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use std::any::Any;
use crate::decl::*;
use crate::gui::{*, privs::*};
use crate::prelude::*;
/// Keeps a raw or dialog window.
#[derive(Clone)]
enum RawDlg { Raw(RawModal), Dlg(DlgModal) }
//------------------------------------------------------------------------------
/// An user modal window, which can handle events. Can be programmatically
/// created or load a dialog resource from a `.res` file.
#[derive(Clone)]
pub struct WindowModal(RawDlg);
unsafe impl Send for WindowModal {}
impl AsRef<Base> for WindowModal {
fn as_ref(&self) -> &Base {
match &self.0 {
RawDlg::Raw(r) => r.base(),
RawDlg::Dlg(d) => d.base(),
}
}
}
impl GuiWindow for WindowModal {
fn hwnd(&self) -> &HWND {
self.as_ref().hwnd()
}
fn as_any(&self) -> &dyn Any {
self
}
}
impl GuiWindowText for WindowModal {}
impl GuiParent for WindowModal {}
impl GuiParentPopup for WindowModal {}
impl WindowModal {
/// Instantiates a new `WindowModal` object, to be created internally with
/// [`HWND::CreateWindowEx`](crate::prelude::user_Hwnd::CreateWindowEx).
#[must_use]
pub fn new(parent: &impl GuiParent, opts: WindowModalOpts) -> Self {
Self(
RawDlg::Raw(
RawModal::new(parent, opts),
),
)
}
/// Instantiates a new `WindowModal` object, to be loaded from a dialog
/// resource with
/// [`HINSTANCE::DialogBoxParam`](crate::prelude::user_Hinstance::DialogBoxParam).
#[must_use]
pub fn new_dlg(parent: &impl GuiParent, dialog_id: u16) -> Self {
Self(
RawDlg::Dlg(
DlgModal::new(parent, dialog_id),
),
)
}
/// Physically creates the window, then runs the modal loop. This method
/// will block until the window is closed.
///
/// For a modal created with
/// [`WindowModal::new`](crate::gui::WindowModal::new), the returned `i32`
/// is always zero.
///
/// For a modal created with
/// [`WindowModal::new_dlg`](crate::gui::WindowModal::new_dlg), the returned
/// `i32` is the value passed to
/// [`HWND::EndDialog`](crate::prelude::user_Hwnd::EndDialog). Note that, if
/// the user clicks the "X" to close the modal, the default behavior is to
/// call `EndDialog(0)`. To override this behavior, handle the
/// modal's [`wm_close`](crate::gui::events::WindowEvents::wm_close)
/// yourself.
///
/// # Panics
///
/// Panics if the window is already created.
pub fn show_modal(&self) -> AnyResult<i32> {
match &self.0 {
RawDlg::Raw(r) => r.show_modal(),
RawDlg::Dlg(d) => d.show_modal(),
}
}
}