void WpfHexView_LayoutChanged(object sender, HexViewLayoutChangedEventArgs e) {
if (Width != wpfHexView.VisualElement.ActualWidth || Height != wpfHexView.VisualElement.ActualHeight) {
Width = wpfHexView.VisualElement.ActualWidth;
Height = wpfHexView.VisualElement.ActualHeight;
if (layerKind == HexLayerKind.Normal) {
// Needed when HW acceleration isn't enabled (virtual machine or remote desktop).
// https://msdn.microsoft.com/en-us/library/system.windows.media.visual.visualscrollableareaclip(VS.100).aspx
// It's ignored if HW acceleration is enabled.
// This will reduce the number of bytes sent over the network and should speed up the display
// if it's a slow connection.
VisualScrollableAreaClip = new Rect(0, 0, Width, Height);
}
}
if (layerKind == HexLayerKind.Normal) {
foreach (var layer in adornmentLayers)
layer.OnLayoutChanged(e);
}
}
internal void OnLayoutChanged(HexViewLayoutChangedEventArgs e) {
for (int i = adornmentLayerElements.Count - 1; i >= 0; i--) {
var elem = adornmentLayerElements[i];
// All adornments that exist in spans that have been removed or in reformatted lines are always removed.
if (elem.VisualSpan != null &&
(!HexView.HexViewLines.IntersectsBufferSpan(elem.VisualSpan.Value) || GetLine(e.NewOrReformattedLines, GetOverlapsWithSpan(elem.VisualSpan.Value)) != null)) {
adornmentLayerElements.RemoveAt(i);
canvas.Children.RemoveAt(i);
elem.RemovedCallback?.Invoke(elem.Tag, elem.Adornment);
continue;
}
switch (elem.Behavior) {
case VSTE.AdornmentPositioningBehavior.OwnerControlled:
break;
case VSTE.AdornmentPositioningBehavior.ViewportRelative:
Canvas.SetTop(elem.Adornment, ToDefault(Canvas.GetTop(elem.Adornment), 0) + e.NewViewState.ViewportTop - e.OldViewState.ViewportTop);
Canvas.SetLeft(elem.Adornment, ToDefault(Canvas.GetLeft(elem.Adornment), 0) + e.NewViewState.ViewportLeft - e.OldViewState.ViewportLeft);
break;
case VSTE.AdornmentPositioningBehavior.TextRelative:
Debug.Assert(elem.VisualSpan != null);
var translatedLine = GetLine(e.TranslatedLines, GetOverlapsWithSpan(elem.VisualSpan.Value));
if (translatedLine != null) {
// Only y is updated, x is owner controlled
Canvas.SetTop(elem.Adornment, ToDefault(Canvas.GetTop(elem.Adornment), 0) + translatedLine.DeltaY);
}
break;
default:
throw new InvalidOperationException();
}
}
}
void UpdateLineElementPositions(HexViewLayoutChangedEventArgs e) {
var d = e.NewViewState.ViewportTop - e.OldViewState.ViewportTop;
if (Math.Abs(d) <= 0.001)
return;
foreach (var lineElement in lineElements)
Canvas.SetTop(lineElement, Canvas.GetTop(lineElement) + d);
}
void WpfHexView_LayoutChanged(object sender, HexViewLayoutChangedEventArgs e) {
bool recreate = false;
if (latestBufferLines != wpfHexView.BufferLines)
recreate = true;
else if (e.OldViewState.ViewportHeight != e.NewViewState.ViewportHeight)
recreate = true;
if (recreate)
RecreateColumnLines();
else
UpdateLineElementPositions(e);
}
void HexView_LayoutChanged(object sender, HexViewLayoutChangedEventArgs e) => session.Dismiss();
void HexView_LayoutChanged(object sender, HexViewLayoutChangedEventArgs e) {
if (e.OldViewState.ViewportHeight != e.NewViewState.ViewportHeight)
UpdateCachedState();
}
internal void OnLayoutChanged(HexViewLayoutChangedEventArgs e) => UpdateCaretProperties();
void WpfHexView_LayoutChanged(object sender, HexViewLayoutChangedEventArgs e) {
Debug.Assert(IsSearchControlVisible);
if (!IsSearchControlVisible)
return;
if (e.OldViewState.ViewportWidth != e.NewViewState.ViewportWidth)
RepositionControl(true);
else if (e.OldViewState.ViewportHeight != e.NewViewState.ViewportHeight)
RepositionControl(true);
if (e.OldVersion != e.NewVersion)
CancelIncrementalSearchAndUpdateMarkers();
}
void HexView_LayoutChanged(object sender, HexViewLayoutChangedEventArgs e) {
if (e.OldViewState.ViewportTop != e.NewViewState.ViewportTop)
Canvas.SetTop(iconCanvas, -wpfHexViewHost.HexView.ViewportTop);
OnNewLayout(e.NewOrReformattedLines, e.TranslatedLines);
}
void WpfHexView_LayoutChanged(object sender, HexViewLayoutChangedEventArgs e) {
if (e.OldViewState.ViewportWidth != e.NewViewState.ViewportWidth)
UpdateImagePosition();
else if (e.OldViewState.ViewportHeight != e.NewViewState.ViewportHeight)
UpdateImagePosition();
}
void HexView_LayoutChanged(object sender, HexViewLayoutChangedEventArgs e) {
theScrollBar.LargeChange = wpfHexViewHost.HexView.ViewportWidth;
theScrollBar.ViewportSize = wpfHexViewHost.HexView.ViewportWidth;
UpdateMaximum();
theScrollBar.Value = wpfHexViewHost.HexView.ViewportLeft;
}
void TextView_LayoutChanged(object sender, HexViewLayoutChangedEventArgs e) {
if (e.NewOrReformattedLines.Count > 0 || e.TranslatedLines.Count > 0 || e.VerticalTranslation)
SetNewSelection();
}
void WpfHexView_LayoutChanged(object sender, HexViewLayoutChangedEventArgs e) => PositionLineElement();
void RaiseLayoutChanged(double effectiveViewportWidth, double effectiveViewportHeight, HexViewLine[] newOrReformattedLines, HexViewLine[] translatedLines) {
if (IsClosed)
return;
Debug.Assert(!raisingLayoutChanged);
raisingLayoutChanged = true;
var newViewState = new HexViewState(this, effectiveViewportWidth, effectiveViewportHeight);
var layoutChangedEventArgs = new HexViewLayoutChangedEventArgs(oldViewState, newViewState, newOrReformattedLines, translatedLines);
LayoutChanged?.Invoke(this, layoutChangedEventArgs);
oldViewState = newViewState;
foreach (var p in visiblePhysicalLines) {
foreach (var l in p.Lines) {
l.SetChange(VSTF.TextViewLineChange.None);
l.SetDeltaY(0);
}
}
Debug.Assert(raisingLayoutChanged);
raisingLayoutChanged = false;
mouseHoverHelper.OnLayoutChanged();
if (ShouldQueueSpaceReservationStackRefresh(layoutChangedEventArgs))
QueueSpaceReservationStackRefresh();
}
void UpdateRectanglesPositions(HexViewLayoutChangedEventArgs e) {
var d = e.NewViewState.ViewportTop - e.OldViewState.ViewportTop;
if (Math.Abs(d) <= 0.001)
return;
foreach (var rectElem in rectangleElements)
Canvas.SetTop(rectElem, Canvas.GetTop(rectElem) + d);
}
bool ShouldQueueSpaceReservationStackRefresh(HexViewLayoutChangedEventArgs e) {
// These checks are necessary or the completion listbox will flicker. Try pressing
// eg. F followed by backspace quickly and you'll be able to see the code in the
// background (because the completion listbox gets hidden and then shown).
if (e.OldViewState.ViewportLeft != e.NewViewState.ViewportLeft)
return true;
if (e.OldViewState.ViewportTop != e.NewViewState.ViewportTop)
return true;
if (e.OldViewState.ViewportWidth != e.NewViewState.ViewportWidth)
return true;
if (e.OldViewState.ViewportHeight != e.NewViewState.ViewportHeight)
return true;
return false;
}
void WpfHexView_LayoutChanged(object sender, HexViewLayoutChangedEventArgs e) => UpdateLines(e.NewOrReformattedLines);
