X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/73deed44e63d9d8d21a2ef6182bc685edc2bb0f9..7ae712f56622968fd7b23d14d22e076e3cb4c65a:/include/wx/utils.h diff --git a/include/wx/utils.h b/include/wx/utils.h index 854711fa9a..38bade0974 100644 --- a/include/wx/utils.h +++ b/include/wx/utils.h @@ -6,7 +6,7 @@ // Created: 29/01/98 // RCS-ID: $Id$ // Copyright: (c) 1998 Julian Smart -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_UTILSH__ @@ -16,7 +16,14 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) && !defined(__EMX__) +// Some older compilers (such as EMX) cannot handle +// #pragma interface/implementation correctly, iff +// #pragma implementation is used in _two_ translation +// units (as created by e.g. event.cpp compiled for +// libwx_base and event.cpp compiled for libwx_gui_core). +// So we must not use those pragmas for those compilers in +// such files. #pragma interface "utils.h" #endif @@ -24,6 +31,8 @@ #include "wx/list.h" #include "wx/filefn.h" +class WXDLLIMPEXP_BASE wxArrayString; + // need this for wxGetDiskSpace() as we can't, unfortunately, forward declare // wxLongLong #include "wx/longlong.h" @@ -39,11 +48,11 @@ // Forward declaration // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxProcess; -class WXDLLEXPORT wxFrame; -class WXDLLEXPORT wxWindow; -class WXDLLEXPORT wxWindowList; -class WXDLLEXPORT wxPoint; +class WXDLLIMPEXP_CORE wxProcess; +class WXDLLIMPEXP_CORE wxFrame; +class WXDLLIMPEXP_CORE wxWindow; +class WXDLLIMPEXP_CORE wxWindowList; +class WXDLLIMPEXP_CORE wxPoint; // ---------------------------------------------------------------------------- // Macros @@ -52,21 +61,26 @@ class WXDLLEXPORT wxPoint; #define wxMax(a,b) (((a) > (b)) ? (a) : (b)) #define wxMin(a,b) (((a) < (b)) ? (a) : (b)) +// wxGetFreeMemory can return huge amount of memory on 64-bit platforms +// define wxMemorySize according to the type which best fits your platform +#if wxUSE_LONGLONG && defined(__WIN64__) + // 64 bit Windowses have sizeof(long) only 32 bit long + // we need to use wxLongLong to express memory sizes + #define wxMemorySize wxLongLong +#else + // 64 bit UNIX has sizeof(long) = 64 + // assume 32 bit platforms cannnot return more than 32bits of + #define wxMemorySize long +#endif + // ---------------------------------------------------------------------------- // String functions (deprecated, use wxString) // ---------------------------------------------------------------------------- -// Useful buffer (FIXME VZ: To be removed!!!) -// Now only needed in Mac and MSW ports -#if !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__) && !defined(__WXMGL__) -WXDLLEXPORT_DATA(extern wxChar*) wxBuffer; -#endif - // Make a copy of this string using 'new' -WXDLLEXPORT wxChar* copystring(const wxChar *s); - -// Matches string one within string two regardless of case -WXDLLEXPORT bool StringMatch(const wxChar *one, const wxChar *two, bool subString = TRUE, bool exact = FALSE); +#if WXWIN_COMPATIBILITY_2_4 +wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* copystring(const wxChar *s) ); +#endif // A shorter way of using strcmp #define wxStringEq(s1, s2) (s1 && s2 && (wxStrcmp(s1, s2) == 0)) @@ -76,25 +90,32 @@ WXDLLEXPORT bool StringMatch(const wxChar *one, const wxChar *two, bool subStrin // ---------------------------------------------------------------------------- // Sound the bell -WXDLLEXPORT void wxBell(); +WXDLLIMPEXP_BASE void wxBell(); // Get OS description as a user-readable string -WXDLLEXPORT wxString wxGetOsDescription(); +WXDLLIMPEXP_BASE wxString wxGetOsDescription(); // Get OS version -WXDLLEXPORT int wxGetOsVersion(int *majorVsn = (int *) NULL, +WXDLLIMPEXP_BASE int wxGetOsVersion(int *majorVsn = (int *) NULL, int *minorVsn = (int *) NULL); // Return a string with the current date/time -WXDLLEXPORT wxString wxNow(); +WXDLLIMPEXP_BASE wxString wxNow(); -// Return path where wxWindows is installed (mostly useful in Unices) -WXDLLEXPORT const wxChar *wxGetInstallPrefix(); +// Return path where wxWidgets is installed (mostly useful in Unices) +WXDLLIMPEXP_BASE const wxChar *wxGetInstallPrefix(); // Return path to wxWin data (/usr/share/wx/%{version}) (Unices) -WXDLLEXPORT wxString wxGetDataDir(); +WXDLLIMPEXP_BASE wxString wxGetDataDir(); #if wxUSE_GUI + +// Get the state of a key (true if pressed, false if not) +// This is generally most useful getting the state of +// the modifier or toggle keys. +WXDLLEXPORT bool wxGetKeyState(wxKeyCode key); + + // Don't synthesize KeyUp events holding down a key and producing // KeyDown events with autorepeat. On by default and always on // in wxMSW. @@ -106,15 +127,9 @@ WXDLLEXPORT bool wxSetDetectableAutoRepeat( bool flag ); // Generate a unique ID WXDLLEXPORT long wxNewId(); -#if !defined(NewId) && defined(WXWIN_COMPATIBILITY) - #define NewId wxNewId -#endif // Ensure subsequent IDs don't clash with this one WXDLLEXPORT void wxRegisterId(long id); -#if !defined(RegisterId) && defined(WXWIN_COMPATIBILITY) - #define RegisterId wxRegisterId -#endif // Return the current ID WXDLLEXPORT long wxGetCurrentId(); @@ -125,43 +140,80 @@ WXDLLEXPORT long wxGetCurrentId(); // Various conversions // ---------------------------------------------------------------------------- -WXDLLEXPORT_DATA(extern const wxChar*) wxFloatToStringStr; -WXDLLEXPORT_DATA(extern const wxChar*) wxDoubleToStringStr; +// these functions are deprecated, use wxString methods instead! +#if WXWIN_COMPATIBILITY_2_4 + +WXDLLIMPEXP_DATA_BASE(extern const wxChar*) wxFloatToStringStr; +WXDLLIMPEXP_DATA_BASE(extern const wxChar*) wxDoubleToStringStr; -WXDLLEXPORT void StringToFloat(const wxChar *s, float *number); -WXDLLEXPORT wxChar* FloatToString(float number, const wxChar *fmt = wxFloatToStringStr); -WXDLLEXPORT void StringToDouble(const wxChar *s, double *number); -WXDLLEXPORT wxChar* DoubleToString(double number, const wxChar *fmt = wxDoubleToStringStr); -WXDLLEXPORT void StringToInt(const wxChar *s, int *number); -WXDLLEXPORT void StringToLong(const wxChar *s, long *number); -WXDLLEXPORT wxChar* IntToString(int number); -WXDLLEXPORT wxChar* LongToString(long number); +wxDEPRECATED( WXDLLIMPEXP_BASE void StringToFloat(const wxChar *s, float *number) ); +wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* FloatToString(float number, const wxChar *fmt = wxFloatToStringStr) ); +wxDEPRECATED( WXDLLIMPEXP_BASE void StringToDouble(const wxChar *s, double *number) ); +wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* DoubleToString(double number, const wxChar *fmt = wxDoubleToStringStr) ); +wxDEPRECATED( WXDLLIMPEXP_BASE void StringToInt(const wxChar *s, int *number) ); +wxDEPRECATED( WXDLLIMPEXP_BASE void StringToLong(const wxChar *s, long *number) ); +wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* IntToString(int number) ); +wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* LongToString(long number) ); + +#endif // WXWIN_COMPATIBILITY_2_4 // Convert 2-digit hex number to decimal -WXDLLEXPORT int wxHexToDec(const wxString& buf); +WXDLLIMPEXP_BASE int wxHexToDec(const wxString& buf); // Convert decimal integer to 2-character hex string -WXDLLEXPORT void wxDecToHex(int dec, wxChar *buf); -WXDLLEXPORT wxString wxDecToHex(int dec); +WXDLLIMPEXP_BASE void wxDecToHex(int dec, wxChar *buf); +WXDLLIMPEXP_BASE wxString wxDecToHex(int dec); // ---------------------------------------------------------------------------- // Process management // ---------------------------------------------------------------------------- -// Execute another program. Returns 0 if there was an error, a PID otherwise. -WXDLLEXPORT long wxExecute(wxChar **argv, bool sync = FALSE, +// NB: for backwards compatibility reasons the values of wxEXEC_[A]SYNC *must* +// be 0 and 1, don't change! + +enum +{ + // execute the process asynchronously + wxEXEC_ASYNC = 0, + + // execute it synchronously, i.e. wait until it finishes + wxEXEC_SYNC = 1, + + // under Windows, don't hide the child even if it's IO is redirected (this + // is done by default) + wxEXEC_NOHIDE = 2, + + // under Unix, if the process is the group leader then passing wxKILL_CHILDREN to wxKill + // kills all children as well as pid + wxEXEC_MAKE_GROUP_LEADER = 4, + + // by default synchronous execution disables all program windows to avoid + // that the user interacts with the program while the child process is + // running, you can use this flag to prevent this from happening + wxEXEC_NODISABLE = 8 +}; + +// Execute another program. +// +// If flags contain wxEXEC_SYNC, return -1 on failure and the exit code of the +// process if everything was ok. Otherwise (i.e. if wxEXEC_ASYNC), return 0 on +// failure and the PID of the launched process if ok. +WXDLLIMPEXP_BASE long wxExecute(wxChar **argv, int flags = wxEXEC_ASYNC, wxProcess *process = (wxProcess *) NULL); -WXDLLEXPORT long wxExecute(const wxString& command, bool sync = FALSE, +WXDLLIMPEXP_BASE long wxExecute(const wxString& command, int flags = wxEXEC_ASYNC, wxProcess *process = (wxProcess *) NULL); -// execute the command capturing its output into an array line by line -WXDLLEXPORT long wxExecute(const wxString& command, - wxArrayString& output); +// 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); -// also capture stderr -WXDLLEXPORT long wxExecute(const wxString& command, - wxArrayString& output, - wxArrayString& error); +// also capture stderr (also synchronous) +WXDLLIMPEXP_BASE long wxExecute(const wxString& command, + wxArrayString& output, + wxArrayString& error, + int flags = 0); enum wxSignal { @@ -195,44 +247,93 @@ enum wxKillError wxKILL_ERROR // another, unspecified error }; +enum wxKillFlags +{ + wxKILL_NOCHILDREN = 0, // don't kill children + wxKILL_CHILDREN = 1 // kill children +}; + +enum wxShutdownFlags +{ + wxSHUTDOWN_POWEROFF, // power off the computer + wxSHUTDOWN_REBOOT // shutdown and reboot +}; + +// Shutdown or reboot the PC +WXDLLIMPEXP_BASE bool wxShutdown(wxShutdownFlags wFlags); + +enum wxPowerType +{ + wxPOWER_SOCKET, + wxPOWER_BATTERY, + wxPOWER_UNKNOWN +}; + +WXDLLIMPEXP_BASE wxPowerType wxGetPowerType(); + +enum wxBatteryState +{ + wxBATTERY_NORMAL_STATE, // system is fully usable + wxBATTERY_LOW_STATE, // start to worry + wxBATTERY_CRITICAL_STATE, // save quickly + wxBATTERY_SHUTDOWN_STATE, // too late + wxBATTERY_UNKNOWN_STATE +}; + +WXDLLIMPEXP_BASE wxBatteryState wxGetBatteryState(); + // send the given signal to the process (only NONE and KILL are supported under // Windows, all others mean TERM), return 0 if ok and -1 on error // // return detailed error in rc if not NULL -WXDLLEXPORT int wxKill(long pid, +WXDLLIMPEXP_BASE int wxKill(long pid, wxSignal sig = wxSIGTERM, - wxKillError *rc = NULL); + wxKillError *rc = NULL, + int flags = wxKILL_NOCHILDREN); // Execute a command in an interactive shell window (always synchronously) // If no command then just the shell -WXDLLEXPORT bool wxShell(const wxString& command = wxEmptyString); +WXDLLIMPEXP_BASE bool wxShell(const wxString& command = wxEmptyString); // As wxShell(), but must give a (non interactive) command and its output will // be returned in output array -WXDLLEXPORT bool wxShell(const wxString& command, wxArrayString& output); +WXDLLIMPEXP_BASE bool wxShell(const wxString& command, wxArrayString& output); // Sleep for nSecs seconds -WXDLLEXPORT void wxSleep(int nSecs); +WXDLLIMPEXP_BASE void wxSleep(int nSecs); // Sleep for a given amount of milliseconds -WXDLLEXPORT void wxUsleep(unsigned long milliseconds); +WXDLLIMPEXP_BASE void wxMilliSleep(unsigned long milliseconds); + +// Sleep for a given amount of microseconds +WXDLLIMPEXP_BASE void wxMicroSleep(unsigned long microseconds); + +// Sleep for a given amount of milliseconds (old, bad name), use wxMilliSleep +wxDEPRECATED( WXDLLIMPEXP_BASE void wxUsleep(unsigned long milliseconds) ); + +// Get the process id of the current process +WXDLLIMPEXP_BASE unsigned long wxGetProcessId(); // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX) -WXDLLEXPORT long wxGetFreeMemory(); +WXDLLIMPEXP_BASE wxMemorySize wxGetFreeMemory(); + +#if wxUSE_ON_FATAL_EXCEPTION // should wxApp::OnFatalException() be called? -WXDLLEXPORT bool wxHandleFatalExceptions(bool doit = TRUE); +WXDLLIMPEXP_BASE bool wxHandleFatalExceptions(bool doit = true); + +#endif // wxUSE_ON_FATAL_EXCEPTION // ---------------------------------------------------------------------------- // Environment variables // ---------------------------------------------------------------------------- -// returns TRUE if variable exists (value may be NULL if you just want to check +// returns true if variable exists (value may be NULL if you just want to check // for this) -WXDLLEXPORT bool wxGetEnv(const wxString& var, wxString *value); +WXDLLIMPEXP_BASE bool wxGetEnv(const wxString& var, wxString *value); -// set the env var name to the given value, return TRUE on success -WXDLLEXPORT bool wxSetEnv(const wxString& var, const wxChar *value); +// set the env var name to the given value, return true on success +WXDLLIMPEXP_BASE bool wxSetEnv(const wxString& var, const wxChar *value); // remove the env var from environment inline bool wxUnsetEnv(const wxString& var) { return wxSetEnv(var, NULL); } @@ -244,39 +345,39 @@ inline bool wxUnsetEnv(const wxString& var) { return wxSetEnv(var, NULL); } // NB: "char *" functions are deprecated, use wxString ones! // Get eMail address -WXDLLEXPORT bool wxGetEmailAddress(wxChar *buf, int maxSize); -WXDLLEXPORT wxString wxGetEmailAddress(); +WXDLLIMPEXP_BASE bool wxGetEmailAddress(wxChar *buf, int maxSize); +WXDLLIMPEXP_BASE wxString wxGetEmailAddress(); // Get hostname. -WXDLLEXPORT bool wxGetHostName(wxChar *buf, int maxSize); -WXDLLEXPORT wxString wxGetHostName(); +WXDLLIMPEXP_BASE bool wxGetHostName(wxChar *buf, int maxSize); +WXDLLIMPEXP_BASE wxString wxGetHostName(); // Get FQDN -WXDLLEXPORT wxString wxGetFullHostName(); -WXDLLEXPORT bool wxGetFullHostName(wxChar *buf, int maxSize); +WXDLLIMPEXP_BASE wxString wxGetFullHostName(); +WXDLLIMPEXP_BASE bool wxGetFullHostName(wxChar *buf, int maxSize); // Get user ID e.g. jacs (this is known as login name under Unix) -WXDLLEXPORT bool wxGetUserId(wxChar *buf, int maxSize); -WXDLLEXPORT wxString wxGetUserId(); +WXDLLIMPEXP_BASE bool wxGetUserId(wxChar *buf, int maxSize); +WXDLLIMPEXP_BASE wxString wxGetUserId(); // Get user name e.g. Julian Smart -WXDLLEXPORT bool wxGetUserName(wxChar *buf, int maxSize); -WXDLLEXPORT wxString wxGetUserName(); +WXDLLIMPEXP_BASE bool wxGetUserName(wxChar *buf, int maxSize); +WXDLLIMPEXP_BASE wxString wxGetUserName(); // Get current Home dir and copy to dest (returns pstr->c_str()) -WXDLLEXPORT wxString wxGetHomeDir(); -WXDLLEXPORT const wxChar* wxGetHomeDir(wxString *pstr); +WXDLLIMPEXP_BASE wxString wxGetHomeDir(); +WXDLLIMPEXP_BASE const wxChar* wxGetHomeDir(wxString *pstr); // Get the user's home dir (caller must copy --- volatile) // returns NULL is no HOME dir is known #if defined(__UNIX__) && wxUSE_UNICODE -WXDLLEXPORT const wxMB2WXbuf wxGetUserHome(const wxString& user = wxEmptyString); +WXDLLIMPEXP_BASE const wxMB2WXbuf wxGetUserHome(const wxString& user = wxEmptyString); #else -WXDLLEXPORT wxChar* wxGetUserHome(const wxString& user = wxEmptyString); +WXDLLIMPEXP_BASE wxChar* wxGetUserHome(const wxString& user = wxEmptyString); #endif // get number of total/free bytes on the disk where path belongs -WXDLLEXPORT bool wxGetDiskSpace(const wxString& path, +WXDLLIMPEXP_BASE bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal = NULL, wxLongLong *pFree = NULL); @@ -298,37 +399,35 @@ WXDLLEXPORT wxAcceleratorEntry *wxGetAccelFromString(const wxString& label); // Window search // ---------------------------------------------------------------------------- +// Returns menu item id or wxNOT_FOUND if none. +WXDLLEXPORT int wxFindMenuItemId(wxFrame *frame, const wxString& menuString, const wxString& itemString); + +// Find the wxWindow at the given point. wxGenericFindWindowAtPoint +// is always present but may be less reliable than a native version. +WXDLLEXPORT wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt); +WXDLLEXPORT wxWindow* wxFindWindowAtPoint(const wxPoint& pt); + +// NB: this function is obsolete, use wxWindow::FindWindowByLabel() instead +// // Find the window/widget with the given title or label. // Pass a parent to begin the search from, or NULL to look through // all windows. WXDLLEXPORT wxWindow* wxFindWindowByLabel(const wxString& title, wxWindow *parent = (wxWindow *) NULL); +// NB: this function is obsolete, use wxWindow::FindWindowByName() instead +// // Find window by name, and if that fails, by label. WXDLLEXPORT wxWindow* wxFindWindowByName(const wxString& name, wxWindow *parent = (wxWindow *) NULL); -// Returns menu item id or -1 if none. -WXDLLEXPORT int wxFindMenuItemId(wxFrame *frame, const wxString& menuString, const wxString& itemString); - -// Find the wxWindow at the given point. wxGenericFindWindowAtPoint -// is always present but may be less reliable than a native version. -WXDLLEXPORT wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt); -WXDLLEXPORT wxWindow* wxFindWindowAtPoint(const wxPoint& pt); - // ---------------------------------------------------------------------------- // Message/event queue helpers // ---------------------------------------------------------------------------- -// Yield to other apps/messages -WXDLLEXPORT bool wxYield(); - -// Like wxYield, but fails silently if the yield is recursive. -WXDLLEXPORT bool wxYieldIfNeeded(); - // Yield to other apps/messages and disable user input -WXDLLEXPORT bool wxSafeYield(wxWindow *win = NULL); +WXDLLEXPORT bool wxSafeYield(wxWindow *win = NULL, bool onlyIfNeeded = false); // Enable or disable input to all top level windows -WXDLLEXPORT void wxEnableTopLevelWindows(bool enable = TRUE); +WXDLLEXPORT void wxEnableTopLevelWindows(bool enable = true); // Check whether this window wants to process messages, e.g. Stop button // in long calculations. @@ -347,6 +446,8 @@ public: private: wxWindowList *m_winDisabled; + + DECLARE_NO_COPY_CLASS(wxWindowDisabler) }; // ---------------------------------------------------------------------------- @@ -361,7 +462,7 @@ WXDLLEXPORT void wxBeginBusyCursor(wxCursor *cursor = wxHOURGLASS_CURSOR); // Restore cursor to normal WXDLLEXPORT void wxEndBusyCursor(); -// TRUE if we're between the above two calls +// true if we're between the above two calls WXDLLEXPORT bool wxIsBusy(); // Convenience class so we can just create a wxBusyCursor object on the stack @@ -438,22 +539,32 @@ void WXDLLEXPORT wxGetMousePosition( int* x, int* y ); #endif // wxUSE_GUI // ---------------------------------------------------------------------------- -// Error message functions used by wxWindows (deprecated, use wxLog) +// wxYield(): these functions are obsolete, please use wxApp methods instead! +// ---------------------------------------------------------------------------- + +// Yield to other apps/messages +WXDLLIMPEXP_BASE bool wxYield(); + +// Like wxYield, but fails silently if the yield is recursive. +WXDLLIMPEXP_BASE bool wxYieldIfNeeded(); + +// ---------------------------------------------------------------------------- +// Error message functions used by wxWidgets (deprecated, use wxLog) // ---------------------------------------------------------------------------- #if WXWIN_COMPATIBILITY_2_2 // Format a message on the standard error (UNIX) or the debugging // stream (Windows) -WXDLLEXPORT void wxDebugMsg(const wxChar *fmt ...); +wxDEPRECATED( WXDLLIMPEXP_BASE void wxDebugMsg(const wxChar *fmt ...) ATTRIBUTE_PRINTF_1 ); // Non-fatal error (continues) -WXDLLEXPORT_DATA(extern const wxChar*) wxInternalErrorStr; -WXDLLEXPORT void wxError(const wxString& msg, const wxString& title = wxInternalErrorStr); +WXDLLIMPEXP_DATA_BASE(extern const wxChar*) wxInternalErrorStr; +wxDEPRECATED( WXDLLIMPEXP_BASE void wxError(const wxString& msg, const wxString& title = wxInternalErrorStr) ); // Fatal error (exits) -WXDLLEXPORT_DATA(extern const wxChar*) wxFatalErrorStr; -WXDLLEXPORT void wxFatalError(const wxString& msg, const wxString& title = wxFatalErrorStr); +WXDLLIMPEXP_DATA_BASE(extern const wxChar*) wxFatalErrorStr; +wxDEPRECATED( WXDLLIMPEXP_BASE void wxFatalError(const wxString& msg, const wxString& title = wxFatalErrorStr) ); #endif // WXWIN_COMPATIBILITY_2_2