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| author | marc_culler <marc.culler@gmail.com> | 2023-11-11 18:37:19 (GMT) |
|---|---|---|
| committer | marc_culler <marc.culler@gmail.com> | 2023-11-11 18:37:19 (GMT) |
| commit | b2a0dd551db91af30c2bcfb822c975503190e77b (patch) | |
| tree | 9d2c132cfcf362779224227366d62d8bf8a52784 /library/text.tcl | |
| parent | a9341a2df78f4af62fd48cbecb50023e34e2e760 (diff) | |
| download | tk-b2a0dd551db91af30c2bcfb822c975503190e77b.zip tk-b2a0dd551db91af30c2bcfb822c975503190e77b.tar.gz tk-b2a0dd551db91af30c2bcfb822c975503190e77b.tar.bz2 | |
Implement smooth scrolling for macOS in a way which can be adapted to other platforms.
Diffstat (limited to 'library/text.tcl')
| -rw-r--r-- | library/text.tcl | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/library/text.tcl b/library/text.tcl index e5a4c11..eeb20fd 100644 --- a/library/text.tcl +++ b/library/text.tcl @@ -457,16 +457,32 @@ bind Text <B2-Motion> { set ::tk::Priv(prevPos) {} bind Text <MouseWheel> { - tk::MouseWheel %W y [tk::ScaleNum %D] -4.0 pixels + if {[ expr %s & 512 ]} { + tk::MouseWheel %W y %D -1.0 pixels + } else { + tk::MouseWheel %W y [tk::ScaleNum %D] -4.0 pixels + } } bind Text <Option-MouseWheel> { - tk::MouseWheel %W y [tk::ScaleNum %D] -1.2 pixels + if {[ expr %s & 512 ]} { + tk::MouseWheel %W y %D pixels + } else { + tk::MouseWheel %W y [tk::ScaleNum %D] -1.2 pixels + } } bind Text <Shift-MouseWheel> { - tk::MouseWheel %W x [tk::ScaleNum %D] -4.0 pixels + if {[ expr %s & 512 ]} { + tk::MouseWheel %W x %D -1.0 pixels + } else { + tk::MouseWheel %W x [tk::ScaleNum %D] -4.0 pixels + } } bind Text <Shift-Option-MouseWheel> { - tk::MouseWheel %W x [tk::ScaleNum %D] -1.2 pixels + if {[ expr %s & 512 ]} { + tk::MouseWheel %W x %D -1.0 pixels + } else { + tk::MouseWheel %W x [tk::ScaleNum %D] -1.2 pixels + } } # ::tk::TextClosestGap -- |