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use std::marker::PhantomData;
use std::ptr;
use sys;
use super::{ImGuiCond, ImGuiStyleVar, ImGuiWindowFlags, ImStr, ImVec2, Ui};
#[must_use]
pub struct Window<'ui, 'p> {
pos: (f32, f32),
pos_cond: ImGuiCond,
size: (f32, f32),
size_cond: ImGuiCond,
name: &'p ImStr,
opened: Option<&'p mut bool>,
flags: ImGuiWindowFlags,
border: bool,
_phantom: PhantomData<&'ui Ui<'ui>>,
}
impl<'ui, 'p> Window<'ui, 'p> {
pub fn new(_: &Ui<'ui>, name: &'p ImStr) -> Window<'ui, 'p> {
Window {
pos: (0.0, 0.0),
pos_cond: ImGuiCond::empty(),
size: (0.0, 0.0),
size_cond: ImGuiCond::empty(),
name,
opened: None,
flags: ImGuiWindowFlags::empty(),
border: false,
_phantom: PhantomData,
}
}
#[inline]
pub fn position(mut self, pos: (f32, f32), cond: ImGuiCond) -> Self {
self.pos = pos;
self.pos_cond = cond;
self
}
#[inline]
pub fn size(mut self, size: (f32, f32), cond: ImGuiCond) -> Self {
self.size = size;
self.size_cond = cond;
self
}
#[inline]
pub fn opened(mut self, opened: &'p mut bool) -> Self {
self.opened = Some(opened);
self
}
#[inline]
pub fn flags(mut self, flags: ImGuiWindowFlags) -> Self {
self.flags = flags;
self
}
#[inline]
pub fn title_bar(mut self, value: bool) -> Self {
self.flags.set(ImGuiWindowFlags::NoTitleBar, !value);
self
}
#[inline]
pub fn resizable(mut self, value: bool) -> Self {
self.flags.set(ImGuiWindowFlags::NoResize, !value);
self
}
#[inline]
pub fn movable(mut self, value: bool) -> Self {
self.flags.set(ImGuiWindowFlags::NoMove, !value);
self
}
#[inline]
pub fn scroll_bar(mut self, value: bool) -> Self {
self.flags.set(ImGuiWindowFlags::NoScrollbar, !value);
self
}
#[inline]
pub fn scrollable(mut self, value: bool) -> Self {
self.flags.set(ImGuiWindowFlags::NoScrollWithMouse, !value);
self
}
#[inline]
pub fn collapsible(mut self, value: bool) -> Self {
self.flags.set(ImGuiWindowFlags::NoCollapse, !value);
self
}
#[inline]
pub fn always_auto_resize(mut self, value: bool) -> Self {
self.flags.set(ImGuiWindowFlags::AlwaysAutoResize, value);
self
}
#[inline]
#[deprecated(since = "0.0.19", note = "please use StyleVar instead")]
pub fn show_borders(mut self, value: bool) -> Self {
self.border = value;
self
}
#[inline]
pub fn save_settings(mut self, value: bool) -> Self {
self.flags.set(ImGuiWindowFlags::NoSavedSettings, !value);
self
}
#[inline]
pub fn inputs(mut self, value: bool) -> Self {
self.flags.set(ImGuiWindowFlags::NoInputs, !value);
self
}
#[inline]
pub fn menu_bar(mut self, value: bool) -> Self {
self.flags.set(ImGuiWindowFlags::MenuBar, value);
self
}
#[inline]
pub fn horizontal_scrollbar(mut self, value: bool) -> Self {
self.flags.set(ImGuiWindowFlags::HorizontalScrollbar, value);
self
}
#[inline]
pub fn no_focus_on_appearing(mut self, value: bool) -> Self {
self.flags.set(ImGuiWindowFlags::NoFocusOnAppearing, value);
self
}
#[inline]
pub fn no_bring_to_front_on_focus(mut self, value: bool) -> Self {
self.flags
.set(ImGuiWindowFlags::NoBringToFrontOnFocus, value);
self
}
#[inline]
pub fn always_vertical_scrollbar(mut self, value: bool) -> Self {
self.flags
.set(ImGuiWindowFlags::AlwaysVerticalScrollbar, value);
self
}
#[inline]
pub fn always_horizontal_scrollbar(mut self, value: bool) -> Self {
self.flags
.set(ImGuiWindowFlags::AlwaysHorizontalScrollbar, value);
self
}
#[inline]
pub fn always_use_window_padding(mut self, value: bool) -> Self {
self.flags
.set(ImGuiWindowFlags::AlwaysUseWindowPadding, value);
self
}
pub fn build<F: FnOnce()>(self, f: F) {
let render = unsafe {
if !self.pos_cond.is_empty() {
sys::igSetNextWindowPos(self.pos.into(), self.pos_cond, ImVec2::zero());
}
if !self.size_cond.is_empty() {
sys::igSetNextWindowSize(self.size.into(), self.size_cond);
}
if self.border {
sys::igPushStyleVar(ImGuiStyleVar::WindowBorderSize, 1.0);
}
sys::igBegin(
self.name.as_ptr(),
self.opened
.map(|x| x as *mut bool)
.unwrap_or(ptr::null_mut()),
self.flags,
)
};
if render {
f();
}
unsafe {
sys::igEnd();
if self.border {
sys::igPopStyleVar(1);
}
};
}
}