af49c4b8a2
GNU compiler included with Mac OS X 10.2 (Jaguar) as well as August Developer Tools update contain a bug concerning #pragma interface handling that can only be worked around by not using them (and they are not necessary anyways) git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16884 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
507 lines
18 KiB
C++
507 lines
18 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: 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
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _WX_UTILSH__
|
|
#define _WX_UTILSH__
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// headers
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#if defined(__GNUG__) && !defined(__APPLE__)
|
|
#pragma interface "utils.h"
|
|
#endif
|
|
|
|
#include "wx/object.h"
|
|
#include "wx/list.h"
|
|
#include "wx/filefn.h"
|
|
|
|
// need this for wxGetDiskSpace() as we can't, unfortunately, forward declare
|
|
// wxLongLong
|
|
#include "wx/longlong.h"
|
|
|
|
#ifdef __X__
|
|
#include <dirent.h>
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Forward declaration
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLEXPORT wxProcess;
|
|
class WXDLLEXPORT wxFrame;
|
|
class WXDLLEXPORT wxWindow;
|
|
class WXDLLEXPORT wxWindowList;
|
|
class WXDLLEXPORT wxPoint;
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Macros
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#define wxMax(a,b) (((a) > (b)) ? (a) : (b))
|
|
#define wxMin(a,b) (((a) < (b)) ? (a) : (b))
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// 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);
|
|
|
|
// A shorter way of using strcmp
|
|
#define wxStringEq(s1, s2) (s1 && s2 && (wxStrcmp(s1, s2) == 0))
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Miscellaneous functions
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// Sound the bell
|
|
WXDLLEXPORT void wxBell();
|
|
|
|
// Get OS description as a user-readable string
|
|
WXDLLEXPORT wxString wxGetOsDescription();
|
|
|
|
// Get OS version
|
|
WXDLLEXPORT int wxGetOsVersion(int *majorVsn = (int *) NULL,
|
|
int *minorVsn = (int *) NULL);
|
|
|
|
// Return a string with the current date/time
|
|
WXDLLEXPORT wxString wxNow();
|
|
|
|
// Return path where wxWindows is installed (mostly useful in Unices)
|
|
WXDLLEXPORT const wxChar *wxGetInstallPrefix();
|
|
// Return path to wxWin data (/usr/share/wx/%{version}) (Unices)
|
|
WXDLLEXPORT wxString wxGetDataDir();
|
|
|
|
|
|
#if wxUSE_GUI
|
|
// 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 );
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Window ID management
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// 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();
|
|
|
|
#endif // wxUSE_GUI
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Various conversions
|
|
// ----------------------------------------------------------------------------
|
|
|
|
WXDLLEXPORT_DATA(extern const wxChar*) wxFloatToStringStr;
|
|
WXDLLEXPORT_DATA(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);
|
|
|
|
// Convert 2-digit hex number to decimal
|
|
WXDLLEXPORT 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);
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Process management
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// 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.
|
|
WXDLLEXPORT long wxExecute(wxChar **argv, int flags = wxEXEC_ASYNC,
|
|
wxProcess *process = (wxProcess *) NULL);
|
|
WXDLLEXPORT 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
|
|
WXDLLEXPORT long wxExecute(const wxString& command,
|
|
wxArrayString& output);
|
|
|
|
// also capture stderr (also synchronous)
|
|
WXDLLEXPORT long wxExecute(const wxString& command,
|
|
wxArrayString& output,
|
|
wxArrayString& error);
|
|
|
|
enum wxSignal
|
|
{
|
|
wxSIGNONE = 0, // verify if the process exists under Unix
|
|
wxSIGHUP,
|
|
wxSIGINT,
|
|
wxSIGQUIT,
|
|
wxSIGILL,
|
|
wxSIGTRAP,
|
|
wxSIGABRT,
|
|
wxSIGIOT = wxSIGABRT, // another name
|
|
wxSIGEMT,
|
|
wxSIGFPE,
|
|
wxSIGKILL,
|
|
wxSIGBUS,
|
|
wxSIGSEGV,
|
|
wxSIGSYS,
|
|
wxSIGPIPE,
|
|
wxSIGALRM,
|
|
wxSIGTERM
|
|
|
|
// further signals are different in meaning between different Unix systems
|
|
};
|
|
|
|
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
|
|
WXDLLEXPORT 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,
|
|
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);
|
|
|
|
// 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);
|
|
|
|
// Sleep for nSecs seconds
|
|
WXDLLEXPORT void wxSleep(int nSecs);
|
|
|
|
// Sleep for a given amount of milliseconds
|
|
WXDLLEXPORT void wxUsleep(unsigned long milliseconds);
|
|
|
|
// Get the process id of the current process
|
|
WXDLLEXPORT unsigned long wxGetProcessId();
|
|
|
|
// Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
|
|
WXDLLEXPORT long wxGetFreeMemory();
|
|
|
|
// should wxApp::OnFatalException() be called?
|
|
WXDLLEXPORT bool wxHandleFatalExceptions(bool doit = TRUE);
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Environment variables
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// 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);
|
|
|
|
// set the env var name to the given value, return TRUE on success
|
|
WXDLLEXPORT 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.
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// NB: "char *" functions are deprecated, use wxString ones!
|
|
|
|
// Get eMail address
|
|
WXDLLEXPORT bool wxGetEmailAddress(wxChar *buf, int maxSize);
|
|
WXDLLEXPORT wxString wxGetEmailAddress();
|
|
|
|
// Get hostname.
|
|
WXDLLEXPORT bool wxGetHostName(wxChar *buf, int maxSize);
|
|
WXDLLEXPORT wxString wxGetHostName();
|
|
|
|
// Get FQDN
|
|
WXDLLEXPORT wxString wxGetFullHostName();
|
|
WXDLLEXPORT 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();
|
|
|
|
// Get user name e.g. Julian Smart
|
|
WXDLLEXPORT bool wxGetUserName(wxChar *buf, int maxSize);
|
|
WXDLLEXPORT wxString wxGetUserName();
|
|
|
|
// Get current Home dir and copy to dest (returns pstr->c_str())
|
|
WXDLLEXPORT wxString wxGetHomeDir();
|
|
WXDLLEXPORT 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);
|
|
#else
|
|
WXDLLEXPORT 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,
|
|
wxLongLong *pTotal = NULL,
|
|
wxLongLong *pFree = NULL);
|
|
|
|
#if wxUSE_GUI // GUI only things from now on
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Menu accelerators related things
|
|
// ----------------------------------------------------------------------------
|
|
|
|
WXDLLEXPORT wxChar* wxStripMenuCodes(const wxChar *in, wxChar *out = (wxChar *) NULL);
|
|
WXDLLEXPORT wxString wxStripMenuCodes(const wxString& str);
|
|
|
|
#if wxUSE_ACCEL
|
|
class WXDLLEXPORT wxAcceleratorEntry;
|
|
WXDLLEXPORT wxAcceleratorEntry *wxGetAccelFromString(const wxString& label);
|
|
#endif // wxUSE_ACCEL
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// 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);
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Message/event queue helpers
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// NB: these functions are obsolete, please use wxApp methods instead!
|
|
|
|
// 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);
|
|
|
|
// Enable or disable input to all top level windows
|
|
WXDLLEXPORT 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);
|
|
|
|
// 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
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// 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);
|
|
|
|
// Restore cursor to normal
|
|
WXDLLEXPORT void wxEndBusyCursor();
|
|
|
|
// 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
|
|
class WXDLLEXPORT wxBusyCursor
|
|
{
|
|
public:
|
|
wxBusyCursor(wxCursor* cursor = wxHOURGLASS_CURSOR)
|
|
{ wxBeginBusyCursor(cursor); }
|
|
~wxBusyCursor()
|
|
{ wxEndBusyCursor(); }
|
|
|
|
// 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();
|
|
};
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Reading and writing resources (eg WIN.INI, .Xdefaults)
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#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);
|
|
#endif // MSW
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Display and colorss (X only)
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#ifdef __WXGTK__
|
|
void *wxGetDisplay();
|
|
#endif
|
|
|
|
#ifdef __X__
|
|
WXDisplay *wxGetDisplay();
|
|
bool wxSetDisplay(const wxString& display_name);
|
|
wxString wxGetDisplayName();
|
|
#endif // X or GTK+
|
|
|
|
#ifdef __X__
|
|
|
|
#ifdef __VMS__ // Xlib.h for VMS is not (yet) compatible with C++
|
|
// The resulting warnings are switched off here
|
|
#pragma message disable nosimpint
|
|
#endif
|
|
// #include <X11/Xlib.h>
|
|
#ifdef __VMS__
|
|
#pragma message enable nosimpint
|
|
#endif
|
|
|
|
#endif //__X__
|
|
|
|
#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)
|
|
WXDLLEXPORT 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);
|
|
|
|
// Fatal error (exits)
|
|
WXDLLEXPORT_DATA(extern const wxChar*) wxFatalErrorStr;
|
|
WXDLLEXPORT void wxFatalError(const wxString& msg, const wxString& title = wxFatalErrorStr);
|
|
|
|
#endif // WXWIN_COMPATIBILITY_2_2
|
|
|
|
#endif
|
|
// _WX_UTILSH__
|