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// gomuks - A terminal Matrix client written in Go.
// Copyright (C) 2020 Tulir Asokan
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package widget
import (
"fmt"
"strconv"
"github.com/mattn/go-runewidth"
"maunium.net/go/mauview"
"maunium.net/go/tcell"
)
func WriteLineSimple(screen mauview.Screen, line string, x, y int) {
WriteLine(screen, mauview.AlignLeft, line, x, y, 1<<30, tcell.StyleDefault)
}
func WriteLineSimpleColor(screen mauview.Screen, line string, x, y int, color tcell.Color) {
WriteLine(screen, mauview.AlignLeft, line, x, y, 1<<30, tcell.StyleDefault.Foreground(color))
}
func WriteLineColor(screen mauview.Screen, align int, line string, x, y, maxWidth int, color tcell.Color) {
WriteLine(screen, align, line, x, y, maxWidth, tcell.StyleDefault.Foreground(color))
}
func WriteLine(screen mauview.Screen, align int, line string, x, y, maxWidth int, style tcell.Style) {
offsetX := 0
if align == mauview.AlignRight {
// TODO is mauview.StringWidth correct here?
offsetX = maxWidth - mauview.StringWidth(line)
}
if offsetX < 0 {
offsetX = 0
}
for _, ch := range line {
chWidth := runewidth.RuneWidth(ch)
if chWidth == 0 {
continue
}
for localOffset := 0; localOffset < chWidth; localOffset++ {
screen.SetContent(x+offsetX+localOffset, y, ch, nil, style)
}
offsetX += chWidth
if offsetX >= maxWidth {
break
}
}
}
func WriteLinePadded(screen mauview.Screen, align int, line string, x, y, maxWidth int, style tcell.Style) {
padding := strconv.Itoa(maxWidth)
if align == mauview.AlignRight {
line = fmt.Sprintf("%"+padding+"s", line)
} else {
line = fmt.Sprintf("%-"+padding+"s", line)
}
WriteLine(screen, mauview.AlignLeft, line, x, y, maxWidth, style)
}
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