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xgk-slo.cxx
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// GK - Converter between Gauss-Krueger/TM and WGS84 coordinates for Slovenia
// Copyright (c) 2014-2016 Matjaz Rihtar <[email protected]>
// All rights reserved.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation, either version 2.1 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program; if not, see http://www.gnu.org/licenses/
//
// xgk-slo.cxx: Main GUI program for converting coordinates from XYZ files
//
#include "common.h"
#include "geo.h"
#include <pthread.h>
#ifdef _MSC_VER // Microsoft C
#define OLD_PTHREADS
#endif
#include <FL/Fl.H>
#include <FL/x.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Sys_Menu_Bar.H>
#include <FL/Fl_Radio_Round_Button.H>
#include <FL/Fl_Check_Button.H>
#include <FL/Fl_Button.H>
#include <FL/Fl_Tabs.H>
#include <FL/Fl_Choice.H>
#include <FL/Fl_Browser.H>
#include <FL/Fl_Output.H>
#include <FL/Fl_Text_Display.H>
#include <FL/Fl_Help_Dialog.H>
#include <FL/Fl_Native_File_Chooser.H>
#include <FL/fl_ask.H>
#include <FL/fl_draw.H>
#ifdef _WIN32
#include <Shellapi.h>
#else
#include <X11/xpm.h>
#include "globe.xpm"
#endif
#define SW_VERSION "1.36"
#define SW_BUILD "May 11, 2016"
#define HELP "xgk-help.html"
// See https://en.wikipedia.org/wiki/Wikipedia:WikiProject_Geographical_coordinates#Parameters
#define SCALE 5000
#ifdef __cplusplus
extern "C" {
#endif
// global variables
char *prog; // program name
int debug;
int tr; // transformation
int rev; // reverse xy/fila
int wdms; // write DMS
extern int gid_wgs; // selected geoid on WGS 84 (in geo.c)
extern int hsel; // output height calculation (in geo.c)
int ft; // file type (XYZ/SHP)
int ddms; // display DMS
char argv0[MAXS+1]; // original argv[0]
char path0[MAXS+1]; // path of argv[0], len > PATH_MAX
#ifdef __cplusplus
}
#endif
// thread variables
typedef struct ptid {
// WIN32, OLD_PTHREADS { void *p; unsigned int x; }, UNIX: unsigned long
pthread_t tid;
int done;
int sts;
struct ptid *next;
} PTID;
PTID *threads, *threads0;
pthread_attr_t pattr;
pthread_mutex_t xlog_mutex; // xlog mutex
#define MAXTN 25 // maximum number of allowed active threads
pthread_mutex_t tn_mutex; // threads number mutex
int tn; // number of active treads
// thread arguments
typedef struct targ {
char text[MAXL+1];
Fl_Widget *w;
} TARG;
const char *browsers[] = { // Possible UNIX browsers
"chrome", "firefox", "opera", "epiphany", "mozilla",
"netscape", "konqueror", "nautilus", "safari"
};
#ifdef __cplusplus
extern "C" {
#endif
// External function prototypes
int convert_xyz_file(char *url, int outf, FILE *out, char *msg); // in conv.c
int convert_shp_file(TCHAR *inpurl, TCHAR *outurl, TCHAR *msg); // in conv.c
#ifdef __cplusplus
}
#endif
// FLTK callback function prototypes
void open_cb(Fl_Widget *w, void *p);
void quit_cb(Fl_Widget *w, void *p);
void help_cb(Fl_Widget *w, void *p);
void clear_cb(Fl_Widget *w, void *p);
void about_cb(Fl_Widget *w, void *p);
void ftchoice_cb(Fl_Widget *w, void *p);
// FLTK global variables
Fl_Menu_Item menubar_entries[] = {
{"&File", 0, 0, 0, FL_SUBMENU},
{"&Open", FL_ALT+'o', open_cb, 0, FL_MENU_DIVIDER},
{"&Quit", FL_ALT+'q', quit_cb},
{0},
{"&Edit", 0, 0, 0, FL_SUBMENU},
{"Undo", FL_CTRL+'z', 0},
{"Redo", FL_CTRL+'r', 0, 0, FL_MENU_DIVIDER},
{"Cut", FL_CTRL+'x', 0},
{"Copy", FL_CTRL+'c', 0},
{"Paste", FL_CTRL+'v', 0, 0, FL_MENU_DIVIDER},
{"Clear", 0, clear_cb},
{0},
{"&Help", 0, 0, 0, FL_SUBMENU},
{"Help", FL_ALT+'h', help_cb, 0, FL_MENU_DIVIDER},
{"About", 0, about_cb},
{0},
{0}
}; /* menubar_entries */
Fl_Radio_Round_Button *rb_trans[MAXC];
Fl_Radio_Round_Button *rb_geoid[MAXC];
Fl_Radio_Round_Button *rb_height[MAXC];
Fl_Menu_Item ft_choices[] = {
{"XYZ files", 0, ftchoice_cb, (void *)1},
{"SHP files", 0, ftchoice_cb, (void *)2},
{0}
}; /* ft_choices */
Fl_Group *tab1, *tab2;
Fl_Browser *brow;
Fl_Input *input[MAXC];
Fl_Output *output[MAXC];
Fl_Radio_Round_Button *rb_dms[MAXC];
Fl_Group *gtr1, *gtr2, *gtr3;
// ----------------------------------------------------------------------------
// Fl_DND_Box
// ----------------------------------------------------------------------------
class Fl_DND_Box : public Fl_Box
{
public:
Fl_DND_Box(int X, int Y, int W, int H, const char *L = 0) :
Fl_Box(X,Y,W,H,L), evt(FL_NO_EVENT), evt_txt(0), evt_len(0)
{
labeltype(FL_NO_LABEL);
box(FL_NO_BOX);
clear_visible_focus();
} /* Fl_DND_Box ctor */
virtual ~Fl_DND_Box() {
delete [] evt_txt;
} /* Fl_DND_Box dtor */
int event() {
return evt;
} /* event */
const char *event_text() {
return evt_txt;
} /* event_text */
int event_length() {
return evt_len;
} /* event_length */
static void callback_deferred(void *w) {
Fl_DND_Box *dnd = (Fl_DND_Box *)w;
dnd->do_callback();
} /* callback_deferred */
int handle(int e) {
switch (e) {
// return 1 for these events to 'accept' DND
case FL_DND_ENTER:
case FL_DND_RELEASE:
case FL_DND_LEAVE:
case FL_DND_DRAG:
evt = e;
return 1;
// handle actual drop (paste) operation
case FL_PASTE:
evt = e;
// make a copy of the DND payload
evt_len = Fl::event_length();
delete [] evt_txt;
evt_txt = new char[evt_len+1];
xstrncpy(evt_txt, Fl::event_text(), evt_len);
// If there is a callback registered, call it, but not directly.
// The callback will be executed by the FLTK main-loop once we have
// finished handling the DND event. This allows caller to popup
// a window or change widget focus.
if (callback() && ((when() & FL_WHEN_RELEASE) || (when() & FL_WHEN_CHANGED)))
Fl::add_timeout(0.0, Fl_DND_Box::callback_deferred, (void *)this);
return 1;
} // switch
// pass other events to default event handling of Fl_Box
return Fl_Box::handle(e);
} /* handle */
protected:
int evt; // The event which caused Fl_DND_Box to execute its callback
char *evt_txt;
int evt_len;
}; /* Fl_DND_Box */
// ----------------------------------------------------------------------------
// Fl_Arrow_Box
// ----------------------------------------------------------------------------
class Fl_Arrow_Box : public Fl_Box
{
public:
Fl_Arrow_Box(int X, int Y, int W, int H, const char *L = 0) :
Fl_Box(X,Y,W,H,L)
{
labeltype(FL_NO_LABEL);
box(FL_NO_BOX);
clear_visible_focus();
} /* Fl_Arrow_Box ctor */
protected:
void draw() {
Fl_Color savec = fl_color();
Fl_Box::draw();
fl_color(FL_BLUE);
fl_line_style(FL_SOLID | FL_CAP_ROUND | FL_JOIN_ROUND, 3);
fl_line(x()+10, y()+h()/2-1, x()+w()-10, y()+h()/2-1);
fl_line(x()+w()-20, y()+h()/2-7, x()+w()-10, y()+h()/2-1);
fl_line(x()+w()-20, y()+h()/2+5, x()+w()-10, y()+h()/2-1);
fl_line_style(0);
fl_color(savec);
} /* draw */
}; /* Fl_Arrow_Box */
// ----------------------------------------------------------------------------
// xlog
// ----------------------------------------------------------------------------
int xlog(const char *fmt, ...)
{
va_list ap;
time_t now;
struct tm *tmnow;
char stime[MAXS+1];
char *msg;
char logfile[MAXS+1];
FILE *log;
pthread_mutex_lock(&xlog_mutex);
now = time(NULL);
tmnow = localtime(&now);
//strftime(stime, MAXS, "%y-%m-%d %H:%M:%S", tmnow);
strftime(stime, MAXS, "%H:%M:%S", tmnow);
msg = new char[MAXL+1];
va_start(ap, fmt);
vsnprintf(msg, MAXL, fmt, ap);
va_end(ap);
snprintf(logfile, MAXS, "%s.log", prog);
log = utf8_fopen(logfile, "a");
if (log != NULL) {
fprintf(log, "%s %s", stime, msg);
fclose(log);
}
delete msg;
pthread_mutex_unlock(&xlog_mutex);
return 0;
} /* xlog */
// ----------------------------------------------------------------------------
// xpthread_create
// ----------------------------------------------------------------------------
int xpthread_create(void *(*worker)(void *), void *arg)
{
PTID *pt;
int rc;
pt = new PTID;
if (threads == NULL) { threads = pt; threads0 = threads; }
else { threads->next = pt; threads = threads->next; }
threads->done = 0; threads->sts = -1;
threads->next = NULL;
pthread_mutex_lock(&tn_mutex);
rc = pthread_create(&threads->tid, &pattr, worker, arg);
tn++;
pthread_mutex_unlock(&tn_mutex);
if (rc)
if (rc == EAGAIN) // PTHREAD_THREADS_MAX = 2019
xlog("Thread creation failed, max. number of threads exceeded\n");
else xlog("Thread creation failed, rc = %d\n", rc);
else
#ifdef OLD_PTHREADS
xlog("Created thread %08x\n", threads->tid.p);
#else
xlog("Created thread %08x\n", threads->tid);
#endif
return rc;
} /* xpthread_create */
// ----------------------------------------------------------------------------
// THREAD: worker
// ----------------------------------------------------------------------------
void *worker(void *arg)
{
Fl_Menu_Item *mi;
time_t now;
mi = (Fl_Menu_Item *)arg;
#ifdef OLD_PTHREADS
xlog("THREAD %08x: worker: menu %s\n", pthread_self().p, mi->label());
#else
xlog("THREAD %08x: worker: menu %s\n", pthread_self(), mi->label());
#endif
now = time(NULL);
pthread_mutex_lock(&tn_mutex);
tn--;
pthread_mutex_unlock(&tn_mutex);
pthread_exit((void *)(intptr_t)now);
return NULL;
} /* worker */
// ----------------------------------------------------------------------------
// THREAD: convert
// ----------------------------------------------------------------------------
void *convert(void *arg)
{
TARG *targ;
char *url, orig_url[MAXS+1];
char line[MAXS+1], *linep;
char *msg, *msgp, *s;
int sts;
targ = (TARG *)arg;
url = targ->text;
#ifdef OLD_PTHREADS
xlog("THREAD %08x: convert: url %s\n", pthread_self().p, url);
#else
xlog("THREAD %08x: convert: url %s\n", pthread_self(), url);
#endif
linep = line;
snprintf(linep, MAXS, "Converting %s\n", url);
Fl::lock();
brow->add(linep); brow->bottomline(brow->size());
Fl::unlock();
Fl::awake((void *)NULL);
msg = new char[MAXL+1];
xstrncpy(orig_url, url, MAXS);
if (ft == 1) // XYZ files
sts = convert_xyz_file(url, 2, NULL, msg); // convert to separate files
else { // SHP files
if ((s = strrchr(url, '.')) != NULL) *s = '\0'; // clear current extension
xstrncat(url, ".shp", MAXL); // look for <name>.shp
sts = convert_shp_file(url, NULL, msg);
}
if (strlen(msg) > 0) {
xlog("%s", msg); // must use %s here!
Fl::lock();
s = xstrtok_r(msg, "\r\n", &msgp);
while (s != NULL) {
snprintf(linep, MAXS, "@C1%s", s); // write errors in red
brow->add(linep); brow->bottomline(brow->size());
s = xstrtok_r(NULL, "\r\n", &msgp);
}
Fl::unlock();
Fl::awake((void *)NULL);
}
if (sts == 0) {
if (strlen(msg) > 0) // warning: dark magenta
snprintf(linep, MAXS, "@C13Finished converting %s\n", orig_url);
else // all OK: dark green
snprintf(linep, MAXS, "@C10Finished converting %s\n", orig_url);
}
else // error: dark red
snprintf(linep, MAXS, "@C9Finished converting %s\n", orig_url);
Fl::lock();
brow->add(linep); brow->bottomline(brow->size());
Fl::unlock();
Fl::awake((void *)NULL);
delete msg;
delete targ;
pthread_mutex_lock(&tn_mutex);
tn--;
pthread_mutex_unlock(&tn_mutex);
pthread_exit((void *)(intptr_t)sts);
return NULL;
} /* convert */
// ----------------------------------------------------------------------------
// THREAD: convert_all
// ----------------------------------------------------------------------------
void *convert_all(void *arg)
{
char *urls, *url, *sp, *s;
int ii, len, rc;
TARG *targs, *targ;
struct timespec req, rem;
int sts;
unsigned int tid;
targs = (TARG *)arg;
urls = targs->text;
len = strlen(urls);
#ifdef OLD_PTHREADS
tid = PtrToInt(pthread_self().p);
#else
tid = pthread_self();
#endif
if (len > 256)
xlog("THREAD %08x: convert_all: urls %.256s...\n", tid, urls);
else
xlog("THREAD %08x: convert_all: urls %s\n", tid, urls);
brow->clear();
ii = 0; sts = 0;
url = xstrtok_r(urls, "\r\n", &sp);
while (url != NULL) {
while (tn > MAXTN) { // wait until some of the threads finish
#ifdef _WIN32
Sleep(100); // msec
#else
req.tv_sec = 0; req.tv_nsec = 100000000L; // 100 msec
nanosleep(&req, &rem);
#endif
}
url = uri2path(url); // check drag&drop file syntax on Unix (URI)
ii++;
xlog("URL %d: %s\n", ii, url);
// brow->add(url); brow->bottomline(brow->size());
// Fl::flush();
targ = new TARG;
xstrncpy(targ->text, url, MAXL);
if (url != NULL) free(url);
sts += xpthread_create(convert, (void *)targ);
url = xstrtok_r(NULL, "\r\n", &sp);
}
delete targs;
pthread_mutex_lock(&tn_mutex);
tn--;
pthread_mutex_unlock(&tn_mutex);
pthread_exit((void *)(intptr_t)sts);
return NULL;
} /* convert_all */
// ----------------------------------------------------------------------------
// parse_dms
// ----------------------------------------------------------------------------
int parse_dms(const char *str, double *val)
{
DMS dms;
int n;
dms.deg = 0.0; dms.min = 0.0; dms.sec = 0.0; // to keep compiler happy
switch (ddms) {
case 1: // Dec. Degrees
n = sscanf(str, "%lf", &dms.deg);
if (n != 1) {
// error
dms.deg = 0.0;
}
break;
case 2: // Deg. Min.
n = sscanf(str, "%lf%*[^0-9.-]%lf", &dms.deg, &dms.min);
if (n != 2) {
// error
dms.min = 0.0;
if (n != 1) dms.deg = 0.0;
}
dms.min = fabs(dms.min);
break;
case 3: // Deg. Min. Sec.
n = sscanf(str, "%lf%*[^0-9.-]%lf%*[^0-9.-]%lf", &dms.deg, &dms.min, &dms.sec);
if (n != 3) {
// error
dms.sec = 0.0;
if (n != 2) dms.min = 0.0;
if (n != 1) dms.deg = 0.0;
}
dms.min = fabs(dms.min);
dms.sec = fabs(dms.sec);
break;
} // switch (ddms)
dms2deg(dms, val);
return 0;
} /* parse_dms */
// ----------------------------------------------------------------------------
// parse_double
// ----------------------------------------------------------------------------
int parse_double(const char *str, double *val)
{
int n;
n = sscanf(str, "%lf", val);
if (n != 1) {
*val = 0.0;
}
return 0;
} /* parse_double */
// ----------------------------------------------------------------------------
// convert_cb
// Widget w and parameter p can be NULL!
// ----------------------------------------------------------------------------
void convert_cb(Fl_Widget *w, void *p)
{
//Fl_Group *gtr;
int n;
char value1[MAXS+1], value2[MAXS+1], value3[MAXS+1];
double fi, la, h, x, y, H;
GEOGRA fl; GEOUTM xy, gkxy, tmxy;
DMS lat, lon;
//gtr = (Fl_Group *)p;
xy.x = 0.0; xy.y = 0.0; xy.H = 0.0; // to keep compiler happy
fl.fi = 0.0; fl.la = 0.0; fl.h = 0.0;
switch (tr) {
case 1: // gtr1, xy (D96/TM) ==> fila (ETRS89)
case 3: // gtr1, xy (D48/GK) ==> fila (ETRS89)
case 9: // gtr1, xy (D48/GK) ==> fila (ETRS89), AFT
parse_double(input[0]->value(), &y);
parse_double(input[1]->value(), &x);
parse_double(input[2]->value(), &H);
xlog("convert_cb: input(tr = %d): x = %g, y = %g, H = %g\n", tr, x, y, H);
if (y < 200000.0) {
// warn: possibly reversed x/y
}
xy.x = x; xy.y = y; xy.H = H;
break;
case 2: // gtr2, fila (ETRS89) ==> xy (D96/TM)
case 4: // gtr2, fila (ETRS89) ==> xy (D48/GK)
case 10: // gtr2, fila (ETRS89) ==> xy (D48/GK), AFT
parse_dms(input[3]->value(), &fi);
if (fi > 90.0 || fi < -90.0) fi = 0.0;
parse_dms(input[4]->value(), &la);
if (la > 180.0 || la < -180.0) la = 0.0;
parse_double(input[5]->value(), &h);
xlog("convert_cb: input(tr = %d): fi = %g, la = %g, h = %g\n", tr, fi, la, h);
if (la > 17.0) {
// warn: possibly reversed fi/la
}
fl.fi = fi; fl.la = la; fl.h = h;
break;
case 5: // gtr3, xy (D48/GK) ==> xy (D96/TM)
case 6: // gtr3, xy (D96/TM) ==> xy (D48/GK)
case 7: // gtr3, xy (D48/GK) ==> xy (D96/TM), AFT
case 8: // gtr3, xy (D96/TM) ==> xy (D48/GK), AFT
parse_double(input[6]->value(), &y);
parse_double(input[7]->value(), &x);
parse_double(input[8]->value(), &H);
xlog("convert_cb: input(tr = %d): x = %g, y = %g, H = %g\n", tr, x, y, H);
if (y < 200000.0) {
// warn: possibly reversed x/y
}
xy.x = x; xy.y = y; xy.H = H;
break;
} // switch (tr)
switch (tr) {
case 1: tmxy2fila_wgs(xy, &fl); break; // gtr1, xy (D96/TM) ==> fila (ETRS89)
case 2: fila_wgs2tmxy(fl, &xy); break; // gtr2, fila (ETRS89) ==> xy (D96/TM)
case 3: gkxy2fila_wgs(xy, &fl); break; // gtr1, xy (D48/GK) ==> fila (ETRS89)
case 4: fila_wgs2gkxy(fl, &xy); break; // gtr2, fila (ETRS89) ==> xy (D48/GK)
case 5: gkxy2tmxy(xy, &tmxy); xy = tmxy; break; // gtr3, xy (D48/GK) ==> xy (D96/TM)
case 6: tmxy2gkxy(xy, &gkxy); xy = gkxy; break; // gtr3, xy (D96/TM) ==> xy (D48/GK)
case 7: gkxy2tmxy_aft(xy, &tmxy); xy = tmxy; break; // gtr3, xy (D48/GK) ==> xy (D96/TM), AFT
case 8: tmxy2gkxy_aft(xy, &gkxy); xy = gkxy; break; // gtr3, xy (D96/TM) ==> xy (D48/GK), AFT
case 9: gkxy2fila_wgs_aft(xy, &fl); break; // gtr1, xy (D48/GK) ==> fila (ETRS89), AFT
case 10: fila_wgs2gkxy_aft(fl, &xy); break; // gtr2, fila (ETRS89) ==> xy (D48/GK), AFT
} // switch (tr)
switch (tr) {
case 1: // gtr1, xy (D96/TM) ==> fila (ETRS89)
case 3: // gtr1, xy (D48/GK) ==> fila (ETRS89)
case 9: // gtr1, xy (D48/GK) ==> fila (ETRS89), AFT
xlog("convert_cb: output(tr = %d): fi = %.9f, la = %.9f, h = %.3f\n", tr, fl.fi, fl.la, fl.h);
switch (ddms) {
case 1: // Dec. Degrees
snprintf(value1, MAXS, "%.9f", fl.fi);
snprintf(value2, MAXS, "%.9f", fl.la);
snprintf(value3, MAXS, "%.3f", fl.h);
break;
case 2: // Deg. Min.
deg2dm(fl.fi, &lat); deg2dm(fl.la, &lon);
snprintf(value1, MAXS, "%.0f\xB0 %.7f'", lat.deg, lat.min);
snprintf(value2, MAXS, "%.0f\xB0 %.7f'", lon.deg, lon.min);
snprintf(value3, MAXS, "%.3f", fl.h);
break;
case 3: // Deg. Min. Sec.
deg2dms(fl.fi, &lat); deg2dms(fl.la, &lon);
snprintf(value1, MAXS, "%.0f\xB0 %.0f' %.5f\"", lat.deg, lat.min, lat.sec);
snprintf(value2, MAXS, "%.0f\xB0 %.0f' %.5f\"", lon.deg, lon.min, lon.sec);
snprintf(value3, MAXS, "%.3f", fl.h);
break;
} // switch (ddms)
output[0]->value(value1);
output[1]->value(value2);
output[2]->value(value3);
break;
case 2: // gtr2, fila (ETRS89) ==> xy (D96/TM)
case 4: // gtr2, fila (ETRS89) ==> xy (D48/GK)
case 10: // gtr2, fila (ETRS89) ==> xy (D48/GK), AFT
xlog("convert_cb: output(tr = %d): x = %.9f, y = %.9f, H = %.3f\n", tr, xy.x, xy.y, xy.H);
snprintf(value1, MAXS, "%.3f", xy.y);
snprintf(value2, MAXS, "%.3f", xy.x);
snprintf(value3, MAXS, "%.3f", xy.H);
output[3]->value(value1);
output[4]->value(value2);
output[5]->value(value3);
break;
case 5: // gtr3, xy (D48/GK) ==> xy (D96/TM)
case 6: // gtr3, xy (D96/TM) ==> xy (D48/GK)
case 7: // gtr3, xy (D48/GK) ==> xy (D96/TM), AFT
case 8: // gtr3, xy (D96/TM) ==> xy (D48/GK), AFT
xlog("convert_cb: output(tr = %d): x = %.9f, y = %.9f, H = %.3f\n", tr, xy.x, xy.y, xy.H);
snprintf(value1, MAXS, "%.3f", xy.y);
snprintf(value2, MAXS, "%.3f", xy.x);
snprintf(value3, MAXS, "%.3f", xy.H);
output[6]->value(value1);
output[7]->value(value2);
output[8]->value(value3);
break;
} // switch (tr)
} /* convert_cb */
// ----------------------------------------------------------------------------
// open_url
// ----------------------------------------------------------------------------
int open_url(const char *url)
{
int rc, ii, blen;
char buf[MAXS+1], cmd[MAXS+1], *path;
#ifdef _WIN32
HINSTANCE hi;
#endif
#ifdef _WIN32
hi = ShellExecute(HWND_DESKTOP, "open", url, NULL, NULL, SW_SHOWDEFAULT);
rc = PtrToInt(hi);
if (rc > 32) rc = 0;
else if (rc == 0) rc = ENOMEM;
#else
rc = 1;
blen = sizeof(browsers)/sizeof(*browsers);
for (ii = 0; ii < blen; ii++) {
if ((path = locate_exe(browsers[ii], buf, MAXS)) == NULL)
continue;
snprintf(cmd, MAXS, "\"%s\" '%s' >/dev/null 2>&1 &", path, url);
rc = system(cmd);
break;
}
#endif
return rc;
} /* open_url */
// ----------------------------------------------------------------------------
// show_cb
// ----------------------------------------------------------------------------
void show_cb(Fl_Widget *w, void *p)
{
double fi, la, h, x, y, H;
GEOGRA fl; GEOUTM xy;
char fip, lap, url[MAXS+1];
fi = 0.0; la = 0.0;
fl.fi = 0.0; fl.la = 0.0;
switch (tr) {
case 1: // gtr1, xy (D96/TM) ==> fila (ETRS89)
case 3: // gtr1, xy (D48/GK) ==> fila (ETRS89)
case 9: // gtr1, xy (D48/GK) ==> fila (ETRS89), AFT
parse_dms(output[0]->value(), &fi);
if (fi > 90.0 || fi < -90.0) fi = 0.0;
parse_dms(output[1]->value(), &la);
if (la > 180.0 || la < -180.0) la = 0.0;
if (fi == 0.0 || la == 0.0) {
parse_double(input[0]->value(), &y);
parse_double(input[1]->value(), &x);
xy.x = x; xy.y = y; xy.H = 0;
switch (tr) {
case 1: tmxy2fila_wgs(xy, &fl); break; // gtr1, xy (D96/TM) ==> fila (ETRS89)
case 3: gkxy2fila_wgs(xy, &fl); break; // gtr1, xy (D48/GK) ==> fila (ETRS89)
case 9: gkxy2fila_wgs_aft(xy, &fl); break; // gtr1, xy (D48/GK) ==> fila (ETRS89), AFT
} // switch (tr)
fi = fl.fi; la = fl.la;
}
break;
case 2: // gtr2, fila (ETRS89) ==> xy (D96/TM)
case 4: // gtr2, fila (ETRS89) ==> xy (D48/GK)
case 10: // gtr2, fila (ETRS89) ==> xy (D48/GK), AFT
parse_dms(input[3]->value(), &fi);
if (fi > 90.0 || fi < -90.0) fi = 0.0;
parse_dms(input[4]->value(), &la);
if (la > 180.0 || la < -180.0) la = 0.0;
break;
case 5: // gtr3, xy (D48/GK) ==> xy (D96/TM)
case 6: // gtr3, xy (D96/TM) ==> xy (D48/GK)
case 7: // gtr3, xy (D48/GK) ==> xy (D96/TM), AFT
case 8: // gtr3, xy (D96/TM) ==> xy (D48/GK), AFT
parse_double(input[6]->value(), &y);
parse_double(input[7]->value(), &x);
xy.x = x; xy.y = y; xy.H = 0;
switch (tr) {
case 5: gkxy2fila_wgs_aft(xy, &fl); break; // gtr3, xy (D48/GK) ==> fila (ETRS89), AFT
case 6: tmxy2fila_wgs(xy, &fl); break; // gtr3, xy (D96/TM) ==> fila (ETRS89)
case 7: gkxy2fila_wgs_aft(xy, &fl); break; // gtr3, xy (D48/GK) ==> fila (ETRS89), AFT
case 8: tmxy2fila_wgs(xy, &fl); break; // gtr3, xy (D96/TM) ==> fila (ETRS89)
} // switch (tr)
fi = fl.fi; la = fl.la;
break;
} // switch (tr)
fip = 'N'; if (fi < 0.0) fip = 'S';
lap = 'E'; if (la < 0.0) lap = 'W';
snprintf(url, MAXS, "https://tools.wmflabs.org/geohack/geohack.php?params=%.9f_%c_%.9f_%c_scale:%d\n",
fabs(fi), fip, fabs(la), lap, SCALE);
open_url(url);
} /* show_cb */
// ----------------------------------------------------------------------------
// mainwin_cb
// ----------------------------------------------------------------------------
void mainwin_cb(Fl_Widget *w, void *p)
{
Fl_Double_Window *mw;
mw = (Fl_Double_Window *)w;
xlog("mainwin_cb\n");
mw->hide(); // not really needed (already default action)
} /* window_cb */
// ----------------------------------------------------------------------------
// menu_cb
// ----------------------------------------------------------------------------
void menu_cb(Fl_Widget *w, void *p)
{
Fl_Menu_ *m;
const Fl_Menu_Item *mi;
int rc;
m = (Fl_Menu_ *)w;
mi = m->mvalue();
if (!mi)
xlog("menu_cb: mi = NULL\n");
else if (mi->shortcut()) {
xlog("menu_cb: %s (%s)\n", mi->label(), fl_shortcut_label(mi->shortcut()));
rc = xpthread_create(worker, (void *)mi);
}
else {
xlog("menu_cb: %s\n", mi->label());
rc = xpthread_create(worker, (void *)mi);
}
} /* menu_cb */
// ----------------------------------------------------------------------------
// open_cb
// ----------------------------------------------------------------------------
void open_cb(Fl_Widget *w, void *p)
{
Fl_Native_File_Chooser *nfc;
char *text;
int ii, rc;
TARG *targ;
nfc = new Fl_Native_File_Chooser();
nfc->title("Select files");
nfc->type(Fl_Native_File_Chooser::BROWSE_MULTI_FILE);
if (ft == 1) // XYZ files
nfc->filter("XYZ Files\t*.{xyz,csv,txt}\n"
"LIDAR Files\t*.asc\n"
"ESRI Shapefiles\t*.shp\n");
else // SHP files
nfc->filter("ESRI Shapefiles\t*.shp\n"
"XYZ Files\t*.{xyz,csv,txt}\n"
"LIDAR Files\t*.asc\n");
//nfc->directory("/tmp");
//nfc->preset_file("test.xyz");
switch (nfc->show()) {
case -1: xlog("open_cb: error = %s\n", nfc->errmsg()); break;
case 1: xlog("open_cb: cancel\n"); break;
default:
tab1->show(); // switch to drag & drop area tab
text = new char[MAXL+1]; *text = '\0';
for (ii = 0; ii < nfc->count(); ii++) {
xlog("open_cb: selected = %s\n", nfc->filename(ii));
xstrncat(text, nfc->filename(ii), MAXL);
xstrncat(text, "\n", MAXL);
}
targ = new TARG;
xstrncpy(targ->text, text, MAXL);
delete text;
rc = xpthread_create(convert_all, (void *)targ);
break;
}
} /* open_cb */
// ----------------------------------------------------------------------------
// quit_cb
// ----------------------------------------------------------------------------
void quit_cb(Fl_Widget *w, void *p)
{
Fl_Menu_ *m;
m = (Fl_Menu_ *)w;
xlog("quit_cb\n");
// Get main window and hide it (=> close main)
m->window()->hide();
} /* quit_cb */
// ----------------------------------------------------------------------------
// help_cb
// ----------------------------------------------------------------------------
void help_cb(Fl_Widget *w, void *p)
{
Fl_Menu_ *m;
struct _stat fst;
char fname[MAXS+1];
Fl_Help_Dialog *help;
m = (Fl_Menu_ *)w;
xlog("help_cb\n");
if (strlen(path0) > 0)
snprintf(fname, MAXS, "%s%c%s", path0, DIRSEP, HELP);
else
xstrncpy(fname, HELP, MAXS);
if (utf8_stat(fname, &fst) < 0) { // help file not found
fl_message_title("Help");
fl_message("Help file \"%s\" not found\n"
"See http://geocoordinateconverter.tk for help\n",
fname);
}
else {
help = new Fl_Help_Dialog();
help->load(fname);
help->textsize(16);
help->show();
}
} /* help_cb */
// ----------------------------------------------------------------------------
// clear_cb
// ----------------------------------------------------------------------------
void clear_cb(Fl_Widget *w, void *p)
{
Fl_Menu_ *m;
m = (Fl_Menu_ *)w;
xlog("clear_cb\n");
brow->clear();
} /* clear_cb */
// ----------------------------------------------------------------------------
// about_cb
// ----------------------------------------------------------------------------
void about_cb(Fl_Widget *w, void *p)
{
Fl_Menu_ *m;
m = (Fl_Menu_ *)w;
xlog("about_cb\n");
fl_message_title("About");
// copyright: Unicode: 00A9, UTF8: A9
fl_message("Geo Coordinate Converter\n"
"xgk-slo v%s (%s)\n"
"Copyright \xA9 2014-2016 Matjaz Rihtar",
SW_VERSION, SW_BUILD);
} /* about_cb */
// ----------------------------------------------------------------------------
// fields_show
// ----------------------------------------------------------------------------
void fields_show(int n)
{
int ii;
switch (n) {
case 1:
// set ddms to proper value on switched fields
for (ii = 0; ii < 3; ii++)
if (rb_dms[ii]->value()) ddms = ii % 3 + 1;
gtr1->show(); gtr2->hide(); gtr3->hide();
break;
case 2:
// set ddms to proper value on switched fields
for (ii = 3; ii < 6; ii++)
if (rb_dms[ii]->value()) ddms = ii % 3 + 1;
gtr1->hide(); gtr2->show(); gtr3->hide();
break;
case 3:
gtr1->hide(); gtr2->hide(); gtr3->show();
break;
}
xlog("fields_show: ddms = %d\n", ddms);
} /* fields_show */
// ----------------------------------------------------------------------------
// trans_cb
// ----------------------------------------------------------------------------
void trans_cb(Fl_Widget *w, void *p)
{
Fl_Radio_Round_Button *b;
int ii, bsel;
b = (Fl_Radio_Round_Button *)w;
bsel = -1;
for (ii = 0; ii < 10; ii++) {
if (b == rb_trans[ii]) {
rb_trans[ii]->labelfont(FL_BOLD);