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 #define VIK_SETTINGS_GOTO_PROVIDER "goto_provider"
45 int last_goto_tool = -1;
47 void vik_goto_register ( VikGotoTool *tool )
49 if ( IS_VIK_GOTO_TOOL( tool ) )
50 goto_tools_list = g_list_append ( goto_tools_list, g_object_ref ( tool ) );
53 void vik_goto_unregister_all ()
55 g_list_foreach ( goto_tools_list, (GFunc) g_object_unref, NULL );
58 gchar * a_vik_goto_get_search_string_for_this_place(VikWindow *vw)
63 VikViewport *vvp = vik_window_viewport(vw);
64 const VikCoord *cur_center = vik_viewport_get_center(vvp);
65 if (vik_coord_equals(cur_center, last_coord)) {
66 return(last_successful_goto_str);
72 static void display_no_tool(VikWindow *vw)
74 GtkWidget *dialog = NULL;
76 dialog = gtk_message_dialog_new ( GTK_WINDOW(vw), GTK_DIALOG_MODAL, GTK_MESSAGE_WARNING, GTK_BUTTONS_OK, _("No goto tool available.") );
78 gtk_dialog_run ( GTK_DIALOG(dialog) );
80 gtk_widget_destroy(dialog);
83 static gboolean prompt_try_again(VikWindow *vw)
85 GtkWidget *dialog = NULL;
88 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
89 gtk_window_set_title(GTK_WINDOW(dialog), _("goto"));
91 GtkWidget *goto_label = gtk_label_new(_("I don't know that place. Do you want another goto?"));
92 gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), goto_label, FALSE, FALSE, 5 );
93 gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
94 gtk_widget_show_all(dialog);
96 if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT )
99 gtk_widget_destroy(dialog);
103 static gint find_entry = -1;
104 static gint wanted_entry = -1;
106 static void find_provider (gpointer elem, gpointer user_data)
108 const gchar *name = vik_goto_tool_get_label (elem);
109 const gchar *provider = user_data;
111 if (!strcmp(name, provider)) {
112 wanted_entry = find_entry;
116 static gchar *a_prompt_for_goto_string(VikWindow *vw)
118 GtkWidget *dialog = NULL;
120 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
121 gtk_window_set_title(GTK_WINDOW(dialog), _("goto"));
123 GtkWidget *tool_label = gtk_label_new(_("goto provider:"));
124 GtkWidget *tool_list = vik_combo_box_text_new ();
125 GList *current = g_list_first (goto_tools_list);
126 while (current != NULL)
129 VikGotoTool *tool = current->data;
130 label = vik_goto_tool_get_label (tool);
131 vik_combo_box_text_append ( tool_list, label );
132 current = g_list_next (current);
135 // Use setting for the provider if available
136 if ( last_goto_tool < 0 ) {
139 gchar *provider = NULL;
140 if ( a_settings_get_string ( VIK_SETTINGS_GOTO_PROVIDER, &provider ) ) {
143 g_list_foreach (goto_tools_list, find_provider, provider);
144 // If not found set it to the first entry, otherwise use the entry
145 last_goto_tool = ( wanted_entry < 0 ) ? 0 : wanted_entry;
150 gtk_combo_box_set_active ( GTK_COMBO_BOX( tool_list ), last_goto_tool );
152 GtkWidget *goto_label = gtk_label_new(_("Enter address or place name:"));
153 GtkWidget *goto_entry = gtk_entry_new();
155 gtk_entry_set_text(GTK_ENTRY(goto_entry), last_goto_str);
157 // 'ok' when press return in the entry
158 g_signal_connect_swapped (goto_entry, "activate", G_CALLBACK(a_dialog_response_accept), dialog);
160 gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), tool_label, FALSE, FALSE, 5 );
161 gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), tool_list, FALSE, FALSE, 5 );
162 gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), goto_label, FALSE, FALSE, 5 );
163 gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), goto_entry, FALSE, FALSE, 5 );
164 gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
165 gtk_widget_show_all(dialog);
167 // Ensure the text field has focus so we can start typing straight away
168 gtk_widget_grab_focus ( goto_entry );
170 if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) {
171 gtk_widget_destroy(dialog);
175 last_goto_tool = gtk_combo_box_get_active ( GTK_COMBO_BOX(tool_list) );
176 gchar *provider = vik_goto_tool_get_label ( g_list_nth_data (goto_tools_list, last_goto_tool) );
177 a_settings_set_string ( VIK_SETTINGS_GOTO_PROVIDER, provider );
179 gchar *goto_str = g_strdup ( gtk_entry_get_text ( GTK_ENTRY(goto_entry) ) );
181 gtk_widget_destroy(dialog);
183 if (goto_str[0] != '\0') {
185 g_free(last_goto_str);
186 last_goto_str = g_strdup(goto_str);
189 return(goto_str); /* goto_str needs to be freed by caller */
192 void a_vik_goto(VikWindow *vw, VikViewport *vvp)
196 gboolean more = TRUE;
198 if (goto_tools_list == NULL)
206 s_str = a_prompt_for_goto_string(vw);
207 if ((!s_str) || (s_str[0] == 0)) {
211 else if (!vik_goto_tool_get_coord(g_list_nth_data (goto_tools_list, last_goto_tool), vw, vvp, s_str, &new_center)) {
214 last_coord = g_malloc(sizeof(VikCoord));
215 *last_coord = new_center;
216 if (last_successful_goto_str)
217 g_free(last_successful_goto_str);
218 last_successful_goto_str = g_strdup(last_goto_str);
219 vik_viewport_set_center_coord(vvp, &new_center);
222 else if (!prompt_try_again(vw))