gomuks/ui/widget/border.go

51 lines
1.7 KiB
Go
Raw Normal View History

2018-03-15 18:45:52 +01:00
// gomuks - A terminal Matrix client written in Go.
// Copyright (C) 2018 Tulir Asokan
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
2018-03-18 20:24:03 +01:00
package widget
2018-03-15 18:45:52 +01:00
import (
"maunium.net/go/tcell"
2018-03-15 18:45:52 +01:00
"maunium.net/go/tview"
)
2018-03-22 22:03:36 +01:00
// Border is a simple tview widget that renders a horizontal or vertical bar.
//
// If the width of the box is 1, the bar will be vertical.
// If the height is 1, the bar will be horizontal.
// If the width nor the height are 1, nothing will be rendered.
2018-03-15 18:45:52 +01:00
type Border struct {
*tview.Box
}
2018-03-22 22:03:36 +01:00
// NewBorder wraps a new tview Box into a new Border.
2018-03-15 18:45:52 +01:00
func NewBorder() *Border {
return &Border{tview.NewBox()}
}
func (border *Border) Draw(screen tcell.Screen) {
background := tcell.StyleDefault.Background(border.GetBackgroundColor()).Foreground(border.GetBorderColor())
x, y, width, height := border.GetRect()
if width == 1 {
for borderY := y; borderY < y+height; borderY++ {
2018-11-13 23:00:35 +01:00
screen.SetContent(x, borderY, tview.Borders.Vertical, nil, background)
2018-03-15 18:45:52 +01:00
}
} else if height == 1 {
for borderX := x; borderX < x+width; borderX++ {
2018-11-13 23:00:35 +01:00
screen.SetContent(borderX, y, tview.Borders.Horizontal, nil, background)
2018-03-15 18:45:52 +01:00
}
}
}