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161 lines
4.4 KiB
HTML
161 lines
4.4 KiB
HTML
15 years ago
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<TITLE>extbutton - Extends the behavior of the Tk button</TITLE>
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<H1>extbutton - Extends the behavior of the Tk button</H1>
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</pre><H2>SYNOPSIS</H2>
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<B>extbutton <I>pathName </I>?<I>options</I>?
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</pre><H2>INHERITANCE</H2>
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<I>itk::Widget <- extbutton</I>
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</pre><H2>STANDARD OPTIONS</H2>
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<P><I>
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<table cellpadding=5>
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<td valign=top>
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<B>activebackground</B><br>
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<B>bd</B><br>
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<B>foreground</B><br>
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<B>text</B><br>
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</td>
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<td valign=top>
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<B>activeforeground</B><br>
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<B>cursor</B><br>
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<B>image</B><br>
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</td>
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<td valign=top>
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<B>bitmap</B><br>
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<B>disabledforeground</B><br>
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<B>justify</B><br>
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</td>
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<td valign=top>
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<B>background</B><br>
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<B>font</B><br>
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<B>relief</B><br>
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</td>
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</table>
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</I>
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<P>
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See the <A HREF="http://www.sco.com/Technology/tcl/man/tk_man/options.n.html"> "options" </A> manual entry for details on the standard options.
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</pre><H2>WIDGET-SPECIFIC OPTIONS</H2>
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<P>
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<pre>
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Name: <B>bitmapforeground</B>
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Class: <B>Foreground</B>
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Command-Line Switch: <B>-bitmapforeground</B>
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</pre>
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<UL>
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Configures the foreground color of the bitmap.
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</UL>
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<P>
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<pre>
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Name: <B>command</B>
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Class: <B>Command</B>
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Command-Line Switch: <B>-command</B>
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</pre>
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<UL>
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Associate a command with the extbutton. Simulates a Tk button's
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-command option. Invoked by either <1> events or by explicitly
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calling the public invoke() method.
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</UL>
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<P>
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<pre>
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Name: <B>defaultring</B>
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Class: <B>DefaultRing</B>
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Command-Line Switch: <B>-defaultring</B>
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</pre>
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<UL>
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Boolean describing whether the extbutton displays its default ring given in
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any of the forms acceptable to <B>Tcl_GetBoolean</B>. The default is false.
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</UL>
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<P>
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<pre>
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Name: <B>defaultringpad</B>
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Class: <B>Pad</B>
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Command-Line Switch: <B>-defaultringpad</B>
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</pre>
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<UL>
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Specifies the amount of space to be allocated to the indentation of the
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default ring ring given in any of the forms acceptable to <B>Tcl_GetPixels</B>.
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The option has no effect if the defaultring option is set to false. The
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default is 4 pixels.
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</UL>
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<P>
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<pre>
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Name: <B>imagePos</B>
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Class: <B>Position</B>
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Command-Line Switch: <B>-imagepos</B>
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</pre>
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<UL>
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Specifies the image position relative to the message text: <B>n</B>, <B>ne</B>,
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<B>nw</B>, <B>s</B>, <B>se</B>, <B>sw</B>, <B>w</B>, <B>wn</B>, <B>ws</B>, <B>e</B>,
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<B>en</B>, or <B>es</B>. The default is w.
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</UL>
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<P>
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<pre>
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Name: <B>ringBackground</B>
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Class: <B>Background</B>
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Command-Line Switch: <B>-ringbackground</B>
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</pre>
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<UL>
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Configures the background color of the default ring frame (if -defaultring
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is set to boolean true).
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</UL>
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<P>
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</pre><HR>
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</pre><H2>DESCRIPTION</H2>
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<P>
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The <B>extbutton</B> extends the behavior of the atomic Tk button by
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allowing text and an image or bitmap to coexist. The user may use
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the -image or -bitmap options to specify an image as well as the
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-imagepos option to specify image position relative to the text.
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Note that the extbutton is not intended to be used without an
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image/bitmap. There will be an emtpy space next to the text if
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no image/bitmap is specified.
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</pre><H2>METHODS</H2>
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<P>
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The <B>extbutton</B> command creates a new Tcl command whose
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name is <I>pathName</I>. This command may be used to invoke various
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operations on the widget. It has the following general form:
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<pre>
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<I>pathName option </I>?<I>arg arg ...</I>?
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</pre>
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</pre><H2>INHERITED METHODS</H2>
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Each of the following methods are inherited from itk::Archetype. See that
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man page for details.
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<pre>
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<I>pathName <B>cget</B>
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pathName <B>component</B>
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pathName <B>config</B>
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pathName <B>configure</B></I>
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</pre>
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</pre><H2>WIDGET-SPECIFIC METHODS</H2>
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<DL>
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<DT> <I><B>pathName invoke
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</I></B>
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<DD> Evaluates the command fragment associated with the -command option.
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</DL>
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<DL>
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<DT> <I><B>pathName flash
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</I></B>
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<DD> Simulates the Tk button's flash command.
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</DL>
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</pre><H2>EXAMPLES</H2>
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<pre>
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</B>
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iwidgets::extbutton .eb -text "Bitmap example" -bitmap info \
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-background bisque -activeforeground red -bitmapforeground blue \
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-defaultring 1 -command {puts "Bisque is beautiful"}
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pack .eb -expand 1
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iwidgets::extbutton .eb -text "Image example" -relief ridge -image \
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[image create photo -file $itk::library/../iwidgets/demos/images/clear.gif] \
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-font 9x15bold -background lightgreen -imagepos e \
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-activebackground lightyellow
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pack .eb -expand 1
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</pre><H2>AUTHOR</H2>
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Chad Smith
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</pre><H2>KEYWORDS</H2>
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button, pushbutton
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