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wxWidgets/include/wx/utils.h
Guilhem Lavaux cf44735628 * Changed "true" to "TRUE" in some file: "true" doesn't exist in BC++ 5 
* Added wxDataStream and wxProcess
* Added the asynchronous end process notification on GTK and MSW
* Updated configure* and setup.h
* Added extended.c: Apple code to encode/decode float in IEEE format
  this code is removable by disabling USE_APPLE_CODEC


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@162 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1998-07-01 17:26:46 +00:00

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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 __UTILSH__
#define __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/process.h"
#if USE_IOSTREAMH
#include <iostream.h>
#else
#include <iostream>
#endif
#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
wxString WXDLLEXPORT wxNow(void);
// Make a copy of this string using 'new'
char* WXDLLEXPORT copystring(const char *s);
// Generate a unique ID
long WXDLLEXPORT wxNewId(void);
#define NewId wxNewId
// Ensure subsequent IDs don't clash with this one
void WXDLLEXPORT wxRegisterId(long id);
#define RegisterId wxRegisterId
// Return the current ID
long WXDLLEXPORT wxGetCurrentId(void);
// Useful buffer
WXDLLEXPORT_DATA(extern char*) wxBuffer;
WXDLLEXPORT_DATA(extern const char*) wxFloatToStringStr;
WXDLLEXPORT_DATA(extern const char*) wxDoubleToStringStr;
// Various conversions
void WXDLLEXPORT StringToFloat(char *s, float *number);
char* WXDLLEXPORT FloatToString(float number, const char *fmt = wxFloatToStringStr);
void WXDLLEXPORT StringToDouble(char *s, double *number);
char* WXDLLEXPORT DoubleToString(double number, const char *fmt = wxDoubleToStringStr);
void WXDLLEXPORT StringToInt(char *s, int *number);
void WXDLLEXPORT StringToLong(char *s, long *number);
char* WXDLLEXPORT IntToString(int number);
char* WXDLLEXPORT LongToString(long number);
// Matches string one within string two regardless of case
bool WXDLLEXPORT 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
int WXDLLEXPORT wxHexToDec(char *buf);
// Convert decimal integer to 2-character hex string
void WXDLLEXPORT wxDecToHex(int dec, char *buf);
// Execute another program. Returns 0 if there was an error, a PID otherwise.
long WXDLLEXPORT wxExecute(char **argv, bool Async = FALSE,
wxProcess *process = NULL);
long WXDLLEXPORT wxExecute(const wxString& command, bool Async = FALSE,
wxProcess *process = NULL);
#define wxSIGTERM 1
int WXDLLEXPORT wxKill(long pid, int sig=wxSIGTERM);
// Execute a command in an interactive shell window
// If no command then just the shell
bool WXDLLEXPORT wxShell(const wxString& command = "");
// Sleep for nSecs seconds under UNIX, do nothing under Windows
void WXDLLEXPORT wxSleep(int nSecs);
// Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
long WXDLLEXPORT wxGetFreeMemory(void);
// Consume all events until no more left
void WXDLLEXPORT wxFlushEvents(void);
/*
* Network and username functions.
*
*/
// Get eMail address
bool WXDLLEXPORT wxGetEmailAddress(char *buf, int maxSize);
// Get hostname.
bool WXDLLEXPORT wxGetHostName(char *buf, int maxSize);
// Get user ID e.g. jacs
bool WXDLLEXPORT wxGetUserId(char *buf, int maxSize);
// Get user name e.g. Julian Smart
bool WXDLLEXPORT wxGetUserName(char *buf, int maxSize);
/*
* Strip out any menu codes
*/
char* WXDLLEXPORT wxStripMenuCodes(char *in, char *out = NULL);
// 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.
wxWindow* WXDLLEXPORT wxFindWindowByLabel(const wxString& title, wxWindow *parent = NULL);
// Find window by name, and if that fails, by label.
wxWindow* WXDLLEXPORT wxFindWindowByName(const wxString& name, wxWindow *parent = NULL);
// Returns menu item id or -1 if none.
int WXDLLEXPORT wxFindMenuItemId(wxFrame *frame, const wxString& menuString, const wxString& itemString);
// A debugging stream buffer.
// Under Windows, this writes to the Windows debug output.
// Under other platforms, it writes to cerr.
// ALl this horrible gubbins required for Borland, because the calling
// convention needs to be the same as for streambuf.
// Thanks to Gerhard.Vogt@embl-heidelberg.de for this solution.
#if defined(__BORLANDC__) && defined(__BCOPT__) && !defined(_RTL_ALLOW_po) && !defined(__FLAT__)
#pragma option -po-
#endif
// Can't export a class derived from a non-export class
#if !defined(_WINDLL) && !defined(WXUSINGDLL)
#ifdef new
#undef new
#endif
class WXDLLEXPORT wxDebugStreamBuf: public streambuf
{
public:
wxDebugStreamBuf(void);
~wxDebugStreamBuf(void) {}
int overflow(int i);
inline int underflow(void) { return EOF; }
int sync(void);
};
#if DEBUG && USE_GLOBAL_MEMORY_OPERATORS
#define new WXDEBUG_NEW
#endif
#endif
#if defined(__BORLANDC__) && defined(__BCOPT__) && !defined(_RTL_ALLOW_po) && !defined(__FLAT__)
#pragma option -po.
#endif
/*
#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
bool WXDLLEXPORT wxYield(void);
// Format a message on the standard error (UNIX) or the debugging
// stream (Windows)
void WXDLLEXPORT wxDebugMsg(const char *fmt ...) ;
// Sound the bell
void WXDLLEXPORT wxBell(void) ;
// Get OS version
int WXDLLEXPORT wxGetOsVersion(int *majorVsn=NULL,int *minorVsn=NULL) ;
// Set the cursor to the busy cursor for all windows
class WXDLLEXPORT wxCursor;
WXDLLEXPORT_DATA(extern wxCursor*) wxHOURGLASS_CURSOR;
void WXDLLEXPORT wxBeginBusyCursor(wxCursor *cursor = wxHOURGLASS_CURSOR);
// Restore cursor to normal
void WXDLLEXPORT wxEndBusyCursor(void);
// TRUE if we're between the above two calls
bool WXDLLEXPORT wxIsBusy(void);
/* Error message functions used by wxWindows */
// Non-fatal error (continues)
WXDLLEXPORT_DATA(extern const char*) wxInternalErrorStr;
void WXDLLEXPORT wxError(const wxString& msg, const wxString& title = wxInternalErrorStr);
// Fatal error (exits)
WXDLLEXPORT_DATA(extern const char*) wxFatalErrorStr;
void WXDLLEXPORT wxFatalError(const wxString& msg, const wxString& title = wxFatalErrorStr);
// Reading and writing resources (eg WIN.INI, .Xdefaults)
#if USE_RESOURCES
bool WXDLLEXPORT wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file = "");
bool WXDLLEXPORT wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file = "");
bool WXDLLEXPORT wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file = "");
bool WXDLLEXPORT wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file = "");
bool WXDLLEXPORT wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file = "");
bool WXDLLEXPORT wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file = "");
bool WXDLLEXPORT wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file = "");
bool WXDLLEXPORT wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file = "");
#endif // USE_RESOURCES
#ifdef __UNIX__
// 'X' Only, will soon vanish....
// Get current Home dir and copy to dest
char* WXDLLEXPORT wxGetHomeDir( char *dest );
#endif
// Get the user's home dir (caller must copy--- volatile)
// returns NULL is no HOME dir is known
char* WXDLLEXPORT wxGetUserHome(const wxString& user = "");
// Check whether this window wants to process messages, e.g. Stop button
// in long calculations.
bool WXDLLEXPORT 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 __WINDOWS__
extern const char* WXDLLEXPORT wxUserResourceStr;
char* WXDLLEXPORT wxLoadUserResource(const wxString& resourceName, const wxString& resourceType = wxUserResourceStr);
#endif
// X only
#ifdef __X__
// Get X display: often needed in the wxWindows implementation.
Display *wxGetDisplay(void);
/* Matthew Flatt: Added wxSetDisplay and wxGetDisplayName */
bool wxSetDisplay(const wxString& display_name);
wxString wxGetDisplayName(void);
#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
// __UTILSH__
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