X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/96c5bd7fc45bdebc013e0621574840294e3ecfa0..6968a3b87cee46f5c5af9b46e1ef97f17133cef7:/include/wx/utils.h diff --git a/include/wx/utils.h b/include/wx/utils.h index 4a11fd3316..3df820da57 100644 --- a/include/wx/utils.h +++ b/include/wx/utils.h @@ -1,34 +1,46 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: utils.h +// Name: wx/utils.h // Purpose: Miscellaneous utilities // Author: Julian Smart // Modified by: // Created: 29/01/98 // RCS-ID: $Id$ // Copyright: (c) 1998 Julian Smart -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef _WX_UTILSH__ -#define _WX_UTILSH__ +#ifndef _WX_UTILS_H_ +#define _WX_UTILS_H_ // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma interface "utils.h" -#endif - -#include "wx/setup.h" #include "wx/object.h" #include "wx/list.h" -#include "wx/window.h" #include "wx/filefn.h" +#include "wx/hashmap.h" +#include "wx/versioninfo.h" +#include "wx/meta/implicitconversion.h" -#include "wx/ioswrap.h" +#if wxUSE_GUI + #include "wx/gdicmn.h" + #include "wx/mousestate.h" +#endif -#ifdef __X__ +class WXDLLIMPEXP_FWD_BASE wxArrayString; +class WXDLLIMPEXP_FWD_BASE wxArrayInt; + +// need this for wxGetDiskSpace() as we can't, unfortunately, forward declare +// wxLongLong +#include "wx/longlong.h" + +// needed for wxOperatingSystemId, wxLinuxDistributionInfo +#include "wx/platinfo.h" + +#ifdef __WATCOMC__ + #include +#elif defined(__X__) #include #include #endif @@ -39,107 +51,366 @@ // Forward declaration // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxProcess; -class WXDLLEXPORT wxFrame; +class WXDLLIMPEXP_FWD_BASE wxProcess; +class WXDLLIMPEXP_FWD_CORE wxFrame; +class WXDLLIMPEXP_FWD_CORE wxWindow; +class wxWindowList; +class WXDLLIMPEXP_FWD_CORE wxEventLoop; -// FIXME should use wxStricmp() instead -#ifdef __GNUWIN32__ - #define stricmp strcasecmp - #define strnicmp strncasecmp -#endif +// ---------------------------------------------------------------------------- +// Arithmetic functions +// ---------------------------------------------------------------------------- + +template +inline typename wxImplicitConversionType::value +wxMax(T1 a, T2 b) +{ + typedef typename wxImplicitConversionType::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(a) > static_cast(b) ? a : b; +} + +template +inline typename wxImplicitConversionType::value +wxMin(T1 a, T2 b) +{ + typedef typename wxImplicitConversionType::value ResultType; + + return static_cast(a) < static_cast(b) ? a : b; +} + +template +inline typename wxImplicitConversionType3::value +wxClip(T1 a, T2 b, T3 c) +{ + typedef typename wxImplicitConversionType3::value ResultType; + + if ( static_cast(a) < static_cast(b) ) + return b; + + if ( static_cast(a) > static_cast(c) ) + return c; + + return a; +} // ---------------------------------------------------------------------------- -// Macros +// wxMemorySize // ---------------------------------------------------------------------------- -#define wxMax(a,b) (((a) > (b)) ? (a) : (b)) -#define wxMin(a,b) (((a) < (b)) ? (a) : (b)) +// 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 +// support it +#if wxUSE_LONGLONG + typedef wxLongLong wxMemorySize; +#else + typedef long wxMemorySize; +#endif // ---------------------------------------------------------------------------- // 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_8 +// A shorter way of using strcmp +wxDEPRECATED_INLINE(inline bool wxStringEq(const char *s1, const char *s2), + return wxCRT_StrcmpA(s1, s2) == 0; ) -// Matches string one within string two regardless of case -WXDLLEXPORT bool StringMatch(wxChar *one, wxChar *two, bool subString = TRUE, bool exact = FALSE); +#if wxUSE_UNICODE +wxDEPRECATED_INLINE(inline bool wxStringEq(const wchar_t *s1, const wchar_t *s2), + return wxCRT_StrcmpW(s1, s2) == 0; ) +#endif // wxUSE_UNICODE -// A shorter way of using strcmp -#define wxStringEq(s1, s2) (s1 && s2 && (wxStrcmp(s1, s2) == 0)) +#endif // WXWIN_COMPATIBILITY_2_8 // ---------------------------------------------------------------------------- // Miscellaneous functions // ---------------------------------------------------------------------------- // Sound the bell -WXDLLEXPORT void wxBell(void) ; +WXDLLIMPEXP_CORE void wxBell(); + +#if wxUSE_MSGDLG +// Show wxWidgets information +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(); // Get OS version -WXDLLEXPORT int wxGetOsVersion(int *majorVsn= (int *) NULL,int *minorVsn= (int *) NULL) ; +WXDLLIMPEXP_BASE wxOperatingSystemId wxGetOsVersion(int *majorVsn = NULL, + int *minorVsn = NULL); + +// Get platform endianness +WXDLLIMPEXP_BASE bool wxIsPlatformLittleEndian(); + +// Get platform architecture +WXDLLIMPEXP_BASE bool wxIsPlatform64Bit(); + +#ifdef __LINUX__ +// Get linux-distro informations +WXDLLIMPEXP_BASE wxLinuxDistributionInfo wxGetLinuxDistributionInfo(); +#endif // Return a string with the current date/time -WXDLLEXPORT wxString wxNow(); +WXDLLIMPEXP_BASE wxString wxNow(); + +// 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) +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. +WXDLLIMPEXP_CORE 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. -WXDLLEXPORT bool wxSetDetectableAutoRepeat( bool flag ); +WXDLLIMPEXP_CORE bool wxSetDetectableAutoRepeat( bool flag ); + +// Returns the current state of the mouse position, buttons and modifers +WXDLLIMPEXP_CORE wxMouseState wxGetMouseState(); + +#endif // wxUSE_GUI // ---------------------------------------------------------------------------- -// Window ID management +// wxPlatform // ---------------------------------------------------------------------------- -// Generate a unique ID -WXDLLEXPORT long wxNewId(); -#if !defined(NewId) && defined(WXWIN_COMPATIBILITY) - #define NewId wxNewId -#endif +/* + * Class to make it easier to specify platform-dependent values + * + * Examples: + * long val = wxPlatform::If(wxMac, 1).ElseIf(wxGTK, 2).ElseIf(stPDA, 5).Else(3); + * wxString strVal = wxPlatform::If(wxMac, wxT("Mac")).ElseIf(wxMSW, wxT("MSW")).Else(wxT("Other")); + * + * A custom platform symbol: + * + * #define stPDA 100 + * #ifdef __WXWINCE__ + * wxPlatform::AddPlatform(stPDA); + * #endif + * + * long windowStyle = wxCAPTION | (long) wxPlatform::IfNot(stPDA, wxRESIZE_BORDER); + * + */ + +class WXDLLIMPEXP_BASE wxPlatform +{ +public: + wxPlatform() { Init(); } + wxPlatform(const wxPlatform& platform) { Copy(platform); } + void operator = (const wxPlatform& platform) { if (&platform != this) Copy(platform); } + void Copy(const wxPlatform& platform); + + // Specify an optional default value + wxPlatform(int defValue) { Init(); m_longValue = (long)defValue; } + wxPlatform(long defValue) { Init(); m_longValue = defValue; } + wxPlatform(const wxString& defValue) { Init(); m_stringValue = defValue; } + wxPlatform(double defValue) { Init(); m_doubleValue = defValue; } + + static wxPlatform If(int platform, long value); + static wxPlatform IfNot(int platform, long value); + wxPlatform& ElseIf(int platform, long value); + wxPlatform& ElseIfNot(int platform, long value); + wxPlatform& Else(long value); + + static wxPlatform If(int platform, int value) { return If(platform, (long)value); } + static wxPlatform IfNot(int platform, int value) { return IfNot(platform, (long)value); } + wxPlatform& ElseIf(int platform, int value) { return ElseIf(platform, (long) value); } + wxPlatform& ElseIfNot(int platform, int value) { return ElseIfNot(platform, (long) value); } + wxPlatform& Else(int value) { return Else((long) value); } + + static wxPlatform If(int platform, double value); + static wxPlatform IfNot(int platform, double value); + wxPlatform& ElseIf(int platform, double value); + wxPlatform& ElseIfNot(int platform, double value); + wxPlatform& Else(double value); + + static wxPlatform If(int platform, const wxString& value); + static wxPlatform IfNot(int platform, const wxString& value); + wxPlatform& ElseIf(int platform, const wxString& value); + wxPlatform& ElseIfNot(int platform, const wxString& value); + wxPlatform& Else(const wxString& value); + + long GetInteger() const { return m_longValue; } + const wxString& GetString() const { return m_stringValue; } + double GetDouble() const { return m_doubleValue; } + + operator int() const { return (int) GetInteger(); } + operator long() const { return GetInteger(); } + operator double() const { return GetDouble(); } + operator const wxString&() const { return GetString(); } + + static void AddPlatform(int platform); + static bool Is(int platform); + static void ClearPlatforms(); + +private: + + void Init() { m_longValue = 0; m_doubleValue = 0.0; } + + long m_longValue; + double m_doubleValue; + wxString m_stringValue; + static wxArrayInt* sm_customPlatforms; +}; + +/// Function for testing current platform +inline bool wxPlatformIs(int platform) { return wxPlatform::Is(platform); } + +// ---------------------------------------------------------------------------- +// Window ID management +// ---------------------------------------------------------------------------- // Ensure subsequent IDs don't clash with this one -WXDLLEXPORT void wxRegisterId(long id); -#if !defined(RegisterId) && defined(WXWIN_COMPATIBILITY) - #define RegisterId wxRegisterId -#endif +WXDLLIMPEXP_BASE void wxRegisterId(long id); // Return the current ID -WXDLLEXPORT long wxGetCurrentId(); +WXDLLIMPEXP_BASE long wxGetCurrentId(); + +// Generate a unique ID +WXDLLIMPEXP_BASE long wxNewId(); // ---------------------------------------------------------------------------- // Various conversions // ---------------------------------------------------------------------------- -WXDLLEXPORT_DATA(extern const wxChar*) wxFloatToStringStr; -WXDLLEXPORT_DATA(extern const wxChar*) wxDoubleToStringStr; - -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); +// Convert 2-digit hex number to decimal +WXDLLIMPEXP_BASE int wxHexToDec(const wxString& buf); // Convert 2-digit hex number to decimal -WXDLLEXPORT int wxHexToDec(const wxString& buf); +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 -WXDLLEXPORT void wxDecToHex(int dec, wxChar *buf); -WXDLLEXPORT wxString wxDecToHex(int dec); +WXDLLIMPEXP_BASE void wxDecToHex(int dec, wxChar *buf); +WXDLLIMPEXP_BASE void wxDecToHex(int dec, char* ch1, char* ch2); +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, - wxProcess *process = (wxProcess *) NULL); -WXDLLEXPORT long wxExecute(const wxString& command, bool sync = FALSE, - wxProcess *process = (wxProcess *) NULL); +// 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_SHOW_CONSOLE = 2, + + // deprecated synonym for wxEXEC_SHOW_CONSOLE, use the new name as it's + // more clear + wxEXEC_NOHIDE = wxEXEC_SHOW_CONSOLE, + + // under Unix, if the process is the group leader then passing wxKILL_CHILDREN to wxKill + // kills all children as well as pid + // under Windows (NT family only), sets the CREATE_NEW_PROCESS_GROUP flag, + // which allows to target Ctrl-Break signal to the spawned process. + // applies to console processes only. + 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, + + // by default, the event loop is run while waiting for synchronous execution + // to complete and this flag can be used to simply block the main process + // until the child process finishes + wxEXEC_NOEVENTS = 16, + + // under Windows, hide the console of the child process if it has one, even + // if its IO is not redirected + wxEXEC_HIDE_CONSOLE = 32, + + // convenient synonym for flags given system()-like behaviour + 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 +// 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(const wxString& command, + int flags = wxEXEC_ASYNC, + wxProcess *process = NULL, + const wxExecuteEnv *env = NULL); +WXDLLIMPEXP_BASE long wxExecute(char **argv, + int flags = wxEXEC_ASYNC, + wxProcess *process = NULL, + const wxExecuteEnv *env = NULL); +#if wxUSE_UNICODE +WXDLLIMPEXP_BASE long wxExecute(wchar_t **argv, + int flags = wxEXEC_ASYNC, + 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, + const wxExecuteEnv *env = NULL); + +// also capture stderr (also synchronous) +WXDLLIMPEXP_BASE long wxExecute(const wxString& command, + wxArrayString& output, + wxArrayString& error, + int flags = 0, + const wxExecuteEnv *env = NULL); + +#if defined(__WINDOWS__) && wxUSE_IPC +// ask a DDE server to execute the DDE request with given parameters +WXDLLIMPEXP_BASE bool wxExecuteDDE(const wxString& ddeServer, + const wxString& ddeTopic, + const wxString& ddeCommand); +#endif // __WINDOWS__ && wxUSE_IPC enum wxSignal { @@ -164,21 +435,116 @@ 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 wxKillFlags +{ + wxKILL_NOCHILDREN = 0, // don't kill children + wxKILL_CHILDREN = 1 // kill children +}; + +enum wxShutdownFlags +{ + wxSHUTDOWN_FORCE = 1,// can be combined with other flags (MSW-only) + wxSHUTDOWN_POWEROFF = 2,// power off the computer + wxSHUTDOWN_REBOOT = 4,// shutdown and reboot + wxSHUTDOWN_LOGOFF = 8 // close session (currently MSW-only) +}; + +// Shutdown or reboot the PC +WXDLLIMPEXP_BASE bool wxShutdown(int flags = wxSHUTDOWN_POWEROFF); + +// 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, + int flags = wxKILL_NOCHILDREN); -// 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); -// Sleep for nSecs seconds under UNIX, do nothing under Windows -WXDLLEXPORT void wxSleep(int nSecs); +// 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 +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); + +#if WXWIN_COMPATIBILITY_2_8 +// Sleep for a given amount of milliseconds (old, bad name), use wxMilliSleep +wxDEPRECATED( WXDLLIMPEXP_BASE void wxUsleep(unsigned long milliseconds) ); +#endif + +// 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? +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 +// 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 wxString& value); + +// remove the env var from environment +WXDLLIMPEXP_BASE bool wxUnsetEnv(const wxString& var); + +#if WXWIN_COMPATIBILITY_2_8 +inline bool wxSetEnv(const wxString& var, const char *value) + { return wxSetEnv(var, wxString(value)); } +inline bool wxSetEnv(const wxString& var, const wchar_t *value) + { return wxSetEnv(var, wxString(value)); } +template +inline bool wxSetEnv(const wxString& var, const wxScopedCharTypeBuffer& value) + { return wxSetEnv(var, wxString(value)); } +inline bool wxSetEnv(const wxString& var, const wxCStrData& value) + { return wxSetEnv(var, wxString(value)); } + +// this one is for passing NULL directly - don't use it, use wxUnsetEnv instead +wxDEPRECATED( inline bool wxSetEnv(const wxString& var, int value) ); +inline bool wxSetEnv(const wxString& var, int value) +{ + wxASSERT_MSG( value == 0, "using non-NULL integer as string?" ); + + wxUnusedVar(value); // fix unused parameter warning in release build + + return wxUnsetEnv(var); +} +#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. @@ -187,183 +553,296 @@ 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 (by default use the current user name) home dir, +// return empty string on error +WXDLLIMPEXP_BASE wxString wxGetUserHome(const wxString& user = wxEmptyString); + -// 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); +#if wxUSE_LONGLONG + typedef wxLongLong wxDiskspaceSize_t; #else -WXDLLEXPORT wxChar* wxGetUserHome(const wxString& user = wxEmptyString); + typedef long wxDiskspaceSize_t; #endif +// get number of total/free bytes on the disk where path belongs +WXDLLIMPEXP_BASE bool wxGetDiskSpace(const wxString& path, + wxDiskspaceSize_t *pTotal = NULL, + wxDiskspaceSize_t *pFree = NULL); + + + +typedef int (*wxSortCallback)(const void* pItem1, + const void* pItem2, + const void* user_data); + + +WXDLLIMPEXP_BASE void wxQsort(void* pbase, size_t total_elems, + size_t size, wxSortCallback cmp, + const void* user_data); + + +#if wxUSE_GUI // GUI only things from now on + // ---------------------------------------------------------------------------- -// Strip out any menu codes +// Launch default browser // ---------------------------------------------------------------------------- -WXDLLEXPORT wxChar* wxStripMenuCodes(wxChar *in, wxChar *out = (wxChar *) NULL); -WXDLLEXPORT wxString wxStripMenuCodes(const wxString& str); +// flags for wxLaunchDefaultBrowser +enum +{ + wxBROWSER_NEW_WINDOW = 0x01, + wxBROWSER_NOBUSYCURSOR = 0x02 +}; + +// Launch url in the user's default internet browser +WXDLLIMPEXP_CORE bool wxLaunchDefaultBrowser(const wxString& url, int flags = 0); + +// Launch document in the user's default application +WXDLLIMPEXP_CORE bool wxLaunchDefaultApplication(const wxString& path, int flags = 0); + +// ---------------------------------------------------------------------------- +// Menu accelerators related things +// ---------------------------------------------------------------------------- + +// flags for wxStripMenuCodes +enum +{ + // strip '&' characters + wxStrip_Mnemonics = 1, + + // strip everything after '\t' + wxStrip_Accel = 2, + + // strip everything (this is the default) + wxStrip_All = wxStrip_Mnemonics | wxStrip_Accel +}; + +// strip mnemonics and/or accelerators from the label +WXDLLIMPEXP_CORE wxString +wxStripMenuCodes(const wxString& str, int flags = wxStrip_All); + +#if WXWIN_COMPATIBILITY_2_6 +// obsolete and deprecated version, do not use, use the above overload instead +wxDEPRECATED( + WXDLLIMPEXP_CORE wxChar* wxStripMenuCodes(const wxChar *in, wxChar *out = NULL) +); + +#if wxUSE_ACCEL +class WXDLLIMPEXP_FWD_CORE wxAcceleratorEntry; + +// use wxAcceleratorEntry::Create() or FromString() methods instead +wxDEPRECATED( + WXDLLIMPEXP_CORE wxAcceleratorEntry *wxGetAccelFromString(const wxString& label) +); +#endif // wxUSE_ACCEL + +#endif // WXWIN_COMPATIBILITY_2_6 // ---------------------------------------------------------------------------- // Window search // ---------------------------------------------------------------------------- +// Returns menu item id or wxNOT_FOUND if none. +WXDLLIMPEXP_CORE 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. +WXDLLIMPEXP_CORE wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt); +WXDLLIMPEXP_CORE 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); +WXDLLIMPEXP_CORE wxWindow* wxFindWindowByLabel(const wxString& title, wxWindow *parent = 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); +WXDLLIMPEXP_CORE wxWindow* wxFindWindowByName(const wxString& name, wxWindow *parent = NULL); // ---------------------------------------------------------------------------- // 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); +WXDLLIMPEXP_CORE bool wxSafeYield(wxWindow *win = NULL, bool onlyIfNeeded = false); // Enable or disable input to all top level windows -WXDLLEXPORT void wxEnableTopLevelWindows(bool enable = TRUE); +WXDLLIMPEXP_CORE void wxEnableTopLevelWindows(bool enable = true); // Check whether this window wants to process messages, e.g. Stop button // in long calculations. -WXDLLEXPORT bool wxCheckForInterrupt(wxWindow *wnd); +WXDLLIMPEXP_CORE bool wxCheckForInterrupt(wxWindow *wnd); // Consume all events until no more left -WXDLLEXPORT void wxFlushEvents(); +WXDLLIMPEXP_CORE void wxFlushEvents(); + +// a class which disables all windows (except, may be, the given one) in its +// ctor and enables them back in its dtor +class WXDLLIMPEXP_CORE wxWindowDisabler +{ +public: + // this ctor conditionally disables all windows: if the argument is false, + // it doesn't do anything + wxWindowDisabler(bool disable = true); + + // ctor disables all windows except winToSkip + wxWindowDisabler(wxWindow *winToSkip); + + // dtor enables back all windows disabled by the ctor + ~wxWindowDisabler(); + +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; + + wxDECLARE_NO_COPY_CLASS(wxWindowDisabler); +}; // ---------------------------------------------------------------------------- // Cursors // ---------------------------------------------------------------------------- // Set the cursor to the busy cursor for all windows -class WXDLLEXPORT wxCursor; -WXDLLEXPORT_DATA(extern wxCursor*) wxHOURGLASS_CURSOR; -WXDLLEXPORT void wxBeginBusyCursor(wxCursor *cursor = wxHOURGLASS_CURSOR); +WXDLLIMPEXP_CORE void wxBeginBusyCursor(const wxCursor *cursor = wxHOURGLASS_CURSOR); // Restore cursor to normal -WXDLLEXPORT void wxEndBusyCursor(); +WXDLLIMPEXP_CORE void wxEndBusyCursor(); -// TRUE if we're between the above two calls -WXDLLEXPORT bool wxIsBusy(); +// true if we're between the above two calls +WXDLLIMPEXP_CORE bool wxIsBusy(); // Convenience class so we can just create a wxBusyCursor object on the stack -class WXDLLEXPORT wxBusyCursor +class WXDLLIMPEXP_CORE wxBusyCursor { public: - wxBusyCursor(wxCursor* cursor = wxHOURGLASS_CURSOR) + wxBusyCursor(const 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); +void WXDLLIMPEXP_CORE wxGetMousePosition( int* x, int* y ); // ---------------------------------------------------------------------------- -// Reading and writing resources (eg WIN.INI, .Xdefaults) +// X11 Display access // ---------------------------------------------------------------------------- -#if wxUSE_RESOURCES -WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file = wxEmptyString); -WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file = wxEmptyString); -WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file = wxEmptyString); -WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file = wxEmptyString); - -WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, wxChar **value, const wxString& file = wxEmptyString); -WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file = wxEmptyString); -WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file = wxEmptyString); -WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file = wxEmptyString); -#endif // wxUSE_RESOURCES - -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(); +#if defined(__X__) || defined(__WXGTK__) -#endif // MSW - -// ---------------------------------------------------------------------------- -// Display and colorss (X only) -// ---------------------------------------------------------------------------- - -#ifdef __X__ - WXDisplay *wxGetDisplay(); - bool wxSetDisplay(const wxString& display_name); - wxString wxGetDisplayName(); +#ifdef __WXGTK__ + WXDLLIMPEXP_CORE void *wxGetDisplay(); #endif #ifdef __X__ + WXDLLIMPEXP_CORE WXDisplay *wxGetDisplay(); + WXDLLIMPEXP_CORE bool wxSetDisplay(const wxString& display_name); + WXDLLIMPEXP_CORE wxString wxGetDisplayName(); +#endif // X or GTK+ -#include +// use this function instead of the functions above in implementation code +inline struct _XDisplay *wxGetX11Display() +{ + return (_XDisplay *)wxGetDisplay(); +} -#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 // X11 || wxGTK -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); +// avoid redeclaring this function here if it had been already declated by +// wx/app.h, this results in warnings from g++ with -Wredundant-decls +#ifndef wx_YIELD_DECLARED +#define wx_YIELD_DECLARED -#endif //__X__ +// Yield to other apps/messages +WXDLLIMPEXP_CORE bool wxYield(); + +#endif // wx_YIELD_DECLARED + +// Like wxYield, but fails silently if the yield is recursive. +WXDLLIMPEXP_CORE bool wxYieldIfNeeded(); + +// ---------------------------------------------------------------------------- +// Windows resources access +// ---------------------------------------------------------------------------- + +// Windows only: get user-defined resource from the .res file. +#ifdef __WINDOWS__ + // default resource type for wxLoadUserResource() + extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxUserResourceStr; + + // Return the pointer to the resource data. This pointer is read-only, use + // the overload below if you need to modify the data. + // + // Notice that the resource type can be either a real string or an integer + // produced by MAKEINTRESOURCE(). In particular, any standard resource type, + // i.e any RT_XXX constant, could be passed here. + // + // Returns true on success, false on failure. Doesn't log an error message + // if the resource is not found (because this could be expected) but does + // log one if any other error occurs. + WXDLLIMPEXP_BASE bool + wxLoadUserResource(const void **outData, + size_t *outLen, + const wxString& resourceName, + const wxChar* resourceType = wxUserResourceStr, + WXHINSTANCE module = 0); + + // This function allocates a new buffer and makes a copy of the resource + // data, remember to delete[] the buffer. And avoid using it entirely if + // the overload above can be used. + // + // Returns NULL on failure. + WXDLLIMPEXP_BASE char* + wxLoadUserResource(const wxString& resourceName, + const wxChar* resourceType = wxUserResourceStr, + int* pLen = NULL, + WXHINSTANCE module = 0); +#endif // __WINDOWS__ #endif // _WX_UTILSH__