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use std::sync::Arc;
use crate::{math::Rect, Context, Ui};
// ----------------------------------------------------------------------------
#[derive(Clone, Default)]
#[cfg_attr(feature = "with_serde", derive(serde::Serialize))]
pub struct Output {
pub cursor_icon: CursorIcon,
/// If set, open this url.
pub open_url: Option<String>,
/// Response to Event::Copy or Event::Cut. Ignore if empty.
pub copied_text: String,
}
#[derive(Clone, Copy)]
#[cfg_attr(feature = "with_serde", derive(serde::Serialize))]
#[cfg_attr(feature = "with_serde", serde(rename_all = "snake_case"))]
pub enum CursorIcon {
Default,
/// Pointing hand, used for e.g. web links
PointingHand,
ResizeHorizontal,
ResizeNeSw,
ResizeNwSe,
ResizeVertical,
Text,
}
impl Default for CursorIcon {
fn default() -> Self {
Self::Default
}
}
// ----------------------------------------------------------------------------
#[derive(Clone, Copy, Debug)]
#[cfg_attr(feature = "with_serde", derive(serde::Serialize))]
pub struct InteractInfo {
/// The mouse is hovering above this thing
pub hovered: bool,
/// The mouse pressed this thing ealier, and now released on this thing too.
pub clicked: bool,
pub double_clicked: bool,
/// The mouse is interacting with this thing (e.g. dragging it or holding it)
pub active: bool,
/// The region of the screen we are talking about
pub rect: Rect,
}
impl InteractInfo {
pub fn nothing() -> Self {
Self {
hovered: false,
clicked: false,
double_clicked: false,
active: false,
rect: Rect::nothing(),
}
}
pub fn union(self, other: Self) -> Self {
Self {
hovered: self.hovered || other.hovered,
clicked: self.clicked || other.clicked,
double_clicked: self.double_clicked || other.double_clicked,
active: self.active || other.active,
rect: self.rect.union(other.rect),
}
}
}
// ----------------------------------------------------------------------------
// TODO: rename GuiResponse
pub struct GuiResponse {
/// The mouse is hovering above this
pub hovered: bool,
/// The mouse clicked this thing this frame
pub clicked: bool,
pub double_clicked: bool,
/// The mouse is interacting with this thing (e.g. dragging it)
pub active: bool,
/// The area of the screen we are talking about
pub rect: Rect,
/// Used for optionally showing a tooltip
pub ctx: Arc<Context>,
}
impl GuiResponse {
/// Show some stuff if the item was hovered
pub fn tooltip(&mut self, add_contents: impl FnOnce(&mut Ui)) -> &mut Self {
if self.hovered {
crate::containers::show_tooltip(&self.ctx, add_contents);
}
self
}
/// Show this text if the item was hovered
pub fn tooltip_text(&mut self, text: impl Into<String>) -> &mut Self {
self.tooltip(|popup| {
popup.add(crate::widgets::Label::new(text));
})
}
}
impl Into<InteractInfo> for GuiResponse {
fn into(self) -> InteractInfo {
InteractInfo {
hovered: self.hovered,
clicked: self.clicked,
double_clicked: self.double_clicked,
active: self.active,
rect: self.rect,
}
}
}
// ----------------------------------------------------------------------------
/// What sort of interaction is a widget sensitive to?
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub struct Sense {
/// buttons, sliders, windows ...
pub click: bool,
/// sliders, windows, scroll bars, scroll areas ...
pub drag: bool,
}
impl Sense {
pub fn nothing() -> Self {
Self {
click: false,
drag: false,
}
}
pub fn click() -> Self {
Self {
click: true,
drag: false,
}
}
pub fn drag() -> Self {
Self {
click: false,
drag: true,
}
}
/// e.g. a slider or window
pub fn click_and_drag() -> Self {
Self {
click: true,
drag: true,
}
}
}