telegps: Add preferences dialog
[fw/altos] / altosuilib / AltosUIFrame.java
1 /*
2  * Copyright © 2011 Keith Packard <keithp@keithp.com>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; version 2 of the License.
7  *
8  * This program is distributed in the hope that it will be useful, but
9  * WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11  * General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License along
14  * with this program; if not, write to the Free Software Foundation, Inc.,
15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
16  */
17
18 package org.altusmetrum.altosuilib_2;
19
20 import java.awt.*;
21 import java.awt.event.*;
22 import javax.swing.*;
23 import java.util.*;
24
25 class AltosUIFrameListener extends WindowAdapter {
26         public void windowClosing (WindowEvent e) {
27                 AltosUIPreferences.unregister_ui_listener((AltosUIFrame) e.getWindow());
28         }
29 }
30
31 public class AltosUIFrame extends JFrame implements AltosUIListener, AltosPositionListener {
32
33         public void ui_changed(String look_and_feel) {
34                 SwingUtilities.updateComponentTreeUI(this);
35                 this.pack();
36         }
37
38         static String[] altos_icon_names = {
39                 "/altus-metrum-16.png",
40                 "/altus-metrum-32.png",
41                 "/altus-metrum-48.png",
42                 "/altus-metrum-64.png",
43                 "/altus-metrum-128.png",
44                 "/altus-metrum-256.png"
45         };
46
47         static public String[] icon_names;
48
49         static public void set_icon_names(String[] new_icon_names) { icon_names = new_icon_names; }
50
51         public String[] icon_names() {
52                 if (icon_names == null)
53                         set_icon_names(altos_icon_names);
54                 return icon_names;
55         }
56
57         public void set_icon() {
58                 ArrayList<Image> icons = new ArrayList<Image>();
59                 String[] icon_names = icon_names();
60
61                 for (int i = 0; i < icon_names.length; i++) {
62                         java.net.URL imgURL = AltosUIFrame.class.getResource(icon_names[i]);
63                         if (imgURL != null)
64                                 icons.add(new ImageIcon(imgURL).getImage());
65                 }
66                 setIconImages(icons);
67         }
68
69         private boolean location_by_platform = true;
70
71         public void setLocationByPlatform(boolean lbp) {
72                 location_by_platform = lbp;
73                 super.setLocationByPlatform(lbp);
74         }
75
76         public void setSize() {
77                 /* Smash sizes around so that the window comes up in the right shape */
78                 Insets i = getInsets();
79                 Dimension ps = rootPane.getPreferredSize();
80                 ps.width += i.left + i.right;
81                 ps.height += i.top + i.bottom;
82                 setPreferredSize(ps);
83                 setSize(ps);
84         }
85
86         public void setPosition (int position) {
87                 Insets i = getInsets();
88                 Dimension ps = getSize();
89
90                 /* Stick the window in the desired location on the screen */
91                 setLocationByPlatform(false);
92                 GraphicsDevice gd = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();
93                 GraphicsConfiguration gc = gd.getDefaultConfiguration();
94                 Rectangle r = gc.getBounds();
95
96                 /* compute X position */
97                 int x = 0;
98                 int y = 0;
99                 switch (position) {
100                 case AltosUILib.position_top_left:
101                 case AltosUILib.position_left:
102                 case AltosUILib.position_bottom_left:
103                         x = 0;
104                         break;
105                 case AltosUILib.position_top:
106                 case AltosUILib.position_center:
107                 case AltosUILib.position_bottom:
108                         x = (r.width - ps.width) / 2;
109                         break;
110                 case AltosUILib.position_top_right:
111                 case AltosUILib.position_right:
112                 case AltosUILib.position_bottom_right:
113                         x = r.width - ps.width + i.right;
114                         break;
115                 }
116
117                 /* compute Y position */
118                 switch (position) {
119                 case AltosUILib.position_top_left:
120                 case AltosUILib.position_top:
121                 case AltosUILib.position_top_right:
122                         y = 0;
123                         break;
124                 case AltosUILib.position_left:
125                 case AltosUILib.position_center:
126                 case AltosUILib.position_right:
127                         y = (r.height - ps.height) / 2;
128                         break;
129                 case AltosUILib.position_bottom_left:
130                 case AltosUILib.position_bottom:
131                 case AltosUILib.position_bottom_right:
132                         y = r.height - ps.height + i.bottom;
133                         break;
134                 }
135                 setLocation(x, y);
136         }
137
138         int position;
139
140         public void position_changed(int position) {
141                 this.position = position;
142                 if (!location_by_platform)
143                         setPosition(position);
144         }
145
146         public void setVisible (boolean visible) {
147                 if (visible)
148                         setLocationByPlatform(location_by_platform);
149                 super.setVisible(visible);
150                 if (visible) {
151                         setSize();
152                         if (!location_by_platform)
153                                 setPosition(position);
154                 }
155         }
156
157         void init() {
158                 AltosUIPreferences.register_ui_listener(this);
159                 AltosUIPreferences.register_position_listener(this);
160                 position = AltosUIPreferences.position();
161                 addWindowListener(new AltosUIFrameListener());
162                 set_icon();
163         }
164
165         public AltosUIFrame() {
166                 init();
167         }
168
169         public AltosUIFrame(String name) {
170                 super(name);
171                 init();
172         }
173 }