trunk/src/geotoad.c

/*
 * Copyright (C) 2009 Till Harbaum <till@harbaum.org>.
 *
 * This file is part of GPXView.
 *
 * GPXView is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * GPXView is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GPXView.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "gpxview.h"

#include <fcntl.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <errno.h>
#include <math.h>

#if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR >= 5)
#include <hildon/hildon-entry.h>
#endif

#define GEOTOAD "/usr/bin/geotoad"

#define COLOR_ERR     "red"
#define COLOR_OK      "darkgreen"
#define COLOR_SYSTEM  "darkblue"

#define BUFFER_SIZE  256

typedef struct {
  appdata_t *appdata;

  GtkWidget *dialog;

  char buf[BUFFER_SIZE];
  int bused;

  /** gdk input tag for async IO */
  gint stdout_tag, stderr_tag;
  gint stdin_fd, stdout_fd, stderr_fd;

  struct log_s {
    GtkTextBuffer *buffer;
    GtkWidget *view;
  } log;

  GtkWidget *username, *password, *filename;
  GtkWidget *lat, *lon, *dst;
  
} gt_context_t;

static void appendf(struct log_s *log, char *colname, 
                    const char *fmt, ...) {
  va_list args;
  va_start( args, fmt );
  char *buf = g_strdup_vprintf(fmt, args);
  va_end( args );

  printf("append: %s", buf);

  GtkTextTag *tag = NULL;
  if(colname)
    tag = gtk_text_buffer_create_tag(log->buffer, NULL,
                                     "foreground", colname,
                                     NULL);
  
  GtkTextIter end;
  gtk_text_buffer_get_end_iter(log->buffer, &end);
  if(tag) 
    gtk_text_buffer_insert_with_tags(log->buffer, &end, buf, -1, tag, NULL);
  else    
    gtk_text_buffer_insert(log->buffer, &end, buf, -1);

  g_free(buf);

  gtk_text_buffer_get_end_iter(log->buffer, &end);
  gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(log->view),
                               &end, 0.0, FALSE, 0, 0); 
}

/* watch child process and receive events */
static void child_state_cb(GPid pid, gint status, gpointer data) {
  gt_context_t *context = (gt_context_t*)data;

  puts("child state");

  if(WIFEXITED(status)) {
    printf("child exited with return code %d\n", WEXITSTATUS(status));
  } else
    printf("child failed\n");

  puts("gt exited");

  appendf(&context->log, COLOR_SYSTEM, "GeoToad finished\n");

  appendf(&context->log, COLOR_SYSTEM, "TODO: free context!!!\n");
  //    printf("freeing context\n");
  //    g_free(context);

  /* Reap child if needed. */
  waitpid (pid, NULL, WNOHANG);
}

static gboolean child_input_cb(GIOChannel *source,
                               GIOCondition condition,
                               gpointer data) {
  gt_context_t *context = (gt_context_t*)data;
  int fd = g_io_channel_unix_get_fd(source);
  ssize_t bytes;

  g_assert(condition == G_IO_IN);

  /* append to current buffer content */
  while( (bytes = read(fd, context->buf+context->bused, 
                 sizeof(context->buf) - context->bused - 1)) > 0) {
    context->bused += bytes;
    context->buf[context->bused]='\0';

    /* consume line by line */
    gchar *ptr = context->buf;
    
    /* parse as long as the buffer contains a newline */
    while( strchr(ptr, '\n') != NULL) {
      char *p = strchr(ptr, '\n');
      *p = '\0';

      char *color = NULL;
      if(strstr(ptr, "Saved to ") != NULL)
        color = COLOR_OK;

      appendf(&context->log, color, "%s\n", ptr);

      ptr = p+1;
    }

    /* move remaining bytes down the buffer */
    memmove(context->buf, ptr, sizeof(context->buf)-(ptr-context->buf));
    context->bused -= ptr - context->buf;

    /* check if buffer is full but doesn't contain any newline */
    if(context->bused >= sizeof(context->buf)-1) {
      printf("ERROR: reply buffer overflow\n");
      context->bused = 0;
    }
  }

  return TRUE;
}

static void run(gt_context_t *context) {
  /* setup context */
  context->bused = 0;
  context->stdout_tag = -1;
  context->stderr_tag = -1;
  context->stdin_fd  = -1;
  context->stderr_fd = -1;
  context->stderr_fd = -1;

  /* build list of arguments to call geotoad */
  GPtrArray *gt_argv = g_ptr_array_new();
  g_ptr_array_add (gt_argv, GEOTOAD);
  g_ptr_array_add (gt_argv, "--distanceMax=1.0");
  g_ptr_array_add (gt_argv, "--output=gtoad.gpx");
  g_ptr_array_add (gt_argv, "--password=winterblume");
  g_ptr_array_add (gt_argv, "--queryType=coord");
  g_ptr_array_add (gt_argv, "--user=Tantil");

  /* check if we need to add proxy config */
  char *proxy = NULL;
  if(context->appdata->proxy && context->appdata->proxy->host) {
    if(context->appdata->proxy->use_authentication &&
       context->appdata->proxy->authentication_user &&
       context->appdata->proxy->authentication_password)
      proxy = g_strdup_printf("--proxy=http://%s:%s@%s:%d", 
                              context->appdata->proxy->authentication_user,
                              context->appdata->proxy->authentication_password,
                              context->appdata->proxy->host,
                              context->appdata->proxy->port);
    else
      proxy = g_strdup_printf("--proxy=http://%s:%d", 
                              context->appdata->proxy->host,
                              context->appdata->proxy->port);
    
    appendf(&context->log, COLOR_SYSTEM, "Using proxy: %s\n", proxy);
    g_ptr_array_add (gt_argv, proxy);
  }

  g_ptr_array_add (gt_argv, "N49 00.000 E008 23.000");
  g_ptr_array_add (gt_argv, NULL);

  GError *error=NULL;
  GPid pid;
  GSource *gt_watch;

  if (!g_spawn_async_with_pipes (NULL, /* CWD */
                                 (char **) gt_argv->pdata, /* argv */
                                 NULL, /* envp */
                                 G_SPAWN_DO_NOT_REAP_CHILD, /* flags */
                                 NULL, /* child setup */
                                 NULL, /* user data */
                                 &pid,
                                 &context->stdin_fd,
                                 &context->stdout_fd,
                                 &context->stderr_fd,
                                 &error)) {
    g_ptr_array_free(gt_argv, TRUE);
    if(proxy) g_free(proxy);
    appendf(&context->log, COLOR_ERR,
            _("GeoToad failed to start!\n%s\n"), error->message);
    g_error_free(error);
    return;
  }

  g_ptr_array_free (gt_argv, TRUE);
  if(proxy) g_free(proxy);

  gt_watch = g_child_watch_source_new(pid);
  g_source_set_callback(gt_watch, (GSourceFunc) child_state_cb, context, NULL);

  g_source_attach(gt_watch, NULL);
  g_source_unref(gt_watch);

  /* make nonblocking */
  if(fcntl(context->stdout_fd, F_SETFL, O_NONBLOCK) == -1) 
    perror("fcntl failed");

  if(fcntl(context->stderr_fd, F_SETFL, O_NONBLOCK) == -1) 
    perror("fcntl failed");

  GIOChannel *ioc = g_io_channel_unix_new(context->stdout_fd);
  g_io_channel_set_close_on_unref (ioc, TRUE);
  g_io_channel_set_encoding (ioc, NULL, NULL);
  g_io_add_watch(ioc, G_IO_IN,  child_input_cb, context);
  g_io_channel_unref(ioc);

  //  ioc = g_io_channel_unix_new(context->stderr_fd);
  //  g_io_add_watch(ioc, G_IO_IN,  child_input_cb, context);
  //  g_io_channel_unref(ioc);
}
        
/* show text window and display output of running geotoad */
static void gui_run(gt_context_t *context) {
  GtkWidget *dialog = gtk_dialog_new_with_buttons(_("GeoToad - Run"),
                          GTK_WINDOW(context->appdata->window),
                          GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
                          GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
                          NULL);

  gtk_window_set_default_size(GTK_WINDOW(dialog), 640, 480);

#ifndef USE_PANNABLE_AREA
  GtkWidget *scrolled_window = gtk_scrolled_window_new(NULL, NULL);
  gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window), 
                                 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
#else
  GtkWidget *pannable_area = hildon_pannable_area_new();
#endif
  
  context->log.buffer = gtk_text_buffer_new(NULL);

#ifndef USE_HILDON_TEXT_VIEW
  context->log.view = gtk_text_view_new_with_buffer(context->log.buffer);
#else
  context->log.view = hildon_text_view_new();
  hildon_text_view_set_buffer(HILDON_TEXT_VIEW(context->log.view), 
                              context->log.buffer);
#endif

#ifndef USE_PANNABLE_AREA
  gtk_container_add(GTK_CONTAINER(scrolled_window), context->log.view);
  gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(scrolled_window),
                                       GTK_SHADOW_IN);

  gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), 
                     scrolled_window, TRUE, TRUE, 0);
#else
  gtk_container_add(GTK_CONTAINER(pannable_area), context->log.view);
  gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), 
                     pannable_area, TRUE, TRUE, 0);
#endif

  gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE);

  gtk_widget_show_all(dialog);

  appendf(&context->log, COLOR_SYSTEM, "Running GeoToad\n");
  run(context);

  gtk_dialog_run(GTK_DIALOG(dialog));

  gtk_widget_destroy(dialog);
}

static void on_browse(GtkWidget *widget, gpointer data) {
  gt_context_t *context = (gt_context_t*)data;

  printf("Browse %p\n", context->dialog);

#ifdef USE_MAEMO
  GtkWidget *dialog = hildon_file_chooser_dialog_new(GTK_WINDOW(context->dialog), 
                                          GTK_FILE_CHOOSER_ACTION_SAVE);
#else
  GtkWidget *dialog = gtk_file_chooser_dialog_new(_("Save GPX file"),
                                       GTK_WINDOW(context->dialog),
                                       GTK_FILE_CHOOSER_ACTION_SAVE,
                                       GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
                                       GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
                                       NULL);
#endif

  printf("set filename <%s>\n", context->appdata->gt.filename);

  if(!g_file_test(context->appdata->gt.filename, G_FILE_TEST_EXISTS)) {
    char *last_sep = strrchr(context->appdata->gt.filename, '/');
    if(last_sep) {
      *last_sep = 0;  // seperate path from file 

      /* the user just created a new document */
      gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), 
                                          context->appdata->gt.filename);
      gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), last_sep+1);

      /* restore full filename */
      *last_sep = '/';
    }
  } else 
    gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), 
                                  context->appdata->gt.filename);

  if (gtk_dialog_run (GTK_DIALOG(dialog)) == GTK_FM_OK) {
    gchar *name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
    gtk_label_set_text(GTK_LABEL(context->filename), name);
  }
  
  gtk_widget_destroy (dialog);
}

static gboolean gui_setup(gt_context_t *context) {
  appdata_t *appdata = context->appdata;
  gboolean ok = FALSE;

  /* if no filename has been setup yet, create one */
  if(!appdata->gt.filename && appdata->path) {
    printf("creating path\n");
    appdata->gt.filename = 
      g_strdup_printf("%s/gtoad.gpx", appdata->path);
  }

  context->dialog = gtk_dialog_new_with_buttons(_("GeoToad - Setup"),
                        GTK_WINDOW(appdata->window),
                        GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
                        GTK_STOCK_OK,     GTK_RESPONSE_OK,
                        NULL);

  /* ------------------- Coordinates ------------------------- */
  GtkWidget *hbox = gtk_hbox_new(FALSE, 0);

  GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
  gtk_box_pack_start_defaults(GTK_BOX(vbox), left_label_new(_("Position:")));
  gtk_box_pack_start_defaults(GTK_BOX(vbox), left_label_new(_("Distance:")));
  gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);

  /* setup default positions */
  pos_t *refpos = get_pos(appdata);
  if((isnan(appdata->gt.lat) || isnan(appdata->gt.lat)) && refpos) {
    appdata->gt.lat = refpos->lat;
    appdata->gt.lon = refpos->lon;
  }

  vbox = gtk_vbox_new(FALSE, 0);
  GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);
  context->lat = lat_entry_new(appdata->gt.lat);
  gtk_box_pack_start_defaults(GTK_BOX(ihbox), context->lat);
  context->lon = lon_entry_new(appdata->gt.lon);
  gtk_box_pack_start_defaults(GTK_BOX(ihbox), context->lon);
  gtk_box_pack_start_defaults(GTK_BOX(vbox), ihbox);
  context->dst = dist_entry_new(appdata->gt.distance, appdata->imperial);
  gtk_box_pack_start_defaults(GTK_BOX(vbox), context->dst);
  gtk_box_pack_start_defaults(GTK_BOX(hbox), vbox);

  gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(context->dialog)->vbox), hbox);

  /* ------------------- file name ------------------------- */
  hbox = gtk_hbox_new(FALSE, 0);

  context->filename = gtk_label_new(appdata->gt.filename);
  gtk_misc_set_alignment(GTK_MISC(context->filename), 0.f, 0.5f);
  gtk_label_set_ellipsize(GTK_LABEL(context->filename), PANGO_ELLIPSIZE_MIDDLE);
  gtk_box_pack_start_defaults(GTK_BOX(hbox), context->filename);

  GtkWidget *button = gtk_button_new_with_label(_("Browse"));
#if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR == 5)
  hildon_gtk_widget_set_theme_size(button, 
           (HILDON_SIZE_FINGER_HEIGHT | HILDON_SIZE_AUTO_WIDTH));
#endif  
  gtk_signal_connect(GTK_OBJECT(button), "clicked",
                     GTK_SIGNAL_FUNC(on_browse), context);
  gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);

  gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(context->dialog)->vbox), hbox);


  /* ------------------- Username/Password ------------------------- */
  hbox = gtk_hbox_new(FALSE, 0);
  vbox = gtk_vbox_new(FALSE, 0);
  gtk_box_pack_start_defaults(GTK_BOX(vbox), left_label_new(_("Username:")));
  gtk_box_pack_start_defaults(GTK_BOX(vbox), left_label_new(_("Password:")));
  gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
  
  vbox = gtk_vbox_new(FALSE, 0);
#if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5)
  context->username = gtk_entry_new();
  context->password = gtk_entry_new();
#else
  context->username = hildon_entry_new(HILDON_SIZE_AUTO);
  hildon_gtk_entry_set_input_mode(GTK_ENTRY(context->username),
                                  HILDON_GTK_INPUT_MODE_FULL);
  context->password = hildon_entry_new(HILDON_SIZE_AUTO);
  hildon_gtk_entry_set_input_mode(GTK_ENTRY(context->password),
                                  HILDON_GTK_INPUT_MODE_FULL);
#endif
  gtk_entry_set_visibility(GTK_ENTRY(context->password), FALSE);

  /* set saved defaults */
  if(appdata->gt.username)
    gtk_entry_set_text(GTK_ENTRY(context->username), 
                       appdata->gt.username);

  if(appdata->gt.password)
    gtk_entry_set_text(GTK_ENTRY(context->password), 
                       appdata->gt.password);

  gtk_box_pack_start_defaults(GTK_BOX(vbox), context->username);
  gtk_box_pack_start_defaults(GTK_BOX(vbox), context->password);
  gtk_box_pack_start_defaults(GTK_BOX(hbox), vbox);

  gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(context->dialog)->vbox), hbox);

  gtk_dialog_set_default_response(GTK_DIALOG(context->dialog), GTK_RESPONSE_OK);

  gtk_widget_show_all(context->dialog);

  if(gtk_dialog_run(GTK_DIALOG(context->dialog)) == GTK_RESPONSE_OK) {

    /* save values */
    if(appdata->gt.username) g_free(appdata->gt.username);
    appdata->gt.username = 
      g_strdup(gtk_entry_get_text(GTK_ENTRY(context->username)));
                                             
    if(appdata->gt.password) g_free(appdata->gt.password);
    appdata->gt.password = 
      g_strdup(gtk_entry_get_text(GTK_ENTRY(context->password)));

    if(appdata->gt.filename) g_free(appdata->gt.filename);
    appdata->gt.filename = 
      g_strdup(gtk_label_get_text(GTK_LABEL(context->filename)));

    ok = TRUE;
  }

  gtk_widget_destroy(context->dialog);

  return ok;
}

void geotoad(appdata_t *appdata) {
  if(!geotoad_available()) {
    errorf(_("GeoToad is not installed on this device.\n"
             "You need to install it in order to be able to use it."));
    return;
  }

  gt_context_t *context = g_new0(gt_context_t, 1);
  context->appdata = appdata;

  printf("geoToad\n");

  if(gui_setup(context))
    gui_run(context);
}

gboolean geotoad_available(void) {
  /* before doing anything make sure geotoad is installed */
  return g_file_test(GEOTOAD, G_FILE_TEST_IS_EXECUTABLE);
}


1	/*
2	* Copyright (C) 2009 Till Harbaum <till@harbaum.org>.
3	*
4	* This file is part of GPXView.
5	*
6	* GPXView is free software: you can redistribute it and/or modify
7	* it under the terms of the GNU General Public License as published by
8	* the Free Software Foundation, either version 3 of the License, or
9	* (at your option) any later version.
10	*
11	* GPXView is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	* GNU General Public License for more details.
15	*
16	* You should have received a copy of the GNU General Public License
17	* along with GPXView. If not, see <http://www.gnu.org/licenses/>.
18	*/
19
20	#include "gpxview.h"
21
22	#include <fcntl.h>
23	#include <sys/types.h>
24	#include <sys/wait.h>
25	#include <errno.h>
26	#include <math.h>
27
28	#if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR >= 5)
29	#include <hildon/hildon-entry.h>
30	#endif
31
32	#define GEOTOAD "/usr/bin/geotoad"
33
34	#define COLOR_ERR "red"
35	#define COLOR_OK "darkgreen"
36	#define COLOR_SYSTEM "darkblue"
37
38	#define BUFFER_SIZE 256
39
40	typedef struct {
41	appdata_t *appdata;
42
43	GtkWidget *dialog;
44
45	char buf[BUFFER_SIZE];
46	int bused;
47
48	/** gdk input tag for async IO */
49	gint stdout_tag, stderr_tag;
50	gint stdin_fd, stdout_fd, stderr_fd;
51
52	struct log_s {
53	GtkTextBuffer *buffer;
54	GtkWidget *view;
55	} log;
56
57	GtkWidget username, password, *filename;
58	GtkWidget lat, lon, *dst;
59
60	} gt_context_t;
61
62	static void appendf(struct log_s log, char colname,
63	const char *fmt, ...) {
64	va_list args;
65	va_start( args, fmt );
66	char *buf = g_strdup_vprintf(fmt, args);
67	va_end( args );
68
69	printf("append: %s", buf);
70
71	GtkTextTag *tag = NULL;
72	if(colname)
73	tag = gtk_text_buffer_create_tag(log->buffer, NULL,
74	"foreground", colname,
75	NULL);
76
77	GtkTextIter end;
78	gtk_text_buffer_get_end_iter(log->buffer, &end);
79	if(tag)
80	gtk_text_buffer_insert_with_tags(log->buffer, &end, buf, -1, tag, NULL);
81	else
82	gtk_text_buffer_insert(log->buffer, &end, buf, -1);
83
84	g_free(buf);
85
86	gtk_text_buffer_get_end_iter(log->buffer, &end);
87	gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(log->view),
88	&end, 0.0, FALSE, 0, 0);
89	}
90
91	/* watch child process and receive events */
92	static void child_state_cb(GPid pid, gint status, gpointer data) {
93	gt_context_t context = (gt_context_t)data;
94
95	puts("child state");
96
97	if(WIFEXITED(status)) {
98	printf("child exited with return code %d\n", WEXITSTATUS(status));
99	} else
100	printf("child failed\n");
101
102	puts("gt exited");
103
104	appendf(&context->log, COLOR_SYSTEM, "GeoToad finished\n");
105
106	appendf(&context->log, COLOR_SYSTEM, "TODO: free context!!!\n");
107	// printf("freeing context\n");
108	// g_free(context);
109
110	/* Reap child if needed. */
111	waitpid (pid, NULL, WNOHANG);
112	}
113
114	static gboolean child_input_cb(GIOChannel *source,
115	GIOCondition condition,
116	gpointer data) {
117	gt_context_t context = (gt_context_t)data;
118	int fd = g_io_channel_unix_get_fd(source);
119	ssize_t bytes;
120
121	g_assert(condition == G_IO_IN);
122
123	/* append to current buffer content */
124	while( (bytes = read(fd, context->buf+context->bused,
125	sizeof(context->buf) - context->bused - 1)) > 0) {
126	context->bused += bytes;
127	context->buf[context->bused]='\0';
128
129	/* consume line by line */
130	gchar *ptr = context->buf;
131
132	/* parse as long as the buffer contains a newline */
133	while( strchr(ptr, '\n') != NULL) {
134	char *p = strchr(ptr, '\n');
135	*p = '\0';
136
137	char *color = NULL;
138	if(strstr(ptr, "Saved to ") != NULL)
139	color = COLOR_OK;
140
141	appendf(&context->log, color, "%s\n", ptr);
142
143	ptr = p+1;
144	}
145
146	/* move remaining bytes down the buffer */
147	memmove(context->buf, ptr, sizeof(context->buf)-(ptr-context->buf));
148	context->bused -= ptr - context->buf;
149
150	/* check if buffer is full but doesn't contain any newline */
151	if(context->bused >= sizeof(context->buf)-1) {
152	printf("ERROR: reply buffer overflow\n");
153	context->bused = 0;
154	}
155	}
156
157	return TRUE;
158	}
159
160	static void run(gt_context_t *context) {
161	/* setup context */
162	context->bused = 0;
163	context->stdout_tag = -1;
164	context->stderr_tag = -1;
165	context->stdin_fd = -1;
166	context->stderr_fd = -1;
167	context->stderr_fd = -1;
168
169	/* build list of arguments to call geotoad */
170	GPtrArray *gt_argv = g_ptr_array_new();
171	g_ptr_array_add (gt_argv, GEOTOAD);
172	g_ptr_array_add (gt_argv, "--distanceMax=1.0");
173	g_ptr_array_add (gt_argv, "--output=gtoad.gpx");
174	g_ptr_array_add (gt_argv, "--password=winterblume");
175	g_ptr_array_add (gt_argv, "--queryType=coord");
176	g_ptr_array_add (gt_argv, "--user=Tantil");
177
178	/* check if we need to add proxy config */
179	char *proxy = NULL;
180	if(context->appdata->proxy && context->appdata->proxy->host) {
181	if(context->appdata->proxy->use_authentication &&
182	context->appdata->proxy->authentication_user &&
183	context->appdata->proxy->authentication_password)
184	proxy = g_strdup_printf("--proxy=http://%s:%s@%s:%d",
185	context->appdata->proxy->authentication_user,
186	context->appdata->proxy->authentication_password,
187	context->appdata->proxy->host,
188	context->appdata->proxy->port);
189	else
190	proxy = g_strdup_printf("--proxy=http://%s:%d",
191	context->appdata->proxy->host,
192	context->appdata->proxy->port);
193
194	appendf(&context->log, COLOR_SYSTEM, "Using proxy: %s\n", proxy);
195	g_ptr_array_add (gt_argv, proxy);
196	}
197
198	g_ptr_array_add (gt_argv, "N49 00.000 E008 23.000");
199	g_ptr_array_add (gt_argv, NULL);
200
201	GError *error=NULL;
202	GPid pid;
203	GSource *gt_watch;
204
205	if (!g_spawn_async_with_pipes (NULL, /* CWD */
206	(char *) gt_argv->pdata, / argv */
207	NULL, /* envp */
208	G_SPAWN_DO_NOT_REAP_CHILD, /* flags */
209	NULL, /* child setup */
210	NULL, /* user data */
211	&pid,
212	&context->stdin_fd,
213	&context->stdout_fd,
214	&context->stderr_fd,
215	&error)) {
216	g_ptr_array_free(gt_argv, TRUE);
217	if(proxy) g_free(proxy);
218	appendf(&context->log, COLOR_ERR,
219	_("GeoToad failed to start!\n%s\n"), error->message);
220	g_error_free(error);
221	return;
222	}
223
224	g_ptr_array_free (gt_argv, TRUE);
225	if(proxy) g_free(proxy);
226
227	gt_watch = g_child_watch_source_new(pid);
228	g_source_set_callback(gt_watch, (GSourceFunc) child_state_cb, context, NULL);
229
230	g_source_attach(gt_watch, NULL);
231	g_source_unref(gt_watch);
232
233	/* make nonblocking */
234	if(fcntl(context->stdout_fd, F_SETFL, O_NONBLOCK) == -1)
235	perror("fcntl failed");
236
237	if(fcntl(context->stderr_fd, F_SETFL, O_NONBLOCK) == -1)
238	perror("fcntl failed");
239
240	GIOChannel *ioc = g_io_channel_unix_new(context->stdout_fd);
241	g_io_channel_set_close_on_unref (ioc, TRUE);
242	g_io_channel_set_encoding (ioc, NULL, NULL);
243	g_io_add_watch(ioc, G_IO_IN, child_input_cb, context);
244	g_io_channel_unref(ioc);
245
246	// ioc = g_io_channel_unix_new(context->stderr_fd);
247	// g_io_add_watch(ioc, G_IO_IN, child_input_cb, context);
248	// g_io_channel_unref(ioc);
249	}
250
251	/* show text window and display output of running geotoad */
252	static void gui_run(gt_context_t *context) {
253	GtkWidget *dialog = gtk_dialog_new_with_buttons(_("GeoToad - Run"),
254	GTK_WINDOW(context->appdata->window),
255	GTK_DIALOG_MODAL \| GTK_DIALOG_DESTROY_WITH_PARENT,
256	GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
257	NULL);
258
259	gtk_window_set_default_size(GTK_WINDOW(dialog), 640, 480);
260
261	#ifndef USE_PANNABLE_AREA
262	GtkWidget *scrolled_window = gtk_scrolled_window_new(NULL, NULL);
263	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
264	GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
265	#else
266	GtkWidget *pannable_area = hildon_pannable_area_new();
267	#endif
268
269	context->log.buffer = gtk_text_buffer_new(NULL);
270
271	#ifndef USE_HILDON_TEXT_VIEW
272	context->log.view = gtk_text_view_new_with_buffer(context->log.buffer);
273	#else
274	context->log.view = hildon_text_view_new();
275	hildon_text_view_set_buffer(HILDON_TEXT_VIEW(context->log.view),
276	context->log.buffer);
277	#endif
278
279	#ifndef USE_PANNABLE_AREA
280	gtk_container_add(GTK_CONTAINER(scrolled_window), context->log.view);
281	gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(scrolled_window),
282	GTK_SHADOW_IN);
283
284	gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
285	scrolled_window, TRUE, TRUE, 0);
286	#else
287	gtk_container_add(GTK_CONTAINER(pannable_area), context->log.view);
288	gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
289	pannable_area, TRUE, TRUE, 0);
290	#endif
291
292	gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE);
293
294	gtk_widget_show_all(dialog);
295
296	appendf(&context->log, COLOR_SYSTEM, "Running GeoToad\n");
297	run(context);
298
299	gtk_dialog_run(GTK_DIALOG(dialog));
300
301	gtk_widget_destroy(dialog);
302	}
303
304	static void on_browse(GtkWidget *widget, gpointer data) {
305	gt_context_t context = (gt_context_t)data;
306
307	printf("Browse %p\n", context->dialog);
308
309	#ifdef USE_MAEMO
310	GtkWidget *dialog = hildon_file_chooser_dialog_new(GTK_WINDOW(context->dialog),
311	GTK_FILE_CHOOSER_ACTION_SAVE);
312	#else
313	GtkWidget *dialog = gtk_file_chooser_dialog_new(_("Save GPX file"),
314	GTK_WINDOW(context->dialog),
315	GTK_FILE_CHOOSER_ACTION_SAVE,
316	GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
317	GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
318	NULL);
319	#endif
320
321	printf("set filename <%s>\n", context->appdata->gt.filename);
322
323	if(!g_file_test(context->appdata->gt.filename, G_FILE_TEST_EXISTS)) {
324	char *last_sep = strrchr(context->appdata->gt.filename, '/');
325	if(last_sep) {
326	*last_sep = 0; // seperate path from file
327
328	/* the user just created a new document */
329	gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog),
330	context->appdata->gt.filename);
331	gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), last_sep+1);
332
333	/* restore full filename */
334	*last_sep = '/';
335	}
336	} else
337	gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog),
338	context->appdata->gt.filename);
339
340	if (gtk_dialog_run (GTK_DIALOG(dialog)) == GTK_FM_OK) {
341	gchar *name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
342	gtk_label_set_text(GTK_LABEL(context->filename), name);
343	}
344
345	gtk_widget_destroy (dialog);
346	}
347
348	static gboolean gui_setup(gt_context_t *context) {
349	appdata_t *appdata = context->appdata;
350	gboolean ok = FALSE;
351
352	/* if no filename has been setup yet, create one */
353	if(!appdata->gt.filename && appdata->path) {
354	printf("creating path\n");
355	appdata->gt.filename =
356	g_strdup_printf("%s/gtoad.gpx", appdata->path);
357	}
358
359	context->dialog = gtk_dialog_new_with_buttons(_("GeoToad - Setup"),
360	GTK_WINDOW(appdata->window),
361	GTK_DIALOG_MODAL \| GTK_DIALOG_DESTROY_WITH_PARENT,
362	GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
363	GTK_STOCK_OK, GTK_RESPONSE_OK,
364	NULL);
365
366	/* ------------------- Coordinates ------------------------- */
367	GtkWidget *hbox = gtk_hbox_new(FALSE, 0);
368
369	GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
370	gtk_box_pack_start_defaults(GTK_BOX(vbox), left_label_new(_("Position:")));
371	gtk_box_pack_start_defaults(GTK_BOX(vbox), left_label_new(_("Distance:")));
372	gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
373
374	/* setup default positions */
375	pos_t *refpos = get_pos(appdata);
376	if((isnan(appdata->gt.lat) \|\| isnan(appdata->gt.lat)) && refpos) {
377	appdata->gt.lat = refpos->lat;
378	appdata->gt.lon = refpos->lon;
379	}
380
381	vbox = gtk_vbox_new(FALSE, 0);
382	GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);
383	context->lat = lat_entry_new(appdata->gt.lat);
384	gtk_box_pack_start_defaults(GTK_BOX(ihbox), context->lat);
385	context->lon = lon_entry_new(appdata->gt.lon);
386	gtk_box_pack_start_defaults(GTK_BOX(ihbox), context->lon);
387	gtk_box_pack_start_defaults(GTK_BOX(vbox), ihbox);
388	context->dst = dist_entry_new(appdata->gt.distance, appdata->imperial);
389	gtk_box_pack_start_defaults(GTK_BOX(vbox), context->dst);
390	gtk_box_pack_start_defaults(GTK_BOX(hbox), vbox);
391
392	gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(context->dialog)->vbox), hbox);
393
394	/* ------------------- file name ------------------------- */
395	hbox = gtk_hbox_new(FALSE, 0);
396
397	context->filename = gtk_label_new(appdata->gt.filename);
398	gtk_misc_set_alignment(GTK_MISC(context->filename), 0.f, 0.5f);
399	gtk_label_set_ellipsize(GTK_LABEL(context->filename), PANGO_ELLIPSIZE_MIDDLE);
400	gtk_box_pack_start_defaults(GTK_BOX(hbox), context->filename);
401
402	GtkWidget *button = gtk_button_new_with_label(_("Browse"));
403	#if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR == 5)
404	hildon_gtk_widget_set_theme_size(button,
405	(HILDON_SIZE_FINGER_HEIGHT \| HILDON_SIZE_AUTO_WIDTH));
406	#endif
407	gtk_signal_connect(GTK_OBJECT(button), "clicked",
408	GTK_SIGNAL_FUNC(on_browse), context);
409	gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
410
411	gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(context->dialog)->vbox), hbox);
412
413
414	/* ------------------- Username/Password ------------------------- */
415	hbox = gtk_hbox_new(FALSE, 0);
416	vbox = gtk_vbox_new(FALSE, 0);
417	gtk_box_pack_start_defaults(GTK_BOX(vbox), left_label_new(_("Username:")));
418	gtk_box_pack_start_defaults(GTK_BOX(vbox), left_label_new(_("Password:")));
419	gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
420
421	vbox = gtk_vbox_new(FALSE, 0);
422	#if !defined(USE_MAEMO) \|\| (MAEMO_VERSION_MAJOR < 5)
423	context->username = gtk_entry_new();
424	context->password = gtk_entry_new();
425	#else
426	context->username = hildon_entry_new(HILDON_SIZE_AUTO);
427	hildon_gtk_entry_set_input_mode(GTK_ENTRY(context->username),
428	HILDON_GTK_INPUT_MODE_FULL);
429	context->password = hildon_entry_new(HILDON_SIZE_AUTO);
430	hildon_gtk_entry_set_input_mode(GTK_ENTRY(context->password),
431	HILDON_GTK_INPUT_MODE_FULL);
432	#endif
433	gtk_entry_set_visibility(GTK_ENTRY(context->password), FALSE);
434
435	/* set saved defaults */
436	if(appdata->gt.username)
437	gtk_entry_set_text(GTK_ENTRY(context->username),
438	appdata->gt.username);
439
440	if(appdata->gt.password)
441	gtk_entry_set_text(GTK_ENTRY(context->password),
442	appdata->gt.password);
443
444	gtk_box_pack_start_defaults(GTK_BOX(vbox), context->username);
445	gtk_box_pack_start_defaults(GTK_BOX(vbox), context->password);
446	gtk_box_pack_start_defaults(GTK_BOX(hbox), vbox);
447
448	gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(context->dialog)->vbox), hbox);
449
450	gtk_dialog_set_default_response(GTK_DIALOG(context->dialog), GTK_RESPONSE_OK);
451
452	gtk_widget_show_all(context->dialog);
453
454	if(gtk_dialog_run(GTK_DIALOG(context->dialog)) == GTK_RESPONSE_OK) {
455
456	/* save values */
457	if(appdata->gt.username) g_free(appdata->gt.username);
458	appdata->gt.username =
459	g_strdup(gtk_entry_get_text(GTK_ENTRY(context->username)));
460
461	if(appdata->gt.password) g_free(appdata->gt.password);
462	appdata->gt.password =
463	g_strdup(gtk_entry_get_text(GTK_ENTRY(context->password)));
464
465	if(appdata->gt.filename) g_free(appdata->gt.filename);
466	appdata->gt.filename =
467	g_strdup(gtk_label_get_text(GTK_LABEL(context->filename)));
468
469	ok = TRUE;
470	}
471
472	gtk_widget_destroy(context->dialog);
473
474	return ok;
475	}
476
477	void geotoad(appdata_t *appdata) {
478	if(!geotoad_available()) {
479	errorf(_("GeoToad is not installed on this device.\n"
480	"You need to install it in order to be able to use it."));
481	return;
482	}
483
484	gt_context_t *context = g_new0(gt_context_t, 1);
485	context->appdata = appdata;
486
487	printf("geoToad\n");
488
489	if(gui_setup(context))
490	gui_run(context);
491	}
492
493	gboolean geotoad_available(void) {
494	/* before doing anything make sure geotoad is installed */
495	return g_file_test(GEOTOAD, G_FILE_TEST_IS_EXECUTABLE);
496	}
497
498