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extern crate orbtk; extern crate orbclient; use orbclient::{Color, Renderer}; use std::cell::{Cell, RefCell}; use std::sync::Arc; use orbtk::cell::{CloneCell, CheckSet}; use orbtk::event::Event; use orbtk::point::Point; use orbtk::rect::Rect; use orbtk::theme::{LABEL_BACKGROUND, LABEL_BORDER, LABEL_FOREGROUND}; use orbtk::traits::{Border, Click, Place, Text}; use orbtk::widgets::Widget; pub struct Modal { pub rect: Cell<Rect>, pub bg: Cell<Color>, pub fg: Cell<Color>, pub fg_border: Cell<Color>, pub border: Cell<bool>, pub border_radius: Cell<u32>, pub text: CloneCell<String>, pub text_offset: Cell<Point>, pub visible: Cell<bool>, click_callback: RefCell<Option<Arc<Fn(&Modal, Point)>>>, pressed: Cell<bool>, } impl Modal { pub fn new() -> Arc<Self> { Arc::new(Modal { rect: Cell::new(Rect::default()), bg: Cell::new(LABEL_BACKGROUND), fg: Cell::new(LABEL_FOREGROUND), fg_border: Cell::new(LABEL_BORDER), border: Cell::new(false), border_radius: Cell::new(0), text: CloneCell::new(String::new()), text_offset: Cell::new(Point::default()), click_callback: RefCell::new(None), pressed: Cell::new(false), visible: Cell::new(false), }) } } impl Border for Modal { fn border(&self, enabled: bool) -> &Self { self.border.set(enabled); self } fn border_radius(&self, radius: u32) -> &Self { self.border_radius.set(radius); self } } impl Click for Modal { fn emit_click(&self, point: Point) { if let Some(ref click_callback) = *self.click_callback.borrow() { click_callback(self, point); } } fn on_click<T: Fn(&Self, Point) + 'static>(&self, func: T) -> &Self { *self.click_callback.borrow_mut() = Some(Arc::new(func)); self } } impl Place for Modal {} impl Text for Modal { fn text<S: Into<String>>(&self, text: S) -> &Self { self.text.set(text.into()); self } fn text_offset(&self, x: i32, y: i32) -> &Self { self.text_offset.set(Point::new(x, y)); self } } impl Widget for Modal { fn rect(&self) -> &Cell<Rect> { &self.rect } fn draw(&self, renderer: &mut Renderer, _focused: bool) { if !self.visible.get() { return } let rect = self.rect.get(); let b_r = self.border_radius.get(); renderer.rounded_rect(rect.x, rect.y, rect.width, rect.height, b_r, true, self.bg.get()); if self.border.get() { renderer.rounded_rect(rect.x, rect.y, rect.width, rect.height, b_r, false, self.fg_border.get()); } let fg = self.fg.get(); let text = self.text.borrow(); let mut point = self.text_offset.get(); for c in text.chars().chain("\n\n\nPress any key to continue.".chars()) { if c == '\n' { point.x = self.text_offset.get().x; point.y += 16; } else { if point.x + 8 <= rect.width as i32 && point.y + 16 <= rect.height as i32 { renderer.char(point.x + rect.x, point.y + rect.y, c, fg); } point.x += 8; } } } fn event(&self, event: Event, focused: bool, redraw: &mut bool) -> bool { match event { Event::Mouse { point, left_button, .. } => { let mut click = false; let rect = self.rect.get(); if rect.contains(point) { if left_button { if self.pressed.check_set(true) { *redraw = true; } } else { if self.pressed.check_set(false) { click = true; *redraw = true; } } } else { if !left_button { if self.pressed.check_set(false) { *redraw = true; } } } if click { let click_point: Point = point - rect.point(); self.emit_click(click_point); } }, _ => { self.visible.set(false); *redraw = true; }, } focused } }