1/* Copyright (c) 2013-2014 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#include "GDBWindow.h"
  7
  8#include <QGridLayout>
  9#include <QGroupBox>
 10#include <QLabel>
 11#include <QLineEdit>
 12#include <QMessageBox>
 13#include <QPushButton>
 14#include <QVBoxLayout>
 15
 16#include "GDBController.h"
 17
 18using namespace QGBA;
 19
 20GDBWindow::GDBWindow(GDBController* controller, QWidget* parent)
 21	: QDialog(parent, Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint)
 22	, m_gdbController(controller)
 23{
 24	setWindowFlags(windowFlags() & ~Qt::WindowFullscreenButtonHint);
 25	QVBoxLayout* mainSegment = new QVBoxLayout;
 26	setLayout(mainSegment);
 27	QGroupBox* settings = new QGroupBox(tr("Server settings"));
 28	mainSegment->addWidget(settings);
 29
 30	QGridLayout* settingsGrid = new QGridLayout;
 31	settings->setLayout(settingsGrid);
 32
 33	QLabel* portLabel = new QLabel(tr("Local port"));
 34	settingsGrid->addWidget(portLabel, 0, 0, Qt::AlignRight);
 35	QLabel* bindAddressLabel = new QLabel(tr("Bind address"));
 36	settingsGrid->addWidget(bindAddressLabel, 1, 0, Qt::AlignRight);
 37
 38	m_portEdit = new QLineEdit("2345");
 39	m_portEdit->setMaxLength(5);
 40	connect(m_portEdit, SIGNAL(textChanged(const QString&)), this, SLOT(portChanged(const QString&)));
 41	settingsGrid->addWidget(m_portEdit, 0, 1, Qt::AlignLeft);
 42
 43	m_bindAddressEdit = new QLineEdit("0.0.0.0");
 44	m_bindAddressEdit->setMaxLength(15);
 45	connect(m_bindAddressEdit, SIGNAL(textChanged(const QString&)), this, SLOT(bindAddressChanged(const QString&)));
 46	settingsGrid->addWidget(m_bindAddressEdit, 1, 1, Qt::AlignLeft);
 47
 48	m_startStopButton = new QPushButton;
 49	mainSegment->addWidget(m_startStopButton);
 50	connect(m_gdbController, SIGNAL(listening()), this, SLOT(started()));
 51	connect(m_gdbController, SIGNAL(listenFailed()), this, SLOT(failed()));
 52
 53	if (m_gdbController->isAttached()) {
 54		started();
 55	} else {
 56		stopped();
 57	}
 58}
 59
 60void GDBWindow::portChanged(const QString& portString) {
 61	bool ok = false;
 62	ushort port = portString.toUShort(&ok);
 63	if (ok) {
 64		m_gdbController->setPort(port);
 65	}
 66}
 67
 68void GDBWindow::bindAddressChanged(const QString& bindAddressString) {
 69	bool ok = false;
 70	QStringList parts = bindAddressString.split('.');
 71	if (parts.length() != 4) {
 72		return;
 73	}
 74	int i;
 75	uint32_t address = 0;
 76	for (i = 0; i < 4; ++i) {
 77		ushort octet = parts[i].toUShort(&ok);
 78		if (!ok) {
 79			return;
 80		}
 81		if (octet > 0xFF) {
 82			return;
 83		}
 84		address <<= 8;
 85		address += octet;
 86	}
 87	m_gdbController->setBindAddress(address);
 88}
 89
 90void GDBWindow::started() {
 91	m_portEdit->setEnabled(false);
 92	m_bindAddressEdit->setEnabled(false);
 93	m_startStopButton->setText(tr("Stop"));
 94	disconnect(m_startStopButton, SIGNAL(clicked()), m_gdbController, SLOT(listen()));
 95	connect(m_startStopButton, SIGNAL(clicked()), m_gdbController, SLOT(detach()));
 96	connect(m_startStopButton, SIGNAL(clicked()), this, SLOT(stopped()));
 97}
 98
 99void GDBWindow::stopped() {
100	m_portEdit->setEnabled(true);
101	m_bindAddressEdit->setEnabled(true);
102	m_startStopButton->setText(tr("Start"));
103	disconnect(m_startStopButton, SIGNAL(clicked()), m_gdbController, SLOT(detach()));
104	disconnect(m_startStopButton, SIGNAL(clicked()), this, SLOT(stopped()));
105	connect(m_startStopButton, SIGNAL(clicked()), m_gdbController, SLOT(listen()));
106}
107
108void GDBWindow::failed() {
109	QMessageBox* failure = new QMessageBox(QMessageBox::Warning, tr("Crash"), tr("Could not start GDB server"),
110	                                       QMessageBox::Ok, this, Qt::Sheet);
111	failure->setAttribute(Qt::WA_DeleteOnClose);
112	failure->show();
113}