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authorColomban Wendling <[email protected]>2017-01-19 18:46:10 +0100
committerlukefromdc <[email protected]>2017-01-23 13:49:34 -0500
commit7d39b2e82f46777efa67224f078c1cec9e827654 (patch)
tree7a415a153f4a3afb52358ed8a34ced08c25bdc5c /applets/notification_area/system-tray/na-tray.c
parenta506150684ad2e71b1f70190ee70fe9eda7a4ba9 (diff)
downloadmate-panel-7d39b2e82f46777efa67224f078c1cec9e827654.tar.bz2
mate-panel-7d39b2e82f46777efa67224f078c1cec9e827654.tar.xz
Add StatusNotifier support to the Notification Area applet
The StatusNotifier part of the implementation is based off gnome-panel's status-notifier applet.
Diffstat (limited to 'applets/notification_area/system-tray/na-tray.c')
-rw-r--r--applets/notification_area/system-tray/na-tray.c730
1 files changed, 730 insertions, 0 deletions
diff --git a/applets/notification_area/system-tray/na-tray.c b/applets/notification_area/system-tray/na-tray.c
new file mode 100644
index 00000000..c2488ecf
--- /dev/null
+++ b/applets/notification_area/system-tray/na-tray.c
@@ -0,0 +1,730 @@
+/*
+ * Copyright (C) 2002 Red Hat, Inc.
+ * Copyright (C) 2003-2006 Vincent Untz
+ * Copyright (C) 2007 Christian Persch
+ * Copyright (C) 2017 Colomban Wendling <[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., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <config.h>
+#include <string.h>
+
+#include <gtk/gtk.h>
+
+#include "na-tray-manager.h"
+#include "fixedtip.h"
+
+#include "na-tray.h"
+
+typedef struct
+{
+ NaTrayManager *tray_manager;
+ GSList *all_trays;
+ GHashTable *icon_table;
+ GHashTable *tip_table;
+} TraysScreen;
+
+struct _NaTrayPrivate
+{
+ GdkScreen *screen;
+ TraysScreen *trays_screen;
+
+ guint idle_redraw_id;
+
+ GtkOrientation orientation;
+ gint icon_padding;
+ gint icon_size;
+};
+
+typedef struct
+{
+ char *text;
+ glong id;
+ glong timeout;
+} IconTipBuffer;
+
+typedef struct
+{
+ NaTray *tray; /* tray containing the tray icon */
+ GtkWidget *icon; /* tray icon sending the message */
+ GtkWidget *fixedtip;
+ guint source_id;
+ glong id; /* id of the current message */
+ GSList *buffer; /* buffered messages */
+} IconTip;
+
+enum
+{
+ PROP_0,
+ PROP_ORIENTATION,
+ PROP_ICON_PADDING,
+ PROP_ICON_SIZE,
+ PROP_SCREEN
+};
+
+static gboolean initialized = FALSE;
+static TraysScreen *trays_screens = NULL;
+
+static void icon_tip_show_next (IconTip *icontip);
+
+/* NaTray */
+static void na_host_init (NaHostInterface *iface);
+static void na_tray_style_updated (NaHost *host,
+ GtkStyleContext *context);
+static void na_tray_force_redraw (NaHost *host);
+
+G_DEFINE_TYPE_WITH_CODE (NaTray, na_tray, G_TYPE_OBJECT,
+ G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE, NULL)
+ G_IMPLEMENT_INTERFACE (NA_TYPE_HOST, na_host_init))
+
+static void
+na_host_init (NaHostInterface *iface)
+{
+ iface->force_redraw = na_tray_force_redraw;
+ iface->style_updated = na_tray_style_updated;
+}
+
+static NaTray *
+get_tray (TraysScreen *trays_screen)
+{
+ if (trays_screen->all_trays == NULL)
+ return NULL;
+
+ return trays_screen->all_trays->data;
+}
+
+static void
+tray_added (NaTrayManager *manager,
+ NaTrayChild *icon,
+ TraysScreen *trays_screen)
+{
+ NaTray *tray;
+ NaTrayPrivate *priv;
+
+ tray = get_tray (trays_screen);
+ if (tray == NULL)
+ return;
+
+ priv = tray->priv;
+
+ g_assert (priv->trays_screen == trays_screen);
+
+ g_hash_table_insert (trays_screen->icon_table, icon, tray);
+
+ na_host_emit_item_added (NA_HOST (tray), NA_ITEM (icon));
+
+ gtk_widget_show (GTK_WIDGET (icon));
+}
+
+static void
+tray_removed (NaTrayManager *manager,
+ NaTrayChild *icon,
+ TraysScreen *trays_screen)
+{
+ NaTray *tray;
+
+ tray = g_hash_table_lookup (trays_screen->icon_table, icon);
+ if (tray == NULL)
+ return;
+
+ g_assert (tray->priv->trays_screen == trays_screen);
+
+ na_host_emit_item_removed (NA_HOST (tray), NA_ITEM (icon));
+
+ g_hash_table_remove (trays_screen->icon_table, icon);
+ /* this will also destroy the tip associated to this icon */
+ g_hash_table_remove (trays_screen->tip_table, icon);
+}
+
+static void
+icon_tip_buffer_free (gpointer data,
+ gpointer userdata)
+{
+ IconTipBuffer *buffer;
+
+ buffer = data;
+
+ g_free (buffer->text);
+ buffer->text = NULL;
+
+ g_free (buffer);
+}
+
+static void
+icon_tip_free (gpointer data)
+{
+ IconTip *icontip;
+
+ if (data == NULL)
+ return;
+
+ icontip = data;
+
+ if (icontip->fixedtip != NULL)
+ gtk_widget_destroy (GTK_WIDGET (icontip->fixedtip));
+ icontip->fixedtip = NULL;
+
+ if (icontip->source_id != 0)
+ g_source_remove (icontip->source_id);
+ icontip->source_id = 0;
+
+ if (icontip->buffer != NULL)
+ {
+ g_slist_foreach (icontip->buffer, icon_tip_buffer_free, NULL);
+ g_slist_free (icontip->buffer);
+ }
+ icontip->buffer = NULL;
+
+ g_free (icontip);
+}
+
+static int
+icon_tip_buffer_compare (gconstpointer a,
+ gconstpointer b)
+{
+ const IconTipBuffer *buffer_a = a;
+ const IconTipBuffer *buffer_b = b;
+
+ if (buffer_a == NULL || buffer_b == NULL)
+ return !(buffer_a == buffer_b);
+
+ return buffer_a->id - buffer_b->id;
+}
+
+static void
+icon_tip_show_next_clicked (GtkWidget *widget,
+ gpointer data)
+{
+ icon_tip_show_next ((IconTip *) data);
+}
+
+static gboolean
+icon_tip_show_next_timeout (gpointer data)
+{
+ IconTip *icontip = (IconTip *) data;
+
+ icon_tip_show_next (icontip);
+
+ return FALSE;
+}
+
+static void
+icon_tip_show_next (IconTip *icontip)
+{
+ IconTipBuffer *buffer;
+
+ if (icontip->buffer == NULL)
+ {
+ /* this will also destroy the tip window */
+ g_hash_table_remove (icontip->tray->priv->trays_screen->tip_table,
+ icontip->icon);
+ return;
+ }
+
+ if (icontip->source_id != 0)
+ g_source_remove (icontip->source_id);
+ icontip->source_id = 0;
+
+ buffer = icontip->buffer->data;
+ icontip->buffer = g_slist_remove (icontip->buffer, buffer);
+
+ if (icontip->fixedtip == NULL)
+ {
+ icontip->fixedtip = na_fixed_tip_new (icontip->icon,
+ gtk_orientable_get_orientation (GTK_ORIENTABLE (icontip->tray)));
+
+ g_signal_connect (icontip->fixedtip, "clicked",
+ G_CALLBACK (icon_tip_show_next_clicked), icontip);
+ }
+
+ na_fixed_tip_set_markup (icontip->fixedtip, buffer->text);
+
+ if (!gtk_widget_get_mapped (icontip->fixedtip))
+ gtk_widget_show (icontip->fixedtip);
+
+ icontip->id = buffer->id;
+
+ if (buffer->timeout > 0)
+ icontip->source_id = g_timeout_add_seconds (buffer->timeout,
+ icon_tip_show_next_timeout,
+ icontip);
+
+ icon_tip_buffer_free (buffer, NULL);
+}
+
+static void
+message_sent (NaTrayManager *manager,
+ GtkWidget *icon,
+ const char *text,
+ glong id,
+ glong timeout,
+ TraysScreen *trays_screen)
+{
+ IconTip *icontip;
+ IconTipBuffer find_buffer;
+ IconTipBuffer *buffer;
+ gboolean show_now;
+
+ icontip = g_hash_table_lookup (trays_screen->tip_table, icon);
+
+ find_buffer.id = id;
+ if (icontip &&
+ (icontip->id == id ||
+ g_slist_find_custom (icontip->buffer, &find_buffer,
+ icon_tip_buffer_compare) != NULL))
+ /* we already have this message, so ignore it */
+ /* FIXME: in an ideal world, we'd remember all the past ids and ignore them
+ * too */
+ return;
+
+ show_now = FALSE;
+
+ if (icontip == NULL)
+ {
+ NaTray *tray;
+
+ tray = g_hash_table_lookup (trays_screen->icon_table, icon);
+ if (tray == NULL)
+ {
+ /* We don't know about the icon sending the message, so ignore it.
+ * But this should never happen since NaTrayManager shouldn't send
+ * us the message if there's no socket for it. */
+ g_critical ("Ignoring a message sent by a tray icon "
+ "we don't know: \"%s\".\n", text);
+ return;
+ }
+
+ icontip = g_new0 (IconTip, 1);
+ icontip->tray = tray;
+ icontip->icon = icon;
+
+ g_hash_table_insert (trays_screen->tip_table, icon, icontip);
+
+ show_now = TRUE;
+ }
+
+ buffer = g_new0 (IconTipBuffer, 1);
+
+ buffer->text = g_strdup (text);
+ buffer->id = id;
+ buffer->timeout = timeout;
+
+ icontip->buffer = g_slist_append (icontip->buffer, buffer);
+
+ if (show_now)
+ icon_tip_show_next (icontip);
+}
+
+static void
+message_cancelled (NaTrayManager *manager,
+ GtkWidget *icon,
+ glong id,
+ TraysScreen *trays_screen)
+{
+ IconTip *icontip;
+ IconTipBuffer find_buffer;
+ GSList *cancel_buffer_l;
+ IconTipBuffer *cancel_buffer;
+
+ icontip = g_hash_table_lookup (trays_screen->tip_table, icon);
+ if (icontip == NULL)
+ return;
+
+ if (icontip->id == id)
+ {
+ icon_tip_show_next (icontip);
+ return;
+ }
+
+ find_buffer.id = id;
+ cancel_buffer_l = g_slist_find_custom (icontip->buffer, &find_buffer,
+ icon_tip_buffer_compare);
+ if (cancel_buffer_l == NULL)
+ return;
+
+ cancel_buffer = cancel_buffer_l->data;
+ icon_tip_buffer_free (cancel_buffer, NULL);
+
+ icontip->buffer = g_slist_remove_link (icontip->buffer, cancel_buffer_l);
+ g_slist_free_1 (cancel_buffer_l);
+}
+
+static void
+update_orientation_for_messages (gpointer key,
+ gpointer value,
+ gpointer data)
+{
+ NaTray *tray;
+ IconTip *icontip;
+
+ if (value == NULL)
+ return;
+
+ icontip = value;
+ tray = data;
+ if (icontip->tray != tray)
+ return;
+
+ if (icontip->fixedtip)
+ na_fixed_tip_set_orientation (icontip->fixedtip, tray->priv->orientation);
+}
+
+static void
+update_size_and_orientation (NaTray *tray)
+{
+ NaTrayPrivate *priv = tray->priv;
+
+ /* This only happens when setting the property during object construction */
+ if (!priv->trays_screen)
+ return;
+
+ g_hash_table_foreach (priv->trays_screen->tip_table,
+ update_orientation_for_messages, tray);
+
+ if (get_tray (priv->trays_screen) == tray)
+ na_tray_manager_set_orientation (priv->trays_screen->tray_manager,
+ priv->orientation);
+}
+
+static void
+na_tray_init (NaTray *tray)
+{
+ NaTrayPrivate *priv;
+
+ priv = tray->priv = G_TYPE_INSTANCE_GET_PRIVATE (tray, NA_TYPE_TRAY, NaTrayPrivate);
+
+ priv->screen = NULL;
+ priv->orientation = GTK_ORIENTATION_HORIZONTAL;
+ priv->icon_padding = 0;
+ priv->icon_size = 0;
+}
+
+static GObject *
+na_tray_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_params)
+{
+ GObject *object;
+ NaTray *tray;
+ NaTrayPrivate *priv;
+ int screen_number;
+
+ object = G_OBJECT_CLASS (na_tray_parent_class)->constructor (type,
+ n_construct_properties,
+ construct_params);
+ tray = NA_TRAY (object);
+ priv = tray->priv;
+
+ g_assert (priv->screen != NULL);
+
+ if (!initialized)
+ {
+ trays_screens = g_new0 (TraysScreen, 1);
+ initialized = TRUE;
+ }
+
+ screen_number = gdk_screen_get_number (priv->screen);
+
+ if (trays_screens [screen_number].tray_manager == NULL)
+ {
+ NaTrayManager *tray_manager;
+
+ tray_manager = na_tray_manager_new ();
+
+ if (na_tray_manager_manage_screen (tray_manager, priv->screen))
+ {
+ trays_screens [screen_number].tray_manager = tray_manager;
+
+ g_signal_connect (tray_manager, "tray_icon_added",
+ G_CALLBACK (tray_added),
+ &trays_screens [screen_number]);
+ g_signal_connect (tray_manager, "tray_icon_removed",
+ G_CALLBACK (tray_removed),
+ &trays_screens [screen_number]);
+ g_signal_connect (tray_manager, "message_sent",
+ G_CALLBACK (message_sent),
+ &trays_screens [screen_number]);
+ g_signal_connect (tray_manager, "message_cancelled",
+ G_CALLBACK (message_cancelled),
+ &trays_screens [screen_number]);
+
+ trays_screens [screen_number].icon_table = g_hash_table_new (NULL,
+ NULL);
+ trays_screens [screen_number].tip_table = g_hash_table_new_full (
+ NULL,
+ NULL,
+ NULL,
+ icon_tip_free);
+ }
+ else
+ {
+ g_printerr ("System tray didn't get the system tray manager selection for screen %d\n",
+ screen_number);
+ g_object_unref (tray_manager);
+ }
+ }
+
+ priv->trays_screen = &trays_screens [screen_number];
+ trays_screens [screen_number].all_trays = g_slist_append (trays_screens [screen_number].all_trays,
+ tray);
+
+ update_size_and_orientation (tray);
+
+ return object;
+}
+
+static void
+na_tray_dispose (GObject *object)
+{
+ NaTray *tray = NA_TRAY (object);
+ NaTrayPrivate *priv = tray->priv;
+ TraysScreen *trays_screen = priv->trays_screen;
+
+ if (trays_screen != NULL)
+ {
+ trays_screen->all_trays = g_slist_remove (trays_screen->all_trays, tray);
+
+ if (trays_screen->all_trays == NULL)
+ {
+ /* Make sure we drop the manager selection */
+ g_object_unref (trays_screen->tray_manager);
+ trays_screen->tray_manager = NULL;
+
+ g_hash_table_destroy (trays_screen->icon_table);
+ trays_screen->icon_table = NULL;
+
+ g_hash_table_destroy (trays_screen->tip_table);
+ trays_screen->tip_table = NULL;
+ }
+ else
+ {
+ NaTray *new_tray;
+
+ new_tray = get_tray (trays_screen);
+ if (new_tray != NULL)
+ na_tray_manager_set_orientation (trays_screen->tray_manager,
+ gtk_orientable_get_orientation (GTK_ORIENTABLE (new_tray)));
+ }
+ }
+
+ priv->trays_screen = NULL;
+
+ if (priv->idle_redraw_id != 0)
+ {
+ g_source_remove (priv->idle_redraw_id);
+ priv->idle_redraw_id = 0;
+ }
+
+ G_OBJECT_CLASS (na_tray_parent_class)->dispose (object);
+}
+
+static void
+na_tray_set_orientation (NaTray *tray,
+ GtkOrientation orientation)
+{
+ NaTrayPrivate *priv = tray->priv;
+
+ if (orientation == priv->orientation)
+ return;
+
+ priv->orientation = orientation;
+
+ update_size_and_orientation (tray);
+}
+
+static void
+na_tray_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ NaTray *tray = NA_TRAY (object);
+ NaTrayPrivate *priv = tray->priv;
+
+ switch (prop_id)
+ {
+ case PROP_ORIENTATION:
+ na_tray_set_orientation (tray, g_value_get_enum (value));
+ break;
+ case PROP_ICON_PADDING:
+ na_tray_set_padding (tray, g_value_get_int (value));
+ break;
+ case PROP_ICON_SIZE:
+ na_tray_set_icon_size (tray, g_value_get_int (value));
+ break;
+ case PROP_SCREEN:
+ priv->screen = g_value_get_object (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+na_tray_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ NaTray *tray = NA_TRAY (object);
+ NaTrayPrivate *priv = tray->priv;
+
+ switch (prop_id)
+ {
+ case PROP_ORIENTATION:
+ g_value_set_enum (value, tray->priv->orientation);
+ break;
+ case PROP_ICON_PADDING:
+ g_value_set_int (value, tray->priv->icon_padding);
+ break;
+ case PROP_ICON_SIZE:
+ g_value_set_int (value, tray->priv->icon_size);
+ break;
+ case PROP_SCREEN:
+ g_value_set_object (value, priv->screen);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+na_tray_class_init (NaTrayClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+ gobject_class->constructor = na_tray_constructor;
+ gobject_class->set_property = na_tray_set_property;
+ gobject_class->get_property = na_tray_get_property;
+ gobject_class->dispose = na_tray_dispose;
+
+ g_object_class_override_property (gobject_class, PROP_ORIENTATION, "orientation");
+
+ g_object_class_override_property (gobject_class, PROP_ICON_PADDING, "icon-padding");
+ g_object_class_override_property (gobject_class, PROP_ICON_SIZE, "icon-size");
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_SCREEN,
+ g_param_spec_object ("screen", "screen", "screen",
+ GDK_TYPE_SCREEN,
+ G_PARAM_WRITABLE |
+ G_PARAM_CONSTRUCT_ONLY |
+ G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK |
+ G_PARAM_STATIC_BLURB));
+
+ g_type_class_add_private (gobject_class, sizeof (NaTrayPrivate));
+}
+
+NaHost *
+na_tray_new_for_screen (GdkScreen *screen,
+ GtkOrientation orientation)
+{
+ return g_object_new (NA_TYPE_TRAY,
+ "screen", screen,
+ "orientation", orientation,
+ NULL);
+}
+
+void
+na_tray_set_padding (NaTray *tray,
+ gint padding)
+{
+ NaTrayPrivate *priv = tray->priv;
+
+ priv->icon_padding = padding;
+ if (get_tray (priv->trays_screen) == tray)
+ na_tray_manager_set_padding (priv->trays_screen->tray_manager, padding);
+}
+
+void
+na_tray_set_icon_size (NaTray *tray,
+ gint size)
+{
+ NaTrayPrivate *priv = tray->priv;
+
+ priv->icon_size = size;
+ if (get_tray (priv->trays_screen) == tray)
+ na_tray_manager_set_icon_size (priv->trays_screen->tray_manager, size);
+}
+
+static void
+na_tray_set_colors (NaTray *tray,
+ GdkRGBA *fg,
+ GdkRGBA *error,
+ GdkRGBA *warning,
+ GdkRGBA *success)
+{
+ NaTrayPrivate *priv = tray->priv;
+
+ if (get_tray (priv->trays_screen) == tray)
+ na_tray_manager_set_colors (priv->trays_screen->tray_manager, fg, error, warning, success);
+}
+
+static void
+na_tray_style_updated (NaHost *host,
+ GtkStyleContext *context)
+{
+ GdkRGBA fg;
+ GdkRGBA error;
+ GdkRGBA warning;
+ GdkRGBA success;
+
+ gtk_style_context_save (context);
+ gtk_style_context_set_state (context, GTK_STATE_FLAG_NORMAL);
+
+ gtk_style_context_get_color (context, GTK_STATE_FLAG_NORMAL, &fg);
+
+ if (!gtk_style_context_lookup_color (context, "error_color", &error))
+ error = fg;
+ if (!gtk_style_context_lookup_color (context, "warning_color", &warning))
+ warning = fg;
+ if (!gtk_style_context_lookup_color (context, "success_color", &success))
+ success = fg;
+
+ gtk_style_context_restore (context);
+
+ na_tray_set_colors (NA_TRAY (host), &fg, &error, &warning, &success);
+}
+
+static gboolean
+idle_redraw_cb (NaTray *tray)
+{
+ NaTrayPrivate *priv = tray->priv;
+
+ g_hash_table_foreach (priv->trays_screen->icon_table,
+ (GHFunc) na_tray_child_force_redraw, NULL);
+
+ priv->idle_redraw_id = 0;
+
+ return FALSE;
+}
+
+static void
+na_tray_force_redraw (NaHost *host)
+{
+ NaTray *tray = NA_TRAY (host);
+ NaTrayPrivate *priv = tray->priv;
+
+ /* Force the icons to redraw their backgrounds.
+ */
+ if (priv->idle_redraw_id == 0)
+ priv->idle_redraw_id = g_idle_add ((GSourceFunc) idle_redraw_cb, tray);
+}
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