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1
7
8 package com.sun.java.swing.plaf.windows;
9
10 import java.awt.Component  ;
11 import java.awt.Container ;
12 import java.awt.Event ;
13 import java.awt.KeyEventPostProcessor ;
14 import java.awt.Window ;
15
16 import java.awt.event.ActionEvent ;
17 import java.awt.event.KeyEvent ;
18
19 import javax.swing.AbstractAction ;
20 import javax.swing.ActionMap ;
21 import javax.swing.InputMap ;
22 import javax.swing.KeyStroke ;
23 import javax.swing.JComponent ;
24 import javax.swing.JLabel ;
25 import javax.swing.JRootPane ;
26 import javax.swing.SwingUtilities ;
27 import javax.swing.UIManager ;
28 import javax.swing.AbstractButton ;
29 import javax.swing.JFrame ;
30 import javax.swing.JMenu ;
31 import javax.swing.JMenuBar ;
32 import javax.swing.MenuElement ;
33 import javax.swing.MenuSelectionManager ;
34
35 import javax.swing.plaf.ActionMapUIResource ;
36 import javax.swing.plaf.ComponentUI ;
37 import javax.swing.plaf.InputMapUIResource ;
38
39 import javax.swing.plaf.basic.BasicRootPaneUI ;
40 import javax.swing.plaf.basic.ComboPopup ;
41
42
50 public class WindowsRootPaneUI extends BasicRootPaneUI {
51
52 private final static WindowsRootPaneUI windowsRootPaneUI = new WindowsRootPaneUI();
53 static final AltProcessor altProcessor = new AltProcessor();
54
55 public static ComponentUI createUI(JComponent c) {
56 return windowsRootPaneUI;
57 }
58
59 static class AltProcessor implements KeyEventPostProcessor {
60 static boolean altKeyPressed = false;
61 static boolean menuCanceledOnPress = false;
62 static JRootPane root = null;
63 static Window winAncestor = null;
64
65 void altPressed(KeyEvent ev) {
66 MenuSelectionManager msm =
67 MenuSelectionManager.defaultManager();
68 MenuElement [] path = msm.getSelectedPath();
69 if (path.length > 0 && ! (path[0] instanceof ComboPopup )) {
70 msm.clearSelectedPath();
71 menuCanceledOnPress = true;
72 ev.consume();
73 } else if(path.length > 0) { menuCanceledOnPress = false;
75 WindowsLookAndFeel.setMnemonicHidden(false);
76 WindowsUtils.repaintMnemonicsInWindow(winAncestor);
77 ev.consume();
78 } else {
79 menuCanceledOnPress = false;
80 WindowsLookAndFeel.setMnemonicHidden(false);
81 WindowsUtils.repaintMnemonicsInWindow(winAncestor);
82 JMenuBar mbar = root != null ? root.getJMenuBar() : null;
83 if(mbar == null && winAncestor instanceof JFrame ) {
84 mbar = ((JFrame )winAncestor).getJMenuBar();
85 }
86 JMenu menu = mbar != null ? mbar.getMenu(0) : null;
87 if(menu != null) {
88 ev.consume();
89 }
90 }
91 }
92
93 void altReleased(KeyEvent ev) {
94 if (menuCanceledOnPress) {
95 WindowsLookAndFeel.setMnemonicHidden(true);
96 WindowsUtils.repaintMnemonicsInWindow(winAncestor);
97 return;
98 }
99
100 MenuSelectionManager msm =
101 MenuSelectionManager.defaultManager();
102 if (msm.getSelectedPath().length == 0) {
103
105 JMenuBar mbar = root != null ? root.getJMenuBar() : null;
106 if(mbar == null && winAncestor instanceof JFrame ) {
107 mbar = ((JFrame )winAncestor).getJMenuBar();
108 }
109 JMenu menu = mbar != null ? mbar.getMenu(0) : null;
110
111 if (menu != null) {
112 MenuElement [] path = new MenuElement [2];
113 path[0] = mbar;
114 path[1] = menu;
115 msm.setSelectedPath(path);
116 } else if(!WindowsLookAndFeel.isMnemonicHidden()) {
117 WindowsLookAndFeel.setMnemonicHidden(true);
118 WindowsUtils.repaintMnemonicsInWindow(winAncestor);
119 }
120 } else {
121 if((msm.getSelectedPath())[0] instanceof ComboPopup ) {
122 WindowsLookAndFeel.setMnemonicHidden(true);
123 WindowsUtils.repaintMnemonicsInWindow(winAncestor);
124 }
125 }
126
127 }
128
129 public boolean postProcessKeyEvent(KeyEvent ev) {
130 if (ev.getKeyCode() == KeyEvent.VK_ALT) {
131 root = SwingUtilities.getRootPane(ev.getComponent());
132 winAncestor = (root == null ? null :
133 SwingUtilities.getWindowAncestor(root));
134
135 if (ev.getID() == KeyEvent.KEY_PRESSED) {
136 if (!altKeyPressed) {
137 altPressed(ev);
138 }
139 altKeyPressed = true;
140 return true;
141 } else if (ev.getID() == KeyEvent.KEY_RELEASED) {
142 if (altKeyPressed) {
143 altReleased(ev);
144 } else {
145 MenuSelectionManager msm =
146 MenuSelectionManager.defaultManager();
147 MenuElement [] path = msm.getSelectedPath();
148 if (path.length <= 0) {
149 WindowsLookAndFeel.setMnemonicHidden(true);
150 WindowsUtils.repaintMnemonicsInWindow(winAncestor);
151 }
152 }
153 altKeyPressed = false;
154 }
155 root = null;
156 winAncestor = null;
157 } else {
158 altKeyPressed = false;
159 }
160 return false;
161 }
162 }
163 }
164 |
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