qt,qml: add a welcome page as initial page for server connect wizard

This is much less intimidating than asking if the user wants to use a proxy
out of the gate.

electrum/gui/qml/components/wizard/WCAutoConnect.qml

@@ -6,6 +6,7 @@ import "../controls"
 
 WizardComponent {
     valid: true
+    title: qsTr('Server')
 
     function apply() {
         wizard_data['autoconnect'] = serverconnectgroup.checkedButton.connecttype === 'auto'

electrum/gui/qml/components/wizard/WCProxyAsk.qml

@@ -7,6 +7,7 @@ import "../controls"
 
 WizardComponent {
     valid: true
+    title: qsTr('Proxy')
 
     function apply() {
         wizard_data['want_proxy'] = wantproxygroup.checkedButton.wantproxy

electrum/gui/qml/components/wizard/WCProxyConfig.qml

@@ -6,6 +6,7 @@ import "../controls"
 
 WizardComponent {
     valid: true
+    title: qsTr('Proxy')
 
     function apply() {
         wizard_data['proxy'] = pc.toProxyDict()

electrum/gui/qml/components/wizard/WCServerConfig.qml

@@ -7,6 +7,7 @@ import "../controls"
 WizardComponent {
     valid: true
     last: true
+    title: qsTr('Server')
 
     function apply() {
         wizard_data['autoconnect'] = sc.address == ""

electrum/gui/qml/components/wizard/WCWelcome.qml

@@ -0,0 +1,48 @@
+import QtQuick
+import QtQuick.Layouts
+import QtQuick.Controls
+
+// import org.electrum 1.0
+
+import "../controls"
+
+WizardComponent {
+    valid: true
+    title: qsTr('Electrum Bitcoin Wallet')
+
+    function apply() {
+        wizard_data['use_defaults'] = use_defaults.checked
+        if (use_defaults.checked) {
+            wizard_data['autoconnect'] = true
+            wizard_data['want_proxy'] = false
+        }
+    }
+
+    ColumnLayout {
+        width: parent.width
+
+        Image {
+            Layout.fillWidth: true
+            fillMode: Image.PreserveAspectFit
+            source: Qt.resolvedUrl('../../../icons/electrum_presplash.png')
+            // reduce spacing a bit
+            Layout.topMargin: -50
+            Layout.bottomMargin: -160
+        }
+
+        Label {
+            Layout.alignment: Qt.AlignHCenter
+            text: qsTr('Welcome')
+            font.pixelSize: constants.fontSizeXLarge
+            Layout.bottomMargin: constants.paddingXXLarge
+        }
+
+        CheckBox {
+            id: use_defaults
+            Layout.alignment: Qt.AlignHCenter
+            text: qsTr('Use default network settings')
+            checked: true
+            onCheckedChanged: checkIsLast()
+        }
+    }
+}

electrum/gui/qml/components/wizard/Wizard.qml

@@ -15,7 +15,8 @@ ElDialog {
 
     padding: 0
 
-    title: wizardTitle + (pages.currentItem.title ? ' - ' + pages.currentItem.title : '')
+    title: (pages.currentItem.wizard_title ? pages.currentItem.wizard_title : wizardTitle) +
+        (pages.currentItem.title ? ' - ' + pages.currentItem.title : '')
     iconSource: '../../../icons/electrum.png'
 
     // android back button triggers close() on Popups. Disabling close here,

electrum/gui/qml/components/wizard/WizardComponent.qml

@@ -10,6 +10,7 @@ Pane {
     property var wizard_data : ({})
     property bool valid
     property bool last: false
+    property string wizard_title: ''
     property string title: ''
     property bool securePage: false
 

electrum/gui/qml/qewizard.py

@@ -147,6 +147,7 @@ class QEServerConnectWizard(ServerConnectWizard, QEAbstractWizard):
 
         # attach view names
         self.navmap_merge({
+            'welcome': {'gui': 'WCWelcome'},
             'autoconnect': {'gui': 'WCAutoConnect'},
             'proxy_ask': {'gui': 'WCProxyAsk'},
             'proxy_config': {'gui': 'WCProxyConfig'},

electrum/gui/qt/wizard/server_connect.py

@@ -1,9 +1,13 @@
 from typing import TYPE_CHECKING
 
+from PyQt5.QtCore import Qt
+from PyQt5.QtGui import QPixmap
+from PyQt5.QtWidgets import QCheckBox, QLabel, QHBoxLayout
+
 from electrum.i18n import _
 from electrum.wizard import ServerConnectWizard
 from electrum.gui.qt.network_dialog import ProxyWidget, ServerWidget
-from electrum.gui.qt.util import ChoiceWidget
+from electrum.gui.qt.util import ChoiceWidget, icon_path
 from .wizard import QEAbstractWizard, WizardComponent
 
 if TYPE_CHECKING:
@@ -18,18 +22,55 @@ class QEServerConnectWizard(ServerConnectWizard, QEAbstractWizard):
     def __init__(self, config: 'SimpleConfig', app: 'QElectrumApplication', plugins: 'Plugins', daemon: 'Daemon', parent=None):
         ServerConnectWizard.__init__(self, daemon)
         QEAbstractWizard.__init__(self, config, app)
-
-        self.setWindowTitle(_('Network and server configuration'))
+        self.window_title = _('Network and server configuration')
 
         # attach gui classes
         self.navmap_merge({
-            'autoconnect': { 'gui': WCAutoConnect },
-            'proxy_ask': { 'gui': WCProxyAsk },
-            'proxy_config': { 'gui': WCProxyConfig },
-            'server_config': { 'gui': WCServerConfig },
+            'welcome': {'gui': WCWelcome, 'params': {'icon': ''}},
+            'proxy_ask': {'gui': WCProxyAsk},
+            'autoconnect': {'gui': WCAutoConnect},
+            'proxy_config': {'gui': WCProxyConfig},
+            'server_config': {'gui': WCServerConfig},
         })
 
 
+class WCWelcome(WizardComponent):
+    def __init__(self, parent, wizard):
+        WizardComponent.__init__(self, parent, wizard, title='')
+        self.wizard_title = _('Electrum Bitcoin Wallet')
+        self.use_defaults_w = QCheckBox(_('Use default network settings'))
+        self.use_defaults_w.setChecked(True)
+        self.use_defaults_w.stateChanged.connect(self.on_updated)
+        self.img_label = QLabel()
+        pixmap = QPixmap(icon_path('electrum_darkblue_1.png'))
+        self.img_label.setPixmap(pixmap)
+        self.img_label2 = QLabel()
+        pixmap = QPixmap(icon_path('electrum_text.png'))
+        self.img_label2.setPixmap(pixmap)
+        hbox = QHBoxLayout()
+        hbox.addStretch(1)
+        hbox.addWidget(self.img_label)
+        hbox.addWidget(self.img_label2)
+        hbox.addStretch(1)
+        self.layout().addLayout(hbox)
+        self.welcome_label = QLabel('Welcome')
+        font = self.welcome_label.font()
+        font.setPointSize(font.pointSize() + 3)
+        self.welcome_label.setFont(font)
+        self.layout().addStretch(1)
+        self.layout().addWidget(self.welcome_label, False, Qt.AlignHCenter)
+        self.layout().addStretch(1)
+        self.layout().addWidget(self.use_defaults_w, False, Qt.AlignHCenter)
+        self.layout().addStretch(1)
+        self._valid = True
+
+    def apply(self):
+        self.wizard_data['use_defaults'] = self.use_defaults_w.isChecked()
+        if self.use_defaults_w.isChecked():
+            self.wizard_data['autoconnect'] = True
+            self.wizard_data['want_proxy'] = False
+
+
 class WCAutoConnect(WizardComponent):
     def __init__(self, parent, wizard):
         WizardComponent.__init__(self, parent, wizard, title=_("How do you want to connect to a server? "))

electrum/gui/qt/wizard/wallet.py

@@ -55,8 +55,7 @@ class QENewWalletWizard(NewWalletWizard, QEAbstractWizard, MessageBoxMixin):
     def __init__(self, config: 'SimpleConfig', app: 'QElectrumApplication', plugins: 'Plugins', daemon: Daemon, path, *, start_viewstate=None):
         NewWalletWizard.__init__(self, daemon, plugins)
         QEAbstractWizard.__init__(self, config, app, start_viewstate=start_viewstate)
-
-        self.setWindowTitle(_('Create/Restore wallet'))
+        self.window_title = _('Create/Restore wallet')
 
         self._path = path
         self._password = None

electrum/gui/qt/wizard/wizard.py

@@ -39,6 +39,7 @@ class QEAbstractWizard(QDialog, MessageBoxMixin):
         self.setMinimumSize(600, 400)
 
         self.title = QLabel()
+        self.window_title = ''
 
         self.main_widget = ResizableStackedWidget(self)
 
@@ -125,7 +126,7 @@ class QEAbstractWizard(QDialog, MessageBoxMixin):
             viewstate = self._current = self.start_viewstate
         else:
             viewstate = self.start_wizard()
-        self.load_next_component(viewstate.view, viewstate.wizard_data)
+        self.load_next_component(viewstate.view, viewstate.wizard_data, viewstate.params)
 
     def load_next_component(self, view, wdata=None, params=None):
         if wdata is None:
@@ -167,6 +168,7 @@ class QEAbstractWizard(QDialog, MessageBoxMixin):
 
     def update(self):
         page = self.main_widget.currentWidget()
+        self.setWindowTitle(page.wizard_title if page.wizard_title else self.window_title)
         self.title.setText(f'<b>{page.title}</b>' if page.title else '')
         self.back_button.setText(_('Back') if self.can_go_back() else _('Cancel'))
         self.back_button.setEnabled(not page.busy)
@@ -178,8 +180,11 @@ class QEAbstractWizard(QDialog, MessageBoxMixin):
         self.error_msg.setText(str(page.error))
         self.error.setVisible(not page.busy and bool(page.error))
         icon = page.params.get('icon', icon_path('electrum.png'))
-        if icon != self.icon_filename:
+        if icon and icon != self.icon_filename:
             self.set_icon(icon)
+            self.logo.setVisible(True)
+        else:
+            self.logo.setVisible(False)
 
     def on_back_button_clicked(self):
         if self.can_go_back():
@@ -238,6 +243,7 @@ class WizardComponent(QWidget):
         self.setLayout(layout if layout else QVBoxLayout(self))
         self.wizard_data = {}
         self.title = title if title is not None else 'No title'
+        self.wizard_title = None
         self.busy_msg = ''
         self.wizard = wizard
         self._error = ''

electrum/wizard.py

@@ -264,7 +264,9 @@ class NewWalletWizard(AbstractWizard):
         if initial_data is None:
             initial_data = {}
         self.reset()
-        self._current = WizardViewState('wallet_name', initial_data, {})
+        start_view = 'wallet_name'
+        params = self.navmap[start_view].get('params', {})
+        self._current = WizardViewState(start_view, initial_data, params)
         return self._current
 
     def is_single_password(self) -> bool:
@@ -652,14 +654,18 @@ class ServerConnectWizard(AbstractWizard):
     def __init__(self, daemon: 'Daemon'):
         AbstractWizard.__init__(self)
         self.navmap = {
+            'welcome': {
+                'next': 'proxy_ask',
+                'last': lambda d: d['use_defaults']
+            },
+            'proxy_ask': {
+                'next': lambda d: 'proxy_config' if d['want_proxy'] else 'autoconnect'
+            },
             'autoconnect': {
                 'next': 'server_config',
                 'accept': self.do_configure_autoconnect,
                 'last': lambda d: d['autoconnect']
             },
-            'proxy_ask': {
-                'next': lambda d: 'proxy_config' if d['want_proxy'] else 'autoconnect'
-            },
             'proxy_config': {
                 'next': 'autoconnect',
                 'accept': self.do_configure_proxy
@@ -704,5 +710,7 @@ class ServerConnectWizard(AbstractWizard):
         if initial_data is None:
             initial_data = {}
         self.reset()
-        self._current = WizardViewState('proxy_ask', initial_data, {})
+        start_view = 'welcome'
+        params = self.navmap[start_view].get('params', {})
+        self._current = WizardViewState(start_view, initial_data, params)
         return self._current