added CheckOS/ToolkitVersion()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41243 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/platinfo.tex

@@ -142,6 +142,32 @@ Initializes the object using given values.
 
 
 
+\membersection{wxPlatformInfo::CheckOSVersion}\label{wxplatforminfocheckosversion}
+
+\constfunc{bool}{CheckOSVersion}{\param{int major}, \param{int minor}}
+
+Returns \true if the OS version is at least \texttt{major.minor}.
+
+\wxheading{See also}
+
+\helpref{GetOSMajorVersion}{wxplatforminfogetosmajorversion},
+\helpref{GetOSMinorVersion}{wxplatforminfogetosminorversion},
+\helpref{CheckToolkitVersion}{wxplatforminfochecktoolkitversion}
+
+
+\membersection{wxPlatformInfo::CheckToolkitVersion}\label{wxplatforminfochecktoolkitversion}
+
+\constfunc{bool}{CheckToolkitVersion}{\param{int major}, \param{int minor}}
+
+Returns \true if the toolkit version is at least \texttt{major.minor}.
+
+\wxheading{See also}
+
+\helpref{GetToolkitMajorVersion}{wxplatforminfogettoolkitmajorversion},
+\helpref{GetToolkitMinorVersion}{wxplatforminfogettoolkitminorversion},
+\helpref{CheckOSVersion}{wxplatforminfocheckosversion}
+
+
 
 \membersection{wxPlatformInfo::GetArch}\label{wxplatforminfogetarch}
 
@@ -204,12 +230,18 @@ Returns the name for the endianness of this wxPlatformInfo instance.
 
 Returns the major version of the OS associated with this wxPlatformInfo instance.
 
+\wxheading{See also}
+
+\helpref{CheckOSVersion}{wxplatforminfocheckosversion}
+
+
 \membersection{wxPlatformInfo::GetOSMinorVersion}\label{wxplatforminfogetosminorversion}
 
 \constfunc{int}{GetOSMinorVersion}{\void}
 
 Returns the minor version of the OS associated with this wxPlatformInfo instance.
 
+\helpref{CheckOSVersion}{wxplatforminfocheckosversion}
 
 
 
@@ -311,6 +343,11 @@ Returns the short name of the wxWidgets port ID associated with this wxPlatformI
 Returns the major version of the toolkit associated with this wxPlatformInfo instance.
 Note that if {GetPortId}{wxplatforminfogetportid} returns wxPORT\_BASE, then this value is zero (unless externally modified with SetToolkitVersion); that is, no native toolkit is in use.
 
+\wxheading{See also}
+
+\helpref{CheckToolkitVersion}{wxplatforminfochecktoolkitversion}
+
+
 \membersection{wxPlatformInfo::GetToolkitMinorVersion}\label{wxplatforminfogettoolkitminorversion}
 
 \constfunc{int}{GetToolkitMinorVersion}{\void}
@@ -318,6 +355,10 @@ Note that if {GetPortId}{wxplatforminfogetportid} returns wxPORT\_BASE, then thi
 Returns the minor version of the toolkit associated with this wxPlatformInfo instance.
 Note that if {GetPortId}{wxplatforminfogetportid} returns wxPORT\_BASE, then this value is zero (unless externally modified with SetToolkitVersion); that is, no native toolkit is in use.
 
+\wxheading{See also}
+
+\helpref{CheckToolkitVersion}{wxplatforminfochecktoolkitversion}
+
 
 
 

include/wx/platinfo.h

@@ -159,11 +159,28 @@ public:
     int GetOSMinorVersion() const
         { return m_osVersionMinor; }
 
+    // return true if the OS version >= major.minor
+    bool CheckOSVersion(int major, int minor) const
+    {
+        return DoCheckVersion(GetOSMajorVersion(),
+                              GetOSMinorVersion(),
+                              major,
+                              minor);
+    }
+
     int GetToolkitMajorVersion() const
         { return m_tkVersionMajor; }
     int GetToolkitMinorVersion() const
         { return m_tkVersionMinor; }
 
+    bool CheckToolkitVersion(int major, int minor) const
+    {
+        return DoCheckVersion(GetToolkitMajorVersion(),
+                              GetToolkitMinorVersion(),
+                              major,
+                              minor);
+    }
+
     bool IsUsingUniversalWidgets() const
         { return m_usingUniversal; }
 
@@ -202,13 +219,13 @@ public:
         { m_tkVersionMajor=major; m_tkVersionMinor=minor; }
 
     void SetOperatingSystemId(wxOperatingSystemId n)
-        { m_os=n; }
+        { m_os = n; }
     void SetPortId(wxPortId n)
-        { m_port=n; }
+        { m_port = n; }
     void SetArchitecture(wxArchitecture n)
-        { m_arch=n; }
+        { m_arch = n; }
     void SetEndianness(wxEndianness n)
-        { m_endian=n; }
+        { m_endian = n; }
 
     // miscellaneous
     // -----------------
@@ -224,12 +241,18 @@ public:
 
 
 protected:
+    static bool DoCheckVersion(int majorCur, int minorCur, int major, int minor)
+    {
+        return majorCur > major || (majorCur == major && minorCur >= minor);
+    }
+
     // OS stuff
     // -----------------
 
     // Version of the OS; valid if m_os != wxOS_UNKNOWN
     // (-1 means not initialized yet).
-    int m_osVersionMajor, m_osVersionMinor;
+    int m_osVersionMajor,
+        m_osVersionMinor;
 
     // Operating system ID.
     wxOperatingSystemId m_os;