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use crate::subclass::prelude::*;
use crate::{ColorChooser, Orientation};
use gdk::RGBA;
use glib::translate::*;
use glib::Cast;
pub trait ColorChooserImpl: ObjectImpl {
fn add_palette(
&self,
color_chooser: &Self::Type,
orientation: Orientation,
colors_per_line: i32,
colors: &[RGBA],
) {
self.parent_add_palette(color_chooser, orientation, colors_per_line, colors);
}
fn color_activated(&self, color_chooser: &Self::Type, rgba: RGBA) {
self.parent_color_activated(color_chooser, rgba);
}
#[doc(alias = "get_rgba")]
fn rgba(&self, color_chooser: &Self::Type) -> RGBA;
fn set_rgba(&self, color_chooser: &Self::Type, rgba: RGBA);
}
pub trait ColorChooserImplExt: ObjectSubclass {
fn parent_add_palette(
&self,
color_chooser: &Self::Type,
orientation: Orientation,
colors_per_line: i32,
colors: &[RGBA],
);
fn parent_color_activated(&self, color_chooser: &Self::Type, rgba: RGBA);
fn parent_rgba(&self, color_chooser: &Self::Type) -> RGBA;
fn parent_set_rgba(&self, color_chooser: &Self::Type, rgba: RGBA);
}
impl<T: ColorChooserImpl> ColorChooserImplExt for T {
fn parent_add_palette(
&self,
color_chooser: &Self::Type,
orientation: Orientation,
colors_per_line: i32,
colors: &[RGBA],
) {
unsafe {
let type_data = Self::type_data();
let parent_iface = type_data.as_ref().parent_interface::<ColorChooser>()
as *const ffi::GtkColorChooserInterface;
if let Some(func) = (*parent_iface).add_palette {
let colors_ptr: Vec<gdk::ffi::GdkRGBA> =
colors.iter().map(|c| *c.to_glib_none().0).collect();
func(
color_chooser
.unsafe_cast_ref::<ColorChooser>()
.to_glib_none()
.0,
orientation.into_glib(),
colors_per_line,
colors.len() as i32,
mut_override(colors_ptr.as_ptr()),
)
}
}
}
fn parent_color_activated(&self, color_chooser: &Self::Type, rgba: RGBA) {
unsafe {
let type_data = Self::type_data();
let parent_iface = type_data.as_ref().parent_interface::<ColorChooser>()
as *const ffi::GtkColorChooserInterface;
if let Some(func) = (*parent_iface).color_activated {
func(
color_chooser
.unsafe_cast_ref::<ColorChooser>()
.to_glib_none()
.0,
rgba.to_glib_none().0,
)
}
}
}
fn parent_rgba(&self, color_chooser: &Self::Type) -> RGBA {
unsafe {
let type_data = Self::type_data();
let parent_iface = type_data.as_ref().parent_interface::<ColorChooser>()
as *const ffi::GtkColorChooserInterface;
let func = (*parent_iface)
.get_rgba
.expect("no parent \"get_rgba\" implementation");
let rgba = std::ptr::null_mut();
func(
color_chooser
.unsafe_cast_ref::<ColorChooser>()
.to_glib_none()
.0,
rgba,
);
from_glib_none(rgba)
}
}
fn parent_set_rgba(&self, color_chooser: &Self::Type, rgba: RGBA) {
unsafe {
let type_data = Self::type_data();
let parent_iface = type_data.as_ref().parent_interface::<ColorChooser>()
as *const ffi::GtkColorChooserInterface;
if let Some(func) = (*parent_iface).set_rgba {
func(
color_chooser
.unsafe_cast_ref::<ColorChooser>()
.to_glib_none()
.0,
rgba.to_glib_none().0,
)
}
}
}
}
unsafe impl<T: ColorChooserImpl> IsImplementable<T> for ColorChooser {
fn interface_init(iface: &mut glib::Interface<Self>) {
let iface = iface.as_mut();
assert!(
crate::rt::is_initialized(),
"GTK has to be initialized first"
);
iface.add_palette = Some(color_chooser_add_palette::<T>);
iface.color_activated = Some(color_chooser_color_activated::<T>);
iface.get_rgba = Some(color_chooser_get_rgba::<T>);
iface.set_rgba = Some(color_chooser_set_rgba::<T>);
}
}
unsafe extern "C" fn color_chooser_add_palette<T: ColorChooserImpl>(
color_chooser: *mut ffi::GtkColorChooser,
orientation: ffi::GtkOrientation,
colors_per_line: i32,
total: i32,
colorsptr: *mut gdk::ffi::GdkRGBA,
) {
let instance = &*(color_chooser as *mut T::Instance);
let imp = instance.imp();
let colors = if total == 0 {
&[]
} else {
std::slice::from_raw_parts(colorsptr as *const RGBA, total as usize)
};
imp.add_palette(
from_glib_borrow::<_, ColorChooser>(color_chooser).unsafe_cast_ref(),
from_glib(orientation),
colors_per_line,
colors,
);
}
unsafe extern "C" fn color_chooser_color_activated<T: ColorChooserImpl>(
color_chooser: *mut ffi::GtkColorChooser,
rgba: *const gdk::ffi::GdkRGBA,
) {
let instance = &*(color_chooser as *mut T::Instance);
let imp = instance.imp();
imp.color_activated(
from_glib_borrow::<_, ColorChooser>(color_chooser).unsafe_cast_ref(),
from_glib_none(rgba),
)
}
unsafe extern "C" fn color_chooser_get_rgba<T: ColorChooserImpl>(
color_chooser: *mut ffi::GtkColorChooser,
rgbaptr: *const gdk::ffi::GdkRGBA,
) {
let instance = &*(color_chooser as *mut T::Instance);
let imp = instance.imp();
let rgba = imp.rgba(from_glib_borrow::<_, ColorChooser>(color_chooser).unsafe_cast_ref());
*(rgbaptr as *mut gdk::ffi::GdkRGBA) = *rgba.to_glib_none().0;
}
unsafe extern "C" fn color_chooser_set_rgba<T: ColorChooserImpl>(
color_chooser: *mut ffi::GtkColorChooser,
rgba: *const gdk::ffi::GdkRGBA,
) {
let instance = &*(color_chooser as *mut T::Instance);
let imp = instance.imp();
imp.set_rgba(
from_glib_borrow::<_, ColorChooser>(color_chooser).unsafe_cast_ref(),
from_glib_none(rgba),
)
}