X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/45ff6421e6d0327584bb85aeb5bda8be48b6ca5e..4b5e5cfb2230d990c6988266340329c420cd1a74:/include/wx/utils.h diff --git a/include/wx/utils.h b/include/wx/utils.h index fd8f12f022..41577006b3 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_BASE wxProcess; +class WXDLLIMPEXP_BASE wxFrame; +class WXDLLIMPEXP_BASE wxWindow; +class WXDLLIMPEXP_BASE wxWindowList; +class WXDLLIMPEXP_BASE wxPoint; // ---------------------------------------------------------------------------- // Macros @@ -56,17 +65,10 @@ class WXDLLEXPORT wxPoint; // 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 +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 +78,35 @@ 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(); +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 +#if defined(__WXMSW__) || defined(__WXMAC__) + // Get the state of a key (true if pressed, false if not) + // This is generally most useful getting the state of + // Caps Lock, Num Lock and Scroll Lock... + + // Note - There is a X11/GTK version which will be here + // soon + WXDLLEXPORT bool wxGetKeyState(wxKeyCode key); +#endif + // 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 +118,9 @@ 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(); @@ -125,41 +131,71 @@ 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; + +WXDLLIMPEXP_BASE void StringToFloat(const wxChar *s, float *number); +WXDLLIMPEXP_BASE wxChar* FloatToString(float number, const wxChar *fmt = wxFloatToStringStr); +WXDLLIMPEXP_BASE void StringToDouble(const wxChar *s, double *number); +WXDLLIMPEXP_BASE wxChar* DoubleToString(double number, const wxChar *fmt = wxDoubleToStringStr); +WXDLLIMPEXP_BASE void StringToInt(const wxChar *s, int *number); +WXDLLIMPEXP_BASE void StringToLong(const wxChar *s, long *number); +WXDLLIMPEXP_BASE wxChar* IntToString(int number); +WXDLLIMPEXP_BASE wxChar* LongToString(long number); -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); +#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 backwars 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 killing -pid kills + // all children as well as pid + wxEXEC_MAKE_GROUP_LEADER = 4 +}; + +// 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, +// 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); -// also capture stderr -WXDLLEXPORT long wxExecute(const wxString& command, +// also capture stderr (also synchronous) +WXDLLIMPEXP_BASE long wxExecute(const wxString& command, wxArrayString& output, wxArrayString& error); @@ -195,33 +231,45 @@ enum wxKillError wxKILL_ERROR // another, unspecified error }; +enum wxShutdownFlags +{ + wxSHUTDOWN_POWEROFF, // power off the computer + wxSHUTDOWN_REBOOT // shutdown and reboot +}; + +// Shutdown or reboot the PC +WXDLLIMPEXP_BASE bool wxShutdown(wxShutdownFlags wFlags); + // 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); // 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 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 long wxGetFreeMemory(); // should wxApp::OnFatalException() be called? -WXDLLEXPORT bool wxHandleFatalExceptions(bool doit = TRUE); +WXDLLIMPEXP_BASE bool wxHandleFatalExceptions(bool doit = TRUE); // ---------------------------------------------------------------------------- // Environment variables @@ -229,10 +277,10 @@ WXDLLEXPORT bool wxHandleFatalExceptions(bool doit = TRUE); // 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); +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 +292,39 @@ 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); @@ -298,14 +346,6 @@ WXDLLEXPORT wxAcceleratorEntry *wxGetAccelFromString(const wxString& label); // Window search // ---------------------------------------------------------------------------- -// 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); - -// 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); @@ -314,18 +354,24 @@ WXDLLEXPORT int wxFindMenuItemId(wxFrame *frame, const wxString& menuString, con 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); + // ---------------------------------------------------------------------------- // 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); @@ -347,6 +393,8 @@ public: private: wxWindowList *m_winDisabled; + + DECLARE_NO_COPY_CLASS(wxWindowDisabler) }; // ---------------------------------------------------------------------------- @@ -437,22 +485,35 @@ void WXDLLEXPORT wxGetMousePosition( int* x, int* y ); #endif // wxUSE_GUI +// ---------------------------------------------------------------------------- +// 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 wxWindows (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 ...); +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; +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; +WXDLLIMPEXP_BASE void wxFatalError(const wxString& msg, const wxString& title = wxFatalErrorStr); +#endif // WXWIN_COMPATIBILITY_2_2 #endif // _WX_UTILSH__