Android Avd Dialog: Fix what the Name validator accepts

While at it, make non acceptable chars give better feedback.

Change-Id: I080f01592b2c8cbd6580734ca3e6fd46b9491106
Task-number: QTCREATORBUG-13589
Reviewed-by: BogDan Vatra <bogdan@kde.org>

src/libs/utils/tooltip/tooltip.cpp

@@ -180,6 +180,11 @@ bool ToolTip::isVisible()
     return t->m_tip && t->m_tip->isVisible();
 }
 
+QPoint ToolTip::offsetFromPosition()
+{
+    return QPoint(2, HostOsInfo::isWindowsHost() ? 21 : 16);
+}
+
 void ToolTip::showTip()
 {
 #if !defined(QT_NO_EFFECTS) && !defined(Q_OS_MAC)
@@ -249,7 +254,7 @@ void ToolTip::placeTip(const QPoint &pos, QWidget *w)
 {
     QRect screen = Internal::screenGeometry(pos, w);
     QPoint p = pos;
-    p += QPoint(2, HostOsInfo::isWindowsHost() ? 21 : 16);
+    p += offsetFromPosition();
     if (p.x() + m_tip->width() > screen.x() + screen.width())
         p.rx() -= 4 + m_tip->width();
     if (p.y() + m_tip->height() > screen.y() + screen.height())

src/libs/utils/tooltip/tooltip.h

@@ -82,6 +82,8 @@ public:
     static void hide();
     static bool isVisible();
 
+    static QPoint offsetFromPosition();
+
     // Helper to 'pin' (show as real window) a tooltip shown
     // using WidgetContent
     static bool pinToolTip(QWidget *w, QWidget *parent);

src/plugins/android/avddialog.cpp

@@ -30,17 +30,24 @@
 
 #include "avddialog.h"
 #include "androidconfigurations.h"
-#include <coreplugin/coreconstants.h>
 
+#include <coreplugin/coreconstants.h>
+#include <utils/tooltip/tooltip.h>
+
+#include <QKeyEvent>
 #include <QMessageBox>
+#include <QToolTip>
 
 using namespace Android;
 using namespace Android::Internal;
 
 AvdDialog::AvdDialog(int minApiLevel, const QString &targetArch, const AndroidConfig *config, QWidget *parent) :
-    QDialog(parent), m_config(config), m_minApiLevel(minApiLevel)
+    QDialog(parent), m_config(config), m_minApiLevel(minApiLevel),
+    m_allowedNameChars(QLatin1String("[a-z|A-Z|0-9|._-]*"))
 {
     m_avdDialog.setupUi(this);
+    m_hideTipTimer.setInterval(2000);
+    m_hideTipTimer.setSingleShot(true);
 
     if (targetArch.isEmpty())
         m_avdDialog.abiComboBox->addItems(QStringList()
@@ -51,15 +58,19 @@ AvdDialog::AvdDialog(int minApiLevel, const QString &targetArch, const AndroidCo
     else
         m_avdDialog.abiComboBox->addItems(QStringList(targetArch));
 
-    QRegExp rx(QLatin1String("\\S+"));
+    QRegExpValidator *v = new QRegExpValidator(m_allowedNameChars, this);
-    QRegExpValidator v(rx, 0);
+    m_avdDialog.nameLineEdit->setValidator(v);
-    m_avdDialog.nameLineEdit->setValidator(&v);
+    m_avdDialog.nameLineEdit->installEventFilter(this);
+
     m_avdDialog.warningIcon->setPixmap(QPixmap(QLatin1String(Core::Constants::ICON_WARNING)));
 
     updateApiLevelComboBox();
 
     connect(m_avdDialog.abiComboBox, SIGNAL(currentIndexChanged(int)),
             this, SLOT(updateApiLevelComboBox()));
+
+    connect(&m_hideTipTimer, &QTimer::timeout,
+            this, [](){Utils::ToolTip::hide();});
 }
 
 bool AvdDialog::isValid() const
@@ -115,3 +126,21 @@ void AvdDialog::updateApiLevelComboBox()
         m_avdDialog.warningText->setVisible(false);
     }
 }
+
+bool AvdDialog::eventFilter(QObject *obj, QEvent *event)
+{
+    if (obj == m_avdDialog.nameLineEdit && event->type() == QEvent::KeyPress) {
+        QKeyEvent *ke = static_cast<QKeyEvent *>(event);
+        const QString key = ke->text();
+        if (!key.isEmpty() && !m_allowedNameChars.exactMatch(key)) {
+            QPoint position = m_avdDialog.nameLineEdit->parentWidget()->mapToGlobal(m_avdDialog.nameLineEdit->geometry().bottomLeft());
+            position -= Utils::ToolTip::offsetFromPosition();
+            Utils::ToolTip::show(position, tr("Allowed characters are: a-z A-Z 0-9 and . _ -"), m_avdDialog.nameLineEdit);
+            m_hideTipTimer.start();
+        } else {
+            m_hideTipTimer.stop();
+            Utils::ToolTip::hide();
+        }
+    }
+    return QDialog::eventFilter(obj, event);
+}

src/plugins/android/avddialog.h

@@ -32,7 +32,9 @@
 #define AVDDIALOG_H
 
 #include "ui_addnewavddialog.h"
+
 #include <QDialog>
+#include <QTimer>
 
 namespace Android {
 class AndroidConfig;
@@ -51,12 +53,17 @@ public:
     QString abi() const;
     int sdcardSize() const;
     bool isValid() const;
+
 private slots:
     void updateApiLevelComboBox();
 private:
+    bool eventFilter(QObject *obj, QEvent *event);
+
     Ui::AddNewAVDDialog m_avdDialog;
     const AndroidConfig *m_config;
     int m_minApiLevel;
+    QTimer m_hideTipTimer;
+    QRegExp m_allowedNameChars;
 };
 }
 }