40 lines
945 B
Rust
40 lines
945 B
Rust
// SPDX-License-Identifier: MPL-2.0
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use aster_console::{
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font::BitmapFont,
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mode::{ConsoleMode, KeyboardMode},
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AnyConsoleDevice, ConsoleCallback, ConsoleSetFontError,
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};
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/// A dummy console device.
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///
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/// This is used when no framebuffer is available. All operations are no-ops.
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#[derive(Debug)]
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pub struct DummyFramebufferConsole;
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impl AnyConsoleDevice for DummyFramebufferConsole {
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fn send(&self, _buf: &[u8]) {}
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fn register_callback(&self, _callback: &'static ConsoleCallback) {}
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fn set_font(&self, _font: BitmapFont) -> Result<(), ConsoleSetFontError> {
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Err(ConsoleSetFontError::InappropriateDevice)
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}
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fn set_mode(&self, _mode: ConsoleMode) -> bool {
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false
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}
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fn mode(&self) -> Option<ConsoleMode> {
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None
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}
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fn set_keyboard_mode(&self, _mode: KeyboardMode) -> bool {
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false
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}
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fn keyboard_mode(&self) -> Option<KeyboardMode> {
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None
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}
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}
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