577 lines
17 KiB
C
577 lines
17 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
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/* Copyright (C) 1998 Redhat Software Inc.
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* Code available under the Gnu GPL.
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* Authors: Owen Taylor <otaylor@redhat.com>,
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* Bradford Hovinen <hovinen@helixcode.com>
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*/
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#include <sys/types.h>
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#include <dirent.h>
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#include <unistd.h>
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#include <ctype.h>
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#include <libgnome/libgnome.h>
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#include <gconf/gconf-client.h>
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#include <string.h>
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#include "wm-properties.h"
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#define CONFIG_PREFIX "/desktop/gnome/applications/window_manager"
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/* Current list of window managers */
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GList *window_managers = NULL;
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/* List on startup */
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static GList *window_managers_save = NULL;
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/* Current window manager */
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static WindowManager *current_wm = NULL;
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/* Window manager on startup */
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static WindowManager *current_wm_save = NULL;
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static gboolean xml_read_bool (xmlNodePtr node);
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static xmlNodePtr xml_write_bool (gchar *name,
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gboolean value);
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gboolean
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is_blank (gchar *str)
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{
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while (*str) {
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if (!isspace(*str))
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return FALSE;
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str++;
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}
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return TRUE;
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}
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static gint
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wm_compare (gconstpointer a, gconstpointer b)
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{
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const WindowManager *wm_a = (const WindowManager *)a;
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const WindowManager *wm_b = (const WindowManager *)b;
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return g_ascii_strcasecmp (gnome_desktop_item_get_string (wm_a->dentry, GNOME_DESKTOP_ITEM_NAME), gnome_desktop_item_get_string (wm_b->dentry, GNOME_DESKTOP_ITEM_NAME));
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}
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static void
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wm_free (WindowManager *wm)
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{
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gnome_desktop_item_unref (wm->dentry);
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g_free (wm->config_exec);
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g_free (wm->config_tryexec);;
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g_free (wm);
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}
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void
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wm_check_present (WindowManager *wm)
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{
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gchar *path;
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if (gnome_desktop_item_get_string (wm->dentry, GNOME_DESKTOP_ITEM_EXEC)) {
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if (gnome_desktop_item_get_string (wm->dentry, GNOME_DESKTOP_ITEM_TRY_EXEC)) {
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path = gnome_is_program_in_path (gnome_desktop_item_get_string (wm->dentry, GNOME_DESKTOP_ITEM_TRY_EXEC));
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wm->is_present = (path != NULL);
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if (path)
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g_free (path);
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} else
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wm->is_present = TRUE;
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} else
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wm->is_present = FALSE;
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if (wm->config_exec) {
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if (wm->config_tryexec) {
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path = gnome_is_program_in_path (wm->config_tryexec);
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wm->is_config_present = (path != NULL);
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if (path)
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g_free (path);
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} else {
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path = gnome_is_program_in_path (wm->config_exec);
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wm->is_config_present = (path != NULL);
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if (path)
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g_free (path);
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}
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} else
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wm->is_config_present = FALSE;
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}
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static WindowManager *
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wm_copy (WindowManager *wm)
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{
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WindowManager *result = g_new (WindowManager, 1);
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result->dentry = gnome_desktop_item_copy (wm->dentry);
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result->config_exec = g_strdup (wm->config_exec);
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result->config_tryexec = g_strdup (wm->config_tryexec);
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result->session_managed = wm->session_managed;
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result->is_user = wm->is_user;
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result->is_present = wm->is_present;
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result->is_config_present = wm->is_config_present;
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return result;
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}
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static WindowManager *
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wm_list_find (GList *list, const char *name)
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{
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GList *tmp_list = list;
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while (tmp_list) {
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WindowManager *wm = tmp_list->data;
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if (strcmp (gnome_desktop_item_get_string (wm->dentry, GNOME_DESKTOP_ITEM_EXEC), name) == 0)
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return wm;
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tmp_list = tmp_list->next;
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}
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return NULL;
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}
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static WindowManager *
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wm_list_find_exec (GList *list, const char *name)
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{
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GList *tmp_list = list;
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while (tmp_list) {
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WindowManager *wm = tmp_list->data;
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if (!gnome_desktop_item_get_string (wm->dentry, GNOME_DESKTOP_ITEM_EXEC))
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continue;
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if (strcmp (gnome_desktop_item_get_string (wm->dentry, GNOME_DESKTOP_ITEM_EXEC), name) == 0)
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return wm;
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tmp_list = tmp_list->next;
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}
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return NULL;
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}
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static GList *
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wm_list_find_files (gchar *directory)
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{
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DIR *dir;
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struct dirent *child;
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GList *result = NULL;
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gchar *suffix;
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dir = opendir (directory);
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if (dir == NULL)
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return NULL;
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while ((child = readdir (dir)) != NULL) {
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/* Ignore files without .desktop suffix, and ignore
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* .desktop files with no prefix
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*/
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suffix = child->d_name + strlen (child->d_name) - 8;
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/* strlen(".desktop") == 8 */
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if (suffix <= child->d_name ||
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strcmp (suffix, ".desktop") != 0)
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continue;
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result = g_list_prepend (result,
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g_concat_dir_and_file (directory,
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child->d_name));
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}
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closedir (dir);
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return result;
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}
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static void
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wm_list_read_dir (gchar *directory, gboolean is_user)
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{
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WindowManager *wm;
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GList *tmp_list;
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GList *files;
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gchar *prefix;
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files = wm_list_find_files (directory);
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tmp_list = files;
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while (tmp_list) {
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wm = g_new (WindowManager, 1);
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wm->dentry = gnome_desktop_item_new_from_file (tmp_list->data, GNOME_DESKTOP_ITEM_TYPE_APPLICATION, NULL);
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gnome_desktop_item_set_entry_type (wm->dentry, GNOME_DESKTOP_ITEM_TYPE_APPLICATION);
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if (!wm->dentry) {
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g_free (wm);
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tmp_list = tmp_list->next;
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continue;
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}
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prefix = g_strconcat ("=", gnome_desktop_item_get_location (wm->dentry), "=/Window Manager/", NULL);
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gnome_config_push_prefix (prefix);
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g_free (prefix);
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wm->config_exec = gnome_config_get_string ("ConfigExec");
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wm->config_tryexec = gnome_config_get_string ("ConfigTryExec");
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wm->session_managed = gnome_config_get_bool ("SessionManaged=0");
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wm->is_user = is_user;
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if (wm->config_exec && is_blank (wm->config_exec)) {
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g_free (wm->config_exec);
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wm->config_exec = NULL;
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}
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if (wm->config_tryexec && is_blank (wm->config_tryexec)) {
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g_free (wm->config_tryexec);
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wm->config_tryexec = NULL;
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}
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gnome_config_pop_prefix ();
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wm_check_present (wm);
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if (gnome_desktop_item_get_string (wm->dentry, GNOME_DESKTOP_ITEM_NAME) && gnome_desktop_item_get_string (wm->dentry, GNOME_DESKTOP_ITEM_EXEC) &&
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(wm->is_user || wm->is_present)) {
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window_managers =
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g_list_insert_sorted (window_managers,
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wm,
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wm_compare);
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window_managers_save =
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g_list_insert_sorted (window_managers_save,
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wm_copy (wm),
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wm_compare);
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} else {
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wm_free (wm);
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}
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tmp_list = tmp_list->next;
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}
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g_list_free (files);
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}
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void
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wm_list_init (void)
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{
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gchar *tempdir;
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gchar *name;
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GConfClient *client;
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tempdir = gnome_unconditional_datadir_file ("gnome/wm-properties/");
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wm_list_read_dir (tempdir, FALSE);
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g_free (tempdir);
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tempdir = gnome_util_home_file("wm-properties/");
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wm_list_read_dir (tempdir, TRUE);
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g_free (tempdir);
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client = gconf_client_get_default ();
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name = gconf_client_get_string (client, CONFIG_PREFIX "/current", NULL);
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if (name) {
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current_wm = wm_list_find (window_managers, name);
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g_free (name);
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}
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if (!current_wm) {
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name = gconf_client_get_string (client, CONFIG_PREFIX "/default", NULL);
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if (name) {
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current_wm = wm_list_find_exec (window_managers, name);
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g_free (name);
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}
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}
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if (!current_wm) {
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gchar *wmfile, *prefix;
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wmfile = gnome_unconditional_datadir_file ("default.wm");
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prefix = g_strconcat ("=", wmfile, "=/Default/WM", NULL);
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name = gnome_config_get_string (prefix);
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g_free (wmfile);
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g_free (prefix);
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if (name) {
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current_wm = wm_list_find_exec (window_managers, name);
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g_free (name);
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}
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}
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if (!current_wm && window_managers)
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current_wm = window_managers->data;
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if(current_wm)
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current_wm_save = wm_list_find (window_managers_save, gnome_desktop_item_get_string (current_wm->dentry, GNOME_DESKTOP_ITEM_NAME));
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g_object_unref (G_OBJECT (client));
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}
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void
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wm_list_save (void)
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{
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GList *old_files;
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GList *tmp_list;
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gchar *tempdir;
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gchar *prefix;
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WindowManager *wm;
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/* Clean out the current contents of .gnome/wm-desktops
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*/
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tempdir = gnome_util_home_file("wm-properties/");
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old_files = wm_list_find_files (tempdir);
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g_free (tempdir);
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tmp_list = old_files;
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while (tmp_list) {
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prefix = g_strconcat ("=", tmp_list->data, "=", NULL);
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gnome_config_clean_file (prefix);
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gnome_config_sync_file (prefix);
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g_free (prefix);
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tmp_list = tmp_list->next;
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}
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g_list_free (old_files);
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/* Save the user's desktops
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*/
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tmp_list = window_managers;
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while (tmp_list) {
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wm = tmp_list->data;
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if (wm->is_user) {
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gnome_desktop_item_save (wm->dentry, NULL, TRUE, NULL);
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prefix = g_strconcat ("=", gnome_desktop_item_get_location (wm->dentry), "=/Window Manager/", NULL);
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gnome_config_push_prefix (prefix);
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g_free (prefix);
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if (wm->config_exec)
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gnome_config_set_string ("ConfigExec", wm->config_exec);
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if (wm->config_tryexec)
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gnome_config_set_string ("ConfigTryExec", wm->config_tryexec);
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gnome_config_set_bool ("SessionManaged=0", wm->session_managed);
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gnome_config_pop_prefix ();
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}
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tmp_list = tmp_list->next;
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}
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/* Save the current window manager
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*/
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if(current_wm)
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{
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GConfClient *client = gconf_client_get_default ();
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gconf_client_set_string (client, CONFIG_PREFIX "/current",
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gnome_desktop_item_get_string (current_wm->dentry, GNOME_DESKTOP_ITEM_EXEC),
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NULL);
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g_object_unref (G_OBJECT (client));
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}
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gnome_config_sync ();
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}
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void
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wm_list_revert (void)
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{
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GList *tmp_list;
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gchar *old_name = NULL;
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if(current_wm)
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old_name = g_strdup (gnome_desktop_item_get_string (current_wm->dentry, GNOME_DESKTOP_ITEM_NAME));
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g_list_foreach (window_managers, (GFunc)wm_free, NULL);
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g_list_free (window_managers);
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window_managers = NULL;
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tmp_list = window_managers_save;
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while (tmp_list) {
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window_managers = g_list_prepend (window_managers,
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wm_copy (tmp_list->data));
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tmp_list = tmp_list->next;
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}
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window_managers = g_list_reverse (window_managers);
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current_wm = wm_list_find (window_managers, old_name);
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g_free (old_name);
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}
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void
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wm_list_add (WindowManager *wm)
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{
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g_return_if_fail (wm != NULL);
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window_managers = g_list_insert_sorted (window_managers, wm,
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wm_compare);
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}
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void
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wm_list_delete (WindowManager *wm)
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{
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GList *node;
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g_return_if_fail (wm != NULL);
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g_return_if_fail (wm != current_wm);
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node = g_list_find (window_managers, wm);
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g_return_if_fail (node != NULL);
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window_managers = g_list_remove_link (window_managers, node);
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g_list_free_1 (node);
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wm_free (wm);
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}
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void
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wm_list_set_current (WindowManager *wm)
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{
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current_wm = wm;
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}
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WindowManager *
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wm_list_get_current (void)
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{
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return current_wm;
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}
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WindowManager *
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wm_list_get_revert (void)
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{
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if(current_wm_save)
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return wm_list_find (window_managers, gnome_desktop_item_get_string (current_wm_save->dentry, GNOME_DESKTOP_ITEM_NAME));
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else
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return NULL;
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}
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static WindowManager *
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wm_read_from_xml (xmlNodePtr wm_node)
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{
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xmlNodePtr node;
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WindowManager *wm;
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gboolean is_current = FALSE;
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if (strcmp (wm_node->name, "window-manager")) return NULL;
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wm = g_new0 (WindowManager, 1);
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wm->dentry = gnome_desktop_item_new_from_file
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(xmlGetProp (wm_node, "desktop-entry"),
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GNOME_DESKTOP_ITEM_TYPE_APPLICATION, NULL);
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gnome_desktop_item_set_entry_type (wm->dentry, GNOME_DESKTOP_ITEM_TYPE_APPLICATION);
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for (node = wm_node->children; node; node = node->next) {
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if (!strcmp (node->name, "config-exec"))
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wm->config_exec = xmlNodeGetContent (node);
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else if (!strcmp (node->name, "config-tryexec"))
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wm->config_tryexec = xmlNodeGetContent (node);
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else if (!strcmp (node->name, "session-managed"))
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wm->session_managed = xml_read_bool (node);
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else if (!strcmp (node->name, "is-user"))
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wm->is_user = xml_read_bool (node);
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else if (!strcmp (node->name, "is-current"))
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is_current = xml_read_bool (node); /* FIXME: sanity check */
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}
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wm_check_present (wm);
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if (wm->dentry == NULL ||
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(wm->config_exec != NULL && is_blank (wm->config_exec)) ||
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gnome_desktop_item_get_string (wm->dentry, GNOME_DESKTOP_ITEM_NAME) == NULL || gnome_desktop_item_get_string (wm->dentry, GNOME_DESKTOP_ITEM_EXEC) == NULL ||
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!(wm->is_user || wm->is_present))
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{
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g_free (wm);
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return NULL;
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}
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if (is_current) current_wm = wm;
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return wm;
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}
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void
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wm_list_read_from_xml (xmlDocPtr doc)
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{
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xmlNodePtr root_node, node;
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WindowManager *wm;
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root_node = xmlDocGetRootElement (doc);
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if (strcmp (root_node->name, "wm-prefs")) return;
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for (node = root_node; node; node = node->next) {
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if (!strcmp (node->name, "window-manager")) {
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wm = wm_read_from_xml (node);
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if (wm) window_managers =
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g_list_insert_sorted
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(window_managers, wm, wm_compare);
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}
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}
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}
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static xmlNodePtr
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wm_write_to_xml (WindowManager *wm)
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{
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xmlNodePtr node;
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node = xmlNewNode (NULL, "window-manager");
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xmlNewProp (node, "desktop-entry", gnome_desktop_item_get_location (wm->dentry));
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if (wm->config_exec != NULL)
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xmlNewChild (node, NULL, "config-exec", wm->config_exec);
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xmlAddChild (node, xml_write_bool ("session-managed",
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wm->session_managed));
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xmlAddChild (node, xml_write_bool ("is-user", wm->is_user));
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xmlAddChild (node, xml_write_bool ("is-current", wm == current_wm));
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return node;
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}
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xmlDocPtr
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wm_list_write_to_xml (void)
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{
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xmlDocPtr doc;
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xmlNodePtr root_node, node;
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GList *wm_node;
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doc = xmlNewDoc ("1.0");
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root_node = xmlNewDocNode (doc, NULL, "wm-prefs", NULL);
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for (wm_node = window_managers; wm_node; wm_node = wm_node->next) {
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node = wm_write_to_xml ((WindowManager *) wm_node->data);
|
|
if (node) xmlAddChild (root_node, node);
|
|
}
|
|
|
|
xmlDocSetRootElement (doc, root_node);
|
|
|
|
return doc;
|
|
}
|
|
|
|
/* Read a boolean value from a node */
|
|
|
|
static gboolean
|
|
xml_read_bool (xmlNodePtr node)
|
|
{
|
|
char *text;
|
|
|
|
text = xmlNodeGetContent (node);
|
|
|
|
if (!g_ascii_strcasecmp (text, "true"))
|
|
return TRUE;
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
/* Write out a boolean value in a node */
|
|
|
|
static xmlNodePtr
|
|
xml_write_bool (gchar *name, gboolean value)
|
|
{
|
|
xmlNodePtr node;
|
|
|
|
g_return_val_if_fail (name != NULL, NULL);
|
|
|
|
node = xmlNewNode (NULL, name);
|
|
|
|
if (value)
|
|
xmlNodeSetContent (node, "true");
|
|
else
|
|
xmlNodeSetContent (node, "false");
|
|
|
|
return node;
|
|
}
|