92 lines
2.5 KiB
Go
92 lines
2.5 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 interaction
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import (
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"git.stormux.org/storm/fenrir/internal/i18n"
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"strings"
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"unicode"
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)
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func (s *Session) edit(control *Control, key Key) Result {
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runes := []rune(control.Text)
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if key.Ctrl {
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if strings.EqualFold(key.Text, "a") {
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s.selectAll = true
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return Result{Speech: i18n.T("selected") + " " + control.Text}
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}
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return Result{}
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}
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switch key.Name {
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case "enter":
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return Result{Action: control.Action}
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case "left":
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s.cursor = max(0, s.cursor-1)
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s.selectAll = false
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case "right":
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s.cursor = min(len(runes), s.cursor+1)
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s.selectAll = false
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case "home":
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s.cursor = 0
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s.selectAll = false
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case "end":
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s.cursor = len(runes)
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s.selectAll = false
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case "backspace", "delete":
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if s.selectAll {
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runes = nil
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s.cursor = 0
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} else if key.Name == "backspace" && s.cursor > 0 {
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runes = append(runes[:s.cursor-1], runes[s.cursor:]...)
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s.cursor--
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} else if key.Name == "delete" && s.cursor < len(runes) {
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runes = append(runes[:s.cursor], runes[s.cursor+1:]...)
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}
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s.selectAll = false
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default:
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text := []rune(key.Text)
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if len(text) == 0 {
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return Result{}
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}
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for _, char := range text {
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if !unicode.IsPrint(char) {
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return Result{}
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}
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}
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length := len(runes)
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if s.selectAll {
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length = 0
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}
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if length+len(text) > 4096 {
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return Result{}
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}
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if s.selectAll {
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runes = nil
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s.cursor = 0
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}
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runes = append(runes[:s.cursor], append(text, runes[s.cursor:]...)...)
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s.cursor += len(text)
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s.selectAll = false
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}
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control.Text = string(runes)
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if (key.Name == "left" || key.Name == "right" || key.Name == "home" || key.Name == "end") && s.cursor < len(runes) {
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return Result{Speech: string(runes[s.cursor])}
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}
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return Result{Speech: s.Describe()}
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}
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