/* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*- * vim: ts=4 sw=4 noet ai cindent syntax=c * * Conky, a system monitor, based on torsmo * * Any original torsmo code is licensed under the BSD license * * All code written since the fork of torsmo is licensed under the GPL * * Please see COPYING for details * * Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al. * (see AUTHORS) * All rights reserved. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program. If not, see . * */ #include "config.h" #include "text_object.h" #include "conky.h" #include "common.h" #include "timed_thread.h" #include #include #include #include #include #include #include #if HAVE_DIRENT_H #include #endif #include #include #ifdef HAVE_SYS_INOTIFY_H #include #endif /* HAVE_SYS_INOTIFY_H */ #ifdef X11 #include "x11.h" #include #ifdef HAVE_XDAMAGE #include #endif #ifdef IMLIB2 #include "imlib2.h" #endif /* IMLIB2 */ #endif /* X11 */ #include #include #include #include #include #include #ifdef NCURSES #include #endif #ifdef XOAP #include #endif /* XOAP */ /* local headers */ #include "core.h" #include "algebra.h" #include "build.h" #include "colours.h" #include "combine.h" #include "diskio.h" #include "exec.h" #include "proc.h" #include "user.h" #ifdef X11 #include "fonts.h" #endif #include "fs.h" #ifdef HAVE_ICONV #include "iconv_tools.h" #endif #include "logging.h" #include "mixer.h" #include "mail.h" #include "mboxscan.h" #include "net_stat.h" #ifdef NVIDIA #include "nvidia.h" #endif #include "read_tcp.h" #include "scroll.h" #include "specials.h" #include "temphelper.h" #include "template.h" #include "tailhead.h" #include "timeinfo.h" #include "top.h" /* check for OS and include appropriate headers */ #if defined(__linux__) #include "linux.h" #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) #include "freebsd.h" #elif defined(__OpenBSD__) #include "openbsd.h" #endif #if defined(__FreeBSD_kernel__) #include #endif /* FIXME: apm_getinfo is unused here. maybe it's meant for common.c */ #if (defined(__FreeBSD__) || defined(__FreeBSD_kernel__) \ || defined(__OpenBSD__)) && (defined(i386) || defined(__i386__)) int apm_getinfo(int fd, apm_info_t aip); char *get_apm_adapter(void); char *get_apm_battery_life(void); char *get_apm_battery_time(void); #endif #ifdef CONFIG_OUTPUT #include "defconfig.h" #include "conf_cookie.h" #endif #ifndef S_ISSOCK #define S_ISSOCK(x) ((x & S_IFMT) == S_IFSOCK) #endif #define MAIL_FILE "$MAIL" #define MAX_IF_BLOCK_DEPTH 5 //#define SIGNAL_BLOCKING #undef SIGNAL_BLOCKING /* debugging level, used by logging.h */ int global_debug_level = 0; /* two strings for internal use */ static char *tmpstring1, *tmpstring2; /* variables holding various config settings */ int short_units; int format_human_readable; int cpu_separate; enum { NO_SPACER = 0, LEFT_SPACER, RIGHT_SPACER } use_spacer; int top_cpu, top_mem, top_time; #ifdef IOSTATS int top_io; #endif #ifdef __linux__ int top_running; #endif int output_methods; static int extra_newline; enum x_initialiser_state x_initialised = NO; static volatile int g_signal_pending; /* Update interval */ double update_interval; double update_interval_old; double update_interval_bat; void *global_cpu = NULL; unsigned int max_text_width = 0; int argc_copy; char** argv_copy; /* prototypes for internally used functions */ static void signal_handler(int); static void print_version(void) __attribute__((noreturn)); static void reload_config(void); static void print_version(void) { printf(PACKAGE_NAME" "VERSION" compiled "BUILD_DATE" for "BUILD_ARCH"\n"); printf("\nCompiled in features:\n\n" "System config file: "SYSTEM_CONFIG_FILE"\n" "Package library path: "PACKAGE_LIBDIR"\n\n" #ifdef X11 " X11:\n" # ifdef HAVE_XDAMAGE " * Xdamage extension\n" # endif /* HAVE_XDAMAGE */ # ifdef HAVE_XDBE " * XDBE (double buffer extension)\n" # endif /* HAVE_XDBE */ # ifdef XFT " * Xft\n" # endif /* XFT */ #endif /* X11 */ "\n Music detection:\n" #ifdef AUDACIOUS " * Audacious\n" #endif /* AUDACIOUS */ #ifdef BMPX " * BMPx\n" #endif /* BMPX */ #ifdef MPD " * MPD\n" #endif /* MPD */ #ifdef MOC " * MOC\n" #endif /* MOC */ #ifdef XMMS2 " * XMMS2\n" #endif /* XMMS2 */ "\n General:\n" #ifdef HAVE_OPENMP " * OpenMP\n" #endif /* HAVE_OPENMP */ #ifdef MATH " * math\n" #endif /* Math */ #ifdef HDDTEMP " * hddtemp\n" #endif /* HDDTEMP */ #ifdef TCP_PORT_MONITOR " * portmon\n" #endif /* TCP_PORT_MONITOR */ #ifdef HAVE_CURL " * Curl\n" #endif /* HAVE_CURL */ #ifdef RSS " * RSS\n" #endif /* RSS */ #ifdef WEATHER " * Weather (METAR)\n" #ifdef XOAP " * Weather (XOAP)\n" #endif /* XOAP */ #endif /* WEATHER */ #ifdef HAVE_IWLIB " * wireless\n" #endif /* HAVE_IWLIB */ #ifdef IBM " * support for IBM/Lenovo notebooks\n" #endif /* IBM */ #ifdef NVIDIA " * nvidia\n" #endif /* NVIDIA */ #ifdef EVE " * eve-online\n" #endif /* EVE */ #ifdef CONFIG_OUTPUT " * config-output\n" #endif /* CONFIG_OUTPUT */ #ifdef IMLIB2 " * Imlib2\n" #endif /* IMLIB2 */ #ifdef MIXER_IS_ALSA " * ALSA mixer support\n" #endif /* MIXER_IS_ALSA */ #ifdef APCUPSD " * apcupsd\n" #endif /* APCUPSD */ #ifdef IOSTATS " * iostats\n" #endif /* IOSTATS */ #ifdef NCURSES " * ncurses\n" #endif /* NCURSES */ #ifdef HAVE_LUA " * Lua\n" "\n Lua bindings:\n" #ifdef HAVE_LUA_CAIRO " * Cairo\n" #endif /* HAVE_LUA_CAIRO */ #ifdef HAVE_LUA_IMLIB2 " * Imlib2\n" #endif /* IMLIB2 */ #endif /* HAVE_LUA */ ); exit(EXIT_SUCCESS); } static const char *suffixes[] = { "B", "KiB", "MiB", "GiB", "TiB", "PiB", "" }; #ifdef X11 static void X11_create_window(void); static void X11_initialisation(void); struct _x11_stuff_s { Region region; #ifdef HAVE_XDAMAGE Damage damage; XserverRegion region2, part; int event_base, error_base; #endif } x11_stuff; /* text size */ static int text_start_x, text_start_y; /* text start position in window */ static int text_width, text_height; /* alignments */ enum alignment { TOP_LEFT = 1, TOP_RIGHT, TOP_MIDDLE, BOTTOM_LEFT, BOTTOM_RIGHT, BOTTOM_MIDDLE, MIDDLE_LEFT, MIDDLE_MIDDLE, MIDDLE_RIGHT, NONE }; /* display to connect to */ static char *disp = NULL; #endif /* X11 */ /* struct that has all info to be shared between * instances of the same text object */ struct information info; /* path to config file */ char *current_config; /* set to 1 if you want all text to be in uppercase */ static unsigned int stuff_in_uppercase; /* Run how many times? */ static unsigned long total_run_times; /* fork? */ static int fork_to_background; static int cpu_avg_samples, net_avg_samples, diskio_avg_samples; /* filenames for output */ char *overwrite_file = NULL; FILE *overwrite_fpointer = NULL; char *append_file = NULL; FILE *append_fpointer = NULL; #ifdef X11 static int show_graph_scale; static int show_graph_range; /* Position on the screen */ static int text_alignment; static int gap_x, gap_y; /* border */ static int draw_borders; static int draw_graph_borders; static int stippled_borders; int get_stippled_borders(void) { return stippled_borders; } static int draw_shades, draw_outline; long default_fg_color, default_bg_color, default_out_color; /* create own window or draw stuff to root? */ static int set_transparent = 0; #ifdef OWN_WINDOW static int own_window = 0; static int background_colour = 0; /* fixed size/pos is set if wm/user changes them */ static int fixed_size = 0, fixed_pos = 0; #endif static int minimum_width, minimum_height; static int maximum_width; #endif /* X11 */ #ifdef __OpenBSD__ static int sensor_device; #endif long color0, color1, color2, color3, color4, color5, color6, color7, color8, color9; /* maximum size of config TEXT buffer, i.e. below TEXT line. */ unsigned int max_user_text; /* maximum size of individual text buffers, ie $exec buffer size */ unsigned int text_buffer_size = DEFAULT_TEXT_BUFFER_SIZE; /* UTF-8 */ int utf8_mode = 0; /* no buffers in used memory? */ int no_buffers; /* pad percentages to decimals? */ static int pad_percents = 0; static char *global_text = 0; char *get_global_text(void) { return global_text; } long global_text_lines; static int total_updates; static int updatereset; void set_updatereset(int i) { updatereset = i; } int get_updatereset(void) { return updatereset; } int check_contains(char *f, char *s) { int ret = 0; FILE *where = open_file(f, 0); if (where) { char buf1[256]; while (fgets(buf1, 256, where)) { if (strstr(buf1, s)) { ret = 1; break; } } fclose(where); } else { NORM_ERR("Could not open the file"); } return ret; } #define SECRIT_MULTILINE_CHAR '\x02' static inline int calc_text_width(const char *s) { size_t slen = strlen(s); #ifdef X11 if ((output_methods & TO_X) == 0) { #endif /* X11 */ return slen; #ifdef X11 } #ifdef XFT if (use_xft) { XGlyphInfo gi; if (utf8_mode) { XftTextExtentsUtf8(display, fonts[selected_font].xftfont, (const FcChar8 *) s, slen, &gi); } else { XftTextExtents8(display, fonts[selected_font].xftfont, (const FcChar8 *) s, slen, &gi); } return gi.xOff; } else #endif { return XTextWidth(fonts[selected_font].font, s, slen); } #endif /* X11 */ } /* formatted text to render on screen, generated in generate_text(), * drawn in draw_stuff() */ static char *text_buffer; /* quite boring functions */ static inline void for_each_line(char *b, int f(char *, int)) { char *ps, *pe; int special_index = 0; /* specials index */ for (ps = b, pe = b; *pe; pe++) { if (*pe == '\n') { *pe = '\0'; special_index = f(ps, special_index); *pe = '\n'; ps = pe + 1; } } if (ps < pe) { f(ps, special_index); } } static void convert_escapes(char *buf) { char *p = buf, *s = buf; while (*s) { if (*s == '\\') { s++; if (*s == 'n') { *p++ = '\n'; } else if (*s == '\\') { *p++ = '\\'; } s++; } else { *p++ = *s++; } } *p = '\0'; } /* Prints anything normally printed with snprintf according to the current value * of use_spacer. Actually slightly more flexible than snprintf, as you can * safely specify the destination buffer as one of your inputs. */ int spaced_print(char *buf, int size, const char *format, int width, ...) { int len = 0; va_list argp; char *tempbuf; if (size < 1) { return 0; } tempbuf = malloc(size * sizeof(char)); // Passes the varargs along to vsnprintf va_start(argp, width); vsnprintf(tempbuf, size, format, argp); va_end(argp); switch (use_spacer) { case NO_SPACER: len = snprintf(buf, size, "%s", tempbuf); break; case LEFT_SPACER: len = snprintf(buf, size, "%*s", width, tempbuf); break; case RIGHT_SPACER: len = snprintf(buf, size, "%-*s", width, tempbuf); break; } free(tempbuf); return len; } /* print percentage values * * - i.e., unsigned values between 0 and 100 * - respect the value of pad_percents */ int percent_print(char *buf, int size, unsigned value) { return spaced_print(buf, size, "%u", pad_percents, value); } /* converts from bytes to human readable format (K, M, G, T) * * The algorithm always divides by 1024, as unit-conversion of byte * counts suggests. But for output length determination we need to * compare with 1000 here, as we print in decimal form. */ void human_readable(long long num, char *buf, int size) { const char **suffix = suffixes; float fnum; int precision; int width; const char *format; /* Possibly just output as usual, for example for stdout usage */ if (!format_human_readable) { spaced_print(buf, size, "%d", 6, round_to_int(num)); return; } if (short_units) { width = 5; format = "%.*f%.1s"; } else { width = 7; format = "%.*f%-3s"; } if (llabs(num) < 1000LL) { spaced_print(buf, size, format, width, 0, (float)num, *suffix); return; } while (llabs(num / 1024) >= 1000LL && **(suffix + 2)) { num /= 1024; suffix++; } suffix++; fnum = num / 1024.0; /* fnum should now be < 1000, so looks like 'AAA.BBBBB' * * The goal is to always have a significance of 3, by * adjusting the decimal part of the number. Sample output: * 123MiB * 23.4GiB * 5.12B * so the point of alignment resides between number and unit. The * upside of this is that there is minimal padding necessary, though * there should be a way to make alignment take place at the decimal * dot (then with fixed width decimal part). * * Note the repdigits below: when given a precision value, printf() * rounds the float to it, not just cuts off the remaining digits. So * e.g. 99.95 with a precision of 1 gets 100.0, which again should be * printed with a precision of 0. Yay. */ precision = 0; /* print 100-999 without decimal part */ if (fnum < 99.95) precision = 1; /* print 10-99 with one decimal place */ if (fnum < 9.995) precision = 2; /* print 0-9 with two decimal places */ spaced_print(buf, size, format, width, precision, fnum, *suffix); } /* global object list root element */ static struct text_object global_root_object; static long current_text_color; void set_current_text_color(long colour) { current_text_color = colour; } long get_current_text_color(void) { return current_text_color; } //adds newstring to to the tree unless you can already see it when travelling back. //if it's possible to attach it then it returns a pointer to the leaf, else it returns NULL struct conftree* conftree_add(struct conftree* previous, const char* newstring) { struct conftree* node; struct conftree* node2; for(node = previous; node != NULL; node = node->back) { if(strcmp(node->string, newstring) == 0) { return NULL; } } node = malloc(sizeof(struct conftree)); if (previous != NULL) { if(previous->vert_next == NULL) { previous->vert_next = node; } else { for(node2 = previous->vert_next; node2->horz_next != NULL; node2 = node2->horz_next ) { } node2->horz_next = node; } } node->string = strdup(newstring); node->horz_next = NULL; node->vert_next = NULL; node->back = previous; return node; } void conftree_empty(struct conftree* tree) { if(tree) { conftree_empty(tree->horz_next); conftree_empty(tree->vert_next); free(tree->string); free(tree); } } struct conftree *currentconffile; static void extract_variable_text(const char *p) { free_text_objects(&global_root_object, 0); if (tmpstring1) { free(tmpstring1); tmpstring1 = 0; } if (tmpstring2) { free(tmpstring2); tmpstring2 = 0; } if (text_buffer) { free(text_buffer); text_buffer = 0; } extract_variable_text_internal(&global_root_object, p); } void parse_conky_vars(struct text_object *root, const char *txt, char *p, int p_max_size, struct information *cur) { extract_variable_text_internal(root, txt); generate_text_internal(p, p_max_size, *root, cur); } /* substitutes all occurrences of '\n' with SECRIT_MULTILINE_CHAR, which allows * multiline objects like $exec work with $align[rc] and friends */ void substitute_newlines(char *p, long l) { char *s = p; if (l < 0) return; while (p && *p && p < s + l) { if (*p == '\n') { /* only substitute if it's not the last newline */ *p = SECRIT_MULTILINE_CHAR; } p++; } } void generate_text_internal(char *p, int p_max_size, struct text_object root, struct information *cur) { struct text_object *obj; #ifdef X11 int need_to_load_fonts = 0; #endif /* X11 */ /* for the OBJ_top* handler */ struct process **needed = 0; #ifdef HAVE_ICONV char buff_in[p_max_size]; buff_in[0] = 0; #endif /* HAVE_ICONV */ p[0] = 0; obj = root.next; while (obj && p_max_size > 0) { needed = 0; /* reset for top stuff */ /* IFBLOCK jumping algorithm * * This is easier as it looks like: * - each IF checks it's condition * - on FALSE: call DO_JUMP * - on TRUE: don't care * - each ELSE calls DO_JUMP unconditionally * - each ENDIF is silently being ignored * * Why this works: * DO_JUMP overwrites the "obj" variable of the loop and sets it to the target * (i.e. the corresponding ELSE or ENDIF). After that, processing for the given * object can continue, free()ing stuff e.g., then the for-loop does the rest: as * regularly, "obj" is being updated to point to obj->next, so object parsing * continues right after the corresponding ELSE or ENDIF. This means that if we * find an ELSE, it's corresponding IF must not have jumped, so we need to jump * always. If we encounter an ENDIF, it's corresponding IF or ELSE has not * jumped, and there is nothing to do. */ #define DO_JUMP { \ DBGP2("jumping"); \ if (obj->ifblock_next) \ obj = obj->ifblock_next; \ } /* if a print callback exists, use it and jump over the switch() */ if (obj->callbacks.print) { (*obj->callbacks.print)(obj, p, p_max_size); goto obj_loop_tail; } if (obj->callbacks.iftest) { if (!(*obj->callbacks.iftest)(obj)) DO_JUMP; goto obj_loop_tail; } if (obj->callbacks.barval) { new_bar(obj, p, p_max_size, (*obj->callbacks.barval)(obj)); goto obj_loop_tail; } if (obj->callbacks.gaugeval) { new_gauge(obj, p, p_max_size, (*obj->callbacks.gaugeval)(obj)); goto obj_loop_tail; } if (obj->callbacks.graphval) { new_graph(obj, p, p_max_size, (*obj->callbacks.graphval)(obj)); goto obj_loop_tail; } if (obj->callbacks.percentage) { percent_print(p, p_max_size, (*obj->callbacks.percentage)(obj)); goto obj_loop_tail; } #define OBJ(a) break; case OBJ_##a: switch (obj->type) { default: NORM_ERR("not implemented obj type %d", obj->type); #ifndef __OpenBSD__ OBJ(acpitemp) { temp_print(p, p_max_size, get_acpi_temperature(obj->data.i), TEMP_CELSIUS); } #endif /* !__OpenBSD__ */ OBJ(freq) { static int ok = 1; if (ok) { ok = get_freq(p, p_max_size, "%.0f", 1, obj->data.i); } } OBJ(freq_g) { static int ok = 1; if (ok) { #ifndef __OpenBSD__ ok = get_freq(p, p_max_size, "%'.2f", 1000, obj->data.i); #else /* OpenBSD has no such flag (SUSv2) */ ok = get_freq(p, p_max_size, "%.2f", 1000, obj->data.i); #endif /* __OpenBSD */ } } #ifndef __OpenBSD__ OBJ(acpifan) { get_acpi_fan(p, p_max_size); } OBJ(acpiacadapter) { get_acpi_ac_adapter(p, p_max_size); } OBJ(battery) { get_battery_stuff(p, p_max_size, obj->data.s, BATTERY_STATUS); } OBJ(battery_time) { get_battery_stuff(p, p_max_size, obj->data.s, BATTERY_TIME); } OBJ(battery_percent) { percent_print(p, p_max_size, get_battery_perct(obj->data.s)); } OBJ(battery_short) { get_battery_short_status(p, p_max_size, obj->data.s); } #endif /* __OpenBSD__ */ OBJ(buffers) { human_readable(cur->buffers * 1024, p, 255); } OBJ(cached) { human_readable(cur->cached * 1024, p, 255); } OBJ(cmdline_to_pid) { print_cmdline_to_pid(obj, p, p_max_size); } #ifdef X11 OBJ(font) { new_font(p, obj->data.s); need_to_load_fonts = 1; } #endif /* X11 */ OBJ(else) { /* Since we see you, you're if has not jumped. * Do Ninja jump here: without leaving traces. * This is to prevent us from stale jumped flags. */ obj = obj->ifblock_next; continue; } OBJ(endif) { /* harmless object, just ignore */ } #if defined(IMLIB2) && defined(X11) OBJ(image) { /* doesn't actually draw anything, just queues it omp. the * image will get drawn after the X event loop */ cimlib_add_image(obj->data.s); } #endif /* IMLIB2 */ OBJ(eval) { evaluate(obj->data.s, p, p_max_size); } OBJ(if_empty) { char buf[max_user_text]; struct information *tmp_info = malloc(sizeof(struct information)); memcpy(tmp_info, cur, sizeof(struct information)); generate_text_internal(buf, max_user_text, *obj->sub, tmp_info); if (strlen(buf) != 0) { DO_JUMP; } free(tmp_info); } OBJ(if_match) { char expression[max_user_text]; int val; struct information *tmp_info; tmp_info = malloc(sizeof(struct information)); memcpy(tmp_info, cur, sizeof(struct information)); generate_text_internal(expression, max_user_text, *obj->sub, tmp_info); DBGP("parsed arg into '%s'", expression); val = compare(expression); if (val == -2) { NORM_ERR("compare failed for expression '%s'", expression); } else if (!val) { DO_JUMP; } free(tmp_info); } OBJ(if_existing) { char *spc; spc = strchr(obj->data.s, ' '); if (!spc && access(obj->data.s, F_OK)) { DO_JUMP; } else if (spc) { *spc = '\0'; if (check_contains(obj->data.s, spc + 1)) DO_JUMP; *spc = ' '; } } OBJ(if_running) { #ifdef __linux__ if (!get_process_by_name(obj->data.s)) { #else if ((obj->data.s) && system(obj->data.s)) { #endif DO_JUMP; } } OBJ(pid_chroot) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_chroot(obj, p, p_max_size); } OBJ(pid_cmdline) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_cmdline(obj, p, p_max_size); } OBJ(pid_cwd) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_cwd(obj, p, p_max_size); } OBJ(pid_environ) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_environ(obj, p, p_max_size); } OBJ(pid_environ_list) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_environ_list(obj, p, p_max_size); } OBJ(pid_exe) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_exe(obj, p, p_max_size); } OBJ(pid_nice) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_nice(obj, p, p_max_size); } OBJ(pid_openfiles) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_openfiles(obj, p, p_max_size); } OBJ(pid_parent) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_parent(obj, p, p_max_size); } OBJ(pid_priority) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_priority(obj, p, p_max_size); } OBJ(pid_state) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_state(obj, p, p_max_size); } OBJ(pid_state_short) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_state_short(obj, p, p_max_size); } OBJ(pid_stderr) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_stderr(obj, p, p_max_size); } OBJ(pid_stdin) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_stdin(obj, p, p_max_size); } OBJ(pid_stdout) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_stdout(obj, p, p_max_size); } OBJ(pid_threads) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_threads(obj, p, p_max_size); } OBJ(pid_thread_list) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_thread_list(obj, p, p_max_size); } OBJ(pid_time_kernelmode) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_time_kernelmode(obj, p, p_max_size); } OBJ(pid_time_usermode) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_time_usermode(obj, p, p_max_size); } OBJ(pid_time) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_time(obj, p, p_max_size); } OBJ(pid_uid) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_uid(obj, p, p_max_size); } OBJ(pid_euid) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_euid(obj, p, p_max_size); } OBJ(pid_suid) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_suid(obj, p, p_max_size); } OBJ(pid_fsuid) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_fsuid(obj, p, p_max_size); } OBJ(pid_gid) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_gid(obj, p, p_max_size); } OBJ(pid_egid) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_egid(obj, p, p_max_size); } OBJ(pid_sgid) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_sgid(obj, p, p_max_size); } OBJ(pid_fsgid) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_fsgid(obj, p, p_max_size); } OBJ(pid_read) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_read(obj, p, p_max_size); } OBJ(pid_vmpeak) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_vmpeak(obj, p, p_max_size); } OBJ(pid_vmsize) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_vmsize(obj, p, p_max_size); } OBJ(pid_vmlck) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_vmlck(obj, p, p_max_size); } OBJ(pid_vmhwm) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_vmhwm(obj, p, p_max_size); } OBJ(pid_vmrss) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_vmrss(obj, p, p_max_size); } OBJ(pid_vmdata) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_vmdata(obj, p, p_max_size); } OBJ(pid_vmstk) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_vmstk(obj, p, p_max_size); } OBJ(pid_vmexe) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_vmexe(obj, p, p_max_size); } OBJ(pid_vmlib) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_vmlib(obj, p, p_max_size); } OBJ(pid_vmpte) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_vmpte(obj, p, p_max_size); } OBJ(pid_write) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_pid_write(obj, p, p_max_size); } OBJ(processes) { spaced_print(p, p_max_size, "%hu", 4, cur->procs); } OBJ(running_processes) { spaced_print(p, p_max_size, "%hu", 4, cur->run_procs); } OBJ(running_threads) { spaced_print(p, p_max_size, "%hu", 4, cur->run_threads); } OBJ(threads) { spaced_print(p, p_max_size, "%hu", 4, cur->threads); } OBJ(text) { snprintf(p, p_max_size, "%s", obj->data.s); } OBJ(sysname) { snprintf(p, p_max_size, "%s", cur->uname_s.sysname); } OBJ(gid_name) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_gid_name(obj, p, p_max_size); } OBJ(uid_name) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); obj->data.s = buf; print_uid_name(obj, p, p_max_size); } OBJ(updates) { snprintf(p, p_max_size, "%d", total_updates); } OBJ(if_updatenr) { if(total_updates % updatereset != obj->data.i - 1) { DO_JUMP; } } OBJ(uptime_short) { format_seconds_short(p, p_max_size, (int) cur->uptime); } OBJ(uptime) { format_seconds(p, p_max_size, (int) cur->uptime); } #ifdef __linux__ OBJ(user_names) { snprintf(p, p_max_size, "%s", cur->users.names); } OBJ(user_terms) { snprintf(p, p_max_size, "%s", cur->users.terms); } OBJ(user_times) { snprintf(p, p_max_size, "%s", cur->users.times); } OBJ(user_time) { update_user_time(obj->data.s); snprintf(p, p_max_size, "%s", cur->users.ctime); } OBJ(user_number) { snprintf(p, p_max_size, "%d", cur->users.number); } #endif /* __linux__ */ #if (defined(__FreeBSD__) || defined(__FreeBSD_kernel__) \ || defined(__OpenBSD__)) && (defined(i386) || defined(__i386__)) OBJ(apm_adapter) { char *msg; msg = get_apm_adapter(); snprintf(p, p_max_size, "%s", msg); free(msg); } OBJ(apm_battery_life) { char *msg; msg = get_apm_battery_life(); snprintf(p, p_max_size, "%s", msg); free(msg); } OBJ(apm_battery_time) { char *msg; msg = get_apm_battery_time(); snprintf(p, p_max_size, "%s", msg); free(msg); } #endif /* __FreeBSD__ __OpenBSD__ */ #ifdef HAVE_ICONV OBJ(iconv_start) { do_iconv_start(obj); } OBJ(iconv_stop) { do_iconv_stop(); } #endif /* HAVE_ICONV */ OBJ(include) { if(obj->sub) { char buf[max_user_text]; generate_text_internal(buf, max_user_text, *obj->sub, cur); snprintf(p, p_max_size, "%s", buf); } else { p[0] = 0; } } OBJ(blink) { //blinking like this can look a bit ugly if the chars in the font don't have the same width char buf[max_user_text]; unsigned int j; generate_text_internal(buf, max_user_text, *obj->sub, cur); snprintf(p, p_max_size, "%s", buf); if(total_updates % 2) { for(j=0; p[j] != 0; j++) { p[j] = ' '; } } } OBJ(to_bytes) { char buf[max_user_text]; long long bytes; char unit[16]; // 16 because we can also have long names (like mega-bytes) generate_text_internal(buf, max_user_text, *obj->sub, cur); if(sscanf(buf, "%lli%s", &bytes, unit) == 2 && strlen(unit) < 16){ if(strncasecmp("b", unit, 1) == 0) snprintf(buf, max_user_text, "%lli", bytes); else if(strncasecmp("k", unit, 1) == 0) snprintf(buf, max_user_text, "%lli", bytes * 1024); else if(strncasecmp("m", unit, 1) == 0) snprintf(buf, max_user_text, "%lli", bytes * 1024 * 1024); else if(strncasecmp("g", unit, 1) == 0) snprintf(buf, max_user_text, "%lli", bytes * 1024 * 1024 * 1024); else if(strncasecmp("t", unit, 1) == 0) snprintf(buf, max_user_text, "%lli", bytes * 1024 * 1024 * 1024 * 1024); } snprintf(p, p_max_size, "%s", buf); } break; } #undef DO_JUMP obj_loop_tail: { size_t a = strlen(p); #ifdef HAVE_ICONV iconv_convert(&a, buff_in, p, p_max_size); #endif /* HAVE_ICONV */ if (obj->type != OBJ_text && obj->type != OBJ_execp && obj->type != OBJ_execpi #ifdef HAVE_LUA && obj->type != OBJ_lua && obj->type != OBJ_lua_parse #endif /* HAVE_LUA */ ) { substitute_newlines(p, a - 2); } p += a; p_max_size -= a; (*p) = 0; } obj = obj->next; } #ifdef X11 /* load any new fonts we may have had */ if (need_to_load_fonts) { load_fonts(); } #endif /* X11 */ } void evaluate(const char *text, char *p, int p_max_size) { struct information *tmp_info; struct text_object subroot; tmp_info = malloc(sizeof(struct information)); memcpy(tmp_info, &info, sizeof(struct information)); parse_conky_vars(&subroot, text, p, p_max_size, tmp_info); DBGP("evaluated '%s' to '%s'", text, p); free_text_objects(&subroot, 1); free(tmp_info); } double current_update_time, next_update_time, last_update_time; static void generate_text(void) { struct information *cur = &info; char *p; unsigned int i, j, k; special_count = 0; /* update info */ current_update_time = get_time(); update_stuff(); /* add things to the buffer */ /* generate text */ p = text_buffer; generate_text_internal(p, max_user_text, global_root_object, cur); if(max_text_width > 0) { for(i = 0, j = 0; p[i] != 0; i++) { if(p[i] == '\n') j = 0; else if(j == max_text_width) { k = i + strlen(p + i) + 1; if(k < text_buffer_size) { while(k != i) { p[k] = p[k-1]; k--; } p[k] = '\n'; j = 0; } else NORM_ERR("The end of the text_buffer is reached, increase \"text_buffer_size\""); } else j++; } } if (stuff_in_uppercase) { char *tmp_p; tmp_p = text_buffer; while (*tmp_p) { *tmp_p = toupper(*tmp_p); tmp_p++; } } next_update_time += update_interval; if (next_update_time < get_time()) { next_update_time = get_time() + update_interval; } else if (next_update_time > get_time() + update_interval) { next_update_time = get_time() + update_interval; } last_update_time = current_update_time; total_updates++; } void set_update_interval(double interval) { update_interval = interval; update_interval_old = interval; } static inline int get_string_width(const char *s) { return *s ? calc_text_width(s) : 0; } #ifdef X11 static int get_string_width_special(char *s, int special_index) { char *p, *final; int idx = 1; int width = 0; long i; if (!s) return 0; if ((output_methods & TO_X) == 0) return strlen(s); p = strndup(s, text_buffer_size); final = p; while (*p) { if (*p == SPECIAL_CHAR) { /* shift everything over by 1 so that the special char * doesn't mess up the size calculation */ for (i = 0; i < (long)strlen(p); i++) { *(p + i) = *(p + i + 1); } if (specials[special_index + idx].type == GRAPH || specials[special_index + idx].type == GAUGE || specials[special_index + idx].type == BAR) { width += specials[special_index + idx].width; } idx++; } else if (*p == SECRIT_MULTILINE_CHAR) { *p = 0; break; } else { p++; } } if (strlen(final) > 1) { width += calc_text_width(final); } free(final); return width; } static int text_size_updater(char *s, int special_index); int last_font_height; static void update_text_area(void) { int x = 0, y = 0; if ((output_methods & TO_X) == 0) return; /* update text size if it isn't fixed */ #ifdef OWN_WINDOW if (!fixed_size) #endif { text_width = minimum_width; text_height = 0; last_font_height = font_height(); for_each_line(text_buffer, text_size_updater); text_width += 1; if (text_height < minimum_height) { text_height = minimum_height; } if (text_width > maximum_width && maximum_width > 0) { text_width = maximum_width; } } /* get text position on workarea */ switch (text_alignment) { case TOP_LEFT: case TOP_RIGHT: case TOP_MIDDLE: y = gap_y; break; case BOTTOM_LEFT: case BOTTOM_RIGHT: case BOTTOM_MIDDLE: default: y = workarea[3] - text_height - gap_y; break; case MIDDLE_LEFT: case MIDDLE_RIGHT: case MIDDLE_MIDDLE: y = workarea[3] / 2 - text_height / 2 - gap_y; break; } switch (text_alignment) { case TOP_LEFT: case BOTTOM_LEFT: case MIDDLE_LEFT: default: x = gap_x; break; case TOP_RIGHT: case BOTTOM_RIGHT: case MIDDLE_RIGHT: x = workarea[2] - text_width - gap_x; break; case TOP_MIDDLE: case BOTTOM_MIDDLE: case MIDDLE_MIDDLE: x = workarea[2] / 2 - text_width / 2 - gap_x; break; } #ifdef OWN_WINDOW if (text_alignment == NONE) { // Let the WM manage the window x = window.x; y = window.y; fixed_pos = 1; fixed_size = 1; } #endif /* OWN_WINDOW */ #ifdef OWN_WINDOW if (own_window && !fixed_pos) { x += workarea[0]; y += workarea[1]; text_start_x = window.border_inner_margin + window.border_outer_margin + window.border_width; text_start_y = window.border_inner_margin + window.border_outer_margin + window.border_width; window.x = x - window.border_inner_margin - window.border_outer_margin - window.border_width; window.y = y - window.border_inner_margin - window.border_outer_margin - window.border_width; } else #endif { /* If window size doesn't match to workarea's size, * then window probably includes panels (gnome). * Blah, doesn't work on KDE. */ if (workarea[2] != window.width || workarea[3] != window.height) { y += workarea[1]; x += workarea[0]; } text_start_x = x; text_start_y = y; } #ifdef HAVE_LUA /* update lua window globals */ llua_update_window_table(text_start_x, text_start_y, text_width, text_height); #endif /* HAVE_LUA */ } /* drawing stuff */ static int cur_x, cur_y; /* current x and y for drawing */ #endif //draw_mode also without X11 because we only need to print to stdout with FG static int draw_mode; /* FG, BG or OUTLINE */ #ifdef X11 static long current_color; static int text_size_updater(char *s, int special_index) { int w = 0; char *p; if ((output_methods & TO_X) == 0) return 0; /* get string widths and skip specials */ p = s; while (*p) { if (*p == SPECIAL_CHAR) { *p = '\0'; w += get_string_width(s); *p = SPECIAL_CHAR; if (specials[special_index].type == BAR || specials[special_index].type == GAUGE || specials[special_index].type == GRAPH) { w += specials[special_index].width; if (specials[special_index].height > last_font_height) { last_font_height = specials[special_index].height; last_font_height += font_height(); } } else if (specials[special_index].type == OFFSET) { if (specials[special_index].arg > 0) { w += specials[special_index].arg; } } else if (specials[special_index].type == VOFFSET) { last_font_height += specials[special_index].arg; } else if (specials[special_index].type == GOTO) { if (specials[special_index].arg > cur_x) { w = (int) specials[special_index].arg; } } else if (specials[special_index].type == TAB) { int start = specials[special_index].arg; int step = specials[special_index].width; if (!step || step < 0) { step = 10; } w += step - (cur_x - text_start_x - start) % step; } else if (specials[special_index].type == FONT) { selected_font = specials[special_index].font_added; if (font_height() > last_font_height) { last_font_height = font_height(); } } special_index++; s = p + 1; } else if (*p == SECRIT_MULTILINE_CHAR) { int lw; *p = '\0'; lw = get_string_width(s); *p = SECRIT_MULTILINE_CHAR; s = p + 1; w = lw > w ? lw : w; text_height += last_font_height; } p++; } w += get_string_width(s); if (w > text_width) { text_width = w; } if (text_width > maximum_width && maximum_width) { text_width = maximum_width; } text_height += last_font_height; last_font_height = font_height(); return special_index; } #endif /* X11 */ static inline void set_foreground_color(long c) { #ifdef X11 if (output_methods & TO_X) { current_color = c; XSetForeground(display, window.gc, c); } #endif /* X11 */ #ifdef NCURSES if (output_methods & TO_NCURSES) { attron(COLOR_PAIR(c)); } #endif /* NCURSES */ UNUSED(c); return; } static void draw_string(const char *s) { int i, i2, pos, width_of_s; int max = 0; int added; char *s_with_newlines; if (s[0] == '\0') { return; } width_of_s = get_string_width(s); s_with_newlines = strdup(s); for(i = 0; i < (int) strlen(s_with_newlines); i++) { if(s_with_newlines[i] == SECRIT_MULTILINE_CHAR) { s_with_newlines[i] = '\n'; } } if ((output_methods & TO_STDOUT) && draw_mode == FG) { printf("%s\n", s_with_newlines); if (extra_newline) fputc('\n', stdout); fflush(stdout); /* output immediately, don't buffer */ } if ((output_methods & TO_STDERR) && draw_mode == FG) { fprintf(stderr, "%s\n", s_with_newlines); fflush(stderr); /* output immediately, don't buffer */ } if ((output_methods & OVERWRITE_FILE) && draw_mode == FG && overwrite_fpointer) { fprintf(overwrite_fpointer, "%s\n", s_with_newlines); } if ((output_methods & APPEND_FILE) && draw_mode == FG && append_fpointer) { fprintf(append_fpointer, "%s\n", s_with_newlines); } #ifdef NCURSES if ((output_methods & TO_NCURSES) && draw_mode == FG) { printw("%s", s_with_newlines); } #endif free(s_with_newlines); memset(tmpstring1, 0, text_buffer_size); memset(tmpstring2, 0, text_buffer_size); strncpy(tmpstring1, s, text_buffer_size - 1); pos = 0; added = 0; #ifdef X11 if (output_methods & TO_X) { max = ((text_width - width_of_s) / get_string_width(" ")); } #endif /* X11 */ /* This code looks for tabs in the text and coverts them to spaces. * The trick is getting the correct number of spaces, and not going * over the window's size without forcing the window larger. */ for (i = 0; i < (int) text_buffer_size; i++) { if (tmpstring1[i] == '\t') { i2 = 0; for (i2 = 0; i2 < (8 - (1 + pos) % 8) && added <= max; i2++) { /* guard against overrun */ tmpstring2[MIN(pos + i2, (int)text_buffer_size - 1)] = ' '; added++; } pos += i2; } else { /* guard against overrun */ tmpstring2[MIN(pos, (int) text_buffer_size - 1)] = tmpstring1[i]; pos++; } } #ifdef X11 if (output_methods & TO_X) { if (text_width == maximum_width) { /* this means the text is probably pushing the limit, * so we'll chop it */ while (cur_x + get_string_width(tmpstring2) - text_start_x > maximum_width && strlen(tmpstring2) > 0) { tmpstring2[strlen(tmpstring2) - 1] = '\0'; } } } #endif /* X11 */ s = tmpstring2; #ifdef X11 if (output_methods & TO_X) { #ifdef XFT if (use_xft) { XColor c; XftColor c2; c.pixel = current_color; XQueryColor(display, DefaultColormap(display, screen), &c); c2.pixel = c.pixel; c2.color.red = c.red; c2.color.green = c.green; c2.color.blue = c.blue; c2.color.alpha = fonts[selected_font].font_alpha; if (utf8_mode) { XftDrawStringUtf8(window.xftdraw, &c2, fonts[selected_font].xftfont, cur_x, cur_y, (const XftChar8 *) s, strlen(s)); } else { XftDrawString8(window.xftdraw, &c2, fonts[selected_font].xftfont, cur_x, cur_y, (const XftChar8 *) s, strlen(s)); } } else #endif { XDrawString(display, window.drawable, window.gc, cur_x, cur_y, s, strlen(s)); } cur_x += width_of_s; } #endif /* X11 */ memcpy(tmpstring1, s, text_buffer_size); } int draw_each_line_inner(char *s, int special_index, int last_special_applied) { #ifdef X11 int font_h; int cur_y_add = 0; #endif /* X11 */ char *recurse = 0; char *p = s; int last_special_needed = -1; int orig_special_index = special_index; #ifdef X11 if (output_methods & TO_X) { font_h = font_height(); cur_y += font_ascent(); } cur_x = text_start_x; #endif /* X11 */ while (*p) { if (*p == SECRIT_MULTILINE_CHAR) { /* special newline marker for multiline objects */ recurse = p + 1; *p = '\0'; break; } if (*p == SPECIAL_CHAR || last_special_applied > -1) { #ifdef X11 int w = 0; #endif /* X11 */ /* draw string before special, unless we're dealing multiline * specials */ if (last_special_applied > -1) { special_index = last_special_applied; } else { *p = '\0'; draw_string(s); *p = SPECIAL_CHAR; s = p + 1; } /* draw special */ switch (specials[special_index].type) { #ifdef X11 case HORIZONTAL_LINE: { int h = specials[special_index].height; int mid = font_ascent() / 2; w = text_start_x + text_width - cur_x; XSetLineAttributes(display, window.gc, h, LineSolid, CapButt, JoinMiter); XDrawLine(display, window.drawable, window.gc, cur_x, cur_y - mid / 2, cur_x + w, cur_y - mid / 2); break; } case STIPPLED_HR: { int h = specials[special_index].height; int tmp_s = specials[special_index].arg; int mid = font_ascent() / 2; char ss[2] = { tmp_s, tmp_s }; w = text_start_x + text_width - cur_x - 1; XSetLineAttributes(display, window.gc, h, LineOnOffDash, CapButt, JoinMiter); XSetDashes(display, window.gc, 0, ss, 2); XDrawLine(display, window.drawable, window.gc, cur_x, cur_y - mid / 2, cur_x + w, cur_y - mid / 2); break; } case BAR: { int h, bar_usage, by; if (cur_x - text_start_x > maximum_width && maximum_width > 0) { break; } h = specials[special_index].height; bar_usage = specials[special_index].arg; by = cur_y - (font_ascent() / 2) - 1; if (h < font_h) { by -= h / 2 - 1; } w = specials[special_index].width; if (w == 0) { w = text_start_x + text_width - cur_x - 1; } if (w < 0) { w = 0; } XSetLineAttributes(display, window.gc, 1, LineSolid, CapButt, JoinMiter); XDrawRectangle(display, window.drawable, window.gc, cur_x, by, w, h); XFillRectangle(display, window.drawable, window.gc, cur_x, by, w * bar_usage / 255, h); if (h > cur_y_add && h > font_h) { cur_y_add = h; } break; } case GAUGE: /* new GAUGE */ { int h, by = 0; unsigned long last_colour = current_color; #ifdef MATH float angle, px, py; int usage; #endif /* MATH */ if (cur_x - text_start_x > maximum_width && maximum_width > 0) { break; } h = specials[special_index].height; by = cur_y - (font_ascent() / 2) - 1; if (h < font_h) { by -= h / 2 - 1; } w = specials[special_index].width; if (w == 0) { w = text_start_x + text_width - cur_x - 1; } if (w < 0) { w = 0; } XSetLineAttributes(display, window.gc, 1, LineSolid, CapButt, JoinMiter); XDrawArc(display, window.drawable, window.gc, cur_x, by, w, h * 2, 0, 180*64); #ifdef MATH usage = specials[special_index].arg; angle = (M_PI)*(float)(usage)/255.; px = (float)(cur_x+(w/2.))-(float)(w/2.)*cos(angle); py = (float)(by+(h))-(float)(h)*sin(angle); XDrawLine(display, window.drawable, window.gc, cur_x + (w/2.), by+(h), (int)(px), (int)(py)); #endif /* MATH */ if (h > cur_y_add && h > font_h) { cur_y_add = h; } set_foreground_color(last_colour); break; } case GRAPH: { int h, by, i = 0, j = 0; int colour_idx = 0; unsigned long last_colour = current_color; unsigned long *tmpcolour = 0; if (cur_x - text_start_x > maximum_width && maximum_width > 0) { break; } h = specials[special_index].height; by = cur_y - (font_ascent() / 2) - 1; if (h < font_h) { by -= h / 2 - 1; } w = specials[special_index].width; if (w == 0) { w = text_start_x + text_width - cur_x - 1; } if (w < 0) { w = 0; } if (draw_graph_borders) { XSetLineAttributes(display, window.gc, 1, LineSolid, CapButt, JoinMiter); XDrawRectangle(display, window.drawable, window.gc, cur_x, by, w, h); } XSetLineAttributes(display, window.gc, 1, LineSolid, CapButt, JoinMiter); if (specials[special_index].last_colour != 0 || specials[special_index].first_colour != 0) { tmpcolour = do_gradient(w - 1, specials[special_index].last_colour, specials[special_index].first_colour); } colour_idx = 0; for (i = w - 2; i > -1; i--) { if (specials[special_index].last_colour != 0 || specials[special_index].first_colour != 0) { if (specials[special_index].tempgrad) { #ifdef DEBUG_lol assert( (int)((float)(w - 2) - specials[special_index].graph[j] * (w - 2) / (float)specials[special_index].graph_scale) < w - 1 ); assert( (int)((float)(w - 2) - specials[special_index].graph[j] * (w - 2) / (float)specials[special_index].graph_scale) > -1 ); if (specials[special_index].graph[j] == specials[special_index].graph_scale) { assert( (int)((float)(w - 2) - specials[special_index].graph[j] * (w - 2) / (float)specials[special_index].graph_scale) == 0 ); } #endif /* DEBUG_lol */ XSetForeground(display, window.gc, tmpcolour[ (int)((float)(w - 2) - specials[special_index].graph[j] * (w - 2) / (float)specials[special_index].graph_scale) ]); } else { XSetForeground(display, window.gc, tmpcolour[colour_idx++]); } } /* this is mugfugly, but it works */ XDrawLine(display, window.drawable, window.gc, cur_x + i + 1, by + h, cur_x + i + 1, round_to_int((double)by + h - specials[special_index].graph[j] * (h - 1) / specials[special_index].graph_scale)); if ((w - i) / ((float) (w - 2) / (specials[special_index].graph_width)) > j && j < MAX_GRAPH_DEPTH - 3) { j++; } } if (tmpcolour) free(tmpcolour); if (h > cur_y_add && h > font_h) { cur_y_add = h; } /* if (draw_mode == BG) { set_foreground_color(default_bg_color); } else if (draw_mode == OUTLINE) { set_foreground_color(default_out_color); } else { set_foreground_color(default_fg_color); } */ if (show_graph_range) { int tmp_x = cur_x; int tmp_y = cur_y; unsigned short int seconds = update_interval * w; char *tmp_day_str; char *tmp_hour_str; char *tmp_min_str; char *tmp_sec_str; char *tmp_str; unsigned short int timeunits; if (seconds != 0) { timeunits = seconds / 86400; seconds %= 86400; if (timeunits > 0) { asprintf(&tmp_day_str, "%dd", timeunits); } else { tmp_day_str = strdup(""); } timeunits = seconds / 3600; seconds %= 3600; if (timeunits > 0) { asprintf(&tmp_hour_str, "%dh", timeunits); } else { tmp_hour_str = strdup(""); } timeunits = seconds / 60; seconds %= 60; if (timeunits > 0) { asprintf(&tmp_min_str, "%dm", timeunits); } else { tmp_min_str = strdup(""); } if (seconds > 0) { asprintf(&tmp_sec_str, "%ds", seconds); } else { tmp_sec_str = strdup(""); } asprintf(&tmp_str, "%s%s%s%s", tmp_day_str, tmp_hour_str, tmp_min_str, tmp_sec_str); free(tmp_day_str); free(tmp_hour_str); free(tmp_min_str); free(tmp_sec_str); } else { asprintf(&tmp_str, "Range not possible"); // should never happen, but better safe then sorry } cur_x += (w / 2) - (font_ascent() * (strlen(tmp_str) / 2)); cur_y += font_h / 2; draw_string(tmp_str); free(tmp_str); cur_x = tmp_x; cur_y = tmp_y; } #ifdef MATH if (show_graph_scale && (specials[special_index].show_scale == 1)) { int tmp_x = cur_x; int tmp_y = cur_y; char *tmp_str; cur_x += font_ascent() / 2; cur_y += font_h / 2; tmp_str = (char *) calloc(log10(floor(specials[special_index].graph_scale)) + 4, sizeof(char)); sprintf(tmp_str, "%.1f", specials[special_index].graph_scale); draw_string(tmp_str); free(tmp_str); cur_x = tmp_x; cur_y = tmp_y; } #endif set_foreground_color(last_colour); break; } case FONT: { int old = font_ascent(); cur_y -= font_ascent(); selected_font = specials[special_index].font_added; set_font(); if (cur_y + font_ascent() < cur_y + old) { cur_y += old; } else { cur_y += font_ascent(); } font_h = font_height(); break; } #endif /* X11 */ case FG: if (draw_mode == FG) { set_foreground_color(specials[special_index].arg); } break; #ifdef X11 case BG: if (draw_mode == BG) { set_foreground_color(specials[special_index].arg); } break; case OUTLINE: if (draw_mode == OUTLINE) { set_foreground_color(specials[special_index].arg); } break; case OFFSET: w += specials[special_index].arg; last_special_needed = special_index; break; case VOFFSET: cur_y += specials[special_index].arg; break; case GOTO: if (specials[special_index].arg >= 0) { cur_x = (int) specials[special_index].arg; } last_special_needed = special_index; break; case TAB: { int start = specials[special_index].arg; int step = specials[special_index].width; if (!step || step < 0) { step = 10; } w = step - (cur_x - text_start_x - start) % step; last_special_needed = special_index; break; } case ALIGNR: { /* TODO: add back in "+ window.border_inner_margin" to the end of * this line? */ int pos_x = text_start_x + text_width - get_string_width_special(s, special_index); /* printf("pos_x %i text_start_x %i text_width %i cur_x %i " "get_string_width(p) %i gap_x %i " "specials[special_index].arg %i window.border_inner_margin %i " "window.border_width %i\n", pos_x, text_start_x, text_width, cur_x, get_string_width_special(s), gap_x, specials[special_index].arg, window.border_inner_margin, window.border_width); */ if (pos_x > specials[special_index].arg && pos_x > cur_x) { cur_x = pos_x - specials[special_index].arg; } last_special_needed = special_index; break; } case ALIGNC: { int pos_x = (text_width) / 2 - get_string_width_special(s, special_index) / 2 - (cur_x - text_start_x); /* int pos_x = text_start_x + text_width / 2 - get_string_width_special(s) / 2; */ /* printf("pos_x %i text_start_x %i text_width %i cur_x %i " "get_string_width(p) %i gap_x %i " "specials[special_index].arg %i\n", pos_x, text_start_x, text_width, cur_x, get_string_width(s), gap_x, specials[special_index].arg); */ if (pos_x > specials[special_index].arg) { w = pos_x - specials[special_index].arg; } last_special_needed = special_index; break; } #endif /* X11 */ } #ifdef X11 cur_x += w; #endif /* X11 */ if (special_index != last_special_applied) { special_index++; } else { special_index = orig_special_index; last_special_applied = -1; } } p++; } #ifdef X11 cur_y += cur_y_add; #endif /* X11 */ draw_string(s); #ifdef NCURSES if (output_methods & TO_NCURSES) { printw("\n"); } #endif /* NCURSES */ #ifdef X11 if (output_methods & TO_X) cur_y += font_descent(); #endif /* X11 */ if (recurse && *recurse) { special_index = draw_each_line_inner(recurse, special_index, last_special_needed); *(recurse - 1) = SECRIT_MULTILINE_CHAR; } return special_index; } static int draw_line(char *s, int special_index) { #ifdef X11 if (output_methods & TO_X) { return draw_each_line_inner(s, special_index, -1); } #endif /* X11 */ #ifdef NCURSES if (output_methods & TO_NCURSES) { return draw_each_line_inner(s, special_index, -1); } #endif /* NCURSES */ draw_string(s); UNUSED(special_index); return 0; } static void draw_text(void) { #ifdef X11 #ifdef HAVE_LUA llua_draw_pre_hook(); #endif /* HAVE_LUA */ if (output_methods & TO_X) { cur_y = text_start_y; /* draw borders */ if (draw_borders && window.border_width > 0) { if (stippled_borders) { char ss[2] = { stippled_borders, stippled_borders }; XSetLineAttributes(display, window.gc, window.border_width, LineOnOffDash, CapButt, JoinMiter); XSetDashes(display, window.gc, 0, ss, 2); } else { XSetLineAttributes(display, window.gc, window.border_width, LineSolid, CapButt, JoinMiter); } XDrawRectangle(display, window.drawable, window.gc, text_start_x - window.border_inner_margin - window.border_width, text_start_y - window.border_inner_margin - window.border_width, text_width + window.border_inner_margin * 2 + window.border_width * 2, text_height + window.border_inner_margin * 2 + window.border_width * 2); } /* draw text */ } setup_fonts(); #endif /* X11 */ #ifdef NCURSES init_pair(COLOR_WHITE, COLOR_WHITE, COLOR_BLACK); attron(COLOR_PAIR(COLOR_WHITE)); #endif /* NCURSES */ for_each_line(text_buffer, draw_line); #if defined(HAVE_LUA) && defined(X11) llua_draw_post_hook(); #endif /* HAVE_LUA */ } static void draw_stuff(void) { #ifdef IMLIB2 cimlib_render(text_start_x, text_start_y, window.width, window.height); #endif /* IMLIB2 */ if (overwrite_file) { overwrite_fpointer = fopen(overwrite_file, "w"); if(!overwrite_fpointer) NORM_ERR("Can't overwrite '%s' anymore", overwrite_file); } if (append_file) { append_fpointer = fopen(append_file, "a"); if(!append_fpointer) NORM_ERR("Can't append '%s' anymore", append_file); } #ifdef X11 if (output_methods & TO_X) { selected_font = 0; if (draw_shades && !draw_outline) { text_start_x++; text_start_y++; set_foreground_color(default_bg_color); draw_mode = BG; draw_text(); text_start_x--; text_start_y--; } if (draw_outline) { int i, j; selected_font = 0; for (i = -1; i < 2; i++) { for (j = -1; j < 2; j++) { if (i == 0 && j == 0) { continue; } text_start_x += i; text_start_y += j; set_foreground_color(default_out_color); draw_mode = OUTLINE; draw_text(); text_start_x -= i; text_start_y -= j; } } } set_foreground_color(default_fg_color); } #endif /* X11 */ draw_mode = FG; draw_text(); #if defined(X11) && defined(HAVE_XDBE) if (output_methods & TO_X) { xdbe_swap_buffers(); } #endif /* X11 && HAVE_XDBE */ if(overwrite_fpointer) { fclose(overwrite_fpointer); overwrite_fpointer = 0; } if(append_fpointer) { fclose(append_fpointer); append_fpointer = 0; } } #ifdef X11 static void clear_text(int exposures) { #ifdef HAVE_XDBE if (use_xdbe) { /* The swap action is XdbeBackground, which clears */ return; } else #endif if (display && window.window) { // make sure these are !null /* there is some extra space for borders and outlines */ XClearArea(display, window.window, text_start_x - window.border_inner_margin - window.border_outer_margin - window.border_width, text_start_y - window.border_inner_margin - window.border_outer_margin - window.border_width, text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2, text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2, exposures ? True : 0); } } #endif /* X11 */ static int need_to_update; /* update_text() generates new text and clears old text area */ static void update_text(void) { #ifdef IMLIB2 cimlib_cleanup(); #endif /* IMLIB2 */ generate_text(); #ifdef X11 if (output_methods & TO_X) clear_text(1); #endif /* X11 */ need_to_update = 1; #ifdef HAVE_LUA llua_update_info(&info, update_interval); #endif /* HAVE_LUA */ } #ifdef HAVE_SYS_INOTIFY_H int inotify_fd; #endif static void main_loop(void) { int terminate = 0; #ifdef SIGNAL_BLOCKING sigset_t newmask, oldmask; #endif double t; #ifdef HAVE_SYS_INOTIFY_H int inotify_config_wd = -1; #define INOTIFY_EVENT_SIZE (sizeof(struct inotify_event)) #define INOTIFY_BUF_LEN (20 * (INOTIFY_EVENT_SIZE + 16)) char inotify_buff[INOTIFY_BUF_LEN]; #endif /* HAVE_SYS_INOTIFY_H */ #ifdef SIGNAL_BLOCKING sigemptyset(&newmask); sigaddset(&newmask, SIGINT); sigaddset(&newmask, SIGTERM); sigaddset(&newmask, SIGUSR1); #endif last_update_time = 0.0; next_update_time = get_time(); info.looped = 0; while (terminate == 0 && (total_run_times == 0 || info.looped < total_run_times)) { if(update_interval_bat != NOBATTERY && update_interval_bat != update_interval_old) { char buf[max_user_text]; get_battery_short_status(buf, max_user_text, "BAT0"); if(buf[0] == 'D') { update_interval = update_interval_bat; } else { update_interval = update_interval_old; } } info.looped++; #ifdef SIGNAL_BLOCKING /* block signals. we will inspect for pending signals later */ if (sigprocmask(SIG_BLOCK, &newmask, &oldmask) < 0) { CRIT_ERR(NULL, NULL, "unable to sigprocmask()"); } #endif #ifdef X11 if (output_methods & TO_X) { XFlush(display); /* wait for X event or timeout */ if (!XPending(display)) { fd_set fdsr; struct timeval tv; int s; t = next_update_time - get_time(); if (t < 0) { t = 0; } else if (t > update_interval) { t = update_interval; } tv.tv_sec = (long) t; tv.tv_usec = (long) (t * 1000000) % 1000000; FD_ZERO(&fdsr); FD_SET(ConnectionNumber(display), &fdsr); s = select(ConnectionNumber(display) + 1, &fdsr, 0, 0, &tv); if (s == -1) { if (errno != EINTR) { NORM_ERR("can't select(): %s", strerror(errno)); } } else { /* timeout */ if (s == 0) { update_text(); } } } if (need_to_update) { #ifdef OWN_WINDOW int wx = window.x, wy = window.y; #endif need_to_update = 0; selected_font = 0; update_text_area(); #ifdef OWN_WINDOW if (own_window) { int changed = 0; /* resize window if it isn't right size */ if (!fixed_size && (text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2 != window.width || text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2 != window.height)) { window.width = text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2; window.height = text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2; draw_stuff(); /* redraw everything in our newly sized window */ XResizeWindow(display, window.window, window.width, window.height); /* resize window */ set_transparent_background(window.window); #ifdef HAVE_XDBE /* swap buffers */ xdbe_swap_buffers(); #endif changed++; #ifdef HAVE_LUA /* update lua window globals */ llua_update_window_table(text_start_x, text_start_y, text_width, text_height); #endif /* HAVE_LUA */ } /* move window if it isn't in right position */ if (!fixed_pos && (window.x != wx || window.y != wy)) { XMoveWindow(display, window.window, window.x, window.y); changed++; } /* update struts */ if (changed && window.type == TYPE_PANEL) { int sidenum = -1; fprintf(stderr, PACKAGE_NAME": defining struts\n"); fflush(stderr); switch (text_alignment) { case TOP_LEFT: case TOP_RIGHT: case TOP_MIDDLE: { sidenum = 2; break; } case BOTTOM_LEFT: case BOTTOM_RIGHT: case BOTTOM_MIDDLE: { sidenum = 3; break; } case MIDDLE_LEFT: { sidenum = 0; break; } case MIDDLE_RIGHT: { sidenum = 1; break; } } set_struts(sidenum); } } #endif clear_text(1); #ifdef HAVE_XDBE if (use_xdbe) { XRectangle r; r.x = text_start_x - window.border_inner_margin - window.border_outer_margin - window.border_width; r.y = text_start_y - window.border_inner_margin - window.border_outer_margin - window.border_width; r.width = text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2; r.height = text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2; XUnionRectWithRegion(&r, x11_stuff.region, x11_stuff.region); } #endif } /* handle X events */ while (XPending(display)) { XEvent ev; XNextEvent(display, &ev); switch (ev.type) { case Expose: { XRectangle r; r.x = ev.xexpose.x; r.y = ev.xexpose.y; r.width = ev.xexpose.width; r.height = ev.xexpose.height; XUnionRectWithRegion(&r, x11_stuff.region, x11_stuff.region); break; } case PropertyNotify: { if ( ev.xproperty.state == PropertyNewValue ) { get_x11_desktop_info( ev.xproperty.display, ev.xproperty.atom ); } break; } #ifdef OWN_WINDOW case ReparentNotify: /* set background to ParentRelative for all parents */ if (own_window) { set_transparent_background(window.window); } break; case ConfigureNotify: if (own_window) { /* if window size isn't what expected, set fixed size */ if (ev.xconfigure.width != window.width || ev.xconfigure.height != window.height) { if (window.width != 0 && window.height != 0) { fixed_size = 1; } /* clear old stuff before screwing up * size and pos */ clear_text(1); { XWindowAttributes attrs; if (XGetWindowAttributes(display, window.window, &attrs)) { window.width = attrs.width; window.height = attrs.height; } } text_width = window.width - window.border_inner_margin * 2 - window.border_outer_margin * 2 - window.border_width * 2; text_height = window.height - window.border_inner_margin * 2 - window.border_outer_margin * 2 - window.border_width * 2; if (text_width > maximum_width && maximum_width > 0) { text_width = maximum_width; } } /* if position isn't what expected, set fixed pos * total_updates avoids setting fixed_pos when window * is set to weird locations when started */ /* // this is broken if (total_updates >= 2 && !fixed_pos && (window.x != ev.xconfigure.x || window.y != ev.xconfigure.y) && (ev.xconfigure.x != 0 || ev.xconfigure.y != 0)) { fixed_pos = 1; } */ } break; case ButtonPress: if (own_window) { /* if an ordinary window with decorations */ if ((window.type == TYPE_NORMAL && (!TEST_HINT(window.hints, HINT_UNDECORATED))) || window.type == TYPE_DESKTOP) { /* allow conky to hold input focus. */ break; } else { /* forward the click to the desktop window */ XUngrabPointer(display, ev.xbutton.time); ev.xbutton.window = window.desktop; ev.xbutton.x = ev.xbutton.x_root; ev.xbutton.y = ev.xbutton.y_root; XSendEvent(display, ev.xbutton.window, False, ButtonPressMask, &ev); XSetInputFocus(display, ev.xbutton.window, RevertToParent, ev.xbutton.time); } } break; case ButtonRelease: if (own_window) { /* if an ordinary window with decorations */ if ((window.type == TYPE_NORMAL) && (!TEST_HINT(window.hints, HINT_UNDECORATED))) { /* allow conky to hold input focus. */ break; } else { /* forward the release to the desktop window */ ev.xbutton.window = window.desktop; ev.xbutton.x = ev.xbutton.x_root; ev.xbutton.y = ev.xbutton.y_root; XSendEvent(display, ev.xbutton.window, False, ButtonReleaseMask, &ev); } } break; #endif default: #ifdef HAVE_XDAMAGE if (ev.type == x11_stuff.event_base + XDamageNotify) { XDamageNotifyEvent *dev = (XDamageNotifyEvent *) &ev; XFixesSetRegion(display, x11_stuff.part, &dev->area, 1); XFixesUnionRegion(display, x11_stuff.region2, x11_stuff.region2, x11_stuff.part); } #endif /* HAVE_XDAMAGE */ break; } } #ifdef HAVE_XDAMAGE XDamageSubtract(display, x11_stuff.damage, x11_stuff.region2, None); XFixesSetRegion(display, x11_stuff.region2, 0, 0); #endif /* HAVE_XDAMAGE */ /* XDBE doesn't seem to provide a way to clear the back buffer * without interfering with the front buffer, other than passing * XdbeBackground to XdbeSwapBuffers. That means that if we're * using XDBE, we need to redraw the text even if it wasn't part of * the exposed area. OTOH, if we're not going to call draw_stuff at * all, then no swap happens and we can safely do nothing. */ if (!XEmptyRegion(x11_stuff.region)) { #ifdef HAVE_XDBE if (use_xdbe) { XRectangle r; r.x = text_start_x - window.border_inner_margin - window.border_outer_margin - window.border_width; r.y = text_start_y - window.border_inner_margin - window.border_outer_margin - window.border_width; r.width = text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2; r.height = text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2; XUnionRectWithRegion(&r, x11_stuff.region, x11_stuff.region); } #endif XSetRegion(display, window.gc, x11_stuff.region); #ifdef XFT if (use_xft) { XftDrawSetClip(window.xftdraw, x11_stuff.region); } #endif draw_stuff(); XDestroyRegion(x11_stuff.region); x11_stuff.region = XCreateRegion(); } } else { #endif /* X11 */ t = (next_update_time - get_time()) * 1000000; if(t > 0) usleep((useconds_t)t); update_text(); draw_stuff(); #ifdef NCURSES if(output_methods & TO_NCURSES) { refresh(); clear(); } #endif #ifdef X11 } #endif /* X11 */ #ifdef SIGNAL_BLOCKING /* unblock signals of interest and let handler fly */ if (sigprocmask(SIG_SETMASK, &oldmask, NULL) < 0) { CRIT_ERR(NULL, NULL, "unable to sigprocmask()"); } #endif switch (g_signal_pending) { case SIGHUP: case SIGUSR1: NORM_ERR("received SIGHUP or SIGUSR1. reloading the config file."); reload_config(); break; case SIGINT: case SIGTERM: NORM_ERR("received SIGINT or SIGTERM to terminate. bye!"); terminate = 1; #ifdef X11 if (output_methods & TO_X) { XDestroyRegion(x11_stuff.region); x11_stuff.region = NULL; #ifdef HAVE_XDAMAGE XDamageDestroy(display, x11_stuff.damage); XFixesDestroyRegion(display, x11_stuff.region2); XFixesDestroyRegion(display, x11_stuff.part); #endif /* HAVE_XDAMAGE */ if (disp) { free(disp); } } #endif /* X11 */ if(overwrite_file) { free(overwrite_file); overwrite_file = 0; } if(append_file) { free(append_file); append_file = 0; } break; default: /* Reaching here means someone set a signal * (SIGXXXX, signal_handler), but didn't write any code * to deal with it. * If you don't want to handle a signal, don't set a handler on * it in the first place. */ if (g_signal_pending) { NORM_ERR("ignoring signal (%d)", g_signal_pending); } break; } #ifdef HAVE_SYS_INOTIFY_H if (inotify_fd != -1 && inotify_config_wd == -1 && current_config != 0) { inotify_config_wd = inotify_add_watch(inotify_fd, current_config, IN_MODIFY); } if (inotify_fd != -1 && inotify_config_wd != -1 && current_config != 0) { int len = 0, idx = 0; fd_set descriptors; struct timeval time_to_wait; FD_ZERO(&descriptors); FD_SET(inotify_fd, &descriptors); time_to_wait.tv_sec = time_to_wait.tv_usec = 0; select(inotify_fd + 1, &descriptors, NULL, NULL, &time_to_wait); if (FD_ISSET(inotify_fd, &descriptors)) { /* process inotify events */ len = read(inotify_fd, inotify_buff, INOTIFY_BUF_LEN); while (len > 0 && idx < len) { struct inotify_event *ev = (struct inotify_event *) &inotify_buff[idx]; if (ev->wd == inotify_config_wd && (ev->mask & IN_MODIFY || ev->mask & IN_IGNORED)) { /* current_config should be reloaded */ NORM_ERR("'%s' modified, reloading...", current_config); reload_config(); if (ev->mask & IN_IGNORED) { /* for some reason we get IN_IGNORED here * sometimes, so we need to re-add the watch */ inotify_config_wd = inotify_add_watch(inotify_fd, current_config, IN_MODIFY); } } #ifdef HAVE_LUA else { llua_inotify_query(ev->wd, ev->mask); } #endif /* HAVE_LUA */ idx += INOTIFY_EVENT_SIZE + ev->len; } } } #endif /* HAVE_SYS_INOTIFY_H */ #ifdef HAVE_LUA llua_update_info(&info, update_interval); #endif /* HAVE_LUA */ g_signal_pending = 0; } clean_up(NULL, NULL); #ifdef HAVE_SYS_INOTIFY_H if (inotify_fd != -1) { inotify_rm_watch(inotify_fd, inotify_config_wd); close(inotify_fd); inotify_fd = inotify_config_wd = 0; } #endif /* HAVE_SYS_INOTIFY_H */ } #ifdef X11 static void load_config_file_x11(const char *); #endif /* X11 */ void initialisation(int argc, char** argv); /* reload the config file */ static void reload_config(void) { char *current_config_copy = strdup(current_config); clean_up(NULL, NULL); current_config = current_config_copy; initialisation(argc_copy, argv_copy); } void clean_up(void *memtofree1, void* memtofree2) { int i; #ifdef NCURSES if(output_methods & TO_NCURSES) { endwin(); } #endif conftree_empty(currentconffile); currentconffile = NULL; if(memtofree1) { free(memtofree1); } if(memtofree2) { free(memtofree2); } timed_thread_destroy_registered_threads(); if (info.cpu_usage) { free(info.cpu_usage); info.cpu_usage = NULL; } #ifdef X11 if (x_initialised == YES) { if(window_created == 1) { XClearArea(display, window.window, text_start_x - window.border_inner_margin - window.border_outer_margin - window.border_width, text_start_y - window.border_inner_margin - window.border_outer_margin - window.border_width, text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2, text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2, 0); } destroy_window(); free_fonts(); if(x11_stuff.region) { XDestroyRegion(x11_stuff.region); x11_stuff.region = NULL; } XCloseDisplay(display); display = NULL; if(info.x11.desktop.all_names) { free(info.x11.desktop.all_names); info.x11.desktop.all_names = NULL; } if (info.x11.desktop.name) { free(info.x11.desktop.name); info.x11.desktop.name = NULL; } x_initialised = NO; }else{ free(fonts); //in set_default_configurations a font is set but not loaded font_count = -1; } #endif /* X11 */ free_update_callbacks(); free_templates(); free_text_objects(&global_root_object, 0); if (tmpstring1) { free(tmpstring1); tmpstring1 = 0; } if (tmpstring2) { free(tmpstring2); tmpstring2 = 0; } if (text_buffer) { free(text_buffer); text_buffer = 0; } if (global_text) { free(global_text); global_text = 0; } free(current_config); current_config = 0; #ifdef TCP_PORT_MONITOR tcp_portmon_clear(); #endif #ifdef HAVE_CURL ccurl_free_info(); #endif #ifdef RSS rss_free_info(); #endif #ifdef WEATHER weather_free_info(); #endif #ifdef HAVE_LUA llua_shutdown_hook(); llua_close(); #endif /* HAVE_LUA */ #ifdef IMLIB2 if (output_methods & TO_X) cimlib_deinit(); #endif /* IMLIB2 */ #ifdef XOAP xmlCleanupParser(); #endif /* XOAP */ if (specials) { for (i = 0; i < special_count; i++) { if (specials[i].type == GRAPH) { free(specials[i].graph); } } free(specials); specials = NULL; } clear_net_stats(); clear_diskio_stats(); if(global_cpu != NULL) { free(global_cpu); global_cpu = NULL; } } static int string_to_bool(const char *s) { if (!s) { // Assumes an option without a true/false means true return 1; } else if (strcasecmp(s, "yes") == EQUAL) { return 1; } else if (strcasecmp(s, "true") == EQUAL) { return 1; } else if (strcasecmp(s, "1") == EQUAL) { return 1; } return 0; } #ifdef X11 static enum alignment string_to_alignment(const char *s) { if (strcasecmp(s, "top_left") == EQUAL) { return TOP_LEFT; } else if (strcasecmp(s, "top_right") == EQUAL) { return TOP_RIGHT; } else if (strcasecmp(s, "top_middle") == EQUAL) { return TOP_MIDDLE; } else if (strcasecmp(s, "bottom_left") == EQUAL) { return BOTTOM_LEFT; } else if (strcasecmp(s, "bottom_right") == EQUAL) { return BOTTOM_RIGHT; } else if (strcasecmp(s, "bottom_middle") == EQUAL) { return BOTTOM_MIDDLE; } else if (strcasecmp(s, "middle_left") == EQUAL) { return MIDDLE_LEFT; } else if (strcasecmp(s, "middle_right") == EQUAL) { return MIDDLE_RIGHT; } else if (strcasecmp(s, "middle_middle") == EQUAL) { return MIDDLE_MIDDLE; } else if (strcasecmp(s, "tl") == EQUAL) { return TOP_LEFT; } else if (strcasecmp(s, "tr") == EQUAL) { return TOP_RIGHT; } else if (strcasecmp(s, "tm") == EQUAL) { return TOP_MIDDLE; } else if (strcasecmp(s, "bl") == EQUAL) { return BOTTOM_LEFT; } else if (strcasecmp(s, "br") == EQUAL) { return BOTTOM_RIGHT; } else if (strcasecmp(s, "bm") == EQUAL) { return BOTTOM_MIDDLE; } else if (strcasecmp(s, "ml") == EQUAL) { return MIDDLE_LEFT; } else if (strcasecmp(s, "mr") == EQUAL) { return MIDDLE_RIGHT; } else if (strcasecmp(s, "mm") == EQUAL) { return MIDDLE_MIDDLE; } else if (strcasecmp(s, "none") == EQUAL) { return NONE; } return TOP_LEFT; } #endif /* X11 */ #ifdef X11 static void set_default_configurations_for_x(void) { default_fg_color = WhitePixel(display, screen); default_bg_color = BlackPixel(display, screen); default_out_color = BlackPixel(display, screen); color0 = default_fg_color; color1 = default_fg_color; color2 = default_fg_color; color3 = default_fg_color; color4 = default_fg_color; color5 = default_fg_color; color6 = default_fg_color; color7 = default_fg_color; color8 = default_fg_color; color9 = default_fg_color; current_text_color = default_fg_color; } #endif /* X11 */ static void set_default_configurations(void) { #ifdef MPD char *mpd_env_host; char *mpd_env_port; #endif update_uname(); fork_to_background = 0; total_run_times = 0; info.cpu_avg_samples = 2; info.net_avg_samples = 2; info.diskio_avg_samples = 2; info.memmax = 0; top_cpu = 0; cpu_separate = 0; short_units = 0; format_human_readable = 1; top_mem = 0; top_time = 0; #ifdef IOSTATS top_io = 0; #endif #ifdef __linux__ top_running = 0; #endif #ifdef MPD mpd_env_host = getenv("MPD_HOST"); mpd_env_port = getenv("MPD_PORT"); if (!mpd_env_host || !strlen(mpd_env_host)) { mpd_set_host("localhost"); } else { /* MPD_HOST environment variable is set */ char *mpd_hostpart = strchr(mpd_env_host, '@'); if (!mpd_hostpart) { mpd_set_host(mpd_env_host); } else { /* MPD_HOST contains a password */ char mpd_password[mpd_hostpart - mpd_env_host + 1]; snprintf(mpd_password, mpd_hostpart - mpd_env_host + 1, "%s", mpd_env_host); if (!strlen(mpd_hostpart + 1)) { mpd_set_host("localhost"); } else { mpd_set_host(mpd_hostpart + 1); } mpd_set_password(mpd_password, 1); } } if (!mpd_env_port || mpd_set_port(mpd_env_port)) { /* failed to set port from environment variable */ mpd_set_port("6600"); } #endif #ifdef XMMS2 info.xmms2.artist = NULL; info.xmms2.album = NULL; info.xmms2.title = NULL; info.xmms2.genre = NULL; info.xmms2.comment = NULL; info.xmms2.url = NULL; info.xmms2.status = NULL; info.xmms2.playlist = NULL; #endif use_spacer = NO_SPACER; #ifdef X11 output_methods = TO_X; #else output_methods = TO_STDOUT; #endif #ifdef X11 show_graph_scale = 0; show_graph_range = 0; draw_shades = 1; draw_borders = 0; draw_graph_borders = 1; draw_outline = 0; set_first_font("6x10"); gap_x = 5; gap_y = 60; minimum_width = 5; minimum_height = 5; maximum_width = 0; #ifdef OWN_WINDOW own_window = 0; window.type = TYPE_NORMAL; window.hints = 0; strcpy(window.class_name, PACKAGE_NAME); sprintf(window.title, PACKAGE_NAME" (%s)", info.uname_s.nodename); #endif stippled_borders = 0; window.border_inner_margin = 3; window.border_outer_margin = 1; window.border_width = 1; text_alignment = BOTTOM_LEFT; info.x11.monitor.number = 1; info.x11.monitor.current = 0; info.x11.desktop.current = 1; info.x11.desktop.number = 1; info.x11.desktop.nitems = 0; info.x11.desktop.all_names = NULL; info.x11.desktop.name = NULL; #endif /* X11 */ free_templates(); free(current_mail_spool); { char buf[256]; variable_substitute(MAIL_FILE, buf, 256); if (buf[0] != '\0') { current_mail_spool = strndup(buf, text_buffer_size); } } no_buffers = 1; set_update_interval(3); update_interval_bat = NOBATTERY; info.music_player_interval = 1.0; stuff_in_uppercase = 0; info.users.number = 1; set_times_in_seconds(0); #ifdef TCP_PORT_MONITOR /* set default connection limit */ tcp_portmon_set_max_connections(0); #endif } /* returns 1 if you can overwrite or create the file at 'path' */ static _Bool overwrite_works(const char *path) { FILE *filepointer; if (!(filepointer = fopen(path, "w"))) return 0; fclose(filepointer); return 1; } /* returns 1 if you can append or create the file at 'path' */ static _Bool append_works(const char *path) { FILE *filepointer; if (!(filepointer = fopen(path, "a"))) return 0; fclose(filepointer); return 1; } #ifdef X11 #ifdef DEBUG /* WARNING, this type not in Xlib spec */ int x11_error_handler(Display *d, XErrorEvent *err) __attribute__((noreturn)); int x11_error_handler(Display *d, XErrorEvent *err) { NORM_ERR("X Error: type %i Display %lx XID %li serial %lu error_code %i request_code %i minor_code %i other Display: %lx\n", err->type, (long unsigned)err->display, (long)err->resourceid, err->serial, err->error_code, err->request_code, err->minor_code, (long unsigned)d ); abort(); } int x11_ioerror_handler(Display *d) __attribute__((noreturn)); int x11_ioerror_handler(Display *d) { NORM_ERR("X Error: Display %lx\n", (long unsigned)d ); exit(1); } #endif /* DEBUG */ static void X11_initialisation(void) { if (x_initialised == YES) return; output_methods |= TO_X; init_X11(disp); set_default_configurations_for_x(); x_initialised = YES; #ifdef DEBUG _Xdebug = 1; /* WARNING, this type not in Xlib spec */ XSetErrorHandler(&x11_error_handler); XSetIOErrorHandler(&x11_ioerror_handler); #endif /* DEBUG */ } static char **xargv = 0; static int xargc = 0; static void X11_create_window(void) { if (output_methods & TO_X) { #ifdef OWN_WINDOW init_window(own_window, text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2, text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2, set_transparent, background_colour, xargv, xargc); #else /* OWN_WINDOW */ init_window(0, text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2, text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2, set_transparent, 0, xargv, xargc); #endif /* OWN_WINDOW */ setup_fonts(); load_fonts(); update_text_area(); /* to position text/window on screen */ #ifdef OWN_WINDOW if (own_window && !fixed_pos) { XMoveWindow(display, window.window, window.x, window.y); } if (own_window) { set_transparent_background(window.window); } #endif create_gc(); draw_stuff(); x11_stuff.region = XCreateRegion(); #ifdef HAVE_XDAMAGE if (!XDamageQueryExtension(display, &x11_stuff.event_base, &x11_stuff.error_base)) { NORM_ERR("Xdamage extension unavailable"); } x11_stuff.damage = XDamageCreate(display, window.window, XDamageReportNonEmpty); x11_stuff.region2 = XFixesCreateRegionFromWindow(display, window.window, 0); x11_stuff.part = XFixesCreateRegionFromWindow(display, window.window, 0); #endif /* HAVE_XDAMAGE */ selected_font = 0; update_text_area(); /* to get initial size of the window */ } #ifdef HAVE_LUA /* setup lua window globals */ llua_setup_window_table(text_start_x, text_start_y, text_width, text_height); #endif /* HAVE_LUA */ } #endif /* X11 */ #define CONF_ERR NORM_ERR("%s: %d: config file error", f, line) #define CONF_ERR2(a) NORM_ERR("%s: %d: config file error: %s", f, line, a) #define CONF2(a) if (strcasecmp(name, a) == 0) #define CONF(a) else CONF2(a) #define CONF3(a, b) else if (strcasecmp(name, a) == 0 \ || strcasecmp(name, b) == 0) #define CONF_CONTINUE 1 #define CONF_BREAK 2 #define CONF_BUFF_SIZE 512 static FILE *open_config_file(const char *f) { #ifdef CONFIG_OUTPUT if (!strcmp(f, "==builtin==")) { return conf_cookie_open(); } else #endif /* CONFIG_OUTPUT */ return fopen(f, "r"); } static int do_config_step(int *line, FILE *fp, char *buf, char **name, char **value) { char *p, *p2; (*line)++; if (fgets(buf, CONF_BUFF_SIZE, fp) == NULL) { return CONF_BREAK; } remove_comments(buf); p = buf; /* skip spaces */ while (*p && isspace((int) *p)) { p++; } if (*p == '\0') { return CONF_CONTINUE; /* empty line */ } *name = p; /* skip name */ p2 = p; while (*p2 && !isspace((int) *p2)) { p2++; } if (*p2 != '\0') { *p2 = '\0'; /* break at name's end */ p2++; } /* get value */ if (*p2) { p = p2; while (*p && isspace((int) *p)) { p++; } *value = p; p2 = *value + strlen(*value); while (isspace((int) *(p2 - 1))) { *--p2 = '\0'; } } else { *value = 0; } return 0; } char load_config_file(const char *f) { int line = 0; FILE *fp; fp = open_config_file(f); if (!fp) { return FALSE; } DBGP("reading contents from config file '%s'", f); while (!feof(fp)) { char buff[CONF_BUFF_SIZE], *name, *value; int ret = do_config_step(&line, fp, buff, &name, &value); if (ret == CONF_BREAK) { break; } else if (ret == CONF_CONTINUE) { continue; } #ifdef X11 CONF2("out_to_x") { /* don't listen if X is already initialised or * if we already know we don't want it */ if(x_initialised != YES) { if (string_to_bool(value)) { output_methods &= TO_X; } else { output_methods &= ~TO_X; x_initialised = NEVER; } } } CONF("display") { if (!value || x_initialised == YES) { CONF_ERR; } else { if (disp) free(disp); disp = strdup(value); } } CONF("alignment") { #ifdef OWN_WINDOW if (window.type == TYPE_DOCK) ; else #endif /*OWN_WINDOW */ if (value) { int a = string_to_alignment(value); if (a <= 0) { CONF_ERR; } else { text_alignment = a; } } else { CONF_ERR; } } CONF("background") { fork_to_background = string_to_bool(value); } #else CONF2("background") { fork_to_background = string_to_bool(value); } #endif /* X11 */ #ifdef X11 CONF("show_graph_scale") { show_graph_scale = string_to_bool(value); } CONF("show_graph_range") { show_graph_range = string_to_bool(value); } CONF("border_inner_margin") { if (value) { window.border_inner_margin = strtol(value, 0, 0); if (window.border_inner_margin < 0) window.border_inner_margin = 0; } else { CONF_ERR; } } CONF("border_outer_margin") { if (value) { window.border_outer_margin = strtol(value, 0, 0); if (window.border_outer_margin < 0) window.border_outer_margin = 0; } else { CONF_ERR; } } CONF("border_width") { if (value) { window.border_width = strtol(value, 0, 0); if (window.border_width < 0) window.border_width = 0; } else { CONF_ERR; } } #endif /* X11 */ #define TEMPLATE_CONF(n) \ CONF("template"#n) { \ if (set_template(n, value)) \ CONF_ERR; \ } TEMPLATE_CONF(0) TEMPLATE_CONF(1) TEMPLATE_CONF(2) TEMPLATE_CONF(3) TEMPLATE_CONF(4) TEMPLATE_CONF(5) TEMPLATE_CONF(6) TEMPLATE_CONF(7) TEMPLATE_CONF(8) TEMPLATE_CONF(9) CONF("imap") { if (value) { parse_global_imap_mail_args(value); } else { CONF_ERR; } } CONF("pop3") { if (value) { parse_global_pop3_mail_args(value); } else { CONF_ERR; } } CONF("default_bar_size") { char err = 0; if (value) { if (sscanf(value, "%d %d", &default_bar_width, &default_bar_height) != 2) { err = 1; } } else { err = 1; } if (err) { CONF_ERR2("default_bar_size takes 2 integer arguments (ie. 'default_bar_size 0 6')") } } #ifdef X11 CONF("default_graph_size") { char err = 0; if (value) { if (sscanf(value, "%d %d", &default_graph_width, &default_graph_height) != 2) { err = 1; } } else { err = 1; } if (err) { CONF_ERR2("default_graph_size takes 2 integer arguments (ie. 'default_graph_size 0 6')") } } CONF("default_gauge_size") { char err = 0; if (value) { if (sscanf(value, "%d %d", &default_gauge_width, &default_gauge_height) != 2) { err = 1; } } else { err = 1; } if (err) { CONF_ERR2("default_gauge_size takes 2 integer arguments (ie. 'default_gauge_size 0 6')") } } #endif #ifdef MPD CONF("mpd_host") { if (value) { mpd_set_host(value); } else { CONF_ERR; } } CONF("mpd_port") { if (value && mpd_set_port(value)) { CONF_ERR; } } CONF("mpd_password") { if (value) { mpd_set_password(value, 0); } else { CONF_ERR; } } #endif CONF("music_player_interval") { if (value) { info.music_player_interval = strtod(value, 0); } else { CONF_ERR; } } #ifdef __OpenBSD__ CONF("sensor_device") { if (value) { sensor_device = strtol(value, 0, 0); } else { CONF_ERR; } } #endif CONF("cpu_avg_samples") { if (value) { cpu_avg_samples = strtol(value, 0, 0); if (cpu_avg_samples < 1 || cpu_avg_samples > 14) { CONF_ERR; } else { info.cpu_avg_samples = cpu_avg_samples; } } else { CONF_ERR; } } CONF("net_avg_samples") { if (value) { net_avg_samples = strtol(value, 0, 0); if (net_avg_samples < 1 || net_avg_samples > 14) { CONF_ERR; } else { info.net_avg_samples = net_avg_samples; } } else { CONF_ERR; } } CONF("diskio_avg_samples") { if (value) { diskio_avg_samples = strtol(value, 0, 0); if (diskio_avg_samples < 1 || diskio_avg_samples > 14) { CONF_ERR; } else { info.diskio_avg_samples = diskio_avg_samples; } } else { CONF_ERR; } } #ifdef HAVE_XDBE CONF("double_buffer") { use_xdbe = string_to_bool(value); } #endif #ifdef X11 CONF("override_utf8_locale") { utf8_mode = string_to_bool(value); } CONF("draw_borders") { draw_borders = string_to_bool(value); } CONF("draw_graph_borders") { draw_graph_borders = string_to_bool(value); } CONF("draw_shades") { draw_shades = string_to_bool(value); } CONF("draw_outline") { draw_outline = string_to_bool(value); } #endif /* X11 */ CONF("times_in_seconds") { set_times_in_seconds(string_to_bool(value)); } CONF("max_text_width") { max_text_width = atoi(value); } CONF("out_to_console") { if(string_to_bool(value)) { output_methods |= TO_STDOUT; } else { output_methods &= ~TO_STDOUT; } } CONF("extra_newline") { extra_newline = string_to_bool(value); } CONF("out_to_stderr") { if(string_to_bool(value)) output_methods |= TO_STDERR; } #ifdef NCURSES CONF("out_to_ncurses") { if(string_to_bool(value)) { initscr(); start_color(); output_methods |= TO_NCURSES; } } #endif CONF("overwrite_file") { if(overwrite_file) { free(overwrite_file); overwrite_file = 0; } if(overwrite_works(value)) { overwrite_file = strdup(value); output_methods |= OVERWRITE_FILE; } else NORM_ERR("overwrite_file won't be able to create/overwrite '%s'", value); } CONF("append_file") { if(append_file) { free(append_file); append_file = 0; } if(append_works(value)) { append_file = strdup(value); output_methods |= APPEND_FILE; } else NORM_ERR("append_file won't be able to create/append '%s'", value); } CONF("use_spacer") { if (value) { if (strcasecmp(value, "left") == EQUAL) { use_spacer = LEFT_SPACER; } else if (strcasecmp(value, "right") == EQUAL) { use_spacer = RIGHT_SPACER; } else if (strcasecmp(value, "none") == EQUAL) { use_spacer = NO_SPACER; } else { use_spacer = string_to_bool(value); NORM_ERR("use_spacer should have an argument of left, right, or" " none. '%s' seems to be some form of '%s', so" " defaulting to %s.", value, use_spacer ? "true" : "false", use_spacer ? "right" : "none"); if (use_spacer) { use_spacer = RIGHT_SPACER; } else { use_spacer = NO_SPACER; } } } else { NORM_ERR("use_spacer should have an argument. Defaulting to right."); use_spacer = RIGHT_SPACER; } } #ifdef X11 #ifdef XFT CONF("use_xft") { use_xft = string_to_bool(value); } CONF("font") { if (value) { set_first_font(value); } } CONF("xftalpha") { if (value && font_count >= 0) { fonts[0].font_alpha = atof(value) * 65535.0; } } CONF("xftfont") { if (use_xft) { #else CONF("use_xft") { if (string_to_bool(value)) { NORM_ERR("Xft not enabled at compile time"); } } CONF("xftfont") { /* xftfont silently ignored when no Xft */ } CONF("xftalpha") { /* xftalpha is silently ignored when no Xft */ } CONF("font") { #endif if (value) { set_first_font(value); } #ifdef XFT } #endif } CONF("gap_x") { if (value) { gap_x = atoi(value); } else { CONF_ERR; } } CONF("gap_y") { if (value) { gap_y = atoi(value); } else { CONF_ERR; } } #endif /* X11 */ CONF("mail_spool") { if (value) { char buffer[256]; variable_substitute(value, buffer, 256); if (buffer[0] != '\0') { if (current_mail_spool) { free(current_mail_spool); } current_mail_spool = strndup(buffer, text_buffer_size); } } else { CONF_ERR; } } #ifdef X11 CONF("minimum_size") { if (value) { if (sscanf(value, "%d %d", &minimum_width, &minimum_height) != 2) { if (sscanf(value, "%d", &minimum_width) != 1) { CONF_ERR; } } } else { CONF_ERR; } } CONF("maximum_width") { if (value) { if (sscanf(value, "%d", &maximum_width) != 1) { CONF_ERR; } } else { CONF_ERR; } } #endif /* X11 */ CONF("no_buffers") { no_buffers = string_to_bool(value); } CONF("top_name_width") { if (set_top_name_width(value)) CONF_ERR; } CONF("top_cpu_separate") { cpu_separate = string_to_bool(value); } CONF("short_units") { short_units = string_to_bool(value); } CONF("format_human_readable") { format_human_readable = string_to_bool(value); } #ifdef HDDTEMP CONF("hddtemp_host") { set_hddtemp_host(value); } CONF("hddtemp_port") { set_hddtemp_port(value); } #endif /* HDDTEMP */ CONF("pad_percents") { pad_percents = atoi(value); } #ifdef X11 #ifdef OWN_WINDOW CONF("own_window") { if (value) { own_window = string_to_bool(value); } } CONF("own_window_class") { if (value) { memset(window.class_name, 0, sizeof(window.class_name)); strncpy(window.class_name, value, sizeof(window.class_name) - 1); } } CONF("own_window_title") { if (value) { memset(window.title, 0, sizeof(window.title)); strncpy(window.title, value, sizeof(window.title) - 1); } } CONF("own_window_transparent") { if (value) { set_transparent = string_to_bool(value); } } CONF("own_window_hints") { if (value) { char *p_hint, *p_save; char delim[] = ", "; /* tokenize the value into individual hints */ if ((p_hint = strtok_r(value, delim, &p_save)) != NULL) { do { /* fprintf(stderr, "hint [%s] parsed\n", p_hint); */ if (strncmp(p_hint, "undecorate", 10) == EQUAL) { SET_HINT(window.hints, HINT_UNDECORATED); } else if (strncmp(p_hint, "below", 5) == EQUAL) { SET_HINT(window.hints, HINT_BELOW); } else if (strncmp(p_hint, "above", 5) == EQUAL) { SET_HINT(window.hints, HINT_ABOVE); } else if (strncmp(p_hint, "sticky", 6) == EQUAL) { SET_HINT(window.hints, HINT_STICKY); } else if (strncmp(p_hint, "skip_taskbar", 12) == EQUAL) { SET_HINT(window.hints, HINT_SKIP_TASKBAR); } else if (strncmp(p_hint, "skip_pager", 10) == EQUAL) { SET_HINT(window.hints, HINT_SKIP_PAGER); } else { CONF_ERR; } p_hint = strtok_r(NULL, delim, &p_save); } while (p_hint != NULL); } } else { CONF_ERR; } } CONF("own_window_type") { if (value) { if (strncmp(value, "normal", 6) == EQUAL) { window.type = TYPE_NORMAL; } else if (strncmp(value, "desktop", 7) == EQUAL) { window.type = TYPE_DESKTOP; } else if (strncmp(value, "dock", 4) == EQUAL) { window.type = TYPE_DOCK; text_alignment = TOP_LEFT; } else if (strncmp(value, "panel", 5) == EQUAL) { window.type = TYPE_PANEL; } else if (strncmp(value, "override", 8) == EQUAL) { window.type = TYPE_OVERRIDE; } else { CONF_ERR; } } else { CONF_ERR; } } #endif CONF("stippled_borders") { if (value) { stippled_borders = strtol(value, 0, 0); } else { stippled_borders = 4; } } #ifdef IMLIB2 CONF("imlib_cache_size") { if (value) { cimlib_set_cache_size(atoi(value)); } } CONF("imlib_cache_flush_interval") { if (value) { cimlib_set_cache_flush_interval(atoi(value)); } } #endif /* IMLIB2 */ #endif /* X11 */ CONF("update_interval_on_battery") { if (value) { update_interval_bat = strtod(value, 0); } else { CONF_ERR; } } CONF("update_interval") { if (value) { set_update_interval(strtod(value, 0)); } else { CONF_ERR; } if (info.music_player_interval == 0) { // default to update_interval info.music_player_interval = update_interval; } } CONF("total_run_times") { if (value) { total_run_times = strtod(value, 0); } else { CONF_ERR; } } CONF("uppercase") { stuff_in_uppercase = string_to_bool(value); } CONF("max_specials") { if (value) { max_specials = atoi(value); } else { CONF_ERR; } } CONF("max_user_text") { if (value) { max_user_text = atoi(value); } else { CONF_ERR; } } CONF("text_buffer_size") { if (value) { text_buffer_size = atoi(value); if (text_buffer_size < DEFAULT_TEXT_BUFFER_SIZE) { NORM_ERR("text_buffer_size must be >=%i bytes", DEFAULT_TEXT_BUFFER_SIZE); text_buffer_size = DEFAULT_TEXT_BUFFER_SIZE; } } else { CONF_ERR; } } CONF("text") { #ifdef X11 if (output_methods & TO_X) { X11_initialisation(); } #endif if (global_text) { free(global_text); global_text = 0; } global_text = (char *) malloc(1); global_text[0] = '\0'; while (!feof(fp)) { unsigned int l = strlen(global_text); unsigned int bl; char buf[CONF_BUFF_SIZE]; if (fgets(buf, CONF_BUFF_SIZE, fp) == NULL) { break; } /* Remove \\-\n. */ bl = strlen(buf); if (bl >= 2 && buf[bl-2] == '\\' && buf[bl-1] == '\n') { buf[bl-2] = '\0'; bl -= 2; if (bl == 0) { continue; } } /* Check for continuation of \\-\n. */ if (l > 0 && buf[0] == '\n' && global_text[l-1] == '\\') { global_text[l-1] = '\0'; continue; } global_text = (char *) realloc(global_text, l + bl + 1); strcat(global_text, buf); if (strlen(global_text) > max_user_text) { break; } } global_text_lines = line + 1; break; } #ifdef TCP_PORT_MONITOR CONF("max_port_monitor_connections") { int max; if (!value || (sscanf(value, "%d", &max) != 1)) { /* an error. use default, warn and continue. */ tcp_portmon_set_max_connections(0); CONF_ERR; } else if (tcp_portmon_set_max_connections(max)) { /* max is < 0, default has been set*/ CONF_ERR; } } #endif CONF("if_up_strictness") { if (!value) { NORM_ERR("incorrect if_up_strictness value, defaulting to 'up'"); ifup_strictness = IFUP_UP; } else if (strcasecmp(value, "up") == EQUAL) { ifup_strictness = IFUP_UP; } else if (strcasecmp(value, "link") == EQUAL) { ifup_strictness = IFUP_LINK; } else if (strcasecmp(value, "address") == EQUAL) { ifup_strictness = IFUP_ADDR; } else { NORM_ERR("incorrect if_up_strictness value, defaulting to 'up'"); ifup_strictness = IFUP_UP; } } CONF("temperature_unit") { if (!value) { NORM_ERR("config option 'temperature_unit' needs an argument, either 'celsius' or 'fahrenheit'"); } else if (set_temp_output_unit(value)) { NORM_ERR("temperature_unit: incorrect argument"); } } #ifdef HAVE_LUA CONF("lua_load") { if (value) { char *ptr = strtok(value, " "); while (ptr) { llua_load(ptr); ptr = strtok(NULL, " "); } } else { CONF_ERR; } } #ifdef X11 CONF("lua_draw_hook_pre") { if (value) { llua_set_draw_pre_hook(value); } else { CONF_ERR; } } CONF("lua_draw_hook_post") { if (value) { llua_set_draw_post_hook(value); } else { CONF_ERR; } } CONF("lua_startup_hook") { if (value) { llua_set_startup_hook(value); } else { CONF_ERR; } } CONF("lua_shutdown_hook") { if (value) { llua_set_shutdown_hook(value); } else { CONF_ERR; } } #endif /* X11 */ #endif /* HAVE_LUA */ CONF("color0"){} CONF("color1"){} CONF("color2"){} CONF("color3"){} CONF("color4"){} CONF("color5"){} CONF("color6"){} CONF("color7"){} CONF("color8"){} CONF("color9"){} CONF("default_color"){} CONF3("default_shade_color", "default_shadecolor"){} CONF3("default_outline_color", "default_outlinecolor") {} CONF("own_window_colour") {} else { NORM_ERR("%s: %d: no such configuration: '%s'", f, line, name); } } fclose(fp); if (info.music_player_interval == 0) { // default to update_interval info.music_player_interval = update_interval; } if (!global_text) { // didn't supply any text CRIT_ERR(NULL, NULL, "missing text block in configuration; exiting"); } if (!output_methods) { CRIT_ERR(0, 0, "no output_methods have been selected; exiting"); } #if defined(NCURSES) #if defined(X11) if ((output_methods & TO_X) && (output_methods & TO_NCURSES)) { NORM_ERR("out_to_x and out_to_ncurses are incompatible, turning out_to_ncurses off"); output_methods &= ~TO_NCURSES; endwin(); } #endif /* X11 */ if ((output_methods & (TO_STDOUT | TO_STDERR)) && (output_methods & TO_NCURSES)) { NORM_ERR("out_to_ncurses conflicts with out_to_console and out_to_stderr, disabling the later ones"); output_methods &= ~(TO_STDOUT | TO_STDERR); } #endif /* NCURSES */ return TRUE; } #ifdef X11 static void load_config_file_x11(const char *f) { int line = 0; FILE *fp; fp = open_config_file(f); if (!fp) { return; } DBGP("reading contents from config file '%s'", f); while (!feof(fp)) { char buff[CONF_BUFF_SIZE], *name, *value; int ret = do_config_step(&line, fp, buff, &name, &value); if (ret == CONF_BREAK) { break; } else if (ret == CONF_CONTINUE) { continue; } CONF2("color0") { X11_initialisation(); if (x_initialised == YES) { if (value) { color0 = get_x11_color(value); } else { CONF_ERR; } } } CONF("color1") { X11_initialisation(); if (x_initialised == YES) { if (value) { color1 = get_x11_color(value); } else { CONF_ERR; } } } CONF("color2") { X11_initialisation(); if (x_initialised == YES) { if (value) { color2 = get_x11_color(value); } else { CONF_ERR; } } } CONF("color3") { X11_initialisation(); if (x_initialised == YES) { if (value) { color3 = get_x11_color(value); } else { CONF_ERR; } } } CONF("color4") { X11_initialisation(); if (x_initialised == YES) { if (value) { color4 = get_x11_color(value); } else { CONF_ERR; } } } CONF("color5") { X11_initialisation(); if (x_initialised == YES) { if (value) { color5 = get_x11_color(value); } else { CONF_ERR; } } } CONF("color6") { X11_initialisation(); if (x_initialised == YES) { if (value) { color6 = get_x11_color(value); } else { CONF_ERR; } } } CONF("color7") { X11_initialisation(); if (x_initialised == YES) { if (value) { color7 = get_x11_color(value); } else { CONF_ERR; } } } CONF("color8") { X11_initialisation(); if (x_initialised == YES) { if (value) { color8 = get_x11_color(value); } else { CONF_ERR; } } } CONF("color9") { X11_initialisation(); if (x_initialised == YES) { if (value) { color9 = get_x11_color(value); } else { CONF_ERR; } } } CONF("default_color") { X11_initialisation(); if (x_initialised == YES) { if (value) { default_fg_color = get_x11_color(value); } else { CONF_ERR; } } } CONF3("default_shade_color", "default_shadecolor") { X11_initialisation(); if (x_initialised == YES) { if (value) { default_bg_color = get_x11_color(value); } else { CONF_ERR; } } } CONF3("default_outline_color", "default_outlinecolor") { X11_initialisation(); if (x_initialised == YES) { if (value) { default_out_color = get_x11_color(value); } else { CONF_ERR; } } } #ifdef OWN_WINDOW CONF("own_window_colour") { X11_initialisation(); if (x_initialised == YES) { if (value) { background_colour = get_x11_color(value); } else { NORM_ERR("Invalid colour for own_window_colour (try omitting the " "'#' for hex colours"); } } } #endif CONF("text") { /* initialize X11 if nothing X11-related is mentioned before TEXT (and if X11 is the default outputmethod) */ if(output_methods & TO_X) { X11_initialisation(); } } #undef CONF #undef CONF2 #undef CONF3 #undef CONF_ERR #undef CONF_ERR2 #undef CONF_BREAK #undef CONF_CONTINUE #undef CONF_BUFF_SIZE } fclose(fp); } #endif /* X11 */ static void print_help(const char *prog_name) { printf("Usage: %s [OPTION]...\n" PACKAGE_NAME" is a system monitor that renders text on desktop or to own transparent\n" "window. Command line options will override configurations defined in config\n" "file.\n" " -v, --version version\n" " -q, --quiet quiet mode\n" " -D, --debug increase debugging output, ie. -DD for more debugging\n" " -c, --config=FILE config file to load\n" #ifdef CONFIG_OUTPUT " -C, --print-config print the builtin default config to stdout\n" " e.g. 'conky -C > ~/.conkyrc' will create a new default config\n" #endif " -d, --daemonize daemonize, fork to background\n" " -h, --help help\n" #ifdef X11 " -a, --alignment=ALIGNMENT text alignment on screen, {top,bottom,middle}_{left,right,middle}\n" " -f, --font=FONT font to use\n" " -X, --display=DISPLAY X11 display to use\n" #ifdef OWN_WINDOW " -o, --own-window create own window to draw\n" #endif #ifdef HAVE_XDBE " -b, --double-buffer double buffer (prevents flickering)\n" #endif " -w, --window-id=WIN_ID window id to draw\n" " -x X x position\n" " -y Y y position\n" #endif /* X11 */ " -t, --text=TEXT text to render, remember single quotes, like -t '$uptime'\n" " -u, --interval=SECS update interval\n" " -i COUNT number of times to update "PACKAGE_NAME" (and quit)\n" " -p, --pause=SECS pause for SECS seconds at startup before doing anything\n", prog_name ); } /* : means that character before that takes an argument */ static const char *getopt_string = "vVqdDt:u:i:hc:p:" #ifdef X11 "x:y:w:a:f:X:" #ifdef OWN_WINDOW "o" #endif #ifdef HAVE_XDBE "b" #endif #endif /* X11 */ #ifdef CONFIG_OUTPUT "C" #endif ; static const struct option longopts[] = { { "help", 0, NULL, 'h' }, { "version", 0, NULL, 'V' }, { "debug", 0, NULL, 'D' }, { "config", 1, NULL, 'c' }, #ifdef CONFIG_OUTPUT { "print-config", 0, NULL, 'C' }, #endif { "daemonize", 0, NULL, 'd' }, #ifdef X11 { "alignment", 1, NULL, 'a' }, { "font", 1, NULL, 'f' }, { "display", 1, NULL, 'X' }, #ifdef OWN_WINDOW { "own-window", 0, NULL, 'o' }, #endif #ifdef HAVE_XDBE { "double-buffer", 0, NULL, 'b' }, #endif { "window-id", 1, NULL, 'w' }, #endif /* X11 */ { "text", 1, NULL, 't' }, { "interval", 0, NULL, 'u' }, { "pause", 0, NULL, 'p' }, { 0, 0, 0, 0 } }; void initialisation(int argc, char **argv) { struct sigaction act, oact; set_default_configurations(); load_config_file(current_config); currentconffile = conftree_add(currentconffile, current_config); /* init specials array */ if ((specials = calloc(sizeof(struct special_t), max_specials)) == 0) { NORM_ERR("failed to create specials array"); } #ifdef MAIL_FILE if (current_mail_spool == NULL) { char buf[256]; variable_substitute(MAIL_FILE, buf, 256); if (buf[0] != '\0') { current_mail_spool = strndup(buf, text_buffer_size); } } #endif /* handle other command line arguments */ #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) \ || defined(__NetBSD__) optind = optreset = 1; #else optind = 0; #endif #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) if ((kd = kvm_open("/dev/null", "/dev/null", "/dev/null", O_RDONLY, "kvm_open")) == NULL) { CRIT_ERR(NULL, NULL, "cannot read kvm"); } #endif while (1) { int c = getopt_long(argc, argv, getopt_string, longopts, NULL); int startup_pause; if (c == -1) { break; } switch (c) { case 'd': fork_to_background = 1; break; case 'D': global_debug_level++; break; #ifdef X11 case 'f': set_first_font(optarg); break; case 'a': text_alignment = string_to_alignment(optarg); break; #ifdef OWN_WINDOW case 'o': own_window = 1; break; #endif #ifdef HAVE_XDBE case 'b': use_xdbe = 1; break; #endif #endif /* X11 */ case 't': if (global_text) { free(global_text); global_text = 0; } global_text = strndup(optarg, max_user_text); convert_escapes(global_text); break; case 'u': update_interval = strtod(optarg, 0); update_interval_old = update_interval; if (info.music_player_interval == 0) { // default to update_interval info.music_player_interval = update_interval; } break; case 'i': total_run_times = strtod(optarg, 0); break; #ifdef X11 case 'x': gap_x = atoi(optarg); break; case 'y': gap_y = atoi(optarg); break; #endif /* X11 */ case 'p': startup_pause = atoi(optarg); sleep(startup_pause); break; case '?': exit(EXIT_FAILURE); } } #ifdef X11 /* load font */ if (output_methods & TO_X) { load_config_file_x11(current_config); } #endif /* X11 */ /* generate text and get initial size */ extract_variable_text(global_text); if (global_text) { free(global_text); global_text = 0; } global_text = NULL; /* fork */ if (fork_to_background) { int pid = fork(); switch (pid) { case -1: NORM_ERR(PACKAGE_NAME": couldn't fork() to background: %s", strerror(errno)); break; case 0: /* child process */ usleep(25000); fprintf(stderr, "\n"); fflush(stderr); break; default: /* parent process */ fprintf(stderr, PACKAGE_NAME": forked to background, pid is %d\n", pid); fflush(stderr); exit(EXIT_SUCCESS); } } start_update_threading(); text_buffer = malloc(max_user_text); memset(text_buffer, 0, max_user_text); tmpstring1 = malloc(text_buffer_size); memset(tmpstring1, 0, text_buffer_size); tmpstring2 = malloc(text_buffer_size); memset(tmpstring2, 0, text_buffer_size); #ifdef X11 xargc = argc; xargv = argv; X11_create_window(); #endif /* X11 */ #ifdef HAVE_LUA llua_setup_info(&info, update_interval); #endif /* HAVE_LUA */ #ifdef XOAP xmlInitParser(); #endif /* XOAP */ /* Set signal handlers */ act.sa_handler = signal_handler; sigemptyset(&act.sa_mask); act.sa_flags = 0; #ifdef SA_RESTART act.sa_flags |= SA_RESTART; #endif if ( sigaction(SIGINT, &act, &oact) < 0 || sigaction(SIGALRM, &act, &oact) < 0 || sigaction(SIGUSR1, &act, &oact) < 0 || sigaction(SIGHUP, &act, &oact) < 0 || sigaction(SIGTERM, &act, &oact) < 0) { NORM_ERR("error setting signal handler: %s", strerror(errno)); } #ifdef HAVE_LUA llua_startup_hook(); #endif /* HAVE_LUA */ } int main(int argc, char **argv) { #ifdef X11 char *s, *temp; unsigned int x; #endif argc_copy = argc; argv_copy = argv; g_signal_pending = 0; max_user_text = MAX_USER_TEXT_DEFAULT; current_config = 0; memset(&info, 0, sizeof(info)); free_templates(); clear_net_stats(); #ifdef TCP_PORT_MONITOR /* set default connection limit */ tcp_portmon_set_max_connections(0); #endif /* handle command line parameters that don't change configs */ #ifdef X11 if (((s = getenv("LC_ALL")) && *s) || ((s = getenv("LC_CTYPE")) && *s) || ((s = getenv("LANG")) && *s)) { temp = (char *) malloc((strlen(s) + 1) * sizeof(char)); if (temp == NULL) { NORM_ERR("malloc failed"); } for (x = 0; x < strlen(s); x++) { temp[x] = tolower(s[x]); } temp[x] = 0; if (strstr(temp, "utf-8") || strstr(temp, "utf8")) { utf8_mode = 1; } free(temp); } if (!setlocale(LC_CTYPE, "")) { NORM_ERR("Can't set the specified locale!\nCheck LANG, LC_CTYPE, LC_ALL."); } #endif /* X11 */ while (1) { int c = getopt_long(argc, argv, getopt_string, longopts, NULL); if (c == -1) { break; } switch (c) { case 'v': case 'V': print_version(); case 'c': if (current_config) { free(current_config); } current_config = strndup(optarg, max_user_text); break; case 'q': freopen("/dev/null", "w", stderr); break; case 'h': print_help(argv[0]); return 0; #ifdef CONFIG_OUTPUT case 'C': print_defconfig(); return 0; #endif #ifdef X11 case 'w': window.window = strtol(optarg, 0, 0); break; case 'X': if (disp) free(disp); disp = strdup(optarg); break; #endif /* X11 */ case '?': exit(EXIT_FAILURE); } } /* check if specified config file is valid */ if (current_config) { struct stat sb; if (stat(current_config, &sb) || (!S_ISREG(sb.st_mode) && !S_ISLNK(sb.st_mode))) { NORM_ERR("invalid configuration file '%s'\n", current_config); free(current_config); current_config = 0; } } /* load current_config, CONFIG_FILE or SYSTEM_CONFIG_FILE */ if (!current_config) { /* load default config file */ char buf[DEFAULT_TEXT_BUFFER_SIZE]; FILE *fp; /* Try to use personal config file first */ to_real_path(buf, CONFIG_FILE); if (buf[0] && (fp = fopen(buf, "r"))) { current_config = strndup(buf, max_user_text); fclose(fp); } /* Try to use system config file if personal config not readable */ if (!current_config && (fp = fopen(SYSTEM_CONFIG_FILE, "r"))) { current_config = strndup(SYSTEM_CONFIG_FILE, max_user_text); fclose(fp); } /* No readable config found */ if (!current_config) { #ifdef CONFIG_OUTPUT current_config = strdup("==builtin=="); NORM_ERR("no readable personal or system-wide config file found," " using builtin default"); #else CRIT_ERR(NULL, NULL, "no readable personal or system-wide config file found"); #endif /* ! CONF_OUTPUT */ } } #ifdef XOAP /* Load xoap keys, if existing */ load_xoap_keys(); #endif /* XOAP */ #ifdef HAVE_SYS_INOTIFY_H inotify_fd = inotify_init1(IN_NONBLOCK); #endif /* HAVE_SYS_INOTIFY_H */ initialisation(argc, argv); main_loop(); #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) kvm_close(kd); #endif return 0; } void alarm_handler(void) { if(childpid > 0) { kill(childpid, SIGTERM); } } static void signal_handler(int sig) { /* signal handler is light as a feather, as it should be. * we will poll g_signal_pending with each loop of conky * and do any signal processing there, NOT here (except * SIGALRM because this is caused when conky is hanging) */ if(sig == SIGALRM) { alarm_handler(); } else { g_signal_pending = sig; } }