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 arg_free(gpointer data, gpointer user_data) {
  if(data) g_free(data);
}

static void arg_dsp(gpointer data, gpointer user_data) {
  gt_context_t *context = (gt_context_t*)user_data;
  
  if(data)
    appendf(&context->log, COLOR_SYSTEM, "%s\n", data);
}

static void run(gt_context_t *context) {
  char str[8];

  /* 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, g_strdup_printf(GEOTOAD));
  g_ascii_dtostr(str, sizeof(str), context->appdata->gt.distance);
  g_ptr_array_add (gt_argv, g_strdup_printf("--distanceMax=%s", str));
  g_ptr_array_add (gt_argv, g_strdup_printf("--output=%s", context->appdata->gt.filename));
  g_ptr_array_add (gt_argv, g_strdup_printf("--password=%s", context->appdata->gt.password));
  g_ptr_array_add (gt_argv, g_strdup_printf("--queryType=coord"));
  g_ptr_array_add (gt_argv, g_strdup_printf("--user=%s", context->appdata->username));

  /* 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);
    
    g_ptr_array_add (gt_argv, proxy);
  }

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

  /* show all entries */
  g_ptr_array_foreach(gt_argv, arg_dsp, context);

  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_foreach(gt_argv, arg_free, NULL);
    g_ptr_array_free(gt_argv, TRUE);
    appendf(&context->log, COLOR_ERR,
            _("GeoToad failed to start!\n%s\n"), error->message);
    g_error_free(error);
    return;
  }

  g_ptr_array_foreach(gt_argv, arg_free, NULL);
  g_ptr_array_free (gt_argv, TRUE);

  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);
  float dst = appdata->gt.distance;  // distance is given in kilometers
  if(appdata->imperial) dst /= 1.609344;
  context->dst = dist_entry_new(dst, 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->username)
    gtk_entry_set_text(GTK_ENTRY(context->username), 
                       appdata->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) {

    /* parse coordinates */
    /* ... */

    /* save values */
    if(appdata->username) g_free(appdata->username);
    appdata->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)));

    /* get distance in kilometers */
    appdata->gt.distance = dist_get(context->dst, FALSE);

    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 arg_free(gpointer data, gpointer user_data) {
161	if(data) g_free(data);
162	}
163
164	static void arg_dsp(gpointer data, gpointer user_data) {
165	gt_context_t context = (gt_context_t)user_data;
166
167	if(data)
168	appendf(&context->log, COLOR_SYSTEM, "%s\n", data);
169	}
170
171	static void run(gt_context_t *context) {
172	char str[8];
173
174	/* setup context */
175	context->bused = 0;
176	context->stdout_tag = -1;
177	context->stderr_tag = -1;
178	context->stdin_fd = -1;
179	context->stderr_fd = -1;
180	context->stderr_fd = -1;
181
182	/* build list of arguments to call geotoad */
183	GPtrArray *gt_argv = g_ptr_array_new();
184	g_ptr_array_add (gt_argv, g_strdup_printf(GEOTOAD));
185	g_ascii_dtostr(str, sizeof(str), context->appdata->gt.distance);
186	g_ptr_array_add (gt_argv, g_strdup_printf("--distanceMax=%s", str));
187	g_ptr_array_add (gt_argv, g_strdup_printf("--output=%s", context->appdata->gt.filename));
188	g_ptr_array_add (gt_argv, g_strdup_printf("--password=%s", context->appdata->gt.password));
189	g_ptr_array_add (gt_argv, g_strdup_printf("--queryType=coord"));
190	g_ptr_array_add (gt_argv, g_strdup_printf("--user=%s", context->appdata->username));
191
192	/* check if we need to add proxy config */
193	char *proxy = NULL;
194	if(context->appdata->proxy && context->appdata->proxy->host) {
195	if(context->appdata->proxy->use_authentication &&
196	context->appdata->proxy->authentication_user &&
197	context->appdata->proxy->authentication_password)
198	proxy = g_strdup_printf("--proxy=http://%s:%s@%s:%d",
199	context->appdata->proxy->authentication_user,
200	context->appdata->proxy->authentication_password,
201	context->appdata->proxy->host,
202	context->appdata->proxy->port);
203	else
204	proxy = g_strdup_printf("--proxy=http://%s:%d",
205	context->appdata->proxy->host,
206	context->appdata->proxy->port);
207
208	g_ptr_array_add (gt_argv, proxy);
209	}
210
211	g_ptr_array_add (gt_argv, g_strdup_printf("N49 00.000 E008 23.000"));
212	g_ptr_array_add (gt_argv, NULL);
213
214	/* show all entries */
215	g_ptr_array_foreach(gt_argv, arg_dsp, context);
216
217	GError *error=NULL;
218	GPid pid;
219	GSource *gt_watch;
220
221	if (!g_spawn_async_with_pipes (NULL, /* CWD */
222	(char *) gt_argv->pdata, / argv */
223	NULL, /* envp */
224	G_SPAWN_DO_NOT_REAP_CHILD, /* flags */
225	NULL, /* child setup */
226	NULL, /* user data */
227	&pid,
228	&context->stdin_fd,
229	&context->stdout_fd,
230	&context->stderr_fd,
231	&error)) {
232	g_ptr_array_foreach(gt_argv, arg_free, NULL);
233	g_ptr_array_free(gt_argv, TRUE);
234	appendf(&context->log, COLOR_ERR,
235	_("GeoToad failed to start!\n%s\n"), error->message);
236	g_error_free(error);
237	return;
238	}
239
240	g_ptr_array_foreach(gt_argv, arg_free, NULL);
241	g_ptr_array_free (gt_argv, TRUE);
242
243	gt_watch = g_child_watch_source_new(pid);
244	g_source_set_callback(gt_watch, (GSourceFunc) child_state_cb, context, NULL);
245
246	g_source_attach(gt_watch, NULL);
247	g_source_unref(gt_watch);
248
249	/* make nonblocking */
250	if(fcntl(context->stdout_fd, F_SETFL, O_NONBLOCK) == -1)
251	perror("fcntl failed");
252
253	if(fcntl(context->stderr_fd, F_SETFL, O_NONBLOCK) == -1)
254	perror("fcntl failed");
255
256	GIOChannel *ioc = g_io_channel_unix_new(context->stdout_fd);
257	g_io_channel_set_close_on_unref (ioc, TRUE);
258	g_io_channel_set_encoding (ioc, NULL, NULL);
259	g_io_add_watch(ioc, G_IO_IN, child_input_cb, context);
260	g_io_channel_unref(ioc);
261
262	// ioc = g_io_channel_unix_new(context->stderr_fd);
263	// g_io_add_watch(ioc, G_IO_IN, child_input_cb, context);
264	// g_io_channel_unref(ioc);
265	}
266
267	/* show text window and display output of running geotoad */
268	static void gui_run(gt_context_t *context) {
269	GtkWidget *dialog = gtk_dialog_new_with_buttons(_("GeoToad - Run"),
270	GTK_WINDOW(context->appdata->window),
271	GTK_DIALOG_MODAL \| GTK_DIALOG_DESTROY_WITH_PARENT,
272	GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
273	NULL);
274
275	gtk_window_set_default_size(GTK_WINDOW(dialog), 640, 480);
276
277	#ifndef USE_PANNABLE_AREA
278	GtkWidget *scrolled_window = gtk_scrolled_window_new(NULL, NULL);
279	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
280	GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
281	#else
282	GtkWidget *pannable_area = hildon_pannable_area_new();
283	#endif
284
285	context->log.buffer = gtk_text_buffer_new(NULL);
286
287	#ifndef USE_HILDON_TEXT_VIEW
288	context->log.view = gtk_text_view_new_with_buffer(context->log.buffer);
289	#else
290	context->log.view = hildon_text_view_new();
291	hildon_text_view_set_buffer(HILDON_TEXT_VIEW(context->log.view),
292	context->log.buffer);
293	#endif
294
295	#ifndef USE_PANNABLE_AREA
296	gtk_container_add(GTK_CONTAINER(scrolled_window), context->log.view);
297	gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(scrolled_window),
298	GTK_SHADOW_IN);
299
300	gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
301	scrolled_window, TRUE, TRUE, 0);
302	#else
303	gtk_container_add(GTK_CONTAINER(pannable_area), context->log.view);
304	gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
305	pannable_area, TRUE, TRUE, 0);
306	#endif
307
308	gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE);
309
310	gtk_widget_show_all(dialog);
311
312	appendf(&context->log, COLOR_SYSTEM, "Running GeoToad\n");
313	run(context);
314
315	gtk_dialog_run(GTK_DIALOG(dialog));
316
317	gtk_widget_destroy(dialog);
318	}
319
320	static void on_browse(GtkWidget *widget, gpointer data) {
321	gt_context_t context = (gt_context_t)data;
322
323	printf("Browse %p\n", context->dialog);
324
325	#ifdef USE_MAEMO
326	GtkWidget *dialog = hildon_file_chooser_dialog_new(GTK_WINDOW(context->dialog),
327	GTK_FILE_CHOOSER_ACTION_SAVE);
328	#else
329	GtkWidget *dialog = gtk_file_chooser_dialog_new(_("Save GPX file"),
330	GTK_WINDOW(context->dialog),
331	GTK_FILE_CHOOSER_ACTION_SAVE,
332	GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
333	GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
334	NULL);
335	#endif
336
337	printf("set filename <%s>\n", context->appdata->gt.filename);
338
339	if(!g_file_test(context->appdata->gt.filename, G_FILE_TEST_EXISTS)) {
340	char *last_sep = strrchr(context->appdata->gt.filename, '/');
341	if(last_sep) {
342	*last_sep = 0; // seperate path from file
343
344	/* the user just created a new document */
345	gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog),
346	context->appdata->gt.filename);
347	gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), last_sep+1);
348
349	/* restore full filename */
350	*last_sep = '/';
351	}
352	} else
353	gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog),
354	context->appdata->gt.filename);
355
356	if (gtk_dialog_run (GTK_DIALOG(dialog)) == GTK_FM_OK) {
357	gchar *name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
358	gtk_label_set_text(GTK_LABEL(context->filename), name);
359	}
360
361	gtk_widget_destroy (dialog);
362	}
363
364	static gboolean gui_setup(gt_context_t *context) {
365	appdata_t *appdata = context->appdata;
366	gboolean ok = FALSE;
367
368	/* if no filename has been setup yet, create one */
369	if(!appdata->gt.filename && appdata->path) {
370	printf("creating path\n");
371	appdata->gt.filename =
372	g_strdup_printf("%s/gtoad.gpx", appdata->path);
373	}
374
375	context->dialog = gtk_dialog_new_with_buttons(_("GeoToad - Setup"),
376	GTK_WINDOW(appdata->window),
377	GTK_DIALOG_MODAL \| GTK_DIALOG_DESTROY_WITH_PARENT,
378	GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
379	GTK_STOCK_OK, GTK_RESPONSE_OK,
380	NULL);
381
382	/* ------------------- Coordinates ------------------------- */
383	GtkWidget *hbox = gtk_hbox_new(FALSE, 0);
384
385	GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
386	gtk_box_pack_start_defaults(GTK_BOX(vbox), left_label_new(_("Position:")));
387	gtk_box_pack_start_defaults(GTK_BOX(vbox), left_label_new(_("Distance:")));
388	gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
389
390	/* setup default positions */
391	pos_t *refpos = get_pos(appdata);
392	if((isnan(appdata->gt.lat) \|\| isnan(appdata->gt.lat)) && refpos) {
393	appdata->gt.lat = refpos->lat;
394	appdata->gt.lon = refpos->lon;
395	}
396
397	vbox = gtk_vbox_new(FALSE, 0);
398	GtkWidget *ihbox = gtk_hbox_new(FALSE, 0);
399	context->lat = lat_entry_new(appdata->gt.lat);
400	gtk_box_pack_start_defaults(GTK_BOX(ihbox), context->lat);
401	context->lon = lon_entry_new(appdata->gt.lon);
402	gtk_box_pack_start_defaults(GTK_BOX(ihbox), context->lon);
403	gtk_box_pack_start_defaults(GTK_BOX(vbox), ihbox);
404	float dst = appdata->gt.distance; // distance is given in kilometers
405	if(appdata->imperial) dst /= 1.609344;
406	context->dst = dist_entry_new(dst, appdata->imperial);
407	gtk_box_pack_start_defaults(GTK_BOX(vbox), context->dst);
408	gtk_box_pack_start_defaults(GTK_BOX(hbox), vbox);
409
410	gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(context->dialog)->vbox), hbox);
411
412	/* ------------------- file name ------------------------- */
413	hbox = gtk_hbox_new(FALSE, 0);
414
415	context->filename = gtk_label_new(appdata->gt.filename);
416	gtk_misc_set_alignment(GTK_MISC(context->filename), 0.f, 0.5f);
417	gtk_label_set_ellipsize(GTK_LABEL(context->filename), PANGO_ELLIPSIZE_MIDDLE);
418	gtk_box_pack_start_defaults(GTK_BOX(hbox), context->filename);
419
420	GtkWidget *button = gtk_button_new_with_label(_("Browse"));
421	#if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR == 5)
422	hildon_gtk_widget_set_theme_size(button,
423	(HILDON_SIZE_FINGER_HEIGHT \| HILDON_SIZE_AUTO_WIDTH));
424	#endif
425	gtk_signal_connect(GTK_OBJECT(button), "clicked",
426	GTK_SIGNAL_FUNC(on_browse), context);
427	gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
428
429	gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(context->dialog)->vbox), hbox);
430
431
432	/* ------------------- Username/Password ------------------------- */
433	hbox = gtk_hbox_new(FALSE, 0);
434	vbox = gtk_vbox_new(FALSE, 0);
435	gtk_box_pack_start_defaults(GTK_BOX(vbox), left_label_new(_("Username:")));
436	gtk_box_pack_start_defaults(GTK_BOX(vbox), left_label_new(_("Password:")));
437	gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
438
439	vbox = gtk_vbox_new(FALSE, 0);
440	#if !defined(USE_MAEMO) \|\| (MAEMO_VERSION_MAJOR < 5)
441	context->username = gtk_entry_new();
442	context->password = gtk_entry_new();
443	#else
444	context->username = hildon_entry_new(HILDON_SIZE_AUTO);
445	hildon_gtk_entry_set_input_mode(GTK_ENTRY(context->username),
446	HILDON_GTK_INPUT_MODE_FULL);
447	context->password = hildon_entry_new(HILDON_SIZE_AUTO);
448	hildon_gtk_entry_set_input_mode(GTK_ENTRY(context->password),
449	HILDON_GTK_INPUT_MODE_FULL);
450	#endif
451	gtk_entry_set_visibility(GTK_ENTRY(context->password), FALSE);
452
453	/* set saved defaults */
454	if(appdata->username)
455	gtk_entry_set_text(GTK_ENTRY(context->username),
456	appdata->username);
457
458	if(appdata->gt.password)
459	gtk_entry_set_text(GTK_ENTRY(context->password),
460	appdata->gt.password);
461
462	gtk_box_pack_start_defaults(GTK_BOX(vbox), context->username);
463	gtk_box_pack_start_defaults(GTK_BOX(vbox), context->password);
464	gtk_box_pack_start_defaults(GTK_BOX(hbox), vbox);
465
466	gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(context->dialog)->vbox), hbox);
467
468	gtk_dialog_set_default_response(GTK_DIALOG(context->dialog), GTK_RESPONSE_OK);
469
470	gtk_widget_show_all(context->dialog);
471
472	if(gtk_dialog_run(GTK_DIALOG(context->dialog)) == GTK_RESPONSE_OK) {
473
474	/* parse coordinates */
475	/* ... */
476
477	/* save values */
478	if(appdata->username) g_free(appdata->username);
479	appdata->username =
480	g_strdup(gtk_entry_get_text(GTK_ENTRY(context->username)));
481
482	if(appdata->gt.password) g_free(appdata->gt.password);
483	appdata->gt.password =
484	g_strdup(gtk_entry_get_text(GTK_ENTRY(context->password)));
485
486	if(appdata->gt.filename) g_free(appdata->gt.filename);
487	appdata->gt.filename =
488	g_strdup(gtk_label_get_text(GTK_LABEL(context->filename)));
489
490	/* get distance in kilometers */
491	appdata->gt.distance = dist_get(context->dst, FALSE);
492
493	ok = TRUE;
494	}
495
496	gtk_widget_destroy(context->dialog);
497
498	return ok;
499	}
500
501	void geotoad(appdata_t *appdata) {
502	if(!geotoad_available()) {
503	errorf(_("GeoToad is not installed on this device.\n"
504	"You need to install it in order to be able to use it."));
505	return;
506	}
507
508	gt_context_t *context = g_new0(gt_context_t, 1);
509	context->appdata = appdata;
510
511	printf("geoToad\n");
512
513	if(gui_setup(context))
514	gui_run(context);
515	}
516
517	gboolean geotoad_available(void) {
518	/* before doing anything make sure geotoad is installed */
519	return g_file_test(GEOTOAD, G_FILE_TEST_IS_EXECUTABLE);
520	}
521
522