80 lines
2.2 KiB
Go
80 lines
2.2 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 input
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import (
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"git.stormux.org/storm/fenrir/internal/interaction"
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"time"
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)
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// Capture changes ownership without forgetting physical keys. Keys held on
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// entry cannot navigate the UI; keys held on exit cannot repeat into a terminal.
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// Backends release previously forwarded keys before enabling capture.
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func (r *Router) Capture(enabled bool) {
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r.lastPress = time.Time{}
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r.captured = enabled
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r.capsUsed = true
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r.passArmed, r.passing = false, false
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for _, held := range r.keys {
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for code, state := range held {
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state.forwarded, state.ui = false, false
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state.commandID = ""
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held[code] = state
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}
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}
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}
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func (r *Router) Captured() bool { return r.captured }
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func (r *Router) ui_key(code uint16) Decision {
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key := &interaction.Key{
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Shift: r.down(KeyShift) || r.down(KeyRightShift),
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Ctrl: r.down(KeyCtrl) || r.down(KeyRightCtrl),
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Alt: r.down(KeyAlt), // Right Alt is text input (AltGr).
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AltGr: r.down(KeyRightAlt),
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}
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switch code {
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case KeyEsc:
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key.Name = "escape"
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case KeyTab:
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key.Name = "tab"
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case KeyEnter, KeyKPEnter:
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key.Name = "enter"
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case KeySpace:
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key.Name = "space"
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key.Text = " "
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case KeyUp:
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key.Name = "up"
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case KeyDown:
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key.Name = "down"
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case KeyLeft:
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key.Name = "left"
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case KeyRight:
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key.Name = "right"
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case KeyHome:
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key.Name = "home"
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case KeyEnd:
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key.Name = "end"
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case KeyBackspace:
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key.Name = "backspace"
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case KeyDelete:
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key.Name = "delete"
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}
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return Decision{UI: key, Interrupt: true}
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}
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