moving from https://github.com/perberos/mate-desktop-environment

author: Perberos <[email protected]> 2011-12-01 22:24:23 -0300
committer: Perberos <[email protected]> 2011-12-01 22:24:23 -0300
commit: 0e004c696b0e68b2cff37a4c3315b022a35eaf43 (patch)
tree: 43261e815529cb9518ed7be37af13b846af8b26b /src/file-manager/fm-ditem-page.c
download: caja-0e004c696b0e68b2cff37a4c3315b022a35eaf43.tar.bz2
caja-0e004c696b0e68b2cff37a4c3315b022a35eaf43.tar.xz
1 files changed, 563 insertions, 0 deletions
diff --git a/src/file-manager/fm-ditem-page.c b/src/file-manager/fm-ditem-page.c
new file mode 100644
index 00000000..af88b753
--- /dev/null
+++ b/src/file-manager/fm-ditem-page.c
@@ -0,0 +1,563 @@
+/*
+ * 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 <[email protected]>
+ *
+ */
+
+#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;
+}
+
author	Perberos <[email protected]>	2011-12-01 22:24:23 -0300
committer	Perberos <[email protected]>	2011-12-01 22:24:23 -0300
commit	0e004c696b0e68b2cff37a4c3315b022a35eaf43 (patch)
tree	43261e815529cb9518ed7be37af13b846af8b26b /src/file-manager/fm-ditem-page.c
download	caja-0e004c696b0e68b2cff37a4c3315b022a35eaf43.tar.bz2 caja-0e004c696b0e68b2cff37a4c3315b022a35eaf43.tar.xz