diff options
Diffstat (limited to 'libwindow-settings/mate-wm-manager.c')
| -rw-r--r-- | libwindow-settings/mate-wm-manager.c | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/libwindow-settings/mate-wm-manager.c b/libwindow-settings/mate-wm-manager.c new file mode 100644 index 00000000..04097146 --- /dev/null +++ b/libwindow-settings/mate-wm-manager.c @@ -0,0 +1,320 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */ + +/* mate-wm-manager.c + * Copyright (C) 2002 Seth Nickell + * Copyright (C) 1998, 2002 Red Hat, Inc. + * + * Written by: Seth Nickell <[email protected]>, + * Havoc Pennington <[email protected]> + * Owen Taylor <[email protected]>, + * Bradford Hovinen <[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, 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 "mate-wm-manager.h" + +#include <glib.h> +#include <glib/gi18n.h> +#include <gdk/gdk.h> +#include <gdk/gdkx.h> + +#include <sys/types.h> +#include <dirent.h> +#include <string.h> + +typedef struct { + MateDesktopItem *ditem; + char *name; /* human readable, localized */ + char *identify_name; /* name we expect to be set on the screen */ + char *exec; + char *config_exec; + char *config_tryexec; + char *module; + guint session_managed : 1; + guint is_user : 1; + guint is_present : 1; + guint is_config_present : 1; + MateWindowManager *mate_wm; +} AvailableWindowManager; + +static gboolean done_scan = FALSE; +static GList *available_wms; + +static void +wm_free (AvailableWindowManager *wm) +{ + g_free (wm->name); + g_free (wm->exec); + g_free (wm->config_exec); + g_free (wm->config_tryexec); + g_free (wm->module); + g_free (wm->identify_name); + + g_free (wm); +} + +static GList * +list_desktop_files_in_dir (gchar *directory) +{ + DIR *dir; + struct dirent *child; + GList *result = NULL; + gchar *suffix; + + dir = opendir (directory); + if (dir == NULL) + return NULL; + + while ((child = readdir (dir)) != NULL) { + /* Ignore files without .desktop suffix, and ignore + * .desktop files with no prefix + */ + suffix = child->d_name + strlen (child->d_name) - 8; + /* strlen(".desktop") == 8 */ + + if (suffix <= child->d_name || + strcmp (suffix, ".desktop") != 0) + continue; + + result = g_list_prepend (result, + g_build_filename (directory, child->d_name, NULL)); + } + closedir (dir); + + return result; +} + +static gint +wm_compare (gconstpointer a, gconstpointer b) +{ + const AvailableWindowManager *wm_a = (const AvailableWindowManager *)a; + const AvailableWindowManager *wm_b = (const AvailableWindowManager *)b; + + /* mmm, sloooow */ + + return g_utf8_collate (mate_desktop_item_get_string (wm_a->ditem, MATE_DESKTOP_ITEM_NAME), + mate_desktop_item_get_string (wm_b->ditem, MATE_DESKTOP_ITEM_NAME)); +} + +static AvailableWindowManager* +wm_load (const char *desktop_file, + gboolean is_user) +{ + gchar *path; + AvailableWindowManager *wm; + + wm = g_new0 (AvailableWindowManager, 1); + + wm->ditem = mate_desktop_item_new_from_file (desktop_file, 0, NULL); + + if (wm->ditem == NULL) { + g_free (wm); + return NULL; + } + + mate_desktop_item_set_entry_type (wm->ditem, MATE_DESKTOP_ITEM_TYPE_APPLICATION); + + wm->exec = g_strdup (mate_desktop_item_get_string (wm->ditem, + MATE_DESKTOP_ITEM_EXEC)); + + wm->name = g_strdup (mate_desktop_item_get_string (wm->ditem, + MATE_DESKTOP_ITEM_NAME)); + + wm->config_exec = g_strdup (mate_desktop_item_get_string (wm->ditem, + "ConfigExec")); + wm->config_tryexec = g_strdup (mate_desktop_item_get_string (wm->ditem, + "ConfigTryExec")); + wm->session_managed = mate_desktop_item_get_boolean (wm->ditem, + "SessionManaged"); + + wm->module = g_strdup (mate_desktop_item_get_string (wm->ditem, + "X-MATE-WMSettingsModule")); + + wm->identify_name = g_strdup (mate_desktop_item_get_string (wm->ditem, + "X-MATE-WMName")); + + wm->is_user = is_user; + + if (mate_desktop_item_get_string (wm->ditem, MATE_DESKTOP_ITEM_EXEC)) { + const char *tryexec; + + tryexec = mate_desktop_item_get_string (wm->ditem, MATE_DESKTOP_ITEM_TRY_EXEC); + + if (tryexec) { + path = g_find_program_in_path (tryexec); + wm->is_present = (path != NULL); + if (path) + g_free (path); + } else + wm->is_present = TRUE; + } else + wm->is_present = FALSE; + + if (wm->config_exec) { + if (wm->config_tryexec) { + path = g_find_program_in_path (wm->config_tryexec); + wm->is_config_present = (path != NULL); + if (path) + g_free (path); + } else { + path = g_find_program_in_path (wm->config_exec); + wm->is_config_present = (path != NULL); + if (path) + g_free (path); + } + } else + wm->is_config_present = FALSE; + + if (wm->name && wm->exec && + (wm->is_user || wm->is_present)) + return wm; + else { + wm_free (wm); + return NULL; + } +} + +static void +scan_wm_directory (gchar *directory, gboolean is_user) +{ + GList *tmp_list; + GList *files; + + files = list_desktop_files_in_dir (directory); + + tmp_list = files; + while (tmp_list) { + AvailableWindowManager *wm; + + wm = wm_load (tmp_list->data, is_user); + + if (wm != NULL) + available_wms = g_list_prepend (available_wms, wm); + + tmp_list = tmp_list->next; + } + + g_list_foreach (files, (GFunc) g_free, NULL); + g_list_free (files); +} + +void +mate_wm_manager_init (void) +{ + char *tempdir; + + if (done_scan) + return; + + done_scan = TRUE; + + tempdir = g_build_filename (MATE_WM_PROPERTY_PATH, NULL); + scan_wm_directory (tempdir, FALSE); + g_free (tempdir); + + tempdir = g_build_filename (g_get_home_dir(), ".mate2", "wm-properties", NULL); + scan_wm_directory (tempdir, TRUE); + g_free (tempdir); + + available_wms = g_list_sort (available_wms, + wm_compare); +} + +static AvailableWindowManager* +get_current_wm (GdkScreen *screen) +{ + AvailableWindowManager *current_wm; + const char *name; + GList *tmp_list; + + g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL); + + name = gdk_x11_screen_get_window_manager_name (screen); + + current_wm = NULL; + + tmp_list = available_wms; + while (tmp_list != NULL) { + AvailableWindowManager *wm = tmp_list->data; + + if (wm->identify_name && + strcmp (wm->identify_name, name) == 0) { + current_wm = wm; + break; + } + tmp_list = tmp_list->next; + } + + if (current_wm == NULL) { + /* Try with localized name, sort of crackrock + * back compat hack + */ + + tmp_list = available_wms; + while (tmp_list != NULL) { + AvailableWindowManager *wm = tmp_list->data; + + if (strcmp (wm->name, name) == 0) { + current_wm = wm; + break; + } + tmp_list = tmp_list->next; + } + } + + return current_wm; +} + +MateWindowManager* +mate_wm_manager_get_current (GdkScreen *screen) +{ + AvailableWindowManager *wm; + + wm = get_current_wm (screen); + + if (wm != NULL && wm->module != NULL) + /* may still return NULL here */ + return (MateWindowManager*) mate_window_manager_new (wm->ditem); + else + return NULL; +} + +gboolean +mate_wm_manager_spawn_config_tool_for_current (GdkScreen *screen, + GError **error) +{ + AvailableWindowManager *wm; + + wm = get_current_wm (screen); + + if (wm != NULL && wm->config_exec != NULL) { + return g_spawn_command_line_async (wm->config_exec, + error); + } else { + const char *name; + + name = gdk_x11_screen_get_window_manager_name (screen); + + g_set_error (error, + G_SPAWN_ERROR, + G_SPAWN_ERROR_FAILED, + _("Window manager \"%s\" has not registered a configuration tool\n"), + name); + return FALSE; + } +} |