frontend: the advoware GUI

Signed-off-by: Ralf Zerres <ralf.zerres@networkx.de>
2020-06-12 16:39:45 +02:00
parent 3837183199
commit 51b73d0978
68 changed files with 3499 additions and 0 deletions
--- a/frontend/examples/settings.rs
+++ b/frontend/examples/settings.rs
@@ -0,0 +1,162 @@
+use serde_derive::{Deserialize, Serialize};
+
+use orbtk::prelude::*;
+
+#[derive(Copy, Clone, PartialEq)]
+enum Action {
+    Load,
+    Save,
+    Clear,
+}
+
+#[derive(Default, Clone, Serialize, Deserialize)]
+pub struct Global {
+    pub label: String,
+}
+
+#[derive(Default, AsAny)]
+pub struct MainViewState {
+    action: Option<Action>,
+}
+
+impl MainViewState {
+    fn action(&mut self, action: Action) {
+        self.action = Some(action);
+    }
+}
+
+impl State for MainViewState {
+    fn update(&mut self, registry: &mut Registry, ctx: &mut Context<'_>) {
+        if let Some(action) = self.action {
+            match action {
+                Action::Load => {
+                    // load label from settings file.
+                    if let Ok(global) = registry
+                        .get::<Settings>("settings")
+                        .load::<Global>("global")
+                    {
+                        ctx.widget().set("text", String16::from(global.label));
+                    }
+
+                    ctx.widget().set(
+                        "info_text",
+                        String16::from("Label loaded from settings file."),
+                    );
+                }
+                Action::Save => {
+                    // save label to settings file.
+                    registry
+                        .get_mut::<Settings>("settings")
+                        .save(
+                            "global",
+                            &Global {
+                                label: ctx.widget().get::<String16>("text").to_string(),
+                            },
+                        )
+                        .unwrap();
+                    ctx.widget()
+                        .set("info_text", String16::from("Label saved to settings file."));
+                }
+                Action::Clear => {
+                    ctx.widget().set("text", String16::default());
+                    ctx.widget().set("info_text", String16::from(""));
+                }
+            }
+
+            self.action = None;
+        }
+    }
+}
+
+widget!(MainView<MainViewState> {
+    text: String16,
+    info_text: String16
+});
+
+impl Template for MainView {
+    fn template(self, id: Entity, ctx: &mut BuildContext) -> Self {
+        self.name("MainView").child(
+            Grid::create()
+                .rows(Rows::create().row(36.0).row(4.0).row("auto").build())
+                .columns(
+                    Columns::create()
+                        .column(160.0)
+                        .column(4.0)
+                        .column("Auto")
+                        .column(4.0)
+                        .column("Auto")
+                        .column(4.0)
+                        .column("Auto")
+                        .build(),
+                )
+                .child(
+                    TextBox::create()
+                        .vertical_alignment("center")
+                        .text(id)
+                        .build(ctx),
+                )
+                .child(
+                    Button::create()
+                        .class("single_content")
+                        .attach(Grid::row(0))
+                        .attach(Grid::column(2))
+                        .on_click(move |states, _| {
+                            state(id, states).action(Action::Load);
+                            true
+                        })
+                        .text("Load")
+                        .build(ctx),
+                )
+                .child(
+                    Button::create()
+                        .class("single_content")
+                        .attach(Grid::row(0))
+                        .attach(Grid::column(4))
+                        .on_click(move |states, _| {
+                            state(id, states).action(Action::Save);
+                            true
+                        })
+                        .text("Save")
+                        .build(ctx),
+                )
+                .child(
+                    Button::create()
+                        .class("single_content")
+                        .attach(Grid::row(0))
+                        .attach(Grid::column(6))
+                        .on_click(move |states, _| {
+                            state(id, states).action(Action::Clear);
+                            true
+                        })
+                        .text("Clear")
+                        .build(ctx),
+                )
+                .child(
+                    TextBlock::create()
+                        .attach(Grid::row(2))
+                        .attach(Grid::column(0))
+                        .text(("info_text", id))
+                        .build(ctx),
+                )
+                .build(ctx),
+        )
+    }
+}
+
+fn main() {
+    Application::from_name("orbtk-settings")
+        .window(|ctx| {
+            Window::create()
+                .title("OrbTk - settings example")
+                .position((100.0, 100.0))
+                .size(420.0, 730.0)
+                .child(MainView::create().margin(4.0).build(ctx))
+                .build(ctx)
+        })
+        .run();
+}
+
+// helper to request MainViewState
+fn state<'a>(id: Entity, states: &'a mut StatesContext) -> &'a mut MainViewState {
+    states.get_mut(id)
+}