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// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT
use crate::IconTheme;
use crate::StyleContext;
use glib::object::IsA;
use glib::translate::*;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem;
use std::pin::Pin;
use std::ptr;
glib::wrapper! {
/// Contains information found when looking up an icon in
/// an icon theme.
///
/// # Implements
///
/// [`trait@glib::ObjectExt`]
#[doc(alias = "GtkIconInfo")]
pub struct IconInfo(Object<ffi::GtkIconInfo, ffi::GtkIconInfoClass>);
match fn {
type_ => || ffi::gtk_icon_info_get_type(),
}
}
impl IconInfo {
/// Creates a [`IconInfo`][crate::IconInfo] for a [`gdk_pixbuf::Pixbuf`][crate::gdk_pixbuf::Pixbuf].
/// ## `icon_theme`
/// a [`IconTheme`][crate::IconTheme]
/// ## `pixbuf`
/// the pixbuf to wrap in a [`IconInfo`][crate::IconInfo]
///
/// # Returns
///
/// a [`IconInfo`][crate::IconInfo]
#[doc(alias = "gtk_icon_info_new_for_pixbuf")]
#[doc(alias = "new_for_pixbuf")]
pub fn for_pixbuf(icon_theme: &impl IsA<IconTheme>, pixbuf: &gdk_pixbuf::Pixbuf) -> IconInfo {
skip_assert_initialized!();
unsafe {
from_glib_full(ffi::gtk_icon_info_new_for_pixbuf(
icon_theme.as_ref().to_glib_none().0,
pixbuf.to_glib_none().0,
))
}
}
/// Gets the base scale for the icon. The base scale is a scale
/// for the icon that was specified by the icon theme creator.
/// For instance an icon drawn for a high-dpi screen with window
/// scale 2 for a base size of 32 will be 64 pixels tall and have
/// a base scale of 2.
///
/// # Returns
///
/// the base scale
#[doc(alias = "gtk_icon_info_get_base_scale")]
#[doc(alias = "get_base_scale")]
pub fn base_scale(&self) -> i32 {
unsafe { ffi::gtk_icon_info_get_base_scale(self.to_glib_none().0) }
}
/// Gets the base size for the icon. The base size
/// is a size for the icon that was specified by
/// the icon theme creator. This may be different
/// than the actual size of image; an example of
/// this is small emblem icons that can be attached
/// to a larger icon. These icons will be given
/// the same base size as the larger icons to which
/// they are attached.
///
/// Note that for scaled icons the base size does
/// not include the base scale.
///
/// # Returns
///
/// the base size, or 0, if no base
/// size is known for the icon.
#[doc(alias = "gtk_icon_info_get_base_size")]
#[doc(alias = "get_base_size")]
pub fn base_size(&self) -> i32 {
unsafe { ffi::gtk_icon_info_get_base_size(self.to_glib_none().0) }
}
/// Gets the filename for the icon. If the [`IconLookupFlags::USE_BUILTIN`][crate::IconLookupFlags::USE_BUILTIN]
/// flag was passed to [`IconThemeExt::lookup_icon()`][crate::prelude::IconThemeExt::lookup_icon()], there may be no
/// filename if a builtin icon is returned; in this case, you should
/// use `gtk_icon_info_get_builtin_pixbuf()`.
///
/// # Returns
///
/// the filename for the icon, or [`None`]
/// if `gtk_icon_info_get_builtin_pixbuf()` should be used instead.
/// The return value is owned by GTK+ and should not be modified
/// or freed.
#[doc(alias = "gtk_icon_info_get_filename")]
#[doc(alias = "get_filename")]
pub fn filename(&self) -> Option<std::path::PathBuf> {
unsafe { from_glib_none(ffi::gtk_icon_info_get_filename(self.to_glib_none().0)) }
}
/// Checks if the icon is symbolic or not. This currently uses only
/// the file name and not the file contents for determining this.
/// This behaviour may change in the future.
///
/// # Returns
///
/// [`true`] if the icon is symbolic, [`false`] otherwise
#[doc(alias = "gtk_icon_info_is_symbolic")]
pub fn is_symbolic(&self) -> bool {
unsafe { from_glib(ffi::gtk_icon_info_is_symbolic(self.to_glib_none().0)) }
}
/// Renders an icon previously looked up in an icon theme using
/// [`IconThemeExt::lookup_icon()`][crate::prelude::IconThemeExt::lookup_icon()]; the size will be based on the size
/// passed to [`IconThemeExt::lookup_icon()`][crate::prelude::IconThemeExt::lookup_icon()]. Note that the resulting
/// pixbuf may not be exactly this size; an icon theme may have icons
/// that differ slightly from their nominal sizes, and in addition GTK+
/// will avoid scaling icons that it considers sufficiently close to the
/// requested size or for which the source image would have to be scaled
/// up too far. (This maintains sharpness.). This behaviour can be changed
/// by passing the [`IconLookupFlags::FORCE_SIZE`][crate::IconLookupFlags::FORCE_SIZE] flag when obtaining
/// the [`IconInfo`][crate::IconInfo]. If this flag has been specified, the pixbuf
/// returned by this function will be scaled to the exact size.
///
/// # Returns
///
/// the rendered icon; this may be a newly
/// created icon or a new reference to an internal icon, so you must
/// not modify the icon. Use `g_object_unref()` to release your reference
/// to the icon.
#[doc(alias = "gtk_icon_info_load_icon")]
pub fn load_icon(&self) -> Result<gdk_pixbuf::Pixbuf, glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::gtk_icon_info_load_icon(self.to_glib_none().0, &mut error);
if error.is_null() {
Ok(from_glib_full(ret))
} else {
Err(from_glib_full(error))
}
}
}
/// Asynchronously load, render and scale an icon previously looked up
/// from the icon theme using [`IconThemeExt::lookup_icon()`][crate::prelude::IconThemeExt::lookup_icon()].
///
/// For more details, see [`load_icon()`][Self::load_icon()] which is the synchronous
/// version of this call.
/// ## `cancellable`
/// optional [`gio::Cancellable`][crate::gio::Cancellable] object, [`None`] to ignore
/// ## `callback`
/// a `GAsyncReadyCallback` to call when the
/// request is satisfied
#[doc(alias = "gtk_icon_info_load_icon_async")]
pub fn load_icon_async<P: FnOnce(Result<gdk_pixbuf::Pixbuf, glib::Error>) + 'static>(
&self,
cancellable: Option<&impl IsA<gio::Cancellable>>,
callback: P,
) {
let main_context = glib::MainContext::ref_thread_default();
let is_main_context_owner = main_context.is_owner();
let has_acquired_main_context = (!is_main_context_owner)
.then(|| main_context.acquire().ok())
.flatten();
assert!(
is_main_context_owner || has_acquired_main_context.is_some(),
"Async operations only allowed if the thread is owning the MainContext"
);
let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::new(glib::thread_guard::ThreadGuard::new(callback));
unsafe extern "C" fn load_icon_async_trampoline<
P: FnOnce(Result<gdk_pixbuf::Pixbuf, glib::Error>) + 'static,
>(
_source_object: *mut glib::gobject_ffi::GObject,
res: *mut gio::ffi::GAsyncResult,
user_data: glib::ffi::gpointer,
) {
let mut error = ptr::null_mut();
let ret =
ffi::gtk_icon_info_load_icon_finish(_source_object as *mut _, res, &mut error);
let result = if error.is_null() {
Ok(from_glib_full(ret))
} else {
Err(from_glib_full(error))
};
let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::from_raw(user_data as *mut _);
let callback: P = callback.into_inner();
callback(result);
}
let callback = load_icon_async_trampoline::<P>;
unsafe {
ffi::gtk_icon_info_load_icon_async(
self.to_glib_none().0,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box_::into_raw(user_data) as *mut _,
);
}
}
pub fn load_icon_future(
&self,
) -> Pin<
Box_<dyn std::future::Future<Output = Result<gdk_pixbuf::Pixbuf, glib::Error>> + 'static>,
> {
Box_::pin(gio::GioFuture::new(self, move |obj, cancellable, send| {
obj.load_icon_async(Some(cancellable), move |res| {
send.resolve(res);
});
}))
}
/// Renders an icon previously looked up in an icon theme using
/// [`IconThemeExt::lookup_icon()`][crate::prelude::IconThemeExt::lookup_icon()]; the size will be based on the size
/// passed to [`IconThemeExt::lookup_icon()`][crate::prelude::IconThemeExt::lookup_icon()]. Note that the resulting
/// surface may not be exactly this size; an icon theme may have icons
/// that differ slightly from their nominal sizes, and in addition GTK+
/// will avoid scaling icons that it considers sufficiently close to the
/// requested size or for which the source image would have to be scaled
/// up too far. (This maintains sharpness.). This behaviour can be changed
/// by passing the [`IconLookupFlags::FORCE_SIZE`][crate::IconLookupFlags::FORCE_SIZE] flag when obtaining
/// the [`IconInfo`][crate::IconInfo]. If this flag has been specified, the pixbuf
/// returned by this function will be scaled to the exact size.
/// ## `for_window`
/// [`gdk::Window`][crate::gdk::Window] to optimize drawing for, or [`None`]
///
/// # Returns
///
/// the rendered icon; this may be a newly
/// created icon or a new reference to an internal icon, so you must
/// not modify the icon. Use `cairo_surface_destroy()` to release your
/// reference to the icon.
#[doc(alias = "gtk_icon_info_load_surface")]
pub fn load_surface(
&self,
for_window: Option<&gdk::Window>,
) -> Result<cairo::Surface, glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::gtk_icon_info_load_surface(
self.to_glib_none().0,
for_window.to_glib_none().0,
&mut error,
);
if error.is_null() {
Ok(from_glib_full(ret))
} else {
Err(from_glib_full(error))
}
}
}
/// Loads an icon, modifying it to match the system colours for the foreground,
/// success, warning and error colors provided. If the icon is not a symbolic
/// one, the function will return the result from [`load_icon()`][Self::load_icon()].
///
/// This allows loading symbolic icons that will match the system theme.
///
/// Unless you are implementing a widget, you will want to use
/// `g_themed_icon_new_with_default_fallbacks()` to load the icon.
///
/// As implementation details, the icon loaded needs to be of SVG type,
/// contain the “symbolic” term as the last component of the icon name,
/// and use the “fg”, “success”, “warning” and “error” CSS styles in the
/// SVG file itself.
///
/// See the [Symbolic Icons Specification](http://www.freedesktop.org/wiki/SymbolicIcons)
/// for more information about symbolic icons.
/// ## `fg`
/// a [`gdk::RGBA`][crate::gdk::RGBA] representing the foreground color of the icon
/// ## `success_color`
/// a [`gdk::RGBA`][crate::gdk::RGBA] representing the warning color
/// of the icon or [`None`] to use the default color
/// ## `warning_color`
/// a [`gdk::RGBA`][crate::gdk::RGBA] representing the warning color
/// of the icon or [`None`] to use the default color
/// ## `error_color`
/// a [`gdk::RGBA`][crate::gdk::RGBA] representing the error color
/// of the icon or [`None`] to use the default color (allow-none)
///
/// # Returns
///
/// a [`gdk_pixbuf::Pixbuf`][crate::gdk_pixbuf::Pixbuf] representing the loaded icon
///
/// ## `was_symbolic`
/// a `gboolean`, returns whether the
/// loaded icon was a symbolic one and whether the `fg` color was
/// applied to it.
#[doc(alias = "gtk_icon_info_load_symbolic")]
pub fn load_symbolic(
&self,
fg: &gdk::RGBA,
success_color: Option<&gdk::RGBA>,
warning_color: Option<&gdk::RGBA>,
error_color: Option<&gdk::RGBA>,
) -> Result<(gdk_pixbuf::Pixbuf, bool), glib::Error> {
unsafe {
let mut was_symbolic = mem::MaybeUninit::uninit();
let mut error = ptr::null_mut();
let ret = ffi::gtk_icon_info_load_symbolic(
self.to_glib_none().0,
fg.to_glib_none().0,
success_color.to_glib_none().0,
warning_color.to_glib_none().0,
error_color.to_glib_none().0,
was_symbolic.as_mut_ptr(),
&mut error,
);
if error.is_null() {
Ok((from_glib_full(ret), from_glib(was_symbolic.assume_init())))
} else {
Err(from_glib_full(error))
}
}
}
/// Asynchronously load, render and scale a symbolic icon previously looked up
/// from the icon theme using [`IconThemeExt::lookup_icon()`][crate::prelude::IconThemeExt::lookup_icon()].
///
/// For more details, see [`load_symbolic()`][Self::load_symbolic()] which is the synchronous
/// version of this call.
/// ## `fg`
/// a [`gdk::RGBA`][crate::gdk::RGBA] representing the foreground color of the icon
/// ## `success_color`
/// a [`gdk::RGBA`][crate::gdk::RGBA] representing the warning color
/// of the icon or [`None`] to use the default color
/// ## `warning_color`
/// a [`gdk::RGBA`][crate::gdk::RGBA] representing the warning color
/// of the icon or [`None`] to use the default color
/// ## `error_color`
/// a [`gdk::RGBA`][crate::gdk::RGBA] representing the error color
/// of the icon or [`None`] to use the default color (allow-none)
/// ## `cancellable`
/// optional [`gio::Cancellable`][crate::gio::Cancellable] object,
/// [`None`] to ignore
/// ## `callback`
/// a `GAsyncReadyCallback` to call when the
/// request is satisfied
#[doc(alias = "gtk_icon_info_load_symbolic_async")]
pub fn load_symbolic_async<
P: FnOnce(Result<(gdk_pixbuf::Pixbuf, bool), glib::Error>) + 'static,
>(
&self,
fg: &gdk::RGBA,
success_color: Option<&gdk::RGBA>,
warning_color: Option<&gdk::RGBA>,
error_color: Option<&gdk::RGBA>,
cancellable: Option<&impl IsA<gio::Cancellable>>,
callback: P,
) {
let main_context = glib::MainContext::ref_thread_default();
let is_main_context_owner = main_context.is_owner();
let has_acquired_main_context = (!is_main_context_owner)
.then(|| main_context.acquire().ok())
.flatten();
assert!(
is_main_context_owner || has_acquired_main_context.is_some(),
"Async operations only allowed if the thread is owning the MainContext"
);
let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::new(glib::thread_guard::ThreadGuard::new(callback));
unsafe extern "C" fn load_symbolic_async_trampoline<
P: FnOnce(Result<(gdk_pixbuf::Pixbuf, bool), glib::Error>) + 'static,
>(
_source_object: *mut glib::gobject_ffi::GObject,
res: *mut gio::ffi::GAsyncResult,
user_data: glib::ffi::gpointer,
) {
let mut error = ptr::null_mut();
let mut was_symbolic = mem::MaybeUninit::uninit();
let ret = ffi::gtk_icon_info_load_symbolic_finish(
_source_object as *mut _,
res,
was_symbolic.as_mut_ptr(),
&mut error,
);
let result = if error.is_null() {
Ok((from_glib_full(ret), from_glib(was_symbolic.assume_init())))
} else {
Err(from_glib_full(error))
};
let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::from_raw(user_data as *mut _);
let callback: P = callback.into_inner();
callback(result);
}
let callback = load_symbolic_async_trampoline::<P>;
unsafe {
ffi::gtk_icon_info_load_symbolic_async(
self.to_glib_none().0,
fg.to_glib_none().0,
success_color.to_glib_none().0,
warning_color.to_glib_none().0,
error_color.to_glib_none().0,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box_::into_raw(user_data) as *mut _,
);
}
}
pub fn load_symbolic_future(
&self,
fg: &gdk::RGBA,
success_color: Option<&gdk::RGBA>,
warning_color: Option<&gdk::RGBA>,
error_color: Option<&gdk::RGBA>,
) -> Pin<
Box_<
dyn std::future::Future<Output = Result<(gdk_pixbuf::Pixbuf, bool), glib::Error>>
+ 'static,
>,
> {
let fg = fg.clone();
let success_color = success_color.map(ToOwned::to_owned);
let warning_color = warning_color.map(ToOwned::to_owned);
let error_color = error_color.map(ToOwned::to_owned);
Box_::pin(gio::GioFuture::new(self, move |obj, cancellable, send| {
obj.load_symbolic_async(
&fg,
success_color.as_ref().map(::std::borrow::Borrow::borrow),
warning_color.as_ref().map(::std::borrow::Borrow::borrow),
error_color.as_ref().map(::std::borrow::Borrow::borrow),
Some(cancellable),
move |res| {
send.resolve(res);
},
);
}))
}
/// Loads an icon, modifying it to match the system colors for the foreground,
/// success, warning and error colors provided. If the icon is not a symbolic
/// one, the function will return the result from [`load_icon()`][Self::load_icon()].
/// This function uses the regular foreground color and the symbolic colors
/// with the names “success_color”, “warning_color” and “error_color” from
/// the context.
///
/// This allows loading symbolic icons that will match the system theme.
///
/// See [`load_symbolic()`][Self::load_symbolic()] for more details.
/// ## `context`
/// a [`StyleContext`][crate::StyleContext]
///
/// # Returns
///
/// a [`gdk_pixbuf::Pixbuf`][crate::gdk_pixbuf::Pixbuf] representing the loaded icon
///
/// ## `was_symbolic`
/// a `gboolean`, returns whether the
/// loaded icon was a symbolic one and whether the `fg` color was
/// applied to it.
#[doc(alias = "gtk_icon_info_load_symbolic_for_context")]
pub fn load_symbolic_for_context(
&self,
context: &impl IsA<StyleContext>,
) -> Result<(gdk_pixbuf::Pixbuf, bool), glib::Error> {
unsafe {
let mut was_symbolic = mem::MaybeUninit::uninit();
let mut error = ptr::null_mut();
let ret = ffi::gtk_icon_info_load_symbolic_for_context(
self.to_glib_none().0,
context.as_ref().to_glib_none().0,
was_symbolic.as_mut_ptr(),
&mut error,
);
if error.is_null() {
Ok((from_glib_full(ret), from_glib(was_symbolic.assume_init())))
} else {
Err(from_glib_full(error))
}
}
}
/// Asynchronously load, render and scale a symbolic icon previously
/// looked up from the icon theme using [`IconThemeExt::lookup_icon()`][crate::prelude::IconThemeExt::lookup_icon()].
///
/// For more details, see [`load_symbolic_for_context()`][Self::load_symbolic_for_context()]
/// which is the synchronous version of this call.
/// ## `context`
/// a [`StyleContext`][crate::StyleContext]
/// ## `cancellable`
/// optional [`gio::Cancellable`][crate::gio::Cancellable] object,
/// [`None`] to ignore
/// ## `callback`
/// a `GAsyncReadyCallback` to call when the
/// request is satisfied
#[doc(alias = "gtk_icon_info_load_symbolic_for_context_async")]
pub fn load_symbolic_for_context_async<
P: FnOnce(Result<(gdk_pixbuf::Pixbuf, bool), glib::Error>) + 'static,
>(
&self,
context: &impl IsA<StyleContext>,
cancellable: Option<&impl IsA<gio::Cancellable>>,
callback: P,
) {
let main_context = glib::MainContext::ref_thread_default();
let is_main_context_owner = main_context.is_owner();
let has_acquired_main_context = (!is_main_context_owner)
.then(|| main_context.acquire().ok())
.flatten();
assert!(
is_main_context_owner || has_acquired_main_context.is_some(),
"Async operations only allowed if the thread is owning the MainContext"
);
let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::new(glib::thread_guard::ThreadGuard::new(callback));
unsafe extern "C" fn load_symbolic_for_context_async_trampoline<
P: FnOnce(Result<(gdk_pixbuf::Pixbuf, bool), glib::Error>) + 'static,
>(
_source_object: *mut glib::gobject_ffi::GObject,
res: *mut gio::ffi::GAsyncResult,
user_data: glib::ffi::gpointer,
) {
let mut error = ptr::null_mut();
let mut was_symbolic = mem::MaybeUninit::uninit();
let ret = ffi::gtk_icon_info_load_symbolic_for_context_finish(
_source_object as *mut _,
res,
was_symbolic.as_mut_ptr(),
&mut error,
);
let result = if error.is_null() {
Ok((from_glib_full(ret), from_glib(was_symbolic.assume_init())))
} else {
Err(from_glib_full(error))
};
let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::from_raw(user_data as *mut _);
let callback: P = callback.into_inner();
callback(result);
}
let callback = load_symbolic_for_context_async_trampoline::<P>;
unsafe {
ffi::gtk_icon_info_load_symbolic_for_context_async(
self.to_glib_none().0,
context.as_ref().to_glib_none().0,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box_::into_raw(user_data) as *mut _,
);
}
}
pub fn load_symbolic_for_context_future(
&self,
context: &(impl IsA<StyleContext> + Clone + 'static),
) -> Pin<
Box_<
dyn std::future::Future<Output = Result<(gdk_pixbuf::Pixbuf, bool), glib::Error>>
+ 'static,
>,
> {
let context = context.clone();
Box_::pin(gio::GioFuture::new(self, move |obj, cancellable, send| {
obj.load_symbolic_for_context_async(&context, Some(cancellable), move |res| {
send.resolve(res);
});
}))
}
}
impl fmt::Display for IconInfo {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("IconInfo")
}
}