2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
5 * Copyright (C) 2009, Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 #include <glib/gstdio.h>
30 #include <glib/gprintf.h>
31 #include <glib/gi18n.h>
35 #include "vikgototool.h"
38 static gchar *last_goto_str = NULL;
39 static VikCoord *last_coord = NULL;
40 static gchar *last_successful_goto_str = NULL;
42 static GList *goto_tools_list = NULL;
44 int last_goto_tool = 0;
46 void vik_goto_register ( VikGotoTool *tool )
48 if ( IS_VIK_GOTO_TOOL( tool ) )
49 goto_tools_list = g_list_append ( goto_tools_list, g_object_ref ( tool ) );
52 void vik_goto_unregister_all ()
54 g_list_foreach ( goto_tools_list, (GFunc) g_object_unref, NULL );
57 gchar * a_vik_goto_get_search_string_for_this_place(VikWindow *vw)
62 VikViewport *vvp = vik_window_viewport(vw);
63 const VikCoord *cur_center = vik_viewport_get_center(vvp);
64 if (vik_coord_equals(cur_center, last_coord)) {
65 return(last_successful_goto_str);
71 static void display_no_tool(VikWindow *vw)
73 GtkWidget *dialog = NULL;
75 dialog = gtk_message_dialog_new ( GTK_WINDOW(vw), GTK_DIALOG_MODAL, GTK_MESSAGE_WARNING, GTK_BUTTONS_OK, _("No goto tool available.") );
77 gtk_dialog_run ( GTK_DIALOG(dialog) );
79 gtk_widget_destroy(dialog);
82 static gboolean prompt_try_again(VikWindow *vw)
84 GtkWidget *dialog = NULL;
87 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
88 gtk_window_set_title(GTK_WINDOW(dialog), _("goto"));
90 GtkWidget *goto_label = gtk_label_new(_("I don't know that place. Do you want another goto?"));
91 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), goto_label, FALSE, FALSE, 5 );
92 gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
93 gtk_widget_show_all(dialog);
95 if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT )
98 gtk_widget_destroy(dialog);
102 static gchar * a_prompt_for_goto_string(VikWindow *vw)
104 GtkWidget *dialog = NULL;
106 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
107 gtk_window_set_title(GTK_WINDOW(dialog), _("goto"));
109 GtkWidget *tool_label = gtk_label_new(_("goto provider:"));
110 GtkWidget *tool_list = gtk_combo_box_new_text ();
112 GList *current = g_list_first (goto_tools_list);
113 while (current != NULL)
116 VikGotoTool *tool = current->data;
117 label = vik_goto_tool_get_label (tool);
118 gtk_combo_box_append_text ( GTK_COMBO_BOX( tool_list ), label);
119 current = g_list_next (current);
121 /* Set the previously selected provider as default */
122 gtk_combo_box_set_active ( GTK_COMBO_BOX( tool_list ), last_goto_tool);
124 GtkWidget *goto_label = gtk_label_new(_("Enter address or place name:"));
125 GtkWidget *goto_entry = gtk_entry_new();
127 gtk_entry_set_text(GTK_ENTRY(goto_entry), last_goto_str);
129 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), tool_label, FALSE, FALSE, 5 );
130 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), tool_list, FALSE, FALSE, 5 );
131 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), goto_label, FALSE, FALSE, 5 );
132 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), goto_entry, FALSE, FALSE, 5 );
133 gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
134 gtk_widget_show_all(dialog);
136 if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) {
137 gtk_widget_destroy(dialog);
141 last_goto_tool = gtk_combo_box_get_active ( GTK_COMBO_BOX (tool_list) );
143 gchar *goto_str = g_strdup ( gtk_entry_get_text ( GTK_ENTRY(goto_entry) ) );
145 gtk_widget_destroy(dialog);
147 if (goto_str[0] != '\0') {
149 g_free(last_goto_str);
150 last_goto_str = g_strdup(goto_str);
153 return(goto_str); /* goto_str needs to be freed by caller */
156 void a_vik_goto(VikWindow *vw, VikViewport *vvp)
160 gboolean more = TRUE;
162 if (goto_tools_list == NULL)
170 s_str = a_prompt_for_goto_string(vw);
171 if ((!s_str) || (s_str[0] == 0)) {
175 else if (!vik_goto_tool_get_coord(g_list_nth_data (goto_tools_list, last_goto_tool), vw, vvp, s_str, &new_center)) {
178 last_coord = g_malloc(sizeof(VikCoord));
179 *last_coord = new_center;
180 if (last_successful_goto_str)
181 g_free(last_successful_goto_str);
182 last_successful_goto_str = g_strdup(last_goto_str);
183 vik_viewport_set_center_coord(vvp, &new_center);
186 else if (!prompt_try_again(vw))