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file_chooser_dialog.rs
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// Copyright 2013-2016, The Gtk-rs Project Developers.
// See the COPYRIGHT file at the top-level directory of this distribution.
// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
use glib::object::{Cast, IsA};
use glib::translate::*;
use gtk_sys;
use libc::c_char;
use std::ptr;
use FileChooserAction;
use FileChooserDialog;
use ResponseType;
use Widget;
use Window;
impl FileChooserDialog {
// TODO: Keep the other constructor with buttons support as the only constructor (this one was
// left for compatibility) and rename it to `new` for consistency.
pub fn new<T: IsA<Window>>(
title: Option<&str>,
parent: Option<&T>,
action: FileChooserAction,
) -> FileChooserDialog {
assert_initialized_main_thread!();
unsafe {
Widget::from_glib_none(gtk_sys::gtk_file_chooser_dialog_new(
title.to_glib_none().0,
parent.map(|p| p.as_ref()).to_glib_none().0,
action.to_glib(),
ptr::null::<c_char>(),
))
.unsafe_cast()
}
}
pub fn with_buttons<T: IsA<Window>>(
title: Option<&str>,
parent: Option<&T>,
action: FileChooserAction,
buttons: &[(&str, ResponseType)],
) -> FileChooserDialog {
assert_initialized_main_thread!();
unsafe {
Widget::from_glib_none(match buttons.len() {
0 => {
gtk_sys::gtk_file_chooser_dialog_new(
title.to_glib_none().0,
parent.map(|p| p.as_ref()).to_glib_none().0,
action.to_glib(),
ptr::null::<c_char>()
)
},
1 => {
gtk_sys::gtk_file_chooser_dialog_new(
title.to_glib_none().0,
parent.map(|p| p.as_ref()).to_glib_none().0,
action.to_glib(),
buttons[0].0.to_glib_none().0,
buttons[0].1.to_glib(),
ptr::null::<c_char>(),
)
},
2 => {
gtk_sys::gtk_file_chooser_dialog_new(
title.to_glib_none().0,
parent.map(|p| p.as_ref()).to_glib_none().0,
action.to_glib(),
buttons[0].0.to_glib_none().0,
buttons[0].1.to_glib(),
(buttons[1].0.to_glib_none() as Stash<*const c_char, str>).0,
buttons[1].1.to_glib(),
ptr::null::<c_char>(),
)
},
3 => {
gtk_sys::gtk_file_chooser_dialog_new(
title.to_glib_none().0,
parent.map(|p| p.as_ref()).to_glib_none().0,
action.to_glib(),
buttons[0].0.to_glib_none().0,
buttons[0].1.to_glib(),
(buttons[1].0.to_glib_none() as Stash<*const c_char, str>).0,
buttons[1].1.to_glib(),
(buttons[2].0.to_glib_none() as Stash<*const c_char, str>).0,
buttons[2].1.to_glib(),
ptr::null::<c_char>(),
)
},
_ => {
// TODO: Support arbitrary number of buttons once variadic functions are supported.
// See: https://github.com/rust-lang/rust/issues/44930
panic!(format!("`FileChooserDialog::with_buttons` does not support 4+ buttons, received {}", buttons.len()))
}
}).unsafe_cast()
}
}
}