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a78051dcbe
This makes sure that termbox does not inadvertantly steal our commands while executing external commands, and also makes sure we explicitly reset the screen. Also, make sure we use a temporary selection.
60 lines
1.1 KiB
Go
60 lines
1.1 KiB
Go
package peco
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import (
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"github.com/google/btree"
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"github.com/peco/peco/line"
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)
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// NewSelection creates a new empty Selection
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func NewSelection() *Selection {
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s := &Selection{}
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s.Reset()
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return s
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}
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// Add adds a new line to the selection. If the line already
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// exists in the selection, it is silently ignored
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func (s *Selection) Add(l line.Line) {
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s.mutex.Lock()
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defer s.mutex.Unlock()
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s.tree.ReplaceOrInsert(l)
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}
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func (s *Selection) Copy(dst *Selection) {
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s.Ascend(func(it btree.Item) bool {
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dst.Add(it.(line.Line))
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return true
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})
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}
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// Remove removes the specified line from the selection
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func (s *Selection) Remove(l line.Line) {
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s.mutex.Lock()
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defer s.mutex.Unlock()
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s.tree.Delete(l)
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}
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func (s *Selection) Reset() {
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s.mutex.Lock()
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defer s.mutex.Unlock()
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s.tree = btree.New(32)
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}
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func (s *Selection) Has(x line.Line) bool {
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s.mutex.Lock()
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defer s.mutex.Unlock()
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return s.tree.Has(x)
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}
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func (s *Selection) Len() int {
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s.mutex.Lock()
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defer s.mutex.Unlock()
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return s.tree.Len()
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}
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func (s *Selection) Ascend(i btree.ItemIterator) {
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s.mutex.Lock()
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defer s.mutex.Unlock()
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s.tree.Ascend(i)
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}
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