open picker (#14524)

Release Notes:

- linux: Added a fallback Open picker for when XDG is not working
- Added a new setting `use_system_path_prompts` (default true) that can
be disabled to use Zed's builtin keyboard-driven prompts.

---------

Co-authored-by: Max <max@zed.dev>

assets/keymaps/default-linux.json

@@ -19,7 +19,6 @@
       "escape": "menu::Cancel",
       "ctrl-escape": "menu::Cancel",
       "ctrl-c": "menu::Cancel",
-      "shift-enter": "picker::UseSelectedQuery",
       "alt-enter": ["picker::ConfirmInput", { "secondary": false }],
       "ctrl-alt-enter": ["picker::ConfirmInput", { "secondary": true }],
       "ctrl-shift-w": "workspace::CloseWindow",
@@ -567,6 +566,13 @@
       "tab": "channel_modal::ToggleMode"
     }
   },
+  {
+    "context": "Picker > Editor",
+    "bindings": {
+      "tab": "picker::ConfirmCompletion",
+      "alt-enter": ["picker::ConfirmInput", { "secondary": false }]
+    }
+  },
   {
     "context": "ChannelModal > Picker > Editor",
     "bindings": {

assets/keymaps/default-macos.json

@@ -594,6 +594,14 @@
       "tab": "channel_modal::ToggleMode"
     }
   },
+  {
+    "context": "Picker > Editor",
+    "bindings": {
+      "tab": "picker::ConfirmCompletion",
+      "alt-enter": ["picker::ConfirmInput", { "secondary": false }],
+      "cmd-alt-enter": ["picker::ConfirmInput", { "secondary": true }]
+    }
+  },
   {
     "context": "ChannelModal > Picker > Editor",
     "bindings": {
@@ -613,14 +621,6 @@
       "ctrl-backspace": "tab_switcher::CloseSelectedItem"
     }
   },
-  {
-    "context": "Picker",
-    "bindings": {
-      "f2": "picker::UseSelectedQuery",
-      "alt-enter": ["picker::ConfirmInput", { "secondary": false }],
-      "cmd-alt-enter": ["picker::ConfirmInput", { "secondary": true }]
-    }
-  },
   {
     "context": "Terminal",
     "bindings": {

assets/settings/default.json

@@ -94,6 +94,9 @@
   //  3. Never close the window
   //         "when_closing_with_no_tabs": "keep_window_open",
   "when_closing_with_no_tabs": "platform_default",
+  // Whether to use the system provided dialogs for Open and Save As.
+  // When set to false, Zed will use the built-in keyboard-first pickers.
+  "use_system_path_prompts": true,
   // Whether the cursor blinks in the editor.
   "cursor_blink": true,
   // How to highlight the current line in the editor.