50 lines
1.5 KiB
Go
50 lines
1.5 KiB
Go
// Fenrir console screen reader.
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// Copyright (c) 2026 Storm Dragon
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// SPDX-License-Identifier: GPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by the Free
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// Software Foundation, either version 3 of the License, or (at your option)
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// any later version.
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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// more details.
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//
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// You should have received a copy of the GNU General Public License along with
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// this program. If not, see <https://www.gnu.org/licenses/gpl-3.0.html>.
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// Package screen describes the visible cells of one terminal session.
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package screen
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import "strings"
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type Snapshot struct {
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Terminal int
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// Generation changes when a terminal replaces its logical screen buffer.
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Generation uint64
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Active bool
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NumLock bool
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CapsLock bool
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Rows, Cols int
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X, Y int
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Cells []rune
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// Attributes is either absent or has one entry per cell. Both adapters keep
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// visual changes even when the text and hardware cursor stay unchanged.
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Attributes []Attribute
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}
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type Attribute struct {
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Foreground, Background uint32
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Style uint32
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}
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func (s Snapshot) Line(row int) []rune {
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return s.Cells[row*s.Cols : (row+1)*s.Cols]
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}
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func (s Snapshot) Text(row int) string {
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return strings.TrimRight(string(s.Line(row)), " \x00")
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}
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