comparison src/viewer_swing/java/com/glavsoft/viewer/UiSettings.java @ 52:472a9bcacb21 draft default tip

TightVNC 2.7.1.0
author you@cr.ie.u-ryukyu.ac.jp
date Wed, 07 Aug 2013 19:01:17 +0900
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0:4689cc86d6cb 52:472a9bcacb21
1 // Copyright (C) 2010, 2011, 2012, 2013 GlavSoft LLC.
2 // All rights reserved.
3 //
4 //-------------------------------------------------------------------------
5 // This file is part of the TightVNC software. Please visit our Web site:
6 //
7 // http://www.tightvnc.com/
8 //
9 // This program is free software; you can redistribute it and/or modify
10 // it under the terms of the GNU General Public License as published by
11 // the Free Software Foundation; either version 2 of the License, or
12 // (at your option) any later version.
13 //
14 // This program is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 // GNU General Public License for more details.
18 //
19 // You should have received a copy of the GNU General Public License along
20 // with this program; if not, write to the Free Software Foundation, Inc.,
21 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 //-------------------------------------------------------------------------
23 //
24
25 package com.glavsoft.viewer;
26
27 import com.glavsoft.core.SettingsChangedEvent;
28 import com.glavsoft.rfb.IChangeSettingsListener;
29 import com.glavsoft.viewer.swing.LocalMouseCursorShape;
30
31 import java.text.DecimalFormat;
32 import java.text.NumberFormat;
33 import java.util.LinkedList;
34 import java.util.List;
35
36 /**
37 * @author dime at tightvnc.com
38 */
39 public class UiSettings {
40
41 public static final int MIN_SCALE_PERCENT = 10;
42 public static final int MAX_SCALE_PERCENT = 500;
43 private static final int SCALE_PERCENT_ZOOMING_STEP = 10;
44
45 @SuppressWarnings("PointlessBitwiseExpression")
46 public static final int CHANGED_SCALE_FACTOR = 1 << 0;
47 public static final int CHANGED_MOUSE_CURSOR_SHAPE = 1 << 1;
48 public static final int CHANGED_FULL_SCREEN = 1 << 2;
49
50 private final List<IChangeSettingsListener> listeners = new LinkedList<IChangeSettingsListener>();
51 private int changedSettingsMask = 0;
52
53 private final UiSettingsData uiSettingsData;
54 public boolean showControls = true;
55
56 public UiSettings() {
57 uiSettingsData = new UiSettingsData();
58 changedSettingsMask = 0;
59 }
60
61 public UiSettings(UiSettings uiSettings) {
62 uiSettingsData = new UiSettingsData(
63 uiSettings.getScalePercent(), uiSettings.getMouseCursorShape(), uiSettings.isFullScreen());
64 this.changedSettingsMask = uiSettings.changedSettingsMask;
65 }
66
67 public double getScaleFactor() {
68 return uiSettingsData.getScalePercent() / 100.;
69 }
70
71 public void setScalePercent(double scalePercent) {
72 if (this.uiSettingsData.setScalePercent(scalePercent)) {
73 changedSettingsMask |= CHANGED_SCALE_FACTOR;
74 }
75 }
76
77 public void addListener(IChangeSettingsListener listener) {
78 listeners.add(listener);
79 }
80
81 void fireListeners() {
82 if (null == listeners) return;
83 final SettingsChangedEvent event = new SettingsChangedEvent(new UiSettings(this));
84 changedSettingsMask = 0;
85 for (IChangeSettingsListener listener : listeners) {
86 listener.settingsChanged(event);
87 }
88 }
89
90 public void zoomOut() {
91 double oldScaleFactor = uiSettingsData.getScalePercent();
92 double scaleFactor = (int)(this.uiSettingsData.getScalePercent() / SCALE_PERCENT_ZOOMING_STEP) * SCALE_PERCENT_ZOOMING_STEP;
93 if (scaleFactor == oldScaleFactor) {
94 scaleFactor -= SCALE_PERCENT_ZOOMING_STEP;
95 }
96 if (scaleFactor < MIN_SCALE_PERCENT) {
97 scaleFactor = MIN_SCALE_PERCENT;
98 }
99 setScalePercent(scaleFactor);
100 fireListeners();
101 }
102
103 public void zoomIn() {
104 double scaleFactor = (int)(this.uiSettingsData.getScalePercent() / SCALE_PERCENT_ZOOMING_STEP) * SCALE_PERCENT_ZOOMING_STEP + SCALE_PERCENT_ZOOMING_STEP;
105 if (scaleFactor > MAX_SCALE_PERCENT) {
106 scaleFactor = MAX_SCALE_PERCENT;
107 }
108 setScalePercent(scaleFactor);
109 fireListeners();
110 }
111
112 public void zoomAsIs() {
113 setScalePercent(100);
114 fireListeners();
115 }
116
117 public void zoomToFit(int containerWidth, int containerHeight, int fbWidth, int fbHeight) {
118 int scalePromille = Math.min(1000 * containerWidth / fbWidth,
119 1000 * containerHeight / fbHeight);
120 while (fbWidth * scalePromille / 1000. > containerWidth ||
121 fbHeight * scalePromille / 1000. > containerHeight) {
122 scalePromille -= 1;
123 }
124 setScalePercent(scalePromille / 10.);
125 fireListeners();
126 }
127
128 public boolean isChangedMouseCursorShape() {
129 return (changedSettingsMask & CHANGED_MOUSE_CURSOR_SHAPE) == CHANGED_MOUSE_CURSOR_SHAPE;
130 }
131
132 public static boolean isUiSettingsChangedFired(SettingsChangedEvent event) {
133 return event.getSource() instanceof UiSettings;
134 }
135
136 public double getScalePercent() {
137 return uiSettingsData.getScalePercent();
138 }
139
140 public String getScalePercentFormatted() {
141 NumberFormat numberFormat = new DecimalFormat("###.#");
142 return numberFormat.format(uiSettingsData.getScalePercent());
143 }
144
145 public LocalMouseCursorShape getMouseCursorShape() {
146 return uiSettingsData.getMouseCursorShape();
147 }
148
149 public void setMouseCursorShape(LocalMouseCursorShape mouseCursorShape) {
150 if (this.uiSettingsData.setMouseCursorShape(mouseCursorShape)) {
151 changedSettingsMask |= CHANGED_MOUSE_CURSOR_SHAPE;
152 fireListeners();
153 }
154 }
155
156 public void copyDataFrom(UiSettingsData other) {
157 copyDataFrom(other, 0);
158 }
159 public void copyDataFrom(UiSettingsData other, int mask) {
160 if (null == other) return;
161 if ((mask & CHANGED_SCALE_FACTOR) == 0) uiSettingsData.setScalePercent(other.getScalePercent());
162 if ((mask & CHANGED_MOUSE_CURSOR_SHAPE) == 0) uiSettingsData.setMouseCursorShape(other.getMouseCursorShape());
163 if ((mask & CHANGED_FULL_SCREEN) == 0) uiSettingsData.setFullScreen(other.isFullScreen());
164 }
165
166 public void setFullScreen(boolean isFullScreen) {
167 if (uiSettingsData.setFullScreen(isFullScreen)) {
168 changedSettingsMask |= CHANGED_FULL_SCREEN;
169 fireListeners();
170 }
171 }
172
173 public boolean isFullScreen() {
174 return uiSettingsData.isFullScreen();
175 }
176
177 public UiSettingsData getData() {
178 return uiSettingsData;
179 }
180
181 @Override
182 public String toString() {
183 return "UiSettings{" +
184 "scalePercent=" + uiSettingsData.getScalePercent() +
185 ", fullScreen=" + uiSettingsData.isFullScreen() +
186 ", mouseCursorShape=" + uiSettingsData.getMouseCursorShape() +
187 '}';
188 }
189
190 }