1b593e1ea4
git-subtree-dir: third_party/git git-subtree-split: cb715685942260375e1eb8153b0768a376e4ece7
300 lines
6.6 KiB
Tcl
300 lines
6.6 KiB
Tcl
# incremental search panel
|
|
# based on code from gitk, Copyright (C) Paul Mackerras
|
|
|
|
class searchbar {
|
|
|
|
field w
|
|
field ctext
|
|
|
|
field searchstring {}
|
|
field regexpsearch
|
|
field default_regexpsearch
|
|
field casesensitive
|
|
field default_casesensitive
|
|
field smartcase
|
|
field searchdirn -forwards
|
|
|
|
field history
|
|
field history_index
|
|
|
|
field smarktop
|
|
field smarkbot
|
|
|
|
constructor new {i_w i_text args} {
|
|
global use_ttk NS
|
|
set w $i_w
|
|
set ctext $i_text
|
|
|
|
set default_regexpsearch [is_config_true gui.search.regexp]
|
|
switch -- [get_config gui.search.case] {
|
|
no {
|
|
set default_casesensitive 0
|
|
set smartcase 0
|
|
}
|
|
smart {
|
|
set default_casesensitive 0
|
|
set smartcase 1
|
|
}
|
|
yes -
|
|
default {
|
|
set default_casesensitive 1
|
|
set smartcase 0
|
|
}
|
|
}
|
|
|
|
set history [list]
|
|
|
|
${NS}::frame $w
|
|
${NS}::label $w.l -text [mc Find:]
|
|
tentry $w.ent -textvariable ${__this}::searchstring -background lightgreen
|
|
${NS}::button $w.bn -text [mc Next] -command [cb find_next]
|
|
${NS}::button $w.bp -text [mc Prev] -command [cb find_prev]
|
|
${NS}::checkbutton $w.re -text [mc RegExp] \
|
|
-variable ${__this}::regexpsearch -command [cb _incrsearch]
|
|
${NS}::checkbutton $w.cs -text [mc Case] \
|
|
-variable ${__this}::casesensitive -command [cb _incrsearch]
|
|
pack $w.l -side left
|
|
pack $w.cs -side right
|
|
pack $w.re -side right
|
|
pack $w.bp -side right
|
|
pack $w.bn -side right
|
|
pack $w.ent -side left -expand 1 -fill x
|
|
|
|
eval grid conf $w -sticky we $args
|
|
grid remove $w
|
|
|
|
trace add variable searchstring write [cb _incrsearch_cb]
|
|
bind $w.ent <Return> [cb find_next]
|
|
bind $w.ent <Shift-Return> [cb find_prev]
|
|
bind $w.ent <Key-Up> [cb _prev_search]
|
|
bind $w.ent <Key-Down> [cb _next_search]
|
|
|
|
bind $w <Destroy> [list delete_this $this]
|
|
return $this
|
|
}
|
|
|
|
method show {} {
|
|
if {![visible $this]} {
|
|
grid $w
|
|
$w.ent delete 0 end
|
|
set regexpsearch $default_regexpsearch
|
|
set casesensitive $default_casesensitive
|
|
set history_index [llength $history]
|
|
}
|
|
focus -force $w.ent
|
|
}
|
|
|
|
method hide {} {
|
|
if {[visible $this]} {
|
|
focus $ctext
|
|
grid remove $w
|
|
_save_search $this
|
|
}
|
|
}
|
|
|
|
method visible {} {
|
|
return [winfo ismapped $w]
|
|
}
|
|
|
|
method editor {} {
|
|
return $w.ent
|
|
}
|
|
|
|
method _get_new_anchor {} {
|
|
# use start of selection if it is visible,
|
|
# or the bounds of the visible area
|
|
set top [$ctext index @0,0]
|
|
set bottom [$ctext index @0,[winfo height $ctext]]
|
|
set sel [$ctext tag ranges sel]
|
|
if {$sel ne {}} {
|
|
set spos [lindex $sel 0]
|
|
if {[lindex $spos 0] >= [lindex $top 0] &&
|
|
[lindex $spos 0] <= [lindex $bottom 0]} {
|
|
return $spos
|
|
}
|
|
}
|
|
if {$searchdirn eq "-forwards"} {
|
|
return $top
|
|
} else {
|
|
return $bottom
|
|
}
|
|
}
|
|
|
|
method _get_wrap_anchor {dir} {
|
|
if {$dir eq "-forwards"} {
|
|
return 1.0
|
|
} else {
|
|
return end
|
|
}
|
|
}
|
|
|
|
method _do_search {start {mlenvar {}} {dir {}} {endbound {}}} {
|
|
set cmd [list $ctext search]
|
|
if {$mlenvar ne {}} {
|
|
upvar $mlenvar mlen
|
|
lappend cmd -count mlen
|
|
}
|
|
if {$regexpsearch} {
|
|
lappend cmd -regexp
|
|
}
|
|
if {!$casesensitive} {
|
|
lappend cmd -nocase
|
|
}
|
|
if {$dir eq {}} {
|
|
set dir $searchdirn
|
|
}
|
|
lappend cmd $dir -- $searchstring
|
|
if {[catch {
|
|
if {$endbound ne {}} {
|
|
set here [eval $cmd [list $start] [list $endbound]]
|
|
} else {
|
|
set here [eval $cmd [list $start]]
|
|
if {$here eq {}} {
|
|
set here [eval $cmd [_get_wrap_anchor $this $dir]]
|
|
}
|
|
}
|
|
} err]} { set here {} }
|
|
return $here
|
|
}
|
|
|
|
method _incrsearch_cb {name ix op} {
|
|
after idle [cb _incrsearch]
|
|
}
|
|
|
|
method _incrsearch {} {
|
|
$ctext tag remove found 1.0 end
|
|
if {[catch {$ctext index anchor}]} {
|
|
$ctext mark set anchor [_get_new_anchor $this]
|
|
}
|
|
if {$searchstring ne {}} {
|
|
if {$smartcase && [regexp {[[:upper:]]} $searchstring]} {
|
|
set casesensitive 1
|
|
}
|
|
set here [_do_search $this anchor mlen]
|
|
if {$here ne {}} {
|
|
$ctext see $here
|
|
$ctext tag remove sel 1.0 end
|
|
$ctext tag add sel $here "$here + $mlen c"
|
|
#$w.ent configure -background lightgreen
|
|
$w.ent state !pressed
|
|
_set_marks $this 1
|
|
} else {
|
|
#$w.ent configure -background lightpink
|
|
$w.ent state pressed
|
|
}
|
|
} elseif {$smartcase} {
|
|
# clearing the field resets the smart case detection
|
|
set casesensitive 0
|
|
}
|
|
}
|
|
|
|
method _save_search {} {
|
|
if {$searchstring eq {}} {
|
|
return
|
|
}
|
|
if {[llength $history] > 0} {
|
|
foreach {s_regexp s_case s_expr} [lindex $history end] break
|
|
} else {
|
|
set s_regexp $regexpsearch
|
|
set s_case $casesensitive
|
|
set s_expr ""
|
|
}
|
|
if {$searchstring eq $s_expr} {
|
|
# update modes
|
|
set history [lreplace $history end end \
|
|
[list $regexpsearch $casesensitive $searchstring]]
|
|
} else {
|
|
lappend history [list $regexpsearch $casesensitive $searchstring]
|
|
}
|
|
set history_index [llength $history]
|
|
}
|
|
|
|
method _prev_search {} {
|
|
if {$history_index > 0} {
|
|
incr history_index -1
|
|
foreach {s_regexp s_case s_expr} [lindex $history $history_index] break
|
|
$w.ent delete 0 end
|
|
$w.ent insert 0 $s_expr
|
|
set regexpsearch $s_regexp
|
|
set casesensitive $s_case
|
|
}
|
|
}
|
|
|
|
method _next_search {} {
|
|
if {$history_index < [llength $history]} {
|
|
incr history_index
|
|
}
|
|
if {$history_index < [llength $history]} {
|
|
foreach {s_regexp s_case s_expr} [lindex $history $history_index] break
|
|
} else {
|
|
set s_regexp $default_regexpsearch
|
|
set s_case $default_casesensitive
|
|
set s_expr ""
|
|
}
|
|
$w.ent delete 0 end
|
|
$w.ent insert 0 $s_expr
|
|
set regexpsearch $s_regexp
|
|
set casesensitive $s_case
|
|
}
|
|
|
|
method find_prev {} {
|
|
find_next $this -backwards
|
|
}
|
|
|
|
method find_next {{dir -forwards}} {
|
|
focus $w.ent
|
|
$w.ent icursor end
|
|
set searchdirn $dir
|
|
$ctext mark unset anchor
|
|
if {$searchstring ne {}} {
|
|
_save_search $this
|
|
set start [_get_new_anchor $this]
|
|
if {$dir eq "-forwards"} {
|
|
set start "$start + 1c"
|
|
}
|
|
set match [_do_search $this $start mlen]
|
|
$ctext tag remove sel 1.0 end
|
|
if {$match ne {}} {
|
|
$ctext see $match
|
|
$ctext tag add sel $match "$match + $mlen c"
|
|
}
|
|
}
|
|
}
|
|
|
|
method _mark_range {first last} {
|
|
set mend $first.0
|
|
while {1} {
|
|
set match [_do_search $this $mend mlen -forwards $last.end]
|
|
if {$match eq {}} break
|
|
set mend "$match + $mlen c"
|
|
$ctext tag add found $match $mend
|
|
}
|
|
}
|
|
|
|
method _set_marks {doall} {
|
|
set topline [lindex [split [$ctext index @0,0] .] 0]
|
|
set botline [lindex [split [$ctext index @0,[winfo height $ctext]] .] 0]
|
|
if {$doall || $botline < $smarktop || $topline > $smarkbot} {
|
|
# no overlap with previous
|
|
_mark_range $this $topline $botline
|
|
set smarktop $topline
|
|
set smarkbot $botline
|
|
} else {
|
|
if {$topline < $smarktop} {
|
|
_mark_range $this $topline [expr {$smarktop-1}]
|
|
set smarktop $topline
|
|
}
|
|
if {$botline > $smarkbot} {
|
|
_mark_range $this [expr {$smarkbot+1}] $botline
|
|
set smarkbot $botline
|
|
}
|
|
}
|
|
}
|
|
|
|
method scrolled {} {
|
|
if {$searchstring ne {}} {
|
|
after idle [cb _set_marks 0]
|
|
}
|
|
}
|
|
|
|
}
|