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// Copyright 2015 The Tcell Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use file except in compliance with the License.
// You may obtain a copy of the license at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package views
import (
"github.com/gdamore/tcell"
)
// Spacer is a Widget that occupies no visible real-estate. It is useful to
// add this to layouts when expansion space is required. It expands as needed
// with blank space.
type Spacer struct {
WidgetWatchers
}
// Draw is called to update the displayed content.
func (*Spacer) Draw() {}
// Size always returns 0, 0, since no size is ever *requird* to display nothing.
func (*Spacer) Size() (int, int) {
return 0, 0
}
// SetView sets the View object used for the text bar.
func (*Spacer) SetView(View) {}
// HandleEvent implements a tcell.EventHandler, but does nothing.
func (*Spacer) HandleEvent(tcell.Event) bool {
return false
}
// Resize is called when our View changes sizes.
func (s *Spacer) Resize() {
s.PostEventWidgetResize(s)
}
// NewSpacer creates an empty Spacer. It's probably easier just to declare it
// directly.
func NewSpacer() *Spacer {
return &Spacer{}
}
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