launcher: add optional vim-like keybinds (#282)

README.md

@@ -181,6 +181,7 @@ All configuration options are in `~/.config/caelestia/shell.json`.
     "launcher": {
         "actionPrefix": ">",
         "dragThreshold": 50,
+        "vimKeybinds": false,
         "enableDangerousActions": false,
         "maxShown": 8,
         "maxWallpapers": 9,

config/LauncherConfig.qml

@@ -7,6 +7,7 @@ JsonObject {
     property string actionPrefix: ">"
     property bool enableDangerousActions: false // Allow actions that can cause losing data, like shutdown, reboot and logout
     property int dragThreshold: 50
+    property bool vimKeybinds: false
     property UseFuzzy useFuzzy: UseFuzzy {}
     property Sizes sizes: Sizes {}
 

modules/launcher/Content.qml

@@ -102,6 +102,27 @@ Item {
 
             Keys.onEscapePressed: root.visibilities.launcher = false
 
+            Keys.onPressed: event => {
+                if (!Config.launcher.vimKeybinds)
+                    return;
+
+                if (event.modifiers & Qt.ControlModifier) {
+                    if (event.key === Qt.Key_J) {
+                        list.currentList?.incrementCurrentIndex();
+                        event.accepted = true;
+                    } else if (event.key === Qt.Key_K) {
+                        list.currentList?.decrementCurrentIndex();
+                        event.accepted = true;
+                    }
+                } else if (event.key === Qt.Key_Tab) {
+                    list.currentList?.incrementCurrentIndex();
+                    event.accepted = true;
+                } else if (event.key === Qt.Key_Backtab || (event.key === Qt.Key_Tab && (event.modifiers & Qt.ShiftModifier))) {
+                    list.currentList?.decrementCurrentIndex();
+                    event.accepted = true;
+                }
+            }
+
             Connections {
                 target: root.visibilities