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- # ------------------------------------------------------------------------------
- # entry.tcl
- # This file is part of Unifix BWidget Toolkit
- # $Id: entry.tcl,v 1.1.1.1 1996/02/22 06:05:55 daniel Exp $
- # ------------------------------------------------------------------------------
- # Index of commands:
- # - Entry::create
- # - Entry::configure
- # - Entry::cget
- # - Entry::_destroy
- # - Entry::_init_drag_cmd
- # - Entry::_end_drag_cmd
- # - Entry::_drop_cmd
- # - Entry::_over_cmd
- # - Entry::_auto_scroll
- # - Entry::_scroll
- # ------------------------------------------------------------------------------
-
- namespace eval Entry {
- Widget::tkinclude Entry entry :cmd \
- remove {-state -cursor -foreground -textvariable}
-
- Widget::declare Entry {
- {-foreground TkResource "" 0 entry}
- {-disabledforeground TkResource "" 0 button}
- {-state Enum normal 0 {normal disabled}}
- {-text String "" 0}
- {-textvariable String "" 0}
- {-editable Boolean 1 0}
- {-command String "" 0}
- {-relief TkResource "" 0 entry}
- {-borderwidth TkResource "" 0 entry}
- {-fg Synonym -foreground}
- {-bd Synonym -borderwidth}
- }
-
- DynamicHelp::include Entry balloon
- DragSite::include Entry "" 3
- DropSite::include Entry {
- TEXT {move {}}
- FGCOLOR {move {}}
- BGCOLOR {move {}}
- COLOR {move {}}
- }
-
- foreach event [bind Entry] {
- bind BwEntry $event [bind Entry $event]
- }
- bind BwEntry <Return> {Entry::invoke %W}
- bind BwEntry <Destroy> {Entry::_destroy %W}
-
- proc ::Entry { path args } { return [eval Entry::create $path $args] }
- proc use {} {}
- }
-
-
- # ------------------------------------------------------------------------------
- # Command Entry::create
- # ------------------------------------------------------------------------------
- proc Entry::create { path args } {
- variable $path
- upvar 0 $path data
-
- Widget::init Entry $path $args
-
- set data(afterid) ""
- if { [set varname [Widget::getoption $path -textvariable]] != "" } {
- set data(varname) $varname
- } else {
- set data(varname) Entry::$path\(var\)
- }
-
- if { [GlobalVar::exists $data(varname)] } {
- set curval [GlobalVar::getvar $data(varname)]
- Widget::setoption $path -text $curval
- } else {
- set curval [Widget::getoption $path -text]
- GlobalVar::setvar $data(varname) $curval
- }
-
- eval entry $path [Widget::subcget $path :cmd]
- uplevel \#0 $path configure -textvariable [list $data(varname)]
-
- set state [Widget::getoption $path -state]
- set editable [Widget::getoption $path -editable]
- if { $editable && ![string compare $state "normal"] } {
- bindtags $path [list $path BwEntry [winfo toplevel $path] all]
- $path configure -takefocus 1
- } else {
- bindtags $path [list $path BwDisabledEntry [winfo toplevel $path] all]
- $path configure -takefocus 0
- }
- if { $editable == 0 } {
- $path configure -cursor left_ptr
- }
- if { ![string compare $state "disabled"] } {
- $path configure -foreground [Widget::getoption $path -disabledforeground]
- }
-
- DragSite::setdrag $path $path Entry::_init_drag_cmd Entry::_end_drag_cmd 1
- DropSite::setdrop $path $path Entry::_over_cmd Entry::_drop_cmd 1
- DynamicHelp::sethelp $path $path 1
-
- rename $path ::$path:cmd
- proc ::$path { cmd args } "return \[Entry::_path_command $path \$cmd \$args\]"
-
- return $path
- }
-
-
- # ------------------------------------------------------------------------------
- # Command Entry::configure
- # ------------------------------------------------------------------------------
- proc Entry::configure { path args } {
- variable $path
- upvar 0 $path data
-
- Widget::setoption $path -text [$path:cmd get]
-
- set res [Widget::configure $path $args]
-
- set chstate [Widget::hasChanged $path -state state]
- set cheditable [Widget::hasChanged $path -editable editable]
- set chfg [Widget::hasChanged $path -foreground fg]
- set chdfg [Widget::hasChanged $path -disabledforeground dfg]
-
- if { $chstate || $cheditable } {
- set btags [bindtags $path]
- if { $editable && ![string compare $state "normal"] } {
- set idx [lsearch $btags BwDisabledEntry]
- if { $idx != -1 } {
- bindtags $path [lreplace $btags $idx $idx BwEntry]
- }
- $path:cmd configure -takefocus 1
- } else {
- set idx [lsearch $btags BwEntry]
- if { $idx != -1 } {
- bindtags $path [lreplace $btags $idx $idx BwDisabledEntry]
- }
- $path:cmd configure -takefocus 0
- if { ![string compare [focus] $path] } {
- focus .
- }
- }
- }
-
- if { $chstate || $chfg || $chdfg } {
- if { ![string compare $state "disabled"] } {
- $path:cmd configure -fg $dfg
- } else {
- $path:cmd configure -fg $fg
- }
- }
-
- if { $cheditable } {
- if { $editable } {
- $path:cmd configure -cursor xterm
- } else {
- $path:cmd configure -cursor left_ptr
- }
- }
-
- if { [Widget::hasChanged $path -textvariable varname] } {
- if { [string length $varname] } {
- set data(varname) $varname
- } else {
- catch {unset data(var)}
- set data(varname) Entry::$path\(var\)
- }
- if { [GlobalVar::exists $data(varname)] } {
- set curval [GlobalVar::getvar $data(varname)]
- Widget::setoption $path -text $curval
- } else {
- Widget::hasChanged $path -text curval
- GlobalVar::setvar $data(varname) $curval
- }
- uplevel \#0 $path:cmd configure -textvariable [list $data(varname)]
- }
-
- if { [Widget::hasChanged $path -text curval] } {
- if { [Widget::getoption $path -textvariable] == "" } {
- GlobalVar::setvar $data(varname) $curval
- } else {
- Widget::setoption $path -text [GlobalVar::getvar $data(varname)]
- }
- }
-
- DragSite::setdrag $path $path Entry::_init_drag_cmd Entry::_end_drag_cmd
- DropSite::setdrop $path $path Entry::_over_cmd Entry::_drop_cmd
- DynamicHelp::sethelp $path $path
-
- return $res
- }
-
-
- # ------------------------------------------------------------------------------
- # Command Entry::cget
- # ------------------------------------------------------------------------------
- proc Entry::cget { path option } {
- Widget::setoption $path -text [$path:cmd get]
- return [Widget::cget $path $option]
- }
-
-
- # ------------------------------------------------------------------------------
- # Command Entry::invoke
- # ------------------------------------------------------------------------------
- proc Entry::invoke { path } {
- if { [set cmd [Widget::getoption $path -command]] != "" } {
- uplevel \#0 $cmd
- }
- }
-
-
- # ------------------------------------------------------------------------------
- # Command Entry::_path_command
- # ------------------------------------------------------------------------------
- proc Entry::_path_command { path cmd larg } {
- if { ![string compare $cmd "configure"] || ![string compare $cmd "cget"] } {
- return [eval Entry::$cmd $path $larg]
- } else {
- return [eval $path:cmd $cmd $larg]
- }
- }
-
-
- # ------------------------------------------------------------------------------
- # Command Entry::_destroy
- # ------------------------------------------------------------------------------
- proc Entry::_destroy { path } {
- variable $path
- upvar 0 $path data
-
- Widget::destroy $path
- rename $path {}
- unset data
- }
-
-
- # ------------------------------------------------------------------------------
- # Command Entry::_init_drag_cmd
- # ------------------------------------------------------------------------------
- proc Entry::_init_drag_cmd { path X Y top } {
- variable $path
- upvar 0 $path data
-
- if { [set cmd [Widget::getoption $path -draginitcmd]] != "" } {
- return [uplevel \#0 $cmd [list $path $X $Y $top]]
- }
- set type [Widget::getoption $path -dragtype]
- if { $type == "" } {
- set type "TEXT"
- }
- if { [set drag [$path get]] != "" } {
- if { [$path:cmd selection present] } {
- set idx [$path:cmd index @[expr $X-[winfo rootx $path]]]
- set sel0 [$path:cmd index sel.first]
- set sel1 [expr [$path:cmd index sel.last]-1]
- if { $idx >= $sel0 && $idx <= $sel1 } {
- set drag [string range $drag $sel0 $sel1]
- set data(dragstart) $sel0
- set data(dragend) [expr {$sel1+1}]
- if { ![Widget::getoption $path -editable] ||
- [Widget::getoption $path -state] == "disabled" } {
- return [list $type {copy} $drag]
- } else {
- return [list $type {copy move} $drag]
- }
- }
- } else {
- set data(dragstart) 0
- set data(dragend) end
- if { ![Widget::getoption $path -editable] ||
- [Widget::getoption $path -state] == "disabled" } {
- return [list $type {copy} $drag]
- } else {
- return [list $type {copy move} $drag]
- }
- }
- }
- }
-
-
- # ------------------------------------------------------------------------------
- # Command Entry::_end_drag_cmd
- # ------------------------------------------------------------------------------
- proc Entry::_end_drag_cmd { path target op type dnddata result } {
- variable $path
- upvar 0 $path data
-
- if { [set cmd [Widget::getoption $path -dragendcmd]] != "" } {
- return [uplevel \#0 $cmd [list $path $target $op $type $dnddata $result]]
- }
- if { $result && $op == "move" && $path != $target } {
- $path:cmd delete $data(dragstart) $data(dragend)
- }
- }
-
-
- # ------------------------------------------------------------------------------
- # Command Entry::_drop_cmd
- # ------------------------------------------------------------------------------
- proc Entry::_drop_cmd { path source X Y op type dnddata } {
- variable $path
- upvar 0 $path data
-
- if { $data(afterid) != "" } {
- after cancel $data(afterid)
- set data(afterid) ""
- }
- if { [set cmd [Widget::getoption $path -dropcmd]] != "" } {
- set idx [$path:cmd index @[expr $X-[winfo rootx $path]]]
- return [uplevel \#0 $cmd [list $path $source $idx $op $type $dnddata]]
- }
- if { $type == "COLOR" || $type == "FGCOLOR" } {
- configure $path -foreground $dnddata
- } elseif { $type == "BGCOLOR" } {
- configure $path -background $dnddata
- } else {
- $path:cmd icursor @[expr $X-[winfo rootx $path]]
- if { $op == "move" && $path == $source } {
- $path:cmd delete $data(dragstart) $data(dragend)
- }
- set sel0 [$path index insert]
- $path:cmd insert insert $dnddata
- set sel1 [$path index insert]
- $path:cmd selection range $sel0 $sel1
- }
- return 1
- }
-
-
- # ------------------------------------------------------------------------------
- # Command Entry::_over_cmd
- # ------------------------------------------------------------------------------
- proc Entry::_over_cmd { path source event X Y op type dnddata } {
- variable $path
- upvar 0 $path data
-
- set x [expr $X-[winfo rootx $path]]
- if { ![string compare $event "leave"] } {
- if { [string length $data(afterid)] } {
- after cancel $data(afterid)
- set data(afterid) ""
- }
- } elseif { [_auto_scroll $path $x] } {
- return 2
- }
-
- if { [set cmd [Widget::getoption $path -dropovercmd]] != "" } {
- set x [expr $X-[winfo rootx $path]]
- set idx [$path:cmd index @$x]
- set res [uplevel \#0 $cmd [list $path $source $event $idx $op $type $dnddata]]
- return $res
- }
-
- if { ![string compare $type "COLOR"] ||
- ![string compare $type "FGCOLOR"] ||
- ![string compare $type "BGCOLOR"] } {
- DropSite::setcursor based_arrow_down
- return 1
- }
- if { [Widget::getoption $path -editable] && ![string compare [Widget::getoption $path -state] "normal"] } {
- if { [string compare $event "leave"] } {
- $path:cmd selection clear
- $path:cmd icursor @$x
- DropSite::setcursor based_arrow_down
- return 3
- }
- }
- DropSite::setcursor dot
- return 0
- }
-
-
- # ------------------------------------------------------------------------------
- # Command Entry::_auto_scroll
- # ------------------------------------------------------------------------------
- proc Entry::_auto_scroll { path x } {
- variable $path
- upvar 0 $path data
-
- set xmax [winfo width $path]
- if { $x <= 10 && [$path:cmd index @0] > 0 } {
- if { $data(afterid) == "" } {
- set data(afterid) [after 100 "Entry::_scroll $path -1 $x $xmax"]
- DropSite::setcursor sb_left_arrow
- }
- return 1
- } else {
- if { $x >= $xmax-10 && [$path:cmd index @$xmax] < [$path:cmd index end] } {
- if { $data(afterid) == "" } {
- set data(afterid) [after 100 "Entry::_scroll $path 1 $x $xmax"]
- DropSite::setcursor sb_right_arrow
- }
- return 1
- } else {
- if { $data(afterid) != "" } {
- after cancel $data(afterid)
- set data(afterid) ""
- }
- }
- }
- return 0
- }
-
-
- # ------------------------------------------------------------------------------
- # Command Entry::_scroll
- # ------------------------------------------------------------------------------
- proc Entry::_scroll { path dir x xmax } {
- variable $path
- upvar 0 $path data
-
- $path:cmd xview scroll $dir units
- $path:cmd icursor @$x
- if { ($dir == -1 && [$path:cmd index @0] > 0) ||
- ($dir == 1 && [$path:cmd index @$xmax] < [$path:cmd index end]) } {
- set data(afterid) [after 100 "Entry::_scroll $path $dir $x $xmax"]
- } else {
- set data(afterid) ""
- DropSite::setcursor dot
- }
- }
-
-