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author | dkf <donal.k.fellows@manchester.ac.uk> | 2008-10-27 13:38:51 (GMT) |
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committer | dkf <donal.k.fellows@manchester.ac.uk> | 2008-10-27 13:38:51 (GMT) |
commit | b88117d1876391881d90f05ad4bfabf9b05ade97 (patch) | |
tree | bdbd1367e11b812b4017ec80fc800059ca81afdb /doc/ttk_entry.n | |
parent | 957201cb93aa79eb303379cbfd71c1d37f4772ab (diff) | |
download | tk-b88117d1876391881d90f05ad4bfabf9b05ade97.zip tk-b88117d1876391881d90f05ad4bfabf9b05ade97.tar.gz tk-b88117d1876391881d90f05ad4bfabf9b05ade97.tar.bz2 |
Tweaking for better readability.
Diffstat (limited to 'doc/ttk_entry.n')
-rw-r--r-- | doc/ttk_entry.n | 106 |
1 files changed, 59 insertions, 47 deletions
diff --git a/doc/ttk_entry.n b/doc/ttk_entry.n index b1f3780..ea6251d 100644 --- a/doc/ttk_entry.n +++ b/doc/ttk_entry.n @@ -7,7 +7,7 @@ '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" '\" SOURCE: entry.n, r1.12 -'\" RCS: @(#) $Id: ttk_entry.n,v 1.13 2008/09/23 13:36:56 dkf Exp $ +'\" RCS: @(#) $Id: ttk_entry.n,v 1.14 2008/10/27 13:38:51 dkf Exp $ '\" .so man.macros .TH ttk::entry n 8.5 Tk "Tk Themed Widget" @@ -134,15 +134,15 @@ Indicates the character just after the last one in the selection. It is an error to use this form if the selection is not in the entry window. .LP -Abbreviations may be used for any of the forms above, e.g. +Abbreviations may be used for any of the forms above, e.g.\| .QW \fBe\fR or -.QW \fBsel.f\fR . +.QW \fBsel.l\fR . In general, out-of-range indices are automatically rounded to the nearest legal value. .SH "WIDGET COMMAND" .PP -The following commands are possible for entry widgets: +The following subcommands are possible for entry widgets: .TP \fIpathName \fBbbox \fIindex\fR Returns a list of four numbers describing the bounding box of the @@ -153,14 +153,14 @@ the upper-left corner of the screen area covered by the character the width and height of the character, in pixels. The bounding box may refer to a region outside the visible area of the window. -.TP -\fIpathName \fBcget\fR \fIoption\fR -Returns the current value of the specified \fIoption\fR. -See \fIttk::widget(n)\fR. -.TP -\fIpathName \fBconfigure\fR ?\fIoption\fR? ?\fIvalue option value ...\fR? -Modify or query widget options. -See \fIttk::widget(n)\fR. +'\".TP +'\"\fIpathName \fBcget\fR \fIoption\fR +'\"Returns the current value of the specified \fIoption\fR. +'\"See \fIttk::widget(n)\fR. +'\".TP +'\"\fIpathName \fBconfigure\fR ?\fIoption\fR? ?\fIvalue option value ...\fR? +'\"Modify or query widget options. +'\"See \fIttk::widget(n)\fR. .TP \fIpathName \fBdelete \fIfirst \fR?\fIlast\fR? Delete one or more elements of the entry. @@ -177,10 +177,10 @@ Returns the entry's string. \fIpathName \fBicursor \fIindex\fR Arrange for the insert cursor to be displayed just before the character given by \fIindex\fR. Returns the empty string. -.TP -\fIpathName \fBidentify \fIx y\fR -Returns the name of the element at position \fIx\fR, \fIy\fR, -or the empty string if the coordinates are outside the window. +'\".TP +'\"\fIpathName \fBidentify \fIx y\fR +'\"Returns the name of the element at position \fIx\fR, \fIy\fR, +'\"or the empty string if the coordinates are outside the window. .TP \fIpathName \fBindex\fI index\fR Returns the numerical index corresponding to \fIindex\fR. @@ -188,10 +188,10 @@ Returns the numerical index corresponding to \fIindex\fR. \fIpathName \fBinsert \fIindex string\fR Insert \fIstring\fR just before the character indicated by \fIindex\fR. Returns the empty string. -.TP -\fIpathName \fBinstate \fIstatespec\fR ?\fIscript\fR? -Test the widget state. -See \fIttk::widget(n)\fR. +'\".TP +'\"\fIpathName \fBinstate \fIstatespec\fR ?\fIscript\fR? +'\"Test the widget state. +'\"See \fIttk::widget(n)\fR. .TP \fIpathName \fBselection \fIoption arg\fR This command is used to adjust the selection within an entry. It @@ -214,16 +214,17 @@ before \fIend\fR. If \fIend\fR refers to the same character as \fIstart\fR or an earlier one, then the entry's selection is cleared. .RE -.TP -\fIpathName \fBstate\fR ?\fIstateSpec\fR? -Modify or query the widget state. -See \fIttk::widget(n)\fR. +'\".TP +'\"\fIpathName \fBstate\fR ?\fIstateSpec\fR? +'\"Modify or query the widget state. +'\"See \fIttk::widget(n)\fR. .TP \fIpathName \fBvalidate\fR Force revalidation, independent of the conditions specified by the \fB\-validate\fR option. Returns 0 if validation fails, 1 if it succeeds. Sets or clears the \fBinvalid\fR state accordingly. +See \fBVALIDATION\fR below for more details. .TP \fIpathName \fBxview \fIargs\fR This command is used to query and change the horizontal position of the @@ -263,6 +264,13 @@ If \fInumber\fR is negative then characters farther to the left become visible; if it is positive then characters farther to the right become visible. .RE +.PP +The entry widget also supports the following generic \fBttk::widget\fR +widget subcommands (see \fIttk::widget(n)\fR for details): +.DS +.ta 5.5c 11c +\fBcget\fR \fBconfigure\fR \fBidentify\fR +\fBinstate\fR \fBstate\fR .SH VALIDATION .PP The \fB\-validate\fR, \fB\-validatecommand\fR, and \fB\-invalidcommand\fR @@ -278,6 +286,7 @@ evaluated to determine whether the current value is valid. .PP The \fB\-validate\fR option determines when validation occurs; it may be set to any of the following values: +.RS .IP \fBnone\fR Default. This means validation will only occur when specifically requested by the \fBvalidate\fR widget command. @@ -294,6 +303,7 @@ The entry is revalidated when the entry receives focus. The entry is revalidated when the entry loses focus. .IP \fBall\fR Validation is performed for all above conditions. +.RE .PP The \fB\-invalidcommand\fR is evaluated whenever the \fB\-validatecommand\fR returns a false value. @@ -311,9 +321,10 @@ validation always succeeds. .SS "VALIDATION SCRIPT SUBSTITUTIONS" .PP It is possible to perform percent substitutions on the -\fB\-validatecommand\fR and \fBinvalidCommand\fR, +\fB\-validatecommand\fR and \fB\-invalidcommand\fR, just as in a \fBbind\fR script. The following substitutions are recognized: +.RS .IP \fB%d\fR Type of action: 1 for \fBinsert\fR prevalidation, 0 for \fBdelete\fR prevalidation, @@ -334,8 +345,9 @@ The validation condition that triggered the callback (\fBkey\fR, \fBfocusin\fR, \fBfocusout\fR, or \fBforced\fR). .IP \fB%W\fR The name of the entry widget. +.RE .SS "DIFFERENCES FROM TK ENTRY WIDGET VALIDATION" -.IP \(bu +.PP The standard Tk entry widget automatically disables validation (by setting \fB\-validate\fR to \fBnone\fR) if the \fB\-validatecommand\fR or \fB\-invalidcommand\fR modifies @@ -343,10 +355,10 @@ the entry's value. The Tk themed entry widget only disables validation if one of the validation scripts raises an error, or if \fB\-validatecommand\fR does not return a valid boolean value. -(Thus, it is not necessary to reenable validation after +(Thus, it is not necessary to re-enable validation after modifying the entry value in a validation script). -.IP \(bu -The standard entry widget invokes validation whenever the linked +.PP +In addition, the standard entry widget invokes validation whenever the linked \fB\-textvariable\fR is modified; the Tk themed entry widget does not. .SH "DEFAULT BINDINGS" .PP @@ -356,41 +368,41 @@ In the descriptions below, refers to a contiguous group of letters, digits, or .QW _ characters, or any single character other than these. -.IP \(bu +.IP \0\(bu 4 Clicking mouse button 1 positions the insert cursor just before the character underneath the mouse cursor, sets the input focus to this widget, and clears any selection in the widget. Dragging with mouse button 1 down strokes out a selection between the insert cursor and the character under the mouse. -.IP \(bu +.IP \0\(bu 4 Double-clicking with mouse button 1 selects the word under the mouse and positions the insert cursor at the end of the word. Dragging after a double click strokes out a selection consisting of whole words. -.IP \(bu +.IP \0\(bu 4 Triple-clicking with mouse button 1 selects all of the text in the entry and positions the insert cursor at the end of the line. -.IP \(bu +.IP \0\(bu 4 The ends of the selection can be adjusted by dragging with mouse button 1 while the Shift key is down. If the button is double-clicked before dragging then the selection will be adjusted in units of whole words. -.IP \(bu +.IP \0\(bu 4 Clicking mouse button 1 with the Control key down will position the insert cursor in the entry without affecting the selection. -.IP \(bu +.IP \0\(bu 4 If any normal printing characters are typed in an entry, they are inserted at the point of the insert cursor. -.IP \(bu +.IP \0\(bu 4 The view in the entry can be adjusted by dragging with mouse button 2. If mouse button 2 is clicked without moving the mouse, the selection is copied into the entry at the position of the mouse cursor. -.IP \(bu +.IP \0\(bu 4 If the mouse is dragged out of the entry on the left or right sides while button 1 is pressed, the entry will automatically scroll to make more text visible (if there is more text off-screen on the side where the mouse left the window). -.IP \(bu +.IP \0\(bu 4 The Left and Right keys move the insert cursor one character to the left or right; they also clear any selection in the entry. If Left or Right is typed with the Shift key down, then the insertion @@ -399,35 +411,35 @@ Control-Left and Control-Right move the insert cursor by words, and Control-Shift-Left and Control-Shift-Right move the insert cursor by words and also extend the selection. Control-b and Control-f behave the same as Left and Right, respectively. -.IP \(bu +.IP \0\(bu 4 The Home key and Control-a move the insert cursor to the beginning of the entry and clear any selection in the entry. Shift-Home moves the insert cursor to the beginning of the entry and extends the selection to that point. -.IP \(bu +.IP \0\(bu 4 The End key and Control-e move the insert cursor to the end of the entry and clear any selection in the entry. Shift-End moves the cursor to the end and extends the selection to that point. -.IP \(bu +.IP \0\(bu 4 Control-/ selects all the text in the entry. -.IP \(bu +.IP \0\(bu 4 Control-\e clears any selection in the entry. -.IP \(bu +.IP \0\(bu 4 The standard Tk <<Cut>>, <<Copy>>, <<Paste>>, and <<Clear>> virtual events operate on the selection in the expected manner. -.IP \(bu +.IP \0\(bu 4 The Delete key deletes the selection, if there is one in the entry. If there is no selection, it deletes the character to the right of the insert cursor. -.IP \(bu +.IP \0\(bu 4 The BackSpace key and Control-h delete the selection, if there is one in the entry. If there is no selection, it deletes the character to the left of the insert cursor. -.IP \(bu +.IP \0\(bu 4 Control-d deletes the character to the right of the insert cursor. -.IP \(bu +.IP \0\(bu 4 Control-k deletes all the characters to the right of the insertion cursor. .SH "WIDGET STATES" |