ActualHeight;
x = Math.Max(Math.Min(x, 1), 0);
y = Math.Max(Math.Min(y, 1), 0);
var dX = (x - mapLayer.RenderTransformOrigin.X) * mapLayer.ActualWidth * (1 - scaleMap.ScaleX);
var dY = (y - mapLayer.RenderTransformOrigin.Y) * mapLayer.ActualHeight * (1 - scaleMap.ScaleY);
translateMap.X -= dX;
translateMap.Y -= dY;
mapLayer.RenderTransformOrigin = new Point(x, y);
scaleMap.ScaleX += zoom;
scaleMap.ScaleY += zoom;
scaleOfPlayerIcon.ScaleX = 1 / scaleMap.ScaleX;
scaleOfPlayerIcon.ScaleY = 1 / scaleMap.ScaleY;
}
private void TabControl_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
{
if (e.Delta > 0)
{
if (SelectedIndex < Items.Count - 1)
SelectedIndex++;
else
SelectedIndex = 0;
}
else
{
if (SelectedIndex > 0)
SelectedIndex--;
else
SelectedIndex = Items.Count - 1;
}
if (!_tabPanel.Children[SelectedIndex].IsEnabled)
{
if (_tabPanel.Children.OfType<TabItem>().All(x => !x.IsEnabled))
{
SelectedIndex = -1;
return;
}
TabControl_PreviewMouseWheel(sender, e);
}
TabItem_PreviewMouseDown(sender, null);
ChangeVisibility();
}
private void ScrollConLaRuedaDelRaton(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
ScrollViewer scroll = (ScrollViewer)sender;
scroll.ScrollToVerticalOffset(scroll.VerticalOffset - e.Delta);
e.Handled = true;
}
private void txtUrl_PreviewMouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
if (Keyboard.Modifiers != ModifierKeys.Control)
{
return;
}
e.Handled = true;
var fontSize = txtUrl.FontSize;
if (e.Delta > 0)
{
++fontSize;
}
else
{
--fontSize;
}
if (fontSize < this.FontSize)
{
fontSize = this.FontSize;
}
if (fontSize > (3 * this.FontSize))
{
fontSize = 3 * this.FontSize;
}
txtUrl.FontSize = fontSize;
}
private static void PreviewMouseWheel(Object sender, MouseWheelEventArgs e)
{
if (Keyboard.Modifiers == ModifierKeys.Control)
{
Control zoomableControl = (Control)sender;
double zoomAmount = (double)zoomableControl.GetValue(ZoomAmountProperty);
double zoomMinimum = (double)zoomableControl.GetValue(ZoomMinimumProperty);
double zoomMaximum = (double)zoomableControl.GetValue(ZoomMaximumProperty);
if (e.Delta > 0)
zoomAmount *= 1.1;
else
zoomAmount *= 0.90909090909090906;
if (zoomAmount > zoomMaximum)
zoomAmount = zoomMaximum;
else if (zoomAmount < zoomMinimum)
zoomAmount = zoomMinimum;
zoomAmount = Math.Round(zoomAmount, 2);
zoomableControl.SetValue(ZoomAmountProperty, zoomAmount);
}
}
private static void HandlePreviewMouseWheel(object sender, MouseWheelEventArgs e)
{
var scrollControl = sender as ScrollViewer;
if (!e.Handled && sender != null && !reentrantList.Contains(e))
{
var previewEventArg = new MouseWheelEventArgs(e.MouseDevice, e.Timestamp, e.Delta)
{
RoutedEvent = UIElement.PreviewMouseWheelEvent,
Source = sender
};
var originalSource = e.OriginalSource as UIElement;
reentrantList.Add(previewEventArg);
if (originalSource!=null) originalSource.RaiseEvent(previewEventArg);
reentrantList.Remove(previewEventArg);
// at this point if no one else handled the event in our children, we do our job
if (!previewEventArg.Handled && ((e.Delta > 0 && scrollControl.VerticalOffset == 0)
|| (e.Delta <= 0 && scrollControl.VerticalOffset >= scrollControl.ExtentHeight - scrollControl.ViewportHeight)))
{
e.Handled = true;
var eventArg = new MouseWheelEventArgs(e.MouseDevice, e.Timestamp, e.Delta);
eventArg.RoutedEvent = UIElement.MouseWheelEvent;
eventArg.Source = sender;
var parent = (UIElement)((FrameworkElement)sender).Parent;
parent.RaiseEvent(eventArg);
}
}
}
private void timelineView_MouseWheel_1(object sender, MouseWheelEventArgs e)
{
var delta = e.Delta < 0 ? 0.5 : -0.5;
var newZoom = zoomSlider.Value + delta;
if (zoomSlider.Minimum <= newZoom && newZoom <= zoomSlider.Maximum)
zoomSlider.Value = newZoom;
}
private void ListViewScrollViewer_PreviewMouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
ScrollViewer scv = (ScrollViewer)sender;
scv.ScrollToVerticalOffset(scv.VerticalOffset - e.Delta);
e.Handled = true;
}
protected override void OnPreviewMouseWheel(System.Windows.Input.MouseWheelEventArgs e)
{
// TIP: to use scroll instead of default Zoom feature just hold 'Control' key and scroll Mouse Wheel
if (Keyboard.Modifiers != ModifierKeys.Control)
{
LastMousePositionOnTarget = Mouse.GetPosition(this.Content as IInputElement);
double val = Math.Round(Zoom, 1);
if (e.Delta > 0)
{
if (val < 1)
{
val += 0.1;
}
else if (val >= 1 && val < 2.2)
{
val += 0.4;
}
else if (val >= 2.2 && val < 4)
{
val += 0.6;
}
else if (val >= 4)
{
val += 0.8;
}
}
if (e.Delta < 0)
{
if (val <= 1)
{
val -= 0.1;
}
else if (val > 1 && val <= 2.2)
{
val -= 0.4;
}
else if (val > 2.2 && val <= 4)
{
val -= 0.6;
}
else if (val > 4)
{
val -= 0.8;
}
}
if (val >= Minimum && val <= Maximum)
{
Zoom = val;
}
e.Handled = true;
}
else
{
base.OnPreviewMouseWheel(e);
}
}
private void Window_MouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
var zoom = ((MatrixTransform)canvas.RenderTransform).Matrix;
zoom.ScaleAt(1 + e.Delta / 1000D, 1 + e.Delta / 1000D, e.GetPosition(this).X, e.GetPosition(this).Y);
canvas.RenderTransform = new MatrixTransform(zoom);
}
private void canvas_MouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
var element = this.canvas as UIElement;
var position = e.GetPosition(element);
var scale = e.Delta >= 0 ? 1.1 : (1.0 / 1.1); // choose appropriate scaling factor
ScaleCanvas(scale, position);
}
void MediaEl_MouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
var timeGap = 0.04M;
var newPosition = Convert.ToDecimal(this.MediaEl.Position) + timeGap * (e.Delta > 0 ? MediaEl.SpeedRatio : -MediaEl.SpeedRatio);
newPosition = SnapTo(0.04M, newPosition);
MediaEl.Position = newPosition;
}
private void slider1_PreviewMouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
base.OnPreviewMouseWheel(e);
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
slider1.Value += (e.Delta > 0) ? 0.1 : -0.1;
}
}
//</SnippetUIElementMouseCapture>
void OnMouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
e.Handled = true;
_scaleDelta += (double)((double)e.Delta / (double)1000);
Quaternion q = _rotation;
UpdateSlaves(q, _scale * _scaleDelta, _translate);
}
public void PreprocessMouseWheel(System.Windows.Input.MouseWheelEventArgs e)
{
IMouseProcessor processor = Content as IMouseProcessor;
if (processor != null)
{
processor.PreprocessMouseWheel(e);
}
}
protected override void OnMouseWheel(System.Windows.Input.MouseWheelEventArgs e)
{
fsurface.Zoom += e.Delta / 4 / 100.0f;
if (fsurface.Zoom < 0.05)
{
fsurface.Zoom = 0.05f;
}
this.InvalidateVisual();
}
private void ScrollViewer_MouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
if (ScrollViewer.VerticalOffset != ScrollViewer.ScrollableHeight || SearchBar.TextBox.Text.Length <= AppData.START_SEARCHING_ADDON_AT_TEXT_LENGTH)
{
return;
}
var CurrentAddonCount = AddonContainer.Children.Count;
UIManager.CreateAddonList(CurrentAddonCount);
}
void WinFormsControl_MouseWheel(object sender, swf.MouseEventArgs e)
{
var args = new swi.MouseWheelEventArgs(swi.InputManager.Current.PrimaryMouseDevice, Environment.TickCount, e.Delta)
{
RoutedEvent = swi.Mouse.MouseWheelEvent,
Source = Control
};
Control.RaiseEvent(args);
}
private void Owner_MouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
if (e.Delta > 0)
{
++Vertices;
}
else
{
--Vertices;
}
}