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23324ae1 | 1 | ///////////////////////////////////////////////////////////////////////////// |
706068e4 | 2 | // Name: wx/defs.h |
e54c96f1 | 3 | // Purpose: interface of global functions |
7c913512 FM |
4 | // Author: wxWidgets team |
5 | // RCS-ID: $Id$ | |
6 | // Licence: wxWindows license | |
7 | ///////////////////////////////////////////////////////////////////////////// | |
8 | ||
f992f2ae BP |
9 | /** |
10 | Item kinds for use with wxMenu, wxMenuItem, and wxToolBar. | |
706068e4 | 11 | |
f992f2ae BP |
12 | @see wxMenu::Append(), wxMenuItem::wxMenuItem(), wxToolBar::AddTool() |
13 | */ | |
14 | enum wxItemKind | |
15 | { | |
16 | wxITEM_SEPARATOR = -1, | |
17 | ||
18 | /** | |
19 | Normal tool button / menu item. | |
20 | ||
21 | @see wxToolBar::AddTool(), wxMenu::AppendItem(). | |
22 | */ | |
23 | wxITEM_NORMAL, | |
24 | ||
25 | /** | |
26 | Check (or toggle) tool button / menu item. | |
27 | ||
28 | @see wxToolBar::AddCheckTool(), wxMenu::AppendCheckItem(). | |
29 | */ | |
30 | wxITEM_CHECK, | |
31 | ||
32 | /** | |
33 | Radio tool button / menu item. | |
34 | ||
35 | @see wxToolBar::AddRadioTool(), wxMenu::AppendRadioItem(). | |
36 | */ | |
37 | wxITEM_RADIO, | |
38 | ||
39 | /** | |
40 | Normal tool button with a dropdown arrow next to it. Clicking the | |
41 | dropdown arrow sends a @c wxEVT_COMMAND_TOOL_DROPDOWN_CLICKED event and may | |
42 | also display the menu previously associated with the item with | |
43 | wxToolBar::SetDropdownMenu(). Currently this type of tools is supported | |
44 | under MSW and GTK. | |
45 | */ | |
46 | wxITEM_DROPDOWN, | |
47 | ||
48 | wxITEM_MAX | |
49 | }; | |
50 | ||
51 | ||
d18d9f60 BP |
52 | /** |
53 | Paper size types for use with the printing framework. | |
54 | ||
55 | @see overview_printing, wxPrintData::SetPaperId() | |
56 | */ | |
57 | enum wxPaperSize | |
58 | { | |
59 | wxPAPER_NONE, ///< Use specific dimensions | |
60 | wxPAPER_LETTER, ///< Letter, 8 1/2 by 11 inches | |
61 | wxPAPER_LEGAL, ///< Legal, 8 1/2 by 14 inches | |
62 | wxPAPER_A4, ///< A4 Sheet, 210 by 297 millimeters | |
63 | wxPAPER_CSHEET, ///< C Sheet, 17 by 22 inches | |
64 | wxPAPER_DSHEET, ///< D Sheet, 22 by 34 inches | |
65 | wxPAPER_ESHEET, ///< E Sheet, 34 by 44 inches | |
66 | wxPAPER_LETTERSMALL, ///< Letter Small, 8 1/2 by 11 inches | |
67 | wxPAPER_TABLOID, ///< Tabloid, 11 by 17 inches | |
68 | wxPAPER_LEDGER, ///< Ledger, 17 by 11 inches | |
69 | wxPAPER_STATEMENT, ///< Statement, 5 1/2 by 8 1/2 inches | |
70 | wxPAPER_EXECUTIVE, ///< Executive, 7 1/4 by 10 1/2 inches | |
71 | wxPAPER_A3, ///< A3 sheet, 297 by 420 millimeters | |
72 | wxPAPER_A4SMALL, ///< A4 small sheet, 210 by 297 millimeters | |
73 | wxPAPER_A5, ///< A5 sheet, 148 by 210 millimeters | |
74 | wxPAPER_B4, ///< B4 sheet, 250 by 354 millimeters | |
75 | wxPAPER_B5, ///< B5 sheet, 182-by-257-millimeter paper | |
76 | wxPAPER_FOLIO, ///< Folio, 8-1/2-by-13-inch paper | |
77 | wxPAPER_QUARTO, ///< Quarto, 215-by-275-millimeter paper | |
78 | wxPAPER_10X14, ///< 10-by-14-inch sheet | |
79 | wxPAPER_11X17, ///< 11-by-17-inch sheet | |
80 | wxPAPER_NOTE, ///< Note, 8 1/2 by 11 inches | |
81 | wxPAPER_ENV_9, ///< #9 Envelope, 3 7/8 by 8 7/8 inches | |
82 | wxPAPER_ENV_10, ///< #10 Envelope, 4 1/8 by 9 1/2 inches | |
83 | wxPAPER_ENV_11, ///< #11 Envelope, 4 1/2 by 10 3/8 inches | |
84 | wxPAPER_ENV_12, ///< #12 Envelope, 4 3/4 by 11 inches | |
85 | wxPAPER_ENV_14, ///< #14 Envelope, 5 by 11 1/2 inches | |
86 | wxPAPER_ENV_DL, ///< DL Envelope, 110 by 220 millimeters | |
87 | wxPAPER_ENV_C5, ///< C5 Envelope, 162 by 229 millimeters | |
88 | wxPAPER_ENV_C3, ///< C3 Envelope, 324 by 458 millimeters | |
89 | wxPAPER_ENV_C4, ///< C4 Envelope, 229 by 324 millimeters | |
90 | wxPAPER_ENV_C6, ///< C6 Envelope, 114 by 162 millimeters | |
91 | wxPAPER_ENV_C65, ///< C65 Envelope, 114 by 229 millimeters | |
92 | wxPAPER_ENV_B4, ///< B4 Envelope, 250 by 353 millimeters | |
93 | wxPAPER_ENV_B5, ///< B5 Envelope, 176 by 250 millimeters | |
94 | wxPAPER_ENV_B6, ///< B6 Envelope, 176 by 125 millimeters | |
95 | wxPAPER_ENV_ITALY, ///< Italy Envelope, 110 by 230 millimeters | |
96 | wxPAPER_ENV_MONARCH, ///< Monarch Envelope, 3 7/8 by 7 1/2 inches | |
97 | wxPAPER_ENV_PERSONAL, ///< 6 3/4 Envelope, 3 5/8 by 6 1/2 inches | |
98 | wxPAPER_FANFOLD_US, ///< US Std Fanfold, 14 7/8 by 11 inches | |
99 | wxPAPER_FANFOLD_STD_GERMAN, ///< German Std Fanfold, 8 1/2 by 12 inches | |
100 | wxPAPER_FANFOLD_LGL_GERMAN, ///< German Legal Fanfold, 8 1/2 by 13 inches | |
101 | ||
bb69632a | 102 | // wxMSW Only |
d18d9f60 BP |
103 | |
104 | wxPAPER_ISO_B4, ///< B4 (ISO) 250 x 353 mm | |
105 | wxPAPER_JAPANESE_POSTCARD, ///< Japanese Postcard 100 x 148 mm | |
106 | wxPAPER_9X11, ///< 9 x 11 in | |
107 | wxPAPER_10X11, ///< 10 x 11 in | |
108 | wxPAPER_15X11, ///< 15 x 11 in | |
109 | wxPAPER_ENV_INVITE, ///< Envelope Invite 220 x 220 mm | |
4050e98d BP |
110 | wxPAPER_LETTER_EXTRA, ///< Letter Extra 9.5 x 12 in |
111 | wxPAPER_LEGAL_EXTRA, ///< Legal Extra 9.5 x 15 in | |
d18d9f60 BP |
112 | wxPAPER_TABLOID_EXTRA, ///< Tabloid Extra 11.69 x 18 in |
113 | wxPAPER_A4_EXTRA, ///< A4 Extra 9.27 x 12.69 in | |
4050e98d | 114 | wxPAPER_LETTER_TRANSVERSE, ///< Letter Transverse 8.5 x 11 in |
d18d9f60 | 115 | wxPAPER_A4_TRANSVERSE, ///< A4 Transverse 210 x 297 mm |
4050e98d | 116 | wxPAPER_LETTER_EXTRA_TRANSVERSE, ///< Letter Extra Transverse 9.5 x 12 in |
d18d9f60 BP |
117 | wxPAPER_A_PLUS, ///< SuperA/SuperA/A4 227 x 356 mm |
118 | wxPAPER_B_PLUS, ///< SuperB/SuperB/A3 305 x 487 mm | |
119 | wxPAPER_LETTER_PLUS, ///< Letter Plus 8.5 x 12.69 in | |
120 | wxPAPER_A4_PLUS, ///< A4 Plus 210 x 330 mm | |
121 | wxPAPER_A5_TRANSVERSE, ///< A5 Transverse 148 x 210 mm | |
122 | wxPAPER_B5_TRANSVERSE, ///< B5 (JIS) Transverse 182 x 257 mm | |
123 | wxPAPER_A3_EXTRA, ///< A3 Extra 322 x 445 mm | |
124 | wxPAPER_A5_EXTRA, ///< A5 Extra 174 x 235 mm | |
125 | wxPAPER_B5_EXTRA, ///< B5 (ISO) Extra 201 x 276 mm | |
126 | wxPAPER_A2, ///< A2 420 x 594 mm | |
127 | wxPAPER_A3_TRANSVERSE, ///< A3 Transverse 297 x 420 mm | |
128 | wxPAPER_A3_EXTRA_TRANSVERSE, ///< A3 Extra Transverse 322 x 445 mm | |
129 | ||
130 | wxPAPER_DBL_JAPANESE_POSTCARD, ///< Japanese Double Postcard 200 x 148 mm | |
131 | wxPAPER_A6, ///< A6 105 x 148 mm | |
132 | wxPAPER_JENV_KAKU2, ///< Japanese Envelope Kaku #2 | |
133 | wxPAPER_JENV_KAKU3, ///< Japanese Envelope Kaku #3 | |
134 | wxPAPER_JENV_CHOU3, ///< Japanese Envelope Chou #3 | |
135 | wxPAPER_JENV_CHOU4, ///< Japanese Envelope Chou #4 | |
136 | wxPAPER_LETTER_ROTATED, ///< Letter Rotated 11 x 8 1/2 in | |
137 | wxPAPER_A3_ROTATED, ///< A3 Rotated 420 x 297 mm | |
138 | wxPAPER_A4_ROTATED, ///< A4 Rotated 297 x 210 mm | |
139 | wxPAPER_A5_ROTATED, ///< A5 Rotated 210 x 148 mm | |
140 | wxPAPER_B4_JIS_ROTATED, ///< B4 (JIS) Rotated 364 x 257 mm | |
141 | wxPAPER_B5_JIS_ROTATED, ///< B5 (JIS) Rotated 257 x 182 mm | |
142 | wxPAPER_JAPANESE_POSTCARD_ROTATED, ///< Japanese Postcard Rotated 148 x 100 mm | |
143 | wxPAPER_DBL_JAPANESE_POSTCARD_ROTATED, ///< Double Japanese Postcard Rotated 148 x 200 mm | |
144 | wxPAPER_A6_ROTATED, ///< A6 Rotated 148 x 105 mm | |
145 | wxPAPER_JENV_KAKU2_ROTATED, ///< Japanese Envelope Kaku #2 Rotated | |
146 | wxPAPER_JENV_KAKU3_ROTATED, ///< Japanese Envelope Kaku #3 Rotated | |
147 | wxPAPER_JENV_CHOU3_ROTATED, ///< Japanese Envelope Chou #3 Rotated | |
148 | wxPAPER_JENV_CHOU4_ROTATED, ///< Japanese Envelope Chou #4 Rotated | |
149 | wxPAPER_B6_JIS, ///< B6 (JIS) 128 x 182 mm | |
150 | wxPAPER_B6_JIS_ROTATED, ///< B6 (JIS) Rotated 182 x 128 mm | |
151 | wxPAPER_12X11, ///< 12 x 11 in | |
152 | wxPAPER_JENV_YOU4, ///< Japanese Envelope You #4 | |
153 | wxPAPER_JENV_YOU4_ROTATED, ///< Japanese Envelope You #4 Rotated | |
154 | wxPAPER_P16K, ///< PRC 16K 146 x 215 mm | |
155 | wxPAPER_P32K, ///< PRC 32K 97 x 151 mm | |
156 | wxPAPER_P32KBIG, ///< PRC 32K(Big) 97 x 151 mm | |
157 | wxPAPER_PENV_1, ///< PRC Envelope #1 102 x 165 mm | |
158 | wxPAPER_PENV_2, ///< PRC Envelope #2 102 x 176 mm | |
159 | wxPAPER_PENV_3, ///< PRC Envelope #3 125 x 176 mm | |
160 | wxPAPER_PENV_4, ///< PRC Envelope #4 110 x 208 mm | |
161 | wxPAPER_PENV_5, ///< PRC Envelope #5 110 x 220 mm | |
162 | wxPAPER_PENV_6, ///< PRC Envelope #6 120 x 230 mm | |
163 | wxPAPER_PENV_7, ///< PRC Envelope #7 160 x 230 mm | |
164 | wxPAPER_PENV_8, ///< PRC Envelope #8 120 x 309 mm | |
165 | wxPAPER_PENV_9, ///< PRC Envelope #9 229 x 324 mm | |
166 | wxPAPER_PENV_10, ///< PRC Envelope #10 324 x 458 mm | |
167 | wxPAPER_P16K_ROTATED, ///< PRC 16K Rotated | |
168 | wxPAPER_P32K_ROTATED, ///< PRC 32K Rotated | |
169 | wxPAPER_P32KBIG_ROTATED, ///< PRC 32K(Big) Rotated | |
170 | wxPAPER_PENV_1_ROTATED, ///< PRC Envelope #1 Rotated 165 x 102 mm | |
171 | wxPAPER_PENV_2_ROTATED, ///< PRC Envelope #2 Rotated 176 x 102 mm | |
172 | wxPAPER_PENV_3_ROTATED, ///< PRC Envelope #3 Rotated 176 x 125 mm | |
173 | wxPAPER_PENV_4_ROTATED, ///< PRC Envelope #4 Rotated 208 x 110 mm | |
174 | wxPAPER_PENV_5_ROTATED, ///< PRC Envelope #5 Rotated 220 x 110 mm | |
175 | wxPAPER_PENV_6_ROTATED, ///< PRC Envelope #6 Rotated 230 x 120 mm | |
176 | wxPAPER_PENV_7_ROTATED, ///< PRC Envelope #7 Rotated 230 x 160 mm | |
177 | wxPAPER_PENV_8_ROTATED, ///< PRC Envelope #8 Rotated 309 x 120 mm | |
178 | wxPAPER_PENV_9_ROTATED, ///< PRC Envelope #9 Rotated 324 x 229 mm | |
179 | wxPAPER_PENV_10_ROTATED ///< PRC Envelope #10 Rotated 458 x 324 m | |
180 | }; | |
181 | ||
182 | ||
b21126db | 183 | /** @addtogroup group_funcmacro_byteorder */ |
7c913512 | 184 | //@{ |
9579c1d7 | 185 | |
23324ae1 | 186 | /** |
9579c1d7 BP |
187 | This macro will swap the bytes of the @a value variable from little endian |
188 | to big endian or vice versa unconditionally, i.e. independently of the | |
23324ae1 | 189 | current platform. |
9579c1d7 BP |
190 | |
191 | @header{wx/defs.h} | |
23324ae1 | 192 | */ |
d7b99b16 FM |
193 | #define wxINT32_SWAP_ALWAYS( wxInt32_value ) |
194 | #define wxUINT32_SWAP_ALWAYS( wxUint32_value ) | |
195 | #define wxINT16_SWAP_ALWAYS( wxInt16_value ) | |
196 | #define wxUINT16_SWAP_ALWAYS( wxUint16_value ) | |
9579c1d7 | 197 | |
23324ae1 FM |
198 | //@} |
199 | ||
b21126db | 200 | /** @addtogroup group_funcmacro_byteorder */ |
9579c1d7 BP |
201 | //@{ |
202 | ||
203 | /** | |
204 | This macro will swap the bytes of the @a value variable from little endian | |
205 | to big endian or vice versa if the program is compiled on a big-endian | |
206 | architecture (such as Sun work stations). If the program has been compiled | |
207 | on a little-endian architecture, the value will be unchanged. | |
208 | ||
209 | Use these macros to read data from and write data to a file that stores | |
210 | data in little-endian (for example Intel i386) format. | |
211 | ||
212 | @header{wx/defs.h} | |
213 | */ | |
d7b99b16 FM |
214 | #define wxINT32_SWAP_ON_BE( wxInt32_value ) |
215 | #define wxUINT32_SWAP_ON_BE( wxUint32_value ) | |
216 | #define wxINT16_SWAP_ON_BE( wxInt16_value ) | |
217 | #define wxUINT16_SWAP_ON_BE( wxUint16_value ) | |
23324ae1 | 218 | |
9579c1d7 BP |
219 | //@} |
220 | ||
b21126db | 221 | /** @addtogroup group_funcmacro_byteorder */ |
7c913512 | 222 | //@{ |
9579c1d7 | 223 | |
23324ae1 | 224 | /** |
9579c1d7 BP |
225 | This macro will swap the bytes of the @a value variable from little endian |
226 | to big endian or vice versa if the program is compiled on a little-endian | |
227 | architecture (such as Intel PCs). If the program has been compiled on a | |
228 | big-endian architecture, the value will be unchanged. | |
229 | ||
23324ae1 FM |
230 | Use these macros to read data from and write data to a file that stores |
231 | data in big-endian format. | |
9579c1d7 BP |
232 | |
233 | @header{wx/defs.h} | |
23324ae1 | 234 | */ |
d7b99b16 FM |
235 | #define wxINT32_SWAP_ON_LE( wxInt32_value ) |
236 | #define wxUINT32_SWAP_ON_LE( wxUint32_value ) | |
237 | #define wxINT16_SWAP_ON_LE( wxInt16_value ) | |
238 | #define wxUINT16_SWAP_ON_LE( wxUint16_value ) | |
9579c1d7 | 239 | |
23324ae1 FM |
240 | //@} |
241 | ||
9579c1d7 BP |
242 | |
243 | ||
b21126db | 244 | /** @addtogroup group_funcmacro_misc */ |
7fa7088e | 245 | //@{ |
9579c1d7 | 246 | |
706068e4 VZ |
247 | /** |
248 | This macro can be used in a class declaration to disable the generation of | |
249 | default assignment operator. | |
250 | ||
251 | Some classes have a well-defined copy constructor but cannot have an | |
252 | assignment operator, typically because they can't be modified once created. | |
253 | In such case, this macro can be used to disable the automatic assignment | |
254 | operator generation. | |
255 | ||
256 | @see DECLARE_NO_COPY_CLASS() | |
257 | */ | |
258 | #define DECLARE_NO_ASSIGN_CLASS(classname) | |
259 | ||
260 | /** | |
261 | This macro can be used in a class declaration to disable the generation of | |
262 | default copy ctor and assignment operator. | |
263 | ||
264 | Some classes don't have a well-defined copying semantics. In this case the | |
265 | standard C++ convention is to not allow copying them. One way of achieving | |
266 | it is to use this macro which simply defines a private copy constructor and | |
267 | assignment operator. | |
268 | ||
269 | Beware that simply not defining copy constructor and assignment operator is | |
270 | @em not enough as the compiler would provide its own automatically-generated | |
271 | versions of them -- hence the usefulness of this macro. | |
272 | ||
273 | Example of use: | |
274 | @code | |
275 | class FooWidget | |
276 | { | |
277 | public: | |
278 | FooWidget(); | |
279 | ... | |
280 | ||
281 | private: | |
282 | // widgets can't be copied | |
283 | DECLARE_NO_COPY_CLASS(FooWidget) | |
284 | }; | |
285 | @endcode | |
286 | ||
287 | Notice that a semicolon should not be used after this macro and that it | |
288 | changes the access specifier to private internally so it is better to use | |
289 | it at the end of the class declaration. | |
290 | */ | |
291 | #define DECLARE_NO_COPY_CLASS(classname) | |
292 | ||
375a5d3a VZ |
293 | /** |
294 | Equivalent of DECLARE_NO_COPY_CLASS() for template classes. | |
295 | ||
296 | This macro can be used for template classes (with a single template | |
297 | parameter) for the same purpose as DECLARE_NO_COPY_CLASS() is used with the | |
298 | non-template classes. | |
299 | ||
300 | @param classname The name of the template class. | |
301 | @param arg The name of the template parameter. | |
302 | */ | |
303 | #define DECLARE_NO_COPY_TEMPLATE_CLASS(classname, arg) | |
304 | ||
dac8712f VZ |
305 | /** |
306 | A function which deletes and nulls the pointer. | |
307 | ||
308 | This function uses operator delete to free the pointer and also sets it to | |
309 | @NULL. Notice that this does @em not work for arrays, use wxDELETEA() for | |
310 | them. | |
311 | ||
312 | @code | |
313 | MyClass *ptr = new MyClass; | |
314 | ... | |
315 | wxDELETE(ptr); | |
316 | wxASSERT(!ptr); | |
317 | @endcode | |
318 | ||
319 | @header{wx/defs.h} | |
320 | */ | |
321 | template <typename T> wxDELETE(T*& ptr); | |
322 | ||
323 | /** | |
324 | A function which deletes and nulls the pointer. | |
325 | ||
326 | This function uses vector operator delete (@c delete[]) to free the array | |
327 | pointer and also sets it to @NULL. Notice that this does @em not work for | |
328 | non-array pointers, use wxDELETE() for them. | |
329 | ||
330 | @code | |
331 | MyClass *array = new MyClass[17]; | |
332 | ... | |
333 | wxDELETEA(array); | |
334 | wxASSERT(!array); | |
335 | @endcode | |
336 | ||
337 | @see wxDELETE() | |
338 | ||
339 | @header{wx/defs.h} | |
340 | */ | |
341 | template <typename T> wxDELETEA(T*& array); | |
342 | ||
23324ae1 | 343 | /** |
7fa7088e BP |
344 | This macro can be used around a function declaration to generate warnings |
345 | indicating that this function is deprecated (i.e. obsolete and planned to | |
346 | be removed in the future) when it is used. Only Visual C++ 7 and higher and | |
347 | g++ compilers currently support this functionality. | |
348 | ||
349 | Example of use: | |
350 | ||
351 | @code | |
352 | // old function, use wxString version instead | |
353 | wxDEPRECATED( void wxGetSomething(char *buf, size_t len) ); | |
354 | ||
355 | // ... | |
356 | wxString wxGetSomething(); | |
357 | @endcode | |
358 | ||
359 | @header{wx/defs.h} | |
360 | */ | |
361 | #define wxDEPRECATED(function) | |
362 | ||
363 | /** | |
364 | This is a special version of wxDEPRECATED() macro which only does something | |
365 | when the deprecated function is used from the code outside wxWidgets itself | |
366 | but doesn't generate warnings when it is used from wxWidgets. | |
367 | ||
368 | It is used with the virtual functions which are called by the library | |
369 | itself -- even if such function is deprecated the library still has to call | |
370 | it to ensure that the existing code overriding it continues to work, but | |
371 | the use of this macro ensures that a deprecation warning will be generated | |
372 | if this function is used from the user code or, in case of Visual C++, even | |
373 | when it is simply overridden. | |
374 | ||
375 | @header{wx/defs.h} | |
376 | */ | |
377 | #define wxDEPRECATED_BUT_USED_INTERNALLY(function) | |
378 | ||
379 | /** | |
380 | This macro is similar to wxDEPRECATED() but can be used to not only declare | |
381 | the function @a function as deprecated but to also provide its (inline) | |
382 | implementation @a body. | |
383 | ||
23324ae1 | 384 | It can be used as following: |
7c913512 | 385 | |
23324ae1 FM |
386 | @code |
387 | class wxFoo | |
7fa7088e BP |
388 | { |
389 | public: | |
390 | // OldMethod() is deprecated, use NewMethod() instead | |
391 | void NewMethod(); | |
392 | wxDEPRECATED_INLINE( void OldMethod(), NewMethod() ); | |
393 | }; | |
23324ae1 | 394 | @endcode |
7fa7088e BP |
395 | |
396 | @header{wx/defs.h} | |
23324ae1 | 397 | */ |
7fa7088e | 398 | #define wxDEPRECATED_INLINE(func, body) |
23324ae1 FM |
399 | |
400 | /** | |
401 | @c wxEXPLICIT is a macro which expands to the C++ @c explicit keyword if | |
7fa7088e BP |
402 | the compiler supports it or nothing otherwise. Thus, it can be used even in |
403 | the code which might have to be compiled with an old compiler without | |
404 | support for this language feature but still take advantage of it when it is | |
405 | available. | |
23324ae1 | 406 | |
7fa7088e BP |
407 | @header{wx/defs.h} |
408 | */ | |
409 | #define wxEXPLICIT | |
23324ae1 FM |
410 | |
411 | /** | |
412 | GNU C++ compiler gives a warning for any class whose destructor is private | |
413 | unless it has a friend. This warning may sometimes be useful but it doesn't | |
7fa7088e BP |
414 | make sense for reference counted class which always delete themselves |
415 | (hence destructor should be private) but don't necessarily have any | |
416 | friends, so this macro is provided to disable the warning in such case. The | |
417 | @a name parameter should be the name of the class but is only used to | |
418 | construct a unique friend class name internally. | |
419 | ||
420 | Example of using the macro: | |
4cc4bfaf | 421 | |
23324ae1 FM |
422 | @code |
423 | class RefCounted | |
7fa7088e BP |
424 | { |
425 | public: | |
426 | RefCounted() { m_nRef = 1; } | |
427 | void IncRef() { m_nRef++ ; } | |
428 | void DecRef() { if ( !--m_nRef ) delete this; } | |
7c913512 | 429 | |
7fa7088e BP |
430 | private: |
431 | ~RefCounted() { } | |
7c913512 | 432 | |
7fa7088e BP |
433 | wxSUPPRESS_GCC_PRIVATE_DTOR(RefCounted) |
434 | }; | |
23324ae1 | 435 | @endcode |
7c913512 | 436 | |
23324ae1 | 437 | Notice that there should be no semicolon after this macro. |
7c913512 | 438 | |
7fa7088e | 439 | @header{wx/defs.h} |
23324ae1 | 440 | */ |
7fa7088e | 441 | #define wxSUPPRESS_GCC_PRIVATE_DTOR_WARNING(name) |
23324ae1 | 442 | |
dac8712f VZ |
443 | /** |
444 | Swaps the contents of two variables. | |
445 | ||
446 | This is similar to std::swap() but can be used even on the platforms where | |
447 | the standard C++ library is not available (if you don't target such | |
448 | platforms, please use std::swap() instead). | |
449 | ||
450 | The function relies on type T being copy constructible and assignable. | |
451 | ||
452 | Example of use: | |
453 | @code | |
454 | int x = 3, | |
455 | y = 4; | |
456 | wxSwap(x, y); | |
457 | wxASSERT( x == 4 && y == 3 ); | |
458 | @endcode | |
459 | */ | |
460 | template <typename T> wxSwap(T& first, T& second); | |
461 | ||
23324ae1 FM |
462 | /** |
463 | This macro is the same as the standard C99 @c va_copy for the compilers | |
7fa7088e BP |
464 | which support it or its replacement for those that don't. It must be used |
465 | to preserve the value of a @c va_list object if you need to use it after | |
23324ae1 | 466 | passing it to another function because it can be modified by the latter. |
7fa7088e | 467 | |
23324ae1 FM |
468 | As with @c va_start, each call to @c wxVaCopy must have a matching |
469 | @c va_end. | |
23324ae1 | 470 | |
7fa7088e | 471 | @header{wx/defs.h} |
23324ae1 | 472 | */ |
7fa7088e | 473 | void wxVaCopy(va_list argptrDst, va_list argptrSrc); |
23324ae1 | 474 | |
7fa7088e | 475 | //@} |
23324ae1 | 476 | |
f992f2ae | 477 |