/*
* Viking - GPS data editor
- * Copyright (C) 2007 Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
+ * Copyright (C) 2007, Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
* Based on:
- * Copyright (C) 2003-2007 Leandro A. F. Pereira <leandro@linuxmag.com.br>
+ * Copyright (C) 2003-2007, Leandro A. F. Pereira <leandro@linuxmag.com.br>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include <glib/gstdio.h>
+#include <glib/gi18n.h>
+#include <glib/gprintf.h>
+
+#include "util.h"
#include "dialog.h"
+#include "globals.h"
+#include "download.h"
-void open_url(GtkWindow *parent, const gchar * url)
-{
+/*
#ifdef WINDOWS
- ShellExecute(NULL, NULL, (char *) webpage, NULL, ".\\", 0);
-#else /* WINDOWS */
- const gchar *browsers[] = {
- "xdg-open", "gnome-open", "kfmclient openURL",
- "sensible-browser", "firefox", "epiphany",
- "iceweasel", "seamonkey", "galeon", "mozilla",
- "opera", "konqueror", "netscape", "links -g",
- NULL
- };
- gint i=0;
+#include <windows.h>
+#endif
+
+#ifndef WINDOWS
+static gboolean spawn_command_line_async(const gchar * cmd,
+ const gchar * arg)
+{
gchar *cmdline = NULL;
-
- gchar *browser = g_getenv("BROWSER");
- if (browser == NULL || browser[0] == '\0') {
- /* $BROWSER not set -> use first entry */
- browser = browsers[i++];
- }
- do {
- cmdline = g_strdup_printf("%s '%s'", browser, url);
- g_debug("Running: %s", cmdline);
+ gboolean status;
+
+ cmdline = g_strdup_printf("%s '%s'", cmd, arg);
+ g_debug("Running: %s", cmdline);
- if (g_spawn_command_line_async(cmdline, NULL)) {
- g_free(cmdline);
- return;
+ status = g_spawn_command_line_async(cmdline, NULL);
+
+ g_free(cmdline);
+
+ return status;
+}
+#endif
+*/
+
+void open_url(GtkWindow *parent, const gchar * url)
+{
+ GError *error = NULL;
+ gtk_show_uri ( gtk_widget_get_screen (GTK_WIDGET(parent)), url, GDK_CURRENT_TIME, &error );
+ if ( error ) {
+ a_dialog_error_msg_extra ( parent, _("Could not launch web browser. %s"), error->message );
+ g_error_free ( error );
+ }
+}
+
+void new_email(GtkWindow *parent, const gchar * address)
+{
+ gchar *uri = g_strdup_printf("mailto:%s", address);
+ GError *error = NULL;
+ gtk_show_uri ( gtk_widget_get_screen (GTK_WIDGET(parent)), uri, GDK_CURRENT_TIME, &error );
+ if ( error ) {
+ a_dialog_error_msg_extra ( parent, _("Could not create new email. %s"), error->message );
+ g_error_free ( error );
+ }
+ /*
+#ifdef WINDOWS
+ ShellExecute(NULL, NULL, (char *) uri, NULL, ".\\", 0);
+#else
+ if (!spawn_command_line_async("xdg-email", uri))
+ a_dialog_error_msg ( parent, _("Could not create new email.") );
+#endif
+ */
+ g_free(uri);
+ uri = NULL;
+}
+gchar *uri_escape(gchar *str)
+{
+ gchar *esc_str = g_malloc(3*strlen(str));
+ gchar *dst = esc_str;
+ gchar *src;
+
+ for (src = str; *src; src++) {
+ if (*src == ' ')
+ *dst++ = '+';
+ else if (g_ascii_isalnum(*src))
+ *dst++ = *src;
+ else {
+ g_sprintf(dst, "%%%02hhX", *src);
+ dst += 3;
}
+ }
+ *dst = '\0';
+
+ return(esc_str);
+}
+
+
+GList * str_array_to_glist(gchar* data[])
+{
+ GList *gl = NULL;
+ gpointer * p;
+ for (p = (gpointer)data; *p; p++)
+ gl = g_list_prepend(gl, *p);
+ return g_list_reverse(gl);
+}
+
+/**
+ * split_string_from_file_on_equals:
+ *
+ * @buf: the input string
+ * @key: newly allocated string that is before the '='
+ * @val: newly allocated string after the '='
+ *
+ * Designed for file line processing, so it ignores strings beginning with special
+ * characters, such as '#'; returns false in such situations.
+ * Also returns false if no equals character is found
+ *
+ * e.g. if buf = "GPS.parameter=42"
+ * key = "GPS.parameter"
+ * val = "42"
+ */
+gboolean split_string_from_file_on_equals ( const gchar *buf, gchar **key, gchar **val )
+{
+ // comments, special characters in viking file format
+ if ( buf == NULL || buf[0] == '\0' || buf[0] == '~' || buf[0] == '=' || buf[0] == '#' )
+ return FALSE;
+
+ if ( ! strchr ( buf, '=' ) )
+ return FALSE;
+
+ gchar **strv = g_strsplit ( buf, "=", 2 );
+
+ gint gi = 0;
+ gchar *str = strv[gi];
+ while ( str ) {
+ if ( gi == 0 )
+ *key = g_strdup ( str );
+ else
+ *val = g_strdup ( str );
+ gi++;
+ str = strv[gi];
+ }
- g_free(cmdline);
- browser = browsers[i++];
- } while(browser);
-
- a_dialog_error_msg ( parent, "Could not launch web browser." );
-#endif /* WINDOWS */
+ g_strfreev ( strv );
+
+ // Remove newline from val and also any other whitespace
+ *key = g_strstrip ( *key );
+ *val = g_strstrip ( *val );
+
+ return TRUE;
+}
+
+/* 1 << (x) is like a 2**(x) */
+#define GZ(x) (1<<(x))
+
+static const gdouble scale_mpps[] = { 0.125, 0.25, 0.5, GZ(0), GZ(1), GZ(2), GZ(3), GZ(4), GZ(5), GZ(6), GZ(7), GZ(8), GZ(9),
+ GZ(10), GZ(11), GZ(12), GZ(13), GZ(14), GZ(15), GZ(16), GZ(17) };
+
+static const gint num_scales = (sizeof(scale_mpps) / sizeof(scale_mpps[0]));
+
+#define ERROR_MARGIN 0.01
+/**
+ * mpp_to_zoom:
+ *
+ * Returns: a zoom level. see : http://wiki.openstreetmap.org/wiki/Zoom_levels
+ */
+guint8 mpp_to_zoom ( gdouble mpp )
+{
+ gint i;
+ for ( i = 0; i < num_scales; i++ ) {
+ if ( ABS(scale_mpps[i] - mpp) < ERROR_MARGIN ) {
+ g_debug ( "mpp_to_zoom: %f -> %d", mpp, i );
+ return 20-i;
+ }
+ }
+ return 17; // a safe zoomed in default
+}
+
+typedef struct {
+ GtkWindow *window; // Layer needed for redrawing
+ gchar *version; // Image list
+} new_version_thread_data;
+
+static gboolean new_version_available_message ( new_version_thread_data *nvtd )
+{
+ // Only a simple goto website option is offered
+ // Trying to do an installation update is platform specific
+ if ( a_dialog_yes_or_no ( nvtd->window,
+ _("There is a newer version of Viking available: %s\n\nDo you wish to go to Viking's website now?"), nvtd->version ) )
+ // NB 'VIKING_URL' redirects to the Wiki, here we want to go the main site.
+ open_url ( nvtd->window, "http://sourceforge.net/projects/viking/" );
+ //else
+ // increase amount of time between performing version checks
+ g_free ( nvtd->version );
+ g_free ( nvtd );
+ return FALSE;
+}
+
+static void latest_version_thread ( GtkWindow *window )
+{
+ // Need to allow a few of redirects, as SF file is often served from different server
+ DownloadMapOptions options = { FALSE, FALSE, NULL, 5, NULL, NULL };
+ gchar *filename = a_download_uri_to_tmp_file ( "http://sourceforge.net/projects/viking/files/VERSION", &options );
+ //gchar *filename = g_strdup ( "VERSION" );
+ if ( !filename ) {
+ return;
+ }
+
+ GMappedFile *mf = g_mapped_file_new ( filename, FALSE, NULL );
+ if ( !mf )
+ return;
+
+ gchar *text = g_mapped_file_get_contents ( mf );
+
+ gint latest_version = viking_version_to_number ( text );
+ gint my_version = viking_version_to_number ( VIKING_VERSION );
+
+ g_debug ( "The lastest version is: %s", text );
+
+ if ( my_version < latest_version ) {
+ new_version_thread_data *nvtd = g_malloc ( sizeof(new_version_thread_data) );
+ nvtd->window = window;
+ nvtd->version = g_strdup ( text );
+ gdk_threads_add_idle ( (GSourceFunc) new_version_available_message, nvtd );
+ }
+ else
+ g_debug ( "Running the lastest version: %s", VIKING_VERSION );
+
+ g_mapped_file_unref ( mf );
+ if ( filename ) {
+ g_remove ( filename );
+ g_free ( filename );
+ }
+}
+
+/*
+ * check_latest_version:
+ * @window: Somewhere where we may need use the display to inform the user about the version status
+ *
+ * Periodically checks the released latest VERSION file on the website to compare with the running version
+ *
+ * ATM the plan is for a 1.4.2 release to be always on *just* for Windows platforms
+ * Then in 1.5.X it will made entirely optional (default on for Windows)
+ * with a longer periodic check (enabled via state saving using the soon to be released 'settings' code)
+ *
+ */
+void check_latest_version ( GtkWindow *window )
+{
+#ifdef WINDOWS
+#if GLIB_CHECK_VERSION (2, 32, 0)
+ g_thread_try_new ( "latest_version_thread", (GThreadFunc)latest_version_thread, window, NULL );
+#else
+ g_thread_create ( (GThreadFunc)latest_version_thread, window, FALSE, NULL );
+#endif
+#endif
}
projects / andy / viking.git / blobdiff