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wezterm: scroll the viewport when dragging to select text
closes https://github.com/wez/wezterm/issues/8
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parent
927129a97f
commit
03ba1a98f0
@ -2945,6 +2945,32 @@ impl TermWindow {
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}
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}
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// When the mouse gets close enough to the top or bottom then scroll
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// the viewport so that we can see more in that direction and are able
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// to select more than fits in the viewport.
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// This is similar to the logic in the copy mode overlay, but the gap
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// is smaller because it feels more natural for mouse selection to have
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// a smaller gpa.
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const VERTICAL_GAP: isize = 2;
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let dims = tab.renderer().get_dimensions();
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let top = self.get_viewport(tab.tab_id()).unwrap_or(dims.physical_top);
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let vertical_gap = if dims.physical_top <= VERTICAL_GAP {
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1
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} else {
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VERTICAL_GAP
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};
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let top_gap = y - top;
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if top_gap < vertical_gap {
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// Increase the gap so we can "look ahead"
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self.set_viewport(tab.tab_id(), Some(y.saturating_sub(vertical_gap)), dims);
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} else {
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let bottom_gap = (dims.viewport_rows as isize).saturating_sub(top_gap);
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if bottom_gap < vertical_gap {
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self.set_viewport(tab.tab_id(), Some(top + vertical_gap - bottom_gap), dims);
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}
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}
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self.window.as_ref().unwrap().invalidate();
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self.window.as_ref().unwrap().invalidate();
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}
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}
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