+++ /dev/null
-/*
- * display outputs, per line:
- *
- * Remaining: | Empty: | Degraded:
- * blue | black | dimgrey discharging
- * green | black | dimgrey charging
- * cyan | black | dimgrey charged
- * grey | black | dimgrey charging&discharching!
- * lightgrey | black | dimgrey none of the above
- * blue | red | dimgrey discharging - low!
- * green | red | dimgrey charging - low
- * cyan | red | dimgrey charged - low [1]
- * grey | red | dimgrey charging&discharching, low [1]
- * ... darkgreen ... no batteries present
- * ... yellow ... error
- *
- * [1] battery must be quite badly degraded
- */
-/*
- * Copyright (C) 2004 Ian Jackson <ian@davenant.greenend.org.uk>
- *
- * This 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,
- * or (at your option) any later version.
- *
- * This 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 file; if not, consult the Free Software
- * Foundation's website at www.fsf.org, or the GNU Project website at
- * www.gnu.org.
- */
-
-#include <stdio.h>
-#include <assert.h>
-#include <math.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <ctype.h>
-#include <stdint.h>
-#include <limits.h>
-#include <inttypes.h>
-
-#include <sys/poll.h>
-#include <sys/types.h>
-#include <dirent.h>
-
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/Xresource.h>
-
-#define TOP 60
-#define BOTTOM 3600
-
-#define TIMEOUT 5000 /* milliseconds */
-#define TIMEOUT_ONERROR 3333 /* milliseconds */
-
-static const char program_name[]= "xacpi-simple";
-static int debug=-1, alarmlevel;
-
-/*---------- general utility stuff and declarations ----------*/
-
-static void fail(const char *m) {
- fprintf(stderr,"error: %s\n", m);
- exit(-1);
-}
-static void badusage(void) { fail("bad usage"); }
-
-typedef uint64_t value;
-#define VAL_NOTFOUND (~(value)0)
-
-typedef struct fileinfo fileinfo;
-typedef int parser(const fileinfo*);
-
-static parser parse_uevent;
-
-struct fileinfo {
- const char *filename;
- parser *parse;
- const void *extra;
-};
-
-/*---------- structure of and results from /sys/class/power/... ----------*/
-/* variables this_... are the results from readbattery();
- * if readbattery() succeeds the appropriate ones are all valid
- * and not VAL_NOTFOUND
- */
-
-typedef struct batinfo_field {
- const char *label;
- value *valuep;
- const char *enumarray[10];
-} batinfo_field;
-
-#define BAT_QTYS(_, _ec, EC_, PC_) \
- _(design_capacity##_ec, BATTERY, EC_##FULL_DESIGN ) \
- _(last_full_capacity##_ec, BATTERY, EC_##FULL ) \
- _(remaining_capacity##_ec, BATTERY, EC_##NOW ) \
- _(present_rate##_ec, BATTERY, PC_##NOW )
- /* ENERGY [mWh]; POWER [mW]; CHARGE [uAh]; CURRENT [uA] */
-
-#define UEVENT_ESSENTIAL_QUANTITY_FIELDS(_) \
- _(present, BATTERY, PRESENT /* bool */ ) \
- _(online, MAINS, ONLINE /* bool */ )
-
-#define UEVENT_FUNKY_QUANTITY_FIELDS(_) \
- BAT_QTYS(_,_energy,ENERGY_,POWER_) \
- BAT_QTYS(_,_charge,CHARGE_,CURRENT_)
-
-#define UEVENT_OPTIONAL_QUANTITY_FIELDS(_) \
- _(voltage, BATTERY, VOLTAGE_NOW /* uV */ )
-
-#define UEVENT_ENUM_FIELDS(_) \
- _(state, BATTERY, STATUS, "Discharging","Charging","Full","Unknown" ) \
- _(type, BOTH, TYPE, "Mains", "Battery" )
-
-#define CHGST_DISCHARGING 0 /* Reflects order in _(state,...) above */
-#define CHGST_CHARGING 1 /* Also, much code assumes exactly */
-#define CHGST_CHARGED 2 /* these three possible states. */
-#define CHGST_UNKNOWN 3 /* these three possible states. */
-#define CHGST_ERROR 8 /* Except that this one is an extra bit. */
-
-#define TYPE_MAINS 0 /* Reflects order in _(type,...) above */
-#define TYPE_BATTERY 1 /* Also, much code assumes exactly these two */
-#define TYPE_BOTH 100 /* Except this is a magic invalid value. */
-
-#define SEPARATE_QUANTITY_FIELDS(_) \
- /* See commit ec6f5f0be800bc5f2a27046833dba04e0c67ffac for
- the code needed to use this */
-
-
-#define ALL_DIRECT_VARS(_) \
- UEVENT_ESSENTIAL_QUANTITY_FIELDS(_) \
- UEVENT_FUNKY_QUANTITY_FIELDS(_) \
- UEVENT_OPTIONAL_QUANTITY_FIELDS(_) \
- UEVENT_ENUM_FIELDS(_) \
- SEPARATE_QUANTITY_FIELDS(_)
-
-#define ALL_VARS(_) \
- ALL_DIRECT_VARS(_) \
- BAT_QTYS(_,,,)
-
-#define ALL_NEEDED_FIELDS(_) \
- UEVENT_ESSENTIAL_QUANTITY_FIELDS(_) \
- UEVENT_ENUM_FIELDS(_) \
- SEPARATE_QUANTITY_FIELDS(_)
-
-#define ALL_PLAIN_ACCUMULATE_FIELDS(_) \
- UEVENT_ESSENTIAL_QUANTITY_FIELDS(_) \
- SEPARATE_QUANTITY_FIELDS(_)
-
-#define ALL_ACCUMULATE_FIELDS(_) \
- ALL_PLAIN_ACCUMULATE_FIELDS(_) \
- BAT_QTYS(_,,,)
-
-
-#define F_VAR(f,...) \
-static value this_##f;
-ALL_VARS(F_VAR)
-
-#define Q_FLD(f,t,l) { "POWER_SUPPLY_" #l, &this_##f },
-#define E_FLD(f,t,l,vl...) { "POWER_SUPPLY_" #l, &this_##f, { vl } },
-
-static const batinfo_field uevent_fields[]= {
- UEVENT_ESSENTIAL_QUANTITY_FIELDS(Q_FLD)
- UEVENT_FUNKY_QUANTITY_FIELDS(Q_FLD)
- UEVENT_OPTIONAL_QUANTITY_FIELDS(Q_FLD)
- UEVENT_ENUM_FIELDS(E_FLD)
- { 0 }
-};
-
-#define S_FLD(f,t,fn,vl...) \
-static const batinfo_field bif_##f = { 0, &this_##f, { vl } };
- SEPARATE_QUANTITY_FIELDS(S_FLD)
-
-#define S_FILE(f,t,fn,vl...) { fn, parse_separate, &bif_##f },
-
-static const fileinfo files[]= {
- { "uevent", parse_uevent, uevent_fields },
- SEPARATE_QUANTITY_FIELDS(S_FILE)
- { 0 }
-};
-
-/*---------- parsing of one thingx in /sys/class/power/... ----------*/
-
-/* variables private to the parser and its error handlers */
-static char batlinebuf[1000];
-static FILE *batfile;
-static const char *batdirname;
-static const char *batfilename;
-static const char *batlinevalue;
-
-static int batfailf(const char *why) {
- if (batlinevalue) {
- fprintf(stderr,"%s/%s: %s value `%s': %s\n",
- batdirname,batfilename, batlinebuf,batlinevalue,why);
- } else {
- fprintf(stderr,"%s/%s: %s: `%s'\n",
- batdirname,batfilename, why, batlinebuf);
- }
- return -1;
-}
-
-static int batfailc(const char *why) {
- fprintf(stderr,"%s/%s: %s\n",
- batdirname,batfilename, why);
- return -1;
-}
-
-static int batfaile(const char *syscall, const char *target) {
- fprintf(stderr,"%s: failed to %s %s: %s\n",
- batdirname ? batdirname : "*", syscall, target, strerror(errno));
- return -1;
-}
-
-static int chdir_base(void) {
- int r;
-
- r= chdir("/sys/class/power_supply");
- if (r) return batfaile("chdir","/sys/class/power_supply");
-
- return 0;
-}
-
-static void tidybattery(void) {
- if (batfile) { fclose(batfile); batfile=0; }
-}
-
-static int parse_value(const fileinfo *cfile, const batinfo_field *field) {
- if (*field->valuep != VAL_NOTFOUND)
- return batfailf("value specified multiple times");
-
- if (!field->enumarray[0]) {
-
- char *ep;
- *field->valuep= strtoull(batlinevalue,&ep,10);
- if (*ep)
- batfailf("value number syntax incorrect");
-
- } else {
-
- const char *const *enumsearch;
- for (*field->valuep=0, enumsearch=field->enumarray;
- *enumsearch && strcmp(*enumsearch,batlinevalue);
- (*field->valuep)++, enumsearch++);
- if (!*enumsearch)
- batfailf("unknown enum value");
-
- }
- return 0;
-}
-
-static int parse_uevent(const fileinfo *cfile) {
- char *equals= strchr(batlinebuf,'=');
- if (!equals)
- return batfailf("line without a equals");
- *equals= 0;
- batlinevalue = equals+1;
-
- const batinfo_field *field;
- for (field=cfile->extra; field->label; field++) {
- if (!strcmp(field->label,batlinebuf))
- goto found;
- }
- return 0;
-
- found:
- return parse_value(cfile, field);
-}
-
-static int readbattery(void) { /* 0=>ok, -1=>couldn't */
-
- const fileinfo *cfile;
- char *sr;
- int r, l;
-
- r= chdir_base();
- if (r) return r;
-
- r= chdir(batdirname);
- if (r) return batfaile("chdir",batdirname);
-
-#define V_NOTFOUND(f,...) \
- this_##f = VAL_NOTFOUND;
-ALL_VARS(V_NOTFOUND)
-
- for (cfile=files;
- (batfilename= cfile->filename);
- cfile++) {
- batfile= fopen(batfilename,"r");
- if (!batfile) {
- if (errno == ENOENT) continue;
- return batfaile("open",batfilename);
- }
-
- for (;;) {
- batlinevalue= 0;
-
- sr= fgets(batlinebuf,sizeof(batlinebuf),batfile);
- if (ferror(batfile)) return batfaile("read",batfilename);
- if (!sr && feof(batfile)) break;
- l= strlen(batlinebuf);
- assert(l>0);
- if (batlinebuf[l-1] != '\n')
- return batfailf("line too long");
- batlinebuf[l-1]= 0;
-
- if (cfile->parse(cfile))
- return -1;
- }
-
- fclose(batfile);
- batfile= 0;
- }
-
- if (debug) {
- printf("%s:\n",batdirname);
-#define V_PRINT(f,...) \
- printf(" %-30s = %20"PRId64"\n", #f, (int64_t)this_##f);
-ALL_DIRECT_VARS(V_PRINT)
- }
-
- int needsfields_MAINS = this_type == TYPE_MAINS;
- int needsfields_BATTERY = this_type == TYPE_BATTERY;
- int needsfields_BOTH = 1;
-
- int missing = 0;
-
-#define V_NEEDED(f,t,...) \
- if (needsfields_##t && this_##f == VAL_NOTFOUND) { \
- fprintf(stderr,"%s: %s: not found\n", \
- batdirname, #f); \
- missing++; \
- }
-ALL_NEEDED_FIELDS(V_NEEDED)
-
- if (missing) return -1;
-
- return 0;
-}
-
-/*---------- data collection and analysis ----------*/
-
-/* These next three variables are the results of the charging state */
-static unsigned charging_mask; /* 1u<<CHGST_* | ... */
-static double nondegraded_norm, fill_norm, ratepersec_norm;
-static int alarmed;
-
-#define Q_VAR(f,t,...) \
-static double total_##f;
- ALL_ACCUMULATE_FIELDS(Q_VAR)
-
-static void acquiredata(void) {
- DIR *di = 0;
- struct dirent *de;
- int r;
-
- charging_mask= 0;
- alarmed = 0;
-
- if (debug) printf("\n");
-
-#define Q_ZERO(f,t,...) \
- total_##f= 0;
-ALL_ACCUMULATE_FIELDS(Q_ZERO)
-
- r = chdir_base();
- if (r) goto bad;
-
- di= opendir("."); if (!di) { batfaile("opendir","battery"); goto bad; }
- while ((de= readdir(di))) {
- if (de->d_name[0]==0 || de->d_name[0]=='.') continue;
-
- batdirname= de->d_name;
- r= readbattery();
- tidybattery();
-
- if (r) {
- bad:
- charging_mask |= (1u << CHGST_ERROR);
- break;
- }
-
- if (this_type == TYPE_BATTERY) {
- if (!this_present)
- continue;
-
- charging_mask |= 1u << this_state;
-
-#define QTY_SUPPLIED(f,...) this_##f != VAL_NOTFOUND &&
-#define QTY_USE_ENERGY(f,...) this_##f = this_##f##_energy;
-#define QTY_USE_CHARGE(f,...) this_##f = this_##f##_charge;
-
- double funky_multiplier;
- if (BAT_QTYS(QTY_SUPPLIED,_energy,,) 1) {
- if (debug) printf(" using energy\n");
- BAT_QTYS(QTY_USE_ENERGY,,,);
- funky_multiplier = 1.0;
- } else if (BAT_QTYS(QTY_SUPPLIED,_charge,,)
- this_voltage != VAL_NOTFOUND) {
- if (debug) printf(" using charge\n");
- BAT_QTYS(QTY_USE_CHARGE,,,);
- funky_multiplier = this_voltage * 1e-6;
- } else {
- batfailc("neither complete set of energy nor charge");
- continue;
- }
- if (this_state == CHGST_DISCHARGING)
- /* negate it */
- total_present_rate -= 2.0 * this_present_rate * funky_multiplier;
-
-#define Q_ACCUMULATE_FUNKY(f,...) \
- total_##f += this_##f * funky_multiplier;
-BAT_QTYS(Q_ACCUMULATE_FUNKY,,,)
- }
-
-#define Q_ACCUMULATE_PLAIN(f,t,...) \
- if (this_type == TYPE_##t) \
- total_##f += this_##f;
-ALL_PLAIN_ACCUMULATE_FIELDS(Q_ACCUMULATE_PLAIN)
-
-
- }
- if (di) closedir(di);
-
- if (debug) {
- printf("TOTAL:\n");
- printf(" %-30s = %#20x\n", "mask", charging_mask);
-#define T_PRINT(f,...) \
- printf(" %-30s = %20.6f\n", #f, total_##f);
-BAT_QTYS(T_PRINT,,,)
-ALL_PLAIN_ACCUMULATE_FIELDS(T_PRINT)
- }
-
- if ((charging_mask & (1u<<CHGST_DISCHARGING)) &&
- !total_online/*mains*/) {
- double time_remaining =
- -total_remaining_capacity * 3600.0 / total_present_rate;
- if (debug) printf(" %-30s = %20.6f\n", "time remaining", time_remaining);
- if (time_remaining < alarmlevel)
- alarmed = 1;
- }
-
- if (total_design_capacity < 0.5)
- total_design_capacity= 1.0;
-
- if (total_last_full_capacity < total_remaining_capacity)
- total_last_full_capacity= total_remaining_capacity;
- if (total_design_capacity < total_last_full_capacity)
- total_design_capacity= total_last_full_capacity;
-
- nondegraded_norm= total_last_full_capacity / total_design_capacity;
- fill_norm= total_remaining_capacity / total_design_capacity;
- ratepersec_norm= total_present_rate
- / (3600.0 * total_design_capacity);
-}
-
-static void initacquire(void) {
-}
-
-/*---------- argument parsing ----------*/
-
-#define COLOURS \
- C(blue, discharging) \
- C(green, charging) \
- C(cyan, charged) \
- C(lightgrey, notcharging) \
- C(grey, confusing) \
- C(black, normal) \
- C(red, low) \
- C(dimgrey, degraded) \
- C(darkgreen, absent) \
- C(yellow, error) \
- C(white, equilibrium) \
- GC(remain) \
- GC(white) \
- GC(empty)
-
-static XrmDatabase xrm;
-static Display *disp;
-static int screen;
-static const char *parentwindow;
-
-static const char defaultresources[]=
-#define GC(g)
-#define C(c,u) \
- "*" #u "Color: " #c "\n"
- COLOURS
-#undef GC
-#undef C
- ;
-
-#define S(s) ((char*)(s))
-static const XrmOptionDescRec optiontable[]= {
- { S("-debug"), S("*debug"), XrmoptionIsArg },
- { S("-warningTime"), S("*warningTime"), XrmoptionSepArg },
- { S("-display"), S("*display"), XrmoptionSepArg },
- { S("-geometry"), S("*geometry"), XrmoptionSepArg },
- { S("-into"), S("*parentWindow"), XrmoptionSepArg },
- { S("-iconic"), S("*iconic"), XrmoptionIsArg },
- { S("-withdrawn"), S("*withdrawn"), XrmoptionIsArg },
-#define GC(g)
-#define C(c,u) \
- { S("-" #u "Color"), S("*" #u "Color"), XrmoptionSepArg }, \
- { S("-" #u "Colour"), S("*" #u "Color"), XrmoptionSepArg },
- COLOURS
-#undef GC
-#undef C
-};
-
-static const char *getresource(const char *want) {
- char name_buf[256], class_buf[256];
- XrmValue val;
- char *rep_type_dummy;
- int r;
-
- assert(strlen(want) < 128);
- sprintf(name_buf,"xacpi-simple.%s",want);
- sprintf(class_buf,"Xacpi-Simple.%s",want);
-
- r= XrmGetResource(xrm, name_buf,class_buf, &rep_type_dummy, &val);
- if (!r) return 0;
-
- return val.addr;
-}
-
-static int getresource_bool(const char *want, int def, int *cache) {
- /* *cache should be initialised to -1 and will be set to !!value
- * alternatively cache==0 is allowed */
-
- if (cache && *cache >= 0) return *cache;
-
- const char *str= getresource(want);
- int result = def;
- if (str && str[0]) {
- char *ep;
- long l= strtol(str,&ep,0);
- if (!*ep) {
- result = l > 0;
- } else {
- switch (str[0]) {
- case 't': case 'T': case 'y': case 'Y': result= 1; break;
- case 'f': case 'F': case 'n': case 'N': result= 0; break;
- case '-': /* option name from XrmoptionIsArg */ result= 1; break;
- }
- }
- }
-
- if (cache) *cache= result;
- return result;
-}
-
-static void more_resources(const char *str, const char *why) {
- XrmDatabase more;
-
- if (!str) return;
-
- more= XrmGetStringDatabase((char*)str);
- if (!more) fail(why);
- XrmCombineDatabase(more,&xrm,0);
-}
-
-static void parseargs(int argc, char **argv) {
- Screen *screenscreen;
-
- XrmInitialize();
-
- XrmParseCommand(&xrm, (XrmOptionDescRec*)optiontable,
- sizeof(optiontable)/sizeof(*optiontable),
- program_name, &argc, argv);
-
- if (argc>1) badusage();
-
- getresource_bool("debug",0,&debug);
-
- const char *alarmlevel_string= getresource("alarmLevel");
- alarmlevel = alarmlevel_string ? atoi(alarmlevel_string) : 300;
-
- parentwindow = getresource("parentWindow");
-
- disp= XOpenDisplay(getresource("display"));
- if (!disp) fail("could not open display");
-
- screen= DefaultScreen(disp);
-
- screenscreen= ScreenOfDisplay(disp,screen);
- if (!screenscreen) fail("screenofdisplay");
- more_resources(XScreenResourceString(screenscreen), "screen resources");
- more_resources(XResourceManagerString(disp), "display resources");
- more_resources(defaultresources, "default resources");
-}
-
-/*---------- display ----------*/
-
-static Window win;
-static int width, height;
-static Colormap cmap;
-static unsigned long lastbackground;
-
-typedef struct {
- GC gc;
- unsigned long lastfg;
-} Gcstate;
-
-#define C(c,u) static unsigned long pix_##u;
-#define GC(g) static Gcstate gc_##g;
- COLOURS
-#undef C
-#undef GC
-
-static void refresh(void);
-
-#define CHGMASK_CHG_DIS ((1u<<CHGST_CHARGING) | (1u<<CHGST_DISCHARGING))
-
-static void failr(const char *m, int r) {
- fprintf(stderr,"error: %s (code %d)\n", m, r);
- exit(-1);
-}
-
-static void setbackground(unsigned long newbg) {
- int r;
-
- if (newbg == lastbackground) return;
- r= XSetWindowBackground(disp,win,newbg);
- if (!r) fail("XSetWindowBackground");
- lastbackground= newbg;
-}
-
-static void setforeground(Gcstate *g, unsigned long px) {
- XGCValues gcv;
- int r;
-
- if (g->lastfg == px) return;
-
- memset(&gcv,0,sizeof(gcv));
- g->lastfg= gcv.foreground= px;
- r= XChangeGC(disp,g->gc,GCForeground,&gcv);
- if (!r) fail("XChangeGC");
-}
-
-static void show_solid(unsigned long px) {
- setbackground(px);
- XClearWindow(disp,win);
-}
-
-static void show(void) {
- double elap, then;
- int i, leftmost_lit, leftmost_nondeg, beyond, first_beyond;
-
- if (!charging_mask)
- return show_solid(pix_absent);
-
- if (charging_mask & (1u << CHGST_ERROR))
- return show_solid(pix_error);
-
- setbackground(pix_degraded);
- XClearWindow(disp,win);
-
- setforeground(&gc_remain,
- !(charging_mask & CHGMASK_CHG_DIS) ?
- (~charging_mask & (1u << CHGST_CHARGED) ?
- pix_notcharging : pix_charged) :
- !(~charging_mask & CHGMASK_CHG_DIS) ? pix_confusing :
- charging_mask & (1u<<CHGST_CHARGING)
- ? pix_charging : pix_discharging);
-
- setforeground(&gc_empty, alarmed ? pix_low : pix_normal);
-
- for (i=0, first_beyond=1; i<height; i++) {
- elap= !i ? 0 :
- height==2 ? BOTTOM :
- TOP * exp( (double)i / (height-2) * log( (double)BOTTOM/TOP ) );
-
- then= fill_norm + ratepersec_norm * elap;
-
- beyond=
- ((charging_mask & (1u<<CHGST_DISCHARGING) && then <= 0.0) ||
- (charging_mask & (1u<<CHGST_CHARGING) && then>=nondegraded_norm));
-
- if (then <= 0.0) then= 0.0;
- else if (then >= nondegraded_norm) then= nondegraded_norm;
-
- leftmost_lit= width * then;
- leftmost_nondeg= width * nondegraded_norm;
-
- if (beyond && first_beyond) {
- XDrawLine(disp, win, gc_white.gc, 0,i, leftmost_nondeg,i);
- first_beyond= 0;
- } else {
- if (leftmost_lit < leftmost_nondeg)
- XDrawLine(disp, win, gc_empty.gc,
- leftmost_lit,i, leftmost_nondeg,i);
- if (leftmost_lit >= 0)
- XDrawLine(disp, win, gc_remain.gc, 0,i, leftmost_lit,i);
- }
- }
-}
-
-static void initgc(Gcstate *gc_r) {
- XGCValues gcv;
-
- memset(&gcv,0,sizeof(gcv));
- gcv.function= GXcopy;
- gcv.line_width= 1;
- gc_r->lastfg= gcv.foreground= pix_equilibrium;
- gc_r->gc= XCreateGC(disp,win, GCFunction|GCLineWidth|GCForeground, &gcv);
-}
-
-static void colour(unsigned long *pix_r, const char *whichcolour) {
- XColor xc;
- const char *name;
- Status st;
-
- name= getresource(whichcolour);
- if (!name) fail("get colour resource");
-
- st= XAllocNamedColor(disp,cmap,name,&xc,&xc);
- if (!st) fail(name);
-
- *pix_r= xc.pixel;
-}
-
-static void initgraphics(int argc, char **argv) {
- int xwmgr, r;
- const char *geom_string;
- XSizeHints *normal_hints;
- XWMHints *wm_hints;
- XClassHint *class_hint;
- int pos_x, pos_y, gravity;
- char *program_name_silly;
-
- program_name_silly= (char*)program_name;
-
- normal_hints= XAllocSizeHints();
- wm_hints= XAllocWMHints();
- class_hint= XAllocClassHint();
-
- if (!normal_hints || !wm_hints || !class_hint)
- fail("could not alloc hint(s)");
-
- geom_string= getresource("geometry");
-
- xwmgr= XWMGeometry(disp,screen, geom_string,"128x32", 0,
- normal_hints,
- &pos_x, &pos_y,
- &width, &height,
- &gravity);
-
- unsigned long parentwindowid;
- if (parentwindow)
- parentwindowid = strtoul(parentwindow,0,0);
- else
- parentwindowid = DefaultRootWindow(disp);
-
- win= XCreateSimpleWindow(disp,parentwindowid,
- pos_x,pos_y,width,height,0,0,0);
- cmap= DefaultColormap(disp,screen);
-
-#define C(c,u) colour(&pix_##u, #u "Color");
-#define GC(g) initgc(&gc_##g);
- COLOURS
-#undef C
-#undef GC
-
- r= XSetWindowBackground(disp,win,pix_degraded);
- if (!r) fail("init set background");
- lastbackground= pix_degraded;
-
- normal_hints->flags= PWinGravity;
- normal_hints->win_gravity= gravity;
- normal_hints->x= pos_x;
- normal_hints->y= pos_y;
- normal_hints->width= width;
- normal_hints->height= height;
- if ((xwmgr & XValue) || (xwmgr & YValue))
- normal_hints->flags |= USPosition;
-
- wm_hints->flags= InputHint;
- wm_hints->input= False;
- wm_hints->initial_state=
- (getresource_bool("withdrawn",0,0) ? WithdrawnState :
- getresource_bool("iconic",0,0) ? IconicState
- : NormalState);
-
- class_hint->res_name= program_name_silly;
- class_hint->res_class= program_name_silly;
-
- XmbSetWMProperties(disp,win, program_name,program_name,
- argv,argc, normal_hints, wm_hints, class_hint);
-
- XSelectInput(disp,win, ExposureMask|StructureNotifyMask);
- XMapWindow(disp,win);
-}
-
-static void refresh(void) {
- acquiredata();
- show();
-}
-
-static void newgeometry(void) {
- int dummy;
- Window dummyw;
-
- XGetGeometry(disp,win, &dummyw,&dummy,&dummy, &width,&height, &dummy,&dummy);
-}
-
-static void eventloop(void) {
- XEvent ev;
- struct pollfd pfd;
- int r, timeout;
-
- newgeometry();
- refresh();
-
- for (;;) {
- XFlush(disp);
-
- pfd.fd= ConnectionNumber(disp);
- pfd.events= POLLIN|POLLERR;
-
- timeout= !(charging_mask & (1u << CHGST_ERROR)) ? TIMEOUT : TIMEOUT_ONERROR;
- r= poll(&pfd,1,timeout);
- if (r==-1 && errno!=EINTR) failr("poll",errno);
-
- while (XPending(disp)) {
- XNextEvent(disp,&ev);
- if (ev.type == ConfigureNotify) {
- XConfigureEvent *ce= (void*)&ev;
- width= ce->width;
- height= ce->height;
- }
- }
- refresh();
- }
-}
-
-int main(int argc, char **argv) {
- parseargs(argc,argv);
- initacquire();
- initgraphics(argc,argv);
- eventloop();
- return 0;
-}
~ian / chiark-utils.git / blobdiff