75 lines
2.3 KiB
Go
75 lines
2.3 KiB
Go
// gomuks - A terminal Matrix client written in Go.
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// Copyright (C) 2019 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 Affero 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package widget
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import (
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"fmt"
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"strconv"
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"github.com/mattn/go-runewidth"
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"maunium.net/go/mauview"
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"maunium.net/go/tcell"
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)
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func WriteLineSimple(screen mauview.Screen, line string, x, y int) {
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WriteLine(screen, mauview.AlignLeft, line, x, y, 1<<30, tcell.StyleDefault)
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}
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func WriteLineSimpleColor(screen mauview.Screen, line string, x, y int, color tcell.Color) {
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WriteLine(screen, mauview.AlignLeft, line, x, y, 1<<30, tcell.StyleDefault.Foreground(color))
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}
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func WriteLineColor(screen mauview.Screen, align int, line string, x, y, maxWidth int, color tcell.Color) {
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WriteLine(screen, align, line, x, y, maxWidth, tcell.StyleDefault.Foreground(color))
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}
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func WriteLine(screen mauview.Screen, align int, line string, x, y, maxWidth int, style tcell.Style) {
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offsetX := 0
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if align == mauview.AlignRight {
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// TODO is mauview.StringWidth correct here?
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offsetX = maxWidth - mauview.StringWidth(line)
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}
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if offsetX < 0 {
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offsetX = 0
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}
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for _, ch := range line {
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chWidth := runewidth.RuneWidth(ch)
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if chWidth == 0 {
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continue
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}
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for localOffset := 0; localOffset < chWidth; localOffset++ {
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screen.SetContent(x+offsetX+localOffset, y, ch, nil, style)
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}
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offsetX += chWidth
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if offsetX >= maxWidth {
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break
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}
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}
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}
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func WriteLinePadded(screen mauview.Screen, align int, line string, x, y, maxWidth int, style tcell.Style) {
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padding := strconv.Itoa(maxWidth)
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if align == mauview.AlignRight {
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line = fmt.Sprintf("%"+padding+"s", line)
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} else {
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line = fmt.Sprintf("%-"+padding+"s", line)
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}
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WriteLine(screen, mauview.AlignLeft, line, x, y, maxWidth, style)
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}
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