/*
*
* wmWeather-1.31 (C) 1999 Mike Henderson (mghenderson@lanl.gov)
*
* - Shows Local Weather conditions
*
*
*
*
* 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 2, 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 (see the file COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
*
*
*
* ToDo:
*
* - Add a GTK popup window to display data in a nicer way. Currently just use
* xmessage...
*
* - Add "current conditions" graphic (as background?). I.e. one of those little
* cartoons that show clouds or sun with rain or snow, etc. on it...
*
* - Scrolling line to display "sundry" parameters.
*
* - Or maybe auto-switch between panels at some user-defined rate?
*
*
* Changes:
*
* Version 1.31 - released May 4, 1999.
* fixed some conversion bugs in wind speed..
*
* Version 1.30 - released April 13, 1999.
* Fixed a bug whereby the App would crash when trying to gain input
* focus under non-WindowMaker WMs (focus is now grabbed by
* `PointerRoot' not `iconwin').
*
* Added StationID and `time-of-last-update' labels. To do this I needed
* to shrink the fonts down and scrunch them together a bit more.
*
* Added new command line option to change their color;
* -tc <color>
*
* Added code to properly decode wind speed when in MPS.
*
* Fixed bug in beaufort wind speed calcs.
*
* Version 1.29 - released March 17, 1999.
* Reorganized wmgeneral.c and renamed it xutils.c (wmgeneral.h
* -> xutils.h as well ). Also moved it into the same directory as wmWeather.
* Now, the openXwindow is split into 2 parts. You first need to call
* initXwindow(argc, argv). This allows us to check the display depth
* before we commit to a particular pixmap (this will be useful in my
* other DockApps to dynamically set appropriate pixmaps based on depth).
* Got rid of alot of the other routines that I never use.
*
* Added 4 more command line option to set the colors of the text:
*
* -bc <color> for setting the BackGround color.
* -lc <color> for setting the Label color.
* -dc <color> for setting the Data color.
* -wgc <color> for setting the Wind Gust color.
*
* Also cleaned up the pixmap to minimize the number of colors used.
*
* Changed metric toggle to work with a key press (any key).
*
* Added double click support. Now double clicking does the following:
*
* Double Mouse Left: pops up the fully decoded METAR file
* in xmessage.
*
* Double Mouse Middle: Currently undefined.
*
* Double Mouse Right: Forces a new update (i.e. download.)
*
*
* Version 1.28 - released March 9, 1999.
* Changed -celsius (-c) option to -metric (-m). Naming makes more
* sense that way...
*
* Added -W option to display WindChill instead of DewPoint.
* Since Windchill is not always available, we only show it if its
* available. If its not, we paste up DewPoint as default.
*
* Also added -mps option to display wind speed in units of
* meters/second (when in -metric mode).
*
* Version 1.27 - released March 8, 1999.
* fixed bug in speed calculation when wind is gusting.
*
* Version 1.26 - released February 24, 1999.
* Added -delay option.
*
* Version 1.25 - released February 16, 1999.
* Added Wind speeds on the 'Beaufort scale'
* Thanks to Paul Martin <pm@zetnet.net> for this addition.
*
* Version 1.24 - released February 12, 1999.
* Added --passive-ftp option to wget.
*
* Version 1.23 - released February 2, 1999.
* Few more bug fixes...
* Added support for different Pressure units...
*
*
* Version 1.22 - released February 1, 1999.
* Fixed minor bug in direction abbreviations. Added a bit more to man
* page.
*
* Version 1.21 - released January 29, 1999.
* Fixed a problem in the perl script. Made the file paths absolute.
*
* Version 1.2 - released January 29, 1999.
* Added Wind speed line. Ended up decoding the Raw METAR line.
* Fixed a few bugs...
* Changed location of files from /tmp to ~/.wmWeatherReports
* Changed units of pressure and wind speed to mmHg and km/h
* when Metric is set. (Really should change the flag to -metric).
*
* Version 1.1 - released January 25, 1999.
* Bug fixes...
* Added command line switch to display Temp's in deg. C
*
*
* Version 1.0 - released January 19, 1999.
*
*
*/
/*
* Includes
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <time.h>
#include <X11/X.h>
#include <X11/xpm.h>
#include "xutils.h"
#include "wmWeather_master.xpm"
#include "wmWeather_mask.xbm"
/*
* Delay between refreshes (in microseconds)
*/
#define DELAY 10000L
#define WMWEATHER_VERSION "1.31"
#define DEFAULT_UPDATEDELAY 900L
void ParseCMDLine(int argc, char *argv[]);
void ButtonPressEvent(XButtonEvent *);
void KeyPressEvent(XKeyEvent *);
char *StringToUpper(char *);
char StationID[10];
int UpToDate = 0;
int ShowWindChill = 0;
int WindChillAvail = 1;
int Metric = 0;
int Beaufort = 0;
int ForceUpdate = 1;
int ForceDownload = 1;
int PressureUnits = 0;
int MetersPerSecond = 0;
double PressureConv = 1.0;
long UpdateDelay;
int GotFirstClick1, GotDoubleClick1;
int GotFirstClick2, GotDoubleClick2;
int GotFirstClick3, GotDoubleClick3;
int DblClkDelay;
/*
* In a more readable form the Compass directions are:
* static char *CompassDirection[] = { "N", "NNE", "NE", "ENE", "E", "ESE", "SE", "SSE",
* "S", "SSW", "SW", "WSW", "W", "WNW", "NW", "NNW"}
* We convert to digits in the sequence `NWSE' so we dont have to put all these
* combinations into the pixmap.
*/
static char *CompassDirection[] = { "0", "003", "03", "303", "3", "323", "23", "223",
"2", "221", "21", "121", "1", "101", "01", "001"};
char LabelColor[30] = "#79bdbf";
char WindGustColor[30] = "#ff0000";
char DataColor[30] = "#ffbf50";
char BackColor[30] = "#181818";
char StationTimeColor[30] = "#c5a6ff";
/*
* main
*/
int main(int argc, char *argv[]) {
struct tm *tTime;
XEvent event;
int n, s, m, dt1, dt2, dt3, yd;
int i, j, len;
char dir[5];
int Year, Month, Day;
int Hours, Mins, Secs;
int UpdateLTHour = 0.0, UpdateLTMin = 0.0, UpdateUTHour, UpdateUTMin;
long CurrentLocalTime;
double UpdateUT, UpdateLT, UT, LT, DT, hour24();
double jd(), CurrentJD;
char command[1024], Line[512], FileName[10];
int Tens, q, digit, chr;
double Pressure, Temperature, sgn, Humidity, DewPoint, WindChill, val;
double Direction, Speed;
FILE *fp;
/*
* Parse any command line arguments.
*/
ParseCMDLine(argc, argv);
/*
* Do the window opening in 2 stages. After the initXwindow() call,
* we know what the Depth of the Display is. We can then pick an appropriate
* XPM to use. I.e. may want to use one that has fewer colors to make the App work
* better on a low-color 8-bit display.
*/
initXwindow(argc, argv);
openXwindow(argc, argv, wmWeather_master, wmWeather_mask_bits, wmWeather_mask_width,
wmWeather_mask_height, BackColor, LabelColor, WindGustColor, DataColor, StationTimeColor);
/*
* Loop until we die
*/
n = 32000;
s = 32000;
m = 32000;
dt1 = 32000;
dt2 = 32000;
dt3 = 32000;
DblClkDelay = 32000;
UpToDate = 0;
while(1) {
/*
* Keep track of # of seconds
*/
if (m > 100){
m = 0;
++dt1;
++dt2;
++dt3;
} else {
/*
* Increment counter
*/
++m;
}
/*
* Double Click Delays
* Keep track of click events. If Delay too long, set GotFirstClick's to False.
*/
if (DblClkDelay > 15) {
DblClkDelay = 0;
GotFirstClick1 = 0; GotDoubleClick1 = 0;
GotFirstClick2 = 0; GotDoubleClick2 = 0;
GotFirstClick3 = 0; GotDoubleClick3 = 0;
} else {
++DblClkDelay;
}
/*
* Process any pending X events.
*/
while(XPending(display)){
XNextEvent(display, &event);
switch(event.type){
case Expose:
RedrawWindow();
break;
case ButtonPress:
ButtonPressEvent(&event.xbutton);
break;
case KeyPress:
KeyPressEvent(&event.xkey);
break;
case ButtonRelease:
break;
case EnterNotify:
XSetInputFocus(display, PointerRoot, RevertToParent, CurrentTime);
break;
case LeaveNotify:
XSetInputFocus(display, PointerRoot, RevertToParent, CurrentTime);
break;
}
}
/*
* Check the Current Conditions file every (approx.) several seconds.
* Can significantly reduce this frequency later. But its
* easier to debug this way...
* Do this before trying to download again! The file may be there and it
* may be Up-To-Date!
*/
if ((dt2 > 5)||(ForceUpdate)){
dt2 = 0;
/*
* Compute Current Julian Date
*/
CurrentLocalTime = time(CurrentTime);
tTime = gmtime(&CurrentLocalTime);
Year = tTime->tm_year+1900;
Month = tTime->tm_mon+1;
Day = tTime->tm_mday;
Hours = tTime->tm_hour;
Mins = tTime->tm_min;
Secs = tTime->tm_sec;
UT = (double)Hours + (double)Mins/60.0 + (double)Secs/3600.0;
CurrentJD = jd(Year, Month, Day, UT);
CurrentLocalTime = time(CurrentTime);
tTime = localtime(&CurrentLocalTime);
Year = tTime->tm_year+1900;
Month = tTime->tm_mon+1;
Day = tTime->tm_mday;
Hours = tTime->tm_hour;
Mins = tTime->tm_min;
Secs = tTime->tm_sec;
LT = (double)Hours + (double)Mins/60.0 + (double)Secs/3600.0;
DT = UT - LT;
if (DT > 24.0) DT -= 24.0;
if (DT < 0.00) DT += 24.0;
/*
* Read in weather data
*/
sprintf(FileName, "%s/.wmWeatherReports/%s.dat", getenv("HOME"), StationID);
if ((fp = fopen(FileName, "r")) != NULL){
fgets(Line, 512, fp);
fgets(Line, 512, fp);
fgets(Line, 512, fp);
fscanf(fp, "%d:%d", &UpdateUTHour, &UpdateUTMin);
if (UpdateUTHour != 99){
UpdateUT = UpdateUTHour + UpdateUTMin/60.0;
UpdateLT = UpdateUT - DT;
if (UpdateLT < 0.0) UpdateLT += 24.0;
if (UpdateLT > 24.0) UpdateLT -= 24.0;
UpdateLTHour = (int)UpdateLT;
UpdateLTMin = (int)((UpdateLT - (double)UpdateLTHour)*60.0 + 0.5);
if (UpdateLTMin >= 60){
++UpdateLTHour;
if (UpdateLTHour >= 24) UpdateLTHour = 0;
UpdateLTMin = 0;
}
} else {
UpdateLTHour = 99;
UpdateLTMin = 99;
}
fscanf(fp, "%lf", &Temperature);
if (Metric) Temperature = (Temperature-32.0)*5.0/9.0;
fscanf(fp, "%lf", &DewPoint);
if (Metric) DewPoint = (DewPoint-32.0)*5.0/9.0;
fscanf(fp, "%lf", &WindChill);
/*
* If WindChill is not available, revert to DewPoint
*/
WindChillAvail = (WindChill < -900.0) ? 0 : 1;
if (Metric) WindChill = (WindChill-32.0)*5.0/9.0;
fscanf(fp, "%lf", &Pressure); Pressure += 0.005;
Pressure *= PressureConv;
fscanf(fp, "%lf", &Humidity);
fscanf(fp, "%lf", &Direction);
fscanf(fp, "%lf", &Speed);
if (Metric){
if (MetersPerSecond) Speed *= 0.4473;
else if (!Beaufort) Speed *= 1.609;
}
fclose(fp);
} else {
Temperature = -9999.0;
DewPoint = -9999.0;
WindChill = -9999.0;
Humidity = -9999.0;
Pressure = -9999.0;
Direction = -9999.0;
Speed = -9999.0;
}
}
/*
* Draw window.
*/
if ( (dt3 > 5) || ForceUpdate){
dt3 = 0;
/*
* Clear window.
*/
copyXPMArea(5, 69, 54, 54, 5, 5);
/*
* Paste up Station ID and time of last update.
*/
q = 0;
chr = (int)StationID[0] - 65; copyXPMArea(chr*5+2, 128, 5, 6, 7+q, 6); q+= 5;
chr = (int)StationID[1] - 65; copyXPMArea(chr*5+2, 128, 5, 6, 7+q, 6); q+= 5;
chr = (int)StationID[2] - 65; copyXPMArea(chr*5+2, 128, 5, 6, 7+q, 6); q+= 5;
chr = (int)StationID[3] - 65; copyXPMArea(chr*5+2, 128, 5, 6, 7+q, 6); q+= 5;
if (UpdateLTHour != 99){
q = 0;
Tens = (int)(UpdateLTHour);
copyXPMArea(Tens/10*5+2, 135, 5, 6, 36+q, 6); q+= 5;
copyXPMArea(Tens%10*5+2, 135, 5, 6, 36+q, 6); q+= 5;
copyXPMArea(53, 135, 1, 6, 36+q, 6); q+= 2;
Tens = (int)(UpdateLTMin);
copyXPMArea(Tens/10*5+2, 135, 5, 6, 36+q, 6); q+= 5;
copyXPMArea(Tens%10*5+2, 135, 5, 6, 36+q, 6); q+= 5;
}
/*
* Paste up Temperature.
*/
if ((Temperature > -999.0)&&(Temperature < 1000.0)){
sgn = (Temperature < 0.0) ? -1.0 : 1.0;
Temperature *= sgn;
Temperature = (double)((int)(Temperature + 0.5));
q = 0;
if (Temperature >= 100.0){
if (sgn < 0.0) { copyXPMArea(0*5+66, 35, 5, 6, 25, 15); q += 5; }
digit = (int)(Temperature/100.0);
copyXPMArea(digit*5+66, 57, 5, 6, 25+q, 15); q+= 5;
Tens = (int)(Temperature-digit*100.0);
copyXPMArea(Tens/10*5+66, 57, 5, 6, 25+q, 15); q+= 5;
copyXPMArea(Tens%10*5+66, 57, 5, 6, 25+q, 15); q+= 5;
} else {
if (sgn < 0.0) { copyXPMArea(0*5+66, 35, 5, 6, 25, 15); q += 5; }
Tens = (int)(Temperature);
if (Tens >= 10) { copyXPMArea(Tens/10*5+66, 57, 5, 6, 25+q, 15); q+= 5; }
copyXPMArea(Tens%10*5+66, 57, 5, 6, 25+q, 15); q+= 5;
}
if (Metric){
copyXPMArea(72, 34, 3, 3, 25+q, 14); q += 4;
copyXPMArea(81, 35, 4, 6, 25+q, 15);
} else {
copyXPMArea(72, 34, 8, 7, 25+q, 14);
}
}
/*
* Paste up DewPoint or WindChill Temperature.
*/
if (ShowWindChill && WindChillAvail){
val = WindChill;
copyXPMArea(66, 87, 17, 8, 5, 24);
} else {
val = DewPoint;
copyXPMArea(5, 87, 17, 8, 5, 24);
}
if ((val > -999.0)&&(val < 1000.0)){
sgn = (val < 0.0) ? -1.0 : 1.0;
val *= sgn;
val = (double)((int)(val + 0.5));
q = 0;
if (val >= 100.0){
if (sgn < 0.0) { copyXPMArea(0*5+66, 57, 5, 6, 25, 24); q += 5; }
digit = (int)(val/100.0);
copyXPMArea(digit*5+66, 57, 5, 6, 25+q, 24); q+= 5;
Tens = (int)(val-digit*100.0);
copyXPMArea(Tens/10*5+66, 57, 5, 6, 25+q, 24); q+= 5;
copyXPMArea(Tens%10*5+66, 57, 5, 6, 25+q, 24); q+= 5;
} else {
if (sgn < 0.0) { copyXPMArea(0*5+66, 35, 5, 6, 25, 24); q += 5; }
Tens = (int)(val);
if (Tens >= 10) { copyXPMArea(Tens/10*5+66, 57, 5, 6, 25+q, 24); q+= 5; }
copyXPMArea(Tens%10*5+66, 57, 5, 6, 25+q, 24); q+= 5;
}
if (Metric){
copyXPMArea(72, 34, 3, 3, 25+q, 23); q += 4;
copyXPMArea(81, 35, 4, 6, 25+q, 24);
} else {
copyXPMArea(72, 34, 8, 7, 25+q, 23);
}
}
/*
* Paste up Pressure.
*/
q = 0; s= 0;
if ((Pressure > 0.0)&&(Pressure <= 10000.0)){
val = Pressure;
digit = (int)(val/1000.0);
if (digit > 0) { copyXPMArea(digit*5+66, 57, 5, 6, 25+q, 33); q += 5; }
val -= (double)digit*1000;
digit = (int)(val/100.0);
if ((digit > 0)||(Pressure > 999.0)) { copyXPMArea(digit*5+66, 57, 5, 6, 25+q, 33); q += 5; }
val -= (double)digit*100;
digit = (int)(val/10.0);
if ((digit > 0)||(Pressure > 99.0)) { copyXPMArea(digit*5+66, 57, 5, 6, 25+q, 33); q += 5; }
val -= (double)digit*10;
digit = (int)val;
copyXPMArea(digit*5+66, 57, 5, 6, 25+q, 33); q += 5;
val -= (double)digit;
if ((PressureUnits != 2)||(!Metric)){
copyXPMArea(10*5+66+1, 57, 4, 6, 25+q, 33); q += 4;
val *= 10; digit = (int)val;
copyXPMArea(digit*5+66, 57, 5, 6, 25+q, 33); q += 5;
val -= (double)digit;
if (!Metric){
val *= 10; digit = (int)val;
copyXPMArea(digit*5+66, 57, 5, 6, 25+q, 33); q += 5;
/* val -= (double)digit; */
}
}
}
/*
* Paste up Humidity.
*/
q = 0;
if ((Humidity > -999.0)&&(Humidity <= 100.0)){
if (Humidity == 100.0){
copyXPMArea(1*5+66, 57, 5, 6, 25+q, 42); q += 5;
copyXPMArea(0*5+66, 57, 5, 6, 25+q, 42); q += 5;
copyXPMArea(0*5+66, 57, 5, 6, 25+q, 42); q += 5;
} else {
Tens = (int)(Humidity);
if (Tens >= 10) { copyXPMArea(Tens/10*5+66, 57, 5, 6, 25+q, 42); q += 5; }
copyXPMArea(Tens%10*5+66, 57, 5, 6, 25+q, 42); q += 5;
}
copyXPMArea(121, 57, 5, 6, 25+q, 42);
}
/*
* Paste up Wind Info.
*/
if ((Direction == 0.0)&&(Speed == 0.0)){
/*
* Just write out `Calm' if both values are 0
*/
copyXPMArea(66, 4, 23, 7, 25, 51);
} else {
/*
* If the Direction < 0 this means that there was a "Wind direction
* Variability Group" found in the METAR code. I.e. Direction is variable.
* I think value should be the average. In any case flag it by making it a
* different color.
*
* Likewise, if Speed < 0, this means that a "Gusty" modifier was found
* in the RAW METAR code, and the value is only the average of the low
* and high values given. Again, flag it in a different color...
*
*/
if ((Direction >= -360.0)&&(Direction <= 360.0)){
sgn = (Direction < 0.0) ? -1.0 : 1.0;
yd = (sgn < 0.0) ? 50 : 43;
Direction *= sgn;
q = 0;
i = (int)(Direction/360.0*16.0 + 0.5);
if (i>15) i = 0;
strcpy(dir, CompassDirection[i]);
len = strlen(dir);
for (j=0; j<len; ++j){
digit = (int)dir[j] - 48;
copyXPMArea(digit*5+66, yd, 5, 6, 25+q, 51); q+= 5;
}
q += 2;
} else if (Direction > 0.0){
/*
* In this case, the wind direction is variable with speed < 6 Knots.
* A numerical direction is not given in these cases. Just write out 'VRB'.
*/
q = 0;
copyXPMArea(4*5+66, 43, 5, 6, 25+q, 51); q+= 5;
copyXPMArea(5*5+66, 43, 5, 6, 25+q, 51); q+= 5;
copyXPMArea(6*5+66, 43, 5, 6, 25+q, 51); q+= 9;
}
if (Metric && Beaufort) {
int beau = 0;
int spd;
sgn = (Speed < 0.0) ? -1.0 : 1.0;
spd = (int)(sgn * (int)Speed);
if (spd > 1) { beau = 1; }
if (spd > 3) { beau = 2; }
if (spd > 4) { beau = 3; }
if (spd > 10) { beau = 4; }
if (spd > 16) { beau = 5; }
if (spd > 21) { beau = 6; }
if (spd > 27) { beau = 7; }
if (spd > 33) { beau = 8; }
if (spd > 40) { beau = 9; }
if (spd > 47) { beau = 10; }
if (spd > 55) { beau = 11; }
if (spd > 63) { beau = 12; }
if (spd > 71) { beau = 13; }
Speed = sgn * (double) beau;
q++; copyXPMArea(76, 35, 4, 6, 25+q, 51); q+= 6;
}
if ((Speed > -999.0)&&(Speed < 1000.0)){
sgn = (Speed < 0.0) ? -1.0 : 1.0;
yd = (sgn < 0.0) ? 64 : 57;
Speed *= sgn;
if (Speed >= 100.0){
digit = (int)(Speed/100.0);
copyXPMArea(digit*5+66, yd, 5, 6, 25+q, 51); q+= 5;
Tens = (int)(Speed-digit*100.0);
copyXPMArea(Tens/10*5+66, yd, 5, 6, 25+q, 51); q+= 5;
copyXPMArea(Tens%10*5+66, yd, 5, 6, 25+q, 51); q+= 5;
} else {
Tens = (int)(Speed);
if (Tens >= 10) { copyXPMArea(Tens/10*5+66, yd, 5, 6, 25+q, 51); q+= 5; }
copyXPMArea(Tens%10*5+66, yd, 5, 6, 25+q, 51); q+= 5;
}
}
}
/*
* Make changes visible
*/
RedrawWindow();
}
/*
* Reset "force update" flag
*/
ForceUpdate = 0;
/*
* Check every 5 min if the values are not up to date...
*/
/*
* We still need to add a flashing LED to warn about
* times that are out of date. Also need to determine if it is uptodate...
*/
UpToDate = 0;
if (((!UpToDate)&&(dt1 > UpdateDelay)) || ForceDownload){
dt1 = 0;
/*
* Execute Perl script to grab the Latest METAR Report
*/
sprintf(command, "GrabWeather %s &", StationID);
system(command);
ForceDownload = 0;
ForceUpdate = 1;
}
/*
* Wait for next update
*/
usleep(DELAY);
}
}
/*
* ParseCMDLine()
*/
void ParseCMDLine(int argc, char *argv[]) {
int i;
void print_usage();
StationID[0] = '\0';
PressureUnits = 0;
MetersPerSecond = 0;
ShowWindChill = 0;
UpdateDelay = DEFAULT_UPDATEDELAY;
for (i = 1; i < argc; i++) {
if (!strcmp(argv[i], "-display")){
++i;
} else if (!strcmp(argv[i], "-bc")){
if ((i+1 >= argc)||(argv[i+1][0] == '-')) {
fprintf(stderr, "wmWeather: No color found\n");
print_usage();
exit(-1);
}
strcpy(BackColor, argv[++i]);
} else if (!strcmp(argv[i], "-tc")){
if ((i+1 >= argc)||(argv[i+1][0] == '-')) {
fprintf(stderr, "wmWeather: No color found\n");
print_usage();
exit(-1);
}
strcpy(StationTimeColor, argv[++i]);
} else if (!strcmp(argv[i], "-lc")){
if ((i+1 >= argc)||(argv[i+1][0] == '-')) {
fprintf(stderr, "wmWeather: No color found\n");
print_usage();
exit(-1);
}
strcpy(LabelColor, argv[++i]);
} else if (!strcmp(argv[i], "-wgc")){
if ((i+1 >= argc)||(argv[i+1][0] == '-')) {
fprintf(stderr, "wmWeather: No color found\n");
print_usage();
exit(-1);
}
strcpy(WindGustColor, argv[++i]);
} else if (!strcmp(argv[i], "-dc")){
if ((i+1 >= argc)||(argv[i+1][0] == '-')) {
fprintf(stderr, "wmWeather: No color found\n");
print_usage();
exit(-1);
}
strcpy(DataColor, argv[++i]);
} else if (!strcmp(argv[i], "-beaufort")){
Beaufort = 1;
} else if (!strcmp(argv[i], "-mps")){
MetersPerSecond = 1;
} else if (!strcmp(argv[i], "-W")){
ShowWindChill = 1;
} else if ((!strcmp(argv[i], "-metric"))||(!strcmp(argv[i], "-m"))){
Metric = 1;
} else if (!strcmp(argv[i], "-kPa")){
PressureUnits = 1;
PressureConv = 3.38639;
} else if (!strcmp(argv[i], "-hPa")){
PressureUnits = 2;
PressureConv = 33.8639;
} else if (!strcmp(argv[i], "-mmHg")){
PressureUnits = 3;
PressureConv = 25.4;
} else if ((!strcmp(argv[i], "-station"))||(!strcmp(argv[i], "-s"))){
if ((i+1 >= argc)||(argv[i+1][0] == '-')) {
fprintf(stderr, "wmWeather: No METAR station ID found\n");
print_usage();
exit(-1);
}
strcpy(StationID, StringToUpper(argv[++i]));
} else if (!strcmp(argv[i], "-delay")) {
if( (i+1 >= argc)||(argv[i+1][0] == '-')) {
fprintf(stderr,"You must give a time with the -delay option.\n");
print_usage();
exit(-1);
} else if(sscanf(argv[i+1], "%ld", &UpdateDelay) != 1) {
fprintf(stderr,"Dont understand the delay time you have entered (%s).\n", argv[i+1]);
print_usage();
exit(-1);
}
/*
* Convert Time to seconds
*/
UpdateDelay *= 60;
++i;
} else {
print_usage();
exit(-11);
}
}
if (StationID[0] == '\0') {
fprintf(stderr, "\nwmWeather: You must specify a METAR station code\n\n");
print_usage();
exit(1);
}
if ((Metric)&&(PressureUnits == 0)){
PressureUnits = 3;
PressureConv = 25.4;
}
if (!Metric){
PressureConv = 1.0;
}
if (Beaufort && MetersPerSecond){
fprintf(stderr, "\nwmWeather: You cant use both -beaufort and -mps together.\n\n");
print_usage();
exit(1);
}
}
void print_usage(){
printf("\nwmWeather version: %s\n", WMWEATHER_VERSION);
printf("\nusage: wmWeather -s <StationID> [-display <Display>] [-h] [-metric] [-kPa] [-hPa] [-mmHg]\n");
printf(" [-beaufort] [-mps] [-W] [-delay <Time in Minutes>] [-bc <color>]\n");
printf(" [-lc <color>] [-dc <color>] [-wgc <color>] [-tc <color>]\n\n");
printf("\t-display <Display>\t\tUse alternate X display.\n\n");
printf("\t-h\t\t\t\tDisplay help screen.\n");
printf("\n\t-station <METAR StationID>\n");
printf("\t-s <METAR StationID>\tThe 4-character METAR Station ID.\n\n");
printf("\t-W\t\t\t\tIf available, display WindChill instead\n");
printf("\t\t\t\t\tof DewPoint Temperature.\n");
printf("\t-metric\n");
printf("\t-m\t\t\t\tDisplay variables in metric units.\n\n");
printf("\t-kPa\t\t\t\tWhen toggled to metric display, show pressure\n");
printf("\t\t\t\t\tin units of kPa.\n\n");
printf("\t-hPa\t\t\t\tWhen toggled to metric display, show pressure\n");
printf("\t\t\t\t\tin units of hPa.\n\n");
printf("\t-mmHg\t\t\t\tWhen toggled to metric display, show pressure\n");
printf("\t\t\t\t\tin units of mmHg. (This is the default for metric).\n\n");
printf("\t-beaufort\t\t\tWhen toggled to metric display, show windspeed\n");
printf("\t\t\t\t\ton the Beaufort scale. (default is km/h.)\n\n");
printf("\t-mps\t\t\t\tWhen toggled to metric display, show windspeed\n");
printf("\t\t\t\t\tin units of meters/second. (default is km/h.)\n\n");
printf("\t-bc <color>\t\t\tBackground color. (#7e9e69 is a greenish LCD color).\n\n");
printf("\t-lc <color>\t\t\tLabel color.\n\n");
printf("\t-dc <color>\t\t\tData color.\n\n");
printf("\t-wgc <color>\t\t\tGusty-wind/variable-direction color.\n\n");
printf("\t-tc <color>\t\t\tStation ID and Time color.\n\n");
printf("\t-delay <Time in Minutes>\tOverride time (in minutes) between updates (default\n");
printf("\t\t\t\t\tis %ld minutes). (Times are approximate.)\n", DEFAULT_UPDATEDELAY/60);
printf("\n\nTo find out more about the METAR/TAF system and to find the \n");
printf("METAR code for your location, look at:\n\n");
printf(" http://www.nws.noaa.gov/oso/oso1/oso12/metar.htm \n\n");
printf("for NOAA's ""National Weather Service METAR/TAF Information"" page.\n");
printf("To locate your site ID go to NOAA's ""Meteorological Station Information\nLookup"" page at:\n\n");
printf(" http://www.nws.noaa.gov/oso/siteloc.shtml\n\n");
}
/*
* Compute the Julian Day number for the given date.
* Julian Date is the number of days since noon of Jan 1 4713 B.C.
*/
double jd(ny, nm, nd, UT)
int ny, nm, nd;
double UT;
{
double A, B, C, D, JD, day;
day = nd + UT/24.0;
if ((nm == 1) || (nm == 2)){
ny = ny - 1;
nm = nm + 12;
}
if (((double)ny+nm/12.0+day/365.25)>=(1582.0+10.0/12.0+15.0/365.25)){
A = ((int)(ny / 100.0));
B = 2.0 - A + (int)(A/4.0);
}
else{
B = 0.0;
}
if (ny < 0.0){
C = (int)((365.25*(double)ny) - 0.75);
}
else{
C = (int)(365.25*(double)ny);
}
D = (int)(30.6001*(double)(nm+1));
JD = B + C + D + day + 1720994.5;
return(JD);
}
/*
* This routine handles button presses.
*
* - Left Mouse single click toggles Deg F/C for temperatures.
* - Some other click event should display the full METAR report -- lots of
* juicy stuff in there... Should bring up a separate window...
*
*
*/
void ButtonPressEvent(XButtonEvent *xev){
char Command[80];
/*
* Process single clicks.
*/
DblClkDelay = 0;
if ((xev->button == Button1) && (xev->type == ButtonPress)){
if (GotFirstClick1) GotDoubleClick1 = 1;
else GotFirstClick1 = 1;
} else if ((xev->button == Button2) && (xev->type == ButtonPress)){
if (GotFirstClick2) GotDoubleClick2 = 1;
else GotFirstClick2 = 1;
} else if ((xev->button == Button3) && (xev->type == ButtonPress)){
if (GotFirstClick3) GotDoubleClick3 = 1;
else GotFirstClick3 = 1;
}
/*
* We got a double click on Mouse Button1 (i.e. the left one)
*/
if (GotDoubleClick1) {
GotFirstClick1 = 0;
GotDoubleClick1 = 0;
sprintf(Command, "xmessage -center -file %s/.wmWeatherReports/%s.TXT &", getenv("HOME"), StationID);
system(Command);
}
/*
* We got a double click on Mouse Button2 (i.e. the left one)
*/
if (GotDoubleClick2) {
GotFirstClick2 = 0;
GotDoubleClick2 = 0;
}
/*
* We got a double click on Mouse Button3 (i.e. the left one)
*/
if (GotDoubleClick3) {
GotFirstClick3 = 0;
GotDoubleClick3 = 0;
ForceDownload = 1;
ForceUpdate = 1;
}
return;
}
/*
* This routine handles key presses.
*
*/
void KeyPressEvent(XKeyEvent *xev){
Metric = !Metric;
if (Metric){
switch(PressureUnits){
case 0: PressureConv = 25.4;
break;
case 1: PressureConv = 3.38639;
break;
case 2: PressureConv = 33.8639;
break;
case 3: PressureConv = 25.4;
break;
}
} else if (!Metric){
PressureConv = 1.0;
}
ForceUpdate = 1;
return;
}
char *StringToUpper(char *String) {
int i;
for (i = 0; i < strlen(String); i++)
String[i] = toupper(String[i]);
return String;
}