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1
4 package gnu.jemacs.buffer;
5 import gnu.lists.LList;
6
7 public abstract class EFrame
8 {
9 public static EFrame selectedFrame;
10 public EWindow selectedWindow;
11
12 static int counter;
13 protected int id = ++counter;
14 public EWindow firstWindow;
15
16 public static String  defaultName ()
17 {
18 return "Emacs";
19 }
20
21 public EFrame ()
22 {
23 if (selectedFrame == null)
24 selectedFrame = this;
25 }
26
27 public EFrame (EWindow win)
28 {
29 win.frame = this;
30 firstWindow = win;
31 win.nextWindow = win;
32 win.prevWindow = win;
33 EWindow.setSelected(win);
34 }
35
36 public void validate ()
37 {
38 }
39
40 public void delete()
41 {
42 for (;;)
43 {
44 EWindow win = firstWindow;
45 if (win == null)
46 break;
47 win.deleteNoValidate();
48 }
49 if (this == selectedFrame)
50 selectedFrame = null;
51 }
52
53 public abstract boolean isLive();
54
55 public EWindow getFirstWindow()
56 {
57 return firstWindow;
58 }
59
60 public EWindow getLastWindow()
61 {
62 return firstWindow.prevWindow;
63 }
64
65 public static EFrame getSelectedFrame()
66 {
67 return selectedFrame;
68 }
69
70 public EWindow getSelectedWindow()
71 {
72 return selectedWindow;
73 }
74
75 public EWindow otherWindow(int count)
76 {
77 return selectedWindow.getNextWindowInFrame(count);
78 }
79
80 public abstract void setMenu(LList menu);
81
82 public abstract String ask(String prompt);
83
84 public String toString()
85 {
86 StringBuffer sbuf = new StringBuffer (100);
87 sbuf.append("#<frame #");
88 sbuf.append(id);
89 sbuf.append('>');
90 return sbuf.toString();
91 }
92 }
93 |
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