2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
6 * This program 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 2 of the License, or
9 * (at your option) any later version.
11 * This program 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.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * Created by Quy Tonthat <qtonthat@gmail.com>
29 #include <glib/gstdio.h>
30 #include <glib/gprintf.h>
31 #include <glib/gi18n.h>
35 #include "curl_download.h"
37 #include "vikgototool.h"
39 static gchar *last_goto_str = NULL;
40 static VikCoord *last_coord = NULL;
41 static gchar *last_successful_goto_str = NULL;
43 static GList *goto_tools_list = NULL;
45 int last_goto_tool = -1;
47 void vik_goto_register ( VikGotoTool *tool )
49 IS_VIK_GOTO_TOOL( tool );
51 goto_tools_list = g_list_append ( goto_tools_list, g_object_ref ( tool ) );
54 void vik_goto_unregister_all ()
56 g_list_foreach ( goto_tools_list, (GFunc) g_object_unref, NULL );
59 gchar * a_vik_goto_get_search_string_for_this_place(VikWindow *vw)
64 VikViewport *vvp = vik_window_viewport(vw);
65 const VikCoord *cur_center = vik_viewport_get_center(vvp);
66 if (vik_coord_equals(cur_center, last_coord)) {
67 return(last_successful_goto_str);
73 static void display_no_tool(VikWindow *vw)
75 GtkWidget *dialog = NULL;
77 dialog = gtk_message_dialog_new ( GTK_WINDOW(vw), GTK_DIALOG_MODAL, GTK_MESSAGE_WARNING, GTK_BUTTONS_OK, _("No goto tool available.") );
79 gtk_dialog_run ( GTK_DIALOG(dialog) );
81 gtk_widget_destroy(dialog);
84 static gboolean prompt_try_again(VikWindow *vw)
86 GtkWidget *dialog = NULL;
89 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
90 gtk_window_set_title(GTK_WINDOW(dialog), _("goto"));
92 GtkWidget *goto_label = gtk_label_new(_("I don't know that place. Do you want another goto?"));
93 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), goto_label, FALSE, FALSE, 5 );
94 gtk_widget_show_all(dialog);
96 if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT )
99 gtk_widget_destroy(dialog);
103 static gchar * a_prompt_for_goto_string(VikWindow *vw)
105 GtkWidget *dialog = NULL;
107 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
108 gtk_window_set_title(GTK_WINDOW(dialog), _("goto"));
110 GtkWidget *tool_label = gtk_label_new(_("goto provider:"));
111 GtkWidget *tool_list = gtk_combo_box_new_text ();
113 GList *current = g_list_first (goto_tools_list);
114 while (current != NULL)
117 VikGotoTool *tool = current->data;
118 label = vik_goto_tool_get_label (tool);
119 gtk_combo_box_append_text ( GTK_COMBO_BOX( tool_list ), label);
120 current = g_list_next (current);
122 /* Set the first provider as default */
123 gtk_combo_box_set_active ( GTK_COMBO_BOX( tool_list ), 0);
125 GtkWidget *goto_label = gtk_label_new(_("Enter address or place name:"));
126 GtkWidget *goto_entry = gtk_entry_new();
128 gtk_entry_set_text(GTK_ENTRY(goto_entry), last_goto_str);
130 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), tool_label, FALSE, FALSE, 5 );
131 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), tool_list, FALSE, FALSE, 5 );
132 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), goto_label, FALSE, FALSE, 5 );
133 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), goto_entry, FALSE, FALSE, 5 );
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, VikLayersPanel *vlp, 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);
184 vik_layers_panel_emit_update(vlp);
187 else if (!prompt_try_again(vw))