reset the associated view frame pointer when the frame is deleted directly instead...

[wxWidgets.git] / interface / wx / xrc / xmlres.h

diff --git a/interface/wx/xrc/xmlres.h b/interface/wx/xrc/xmlres.h
index b78f925e71072c1edf731d6d899db419f3633212..460b7fa71422073aa14430832a35496fccd9f339 100644 (file)
--- a/interface/wx/xrc/xmlres.h
+++ b/interface/wx/xrc/xmlres.h
@@ -6,6 +6,23 @@
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 

+/**
+    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
 
 /**
     @class wxXmlResource
 


@@ -14,7 +31,10 @@
     The class holds XML resources from one or more .xml files, binary files or zip
     archive files.
 
     The class holds XML resources from one or more .xml files, binary files or zip
     archive files.
 

-    @see @ref overview_xrc, @ref xrc_format
+    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}
 
     @library{wxxrc}
     @category{xrc}


@@ -22,130 +42,205 @@
 class wxXmlResource : public wxObject
 {
 public:
 class wxXmlResource : public wxObject
 {
 public:

-    //@{

     /**
         Constructor.
     /**
         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
         @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
         @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,
     */
     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,
     wxXmlResource(int flags = wxXRC_USE_LOCALE,

-                  const wxString domain = wxEmptyString);
-    //@}
+                  const wxString& domain = wxEmptyString);

 
     /**
         Destructor.
     */
 
     /**
         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.
     */
     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);
 
     /**
     */
     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();
 
     /**
     */
     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 are 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.
     */
 
     /**
         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.
     */
 
     /**
         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();
+    int GetFlags() const;

 
     /**
 
     /**

-        Returns version information (a.b.c.d = d+ 256*c + 256@c 2*b + 256@c 3*a).
+        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.
+    */
+    const wxXmlNode *GetResourceNode(const wxString& name) const;
+
+    /**
+        Returns version information (a.b.c.d = d + 256*c + 2562*b + 2563*a).

     */
     long GetVersion() const;
 
     /**
     */
     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.
     */
         wxNewId(). Otherwise @a value_if_not_found is used.
         Macro @c XRCID(name) is provided for convenient use in event tables.
     */

-#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.
         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()

     */
     bool Load(const wxString& filemask);
 
     */
     bool Load(const wxString& filemask);
 

+    /**
+        Simpler form of Load() for loading a single XRC file.
+
+        @since 2.9.0
+
+        @see Load()
+    */
+    bool LoadFile(const wxFileName& file);
+

     /**
         Loads a bitmap resource from a file.
     */
     wxBitmap LoadBitmap(const wxString& name);
 
     /**
         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
         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:
         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.
 
     /**
         Loads a frame.


@@ -175,9 +270,9 @@ public:
     /**
         Load an object from the resource specifying both the resource name and the
         class name.
     /**
         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.
     */
     wxObject* LoadObject(wxWindow* parent, const wxString& name,
         instance and returns @false on failure.
     */
     wxObject* LoadObject(wxWindow* parent, const wxString& name,


@@ -187,15 +282,16 @@ public:
                     const wxString& classname);
     //@}
 
                     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.
+        Loads a panel. @a parent points to the parent window.

     */
     wxPanel* LoadPanel(wxWindow* parent, const wxString& name);
     */
     wxPanel* LoadPanel(wxWindow* parent, const wxString& name);

-    bool LoadPanel(wxPanel* panel, 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.
 
     /**
         Loads a toolbar.


@@ -203,28 +299,27 @@ public:
     wxToolBar* LoadToolBar(wxWindow* parent, const wxString& name);
 
     /**
     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.
     */
 
     /**
         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);
 
     /**
     */
     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
         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);
 };
     */
     bool Unload(const wxString& filename);
 };


@@ -237,7 +332,7 @@ public:
     wxXmlResourceHandler is an abstract base class for resource handlers
     capable of creating a control from an XML node.
 
     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}
 
     @library{wxxrc}
     @category{xrc}


@@ -253,24 +348,55 @@ public:
     /**
         Destructor.
     */
     /**
         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.
 
     /**
         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.

     */
     */

-    bool CanHandle(wxXmlNode* node);
+    void AddStyle(const wxString& name, int value);
+
+    /**
+        Add styles common to all wxWindow-derived classes.
+    */
+    void AddWindowStyles();

 
     /**
         Creates children.
 
     /**
         Creates children.


@@ -290,36 +416,19 @@ public:
                                 wxObject* instance = NULL);
 
     /**
                                 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);
-
-    /**
-        Called from CreateResource after variables
-        were filled.
-    */
-    wxObject* DoCreateResource();
-
-    /**
-        )
-        Creates a animation() from the filename specified in @e param.
-    */
-    wxAnimation GetAnimation();
+    wxAnimation GetAnimation(const wxString& param = "animation");

 
     /**
 
     /**

-        , @b wxSize@e size = wxDefaultSize)

         Gets a bitmap.
     */
         Gets a bitmap.
     */

-    wxBitmap GetBitmap();
+    wxBitmap GetBitmap(const wxString& param = "bitmap",
+                       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);
 
     */
     bool GetBool(const wxString& param, bool defaultv = false);
 


@@ -327,23 +436,23 @@ public:
         Gets colour in HTML syntax (\#RRGGBB).
     */
     wxColour GetColour(const wxString& param,
         Gets colour in HTML syntax (\#RRGGBB).
     */
     wxColour GetColour(const wxString& param,

-                   const wxColour& default = wxNullColour);
+                       const wxColour& defaultColour = wxNullColour);

 
     /**
         Returns the current file system.
     */
 
     /**
         Returns the current file system.
     */

-    wxFileSystem GetCurFileSystem();
+    wxFileSystem& GetCurFileSystem();

 
     /**
         Gets a dimension (may be in dialog units).
     */
 
     /**
         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.
     */
         Gets a font.
     */

-    wxFont GetFont();
+    wxFont GetFont(const wxString& param = "font");

 
     /**
         Returns the XRCID.
 
     /**
         Returns the XRCID.


@@ -351,10 +460,11 @@ public:
     int GetID();
 
     /**
     int GetID();
 
     /**

-        , @b wxSize@e size = wxDefaultSize)

         Returns an icon.
     */
         Returns an icon.
     */

-    wxIcon GetIcon();
+    wxIcon GetIcon(const wxString& param = "icon",
+                   const wxArtClient& defaultArtClient = wxART_OTHER,
+                   wxSize size = wxDefaultSize);

 
     /**
         Gets the integer value from the parameter.
 
     /**
         Gets the integer value from the parameter.


@@ -382,32 +492,29 @@ public:
     wxString GetParamValue(const wxString& param);
 
     /**
     wxString GetParamValue(const wxString& param);
 
     /**

-        )

         Gets the position (may be in dialog units).
     */
         Gets the position (may be in dialog units).
     */

-    wxPoint GetPosition();
+    wxPoint GetPosition(const wxString& param = "pos");

 
     /**
 
     /**

-        )

         Gets the size (may be in dialog units).
     */
         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 |..."
         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:
 
     /**
         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.
 
     /**
         Check to see if a parameter exists.


@@ -415,17 +522,12 @@ public:
     bool HasParam(const wxString& param);
 
     /**
     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);
 
         e.g. object class="wxDialog".
     */
     bool IsOfClass(wxXmlNode* node, const wxString& classname);
 

-    /**
-        Sets the parent resource.
-    */
-    void SetParentResource(wxXmlResource* res);
-

     /**
         Sets common window options.
     */
     /**
         Sets common window options.
     */