main.c: redo properly button management in linphone_gtk_update_call_buttons()

.gitignore

@@ -89,3 +89,4 @@ tester/record_for_lc_*.wav
 tester/record-call_with_file_player.wav
 tester/ZIDCache*.xml
 
+tester/stereo-record.wav

gtk/main.c

@@ -447,28 +447,28 @@ GtkWidget *linphone_gtk_create_widget_2(const char *filename, const char *widget
 	GtkBuilder *builder = gtk_builder_new();
 	GError *error = NULL;
 	GObject *obj;
-	
+
 	if(get_ui_file(filename, path, sizeof(path)) == -1) goto end;
-	
+
 	gtk_builder_set_translation_domain(builder, GETTEXT_PACKAGE);
-	
+
 	if(gtk_builder_add_from_file(builder, path, &error) == 0) {
 		g_error("Couldn't load builder file: %s", error->message);
 		g_error_free(error);
 		goto end;
 	}
-	
+
 	obj = gtk_builder_get_object(builder, widget_name);
 	if(obj == NULL) {
 		g_error("'%s' widget not found", widget_name);
 		goto end;
 	}
-	
+
 	w = GTK_WIDGET(obj);
 	g_object_set_data_full(obj, "builder", builder, g_object_unref);
 	gtk_widget_unparent(w);
-	
-	
+
+
 end:
 	return w;
 }
@@ -870,22 +870,12 @@ static void linphone_gtk_update_call_buttons(LinphoneCall *call){
 	GtkWidget *mw=linphone_gtk_get_main_window();
 	const MSList *calls=linphone_core_get_calls(lc);
 	GtkWidget *button;
-	bool_t start_active=TRUE;
-	//bool_t stop_active=FALSE;
-	bool_t add_call=FALSE;
+	bool_t add_call=(calls!=NULL);
 	int call_list_size=ms_list_size(calls);
 	GtkWidget *conf_frame;
 
-	if (calls==NULL){
-		start_active=TRUE;
-		//stop_active=FALSE;
-	}else{
-		//stop_active=TRUE;
-		start_active=TRUE;
-		add_call=TRUE;
-	}
 	button=linphone_gtk_get_widget(mw,"start_call");
-	gtk_widget_set_sensitive(button,start_active);
+	gtk_widget_set_sensitive(button,TRUE);
 	gtk_widget_set_visible(button,!add_call);
 
 	button=linphone_gtk_get_widget(mw,"add_call");
@@ -893,10 +883,10 @@ static void linphone_gtk_update_call_buttons(LinphoneCall *call){
 	if (linphone_core_sound_resources_locked(lc) || (call && linphone_call_get_state(call)==LinphoneCallIncomingReceived)) {
 		gtk_widget_set_sensitive(button,FALSE);
 	} else {
-		gtk_widget_set_sensitive(button,start_active);
+		gtk_widget_set_sensitive(button,TRUE);
 	}
 	gtk_widget_set_visible(button,add_call);
- 
+
 	//gtk_widget_set_sensitive(linphone_gtk_get_widget(mw,"terminate_call"),stop_active);
 	conf_frame=(GtkWidget *)g_object_get_data(G_OBJECT(mw),"conf_frame");
 	if(conf_frame==NULL){