#bindall <B1-Motion> {selcanvline %W %x %y}
bindall <ButtonRelease-4> "allcanvs yview scroll -5 units"
bindall <ButtonRelease-5> "allcanvs yview scroll 5 units"
- bindall <2> "allcanvs scan mark 0 %y"
- bindall <B2-Motion> "allcanvs scan dragto 0 %y"
+ bindall <2> "canvscan mark %W %x %y"
+ bindall <B2-Motion> "canvscan dragto %W %x %y"
bind . <Key-Up> "selnextline -1"
bind . <Key-Down> "selnextline 1"
bind . <Key-Right> "goforw"
$rowctxmenu add command -label "Write commit to file" -command writecommit
}
+# mouse-2 makes all windows scan vertically, but only the one
+# the cursor is in scans horizontally
+proc canvscan {op w x y} {
+ global canv canv2 canv3
+ foreach c [list $canv $canv2 $canv3] {
+ if {$c == $w} {
+ $c scan $op $x $y
+ } else {
+ $c scan $op 0 $y
+ }
+ }
+}
+
proc scrollcanv {cscroll f0 f1} {
$cscroll set $f0 $f1
drawfrac $f0 $f1
global rowidlist rowoffsets displayorder
global rowlaidout rowoptim
global idinlist rowchk
- global commitidx numcommits
+ global commitidx numcommits canvxmax canv
global nextcolor
set commitidx 0
catch {unset rowchk}
set rowlaidout 0
set rowoptim 0
+ set canvxmax [$canv cget -width]
+}
+
+proc setcanvscroll {} {
+ global canv canv2 canv3 numcommits linespc canvxmax canvy0
+
+ set ymax [expr {$canvy0 + ($numcommits - 0.5) * $linespc + 2}]
+ $canv conf -scrollregion [list 0 0 $canvxmax $ymax]
+ $canv2 conf -scrollregion [list 0 0 0 $ymax]
+ $canv3 conf -scrollregion [list 0 0 0 $ymax]
}
proc visiblerows {} {
proc showstuff {canshow} {
global numcommits
- global canvy0 linespc
global linesegends idrowranges idrangedrawn
if {$numcommits == 0} {
}
set row $numcommits
set numcommits $canshow
- allcanvs conf -scrollregion \
- [list 0 0 0 [expr {$canvy0 + ($numcommits - 0.5) * $linespc + 2}]]
+ setcanvscroll
set rows [visiblerows]
set r0 [lindex $rows 0]
set r1 [lindex $rows 1]
set idlist [lindex $rowidlist $row]
set offs [lindex $rowoffsets $row]
set haspad 0
- set downarrowcols {}
- if {[info exists linesegends($row)]} {
- set downarrowcols $linesegends($row)
- if {$col > 0} {
- while {$downarrowcols ne {}} {
- set i [lsearch -exact $idlist [lindex $downarrowcols 0]]
- if {$i < 0 || $i >= $col} break
- set downarrowcols [lrange $downarrowcols 1 end]
- }
- }
- }
for {} {$col < [llength $offs]} {incr col} {
if {[lindex $idlist $col] eq {}} {
set haspad 1
$y0 > [lindex $idrowranges($id) 0]} {
set isarrow 1
}
- } elseif {$downarrowcols ne {} &&
- [lindex $idlist $col] eq [lindex $downarrowcols 0]} {
- set downarrowcols [lrange $downarrowcols 1 end]
- set isarrow 1
}
if {$z < -1 || ($z < 0 && $isarrow)} {
set npad [expr {-1 - $z + $isarrow}]
proc drawlineseg {id i} {
global rowoffsets rowidlist idrowranges
global displayorder
- global canv colormap
+ global canv colormap linespc
set startrow [lindex $idrowranges($id) [expr {2 * $i}]]
set row [lindex $idrowranges($id) [expr {2 * $i + 1}]]
}
if {[llength $coords] < 4} return
set last [expr {[llength $idrowranges($id)] / 2 - 1}]
+ if {$i < $last} {
+ # This line has an arrow at the lower end: check if the arrow is
+ # on a diagonal segment, and if so, work around the Tk 8.4
+ # refusal to draw arrows on diagonal lines.
+ set x0 [lindex $coords 0]
+ set x1 [lindex $coords 2]
+ if {$x0 != $x1} {
+ set y0 [lindex $coords 1]
+ set y1 [lindex $coords 3]
+ if {$y0 - $y1 <= 2 * $linespc && $x1 == [lindex $coords 4]} {
+ # we have a nearby vertical segment, just trim off the diag bit
+ set coords [lrange $coords 2 end]
+ } else {
+ set slope [expr {($x0 - $x1) / ($y0 - $y1)}]
+ set xi [expr {$x0 - $slope * $linespc / 2}]
+ set yi [expr {$y0 - $linespc / 2}]
+ set coords [lreplace $coords 0 1 $xi $y0 $xi $yi]
+ }
+ }
+ }
set arrow [expr {2 * ($i > 0) + ($i < $last)}]
set arrow [lindex {none first last both} $arrow]
set t [$canv create line $coords -width [linewidth $id] \
global commitlisted commitinfo rowidlist
global rowtextx idpos idtags idheads idotherrefs
global linehtag linentag linedtag
- global mainfont namefont
+ global mainfont namefont canvxmax
set ofill [expr {[info exists commitlisted($id)]? "blue": "white"}]
set x [xc $row $col]
-text $name -font $namefont]
set linedtag($row) [$canv3 create text 3 $y -anchor w \
-text $date -font $mainfont]
+ set xr [expr {$xt + [font measure $mainfont $headline]}]
+ if {$xr > $canvxmax} {
+ set canvxmax $xr
+ setcanvscroll
+ }
}
proc drawcmitrow {row} {
}
proc redisplay {} {
- global canv canvy0 linespc numcommits
+ global canv
global selectedline
set ymax [lindex [$canv cget -scrollregion] 3]
if {$ymax eq {} || $ymax == 0} return
set span [$canv yview]
clear_display
- allcanvs conf -scrollregion \
- [list 0 0 0 [expr {$canvy0 + ($numcommits - 0.5) * $linespc + 2}]]
+ setcanvscroll
allcanvs yview moveto [lindex $span 0]
drawvisible
if {[info exists selectedline]} {