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Merge pull request #32 from bcicen/skip-erase-on-nil-height 

skip line erasing on render when window size is not yet available
This commit is contained in:
Masashi SHIBATA 2018-02-13 22:01:18 +09:00 committed by GitHub
parent 79dd0f2831 5f82ed8527
commit 5212a86596
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 10 deletions
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22
render.go
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@ -154,7 +154,7 @@ func (r *Render) renderCompletion(buf *Buffer, completions *CompletionManager) {
// +1 means a width of scrollbar.
r.out.CursorBackward(width + 1)
}
if d == 0 && len(prefix) + len(buf.Text()) != 0 { // the cursor is on right end.
if d == 0 && len(prefix)+len(buf.Text()) != 0 { // the cursor is on right end.
// DON'T CURSOR DOWN HERE. Because the line doesn't erase properly.
r.out.CursorForward(width + 1)
} else if d+width > int(r.col) {
@ -168,18 +168,20 @@ func (r *Render) renderCompletion(buf *Buffer, completions *CompletionManager) {
// Render renders to the console.
func (r *Render) Render(buffer *Buffer, completion *CompletionManager) {
line := buffer.Text()
prefix := r.getCurrentPrefix()
// Erasing
r.out.CursorBackward(int(r.col) + len(buffer.Text()) + len(prefix))
r.out.EraseDown()
if r.col > 0 {
// Erasing
r.out.CursorBackward(int(r.col) + len(line) + len(prefix))
r.out.EraseDown()
// prepare area
line := buffer.Text()
h := ((len(prefix) + len(line)) / int(r.col)) + 1 + int(completion.max)
if h > int(r.row) || completionMargin > int(r.col) {
r.renderWindowTooSmall()
return
// prepare area
h := ((len(prefix) + len(line)) / int(r.col)) + 1 + int(completion.max)
if h > int(r.row) || completionMargin > int(r.col) {
r.renderWindowTooSmall()
return
}
}
// Rendering