Merge branch 'master' of git://repo.or.cz/git-gui

* 'master' of git://repo.or.cz/git-gui:
  git-gui: Use vi-like keys in merge dialog
  git-gui: Include commit id/subject in merge choices
  git-gui: Show all possible branches for merge
  git-gui: Move merge support into a namespace
  git-gui: Allow vi keys to scroll the diff/blame regions
  git-gui: Move console procs into their own namespace
  git-gui: Refactor into multiple files to save my sanity
  git-gui: Track our own embedded values and rebuild when they change
  git-gui: Refactor to use our git proc more often
  git-gui: Use option database defaults to set the font
  git-gui: Cleanup common font handling for font_ui
  git-gui: Correct line wrapping for too many branch message
  git-gui: Warn users before making an octopus merge
  git-gui: Include the subject in the status bar after commit

Also perform an evil merge change to update Git's main Makefile to
pass the proper options down into git-gui now that it depends on
reasonable values for 'sharedir' and 'TCL_PATH'.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

1 files changed, 263 insertions, 0 deletions

diff --git a/git-gui/lib/browser.tcl b/git-gui/lib/browser.tcl
new file mode 100644
index 0000000000..631859ae75
--- /dev/null
+++ b/git-gui/lib/browser.tcl
@@ -0,0 +1,263 @@
+# git-gui tree browser
+# Copyright (C) 2006, 2007 Shawn Pearce
+
+set next_browser_id 0
+
+proc new_browser {commit} {
+	global next_browser_id cursor_ptr M1B
+	global browser_commit browser_status browser_stack browser_path browser_busy
+
+	if {[winfo ismapped .]} {
+		set w .browser[incr next_browser_id]
+		set tl $w
+		toplevel $w
+	} else {
+		set w {}
+		set tl .
+	}
+	set w_list $w.list.l
+	set browser_commit($w_list) $commit
+	set browser_status($w_list) {Starting...}
+	set browser_stack($w_list) {}
+	set browser_path($w_list) $browser_commit($w_list):
+	set browser_busy($w_list) 1
+
+	label $w.path -textvariable browser_path($w_list) \
+		-anchor w \
+		-justify left \
+		-borderwidth 1 \
+		-relief sunken \
+		-font font_uibold
+	pack $w.path -anchor w -side top -fill x
+
+	frame $w.list
+	text $w_list -background white -borderwidth 0 \
+		-cursor $cursor_ptr \
+		-state disabled \
+		-wrap none \
+		-height 20 \
+		-width 70 \
+		-xscrollcommand [list $w.list.sbx set] \
+		-yscrollcommand [list $w.list.sby set]
+	$w_list tag conf in_sel \
+		-background [$w_list cget -foreground] \
+		-foreground [$w_list cget -background]
+	scrollbar $w.list.sbx -orient h -command [list $w_list xview]
+	scrollbar $w.list.sby -orient v -command [list $w_list yview]
+	pack $w.list.sbx -side bottom -fill x
+	pack $w.list.sby -side right -fill y
+	pack $w_list -side left -fill both -expand 1
+	pack $w.list -side top -fill both -expand 1
+
+	label $w.status -textvariable browser_status($w_list) \
+		-anchor w \
+		-justify left \
+		-borderwidth 1 \
+		-relief sunken
+	pack $w.status -anchor w -side bottom -fill x
+
+	bind $w_list <Button-1>        "browser_click 0 $w_list @%x,%y;break"
+	bind $w_list <Double-Button-1> "browser_click 1 $w_list @%x,%y;break"
+	bind $w_list <$M1B-Up>         "browser_parent $w_list;break"
+	bind $w_list <$M1B-Left>       "browser_parent $w_list;break"
+	bind $w_list <Up>              "browser_move -1 $w_list;break"
+	bind $w_list <Down>            "browser_move 1 $w_list;break"
+	bind $w_list <$M1B-Right>      "browser_enter $w_list;break"
+	bind $w_list <Return>          "browser_enter $w_list;break"
+	bind $w_list <Prior>           "browser_page -1 $w_list;break"
+	bind $w_list <Next>            "browser_page 1 $w_list;break"
+	bind $w_list <Left>            break
+	bind $w_list <Right>           break
+
+	bind $tl <Visibility> "focus $w"
+	bind $tl <Destroy> "
+		array unset browser_buffer $w_list
+		array unset browser_files $w_list
+		array unset browser_status $w_list
+		array unset browser_stack $w_list
+		array unset browser_path $w_list
+		array unset browser_commit $w_list
+		array unset browser_busy $w_list
+	"
+	wm title $tl "[appname] ([reponame]): File Browser"
+	ls_tree $w_list $browser_commit($w_list) {}
+}
+
+proc browser_move {dir w} {
+	global browser_files browser_busy
+
+	if {$browser_busy($w)} return
+	set lno [lindex [split [$w index in_sel.first] .] 0]
+	incr lno $dir
+	if {[lindex $browser_files($w) [expr {$lno - 1}]] ne {}} {
+		$w tag remove in_sel 0.0 end
+		$w tag add in_sel $lno.0 [expr {$lno + 1}].0
+		$w see $lno.0
+	}
+}
+
+proc browser_page {dir w} {
+	global browser_files browser_busy
+
+	if {$browser_busy($w)} return
+	$w yview scroll $dir pages
+	set lno [expr {int(
+		  [lindex [$w yview] 0]
+		* [llength $browser_files($w)]
+		+ 1)}]
+	if {[lindex $browser_files($w) [expr {$lno - 1}]] ne {}} {
+		$w tag remove in_sel 0.0 end
+		$w tag add in_sel $lno.0 [expr {$lno + 1}].0
+		$w see $lno.0
+	}
+}
+
+proc browser_parent {w} {
+	global browser_files browser_status browser_path
+	global browser_stack browser_busy
+
+	if {$browser_busy($w)} return
+	set info [lindex $browser_files($w) 0]
+	if {[lindex $info 0] eq {parent}} {
+		set parent [lindex $browser_stack($w) end-1]
+		set browser_stack($w) [lrange $browser_stack($w) 0 end-2]
+		if {$browser_stack($w) eq {}} {
+			regsub {:.*$} $browser_path($w) {:} browser_path($w)
+		} else {
+			regsub {/[^/]+$} $browser_path($w) {} browser_path($w)
+		}
+		set browser_status($w) "Loading $browser_path($w)..."
+		ls_tree $w [lindex $parent 0] [lindex $parent 1]
+	}
+}
+
+proc browser_enter {w} {
+	global browser_files browser_status browser_path
+	global browser_commit browser_stack browser_busy
+
+	if {$browser_busy($w)} return
+	set lno [lindex [split [$w index in_sel.first] .] 0]
+	set info [lindex $browser_files($w) [expr {$lno - 1}]]
+	if {$info ne {}} {
+		switch -- [lindex $info 0] {
+		parent {
+			browser_parent $w
+		}
+		tree {
+			set name [lindex $info 2]
+			set escn [escape_path $name]
+			set browser_status($w) "Loading $escn..."
+			append browser_path($w) $escn
+			ls_tree $w [lindex $info 1] $name
+		}
+		blob {
+			set name [lindex $info 2]
+			set p {}
+			foreach n $browser_stack($w) {
+				append p [lindex $n 1]
+			}
+			append p $name
+			show_blame $browser_commit($w) $p
+		}
+		}
+	}
+}
+
+proc browser_click {was_double_click w pos} {
+	global browser_files browser_busy
+
+	if {$browser_busy($w)} return
+	set lno [lindex [split [$w index $pos] .] 0]
+	focus $w
+
+	if {[lindex $browser_files($w) [expr {$lno - 1}]] ne {}} {
+		$w tag remove in_sel 0.0 end
+		$w tag add in_sel $lno.0 [expr {$lno + 1}].0
+		if {$was_double_click} {
+			browser_enter $w
+		}
+	}
+}
+
+proc ls_tree {w tree_id name} {
+	global browser_buffer browser_files browser_stack browser_busy
+
+	set browser_buffer($w) {}
+	set browser_files($w) {}
+	set browser_busy($w) 1
+
+	$w conf -state normal
+	$w tag remove in_sel 0.0 end
+	$w delete 0.0 end
+	if {$browser_stack($w) ne {}} {
+		$w image create end \
+			-align center -padx 5 -pady 1 \
+			-name icon0 \
+			-image file_uplevel
+		$w insert end {[Up To Parent]}
+		lappend browser_files($w) parent
+	}
+	lappend browser_stack($w) [list $tree_id $name]
+	$w conf -state disabled
+
+	set cmd [list git ls-tree -z $tree_id]
+	set fd [open "| $cmd" r]
+	fconfigure $fd -blocking 0 -translation binary -encoding binary
+	fileevent $fd readable [list read_ls_tree $fd $w]
+}
+
+proc read_ls_tree {fd w} {
+	global browser_buffer browser_files browser_status browser_busy
+
+	if {![winfo exists $w]} {
+		catch {close $fd}
+		return
+	}
+
+	append browser_buffer($w) [read $fd]
+	set pck [split $browser_buffer($w) "\0"]
+	set browser_buffer($w) [lindex $pck end]
+
+	set n [llength $browser_files($w)]
+	$w conf -state normal
+	foreach p [lrange $pck 0 end-1] {
+		set info [split $p "\t"]
+		set path [lindex $info 1]
+		set info [split [lindex $info 0] { }]
+		set type [lindex $info 1]
+		set object [lindex $info 2]
+
+		switch -- $type {
+		blob {
+			set image file_mod
+		}
+		tree {
+			set image file_dir
+			append path /
+		}
+		default {
+			set image file_question
+		}
+		}
+
+		if {$n > 0} {$w insert end "\n"}
+		$w image create end \
+			-align center -padx 5 -pady 1 \
+			-name icon[incr n] \
+			-image $image
+		$w insert end [escape_path $path]
+		lappend browser_files($w) [list $type $object $path]
+	}
+	$w conf -state disabled
+
+	if {[eof $fd]} {
+		close $fd
+		set browser_status($w) Ready.
+		set browser_busy($w) 0
+		array unset browser_buffer $w
+		if {$n > 0} {
+			$w tag add in_sel 1.0 2.0
+			focus -force $w
+		}
+	}
+}