Andrew's git - gitweb.git/blob - git-gui/lib/browser.tcl

   1# git-gui tree browser
   2# Copyright (C) 2006, 2007 Shawn Pearce
   3
   4class browser {
   5
   6image create photo ::browser::img_parent  -data {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}
   7image create photo ::browser::img_rblob   -data {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}
   8image create photo ::browser::img_xblob   -data {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}
   9image create photo ::browser::img_tree    -data {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}
  10image create photo ::browser::img_symlink -data {R0lGODlhEAAQAIQAAPwCBCwqLLSytLy+vERGRFRWVDQ2NKSmpAQCBKyurMTGxISChJyanHR2dIyKjGxubHRydGRmZIyOjFxeXHx6fAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAAAAALAAAAAAQABAAAAVbICACwWieY1CibCCsrBkMb0zchSEcNYskCtqBBzshFkOGQFk0IRqOxqPBODRHCMhCQKteRc9FI/KQWGOIyFYgkDC+gPR4snCcfRGKOIKIgSMQE31+f4OEYCZ+IQAh/mhDcmVhdGVkIGJ5IEJNUFRvR0lGIFBybyB2ZXJzaW9uIDIuNQ0KqSBEZXZlbENvciAxOTk3LDE5OTguIEFsbCByaWdodHMgcmVzZXJ2ZWQuDQpodHRwOi8vd3d3LmRldmVsY29yLmNvbQA7}
  11image create photo ::browser::img_unknown -data {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}
  12
  13field w
  14field browser_commit
  15field browser_path
  16field browser_files  {}
  17field browser_status [mc "Starting..."]
  18field browser_stack  {}
  19field browser_busy   1
  20
  21field ls_buf     {}; # Buffered record output from ls-tree
  22
  23constructor new {commit {path {}}} {
  24        global cursor_ptr M1B use_ttk NS
  25        make_dialog top w
  26        wm withdraw $top
  27        wm title $top [append "[appname] ([reponame]): " [mc "File Browser"]]
  28
  29        if {$path ne {}} {
  30                if {[string index $path end] ne {/}} {
  31                        append path /
  32                }
  33        }
  34
  35        set browser_commit $commit
  36        set browser_path "$browser_commit:[escape_path $path]"
  37
  38        ${NS}::label $w.path \
  39                -textvariable @browser_path \
  40                -anchor w \
  41                -justify left \
  42                -font font_uibold
  43        if {!$use_ttk} { $w.path configure -borderwidth 1 -relief sunken}
  44        pack $w.path -anchor w -side top -fill x
  45
  46        ${NS}::frame $w.list
  47        set w_list $w.list.l
  48        text $w_list -background white -foreground black \
  49                -borderwidth 0 \
  50                -cursor $cursor_ptr \
  51                -state disabled \
  52                -wrap none \
  53                -height 20 \
  54                -width 70 \
  55                -xscrollcommand [list $w.list.sbx set] \
  56                -yscrollcommand [list $w.list.sby set]
  57        rmsel_tag $w_list
  58        ${NS}::scrollbar $w.list.sbx -orient h -command [list $w_list xview]
  59        ${NS}::scrollbar $w.list.sby -orient v -command [list $w_list yview]
  60        pack $w.list.sbx -side bottom -fill x
  61        pack $w.list.sby -side right -fill y
  62        pack $w_list -side left -fill both -expand 1
  63        pack $w.list -side top -fill both -expand 1
  64
  65        ${NS}::label $w.status \
  66                -textvariable @browser_status \
  67                -anchor w \
  68                -justify left
  69        if {!$use_ttk} { $w.status configure -borderwidth 1 -relief sunken}
  70        pack $w.status -anchor w -side bottom -fill x
  71
  72        bind $w_list <Button-1>        "[cb _click 0 @%x,%y];break"
  73        bind $w_list <Double-Button-1> "[cb _click 1 @%x,%y];break"
  74        bind $w_list <$M1B-Up>         "[cb _parent]        ;break"
  75        bind $w_list <$M1B-Left>       "[cb _parent]        ;break"
  76        bind $w_list <Up>              "[cb _move -1]       ;break"
  77        bind $w_list <Down>            "[cb _move  1]       ;break"
  78        bind $w_list <$M1B-Right>      "[cb _enter]         ;break"
  79        bind $w_list <Return>          "[cb _enter]         ;break"
  80        bind $w_list <Prior>           "[cb _page -1]       ;break"
  81        bind $w_list <Next>            "[cb _page  1]       ;break"
  82        bind $w_list <Left>            break
  83        bind $w_list <Right>           break
  84
  85        bind $w_list <Visibility> [list focus $w_list]
  86        wm deiconify $top
  87        set w $w_list
  88        if {$path ne {}} {
  89                _ls $this $browser_commit:$path $path
  90        } else {
  91                _ls $this $browser_commit $path
  92        }
  93        return $this
  94}
  95
  96method _move {dir} {
  97        if {$browser_busy} return
  98        set lno [lindex [split [$w index in_sel.first] .] 0]
  99        incr lno $dir
 100        if {[lindex $browser_files [expr {$lno - 1}]] ne {}} {
 101                $w tag remove in_sel 0.0 end
 102                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
 103                $w see $lno.0
 104        }
 105}
 106
 107method _page {dir} {
 108        if {$browser_busy} return
 109        $w yview scroll $dir pages
 110        set lno [expr {int(
 111                  [lindex [$w yview] 0]
 112                * [llength $browser_files]
 113                + 1)}]
 114        if {[lindex $browser_files [expr {$lno - 1}]] ne {}} {
 115                $w tag remove in_sel 0.0 end
 116                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
 117                $w see $lno.0
 118        }
 119}
 120
 121method _parent {} {
 122        if {$browser_busy} return
 123        set info [lindex $browser_files 0]
 124        if {[lindex $info 0] eq {parent}} {
 125                set parent [lindex $browser_stack end-1]
 126                set browser_stack [lrange $browser_stack 0 end-2]
 127                if {$browser_stack eq {}} {
 128                        regsub {:.*$} $browser_path {:} browser_path
 129                } else {
 130                        regsub {/[^/]+/$} $browser_path {/} browser_path
 131                }
 132                set browser_status [mc "Loading %s..." $browser_path]
 133                _ls $this [lindex $parent 0] [lindex $parent 1]
 134        }
 135}
 136
 137method _enter {} {
 138        if {$browser_busy} return
 139        set lno [lindex [split [$w index in_sel.first] .] 0]
 140        set info [lindex $browser_files [expr {$lno - 1}]]
 141        if {$info ne {}} {
 142                switch -- [lindex $info 0] {
 143                parent {
 144                        _parent $this
 145                }
 146                tree {
 147                        set name [lindex $info 2]
 148                        set escn [escape_path $name]
 149                        set browser_status [mc "Loading %s..." $escn]
 150                        append browser_path $escn
 151                        _ls $this [lindex $info 1] $name
 152                }
 153                blob {
 154                        set name [lindex $info 2]
 155                        set p {}
 156                        foreach n $browser_stack {
 157                                append p [lindex $n 1]
 158                        }
 159                        append p $name
 160                        blame::new $browser_commit $p {}
 161                }
 162                }
 163        }
 164}
 165
 166method _click {was_double_click pos} {
 167        if {$browser_busy} return
 168        set lno [lindex [split [$w index $pos] .] 0]
 169        focus $w
 170
 171        if {[lindex $browser_files [expr {$lno - 1}]] ne {}} {
 172                $w tag remove in_sel 0.0 end
 173                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
 174                if {$was_double_click} {
 175                        _enter $this
 176                }
 177        }
 178}
 179
 180method _ls {tree_id {name {}}} {
 181        set ls_buf {}
 182        set browser_files {}
 183        set browser_busy 1
 184
 185        $w conf -state normal
 186        $w tag remove in_sel 0.0 end
 187        $w delete 0.0 end
 188        if {$browser_stack ne {}} {
 189                $w image create end \
 190                        -align center -padx 5 -pady 1 \
 191                        -name icon0 \
 192                        -image ::browser::img_parent
 193                $w insert end [mc "\[Up To Parent\]"]
 194                lappend browser_files parent
 195        }
 196        lappend browser_stack [list $tree_id $name]
 197        $w conf -state disabled
 198
 199        set fd [git_read ls-tree -z $tree_id]
 200        fconfigure $fd -blocking 0 -translation binary -encoding binary
 201        fileevent $fd readable [cb _read $fd]
 202}
 203
 204method _read {fd} {
 205        append ls_buf [read $fd]
 206        set pck [split $ls_buf "\0"]
 207        set ls_buf [lindex $pck end]
 208
 209        set n [llength $browser_files]
 210        $w conf -state normal
 211        foreach p [lrange $pck 0 end-1] {
 212                set tab [string first "\t" $p]
 213                if {$tab == -1} continue
 214
 215                set info [split [string range $p 0 [expr {$tab - 1}]] { }]
 216                set path [string range $p [expr {$tab + 1}] end]
 217                set type   [lindex $info 1]
 218                set object [lindex $info 2]
 219
 220                switch -- $type {
 221                blob {
 222                        scan [lindex $info 0] %o mode
 223                        if {$mode == 0120000} {
 224                                set image ::browser::img_symlink
 225                        } elseif {($mode & 0100) != 0} {
 226                                set image ::browser::img_xblob
 227                        } else {
 228                                set image ::browser::img_rblob
 229                        }
 230                }
 231                tree {
 232                        set image ::browser::img_tree
 233                        append path /
 234                }
 235                default {
 236                        set image ::browser::img_unknown
 237                }
 238                }
 239
 240                if {$n > 0} {$w insert end "\n"}
 241                $w image create end \
 242                        -align center -padx 5 -pady 1 \
 243                        -name icon[incr n] \
 244                        -image $image
 245                $w insert end [escape_path $path]
 246                lappend browser_files [list $type $object $path]
 247        }
 248        $w conf -state disabled
 249
 250        if {[eof $fd]} {
 251                close $fd
 252                set browser_status [mc "Ready."]
 253                set browser_busy 0
 254                set ls_buf {}
 255                if {$n > 0} {
 256                        $w tag add in_sel 1.0 2.0
 257                        focus -force $w
 258                }
 259        }
 260} ifdeleted {
 261        catch {close $fd}
 262}
 263
 264}
 265
 266class browser_open {
 267
 268field w              ; # widget path
 269field w_rev          ; # mega-widget to pick the initial revision
 270
 271constructor dialog {} {
 272        global use_ttk NS
 273        make_dialog top w
 274        wm withdraw $top
 275        wm title $top [append "[appname] ([reponame]): " [mc "Browse Branch Files"]]
 276        if {$top ne {.}} {
 277                wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
 278                wm transient $top .
 279        }
 280
 281        ${NS}::label $w.header \
 282                -text [mc "Browse Branch Files"] \
 283                -font font_uibold \
 284                -anchor center
 285        pack $w.header -side top -fill x
 286
 287        ${NS}::frame $w.buttons
 288        ${NS}::button $w.buttons.browse -text [mc Browse] \
 289                -default active \
 290                -command [cb _open]
 291        pack $w.buttons.browse -side right
 292        ${NS}::button $w.buttons.cancel -text [mc Cancel] \
 293                -command [list destroy $w]
 294        pack $w.buttons.cancel -side right -padx 5
 295        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
 296
 297        set w_rev [::choose_rev::new $w.rev [mc Revision]]
 298        $w_rev bind_listbox <Double-Button-1> [cb _open]
 299        pack $w.rev -anchor nw -fill both -expand 1 -pady 5 -padx 5
 300
 301        bind $w <Visibility> [cb _visible]
 302        bind $w <Key-Escape> [list destroy $w]
 303        bind $w <Key-Return> [cb _open]\;break
 304        wm deiconify $top
 305        tkwait window $w
 306}
 307
 308method _open {} {
 309        if {[catch {$w_rev commit_or_die} err]} {
 310                return
 311        }
 312        set name [$w_rev get]
 313        destroy $w
 314        browser::new $name
 315}
 316
 317method _visible {} {
 318        grab $w
 319        $w_rev focus_filter
 320}
 321
 322}