Ubuntu Manpage: tixTList - Create and manipulate Tix Tabular List widgets

NAME

       tixTList - Create and manipulate Tix Tabular List widgets

SYNOPSIS

       tixTList          pathName         ?options?          -background    -borderWidth   -cursor   -foreground
       -font     -height   -highlightColor -highlightThickness   -relief   -selectBackground   -selectForeground
       -xScrollCommand     -yScrollCommand     -width

WIDGET-SPECIFIC OPTIONS

[-browsecmd browsecmd] Specifies a TCL command to be executed when the user browses through the entries
in the TList widget. [-command command] Specifies the TCL command to be executed when the user invokes a
list entry in the TList widget. Normally the user invokes a list entry by double-clicking it or pressing
the Return key. [-foreground foreground] Specifies the default foreground color for the list entries.
[-height height] Specifies the desired height for the window in number of characters.
[-itemtype itemType] Specifies the default type of display item for this TList widget. When you call the
insert widget commands, display items of this type will be created if the -itemtype option is not
specified . [-orient orient] Specifies the order of tabularizing the list entries. When set to
"vertical", the entries are arranged in a column, from top to bottom. If the entries cannot be contained
in one column, the remaining entries will go to the next column, and so on. When set to "horizontal", the
entries are arranged in a row, from left to right. If the entries cannot be contained in one row, the
remaining entries will go to the next row, and so on. [-padx padX] The default horizontal padding for
list entries. [-padx padY] The default vertical padding for list entries.
[-selectbackground selectBackground] Specifies the background color for the selected list entries.
[-selectborderwidth selectBorderWidth] Specifies a non-negative value indicating the width of the 3-D
border to draw around selected items. The value may have any of the forms acceptable to Tk_GetPixels.
[-selectforeground selectForeground] Specifies the foreground color for the selected list entries.
[-selectmode selectMode] Specifies one of several styles for manipulating the selection. The value of
the option may be arbitrary, but the default bindings expect it to be either single, browse, multiple, or
extended; the default value is single. [-sizecmd sizeCmd] Specifies a TCL script to be called whenever
the TList widget changes its size. This command can be useful to implement "user scroll bars when needed"
features. [-state state] Specifies whether the TList command should react to user actions. When set to
"normal", the TList reacts to user actions in the normal way. When set to "disabled", the TList can only
be scrolled, but its entries cannot be selected or activated. [-width width] Specifies the desired width
for the window in characters.

DESCRIPTION

       The  tixTList  command  creates  a  new window (given by the pathName argument) and makes it into a TList
       widget.  Additional options, described above, may be specified on the  command  line  or  in  the  option
       database to configure aspects of the TList widget such as its cursor and relief.

       The  TList widget can be used to display data in a tabular format. The list entries of a TList widget are
       similar to the entries in the Tk listbox widget. The main  differences  are  (1)  the  TList  widget  can
       display  the  list  entries  in  a two dimensional format and (2) you can use graphical images as well as
       multiple colors and fonts for the list entries.

       Each list entry is identified by an index, which can be in the following forms:

              number An integer that indicates the position of  the  entry  in  the  list.  0  means  the  first
                     position, 1 means the second position, and so on.

              end    Indicates  the  end of the listbox. For some commands this means just after the last entry;
                     for other commands it means the last entry.

              @x,y   Indicates the element that covers the point in the listbox window specified by x and y  (in
                     pixel coordinates). If no element covers that point, then the closest element to that point
                     is used.

DISPLAY ITEMS

       Each list entry in an TList widget is associated with a display item.  The display item  determines  what
       visual  information  should  be displayed for this list entry. Please see the tixDisplayStyle manual page
       for a list of all display items.

       When a list entry is created by the insert command, the type of its display item  is  determined  by  the
       -itemtype  option  passed  to  these  commands.  If  the  -itemtype  is omitted, then by default the type
       specified by this TList widget's -itemtype option is used.

WIDGET COMMAND

The tixTList command creates a new Tcl command whose name is the same as the path name of the TList
widget's window. This command may be used to invoke various operations on the widget. It has the
following general form:
pathName option ?arg arg ...?
PathName is the name of the command, which is the same as the TList widget's path name. Option and the
args determine the exact behavior of the command. The following commands are possible for TList widgets:

pathName anchor set index
Sets the anchor to the list entry identified by index. The anchor is the end of the selection that
is fixed while dragging out a selection with the mouse.

pathName anchor clear
Removes the anchor, if any, from this TList widget. This only removes the surrounding highlights
of the anchor entry and does not affect its selection status.

pathName cget option
Returns the current value of the configuration option given by option. Option may have any of the
values accepted by the tixTList command.

pathName configure ?option? ?value option value ...?
Query or modify the configuration options of the widget. If no option is specified, returns a
list describing all of the available options for pathName (see Tk_ConfigureInfo for information on
the format of this list). If option is specified with no value, then the command returns a list
describing the one named option (this list will be identical to the corresponding sublist of the
value returned if no option is specified). If one or more option-value pairs are specified, then
the command modifies the given widget option(s) to have the given value(s); in this case the
command returns an empty string. Option may have any of the values accepted by the tixTList
command.

pathName delete from ?to?
Deletes one or more list entries between the two entries specified by the indices from and to. If
to is not specified, deletes the single entry specified by from.

pathName dragsite set index
Sets the dragsite to the list entry identified by index. The dragsite is used to indicate the
source of a drag-and-drop action. Currently drag-and-drop functionality has not been implemented
in Tix yet.

pathName dragsite clear
Remove the dragsite, if any, from the this TList widget. This only removes the surrounding
highlights of the dragsite entry and does not affect its selection status.

pathName dropsite set index
Sets the dropsite to the list entry identified by index. The dropsite is used to indicate the
target of a grag-and-drop action. Currently drag-and-drop functionality has not been implemented
in Tix yet.

pathName dropsite clear
Remove the dropsite, if any, from the this TList widget. This only removes the surrounding
highlights of the dropsite entry and does not affect its selection status.

pathName entrycget index option
Returns the current value of the configuration option given by option for the entry indentfied by
index. Option may have any of the values accepted by the insert widget command.

pathName entryconfigure index ?option? ?value option value ...?
Query or modify the configuration options of the list entry indentfied by index. If no option is
specified, returns a list describing all of the available options for index (see Tk_ConfigureInfo
for information on the format of this list). If option is specified with no value, then the
command returns a list describing the one named option (this list will be identical to the
corresponding sublist of the value returned if no option is specified). If one or more
option-value pairs are specified, then the command modifies the given option(s) to have the given
value(s); in this case the command returns an empty string. Option may have any of the values
accepted by the insert widget command. The exact set of options depends on the value of the
-itemtype option passed to the the insert widget command when this list entry is created.

pathName insert index ?option value ...?
Creates a new list entry at the position indicated by index. The following configuration options
can be given to configure the list entry:

-itemtype type
Specifies the type of display item to be display for the new list entry. type must be a
valid display item type. Currently the available display item types are image, imagetext,
text, and window. If this option is not specified, then by default the type specified by
this TList widget's -itemtype option is used.

-state Specifies whether this entry can be selected or invoked by the user. Must be either normal
or disabled.
The insert widget command accepts additional configuration options to configure the display item
associated with this list entry. The set of additional configuration options depends on the type of the
display item given by the -itemtype option. Please see the tixDisplayStyle manual page for a list of the
configuration options for each of the display item types.

pathName info option arg ...
Query information about the TList widget. option can be one of the following:

pathName info anchor index
; Returns the index of the current anchor, if any, of the TList widget. If the anchor is
not set, returns the empty string.

pathName info dragsite index
Returns the index of the current dragsite, if any, of the TList widget. If the dragsite is
not set, returns the empty string.

pathName info dropsite index
Returns the index of the current dropsite, if any, of the TList widget. If the dropsite is
not set, returns the empty string.

pathName info selection
Returns a list of selected elements in the TList widget. If no entries are selectd, returns
an empty string.

pathName nearest x y
Given an (x,y) coordinate within the TList window, this command returns the index of the TList
element nearest to that coordinate.

pathName see index
Adjust the view in the TList so that the entry given by index is visible. If the entry is already
visible then the command has no effect; if the entry is near one edge of the window then the TList
scrolls to bring the element into view at the edge; otherwise the TList widget scrolls to center
the entry.

pathName selection option arg ...
This command is used to adjust the selection within a TList widget. It has several forms,
depending on option:

pathName selection clear ?from? ?to?
When no extra arguments are given, deselects all of the list entrie(s) in this TList
widget. When only from is given, only the list entry identified by from is deselected. When
both from and to are given, deselects all of the list entrie(s) between between from and
to, inclusive, without affecting the selection state of entries outside that range.

pathName selection includes index
Returns 1 if the list entry indicated by index is currently selected; returns 0 otherwise.

pathName selection set from ?to?
Selects all of the list entrie(s) between between from and to, inclusive, without affecting
the selection state of entries outside that range. When only from is given, only the list
entry identified by from is selected.

pathName xview args
This command is used to query and change the horizontal position of the information in the
widget's window. It can take any of the following forms:

pathName xview
Returns a list containing two elements. Each element is a real fraction between 0 and 1;
together they describe the horizontal span that is visible in the window. For example, if
the first element is .2 and the second element is .6, 20% of the TList entry is off-screen
to the left, the middle 40% is visible in the window, and 40% of the entry is off-screen to
the right. These are the same values passed to scrollbars via the -xscrollcommand option.

pathName xview index
Adjusts the view in the window so that the list entry identified by index is aligned to the
left edge of the window.

pathName xview moveto fraction
Adjusts the view in the window so that fraction of the total width of the TList is off-
screen to the left. fraction must be a fraction between 0 and 1.

pathName xview scroll number what
This command shifts the view in the window left or right according to number and what.
Number must be an integer. What must be either units or pages or an abbreviation of one of
these. If what is units, the view adjusts left or right by number character units (the
width of the 0 character) on the display; if it is pages then the view adjusts by number
screenfuls. If number is negative then characters farther to the left become visible; if it
is positive then characters farther to the right become visible.

pathName yview ?args?
This command is used to query and change the vertical position of the entries in the widget's
window. It can take any of the following forms:

pathName yview
Returns a list containing two elements, both of which are real fractions between 0 and 1.
The first element gives the position of the list element at the top of the window, relative
to the TList as a whole (0.5 means it is halfway through the TList, for example). The
second element gives the position of the list entry just after the last one in the window,
relative to the TList as a whole. These are the same values passed to scrollbars via the
-yscrollcommand option.

pathName yview index
Adjusts the view in the window so that the list entry given by index is displayed at the
top of the window.

pathName yview moveto fraction
Adjusts the view in the window so that the list entry given by fraction appears at the top
of the window. Fraction is a fraction between 0 and 1; 0 indicates the first entry in the
TList, 0.33 indicates the entry one-third the way through the TList, and so on.

pathName yview scroll number what
This command adjust the view in the window up or down according to number and what. Number
must be an integer. What must be either units or pages. If what is units, the view
adjusts up or down by number lines; if it is pages then the view adjusts by number
screenfuls. If number is negative then earlier entries become visible; if it is positive
then later entries become visible.

BINDINGS

[1] If the -selectmode is "browse", when the user drags the mouse pointer over the list entries, the
entry under the pointer will be highlighted and the -browsecmd procedure will be called with one
parameter, the index of the highlighted entry. Only one entry can be highlighted at a time. The
-command procedure will be called when the user double-clicks on a list entry.

[2] If the -selectmode is "single", the entries will only be highlighted by mouse <ButtonRelease-1>
events. When a new list entry is highlighted, the -browsecmd procedure will be called with one
parameter indicating the highlighted list entry. The -command procedure will be called when the
user double-clicks on a list entry.

[3] If the -selectmode is "multiple", when the user drags the mouse pointer over the list entries, all
the entries under the pointer will be highlighted. However, only a contiguous region of list
entries can be selected. When the highlighted area is changed, the -browsecmd procedure will be
called with an undefined parameter. It is the responsibility of the -browsecmd procedure to find
out the exact highlighted selection in the TList. The -command procedure will be called when the
user double-clicks on a list entry.

[4] If the -selectmode is "extended", when the user drags the mouse pointer over the list entries, all
the entries under the pointer will be highlighted. The user can also make disjointed selections
using <Control-ButtonPress-1>. When the highlighted area is changed, the -browsecmd procedure will
be called with an undefined parameter. It is the responsibility of the -browsecmd procedure to
find out the exact highlighted selection in the TList. The -command procedure will be called when
the user double-clicks on a list entry.

EXAMPLE

       This example demonstrates how to use an TList to store a list of numbers:

       set image [tix getimage folder] set t [tixTList .t -orient vertical] $t insert  end  -itemtype  imagetext
       -image $image -text one $t insert end -itemtype imagetext -image $image -text two $t insert end -itemtype
       imagetext -image $image -text three $t insert end -itemtype imagetext -image $image -text four $t  insert
       end  -itemtype  imagetext  -image $image -text five $t insert end -itemtype imagetext -image $image -text
       six pack $t -expand yes -fill both

KEYWORDS

       Tix(n), Tabular Listbox, Display Items