--- rxvt-unicode/src/rxvttoolkit.C 2004/08/15 00:37:04 1.1 +++ rxvt-unicode/src/rxvttoolkit.C 2006/01/25 02:42:06 1.25 @@ -1,5 +1,5 @@ /*--------------------------------*-C-*---------------------------------* - * File: rxvtcolor.C + * File: rxvttoolkit.C *----------------------------------------------------------------------* * * All portions of code are copyright by their respective author/s. @@ -27,14 +27,54 @@ #include #include +#include + #ifndef NO_SLOW_LINK_SUPPORT # include # include #endif +const char *const xa_names[] = + { + "TEXT", + "COMPOUND_TEXT", + "UTF8_STRING", + "MULTIPLE", + "TARGETS", + "TIMESTAMP", + "VT_SELECTION", + "INCR", + "WM_PROTOCOLS", + "WM_DELETE_WINDOW", + "CLIPBOARD", +#if ENABLE_FRILLS + "_MOTIF_WM_HINTS", +#endif +#if ENABLE_EWMH + "_NET_WM_PID", + "_NET_WM_NAME", + "_NET_WM_ICON_NAME", + "_NET_WM_PING", +#endif +#if USE_XIM + "WM_LOCALE_NAME", + "XIM_SERVERS", +#endif +#ifdef TRANSPARENT + "_XROOTPMAP_ID", + "ESETROOT_PMAP_ID", +#endif +#if ENABLE_XEMBED + "_XEMBED", + "_XEMBED_INFO", +#endif + }; + +///////////////////////////////////////////////////////////////////////////// + refcounted::refcounted (const char *id) { - this->id = STRDUP (id); + this->id = strdup (id); } refcounted::~refcounted () @@ -49,17 +89,17 @@ { if (!strcmp (id, (*i)->id)) { - (*i)->referenced++; + ++(*i)->referenced; + (*i)->ref_next (); return *i; } } T *obj = new T (id); - obj->referenced = 1; - - if (obj && obj->init ()) + if (obj && obj->ref_init ()) { + obj->referenced = 1; this->push_back (obj); return obj; } @@ -84,7 +124,7 @@ } template -refcache::~refcache () +void refcache::clear () { while (this->size ()) put (*this->begin ()); @@ -93,6 +133,7 @@ ///////////////////////////////////////////////////////////////////////////// #ifdef USE_XIM + static void #if XIMCB_PROTO_BROKEN im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) @@ -103,12 +144,14 @@ rxvt_xim *xim = (rxvt_xim *)client_data; rxvt_display *display = xim->display; - display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); + xim->xim = 0; + display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); display->im_change_cb (); } -bool rxvt_xim::init () +bool +rxvt_xim::ref_init () { display = GET_R->display; //HACK: TODO @@ -131,6 +174,7 @@ if (xim) XCloseIM (xim); } + #endif ///////////////////////////////////////////////////////////////////////////// @@ -142,9 +186,103 @@ { } -bool rxvt_display::init () +XrmDatabase +rxvt_display::get_resources () +{ + char *homedir = (char *)getenv ("HOME"); + char fname[1024]; + + /* + * get resources using the X library function + */ + char *displayResource, *xe; + XrmDatabase database, rdb1; + + database = NULL; + + // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 + + // 6. System wide per application default file. + + /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ + if ((xe = (char *)getenv ("XAPPLRESDIR"))) + { + snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); + + if ((rdb1 = XrmGetFileDatabase (fname))) + XrmMergeDatabases (rdb1, &database); + } + + // 5. User's per application default file. + // none + + // 4. User's defaults file. + /* Get any Xserver defaults */ + displayResource = XResourceManagerString (display); + + if (displayResource != NULL) + { + if ((rdb1 = XrmGetStringDatabase (displayResource))) + XrmMergeDatabases (rdb1, &database); + } + else if (homedir) + { + snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir); + + if ((rdb1 = XrmGetFileDatabase (fname))) + XrmMergeDatabases (rdb1, &database); + } + + /* Get screen specific resources */ + displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); + + if (displayResource != NULL) + { + if ((rdb1 = XrmGetStringDatabase (displayResource))) + /* Merge with screen-independent resources */ + XrmMergeDatabases (rdb1, &database); + + XFree (displayResource); + } + + // 3. User's per host defaults file + /* Add in XENVIRONMENT file */ + if ((xe = (char *)getenv ("XENVIRONMENT")) + && (rdb1 = XrmGetFileDatabase (xe))) + XrmMergeDatabases (rdb1, &database); + else if (homedir) + { + struct utsname un; + + if (!uname (&un)) + { + snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename); + + if ((rdb1 = XrmGetFileDatabase (fname))) + XrmMergeDatabases (rdb1, &database); + } + } + + return database; +} + +bool rxvt_display::ref_init () { - display = XOpenDisplay (id); +#ifdef LOCAL_X_IS_UNIX + if (id[0] == ':') + { + val = rxvt_malloc (5 + strlen (id) + 1); + strcpy (val, "unix/"); + strcat (val, id); + display = XOpenDisplay (val); + free (val); + } + else +#endif + display = 0; + + if (!display) + display = XOpenDisplay (id); if (!display) return false; @@ -155,18 +293,20 @@ cmap = DefaultColormap (display, screen); depth = DefaultDepth (display, screen); - int fd = XConnectionNumber (display); + assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); + XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); -#ifndef NO_SLOW_LINK_SUPPORT - // try to detetc wether we have a local connection. - // assume unix domains socket == local, everything else not - // TODO: might want to check for inet/127.0.0.1 - is_local = 0; - sockaddr_un sa; - socklen_t sl = sizeof (sa); + XrmSetDatabase (display, get_resources ()); - if (!getsockname (fd, (sockaddr *)&sa, &sl)) - is_local = sa.sun_family == AF_LOCAL; +#ifdef POINTER_BLANK + XColor blackcolour; + blackcolour.red = 0; + blackcolour.green = 0; + blackcolour.blue = 0; + Font f = XLoadFont (display, "fixed"); + blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', + &blackcolour, &blackcolour); + XUnloadFont (display, f); #endif #ifdef PREFER_24BIT @@ -188,25 +328,52 @@ } #endif + int fd = XConnectionNumber (display); + +#ifndef NO_SLOW_LINK_SUPPORT + // try to detect wether we have a local connection. + // assume unix domains socket == local, everything else not + // TODO: might want to check for inet/127.0.0.1 + is_local = 0; + sockaddr_un sa; + socklen_t sl = sizeof (sa); + + if (!getsockname (fd, (sockaddr *)&sa, &sl)) + is_local = sa.sun_family == AF_LOCAL; +#endif + x_ev.start (fd, EVENT_READ); fcntl (fd, F_SETFD, FD_CLOEXEC); XSelectInput (display, root, PropertyChangeMask); -#ifdef USE_XIM - xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0); -#endif flush (); return true; } +void +rxvt_display::ref_next () +{ + // TODO: somehow check wether the database files/resources changed + // before re-loading/parsing + XrmDestroyDatabase (XrmGetDatabase (display)); + XrmSetDatabase (display, get_resources ()); +} + rxvt_display::~rxvt_display () { - x_ev.stop (); + if (!display) + return; - if (display) - XCloseDisplay (display); +#ifdef POINTER_BLANK + XFreeCursor (display, blank_cursor); +#endif + x_ev.stop (); +#ifdef USE_XIM + xims.clear (); +#endif + XCloseDisplay (display); } #ifdef USE_XIM @@ -215,6 +382,31 @@ for (im_watcher **i = imw.begin (); i != imw.end (); ++i) (*i)->call (); } + +void rxvt_display::im_change_check () +{ + // try to only call im_change_cb when a new input method + // registers, as xlib crashes due to a race otherwise. + Atom actual_type, *atoms; + int actual_format; + unsigned long nitems, bytes_after; + + if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, + False, XA_ATOM, &actual_type, &actual_format, + &nitems, &bytes_after, (unsigned char **)&atoms) + != Success ) + return; + + if (actual_type == XA_ATOM && actual_format == 32) + for (int i = 0; i < nitems; i++) + if (XGetSelectionOwner (display, atoms[i])) + { + im_change_cb (); + break; + } + + XFree (atoms); +} #endif void rxvt_display::x_cb (io_watcher &w, short revents) @@ -224,37 +416,36 @@ XEvent xev; XNextEvent (display, &xev); - //printf ("T %d w %lx\n", xev.type, xev.xany.window);//D - #ifdef USE_XIM - if (xev.type == PropertyNotify - && xev.xany.window == root - && xev.xproperty.atom == xa_xim_servers) - im_change_cb (); -#endif - - for (int i = xw.size (); i--; ) + if (!XFilterEvent (&xev, None)) { - if (!xw[i]) - xw.erase_unordered (i); - else if (xw[i]->window == xev.xany.window) - xw[i]->call (xev); + if (xev.type == PropertyNotify + && xev.xany.window == root + && xev.xproperty.atom == xa[XA_XIM_SERVERS]) + im_change_check (); +#endif + for (int i = xw.size (); i--; ) + { + if (!xw[i]) + xw.erase_unordered (i); + else if (xw[i]->window == xev.xany.window) + xw[i]->call (xev); + } +#ifdef USE_XIM } +#endif } - while (XPending (display)); + while (XEventsQueued (display, QueuedAlready)); - flush (); + XFlush (display); } void rxvt_display::flush () { - for (;;) - { - if (!XPending (display)) - break; + if (XEventsQueued (display, QueuedAlready)) + x_cb (x_ev, EVENT_READ); - x_cb (x_ev, 0); - } + XFlush (display); } void rxvt_display::reg (xevent_watcher *w) @@ -311,7 +502,9 @@ void rxvt_display::put_xim (rxvt_xim *xim) { +#if XLIB_IS_RACEFREE xims.put (xim); +#endif } #endif @@ -359,12 +552,17 @@ bool rxvt_color::set (rxvt_display *display, const char *name) { +#if XFT + return XftColorAllocName (display->display, display->visual, display->cmap, + name, &c); +#else XColor xc; if (XParseColor (display->display, display->cmap, name, &xc)) return set (display, xc.red, xc.green, xc.blue); return false; +#endif } bool @@ -415,14 +613,43 @@ rxvt_color rxvt_color::fade (rxvt_display *display, int percent) { + percent = 100 - percent; + unsigned short cr, cg, cb; rxvt_color faded; get (display, cr, cg, cb); - faded.set (display, - cr * percent / 100, - cg * percent / 100, - cb * percent / 100); + + faded.set ( + display, + cr * percent / 100, + cg * percent / 100, + cb * percent / 100 + ); + + return faded; +} + +#define LERP(a,b,p) (a * p + b * (100 - p)) / 100 + +rxvt_color +rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto) +{ + percent = 100 - percent; + + unsigned short cr, cg, cb; + unsigned short fcr, fcg, fcb; + rxvt_color faded; + + get (display, cr, cg, cb); + fadeto.get(display, fcr, fcg, fcb); + + faded.set ( + display, + LERP (cr, fcr, percent), + LERP (cg, fcg, percent), + LERP (cb, fcb, percent) + ); return faded; }