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git-svn-id: svn://ultimatepp.org/upp/trunk@10280 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
cxl 2016-10-09 15:55:30 +00:00
parent 2bb38b8f97
commit 473925253a
6 changed files with 46 additions and 60 deletions
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2
reference/GuiMT/GuiMT.upp
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@ -1,4 +1,4 @@
description "Using event queue for communication between worker threads and GUI";
description "Using event queue for communication between worker threads and GUI\377";
uses
CtrlLib;

13
reference/GuiMT/main.cpp
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@ -5,9 +5,12 @@ using namespace Upp;
#define LAYOUTFILE <GuiMT/Divisors.lay>
#include <CtrlCore/lay.h>
struct Divisors : public WithDivisorsLayout<TopWindow> {
typedef Divisors CLASSNAME;
// This example shows older way how to do multithreded GUI using PostCallback to communicate
// between worker thread and main GUI thread.
// While PostCallback is still useful in certain circumstances, new applications are
// perhaps better off using GuiLock and Call, as demostrated in GuiLock reference example.
struct Divisors : public WithDivisorsLayout<TopWindow> {
volatile Atomic terminated;
volatile Atomic threads;
@ -42,10 +45,10 @@ void WorkerThread(DivisorsInfo f)
r2 = " " + AsString(j) + r2;
divisors++;
}
PostCallback(callback2(f.gui, &Divisors::ShowResult, f.line, "working..." + r1 + r2));
PostCallback([=] { f.gui->ShowResult(f.line, "working..." + r1 + r2); });
}
}
PostCallback(callback2(f.gui, &Divisors::ShowResult, f.line, AsString(divisors) + ": " + r1 + r2));
PostCallback([=] { f.gui->ShowResult(f.line, AsString(divisors) + ": " + r1 + r2); });
AtomicDec(f.gui->threads);
}
@ -79,7 +82,7 @@ Divisors::Divisors()
{
CtrlLayout(*this, "Window title");
Sizeable().Zoomable();
push <<= THISBACK(TestNumber);
push << [=] { TestNumber(); };
editor.SetFilter(CharFilterDigit);
table.AddColumn("Number");
table.AddColumn("Divisors");