Files
git/lib/browser.tcl
Mark Levedahl 07714e220b git-gui: do not mix -translation binary and -encoding
git-gui has many instances of '-translation binary' and '-encoding
$SOMETHING' on the same channel.  As eofchar is always null given a
prior commit, the net effect of having '-translation binary' in such
configuration is only to change how text line endings are handled.

For cases where the channel is opened to be consumed via gets, the eol
translation is irrelevant because Tcl's gets is documented to recognize
any of \n, \r, and \r\n as a line ending.  So, keep only the '-encoding
$SOMETHING' configuration in these cases, making the configuration more
clear.

Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
2025-07-22 12:32:58 -04:00

320 lines
12 KiB
Tcl

# git-gui tree browser
# Copyright (C) 2006, 2007 Shawn Pearce
class browser {
image create photo ::browser::img_parent -data {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}
image create photo ::browser::img_rblob -data {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}
image create photo ::browser::img_xblob -data {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}
image create photo ::browser::img_tree -data {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}
image create photo ::browser::img_symlink -data {R0lGODlhEAAQAIQAAPwCBCwqLLSytLy+vERGRFRWVDQ2NKSmpAQCBKyurMTGxISChJyanHR2dIyKjGxubHRydGRmZIyOjFxeXHx6fAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAAAAALAAAAAAQABAAAAVbICACwWieY1CibCCsrBkMb0zchSEcNYskCtqBBzshFkOGQFk0IRqOxqPBODRHCMhCQKteRc9FI/KQWGOIyFYgkDC+gPR4snCcfRGKOIKIgSMQE31+f4OEYCZ+IQAh/mhDcmVhdGVkIGJ5IEJNUFRvR0lGIFBybyB2ZXJzaW9uIDIuNQ0KqSBEZXZlbENvciAxOTk3LDE5OTguIEFsbCByaWdodHMgcmVzZXJ2ZWQuDQpodHRwOi8vd3d3LmRldmVsY29yLmNvbQA7}
image create photo ::browser::img_unknown -data {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}
field w
field browser_commit
field browser_path
field browser_files {}
field browser_status [mc "Starting..."]
field browser_stack {}
field browser_busy 1
field ls_buf {}; # Buffered record output from ls-tree
constructor new {commit {path {}}} {
global cursor_ptr M1B
make_dialog top w
wm withdraw $top
wm title $top [mc "%s (%s): File Browser" [appname] [reponame]]
if {$path ne {}} {
if {[string index $path end] ne {/}} {
append path /
}
}
set browser_commit $commit
set browser_path "$browser_commit:[escape_path $path]"
ttk::label $w.path \
-textvariable @browser_path \
-anchor w \
-justify left \
-font font_uibold
pack $w.path -anchor w -side top -fill x
ttk::frame $w.list
set w_list $w.list.l
text $w_list -background white -foreground black \
-borderwidth 0 \
-cursor $cursor_ptr \
-state disabled \
-wrap none \
-height 20 \
-width 70 \
-xscrollcommand [list $w.list.sbx set] \
-yscrollcommand [list $w.list.sby set]
rmsel_tag $w_list
ttk::scrollbar $w.list.sbx -orient h -command [list $w_list xview]
ttk::scrollbar $w.list.sby -orient v -command [list $w_list yview]
pack $w.list.sbx -side bottom -fill x
pack $w.list.sby -side right -fill y
pack $w_list -side left -fill both -expand 1
pack $w.list -side top -fill both -expand 1
ttk::label $w.status \
-textvariable @browser_status \
-anchor w \
-justify left
pack $w.status -anchor w -side bottom -fill x
bind $w_list <Button-1> "[cb _click 0 @%x,%y];break"
bind $w_list <Double-Button-1> "[cb _click 1 @%x,%y];break"
bind $w_list <$M1B-Up> "[cb _parent] ;break"
bind $w_list <$M1B-Left> "[cb _parent] ;break"
bind $w_list <Up> "[cb _move -1] ;break"
bind $w_list <Down> "[cb _move 1] ;break"
bind $w_list <$M1B-Right> "[cb _enter] ;break"
bind $w_list <Return> "[cb _enter] ;break"
bind $w_list <Prior> "[cb _page -1] ;break"
bind $w_list <Next> "[cb _page 1] ;break"
bind $w_list <Left> break
bind $w_list <Right> break
bind $w_list <Visibility> [list focus $w_list]
wm deiconify $top
set w $w_list
if {$path ne {}} {
_ls $this $browser_commit:$path $path
} else {
_ls $this $browser_commit $path
}
return $this
}
method _move {dir} {
if {$browser_busy} return
set lno [lindex [split [$w index in_sel.first] .] 0]
incr lno $dir
if {[lindex $browser_files [expr {$lno - 1}]] ne {}} {
$w tag remove in_sel 0.0 end
$w tag add in_sel $lno.0 [expr {$lno + 1}].0
$w see $lno.0
}
}
method _page {dir} {
if {$browser_busy} return
$w yview scroll $dir pages
set lno [expr {int(
[lindex [$w yview] 0]
* [llength $browser_files]
+ 1)}]
if {[lindex $browser_files [expr {$lno - 1}]] ne {}} {
$w tag remove in_sel 0.0 end
$w tag add in_sel $lno.0 [expr {$lno + 1}].0
$w see $lno.0
}
}
method _parent {} {
if {$browser_busy} return
set info [lindex $browser_files 0]
if {[lindex $info 0] eq {parent}} {
set parent [lindex $browser_stack end-1]
set browser_stack [lrange $browser_stack 0 end-2]
if {$browser_stack eq {}} {
regsub {:.*$} $browser_path {:} browser_path
} else {
regsub {/[^/]+/$} $browser_path {/} browser_path
}
set browser_status [mc "Loading %s..." $browser_path]
_ls $this [lindex $parent 0] [lindex $parent 1]
}
}
method _enter {} {
if {$browser_busy} return
set lno [lindex [split [$w index in_sel.first] .] 0]
set info [lindex $browser_files [expr {$lno - 1}]]
if {$info ne {}} {
switch -- [lindex $info 0] {
parent {
_parent $this
}
tree {
set name [lindex $info 2]
set escn [escape_path $name]
set browser_status [mc "Loading %s..." $escn]
append browser_path $escn
_ls $this [lindex $info 1] $name
}
blob {
set name [lindex $info 2]
set p {}
foreach n $browser_stack {
append p [lindex $n 1]
}
append p $name
blame::new $browser_commit $p {}
}
}
}
}
method _click {was_double_click pos} {
if {$browser_busy} return
set lno [lindex [split [$w index $pos] .] 0]
focus $w
if {[lindex $browser_files [expr {$lno - 1}]] ne {}} {
$w tag remove in_sel 0.0 end
$w tag add in_sel $lno.0 [expr {$lno + 1}].0
if {$was_double_click} {
_enter $this
}
}
}
method _ls {tree_id {name {}}} {
set ls_buf {}
set browser_files {}
set browser_busy 1
$w conf -state normal
$w tag remove in_sel 0.0 end
$w delete 0.0 end
if {$browser_stack ne {}} {
$w image create end \
-align center -padx 5 -pady 1 \
-name icon0 \
-image ::browser::img_parent
$w insert end [mc "\[Up To Parent\]"]
lappend browser_files parent
}
lappend browser_stack [list $tree_id $name]
$w conf -state disabled
set fd [git_read [list ls-tree -z $tree_id]]
fconfigure $fd -blocking 0 -encoding utf-8
fileevent $fd readable [cb _read $fd]
}
method _read {fd} {
append ls_buf [read $fd]
set pck [split $ls_buf "\0"]
set ls_buf [lindex $pck end]
set n [llength $browser_files]
$w conf -state normal
foreach p [lrange $pck 0 end-1] {
set tab [string first "\t" $p]
if {$tab == -1} continue
set info [split [string range $p 0 [expr {$tab - 1}]] { }]
set path [string range $p [expr {$tab + 1}] end]
set type [lindex $info 1]
set object [lindex $info 2]
switch -- $type {
blob {
scan [lindex $info 0] %o mode
if {$mode == 0120000} {
set image ::browser::img_symlink
} elseif {($mode & 0100) != 0} {
set image ::browser::img_xblob
} else {
set image ::browser::img_rblob
}
}
tree {
set image ::browser::img_tree
append path /
}
default {
set image ::browser::img_unknown
}
}
if {$n > 0} {$w insert end "\n"}
$w image create end \
-align center -padx 5 -pady 1 \
-name icon[incr n] \
-image $image
$w insert end [escape_path $path]
lappend browser_files [list $type $object $path]
}
$w conf -state disabled
if {[eof $fd]} {
close $fd
set browser_status [mc "Ready."]
set browser_busy 0
set ls_buf {}
if {$n > 0} {
$w tag add in_sel 1.0 2.0
focus -force $w
}
}
} ifdeleted {
catch {close $fd}
}
}
class browser_open {
field w ; # widget path
field w_rev ; # mega-widget to pick the initial revision
constructor dialog {} {
make_dialog top w
wm withdraw $top
wm title $top [mc "%s (%s): Browse Branch Files" [appname] [reponame]]
if {$top ne {.}} {
wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
wm transient $top .
}
ttk::label $w.header \
-text [mc "Browse Branch Files"] \
-font font_uibold \
-anchor center
pack $w.header -side top -fill x
ttk::frame $w.buttons
ttk::button $w.buttons.browse -text [mc Browse] \
-default active \
-command [cb _open]
pack $w.buttons.browse -side right
ttk::button $w.buttons.cancel -text [mc Cancel] \
-command [list destroy $w]
pack $w.buttons.cancel -side right -padx 5
pack $w.buttons -side bottom -fill x -pady 10 -padx 10
set w_rev [::choose_rev::new $w.rev [mc Revision]]
$w_rev bind_listbox <Double-Button-1> [cb _open]
pack $w.rev -anchor nw -fill both -expand 1 -pady 5 -padx 5
bind $w <Visibility> [cb _visible]
bind $w <Key-Escape> [list destroy $w]
bind $w <Key-Return> [cb _open]\;break
wm deiconify $top
tkwait window $w
}
method _open {} {
if {[catch {$w_rev commit_or_die} err]} {
return
}
set name [$w_rev get]
destroy $w
browser::new $name
}
method _visible {} {
grab $w
$w_rev focus_filter
}
}