| 1 | # -*- mode: tcl; indent-tabs-mode: nil -*- |
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| 2 | # ---------------------------------------------------------------------- |
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| 3 | # COMPONENT: Balloon - toplevel popup window, like a cartoon balloon |
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| 4 | # |
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| 5 | # This widget is used as a container for pop-up panels in Rappture. |
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| 6 | # If shape extensions are supported, then the window is drawn as |
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| 7 | # a cartoon balloon. Otherwise, it is a raised panel, with a little |
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| 8 | # line connecting it to the widget that brought it up. When active, |
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| 9 | # the panel has a global grab and focus, so the user must interact |
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| 10 | # with it or dismiss it. |
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| 11 | # ====================================================================== |
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| 12 | # AUTHOR: Michael McLennan, Purdue University |
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| 13 | # Copyright (c) 2004-2012 HUBzero Foundation, LLC |
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| 14 | # |
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| 15 | # See the file "license.terms" for information on usage and |
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| 16 | # redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 17 | # ====================================================================== |
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| 18 | package require Itk |
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| 19 | |
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| 20 | namespace eval Rappture { # forward declaration } |
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| 21 | |
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| 22 | option add *Balloon.dismissButton on widgetDefault |
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| 23 | option add *Balloon.padX 4 widgetDefault |
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| 24 | option add *Balloon.padY 4 widgetDefault |
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| 25 | option add *Balloon.titleBackground #999999 widgetDefault |
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| 26 | option add *Balloon.titleForeground white widgetDefault |
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| 27 | option add *Balloon.relief raised widgetDefault |
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| 28 | option add *Balloon.stemLength 16 widgetDefault |
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| 29 | |
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| 30 | itcl::class Rappture::Balloon { |
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| 31 | inherit itk::Toplevel |
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| 32 | |
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| 33 | itk_option define -background background Background "" |
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| 34 | itk_option define -deactivatecommand deactivateCommand DeactivateCommand "" |
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| 35 | itk_option define -dismissbutton dismissButton DismissButton "on" |
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| 36 | itk_option define -padx padX Pad 0 |
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| 37 | itk_option define -pady padY Pad 0 |
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| 38 | itk_option define -title title Title "" |
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| 39 | itk_option define -titlebackground titleBackground Background "" |
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| 40 | itk_option define -titleforeground titleForeground Foreground "" |
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| 41 | itk_option define -stemlength stemLength StemLength 20 |
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| 42 | |
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| 43 | constructor {args} { # defined below } |
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| 44 | |
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| 45 | public method activate {where placement} |
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| 46 | public method deactivate {} |
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| 47 | |
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| 48 | protected method _createStems {} |
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| 49 | protected method _place {where placement w h sw sh} |
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| 50 | |
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| 51 | protected variable _stems ;# windows for cartoon balloon stems |
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| 52 | protected variable _masks ;# masks for cartoon balloon stems |
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| 53 | protected variable _fills ;# lines for cartoon balloon stems |
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| 54 | |
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| 55 | public proc outside {widget x y} |
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| 56 | |
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| 57 | bind RapptureBalloon <ButtonPress> \ |
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| 58 | {if {[Rappture::Balloon::outside %W %X %Y]} {%W deactivate}} |
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| 59 | } |
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| 60 | |
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| 61 | itk::usual Balloon { |
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| 62 | } |
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| 63 | |
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| 64 | # ---------------------------------------------------------------------- |
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| 65 | # CONSTRUCTOR |
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| 66 | # ---------------------------------------------------------------------- |
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| 67 | itcl::body Rappture::Balloon::constructor {args} { |
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| 68 | wm overrideredirect $itk_component(hull) yes |
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| 69 | wm withdraw $itk_component(hull) |
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| 70 | component hull configure -borderwidth 1 -relief solid -padx 0 -pady 0 |
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| 71 | |
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| 72 | itk_component add border { |
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| 73 | frame $itk_interior.border -borderwidth 2 |
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| 74 | } { |
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| 75 | usual |
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| 76 | keep -relief |
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| 77 | } |
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| 78 | pack $itk_component(border) -expand yes -fill both |
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| 79 | |
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| 80 | itk_component add titlebar { |
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| 81 | frame $itk_component(border).tbar |
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| 82 | } { |
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| 83 | usual |
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| 84 | rename -background -titlebackground titleBackground Background |
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| 85 | } |
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| 86 | |
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| 87 | itk_component add title { |
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| 88 | label $itk_component(titlebar).title -width 1 -anchor w |
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| 89 | } { |
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| 90 | usual |
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| 91 | rename -background -titlebackground titleBackground Background |
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| 92 | rename -foreground -titleforeground titleForeground Foreground |
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| 93 | rename -highlightbackground -titlebackground titleBackground Background |
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| 94 | rename -text -title title Title |
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| 95 | } |
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| 96 | pack $itk_component(title) -side left -expand yes -fill both -padx 2 |
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| 97 | |
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| 98 | itk_component add dismiss { |
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| 99 | button $itk_component(titlebar).dismiss \ |
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| 100 | -bitmap [Rappture::icon dismiss] \ |
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| 101 | -relief flat -overrelief raised -command " |
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| 102 | Rappture::Tooltip::cue hide |
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| 103 | [list $itk_component(hull) deactivate] |
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| 104 | " |
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| 105 | } { |
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| 106 | usual |
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| 107 | rename -background -titlebackground titleBackground Background |
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| 108 | rename -foreground -titleforeground titleForeground Foreground |
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| 109 | rename -highlightbackground -titlebackground titleBackground Background |
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| 110 | } |
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| 111 | |
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| 112 | itk_component add inner { |
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| 113 | frame $itk_component(border).inner |
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| 114 | } |
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| 115 | pack $itk_component(inner) -expand yes -fill both |
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| 116 | |
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| 117 | # add bindings to release the grab |
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| 118 | set btags [bindtags $itk_component(hull)] |
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| 119 | bindtags $itk_component(hull) [linsert $btags 1 RapptureBalloon] |
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| 120 | |
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| 121 | eval itk_initialize $args |
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| 122 | |
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| 123 | _createStems |
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| 124 | } |
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| 125 | |
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| 126 | |
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| 127 | # ---------------------------------------------------------------------- |
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| 128 | # USAGE: _place <where> <place> <pw> <ph> <screenw> <screenh> |
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| 129 | # |
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| 130 | # Called by activate. Returns the exact location information given |
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| 131 | # the parameters. If the window will not fit on the screen with the |
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| 132 | # requested placement, will loop through all possible placements to |
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| 133 | # find the best alternative. |
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| 134 | # ---------------------------------------------------------------------- |
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| 135 | itcl::body Rappture::Balloon::_place {where place pw ph screenw screenh} { |
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| 136 | # pw and ph are requested balloon window size |
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| 137 | |
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| 138 | # set placement preference order |
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| 139 | switch $place { |
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| 140 | left {set plist {left above below right}} |
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| 141 | right {set plist {right above below left}} |
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| 142 | above {set plist {above below right left}} |
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| 143 | below {set plist {below above right left}} |
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| 144 | } |
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| 145 | |
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| 146 | set ph_orig $ph |
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| 147 | set pw_orig $pw |
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| 148 | |
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| 149 | foreach placement $plist { |
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| 150 | set pw $pw_orig |
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| 151 | set ph $ph_orig |
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| 152 | if {[winfo exists $where]} { |
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| 153 | # location of top-left corner of root window |
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| 154 | set rx [winfo rootx $where] |
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| 155 | set ry [winfo rooty $where] |
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| 156 | |
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| 157 | # size of widget we want to popup over |
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| 158 | set width [winfo width $where] |
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| 159 | set height [winfo height $where] |
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| 160 | |
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| 161 | # x and y will be location for popup |
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| 162 | set x [expr {$rx + $width/2}] |
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| 163 | set y [expr {$ry + $height/2}] |
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| 164 | |
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| 165 | switch -- $placement { |
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| 166 | left { set x [expr {$rx + 5}] } |
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| 167 | right { set x [expr {$rx + $width - 5}] } |
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| 168 | above { set y [expr {$ry + 5}] } |
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| 169 | below { set y [expr {$ry + $height - 5}] } |
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| 170 | } |
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| 171 | } elseif {[regexp {^@([0-9]+),([0-9]+)$} $where match x y]} { |
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| 172 | # got x and y |
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| 173 | } else { |
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| 174 | error "bad location \"$where\": should be widget or @x,y" |
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| 175 | } |
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| 176 | |
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| 177 | # compute stem image size |
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| 178 | set s $_stems($placement) |
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| 179 | set sw [image width $_fills($placement)] |
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| 180 | set sh [image height $_fills($placement)] |
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| 181 | set offscreen 0 |
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| 182 | |
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| 183 | switch -- $placement { |
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| 184 | left { |
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| 185 | set sx [expr {$x-$sw+3}] |
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| 186 | set sy [expr {$y-$sh/2}] |
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| 187 | set px [expr {$sx-$pw+3}] |
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| 188 | set py [expr {$y-$ph/2}] |
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| 189 | |
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| 190 | # make sure that the panel doesn't go off-screen |
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| 191 | if {$py < 0} { |
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| 192 | incr offscreen [expr -$py] |
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| 193 | set py 0 |
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| 194 | } |
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| 195 | if {$py+$ph > $screenh} { |
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| 196 | incr offscreen [expr {$py + $ph - $screenh}] |
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| 197 | set py [expr {$screenh - $ph}] |
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| 198 | } |
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| 199 | if {$px < 0} { |
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| 200 | incr offscreen [expr -$px] |
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| 201 | set pw [expr {$pw + $px}] |
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| 202 | set px 0 |
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| 203 | } |
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| 204 | } |
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| 205 | right { |
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| 206 | set sx $x |
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| 207 | set sy [expr {$y-$sh/2}] |
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| 208 | set px [expr {$x+$sw-3}] |
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| 209 | set py [expr {$y-$ph/2}] |
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| 210 | |
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| 211 | # make sure that the panel doesn't go off-screen |
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| 212 | if {$py < 0} { |
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| 213 | incr offscreen [expr -$py] |
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| 214 | set py 0 |
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| 215 | } |
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| 216 | if {$py+$ph > $screenh} { |
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| 217 | incr offscreen [expr {$py + $ph - $screenh}] |
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| 218 | set py [expr {$screenh-$ph}] |
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| 219 | } |
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| 220 | if {$px+$pw > $screenw} { |
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| 221 | incr offscreen [expr {$px + $pw - $screenw}] |
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| 222 | set pw [expr {$screenw-$px}] |
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| 223 | } |
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| 224 | } |
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| 225 | above { |
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| 226 | set sx [expr {$x-$sw/2}] |
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| 227 | set sy [expr {$y-$sh+3}] |
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| 228 | set px [expr {$x-$pw/2}] |
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| 229 | set py [expr {$sy-$ph+3}] |
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| 230 | |
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| 231 | # make sure that the panel doesn't go off-screen |
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| 232 | if {$px < 0} { |
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| 233 | incr offscreen [expr -$px] |
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| 234 | set px 0 |
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| 235 | } |
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| 236 | if {$px+$pw > $screenw} { |
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| 237 | incr offscreen [expr {$px + $pw - $screenw}] |
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| 238 | set px [expr {$screenw-$pw}] |
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| 239 | } |
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| 240 | if {$py < 0} { |
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| 241 | incr offscreen [expr -$py] |
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| 242 | set ph [expr {$ph+$py}] |
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| 243 | set py 0 |
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| 244 | } |
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| 245 | } |
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| 246 | below { |
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| 247 | set sx [expr {$x-$sw/2}] |
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| 248 | set sy $y |
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| 249 | set px [expr {$x-$pw/2}] |
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| 250 | set py [expr {$y+$sh-3}] |
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| 251 | |
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| 252 | # make sure that the panel doesn't go off-screen |
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| 253 | if {$px < 0} { |
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| 254 | incr offscreen [expr -$px] |
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| 255 | set px 0 |
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| 256 | } |
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| 257 | if {$px+$pw > $screenw} { |
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| 258 | incr offscreen [expr {$px + $pw - $screenw}] |
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| 259 | set px [expr {$screenw-$pw}] |
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| 260 | } |
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| 261 | if {$py+$ph > $screenh} { |
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| 262 | incr offscreen [expr {$py + $py - $screenh}] |
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| 263 | set ph [expr {$screenh-$py}] |
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| 264 | } |
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| 265 | } |
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| 266 | } |
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| 267 | set res($placement) [list $placement $offscreen $pw $ph $px $py $sx $sy] |
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| 268 | if {$offscreen == 0} { |
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| 269 | return "$placement $pw $ph $px $py $sx $sy" |
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| 270 | } |
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| 271 | } |
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| 272 | |
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| 273 | # In the unlikely event that we arrived here, it is because no |
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| 274 | # placement allowed the entire balloon window to be displayed. |
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| 275 | # Loop through the results and return the best-case placement. |
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| 276 | set _min 10000 |
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| 277 | foreach pl $plist { |
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| 278 | set offscreen [lindex $res($pl) 1] |
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| 279 | if {$offscreen < $_min} { |
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| 280 | set _min $offscreen |
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| 281 | set _min_pl $pl |
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| 282 | } |
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| 283 | } |
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| 284 | return "$_min_pl [lrange $res($_min_pl) 2 end]" |
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| 285 | } |
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| 286 | |
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| 287 | # ---------------------------------------------------------------------- |
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| 288 | # USAGE: activate <where> <placement> |
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| 289 | # |
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| 290 | # Clients use this to pop up this balloon panel pointing to the |
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| 291 | # <where> location, which should be a widget name or @X,Y. The |
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| 292 | # <placement> indicates whether the panel should be left, right, |
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| 293 | # above, or below the <where> coordinate. Plecement is considered |
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| 294 | # a suggestion and may be changed to fit the popup in the screen. |
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| 295 | # ---------------------------------------------------------------------- |
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| 296 | itcl::body Rappture::Balloon::activate {where placement} { |
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| 297 | if {![info exists _stems($placement)]} { |
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| 298 | error "bad placement \"$placement\": should be [join [lsort [array names _stems]] {, }]" |
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| 299 | } |
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| 300 | |
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| 301 | # if the panel is already up, take it down |
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| 302 | deactivate |
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| 303 | |
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| 304 | set p $itk_component(hull) |
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| 305 | set screenw [winfo screenwidth $p] |
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| 306 | set screenh [winfo screenheight $p] |
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| 307 | |
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| 308 | set pw [winfo reqwidth $p] |
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| 309 | if {$pw > $screenw} { set pw [expr {$screenw-10}] } |
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| 310 | set ph [winfo reqheight $p] |
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| 311 | if {$ph > $screenh} { set ph [expr {$screenh-10}] } |
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| 312 | |
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| 313 | foreach {place pw ph px py sx sy} [_place $where $placement $pw $ph $screenw $screenh] break |
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| 314 | |
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| 315 | set s $_stems($place) |
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| 316 | if {[info exists _masks($place)]} { |
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| 317 | shape set $s -bound photo $_masks($place) |
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| 318 | } |
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| 319 | |
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| 320 | if { $pw < 1 || $ph < 1 } { |
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| 321 | # I really don't know why this is happenning. I believe this occurs |
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| 322 | # when in a work space (i.e the main window is smaller than the root |
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| 323 | # window). So for now, better to place the balloon window somewhere |
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| 324 | # than to fail with a bad geometry. |
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| 325 | wm geometry $p +$px+$py |
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| 326 | } else { |
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| 327 | wm geometry $p ${pw}x${ph}+$px+$py |
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| 328 | } |
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| 329 | wm deiconify $p |
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| 330 | raise $p |
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| 331 | |
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| 332 | wm geometry $s +$sx+$sy |
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| 333 | wm deiconify $s |
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| 334 | raise $s |
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| 335 | |
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| 336 | # grab the mouse pointer |
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| 337 | update |
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| 338 | while {[catch {grab set $itk_component(hull)}]} { |
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| 339 | after 100 |
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| 340 | } |
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| 341 | focus $itk_component(hull) |
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| 342 | } |
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| 343 | |
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| 344 | # ---------------------------------------------------------------------- |
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| 345 | # USAGE: deactivate |
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| 346 | # |
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| 347 | # Clients use this to take down the balloon panel if it is on screen. |
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| 348 | # ---------------------------------------------------------------------- |
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| 349 | itcl::body Rappture::Balloon::deactivate {} { |
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| 350 | if {[string length $itk_option(-deactivatecommand)] > 0} { |
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| 351 | uplevel #0 $itk_option(-deactivatecommand) |
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| 352 | } |
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| 353 | |
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| 354 | grab release $itk_component(hull) |
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| 355 | wm withdraw $itk_component(hull) |
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| 356 | foreach dir {left right above below} { |
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| 357 | wm withdraw $_stems($dir) |
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| 358 | } |
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| 359 | } |
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| 360 | |
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| 361 | # ---------------------------------------------------------------------- |
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| 362 | # USAGE: _createStems |
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| 363 | # |
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| 364 | # Used internally to create the stems that connect a balloon panel |
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| 365 | # to its anchor point, in all four possible directions: left, right, |
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| 366 | # above, and below. |
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| 367 | # ---------------------------------------------------------------------- |
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| 368 | itcl::body Rappture::Balloon::_createStems {} { |
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| 369 | # destroy any existing stems |
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| 370 | foreach dir [array names _stems] { |
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| 371 | destroy $_stems($dir) |
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| 372 | unset _stems($dir) |
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| 373 | } |
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| 374 | foreach dir [array names _masks] { |
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| 375 | image delete $_masks($dir) |
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| 376 | unset _masks($dir) |
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| 377 | } |
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| 378 | foreach dir [array names _fills] { |
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| 379 | image delete $_fills($dir) |
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| 380 | unset _fills($dir) |
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| 381 | } |
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| 382 | |
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| 383 | if {[catch {package require Shape}] == 0} { |
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| 384 | # |
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| 385 | # We have the Shape extension. Use it to create nice |
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| 386 | # looking (triangle-shaped) stems. |
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| 387 | # |
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| 388 | set s $itk_option(-stemlength) |
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| 389 | foreach dir {left right above below} { |
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| 390 | switch -- $dir { |
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| 391 | left - right { |
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| 392 | set sw [expr {$s+2}] |
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| 393 | set sh $s |
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| 394 | } |
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| 395 | above - below { |
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| 396 | set sw $s |
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| 397 | set sh [expr {$s+2}] |
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| 398 | } |
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| 399 | } |
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| 400 | |
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| 401 | set _stems($dir) [toplevel $itk_interior.s$dir -borderwidth 0] |
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| 402 | label $_stems($dir).l \ |
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| 403 | -width $sw -height $sh -borderwidth 0 |
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| 404 | pack $_stems($dir).l -expand yes -fill both |
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| 405 | |
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| 406 | wm withdraw $_stems($dir) |
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| 407 | wm overrideredirect $_stems($dir) yes |
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| 408 | |
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| 409 | # |
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| 410 | # Draw the triangle part of the stem, with a black outline |
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| 411 | # and light/dark highlights: |
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| 412 | # |
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| 413 | # -------- --- LEFT STEM |
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| 414 | # |..## | ^ |
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| 415 | # | ..## | | . = light color |
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| 416 | # | ..##| | s @ = dark color |
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| 417 | # | @@##| | # = black |
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| 418 | # | @@## | | |
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| 419 | # |@@## | v |
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| 420 | # -------- --- |
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| 421 | # |<------>| |
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| 422 | # s+2 |
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| 423 | # |
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| 424 | set _masks($dir) [image create photo -width $sw -height $sh] |
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| 425 | set _fills($dir) [image create photo -width $sw -height $sh] |
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| 426 | |
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| 427 | set bg $itk_option(-background) |
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| 428 | set light [Rappture::color::brightness $bg 0.4] |
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| 429 | set dark [Rappture::color::brightness $bg -0.4] |
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| 430 | set rgb [winfo rgb . $bg] |
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| 431 | set flatbg [format "#%04x%04x%04x" [lindex $rgb 0] [lindex $rgb 1] [lindex $rgb 2]] |
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| 432 | switch -- $itk_option(-relief) { |
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| 433 | raised { |
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| 434 | set light [Rappture::color::brightness $bg 0.4] |
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| 435 | set dark [Rappture::color::brightness $bg -0.4] |
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| 436 | set bg $flatbg |
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| 437 | } |
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| 438 | flat - solid { |
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| 439 | set light $flatbg |
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| 440 | set dark $flatbg |
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| 441 | set bg $flatbg |
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| 442 | } |
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| 443 | sunken { |
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| 444 | set light [Rappture::color::brightness $bg -0.4] |
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| 445 | set dark [Rappture::color::brightness $bg 0.4] |
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| 446 | set bg $flatbg |
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| 447 | } |
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| 448 | } |
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| 449 | set bg [format "#%04x%04x%04x" [lindex $rgb 0] [lindex $rgb 1] [lindex $rgb 2]] |
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| 450 | |
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| 451 | $_fills($dir) put $bg -to 0 0 $sw $sh |
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| 452 | |
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| 453 | switch -- $dir { |
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| 454 | left { |
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| 455 | set i 0 |
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| 456 | for {set j 0} {$j < $s/2} {incr j} { |
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| 457 | set ybtm [expr {$s-$j-1}] |
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| 458 | $_fills($dir) put $dark \ |
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| 459 | -to $i [expr {$ybtm-1}] [expr {$i+2}] [expr {$ybtm+1}] |
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| 460 | $_fills($dir) put black \ |
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| 461 | -to [expr {$i+2}] $ybtm [expr {$i+4}] [expr {$ybtm+1}] |
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| 462 | |
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| 463 | set ytop $j |
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| 464 | set ytoffs [expr {($j == $s/2-1) ? 1 : 2}] |
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| 465 | $_fills($dir) put $light \ |
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| 466 | -to $i $ytop [expr {$i+2}] [expr {$ytop+$ytoffs}] |
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| 467 | $_fills($dir) put black \ |
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| 468 | -to [expr {$i+2}] $ytop [expr {$i+4}] [expr {$ytop+1}] |
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| 469 | incr i 2 |
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| 470 | } |
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| 471 | $_stems($dir).l configure -image $_fills($dir) |
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| 472 | |
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| 473 | $_masks($dir) put black -to 0 0 $sw $sh |
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| 474 | set i 0 |
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| 475 | for {set j 0} {$j < $s/2} {incr j} { |
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| 476 | for {set k [expr {$i+4}]} {$k < $s+2} {incr k} { |
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| 477 | $_masks($dir) transparency set $k $j yes |
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| 478 | $_masks($dir) transparency set $k [expr {$s-$j-1}] yes |
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| 479 | } |
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| 480 | incr i 2 |
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| 481 | } |
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| 482 | } |
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| 483 | right { |
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| 484 | set i $sw |
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| 485 | for {set j 0} {$j < $s/2} {incr j} { |
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| 486 | set ybtm [expr {$s-$j-1}] |
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| 487 | $_fills($dir) put $dark \ |
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| 488 | -to [expr {$i-2}] [expr {$ybtm-1}] $i [expr {$ybtm+1}] |
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| 489 | $_fills($dir) put black \ |
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| 490 | -to [expr {$i-4}] $ybtm [expr {$i-2}] [expr {$ybtm+1}] |
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| 491 | |
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| 492 | set ytop $j |
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| 493 | set ytoffs [expr {($j == $s/2-1) ? 1 : 2}] |
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| 494 | $_fills($dir) put $light \ |
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| 495 | -to [expr {$i-2}] $ytop $i [expr {$ytop+$ytoffs}] |
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| 496 | $_fills($dir) put black \ |
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| 497 | -to [expr {$i-4}] $ytop [expr {$i-2}] [expr {$ytop+1}] |
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| 498 | incr i -2 |
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| 499 | } |
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| 500 | $_stems($dir).l configure -image $_fills($dir) |
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| 501 | |
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| 502 | $_masks($dir) put black -to 0 0 $sw $sh |
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| 503 | set i $sw |
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| 504 | for {set j 0} {$j < $s/2} {incr j} { |
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| 505 | for {set k 0} {$k < $i-4} {incr k} { |
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| 506 | $_masks($dir) transparency set $k $j yes |
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| 507 | $_masks($dir) transparency set $k [expr {$s-$j-1}] yes |
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| 508 | } |
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| 509 | incr i -2 |
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| 510 | } |
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| 511 | } |
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| 512 | above { |
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| 513 | set i 0 |
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| 514 | for {set j 0} {$j < $s/2} {incr j} { |
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| 515 | set xrhs [expr {$s-$j-1}] |
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| 516 | $_fills($dir) put $dark \ |
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| 517 | -to [expr {$xrhs-1}] $i [expr {$xrhs+1}] [expr {$i+2}] |
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| 518 | $_fills($dir) put black \ |
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| 519 | -to $xrhs [expr {$i+2}] [expr {$xrhs+1}] [expr {$i+4}] |
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| 520 | |
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| 521 | set xlhs $j |
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| 522 | set xloffs [expr {($j == $s/2-1) ? 1 : 2}] |
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| 523 | $_fills($dir) put $light \ |
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| 524 | -to $xlhs $i [expr {$xlhs+$xloffs}] [expr {$i+2}] |
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| 525 | $_fills($dir) put black \ |
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| 526 | -to $xlhs [expr {$i+2}] [expr {$xlhs+1}] [expr {$i+4}] |
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| 527 | incr i 2 |
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| 528 | } |
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| 529 | $_stems($dir).l configure -image $_fills($dir) |
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| 530 | |
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| 531 | $_masks($dir) put black -to 0 0 $sw $sh |
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| 532 | set i 0 |
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| 533 | for {set j 0} {$j < $s/2} {incr j} { |
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| 534 | for {set k [expr {$i+4}]} {$k < $s+2} {incr k} { |
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| 535 | $_masks($dir) transparency set $j $k yes |
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| 536 | $_masks($dir) transparency set [expr {$s-$j-1}] $k yes |
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| 537 | } |
|---|
| 538 | incr i 2 |
|---|
| 539 | } |
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| 540 | } |
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| 541 | below { |
|---|
| 542 | set i $sh |
|---|
| 543 | for {set j 0} {$j < $s/2} {incr j} { |
|---|
| 544 | set xrhs [expr {$s-$j-1}] |
|---|
| 545 | $_fills($dir) put $dark \ |
|---|
| 546 | -to [expr {$xrhs-1}] [expr {$i-2}] [expr {$xrhs+1}] $i |
|---|
| 547 | $_fills($dir) put black \ |
|---|
| 548 | -to $xrhs [expr {$i-4}] [expr {$xrhs+1}] [expr {$i-2}] |
|---|
| 549 | |
|---|
| 550 | set xlhs $j |
|---|
| 551 | set xloffs [expr {($j == $s/2-1) ? 1 : 2}] |
|---|
| 552 | $_fills($dir) put $light \ |
|---|
| 553 | -to $xlhs [expr {$i-2}] [expr {$xlhs+$xloffs}] $i |
|---|
| 554 | $_fills($dir) put black \ |
|---|
| 555 | -to $xlhs [expr {$i-4}] [expr {$xlhs+1}] [expr {$i-2}] |
|---|
| 556 | incr i -2 |
|---|
| 557 | } |
|---|
| 558 | $_stems($dir).l configure -image $_fills($dir) |
|---|
| 559 | |
|---|
| 560 | $_masks($dir) put black -to 0 0 $sw $sh |
|---|
| 561 | set i $sh |
|---|
| 562 | for {set j 0} {$j < $s/2} {incr j} { |
|---|
| 563 | for {set k 0} {$k < $i-4} {incr k} { |
|---|
| 564 | $_masks($dir) transparency set $j $k yes |
|---|
| 565 | $_masks($dir) transparency set [expr {$s-$j-1}] $k yes |
|---|
| 566 | } |
|---|
| 567 | incr i -2 |
|---|
| 568 | } |
|---|
| 569 | } |
|---|
| 570 | } |
|---|
| 571 | } |
|---|
| 572 | } else { |
|---|
| 573 | # |
|---|
| 574 | # No shape extension. Do the best we can by creating a |
|---|
| 575 | # black line for all directions. |
|---|
| 576 | # |
|---|
| 577 | foreach {dir w h} [list \ |
|---|
| 578 | left $itk_option(-stemlength) 3 \ |
|---|
| 579 | right $itk_option(-stemlength) 3 \ |
|---|
| 580 | above 3 $itk_option(-stemlength) \ |
|---|
| 581 | below 3 $itk_option(-stemlength) \ |
|---|
| 582 | ] { |
|---|
| 583 | set _stems($dir) [toplevel $itk_interior.s$dir \ |
|---|
| 584 | -width $w -height $h \ |
|---|
| 585 | -borderwidth 1 -relief solid -background black] |
|---|
| 586 | wm withdraw $_stems($dir) |
|---|
| 587 | wm overrideredirect $_stems($dir) yes |
|---|
| 588 | |
|---|
| 589 | # create this for size, even though we don't really use it |
|---|
| 590 | set _fills($dir) [image create photo -width $w -height $h] |
|---|
| 591 | } |
|---|
| 592 | } |
|---|
| 593 | } |
|---|
| 594 | |
|---|
| 595 | # ---------------------------------------------------------------------- |
|---|
| 596 | # USAGE: outside <widget> <x> <y> |
|---|
| 597 | # |
|---|
| 598 | # Used internally to see if the click point <x>,<y> is outside of |
|---|
| 599 | # this widget. If so, the widget usually releases is grab and |
|---|
| 600 | # deactivates. |
|---|
| 601 | # ---------------------------------------------------------------------- |
|---|
| 602 | itcl::body Rappture::Balloon::outside {widget x y} { |
|---|
| 603 | return [expr {$x < [winfo rootx $widget] |
|---|
| 604 | || $x > [winfo rootx $widget]+[winfo width $widget] |
|---|
| 605 | || $y < [winfo rooty $widget] |
|---|
| 606 | || $y > [winfo rooty $widget]+[winfo height $widget]}] |
|---|
| 607 | } |
|---|
| 608 | |
|---|
| 609 | # ---------------------------------------------------------------------- |
|---|
| 610 | # CONFIGURATION OPTION: -background |
|---|
| 611 | # ---------------------------------------------------------------------- |
|---|
| 612 | itcl::configbody Rappture::Balloon::background { |
|---|
| 613 | _createStems |
|---|
| 614 | } |
|---|
| 615 | |
|---|
| 616 | # ---------------------------------------------------------------------- |
|---|
| 617 | # CONFIGURATION OPTION: -stemlength |
|---|
| 618 | # |
|---|
| 619 | # Used internally to create the stems that connect a balloon panel |
|---|
| 620 | # to its anchor point, in all four possible directions: left, right, |
|---|
| 621 | # above, and below. |
|---|
| 622 | # ---------------------------------------------------------------------- |
|---|
| 623 | itcl::configbody Rappture::Balloon::stemlength { |
|---|
| 624 | if {$itk_option(-stemlength) % 2 != 0} { |
|---|
| 625 | error "stem length should be an even number of pixels" |
|---|
| 626 | } |
|---|
| 627 | } |
|---|
| 628 | |
|---|
| 629 | # ---------------------------------------------------------------------- |
|---|
| 630 | # CONFIGURATION OPTION: -dismissbutton |
|---|
| 631 | # ---------------------------------------------------------------------- |
|---|
| 632 | itcl::configbody Rappture::Balloon::dismissbutton { |
|---|
| 633 | if {![string is boolean $itk_option(-dismissbutton)]} { |
|---|
| 634 | error "bad value \"$itk_option(-dismissbutton)\": should be on/off, 1/0, true/false, yes/no" |
|---|
| 635 | } |
|---|
| 636 | if {$itk_option(-dismissbutton)} { |
|---|
| 637 | pack $itk_component(titlebar) -before $itk_component(inner) \ |
|---|
| 638 | -side top -fill x |
|---|
| 639 | pack $itk_component(dismiss) -side right -padx 4 |
|---|
| 640 | } elseif {"" != $itk_option(-title)} { |
|---|
| 641 | pack $itk_component(titlebar) -before $itk_component(inner) \ |
|---|
| 642 | -side top -fill x |
|---|
| 643 | pack forget $itk_component(dismiss) |
|---|
| 644 | } else { |
|---|
| 645 | pack forget $itk_component(titlebar) |
|---|
| 646 | } |
|---|
| 647 | } |
|---|
| 648 | |
|---|
| 649 | # ---------------------------------------------------------------------- |
|---|
| 650 | # CONFIGURATION OPTION: -padx |
|---|
| 651 | # ---------------------------------------------------------------------- |
|---|
| 652 | itcl::configbody Rappture::Balloon::padx { |
|---|
| 653 | pack $itk_component(inner) -padx $itk_option(-padx) |
|---|
| 654 | } |
|---|
| 655 | |
|---|
| 656 | # ---------------------------------------------------------------------- |
|---|
| 657 | # CONFIGURATION OPTION: -pady |
|---|
| 658 | # ---------------------------------------------------------------------- |
|---|
| 659 | itcl::configbody Rappture::Balloon::pady { |
|---|
| 660 | pack $itk_component(inner) -pady $itk_option(-pady) |
|---|
| 661 | } |
|---|
| 662 | |
|---|
| 663 | # ---------------------------------------------------------------------- |
|---|
| 664 | # CONFIGURATION OPTION: -title |
|---|
| 665 | # ---------------------------------------------------------------------- |
|---|
| 666 | itcl::configbody Rappture::Balloon::title { |
|---|
| 667 | if {"" != $itk_option(-title) || $itk_option(-dismissbutton)} { |
|---|
| 668 | pack $itk_component(titlebar) -before $itk_component(inner) \ |
|---|
| 669 | -side top -fill x |
|---|
| 670 | if {$itk_option(-dismissbutton)} { |
|---|
| 671 | pack $itk_component(dismiss) -side right -padx 4 |
|---|
| 672 | } else { |
|---|
| 673 | pack forget $itk_component(dismiss) |
|---|
| 674 | } |
|---|
| 675 | } else { |
|---|
| 676 | pack forget $itk_component(titlebar) |
|---|
| 677 | } |
|---|
| 678 | } |
|---|
