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XEphem/GUI/xephem/marsmmenu.c

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/* code to manage the mars moon stuff.
*/
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <math.h>
#include <Xm/Xm.h>
#include <Xm/Form.h>
#include <Xm/Frame.h>
#include <Xm/Label.h>
#include <Xm/PushB.h>
#include <Xm/CascadeB.h>
#include <Xm/Separator.h>
#include <Xm/Scale.h>
#include <Xm/RowColumn.h>
#include <Xm/DrawingA.h>
#include <Xm/ToggleB.h>
#include <Xm/TextF.h>
#include "xephem.h"
extern char marscategory[];
#define MINR 10 /* min distance for picking, pixels */
/* local record of what is now on screen for easy id from mouse picking.
*/
typedef struct {
Obj o; /* copy of object info.
* copy from DB or, if mars moon, we fill in just
* o_name and s_mag/ra/dec
*/
int x, y; /* screen coord */
} ScreenObj;
/* malloced arrays for each view */
typedef enum {
SO_MAIN, SO_SHADOW, SO_TOP, SO_N
} SOIdx;
static ScreenObj *screenobj[SO_N];
static int nscreenobj[SO_N];
static void marsm_create_shell_w (void);
static void marsm_create_tvform_w (void);
static void marsm_create_msform_w (void);
static void marsm_set_buttons (int whether);
static void marsm_sstats_close_cb (Widget w, XtPointer client,
XtPointer call);
static void marsm_sstats_cb (Widget w, XtPointer client, XtPointer call);
static void marsm_option_cb (Widget w, XtPointer client, XtPointer call);
static void marsm_cpdmapping_cb (Widget w, XtPointer client, XtPointer call);
static void marsm_scale_cb (Widget w, XtPointer client, XtPointer call);
static void marsm_activate_cb (Widget w, XtPointer client, XtPointer call);
static void mt_unmap_cb (Widget w, XtPointer client, XtPointer call);
static void mt_map_cb (Widget w, XtPointer client, XtPointer call);
static void mt_track_size (void);
static void mt_da_exp_cb (Widget w, XtPointer client, XtPointer call);
static void marsm_popdown_cb (Widget w, XtPointer client, XtPointer call);
static void marsm_close_cb (Widget w, XtPointer client, XtPointer call);
static void marsm_mloop_cb (Widget w, XtPointer client, XtPointer call);
static void marsm_anim_cb (Widget w, XtPointer client, XtPointer call);
static void marsm_da_exp_cb (Widget w, XtPointer client, XtPointer call);
static void marsm_da_input_cb (Widget w, XtPointer client, XtPointer call);
static void marsm_create_popup (void);
static void marsm_fill_popup (ScreenObj *sop, int justname);
static void marsm_help_cb (Widget w, XtPointer client, XtPointer call);
static void marsm_helpon_cb (Widget w, XtPointer client, XtPointer call);
static void marsm_goto_cb (Widget w, XtPointer client, XtPointer call);
static void marsm_print_cb (Widget w, XtPointer client, XtPointer call);
static void marsm_print (void);
static void make_gcs (Widget w);
static void marsm_ps_annotate (Now *np);
static void marsm_calibline (Display *dsp, Drawable win, GC gc, int xc,
int yc, char *tag, int tw, int th, int l);
static void marsm_draw_map (Widget w, Obj *mop, double msize,
MoonData md[M_NMOONS]);
static int marsm_ano (double *mX, double *mZ, int *xp, int *yp, int w2x,
int arg);
static int mtm_ano (double *mX, double *mZ, int *xp, int *yp, int w2x, int arg);
static void add_screenobj (SOIdx, Obj *op, int x, int y);
static void reset_screenobj (SOIdx);
static ScreenObj *close_screenobj (SOIdx, int x, int y);
static void sky_background (Drawable win, unsigned w, unsigned h, int fmag,
double ra0, double dec0, double scale, double rad, int fliptb, int fliplr);
static Widget mmshell_w; /* main shell */
static Widget msform_w; /* statistics form */
static Widget mmframe_w; /* main frame */
static Widget mtform_w; /* top-view form */
static Widget mtframe_w; /* top-view frame */
static Widget mda_w; /* main drawing area */
static Widget mtda_w; /* top-view drawing area */
static Widget scale_w; /* size scale */
static Widget limmag_w; /* limiting magnitude scale */
static Widget dt_w; /* main date/time stamp widget */
static Widget sdt_w; /* statistics date/time stamp widget */
static Widget skybkg_w; /* toggle for controlling sky background */
static Widget topview_w; /* toggle for controlling top view */
static Widget tel_w; /* PB to send position to telescope */
static Pixmap marsm_pm; /* main pixmap */
static Pixmap mt_pm; /* top-view pixmap */
static GC marsm_fgc, marsm_bgc; /* various colors and operators */
static GC marsm_xgc; /* xor for moons and labels */
static XFontStruct *marsm_fs; /* font for labels */
static int marsm_cw, marsm_ch; /* size of label font */
static int marsm_selecting; /* set while our fields are being selected */
static int brmoons; /* whether we want to brightten the moons */
static int tags; /* whether we want tags on the drawing */
static int flip_tb; /* whether we want to flip top/bottom */
static int flip_lr; /* whether we want to flip left/right */
static int skybkg; /* whether we want sky background */
static int topview; /* whether we want the top view */
static Widget mmpu_w; /* main popup */
static Widget mmpu_name_w; /* popup name label */
static Widget mmpu_ra_w; /* popup RA label */
static Widget mmpu_dec_w; /* popup Dec label */
static Widget mmpu_mag_w; /* popup Mag label */
#define MAXSCALE 10.0 /* max scale mag factor */
#define NORM 100.0 /* max radius; used to normalize */
#define MAPSCALE(r) ((r)*((int)nx)/NORM/2*scale)
#define XCORD(x) ((int)(((int)nx)/2.0 + ew*MAPSCALE(x) + 0.5))
#define YCORD(y) ((int)(((int)ny)/2.0 - ns*MAPSCALE(y) + 0.5))
#define ZCORD(z) ((int)(((int)ny)/2.0 + MAPSCALE(z) + 0.5))
#define MOVIE_STEPSZ (1./12.)/* movie step size, hours */
#define PRTR 20 /* printing table row, up from bottom */
#define PRCW 7 /* printing char width */
/* field star support */
static ObjF *fstars; /* malloced list of field stars, or NULL */
static int nfstars; /* number of entries in fstars[] */
static double fsdec, fsra; /* location when field stars were loaded */
#define FSFOV degrad(1.0) /* size of FOV to fetch, rads */
#define FSMAG 20.0 /* limiting mag for fetch */
#define FSMOVE degrad(.2) /* reload when mars has moved this far, rads */
static void marsm_loadfs (double ra, double dec);
enum {CEV, CSV, CPS, CTR, CX, CY, CZ, CRA, CDEC, CMAG, CNum};/*marsm_w col idx*/
static Widget marsm_w[M_NMOONS][CNum]; /* the data display widgets */
static double pole_ra, pole_dec;
/* called when the mars moon view is activated from the mars pulldown.
* then we begin a life of our own as a toplevel shell.
* if never called before, create and manage all the widgets as a child of a
* form. otherwise, just insure up.
*/
void
marsm_manage (void)
{
if (!mmshell_w) {
marsm_create_shell_w();
marsm_create_msform_w();
marsm_create_tvform_w();
}
XtPopup (mmshell_w, XtGrabNone);
set_something (mmshell_w, XmNiconic, (XtArgVal)False);
marsm_set_buttons(marsm_selecting);
}
/* called to recompute and fill in values for the Mars moon menu.
* don't bother if it doesn't exist or is unmanaged now or no one is logging.
*/
void
marsm_update (np, how_much)
Now *np;
int how_much;
{
static char fmt[] = "%7.3f";
Obj *eop = db_basic (SUN);
Obj *mop = db_basic (MARS);
MoonData md[M_NMOONS];
char *dir, buf[1024];
int wantstats;
double msize;
int i;
/* see if we should bother */
if (!mmshell_w)
return;
wantstats = XtIsManaged(msform_w) || any_ison() || how_much;
if (!isUp(mmshell_w) && !wantstats)
return;
watch_cursor (1);
/* compute md[0].x/y/z/mag/ra/dec and md[1..NM-1].x/y/z/mag info */
sprintf (buf, "%s/auxil", getShareDir());
dir = expand_home (buf);
marsm_data (mjd, dir, eop, mop, &msize, &pole_ra, &pole_dec, md);
if (wantstats) {
for (i = 0; i < M_NMOONS; i++) {
if (i > 0) {
f_double (marsm_w[i][CEV], "%1.0f", (double)md[i].evis);
f_double (marsm_w[i][CSV], "%1.0f", (double)md[i].svis);
f_double (marsm_w[i][CPS], "%1.0f", (double)md[i].pshad);
f_double (marsm_w[i][CTR], "%1.0f", (double)md[i].trans);
f_double (marsm_w[i][CX], fmt, md[i].x);
f_double (marsm_w[i][CY], fmt, md[i].y);
f_double (marsm_w[i][CZ], fmt, md[i].z);
}
f_double (marsm_w[i][CMAG], "%4.1f", md[i].mag);
f_ra (marsm_w[i][CRA], md[i].ra);
f_prdec (marsm_w[i][CDEC], md[i].dec);
}
timestamp (np, sdt_w);
}
if (isUp(mmshell_w)) {
marsm_draw_map (mda_w, mop, msize, md);
timestamp (np, dt_w);
}
watch_cursor (0);
}
/* called when basic resources change.
* rebuild and redraw.
*/
void
marsm_newres (void)
{
if (!mmshell_w)
return;
make_gcs (mda_w);
marsm_update (mm_get_now(), 1);
}
/* called when the database has changed.
* if we are drawing background, we'd best redraw everything.
*/
/* ARGSUSED */
void
marsm_newdb (appended)
int appended;
{
if (skybkg)
marsm_update (mm_get_now(), 1);
}
int
marsm_ison (void)
{
return (isUp(mmshell_w));
}
/* called by other menus as they want to hear from our buttons or not.
* the "on"s and "off"s stack - only really redo the buttons if it's the
* first on or the last off.
*/
void
marsm_selection_mode (whether)
int whether; /* whether setting up for plotting or for not plotting */
{
if (whether)
marsm_selecting++;
else if (marsm_selecting > 0)
--marsm_selecting;
if (mmshell_w)
if ((whether && marsm_selecting == 1) /* first one to want on */
|| (!whether && marsm_selecting == 0) /* last one to want off */)
marsm_set_buttons (whether);
}
/* called to put up or remove the watch cursor. */
void
marsm_cursor (c)
Cursor c;
{
Window win;
if (mmshell_w && (win = XtWindow(mmshell_w)) != 0) {
Display *dsp = XtDisplay(mmshell_w);
if (c)
XDefineCursor (dsp, win, c);
else
XUndefineCursor (dsp, win);
}
if (msform_w && (win = XtWindow(msform_w)) != 0) {
Display *dsp = XtDisplay(msform_w);
if (c)
XDefineCursor (dsp, win, c);
else
XUndefineCursor (dsp, win);
}
if (mtform_w && (win = XtWindow(mtform_w)) != 0) {
Display *dsp = XtDisplay(mtform_w);
if (c)
XDefineCursor (dsp, win, c);
else
XUndefineCursor (dsp, win);
}
}
/* create the main moons shell */
static void
marsm_create_shell_w (void)
{
typedef struct {
char *name; /* toggle button instance name, or NULL */
char *label; /* label */
int *flagp; /* pointer to global flag, or NULL if none */
Widget *wp; /* widget to save, or NULL */
char *tip; /* widget tip */
} Option;
static Option options[] = {
{NULL, "Top view", &topview, &topview_w,
"When on, show view looking from high above N pole"},
{"SkyBkg", "Sky background", &skybkg, &skybkg_w,
"When on, sky will include database objects and Field Stars"},
{"BrightMoons","Bright moons", &brmoons, NULL,
"Display moons disproportionately bright, even if below limit"},
{"Tags", "Tags", &tags, NULL,
"Label each moon with its Roman Numeral sequence number"},
{"FlipTB", "Flip T/B", &flip_tb, NULL,
"Flip the display top-to-bottom"},
{"FlipLR", "Flip L/R", &flip_lr, NULL,
"Flip the display left-to-right"},
};
typedef struct {
char *label; /* what goes on the help label */
char *key; /* string to call hlp_dialog() */
} HelpOn;
static HelpOn helpon[] = {
{"Intro...", "MarsMoons"},
{"on Mouse...", "MarsMoons_mouse"},
{"on Control...", "MarsMoons_control"},
{"on View...", "MarsMoons_view"},
};
Widget w;
Widget mb_w, pd_w, cb_w;
Widget mmform_w;
XmString str;
Arg args[20];
int n;
int i;
/* create form and its shell */
n = 0;
XtSetArg (args[n], XmNtitle, "xephem Mars moon view"); n++;
XtSetArg (args[n], XmNcolormap, xe_cm); n++;
XtSetArg (args[n], XmNiconName, "MarsMoon"); n++;
XtSetArg (args[n], XmNdeleteResponse, XmUNMAP); n++;
mmshell_w = XtCreatePopupShell ("MarsMoons", topLevelShellWidgetClass,
toplevel_w, args, n);
setup_icon (mmshell_w);
set_something (mmshell_w, XmNcolormap, (XtArgVal)xe_cm);
XtAddCallback (mmshell_w, XmNpopdownCallback, marsm_popdown_cb, 0);
sr_reg (mmshell_w, "XEphem*MarsMoons.width", marscategory, 0);
sr_reg (mmshell_w, "XEphem*MarsMoons.height", marscategory, 0);
sr_reg (mmshell_w, "XEphem*MarsMoons.x", marscategory, 0);
sr_reg (mmshell_w, "XEphem*MarsMoons.y", marscategory, 0);
n = 0;
mmform_w = XmCreateForm (mmshell_w, "MarsMoons", args, n);
XtAddCallback (mmform_w, XmNhelpCallback, marsm_help_cb, 0);
XtManageChild (mmform_w);
/* create the menu bar across the top */
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_FORM); n++;
mb_w = XmCreateMenuBar (mmform_w, "MB", args, n);
XtManageChild (mb_w);
/* make the Control pulldown */
n = 0;
pd_w = XmCreatePulldownMenu (mb_w, "ControlPD", args, n);
XtAddCallback (pd_w, XmNmapCallback, marsm_cpdmapping_cb, NULL);
n = 0;
XtSetArg (args[n], XmNsubMenuId, pd_w); n++;
XtSetArg (args[n], XmNmnemonic, 'C'); n++;
cb_w = XmCreateCascadeButton (mb_w, "ControlCB", args, n);
set_xmstring (cb_w, XmNlabelString, "Control");
XtManageChild (cb_w);
/* add the "Print" push button */
n = 0;
w = XmCreatePushButton (pd_w, "P", args, n);
set_xmstring (w, XmNlabelString, "Print...");
XtAddCallback (w, XmNactivateCallback, marsm_print_cb, 0);
wtip (w, "Print front view and detail table");
XtManageChild (w);
/* add the "Anno" push button */
n = 0;
w = XmCreatePushButton (pd_w, "A", args, n);
set_xmstring (w, XmNlabelString, "User annotation...");
XtAddCallback (w, XmNactivateCallback, ano_cb, 0);
wtip (w, "Open window to create and manage your own annotation");
XtManageChild (w);
/* add the "Field stars" push button */
n = 0;
w = XmCreatePushButton (pd_w, "FS", args, n);
set_xmstring (w, XmNlabelString, "Field Stars...");
XtAddCallback (w, XmNactivateCallback, (XtCallbackProc)fs_manage,0);
wtip (w, "Define where GSC and PPM catalogs are to be found");
XtManageChild (w);
/* add the "GOTO" push button */
n = 0;
tel_w = XmCreatePushButton (pd_w, "GOTO", args, n);
set_xmstring (tel_w, XmNlabelString, "Telescope GoTo");
XtAddCallback (tel_w, XmNactivateCallback, marsm_goto_cb, 0);
wtip (tel_w, "Send position to external application");
XtManageChild (tel_w);
/* add the "movie" push button */
n = 0;
w = XmCreatePushButton (pd_w, "Anim", args, n);
set_xmstring (w, XmNlabelString, "Animation demo");
XtAddCallback (w, XmNactivateCallback, marsm_anim_cb, 0);
wtip (w, "Start/Stop a fun time-lapse animation");
XtManageChild (w);
/* add the "Movie" push button */
n = 0;
n += ml_addacc (args, n);
w = XmCreatePushButton (pd_w, "ML", args, n);
set_xmstring (w, XmNlabelString, "Add to movie...");
XtAddCallback (w, XmNactivateCallback, marsm_mloop_cb, 0);
wtip (w, "Add this scene to the movie loop");
XtManageChild (w);
/* add the "close" push button beneath a separator */
n = 0;
w = XmCreateSeparator (pd_w, "Sep", args, n);
XtManageChild (w);
n = 0;
w = XmCreatePushButton (pd_w, "Close", args, n);
XtAddCallback (w, XmNactivateCallback, marsm_close_cb, 0);
wtip (w, "Close this and all supporting dialogs");
XtManageChild (w);
/* make the View pulldown */
n = 0;
pd_w = XmCreatePulldownMenu (mb_w, "ViewPD", args, n);
n = 0;
XtSetArg (args[n], XmNsubMenuId, pd_w); n++;
XtSetArg (args[n], XmNmnemonic, 'V'); n++;
cb_w = XmCreateCascadeButton (mb_w, "ViewCB", args, n);
set_xmstring (cb_w, XmNlabelString, "View");
XtManageChild (cb_w);
for (i = 0; i < XtNumber(options); i++) {
Option *op = &options[i];
n = 0;
XtSetArg (args[n], XmNvisibleWhenOff, True); n++;
XtSetArg (args[n], XmNmarginHeight, 0); n++;
XtSetArg (args[n], XmNindicatorType, XmN_OF_MANY); n++;
w = XmCreateToggleButton (pd_w, op->name ? op->name : "MMTB",
args, n);
XtAddCallback (w, XmNvalueChangedCallback, marsm_option_cb,
(XtPointer)(op->flagp));
set_xmstring (w, XmNlabelString, op->label);
if (op->flagp)
*(op->flagp) = XmToggleButtonGetState(w);
if (op->wp)
*op->wp = w;
if (op->tip)
wtip (w, op->tip);
XtManageChild (w);
if (op->name)
sr_reg (w, NULL, marscategory, 1);
}
/* add a separator */
n = 0;
w = XmCreateSeparator (pd_w, "Sep", args, n);
XtManageChild (w);
/* add the More Info control */
n = 0;
w = XmCreatePushButton (pd_w, "Stats", args, n);
set_xmstring (w, XmNlabelString, "More info...");
XtAddCallback (w, XmNactivateCallback, marsm_sstats_cb, NULL);
wtip (w, "Display additional details");
XtManageChild (w);
/* make the help pulldown */
n = 0;
pd_w = XmCreatePulldownMenu (mb_w, "HelpPD", args, n);
n = 0;
XtSetArg (args[n], XmNsubMenuId, pd_w); n++;
XtSetArg (args[n], XmNmnemonic, 'H'); n++;
cb_w = XmCreateCascadeButton (mb_w, "HelpCB", args, n);
set_xmstring (cb_w, XmNlabelString, "Help");
XtManageChild (cb_w);
set_something (mb_w, XmNmenuHelpWidget, (XtArgVal)cb_w);
for (i = 0; i < XtNumber(helpon); i++) {
HelpOn *hp = &helpon[i];
str = XmStringCreate (hp->label, XmSTRING_DEFAULT_CHARSET);
n = 0;
XtSetArg (args[n], XmNlabelString, str); n++;
XtSetArg (args[n], XmNmarginHeight, 0); n++;
w = XmCreatePushButton (pd_w, "Help", args, n);
XtAddCallback (w, XmNactivateCallback, marsm_helpon_cb,
(XtPointer)(hp->key));
XtManageChild (w);
XmStringFree(str);
}
/* make the date/time stamp label */
n = 0;
XtSetArg (args[n], XmNbottomAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_FORM); n++;
dt_w = XmCreateLabel (mmform_w, "DateStamp", args, n);
timestamp (mm_get_now(), dt_w); /* establishes size */
wtip (dt_w, "Date and Time for which map is computed");
XtManageChild (dt_w);
/* make the scale widget.
* attach both top and bottom so it's the one to follow resizing.
*/
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNtopWidget, mb_w); n++;
XtSetArg (args[n], XmNbottomAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNbottomWidget, dt_w); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNmaximum, 100); n++;
XtSetArg (args[n], XmNminimum, 0); n++;
XtSetArg (args[n], XmNscaleMultiple, 10); n++;
XtSetArg (args[n], XmNorientation, XmVERTICAL); n++;
XtSetArg (args[n], XmNprocessingDirection, XmMAX_ON_TOP); n++;
scale_w = XmCreateScale (mmform_w, "Scale", args, n);
XtAddCallback (scale_w, XmNdragCallback, marsm_scale_cb, 0);
XtAddCallback (scale_w, XmNvalueChangedCallback, marsm_scale_cb, 0);
wtip (scale_w, "Zoom in and out");
XtManageChild (scale_w);
sr_reg (scale_w, NULL, marscategory, 0);
/* make the limiting mag scale widget.
* attach both top and bottom so it's the one to follow resizing.
*/
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNtopWidget, mb_w); n++;
XtSetArg (args[n], XmNbottomAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNbottomWidget, dt_w); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNmaximum, 20); n++;
XtSetArg (args[n], XmNminimum, 0); n++;
XtSetArg (args[n], XmNscaleMultiple, 1); n++;
XtSetArg (args[n], XmNorientation, XmVERTICAL); n++;
XtSetArg (args[n], XmNprocessingDirection, XmMAX_ON_TOP); n++;
XtSetArg (args[n], XmNshowValue, True); n++;
limmag_w = XmCreateScale (mmform_w, "LimMag", args, n);
XtAddCallback (limmag_w, XmNdragCallback, marsm_scale_cb, 0);
XtAddCallback (limmag_w, XmNvalueChangedCallback, marsm_scale_cb, 0);
wtip (limmag_w, "Adjust the brightness and limiting magnitude");
XtManageChild (limmag_w);
sr_reg (limmag_w, NULL, marscategory, 0);
/* make a frame for the drawing area.
* attach both top and bottom so it's the one to follow resizing.
*/
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNtopWidget, mb_w); n++;
XtSetArg (args[n], XmNbottomAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNbottomWidget, dt_w); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNleftWidget, scale_w); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNrightWidget, limmag_w); n++;
XtSetArg (args[n], XmNshadowType, XmSHADOW_ETCHED_OUT); n++;
mmframe_w = XmCreateFrame (mmform_w, "UFrame", args, n);
XtManageChild (mmframe_w);
/* make a drawing area for drawing the little map */
n = 0;
mda_w = XmCreateDrawingArea (mmframe_w, "MarsMoons", args, n);
XtAddCallback (mda_w, XmNexposeCallback, marsm_da_exp_cb, 0);
XtAddCallback (mda_w, XmNinputCallback, marsm_da_input_cb,
(XtPointer)SO_MAIN);
XtManageChild (mda_w);
}
/* make the statistics form dialog */
static void
marsm_create_msform_w (void)
{
typedef struct {
int col; /* C* column code */
int moononly; /* applies to moons only */
char *collabel; /* column label */
char *suffix; /* suffix for plot/list/search name */
char *tip; /* widget tip */
} MoonColumn;
static MoonColumn mc[] = {
{CEV, 1, "E", "EVis",
"Whether geometrically visible from Earth"},
{CSV, 1, "S", "SVis",
"Whether in Sun light"},
{CPS, 1, "P", "PShad",
"Whether shadow falls on planet"},
{CTR, 1, "T", "Transit",
"Whether moon is transitting face of planet"},
{CX, 1, "X (+E)", "X",
"Apparent displacement east of planetary center"},
{CY, 1, "Y (+S)", "Y",
"Apparent displacement south of planetary center"},
{CZ, 1, "Z (+front)", "Z",
"Mars radii towards Earth from planetary center"},
{CRA, 0, "RA", "RA",
"Right Ascension (to Main's settings)"},
{CDEC, 0, "Dec", "Dec",
"Declination (to Main's settings)"},
{CMAG, 0, "Mag", "Mag",
"Apparent visual magnitude"},
};
MoonData md[M_NMOONS];
Widget w;
Widget rc_w, title_w, sep_w;
Arg args[20];
int n;
int i;
/* just get moon names */
marsm_data (0.0, NULL, NULL, NULL, NULL, NULL, NULL, md);
/* create form */
n = 0;
XtSetArg (args[n], XmNautoUnmanage, False); n++;
XtSetArg (args[n], XmNverticalSpacing, 5); n++;
XtSetArg (args[n], XmNcolormap, xe_cm); n++;
XtSetArg (args[n], XmNdefaultPosition, False); n++;
msform_w = XmCreateFormDialog (mmshell_w, "MarsMoonStats", args, n);
set_something (msform_w, XmNcolormap, (XtArgVal)xe_cm);
sr_reg(XtParent(msform_w), "XEphem*MarsMoonStats.x", marscategory, 0);
sr_reg(XtParent(msform_w), "XEphem*MarsMoonStats.y", marscategory, 0);
/* set some stuff in the parent DialogShell.
* setting XmNdialogTitle in the Form didn't work..
*/
n = 0;
XtSetArg (args[n], XmNtitle, "xephem Mars Moon info"); n++;
XtSetValues (XtParent(msform_w), args, n);
/* make table title label */
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNtopOffset, 10); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_FORM); n++;
title_w = XmCreateLabel (msform_w, "UML", args, n);
XtManageChild (title_w);
set_xmstring (title_w, XmNlabelString,"Moon Positions (Martian radii)");
/* make the moon table, one column at a time */
/* moon designator column */
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNtopWidget, title_w); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNentryAlignment, XmALIGNMENT_BEGINNING); n++;
XtSetArg (args[n], XmNisAligned, True); n++;
rc_w = XmCreateRowColumn (msform_w, "UDes", args, n);
XtManageChild (rc_w);
n = 0;
w = XmCreateLabel (rc_w, "TL", args, n);
set_xmstring (w, XmNlabelString, "Tag");
wtip (w, "Roman Numeral sequence designation of moon");
XtManageChild (w);
for (i = 0; i < M_NMOONS; i++) {
char *tag = md[i].tag;
n = 0;
w = XmCreatePushButton (rc_w, "UTag", args, n); /*PB for sz */
set_xmstring (w, XmNlabelString, tag ? tag : " ");
buttonAsButton (w, False);
XtManageChild (w);
}
/* moon name column */
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNtopWidget, title_w); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNleftWidget, rc_w); n++;
XtSetArg (args[n], XmNentryAlignment, XmALIGNMENT_BEGINNING); n++;
XtSetArg (args[n], XmNisAligned, True); n++;
rc_w = XmCreateRowColumn (msform_w, "UName", args, n);
XtManageChild (rc_w);
n = 0;
w = XmCreateLabel (rc_w, "NL", args, n);
set_xmstring (w, XmNlabelString, "Name");
wtip (w, "Common name of body");
XtManageChild (w);
for (i = 0; i < M_NMOONS; i++) {
n = 0;
w = XmCreatePushButton (rc_w, "UName", args, n); /*PB for sz*/
set_xmstring (w, XmNlabelString, md[i].full);
buttonAsButton (w, False);
XtManageChild (w);
}
/* make each of the X/Y/Z/Mag/RA/DEC information columns */
for (i = 0; i < XtNumber (mc); i++) {
MoonColumn *mp = &mc[i];
int j;
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNtopWidget, title_w); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNleftWidget, rc_w); n++;
XtSetArg (args[n], XmNentryAlignment, XmALIGNMENT_CENTER); n++;
XtSetArg (args[n], XmNisAligned, True); n++;
rc_w = XmCreateRowColumn (msform_w, "MMIRC", args, n);
XtManageChild (rc_w);
n = 0;
w = XmCreateLabel (rc_w, "ULab", args, n);
set_xmstring (w, XmNlabelString, mp->collabel);
if (mp->tip)
wtip (w, mp->tip);
XtManageChild (w);
for (j = 0; j < M_NMOONS; j++) {
if (!mp->moononly || j > 0) {
char *sel;
sel = XtMalloc (strlen(md[j].full) + strlen(mp->suffix)+2);
(void) sprintf (sel, "%s.%s", md[j].full, mp->suffix);
n = 0;
XtSetArg (args[n], XmNuserData, sel); n++;
w = XmCreatePushButton(rc_w, "UPB", args, n);
XtAddCallback(w, XmNactivateCallback, marsm_activate_cb, 0);
marsm_w[j][mp->col] = w;
} else {
n = 0;
w = XmCreateLabel(rc_w, "UPB", args, n);
set_xmstring (w, XmNlabelString, " ");
}
XtManageChild (w);
}
}
/* make a separator */
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], XmNrightAttachment, XmATTACH_FORM); n++;
sep_w = XmCreateSeparator (msform_w, "Sep1", args, n);
XtManageChild (sep_w);
/* make a date/time stamp */
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNtopWidget, sep_w); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_FORM); n++;
sdt_w = XmCreateLabel (msform_w, "JDateStamp", args, n);
wtip (sdt_w, "Date and Time for which data are computed");
XtManageChild (sdt_w);
/* make a separator */
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNtopWidget, sdt_w); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_FORM); n++;
sep_w = XmCreateSeparator (msform_w, "Sep2", args, n);
XtManageChild (sep_w);
/* make the close button */
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
XtSetArg (args[n], XmNtopWidget, sep_w); n++;
XtSetArg (args[n], XmNbottomAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNbottomOffset, 5); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_POSITION); n++;
XtSetArg (args[n], XmNleftPosition, 30); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_POSITION); n++;
XtSetArg (args[n], XmNrightPosition, 70); n++;
w = XmCreatePushButton (msform_w, "Close", args, n);
XtAddCallback (w, XmNactivateCallback, marsm_sstats_close_cb, 0);
wtip (w, "Close this dialog");
XtManageChild (w);
}
/* create mtform_w, the top view dialog */
static void
marsm_create_tvform_w (void)
{
Arg args[20];
int n;
/* create form */
n = 0;
XtSetArg (args[n], XmNautoUnmanage, False); n++;
XtSetArg (args[n], XmNcolormap, xe_cm); n++;
mtform_w = XmCreateFormDialog (mmshell_w, "MarsMoonsTV", args, n);
set_something (mtform_w, XmNcolormap, (XtArgVal)xe_cm);
XtAddCallback (mtform_w, XmNunmapCallback, mt_unmap_cb, 0);
XtAddCallback (mtform_w, XmNmapCallback, mt_map_cb, NULL);
/* set some stuff in the parent DialogShell.
* setting XmNdialogTitle in the Form didn't work..
*/
n = 0;
XtSetArg (args[n], XmNtitle, "xephem Mars Moons top view"); n++;
XtSetValues (XtParent(mtform_w), args, n);
/* fill with a drawing area in a frame */
n = 0;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNbottomAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNrightAttachment, XmATTACH_FORM); n++;
mtframe_w = XmCreateFrame (mtform_w, "MTVF", args, n);
XtManageChild (mtframe_w);
n = 0;
mtda_w = XmCreateDrawingArea (mtframe_w, "MarsTop", args, n);
XtAddCallback (mtda_w, XmNexposeCallback, mt_da_exp_cb, NULL);
XtAddCallback (mtda_w, XmNinputCallback, marsm_da_input_cb,
(XtPointer)SO_TOP);
XtManageChild (mtda_w);
}
/* go through all the buttons pickable for plotting and set whether they
* should appear to look like buttons or just flat labels.
*/
static void
marsm_set_buttons (whether)
int whether; /* whether setting up for plotting or for not plotting */
{
int i, j;
for (i = 0; i < M_NMOONS; i++)
for (j = 0; j < CNum; j++)
if (marsm_w[i][j])
buttonAsButton (marsm_w[i][j], whether);
}
/* callback when the Close button is activated on the stats menu */
/* ARGSUSED */
static void
marsm_sstats_close_cb (Widget w, XtPointer client, XtPointer call)
{
XtUnmanageChild (msform_w);
}
/* callback when the the More Info button is activated */
/* ARGSUSED */
static void
marsm_sstats_cb (Widget w, XtPointer client, XtPointer call)
{
XtManageChild (msform_w);
marsm_set_buttons(marsm_selecting);
}
/* callback when the control menu is becoming visible
*/
/* ARGSUSED */
static void
marsm_cpdmapping_cb (Widget w, XtPointer client, XtPointer call)
{
XtSetSensitive (tel_w, telIsOn());
}
/* callback from any of the option buttons.
* client points to global flag to set; some don't have any.
* in any case then just redraw everything.
*/
/* ARGSUSED */
static void
marsm_option_cb (Widget w, XtPointer client, XtPointer call)
{
if (client) {
int *flagp = (int *)client;
*flagp = XmToggleButtonGetState(w);
if (flagp == &topview) {
if (topview) {
if (!mtform_w)
marsm_create_tvform_w();
XtManageChild (mtform_w);
} else
XtUnmanageChild (mtform_w);
}
}
marsm_update (mm_get_now(), 1);
}
/* callback from the scales changing.
* just redraw everything.
*/
/* ARGSUSED */
static void
marsm_scale_cb (Widget w, XtPointer client, XtPointer call)
{
marsm_update (mm_get_now(), 1);
}
/* callback from any of the data menu buttons being activated.
*/
/* ARGSUSED */
static void
marsm_activate_cb (Widget w, XtPointer client, XtPointer call)
{
if (marsm_selecting) {
char *name;
get_something (w, XmNuserData, (XtArgVal)&name);
register_selection (name);
}
}
/* callback from either expose or resize of the topview.
*/
/* ARGSUSED */
static void
mt_da_exp_cb (Widget w, XtPointer client, XtPointer call)
{
static int last_nx, last_ny;
XmDrawingAreaCallbackStruct *c = (XmDrawingAreaCallbackStruct *)call;
Window win = XtWindow(w);
Display *dsp = XtDisplay(w);
unsigned int nx, ny, bw, d;
Window root;
int x, y;
/* filter out a few oddball cases */
switch (c->reason) {
case XmCR_EXPOSE: {
/* turn off gravity so we get expose events for either shrink or
* expand.
*/
static int before;
XExposeEvent *e = &c->event->xexpose;
if (!before) {
XSetWindowAttributes swa;
unsigned long mask = CWBitGravity | CWBackingStore;
swa.bit_gravity = ForgetGravity;
swa.backing_store = NotUseful; /* we use a pixmap */
XChangeWindowAttributes (dsp, win, mask, &swa);
before = 1;
}
/* wait for the last in the series */
if (e->count != 0)
return;
break;
}
default:
printf ("Unexpected mmform_w event. type=%d\n", c->reason);
abort();
}
XGetGeometry(dsp, win, &root, &x, &y, &nx, &ny, &bw, &d);
if (!mt_pm || (int)nx != last_nx || (int)ny != last_ny) {
if (mt_pm)
XFreePixmap (dsp, mt_pm);
mt_pm = XCreatePixmap (dsp, win, nx, ny, d);
last_nx = nx;
last_ny = ny;
mt_track_size();
marsm_update (mm_get_now(), 1);
} else
XCopyArea (dsp, mt_pm, win, marsm_fgc, 0, 0, nx, ny, 0, 0);
}
/* called whenever the topview scene is mapped. */
/* ARGSUSED */
static void
mt_map_cb (wid, client, call)
Widget wid;
XtPointer client;
XtPointer call;
{
mt_track_size();
}
/* set the width of the topview DrawingArea the same as the main window's.
* we also try to center it just above, but it doesn't always work.
*/
static void
mt_track_size (void)
{
Dimension w, h;
Position mfx, mfy, mdx, mdy;
Position sdy;
Arg args[20];
int n;
/* set widths equal */
n = 0;
XtSetArg (args[n], XmNwidth, &w); n++;
XtGetValues (mda_w, args, n);
n = 0;
XtSetArg (args[n], XmNwidth, w); n++;
XtSetValues (mtda_w, args, n);
n = 0;
XtSetArg (args[n], XmNheight, &h); n++;
XtGetValues (mtda_w, args, n);
/* set locations -- allow for different stuff on top of drawingareas */
n = 0;
XtSetArg (args[n], XmNx, &mfx); n++;
XtSetArg (args[n], XmNy, &mfy); n++;
XtGetValues (mmshell_w, args, n);
n = 0;
XtSetArg (args[n], XmNx, &mdx); n++;
XtSetArg (args[n], XmNy, &mdy); n++;
XtGetValues (mmframe_w, args, n);
n = 0;
XtSetArg (args[n], XmNy, &sdy); n++;
XtGetValues (mtframe_w, args, n);
n = 0;
XtSetArg (args[n], XmNx, mfx+mdx); n++;
XtSetArg (args[n], XmNy, mfy - h - sdy - mdy - 20); n++;
XtSetValues (mtform_w, args, n);
}
/* callback when topview dialog is unmapped */
/* ARGSUSED */
static void
mt_unmap_cb (Widget w, XtPointer client, XtPointer call)
{
XmToggleButtonSetState (topview_w, False, True);
}
/* callback when main shell is popped down */
/* ARGSUSED */
static void
marsm_popdown_cb (Widget w, XtPointer client, XtPointer call)
{
XtUnmanageChild (msform_w);
XtUnmanageChild (mtform_w);
if (marsm_pm) {
XFreePixmap (XtDisplay(mda_w), marsm_pm);
marsm_pm = (Pixmap) NULL;
}
/* free any field stars */
if (fstars) {
free ((void *)fstars);
fstars = NULL;
nfstars = 0;
}
/* stop movie that might be running */
mm_movie (0.0);
}
/* callback from the main Close button */
/* ARGSUSED */
static void
marsm_close_cb (Widget w, XtPointer client, XtPointer call)
{
/* let popdown do all the work */
XtPopdown (mmshell_w);
}
/* callback to add scene to movie loop */
/* ARGSUSED */
static void
marsm_mloop_cb (Widget w, XtPointer client, XtPointer call)
{
ml_add (marsm_pm, dt_w);
}
/* callback from the Movie button
*/
/* ARGSUSED */
static void
marsm_anim_cb (Widget w, XtPointer client, XtPointer call)
{
/* best effect if turn off worrying about the sky background */
skybkg = 0;
XmToggleButtonSetState (skybkg_w, False, False);
mm_movie (MOVIE_STEPSZ);
}
/* callback from either expose or resize of the drawing area.
*/
/* ARGSUSED */
static void
marsm_da_exp_cb (Widget w, XtPointer client, XtPointer call)
{
static int last_nx, last_ny;
XmDrawingAreaCallbackStruct *c = (XmDrawingAreaCallbackStruct *)call;
Window win = XtWindow(w);
Display *dsp = XtDisplay(w);
unsigned int nx, ny, bw, d;
Window root;
int x, y;
/* filter out a few oddball cases */
switch (c->reason) {
case XmCR_EXPOSE: {
/* turn off gravity so we get expose events for either shrink or
* expand.
*/
static int before;
XExposeEvent *e = &c->event->xexpose;
if (!before) {
XSetWindowAttributes swa;
unsigned long mask = CWBitGravity | CWBackingStore;
swa.bit_gravity = ForgetGravity;
swa.backing_store = NotUseful; /* we use a pixmap */
XChangeWindowAttributes (dsp, win, mask, &swa);
before = 1;
}
/* wait for the last in the series */
if (e->count != 0)
return;
break;
}
default:
printf ("Unexpected mmform_w event. type=%d\n", c->reason);
abort();
}
XGetGeometry(dsp, win, &root, &x, &y, &nx, &ny, &bw, &d);
if (!marsm_pm || (int)nx != last_nx || (int)ny != last_ny) {
if (marsm_pm)
XFreePixmap (dsp, marsm_pm);
marsm_pm = XCreatePixmap (dsp, win, nx, ny, d);
last_nx = nx;
last_ny = ny;
if (topview)
mt_track_size();
marsm_update (mm_get_now(), 1);
} else
XCopyArea (dsp, marsm_pm, win, marsm_fgc, 0, 0, nx, ny, 0, 0);
}
/* callback from mouse or keyboard input over either drawing area.
* client is one of SOIdx.
*/
/* ARGSUSED */
static void
marsm_da_input_cb (Widget w, XtPointer client, XtPointer call)
{
XmDrawingAreaCallbackStruct *c = (XmDrawingAreaCallbackStruct *)call;
ScreenObj *sop;
SOIdx soidx;
XEvent *ev;
int x, y;
/* get x and y value iff it was from mouse button 3 */
if (c->reason != XmCR_INPUT)
return;
ev = c->event;
if (ev->xany.type != ButtonPress || ev->xbutton.button != 3)
return;
x = ev->xbutton.x;
y = ev->xbutton.y;
/* find something close on the screen */
soidx = (SOIdx) client;
sop = close_screenobj (soidx, x, y);
if (!sop && soidx == SO_MAIN) {
/* try shadows */
soidx = SO_SHADOW;
sop = close_screenobj (soidx, x, y);
}
if (!sop)
return;
/* put info in popup, mmpu_w, creating it first if necessary */
if (!mmpu_w)
marsm_create_popup();
marsm_fill_popup (sop, soidx == SO_SHADOW);
/* put it on screen */
XmMenuPosition (mmpu_w, (XButtonPressedEvent *)ev);
XtManageChild (mmpu_w);
}
/* create the (unmanaged for now) popup menu in mmpu_w. */
static void
marsm_create_popup (void)
{
static Widget *puw[] = {
&mmpu_name_w,
&mmpu_ra_w,
&mmpu_dec_w,
&mmpu_mag_w,
};
Widget w;
Arg args[20];
int n;
int i;
n = 0;
XtSetArg (args[n], XmNisAligned, True); n++;
XtSetArg (args[n], XmNentryAlignment, XmALIGNMENT_CENTER); n++;
mmpu_w = XmCreatePopupMenu (mda_w, "UPU", args, n);
/* stack everything up in labels */
for (i = 0; i < XtNumber(puw); i++) {
n = 0;
w = XmCreateLabel (mmpu_w, "SPUL", args, n);
XtManageChild (w);
*puw[i] = w;
}
}
/* put up a popup at ev with info about sop */
static void
marsm_fill_popup (ScreenObj *sop, int justname)
{
char *name;
double ra, dec, mag;
char buf[64], buf2[64];
name = sop->o.o_name;
(void) sprintf (buf2, "%.*s", MAXNM, name);
set_xmstring (mmpu_name_w, XmNlabelString, buf2);
if (justname) {
XtUnmanageChild (mmpu_mag_w);
XtUnmanageChild (mmpu_ra_w);
XtUnmanageChild (mmpu_dec_w);
} else {
mag = get_mag(&sop->o);
(void) sprintf (buf2, " Mag: %.3g", mag);
set_xmstring (mmpu_mag_w, XmNlabelString, buf2);
XtManageChild (mmpu_mag_w);
ra = sop->o.s_ra;
fs_ra (buf, ra);
(void) sprintf (buf2, " RA: %s", buf);
set_xmstring (mmpu_ra_w, XmNlabelString, buf2);
XtManageChild (mmpu_ra_w);
dec = sop->o.s_dec;
fs_prdec (buf, dec);
(void) sprintf (buf2, " Dec: %s", buf);
set_xmstring (mmpu_dec_w, XmNlabelString, buf2);
XtManageChild (mmpu_dec_w);
}
}
/* callback from the Help all button
*/
/* ARGSUSED */
static void
marsm_help_cb (Widget w, XtPointer client, XtPointer call)
{
static char *msg[] = {
"This is a simple schematic depiction of Mars and its moons.",
};
hlp_dialog ("MarsMoons", msg, XtNumber(msg));
}
/* callback from a specific Help button.
* client is a string to use with hlp_dialog().
*/
/* ARGSUSED */
static void
marsm_helpon_cb (Widget w, XtPointer client, XtPointer call)
{
hlp_dialog ((char *)client, NULL, 0);
}
/* callback from the goto control.
*/
/* ARGSUSED */
static void
marsm_goto_cb (Widget w, XtPointer client, XtPointer call)
{
Obj *op = db_basic (MARS);
telGoto (op);
}
/* add one entry to the given global screenobj array.
*/
static void
add_screenobj (soidx, op, x, y)
SOIdx soidx;
Obj *op;
int x, y;
{
char *mem = (char *) screenobj[soidx];
int nmem = nscreenobj[soidx];
ScreenObj *sop;
/* grow screenobj by one */
if (mem)
mem = realloc ((char *)mem, (nmem+1)*sizeof(ScreenObj));
else
mem = malloc (sizeof(ScreenObj));
if (!mem) {
xe_msg (0, "Out of memory -- %s will not be pickable", op->o_name);
return;
}
screenobj[soidx] = (ScreenObj *) mem;
sop = &screenobj[soidx][nscreenobj[soidx]++];
/* fill new entry */
sop->o = *op;
sop->x = x;
sop->y = y;
}
/* reclaim any existing screenobj entries from the given collection */
static void
reset_screenobj(soidx)
SOIdx soidx;
{
if (screenobj[soidx]) {
free ((char *)screenobj[soidx]);
screenobj[soidx] = NULL;
}
nscreenobj[soidx] = 0;
}
/* find the entry in the given screenobj closest to [x,y] within MINR.
* if found return the ScreenObj *, else NULL.
*/
static ScreenObj *
close_screenobj (soidx, x, y)
SOIdx soidx;
int x, y;
{
ScreenObj *scop = screenobj[soidx];
ScreenObj *minsop = NULL;
int nobj = nscreenobj[soidx];
int minr = 2*MINR;
int i;
for (i = 0; i < nobj; i++) {
ScreenObj *sop = &scop[i];
int r = abs(x - sop->x) + abs(y - sop->y);
if (r < minr) {
minr = r;
minsop = sop;
}
}
if (minr <= MINR)
return (minsop);
else
return (NULL);
}
/* callback from Print control.
*/
/* ARGSUSED */
static void
marsm_print_cb (Widget w, XtPointer client, XtPointer call)
{
XPSAsk ("Martian moons", marsm_print);
}
/* proceed to generate a postscript file.
* call XPSClose() when finished.
*/
static void
marsm_print (void)
{
Display *dsp = XtDisplay (mda_w);
Now *np = mm_get_now();
unsigned int w, h, bw, d;
Window root;
int x, y;
if (!marsm_ison()) {
xe_msg (1, "Mars moons must be open to save a file.");
XPSClose();
return;
}
watch_cursor(1);
/* get size of the rendering area */
XGetGeometry(dsp, marsm_pm, &root, &x, &y, &w, &h, &bw, &d);
/* draw in an area 5.5w x 5.5h centered 1in down from top */
if (w >= h)
XPSXBegin (marsm_pm, 0, 0, w, h, 1*72, 10*72, (int)(5.5*72));
else {
int pw = (int)(72*5.5*w/h+.5); /* width on paper when 5.5 hi */
XPSXBegin (marsm_pm, 0, 0, w, h, (int)((8.5*72-pw)/2), 10*72, pw);
}
/* redraw */
marsm_update (np, 1);
/* no more X captures */
XPSXEnd();
/* add some extra info */
marsm_ps_annotate (np);
/* finished */
XPSClose();
watch_cursor(0);
}
static void
marsm_ps_annotate (np)
Now *np;
{
int ctrx = (int)(8.5*72/2);
Obj *eop = db_basic (SUN);
Obj *mop = db_basic (MARS);
MoonData md[M_NMOONS];
double msize;
double tzmjd;
char *bp, buf[256], buf2[32], dir[256];
int n, x, y, i;
/* compute all info */
sprintf (buf, "%s/auxil", getShareDir());
bp = expand_home (buf);
marsm_data (mjd, dir, eop, mop, &msize, &pole_ra, &pole_dec, md);
/* border */
y = (int)AROWY(PRTR+.5);
sprintf (buf, "newpath 72 %d moveto 540 %d lineto stroke\n", y, y);
XPSDirect (buf);
/* title */
y = AROWY(PRTR-2);
if (pref_get(PREF_ZONE) == PREF_UTCTZ) {
tzmjd = mjd;
bp = "UTC";
} else {
tzmjd = mjd-tz/24;
bp = tznm;
}
fs_time (buf, mjd_hr(tzmjd));
fs_date (buf2, pref_get(PREF_DATE_FORMAT), mjd_day(tzmjd));
sprintf (dir,"(XEphem Mars View at %s %s %s, JD %13.5f) %d %d cstr\n",
buf, buf2, bp, mjd+MJD0, ctrx, y);
XPSDirect (dir);
/* location if topocentric */
if (pref_get(PREF_EQUATORIAL) == PREF_TOPO) {
char s, *site;
bp = buf;
bp += sprintf (bp, "From ");
site = mm_getsite();
if (site)
bp += sprintf (bp, "%s at ", XPSCleanStr(site,strlen(site)));
/* N.B. without the s= business the sign is printed wrong!! */
fs_sexa (buf2, raddeg(fabs(lat)), 3, 3600);
bp += sprintf (bp, "Latitude %s %c ", buf2, s=(lat<0 ? 'S' : 'N'));
fs_sexa (buf2, raddeg(fabs(lng)), 4, 3600);
bp += sprintf (bp, "Longitude %s %c", buf2, s=(lng<0 ? 'W' : 'E'));
sprintf (dir, "(%s) %d %d cstr\n", buf, ctrx, AROWY(PRTR-4));
XPSDirect (dir);
}
/* table heading */
bp = buf;
bp += sprintf (bp, "%s ", pref_get(PREF_EQUATORIAL) == PREF_TOPO ?
"Topocentric" : "Geocentric");
if (epoch == EOD)
bp += sprintf (bp, "Apparent EOD");
else {
double tmp;
mjd_year (epoch, &tmp);
bp += sprintf (bp, "Astrometric %.2f", tmp);
}
y = AROWY(PRTR-5);
sprintf (dir, "(%s Moon Positions, XYZ in Martian radii) %d %d cstr\n",
buf, ctrx,y);
XPSDirect (dir);
/* stats for each row */
for (i = 0; i < M_NMOONS; i++) {
y = AROWY(PRTR-7-i);
x = 65;
if (i == 0) {
sprintf (dir, "(Tag) %d %d lstr\n", x, AROWY(PRTR-6-i));
XPSDirect (dir);
}
if (md[i].tag) {
n = sprintf (buf, "%-4s", md[i].tag);
sprintf (dir, "(%s) %d %d lstr\n", buf, x, y);
XPSDirect (dir);
} else
n = 4;
x += n*PRCW;
if (i == 0) {
sprintf (dir, "(Name) %d %d lstr\n", x, AROWY(PRTR-6-i));
XPSDirect (dir);
}
n = sprintf (buf, "%-9s", md[i].full);
sprintf (dir, "(%s) %d %d lstr\n", buf, x, y);
XPSDirect (dir);
x += n*PRCW;
if (i == 0) {
sprintf (dir, "(E) %d %d lstr\n", x, AROWY(PRTR-6-i));
XPSDirect (dir);
}
n = sprintf (buf, "%1.0f ", (double)md[i].evis);
if (i > 0) {
sprintf (dir, "(%s) %d %d lstr\n", buf, x, y);
XPSDirect (dir);
}
x += n*PRCW;
if (i == 0) {
sprintf (dir, "(S) %d %d lstr\n", x, AROWY(PRTR-6-i));
XPSDirect (dir);
}
n = sprintf (buf, "%1.0f ", (double)md[i].svis);
if (i > 0) {
sprintf (dir, "(%s) %d %d lstr\n", buf, x, y);
XPSDirect (dir);
}
x += n*PRCW;
if (i == 0) {
sprintf (dir, "(P) %d %d lstr\n", x, AROWY(PRTR-6-i));
XPSDirect (dir);
}
n = sprintf (buf, "%1.0f ", (double)md[i].pshad);
if (i > 0) {
sprintf (dir, "(%s) %d %d lstr\n", buf, x, y);
XPSDirect (dir);
}
x += n*PRCW;
if (i == 0) {
sprintf (dir, "(T) %d %d lstr\n", x, AROWY(PRTR-6-i));
XPSDirect (dir);
}
n = sprintf (buf, "%1.0f ", (double)md[i].trans);
if (i > 0) {
sprintf (dir, "(%s) %d %d lstr\n", buf, x, y);
XPSDirect (dir);
}
x += n*PRCW;
if (i == 0) {
sprintf (dir, "( X +E) %d %d lstr\n", x, AROWY(PRTR-6-i));
XPSDirect (dir);
}
n = sprintf (buf, "%7.3f ", md[i].x);
if (i > 0) {
sprintf (dir, "(%s) %d %d lstr\n", buf, x, y);
XPSDirect (dir);
}
x += n*PRCW;
if (i == 0) {
sprintf (dir, "( Y +S) %d %d lstr\n", x, AROWY(PRTR-6-i));
XPSDirect (dir);
}
n = sprintf (buf, "%7.3f ", md[i].y);
if (i > 0) {
sprintf (dir, "(%s) %d %d lstr\n", buf, x, y);
XPSDirect (dir);
}
x += n*PRCW;
if (i == 0) {
sprintf (dir, "( Z +front) %d %d lstr\n", x, AROWY(PRTR-6-i));
XPSDirect (dir);
}
n = sprintf (buf, "%7.3f ", md[i].z);
if (i > 0) {
sprintf (dir, "(%s) %d %d lstr\n", buf, x, y);
XPSDirect (dir);
}
x += n*PRCW;
if (i == 0) {
sprintf (dir, "( RA) %d %d lstr\n", x, AROWY(PRTR-6-i));
XPSDirect (dir);
}
fs_sexa (buf, radhr(md[i].ra), 2, 360000);
n = 11;
sprintf (dir, "(%s) %d %d lstr\n", buf, x, y);
XPSDirect (dir);
x += n*PRCW;
if (i == 0) {
sprintf (dir, "( Dec) %d %d lstr\n", x, AROWY(PRTR-6-i));
XPSDirect (dir);
}
fs_sexa (buf, raddeg(md[i].dec), 3, 36000);
n = 11;
sprintf (dir, "(%s) %d %d lstr\n", buf, x, y);
XPSDirect (dir);
x += n*PRCW;
if (i == 0) {
sprintf (dir, "(Mag) %d %d lstr\n", x, AROWY(PRTR-6-i));
XPSDirect (dir);
}
sprintf (buf, "%4.1f ", md[i].mag);
sprintf (dir, "(%s) %d %d lstr\n", buf, x, y);
XPSDirect (dir);
}
}
/* given the loc of the moons, draw a nifty little picture.
* also save resulting screen locs of everything in the screenobj array.
* scale of the locations is in terms of Mars radii == 1.
* unflipped view is S up, E right.
* planet itself is in md[0], moons in md[1..NM-1].
* +md[].x: East, mars radii
* +md[].y: South, mars radii
* +md[].z: in front, mars radii
*/
static void
marsm_draw_map (w, mop, msize, md)
Widget w;
Obj *mop;
double msize;
MoonData md[M_NMOONS];
{
Display *dsp = XtDisplay(w);
Window win;
Window root;
double scale;
int sv;
int fmag;
char c;
int x, y;
unsigned int nx, ny, bw, d;
int ns = flip_tb ? -1 : 1;
int ew = flip_lr ? -1 : 1;
int scale1;
int i;
/* first the main graphic */
win = XtWindow (mda_w);
if (!marsm_fgc)
make_gcs(w);
XmScaleGetValue (limmag_w, &fmag);
XmScaleGetValue (scale_w, &sv);
scale = pow(MAXSCALE, sv/100.0);
/* get size and erase */
XGetGeometry(dsp, win, &root, &x, &y, &nx, &ny, &bw, &d);
XFillRectangle (dsp, marsm_pm, marsm_bgc, 0, 0, nx, ny);
scale1 = (int)floor(MAPSCALE(1)+0.5);
/* prepare for a new list of things on the screen */
reset_screenobj(SO_MAIN);
reset_screenobj(SO_SHADOW);
/* draw Mars in center with unit radius */
XPSFillArc(dsp, marsm_pm, marsm_fgc, nx/2-scale1, ny/2-scale1,
2*scale1-1, 2*scale1-1, 0, 360*64);
add_screenobj (SO_MAIN, mop, nx/2, ny/2);
/* draw background objects, if desired
* go out plenty wide to pick up moon during occultations.
*/
if (skybkg)
sky_background(marsm_pm, nx, ny, fmag, md[0].ra, md[0].dec,
msize/MAPSCALE(2), degrad(.5), flip_tb, flip_lr);
/* draw labels */
c = flip_lr ? 'W' : 'E';
XPSDrawString(dsp, marsm_pm, marsm_fgc, nx-marsm_cw-1, ny/2-2, &c, 1);
c = flip_tb ? 'N' : 'S';
XPSDrawString(dsp, marsm_pm, marsm_fgc, (nx-marsm_cw)/2-1,
marsm_fs->ascent, &c, 1);
/* draw 1' calibration line */
if (tags)
marsm_calibline (dsp, marsm_pm, marsm_fgc, nx/2, 5*ny/6, "1'",
marsm_cw*2, marsm_ch+4,
(int)MAPSCALE(degrad(1.0/60.0)/(msize/2)));
/* draw each moon and its shadow
*/
for (i = 1; i < M_NMOONS; i++) {
double mx = md[i].x;
double my = md[i].y;
double mag = md[i].mag;
int diam;
Obj o;
/* skip if behind or in shadow */
if (!md[i].evis || !md[i].svis)
continue;
diam = magdiam (fmag, 1, msize/(2*scale1), mag, 0.0);
if (brmoons)
diam += 3;
if (diam <= 0)
continue; /* too faint */
/* moon */
x = XCORD(mx);
y = YCORD(my);
if (diam == 1)
XPSDrawPoint(dsp, marsm_pm, marsm_xgc, x, y);
else
XPSDrawStar (dsp, marsm_pm, marsm_xgc, x-diam/2, y-diam/2,
diam);
/* add object to list of screen objects drawn */
memset (&o, 0, sizeof(0));
(void) strcpy (o.o_name, md[i].full);
set_smag (&o, mag);
o.s_ra = (float)md[i].ra;
o.s_dec = (float)md[i].dec;
add_screenobj (SO_MAIN, &o, x, y);
/* shadow, if in front */
if (md[i].pshad) {
int scx = XCORD(md[i].sx);
int scy = YCORD(md[i].sy);
XPSDrawStar (dsp, marsm_pm, marsm_bgc, scx-diam/2, scy-diam/2,
diam);
sprintf (o.o_name, "%s shadow", md[i].full);
add_screenobj (SO_SHADOW, &o, scx, scy);
}
if (tags && md[i].tag)
XDrawString(dsp, marsm_pm, marsm_xgc, x-marsm_cw/2,
y+2*marsm_ch, md[i].tag, strlen(md[i].tag));
}
/* user annotation */
ano_draw (mda_w, marsm_pm, marsm_ano, 0);
XCopyArea (dsp, marsm_pm, win, marsm_fgc, 0, 0, nx, ny, 0, 0);
/* then the top view, if desired */
if (!topview || !mt_pm) /* let expose make new pixmap */
return;
/* get size and erase */
win = XtWindow (mtda_w);
XGetGeometry(dsp, win, &root, &x, &y, &nx, &ny, &bw, &d);
XFillRectangle (dsp, mt_pm, marsm_bgc, 0, 0, nx, ny);
/* draw Mars in center with unit radius */
i = (int)(ew*64*raddeg(asin(sin(degrad(mop->s_elong))/mop->s_sdist)));
XPSFillArc(dsp, mt_pm, marsm_fgc, nx/2-scale1, ny/2-scale1, 2*scale1-1,
2*scale1-1, -i, -180*64);
reset_screenobj(SO_TOP);
add_screenobj (SO_TOP, mop, nx/2, ny/2);
/* draw each moon
*/
for (i = 1; i < M_NMOONS; i++) {
double mx = md[i].x;
double mz = md[i].z;
double mag = md[i].mag;
int diam;
Obj o;
if (!md[i].svis)
continue;
diam = magdiam (fmag, 1, msize/(2*scale1), mag, 0.0);
if (brmoons)
diam += 3;
if (diam <= 0)
continue; /* too faint */
x = XCORD(mx);
y = ZCORD(mz);
if (diam == 1)
XDrawPoint (dsp, mt_pm, marsm_xgc, x, y);
else
XFillArc (dsp, mt_pm, marsm_xgc, x-diam/2, y-diam/2, diam,
diam, 0, 360*64);
/* add object to list of screen objects drawn */
memset (&o, 0, sizeof(0));
(void) strcpy (o.o_name, md[i].full);
set_smag (&o, mag);
o.s_ra = (float)md[i].ra;
o.s_dec = (float)md[i].dec;
add_screenobj (SO_TOP, &o, x, y);
if (tags && md[i].tag)
XDrawString(dsp, mt_pm, marsm_xgc, x-marsm_cw/2, y+2*marsm_ch,
md[i].tag, strlen(md[i].tag));
}
/* draw label towards earth */
if (tags) {
XPoint xp[5];
XDrawString(dsp, mt_pm, marsm_fgc, nx/2, ny-marsm_ch, "Earth", 5);
xp[0].x = nx/2 - 15; xp[0].y = ny - 2*marsm_ch;
xp[1].x = 0; xp[1].y = 3*marsm_ch/2;
xp[2].x = -5; xp[2].y = -3*marsm_ch/4;
xp[3].x = 10; xp[3].y = 0;
xp[4].x = -5; xp[4].y = 3*marsm_ch/4;
XDrawLines (dsp, mt_pm, marsm_fgc, xp, 5, CoordModePrevious);
}
/* user annotation */
ano_draw (mtda_w, mt_pm, mtm_ano, 0);
XCopyArea (dsp, mt_pm, win, marsm_fgc, 0, 0, nx, ny, 0, 0);
}
/* convert mars X/Y to/from X windows coords depending on w2x.
* return whether visible.
*/
static int
marsm_ano (double *mX, double *mY, int *xp, int *yp, int w2x, int arg)
{
Display *dsp = XtDisplay (mda_w);
Window win = XtWindow (mda_w);
int ns = flip_tb ? -1 : 1;
int ew = flip_lr ? -1 : 1;
unsigned int nx, ny, bw, d;
Window root;
double scale;
int x, y;
int sv;
XGetGeometry(dsp, win, &root, &x, &y, &nx, &ny, &bw, &d);
XmScaleGetValue (scale_w, &sv);
scale = pow(MAXSCALE, sv/100.0);
if (w2x) {
*xp = XCORD(*mX);
*yp = YCORD(*mY);
} else {
*mX = 2*NORM*(*xp-(int)nx/2.0)/(ew*(int)nx*scale);
*mY = 2*NORM*((int)ny/2.0-*yp)/(ns*(int)ny*scale);
}
return (*xp>=0 && *xp<nx && *yp>=0 && *yp<ny);
}
/* convert mars X/Z to/from X windows coords depending on w2x.
* return whether visible.
*/
static int
mtm_ano (double *mX, double *mZ, int *xp, int *yp, int w2x, int arg)
{
Display *dsp = XtDisplay (mtda_w);
Window win = XtWindow (mtda_w);
int ew = flip_lr ? -1 : 1;
unsigned int nx, ny, bw, d;
Window root;
double scale;
int x, y;
int sv;
XGetGeometry(dsp, win, &root, &x, &y, &nx, &ny, &bw, &d);
XmScaleGetValue (scale_w, &sv);
scale = pow(MAXSCALE, sv/100.0);
if (w2x) {
*xp = XCORD(*mX);
*yp = ZCORD(*mZ);
} else {
*mX = 2*NORM*(*xp-(int)nx/2.0)/(ew*(int)nx*scale);
*mZ = 2*NORM*(*yp-(int)ny/2.0)/((int)ny*scale);
}
return (*xp>=0 && *xp<nx && *yp>=0 && *yp<ny);
}
static void
make_gcs (w)
Widget w;
{
Display *dsp = XtDisplay(w);
Window win = XtWindow(w);
XGCValues gcv;
unsigned int gcm;
Pixel fg, bg;
marsm_fs = getXResFont ("moonsFont");
(void) get_color_resource (w, "marsColor", &fg);
gcm = GCForeground | GCFont;
gcv.foreground = fg;
gcv.font = marsm_fs->fid;
marsm_fgc = XCreateGC (dsp, win, gcm, &gcv);
marsm_cw = marsm_fs->max_bounds.width;
marsm_ch = marsm_fs->max_bounds.ascent + marsm_fs->max_bounds.descent;
gcm = GCForeground;
(void) get_color_resource (w, "MarsBackground", &bg);
gcv.foreground = bg;
marsm_bgc = XCreateGC (dsp, win, gcm, &gcv);
gcm = GCForeground | GCFunction | GCFont;
gcv.foreground = fg ^ bg;
gcv.function = GXxor;
gcv.font = marsm_fs->fid;
marsm_xgc = XCreateGC (dsp, win, gcm, &gcv);
}
/* draw a calibration line l pixels long centered at [xc,yc] marked with tag
* in a bounding box tw x th.
*/
static void
marsm_calibline (dsp, win, gc, xc, yc, tag, tw, th, l)
Display *dsp;
Drawable win;
GC gc;
int xc, yc;
char *tag;
int tw, th;
int l;
{
int lx = xc - l/2;
int rx = lx + l;
int i;
XDrawLine (dsp, win, gc, lx, yc, rx, yc);
for (i = 0; i <= 6; i++) {
int x = lx+i*l/6;
int dy = 3 + ((i%6)?0:3);
XDrawLine (dsp, win, gc, x, yc-dy, x, yc+dy);
}
XDrawString (dsp, win, gc, xc-tw/2, yc+th, tag, strlen(tag));
}
/* draw all database objects in a small sky patch about the given center.
* get field stars too if enabled and we have moved enough.
* save objects and screen locs in the global screenobj array for picking.
* this is used to draw the backgrounds for the planet closeups.
* Based on work by: Dan Bruton <WDB3926@acs.tamu.edu>
*/
static void
sky_background (win, w, h, fmag, ra0,dec0,scale,rad,fliptb,fliplr)
Drawable win; /* window to draw on */
unsigned w, h; /* window size */
int fmag; /* faintest magnitude to display */
double ra0, dec0; /* center of patch, rads */
double scale; /* rads per pixel */
double rad; /* maximum radius to draw away from ra0/dec0, rads */
int fliptb, fliplr; /* flip direction; default is S up E right */
{
static int before;
double cdec0 = cos(dec0);
DBScan dbs;
Obj *op;
double hfov = w * scale;
double vfov = h * scale;
if (!before && pref_get(PREF_EQUATORIAL) == PREF_GEO) {
xe_msg (1, "Equatorial preference should probably be set to Topocentric");
before = 1;
}
/* update field star list */
marsm_loadfs (ra0, dec0);
/* scan the database and draw whatever is near */
for (db_scaninit(&dbs, ALLM, fstars, nfstars);
(op = db_scan (&dbs)) != NULL; ) {
double dra, ddec;
GC gc;
int dx, dy, x, y;
int diam;
if (is_planet (op, MARS)) {
/* we draw it elsewhere */
continue;
}
db_update (op);
/* find size, in pixels. */
diam = magdiam (fmag, 1, scale, get_mag(op),
degrad(op->s_size/3600.0));
if (diam <= 0)
continue;
/* find x/y location if it's in the general area */
dra = op->s_ra - ra0; /* + E */
ddec = dec0 - op->s_dec; /* + S */
if (fabs(ddec) > rad || delra(dra)*cdec0 > rad)
continue;
dx = (int)(dra/scale);
dy = (int)(ddec/scale);
x = fliplr ? (int)w/2-dx : (int)w/2+dx;
y = fliptb ? (int)h/2+dy : (int)h/2-dy;
/* pick a gc */
obj_pickgc(op, toplevel_w, &gc);
/* draw 'er */
sv_draw_obj_x (XtD, win, gc, op, x, y, diam, 0, fliptb, !fliplr, 0, 1, dec0, ra0, vfov, hfov, w, h);
/* save 'er */
add_screenobj (SO_MAIN, op, x, y);
}
sv_draw_obj (XtD, win, (GC)0, NULL, 0, 0, 0, 0); /* flush */
}
/* load field stars around the given location, unless current set is
* already close enough.
*/
static void
marsm_loadfs (ra, dec)
double ra, dec;
{
Now *np = mm_get_now();
if (fstars && fabs(dec-fsdec)<FSMOVE && cos(dec)*delra(ra-fsra)<FSMOVE)
return;
if (fstars) {
free ((void *)fstars);
fstars = NULL;
nfstars = 0;
}
nfstars = fs_fetch (np, ra, dec, FSFOV, FSMAG, &fstars);
if (nfstars > 0) {
xe_msg (0, "Mars Moon View added %d field stars",nfstars);
fsdec = dec;
fsra = ra;
}
}
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