/* * fm-ditem-page.c: Desktop item editing support * * Copyright (C) 2004 James Willcox * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * Authors: James Willcox <jwillcox@gnome.org> * */ #include <config.h> #include "fm-ditem-page.h" #include <string.h> #include <eel/eel-glib-extensions.h> #include <gtk/gtk.h> #include <glib/gi18n.h> #include <libcaja-extension/caja-extension-types.h> #include <libcaja-extension/caja-file-info.h> #include <libcaja-private/caja-file.h> #include <libcaja-private/caja-file-attributes.h> #define MAIN_GROUP "Desktop Entry" typedef struct ItemEntry { const char *field; const char *description; char *current_value; gboolean localized; gboolean filename; } ItemEntry; enum { TARGET_URI_LIST }; static const GtkTargetEntry target_table[] = { { "text/uri-list", 0, TARGET_URI_LIST } }; static gboolean _g_key_file_load_from_gfile (GKeyFile *key_file, GFile *file, GKeyFileFlags flags, GError **error) { char *data; gsize len; gboolean res; if (!g_file_load_contents (file, NULL, &data, &len, NULL, error)) { return FALSE; } res = g_key_file_load_from_data (key_file, data, len, flags, error); g_free (data); return res; } static gboolean _g_key_file_save_to_uri (GKeyFile *key_file, const char *uri, GError **error) { GFile *file; char *data; gsize len; data = g_key_file_to_data (key_file, &len, error); if (data == NULL) { return FALSE; } file = g_file_new_for_uri (uri); if (!g_file_replace_contents (file, data, len, NULL, FALSE, G_FILE_CREATE_NONE, NULL, NULL, error)) { g_object_unref (file); g_free (data); return FALSE; } g_object_unref (file); g_free (data); return TRUE; } static GKeyFile * _g_key_file_new_from_file (GFile *file, GKeyFileFlags flags, GError **error) { GKeyFile *key_file; key_file = g_key_file_new (); if (!_g_key_file_load_from_gfile (key_file, file, flags, error)) { g_key_file_free (key_file); key_file = NULL; } return key_file; } static GKeyFile * _g_key_file_new_from_uri (const char *uri, GKeyFileFlags flags, GError **error) { GKeyFile *key_file; GFile *file; file = g_file_new_for_uri (uri); key_file = _g_key_file_new_from_file (file, flags, error); g_object_unref (file); return key_file; } static ItemEntry * item_entry_new (const char *field, const char *description, gboolean localized, gboolean filename) { ItemEntry *entry; entry = g_new0 (ItemEntry, 1); entry->field = field; entry->description = description; entry->localized = localized; entry->filename = filename; return entry; } static void item_entry_free (ItemEntry *entry) { g_free (entry->current_value); g_free (entry); } static void fm_ditem_page_url_drag_data_received (GtkWidget *widget, GdkDragContext *context, int x, int y, GtkSelectionData *selection_data, guint info, guint time, GtkEntry *entry) { char **uris; gboolean exactly_one; char *path; uris = g_strsplit (gtk_selection_data_get_data (selection_data), "\r\n", 0); exactly_one = uris[0] != NULL && (uris[1] == NULL || uris[1][0] == '\0'); if (!exactly_one) { g_strfreev (uris); return; } path = g_filename_from_uri (uris[0], NULL, NULL); if (path != NULL) { gtk_entry_set_text (entry, path); g_free (path); } else { gtk_entry_set_text (entry, uris[0]); } g_strfreev (uris); } static void fm_ditem_page_exec_drag_data_received (GtkWidget *widget, GdkDragContext *context, int x, int y, GtkSelectionData *selection_data, guint info, guint time, GtkEntry *entry) { char **uris; gboolean exactly_one; CajaFile *file; GKeyFile *key_file; char *uri, *type, *exec; uris = g_strsplit (gtk_selection_data_get_data (selection_data), "\r\n", 0); exactly_one = uris[0] != NULL && (uris[1] == NULL || uris[1][0] == '\0'); if (!exactly_one) { g_strfreev (uris); return; } file = caja_file_get_by_uri (uris[0]); g_return_if_fail (file != NULL); uri = caja_file_get_uri (file); if (caja_file_is_mime_type (file, "application/x-desktop")) { key_file = _g_key_file_new_from_uri (uri, G_KEY_FILE_NONE, NULL); if (key_file != NULL) { type = g_key_file_get_string (key_file, MAIN_GROUP, "Type", NULL); if (type != NULL && strcmp (type, "Application") == 0) { exec = g_key_file_get_string (key_file, MAIN_GROUP, "Exec", NULL); if (exec != NULL) { g_free (uri); uri = exec; } } g_free (type); g_key_file_free (key_file); } } gtk_entry_set_text (entry, uri?uri:""); gtk_widget_grab_focus (GTK_WIDGET (entry)); g_free (uri); caja_file_unref (file); g_strfreev (uris); } static void save_entry (GtkEntry *entry, GKeyFile *key_file, const char *uri) { GError *error; ItemEntry *item_entry; const char *val; gchar **languages; item_entry = g_object_get_data (G_OBJECT (entry), "item_entry"); val = gtk_entry_get_text (entry); if (strcmp (val, item_entry->current_value) == 0) { return; /* No actual change, don't update file */ } g_free (item_entry->current_value); item_entry->current_value = g_strdup (val); if (item_entry->localized) { languages = (gchar **) g_get_language_names (); g_key_file_set_locale_string (key_file, MAIN_GROUP, item_entry->field, languages[0], val); } else { g_key_file_set_string (key_file, MAIN_GROUP, item_entry->field, val); } error = NULL; if (!_g_key_file_save_to_uri (key_file, uri, &error)) { g_warning ("%s", error->message); g_error_free (error); } } static void entry_activate_cb (GtkWidget *entry, GtkWidget *container) { const char *uri; GKeyFile *key_file; uri = g_object_get_data (G_OBJECT (container), "uri"); key_file = g_object_get_data (G_OBJECT (container), "keyfile"); save_entry (GTK_ENTRY (entry), key_file, uri); } static gboolean entry_focus_out_cb (GtkWidget *entry, GdkEventFocus *event, GtkWidget *container) { const char *uri; GKeyFile *key_file; uri = g_object_get_data (G_OBJECT (container), "uri"); key_file = g_object_get_data (G_OBJECT (container), "keyfile"); save_entry (GTK_ENTRY (entry), key_file, uri); return FALSE; } static GtkWidget * build_table (GtkWidget *container, GKeyFile *key_file, GtkSizeGroup *label_size_group, GList *entries) { GtkWidget *table; GtkWidget *label; GtkWidget *entry; GList *l; char *val; int i; table = gtk_table_new (g_list_length (entries) + 1, 2, FALSE); gtk_table_set_row_spacings (GTK_TABLE (table), 6); gtk_table_set_col_spacings (GTK_TABLE (table), 12); i = 0; for (l = entries; l; l = l->next) { ItemEntry *item_entry = (ItemEntry *)l->data; char *label_text; label_text = g_strdup_printf ("%s:", item_entry->description); label = gtk_label_new (label_text); gtk_label_set_use_markup (GTK_LABEL (label), TRUE); g_free (label_text); gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); gtk_size_group_add_widget (label_size_group, label); entry = gtk_entry_new (); if (item_entry->localized) { val = g_key_file_get_locale_string (key_file, MAIN_GROUP, item_entry->field, NULL, NULL); } else { val = g_key_file_get_string (key_file, MAIN_GROUP, item_entry->field, NULL); } item_entry->current_value = g_strdup (val?val:""); gtk_entry_set_text (GTK_ENTRY (entry), item_entry->current_value); g_free (val); gtk_table_attach (GTK_TABLE (table), label, 0, 1, i, i+1, GTK_FILL, GTK_FILL, 0, 0); gtk_table_attach (GTK_TABLE (table), entry, 1, 2, i, i+1, GTK_EXPAND|GTK_FILL, GTK_EXPAND|GTK_FILL, 0, 0); g_signal_connect (entry, "activate", G_CALLBACK (entry_activate_cb), container); g_signal_connect (entry, "focus_out_event", G_CALLBACK (entry_focus_out_cb), container); g_object_set_data_full (G_OBJECT (entry), "item_entry", item_entry, (GDestroyNotify)item_entry_free); if (item_entry->filename) { gtk_drag_dest_set (GTK_WIDGET (entry), GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_DROP, target_table, G_N_ELEMENTS (target_table), GDK_ACTION_COPY | GDK_ACTION_MOVE); g_signal_connect (entry, "drag_data_received", G_CALLBACK (fm_ditem_page_url_drag_data_received), entry); } else if (strcmp (item_entry->field, "Exec") == 0) { gtk_drag_dest_set (GTK_WIDGET (entry), GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_DROP, target_table, G_N_ELEMENTS (target_table), GDK_ACTION_COPY | GDK_ACTION_MOVE); g_signal_connect (entry, "drag_data_received", G_CALLBACK (fm_ditem_page_exec_drag_data_received), entry); } i++; } /* append dummy row */ label = gtk_label_new (""); gtk_table_attach (GTK_TABLE (table), label, 0, 1, i, i+1, GTK_FILL, GTK_FILL, 0, 0); gtk_size_group_add_widget (label_size_group, label); gtk_widget_show_all (table); return table; } static void create_page (GKeyFile *key_file, GtkWidget *box) { GtkWidget *table; GList *entries; GtkSizeGroup *label_size_group; char *type; entries = NULL; type = g_key_file_get_string (key_file, MAIN_GROUP, "Type", NULL); if (g_strcmp0 (type, "Link") == 0) { entries = g_list_prepend (entries, item_entry_new ("Comment", _("Comment"), TRUE, FALSE)); entries = g_list_prepend (entries, item_entry_new ("URL", _("URL"), FALSE, TRUE)); entries = g_list_prepend (entries, item_entry_new ("GenericName", _("Description"), TRUE, FALSE)); } else if (g_strcmp0 (type, "Application") == 0) { entries = g_list_prepend (entries, item_entry_new ("Comment", _("Comment"), TRUE, FALSE)); entries = g_list_prepend (entries, item_entry_new ("Exec", _("Command"), FALSE, FALSE)); entries = g_list_prepend (entries, item_entry_new ("GenericName", _("Description"), TRUE, FALSE)); } else { /* we only handle launchers and links */ /* ensure that we build an empty table with a dummy row at the end */ goto build_table; } g_free (type); build_table: label_size_group = g_object_get_data (G_OBJECT (box), "label-size-group"); table = build_table (box, key_file, label_size_group, entries); g_list_free (entries); gtk_box_pack_start (GTK_BOX (box), table, FALSE, TRUE, 0); gtk_widget_show_all (GTK_WIDGET (box)); } static void ditem_read_cb (GObject *source_object, GAsyncResult *res, gpointer user_data) { GKeyFile *key_file; GtkWidget *box; gsize file_size; char *file_contents; box = GTK_WIDGET (user_data); if (g_file_load_contents_finish (G_FILE (source_object), res, &file_contents, &file_size, NULL, NULL)) { key_file = g_key_file_new (); g_object_set_data_full (G_OBJECT (box), "keyfile", key_file, (GDestroyNotify)g_key_file_free); if (g_key_file_load_from_data (key_file, file_contents, file_size, 0, NULL)) { create_page (key_file, box); } g_free (file_contents); } g_object_unref (box); } static void fm_ditem_page_create_begin (const char *uri, GtkWidget *box) { GFile *location; location = g_file_new_for_uri (uri); g_object_set_data_full (G_OBJECT (box), "uri", g_strdup (uri), g_free); g_file_load_contents_async (location, NULL, ditem_read_cb, g_object_ref (box)); g_object_unref (location); } GtkWidget * fm_ditem_page_make_box (GtkSizeGroup *label_size_group, GList *files) { CajaFileInfo *info; char *uri; GtkWidget *box; g_assert (fm_ditem_page_should_show (files)); box = gtk_vbox_new (FALSE, 6); g_object_set_data_full (G_OBJECT (box), "label-size-group", label_size_group, (GDestroyNotify) g_object_unref); info = CAJA_FILE_INFO (files->data); uri = caja_file_info_get_uri (info); fm_ditem_page_create_begin (uri, box); g_free (uri); return box; } gboolean fm_ditem_page_should_show (GList *files) { CajaFileInfo *info; if (!files || files->next) { return FALSE; } info = CAJA_FILE_INFO (files->data); if (!caja_file_info_is_mime_type (info, "application/x-desktop")) { return FALSE; } return TRUE; }