]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net> | |
5 | * Copyright (C) 2009, Guilhem Bonnefille <guilhem.bonnefille@gmail.com> | |
6 | * | |
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. | |
11 | * | |
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. | |
16 | * | |
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 | |
20 | * | |
21 | */ | |
22 | #ifdef HAVE_CONFIG_H | |
23 | #include "config.h" | |
24 | #endif | |
25 | #include <stdlib.h> | |
26 | #include <stdio.h> | |
27 | #include <string.h> | |
28 | #include <glib.h> | |
29 | #include <glib/gstdio.h> | |
30 | #include <glib/gprintf.h> | |
31 | #include <glib/gi18n.h> | |
32 | ||
33 | #include "viking.h" | |
34 | #include "util.h" | |
35 | #include "vikgototool.h" | |
36 | #include "vikgoto.h" | |
37 | ||
38 | static gchar *last_goto_str = NULL; | |
39 | static VikCoord *last_coord = NULL; | |
40 | static gchar *last_successful_goto_str = NULL; | |
41 | ||
42 | static GList *goto_tools_list = NULL; | |
43 | ||
44 | int last_goto_tool = 0; | |
45 | ||
46 | void vik_goto_register ( VikGotoTool *tool ) | |
47 | { | |
48 | if ( IS_VIK_GOTO_TOOL( tool ) ) | |
49 | goto_tools_list = g_list_append ( goto_tools_list, g_object_ref ( tool ) ); | |
50 | } | |
51 | ||
52 | void vik_goto_unregister_all () | |
53 | { | |
54 | g_list_foreach ( goto_tools_list, (GFunc) g_object_unref, NULL ); | |
55 | } | |
56 | ||
57 | gchar * a_vik_goto_get_search_string_for_this_place(VikWindow *vw) | |
58 | { | |
59 | if (!last_coord) | |
60 | return NULL; | |
61 | ||
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); | |
66 | } | |
67 | else | |
68 | return NULL; | |
69 | } | |
70 | ||
71 | static void display_no_tool(VikWindow *vw) | |
72 | { | |
73 | GtkWidget *dialog = NULL; | |
74 | ||
75 | dialog = gtk_message_dialog_new ( GTK_WINDOW(vw), GTK_DIALOG_MODAL, GTK_MESSAGE_WARNING, GTK_BUTTONS_OK, _("No goto tool available.") ); | |
76 | ||
77 | gtk_dialog_run ( GTK_DIALOG(dialog) ); | |
78 | ||
79 | gtk_widget_destroy(dialog); | |
80 | } | |
81 | ||
82 | static gboolean prompt_try_again(VikWindow *vw) | |
83 | { | |
84 | GtkWidget *dialog = NULL; | |
85 | gboolean ret = TRUE; | |
86 | ||
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")); | |
89 | ||
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_get_content_area(GTK_DIALOG(dialog))), goto_label, FALSE, FALSE, 5 ); | |
92 | gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT ); | |
93 | gtk_widget_show_all(dialog); | |
94 | ||
95 | if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) | |
96 | ret = FALSE; | |
97 | ||
98 | gtk_widget_destroy(dialog); | |
99 | return ret; | |
100 | } | |
101 | ||
102 | static gchar * a_prompt_for_goto_string(VikWindow *vw) | |
103 | { | |
104 | GtkWidget *dialog = NULL; | |
105 | ||
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")); | |
108 | ||
109 | GtkWidget *tool_label = gtk_label_new(_("goto provider:")); | |
110 | GtkWidget *tool_list = vik_combo_box_text_new (); | |
111 | GList *current = g_list_first (goto_tools_list); | |
112 | while (current != NULL) | |
113 | { | |
114 | char *label = NULL; | |
115 | VikGotoTool *tool = current->data; | |
116 | label = vik_goto_tool_get_label (tool); | |
117 | vik_combo_box_text_append ( tool_list, label ); | |
118 | current = g_list_next (current); | |
119 | } | |
120 | /* Set the previously selected provider as default */ | |
121 | gtk_combo_box_set_active ( GTK_COMBO_BOX( tool_list ), last_goto_tool); | |
122 | ||
123 | GtkWidget *goto_label = gtk_label_new(_("Enter address or place name:")); | |
124 | GtkWidget *goto_entry = gtk_entry_new(); | |
125 | if (last_goto_str) | |
126 | gtk_entry_set_text(GTK_ENTRY(goto_entry), last_goto_str); | |
127 | ||
128 | // 'ok' when press return in the entry | |
129 | g_signal_connect_swapped (goto_entry, "activate", G_CALLBACK(a_dialog_response_accept), dialog); | |
130 | ||
131 | gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), tool_label, FALSE, FALSE, 5 ); | |
132 | gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), tool_list, FALSE, FALSE, 5 ); | |
133 | gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), goto_label, FALSE, FALSE, 5 ); | |
134 | gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), goto_entry, FALSE, FALSE, 5 ); | |
135 | gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT ); | |
136 | gtk_widget_show_all(dialog); | |
137 | ||
138 | // Ensure the text field has focus so we can start typing straight away | |
139 | gtk_widget_grab_focus ( goto_entry ); | |
140 | ||
141 | if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) { | |
142 | gtk_widget_destroy(dialog); | |
143 | return NULL; | |
144 | } | |
145 | ||
146 | last_goto_tool = gtk_combo_box_get_active ( GTK_COMBO_BOX (tool_list) ); | |
147 | ||
148 | gchar *goto_str = g_strdup ( gtk_entry_get_text ( GTK_ENTRY(goto_entry) ) ); | |
149 | ||
150 | gtk_widget_destroy(dialog); | |
151 | ||
152 | if (goto_str[0] != '\0') { | |
153 | if (last_goto_str) | |
154 | g_free(last_goto_str); | |
155 | last_goto_str = g_strdup(goto_str); | |
156 | } | |
157 | ||
158 | return(goto_str); /* goto_str needs to be freed by caller */ | |
159 | } | |
160 | ||
161 | void a_vik_goto(VikWindow *vw, VikViewport *vvp) | |
162 | { | |
163 | VikCoord new_center; | |
164 | gchar *s_str; | |
165 | gboolean more = TRUE; | |
166 | ||
167 | if (goto_tools_list == NULL) | |
168 | { | |
169 | /* Empty list */ | |
170 | display_no_tool(vw); | |
171 | return; | |
172 | } | |
173 | ||
174 | do { | |
175 | s_str = a_prompt_for_goto_string(vw); | |
176 | if ((!s_str) || (s_str[0] == 0)) { | |
177 | more = FALSE; | |
178 | } | |
179 | ||
180 | else if (!vik_goto_tool_get_coord(g_list_nth_data (goto_tools_list, last_goto_tool), vw, vvp, s_str, &new_center)) { | |
181 | if (last_coord) | |
182 | g_free(last_coord); | |
183 | last_coord = g_malloc(sizeof(VikCoord)); | |
184 | *last_coord = new_center; | |
185 | if (last_successful_goto_str) | |
186 | g_free(last_successful_goto_str); | |
187 | last_successful_goto_str = g_strdup(last_goto_str); | |
188 | vik_viewport_set_center_coord(vvp, &new_center); | |
189 | more = FALSE; | |
190 | } | |
191 | else if (!prompt_try_again(vw)) | |
192 | more = FALSE; | |
193 | g_free(s_str); | |
194 | } while (more); | |
195 | } |