$x1max} { set x1 $x1max } if {$y1 > $y1max} { set y1 $y1max } if {$x2 < $x2min} { set x2 $x2min } if {$y2 < $y2min} { set y2 $y2min } set data(sx1) $x1 set data(sy1) $y1 set data(sx2) $x2 set data(sy2) $y2 set sW [expr {$x2 - $x1 + 1}] set sH [expr {$y2 - $y1 + 1}] # puts "sregion = {$x1 $y1 $x2 $y2}; sW=$sW; cW=$cW" if {$sW > $cW} { set hsbSpec {0.5 1} } else { set hsbSpec {0 1} } if {$sH > $cH} { set vsbSpec {0.5 1} } else { set vsbSpec {0 1} } if $setReg { tixCObjView:SetScrollBars $w $cW $cH $sW $sH } if $callConfig { tixWidgetDoWhenIdle tixScrolledWidget:Configure $w } return [list $hsbSpec $vsbSpec] } #xF = xFirst # proc tixCObjView:SetScrollBars {w cW cH sW sH} { upvar #0 $w data # puts "$data(xorig) <--> $data(sx1)" set xF [expr ($data(xorig).0-$data(sx1).0)/$sW.0] set xL [expr $cW.0/$sW.0 + $xF] set yF [expr ($data(yorig).0-$data(sy1).0)/$sH.0] set yL [expr $cH.0/$sH.0 + $yF] # puts "$xF $xL : $yF $yL" $data(w:hsb) set $xF $xL $data(w:vsb) set $yF $yL } proc tixCObjView:UserScroll {w dir type args} { upvar #0 $w data $data(w:canvas) config -xscrollincrement 1 -yscrollincrement 1 case $dir { x { set n $data(xorig) set orig $data(xorig) set s1 $data(sx1) set total [expr {$data(sx2)-$data(sx1)}] set page [tixWinWidth $data(w:canvas)] set min $data(sx1) set max [expr {$data(sx1)+$total-$page}] set inc $data(-xscrollincrement) } y { set n $data(yorig) set orig $data(yorig) set s1 $data(sy1) set total [expr {$data(sy2)-$data(sy1)}] set page [tixWinHeight $data(w:canvas)] set min $data(sy1) set max [expr {$data(sy1)+$total-$page}] set inc $data(-yscrollincrement) } } case $type { scroll { set amt [lindex $args 0] set unit [lindex $args 1] case $unit { units { incr n [expr int($inc)*$amt] } pages { incr n [expr {$page*$amt}] } } } moveto { set first [lindex $args 0] set n [expr round($first*$total)+$s1] } } if {$n < $min} { set n $min } if {$n > $max} { set n $max } # puts "n=$n min=$min max=$max" case $dir { x { $data(w:canvas) xview scroll [expr {$n-$orig}] units set data(xorig) $n } y { $data(w:canvas) yview scroll [expr {$n-$orig}] units set data(yorig) $n } } set cW [tixWinWidth $data(w:canvas)] set cH [tixWinHeight $data(w:canvas)] set sW [expr {$data(sx2)-$data(sx1)+1}] set sH [expr {$data(sy2)-$data(sy1)+1}] tixCObjView:SetScrollBars $w $cW $cH $sW $sH } # Junk # # proc tixCObjView:XScroll {w first last} { upvar #0 $w data set sc [$data(w:canvas) cget -scrollregion] if {$sc == ""} { set x1 1 set x2 [tixWinWidth $data(w:canvas)] } else { set x1 [lindex $sc 0] set x2 [lindex $sc 2] } set W [expr {$x2 - $x1}] if {$W < 1} { set W 1 } $data(w:hsb) set $first $last # tixWidgetDoWhenIdle tixScrolledWidget:Configure $w } # Junk # proc tixCObjView:YScroll {w first last} { upvar #0 $w data set sc [$data(w:canvas) cget -scrollregion] if {$sc == ""} { set y1 1 set y2 [tixWinHeight $data(w:canvas)] } else { set y1 [lindex $sc 1] set y2 [lindex $sc 3] } set H [expr {$y2 - $y1}] if {$H < 1} { set H 1 } $data(w:vsb) set $first $last # tixWidgetDoWhenIdle tixScrolledWidget:Configure $w }