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//
// Copyright (C) 2001 Const Kaplinsky. All Rights Reserved.
// Copyright (C) 2000 Tridia Corporation. All Rights Reserved.
// Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
//
// This is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This software is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this software; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
//
//
// Options frame.
//
// This deals with all the options the user can play with.
// It sets the encodings array and some booleans.
//
import java.awt.*;
class optionsFrame extends Frame {
static String[] names = {
"Encoding",
"Compression level",
"Cursor shape updates",
"Use CopyRect",
"Mouse buttons 2 and 3",
"Share desktop",
"View only",
};
static String[][] values = {
{ "Raw", "RRE", "CoRRE", "Hextile", "Zlib", "Tight" },
{ "Default", "1", "2", "3", "4", "5", "6", "7", "8", "9" },
{ "Enable", "Ignore", "Disable" },
{ "Yes", "No" },
{ "Normal", "Reversed" },
{ "Yes", "No" },
{ "Yes", "No" },
};
final int
encodingIndex = 0,
compressLevelIndex = 1,
cursorUpdatesIndex = 2,
useCopyRectIndex = 3,
mouseButtonIndex = 4,
shareDesktopIndex = 5,
viewOnlyIndex = 6;
Label[] labels = new Label[names.length];
Choice[] choices = new Choice[names.length];
Button dismiss;
vncviewer v;
//
// The actual data which other classes look at:
//
int[] encodings = new int[20];
int nEncodings;
int compressLevel;
boolean requestCursorUpdates;
boolean ignoreCursorUpdates;
boolean reverseMouseButtons2And3;
boolean shareDesktop;
boolean viewOnly;
boolean showControls;
//
// Constructor. Set up the labels and choices from the names and values
// arrays.
//
optionsFrame(vncviewer v1) {
super("TightVNC Options");
v = v1;
GridBagLayout gridbag = new GridBagLayout();
setLayout(gridbag);
GridBagConstraints gbc = new GridBagConstraints();
gbc.fill = GridBagConstraints.BOTH;
for (int i = 0; i < names.length; i++) {
labels[i] = new Label(names[i]);
gbc.gridwidth = 1;
gridbag.setConstraints(labels[i],gbc);
add(labels[i]);
choices[i] = new Choice();
gbc.gridwidth = GridBagConstraints.REMAINDER;
gridbag.setConstraints(choices[i],gbc);
add(choices[i]);
for (int j = 0; j < values[i].length; j++) {
choices[i].addItem(values[i][j]);
}
}
dismiss = new Button("Dismiss");
gbc.gridwidth = GridBagConstraints.REMAINDER;
gridbag.setConstraints(dismiss,gbc);
add(dismiss);
pack();
// Set up defaults
choices[encodingIndex].select("Tight");
choices[compressLevelIndex].select("Default");
choices[cursorUpdatesIndex].select("Enable");
choices[useCopyRectIndex].select("Yes");
choices[mouseButtonIndex].select("Normal");
choices[shareDesktopIndex].select("Yes");
choices[viewOnlyIndex].select("No");
// But let them be overridden by parameters
for (int i = 0; i < names.length; i++) {
String s = v.readParameter(names[i], false);
if (s != null) {
for (int j = 0; j < values[i].length; j++) {
if (s.equalsIgnoreCase(values[i][j])) {
choices[i].select(j);
}
}
}
}
// "Show Controls" setting does not have associated GUI option
showControls = true;
String s = v.readParameter("Show Controls", false);
if (s != null && s.equalsIgnoreCase("No"))
showControls = false;
// Make the booleans and encodings array correspond to the state of the GUI
setEncodings();
setOtherOptions();
}
//
// Disable shareDesktop option
//
void disableShareDesktop() {
labels[shareDesktopIndex].disable();
choices[shareDesktopIndex].disable();
}
void disableViewOnly() {
labels[viewOnlyIndex].disable();
choices[viewOnlyIndex].disable();
}
//
// setEncodings looks at the encoding, compression level, cursor
// shape updates and copyRect choices and sets the encodings array
// appropriately. It also calls the vncviewer's setEncodings method
// to send a message to the RFB server if necessary.
//
void setEncodings() {
nEncodings = 0;
if (choices[useCopyRectIndex].getSelectedItem().equals("Yes")) {
encodings[nEncodings++] = rfbProto.EncodingCopyRect;
}
int preferredEncoding = rfbProto.EncodingRaw;
boolean enableCompressLevel = false;
if (choices[encodingIndex].getSelectedItem().equals("RRE")) {
preferredEncoding = rfbProto.EncodingRRE;
} else if (choices[encodingIndex].getSelectedItem().equals("CoRRE")) {
preferredEncoding = rfbProto.EncodingCoRRE;
} else if (choices[encodingIndex].getSelectedItem().equals("Hextile")) {
preferredEncoding = rfbProto.EncodingHextile;
} else if (choices[encodingIndex].getSelectedItem().equals("Zlib")) {
preferredEncoding = rfbProto.EncodingZlib;
enableCompressLevel = true;
} else if (choices[encodingIndex].getSelectedItem().equals("Tight")) {
preferredEncoding = rfbProto.EncodingTight;
enableCompressLevel = true;
}
encodings[nEncodings++] = preferredEncoding;
if (preferredEncoding != rfbProto.EncodingHextile) {
encodings[nEncodings++] = rfbProto.EncodingHextile;
}
if (preferredEncoding != rfbProto.EncodingTight) {
encodings[nEncodings++] = rfbProto.EncodingTight;
}
if (preferredEncoding != rfbProto.EncodingZlib) {
encodings[nEncodings++] = rfbProto.EncodingZlib;
}
if (preferredEncoding != rfbProto.EncodingCoRRE) {
encodings[nEncodings++] = rfbProto.EncodingCoRRE;
}
if (preferredEncoding != rfbProto.EncodingRRE) {
encodings[nEncodings++] = rfbProto.EncodingRRE;
}
if (enableCompressLevel) {
labels[compressLevelIndex].enable();
choices[compressLevelIndex].enable();
try {
compressLevel =
Integer.parseInt(choices[compressLevelIndex].getSelectedItem());
}
catch (NumberFormatException e) {
compressLevel = -1;
}
if (compressLevel >= 1 && compressLevel <= 9) {
encodings[nEncodings++] =
rfbProto.EncodingCompressLevel0 + compressLevel;
}
} else {
labels[compressLevelIndex].disable();
choices[compressLevelIndex].disable();
}
// Request cursor shape updates if necessary.
requestCursorUpdates =
!choices[cursorUpdatesIndex].getSelectedItem().equals("Disable");
if (requestCursorUpdates) {
encodings[nEncodings++] = rfbProto.EncodingXCursor;
encodings[nEncodings++] = rfbProto.EncodingRichCursor;
ignoreCursorUpdates =
choices[cursorUpdatesIndex].getSelectedItem().equals("Ignore");
}
encodings[nEncodings++] = rfbProto.EncodingLastRect;
v.setEncodings();
}
//
// setOtherOptions looks at the "other" choices (ones which don't set the
// encoding) and sets the boolean flags appropriately.
//
void setOtherOptions() {
reverseMouseButtons2And3
= choices[mouseButtonIndex].getSelectedItem().equals("Reversed");
shareDesktop
= choices[shareDesktopIndex].getSelectedItem().equals("Yes");
viewOnly
= choices[viewOnlyIndex].getSelectedItem().equals("Yes");
}
//
// Respond to an action i.e. choice or button press
//
public boolean action(Event evt, Object arg) {
if (evt.target == dismiss) {
hide();
return true;
} else if ((evt.target == choices[encodingIndex]) ||
(evt.target == choices[compressLevelIndex]) ||
(evt.target == choices[cursorUpdatesIndex]) ||
(evt.target == choices[useCopyRectIndex])) {
setEncodings();
return true;
} else if ((evt.target == choices[mouseButtonIndex]) ||
(evt.target == choices[shareDesktopIndex]) ||
(evt.target == choices[viewOnlyIndex])) {
setOtherOptions();
return true;
}
return false;
}
}
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