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Nico committed 2021-03-07 15:22:55 +01:00
1 parent d1710ea6a5
commit fb4da77359
211 files changed
+45363 -45571
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src/org/fife/ui/autocomplete/Util.java
+59 -67
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@@ -28,31 +28,31 @@ import org.fife.ui.rsyntaxtextarea.PopupWindowDecorator;
* @version 1.0
*/
public class Util {
/**
* If a system property is defined with this name and set, ignoring case,
* to <code>true</code>, this library will not attempt to use Substance
* renderers. Otherwise, if a Substance Look and Feel is installed, we
* will attempt to use Substance cell renderers in all of our dropdowns.
* If a system property is defined with this name and set, ignoring case, to
* <code>true</code>, this library will not attempt to use Substance renderers.
* Otherwise, if a Substance Look and Feel is installed, we will attempt to use
* Substance cell renderers in all of our dropdowns.
* <p>
*
* Note that we do not have a build dependency on Substance, so all access
* to Substance stuff is done via reflection. We will fall back onto
* default renderers if something goes horribly wrong.
* Note that we do not have a build dependency on Substance, so all access to
* Substance stuff is done via reflection. We will fall back onto default
* renderers if something goes horribly wrong.
*/
public static final String PROPERTY_DONT_USE_SUBSTANCE_RENDERERS = "org.fife.ui.autocomplete.DontUseSubstanceRenderers";
/**
* If this system property is <code>true</code>, then even the "main" two
* auto-complete windows will allow window decorations via
* {@link PopupWindowDecorator}. If this property is undefined or
* <code>false</code>, they won't honor such decorations. This is due to
* certain performance issues with translucent windows (used for drop
* shadows), even as of Java 7u2.
* <code>false</code>, they won't honor such decorations. This is due to certain
* performance issues with translucent windows (used for drop shadows), even as
* of Java 7u2.
*/
public static final String PROPERTY_ALLOW_DECORATED_AUTOCOMPLETE_WINDOWS = "org.fife.ui.autocomplete.allowDecoratedAutoCompleteWindows";
/**
* Used for the color of hyperlinks when a LookAndFeel uses light text
* against a dark background.
* Used for the color of hyperlinks when a LookAndFeel uses light text against a
* dark background.
*/
private static final Color LIGHT_HYPERLINK_FG = new Color(0xd8ffff);
private static final Pattern TAG_PATTERN = Pattern.compile("<[^>]*>");
@@ -60,15 +60,14 @@ public class Util {
private static boolean desktopCreationAttempted;
private static Object desktop;
private static final Object LOCK_DESKTOP_CREATION = new Object();
/**
* Attempts to open a web browser to the specified URI.
*
* @param uri
* The URI to open. If this is <code>null</code>, nothing
* happens and this method returns <code>false</code>.
* @return Whether the operation was successful. This will be
* <code>false</code> on JRE's older than 1.6.
* @param uri The URI to open. If this is <code>null</code>, nothing happens and
* this method returns <code>false</code>.
* @return Whether the operation was successful. This will be <code>false</code>
* on JRE's older than 1.6.
*/
public static boolean browse(URI uri) {
boolean success = false;
@@ -88,11 +87,11 @@ public class Util {
}
return success;
}
/**
* Returns the singleton <code>java.awt.Desktop</code> instance, or
* <code>null</code> if it is unsupported on this platform (or the JRE
* is older than 1.6).
* <code>null</code> if it is unsupported on this platform (or the JRE is older
* than 1.6).
*
* @return The desktop, as an {@link Object}.
*/
@@ -117,14 +116,13 @@ public class Util {
}
return desktop;
}
/**
* Returns a hex string for the specified color, suitable for HTML.
*
* @param c
* The color.
* @return The string representation, in the form "<code>#rrggbb</code>",
* or <code>null</code> if <code>c</code> is <code>null</code>.
* @param c The color.
* @return The string representation, in the form "<code>#rrggbb</code>", or
* <code>null</code> if <code>c</code> is <code>null</code>.
*/
public static String getHexString(Color c) {
if (c == null) {
@@ -150,12 +148,12 @@ public class Util {
sb.append(Integer.toHexString(b));
return sb.toString();
}
/**
* Returns the color to use for hyperlink-style components. This method
* will return <code>Color.blue</code> unless it appears that the current
* LookAndFeel uses light text on a dark background, in which case a
* brighter alternative is returned.
* Returns the color to use for hyperlink-style components. This method will
* return <code>Color.blue</code> unless it appears that the current LookAndFeel
* uses light text on a dark background, in which case a brighter alternative is
* returned.
*
* @return The color to use for hyperlinks.
*/
@@ -168,16 +166,14 @@ public class Util {
}
return isLightForeground(fg) ? LIGHT_HYPERLINK_FG : Color.blue;
}
/**
* Returns the screen coordinates for the monitor that contains the
* specified point. This is useful for setups with multiple monitors,
* to ensure that popup windows are positioned properly.
* Returns the screen coordinates for the monitor that contains the specified
* point. This is useful for setups with multiple monitors, to ensure that popup
* windows are positioned properly.
*
* @param x
* The x-coordinate, in screen coordinates.
* @param y
* The y-coordinate, in screen coordinates.
* @param x The x-coordinate, in screen coordinates.
* @param y The y-coordinate, in screen coordinates.
* @return The bounds of the monitor that contains the specified point.
*/
public static Rectangle getScreenBoundsForPoint(int x, int y) {
@@ -193,12 +189,12 @@ public class Util {
// If point is outside all monitors, default to default monitor (?)
return env.getMaximumWindowBounds();
}
/**
* Give apps a chance to decorate us with drop shadows, etc. Since very
* scrolly things such as lists (of e.g. completions) are *very* slow when
* in per-pixel translucent windows, even as of Java 7u2, we force the user
* to specify an extra option for the two "main" auto-complete windows.
* Give apps a chance to decorate us with drop shadows, etc. Since very scrolly
* things such as lists (of e.g. completions) are *very* slow when in per-pixel
* translucent windows, even as of Java 7u2, we force the user to specify an
* extra option for the two "main" auto-complete windows.
*
* @return Whether to allow decorating the main auto-complete windows.
* @see #PROPERTY_ALLOW_DECORATED_AUTOCOMPLETE_WINDOWS
@@ -210,40 +206,37 @@ public class Util {
return false;
}
}
/**
* Returns whether we should attempt to use Substance cell renderers and
* styles for things such as completion choices, if a Substance Look and
* Feel is installed. If this is <code>false</code>, we'll use our
* standard rendering for completions, even when Substance is being used.
* Returns whether we should attempt to use Substance cell renderers and styles
* for things such as completion choices, if a Substance Look and Feel is
* installed. If this is <code>false</code>, we'll use our standard rendering
* for completions, even when Substance is being used.
*
* @return Whether to use Substance renderers if Substance is installed.
*/
public static boolean getUseSubstanceRenderers() {
return useSubstanceRenderers;
}
/**
* Returns whether the specified color is "light" to use as a foreground.
* Colors that return <code>true</code> indicate that the current Look and
* Feel probably uses light text colors on a dark background.
* Returns whether the specified color is "light" to use as a foreground. Colors
* that return <code>true</code> indicate that the current Look and Feel
* probably uses light text colors on a dark background.
*
* @param fg
* The foreground color.
* @param fg The foreground color.
* @return Whether it is a "light" foreground color.
*/
public static final boolean isLightForeground(Color fg) {
return fg.getRed() > 0xa0 && fg.getGreen() > 0xa0 && fg.getBlue() > 0xa0;
}
/**
* Returns whether a string starts with a specified prefix, ignoring case.
* This method does not support characters outside of the BMP.
* Returns whether a string starts with a specified prefix, ignoring case. This
* method does not support characters outside of the BMP.
*
* @param str
* The string to check. This cannot be {@code null}.
* @param prefix
* The prefix to check for. This cannot be {@code null}.
* @param str The string to check. This cannot be {@code null}.
* @param prefix The prefix to check for. This cannot be {@code null}.
* @return Whether {@code str} starts with {@code prefix}, ignoring case.
*/
public static boolean startsWithIgnoreCase(String str, String prefix) {
@@ -253,13 +246,12 @@ public class Util {
}
return false;
}
/**
* Strips any HTML from a string. The string must start with
* "<code>&lt;html&gt;</code>" for markup tags to be stripped.
*
* @param text
* The string.
* @param text The string.
* @return The string, with any HTML stripped.
*/
public static String stripHtml(String text) {
@@ -269,7 +261,7 @@ public class Util {
// TODO: Micro-optimize me, might be called in renderers and loops
return TAG_PATTERN.matcher(text).replaceAll("");
}
static {
boolean use = true;
try {