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1 | // Copyright (c) 2013-2014 OPEN CASCADE SAS |
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2 | // |
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3 | // This file is part of Open CASCADE Technology software library. |
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4 | // |
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5 | // This library is free software; you can redistribute it and/or modify it under |
6 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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7 | // by the Free Software Foundation, with special exception defined in the file |
8 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
9 | // distribution for complete text of the license and disclaimer of any warranty. |
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10 | // |
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11 | // Alternatively, this file may be used under the terms of Open CASCADE |
12 | // commercial license or contractual agreement. |
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13 | |
14 | #include <Aspect_DisplayConnection.hxx> |
15 | |
16 | #include <Aspect_DisplayConnectionDefinitionError.hxx> |
17 | #include <OSD_Environment.hxx> |
18 | |
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19 | |
20 | // ======================================================================= |
21 | // function : Aspect_DisplayConnection |
22 | // purpose : |
23 | // ======================================================================= |
24 | Aspect_DisplayConnection::Aspect_DisplayConnection() |
25 | { |
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26 | #if !defined(_WIN32) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX)) && !defined(__ANDROID__) |
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27 | OSD_Environment anEnv ("DISPLAY"); |
28 | myDisplayName = anEnv.Value(); |
29 | Init(); |
30 | #endif |
31 | } |
32 | |
33 | // ======================================================================= |
34 | // function : ~Aspect_DisplayConnection |
35 | // purpose : |
36 | // ======================================================================= |
37 | Aspect_DisplayConnection::~Aspect_DisplayConnection() |
38 | { |
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39 | #if !defined(_WIN32) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX)) && !defined(__ANDROID__) |
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40 | if (myDisplay != NULL) |
41 | { |
42 | XCloseDisplay (myDisplay); |
43 | } |
44 | #endif |
45 | } |
46 | |
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47 | #if !defined(_WIN32) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX)) && !defined(__ANDROID__) |
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48 | // ======================================================================= |
49 | // function : Aspect_DisplayConnection |
50 | // purpose : |
51 | // ======================================================================= |
52 | Aspect_DisplayConnection::Aspect_DisplayConnection (const TCollection_AsciiString& theDisplayName) |
53 | { |
54 | myDisplayName = theDisplayName; |
55 | Init(); |
56 | } |
57 | |
58 | // ======================================================================= |
59 | // function : GetDisplay |
60 | // purpose : |
61 | // ======================================================================= |
62 | Display* Aspect_DisplayConnection::GetDisplay() |
63 | { |
64 | return myDisplay; |
65 | } |
66 | |
67 | // ======================================================================= |
68 | // function : GetDisplayName |
69 | // purpose : |
70 | // ======================================================================= |
71 | TCollection_AsciiString Aspect_DisplayConnection::GetDisplayName() |
72 | { |
73 | return myDisplayName; |
74 | } |
75 | |
76 | // ======================================================================= |
77 | // function : Init |
78 | // purpose : |
79 | // ======================================================================= |
80 | void Aspect_DisplayConnection::Init() |
81 | { |
82 | myDisplay = XOpenDisplay (myDisplayName.ToCString()); |
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83 | myAtoms.Bind (Aspect_XA_DELETE_WINDOW, XInternAtom(myDisplay, "WM_DELETE_WINDOW", False)); |
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84 | |
85 | if (myDisplay == NULL) |
86 | { |
87 | TCollection_AsciiString aMessage; |
88 | aMessage += "Can not connect to the server \""; |
89 | aMessage += myDisplayName + "\""; |
90 | Aspect_DisplayConnectionDefinitionError::Raise (aMessage.ToCString()); |
91 | } |
92 | } |
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93 | |
94 | // ======================================================================= |
95 | // function : GetAtom |
96 | // purpose : |
97 | // ======================================================================= |
98 | Atom Aspect_DisplayConnection::GetAtom (const Aspect_XAtom theAtom) const |
99 | { |
100 | Atom anAtom = myAtoms.Find(theAtom); |
101 | return anAtom; |
102 | } |
103 | |
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104 | #endif |