added escape key handler (#461)

Added escape key handler for drawer2type

client/ui/controllers/pageController.cpp

@@ -77,7 +77,16 @@ void PageController::closeWindow()
 void PageController::keyPressEvent(Qt::Key key)
 {
     switch (key) {
-    case Qt::Key_Back: emit closePage();
+    case Qt::Key_Back:
+    case Qt::Key_Escape: {
+        if (m_drawerDepth) {
+            emit closeTopDrawer();
+            setDrawerDepth(getDrawerDepth() - 1);
+        } else {
+            emit escapePressed();
+        }
+        break;
+    }
     default: return;
     }
 }
@@ -132,3 +141,15 @@ void PageController::closeApplication()
 {
     qApp->quit();
 }
+
+void PageController::setDrawerDepth(const int depth)
+{
+    if (depth >= 0) {
+        m_drawerDepth = depth;
+    }
+}
+
+int PageController::getDrawerDepth()
+{
+    return m_drawerDepth;
+}

client/ui/controllers/pageController.h

@@ -87,6 +87,9 @@ public slots:
 
     void closeApplication();
 
+    void setDrawerDepth(const int depth);
+    int getDrawerDepth();
+
 signals:
     void goToPage(PageLoader::PageEnum page, bool slide = true);
     void goToStartPage();
@@ -105,7 +108,7 @@ signals:
     void showNotificationMessage(const QString &message);
 
     void showBusyIndicator(bool visible);
-    void enableTabBar(bool enabled);
+    void disableControls(bool disabled);
 
     void hideMainWindow();
     void raiseMainWindow();
@@ -113,12 +116,17 @@ signals:
     void showPassphraseRequestDrawer();
     void passphraseRequestDrawerClosed(QString passphrase);
 
+    void escapePressed();
+    void closeTopDrawer();
+
 private:
     QSharedPointer<ServersModel> m_serversModel;
 
     std::shared_ptr<Settings> m_settings;
 
     bool m_isTriggeredByConnectButton;
+
+    int m_drawerDepth;
 };
 
 #endif // PAGECONTROLLER_H

client/ui/qml/Controls2/DrawerType2.qml

@@ -25,6 +25,8 @@ Item {
     property real expandedHeight
     property real collapsedHeight: 0
 
+    property int depthIndex: 0
+
     signal entered
     signal exited
     signal pressed(bool pressed, bool entered)
@@ -36,6 +38,24 @@ Item {
     signal closed
     signal opened
 
+    Connections {
+        target: PageController
+
+        function onCloseTopDrawer() {
+            if (depthIndex === PageController.getDrawerDepth()) {
+                if (isCollapsed) {
+                    return
+                }
+
+                aboutToHide()
+
+                drawerContent.state = root.drawerCollapsed
+                depthIndex = 0
+                closed()
+            }
+        }
+    }
+
     Connections {
         target: root
 
@@ -47,6 +67,8 @@ Item {
             aboutToHide()
 
             drawerContent.state = root.drawerCollapsed
+            depthIndex = 0
+            PageController.setDrawerDepth(PageController.getDrawerDepth() - 1)
             closed()
         }
 
@@ -58,6 +80,8 @@ Item {
             aboutToShow()
 
             drawerContent.state = root.drawerExpanded
+            depthIndex = PageController.getDrawerDepth() + 1
+            PageController.setDrawerDepth(depthIndex)
             opened()
         }
     }

client/ui/qml/Pages2/PageDeinstalling.qml

@@ -14,8 +14,8 @@ import "../Config"
 PageType {
     id: root
 
-    Component.onCompleted: PageController.enableTabBar(false)
-    Component.onDestruction: PageController.enableTabBar(true)
+    Component.onCompleted: PageController.disableControls(true)
+    Component.onDestruction: PageController.disableControls(false)
 
     SortFilterProxyModel {
         id: proxyServersModel

client/ui/qml/Pages2/PageSetupWizardInstalling.qml

@@ -14,8 +14,8 @@ import "../Config"
 PageType {
     id: root
 
-    Component.onCompleted: PageController.enableTabBar(false)
-    Component.onDestruction: PageController.enableTabBar(true)
+    Component.onCompleted: PageController.disableControls(true)
+    Component.onDestruction: PageController.disableControls(false)
 
     property bool isTimerRunning: true
     property string progressBarText: qsTr("Usually it takes no more than 5 minutes")

client/ui/qml/Pages2/PageSetupWizardStart.qml

@@ -13,6 +13,8 @@ import "../Components"
 PageType {
     id: root
 
+    property bool isControlsDisabled: false
+
     Connections {
         target: PageController
 
@@ -45,6 +47,18 @@ PageType {
                 stackView.pop()
             }
         }
+
+        function onDisableControls(disabled) {
+            isControlsDisabled = disabled
+        }
+
+        function onEscapePressed() {
+            if (isControlsDisabled || busyIndicator.visible) {
+                return
+            }
+
+            PageController.closePage()
+        }
     }
 
     Connections {

client/ui/qml/Pages2/PageStart.qml

@@ -38,8 +38,8 @@ PageType {
             tabBar.enabled = !visible
         }
 
-        function onEnableTabBar(enabled) {
-            tabBar.enabled = enabled
+        function onDisableControls(disabled) {
+            tabBar.enabled = !disabled
         }
 
         function onClosePage() {
@@ -70,6 +70,21 @@ PageType {
                 tabBarStackView.pop()
             }
         }
+
+        function onEscapePressed() {
+            if (!tabBar.enabled || busyIndicator.visible) {
+                return
+            }
+
+            var pageName = tabBarStackView.currentItem.objectName
+            if ((pageName === PageController.getPagePath(PageEnum.PageShare)) ||
+                    (pageName === PageController.getPagePath(PageEnum.PageSettings))) {
+                PageController.goToPageHome()
+                tabBar.previousIndex = 0
+            } else {
+                PageController.closePage()
+            }
+        }
     }
 
     Connections {