git-gui/lib/blame.tcl

   1 # git-gui blame viewer
   2 # Copyright (C) 2006, 2007 Shawn Pearce
   3
   4 class blame {
   5
   6 image create photo ::blame::img_back_arrow -data {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}
   7
   8 # Persistant data (survives loads)
   9 #
  10 field history {}; # viewer history: {commit path}
  11 field header    ; # array commit,key -> header field
  12
  13 # Tk UI control paths
  14 #
  15 field w          ; # top window in this viewer
  16 field w_back     ; # our back button
  17 field w_path     ; # label showing the current file path
  18 field w_columns  ; # list of all column widgets in the viewer
  19 field w_line     ; # text column: all line numbers
  20 field w_amov     ; # text column: annotations + move tracking
  21 field w_asim     ; # text column: annotations (simple computation)
  22 field w_file     ; # text column: actual file data
  23 field w_cviewer  ; # pane showing commit message
  24 field status     ; # text variable bound to status bar
  25 field old_height ; # last known height of $w.file_pane
  26
  27 # Tk UI colors
  28 #
  29 variable active_color #c0edc5
  30 variable group_colors {
  31         #d6d6d6
  32         #e1e1e1
  33         #ececec
  34 }
  35
  36 # Current blame data; cleared/reset on each load
  37 #
  38 field commit               ; # input commit to blame
  39 field path                 ; # input filename to view in $commit
  40
  41 field current_fd        {} ; # background process running
  42 field highlight_line    -1 ; # current line selected
  43 field highlight_column  {} ; # current commit column selected
  44 field highlight_commit  {} ; # sha1 of commit selected
  45
  46 field total_lines       0  ; # total length of file
  47 field blame_lines       0  ; # number of lines computed
  48 field amov_data            ; # list of {commit origfile origline}
  49 field asim_data            ; # list of {commit origfile origline}
  50
  51 field r_commit             ; # commit currently being parsed
  52 field r_orig_line          ; # original line number
  53 field r_final_line         ; # final line number
  54 field r_line_count         ; # lines in this region
  55
  56 field tooltip_wm        {} ; # Current tooltip toplevel, if open
  57 field tooltip_t         {} ; # Text widget in $tooltip_wm
  58 field tooltip_timer     {} ; # Current timer event for our tooltip
  59 field tooltip_commit    {} ; # Commit(s) in tooltip
  60
  61 constructor new {i_commit i_path} {
  62         global cursor_ptr
  63         variable active_color
  64         variable group_colors
  65
  66         set commit $i_commit
  67         set path   $i_path
  68
  69         make_toplevel top w
  70         wm title $top "[appname] ([reponame]): File Viewer"
  71
  72         frame $w.header -background gold
  73         label $w.header.commit_l \
  74                 -text {Commit:} \
  75                 -background gold \
  76                 -anchor w \
  77                 -justify left
  78         set w_back $w.header.commit_b
  79         label $w_back \
  80                 -image ::blame::img_back_arrow \
  81                 -borderwidth 0 \
  82                 -relief flat \
  83                 -state disabled \
  84                 -background gold \
  85                 -activebackground gold
  86         bind $w_back <Button-1> "
  87                 if {\[$w_back cget -state\] eq {normal}} {
  88                         [cb _history_menu]
  89                 }
  90                 "
  91         label $w.header.commit \
  92                 -textvariable @commit \
  93                 -background gold \
  94                 -anchor w \
  95                 -justify left
  96         label $w.header.path_l \
  97                 -text {File:} \
  98                 -background gold \
  99                 -anchor w \
 100                 -justify left
 101         set w_path $w.header.path
 102         label $w_path \
 103                 -background gold \
 104                 -anchor w \
 105                 -justify left
 106         pack $w.header.commit_l -side left
 107         pack $w_back -side left
 108         pack $w.header.commit -side left
 109         pack $w_path -fill x -side right
 110         pack $w.header.path_l -side right
 111
 112         panedwindow $w.file_pane -orient vertical
 113         frame $w.file_pane.out
 114         frame $w.file_pane.cm
 115         $w.file_pane add $w.file_pane.out \
 116                 -sticky nsew \
 117                 -minsize 100 \
 118                 -height 100 \
 119                 -width 100
 120         $w.file_pane add $w.file_pane.cm \
 121                 -sticky nsew \
 122                 -minsize 25 \
 123                 -height 25 \
 124                 -width 100
 125
 126         set w_line $w.file_pane.out.linenumber_t
 127         text $w_line \
 128                 -takefocus 0 \
 129                 -highlightthickness 0 \
 130                 -padx 0 -pady 0 \
 131                 -background white -borderwidth 0 \
 132                 -state disabled \
 133                 -wrap none \
 134                 -height 40 \
 135                 -width 6 \
 136                 -font font_diff
 137         $w_line tag conf linenumber -justify right -rmargin 5
 138
 139         set w_amov $w.file_pane.out.amove_t
 140         text $w_amov \
 141                 -takefocus 0 \
 142                 -highlightthickness 0 \
 143                 -padx 0 -pady 0 \
 144                 -background white -borderwidth 0 \
 145                 -state disabled \
 146                 -wrap none \
 147                 -height 40 \
 148                 -width 5 \
 149                 -font font_diff
 150         $w_amov tag conf author_abbr -justify right -rmargin 5
 151         $w_amov tag conf curr_commit
 152         $w_amov tag conf prior_commit -foreground blue -underline 1
 153         $w_amov tag bind prior_commit \
 154                 <Button-1> \
 155                 "[cb _load_commit $w_amov @amov_data @%x,%y];break"
 156
 157         set w_asim $w.file_pane.out.asimple_t
 158         text $w_asim \
 159                 -takefocus 0 \
 160                 -highlightthickness 0 \
 161                 -padx 0 -pady 0 \
 162                 -background white -borderwidth 0 \
 163                 -state disabled \
 164                 -wrap none \
 165                 -height 40 \
 166                 -width 4 \
 167                 -font font_diff
 168         $w_asim tag conf author_abbr -justify right
 169         $w_asim tag conf curr_commit
 170         $w_asim tag conf prior_commit -foreground blue -underline 1
 171         $w_asim tag bind prior_commit \
 172                 <Button-1> \
 173                 "[cb _load_commit $w_asim @asim_data @%x,%y];break"
 174
 175         set w_file $w.file_pane.out.file_t
 176         text $w_file \
 177                 -takefocus 0 \
 178                 -highlightthickness 0 \
 179                 -padx 0 -pady 0 \
 180                 -background white -borderwidth 0 \
 181                 -state disabled \
 182                 -wrap none \
 183                 -height 40 \
 184                 -width 80 \
 185                 -xscrollcommand [list $w.file_pane.out.sbx set] \
 186                 -font font_diff
 187
 188         set w_columns [list $w_amov $w_asim $w_line $w_file]
 189
 190         scrollbar $w.file_pane.out.sbx \
 191                 -orient h \
 192                 -command [list $w_file xview]
 193         scrollbar $w.file_pane.out.sby \
 194                 -orient v \
 195                 -command [list scrollbar2many $w_columns yview]
 196         eval grid $w_columns $w.file_pane.out.sby -sticky nsew
 197         grid conf \
 198                 $w.file_pane.out.sbx \
 199                 -column [expr {[llength $w_columns] - 1}] \
 200                 -sticky we
 201         grid columnconfigure \
 202                 $w.file_pane.out \
 203                 [expr {[llength $w_columns] - 1}] \
 204                 -weight 1
 205         grid rowconfigure $w.file_pane.out 0 -weight 1
 206
 207         set w_cviewer $w.file_pane.cm.t
 208         text $w_cviewer \
 209                 -background white -borderwidth 0 \
 210                 -state disabled \
 211                 -wrap none \
 212                 -height 10 \
 213                 -width 80 \
 214                 -xscrollcommand [list $w.file_pane.cm.sbx set] \
 215                 -yscrollcommand [list $w.file_pane.cm.sby set] \
 216                 -font font_diff
 217         $w_cviewer tag conf still_loading \
 218                 -font font_uiitalic \
 219                 -justify center
 220         $w_cviewer tag conf header_key \
 221                 -tabs {3c} \
 222                 -background $active_color \
 223                 -font font_uibold
 224         $w_cviewer tag conf header_val \
 225                 -background $active_color \
 226                 -font font_ui
 227         $w_cviewer tag raise sel
 228         scrollbar $w.file_pane.cm.sbx \
 229                 -orient h \
 230                 -command [list $w_cviewer xview]
 231         scrollbar $w.file_pane.cm.sby \
 232                 -orient v \
 233                 -command [list $w_cviewer yview]
 234         pack $w.file_pane.cm.sby -side right -fill y
 235         pack $w.file_pane.cm.sbx -side bottom -fill x
 236         pack $w_cviewer -expand 1 -fill both
 237
 238         frame $w.status \
 239                 -borderwidth 1 \
 240                 -relief sunken
 241         label $w.status.l \
 242                 -textvariable @status \
 243                 -anchor w \
 244                 -justify left
 245         pack $w.status.l -side left
 246
 247         menu $w.ctxm -tearoff 0
 248         $w.ctxm add command \
 249                 -label "Copy Commit" \
 250                 -command [cb _copycommit]
 251
 252         foreach i $w_columns {
 253                 for {set g 0} {$g < [llength $group_colors]} {incr g} {
 254                         $i tag conf color$g -background [lindex $group_colors $g]
 255                 }
 256
 257                 $i conf -cursor $cursor_ptr
 258                 $i conf -yscrollcommand [list many2scrollbar \
 259                         $w_columns yview $w.file_pane.out.sby]
 260                 bind $i <Button-1> "
 261                         [cb _hide_tooltip]
 262                         [cb _click $i @%x,%y]
 263                         focus $i
 264                 "
 265                 bind $i <Any-Motion>  [cb _show_tooltip $i @%x,%y]
 266                 bind $i <Any-Enter>   [cb _hide_tooltip]
 267                 bind $i <Any-Leave>   [cb _hide_tooltip]
 268                 bind_button3 $i "
 269                         [cb _hide_tooltip]
 270                         set cursorX %x
 271                         set cursorY %y
 272                         set cursorW %W
 273                         tk_popup $w.ctxm %X %Y
 274                 "
 275         }
 276
 277         foreach i [concat $w_columns $w_cviewer] {
 278                 bind $i <Key-Up>        {catch {%W yview scroll -1 units};break}
 279                 bind $i <Key-Down>      {catch {%W yview scroll  1 units};break}
 280                 bind $i <Key-Left>      {catch {%W xview scroll -1 units};break}
 281                 bind $i <Key-Right>     {catch {%W xview scroll  1 units};break}
 282                 bind $i <Key-k>         {catch {%W yview scroll -1 units};break}
 283                 bind $i <Key-j>         {catch {%W yview scroll  1 units};break}
 284                 bind $i <Key-h>         {catch {%W xview scroll -1 units};break}
 285                 bind $i <Key-l>         {catch {%W xview scroll  1 units};break}
 286                 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
 287                 bind $i <Control-Key-f> {catch {%W yview scroll  1 pages};break}
 288         }
 289
 290         bind $w_cviewer <Button-1> [list focus $w_cviewer]
 291         bind $top <Visibility> [list focus $top]
 292
 293         grid configure $w.header -sticky ew
 294         grid configure $w.file_pane -sticky nsew
 295         grid configure $w.status -sticky ew
 296         grid columnconfigure $top 0 -weight 1
 297         grid rowconfigure $top 0 -weight 0
 298         grid rowconfigure $top 1 -weight 1
 299         grid rowconfigure $top 2 -weight 0
 300
 301         set req_w [winfo reqwidth  $top]
 302         set req_h [winfo reqheight $top]
 303         if {$req_w < 600} {set req_w 600}
 304         if {$req_h < 400} {set req_h 400}
 305         set g "${req_w}x${req_h}"
 306         wm geometry $top $g
 307         update
 308
 309         set old_height [winfo height $w.file_pane]
 310         $w.file_pane sash place 0 \
 311                 [lindex [$w.file_pane sash coord 0] 0] \
 312                 [expr {int($old_height * 0.70)}]
 313         bind $w.file_pane <Configure> \
 314         "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
 315
 316         _load $this {}
 317 }
 318
 319 method _load {jump} {
 320         variable group_colors
 321
 322         _hide_tooltip $this
 323
 324         if {$total_lines != 0 || $current_fd ne {}} {
 325                 if {$current_fd ne {}} {
 326                         catch {close $current_fd}
 327                         set current_fd {}
 328                 }
 329
 330                 foreach i $w_columns {
 331                         $i conf -state normal
 332                         $i delete 0.0 end
 333                         foreach g [$i tag names] {
 334                                 if {[regexp {^g[0-9a-f]{40}$} $g]} {
 335                                         $i tag delete $g
 336                                 }
 337                         }
 338                         $i conf -state disabled
 339                 }
 340
 341                 $w_cviewer conf -state normal
 342                 $w_cviewer delete 0.0 end
 343                 $w_cviewer conf -state disabled
 344
 345                 set highlight_line -1
 346                 set highlight_column {}
 347                 set highlight_commit {}
 348                 set total_lines 0
 349         }
 350
 351         if {[winfo exists $w.status.c]} {
 352                 $w.status.c coords bar 0 0 0 20
 353         } else {
 354                 canvas $w.status.c \
 355                         -width 100 \
 356                         -height [expr {int([winfo reqheight $w.status.l] * 0.6)}] \
 357                         -borderwidth 1 \
 358                         -relief groove \
 359                         -highlightt 0
 360                 $w.status.c create rectangle 0 0 0 20 -tags bar -fill navy
 361                 pack $w.status.c -side right
 362         }
 363
 364         if {$history eq {}} {
 365                 $w_back conf -state disabled
 366         } else {
 367                 $w_back conf -state normal
 368         }
 369
 370         # Index 0 is always empty.  There is never line 0 as
 371         # we use only 1 based lines, as that matches both with
 372         # git-blame output and with Tk's text widget.
 373         #
 374         set amov_data [list [list]]
 375         set asim_data [list [list]]
 376
 377         set status "Loading $commit:[escape_path $path]..."
 378         $w_path conf -text [escape_path $path]
 379         if {$commit eq {}} {
 380                 set fd [open $path r]
 381         } else {
 382                 set cmd [list git cat-file blob "$commit:$path"]
 383                 set fd [open "| $cmd" r]
 384         }
 385         fconfigure $fd -blocking 0 -translation lf -encoding binary
 386         fileevent $fd readable [cb _read_file $fd $jump]
 387         set current_fd $fd
 388 }
 389
 390 method _history_menu {} {
 391         set m $w.backmenu
 392         if {[winfo exists $m]} {
 393                 $m delete 0 end
 394         } else {
 395                 menu $m -tearoff 0
 396         }
 397
 398         for {set i [expr {[llength $history] - 1}]
 399                 } {$i >= 0} {incr i -1} {
 400                 set e [lindex $history $i]
 401                 set c [lindex $e 0]
 402                 set f [lindex $e 1]
 403
 404                 if {[regexp {^[0-9a-f]{40}$} $c]} {
 405                         set t [string range $c 0 8]...
 406                 } elseif {$c eq {}} {
 407                         set t {Working Directory}
 408                 } else {
 409                         set t $c
 410                 }
 411                 if {![catch {set summary $header($c,summary)}]} {
 412                         append t " $summary"
 413                         if {[string length $t] > 70} {
 414                                 set t [string range $t 0 66]...
 415                         }
 416                 }
 417
 418                 $m add command -label $t -command [cb _goback $i]
 419         }
 420         set X [winfo rootx $w_back]
 421         set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
 422         tk_popup $m $X $Y
 423 }
 424
 425 method _goback {i} {
 426         set dat [lindex $history $i]
 427         set history [lrange $history 0 [expr {$i - 1}]]
 428         set commit [lindex $dat 0]
 429         set path [lindex $dat 1]
 430         _load $this [lrange $dat 2 5]
 431 }
 432
 433 method _read_file {fd jump} {
 434         if {$fd ne $current_fd} {
 435                 catch {close $fd}
 436                 return
 437         }
 438
 439         foreach i $w_columns {$i conf -state normal}
 440         while {[gets $fd line] >= 0} {
 441                 regsub "\r\$" $line {} line
 442                 incr total_lines
 443                 lappend amov_data {}
 444                 lappend asim_data {}
 445
 446                 if {$total_lines > 1} {
 447                         foreach i $w_columns {$i insert end "\n"}
 448                 }
 449
 450                 $w_line insert end "$total_lines" linenumber
 451                 $w_file insert end "$line"
 452         }
 453
 454         set ln_wc [expr {[string length $total_lines] + 2}]
 455         if {[$w_line cget -width] < $ln_wc} {
 456                 $w_line conf -width $ln_wc
 457         }
 458
 459         foreach i $w_columns {$i conf -state disabled}
 460
 461         if {[eof $fd]} {
 462                 close $fd
 463
 464                 # If we don't force Tk to update the widgets *right now*
 465                 # none of our jump commands will cause a change in the UI.
 466                 #
 467                 update
 468
 469                 if {[llength $jump] == 1} {
 470                         set highlight_line [lindex $jump 0]
 471                         $w_file see "$highlight_line.0"
 472                 } elseif {[llength $jump] == 4} {
 473                         set highlight_column [lindex $jump 0]
 474                         set highlight_line [lindex $jump 1]
 475                         $w_file xview moveto [lindex $jump 2]
 476                         $w_file yview moveto [lindex $jump 3]
 477                 }
 478
 479                 _exec_blame $this $w_asim @asim_data \
 480                         [list] \
 481                         { copy/move tracking}
 482         }
 483 } ifdeleted { catch {close $fd} }
 484
 485 method _exec_blame {cur_w cur_d options cur_s} {
 486         set cmd [list nice git blame]
 487         set cmd [concat $cmd $options]
 488         lappend cmd --incremental
 489         if {$commit eq {}} {
 490                 lappend cmd --contents $path
 491         } else {
 492                 lappend cmd $commit
 493         }
 494         lappend cmd -- $path
 495         set fd [open "| $cmd" r]
 496         fconfigure $fd -blocking 0 -translation lf -encoding binary
 497         fileevent $fd readable [cb _read_blame $fd $cur_w $cur_d $cur_s]
 498         set current_fd $fd
 499         set blame_lines 0
 500         _status $this $cur_s
 501 }
 502
 503 method _read_blame {fd cur_w cur_d cur_s} {
 504         upvar #0 $cur_d line_data
 505         variable group_colors
 506
 507         if {$fd ne $current_fd} {
 508                 catch {close $fd}
 509                 return
 510         }
 511
 512         $cur_w conf -state normal
 513         while {[gets $fd line] >= 0} {
 514                 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
 515                         cmit original_line final_line line_count]} {
 516                         set r_commit     $cmit
 517                         set r_orig_line  $original_line
 518                         set r_final_line $final_line
 519                         set r_line_count $line_count
 520                 } elseif {[string match {filename *} $line]} {
 521                         set file [string range $line 9 end]
 522                         set n    $r_line_count
 523                         set lno  $r_final_line
 524                         set oln  $r_orig_line
 525                         set cmit $r_commit
 526
 527                         if {[regexp {^0{40}$} $cmit]} {
 528                                 set commit_abbr work
 529                                 set commit_type curr_commit
 530                         } elseif {$cmit eq $commit} {
 531                                 set commit_abbr this
 532                                 set commit_type curr_commit
 533                         } else {
 534                                 set commit_type prior_commit
 535                                 set commit_abbr [string range $cmit 0 3]
 536                         }
 537
 538                         set author_abbr {}
 539                         set a_name {}
 540                         catch {set a_name $header($cmit,author)}
 541                         while {$a_name ne {}} {
 542                                 if {![regexp {^([[:upper:]])} $a_name _a]} break
 543                                 append author_abbr $_a
 544                                 unset _a
 545                                 if {![regsub \
 546                                         {^[[:upper:]][^\s]*\s+} \
 547                                         $a_name {} a_name ]} break
 548                         }
 549                         if {$author_abbr eq {}} {
 550                                 set author_abbr { |}
 551                         } else {
 552                                 set author_abbr [string range $author_abbr 0 3]
 553                         }
 554                         unset a_name
 555
 556                         set first_lno $lno
 557                         while {
 558                            $first_lno > 1
 559                         && $cmit eq [lindex $line_data [expr {$first_lno - 1}] 0]
 560                         && $file eq [lindex $line_data [expr {$first_lno - 1}] 1]
 561                         } {
 562                                 incr first_lno -1
 563                         }
 564
 565                         set color {}
 566                         if {$first_lno < $lno} {
 567                                 foreach g [$w_file tag names $first_lno.0] {
 568                                         if {[regexp {^color[0-9]+$} $g]} {
 569                                                 set color $g
 570                                                 break
 571                                         }
 572                                 }
 573                         } else {
 574                                 set i [lsort [concat \
 575                                         [$w_file tag names "[expr {$first_lno - 1}].0"] \
 576                                         [$w_file tag names "[expr {$lno + $n}].0"] \
 577                                         ]]
 578                                 for {set g 0} {$g < [llength $group_colors]} {incr g} {
 579                                         if {[lsearch -sorted -exact $i color$g] == -1} {
 580                                                 set color color$g
 581                                                 break
 582                                         }
 583                                 }
 584                         }
 585                         if {$color eq {}} {
 586                                 set color color0
 587                         }
 588
 589                         while {$n > 0} {
 590                                 set lno_e "$lno.0 lineend + 1c"
 591                                 if {[lindex $line_data $lno] ne {}} {
 592                                         set g [lindex $line_data $lno 0]
 593                                         foreach i $w_columns {
 594                                                 $i tag remove g$g $lno.0 $lno_e
 595                                         }
 596                                 }
 597                                 lset line_data $lno [list $cmit $file $oln]
 598
 599                                 $cur_w delete $lno.0 "$lno.0 lineend"
 600                                 if {$lno == $first_lno} {
 601                                         $cur_w insert $lno.0 $commit_abbr $commit_type
 602                                 } elseif {$lno == [expr {$first_lno + 1}]} {
 603                                         $cur_w insert $lno.0 $author_abbr author_abbr
 604                                 } else {
 605                                         $cur_w insert $lno.0 { |}
 606                                 }
 607
 608                                 foreach i $w_columns {
 609                                         if {$cur_w eq $w_amov} {
 610                                                 for {set g 0} \
 611                                                         {$g < [llength $group_colors]} \
 612                                                         {incr g} {
 613                                                         $i tag remove color$g $lno.0 $lno_e
 614                                                 }
 615                                                 $i tag add $color $lno.0 $lno_e
 616                                         }
 617                                         $i tag add g$cmit $lno.0 $lno_e
 618                                 }
 619
 620                                 if {$highlight_column eq $cur_w} {
 621                                         if {$highlight_line == -1
 622                                          && [lindex [$w_file yview] 0] == 0} {
 623                                                 $w_file see $lno.0
 624                                                 set highlight_line $lno
 625                                         }
 626                                         if {$highlight_line == $lno} {
 627                                                 _showcommit $this $cur_w $lno
 628                                         }
 629                                 }
 630
 631                                 incr n -1
 632                                 incr lno
 633                                 incr oln
 634                                 incr blame_lines
 635                         }
 636
 637                         while {
 638                            $cmit eq [lindex $line_data $lno 0]
 639                         && $file eq [lindex $line_data $lno 1]
 640                         } {
 641                                 $cur_w delete $lno.0 "$lno.0 lineend"
 642
 643                                 if {$lno == $first_lno} {
 644                                         $cur_w insert $lno.0 $commit_abbr $commit_type
 645                                 } elseif {$lno == [expr {$first_lno + 1}]} {
 646                                         $cur_w insert $lno.0 $author_abbr author_abbr
 647                                 } else {
 648                                         $cur_w insert $lno.0 { |}
 649                                 }
 650
 651                                 if {$cur_w eq $w_amov} {
 652                                         foreach i $w_columns {
 653                                                 for {set g 0} \
 654                                                         {$g < [llength $group_colors]} \
 655                                                         {incr g} {
 656                                                         $i tag remove color$g $lno.0 $lno_e
 657                                                 }
 658                                                 $i tag add $color $lno.0 $lno_e
 659                                         }
 660                                 }
 661
 662                                 incr lno
 663                         }
 664
 665                 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
 666                         set header($r_commit,$key) $data
 667                 }
 668         }
 669         $cur_w conf -state disabled
 670
 671         if {[eof $fd]} {
 672                 close $fd
 673                 if {$cur_w eq $w_asim} {
 674                         _exec_blame $this $w_amov @amov_data \
 675                                 [list -M -C -C] \
 676                                 { original location}
 677                 } else {
 678                         set current_fd {}
 679                         set status {Annotation complete.}
 680                         destroy $w.status.c
 681                 }
 682         } else {
 683                 _status $this $cur_s
 684         }
 685 } ifdeleted { catch {close $fd} }
 686
 687 method _status {cur_s} {
 688         set have  $blame_lines
 689         set total $total_lines
 690         set pdone 0
 691         if {$total} {set pdone [expr {100 * $have / $total}]}
 692
 693         set status [format \
 694                 "Loading%s annotations... %i of %i lines annotated (%2i%%)" \
 695                 $cur_s $have $total $pdone]
 696         $w.status.c coords bar 0 0 $pdone 20
 697 }
 698
 699 method _click {cur_w pos} {
 700         set lno [lindex [split [$cur_w index $pos] .] 0]
 701         _showcommit $this $cur_w $lno
 702 }
 703
 704 method _load_commit {cur_w cur_d pos} {
 705         upvar #0 $cur_d line_data
 706         set lno [lindex [split [$cur_w index $pos] .] 0]
 707         set dat [lindex $line_data $lno]
 708         if {$dat ne {}} {
 709                 lappend history [list \
 710                         $commit $path \
 711                         $highlight_column \
 712                         $highlight_line \
 713                         [lindex [$w_file xview] 0] \
 714                         [lindex [$w_file yview] 0] \
 715                         ]
 716                 set commit [lindex $dat 0]
 717                 set path   [lindex $dat 1]
 718                 _load $this [list [lindex $dat 2]]
 719         }
 720 }
 721
 722 method _showcommit {cur_w lno} {
 723         global repo_config
 724         variable active_color
 725
 726         if {$highlight_commit ne {}} {
 727                 foreach i $w_columns {
 728                         $i tag conf g$highlight_commit -background {}
 729                         $i tag lower g$highlight_commit
 730                 }
 731         }
 732
 733         if {$cur_w eq $w_asim} {
 734                 set dat [lindex $asim_data $lno]
 735                 set highlight_column $w_asim
 736         } else {
 737                 set dat [lindex $amov_data $lno]
 738                 set highlight_column $w_amov
 739         }
 740
 741         $w_cviewer conf -state normal
 742         $w_cviewer delete 0.0 end
 743
 744         if {$dat eq {}} {
 745                 set cmit {}
 746                 $w_cviewer insert end "Loading annotation..." still_loading
 747         } else {
 748                 set cmit [lindex $dat 0]
 749                 set file [lindex $dat 1]
 750
 751                 foreach i $w_columns {
 752                         $i tag conf g$cmit -background $active_color
 753                         $i tag raise g$cmit
 754                 }
 755
 756                 set author_name {}
 757                 set author_email {}
 758                 set author_time {}
 759                 catch {set author_name $header($cmit,author)}
 760                 catch {set author_email $header($cmit,author-mail)}
 761                 catch {set author_time [clock format \
 762                         $header($cmit,author-time) \
 763                         -format {%Y-%m-%d %H:%M:%S}
 764                 ]}
 765
 766                 set committer_name {}
 767                 set committer_email {}
 768                 set committer_time {}
 769                 catch {set committer_name $header($cmit,committer)}
 770                 catch {set committer_email $header($cmit,committer-mail)}
 771                 catch {set committer_time [clock format \
 772                         $header($cmit,committer-time) \
 773                         -format {%Y-%m-%d %H:%M:%S}
 774                 ]}
 775
 776                 if {[catch {set msg $header($cmit,message)}]} {
 777                         set msg {}
 778                         catch {
 779                                 set fd [open "| git cat-file commit $cmit" r]
 780                                 fconfigure $fd -encoding binary -translation lf
 781                                 if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
 782                                         set enc utf-8
 783                                 }
 784                                 while {[gets $fd line] > 0} {
 785                                         if {[string match {encoding *} $line]} {
 786                                                 set enc [string tolower [string range $line 9 end]]
 787                                         }
 788                                 }
 789                                 set msg [encoding convertfrom $enc [read $fd]]
 790                                 set msg [string trim $msg]
 791                                 close $fd
 792
 793                                 set author_name [encoding convertfrom $enc $author_name]
 794                                 set committer_name [encoding convertfrom $enc $committer_name]
 795
 796                                 set header($cmit,author) $author_name
 797                                 set header($cmit,committer) $committer_name
 798                         }
 799                         set header($cmit,message) $msg
 800                 }
 801
 802                 $w_cviewer insert end "commit $cmit\n" header_key
 803                 $w_cviewer insert end "Author:\t" header_key
 804                 $w_cviewer insert end "$author_name $author_email" header_val
 805                 $w_cviewer insert end "  $author_time\n" header_val
 806
 807                 $w_cviewer insert end "Committer:\t" header_key
 808                 $w_cviewer insert end "$committer_name $committer_email" header_val
 809                 $w_cviewer insert end "  $committer_time\n" header_val
 810
 811                 if {$file ne $path} {
 812                         $w_cviewer insert end "Original File:\t" header_key
 813                         $w_cviewer insert end "[escape_path $file]\n" header_val
 814                 }
 815
 816                 $w_cviewer insert end "\n$msg"
 817         }
 818         $w_cviewer conf -state disabled
 819
 820         set highlight_line $lno
 821         set highlight_commit $cmit
 822
 823         if {[lsearch -exact $tooltip_commit $highlight_commit] != -1} {
 824                 _hide_tooltip $this
 825         }
 826 }
 827
 828 method _copycommit {} {
 829         set pos @$::cursorX,$::cursorY
 830         set lno [lindex [split [$::cursorW index $pos] .] 0]
 831         set dat [lindex $amov_data $lno]
 832         if {$dat ne {}} {
 833                 clipboard clear
 834                 clipboard append \
 835                         -format STRING \
 836                         -type STRING \
 837                         -- [lindex $dat 0]
 838         }
 839 }
 840
 841 method _show_tooltip {cur_w pos} {
 842         if {$tooltip_wm ne {}} {
 843                 _open_tooltip $this $cur_w
 844         } elseif {$tooltip_timer eq {}} {
 845                 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
 846         }
 847 }
 848
 849 method _open_tooltip {cur_w} {
 850         set tooltip_timer {}
 851         set pos_x [winfo pointerx $cur_w]
 852         set pos_y [winfo pointery $cur_w]
 853         if {[winfo containing $pos_x $pos_y] ne $cur_w} {
 854                 _hide_tooltip $this
 855                 return
 856         }
 857
 858         if {$tooltip_wm ne "$cur_w.tooltip"} {
 859                 _hide_tooltip $this
 860
 861                 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
 862                 wm overrideredirect $tooltip_wm 1
 863                 wm transient $tooltip_wm [winfo toplevel $cur_w]
 864                 set tooltip_t $tooltip_wm.label
 865                 text $tooltip_t \
 866                         -takefocus 0 \
 867                         -highlightthickness 0 \
 868                         -relief flat \
 869                         -borderwidth 0 \
 870                         -wrap none \
 871                         -background lightyellow \
 872                         -foreground black
 873                 $tooltip_t tag conf section_header -font font_uibold
 874                 pack $tooltip_t
 875         } else {
 876                 $tooltip_t conf -state normal
 877                 $tooltip_t delete 0.0 end
 878         }
 879
 880         set pos @[join [list \
 881                 [expr {$pos_x - [winfo rootx $cur_w]}] \
 882                 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
 883         set lno [lindex [split [$cur_w index $pos] .] 0]
 884         if {$cur_w eq $w_amov} {
 885                 set dat [lindex $amov_data $lno]
 886                 set org {}
 887         } else {
 888                 set dat [lindex $asim_data $lno]
 889                 set org [lindex $amov_data $lno]
 890         }
 891
 892         set cmit [lindex $dat 0]
 893         set tooltip_commit [list $cmit]
 894
 895         set author_name {}
 896         set summary     {}
 897         set author_time {}
 898         catch {set author_name $header($cmit,author)}
 899         catch {set summary     $header($cmit,summary)}
 900         catch {set author_time [clock format \
 901                 $header($cmit,author-time) \
 902                 -format {%Y-%m-%d %H:%M:%S}
 903         ]}
 904
 905         $tooltip_t insert end "commit $cmit\n"
 906         $tooltip_t insert end "$author_name  $author_time\n"
 907         $tooltip_t insert end "$summary"
 908
 909         if {$org ne {} && [lindex $org 0] ne $cmit} {
 910                 set save [$tooltip_t get 0.0 end]
 911                 $tooltip_t delete 0.0 end
 912
 913                 set cmit [lindex $org 0]
 914                 set file [lindex $org 1]
 915                 lappend tooltip_commit $cmit
 916
 917                 set author_name {}
 918                 set summary     {}
 919                 set author_time {}
 920                 catch {set author_name $header($cmit,author)}
 921                 catch {set summary     $header($cmit,summary)}
 922                 catch {set author_time [clock format \
 923                         $header($cmit,author-time) \
 924                         -format {%Y-%m-%d %H:%M:%S}
 925                 ]}
 926
 927                 $tooltip_t insert end "Originally By:\n" section_header
 928                 $tooltip_t insert end "commit $cmit\n"
 929                 $tooltip_t insert end "$author_name  $author_time\n"
 930                 $tooltip_t insert end "$summary\n"
 931
 932                 if {$file ne $path} {
 933                         $tooltip_t insert end "In File: " section_header
 934                         $tooltip_t insert end "$file\n"
 935                 }
 936
 937                 $tooltip_t insert end "\n"
 938                 $tooltip_t insert end "Copied Or Moved Here By:\n" section_header
 939                 $tooltip_t insert end $save
 940         }
 941
 942         $tooltip_t conf -state disabled
 943         _position_tooltip $this
 944 }
 945
 946 method _position_tooltip {} {
 947         set max_h [lindex [split [$tooltip_t index end] .] 0]
 948         set max_w 0
 949         for {set i 1} {$i <= $max_h} {incr i} {
 950                 set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
 951                 if {$c > $max_w} {set max_w $c}
 952         }
 953         $tooltip_t conf -width $max_w -height $max_h
 954
 955         set req_w [winfo reqwidth  $tooltip_t]
 956         set req_h [winfo reqheight $tooltip_t]
 957         set pos_x [expr {[winfo pointerx .] +  5}]
 958         set pos_y [expr {[winfo pointery .] + 10}]
 959
 960         set g "${req_w}x${req_h}"
 961         if {$pos_x >= 0} {append g +}
 962         append g $pos_x
 963         if {$pos_y >= 0} {append g +}
 964         append g $pos_y
 965
 966         wm geometry $tooltip_wm $g
 967         raise $tooltip_wm
 968 }
 969
 970 method _hide_tooltip {} {
 971         if {$tooltip_wm ne {}} {
 972                 destroy $tooltip_wm
 973                 set tooltip_wm {}
 974                 set tooltip_commit {}
 975         }
 976         if {$tooltip_timer ne {}} {
 977                 after cancel $tooltip_timer
 978                 set tooltip_timer {}
 979         }
 980 }
 981
 982 method _resize {new_height} {
 983         set diff [expr {$new_height - $old_height}]
 984         if {$diff == 0} return
 985
 986         set my [expr {[winfo height $w.file_pane] - 25}]
 987         set o [$w.file_pane sash coord 0]
 988         set ox [lindex $o 0]
 989         set oy [expr {[lindex $o 1] + $diff}]
 990         if {$oy < 0}   {set oy 0}
 991         if {$oy > $my} {set oy $my}
 992         $w.file_pane sash place 0 $ox $oy
 993
 994         set old_height $new_height
 995 }
 996
 997 }