// Purpose: interface of wxXmlResource
// Author: wxWidgets team
// RCS-ID: $Id$
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+/**
+ Flags which can be used with wxXmlResource::wxXmlResource.
+*/
+enum wxXmlResourceFlags
+{
+ /** Translatable strings will be translated via _(). */
+ wxXRC_USE_LOCALE = 1,
+
+ /** Subclass property of object nodes will be ignored (useful for previews in XRC editors). */
+ wxXRC_NO_SUBCLASSING = 2,
+
+ /** Prevent the XRC files from being reloaded from disk in case they have been modified there
+ since being last loaded (may slightly speed up loading them). */
+ wxXRC_NO_RELOADING = 4
+};
+
+
/**
@class wxXmlResource
The class holds XML resources from one or more .xml files, binary files or zip
archive files.
- See @ref overview_xrcoverview "XML-based resource system overview" for details.
+ Note that this is a singleton class and you'll never allocate/deallocate it.
+ Just use the static wxXmlResource::Get() getter.
+
+ @see @ref overview_xrc, @ref overview_xrcformat
@library{wxxrc}
@category{xrc}
class wxXmlResource : public wxObject
{
public:
- //@{
/**
Constructor.
-
+
+ @param filemask
+ The XRC file, archive file, or wildcard specification that will be
+ used to load all resource files inside a zip archive.
@param flags
- wxXRC_USE_LOCALE: translatable strings will be translated via _().
- wxXRC_NO_SUBCLASSING: subclass property of object nodes will be ignored
- (useful for previews in XRC editors). wxXRC_NO_RELOADING will prevent the
- XRC files from being reloaded from disk in case they have been modified
- there
- since being last loaded (may slightly speed up loading them).
+ One or more value of the ::wxXmlResourceFlags enumeration.
@param domain
- The name of the gettext catalog to search for
- translatable strings. By default all loaded catalogs will be
- searched. This provides a way to allow the strings to only come
- from a specific catalog.
+ The name of the gettext catalog to search for translatable strings.
+ By default all loaded catalogs will be searched.
+ This provides a way to allow the strings to only come from a specific catalog.
*/
wxXmlResource(const wxString& filemask,
int flags = wxXRC_USE_LOCALE,
- const wxString domain = wxEmptyString);
+ const wxString& domain = wxEmptyString);
+
+ /**
+ Constructor.
+
+ @param flags
+ One or more value of the ::wxXmlResourceFlags enumeration.
+ @param domain
+ The name of the gettext catalog to search for translatable strings.
+ By default all loaded catalogs will be searched.
+ This provides a way to allow the strings to only come from a specific catalog.
+ */
wxXmlResource(int flags = wxXRC_USE_LOCALE,
- const wxString domain = wxEmptyString);
- //@}
+ const wxString& domain = wxEmptyString);
/**
Destructor.
*/
- ~wxXmlResource();
+ virtual ~wxXmlResource();
/**
- Initializes only a specific handler (or custom handler). Convention says
- that the handler name is equal to the control's name plus 'XmlHandler', for
- example
- wxTextCtrlXmlHandler, wxHtmlWindowXmlHandler. The XML resource compiler
- (wxxrc) can create include file that contains initialization code for
- all controls used within the resource. Note that this handler should be
- allocated on the heap, since it will be delete by
- ClearHandlers() later.
+ Initializes only a specific handler (or custom handler).
+ Convention says that the handler name is equal to the control's name plus
+ 'XmlHandler', for example wxTextCtrlXmlHandler, wxHtmlWindowXmlHandler.
+
+ The XML resource compiler (wxxrc) can create include file that contains
+ initialization code for all controls used within the resource.
+ Note that this handler must be allocated on the heap, since it will be
+ deleted by ClearHandlers() later.
*/
void AddHandler(wxXmlResourceHandler* handler);
/**
Attaches an unknown control to the given panel/window/dialog.
- Unknown controls are used in conjunction with object class="unknown".
+ Unknown controls are used in conjunction with \<object class="unknown"\>.
*/
bool AttachUnknownControl(const wxString& name,
wxWindow* control,
wxWindow* parent = NULL);
/**
- Removes all handlers and deletes them (this means that any handlers added using
- AddHandler() must be allocated on the heap).
+ Removes all handlers and deletes them (this means that any handlers
+ added using AddHandler() must be allocated on the heap).
*/
void ClearHandlers();
/**
- Compares the XRC version to the argument. Returns -1 if the XRC version
- is less than the argument, +1 if greater, and 0 if they equal.
+ Compares the XRC version to the argument.
+
+ Returns -1 if the XRC version is less than the argument,
+ +1 if greater, and 0 if they are equal.
*/
- int CompareVersion(int major, int minor, int release,
- int revision) const;
+ int CompareVersion(int major, int minor, int release, int revision) const;
+
+ /**
+ Returns a string ID corresponding to the given numeric ID.
+
+ The string returned is such that calling GetXRCID() with it as
+ parameter yields @a numId. If there is no string identifier
+ corresponding to the given numeric one, an empty string is returned.
+
+ Notice that, unlike GetXRCID(), this function is slow as it checks all
+ of the identifiers used in XRC.
+
+ @since 2.9.0
+ */
+ static wxString FindXRCIDById(int numId);
/**
Gets the global resources object or creates one if none exists.
*/
- wxXmlResource* Get();
+ static wxXmlResource* Get();
/**
Returns the domain (message catalog) that will be used to load
translatable strings in the XRC.
*/
- wxChar* GetDomain();
+ const wxString& GetDomain() const;
/**
- Returns flags, which may be a bitlist of wxXRC_USE_LOCALE and
- wxXRC_NO_SUBCLASSING.
+ Returns flags, which may be a bitlist of ::wxXmlResourceFlags
+ enumeration values.
+ */
+ int GetFlags() const;
+
+ /**
+ Returns the wxXmlNode containing the definition of the object with the
+ given name or @NULL.
+
+ This function recursively searches all the loaded XRC files for an
+ object with the specified @a name. If the object is found, the
+ wxXmlNode corresponding to it is returned, so this function can be used
+ to access additional information defined in the XRC file and not used
+ by wxXmlResource itself, e.g. contents of application-specific XML
+ tags.
+
+ @param name
+ The name of the resource which must be unique for this function to
+ work correctly, if there is more than one resource with the given
+ name the choice of the one returned by this function is undefined.
+ @return
+ The node corresponding to the resource with the given name or @NULL.
*/
- int GetFlags();
+ const wxXmlNode *GetResourceNode(const wxString& name) const;
/**
- Returns version information (a.b.c.d = d+ 256*c + 256@c 2*b + 256@c 3*a).
+ Returns version information (a.b.c.d = d + 256*c + 2562*b + 2563*a).
*/
long GetVersion() const;
/**
- Returns a numeric ID that is equivalent to the string ID used in an XML
- resource. If an unknown @a str_id is requested (i.e. other than wxID_XXX
- or integer), a new record is created which associates the given string with
- a number. If @a value_if_not_found is @c wxID_NONE, the number is obtained via
+ Returns a numeric ID that is equivalent to the string ID used in an XML resource.
+
+ If an unknown @a str_id is requested (i.e. other than wxID_XXX or integer),
+ a new record is created which associates the given string with a number.
+
+ If @a value_if_not_found is @c wxID_NONE, the number is obtained via
wxNewId(). Otherwise @a value_if_not_found is used.
+
Macro @c XRCID(name) is provided for convenient use in event tables.
+
+ @note IDs returned by XRCID() cannot be used with the <tt>EVT_*_RANGE</tt>
+ macros, because the order in which they are assigned to symbolic @a name
+ values is not guaranteed.
*/
-#define int GetXRCID(const wxString& str_id, int value_if_not_found = -2) /* implementation is private */
+ static int GetXRCID(const wxString& str_id, int value_if_not_found = wxID_NONE);
/**
- Initializes handlers for all supported controls/windows. This will
- make the executable quite big because it forces linking against
+ Initializes handlers for all supported controls/windows.
+
+ This will make the executable quite big because it forces linking against
most of the wxWidgets library.
*/
void InitAllHandlers();
/**
Loads resources from XML files that match given filemask.
- This method understands VFS (see filesys.h).
+
+ Example:
+ @code
+ if (!wxXmlResource::Get()->Load("rc/*.xrc"))
+ wxLogError("Couldn't load resources!");
+ @endcode
+
+ @note
+ If wxUSE_FILESYS is enabled, this method understands wxFileSystem URLs
+ (see wxFileSystem::FindFirst()).
+
+ @note
+ If you are sure that the argument is name of single XRC file (rather
+ than an URL or a wildcard), use LoadFile() instead.
+
+ @see LoadFile(), LoadAllFiles()
*/
bool Load(const wxString& filemask);
+ /**
+ Simpler form of Load() for loading a single XRC file.
+
+ @since 2.9.0
+
+ @see Load(), LoadAllFiles()
+ */
+ bool LoadFile(const wxFileName& file);
+
+ /**
+ Loads all .xrc files from directory @a dirname.
+
+ Tries to load as many files as possible; if there's an error while
+ loading one file, it still attempts to load other files.
+
+ @since 2.9.0
+
+ @see LoadFile(), Load()
+ */
+ bool LoadAllFiles(const wxString& dirname);
+
/**
Loads a bitmap resource from a file.
*/
wxBitmap LoadBitmap(const wxString& name);
- //@{
/**
- Loads a dialog. @a dlg points to parent window (if any).
+ Loads a dialog. @a parent points to parent window (if any).
+ */
+ wxDialog* LoadDialog(wxWindow* parent, const wxString& name);
+
+ /**
+ Loads a dialog. @a parent points to parent window (if any).
+
This form is used to finish creation of an already existing instance (the main
- reason
- for this is that you may want to use derived class with a new event table).
+ reason for this is that you may want to use derived class with a new event table).
Example:
+
+ @code
+ MyDialog dlg;
+ wxXmlResource::Get()->LoadDialog(&dlg, mainFrame, "my_dialog");
+ dlg.ShowModal();
+ @endcode
*/
- wxDialog* LoadDialog(wxWindow* parent, const wxString& name);
- bool LoadDialog(wxDialog* dlg, wxWindow* parent,
- const wxString& name);
- //@}
+ bool LoadDialog(wxDialog* dlg, wxWindow* parent, const wxString& name);
/**
Loads a frame.
/**
Load an object from the resource specifying both the resource name and the
class name.
- The first overload lets you load nonstandard container windows and returns @c
- @NULL
- on failure. The second one lets you finish the creation of an existing
+
+ The first overload lets you load nonstandard container windows and returns
+ @NULL on failure. The second one lets you finish the creation of an existing
instance and returns @false on failure.
+
+ In either case, only the resources defined at the top level of XRC
+ files can be loaded by this function, use LoadObjectRecursively() if
+ you need to load an object defined deeper in the hierarchy.
*/
wxObject* LoadObject(wxWindow* parent, const wxString& name,
const wxString& classname);
//@{
/**
- Loads a panel. @a panel points to parent window (if any). This form
- is used to finish creation of an already existing instance.
+ Load an object from anywhere in the resource tree.
+
+ These methods are similar to LoadObject() but may be used to load an
+ object from anywhere in the resource tree and not only the top level.
+ Note that you will very rarely need to do this as in normal use the
+ entire container window (defined at the top level) is loaded and not
+ its individual children but this method can be useful in some
+ particular situations.
+
+ @since 2.9.1
*/
- wxPanel* LoadPanel(wxWindow* parent, const wxString& name);
- bool LoadPanel(wxPanel* panel, wxWindow* parent,
- const wxString& name);
+ wxObject* LoadObjectRecursively(wxWindow* parent,
+ const wxString& name,
+ const wxString& classname);
+ bool LoadObjectRecursively(wxObject* instance, wxWindow* parent,
+ const wxString& name,
+ const wxString& classname);
//@}
+ /**
+ Loads a panel. @a parent points to the parent window.
+ */
+ wxPanel* LoadPanel(wxWindow* parent, const wxString& name);
+
+ /**
+ Loads a panel. @a parent points to the parent window.
+ This form is used to finish creation of an already existing instance.
+ */
+ bool LoadPanel(wxPanel* panel, wxWindow* parent, const wxString& name);
+
/**
Loads a toolbar.
*/
wxToolBar* LoadToolBar(wxWindow* parent, const wxString& name);
/**
- Sets the global resources object and returns a pointer to the previous one (may
- be @NULL).
+ Sets the global resources object and returns a pointer to the previous one
+ (may be @NULL).
*/
- wxXmlResource* Set(wxXmlResource* res);
+ static wxXmlResource* Set(wxXmlResource* res);
/**
Sets the domain (message catalog) that will be used to load
translatable strings in the XRC.
*/
- wxChar* SetDomain(const wxChar* domain);
+ void SetDomain(const wxString& domain);
/**
- Sets flags (bitlist of wxXRC_USE_LOCALE and wxXRC_NO_SUBCLASSING).
+ Sets flags (bitlist of ::wxXmlResourceFlags enumeration values).
*/
void SetFlags(int flags);
/**
- This function unloads a resource previously loaded by
- Load().
+ This function unloads a resource previously loaded by Load().
+
Returns @true if the resource was successfully unloaded and @false if it
- hasn't
- been found in the list of loaded resources.
+ hasn't been found in the list of loaded resources.
*/
bool Unload(const wxString& filename);
+
+protected:
+ /**
+ Reports error in XRC resources to the user.
+
+ Any errors in XRC input files should be reported using this method
+ (or its wxXmlResourceHandler::ReportError() equivalent). Unlike
+ wxLogError(), this method presents the error to the user in a more
+ usable form. In particular, the output is compiler-like and contains
+ information about the exact location of the error.
+
+ @param context XML node the error occurred in or relates to. This can
+ be @NULL, but should be the most specific node possible,
+ as its line number is what is reported to the user.
+ @param message Text of the error message. This string should always
+ be in English (i.e. not wrapped in _()). It shouldn't
+ be a sentence -- it should start with lower-case letter
+ and shouldn't have a trailing period or exclamation
+ point.
+
+ @since 2.9.0
+
+ @see wxXmlResourceHandler::ReportError(), DoReportError()
+ */
+ void ReportError(const wxXmlNode *context, const wxString& message);
+
+ /**
+ Implementation of XRC resources errors reporting.
+
+ This method is called by ReportError() and shouldn't be called
+ directly; use ReportError() or wxXmlResourceHandler::ReportError()
+ to log errors.
+
+ Default implementation uses wxLogError().
+
+ @param xrcFile File the error occurred in or empty string if it
+ couldn't be determined.
+ @param position XML node where the error occurred or @NULL if it
+ couldn't be determined.
+ @param message Text of the error message. See ReportError()
+ documentation for details of the string's format.
+
+ @note
+ You may override this method in a derived class to customize errors
+ reporting. If you do so, you'll need to either use the derived class
+ in all your code or call wxXmlResource::Set() to change the global
+ wxXmlResource instance to your class.
+
+ @since 2.9.0
+
+ @see ReportError()
+ */
+ virtual void DoReportError(const wxString& xrcFile, const wxXmlNode *position,
+ const wxString& message);
};
wxXmlResourceHandler is an abstract base class for resource handlers
capable of creating a control from an XML node.
- See @ref overview_xrcoverview "XML-based resource system overview" for details.
+ See @ref overview_xrc for details.
@library{wxxrc}
@category{xrc}
/**
Destructor.
*/
- ~wxXmlResourceHandler();
+ virtual ~wxXmlResourceHandler();
/**
- Add a style flag (e.g. wxMB_DOCKABLE) to the list of flags
- understood by this handler.
+ Creates an object (menu, dialog, control, ...) from an XML node.
+ Should check for validity. @a parent is a higher-level object
+ (usually window, dialog or panel) that is often necessary to
+ create the resource.
+
+ If @b instance is non-@NULL it should not create a new instance via
+ 'new' but should rather use this one, and call its Create method.
*/
- void AddStyle(const wxString& name, int value);
+ wxObject* CreateResource(wxXmlNode* node, wxObject* parent,
+ wxObject* instance);
/**
- Add styles common to all wxWindow-derived classes.
+ Called from CreateResource after variables were filled.
*/
- void AddWindowStyles();
+ virtual wxObject* DoCreateResource() = 0;
/**
Returns @true if it understands this node and can create
a resource from it, @false otherwise.
+
+ @note
+ You must not call any wxXmlResourceHandler methods except IsOfClass()
+ from this method! The instance is not yet initialized with node data
+ at the time CanHandle() is called and it is only safe to operate on
+ node directly or to call IsOfClass().
+ */
+ virtual bool CanHandle(wxXmlNode* node) = 0;
+
+ /**
+ Sets the parent resource.
+ */
+ void SetParentResource(wxXmlResource* res);
+
+
+protected:
+
+ /**
+ Add a style flag (e.g. @c wxMB_DOCKABLE) to the list of flags
+ understood by this handler.
+ */
+ void AddStyle(const wxString& name, int value);
+
+ /**
+ Add styles common to all wxWindow-derived classes.
*/
- bool CanHandle(wxXmlNode* node);
+ void AddWindowStyles();
/**
Creates children.
wxObject* instance = NULL);
/**
- Creates an object (menu, dialog, control, ...) from an XML node.
- Should check for validity. @a parent is a higher-level object (usually window,
- dialog or panel)
- that is often necessary to create the resource.
- If @b instance is non-@NULL it should not create a new instance via 'new' but
- should rather use this one, and call its Create method.
+ Creates an animation (see wxAnimation) from the filename specified in @a param.
*/
- wxObject* CreateResource(wxXmlNode* node, wxObject* parent,
- wxObject* instance);
+ wxAnimation GetAnimation(const wxString& param = "animation");
/**
- Called from CreateResource after variables
- were filled.
+ Gets a bitmap.
*/
- wxObject* DoCreateResource();
-
+ wxBitmap GetBitmap(const wxString& param = "bitmap",
+ const wxArtClient& defaultArtClient = wxART_OTHER,
+ wxSize size = wxDefaultSize);
/**
- )
- Creates a animation() from the filename specified in @e param.
- */
- wxAnimation GetAnimation();
+ Gets a bitmap from an XmlNode.
- /**
- , @b wxSize@e size = wxDefaultSize)
- Gets a bitmap.
+ @since 2.9.1
*/
- wxBitmap GetBitmap();
+ wxBitmap GetBitmap(const wxXmlNode* node,
+ const wxArtClient& defaultArtClient = wxART_OTHER,
+ wxSize size = wxDefaultSize);
/**
- Gets a bool flag (1, t, yes, on, @true are @true, everything else is @false).
+ Gets a bool flag (1, t, yes, on, true are @true, everything else is @false).
*/
bool GetBool(const wxString& param, bool defaultv = false);
/**
- Gets colour in HTML syntax (#RRGGBB).
+ Gets colour in HTML syntax (\#RRGGBB).
*/
wxColour GetColour(const wxString& param,
- const wxColour& default = wxNullColour);
+ const wxColour& defaultColour = wxNullColour);
/**
Returns the current file system.
*/
- wxFileSystem GetCurFileSystem();
+ wxFileSystem& GetCurFileSystem();
/**
Gets a dimension (may be in dialog units).
*/
- wxCoord GetDimension(const wxString& param, wxCoord defaultv = 0);
+ wxCoord GetDimension(const wxString& param, wxCoord defaultv = 0,
+ wxWindow* windowToUse = 0);
/**
- )
Gets a font.
*/
- wxFont GetFont();
+ wxFont GetFont(const wxString& param = "font");
/**
Returns the XRCID.
int GetID();
/**
- , @b wxSize@e size = wxDefaultSize)
Returns an icon.
*/
- wxIcon GetIcon();
+ wxIcon GetIcon(const wxString& param = "icon",
+ const wxArtClient& defaultArtClient = wxART_OTHER,
+ wxSize size = wxDefaultSize);
+
+ /**
+ Gets an icon from an XmlNode.
+
+ @since 2.9.1
+ */
+ wxIcon GetIcon(const wxXmlNode* node,
+ const wxArtClient& defaultArtClient = wxART_OTHER,
+ wxSize size = wxDefaultSize);
+
+ /**
+ Returns an icon bundle.
+
+ @note
+ Bundles can be loaded either with stock IDs or from files that contain
+ more than one image (e.g. Windows icon files). If a file contains only
+ single image, a bundle with only one icon will be created.
+
+ @since 2.9.0
+ */
+ wxIconBundle GetIconBundle(const wxString& param,
+ const wxArtClient& defaultArtClient = wxART_OTHER);
+
+ /**
+ Creates an image list from the @a param markup data.
+
+ @return
+ The new instance of wxImageList or @NULL if no data is found.
+
+ @since 2.9.1
+ */
+ wxImageList *GetImageList(const wxString& param = wxT("imagelist"));
/**
Gets the integer value from the parameter.
wxString GetParamValue(const wxString& param);
/**
- )
+ Returns the node parameter value.
+
+ @since 2.9.1
+ */
+ wxString GetParamValue(const wxXmlNode* node);
+
+ /**
Gets the position (may be in dialog units).
*/
- wxPoint GetPosition();
+ wxPoint GetPosition(const wxString& param = "pos");
/**
- )
Gets the size (may be in dialog units).
*/
- wxSize GetSize();
+ wxSize GetSize(const wxString& param = "size", wxWindow* windowToUse = 0);
/**
- , @b int@e defaults = 0)
Gets style flags from text in form "flag | flag2| flag3 |..."
- Only understands flags added with AddStyle.
+ Only understands flags added with AddStyle().
*/
- int GetStyle();
+ int GetStyle(const wxString& param = "style", int defaults = 0);
/**
Gets text from param and does some conversions:
- replaces \\n, \\r, \\t by respective characters (according to C syntax)
- replaces @c $ by @c and @c $$ by @c $ (needed for @c _File to @c File
- translation because of XML syntax)
- calls wxGetTranslations (unless disabled in wxXmlResource)
+ - replaces \\n, \\r, \\t by respective characters (according to C syntax)
+ - replaces @c $ by @c and @c $$ by @c $ (needed for @c _File to @c File
+ translation because of XML syntax)
+ - calls wxGetTranslations (unless disabled in wxXmlResource)
*/
- wxString GetText(const wxString& param);
+ wxString GetText(const wxString& param, bool translate = true);
/**
Check to see if a parameter exists.
bool HasParam(const wxString& param);
/**
- Convenience function. Returns @true if the node has a property class equal to
- classname,
+ Convenience function.
+ Returns @true if the node has a property class equal to classname,
e.g. object class="wxDialog".
*/
bool IsOfClass(wxXmlNode* node, const wxString& classname);
- /**
- Sets the parent resource.
- */
- void SetParentResource(wxXmlResource* res);
-
/**
Sets common window options.
*/
void SetupWindow(wxWindow* wnd);
+
+ /**
+ Reports error in XRC resources to the user.
+
+ See wxXmlResource::ReportError() for more information.
+
+ @since 2.9.0
+ */
+ void ReportError(wxXmlNode *context, const wxString& message);
+
+ /**
+ Like ReportError(wxXmlNode*, const wxString&), but uses the node
+ of currently processed object (m_node) as the context.
+
+ @since 2.9.0
+ */
+ void ReportError(const wxString& message);
+
+ /**
+ Like ReportError(wxXmlNode*, const wxString&), but uses the node
+ of parameter @a param of the currently processed object as the context.
+ This is convenience function for reporting errors in particular
+ parameters.
+
+ @since 2.9.0
+ */
+ void ReportParamError(const wxString& param, const wxString& message);
};
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