51 lines
1.7 KiB
Go
51 lines
1.7 KiB
Go
// gomuks - A terminal Matrix client written in Go.
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// Copyright (C) 2018 Tulir Asokan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package widget
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import (
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"github.com/gdamore/tcell"
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"maunium.net/go/tview"
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)
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// Border is a simple tview widget that renders a horizontal or vertical bar.
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//
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// If the width of the box is 1, the bar will be vertical.
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// If the height is 1, the bar will be horizontal.
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// If the width nor the height are 1, nothing will be rendered.
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type Border struct {
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*tview.Box
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}
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// NewBorder wraps a new tview Box into a new Border.
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func NewBorder() *Border {
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return &Border{tview.NewBox()}
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}
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func (border *Border) Draw(screen tcell.Screen) {
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background := tcell.StyleDefault.Background(border.GetBackgroundColor()).Foreground(border.GetBorderColor())
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x, y, width, height := border.GetRect()
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if width == 1 {
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for borderY := y; borderY < y+height; borderY++ {
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screen.SetContent(x, borderY, tview.GraphicsVertBar, nil, background)
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}
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} else if height == 1 {
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for borderX := x; borderX < x+width; borderX++ {
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screen.SetContent(borderX, y, tview.GraphicsHoriBar, nil, background)
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}
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}
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}
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