src/gtk/filesel.c

   1 /*
   2  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2019 the Claws Mail team and Hiroyuki Yamamoto
   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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include <glib.h>
  26 #include <glib/gi18n.h>
  27 #include <gdk/gdkkeysyms.h>
  28 #include <gtk/gtk.h>
  29
  30 #include "claws.h"
  31 #include "filesel.h"
  32 #include "manage_window.h"
  33 #include "gtkutils.h"
  34 #include "utils.h"
  35 #include "codeconv.h"
  36 #include "procmime.h"
  37 #include "prefs_common.h"
  38
  39 static void
  40 update_preview_cb (GtkFileChooser *file_chooser, gpointer data)
  41 {
  42         GtkWidget *preview;
  43         char *filename = NULL, *type = NULL;
  44         GdkPixbuf *pixbuf = NULL;
  45         gboolean have_preview = FALSE;
  46
  47         preview = GTK_WIDGET (data);
  48         filename = gtk_file_chooser_get_preview_filename (file_chooser);
  49
  50         if (filename == NULL) {
  51                 gtk_file_chooser_set_preview_widget_active (file_chooser, FALSE);
  52                 return;
  53         }
  54         type = procmime_get_mime_type(filename);
  55
  56         if (type && !strncmp(type, "image/", 6))
  57                 pixbuf = gdk_pixbuf_new_from_file_at_size (filename, 128, 128, NULL);
  58
  59         g_free(type);
  60         g_free (filename);
  61
  62         if (pixbuf) {
  63                 have_preview = TRUE;
  64                 gtk_image_set_from_pixbuf (GTK_IMAGE (preview), pixbuf);
  65                 g_object_unref(G_OBJECT(pixbuf));
  66         }
  67
  68         gtk_file_chooser_set_preview_widget_active (file_chooser, have_preview);
  69 }
  70
  71 static GList *filesel_create(const gchar *title, const gchar *path,
  72                              gboolean multiple_files,
  73                              gboolean open, gboolean folder_mode,
  74                              const gchar *filter)
  75 {
  76         GSList *slist = NULL, *slist_orig = NULL;
  77         GList *list = NULL;
  78
  79         gint action = (open == TRUE) ?
  80                         (folder_mode == TRUE ? GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER:
  81                                                GTK_FILE_CHOOSER_ACTION_OPEN):
  82                         (folder_mode == TRUE ? GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER:
  83                                                GTK_FILE_CHOOSER_ACTION_SAVE);
  84
  85         gchar * action_btn = (open == TRUE) ? _("_Open"):_("_Save");
  86         GtkWidget *chooser = gtk_file_chooser_dialog_new
  87                                 (title, NULL, action,
  88                                 _("_Cancel"), GTK_RESPONSE_CANCEL,
  89                                 action_btn, GTK_RESPONSE_ACCEPT,
  90                                 NULL);
  91
  92         gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(chooser), FALSE);
  93
  94         if (filter != NULL) {
  95                 GtkFileFilter *file_filter = gtk_file_filter_new();
  96                 gtk_file_filter_add_pattern(file_filter, filter);
  97                 gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(chooser),
  98                                             file_filter);
  99         }
 100
 101         if (action == GTK_FILE_CHOOSER_ACTION_OPEN) {
 102                 GtkImage *preview;
 103                 preview = GTK_IMAGE(gtk_image_new ());
 104                 gtk_file_chooser_set_preview_widget (GTK_FILE_CHOOSER(chooser), GTK_WIDGET(preview));
 105                 g_signal_connect (chooser, "update-preview",
 106                             G_CALLBACK (update_preview_cb), preview);
 107
 108         }
 109
 110         if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {
 111                 gtk_dialog_set_default_response(GTK_DIALOG(chooser), GTK_RESPONSE_ACCEPT);
 112         }
 113
 114         manage_window_set_transient (GTK_WINDOW(chooser));
 115         gtk_window_set_modal(GTK_WINDOW(chooser), TRUE);
 116
 117         gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER(chooser), multiple_files);
 118
 119         if (path && strlen(path) > 0) {
 120                 char *filename = NULL;
 121                 char *realpath = g_strdup(path);
 122                 char *tmp = NULL;
 123                 if (path[strlen(path)-1] == G_DIR_SEPARATOR) {
 124                         filename = "";
 125                 } else if ((filename = strrchr(path, G_DIR_SEPARATOR)) != NULL) {
 126                         filename++;
 127                         *(strrchr(realpath, G_DIR_SEPARATOR)+1) = '\0';
 128                 } else {
 129                         filename = (char *) path;
 130                         g_free(realpath);
 131                         realpath = g_strdup(get_home_dir());
 132                 }
 133                 if (g_utf8_validate(realpath, -1, NULL))
 134                         tmp = g_filename_from_utf8(realpath, -1, NULL, NULL, NULL);
 135                 if (tmp == NULL)
 136                         tmp = g_strdup(realpath);
 137                 gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(chooser), tmp);
 138                 g_free(tmp);
 139                 if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {
 140                         if (g_utf8_validate(filename, -1, NULL))
 141                                 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(chooser),
 142                                                                   filename);
 143                 }
 144                 g_free(realpath);
 145         } else {
 146                 gchar *tmp = NULL;
 147                 if (!prefs_common.attach_load_dir || !*prefs_common.attach_load_dir)
 148                         prefs_common.attach_load_dir = g_strdup_printf("%s%c", get_home_dir(), G_DIR_SEPARATOR);
 149                 if (g_utf8_validate(prefs_common.attach_load_dir, -1, NULL))
 150                         tmp = g_filename_from_utf8(prefs_common.attach_load_dir, -1, NULL, NULL, NULL);
 151                 if (tmp == NULL)
 152                         tmp = g_strdup(prefs_common.attach_load_dir);
 153                 gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(chooser), tmp);
 154                 g_free(tmp);
 155         }
 156
 157         if (gtk_dialog_run (GTK_DIALOG (chooser)) == GTK_RESPONSE_ACCEPT)
 158                 slist = gtk_file_chooser_get_filenames (GTK_FILE_CHOOSER (chooser));
 159
 160         manage_window_focus_out(chooser, NULL, NULL);
 161         gtk_widget_destroy (chooser);
 162
 163         slist_orig = slist;
 164
 165         if (slist) {
 166                 gchar *tmp = g_strdup(slist->data);
 167
 168                 if (!path && prefs_common.attach_load_dir)
 169                         g_free(prefs_common.attach_load_dir);
 170
 171                 if (strrchr(tmp, G_DIR_SEPARATOR))
 172                         *(strrchr(tmp, G_DIR_SEPARATOR)+1) = '\0';
 173
 174                 if (!path)
 175                         prefs_common.attach_load_dir = g_filename_to_utf8(tmp, -1, NULL, NULL, NULL);
 176
 177                 g_free(tmp);
 178         }
 179
 180         while (slist) {
 181                 list = g_list_append(list, slist->data);
 182                 slist = slist->next;
 183         }
 184
 185         if (slist_orig)
 186                 g_slist_free(slist_orig);
 187
 188         return list;
 189 }
 190
 191 /**
 192  * This function lets the user select multiple files.
 193  * This opens an Open type dialog.
 194  * @param title the title of the dialog
 195  */
 196 GList *filesel_select_multiple_files_open(const gchar *title, const gchar *path)
 197 {
 198         return filesel_create(title, path, TRUE, TRUE, FALSE, NULL);
 199 }
 200
 201 GList *filesel_select_multiple_files_open_with_filter(  const gchar *title,
 202                                                         const gchar *path,
 203                                                         const gchar *filter)
 204 {
 205         return filesel_create (title, path, TRUE, TRUE, FALSE, filter);
 206 }
 207
 208 /**
 209  * This function lets the user select one file.
 210  * This opens an Open type dialog if "file" is NULL,
 211  * Save dialog if "file" contains a path.
 212  * @param title the title of the dialog
 213  * @param path the optional path to save to
 214  */
 215 static gchar *filesel_select_file(const gchar *title, const gchar *path,
 216                                   gboolean open, gboolean folder_mode,
 217                                   const gchar *filter)
 218 {
 219         GList * list = filesel_create(title, path, FALSE, open, folder_mode, filter);
 220         gchar * result = NULL;
 221         if (list) {
 222                 result = g_strdup(list->data);
 223         }
 224         g_list_free(list);
 225         return result;
 226 }
 227 gchar *filesel_select_file_open(const gchar *title, const gchar *path)
 228 {
 229         return filesel_select_file (title, path, TRUE, FALSE, NULL);
 230 }
 231
 232 gchar *filesel_select_file_open_with_filter(const gchar *title, const gchar *path,
 233                                             const gchar *filter)
 234 {
 235         return filesel_select_file (title, path, TRUE, FALSE, filter);
 236 }
 237
 238 gchar *filesel_select_file_save(const gchar *title, const gchar *path)
 239 {
 240         return filesel_select_file (title, path, FALSE, FALSE, NULL);
 241 }
 242
 243 gchar *filesel_select_file_open_folder(const gchar *title, const gchar *path)
 244 {
 245         return filesel_select_file (title, path, TRUE, TRUE, NULL);
 246 }
 247
 248 gchar *filesel_select_file_save_folder(const gchar *title, const gchar *path)
 249 {
 250         return filesel_select_file (title, path, FALSE, TRUE, NULL);
 251 }
 252