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use crate::sys;
use crate::Ui;
/// # Window scrolling
impl<'ui> Ui {
/// Returns the horizontal scrolling position.
///
/// Value is between 0.0 and self.scroll_max_x().
#[doc(alias = "GetScrollX")]
pub fn scroll_x(&self) -> f32 {
unsafe { sys::igGetScrollX() }
}
/// Returns the vertical scrolling position.
///
/// Value is between 0.0 and self.scroll_max_y().
#[doc(alias = "GetScrollY")]
pub fn scroll_y(&self) -> f32 {
unsafe { sys::igGetScrollY() }
}
/// Returns the maximum horizontal scrolling position.
///
/// Roughly equal to content size X - window size X.
#[doc(alias = "GetScrollMaxX")]
pub fn scroll_max_x(&self) -> f32 {
unsafe { sys::igGetScrollMaxX() }
}
/// Returns the maximum vertical scrolling position.
///
/// Roughly equal to content size Y - window size Y.
#[doc(alias = "GetScrollMaxY")]
pub fn scroll_max_y(&self) -> f32 {
unsafe { sys::igGetScrollMaxY() }
}
/// Sets the horizontal scrolling position
#[doc(alias = "SetScrollX")]
pub fn set_scroll_x(&self, scroll_x: f32) {
unsafe {
cfg_if::cfg_if! {
if #[cfg(feature = "docking")] {
sys::igSetScrollX_Float(scroll_x);
} else {
sys::igSetScrollX(scroll_x);
}
}
}
}
/// Sets the vertical scroll position
#[doc(alias = "SetScrollY")]
pub fn set_scroll_y(&self, scroll_y: f32) {
unsafe {
cfg_if::cfg_if! {
if #[cfg(feature = "docking")] {
sys::igSetScrollY_Float(scroll_y);
} else {
sys::igSetScrollY(scroll_y);
}
}
}
}
/// Adjusts the horizontal scroll position to make the current cursor position visible.
///
/// This is the same as [set_scroll_here_x_with_ratio](Self::set_scroll_here_x_with_ratio) but with `ratio` at 0.5.
#[doc(alias = "SetScrollHereX")]
pub fn set_scroll_here_x(&self) {
self.set_scroll_here_x_with_ratio(0.5);
}
/// Adjusts the horizontal scroll position to make the current cursor position visible.
///
/// center_x_ratio:
///
/// - `0.0`: left
/// - `0.5`: center
/// - `1.0`: right
#[doc(alias = "SetScrollHereX")]
pub fn set_scroll_here_x_with_ratio(&self, center_x_ratio: f32) {
unsafe { sys::igSetScrollHereX(center_x_ratio) };
}
/// Adjusts the vertical scroll position to make the current cursor position visible
///
/// This is the same as [set_scroll_here_y_with_ratio](Self::set_scroll_here_y_with_ratio) but with `ratio` at 0.5.
#[doc(alias = "SetScrollHereY")]
pub fn set_scroll_here_y(&self) {
self.set_scroll_here_y_with_ratio(0.5);
}
/// Adjusts the vertical scroll position to make the current cursor position visible.
///
/// center_y_ratio:
///
/// - `0.0`: top
/// - `0.5`: center
/// - `1.0`: bottom
#[doc(alias = "SetScrollHereY")]
pub fn set_scroll_here_y_with_ratio(&self, center_y_ratio: f32) {
unsafe { sys::igSetScrollHereY(center_y_ratio) };
}
#[doc(alias = "SetScrollFromPosX")]
/// Adjusts the horizontal scroll position to make the given position visible
///
/// This is the same as [set_scroll_from_pos_x_with_ratio](Self::set_scroll_from_pos_x_with_ratio)
/// but with `ratio` at 0.5.
pub fn set_scroll_from_pos_x(&self, local_x: f32) {
self.set_scroll_from_pos_x_with_ratio(local_x, 0.5);
}
/// Adjusts the horizontal scroll position to make the given position visible.
///
/// center_x_ratio:
///
/// - `0.0`: left
/// - `0.5`: center
/// - `1.0`: right
#[doc(alias = "SetScrollFromPosX")]
pub fn set_scroll_from_pos_x_with_ratio(&self, local_x: f32, center_x_ratio: f32) {
unsafe {
cfg_if::cfg_if! {
if #[cfg(feature = "docking")] {
sys::igSetScrollFromPosX_Float(local_x, center_x_ratio)
} else {
sys::igSetScrollFromPosX(local_x, center_x_ratio)
}
}
};
}
/// Adjusts the vertical scroll position to make the given position visible
///
/// This is the same as [set_scroll_from_pos_y_with_ratio](Self::set_scroll_from_pos_y_with_ratio)
/// but with `ratio` at 0.5.
#[doc(alias = "SetScrollFromPosY")]
pub fn set_scroll_from_pos_y(&self, local_y: f32) {
self.set_scroll_from_pos_y_with_ratio(local_y, 0.5);
}
/// Adjusts the vertical scroll position to make the given position visible.
///
/// center_y_ratio:
///
/// - `0.0`: top
/// - `0.5`: center
/// - `1.0`: bottom
#[doc(alias = "SetScrollFromPosY")]
pub fn set_scroll_from_pos_y_with_ratio(&self, local_y: f32, center_y_ratio: f32) {
unsafe {
cfg_if::cfg_if! {
if #[cfg(feature = "docking")] {
sys::igSetScrollFromPosY_Float(local_y, center_y_ratio);
} else {
sys::igSetScrollFromPosY(local_y, center_y_ratio);
}
}
}
}
}