untwist file selection logic - be explicit
[claws.git] / src / gtk / filesel.c
index e4af38f8e5a7d8dcfef8142a4b960281a88a9cb2..b24e40fee9031abbcfc2a806cb650889538a05bc 100644 (file)
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif 
+
 #include <glib.h>
 #include <gdk/gdkkeysyms.h>
 #include <gtk/gtkwidget.h>
 #include <gtk/gtkmain.h>
 #include <gtk/gtksignal.h>
 #include <gtk/gtkeditable.h>
+#include <gtk/gtkstock.h>
+#include <gtk/gtkdialog.h>
+#include <gtk/gtkfilechooser.h>
+#include <gtk/gtkfilechooserdialog.h>
 
+#include "intl.h"
 #include "sylpheed.h"
 #include "filesel.h"
 #include "manage_window.h"
 #include "gtkutils.h"
 #include "utils.h"
 
-static GtkWidget *filesel;
-static gboolean filesel_ack;
-static gboolean filesel_fin;
-static gchar *filesel_oldfilename;
-
-static void filesel_create(const gchar *title, gboolean multiple_files);
-static void filesel_ok_cb(GtkWidget *widget, gpointer data);
-static void filesel_cancel_cb(GtkWidget *widget, gpointer data);
-static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data);
-static void key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data);
-
-static void filesel_file_list_select_row_multi(GtkCList *clist, gint row, gint col,
-                                              GdkEventButton *event, gpointer userdata);
-static void filesel_file_list_select_row_single(GtkCList *clist, gint row, gint col,
-                                               GdkEventButton *event, gpointer userdata);
-
-static void filesel_dir_list_select_row_multi(GtkCList *clist, gint row, gint col,
-                                             GdkEventButton *event, gpointer userdata);
-static void filesel_dir_list_select_row_single(GtkCList *clist, gint row, gint col,
-                                              GdkEventButton *event, gpointer userdata);
-
-static GList *filesel_get_multiple_filenames(void);
-
-gchar *filesel_select_file(const gchar *title, const gchar *file)
+static gchar *last_selected_dir = NULL;
+static GList *filesel_create(const gchar *title, const gchar *path, 
+                            gboolean multiple_files,
+                            gboolean open)
 {
-       static gchar *filename = NULL;
-       static gchar *cwd = NULL;
-
-       filesel_create(title, FALSE);
-
-       manage_window_set_transient(GTK_WINDOW(filesel));
-
-       if (filename) {
-               g_free(filename);
-               filename = NULL;
-       }
-
-       if (!cwd)
-               cwd = g_strconcat(sylpheed_get_startup_dir(), G_DIR_SEPARATOR_S, NULL);
-
-       gtk_file_selection_set_filename(GTK_FILE_SELECTION(filesel), cwd);
-
-       if (file) {
-               gtk_file_selection_set_filename(GTK_FILE_SELECTION(filesel),
-                                               file);
-               filesel_oldfilename = g_strdup(file);
+       GSList *slist = NULL, *slist_orig = NULL;
+       GList *list = NULL;
+
+       gint action = (open == TRUE) ? GTK_FILE_CHOOSER_ACTION_OPEN:GTK_FILE_CHOOSER_ACTION_SAVE;
+       gchar * action_btn = (open == TRUE) ? GTK_STOCK_OPEN:GTK_STOCK_SAVE;
+       GtkWidget *chooser = gtk_file_chooser_dialog_new (title, NULL, action, 
+                               GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+                               action_btn, GTK_RESPONSE_OK, 
+                               NULL);
+       
+       manage_window_set_transient (GTK_WINDOW(chooser));
+       gtk_window_set_modal(GTK_WINDOW(chooser), TRUE);
+       gtk_window_set_wmclass
+               (GTK_WINDOW(chooser), "file_selection", "Sylpheed");
+
+       gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER(chooser), multiple_files);
+
+       if (path) {
+               char *filename = NULL;
+               char *realpath = strdup(path);
+               if (path[strlen(path)-1] == G_DIR_SEPARATOR) {
+                       filename = "";
+               } else if ((filename = strrchr(path, G_DIR_SEPARATOR)) != NULL) {
+                       filename++;
+                       *(strrchr(realpath, G_DIR_SEPARATOR)+1) = '\0';
+               } else {
+                       filename = (char *) path;
+                       free(realpath); 
+                       realpath = strdup(get_home_dir());
+               }
+               gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(chooser), realpath);
+               gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(chooser), filename);
+               free(realpath);
        } else {
-               filesel_oldfilename = NULL;
-       }
-
-       gtk_widget_show(filesel);
+               if (!last_selected_dir)
+                       last_selected_dir = g_strdup_printf("%s%c", get_home_dir(), G_DIR_SEPARATOR);
 
-       filesel_ack = filesel_fin = FALSE;
-
-       while (filesel_fin == FALSE)
-               gtk_main_iteration();
-
-       if (filesel_ack) {
-               gchar *str;
-
-               str = gtk_file_selection_get_filename
-                       (GTK_FILE_SELECTION(filesel));
-               if (str && str[0] != '\0') {
-                       gchar *dir;
-
-                       filename = g_strdup(str);
-                       dir = g_dirname(str);
-                       g_free(cwd);
-                       cwd = g_strconcat(dir, G_DIR_SEPARATOR_S, NULL);
-                       g_free(dir);
-               }
+               gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(chooser), last_selected_dir);
        }
 
-       if (filesel_oldfilename) 
-               g_free(filesel_oldfilename);
-
-       manage_window_focus_out(filesel, NULL, NULL);
-       gtk_widget_destroy(filesel);
-       GTK_EVENTS_FLUSH();
-
-       return filename;
-}
-
-GList *filesel_select_multiple_files(const gchar *title, const gchar *file)
-{
-       /* ALF - sorry for the exuberant code duping... need to 
-        * be cleaned up. */
-       static gchar *filename = NULL;
-       static gchar *cwd = NULL;
-       GList        *list = NULL;
-
-       filesel_create(title, TRUE);
-
-       manage_window_set_transient(GTK_WINDOW(filesel));
+       if (gtk_dialog_run (GTK_DIALOG (chooser)) == GTK_RESPONSE_OK) 
+               slist = gtk_file_chooser_get_filenames (GTK_FILE_CHOOSER (chooser));
+       
+       manage_window_focus_out(chooser, NULL, NULL);
+       gtk_widget_destroy (chooser);
 
-       if (filename) {
-               g_free(filename);
-               filename = NULL;
+       slist_orig = slist;
+       
+       if (slist) {
+               gchar *tmp = strdup(slist->data);
+               if (last_selected_dir)
+                       g_free(last_selected_dir);
+               
+               if (strrchr(tmp, G_DIR_SEPARATOR))
+                       *(strrchr(tmp, G_DIR_SEPARATOR)+1) = '\0';
+               last_selected_dir = g_strdup(tmp);
+               g_free(tmp);
        }
 
-       if (!cwd)
-               cwd = g_strconcat(sylpheed_get_startup_dir(), G_DIR_SEPARATOR_S, NULL);
-
-       gtk_file_selection_set_filename(GTK_FILE_SELECTION(filesel), cwd);
-
-       if (file)
-               gtk_file_selection_set_filename(GTK_FILE_SELECTION(filesel),
-                                               file);
-       gtk_widget_show(filesel);
-
-       filesel_ack = filesel_fin = FALSE;
-
-       while (filesel_fin == FALSE)
-               gtk_main_iteration();
-
-       if (filesel_ack) {
-               gchar *fname = NULL;
-
-               list = filesel_get_multiple_filenames();
-
-               if (!list) {
-                       fname = gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
-                       list = g_list_append(list, g_strdup(fname));
-               }
+       while (slist) {
+               list = g_list_append(list, slist->data);
+               slist = slist->next;
        }
-
-       manage_window_focus_out(filesel, NULL, NULL);
-       gtk_widget_destroy(filesel);
-       GTK_EVENTS_FLUSH();
-
+       
+       if (slist_orig)
+               g_slist_free(slist_orig);
+       
        return list;
 }
 
-static void filesel_create(const gchar *title, gboolean multiple_files)
-{
-       filesel = gtk_file_selection_new(title);
-       gtk_window_set_position(GTK_WINDOW(filesel), GTK_WIN_POS_CENTER);
-       gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
-       gtk_window_set_wmclass
-               (GTK_WINDOW(filesel), "file_selection", "Sylpheed");
-
-       gtk_signal_connect(GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button),
-                          "clicked", GTK_SIGNAL_FUNC(filesel_ok_cb),
-                          NULL);
-       gtk_signal_connect
-               (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button),
-                "clicked", GTK_SIGNAL_FUNC(filesel_cancel_cb),
-                NULL);
-       gtk_signal_connect(GTK_OBJECT(filesel), "delete_event",
-                          GTK_SIGNAL_FUNC(delete_event), NULL);
-       gtk_signal_connect(GTK_OBJECT(filesel), "key_press_event",
-                          GTK_SIGNAL_FUNC(key_pressed), NULL);
-       MANAGE_WINDOW_SIGNALS_CONNECT(filesel);
-
-       if (multiple_files) {
-               gtk_clist_set_selection_mode
-                       (GTK_CLIST(GTK_FILE_SELECTION(filesel)->file_list),
-                        GTK_SELECTION_MULTIPLE);
-               gtk_signal_connect(GTK_OBJECT(GTK_FILE_SELECTION(filesel)->file_list),
-                                  "select_row", 
-                                  GTK_SIGNAL_FUNC(filesel_file_list_select_row_multi),
-                                  NULL);
-               gtk_signal_connect(GTK_OBJECT(GTK_FILE_SELECTION(filesel)->file_list),
-                                  "unselect_row",
-                                  GTK_SIGNAL_FUNC(filesel_file_list_select_row_multi),
-                                  NULL);
-               gtk_signal_connect(GTK_OBJECT(GTK_FILE_SELECTION(filesel)->dir_list),
-                                  "select_row",
-                                  GTK_SIGNAL_FUNC(filesel_dir_list_select_row_multi),
-                                  NULL);
-       } else {
-               gtk_signal_connect_after(GTK_OBJECT(GTK_FILE_SELECTION(filesel)->file_list),
-                                        "select_row", 
-                                        GTK_SIGNAL_FUNC(filesel_file_list_select_row_single),
-                                        NULL);
-               gtk_signal_connect_after(GTK_OBJECT(GTK_FILE_SELECTION(filesel)->dir_list),
-                                        "select_row",
-                                        GTK_SIGNAL_FUNC(filesel_dir_list_select_row_single),
-                                        NULL);
-       }
-}
-
-static void filesel_ok_cb(GtkWidget *widget, gpointer data)
-{
-       filesel_ack = TRUE;
-       filesel_fin = TRUE;
-}
-
-static void filesel_cancel_cb(GtkWidget *widget, gpointer data)
-{
-       filesel_ack = FALSE;
-       filesel_fin = TRUE;
-}
-
-static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
-{
-       filesel_cancel_cb(NULL, NULL);
-       if (filesel_oldfilename) {
-               g_free(filesel_oldfilename);
-               filesel_oldfilename = NULL;
-       }
-       return TRUE;
-}
-
-static void key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
-{
-       if (event && event->keyval == GDK_Escape)
-               filesel_cancel_cb(NULL, NULL);
-}
-
-/* handle both "select_row" and "unselect_row". note that we're using the
- * entry box to put there the selected file names in. we're not using these
- * entry box to get the selected file names. instead we use the clist selection.
- * the entry box is used only to retrieve dir name. */
-static void filesel_file_list_select_row_multi(GtkCList *clist, gint row, gint col,
-                                              GdkEventButton *event, gpointer userdata)
-{
-       /* simple implementation in which we clear the file entry and refill it */
-       GList    *list  = clist->selection;
-       GtkEntry *entry = GTK_ENTRY(GTK_FILE_SELECTION(filesel)->selection_entry);
-
-       gtk_editable_delete_text(GTK_EDITABLE(entry), 0, -1);
-
-#define INVALID_FILENAME_CHARS     " "
-       for (; list; list = list->next) {
-               gint row = GPOINTER_TO_INT(list->data);
-               gchar *text = NULL, *tmp;
-
-               if (!gtk_clist_get_text(clist, row, 0, &text))
-                       break;
-
-               /* NOTE: quick glance in source code of GtkCList
-                * reveals we should not free the returned 'text' */
-               
-               tmp = g_strconcat(text, " ", NULL);
-               text = tmp;
-               gtk_entry_append_text(entry, text); 
-               g_free(text);
-       }
-#undef INVALID_FILENAME_CHARS
-}
-
-static void filesel_dir_list_select_row_multi(GtkCList *clist, gint row, gint col,
-                                             GdkEventButton *event, gpointer userdata)
+/**
+ * This function lets the user select multiple files.
+ * This opens an Open type dialog.
+ * @param title the title of the dialog
+ */
+GList *filesel_select_multiple_files_open(const gchar *title)
 {
-       GtkEntry *entry     = GTK_ENTRY(GTK_FILE_SELECTION(filesel)->selection_entry);
-       GtkCList *file_list = GTK_CLIST(GTK_FILE_SELECTION(filesel)->file_list);
-
-       /* if dir list is selected we clean everything */
-       gtk_editable_delete_text(GTK_EDITABLE(entry), 0, -1);
-       gtk_clist_unselect_all(file_list);
+       return filesel_create(title, NULL, TRUE, TRUE);
 }
 
-static void filesel_file_list_select_row_single(GtkCList *clist, gint row, gint col,
-                                        GdkEventButton *event, gpointer userdata)
+/**
+ * This function lets the user select one file.
+ * This opens an Open type dialog if "file" is NULL, 
+ * Save dialog if "file" contains a path.
+ * @param title the title of the dialog
+ * @param path the optional path to save to
+ */
+static gchar *filesel_select_file(const gchar *title, const gchar *path,
+                                 gboolean open)
 {
-       gchar *text;
-
-       if(gtk_clist_get_text(clist, row, 0, &text)) {
-               filesel_oldfilename = g_strdup(text);
-               debug_print("%s\n", filesel_oldfilename);
-       } else {
-               filesel_oldfilename = NULL;
+       GList * list = filesel_create(title, path, FALSE, open);
+       gchar * result = NULL;
+       if (list) {
+               result = strdup(list->data);
        }
+       g_list_free(list);
+       return result;
 }
-
-static void filesel_dir_list_select_row_single(GtkCList *clist, gint row, gint col,
-                                       GdkEventButton *event, gpointer userdata)
+gchar *filesel_select_file_open(const gchar *title, const gchar *path)
 {
-       gchar *buf;
-       GtkEntry *entry = GTK_ENTRY(GTK_FILE_SELECTION(filesel)->selection_entry);
-
-       buf = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
-       if(filesel_oldfilename && !(*buf)) {
-               gtk_editable_delete_text(GTK_EDITABLE(entry), 0, -1);
-               gtk_entry_append_text(entry, filesel_oldfilename);
-       }
-       g_free(buf);
+       return filesel_select_file (title, path, TRUE);
 }
 
-static GList *filesel_get_multiple_filenames(void)
+gchar *filesel_select_file_save(const gchar *title, const gchar *path)
 {
-       /* as noted before we are not using the entry text when selecting
-        * multiple files. to much hassle to parse out invalid chars (chars
-        * that need to be escaped). instead we use the file_list. the
-        * entry is only useful for extracting the current directory. */
-       GtkCList *file_list  = GTK_CLIST(GTK_FILE_SELECTION(filesel)->file_list);
-       GList    *list = NULL, *sel_list;
-       gchar    *cwd, *tmp;     
-       gboolean  separator;
-
-       g_return_val_if_fail(file_list->selection != NULL, NULL);
-
-       tmp = gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
-       tmp = g_strdup(tmp);
-       cwd = g_dirname(tmp);
-       g_free(tmp);
-       g_return_val_if_fail(cwd != NULL, NULL);
-
-       /* only quick way to check the end of a multi byte string for our
-        * separator... */
-       g_strreverse(cwd);
-       separator = 0 == g_strncasecmp(cwd, G_DIR_SEPARATOR_S, strlen(G_DIR_SEPARATOR_S))
-               ?  TRUE : FALSE;
-       g_strreverse(cwd);
-
-       /* fetch the selected file names */
-       for (sel_list = file_list->selection; sel_list; sel_list = sel_list->next) {
-               gint   sel = GPOINTER_TO_INT(sel_list->data);
-               gchar *sel_text = NULL;
-               gchar *fname = NULL;
-               
-               gtk_clist_get_text(file_list, sel, 0, &sel_text);
-               if (!sel_text) continue;
-               sel_text = g_strdup(sel_text);
-
-               if (separator)
-                       fname = g_strconcat(cwd, sel_text, NULL);
-               else
-                       fname = g_strconcat(cwd, G_DIR_SEPARATOR_S, sel_text, NULL);
-               
-               list = g_list_append(list, fname);
-               g_free(sel_text);
-       }
-       
-       g_free(cwd);
-       
-       return list;
+       return filesel_select_file (title, path, FALSE);
 }
-