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     ; # status mega-widget instance
  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 [append "[appname] ([reponame]): " [mc "File Viewer"]]
  71
  72         frame $w.header -background gold
  73         label $w.header.commit_l \
  74                 -text [mc "Commit:"] \
  75                 -background gold \
  76                 -foreground black \
  77                 -anchor w \
  78                 -justify left
  79         set w_back $w.header.commit_b
  80         label $w_back \
  81                 -image ::blame::img_back_arrow \
  82                 -borderwidth 0 \
  83                 -relief flat \
  84                 -state disabled \
  85                 -background gold \
  86                 -foreground black \
  87                 -activebackground gold
  88         bind $w_back <Button-1> "
  89                 if {\[$w_back cget -state\] eq {normal}} {
  90                         [cb _history_menu]
  91                 }
  92                 "
  93         label $w.header.commit \
  94                 -textvariable @commit \
  95                 -background gold \
  96                 -foreground black \
  97                 -anchor w \
  98                 -justify left
  99         label $w.header.path_l \
 100                 -text [mc "File:"] \
 101                 -background gold \
 102                 -foreground black \
 103                 -anchor w \
 104                 -justify left
 105         set w_path $w.header.path
 106         label $w_path \
 107                 -background gold \
 108                 -foreground black \
 109                 -anchor w \
 110                 -justify left
 111         pack $w.header.commit_l -side left
 112         pack $w_back -side left
 113         pack $w.header.commit -side left
 114         pack $w_path -fill x -side right
 115         pack $w.header.path_l -side right
 116
 117         panedwindow $w.file_pane -orient vertical
 118         frame $w.file_pane.out
 119         frame $w.file_pane.cm
 120         $w.file_pane add $w.file_pane.out \
 121                 -sticky nsew \
 122                 -minsize 100 \
 123                 -height 100 \
 124                 -width 100
 125         $w.file_pane add $w.file_pane.cm \
 126                 -sticky nsew \
 127                 -minsize 25 \
 128                 -height 25 \
 129                 -width 100
 130
 131         set w_line $w.file_pane.out.linenumber_t
 132         text $w_line \
 133                 -takefocus 0 \
 134                 -highlightthickness 0 \
 135                 -padx 0 -pady 0 \
 136                 -background white \
 137                 -foreground black \
 138                 -borderwidth 0 \
 139                 -state disabled \
 140                 -wrap none \
 141                 -height 40 \
 142                 -width 6 \
 143                 -font font_diff
 144         $w_line tag conf linenumber -justify right -rmargin 5
 145
 146         set w_amov $w.file_pane.out.amove_t
 147         text $w_amov \
 148                 -takefocus 0 \
 149                 -highlightthickness 0 \
 150                 -padx 0 -pady 0 \
 151                 -background white \
 152                 -foreground black \
 153                 -borderwidth 0 \
 154                 -state disabled \
 155                 -wrap none \
 156                 -height 40 \
 157                 -width 5 \
 158                 -font font_diff
 159         $w_amov tag conf author_abbr -justify right -rmargin 5
 160         $w_amov tag conf curr_commit
 161         $w_amov tag conf prior_commit -foreground blue -underline 1
 162         $w_amov tag bind prior_commit \
 163                 <Button-1> \
 164                 "[cb _load_commit $w_amov @amov_data @%x,%y];break"
 165
 166         set w_asim $w.file_pane.out.asimple_t
 167         text $w_asim \
 168                 -takefocus 0 \
 169                 -highlightthickness 0 \
 170                 -padx 0 -pady 0 \
 171                 -background white \
 172                 -foreground black \
 173                 -borderwidth 0 \
 174                 -state disabled \
 175                 -wrap none \
 176                 -height 40 \
 177                 -width 4 \
 178                 -font font_diff
 179         $w_asim tag conf author_abbr -justify right
 180         $w_asim tag conf curr_commit
 181         $w_asim tag conf prior_commit -foreground blue -underline 1
 182         $w_asim tag bind prior_commit \
 183                 <Button-1> \
 184                 "[cb _load_commit $w_asim @asim_data @%x,%y];break"
 185
 186         set w_file $w.file_pane.out.file_t
 187         text $w_file \
 188                 -takefocus 0 \
 189                 -highlightthickness 0 \
 190                 -padx 0 -pady 0 \
 191                 -background white \
 192                 -foreground black \
 193                 -borderwidth 0 \
 194                 -state disabled \
 195                 -wrap none \
 196                 -height 40 \
 197                 -width 80 \
 198                 -xscrollcommand [list $w.file_pane.out.sbx set] \
 199                 -font font_diff
 200
 201         set w_columns [list $w_amov $w_asim $w_line $w_file]
 202
 203         scrollbar $w.file_pane.out.sbx \
 204                 -orient h \
 205                 -command [list $w_file xview]
 206         scrollbar $w.file_pane.out.sby \
 207                 -orient v \
 208                 -command [list scrollbar2many $w_columns yview]
 209         eval grid $w_columns $w.file_pane.out.sby -sticky nsew
 210         grid conf \
 211                 $w.file_pane.out.sbx \
 212                 -column [expr {[llength $w_columns] - 1}] \
 213                 -sticky we
 214         grid columnconfigure \
 215                 $w.file_pane.out \
 216                 [expr {[llength $w_columns] - 1}] \
 217                 -weight 1
 218         grid rowconfigure $w.file_pane.out 0 -weight 1
 219
 220         set w_cviewer $w.file_pane.cm.t
 221         text $w_cviewer \
 222                 -background white \
 223                 -foreground black \
 224                 -borderwidth 0 \
 225                 -state disabled \
 226                 -wrap none \
 227                 -height 10 \
 228                 -width 80 \
 229                 -xscrollcommand [list $w.file_pane.cm.sbx set] \
 230                 -yscrollcommand [list $w.file_pane.cm.sby set] \
 231                 -font font_diff
 232         $w_cviewer tag conf still_loading \
 233                 -font font_uiitalic \
 234                 -justify center
 235         $w_cviewer tag conf header_key \
 236                 -tabs {3c} \
 237                 -background $active_color \
 238                 -font font_uibold
 239         $w_cviewer tag conf header_val \
 240                 -background $active_color \
 241                 -font font_ui
 242         $w_cviewer tag raise sel
 243         scrollbar $w.file_pane.cm.sbx \
 244                 -orient h \
 245                 -command [list $w_cviewer xview]
 246         scrollbar $w.file_pane.cm.sby \
 247                 -orient v \
 248                 -command [list $w_cviewer yview]
 249         pack $w.file_pane.cm.sby -side right -fill y
 250         pack $w.file_pane.cm.sbx -side bottom -fill x
 251         pack $w_cviewer -expand 1 -fill both
 252
 253         set status [::status_bar::new $w.status]
 254
 255         menu $w.ctxm -tearoff 0
 256         $w.ctxm add command \
 257                 -label [mc "Copy Commit"] \
 258                 -command [cb _copycommit]
 259         $w.ctxm add command \
 260                 -label [mc "Do Full Copy Detection"] \
 261                 -command [cb _fullcopyblame]
 262         $w.ctxm add command \
 263                 -label [mc "Show History Context"] \
 264                 -command [cb _gitkcommit]
 265
 266         foreach i $w_columns {
 267                 for {set g 0} {$g < [llength $group_colors]} {incr g} {
 268                         $i tag conf color$g -background [lindex $group_colors $g]
 269                 }
 270
 271                 $i conf -cursor $cursor_ptr
 272                 $i conf -yscrollcommand [list many2scrollbar \
 273                         $w_columns yview $w.file_pane.out.sby]
 274                 bind $i <Button-1> "
 275                         [cb _hide_tooltip]
 276                         [cb _click $i @%x,%y]
 277                         focus $i
 278                 "
 279                 bind $i <Any-Motion>  [cb _show_tooltip $i @%x,%y]
 280                 bind $i <Any-Enter>   [cb _hide_tooltip]
 281                 bind $i <Any-Leave>   [cb _hide_tooltip]
 282                 bind_button3 $i "
 283                         [cb _hide_tooltip]
 284                         set cursorX %x
 285                         set cursorY %y
 286                         set cursorW %W
 287                         tk_popup $w.ctxm %X %Y
 288                 "
 289                 bind $i <Shift-Tab> "[list focus $w_cviewer];break"
 290                 bind $i <Tab>       "[list focus $w_cviewer];break"
 291         }
 292
 293         foreach i [concat $w_columns $w_cviewer] {
 294                 bind $i <Key-Up>        {catch {%W yview scroll -1 units};break}
 295                 bind $i <Key-Down>      {catch {%W yview scroll  1 units};break}
 296                 bind $i <Key-Left>      {catch {%W xview scroll -1 units};break}
 297                 bind $i <Key-Right>     {catch {%W xview scroll  1 units};break}
 298                 bind $i <Key-k>         {catch {%W yview scroll -1 units};break}
 299                 bind $i <Key-j>         {catch {%W yview scroll  1 units};break}
 300                 bind $i <Key-h>         {catch {%W xview scroll -1 units};break}
 301                 bind $i <Key-l>         {catch {%W xview scroll  1 units};break}
 302                 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
 303                 bind $i <Control-Key-f> {catch {%W yview scroll  1 pages};break}
 304         }
 305
 306         bind $w_cviewer <Shift-Tab> "[list focus $w_file];break"
 307         bind $w_cviewer <Tab>       "[list focus $w_file];break"
 308         bind $w_cviewer <Button-1> [list focus $w_cviewer]
 309         bind $w_file    <Visibility> [list focus $w_file]
 310
 311         grid configure $w.header -sticky ew
 312         grid configure $w.file_pane -sticky nsew
 313         grid configure $w.status -sticky ew
 314         grid columnconfigure $top 0 -weight 1
 315         grid rowconfigure $top 0 -weight 0
 316         grid rowconfigure $top 1 -weight 1
 317         grid rowconfigure $top 2 -weight 0
 318
 319         set req_w [winfo reqwidth  $top]
 320         set req_h [winfo reqheight $top]
 321         set scr_h [expr {[winfo screenheight $top] - 100}]
 322         if {$req_w < 600} {set req_w 600}
 323         if {$req_h < $scr_h} {set req_h $scr_h}
 324         set g "${req_w}x${req_h}"
 325         wm geometry $top $g
 326         update
 327
 328         set old_height [winfo height $w.file_pane]
 329         $w.file_pane sash place 0 \
 330                 [lindex [$w.file_pane sash coord 0] 0] \
 331                 [expr {int($old_height * 0.70)}]
 332         bind $w.file_pane <Configure> \
 333         "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
 334
 335         wm protocol $top WM_DELETE_WINDOW "destroy $top"
 336         bind $top <Destroy> [cb _kill]
 337
 338         _load $this {}
 339 }
 340
 341 method _kill {} {
 342         if {$current_fd ne {}} {
 343                 kill_file_process $current_fd
 344                 catch {close $current_fd}
 345                 set current_fd {}
 346         }
 347 }
 348
 349 method _load {jump} {
 350         variable group_colors
 351
 352         _hide_tooltip $this
 353
 354         if {$total_lines != 0 || $current_fd ne {}} {
 355                 _kill $this
 356
 357                 foreach i $w_columns {
 358                         $i conf -state normal
 359                         $i delete 0.0 end
 360                         foreach g [$i tag names] {
 361                                 if {[regexp {^g[0-9a-f]{40}$} $g]} {
 362                                         $i tag delete $g
 363                                 }
 364                         }
 365                         $i conf -state disabled
 366                 }
 367
 368                 $w_cviewer conf -state normal
 369                 $w_cviewer delete 0.0 end
 370                 $w_cviewer conf -state disabled
 371
 372                 set highlight_line -1
 373                 set highlight_column {}
 374                 set highlight_commit {}
 375                 set total_lines 0
 376         }
 377
 378         if {$history eq {}} {
 379                 $w_back conf -state disabled
 380         } else {
 381                 $w_back conf -state normal
 382         }
 383
 384         # Index 0 is always empty.  There is never line 0 as
 385         # we use only 1 based lines, as that matches both with
 386         # git-blame output and with Tk's text widget.
 387         #
 388         set amov_data [list [list]]
 389         set asim_data [list [list]]
 390
 391         $status show [mc "Reading %s..." "$commit:[escape_path $path]"]
 392         $w_path conf -text [escape_path $path]
 393         if {$commit eq {}} {
 394                 set fd [open $path r]
 395                 fconfigure $fd -eofchar {}
 396         } else {
 397                 set fd [git_read cat-file blob "$commit:$path"]
 398         }
 399         fconfigure $fd -blocking 0 -translation lf -encoding binary
 400         fileevent $fd readable [cb _read_file $fd $jump]
 401         set current_fd $fd
 402 }
 403
 404 method _history_menu {} {
 405         set m $w.backmenu
 406         if {[winfo exists $m]} {
 407                 $m delete 0 end
 408         } else {
 409                 menu $m -tearoff 0
 410         }
 411
 412         for {set i [expr {[llength $history] - 1}]
 413                 } {$i >= 0} {incr i -1} {
 414                 set e [lindex $history $i]
 415                 set c [lindex $e 0]
 416                 set f [lindex $e 1]
 417
 418                 if {[regexp {^[0-9a-f]{40}$} $c]} {
 419                         set t [string range $c 0 8]...
 420                 } elseif {$c eq {}} {
 421                         set t {Working Directory}
 422                 } else {
 423                         set t $c
 424                 }
 425                 if {![catch {set summary $header($c,summary)}]} {
 426                         append t " $summary"
 427                         if {[string length $t] > 70} {
 428                                 set t [string range $t 0 66]...
 429                         }
 430                 }
 431
 432                 $m add command -label $t -command [cb _goback $i]
 433         }
 434         set X [winfo rootx $w_back]
 435         set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
 436         tk_popup $m $X $Y
 437 }
 438
 439 method _goback {i} {
 440         set dat [lindex $history $i]
 441         set history [lrange $history 0 [expr {$i - 1}]]
 442         set commit [lindex $dat 0]
 443         set path [lindex $dat 1]
 444         _load $this [lrange $dat 2 5]
 445 }
 446
 447 method _read_file {fd jump} {
 448         if {$fd ne $current_fd} {
 449                 catch {close $fd}
 450                 return
 451         }
 452
 453         foreach i $w_columns {$i conf -state normal}
 454         while {[gets $fd line] >= 0} {
 455                 regsub "\r\$" $line {} line
 456                 incr total_lines
 457                 lappend amov_data {}
 458                 lappend asim_data {}
 459
 460                 if {$total_lines > 1} {
 461                         foreach i $w_columns {$i insert end "\n"}
 462                 }
 463
 464                 $w_line insert end "$total_lines" linenumber
 465                 $w_file insert end "$line"
 466         }
 467
 468         set ln_wc [expr {[string length $total_lines] + 2}]
 469         if {[$w_line cget -width] < $ln_wc} {
 470                 $w_line conf -width $ln_wc
 471         }
 472
 473         foreach i $w_columns {$i conf -state disabled}
 474
 475         if {[eof $fd]} {
 476                 close $fd
 477
 478                 # If we don't force Tk to update the widgets *right now*
 479                 # none of our jump commands will cause a change in the UI.
 480                 #
 481                 update
 482
 483                 if {[llength $jump] == 1} {
 484                         set highlight_line [lindex $jump 0]
 485                         $w_file see "$highlight_line.0"
 486                 } elseif {[llength $jump] == 4} {
 487                         set highlight_column [lindex $jump 0]
 488                         set highlight_line [lindex $jump 1]
 489                         $w_file xview moveto [lindex $jump 2]
 490                         $w_file yview moveto [lindex $jump 3]
 491                 }
 492
 493                 _exec_blame $this $w_asim @asim_data \
 494                         [list] \
 495                         [mc "Loading copy/move tracking annotations..."]
 496         }
 497 } ifdeleted { catch {close $fd} }
 498
 499 method _exec_blame {cur_w cur_d options cur_s} {
 500         lappend options --incremental
 501         if {$commit eq {}} {
 502                 lappend options --contents $path
 503         } else {
 504                 lappend options $commit
 505         }
 506         lappend options -- $path
 507         set fd [eval git_read --nice blame $options]
 508         fconfigure $fd -blocking 0 -translation lf -encoding binary
 509         fileevent $fd readable [cb _read_blame $fd $cur_w $cur_d]
 510         set current_fd $fd
 511         set blame_lines 0
 512
 513         $status start \
 514                 $cur_s \
 515                 [mc "lines annotated"]
 516 }
 517
 518 method _read_blame {fd cur_w cur_d} {
 519         upvar #0 $cur_d line_data
 520         variable group_colors
 521
 522         if {$fd ne $current_fd} {
 523                 catch {close $fd}
 524                 return
 525         }
 526
 527         $cur_w conf -state normal
 528         while {[gets $fd line] >= 0} {
 529                 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
 530                         cmit original_line final_line line_count]} {
 531                         set r_commit     $cmit
 532                         set r_orig_line  $original_line
 533                         set r_final_line $final_line
 534                         set r_line_count $line_count
 535                 } elseif {[string match {filename *} $line]} {
 536                         set file [string range $line 9 end]
 537                         set n    $r_line_count
 538                         set lno  $r_final_line
 539                         set oln  $r_orig_line
 540                         set cmit $r_commit
 541
 542                         if {[regexp {^0{40}$} $cmit]} {
 543                                 set commit_abbr work
 544                                 set commit_type curr_commit
 545                         } elseif {$cmit eq $commit} {
 546                                 set commit_abbr this
 547                                 set commit_type curr_commit
 548                         } else {
 549                                 set commit_type prior_commit
 550                                 set commit_abbr [string range $cmit 0 3]
 551                         }
 552
 553                         set author_abbr {}
 554                         set a_name {}
 555                         catch {set a_name $header($cmit,author)}
 556                         while {$a_name ne {}} {
 557                                 if {$author_abbr ne {}
 558                                         && [string index $a_name 0] eq {'}} {
 559                                         regsub {^'[^']+'\s+} $a_name {} a_name
 560                                 }
 561                                 if {![regexp {^([[:upper:]])} $a_name _a]} break
 562                                 append author_abbr $_a
 563                                 unset _a
 564                                 if {![regsub \
 565                                         {^[[:upper:]][^\s]*\s+} \
 566                                         $a_name {} a_name ]} break
 567                         }
 568                         if {$author_abbr eq {}} {
 569                                 set author_abbr { |}
 570                         } else {
 571                                 set author_abbr [string range $author_abbr 0 3]
 572                         }
 573                         unset a_name
 574
 575                         set first_lno $lno
 576                         while {
 577                            $first_lno > 1
 578                         && $cmit eq [lindex $line_data [expr {$first_lno - 1}] 0]
 579                         && $file eq [lindex $line_data [expr {$first_lno - 1}] 1]
 580                         } {
 581                                 incr first_lno -1
 582                         }
 583
 584                         set color {}
 585                         if {$first_lno < $lno} {
 586                                 foreach g [$w_file tag names $first_lno.0] {
 587                                         if {[regexp {^color[0-9]+$} $g]} {
 588                                                 set color $g
 589                                                 break
 590                                         }
 591                                 }
 592                         } else {
 593                                 set i [lsort [concat \
 594                                         [$w_file tag names "[expr {$first_lno - 1}].0"] \
 595                                         [$w_file tag names "[expr {$lno + $n}].0"] \
 596                                         ]]
 597                                 for {set g 0} {$g < [llength $group_colors]} {incr g} {
 598                                         if {[lsearch -sorted -exact $i color$g] == -1} {
 599                                                 set color color$g
 600                                                 break
 601                                         }
 602                                 }
 603                         }
 604                         if {$color eq {}} {
 605                                 set color color0
 606                         }
 607
 608                         while {$n > 0} {
 609                                 set lno_e "$lno.0 lineend + 1c"
 610                                 if {[lindex $line_data $lno] ne {}} {
 611                                         set g [lindex $line_data $lno 0]
 612                                         foreach i $w_columns {
 613                                                 $i tag remove g$g $lno.0 $lno_e
 614                                         }
 615                                 }
 616                                 lset line_data $lno [list $cmit $file $oln]
 617
 618                                 $cur_w delete $lno.0 "$lno.0 lineend"
 619                                 if {$lno == $first_lno} {
 620                                         $cur_w insert $lno.0 $commit_abbr $commit_type
 621                                 } elseif {$lno == [expr {$first_lno + 1}]} {
 622                                         $cur_w insert $lno.0 $author_abbr author_abbr
 623                                 } else {
 624                                         $cur_w insert $lno.0 { |}
 625                                 }
 626
 627                                 foreach i $w_columns {
 628                                         if {$cur_w eq $w_amov} {
 629                                                 for {set g 0} \
 630                                                         {$g < [llength $group_colors]} \
 631                                                         {incr g} {
 632                                                         $i tag remove color$g $lno.0 $lno_e
 633                                                 }
 634                                                 $i tag add $color $lno.0 $lno_e
 635                                         }
 636                                         $i tag add g$cmit $lno.0 $lno_e
 637                                 }
 638
 639                                 if {$highlight_column eq $cur_w} {
 640                                         if {$highlight_line == -1
 641                                          && [lindex [$w_file yview] 0] == 0} {
 642                                                 $w_file see $lno.0
 643                                                 set highlight_line $lno
 644                                         }
 645                                         if {$highlight_line == $lno} {
 646                                                 _showcommit $this $cur_w $lno
 647                                         }
 648                                 }
 649
 650                                 incr n -1
 651                                 incr lno
 652                                 incr oln
 653                                 incr blame_lines
 654                         }
 655
 656                         while {
 657                            $cmit eq [lindex $line_data $lno 0]
 658                         && $file eq [lindex $line_data $lno 1]
 659                         } {
 660                                 $cur_w delete $lno.0 "$lno.0 lineend"
 661
 662                                 if {$lno == $first_lno} {
 663                                         $cur_w insert $lno.0 $commit_abbr $commit_type
 664                                 } elseif {$lno == [expr {$first_lno + 1}]} {
 665                                         $cur_w insert $lno.0 $author_abbr author_abbr
 666                                 } else {
 667                                         $cur_w insert $lno.0 { |}
 668                                 }
 669
 670                                 if {$cur_w eq $w_amov} {
 671                                         foreach i $w_columns {
 672                                                 for {set g 0} \
 673                                                         {$g < [llength $group_colors]} \
 674                                                         {incr g} {
 675                                                         $i tag remove color$g $lno.0 $lno_e
 676                                                 }
 677                                                 $i tag add $color $lno.0 $lno_e
 678                                         }
 679                                 }
 680
 681                                 incr lno
 682                         }
 683
 684                 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
 685                         set header($r_commit,$key) $data
 686                 }
 687         }
 688         $cur_w conf -state disabled
 689
 690         if {[eof $fd]} {
 691                 close $fd
 692                 if {$cur_w eq $w_asim} {
 693                         # Switches for original location detection
 694                         set threshold [get_config gui.copyblamethreshold]
 695                         set original_options [list "-C$threshold"]
 696
 697                         if {![is_config_true gui.fastcopyblame]} {
 698                                 # thorough copy search; insert before the threshold
 699                                 set original_options [linsert $original_options 0 -C]
 700                         }
 701                         if {[git-version >= 1.5.3]} {
 702                                 lappend original_options -w ; # ignore indentation changes
 703                         }
 704
 705                         _exec_blame $this $w_amov @amov_data \
 706                                 $original_options \
 707                                 [mc "Loading original location annotations..."]
 708                 } else {
 709                         set current_fd {}
 710                         $status stop [mc "Annotation complete."]
 711                 }
 712         } else {
 713                 $status update $blame_lines $total_lines
 714         }
 715 } ifdeleted { catch {close $fd} }
 716
 717 method _find_commit_bound {data_list start_idx delta} {
 718         upvar #0 $data_list line_data
 719         set pos $start_idx
 720         set limit       [expr {[llength $line_data] - 1}]
 721         set base_commit [lindex $line_data $pos 0]
 722
 723         while {$pos > 0 && $pos < $limit} {
 724                 set new_pos [expr {$pos + $delta}]
 725                 if {[lindex $line_data $new_pos 0] ne $base_commit} {
 726                         return $pos
 727                 }
 728
 729                 set pos $new_pos
 730         }
 731
 732         return $pos
 733 }
 734
 735 method _fullcopyblame {} {
 736         if {$current_fd ne {}} {
 737                 tk_messageBox \
 738                         -icon error \
 739                         -type ok \
 740                         -title [mc "Busy"] \
 741                         -message [mc "Annotation process is already running."]
 742
 743                 return
 744         }
 745
 746         # Switches for original location detection
 747         set threshold [get_config gui.copyblamethreshold]
 748         set original_options [list -C -C "-C$threshold"]
 749
 750         if {[git-version >= 1.5.3]} {
 751                 lappend original_options -w ; # ignore indentation changes
 752         }
 753
 754         # Find the line range
 755         set pos @$::cursorX,$::cursorY
 756         set lno [lindex [split [$::cursorW index $pos] .] 0]
 757         set min_amov_lno [_find_commit_bound $this @amov_data $lno -1]
 758         set max_amov_lno [_find_commit_bound $this @amov_data $lno 1]
 759         set min_asim_lno [_find_commit_bound $this @asim_data $lno -1]
 760         set max_asim_lno [_find_commit_bound $this @asim_data $lno 1]
 761
 762         if {$min_asim_lno < $min_amov_lno} {
 763                 set min_amov_lno $min_asim_lno
 764         }
 765
 766         if {$max_asim_lno > $max_amov_lno} {
 767                 set max_amov_lno $max_asim_lno
 768         }
 769
 770         lappend original_options -L "$min_amov_lno,$max_amov_lno"
 771
 772         # Clear lines
 773         for {set i $min_amov_lno} {$i <= $max_amov_lno} {incr i} {
 774                 lset amov_data $i [list ]
 775         }
 776
 777         # Start the back-end process
 778         _exec_blame $this $w_amov @amov_data \
 779                 $original_options \
 780                 [mc "Running thorough copy detection..."]
 781 }
 782
 783 method _click {cur_w pos} {
 784         set lno [lindex [split [$cur_w index $pos] .] 0]
 785         _showcommit $this $cur_w $lno
 786 }
 787
 788 method _load_commit {cur_w cur_d pos} {
 789         upvar #0 $cur_d line_data
 790         set lno [lindex [split [$cur_w index $pos] .] 0]
 791         set dat [lindex $line_data $lno]
 792         if {$dat ne {}} {
 793                 lappend history [list \
 794                         $commit $path \
 795                         $highlight_column \
 796                         $highlight_line \
 797                         [lindex [$w_file xview] 0] \
 798                         [lindex [$w_file yview] 0] \
 799                         ]
 800                 set commit [lindex $dat 0]
 801                 set path   [lindex $dat 1]
 802                 _load $this [list [lindex $dat 2]]
 803         }
 804 }
 805
 806 method _showcommit {cur_w lno} {
 807         global repo_config
 808         variable active_color
 809
 810         if {$highlight_commit ne {}} {
 811                 foreach i $w_columns {
 812                         $i tag conf g$highlight_commit -background {}
 813                         $i tag lower g$highlight_commit
 814                 }
 815         }
 816
 817         if {$cur_w eq $w_asim} {
 818                 set dat [lindex $asim_data $lno]
 819                 set highlight_column $w_asim
 820         } else {
 821                 set dat [lindex $amov_data $lno]
 822                 set highlight_column $w_amov
 823         }
 824
 825         $w_cviewer conf -state normal
 826         $w_cviewer delete 0.0 end
 827
 828         if {$dat eq {}} {
 829                 set cmit {}
 830                 $w_cviewer insert end [mc "Loading annotation..."] still_loading
 831         } else {
 832                 set cmit [lindex $dat 0]
 833                 set file [lindex $dat 1]
 834
 835                 foreach i $w_columns {
 836                         $i tag conf g$cmit -background $active_color
 837                         $i tag raise g$cmit
 838                 }
 839
 840                 set author_name {}
 841                 set author_email {}
 842                 set author_time {}
 843                 catch {set author_name $header($cmit,author)}
 844                 catch {set author_email $header($cmit,author-mail)}
 845                 catch {set author_time [format_date $header($cmit,author-time)]}
 846
 847                 set committer_name {}
 848                 set committer_email {}
 849                 set committer_time {}
 850                 catch {set committer_name $header($cmit,committer)}
 851                 catch {set committer_email $header($cmit,committer-mail)}
 852                 catch {set committer_time [format_date $header($cmit,committer-time)]}
 853
 854                 if {[catch {set msg $header($cmit,message)}]} {
 855                         set msg {}
 856                         catch {
 857                                 set fd [git_read cat-file commit $cmit]
 858                                 fconfigure $fd -encoding binary -translation lf
 859                                 if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
 860                                         set enc utf-8
 861                                 }
 862                                 while {[gets $fd line] > 0} {
 863                                         if {[string match {encoding *} $line]} {
 864                                                 set enc [string tolower [string range $line 9 end]]
 865                                         }
 866                                 }
 867                                 set msg [read $fd]
 868                                 close $fd
 869
 870                                 set enc [tcl_encoding $enc]
 871                                 if {$enc ne {}} {
 872                                         set msg [encoding convertfrom $enc $msg]
 873                                         set author_name [encoding convertfrom $enc $author_name]
 874                                         set committer_name [encoding convertfrom $enc $committer_name]
 875                                         set header($cmit,author) $author_name
 876                                         set header($cmit,committer) $committer_name
 877                                         set header($cmit,summary) \
 878                                         [encoding convertfrom $enc $header($cmit,summary)]
 879                                 }
 880                                 set msg [string trim $msg]
 881                         }
 882                         set header($cmit,message) $msg
 883                 }
 884
 885                 $w_cviewer insert end "commit $cmit\n" header_key
 886                 $w_cviewer insert end [strcat [mc "Author:"] "\t"] header_key
 887                 $w_cviewer insert end "$author_name $author_email" header_val
 888                 $w_cviewer insert end "  $author_time\n" header_val
 889
 890                 $w_cviewer insert end [strcat [mc "Committer:"] "\t"] header_key
 891                 $w_cviewer insert end "$committer_name $committer_email" header_val
 892                 $w_cviewer insert end "  $committer_time\n" header_val
 893
 894                 if {$file ne $path} {
 895                         $w_cviewer insert end [strcat [mc "Original File:"] "\t"] header_key
 896                         $w_cviewer insert end "[escape_path $file]\n" header_val
 897                 }
 898
 899                 $w_cviewer insert end "\n$msg"
 900         }
 901         $w_cviewer conf -state disabled
 902
 903         set highlight_line $lno
 904         set highlight_commit $cmit
 905
 906         if {[lsearch -exact $tooltip_commit $highlight_commit] != -1} {
 907                 _hide_tooltip $this
 908         }
 909 }
 910
 911 method _get_click_amov_info {} {
 912         set pos @$::cursorX,$::cursorY
 913         set lno [lindex [split [$::cursorW index $pos] .] 0]
 914         return [lindex $amov_data $lno]
 915 }
 916
 917 method _copycommit {} {
 918         set dat [_get_click_amov_info $this]
 919         if {$dat ne {}} {
 920                 clipboard clear
 921                 clipboard append \
 922                         -format STRING \
 923                         -type STRING \
 924                         -- [lindex $dat 0]
 925         }
 926 }
 927
 928 method _format_offset_date {base offset} {
 929         set exval [expr {$base + $offset*24*60*60}]
 930         return [clock format $exval -format {%Y-%m-%d}]
 931 }
 932
 933 method _gitkcommit {} {
 934         set dat [_get_click_amov_info $this]
 935         if {$dat ne {}} {
 936                 set cmit [lindex $dat 0]
 937                 set radius [get_config gui.blamehistoryctx]
 938                 set cmdline [list --select-commit=$cmit]
 939
 940                 if {$radius > 0} {
 941                         set author_time {}
 942                         set committer_time {}
 943
 944                         catch {set author_time $header($cmit,author-time)}
 945                         catch {set committer_time $header($cmit,committer-time)}
 946
 947                         if {$committer_time eq {}} {
 948                                 set committer_time $author_time
 949                         }
 950
 951                         set after_time [_format_offset_date $this $committer_time [expr {-$radius}]]
 952                         set before_time [_format_offset_date $this $committer_time $radius]
 953
 954                         lappend cmdline --after=$after_time --before=$before_time
 955                 }
 956
 957                 lappend cmdline $cmit
 958
 959                 set base_rev "HEAD"
 960                 if {$commit ne {}} {
 961                         set base_rev $commit
 962                 }
 963
 964                 if {$base_rev ne $cmit} {
 965                         lappend cmdline $base_rev
 966                 }
 967
 968                 do_gitk $cmdline
 969         }
 970 }
 971
 972 method _show_tooltip {cur_w pos} {
 973         if {$tooltip_wm ne {}} {
 974                 _open_tooltip $this $cur_w
 975         } elseif {$tooltip_timer eq {}} {
 976                 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
 977         }
 978 }
 979
 980 method _open_tooltip {cur_w} {
 981         set tooltip_timer {}
 982         set pos_x [winfo pointerx $cur_w]
 983         set pos_y [winfo pointery $cur_w]
 984         if {[winfo containing $pos_x $pos_y] ne $cur_w} {
 985                 _hide_tooltip $this
 986                 return
 987         }
 988
 989         if {$tooltip_wm ne "$cur_w.tooltip"} {
 990                 _hide_tooltip $this
 991
 992                 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
 993                 wm overrideredirect $tooltip_wm 1
 994                 wm transient $tooltip_wm [winfo toplevel $cur_w]
 995                 set tooltip_t $tooltip_wm.label
 996                 text $tooltip_t \
 997                         -takefocus 0 \
 998                         -highlightthickness 0 \
 999                         -relief flat \
1000                         -borderwidth 0 \
1001                         -wrap none \
1002                         -background lightyellow \
1003                         -foreground black
1004                 $tooltip_t tag conf section_header -font font_uibold
1005                 pack $tooltip_t
1006         } else {
1007                 $tooltip_t conf -state normal
1008                 $tooltip_t delete 0.0 end
1009         }
1010
1011         set pos @[join [list \
1012                 [expr {$pos_x - [winfo rootx $cur_w]}] \
1013                 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
1014         set lno [lindex [split [$cur_w index $pos] .] 0]
1015         if {$cur_w eq $w_amov} {
1016                 set dat [lindex $amov_data $lno]
1017                 set org {}
1018         } else {
1019                 set dat [lindex $asim_data $lno]
1020                 set org [lindex $amov_data $lno]
1021         }
1022
1023         if {$dat eq {}} {
1024                 _hide_tooltip $this
1025                 return
1026         }
1027
1028         set cmit [lindex $dat 0]
1029         set tooltip_commit [list $cmit]
1030
1031         set author_name {}
1032         set summary     {}
1033         set author_time {}
1034         catch {set author_name $header($cmit,author)}
1035         catch {set summary     $header($cmit,summary)}
1036         catch {set author_time [format_date $header($cmit,author-time)]}
1037
1038         $tooltip_t insert end "commit $cmit\n"
1039         $tooltip_t insert end "$author_name  $author_time\n"
1040         $tooltip_t insert end "$summary"
1041
1042         if {$org ne {} && [lindex $org 0] ne $cmit} {
1043                 set save [$tooltip_t get 0.0 end]
1044                 $tooltip_t delete 0.0 end
1045
1046                 set cmit [lindex $org 0]
1047                 set file [lindex $org 1]
1048                 lappend tooltip_commit $cmit
1049
1050                 set author_name {}
1051                 set summary     {}
1052                 set author_time {}
1053                 catch {set author_name $header($cmit,author)}
1054                 catch {set summary     $header($cmit,summary)}
1055                 catch {set author_time [format_date $header($cmit,author-time)]}
1056
1057                 $tooltip_t insert end [strcat [mc "Originally By:"] "\n"] section_header
1058                 $tooltip_t insert end "commit $cmit\n"
1059                 $tooltip_t insert end "$author_name  $author_time\n"
1060                 $tooltip_t insert end "$summary\n"
1061
1062                 if {$file ne $path} {
1063                         $tooltip_t insert end [strcat [mc "In File:"] " "] section_header
1064                         $tooltip_t insert end "$file\n"
1065                 }
1066
1067                 $tooltip_t insert end "\n"
1068                 $tooltip_t insert end [strcat [mc "Copied Or Moved Here By:"] "\n"] section_header
1069                 $tooltip_t insert end $save
1070         }
1071
1072         $tooltip_t conf -state disabled
1073         _position_tooltip $this
1074 }
1075
1076 method _position_tooltip {} {
1077         set max_h [lindex [split [$tooltip_t index end] .] 0]
1078         set max_w 0
1079         for {set i 1} {$i <= $max_h} {incr i} {
1080                 set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
1081                 if {$c > $max_w} {set max_w $c}
1082         }
1083         $tooltip_t conf -width $max_w -height $max_h
1084
1085         set req_w [winfo reqwidth  $tooltip_t]
1086         set req_h [winfo reqheight $tooltip_t]
1087         set pos_x [expr {[winfo pointerx .] +  5}]
1088         set pos_y [expr {[winfo pointery .] + 10}]
1089
1090         set g "${req_w}x${req_h}"
1091         if {$pos_x >= 0} {append g +}
1092         append g $pos_x
1093         if {$pos_y >= 0} {append g +}
1094         append g $pos_y
1095
1096         wm geometry $tooltip_wm $g
1097         raise $tooltip_wm
1098 }
1099
1100 method _hide_tooltip {} {
1101         if {$tooltip_wm ne {}} {
1102                 destroy $tooltip_wm
1103                 set tooltip_wm {}
1104                 set tooltip_commit {}
1105         }
1106         if {$tooltip_timer ne {}} {
1107                 after cancel $tooltip_timer
1108                 set tooltip_timer {}
1109         }
1110 }
1111
1112 method _resize {new_height} {
1113         set diff [expr {$new_height - $old_height}]
1114         if {$diff == 0} return
1115
1116         set my [expr {[winfo height $w.file_pane] - 25}]
1117         set o [$w.file_pane sash coord 0]
1118         set ox [lindex $o 0]
1119         set oy [expr {[lindex $o 1] + $diff}]
1120         if {$oy < 0}   {set oy 0}
1121         if {$oy > $my} {set oy $my}
1122         $w.file_pane sash place 0 $ox $oy
1123
1124         set old_height $new_height
1125 }
1126
1127 }