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processing/app/src/processing/app/platform/DefaultPlatform.java at master · dimr/processing · GitHub
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app
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processing
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platform
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DefaultPlatform.java
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processing
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app
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src
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processing
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app
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platform
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DefaultPlatform.java
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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2012-15 The Processing Foundation
Copyright (c) 2008-12 Ben Fry and Casey Reas
This program 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 program 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 program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package
processing
.
app
.
platform
;
import
java
.
awt
.
Desktop
;
import
java
.
io
.
File
;
import
java
.
net
.
URI
;
import
javax
.
swing
.
UIManager
;
import
com
.
sun
.
jna
.
Library
;
import
com
.
sun
.
jna
.
Native
;
import
processing
.
app
.
Base
;
import
processing
.
app
.
Preferences
;
/**
* Used by Base for platform-specific tweaking, for instance finding the
* sketchbook location using the Windows registry, or OS X event handling.
*
* The methods in this implementation are used by default, and can be
* overridden by a subclass.
*
* These methods throw vanilla-flavored Exceptions, so that error handling
* occurs inside Platform (which will show warnings in some cases).
*
* There is currently no mechanism for adding new platforms, as the setup is
* not automated. We could use getProperty("os.arch") perhaps, but that's
* debatable (could be upper/lowercase, have spaces, etc.. basically we don't
* know if name is proper Java package syntax.)
*/
public
class
DefaultPlatform
{
Base
base
;
public
void
initBase
(
Base
base
) {
this
.
base
=
base
;
}
/**
* Set the default L & F. While I enjoy the bounty of the sixteen possible
* exception types that this UIManager method might throw, I feel that in
* just this one particular case, I'm being spoiled by those engineers
* at Sun, those Masters of the Abstractionverse. So instead, I'll pretend
* that I'm not offered eleven dozen ways to report to the user exactly what
* went wrong, and I'll bundle them all into a single catch-all "Exception".
* Because in the end, all I really care about is whether things worked or
* not. And even then, I don't care.
* @throws Exception Just like I said.
*/
public
void
setLookAndFeel
()
throws
Exception
{
String
laf
=
Preferences
.
get
(
"editor.laf"
);
if
(
laf
==
null
||
laf
.
length
() ==
0
) {
// normal situation
UIManager
.
setLookAndFeel
(
UIManager
.
getSystemLookAndFeelClassName
());
}
else
{
UIManager
.
setLookAndFeel
(
laf
);
}
}
/**
* Handle any platform-specific languages saving. This is necessary on OS X
* because of how bundles are handled, but perhaps your platform would like
* to Think Different too?
* @param languageCode 2-digit lowercase ISO language code
*/
public
void
saveLanguage
(
String
languageCode
) { }
/**
* This function should throw an exception or return a value.
* Do not return null.
*/
public
File
getSettingsFolder
()
throws
Exception
{
// otherwise make a .processing directory int the user's home dir
File
home
=
new
File
(
System
.
getProperty
(
"user.home"
));
return
new
File
(
home
,
".processing"
);
}
/**
* @return if not overridden, a folder named "sketchbook" in user.home.
* @throws Exception so that subclasses can throw a fit
*/
public
File
getDefaultSketchbookFolder
()
throws
Exception
{
return
new
File
(
System
.
getProperty
(
"user.home"
),
"sketchbook"
);
}
public
void
openURL
(
String
url
)
throws
Exception
{
Desktop
.
getDesktop
().
browse
(
new
URI
(
url
));
}
public
boolean
openFolderAvailable
() {
return
Desktop
.
isDesktopSupported
();
}
public
void
openFolder
(
File
file
)
throws
Exception
{
Desktop
.
getDesktop
().
open
(
file
);
}
// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
public
interface
CLibrary
extends
Library
{
CLibrary
INSTANCE
= (
CLibrary
)
Native
.
loadLibrary
(
"c"
,
CLibrary
.
class
);
int
setenv
(
String
name
,
String
value
,
int
overwrite
);
String
getenv
(
String
name
);
int
unsetenv
(
String
name
);
int
putenv
(
String
string
);
}
public
void
setenv
(
String
variable
,
String
value
) {
CLibrary
clib
=
CLibrary
.
INSTANCE
;
clib
.
setenv
(
variable
,
value
,
1
);
}
public
String
getenv
(
String
variable
) {
CLibrary
clib
=
CLibrary
.
INSTANCE
;
return
clib
.
getenv
(
variable
);
}
public
int
unsetenv
(
String
variable
) {
CLibrary
clib
=
CLibrary
.
INSTANCE
;
return
clib
.
unsetenv
(
variable
);
}
// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
public
int
getSystemDPI
() {
return
96
;
}
}
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