gtk-traymanager (empty) → 0.1.0
raw patch · 8 files changed
+1559/−0 lines, 8 filesdep +basedep +glibdep +gtksetup-changed
Dependencies added: base, glib, gtk
Files
- LICENSE +504/−0
- README.md +15/−0
- Setup.hs +2/−0
- gtk-traymanager.cabal +33/−0
- src/Graphics/UI/Gtk/Misc/TrayManager.hs +240/−0
- src/c/eggmarshalers.c +163/−0
- src/c/eggtraymanager.c +595/−0
- src/c/gdk-helper.c +7/−0
+ LICENSE view
@@ -0,0 +1,504 @@+ GNU LESSER GENERAL PUBLIC LICENSE+ Version 2.1, February 1999++ Copyright (C) 1991, 1999 Free Software Foundation, Inc.+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA+ Everyone is permitted to copy and distribute verbatim copies+ of this license document, but changing it is not allowed.++[This is the first released version of the Lesser GPL. It also counts+ as the successor of the GNU Library Public License, version 2, hence+ the version number 2.1.]++ Preamble++ The licenses for most software are designed to take away your+freedom to share and change it. By contrast, the GNU General Public+Licenses are intended to guarantee your freedom to share and change+free software--to make sure the software is free for all its users.++ This license, the Lesser General Public License, applies to some+specially designated software packages--typically libraries--of the+Free Software Foundation and other authors who decide to use it. 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+ README.md view
@@ -0,0 +1,15 @@+This package wraps the venerable eggtraymanager code, which implements+the freedesktop.org+[system tray protocol](http://standards.freedesktop.org/systemtray-spec/systemtray-spec-0.2.html).+The code seems to have originated somewhere in the GNOME project a+long time ago; I took it from+[trayer-srg](https://github.com/sargon/trayer-srg/). The only change+I made was to cast a few `long` variables in parameters to `uint64_t`+to make interoperability with Haskell easier.++By itself, this code is not a system tray widget. It is, however, an+integral part of one. This package exports a simple GObject (for use+with gtk2hs) that emits events when system tray events occur. A+system tray widget would listen for these events and respond. See the+haddock documentation for details.+
+ Setup.hs view
@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain
+ gtk-traymanager.cabal view
@@ -0,0 +1,33 @@+name: gtk-traymanager+version: 0.1.0+synopsis: A wrapper around the eggtraymanager library for Linux system trays+license: LGPL-2.1+license-file: LICENSE+author: Tristan Ravitch+maintainer: travitch@cs.wisc.edu+category: Graphics+build-type: Simple+cabal-version: >=1.10+extra-source-files: README.md+stability: experimental+homepage: http://github.com/travitch/gtk-traymanager+description: This package provides a wrapper around the prolific eggtraymanager code.+ Note that it is *NOT* itself a system tray widget, though it is a very+ convenient utility for implementing one. This package adopts the style+ of gtk2hs and is designed to work well with it.+++library+ default-language: Haskell2010+ exposed-modules: Graphics.UI.Gtk.Misc.TrayManager+ build-depends: gtk >= 0.12 && < 0.13, glib >= 0.12 && < 0.13, base > 3 && < 5+ pkgconfig-depends: gtk+-2.0, x11+ hs-source-dirs: src+ c-sources: src/c/eggtraymanager.c, src/c/eggmarshalers.c, src/c/gdk-helper.c+ ghc-options: -Wall+ cc-options: -g+ ghc-prof-options: -auto-all++source-repository head+ type: git+ location: git://github.com/travitch/gtk-traymanager.git
+ src/Graphics/UI/Gtk/Misc/TrayManager.hs view
@@ -0,0 +1,240 @@+{-# LANGUAGE ForeignFunctionInterface, EmptyDataDecls #-}+-- | This module implements a TrayManager - an integral part of a+-- Linux system tray widget, though it is not itself a widget. This+-- package exports a single GObject (for use with gtk2hs) that+-- implements the freedesktop.org system tray specification (it+-- handles receiving events and translating them into convenient+-- signals, along with the messy work of dealing with XEMBED).+--+-- The basic usage of the object is to:+--+-- 1. Instantiate the object with 'trayManagerNew'+--+-- 2. Have it manage a specific screen with 'trayManagerManageScreen'+--+-- 3. Set up handlers for the events exposed by the tray (e.g., 'trayIconAdded').+--+-- As an example, a functional system tray widget looks something like:+--+-- > import Graphics.UI.Gtk+-- > import Graphics.UI.Gtk.Misc.TrayManager+-- > systrayNew = do+-- > box <- hBoxNew False 5+-- > trayManager <- rayManagerNew+-- > Just screen <- screenGetDefault+-- > trayManagerManageScreen trayManager screen+-- > on trayManager trayIconAdded $ \w -> do+-- > widgetShowAll w+-- > boxPackStart box w PackNatural 0+--+-- Note that the widgets made available in the event handlers are not+-- shown by default; you need to explicitly show them if you want that+-- (and you probably do).+module Graphics.UI.Gtk.Misc.TrayManager (+ -- * Types+ TrayManager,+ TrayManagerChild,+ TrayManagerClass,+ castToTrayManager,+ toTrayManager,+ gTypeTrayManager,++ -- * Functions+ trayManagerCheckRunning,+ trayManagerNew,+ trayManagerManageScreen,+ trayManagerGetChildTitle,++ -- * Signals+ trayIconAdded,+ trayIconRemoved,+ trayMessageSent,+ trayMessageCanceled,+ trayLostSelection+ ) where++import Graphics.UI.Gtk hiding ( after )+import Graphics.UI.Gtk.Abstract.Object ( makeNewObject )+import Graphics.UI.GtkInternals+import System.Glib.GError ( failOnGError )+import System.Glib.GObject+import System.Glib.GType+import System.Glib.UTFString ( peekUTFString )++import Control.Monad ( liftM )++import Foreign+import Foreign.C.String ( CString, peekCString )+import Foreign.C.Types+import Unsafe.Coerce ( unsafeCoerce )++newtype TrayManager = TrayManager (ForeignPtr TrayManager)+ deriving (Eq, Ord)+type TrayManagerChild = Ptr EggTrayManagerChild++-- Empty data tags to classify some foreign pointers+data EggTrayManager+data EggTrayManagerChild++foreign import ccall "egg_tray_manager_check_running"+ c_egg_tray_manager_check_running :: Ptr Screen -> IO CInt++trayManagerCheckRunning :: Screen -> IO Bool+trayManagerCheckRunning gdkScreen = do+ let ptrScreen = unsafeCoerce gdkScreen :: ForeignPtr Screen+ withForeignPtr ptrScreen $ \realPtr -> do+ res <- c_egg_tray_manager_check_running realPtr+ return (res /= 0)++mkTrayManager :: (ForeignPtr TrayManager -> TrayManager, FinalizerPtr a)+mkTrayManager = (TrayManager, objectUnrefFromMainloop)++unTrayManager :: TrayManager -> ForeignPtr TrayManager+unTrayManager (TrayManager o) = o++class GObjectClass o => TrayManagerClass o+toTrayManager :: TrayManagerClass o => o -> TrayManager+toTrayManager = unsafeCastGObject . toGObject++instance TrayManagerClass TrayManager+instance ObjectClass TrayManager+instance GObjectClass TrayManager where+ toGObject = GObject . castForeignPtr . unTrayManager+ unsafeCastGObject = TrayManager . castForeignPtr . unGObject++castToTrayManager :: GObjectClass o => o -> TrayManager+castToTrayManager = castTo gTypeTrayManager "TrayManager"++foreign import ccall "egg_tray_manager_get_type"+ c_egg_tray_manager_get_type :: CULong++gTypeTrayManager :: GType+gTypeTrayManager = fromIntegral c_egg_tray_manager_get_type++foreign import ccall "egg_tray_manager_new"+ c_egg_tray_manager_new :: IO (Ptr EggTrayManager)++trayManagerNew :: IO TrayManager+trayManagerNew =+ makeNewObject mkTrayManager $ liftM (castPtr :: Ptr EggTrayManager -> Ptr TrayManager) $+ c_egg_tray_manager_new+ -- tm <- c_egg_tray_manager_new+ -- return (unsafeCoerce tm)++foreign import ccall "egg_tray_manager_manage_screen"+ c_egg_tray_manager_manage_screen :: Ptr EggTrayManager -> Ptr Screen -> IO CInt++trayManagerManageScreen :: TrayManager -> Screen -> IO Bool+trayManagerManageScreen trayManager screen = do+ let ptrManager = unsafeCoerce trayManager :: ForeignPtr EggTrayManager+ ptrScreen = unsafeCoerce screen :: ForeignPtr Screen+ res <- withForeignPtr ptrManager $ \realManager -> do+ withForeignPtr ptrScreen $ \realScreen -> do+ c_egg_tray_manager_manage_screen realManager realScreen+ return (res /= 0)++foreign import ccall "egg_tray_manager_get_child_title"+ c_egg_tray_manager_get_child_title :: Ptr EggTrayManager -> Ptr EggTrayManagerChild -> IO (Ptr CChar)+++trayManagerGetChildTitle :: TrayManager -> TrayManagerChild -> IO String+trayManagerGetChildTitle trayManager child = do+ let ptrManager = unsafeCoerce trayManager :: ForeignPtr EggTrayManager+ res <- withForeignPtr ptrManager $ \realManager -> do+ c_egg_tray_manager_get_child_title realManager child+ peekCString res++-- | The signal emitted when a new tray icon is added. These are+-- delivered even for systray icons that already exist when the tray+-- manager is created.+trayIconAdded :: (TrayManagerClass self) => Signal self (Widget -> IO ())+trayIconAdded = Signal (connect_OBJECT__NONE "tray_icon_added")++-- | This signal is emitted when a tray icon is removed by its parent+-- application. No action is really necessary here (the icon is+-- removed without any intervention). You could do something here if+-- you wanted, though.+trayIconRemoved :: (TrayManagerClass self) => Signal self (Widget -> IO ())+trayIconRemoved = Signal (connect_OBJECT__NONE "tray_icon_removed")++-- | This signal is emitted when the application that displayed an+-- icon wants a semi-persistent notification displayed for its icon.+-- The standard doesn't seem to require that these be honored.+trayMessageSent :: (TrayManagerClass self) => Signal self (Widget -> String -> Int64 -> Int64 -> IO ())+trayMessageSent = Signal (connect_OBJECT_STRING_INT64_INT64__NONE "message_sent")++-- | Similarly, the applciation can send this to cancel a previous+-- persistent message.+trayMessageCanceled :: (TrayManagerClass self) => Signal self (Widget -> Int64 -> IO ())+trayMessageCanceled = Signal (connect_OBJECT_INT64__NONE "message_canceled")++-- | ??+trayLostSelection :: (TrayManagerClass self) => Signal self (IO ())+trayLostSelection = Signal (connect_NONE__NONE "lost_selection")+++-- Boilerplate stolen from gtk to make this library compatible. These+-- functions aren't exported at all so I just copied them.++-- stolen from gtk+castTo :: (GObjectClass obj, GObjectClass obj') => GType -> String -> (obj -> obj')+castTo gtype objTypeName obj =+ case toGObject obj of+ gobj@(GObject objFPtr)+ | typeInstanceIsA ((unsafeForeignPtrToPtr.castForeignPtr) objFPtr) gtype+ -> unsafeCastGObject gobj+ | otherwise -> error $ "Cannot cast object to " ++ objTypeName++connect_OBJECT__NONE ::+ (GObjectClass a', GObjectClass obj) => SignalName ->+ ConnectAfter -> obj ->+ (a' -> IO ()) ->+ IO (ConnectId obj)+connect_OBJECT__NONE signal after obj user =+ connectGeneric signal after obj action+ where action :: Ptr GObject -> Ptr GObject -> IO ()+ action _ obj1 =+ failOnGError $+ makeNewGObject (GObject, objectUnrefFromMainloop) (return obj1) >>= \obj1' ->+ user (unsafeCastGObject obj1')++connect_NONE__NONE ::+ GObjectClass obj => SignalName ->+ ConnectAfter -> obj ->+ (IO ()) ->+ IO (ConnectId obj)+connect_NONE__NONE signal after obj user =+ connectGeneric signal after obj action+ where action :: Ptr GObject -> IO ()+ action _ =+ failOnGError $+ user++connect_OBJECT_INT64__NONE :: (GObjectClass a', GObjectClass obj)+ => SignalName+ -> ConnectAfter+ -> obj+ -> (a' -> Int64 -> IO ())+ -> IO (ConnectId obj)+connect_OBJECT_INT64__NONE signal after obj user =+ connectGeneric signal after obj action+ where+ action :: Ptr GObject -> Ptr GObject -> Int64 -> IO ()+ action _ obj1 int2 =+ failOnGError $ makeNewGObject (GObject, objectUnrefFromMainloop) (return obj1) >>= \obj1' ->+ user (unsafeCastGObject obj1') int2++connect_OBJECT_STRING_INT64_INT64__NONE :: (GObjectClass a', GObjectClass obj)+ => SignalName+ -> ConnectAfter+ -> obj+ -> (a' -> String -> Int64 -> Int64 -> IO ())+ -> IO (ConnectId obj)+connect_OBJECT_STRING_INT64_INT64__NONE signal after obj user =+ connectGeneric signal after obj action+ where+ action :: Ptr GObject -> Ptr GObject -> CString -> Int64 -> Int64 -> IO ()+ action _ obj1 str2 int3 int4 =+ failOnGError $ makeNewGObject (GObject, objectUnrefFromMainloop) (return obj1) >>= \obj1' ->+ peekUTFString str2 >>= \str2' ->+ user (unsafeCastGObject obj1') str2' int3 int4
+ src/c/eggmarshalers.c view
@@ -0,0 +1,163 @@+#include <glib-object.h>+#include <stdint.h>++#ifdef G_ENABLE_DEBUG+#define g_marshal_value_peek_boolean(v) g_value_get_boolean (v)+#define g_marshal_value_peek_char(v) g_value_get_char (v)+#define g_marshal_value_peek_uchar(v) g_value_get_uchar (v)+#define g_marshal_value_peek_int(v) g_value_get_int (v)+#define g_marshal_value_peek_uint(v) g_value_get_uint (v)+#define g_marshal_value_peek_long(v) g_value_get_long (v)+#define g_marshal_value_peek_ulong(v) g_value_get_ulong (v)+#define g_marshal_value_peek_int64(v) g_value_get_int64 (v)+#define g_marshal_value_peek_uint64(v) g_value_get_uint64 (v)+#define g_marshal_value_peek_enum(v) g_value_get_enum (v)+#define g_marshal_value_peek_flags(v) g_value_get_flags (v)+#define g_marshal_value_peek_float(v) g_value_get_float (v)+#define g_marshal_value_peek_double(v) g_value_get_double (v)+#define g_marshal_value_peek_string(v) (char*) g_value_get_string (v)+#define g_marshal_value_peek_param(v) g_value_get_param (v)+#define g_marshal_value_peek_boxed(v) g_value_get_boxed (v)+#define g_marshal_value_peek_pointer(v) g_value_get_pointer (v)+#define g_marshal_value_peek_object(v) g_value_get_object (v)+#else /* !G_ENABLE_DEBUG */+/* WARNING: This code accesses GValues directly, which is UNSUPPORTED API.+ * Do not access GValues directly in your code. Instead, use the+ * g_value_get_*() functions+ */+#define g_marshal_value_peek_boolean(v) (v)->data[0].v_int+#define g_marshal_value_peek_char(v) (v)->data[0].v_int+#define g_marshal_value_peek_uchar(v) (v)->data[0].v_uint+#define g_marshal_value_peek_int(v) (v)->data[0].v_int+#define g_marshal_value_peek_uint(v) (v)->data[0].v_uint+#define g_marshal_value_peek_long(v) (v)->data[0].v_long+#define g_marshal_value_peek_ulong(v) (v)->data[0].v_ulong+#define g_marshal_value_peek_int64(v) (v)->data[0].v_int64+#define g_marshal_value_peek_uint64(v) (v)->data[0].v_uint64+#define g_marshal_value_peek_enum(v) (v)->data[0].v_int+#define g_marshal_value_peek_flags(v) (v)->data[0].v_uint+#define g_marshal_value_peek_float(v) (v)->data[0].v_float+#define g_marshal_value_peek_double(v) (v)->data[0].v_double+#define g_marshal_value_peek_string(v) (v)->data[0].v_pointer+#define g_marshal_value_peek_param(v) (v)->data[0].v_pointer+#define g_marshal_value_peek_boxed(v) (v)->data[0].v_pointer+#define g_marshal_value_peek_pointer(v) (v)->data[0].v_pointer+#define g_marshal_value_peek_object(v) (v)->data[0].v_pointer+#endif /* !G_ENABLE_DEBUG */+++/* VOID:OBJECT,OBJECT (eggmarshalers.list:1) */+void+_egg_marshal_VOID__OBJECT_OBJECT (GClosure *closure,+ GValue *return_value,+ guint n_param_values,+ const GValue *param_values,+ gpointer invocation_hint,+ gpointer marshal_data)+{+ typedef void (*GMarshalFunc_VOID__OBJECT_OBJECT) (gpointer data1,+ gpointer arg_1,+ gpointer arg_2,+ gpointer data2);+ register GMarshalFunc_VOID__OBJECT_OBJECT callback;+ register GCClosure *cc = (GCClosure*) closure;+ register gpointer data1, data2;++ g_return_if_fail (n_param_values == 3);++ if (G_CCLOSURE_SWAP_DATA (closure))+ {+ data1 = closure->data;+ data2 = g_value_peek_pointer (param_values + 0);+ }+ else+ {+ data1 = g_value_peek_pointer (param_values + 0);+ data2 = closure->data;+ }+ callback = (GMarshalFunc_VOID__OBJECT_OBJECT) (marshal_data ? marshal_data : cc->callback);++ callback (data1,+ g_marshal_value_peek_object (param_values + 1),+ g_marshal_value_peek_object (param_values + 2),+ data2);+}++/* VOID:OBJECT,STRING,LONG,LONG (eggmarshalers.list:2) */+void+_egg_marshal_VOID__OBJECT_STRING_LONG_LONG (GClosure *closure,+ GValue *return_value,+ guint n_param_values,+ const GValue *param_values,+ gpointer invocation_hint,+ gpointer marshal_data)+{+ typedef void (*GMarshalFunc_VOID__OBJECT_STRING_LONG_LONG) (gpointer data1,+ gpointer arg_1,+ gpointer arg_2,+ int64_t arg_3,+ int64_t arg_4,+ gpointer data2);+ register GMarshalFunc_VOID__OBJECT_STRING_LONG_LONG callback;+ register GCClosure *cc = (GCClosure*) closure;+ register gpointer data1, data2;++ g_return_if_fail (n_param_values == 5);++ if (G_CCLOSURE_SWAP_DATA (closure))+ {+ data1 = closure->data;+ data2 = g_value_peek_pointer (param_values + 0);+ }+ else+ {+ data1 = g_value_peek_pointer (param_values + 0);+ data2 = closure->data;+ }+ callback = (GMarshalFunc_VOID__OBJECT_STRING_LONG_LONG) (marshal_data ? marshal_data : cc->callback);++ callback (data1,+ g_marshal_value_peek_object (param_values + 1),+ g_marshal_value_peek_string (param_values + 2),+ (int64_t)g_marshal_value_peek_long (param_values + 3),+ (int64_t)g_marshal_value_peek_long (param_values + 4),+ data2);+}++/* VOID:OBJECT,LONG (eggmarshalers.list:3) */+void+_egg_marshal_VOID__OBJECT_LONG (GClosure *closure,+ GValue *return_value,+ guint n_param_values,+ const GValue *param_values,+ gpointer invocation_hint,+ gpointer marshal_data)+{+ typedef void (*GMarshalFunc_VOID__OBJECT_LONG) (gpointer data1,+ gpointer arg_1,+ int64_t arg_2,+ gpointer data2);+ register GMarshalFunc_VOID__OBJECT_LONG callback;+ register GCClosure *cc = (GCClosure*) closure;+ register gpointer data1, data2;++ g_return_if_fail (n_param_values == 3);++ if (G_CCLOSURE_SWAP_DATA (closure))+ {+ data1 = closure->data;+ data2 = g_value_peek_pointer (param_values + 0);+ }+ else+ {+ data1 = g_value_peek_pointer (param_values + 0);+ data2 = closure->data;+ }+ callback = (GMarshalFunc_VOID__OBJECT_LONG) (marshal_data ? marshal_data : cc->callback);++ callback (data1,+ g_marshal_value_peek_object (param_values + 1),+ (int64_t)g_marshal_value_peek_long (param_values + 2),+ data2);+}+
+ src/c/eggtraymanager.c view
@@ -0,0 +1,595 @@+/* 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 <string.h>+#include <gdk/gdkx.h>+#include <gtk/gtkinvisible.h>+#include <gtk/gtksocket.h>+#include <gtk/gtkwindow.h>+#include "eggtraymanager.h"+#include "eggmarshalers.h"+#include "panel.h"+#include "gdk-helper.h"++/* Signals */+enum+{+ TRAY_ICON_ADDED,+ TRAY_ICON_REMOVED,+ MESSAGE_SENT,+ MESSAGE_CANCELLED,+ LOST_SELECTION,+ LAST_SIGNAL+};++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++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_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;+ + 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);+}++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 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);+ + 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_helper_display(), "UTF8_STRING", False);+ atom = XInternAtom (gdk_helper_display(), "_NET_WM_NAME", False);++ gdk_error_trap_push ();++ result = XGetWindowProperty (gdk_helper_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;++}
+ src/c/gdk-helper.c view
@@ -0,0 +1,7 @@+#include <gdk/gdkx.h>++#include "gdk-helper.h"++Display* gdk_helper_display() { + return gdk_x11_display_get_xdisplay(gdk_display_get_default());+}