diff options
Diffstat (limited to 'applets/notification_area/system-tray/na-tray-manager.c')
| -rw-r--r-- | applets/notification_area/system-tray/na-tray-manager.c | 988 |
1 files changed, 988 insertions, 0 deletions
diff --git a/applets/notification_area/system-tray/na-tray-manager.c b/applets/notification_area/system-tray/na-tray-manager.c new file mode 100644 index 00000000..94d3003d --- /dev/null +++ b/applets/notification_area/system-tray/na-tray-manager.c @@ -0,0 +1,988 @@ +/* na-tray-manager.c + * Copyright (C) 2002 Anders Carlsson <[email protected]> + * Copyright (C) 2003-2006 Vincent Untz + * + * 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., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + * Used to be: eggtraymanager.c + */ + +#include <config.h> +#include <string.h> +#include <libintl.h> + +#include "na-tray-manager.h" + +#include <gtk/gtk.h> +#include <glib/gi18n.h> +#include <gdk/gdkx.h> +#include <X11/Xatom.h> + +#include "na-marshal.h" + +/* 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; + char *str; +#ifdef GDK_WINDOWING_X11 + Window window; +#endif +} PendingMessage; + +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 + +#ifdef GDK_WINDOWING_X11 +static gboolean na_tray_manager_check_running_screen_x11 (GdkScreen *screen); +#endif + +static void na_tray_manager_finalize (GObject *object); +static void na_tray_manager_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec); +static void na_tray_manager_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec); + +static void na_tray_manager_unmanage (NaTrayManager *manager); + +G_DEFINE_TYPE (NaTrayManager, na_tray_manager, G_TYPE_OBJECT) + +static void +na_tray_manager_init (NaTrayManager *manager) +{ + manager->invisible = NULL; + manager->socket_table = g_hash_table_new (NULL, NULL); + + manager->padding = 0; + manager->icon_size = 0; + + manager->fg.red = 0.0; + manager->fg.green = 0.0; + manager->fg.blue = 0.0; + manager->fg.alpha = 1.0; + + manager->error.red = 1.0; + manager->error.green = 0.0; + manager->error.blue = 0.0; + manager->error.alpha = 1.0; + + manager->warning.red = 1.0; + manager->warning.green = 1.0; + manager->warning.blue = 0.0; + manager->warning.alpha = 1.0; + + manager->success.red = 0.0; + manager->success.green = 1.0; + manager->success.blue = 0.0; + manager->success.alpha = 1.0; +} + +static void +na_tray_manager_class_init (NaTrayManagerClass *klass) +{ + GObjectClass *gobject_class; + + gobject_class = (GObjectClass *)klass; + + gobject_class->finalize = na_tray_manager_finalize; + gobject_class->set_property = na_tray_manager_set_property; + gobject_class->get_property = na_tray_manager_get_property; + + g_object_class_install_property (gobject_class, + PROP_ORIENTATION, + g_param_spec_enum ("orientation", + "orientation", + "orientation", + GTK_TYPE_ORIENTATION, + GTK_ORIENTATION_HORIZONTAL, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT | + G_PARAM_STATIC_NAME | + G_PARAM_STATIC_NICK | + G_PARAM_STATIC_BLURB)); + + manager_signals[TRAY_ICON_ADDED] = + g_signal_new ("tray_icon_added", + G_OBJECT_CLASS_TYPE (klass), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (NaTrayManagerClass, 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 (NaTrayManagerClass, 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 (NaTrayManagerClass, message_sent), + NULL, NULL, + _na_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 (NaTrayManagerClass, message_cancelled), + NULL, NULL, + _na_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 (NaTrayManagerClass, lost_selection), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); +} + +static void +na_tray_manager_finalize (GObject *object) +{ + NaTrayManager *manager; + + manager = NA_TRAY_MANAGER (object); + + na_tray_manager_unmanage (manager); + + g_list_free (manager->messages); + g_hash_table_destroy (manager->socket_table); + + G_OBJECT_CLASS (na_tray_manager_parent_class)->finalize (object); +} + +static void +na_tray_manager_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + NaTrayManager *manager = NA_TRAY_MANAGER (object); + + switch (prop_id) + { + case PROP_ORIENTATION: + na_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 +na_tray_manager_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + NaTrayManager *manager = NA_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; + } +} + +NaTrayManager * +na_tray_manager_new (void) +{ + NaTrayManager *manager; + + manager = g_object_new (NA_TYPE_TRAY_MANAGER, NULL); + + return manager; +} + +#ifdef GDK_WINDOWING_X11 + +static gboolean +na_tray_manager_plug_removed (GtkSocket *socket, + NaTrayManager *manager) +{ + NaTrayChild *child = NA_TRAY_CHILD (socket); + + g_hash_table_remove (manager->socket_table, + GINT_TO_POINTER (child->icon_window)); + g_signal_emit (manager, manager_signals[TRAY_ICON_REMOVED], 0, child); + + /* This destroys the socket. */ + return FALSE; +} + +static void +na_tray_manager_handle_dock_request (NaTrayManager *manager, + XClientMessageEvent *xevent) +{ + Window icon_window = xevent->data.l[2]; + GtkWidget *child; + + if (g_hash_table_lookup (manager->socket_table, + GINT_TO_POINTER (icon_window))) + { + /* We already got this notification earlier, ignore this one */ + return; + } + + child = na_tray_child_new (manager->screen, icon_window); + if (child == NULL) /* already gone or other error */ + return; + + g_signal_emit (manager, manager_signals[TRAY_ICON_ADDED], 0, + child); + + /* If the child wasn't attached, then destroy it */ + + if (!GTK_IS_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (child)))) + { + gtk_widget_destroy (child); + return; + } + + g_signal_connect (child, "plug_removed", + G_CALLBACK (na_tray_manager_plug_removed), manager); + + gtk_socket_add_id (GTK_SOCKET (child), icon_window); + + if (!gtk_socket_get_plug_window (GTK_SOCKET (child))) + { + /* Embedding failed, we won't get a plug-removed signal */ + /* This signal destroys the socket */ + g_signal_emit (manager, manager_signals[TRAY_ICON_REMOVED], 0, child); + return; + } + + g_hash_table_insert (manager->socket_table, + GINT_TO_POINTER (icon_window), child); + gtk_widget_show (child); +} + +static void +pending_message_free (PendingMessage *message) +{ + g_free (message->str); + g_free (message); +} + +static void +na_tray_manager_handle_message_data (NaTrayManager *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); + + pending_message_free (msg); + manager->messages = g_list_remove_link (manager->messages, p); + g_list_free_1 (p); + } + + break; + } + } +} + +static void +na_tray_manager_handle_begin_message (NaTrayManager *manager, + XClientMessageEvent *xevent) +{ + GtkSocket *socket; + GList *p; + PendingMessage *msg; + long timeout; + long len; + long id; + + socket = g_hash_table_lookup (manager->socket_table, + GINT_TO_POINTER (xevent->window)); + /* we don't know about this tray icon, so ignore the message */ + if (!socket) + return; + + timeout = xevent->data.l[2]; + len = xevent->data.l[3]; + id = xevent->data.l[4]; + + /* Check if the same message is already in the queue and remove it if so */ + for (p = manager->messages; p; p = p->next) + { + PendingMessage *pmsg = p->data; + + if (xevent->window == pmsg->window && + id == pmsg->id) + { + /* Hmm, we found it, now remove it */ + pending_message_free (pmsg); + manager->messages = g_list_remove_link (manager->messages, p); + g_list_free_1 (p); + break; + } + } + + if (len == 0) + { + g_signal_emit (manager, manager_signals[MESSAGE_SENT], 0, + socket, "", id, timeout); + } + else + { + /* Now add the new message to the queue */ + msg = g_new0 (PendingMessage, 1); + msg->window = xevent->window; + msg->timeout = timeout; + msg->len = len; + msg->id = id; + 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 +na_tray_manager_handle_cancel_message (NaTrayManager *manager, + XClientMessageEvent *xevent) +{ + GList *p; + GtkSocket *socket; + long id; + + id = xevent->data.l[2]; + + /* Check if the message is 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 && + id == msg->id) + { + pending_message_free (msg); + manager->messages = g_list_remove_link (manager->messages, p); + g_list_free_1 (p); + break; + } + } + + 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 +na_tray_manager_window_filter (GdkXEvent *xev, + GdkEvent *event, + gpointer data) +{ + XEvent *xevent = (GdkXEvent *)xev; + NaTrayManager *manager = data; + + if (xevent->type == ClientMessage) + { + /* We handle this client message here. See comment in + * na_tray_manager_handle_client_message_opcode() for details */ + if (xevent->xclient.message_type == manager->opcode_atom && + xevent->xclient.data.l[1] == SYSTEM_TRAY_REQUEST_DOCK) + { + na_tray_manager_handle_dock_request (manager, + (XClientMessageEvent *) xevent); + return GDK_FILTER_REMOVE; + } + /* _NET_SYSTEM_TRAY_OPCODE: SYSTEM_TRAY_BEGIN_MESSAGE */ + else if (xevent->xclient.message_type == manager->opcode_atom && + xevent->xclient.data.l[1] == SYSTEM_TRAY_BEGIN_MESSAGE) + { + na_tray_manager_handle_begin_message (manager, + (XClientMessageEvent *) event); + return GDK_FILTER_REMOVE; + } + /* _NET_SYSTEM_TRAY_OPCODE: SYSTEM_TRAY_CANCEL_MESSAGE */ + else if (xevent->xclient.message_type == manager->opcode_atom && + xevent->xclient.data.l[1] == SYSTEM_TRAY_CANCEL_MESSAGE) + { + na_tray_manager_handle_cancel_message (manager, + (XClientMessageEvent *) event); + return GDK_FILTER_REMOVE; + } + /* _NET_SYSTEM_TRAY_MESSAGE_DATA */ + else if (xevent->xclient.message_type == manager->message_data_atom) + { + na_tray_manager_handle_message_data (manager, + (XClientMessageEvent *) event); + return GDK_FILTER_REMOVE; + } + } + else if (xevent->type == SelectionClear) + { + g_signal_emit (manager, manager_signals[LOST_SELECTION], 0); + na_tray_manager_unmanage (manager); + } + + return GDK_FILTER_CONTINUE; +} + +#if 0 +//FIXME investigate why this doesn't work +static gboolean +na_tray_manager_selection_clear_event (GtkWidget *widget, + GdkEventSelection *event, + NaTrayManager *manager) +{ + g_signal_emit (manager, manager_signals[LOST_SELECTION], 0); + na_tray_manager_unmanage (manager); + + return FALSE; +} +#endif +#endif + +static void +na_tray_manager_unmanage (NaTrayManager *manager) +{ +#ifdef GDK_WINDOWING_X11 + GdkDisplay *display; + guint32 timestamp; + GtkWidget *invisible; + GdkWindow *window; + + if (manager->invisible == NULL) + return; + + invisible = manager->invisible; + window = gtk_widget_get_window (invisible); + + g_assert (GTK_IS_INVISIBLE (invisible)); + g_assert (gtk_widget_get_realized (invisible)); + g_assert (GDK_IS_WINDOW (window)); + + display = gtk_widget_get_display (invisible); + + if (gdk_selection_owner_get_for_display (display, manager->selection_atom) == + window) + { + timestamp = gdk_x11_get_server_time (window); + gdk_selection_owner_set_for_display (display, + NULL, + manager->selection_atom, + timestamp, + TRUE); + } + + gdk_window_remove_filter (window, + na_tray_manager_window_filter, manager); + + manager->invisible = NULL; /* prior to destroy for reentrancy paranoia */ + gtk_widget_destroy (invisible); + g_object_unref (G_OBJECT (invisible)); +#endif +} + +static void +na_tray_manager_set_orientation_property (NaTrayManager *manager) +{ +#ifdef GDK_WINDOWING_X11 + GdkWindow *window; + GdkDisplay *display; + Atom orientation_atom; + gulong data[1]; + + g_return_if_fail (manager->invisible != NULL); + window = gtk_widget_get_window (manager->invisible); + g_return_if_fail (window != NULL); + + display = gtk_widget_get_display (manager->invisible); + orientation_atom = gdk_x11_get_xatom_by_name_for_display (display, + "_NET_SYSTEM_TRAY_ORIENTATION"); + + data[0] = manager->orientation == GTK_ORIENTATION_HORIZONTAL ? + SYSTEM_TRAY_ORIENTATION_HORZ : + SYSTEM_TRAY_ORIENTATION_VERT; + + XChangeProperty (GDK_DISPLAY_XDISPLAY (display), + GDK_WINDOW_XID (window), + orientation_atom, + XA_CARDINAL, 32, + PropModeReplace, + (guchar *) &data, 1); +#endif +} + +static void +na_tray_manager_set_visual_property (NaTrayManager *manager) +{ +#ifdef GDK_WINDOWING_X11 + GdkWindow *window; + GdkDisplay *display; + Visual *xvisual; + Atom visual_atom; + gulong data[1]; + + g_return_if_fail (manager->invisible != NULL); + window = gtk_widget_get_window (manager->invisible); + g_return_if_fail (window != NULL); + + /* The visual property is a hint to the tray icons as to what visual they + * should use for their windows. If the X server has RGBA colormaps, then + * we tell the tray icons to use a RGBA colormap and we'll composite the + * icon onto its parents with real transparency. Otherwise, we just tell + * the icon to use our colormap, and we'll do some hacks with parent + * relative backgrounds to simulate transparency. + */ + + display = gtk_widget_get_display (manager->invisible); + visual_atom = gdk_x11_get_xatom_by_name_for_display (display, + "_NET_SYSTEM_TRAY_VISUAL"); + + if (gdk_screen_get_rgba_visual (manager->screen) != NULL && + gdk_display_supports_composite (display)) + { + xvisual = GDK_VISUAL_XVISUAL (gdk_screen_get_rgba_visual (manager->screen)); + } + else + { + /* We actually want the visual of the tray where the icons will + * be embedded. In almost all cases, this will be the same as the visual + * of the screen. + */ + xvisual = GDK_VISUAL_XVISUAL (gdk_screen_get_system_visual (manager->screen)); + } + + data[0] = XVisualIDFromVisual (xvisual); + + XChangeProperty (GDK_DISPLAY_XDISPLAY (display), + GDK_WINDOW_XID (window), + visual_atom, + XA_VISUALID, 32, + PropModeReplace, + (guchar *) &data, 1); +#endif +} + +static void +na_tray_manager_set_padding_property (NaTrayManager *manager) +{ +#ifdef GDK_WINDOWING_X11 + GdkWindow *window; + GdkDisplay *display; + Atom atom; + gulong data[1]; + + g_return_if_fail (manager->invisible != NULL); + window = gtk_widget_get_window (manager->invisible); + g_return_if_fail (window != NULL); + + display = gtk_widget_get_display (manager->invisible); + atom = gdk_x11_get_xatom_by_name_for_display (display, + "_NET_SYSTEM_TRAY_PADDING"); + + data[0] = manager->padding; + + XChangeProperty (GDK_DISPLAY_XDISPLAY (display), + GDK_WINDOW_XID (window), + atom, + XA_CARDINAL, 32, + PropModeReplace, + (guchar *) &data, 1); +#endif +} + +static void +na_tray_manager_set_icon_size_property (NaTrayManager *manager) +{ +#ifdef GDK_WINDOWING_X11 + GdkWindow *window; + GdkDisplay *display; + Atom atom; + gulong data[1]; + + g_return_if_fail (manager->invisible != NULL); + window = gtk_widget_get_window (manager->invisible); + g_return_if_fail (window != NULL); + + display = gtk_widget_get_display (manager->invisible); + atom = gdk_x11_get_xatom_by_name_for_display (display, + "_NET_SYSTEM_TRAY_ICON_SIZE"); + + data[0] = manager->icon_size; + + XChangeProperty (GDK_DISPLAY_XDISPLAY (display), + GDK_WINDOW_XID (window), + atom, + XA_CARDINAL, 32, + PropModeReplace, + (guchar *) &data, 1); +#endif +} + +static void +na_tray_manager_set_colors_property (NaTrayManager *manager) +{ +#ifdef GDK_WINDOWING_X11 + GdkWindow *window; + GdkDisplay *display; + Atom atom; + gulong data[12]; + + g_return_if_fail (manager->invisible != NULL); + window = gtk_widget_get_window (manager->invisible); + g_return_if_fail (window != NULL); + + display = gtk_widget_get_display (manager->invisible); + atom = gdk_x11_get_xatom_by_name_for_display (display, + "_NET_SYSTEM_TRAY_COLORS"); + + data[0] = manager->fg.red * 65535; + data[1] = manager->fg.green * 65535; + data[2] = manager->fg.blue * 65535; + data[3] = manager->error.red * 65535; + data[4] = manager->error.green * 65535; + data[5] = manager->error.blue * 65535; + data[6] = manager->warning.red * 65535; + data[7] = manager->warning.green * 65535; + data[8] = manager->warning.blue * 65535; + data[9] = manager->success.red * 65535; + data[10] = manager->success.green * 65535; + data[11] = manager->success.blue * 65535; + + XChangeProperty (GDK_DISPLAY_XDISPLAY (display), + GDK_WINDOW_XID (window), + atom, + XA_CARDINAL, 32, + PropModeReplace, + (guchar *) &data, 12); +#endif +} + +#ifdef GDK_WINDOWING_X11 + +static gboolean +na_tray_manager_manage_screen_x11 (NaTrayManager *manager, + GdkScreen *screen) +{ + GdkDisplay *display; + Screen *xscreen; + GtkWidget *invisible; + GdkWindow *window; + char *selection_atom_name; + guint32 timestamp; + + g_return_val_if_fail (NA_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 (na_tray_manager_check_running_screen_x11 (screen)) + return FALSE; +#endif + + manager->screen = screen; + + display = gdk_screen_get_display (screen); + xscreen = GDK_SCREEN_XSCREEN (screen); + + 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", + gdk_screen_get_number (screen)); + manager->selection_atom = gdk_atom_intern (selection_atom_name, FALSE); + g_free (selection_atom_name); + + manager->invisible = invisible; + g_object_ref (G_OBJECT (manager->invisible)); + + na_tray_manager_set_orientation_property (manager); + na_tray_manager_set_visual_property (manager); + na_tray_manager_set_padding_property (manager); + na_tray_manager_set_icon_size_property (manager); + na_tray_manager_set_colors_property (manager); + + window = gtk_widget_get_window (invisible); + + timestamp = gdk_x11_get_server_time (window); + + /* Check if we could set the selection owner successfully */ + if (gdk_selection_owner_set_for_display (display, + window, + manager->selection_atom, + timestamp, + TRUE)) + { + XClientMessageEvent xev; + GdkAtom opcode_atom; + GdkAtom message_data_atom; + + xev.type = ClientMessage; + xev.window = RootWindowOfScreen (xscreen); + xev.message_type = gdk_x11_get_xatom_by_name_for_display (display, + "MANAGER"); + + xev.format = 32; + xev.data.l[0] = timestamp; + xev.data.l[1] = gdk_x11_atom_to_xatom_for_display (display, + manager->selection_atom); + xev.data.l[2] = GDK_WINDOW_XID (window); + xev.data.l[3] = 0; /* manager specific data */ + xev.data.l[4] = 0; /* manager specific data */ + + XSendEvent (GDK_DISPLAY_XDISPLAY (display), + RootWindowOfScreen (xscreen), + False, StructureNotifyMask, (XEvent *)&xev); + + opcode_atom = gdk_atom_intern ("_NET_SYSTEM_TRAY_OPCODE", FALSE); + manager->opcode_atom = gdk_x11_atom_to_xatom_for_display (display, + opcode_atom); + + message_data_atom = gdk_atom_intern ("_NET_SYSTEM_TRAY_MESSAGE_DATA", + FALSE); + + manager->message_data_atom = gdk_x11_atom_to_xatom_for_display (display, + message_data_atom); + + /* Add a window filter */ +#if 0 + /* This is for when we lose the selection of _NET_SYSTEM_TRAY_Sx */ + g_signal_connect (invisible, "selection-clear-event", + G_CALLBACK (na_tray_manager_selection_clear_event), + manager); +#endif + /* This is for SYSTEM_TRAY_REQUEST_DOCK and SelectionClear */ + gdk_window_add_filter (window, + na_tray_manager_window_filter, manager); + return TRUE; + } + else + { + gtk_widget_destroy (invisible); + g_object_unref (invisible); + manager->invisible = NULL; + + manager->screen = NULL; + + return FALSE; + } +} + +#endif + +gboolean +na_tray_manager_manage_screen (NaTrayManager *manager, + GdkScreen *screen) +{ + g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE); + g_return_val_if_fail (manager->screen == NULL, FALSE); + +#ifdef GDK_WINDOWING_X11 + return na_tray_manager_manage_screen_x11 (manager, screen); +#else + return FALSE; +#endif +} + +#ifdef GDK_WINDOWING_X11 + +static gboolean +na_tray_manager_check_running_screen_x11 (GdkScreen *screen) +{ + GdkDisplay *display; + Atom selection_atom; + char *selection_atom_name; + + display = gdk_screen_get_display (screen); + selection_atom_name = g_strdup_printf ("_NET_SYSTEM_TRAY_S%d", + gdk_screen_get_number (screen)); + selection_atom = gdk_x11_get_xatom_by_name_for_display (display, + selection_atom_name); + g_free (selection_atom_name); + + if (XGetSelectionOwner (GDK_DISPLAY_XDISPLAY (display), + selection_atom) != None) + return TRUE; + else + return FALSE; +} + +#endif + +gboolean +na_tray_manager_check_running (GdkScreen *screen) +{ + g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE); + +#ifdef GDK_WINDOWING_X11 + return na_tray_manager_check_running_screen_x11 (screen); +#else + return FALSE; +#endif +} + +void +na_tray_manager_set_orientation (NaTrayManager *manager, + GtkOrientation orientation) +{ + g_return_if_fail (NA_IS_TRAY_MANAGER (manager)); + + if (manager->orientation != orientation) + { + manager->orientation = orientation; + + na_tray_manager_set_orientation_property (manager); + + g_object_notify (G_OBJECT (manager), "orientation"); + } +} + +void +na_tray_manager_set_padding (NaTrayManager *manager, + gint padding) +{ + g_return_if_fail (NA_IS_TRAY_MANAGER (manager)); + + if (manager->padding != padding) + { + manager->padding = padding; + + na_tray_manager_set_padding_property (manager); + } +} + +void +na_tray_manager_set_icon_size (NaTrayManager *manager, + gint icon_size) +{ + g_return_if_fail (NA_IS_TRAY_MANAGER (manager)); + + if (manager->icon_size != icon_size) + { + manager->icon_size = icon_size; + + na_tray_manager_set_icon_size_property (manager); + } +} + +void +na_tray_manager_set_colors (NaTrayManager *manager, + GdkRGBA *fg, + GdkRGBA *error, + GdkRGBA *warning, + GdkRGBA *success) +{ + g_return_if_fail (NA_IS_TRAY_MANAGER (manager)); + + if (!gdk_rgba_equal (&manager->fg, fg) || + !gdk_rgba_equal (&manager->error, error) || + !gdk_rgba_equal (&manager->warning, warning) || + !gdk_rgba_equal (&manager->success, success)) + { + manager->fg = *fg; + manager->error = *error; + manager->warning = *warning; + manager->success = *success; + + na_tray_manager_set_colors_property (manager); + } +} + +GtkOrientation +na_tray_manager_get_orientation (NaTrayManager *manager) +{ + g_return_val_if_fail (NA_IS_TRAY_MANAGER (manager), GTK_ORIENTATION_HORIZONTAL); + + return manager->orientation; +} |