0fc86d6e00f1307dd1fec0ceaa1695652bbdfdbe
[claws.git] / src / gtk / filesel.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Claws Mail team
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18  */
19
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif 
23
24 #include <glib.h>
25 #include <gdk/gdkkeysyms.h>
26 #include <gtk/gtkwidget.h>
27 #include <gtk/gtkfilesel.h>
28 #include <gtk/gtkentry.h>
29 #include <gtk/gtkmain.h>
30 #include <gtk/gtksignal.h>
31 #include <gtk/gtkeditable.h>
32 #include <gtk/gtkstock.h>
33 #include <gtk/gtkdialog.h>
34 #include <gtk/gtkfilechooser.h>
35 #include <gtk/gtkfilechooserdialog.h>
36
37 #include "sylpheed.h"
38 #include "filesel.h"
39 #include "manage_window.h"
40 #include "gtkutils.h"
41 #include "utils.h"
42 #include "codeconv.h"
43 #include "procmime.h"
44 #include "prefs_common.h"
45
46 static void
47 update_preview_cb (GtkFileChooser *file_chooser, gpointer data)
48 {
49         GtkWidget *preview;
50         char *filename = NULL, *type = NULL;
51         GdkPixbuf *pixbuf = NULL;
52         gboolean have_preview = FALSE;
53
54         preview = GTK_WIDGET (data);
55         filename = gtk_file_chooser_get_preview_filename (file_chooser);
56
57         if (filename == NULL) {
58                 gtk_file_chooser_set_preview_widget_active (file_chooser, FALSE);
59                 return;
60         }
61         type = procmime_get_mime_type(filename);
62         
63         if (type && !strncmp(type, "image/", 6)) 
64                 pixbuf = gdk_pixbuf_new_from_file_at_size (filename, 128, 128, NULL);
65         
66         g_free(type);
67         g_free (filename);
68
69         if (pixbuf) {
70                 have_preview = TRUE;
71                 gtk_image_set_from_pixbuf (GTK_IMAGE (preview), pixbuf);
72                 gdk_pixbuf_unref (pixbuf);
73         }
74
75         gtk_file_chooser_set_preview_widget_active (file_chooser, have_preview);
76 }
77         
78 static GList *filesel_create(const gchar *title, const gchar *path,
79                              gboolean multiple_files,
80                              gboolean open, gboolean folder_mode,
81                              const gchar *filter)
82 {
83         GSList *slist = NULL, *slist_orig = NULL;
84         GList *list = NULL;
85
86         gint action = (open == TRUE) ? 
87                         (folder_mode == TRUE ? GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER:
88                                                GTK_FILE_CHOOSER_ACTION_OPEN):
89                         (folder_mode == TRUE ? GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER:
90                                                GTK_FILE_CHOOSER_ACTION_SAVE);
91                         
92         gchar * action_btn = (open == TRUE) ? GTK_STOCK_OPEN:GTK_STOCK_SAVE;
93         GtkWidget *chooser = gtk_file_chooser_dialog_new (title, NULL, action, 
94                                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
95                                 action_btn, GTK_RESPONSE_ACCEPT, 
96                                 NULL);
97         if (filter != NULL) {
98                 GtkFileFilter *file_filter = gtk_file_filter_new();
99                 gtk_file_filter_add_pattern(file_filter, filter);
100                 gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(chooser),
101                                             file_filter);
102         }
103
104         if (action == GTK_FILE_CHOOSER_ACTION_OPEN) {
105                 GtkImage *preview;
106                 preview = GTK_IMAGE(gtk_image_new ());
107                 gtk_file_chooser_set_preview_widget (GTK_FILE_CHOOSER(chooser), GTK_WIDGET(preview));
108                 g_signal_connect (chooser, "update-preview",
109                             G_CALLBACK (update_preview_cb), preview);
110
111         }
112
113         if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {
114                 gtk_dialog_set_default_response(GTK_DIALOG(chooser), GTK_RESPONSE_ACCEPT);
115         }
116
117         manage_window_set_transient (GTK_WINDOW(chooser));
118         gtk_window_set_modal(GTK_WINDOW(chooser), TRUE);
119
120         gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER(chooser), multiple_files);
121
122         if (path && strlen(path) > 0) {
123                 char *filename = NULL;
124                 char *realpath = strdup(path);
125                 if (path[strlen(path)-1] == G_DIR_SEPARATOR) {
126                         filename = "";
127                 } else if ((filename = strrchr(path, G_DIR_SEPARATOR)) != NULL) {
128                         filename++;
129                         *(strrchr(realpath, G_DIR_SEPARATOR)+1) = '\0';
130                 } else {
131                         filename = (char *) path;
132                         free(realpath); 
133                         realpath = strdup(get_home_dir());
134                 }
135                 gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(chooser), realpath);
136                 if (action == GTK_FILE_CHOOSER_ACTION_SAVE)
137                         gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(chooser), filename);
138                 free(realpath);
139         } else {
140                 if (!prefs_common.attach_load_dir)
141                         prefs_common.attach_load_dir = g_strdup_printf("%s%c", get_home_dir(), G_DIR_SEPARATOR);
142
143                 gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(chooser), prefs_common.attach_load_dir);
144         }
145
146         if (gtk_dialog_run (GTK_DIALOG (chooser)) == GTK_RESPONSE_ACCEPT) 
147                 slist = gtk_file_chooser_get_filenames (GTK_FILE_CHOOSER (chooser));
148         
149         manage_window_focus_out(chooser, NULL, NULL);
150         gtk_widget_destroy (chooser);
151
152         slist_orig = slist;
153         
154         if (slist) {
155                 gchar *tmp = strdup(slist->data);
156
157                 if (!path && prefs_common.attach_load_dir)
158                         g_free(prefs_common.attach_load_dir);
159                 
160                 if (strrchr(tmp, G_DIR_SEPARATOR))
161                         *(strrchr(tmp, G_DIR_SEPARATOR)+1) = '\0';
162
163                 if (!path)
164                         prefs_common.attach_load_dir = g_strdup(tmp);
165
166                 g_free(tmp);
167         }
168
169         while (slist) {
170                 list = g_list_append(list, slist->data);
171                 slist = slist->next;
172         }
173         
174         if (slist_orig)
175                 g_slist_free(slist_orig);
176         
177         return list;
178 }
179
180 /**
181  * This function lets the user select multiple files.
182  * This opens an Open type dialog.
183  * @param title the title of the dialog
184  */
185 GList *filesel_select_multiple_files_open(const gchar *title)
186 {
187         return filesel_create(title, NULL, TRUE, TRUE, FALSE, NULL);
188 }
189
190 GList *filesel_select_multiple_files_open_with_filter(  const gchar *title,
191                                                         const gchar *path,
192                                                         const gchar *filter)
193 {
194         return filesel_create (title, path, TRUE, TRUE, FALSE, filter);
195 }
196
197 /**
198  * This function lets the user select one file.
199  * This opens an Open type dialog if "file" is NULL, 
200  * Save dialog if "file" contains a path.
201  * @param title the title of the dialog
202  * @param path the optional path to save to
203  */
204 static gchar *filesel_select_file(const gchar *title, const gchar *path,
205                                   gboolean open, gboolean folder_mode,
206                                   const gchar *filter)
207 {
208         GList * list = filesel_create(title, path, FALSE, open, folder_mode, filter);
209         gchar * result = NULL;
210         if (list) {
211                 result = strdup(list->data);
212         }
213         g_list_free(list);
214         return result;
215 }
216 gchar *filesel_select_file_open(const gchar *title, const gchar *path)
217 {
218         return filesel_select_file (title, path, TRUE, FALSE, NULL);
219 }
220
221 gchar *filesel_select_file_open_with_filter(const gchar *title, const gchar *path,
222                                             const gchar *filter)
223 {
224         return filesel_select_file (title, path, TRUE, FALSE, filter);
225 }
226
227 gchar *filesel_select_file_save(const gchar *title, const gchar *path)
228 {
229         return filesel_select_file (title, path, FALSE, FALSE, NULL);
230 }
231
232 gchar *filesel_select_file_open_folder(const gchar *title, const gchar *path)
233 {
234         return filesel_select_file (title, path, TRUE, TRUE, NULL);
235 }
236
237 gchar *filesel_select_file_save_folder(const gchar *title, const gchar *path)
238 {
239         return filesel_select_file (title, path, FALSE, TRUE, NULL);
240 }
241