chore: move some components to custom ui crate (#10)

Reviewed-on: https://git.reya.su/reya/signed/pulls/10

crates/dock/Cargo.toml

@@ -9,6 +9,7 @@ publish.workspace = true
 gpui.workspace = true
 gpui-component.workspace = true
 gpui-base.workspace = true
+signed_ui = { path = "../signed_ui" }
 
 [dev-dependencies]
 gpui = { workspace = true, features = ["test-support"] }

crates/dock/src/lib.rs

@@ -9,10 +9,7 @@
 //! Everything `gpui_component::dock` exports is re-exported here, so the app
 //! keeps importing the dock from a single place.
 
-use gpui::{
-    App, Div, InteractiveElement as _, MouseButton, Pixels, Stateful,
-    StatefulInteractiveElement as _, Window, WindowControlArea, px,
-};
+use gpui::{Pixels, px};
 
 mod dock_area;
 mod invalid_panel;
@@ -44,54 +41,3 @@ pub(crate) fn t(key: &'static str) -> &'static str {
         _ => key,
     }
 }
-
-/// State used to move the window when the title bar area is dragged.
-struct WindowDragState {
-    should_move: bool,
-}
-
-/// Make an element behave like a window title bar: dragging it moves the
-/// window, and double-clicking zooms the window (or performs the platform's
-/// default title-bar double-click action on macOS).
-///
-/// Only the bar's non-interactive areas should get this — tabs are draggable
-/// (to reorder panels) and must not move the window.
-pub fn title_bar_drag_handlers(
-    this: Stateful<Div>,
-    window: &mut Window,
-    cx: &mut App,
-) -> Stateful<Div> {
-    let state = window.use_state(cx, |_, _| WindowDragState { should_move: false });
-
-    this.window_control_area(WindowControlArea::Drag)
-        .on_mouse_down_out(window.listener_for(&state, |state, _, _, _| {
-            state.should_move = false;
-        }))
-        .on_mouse_down(
-            MouseButton::Left,
-            window.listener_for(&state, |state, _, _, _| {
-                state.should_move = true;
-            }),
-        )
-        .on_mouse_up(
-            MouseButton::Left,
-            window.listener_for(&state, |state, _, _, _| {
-                state.should_move = false;
-            }),
-        )
-        .on_mouse_move(window.listener_for(&state, |state, _, window, _| {
-            if state.should_move {
-                state.should_move = false;
-                window.start_window_move();
-            }
-        }))
-        .on_click(|event, window, _| {
-            if event.click_count() == 2 {
-                if cfg!(target_os = "macos") {
-                    window.titlebar_double_click();
-                } else {
-                    window.zoom_window();
-                }
-            }
-        })
-}

crates/dock/src/tab_panel.rs

@@ -31,11 +31,11 @@ use gpui_component::menu::DropdownMenu as _;
 use gpui_component::{
     ActiveTheme as _, Disableable as _, IconName, Selectable as _, Sizable as _, h_flex, v_flex,
 };
+use signed_ui::title_bar_drag_handlers;
 
 use crate::dock_area::SkinShared;
 use crate::{
-    ClosePanel, PanelControl, PanelHandle, TAB_BAR_HEIGHT, ToggleZoom, t, title_bar_drag_handlers,
-    window_controls,
+    ClosePanel, PanelControl, PanelHandle, TAB_BAR_HEIGHT, ToggleZoom, t, window_controls,
 };
 
 /// The size the styled drag preview occupies, reported to base so a drop