[PATCH (GIT-GUI,GITK) 7/8] gitk: Implement file contents encoding support.

[Alexander Gavrilov <angavrilov@xxxxxxxxx>]

Use new functions to support using explicit encoding
configuration for file contents.

Signed-off-by: Alexander Gavrilov <angavrilov@xxxxxxxxx>
---
 gitk |   19 ++++++++++++++++---
 1 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/gitk b/gitk
index b210f79..98923e7 100755
--- a/gitk
+++ b/gitk
@@ -6295,7 +6295,7 @@ proc showfile {f} {
 	    return
 	}
     }
-    fconfigure $bf -blocking 0
+    fconfigure $bf -blocking 0 -encoding [get_cached_encoding $f]
     filerun $bf [list getblobline $bf $diffids]
     $ctext config -state normal
     clear_ctext $commentend
@@ -6333,6 +6333,7 @@ proc mergediff {id} {
     global diffids
     global parents
     global diffcontext
+    global diffencoding
     global limitdiffs vfilelimit curview
 
     set diffmergeid $id
@@ -6346,9 +6347,10 @@ proc mergediff {id} {
 	error_popup "[mc "Error getting merge diffs:"] $err"
 	return
     }
-    fconfigure $mdf -blocking 0
+    fconfigure $mdf -blocking 0 -encoding binary
     set mdifffd($id) $mdf
     set np [llength $parents($curview,$id)]
+    set diffencoding [get_cached_encoding {}]
     settabs $np
     filerun $mdf [list getmergediffline $mdf $id $np]
 }
@@ -6356,6 +6358,7 @@ proc mergediff {id} {
 proc getmergediffline {mdf id np} {
     global diffmergeid ctext cflist mergemax
     global difffilestart mdifffd
+    global diffencoding
 
     $ctext conf -state normal
     set nr 0
@@ -6371,14 +6374,17 @@ proc getmergediffline {mdf id np} {
 	    set here [$ctext index "end - 1c"]
 	    lappend difffilestart $here
 	    add_flist [list $fname]
+	    set diffencoding [get_cached_encoding $fname]
 	    set l [expr {(78 - [string length $fname]) / 2}]
 	    set pad [string range "----------------------------------------" 1 $l]
 	    $ctext insert end "$pad $fname $pad\n" filesep
 	} elseif {[regexp {^@@} $line]} {
+	    set line [encoding convertfrom $diffencoding $line]
 	    $ctext insert end "$line\n" hunksep
 	} elseif {[regexp {^[0-9a-f]{40}$} $line] || [regexp {^index} $line]} {
 	    # do nothing
 	} else {
+	    set line [encoding convertfrom $diffencoding $line]
 	    # parse the prefix - one ' ', '-' or '+' for each parent
 	    set spaces {}
 	    set minuses {}
@@ -6586,6 +6592,7 @@ proc getblobdiffs {ids} {
     global diffcontext
     global ignorespace
     global limitdiffs vfilelimit curview
+    global diffencoding
 
     set cmd [diffcmd $ids "-p -C --no-commit-id -U$diffcontext"]
     if {$ignorespace} {
@@ -6599,7 +6606,8 @@ proc getblobdiffs {ids} {
 	return
     }
     set diffinhdr 0
-    fconfigure $bdf -blocking 0
+    set diffencoding [get_cached_encoding {}]
+    fconfigure $bdf -blocking 0 -encoding binary
     set blobdifffd($ids) $bdf
     filerun $bdf [list getblobdiffline $bdf $diffids]
 }
@@ -6633,6 +6641,7 @@ proc getblobdiffline {bdf ids} {
     global diffids blobdifffd ctext curdiffstart
     global diffnexthead diffnextnote difffilestart
     global diffinhdr treediffs
+    global diffencoding
 
     set nr 0
     $ctext conf -state normal
@@ -6670,10 +6679,12 @@ proc getblobdiffline {bdf ids} {
 	    } else {
 		set fname [string range $line 2 [expr {$i - 1}]]
 	    }
+	    set diffencoding [get_cached_encoding $fname]
 	    makediffhdr $fname $ids
 
 	} elseif {[regexp {^@@ -([0-9]+)(,[0-9]+)? \+([0-9]+)(,[0-9]+)? @@(.*)} \
 		       $line match f1l f1c f2l f2c rest]} {
+	    set line [encoding convertfrom $diffencoding $line]
 	    $ctext insert end "$line\n" hunksep
 	    set diffinhdr 0
 
@@ -6693,6 +6704,7 @@ proc getblobdiffline {bdf ids} {
 		if {[string index $fname 0] eq "\""} {
 		    set fname [lindex $fname 0]
 		}
+		set diffencoding [get_cached_encoding $fname]
 		makediffhdr $fname $ids
 	    } elseif {[string compare -length 3 $line "---"] == 0} {
 		# do nothing
@@ -6704,6 +6716,7 @@ proc getblobdiffline {bdf ids} {
 	    $ctext insert end "$line\n" filesep
 
 	} else {
+	    set line [encoding convertfrom $diffencoding $line]
 	    set x [string range $line 0 0]
 	    if {$x == "-" || $x == "+"} {
 		set tag [expr {$x == "+"}]
-- 
1.6.0.20.g6148bc

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