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use orbclient::{self, Renderer}; use orbclient::color::Color; use std::cell::{Cell, RefCell}; use std::sync::Arc; use super::{Event, Point, Rect, Widget}; use theme::WINDOW_BACKGROUND; extern crate orbfont; pub struct WindowRenderer<'a> { inner: &'a mut orbclient::Window, font: &'a Option<orbfont::Font> } impl<'a> WindowRenderer<'a> { pub fn new(inner: &'a mut orbclient::Window, font: &'a Option<orbfont::Font>) -> WindowRenderer<'a> { WindowRenderer { inner: inner, font: font } } } impl<'a> Renderer for WindowRenderer<'a> { fn width(&self) -> u32 { self.inner.width() } fn height(&self) -> u32 { self.inner.height() } fn data(&self) -> &[Color] { self.inner.data() } fn data_mut(&mut self) -> &mut [Color] { self.inner.data_mut() } fn sync(&mut self) -> bool { self.inner.sync() } fn char(&mut self, x: i32, y: i32, c: char, color: Color) { if let Some(ref font) = *self.font { let mut buf = [0; 4]; font.render(&c.encode_utf8(&mut buf), 16.0).draw(self.inner, x, y, color) }else{ self.inner.char(x, y, c, color); } } } impl<'a> Drop for WindowRenderer<'a> { fn drop(&mut self) { self.inner.sync(); } } pub struct Window { inner: RefCell<orbclient::Window>, font: Option<orbfont::Font>, pub widgets: RefCell<Vec<Arc<Widget>>>, pub widget_focus: Cell<usize>, pub bg: Color, pub running: Cell<bool> } impl Window { pub fn new(rect: Rect, title: &str) -> Self { Window { inner: RefCell::new(orbclient::Window::new(rect.x, rect.y, rect.width, rect.height, title).unwrap()), font: orbfont::Font::find(None, None, None).ok(), widgets: RefCell::new(Vec::new()), widget_focus: Cell::new(0), bg: WINDOW_BACKGROUND, running: Cell::new(true), } } pub fn close(&self) { self.running.set(false); } pub fn add<T: Widget>(&self, widget: &Arc<T>) -> usize { let mut widgets = self.widgets.borrow_mut(); let id = widgets.len(); widgets.push(widget.clone()); id } pub fn draw(&self) { let mut inner = self.inner.borrow_mut(); inner.set(self.bg); let mut renderer = WindowRenderer::new(&mut *inner, &self.font); for i in 0..self.widgets.borrow().len() { if let Some(widget) = self.widgets.borrow().get(i) { widget.draw(&mut renderer, self.widget_focus.get() == i); } } } pub fn exec(&self) { let mut events = Vec::new(); events.push(Event::Init); let mut redraw = true; 'event: while self.running.get() { for event in events.drain(..) { for i in 0..self.widgets.borrow().len() { if let Some(widget) = self.widgets.borrow().get(i) { if widget.event(event, self.widget_focus.get() == i, &mut redraw) { if self.widget_focus.get() != i { self.widget_focus.set(i); redraw = true; } } } } } if redraw { self.draw(); redraw = false; } for orbital_event in self.inner.borrow_mut().events() { match orbital_event.to_option() { orbclient::EventOption::Mouse(mouse_event) => { events.push(Event::Mouse { point: Point::new(mouse_event.x, mouse_event.y), left_button: mouse_event.left_button, middle_button: mouse_event.middle_button, right_button: mouse_event.right_button, }) } orbclient::EventOption::Key(key_event) => { if key_event.pressed { match key_event.scancode { orbclient::K_BKSP => events.push(Event::Backspace), orbclient::K_DEL => events.push(Event::Delete), orbclient::K_HOME => events.push(Event::Home), orbclient::K_END => events.push(Event::End), orbclient::K_UP => events.push(Event::UpArrow), orbclient::K_DOWN => events.push(Event::DownArrow), orbclient::K_LEFT => events.push(Event::LeftArrow), orbclient::K_RIGHT => events.push(Event::RightArrow), _ => { match key_event.character { '\0' => (), '\x1B' => (), '\n' => events.push(Event::Enter), _ => events.push(Event::Text { c: key_event.character }), } } } } } orbclient::EventOption::Quit(_quit_event) => break 'event, _ => (), }; } } } }