Fuzzy finder (#1393)

* Added a fuzzy search modal

* Fixed indent

* Use accent color for selection

* Listen to git change

* Use async fuzzy finder and ignore paths from .gitignore

* Resize dialog

* Added scrolling by up/down arrows

* Check project content on each search to get all changes

* Add basic debouncing and cancellation for each search query

* Add cancellable checks to all loops during fuzzy search

* Increase fuzzy search results update speed

* Fix long delay before fuzzy finder dialog opens

- Fuzzy finder paths indexed when plugin is activated
- Fuzy finder dialog now opens instantly

* Fix vala-lint errors in fuzzy-search plugin directory

* Prevent fuzzy search dialog from opening if there are no projects opened

* Clicking on fuzzy search results loads the clicked result

* Fuzzy search results across multiple projects are disambiguated using the project name before file path

* Update fuzzy search debug logs

* Improve Fuzzy Search Accuracy

- Combine file name and file paths in fuzzy finder

* Ignore dot-prefixed directories in fuzzy search

* Update debug messaging for fuzzy search

* Fix code style warnings in fuzzy search plugin

* Update license and copyright info for Fuzzy Finder plugin

* Add end method to project path parsing async call

* Fix vala-lint errors

* Improve fuzzy matching

- Fix issue how matches are added to list of matches
- Stop using a combined score. Prefer filename based matches when available
- Stop including directory separator in separator bonus

* Change fuzzy search keyboard shortcut to 'ALT + F'

* Remove unused GitManager signals

* Files that cannot be opened in Code are filtered out of fuzzy search

* Render fuzzy search items with list boxes

* Add mouser hover styling to fuzzy search items

* Handle Fuzzy Search key presses with EventControllerKey

* Now using popover to show fuzzy search

* Add title label to fuzzy search popover

* Remove unused window size and positining code

* Prevent focus on fuzzy item results

* Fuzzy search results for current project are prioritised

* Expose fuzzy find function and accelerator in sidebar action menu (#1395)

* Add Fuzzy Find menuitem to sidebar

* Consistently use "Find Project Files"

* Move SearchProject to separate file

* Fix lint

* Remove menuitem on deactivation of "Find Project Files" plugin

* Associate popover with foldermanager (#1396)

* Associate popover with foldermanager
* Remove deprecated PopoverConstraint

* Add folder_item_change plugin manager hook in preparation for background indexing

* Allow search project parsing to be cancellable

* Create indexer and add methods for adding and removing files and directories to search project class

* Use fuzzy search indexer for fuzzy search results

* Update indexer debug logs

* Update license info and comments in Fuzzy Search Project

* Remove old fuzzy search indexer testing logs

---------

Co-authored-by: Marvin Ahlgrimm <[email protected]>
Co-authored-by: Jeremy Wootten <[email protected]>

data/Application.css

@@ -20,3 +20,52 @@ textview.scrubber {
     border: 0;
 }
 
+.fuzzy-popover {
+    padding-top: 0.5rem;
+    padding-bottom: 1rem;
+}
+
+.fuzzy-popover entry {
+    margin-left: 1rem;
+    margin-right: 1rem;
+}
+
+.fuzzy-popover scrolledwindow {
+    margin-top: 1rem;
+}
+
+.fuzzy-list {
+    background-color: transparent;
+}
+
+.fuzzy-item {
+    padding: 0.5rem;
+    margin-left: 10px;
+    margin-right: 10px;
+    background-color: transparent;
+}
+
+.fuzzy-item.preselect-fuzzy,
+.fuzzy-item:hover {
+    border-radius: 0.5rem;
+}
+
+.fuzzy-item:hover {
+    background-color: @theme_unfocused_selected_bg_color;
+}
+
+.fuzzy-item.preselect-fuzzy {
+    background-color: @selected_bg_color;
+}
+
+.fuzzy-item .fuzzy-file-icon {
+    margin-right: 0.5rem;
+}
+
+.fuzzy-item label:nth-child(1) {
+    font-weight: 700;
+}
+
+.fuzzy-item.preselect-fuzzy label {
+    opacity: 0.7;
+}

plugins/fuzzy-search/file-item.vala

@@ -0,0 +1,58 @@
+/*
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ * SPDX-FileCopyrightText: 2023 elementary, Inc. <https://elementary.io>
+ *
+ * Authored by: Marvin Ahlgrimm
+ *              Colin Kiama <[email protected]>
+ */
+
+public class FileItem : Gtk.ListBoxRow {
+    private SearchResult result;
+
+    public string filepath {
+        get {
+            return result.full_path;
+        }
+    }
+    public FileItem (SearchResult res, bool should_distinguish_project = false) {
+        this.get_style_context ().add_class ("fuzzy-item");
+        this.get_style_context ().add_class ("flat");
+
+        result = res;
+        Icon icon;
+        var path_box = new Gtk.Box (Gtk.Orientation.VERTICAL, 1);
+        path_box.valign = Gtk.Align.CENTER;
+
+        var path_label = new Gtk.Label (
+            @"$(should_distinguish_project ? result.project + " • " : "")$(result.relative_path)"
+        );
+
+        path_label.halign = Gtk.Align.START;
+
+        var filename_label = new Gtk.Label (Path.get_basename (result.relative_path));
+        filename_label.halign = Gtk.Align.START;
+
+        try {
+            var fi = File.new_for_path (result.full_path);
+            var info = fi.query_info ("standard::*", 0);
+            icon = ContentType.get_icon (info.get_content_type ());
+        } catch (Error e) {
+            icon = ContentType.get_icon ("text/plain");
+        }
+
+        var image = new Gtk.Image.from_gicon (icon, Gtk.IconSize.DND);
+        image.get_style_context ().add_class ("fuzzy-file-icon");
+
+        path_box.add (filename_label);
+        path_box.add (path_label);
+
+        var container_box = new Gtk.Box (Gtk.Orientation.HORIZONTAL, 1) {
+            valign = Gtk.Align.CENTER
+        };
+
+        container_box.add (image);
+        container_box.add (path_box);
+
+        this.child = container_box;
+    }
+}