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use crate::{
widget::{
Widget,
WidgetBuilder,
},
UINode,
message::{
UiMessage,
UiMessageData,
CheckBoxMessage,
WidgetMessage,
},
Thickness,
border::BorderBuilder,
Control,
core::{
pool::Handle,
color::Color,
},
brush::Brush,
NodeHandleMapping,
BuildContext,
UserInterface
};
use std::ops::{Deref, DerefMut};
pub struct CheckBox<M: 'static, C: 'static + Control<M, C>> {
pub widget: Widget<M, C>,
pub checked: Option<bool>,
pub check_mark: Handle<UINode<M, C>>,
}
impl<M: 'static, C: 'static + Control<M, C>> Deref for CheckBox<M, C> {
type Target = Widget<M, C>;
fn deref(&self) -> &Self::Target {
&self.widget
}
}
impl<M: 'static, C: 'static + Control<M, C>> DerefMut for CheckBox<M, C> {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.widget
}
}
impl<M: 'static, C: 'static + Control<M, C>> Control<M, C> for CheckBox<M, C> {
fn raw_copy(&self) -> UINode<M, C> {
UINode::CheckBox(Self {
widget: self.widget.raw_copy(),
checked: self.checked,
check_mark: self.check_mark,
})
}
fn resolve(&mut self, node_map: &NodeHandleMapping<M, C>) {
self.check_mark = *node_map.get(&self.check_mark).unwrap();
}
fn handle_routed_message(&mut self, ui: &mut UserInterface<M, C>, message: &mut UiMessage<M, C>) {
self.widget.handle_routed_message(ui, message);
match message.data {
UiMessageData::Widget(ref msg) => {
match msg {
WidgetMessage::MouseDown { .. } => {
if message.destination == self.handle() || self.widget.has_descendant(message.destination, ui) {
ui.capture_mouse(self.handle());
}
}
WidgetMessage::MouseUp { .. } => {
if message.destination == self.handle() || self.widget.has_descendant(message.destination, ui) {
ui.release_mouse_capture();
if let Some(value) = self.checked {
ui.send_message(UiMessage {
data: UiMessageData::CheckBox(CheckBoxMessage::Check(Some(!value))),
destination: self.handle(),
handled: false,
});
} else {
ui.send_message(UiMessage {
data: UiMessageData::CheckBox(CheckBoxMessage::Check(Some(true))),
destination: self.handle(),
handled: false,
});
}
}
}
_ => ()
}
}
UiMessageData::CheckBox(ref msg) => {
if let CheckBoxMessage::Check(value) = *msg {
if self.checked != value {
self.checked = value;
if message.destination == self.handle() && self.check_mark.is_some() {
match value {
None => {
ui.send_message(WidgetMessage::background(self.check_mark, Brush::Solid(Color::opaque(30, 30, 80))));
}
Some(value) => {
ui.send_message(WidgetMessage::background(self.check_mark, Brush::Solid(Color::opaque(200, 200, 200))));
ui.send_message(WidgetMessage::visibility(self.check_mark, value));
}
}
}
}
}
}
_ => {}
}
}
fn remove_ref(&mut self, handle: Handle<UINode<M, C>>) {
if self.check_mark == handle {
self.check_mark = Handle::NONE;
}
}
}
pub struct CheckBoxBuilder<M: 'static, C: 'static + Control<M, C>> {
widget_builder: WidgetBuilder<M, C>,
checked: Option<bool>,
check_mark: Option<Handle<UINode<M, C>>>,
}
impl<M: 'static, C: 'static + Control<M, C>> CheckBoxBuilder<M, C> {
pub fn new(widget_builder: WidgetBuilder<M, C>) -> Self {
Self {
widget_builder,
checked: Some(false),
check_mark: None,
}
}
pub fn checked(mut self, value: Option<bool>) -> Self {
self.checked = value;
self
}
pub fn with_check_mark(mut self, check_mark: Handle<UINode<M, C>>) -> Self {
self.check_mark = Some(check_mark);
self
}
pub fn build(self, ctx: &mut BuildContext<M, C>) -> Handle<UINode<M, C>> {
let check_mark = self.check_mark.unwrap_or_else(|| {
BorderBuilder::new(WidgetBuilder::new()
.with_background(Brush::Solid(Color::opaque(200, 200, 200)))
.with_margin(Thickness::uniform(1.0)))
.with_stroke_thickness(Thickness::uniform(0.0))
.build(ctx)
});
ctx[check_mark].set_visibility(self.checked.unwrap_or(true));
let cb = CheckBox {
widget: self.widget_builder
.with_child(BorderBuilder::new(WidgetBuilder::new()
.with_background(Brush::Solid(Color::opaque(60, 60, 60)))
.with_child(check_mark))
.with_stroke_thickness(Thickness::uniform(1.0))
.build(ctx))
.build(),
checked: self.checked,
check_mark,
};
ctx.add_node(UINode::CheckBox(cb))
}
}