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use bitflags::bitflags;
use std::ops::{BitAnd, BitAndAssign, BitOrAssign, Not};
use crate::string::ImStr;
use crate::sys;
use crate::{Direction, Ui};
bitflags!(
#[repr(transparent)]
pub struct ButtonFlags: u32 {
const MOUSE_BUTTON_LEFT = sys::ImGuiButtonFlags_MouseButtonLeft;
const MOUSE_BUTTON_RIGHT = sys::ImGuiButtonFlags_MouseButtonRight;
const MOUSE_BUTTON_MIDDLE = sys::ImGuiButtonFlags_MouseButtonMiddle;
}
);
impl<'ui> Ui<'ui> {
pub fn button(&self, label: &ImStr, size: [f32; 2]) -> bool {
unsafe { sys::igButton(label.as_ptr(), size.into()) }
}
pub fn small_button(&self, label: &ImStr) -> bool {
unsafe { sys::igSmallButton(label.as_ptr()) }
}
pub fn invisible_button(&self, id: &ImStr, size: [f32; 2]) -> bool {
unsafe { sys::igInvisibleButton(id.as_ptr(), size.into(), 0) }
}
pub fn invisible_button_flags(&self, id: &ImStr, size: [f32; 2], flags: ButtonFlags) -> bool {
unsafe { sys::igInvisibleButton(id.as_ptr(), size.into(), flags.bits() as i32) }
}
pub fn arrow_button(&self, id: &ImStr, direction: Direction) -> bool {
unsafe { sys::igArrowButton(id.as_ptr(), direction as i32) }
}
pub fn checkbox(&self, label: &ImStr, value: &mut bool) -> bool {
unsafe { sys::igCheckbox(label.as_ptr(), value as *mut bool) }
}
pub fn checkbox_flags<T>(&self, label: &ImStr, flags: &mut T, mask: T) -> bool
where
T: Copy + PartialEq + BitOrAssign + BitAndAssign + BitAnd<Output = T> + Not<Output = T>,
{
let mut value = *flags & mask == mask;
let pressed = self.checkbox(label, &mut value);
if pressed {
if value {
*flags |= mask;
} else {
*flags &= !mask;
}
}
pressed
}
pub fn radio_button_bool(&self, label: &ImStr, active: bool) -> bool {
unsafe { sys::igRadioButtonBool(label.as_ptr(), active) }
}
pub fn radio_button<T>(&self, label: &ImStr, value: &mut T, button_value: T) -> bool
where
T: Copy + PartialEq,
{
let pressed = self.radio_button_bool(label, *value == button_value);
if pressed {
*value = button_value;
}
pressed
}
pub fn bullet(&self) {
unsafe { sys::igBullet() };
}
}