wpa_gui-qt4: Add context menu for peers dialog

Replace the clicked() event with more appropriate context menu
and add a WPS PIN entry as an example command.

wpa_supplicant/wpa_gui-qt4/peers.cpp

@@ -14,10 +14,15 @@
 
 #include <cstdio>
 #include <QImageReader>
+#include <QMessageBox>
 
 #include "wpagui.h"
+#include "stringquery.h"
 #include "peers.h"
 
+
+static const int peer_role_address = Qt::UserRole + 1;
+
 /*
  * TODO:
  * - add pending WPS queries (from M1/PIN, PBC?)
@@ -30,9 +35,6 @@ Peers::Peers(QWidget *parent, const char *, bool, Qt::WFlags)
 {
 	setupUi(this);
 
-	connect(peers, SIGNAL(clicked(QModelIndex)), this,
-		SLOT(clicked(QModelIndex)));
-
 	if (QImageReader::supportedImageFormats().contains(QByteArray("svg")))
 		default_icon = new QIcon(":/icons/wpa_gui.svg");
 	else
@@ -41,6 +43,10 @@ Peers::Peers(QWidget *parent, const char *, bool, Qt::WFlags)
 	peers->setModel(&model);
 	peers->setResizeMode(QListView::Adjust);
 
+	peers->setContextMenuPolicy(Qt::CustomContextMenu);
+	connect(peers, SIGNAL(customContextMenuRequested(const QPoint &)),
+		this, SLOT(context_menu(const QPoint &)));
+
 	wpagui = NULL;
 }
 
@@ -64,11 +70,56 @@ void Peers::languageChange()
 }
 
 
-void Peers::clicked(const QModelIndex & /*index*/)
+void Peers::context_menu(const QPoint &pos)
 {
-	/* QStandardItem *item = model.itemFromIndex(index); */
-	/* TODO: give an option to provide PIN for WPS, etc. */
-	/* printf("Clicked: %s\n", item->text().toAscii().constData()); */
+	QMenu *menu = new QMenu;
+	if (menu == NULL)
+		return;
+
+	QModelIndex idx = peers->indexAt(pos);
+	if (idx.isValid()) {
+		ctx_item = model.itemFromIndex(idx);
+		/* TODO: only for peers that are requesting WPS PIN method */
+		menu->addAction(QString("Enter WPS PIN"), this,
+				SLOT(enter_pin()));
+	} else {
+		ctx_item = NULL;
+		menu->addAction(QString("Refresh"), this, SLOT(ctx_refresh()));
+	}
+
+	menu->exec(peers->mapToGlobal(pos));
+}
+
+
+void Peers::enter_pin()
+{
+	if (ctx_item == NULL)
+		return;
+	QString addr = ctx_item->data(peer_role_address).toString();
+	StringQuery input(tr("PIN:"));
+	input.setWindowTitle(tr("PIN for ") + ctx_item->text());
+	if (input.exec() != QDialog::Accepted)
+		return;
+
+	char cmd[100];
+	char reply[100];
+	size_t reply_len;
+	snprintf(cmd, sizeof(cmd), "WPS_PIN %s %s",
+		 addr.toAscii().constData(),
+		 input.get_string().toAscii().constData());
+	reply_len = sizeof(reply) - 1;
+	if (wpagui->ctrlRequest(cmd, reply, &reply_len) < 0) {
+		QMessageBox msg;
+		msg.setIcon(QMessageBox::Warning);
+		msg.setText("Failed to set the WPS PIN.");
+		msg.exec();
+	}
+}
+
+
+void Peers::ctx_refresh()
+{
+	update_peers();
 }
 
 
@@ -115,6 +166,7 @@ void Peers::update_peers()
 
 		QStandardItem *item = new QStandardItem(*default_icon, name);
 		if (item) {
+			item->setData(QString(reply), peer_role_address);
 			item->setToolTip(info);
 			model.appendRow(item);
 		}

wpa_supplicant/wpa_gui-qt4/peers.h

@@ -32,7 +32,9 @@ public:
 	void setWpaGui(WpaGui *_wpagui);
 
 public slots:
-	virtual void clicked(const QModelIndex &index);
+	virtual void context_menu(const QPoint &pos);
+	virtual void enter_pin();
+	virtual void ctx_refresh();
 
 protected slots:
 	virtual void languageChange();
@@ -43,6 +45,7 @@ private:
 	WpaGui *wpagui;
 	QStandardItemModel model;
 	QIcon *default_icon;
+	QStandardItem *ctx_item;
 };
 
 #endif /* PEERS_H */

wpa_supplicant/wpa_gui-qt4/stringquery.cpp

@@ -0,0 +1,37 @@
+/*
+ * wpa_gui - StringQuery class
+ * Copyright (c) 2009, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include <cstdio>
+#include <QLabel>
+
+#include "stringquery.h"
+
+
+StringQuery::StringQuery(QString label)
+{
+	edit = new QLineEdit;
+	edit->setFocus();
+	QGridLayout *layout = new QGridLayout;
+	layout->addWidget(new QLabel(label), 0, 0);
+	layout->addWidget(edit, 0, 1);
+	setLayout(layout);
+
+	connect(edit, SIGNAL(returnPressed()), this, SLOT(accept()));
+}
+
+
+QString StringQuery::get_string()
+{
+	return edit->text();
+}

wpa_supplicant/wpa_gui-qt4/stringquery.h

@@ -0,0 +1,34 @@
+/*
+ * wpa_gui - StringQuery class
+ * Copyright (c) 2009, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef STRINGQUERY_H
+#define STRINGQUERY_H
+
+#include <QDialog>
+#include <QLineEdit>
+#include <QGridLayout>
+
+class StringQuery : public QDialog
+{
+	Q_OBJECT
+
+public:
+	StringQuery(QString label);
+	QString get_string();
+
+private:
+	QLineEdit *edit;
+};
+
+#endif /* STRINGQUERY_H */

wpa_supplicant/wpa_gui-qt4/wpa_gui.pro

@@ -36,7 +36,8 @@ HEADERS	+= wpamsg.h \
 	userdatarequest.h \
 	networkconfig.h \
 	addinterface.h \
-	peers.h
+	peers.h \
+	stringquery.h
 
 SOURCES	+= main.cpp \
 	wpagui.cpp \
@@ -46,6 +47,7 @@ SOURCES	+= main.cpp \
 	networkconfig.cpp \
 	addinterface.cpp \
 	peers.cpp \
+	stringquery.cpp \
 	../../src/common/wpa_ctrl.c
 
 RESOURCES += icons.qrc