/usr/lib/tcltk/x86_64-linux-gnu/Tktable2.10/tkTable.tcl is in tk-table 2.10-3.
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#
# Version align with tkTable 2.7, jeff at hobbs org
# This file defines the default bindings for Tk table widgets
# and provides procedures that help in implementing those bindings.
#
# RCS: @(#) $Id: tkTable.tcl,v 1.14 2005/07/12 23:26:28 hobbs Exp $
#--------------------------------------------------------------------------
# ::tk::table::Priv elements used in this file:
#
# x && y - Coords in widget
# afterId - Token returned by "after" for autoscanning.
# tablePrev - The last element to be selected or deselected
# during a selection operation.
# mouseMoved - Boolean to indicate whether mouse moved while
# the button was pressed.
# borderInfo - Boolean to know if the user clicked on a border
# borderB1 - Boolean that set whether B1 can be used for the
# interactiving resizing
#--------------------------------------------------------------------------
namespace eval ::tk::table {
# Ensure that a namespace is created for us
variable Priv
array set Priv [list x 0 y 0 afterId {} mouseMoved 0 \
borderInfo {} borderB1 1]
}
# ::tk::table::ClipboardKeysyms --
# This procedure is invoked to identify the keys that correspond to
# the "copy", "cut", and "paste" functions for the clipboard.
#
# Arguments:
# copy - Name of the key (keysym name plus modifiers, if any,
# such as "Meta-y") used for the copy operation.
# cut - Name of the key used for the cut operation.
# paste - Name of the key used for the paste operation.
proc ::tk::table::ClipboardKeysyms {copy cut paste} {
bind Table <$copy> {tk_tableCopy %W}
bind Table <$cut> {tk_tableCut %W}
bind Table <$paste> {tk_tablePaste %W}
}
::tk::table::ClipboardKeysyms <Copy> <Cut> <Paste>
##
## Interactive cell resizing, affected by -resizeborders option
##
bind Table <3> {
## You might want to check for cell returned if you want to
## restrict the resizing of certain cells
%W border mark %x %y
}
bind Table <B3-Motion> { %W border dragto %x %y }
## Button events
bind Table <1> { ::tk::table::Button1 %W %x %y }
bind Table <B1-Motion> { ::tk::table::B1Motion %W %x %y }
bind Table <ButtonRelease-1> {
if {$::tk::table::Priv(borderInfo) == "" && [winfo exists %W]} {
::tk::table::CancelRepeat
%W activate @%x,%y
}
}
bind Table <Double-1> {
# empty
}
bind Table <Shift-1> {::tk::table::BeginExtend %W [%W index @%x,%y]}
bind Table <Control-1> {::tk::table::BeginToggle %W [%W index @%x,%y]}
bind Table <B1-Enter> {::tk::table::CancelRepeat}
bind Table <B1-Leave> {
if {$::tk::table::Priv(borderInfo) == ""} {
array set ::tk::table::Priv {x %x y %y}
::tk::table::AutoScan %W
}
}
bind Table <2> {
%W scan mark %x %y
array set ::tk::table::Priv {x %x y %y}
set ::tk::table::Priv(mouseMoved) 0
}
bind Table <B2-Motion> {
if {(%x != $::tk::table::Priv(x)) || (%y != $::tk::table::Priv(y))} {
set ::tk::table::Priv(mouseMoved) 1
}
if {$::tk::table::Priv(mouseMoved)} { %W scan dragto %x %y }
}
bind Table <ButtonRelease-2> {
if {!$::tk::table::Priv(mouseMoved)} { tk_tablePaste %W [%W index @%x,%y] }
}
## Key events
# This forces a cell commit if an active cell exists
bind Table <<Table_Commit>> {
catch {%W activate active}
}
# Remove this if you don't want cell commit to occur on every Leave for
# the table (via mouse) or FocusOut (loss of focus by table).
event add <<Table_Commit>> <Leave> <FocusOut>
bind Table <Shift-Up> {::tk::table::ExtendSelect %W -1 0}
bind Table <Shift-Down> {::tk::table::ExtendSelect %W 1 0}
bind Table <Shift-Left> {::tk::table::ExtendSelect %W 0 -1}
bind Table <Shift-Right> {::tk::table::ExtendSelect %W 0 1}
bind Table <Prior> {%W yview scroll -1 pages; %W activate topleft}
bind Table <Next> {%W yview scroll 1 pages; %W activate topleft}
bind Table <Control-Prior> {%W xview scroll -1 pages}
bind Table <Control-Next> {%W xview scroll 1 pages}
bind Table <Home> {%W see origin}
bind Table <End> {%W see end}
bind Table <Control-Home> {
%W selection clear all
%W activate origin
%W selection set active
%W see active
}
bind Table <Control-End> {
%W selection clear all
%W activate end
%W selection set active
%W see active
}
bind Table <Shift-Control-Home> {::tk::table::DataExtend %W origin}
bind Table <Shift-Control-End> {::tk::table::DataExtend %W end}
bind Table <Select> {::tk::table::BeginSelect %W [%W index active]}
bind Table <Shift-Select> {::tk::table::BeginExtend %W [%W index active]}
bind Table <Control-slash> {::tk::table::SelectAll %W}
bind Table <Control-backslash> {
if {[string match browse [%W cget -selectmode]]} {%W selection clear all}
}
bind Table <Up> {::tk::table::MoveCell %W -1 0}
bind Table <Down> {::tk::table::MoveCell %W 1 0}
bind Table <Left> {::tk::table::MoveCell %W 0 -1}
bind Table <Right> {::tk::table::MoveCell %W 0 1}
bind Table <KeyPress> {::tk::table::Insert %W %A}
bind Table <BackSpace> {::tk::table::BackSpace %W}
bind Table <Delete> {%W delete active insert}
bind Table <Escape> {%W reread}
#bind Table <Return> {::tk::table::MoveCell %W 1 0}
bind Table <Return> {::tk::table::Insert %W "\n"}
bind Table <Control-Left> {%W icursor [expr {[%W icursor]-1}]}
bind Table <Control-Right> {%W icursor [expr {[%W icursor]+1}]}
bind Table <Control-e> {%W icursor end}
bind Table <Control-a> {%W icursor 0}
bind Table <Control-k> {%W delete active insert end}
bind Table <Control-equal> {::tk::table::ChangeWidth %W active 1}
bind Table <Control-minus> {::tk::table::ChangeWidth %W active -1}
# Ignore all Alt, Meta, and Control keypresses unless explicitly bound.
# Otherwise, if a widget binding for one of these is defined, the
# <KeyPress> class binding will also fire and insert the character,
# which is wrong. Ditto for Tab.
bind Table <Alt-KeyPress> {# nothing}
bind Table <Meta-KeyPress> {# nothing}
bind Table <Control-KeyPress> {# nothing}
bind Table <Any-Tab> {# nothing}
if {[string match "macintosh" $::tcl_platform(platform)]} {
bind Table <Command-KeyPress> {# nothing}
}
# ::tk::table::GetSelection --
# This tries to obtain the default selection. On Unix, we first try
# and get a UTF8_STRING, a type supported by modern Unix apps for
# passing Unicode data safely. We fall back on the default STRING
# type otherwise. On Windows, only the STRING type is necessary.
# Arguments:
# w The widget for which the selection will be retrieved.
# Important for the -displayof property.
# sel The source of the selection (PRIMARY or CLIPBOARD)
# Results:
# Returns the selection, or an error if none could be found
#
if {[string compare $::tcl_platform(platform) "unix"]} {
proc ::tk::table::GetSelection {w {sel PRIMARY}} {
if {[catch {selection get -displayof $w -selection $sel} txt]} {
return -code error "could not find default selection"
} else {
return $txt
}
}
} else {
proc ::tk::table::GetSelection {w {sel PRIMARY}} {
if {[catch {selection get -displayof $w -selection $sel \
-type UTF8_STRING} txt] \
&& [catch {selection get -displayof $w -selection $sel} txt]} {
return -code error "could not find default selection"
} else {
return $txt
}
}
}
# ::tk::table::CancelRepeat --
# A copy of tkCancelRepeat, just in case it's not available or changes.
# This procedure is invoked to cancel an auto-repeat action described
# by ::tk::table::Priv(afterId). It's used by several widgets to auto-scroll
# the widget when the mouse is dragged out of the widget with a
# button pressed.
#
# Arguments:
# None.
proc ::tk::table::CancelRepeat {} {
variable Priv
after cancel $Priv(afterId)
set Priv(afterId) {}
}
# ::tk::table::Insert --
#
# Insert into the active cell
#
# Arguments:
# w - the table widget
# s - the string to insert
# Results:
# Returns nothing
#
proc ::tk::table::Insert {w s} {
if {[string compare $s {}]} {
$w insert active insert $s
}
}
# ::tk::table::BackSpace --
#
# BackSpace in the current cell
#
# Arguments:
# w - the table widget
# Results:
# Returns nothing
#
proc ::tk::table::BackSpace {w} {
set cur [$w icursor]
if {[string compare {} $cur] && $cur} {
$w delete active [expr {$cur-1}]
}
}
# ::tk::table::Button1 --
#
# This procedure is called to handle selecting with mouse button 1.
# It will distinguish whether to start selection or mark a border.
#
# Arguments:
# w - the table widget
# x - x coord
# y - y coord
# Results:
# Returns nothing
#
proc ::tk::table::Button1 {w x y} {
variable Priv
#
# $Priv(borderInfo) is null if the user did not click on a border
#
if {$Priv(borderB1) == 1} {
set Priv(borderInfo) [$w border mark $x $y]
# account for what resizeborders are set [Bug 876320] (ferenc)
set rbd [$w cget -resizeborders]
if {$rbd == "none" || ![llength $Priv(borderInfo)]
|| ($rbd == "col" && [lindex $Priv(borderInfo) 1] == "")
|| ($rbd == "row" && [lindex $Priv(borderInfo) 0] == "")} {
set Priv(borderInfo) ""
}
} else {
set Priv(borderInfo) ""
}
if {$Priv(borderInfo) == ""} {
#
# Only do this when a border wasn't selected
#
if {[winfo exists $w]} {
::tk::table::BeginSelect $w [$w index @$x,$y]
focus $w
}
array set Priv [list x $x y $y]
set Priv(mouseMoved) 0
}
}
# ::tk::table::B1Motion --
#
# This procedure is called to start processing mouse motion events while
# button 1 moves while pressed. It will distinguish whether to change
# the selection or move a border.
#
# Arguments:
# w - the table widget
# x - x coord
# y - y coord
# Results:
# Returns nothing
#
proc ::tk::table::B1Motion {w x y} {
variable Priv
# If we already had motion, or we moved more than 1 pixel,
# then we start the Motion routine
if {$Priv(borderInfo) != ""} {
#
# If the motion is on a border, drag it and skip the rest
# of this binding.
#
$w border dragto $x $y
} else {
#
# If we already had motion, or we moved more than 1 pixel,
# then we start the Motion routine
#
if {
$::tk::table::Priv(mouseMoved)
|| abs($x-$::tk::table::Priv(x)) > 1
|| abs($y-$::tk::table::Priv(y)) > 1
} {
set ::tk::table::Priv(mouseMoved) 1
}
if {$::tk::table::Priv(mouseMoved)} {
::tk::table::Motion $w [$w index @$x,$y]
}
}
}
# ::tk::table::BeginSelect --
#
# This procedure is typically invoked on button-1 presses. It begins
# the process of making a selection in the table. Its exact behavior
# depends on the selection mode currently in effect for the table;
# see the Motif documentation for details.
#
# Arguments:
# w - The table widget.
# el - The element for the selection operation (typically the
# one under the pointer). Must be in row,col form.
proc ::tk::table::BeginSelect {w el} {
variable Priv
if {[scan $el %d,%d r c] != 2} return
switch [$w cget -selectmode] {
multiple {
if {[$w tag includes title $el]} {
## in the title area
if {$r < [$w cget -titlerows]+[$w cget -roworigin]} {
## We're in a column header
if {$c < [$w cget -titlecols]+[$w cget -colorigin]} {
## We're in the topleft title area
set inc topleft
set el2 end
} else {
set inc [$w index topleft row],$c
set el2 [$w index end row],$c
}
} else {
## We're in a row header
set inc $r,[$w index topleft col]
set el2 $r,[$w index end col]
}
} else {
set inc $el
set el2 $el
}
if {[$w selection includes $inc]} {
$w selection clear $el $el2
} else {
$w selection set $el $el2
}
}
extended {
$w selection clear all
if {[$w tag includes title $el]} {
if {$r < [$w cget -titlerows]+[$w cget -roworigin]} {
## We're in a column header
if {$c < [$w cget -titlecols]+[$w cget -colorigin]} {
## We're in the topleft title area
$w selection set $el end
} else {
$w selection set $el [$w index end row],$c
}
} else {
## We're in a row header
$w selection set $el $r,[$w index end col]
}
} else {
$w selection set $el
}
$w selection anchor $el
set Priv(tablePrev) $el
}
default {
if {![$w tag includes title $el]} {
$w selection clear all
$w selection set $el
set Priv(tablePrev) $el
}
$w selection anchor $el
}
}
}
# ::tk::table::Motion --
#
# This procedure is called to process mouse motion events while
# button 1 is down. It may move or extend the selection, depending
# on the table's selection mode.
#
# Arguments:
# w - The table widget.
# el - The element under the pointer (must be in row,col form).
proc ::tk::table::Motion {w el} {
variable Priv
if {![info exists Priv(tablePrev)]} {
set Priv(tablePrev) $el
return
}
if {[string match $Priv(tablePrev) $el]} return
switch [$w cget -selectmode] {
browse {
$w selection clear all
$w selection set $el
set Priv(tablePrev) $el
}
extended {
# avoid tables that have no anchor index yet.
if {[catch {$w index anchor}]} { return }
scan $Priv(tablePrev) %d,%d r c
scan $el %d,%d elr elc
if {[$w tag includes title $el]} {
if {$r < [$w cget -titlerows]+[$w cget -roworigin]} {
## We're in a column header
if {$c < [$w cget -titlecols]+[$w cget -colorigin]} {
## We're in the topleft title area
$w selection clear anchor end
} else {
$w selection clear anchor [$w index end row],$c
}
$w selection set anchor [$w index end row],$elc
} else {
## We're in a row header
$w selection clear anchor $r,[$w index end col]
$w selection set anchor $elr,[$w index end col]
}
} else {
$w selection clear anchor $Priv(tablePrev)
$w selection set anchor $el
}
set Priv(tablePrev) $el
}
}
}
# ::tk::table::BeginExtend --
#
# This procedure is typically invoked on shift-button-1 presses. It
# begins the process of extending a selection in the table. Its
# exact behavior depends on the selection mode currently in effect
# for the table; see the Motif documentation for details.
#
# Arguments:
# w - The table widget.
# el - The element for the selection operation (typically the
# one under the pointer). Must be in numerical form.
proc ::tk::table::BeginExtend {w el} {
# avoid tables that have no anchor index yet.
if {[catch {$w index anchor}]} { return }
if {[string match extended [$w cget -selectmode]] &&
[$w selection includes anchor]} {
::tk::table::Motion $w $el
}
}
# ::tk::table::BeginToggle --
#
# This procedure is typically invoked on control-button-1 presses. It
# begins the process of toggling a selection in the table. Its
# exact behavior depends on the selection mode currently in effect
# for the table; see the Motif documentation for details.
#
# Arguments:
# w - The table widget.
# el - The element for the selection operation (typically the
# one under the pointer). Must be in numerical form.
proc ::tk::table::BeginToggle {w el} {
if {[string match extended [$w cget -selectmode]]} {
variable Priv
set Priv(tablePrev) $el
$w selection anchor $el
if {[$w tag includes title $el]} {
scan $el %d,%d r c
if {$r < [$w cget -titlerows]+[$w cget -roworigin]} {
## We're in a column header
if {$c < [$w cget -titlecols]+[$w cget -colorigin]} {
## We're in the topleft title area
set end end
} else {
set end [$w index end row],$c
}
} else {
## We're in a row header
set end $r,[$w index end col]
}
} else {
## We're in a non-title cell
set end $el
}
if {[$w selection includes $end]} {
$w selection clear $el $end
} else {
$w selection set $el $end
}
}
}
# ::tk::table::AutoScan --
# This procedure is invoked when the mouse leaves an table window
# with button 1 down. It scrolls the window up, down, left, or
# right, depending on where the mouse left the window, and reschedules
# itself as an "after" command so that the window continues to scroll until
# the mouse moves back into the window or the mouse button is released.
#
# Arguments:
# w - The table window.
proc ::tk::table::AutoScan {w} {
if {![winfo exists $w]} return
variable Priv
set x $Priv(x)
set y $Priv(y)
if {$y >= [winfo height $w]} {
$w yview scroll 1 units
} elseif {$y < 0} {
$w yview scroll -1 units
} elseif {$x >= [winfo width $w]} {
$w xview scroll 1 units
} elseif {$x < 0} {
$w xview scroll -1 units
} else {
return
}
::tk::table::Motion $w [$w index @$x,$y]
set Priv(afterId) [after 50 ::tk::table::AutoScan $w]
}
# ::tk::table::MoveCell --
#
# Moves the location cursor (active element) by the specified number
# of cells and changes the selection if we're in browse or extended
# selection mode. If the new cell is "hidden", we skip to the next
# visible cell if possible, otherwise just abort.
#
# Arguments:
# w - The table widget.
# x - +1 to move down one cell, -1 to move up one cell.
# y - +1 to move right one cell, -1 to move left one cell.
proc ::tk::table::MoveCell {w x y} {
if {[catch {$w index active row} r]} return
set c [$w index active col]
set cell [$w index [incr r $x],[incr c $y]]
while {[string compare [set true [$w hidden $cell]] {}]} {
# The cell is in some way hidden
if {[string compare $true [$w index active]]} {
# The span cell wasn't the previous cell, so go to that
set cell $true
break
}
if {$x > 0} {incr r} elseif {$x < 0} {incr r -1}
if {$y > 0} {incr c} elseif {$y < 0} {incr c -1}
if {[string compare $cell [$w index $r,$c]]} {
set cell [$w index $r,$c]
} else {
# We couldn't find a non-hidden cell, just don't move
return
}
}
$w activate $cell
$w see active
switch [$w cget -selectmode] {
browse {
$w selection clear all
$w selection set active
}
extended {
variable Priv
$w selection clear all
$w selection set active
$w selection anchor active
set Priv(tablePrev) [$w index active]
}
}
}
# ::tk::table::ExtendSelect --
#
# Does nothing unless we're in extended selection mode; in this
# case it moves the location cursor (active element) by the specified
# number of cells, and extends the selection to that point.
#
# Arguments:
# w - The table widget.
# x - +1 to move down one cell, -1 to move up one cell.
# y - +1 to move right one cell, -1 to move left one cell.
proc ::tk::table::ExtendSelect {w x y} {
if {[string compare extended [$w cget -selectmode]] ||
[catch {$w index active row} r]} return
set c [$w index active col]
$w activate [incr r $x],[incr c $y]
$w see active
::tk::table::Motion $w [$w index active]
}
# ::tk::table::DataExtend
#
# This procedure is called for key-presses such as Shift-KEndData.
# If the selection mode isnt multiple or extend then it does nothing.
# Otherwise it moves the active element to el and, if we're in
# extended mode, extends the selection to that point.
#
# Arguments:
# w - The table widget.
# el - An integer cell number.
proc ::tk::table::DataExtend {w el} {
set mode [$w cget -selectmode]
if {[string match extended $mode]} {
$w activate $el
$w see $el
if {[$w selection includes anchor]} {::tk::table::Motion $w $el}
} elseif {[string match multiple $mode]} {
$w activate $el
$w see $el
}
}
# ::tk::table::SelectAll
#
# This procedure is invoked to handle the "select all" operation.
# For single and browse mode, it just selects the active element.
# Otherwise it selects everything in the widget.
#
# Arguments:
# w - The table widget.
proc ::tk::table::SelectAll {w} {
if {[regexp {^(single|browse)$} [$w cget -selectmode]]} {
$w selection clear all
catch {$w selection set active}
} elseif {[$w cget -selecttitles]} {
$w selection set [$w cget -roworigin],[$w cget -colorigin] end
} else {
$w selection set origin end
}
}
# ::tk::table::ChangeWidth --
#
# Adjust the widget of the specified cell by $a.
#
# Arguments:
# w - The table widget.
# i - cell index
# a - amount to adjust by
proc ::tk::table::ChangeWidth {w i a} {
set tmp [$w index $i col]
if {[set width [$w width $tmp]] >= 0} {
$w width $tmp [incr width $a]
} else {
$w width $tmp [incr width [expr {-$a}]]
}
}
# tk_tableCopy --
#
# This procedure copies the selection from a table widget into the
# clipboard.
#
# Arguments:
# w - Name of a table widget.
proc tk_tableCopy w {
if {[selection own -displayof $w] == "$w"} {
clipboard clear -displayof $w
catch {clipboard append -displayof $w [::tk::table::GetSelection $w]}
}
}
# tk_tableCut --
#
# This procedure copies the selection from a table widget into the
# clipboard, then deletes the selection (if it exists in the given
# widget).
#
# Arguments:
# w - Name of a table widget.
proc tk_tableCut w {
if {[selection own -displayof $w] == "$w"} {
clipboard clear -displayof $w
catch {
clipboard append -displayof $w [::tk::table::GetSelection $w]
$w cursel {}
$w selection clear all
}
}
}
# tk_tablePaste --
#
# This procedure pastes the contents of the clipboard to the specified
# cell (active by default) in a table widget.
#
# Arguments:
# w - Name of a table widget.
# cell - Cell to start pasting in.
#
proc tk_tablePaste {w {cell {}}} {
if {[string compare {} $cell]} {
if {[catch {::tk::table::GetSelection $w} data]} return
} else {
if {[catch {::tk::table::GetSelection $w CLIPBOARD} data]} {
return
}
set cell active
}
tk_tablePasteHandler $w [$w index $cell] $data
if {[$w cget -state] == "normal"} {focus $w}
}
# tk_tablePasteHandler --
#
# This procedure handles how data is pasted into the table widget.
# This handles data in the default table selection form.
#
# NOTE: this allows pasting into all cells except title cells,
# even those with -state disabled
#
# Arguments:
# w - Name of a table widget.
# cell - Cell to start pasting in.
#
proc tk_tablePasteHandler {w cell data} {
#
# Don't allow pasting into the title cells
#
if {[$w tag includes title $cell]} {
return
}
set rows [expr {[$w cget -rows]-[$w cget -roworigin]}]
set cols [expr {[$w cget -cols]-[$w cget -colorigin]}]
set r [$w index $cell row]
set c [$w index $cell col]
set rsep [$w cget -rowseparator]
set csep [$w cget -colseparator]
## Assume separate rows are split by row separator if specified
## If you were to want multi-character row separators, you would need:
# regsub -all $rsep $data <newline> data
# set data [join $data <newline>]
if {[string compare {} $rsep]} { set data [split $data $rsep] }
set row $r
foreach line $data {
if {$row > $rows} break
set col $c
## Assume separate cols are split by col separator if specified
## Unless a -separator was specified
if {[string compare {} $csep]} { set line [split $line $csep] }
## If you were to want multi-character col separators, you would need:
# regsub -all $csep $line <newline> line
# set line [join $line <newline>]
foreach item $line {
if {$col > $cols} break
$w set $row,$col $item
incr col
}
incr row
}
}
# tk::table::Sort --
#
# This procedure handles how data is sorted in the table widget.
# This isn't currently used by tktable, but can be called by the user.
# It's behavior may change in the future.
#
# Arguments:
# w - Name of a table widget.
# start - start cell of rectangle to sort
# end - end cell of rectangle to sort
# col - column within rectangle to sort on
# args - passed to lsort proc (ie: -integer -decreasing)
proc ::tk::table::Sort {w start end col args} {
set start [$w index $start]
set end [$w index $end]
scan $start %d,%d sr sc
scan $end %d,%d er ec
if {($col < $sc) || ($col > $ec)} {
return -code error "$col is not within sort range $sc to $ec"
}
set col [expr {$col - $sc}]
set data {}
for {set i $sr} {$i <= $er} {incr i} {
lappend data [$w get $i,$sc $i,$ec]
}
set i $sr
foreach row [eval [list lsort -index $col] $args [list $data]] {
$w set row $i,$sc $row
incr i
}
}
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