| 1 | # This program is under CECILL_B licence. See footer for details. |
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| 2 | |
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| 3 | ############################################### |
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| 4 | # Scrolling form, with only vertical scrolling |
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| 5 | # Bindings of scrollbars are redefined to fix a -multiple match binding- problem |
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| 6 | # A binding on mouseWheel is added on the form and its children |
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| 7 | ################################################ |
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| 8 | |
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| 9 | # creation of the scrollform |
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| 10 | proc scrollform_create {win } { |
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| 11 | global ScrollInfo widgetInfo |
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| 12 | |
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| 13 | |
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| 14 | set ScrollInfo($win-y0) 0 |
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| 15 | |
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| 16 | set ScrollInfo(count) 0 |
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| 17 | |
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| 18 | # main frame |
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| 19 | ttk::frame $win |
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| 20 | pack $win -side top -expand 1 -fill both |
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| 21 | |
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| 22 | ttk::scrollbar $win.sbary -orient vertical -command [list $win.vport yview] |
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| 23 | ttk::scrollbar $win.sbarx -orient horizontal -command [list $win.vport xview] |
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| 24 | |
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| 25 | |
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| 26 | #bind $win.sbary <ButtonPress> [subst { puts "sby $win" }] |
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| 27 | |
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| 28 | canvas $win.vport -xscrollcommand [list $win.sbarx set] -yscrollcommand [list $win.sbary set] -borderwidth 0 -highlightthickness 0 -insertborderwidth 0 -background [ThemeColor 0.9] |
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| 29 | |
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| 30 | grid $win.vport -sticky news -column 0 -row 0 |
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| 31 | grid columnconfigure $win 0 -weight 1 |
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| 32 | grid rowconfigure $win 0 -weight 1 |
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| 33 | |
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| 34 | #### TEST #### |
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| 35 | grid $win.sbary -sticky news -column 1 -row 0 |
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| 36 | grid $win.sbarx -sticky news -column 0 -row 1 |
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| 37 | |
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| 38 | #### TEST #### |
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| 39 | |
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| 40 | #$win.vport configure -background [ThemeColor 1.0] |
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| 41 | #bind . <<ThemeUpdate>> +[subst {$win.vport configure -background \[ThemeColor 1.0\]}] |
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| 42 | |
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| 43 | # form to be scrolled |
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| 44 | ttk::frame $win.vport.form |
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| 45 | |
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| 46 | set guiMode $widgetInfo(guimode) |
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| 47 | set guiWidth $widgetInfo(guiwidth) |
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| 48 | set guiHeight $widgetInfo(guiheight) |
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| 49 | |
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| 50 | |
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| 51 | $win.vport create window 1 1 -window $win.vport.form |
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| 52 | #-width 2000 -height 2000 |
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| 53 | |
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| 54 | #bind $win.vport.form <Visibility> [subst { scrollform_upperleft $win}] |
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| 55 | |
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| 56 | bind $win.vport.form <Visibility> [subst { scrollform_resize $win}] |
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| 57 | |
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| 58 | |
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| 59 | bind . <<InitializeGUI>> +[subst { scrollform_upperleft $win}] |
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| 60 | |
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| 61 | return $win |
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| 62 | } |
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| 63 | |
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| 64 | |
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| 65 | # procedure for scrolling using the drag and drop binding |
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| 66 | proc scrollform_scroll {win x y} { |
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| 67 | global ScrollInfo |
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| 68 | |
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| 69 | set gap [expr ($y - $ScrollInfo($win-fy))] |
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| 70 | |
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| 71 | if { $gap > 0} { |
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| 72 | $win.vport yview scroll 1 units |
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| 73 | } |
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| 74 | if { $gap < 0} { |
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| 75 | $win.vport yview scroll -1 units |
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| 76 | } |
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| 77 | set ScrollInfo($win-fy) $y |
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| 78 | } |
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| 79 | |
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| 80 | # procedure for scrolling using the MouseWheel binding |
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| 81 | # warning, delta is negative with respect to canvas corrdinate |
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| 82 | proc scrollform_scrollwheel {win delta} { |
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| 83 | global tabscroll |
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| 84 | |
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| 85 | if {$tabscroll} { |
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| 86 | set scrollamount [expr int(-$delta)] |
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| 87 | $win.vport yview scroll $scrollamount units |
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| 88 | #if {[expr abs($scrollamount) > 3]} { |
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| 89 | # set delta [expr int($delta*0.3)] |
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| 90 | # scrollform_scrollwheel $win $delta |
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| 91 | #} |
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| 92 | } |
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| 93 | } |
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| 94 | |
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| 95 | # procedure for scrolling using the MouseWheel binding |
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| 96 | # warning, delta is negative with respect to canvas corrdinate |
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| 97 | proc scrollform_lateralscroll {win delta} { |
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| 98 | global tabscroll |
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| 99 | if {$tabscroll} { |
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| 100 | set scrollamount [expr int(-$delta)] |
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| 101 | $win.vport xview scroll $scrollamount units |
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| 102 | #if {[expr abs($scrollamount) > 3]} { |
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| 103 | # set delta [expr int($delta*0.33)] |
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| 104 | # scrollform_lateralscroll $win $delta |
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| 105 | #} |
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| 106 | } |
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| 107 | } |
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| 108 | |
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| 109 | |
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| 110 | # resise the scrollform |
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| 111 | # update the scrollbar visibility |
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| 112 | # propagate mousewheel binding |
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| 113 | |
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| 114 | proc scrollform_resize {win} { |
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| 115 | global ScrollInfo |
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| 116 | set frac_x [lindex [$win.sbarx get] 0 ] |
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| 117 | set frac_y [lindex [$win.sbary get] 0 ] |
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| 118 | set bbox [$win.vport bbox all] |
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| 119 | |
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| 120 | $win.vport configure -scrollregion $bbox |
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| 121 | |
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| 122 | bind . <MouseWheel> [subst {scrollform_scrollwheel $win %D}] |
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| 123 | bind . <Shift-MouseWheel> [subst {scrollform_lateralscroll $win %D}] |
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| 124 | |
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| 125 | $win.vport yview moveto $frac_y |
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| 126 | $win.vport xview moveto $frac_x |
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| 127 | |
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| 128 | |
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| 129 | ## get geometry of form |
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| 130 | #set height [winfo height $win.vport.form] |
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| 131 | #set width [winfo width $win.vport.form] |
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| 132 | # |
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| 133 | ## get the bbox of canvas |
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| 134 | #set bbox [$win.vport bbox all] |
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| 135 | # |
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| 136 | ## toggle y scrollbar |
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| 137 | #set win_height [winfo height $win.vport] |
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| 138 | #if {$height > $win_height && [winfo viewable $win.vport.form ] } { |
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| 139 | # grid $win.sbary -sticky news -column 1 -row 0 |
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| 140 | # $win.vport configure -scrollregion $bbox |
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| 141 | # bind . <MouseWheel> [subst {scrollform_scrollwheel $win %D}] |
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| 142 | #} else { |
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| 143 | # $win.vport yview moveto 0.0 |
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| 144 | # grid forget $win.sbary |
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| 145 | # bind . <MouseWheel> "" |
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| 146 | #} |
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| 147 | ## toggle x scrollbar |
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| 148 | #set win_width [winfo width $win.vport] |
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| 149 | #if {$width > $win_width} { |
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| 150 | # grid $win.sbarx -sticky news -column 0 -row 1 |
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| 151 | # $win.vport configure -scrollregion $bbox |
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| 152 | # bind . <Shift-MouseWheel> [subst {scrollform_lateralscroll $win %D}] |
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| 153 | #} else { |
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| 154 | # $win.vport xview moveto 0.0 |
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| 155 | # grid forget $win.sbarx |
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| 156 | # bind . <Shift-MouseWheel> "" |
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| 157 | #} |
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| 158 | |
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| 159 | return $win |
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| 160 | } |
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| 161 | |
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| 162 | # Only return where child widget must be packed |
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| 163 | proc scrollform_interior { win } { |
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| 164 | return $win.vport.form |
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| 165 | |
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| 166 | } |
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| 167 | |
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| 168 | # Only return where child widget must be packed |
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| 169 | proc scrollform_upperleft { win } { |
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| 170 | global widgetInfo |
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| 171 | scrollform_resize $win |
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| 172 | |
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| 173 | $win.vport xview moveto 0.0 |
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| 174 | $win.vport yview moveto 0.0 |
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| 175 | } |
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| 176 | |
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| 177 | |
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| 178 | |
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| 179 | |
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| 180 | # Copyright CERFACS 2014 |
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| 181 | # |
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| 182 | # antoine.dauptain@cerfacs.fr |
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| 183 | # |
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| 184 | # This software is a computer program whose purpose is to ensure technology |
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| 185 | # transfer between academia and industry. |
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| 186 | # |
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| 187 | # This software is governed by the CeCILL-B license under French law and |
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| 188 | # abiding by the rules of distribution of free software. You can use, |
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| 189 | # modify and/ or redistribute the software under the terms of the CeCILL-B |
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| 190 | # license as circulated by CEA, CNRS and INRIA at the following URL |
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| 191 | # "http://www.cecill.info". |
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| 192 | # |
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| 193 | # As a counterpart to the access to the source code and rights to copy, |
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| 194 | # modify and redistribute granted by the license, users are provided only |
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| 195 | # with a limited warranty and the software's author, the holder of the |
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| 196 | # economic rights, and the successive licensors have only limited |
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| 197 | # liability. |
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| 198 | # |
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| 199 | # In this respect, the user's attention is drawn to the risks associated |
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| 200 | # with loading, using, modifying and/or developing or reproducing the |
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| 201 | # software by the user in light of its specific status of free software, |
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| 202 | # that may mean that it is complicated to manipulate, and that also |
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| 203 | # therefore means that it is reserved for developers and experienced |
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| 204 | # professionals having in-depth computer knowledge. Users are therefore |
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| 205 | # encouraged to load and test the software's suitability as regards their |
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| 206 | # requirements in conditions enabling the security of their systems and/or |
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| 207 | # data to be ensured and, more generally, to use and operate it in the |
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| 208 | # same conditions as regards security. |
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| 209 | # |
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| 210 | # The fact that you are presently reading this means that you have had |
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| 211 | # knowledge of the CeCILL-B license and that you accept its terms. |
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