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1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: xrc/xmlres.h | |
3 | // Purpose: documentation for wxXmlResource class | |
4 | // Author: wxWidgets team | |
5 | // RCS-ID: $Id$ | |
6 | // Licence: wxWindows license | |
7 | ///////////////////////////////////////////////////////////////////////////// | |
8 | ||
9 | /** | |
10 | @class wxXmlResource | |
11 | @headerfile xmlres.h wx/xrc/xmlres.h | |
7c913512 | 12 | |
23324ae1 | 13 | This is the main class for interacting with the XML-based resource system. |
7c913512 | 14 | |
23324ae1 FM |
15 | The class holds XML resources from one or more .xml files, binary files or zip |
16 | archive files. | |
7c913512 | 17 | |
23324ae1 | 18 | See @ref overview_xrcoverview "XML-based resource system overview" for details. |
7c913512 | 19 | |
23324ae1 FM |
20 | @library{wxxrc} |
21 | @category{xrc} | |
22 | */ | |
23 | class wxXmlResource : public wxObject | |
24 | { | |
25 | public: | |
26 | //@{ | |
27 | /** | |
28 | Constructor. | |
29 | ||
7c913512 | 30 | @param flags |
23324ae1 FM |
31 | wxXRC_USE_LOCALE: translatable strings will be translated via _(). |
32 | wxXRC_NO_SUBCLASSING: subclass property of object nodes will be ignored | |
33 | (useful for previews in XRC editors). wxXRC_NO_RELOADING will prevent the | |
34 | XRC files from being reloaded from disk in case they have been modified there | |
35 | since being last loaded (may slightly speed up loading them). | |
36 | ||
7c913512 | 37 | @param domain |
23324ae1 FM |
38 | The name of the gettext catalog to search for |
39 | translatable strings. By default all loaded catalogs will be | |
40 | searched. This provides a way to allow the strings to only come | |
41 | from a specific catalog. | |
42 | */ | |
43 | wxXmlResource(const wxString& filemask, | |
44 | int flags = wxXRC_USE_LOCALE, | |
45 | const wxString domain = wxEmptyString); | |
7c913512 FM |
46 | wxXmlResource(int flags = wxXRC_USE_LOCALE, |
47 | const wxString domain = wxEmptyString); | |
23324ae1 FM |
48 | //@} |
49 | ||
50 | /** | |
51 | Destructor. | |
52 | */ | |
53 | ~wxXmlResource(); | |
54 | ||
55 | /** | |
56 | Initializes only a specific handler (or custom handler). Convention says | |
57 | that the handler name is equal to the control's name plus 'XmlHandler', for | |
58 | example | |
59 | wxTextCtrlXmlHandler, wxHtmlWindowXmlHandler. The XML resource compiler | |
60 | (wxxrc) can create include file that contains initialization code for | |
61 | all controls used within the resource. Note that this handler should be | |
7c913512 | 62 | allocated on the heap, since it will be delete by |
23324ae1 FM |
63 | ClearHandlers() later. |
64 | */ | |
65 | void AddHandler(wxXmlResourceHandler* handler); | |
66 | ||
67 | /** | |
68 | Attaches an unknown control to the given panel/window/dialog. | |
69 | Unknown controls are used in conjunction with object class="unknown". | |
70 | */ | |
71 | bool AttachUnknownControl(const wxString& name, | |
72 | wxWindow* control, | |
73 | wxWindow* parent = @NULL); | |
74 | ||
75 | /** | |
7c913512 | 76 | Removes all handlers and deletes them (this means that any handlers added using |
23324ae1 FM |
77 | AddHandler() must be allocated on the heap). |
78 | */ | |
79 | void ClearHandlers(); | |
80 | ||
81 | /** | |
82 | Compares the XRC version to the argument. Returns -1 if the XRC version | |
83 | is less than the argument, +1 if greater, and 0 if they equal. | |
84 | */ | |
85 | int CompareVersion(int major, int minor, int release, | |
86 | int revision); | |
87 | ||
88 | /** | |
89 | Gets the global resources object or creates one if none exists. | |
90 | */ | |
91 | #define wxXmlResource* Get() /* implementation is private */ | |
92 | ||
93 | /** | |
94 | Returns the domain (message catalog) that will be used to load | |
95 | translatable strings in the XRC. | |
96 | */ | |
97 | wxChar* GetDomain(); | |
98 | ||
99 | /** | |
100 | Returns flags, which may be a bitlist of wxXRC_USE_LOCALE and | |
101 | wxXRC_NO_SUBCLASSING. | |
102 | */ | |
103 | int GetFlags(); | |
104 | ||
105 | /** | |
106 | Returns version information (a.b.c.d = d+ 256*c + 256@c 2*b + 256@c 3*a). | |
107 | */ | |
108 | long GetVersion(); | |
109 | ||
110 | /** | |
111 | Returns a numeric ID that is equivalent to the string ID used in an XML | |
112 | resource. If an unknown @e str_id is requested (i.e. other than wxID_XXX | |
113 | or integer), a new record is created which associates the given string with | |
114 | a number. If @e value_if_not_found is @c wxID_NONE, the number is obtained via | |
115 | wxNewId. Otherwise @e value_if_not_found is used. | |
116 | Macro @c XRCID(name) is provided for convenient use in event tables. | |
117 | */ | |
118 | #define int GetXRCID(const wxString& str_id, int value_if_not_found = -2) /* implementation is private */ | |
119 | ||
120 | /** | |
121 | Initializes handlers for all supported controls/windows. This will | |
122 | make the executable quite big because it forces linking against | |
123 | most of the wxWidgets library. | |
124 | */ | |
125 | void InitAllHandlers(); | |
126 | ||
127 | /** | |
128 | Loads resources from XML files that match given filemask. | |
129 | This method understands VFS (see filesys.h). | |
130 | */ | |
131 | bool Load(const wxString& filemask); | |
132 | ||
133 | /** | |
134 | Loads a bitmap resource from a file. | |
135 | */ | |
136 | wxBitmap LoadBitmap(const wxString& name); | |
137 | ||
138 | //@{ | |
139 | /** | |
140 | Loads a dialog. @e dlg points to parent window (if any). | |
141 | ||
142 | This form is used to finish creation of an already existing instance (the main | |
143 | reason | |
144 | for this is that you may want to use derived class with a new event table). | |
145 | ||
146 | Example: | |
147 | */ | |
148 | wxDialog* LoadDialog(wxWindow* parent, const wxString& name); | |
7c913512 FM |
149 | bool LoadDialog(wxDialog* dlg, wxWindow* parent, |
150 | const wxString& name); | |
23324ae1 FM |
151 | //@} |
152 | ||
153 | /** | |
154 | Loads a frame. | |
155 | */ | |
156 | bool LoadFrame(wxFrame* frame, wxWindow* parent, | |
157 | const wxString& name); | |
158 | ||
159 | /** | |
160 | Loads an icon resource from a file. | |
161 | */ | |
162 | wxIcon LoadIcon(const wxString& name); | |
163 | ||
164 | /** | |
165 | Loads menu from resource. Returns @NULL on failure. | |
166 | */ | |
167 | wxMenu* LoadMenu(const wxString& name); | |
168 | ||
169 | //@{ | |
170 | /** | |
171 | Loads a menubar from resource. Returns @NULL on failure. | |
172 | */ | |
173 | wxMenuBar* LoadMenuBar(wxWindow* parent, const wxString& name); | |
7c913512 | 174 | wxMenuBar* LoadMenuBar(const wxString& name); |
23324ae1 FM |
175 | //@} |
176 | ||
177 | //@{ | |
178 | /** | |
179 | Load an object from the resource specifying both the resource name and the | |
180 | class name. | |
181 | ||
182 | The first overload lets you load nonstandard container windows and returns @c | |
183 | @NULL | |
184 | on failure. The second one lets you finish the creation of an existing | |
185 | instance and returns @false on failure. | |
186 | */ | |
187 | wxObject* LoadObject(wxWindow* parent, const wxString& name, | |
188 | const wxString& classname); | |
7c913512 FM |
189 | bool LoadObject(wxObject* instance, wxWindow* parent, |
190 | const wxString& name, | |
191 | const wxString& classname); | |
23324ae1 FM |
192 | //@} |
193 | ||
194 | //@{ | |
195 | /** | |
196 | Loads a panel. @e panel points to parent window (if any). This form | |
197 | is used to finish creation of an already existing instance. | |
198 | */ | |
199 | wxPanel* LoadPanel(wxWindow* parent, const wxString& name); | |
7c913512 FM |
200 | bool LoadPanel(wxPanel* panel, wxWindow* parent, |
201 | const wxString& name); | |
23324ae1 FM |
202 | //@} |
203 | ||
204 | /** | |
205 | Loads a toolbar. | |
206 | */ | |
207 | wxToolBar* LoadToolBar(wxWindow* parent, const wxString& name); | |
208 | ||
209 | /** | |
210 | Sets the global resources object and returns a pointer to the previous one (may | |
211 | be @NULL). | |
212 | */ | |
213 | #define wxXmlResource* Set(wxXmlResource* res) /* implementation is private */ | |
214 | ||
215 | /** | |
216 | Sets the domain (message catalog) that will be used to load | |
217 | translatable strings in the XRC. | |
218 | */ | |
219 | wxChar* SetDomain(const wxChar* domain); | |
220 | ||
221 | /** | |
222 | Sets flags (bitlist of wxXRC_USE_LOCALE and wxXRC_NO_SUBCLASSING). | |
223 | */ | |
224 | void SetFlags(int flags); | |
225 | ||
226 | /** | |
7c913512 | 227 | This function unloads a resource previously loaded by |
23324ae1 FM |
228 | Load(). |
229 | ||
230 | Returns @true if the resource was successfully unloaded and @false if it | |
231 | hasn't | |
232 | been found in the list of loaded resources. | |
233 | */ | |
234 | bool Unload(const wxString& filename); | |
235 | }; | |
236 | ||
237 | ||
238 | /** | |
239 | @class wxXmlResourceHandler | |
240 | @headerfile xmlres.h wx/xrc/xmlres.h | |
7c913512 | 241 | |
23324ae1 FM |
242 | wxXmlResourceHandler is an abstract base class for resource handlers |
243 | capable of creating a control from an XML node. | |
7c913512 | 244 | |
23324ae1 | 245 | See @ref overview_xrcoverview "XML-based resource system overview" for details. |
7c913512 | 246 | |
23324ae1 FM |
247 | @library{wxxrc} |
248 | @category{xrc} | |
249 | */ | |
250 | class wxXmlResourceHandler : public wxObject | |
251 | { | |
252 | public: | |
253 | /** | |
254 | Default constructor. | |
255 | */ | |
256 | wxXmlResourceHandler(); | |
257 | ||
258 | /** | |
259 | Destructor. | |
260 | */ | |
261 | ~wxXmlResourceHandler(); | |
262 | ||
263 | /** | |
264 | Add a style flag (e.g. wxMB_DOCKABLE) to the list of flags | |
265 | understood by this handler. | |
266 | */ | |
267 | void AddStyle(const wxString& name, int value); | |
268 | ||
269 | /** | |
270 | Add styles common to all wxWindow-derived classes. | |
271 | */ | |
272 | void AddWindowStyles(); | |
273 | ||
274 | /** | |
275 | Returns @true if it understands this node and can create | |
276 | a resource from it, @false otherwise. | |
277 | */ | |
278 | bool CanHandle(wxXmlNode* node); | |
279 | ||
280 | /** | |
281 | Creates children. | |
282 | */ | |
283 | void CreateChildren(wxObject* parent, bool this_hnd_only = @false); | |
284 | ||
285 | /** | |
286 | Helper function. | |
287 | */ | |
288 | void CreateChildrenPrivately(wxObject* parent, | |
289 | wxXmlNode* rootnode = @NULL); | |
290 | ||
291 | /** | |
292 | Creates a resource from a node. | |
293 | */ | |
294 | wxObject* CreateResFromNode(wxXmlNode* node, wxObject* parent, | |
295 | wxObject* instance = @NULL); | |
296 | ||
297 | /** | |
298 | Creates an object (menu, dialog, control, ...) from an XML node. | |
299 | Should check for validity. @e parent is a higher-level object (usually window, | |
300 | dialog or panel) | |
301 | that is often necessary to create the resource. | |
302 | If @b instance is non-@NULL it should not create a new instance via 'new' but | |
303 | should rather use this one, and call its Create method. | |
304 | */ | |
305 | wxObject* CreateResource(wxXmlNode* node, wxObject* parent, | |
306 | wxObject* instance); | |
307 | ||
308 | /** | |
309 | Called from CreateResource after variables | |
310 | were filled. | |
311 | */ | |
312 | wxObject* DoCreateResource(); | |
313 | ||
314 | /** | |
315 | ) | |
316 | ||
317 | Creates a animation from the filename specified in @e param. | |
318 | */ | |
319 | wxAnimation GetAnimation(); | |
320 | ||
321 | /** | |
322 | , @b wxSize@e size = wxDefaultSize) | |
323 | ||
324 | Gets a bitmap. | |
325 | */ | |
326 | wxBitmap GetBitmap(); | |
327 | ||
328 | /** | |
329 | Gets a bool flag (1, t, yes, on, @true are @true, everything else is @false). | |
330 | */ | |
331 | bool GetBool(const wxString& param, bool defaultv = @false); | |
332 | ||
333 | /** | |
334 | Gets colour in HTML syntax (#RRGGBB). | |
335 | */ | |
336 | wxColour GetColour(const wxString& param, | |
7c913512 | 337 | const wxColour& default = wxNullColour); |
23324ae1 FM |
338 | |
339 | /** | |
340 | Returns the current file system. | |
341 | */ | |
342 | wxFileSystem GetCurFileSystem(); | |
343 | ||
344 | /** | |
345 | Gets a dimension (may be in dialog units). | |
346 | */ | |
347 | wxCoord GetDimension(const wxString& param, wxCoord defaultv = 0); | |
348 | ||
349 | /** | |
350 | ) | |
351 | ||
352 | Gets a font. | |
353 | */ | |
354 | wxFont GetFont(); | |
355 | ||
356 | /** | |
357 | Returns the XRCID. | |
358 | */ | |
359 | #define int GetID() /* implementation is private */ | |
360 | ||
361 | /** | |
362 | , @b wxSize@e size = wxDefaultSize) | |
363 | ||
364 | Returns an icon. | |
365 | */ | |
366 | wxIcon GetIcon(); | |
367 | ||
368 | /** | |
369 | Gets the integer value from the parameter. | |
370 | */ | |
371 | long GetLong(const wxString& param, long defaultv = 0); | |
372 | ||
373 | /** | |
374 | Returns the resource name. | |
375 | */ | |
376 | wxString GetName(); | |
377 | ||
378 | /** | |
379 | Gets node content from wxXML_ENTITY_NODE. | |
380 | */ | |
381 | wxString GetNodeContent(wxXmlNode* node); | |
382 | ||
383 | /** | |
384 | Finds the node or returns @NULL. | |
385 | */ | |
386 | wxXmlNode* GetParamNode(const wxString& param); | |
387 | ||
388 | /** | |
389 | Finds the parameter value or returns the empty string. | |
390 | */ | |
391 | wxString GetParamValue(const wxString& param); | |
392 | ||
393 | /** | |
394 | ) | |
395 | ||
396 | Gets the position (may be in dialog units). | |
397 | */ | |
398 | wxPoint GetPosition(); | |
399 | ||
400 | /** | |
401 | ) | |
402 | ||
403 | Gets the size (may be in dialog units). | |
404 | */ | |
405 | wxSize GetSize(); | |
406 | ||
407 | /** | |
408 | , @b int@e defaults = 0) | |
409 | ||
410 | Gets style flags from text in form "flag | flag2| flag3 |..." | |
411 | Only understands flags added with AddStyle. | |
412 | */ | |
413 | int GetStyle(); | |
414 | ||
415 | /** | |
416 | Gets text from param and does some conversions: | |
417 | ||
418 | replaces \n, \r, \t by respective characters (according to C syntax) | |
419 | replaces @c $ by @c and @c $$ by @c $ (needed for @c _File to @c File | |
420 | translation because of XML syntax) | |
421 | calls wxGetTranslations (unless disabled in wxXmlResource) | |
422 | */ | |
423 | wxString GetText(const wxString& param); | |
424 | ||
425 | /** | |
426 | Check to see if a parameter exists. | |
427 | */ | |
428 | bool HasParam(const wxString& param); | |
429 | ||
430 | /** | |
431 | Convenience function. Returns @true if the node has a property class equal to | |
432 | classname, | |
433 | e.g. object class="wxDialog". | |
434 | */ | |
435 | bool IsOfClass(wxXmlNode* node, const wxString& classname); | |
436 | ||
437 | /** | |
438 | Sets the parent resource. | |
439 | */ | |
440 | void SetParentResource(wxXmlResource* res); | |
441 | ||
442 | /** | |
443 | Sets common window options. | |
444 | */ | |
445 | void SetupWindow(wxWindow* wnd); | |
446 | }; |