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Determine if only one instance is running: Difference between revisions

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Determine if only one instance is running (view source)

Revision as of 20:54, 12 January 2022

3,608 bytes added ,  2 years ago
m
→‎{{header|Phix}}: added syntax colouring, marked p2js incompatible
(Determine if only one instance is running en FreeBASIC)
m (→‎{{header|Phix}}: added syntax colouring, marked p2js incompatible)
Line 956:
=={{header|Phix}}==
{{libheader|Phix/pGUI}}
<!--<lang Phix>(notonline)-- demo\rosetta\Single_instance.exw>
<span style="color: #000080;font-style:italic;">-- demo\rosetta\Single_instance.exw</span>
include pGUI.e
<span style="color: #008080;">without</span> <span style="color: #008080;">js</span>
 
<span style="color: #008080;">include</span> <span style="color: #000000;">pGUI</span><span style="color: #0000FF;">.</span><span style="color: #000000;">e</span>
function copydata_cb(Ihandle /*ih*/, atom pCommandLine, integer size)
-- (the first instance is sent a copy of the second one's command line)▼
<span style="color: #008080;">function</span> <span style="color: #000000;">copydata_cb</span><span style="color: #0000FF;">(</span><span style="color: #004080;">Ihandle</span> <span style="color: #000080;font-style:italic;">/*ih*/</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">atom</span> <span style="color: #000000;">pCommandLine</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">integer</span> <span style="color: #000000;">size</span><span style="color: #0000FF;">)</span>
printf(1,"COPYDATA(%s, %d)\n",{peek_string(pCommandLine), size});
▲ <span style="color: #000080;font-style:italic;">-- (the first instance is sent a copy of the second one's command line)</span>
return IUP_DEFAULT;
<span style="color: #7060A8;">printf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"COPYDATA(%s, %d)\n"</span><span style="color: #0000FF;">,{</span><span style="color: #7060A8;">peek_string</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pCommandLine</span><span style="color: #0000FF;">),</span> <span style="color: #000000;">size</span><span style="color: #0000FF;">});</span>
end function
<span style="color: #008080;">return</span> <span style="color: #004600;">IUP_DEFAULT</span><span style="color: #0000FF;">;</span>
 
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
IupOpen()
IupSetGlobal("SINGLEINSTANCE", "Single") -- (must [partially] match the main window title)
<span style="color: #7060A8;">IupOpen</span><span style="color: #0000FF;">()</span>
if IupGetGlobal("SINGLEINSTANCE")!="" then
<span style="color: #7060A8;">IupSetGlobal</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"SINGLEINSTANCE"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"Single"</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- (must [partially] match the main window title)</span>
Ihandle dlg = IupDialog(IupVbox({IupLabel("hello")},"MARGIN=200x200"))
<span style="color: #008080;">if</span> <span style="color: #7060A8;">IupGetGlobal</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"SINGLEINSTANCE"</span><span style="color: #0000FF;">)!=</span><span style="color: #008000;">""</span> <span style="color: #008080;">then</span>
IupSetAttribute(dlg,"TITLE","Single Instance")
<span style="color: #004080;">Ihandle</span> <span style="color: #000000;">dlg</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupDialog</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">IupVbox</span><span style="color: #0000FF;">({</span><span style="color: #7060A8;">IupLabel</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"hello"</span><span style="color: #0000FF;">)},</span><span style="color: #008000;">"MARGIN=200x200"</span><span style="color: #0000FF;">))</span>
IupSetCallback(dlg, "COPYDATA_CB", Icallback("copydata_cb"));
<span style="color: #7060A8;">IupSetAttribute</span><span style="color: #0000FF;">(</span><span style="color: #000000;">dlg</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"TITLE"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"Single Instance"</span><span style="color: #0000FF;">)</span>
IupShow(dlg)
<span style="color: #7060A8;">IupSetCallback</span><span style="color: #0000FF;">(</span><span style="color: #000000;">dlg</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"COPYDATA_CB"</span><span style="color: #0000FF;">,</span> <span style="color: #7060A8;">Icallback</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"copydata_cb"</span><span style="color: #0000FF;">));</span>
IupMainLoop()
<span style="color: #7060A8;">IupShow</span><span style="color: #0000FF;">(</span><span style="color: #000000;">dlg</span><span style="color: #0000FF;">)</span>
end if
<span style="color: #7060A8;">IupMainLoop</span><span style="color: #0000FF;">()</span>
IupClose()</lang>
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
<span style="color: #7060A8;">IupClose</span><span style="color: #0000FF;">()</span>
<!--</lang>-->
 
=={{header|PicoLisp}}==
Petelomax
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