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added class FlatSystemProperties to define/document own system properties used in FlatLaf

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Karl Tauber
2020-06-27 17:57:59 +02:00
parent 7e8aaffb92
commit 8b4786ad18
7 changed files with 81 additions and 12 deletions
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66
flatlaf-core/src/main/java/com/formdev/flatlaf/FlatSystemProperties.java Normal file
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@@ -0,0 +1,66 @@
/*
* Copyright 2020 FormDev Software GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.formdev.flatlaf;
/**
* Defines/documents own system properties used in FlatLaf.
*
* @author Karl Tauber
*/
public interface FlatSystemProperties
{
/**
* Specifies a custom scale factor used to scale the UI.
* <p>
* If Java runtime scales (Java 9 or later), this scale factor is applied on top
* of the Java system scale factor. Java 8 does not scale and this scale factor
* replaces the user scale factor that FlatLaf computes based on the font.
* To replace the Java 9+ system scale factor, use system property "sun.java2d.uiScale",
* which has the same syntax as this one.
* <p>
* <strong>Allowed Values</strong> e.g. {@code 1.5}, {@code 1.5x}, {@code 150%} or {@code 144dpi} (96dpi is 100%)<br>
*/
String UI_SCALE = "flatlaf.uiScale";
/**
* Specifies whether Ubuntu font should be used on Ubuntu Linux.
* By default, if not running in a JetBrains Runtime, the Liberation Sans font
* is used because there are rendering issues (in Java) with Ubuntu fonts.
* <p>
* <strong>Allowed Values</strong> {@code false} and {@code true}<br>
* <strong>Default</strong> {@code false}
*/
String USE_UBUNTU_FONT = "flatlaf.useUbuntuFont";
/**
* Specifies whether vertical text position is corrected when UI is scaled on HiDPI screens.
* <p>
* <strong>Allowed Values</strong> {@code false} and {@code true}<br>
* <strong>Default</strong> {@code true}
*/
String USE_TEXT_Y_CORRECTION = "flatlaf.useTextYCorrection";
/**
* Checks whether a system property is set and returns {@code true} if its value
* is {@code "true"} (case-insensitive), otherwise it returns {@code false}.
* If the system property is not set, {@code defaultValue} is returned.
*/
static boolean getBoolean( String key, boolean defaultValue ) {
String value = System.getProperty( key );
return (value != null) ? Boolean.parseBoolean( value ) : defaultValue;
}
}

2
flatlaf-core/src/main/java/com/formdev/flatlaf/LinuxFontPolicy.java
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@@ -78,7 +78,7 @@ class LinuxFontPolicy
// --> use Liberation Sans font
if( family.startsWith( "Ubuntu" ) &&
!SystemInfo.IS_JETBRAINS_JVM &&
!Boolean.parseBoolean( System.getProperty( "flatlaf.useUbuntuFont" ) ) )
!FlatSystemProperties.getBoolean( FlatSystemProperties.USE_UBUNTU_FONT, false ) )
family = "Liberation Sans";
// scale font size

3
flatlaf-core/src/main/java/com/formdev/flatlaf/util/HiDPIUtils.java
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@@ -23,6 +23,7 @@ import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;
import java.text.AttributedCharacterIterator;
import javax.swing.JComponent;
import com.formdev.flatlaf.FlatSystemProperties;
/**
* @author Karl Tauber
@@ -104,7 +105,7 @@ public class HiDPIUtils
private static boolean useTextYCorrection() {
if( useTextYCorrection == null )
useTextYCorrection = Boolean.valueOf( System.getProperty( "flatlaf.useTextYCorrection", "true" ) );
useTextYCorrection = FlatSystemProperties.getBoolean( FlatSystemProperties.USE_TEXT_Y_CORRECTION, true );
return useTextYCorrection;
}

6
flatlaf-core/src/main/java/com/formdev/flatlaf/util/UIScale.java
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@@ -32,6 +32,7 @@ import javax.swing.plaf.DimensionUIResource;
import javax.swing.plaf.FontUIResource;
import javax.swing.plaf.InsetsUIResource;
import javax.swing.plaf.UIResource;
import com.formdev.flatlaf.FlatSystemProperties;
/**
* Two scaling modes are supported for HiDPI displays:
@@ -195,8 +196,7 @@ public class UIScale
private static boolean isUserScalingEnabled() {
// same as in IntelliJ IDEA
String hidpi = System.getProperty( "hidpi" );
return (hidpi != null) ? Boolean.parseBoolean( hidpi ) : true;
return FlatSystemProperties.getBoolean( "hidpi", true );
}
/**
@@ -204,7 +204,7 @@ public class UIScale
* to the given font.
*/
public static FontUIResource applyCustomScaleFactor( FontUIResource font ) {
String uiScale = System.getProperty( "flatlaf.uiScale" );
String uiScale = System.getProperty( FlatSystemProperties.UI_SCALE );
float scaleFactor = parseScaleFactor( uiScale );
if( scaleFactor <= 0 )
return font;