missing file (autoconnects signal the way i wanted)

2007-02-09 16:35:34 +00:00 · 2007-02-09 16:35:34 +00:00 · e1d53d42dc
parent 391bb6ad64
commit e1d53d42dc
1 changed files with 124 additions and 0 deletions
--- a/desmume/src/gtk-glade/glade-xml.c
+++ b/desmume/src/gtk-glade/glade-xml.c
@ -0,0 +1,124 @@
+/* -*- Mode: C; c-basic-offset: 4 -*-
+ * libglade - a library for building interfaces from XML files at runtime
+ * Copyright (C) 1998-2002  James Henstridge <james@daa.com.au>
+ *
+ * glade-xml.c: implementation of core public interface functions
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library 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 "globals.h"
+#include <glade/glade-xml.h>
+#include <glade/glade-init.h>
+#include <glade/glade-build.h>
+#include <gmodule.h>
+
+typedef struct _GladeXMLPrivate nopriv_GladeXMLPrivate;
+static struct _GladeXMLPrivate {
+	GladeInterface *tree; /* the tree for this GladeXML */
+	GtkTooltips *tooltips; /* if not NULL, holds all tooltip info */
+	GHashTable *name_hash;
+	GHashTable *signals;
+	GtkWindow *toplevel;
+	GtkAccelGroup *accel_group;
+	GtkWidget *focus_widget;
+	GtkWidget *default_widget;
+	GList *deferred_props;
+};
+
+typedef struct _GladeSignalData GladeSignalData;
+struct _GladeSignalData {
+	GObject *signal_object;
+	char *signal_name;
+	char *connect_object; /* or NULL if there is none */
+	gboolean signal_after;
+};
+
+static void
+autoconnect_foreach_StringObject(const char *signal_handler, GList *signals,
+		    GModule *allsymbols)
+{
+	GCallback func;
+	
+	if (!g_module_symbol(allsymbols, signal_handler, (gpointer)&func))
+	g_warning("could not find signal handler '%s'.", signal_handler);
+	else
+	for (; signals != NULL; signals = signals->next) {
+		GladeSignalData *data = signals->data;
+		if (data->connect_object) {
+			GladeXML *self = glade_get_widget_tree(
+						GTK_WIDGET(data->signal_object));
+			char format[]="%_\0\0";
+			if (sscanf(data->connect_object,"%%%c:", &format[1])) {
+				float obj;
+				sscanf(data->connect_object+3,format, &obj);
+//				printf ("%f \n",obj);
+				if (data->signal_after)
+					g_signal_connect_after(data->signal_object, data->signal_name,
+						func, dyn_CAST(gpointer,obj));
+				else
+					g_signal_connect(data->signal_object, data->signal_name,
+						func, dyn_CAST(gpointer,obj));
+	
+			} else {
+				GObject *other = g_hash_table_lookup(self->priv->name_hash,
+							data->connect_object);
+				g_signal_connect_object(data->signal_object, data->signal_name,
+					func, other, (data->signal_after ? G_CONNECT_AFTER : 0)
+					| G_CONNECT_SWAPPED);
+			}
+		} else {
+		/* the signal_data argument is just a string, but may
+			* be helpful for someone */
+		if (data->signal_after)
+			g_signal_connect_after(data->signal_object,
+						data->signal_name, func, NULL);
+		else
+			g_signal_connect(data->signal_object, data->signal_name,
+					func, NULL);
+		}
+	}
+}
+
+/**
+ * glade_xml_signal_autoconnect_StringObject:
+ * @self: the GladeXML object.
+ *
+ * This function is a variation of glade_xml_signal_connect.  It uses
+ * gmodule's introspective features (by openning the module %NULL) to
+ * look at the application's symbol table.  From here it tries to match
+ * the signal handler names given in the interface description with
+ * symbols in the application and connects the signals.
+ * 
+ * Note that this function will not work correctly if gmodule is not
+ * supported on the platform.
+ */
+void
+glade_xml_signal_autoconnect_StringObject (GladeXML *self)
+{
+    GModule *allsymbols;
+    nopriv_GladeXMLPrivate * priv;
+
+    g_return_if_fail(self != NULL);
+    if (!g_module_supported())
+	g_error("glade_xml_signal_autoconnect requires working gmodule");
+
+    /* get a handle on the main executable -- use this to find symbols */
+    allsymbols = g_module_open(NULL, 0);
+    priv = (nopriv_GladeXMLPrivate *)self->priv;
+    g_hash_table_foreach(priv->signals, (GHFunc)autoconnect_foreach_StringObject,
+			 allsymbols);
+}