compate charset names case-insensitively in GetEncodingFromName()

[wxWidgets.git] / docs / tech / tn0014.txt

diff --git a/docs/tech/tn0014.txt b/docs/tech/tn0014.txt
index cf95ed05ab9783cb6ebc92736e222b5d8d3fd797..ad482a4f9ed5044eef9885a52299baacaceaca22 100644 (file)
--- a/docs/tech/tn0014.txt
+++ b/docs/tech/tn0014.txt
@@ -13,8 +13,10 @@ dialog editors with XRC support.
 If you only want to use the resources, you can choose from a number of editors:
   a) wxDesigner (http://www.roebling.de)
   b) XRCed (wxPython/tools)
 If you only want to use the resources, you can choose from a number of editors:
   a) wxDesigner (http://www.roebling.de)
   b) XRCed (wxPython/tools)

-  c) wxWorkshop (http://wxworkshop.sf.net)
-  b) wxrcedit (contrib/utils/wxrcedit)
+  c) DialogBlocks (wxPython/tools)
+
+and others listed on the Resources section of the wxWidgets web
+site.

 
 The XRC format is based on XML 1.0 (please consult W3C's specification). There
 is no DTD available since it is not possible to fully describe the format with
 
 The XRC format is based on XML 1.0 (please consult W3C's specification). There
 is no DTD available since it is not possible to fully describe the format with


@@ -35,11 +37,11 @@ NODE, PROPERTY and VALUE in the XML sense:
 
 The term ATTRIBUTE is specific to XRC and refers to a subnode 
 of an <object> or <object_ref> node that is itself not <object> or <object_ref>. 
 
 The term ATTRIBUTE is specific to XRC and refers to a subnode 
 of an <object> or <object_ref> node that is itself not <object> or <object_ref>. 

-In the example bellow, <pos>, <label> and <style> are attributes, while neither 
+In the example below, <pos>, <label> and <style> are attributes, while neither 

 <resource> nor either of <object>s is:
 
     <?xml version="1.0" encoding="utf-8">
 <resource> nor either of <object>s is:
 
     <?xml version="1.0" encoding="utf-8">

-    <resource xmlns="http://www.wxwindows.org/wxxrc" version="2.3.0.1">
+    <resource xmlns="http://www.wxwidgets.org/wxxrc" version="2.5.3.0">

         <object class="wxPanel">
             <style>wxSUNKEN_BORDER</style>             <!-- attr -->
             <object class="wxStaticText">
         <object class="wxPanel">
             <style>wxSUNKEN_BORDER</style>             <!-- attr -->
             <object class="wxStaticText">


@@ -60,7 +62,7 @@ can think of it as attribute value syntax definition).
 =========================
 
 XRC resource file is a well-formed XML 1.0 document. All elements of XRC file
 =========================
 
 XRC resource file is a well-formed XML 1.0 document. All elements of XRC file

-are from the http://www.wxwindows.org/wxxrc namespace. 
+are from the http://www.wxwidgets.org/wxxrc namespace. 

 
 The root node of XRC document must be <resource>. The <resource> node has 
 optional "version" property. Default version  (in absence of the version 
 
 The root node of XRC document must be <resource>. The <resource> node has 
 optional "version" property. Default version  (in absence of the version 


@@ -68,9 +70,9 @@ property) is "0.0.0.0". The version consists of four integers separated by
 periods. Version of XRC format changes only if there was an incompatible 
 change introduced (i.e. either the library cannot understand old resource 
 files or older versions of the library wouldn't understand the new format).
 periods. Version of XRC format changes only if there was an incompatible 
 change introduced (i.e. either the library cannot understand old resource 
 files or older versions of the library wouldn't understand the new format).

-The first three integers are major, minor and release number of the wxWindows 
+The first three integers are major, minor and release number of the wxWidgets 

 release when the change was introduced, the last one is revision number and 
 release when the change was introduced, the last one is revision number and 

-is 0 for the first incompatible change in given wxWindows release, 1 for 
+is 0 for the first incompatible change in given wxWidgets release, 1 for 

 the second etc.
 
 Differences between versions are described within this document in paragraphs
 the second etc.
 
 Differences between versions are described within this document in paragraphs


@@ -78,24 +80,24 @@ entitled "Version Note".
 
 The <resource> node contains namespace declaration, too:
 
 
 The <resource> node contains namespace declaration, too:
 

-    <resource xmlns="http://www.wxwindows.org/wxxrc" version="2.3.0.1">
+    <resource xmlns="http://www.wxwidgets.org/wxxrc" version="2.5.3.0">

 
 The <resource> node is only allowed to have <object> and <object_ref>
 subnodes, all of which must have the "name" property.
 
 The <object> node represents a single object (GUI element) and it usually maps
 
 The <resource> node is only allowed to have <object> and <object_ref>
 subnodes, all of which must have the "name" property.
 
 The <object> node represents a single object (GUI element) and it usually maps

-directly to a wxWindows class instance. It three properties: "name", "class"
-and "subclass". "class" must always be present, it tells XRC what wxWindows
+directly to a wxWidgets class instance. It three properties: "name", "class"
+and "subclass". "class" must always be present, it tells XRC what wxWidgets

 object should be created in this place. The other two are optional.  "name" is
 ID used to identify the object. It is the value passed to the XRCID() macro and
 is also used to construct wxWindow's id and name attributes and must be unique
 object should be created in this place. The other two are optional.  "name" is
 ID used to identify the object. It is the value passed to the XRCID() macro and
 is also used to construct wxWindow's id and name attributes and must be unique

-among all children of the neareset container object (wxDialog, wxFrame,
-wxPanel, wxNotebook) upside from the object in XML nodes hiearchy (two distinct
+among all children of the nearest container object (wxDialog, wxFrame,
+wxPanel, wxNotebook) upside from the object in XML nodes hierarchy (two distinct

 containers may contain objects with same "name", though). "subclass" is
 optional name of class whose constructor will be called instead of the
 constructor for "class". Subclass must be available in the program that loads
 the resource, must be derived from "class" and must be registered within
 containers may contain objects with same "name", though). "subclass" is
 optional name of class whose constructor will be called instead of the
 constructor for "class". Subclass must be available in the program that loads
 the resource, must be derived from "class" and must be registered within

-wxWindows' RTTI system.
+wxWidgets' RTTI system.

 
 Example:
 
 
 Example:
 


@@ -109,10 +111,10 @@ is allowed to register new object handlers within XRC and extend it to accept
 new <object> classes (and therefore different <object>'s child nodes).
 
 <object_ref> node is identical to <object>, except that it does _not_ have
 new <object> classes (and therefore different <object>'s child nodes).
 
 <object_ref> node is identical to <object>, except that it does _not_ have

-"class" property and has additonal required property "ref". It's concept is
+"class" property and has additional required property "ref". Its concept is

 similar to Unix symlinks: value of the "ref" property is equal to the value of
 "name" property of some existing node (called referred node) in the resources
 similar to Unix symlinks: value of the "ref" property is equal to the value of
 "name" property of some existing node (called referred node) in the resources

-(not neccessary top-level).  Referred node's "class" property and all subnodes
+(not necessary top-level).  Referred node's "class" property and all subnodes

 are copied in place of the referee <object_ref> node which is then processed as
 regular <object> node. If the <object_ref> node itself has child nodes, then
 these nodes _override_ any nodes from the referred node.
 are copied in place of the referee <object_ref> node which is then processed as
 regular <object> node. If the <object_ref> node itself has child nodes, then
 these nodes _override_ any nodes from the referred node.


@@ -150,11 +152,13 @@ String
 ------
 Any text. Some characters have special interpretation and are translated
 by XRC parser according to this table:
 ------
 Any text. Some characters have special interpretation and are translated
 by XRC parser according to this table:

-    "_"    -> "&"  ('&' is used to underline e.g. menu items in wxWindows)
+    "_"    -> "&"  ('&' is used to underline e.g. menu items in wxWidgets)

     "__"   -> "_"
     "\n"   -> line break (C character '\n')
     "\r"   -> carriage return (C character '\r')
     "__"   -> "_"
     "\n"   -> line break (C character '\n')
     "\r"   -> carriage return (C character '\r')

-    "\t"   -> tabelator (C character '\t')
+    "\t"   -> tab (C character '\t')
+    "\\"   -> "\"
+              (introduced in version 2.5.3.0, not done in earlier versions)

 
 Version Note:
     '$' was used instead of '_' prior to version 2.3.0.1.
 
 Version Note:
     '$' was used instead of '_' prior to version 2.3.0.1.


@@ -194,10 +198,10 @@ Style[wxSomeClass]
 ------------------
 List of style flags that can be passed to wxSomeClass' constructor. Flags are
 written in same way as in C++ code (e.g. "wxSUNKEN_BORDER",
 ------------------
 List of style flags that can be passed to wxSomeClass' constructor. Flags are
 written in same way as in C++ code (e.g. "wxSUNKEN_BORDER",

-"wxHW_SCROLLBAR_NEVER") and are delimined with any combination of whitespaces
+"wxHW_SCROLLBAR_NEVER") and are delimited with any combination of whitespaces

 and '|'. Possible flags are class-dependent and are not described in this
 and '|'. Possible flags are class-dependent and are not described in this

-technote. Please refer to wxWindows manual for all styles that given class can
-accept; if XRC does not accept a flag listed in wxWindows documentation, it is
+technote. Please refer to wxWidgets manual for all styles that given class can
+accept; if XRC does not accept a flag listed in wxWidgets documentation, it is

 a bug.
 
 
 a bug.
 
 


@@ -207,14 +211,14 @@ Attribute value is interpreted as filename (either absolute or relative to
 the location of XRC resource file). In addition, attribute node may have
 "stock_id" and "stock_client" properties. Their values may be any of wxArtID (or
 wxArtClient respectively) values as used by wxArtProvider (because the user may
 the location of XRC resource file). In addition, attribute node may have
 "stock_id" and "stock_client" properties. Their values may be any of wxArtID (or
 wxArtClient respectively) values as used by wxArtProvider (because the user may

-define own constants, efectively any string is legal here). Examples are
+define own constants, effectively any string is legal here). Examples are

 "wxART_FILE_OPEN" (id) or "wxART_MENU" (client).
 
 Any of "stock_id" or "stock_client" properties or the filename may be omitted.
 XRC determines the bitmap to use according to this algorithm: 
   1. If there is non-empty "stock_id" property, query wxArtProvider for the
      bitmap (if there is no "stock_client", use default one, which is usually
 "wxART_FILE_OPEN" (id) or "wxART_MENU" (client).
 
 Any of "stock_id" or "stock_client" properties or the filename may be omitted.
 XRC determines the bitmap to use according to this algorithm: 
   1. If there is non-empty "stock_id" property, query wxArtProvider for the
      bitmap (if there is no "stock_client", use default one, which is usually

-     wxART_OTHER; exceptions are noted in class-specific sections bellow). If
+     wxART_OTHER; exceptions are noted in class-specific sections below). If

      the query fails, continue to 2.
   2. Load the bitmap from the file in attribute value.
 
      the query fails, continue to 2.
   2. Load the bitmap from the file in attribute value.
 


@@ -224,6 +228,55 @@ Boolean
 Boolean value, either "0" (false) or "1" (true).
 
 
 Boolean value, either "0" (false) or "1" (true).
 
 

+Font
+----
+Font value. A font can be described either in terms of its elementary
+properties, or it can be derived from one of system fonts. The font node
+may contain following subnodes (the table lists subnode name on the left and
+variable type as per the definitions above on the right side):
+
+size            UnsignedInteger
+style           normal | italic | slant
+weight          normal | bold | light
+family          roman | script | decorative | swiss | modern | teletype
+underlined      Boolean
+face            comma-separated list of faces
+encoding        charset of the font (meaningless in Unicode build), as string
+sysfont         symbolic name of system standard font
+                (one of wxSYS_*_FONT constants)
+relativesize    Float, font size relative to choosen system font's size;
+                can only be used when 'sysfont' is used and when 'size' is not
+                used
+
+All of them are optional, if they are missing, wxFont default is used.
+
+Examples:
+    
+    <font>
+        <face>arial,helvetica</face>
+        <size>12</size>
+    </font>
+    
+    <font>
+        <sysfont>wxSYS_DEFAULT_GUI_FONT</sysfont>
+        <weight>bold</weight>
+        <relativesize>1.5</relativesize>
+    </font>
+
+
+Colour
+------
+A colour value is either explicit RGB value in the standard #rrggbb format
+where rr, gg and bb are hexadecimal case-insensitive values in the 00..FF
+range, or a symbolic name. Symbolic names are wxSYS_COLOUR_* constants defined
+by wxWidgets, written as strings.
+
+Example:
+
+    <bg>wxSYS_COLOUR_SCROLLBAR</bg>
+    <fg>#FF0000</fg>
+
+

 
 4. Supported classes
 ====================
 
 4. Supported classes
 ====================


@@ -250,7 +303,7 @@ Identical to wxBitmap class, except that it creates wxIcon instead of wxBitmap.
 
 wxButton
 --------
 
 wxButton
 --------

-position                   Position                -1,-1
+pos                        Position                -1,-1

 size                       Size                    -1,-1
 style                      Style[wxButton]    
 
 size                       Size                    -1,-1
 style                      Style[wxButton]    
 


@@ -261,14 +314,14 @@ default                    Boolean                 false
 
 wxCalendarCtrl
 --------------
 
 wxCalendarCtrl
 --------------

-position                   Position                -1,-1
+pos                        Position                -1,-1

 size                       Size                    -1,-1
 style                      Style[wxCalendarCtrl]
 
 
 wxCheckBox
 ----------
 size                       Size                    -1,-1
 style                      Style[wxCalendarCtrl]
 
 
 wxCheckBox
 ----------

-position                   Position                -1,-1
+pos                        Position                -1,-1

 size                       Size                    -1,-1
 style                      Style[wxCheckBox]
 checked                    Boolean                 false
 size                       Size                    -1,-1
 style                      Style[wxCheckBox]
 checked                    Boolean                 false


@@ -276,10 +329,10 @@ checked                    Boolean                 false
 
 wxCheckList
 -----------
 
 wxCheckList
 -----------

-position                   Position                -1,-1
+pos                        Position                -1,-1

 size                       Size                    -1,-1
 style                      Style[wxCheckList]
 size                       Size                    -1,-1
 style                      Style[wxCheckList]

-content                    (see bellow)            (empty)
+content                    (see below)             (empty)

 
 Optional "content" attribute does not have attribute value. Instead,
 arbitrary number of <item> nodes may be rooted under it (the control
 
 Optional "content" attribute does not have attribute value. Instead,
 arbitrary number of <item> nodes may be rooted under it (the control


@@ -299,16 +352,64 @@ Example:
 </object>
 
 
 </object>
 
 

+wxDatePickerCtrl
+----------------
+pos                        Position                -1,-1
+size                       Size                    -1,-1
+style                      Style[wxDatePickerCtrl]
+
+
+wxDialog
+--------
+pos                        Position                -1,-1
+size                       Size                    -1,-1
+style                      Style[wxDialog]         wxDEFAULT_DIALOG_STYLE
+title                      I18nString              ""
+icon                       Bitmap                  (empty)
+centered                   Boolean                 false
+
+wxDialog may have children objects.
+
+
+wxFrame
+--------
+pos                        Position                -1,-1
+size                       Size                    -1,-1
+style                      Style[wxDialog]         wxDEFAULT_FRAME_STYLE
+title                      I18nString              ""
+icon                       Bitmap                  (empty)
+centered                   Boolean                 false
+
+wxFrame may have children objects. There can be at most one wxToolBar,
+wxMenuBar and wxStatusBar children; objects of these types are automatically
+set as frame's tool-, menu- and statusbar respectively.
+
+
+wxMDIParentFrame
+----------------
+
+Supports same attributes and children nodes as wxFrame. Additionally, children
+may be of the wxMDIChildFrame type.
+
+
+wxMDIChildFrame
+---------------
+
+Supports same attributes and children nodes as wxFrame.
+
+

 wxScrolledWindow
 ----------------
 wxScrolledWindow
 ----------------

-position                   Position                -1,-1
+pos                        Position                -1,-1

 size                       Size                    -1,-1
 style                      Style[wxScrolledWindow] wxHSCROLL | wxVSCROLL
 
 size                       Size                    -1,-1
 style                      Style[wxScrolledWindow] wxHSCROLL | wxVSCROLL
 

+wxScolledWindow may have children objects.
+

 
 wxSplitterWindow
 ----------------
 
 wxSplitterWindow
 ----------------

-position                   Position                -1,-1
+pos                        Position                -1,-1

 size                       Size                    -1,-1
 style                      Style[wxSplitterWindow] wxSP_3D
 sashpos                    Integer                 0
 size                       Size                    -1,-1
 style                      Style[wxSplitterWindow] wxSP_3D
 sashpos                    Integer                 0


@@ -319,18 +420,20 @@ orientation                "horizontal"|"vertical" horizontal
 
 wxSplitterWindow must have at least one and at most two children objects.
 If there's only one child object, it is passed to wxSplitterWindow::Initialize
 
 wxSplitterWindow must have at least one and at most two children objects.
 If there's only one child object, it is passed to wxSplitterWindow::Initialize

-and the splitter is created unsplitted. If there are two children, the
-splitter is created splitted, either horizontally or vertically depending
+and the splitter is created unsplit. If there are two children, the
+splitter is created split, either horizontally or vertically depending

 on the value of "orientation" attribute.
 
 on the value of "orientation" attribute.
 

+

 wxStatusBar
 -----------
 fields                     Integer number of fields
 widths                     Width1, Width2, Width3, ...
 
 wxStatusBar
 -----------
 fields                     Integer number of fields
 widths                     Width1, Width2, Width3, ...
 

+

 wxToolBar
 ---------
 wxToolBar
 ---------

-position                   Position                -1,-1
+pos                        Position                -1,-1

 size                       Size                    -1,-1
 style                      Style[wxToolBar]        wxNO_BORDER|wxTB_HORIZONTAL
 bitmapsize                 Size                    -1,-1
 size                       Size                    -1,-1
 style                      Style[wxToolBar]        wxNO_BORDER|wxTB_HORIZONTAL
 bitmapsize                 Size                    -1,-1


@@ -340,7 +443,7 @@ packing                    Integer                 -1
 separation                 Integer                 -1
 
 wxToolBar node may have children <object> and <object_ref> nodes. Their class
 separation                 Integer                 -1
 
 wxToolBar node may have children <object> and <object_ref> nodes. Their class

-may be either "tool", "separator" or any wxWindows class derived from
+may be either "tool", "separator" or any wxWidgets class derived from

 wxControl. "tool" and "separator" are special pseudo-classes that may only
 appear within wxToolBar node. Their attributes are as follows:
 
 wxControl. "tool" and "separator" are special pseudo-classes that may only
 appear within wxToolBar node. Their attributes are as follows:
 


@@ -357,15 +460,15 @@ appear within wxToolBar node. Their attributes are as follows:
     label                  I18nString              ""
     tooltip                I18nString              ""
     longhelp               I18nString              ""
     label                  I18nString              ""
     tooltip                I18nString              ""
     longhelp               I18nString              ""

-    position               Position                -1,-1
+    pos                    Position                -1,-1

 
     Constraints:
       At most one of "toggle" and "radio" attributes may be 1.
 
     Constraints:
       At most one of "toggle" and "radio" attributes may be 1.

-      Attribute "position" may not appear if "label" or "radio" attributes
+      Attribute "pos" may not appear if "label" or "radio" attributes

       are used or if parent wxToolBar's style contains wxTB_TEXT.
     
     Note:
       are used or if parent wxToolBar's style contains wxTB_TEXT.
     
     Note:

-      Use of "position" attribute is strongly discouraged, it is deprecated
+      Use of "pos" attribute is strongly discouraged, it is deprecated

       usage of wxToolBar and it is not supported by MSW and GTK
       implementations.
 
       usage of wxToolBar and it is not supported by MSW and GTK
       implementations.