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35 lines
1.6 KiB
Tcl
35 lines
1.6 KiB
Tcl
--- lib/exwin.tcl.orig 2017-11-09 20:42:24.000000000 -0800
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+++ lib/exwin.tcl 2021-09-06 06:53:11.916007000 -0700
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@@ -101,12 +101,26 @@
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}
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proc mscroll {bindtag num} {
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- bind $bindtag <Button-5> [list %W yview scroll $num units]
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- bind $bindtag <Button-4> [list %W yview scroll -$num units]
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- bind $bindtag <Shift-Button-5> [list %W yview scroll 1 units]
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- bind $bindtag <Shift-Button-4> [list %W yview scroll -1 units]
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- bind $bindtag <Control-Button-5> [list %W yview scroll 1 pages]
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- bind $bindtag <Control-Button-4> [list %W yview scroll -1 pages]
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+ # Prior to tcl 8.7a5:
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+ # bind $bindtag <Button-5> [list %W yview scroll $num units]
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+ # bind $bindtag <Button-4> [list %W yview scroll -$num units]
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+ # bind $bindtag <Shift-Button-5> [list %W yview scroll 1 units]
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+ # bind $bindtag <Shift-Button-4> [list %W yview scroll -1 units]
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+ # bind $bindtag <Control-Button-5> [list %W yview scroll 1 pages]
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+ # bind $bindtag <Control-Button-4> [list %W yview scroll -1 pages]
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+
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+ # tcl 8.7a5 and later. See
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+ # https://core.tcl-lang.org/tips/doc/trunk/tip/474.md for more info:
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+ bind $bindtag <MouseWheel> [ list tk::MouseWheel %W y %D [ expr 10/-$num ] pixels ]
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+ bind $bindtag <Shift-MouseWheel> { tk::MouseWheel %W y %D -10 pixels }
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+ bind $bindtag <Control-MouseWheel> { tk::MouseWheel %W y %D -1 pixels }
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+}
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+
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+
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+proc fmscroll {bindtag num} {
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+ bind $bindtag <MouseWheel> [ list tk::MouseWheel %W y %D [ expr 200/-$num ] units ]
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+ bind $bindtag <Shift-MouseWheel> { tk::MouseWheel %W y %D [expr 200/-10 ] units }
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+ bind $bindtag <Control-MouseWheel> { tk::MouseWheel %W y %D -1 units }
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}
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