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

1 files changed, 440 insertions, 0 deletions

diff --git a/plugins/font/gsd-font-manager.c b/plugins/font/gsd-font-manager.c
new file mode 100644
index 0000000..ed33e1c
--- /dev/null
+++ b/plugins/font/gsd-font-manager.c
@@ -0,0 +1,440 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2007 The MATE Foundation
+ * Copyright (C) 2007 William Jon McCann <[email protected]>
+ *
+ * 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.
+ *
+ */
+
+#include "config.h"
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <dirent.h>
+
+#include <locale.h>
+
+#include <X11/Xatom.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
+#include <gtk/gtk.h>
+#include <mateconf/mateconf.h>
+#include <mateconf/mateconf-client.h>
+
+#include "mate-settings-profile.h"
+#include "gsd-font-manager.h"
+#include "delayed-dialog.h"
+
+static void     gsd_font_manager_class_init  (GsdFontManagerClass *klass);
+static void     gsd_font_manager_init        (GsdFontManager      *font_manager);
+
+G_DEFINE_TYPE (GsdFontManager, gsd_font_manager, G_TYPE_OBJECT)
+
+static gpointer manager_object = NULL;
+
+static void
+update_property (GString *props, const gchar* key, const gchar* value)
+{
+        gchar* needle;
+        size_t needle_len;
+        gchar* found = NULL;
+
+        /* update an existing property */
+        needle = g_strconcat (key, ":", NULL);
+        needle_len = strlen (needle);
+        if (g_str_has_prefix (props->str, needle))
+                found = props->str;
+        else 
+            found = strstr (props->str, needle);
+
+        if (found) {
+                size_t value_index;
+                gchar* end;
+
+                end = strchr (found, '\n');
+                value_index = (found - props->str) + needle_len + 1;
+                g_string_erase (props, value_index, end ? (end - found - needle_len) : -1);
+                g_string_insert (props, value_index, "\n");
+                g_string_insert (props, value_index, value);
+        } else {
+                g_string_append_printf (props, "%s:\t%s\n", key, value);
+        }
+}
+
+static void
+load_xcursor_theme (MateConfClient *client)
+{
+        char       *cursor_theme;
+        int         size;
+        GString    *add_string;
+        Display    *dpy;
+        gchar      numbuf[20];
+
+        mate_settings_profile_start (NULL);
+
+        size = mateconf_client_get_int (client,
+                                     "/desktop/mate/peripherals/mouse/cursor_size",
+                                     NULL);
+        if (size <= 0) {
+                return;
+        }
+
+        cursor_theme = mateconf_client_get_string (client,
+                                                "/desktop/mate/peripherals/mouse/cursor_theme",
+                                                NULL);
+        if (cursor_theme == NULL) {
+                return;
+        }
+
+        /* get existing properties */
+        dpy = XOpenDisplay (NULL);
+        g_return_if_fail (dpy != NULL);
+        add_string = g_string_new (XResourceManagerString (dpy));
+        g_debug("load_xcursor_theme: existing res '%s'", add_string->str);
+
+        update_property (add_string, "Xcursor.theme", cursor_theme);
+        update_property (add_string, "Xcursor.theme_core", "true");
+        g_snprintf (numbuf, sizeof (numbuf), "%i", size);
+        update_property (add_string, "Xcursor.size", numbuf);
+
+        g_debug("load_xcursor_theme: new res '%s'", add_string->str);
+
+        /* Set the new X property */
+        XChangeProperty(dpy, RootWindow (dpy, 0),
+                XA_RESOURCE_MANAGER, XA_STRING, 8, PropModeReplace, add_string->str, add_string->len);
+        XCloseDisplay (dpy);
+
+        g_free (cursor_theme);
+        g_string_free (add_string, TRUE);
+
+        mate_settings_profile_end (NULL);
+}
+
+static char*
+setup_dir (const char *font_dir_name, gboolean create)
+{
+        char *font_dir;
+
+        font_dir = g_build_path (G_DIR_SEPARATOR_S, g_get_home_dir (), ".mate2", "share", font_dir_name, NULL);
+
+        if (create) {
+                if (g_mkdir_with_parents (font_dir, 0755) != 0) {
+                        g_warning ("Cannot create needed directory \"%s\".", font_dir);
+                        g_free (font_dir);
+                        font_dir = NULL;
+                }
+        } else if (! g_file_test (font_dir, G_FILE_TEST_EXISTS)) {
+                g_free (font_dir);
+                font_dir = NULL;
+        }
+
+        return font_dir;
+}
+
+static char *
+empty_check_dir (char *font_dir)
+{
+        char *file_name;
+
+        if (!font_dir)
+                return NULL;
+
+        /* remove the fonts.dir and fonts.scale files that mkfontdir generates. */
+
+        file_name = g_build_filename (G_DIR_SEPARATOR_S, font_dir, "fonts.dir", NULL);
+        unlink (file_name);
+        g_free (file_name);
+
+        file_name = g_build_filename (G_DIR_SEPARATOR_S, font_dir, "fonts.scale", NULL);
+        unlink (file_name);
+        g_free (file_name);
+
+        /* if it's empty, get rid of it. */
+        if (0 == rmdir (font_dir)) {
+                g_free (font_dir);
+                font_dir = NULL;
+        }
+
+        return font_dir;
+}
+
+static char*
+setup_font_dir (MateConfClient *client)
+{
+        return empty_check_dir (setup_dir ("fonts", FALSE));
+}
+
+static char*
+setup_cursor_dir (MateConfClient *client)
+{
+        char          *cursor_dir;
+        char          *cursor_font;
+        DIR           *dir;
+        struct dirent *file_dirent;
+
+        cursor_font = mateconf_client_get_string (client,
+                                               "/desktop/mate/peripherals/mouse/cursor_font",
+                                               NULL);
+        if (cursor_font != NULL) {
+                if (!g_path_is_absolute (cursor_font) ||
+                    !g_file_test (cursor_font, G_FILE_TEST_IS_REGULAR)) {
+                        /* font file is not usable */
+                        g_free (cursor_font);
+                        cursor_font = NULL;
+                }
+        }
+
+        cursor_dir = setup_dir ("cursor-fonts", cursor_font != NULL);
+
+        /* remove previously made symlinks, if any */
+        if (cursor_dir) {
+                dir = opendir (cursor_dir);
+                while ((file_dirent = readdir (dir)) != NULL) {
+                        struct stat st;
+                        char       *link_name;
+
+                        link_name = g_build_filename (cursor_dir, file_dirent->d_name, NULL);
+                        if (lstat (link_name, &st)) {
+                                g_free (link_name);
+                                continue;
+                        }
+                        g_free (link_name);
+
+                        if (S_ISLNK (st.st_mode))
+                                unlink (link_name);
+                }
+                closedir (dir);
+        }
+
+        if (cursor_font && cursor_dir) {
+                char *newpath;
+                char *font_name;
+
+                font_name = strrchr (cursor_font, G_DIR_SEPARATOR);
+                newpath = g_build_filename (cursor_dir, font_name, NULL);
+                symlink (cursor_font, newpath);
+                g_free (newpath);
+                g_free (cursor_font);
+                cursor_font = NULL;
+        } else {
+                cursor_dir = empty_check_dir (cursor_dir);
+        }
+
+        return cursor_dir;
+}
+
+static void
+load_font_paths (MateConfClient *client)
+{
+        char          *font_dir_name;
+        char          *cursor_dir_name;
+
+        char         **font_path;
+        char         **new_font_path;
+        int            n_fonts;
+        int            new_n_fonts;
+
+        int            i;
+
+        const char    *argv[4];
+        int            argc = 0;
+
+        mate_settings_profile_start (NULL);
+
+        font_dir_name = setup_font_dir (client);
+        cursor_dir_name = setup_cursor_dir (client);
+
+        if (font_dir_name == NULL && cursor_dir_name == NULL)
+                goto done;
+
+        /* run mkfontdir */
+        argv[argc++] = "mkfontdir";
+        if (font_dir_name)
+                argv[argc++] = font_dir_name;
+        if (cursor_dir_name)
+                argv[argc++] = cursor_dir_name;
+        argv[argc] = NULL;
+        g_spawn_sync (NULL, /* current dir */
+                      (char **) (void *) argv, NULL /* envp */,
+                      G_SPAWN_SEARCH_PATH,
+                      NULL, NULL, /* child_setup */
+                      NULL, NULL, NULL, NULL);
+
+        /* Set the font path */
+        font_path = XGetFontPath (gdk_x11_get_default_xdisplay (), &n_fonts);
+        new_n_fonts = n_fonts;
+        if (cursor_dir_name && (n_fonts == 0 || strcmp (font_path[0], cursor_dir_name)))
+                new_n_fonts++;
+        if (font_dir_name && (n_fonts == 0 || strcmp (font_path[n_fonts-1], font_dir_name)))
+                new_n_fonts++;
+
+        if (new_n_fonts == n_fonts)
+                new_font_path = font_path;
+        else {
+                new_font_path = g_new0 (char *, new_n_fonts);
+
+                if (cursor_dir_name && (n_fonts == 0 || strcmp (font_path[0], cursor_dir_name))) {
+                        new_font_path[0] = cursor_dir_name;
+                        for (i = 0; i < n_fonts; i++)
+                                new_font_path [i+1] = font_path [i];
+                } else {
+                        for (i = 0; i < n_fonts; i++)
+                                new_font_path [i] = font_path [i];
+                }
+
+                if (font_dir_name && (n_fonts == 0 || strcmp (font_path[n_fonts-1], font_dir_name))) {
+                        new_font_path[new_n_fonts-1] = font_dir_name;
+                }
+        }
+
+        /* We set font path even if it was not changed, to enforce dropping
+         * caches in the server */
+        gdk_error_trap_push ();
+        XSetFontPath (gdk_display, new_font_path, new_n_fonts);
+        gdk_flush ();
+
+        /* if there was an error setting the new path, revert */
+        if (gdk_error_trap_pop ()) {
+                XSetFontPath (gdk_display, font_path, n_fonts);
+        }
+
+        g_free (font_dir_name);
+        g_free (cursor_dir_name);
+
+        if (new_font_path != font_path)
+                g_free (new_font_path);
+
+        XFreeFontPath (font_path);
+
+done:
+        mate_settings_profile_end (NULL);
+}
+
+gboolean
+gsd_font_manager_start (GsdFontManager *manager,
+                        GError        **error)
+{
+        MateConfClient *client;
+
+        g_debug ("Starting font manager");
+        mate_settings_profile_start (NULL);
+
+        client = mateconf_client_get_default ();
+
+        load_xcursor_theme (client);
+        load_font_paths (client);
+
+        g_object_unref (client);
+
+        mate_settings_profile_end (NULL);
+
+        return TRUE;
+}
+
+void
+gsd_font_manager_stop (GsdFontManager *manager)
+{
+        g_debug ("Stopping font manager");
+}
+
+static void
+gsd_font_manager_set_property (GObject        *object,
+                               guint           prop_id,
+                               const GValue   *value,
+                               GParamSpec     *pspec)
+{
+        GsdFontManager *self;
+
+        self = GSD_FONT_MANAGER (object);
+
+        switch (prop_id) {
+        default:
+                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+                break;
+        }
+}
+
+static void
+gsd_font_manager_get_property (GObject        *object,
+                               guint           prop_id,
+                               GValue         *value,
+                               GParamSpec     *pspec)
+{
+        GsdFontManager *self;
+
+        self = GSD_FONT_MANAGER (object);
+
+        switch (prop_id) {
+        default:
+                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+                break;
+        }
+}
+
+static GObject *
+gsd_font_manager_constructor (GType                  type,
+                              guint                  n_construct_properties,
+                              GObjectConstructParam *construct_properties)
+{
+        GsdFontManager      *font_manager;
+        GsdFontManagerClass *klass;
+
+        klass = GSD_FONT_MANAGER_CLASS (g_type_class_peek (GSD_TYPE_FONT_MANAGER));
+
+        font_manager = GSD_FONT_MANAGER (G_OBJECT_CLASS (gsd_font_manager_parent_class)->constructor (type,
+                                                                                                      n_construct_properties,
+                                                                                                      construct_properties));
+
+        return G_OBJECT (font_manager);
+}
+
+static void
+gsd_font_manager_class_init (GsdFontManagerClass *klass)
+{
+        GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+        object_class->get_property = gsd_font_manager_get_property;
+        object_class->set_property = gsd_font_manager_set_property;
+        object_class->constructor = gsd_font_manager_constructor;
+}
+
+static void
+gsd_font_manager_init (GsdFontManager *manager)
+{
+}
+
+GsdFontManager *
+gsd_font_manager_new (void)
+{
+        if (manager_object != NULL) {
+                g_object_ref (manager_object);
+        } else {
+                manager_object = g_object_new (GSD_TYPE_FONT_MANAGER, NULL);
+                g_object_add_weak_pointer (manager_object,
+                                           (gpointer *) &manager_object);
+        }
+
+        return GSD_FONT_MANAGER (manager_object);
+}