#include "wx/setup.h"
#include "wx/utils.h"
#include "wx/app.h"
+#include "wx/msgdlg.h"
+#include "wx/cursor.h"
#include <ctype.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
#include <stdarg.h>
+#include <dirent.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <pwd.h>
+#include <errno.h>
+#include <netdb.h>
+#include <signal.h>
+
+#if defined(__SVR4__) && !defined(__HPUX__)
+#include <sys/systeminfo.h>
+#endif
+
+#if (defined(__SUNCC__) || defined(__CLCC__))
+#include <sysent.h>
+#endif
#include <Xm/Xm.h>
#include "wx/motif/private.h"
+// Yuck this is really BOTH site and platform dependent
+// so we should use some other strategy!
+#ifdef sun
+# define DEFAULT_XRESOURCE_DIR "/usr/openwin/lib/app-defaults"
+#else
+# define DEFAULT_XRESOURCE_DIR "/usr/lib/X11/app-defaults"
+#endif
+
+static char *GetIniFile (char *dest, const char *filename);
+
+extern wxList wxTopLevelWindows;
+
// Get full hostname (eg. DoDo.BSn-Germany.crg.de)
bool wxGetHostName(char *buf, int maxSize)
{
- // TODO
- return FALSE;
+#if defined(__SVR4__) && !defined(__HPUX__)
+ return (sysinfo (SI_HOSTNAME, buf, maxSize) != -1);
+#else /* BSD Sockets */
+ char name[255];
+ struct hostent *h;
+
+ // Get hostname
+ if (gethostname (name, sizeof (name) / sizeof (char) - 1) == -1)
+ return FALSE;
+ // Get official full name of host
+ strncpy (buf
+ ,(h = gethostbyname (name)) != NULL ? h->h_name : name
+ ,maxSize - 1);
+ return TRUE;
+#endif
}
// Get user ID e.g. jacs
bool wxGetUserId(char *buf, int maxSize)
{
- // TODO
- return FALSE;
+#ifdef VMS
+ *buf = '\0'; // return empty string
+ return FALSE;
+#else
+ struct passwd *who;
+
+ if ((who = getpwuid (getuid ())) != NULL)
+ {
+ strncpy (buf, who->pw_name, maxSize - 1);
+ return TRUE;
+ }
+ return FALSE;
+#endif
}
// Get user name e.g. Julian Smart
bool wxGetUserName(char *buf, int maxSize)
{
- // TODO
- return FALSE;
+#ifdef VMS
+ *buf = '\0'; // return empty string
+ return FALSE;
+#else
+ struct passwd *who;
+
+ if ((who = getpwuid (getuid ())) != NULL)
+ {
+ strncpy (buf, who->pw_gecos, maxSize - 1);
+ return TRUE;
+ }
+ return FALSE;
+#endif
}
int wxKill(long pid, int sig)
{
- // TODO
- return 0;
+ int unixSignal = 0;
+ switch (sig)
+ {
+ case wxSIGTERM:
+ default:
+ unixSignal = SIGTERM;
+ }
+ return kill( (int)pid, unixSignal);
}
//
//
bool wxShell(const wxString& command)
{
- // TODO
- return FALSE;
+#ifdef VMS
+ return(FALSE);
+#else
+#if defined(sun) || defined(__ultrix) || defined(__bsdi__)
+ pid_t pid = vfork ();
+#else
+ pid_t pid = fork ();
+#endif
+ switch( pid ) {
+ case -1: /* error */
+ return(FALSE);
+ case 0: /* child */
+ // Generic X windows terminal window
+ if (command != "")
+ execlp("xterm", "-e", (char *) (const char*) command, NULL);
+ else
+ execlp("xterm", NULL);
+ _exit(127);
+ }
+ return TRUE;
+#endif
+ // End VMS
}
// Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
long wxGetFreeMemory()
{
- // TODO
- return 0;
+ return -1;
}
void wxSleep(int nSecs)
{
- // TODO
+ sleep(nSecs);
}
// Consume all events until no more left
void wxFlushEvents()
{
+ Display *display = (Display*) wxGetDisplay();
+
+ XSync (display, FALSE);
+ XEvent event;
+ // XtAppPending returns availability of events AND timers/inputs, which
+ // are processed via callbacks, so XtAppNextEvent will not return if
+ // there are no events. So added '& XtIMXEvent' - Sergey.
+ while (XtAppPending ((XtAppContext) wxTheApp->GetAppContext()) & XtIMXEvent)
+ {
+ XFlush (XtDisplay ((Widget) wxTheApp->GetTopLevelWidget()));
+ // Jan Lessner: works better when events are non-X events
+ XtAppProcessEvent((XtAppContext) wxTheApp->GetAppContext(), XtIMXEvent);
+ }
}
// Output a debug message, in a system dependent fashion.
void wxDebugMsg(const char *fmt ...)
{
va_list ap;
- static char buffer[512];
+ char buffer[BUFSIZ];
if (!wxTheApp->GetWantDebugOutput())
return ;
- va_start(ap, fmt);
+ va_start (ap, fmt);
- // wvsprintf(buffer,fmt,ap) ;
- // TODO: output buffer
+ vsprintf (buffer, fmt, ap);
+ cerr << buffer;
- va_end(ap);
+ va_end (ap);
}
// Non-fatal error: pop up message box and (possibly) continue
void wxError(const wxString& msg, const wxString& title)
{
- // TODO
- wxExit();
+ cerr << (const char*) title << ": " << (const char*) msg << "\n";
}
// Fatal error: pop up message box and abort
void wxFatalError(const wxString& msg, const wxString& title)
{
- // TODO
+ cerr << (const char*) title << ": " << (const char*) msg << "\n";
+ exit (1);
}
// Emit a beeeeeep
void wxBell()
{
- // TODO
+ // Use current setting for the bell
+ XBell ((Display*) wxGetDisplay(), 0);
}
int wxGetOsVersion(int *majorVsn, int *minorVsn)
{
// TODO
- return 0;
+ // This code is WRONG!! Does NOT return the
+ // Motif version of the libs but the X protocol
+ // version! @@@@@ Fix ME!!!!!!!!!
+ Display *display = XtDisplay ((Widget) wxTheApp->GetTopLevelWidget());
+ if (majorVsn)
+ *majorVsn = ProtocolVersion (display);
+ if (minorVsn)
+ *minorVsn = ProtocolRevision (display);
+ return wxMOTIF_X;
}
// Reading and writing resources (eg WIN.INI, .Xdefaults)
-#if USE_RESOURCES
+#if wxUSE_RESOURCES
+
+static char *GetResourcePath(char *buf, const char *name, bool create = FALSE)
+{
+ if (create && wxFileExists (name) ) {
+ strcpy(buf, name);
+ return buf; // Exists so ...
+ }
+
+ if (*name == '/')
+ strcpy(buf, name);
+ else {
+ // Put in standard place for resource files if not absolute
+ strcpy (buf, DEFAULT_XRESOURCE_DIR);
+ strcat (buf, "/");
+ strcat (buf, (const char*) wxFileNameFromPath (name));
+ }
+
+ if (create) {
+ // Touch the file to create it
+ FILE *fd = fopen (buf, "w");
+ if (fd) fclose (fd);
+ }
+ return buf;
+}
+
+/*
+ * We have a cache for writing different resource files,
+ * which will only get flushed when we call wxFlushResources().
+ * Build up a list of resource databases waiting to be written.
+ *
+ */
+
+wxList wxResourceCache (wxKEY_STRING);
+
+void
+wxFlushResources (void)
+{
+ char nameBuffer[512];
+
+ wxNode *node = wxResourceCache.First ();
+ while (node)
+ {
+ const char *file = node->GetKeyString();
+ // If file doesn't exist, create it first.
+ (void)GetResourcePath(nameBuffer, file, TRUE);
+
+ XrmDatabase database = (XrmDatabase) node->Data ();
+ XrmPutFileDatabase (database, nameBuffer);
+ XrmDestroyDatabase (database);
+ wxNode *next = node->Next ();
+ delete node;
+ node = next;
+ }
+}
+
+static XrmDatabase wxResourceDatabase = 0;
+
+void wxXMergeDatabases (wxApp * theApp, Display * display);
+
bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
{
- // TODO
- return FALSE;
+ char buffer[500];
+
+ (void) GetIniFile (buffer, file);
+
+ XrmDatabase database;
+ wxNode *node = wxResourceCache.Find (buffer);
+ if (node)
+ database = (XrmDatabase) node->Data ();
+ else
+ {
+ database = XrmGetFileDatabase (buffer);
+ wxResourceCache.Append (buffer, (wxObject *) database);
+ }
+
+ char resName[300];
+ strcpy (resName, (const char*) section);
+ strcat (resName, ".");
+ strcat (resName, (const char*) entry);
+
+ XrmPutStringResource (&database, resName, value);
+ return TRUE;
}
bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file)
{
- // TODO
- return FALSE;
+ if (!wxResourceDatabase)
+ {
+ Display *display = (Display*) wxGetDisplay();
+ wxXMergeDatabases (wxTheApp, display);
+ }
+
+ XrmDatabase database;
+
+ if (file != "")
+ {
+ char buffer[500];
+
+ // Is this right? Trying to get it to look in the user's
+ // home directory instead of current directory -- JACS
+ (void) GetIniFile (buffer, file);
+
+ wxNode *node = wxResourceCache.Find (buffer);
+ if (node)
+ database = (XrmDatabase) node->Data ();
+ else
+ {
+ database = XrmGetFileDatabase (buffer);
+ wxResourceCache.Append (buffer, (wxObject *) database);
+ }
+ }
+ else
+ database = wxResourceDatabase;
+
+ XrmValue xvalue;
+ char *str_type[20];
+ char buf[150];
+ strcpy (buf, section);
+ strcat (buf, ".");
+ strcat (buf, entry);
+
+ Bool success = XrmGetResource (database, buf, "*", str_type,
+ &xvalue);
+ // Try different combinations of upper/lower case, just in case...
+ if (!success)
+ {
+ buf[0] = (isupper (buf[0]) ? tolower (buf[0]) : toupper (buf[0]));
+ success = XrmGetResource (database, buf, "*", str_type,
+ &xvalue);
+ }
+ if (success)
+ {
+ if (*value)
+ delete[] *value;
+
+ *value = new char[xvalue.size + 1];
+ strncpy (*value, xvalue.addr, (int) xvalue.size);
+ return TRUE;
+ }
+ return FALSE;
}
bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
bool succ = wxGetResource(section, entry, (char **)&s, file);
if (succ)
{
- *value = (int)strtol(s, NULL, 10);
- delete[] s;
- return TRUE;
+ // Handle True, False here
+ // True, Yes, Enables, Set or Activated
+ if (*s == 'T' || *s == 'Y' || *s == 'E' || *s == 'S' || *s == 'A')
+ *value = TRUE;
+ // False, No, Disabled, Reset, Cleared, Deactivated
+ else if (*s == 'F' || *s == 'N' || *s == 'D' || *s == 'R' || *s == 'C')
+ *value = FALSE;
+ // Handle as Integer
+ else
+ *value = (int) strtol (s, NULL, 10);
+ delete[] s;
+ return TRUE;
}
- else return FALSE;
+ else
+ return FALSE;
+}
+
+void wxXMergeDatabases (wxApp * theApp, Display * display)
+{
+ XrmDatabase homeDB, serverDB, applicationDB;
+ char filenamebuf[1024];
+
+ char *filename = &filenamebuf[0];
+ char *environment;
+ wxString classname = theApp->GetClassName();
+ char name[256];
+ (void) strcpy (name, "/usr/lib/X11/app-defaults/");
+ (void) strcat (name, (const char*) classname);
+
+ /* Get application defaults file, if any */
+ applicationDB = XrmGetFileDatabase (name);
+ (void) XrmMergeDatabases (applicationDB, &wxResourceDatabase);
+
+ /* Merge server defaults, created by xrdb, loaded as a property of the root
+ * window when the server initializes and loaded into the display
+ * structure on XOpenDisplay;
+ * if not defined, use .Xdefaults
+ */
+
+ if (XResourceManagerString (display) != NULL)
+ {
+ serverDB = XrmGetStringDatabase (XResourceManagerString (display));
+ }
+ else
+ {
+ (void) GetIniFile (filename, NULL);
+ serverDB = XrmGetFileDatabase (filename);
+ }
+ XrmMergeDatabases (serverDB, &wxResourceDatabase);
+
+ /* Open XENVIRONMENT file, or if not defined, the .Xdefaults,
+ * and merge into existing database
+ */
+
+ if ((environment = getenv ("XENVIRONMENT")) == NULL)
+ {
+ size_t len;
+ environment = GetIniFile (filename, NULL);
+ len = strlen (environment);
+#if defined(__SVR4__) && !defined(__HPUX__)
+ (void) sysinfo (SI_HOSTNAME, environment + len, 1024 - len);
+#else
+ (void) gethostname (environment + len, 1024 - len);
+#endif
+ }
+ homeDB = XrmGetFileDatabase (environment);
+ XrmMergeDatabases (homeDB, &wxResourceDatabase);
}
-#endif // USE_RESOURCES
+
+#if 0
+
+/*
+ * Not yet used but may be useful.
+ *
+ */
+void
+wxSetDefaultResources (const Widget w, const char **resourceSpec, const char *name)
+{
+ int i;
+ Display *dpy = XtDisplay (w); // Retrieve the display pointer
+
+ XrmDatabase rdb = NULL; // A resource data base
+
+ // Create an empty resource database
+ rdb = XrmGetStringDatabase ("");
+
+ // Add the Component resources, prepending the name of the component
+
+ i = 0;
+ while (resourceSpec[i] != NULL)
+ {
+ char buf[1000];
+
+ sprintf (buf, "*%s%s", name, resourceSpec[i++]);
+ XrmPutLineResource (&rdb, buf);
+ }
+
+ // Merge them into the Xt database, with lowest precendence
+
+ if (rdb)
+ {
+#if (XlibSpecificationRelease>=5)
+ XrmDatabase db = XtDatabase (dpy);
+ XrmCombineDatabase (rdb, &db, FALSE);
+#else
+ XrmMergeDatabases (dpy->db, &rdb);
+ dpy->db = rdb;
+#endif
+ }
+}
+#endif
+ // 0
+
+#endif // wxUSE_RESOURCES
static int wxBusyCursorCount = 0;
+// Helper function
+static void
+wxXSetBusyCursor (wxWindow * win, wxCursor * cursor)
+{
+ Display *display = (Display*) win->GetXDisplay();
+
+ Window xwin = (Window) win->GetXWindow();
+ XSetWindowAttributes attrs;
+
+ if (cursor)
+ {
+ attrs.cursor = (Cursor) cursor->GetXCursor(display);
+ }
+ else
+ {
+ // Restore old cursor
+ if (win->GetCursor()->Ok())
+ attrs.cursor = (Cursor) win->GetCursor()->GetXCursor(display);
+ else
+ attrs.cursor = None;
+ }
+ if (xwin)
+ XChangeWindowAttributes (display, xwin, CWCursor, &attrs);
+
+ XFlush (display);
+
+ for(wxNode *node = win->GetChildren().First (); node; node = node->Next())
+ {
+ wxWindow *child = (wxWindow *) node->Data ();
+ wxXSetBusyCursor (child, cursor);
+ }
+}
+
// Set the cursor to the busy cursor for all windows
void wxBeginBusyCursor(wxCursor *cursor)
{
- wxBusyCursorCount ++;
+ wxBusyCursorCount++;
if (wxBusyCursorCount == 1)
{
- // TODO
- }
- else
- {
- // TODO
+ for(wxNode *node = wxTopLevelWindows.First (); node; node = node->Next())
+ {
+ wxWindow *win = (wxWindow *) node->Data ();
+ wxXSetBusyCursor (win, cursor);
+ }
}
}
{
if (wxBusyCursorCount == 0)
return;
-
- wxBusyCursorCount --;
+
+ wxBusyCursorCount--;
if (wxBusyCursorCount == 0)
{
- // TODO
+ for(wxNode *node = wxTopLevelWindows.First (); node; node = node->Next())
+ {
+ wxWindow *win = (wxWindow *) node->Data ();
+ wxXSetBusyCursor (win, NULL);
+ }
}
}
return (wxBusyCursorCount > 0);
}
+const char* wxGetHomeDir( wxString *home )
+{
+ *home = wxGetUserHome( wxString() );
+ if (home->IsNull()) *home = "/";
+ return *home;
+};
+
char *wxGetUserHome (const wxString& user)
{
- // TODO
- return NULL;
+#ifdef VMS
+ return(NULL);
+#else
+ struct passwd *who = NULL;
+
+ if (user == "") {
+ register char *ptr;
+
+ if ((ptr = getenv("HOME")) != NULL)
+ return ptr;
+ if ((ptr = getenv("USER")) != NULL ||
+ (ptr = getenv("LOGNAME")) != NULL)
+ {
+ who = getpwnam( ptr );
+ }
+ // We now make sure the the user exists!
+ if (who == NULL)
+ who = getpwuid( getuid() );
+ } else
+ who = getpwnam ((const char*) user);
+
+ return who ? who->pw_dir : (char*) NULL;
+#endif
+ // ifdef VMS
}
// Check whether this window wants to process messages, e.g. Stop button
// in long calculations.
bool wxCheckForInterrupt(wxWindow *wnd)
{
- // TODO
- return FALSE;
+ if(wnd){
+ Display *dpy=(Display*) wnd->GetXDisplay();
+ Window win=(Window) wnd->GetXWindow();
+ XEvent event;
+ XFlush(dpy);
+ if(wnd->GetMainWidget()){
+ XmUpdateDisplay((Widget)(wnd->GetMainWidget()));
+ }
+ while(XCheckMaskEvent(dpy,
+ ButtonPressMask|ButtonReleaseMask|ButtonMotionMask|
+ PointerMotionMask|KeyPressMask|KeyReleaseMask,
+ &event)){
+ if(event.xany.window==win)
+ XtDispatchEvent(&event);
+ // else
+ // XBell(dpy,50);
+ }
+ return TRUE;//*** temporary?
+ }
+ else{
+ wxMessageBox("wnd==NULL !!!");
+ return FALSE;//*** temporary?
+ }
}
void wxGetMousePosition( int* x, int* y )
{
- // TODO
+ XMotionEvent xev;
+ Window root, child;
+ XQueryPointer((Display*) wxGetDisplay(),
+ DefaultRootWindow((Display*) wxGetDisplay()), &root, &child,
+ &(xev.x_root), &(xev.y_root),
+ &(xev.x), &(xev.y),
+ &(xev.state));
+ *x = xev.x_root;
+ *y = xev.y_root;
};
// Return TRUE if we have a colour display
bool wxColourDisplay()
{
- // TODO
- return TRUE;
+ Display *dpy = (Display*) wxGetDisplay();
+
+ if (DefaultDepth (dpy, DefaultScreen (dpy)) < 2)
+ return FALSE;
+ else
+ return TRUE;
}
// Returns depth of screen
int wxDisplayDepth()
{
- // TODO
- return 0;
+ Display *dpy = (Display*) wxGetDisplay();
+ return DefaultDepth (dpy, DefaultScreen (dpy));
}
// Get size of display
void wxDisplaySize(int *width, int *height)
{
- // TODO
+ Display *dpy = (Display*) wxGetDisplay();
+
+ *width = DisplayWidth (dpy, DefaultScreen (dpy));
+ *height = DisplayHeight (dpy, DefaultScreen (dpy));
}
/* Configurable display in Motif */
if (gs_currentDisplay)
return gs_currentDisplay;
- return XtDisplay ((Widget) wxTheApp->GetTopLevelWidget());
+ if (wxTheApp && wxTheApp->GetTopLevelWidget())
+ return XtDisplay ((Widget) wxTheApp->GetTopLevelWidget());
+ else if (wxTheApp)
+ return wxTheApp->GetInitialDisplay();
+ else
+ return (WXDisplay*) NULL;
}
bool wxSetDisplay(const wxString& display_name)
} // switch
return keySym;
}
+
+// Read $HOME for what it says is home, if not
+// read $USER or $LOGNAME for user name else determine
+// the Real User, then determine the Real home dir.
+static char * GetIniFile (char *dest, const char *filename)
+{
+ char *home = NULL;
+ if (filename && wxIsAbsolutePath(filename))
+ {
+ strcpy(dest, filename);
+ }
+ else if ((home = wxGetUserHome("")) != NULL)
+ {
+ strcpy(dest, home);
+ if (dest[strlen(dest) - 1] != '/')
+ strcat (dest, "/");
+ if (filename == NULL)
+ {
+ if ((filename = getenv ("XENVIRONMENT")) == NULL)
+ filename = ".Xdefaults";
+ }
+ else if (*filename != '.')
+ strcat (dest, ".");
+ strcat (dest, filename);
+ } else
+ {
+ dest[0] = '\0';
+ }
+ return dest;
+}
+
+/*
+ * Some colour manipulation routines
+ */
+
+void wxHSVToXColor(wxHSV *hsv,XColor *rgb)
+ {
+ int h = hsv->h;
+ int s = hsv->s;
+ int v = hsv->v;
+ int r, g, b;
+ int i, f;
+ int p, q, t;
+ s = (s * wxMAX_RGB) / wxMAX_SV;
+ v = (v * wxMAX_RGB) / wxMAX_SV;
+ if (h == 360) h = 0;
+ if (s == 0) { h = 0; r = g = b = v; }
+ i = h / 60;
+ f = h % 60;
+ p = v * (wxMAX_RGB - s) / wxMAX_RGB;
+ q = v * (wxMAX_RGB - s * f / 60) / wxMAX_RGB;
+ t = v * (wxMAX_RGB - s * (60 - f) / 60) / wxMAX_RGB;
+ switch (i)
+ {
+ case 0: r = v, g = t, b = p; break;
+ case 1: r = q, g = v, b = p; break;
+ case 2: r = p, g = v, b = t; break;
+ case 3: r = p, g = q, b = v; break;
+ case 4: r = t, g = p, b = v; break;
+ case 5: r = v, g = p, b = q; break;
+ }
+ rgb->red = r << 8;
+ rgb->green = g << 8;
+ rgb->blue = b << 8;
+ }
+
+void wxXColorToHSV(wxHSV *hsv,XColor *rgb)
+ {
+ int r = rgb->red >> 8;
+ int g = rgb->green >> 8;
+ int b = rgb->blue >> 8;
+ int maxv = wxMax3(r, g, b);
+ int minv = wxMin3(r, g, b);
+ int h, s, v;
+ v = maxv;
+ if (maxv) s = (maxv - minv) * wxMAX_RGB / maxv;
+ else s = 0;
+ if (s == 0) h = 0;
+ else
+ {
+ int rc, gc, bc, hex;
+ rc = (maxv - r) * wxMAX_RGB / (maxv - minv);
+ gc = (maxv - g) * wxMAX_RGB / (maxv - minv);
+ bc = (maxv - b) * wxMAX_RGB / (maxv - minv);
+ if (r == maxv) { h = bc - gc, hex = 0; }
+ else if (g == maxv) { h = rc - bc, hex = 2; }
+ else if (b == maxv) { h = gc - rc, hex = 4; }
+ h = hex * 60 + (h * 60 / wxMAX_RGB);
+ if (h < 0) h += 360;
+ }
+ hsv->h = h;
+ hsv->s = (s * wxMAX_SV) / wxMAX_RGB;
+ hsv->v = (v * wxMAX_SV) / wxMAX_RGB;
+ }
+
+void wxAllocNearestColor(Display *d,Colormap cmp,XColor *xc)
+ {
+ int llp;
+
+ int screen = DefaultScreen(d);
+ int num_colors = DisplayCells(d,screen);
+
+ XColor *color_defs = new XColor[num_colors];
+ for(llp = 0;llp < num_colors;llp++) color_defs[llp].pixel = llp;
+ XQueryColors(d,cmp,color_defs,num_colors);
+
+ wxHSV hsv_defs, hsv;
+ wxXColorToHSV(&hsv,xc);
+
+ int diff, min_diff, pixel = 0;
+
+ for(llp = 0;llp < num_colors;llp++)
+ {
+ wxXColorToHSV(&hsv_defs,&color_defs[llp]);
+ diff = wxSIGN(wxH_WEIGHT * (hsv.h - hsv_defs.h)) +
+ wxSIGN(wxS_WEIGHT * (hsv.s - hsv_defs.s)) +
+ wxSIGN(wxV_WEIGHT * (hsv.v - hsv_defs.v));
+ if (llp == 0) min_diff = diff;
+ if (min_diff > diff) { min_diff = diff; pixel = llp; }
+ if (min_diff == 0) break;
+ }
+
+ xc -> red = color_defs[pixel].red;
+ xc -> green = color_defs[pixel].green;
+ xc -> blue = color_defs[pixel].blue;
+ xc -> flags = DoRed | DoGreen | DoBlue;
+ if (!XAllocColor(d,cmp,xc))
+ cout << "wxAllocNearestColor : Warning : Cannot find nearest color !\n";
+
+ delete[] color_defs;
+ }
+
+void wxAllocColor(Display *d,Colormap cmp,XColor *xc)
+ {
+ if (!XAllocColor(d,cmp,xc))
+ {
+// cout << "wxAllocColor : Warning : Can not allocate color, attempt find nearest !\n";
+ wxAllocNearestColor(d,cmp,xc);
+ }
+ }
+
+
+// These functions duplicate those in wxWindow, but are needed
+// for use outside of wxWindow (e.g. wxMenu, wxMenuBar).
+
+// Change a widget's foreground and background colours.
+
+void wxDoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
+{
+ // When should we specify the foreground, if it's calculated
+ // by wxComputeColours?
+ // Solution: say we start with the default (computed) foreground colour.
+ // If we call SetForegroundColour explicitly for a control or window,
+ // then the foreground is changed.
+ // Therefore SetBackgroundColour computes the foreground colour, and
+ // SetForegroundColour changes the foreground colour. The ordering is
+ // important.
+
+ XtVaSetValues ((Widget) widget,
+ XmNforeground, foregroundColour.AllocColour(XtDisplay((Widget) widget)),
+ NULL);
+}
+
+void wxDoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour)
+{
+ wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
+ (wxColour*) NULL);
+
+ XtVaSetValues ((Widget) widget,
+ XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
+ XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
+ XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
+ XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
+ NULL);
+
+ if (changeArmColour)
+ XtVaSetValues ((Widget) widget,
+ XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
+ NULL);
+}
+
+