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https://github.com/FliegendeWurst/cursive.git
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Add mouse support to EditView
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@ -95,13 +95,20 @@ where
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prefix(iter.rev(), width, delimiter)
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}
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/// Computes the length (number of bytes) and width of a suffix that fits in the given `width`.
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/// Computes a suffix that fits in the given `width`.
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///
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/// Breaks between any two graphemes.
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pub fn simple_suffix(text: &str, width: usize) -> Prefix {
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suffix(text.graphemes(true), width, "")
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}
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/// Computes the longest prefix of the given text that fits in the given width.
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///
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/// Breaks between any two graphemes.
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pub fn simple_prefix(text: &str, width: usize) -> Prefix {
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prefix(text.graphemes(true), width, "")
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}
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#[cfg(test)]
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mod tests {
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use utils;
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@ -8,7 +8,7 @@ use std::rc::Rc;
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use theme::{ColorStyle, Effect};
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use unicode_segmentation::UnicodeSegmentation;
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use unicode_width::UnicodeWidthStr;
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use utils::simple_suffix;
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use utils::{simple_prefix, simple_suffix};
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use vec::Vec2;
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use view::View;
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@ -571,6 +571,20 @@ impl View for EditView {
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cb(s, &content);
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});
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}
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Event::Mouse {
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event: MouseEvent::Press(_),
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position,
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offset,
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} if position.fits_in_rect(offset, (self.last_length, 1)) =>
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{
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position.checked_sub(offset).map(|position| {
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self.cursor = self.offset
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+ simple_prefix(
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&self.content[self.offset..],
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position.x,
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).length;
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});
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}
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_ => return EventResult::Ignored,
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}
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