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ZealOS/docs/System/DolDoc/DocDblBuf.CC.html
TomAwezome 923b700822 Change DVDImageWrite to use single buffer. 
Add CAtapiWriteCmd for AHCIAtapiBlksWrite.
Remove AHCIAtapiSeek and AHCIAtapiFormat.
2021-08-15 02:23:46 -04:00

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<pre style="font-family:monospace;font-size:12pt">
<a name="l1"></a><span class=cF0>#</span><span class=cF1>help_index</span><span class=cF0> </span><span class=cF6>&quot;DolDoc/Task;StdOut/Task&quot;</span><span class=cF0>
<a name="l2"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF9>CDoc</span><span class=cF0> *</span><span class=cF5>DocPut</span><span class=cF0>(</span><span class=cF9>CTask</span><span class=cF0> *task=</span><span class=cF3>NULL</span><span class=cF0>)
<a name="l3"></a>{</span><span class=cF2>//Current document that StdOut Put() goes to.</span><span class=cF0>
<a name="l4"></a></span><span class=cF2>//Basically, StdOut unless double buffering.</span><span class=cF0>
<a name="l5"></a> </span><span class=cF9>CDoc</span><span class=cF0> *res;
<a name="l6"></a>
<a name="l7"></a> </span><span class=cF1>if</span><span class=cF0> (!task)
<a name="l8"></a> task = </span><span class=cF5>Fs</span><span class=cF0>;
<a name="l9"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>Bt</span><span class=cF7>(</span><span class=cF0>&amp;task-&gt;task_flags, </span><span class=cF3>TASKf_INPUT_FILTER_TASK</span><span class=cF7>)</span><span class=cF0>)
<a name="l10"></a> task = task-&gt;parent_task;
<a name="l11"></a>
<a name="l12"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>res = task-&gt;put_doc</span><span class=cF7>)</span><span class=cF0> &amp;&amp; res-&gt;doc_signature == </span><span class=cF3>DOC_SIGNATURE_VAL</span><span class=cF0>)
<a name="l13"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l14"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l15"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l16"></a>}
<a name="l17"></a>
<a name="l18"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF9>CDoc</span><span class=cF0> *</span><span class=cF5>DocDisplay</span><span class=cF0>(</span><span class=cF9>CTask</span><span class=cF0> *task=</span><span class=cF3>NULL</span><span class=cF0>)
<a name="l19"></a>{</span><span class=cF2>//StdOut displayed unless double buffering.</span><span class=cF0>
<a name="l20"></a> </span><span class=cF9>CDoc</span><span class=cF0> *res;
<a name="l21"></a>
<a name="l22"></a> </span><span class=cF1>if</span><span class=cF0> (!task)
<a name="l23"></a> task = </span><span class=cF5>Fs</span><span class=cF0>;
<a name="l24"></a>
<a name="l25"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>res = task-&gt;display_doc</span><span class=cF7>)</span><span class=cF0> &amp;&amp; res-&gt;doc_signature == </span><span class=cF3>DOC_SIGNATURE_VAL</span><span class=cF0>)
<a name="l26"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l27"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l28"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l29"></a>}
<a name="l30"></a>
<a name="l31"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF9>CDoc</span><span class=cF0> *</span><span class=cF5>DocBorder</span><span class=cF0>(</span><span class=cF9>CTask</span><span class=cF0> *task=</span><span class=cF3>NULL</span><span class=cF0>)
<a name="l32"></a>{</span><span class=cF2>//Doc holding border of window text.</span><span class=cF0>
<a name="l33"></a> </span><span class=cF9>CDoc</span><span class=cF0> *res;
<a name="l34"></a>
<a name="l35"></a> </span><span class=cF1>if</span><span class=cF0> (!task)
<a name="l36"></a> task = </span><span class=cF5>Fs</span><span class=cF0>;
<a name="l37"></a>
<a name="l38"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>res = task-&gt;border_doc</span><span class=cF7>)</span><span class=cF0> &amp;&amp; res-&gt;doc_signature == </span><span class=cF3>DOC_SIGNATURE_VAL</span><span class=cF0>)
<a name="l39"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l40"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l41"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l42"></a>}
<a name="l43"></a>
<a name="l44"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF9>CDoc</span><span class=cF0> *</span><span class=cF5>DocDblBufStart</span><span class=cF0>(</span><span class=cF9>CTask</span><span class=cF0> *task=</span><span class=cF3>NULL</span><span class=cF0>)
<a name="l45"></a>{</span><span class=cF2>//See </span><a href="https://zeal-operating-system.github.io/ZealOS/Demo/Spy.CC.html#l1"><span class=cF4>::/Demo/Spy.CC</span></a><span class=cF0>
<a name="l46"></a> </span><span class=cF1>Bool</span><span class=cF0> unlock_ddoc;
<a name="l47"></a> </span><span class=cF9>CDoc</span><span class=cF0> *pdoc = </span><span class=cF5>DocPut</span><span class=cF0>(task), *ddoc = </span><span class=cF5>DocDisplay</span><span class=cF0>(task), *res;
<a name="l48"></a>
<a name="l49"></a> </span><span class=cF1>if</span><span class=cF0> (!pdoc || !ddoc || pdoc != ddoc)
<a name="l50"></a> res = </span><span class=cF3>NULL</span><span class=cF0>; </span><span class=cF2>//Already Double buffering</span><span class=cF0>
<a name="l51"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l52"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l53"></a> </span><span class=cF1>if</span><span class=cF0> (!task)
<a name="l54"></a> task = </span><span class=cF5>Fs</span><span class=cF0>;
<a name="l55"></a> unlock_ddoc = </span><span class=cF5>DocLock</span><span class=cF0>(ddoc); </span><span class=cF2>//dont change during winupdate, so lock DocPut</span><span class=cF0>
<a name="l56"></a> res = </span><span class=cF5>DocNew</span><span class=cF0>(,task);
<a name="l57"></a> res-&gt;win_task = ddoc-&gt;win_task;
<a name="l58"></a> res-&gt;max_entries = ddoc-&gt;max_entries;
<a name="l59"></a> </span><span class=cF5>MemCopy</span><span class=cF0>(res-&gt;find_replace, ddoc-&gt;find_replace, </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>CEdFindText</span><span class=cF7>)</span><span class=cF0>);
<a name="l60"></a> </span><span class=cF5>MemCopy</span><span class=cF0>(&amp;res-&gt;filename, &amp;ddoc-&gt;filename, </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>CEdFileName</span><span class=cF7>)</span><span class=cF0>);
<a name="l61"></a> res-&gt;left_click_link = ddoc-&gt;left_click_link;
<a name="l62"></a> res-&gt;right_click_link = ddoc-&gt;right_click_link;
<a name="l63"></a> res-&gt;user_put_data = ddoc-&gt;user_put_data;
<a name="l64"></a> res-&gt;user_put_key = ddoc-&gt;user_put_key;
<a name="l65"></a> res-&gt;user_put_s = ddoc-&gt;user_put_s;
<a name="l66"></a> res-&gt;parent_doc = ddoc-&gt;parent_doc;
<a name="l67"></a> res-&gt;desc = ddoc-&gt;desc;
<a name="l68"></a> res-&gt;user_data = ddoc-&gt;user_data;
<a name="l69"></a> res-&gt;flags |= ddoc-&gt;flags &amp; </span><span class=cF3>DOCG_DBL_BUF_FLAGS</span><span class=cF0> | </span><span class=cF3>DOCF_DONT_SHOW</span><span class=cF0>;
<a name="l70"></a> task-&gt;put_doc = res;
<a name="l71"></a> </span><span class=cF1>if</span><span class=cF0> (unlock_ddoc)
<a name="l72"></a> </span><span class=cF5>DocUnlock</span><span class=cF0>(ddoc);
<a name="l73"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l74"></a>
<a name="l75"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l76"></a>}
<a name="l77"></a>
<a name="l78"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>DocDblBufEnd</span><span class=cF0>(</span><span class=cF9>CTask</span><span class=cF0> *task=</span><span class=cF3>NULL</span><span class=cF0>)
<a name="l79"></a>{</span><span class=cF2>//See </span><a href="https://zeal-operating-system.github.io/ZealOS/Demo/Spy.CC.html#l1"><span class=cF4>::/Demo/Spy.CC</span></a><span class=cF0>
<a name="l80"></a> </span><span class=cF1>Bool</span><span class=cF0> res = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l81"></a> </span><span class=cF9>CDoc</span><span class=cF0> *pdoc = </span><span class=cF5>DocPut</span><span class=cF0>(task), *ddoc = </span><span class=cF5>DocDisplay</span><span class=cF0>(task);
<a name="l82"></a>
<a name="l83"></a> </span><span class=cF1>if</span><span class=cF0> (pdoc &amp;&amp; ddoc &amp;&amp; pdoc != ddoc)
<a name="l84"></a> </span><span class=cF7>{</span><span class=cF2>//Double buffering?</span><span class=cF0>
<a name="l85"></a> </span><span class=cF1>if</span><span class=cF0> (!task)
<a name="l86"></a> task = </span><span class=cF5>Fs</span><span class=cF0>;
<a name="l87"></a> ddoc-&gt;flags |= </span><span class=cF3>DOCF_DONT_SHOW</span><span class=cF0>;
<a name="l88"></a> pdoc-&gt;flags &amp;= ~</span><span class=cF3>DOCF_DONT_SHOW</span><span class=cF0>;
<a name="l89"></a> </span><span class=cF5>DocLock</span><span class=cF0>(ddoc);
<a name="l90"></a> task-&gt;display_doc = pdoc;
<a name="l91"></a> </span><span class=cF5>DocUnlock</span><span class=cF0>(ddoc);
<a name="l92"></a> </span><span class=cF5>DocDel</span><span class=cF0>(ddoc);
<a name="l93"></a> res = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l94"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l95"></a>
<a name="l96"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l97"></a>}
<a name="l98"></a>
<a name="l99"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>DocDblBufSwap</span><span class=cF0>(</span><span class=cF9>CTask</span><span class=cF0> *task=</span><span class=cF3>NULL</span><span class=cF0>)
<a name="l100"></a>{</span><span class=cF2>//See </span><a href="https://zeal-operating-system.github.io/ZealOS/Demo/Spy.CC.html#l1"><span class=cF4>::/Demo/Spy.CC</span></a><span class=cF0>
<a name="l101"></a> </span><span class=cF1>Bool</span><span class=cF0> res = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l102"></a> </span><span class=cF9>CDoc</span><span class=cF0> *pdoc = </span><span class=cF5>DocPut</span><span class=cF0>(task), *ddoc = </span><span class=cF5>DocDisplay</span><span class=cF0>(task);
<a name="l103"></a>
<a name="l104"></a> </span><span class=cF1>if</span><span class=cF0> (pdoc &amp;&amp; ddoc &amp;&amp; pdoc != ddoc)
<a name="l105"></a> </span><span class=cF7>{</span><span class=cF2>//Double buffering?</span><span class=cF0>
<a name="l106"></a> </span><span class=cF1>if</span><span class=cF0> (!task)
<a name="l107"></a> task = </span><span class=cF5>Fs</span><span class=cF0>;
<a name="l108"></a> ddoc-&gt;flags |= </span><span class=cF3>DOCF_DONT_SHOW</span><span class=cF0>;
<a name="l109"></a> pdoc-&gt;flags &amp;= ~</span><span class=cF3>DOCF_DONT_SHOW</span><span class=cF0>;
<a name="l110"></a> </span><span class=cF5>DocLock</span><span class=cF0>(ddoc);
<a name="l111"></a> task-&gt;display_doc = pdoc;
<a name="l112"></a> </span><span class=cF5>DocUnlock</span><span class=cF0>(ddoc);
<a name="l113"></a> </span><span class=cF5>DocReset</span><span class=cF0>(ddoc, </span><span class=cF3>TRUE</span><span class=cF0>);
<a name="l114"></a> </span><span class=cF5>MemCopy</span><span class=cF0>(ddoc-&gt;find_replace, pdoc-&gt;find_replace, </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>CEdFindText</span><span class=cF7>)</span><span class=cF0>);
<a name="l115"></a> </span><span class=cF5>MemCopy</span><span class=cF0>(&amp;ddoc-&gt;filename, &amp;pdoc-&gt;filename, </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>CEdFileName</span><span class=cF7>)</span><span class=cF0>);
<a name="l116"></a> ddoc-&gt;max_entries = pdoc-&gt;max_entries;
<a name="l117"></a> ddoc-&gt;flags = pdoc-&gt;flags &amp; </span><span class=cF3>DOCG_DBL_BUF_FLAGS</span><span class=cF0> | ddoc-&gt;flags &amp; ~</span><span class=cF3>DOCG_DBL_BUF_FLAGS</span><span class=cF0>;
<a name="l118"></a> ddoc-&gt;left_click_link = pdoc-&gt;left_click_link;
<a name="l119"></a> ddoc-&gt;right_click_link = pdoc-&gt;right_click_link;
<a name="l120"></a> ddoc-&gt;user_put_data = pdoc-&gt;user_put_data;
<a name="l121"></a> ddoc-&gt;user_put_key = pdoc-&gt;user_put_key;
<a name="l122"></a> ddoc-&gt;user_put_s = pdoc-&gt;user_put_s;
<a name="l123"></a> ddoc-&gt;desc = pdoc-&gt;desc;
<a name="l124"></a> ddoc-&gt;user_data = pdoc-&gt;user_data;
<a name="l125"></a> task-&gt;put_doc = ddoc;
<a name="l126"></a> res = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l127"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l128"></a>
<a name="l129"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l130"></a>}
</span></pre></body>
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