Expand wxString overview and document some problems due to its dual nature.
[wxWidgets.git] / interface / wx / platinfo.h
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: platinfo.h
3 // Purpose: interface of wxPlatformInfo
4 // Author: wxWidgets team
5 // RCS-ID: $Id$
6 // Licence: wxWindows licence
7 /////////////////////////////////////////////////////////////////////////////
8
9
10 /**
11 The following are the operating systems which are recognized by wxWidgets and
12 whose version can be detected at run-time.
13
14 The values of the constants are chosen so that they can be combined as flags;
15 this allows to check for operating system families like e.g. @c wxOS_MAC and @c wxOS_UNIX.
16
17 Note that you can obtain more detailed informations about the current OS
18 version in use by checking the major and minor version numbers returned
19 by ::wxGetOsVersion() or by wxPlatformInfo::GetOSMajorVersion(),
20 wxPlatformInfo::GetOSMinorVersion().
21 */
22 enum wxOperatingSystemId
23 {
24 wxOS_UNKNOWN = 0, //!< returned on error
25
26 wxOS_MAC_OS = 1 << 0, //!< Apple Mac OS 8/9/X with Mac paths
27 wxOS_MAC_OSX_DARWIN = 1 << 1, //!< Apple Mac OS X with Unix paths
28
29 //! A combination of all @c wxOS_MAC_* values previously listed.
30 wxOS_MAC = wxOS_MAC_OS|wxOS_MAC_OSX_DARWIN,
31
32 wxOS_WINDOWS_9X = 1 << 2, //!< Windows 9x family (95/98/ME)
33 wxOS_WINDOWS_NT = 1 << 3, //!< Windows NT family (NT/2000/XP/Vista/7)
34 wxOS_WINDOWS_MICRO = 1 << 4, //!< MicroWindows
35 wxOS_WINDOWS_CE = 1 << 5, //!< Windows CE (Window Mobile)
36
37 //! A combination of all @c wxOS_WINDOWS_* values previously listed.
38 wxOS_WINDOWS = wxOS_WINDOWS_9X |
39 wxOS_WINDOWS_NT |
40 wxOS_WINDOWS_MICRO |
41 wxOS_WINDOWS_CE,
42
43 wxOS_UNIX_LINUX = 1 << 6, //!< Linux
44 wxOS_UNIX_FREEBSD = 1 << 7, //!< FreeBSD
45 wxOS_UNIX_OPENBSD = 1 << 8, //!< OpenBSD
46 wxOS_UNIX_NETBSD = 1 << 9, //!< NetBSD
47 wxOS_UNIX_SOLARIS = 1 << 10, //!< SunOS
48 wxOS_UNIX_AIX = 1 << 11, //!< AIX
49 wxOS_UNIX_HPUX = 1 << 12, //!< HP/UX
50
51 //! A combination of all @c wxOS_UNIX_* values previously listed.
52 wxOS_UNIX = wxOS_UNIX_LINUX |
53 wxOS_UNIX_FREEBSD |
54 wxOS_UNIX_OPENBSD |
55 wxOS_UNIX_NETBSD |
56 wxOS_UNIX_SOLARIS |
57 wxOS_UNIX_AIX |
58 wxOS_UNIX_HPUX,
59
60 wxOS_DOS = 1 << 15, //!< Microsoft DOS
61 wxOS_OS2 = 1 << 16 //!< OS/2
62 };
63
64 /**
65 The list of wxWidgets ports.
66
67 Some of them can be used with more than a single (native) toolkit;
68 e.g. wxWinCE port sources can be used with smartphones, pocket PCs
69 and handheld devices SDKs.
70 */
71 enum wxPortId
72 {
73 wxPORT_UNKNOWN = 0, //!< returned on error
74
75 wxPORT_BASE = 1 << 0, //!< wxBase, no native toolkit used
76
77 wxPORT_MSW = 1 << 1, //!< wxMSW, native toolkit is Windows API
78 wxPORT_MOTIF = 1 << 2, //!< wxMotif, using [Open]Motif or Lesstif
79 wxPORT_GTK = 1 << 3, //!< wxGTK, using GTK+ 1.x, 2.x, GPE or Maemo
80 wxPORT_DFB = 1 << 4, //!< wxDFB, using wxUniversal
81 wxPORT_X11 = 1 << 5, //!< wxX11, using wxUniversal
82 wxPORT_OS2 = 1 << 6, //!< wxOS2, using OS/2 Presentation Manager
83 wxPORT_MAC = 1 << 7, //!< wxMac, using Carbon or Classic Mac API
84 wxPORT_COCOA = 1 << 8, //!< wxCocoa, using Cocoa NextStep/Mac API
85 wxPORT_WINCE = 1 << 9 //!< wxWinCE, toolkit is WinCE SDK API
86 };
87
88
89 /**
90 The architecture of the operating system
91 (regardless of the build environment of wxWidgets library - see ::wxIsPlatform64Bit()
92 documentation for more info).
93 */
94 enum wxArchitecture
95 {
96 wxARCH_INVALID = -1, //!< returned on error
97
98 wxARCH_32, //!< 32 bit
99 wxARCH_64, //!< 64 bit
100
101 wxARCH_MAX
102 };
103
104
105 /**
106 The endian-ness of the machine.
107 */
108 enum wxEndianness
109 {
110 wxENDIAN_INVALID = -1, //!< returned on error
111
112 wxENDIAN_BIG, //!< 4321
113 wxENDIAN_LITTLE, //!< 1234
114 wxENDIAN_PDP, //!< 3412
115
116 wxENDIAN_MAX
117 };
118
119 /**
120 A structure containing informations about a Linux distribution as returned
121 by the @c lsb_release utility.
122
123 See wxGetLinuxDistributionInfo() or wxPlatformInfo::GetLinuxDistributionInfo()
124 for more info.
125 */
126 struct wxLinuxDistributionInfo
127 {
128 wxString Id; //!< The id of the distribution; e.g. "Ubuntu"
129 wxString Release; //!< The version of the distribution; e.g. "9.04"
130 wxString CodeName; //!< The code name of the distribution; e.g. "jaunty"
131 wxString Description; //!< The description of the distribution; e.g. "Ubuntu 9.04"
132
133 bool operator==(const wxLinuxDistributionInfo& ldi) const;
134 bool operator!=(const wxLinuxDistributionInfo& ldi) const;
135 };
136
137
138 /**
139 @class wxPlatformInfo
140
141 This class holds informations about the operating system, the toolkit and the
142 basic architecture of the machine where the application is currently running.
143
144 This class does not only have @e getters for the informations above, it also has
145 @e setters. This allows you to e.g. save the current platform informations in a
146 data file (maybe in string form) so that when you later load it, you can easily
147 retrieve (see the static getters for string->enum conversion functions) and store
148 inside a wxPlatformInfo instance (using its setters) the signature of the system
149 which generated it.
150
151 In general however you only need to use the static Get() function and then
152 access the various informations for the current platform:
153 @code
154 wxLogMessage("This application is running under %s.",
155 wxPlatformInfo::Get().GetOperatingSystemIdName());
156 @endcode
157
158 @library{wxbase}
159 @category{cfg}
160
161 @see ::wxGetOsVersion(), wxIsPlatformLittleEndian(), wxIsPlatform64Bit(),
162 wxAppTraits, @ref group_funcmacro_networkuseros
163 */
164 class wxPlatformInfo
165 {
166 public:
167
168 /**
169 Initializes the instance with the values corresponding to the currently
170 running platform.
171
172 This is a fast operation because it only requires to copy the values
173 internally cached for the currently running platform.
174
175 @see Get()
176 */
177 wxPlatformInfo();
178
179 /**
180 Initializes the object using given values.
181 */
182 wxPlatformInfo(wxPortId pid,
183 int tkMajor = -1,
184 int tkMinor = -1,
185 wxOperatingSystemId id = wxOS_UNKNOWN,
186 int osMajor = -1,
187 int osMinor = -1,
188 wxArchitecture arch = wxARCH_INVALID,
189 wxEndianness endian = wxENDIAN_INVALID);
190
191
192 /**
193 Returns @true if the OS version is at least @c major.minor.
194
195 @see GetOSMajorVersion(), GetOSMinorVersion(),
196 CheckToolkitVersion()
197 */
198 bool CheckOSVersion(int major, int minor) const;
199
200 /**
201 Returns @true if the toolkit version is at least @c major.minor.
202
203 @see GetToolkitMajorVersion(),
204 GetToolkitMinorVersion(), CheckOSVersion()
205 */
206 bool CheckToolkitVersion(int major, int minor) const;
207
208
209 /**
210 Returns @true if this instance is fully initialized with valid values.
211 */
212 bool IsOk() const;
213
214 /**
215 Returns @true if this wxPlatformInfo describes wxUniversal build.
216 */
217 bool IsUsingUniversalWidgets() const;
218
219 /**
220 Inequality operator. Tests all class' internal variables.
221 */
222 bool operator!=(const wxPlatformInfo& t) const;
223
224 /**
225 Equality operator. Tests all class' internal variables.
226 */
227 bool operator==(const wxPlatformInfo& t) const;
228
229 /**
230 Returns the global wxPlatformInfo object, initialized with the values
231 for the currently running platform.
232 */
233 static const wxPlatformInfo& Get();
234
235 /**
236 @name Static enum getters
237
238 These getters allow for easy string-to-enumeration-value conversion.
239 */
240 //@{
241
242 /**
243 Converts the given string to a wxArchitecture enum value or to
244 @c wxARCH_INVALID if the given string is not a valid architecture string
245 (i.e. does not contain nor @c 32 nor @c 64 strings).
246 */
247 static wxArchitecture GetArch(const wxString& arch);
248
249 /**
250 Converts the given string to a wxEndianness enum value or to
251 @c wxENDIAN_INVALID if the given string is not a valid endianness
252 string (i.e. does not contain nor little nor big strings).
253 */
254 static wxEndianness GetEndianness(const wxString& end);
255
256 /**
257 Converts the given string to a wxOperatingSystemId enum value or to @c
258 wxOS_UNKNOWN if the given string is not a valid operating system name.
259 */
260 static wxOperatingSystemId GetOperatingSystemId(const wxString& name);
261
262 /**
263 Converts the given string to a wxWidgets port ID value or to @c wxPORT_UNKNOWN
264 if the given string does not match any of the wxWidgets canonical name ports
265 ("wxGTK", "wxMSW", etc) nor any of the short wxWidgets name ports ("gtk", "msw", etc).
266 */
267 static wxPortId GetPortId(const wxString& portname);
268
269 //@}
270
271
272 /**
273 @name Static string-form getters
274
275 These getters allow for easy enumeration-value-to-string conversion.
276 */
277 //@{
278
279 /**
280 Returns the name for the given wxArchitecture enumeration value.
281 */
282 static wxString GetArchName(wxArchitecture arch);
283
284 /**
285 Returns name for the given wxEndianness enumeration value.
286 */
287 static wxString GetEndiannessName(wxEndianness end);
288
289 /**
290 Returns the operating system family name for the given wxOperatingSystemId
291 enumeration value: @c Unix for @c wxOS_UNIX, @c Macintosh for @c wxOS_MAC,
292 @c Windows for @c wxOS_WINDOWS, @c DOS for @c wxOS_DOS, @c OS/2 for @c wxOS_OS2.
293 */
294 static wxString GetOperatingSystemFamilyName(wxOperatingSystemId os);
295
296 /**
297 Returns the name for the given operating system ID value.
298
299 This can be a long name (e.g. <tt>Microsoft Windows NT</tt>);
300 use GetOperatingSystemFamilyName() to retrieve a short, generic name.
301 */
302 static wxString GetOperatingSystemIdName(wxOperatingSystemId os);
303
304 /**
305 Returns the name of the given wxWidgets port ID value.
306 The @a usingUniversal argument specifies whether the port is in its native
307 or wxUniversal variant.
308
309 The returned string always starts with the "wx" prefix and is a mixed-case string.
310 */
311 static wxString GetPortIdName(wxPortId port, bool usingUniversal);
312
313 /**
314 Returns the short name of the given wxWidgets port ID value.
315 The @a usingUniversal argument specifies whether the port is in its native
316 or wxUniversal variant.
317
318 The returned string does not start with the "wx" prefix and is always lower case.
319 */
320 static wxString GetPortIdShortName(wxPortId port,
321 bool usingUniversal);
322
323 /**
324 Returns the operating system directory.
325
326 See wxGetOSDirectory() for more info.
327 */
328 static wxString GetOperatingSystemDirectory();
329
330 //@}
331
332
333 /**
334 @name Getters
335 */
336 //@{
337
338 /**
339 Returns the architecture ID of this wxPlatformInfo instance.
340 */
341 wxArchitecture GetArchitecture() const;
342
343 /**
344 Returns the endianness ID of this wxPlatformInfo instance.
345 */
346 wxEndianness GetEndianness() const;
347
348 /**
349 Returns the run-time major version of the OS associated with this
350 wxPlatformInfo instance.
351
352 @see ::wxGetOsVersion(), CheckOSVersion()
353 */
354 int GetOSMajorVersion() const;
355
356 /**
357 Returns the run-time minor version of the OS associated with this
358 wxPlatformInfo instance.
359
360 @see ::wxGetOsVersion(), CheckOSVersion()
361 */
362 int GetOSMinorVersion() const;
363
364 /**
365 Returns the operating system ID of this wxPlatformInfo instance.
366
367 See wxGetOsVersion() for more info.
368 */
369 wxOperatingSystemId GetOperatingSystemId() const;
370
371 /**
372 Returns the description of the operating system of this wxPlatformInfo instance.
373
374 See wxGetOSDescription() for more info.
375 */
376 wxString GetOperatingSystemDescription() const;
377
378 /**
379 Returns the wxWidgets port ID associated with this wxPlatformInfo instance.
380 */
381 wxPortId GetPortId() const;
382
383 /**
384 Returns the Linux distribution info associated with this wxPlatformInfo instance.
385
386 See wxGetLinuxDistributionInfo() for more info.
387 */
388 wxLinuxDistributionInfo GetLinuxDistributionInfo() const;
389
390 /**
391 Returns the desktop environment associated with this wxPlatformInfo instance.
392
393 See wxAppTraits::GetDesktopEnvironment() for more info.
394 */
395 wxString GetDesktopEnvironment() const;
396
397 /**
398 Returns the run-time major version of the toolkit associated with this
399 wxPlatformInfo instance.
400
401 Note that if GetPortId() returns @c wxPORT_BASE, then this value is zero
402 (unless externally modified with SetToolkitVersion()); that is, no native
403 toolkit is in use.
404 See wxAppTraits::GetToolkitVersion() for more info.
405
406 @see CheckToolkitVersion()
407 */
408 int GetToolkitMajorVersion() const;
409
410 /**
411 Returns the run-time minor version of the toolkit associated with this
412 wxPlatformInfo instance.
413
414 Note that if GetPortId() returns @c wxPORT_BASE, then this value is zero
415 (unless externally modified with SetToolkitVersion()); that is, no native
416 toolkit is in use.
417 See wxAppTraits::GetToolkitVersion() for more info.
418
419 @see CheckToolkitVersion()
420 */
421 int GetToolkitMinorVersion() const;
422
423 //@}
424
425
426 /**
427 @name String-form getters
428 */
429 //@{
430
431 /**
432 Returns the name for the architecture of this wxPlatformInfo instance.
433 */
434 wxString GetArchName() const;
435
436 /**
437 Returns the name for the endianness of this wxPlatformInfo instance.
438 */
439 wxString GetEndiannessName() const;
440
441 /**
442 Returns the operating system family name of the OS associated with this
443 wxPlatformInfo instance.
444 */
445 wxString GetOperatingSystemFamilyName() const;
446
447 /**
448 Returns the operating system name of the OS associated with this wxPlatformInfo
449 instance.
450 */
451 wxString GetOperatingSystemIdName() const;
452
453 /**
454 Returns the name of the wxWidgets port ID associated with this wxPlatformInfo
455 instance.
456 */
457 wxString GetPortIdName() const;
458
459 /**
460 Returns the short name of the wxWidgets port ID associated with this
461 wxPlatformInfo instance.
462 */
463 wxString GetPortIdShortName() const;
464
465 //@}
466
467
468
469 /**
470 @name Setters
471 */
472 //@{
473
474 /**
475 Sets the architecture enum value associated with this wxPlatformInfo instance.
476 */
477 void SetArchitecture(wxArchitecture n);
478
479 /**
480 Sets the endianness enum value associated with this wxPlatformInfo instance.
481 */
482 void SetEndianness(wxEndianness n);
483
484 /**
485 Sets the version of the operating system associated with this wxPlatformInfo
486 instance.
487 */
488 void SetOSVersion(int major, int minor);
489
490 /**
491 Sets the operating system associated with this wxPlatformInfo instance.
492 */
493 void SetOperatingSystemId(wxOperatingSystemId n);
494
495 /**
496 Sets the wxWidgets port ID associated with this wxPlatformInfo instance.
497 */
498 void SetPortId(wxPortId n);
499
500 /**
501 Sets the version of the toolkit associated with this wxPlatformInfo instance.
502 */
503 void SetToolkitVersion(int major, int minor);
504
505 /**
506 Sets the operating system description associated with this wxPlatformInfo instance.
507 */
508 void SetOperatingSystemDescription(const wxString& desc);
509
510 /**
511 Sets the desktop environment associated with this wxPlatformInfo instance.
512 */
513 void SetDesktopEnvironment(const wxString& de);
514
515 /**
516 Sets the linux distribution info associated with this wxPlatformInfo instance.
517 */
518 void SetLinuxDistributionInfo(const wxLinuxDistributionInfo& di);
519
520 //@}
521 };
522