git-gui: add configurable tab size to the diff view

For Tk 8.5 the "wordprocessor" mode allows us to get a bit fancy for merge
diffs and intend the tabs by one to compensate for the additional diff
marker at the line start.

The code is heavily based on how gitk handles tabs.

Signed-off-by: Michael Lutz <michi@icosahedron.de>
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
This commit is contained in:
Michael Lutz
2012-02-12 16:55:17 +01:00
committed by Pat Thoyts
parent a3b3ae35d4
commit a43c5f51a4
3 changed files with 21 additions and 1 deletions

View File

@ -1,6 +1,19 @@
# git-gui diff viewer
# Copyright (C) 2006, 2007 Shawn Pearce
proc apply_tab_size {{firsttab {}}} {
global have_tk85 repo_config ui_diff
set w [font measure font_diff "0"]
if {$have_tk85 && $firsttab != 0} {
$ui_diff configure -tabs [list [expr {$firsttab * $w}] [expr {($firsttab + $repo_config(gui.tabsize)) * $w}]]
} elseif {$have_tk85 || $repo_config(gui.tabsize) != 8} {
$ui_diff configure -tabs [expr {$repo_config(gui.tabsize) * $w}]
} else {
$ui_diff configure -tabs {}
}
}
proc clear_diff {} {
global ui_diff current_diff_path current_diff_header
global ui_index ui_workdir
@ -105,6 +118,8 @@ proc show_diff {path w {lno {}} {scroll_pos {}} {callback {}}} {
set cont_info [list $scroll_pos $callback]
apply_tab_size 0
if {[string first {U} $m] >= 0} {
merge_load_stages $path [list show_unmerged_diff $cont_info]
} elseif {$m eq {_O}} {
@ -401,7 +416,10 @@ proc read_diff {fd conflict_size cont_info} {
# -- Automatically detect if this is a 3 way diff.
#
if {[string match {@@@ *} $line]} {set is_3way_diff 1}
if {[string match {@@@ *} $line]} {
set is_3way_diff 1
apply_tab_size 1
}
if {$::current_diff_inheader} {