X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dfc5454127ac2195e10deebb216d82c674e757df..184b5d99a5382cd7a19888c85aff11f8a21af2f6:/src/motif/utils.cpp diff --git a/src/motif/utils.cpp b/src/motif/utils.cpp index ef1bbe2a62..63278446f8 100644 --- a/src/motif/utils.cpp +++ b/src/motif/utils.cpp @@ -18,43 +18,108 @@ #include "wx/setup.h" #include "wx/utils.h" #include "wx/app.h" +#include "wx/msgdlg.h" +#include "wx/cursor.h" #include - -#include -#include -#include #include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef __SVR4__ +#include +#endif #include #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); } // @@ -62,75 +127,194 @@ int wxKill(long pid, int sig) // 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) + { + char *file = node->key.string; + // 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) @@ -156,8 +340,60 @@ bool wxWriteResource(const wxString& section, const wxString& entry, int value, 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) @@ -192,27 +428,167 @@ bool wxGetResource(const wxString& section, const wxString& entry, int *value, c 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); + } } } @@ -221,11 +597,15 @@ void wxEndBusyCursor() { 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); + } } } @@ -235,23 +615,81 @@ bool wxIsBusy() 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 @@ -290,7 +728,12 @@ WXDisplay *wxGetDisplay() 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) @@ -651,3 +1094,145 @@ KeySym wxCharCodeWXToX(int id) } // 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); + } + } + +