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#[doc(hidden)]
#[macro_export]
/// Implements MenuExt
macro_rules! impl_menu_ext {
($name: ident, $flname: ident) => {
impl IntoIterator for $name {
type Item = MenuItem;
type IntoIter = std::vec::IntoIter<Self::Item>;
fn into_iter(self) -> Self::IntoIter {
let mut v: Vec<MenuItem> = vec![];
for i in 0..self.size() {
v.push(self.at(i).unwrap());
}
v.into_iter()
}
}
paste::paste! {
unsafe impl MenuExt for $name {
fn add<F: FnMut(&mut Self) + 'static>(
&mut self,
name: &str,
shortcut: $crate::enums::Shortcut,
flag: MenuFlag,
cb: F,
) -> i32 {
let temp = CString::safe_new(name);
unsafe {
unsafe extern "C" fn shim(wid: *mut Fl_Widget, data: *mut std::os::raw::c_void) {
let mut wid = $crate::widget::Widget::from_widget_ptr(wid as *mut _);
let a: *mut Box<dyn FnMut(&mut $crate::widget::Widget)> =
data as *mut Box<dyn FnMut(&mut $crate::widget::Widget)>;
let f: &mut (dyn FnMut(&mut $crate::widget::Widget)) = &mut **a;
let _ =
std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| f(&mut wid)));
}
let a: *mut Box<dyn FnMut(&mut Self)> = Box::into_raw(Box::new(Box::new(cb)));
let data: *mut std::os::raw::c_void = a as *mut std::os::raw::c_void;
let callback: Fl_Callback = Some(shim);
[<$flname _add>](
self.inner.widget() as _,
temp.as_ptr(),
shortcut.bits() as i32,
callback,
data,
flag.bits(),
)
}
}
fn insert<F: FnMut(&mut Self) + 'static>(
&mut self,
idx: i32,
name: &str,
shortcut: $crate::enums::Shortcut,
flag: MenuFlag,
cb: F,
) -> i32 {
let idx = if idx < self.size() && idx >= 0 {
idx
} else {
if self.size() == 0 {
0
} else {
self.size() - 1
}
};
let temp = CString::safe_new(name);
unsafe {
unsafe extern "C" fn shim(wid: *mut Fl_Widget, data: *mut std::os::raw::c_void) {
let mut wid = $crate::widget::Widget::from_widget_ptr(wid as *mut _);
let a: *mut Box<dyn FnMut(&mut $crate::widget::Widget)> =
data as *mut Box<dyn FnMut(&mut $crate::widget::Widget)>;
let f: &mut (dyn FnMut(&mut $crate::widget::Widget)) = &mut **a;
let _ =
std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| f(&mut wid)));
}
let a: *mut Box<dyn FnMut(&mut Self)> = Box::into_raw(Box::new(Box::new(cb)));
let data: *mut std::os::raw::c_void = a as *mut std::os::raw::c_void;
let callback: Fl_Callback = Some(shim);
[<$flname _insert>](
self.inner.widget() as _,
idx as i32,
temp.as_ptr(),
shortcut.bits() as i32,
callback,
data,
flag.bits(),
)
}
}
fn add_emit<T: 'static + Clone + Send + Sync>(
&mut self,
label: &str,
shortcut: $crate::enums::Shortcut,
flag: $crate::menu::MenuFlag,
sender: $crate::app::Sender<T>,
msg: T,
) -> i32 {
self.add(label, shortcut, flag, move |_| sender.send(msg.clone()))
}
fn insert_emit<T: 'static + Clone + Send + Sync>(
&mut self,
idx: i32,
label: &str,
shortcut: $crate::enums::Shortcut,
flag: $crate::menu::MenuFlag,
sender: $crate::app::Sender<T>,
msg: T,
) -> i32 {
self.insert(idx, label, shortcut, flag, move |_| {
sender.send(msg.clone())
})
}
fn remove(&mut self, idx: i32) {
assert!(self.size() != 0 && idx >= 0 && idx < self.size());
unsafe { [<$flname _remove>](self.inner.widget() as _, idx as i32) }
}
fn find_item(&self, name: &str) -> Option<MenuItem> {
let name = CString::safe_new(name);
unsafe {
let menu_item = [<$flname _get_item>](self.inner.widget() as _, name.as_ptr());
if menu_item.is_null() {
None
} else {
Some(MenuItem::from_ptr(
menu_item
))
}
}
}
fn set_item(&mut self, item: &MenuItem) -> bool {
unsafe {
[<$flname _set_item>](self.inner.widget() as _, item.as_ptr()) != 0
}
}
fn find_index(&self, label: &str) -> i32 {
let label = CString::safe_new(label);
unsafe { [<$flname _find_index>](self.inner.widget() as _, label.as_ptr()) as i32 }
}
fn text_font(&self) -> $crate::enums::Font {
unsafe {
std::mem::transmute([<$flname _text_font>](self.inner.widget() as _))
}
}
fn set_text_font(&mut self, c: $crate::enums::Font) {
unsafe {
[<$flname _set_text_font>](self.inner.widget() as _, c.bits() as i32)
}
}
fn text_size(&self) -> i32 {
unsafe {
[<$flname _text_size>](self.inner.widget() as _) as i32
}
}
fn set_text_size(&mut self, c: i32) {
unsafe {
[<$flname _set_text_size>](self.inner.widget() as _, c as i32)
}
}
fn text_color(&self) -> $crate::enums::Color {
unsafe {
std::mem::transmute([<$flname _text_color>](self.inner.widget() as _))
}
}
fn set_text_color(&mut self, c: $crate::enums::Color) {
unsafe {
[<$flname _set_text_color>](self.inner.widget() as _, c.bits() as u32)
}
}
fn add_choice(&mut self, text: &str) -> i32 {
unsafe {
let arg2 = CString::safe_new(text);
[<$flname _add_choice>](
self.inner.widget() as _,
arg2.as_ptr() as *mut std::os::raw::c_char,
)
}
}
fn choice(&self) -> Option<String> {
unsafe {
let choice_ptr = [<$flname _get_choice>](self.inner.widget() as _);
if choice_ptr.is_null() {
None
} else {
Some(
CStr::from_ptr(choice_ptr as *mut std::os::raw::c_char)
.to_string_lossy()
.to_string(),
)
}
}
}
fn value(&self) -> i32 {
unsafe {
[<$flname _value>](self.inner.widget() as _)
}
}
fn set_value(&mut self, v: i32) -> bool {
unsafe {
[<$flname _set_value>](self.inner.widget() as _, v) != 0
}
}
fn clear(&mut self) {
unsafe {
if $crate::app::grab().is_none() {
[<$flname _clear>](self.inner.widget() as _);
}
}
}
unsafe fn unsafe_clear(&mut self) {
let sz = self.size();
if sz > 0 {
for i in 0..sz {
// Shouldn't fail
let c = self.at(i).unwrap();
let _ = c.user_data();
}
}
[<$flname _clear>](self.inner.widget() as _);
}
fn clear_submenu(&mut self, idx: i32) -> Result<(), FltkError> {
unsafe {
assert!(self.size() != 0 && idx >= 0 && idx < self.size());
match [<$flname _clear_submenu>](self.inner.widget() as _, idx as i32) {
0 => Ok(()),
_ => Err(FltkError::Internal(FltkErrorKind::FailedOperation)),
}
}
}
unsafe fn unsafe_clear_submenu(&mut self, idx: i32) -> Result<(), FltkError> {
let x = self.at(idx);
if x.is_none() {
return Err(FltkError::Internal(FltkErrorKind::FailedOperation));
}
// Shouldn't fail
let x = x.unwrap();
if !x.is_submenu() {
return Err(FltkError::Internal(FltkErrorKind::FailedOperation));
}
let mut i = idx;
loop {
// Shouldn't fail
let item = self.at(i).unwrap();
if item.label().is_none() {
break;
}
let _ = item.user_data();
i += 1;
}
match [<$flname _clear_submenu>](self.inner.widget() as _, idx as i32) {
0 => Ok(()),
_ => Err(FltkError::Internal(FltkErrorKind::FailedOperation)),
}
}
fn size(&self) -> i32 {
unsafe { [<$flname _size>](self.inner.widget() as _) as i32 }
}
fn text(&self, idx: i32) -> Option<String> {
assert!(self.size() != 0 && idx >= 0 && idx < self.size());
unsafe {
let text = [<$flname _text>](self.inner.widget() as _, idx as i32);
if text.is_null() {
None
} else {
Some(
CStr::from_ptr(text as *mut std::os::raw::c_char)
.to_string_lossy()
.to_string(),
)
}
}
}
fn at(&self, idx: i32) -> Option<$crate::menu::MenuItem> {
assert!(self.size() != 0 && idx >= 0 && idx < self.size());
unsafe {
let ptr =
[<$flname _at>](self.inner.widget() as _, idx as i32) as *mut Fl_Menu_Item;
if ptr.is_null() {
None
} else {
Some(MenuItem::from_ptr(ptr))
}
}
}
fn mode(&self, idx: i32) -> $crate::menu::MenuFlag {
assert!(self.size() != 0 && idx >= 0 && idx < self.size());
unsafe { std::mem::transmute([<$flname _mode>](self.inner.widget() as _, idx as i32)) }
}
fn set_mode(&mut self, idx: i32, flag: $crate::menu::MenuFlag) {
assert!(self.size() != 0 && idx >= 0 && idx < self.size());
unsafe { [<$flname _set_mode>](self.inner.widget() as _, idx as i32, flag.bits()) }
}
fn end(&mut self) {
//
}
fn set_down_frame(&mut self, f: $crate::enums::FrameType) {
unsafe { [<$flname _set_down_box>](self.inner.widget() as _, f.as_i32()) }
}
fn down_frame(&self) -> $crate::enums::FrameType {
unsafe { $crate::enums::FrameType::from_i32([<$flname _down_box>](self.inner.widget() as _)) }
}
fn global(&mut self) {
unsafe { [<$flname _global>](self.inner.widget() as _) }
}
fn menu(&self) -> Option<$crate::menu::MenuItem> {
unsafe {
let ptr = [<$flname _menu>](self.inner.widget() as _);
if ptr.is_null() {
None
} else {
Some(MenuItem::from_ptr(ptr as _))
}
}
}
unsafe fn set_menu(&mut self, item: $crate::menu::MenuItem) {
[<$flname _set_menu>](self.inner.widget() as _, item.as_ptr())
}
fn item_pathname(&self, item: Option<&$crate::menu::MenuItem>) -> Result<String, FltkError> {
let item = if let Some(item) = item {
unsafe { item.as_ptr() }
} else {
std::ptr::null_mut()
};
let mut temp = vec![0u8; 256];
unsafe {
let ret = [<$flname _item_pathname>](self.inner.widget() as _, temp.as_mut_ptr() as _, 256, item);
if ret == 0 {
if let Some(pos) = temp.iter().position(|x| *x == 0) {
temp = temp.split_at(pos).0.to_vec();
}
Ok(String::from_utf8_lossy(&temp).to_string())
} else {
Err(FltkError::Internal(FltkErrorKind::FailedOperation))
}
}
}
fn set_menu_frame(&mut self, f: $crate::enums::FrameType) {
unsafe { [<$flname _set_menu_box>](self.inner.widget() as _, f.as_i32()) }
}
fn menu_frame(&self) -> $crate::enums::FrameType {
unsafe { $crate::enums::FrameType::from_i32([<$flname _menu_box>](self.inner.widget() as _)) }
}
fn mvalue(&self) -> Option<$crate::menu::MenuItem> {
unsafe {
let ptr =
[<$flname _mvalue>](self.inner.widget() as _) as *mut Fl_Menu_Item;
if ptr.is_null() {
None
} else {
Some(MenuItem::from_ptr(ptr))
}
}
}
fn prev_mvalue(&self) -> Option<$crate::menu::MenuItem> {
unsafe {
let ptr =
[<$flname _prev_mvalue>](self.inner.widget() as _) as *mut Fl_Menu_Item;
if ptr.is_null() {
None
} else {
Some(MenuItem::from_ptr(ptr))
}
}
}
}
}
};
}
pub use impl_menu_ext;