wxWidgets/include/wx/utils.h

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/////////////////////////////////////////////////////////////////////////////
// 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__
#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/ioswrap.h"
class WXDLLEXPORT wxProcess;
#ifdef __X__
#ifndef __VMS__
/*steve: these two are not known under VMS */
#include <dirent.h>
#include <unistd.h>
#endif
#endif
#include <stdio.h>
#ifdef __GNUWIN32__
#define stricmp strcasecmp
#define strnicmp strncasecmp
#endif
// Forward declaration
class WXDLLEXPORT wxFrame;
// Stupid ASCII macros
#define wxToUpper(C) (((C) >= 'a' && (C) <= 'z')? (C) - 'a' + 'A': (C))
#define wxToLower(C) (((C) >= 'A' && (C) <= 'Z')? (C) - 'A' + 'a': (C))
// Return a string with the current date/time
WXDLLEXPORT wxString wxNow(void);
// Make a copy of this string using 'new'
WXDLLEXPORT char* copystring(const char *s);
// Generate a unique ID
WXDLLEXPORT long wxNewId(void);
#define NewId wxNewId
// Ensure subsequent IDs don't clash with this one
WXDLLEXPORT void wxRegisterId(long id);
#define RegisterId wxRegisterId
// Return the current ID
WXDLLEXPORT long wxGetCurrentId(void);
// Useful buffer
WXDLLEXPORT_DATA(extern char*) wxBuffer;
WXDLLEXPORT_DATA(extern const char*) wxFloatToStringStr;
WXDLLEXPORT_DATA(extern const char*) wxDoubleToStringStr;
// Various conversions
WXDLLEXPORT void StringToFloat(char *s, float *number);
WXDLLEXPORT char* FloatToString(float number, const char *fmt = wxFloatToStringStr);
WXDLLEXPORT void StringToDouble(char *s, double *number);
WXDLLEXPORT char* DoubleToString(double number, const char *fmt = wxDoubleToStringStr);
WXDLLEXPORT void StringToInt(char *s, int *number);
WXDLLEXPORT void StringToLong(char *s, long *number);
WXDLLEXPORT char* IntToString(int number);
WXDLLEXPORT char* LongToString(long number);
// Matches string one within string two regardless of case
WXDLLEXPORT bool StringMatch(char *one, char *two, bool subString = TRUE, bool exact = FALSE);
// A shorter way of using strcmp
#define wxStringEq(s1, s2) (s1 && s2 && (strcmp(s1, s2) == 0))
// 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, char *buf);
WXDLLEXPORT wxString wxDecToHex(int dec);
// Execute another program. Returns 0 if there was an error, a PID otherwise.
WXDLLEXPORT long wxExecute(char **argv, bool sync = FALSE,
wxProcess *process = (wxProcess *) NULL);
WXDLLEXPORT long wxExecute(const wxString& command, bool sync = FALSE,
wxProcess *process = (wxProcess *) NULL);
#define wxSIGTERM 1
WXDLLEXPORT int wxKill(long pid, int sig=wxSIGTERM);
// Execute a command in an interactive shell window
// If no command then just the shell
WXDLLEXPORT bool wxShell(const wxString& command = wxEmptyString);
// Sleep for nSecs seconds under UNIX, do nothing under Windows
WXDLLEXPORT void wxSleep(int nSecs);
// Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
WXDLLEXPORT long wxGetFreeMemory(void);
// Consume all events until no more left
WXDLLEXPORT void wxFlushEvents(void);
/*
* Network and username functions.
*
*/
// Get eMail address
WXDLLEXPORT bool wxGetEmailAddress(char *buf, int maxSize);
// Get hostname.
WXDLLEXPORT bool wxGetHostName(char *buf, int maxSize);
WXDLLEXPORT bool wxGetHostName(wxString& buf);
// Get user ID e.g. jacs
WXDLLEXPORT bool wxGetUserId(char *buf, int maxSize);
WXDLLEXPORT bool wxGetUserId(wxString& buf);
// Get user name e.g. Julian Smart
WXDLLEXPORT bool wxGetUserName(char *buf, int maxSize);
WXDLLEXPORT bool wxGetUserName(wxString& buf);
/*
* Strip out any menu codes
*/
WXDLLEXPORT char* wxStripMenuCodes(char *in, char *out = (char *) NULL);
WXDLLEXPORT wxString wxStripMenuCodes(const wxString& str);
// 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);
/*
#if (!defined(__MINMAX_DEFINED) && !defined(max))
#define max(a,b) (((a) > (b)) ? (a) : (b))
#define min(a,b) (((a) < (b)) ? (a) : (b))
#define __MINMAX_DEFINED 1
#endif
*/
#define wxMax(a,b) (((a) > (b)) ? (a) : (b))
#define wxMin(a,b) (((a) < (b)) ? (a) : (b))
// Yield to other apps/messages
WXDLLEXPORT bool wxYield(void);
// Format a message on the standard error (UNIX) or the debugging
// stream (Windows)
WXDLLEXPORT void wxDebugMsg(const char *fmt ...) ;
// Sound the bell
WXDLLEXPORT void wxBell(void) ;
// Get OS version
WXDLLEXPORT int wxGetOsVersion(int *majorVsn= (int *) NULL,int *minorVsn= (int *) NULL) ;
// 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(void);
// TRUE if we're between the above two calls
WXDLLEXPORT bool wxIsBusy(void);
// Convenience class so we can just create a wxBusyCursor object on the stack
class WXDLLEXPORT wxBusyCursor
{
public:
inline wxBusyCursor(wxCursor* cursor = wxHOURGLASS_CURSOR) { wxBeginBusyCursor(cursor); }
inline ~wxBusyCursor() { wxEndBusyCursor(); }
};
/* Error message functions used by wxWindows */
// Non-fatal error (continues)
WXDLLEXPORT_DATA(extern const char*) wxInternalErrorStr;
WXDLLEXPORT void wxError(const wxString& msg, const wxString& title = wxInternalErrorStr);
// Fatal error (exits)
WXDLLEXPORT_DATA(extern const char*) wxFatalErrorStr;
WXDLLEXPORT void wxFatalError(const wxString& msg, const wxString& title = wxFatalErrorStr);
// 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, char **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
// Get current Home dir and copy to dest (returns pstr->c_str())
WXDLLEXPORT const char* wxGetHomeDir(wxString *pstr);
// Get the user's home dir (caller must copy--- volatile)
// returns NULL is no HOME dir is known
WXDLLEXPORT char* wxGetUserHome(const wxString& user = wxEmptyString);
// Check whether this window wants to process messages, e.g. Stop button
// in long calculations.
WXDLLEXPORT bool wxCheckForInterrupt(wxWindow *wnd);
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 char* wxUserResourceStr;
WXDLLEXPORT char* 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();
#endif
// X only
#ifdef __X__
WXDisplay *wxGetDisplay();
bool wxSetDisplay(const wxString& display_name);
wxString wxGetDisplayName();
#endif
#ifdef __X__
#include <X11/Xlib.h>
#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
typedef struct wx_hsv {
int h,s,v;
} wxHSV;
#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))
#define wxMax2(x,y) ((x > y) ? x : y)
#define wxMin2(x,y) ((x < y) ? x : y)
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);
#endif //__X__
#endif
// _WX_UTILSH__