/* -*- mode: c++; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*- * vim: ts=4 sw=4 noet ai cindent syntax=cpp * * 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) 2005-2010 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 #include #include #include #ifdef HAVE_DIRENT_H #include #endif /* HAVE_DIRENT_H */ #include #include #ifdef HAVE_SYS_INOTIFY_H #include #endif /* HAVE_SYS_INOTIFY_H */ #ifdef BUILD_X11 #include "x11.h" #include #ifdef BUILD_XDAMAGE #include #endif #ifdef BUILD_IMLIB2 #include "imlib2.h" #endif /* BUILD_IMLIB2 */ #endif /* BUILD_X11 */ #include #include #include #include #include #include #ifdef BUILD_NCURSES #include #ifdef LEAKFREE_NCURSES #include "nc.h" #endif #endif #ifdef BUILD_WEATHER_XOAP #include #endif /* BUILD_WEATHER_XOAP */ /* local headers */ #include "core.h" #include "build.h" #include "colours.h" #include "diskio.h" #include "exec.h" #ifdef BUILD_X11 #include "fonts.h" #endif #ifdef BUILD_ICONV #include "iconv_tools.h" #endif #ifdef BUILD_LUA #include "llua.h" #endif /* BUILD_LUA */ #include "logging.h" #include "mail.h" #include "net_stat.h" #include "temphelper.h" #include "template.h" #include "timeinfo.h" #include "top.h" #ifdef BUILD_MYSQL #include "mysql.h" #endif /* BUILD_MYSQL */ /* 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 #ifdef BUILD_BUILTIN_CONFIG #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; /* disable inotify auto reload feature if desired */ int disable_auto_reload = 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 spacer_state { NO_SPACER = 0, LEFT_SPACER, RIGHT_SPACER } use_spacer; int top_cpu, top_mem, top_time; #ifdef BUILD_IOSTATS int top_io; #endif int top_running; 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 ifup_strictness = IFUP_UP; #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) extern kvm_t *kd; #endif 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) { std::cout << PACKAGE_NAME" "VERSION" compiled "BUILD_DATE" for "BUILD_ARCH"\n" "\nCompiled in features:\n\n" "System config file: "SYSTEM_CONFIG_FILE"\n" "Package library path: "PACKAGE_LIBDIR"\n\n" #ifdef BUILD_X11 " X11:\n" # ifdef BUILD_XDAMAGE " * Xdamage extension\n" # endif /* BUILD_XDAMAGE */ # ifdef BUILD_XDBE " * XDBE (double buffer extension)\n" # endif /* BUILD_XDBE */ # ifdef BUILD_XFT " * Xft\n" # endif /* BUILD_XFT */ # ifdef BUILD_ARGB " * ARGB visual\n" # endif /* BUILD_ARGB */ #endif /* BUILD_X11 */ "\n Music detection:\n" #ifdef BUILD_AUDACIOUS " * Audacious\n" #endif /* BUILD_AUDACIOUS */ #ifdef BUILD_BMPX " * BMPx\n" #endif /* BUILD_BMPX */ #ifdef BUILD_MPD " * MPD\n" #endif /* BUILD_MPD */ #ifdef BUILD_MOC " * MOC\n" #endif /* BUILD_MOC */ #ifdef BUILD_XMMS2 " * XMMS2\n" #endif /* BUILD_XMMS2 */ "\n General:\n" #ifdef HAVE_OPENMP " * OpenMP\n" #endif /* HAVE_OPENMP */ #ifdef BUILD_MATH " * math\n" #endif /* BUILD_MATH */ #ifdef BUILD_HDDTEMP " * hddtemp\n" #endif /* BUILD_HDDTEMP */ #ifdef BUILD_PORT_MONITORS " * portmon\n" #endif /* BUILD_PORT_MONITORS */ #ifdef BUILD_IRC " * IRC\n" #endif #ifdef BUILD_CURL " * Curl\n" #endif /* BUILD_CURL */ #ifdef BUILD_RSS " * RSS\n" #endif /* BUILD_RSS */ #ifdef BUILD_WEATHER_METAR " * Weather (METAR)\n" #ifdef BUILD_WEATHER_XOAP " * Weather (XOAP)\n" #endif /* BUILD_WEATHER_XOAP */ #endif /* BUILD_WEATHER_METAR */ #ifdef BUILD_WLAN " * wireless\n" #endif /* BUILD_WLAN */ #ifdef BUILD_IBM " * support for IBM/Lenovo notebooks\n" #endif /* BUILD_IBM */ #ifdef BUILD_NVIDIA " * nvidia\n" #endif /* BUILD_NVIDIA */ #ifdef BUILD_EVE " * eve-online\n" #endif /* BUILD_EVE */ #ifdef BUILD_BUILTIN_CONFIG " * builtin default configuration\n" #endif /* BUILD_BUILTIN_CONFIG */ #ifdef BUILD_IMLIB2 " * Imlib2\n" #endif /* BUILD_IMLIB2 */ #ifdef BUILD_MIXER_ALSA " * ALSA mixer support\n" #endif /* BUILD_MIXER_ALSA */ #ifdef BUILD_APCUPSD " * apcupsd\n" #endif /* BUILD_APCUPSD */ #ifdef BUILD_IOSTATS " * iostats\n" #endif /* BUILD_IOSTATS */ #ifdef BUILD_NCURSES " * ncurses\n" #endif /* BUILD_NCURSES */ #ifdef BUILD_LUA " * Lua\n" "\n Lua bindings:\n" #ifdef BUILD_LUA_CAIRO " * Cairo\n" #endif /* BUILD_LUA_CAIRO */ #ifdef BUILD_LUA_IMLIB2 " * Imlib2\n" #endif /* BUILD_LUA_IMLIB2 */ #endif /* BUILD_LUA */ ; exit(EXIT_SUCCESS); } static const char *suffixes[] = { "B", "KiB", "MiB", "GiB", "TiB", "PiB", "" }; #ifdef BUILD_X11 static void X11_create_window(void); static void X11_initialisation(void); struct _x11_stuff_s { Region region; #ifdef BUILD_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 = 1, text_height = 1; /* initially 1 so no zero-sized window is created */ /* alignments */ enum alignment { ALIGNMENT_ERROR, TOP_LEFT, 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 /* BUILD_X11 */ /* struct that has all info to be shared between * instances of the same text object */ struct information info; /* path to config file */ std::string current_config; bool stdinconfig = false; /* 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; /* set to 0 after the first time conky is run, so we don't fork again after the * first forking */ static int first_pass = 1; 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 BUILD_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 /* BUILD_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 */ bool utf8_mode = false; /* 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 get_total_updates(void) { return total_updates; } #define SECRIT_MULTILINE_CHAR '\x02' int calc_text_width(const char *s) { size_t slen = strlen(s); #ifdef BUILD_X11 if ((output_methods & TO_X) == 0) { #endif /* BUILD_X11 */ return slen; #ifdef BUILD_X11 } #ifdef BUILD_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 /* BUILD_XFT */ { return XTextWidth(fonts[selected_font].font, s, slen); } #endif /* BUILD_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 */ if(! b) return; 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 = (char*)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); } #if defined(__FreeBSD__) unsigned long long llabs(long long num) { if(num < 0) return -num; else return num; } #endif /* 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 = (struct conftree*)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); free_and_zero(tmpstring1); free_and_zero(tmpstring2); free_and_zero(text_buffer); 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) { extract_variable_text_internal(root, txt); generate_text_internal(p, p_max_size, *root); } /* 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++; } } /* IFBLOCK jumping algorithm * * This is easier as it looks like: * - each IF checks it's condition * - on FALSE: jump * - on TRUE: don't care * - each ELSE jumps unconditionally * - each ENDIF is silently being ignored * * Why this works (or: how jumping works): * Jumping means to overwrite the "obj" variable of the loop and set it to the * target (i.e. the corresponding ELSE or ENDIF). After that, 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. */ void generate_text_internal(char *p, int p_max_size, struct text_object root) { struct text_object *obj; size_t a; if(! p) return; #ifdef BUILD_ICONV char *buff_in; buff_in = (char *)malloc(p_max_size); memset(buff_in, 0, p_max_size); #endif /* BUILD_ICONV */ p[0] = 0; obj = root.next; while (obj && p_max_size > 0) { /* check callbacks for existence and act accordingly */ if (obj->callbacks.print) { (*obj->callbacks.print)(obj, p, p_max_size); } else if (obj->callbacks.iftest) { if (!(*obj->callbacks.iftest)(obj)) { DBGP2("jumping"); if (obj->ifblock_next) obj = obj->ifblock_next; } } else if (obj->callbacks.barval) { new_bar(obj, p, p_max_size, (*obj->callbacks.barval)(obj)); } else if (obj->callbacks.gaugeval) { new_gauge(obj, p, p_max_size, (*obj->callbacks.gaugeval)(obj)); #ifdef BUILD_X11 } else if (obj->callbacks.graphval) { new_graph(obj, p, p_max_size, (*obj->callbacks.graphval)(obj)); #endif /* BUILD_X11 */ } else if (obj->callbacks.percentage) { percent_print(p, p_max_size, (*obj->callbacks.percentage)(obj)); } a = strlen(p); #ifdef BUILD_ICONV iconv_convert(&a, buff_in, p, p_max_size); #endif /* BUILD_ICONV */ substitute_newlines(p, a - 2); p += a; p_max_size -= a; (*p) = 0; obj = obj->next; } #ifdef BUILD_X11 /* load any new fonts we may have had */ load_fonts(); #endif /* BUILD_X11 */ #ifdef BUILD_ICONV free(buff_in); #endif /* BUILD_ICONV */ } void evaluate(const char *text, char *p, int p_max_size) { struct text_object subroot; parse_conky_vars(&subroot, text, p, p_max_size); DBGP2("evaluated '%s' to '%s'", text, p); free_text_objects(&subroot); } double current_update_time, next_update_time, last_update_time; static void generate_text(void) { 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); 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; } int get_string_width(const char *s) { return *s ? calc_text_width(s) : 0; } #ifdef BUILD_X11 static int get_string_width_special(char *s, int special_index) { char *p, *final; special_t *current = specials; 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; for(i = 0; i < special_index; i++) current = current->next; for(i = 0; i < idx; i++) current = current->next; 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 (current->type == GRAPH || current->type == GAUGE || current->type == BAR) { width += current->width; } idx++; current = current->next; } 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]; long border_total = window.border_inner_margin + window.border_outer_margin + window.border_width; text_start_x = text_start_y = border_total; window.x = x - border_total; window.y = y - border_total; } 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 BUILD_LUA /* update lua window globals */ llua_update_window_table(text_start_x, text_start_y, text_width, text_height); #endif /* BUILD_LUA */ } /* drawing stuff */ static int cur_x, cur_y; /* current x and y for drawing */ #endif //draw_mode also without BUILD_X11 because we only need to print to stdout with FG static int draw_mode; /* FG, BG or OUTLINE */ #ifdef BUILD_X11 static long current_color; static int text_size_updater(char *s, int special_index) { int w = 0; int lw; int contain_SECRIT_MULTILINE_CHAR = 0; char *p; special_t *current = specials; for(int i = 0; i < special_index; i++) current = current->next; 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 (current->type == BAR || current->type == GAUGE || current->type == GRAPH) { w += current->width; if (current->height > last_font_height) { last_font_height = current->height; last_font_height += font_height(); } } else if (current->type == OFFSET) { if (current->arg > 0) { w += current->arg; } } else if (current->type == VOFFSET) { last_font_height += current->arg; } else if (current->type == GOTO) { if (current->arg > cur_x) { w = (int) current->arg; } } else if (current->type == TAB) { int start = current->arg; int step = current->width; if (!step || step < 0) { step = 10; } w += step - (cur_x - text_start_x - start) % step; } else if (current->type == FONT) { selected_font = current->font_added; if (font_height() > last_font_height) { last_font_height = font_height(); } } special_index++; current = current->next; s = p + 1; } else if (*p == SECRIT_MULTILINE_CHAR) { contain_SECRIT_MULTILINE_CHAR = 1; *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++; } /* Check also last substring if string contains SECRIT_MULTILINE_CHAR */ if (contain_SECRIT_MULTILINE_CHAR) { lw = get_string_width(s); w = lw > w ? lw : w; } else { 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 /* BUILD_X11 */ static inline void set_foreground_color(long c) { #ifdef BUILD_X11 if (output_methods & TO_X) { #ifdef BUILD_ARGB if (have_argb_visual) { current_color = c | (own_window_argb_value << 24); } else { #endif /* BUILD_ARGB */ current_color = c; #ifdef BUILD_ARGB } #endif /* BUILD_ARGB */ XSetForeground(display, window.gc, current_color); } #endif /* BUILD_X11 */ #ifdef BUILD_NCURSES if (output_methods & TO_NCURSES) { attron(COLOR_PAIR(c)); } #endif /* BUILD_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 BUILD_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 BUILD_X11 if (output_methods & TO_X) { max = ((text_width - width_of_s) / get_string_width(" ")); } #endif /* BUILD_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 BUILD_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 /* BUILD_X11 */ s = tmpstring2; #ifdef BUILD_X11 if (output_methods & TO_X) { #ifdef BUILD_XFT if (use_xft) { XColor c; XftColor c2; c.pixel = current_color; // query color on custom colormap XQueryColor(display, window.colourmap, &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 /* BUILD_X11 */ memcpy(tmpstring1, s, text_buffer_size); } int draw_each_line_inner(char *s, int special_index, int last_special_applied) { #ifdef BUILD_X11 int font_h = 0; int cur_y_add = 0; #endif /* BUILD_X11 */ char *recurse = 0; char *p = s; int last_special_needed = -1; int orig_special_index = special_index; #ifdef BUILD_X11 if (output_methods & TO_X) { font_h = font_height(); cur_y += font_ascent(); } cur_x = text_start_x; #endif /* BUILD_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 BUILD_X11 int w = 0; #endif /* BUILD_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 */ special_t *current = specials; for(int i = 0; i < special_index; i++) current = current->next; switch (current->type) { #ifdef BUILD_X11 case HORIZONTAL_LINE: { int h = current->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 = current->height; char tmp_s = current->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, by; double bar_usage, scale; if (cur_x - text_start_x > maximum_width && maximum_width > 0) { break; } h = current->height; bar_usage = current->arg; scale = current->scale; by = cur_y - (font_ascent() / 2) - 1; if (h < font_h) { by -= h / 2 - 1; } w = current->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 / scale, 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; double usage, scale; #endif /* MATH */ if (cur_x - text_start_x > maximum_width && maximum_width > 0) { break; } h = current->height; by = cur_y - (font_ascent() / 2) - 1; if (h < font_h) { by -= h / 2 - 1; } w = current->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 = current->arg; scale = current->scale; angle = M_PI * usage / scale; 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 = current->height; by = cur_y - (font_ascent() / 2) - 1; if (h < font_h) { by -= h / 2 - 1; } w = current->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 (current->last_colour != 0 || current->first_colour != 0) { tmpcolour = do_gradient(w - 1, current->last_colour, current->first_colour); } colour_idx = 0; for (i = w - 2; i > -1; i--) { if (current->last_colour != 0 || current->first_colour != 0) { if (current->tempgrad) { #ifdef DEBUG_lol assert( (int)((float)(w - 2) - current->graph[j] * (w - 2) / (float)current->scale) < w - 1 ); assert( (int)((float)(w - 2) - current->graph[j] * (w - 2) / (float)current->scale) > -1 ); if (current->graph[j] == current->scale) { assert( (int)((float)(w - 2) - current->graph[j] * (w - 2) / (float)current->scale) == 0 ); } #endif /* DEBUG_lol */ XSetForeground(display, window.gc, tmpcolour[ (int)((float)(w - 2) - current->graph[j] * (w - 2) / (float)current->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 - current->graph[j] * (h - 1) / current->scale)); if ((w - i) / ((float) (w - 2) / (current->graph_width)) > j && j < MAX_GRAPH_DEPTH - 3) { j++; } } free_and_zero(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) == -1) { tmp_day_str = strdup(""); } timeunits = seconds / 3600; seconds %= 3600; if (timeunits <= 0 || asprintf(&tmp_hour_str, "%dh", timeunits) == -1) { tmp_hour_str = strdup(""); } timeunits = seconds / 60; seconds %= 60; if (timeunits <= 0 || asprintf(&tmp_min_str, "%dm", timeunits) == -1) { tmp_min_str = strdup(""); } if (seconds <= 0 || asprintf(&tmp_sec_str, "%ds", seconds) == -1) { tmp_sec_str = strdup(""); } if (asprintf(&tmp_str, "%s%s%s%s", tmp_day_str, tmp_hour_str, tmp_min_str, tmp_sec_str) == -1) tmp_str = strdup(""); free(tmp_day_str); free(tmp_hour_str); free(tmp_min_str); free(tmp_sec_str); } else { tmp_str = strdup("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 && (current->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(current->scale)) + 4, sizeof(char)); sprintf(tmp_str, "%.1f", current->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 = current->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 /* BUILD_X11 */ case FG: if (draw_mode == FG) { set_foreground_color(current->arg); } break; #ifdef BUILD_X11 case BG: if (draw_mode == BG) { set_foreground_color(current->arg); } break; case OUTLINE: if (draw_mode == OUTLINE) { set_foreground_color(current->arg); } break; case OFFSET: w += current->arg; last_special_needed = special_index; break; case VOFFSET: cur_y += current->arg; break; case GOTO: if (current->arg >= 0) { cur_x = (int) current->arg; } last_special_needed = special_index; break; case TAB: { int start = current->arg; int step = current->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 " "current->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, current->arg, window.border_inner_margin, window.border_width); */ if (pos_x > current->arg && pos_x > cur_x) { cur_x = pos_x - current->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 " "current->arg %i\n", pos_x, text_start_x, text_width, cur_x, get_string_width(s), gap_x, current->arg); */ if (pos_x > current->arg) { w = pos_x - current->arg; } last_special_needed = special_index; break; } #endif /* BUILD_X11 */ } #ifdef BUILD_X11 cur_x += w; #endif /* BUILD_X11 */ if (special_index != last_special_applied) { special_index++; } else { special_index = orig_special_index; last_special_applied = -1; } } p++; } #ifdef BUILD_X11 cur_y += cur_y_add; #endif /* BUILD_X11 */ draw_string(s); #ifdef BUILD_NCURSES if (output_methods & TO_NCURSES) { printw("\n"); } #endif /* BUILD_NCURSES */ #ifdef BUILD_X11 if (output_methods & TO_X) cur_y += font_descent(); #endif /* BUILD_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 BUILD_X11 if (output_methods & TO_X) { return draw_each_line_inner(s, special_index, -1); } #endif /* BUILD_X11 */ #ifdef BUILD_NCURSES if (output_methods & TO_NCURSES) { return draw_each_line_inner(s, special_index, -1); } #endif /* BUILD_NCURSES */ draw_string(s); UNUSED(special_index); return 0; } static void draw_text(void) { #ifdef BUILD_X11 #ifdef BUILD_LUA llua_draw_pre_hook(); #endif /* BUILD_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] = { (char)stippled_borders, (char)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 /* BUILD_X11 */ #ifdef BUILD_NCURSES init_pair(COLOR_WHITE, COLOR_WHITE, COLOR_BLACK); attron(COLOR_PAIR(COLOR_WHITE)); #endif /* BUILD_NCURSES */ for_each_line(text_buffer, draw_line); #if defined(BUILD_LUA) && defined(BUILD_X11) llua_draw_post_hook(); #endif /* BUILD_LUA */ } static void draw_stuff(void) { #ifdef BUILD_IMLIB2 cimlib_render(text_start_x, text_start_y, window.width, window.height); #endif /* BUILD_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 BUILD_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 /* BUILD_X11 */ draw_mode = FG; draw_text(); #if defined(BUILD_X11) && defined(BUILD_XDBE) if (output_methods & TO_X) { xdbe_swap_buffers(); } #endif /* BUILD_X11 && BUILD_XDBE */ if(overwrite_fpointer) { fclose(overwrite_fpointer); overwrite_fpointer = 0; } if (append_fpointer) { fclose(append_fpointer); append_fpointer = 0; } } #ifdef BUILD_X11 static void clear_text(int exposures) { #ifdef BUILD_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 */ long border_total = window.border_inner_margin + window.border_outer_margin + window.border_width; XClearArea(display, window.window, text_start_x - border_total, text_start_y - border_total, text_width + 2*border_total, text_height + 2*border_total, exposures ? True : 0); } } #endif /* BUILD_X11 */ static int need_to_update; /* update_text() generates new text and clears old text area */ static void update_text(void) { #ifdef BUILD_IMLIB2 cimlib_cleanup(); #endif /* BUILD_IMLIB2 */ generate_text(); #ifdef BUILD_X11 if (output_methods & TO_X) clear_text(1); #endif /* BUILD_X11 */ need_to_update = 1; #ifdef BUILD_LUA llua_update_info(&info, update_interval); #endif /* BUILD_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[64]; get_battery_short_status(buf, 64, "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 BUILD_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(); #if defined(OWN_WINDOW) || defined(BUILD_XDBE) long border_total = window.border_inner_margin + window.border_outer_margin + window.border_width; #endif #ifdef OWN_WINDOW if (own_window) { int changed = 0; /* resize window if it isn't right size */ if (!fixed_size && (text_width + 2*border_total != window.width || text_height + 2*border_total != window.height)) { window.width = text_width + 2*border_total; window.height = text_height + 2*border_total; draw_stuff(); /* redraw everything in our newly sized window */ XResizeWindow(display, window.window, window.width, window.height); /* resize window */ set_transparent_background(window.window, own_window_argb_value); #ifdef BUILD_XDBE /* swap buffers */ xdbe_swap_buffers(); #endif changed++; #ifdef BUILD_LUA /* update lua window globals */ llua_update_window_table(text_start_x, text_start_y, text_width, text_height); #endif /* BUILD_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 BUILD_XDBE if (use_xdbe) { XRectangle r; r.x = text_start_x - border_total; r.y = text_start_y - border_total; r.width = text_width + 2*border_total; r.height = text_height + 2*border_total; 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: /* make background transparent */ if (own_window) { set_transparent_background(window.window, own_window_argb_value); } 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 BUILD_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 /* BUILD_XDAMAGE */ break; } } #ifdef BUILD_XDAMAGE XDamageSubtract(display, x11_stuff.damage, x11_stuff.region2, None); XFixesSetRegion(display, x11_stuff.region2, 0, 0); #endif /* BUILD_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 BUILD_XDBE if (use_xdbe) { XRectangle r; long border_total = window.border_inner_margin + window.border_outer_margin + window.border_width; r.x = text_start_x - border_total; r.y = text_start_y - border_total; r.width = text_width + 2*border_total; r.height = text_height + 2*border_total; XUnionRectWithRegion(&r, x11_stuff.region, x11_stuff.region); } #endif XSetRegion(display, window.gc, x11_stuff.region); #ifdef BUILD_XFT if (use_xft) { XftDrawSetClip(window.xftdraw, x11_stuff.region); } #endif draw_stuff(); XDestroyRegion(x11_stuff.region); x11_stuff.region = XCreateRegion(); } } else { #endif /* BUILD_X11 */ t = (next_update_time - get_time()) * 1000000; if(t > 0) usleep((useconds_t)t); update_text(); draw_stuff(); #ifdef BUILD_NCURSES if(output_methods & TO_NCURSES) { refresh(); clear(); } #endif #ifdef BUILD_X11 } #endif /* BUILD_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 BUILD_X11 if (output_methods & TO_X) { XDestroyRegion(x11_stuff.region); x11_stuff.region = NULL; #ifdef BUILD_XDAMAGE XDamageDestroy(display, x11_stuff.damage); XFixesDestroyRegion(display, x11_stuff.region2); XFixesDestroyRegion(display, x11_stuff.part); #endif /* BUILD_XDAMAGE */ free_and_zero(disp); } #endif /* BUILD_X11 */ free_and_zero(overwrite_file); free_and_zero(append_file); 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 (!disable_auto_reload && inotify_fd != -1 && inotify_config_wd == -1 && !current_config.empty()) { inotify_config_wd = inotify_add_watch(inotify_fd, current_config.c_str(), IN_MODIFY); } if (!disable_auto_reload && inotify_fd != -1 && inotify_config_wd != -1 && !current_config.empty()) { 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.c_str()); 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.c_str(), IN_MODIFY); } break; } #ifdef BUILD_LUA else { llua_inotify_query(ev->wd, ev->mask); } #endif /* BUILD_LUA */ idx += INOTIFY_EVENT_SIZE + ev->len; } } } else if (disable_auto_reload && 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 BUILD_LUA llua_update_info(&info, update_interval); #endif /* BUILD_LUA */ g_signal_pending = 0; } clean_up(current_mail_spool, 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 BUILD_X11 static void load_config_file_x11(const char *); #endif /* BUILD_X11 */ void initialisation(int argc, char** argv); /* reload the config file */ static void reload_config(void) { clean_up(NULL, NULL); sleep(1); /* slight pause */ initialisation(argc_copy, argv_copy); } #ifdef BUILD_X11 void clean_up_x11() { if(window_created == 1) { long border_total = window.border_inner_margin + window.border_outer_margin + window.border_width; XClearArea(display, window.window, text_start_x - border_total, text_start_y - border_total, text_width + 2*border_total, text_height + 2*border_total, 0); } destroy_window(); free_fonts(); if(x11_stuff.region) { XDestroyRegion(x11_stuff.region); x11_stuff.region = NULL; } if(display) { XCloseDisplay(display); display = NULL; } free_and_zero(info.x11.desktop.all_names); free_and_zero(info.x11.desktop.name); x_initialised = NO; } #endif void free_specials(special_t *current) { if (current) { free_specials(current->next); if(current->type == GRAPH) free(current->graph); delete current; current = NULL; } } void clean_up_without_threads(void *memtofree1, void* memtofree2) { #ifdef BUILD_NCURSES if(output_methods & TO_NCURSES) { endwin(); } #endif conftree_empty(currentconffile); currentconffile = NULL; free_and_zero(memtofree1); free_and_zero(memtofree2); timed_thread::destroy_registered_threads(); free_and_zero(info.cpu_usage); #ifdef BUILD_X11 if (x_initialised == YES) { clean_up_x11(); }else{ free(fonts); //in set_default_configurations a font is set but not loaded font_count = -1; } #endif /* BUILD_X11 */ free_templates(); if (info.first_process) { free_all_processes(); info.first_process = NULL; } #ifdef BUILD_X11 free_desktop_info(); #endif /* BUILD_X11 */ free_text_objects(&global_root_object); free_and_zero(tmpstring1); free_and_zero(tmpstring2); free_and_zero(text_buffer); free_and_zero(global_text); #ifdef BUILD_PORT_MONITORS tcp_portmon_clear(); #endif #ifdef BUILD_CURL ccurl_free_info(); #endif #ifdef RSS rss_free_info(); #endif #ifdef BUILD_WEATHER weather_free_info(); #endif #ifdef BUILD_LUA llua_shutdown_hook(); llua_close(); #endif /* BUILD_LUA */ #ifdef BUILD_IMLIB2 if (output_methods & TO_X) cimlib_deinit(); #endif /* BUILD_IMLIB2 */ #ifdef BUILD_WEATHER_XOAP xmlCleanupParser(); #endif /* BUILD_WEATHER_XOAP */ free_specials(specials); clear_net_stats(); clear_diskio_stats(); free_and_zero(global_cpu); } void clean_up(void *memtofree1, void* memtofree2) { free_update_callbacks(); clean_up_without_threads(memtofree1, memtofree2); } static bool string_to_bool(const char *s) { if (!s) { // Assumes an option without a true/false means true return true; } else if (strcasecmp(s, "yes") == EQUAL) { return true; } else if (strcasecmp(s, "true") == EQUAL) { return true; } else if (strcasecmp(s, "1") == EQUAL) { return true; } return false; } #ifdef BUILD_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 ALIGNMENT_ERROR; } #endif /* BUILD_X11 */ #ifdef BUILD_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 /* BUILD_X11 */ static void set_default_configurations(void) { #ifdef BUILD_MPD char *mpd_env_host; char *mpd_env_port; #endif /* BUILD_MPD */ 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 BUILD_IOSTATS top_io = 0; #endif top_running = 0; #ifdef BUILD_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 = (char *)malloc(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); free(mpd_password); } } if (!mpd_env_port || mpd_set_port(mpd_env_port)) { /* failed to set port from environment variable */ mpd_set_port("6600"); } #endif /* BUILD_MPD */ #ifdef BUILD_MYSQL mysql_settings.host = NULL; mysql_settings.port = 0; mysql_settings.user = NULL; mysql_settings.password = NULL; mysql_settings.db = NULL; #endif /* BUILD_MYSQL */ #ifdef BUILD_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 /* BUILD_XMMS2 */ use_spacer = NO_SPACER; #ifdef BUILD_X11 output_methods = TO_X; #else output_methods = TO_STDOUT; #endif #ifdef BUILD_X11 #ifdef BUILD_XFT use_xft = 0; #endif 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); #ifdef BUILD_ARGB use_argb_visual = 0; own_window_argb_value = 255; #endif #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 /* BUILD_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 BUILD_PORT_MONITORS /* 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 false; fclose(filepointer); return true; } /* 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 false; fclose(filepointer); return true; } #ifdef BUILD_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 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, argv_copy, argc_copy); #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, argv_copy, argc_copy); #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, own_window_argb_value); } #endif create_gc(); draw_stuff(); x11_stuff.region = XCreateRegion(); #ifdef BUILD_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 /* BUILD_XDAMAGE */ selected_font = 0; update_text_area(); /* to get initial size of the window */ } #ifdef BUILD_LUA /* setup lua window globals */ llua_setup_window_table(text_start_x, text_start_y, text_width, text_height); #endif /* BUILD_LUA */ } #endif /* BUILD_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 BUILD_BUILTIN_CONFIG if (!strcmp(f, "==builtin==")) { return conf_cookie_open(); } else #endif /* BUILD_BUILTIN_CONFIG */ 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; } #ifdef BUILD_X11 void setalignment(int* text_alignment, const char* value, const char *f, int line, bool conffile) { #ifdef OWN_WINDOW if (window.type == TYPE_DOCK) { NORM_ERR("alignment is disabled when own_window_type is dock"); } else #endif /*OWN_WINDOW */ if (value) { int a = string_to_alignment(value); if (a <= 0) { if(conffile == true) { CONF_ERR; } else NORM_ERR("'%s' is not a alignment setting", value); } else { *text_alignment = a; } } else if(conffile == true) { CONF_ERR; } } #endif /* BUILD_X11 */ 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 BUILD_X11 CONF2("out_to_x") { if (string_to_bool(value)) { output_methods &= TO_X; } else { clean_up_x11(); output_methods &= ~TO_X; x_initialised = NEVER; } } CONF("display") { if (!value || x_initialised == YES) { CONF_ERR; } else { free_and_zero(disp); disp = strdup(value); } } CONF("alignment") { setalignment(&text_alignment, value, f, line, true); } CONF("background") { fork_to_background = string_to_bool(value); } #else CONF2("background") { fork_to_background = string_to_bool(value); } #endif /* BUILD_X11 */ #ifdef BUILD_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 /* BUILD_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 BUILD_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 BUILD_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 /* BUILD_MPD */ #ifdef BUILD_MYSQL CONF("mysql_host") { if (value) { mysql_set_host(value); } else { CONF_ERR; } } CONF("mysql_port") { if (value) { mysql_set_port(value); } else { CONF_ERR; } } CONF("mysql_user") { if (value) { mysql_set_user(value); } else { CONF_ERR; } } CONF("mysql_password") { if (value) { mysql_set_password(value); } else { CONF_ERR; } } CONF("mysql_db") { if (value) { mysql_set_db(value); } else { CONF_ERR; } } #endif /* BUILD_MYSQL */ 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 BUILD_XDBE CONF("double_buffer") { use_xdbe = string_to_bool(value); } #endif #ifdef BUILD_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 /* BUILD_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("disable_auto_reload") { disable_auto_reload = string_to_bool(value); } CONF("out_to_stderr") { if(string_to_bool(value)) output_methods |= TO_STDERR; } #ifdef BUILD_NCURSES CONF("out_to_ncurses") { if(string_to_bool(value)) { initscr(); start_color(); output_methods |= TO_NCURSES; } } #endif CONF("overwrite_file") { free_and_zero(overwrite_file); 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") { free_and_zero(append_file); 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) ? RIGHT_SPACER : NO_SPACER; 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 BUILD_X11 #ifdef BUILD_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 BUILD_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 /* BUILD_X11 */ CONF("mail_spool") { if (value) { char buffer[256]; variable_substitute(value, buffer, 256); if (buffer[0] != '\0') { free_and_zero(current_mail_spool); current_mail_spool = strndup(buffer, text_buffer_size); } } else { CONF_ERR; } } #ifdef BUILD_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 /* BUILD_X11 */ CONF("no_buffers") { no_buffers = string_to_bool(value); } #ifdef __linux__ CONF("top_name_width") { if (set_top_name_width(value)) CONF_ERR; } #endif /* __linux__ */ 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 BUILD_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; } } #ifdef BUILD_ARGB CONF("own_window_argb_visual") { use_argb_visual = string_to_bool(value); } CONF("own_window_argb_value") { own_window_argb_value = strtol(value, 0, 0); if (own_window_argb_value > 255 || own_window_argb_value < 0) { CONF_ERR2("own_window_argb_value must be <= 255 and >= 0"); } } #endif /* BUILD_ARGB */ #endif CONF("stippled_borders") { if (value) { stippled_borders = strtol(value, 0, 0); } else { stippled_borders = 4; } } #ifdef BUILD_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 /* BUILD_IMLIB2 */ #endif /* BUILD_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_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 BUILD_X11 if (output_methods & TO_X) { X11_initialisation(); } #endif free_and_zero(global_text); 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 BUILD_PORT_MONITORS 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 BUILD_LUA CONF("lua_load") { if (value) { char *ptr = strtok(value, " "); while (ptr) { llua_load(ptr); ptr = strtok(NULL, " "); } } else { CONF_ERR; } } #ifdef BUILD_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 /* BUILD_X11 */ #endif /* BUILD_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(BUILD_NCURSES) #if defined(BUILD_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 /* BUILD_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 /* BUILD_NCURSES */ return TRUE; } #ifdef BUILD_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 BUILD_X11 if nothing BUILD_X11-related is mentioned before TEXT (and if BUILD_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 /* BUILD_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 BUILD_BUILTIN_CONFIG " -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 BUILD_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 BUILD_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 /* BUILD_X11 */ " -s, --for-scripts=TEXT render TEXT on stdout and exit, enclose TEXT by single quotes\n" " -S, --stdin-config read configuration from stdin\n" " -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 ); } inline void reset_optind() { #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) \ || defined(__NetBSD__) optind = optreset = 1; #else optind = 0; #endif } /* : means that character before that takes an argument */ static const char *getopt_string = "vVqdDSs:t:u:i:hc:p:" #ifdef BUILD_X11 "x:y:w:a:f:X:" #ifdef OWN_WINDOW "o" #endif #ifdef BUILD_XDBE "b" #endif #endif /* BUILD_X11 */ #ifdef BUILD_BUILTIN_CONFIG "C" #endif ; static const struct option longopts[] = { { "help", 0, NULL, 'h' }, { "version", 0, NULL, 'V' }, { "quiet", 0, NULL, 'q' }, { "debug", 0, NULL, 'D' }, { "config", 1, NULL, 'c' }, #ifdef BUILD_BUILTIN_CONFIG { "print-config", 0, NULL, 'C' }, #endif { "daemonize", 0, NULL, 'd' }, #ifdef BUILD_X11 { "alignment", 1, NULL, 'a' }, { "font", 1, NULL, 'f' }, { "display", 1, NULL, 'X' }, #ifdef OWN_WINDOW { "own-window", 0, NULL, 'o' }, #endif #ifdef BUILD_XDBE { "double-buffer", 0, NULL, 'b' }, #endif { "window-id", 1, NULL, 'w' }, #endif /* BUILD_X11 */ { "for-scripts", 1, NULL, 's' }, { "stdin-config", 0, NULL, 'S' }, { "text", 1, NULL, 't' }, { "interval", 1, NULL, 'u' }, { "pause", 1, NULL, 'p' }, { 0, 0, 0, 0 } }; void set_current_config() { /* set configfile to stdin if that's requested or check if specified config file is valid */ if(stdinconfig) { char mystdin[32]; #define CONKYSTDIN "/proc/%u/fd/0" sprintf(mystdin, CONKYSTDIN, getpid()); current_config = mystdin; } else if (not current_config.empty()) { struct stat sb; if (stat(current_config.c_str(), &sb) || (!S_ISREG(sb.st_mode) && !S_ISLNK(sb.st_mode))) { NORM_ERR("invalid configuration file '%s'\n", current_config.c_str()); current_config.clear(); } } /* load current_config, CONFIG_FILE or SYSTEM_CONFIG_FILE */ if (current_config.empty()) { /* load default config file */ FILE *fp; /* Try to use personal config file first */ std::string buf = to_real_path(CONFIG_FILE); if (!buf.empty() && (fp = fopen(buf.c_str(), "r"))) { current_config = buf; fclose(fp); } /* Try to use system config file if personal config not readable */ if (current_config.empty() && (fp = fopen(SYSTEM_CONFIG_FILE, "r"))) { current_config = SYSTEM_CONFIG_FILE; fclose(fp); } /* No readable config found */ if (current_config.empty()) { #define NOCFGFILEFOUND "no readable personal or system-wide config file found" #ifdef BUILD_BUILTIN_CONFIG current_config = "==builtin=="; NORM_ERR(NOCFGFILEFOUND ", using builtin default"); #else CRIT_ERR(NULL, NULL, NOCFGFILEFOUND); #endif /* ! CONF_OUTPUT */ } } } void initialisation(int argc, char **argv) { struct sigaction act, oact; bool for_scripts = false; set_default_configurations(); reset_optind(); while (1) { int c = getopt_long(argc, argv, getopt_string, longopts, NULL); if (c == -1) { break; }else if (c == 's') { free_and_zero(global_text); global_text = strndup(optarg, max_user_text); convert_escapes(global_text); total_run_times = 1; output_methods = TO_STDOUT; for_scripts = true; } } if(for_scripts == false) { set_current_config(); load_config_file(current_config.c_str()); currentconffile = conftree_add(currentconffile, current_config.c_str()); } #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 */ reset_optind(); #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; #ifdef BUILD_X11 case 'f': set_first_font(optarg); break; case 'a': setalignment(&text_alignment, optarg, NULL, 0, false); break; #ifdef OWN_WINDOW case 'o': own_window = 1; break; #endif #ifdef BUILD_XDBE case 'b': use_xdbe = 1; break; #endif #endif /* BUILD_X11 */ case 't': free_and_zero(global_text); 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 BUILD_X11 case 'x': gap_x = atoi(optarg); break; case 'y': gap_y = atoi(optarg); break; #endif /* BUILD_X11 */ case 'p': if (first_pass) { startup_pause = atoi(optarg); sleep(startup_pause); } break; case '?': exit(EXIT_FAILURE); } } #ifdef BUILD_X11 /* load font */ if (output_methods & TO_X) { load_config_file_x11(current_config.c_str()); } #endif /* BUILD_X11 */ /* generate text and get initial size */ extract_variable_text(global_text); free_and_zero(global_text); /* fork */ if (fork_to_background && first_pass) { 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 = (char*)malloc(max_user_text); memset(text_buffer, 0, max_user_text); tmpstring1 = (char*)malloc(text_buffer_size); memset(tmpstring1, 0, text_buffer_size); tmpstring2 = (char*)malloc(text_buffer_size); memset(tmpstring2, 0, text_buffer_size); #ifdef BUILD_X11 X11_create_window(); #endif /* BUILD_X11 */ #ifdef BUILD_LUA llua_setup_info(&info, update_interval); #endif /* BUILD_LUA */ #ifdef BUILD_WEATHER_XOAP xmlInitParser(); #endif /* BUILD_WEATHER_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 BUILD_LUA llua_startup_hook(); #endif /* BUILD_LUA */ } #ifdef BUILD_X11 bool isutf8(const char* envvar) { char *s = getenv(envvar); if(s) { std::string temp = s; std::transform(temp.begin(), temp.end(), temp.begin(), ::tolower); if( (temp.find("utf-8") != std::string::npos) || (temp.find("utf8") != std::string::npos) ) { return true; } } return false; } #endif int main(int argc, char **argv) { argc_copy = argc; argv_copy = argv; g_signal_pending = 0; max_user_text = MAX_USER_TEXT_DEFAULT; memset(&info, 0, sizeof(info)); free_templates(); clear_net_stats(); #ifdef BUILD_PORT_MONITORS /* set default connection limit */ tcp_portmon_set_max_connections(0); #endif /* handle command line parameters that don't change configs */ #ifdef BUILD_X11 if(isutf8("LC_ALL") || isutf8("LC_CTYPE") || isutf8("LANG")) { utf8_mode = true; } if (!setlocale(LC_CTYPE, "")) { NORM_ERR("Can't set the specified locale!\nCheck LANG, LC_CTYPE, LC_ALL."); } #endif /* BUILD_X11 */ while (1) { int c = getopt_long(argc, argv, getopt_string, longopts, NULL); if (c == -1) { break; } switch (c) { case 'D': global_debug_level++; break; case 'v': case 'V': print_version(); /* doesn't return */ case 'c': current_config = optarg; break; case 'S': stdinconfig = true; break; case 'q': if (!freopen("/dev/null", "w", stderr)) CRIT_ERR(0, 0, "could not open /dev/null as stderr!"); break; case 'h': print_help(argv[0]); return 0; #ifdef BUILD_BUILTIN_CONFIG case 'C': print_defconfig(); return 0; #endif #ifdef BUILD_X11 case 'w': window.window = strtol(optarg, 0, 0); break; case 'X': free_and_zero(disp); disp = strdup(optarg); break; #endif /* BUILD_X11 */ case '?': exit(EXIT_FAILURE); } } set_current_config(); #ifdef BUILD_WEATHER_XOAP /* Load xoap keys, if existing */ load_xoap_keys(); #endif /* BUILD_WEATHER_XOAP */ #ifdef HAVE_SYS_INOTIFY_H inotify_fd = inotify_init(); if(inotify_fd != -1) { int fl; fl = fcntl(inotify_fd, F_GETFL); fcntl(inotify_fd, F_SETFL, fl | O_NONBLOCK); } #endif /* HAVE_SYS_INOTIFY_H */ initialisation(argc, argv); first_pass = 0; /* don't ever call fork() again */ main_loop(); #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) kvm_close(kd); #endif #ifdef LEAKFREE_NCURSES _nc_free_and_exit(0); //hide false memleaks #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; } }