[3330] | 1 | # -*- mode: tcl; indent-tabs-mode: nil -*- |
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[1916] | 2 | # ---------------------------------------------------------------------- |
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| 3 | # COMPONENT: videoparticle - mark a particle on a video frame |
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| 4 | # |
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| 5 | # ====================================================================== |
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| 6 | # AUTHOR: Derrick Kearney, Purdue University |
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[3177] | 7 | # Copyright (c) 2004-2012 HUBzero Foundation, LLC |
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[1916] | 8 | # |
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| 9 | # See the file "license.terms" for information on usage and redistribution of |
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| 10 | # this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 11 | # ====================================================================== |
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| 12 | package require Itk |
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| 13 | package require BLT |
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| 14 | package require Img |
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| 15 | package require Rappture |
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| 16 | package require RapptureGUI |
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| 17 | |
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| 18 | itcl::class Rappture::VideoParticle { |
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| 19 | inherit itk::Widget |
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| 20 | |
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| 21 | itk_option define -halo halo Halo "10" |
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| 22 | itk_option define -color color Color "green" |
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| 23 | itk_option define -fncallback fncallback Fncallback "" |
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[1979] | 24 | itk_option define -bindentercb bindentercb Bindentercb "" |
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| 25 | itk_option define -bindleavecb bindleavecb Bindleavecb "" |
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[1916] | 26 | itk_option define -trajcallback trajcallback Trajcallback "" |
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[1979] | 27 | itk_option define -px2dist px2dist Px2dist "" |
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| 28 | itk_option define -units units Units "m/s" |
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| 29 | itk_option define -bindings bindings Bindings "enable" |
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[2025] | 30 | itk_option define -ondelete ondelete Ondelete "" |
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| 31 | itk_option define -onframe onframe Onframe "" |
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| 32 | itk_option define -framerange framerange Framerange "" |
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[1916] | 33 | |
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[1979] | 34 | constructor { name win args } { |
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[1916] | 35 | # defined below |
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| 36 | } |
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| 37 | destructor { |
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| 38 | # defined below |
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| 39 | } |
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| 40 | |
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| 41 | public method Show {args} |
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| 42 | public method Hide {args} |
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| 43 | public method Link {args} |
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[1979] | 44 | public method Coords {args} |
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| 45 | public method Frame {args} |
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| 46 | public method drawVectors {} |
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| 47 | public method next {args} |
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| 48 | public method prev {args} |
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| 49 | public method name {} |
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[1916] | 50 | |
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| 51 | public variable fncallback "" ;# framenumber callback - tells what frame we are on |
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[1979] | 52 | public variable bindentercb "" ;# enter binding callback - call this when entering the object |
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| 53 | public variable bindleavecb "" ;# leave binding callback - call this when leaving the object |
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[1916] | 54 | public variable trajcallback "" ;# trajectory callback - calculates and draws trajectory |
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| 55 | |
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| 56 | public method Move {status x y} |
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| 57 | public method Menu {args} |
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| 58 | |
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[1979] | 59 | protected method Enter {} |
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| 60 | protected method Leave {} |
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| 61 | protected method CatchEvent {event} |
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[1916] | 62 | |
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[1979] | 63 | protected method _fixValue {args} |
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| 64 | protected method _fixPx2Dist {px2dist} |
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| 65 | protected method _fixBindings {status} |
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| 66 | |
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[1916] | 67 | private variable _canvas "" ;# canvas which owns the particle |
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| 68 | private variable _name "" ;# id of the particle |
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| 69 | private variable _color "" ;# color of the particle |
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[1979] | 70 | private variable _frame 0 ;# frame number where this object lives |
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| 71 | private variable _coords "" ;# list of coords where the object lives |
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[1916] | 72 | private variable _halo 0 ;# about the diameter of the particle |
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[1979] | 73 | private variable _x 0 ;# x coord when "pressed" for motion |
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| 74 | private variable _y 0 ;# y coord when "pressed" for motion |
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[1916] | 75 | private variable _nextnode "" ;# particle this particle points to |
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| 76 | private variable _prevnode "" ;# particle this particle is pointed to by |
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| 77 | private variable _link "" ;# tag of vector linking this and nextnode |
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[1979] | 78 | private variable _units "" ;# |
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| 79 | private variable _px2dist "" ;# variable associated with -px2dist |
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[1916] | 80 | } |
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| 81 | |
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| 82 | itk::usual VideoParticle { |
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| 83 | keep -background -foreground -cursor -font |
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| 84 | keep -plotbackground -plotforeground |
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| 85 | } |
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| 86 | |
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| 87 | # ---------------------------------------------------------------------- |
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| 88 | # CONSTRUCTOR |
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| 89 | # ---------------------------------------------------------------------- |
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[1979] | 90 | itcl::body Rappture::VideoParticle::constructor {name win args} { |
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[1916] | 91 | |
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[1979] | 92 | set _name $name |
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| 93 | set _canvas $win |
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| 94 | |
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[1916] | 95 | # setup the particle control menu |
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[2025] | 96 | itk_component add menu { |
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| 97 | Rappture::Balloon $itk_interior.particlecontrols -title "Particle Controls" |
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| 98 | } |
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[1916] | 99 | |
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[2025] | 100 | set controls [$itk_component(menu) component inner] |
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[1916] | 101 | |
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[2025] | 102 | # Frame number control |
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| 103 | label $controls.framenuml -text "Frame" -font "Arial 9"\ |
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| 104 | -highlightthickness 0 |
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| 105 | Rappture::Spinint $controls.framenume \ |
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| 106 | -min 0 -width 5 -font "arial 9" |
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| 107 | |
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[1916] | 108 | # Delete control |
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[2025] | 109 | label $controls.deletel -text "Delete" -font "Arial 9" \ |
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| 110 | -highlightthickness 0 |
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| 111 | Rappture::Switch $controls.deleteb -showtext "false" |
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| 112 | $controls.deleteb value false |
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| 113 | |
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| 114 | # Save button |
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| 115 | button $controls.saveb -text Save \ |
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| 116 | -relief raised -pady 0 -padx 0 -font "Arial 9" \ |
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| 117 | -command [itcl::code $this Menu deactivate save] \ |
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[1916] | 118 | -activebackground grey90 |
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| 119 | |
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[2025] | 120 | # Cancel button |
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| 121 | button $controls.cancelb -text Cancel \ |
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| 122 | -relief raised -pady 0 -padx 0 -font "Arial 9" \ |
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| 123 | -command [itcl::code $this Menu deactivate cancel] \ |
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| 124 | -activebackground grey90 |
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[1916] | 125 | |
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| 126 | |
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[2025] | 127 | grid $controls.framenuml -column 0 -row 0 -sticky e |
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| 128 | grid $controls.framenume -column 1 -row 0 -sticky w |
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| 129 | grid $controls.deletel -column 0 -row 1 -sticky e |
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| 130 | grid $controls.deleteb -column 1 -row 1 -sticky w |
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| 131 | grid $controls.saveb -column 0 -row 2 -sticky e |
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| 132 | grid $controls.cancelb -column 1 -row 2 -sticky w |
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| 133 | |
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| 134 | |
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| 135 | grid columnconfigure $controls 0 -weight 1 |
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| 136 | |
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[1916] | 137 | # finish configuring the particle |
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| 138 | eval itk_initialize $args |
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[1979] | 139 | |
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[2025] | 140 | # set the frame for the particle |
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| 141 | Frame [uplevel \#0 $fncallback] |
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[1979] | 142 | bind ${_name}-FrameEvent <<Frame>> [itcl::code $this CatchEvent Frame] |
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[1916] | 143 | } |
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| 144 | |
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| 145 | # ---------------------------------------------------------------------- |
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| 146 | # DESTRUCTOR |
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| 147 | # ---------------------------------------------------------------------- |
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| 148 | itcl::body Rappture::VideoParticle::destructor {} { |
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[1979] | 149 | configure -px2dist "" ;# remove variable trace |
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[1916] | 150 | |
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[1979] | 151 | Hide object |
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[1916] | 152 | |
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| 153 | # delete the vectors originating from this particle |
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| 154 | if {[string compare "" ${_nextnode}] != 0} { |
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| 155 | ${_canvas} delete ${_link} |
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| 156 | ${_nextnode} prev ${_prevnode} |
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| 157 | } |
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| 158 | |
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| 159 | # delete the vectors pointing to this particle |
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| 160 | if {[string compare "" ${_prevnode}] != 0} { |
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| 161 | ${_prevnode} next ${_nextnode} |
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| 162 | ${_prevnode} drawVectors |
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| 163 | } |
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[2025] | 164 | |
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| 165 | _fixBindings disable |
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| 166 | |
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| 167 | if {"" != $itk_option(-ondelete)} { |
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| 168 | uplevel \#0 $itk_option(-ondelete) |
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| 169 | } |
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[1916] | 170 | } |
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| 171 | |
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| 172 | # ---------------------------------------------------------------------- |
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[1979] | 173 | # Enter - bindings if the mouse enters the object's space |
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| 174 | # ---------------------------------------------------------------------- |
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| 175 | itcl::body Rappture::VideoParticle::Enter {} { |
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| 176 | uplevel \#0 $bindentercb |
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| 177 | } |
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| 178 | |
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| 179 | |
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| 180 | # ---------------------------------------------------------------------- |
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| 181 | # Leave - bindings if the mouse leaves the object's space |
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| 182 | # ---------------------------------------------------------------------- |
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| 183 | itcl::body Rappture::VideoParticle::Leave {} { |
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| 184 | uplevel \#0 $bindleavecb |
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| 185 | } |
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| 186 | |
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| 187 | |
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| 188 | # ---------------------------------------------------------------------- |
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| 189 | # CatchEvent - bindings for caught events |
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| 190 | # ---------------------------------------------------------------------- |
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| 191 | itcl::body Rappture::VideoParticle::CatchEvent {event} { |
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| 192 | switch -- $event { |
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| 193 | "Frame" { |
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| 194 | if {[uplevel \#0 $fncallback] == ${_frame}} { |
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| 195 | ${_canvas} itemconfigure ${_name}-particle -fill red |
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| 196 | } else { |
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| 197 | ${_canvas} itemconfigure ${_name}-particle -fill ${_color} |
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| 198 | } |
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| 199 | } |
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| 200 | default { |
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| 201 | error "bad event \"$event\": should be one of Frame." |
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| 202 | } |
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| 203 | |
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| 204 | } |
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| 205 | } |
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| 206 | |
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| 207 | |
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| 208 | # ---------------------------------------------------------------------- |
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[1916] | 209 | # Show - draw the particle |
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| 210 | # particle - draw the particle on the canvas |
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| 211 | # name - popup a ballon with the name of this object |
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| 212 | # ---------------------------------------------------------------------- |
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| 213 | itcl::body Rappture::VideoParticle::Show {args} { |
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| 214 | set option [lindex $args 0] |
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| 215 | switch -- $option { |
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[1979] | 216 | "object" { |
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| 217 | foreach {x y} ${_coords} break |
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[1916] | 218 | set coords [list [expr $x-${_halo}] [expr $y-${_halo}] \ |
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| 219 | [expr $x+${_halo}] [expr $y+${_halo}]] |
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| 220 | ${_canvas} create oval $coords \ |
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| 221 | -fill ${_color} \ |
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| 222 | -width 0 \ |
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[1979] | 223 | -tags "particle ${_name} ${_name}-particle" |
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[1916] | 224 | } |
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[1979] | 225 | "name" { |
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[1916] | 226 | |
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| 227 | } |
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| 228 | default { |
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[1979] | 229 | error "bad option \"$option\": should be one of object, name." |
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[1916] | 230 | } |
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| 231 | } |
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| 232 | } |
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| 233 | |
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| 234 | # ---------------------------------------------------------------------- |
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| 235 | # Hide |
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| 236 | # particle - remove the particle from where it is drawn |
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| 237 | # name - remove the popup with the name |
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| 238 | # ---------------------------------------------------------------------- |
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| 239 | itcl::body Rappture::VideoParticle::Hide {args} { |
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| 240 | set option [lindex $args 0] |
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| 241 | switch -- $option { |
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[1979] | 242 | "object" { |
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[1916] | 243 | if {[llength $args] != 1} { |
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| 244 | error "wrong # args: should be \"particle\"" |
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| 245 | } |
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| 246 | ${_canvas} delete "${_name}" |
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| 247 | } |
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[1979] | 248 | "name" { |
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[1916] | 249 | |
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| 250 | } |
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| 251 | default { |
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[1979] | 252 | error "bad option \"$option\": should be one of object, name." |
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[1916] | 253 | } |
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| 254 | } |
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| 255 | } |
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| 256 | |
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| 257 | # ---------------------------------------------------------------------- |
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[1979] | 258 | # Move - move the object to a new location |
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[1916] | 259 | # ---------------------------------------------------------------------- |
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| 260 | itcl::body Rappture::VideoParticle::Move {status x y} { |
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| 261 | switch -- $status { |
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| 262 | "press" { |
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[1979] | 263 | set _x $x |
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| 264 | set _y $y |
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[1916] | 265 | } |
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| 266 | "motion" { |
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[1979] | 267 | ${_canvas} move ${_name} [expr $x-${_x}] [expr $y-${_y}] |
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| 268 | foreach {x0 y0 x1 y1} [${_canvas} coords ${_name}-particle] break |
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| 269 | set _coords [list [expr $x0+${_halo}] [expr $y0+${_halo}]] |
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| 270 | set _x $x |
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| 271 | set _y $y |
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| 272 | drawVectors |
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| 273 | if {[string compare "" ${_prevnode}] != 0} { |
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| 274 | ${_prevnode} drawVectors |
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| 275 | } |
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[1916] | 276 | } |
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| 277 | "release" { |
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| 278 | } |
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| 279 | default { |
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| 280 | error "bad option \"$option\": should be one of press, motion, release." |
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| 281 | } |
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| 282 | } |
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| 283 | } |
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| 284 | |
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| 285 | # ---------------------------------------------------------------------- |
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| 286 | # Menu - popup a menu with the particle controls |
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| 287 | # create |
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| 288 | # activate x y |
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[2025] | 289 | # deactivate status |
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[1916] | 290 | # ---------------------------------------------------------------------- |
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| 291 | itcl::body Rappture::VideoParticle::Menu {args} { |
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| 292 | set option [lindex $args 0] |
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| 293 | switch -- $option { |
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| 294 | "activate" { |
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| 295 | if {[llength $args] != 3} { |
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| 296 | error "wrong # args: should be \"activate <x> <y>\"" |
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| 297 | } |
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| 298 | foreach {x y} [lrange $args 1 end] break |
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| 299 | set dir "left" |
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| 300 | set x0 [winfo rootx ${_canvas}] |
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| 301 | set y0 [winfo rooty ${_canvas}] |
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| 302 | set w0 [winfo width ${_canvas}] |
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| 303 | set h0 [winfo height ${_canvas}] |
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| 304 | set x [expr $x0+$x] |
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| 305 | set y [expr $y0+$y] |
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[2025] | 306 | $itk_component(menu) activate @$x,$y $dir |
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| 307 | |
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| 308 | # update the values in the menu |
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| 309 | set controls [$itk_component(menu) component inner] |
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| 310 | $controls.framenume value ${_frame} |
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| 311 | $controls.deleteb value false |
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[1916] | 312 | } |
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| 313 | "deactivate" { |
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[2025] | 314 | $itk_component(menu) deactivate |
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| 315 | if {[llength $args] != 2} { |
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| 316 | error "wrong # args: should be \"deactivate <status>\"" |
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| 317 | } |
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| 318 | set status [lindex $args 1] |
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| 319 | switch -- $status { |
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| 320 | "save" { |
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| 321 | set controls [$itk_component(menu) component inner] |
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| 322 | |
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| 323 | set newframenum [$controls.framenume value] |
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| 324 | if {${_frame} != $newframenum} { |
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| 325 | Frame $newframenum |
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| 326 | } |
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| 327 | |
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| 328 | if {[$controls.deleteb value]} { |
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| 329 | itcl::delete object $this |
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| 330 | } |
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| 331 | } |
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| 332 | "cancel" { |
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| 333 | } |
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| 334 | "default" { |
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| 335 | error "bad value \"$status\": should be one of save, cancel" |
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| 336 | } |
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| 337 | } |
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[1916] | 338 | } |
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| 339 | default { |
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| 340 | error "bad option \"$option\": should be one of activate, deactivate." |
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| 341 | } |
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| 342 | } |
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| 343 | } |
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| 344 | |
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| 345 | # ---------------------------------------------------------------------- |
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| 346 | # Link - move the particle to a new location |
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| 347 | # ---------------------------------------------------------------------- |
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| 348 | itcl::body Rappture::VideoParticle::Link {args} { |
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| 349 | # add a new particle list of linked particles |
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| 350 | foreach {p} $args break |
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| 351 | $p prev $this |
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| 352 | next $p |
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| 353 | drawVectors |
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| 354 | } |
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| 355 | |
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| 356 | # ---------------------------------------------------------------------- |
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| 357 | # drawVectors - draw vectors from this particle |
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| 358 | # to all particles it is linked to. |
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| 359 | # ---------------------------------------------------------------------- |
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[1979] | 360 | itcl::body Rappture::VideoParticle::drawVectors {} { |
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[1916] | 361 | |
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| 362 | if {[string compare "" $trajcallback] != 0} { |
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[1979] | 363 | set _link [uplevel \#0 $trajcallback $this ${_nextnode}] |
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[1916] | 364 | } |
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| 365 | } |
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| 366 | |
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| 367 | |
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| 368 | # ---------------------------------------------------------------------- |
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[1979] | 369 | # Coords ?<x0> <y0>? - update the coordinates of this object |
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[1916] | 370 | # ---------------------------------------------------------------------- |
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[1979] | 371 | itcl::body Rappture::VideoParticle::Coords {args} { |
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| 372 | if {[llength $args] == 0} { |
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| 373 | return ${_coords} |
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| 374 | } elseif {[llength $args] == 1} { |
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| 375 | foreach {x0 y0} [lindex $args 0] break |
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| 376 | } elseif {[llength $args] == 2} { |
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| 377 | foreach {x0 y0} $args break |
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| 378 | } else { |
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| 379 | error "wrong # args: should be \"Coords ?<x0> <y0>?\"" |
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| 380 | } |
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| 381 | |
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| 382 | if {([string is double $x0] != 1)} { |
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| 383 | error "bad value: \"$x0\": x coordinate should be a double" |
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| 384 | } |
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| 385 | if {([string is double $y0] != 1)} { |
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| 386 | error "bad value: \"$y0\": y coordinate should be a double" |
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| 387 | } |
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| 388 | |
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| 389 | set _coords [list $x0 $y0] |
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| 390 | set coords [list [expr $x0-${_halo}] [expr $y0-${_halo}] \ |
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| 391 | [expr $x0+${_halo}] [expr $y0+${_halo}]] |
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| 392 | |
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| 393 | if {[llength [${_canvas} find withtag ${_name}-particle]] > 0} { |
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| 394 | eval ${_canvas} coords ${_name}-particle $coords |
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| 395 | } |
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| 396 | |
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| 397 | _fixValue |
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| 398 | return ${_coords} |
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[1916] | 399 | } |
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| 400 | |
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| 401 | # ---------------------------------------------------------------------- |
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[1979] | 402 | # Frame ?<frameNum>? - update the frame this object is in |
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[1916] | 403 | # ---------------------------------------------------------------------- |
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[1979] | 404 | itcl::body Rappture::VideoParticle::Frame {args} { |
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| 405 | if {[llength $args] == 1} { |
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| 406 | set val [lindex $args 0] |
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| 407 | if {([string is integer $val] != 1)} { |
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| 408 | error "bad value: \"$val\": frame number should be an integer" |
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| 409 | } |
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[2028] | 410 | |
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[1979] | 411 | set _frame $val |
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[2025] | 412 | |
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| 413 | if {"" != $itk_option(-onframe)} { |
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| 414 | uplevel \#0 $itk_option(-onframe) ${_frame} |
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| 415 | } |
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[2028] | 416 | |
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| 417 | drawVectors |
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| 418 | if {[string compare "" ${_prevnode}] != 0} { |
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| 419 | ${_prevnode} drawVectors |
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| 420 | } |
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[1979] | 421 | } elseif {[llength $args] != 0} { |
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| 422 | error "wrong # args: should be \"Frame ?<number>?\"" |
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| 423 | } |
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| 424 | return ${_frame} |
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[1916] | 425 | } |
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| 426 | |
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[1979] | 427 | |
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[1916] | 428 | # ---------------------------------------------------------------------- |
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| 429 | # next - get/set the next particle |
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| 430 | # ---------------------------------------------------------------------- |
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| 431 | itcl::body Rappture::VideoParticle::next {args} { |
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| 432 | if {[llength $args] == 1} { |
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| 433 | # set the next node |
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| 434 | set _nextnode [lindex $args 0] |
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| 435 | # drawVectors |
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| 436 | } |
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| 437 | return ${_nextnode} |
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| 438 | } |
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| 439 | |
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| 440 | # ---------------------------------------------------------------------- |
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| 441 | # prev - get/set the prev particle |
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| 442 | # ---------------------------------------------------------------------- |
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| 443 | itcl::body Rappture::VideoParticle::prev {args} { |
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| 444 | if {[llength $args] == 1} { |
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| 445 | # set the prev node |
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| 446 | set _prevnode [lindex $args 0] |
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| 447 | } |
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| 448 | return ${_prevnode} |
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| 449 | } |
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| 450 | |
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[1979] | 451 | # ---------------------------------------------------------------------- |
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| 452 | # name - get the name of the particle |
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| 453 | # ---------------------------------------------------------------------- |
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| 454 | itcl::body Rappture::VideoParticle::name {} { |
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| 455 | return ${_name} |
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| 456 | } |
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[1916] | 457 | |
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| 458 | # ---------------------------------------------------------------------- |
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[1979] | 459 | # USAGE: _fixValue |
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| 460 | # Invoked automatically whenever the -px2dist associated with this |
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| 461 | # widget is modified. Copies the value to the current settings for |
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| 462 | # the widget. |
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| 463 | # ---------------------------------------------------------------------- |
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| 464 | itcl::body Rappture::VideoParticle::_fixValue {args} { |
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| 465 | if {"" == $itk_option(-px2dist)} { |
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| 466 | return |
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| 467 | } |
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| 468 | upvar #0 $itk_option(-px2dist) var |
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| 469 | |
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| 470 | drawVectors |
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| 471 | } |
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| 472 | |
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| 473 | # ---------------------------------------------------------------------- |
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| 474 | # USAGE: _fixPx2Dist |
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| 475 | # Invoked whenever the length part of the trajectory for this object |
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| 476 | # is changed by the user via the popup menu. |
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| 477 | # ---------------------------------------------------------------------- |
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| 478 | itcl::body Rappture::VideoParticle::_fixPx2Dist {px2dist} { |
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| 479 | if {"" == $itk_option(-px2dist)} { |
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| 480 | return |
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| 481 | } |
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| 482 | upvar #0 $itk_option(-px2dist) var |
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| 483 | set var $px2dist |
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| 484 | } |
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| 485 | |
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| 486 | # ---------------------------------------------------------------------- |
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| 487 | # _fixBindings - enable/disable bindings |
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| 488 | # enable |
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| 489 | # disable |
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| 490 | # ---------------------------------------------------------------------- |
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| 491 | itcl::body Rappture::VideoParticle::_fixBindings {status} { |
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| 492 | switch -- $status { |
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| 493 | "enable" { |
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| 494 | ${_canvas} bind ${_name} <ButtonPress-1> [itcl::code $this Move press %x %y] |
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| 495 | ${_canvas} bind ${_name} <B1-Motion> [itcl::code $this Move motion %x %y] |
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| 496 | ${_canvas} bind ${_name} <ButtonRelease-1> [itcl::code $this Move release %x %y] |
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| 497 | |
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| 498 | ${_canvas} bind ${_name} <ButtonPress-3> [itcl::code $this Menu activate %x %y] |
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| 499 | |
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| 500 | ${_canvas} bind ${_name} <Enter> [itcl::code $this Enter] |
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| 501 | ${_canvas} bind ${_name} <Leave> [itcl::code $this Leave] |
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| 502 | |
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| 503 | ${_canvas} bind ${_name} <B1-Enter> { } |
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| 504 | ${_canvas} bind ${_name} <B1-Leave> { } |
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| 505 | # bind ${_canvas} <<Frame>> +[itcl::code $this CatchEvent Frame] |
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| 506 | bindtags ${_canvas} [concat ${_name}-FrameEvent [bindtags ${_canvas}]] |
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| 507 | } |
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| 508 | "disable" { |
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| 509 | ${_canvas} bind ${_name} <ButtonPress-1> { } |
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| 510 | ${_canvas} bind ${_name} <B1-Motion> { } |
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| 511 | ${_canvas} bind ${_name} <ButtonRelease-1> { } |
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| 512 | |
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| 513 | ${_canvas} bind ${_name} <ButtonPress-3> { } |
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| 514 | |
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| 515 | ${_canvas} bind ${_name} <Enter> { } |
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| 516 | ${_canvas} bind ${_name} <Leave> { } |
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| 517 | |
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| 518 | ${_canvas} bind ${_name} <B1-Enter> { } |
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| 519 | ${_canvas} bind ${_name} <B1-Leave> { } |
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| 520 | set tagnum [lsearch [bindtags ${_canvas}] "${_name}-FrameEvent"] |
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| 521 | if {$tagnum >= 0} { |
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[2025] | 522 | bindtags ${_canvas} [lreplace [bindtags ${_canvas}] $tagnum $tagnum] |
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[1979] | 523 | } |
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| 524 | } |
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| 525 | default { |
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| 526 | error "bad option \"$status\": should be one of enable, disable." |
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| 527 | } |
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| 528 | } |
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| 529 | } |
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| 530 | |
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| 531 | |
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| 532 | # ---------------------------------------------------------------------- |
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[1916] | 533 | # CONFIGURATION OPTION: -halo |
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| 534 | # ---------------------------------------------------------------------- |
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| 535 | itcl::configbody Rappture::VideoParticle::halo { |
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| 536 | if {[string is double $itk_option(-halo)] == 1} { |
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| 537 | set _halo $itk_option(-halo) |
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| 538 | } else { |
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| 539 | error "bad value: \"$itk_option(-halo)\": halo should be a number" |
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| 540 | } |
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| 541 | } |
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| 542 | |
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| 543 | # ---------------------------------------------------------------------- |
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| 544 | # CONFIGURATION OPTION: -color |
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| 545 | # ---------------------------------------------------------------------- |
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| 546 | itcl::configbody Rappture::VideoParticle::color { |
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| 547 | if {[string compare "" $itk_option(-color)] != 0} { |
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| 548 | # FIXME how to tell if the color is valid? |
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| 549 | set _color $itk_option(-color) |
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| 550 | } else { |
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| 551 | error "bad value: \"$itk_option(-color)\": should be a valid color" |
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| 552 | } |
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| 553 | } |
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| 554 | |
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| 555 | # ---------------------------------------------------------------------- |
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[1979] | 556 | # CONFIGURE: -px2dist |
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| 557 | # ---------------------------------------------------------------------- |
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| 558 | itcl::configbody Rappture::VideoParticle::px2dist { |
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| 559 | if {"" != $_px2dist} { |
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| 560 | upvar #0 $_px2dist var |
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| 561 | trace remove variable var write [itcl::code $this _fixValue] |
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| 562 | } |
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| 563 | |
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| 564 | set _px2dist $itk_option(-px2dist) |
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| 565 | |
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| 566 | if {"" != $_px2dist} { |
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| 567 | upvar #0 $_px2dist var |
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| 568 | trace add variable var write [itcl::code $this _fixValue] |
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| 569 | |
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| 570 | # sync to the current value of this variable |
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| 571 | if {[info exists var]} { |
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| 572 | _fixValue |
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| 573 | } |
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| 574 | } |
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| 575 | } |
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| 576 | |
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| 577 | |
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| 578 | # ---------------------------------------------------------------------- |
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| 579 | # CONFIGURE: -units |
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| 580 | # ---------------------------------------------------------------------- |
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| 581 | itcl::configbody Rappture::VideoParticle::units { |
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| 582 | set _units $itk_option(-units) |
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| 583 | # _fixValue |
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| 584 | } |
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| 585 | |
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| 586 | |
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| 587 | # ---------------------------------------------------------------------- |
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| 588 | # CONFIGURE: -bindings |
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| 589 | # ---------------------------------------------------------------------- |
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| 590 | itcl::configbody Rappture::VideoParticle::bindings { |
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| 591 | _fixBindings $itk_option(-bindings) |
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| 592 | } |
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| 593 | |
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| 594 | # ---------------------------------------------------------------------- |
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[2025] | 595 | # CONFIGURE: -framerange |
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| 596 | # ---------------------------------------------------------------------- |
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| 597 | itcl::configbody Rappture::VideoParticle::framerange { |
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| 598 | if {"" == $itk_option(-framerange)} { |
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| 599 | return |
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| 600 | } |
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| 601 | if {[llength $itk_option(-framerange)] != 2} { |
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| 602 | error "bad value \"$itk_option(-framerange)\": should be 2 integers" |
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| 603 | } |
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| 604 | foreach {min max} $itk_option(-framerange) break |
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| 605 | if {!([string is integer $min]) || !([string is integer $max])} { |
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| 606 | error "bad value \"$itk_option(-framerange)\": should be 2 integers" |
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| 607 | } |
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| 608 | set controls [$itk_component(menu) component inner] |
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| 609 | $controls.framenume configure -min $min -max $max |
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| 610 | } |
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| 611 | |
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| 612 | # ---------------------------------------------------------------------- |
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