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# -*- mode: TCL; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*- # # $Id: Grid.tcl,v 1.6 2004/03/28 02:44:57 hobbs Exp $ # # Grid.tcl -- # # This file defines the default bindings for Tix Grid widgets. # # Copyright (c) 1993-1999 Ioi Kim Lam. # Copyright (c) 2000-2001 Tix Project Group. # Copyright (c) 2004 ActiveState # # See the file "license.terms" for information on usage and redistribution # of this file, and for a DISCLAIMER OF ALL WARRANTIES. # global tkPriv if {![llength [info globals tkPriv]]} { tk::unsupported::ExposePrivateVariable tkPriv } #-------------------------------------------------------------------------- # tkPriv elements used in this file: # # afterId - Token returned by "after" for autoscanning. # fakeRelease - Cancel the ButtonRelease-1 after the user double click #-------------------------------------------------------------------------- # foreach fun {tkCancelRepeat} { if {![llength [info commands $fun]]} { tk::unsupported::ExposePrivateCommand $fun } } unset fun proc tixGridBind {} { tixBind TixGrid <ButtonPress-1> { tixGrid:Button-1 %W %x %y } tixBind TixGrid <Shift-ButtonPress-1> { tixGrid:Shift-Button-1 %W %x %y } tixBind TixGrid <Control-ButtonPress-1> { tixGrid:Control-Button-1 %W %x %y } tixBind TixGrid <ButtonRelease-1> { tixGrid:ButtonRelease-1 %W %x %y } tixBind TixGrid <Double-ButtonPress-1> { tixGrid:Double-1 %W %x %y } tixBind TixGrid <B1-Motion> { set tkPriv(x) %x set tkPriv(y) %y set tkPriv(X) %X set tkPriv(Y) %Y tixGrid:B1-Motion %W %x %y } tixBind TixGrid <Control-B1-Motion> { set tkPriv(x) %x set tkPriv(y) %y set tkPriv(X) %X set tkPriv(Y) %Y tixGrid:Control-B1-Motion %W %x %y } tixBind TixGrid <B1-Leave> { set tkPriv(x) %x set tkPriv(y) %y set tkPriv(X) %X set tkPriv(Y) %Y tixGrid:B1-Leave %W } tixBind TixGrid <B1-Enter> { tixGrid:B1-Enter %W %x %y } tixBind TixGrid <Control-B1-Leave> { set tkPriv(x) %x set tkPriv(y) %y set tkPriv(X) %X set tkPriv(Y) %Y tixGrid:Control-B1-Leave %W } tixBind TixGrid <Control-B1-Enter> { tixGrid:Control-B1-Enter %W %x %y } # Keyboard bindings # tixBind TixGrid <Up> { tixGrid:DirKey %W up } tixBind TixGrid <Down> { tixGrid:DirKey %W down } tixBind TixGrid <Left> { tixGrid:DirKey %W left } tixBind TixGrid <Right> { tixGrid:DirKey %W right } tixBind TixGrid <Prior> { %W yview scroll -1 pages } tixBind TixGrid <Next> { %W yview scroll 1 pages } tixBind TixGrid <Return> { tixGrid:Return %W } tixBind TixGrid <space> { tixGrid:Space %W } # # Don't use tixBind because %A causes Tk 8.3.2 to crash # bind TixGrid <MouseWheel> { %W yview scroll [expr {- (%D / 120) * 2}] units } } #---------------------------------------------------------------------- # # # Mouse bindings # # #---------------------------------------------------------------------- proc tixGrid:Button-1 {w x y} { if {[$w cget -state] eq "disabled"} { return } tixGrid:SetFocus $w if {[tixGrid:GetState $w] == 0} { tixGrid:GoState 1 $w $x $y } } proc tixGrid:Shift-Button-1 {w x y} { if {[$w cget -state] eq "disabled"} { return } tixGrid:SetFocus $w } proc tixGrid:Control-Button-1 {w x y} { if {[$w cget -state] eq "disabled"} { return } tixGrid:SetFocus $w case [tixGrid:GetState $w] { {s0} { tixGrid:GoState s1 $w $x $y } {b0} { tixGrid:GoState b1 $w $x $y } {m0} { tixGrid:GoState m1 $w $x $y } {e0} { tixGrid:GoState e10 $w $x $y } } } proc tixGrid:ButtonRelease-1 {w x y} { case [tixGrid:GetState $w] { {2} { tixGrid:GoState 5 $w $x $y } {4} { tixGrid:GoState 3 $w $x $y } } } proc tixGrid:B1-Motion {w x y} { case [tixGrid:GetState $w] { {2 4} { tixGrid:GoState 4 $w $x $y } } } proc tixGrid:Control-B1-Motion {w x y} { case [tixGrid:GetState $w] { {s2 s4} { tixGrid:GoState s4 $w $x $y } {b2 b4} { tixGrid:GoState b4 $w $x $y } {m2 m5} { tixGrid:GoState m4 $w $x $y } } } proc tixGrid:Double-1 {w x y} { case [tixGrid:GetState $w] { {s0} { tixGrid:GoState s7 $w $x $y } {b0} { tixGrid:GoState b7 $w $x $y } } } proc tixGrid:B1-Leave {w} { case [tixGrid:GetState $w] { {s2 s4} { tixGrid:GoState s5 $w } {b2 b4} { tixGrid:GoState b5 $w } {m2 m5} { tixGrid:GoState m8 $w } {e2 e5} { tixGrid:GoState e8 $w } } } proc tixGrid:B1-Enter {w x y} { case [tixGrid:GetState $w] { {s5 s6} { tixGrid:GoState s4 $w $x $y } {b5 b6} { tixGrid:GoState b4 $w $x $y } {m8 m9} { tixGrid:GoState m4 $w $x $y } {e8 e9} { tixGrid:GoState e4 $w $x $y } } } proc tixGrid:Control-B1-Leave {w} { case [tixGrid:GetState $w] { {s2 s4} { tixGrid:GoState s5 $w } {b2 b4} { tixGrid:GoState b5 $w } {m2 m5} { tixGrid:GoState m8 $w } } } proc tixGrid:Control-B1-Enter {w x y} { case [tixGrid:GetState $w] { {s5 s6} { tixGrid:GoState s4 $w $x $y } {b5 b6} { tixGrid:GoState b4 $w $x $y } {m8 m9} { tixGrid:GoState m4 $w $x $y } } } proc tixGrid:AutoScan {w} { case [tixGrid:GetState $w] { {s5 s6} { tixGrid:GoState s6 $w } {b5 b6} { tixGrid:GoState b6 $w } {m8 m9} { tixGrid:GoState m9 $w } {e8 e9} { tixGrid:GoState e9 $w } } } #---------------------------------------------------------------------- # # # Key bindings # # #---------------------------------------------------------------------- proc tixGrid:DirKey {w key} { if {[$w cget -state] eq "disabled"} { return } case [tixGrid:GetState $w] { {s0} { tixGrid:GoState s8 $w $key } {b0} { tixGrid:GoState b8 $w $key } } } proc tixGrid:Return {w} { if {[$w cget -state] eq "disabled"} { return } case [tixGrid:GetState $w] { {s0} { tixGrid:GoState s9 $w } {b0} { tixGrid:GoState b9 $w } } } proc tixGrid:Space {w} { if {[$w cget -state] eq "disabled"} { return } case [tixGrid:GetState $w] { {s0} { tixGrid:GoState s10 $w } {b0} { tixGrid:GoState b10 $w } } } #---------------------------------------------------------------------- # # STATE MANIPULATION # # #---------------------------------------------------------------------- proc tixGrid:GetState {w} { global $w:priv:state if {![info exists $w:priv:state]} { set $w:priv:state 0 } return [set $w:priv:state] } proc tixGrid:SetState {w n} { global $w:priv:state set $w:priv:state $n } proc tixGrid:GoState {n w args} { # puts "going from [tixGrid:GetState $w] --> $n" tixGrid:SetState $w $n eval tixGrid:GoState-$n $w $args } #---------------------------------------------------------------------- # SELECTION ROUTINES #---------------------------------------------------------------------- proc tixGrid:SelectSingle {w ent} { $w selection set [lindex $ent 0] [lindex $ent 1] tixGrid:CallBrowseCmd $w $ent } #---------------------------------------------------------------------- # SINGLE SELECTION #---------------------------------------------------------------------- proc tixGrid:GoState-0 {w} { set list $w:_list global $list if {[info exists $list]} { foreach cmd [set $list] { uplevel #0 $cmd } if {[info exists $list]} { unset $list } } } proc tixGrid:GoState-1 {w x y} { set ent [$w nearest $x $y] if {$ent != ""} { tixGrid:SetAnchor $w $ent } tixGrid:CheckEdit $w $w selection clear 0 0 max max if {[$w cget -selectmode] ne "single"} { tixGrid:SelectSingle $w $ent } tixGrid:GoState 2 $w } proc tixGrid:GoState-2 {w} { } proc tixGrid:GoState-3 {w x y} { set ent [$w nearest $x $y] if {$ent != ""} { tixGrid:SelectSingle $w $ent } tixGrid:GoState 0 $w } proc tixGrid:GoState-5 {w x y} { set ent [$w nearest $x $y] if {$ent != ""} { tixGrid:SelectSingle $w $ent tixGrid:SetEdit $w $ent } tixGrid:GoState 0 $w } proc tixGrid:GoState-4 {w x y} { set ent [$w nearest $x $y] case [$w cget -selectmode] { single { tixGrid:SetAnchor $w $ent } browse { tixGrid:SetAnchor $w $ent $w selection clear 0 0 max max tixGrid:SelectSingle $w $ent } {multiple extended} { set anchor [$w anchor get] $w selection adjust [lindex $anchor 0] [lindex $anchor 1] \ [lindex $ent 0] [lindex $ent 1] } } } proc tixGrid:GoState-s5 {w} { tixGrid:StartScan $w } proc tixGrid:GoState-s6 {w} { global tkPriv tixGrid:DoScan $w } proc tixGrid:GoState-s7 {w x y} { set ent [$w nearest $x $y] if {$ent != ""} { $w selection clear $w selection set $ent tixGrid:CallCommand $w $ent } tixGrid:GoState s0 $w } proc tixGrid:GoState-s8 {w key} { set anchor [$w info anchor] if {$anchor == ""} { set anchor 0 } else { set anchor [$w info $key $anchor] } $w anchor set $anchor $w see $anchor tixGrid:GoState s0 $w } proc tixGrid:GoState-s9 {w} { set anchor [$w info anchor] if {$anchor == ""} { set anchor 0 $w anchor set $anchor $w see $anchor } if {[$w info anchor] != ""} { # ! may not have any elements # tixGrid:CallCommand $w [$w info anchor] $w selection clear $w selection set $anchor } tixGrid:GoState s0 $w } proc tixGrid:GoState-s10 {w} { set anchor [$w info anchor] if {$anchor == ""} { set anchor 0 $w anchor set $anchor $w see $anchor } if {[$w info anchor] != ""} { # ! may not have any elements # tixGrid:CallBrowseCmd $w [$w info anchor] $w selection clear $w selection set $anchor } tixGrid:GoState s0 $w } #---------------------------------------------------------------------- # BROWSE SELECTION #---------------------------------------------------------------------- proc tixGrid:GoState-b0 {w} { } proc tixGrid:GoState-b1 {w x y} { set ent [$w nearest $x $y] if {$ent != ""} { $w anchor set $ent $w selection clear $w selection set $ent tixGrid:CallBrowseCmd $w $ent } tixGrid:GoState b2 $w } proc tixGrid:GoState-b2 {w} { } proc tixGrid:GoState-b3 {w} { set ent [$w info anchor] if {$ent != ""} { $w selection clear $w selection set $ent tixGrid:CallBrowseCmd $w $ent } tixGrid:GoState b0 $w } proc tixGrid:GoState-b4 {w x y} { set ent [$w nearest $x $y] if {$ent != ""} { $w anchor set $ent $w selection clear $w selection set $ent tixGrid:CallBrowseCmd $w $ent } } proc tixGrid:GoState-b5 {w} { tixGrid:StartScan $w } proc tixGrid:GoState-b6 {w} { global tkPriv tixGrid:DoScan $w } proc tixGrid:GoState-b7 {w x y} { set ent [$w nearest $x $y] if {$ent != ""} { $w selection clear $w selection set $ent tixGrid:CallCommand $w $ent } tixGrid:GoState b0 $w } proc tixGrid:GoState-b8 {w key} { set anchor [$w info anchor] if {$anchor == ""} { set anchor 0 } else { set anchor [$w info $key $anchor] } $w anchor set $anchor $w selection clear $w selection set $anchor $w see $anchor tixGrid:CallBrowseCmd $w $anchor tixGrid:GoState b0 $w } proc tixGrid:GoState-b9 {w} { set anchor [$w info anchor] if {$anchor == ""} { set anchor 0 $w anchor set $anchor $w see $anchor } if {[$w info anchor] != ""} { # ! may not have any elements # tixGrid:CallCommand $w [$w info anchor] $w selection clear $w selection set $anchor } tixGrid:GoState b0 $w } proc tixGrid:GoState-b10 {w} { set anchor [$w info anchor] if {$anchor == ""} { set anchor 0 $w anchor set $anchor $w see $anchor } if {[$w info anchor] != ""} { # ! may not have any elements # tixGrid:CallBrowseCmd $w [$w info anchor] $w selection clear $w selection set $anchor } tixGrid:GoState b0 $w } #---------------------------------------------------------------------- # MULTIPLE SELECTION #---------------------------------------------------------------------- proc tixGrid:GoState-m0 {w} { } proc tixGrid:GoState-m1 {w x y} { set ent [$w nearest $x $y] if {$ent != ""} { $w anchor set $ent $w selection clear $w selection set $ent tixGrid:CallBrowseCmd $w $ent } tixGrid:GoState m2 $w } proc tixGrid:GoState-m2 {w} { } proc tixGrid:GoState-m3 {w} { set ent [$w info anchor] if {$ent != ""} { tixGrid:CallBrowseCmd $w $ent } tixGrid:GoState m0 $w } proc tixGrid:GoState-m4 {w x y} { set from [$w info anchor] set to [$w nearest $x $y] if {$to != ""} { $w selection clear $w selection set $from $to tixGrid:CallBrowseCmd $w $to } tixGrid:GoState m5 $w } proc tixGrid:GoState-m5 {w} { } proc tixGrid:GoState-m6 {w x y} { set ent [$w nearest $x $y] if {$ent != ""} { tixGrid:CallBrowseCmd $w $ent } tixGrid:GoState m0 $w } proc tixGrid:GoState-m7 {w x y} { set from [$w info anchor] set to [$w nearest $x $y] if {$from == ""} { set from $to $w anchor set $from } if {$to != ""} { $w selection clear $w selection set $from $to tixGrid:CallBrowseCmd $w $to } tixGrid:GoState m5 $w } proc tixGrid:GoState-m8 {w} { tixGrid:StartScan $w } proc tixGrid:GoState-m9 {w} { tixGrid:DoScan $w } proc tixGrid:GoState-xm7 {w x y} { set ent [$w nearest $x $y] if {$ent != ""} { $w selection clear $w selection set $ent tixGrid:CallCommand $w $ent } tixGrid:GoState m0 $w } #---------------------------------------------------------------------- # EXTENDED SELECTION #---------------------------------------------------------------------- proc tixGrid:GoState-e0 {w} { } proc tixGrid:GoState-e1 {w x y} { set ent [$w nearest $x $y] if {$ent != ""} { $w anchor set $ent $w selection clear $w selection set $ent tixGrid:CallBrowseCmd $w $ent } tixGrid:GoState e2 $w } proc tixGrid:GoState-e2 {w} { } proc tixGrid:GoState-e3 {w} { set ent [$w info anchor] if {$ent != ""} { tixGrid:CallBrowseCmd $w $ent } tixGrid:GoState e0 $w } proc tixGrid:GoState-e4 {w x y} { set from [$w info anchor] set to [$w nearest $x $y] if {$to != ""} { $w selection clear $w selection set $from $to tixGrid:CallBrowseCmd $w $to } tixGrid:GoState e5 $w } proc tixGrid:GoState-e5 {w} { } proc tixGrid:GoState-e6 {w x y} { set ent [$w nearest $x $y] if {$ent != ""} { tixGrid:CallBrowseCmd $w $ent } tixGrid:GoState e0 $w } proc tixGrid:GoState-e7 {w x y} { set from [$w info anchor] set to [$w nearest $x $y] if {$from == ""} { set from $to $w anchor set $from } if {$to != ""} { $w selection clear $w selection set $from $to tixGrid:CallBrowseCmd $w $to } tixGrid:GoState e5 $w } proc tixGrid:GoState-e8 {w} { tixGrid:StartScan $w } proc tixGrid:GoState-e9 {w} { tixGrid:DoScan $w } proc tixGrid:GoState-e10 {w x y} { set ent [$w nearest $x $y] if {$ent != ""} { if {[$w info anchor] == ""} { $w anchor set $ent } if {[$w selection includes $ent]} { $w selection clear $ent } else { $w selection set $ent } tixGrid:CallBrowseCmd $w $ent } tixGrid:GoState e2 $w } proc tixGrid:GoState-xm7 {w x y} { set ent [$w nearest $x $y] if {$ent != ""} { $w selection clear $w selection set $ent tixGrid:CallCommand $w $ent } tixGrid:GoState e0 $w } #---------------------------------------------------------------------- # HODGE PODGE #---------------------------------------------------------------------- proc tixGrid:GoState-12 {w x y} { tkCancelRepeat tixGrid:GoState 5 $w $x $y } proc tixGrid:GoState-13 {w ent oldEnt} { global tkPriv set tkPriv(tix,indicator) $ent set tkPriv(tix,oldEnt) $oldEnt tixGrid:IndicatorCmd $w <Arm> $ent } proc tixGrid:GoState-14 {w x y} { global tkPriv if {[tixGrid:InsideArmedIndicator $w $x $y]} { $w anchor set $tkPriv(tix,indicator) $w select clear $w select set $tkPriv(tix,indicator) tixGrid:IndicatorCmd $w <Activate> $tkPriv(tix,indicator) } else { tixGrid:IndicatorCmd $w <Disarm> $tkPriv(tix,indicator) } unset tkPriv(tix,indicator) tixGrid:GoState 0 $w } proc tixGrid:GoState-16 {w ent} { if {$ent == ""} { return } if {[$w cget -selectmode] ne "single"} { tixGrid:Select $w $ent tixGrid:Browse $w $ent } } proc tixGrid:GoState-18 {w} { global tkPriv tkCancelRepeat tixGrid:GoState 6 $w $tkPriv(x) $tkPriv(y) } proc tixGrid:GoState-20 {w x y} { global tkPriv if {![tixGrid:InsideArmedIndicator $w $x $y]} { tixGrid:GoState 21 $w $x $y } else { tixGrid:IndicatorCmd $w <Arm> $tkPriv(tix,indicator) } } proc tixGrid:GoState-21 {w x y} { global tkPriv if {[tixGrid:InsideArmedIndicator $w $x $y]} { tixGrid:GoState 20 $w $x $y } else { tixGrid:IndicatorCmd $w <Disarm> $tkPriv(tix,indicator) } } proc tixGrid:GoState-22 {w} { global tkPriv if {$tkPriv(tix,oldEnt) != ""} { $w anchor set $tkPriv(tix,oldEnt) } else { $w anchor clear } tixGrid:GoState 0 $w } #---------------------------------------------------------------------- # callback actions #---------------------------------------------------------------------- proc tixGrid:SetAnchor {w ent} { if {$ent ne ""} { $w anchor set [lindex $ent 0] [lindex $ent 1] # $w see $ent } } proc tixGrid:Select {w ent} { $w selection clear $w select set $ent } proc tixGrid:StartScan {w} { global tkPriv set tkPriv(afterId) [after 50 tixGrid:AutoScan $w] } proc tixGrid:DoScan {w} { global tkPriv set x $tkPriv(x) set y $tkPriv(y) set X $tkPriv(X) set Y $tkPriv(Y) set out 0 if {$y >= [winfo height $w]} { $w yview scroll 1 units set out 1 } if {$y < 0} { $w yview scroll -1 units set out 1 } if {$x >= [winfo width $w]} { $w xview scroll 2 units set out 1 } if {$x < 0} { $w xview scroll -2 units set out 1 } if {$out} { set tkPriv(afterId) [after 50 tixGrid:AutoScan $w] } } proc tixGrid:CallBrowseCmd {w ent} { return set browsecmd [$w cget -browsecmd] if {$browsecmd != ""} { set bind(specs) {%V} set bind(%V) $ent tixEvalCmdBinding $w $browsecmd bind $ent } } proc tixGrid:CallCommand {w ent} { set command [$w cget -command] if {$command != ""} { set bind(specs) {%V} set bind(%V) $ent tixEvalCmdBinding $w $command bind $ent } } # tixGrid:EditCell -- # # This command is called when "$w edit set $x $y" is called. It causes # an SetEdit call when the grid's state is 0. # proc tixGrid:EditCell {w x y} { set list $w:_list global $list if {[tixGrid:GetState $w] == 0} { tixGrid:SetEdit $w [list $x $y] } else { lappend $list [list tixGrid:SetEdit $w [list $x $y]] } } # tixGrid:EditApply -- # # This command is called when "$w edit apply $x $y" is called. It causes # an CheckEdit call when the grid's state is 0. # proc tixGrid:EditApply {w} { set list $w:_list global $list if {[tixGrid:GetState $w] == 0} { tixGrid:CheckEdit $w } else { lappend $list [list tixGrid:CheckEdit $w] } } # tixGrid:CheckEdit -- # # This procedure is called when the user sets the focus on a cell. # If another cell is being edited, apply the changes of that cell. # proc tixGrid:CheckEdit {w} { set edit $w.tixpriv__edit if {[winfo exists $edit]} { # # If it -command is not empty, it is being used for another cell. # Invoke it so that the other cell can be updated. # if {[$edit cget -command] ne ""} { $edit invoke } } } # tixGrid:SetEdit -- # # Puts a floatentry on top of an editable entry. # proc tixGrid:SetEdit {w ent} { set edit $w.tixpriv__edit tixGrid:CheckEdit $w set editnotifycmd [$w cget -editnotifycmd] if {$editnotifycmd eq ""} { return } set px [lindex $ent 0] set py [lindex $ent 1] if {![uplevel #0 $editnotifycmd $px $py]} { return } if {[$w info exists $px $py]} { if [catch { set oldValue [$w entrycget $px $py -text] }] { # The entry doesn't support -text option. Can't edit it. # # If the application wants to force editing of an entry, it could # delete or replace the entry in the editnotifyCmd procedure. # return } } else { set oldValue "" } set bbox [$w info bbox [lindex $ent 0] [lindex $ent 1]] set x [lindex $bbox 0] set y [lindex $bbox 1] set W [lindex $bbox 2] set H [lindex $bbox 3] if {![winfo exists $edit]} { tixFloatEntry $edit } $edit config -command "tixGrid:DoneEdit $w $ent" $edit post $x $y $W $H $edit config -value $oldValue } proc tixGrid:DoneEdit {w x y args} { set edit $w.tixpriv__edit $edit config -command "" $edit unpost set value [tixEvent value] if {[$w info exists $x $y]} { if [catch { $w entryconfig $x $y -text $value }] { return } } elseif {$value ne ""} { if {[catch { # This needs to be catch'ed because the default itemtype may # not support the -text option # $w set $x $y -text $value }]} { return } } else { return } set editDoneCmd [$w cget -editdonecmd] if {$editDoneCmd ne ""} { uplevel #0 $editDoneCmd $x $y } } proc tixGrid:SetFocus {w} { if {[$w cget -takefocus] && ![string match $w.* [focus -displayof $w]]} { focus $w } }