diff options
Diffstat (limited to 'lib/egg/eggtraymanager.c')
| -rw-r--r-- | lib/egg/eggtraymanager.c | 726 |
1 files changed, 0 insertions, 726 deletions
diff --git a/lib/egg/eggtraymanager.c b/lib/egg/eggtraymanager.c deleted file mode 100644 index 0b9dabf52..000000000 --- a/lib/egg/eggtraymanager.c +++ /dev/null @@ -1,726 +0,0 @@ -/* eggtraymanager.c - * Copyright (C) 2002 Anders Carlsson <andersca@gnu.org> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#include <config.h> -#include <string.h> -#include <libintl.h> - -#include "eggtraymanager.h" - -#include <gdk/gdkx.h> -#include <gtk/gtkinvisible.h> -#include <gtk/gtksocket.h> -#include <gtk/gtkwindow.h> -#include <X11/Xatom.h> - -#include "eggmarshalers.h" - -#ifndef EGG_COMPILATION -#ifndef _ -#define _(x) dgettext (GETTEXT_PACKAGE, x) -#define N_(x) x -#endif -#else -#define _(x) x -#define N_(x) x -#endif -#define P_(x) x - -/* Signals */ -enum -{ - TRAY_ICON_ADDED, - TRAY_ICON_REMOVED, - MESSAGE_SENT, - MESSAGE_CANCELLED, - LOST_SELECTION, - LAST_SIGNAL -}; - -enum { - PROP_0, - PROP_ORIENTATION -}; - -typedef struct -{ - long id, len; - long remaining_len; - - long timeout; - Window window; - char *str; -} PendingMessage; - -static GObjectClass *parent_class = NULL; -static guint manager_signals[LAST_SIGNAL] = { 0 }; - -#define SYSTEM_TRAY_REQUEST_DOCK 0 -#define SYSTEM_TRAY_BEGIN_MESSAGE 1 -#define SYSTEM_TRAY_CANCEL_MESSAGE 2 - -#define SYSTEM_TRAY_ORIENTATION_HORZ 0 -#define SYSTEM_TRAY_ORIENTATION_VERT 1 - -static gboolean egg_tray_manager_check_running_xscreen (Screen *xscreen); - -static void egg_tray_manager_init (EggTrayManager *manager); -static void egg_tray_manager_class_init (EggTrayManagerClass *klass); - -static void egg_tray_manager_finalize (GObject *object); -static void egg_tray_manager_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec); -static void egg_tray_manager_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec); - -static void egg_tray_manager_unmanage (EggTrayManager *manager); - -GType -egg_tray_manager_get_type (void) -{ - static GType our_type = 0; - - if (our_type == 0) - { - static const GTypeInfo our_info = - { - sizeof (EggTrayManagerClass), - (GBaseInitFunc) NULL, - (GBaseFinalizeFunc) NULL, - (GClassInitFunc) egg_tray_manager_class_init, - NULL, /* class_finalize */ - NULL, /* class_data */ - sizeof (EggTrayManager), - 0, /* n_preallocs */ - (GInstanceInitFunc) egg_tray_manager_init - }; - - our_type = g_type_register_static (G_TYPE_OBJECT, "EggTrayManager", &our_info, 0); - } - - return our_type; - -} - -static void -egg_tray_manager_init (EggTrayManager *manager) -{ - manager->socket_table = g_hash_table_new (NULL, NULL); -} - -static void -egg_tray_manager_class_init (EggTrayManagerClass *klass) -{ - GObjectClass *gobject_class; - - parent_class = g_type_class_peek_parent (klass); - gobject_class = (GObjectClass *)klass; - - gobject_class->finalize = egg_tray_manager_finalize; - gobject_class->set_property = egg_tray_manager_set_property; - gobject_class->get_property = egg_tray_manager_get_property; - - g_object_class_install_property (gobject_class, - PROP_ORIENTATION, - g_param_spec_enum ("orientation", - P_("Orientation"), - P_("The orientation of the tray."), - GTK_TYPE_ORIENTATION, - GTK_ORIENTATION_HORIZONTAL, - G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_CONSTRUCT)); - - manager_signals[TRAY_ICON_ADDED] = - g_signal_new ("tray_icon_added", - G_OBJECT_CLASS_TYPE (klass), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EggTrayManagerClass, tray_icon_added), - NULL, NULL, - g_cclosure_marshal_VOID__OBJECT, - G_TYPE_NONE, 1, - GTK_TYPE_SOCKET); - - manager_signals[TRAY_ICON_REMOVED] = - g_signal_new ("tray_icon_removed", - G_OBJECT_CLASS_TYPE (klass), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EggTrayManagerClass, tray_icon_removed), - NULL, NULL, - g_cclosure_marshal_VOID__OBJECT, - G_TYPE_NONE, 1, - GTK_TYPE_SOCKET); - manager_signals[MESSAGE_SENT] = - g_signal_new ("message_sent", - G_OBJECT_CLASS_TYPE (klass), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EggTrayManagerClass, message_sent), - NULL, NULL, - _egg_marshal_VOID__OBJECT_STRING_LONG_LONG, - G_TYPE_NONE, 4, - GTK_TYPE_SOCKET, - G_TYPE_STRING, - G_TYPE_LONG, - G_TYPE_LONG); - manager_signals[MESSAGE_CANCELLED] = - g_signal_new ("message_cancelled", - G_OBJECT_CLASS_TYPE (klass), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EggTrayManagerClass, message_cancelled), - NULL, NULL, - _egg_marshal_VOID__OBJECT_LONG, - G_TYPE_NONE, 2, - GTK_TYPE_SOCKET, - G_TYPE_LONG); - manager_signals[LOST_SELECTION] = - g_signal_new ("lost_selection", - G_OBJECT_CLASS_TYPE (klass), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EggTrayManagerClass, lost_selection), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - -} - -static void -egg_tray_manager_finalize (GObject *object) -{ - EggTrayManager *manager; - - manager = EGG_TRAY_MANAGER (object); - - egg_tray_manager_unmanage (manager); - - G_OBJECT_CLASS (parent_class)->finalize (object); -} - -static void -egg_tray_manager_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec) -{ - EggTrayManager *manager = EGG_TRAY_MANAGER (object); - - switch (prop_id) - { - case PROP_ORIENTATION: - egg_tray_manager_set_orientation (manager, g_value_get_enum (value)); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -egg_tray_manager_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec) -{ - EggTrayManager *manager = EGG_TRAY_MANAGER (object); - - switch (prop_id) - { - case PROP_ORIENTATION: - g_value_set_enum (value, manager->orientation); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -EggTrayManager * -egg_tray_manager_new (void) -{ - EggTrayManager *manager; - - manager = g_object_new (EGG_TYPE_TRAY_MANAGER, NULL); - - return manager; -} - -static gboolean -egg_tray_manager_plug_removed (GtkSocket *socket, - EggTrayManager *manager) -{ - Window *window; - - window = g_object_get_data (G_OBJECT (socket), "egg-tray-child-window"); - - g_hash_table_remove (manager->socket_table, GINT_TO_POINTER (*window)); - g_object_set_data (G_OBJECT (socket), "egg-tray-child-window", - NULL); - - g_signal_emit (manager, manager_signals[TRAY_ICON_REMOVED], 0, socket); - - /* This destroys the socket. */ - return FALSE; -} - -static void -egg_tray_manager_handle_dock_request (EggTrayManager *manager, - XClientMessageEvent *xevent) -{ - GtkWidget *socket; - Window *window; - - socket = gtk_socket_new (); - - /* We need to set the child window here - * so that the client can call _get functions - * in the signal handler - */ - window = g_new (Window, 1); - *window = xevent->data.l[2]; - - g_object_set_data_full (G_OBJECT (socket), - "egg-tray-child-window", - window, g_free); - g_signal_emit (manager, manager_signals[TRAY_ICON_ADDED], 0, - socket); - - /* Add the socket only if it's been attached */ - if (GTK_IS_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (socket)))) - { - g_signal_connect (socket, "plug_removed", - G_CALLBACK (egg_tray_manager_plug_removed), manager); - - gtk_socket_add_id (GTK_SOCKET (socket), xevent->data.l[2]); - - g_hash_table_insert (manager->socket_table, GINT_TO_POINTER (xevent->data.l[2]), socket); - } - else - gtk_widget_destroy (socket); -} - -static void -pending_message_free (PendingMessage *message) -{ - g_free (message->str); - g_free (message); -} - -static void -egg_tray_manager_handle_message_data (EggTrayManager *manager, - XClientMessageEvent *xevent) -{ - GList *p; - int len; - - /* Try to see if we can find the - * pending message in the list - */ - for (p = manager->messages; p; p = p->next) - { - PendingMessage *msg = p->data; - - if (xevent->window == msg->window) - { - /* Append the message */ - len = MIN (msg->remaining_len, 20); - - memcpy ((msg->str + msg->len - msg->remaining_len), - &xevent->data, len); - msg->remaining_len -= len; - - if (msg->remaining_len == 0) - { - GtkSocket *socket; - - socket = g_hash_table_lookup (manager->socket_table, GINT_TO_POINTER (msg->window)); - - if (socket) - { - g_signal_emit (manager, manager_signals[MESSAGE_SENT], 0, - socket, msg->str, msg->id, msg->timeout); - } - manager->messages = g_list_remove_link (manager->messages, - p); - - pending_message_free (msg); - } - - return; - } - } -} - -static void -egg_tray_manager_handle_begin_message (EggTrayManager *manager, - XClientMessageEvent *xevent) -{ - GList *p; - PendingMessage *msg; - - /* Check if the same message is - * already in the queue and remove it if so - */ - for (p = manager->messages; p; p = p->next) - { - PendingMessage *msg = p->data; - - if (xevent->window == msg->window && - xevent->data.l[4] == msg->id) - { - /* Hmm, we found it, now remove it */ - pending_message_free (msg); - manager->messages = g_list_remove_link (manager->messages, p); - break; - } - } - - /* Now add the new message to the queue */ - msg = g_new0 (PendingMessage, 1); - msg->window = xevent->window; - msg->timeout = xevent->data.l[2]; - msg->len = xevent->data.l[3]; - msg->id = xevent->data.l[4]; - msg->remaining_len = msg->len; - msg->str = g_malloc (msg->len + 1); - msg->str[msg->len] = '\0'; - manager->messages = g_list_prepend (manager->messages, msg); -} - -static void -egg_tray_manager_handle_cancel_message (EggTrayManager *manager, - XClientMessageEvent *xevent) -{ - GtkSocket *socket; - - socket = g_hash_table_lookup (manager->socket_table, GINT_TO_POINTER (xevent->window)); - - if (socket) - { - g_signal_emit (manager, manager_signals[MESSAGE_CANCELLED], 0, - socket, xevent->data.l[2]); - } -} - -static GdkFilterReturn -egg_tray_manager_handle_event (EggTrayManager *manager, - XClientMessageEvent *xevent) -{ - switch (xevent->data.l[1]) - { - case SYSTEM_TRAY_REQUEST_DOCK: - egg_tray_manager_handle_dock_request (manager, xevent); - return GDK_FILTER_REMOVE; - - case SYSTEM_TRAY_BEGIN_MESSAGE: - egg_tray_manager_handle_begin_message (manager, xevent); - return GDK_FILTER_REMOVE; - - case SYSTEM_TRAY_CANCEL_MESSAGE: - egg_tray_manager_handle_cancel_message (manager, xevent); - return GDK_FILTER_REMOVE; - default: - break; - } - - return GDK_FILTER_CONTINUE; -} - -static GdkFilterReturn -egg_tray_manager_window_filter (GdkXEvent *xev, GdkEvent *event, gpointer data) -{ - XEvent *xevent = (GdkXEvent *)xev; - EggTrayManager *manager = data; - - if (xevent->type == ClientMessage) - { - if (xevent->xclient.message_type == manager->opcode_atom) - { - return egg_tray_manager_handle_event (manager, (XClientMessageEvent *)xevent); - } - else if (xevent->xclient.message_type == manager->message_data_atom) - { - egg_tray_manager_handle_message_data (manager, (XClientMessageEvent *)xevent); - return GDK_FILTER_REMOVE; - } - } - else if (xevent->type == SelectionClear) - { - g_signal_emit (manager, manager_signals[LOST_SELECTION], 0); - egg_tray_manager_unmanage (manager); - } - - return GDK_FILTER_CONTINUE; -} - -static void -egg_tray_manager_unmanage (EggTrayManager *manager) -{ - Display *display; - guint32 timestamp; - GtkWidget *invisible; - - if (manager->invisible == NULL) - return; - - invisible = manager->invisible; - g_assert (GTK_IS_INVISIBLE (invisible)); - g_assert (GTK_WIDGET_REALIZED (invisible)); - g_assert (GDK_IS_WINDOW (invisible->window)); - - display = GDK_WINDOW_XDISPLAY (invisible->window); - - if (XGetSelectionOwner (display, manager->selection_atom) == - GDK_WINDOW_XWINDOW (invisible->window)) - { - timestamp = gdk_x11_get_server_time (invisible->window); - XSetSelectionOwner (display, manager->selection_atom, None, timestamp); - } - - gdk_window_remove_filter (invisible->window, egg_tray_manager_window_filter, manager); - - manager->invisible = NULL; /* prior to destroy for reentrancy paranoia */ - gtk_widget_destroy (invisible); - g_object_unref (G_OBJECT (invisible)); -} - -static void -egg_tray_manager_set_orientation_property (EggTrayManager *manager) -{ - gulong data[1]; - - if (!manager->invisible || !manager->invisible->window) - return; - - g_assert (manager->orientation_atom != None); - - data[0] = manager->orientation == GTK_ORIENTATION_HORIZONTAL ? - SYSTEM_TRAY_ORIENTATION_HORZ : - SYSTEM_TRAY_ORIENTATION_VERT; - - XChangeProperty (GDK_WINDOW_XDISPLAY (manager->invisible->window), - GDK_WINDOW_XWINDOW (manager->invisible->window), - manager->orientation_atom, - XA_CARDINAL, 32, - PropModeReplace, - (guchar *) &data, 1); -} - -static gboolean -egg_tray_manager_manage_xscreen (EggTrayManager *manager, Screen *xscreen) -{ - GtkWidget *invisible; - char *selection_atom_name; - guint32 timestamp; - GdkScreen *screen; - - g_return_val_if_fail (EGG_IS_TRAY_MANAGER (manager), FALSE); - g_return_val_if_fail (manager->screen == NULL, FALSE); - - /* If there's already a manager running on the screen - * we can't create another one. - */ -#if 0 - if (egg_tray_manager_check_running_xscreen (xscreen)) - return FALSE; -#endif - screen = gdk_display_get_screen (gdk_x11_lookup_xdisplay (DisplayOfScreen (xscreen)), - XScreenNumberOfScreen (xscreen)); - - invisible = gtk_invisible_new_for_screen (screen); - gtk_widget_realize (invisible); - - gtk_widget_add_events (invisible, GDK_PROPERTY_CHANGE_MASK | GDK_STRUCTURE_MASK); - - selection_atom_name = g_strdup_printf ("_NET_SYSTEM_TRAY_S%d", - XScreenNumberOfScreen (xscreen)); - manager->selection_atom = XInternAtom (DisplayOfScreen (xscreen), selection_atom_name, False); - - g_free (selection_atom_name); - - manager->orientation_atom = XInternAtom (DisplayOfScreen (xscreen), - "_NET_SYSTEM_TRAY_ORIENTATION", - FALSE); - egg_tray_manager_set_orientation_property (manager); - - timestamp = gdk_x11_get_server_time (invisible->window); - XSetSelectionOwner (DisplayOfScreen (xscreen), manager->selection_atom, - GDK_WINDOW_XWINDOW (invisible->window), timestamp); - - /* Check if we were could set the selection owner successfully */ - if (XGetSelectionOwner (DisplayOfScreen (xscreen), manager->selection_atom) == - GDK_WINDOW_XWINDOW (invisible->window)) - { - XClientMessageEvent xev; - - xev.type = ClientMessage; - xev.window = RootWindowOfScreen (xscreen); - xev.message_type = XInternAtom (DisplayOfScreen (xscreen), "MANAGER", False); - - xev.format = 32; - xev.data.l[0] = timestamp; - xev.data.l[1] = manager->selection_atom; - xev.data.l[2] = GDK_WINDOW_XWINDOW (invisible->window); - xev.data.l[3] = 0; /* manager specific data */ - xev.data.l[4] = 0; /* manager specific data */ - - XSendEvent (DisplayOfScreen (xscreen), - RootWindowOfScreen (xscreen), - False, StructureNotifyMask, (XEvent *)&xev); - - manager->invisible = invisible; - g_object_ref (G_OBJECT (manager->invisible)); - - manager->opcode_atom = XInternAtom (DisplayOfScreen (xscreen), - "_NET_SYSTEM_TRAY_OPCODE", - False); - - manager->message_data_atom = XInternAtom (DisplayOfScreen (xscreen), - "_NET_SYSTEM_TRAY_MESSAGE_DATA", - False); - - /* Add a window filter */ - gdk_window_add_filter (invisible->window, egg_tray_manager_window_filter, manager); - return TRUE; - } - else - { - gtk_widget_destroy (invisible); - - return FALSE; - } -} - -gboolean -egg_tray_manager_manage_screen (EggTrayManager *manager, - GdkScreen *screen) -{ - g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE); - g_return_val_if_fail (manager->screen == NULL, FALSE); - - return egg_tray_manager_manage_xscreen (manager, - GDK_SCREEN_XSCREEN (screen)); -} - -static gboolean -egg_tray_manager_check_running_xscreen (Screen *xscreen) -{ - Atom selection_atom; - char *selection_atom_name; - - selection_atom_name = g_strdup_printf ("_NET_SYSTEM_TRAY_S%d", - XScreenNumberOfScreen (xscreen)); - selection_atom = XInternAtom (DisplayOfScreen (xscreen), selection_atom_name, False); - g_free (selection_atom_name); - - if (XGetSelectionOwner (DisplayOfScreen (xscreen), selection_atom)) - return TRUE; - else - return FALSE; -} - -gboolean -egg_tray_manager_check_running (GdkScreen *screen) -{ - g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE); - - return egg_tray_manager_check_running_xscreen (GDK_SCREEN_XSCREEN (screen)); -} - -char * -egg_tray_manager_get_child_title (EggTrayManager *manager, - EggTrayManagerChild *child) -{ - Window *child_window; - Atom utf8_string, atom, type; - int result; - char *retval; - int format; - gulong nitems; - gulong bytes_after; - guchar *val; - - g_return_val_if_fail (EGG_IS_TRAY_MANAGER (manager), NULL); - g_return_val_if_fail (GTK_IS_SOCKET (child), NULL); - - child_window = g_object_get_data (G_OBJECT (child), - "egg-tray-child-window"); - - utf8_string = XInternAtom (GDK_DISPLAY (), "UTF8_STRING", False); - atom = XInternAtom (GDK_DISPLAY (), "_NET_WM_NAME", False); - - gdk_error_trap_push (); - - result = XGetWindowProperty (GDK_DISPLAY (), - *child_window, - atom, - 0, G_MAXLONG, - False, utf8_string, - &type, &format, &nitems, - &bytes_after, (guchar **)&val); - - if (gdk_error_trap_pop () || result != Success) - return NULL; - - if (type != utf8_string || - format != 8 || - nitems == 0) - { - if (val) - XFree (val); - return NULL; - } - - if (!g_utf8_validate ((const gchar *)val, nitems, NULL)) - { - XFree (val); - return NULL; - } - - retval = g_strndup ((const gchar *)val, nitems); - - XFree (val); - - return retval; - -} - -void -egg_tray_manager_set_orientation (EggTrayManager *manager, - GtkOrientation orientation) -{ - g_return_if_fail (EGG_IS_TRAY_MANAGER (manager)); - - if (manager->orientation != orientation) - { - manager->orientation = orientation; - - egg_tray_manager_set_orientation_property (manager); - - g_object_notify (G_OBJECT (manager), "orientation"); - } -} - -GtkOrientation -egg_tray_manager_get_orientation (EggTrayManager *manager) -{ - g_return_val_if_fail (EGG_IS_TRAY_MANAGER (manager), GTK_ORIENTATION_HORIZONTAL); - - return manager->orientation; -} |