diff options
Diffstat (limited to 'src/support.c')
| -rw-r--r-- | src/support.c | 1081 |
1 files changed, 497 insertions, 584 deletions
diff --git a/src/support.c b/src/support.c index ee214cf..abe18ce 100644 --- a/src/support.c +++ b/src/support.c @@ -41,632 +41,545 @@ static unsigned char timeout = 0; */ static char e17_fake_ipc = 0; -void -feh_wm_set_bg_file(char *file, unsigned char bgmode) +void feh_wm_set_bg_file(char *file, unsigned char bgmode) { - Imlib_Image im; - feh_file *fil; - - fil = feh_file_new(file); - if (fil) - { - if (feh_load_image(&im, fil) == 0) - eprintf("Couldn't load image in order to set bg"); - switch (bgmode) - { - case BG_MODE_SEAMLESS: - gib_imlib_image_tile(im); - feh_wm_set_bg(NULL, im, 0, 0, 0, 1); - break; - case BG_MODE_TILE: - feh_wm_set_bg(file, im, 0, 0, 0, 1); - break; - case BG_MODE_SCALE: - feh_wm_set_bg(file, im, 0, 1, 0, 1); - break; - default: - feh_wm_set_bg(file, im, 1, 0, 0, 1); - break; - } - gib_imlib_free_image_and_decache(im); - feh_file_free(fil); - } + Imlib_Image im; + feh_file *fil; + + fil = feh_file_new(file); + if (fil) { + if (feh_load_image(&im, fil) == 0) + eprintf("Couldn't load image in order to set bg"); + switch (bgmode) { + case BG_MODE_SEAMLESS: + gib_imlib_image_tile(im); + feh_wm_set_bg(NULL, im, 0, 0, 0, 1); + break; + case BG_MODE_TILE: + feh_wm_set_bg(file, im, 0, 0, 0, 1); + break; + case BG_MODE_SCALE: + feh_wm_set_bg(file, im, 0, 1, 0, 1); + break; + default: + feh_wm_set_bg(file, im, 1, 0, 0, 1); + break; + } + gib_imlib_free_image_and_decache(im); + feh_file_free(fil); + } } -void -feh_wm_set_bg(char *fil, Imlib_Image im, int centered, int scaled, - int desktop, int set) +void feh_wm_set_bg(char *fil, Imlib_Image im, int centered, int scaled, int desktop, int set) { - char bgname[20]; - int num = (int) rand(); - char bgfil[4096]; - char sendbuf[4096]; - - D_ENTER(4); - - snprintf(bgname, sizeof(bgname), "FEHBG_%d", num); - - if (!fil) - { - snprintf(bgfil, sizeof(bgfil), "%s/.%s.png", getenv("HOME"), bgname); - imlib_context_set_image(im); - imlib_image_set_format("png"); - gib_imlib_save_image(im, bgfil); - D(3, ("bg saved as %s\n", bgfil)); - fil = bgfil; - } - D(3, ("Setting bg %s\n", fil)); - - if (feh_wm_get_wm_is_e() && (enl_ipc_get_win() != None)) - { - snprintf(sendbuf, sizeof(sendbuf), "background %s bg.file %s", bgname, - fil); - enl_ipc_send(sendbuf); - - if (scaled) - { - snprintf(sendbuf, sizeof(sendbuf), "background %s bg.solid 0 0 0", - bgname); - enl_ipc_send(sendbuf); - snprintf(sendbuf, sizeof(sendbuf), "background %s bg.tile 0", - bgname); - enl_ipc_send(sendbuf); - snprintf(sendbuf, sizeof(sendbuf), "background %s bg.xjust 512", - bgname); - enl_ipc_send(sendbuf); - snprintf(sendbuf, sizeof(sendbuf), "background %s bg.yjust 512", - bgname); - enl_ipc_send(sendbuf); - snprintf(sendbuf, sizeof(sendbuf), "background %s bg.xperc 1024", - bgname); - enl_ipc_send(sendbuf); - snprintf(sendbuf, sizeof(sendbuf), "background %s bg.yperc 1024", - bgname); - enl_ipc_send(sendbuf); - } - else if (centered) - { - snprintf(sendbuf, sizeof(sendbuf), "background %s bg.solid 0 0 0", - bgname); - enl_ipc_send(sendbuf); - snprintf(sendbuf, sizeof(sendbuf), "background %s bg.tile 0", - bgname); - enl_ipc_send(sendbuf); - snprintf(sendbuf, sizeof(sendbuf), "background %s bg.xjust 512", - bgname); - enl_ipc_send(sendbuf); - snprintf(sendbuf, sizeof(sendbuf), "background %s bg.yjust 512", - bgname); - enl_ipc_send(sendbuf); - } - else - { - snprintf(sendbuf, sizeof(sendbuf), "background %s bg.tile 1", - bgname); - enl_ipc_send(sendbuf); - } - - if (set) - { - snprintf(sendbuf, sizeof(sendbuf), "use_bg %s %d", bgname, desktop); - enl_ipc_send(sendbuf); - } - enl_ipc_sync(); - } - else - { - Atom prop_root, prop_esetroot, type; - int format; - unsigned long length, after; - unsigned char *data_root, *data_esetroot; - Pixmap pmap_d1, pmap_d2; - /* string for sticking in ~/.fehbg */ - char *fehbg = NULL; - char *home; - char filbuf[PATH_MAX]; - - /* local display to set closedownmode on */ - Display *disp2; - Window root2; - int depth2; - XGCValues gcvalues; - GC gc; - int in, out, w, h; - - D(3, ("Falling back to XSetRootWindowPixmap\n")); - - /* Put the filename in filbuf between ' and escape ' in the filename */ - out = 0; - filbuf[out++] = '\''; - for (in = 0; fil[in] && out < (PATH_MAX-4); in++) { - if (fil[in] == '\'') { - filbuf[out++] = '\\'; - } - filbuf[out++] = fil[in]; - } - filbuf[out++] = '\''; - filbuf[out++] = 0; - - if (scaled) { - w = scr->width; - h = scr->height; + char bgname[20]; + int num = (int) rand(); + char bgfil[4096]; + char sendbuf[4096]; + + D_ENTER(4); + + snprintf(bgname, sizeof(bgname), "FEHBG_%d", num); + + if (!fil) { + snprintf(bgfil, sizeof(bgfil), "%s/.%s.png", getenv("HOME"), bgname); + imlib_context_set_image(im); + imlib_image_set_format("png"); + gib_imlib_save_image(im, bgfil); + D(3, ("bg saved as %s\n", bgfil)); + fil = bgfil; + } + D(3, ("Setting bg %s\n", fil)); + + if (feh_wm_get_wm_is_e() && (enl_ipc_get_win() != None)) { + snprintf(sendbuf, sizeof(sendbuf), "background %s bg.file %s", bgname, fil); + enl_ipc_send(sendbuf); + + if (scaled) { + snprintf(sendbuf, sizeof(sendbuf), "background %s bg.solid 0 0 0", bgname); + enl_ipc_send(sendbuf); + snprintf(sendbuf, sizeof(sendbuf), "background %s bg.tile 0", bgname); + enl_ipc_send(sendbuf); + snprintf(sendbuf, sizeof(sendbuf), "background %s bg.xjust 512", bgname); + enl_ipc_send(sendbuf); + snprintf(sendbuf, sizeof(sendbuf), "background %s bg.yjust 512", bgname); + enl_ipc_send(sendbuf); + snprintf(sendbuf, sizeof(sendbuf), "background %s bg.xperc 1024", bgname); + enl_ipc_send(sendbuf); + snprintf(sendbuf, sizeof(sendbuf), "background %s bg.yperc 1024", bgname); + enl_ipc_send(sendbuf); + } else if (centered) { + snprintf(sendbuf, sizeof(sendbuf), "background %s bg.solid 0 0 0", bgname); + enl_ipc_send(sendbuf); + snprintf(sendbuf, sizeof(sendbuf), "background %s bg.tile 0", bgname); + enl_ipc_send(sendbuf); + snprintf(sendbuf, sizeof(sendbuf), "background %s bg.xjust 512", bgname); + enl_ipc_send(sendbuf); + snprintf(sendbuf, sizeof(sendbuf), "background %s bg.yjust 512", bgname); + enl_ipc_send(sendbuf); + } else { + snprintf(sendbuf, sizeof(sendbuf), "background %s bg.tile 1", bgname); + enl_ipc_send(sendbuf); + } + + if (set) { + snprintf(sendbuf, sizeof(sendbuf), "use_bg %s %d", bgname, desktop); + enl_ipc_send(sendbuf); + } + enl_ipc_sync(); + } else { + Atom prop_root, prop_esetroot, type; + int format; + unsigned long length, after; + unsigned char *data_root, *data_esetroot; + Pixmap pmap_d1, pmap_d2; + /* string for sticking in ~/.fehbg */ + char *fehbg = NULL; + char *home; + char filbuf[PATH_MAX]; + + /* local display to set closedownmode on */ + Display *disp2; + Window root2; + int depth2; + XGCValues gcvalues; + GC gc; + int in, out, w, h; + + D(3, ("Falling back to XSetRootWindowPixmap\n")); + + /* Put the filename in filbuf between ' and escape ' in the filename */ + out = 0; + filbuf[out++] = '\''; + for (in = 0; fil[in] && out < (PATH_MAX - 4); in++) { + if (fil[in] == '\'') { + filbuf[out++] = '\\'; + } + filbuf[out++] = fil[in]; + } + filbuf[out++] = '\''; + filbuf[out++] = 0; + + if (scaled) { + w = scr->width; + h = scr->height; /* disable xinerama check for setting background */ #if 0 /* #ifdef HAVE_LIBXINERAMA */ - if (opt.xinerama && xinerama_screens) { - w = xinerama_screens[xinerama_screen].width; - h = xinerama_screens[xinerama_screen].height; - } -#endif /* HAVE_LIBXINERAMA */ - - pmap_d1 = XCreatePixmap(disp, root, w, h, depth); - gib_imlib_render_image_on_drawable_at_size(pmap_d1, im, 0, 0, w, h, - 1, 0, 1); - fehbg = estrjoin(" ", "feh --bg-scale", filbuf, NULL); - } else if (centered) { - XGCValues gcval; - GC gc; - int x, y; - - D(3, ("centering\n")); - w = scr->width; - h = scr->height; + if (opt.xinerama && xinerama_screens) { + w = xinerama_screens[xinerama_screen].width; + h = xinerama_screens[xinerama_screen].height; + } +#endif /* HAVE_LIBXINERAMA */ + + pmap_d1 = XCreatePixmap(disp, root, w, h, depth); + gib_imlib_render_image_on_drawable_at_size(pmap_d1, im, 0, 0, w, h, 1, 0, 1); + fehbg = estrjoin(" ", "feh --bg-scale", filbuf, NULL); + } else if (centered) { + XGCValues gcval; + GC gc; + int x, y; + + D(3, ("centering\n")); + w = scr->width; + h = scr->height; /* disable xinerama check for setting background */ #if 0 /* #ifdef HAVE_LIBXINERAMA */ - if (opt.xinerama && xinerama_screens) { - w = xinerama_screens[xinerama_screen].width; - h = xinerama_screens[xinerama_screen].height; - } -#endif /* HAVE_LIBXINERAMA */ - - pmap_d1 = XCreatePixmap(disp, root, w, h, depth); - gcval.foreground = BlackPixel(disp, DefaultScreen(disp)); - gc = XCreateGC(disp, root, GCForeground, &gcval); - XFillRectangle(disp, pmap_d1, gc, 0, 0, w, h); - x = (w - gib_imlib_image_get_width(im)) >> 1; - y = (h - gib_imlib_image_get_height(im)) >> 1; - gib_imlib_render_image_on_drawable(pmap_d1, im, x, y, 1, 0, 0); - XFreeGC(disp, gc); - fehbg = estrjoin(" ", "feh --bg-center", filbuf, NULL); - } else { - w = gib_imlib_image_get_width(im); - h = gib_imlib_image_get_height(im); - pmap_d1 = - XCreatePixmap(disp, root, w, h, depth); - gib_imlib_render_image_on_drawable(pmap_d1, im, 0, 0, 1, 0, 0); - fehbg = estrjoin(" ", "feh --bg-tile", filbuf, NULL); - } - - if (fehbg) { - home = getenv("HOME"); - if(home) { - FILE *fp; - char *path; - path = estrjoin("/", home, ".fehbg", NULL); - if ((fp = fopen(path, "w")) == NULL) { - weprintf("Can't open %s for write", path); - } else { - fprintf(fp, "%s\n", fehbg); - fclose(fp); - } - free(path); - } - free(fehbg); - } - - /* create new display, copy pixmap to new display */ - disp2 = XOpenDisplay(NULL); - if (!disp2) - eprintf("Can't reopen X display."); - root2 = RootWindow(disp2, DefaultScreen(disp2)); - depth2 = DefaultDepth(disp2, DefaultScreen(disp2)); - XSync(disp, False); - pmap_d2 = XCreatePixmap(disp2, root2, scr->width, scr->height, depth2); - gcvalues.fill_style = FillTiled; - gcvalues.tile = pmap_d1; - gc = XCreateGC(disp2, pmap_d2, GCFillStyle|GCTile, &gcvalues); - XFillRectangle(disp2, pmap_d2, gc, 0, 0, scr->width, scr->height); - XFreeGC(disp2, gc); - XSync(disp2, False); - XSync(disp, False); - XFreePixmap(disp, pmap_d1); - - prop_root = XInternAtom(disp2, "_XROOTPMAP_ID", True); - prop_esetroot = XInternAtom(disp2, "ESETROOT_PMAP_ID", True); - - if (prop_root != None && prop_esetroot != None) - { - XGetWindowProperty(disp2, root2, prop_root, 0L, 1L, False, - AnyPropertyType, &type, &format, &length, &after, - &data_root); - if (type == XA_PIXMAP) - { - XGetWindowProperty(disp2, root2, prop_esetroot, 0L, 1L, False, - AnyPropertyType, &type, &format, &length, - &after, &data_esetroot); - if (data_root && data_esetroot) - { - if (type == XA_PIXMAP - && *((Pixmap *) data_root) == *((Pixmap *) data_esetroot)) - { - XKillClient(disp2, *((Pixmap *) data_root)); - } - } - } - } - /* This will locate the property, creating it if it doesn't exist */ - prop_root = XInternAtom(disp2, "_XROOTPMAP_ID", False); - prop_esetroot = XInternAtom(disp2, "ESETROOT_PMAP_ID", False); - - if (prop_root == None || prop_esetroot == None) - weprintf("creation of pixmap property failed."); - - XChangeProperty(disp2, root2, prop_root, XA_PIXMAP, 32, PropModeReplace, - (unsigned char *) &pmap_d2, 1); - XChangeProperty(disp2, root2, prop_esetroot, XA_PIXMAP, 32, - PropModeReplace, (unsigned char *) &pmap_d2, 1); - - XSetWindowBackgroundPixmap(disp2, root2, pmap_d2); - XClearWindow(disp2, root2); - XFlush(disp2); - XSetCloseDownMode(disp2, RetainPermanent); - XCloseDisplay(disp2); - } - D_RETURN_(4); + if (opt.xinerama && xinerama_screens) { + w = xinerama_screens[xinerama_screen].width; + h = xinerama_screens[xinerama_screen].height; + } +#endif /* HAVE_LIBXINERAMA */ + + pmap_d1 = XCreatePixmap(disp, root, w, h, depth); + gcval.foreground = BlackPixel(disp, DefaultScreen(disp)); + gc = XCreateGC(disp, root, GCForeground, &gcval); + XFillRectangle(disp, pmap_d1, gc, 0, 0, w, h); + x = (w - gib_imlib_image_get_width(im)) >> 1; + y = (h - gib_imlib_image_get_height(im)) >> 1; + gib_imlib_render_image_on_drawable(pmap_d1, im, x, y, 1, 0, 0); + XFreeGC(disp, gc); + fehbg = estrjoin(" ", "feh --bg-center", filbuf, NULL); + } else { + w = gib_imlib_image_get_width(im); + h = gib_imlib_image_get_height(im); + pmap_d1 = XCreatePixmap(disp, root, w, h, depth); + gib_imlib_render_image_on_drawable(pmap_d1, im, 0, 0, 1, 0, 0); + fehbg = estrjoin(" ", "feh --bg-tile", filbuf, NULL); + } + + if (fehbg) { + home = getenv("HOME"); + if (home) { + FILE *fp; + char *path; + path = estrjoin("/", home, ".fehbg", NULL); + if ((fp = fopen(path, "w")) == NULL) { + weprintf("Can't open %s for write", path); + } else { + fprintf(fp, "%s\n", fehbg); + fclose(fp); + } + free(path); + } + free(fehbg); + } + + /* create new display, copy pixmap to new display */ + disp2 = XOpenDisplay(NULL); + if (!disp2) + eprintf("Can't reopen X display."); + root2 = RootWindow(disp2, DefaultScreen(disp2)); + depth2 = DefaultDepth(disp2, DefaultScreen(disp2)); + XSync(disp, False); + pmap_d2 = XCreatePixmap(disp2, root2, scr->width, scr->height, depth2); + gcvalues.fill_style = FillTiled; + gcvalues.tile = pmap_d1; + gc = XCreateGC(disp2, pmap_d2, GCFillStyle | GCTile, &gcvalues); + XFillRectangle(disp2, pmap_d2, gc, 0, 0, scr->width, scr->height); + XFreeGC(disp2, gc); + XSync(disp2, False); + XSync(disp, False); + XFreePixmap(disp, pmap_d1); + + prop_root = XInternAtom(disp2, "_XROOTPMAP_ID", True); + prop_esetroot = XInternAtom(disp2, "ESETROOT_PMAP_ID", True); + + if (prop_root != None && prop_esetroot != None) { + XGetWindowProperty(disp2, root2, prop_root, 0L, 1L, + False, AnyPropertyType, &type, &format, &length, &after, &data_root); + if (type == XA_PIXMAP) { + XGetWindowProperty(disp2, root2, + prop_esetroot, 0L, 1L, + False, AnyPropertyType, + &type, &format, &length, &after, &data_esetroot); + if (data_root && data_esetroot) { + if (type == XA_PIXMAP && *((Pixmap *) data_root) == *((Pixmap *) data_esetroot)) { + XKillClient(disp2, *((Pixmap *) + data_root)); + } + } + } + } + /* This will locate the property, creating it if it doesn't exist */ + prop_root = XInternAtom(disp2, "_XROOTPMAP_ID", False); + prop_esetroot = XInternAtom(disp2, "ESETROOT_PMAP_ID", False); + + if (prop_root == None || prop_esetroot == None) + weprintf("creation of pixmap property failed."); + + XChangeProperty(disp2, root2, prop_root, XA_PIXMAP, 32, PropModeReplace, (unsigned char *) &pmap_d2, 1); + XChangeProperty(disp2, root2, prop_esetroot, XA_PIXMAP, 32, + PropModeReplace, (unsigned char *) &pmap_d2, 1); + + XSetWindowBackgroundPixmap(disp2, root2, pmap_d2); + XClearWindow(disp2, root2); + XFlush(disp2); + XSetCloseDownMode(disp2, RetainPermanent); + XCloseDisplay(disp2); + } + D_RETURN_(4); } -signed char -feh_wm_get_wm_is_e(void) +signed char feh_wm_get_wm_is_e(void) { - static signed char e = -1; - - D_ENTER(4); - - /* check if E is actually running */ - if (e == -1) - { - /* XXX: This only covers E17 prior to 6/22/05 */ - if ((XInternAtom(disp, "ENLIGHTENMENT_COMMS", True) != None) && - (XInternAtom(disp, "ENLIGHTENMENT_VERSION", True) != None)) - { - D(3, ("Enlightenment detected.\n")); - e = 1; - } - else - { - D(3, ("Enlightenment not detected.\n")); - e = 0; - } - } - D_RETURN(4, e); + static signed char e = -1; + + D_ENTER(4); + + /* check if E is actually running */ + if (e == -1) { + /* XXX: This only covers E17 prior to 6/22/05 */ + if ((XInternAtom(disp, "ENLIGHTENMENT_COMMS", True) != None) + && (XInternAtom(disp, "ENLIGHTENMENT_VERSION", True) != None)) { + D(3, ("Enlightenment detected.\n")); + e = 1; + } else { + D(3, ("Enlightenment not detected.\n")); + e = 0; + } + } + D_RETURN(4, e); } -int -feh_wm_get_num_desks(void) +int feh_wm_get_num_desks(void) { - char *buf, *ptr; - int desks; + char *buf, *ptr; + int desks; - D_ENTER(4); + D_ENTER(4); - if (!feh_wm_get_wm_is_e()) - D_RETURN(4, -1); + if (!feh_wm_get_wm_is_e()) + D_RETURN(4, -1); - buf = enl_send_and_wait("num_desks ?"); - if (buf == IPC_FAKE) /* Fake E17 IPC */ - D_RETURN(4, -1); - D(3, ("Got from E IPC: %s\n", buf)); - ptr = buf; - while (ptr && !isdigit(*ptr)) - ptr++; - desks = atoi(ptr); + buf = enl_send_and_wait("num_desks ?"); + if (buf == IPC_FAKE) /* Fake E17 IPC */ + D_RETURN(4, -1); + D(3, ("Got from E IPC: %s\n", buf)); + ptr = buf; + while (ptr && !isdigit(*ptr)) + ptr++; + desks = atoi(ptr); D_RETURN(4, desks)} -Window -enl_ipc_get_win(void) +Window enl_ipc_get_win(void) { - unsigned char *str = NULL; - Atom prop, prop2, ever; - unsigned long num, after; - int format; - Window dummy_win; - int dummy_int; - unsigned int dummy_uint; - - D_ENTER(4); - - D(3, ("Searching for IPC window.\n")); - - /* - * Shortcircuit this entire func - * if we already know it's an e17 fake - */ - if (e17_fake_ipc) - D_RETURN(4, ipc_win) - - prop = XInternAtom(disp, "ENLIGHTENMENT_COMMS", True); - if (prop == None) - { - D(3, ("Enlightenment is not running.\n")); - D_RETURN(4, None); - } else { - /* XXX: This will only work with E17 prior to 6/22/2005 */ - ever = XInternAtom(disp, "ENLIGHTENMENT_VERSION", True); - if (ever == None) { - /* This is an E without ENLIGHTENMENT_VERSION */ - D(3, ("E16 IPC Protocol not supported")); - D_RETURN(4, None); - } - } - XGetWindowProperty(disp, root, prop, 0, 14, False, AnyPropertyType, &prop2, - &format, &num, &after, &str); - if (str) - { - sscanf((char *) str, "%*s %x", (unsigned int *) &ipc_win); - XFree(str); - } - if (ipc_win != None) - { - if (!XGetGeometry - (disp, ipc_win, &dummy_win, &dummy_int, &dummy_int, &dummy_uint, - &dummy_uint, &dummy_uint, &dummy_uint)) - { - D(3, - (" -> IPC Window property is valid, but the window doesn't exist.\n")); - ipc_win = None; - } - str = NULL; - if (ipc_win != None) - { - XGetWindowProperty(disp, ipc_win, prop, 0, 14, False, - AnyPropertyType, &prop2, &format, &num, &after, - &str); - if (str) - { - XFree(str); - } - else - { - D(3, - (" -> IPC Window lacks the proper atom. I can't talk to fake IPC windows....\n")); - ipc_win = None; - } - } - } - if (ipc_win != None) - { - - XGetWindowProperty(disp, ipc_win, ever, 0, 14, False, AnyPropertyType, - &prop2, &format, &num, &after, &str); - if (str) { - /* - * This is E17's way of telling us it's only pretending - * as a workaround for a bug related to the way java handles - * Window Managers. - * (Only valid after date of this comment) - * -- richlowe 2005-06-22 - */ - XFree(str); - D(3,(" -> Found a fake E17 IPC window, ignoring")); - ipc_win = None; - e17_fake_ipc = 1; - D_RETURN(4, ipc_win); - } - - D(3, - (" -> IPC Window found and verified as 0x%08x. Registering feh as an IPC client.\n", - (int) ipc_win)); - XSelectInput(disp, ipc_win, - StructureNotifyMask | SubstructureNotifyMask); - enl_ipc_send("set clientname " PACKAGE); - enl_ipc_send("set version " VERSION); - enl_ipc_send("set email tom@linuxbrit.co.uk"); - enl_ipc_send("set web http://www.linuxbrit.co.uk"); - enl_ipc_send("set info Feh - be pr0n or be dead"); - } - if (my_ipc_win == None) - { - my_ipc_win = XCreateSimpleWindow(disp, root, -2, -2, 1, 1, 0, 0, 0); - } - D_RETURN(4, ipc_win); + unsigned char *str = NULL; + Atom prop, prop2, ever; + unsigned long num, after; + int format; + Window dummy_win; + int dummy_int; + unsigned int dummy_uint; + + D_ENTER(4); + + D(3, ("Searching for IPC window.\n")); + + /* + * Shortcircuit this entire func + * if we already know it's an e17 fake + */ + if (e17_fake_ipc) + D_RETURN(4, ipc_win) + + prop = XInternAtom(disp, "ENLIGHTENMENT_COMMS", True); + if (prop == None) { + D(3, ("Enlightenment is not running.\n")); + D_RETURN(4, None); + } else { + /* XXX: This will only work with E17 prior to 6/22/2005 */ + ever = XInternAtom(disp, "ENLIGHTENMENT_VERSION", True); + if (ever == None) { + /* This is an E without ENLIGHTENMENT_VERSION */ + D(3, ("E16 IPC Protocol not supported")); + D_RETURN(4, None); + } + } + XGetWindowProperty(disp, root, prop, 0, 14, False, AnyPropertyType, &prop2, &format, &num, &after, &str); + if (str) { + sscanf((char *) str, "%*s %x", (unsigned int *) &ipc_win); + XFree(str); + } + if (ipc_win != None) { + if (!XGetGeometry + (disp, ipc_win, &dummy_win, &dummy_int, &dummy_int, + &dummy_uint, &dummy_uint, &dummy_uint, &dummy_uint)) { + D(3, (" -> IPC Window property is valid, but the window doesn't exist.\n")); + ipc_win = None; + } + str = NULL; + if (ipc_win != None) { + XGetWindowProperty(disp, ipc_win, prop, 0, 14, + False, AnyPropertyType, &prop2, &format, &num, &after, &str); + if (str) { + XFree(str); + } else { + D(3, (" -> IPC Window lacks the proper atom. I can't talk to fake IPC windows....\n")); + ipc_win = None; + } + } + } + if (ipc_win != None) { + + XGetWindowProperty(disp, ipc_win, ever, 0, 14, False, + AnyPropertyType, &prop2, &format, &num, &after, &str); + if (str) { + /* + * This is E17's way of telling us it's only pretending + * as a workaround for a bug related to the way java handles + * Window Managers. + * (Only valid after date of this comment) + * -- richlowe 2005-06-22 + */ + XFree(str); + D(3, (" -> Found a fake E17 IPC window, ignoring")); + ipc_win = None; + e17_fake_ipc = 1; + D_RETURN(4, ipc_win); + } + + D(3, + (" -> IPC Window found and verified as 0x%08x. Registering feh as an IPC client.\n", (int) ipc_win)); + XSelectInput(disp, ipc_win, StructureNotifyMask | SubstructureNotifyMask); + enl_ipc_send("set clientname " PACKAGE); + enl_ipc_send("set version " VERSION); + enl_ipc_send("set email tom@linuxbrit.co.uk"); + enl_ipc_send("set web http://www.linuxbrit.co.uk"); + enl_ipc_send("set info Feh - be pr0n or be dead"); + } + if (my_ipc_win == None) { + my_ipc_win = XCreateSimpleWindow(disp, root, -2, -2, 1, 1, 0, 0, 0); + } + D_RETURN(4, ipc_win); } -void -enl_ipc_send(char *str) +void enl_ipc_send(char *str) { - static char *last_msg = NULL; - char buff[21]; - register unsigned short i; - register unsigned char j; - unsigned short len; - XEvent ev; - - D_ENTER(4); - if (str == NULL) - { - if (last_msg == NULL) - eprintf("eeek"); - str = last_msg; - D(4, ("Resending last message \"%s\" to Enlightenment.\n", str)); - } - else - { - if (last_msg != NULL) - { - free(last_msg); - } - last_msg = estrdup(str); - D(4, ("Sending \"%s\" to Enlightenment.\n", str)); - } - if (ipc_win == None) - { - if ((ipc_win = enl_ipc_get_win()) == None) - { - D(3, - ("Hrm. Enlightenment doesn't seem to be running. No IPC window, no IPC.\n")); - D_RETURN_(4); - } - } - len = strlen(str); - ipc_atom = XInternAtom(disp, "ENL_MSG", False); - if (ipc_atom == None) - { - D(3, ("IPC error: Unable to find/create ENL_MSG atom.\n")); - D_RETURN_(4); - } - for (; XCheckTypedWindowEvent(disp, my_ipc_win, ClientMessage, &ev);); /* Discard any out-of-sync messages */ - ev.xclient.type = ClientMessage; - ev.xclient.serial = 0; - ev.xclient.send_event = True; - ev.xclient.window = ipc_win; - ev.xclient.message_type = ipc_atom; - ev.xclient.format = 8; - - for (i = 0; i < len + 1; i += 12) - { - sprintf(buff, "%8x", (int) my_ipc_win); - for (j = 0; j < 12; j++) - { - buff[8 + j] = str[i + j]; - if (!str[i + j]) - { - break; - } - } - buff[20] = 0; - for (j = 0; j < 20; j++) - { - ev.xclient.data.b[j] = buff[j]; - } - XSendEvent(disp, ipc_win, False, 0, (XEvent *) & ev); - } - D_RETURN_(4); + static char *last_msg = NULL; + char buff[21]; + register unsigned short i; + register unsigned char j; + unsigned short len; + XEvent ev; + + D_ENTER(4); + if (str == NULL) { + if (last_msg == NULL) + eprintf("eeek"); + str = last_msg; + D(4, ("Resending last message \"%s\" to Enlightenment.\n", str)); + } else { + if (last_msg != NULL) { + free(last_msg); + } + last_msg = estrdup(str); + D(4, ("Sending \"%s\" to Enlightenment.\n", str)); + } + if (ipc_win == None) { + if ((ipc_win = enl_ipc_get_win()) == None) { + D(3, ("Hrm. Enlightenment doesn't seem to be running. No IPC window, no IPC.\n")); + D_RETURN_(4); + } + } + len = strlen(str); + ipc_atom = XInternAtom(disp, "ENL_MSG", False); + if (ipc_atom == None) { + D(3, ("IPC error: Unable to find/create ENL_MSG atom.\n")); + D_RETURN_(4); + } + for (; XCheckTypedWindowEvent(disp, my_ipc_win, ClientMessage, &ev);); /* Discard any out-of-sync messages */ + ev.xclient.type = ClientMessage; + ev.xclient.serial = 0; + ev.xclient.send_event = True; + ev.xclient.window = ipc_win; + ev.xclient.message_type = ipc_atom; + ev.xclient.format = 8; + + for (i = 0; i < len + 1; i += 12) { + sprintf(buff, "%8x", (int) my_ipc_win); + for (j = 0; j < 12; j++) { + buff[8 + j] = str[i + j]; + if (!str[i + j]) { + break; + } + } + buff[20] = 0; + for (j = 0; j < 20; j++) { + ev.xclient.data.b[j] = buff[j]; + } + XSendEvent(disp, ipc_win, False, 0, (XEvent *) & ev); + } + D_RETURN_(4); } -static sighandler_t * -enl_ipc_timeout(int sig) +static sighandler_t *enl_ipc_timeout(int sig) { - timeout = 1; - D_RETURN(4, (sighandler_t *) sig); - sig = 0; + timeout = 1; + D_RETURN(4, (sighandler_t *) sig); + sig = 0; } -char * -enl_wait_for_reply(void) +char *enl_wait_for_reply(void) { - XEvent ev; - static char msg_buffer[20]; - register unsigned char i; - - D_ENTER(4); - - alarm(2); - for (; - !XCheckTypedWindowEvent(disp, my_ipc_win, ClientMessage, &ev) - && !timeout;); - alarm(0); - if (ev.xany.type != ClientMessage) - { - D_RETURN(4, IPC_TIMEOUT); - } - for (i = 0; i < 20; i++) - { - msg_buffer[i] = ev.xclient.data.b[i]; - } - D_RETURN(4, msg_buffer + 8); + XEvent ev; + static char msg_buffer[20]; + register unsigned char i; + + D_ENTER(4); + + alarm(2); + for (; !XCheckTypedWindowEvent(disp, my_ipc_win, ClientMessage, &ev) + && !timeout;); + alarm(0); + if (ev.xany.type != ClientMessage) { + D_RETURN(4, IPC_TIMEOUT); + } + for (i = 0; i < 20; i++) { + msg_buffer[i] = ev.xclient.data.b[i]; + } + D_RETURN(4, msg_buffer + 8); } -char * -enl_ipc_get(const char *msg_data) +char *enl_ipc_get(const char *msg_data) { - static char *message = NULL; - static unsigned short len = 0; - char buff[13], *ret_msg = NULL; - register unsigned char i; - unsigned char blen; - - D_ENTER(4); - - if (msg_data == IPC_TIMEOUT) - { - D_RETURN(4, IPC_TIMEOUT); - } - for (i = 0; i < 12; i++) - { - buff[i] = msg_data[i]; - } - buff[12] = 0; - blen = strlen(buff); - if (message != NULL) - { - len += blen; - message = (char *) erealloc(message, len + 1); - strcat(message, buff); - } - else - { - len = blen; - message = (char *) emalloc(len + 1); - strcpy(message, buff); - } - if (blen < 12) - { - ret_msg = message; - message = NULL; - D(4, ("Received complete reply: \"%s\"\n", ret_msg)); - } - D_RETURN(4, ret_msg); + static char *message = NULL; + static unsigned short len = 0; + char buff[13], *ret_msg = NULL; + register unsigned char i; + unsigned char blen; + + D_ENTER(4); + + if (msg_data == IPC_TIMEOUT) { + D_RETURN(4, IPC_TIMEOUT); + } + for (i = 0; i < 12; i++) { + buff[i] = msg_data[i]; + } + buff[12] = 0; + blen = strlen(buff); + if (message != NULL) { + len += blen; + message = (char *) erealloc(message, len + 1); + strcat(message, buff); + } else { + len = blen; + message = (char *) emalloc(len + 1); + strcpy(message, buff); + } + if (blen < 12) { + ret_msg = message; + message = NULL; + D(4, ("Received complete reply: \"%s\"\n", ret_msg)); + } + D_RETURN(4, ret_msg); } -char * -enl_send_and_wait(char *msg) +char *enl_send_and_wait(char *msg) { - char *reply = IPC_TIMEOUT; - sighandler_t old_alrm; - - D_ENTER(4); - - /* - * Shortcut this func and return IPC_FAKE - * If the IPC Window is the E17 fake - */ - if (e17_fake_ipc) - return IPC_FAKE; - - if (ipc_win == None) - { - /* The IPC window is missing. Wait for it to return or feh to be killed. */ - /* Only called once in the E17 case */ - for (; enl_ipc_get_win() == None;) - { - if (e17_fake_ipc) - return IPC_FAKE; - else - sleep(1); - } - } - old_alrm = (sighandler_t) signal(SIGALRM, (sighandler_t) enl_ipc_timeout); - for (; reply == IPC_TIMEOUT;) - { - timeout = 0; - enl_ipc_send(msg); - for (; !(reply = enl_ipc_get(enl_wait_for_reply()));); - if (reply == IPC_TIMEOUT) - { - /* We timed out. The IPC window must be AWOL. Reset and resend message. */ - D(3, ("IPC timed out. IPC window has gone. Clearing ipc_win.\n")); - XSelectInput(disp, ipc_win, None); - ipc_win = None; - } - } - signal(SIGALRM, old_alrm); - D_RETURN(4, reply); + char *reply = IPC_TIMEOUT; + sighandler_t old_alrm; + + D_ENTER(4); + + /* + * Shortcut this func and return IPC_FAKE + * If the IPC Window is the E17 fake + */ + if (e17_fake_ipc) + return IPC_FAKE; + + if (ipc_win == None) { + /* The IPC window is missing. Wait for it to return or feh to be killed. */ + /* Only called once in the E17 case */ + for (; enl_ipc_get_win() == None;) { + if (e17_fake_ipc) + return IPC_FAKE; + else + sleep(1); + } + } + old_alrm = (sighandler_t) signal(SIGALRM, (sighandler_t) enl_ipc_timeout); + for (; reply == IPC_TIMEOUT;) { + timeout = 0; + enl_ipc_send(msg); + for (; !(reply = enl_ipc_get(enl_wait_for_reply()));); + if (reply == IPC_TIMEOUT) { + /* We timed out. The IPC window must be AWOL. Reset and resend message. */ + D(3, ("IPC timed out. IPC window has gone. Clearing ipc_win.\n")); + XSelectInput(disp, ipc_win, None); + ipc_win = None; + } + } + signal(SIGALRM, old_alrm); + D_RETURN(4, reply); } |