//this function will be called twiced, from the two linked anchors
// and so will receive two different anchor in parameter
public void OnAfterDeserialize(Anchor anchor)
{
if (anchor.anchorType == AnchorType.Output)
{
fromAnchor = anchor;
}
else
{
toAnchor = anchor;
}
if (fromAnchor != null)
{
fromNode = fromAnchor.nodeRef;
}
if (toAnchor != null)
{
toNode = toAnchor.nodeRef;
}
//update link color:
if (fromAnchor != null)
{
colorSchemeName = fromAnchor.colorSchemeName;
}
}
/// <summary>
/// Determines if any Classification foreground colors have been customized in Fonts and Colors.
/// </summary>
public bool AreForegroundColorsCustomized(ColorSchemeName schemeName, Guid themeId)
{
AssertIsForeground();
// Ensure we are initialized
if (_fontAndColorStorage is null)
{
_fontAndColorStorage = _serviceProvider.GetService <SVsFontAndColorStorage, IVsFontAndColorStorage>();
_fontAndColorUtilities = (IVsFontAndColorUtilities)_fontAndColorStorage !;
}
// Make no changes when in high contast mode or in unknown theme.
if (SystemParameters.HighContrast ||
!_colorSchemes.TryGetValue(schemeName, out var colorScheme) ||
!colorScheme.TryGetValue(themeId, out var colorSchemeTheme))
{
return(false);
}
var coreThemeColors = (themeId == KnownColorThemes.Dark)
? DarkThemeForeground
: BlueLightThemeForeground;
// Open Text Editor category for readonly access and do not load items if they are defaulted.
if (_fontAndColorStorage.OpenCategory(TextEditorMEFItemsColorCategory, (uint)__FCSTORAGEFLAGS.FCSF_READONLY) != VSConstants.S_OK)
{
// We were unable to access color information.
return(false);
}
try
{
foreach (var classification in Classifications)
{
var colorItems = new ColorableItemInfo[1];
if (_fontAndColorStorage.GetItem(classification, colorItems) != VSConstants.S_OK)
{
// Classifications that are still defaulted will not have entries.
continue;
}
var colorItem = colorItems[0];
if (IsClassificationCustomized(coreThemeColors, colorSchemeTheme, colorItem, classification))
{
return(true);
}
}
}
finally
{
_fontAndColorStorage.CloseCategory();
}
return(false);
}
/// <summary>
/// Determines if any Classification foreground colors have been customized in Fonts and Colors.
/// </summary>
public async Task <bool> AreForegroundColorsCustomizedAsync(
ColorSchemeName schemeName, Guid themeId, CancellationToken cancellationToken)
{
// Make no changes when in high contast mode or in unknown theme.
if (SystemParameters.HighContrast ||
!_colorSchemes.TryGetValue(schemeName, out var colorScheme) ||
!colorScheme.TryGetValue(themeId, out var colorSchemeTheme))
{
return(false);
}
// Ensure we are initialized
if (_fontAndColorStorage is null)
{
await TaskScheduler.Default;
_fontAndColorStorage = await _asyncServiceProvider.GetServiceAsync <SVsFontAndColorStorage, IVsFontAndColorStorage>(_threadingContext.JoinableTaskFactory).ConfigureAwait(false);
}
await _threadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);
_fontAndColorUtilities ??= (IVsFontAndColorUtilities)_fontAndColorStorage;
var coreThemeColors = themeId == KnownColorThemes.Dark
? DarkThemeForeground
: BlueLightThemeForeground;
// Open Text Editor category for readonly access and do not load items if they are defaulted.
if (_fontAndColorStorage.OpenCategory(TextEditorMEFItemsColorCategory, (uint)__FCSTORAGEFLAGS.FCSF_READONLY) == VSConstants.S_OK)
{
try
{
foreach (var classification in _classifications)
{
var colorItems = new ColorableItemInfo[1];
if (_fontAndColorStorage.GetItem(classification, colorItems) != VSConstants.S_OK)
{
// Classifications that are still defaulted will not have entries.
continue;
}
var colorItem = colorItems[0];
if (IsClassificationCustomized(coreThemeColors, colorSchemeTheme, colorItem, classification))
{
return(true);
}
}
}
finally
{
_fontAndColorStorage.CloseCategory();
}
}
return(false);
}
public NodeTypeInfoList(int allowedGraphMask, string title, ColorSchemeName colorSchemeName, params object[] nodeTypeInfos)
{
this.allowedGraphMask = allowedGraphMask;
this.title = title;
this.colorSchemeName = colorSchemeName;
if (nodeTypeInfos != null)
{
for (int i = 0; i < nodeTypeInfos.Length - 1; i += 2)
{
typeInfos.Add(new NodeTypeInfo(nodeTypeInfos[i] as string, nodeTypeInfos[i + 1] as Type));
}
}
}
Rect DrawSelectorCase(string name, ColorSchemeName colorSchemeName, bool title = false)
{
if (title)
{
GUI.color = ColorTheme.GetSelectorHeaderColor(colorSchemeName);
GUILayout.Label(name, nodeSelectorTitleStyle);
GUI.color = Color.white;
}
else
{
GUILayout.Label(name, nodeSelectorCaseStyle);
}
return(GUILayoutUtility.GetLastRect());
}
public void ApplyColorScheme(ColorSchemeName schemeName, ImmutableArray <RegistryItem> registryItems)
{
using var registryRoot = VSRegistry.RegistryRoot(_serviceProvider, __VsLocalRegistryType.RegType_Configuration, writable: true);
foreach (var item in registryItems)
{
using var itemKey = registryRoot.CreateSubKey(item.SectionName);
itemKey.SetValue(RegistryItem.ValueName, item.ValueData);
// Flush RegistryKeys out of paranoia
itemKey.Flush();
}
registryRoot.Flush();
SetAppliedColorScheme(schemeName);
// Broadcast that system color settings have changed to force the ColorThemeService to reload colors.
NativeMethods.PostMessage(NativeMethods.HWND_BROADCAST, NativeMethods.WM_SYSCOLORCHANGE, wparam: IntPtr.Zero, lparam: IntPtr.Zero);
}
private static Stream GetColorSchemeXmlStream(ColorSchemeName schemeName)
{
var assembly = Assembly.GetExecutingAssembly();
return(assembly.GetManifestResourceStream($"Microsoft.VisualStudio.LanguageServices.ColorSchemes.{schemeName}.xml"));
}
private static ColorScheme GetColorScheme(ColorSchemeName schemeName)
{
using var colorSchemeStream = GetColorSchemeXmlStream(schemeName);
return(ColorSchemeReader.ReadColorScheme(colorSchemeStream));
}
void DrawSelectedBezier(Vector3 startPos, Vector3 endPos, Vector3 startTan, Vector3 endTan, ColorSchemeName colorSchemeName, int width, LinkHighlightMode highlight)
{
switch (highlight)
{
case LinkHighlightMode.Selected:
Handles.DrawBezier(startPos, endPos, startTan, endTan, ColorTheme.selectedColor, null, width + 3);
break;
case LinkHighlightMode.Delete:
case LinkHighlightMode.DeleteAndReset:
Handles.DrawBezier(startPos, endPos, startTan, endTan, ColorTheme.deletedColor, null, width + 2);
break;
default:
break;
}
Color c = ColorTheme.GetLinkColor(colorSchemeName);
Handles.DrawBezier(startPos, endPos, startTan, endTan, c, null, width);
}
public static Color GetSelectorCellColor(ColorSchemeName csn)
{
return(colorSchemes[csn].selectorCellColor);
}
public static Color GetNodeColor(ColorSchemeName csn)
{
return(colorSchemes[csn].nodeColor);
}
public static Color GetAnchorColor(ColorSchemeName csn)
{
return(colorSchemes[csn].anchorColor);
}
public static Color GetLinkColor(ColorSchemeName csn)
{
return(colorSchemes[csn].linkColor);
}
