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use graphics::*;
use opengl_graphics::GlGraphics;
use piston::input::*;
use crate::core::callbacks::*;
use crate::core::point::Point;
use crate::core::widget_store::*;
use crate::widget::box_widget::*;
use crate::widget::config::*;
use crate::widget::image_widget::*;
use crate::widget::text_widget::*;
use crate::widget::widget::*;
pub struct CheckboxWidget {
config: Configurable,
base_widget: BoxWidget,
text_widget: TextWidget,
selected: bool,
selected_widget: ImageWidget,
unselected_widget: ImageWidget,
widget_id: i32,
on_click: Option<Box<dyn FnMut(&mut CheckboxWidget, bool)>>,
}
impl CheckboxWidget {
pub fn new(
font_name: String,
text: String,
font_size: u32,
justify: TextJustify,
selected: bool,
) -> Self {
let mut selected_widget = ImageWidget::new("checkbox_selected.png".to_string());
selected_widget.set_point(CONFIG_ORIGIN, 2, 2);
selected_widget.set_toggle(CONFIG_WIDGET_HIDDEN, true);
let mut unselected_widget = ImageWidget::new("checkbox_unselected.png".to_string());
unselected_widget.set_point(CONFIG_ORIGIN, 2, 2);
unselected_widget.set_toggle(CONFIG_WIDGET_HIDDEN, false);
let text_widget =
TextWidget::new(font_name.to_string(), text.to_string(), font_size, justify);
Self {
config: Configurable::new(),
base_widget: BoxWidget::new(),
text_widget,
selected,
selected_widget,
unselected_widget,
widget_id: 0,
on_click: None,
}
}
pub fn on_click<F>(&mut self, callback: F)
where
F: FnMut(&mut CheckboxWidget, bool) + 'static,
{
self.on_click = Some(Box::new(callback));
}
pub fn click(&mut self, state: bool) {
if let Some(mut cb) = self.on_click.take() {
cb(self, state);
self.on_click = Some(cb);
}
}
}
impl Drawable for CheckboxWidget {
fn draw(&mut self, c: Context, g: &mut GlGraphics, clip: &DrawState) {
self.base_widget.draw(c, g, &clip);
let size = self.config().get_size(CONFIG_BODY_SIZE);
g.rectangle(
&Rectangle::new(self.config().get_color(CONFIG_MAIN_COLOR)),
[0.0f64, 0.0f64, size.w as f64, size.h as f64],
clip,
c.transform,
);
if self.selected {
self.selected_widget
.get_drawable()
.draw_with_offset(c, g, &clip, Point { x: 0, y: 0 });
} else {
self.unselected_widget.get_drawable().draw_with_offset(
c,
g,
&clip,
Point { x: 0, y: 0 },
);
}
self.text_widget
.get_drawable()
.draw_with_offset(c, g, &clip, Point { x: 38, y: 0 });
self.clear_invalidate();
}
}
impl InjectableSystemEvents for CheckboxWidget {}
impl InjectableCustomEvents for CheckboxWidget {}
impl Widget for CheckboxWidget {
fn config(&mut self) -> &mut Configurable {
&mut self.config
}
fn set_config(&mut self, config: u8, config_value: Config) {
self.config().set(config, config_value.clone());
self.base_widget.set_config(config, config_value.clone());
self.text_widget.set_config(config, config_value.clone());
if config == CONFIG_BODY_SIZE {
let size = self.config().get_size(CONFIG_BODY_SIZE);
if size.h < 32 {
self.selected_widget
.set_size(CONFIG_BODY_SIZE, size.h, size.h);
self.unselected_widget
.set_size(CONFIG_BODY_SIZE, size.h, size.h);
} else {
self.selected_widget
.set_point(CONFIG_ORIGIN, 0, (size.h - 32) / 2);
self.selected_widget.set_size(CONFIG_BODY_SIZE, 32, 32);
self.unselected_widget
.set_point(CONFIG_ORIGIN, 0, (size.h - 32) / 2);
self.unselected_widget.set_size(CONFIG_BODY_SIZE, 32, 32);
}
}
}
fn handle_event(&mut self, injected: bool, event: CallbackEvent, _widget_store: Option<&Vec<WidgetContainer>>) -> Option<CallbackEvent> {
if !injected {
match event {
CallbackEvent::MouseButtonUpInside { widget_id, button } => match button {
Button::Mouse(mouse_button) => {
if mouse_button == MouseButton::Left {
self.selected = !self.selected;
self.click(self.selected);
self.invalidate();
return Some(CallbackEvent::WidgetSelected {
widget_id,
button,
selected: self.selected,
});
}
}
_ => (),
},
_ => (),
}
}
None
}
fn handles_events(&mut self) -> bool {
true
}
fn set_widget_id(&mut self, widget_id: i32) {
self.widget_id = widget_id;
}
fn get_widget_id(&mut self) -> i32 {
self.widget_id
}
fn get_injectable_custom_events(&mut self) -> &mut dyn InjectableCustomEvents {
self
}
fn get_injectable_system_events(&mut self) -> &mut dyn InjectableSystemEvents {
self
}
fn get_drawable(&mut self) -> &mut dyn Drawable {
self
}
}