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March 3, 2014 17:27
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| <h2></h2> | |
| <div class="highlight"><pre><span class="k">implement</span> <span class="n">Ninewin</span><span class="p">;</span> | |
| <span class="k">include</span> <span class="s">"sys.m"</span><span class="p">;</span> | |
| <span class="n">sys</span><span class="o">:</span> <span class="n">Sys</span><span class="p">;</span> | |
| <span class="k">include</span> <span class="s">"draw.m"</span><span class="p">;</span> | |
| <span class="n">draw</span><span class="o">:</span> <span class="n">Draw</span><span class="p">;</span> | |
| <span class="n">Image</span><span class="p">,</span> <span class="n">Display</span><span class="p">,</span> <span class="n">Pointer</span><span class="o">:</span> <span class="k">import</span> <span class="n">draw</span><span class="p">;</span> | |
| <span class="k">include</span> <span class="s">"arg.m"</span><span class="p">;</span> | |
| <span class="k">include</span> <span class="s">"keyboard.m"</span><span class="p">;</span> | |
| <span class="k">include</span> <span class="s">"tk.m"</span><span class="p">;</span> | |
| <span class="k">include</span> <span class="s">"wmclient.m"</span><span class="p">;</span> | |
| <span class="n">wmclient</span><span class="o">:</span> <span class="n">Wmclient</span><span class="p">;</span> | |
| <span class="n">Window</span><span class="o">:</span> <span class="k">import</span> <span class="n">wmclient</span><span class="p">;</span> | |
| <span class="k">include</span> <span class="s">"sh.m"</span><span class="p">;</span> | |
| <span class="n">sh</span><span class="o">:</span> <span class="n">Sh</span><span class="p">;</span> | |
| <span class="c1"># run a p9 graphics program (default rio) under inferno wm,</span> | |
| <span class="c1"># making available to it:</span> | |
| <span class="c1"># /dev/winname - naming the current inferno window (changing on resize)</span> | |
| <span class="c1"># /dev/mouse - pointer file + resize events; write to change position</span> | |
| <span class="c1"># /dev/cursor - change appearance of cursor.</span> | |
| <span class="c1"># /dev/draw - inferno draw device</span> | |
| <span class="c1"># /dev/cons - read keyboard events, write to 9win stdout.</span> | |
| <span class="n">Ninewin</span><span class="o">:</span> <span class="kt">module</span> <span class="p">{</span> | |
| <span class="n">init</span><span class="o">:</span> <span class="kt">fn</span><span class="p">(</span><span class="n">ctxt</span><span class="o">:</span> <span class="kt">ref</span> <span class="n">Draw</span><span class="o">-></span><span class="n">Context</span><span class="p">,</span> <span class="n">argv</span><span class="o">:</span> <span class="kt">list</span> <span class="kt">of</span> <span class="kt">string</span><span class="p">);</span> | |
| <span class="p">};</span> | |
| <span class="n">winname</span><span class="o">:</span> <span class="kt">string</span><span class="p">;</span> | |
| <span class="n">init</span><span class="p">(</span><span class="n">ctxt</span><span class="o">:</span> <span class="kt">ref</span> <span class="n">Draw</span><span class="o">-></span><span class="n">Context</span><span class="p">,</span> <span class="n">argv</span><span class="o">:</span> <span class="kt">list</span> <span class="kt">of</span> <span class="kt">string</span><span class="p">)</span> | |
| <span class="p">{</span> | |
| <span class="n">size</span> <span class="o">:=</span> <span class="n">Draw</span><span class="o">-></span><span class="n">Point</span><span class="p">(</span><span class="mi">500</span><span class="p">,</span> <span class="mi">500</span><span class="p">);</span> | |
| <span class="n">sys</span> <span class="o">=</span> <span class="k">load</span> <span class="n">Sys</span> <span class="n">Sys</span><span class="o">-></span><span class="n">PATH</span><span class="p">;</span> | |
| <span class="n">draw</span> <span class="o">=</span> <span class="k">load</span> <span class="n">Draw</span> <span class="n">Draw</span><span class="o">-></span><span class="n">PATH</span><span class="p">;</span> | |
| <span class="n">wmclient</span> <span class="o">=</span> <span class="k">load</span> <span class="n">Wmclient</span> <span class="n">Wmclient</span><span class="o">-></span><span class="n">PATH</span><span class="p">;</span> | |
| <span class="n">wmclient</span><span class="o">-></span><span class="n">init</span><span class="p">();</span> | |
| <span class="n">sh</span> <span class="o">=</span> <span class="k">load</span> <span class="n">Sh</span> <span class="n">Sh</span><span class="o">-></span><span class="n">PATH</span><span class="p">;</span> | |
| <span class="n">buts</span> <span class="o">:=</span> <span class="n">Wmclient</span><span class="o">-></span><span class="n">Resize</span><span class="p">;</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">ctxt</span> <span class="o">==</span> <span class="kc">nil</span><span class="p">){</span> | |
| <span class="n">ctxt</span> <span class="o">=</span> <span class="n">wmclient</span><span class="o">-></span><span class="n">makedrawcontext</span><span class="p">();</span> | |
| <span class="n">buts</span> <span class="o">=</span> <span class="n">Wmclient</span><span class="o">-></span><span class="n">Plain</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="n">arg</span> <span class="o">:=</span> <span class="k">load</span> <span class="n">Arg</span> <span class="n">Arg</span><span class="o">-></span><span class="n">PATH</span><span class="p">;</span> | |
| <span class="n">arg</span><span class="o">-></span><span class="n">init</span><span class="p">(</span><span class="n">argv</span><span class="p">);</span> | |
| <span class="n">arg</span><span class="o">-></span><span class="n">setusage</span><span class="p">(</span><span class="s">"9win [-s] [-x width] [-y height]"</span><span class="p">);</span> | |
| <span class="n">exportonly</span> <span class="o">:=</span> <span class="mi">0</span><span class="p">;</span> | |
| <span class="k">while</span><span class="p">(((</span><span class="n">opt</span> <span class="o">:=</span> <span class="n">arg</span><span class="o">-></span><span class="n">opt</span><span class="p">()))</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">){</span> | |
| <span class="k">case</span> <span class="n">opt</span> <span class="p">{</span> | |
| <span class="sc">'s'</span> <span class="o">=></span> | |
| <span class="n">exportonly</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> | |
| <span class="sc">'x'</span> <span class="o">=></span> | |
| <span class="n">size</span><span class="p">.</span><span class="n">x</span> <span class="o">=</span> <span class="kt">int</span> <span class="n">arg</span><span class="o">-></span><span class="n">earg</span><span class="p">();</span> | |
| <span class="sc">'y'</span> <span class="o">=></span> | |
| <span class="n">size</span><span class="p">.</span><span class="n">y</span> <span class="o">=</span> <span class="kt">int</span> <span class="n">arg</span><span class="o">-></span><span class="n">earg</span><span class="p">();</span> | |
| <span class="o">*</span> <span class="o">=></span> | |
| <span class="n">arg</span><span class="o">-></span><span class="n">usage</span><span class="p">();</span> | |
| <span class="p">}</span> | |
| <span class="p">}</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">size</span><span class="p">.</span><span class="n">x</span> <span class="o"><</span> <span class="mi">1</span> <span class="o">||</span> <span class="n">size</span><span class="p">.</span><span class="n">y</span> <span class="o"><</span> <span class="mi">1</span><span class="p">)</span> | |
| <span class="n">arg</span><span class="o">-></span><span class="n">usage</span><span class="p">();</span> | |
| <span class="n">argv</span> <span class="o">=</span> <span class="n">arg</span><span class="o">-></span><span class="n">argv</span><span class="p">();</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">argv</span> <span class="o">!=</span> <span class="kc">nil</span> <span class="o">&&</span> <span class="k">hd</span> <span class="n">argv</span> <span class="o">==</span> <span class="s">"-s"</span><span class="p">){</span> | |
| <span class="n">exportonly</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> | |
| <span class="n">argv</span> <span class="o">=</span> <span class="k">tl</span> <span class="n">argv</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">argv</span> <span class="o">==</span> <span class="kc">nil</span> <span class="o">&&</span> <span class="o">!</span><span class="n">exportonly</span><span class="p">)</span> | |
| <span class="n">argv</span> <span class="o">=</span> <span class="s">"rio"</span> <span class="o">::</span> <span class="kc">nil</span><span class="p">;</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">argv</span> <span class="o">!=</span> <span class="kc">nil</span> <span class="o">&&</span> <span class="n">exportonly</span><span class="p">){</span> | |
| <span class="n">sys</span><span class="o">-></span><span class="n">fprint</span><span class="p">(</span><span class="n">sys</span><span class="o">-></span><span class="n">fildes</span><span class="p">(</span><span class="mi">2</span><span class="p">),</span> <span class="s">"9win: no command allowed with -s flag</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> | |
| <span class="n">raise</span> <span class="s">"fail:usage"</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="n">title</span> <span class="o">:=</span> <span class="s">"9win"</span><span class="p">;</span> | |
| <span class="k">if</span><span class="p">(</span><span class="o">!</span><span class="n">exportonly</span><span class="p">)</span> | |
| <span class="n">title</span> <span class="o">+=</span> <span class="s">" "</span> <span class="o">+</span> <span class="k">hd</span> <span class="n">argv</span><span class="p">;</span> | |
| <span class="n">w</span> <span class="o">:=</span> <span class="n">wmclient</span><span class="o">-></span><span class="n">window</span><span class="p">(</span><span class="n">ctxt</span><span class="p">,</span> <span class="n">title</span><span class="p">,</span> <span class="n">buts</span><span class="p">);</span> | |
| <span class="n">w</span><span class="p">.</span><span class="n">reshape</span><span class="p">(((</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">size</span><span class="p">));</span> | |
| <span class="n">w</span><span class="p">.</span><span class="n">onscreen</span><span class="p">(</span><span class="kc">nil</span><span class="p">);</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">w</span><span class="p">.</span><span class="n">image</span> <span class="o">==</span> <span class="kc">nil</span><span class="p">){</span> | |
| <span class="n">sys</span><span class="o">-></span><span class="n">fprint</span><span class="p">(</span><span class="n">sys</span><span class="o">-></span><span class="n">fildes</span><span class="p">(</span><span class="mi">2</span><span class="p">),</span> <span class="s">"9win: cannot get image to draw on</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> | |
| <span class="n">raise</span> <span class="s">"fail:no window"</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="n">sys</span><span class="o">-></span><span class="n">pctl</span><span class="p">(</span><span class="n">Sys</span><span class="o">-></span><span class="n">FORKNS</span><span class="o">|</span><span class="n">Sys</span><span class="o">-></span><span class="n">NEWPGRP</span><span class="p">,</span> <span class="kc">nil</span><span class="p">);</span> | |
| <span class="n">ld</span> <span class="o">:=</span> <span class="s">"/n/9win"</span><span class="p">;</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">sys</span><span class="o">-></span><span class="n">bind</span><span class="p">(</span><span class="s">"#s"</span><span class="p">,</span> <span class="n">ld</span><span class="p">,</span> <span class="n">Sys</span><span class="o">-></span><span class="n">MREPL</span><span class="p">)</span> <span class="o">==</span> <span class="o">-</span><span class="mi">1</span> <span class="o">&&</span> | |
| <span class="n">sys</span><span class="o">-></span><span class="n">bind</span><span class="p">(</span><span class="s">"#s"</span><span class="p">,</span> <span class="n">ld</span> <span class="o">=</span> <span class="s">"/n/local"</span><span class="p">,</span> <span class="n">Sys</span><span class="o">-></span><span class="n">MREPL</span><span class="p">)</span> <span class="o">==</span> <span class="o">-</span><span class="mi">1</span><span class="p">){</span> | |
| <span class="n">sys</span><span class="o">-></span><span class="n">fprint</span><span class="p">(</span><span class="n">sys</span><span class="o">-></span><span class="n">fildes</span><span class="p">(</span><span class="mi">2</span><span class="p">),</span> <span class="s">"9win: cannot bind files: %r</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> | |
| <span class="n">raise</span> <span class="s">"fail:error"</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="n">w</span><span class="p">.</span><span class="n">startinput</span><span class="p">(</span><span class="s">"kbd"</span> <span class="o">::</span> <span class="s">"ptr"</span> <span class="o">::</span> <span class="kc">nil</span><span class="p">);</span> | |
| <span class="k">spawn</span> <span class="n">ptrproc</span><span class="p">(</span><span class="n">rq</span> <span class="o">:=</span> <span class="kt">chan</span> <span class="kt">of</span> <span class="n">Sys</span><span class="o">-></span><span class="n">Rread</span><span class="p">,</span> <span class="n">ptr</span> <span class="o">:=</span> <span class="kt">chan</span><span class="p">[</span><span class="mi">10</span><span class="p">]</span> <span class="kt">of</span> <span class="kt">ref</span> <span class="n">Pointer</span><span class="p">,</span> <span class="n">reshape</span> <span class="o">:=</span> <span class="kt">chan</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="kt">of</span> <span class="kt">int</span><span class="p">);</span> | |
| <span class="n">fwinname</span> <span class="o">:=</span> <span class="n">sys</span><span class="o">-></span><span class="n">file2chan</span><span class="p">(</span><span class="n">ld</span><span class="p">,</span> <span class="s">"winname"</span><span class="p">);</span> | |
| <span class="n">fconsctl</span> <span class="o">:=</span> <span class="n">sys</span><span class="o">-></span><span class="n">file2chan</span><span class="p">(</span><span class="n">ld</span><span class="p">,</span> <span class="s">"consctl"</span><span class="p">);</span> | |
| <span class="n">fcons</span> <span class="o">:=</span> <span class="n">sys</span><span class="o">-></span><span class="n">file2chan</span><span class="p">(</span><span class="n">ld</span><span class="p">,</span> <span class="s">"cons"</span><span class="p">);</span> | |
| <span class="n">fmouse</span> <span class="o">:=</span> <span class="n">sys</span><span class="o">-></span><span class="n">file2chan</span><span class="p">(</span><span class="n">ld</span><span class="p">,</span> <span class="s">"mouse"</span><span class="p">);</span> | |
| <span class="n">fcursor</span> <span class="o">:=</span> <span class="n">sys</span><span class="o">-></span><span class="n">file2chan</span><span class="p">(</span><span class="n">ld</span><span class="p">,</span> <span class="s">"cursor"</span><span class="p">);</span> | |
| <span class="k">if</span><span class="p">(</span><span class="o">!</span><span class="n">exportonly</span><span class="p">){</span> | |
| <span class="k">spawn</span> <span class="n">run</span><span class="p">(</span><span class="n">sync</span> <span class="o">:=</span> <span class="kt">chan</span> <span class="kt">of</span> <span class="kt">string</span><span class="p">,</span> <span class="n">w</span><span class="p">.</span><span class="n">ctl</span><span class="p">,</span> <span class="n">ld</span><span class="p">,</span> <span class="n">argv</span><span class="p">);</span> | |
| <span class="k">if</span><span class="p">((</span><span class="n">e</span> <span class="o">:=</span> <span class="o"><-</span><span class="n">sync</span><span class="p">)</span> <span class="o">!=</span> <span class="kc">nil</span><span class="p">){</span> | |
| <span class="n">sys</span><span class="o">-></span><span class="n">fprint</span><span class="p">(</span><span class="n">sys</span><span class="o">-></span><span class="n">fildes</span><span class="p">(</span><span class="mi">2</span><span class="p">),</span> <span class="s">"9win: %s"</span><span class="p">,</span> <span class="n">e</span><span class="p">);</span> | |
| <span class="n">raise</span> <span class="s">"fail:error"</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="p">}</span> | |
| <span class="k">spawn</span> <span class="n">serveproc</span><span class="p">(</span><span class="n">w</span><span class="p">,</span> <span class="n">rq</span><span class="p">,</span> <span class="n">fwinname</span><span class="p">,</span> <span class="n">fconsctl</span><span class="p">,</span> <span class="n">fcons</span><span class="p">,</span> <span class="n">fmouse</span><span class="p">,</span> <span class="n">fcursor</span><span class="p">);</span> | |
| <span class="k">if</span><span class="p">(</span><span class="o">!</span><span class="n">exportonly</span><span class="p">){</span> | |
| <span class="c1"># handle events synchronously so that we don't get a "killed" message</span> | |
| <span class="c1"># from the shell.</span> | |
| <span class="n">handleevents</span><span class="p">(</span><span class="n">w</span><span class="p">,</span> <span class="n">ptr</span><span class="p">,</span> <span class="n">reshape</span><span class="p">);</span> | |
| <span class="p">}</span><span class="k">else</span><span class="p">{</span> | |
| <span class="k">spawn</span> <span class="n">handleevents</span><span class="p">(</span><span class="n">w</span><span class="p">,</span> <span class="n">ptr</span><span class="p">,</span> <span class="n">reshape</span><span class="p">);</span> | |
| <span class="n">sys</span><span class="o">-></span><span class="n">bind</span><span class="p">(</span><span class="n">ld</span><span class="p">,</span> <span class="s">"/dev"</span><span class="p">,</span> <span class="n">Sys</span><span class="o">-></span><span class="n">MBEFORE</span><span class="p">);</span> | |
| <span class="n">export</span><span class="p">(</span><span class="n">sys</span><span class="o">-></span><span class="n">fildes</span><span class="p">(</span><span class="mi">0</span><span class="p">),</span> <span class="n">w</span><span class="p">.</span><span class="n">ctl</span><span class="p">);</span> | |
| <span class="p">}</span> | |
| <span class="p">}</span> | |
| <span class="n">handleevents</span><span class="p">(</span><span class="n">w</span><span class="o">:</span> <span class="kt">ref</span> <span class="n">Window</span><span class="p">,</span> <span class="n">ptr</span><span class="o">:</span> <span class="kt">chan</span> <span class="kt">of</span> <span class="kt">ref</span> <span class="n">Pointer</span><span class="p">,</span> <span class="n">reshape</span><span class="o">:</span> <span class="kt">chan</span> <span class="kt">of</span> <span class="kt">int</span><span class="p">)</span> | |
| <span class="p">{</span> | |
| <span class="n">for</span><span class="p">(;;)</span><span class="k">alt</span><span class="p">{</span> | |
| <span class="n">c</span> <span class="o">:=</span> <span class="o"><-</span><span class="n">w</span><span class="p">.</span><span class="n">ctxt</span><span class="p">.</span><span class="n">ctl</span> <span class="n">or</span> | |
| <span class="n">c</span> <span class="o">=</span> <span class="o"><-</span><span class="n">w</span><span class="p">.</span><span class="n">ctl</span> <span class="o">=></span> | |
| <span class="n">e</span> <span class="o">:=</span> <span class="n">w</span><span class="p">.</span><span class="n">wmctl</span><span class="p">(</span><span class="n">c</span><span class="p">);</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">e</span> <span class="o">!=</span> <span class="kc">nil</span><span class="p">)</span> | |
| <span class="n">sys</span><span class="o">-></span><span class="n">fprint</span><span class="p">(</span><span class="n">sys</span><span class="o">-></span><span class="n">fildes</span><span class="p">(</span><span class="mi">2</span><span class="p">),</span> <span class="s">"9win: ctl error: %s</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">e</span><span class="p">);</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">e</span> <span class="o">==</span> <span class="kc">nil</span> <span class="o">&&</span> <span class="n">c</span> <span class="o">!=</span> <span class="kc">nil</span> <span class="o">&&</span> <span class="n">c</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="sc">'!'</span><span class="p">){</span> | |
| <span class="k">alt</span><span class="p">{</span> | |
| <span class="n">reshape</span> <span class="o"><-=</span> <span class="mi">1</span> <span class="o">=></span> | |
| <span class="p">;</span> | |
| <span class="o">*</span> <span class="o">=></span> | |
| <span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="n">winname</span> <span class="o">=</span> <span class="kc">nil</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="n">p</span> <span class="o">:=</span> <span class="o"><-</span><span class="n">w</span><span class="p">.</span><span class="n">ctxt</span><span class="p">.</span><span class="n">ptr</span> <span class="o">=></span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">w</span><span class="p">.</span><span class="n">pointer</span><span class="p">(</span><span class="o">*</span><span class="n">p</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">){</span> | |
| <span class="c1"># XXX would block here if client isn't reading mouse... but we do want to</span> | |
| <span class="c1"># extert back-pressure, which conflicts.</span> | |
| <span class="k">alt</span><span class="p">{</span> | |
| <span class="n">ptr</span> <span class="o"><-=</span> <span class="n">p</span> <span class="o">=></span> | |
| <span class="p">;</span> | |
| <span class="o">*</span> <span class="o">=></span> | |
| <span class="p">;</span> <span class="c1"># sys->fprint(sys->fildes(2), "9win: discarding mouse event\n");</span> | |
| <span class="p">}</span> | |
| <span class="p">}</span> | |
| <span class="p">}</span> | |
| <span class="p">}</span> | |
| <span class="n">serveproc</span><span class="p">(</span><span class="n">w</span><span class="o">:</span> <span class="kt">ref</span> <span class="n">Window</span><span class="p">,</span> <span class="n">mouserq</span><span class="o">:</span> <span class="kt">chan</span> <span class="kt">of</span> <span class="n">Sys</span><span class="o">-></span><span class="n">Rread</span><span class="p">,</span> <span class="n">fwinname</span><span class="p">,</span> <span class="n">fconsctl</span><span class="p">,</span> <span class="n">fcons</span><span class="p">,</span> <span class="n">fmouse</span><span class="p">,</span> <span class="n">fcursor</span><span class="o">:</span> <span class="kt">ref</span> <span class="n">Sys</span><span class="o">-></span><span class="n">FileIO</span><span class="p">)</span> | |
| <span class="p">{</span> | |
| <span class="n">winid</span> <span class="o">:=</span> <span class="mi">0</span><span class="p">;</span> | |
| <span class="n">krc</span><span class="o">:</span> <span class="kt">list</span> <span class="kt">of</span> <span class="n">Sys</span><span class="o">-></span><span class="n">Rread</span><span class="p">;</span> | |
| <span class="n">ks</span><span class="o">:</span> <span class="kt">string</span><span class="p">;</span> | |
| <span class="n">for</span><span class="p">(;;)</span><span class="k">alt</span> <span class="p">{</span> | |
| <span class="n">c</span> <span class="o">:=</span> <span class="o"><-</span><span class="n">w</span><span class="p">.</span><span class="n">ctxt</span><span class="p">.</span><span class="n">kbd</span> <span class="o">=></span> | |
| <span class="n">ks</span><span class="p">[</span><span class="k">len</span> <span class="n">ks</span><span class="p">]</span> <span class="o">=</span> <span class="n">inf2p9key</span><span class="p">(</span><span class="n">c</span><span class="p">);</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">krc</span> <span class="o">!=</span> <span class="kc">nil</span><span class="p">){</span> | |
| <span class="k">hd</span> <span class="n">krc</span> <span class="o"><-=</span> <span class="p">(</span><span class="kt">array</span> <span class="kt">of</span> <span class="kt">byte</span> <span class="n">ks</span><span class="p">,</span> <span class="kc">nil</span><span class="p">);</span> | |
| <span class="n">ks</span> <span class="o">=</span> <span class="kc">nil</span><span class="p">;</span> | |
| <span class="n">krc</span> <span class="o">=</span> <span class="k">tl</span> <span class="n">krc</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="p">(</span><span class="kc">nil</span><span class="p">,</span> <span class="n">d</span><span class="p">,</span> <span class="kc">nil</span><span class="p">,</span> <span class="n">wc</span><span class="p">)</span> <span class="o">:=</span> <span class="o"><-</span><span class="n">fcons</span><span class="p">.</span><span class="n">write</span> <span class="o">=></span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">wc</span> <span class="o">!=</span> <span class="kc">nil</span><span class="p">){</span> | |
| <span class="n">sys</span><span class="o">-></span><span class="n">write</span><span class="p">(</span><span class="n">sys</span><span class="o">-></span><span class="n">fildes</span><span class="p">(</span><span class="mi">1</span><span class="p">),</span> <span class="n">d</span><span class="p">,</span> <span class="k">len</span> <span class="n">d</span><span class="p">);</span> | |
| <span class="n">wc</span> <span class="o"><-=</span> <span class="p">(</span><span class="k">len</span> <span class="n">d</span><span class="p">,</span> <span class="kc">nil</span><span class="p">);</span> | |
| <span class="p">}</span> | |
| <span class="p">(</span><span class="kc">nil</span><span class="p">,</span> <span class="kc">nil</span><span class="p">,</span> <span class="kc">nil</span><span class="p">,</span> <span class="n">rc</span><span class="p">)</span> <span class="o">:=</span> <span class="o"><-</span><span class="n">fcons</span><span class="p">.</span><span class="n">read</span> <span class="o">=></span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">rc</span> <span class="o">!=</span> <span class="kc">nil</span><span class="p">){</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">ks</span> <span class="o">!=</span> <span class="kc">nil</span><span class="p">){</span> | |
| <span class="n">rc</span> <span class="o"><-=</span> <span class="p">(</span><span class="kt">array</span> <span class="kt">of</span> <span class="kt">byte</span> <span class="n">ks</span><span class="p">,</span> <span class="kc">nil</span><span class="p">);</span> | |
| <span class="n">ks</span> <span class="o">=</span> <span class="kc">nil</span><span class="p">;</span> | |
| <span class="p">}</span><span class="k">else</span> | |
| <span class="n">krc</span> <span class="o">=</span> <span class="n">rc</span> <span class="o">::</span> <span class="n">krc</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="p">(</span><span class="n">offset</span><span class="p">,</span> <span class="kc">nil</span><span class="p">,</span> <span class="kc">nil</span><span class="p">,</span> <span class="n">rc</span><span class="p">)</span> <span class="o">:=</span> <span class="o"><-</span><span class="n">fwinname</span><span class="p">.</span><span class="n">read</span> <span class="o">=></span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">rc</span> <span class="o">!=</span> <span class="kc">nil</span><span class="p">){</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">winname</span> <span class="o">==</span> <span class="kc">nil</span><span class="p">){</span> | |
| <span class="n">winname</span> <span class="o">=</span> <span class="n">sys</span><span class="o">-></span><span class="n">sprint</span><span class="p">(</span><span class="s">"noborder.9win.%d"</span><span class="p">,</span> <span class="n">winid</span><span class="o">++</span><span class="p">);</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">w</span><span class="p">.</span><span class="n">image</span><span class="p">.</span><span class="n">name</span><span class="p">(</span><span class="n">winname</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> <span class="o">==</span> <span class="o">-</span><span class="mi">1</span><span class="p">){</span> | |
| <span class="n">sys</span><span class="o">-></span><span class="n">fprint</span><span class="p">(</span><span class="n">sys</span><span class="o">-></span><span class="n">fildes</span><span class="p">(</span><span class="mi">2</span><span class="p">),</span> <span class="s">"9win: namewin %q failed: %r"</span><span class="p">,</span> <span class="n">winname</span><span class="p">);</span> | |
| <span class="n">rc</span> <span class="o"><-=</span> <span class="p">(</span><span class="kc">nil</span><span class="p">,</span> <span class="s">"namewin failure"</span><span class="p">);</span> | |
| <span class="k">break</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="p">}</span> | |
| <span class="n">d</span> <span class="o">:=</span> <span class="kt">array</span> <span class="kt">of</span> <span class="kt">byte</span> <span class="n">winname</span><span class="p">;</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">offset</span> <span class="o"><</span> <span class="k">len</span> <span class="n">d</span><span class="p">)</span> | |
| <span class="n">d</span> <span class="o">=</span> <span class="n">d</span><span class="p">[</span><span class="n">offset</span><span class="o">:</span><span class="p">];</span> | |
| <span class="k">else</span> | |
| <span class="n">d</span> <span class="o">=</span> <span class="kc">nil</span><span class="p">;</span> | |
| <span class="n">rc</span> <span class="o"><-=</span> <span class="p">(</span><span class="n">d</span><span class="p">,</span> <span class="kc">nil</span><span class="p">);</span> | |
| <span class="p">}</span> | |
| <span class="p">(</span><span class="kc">nil</span><span class="p">,</span> <span class="kc">nil</span><span class="p">,</span> <span class="kc">nil</span><span class="p">,</span> <span class="n">wc</span><span class="p">)</span> <span class="o">:=</span> <span class="o"><-</span><span class="n">fwinname</span><span class="p">.</span><span class="n">write</span> <span class="o">=></span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">wc</span> <span class="o">!=</span> <span class="kc">nil</span><span class="p">)</span> | |
| <span class="n">wc</span> <span class="o"><-=</span> <span class="p">(</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="s">"permission denied"</span><span class="p">);</span> | |
| <span class="p">(</span><span class="kc">nil</span><span class="p">,</span> <span class="kc">nil</span><span class="p">,</span> <span class="kc">nil</span><span class="p">,</span> <span class="n">rc</span><span class="p">)</span> <span class="o">:=</span> <span class="o"><-</span><span class="n">fconsctl</span><span class="p">.</span><span class="n">read</span> <span class="o">=></span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">rc</span> <span class="o">!=</span> <span class="kc">nil</span><span class="p">)</span> | |
| <span class="n">rc</span> <span class="o"><-=</span> <span class="p">(</span><span class="kc">nil</span><span class="p">,</span> <span class="s">"permission denied"</span><span class="p">);</span> | |
| <span class="p">(</span><span class="kc">nil</span><span class="p">,</span> <span class="n">d</span><span class="p">,</span> <span class="kc">nil</span><span class="p">,</span> <span class="n">wc</span><span class="p">)</span> <span class="o">:=</span> <span class="o"><-</span><span class="n">fconsctl</span><span class="p">.</span><span class="n">write</span> <span class="o">=></span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">wc</span> <span class="o">!=</span> <span class="kc">nil</span><span class="p">){</span> | |
| <span class="k">if</span><span class="p">(</span><span class="kt">string</span> <span class="n">d</span> <span class="o">!=</span> <span class="s">"rawon"</span><span class="p">)</span> | |
| <span class="n">wc</span> <span class="o"><-=</span> <span class="p">(</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="s">"cannot change console mode"</span><span class="p">);</span> | |
| <span class="k">else</span> | |
| <span class="n">wc</span> <span class="o"><-=</span> <span class="p">(</span><span class="k">len</span> <span class="n">d</span><span class="p">,</span> <span class="kc">nil</span><span class="p">);</span> | |
| <span class="p">}</span> | |
| <span class="p">(</span><span class="kc">nil</span><span class="p">,</span> <span class="kc">nil</span><span class="p">,</span> <span class="kc">nil</span><span class="p">,</span> <span class="n">rc</span><span class="p">)</span> <span class="o">:=</span> <span class="o"><-</span><span class="n">fmouse</span><span class="p">.</span><span class="n">read</span> <span class="o">=></span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">rc</span> <span class="o">!=</span> <span class="kc">nil</span><span class="p">)</span> | |
| <span class="n">mouserq</span> <span class="o"><-=</span> <span class="n">rc</span><span class="p">;</span> | |
| <span class="p">(</span><span class="kc">nil</span><span class="p">,</span> <span class="n">d</span><span class="p">,</span> <span class="kc">nil</span><span class="p">,</span> <span class="n">wc</span><span class="p">)</span> <span class="o">:=</span> <span class="o"><-</span><span class="n">fmouse</span><span class="p">.</span><span class="n">write</span> <span class="o">=></span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">wc</span> <span class="o">!=</span> <span class="kc">nil</span><span class="p">){</span> | |
| <span class="n">e</span> <span class="o">:=</span> <span class="n">cursorset</span><span class="p">(</span><span class="n">w</span><span class="p">,</span> <span class="kt">string</span> <span class="n">d</span><span class="p">);</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">e</span> <span class="o">==</span> <span class="kc">nil</span><span class="p">)</span> | |
| <span class="n">wc</span> <span class="o"><-=</span> <span class="p">(</span><span class="k">len</span> <span class="n">d</span><span class="p">,</span> <span class="kc">nil</span><span class="p">);</span> | |
| <span class="k">else</span> | |
| <span class="n">wc</span> <span class="o"><-=</span> <span class="p">(</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="n">e</span><span class="p">);</span> | |
| <span class="p">}</span> | |
| <span class="p">(</span><span class="kc">nil</span><span class="p">,</span> <span class="kc">nil</span><span class="p">,</span> <span class="kc">nil</span><span class="p">,</span> <span class="n">rc</span><span class="p">)</span> <span class="o">:=</span> <span class="o"><-</span><span class="n">fcursor</span><span class="p">.</span><span class="n">read</span> <span class="o">=></span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">rc</span> <span class="o">!=</span> <span class="kc">nil</span><span class="p">)</span> | |
| <span class="n">rc</span> <span class="o"><-=</span> <span class="p">(</span><span class="kc">nil</span><span class="p">,</span> <span class="s">"permission denied"</span><span class="p">);</span> | |
| <span class="p">(</span><span class="kc">nil</span><span class="p">,</span> <span class="n">d</span><span class="p">,</span> <span class="kc">nil</span><span class="p">,</span> <span class="n">wc</span><span class="p">)</span> <span class="o">:=</span> <span class="o"><-</span><span class="n">fcursor</span><span class="p">.</span><span class="n">write</span> <span class="o">=></span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">wc</span> <span class="o">!=</span> <span class="kc">nil</span><span class="p">){</span> | |
| <span class="n">e</span> <span class="o">:=</span> <span class="n">cursorswitch</span><span class="p">(</span><span class="n">w</span><span class="p">,</span> <span class="n">d</span><span class="p">);</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">e</span> <span class="o">==</span> <span class="kc">nil</span><span class="p">)</span> | |
| <span class="n">wc</span> <span class="o"><-=</span> <span class="p">(</span><span class="k">len</span> <span class="n">d</span><span class="p">,</span> <span class="kc">nil</span><span class="p">);</span> | |
| <span class="k">else</span> | |
| <span class="n">wc</span> <span class="o"><-=</span> <span class="p">(</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="n">e</span><span class="p">);</span> | |
| <span class="p">}</span> | |
| <span class="p">}</span> | |
| <span class="p">}</span> | |
| <span class="n">ptrproc</span><span class="p">(</span><span class="n">rq</span><span class="o">:</span> <span class="kt">chan</span> <span class="kt">of</span> <span class="n">Sys</span><span class="o">-></span><span class="n">Rread</span><span class="p">,</span> <span class="n">ptr</span><span class="o">:</span> <span class="kt">chan</span> <span class="kt">of</span> <span class="kt">ref</span> <span class="n">Pointer</span><span class="p">,</span> <span class="n">reshape</span><span class="o">:</span> <span class="kt">chan</span> <span class="kt">of</span> <span class="kt">int</span><span class="p">)</span> | |
| <span class="p">{</span> | |
| <span class="n">rl</span><span class="o">:</span> <span class="kt">list</span> <span class="kt">of</span> <span class="n">Sys</span><span class="o">-></span><span class="n">Rread</span><span class="p">;</span> | |
| <span class="n">c</span> <span class="o">:=</span> <span class="kt">ref</span> <span class="n">Pointer</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="mi">0</span><span class="p">);</span> | |
| <span class="n">for</span><span class="p">(;;){</span> | |
| <span class="n">ch</span><span class="o">:</span> <span class="kt">int</span><span class="p">;</span> | |
| <span class="k">alt</span><span class="p">{</span> | |
| <span class="n">p</span> <span class="o">:=</span> <span class="o"><-</span><span class="n">ptr</span> <span class="o">=></span> | |
| <span class="n">ch</span> <span class="o">=</span> <span class="sc">'m'</span><span class="p">;</span> | |
| <span class="n">c</span> <span class="o">=</span> <span class="n">p</span><span class="p">;</span> | |
| <span class="o"><-</span><span class="n">reshape</span> <span class="o">=></span> | |
| <span class="n">ch</span> <span class="o">=</span> <span class="sc">'r'</span><span class="p">;</span> | |
| <span class="n">rc</span> <span class="o">:=</span> <span class="o"><-</span><span class="n">rq</span> <span class="o">=></span> | |
| <span class="n">rl</span> <span class="o">=</span> <span class="n">rc</span> <span class="o">::</span> <span class="n">rl</span><span class="p">;</span> | |
| <span class="k">continue</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">rl</span> <span class="o">==</span> <span class="kc">nil</span><span class="p">)</span> | |
| <span class="n">rl</span> <span class="o">=</span> <span class="o"><-</span><span class="n">rq</span> <span class="o">::</span> <span class="n">rl</span><span class="p">;</span> | |
| <span class="k">hd</span> <span class="n">rl</span> <span class="o"><-=</span> <span class="p">(</span><span class="n">sys</span><span class="o">-></span><span class="n">aprint</span><span class="p">(</span><span class="s">"%c%11d %11d %11d %11d "</span><span class="p">,</span> <span class="n">ch</span><span class="p">,</span> <span class="n">c</span><span class="p">.</span><span class="n">xy</span><span class="p">.</span><span class="n">x</span><span class="p">,</span> <span class="n">c</span><span class="p">.</span><span class="n">xy</span><span class="p">.</span><span class="n">y</span><span class="p">,</span> <span class="n">c</span><span class="p">.</span><span class="n">buttons</span><span class="p">,</span> <span class="n">c</span><span class="p">.</span><span class="n">msec</span><span class="p">),</span> <span class="kc">nil</span><span class="p">);</span> | |
| <span class="n">rl</span> <span class="o">=</span> <span class="k">tl</span> <span class="n">rl</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="p">}</span> | |
| <span class="n">cursorset</span><span class="p">(</span><span class="n">w</span><span class="o">:</span> <span class="kt">ref</span> <span class="n">Window</span><span class="p">,</span> <span class="n">m</span><span class="o">:</span> <span class="kt">string</span><span class="p">)</span><span class="o">:</span> <span class="kt">string</span> | |
| <span class="p">{</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">m</span> <span class="o">==</span> <span class="kc">nil</span> <span class="o">||</span> <span class="n">m</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">!=</span> <span class="sc">'m'</span><span class="p">)</span> | |
| <span class="k">return</span> <span class="s">"invalid mouse message"</span><span class="p">;</span> | |
| <span class="n">x</span> <span class="o">:=</span> <span class="kt">int</span> <span class="n">m</span><span class="p">[</span><span class="mi">1</span><span class="o">:</span><span class="p">];</span> | |
| <span class="n">for</span><span class="p">(</span><span class="n">i</span> <span class="o">:=</span> <span class="mi">1</span><span class="p">;</span> <span class="n">i</span> <span class="o"><</span> <span class="k">len</span> <span class="n">m</span><span class="p">;</span> <span class="n">i</span><span class="o">++</span><span class="p">)</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">m</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">==</span> <span class="sc">' '</span><span class="p">){</span> | |
| <span class="k">while</span><span class="p">(</span><span class="n">m</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">==</span> <span class="sc">' '</span><span class="p">)</span> | |
| <span class="n">i</span><span class="o">++</span><span class="p">;</span> | |
| <span class="k">break</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">i</span> <span class="o">==</span> <span class="k">len</span> <span class="n">m</span><span class="p">)</span> | |
| <span class="k">return</span> <span class="s">"invalid mouse message"</span><span class="p">;</span> | |
| <span class="n">y</span> <span class="o">:=</span> <span class="kt">int</span> <span class="n">m</span><span class="p">[</span><span class="n">i</span><span class="o">:</span><span class="p">];</span> | |
| <span class="k">return</span> <span class="n">w</span><span class="p">.</span><span class="n">wmctl</span><span class="p">(</span><span class="n">sys</span><span class="o">-></span><span class="n">sprint</span><span class="p">(</span><span class="s">"ptr %d %d"</span><span class="p">,</span> <span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">));</span> | |
| <span class="p">}</span> | |
| <span class="n">cursorswitch</span><span class="p">(</span><span class="n">w</span><span class="o">:</span> <span class="kt">ref</span> <span class="n">Window</span><span class="p">,</span> <span class="n">d</span><span class="o">:</span> <span class="kt">array</span> <span class="kt">of</span> <span class="kt">byte</span><span class="p">)</span><span class="o">:</span> <span class="kt">string</span> | |
| <span class="p">{</span> | |
| <span class="n">Hex</span><span class="o">:</span> <span class="kc">con</span> <span class="s">"0123456789abcdef"</span><span class="p">;</span> | |
| <span class="k">if</span><span class="p">(</span><span class="k">len</span> <span class="n">d</span> <span class="o">!=</span> <span class="mi">2</span><span class="o">*</span><span class="mi">4</span><span class="o">+</span><span class="mi">64</span><span class="p">)</span> | |
| <span class="k">return</span> <span class="n">w</span><span class="p">.</span><span class="n">wmctl</span><span class="p">(</span><span class="s">"cursor"</span><span class="p">);</span> | |
| <span class="n">hot</span> <span class="o">:=</span> <span class="n">Draw</span><span class="o">-></span><span class="n">Point</span><span class="p">(</span><span class="n">bglong</span><span class="p">(</span><span class="n">d</span><span class="p">,</span> <span class="mi">0</span><span class="o">*</span><span class="mi">4</span><span class="p">),</span> <span class="n">bglong</span><span class="p">(</span><span class="n">d</span><span class="p">,</span> <span class="mi">1</span><span class="o">*</span><span class="mi">4</span><span class="p">));</span> | |
| <span class="n">s</span> <span class="o">:=</span> <span class="n">sys</span><span class="o">-></span><span class="n">sprint</span><span class="p">(</span><span class="s">"cursor %d %d 16 32 "</span><span class="p">,</span> <span class="n">hot</span><span class="p">.</span><span class="n">x</span><span class="p">,</span> <span class="n">hot</span><span class="p">.</span><span class="n">y</span><span class="p">);</span> | |
| <span class="n">for</span><span class="p">(</span><span class="n">i</span> <span class="o">:=</span> <span class="mi">2</span><span class="o">*</span><span class="mi">4</span><span class="p">;</span> <span class="n">i</span> <span class="o"><</span> <span class="k">len</span> <span class="n">d</span><span class="p">;</span> <span class="n">i</span><span class="o">++</span><span class="p">){</span> | |
| <span class="n">c</span> <span class="o">:=</span> <span class="kt">int</span> <span class="n">d</span><span class="p">[</span><span class="n">i</span><span class="p">];</span> | |
| <span class="n">s</span><span class="p">[</span><span class="k">len</span> <span class="n">s</span><span class="p">]</span> <span class="o">=</span> <span class="n">Hex</span><span class="p">[</span><span class="n">c</span> <span class="o">>></span> <span class="mi">4</span><span class="p">];</span> | |
| <span class="n">s</span><span class="p">[</span><span class="k">len</span> <span class="n">s</span><span class="p">]</span> <span class="o">=</span> <span class="n">Hex</span><span class="p">[</span><span class="n">c</span> <span class="o">&</span> <span class="mh">16rf</span><span class="p">];</span> | |
| <span class="p">}</span> | |
| <span class="k">return</span> <span class="n">w</span><span class="p">.</span><span class="n">wmctl</span><span class="p">(</span><span class="n">s</span><span class="p">);</span> | |
| <span class="p">}</span> | |
| <span class="n">run</span><span class="p">(</span><span class="n">sync</span><span class="p">,</span> <span class="n">ctl</span><span class="o">:</span> <span class="kt">chan</span> <span class="kt">of</span> <span class="kt">string</span><span class="p">,</span> <span class="n">ld</span><span class="o">:</span> <span class="kt">string</span><span class="p">,</span> <span class="n">argv</span><span class="o">:</span> <span class="kt">list</span> <span class="kt">of</span> <span class="kt">string</span><span class="p">)</span> | |
| <span class="p">{</span> | |
| <span class="n">Rcmeta</span><span class="o">:</span> <span class="kc">con</span> <span class="s">"|<>&^*[]?();"</span><span class="p">;</span> | |
| <span class="n">sys</span><span class="o">-></span><span class="n">pctl</span><span class="p">(</span><span class="n">Sys</span><span class="o">-></span><span class="n">FORKNS</span><span class="p">,</span> <span class="kc">nil</span><span class="p">);</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">sys</span><span class="o">-></span><span class="n">bind</span><span class="p">(</span><span class="s">"#₪"</span><span class="p">,</span> <span class="s">"/srv"</span><span class="p">,</span> <span class="n">Sys</span><span class="o">-></span><span class="n">MCREATE</span><span class="p">)</span> <span class="o">==</span> <span class="o">-</span><span class="mi">1</span><span class="p">){</span> | |
| <span class="n">sync</span> <span class="o"><-=</span> <span class="n">sys</span><span class="o">-></span><span class="n">sprint</span><span class="p">(</span><span class="s">"cannot bind srv device: %r"</span><span class="p">);</span> | |
| <span class="n">exit</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="n">srvname</span> <span class="o">:=</span> <span class="s">"/srv/9win."</span><span class="o">+</span><span class="kt">string</span> <span class="n">sys</span><span class="o">-></span><span class="n">pctl</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="kc">nil</span><span class="p">);</span> <span class="c1"># XXX do better.</span> | |
| <span class="n">fd</span> <span class="o">:=</span> <span class="n">sys</span><span class="o">-></span><span class="n">create</span><span class="p">(</span><span class="n">srvname</span><span class="p">,</span> <span class="n">Sys</span><span class="o">-></span><span class="n">ORDWR</span><span class="p">,</span> <span class="mo">8r600</span><span class="p">);</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">fd</span> <span class="o">==</span> <span class="kc">nil</span><span class="p">){</span> | |
| <span class="n">sync</span> <span class="o"><-=</span> <span class="n">sys</span><span class="o">-></span><span class="n">sprint</span><span class="p">(</span><span class="s">"cannot create %s: %r"</span><span class="p">,</span> <span class="n">srvname</span><span class="p">);</span> | |
| <span class="n">exit</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="n">sync</span> <span class="o"><-=</span> <span class="kc">nil</span><span class="p">;</span> | |
| <span class="k">spawn</span> <span class="n">export</span><span class="p">(</span><span class="n">fd</span><span class="p">,</span> <span class="n">ctl</span><span class="p">);</span> | |
| <span class="n">sh</span><span class="o">-></span><span class="n">run</span><span class="p">(</span><span class="kc">nil</span><span class="p">,</span> <span class="s">"os"</span> <span class="o">::</span> | |
| <span class="s">"rc"</span> <span class="o">::</span> <span class="s">"-c"</span> <span class="o">::</span> | |
| <span class="s">"mount "</span><span class="o">+</span><span class="n">srvname</span><span class="o">+</span><span class="s">" /mnt/term;"</span><span class="o">+</span> | |
| <span class="s">"rm "</span><span class="o">+</span><span class="n">srvname</span><span class="o">+</span><span class="s">";"</span><span class="o">+</span> | |
| <span class="s">"bind -b /mnt/term"</span><span class="o">+</span><span class="n">ld</span><span class="o">+</span><span class="s">" /dev;"</span><span class="o">+</span> | |
| <span class="s">"bind /mnt/term/dev/draw /dev/draw ||"</span><span class="o">+</span> | |
| <span class="s">"bind -a /mnt/term/dev /dev;"</span><span class="o">+</span> | |
| <span class="n">quotedc</span><span class="p">(</span><span class="s">"cd"</span><span class="o">::</span><span class="s">"/mnt/term"</span><span class="o">+</span><span class="n">cwd</span><span class="p">()</span><span class="o">::</span><span class="kc">nil</span><span class="p">,</span> <span class="n">Rcmeta</span><span class="p">)</span><span class="o">+</span><span class="s">";"</span><span class="o">+</span> | |
| <span class="n">quotedc</span><span class="p">(</span><span class="n">argv</span><span class="p">,</span> <span class="n">Rcmeta</span><span class="p">)</span><span class="o">+</span><span class="s">";"</span><span class="o">::</span> | |
| <span class="kc">nil</span> | |
| <span class="p">);</span> | |
| <span class="p">}</span> | |
| <span class="n">export</span><span class="p">(</span><span class="n">fd</span><span class="o">:</span> <span class="kt">ref</span> <span class="n">Sys</span><span class="o">-></span><span class="n">FD</span><span class="p">,</span> <span class="n">ctl</span><span class="o">:</span> <span class="kt">chan</span> <span class="kt">of</span> <span class="kt">string</span><span class="p">)</span> | |
| <span class="p">{</span> | |
| <span class="n">sys</span><span class="o">-></span><span class="n">export</span><span class="p">(</span><span class="n">fd</span><span class="p">,</span> <span class="s">"/"</span><span class="p">,</span> <span class="n">Sys</span><span class="o">-></span><span class="n">EXPWAIT</span><span class="p">);</span> | |
| <span class="n">ctl</span> <span class="o"><-=</span> <span class="s">"exit"</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="n">inf2p9key</span><span class="p">(</span><span class="n">c</span><span class="o">:</span> <span class="kt">int</span><span class="p">)</span><span class="o">:</span> <span class="kt">int</span> | |
| <span class="p">{</span> | |
| <span class="n">KF</span><span class="o">:</span> <span class="k">import</span> <span class="n">Keyboard</span><span class="p">;</span> | |
| <span class="n">P9KF</span><span class="o">:</span> <span class="kc">con</span> <span class="mh">16rF000</span><span class="p">;</span> | |
| <span class="n">Spec</span><span class="o">:</span> <span class="kc">con</span> <span class="mh">16rF800</span><span class="p">;</span> | |
| <span class="n">Khome</span><span class="o">:</span> <span class="kc">con</span> <span class="n">P9KF</span><span class="o">|</span><span class="mh">16r0D</span><span class="p">;</span> | |
| <span class="n">Kup</span><span class="o">:</span> <span class="kc">con</span> <span class="n">P9KF</span><span class="o">|</span><span class="mh">16r0E</span><span class="p">;</span> | |
| <span class="n">Kpgup</span><span class="o">:</span> <span class="kc">con</span> <span class="n">P9KF</span><span class="o">|</span><span class="mh">16r0F</span><span class="p">;</span> | |
| <span class="n">Kprint</span><span class="o">:</span> <span class="kc">con</span> <span class="n">P9KF</span><span class="o">|</span><span class="mh">16r10</span><span class="p">;</span> | |
| <span class="n">Kleft</span><span class="o">:</span> <span class="kc">con</span> <span class="n">P9KF</span><span class="o">|</span><span class="mh">16r11</span><span class="p">;</span> | |
| <span class="n">Kright</span><span class="o">:</span> <span class="kc">con</span> <span class="n">P9KF</span><span class="o">|</span><span class="mh">16r12</span><span class="p">;</span> | |
| <span class="n">Kdown</span><span class="o">:</span> <span class="kc">con</span> <span class="n">Spec</span><span class="o">|</span><span class="mh">16r00</span><span class="p">;</span> | |
| <span class="n">Kview</span><span class="o">:</span> <span class="kc">con</span> <span class="n">Spec</span><span class="o">|</span><span class="mh">16r00</span><span class="p">;</span> | |
| <span class="n">Kpgdown</span><span class="o">:</span> <span class="kc">con</span> <span class="n">P9KF</span><span class="o">|</span><span class="mh">16r13</span><span class="p">;</span> | |
| <span class="n">Kins</span><span class="o">:</span> <span class="kc">con</span> <span class="n">P9KF</span><span class="o">|</span><span class="mh">16r14</span><span class="p">;</span> | |
| <span class="n">Kend</span><span class="o">:</span> <span class="kc">con</span> <span class="n">P9KF</span><span class="o">|</span><span class="mh">16r18</span><span class="p">;</span> | |
| <span class="n">Kalt</span><span class="o">:</span> <span class="kc">con</span> <span class="n">P9KF</span><span class="o">|</span><span class="mh">16r15</span><span class="p">;</span> | |
| <span class="n">Kshift</span><span class="o">:</span> <span class="kc">con</span> <span class="n">P9KF</span><span class="o">|</span><span class="mh">16r16</span><span class="p">;</span> | |
| <span class="n">Kctl</span><span class="o">:</span> <span class="kc">con</span> <span class="n">P9KF</span><span class="o">|</span><span class="mh">16r17</span><span class="p">;</span> | |
| <span class="k">case</span> <span class="n">c</span> <span class="p">{</span> | |
| <span class="n">Keyboard</span><span class="o">-></span><span class="n">LShift</span> <span class="o">=></span> | |
| <span class="k">return</span> <span class="n">Kshift</span><span class="p">;</span> | |
| <span class="n">Keyboard</span><span class="o">-></span><span class="n">LCtrl</span> <span class="o">=></span> | |
| <span class="k">return</span> <span class="n">Kctl</span><span class="p">;</span> | |
| <span class="n">Keyboard</span><span class="o">-></span><span class="n">LAlt</span> <span class="o">=></span> | |
| <span class="k">return</span> <span class="n">Kalt</span><span class="p">;</span> | |
| <span class="n">Keyboard</span><span class="o">-></span><span class="n">Home</span> <span class="o">=></span> | |
| <span class="k">return</span> <span class="n">Khome</span><span class="p">;</span> | |
| <span class="n">Keyboard</span><span class="o">-></span><span class="n">End</span> <span class="o">=></span> | |
| <span class="k">return</span> <span class="n">Kend</span><span class="p">;</span> | |
| <span class="n">Keyboard</span><span class="o">-></span><span class="n">Up</span> <span class="o">=></span> | |
| <span class="k">return</span> <span class="n">Kup</span><span class="p">;</span> | |
| <span class="n">Keyboard</span><span class="o">-></span><span class="n">Down</span> <span class="o">=></span> | |
| <span class="k">return</span> <span class="n">Kdown</span><span class="p">;</span> | |
| <span class="n">Keyboard</span><span class="o">-></span><span class="n">Left</span> <span class="o">=></span> | |
| <span class="k">return</span> <span class="n">Kleft</span><span class="p">;</span> | |
| <span class="n">Keyboard</span><span class="o">-></span><span class="n">Right</span> <span class="o">=></span> | |
| <span class="k">return</span> <span class="n">Kright</span><span class="p">;</span> | |
| <span class="n">Keyboard</span><span class="o">-></span><span class="n">Pgup</span> <span class="o">=></span> | |
| <span class="k">return</span> <span class="n">Kpgup</span><span class="p">;</span> | |
| <span class="n">Keyboard</span><span class="o">-></span><span class="n">Pgdown</span> <span class="o">=></span> | |
| <span class="k">return</span> <span class="n">Kpgdown</span><span class="p">;</span> | |
| <span class="n">Keyboard</span><span class="o">-></span><span class="n">Ins</span> <span class="o">=></span> | |
| <span class="k">return</span> <span class="n">Kins</span><span class="p">;</span> | |
| <span class="c1"># function keys</span> | |
| <span class="n">KF</span><span class="o">|</span><span class="mi">1</span> <span class="n">or</span> | |
| <span class="n">KF</span><span class="o">|</span><span class="mi">2</span> <span class="n">or</span> | |
| <span class="n">KF</span><span class="o">|</span><span class="mi">3</span> <span class="n">or</span> | |
| <span class="n">KF</span><span class="o">|</span><span class="mi">4</span> <span class="n">or</span> | |
| <span class="n">KF</span><span class="o">|</span><span class="mi">5</span> <span class="n">or</span> | |
| <span class="n">KF</span><span class="o">|</span><span class="mi">6</span> <span class="n">or</span> | |
| <span class="n">KF</span><span class="o">|</span><span class="mi">7</span> <span class="n">or</span> | |
| <span class="n">KF</span><span class="o">|</span><span class="mi">8</span> <span class="n">or</span> | |
| <span class="n">KF</span><span class="o">|</span><span class="mi">9</span> <span class="n">or</span> | |
| <span class="n">KF</span><span class="o">|</span><span class="mi">10</span> <span class="n">or</span> | |
| <span class="n">KF</span><span class="o">|</span><span class="mi">11</span> <span class="n">or</span> | |
| <span class="n">KF</span><span class="o">|</span><span class="mi">12</span> <span class="o">=></span> | |
| <span class="k">return</span> <span class="p">(</span><span class="n">c</span> <span class="o">-</span> <span class="n">KF</span><span class="p">)</span> <span class="o">+</span> <span class="n">P9KF</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="k">return</span> <span class="n">c</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="n">cwd</span><span class="p">()</span><span class="o">:</span> <span class="kt">string</span> | |
| <span class="p">{</span> | |
| <span class="k">return</span> <span class="n">sys</span><span class="o">-></span><span class="n">fd2path</span><span class="p">(</span><span class="n">sys</span><span class="o">-></span><span class="n">open</span><span class="p">(</span><span class="s">"."</span><span class="p">,</span> <span class="n">Sys</span><span class="o">-></span><span class="n">OREAD</span><span class="p">));</span> | |
| <span class="p">}</span> | |
| <span class="c1"># from string.b, waiting for declaration to be uncommented.</span> | |
| <span class="n">quotedc</span><span class="p">(</span><span class="n">argv</span><span class="o">:</span> <span class="kt">list</span> <span class="kt">of</span> <span class="kt">string</span><span class="p">,</span> <span class="n">cl</span><span class="o">:</span> <span class="kt">string</span><span class="p">)</span><span class="o">:</span> <span class="kt">string</span> | |
| <span class="p">{</span> | |
| <span class="n">s</span> <span class="o">:=</span> <span class="s">""</span><span class="p">;</span> | |
| <span class="k">while</span> <span class="p">(</span><span class="n">argv</span> <span class="o">!=</span> <span class="kc">nil</span><span class="p">)</span> <span class="p">{</span> | |
| <span class="n">arg</span> <span class="o">:=</span> <span class="k">hd</span> <span class="n">argv</span><span class="p">;</span> | |
| <span class="n">for</span> <span class="p">(</span><span class="n">i</span> <span class="o">:=</span> <span class="mi">0</span><span class="p">;</span> <span class="n">i</span> <span class="o"><</span> <span class="k">len</span> <span class="n">arg</span><span class="p">;</span> <span class="n">i</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span> | |
| <span class="n">c</span> <span class="o">:=</span> <span class="n">arg</span><span class="p">[</span><span class="n">i</span><span class="p">];</span> | |
| <span class="k">if</span> <span class="p">(</span><span class="n">c</span> <span class="o">==</span> <span class="sc">' '</span> <span class="o">||</span> <span class="n">c</span> <span class="o">==</span> <span class="sc">'\t'</span> <span class="o">||</span> <span class="n">c</span> <span class="o">==</span> <span class="sc">'\n'</span> <span class="o">||</span> <span class="n">c</span> <span class="o">==</span> <span class="sc">'\''</span> <span class="o">||</span> <span class="n">in</span><span class="p">(</span><span class="n">c</span><span class="p">,</span> <span class="n">cl</span><span class="p">))</span> | |
| <span class="k">break</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="k">if</span> <span class="p">(</span><span class="n">i</span> <span class="o"><</span> <span class="k">len</span> <span class="n">arg</span> <span class="o">||</span> <span class="n">arg</span> <span class="o">==</span> <span class="kc">nil</span><span class="p">)</span> <span class="p">{</span> | |
| <span class="n">s</span> <span class="o">+=</span> <span class="s">"'"</span> <span class="o">+</span> <span class="n">arg</span><span class="p">[</span><span class="mi">0</span><span class="o">:</span><span class="n">i</span><span class="p">];</span> | |
| <span class="n">for</span> <span class="p">(;</span> <span class="n">i</span> <span class="o"><</span> <span class="k">len</span> <span class="n">arg</span><span class="p">;</span> <span class="n">i</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span> | |
| <span class="k">if</span> <span class="p">(</span><span class="n">arg</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">==</span> <span class="sc">'\''</span><span class="p">)</span> | |
| <span class="n">s</span><span class="p">[</span><span class="k">len</span> <span class="n">s</span><span class="p">]</span> <span class="o">=</span> <span class="sc">'\''</span><span class="p">;</span> | |
| <span class="n">s</span><span class="p">[</span><span class="k">len</span> <span class="n">s</span><span class="p">]</span> <span class="o">=</span> <span class="n">arg</span><span class="p">[</span><span class="n">i</span><span class="p">];</span> | |
| <span class="p">}</span> | |
| <span class="n">s</span><span class="p">[</span><span class="k">len</span> <span class="n">s</span><span class="p">]</span> <span class="o">=</span> <span class="sc">'\''</span><span class="p">;</span> | |
| <span class="p">}</span> <span class="k">else</span> | |
| <span class="n">s</span> <span class="o">+=</span> <span class="n">arg</span><span class="p">;</span> | |
| <span class="k">if</span> <span class="p">(</span><span class="k">tl</span> <span class="n">argv</span> <span class="o">!=</span> <span class="kc">nil</span><span class="p">)</span> | |
| <span class="n">s</span><span class="p">[</span><span class="k">len</span> <span class="n">s</span><span class="p">]</span> <span class="o">=</span> <span class="sc">' '</span><span class="p">;</span> | |
| <span class="n">argv</span> <span class="o">=</span> <span class="k">tl</span> <span class="n">argv</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="k">return</span> <span class="n">s</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="n">in</span><span class="p">(</span><span class="n">c</span><span class="o">:</span> <span class="kt">int</span><span class="p">,</span> <span class="n">s</span><span class="o">:</span> <span class="kt">string</span><span class="p">)</span><span class="o">:</span> <span class="kt">int</span> | |
| <span class="p">{</span> | |
| <span class="n">n</span> <span class="o">:=</span> <span class="k">len</span> <span class="n">s</span><span class="p">;</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">n</span> <span class="o">==</span> <span class="mi">0</span><span class="p">)</span> | |
| <span class="k">return</span> <span class="mi">0</span><span class="p">;</span> | |
| <span class="n">ans</span> <span class="o">:=</span> <span class="mi">0</span><span class="p">;</span> | |
| <span class="n">negate</span> <span class="o">:=</span> <span class="mi">0</span><span class="p">;</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">s</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="sc">'^'</span><span class="p">)</span> <span class="p">{</span> | |
| <span class="n">negate</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> | |
| <span class="n">s</span> <span class="o">=</span> <span class="n">s</span><span class="p">[</span><span class="mi">1</span><span class="o">:</span><span class="p">];</span> | |
| <span class="n">n</span><span class="o">--</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="n">for</span><span class="p">(</span><span class="n">i</span> <span class="o">:=</span> <span class="mi">0</span><span class="p">;</span> <span class="n">i</span> <span class="o"><</span> <span class="n">n</span><span class="p">;</span> <span class="n">i</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">s</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">==</span> <span class="sc">'-'</span> <span class="o">&&</span> <span class="n">i</span> <span class="o">></span> <span class="mi">0</span> <span class="o">&&</span> <span class="n">i</span> <span class="o"><</span> <span class="n">n</span><span class="o">-</span><span class="mi">1</span><span class="p">)</span> <span class="p">{</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">c</span> <span class="o">>=</span> <span class="n">s</span><span class="p">[</span><span class="n">i</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span> <span class="o">&&</span> <span class="n">c</span> <span class="o"><=</span> <span class="n">s</span><span class="p">[</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span><span class="p">])</span> <span class="p">{</span> | |
| <span class="n">ans</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> | |
| <span class="k">break</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="n">i</span><span class="o">++</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="k">else</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">c</span> <span class="o">==</span> <span class="n">s</span><span class="p">[</span><span class="n">i</span><span class="p">])</span> <span class="p">{</span> | |
| <span class="n">ans</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> | |
| <span class="k">break</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="p">}</span> | |
| <span class="k">if</span><span class="p">(</span><span class="n">negate</span><span class="p">)</span> | |
| <span class="n">ans</span> <span class="o">=</span> <span class="o">!</span><span class="n">ans</span><span class="p">;</span> | |
| <span class="c1"># just to showcase labels</span> | |
| <span class="nl">skip:</span> | |
| <span class="k">return</span> <span class="n">ans</span><span class="p">;</span> | |
| <span class="p">}</span> | |
| <span class="n">bglong</span><span class="p">(</span><span class="n">d</span><span class="o">:</span> <span class="kt">array</span> <span class="kt">of</span> <span class="kt">byte</span><span class="p">,</span> <span class="n">i</span><span class="o">:</span> <span class="kt">int</span><span class="p">)</span><span class="o">:</span> <span class="kt">int</span> | |
| <span class="p">{</span> | |
| <span class="k">return</span> <span class="kt">int</span> <span class="n">d</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">|</span> <span class="p">(</span><span class="kt">int</span> <span class="n">d</span><span class="p">[</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span><span class="p">]</span><span class="o"><<</span><span class="mi">8</span><span class="p">)</span> <span class="o">|</span> <span class="p">(</span><span class="kt">int</span> <span class="n">d</span><span class="p">[</span><span class="n">i</span><span class="o">+</span><span class="mi">2</span><span class="p">]</span><span class="o"><<</span><span class="mi">16</span><span class="p">)</span> <span class="o">|</span> <span class="p">(</span><span class="kt">int</span> <span class="n">d</span><span class="p">[</span><span class="n">i</span><span class="o">+</span><span class="mi">3</span><span class="p">]</span><span class="o"><<</span><span class="mi">24</span><span class="p">);</span> | |
| <span class="p">}</span> | |
| </pre></div> | |
| </body> | |
| </html> |
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