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authordonal.k.fellows@manchester.ac.uk <dkf>2007-10-23 15:44:35 (GMT)
committerdonal.k.fellows@manchester.ac.uk <dkf>2007-10-23 15:44:35 (GMT)
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Rendering-with-groff GOOBE.
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-rw-r--r--doc/ttk_intro.n43
1 files changed, 19 insertions, 24 deletions
diff --git a/doc/ttk_intro.n b/doc/ttk_intro.n
index 38afd18..4a96e66 100644
--- a/doc/ttk_intro.n
+++ b/doc/ttk_intro.n
@@ -4,7 +4,7 @@
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
-'\" RCS: @(#) $Id: ttk_intro.n,v 1.4 2007/10/22 14:33:13 dkf Exp $
+'\" RCS: @(#) $Id: ttk_intro.n,v 1.5 2007/10/23 15:44:36 dkf Exp $
'\"
.so man.macros
.TH ttk_intro n 8.5 Tk "Tk Themed Widget"
@@ -20,7 +20,6 @@ below. The basic idea is to separate, to the extent possible, the code
implementing a widget's behavior from the code implementing its appearance.
Widget class bindings are primarily responsible for maintaining the widget
state and invoking callbacks; all aspects of the widgets appearance is
-
.SH "THEMES"
A \fItheme\fR is a collection of elements and styles that determine the look
and feel of the widget set. Themes can be used to:
@@ -36,7 +35,6 @@ Application suite "branding"
Blend in with the rest of the desktop (Gnome, KDE, Java)
.IP \(bu
And, of course: eye candy.
-
.SH "ELEMENTS"
An \fIelement\fR displays an individual part of a widget. For example, a
vertical scrollbar widget contains \fBuparrow\fR, \fBdownarrow\fR,
@@ -72,16 +70,15 @@ the \fB\-side\fR option, and placed within the parcel according to the
.CS
style layout Horizontal.TScrollbar {
Scrollbar.trough -children {
- Scrollbar.leftarrow -side left -sticky w
- Scrollbar.rightarrow -side right -sticky e
- Scrollbar.thumb -side left -expand true -sticky ew
+ Scrollbar.leftarrow -side left -sticky w
+ Scrollbar.rightarrow -side right -sticky e
+ Scrollbar.thumb -side left -expand true -sticky ew
}
}
.CE
By default, the layout for a widget is the same as its class name. Some
widgets may override this (for example, the \fBscrollbar\fR widget chooses
-different layouts based on the \fB-orient\fR option).
-
+different layouts based on the \fB\-orient\fR option).
.SH "STATES"
In standard Tk, many widgets have a \fB\-state\fR option which (in most cases)
is either \fBnormal\fR or \fBdisabled\fR. Some widgets support additional
@@ -101,12 +98,12 @@ cleared instead.
.PP
For example, the class bindings for the \fBttk::button\fR widget are:
.CS
-bind TButton <Enter> { %W state active }
-bind TButton <Leave> { %W state !active }
-bind TButton <ButtonPress-1> { %W state pressed }
-bind TButton <Button1-Leave> { %W state !pressed }
-bind TButton <Button1-Enter> { %W state pressed }
-bind TButton <ButtonRelease-1> \e
+bind TButton <Enter> { %W state active }
+bind TButton <Leave> { %W state !active }
+bind TButton <ButtonPress-1> { %W state pressed }
+bind TButton <Button1-Leave> { %W state !pressed }
+bind TButton <Button1-Enter> { %W state pressed }
+bind TButton <ButtonRelease-1> \e
{ %W instate {pressed} { %W state !pressed ; %W invoke } }
.CE
This specifies that the widget becomes \fBactive\fR when the pointer enters
@@ -120,7 +117,6 @@ actual bindings are a little more complicated than the above, but not by
much).
.PP
\fINote to self: rewrite that paragraph. It's horrible.\fR
-
.SH "STYLES"
Each widget is associated with a \fIstyle\fR, which specifies values for
element resources. Style names use a recursive dotted notation like layouts
@@ -128,10 +124,10 @@ and elements; by default, widgets use the class name to look up a style in the
current theme. For example:
.CS
style default TButton \e
- -background #d9d9d9 \e
- -foreground black \e
- -relief raised \e
- ;
+ -background #d9d9d9 \e
+ -foreground black \e
+ -relief raised \e
+ ;
.CE
Many elements are displayed differently depending on the widget state. For
example, buttons have a different background when they are active, a different
@@ -139,11 +135,10 @@ foreground when disabled, and a different relief when pressed. The \fBstyle
map\fR command specifies dynamic resources for a particular style:
.CS
style map TButton \e
- -background [list disabled #d9d9d9 active #ececec] \e
- -foreground [list disabled #a3a3a3] \e
- -relief [list {pressed !disabled} sunken] \e
- ;
+ -background [list disabled #d9d9d9 active #ececec] \e
+ -foreground [list disabled #a3a3a3] \e
+ -relief [list {pressed !disabled} sunken] \e
+ ;
.CE
-
.SH "SEE ALSO"
ttk_widget(n), ttk_style(n)