More doxygen overview cleanup.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52128 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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@@ -323,7 +323,7 @@ specific conditions are met, written as an escape:
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@endTable
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A word is defined as in the specification of <tt>[[:@<:]]</tt> and
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<tt>[[:>:]]</tt> above. Constraint escapes are illegal within bracket
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<tt>[[:@>:]]</tt> above. Constraint escapes are illegal within bracket
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expressions.
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A back reference (AREs only) matches the same string matched by the
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@@ -343,103 +343,67 @@ back reference), and otherwise is taken as octal.
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@section overview_resyntax_metasyntax Metasyntax
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In addition to the main syntax described above,
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there are some special forms and miscellaneous syntactic facilities available.
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In addition to the main syntax described above, there are some special forms
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and miscellaneous syntactic facilities available.
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Normally the flavor of RE being used is specified by application-dependent
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means. However, this can be overridden by a @e director. If an RE of any flavor
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begins with '@b ***:', the rest of the RE is an ARE. If an RE of any flavor begins
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with '@b ***=', the rest of the RE is taken to be a literal string, with all
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characters considered ordinary characters.
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An ARE may begin with @e embedded options: a sequence @b (?xyz)
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(where @e xyz is one or more alphabetic characters)
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specifies options affecting the rest of the RE. These supplement, and can
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override, any options specified by the application. The available option
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letters are:
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begins with <tt>***:</tt>, the rest of the RE is an ARE. If an RE of any
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flavor begins with <tt>***=</tt>, the rest of the RE is taken to be a literal
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string, with all characters considered ordinary characters.
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An ARE may begin with <em>embedded options</em>: a sequence <tt>(?xyz)</tt>
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(where @e xyz is one or more alphabetic characters) specifies options affecting
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the rest of the RE. These supplement, and can override, any options specified
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by the application. The available option letters are:
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@beginTable
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@row2col{ <tt>b</tt> , Rest of RE is a BRE. }
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@row2col{ <tt>c</tt> , Case-sensitive matching (usual default). }
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@row2col{ <tt>e</tt> , Rest of RE is an ERE. }
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@row2col{ <tt>i</tt> , Case-insensitive matching (see
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@ref overview_resyntax_matching, below). }
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@row2col{ <tt>m</tt> , Historical synonym for @e n. }
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@row2col{ <tt>n</tt> , Newline-sensitive matching (see
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@ref overview_resyntax_matching, below). }
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@row2col{ <tt>p</tt> , Partial newline-sensitive matching (see
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@ref overview_resyntax_matching, below). }
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@row2col{ <tt>q</tt> , Rest of RE is a literal ("quoted") string, all ordinary
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characters. }
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@row2col{ <tt>s</tt> , Non-newline-sensitive matching (usual default). }
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@row2col{ <tt>t</tt> , Tight syntax (usual default; see below). }
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@row2col{ <tt>w</tt> , Inverse partial newline-sensitive ("weird") matching
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(see @ref overview_resyntax_matching, below). }
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@row2col{ <tt>x</tt> , Expanded syntax (see below). }
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@endTable
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@b b
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Embedded options take effect at the <tt>)</tt> terminating the sequence. They
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are available only at the start of an ARE, and may not be used later within it.
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rest of RE is a BRE
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In addition to the usual (@e tight) RE syntax, in which all characters are
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significant, there is an @e expanded syntax, available in AREs with the
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embedded x option. In the expanded syntax, white-space characters are ignored
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and all characters between a <tt>@#</tt> and the following newline (or the end
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of the RE) are ignored, permitting paragraphing and commenting a complex RE.
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There are three exceptions to that basic rule:
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@b c
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@li A white-space character or <tt>@#</tt> preceded by <tt>@\</tt> is retained.
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@li White space or <tt>@#</tt> within a bracket expression is retained.
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@li White space and comments are illegal within multi-character symbols like
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the ARE <tt>(?:</tt> or the BRE <tt>\(</tt>.
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case-sensitive matching (usual default)
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Expanded-syntax white-space characters are blank, tab, newline, and any
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character that belongs to the @e space character class.
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@b e
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Finally, in an ARE, outside bracket expressions, the sequence <tt>(?@#ttt)</tt>
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(where @e ttt is any text not containing a <tt>)</tt>) is a comment, completely
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ignored. Again, this is not allowed between the characters of multi-character
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symbols like <tt>(?:</tt>. Such comments are more a historical artifact than a
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useful facility, and their use is deprecated; use the expanded syntax instead.
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rest of RE is an ERE
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@b i
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case-insensitive matching (see #Matching, below)
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@b m
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historical synonym for @b n
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@b n
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newline-sensitive matching (see #Matching, below)
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@b p
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partial newline-sensitive matching (see #Matching, below)
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@b q
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rest of RE
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is a literal ("quoted'') string, all ordinary characters
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@b s
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non-newline-sensitive matching (usual default)
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@b t
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tight syntax (usual default; see below)
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@b w
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inverse
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partial newline-sensitive ("weird'') matching (see #Matching, below)
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@b x
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expanded syntax (see below)
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Embedded options take effect at the @b ) terminating the
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sequence. They are available only at the start of an ARE, and may not be
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used later within it.
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In addition to the usual (@e tight) RE syntax, in which
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all characters are significant, there is an @e expanded syntax, available
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in AREs with the embedded
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x option. In the expanded syntax, white-space characters are ignored and
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all characters between a @b # and the following newline (or the end of the
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RE) are ignored, permitting paragraphing and commenting a complex RE. There
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are three exceptions to that basic rule:
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a white-space character or '@b #' preceded
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by '@b \' is retained
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white space or '@b #' within a bracket expression is retained
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white space and comments are illegal within multi-character symbols like
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the ARE '@b (?:' or the BRE '@b \('
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Expanded-syntax white-space characters are blank,
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tab, newline, and any character that belongs to the @e space character class.
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Finally, in an ARE, outside bracket expressions, the sequence '@b (?#ttt)' (where
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@e ttt is any text not containing a '@b )') is a comment, completely ignored. Again,
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this is not allowed between the characters of multi-character symbols like
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'@b (?:'. Such comments are more a historical artifact than a useful facility,
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and their use is deprecated; use the expanded syntax instead.
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@e None of these
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metasyntax extensions is available if the application (or an initial @b ***=
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director) has specified that the user's input be treated as a literal string
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rather than as an RE.
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@e None of these metasyntax extensions is available if the application (or an
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initial <tt>***=</tt> director) has specified that the user's input be treated
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as a literal string rather than as an RE.
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@section overview_resyntax_matching Matching
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@@ -10,53 +10,53 @@
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@page overview_roughguide Writing a wxWidgets Application: A Rough Guide
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To set a wxWidgets application going, you will need to derive a #wxApp class
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and override wxApp::OnInit.
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To set a wxWidgets application going, you will need to derive a wxApp class and
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override wxApp::OnInit.
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An application must have a top-level #wxFrame or #wxDialog window. Each frame
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may contain one or more instances of classes such as #wxPanel,
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#wxSplitterWindow or other windows and controls.
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An application must have a top-level wxFrame or wxDialog window. Each frame may
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contain one or more instances of classes such as wxPanel, wxSplitterWindow or
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other windows and controls.
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A frame can have a #wxMenuBar, a #wxToolBar, a status line, and a #wxIcon for
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when the frame is iconized.
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A frame can have a wxMenuBar, a wxToolBar, a wxStatusBar, and a wxIcon for when
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the frame is iconized.
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A #wxPanel is used to place controls (classes derived from #wxControl) which
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are used for user interaction. Examples of controls are #wxButton, #wxCheckBox,
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#wxChoice, #wxListBox, #wxRadioBox, #wxSlider.
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A wxPanel is used to place controls (classes derived from wxControl) which are
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used for user interaction. Examples of controls are wxButton, wxCheckBox,
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wxChoice, wxListBox, wxRadioBox, and wxSlider.
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Instances of #wxDialog can also be used for controls and they have the
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advantage of not requiring a separate frame.
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Instances of wxDialog can also be used for controls and they have the advantage
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of not requiring a separate frame.
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Instead of creating a dialog box and populating it with items, it is possible
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to choose one of the convenient common dialog classes, such as #wxMessageDialog
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and #wxFileDialog.
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to choose one of the convenient common dialog classes, such as wxMessageDialog
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and wxFileDialog.
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You never draw directly onto a window - you use a <em>device context</em> (DC).
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#wxDC is the base for #wxClientDC, #wxPaintDC, #wxMemoryDC, #wxPostScriptDC,
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#wxMemoryDC, #wxMetafileDC and #wxPrinterDC. If your drawing functions have
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wxDC as a parameter, you can pass any of these DCs to the function, and thus
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use the same code to draw to several different devices. You can draw using the
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member functions of wxDC, such as wxDC::DrawLine and wxDC::DrawText. Control
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colour on a window (#wxColour) with brushes (#wxBrush) and pens (#wxPen).
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wxDC is the base for wxClientDC, wxPaintDC, wxMemoryDC, wxPostScriptDC,
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wxMemoryDC, wxMetafileDC and wxPrinterDC. If your drawing functions have wxDC
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as a parameter, you can pass any of these DCs to the function, and thus use the
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same code to draw to several different devices. You can draw using the member
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functions of wxDC, such as wxDC::DrawLine and wxDC::DrawText. Control colour on
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a window (wxColour) with brushes (wxBrush) and pens (wxPen).
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To intercept events, you add a DECLARE_EVENT_TABLE macro to the window class
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declaration, and put a BEGIN_EVENT_TABLE ... END_EVENT_TABLE block in the
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implementation file. Between these macros, you add event macros which map the
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event (such as a mouse click) to a member function. These might override
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predefined event handlers such as for #wxKeyEvent and #wxMouseEvent.
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predefined event handlers such as for wxKeyEvent and wxMouseEvent.
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Most modern applications will have an on-line, hypertext help system; for this,
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you need wxHelp and the #wxHelpController class to control wxHelp.
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you need wxHelp and the wxHelpController class to control wxHelp.
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GUI applications aren't all graphical wizardry. List and hash table needs are
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catered for by #wxList and #wxHashMap. You will undoubtedly need some
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catered for by wxList and wxHashMap. You will undoubtedly need some
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platform-independent @ref functions_file, and you may find it handy to
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maintain and search a list of paths using #wxPathList. There's many
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maintain and search a list of paths using wxPathList. There's many
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@ref functions_miscellany of operating system methods and other functions.
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@seealso
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@li @ref overview_classesbycat
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@li @ref page_categories
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*/
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