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Diffstat (limited to 'gedit/gedit-utils.c')
| -rwxr-xr-x | gedit/gedit-utils.c | 1546 |
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) ¤t_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; -} |