# git-gui tree browser
# Copyright (C) 2006, 2007 Shawn Pearce
-set next_browser_id 0
-
-proc new_browser {commit} {
- global next_browser_id cursor_ptr M1B
- global browser_commit browser_status browser_stack browser_path browser_busy
-
- if {[winfo ismapped .]} {
- set w .browser[incr next_browser_id]
- set tl $w
- toplevel $w
- } else {
- set w {}
- set tl .
- }
- set w_list $w.list.l
- set browser_commit($w_list) $commit
- set browser_status($w_list) {Starting...}
- set browser_stack($w_list) {}
- set browser_path($w_list) $browser_commit($w_list):
- set browser_busy($w_list) 1
-
- label $w.path -textvariable browser_path($w_list) \
+class browser {
+
+field w
+field browser_commit
+field browser_path
+field browser_files {}
+field browser_status {Starting...}
+field browser_stack {}
+field browser_busy 1
+
+constructor new {commit} {
+ global cursor_ptr M1B
+ make_toplevel top w
+ wm title $top "[appname] ([reponame]): File Browser"
+
+ set browser_commit $commit
+ set browser_path $browser_commit:
+
+ label $w.path \
+ -textvariable @browser_path \
-anchor w \
-justify left \
-borderwidth 1 \
pack $w.path -anchor w -side top -fill x
frame $w.list
+ set w_list $w.list.l
text $w_list -background white -borderwidth 0 \
-cursor $cursor_ptr \
-state disabled \
pack $w_list -side left -fill both -expand 1
pack $w.list -side top -fill both -expand 1
- label $w.status -textvariable browser_status($w_list) \
+ label $w.status \
+ -textvariable @browser_status \
-anchor w \
-justify left \
-borderwidth 1 \
-relief sunken
pack $w.status -anchor w -side bottom -fill x
- bind $w_list <Button-1> "browser_click 0 $w_list @%x,%y;break"
- bind $w_list <Double-Button-1> "browser_click 1 $w_list @%x,%y;break"
- bind $w_list <$M1B-Up> "browser_parent $w_list;break"
- bind $w_list <$M1B-Left> "browser_parent $w_list;break"
- bind $w_list <Up> "browser_move -1 $w_list;break"
- bind $w_list <Down> "browser_move 1 $w_list;break"
- bind $w_list <$M1B-Right> "browser_enter $w_list;break"
- bind $w_list <Return> "browser_enter $w_list;break"
- bind $w_list <Prior> "browser_page -1 $w_list;break"
- bind $w_list <Next> "browser_page 1 $w_list;break"
+ 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 $tl <Visibility> "focus $w"
- bind $tl <Destroy> "
- array unset browser_buffer $w_list
- array unset browser_files $w_list
- array unset browser_status $w_list
- array unset browser_stack $w_list
- array unset browser_path $w_list
- array unset browser_commit $w_list
- array unset browser_busy $w_list
- "
- wm title $tl "[appname] ([reponame]): File Browser"
- ls_tree $w_list $browser_commit($w_list) {}
+ bind $w_list <Visibility> [list focus $w_list]
+ bind $w_list <Destroy> [list delete_this $this]
+ set w $w_list
+ _ls $this $browser_commit
+ return $this
}
-proc browser_move {dir w} {
- global browser_files browser_busy
-
- if {$browser_busy($w)} return
+method _move {dir} {
+ if {$browser_busy} return
set lno [lindex [split [$w index in_sel.first] .] 0]
incr lno $dir
- if {[lindex $browser_files($w) [expr {$lno - 1}]] ne {}} {
+ 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 $lno.0
}
}
-proc browser_page {dir w} {
- global browser_files browser_busy
-
- if {$browser_busy($w)} return
+method _page {dir} {
+ if {$browser_busy} return
$w yview scroll $dir pages
set lno [expr {int(
[lindex [$w yview] 0]
- * [llength $browser_files($w)]
+ * [llength $browser_files]
+ 1)}]
- if {[lindex $browser_files($w) [expr {$lno - 1}]] ne {}} {
+ 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 $lno.0
}
}
-proc browser_parent {w} {
- global browser_files browser_status browser_path
- global browser_stack browser_busy
-
- if {$browser_busy($w)} return
- set info [lindex $browser_files($w) 0]
+method _parent {} {
+ if {$browser_busy} return
+ set info [lindex $browser_files 0]
if {[lindex $info 0] eq {parent}} {
- set parent [lindex $browser_stack($w) end-1]
- set browser_stack($w) [lrange $browser_stack($w) 0 end-2]
- if {$browser_stack($w) eq {}} {
- regsub {:.*$} $browser_path($w) {:} browser_path($w)
+ set parent [lindex $browser_stack end-1]
+ set browser_stack [lrange $browser_stack 0 end-2]
+ if {$browser_stack eq {}} {
+ regsub {:.*$} $browser_path {:} browser_path
} else {
- regsub {/[^/]+$} $browser_path($w) {} browser_path($w)
+ regsub {/[^/]+$} $browser_path {} browser_path
}
- set browser_status($w) "Loading $browser_path($w)..."
- ls_tree $w [lindex $parent 0] [lindex $parent 1]
+ set browser_status "Loading $browser_path..."
+ _ls $this [lindex $parent 0] [lindex $parent 1]
}
}
-proc browser_enter {w} {
- global browser_files browser_status browser_path
- global browser_commit browser_stack browser_busy
-
- if {$browser_busy($w)} return
+method _enter {} {
+ if {$browser_busy} return
set lno [lindex [split [$w index in_sel.first] .] 0]
- set info [lindex $browser_files($w) [expr {$lno - 1}]]
+ set info [lindex $browser_files [expr {$lno - 1}]]
if {$info ne {}} {
switch -- [lindex $info 0] {
parent {
- browser_parent $w
+ _parent $this
}
tree {
set name [lindex $info 2]
set escn [escape_path $name]
- set browser_status($w) "Loading $escn..."
- append browser_path($w) $escn
- ls_tree $w [lindex $info 1] $name
+ set browser_status "Loading $escn..."
+ append browser_path $escn
+ _ls $this [lindex $info 1] $name
}
blob {
set name [lindex $info 2]
set p {}
- foreach n $browser_stack($w) {
+ foreach n $browser_stack {
append p [lindex $n 1]
}
append p $name
- show_blame $browser_commit($w) $p
+ blame::new $browser_commit $p
}
}
}
}
-proc browser_click {was_double_click w pos} {
- global browser_files browser_busy
-
- if {$browser_busy($w)} return
+method _click {was_double_click pos} {
+ if {$browser_busy} return
set lno [lindex [split [$w index $pos] .] 0]
focus $w
- if {[lindex $browser_files($w) [expr {$lno - 1}]] ne {}} {
+ 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} {
- browser_enter $w
+ _enter $this
}
}
}
-proc ls_tree {w tree_id name} {
- global browser_buffer browser_files browser_stack browser_busy
-
- set browser_buffer($w) {}
- set browser_files($w) {}
- set browser_busy($w) 1
+method _ls {tree_id {name {}}} {
+ set browser_buffer {}
+ 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($w) ne {}} {
+ if {$browser_stack ne {}} {
$w image create end \
-align center -padx 5 -pady 1 \
-name icon0 \
-image file_uplevel
$w insert end {[Up To Parent]}
- lappend browser_files($w) parent
+ lappend browser_files parent
}
- lappend browser_stack($w) [list $tree_id $name]
+ lappend browser_stack [list $tree_id $name]
$w conf -state disabled
set cmd [list git ls-tree -z $tree_id]
set fd [open "| $cmd" r]
fconfigure $fd -blocking 0 -translation binary -encoding binary
- fileevent $fd readable [list read_ls_tree $fd $w]
+ fileevent $fd readable [cb _read $fd]
}
-proc read_ls_tree {fd w} {
- global browser_buffer browser_files browser_status browser_busy
-
- if {![winfo exists $w]} {
- catch {close $fd}
- return
- }
-
- append browser_buffer($w) [read $fd]
- set pck [split $browser_buffer($w) "\0"]
- set browser_buffer($w) [lindex $pck end]
+method _read {fd} {
+ append browser_buffer [read $fd]
+ set pck [split $browser_buffer "\0"]
+ set browser_buffer [lindex $pck end]
- set n [llength $browser_files($w)]
+ set n [llength $browser_files]
$w conf -state normal
foreach p [lrange $pck 0 end-1] {
set info [split $p "\t"]
-name icon[incr n] \
-image $image
$w insert end [escape_path $path]
- lappend browser_files($w) [list $type $object $path]
+ lappend browser_files [list $type $object $path]
}
$w conf -state disabled
if {[eof $fd]} {
close $fd
- set browser_status($w) Ready.
- set browser_busy($w) 0
- array unset browser_buffer $w
+ set browser_status Ready.
+ set browser_busy 0
+ unset browser_buffer
if {$n > 0} {
$w tag add in_sel 1.0 2.0
focus -force $w
}
}
+} ifdeleted {
+ catch {close $fd}
+}
+
}