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| <section id='main' class="content"><pre class="line-numbers"><span id="1"> 1</span> |
| <span id="2"> 2</span> |
| <span id="3"> 3</span> |
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| </pre><pre class="rust "> |
| <span class="doccomment">//! Key constants</span> |
| |
| <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>, <span class="ident">Copy</span>, <span class="ident">PartialEq</span>, <span class="ident">Eq</span>, <span class="ident">Hash</span>)]</span> |
| <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">KeyPress</span> { |
| <span class="ident">UnknownEscSeq</span>, |
| <span class="ident">Backspace</span>, |
| <span class="ident">Char</span>(<span class="ident">char</span>), |
| <span class="ident">Ctrl</span>(<span class="ident">char</span>), |
| <span class="ident">Delete</span>, |
| <span class="ident">Down</span>, |
| <span class="ident">End</span>, |
| <span class="ident">Enter</span>, <span class="comment">// Ctrl('M')</span> |
| <span class="ident">Esc</span>, |
| <span class="ident">Home</span>, |
| <span class="ident">Left</span>, |
| <span class="ident">Meta</span>(<span class="ident">char</span>), |
| <span class="ident">Null</span>, |
| <span class="ident">PageDown</span>, |
| <span class="ident">PageUp</span>, |
| <span class="ident">Right</span>, |
| <span class="ident">Tab</span>, <span class="comment">// Ctrl('I')</span> |
| <span class="ident">Up</span>, |
| } |
| |
| <span class="attribute">#[<span class="ident">allow</span>(<span class="ident">match_same_arms</span>)]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">char_to_key_press</span>(<span class="ident">c</span>: <span class="ident">char</span>) <span class="op">-></span> <span class="ident">KeyPress</span> { |
| <span class="kw">if</span> <span class="op">!</span><span class="ident">c</span>.<span class="ident">is_control</span>() { |
| <span class="kw">return</span> <span class="ident">KeyPress</span>::<span class="ident">Char</span>(<span class="ident">c</span>); |
| } |
| <span class="kw">match</span> <span class="ident">c</span> { |
| <span class="string">'\x00'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Null</span>, |
| <span class="string">'\x01'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'A'</span>), |
| <span class="string">'\x02'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'B'</span>), |
| <span class="string">'\x03'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'C'</span>), |
| <span class="string">'\x04'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'D'</span>), |
| <span class="string">'\x05'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'E'</span>), |
| <span class="string">'\x06'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'F'</span>), |
| <span class="string">'\x07'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'G'</span>), |
| <span class="string">'\x08'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Backspace</span>, <span class="comment">// '\b'</span> |
| <span class="string">'\x09'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Tab</span>, |
| <span class="string">'\x0a'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'J'</span>), <span class="comment">// '\n' (10)</span> |
| <span class="string">'\x0b'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'K'</span>), |
| <span class="string">'\x0c'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'L'</span>), |
| <span class="string">'\x0d'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Enter</span>, <span class="comment">// '\r' (13)</span> |
| <span class="string">'\x0e'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'N'</span>), |
| <span class="string">'\x10'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'P'</span>), |
| <span class="string">'\x12'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'R'</span>), |
| <span class="string">'\x13'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'S'</span>), |
| <span class="string">'\x14'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'T'</span>), |
| <span class="string">'\x15'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'U'</span>), |
| <span class="string">'\x16'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'V'</span>), |
| <span class="string">'\x17'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'W'</span>), |
| <span class="string">'\x19'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'Y'</span>), |
| <span class="string">'\x1a'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Ctrl</span>(<span class="string">'Z'</span>), |
| <span class="string">'\x1b'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Esc</span>, |
| <span class="string">'\x7f'</span> <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Backspace</span>, |
| _ <span class="op">=></span> <span class="ident">KeyPress</span>::<span class="ident">Null</span>, |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span> |
| <span class="kw">mod</span> <span class="ident">tests</span> { |
| <span class="kw">use</span> <span class="kw">super</span>::{<span class="ident">char_to_key_press</span>, <span class="ident">KeyPress</span>}; |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">char_to_key</span>() { |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">KeyPress</span>::<span class="ident">Esc</span>, <span class="ident">char_to_key_press</span>(<span class="string">'\x1b'</span>)); |
| } |
| } |
| </pre> |
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