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/* this file is publiched under the gnu gpl license, version 3 or any later */ |
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#define _GNU_SOURCE |
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#include <dlfcn.h> |
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#include <glib.h> |
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#include <gtk/gtk.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <fcntl.h> |
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|
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static const char version[] = "gtkbfc version 0.0"; |
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|
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static char *helper = "/etc/gtkbfc-helper"; |
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|
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static GObject *(*old_constructor) (GType type, guint n_construct_properties, GObjectConstructParam *construct_properties); |
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|
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static gchar *last_path; |
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|
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#if 0 |
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# define DEBUG(stmt) stmt; |
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#else |
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# define DEBUG(stmt) |
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#endif |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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gchar *gtk_file_chooser_get_filename (GtkFileChooser *chooser) |
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{ |
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DEBUG ((printf ("gtk_file_chooser_get_filename<%s>\n", last_path))) |
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return g_strdup (last_path ? last_path : "/nonex1st4nt"); |
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} |
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|
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gboolean gtk_file_chooser_select_filename (GtkFileChooser *chooser, const char *filename) |
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{ |
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return 1; |
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} |
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|
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void gtk_file_chooser_unselect_all (GtkFileChooser *chooser) |
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{ |
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} |
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|
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gboolean gtk_file_chooser_set_filename (GtkFileChooser *chooser, const char *filename) |
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{ |
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return 1; |
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} |
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|
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void gtk_file_chooser_set_current_name (GtkFileChooser *chooser, const char *filename) |
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{ |
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} |
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|
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GSList *gtk_file_chooser_get_filenames (GtkFileChooser *chooser) |
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{ |
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GSList *rv = 0; |
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rv = g_slist_prepend (rv, gtk_file_chooser_get_filename (chooser)); |
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return rv; |
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} |
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|
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gboolean gtk_file_chooser_set_current_folder (GtkFileChooser *chooser, const gchar *folder) |
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{ |
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return 1; |
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} |
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|
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gchar * gtk_file_chooser_get_current_folder (GtkFileChooser *chooser) |
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{ |
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DEBUG ((printf ("gtk_file_chooser_get_current_folder\n"))) |
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return g_strdup ("/tmp/gtkbfc"); |
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} |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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static const gchar * |
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from_uri (const gchar *uri) |
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{ |
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const gchar *rv = uri; |
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|
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if (uri && uri == strstr (uri, "file:///")) |
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rv = uri + 7; |
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|
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return rv; |
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} |
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|
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static gchar * |
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to_uri (gchar *file) |
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{ |
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gchar *rv = NULL; |
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|
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if (file) |
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{ |
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GString *str = g_string_new ("file://"); |
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|
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str = g_string_append (str, file); |
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rv = g_strdup (str->str); |
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g_string_free (str, TRUE); |
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g_free (file); |
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} |
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|
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return rv; |
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} |
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|
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static GSList * |
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to_uris (GSList *files) |
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{ |
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GSList *item = files; |
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|
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for (; item; item = g_slist_next (item)) |
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{ |
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GString *str = g_string_new ("file://"); |
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gchar *cur = item->data; |
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|
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str = g_string_append (str, cur); |
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item->data = g_string_free (str, FALSE); |
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g_free (cur); |
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} |
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|
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return files; |
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} |
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|
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gchar *gtk_file_chooser_get_uri (GtkFileChooser *chooser) |
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{ |
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gchar *uri = to_uri(gtk_file_chooser_get_filename (chooser)); |
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DEBUG ((printf ("gtk_file_chooser_get_uri<%s>\n", uri))); |
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return uri; |
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} |
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|
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gboolean gtk_file_chooser_set_uri (GtkFileChooser *chooser, const char *uri) |
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{ |
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return gtk_file_chooser_set_filename (chooser, from_uri (uri)); |
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} |
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|
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GSList *gtk_file_chooser_get_uris (GtkFileChooser *chooser) |
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{ |
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return to_uris (gtk_file_chooser_get_filenames (chooser)); |
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} |
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|
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gboolean gtk_file_chooser_set_current_folder_uri(GtkFileChooser *chooser, const gchar *uri) |
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{ |
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return gtk_file_chooser_set_current_folder (chooser, from_uri (uri)); |
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} |
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|
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gchar *gtk_file_chooser_get_current_folder_uri (GtkFileChooser *chooser) |
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{ |
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return to_uri (gtk_file_chooser_get_current_folder (chooser)); |
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} |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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static gboolean disable_cb (gpointer data) |
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{ |
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((void (*)(void *, const char *)) dlsym (RTLD_NEXT, "gtk_file_chooser_set_filename"))(GTK_FILE_CHOOSER (data), "/tmp/gtkbfc/empty"); |
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GtkWidget *toplevel = gtk_widget_get_toplevel (data); |
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if (toplevel) gtk_widget_set_sensitive (toplevel, 0); |
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gtk_widget_unref (data); |
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return FALSE; |
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} |
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static gboolean read_result (GIOChannel *source, GIOCondition condition, gpointer data) |
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{ |
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if (last_path) |
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{ |
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g_free (last_path); |
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last_path = 0; |
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} |
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g_io_channel_read_to_end (source, &last_path, 0, 0); |
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g_io_channel_unref (source); |
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|
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GtkWidget *toplevel = gtk_widget_get_toplevel (data); |
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if (toplevel) gtk_widget_set_sensitive (toplevel, 1); |
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|
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if (!last_path || *last_path != '/') |
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{ |
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DEBUG ((printf ("read_result cancel\n"))) |
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g_free (last_path); |
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last_path = 0; |
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|
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if (toplevel) |
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{ |
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GdkEvent ev = { GDK_DELETE }; |
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g_signal_emit_by_name (toplevel, "delete-event", &ev); |
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} |
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} |
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else |
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{ |
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DEBUG ((printf ("read_result<%s>\n", last_path))) |
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gtk_file_chooser_set_do_overwrite_confirmation (GTK_FILE_CHOOSER (data), FALSE); |
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g_signal_emit_by_name (GTK_FILE_CHOOSER (data), "file-activated"); |
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} |
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gtk_widget_unref (data); |
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return FALSE; |
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} |
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|
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static gboolean map_cb (GtkWidget *widget, gpointer user_data) |
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{ |
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gchar *argv[10]; |
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gboolean save = 0; |
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char xid [40]; |
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|
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argv [0] = helper; |
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|
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switch (gtk_file_chooser_get_action (GTK_FILE_CHOOSER (widget))) |
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{ |
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case GTK_FILE_CHOOSER_ACTION_SAVE: argv [1] = "save "; save = 1;break; |
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case GTK_FILE_CHOOSER_ACTION_OPEN: argv [1] = "load "; break; |
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case GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER: argv [1] = "mkdir "; save = 1; break; |
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case GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER: argv [1] = "cd "; break; |
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default: argv [1] = "<unknown action> "; break; |
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} |
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|
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GdkWindow *w = gtk_widget_get_parent_window (GTK_WIDGET (widget)); |
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|
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snprintf (xid, 80, "%lu", (unsigned long)(w ? gdk_x11_drawable_get_xid (w) : 0)); |
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argv [2] = xid; |
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argv [3] = 0; |
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|
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mkdir ("/tmp/gtkbfc", 0777); |
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close (open ("/tmp/gtkbfc/empty", O_WRONLY|O_CREAT|O_TRUNC, 0666)); |
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|
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((void (*)(void *, const char *)) dlsym (RTLD_NEXT, "gtk_file_chooser_set_filename"))(GTK_FILE_CHOOSER (widget), "/tmp/gtkbfc/empty"); |
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|
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gint stdout_fd = -1; |
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|
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gtk_widget_ref (widget); disable_cb (widget); |
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|
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if (g_spawn_async_with_pipes (0, argv, 0, 0, 0, 0, 0, 0, &stdout_fd, 0, 0)) |
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{ |
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GIOChannel *channel = g_io_channel_unix_new (stdout_fd); |
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|
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gtk_widget_ref (widget); g_io_add_watch (channel, G_IO_IN | G_IO_ERR | G_IO_HUP, read_result, widget); |
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// disable again in an idle handler, to get around race conditions |
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gtk_widget_ref (widget); g_idle_add (disable_cb, widget); |
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} |
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} |
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|
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static GObject *new_constructor (GType type, guint n_construct_properties, GObjectConstructParam *construct_properties) |
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{ |
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GObject *ob = old_constructor (type, n_construct_properties, construct_properties); |
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g_signal_connect_after (ob, "map", G_CALLBACK (map_cb), 0); |
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return ob; |
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} |
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|
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__attribute__ ((constructor)) |
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static void init () |
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{ |
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g_type_init (); |
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|
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GType type = GTK_TYPE_FILE_CHOOSER_WIDGET; |
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GObjectClass *klass = g_type_class_ref (type); |
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|
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old_constructor = klass->constructor; |
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klass->constructor = new_constructor; |
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} |
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