X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bdc72a22686ac141e9bc4559a1171d017fdcb094..5da0803c1534db8a410cdff616921175a8ddda77:/include/wx/utils.h diff --git a/include/wx/utils.h b/include/wx/utils.h index a3c326248b..c25c3efe53 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__ @@ -16,15 +16,20 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface "utils.h" #endif -#include "wx/setup.h" #include "wx/object.h" #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" + #ifdef __X__ #include #include @@ -36,15 +41,11 @@ // Forward declaration // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxProcess; -class WXDLLEXPORT wxFrame; -class WXDLLEXPORT wxWindow; - -// FIXME should use wxStricmp() instead -#if defined(__GNUWIN32__) - #define stricmp strcasecmp - #define strnicmp strncasecmp -#endif +class WXDLLIMPEXP_BASE wxProcess; +class WXDLLIMPEXP_BASE wxFrame; +class WXDLLIMPEXP_BASE wxWindow; +class WXDLLIMPEXP_BASE wxWindowList; +class WXDLLIMPEXP_BASE wxPoint; // ---------------------------------------------------------------------------- // Macros @@ -57,14 +58,15 @@ class WXDLLEXPORT wxWindow; // String functions (deprecated, use wxString) // ---------------------------------------------------------------------------- -// Useful buffer (FIXME VZ: yeah, that is. To be removed!) -WXDLLEXPORT_DATA(extern wxChar*) wxBuffer; - // Make a copy of this string using 'new' -WXDLLEXPORT wxChar* copystring(const wxChar *s); +#if WXWIN_COMPATIBILITY_2_4 +WXDLLIMPEXP_BASE wxChar* copystring(const wxChar *s); +#endif +#if WXWIN_COMPATIBILITY_2 // Matches string one within string two regardless of case -WXDLLEXPORT bool StringMatch(wxChar *one, wxChar *two, bool subString = TRUE, bool exact = FALSE); +WXDLLIMPEXP_BASE bool StringMatch(const wxChar *one, const wxChar *two, bool subString = TRUE, bool exact = FALSE); +#endif // A shorter way of using strcmp #define wxStringEq(s1, s2) (s1 && s2 && (wxStrcmp(s1, s2) == 0)) @@ -74,17 +76,23 @@ WXDLLEXPORT bool StringMatch(wxChar *one, wxChar *two, bool subString = TRUE, bo // ---------------------------------------------------------------------------- // 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) +WXDLLIMPEXP_BASE const wxChar *wxGetInstallPrefix(); +// Return path to wxWin data (/usr/share/wx/%{version}) (Unices) +WXDLLIMPEXP_BASE wxString wxGetDataDir(); + #if wxUSE_GUI // Don't synthesize KeyUp events holding down a key and producing @@ -117,35 +125,74 @@ 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(wxChar *s, float *number); -WXDLLEXPORT wxChar* FloatToString(float number, const wxChar *fmt = wxFloatToStringStr); -WXDLLEXPORT void StringToDouble(wxChar *s, double *number); -WXDLLEXPORT wxChar* DoubleToString(double number, const wxChar *fmt = wxDoubleToStringStr); -WXDLLEXPORT void StringToInt(wxChar *s, int *number); -WXDLLEXPORT void StringToLong(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, this is +// always synchronous +WXDLLIMPEXP_BASE long wxExecute(const wxString& command, + wxArrayString& output); + +// also capture stderr (also synchronous) +WXDLLIMPEXP_BASE long wxExecute(const wxString& command, + wxArrayString& output, + wxArrayString& error); + enum wxSignal { wxSIGNONE = 0, // verify if the process exists under Unix @@ -169,21 +216,68 @@ enum wxSignal // further signals are different in meaning between different Unix systems }; -// the argument is ignored under Windows - the process is always killed -WXDLLEXPORT int wxKill(long pid, wxSignal sig = wxSIGTERM); +enum wxKillError +{ + wxKILL_OK, // no error + wxKILL_BAD_SIGNAL, // no such signal + wxKILL_ACCESS_DENIED, // permission denied + wxKILL_NO_PROCESS, // no such process + 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 +WXDLLIMPEXP_BASE int wxKill(long pid, + wxSignal sig = wxSIGTERM, + wxKillError *rc = NULL); -// Execute a command in an interactive shell window +// 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 +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? +WXDLLIMPEXP_BASE bool wxHandleFatalExceptions(bool doit = TRUE); + +// ---------------------------------------------------------------------------- +// Environment variables +// ---------------------------------------------------------------------------- + +// returns TRUE if variable exists (value may be NULL if you just want to check +// for this) +WXDLLIMPEXP_BASE bool wxGetEnv(const wxString& var, wxString *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); } // ---------------------------------------------------------------------------- // Network and username functions. @@ -192,43 +286,49 @@ WXDLLEXPORT long wxGetFreeMemory(); // 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 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 +WXDLLIMPEXP_BASE bool wxGetDiskSpace(const wxString& path, + wxLongLong *pTotal = NULL, + wxLongLong *pFree = NULL); + #if wxUSE_GUI // GUI only things from now on // ---------------------------------------------------------------------------- // Menu accelerators related things // ---------------------------------------------------------------------------- -WXDLLEXPORT wxChar* wxStripMenuCodes(wxChar *in, wxChar *out = (wxChar *) NULL); +WXDLLEXPORT wxChar* wxStripMenuCodes(const wxChar *in, wxChar *out = (wxChar *) NULL); WXDLLEXPORT wxString wxStripMenuCodes(const wxString& str); #if wxUSE_ACCEL @@ -240,26 +340,32 @@ WXDLLEXPORT wxAcceleratorEntry *wxGetAccelFromString(const wxString& label); // Window search // ---------------------------------------------------------------------------- +// 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); + +// 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); - // ---------------------------------------------------------------------------- // Message/event queue helpers // ---------------------------------------------------------------------------- -// Yield to other apps/messages -WXDLLEXPORT bool wxYield(); - // 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); @@ -271,6 +377,20 @@ WXDLLEXPORT bool wxCheckForInterrupt(wxWindow *wnd); // Consume all events until no more left WXDLLEXPORT void wxFlushEvents(); +// a class which disables all windows (except, may be, thegiven one) in its +// ctor and enables them back in its dtor +class WXDLLEXPORT wxWindowDisabler +{ +public: + wxWindowDisabler(wxWindow *winToSkip = (wxWindow *)NULL); + ~wxWindowDisabler(); + +private: + wxWindowList *m_winDisabled; + + DECLARE_NO_COPY_CLASS(wxWindowDisabler) +}; + // ---------------------------------------------------------------------------- // Cursors // ---------------------------------------------------------------------------- @@ -292,25 +412,18 @@ class WXDLLEXPORT wxBusyCursor public: wxBusyCursor(wxCursor* cursor = wxHOURGLASS_CURSOR) { wxBeginBusyCursor(cursor); } - ~wxBusyCursor() + ~wxBusyCursor() { wxEndBusyCursor(); } -}; -// ---------------------------------------------------------------------------- -// Error message functions used by wxWindows (deprecated, use wxLog) -// ---------------------------------------------------------------------------- - -// Format a message on the standard error (UNIX) or the debugging -// stream (Windows) -WXDLLEXPORT void wxDebugMsg(const wxChar *fmt ...); - -// Non-fatal error (continues) -WXDLLEXPORT_DATA(extern const wxChar*) wxInternalErrorStr; -WXDLLEXPORT void wxError(const wxString& msg, const wxString& title = wxInternalErrorStr); + // FIXME: These two methods are currently only implemented (and needed?) + // in wxGTK. BusyCursor handling should probably be moved to + // common code since the wxGTK and wxMSW implementations are very + // similar except for wxMSW using HCURSOR directly instead of + // wxCursor.. -- RL. + static const wxCursor &GetStoredCursor(); + static const wxCursor GetBusyCursor(); +}; -// Fatal error (exits) -WXDLLEXPORT_DATA(extern const wxChar*) wxFatalErrorStr; -WXDLLEXPORT void wxFatalError(const wxString& msg, const wxString& title = wxFatalErrorStr); // ---------------------------------------------------------------------------- // Reading and writing resources (eg WIN.INI, .Xdefaults) @@ -333,13 +446,8 @@ void WXDLLEXPORT wxGetMousePosition( int* x, int* y ); // MSW only: get user-defined resource from the .res file. // Returns NULL or newly-allocated memory, so use delete[] to clean up. #ifdef __WXMSW__ -WXDLLEXPORT extern const wxChar* wxUserResourceStr; -WXDLLEXPORT wxChar* wxLoadUserResource(const wxString& resourceName, const wxString& resourceType = wxUserResourceStr); - -// Implemented in utils.cpp: VC++, Win95 only. Sets up a console for standard -// input/output -WXDLLEXPORT void wxRedirectIOToConsole(); - + WXDLLEXPORT extern const wxChar* wxUserResourceStr; + WXDLLEXPORT wxChar* wxLoadUserResource(const wxString& resourceName, const wxString& resourceType = wxUserResourceStr); #endif // MSW // ---------------------------------------------------------------------------- @@ -362,33 +470,44 @@ WXDLLEXPORT void wxRedirectIOToConsole(); // The resulting warnings are switched off here #pragma message disable nosimpint #endif -#include +// #include #ifdef __VMS__ #pragma message enable nosimpint #endif -#define wxMAX_RGB 0xff -#define wxMAX_SV 1000 -#define wxSIGN(x) ((x < 0) ? -x : x) -#define wxH_WEIGHT 4 -#define wxS_WEIGHT 1 -#define wxV_WEIGHT 2 +#endif //__X__ -typedef struct wx_hsv { - int h,s,v; - } wxHSV; +#endif // wxUSE_GUI -#define wxMax3(x,y,z) ((x > y) ? ((x > z) ? x : z) : ((y > z) ? y : z)) -#define wxMin3(x,y,z) ((x < y) ? ((x < z) ? x : z) : ((y < z) ? y : z)) +// ---------------------------------------------------------------------------- +// wxYield(): these functions are obsolete, please use wxApp methods instead! +// ---------------------------------------------------------------------------- -void wxHSVToXColor(wxHSV *hsv,XColor *xcolor); -void wxXColorToHSV(wxHSV *hsv,XColor *xcolor); -void wxAllocNearestColor(Display *display,Colormap colormap,XColor *xcolor); -void wxAllocColor(Display *display,Colormap colormap,XColor *xcolor); +// Yield to other apps/messages +WXDLLIMPEXP_BASE bool wxYield(); -#endif //__X__ +// Like wxYield, but fails silently if the yield is recursive. +WXDLLIMPEXP_BASE bool wxYieldIfNeeded(); -#endif // wxUSE_GUI +// ---------------------------------------------------------------------------- +// 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) +WXDLLIMPEXP_BASE void wxDebugMsg(const wxChar *fmt ...) ATTRIBUTE_PRINTF_1; + +// Non-fatal error (continues) +WXDLLIMPEXP_DATA_BASE(extern const wxChar*) wxInternalErrorStr; +WXDLLIMPEXP_BASE void wxError(const wxString& msg, const wxString& title = wxInternalErrorStr); + +// Fatal error (exits) +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__