use libc::{c_char, c_int};
use std::mem;
use crate::subclass::prelude::*;
use crate::{CellEditable, CellRenderer, CellRendererState, SizeRequestMode, Snapshot, Widget};
use glib::object::IsA;
use glib::translate::*;
use glib::{Cast, GString};
#[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
pub trait CellRendererImpl: CellRendererImplExt + ObjectImpl {
fn activate<P: IsA<Widget>>(
&self,
event: Option<&gdk::Event>,
widget: &P,
path: &str,
background_area: &gdk::Rectangle,
cell_area: &gdk::Rectangle,
flags: CellRendererState,
) -> bool {
self.parent_activate(event, widget, path, background_area, cell_area, flags)
}
fn editing_canceled(&self) {
self.parent_editing_canceled()
}
fn editing_started(&self, editable: &CellEditable, path: &str) {
self.parent_editing_started(editable, path)
}
#[doc(alias = "get_aligned_area")]
fn aligned_area<P: IsA<Widget>>(
&self,
widget: &P,
flags: CellRendererState,
cell_area: &gdk::Rectangle,
) -> gdk::Rectangle {
self.parent_aligned_area(widget, flags, cell_area)
}
#[doc(alias = "get_preferred_height_for_width")]
fn preferred_height_for_width<P: IsA<Widget>>(&self, widget: &P, width: i32) -> (i32, i32) {
self.parent_preferred_height_for_width(widget, width)
}
#[doc(alias = "get_preferred_height")]
fn preferred_height<P: IsA<Widget>>(&self, widget: &P) -> (i32, i32) {
self.parent_preferred_height(widget)
}
#[doc(alias = "get_preferred_width_for_height")]
fn preferred_width_for_height<P: IsA<Widget>>(&self, widget: &P, height: i32) -> (i32, i32) {
self.parent_preferred_width_for_height(widget, height)
}
#[doc(alias = "get_preferred_width")]
fn preferred_width<P: IsA<Widget>>(&self, widget: &P) -> (i32, i32) {
self.parent_preferred_width(widget)
}
#[doc(alias = "get_request_mode")]
fn request_mode(&self) -> SizeRequestMode {
self.parent_request_mode()
}
fn snapshot<P: IsA<Widget>>(
&self,
snapshot: &Snapshot,
widget: &P,
background_area: &gdk::Rectangle,
cell_area: &gdk::Rectangle,
flags: CellRendererState,
) {
self.parent_snapshot(snapshot, widget, background_area, cell_area, flags);
}
fn start_editing<P: IsA<Widget>>(
&self,
event: Option<&gdk::Event>,
widget: &P,
path: &str,
background_area: &gdk::Rectangle,
cell_area: &gdk::Rectangle,
flags: CellRendererState,
) -> Option<CellEditable> {
self.parent_start_editing(event, widget, path, background_area, cell_area, flags)
}
}
#[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
pub trait CellRendererImplExt: ObjectSubclass {
fn parent_activate<P: IsA<Widget>>(
&self,
event: Option<&gdk::Event>,
widget: &P,
path: &str,
background_area: &gdk::Rectangle,
cell_area: &gdk::Rectangle,
flags: CellRendererState,
) -> bool;
fn parent_editing_canceled(&self);
fn parent_editing_started(&self, editable: &CellEditable, path: &str);
fn parent_aligned_area<P: IsA<Widget>>(
&self,
widget: &P,
flags: CellRendererState,
cell_area: &gdk::Rectangle,
) -> gdk::Rectangle;
fn parent_preferred_height_for_width<P: IsA<Widget>>(
&self,
widget: &P,
width: i32,
) -> (i32, i32);
fn parent_preferred_height<P: IsA<Widget>>(&self, widget: &P) -> (i32, i32);
fn parent_preferred_width_for_height<P: IsA<Widget>>(
&self,
widget: &P,
height: i32,
) -> (i32, i32);
fn parent_preferred_width<P: IsA<Widget>>(&self, widget: &P) -> (i32, i32);
fn parent_request_mode(&self) -> SizeRequestMode;
fn parent_snapshot<P: IsA<Widget>>(
&self,
snapshot: &Snapshot,
widget: &P,
background_area: &gdk::Rectangle,
cell_area: &gdk::Rectangle,
flags: CellRendererState,
);
fn parent_start_editing<P: IsA<Widget>>(
&self,
event: Option<&gdk::Event>,
widget: &P,
path: &str,
background_area: &gdk::Rectangle,
cell_area: &gdk::Rectangle,
flags: CellRendererState,
) -> Option<CellEditable>;
}
impl<T: CellRendererImpl> CellRendererImplExt for T {
fn parent_request_mode(&self) -> SizeRequestMode {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkCellRendererClass;
let f = (*parent_class).get_request_mode.unwrap();
from_glib(f(self
.obj()
.unsafe_cast_ref::<CellRenderer>()
.to_glib_none()
.0))
}
}
fn parent_preferred_width<P: IsA<Widget>>(&self, widget: &P) -> (i32, i32) {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkCellRendererClass;
let f = (*parent_class).get_preferred_width.unwrap();
let mut minimum_size = mem::MaybeUninit::uninit();
let mut natural_size = mem::MaybeUninit::uninit();
f(
self.obj()
.unsafe_cast_ref::<CellRenderer>()
.to_glib_none()
.0,
widget.as_ref().to_glib_none().0,
minimum_size.as_mut_ptr(),
natural_size.as_mut_ptr(),
);
(minimum_size.assume_init(), natural_size.assume_init())
}
}
fn parent_preferred_width_for_height<P: IsA<Widget>>(
&self,
widget: &P,
height: i32,
) -> (i32, i32) {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkCellRendererClass;
let f = (*parent_class).get_preferred_width_for_height.unwrap();
let mut minimum_size = mem::MaybeUninit::uninit();
let mut natural_size = mem::MaybeUninit::uninit();
f(
self.obj()
.unsafe_cast_ref::<CellRenderer>()
.to_glib_none()
.0,
widget.as_ref().to_glib_none().0,
height,
minimum_size.as_mut_ptr(),
natural_size.as_mut_ptr(),
);
(minimum_size.assume_init(), natural_size.assume_init())
}
}
fn parent_preferred_height<P: IsA<Widget>>(&self, widget: &P) -> (i32, i32) {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkCellRendererClass;
let f = (*parent_class).get_preferred_height.unwrap();
let mut minimum_size = mem::MaybeUninit::uninit();
let mut natural_size = mem::MaybeUninit::uninit();
f(
self.obj()
.unsafe_cast_ref::<CellRenderer>()
.to_glib_none()
.0,
widget.as_ref().to_glib_none().0,
minimum_size.as_mut_ptr(),
natural_size.as_mut_ptr(),
);
(minimum_size.assume_init(), natural_size.assume_init())
}
}
fn parent_preferred_height_for_width<P: IsA<Widget>>(
&self,
widget: &P,
width: i32,
) -> (i32, i32) {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkCellRendererClass;
let f = (*parent_class).get_preferred_height_for_width.unwrap();
let mut minimum_size = mem::MaybeUninit::uninit();
let mut natural_size = mem::MaybeUninit::uninit();
f(
self.obj()
.unsafe_cast_ref::<CellRenderer>()
.to_glib_none()
.0,
widget.as_ref().to_glib_none().0,
width,
minimum_size.as_mut_ptr(),
natural_size.as_mut_ptr(),
);
(minimum_size.assume_init(), natural_size.assume_init())
}
}
fn parent_aligned_area<P: IsA<Widget>>(
&self,
widget: &P,
flags: CellRendererState,
cell_area: &gdk::Rectangle,
) -> gdk::Rectangle {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkCellRendererClass;
let mut aligned_area = gdk::Rectangle::uninitialized();
let f = (*parent_class).get_aligned_area.unwrap();
f(
self.obj()
.unsafe_cast_ref::<CellRenderer>()
.to_glib_none()
.0,
widget.as_ref().to_glib_none().0,
flags.into_glib(),
cell_area.to_glib_none().0,
aligned_area.to_glib_none_mut().0,
);
aligned_area
}
}
fn parent_snapshot<P: IsA<Widget>>(
&self,
snapshot: &Snapshot,
widget: &P,
background_area: &gdk::Rectangle,
cell_area: &gdk::Rectangle,
flags: CellRendererState,
) {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkCellRendererClass;
if let Some(f) = (*parent_class).snapshot {
f(
self.obj()
.unsafe_cast_ref::<CellRenderer>()
.to_glib_none()
.0,
snapshot.to_glib_none().0,
widget.as_ref().to_glib_none().0,
background_area.to_glib_none().0,
cell_area.to_glib_none().0,
flags.into_glib(),
)
}
}
}
fn parent_activate<P: IsA<Widget>>(
&self,
event: Option<&gdk::Event>,
widget: &P,
path: &str,
background_area: &gdk::Rectangle,
cell_area: &gdk::Rectangle,
flags: CellRendererState,
) -> bool {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkCellRendererClass;
if let Some(f) = (*parent_class).activate {
from_glib(f(
self.obj()
.unsafe_cast_ref::<CellRenderer>()
.to_glib_none()
.0,
mut_override(event.to_glib_none().0),
widget.as_ref().to_glib_none().0,
path.to_glib_none().0,
background_area.to_glib_none().0,
cell_area.to_glib_none().0,
flags.into_glib(),
))
} else {
false
}
}
}
fn parent_start_editing<P: IsA<Widget>>(
&self,
event: Option<&gdk::Event>,
widget: &P,
path: &str,
background_area: &gdk::Rectangle,
cell_area: &gdk::Rectangle,
flags: CellRendererState,
) -> Option<CellEditable> {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkCellRendererClass;
if let Some(f) = (*parent_class).start_editing {
from_glib_none(f(
self.obj()
.unsafe_cast_ref::<CellRenderer>()
.to_glib_none()
.0,
mut_override(event.to_glib_none().0),
widget.as_ref().to_glib_none().0,
path.to_glib_none().0,
background_area.to_glib_none().0,
cell_area.to_glib_none().0,
flags.into_glib(),
))
} else {
None
}
}
}
fn parent_editing_canceled(&self) {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkCellRendererClass;
if let Some(f) = (*parent_class).editing_canceled {
f(self
.obj()
.unsafe_cast_ref::<CellRenderer>()
.to_glib_none()
.0)
}
}
}
fn parent_editing_started(&self, editable: &CellEditable, path: &str) {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkCellRendererClass;
if let Some(f) = (*parent_class).editing_started {
f(
self.obj()
.unsafe_cast_ref::<CellRenderer>()
.to_glib_none()
.0,
editable.to_glib_none().0,
path.to_glib_none().0,
)
}
}
}
}
unsafe impl<T: CellRendererImpl> IsSubclassable<T> for CellRenderer {
fn class_init(class: &mut ::glib::Class<Self>) {
Self::parent_class_init::<T>(class);
assert!(
crate::rt::is_initialized(),
"GTK has to be initialized first"
);
let klass = class.as_mut();
klass.activate = Some(cell_renderer_activate::<T>);
klass.editing_canceled = Some(cell_renderer_editing_canceled::<T>);
klass.editing_started = Some(cell_renderer_editing_started::<T>);
klass.get_aligned_area = Some(cell_renderer_get_aligned_area::<T>);
klass.get_preferred_height_for_width =
Some(cell_renderer_get_preferred_height_for_width::<T>);
klass.get_preferred_height = Some(cell_renderer_get_preferred_height::<T>);
klass.get_preferred_width_for_height =
Some(cell_renderer_get_preferred_width_for_height::<T>);
klass.get_preferred_width = Some(cell_renderer_get_preferred_width::<T>);
klass.get_request_mode = Some(cell_renderer_get_request_mode::<T>);
klass.snapshot = Some(cell_renderer_snapshot::<T>);
klass.start_editing = Some(cell_renderer_start_editing::<T>);
}
}
unsafe extern "C" fn cell_renderer_activate<T: CellRendererImpl>(
ptr: *mut ffi::GtkCellRenderer,
evtptr: *mut gdk::ffi::GdkEvent,
wdgtptr: *mut ffi::GtkWidget,
pathptr: *const c_char,
bgptr: *const gdk::ffi::GdkRectangle,
cellptr: *const gdk::ffi::GdkRectangle,
flags: ffi::GtkCellRendererState,
) -> glib::ffi::gboolean {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
let widget: Borrowed<Widget> = from_glib_borrow(wdgtptr);
let evt: Borrowed<Option<gdk::Event>> = from_glib_borrow(evtptr);
imp.activate(
evt.as_ref().as_ref(),
&*widget,
&GString::from_glib_borrow(pathptr),
&from_glib_borrow(bgptr),
&from_glib_borrow(cellptr),
from_glib(flags),
)
.into_glib()
}
unsafe extern "C" fn cell_renderer_editing_canceled<T: CellRendererImpl>(
ptr: *mut ffi::GtkCellRenderer,
) {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
imp.editing_canceled();
}
unsafe extern "C" fn cell_renderer_editing_started<T: CellRendererImpl>(
ptr: *mut ffi::GtkCellRenderer,
editableptr: *mut ffi::GtkCellEditable,
pathptr: *const c_char,
) {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
let editable = from_glib_borrow(editableptr);
imp.editing_started(&editable, &GString::from_glib_borrow(pathptr));
}
unsafe extern "C" fn cell_renderer_get_aligned_area<T: CellRendererImpl>(
ptr: *mut ffi::GtkCellRenderer,
wdgtptr: *mut ffi::GtkWidget,
flags: ffi::GtkCellRendererState,
cellarea: *const gdk::ffi::GdkRectangle,
alignedptr: *mut gdk::ffi::GdkRectangle,
) {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
let widget: Borrowed<Widget> = from_glib_borrow(wdgtptr);
let rectangle = imp.aligned_area(&*widget, from_glib(flags), &from_glib_borrow(cellarea));
*alignedptr = *rectangle.to_glib_none().0;
}
unsafe extern "C" fn cell_renderer_get_preferred_height_for_width<T: CellRendererImpl>(
ptr: *mut ffi::GtkCellRenderer,
wdgtptr: *mut ffi::GtkWidget,
width: c_int,
min_height_ptr: *mut c_int,
nat_height_ptr: *mut c_int,
) {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
let widget: Borrowed<Widget> = from_glib_borrow(wdgtptr);
let (min_height, nat_height) = imp.preferred_height_for_width(&*widget, width);
if !min_height_ptr.is_null() {
*min_height_ptr = min_height;
}
if !nat_height_ptr.is_null() {
*nat_height_ptr = nat_height;
}
}
unsafe extern "C" fn cell_renderer_get_preferred_height<T: CellRendererImpl>(
ptr: *mut ffi::GtkCellRenderer,
wdgtptr: *mut ffi::GtkWidget,
minptr: *mut c_int,
natptr: *mut c_int,
) {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
let widget: Borrowed<Widget> = from_glib_borrow(wdgtptr);
let (min_size, nat_size) = imp.preferred_height(&*widget);
if !minptr.is_null() {
*minptr = min_size;
}
if !natptr.is_null() {
*natptr = nat_size;
}
}
unsafe extern "C" fn cell_renderer_get_preferred_width_for_height<T: CellRendererImpl>(
ptr: *mut ffi::GtkCellRenderer,
wdgtptr: *mut ffi::GtkWidget,
height: c_int,
min_width_ptr: *mut c_int,
nat_width_ptr: *mut c_int,
) {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
let widget: Borrowed<Widget> = from_glib_borrow(wdgtptr);
let (min_width, nat_width) = imp.preferred_width_for_height(&*widget, height);
if !min_width_ptr.is_null() {
*min_width_ptr = min_width;
}
if !nat_width_ptr.is_null() {
*nat_width_ptr = nat_width;
}
}
unsafe extern "C" fn cell_renderer_get_preferred_width<T: CellRendererImpl>(
ptr: *mut ffi::GtkCellRenderer,
wdgtptr: *mut ffi::GtkWidget,
minptr: *mut c_int,
natptr: *mut c_int,
) {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
let widget: Borrowed<Widget> = from_glib_borrow(wdgtptr);
let (min_size, nat_size) = imp.preferred_width(&*widget);
if !minptr.is_null() {
*minptr = min_size;
}
if !natptr.is_null() {
*natptr = nat_size;
}
}
unsafe extern "C" fn cell_renderer_get_request_mode<T: CellRendererImpl>(
ptr: *mut ffi::GtkCellRenderer,
) -> ffi::GtkSizeRequestMode {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
imp.request_mode().into_glib()
}
unsafe extern "C" fn cell_renderer_snapshot<T: CellRendererImpl>(
ptr: *mut ffi::GtkCellRenderer,
snapshotptr: *mut ffi::GtkSnapshot,
wdgtptr: *mut ffi::GtkWidget,
bgptr: *const gdk::ffi::GdkRectangle,
cellptr: *const gdk::ffi::GdkRectangle,
flags: ffi::GtkCellRendererState,
) {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
let widget: Borrowed<Widget> = from_glib_borrow(wdgtptr);
let snapshot: Borrowed<Snapshot> = from_glib_borrow(snapshotptr);
imp.snapshot(
&snapshot,
&*widget,
&from_glib_borrow(bgptr),
&from_glib_borrow(cellptr),
from_glib(flags),
);
}
unsafe extern "C" fn cell_renderer_start_editing<T: CellRendererImpl>(
ptr: *mut ffi::GtkCellRenderer,
evtptr: *mut gdk::ffi::GdkEvent,
wdgtptr: *mut ffi::GtkWidget,
pathptr: *const c_char,
bgptr: *const gdk::ffi::GdkRectangle,
cellptr: *const gdk::ffi::GdkRectangle,
flags: ffi::GtkCellRendererState,
) -> *mut ffi::GtkCellEditable {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
let widget: Borrowed<Widget> = from_glib_borrow(wdgtptr);
let evt: Borrowed<Option<gdk::Event>> = from_glib_borrow(evtptr);
imp.start_editing(
evt.as_ref().as_ref(),
&*widget,
&GString::from_glib_borrow(pathptr),
&from_glib_borrow(bgptr),
&from_glib_borrow(cellptr),
from_glib(flags),
)
.to_glib_none()
.0
}