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-rwxr-xr-xgedit/gedit-utils.c1546
1 files changed, 0 insertions, 1546 deletions
diff --git a/gedit/gedit-utils.c b/gedit/gedit-utils.c
deleted file mode 100755
index c34b746f..00000000
--- a/gedit/gedit-utils.c
+++ /dev/null
@@ -1,1546 +0,0 @@
-/*
- * gedit-utils.c
- * This file is part of gedit
- *
- * Copyright (C) 1998, 1999 Alex Roberts, Evan Lawrence
- * Copyright (C) 2000, 2002 Chema Celorio, Paolo Maggi
- * Copyright (C) 2003-2005 Paolo Maggi
- *
- * This program 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 program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-/*
- * Modified by the gedit Team, 1998-2005. See the AUTHORS file for a
- * list of people on the gedit Team.
- * See the ChangeLog files for a list of changes.
- *
- * $Id$
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <fcntl.h>
-#include <string.h>
-
-#include <glib.h>
-#include <glib/gi18n.h>
-#include <gio/gio.h>
-
-#include "gedit-utils.h"
-
-#include "gedit-document.h"
-#include "gedit-prefs-manager.h"
-#include "gedit-debug.h"
-
-/* For the workspace/viewport stuff */
-#ifdef GDK_WINDOWING_X11
-#include <gdk/gdkx.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/Xatom.h>
-#endif
-
-#define STDIN_DELAY_MICROSECONDS 100000
-
-/* Returns true if uri is a file: uri and is not a chained uri */
-gboolean
-gedit_utils_uri_has_file_scheme (const gchar *uri)
-{
- GFile *gfile;
- gboolean res;
-
- gfile = g_file_new_for_uri (uri);
- res = g_file_has_uri_scheme (gfile, "file");
-
- g_object_unref (gfile);
- return res;
-}
-
-/* FIXME: we should check for chained URIs */
-gboolean
-gedit_utils_uri_has_writable_scheme (const gchar *uri)
-{
- GFile *gfile;
- gchar *scheme;
- GSList *writable_schemes;
- gboolean res;
-
- gfile = g_file_new_for_uri (uri);
- scheme = g_file_get_uri_scheme (gfile);
-
- g_return_val_if_fail (scheme != NULL, FALSE);
-
- g_object_unref (gfile);
-
- writable_schemes = gedit_prefs_manager_get_writable_vfs_schemes ();
-
- /* CHECK: should we use g_ascii_strcasecmp? - Paolo (Nov 6, 2005) */
- res = (g_slist_find_custom (writable_schemes,
- scheme,
- (GCompareFunc)strcmp) != NULL);
-
- g_slist_foreach (writable_schemes, (GFunc)g_free, NULL);
- g_slist_free (writable_schemes);
-
- g_free (scheme);
-
- return res;
-}
-
-static void
-widget_get_origin (GtkWidget *widget, gint *x, gint *y)
-
-{
- GdkWindow *window;
-
- window = gtk_widget_get_window (widget);
- gdk_window_get_origin (window, x, y);
-}
-
-void
-gedit_utils_menu_position_under_widget (GtkMenu *menu,
- gint *x,
- gint *y,
- gboolean *push_in,
- gpointer user_data)
-{
- GtkWidget *widget;
- GtkRequisition requisition;
-
- widget = GTK_WIDGET (user_data);
- widget_get_origin (widget, x, y);
-
- gtk_widget_size_request (GTK_WIDGET (menu), &requisition);
-
- if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
- {
- *x += widget->allocation.x + widget->allocation.width - requisition.width;
- }
- else
- {
- *x += widget->allocation.x;
- }
-
- *y += widget->allocation.y + widget->allocation.height;
-
- *push_in = TRUE;
-}
-
-void
-gedit_utils_menu_position_under_tree_view (GtkMenu *menu,
- gint *x,
- gint *y,
- gboolean *push_in,
- gpointer user_data)
-{
- GtkTreeView *tree = GTK_TREE_VIEW (user_data);
- GtkTreeModel *model;
- GtkTreeSelection *selection;
- GtkTreeIter iter;
-
- model = gtk_tree_view_get_model (tree);
- g_return_if_fail (model != NULL);
-
- selection = gtk_tree_view_get_selection (tree);
- g_return_if_fail (selection != NULL);
-
- if (gtk_tree_selection_get_selected (selection, NULL, &iter))
- {
- GtkTreePath *path;
- GdkRectangle rect;
-
- widget_get_origin (GTK_WIDGET (tree), x, y);
-
- path = gtk_tree_model_get_path (model, &iter);
- gtk_tree_view_get_cell_area (tree, path,
- gtk_tree_view_get_column (tree, 0), /* FIXME 0 for RTL ? */
- &rect);
- gtk_tree_path_free (path);
-
- *x += rect.x;
- *y += rect.y + rect.height;
-
- if (gtk_widget_get_direction (GTK_WIDGET (tree)) == GTK_TEXT_DIR_RTL)
- {
- GtkRequisition requisition;
- gtk_widget_size_request (GTK_WIDGET (menu), &requisition);
- *x += rect.width - requisition.width;
- }
- }
- else
- {
- /* no selection -> regular "under widget" positioning */
- gedit_utils_menu_position_under_widget (menu,
- x, y, push_in,
- tree);
- }
-}
-
-/* FIXME: remove this with gtk 2.12, it has gdk_color_to_string */
-gchar *
-gedit_gdk_color_to_string (GdkColor color)
-{
- return g_strdup_printf ("#%04x%04x%04x",
- color.red,
- color.green,
- color.blue);
-}
-
-GtkWidget *
-gedit_gtk_button_new_with_stock_icon (const gchar *label,
- const gchar *stock_id)
-{
- GtkWidget *button;
-
- button = gtk_button_new_with_mnemonic (label);
- gtk_button_set_image (GTK_BUTTON (button),
- gtk_image_new_from_stock (stock_id,
- GTK_ICON_SIZE_BUTTON));
-
- return button;
-}
-
-GtkWidget *
-gedit_dialog_add_button (GtkDialog *dialog,
- const gchar *text,
- const gchar *stock_id,
- gint response_id)
-{
- GtkWidget *button;
-
- g_return_val_if_fail (GTK_IS_DIALOG (dialog), NULL);
- g_return_val_if_fail (text != NULL, NULL);
- g_return_val_if_fail (stock_id != NULL, NULL);
-
- button = gedit_gtk_button_new_with_stock_icon (text, stock_id);
- g_return_val_if_fail (button != NULL, NULL);
-
- GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
-
- gtk_widget_show (button);
-
- gtk_dialog_add_action_widget (dialog, button, response_id);
-
- return button;
-}
-
-/*
- * n: len of the string in bytes
- */
-gboolean
-g_utf8_caselessnmatch (const char *s1, const char *s2, gssize n1, gssize n2)
-{
- gchar *casefold;
- gchar *normalized_s1;
- gchar *normalized_s2;
- gint len_s1;
- gint len_s2;
- gboolean ret = FALSE;
-
- g_return_val_if_fail (s1 != NULL, FALSE);
- g_return_val_if_fail (s2 != NULL, FALSE);
- g_return_val_if_fail (n1 > 0, FALSE);
- g_return_val_if_fail (n2 > 0, FALSE);
-
- casefold = g_utf8_casefold (s1, n1);
- normalized_s1 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
- g_free (casefold);
-
- casefold = g_utf8_casefold (s2, n2);
- normalized_s2 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
- g_free (casefold);
-
- len_s1 = strlen (normalized_s1);
- len_s2 = strlen (normalized_s2);
-
- if (len_s1 < len_s2)
- goto finally_2;
-
- ret = (strncmp (normalized_s1, normalized_s2, len_s2) == 0);
-
-finally_2:
- g_free (normalized_s1);
- g_free (normalized_s2);
-
- return ret;
-}
-
-/**
- * gedit_utils_set_atk_name_description
- * @widget : The Gtk widget for which name/description to be set
- * @name : Atk name string
- * @description : Atk description string
- * Description : This function sets up name and description
- * for a specified gtk widget.
- */
-void
-gedit_utils_set_atk_name_description (GtkWidget *widget,
- const gchar *name,
- const gchar *description)
-{
- AtkObject *aobj;
-
- aobj = gtk_widget_get_accessible (widget);
-
- if (!(GTK_IS_ACCESSIBLE (aobj)))
- return;
-
- if(name)
- atk_object_set_name (aobj, name);
-
- if(description)
- atk_object_set_description (aobj, description);
-}
-
-/**
- * gedit_set_atk__relation
- * @obj1,@obj2 : specified widgets.
- * @rel_type : the type of relation to set up.
- * Description : This function establishes atk relation
- * between 2 specified widgets.
- */
-void
-gedit_utils_set_atk_relation (GtkWidget *obj1,
- GtkWidget *obj2,
- AtkRelationType rel_type )
-{
- AtkObject *atk_obj1, *atk_obj2;
- AtkRelationSet *relation_set;
- AtkObject *targets[1];
- AtkRelation *relation;
-
- atk_obj1 = gtk_widget_get_accessible (obj1);
- atk_obj2 = gtk_widget_get_accessible (obj2);
-
- if (!(GTK_IS_ACCESSIBLE (atk_obj1)) || !(GTK_IS_ACCESSIBLE (atk_obj2)))
- return;
-
- relation_set = atk_object_ref_relation_set (atk_obj1);
- targets[0] = atk_obj2;
-
- relation = atk_relation_new (targets, 1, rel_type);
- atk_relation_set_add (relation_set, relation);
-
- g_object_unref (G_OBJECT (relation));
-}
-
-gboolean
-gedit_utils_uri_exists (const gchar* text_uri)
-{
- GFile *gfile;
- gboolean res;
-
- g_return_val_if_fail (text_uri != NULL, FALSE);
-
- gedit_debug_message (DEBUG_UTILS, "text_uri: %s", text_uri);
-
- gfile = g_file_new_for_uri (text_uri);
- res = g_file_query_exists (gfile, NULL);
-
- g_object_unref (gfile);
-
- gedit_debug_message (DEBUG_UTILS, res ? "TRUE" : "FALSE");
-
- return res;
-}
-
-gchar *
-gedit_utils_escape_search_text (const gchar* text)
-{
- GString *str;
- gint length;
- const gchar *p;
- const gchar *end;
-
- if (text == NULL)
- return NULL;
-
- gedit_debug_message (DEBUG_SEARCH, "Text: %s", text);
-
- length = strlen (text);
-
- /* no escape when typing.
- * The short circuit works only for ascii, but we only
- * care about not escaping a single '\' */
- if (length == 1)
- return g_strdup (text);
-
- str = g_string_new ("");
-
- p = text;
- end = text + length;
-
- while (p != end)
- {
- const gchar *next;
- next = g_utf8_next_char (p);
-
- switch (*p)
- {
- case '\n':
- g_string_append (str, "\\n");
- break;
- case '\r':
- g_string_append (str, "\\r");
- break;
- case '\t':
- g_string_append (str, "\\t");
- break;
- case '\\':
- g_string_append (str, "\\\\");
- break;
- default:
- g_string_append_len (str, p, next - p);
- break;
- }
-
- p = next;
- }
-
- return g_string_free (str, FALSE);
-}
-
-gchar *
-gedit_utils_unescape_search_text (const gchar *text)
-{
- GString *str;
- gint length;
- gboolean drop_prev = FALSE;
- const gchar *cur;
- const gchar *end;
- const gchar *prev;
-
- if (text == NULL)
- return NULL;
-
- length = strlen (text);
-
- str = g_string_new ("");
-
- cur = text;
- end = text + length;
- prev = NULL;
-
- while (cur != end)
- {
- const gchar *next;
- next = g_utf8_next_char (cur);
-
- if (prev && (*prev == '\\'))
- {
- switch (*cur)
- {
- case 'n':
- str = g_string_append (str, "\n");
- break;
- case 'r':
- str = g_string_append (str, "\r");
- break;
- case 't':
- str = g_string_append (str, "\t");
- break;
- case '\\':
- str = g_string_append (str, "\\");
- drop_prev = TRUE;
- break;
- default:
- str = g_string_append (str, "\\");
- str = g_string_append_len (str, cur, next - cur);
- break;
- }
- }
- else if (*cur != '\\')
- {
- str = g_string_append_len (str, cur, next - cur);
- }
- else if ((next == end) && (*cur == '\\'))
- {
- str = g_string_append (str, "\\");
- }
-
- if (!drop_prev)
- {
- prev = cur;
- }
- else
- {
- prev = NULL;
- drop_prev = FALSE;
- }
-
- cur = next;
- }
-
- return g_string_free (str, FALSE);
-}
-
-void
-gedit_warning (GtkWindow *parent, const gchar *format, ...)
-{
- va_list args;
- gchar *str;
- GtkWidget *dialog;
- GtkWindowGroup *wg = NULL;
-
- g_return_if_fail (format != NULL);
-
- if (parent != NULL)
- wg = gtk_window_get_group (parent);
-
- va_start (args, format);
- str = g_strdup_vprintf (format, args);
- va_end (args);
-
- dialog = gtk_message_dialog_new_with_markup (
- parent,
- GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
- GTK_MESSAGE_ERROR,
- GTK_BUTTONS_OK,
- "%s", str);
-
- g_free (str);
-
- if (wg != NULL)
- gtk_window_group_add_window (wg, GTK_WINDOW (dialog));
-
- gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
-
- gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
-
- g_signal_connect (G_OBJECT (dialog),
- "response",
- G_CALLBACK (gtk_widget_destroy),
- NULL);
-
- gtk_widget_show (dialog);
-}
-
-/*
- * Doubles underscore to avoid spurious menu accels.
- */
-gchar *
-gedit_utils_escape_underscores (const gchar* text,
- gssize length)
-{
- GString *str;
- const gchar *p;
- const gchar *end;
-
- g_return_val_if_fail (text != NULL, NULL);
-
- if (length < 0)
- length = strlen (text);
-
- str = g_string_sized_new (length);
-
- p = text;
- end = text + length;
-
- while (p != end)
- {
- const gchar *next;
- next = g_utf8_next_char (p);
-
- switch (*p)
- {
- case '_':
- g_string_append (str, "__");
- break;
- default:
- g_string_append_len (str, p, next - p);
- break;
- }
-
- p = next;
- }
-
- return g_string_free (str, FALSE);
-}
-
-/* the following functions are taken from eel */
-
-static gchar *
-gedit_utils_str_truncate (const gchar *string,
- guint truncate_length,
- gboolean middle)
-{
- GString *truncated;
- guint length;
- guint n_chars;
- guint num_left_chars;
- guint right_offset;
- guint delimiter_length;
- const gchar *delimiter = "\342\200\246";
-
- g_return_val_if_fail (string != NULL, NULL);
-
- length = strlen (string);
-
- g_return_val_if_fail (g_utf8_validate (string, length, NULL), NULL);
-
- /* It doesnt make sense to truncate strings to less than
- * the size of the delimiter plus 2 characters (one on each
- * side)
- */
- delimiter_length = g_utf8_strlen (delimiter, -1);
- if (truncate_length < (delimiter_length + 2)) {
- return g_strdup (string);
- }
-
- n_chars = g_utf8_strlen (string, length);
-
- /* Make sure the string is not already small enough. */
- if (n_chars <= truncate_length) {
- return g_strdup (string);
- }
-
- /* Find the 'middle' where the truncation will occur. */
- if (middle)
- {
- num_left_chars = (truncate_length - delimiter_length) / 2;
- right_offset = n_chars - truncate_length + num_left_chars + delimiter_length;
-
- truncated = g_string_new_len (string,
- g_utf8_offset_to_pointer (string, num_left_chars) - string);
- g_string_append (truncated, delimiter);
- g_string_append (truncated, g_utf8_offset_to_pointer (string, right_offset));
- }
- else
- {
- num_left_chars = truncate_length - delimiter_length;
- truncated = g_string_new_len (string,
- g_utf8_offset_to_pointer (string, num_left_chars) - string);
- g_string_append (truncated, delimiter);
- }
-
- return g_string_free (truncated, FALSE);
-}
-
-gchar *
-gedit_utils_str_middle_truncate (const gchar *string,
- guint truncate_length)
-{
- return gedit_utils_str_truncate (string, truncate_length, TRUE);
-}
-
-gchar *
-gedit_utils_str_end_truncate (const gchar *string,
- guint truncate_length)
-{
- return gedit_utils_str_truncate (string, truncate_length, FALSE);
-}
-
-gchar *
-gedit_utils_make_valid_utf8 (const char *name)
-{
- GString *string;
- const char *remainder, *invalid;
- int remaining_bytes, valid_bytes;
-
- g_return_val_if_fail (name != NULL, NULL);
-
- string = NULL;
- remainder = name;
- remaining_bytes = strlen (name);
-
- while (remaining_bytes != 0) {
- if (g_utf8_validate (remainder, remaining_bytes, &invalid)) {
- break;
- }
- valid_bytes = invalid - remainder;
-
- if (string == NULL) {
- string = g_string_sized_new (remaining_bytes);
- }
- g_string_append_len (string, remainder, valid_bytes);
- /* append U+FFFD REPLACEMENT CHARACTER */
- g_string_append (string, "\357\277\275");
-
- remaining_bytes -= valid_bytes + 1;
- remainder = invalid + 1;
- }
-
- if (string == NULL) {
- return g_strdup (name);
- }
-
- g_string_append (string, remainder);
-
- g_assert (g_utf8_validate (string->str, -1, NULL));
-
- return g_string_free (string, FALSE);
-}
-
-/* Note that this function replace home dir with ~ */
-gchar *
-gedit_utils_uri_get_dirname (const gchar *uri)
-{
- gchar *res;
- gchar *str;
-
- g_return_val_if_fail (uri != NULL, NULL);
-
- /* CHECK: does it work with uri chaining? - Paolo */
- str = g_path_get_dirname (uri);
- g_return_val_if_fail (str != NULL, g_strdup ("."));
-
- if ((strlen (str) == 1) && (*str == '.'))
- {
- g_free (str);
-
- return NULL;
- }
-
- res = gedit_utils_replace_home_dir_with_tilde (str);
-
- g_free (str);
-
- return res;
-}
-
-/**
- * gedit_utils_location_get_dirname_for_display
- * @file: the location
- *
- * Returns a string suitable to be displayed in the UI indicating
- * the name of the directory where the file is located.
- * For remote files it may also contain the hostname etc.
- * For local files it tries to replace the home dir with ~.
- *
- * Returns: a string to display the dirname
- */
-gchar *
-gedit_utils_location_get_dirname_for_display (GFile *location)
-{
- gchar *uri;
- gchar *res;
- GMount *mount;
-
- g_return_val_if_fail (location != NULL, NULL);
-
- /* we use the parse name, that is either the local path
- * or an uri but which is utf8 safe */
- uri = g_file_get_parse_name (location);
-
- /* FIXME: this is sync... is it a problem? */
- mount = g_file_find_enclosing_mount (location, NULL, NULL);
- if (mount != NULL)
- {
- gchar *mount_name;
- gchar *path;
-
- mount_name = g_mount_get_name (mount);
- g_object_unref (mount);
-
- /* obtain the "path" patrt of the uri */
- if (gedit_utils_decode_uri (uri,
- NULL, NULL,
- NULL, NULL,
- &path))
- {
- gchar *dirname;
-
- dirname = gedit_utils_uri_get_dirname (path);
- res = g_strdup_printf ("%s %s", mount_name, dirname);
-
- g_free (path);
- g_free (dirname);
- g_free (mount_name);
- }
- else
- {
- res = mount_name;
- }
- }
- else
- {
- /* fallback for local files or uris without mounts */
- res = gedit_utils_uri_get_dirname (uri);
- }
-
- g_free (uri);
-
- return res;
-}
-
-gchar *
-gedit_utils_replace_home_dir_with_tilde (const gchar *uri)
-{
- gchar *tmp;
- gchar *home;
-
- g_return_val_if_fail (uri != NULL, NULL);
-
- /* Note that g_get_home_dir returns a const string */
- tmp = (gchar *)g_get_home_dir ();
-
- if (tmp == NULL)
- return g_strdup (uri);
-
- home = g_filename_to_utf8 (tmp, -1, NULL, NULL, NULL);
- if (home == NULL)
- return g_strdup (uri);
-
- if (strcmp (uri, home) == 0)
- {
- g_free (home);
-
- return g_strdup ("~");
- }
-
- tmp = home;
- home = g_strdup_printf ("%s/", tmp);
- g_free (tmp);
-
- if (g_str_has_prefix (uri, home))
- {
- gchar *res;
-
- res = g_strdup_printf ("~/%s", uri + strlen (home));
-
- g_free (home);
-
- return res;
- }
-
- g_free (home);
-
- return g_strdup (uri);
-}
-
-/* the following two functions are courtesy of galeon */
-
-/**
- * gedit_utils_get_current_workspace: Get the current workspace
- *
- * Get the currently visible workspace for the #GdkScreen.
- *
- * If the X11 window property isn't found, 0 (the first workspace)
- * is returned.
- */
-guint
-gedit_utils_get_current_workspace (GdkScreen *screen)
-{
-#ifdef GDK_WINDOWING_X11
- GdkWindow *root_win;
- GdkDisplay *display;
- Atom type;
- gint format;
- gulong nitems;
- gulong bytes_after;
- guint *current_desktop;
- gint err, result;
- guint ret = 0;
-
- g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
-
- root_win = gdk_screen_get_root_window (screen);
- display = gdk_screen_get_display (screen);
-
- gdk_error_trap_push ();
- result = XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (root_win),
- gdk_x11_get_xatom_by_name_for_display (display, "_NET_CURRENT_DESKTOP"),
- 0, G_MAXLONG, False, XA_CARDINAL, &type, &format, &nitems,
- &bytes_after, (gpointer) &current_desktop);
- err = gdk_error_trap_pop ();
-
- if (err != Success || result != Success)
- return ret;
-
- if (type == XA_CARDINAL && format == 32 && nitems > 0)
- ret = current_desktop[0];
-
- XFree (current_desktop);
- return ret;
-#else
- /* FIXME: on mac etc proably there are native APIs
- * to get the current workspace etc */
- return 0;
-#endif
-}
-
-/**
- * gedit_utils_get_window_workspace: Get the workspace the window is on
- *
- * This function gets the workspace that the #GtkWindow is visible on,
- * it returns GEDIT_ALL_WORKSPACES if the window is sticky, or if
- * the window manager doesn support this function
- */
-guint
-gedit_utils_get_window_workspace (GtkWindow *gtkwindow)
-{
-#ifdef GDK_WINDOWING_X11
- GdkWindow *window;
- GdkDisplay *display;
- Atom type;
- gint format;
- gulong nitems;
- gulong bytes_after;
- guint *workspace;
- gint err, result;
- guint ret = GEDIT_ALL_WORKSPACES;
-
- g_return_val_if_fail (GTK_IS_WINDOW (gtkwindow), 0);
- g_return_val_if_fail (GTK_WIDGET_REALIZED (GTK_WIDGET (gtkwindow)), 0);
-
- window = gtk_widget_get_window (GTK_WIDGET (gtkwindow));
- display = gdk_drawable_get_display (window);
-
- gdk_error_trap_push ();
- result = XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window),
- gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_DESKTOP"),
- 0, G_MAXLONG, False, XA_CARDINAL, &type, &format, &nitems,
- &bytes_after, (gpointer) &workspace);
- err = gdk_error_trap_pop ();
-
- if (err != Success || result != Success)
- return ret;
-
- if (type == XA_CARDINAL && format == 32 && nitems > 0)
- ret = workspace[0];
-
- XFree (workspace);
- return ret;
-#else
- /* FIXME: on mac etc proably there are native APIs
- * to get the current workspace etc */
- return 0;
-#endif
-}
-
-/**
- * gedit_utils_get_current_viewport: Get the current viewport origin
- *
- * Get the currently visible viewport origin for the #GdkScreen.
- *
- * If the X11 window property isn't found, (0, 0) is returned.
- */
-void
-gedit_utils_get_current_viewport (GdkScreen *screen,
- gint *x,
- gint *y)
-{
-#ifdef GDK_WINDOWING_X11
- GdkWindow *root_win;
- GdkDisplay *display;
- Atom type;
- gint format;
- gulong nitems;
- gulong bytes_after;
- gulong *coordinates;
- gint err, result;
-
- g_return_if_fail (GDK_IS_SCREEN (screen));
- g_return_if_fail (x != NULL && y != NULL);
-
- /* Default values for the viewport origin */
- *x = 0;
- *y = 0;
-
- root_win = gdk_screen_get_root_window (screen);
- display = gdk_screen_get_display (screen);
-
- gdk_error_trap_push ();
- result = XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (root_win),
- gdk_x11_get_xatom_by_name_for_display (display, "_NET_DESKTOP_VIEWPORT"),
- 0, G_MAXLONG, False, XA_CARDINAL, &type, &format, &nitems,
- &bytes_after, (void*) &coordinates);
- err = gdk_error_trap_pop ();
-
- if (err != Success || result != Success)
- return;
-
- if (type != XA_CARDINAL || format != 32 || nitems < 2)
- {
- XFree (coordinates);
- return;
- }
-
- *x = coordinates[0];
- *y = coordinates[1];
- XFree (coordinates);
-#else
- /* FIXME: on mac etc proably there are native APIs
- * to get the current workspace etc */
- *x = 0;
- *y = 0;
-#endif
-}
-
-void
-gedit_utils_activate_url (GtkAboutDialog *about,
- const gchar *url,
- gpointer data)
-{
- gtk_show_uri (gtk_widget_get_screen (GTK_WIDGET (about)), url, GDK_CURRENT_TIME, NULL);
-}
-
-static gboolean
-is_valid_scheme_character (gchar c)
-{
- return g_ascii_isalnum (c) || c == '+' || c == '-' || c == '.';
-}
-
-static gboolean
-has_valid_scheme (const gchar *uri)
-{
- const gchar *p;
-
- p = uri;
-
- if (!is_valid_scheme_character (*p)) {
- return FALSE;
- }
-
- do {
- p++;
- } while (is_valid_scheme_character (*p));
-
- return *p == ':';
-}
-
-gboolean
-gedit_utils_is_valid_uri (const gchar *uri)
-{
- const guchar *p;
-
- if (uri == NULL)
- return FALSE;
-
- if (!has_valid_scheme (uri))
- return FALSE;
-
- /* We expect to have a fully valid set of characters */
- for (p = (const guchar *)uri; *p; p++) {
- if (*p == '%')
- {
- ++p;
- if (!g_ascii_isxdigit (*p))
- return FALSE;
-
- ++p;
- if (!g_ascii_isxdigit (*p))
- return FALSE;
- }
- else
- {
- if (*p <= 32 || *p >= 128)
- return FALSE;
- }
- }
-
- return TRUE;
-}
-
-static GtkWidget *
-handle_builder_error (const gchar *message, ...)
-{
- GtkWidget *label;
- gchar *msg;
- gchar *msg_plain;
- va_list args;
-
- va_start (args, message);
- msg_plain = g_strdup_vprintf (message, args);
- va_end (args);
-
- label = gtk_label_new (NULL);
- gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
-
- msg = g_strconcat ("<span size=\"large\" weight=\"bold\">",
- msg_plain, "</span>\n\n",
- _("Please check your installation."),
- NULL);
-
- gtk_label_set_markup (GTK_LABEL (label), msg);
-
- g_free (msg_plain);
- g_free (msg);
-
- gtk_misc_set_padding (GTK_MISC (label), 5, 5);
-
- return label;
-}
-
-/**
- * gedit_utils_get_ui_objects:
- * @filename: the path to the gtk builder file
- * @root_objects: a NULL terminated list of root objects to load or NULL to
- * load all objects
- * @error_widget: a pointer were a #GtkLabel
- * @object_name: the name of the first object
- * @...: a pointer were the first object is returned, followed by more
- * name / object pairs and terminated by NULL.
- *
- * This function gets the requested objects from a GtkBuilder ui file. In case
- * of error it returns FALSE and sets error_widget to a GtkLabel containing
- * the error message to display.
- *
- * Returns FALSE if an error occurs, TRUE on success.
- */
-gboolean
-gedit_utils_get_ui_objects (const gchar *filename,
- gchar **root_objects,
- GtkWidget **error_widget,
- const gchar *object_name,
- ...)
-{
-
- GtkBuilder *builder;
- va_list args;
- const gchar *name;
- GError *error = NULL;
- gchar *filename_markup;
- gboolean ret = TRUE;
-
- g_return_val_if_fail (filename != NULL, FALSE);
- g_return_val_if_fail (error_widget != NULL, FALSE);
- g_return_val_if_fail (object_name != NULL, FALSE);
-
- filename_markup = g_markup_printf_escaped ("<i>%s</i>", filename);
- *error_widget = NULL;
-
- builder = gtk_builder_new ();
-
- if (root_objects != NULL)
- {
- gtk_builder_add_objects_from_file (builder,
- filename,
- root_objects,
- &error);
- }
- else
- {
- gtk_builder_add_from_file (builder,
- filename,
- &error);
- }
-
- if (error != NULL)
- {
- *error_widget = handle_builder_error (_("Unable to open UI file %s. Error: %s"),
- filename_markup,
- error->message);
- g_error_free (error);
- g_free (filename_markup);
- g_object_unref (builder);
-
- return FALSE;
- }
-
- va_start (args, object_name);
- for (name = object_name; name; name = va_arg (args, const gchar *) )
- {
- GObject **gobj;
-
- gobj = va_arg (args, GObject **);
- *gobj = gtk_builder_get_object (builder, name);
-
- if (!*gobj)
- {
- *error_widget = handle_builder_error (_("Unable to find the object '%s' inside file %s."),
- name,
- filename_markup),
- ret = FALSE;
- break;
- }
-
- /* we return a new ref for the root objects,
- * the others are already reffed by their parent root object */
- if (root_objects != NULL)
- {
- gint i;
-
- for (i = 0; root_objects[i] != NULL; ++i)
- {
- if ((strcmp (name, root_objects[i]) == 0))
- {
- g_object_ref (*gobj);
- }
- }
- }
- }
- va_end (args);
-
- g_free (filename_markup);
- g_object_unref (builder);
-
- return ret;
-}
-
-gchar *
-gedit_utils_make_canonical_uri_from_shell_arg (const gchar *str)
-{
- GFile *gfile;
- gchar *uri;
-
- g_return_val_if_fail (str != NULL, NULL);
- g_return_val_if_fail (*str != '\0', NULL);
-
- /* Note for the future:
- * FIXME: is still still relevant?
- *
- * <federico> paolo: and flame whoever tells
- * you that file:///mate/test_files/hëllò
- * doesn't work --- that's not a valid URI
- *
- * <paolo> federico: well, another solution that
- * does not requires patch to _from_shell_args
- * is to check that the string returned by it
- * contains only ASCII chars
- * <federico> paolo: hmmmm, isn't there
- * mate_vfs_is_uri_valid() or something?
- * <paolo>: I will use gedit_utils_is_valid_uri ()
- *
- */
-
- gfile = g_file_new_for_commandline_arg (str);
- uri = g_file_get_uri (gfile);
- g_object_unref (gfile);
-
- if (gedit_utils_is_valid_uri (uri))
- return uri;
-
- g_free (uri);
- return NULL;
-}
-
-/**
- * gedit_utils_file_has_parent:
- * @gfile: the GFile to check the parent for
- *
- * Return TRUE if the specified gfile has a parent (is not the root), FALSE
- * otherwise
- */
-gboolean
-gedit_utils_file_has_parent (GFile *gfile)
-{
- GFile *parent;
- gboolean ret;
-
- parent = g_file_get_parent (gfile);
- ret = parent != NULL;
-
- if (parent)
- g_object_unref (parent);
-
- return ret;
-}
-
-/**
- * gedit_utils_basename_for_display:
- * @uri: uri for which the basename should be displayed
- *
- * Return the basename of a file suitable for display to users.
- */
-gchar *
-gedit_utils_basename_for_display (gchar const *uri)
-{
- gchar *name;
- GFile *gfile;
- gchar *hn;
-
- g_return_val_if_fail (uri != NULL, NULL);
-
- gfile = g_file_new_for_uri (uri);
-
- /* First, try to query the display name, but only on local files */
- if (g_file_has_uri_scheme (gfile, "file"))
- {
- GFileInfo *info;
- info = g_file_query_info (gfile,
- G_FILE_ATTRIBUTE_STANDARD_DISPLAY_NAME,
- G_FILE_QUERY_INFO_NONE,
- NULL,
- NULL);
-
- if (info)
- {
- /* Simply get the display name to use as the basename */
- name = g_strdup (g_file_info_get_display_name (info));
- g_object_unref (info);
- }
- else
- {
- /* This is a local file, and therefore we will use
- * g_filename_display_basename on the local path */
- gchar *local_path;
-
- local_path = g_file_get_path (gfile);
- name = g_filename_display_basename (local_path);
- g_free (local_path);
- }
- }
- else if (gedit_utils_file_has_parent (gfile) || !gedit_utils_decode_uri (uri, NULL, NULL, &hn, NULL, NULL))
- {
- /* For remote files with a parent (so not just http://foo.com)
- or remote file for which the decoding of the host name fails,
- use the _parse_name and take basename of that */
- gchar *parse_name;
- gchar *base;
-
- parse_name = g_file_get_parse_name (gfile);
- base = g_filename_display_basename (parse_name);
- name = g_uri_unescape_string (base, NULL);
-
- g_free (base);
- g_free (parse_name);
- }
- else
- {
- /* display '/ on <host>' using the decoded host */
- gchar *hn_utf8;
-
- if (hn != NULL)
- hn_utf8 = gedit_utils_make_valid_utf8 (hn);
- else
- /* we should never get here */
- hn_utf8 = g_strdup ("?");
-
- /* Translators: '/ on <remote-share>' */
- name = g_strdup_printf (_("/ on %s"), hn_utf8);
-
- g_free (hn_utf8);
- g_free (hn);
- }
-
- g_object_unref (gfile);
-
- return name;
-}
-
-/**
- * gedit_utils_uri_for_display:
- * @uri: uri to be displayed.
- *
- * Filter, modify, unescape and change @uri to make it appropriate
- * for display to users.
- *
- * This function is a convenient wrapper for g_file_get_parse_name
- *
- * Return value: a string which represents @uri and can be displayed.
- */
-gchar *
-gedit_utils_uri_for_display (const gchar *uri)
-{
- GFile *gfile;
- gchar *parse_name;
-
- gfile = g_file_new_for_uri (uri);
- parse_name = g_file_get_parse_name (gfile);
- g_object_unref (gfile);
-
- return parse_name;
-}
-
-/**
- * gedit_utils_drop_get_uris:
- * @selection_data: the #GtkSelectionData from drag_data_received
- * @info: the info from drag_data_received
- *
- * Create a list of valid uri's from a uri-list drop.
- *
- * Return value: a string array which will hold the uris or NULL if there
- * were no valid uris. g_strfreev should be used when the
- * string array is no longer used
- */
-gchar **
-gedit_utils_drop_get_uris (GtkSelectionData *selection_data)
-{
- gchar **uris;
- gint i;
- gint p = 0;
- gchar **uri_list;
-
- uris = g_uri_list_extract_uris ((gchar *) gtk_selection_data_get_data (selection_data));
- uri_list = g_new0(gchar *, g_strv_length (uris) + 1);
-
- for (i = 0; uris[i] != NULL; i++)
- {
- gchar *uri;
-
- uri = gedit_utils_make_canonical_uri_from_shell_arg (uris[i]);
-
- /* Silently ignore malformed URI/filename */
- if (uri != NULL)
- uri_list[p++] = uri;
- }
-
- if (*uri_list == NULL)
- {
- g_free(uri_list);
- return NULL;
- }
-
- return uri_list;
-}
-
-static void
-null_ptr (gchar **ptr)
-{
- if (ptr)
- *ptr = NULL;
-}
-
-/**
- * gedit_utils_decode_uri:
- * @uri: the uri to decode
- * @scheme: return value pointer for the uri's scheme (e.g. http, sftp, ...)
- * @user: return value pointer for the uri user info
- * @port: return value pointer for the uri port
- * @host: return value pointer for the uri host
- * @path: return value pointer for the uri path
- *
- * Parse and break an uri apart in its individual components like the uri
- * scheme, user info, port, host and path. The return value pointer can be
- * NULL to ignore certain parts of the uri. If the function returns TRUE, then
- * all return value pointers should be freed using g_free
- *
- * Return value: TRUE if the uri could be properly decoded, FALSE otherwise.
- */
-gboolean
-gedit_utils_decode_uri (const gchar *uri,
- gchar **scheme,
- gchar **user,
- gchar **host,
- gchar **port,
- gchar **path
-)
-{
- /* Largely copied from glib/gio/gdummyfile.c:_g_decode_uri. This
- * functionality should be in glib/gio, but for now we implement it
- * ourselves (see bug #546182) */
-
- const char *p, *in, *hier_part_start, *hier_part_end;
- char *out;
- char c;
-
- /* From RFC 3986 Decodes:
- * URI = scheme ":" hier-part [ "?" query ] [ "#" fragment ]
- */
-
- p = uri;
-
- null_ptr (scheme);
- null_ptr (user);
- null_ptr (port);
- null_ptr (host);
- null_ptr (path);
-
- /* Decode scheme:
- * scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )
- */
-
- if (!g_ascii_isalpha (*p))
- return FALSE;
-
- while (1)
- {
- c = *p++;
-
- if (c == ':')
- break;
-
- if (!(g_ascii_isalnum(c) ||
- c == '+' ||
- c == '-' ||
- c == '.'))
- return FALSE;
- }
-
- if (scheme)
- {
- *scheme = g_malloc (p - uri);
- out = *scheme;
-
- for (in = uri; in < p - 1; in++)
- *out++ = g_ascii_tolower (*in);
-
- *out = '\0';
- }
-
- hier_part_start = p;
- hier_part_end = p + strlen (p);
-
- if (hier_part_start[0] == '/' && hier_part_start[1] == '/')
- {
- const char *authority_start, *authority_end;
- const char *userinfo_start, *userinfo_end;
- const char *host_start, *host_end;
- const char *port_start;
-
- authority_start = hier_part_start + 2;
- /* authority is always followed by / or nothing */
- authority_end = memchr (authority_start, '/', hier_part_end - authority_start);
-
- if (authority_end == NULL)
- authority_end = hier_part_end;
-
- /* 3.2:
- * authority = [ userinfo "@" ] host [ ":" port ]
- */
-
- userinfo_end = memchr (authority_start, '@', authority_end - authority_start);
-
- if (userinfo_end)
- {
- userinfo_start = authority_start;
-
- if (user)
- *user = g_uri_unescape_segment (userinfo_start, userinfo_end, NULL);
-
- if (user && *user == NULL)
- {
- if (scheme)
- g_free (*scheme);
-
- return FALSE;
- }
-
- host_start = userinfo_end + 1;
- }
- else
- host_start = authority_start;
-
- port_start = memchr (host_start, ':', authority_end - host_start);
-
- if (port_start)
- {
- host_end = port_start++;
-
- if (port)
- *port = g_strndup (port_start, authority_end - port_start);
- }
- else
- host_end = authority_end;
-
- if (host)
- *host = g_strndup (host_start, host_end - host_start);
-
- hier_part_start = authority_end;
- }
-
- if (path)
- *path = g_uri_unescape_segment (hier_part_start, hier_part_end, "/");
-
- return TRUE;
-}