[2512] | 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.josm.tools;
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| 3 |
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| 4 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 5 |
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| 6 | import java.awt.Component;
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| 7 | import java.awt.Dimension;
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[7463] | 8 | import java.awt.GraphicsConfiguration;
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[4571] | 9 | import java.awt.GraphicsDevice;
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| 10 | import java.awt.GraphicsEnvironment;
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[7463] | 11 | import java.awt.Insets;
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[2512] | 12 | import java.awt.Point;
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[4571] | 13 | import java.awt.Rectangle;
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[2512] | 14 | import java.awt.Window;
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| 15 | import java.util.regex.Matcher;
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| 16 | import java.util.regex.Pattern;
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| 17 |
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[7463] | 18 | import javax.swing.JComponent;
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| 19 |
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[2512] | 20 | import org.openstreetmap.josm.Main;
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[9576] | 21 | import org.openstreetmap.josm.gui.util.GuiHelper;
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[2512] | 22 |
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| 23 | /**
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| 24 | * This is a helper class for persisting the geometry of a JOSM window to the preference store
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| 25 | * and for restoring it from the preference store.
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| 26 | *
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| 27 | */
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| 28 | public class WindowGeometry {
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| 29 |
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| 30 | /**
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| 31 | * Replies a window geometry object for a window with a specific size which is
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[5015] | 32 | * centered on screen, where main window is
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[2512] | 33 | *
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| 34 | * @param extent the size
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| 35 | * @return the geometry object
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| 36 | */
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[6889] | 37 | public static WindowGeometry centerOnScreen(Dimension extent) {
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[5015] | 38 | return centerOnScreen(extent, "gui.geometry");
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| 39 | }
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| 40 |
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| 41 | /**
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| 42 | * Replies a window geometry object for a window with a specific size which is
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| 43 | * centered on screen where the corresponding window is.
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| 44 | *
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| 45 | * @param extent the size
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| 46 | * @param preferenceKey the key to get window size and position from, null value format
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| 47 | * for whole virtual screen
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| 48 | * @return the geometry object
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| 49 | */
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[6889] | 50 | public static WindowGeometry centerOnScreen(Dimension extent, String preferenceKey) {
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[5015] | 51 | Rectangle size = preferenceKey != null ? getScreenInfo(preferenceKey)
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| 52 | : getFullScreenInfo();
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[2512] | 53 | Point topLeft = new Point(
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[5015] | 54 | size.x + Math.max(0, (size.width - extent.width) /2),
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| 55 | size.y + Math.max(0, (size.height - extent.height) /2)
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[2512] | 56 | );
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| 57 | return new WindowGeometry(topLeft, extent);
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| 58 | }
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| 59 |
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| 60 | /**
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[2688] | 61 | * Replies a window geometry object for a window with a specific size which is centered
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| 62 | * relative to the parent window of a reference component.
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[2512] | 63 | *
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[2688] | 64 | * @param reference the reference component.
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[2512] | 65 | * @param extent the size
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| 66 | * @return the geometry object
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| 67 | */
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[6889] | 68 | public static WindowGeometry centerInWindow(Component reference, Dimension extent) {
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[8443] | 69 | while (reference != null && !(reference instanceof Window)) {
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[2688] | 70 | reference = reference.getParent();
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| 71 | }
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[2789] | 72 | if (reference == null)
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[8510] | 73 | return new WindowGeometry(new Point(0, 0), extent);
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[9062] | 74 | Window parentWindow = (Window) reference;
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[2512] | 75 | Point topLeft = new Point(
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| 76 | Math.max(0, (parentWindow.getSize().width - extent.width) /2),
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| 77 | Math.max(0, (parentWindow.getSize().height - extent.height) /2)
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| 78 | );
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| 79 | topLeft.x += parentWindow.getLocation().x;
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| 80 | topLeft.y += parentWindow.getLocation().y;
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| 81 | return new WindowGeometry(topLeft, extent);
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| 82 | }
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| 83 |
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| 84 | /**
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| 85 | * Exception thrown by the WindowGeometry class if something goes wrong
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| 86 | */
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[6889] | 87 | public static class WindowGeometryException extends Exception {
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[2512] | 88 | public WindowGeometryException(String message, Throwable cause) {
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| 89 | super(message, cause);
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| 90 | }
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| 91 |
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| 92 | public WindowGeometryException(String message) {
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| 93 | super(message);
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| 94 | }
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| 95 | }
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| 96 |
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| 97 | /** the top left point */
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| 98 | private Point topLeft;
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| 99 | /** the size */
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| 100 | private Dimension extent;
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| 101 |
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| 102 | /**
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[5514] | 103 | * Creates a window geometry from a position and dimension
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[2512] | 104 | *
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| 105 | * @param topLeft the top left point
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| 106 | * @param extent the extent
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| 107 | */
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| 108 | public WindowGeometry(Point topLeft, Dimension extent) {
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| 109 | this.topLeft = topLeft;
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| 110 | this.extent = extent;
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| 111 | }
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| 112 |
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| 113 | /**
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[5514] | 114 | * Creates a window geometry from a rectangle
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[6070] | 115 | *
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[5015] | 116 | * @param rect the position
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| 117 | */
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| 118 | public WindowGeometry(Rectangle rect) {
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| 119 | this.topLeft = rect.getLocation();
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| 120 | this.extent = rect.getSize();
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| 121 | }
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| 122 |
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| 123 | /**
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[2512] | 124 | * Creates a window geometry from the position and the size of a window.
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| 125 | *
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| 126 | * @param window the window
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| 127 | */
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| 128 | public WindowGeometry(Window window) {
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| 129 | this(window.getLocationOnScreen(), window.getSize());
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| 130 | }
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| 131 |
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[5514] | 132 | /**
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| 133 | * Fixes a window geometry to shift to the correct screen.
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| 134 | *
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| 135 | * @param window the window
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| 136 | */
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| 137 | public void fixScreen(Window window) {
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| 138 | Rectangle oldScreen = getScreenInfo(getRectangle());
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| 139 | Rectangle newScreen = getScreenInfo(new Rectangle(window.getLocationOnScreen(), window.getSize()));
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[8510] | 140 | if (oldScreen.x != newScreen.x) {
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[5514] | 141 | this.topLeft.x += newScreen.x - oldScreen.x;
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| 142 | }
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[8510] | 143 | if (oldScreen.y != newScreen.y) {
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[5514] | 144 | this.topLeft.y += newScreen.y - oldScreen.y;
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| 145 | }
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| 146 | }
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| 147 |
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[2512] | 148 | protected int parseField(String preferenceKey, String preferenceValue, String field) throws WindowGeometryException {
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| 149 | String v = "";
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| 150 | try {
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[8510] | 151 | Pattern p = Pattern.compile(field + "=(-?\\d+)", Pattern.CASE_INSENSITIVE);
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[2512] | 152 | Matcher m = p.matcher(preferenceValue);
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| 153 | if (!m.find())
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[8394] | 154 | throw new WindowGeometryException(
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| 155 | tr("Preference with key ''{0}'' does not include ''{1}''. Cannot restore window geometry from preferences.",
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| 156 | preferenceKey, field));
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[2512] | 157 | v = m.group(1);
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| 158 | return Integer.parseInt(v);
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[8510] | 159 | } catch (WindowGeometryException e) {
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[2512] | 160 | throw e;
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[8510] | 161 | } catch (NumberFormatException e) {
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[8394] | 162 | throw new WindowGeometryException(
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[8510] | 163 | tr("Preference with key ''{0}'' does not provide an int value for ''{1}''. Got {2}. " +
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| 164 | "Cannot restore window geometry from preferences.",
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[8394] | 165 | preferenceKey, field, v), e);
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[8510] | 166 | } catch (Exception e) {
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[8394] | 167 | throw new WindowGeometryException(
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[8510] | 168 | tr("Failed to parse field ''{1}'' in preference with key ''{0}''. Exception was: {2}. " +
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| 169 | "Cannot restore window geometry from preferences.",
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[8394] | 170 | preferenceKey, field, e.toString()), e);
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[2512] | 171 | }
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| 172 | }
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| 173 |
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[6890] | 174 | protected final void initFromPreferences(String preferenceKey) throws WindowGeometryException {
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[2384] | 175 | String value = Main.pref.get(preferenceKey);
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[6087] | 176 | if (value == null || value.isEmpty())
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[8394] | 177 | throw new WindowGeometryException(
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| 178 | tr("Preference with key ''{0}'' does not exist. Cannot restore window geometry from preferences.", preferenceKey));
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[2512] | 179 | topLeft = new Point();
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| 180 | extent = new Dimension();
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| 181 | topLeft.x = parseField(preferenceKey, value, "x");
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| 182 | topLeft.y = parseField(preferenceKey, value, "y");
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| 183 | extent.width = parseField(preferenceKey, value, "width");
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| 184 | extent.height = parseField(preferenceKey, value, "height");
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| 185 | }
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| 186 |
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[6890] | 187 | protected final void initFromWindowGeometry(WindowGeometry other) {
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[2512] | 188 | this.topLeft = other.topLeft;
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| 189 | this.extent = other.extent;
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| 190 | }
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| 191 |
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[6889] | 192 | public static WindowGeometry mainWindow(String preferenceKey, String arg, boolean maximize) {
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[5015] | 193 | Rectangle screenDimension = getScreenInfo("gui.geometry");
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[4932] | 194 | if (arg != null) {
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| 195 | final Matcher m = Pattern.compile("(\\d+)x(\\d+)(([+-])(\\d+)([+-])(\\d+))?").matcher(arg);
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| 196 | if (m.matches()) {
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[8365] | 197 | int w = Integer.parseInt(m.group(1));
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| 198 | int h = Integer.parseInt(m.group(2));
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[5015] | 199 | int x = screenDimension.x, y = screenDimension.y;
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[4932] | 200 | if (m.group(3) != null) {
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[8365] | 201 | x = Integer.parseInt(m.group(5));
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| 202 | y = Integer.parseInt(m.group(7));
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[7012] | 203 | if ("-".equals(m.group(4))) {
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[5015] | 204 | x = screenDimension.x + screenDimension.width - x - w;
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[4932] | 205 | }
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[7012] | 206 | if ("-".equals(m.group(6))) {
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[5015] | 207 | y = screenDimension.y + screenDimension.height - y - h;
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[4932] | 208 | }
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| 209 | }
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[8510] | 210 | return new WindowGeometry(new Point(x, y), new Dimension(w, h));
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[4932] | 211 | } else {
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[5142] | 212 | Main.warn(tr("Ignoring malformed geometry: {0}", arg));
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[4932] | 213 | }
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| 214 | }
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| 215 | WindowGeometry def;
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[8510] | 216 | if (maximize) {
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[5015] | 217 | def = new WindowGeometry(screenDimension);
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[5142] | 218 | } else {
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| 219 | Point p = screenDimension.getLocation();
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| 220 | p.x += (screenDimension.width-1000)/2;
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| 221 | p.y += (screenDimension.height-740)/2;
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| 222 | def = new WindowGeometry(p, new Dimension(1000, 740));
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| 223 | }
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[4932] | 224 | return new WindowGeometry(preferenceKey, def);
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| 225 | }
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| 226 |
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[2512] | 227 | /**
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| 228 | * Creates a window geometry from the values kept in the preference store under the
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| 229 | * key <code>preferenceKey</code>
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| 230 | *
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| 231 | * @param preferenceKey the preference key
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[8291] | 232 | * @throws WindowGeometryException if no such key exist or if the preference value has
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[2512] | 233 | * an illegal format
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| 234 | */
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| 235 | public WindowGeometry(String preferenceKey) throws WindowGeometryException {
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| 236 | initFromPreferences(preferenceKey);
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| 237 | }
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| 238 |
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| 239 | /**
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| 240 | * Creates a window geometry from the values kept in the preference store under the
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| 241 | * key <code>preferenceKey</code>. Falls back to the <code>defaultGeometry</code> if
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| 242 | * something goes wrong.
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| 243 | *
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| 244 | * @param preferenceKey the preference key
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| 245 | * @param defaultGeometry the default geometry
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| 246 | *
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| 247 | */
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| 248 | public WindowGeometry(String preferenceKey, WindowGeometry defaultGeometry) {
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| 249 | try {
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| 250 | initFromPreferences(preferenceKey);
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[8510] | 251 | } catch (WindowGeometryException e) {
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[2512] | 252 | initFromWindowGeometry(defaultGeometry);
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| 253 | }
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| 254 | }
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| 255 |
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| 256 | /**
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| 257 | * Remembers a window geometry under a specific preference key
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| 258 | *
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| 259 | * @param preferenceKey the preference key
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| 260 | */
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| 261 | public void remember(String preferenceKey) {
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[6822] | 262 | StringBuilder value = new StringBuilder();
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[8390] | 263 | value.append("x=").append(topLeft.x).append(",y=").append(topLeft.y)
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| 264 | .append(",width=").append(extent.width).append(",height=").append(extent.height);
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[2512] | 265 | Main.pref.put(preferenceKey, value.toString());
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| 266 | }
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| 267 |
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| 268 | /**
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| 269 | * Replies the top left point for the geometry
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| 270 | *
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| 271 | * @return the top left point for the geometry
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| 272 | */
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| 273 | public Point getTopLeft() {
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| 274 | return topLeft;
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| 275 | }
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| 276 |
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| 277 | /**
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[5514] | 278 | * Replies the size specified by the geometry
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[2512] | 279 | *
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[5514] | 280 | * @return the size specified by the geometry
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[2512] | 281 | */
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| 282 | public Dimension getSize() {
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| 283 | return extent;
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| 284 | }
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| 285 |
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[5514] | 286 | /**
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| 287 | * Replies the size and position specified by the geometry
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| 288 | *
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| 289 | * @return the size and position specified by the geometry
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| 290 | */
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[5015] | 291 | private Rectangle getRectangle() {
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| 292 | return new Rectangle(topLeft, extent);
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[2512] | 293 | }
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| 294 |
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| 295 | /**
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[4571] | 296 | * Applies this geometry to a window. Makes sure that the window is not
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| 297 | * placed outside of the coordinate range of all available screens.
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[6070] | 298 | *
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[4571] | 299 | * @param window the window
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| 300 | */
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[4932] | 301 | public void applySafe(Window window) {
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[4571] | 302 | Point p = new Point(topLeft);
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[6522] | 303 | Dimension size = new Dimension(extent);
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[4571] | 304 |
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[6522] | 305 | Rectangle virtualBounds = getVirtualScreenBounds();
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[4571] | 306 |
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[6522] | 307 | // Ensure window fit on screen
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| 308 |
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[4571] | 309 | if (p.x < virtualBounds.x) {
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| 310 | p.x = virtualBounds.x;
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[6522] | 311 | } else if (p.x > virtualBounds.x + virtualBounds.width - size.width) {
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| 312 | p.x = virtualBounds.x + virtualBounds.width - size.width;
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[4571] | 313 | }
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| 314 |
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| 315 | if (p.y < virtualBounds.y) {
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| 316 | p.y = virtualBounds.y;
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[6522] | 317 | } else if (p.y > virtualBounds.y + virtualBounds.height - size.height) {
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| 318 | p.y = virtualBounds.y + virtualBounds.height - size.height;
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[4571] | 319 | }
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| 320 |
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[6522] | 321 | int deltax = (p.x + size.width) - (virtualBounds.x + virtualBounds.width);
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| 322 | if (deltax > 0) {
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| 323 | size.width -= deltax;
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| 324 | }
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| 325 |
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[6530] | 326 | int deltay = (p.y + size.height) - (virtualBounds.y + virtualBounds.height);
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[6522] | 327 | if (deltay > 0) {
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| 328 | size.height -= deltay;
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| 329 | }
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| 330 |
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| 331 | // Ensure window does not hide taskbar
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| 332 |
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| 333 | Rectangle maxbounds = GraphicsEnvironment.getLocalGraphicsEnvironment().getMaximumWindowBounds();
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| 334 |
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[6828] | 335 | if (!isBugInMaximumWindowBounds(maxbounds)) {
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| 336 | deltax = size.width - maxbounds.width;
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| 337 | if (deltax > 0) {
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| 338 | size.width -= deltax;
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| 339 | }
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[6522] | 340 |
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[6828] | 341 | deltay = size.height - maxbounds.height;
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| 342 | if (deltay > 0) {
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| 343 | size.height -= deltay;
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| 344 | }
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[6522] | 345 | }
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[4571] | 346 | window.setLocation(p);
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[6522] | 347 | window.setSize(size);
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[4571] | 348 | }
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[4634] | 349 |
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[4932] | 350 | /**
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[6828] | 351 | * Determines if the bug affecting getMaximumWindowBounds() occured.
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| 352 | *
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| 353 | * @param maxbounds result of getMaximumWindowBounds()
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| 354 | * @return {@code true} if the bug happened, {@code false otherwise}
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| 355 | *
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| 356 | * @see <a href="https://josm.openstreetmap.de/ticket/9699">JOSM-9699</a>
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| 357 | * @see <a href="https://bugs.launchpad.net/ubuntu/+source/openjdk-7/+bug/1171563">Ubuntu-1171563</a>
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| 358 | * @see <a href="http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=1669">IcedTea-1669</a>
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[8924] | 359 | * @see <a href="https://bugs.openjdk.java.net/browse/JDK-8034224">JDK-8034224</a>
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[6828] | 360 | */
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| 361 | protected static boolean isBugInMaximumWindowBounds(Rectangle maxbounds) {
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| 362 | return maxbounds.width <= 0 || maxbounds.height <= 0;
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| 363 | }
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| 364 |
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| 365 | /**
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[6522] | 366 | * Computes the virtual bounds of graphics environment, as an union of all screen bounds.
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| 367 | * @return The virtual bounds of graphics environment, as an union of all screen bounds.
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| 368 | * @since 6522
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| 369 | */
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[6541] | 370 | public static Rectangle getVirtualScreenBounds() {
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[6522] | 371 | Rectangle virtualBounds = new Rectangle();
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| 372 | GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
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| 373 | for (GraphicsDevice gd : ge.getScreenDevices()) {
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| 374 | if (gd.getType() == GraphicsDevice.TYPE_RASTER_SCREEN) {
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| 375 | virtualBounds = virtualBounds.union(gd.getDefaultConfiguration().getBounds());
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| 376 | }
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| 377 | }
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| 378 | return virtualBounds;
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| 379 | }
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| 380 |
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| 381 | /**
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[7463] | 382 | * Computes the maximum dimension for a component to fit in screen displaying {@code component}.
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| 383 | * @param component The component to get current screen info from. Must not be {@code null}
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| 384 | * @return the maximum dimension for a component to fit in current screen
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| 385 | * @throws IllegalArgumentException if {@code component} is null
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| 386 | * @since 7463
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| 387 | */
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| 388 | public static Dimension getMaxDimensionOnScreen(JComponent component) {
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| 389 | CheckParameterUtil.ensureParameterNotNull(component, "component");
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| 390 | // Compute max dimension of current screen
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| 391 | Dimension result = new Dimension();
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| 392 | GraphicsConfiguration gc = component.getGraphicsConfiguration();
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| 393 | if (gc == null && Main.parent != null) {
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| 394 | gc = Main.parent.getGraphicsConfiguration();
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| 395 | }
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| 396 | if (gc != null) {
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| 397 | // Max displayable dimension (max screen dimension - insets)
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| 398 | Rectangle bounds = gc.getBounds();
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| 399 | Insets insets = component.getToolkit().getScreenInsets(gc);
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| 400 | result.width = bounds.width - insets.left - insets.right;
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| 401 | result.height = bounds.height - insets.top - insets.bottom;
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| 402 | }
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| 403 | return result;
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| 404 | }
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| 405 |
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| 406 | /**
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[5015] | 407 | * Find the size and position of the screen for given coordinates. Use first screen,
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[4932] | 408 | * when no coordinates are stored or null is passed.
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[6070] | 409 | *
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[4932] | 410 | * @param preferenceKey the key to get size and position from
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[5514] | 411 | * @return bounds of the screen
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[4932] | 412 | */
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[5015] | 413 | public static Rectangle getScreenInfo(String preferenceKey) {
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| 414 | Rectangle g = new WindowGeometry(preferenceKey,
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| 415 | /* default: something on screen 1 */
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[8510] | 416 | new WindowGeometry(new Point(0, 0), new Dimension(10, 10))).getRectangle();
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[5514] | 417 | return getScreenInfo(g);
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| 418 | }
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| 419 |
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| 420 | /**
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| 421 | * Find the size and position of the screen for given coordinates. Use first screen,
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| 422 | * when no coordinates are stored or null is passed.
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[6070] | 423 | *
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[5514] | 424 | * @param g coordinates to check
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| 425 | * @return bounds of the screen
|
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| 426 | */
|
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| 427 | private static Rectangle getScreenInfo(Rectangle g) {
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[4964] | 428 | GraphicsEnvironment ge = GraphicsEnvironment
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| 429 | .getLocalGraphicsEnvironment();
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| 430 | GraphicsDevice[] gs = ge.getScreenDevices();
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[5015] | 431 | int intersect = 0;
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| 432 | Rectangle bounds = null;
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[6104] | 433 | for (GraphicsDevice gd : gs) {
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[5504] | 434 | if (gd.getType() == GraphicsDevice.TYPE_RASTER_SCREEN) {
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| 435 | Rectangle b = gd.getDefaultConfiguration().getBounds();
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[6104] | 436 | if (b.height > 0 && b.width / b.height >= 3) /* multiscreen with wrong definition */ {
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[5142] | 437 | b.width /= 2;
|
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| 438 | Rectangle is = b.intersection(g);
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[6104] | 439 | int s = is.width * is.height;
|
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| 440 | if (bounds == null || intersect < s) {
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[5142] | 441 | intersect = s;
|
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| 442 | bounds = b;
|
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| 443 | }
|
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| 444 | b = new Rectangle(b);
|
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| 445 | b.x += b.width;
|
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| 446 | is = b.intersection(g);
|
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[6104] | 447 | s = is.width * is.height;
|
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| 448 | if (bounds == null || intersect < s) {
|
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[5142] | 449 | intersect = s;
|
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| 450 | bounds = b;
|
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| 451 | }
|
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[6104] | 452 | } else {
|
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[5142] | 453 | Rectangle is = b.intersection(g);
|
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[6104] | 454 | int s = is.width * is.height;
|
---|
| 455 | if (bounds == null || intersect < s) {
|
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[5142] | 456 | intersect = s;
|
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| 457 | bounds = b;
|
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| 458 | }
|
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| 459 | }
|
---|
[4964] | 460 | }
|
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| 461 | }
|
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[5015] | 462 | return bounds;
|
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[4932] | 463 | }
|
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| 464 |
|
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[5015] | 465 | /**
|
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| 466 | * Find the size of the full virtual screen.
|
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[5514] | 467 | * @return size of the full virtual screen
|
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[5015] | 468 | */
|
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| 469 | public static Rectangle getFullScreenInfo() {
|
---|
[9576] | 470 | return new Rectangle(new Point(0, 0), GuiHelper.getScreenSize());
|
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[5015] | 471 | }
|
---|
| 472 |
|
---|
[6522] | 473 | @Override
|
---|
[4634] | 474 | public String toString() {
|
---|
[8846] | 475 | return "WindowGeometry{topLeft="+topLeft+",extent="+extent+'}';
|
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[4634] | 476 | }
|
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[2512] | 477 | }
|
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