From 7d581c156106f92074b33c0c644daf518aecd6a1 Mon Sep 17 00:00:00 2001
From: Aleksander <aleksander@oo8.dev>
Date: Thu, 27 Nov 2025 23:28:10 +0100
Subject: [PATCH] dash-frontend: popup manager

---
 dash-frontend/assets/gui/dashboard.xml        |   4 +
 .../assets/gui/view/app_launcher.xml          |   7 ++
 .../assets/gui/view/popup_window.xml          |  45 +++++++
 dash-frontend/src/frontend.rs                 |  45 +++++--
 dash-frontend/src/lib.rs                      |   1 +
 dash-frontend/src/tab/apps.rs                 |  14 ++-
 dash-frontend/src/tab/mod.rs                  |   3 +-
 dash-frontend/src/util/desktop_finder.rs      |   2 +-
 dash-frontend/src/util/mod.rs                 |   1 +
 dash-frontend/src/util/popup_manager.rs       | 110 ++++++++++++++++++
 dash-frontend/src/views/app_launcher.rs       |  39 +++++++
 dash-frontend/src/views/mod.rs                |   1 +
 12 files changed, 259 insertions(+), 13 deletions(-)
 create mode 100644 dash-frontend/assets/gui/view/app_launcher.xml
 create mode 100644 dash-frontend/assets/gui/view/popup_window.xml
 create mode 100644 dash-frontend/src/util/popup_manager.rs
 create mode 100644 dash-frontend/src/views/app_launcher.rs
 create mode 100644 dash-frontend/src/views/mod.rs

diff --git a/dash-frontend/assets/gui/dashboard.xml b/dash-frontend/assets/gui/dashboard.xml
index 9a46400..59b624f 100644
--- a/dash-frontend/assets/gui/dashboard.xml
+++ b/dash-frontend/assets/gui/dashboard.xml
@@ -80,6 +80,7 @@
           <rectangle
             position="absolute" width="100%" height="100%"
             gradient="radial" color="#44BBFF22" color2="#00000000" />
+
           <div
             id="content"
             flex_direction="column"
@@ -95,6 +96,9 @@
           >
             <!-- filled-in at runtime -->
           </div>
+
+          <div position="absolute" id="popup_manager" width="100%" height="100%" />
+
         </rectangle>
         <!-- BOTTOM PANEL -->
         <rectangle
diff --git a/dash-frontend/assets/gui/view/app_launcher.xml b/dash-frontend/assets/gui/view/app_launcher.xml
new file mode 100644
index 0000000..4c628d9
--- /dev/null
+++ b/dash-frontend/assets/gui/view/app_launcher.xml
@@ -0,0 +1,7 @@
+<layout>
+  <elements>
+    <rectangle new_pass="1" color="#ff000099" width="100%" height="100%">
+      <label text="TEST" size="80" />
+    </rectangle>
+  </elements>
+</layout>
\ No newline at end of file
diff --git a/dash-frontend/assets/gui/view/popup_window.xml b/dash-frontend/assets/gui/view/popup_window.xml
new file mode 100644
index 0000000..bb6dc22
--- /dev/null
+++ b/dash-frontend/assets/gui/view/popup_window.xml
@@ -0,0 +1,45 @@
+<layout>
+  <include src="../theme.xml" />
+
+  <elements>
+    <div
+      id="root"
+      new_pass="1"
+      width="100%"
+      height="100%"
+      flex_direction="column"
+    >
+      <!-- Top black bar -->
+      <rectangle
+        position="relative"
+        color="#000000"
+        round="4"
+        width="100%" height="48"
+      >
+
+        <!-- Shine effect at the top -->
+        <rectangle position="absolute" width="100%" height="2" round="4" color="#ffffff55" />
+
+        <!-- Top bar contents -->
+        <div gap="16" align_items="center">
+          <!-- Back button -->
+          <Button id="but_back" width="48" height="48" color="#ffffff00" border_color="#ffffff00">
+            <sprite src="dashboard/back.svg" width="24" height="24" />
+          </Button>
+
+          <!-- Title -->
+          <label id="popup_title" weight="bold" size="18" text="Pop-up title" />
+        </div>
+      </rectangle>
+
+      <!-- Content -->
+      <rectangle width="100%" height="100%"
+        color="#010310cc"
+        color2="#061e4acc"
+        gradient="vertical"
+        padding="16"
+        id="content">
+      </rectangle>
+    </div>
+  </elements>
+</layout>
\ No newline at end of file
diff --git a/dash-frontend/src/frontend.rs b/dash-frontend/src/frontend.rs
index 0b5c7d9..5e18b1d 100644
--- a/dash-frontend/src/frontend.rs
+++ b/dash-frontend/src/frontend.rs
@@ -19,8 +19,14 @@ use crate::{
 		Tab, TabParams, TabType, apps::TabApps, games::TabGames, home::TabHome, monado::TabMonado, processes::TabProcesses,
 		settings::TabSettings,
 	},
+	util::popup_manager::{PopupManager, PopupManagerParams},
 };
 
+pub struct FrontendWidgets {
+	pub id_label_time: WidgetID,
+	pub id_rect_content: WidgetID,
+}
+
 pub struct Frontend {
 	pub layout: RcLayout,
 	globals: WguiGlobals,
@@ -36,8 +42,8 @@ pub struct Frontend {
 
 	ticks: u32,
 
-	id_label_time: WidgetID,
-	id_rect_content: WidgetID,
+	widgets: FrontendWidgets,
+	popup_manager: PopupManager,
 }
 
 pub struct InitParams {
@@ -50,6 +56,7 @@ pub enum FrontendTask {
 	SetTab(TabType),
 	RefreshClock,
 	RefreshBackground,
+	MountPopup,
 }
 
 impl Frontend {
@@ -71,7 +78,7 @@ impl Frontend {
 			},
 		)?;
 
-		let (layout, state) = wgui::parser::new_layout_from_assets(
+		let (mut layout, state) = wgui::parser::new_layout_from_assets(
 			&ParseDocumentParams {
 				globals: globals.clone(),
 				path: AssetPath::BuiltIn("gui/dashboard.xml"),
@@ -80,6 +87,13 @@ impl Frontend {
 			&LayoutParams { resize_to_parent: true },
 		)?;
 
+		let id_popup_manager = state.get_widget_id("popup_manager")?;
+		let popup_manager = PopupManager::new(PopupManagerParams {
+			globals: globals.clone(),
+			layout: &mut layout,
+			parent_id: id_popup_manager,
+		})?;
+
 		let rc_layout = layout.as_rc();
 
 		let mut tasks = VecDeque::<FrontendTask>::new();
@@ -95,9 +109,12 @@ impl Frontend {
 			globals,
 			tasks,
 			ticks: 0,
-			id_label_time,
-			id_rect_content,
+			widgets: FrontendWidgets {
+				id_label_time,
+				id_rect_content,
+			},
 			settings: params.settings,
+			popup_manager,
 		};
 
 		// init some things first
@@ -142,7 +159,7 @@ impl Frontend {
 		let mut common = c.common();
 
 		{
-			let Some(mut label) = common.state.widgets.get_as::<WidgetLabel>(self.id_label_time) else {
+			let Some(mut label) = common.state.widgets.get_as::<WidgetLabel>(self.widgets.id_label_time) else {
 				anyhow::bail!("");
 			};
 
@@ -165,10 +182,22 @@ impl Frontend {
 		Ok(())
 	}
 
+	fn mount_popup(&mut self) -> anyhow::Result<()> {
+		let mut layout = self.layout.borrow_mut();
+
+		self.popup_manager.push_popup(self.globals.clone(), &mut layout)?;
+
+		Ok(())
+	}
+
 	fn update_background(&self) -> anyhow::Result<()> {
 		let layout = self.layout.borrow_mut();
 
-		let Some(mut rect) = layout.state.widgets.get_as::<WidgetRectangle>(self.id_rect_content) else {
+		let Some(mut rect) = layout
+			.state
+			.widgets
+			.get_as::<WidgetRectangle>(self.widgets.id_rect_content)
+		else {
 			anyhow::bail!("");
 		};
 
@@ -197,6 +226,7 @@ impl Frontend {
 			FrontendTask::SetTab(tab_type) => self.set_tab(tab_type, rc_this)?,
 			FrontendTask::RefreshClock => self.update_time()?,
 			FrontendTask::RefreshBackground => self.update_background()?,
+			FrontendTask::MountPopup => self.mount_popup()?,
 		}
 		Ok(())
 	}
@@ -212,6 +242,7 @@ impl Frontend {
 			layout: &mut layout,
 			parent_id: widget_content.id,
 			frontend: rc_this,
+			frontend_widgets: &self.widgets,
 			settings: self.settings.get_mut(),
 		};
 
diff --git a/dash-frontend/src/lib.rs b/dash-frontend/src/lib.rs
index 00dd643..5266836 100644
--- a/dash-frontend/src/lib.rs
+++ b/dash-frontend/src/lib.rs
@@ -4,3 +4,4 @@ pub mod settings;
 mod tab;
 mod util;
 mod various;
+mod views;
diff --git a/dash-frontend/src/tab/apps.rs b/dash-frontend/src/tab/apps.rs
index c60f59a..63aa2a8 100644
--- a/dash-frontend/src/tab/apps.rs
+++ b/dash-frontend/src/tab/apps.rs
@@ -8,8 +8,10 @@ use wgui::{
 };
 
 use crate::{
+	frontend::FrontendTask,
 	tab::{Tab, TabParams, TabType},
 	util::{self, desktop_finder::DesktopEntry},
+	views,
 };
 
 pub struct TabApps {
@@ -95,10 +97,14 @@ impl AppList {
 		let data = parser_state.parse_template(doc_params, "AppEntry", params.layout, list_parent.id, template_params)?;
 
 		let button = data.fetch_component_as::<ComponentButton>("button")?;
-		button.on_click(Box::new(move |_common, _evt| {
-			log::info!("click");
-			Ok(())
-		}));
+
+		button.on_click({
+			let frontend = params.frontend.clone();
+			Box::new(move |_common, _evt| {
+				frontend.borrow_mut().push_task(FrontendTask::MountPopup);
+				Ok(())
+			})
+		});
 
 		self.data.push(data);
 
diff --git a/dash-frontend/src/tab/mod.rs b/dash-frontend/src/tab/mod.rs
index 9139ea7..2ab13e7 100644
--- a/dash-frontend/src/tab/mod.rs
+++ b/dash-frontend/src/tab/mod.rs
@@ -6,7 +6,7 @@ use wgui::{
 	layout::{Layout, WidgetID},
 };
 
-use crate::frontend::{FrontendTask, RcFrontend};
+use crate::frontend::{FrontendTask, FrontendWidgets, RcFrontend};
 
 pub mod apps;
 pub mod games;
@@ -30,6 +30,7 @@ pub struct TabParams<'a> {
 	pub layout: &'a mut Layout,
 	pub parent_id: WidgetID,
 	pub frontend: &'a RcFrontend,
+	pub frontend_widgets: &'a FrontendWidgets,
 	pub settings: &'a mut crate::settings::Settings,
 }
 
diff --git a/dash-frontend/src/util/desktop_finder.rs b/dash-frontend/src/util/desktop_finder.rs
index bdb6caa..8f0b6b5 100644
--- a/dash-frontend/src/util/desktop_finder.rs
+++ b/dash-frontend/src/util/desktop_finder.rs
@@ -1,7 +1,7 @@
 use gio::prelude::{AppInfoExt, IconExt};
 use gtk::traits::IconThemeExt;
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 #[allow(dead_code)] // TODO: remove this
 pub struct DesktopEntry {
 	pub exec_path: String,
diff --git a/dash-frontend/src/util/mod.rs b/dash-frontend/src/util/mod.rs
index b37699f..7e87a39 100644
--- a/dash-frontend/src/util/mod.rs
+++ b/dash-frontend/src/util/mod.rs
@@ -1 +1,2 @@
 pub mod desktop_finder;
+pub mod popup_manager;
diff --git a/dash-frontend/src/util/popup_manager.rs b/dash-frontend/src/util/popup_manager.rs
new file mode 100644
index 0000000..71f3f3f
--- /dev/null
+++ b/dash-frontend/src/util/popup_manager.rs
@@ -0,0 +1,110 @@
+use std::{
+	cell::RefCell,
+	rc::{Rc, Weak},
+};
+
+use wgui::{
+	assets::AssetPath,
+	components::button::ComponentButton,
+	event::{EventAlterables, StyleSetRequest},
+	globals::WguiGlobals,
+	layout::{Layout, LayoutTask, WidgetID},
+	parser::{Fetchable, ParseDocumentParams, ParserState},
+	taffy::Display,
+};
+
+pub struct PopupManagerParams<'a> {
+	pub globals: WguiGlobals,
+	pub layout: &'a mut Layout,
+	pub parent_id: WidgetID,
+}
+
+struct MountedPopup {
+	#[allow(dead_code)]
+	state: ParserState,
+	id_root: WidgetID,
+}
+
+pub struct State {
+	popup_stack: Vec<MountedPopup>,
+}
+
+pub struct PopupManager {
+	pub state: Rc<RefCell<State>>,
+	globals: WguiGlobals,
+	parent_id: WidgetID,
+}
+
+pub struct PushPopupResult {
+	pub id_content: WidgetID,
+}
+
+impl State {
+	fn refresh_stack(&mut self, alterables: &mut EventAlterables) {
+		// show only the topmost popup
+		for (idx, popup) in self.popup_stack.iter().enumerate() {
+			alterables.set_style(
+				popup.id_root,
+				StyleSetRequest::Display(if idx == self.popup_stack.len() - 1 {
+					Display::Flex
+				} else {
+					Display::None
+				}),
+			);
+		}
+	}
+
+	fn pop_popup(&mut self, alterables: &mut EventAlterables) {
+		let Some(popup) = self.popup_stack.pop() else {
+			return;
+		};
+
+		alterables.tasks.push(LayoutTask::RemoveWidget(popup.id_root));
+		self.refresh_stack(alterables);
+	}
+}
+
+impl PopupManager {
+	pub fn new(params: PopupManagerParams) -> anyhow::Result<Self> {
+		Ok(Self {
+			globals: params.globals,
+			parent_id: params.parent_id,
+			state: Rc::new(RefCell::new(State {
+				popup_stack: Vec::new(),
+			})),
+		})
+	}
+
+	pub fn push_popup(&mut self, globals: WguiGlobals, layout: &mut Layout) -> anyhow::Result<PushPopupResult> {
+		let doc_params = &ParseDocumentParams {
+			globals,
+			path: AssetPath::BuiltIn("gui/view/popup_window.xml"),
+			extra: Default::default(),
+		};
+		let state = wgui::parser::parse_from_assets(doc_params, layout, self.parent_id)?;
+
+		let id_root = state.get_widget_id("root")?;
+		let id_content = state.get_widget_id("content")?;
+
+		let but_back = state.fetch_component_as::<ComponentButton>("but_back")?;
+
+		but_back.on_click({
+			let state = self.state.clone();
+			Box::new(move |common, _evt| {
+				state.borrow_mut().pop_popup(common.alterables);
+				Ok(())
+			})
+		});
+
+		let mounted_popup = MountedPopup { state, id_root };
+
+		let mut state = self.state.borrow_mut();
+		state.popup_stack.push(mounted_popup);
+
+		let mut c = layout.start_common();
+		state.refresh_stack(c.common().alterables);
+		c.finish()?;
+
+		Ok(PushPopupResult { id_content })
+	}
+}
diff --git a/dash-frontend/src/views/app_launcher.rs b/dash-frontend/src/views/app_launcher.rs
new file mode 100644
index 0000000..49d169f
--- /dev/null
+++ b/dash-frontend/src/views/app_launcher.rs
@@ -0,0 +1,39 @@
+use wgui::{
+	assets::AssetPath,
+	globals::WguiGlobals,
+	layout::{Layout, WidgetID},
+	parser::{ParseDocumentParams, ParserState},
+};
+
+use crate::util::desktop_finder::DesktopEntry;
+
+pub struct View {
+	#[allow(dead_code)]
+	pub state: ParserState,
+
+	entry: DesktopEntry,
+}
+
+pub struct Params<'a> {
+	pub globals: WguiGlobals,
+	pub entry: DesktopEntry,
+	pub layout: &'a mut Layout,
+	pub parent_id: WidgetID,
+}
+
+impl View {
+	pub fn new(params: Params) -> anyhow::Result<Self> {
+		let doc_params = &ParseDocumentParams {
+			globals: params.globals.clone(),
+			path: AssetPath::BuiltIn("gui/view/app_launcher.xml"),
+			extra: Default::default(),
+		};
+
+		let mut state = wgui::parser::parse_from_assets(doc_params, params.layout, params.parent_id)?;
+
+		Ok(Self {
+			entry: params.entry,
+			state,
+		})
+	}
+}
diff --git a/dash-frontend/src/views/mod.rs b/dash-frontend/src/views/mod.rs
new file mode 100644
index 0000000..5eb7e4e
--- /dev/null
+++ b/dash-frontend/src/views/mod.rs
@@ -0,0 +1 @@
+pub mod app_launcher;