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src/222/main/kotlin/com/intellij/temporary/inlay/presentation/PresentationUtil.kt
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package com.intellij.temporary.inlay.presentation | ||
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import com.intellij.codeInsight.codeVision.ui.renderers.painters.CodeVisionThemeInfoProvider | ||
import com.intellij.codeWithMe.ClientId | ||
import com.intellij.ide.ui.AntialiasingType | ||
import com.intellij.openapi.application.ApplicationInfo | ||
import com.intellij.openapi.application.ApplicationManager | ||
import com.intellij.openapi.editor.DefaultLanguageHighlighterColors | ||
import com.intellij.openapi.editor.Editor | ||
import com.intellij.openapi.editor.colors.EditorColorsScheme | ||
import com.intellij.openapi.editor.colors.EditorFontType | ||
import com.intellij.openapi.editor.impl.FontInfo | ||
import com.intellij.openapi.editor.markup.TextAttributes | ||
import com.intellij.openapi.util.Key | ||
import com.intellij.openapi.util.text.StringUtil | ||
import com.intellij.ui.JBColor | ||
import com.intellij.util.ui.UIUtil | ||
import java.awt.Color | ||
import java.awt.Font | ||
import java.awt.FontMetrics | ||
import java.awt.font.FontRenderContext | ||
import java.lang.reflect.InvocationTargetException | ||
import java.lang.reflect.Method | ||
import java.util.stream.Collectors | ||
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object PresentationUtil { | ||
private val KEY_CACHED_FONTMETRICS = Key.create<Map<Font, FontMetrics>>("autodev.editorFontMetrics") | ||
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fun getTextAttributes(editor: Editor): TextAttributes { | ||
val scheme = editor.colorsScheme | ||
val themeAttributes = scheme.getAttributes(DefaultLanguageHighlighterColors.INLAY_TEXT_WITHOUT_BACKGROUND) | ||
if (themeAttributes != null && themeAttributes.foregroundColor != null) { | ||
return themeAttributes | ||
} | ||
val customAttributes = themeAttributes?.clone() ?: TextAttributes() | ||
if (customAttributes.foregroundColor == null) { | ||
customAttributes.foregroundColor = JBColor.GRAY as Color | ||
} | ||
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return customAttributes | ||
} | ||
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fun fontMetrics(editor: Editor, font: Font): FontMetrics { | ||
val editorContext = FontInfo.getFontRenderContext(editor.contentComponent) | ||
val context = FontRenderContext( | ||
editorContext.transform, | ||
AntialiasingType.getKeyForCurrentScope(false), | ||
editorContext.fractionalMetricsHint, | ||
) | ||
val cachedMap = KEY_CACHED_FONTMETRICS[editor, emptyMap()] | ||
var fontMetrics = cachedMap[font] | ||
if (fontMetrics == null || !context.equals(fontMetrics.fontRenderContext)) { | ||
fontMetrics = FontInfo.getFontMetrics(font, context) | ||
KEY_CACHED_FONTMETRICS.set(editor, cachedMap + mapOf(font to fontMetrics)) | ||
} | ||
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return fontMetrics | ||
} | ||
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fun replaceLeadingTabs(lines: List<String?>, tabWidth: Int): List<String> { | ||
return lines.stream().map { line: String? -> | ||
val tabCount = StringUtil.countChars(line!!, '\t', 0, true) | ||
if (tabCount > 0) { | ||
val tabSpaces = StringUtil.repeatSymbol(' ', tabCount * tabWidth) | ||
return@map tabSpaces + tabSpaces | ||
} | ||
line | ||
}.collect(Collectors.toList()) as List<String> | ||
} | ||
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fun getThemeInfoProvider(): CodeVisionThemeInfoProvider { | ||
val serviceClass = CodeVisionThemeInfoProvider::class.java | ||
val service = ApplicationManager.getApplication().getService(serviceClass) | ||
?: throw RuntimeException( | ||
"Cannot find service ${serviceClass.name} (classloader=${serviceClass.classLoader}, " + | ||
"client=${ClientId.currentOrNull})" | ||
) | ||
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return service | ||
} | ||
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private val getEditorFontSize2DMethod: Method? | ||
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init { | ||
var method: Method? = null | ||
if (ApplicationInfo.getInstance().build.baselineVersion >= 221) { | ||
try { | ||
method = EditorColorsScheme::class.java.getMethod("getEditorFontSize2D", *arrayOfNulls(0)) | ||
} catch (_: NoSuchMethodException) { | ||
} | ||
} | ||
getEditorFontSize2DMethod = method | ||
} | ||
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fun getFont(editor: Editor, text: String): Font { | ||
val font = editor.colorsScheme.getFont(EditorFontType.PLAIN).deriveFont(2) | ||
val fallbackFont = UIUtil.getFontWithFallbackIfNeeded(font, text) | ||
return fallbackFont.deriveFont(fontSize(editor)) | ||
} | ||
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fun fontSize(editor: Editor): Float { | ||
val scheme = editor.colorsScheme | ||
if (getEditorFontSize2DMethod != null) { | ||
try { | ||
return getEditorFontSize2DMethod.invoke(scheme, *arrayOfNulls(0)) as Float | ||
} catch (_: IllegalAccessException) { | ||
} catch (_: InvocationTargetException) { | ||
} | ||
} | ||
return scheme.editorFontSize.toFloat() | ||
} | ||
} |