diff options
Diffstat (limited to 'plugins/keybindings/msd-keybindings-manager.c')
| -rw-r--r-- | plugins/keybindings/msd-keybindings-manager.c | 758 |
1 files changed, 0 insertions, 758 deletions
diff --git a/plugins/keybindings/msd-keybindings-manager.c b/plugins/keybindings/msd-keybindings-manager.c deleted file mode 100644 index c1f876c..0000000 --- a/plugins/keybindings/msd-keybindings-manager.c +++ /dev/null @@ -1,758 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- - * - * 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 <locale.h> - -#include <glib.h> -#include <glib/gi18n.h> -#include <gdk/gdk.h> -#include <gdk/gdkx.h> -#include <gtk/gtk.h> -#include <X11/keysym.h> -#include <mateconf/mateconf-client.h> - -#include "mate-settings-profile.h" -#include "msd-keybindings-manager.h" - -#include "msd-keygrab.h" -#include "eggaccelerators.h" - -#define MATECONF_BINDING_DIR "/desktop/mate/keybindings" -#define ALLOWED_KEYS_KEY MATECONF_BINDING_DIR "/allowed_keys" - -#define MSD_KEYBINDINGS_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), MSD_TYPE_KEYBINDINGS_MANAGER, MsdKeybindingsManagerPrivate)) - -typedef struct { - char *binding_str; - char *action; - char *mateconf_key; - Key key; - Key previous_key; -} Binding; - -struct MsdKeybindingsManagerPrivate -{ - GSList *binding_list; - GSList *allowed_keys; - GSList *screens; - guint notify; -}; - -static void msd_keybindings_manager_class_init (MsdKeybindingsManagerClass *klass); -static void msd_keybindings_manager_init (MsdKeybindingsManager *keybindings_manager); -static void msd_keybindings_manager_finalize (GObject *object); - -G_DEFINE_TYPE (MsdKeybindingsManager, msd_keybindings_manager, G_TYPE_OBJECT) - -static gpointer manager_object = NULL; - -static GSList * -get_screens_list (void) -{ - GdkDisplay *display = gdk_display_get_default(); - int n_screens; - GSList *list = NULL; - int i; - - n_screens = gdk_display_get_n_screens (display); - - if (n_screens == 1) { - list = g_slist_append (list, gdk_screen_get_default ()); - } else { - for (i = 0; i < n_screens; i++) { - GdkScreen *screen; - - screen = gdk_display_get_screen (display, i); - if (screen != NULL) { - list = g_slist_prepend (list, screen); - } - } - list = g_slist_reverse (list); - } - - return list; -} - -static char * -entry_get_string (MateConfEntry *entry) -{ - MateConfValue *value = mateconf_entry_get_value (entry); - - if (value == NULL || value->type != MATECONF_VALUE_STRING) { - return NULL; - } - - return g_strdup (mateconf_value_get_string (value)); -} - -static gboolean -parse_binding (Binding *binding) -{ - gboolean success; - - g_return_val_if_fail (binding != NULL, FALSE); - - binding->key.keysym = 0; - binding->key.state = 0; - g_free (binding->key.keycodes); - binding->key.keycodes = NULL; - - if (binding->binding_str == NULL || - binding->binding_str[0] == '\0' || - strcmp (binding->binding_str, "Disabled") == 0) { - return FALSE; - } - - success = egg_accelerator_parse_virtual (binding->binding_str, - &binding->key.keysym, - &binding->key.keycodes, - &binding->key.state); - - if (!success) - g_warning (_("Key binding (%s) is invalid"), binding->mateconf_key); - - return success; -} - -static gint -compare_bindings (gconstpointer a, - gconstpointer b) -{ - Binding *key_a = (Binding *) a; - char *key_b = (char *) b; - - return strcmp (key_b, key_a->mateconf_key); -} - -static gboolean -bindings_get_entry (MsdKeybindingsManager *manager, - MateConfClient *client, - const char *subdir) -{ - Binding *new_binding; - GSList *tmp_elem; - GSList *list; - GSList *li; - char *mateconf_key; - char *action = NULL; - char *key = NULL; - - g_return_val_if_fail (subdir != NULL, FALSE); - - mateconf_key = g_path_get_basename (subdir); - - if (!mateconf_key) { - return FALSE; - } - - /* Get entries for this binding */ - list = mateconf_client_all_entries (client, subdir, NULL); - - for (li = list; li != NULL; li = li->next) { - MateConfEntry *entry = li->data; - char *key_name = g_path_get_basename (mateconf_entry_get_key (entry)); - - if (key_name == NULL) { - /* ignore entry */ - } else if (strcmp (key_name, "action") == 0) { - action = entry_get_string (entry); - } else if (strcmp (key_name, "binding") == 0) { - key = entry_get_string (entry); - } - - g_free (key_name); - mateconf_entry_free (entry); - } - - g_slist_free (list); - - if (!action || !key) { - g_warning (_("Key binding (%s) is incomplete"), mateconf_key); - g_free (mateconf_key); - g_free (action); - g_free (key); - return FALSE; - } - - tmp_elem = g_slist_find_custom (manager->priv->binding_list, - mateconf_key, - compare_bindings); - - if (!tmp_elem) { - new_binding = g_new0 (Binding, 1); - } else { - new_binding = (Binding *) tmp_elem->data; - g_free (new_binding->binding_str); - g_free (new_binding->action); - g_free (new_binding->mateconf_key); - - new_binding->previous_key.keysym = new_binding->key.keysym; - new_binding->previous_key.state = new_binding->key.state; - new_binding->previous_key.keycodes = new_binding->key.keycodes; - new_binding->key.keycodes = NULL; - } - - new_binding->binding_str = key; - new_binding->action = action; - new_binding->mateconf_key = mateconf_key; - - if (parse_binding (new_binding)) { - if (!tmp_elem) - manager->priv->binding_list = g_slist_prepend (manager->priv->binding_list, new_binding); - } else { - g_free (new_binding->binding_str); - g_free (new_binding->action); - g_free (new_binding->mateconf_key); - g_free (new_binding->previous_key.keycodes); - g_free (new_binding); - - if (tmp_elem) - manager->priv->binding_list = g_slist_delete_link (manager->priv->binding_list, tmp_elem); - return FALSE; - } - - return TRUE; -} - -static gboolean -same_keycode (const Key *key, const Key *other) -{ - if (key->keycodes != NULL && other->keycodes != NULL) { - guint *c; - - for (c = key->keycodes; *c; ++c) { - if (key_uses_keycode (other, *c)) - return TRUE; - } - } - return FALSE; -} - -static gboolean -same_key (const Key *key, const Key *other) -{ - if (key->state == other->state) { - if (key->keycodes != NULL && other->keycodes != NULL) { - guint *c1, *c2; - - for (c1 = key->keycodes, c2 = other->keycodes; - *c1 || *c2; ++c1, ++c2) { - if (*c1 != *c2) - return FALSE; - } - } else if (key->keycodes != NULL || other->keycodes != NULL) - return FALSE; - - - return TRUE; - } - - return FALSE; -} - -static gboolean -key_already_used (MsdKeybindingsManager *manager, - Binding *binding) -{ - GSList *li; - - for (li = manager->priv->binding_list; li != NULL; li = li->next) { - Binding *tmp_binding = (Binding*) li->data; - - if (tmp_binding != binding && - same_keycode (&tmp_binding->key, &binding->key) && - tmp_binding->key.state == binding->key.state) { - return TRUE; - } - } - - return FALSE; -} - -static void -binding_unregister_keys (MsdKeybindingsManager *manager) -{ - GSList *li; - gboolean need_flush = FALSE; - - gdk_error_trap_push (); - - for (li = manager->priv->binding_list; li != NULL; li = li->next) { - Binding *binding = (Binding *) li->data; - - if (binding->key.keycodes) { - need_flush = TRUE; - grab_key_unsafe (&binding->key, FALSE, manager->priv->screens); - } - } - - if (need_flush) - gdk_flush (); - gdk_error_trap_pop (); -} - -static void -binding_register_keys (MsdKeybindingsManager *manager) -{ - GSList *li; - gboolean need_flush = FALSE; - - gdk_error_trap_push (); - - /* Now check for changes and grab new key if not already used */ - for (li = manager->priv->binding_list; li != NULL; li = li->next) { - Binding *binding = (Binding *) li->data; - - if (manager->priv->allowed_keys != NULL && - !g_slist_find_custom (manager->priv->allowed_keys, - binding->mateconf_key, - (GCompareFunc) g_strcmp0)) { - continue; - } - - if (!same_key (&binding->previous_key, &binding->key)) { - /* Ungrab key if it changed and not clashing with previously set binding */ - if (!key_already_used (manager, binding)) { - gint i; - - need_flush = TRUE; - if (binding->previous_key.keycodes) { - grab_key_unsafe (&binding->previous_key, FALSE, manager->priv->screens); - } - grab_key_unsafe (&binding->key, TRUE, manager->priv->screens); - - binding->previous_key.keysym = binding->key.keysym; - binding->previous_key.state = binding->key.state; - g_free (binding->previous_key.keycodes); - for (i = 0; binding->key.keycodes[i]; ++i); - binding->previous_key.keycodes = g_new0 (guint, i); - for (i = 0; binding->key.keycodes[i]; ++i) - binding->previous_key.keycodes[i] = binding->key.keycodes[i]; - } else - g_warning ("Key binding (%s) is already in use", binding->binding_str); - } - } - - if (need_flush) - gdk_flush (); - if (gdk_error_trap_pop ()) - g_warning ("Grab failed for some keys, another application may already have access the them."); -} - -extern char **environ; - -static char * -screen_exec_display_string (GdkScreen *screen) -{ - GString *str; - const char *old_display; - char *p; - - g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL); - - old_display = gdk_display_get_name (gdk_screen_get_display (screen)); - - str = g_string_new ("DISPLAY="); - g_string_append (str, old_display); - - p = strrchr (str->str, '.'); - if (p && p > strchr (str->str, ':')) { - g_string_truncate (str, p - str->str); - } - - g_string_append_printf (str, ".%d", gdk_screen_get_number (screen)); - - return g_string_free (str, FALSE); -} - -/** - * get_exec_environment: - * - * Description: Modifies the current program environment to - * ensure that $DISPLAY is set such that a launched application - * inheriting this environment would appear on screen. - * - * Returns: a newly-allocated %NULL-terminated array of strings or - * %NULL on error. Use g_strfreev() to free it. - * - * mainly ripped from egg_screen_exec_display_string in - * mate-panel/egg-screen-exec.c - **/ -static char ** -get_exec_environment (XEvent *xevent) -{ - char **retval = NULL; - int i; - int display_index = -1; - GdkScreen *screen = NULL; - GdkWindow *window = gdk_xid_table_lookup (xevent->xkey.root); - - if (window) { - screen = gdk_drawable_get_screen (GDK_DRAWABLE (window)); - } - - g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL); - - for (i = 0; environ [i]; i++) { - if (!strncmp (environ [i], "DISPLAY", 7)) { - display_index = i; - } - } - - if (display_index == -1) { - display_index = i++; - } - - retval = g_new (char *, i + 1); - - for (i = 0; environ [i]; i++) { - if (i == display_index) { - retval [i] = screen_exec_display_string (screen); - } else { - retval [i] = g_strdup (environ [i]); - } - } - - retval [i] = NULL; - - return retval; -} - -static GdkFilterReturn -keybindings_filter (GdkXEvent *gdk_xevent, - GdkEvent *event, - MsdKeybindingsManager *manager) -{ - XEvent *xevent = (XEvent *) gdk_xevent; - GSList *li; - - if (xevent->type != KeyPress) { - return GDK_FILTER_CONTINUE; - } - - for (li = manager->priv->binding_list; li != NULL; li = li->next) { - Binding *binding = (Binding *) li->data; - - if (match_key (&binding->key, xevent)) { - GError *error = NULL; - gboolean retval; - gchar **argv = NULL; - gchar **envp = NULL; - - g_return_val_if_fail (binding->action != NULL, GDK_FILTER_CONTINUE); - - if (!g_shell_parse_argv (binding->action, - NULL, &argv, - &error)) { - return GDK_FILTER_CONTINUE; - } - - envp = get_exec_environment (xevent); - - retval = g_spawn_async (NULL, - argv, - envp, - G_SPAWN_SEARCH_PATH, - NULL, - NULL, - NULL, - &error); - g_strfreev (argv); - g_strfreev (envp); - - if (!retval) { - GtkWidget *dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_WARNING, - GTK_BUTTONS_CLOSE, - _("Error while trying to run (%s)\n"\ - "which is linked to the key (%s)"), - binding->action, - binding->binding_str); - g_signal_connect (dialog, - "response", - G_CALLBACK (gtk_widget_destroy), - NULL); - gtk_widget_show (dialog); - } - return GDK_FILTER_REMOVE; - } - } - return GDK_FILTER_CONTINUE; -} - -static void -bindings_callback (MateConfClient *client, - guint cnxn_id, - MateConfEntry *entry, - MsdKeybindingsManager *manager) -{ - char** key_elems; - char* binding_entry; - - if (strcmp (mateconf_entry_get_key (entry), ALLOWED_KEYS_KEY) == 0) { - g_slist_foreach (manager->priv->allowed_keys, (GFunc)g_free, NULL); - g_slist_free (manager->priv->allowed_keys); - manager->priv->allowed_keys = mateconf_client_get_list (client, - ALLOWED_KEYS_KEY, - MATECONF_VALUE_STRING, - NULL); - } - else { - /* ensure we get binding dir not a sub component */ - key_elems = g_strsplit (mateconf_entry_get_key (entry), "/", 15); - binding_entry = g_strdup_printf ("/%s/%s/%s/%s", - key_elems[1], - key_elems[2], - key_elems[3], - key_elems[4]); - g_strfreev (key_elems); - - bindings_get_entry (manager, client, binding_entry); - g_free (binding_entry); - } - - binding_register_keys (manager); -} - -static guint -register_config_callback (MsdKeybindingsManager *manager, - MateConfClient *client, - const char *path, - MateConfClientNotifyFunc func) -{ - mateconf_client_add_dir (client, path, MATECONF_CLIENT_PRELOAD_RECURSIVE, NULL); - return mateconf_client_notify_add (client, path, func, manager, NULL, NULL); -} - -gboolean -msd_keybindings_manager_start (MsdKeybindingsManager *manager, - GError **error) -{ - MateConfClient *client; - GSList *list; - GSList *li; - GdkDisplay *dpy; - GdkScreen *screen; - int screen_num; - int i; - - g_debug ("Starting keybindings manager"); - mate_settings_profile_start (NULL); - - client = mateconf_client_get_default (); - - manager->priv->notify = register_config_callback (manager, - client, - MATECONF_BINDING_DIR, - (MateConfClientNotifyFunc) bindings_callback); - - manager->priv->allowed_keys = mateconf_client_get_list (client, - ALLOWED_KEYS_KEY, - MATECONF_VALUE_STRING, - NULL); - - dpy = gdk_display_get_default (); - screen_num = gdk_display_get_n_screens (dpy); - - for (i = 0; i < screen_num; i++) { - screen = gdk_display_get_screen (dpy, i); - gdk_window_add_filter (gdk_screen_get_root_window (screen), - (GdkFilterFunc) keybindings_filter, - manager); - } - - list = mateconf_client_all_dirs (client, MATECONF_BINDING_DIR, NULL); - manager->priv->screens = get_screens_list (); - - for (li = list; li != NULL; li = li->next) { - bindings_get_entry (manager, client, li->data); - g_free (li->data); - } - - g_slist_free (list); - g_object_unref (client); - - binding_register_keys (manager); - - mate_settings_profile_end (NULL); - - return TRUE; -} - -void -msd_keybindings_manager_stop (MsdKeybindingsManager *manager) -{ - MsdKeybindingsManagerPrivate *p = manager->priv; - GSList *l; - - g_debug ("Stopping keybindings manager"); - - if (p->notify != 0) { - MateConfClient *client = mateconf_client_get_default (); - mateconf_client_remove_dir (client, MATECONF_BINDING_DIR, NULL); - mateconf_client_notify_remove (client, p->notify); - g_object_unref (client); - p->notify = 0; - } - - for (l = p->screens; l; l = l->next) { - GdkScreen *screen = l->data; - gdk_window_remove_filter (gdk_screen_get_root_window (screen), - (GdkFilterFunc) keybindings_filter, - manager); - } - - binding_unregister_keys (manager); - - g_slist_free (p->screens); - p->screens = NULL; - - for (l = p->binding_list; l; l = l->next) { - Binding *b = l->data; - g_free (b->binding_str); - g_free (b->action); - g_free (b->mateconf_key); - g_free (b->previous_key.keycodes); - g_free (b->key.keycodes); - g_free (b); - } - g_slist_free (p->binding_list); - p->binding_list = NULL; -} - -static void -msd_keybindings_manager_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec) -{ - MsdKeybindingsManager *self; - - self = MSD_KEYBINDINGS_MANAGER (object); - - switch (prop_id) { - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -msd_keybindings_manager_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec) -{ - MsdKeybindingsManager *self; - - self = MSD_KEYBINDINGS_MANAGER (object); - - switch (prop_id) { - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static GObject * -msd_keybindings_manager_constructor (GType type, - guint n_construct_properties, - GObjectConstructParam *construct_properties) -{ - MsdKeybindingsManager *keybindings_manager; - MsdKeybindingsManagerClass *klass; - - klass = MSD_KEYBINDINGS_MANAGER_CLASS (g_type_class_peek (MSD_TYPE_KEYBINDINGS_MANAGER)); - - keybindings_manager = MSD_KEYBINDINGS_MANAGER (G_OBJECT_CLASS (msd_keybindings_manager_parent_class)->constructor (type, - n_construct_properties, - construct_properties)); - - return G_OBJECT (keybindings_manager); -} - -static void -msd_keybindings_manager_dispose (GObject *object) -{ - MsdKeybindingsManager *keybindings_manager; - - keybindings_manager = MSD_KEYBINDINGS_MANAGER (object); - - G_OBJECT_CLASS (msd_keybindings_manager_parent_class)->dispose (object); -} - -static void -msd_keybindings_manager_class_init (MsdKeybindingsManagerClass *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS (klass); - - object_class->get_property = msd_keybindings_manager_get_property; - object_class->set_property = msd_keybindings_manager_set_property; - object_class->constructor = msd_keybindings_manager_constructor; - object_class->dispose = msd_keybindings_manager_dispose; - object_class->finalize = msd_keybindings_manager_finalize; - - g_type_class_add_private (klass, sizeof (MsdKeybindingsManagerPrivate)); -} - -static void -msd_keybindings_manager_init (MsdKeybindingsManager *manager) -{ - manager->priv = MSD_KEYBINDINGS_MANAGER_GET_PRIVATE (manager); - -} - -static void -msd_keybindings_manager_finalize (GObject *object) -{ - MsdKeybindingsManager *keybindings_manager; - - g_return_if_fail (object != NULL); - g_return_if_fail (MSD_IS_KEYBINDINGS_MANAGER (object)); - - keybindings_manager = MSD_KEYBINDINGS_MANAGER (object); - - g_return_if_fail (keybindings_manager->priv != NULL); - - G_OBJECT_CLASS (msd_keybindings_manager_parent_class)->finalize (object); -} - -MsdKeybindingsManager * -msd_keybindings_manager_new (void) -{ - if (manager_object != NULL) { - g_object_ref (manager_object); - } else { - manager_object = g_object_new (MSD_TYPE_KEYBINDINGS_MANAGER, NULL); - g_object_add_weak_pointer (manager_object, - (gpointer *) &manager_object); - } - - return MSD_KEYBINDINGS_MANAGER (manager_object); -} |