feat: Add button can see the password in login dialog.

src/windows/LoginDialog.cpp

@@ -34,6 +34,7 @@ LoginDialog::LoginDialog(QWidget* aParent)
     , mAccountEdit(new ULineEdit(mDialogFrame))
     , mPasswordEdit(new ULineEdit(mDialogFrame))
     , mLoginButton(nullptr)
+    , mShowPasswordButton(new QToolButton(this))
     , mErrorMessage(new QLabel(this))
     , mIsRunning(false)
     , mHideClickCount(0)
@@ -122,15 +123,37 @@ void LoginDialog::initializeDialogFrame()
 
 void LoginDialog::initializeEdit()
 {
+    QWidget* accountEditArea = new QWidget();
+    accountEditArea->setObjectName("LoginEditArea");
+    QHBoxLayout* accountEditAreaLayout = new QHBoxLayout(accountEditArea);
     mAccountEdit->setObjectName("combobox_UserName");
     mAccountEdit->setPlaceholderText(tr("Username"));
     mAccountEdit->setFocusPolicy(Qt::ClickFocus);
-    mDialogContentsLayout->addWidget(mAccountEdit);
+    accountEditAreaLayout->addWidget(mAccountEdit);
+    accountEditAreaLayout->addItem(new QSpacerItem(49,20,QSizePolicy::Fixed));
+    mDialogContentsLayout->addWidget(accountEditArea);
+
+    QWidget* passwordEditArea = new QWidget(this);
+    passwordEditArea->setObjectName("LoginEditArea");
+    QHBoxLayout* passwordEditAreaLayout = new QHBoxLayout(passwordEditArea);
     mPasswordEdit->setObjectName("edt_Password");
     mPasswordEdit->setEchoMode(QLineEdit::Password);
     mPasswordEdit->setPlaceholderText(tr("Password"));
     mPasswordEdit->setFocusPolicy(Qt::ClickFocus);
-    mDialogContentsLayout->addWidget(mPasswordEdit);
+    passwordEditAreaLayout->addWidget(mPasswordEdit);
+    passwordEditAreaLayout->addWidget(mShowPasswordButton);
+    mShowPasswordButton->setObjectName("ShowPasswordButton");
+    mDialogContentsLayout->addWidget(passwordEditArea);
+
+    connect(mShowPasswordButton, &QToolButton::pressed, [this]()
+    {
+        mPasswordEdit->setEchoMode(QLineEdit::Normal);
+    });
+
+    connect(mShowPasswordButton, &QToolButton::released, [this]()
+    {
+        mPasswordEdit->setEchoMode(QLineEdit::Password);
+    });
 }
 
 void LoginDialog::initializeLoginButton()

src/windows/LoginDialog.h

@@ -54,6 +54,7 @@ private:
     ULineEdit* mAccountEdit;
     ULineEdit* mPasswordEdit;
     QToolButton* mLoginButton;
+    QToolButton* mShowPasswordButton;
     QLabel* mErrorMessage;
     bool mIsRunning;
     int mHideClickCount;