Merge branch 'mk/gitweb-feature'
[gitweb.git] / git-gui / lib / blame.tcl
index 92fac1bad402a0d7772af0b8817217555b61b6c7..1f3b08f9efff873631d73e128ee97c1b9dad1822 100644 (file)
@@ -21,9 +21,11 @@ field w_amov     ; # text column: annotations + move tracking
 field w_asim     ; # text column: annotations (simple computation)
 field w_file     ; # text column: actual file data
 field w_cviewer  ; # pane showing commit message
+field finder     ; # find mini-dialog frame
 field status     ; # status mega-widget instance
 field old_height ; # last known height of $w.file_pane
 
+
 # Tk UI colors
 #
 variable active_color #c0edc5
@@ -33,13 +35,6 @@ variable group_colors {
        #ececec
 }
 
-# Switches for original location detection
-#
-variable original_options [list -C -C]
-if {[git-version >= 1.5.3]} {
-       lappend original_options -w ; # ignore indentation changes
-}
-
 # Current blame data; cleared/reset on each load
 #
 field commit               ; # input commit to blame
@@ -65,8 +60,8 @@ field tooltip_t         {} ; # Text widget in $tooltip_wm
 field tooltip_timer     {} ; # Current timer event for our tooltip
 field tooltip_commit    {} ; # Commit(s) in tooltip
 
-constructor new {i_commit i_path} {
-       global cursor_ptr
+constructor new {i_commit i_path i_jump} {
+       global cursor_ptr M1B M1T have_tk85
        variable active_color
        variable group_colors
 
@@ -76,6 +71,8 @@ constructor new {i_commit i_path} {
        make_toplevel top w
        wm title $top [append "[appname] ([reponame]): " [mc "File Viewer"]]
 
+       set font_w [font measure font_diff "0"]
+
        frame $w.header -background gold
        label $w.header.commit_l \
                -text [mc "Commit:"] \
@@ -121,9 +118,9 @@ constructor new {i_commit i_path} {
        pack $w_path -fill x -side right
        pack $w.header.path_l -side right
 
-       panedwindow $w.file_pane -orient vertical
-       frame $w.file_pane.out
-       frame $w.file_pane.cm
+       panedwindow $w.file_pane -orient vertical -borderwidth 0 -sashwidth 3
+       frame $w.file_pane.out -relief flat -borderwidth 1
+       frame $w.file_pane.cm -relief sunken -borderwidth 1
        $w.file_pane add $w.file_pane.out \
                -sticky nsew \
                -minsize 100 \
@@ -204,6 +201,11 @@ constructor new {i_commit i_path} {
                -width 80 \
                -xscrollcommand [list $w.file_pane.out.sbx set] \
                -font font_diff
+       if {$have_tk85} {
+               $w_file configure -inactiveselectbackground darkblue
+       }
+       $w_file tag conf found \
+               -background yellow
 
        set w_columns [list $w_amov $w_asim $w_line $w_file]
 
@@ -224,6 +226,11 @@ constructor new {i_commit i_path} {
                -weight 1
        grid rowconfigure $w.file_pane.out 0 -weight 1
 
+       set finder [::searchbar::new \
+               $w.file_pane.out.ff $w_file \
+               -column [expr {[llength $w_columns] - 1}] \
+               ]
+
        set w_cviewer $w.file_pane.cm.t
        text $w_cviewer \
                -background white \
@@ -263,15 +270,41 @@ constructor new {i_commit i_path} {
        $w.ctxm add command \
                -label [mc "Copy Commit"] \
                -command [cb _copycommit]
+       $w.ctxm add separator
+       $w.ctxm add command \
+               -label [mc "Find Text..."] \
+               -accelerator F7 \
+               -command [list searchbar::show $finder]
+       menu $w.ctxm.enc
+       build_encoding_menu $w.ctxm.enc [cb _setencoding]
+       $w.ctxm add cascade \
+               -label [mc "Encoding"] \
+               -menu $w.ctxm.enc
+       $w.ctxm add command \
+               -label [mc "Do Full Copy Detection"] \
+               -command [cb _fullcopyblame]
+       $w.ctxm add separator
+       $w.ctxm add command \
+               -label [mc "Show History Context"] \
+               -command [cb _gitkcommit]
+       $w.ctxm add command \
+               -label [mc "Blame Parent Commit"] \
+               -command [cb _blameparent]
 
        foreach i $w_columns {
                for {set g 0} {$g < [llength $group_colors]} {incr g} {
                        $i tag conf color$g -background [lindex $group_colors $g]
                }
 
+               if {$i eq $w_file} {
+                       $w_file tag raise found
+               }
+               $i tag raise sel
+
                $i conf -cursor $cursor_ptr
-               $i conf -yscrollcommand [list many2scrollbar \
-                       $w_columns yview $w.file_pane.out.sby]
+               $i conf -yscrollcommand \
+                       "[list ::searchbar::scrolled $finder]
+                        [list many2scrollbar $w_columns yview $w.file_pane.out.sby]"
                bind $i <Button-1> "
                        [cb _hide_tooltip]
                        [cb _click $i @%x,%y]
@@ -288,7 +321,7 @@ constructor new {i_commit i_path} {
                        tk_popup $w.ctxm %X %Y
                "
                bind $i <Shift-Tab> "[list focus $w_cviewer];break"
-               bind $i <Tab>       "[list focus $w_cviewer];break"
+               bind $i <Tab>       "[cb _focus_search $w_cviewer];break"
        }
 
        foreach i [concat $w_columns $w_cviewer] {
@@ -304,10 +337,15 @@ constructor new {i_commit i_path} {
                bind $i <Control-Key-f> {catch {%W yview scroll  1 pages};break}
        }
 
-       bind $w_cviewer <Shift-Tab> "[list focus $w_file];break"
+       bind $w_cviewer <Shift-Tab> "[cb _focus_search $w_file];break"
        bind $w_cviewer <Tab>       "[list focus $w_file];break"
-       bind $w_cviewer <Button-1> [list focus $w_cviewer]
-       bind $w_file    <Visibility> [list focus $w_file]
+       bind $w_cviewer <Button-1>   [list focus $w_cviewer]
+       bind $w_file    <Visibility> [cb _focus_search $w_file]
+       bind $top       <F7>         [list searchbar::show $finder]
+       bind $top       <Escape>     [list searchbar::hide $finder]
+       bind $top       <F3>         [list searchbar::find_next $finder]
+       bind $top       <Shift-F3>   [list searchbar::find_prev $finder]
+       catch { bind $top <Shift-Key-XF86_Switch_VT_3> [list searchbar::find_prev $finder] }
 
        grid configure $w.header -sticky ew
        grid configure $w.file_pane -sticky nsew
@@ -319,9 +357,14 @@ constructor new {i_commit i_path} {
 
        set req_w [winfo reqwidth  $top]
        set req_h [winfo reqheight $top]
-       set scr_h [expr {[winfo screenheight $top] - 100}]
-       if {$req_w < 600} {set req_w 600}
+       set scr_w [expr {[winfo screenwidth $top] - 40}]
+       set scr_h [expr {[winfo screenheight $top] - 120}]
+       set opt_w [expr {$font_w * (80 + 5*3 + 3)}]
+       if {$req_w < $opt_w} {set req_w $opt_w}
+       if {$req_w > $scr_w} {set req_w $scr_w}
+       set opt_h [expr {$req_w*4/3}]
        if {$req_h < $scr_h} {set req_h $scr_h}
+       if {$req_h > $opt_h} {set req_h $opt_h}
        set g "${req_w}x${req_h}"
        wm geometry $top $g
        update
@@ -329,11 +372,37 @@ constructor new {i_commit i_path} {
        set old_height [winfo height $w.file_pane]
        $w.file_pane sash place 0 \
                [lindex [$w.file_pane sash coord 0] 0] \
-               [expr {int($old_height * 0.70)}]
+               [expr {int($old_height * 0.80)}]
        bind $w.file_pane <Configure> \
        "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
 
-       _load $this {}
+       wm protocol $top WM_DELETE_WINDOW "destroy $top"
+       bind $top <Destroy> [cb _handle_destroy %W]
+
+       _load $this $i_jump
+}
+
+method _focus_search {win} {
+       if {[searchbar::visible $finder]} {
+               focus [searchbar::editor $finder]
+       } else {
+               focus $win
+       }
+}
+
+method _handle_destroy {win} {
+       if {$win eq $w} {
+               _kill $this
+               delete_this
+       }
+}
+
+method _kill {} {
+       if {$current_fd ne {}} {
+               kill_file_process $current_fd
+               catch {close $current_fd}
+               set current_fd {}
+       }
 }
 
 method _load {jump} {
@@ -342,10 +411,7 @@ method _load {jump} {
        _hide_tooltip $this
 
        if {$total_lines != 0 || $current_fd ne {}} {
-               if {$current_fd ne {}} {
-                       catch {close $current_fd}
-                       set current_fd {}
-               }
+               _kill $this
 
                foreach i $w_columns {
                        $i conf -state normal
@@ -389,7 +455,10 @@ method _load {jump} {
        } else {
                set fd [git_read cat-file blob "$commit:$path"]
        }
-       fconfigure $fd -blocking 0 -translation lf -encoding binary
+       fconfigure $fd \
+               -blocking 0 \
+               -translation lf \
+               -encoding [get_path_encoding $path]
        fileevent $fd readable [cb _read_file $fd $jump]
        set current_fd $fd
 }
@@ -490,7 +559,7 @@ method _read_file {fd jump} {
 } ifdeleted { catch {close $fd} }
 
 method _exec_blame {cur_w cur_d options cur_s} {
-       lappend options --incremental
+       lappend options --incremental --encoding=utf-8
        if {$commit eq {}} {
                lappend options --contents $path
        } else {
@@ -498,7 +567,7 @@ method _exec_blame {cur_w cur_d options cur_s} {
        }
        lappend options -- $path
        set fd [eval git_read --nice blame $options]
-       fconfigure $fd -blocking 0 -translation lf -encoding binary
+       fconfigure $fd -blocking 0 -translation lf -encoding utf-8
        fileevent $fd readable [cb _read_blame $fd $cur_w $cur_d]
        set current_fd $fd
        set blame_lines 0
@@ -511,7 +580,6 @@ method _exec_blame {cur_w cur_d options cur_s} {
 method _read_blame {fd cur_w cur_d} {
        upvar #0 $cur_d line_data
        variable group_colors
-       variable original_options
 
        if {$fd ne $current_fd} {
                catch {close $fd}
@@ -684,6 +752,18 @@ method _read_blame {fd cur_w cur_d} {
        if {[eof $fd]} {
                close $fd
                if {$cur_w eq $w_asim} {
+                       # Switches for original location detection
+                       set threshold [get_config gui.copyblamethreshold]
+                       set original_options [list "-C$threshold"]
+
+                       if {![is_config_true gui.fastcopyblame]} {
+                               # thorough copy search; insert before the threshold
+                               set original_options [linsert $original_options 0 -C]
+                       }
+                       if {[git-version >= 1.5.3]} {
+                               lappend original_options -w ; # ignore indentation changes
+                       }
+
                        _exec_blame $this $w_amov @amov_data \
                                $original_options \
                                [mc "Loading original location annotations..."]
@@ -696,29 +776,113 @@ method _read_blame {fd cur_w cur_d} {
        }
 } ifdeleted { catch {close $fd} }
 
+method _find_commit_bound {data_list start_idx delta} {
+       upvar #0 $data_list line_data
+       set pos $start_idx
+       set limit       [expr {[llength $line_data] - 1}]
+       set base_commit [lindex $line_data $pos 0]
+
+       while {$pos > 0 && $pos < $limit} {
+               set new_pos [expr {$pos + $delta}]
+               if {[lindex $line_data $new_pos 0] ne $base_commit} {
+                       return $pos
+               }
+
+               set pos $new_pos
+       }
+
+       return $pos
+}
+
+method _fullcopyblame {} {
+       if {$current_fd ne {}} {
+               tk_messageBox \
+                       -icon error \
+                       -type ok \
+                       -title [mc "Busy"] \
+                       -message [mc "Annotation process is already running."]
+
+               return
+       }
+
+       # Switches for original location detection
+       set threshold [get_config gui.copyblamethreshold]
+       set original_options [list -C -C "-C$threshold"]
+
+       if {[git-version >= 1.5.3]} {
+               lappend original_options -w ; # ignore indentation changes
+       }
+
+       # Find the line range
+       set pos @$::cursorX,$::cursorY
+       set lno [lindex [split [$::cursorW index $pos] .] 0]
+       set min_amov_lno [_find_commit_bound $this @amov_data $lno -1]
+       set max_amov_lno [_find_commit_bound $this @amov_data $lno 1]
+       set min_asim_lno [_find_commit_bound $this @asim_data $lno -1]
+       set max_asim_lno [_find_commit_bound $this @asim_data $lno 1]
+
+       if {$min_asim_lno < $min_amov_lno} {
+               set min_amov_lno $min_asim_lno
+       }
+
+       if {$max_asim_lno > $max_amov_lno} {
+               set max_amov_lno $max_asim_lno
+       }
+
+       lappend original_options -L "$min_amov_lno,$max_amov_lno"
+
+       # Clear lines
+       for {set i $min_amov_lno} {$i <= $max_amov_lno} {incr i} {
+               lset amov_data $i [list ]
+       }
+
+       # Start the back-end process
+       _exec_blame $this $w_amov @amov_data \
+               $original_options \
+               [mc "Running thorough copy detection..."]
+}
+
 method _click {cur_w pos} {
        set lno [lindex [split [$cur_w index $pos] .] 0]
        _showcommit $this $cur_w $lno
 }
 
+method _setencoding {enc} {
+       force_path_encoding $path $enc
+       _load $this [list \
+               $highlight_column \
+               $highlight_line \
+               [lindex [$w_file xview] 0] \
+               [lindex [$w_file yview] 0] \
+               ]
+}
+
 method _load_commit {cur_w cur_d pos} {
        upvar #0 $cur_d line_data
        set lno [lindex [split [$cur_w index $pos] .] 0]
        set dat [lindex $line_data $lno]
        if {$dat ne {}} {
-               lappend history [list \
-                       $commit $path \
-                       $highlight_column \
-                       $highlight_line \
-                       [lindex [$w_file xview] 0] \
-                       [lindex [$w_file yview] 0] \
-                       ]
-               set commit [lindex $dat 0]
-               set path   [lindex $dat 1]
-               _load $this [list [lindex $dat 2]]
+               _load_new_commit $this  \
+                       [lindex $dat 0] \
+                       [lindex $dat 1] \
+                       [list [lindex $dat 2]]
        }
 }
 
+method _load_new_commit {new_commit new_path jump} {
+       lappend history [list \
+               $commit $path \
+               $highlight_column \
+               $highlight_line \
+               [lindex [$w_file xview] 0] \
+               [lindex [$w_file yview] 0] \
+               ]
+
+       set commit $new_commit
+       set path   $new_path
+       _load $this $jump
+}
+
 method _showcommit {cur_w lno} {
        global repo_config
        variable active_color
@@ -751,6 +915,10 @@ method _showcommit {cur_w lno} {
                foreach i $w_columns {
                        $i tag conf g$cmit -background $active_color
                        $i tag raise g$cmit
+                       if {$i eq $w_file} {
+                               $w_file tag raise found
+                       }
+                       $i tag raise sel
                }
 
                set author_name {}
@@ -772,9 +940,8 @@ method _showcommit {cur_w lno} {
                        catch {
                                set fd [git_read cat-file commit $cmit]
                                fconfigure $fd -encoding binary -translation lf
-                               if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
-                                       set enc utf-8
-                               }
+                               # By default commits are assumed to be in utf-8
+                               set enc utf-8
                                while {[gets $fd line] > 0} {
                                        if {[string match {encoding *} $line]} {
                                                set enc [string tolower [string range $line 9 end]]
@@ -786,12 +953,6 @@ method _showcommit {cur_w lno} {
                                set enc [tcl_encoding $enc]
                                if {$enc ne {}} {
                                        set msg [encoding convertfrom $enc $msg]
-                                       set author_name [encoding convertfrom $enc $author_name]
-                                       set committer_name [encoding convertfrom $enc $committer_name]
-                                       set header($cmit,author) $author_name
-                                       set header($cmit,committer) $committer_name
-                                       set header($cmit,summary) \
-                                       [encoding convertfrom $enc $header($cmit,summary)]
                                }
                                set msg [string trim $msg]
                        }
@@ -824,10 +985,14 @@ method _showcommit {cur_w lno} {
        }
 }
 
-method _copycommit {} {
+method _get_click_amov_info {} {
        set pos @$::cursorX,$::cursorY
        set lno [lindex [split [$::cursorW index $pos] .] 0]
-       set dat [lindex $amov_data $lno]
+       return [lindex $amov_data $lno]
+}
+
+method _copycommit {} {
+       set dat [_get_click_amov_info $this]
        if {$dat ne {}} {
                clipboard clear
                clipboard append \
@@ -837,6 +1002,147 @@ method _copycommit {} {
        }
 }
 
+method _format_offset_date {base offset} {
+       set exval [expr {$base + $offset*24*60*60}]
+       return [clock format $exval -format {%Y-%m-%d}]
+}
+
+method _gitkcommit {} {
+       global nullid
+
+       set dat [_get_click_amov_info $this]
+       if {$dat ne {}} {
+               set cmit [lindex $dat 0]
+
+               # If the line belongs to the working copy, use HEAD instead
+               if {$cmit eq $nullid} {
+                       if {[catch {set cmit [git rev-parse --verify HEAD]} err]} {
+                               error_popup [strcat [mc "Cannot find HEAD commit:"] "\n\n$err"]
+                               return;
+                       }
+               }
+
+               set radius [get_config gui.blamehistoryctx]
+               set cmdline [list --select-commit=$cmit]
+
+                if {$radius > 0} {
+                       set author_time {}
+                       set committer_time {}
+
+                       catch {set author_time $header($cmit,author-time)}
+                       catch {set committer_time $header($cmit,committer-time)}
+
+                       if {$committer_time eq {}} {
+                               set committer_time $author_time
+                       }
+
+                       set after_time [_format_offset_date $this $committer_time [expr {-$radius}]]
+                       set before_time [_format_offset_date $this $committer_time $radius]
+
+                       lappend cmdline --after=$after_time --before=$before_time
+               }
+
+               lappend cmdline $cmit
+
+               set base_rev "HEAD"
+               if {$commit ne {}} {
+                       set base_rev $commit
+               }
+
+               if {$base_rev ne $cmit} {
+                       lappend cmdline $base_rev
+               }
+
+               do_gitk $cmdline
+       }
+}
+
+method _blameparent {} {
+       global nullid
+
+       set dat [_get_click_amov_info $this]
+       if {$dat ne {}} {
+               set cmit [lindex $dat 0]
+               set new_path [lindex $dat 1]
+
+               # Allow using Blame Parent on lines modified in the working copy
+               if {$cmit eq $nullid} {
+                       set parent_ref "HEAD"
+               } else {
+                       set parent_ref "$cmit^"
+               }
+               if {[catch {set cparent [git rev-parse --verify $parent_ref]} err]} {
+                       error_popup [strcat [mc "Cannot find parent commit:"] "\n\n$err"]
+                       return;
+               }
+
+               _kill $this
+
+               # Generate a diff between the commit and its parent,
+               # and use the hunks to update the line number.
+               # Request zero context to simplify calculations.
+               if {$cmit eq $nullid} {
+                       set diffcmd [list diff-index --unified=0 $cparent -- $new_path]
+               } else {
+                       set diffcmd [list diff-tree --unified=0 $cparent $cmit -- $new_path]
+               }
+               if {[catch {set fd [eval git_read $diffcmd]} err]} {
+                       $status stop [mc "Unable to display parent"]
+                       error_popup [strcat [mc "Error loading diff:"] "\n\n$err"]
+                       return
+               }
+
+               set r_orig_line [lindex $dat 2]
+
+               fconfigure $fd \
+                       -blocking 0 \
+                       -encoding binary \
+                       -translation binary
+               fileevent $fd readable [cb _read_diff_load_commit \
+                       $fd $cparent $new_path $r_orig_line]
+               set current_fd $fd
+       }
+}
+
+method _read_diff_load_commit {fd cparent new_path tline} {
+       if {$fd ne $current_fd} {
+               catch {close $fd}
+               return
+       }
+
+       while {[gets $fd line] >= 0} {
+               if {[regexp {^@@ -(\d+)(,(\d+))? \+(\d+)(,(\d+))? @@} $line line \
+                       old_line osz old_size new_line nsz new_size]} {
+
+                       if {$osz eq {}} { set old_size 1 }
+                       if {$nsz eq {}} { set new_size 1 }
+
+                       if {$new_line <= $tline} {
+                               if {[expr {$new_line + $new_size}] > $tline} {
+                                       # Target line within the hunk
+                                       set line_shift [expr {
+                                               ($new_size-$old_size)*($tline-$new_line)/$new_size
+                                               }]
+                               } else {
+                                       set line_shift [expr {$new_size-$old_size}]
+                               }
+
+                               set r_orig_line [expr {$r_orig_line - $line_shift}]
+                       }
+               }
+       }
+
+       if {[eof $fd]} {
+               close $fd;
+               set current_fd {}
+
+               _load_new_commit $this  \
+                       $cparent        \
+                       $new_path       \
+                       [list $r_orig_line]
+       }
+} ifdeleted { catch {close $fd} }
+
 method _show_tooltip {cur_w pos} {
        if {$tooltip_wm ne {}} {
                _open_tooltip $this $cur_w