Merge in from trunk r68626 - r68683

[wxWidgets.git] / include / wx / utils.h

diff --git a/include/wx/utils.h b/include/wx/utils.h
index 533e8a489e9960fd672b9f471d9ad99178e20822..b539373de9217c8d101425cc4b0b9db37b5960eb 100644 (file)
--- a/include/wx/utils.h
+++ b/include/wx/utils.h
@@ -19,6 +19,9 @@
 #include "wx/object.h"
 #include "wx/list.h"
 #include "wx/filefn.h"
+#include "wx/hashmap.h"
+#include "wx/versioninfo.h"
+#include "wx/meta/implicitconversion.h"
 
 #if wxUSE_GUI
     #include "wx/gdicmn.h"
@@ -52,14 +55,50 @@ class WXDLLIMPEXP_FWD_BASE wxProcess;
 class WXDLLIMPEXP_FWD_CORE wxFrame;
 class WXDLLIMPEXP_FWD_CORE wxWindow;
 class WXDLLIMPEXP_FWD_CORE wxWindowList;
+class WXDLLIMPEXP_FWD_CORE wxEventLoop;
 
 // ----------------------------------------------------------------------------
-// Macros
+// Arithmetic functions
 // ----------------------------------------------------------------------------
 
-#define wxMax(a,b)            (((a) > (b)) ? (a) : (b))
-#define wxMin(a,b)            (((a) < (b)) ? (a) : (b))
-#define wxClip(a,b,c)         (((a) < (b)) ? (b) : (((a) > (c)) ? (c) : (a)))
+template<typename T1, typename T2>
+inline typename wxImplicitConversionType<T1,T2>::value
+wxMax(T1 a, T2 b)
+{
+    typedef typename wxImplicitConversionType<T1,T2>::value ResultType;
+
+    // Cast both operands to the same type before comparing them to avoid
+    // warnings about signed/unsigned comparisons from some compilers:
+    return static_cast<ResultType>(a) > static_cast<ResultType>(b) ? a : b;
+}
+
+template<typename T1, typename T2>
+inline typename wxImplicitConversionType<T1,T2>::value
+wxMin(T1 a, T2 b)
+{
+    typedef typename wxImplicitConversionType<T1,T2>::value ResultType;
+
+    return static_cast<ResultType>(a) < static_cast<ResultType>(b) ? a : b;
+}
+
+template<typename T1, typename T2, typename T3>
+inline typename wxImplicitConversionType3<T1,T2,T3>::value
+wxClip(T1 a, T2 b, T3 c)
+{
+    typedef typename wxImplicitConversionType3<T1,T2,T3>::value ResultType;
+
+    if ( static_cast<ResultType>(a) < static_cast<ResultType>(b) )
+        return b;
+
+    if ( static_cast<ResultType>(a) > static_cast<ResultType>(c) )
+        return c;
+
+    return a;
+}
+
+// ----------------------------------------------------------------------------
+// wxMemorySize
+// ----------------------------------------------------------------------------
 
 // wxGetFreeMemory can return huge amount of memory on 32-bit platforms as well
 // so to always use long long for its result type on all platforms which
@@ -103,6 +142,8 @@ WXDLLIMPEXP_BASE void wxBell();
 WXDLLIMPEXP_CORE void wxInfoMessageBox(wxWindow* parent);
 #endif // wxUSE_MSGDLG
 
+WXDLLIMPEXP_CORE wxVersionInfo wxGetLibraryVersionInfo();
+
 // Get OS description as a user-readable string
 WXDLLIMPEXP_BASE wxString wxGetOsDescription();
 
@@ -252,6 +293,25 @@ WXDLLIMPEXP_BASE long wxNewId();
 // Convert 2-digit hex number to decimal
 WXDLLIMPEXP_BASE int wxHexToDec(const wxString& buf);
 
+// Convert 2-digit hex number to decimal
+inline int wxHexToDec(const char* buf)
+{
+    int firstDigit, secondDigit;
+
+    if (buf[0] >= 'A')
+        firstDigit = buf[0] - 'A' + 10;
+    else
+        firstDigit = buf[0] - '0';
+
+    if (buf[1] >= 'A')
+        secondDigit = buf[1] - 'A' + 10;
+    else
+        secondDigit = buf[1] - '0';
+
+    return (firstDigit & 0xF) * 16 + (secondDigit & 0xF );
+}
+
+
 // Convert decimal integer to 2-character hex string
 WXDLLIMPEXP_BASE void wxDecToHex(int dec, wxChar *buf);
 WXDLLIMPEXP_BASE void wxDecToHex(int dec, char* ch1, char* ch2);
@@ -294,6 +354,17 @@ enum
     wxEXEC_BLOCK = wxEXEC_SYNC | wxEXEC_NOEVENTS
 };
 
+// Map storing environment variables.
+typedef wxStringToStringHashMap wxEnvVariableHashMap;
+
+// Used to pass additional parameters for child process to wxExecute(). Could
+// be extended with other fields later.
+struct wxExecuteEnv
+{
+    wxString cwd;               // If empty, CWD is not changed.
+    wxEnvVariableHashMap env;   // If empty, environment is unchanged.
+};
+
 // Execute another program.
 //
 // If flags contain wxEXEC_SYNC, return -1 on failure and the exit code of the
@@ -301,27 +372,32 @@ enum
 // failure and the PID of the launched process if ok.
 WXDLLIMPEXP_BASE long wxExecute(const wxString& command,
                                 int flags = wxEXEC_ASYNC,
-                                wxProcess *process = NULL);
+                                wxProcess *process = NULL,
+                                const wxExecuteEnv *env = NULL);
 WXDLLIMPEXP_BASE long wxExecute(char **argv,
                                 int flags = wxEXEC_ASYNC,
-                                wxProcess *process = NULL);
+                                wxProcess *process = NULL,
+                                const wxExecuteEnv *env = NULL);
 #if wxUSE_UNICODE
 WXDLLIMPEXP_BASE long wxExecute(wchar_t **argv,
                                 int flags = wxEXEC_ASYNC,
-                                wxProcess *process = NULL);
+                                wxProcess *process = NULL,
+                                const wxExecuteEnv *env = NULL);
 #endif // wxUSE_UNICODE
 
 // execute the command capturing its output into an array line by line, this is
 // always synchronous
 WXDLLIMPEXP_BASE long wxExecute(const wxString& command,
                                 wxArrayString& output,
-                                int flags = 0);
+                                int flags = 0,
+                                const wxExecuteEnv *env = NULL);
 
 // also capture stderr (also synchronous)
 WXDLLIMPEXP_BASE long wxExecute(const wxString& command,
                                 wxArrayString& output,
                                 wxArrayString& error,
-                                int flags = 0);
+                                int flags = 0,
+                                const wxExecuteEnv *env = NULL);
 
 #if defined(__WXMSW__) && wxUSE_IPC
 // ask a DDE server to execute the DDE request with given parameters
@@ -460,6 +536,10 @@ inline bool wxSetEnv(const wxString& var, int value)
 }
 #endif // WXWIN_COMPATIBILITY_2_8
 
+// Retrieve the complete environment by filling specified map.
+// Returns true on success or false if an error occurred.
+WXDLLIMPEXP_BASE bool wxGetEnvMap(wxEnvVariableHashMap *map);
+
 // ----------------------------------------------------------------------------
 // Network and username functions.
 // ----------------------------------------------------------------------------
@@ -635,7 +715,9 @@ private:
     // disable all windows except the given one (used by both ctors)
     void DoDisable(wxWindow *winToSkip = NULL);
 
-
+#if defined(__WXOSX__) && wxOSX_USE_COCOA
+    wxEventLoop* m_modalEventLoop;
+#endif
     wxWindowList *m_winDisabled;
     bool m_disabled;