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IDEA-178054: paint structure line centered

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This commit is contained in:
Sergey Malenkov
2019-04-02 21:20:24 +03:00
parent 9627382803
commit 049bd33e3e
1 changed files with 22 additions and 9 deletions
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platform/platform-impl/src/com/intellij/ui/tree/ui/ClassicPainter.java
+22 -9
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@@ -1,11 +1,15 @@
// Copyright 2000-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
package com.intellij.ui.tree.ui;
import com.intellij.ui.paint.LinePainter2D;
import com.intellij.ui.paint.PaintUtil;
import com.intellij.util.ui.JBUI;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import javax.swing.UIManager;
final class ClassicPainter implements Control.Painter {
@@ -28,7 +32,8 @@ final class ClassicPainter implements Control.Painter {
if (depth < 0) return -1; // do not paint row
if (depth == 0) return 0;
int controlWidth = control.getWidth();
int left = getLeftIndent(controlWidth / 2);
int min = controlWidth - controlWidth / 2;
int left = getLeftIndent(min);
int right = getRightIndent();
int offset = getLeafIndent(leaf);
if (offset < 0) offset = Math.max(controlWidth, left + right);
@@ -39,8 +44,9 @@ final class ClassicPainter implements Control.Painter {
public int getControlOffset(@NotNull Control control, int depth, boolean leaf) {
if (depth <= 0 || leaf) return -1; // do not paint control
int controlWidth = control.getWidth();
int left = getLeftIndent(controlWidth / 2);
int offset = left - controlWidth / 2;
int min = controlWidth - controlWidth / 2;
int left = getLeftIndent(min);
int offset = left - min;
return depth > 1 ? (depth - 1) * (left + getRightIndent()) + offset : offset;
}
@@ -51,10 +57,10 @@ final class ClassicPainter implements Control.Painter {
boolean paintLines = getPaintLines();
if (!paintLines && leaf) return; // nothing to paint
int controlWidth = control.getWidth();
int left = getLeftIndent(controlWidth / 2);
int right = getRightIndent();
int indent = left + right;
x += left - controlWidth / 2;
int min = controlWidth - controlWidth / 2;
int left = getLeftIndent(min);
int indent = left + getRightIndent();
x += left - min;
int controlX = !leaf && depth > 1 ? (depth - 1) * indent + x : x;
if (paintLines && (depth != 1 || (!leaf && expanded))) {
g.setColor(LINE_COLOR);
@@ -88,7 +94,14 @@ final class ClassicPainter implements Control.Painter {
}
private static void paintLine(@NotNull Graphics g, int x, int y, int width, int height) {
x += width / 2;
g.drawLine(x, y, x, y + height);
if (g instanceof Graphics2D) {
Graphics2D g2d = (Graphics2D)g;
double dx = x + width / 2.0 - PaintUtil.devPixel(g2d);
LinePainter2D.paint(g2d, dx, y, dx, y + height, LinePainter2D.StrokeType.CENTERED, 1, RenderingHints.VALUE_ANTIALIAS_ON);
}
else {
x += width / 2;
g.drawLine(x, y, x, y + height);
}
}
}