input.cc: close dialog when parent is hidden (#21318)

* close dialog when parent is hidden

* Q_OBJECT

* apply reviews

* rebase master

* rebase master

* fix wroing minLength

* merge master
old-commit-hash: 5be75f5354

selfdrive/ui/qt/offroad/networking.cc

@@ -82,7 +82,7 @@ void Networking::connectToNetwork(const Network &n) {
   } else if (n.security_type == SecurityType::OPEN) {
     wifi->connect(n);
   } else if (n.security_type == SecurityType::WPA) {
-    QString pass = InputDialog::getText("Enter password for \"" + n.ssid + "\"", 8);
+    QString pass = InputDialog::getText("Enter password for \"" + n.ssid + "\"", this, 8);
     if (!pass.isEmpty()) {
       wifi->connect(n, pass);
     }
@@ -92,7 +92,7 @@ void Networking::connectToNetwork(const Network &n) {
 void Networking::wrongPassword(const QString &ssid) {
   for (Network n : wifi->seen_networks) {
     if (n.ssid == ssid) {
-      QString pass = InputDialog::getText("Wrong password for \"" + n.ssid +"\"", 8);
+      QString pass = InputDialog::getText("Wrong password for \"" + n.ssid +"\"", this, 8);
       if (!pass.isEmpty()) {
         wifi->connect(n, pass);
       }
@@ -125,7 +125,7 @@ AdvancedNetworking::AdvancedNetworking(QWidget* parent, WifiManager* wifi): QWid
   // Change tethering password
   ButtonControl *editPasswordButton = new ButtonControl("Tethering Password", "EDIT");
   connect(editPasswordButton, &ButtonControl::released, [=]() {
-    QString pass = InputDialog::getText("Enter new tethering password", 8, wifi->getTetheringPassword());
+    QString pass = InputDialog::getText("Enter new tethering password", this, 8, wifi->getTetheringPassword());
     if (!pass.isEmpty()) {
       wifi->changeTetheringPassword(pass);
     }

selfdrive/ui/qt/offroad/settings.cc

@@ -394,12 +394,4 @@ void SettingsWindow::hideEvent(QHideEvent *event) {
 #ifdef QCOM
   HardwareEon::close_activities();
 #endif
-
-  // TODO: this should be handled by the Dialog classes
-  QList<QWidget*> children = findChildren<QWidget *>();
-  for(auto &w : children) {
-    if(w->metaObject()->superClass()->className() == QString("QDialog")) {
-      w->close();
-    }
-  }
 }

selfdrive/ui/qt/setup/setup.cc

@@ -109,7 +109,7 @@ QWidget * Setup::software_selection() {
   QPushButton *custom_btn = new QPushButton("Custom");
   main_layout->addWidget(custom_btn);
   QObject::connect(custom_btn, &QPushButton::released, this, [=]() {
-    QString input_url = InputDialog::getText("Enter URL");
+    QString input_url = InputDialog::getText("Enter URL", this);
     if (input_url.size()) {
       this->download(input_url);
     }

selfdrive/ui/qt/widgets/input.cc

@@ -5,7 +5,19 @@
 #include "selfdrive/ui/qt/qt_window.h"
 #include "selfdrive/hardware/hw.h"
 
-InputDialog::InputDialog(const QString &prompt_text, QWidget *parent) : QDialog(parent) {
+QDialogBase::QDialogBase(QWidget *parent) : QDialog(parent) {
+  Q_ASSERT(parent != nullptr);
+  parent->installEventFilter(this);
+}
+
+bool QDialogBase::eventFilter(QObject *o, QEvent *e) {
+  if (o == parent() && e->type() == QEvent::Hide) {
+    reject();
+  }
+  return QDialog::eventFilter(o, e);
+}
+
+InputDialog::InputDialog(const QString &prompt_text, QWidget *parent) : QDialogBase(parent) {
   main_layout = new QVBoxLayout(this);
   main_layout->setContentsMargins(50, 50, 50, 50);
   main_layout->setSpacing(20);
@@ -57,8 +69,8 @@ InputDialog::InputDialog(const QString &prompt_text, QWidget *parent) : QDialog(
 
 }
 
-QString InputDialog::getText(const QString &prompt, int minLength, const QString &defaultText) {
-  InputDialog d = InputDialog(prompt);
+QString InputDialog::getText(const QString &prompt, QWidget *parent, int minLength, const QString &defaultText) {
+  InputDialog d = InputDialog(prompt, parent);
   d.line->setText(defaultText);
   d.setMinLength(minLength);
   const int ret = d.exec();
@@ -114,7 +126,7 @@ void InputDialog::setMinLength(int length) {
 }
 
 ConfirmationDialog::ConfirmationDialog(const QString &prompt_text, const QString &confirm_text, const QString &cancel_text,
-                                       QWidget *parent):QDialog(parent) {
+                                       QWidget *parent) : QDialogBase(parent) {
   setWindowFlags(Qt::Popup);
   main_layout = new QVBoxLayout(this);
   main_layout->setMargin(25);

selfdrive/ui/qt/widgets/input.h

@@ -9,12 +9,20 @@
 
 #include "selfdrive/ui/qt/widgets/keyboard.h"
 
-class InputDialog : public QDialog {
+class QDialogBase : public QDialog {
+  Q_OBJECT
+
+protected:
+  QDialogBase(QWidget *parent);
+  bool eventFilter(QObject *o, QEvent *e) override;  
+};
+
+class InputDialog : public QDialogBase {
   Q_OBJECT
 
 public:
-  explicit InputDialog(const QString &prompt_text, QWidget* parent = 0);
-  static QString getText(const QString &prompt, int minLength = -1, const QString &defaultText = "");
+  explicit InputDialog(const QString &prompt_text, QWidget *parent);
+  static QString getText(const QString &prompt, QWidget *parent, int minLength = -1, const QString &defaultText = "");
   QString text();
   void setMessage(const QString &message, bool clearInputField = true);
   void setMinLength(int length);
@@ -38,14 +46,14 @@ signals:
   void emitText(const QString &text);
 };
 
-class ConfirmationDialog : public QDialog {
+class ConfirmationDialog : public QDialogBase {
   Q_OBJECT
 
 public:
-  explicit ConfirmationDialog(const QString &prompt_text, const QString &confirm_text = "Ok",
-                              const QString &cancel_text = "Cancel", QWidget* parent = 0);
-  static bool alert(const QString &prompt_text, QWidget *parent = 0);
-  static bool confirm(const QString &prompt_text, QWidget *parent = 0);
+  explicit ConfirmationDialog(const QString &prompt_text, const QString &confirm_text,
+                              const QString &cancel_text, QWidget* parent);
+  static bool alert(const QString &prompt_text, QWidget *parent);
+  static bool confirm(const QString &prompt_text, QWidget *parent);
 
 private:
   QLabel *prompt;

selfdrive/ui/qt/widgets/ssh_keys.cc

@@ -11,7 +11,7 @@ SshControl::SshControl() : ButtonControl("SSH Keys", "", "Warning: This grants S
 
   QObject::connect(this, &ButtonControl::released, [=]() {
     if (text() == "ADD") {
-      QString username = InputDialog::getText("Enter your GitHub username");
+      QString username = InputDialog::getText("Enter your GitHub username", this);
       if (username.length() > 0) {
         setText("LOADING");
         setEnabled(false);
@@ -46,18 +46,18 @@ void SshControl::getUserKeys(const QString &username) {
       params.put("GithubUsername", username.toStdString());
       params.put("GithubSshKeys", resp.toStdString());
     } else {
-      ConfirmationDialog::alert("Username '" + username + "' has no keys on GitHub");
+      ConfirmationDialog::alert("Username '" + username + "' has no keys on GitHub", this);
     }
     refresh();
     request->deleteLater();
   });
   QObject::connect(request, &HttpRequest::failedResponse, [=] {
-    ConfirmationDialog::alert("Username '" + username + "' doesn't exist on GitHub");
+    ConfirmationDialog::alert("Username '" + username + "' doesn't exist on GitHub", this);
     refresh();
     request->deleteLater();
   });
   QObject::connect(request, &HttpRequest::timeoutResponse, [=] {
-    ConfirmationDialog::alert("Request timed out");
+    ConfirmationDialog::alert("Request timed out", this);
     refresh();
     request->deleteLater();
   });

selfdrive/ui/qt/widgets/ssh_keys.h

@@ -27,7 +27,6 @@ public:
 private:
   Params params;
 
-  QPushButton btn;
   QLabel username_label;
 
   void refresh();