feat(Notepad): add notepad desktop entry & IPC commands file handling

quickshell/Services/AppSearchService.qml

@@ -165,6 +165,16 @@ Singleton {
 
     readonly property string dmsLogoPath: Qt.resolvedUrl("../assets/danklogo2.svg")
 
+    // Prevent desktop entry duplicates from core apps
+    readonly property var builtInShadowDesktopIds: ["com.danklinux.dms.notepad"]
+
+    function isShadowedByCoreApp(app) {
+        if (!app)
+            return false;
+        const id = (app.id || "").replace(/\.desktop$/, "");
+        return builtInShadowDesktopIds.includes(id);
+    }
+
     readonly property var builtInPlugins: ({
             "dms_settings": {
                 id: "dms_settings",

quickshell/Services/NotepadStorageService.qml

@@ -248,6 +248,29 @@ Singleton {
         return newTab
     }
 
+    function createTabForFile(path) {
+        var id = Date.now()
+        var fileName = path.split('/').pop()
+
+        var newTab = {
+            id: id,
+            title: fileName,
+            filePath: path,
+            isTemporary: false,
+            lastModified: new Date().toISOString(),
+            cursorPosition: 0,
+            scrollPosition: 0
+        }
+
+        var newTabs = tabs.slice()
+        newTabs.push(newTab)
+        tabs = newTabs
+        currentTabIndex = tabs.length - 1
+        saveMetadata()
+
+        return newTab
+    }
+
     function closeTab(tabIndex) {
         if (tabIndex < 0 || tabIndex >= tabs.length) return
 

quickshell/Services/PopoutService.qml

@@ -909,6 +909,7 @@ Singleton {
     property var notepadPopout: null
     property var notepadPopoutLoader: null
     property bool _notepadPopoutWantsOpen: false
+    property string _notepadPendingOpenFilePath: ""
 
     function openNotepadPopout() {
         closeNotepadSlideouts();
@@ -920,10 +921,27 @@ Singleton {
         }
     }
 
+    function openNotepadPopoutWithFile(path) {
+        closeNotepadSlideouts();
+        if (notepadPopout) {
+            notepadPopout.show();
+            notepadPopout.notepad?.openExternalFile(path);
+        } else if (notepadPopoutLoader) {
+            _notepadPendingOpenFilePath = path;
+            _notepadPopoutWantsOpen = true;
+            notepadPopoutLoader.active = true;
+        }
+    }
+
     function _onNotepadPopoutLoaded() {
         if (_notepadPopoutWantsOpen && notepadPopout) {
             _notepadPopoutWantsOpen = false;
             notepadPopout.show();
+            if (_notepadPendingOpenFilePath) {
+                const pendingPath = _notepadPendingOpenFilePath;
+                _notepadPendingOpenFilePath = "";
+                notepadPopout.notepad?.openExternalFile(pendingPath);
+            }
         }
     }