From 8de6b9bbb8259608d7ec8bdab0c4d3d7910ea2b6 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Wed, 23 Mar 2005 20:48:50 +0000
Subject: [PATCH] added IsFalse() to simplify code doing
 HasOption(very-long-option-name) &&
 !GetOptionInt(the-same-very-long-option-name) elsewhere

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@33004 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 docs/latex/wx/sysopt.tex | 10 ++++++++++
 include/wx/sysopt.h      |  5 +++++
 2 files changed, 15 insertions(+)

diff --git a/docs/latex/wx/sysopt.tex b/docs/latex/wx/sysopt.tex
index 4a8a6ee7fc..91ffd8eba4 100644
--- a/docs/latex/wx/sysopt.tex
+++ b/docs/latex/wx/sysopt.tex
@@ -125,6 +125,16 @@ Returns \true if the given option is present. The function is case-insensitive t
 \helpref{wxSystemOptions::GetOptionInt}{wxsystemoptionsgetoptionint}
 
 
+\membersection{wxSystemOptions::IsFalse}\label{wxsystemoptionsisfalse}
+
+\constfunc{bool}{IsFalse}{\param{const wxString\&}{ name}}
+
+Returns \true if the option with the given \arg{name} had been set to $0$
+value. This is mostly useful for boolean options for which you can't use
+\texttt{GetOptionInt(name) == 0} as this would also be true if the option
+hadn't been set at all.
+
+
 \membersection{wxSystemOptions::SetOption}\label{wxsystemoptionssetoption}
 
 \func{void}{SetOption}{\param{const wxString\&}{ name}, \param{const wxString\&}{ value}}
diff --git a/include/wx/sysopt.h b/include/wx/sysopt.h
index 90d802215b..0b8a771666 100644
--- a/include/wx/sysopt.h
+++ b/include/wx/sysopt.h
@@ -34,6 +34,11 @@ public:
     static wxString GetOption(const wxString& name);
     static int GetOptionInt(const wxString& name);
     static bool HasOption(const wxString& name);
+
+    static bool IsFalse(const wxString& name)
+    {
+        return HasOption(name) && GetOptionInt(name) == 0;
+    }
 };
 
 #if !wxUSE_SYSTEM_OPTIONS
-- 
2.45.2