| 1 | |
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| 2 | # ---------------------------------------------------------------------- |
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| 3 | # COMPONENT: xylegend - X/Y plot legend. |
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| 4 | # |
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| 5 | # This widget is a legend for an X/Y plot, meant to view line graphs produced |
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| 6 | # as output from the run of a Rappture tool. Use the "add" and |
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| 7 | # "delete" methods to control the curves showing on the plot. |
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| 8 | # ====================================================================== |
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| 9 | # AUTHOR: Michael McLennan, Purdue University |
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| 10 | # Copyright (c) 2004-2005 Purdue Research Foundation |
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| 11 | # |
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| 12 | # See the file "license.terms" for information on usage and |
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| 13 | # redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 14 | # ====================================================================== |
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| 15 | package require Itk |
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| 16 | package require BLT |
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| 17 | |
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| 18 | option add *Xylegend.font \ |
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| 19 | -*-helvetica-medium-r-normal-*-8-* widgetDefault |
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| 20 | |
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| 21 | option add *Xylegend.Button.font \ |
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| 22 | -*-helvetica-medium-r-normal-*-9-* widgetDefault |
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| 23 | |
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| 24 | itcl::class ::Rappture::XyLegend { |
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| 25 | inherit itk::Widget |
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| 26 | |
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| 27 | private variable _dispatcher "" ;# dispatcher for !events |
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| 28 | private variable graph_ "" |
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| 29 | private variable tree_ "" |
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| 30 | private variable diff_ "" |
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| 31 | private variable focus_ -1 |
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| 32 | private variable diffelements_ |
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| 33 | |
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| 34 | constructor {args} { graph } |
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| 35 | destructor {} |
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| 36 | |
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| 37 | public method Activate {} |
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| 38 | public method Average {} |
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| 39 | public method Check {} |
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| 40 | public method Deactivate {} |
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| 41 | public method Delete { args } |
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| 42 | public method Difference {} |
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| 43 | public method Editor { option args } |
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| 44 | public method Hide { args } |
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| 45 | public method Lower { args } |
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| 46 | public method Raise { args } |
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| 47 | public method Rename {} |
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| 48 | public method Show { args } |
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| 49 | public method Toggle { args } |
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| 50 | private method GetData { elem what } |
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| 51 | private method Add { elem label {flags ""}} |
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| 52 | private method SelectAll {} |
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| 53 | } |
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| 54 | |
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| 55 | itk::usual XyLegend { |
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| 56 | keep -background -foreground -cursor |
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| 57 | } |
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| 58 | |
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| 59 | itk::usual TreeView { |
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| 60 | keep -background -foreground -cursor |
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| 61 | } |
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| 62 | |
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| 63 | blt::bitmap define dot1 { |
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| 64 | #define dot1_width 8 |
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| 65 | #define dot1_height 8 |
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| 66 | static unsigned char dot1_bits[] = { |
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| 67 | 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa}; |
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| 68 | } |
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| 69 | |
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| 70 | # ---------------------------------------------------------------------- |
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| 71 | # CONSTRUCTOR |
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| 72 | # ---------------------------------------------------------------------- |
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| 73 | itcl::body Rappture::XyLegend::constructor { graph args } { |
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| 74 | option add hull.width hull.height |
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| 75 | itk_component add scrollbars { |
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| 76 | Rappture::Scroller $itk_interior.scrl \ |
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| 77 | -xscrollmode auto -yscrollmode auto |
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| 78 | } |
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| 79 | set tree_ [blt::tree create] |
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| 80 | itk_component add legend { |
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| 81 | blt::treeview $itk_component(scrollbars).legend -linewidth 0 \ |
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| 82 | -bg white -selectmode multiple -width 0 \ |
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| 83 | -highlightthickness 0 \ |
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| 84 | -tree $tree_ \ |
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| 85 | -font "Arial 9" \ |
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| 86 | -flat yes -separator / |
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| 87 | } |
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| 88 | $itk_component(scrollbars) contents $itk_component(legend) |
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| 89 | $itk_component(legend) column insert 0 "show" \ |
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| 90 | -text "" -weight 0.0 -pad 0 -borderwidth 0 |
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| 91 | $itk_component(legend) style checkbox "check" -showvalue no \ |
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| 92 | -onvalue 0 -offvalue 1 \ |
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| 93 | -boxcolor grey50 -checkcolor black -activebackground grey90 |
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| 94 | $itk_component(legend) column configure "treeView" -justify left \ |
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| 95 | -weight 1.0 -text "" -pad 0 -borderwidth 0 |
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| 96 | $itk_component(legend) column configure "show" -style "check" -pad {0 0} \ |
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| 97 | -edit yes |
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| 98 | itk_component add controls { |
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| 99 | frame $itk_component(hull).controls -width 100 -relief sunken -bd 2 |
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| 100 | } |
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| 101 | set controls $itk_component(controls) |
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| 102 | grid $itk_component(controls) -column 0 -row 1 -sticky nsew |
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| 103 | grid rowconfigure $itk_component(hull) 1 -weight 0 |
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| 104 | grid rowconfigure $itk_component(hull) 0 -weight 1 |
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| 105 | grid $itk_component(scrollbars) -column 0 -row 0 -sticky nsew |
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| 106 | set commands { |
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| 107 | hide "" |
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| 108 | show "" |
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| 109 | toggle "" |
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| 110 | raise findup |
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| 111 | lower finddn |
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| 112 | average "" |
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| 113 | difference "" |
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| 114 | delete "" |
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| 115 | rename "" |
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| 116 | } |
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| 117 | foreach { but icon} $commands { |
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| 118 | set title [string totitle $but] |
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| 119 | button $controls.$but -text $title \ |
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| 120 | -relief flat -pady 0 -padx 0 -font "Arial 9" \ |
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| 121 | -command [itcl::code $this $title] -overrelief flat \ |
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| 122 | -activebackground grey90 |
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| 123 | } |
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| 124 | grid $controls.hide -column 0 -row 0 -sticky w |
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| 125 | grid $controls.show -column 0 -row 1 -sticky w |
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| 126 | grid $controls.toggle -column 0 -row 2 -sticky w |
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| 127 | grid $controls.raise -column 0 -row 3 -sticky w |
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| 128 | grid $controls.lower -column 0 -row 4 -sticky w |
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| 129 | grid $controls.difference -column 1 -row 0 -sticky w |
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| 130 | grid $controls.average -column 1 -row 1 -sticky w |
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| 131 | grid $controls.rename -column 1 -row 2 -sticky w |
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| 132 | grid $controls.delete -column 1 -row 3 -sticky w |
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| 133 | |
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| 134 | grid columnconfigure $controls 0 -weight 1 |
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| 135 | grid columnconfigure $controls 1 -weight 1 |
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| 136 | |
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| 137 | set graph_ $graph |
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| 138 | set cmd [itcl::code $this Toggle current] |
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| 139 | $itk_component(legend) bind CheckBoxStyle <ButtonRelease-1> \ |
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| 140 | [itcl::code [subst -nocommands { |
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| 141 | if { [%W edit -root -test %X %Y] } { |
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| 142 | %W edit -root %X %Y |
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| 143 | $this Toggle [%W nearest -root %X %Y] |
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| 144 | break |
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| 145 | } |
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| 146 | }]] |
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| 147 | bind $itk_component(legend) <Enter> { focus %W } |
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| 148 | $itk_component(legend) bind Entry <Control-KeyRelease-a> \ |
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| 149 | [itcl::code $this SelectAll] |
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| 150 | $itk_component(legend) bind Entry <KeyRelease-Return> \ |
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| 151 | +[itcl::code $this Toggle focus] |
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| 152 | $itk_component(legend) bind Entry <Escape> \ |
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| 153 | "$itk_component(legend) selection clearall" |
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| 154 | $itk_component(legend) configure -selectcommand \ |
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| 155 | [itcl::code $this Check] |
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| 156 | |
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| 157 | itk_component add editor { |
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| 158 | Rappture::Editor $itk_interior.editor \ |
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| 159 | -activatecommand [itcl::code $this Editor activate] \ |
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| 160 | -validatecommand [itcl::code $this Editor validate] \ |
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| 161 | -applycommand [itcl::code $this Editor apply] |
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| 162 | } |
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| 163 | Check |
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| 164 | eval itk_initialize $args |
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| 165 | } |
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| 166 | |
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| 167 | # ---------------------------------------------------------------------- |
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| 168 | # DESTRUCTOR |
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| 169 | # ---------------------------------------------------------------------- |
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| 170 | itcl::body Rappture::XyLegend::destructor {} { |
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| 171 | Deactivate |
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| 172 | } |
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| 173 | |
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| 174 | itcl::body Rappture::XyLegend::Add { elem label {flags ""} } { |
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| 175 | set hide [$graph_ element cget $elem -hide] |
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| 176 | set im [image create photo] |
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| 177 | $graph_ legend icon $elem $im |
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| 178 | set data(show) $hide |
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| 179 | set data(delete) [expr { $flags == "-delete" }] |
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| 180 | set node [$tree_ insert root -at 0 -label $elem -data [array get data]] |
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| 181 | $itk_component(legend) entry configure $node -label $label -icon $im \ |
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| 182 | -activeicon $im |
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| 183 | return $node |
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| 184 | } |
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| 185 | |
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| 186 | # ---------------------------------------------------------------------- |
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| 187 | # USAGE: activate <curve> ?<settings>? |
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| 188 | # |
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| 189 | # Clients use this to add a curve to the plot. The optional <settings> |
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| 190 | # are used to configure the plot. Allowed settings are -color, |
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| 191 | # -brightness, -width, -linestyle and -raise. |
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| 192 | # ---------------------------------------------------------------------- |
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| 193 | itcl::body Rappture::XyLegend::Activate {} { |
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| 194 | foreach elem [$graph_ element show] { |
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| 195 | set label [$graph_ element cget $elem -label] |
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| 196 | if { $label == "" } { |
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| 197 | continue |
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| 198 | } |
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| 199 | Add $elem $label |
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| 200 | } |
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| 201 | $itk_component(legend) open -recurse root |
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| 202 | } |
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| 203 | |
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| 204 | itcl::body Rappture::XyLegend::Deactivate {} { |
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| 205 | foreach node [$tree_ children root] { |
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| 206 | $tree_ delete $node |
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| 207 | } |
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| 208 | } |
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| 209 | |
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| 210 | itcl::body Rappture::XyLegend::Hide { args } { |
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| 211 | if { $args == "" } { |
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| 212 | set nodes [$itk_component(legend) curselection] |
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| 213 | } else { |
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| 214 | set nodes $args |
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| 215 | } |
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| 216 | foreach node $nodes { |
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| 217 | set elem [$tree_ label $node] |
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| 218 | if { ![$graph_ element exists $elem] } { |
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| 219 | continue |
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| 220 | } |
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| 221 | $graph_ element configure $elem -hide yes |
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| 222 | $tree_ set $node "show" 1 |
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| 223 | } |
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| 224 | } |
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| 225 | |
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| 226 | itcl::body Rappture::XyLegend::Show { args } { |
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| 227 | if { $args == "" } { |
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| 228 | set nodes [$itk_component(legend) curselection] |
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| 229 | } else { |
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| 230 | set nodes $args |
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| 231 | } |
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| 232 | foreach node $nodes { |
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| 233 | set elem [$tree_ label $node] |
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| 234 | if { ![$graph_ element exists $elem] } { |
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| 235 | continue |
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| 236 | } |
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| 237 | $graph_ element configure $elem -hide no |
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| 238 | $tree_ set $node "show" 0 |
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| 239 | } |
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| 240 | } |
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| 241 | |
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| 242 | itcl::body Rappture::XyLegend::Toggle { args } { |
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| 243 | if { $args == "" } { |
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| 244 | set nodes [$itk_component(legend) curselection] |
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| 245 | } else { |
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| 246 | set nodes $args |
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| 247 | } |
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| 248 | foreach node $nodes { |
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| 249 | set node [$itk_component(legend) index $node] |
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| 250 | set elem [$tree_ label $node] |
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| 251 | if { ![$graph_ element exists $elem] } { |
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| 252 | continue |
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| 253 | } |
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| 254 | set hide [$graph_ element cget $elem -hide] |
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| 255 | set hide [expr $hide==0] |
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| 256 | $tree_ set $node "show" $hide |
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| 257 | $graph_ element configure $elem -hide $hide |
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| 258 | } |
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| 259 | } |
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| 260 | |
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| 261 | itcl::body Rappture::XyLegend::Raise { args } { |
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| 262 | if { $args == "" } { |
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| 263 | set nodes [$itk_component(legend) curselection] |
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| 264 | } else { |
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| 265 | set nodes $args |
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| 266 | } |
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| 267 | set elements {} |
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| 268 | foreach node $nodes { |
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| 269 | set elem [$tree_ label $node] |
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| 270 | set found($elem) 1 |
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| 271 | set elements [linsert $elements 0 $elem] |
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| 272 | } |
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| 273 | foreach elem $elements { |
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| 274 | $tree_ move [$tree_ index $elem] 0 -at 0 |
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| 275 | } |
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| 276 | set list {} |
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| 277 | foreach elem [$graph_ element show] { |
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| 278 | if { [info exists found($elem)] } { |
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| 279 | continue |
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| 280 | } |
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| 281 | lappend list $elem |
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| 282 | } |
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| 283 | $graph_ element show [concat $list $elements] |
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| 284 | } |
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| 285 | |
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| 286 | itcl::body Rappture::XyLegend::Lower { args } { |
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| 287 | if { $args == "" } { |
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| 288 | set nodes [$itk_component(legend) curselection] |
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| 289 | } else { |
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| 290 | set nodes $args |
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| 291 | } |
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| 292 | set elements {} |
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| 293 | foreach node $nodes { |
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| 294 | set elem [$tree_ label $node] |
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| 295 | set found($elem) 1 |
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| 296 | set elements [linsert $elements 0 $elem] |
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| 297 | } |
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| 298 | set pos [$tree_ degree 0] |
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| 299 | |
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| 300 | foreach elem $elements { |
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| 301 | incr pos -1 |
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| 302 | $tree_ move [$tree_ index $elem] 0 -at $pos |
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| 303 | } |
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| 304 | |
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| 305 | set list {} |
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| 306 | foreach elem [$graph_ element show] { |
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| 307 | if { [info exists found($elem)] } { |
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| 308 | continue |
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| 309 | } |
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| 310 | lappend list $elem |
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| 311 | } |
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| 312 | $graph_ element show [concat $elements $list] |
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| 313 | } |
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| 314 | |
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| 315 | itcl::body Rappture::XyLegend::Delete { args } { |
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| 316 | if { $args == "" } { |
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| 317 | set nodes [$itk_component(legend) curselection] |
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| 318 | } else { |
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| 319 | set nodes $args |
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| 320 | } |
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| 321 | set elements {} |
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| 322 | set delnodes {} |
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| 323 | foreach node $nodes { |
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| 324 | if { ![$tree_ get $node "delete" 0] } { |
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| 325 | continue |
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| 326 | } |
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| 327 | set elem [$tree_ label $node] |
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| 328 | lappend elements $elem |
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| 329 | lappend delnodes $node |
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| 330 | if { $diff_ != "" && [info exists diffelements_($elem)] } { |
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| 331 | $graph_ element delete $diff_ |
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| 332 | array unset diffelements_ |
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| 333 | set diff_ "" |
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| 334 | } |
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| 335 | } |
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| 336 | if { [llength $delnodes] > 0 } { |
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| 337 | eval $tree_ delete $delnodes |
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| 338 | } |
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| 339 | $itk_component(legend) selection clearall |
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| 340 | eval $graph_ element delete $elements |
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| 341 | } |
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| 342 | |
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| 343 | itcl::body Rappture::XyLegend::Check {} { |
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| 344 | set nodes [$itk_component(legend) curselection] |
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| 345 | foreach n { hide show toggle raise lower |
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| 346 | rename average difference delete } { |
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| 347 | $itk_component(controls).$n configure -state disabled |
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| 348 | } |
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| 349 | foreach node $nodes { |
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| 350 | if { [$tree_ get $node "delete" 0] } { |
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| 351 | $itk_component(controls).delete configure -state normal |
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| 352 | break |
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| 353 | } |
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| 354 | } |
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| 355 | if { [$itk_component(legend) index focus] != -1 } { |
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| 356 | $itk_component(controls).rename configure -state normal |
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| 357 | } |
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| 358 | if { [$tree_ degree 0] > 1 && [llength $nodes] > 0 } { |
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| 359 | foreach n { raise lower } { |
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| 360 | $itk_component(controls).$n configure -state normal |
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| 361 | } |
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| 362 | } |
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| 363 | switch -- [llength $nodes] { |
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| 364 | 0 { |
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| 365 | } |
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| 366 | 1 { |
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| 367 | foreach n { hide show toggle } { |
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| 368 | $itk_component(controls).$n configure -state normal |
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| 369 | } |
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| 370 | } |
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| 371 | 2 { |
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| 372 | foreach n { hide show toggle difference } { |
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| 373 | $itk_component(controls).$n configure -state normal |
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| 374 | } |
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| 375 | } |
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| 376 | default { |
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| 377 | foreach n { hide show toggle } { |
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| 378 | $itk_component(controls).$n configure -state normal |
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| 379 | } |
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| 380 | } |
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| 381 | } |
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| 382 | } |
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| 383 | |
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| 384 | itcl::body Rappture::XyLegend::GetData { elem what } { |
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| 385 | set y [$graph_ element cget $elem $what] |
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| 386 | if { [blt::vector names $y] == $y } { |
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| 387 | set y [$y range 0 end] |
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| 388 | } |
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| 389 | return $y |
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| 390 | } |
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| 391 | |
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| 392 | itcl::body Rappture::XyLegend::Average {} { |
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| 393 | set nodes [$itk_component(legend) curselection] |
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| 394 | if { $nodes == "" } { |
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| 395 | return |
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| 396 | } |
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| 397 | set elements {} |
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| 398 | set sum [blt::vector create \#auto -command ""] |
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| 399 | |
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| 400 | set xcoords [blt::vector create \#auto -command ""] |
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| 401 | set ycoords [blt::vector create \#auto -command ""] |
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| 402 | |
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| 403 | # Step 1. Get the x-values for each curve, then sort them to get the |
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| 404 | # unique values. |
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| 405 | |
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| 406 | foreach node $nodes { |
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| 407 | set elem [$tree_ label $node] |
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| 408 | $xcoords append [GetData $elem -x] |
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| 409 | set elements [linsert $elements 0 $elem] |
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| 410 | } |
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| 411 | # Sort the abscissas keeping unique values. |
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| 412 | $xcoords sort -uniq |
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| 413 | |
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| 414 | # Step 2. Now for each curve, generate a cubic spline of that curve |
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| 415 | # and interpolate to get the corresponding y-values for each |
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| 416 | # abscissa. Normally the abscissa are the same, so we're |
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| 417 | # interpolation the knots. |
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| 418 | |
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| 419 | set x [blt::vector create \#auto -command ""] |
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| 420 | set y [blt::vector create \#auto -command ""] |
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| 421 | $sum length [$xcoords length] |
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| 422 | |
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| 423 | foreach node $nodes { |
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| 424 | set elem [$tree_ label $node] |
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| 425 | $x set [GetData $elem -x] |
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| 426 | $y set [GetData $elem -y] |
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| 427 | blt::spline natural $x $y $xcoords $ycoords |
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| 428 | |
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| 429 | # Sum the interpolated y-coordinate values. |
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| 430 | $sum expr "$sum + $ycoords" |
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| 431 | } |
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| 432 | blt::vector destroy $x $y |
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| 433 | |
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| 434 | # Get the average |
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| 435 | $sum expr "$sum / [llength $elements]" |
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| 436 | |
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| 437 | # Step 3. Create a new curve which is the average. Append it to the |
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| 438 | # the end. |
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| 439 | |
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| 440 | set count 0 |
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| 441 | while {[$graph_ element exists avg$count] } { |
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| 442 | incr count |
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| 443 | } |
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| 444 | set elements [lsort -dictionary $elements] |
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| 445 | set name "avg$count" |
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| 446 | set label "Avg. [join $elements ,]" |
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| 447 | |
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| 448 | # Don't use the vector because we don't know when it will be cleaned up. |
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| 449 | |
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| 450 | $graph_ element create $name -label $label -x [$xcoords range 0 end]\ |
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| 451 | -y [$sum range 0 end] -symbol scross |
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| 452 | blt::vector destroy $xcoords $ycoords $sum |
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| 453 | set node [Add $name $label -delete] |
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| 454 | Raise $node |
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| 455 | } |
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| 456 | |
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| 457 | itcl::body Rappture::XyLegend::Difference {} { |
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| 458 | set nodes [$itk_component(legend) curselection] |
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| 459 | set elements {} |
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| 460 | set sum [blt::vector create \#auto -command ""] |
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| 461 | |
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| 462 | set xcoords [blt::vector create \#auto -command ""] |
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| 463 | set ycoords [blt::vector create \#auto -command ""] |
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| 464 | |
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| 465 | # Step 1. Get the x-values for each curve, then sort them to get the |
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| 466 | # unique values. |
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| 467 | |
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| 468 | foreach node $nodes { |
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| 469 | set elem [$tree_ label $node] |
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| 470 | $xcoords append [GetData $elem -x] |
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| 471 | set elements [linsert $elements 0 $elem] |
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| 472 | } |
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| 473 | # Sort the abscissas keeping unique values. |
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| 474 | $xcoords sort -uniq |
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| 475 | |
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| 476 | # Step 2. Now for each curve, generate a cubic spline of that curve |
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| 477 | # and interpolate to get the corresponding y-values for each |
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| 478 | # abscissa. Normally the abscissa are the same, so we're |
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| 479 | # interpolation the knots. |
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| 480 | |
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| 481 | set x [blt::vector create \#auto -command ""] |
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| 482 | set y [blt::vector create \#auto -command ""] |
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| 483 | $sum length [$xcoords length] |
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| 484 | |
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| 485 | foreach node $nodes { |
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| 486 | set elem [$tree_ label $node] |
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| 487 | $x set [GetData $elem -x] |
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| 488 | $y set [GetData $elem -y] |
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| 489 | blt::spline natural $x $y $xcoords $ycoords |
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| 490 | |
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| 491 | # Sum the interpolated y-coordinate values. |
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| 492 | $sum expr "fabs($ycoords - $sum)" |
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| 493 | } |
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| 494 | blt::vector destroy $x $y |
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| 495 | |
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| 496 | # Get the average |
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| 497 | #$sum expr "$sum / [llength $elements]" |
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| 498 | |
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| 499 | # Step 3. Create a new curve which is the average. Append it to the |
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| 500 | # the end. |
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| 501 | |
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| 502 | set count 0 |
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| 503 | while {[$graph_ element exists diff$count] } { |
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| 504 | incr count |
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| 505 | } |
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| 506 | set elements [lsort -dictionary $elements] |
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| 507 | set name "diff$count" |
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| 508 | set label "Diff. [join $elements ,]" |
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| 509 | |
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| 510 | # Don't use the vector because we don't know when it will be cleaned up. |
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| 511 | |
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| 512 | $graph_ element create $name -label $label -x [$xcoords range 0 end] \ |
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| 513 | -y [$sum range 0 end] |
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| 514 | blt::vector destroy $xcoords $ycoords $sum |
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| 515 | set node [Add $name $label] |
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| 516 | Raise $node |
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| 517 | } |
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| 518 | |
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| 519 | itcl::body Rappture::XyLegend::Difference {} { |
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| 520 | |
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| 521 | if { $diff_ != "" } { |
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| 522 | $graph_ marker delete $diff_ |
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| 523 | set diff_ "" |
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| 524 | } |
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| 525 | set nodes [$itk_component(legend) curselection] |
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| 526 | set elem1 [$tree_ label [lindex $nodes 0]] |
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| 527 | set elem2 [$tree_ label [lindex $nodes 1]] |
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| 528 | if { [info exists diffelements_($elem1)] && |
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| 529 | [info exists diffelements_($elem2)] } { |
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| 530 | array unset diffelements_ |
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| 531 | return |
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| 532 | } |
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| 533 | array unset diffelements_ |
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| 534 | set x [blt::vector create \#auto -command ""] |
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| 535 | set y [blt::vector create \#auto -command ""] |
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| 536 | set m [blt::vector create \#auto -command ""] |
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| 537 | |
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| 538 | $x append [GetData $elem1 -x] |
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| 539 | $y append [GetData $elem1 -y] |
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| 540 | $x sort -reverse $y |
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| 541 | $x append [GetData $elem2 -x] |
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| 542 | $y append [GetData $elem2 -y] |
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| 543 | $m merge $x $y |
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| 544 | set diff_ [$graph_ marker create polygon \ |
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| 545 | -coords [$m range 0 end] \ |
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| 546 | -elem $elem1 \ |
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| 547 | -stipple dot1 \ |
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| 548 | -outline "" -fill blue4 ] |
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| 549 | blt::vector destroy $m $x $y |
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| 550 | set diffelements_($elem1) 1 |
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| 551 | set diffelements_($elem2) 1 |
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| 552 | } |
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| 553 | |
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| 554 | |
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| 555 | itcl::body Rappture::XyLegend::SelectAll { } { |
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| 556 | foreach node [$tree_ children 0] { |
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| 557 | $itk_component(legend) selection set $node |
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| 558 | } |
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| 559 | } |
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| 560 | |
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| 561 | itcl::body Rappture::XyLegend::Rename {} { |
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| 562 | Editor popup |
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| 563 | } |
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| 564 | |
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| 565 | # ---------------------------------------------------------------------- |
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| 566 | # USAGE: Editor popup |
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| 567 | # USAGE: Editor activate |
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| 568 | # USAGE: Editor validate <value> |
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| 569 | # USAGE: Editor apply <value> |
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| 570 | # USAGE: Editor menu <rootx> <rooty> |
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| 571 | # |
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| 572 | # Used internally to handle the various functions of the pop-up |
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| 573 | # editor for the value of this gauge. |
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| 574 | # ---------------------------------------------------------------------- |
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| 575 | itcl::body Rappture::XyLegend::Editor {option args} { |
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| 576 | switch -- $option { |
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| 577 | popup { |
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| 578 | $itk_component(editor) activate |
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| 579 | } |
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| 580 | activate { |
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| 581 | set focus_ [$itk_component(legend) index focus] |
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| 582 | if { $focus_ == -1 } { |
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| 583 | return; |
|---|
| 584 | } |
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| 585 | set label [$itk_component(legend) entry cget $focus_ -label] |
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| 586 | foreach { l r t b } [$itk_component(legend) bbox $focus_] break |
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| 587 | set info(text) $label |
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| 588 | set info(x) [expr $l + [winfo rootx $itk_component(legend)]] |
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| 589 | set info(y) [expr $r + [winfo rooty $itk_component(legend)]] |
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| 590 | set info(w) [expr $r - $l] |
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| 591 | set info(h) [expr $b - $t] |
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| 592 | return [array get info] |
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| 593 | } |
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| 594 | validate { |
|---|
| 595 | if {[llength $args] != 1} { |
|---|
| 596 | error "wrong # args: should be \"editor validate value\"" |
|---|
| 597 | } |
|---|
| 598 | } |
|---|
| 599 | apply { |
|---|
| 600 | if {[llength $args] != 1} { |
|---|
| 601 | error "wrong # args: should be \"editor apply value\"" |
|---|
| 602 | } |
|---|
| 603 | set label [lindex $args 0] |
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| 604 | $itk_component(legend) entry configure $focus_ -label $label |
|---|
| 605 | } |
|---|
| 606 | menu { |
|---|
| 607 | eval tk_popup $itk_component(emenu) $args |
|---|
| 608 | } |
|---|
| 609 | default { |
|---|
| 610 | error "bad option \"$option\": should be popup, activate, validate, apply, and menu" |
|---|
| 611 | } |
|---|
| 612 | } |
|---|
| 613 | } |
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