Add UI to allow editing shortcuts dynamically

9 files changed, 191 insertions, 49 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9eb8df67..cd6ac90b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -779,6 +779,7 @@ set(QML_SOURCES
         resources/qml/dialogs/RoomMembers.qml
         resources/qml/dialogs/AllowedRoomsSettingsDialog.qml
         resources/qml/dialogs/RoomSettings.qml
+        resources/qml/dialogs/ShortcutEditor.qml
         resources/qml/dialogs/UserProfile.qml
         resources/qml/emoji/StickerPicker.qml
         resources/qml/pages/LoginPage.qml
diff --git a/resources/qml/dialogs/ShortcutEditor.qml b/resources/qml/dialogs/ShortcutEditor.qml
new file mode 100644
index 00000000..0bd8a00b
--- /dev/null
+++ b/resources/qml/dialogs/ShortcutEditor.qml
@@ -0,0 +1,92 @@
+// SPDX-FileCopyrightText: Nheko Contributors
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import ".."
+import "../ui"
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import QtQuick.Window
+import im.nheko
+
+ApplicationWindow {
+    id: shortcutEditorDialog
+
+    minimumWidth: 500
+    minimumHeight: 450
+    width: 500
+    height: 680
+    color: palette.window
+    modality: Qt.NonModal
+    flags: Qt.Dialog | Qt.WindowCloseButtonHint | Qt.WindowTitleHint
+    title: qsTr("Keyboard shortcuts")
+
+    ScrollView {
+        padding: Nheko.paddingMedium
+        ScrollBar.horizontal.visible: false
+        anchors.fill: parent
+
+        ListView {
+            model: ShortcutRegistry
+
+            delegate: RowLayout {
+                id: del
+
+                required property string name
+                required property string description
+                required property string shortcut
+
+                spacing: Nheko.paddingMedium
+                width: ListView.view.width
+                height: implicitHeight + Nheko.paddingSmall * 2
+
+                ColumnLayout {
+                    spacing: Nheko.paddingSmall
+
+                    Label {
+                        text: del.name
+                        font.bold: true
+                        font.pointSize: fontMetrics.font.pointSize * 1.1
+                    }
+
+                    Label {
+                        text: del.description
+                    }
+                }
+
+                Item { Layout.fillWidth: true }
+
+                Button {
+                    property bool selectingNewShortcut: false
+
+                    text: selectingNewShortcut ? qsTr("Input..") : del.shortcut
+                    onClicked: selectingNewShortcut = !selectingNewShortcut
+                    Keys.onPressed: event => {
+                        if (!selectingNewShortcut)
+                            return;
+                        event.accepted = true;
+
+                        let keySequence = "";
+                        if (event.modifiers & Qt.ControlModifier)
+                            keySequence += "Ctrl+";
+                        if (event.modifiers & Qt.AltModifier)
+                            keySequence += "Alt+";
+                        if (event.modifiers & Qt.MetaModifier)
+                            keySequence += "Meta+";
+                        if (event.modifiers & Qt.ShiftModifier)
+                            keySequence += "Shift+";
+
+                        if (event.key === 0 || event.key === Qt.Key_unknown || event.key === Qt.Key_Control || event.key === Qt.Key_Alt || event.key === Qt.Key_AltGr || event.key === Qt.Key_Meta || event.key === Qt.Key_Shift)
+                            keySequence += "...";
+                        else {
+                            keySequence += ShortcutRegistry.keycodeToChar(event.key);
+                            ShortcutRegistry.changeShortcut(del.name, keySequence);
+                            selectingNewShortcut = false;
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/resources/qml/pages/UserSettingsPage.qml b/resources/qml/pages/UserSettingsPage.qml
index f23095b6..1407ead7 100644
--- a/resources/qml/pages/UserSettingsPage.qml
+++ b/resources/qml/pages/UserSettingsPage.qml
@@ -5,6 +5,7 @@
 pragma ComponentBehavior: Bound
 import ".."
 import "../ui"
+import "../dialogs"
 import Qt.labs.platform 1.1 as Platform
 import QtQuick 2.15
 import QtQuick.Controls 2.15
@@ -216,6 +217,23 @@ Rectangle {
                             }
                         }
                         DelegateChoice {
+                            roleValue: UserSettingsModel.ConfigureKeyboardShortcuts
+                            Button {
+                                text: qsTr("CONFIGURE")
+                                onClicked: {
+                                    var dialog = keyboardShortcutsDialog.createObject();
+                                    dialog.show();
+                                    destroyOnClose(dialog);
+                                }
+
+                                Component {
+                                    id: keyboardShortcutsDialog
+
+                                    ShortcutEditor {}
+                                }
+                            }
+                        }
+                        DelegateChoice {
                             Text {
                                 text: model.value
                             }
diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
index d06171de..a003dee3 100644
--- a/src/MainWindow.cpp
+++ b/src/MainWindow.cpp
@@ -57,6 +57,7 @@ MainWindow *MainWindow::instance_ = nullptr;
 MainWindow::MainWindow(QWindow *parent)
   : QQuickView(parent)
   , userSettings_{UserSettings::instance()}
+  , shortcuts_{new ShortcutRegistry}
 {
     instance_ = this;
 
diff --git a/src/MainWindow.h b/src/MainWindow.h
index fc06e183..e5b395cb 100644
--- a/src/MainWindow.h
+++ b/src/MainWindow.h
@@ -11,6 +11,7 @@
 #include <QSharedPointer>
 #include <QSystemTrayIcon>
 
+#include "ShortcutRegistry.h"
 #include "UserSettingsPage.h"
 #include "dock/Dock.h"
 
@@ -140,6 +141,7 @@ private:
     //! Tray icon that shows the unread message count.
     TrayIcon *trayIcon_;
     Dock *dock_;
+    ShortcutRegistry *shortcuts_;
 
     MxcImageProvider *imgProvider = nullptr;
 
diff --git a/src/UserSettingsPage.cpp b/src/UserSettingsPage.cpp
index 5caa4838..67ab9bab 100644
--- a/src/UserSettingsPage.cpp
+++ b/src/UserSettingsPage.cpp
@@ -1145,6 +1145,8 @@ UserSettingsModel::data(const QModelIndex &index, int role) const
             return tr("Periodically update community routing information");
         case ExpireEvents:
             return tr("Periodically delete expired events");
+        case KeyboardShortcuts:
+            return tr("Configure keyboard shortcuts");
         }
     } else if (role == Value) {
         switch (index.row()) {
@@ -1444,6 +1446,7 @@ UserSettingsModel::data(const QModelIndex &index, int role) const
         case LoginInfoSection:
         case SessionKeys:
         case CrossSigningSecrets:
+        case KeyboardShortcuts:
             return {};
         case OnlineBackupKey:
             return tr(
@@ -1562,6 +1565,8 @@ UserSettingsModel::data(const QModelIndex &index, int role) const
         case UserSigningKey:
         case MasterKey:
             return KeyStatus;
+        case KeyboardShortcuts:
+            return ConfigureKeyboardShortcuts;
         }
     } else if (role == ValueLowerBound) {
         switch (index.row()) {
diff --git a/src/UserSettingsPage.h b/src/UserSettingsPage.h
index 71eb039b..61d66d4e 100644
--- a/src/UserSettingsPage.h
+++ b/src/UserSettingsPage.h
@@ -475,6 +475,7 @@ class UserSettingsModel : public QAbstractListModel
 #endif
         UpdateSpaceVias,
         ExpireEvents,
+        KeyboardShortcuts,
 
         AccessibilitySection,
         ReducedMotion,
@@ -562,6 +563,7 @@ public:
         KeyStatus,
         SessionKeyImportExport,
         XSignKeysRequestDownload,
+        ConfigureKeyboardShortcuts,
     };
     Q_ENUM(Types);
 
diff --git a/src/ui/ShortcutRegistry.cpp b/src/ui/ShortcutRegistry.cpp
index a9a47e3f..5c32b8cb 100644
--- a/src/ui/ShortcutRegistry.cpp
+++ b/src/ui/ShortcutRegistry.cpp
@@ -1,13 +1,27 @@
+// SPDX-FileCopyrightText: Nheko Contributors
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 #include "ShortcutRegistry.h"
 
 ShortcutRegistry *ShortcutRegistry::s_instance = nullptr;
 
 EditableShortcut::EditableShortcut(QObject *parent)
-    : QObject{parent}
+  : QObject{parent}
+{
+    ShortcutRegistry::instance()->registerShortcut(this);
+}
+
+EditableShortcut::EditableShortcut(const QString &name, const QString &description, QObject *parent)
+  : QObject{parent}
+  , m_name{name}
+  , m_description{description}
 {
+    ShortcutRegistry::instance()->registerShortcut(this);
 }
 
-const QStringList EditableShortcut::shortcuts() const
+const QStringList
+EditableShortcut::shortcuts() const
 {
     QStringList dest;
     dest.resize(m_shortcuts.size());
@@ -17,7 +31,8 @@ const QStringList EditableShortcut::shortcuts() const
     return dest;
 }
 
-void EditableShortcut::setName(const QString &name)
+void
+EditableShortcut::setName(const QString &name)
 {
     if (name == m_name)
         return;
@@ -25,7 +40,8 @@ void EditableShortcut::setName(const QString &name)
     emit nameChanged();
 }
 
-void EditableShortcut::setDescription(const QString &description)
+void
+EditableShortcut::setDescription(const QString &description)
 {
     if (description == m_description)
         return;
@@ -33,12 +49,14 @@ void EditableShortcut::setDescription(const QString &description)
     emit descriptionChanged();
 }
 
-void EditableShortcut::setShortcut(const QString &shortcut)
+void
+EditableShortcut::setShortcut(const QString &shortcut)
 {
     setShortcuts({shortcut});
 }
 
-void EditableShortcut::setShortcuts(const QStringList &shortcuts)
+void
+EditableShortcut::setShortcuts(const QStringList &shortcuts)
 {
     QList<QKeySequence> temp;
     temp.resize(shortcuts.size());
@@ -52,12 +70,13 @@ void EditableShortcut::setShortcuts(const QStringList &shortcuts)
     emit shortcutsChanged();
 }
 
-EditableShortcut::EditableShortcut(const QString &name, const QString &description, QObject *parent)
-  : QObject{parent}
-  , m_name{name}
-  , m_description{description}
+ShortcutRegistry::ShortcutRegistry(QObject *parent)
+  : QAbstractListModel{parent}
 {
-    ShortcutRegistry::instance()->registerShortcut(this);
+    if (s_instance)
+        m_shortcuts = s_instance->m_shortcuts;
+
+    s_instance = this;
 }
 
 ShortcutRegistry *
@@ -66,7 +85,8 @@ ShortcutRegistry::instance()
     return s_instance;
 }
 
-ShortcutRegistry *ShortcutRegistry::create(QQmlEngine *qmlEngine, QJSEngine *)
+ShortcutRegistry *
+ShortcutRegistry::create(QQmlEngine *qmlEngine, QJSEngine *)
 {
     // The instance has to exist before it is used. We cannot replace it.
     Q_ASSERT(s_instance);
@@ -85,20 +105,20 @@ ShortcutRegistry *ShortcutRegistry::create(QQmlEngine *qmlEngine, QJSEngine *)
     return s_instance;
 }
 
-QHash<int, QByteArray> ShortcutRegistry::roleNames() const
+QHash<int, QByteArray>
+ShortcutRegistry::roleNames() const
 {
-    return {{Roles::Name, "name"},
-            {Roles::Description, "description"},
-            {Roles::Shortcut, "shortcut"}};
+    return {
+      {Roles::Name, "name"}, {Roles::Description, "description"}, {Roles::Shortcut, "shortcut"}};
 }
 
-QVariant ShortcutRegistry::data(const QModelIndex &index, int role) const
+QVariant
+ShortcutRegistry::data(const QModelIndex &index, int role) const
 {
     if (!index.isValid() || index.row() >= m_shortcuts.size() || index.row() < 0)
         return {};
 
-    switch (role)
-    {
+    switch (role) {
     case Roles::Name:
         return m_shortcuts[index.row()]->name();
     case Roles::Description:
@@ -110,31 +130,29 @@ QVariant ShortcutRegistry::data(const QModelIndex &index, int role) const
     }
 }
 
-bool ShortcutRegistry::setData(const QModelIndex &index, const QVariant &value, int role)
+void
+ShortcutRegistry::changeShortcut(const QString &name, const QString &newShortcut)
 {
-    if (!index.isValid() || index.row() >= m_shortcuts.size() || index.row() < 0)
-        return false;
-
-    switch (role)
-    {
-    case Roles::Shortcut:
-        if (auto shortcut = QKeySequence(value.toString()); !shortcut.isEmpty()) {
-            m_shortcuts[index.row()]->setShortcut(shortcut.toString());
-            return true;
-        } else
-            return false;
-    default:
-        return false;
+    for (int i = 0; i < m_shortcuts.size(); ++i) {
+        if (m_shortcuts[i]->name() == name) {
+            qDebug() << "new:" << newShortcut;
+            m_shortcuts[i]->setShortcut(newShortcut);
+            emit dataChanged(index(i), index(i), {Roles::Shortcut});
+            return;
+        }
     }
 }
 
-ShortcutRegistry::ShortcutRegistry(QObject *parent)
-  : QAbstractListModel{parent}
+QString
+ShortcutRegistry::keycodeToChar(int keycode) const
 {
-    s_instance = this;
+    return QString((char)keycode);
 }
 
-void ShortcutRegistry::registerShortcut(EditableShortcut *action)
+void
+ShortcutRegistry::registerShortcut(EditableShortcut *action)
 {
+    beginInsertRows({}, m_shortcuts.size(), m_shortcuts.size());
     m_shortcuts.push_back(action);
+    endInsertRows();
 }
diff --git a/src/ui/ShortcutRegistry.h b/src/ui/ShortcutRegistry.h
index c075b50c..c2fe6265 100644
--- a/src/ui/ShortcutRegistry.h
+++ b/src/ui/ShortcutRegistry.h
@@ -1,7 +1,11 @@
+// SPDX-FileCopyrightText: Nheko Contributors
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 #pragma once
 
 #include <QAbstractListModel>
-#include <QAction>
+#include <QKeySequence>
 #include <QQmlEngine>
 
 class EditableShortcut : public QObject
@@ -10,15 +14,15 @@ class EditableShortcut : public QObject
     QML_ELEMENT
 
     Q_PROPERTY(QString name READ name WRITE setName NOTIFY nameChanged FINAL)
-    Q_PROPERTY(QString description READ description WRITE setDescription NOTIFY descriptionChanged FINAL)
+    Q_PROPERTY(
+      QString description READ description WRITE setDescription NOTIFY descriptionChanged FINAL)
     Q_PROPERTY(QString shortcut READ shortcut WRITE setShortcut NOTIFY shortcutsChanged FINAL)
-    Q_PROPERTY(QStringList shortcuts READ shortcuts WRITE setShortcuts NOTIFY shortcutsChanged FINAL)
+    Q_PROPERTY(
+      QStringList shortcuts READ shortcuts WRITE setShortcuts NOTIFY shortcutsChanged FINAL)
 
 public:
     EditableShortcut(QObject *parent = nullptr);
     EditableShortcut(const QString &name, const QString &description, QObject *parent = nullptr);
-    EditableShortcut(const QString &name, const QString &description, const QString &text, QObject *parent = nullptr);
-    EditableShortcut(const QString &name, const QString &description, const QIcon &icon, const QString &text, QObject *parent = nullptr);
 
     const QString &name() const { return m_name; }
     const QString &description() const { return m_description; }
@@ -58,20 +62,19 @@ public:
         Shortcut,
     };
 
+    explicit ShortcutRegistry(QObject *parent = nullptr);
+
     static ShortcutRegistry *instance();
     static ShortcutRegistry *create(QQmlEngine *qmlEngine, QJSEngine *);
 
     QHash<int, QByteArray> roleNames() const override;
-    int rowCount(const QModelIndex & = QModelIndex()) const override
-    {
-        return m_shortcuts.size();
-    }
+    int rowCount(const QModelIndex & = QModelIndex()) const override { return m_shortcuts.size(); }
     QVariant data(const QModelIndex &index, int role) const override;
-    bool setData(const QModelIndex &index, const QVariant &value, int role) override;
 
-private:
-    explicit ShortcutRegistry(QObject *parent = nullptr);
+    Q_INVOKABLE void changeShortcut(const QString &name, const QString &newShortcut);
+    Q_INVOKABLE QString keycodeToChar(int keycode) const;
 
+private:
     void registerShortcut(EditableShortcut *action);
 
     static ShortcutRegistry *s_instance;