/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* eggtrayicon.c * Copyright (C) 2002 Anders Carlsson * * 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. */ /* Permission to use this file under wxWindows licence given by copyright holder: -------- From andersca@gnu.org Tue Dec 9 13:01:56 2003 Return-path: Envelope-to: vasek@localhost Delivery-date: Tue, 09 Dec 2003 13:04:35 +0100 Received: from localhost ([127.0.0.1] helo=amavis ident=amavis) by armitage with esmtp (Exim 3.35 #1) id 1ATgbS-0001Gs-00 for vasek@localhost; Tue, 09 Dec 2003 13:04:35 +0100 Received: from armitage ([127.0.0.1]) by amavis (armitage [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 04227-09 for ; Tue, 9 Dec 2003 13:04:11 +0100 (CET) Received: from localhost ([127.0.0.1] ident=fetchmail) by armitage with esmtp (Exim 3.35 #1) id 1ATgb5-0001GY-00 for vasek@localhost; Tue, 09 Dec 2003 13:04:11 +0100 Delivered-To: alias-email-slavikvaclav@seznam.cz Received: from pop3.seznam.cz [212.80.76.45] by localhost with POP3 (fetchmail-5.9.11) for vasek@localhost (single-drop); Tue, 09 Dec 2003 13:04:11 +0100 (CET) Received: (qmail 9861 invoked from network); 9 Dec 2003 12:02:17 -0000 Received: from unknown (HELO maxipes.logix.cz) (81.0.234.97) by buster.go.seznam.cz with SMTP; 9 Dec 2003 12:02:17 -0000 Received: by maxipes.logix.cz (Postfix, from userid 604) id 37E6D29A51; Tue, 9 Dec 2003 13:02:16 +0100 (CET) X-Original-To: vaclav.slavik@matfyz.cz Received: from mail.csbnet.se (glutus.csbnet.se [193.11.248.2]) by maxipes.logix.cz (Postfix) with ESMTP id 90D6A29A51 for ; Tue, 9 Dec 2003 13:02:15 +0100 (CET) Received: by mail.csbnet.se (Postfix, from userid 8) id 7AA7F10A6D7; Tue, 9 Dec 2003 13:02:14 +0100 (CET) Received: from carbon.csbnet.se (carbon.csbnet.se [193.11.248.180]) by mail.csbnet.se (Postfix) with ESMTP id A190F10A71D for ; Tue, 9 Dec 2003 13:01:56 +0100 (CET) Subject: Re: eggtrayicon.{c,h} licensing From: Anders Carlsson To: Vaclav Slavik In-Reply-To: <200312091142.54542.vaclav.slavik@matfyz.cz> References: <200312091142.54542.vaclav.slavik@matfyz.cz> Content-Type: text/plain Message-Id: <1070971316.30989.0.camel@carbon.csbnet.se> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.5 Date: Tue, 09 Dec 2003 13:01:56 +0100 Content-Transfer-Encoding: 7bit X-Scanned-By: CLAM (openantivirus DB) antivirus scanner at mail.csbnet.se X-Virus-Scanned: by amavisd-new-20030616-p5 (Debian) at armitage X-Spam-Status: No, hits=-4.9 tagged_above=-999.0 required=6.3 tests=BAYES_00 X-Spam-Level: Status: R X-Status: N X-KMail-EncryptionState: X-KMail-SignatureState: On tis, 2003-12-09 at 11:42 +0100, Vaclav Slavik wrote: > Hi, > > I'm working on the wxWindows cross-platform GUI toolkit > (http://www.wxwindows.org) which uses GTK+ and it would save me a lot > of time if I could use your eggtrayicon code to implement tray icons > on X11. Unfortunately I can't use it right now because it is not part > of any library we could depend on (as we do depend on GTK+) and would > have to be included in our sources and it is under the LGPL license. > The problem is that wxWindows' license is more permissive (see > http://www.opensource.org/licenses/wxwindows.php for details) and so > I can't take your code and put it under wxWindows licence. And I > can't put code that can't be used under the terms of wxWindows > License into wxWindows either. Do you think it would be possible to > get permission to include eggtrayicon under wxWindows licence? > > Thanks, > Vaclav > Sure, that's fine by me. Anders -------- */ #include "wx/platform.h" #include #ifdef __WXGTK20__ #include #if GTK_CHECK_VERSION(2, 1, 0) #include #include "eggtrayicon.h" #define SYSTEM_TRAY_REQUEST_DOCK 0 #define SYSTEM_TRAY_BEGIN_MESSAGE 1 #define SYSTEM_TRAY_CANCEL_MESSAGE 2 static GtkPlugClass *parent_class = NULL; static void egg_tray_icon_init (EggTrayIcon *icon); static void egg_tray_icon_class_init (EggTrayIconClass *klass); static void egg_tray_icon_unrealize (GtkWidget *widget); static void egg_tray_icon_update_manager_window (EggTrayIcon *icon); GType egg_tray_icon_get_type (void) { static GType our_type = 0; if (our_type == 0) { const GTypeInfo our_info = { sizeof (EggTrayIconClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) egg_tray_icon_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (EggTrayIcon), 0, /* n_preallocs */ (GInstanceInitFunc) egg_tray_icon_init }; our_type = g_type_register_static (GTK_TYPE_PLUG, "EggTrayIcon", &our_info, (GTypeFlags)0); } return our_type; } static void egg_tray_icon_init (EggTrayIcon *icon) { icon->stamp = 1; gtk_widget_add_events (GTK_WIDGET (icon), GDK_PROPERTY_CHANGE_MASK); } static void egg_tray_icon_class_init (EggTrayIconClass *klass) { GtkWidgetClass *widget_class = (GtkWidgetClass *)klass; parent_class = g_type_class_peek_parent (klass); widget_class->unrealize = egg_tray_icon_unrealize; } static GdkFilterReturn egg_tray_icon_manager_filter (GdkXEvent *xevent, GdkEvent *event, gpointer user_data) { EggTrayIcon *icon = user_data; XEvent *xev = (XEvent *)xevent; if (xev->xany.type == ClientMessage && xev->xclient.message_type == icon->manager_atom && xev->xclient.data.l[1] == icon->selection_atom) { egg_tray_icon_update_manager_window (icon); } else if (xev->xany.window == icon->manager_window) { if (xev->xany.type == DestroyNotify) { egg_tray_icon_update_manager_window (icon); } } return GDK_FILTER_CONTINUE; } static void egg_tray_icon_unrealize (GtkWidget *widget) { EggTrayIcon *icon = EGG_TRAY_ICON (widget); GdkWindow *root_window; if (icon->manager_window != None) { GdkWindow *gdkwin; gdkwin = gdk_window_lookup_for_display (gtk_widget_get_display (widget), icon->manager_window); gdk_window_remove_filter (gdkwin, egg_tray_icon_manager_filter, icon); } root_window = gdk_screen_get_root_window (gtk_widget_get_screen (widget)); gdk_window_remove_filter (root_window, egg_tray_icon_manager_filter, icon); if (GTK_WIDGET_CLASS (parent_class)->unrealize) (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget); } static void egg_tray_icon_send_manager_message (EggTrayIcon *icon, long message, Window window, long data1, long data2, long data3) { XClientMessageEvent ev; Display *display; ev.type = ClientMessage; ev.window = window; ev.message_type = icon->system_tray_opcode_atom; ev.format = 32; ev.data.l[0] = gdk_x11_get_server_time (GTK_WIDGET (icon)->window); ev.data.l[1] = message; ev.data.l[2] = data1; ev.data.l[3] = data2; ev.data.l[4] = data3; display = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon))); gdk_error_trap_push (); XSendEvent (display, icon->manager_window, False, NoEventMask, (XEvent *)&ev); XSync (display, False); gdk_error_trap_pop (); } static void egg_tray_icon_send_dock_request (EggTrayIcon *icon) { egg_tray_icon_send_manager_message (icon, SYSTEM_TRAY_REQUEST_DOCK, icon->manager_window, gtk_plug_get_id (GTK_PLUG (icon)), 0, 0); } static void egg_tray_icon_update_manager_window (EggTrayIcon *icon) { Display *xdisplay; xdisplay = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon))); if (icon->manager_window != None) { GdkWindow *gdkwin; gdkwin = gdk_window_lookup_for_display (gtk_widget_get_display (GTK_WIDGET (icon)), icon->manager_window); gdk_window_remove_filter (gdkwin, egg_tray_icon_manager_filter, icon); } XGrabServer (xdisplay); icon->manager_window = XGetSelectionOwner (xdisplay, icon->selection_atom); if (icon->manager_window != None) XSelectInput (xdisplay, icon->manager_window, StructureNotifyMask); XUngrabServer (xdisplay); XFlush (xdisplay); if (icon->manager_window != None) { GdkWindow *gdkwin; gdkwin = gdk_window_lookup_for_display (gtk_widget_get_display (GTK_WIDGET (icon)), icon->manager_window); gdk_window_add_filter (gdkwin, egg_tray_icon_manager_filter, icon); /* Send a request that we'd like to dock */ egg_tray_icon_send_dock_request (icon); } } EggTrayIcon * egg_tray_icon_new_for_xscreen (Screen *xscreen, const char *name) { EggTrayIcon *icon; char buffer[256]; GdkWindow *root_window; GdkDisplay *display; GdkScreen *screen; g_return_val_if_fail (xscreen != NULL, NULL); icon = g_object_new (EGG_TYPE_TRAY_ICON, NULL); gtk_window_set_title (GTK_WINDOW (icon), name); display = gdk_x11_lookup_xdisplay (DisplayOfScreen (xscreen)); screen = gdk_display_get_screen (display, XScreenNumberOfScreen (xscreen)); gtk_plug_construct_for_display (GTK_PLUG (icon), display, 0); gtk_window_set_screen (GTK_WINDOW (icon), screen); gtk_widget_realize (GTK_WIDGET (icon)); /* Now see if there's a manager window around */ g_snprintf (buffer, sizeof (buffer), "_NET_SYSTEM_TRAY_S%d", XScreenNumberOfScreen (xscreen)); icon->selection_atom = XInternAtom (DisplayOfScreen (xscreen), buffer, False); icon->manager_atom = XInternAtom (DisplayOfScreen (xscreen), "MANAGER", False); icon->system_tray_opcode_atom = XInternAtom (DisplayOfScreen (xscreen), "_NET_SYSTEM_TRAY_OPCODE", False); egg_tray_icon_update_manager_window (icon); root_window = gdk_screen_get_root_window (gtk_widget_get_screen (GTK_WIDGET (icon))); /* Add a root window filter so that we get changes on MANAGER */ gdk_window_add_filter (root_window, egg_tray_icon_manager_filter, icon); return icon; } EggTrayIcon * egg_tray_icon_new_for_screen (GdkScreen *screen, const char *name) { g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL); return egg_tray_icon_new_for_xscreen (GDK_SCREEN_XSCREEN (screen), name); } EggTrayIcon* egg_tray_icon_new (const gchar *name) { return egg_tray_icon_new_for_xscreen (DefaultScreenOfDisplay (gdk_display), name); } guint egg_tray_icon_send_message (EggTrayIcon *icon, gint timeout, const gchar *message, gint len) { guint stamp; g_return_val_if_fail (EGG_IS_TRAY_ICON (icon), 0); g_return_val_if_fail (timeout >= 0, 0); g_return_val_if_fail (message != NULL, 0); if (icon->manager_window == None) return 0; if (len < 0) len = strlen (message); stamp = icon->stamp++; /* Get ready to send the message */ egg_tray_icon_send_manager_message (icon, SYSTEM_TRAY_BEGIN_MESSAGE, (Window)gtk_plug_get_id (GTK_PLUG (icon)), timeout, len, stamp); /* Now to send the actual message */ gdk_error_trap_push (); while (len > 0) { XClientMessageEvent ev; Display *xdisplay; xdisplay = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon))); ev.type = ClientMessage; ev.window = (Window)gtk_plug_get_id (GTK_PLUG (icon)); ev.format = 8; ev.message_type = XInternAtom (xdisplay, "_NET_SYSTEM_TRAY_MESSAGE_DATA", False); if (len > 20) { memcpy (&ev.data, message, 20); len -= 20; message += 20; } else { memcpy (&ev.data, message, len); len = 0; } XSendEvent (xdisplay, icon->manager_window, False, StructureNotifyMask, (XEvent *)&ev); XSync (xdisplay, False); } gdk_error_trap_pop (); return stamp; } void egg_tray_icon_cancel_message (EggTrayIcon *icon, guint id) { g_return_if_fail (EGG_IS_TRAY_ICON (icon)); g_return_if_fail (id > 0); egg_tray_icon_send_manager_message (icon, SYSTEM_TRAY_CANCEL_MESSAGE, (Window)gtk_plug_get_id (GTK_PLUG (icon)), id, 0, 0); } #endif /* __WXGTK20__ */ #endif /* GTK_CHECK_VERSION(2, 1, 0) */