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XEphem/GUI/xephem/sites.c

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/* code to read and manipulate the shared and private site files.
*/
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include <math.h>
#include <stdlib.h>
#include <fnmatch.h>
#include <Xm/Xm.h>
#include <Xm/Form.h>
#include <Xm/Frame.h>
#include <Xm/Label.h>
#include <Xm/PushB.h>
#include <Xm/ToggleB.h>
#include <Xm/CascadeB.h>
#include <Xm/RowColumn.h>
#include <Xm/Separator.h>
#include <Xm/SelectioB.h>
#include <Xm/List.h>
#include <Xm/TextF.h>
#include "xephem.h"
extern char maincategory[];
static void read_files (void);
static int sites_cmpf (const void * v1, const void * v2);
static void create_sq_w (void);
static void fill_list (void);
static void buildNew (Widget w);
static void buildDST (Widget mb_w, char *prompt, Widget *m_w, Widget *w_w,
Widget *d_w, Widget *at_w);
static void addButtons (Widget pd_w, char **names, int nnames);
static void setMenuHistory (Widget w, int i);
static void read_file (FILE *fp);
static void scroll_sites (int i);
static void sq_set_cb (Widget w, XtPointer client, XtPointer call);
static void sq_search_cb (Widget w, XtPointer client, XtPointer call);
static void sq_dblclick_cb (Widget w, XtPointer client, XtPointer call);
static void sq_click_cb (Widget w, XtPointer client, XtPointer call);
static void sq_help_cb (Widget w, XtPointer client, XtPointer call);
static void sq_cancel_cb (Widget w, XtPointer client, XtPointer call);
static void sq_create_cb (Widget w, XtPointer client, XtPointer call);
static void sq_save_cb (Widget w, XtPointer client, XtPointer call);
static void sq_setmain_cb (Widget w, XtPointer client, XtPointer call);
static int buildNewSite (Site *sp);
static char *nows (char *bp);
static char *getTF (Widget w, char buf[], int bl);
static int getPDmH (Widget pd);
static Site *moreSites(void);
static Widget sq_w; /* sites query form dialog */
static Widget sql_w; /* sites query scrolled list */
static Widget srtf_w; /* search text field */
static Widget settf_w; /* set text field */
static Widget newf_w; /* form to un/manage to show create */
static Widget nsn_w; /* new site name TF*/
static Widget nlt_w; /* new site lat TF */
static Widget nlg_w; /* new site long TF */
static Widget nel_w; /* new site elev TF */
static Widget nzn_w; /* new site tz name TF */
static Widget nzo_w; /* new site tz offset TF */
static Widget ndn_w; /* new site dst name */
static Widget ndo_w; /* new site dst offset TF */
static Widget dbm_w; /* dst beg month pulldown */
static Widget dbw_w; /* dst beg week pulldown */
static Widget dbd_w; /* dst beg day-of-week pulldown */
static Widget dbat_w; /* dst beg time TF */
static Widget dem_w; /* dst end month pulldown */
static Widget dew_w; /* dst end week pulldown */
static Widget ded_w; /* dst end day-of-week pulldown */
static Widget deat_w; /* dst end time TF */
#define MAXSITELLEN 512 /* maximum site file line length */
static Site *sites; /* malloced list of Sites */
static int nsites; /* number of entries in sites array */
static char sfn[] = "xephem_sites";/* xephem site file */
/* strings in dst begin/end pulldown
* N.B. we don't use the string values, we presume to use children[] index
*/
static char *months[] = {
"January ", "February ", "March ", "April ", "May ", "June ",
"July ", "August ", "September", "October ", "November ", "December "
};
static char *weeks[] = {
"1", "2", "3", "4", "Last"
};
static char *dow[] = {
"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
};
static char twoam[] = " 2:00:00";
/* let user choose a site from a scrolled list */
void
sites_manage()
{
if (!sites)
read_files();
if (!sq_w) {
create_sq_w();
fill_list();
}
XtManageChild (sq_w);
}
/* give caller our list of sites, if wanted, but always return count */
int
sites_get_list (Site **sipp)
{
if (!sites)
read_files();
if (sipp)
*sipp = sites;
return (nsites);
}
/* search the sites list for one containing glob p.
* start after the current selection in the list, if any.
* return index into sites[] if find, else return -1.
*/
int
sites_search (char *p)
{
int *poslist, poscount;
int startpos;
int flags;
int i, n;
/* read files if first time */
if (!sites)
read_files();
/* decide where to start - resume if gui up, else just at front */
if (sql_w && XmListGetSelectedPos (sql_w, &poslist, &poscount)==True) {
startpos = poslist[0]%nsites; /* 1-based so already +1 */
XtFree ((char *)poslist);
} else
startpos = 0;
/* check each possible offset location starting at startpos.
*/
flags = 0;
#if defined(FNM_CASEFOLD) /* GNU extension only */
flags |= FNM_CASEFOLD;
#endif
for (n = 0, i = startpos; n < nsites; n++, i = (i+1)%nsites) {
Site *sip = &sites[i];
if (!fnmatch (p, sip->si_name, flags))
return (i);
}
return (-1);
}
/* fill ab[maxn] with an abbreviated version of full.
* N.B. allow for full == NULL or full[0] == '\0'.
*/
void
sites_abbrev (full, ab, maxn)
char *full, ab[];
int maxn;
{
int fl;
int n;
/* check edge conditions */
if (!full || (fl = strlen(full)) == 0)
return;
/* just copy if it all fits ok */
if (fl < maxn-1) {
(void) strcpy (ab, full);
return;
}
/* clip off words from the right until short enough.
* n is an index, not a count.
*/
for (n = fl-1; n >= maxn-4; ) {
while (n > 0 && isalnum(full[n]))
n--;
while (n > 0 && (ispunct(full[n]) || isspace(full[n])))
n--;
}
(void) sprintf (ab, "%.*s...", n+1, full);
}
/* make the site selection dialog */
static void
create_sq_w()
{
Widget w, cl_w, fr_w, add_w;
Arg args[20];
int n;
/* create outter form dialog */
n = 0;
XtSetArg (args[n], XmNautoUnmanage, False); n++;
XtSetArg (args[n], XmNverticalSpacing, 7); n++;
XtSetArg (args[n], XmNhorizontalSpacing, 7); n++;
XtSetArg (args[n], XmNcolormap, xe_cm); n++;
XtSetArg (args[n], XmNmarginHeight, 10); n++;
XtSetArg (args[n], XmNmarginWidth, 10); n++;
XtSetArg (args[n], XmNdefaultPosition, False); n++;
sq_w = XmCreateFormDialog(toplevel_w, "Sites", args, n);
set_something (sq_w, XmNcolormap, (XtArgVal)xe_cm);
XtAddCallback (sq_w, XmNhelpCallback, sq_help_cb, NULL);
sr_reg (XtParent(sq_w), "XEphem*Sites.x", maincategory, 0);
sr_reg (XtParent(sq_w), "XEphem*Sites.y", maincategory, 0);
/* set some stuff in the parent DialogShell.
* setting XmNdialogTitle in the Form didn't work..
*/
n = 0;
XtSetArg (args[n], XmNtitle, "xephem Site Selection"); n++;
XtSetValues (XtParent(sq_w), args, n);
/* make Close Add and Help across the bottom */
n = 0;
XtSetArg (args[n], XmNbottomAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_POSITION); n++;
XtSetArg (args[n], XmNleftPosition, 10); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_POSITION); n++;
XtSetArg (args[n], XmNrightPosition, 30); n++;
cl_w = XmCreatePushButton (sq_w, "Close", args, n);
wtip (cl_w, "Close this window");
XtAddCallback (cl_w, XmNactivateCallback, sq_cancel_cb, NULL);
XtManageChild (cl_w);
n = 0;
XtSetArg (args[n], XmNbottomAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_POSITION); n++;
XtSetArg (args[n], XmNleftPosition, 40); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_POSITION); n++;
XtSetArg (args[n], XmNrightPosition, 60); n++;
add_w = XmCreateToggleButton (sq_w, "Create", args, n);
wtip (add_w, "Build a new site definition");
wtip (add_w, "Show fields to build a new site entry");
XtAddCallback (add_w, XmNvalueChangedCallback, sq_create_cb, NULL);
XtManageChild (add_w);
n = 0;
XtSetArg (args[n], XmNbottomAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_POSITION); n++;
XtSetArg (args[n], XmNleftPosition, 70); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_POSITION); n++;
XtSetArg (args[n], XmNrightPosition, 90); n++;
w = XmCreatePushButton (sq_w, "Help", args, n);
wtip (w, "Get more info about this window");
XtAddCallback (w, XmNactivateCallback, sq_help_cb, NULL);
XtManageChild (w);
/* build new section */
n = 0;
XtSetArg (args[n], XmNbottomAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNbottomWidget, cl_w); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_FORM); n++;
fr_w = XmCreateFrame (sq_w, "New", args, n);
XtManageChild (fr_w);
buildNew (fr_w);
/* make a PB and TF to enter the set string above that */
n = 0;
XtSetArg (args[n], XmNbottomAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNbottomWidget, fr_w); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_POSITION); n++;
XtSetArg (args[n], XmNrightPosition, 20); n++;
w = XmCreatePushButton (sq_w, "Set", args, n);
XtAddCallback (w, XmNactivateCallback, sq_set_cb, NULL);
wtip (w, "Set Main site to string at right");
XtManageChild (w);
n = 0;
XtSetArg (args[n], XmNbottomAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNbottomWidget, fr_w); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNleftWidget, w); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNcolumns, 30); n++;
settf_w = XmCreateTextField (sq_w, "SetTF", args, n);
wtip (settf_w, "Candidate site");
XtAddCallback (settf_w, XmNactivateCallback, sq_set_cb, NULL);
XtManageChild (settf_w);
/* make a PB and TF to enter the search string above that */
n = 0;
XtSetArg (args[n], XmNbottomAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNbottomWidget, settf_w); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_POSITION); n++;
XtSetArg (args[n], XmNrightPosition, 20); n++;
w = XmCreatePushButton (sq_w, "Search", args, n);
XtAddCallback (w, XmNactivateCallback, sq_search_cb, NULL);
wtip (w, "Search for next Site matching glob at right");
XtManageChild (w);
n = 0;
XtSetArg (args[n], XmNbottomAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNbottomWidget, settf_w); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNleftWidget, w); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNcolumns, 30); n++;
srtf_w = XmCreateTextField (sq_w, "SearchTF", args, n);
wtip (srtf_w, "Candidate glob pattern");
XtAddCallback (srtf_w, XmNactivateCallback, sq_search_cb, NULL);
XtManageChild (srtf_w);
/* make the scrolled list at the top */
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNbottomAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNbottomWidget, srtf_w); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNselectionPolicy, XmBROWSE_SELECT); n++;
sql_w = XmCreateScrolledList (sq_w, "SiteSL", args, n);
wtip (sql_w, "Sites.. click to copy below, double-click to Set too");
XtAddCallback (sql_w, XmNdefaultActionCallback, sq_dblclick_cb, NULL);
XtAddCallback (sql_w, XmNbrowseSelectionCallback, sq_click_cb, NULL);
XtManageChild (sql_w);
}
/* build the section that lets the user build a new entry */
static void
buildNew (Widget frame_w)
{
typedef struct {
char *prompt; /* prompt label, or NULL for gap */
char *defstr; /* default string */
Widget *wp; /* text widget */
char *tip; /* tool tip */
} NewRC;
static NewRC newrc[] = {
{"Latitude:", " 40:00:00", &nlt_w, "Latitude, D:M:S +N"},
{"Longitude:", " 75:00:00", &nlg_w, "Longitude, D:M:S +W"},
{"Elevation:", " 0", &nel_w, "Elevation, m above MSL"},
{NULL},
{NULL},
{"Zone name:", " EST", &nzn_w, "Local time zone name"},
{"Offset:", " 5", &nzo_w, "Local hours west of UTC"},
{"DST name:", " EDT", &ndn_w, "Time zone name when DST"},
{"Offset:", " 4", &ndo_w, "Hours west when DST"},
};
Widget rc_w, mrc_w, w;
Arg args[20];
int i, n;
/* master form -- managed elsewhere */
n = 0;
XtSetArg (args[n], XmNverticalSpacing, 7); n++;
XtSetArg (args[n], XmNmarginHeight, 10); n++;
newf_w = XmCreateForm (frame_w, "NF", args, n);
/* site name */
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_POSITION); n++;
XtSetArg (args[n], XmNrightPosition, 20); n++;
w = XmCreateLabel (newf_w, "SN", args, n);
set_xmstring (w, XmNlabelString, "Site name:");
XtManageChild (w);
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNleftWidget, w); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_FORM); n++;
nsn_w = XmCreateTextField (newf_w, "SN", args, n);
wtip (nsn_w, "Enter name for new site");
XtManageChild (nsn_w);
/* next set consistent enough to use a RC */
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNtopWidget, nsn_w); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNpacking, XmPACK_COLUMN); n++;
XtSetArg (args[n], XmNorientation, XmHORIZONTAL); n++;
XtSetArg (args[n], XmNnumColumns, 4); n++;
XtSetArg (args[n], XmNspacing, 7); n++;
rc_w = XmCreateRowColumn (newf_w, "RC", args, n);
XtManageChild (rc_w);
/* build fields */
for (i = 0; i < XtNumber(newrc); i++) {
NewRC *p = &newrc[i];
if (p->prompt) {
n = 0;
w = XmCreateLabel (rc_w, "NSL", args, n);
set_xmstring (w, XmNlabelString, p->prompt);
XtManageChild (w);
n = 0;
XtSetArg (args[n], XmNvalue, p->defstr); n++;
XtSetArg (args[n], XmNcolumns, 10); n++;
w = XmCreateTextField (rc_w, "NST", args, n);
XtManageChild (w);
wtip (w, p->tip);
*p->wp = w;
} else {
n = 0;
w = XmCreateLabel (rc_w, "NSG", args, n);
set_xmstring (w, XmNlabelString, " ");
XtManageChild (w);
}
}
/* build DST begins and end controls */
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNtopWidget, rc_w); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNpacking, XmPACK_TIGHT); n++;
XtSetArg (args[n], XmNorientation, XmHORIZONTAL); n++;
mrc_w = XmCreateRowColumn (newf_w, "BMB", args, n);
wtip (mrc_w, "Rules for when summer savings time begins");
XtManageChild (mrc_w);
buildDST (mrc_w, "DST Beg", &dbm_w, &dbw_w, &dbd_w, &dbat_w);
setMenuHistory (dbm_w, 3);
setMenuHistory (dbw_w, 0);
setMenuHistory (dbd_w, 0);
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNtopWidget, mrc_w); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNpacking, XmPACK_TIGHT); n++;
XtSetArg (args[n], XmNorientation, XmHORIZONTAL); n++;
mrc_w = XmCreateRowColumn (newf_w, "BMB", args, n);
wtip (mrc_w, "Rules for when summer savings time ends");
XtManageChild (mrc_w);
buildDST (mrc_w, "DST End", &dem_w, &dew_w, &ded_w, &deat_w);
setMenuHistory (dem_w, 9);
setMenuHistory (dew_w, 4);
setMenuHistory (ded_w, 0);
/* Set main and Save PBs */
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNtopWidget, mrc_w); n++;
XtSetArg (args[n], XmNbottomAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_POSITION); n++;
XtSetArg (args[n], XmNleftPosition, 15); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_POSITION); n++;
XtSetArg (args[n], XmNrightPosition, 40); n++;
w = XmCreatePushButton (newf_w, "S", args, n);
wtip (w, "Install new site definition into Main");
set_xmstring (w, XmNlabelString, "Set main");
XtAddCallback (w, XmNactivateCallback, sq_setmain_cb, NULL);
XtManageChild (w);
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNtopWidget, mrc_w); n++;
XtSetArg (args[n], XmNbottomAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_POSITION); n++;
XtSetArg (args[n], XmNleftPosition, 60); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_POSITION); n++;
XtSetArg (args[n], XmNrightPosition, 85); n++;
w = XmCreatePushButton (newf_w, "S", args, n);
wtip (w, "Save new site definition to private xephem_sites file");
set_xmstring (w, XmNlabelString, "Save");
XtAddCallback (w, XmNactivateCallback, sq_save_cb, NULL);
XtManageChild (w);
}
static void
buildDST (Widget p_w, char *prompt, Widget *m_w, Widget *w_w, Widget *d_w,
Widget *at_w)
{
Widget w, om_w;
char buf[32];
Arg args[20];
int n;
n = 0;
w = XmCreateLabel (p_w, "DL", args, n);
set_xmstring (w, XmNlabelString, prompt);
XtManageChild (w);
n = 0;
*m_w = XmCreatePulldownMenu (p_w, "MPD", args, n);
addButtons (*m_w, months, XtNumber(months));
n = 0;
XtSetArg (args[n], XmNsubMenuId, *m_w); n++;
XtSetArg (args[n], XmNmarginHeight, 0); n++;
om_w = XmCreateOptionMenu (p_w, "MCB", args, n);
XtManageChild (om_w);
w = XmOptionButtonGadget (om_w);
n = 0;
XtSetArg (args[n], XmNmarginHeight, 0); n++;
XtSetValues (w, args, n);
n = 0;
*w_w = XmCreatePulldownMenu (p_w, "WPD", args, n);
addButtons (*w_w, weeks, XtNumber(weeks));
n = 0;
XtSetArg (args[n], XmNsubMenuId, *w_w); n++;
XtSetArg (args[n], XmNmarginHeight, 0); n++;
om_w = XmCreateOptionMenu (p_w, "WCB", args, n);
XtManageChild (om_w);
w = XmOptionButtonGadget (om_w);
n = 0;
XtSetArg (args[n], XmNmarginHeight, 0); n++;
XtSetValues (w, args, n);
n = 0;
*d_w = XmCreatePulldownMenu (p_w, "DPD", args, n);
addButtons (*d_w, dow, XtNumber(dow));
n = 0;
XtSetArg (args[n], XmNsubMenuId, *d_w); n++;
XtSetArg (args[n], XmNmarginHeight, 0); n++;
om_w = XmCreateOptionMenu (p_w, "DCB", args, n);
XtManageChild (om_w);
w = XmOptionButtonGadget (om_w);
n = 0;
XtSetArg (args[n], XmNmarginHeight, 0); n++;
XtSetValues (w, args, n);
n = 0;
w = XmCreateLabel (p_w, "AT", args, n);
set_xmstring (w, XmNlabelString, "at");
XtManageChild (w);
n = 0;
XtSetArg (args[n], XmNcolumns, 10); n++;
sprintf (buf, "%10s", twoam);
XtSetArg (args[n], XmNvalue, buf); n++;
*at_w = XmCreateTextField (p_w, "ATT", args, n);
XtManageChild (*at_w);
}
static void
addButtons (Widget pd_w, char **names, int nnames)
{
Widget w;
Arg args[20];
int i, n;
for (i = 0; i < nnames; i++) {
n = 0;
w = XmCreatePushButton (pd_w, "SPB", args, n);
set_xmstring (w, XmNlabelString, names[i]);
XtManageChild (w);
}
}
/* menuHistory in the given option menu to widget number i */
static void
setMenuHistory (Widget w, int i)
{
WidgetList children;
get_something (w, XmNchildren, (XtArgVal)&children);
set_something (w, XmNmenuHistory, (XtArgVal)children[i]);
}
/* shift the scrolled list so sites[i] is selected and visible */
static void
scroll_sites (i)
int i;
{
i += 1; /* List is 1-based */
XmListSetPos (sql_w, i); /* scroll it to top */
XmListSelectPos (sql_w, i, False); /* just highlight it */
}
/* reset the current sites list, read shared then merge private and sort */
static void
read_files ()
{
char fn[1024];
FILE *fp;
/* reset current list */
XtFree ((char *)sites);
sites = NULL;
nsites = 0;
/* try share then private */
sprintf (fn, "%s/auxil/%s", getShareDir(), sfn);
fp = fopenh (fn, "r");
if (fp) {
read_file (fp);
fclose (fp);
} else {
xe_msg (1, "%s:\n%s", fn, syserrstr());
}
sprintf (fn, "%s/%s", getPrivateDir(), sfn);
fp = fopenh (fn, "r");
if (fp) {
read_file (fp);
fclose (fp);
} else if (errno != ENOENT) { /* ok if just absent */
xe_msg (1, "%s:\n%s", fn, syserrstr());
}
/* sort by name */
qsort ((void *)sites, nsites, sizeof(Site), sites_cmpf);
}
/* read the given sites file and append to sites list.
* caller checks if nsites increased to gauge success
*/
static void
read_file (FILE *fp)
{
char buf[MAXSITELLEN];
/* read each entry, building up list */
while (fgets (buf, sizeof(buf), fp) != NULL) {
char name[MAXSITELLEN];
char tzdefn[128];
int latd, latm;
int lngd, lngm;
double lats, lngs;
char latNS, lngEW;
double lt, lg;
double ele;
Site *sp;
int l;
int nf;
/* read line.. skip if not complete. tz is optional */
tzdefn[0] = '\0';
nf = sscanf (buf, "%[^;]; %3d %2d %lf %c ; %3d %2d %lf %c ;%lf ; %s",
name, &latd, &latm, &lats, &latNS,
&lngd, &lngm, &lngs, &lngEW, &ele, tzdefn);
if (nf < 10)
continue;
/* strip trailing blanks off name */
for (l = strlen (name); --l >= 0; )
if (isspace(name[l]))
name[l] = '\0';
else
break;
/* crack location */
lt = degrad (latd + latm/60.0 + lats/3600.0);
if (latNS == 'S')
lt = -lt;
lg = degrad (lngd + lngm/60.0 + lngs/3600.0);
if (lngEW == 'W')
lg = -lg;
/* extend sites array */
sp = moreSites();
/* fill a new Site record */
memset ((void *)sp, 0, sizeof(Site));
sp->si_lat = (float)lt;
sp->si_lng = (float)lg;
sp->si_elev = (float)ele;
(void) strncpy (sp->si_tzdefn, tzdefn, sizeof(sp->si_tzdefn)-1);
(void) strncpy (sp->si_name, name, sizeof(sp->si_name)-1);
}
}
/* (re)fill the scrolled list sql_w with the set of sites.
* also tell earth view to redraw.
*/
static void
fill_list ()
{
XmString *xms;
int i;
/* build array of XmStrings for fast updating of the ScrolledList */
xms = (XmString *) XtMalloc (nsites * sizeof(XmString));
for (i = 0; i < nsites; i++)
xms[i] = XmStringCreateSimple (sites[i].si_name);
XmListDeleteAllItems (sql_w);
XmListAddItems (sql_w, xms, nsites, 0);
/* finished with the XmStrings table */
for (i = 0; i < nsites; i++)
XmStringFree (xms[i]);
XtFree ((void *)xms);
/* update earth list */
e_update (mm_get_now(), 1);
}
/* compare name portions of two pointers to Sites in qsort fashion.
*/
static int
sites_cmpf (const void * v1, const void * v2)
{
char *name1 = ((Site *)v1)->si_name;
char *name2 = ((Site *)v2)->si_name;
return (strcmp (name1, name2));
}
/* called when CR is hit in the Set text field /or/ from Set PB.
*/
/* ARGSUSED */
static void
sq_set_cb (w, client, call)
Widget w;
XtPointer client;
XtPointer call;
{
char *str = XmTextFieldGetString (settf_w);
int i;
/* if text field matches a site, use the full definition, else just
* use the simple string.
*/
for (i = 0; i < nsites; i++) {
if (!strcmp (sites[i].si_name, str)) {
scroll_sites (i);
mm_setsite(&sites[i], 0);
break;
}
}
if (i == nsites)
mm_sitename (str);
XtFree (str);
}
/* called when CR is hit in the search text field /or/ from Search PB */
/* ARGSUSED */
static void
sq_search_cb (w, client, call)
Widget w;
XtPointer client;
XtPointer call;
{
char *str;
int i;
str = XmTextFieldGetString (srtf_w);
i = sites_search (str);
if (i < 0)
xe_msg (1, "No matching site found.");
else {
/* Set and scroll */
XmTextFieldSetString (settf_w, sites[i].si_name);
scroll_sites (i);
}
XtFree (str);
}
/* called when an item in the scrolled list is double-clicked */
/* ARGSUSED */
static void
sq_dblclick_cb (w, client, call)
Widget w;
XtPointer client;
XtPointer call;
{
int *pos, npos;
int free;
/* put into Set field and install in Main, all at once */
if ((free = XmListGetSelectedPos (sql_w, &pos, &npos)) &&
npos == 1 && pos[0] > 0 && pos[0] <= nsites) {
Site *sip = &sites[pos[0]-1]; /* pos is 1-based */
XmTextFieldSetString (settf_w, sip->si_name);
mm_setsite(sip, 0);
} else {
xe_msg (1, "Bogus list selection");
}
if (free)
XtFree ((char *)pos);
}
/* called when an item in the scrolled list is single-clicked */
/* ARGSUSED */
static void
sq_click_cb (w, client, call)
Widget w;
XtPointer client;
XtPointer call;
{
int *pos, npos;
int free;
/* copy to set field */
if ((free = XmListGetSelectedPos (sql_w, &pos, &npos)) &&
npos == 1 && pos[0] > 0 && pos[0] <= nsites) {
Site *sip = &sites[pos[0]-1]; /* pos is 1-based */
XmTextFieldSetString (settf_w, sip->si_name);
} else {
xe_msg (1, "Bogus list selection");
}
if (free)
XtFree ((char *)pos);
}
/* callback from the Help button
*/
/* ARGSUSED */
static void
sq_help_cb (w, client, call)
Widget w;
XtPointer client;
XtPointer call;
{
static char *msg[] = {
"Load and select from a list of sites."
};
hlp_dialog ("MainMenu_sites_dialog", msg, XtNumber(msg));
}
/* called when the Cancel button is hit */
/* ARGSUSED */
static void
sq_cancel_cb (w, client, call)
Widget w;
XtPointer client;
XtPointer call;
{
XtUnmanageChild (sq_w);
}
/* called when the Add TB is hit */
/* ARGSUSED */
static void
sq_create_cb (w, client, call)
Widget w;
XtPointer client;
XtPointer call;
{
if (XmToggleButtonGetState (w))
XtManageChild (newf_w);
else
XtUnmanageChild (newf_w);
}
/* called when the Set main PB is hit */
/* ARGSUSED */
static void
sq_setmain_cb (w, client, call)
Widget w;
XtPointer client;
XtPointer call;
{
Site ns;
if (buildNewSite(&ns) < 0)
return;
mm_setsite (&ns, 0);
}
/* called when the Save PB is hit */
/* ARGSUSED */
static void
sq_save_cb (w, client, call)
Widget w;
XtPointer client;
XtPointer call;
{
char fn[1024];
Site ns;
FILE *fp;
if (buildNewSite(&ns) < 0)
return;
/* add to display set */
memcpy (moreSites(), &ns, sizeof(ns));
qsort ((void *)sites, nsites, sizeof(Site), sites_cmpf);
fill_list();
/* append to private file */
sprintf (fn, "%s/%s", getPrivateDir(), sfn);
fp = fopenh (fn, "a+");
if (fp) {
/* 123:45:67 */
char latbuf[32], lngbuf[32];
fs_sexa (latbuf, raddeg(fabs(ns.si_lat)), 3, 3600);
fs_sexa (lngbuf, raddeg(fabs(ns.si_lng)), 3, 3600);
fprintf (fp,
"%-40s; %.3s %.2s %.2s %c ; %.3s %.2s %.2s %c ;%6.1f ; %s\n",
ns.si_name,
latbuf, latbuf+4, latbuf+7, ns.si_lat < 0 ? 'S' : 'N',
lngbuf, lngbuf+4, lngbuf+7, ns.si_lng < 0 ? 'W' : 'E',
ns.si_elev, ns.si_tzdefn);
fclose (fp);
} else {
xe_msg (1, "%s:\n%s", fn, syserrstr());
}
}
/* gather widget settings and build a new Site.
* return 0 if looks ok, else -1
*/
static int
buildNewSite (Site *sp)
{
char buf[128], *bp;
int bl = sizeof(buf);
double tmp;
int zl;
/* init */
memset (sp, 0, sizeof(*sp));
/* always gather name lat long elev */
strncpy (sp->si_name, getTF(nsn_w,buf,bl), sizeof(sp->si_name)-1);
if (strlen(sp->si_name) == 0) {
xe_msg (1, "Please specify a site name");
return (-1);
}
f_scansexa (getTF(nlt_w,buf,bl), &tmp);
sp->si_lat = (float) degrad (tmp);
f_scansexa (getTF(nlg_w,buf,bl), &tmp);
sp->si_lng = (float) degrad (-tmp);
sp->si_elev = (float) strtod (getTF(nel_w,buf,bl), NULL);
zl = 0;
zl += sprintf (sp->si_tzdefn+zl, "%s", nows(getTF(nzn_w,buf,bl)));
f_scansexa (getTF(nzo_w,buf,bl), &tmp);
if (tmp - (int)tmp != 0)
fs_sexa (buf, tmp, 2, 60);
zl += sprintf (sp->si_tzdefn+zl, "%s", nows(buf));
/* only do the rest if dst name is non-blank */
bp = nows(getTF(ndn_w,buf,bl));
if (strlen(bp) > 0) {
zl += sprintf (sp->si_tzdefn+zl, "%s", bp);
f_scansexa (getTF(ndo_w,buf,bl), &tmp);
if (tmp - (int)tmp != 0)
fs_sexa (buf, tmp, 2, 60);
zl += sprintf (sp->si_tzdefn+zl, "%s", nows(buf));
zl += sprintf (sp->si_tzdefn+zl, ",M%d", getPDmH (dbm_w)+1);
zl += sprintf (sp->si_tzdefn+zl, ".%d", getPDmH (dbw_w)+1);
zl += sprintf (sp->si_tzdefn+zl, ".%d", getPDmH (dbd_w));
f_scansexa (getTF(dbat_w,buf,bl), &tmp);
fs_sexa (buf, tmp, 3, 3600);
if (strcmp(buf,twoam))
zl += sprintf (sp->si_tzdefn+zl, "/%s", nows(buf));
zl += sprintf (sp->si_tzdefn+zl, ",M%d", getPDmH (dem_w)+1);
zl += sprintf (sp->si_tzdefn+zl, ".%d", getPDmH (dew_w)+1);
zl += sprintf (sp->si_tzdefn+zl, ".%d", getPDmH (ded_w));
f_scansexa (getTF(deat_w,buf,bl), &tmp);
fs_sexa (buf, tmp, 3, 3600);
if (strcmp(buf,twoam))
zl += sprintf (sp->si_tzdefn+zl, "/%s", nows(buf));
}
/*
fprintf (stderr, "'%s' '%s'\n", sp->si_name, sp->si_tzdefn);
*/
return (0);
}
/* extract up to bl-1 chars of text from given text field widget into buf,
* return buf which always includes EOS.
*/
static char *
getTF (Widget w, char buf[], int bl)
{
char *txt;
txt = XmTextFieldGetString (w);
strncpy (buf, txt, bl);
XtFree (txt);
buf[bl-1] = '\0';
return (buf);
}
/* remove all white space from bp IN PLACE and return first non-white char */
static char *
nows (char *bp)
{
char *start = NULL, *dest;
for (dest = bp; *bp; bp++) {
if (*bp != ' ') {
if (!start)
start = dest;
*dest++ = *bp;
}
}
*dest = '\0';
return (start ? start : bp);
}
/* scan the children of the given pulldown menu and return the children[]
* index of the one matching menuHistory
*/
static int
getPDmH (Widget pd)
{
WidgetList children;
Cardinal numChildren;
Widget mh;
int i;
get_something (pd, XmNchildren, (XtArgVal)&children);
get_something (pd, XmNnumChildren, (XtArgVal)&numChildren);
get_something (pd, XmNmenuHistory, (XtArgVal)&mh);
for (i = 0; i < numChildren; i++)
if (children[i] == mh)
return (i);
printf ("Bug! no menuHistory for %s\n", XtName(pd));
abort();
}
/* extend sites[] by one and return pointer to new entry */
static Site *
moreSites()
{
sites = (Site *) XtRealloc ((void *)sites, (nsites+1)*sizeof(Site));
return (&sites[nsites++]);
}
/* For RCS Only -- Do Not Edit */
static char *rcsid[2] = {(char *)rcsid, "@(#) $RCSfile: sites.c,v $ $Date: 2006/08/21 20:04:30 $ $Revision: 1.27 $ $Name: $"};
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