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use std::ptr;
use libc::{c_char, c_int};
use cairo::{self, Surface};
use gdk_pixbuf;
use glib::object::IsA;
use glib::translate::*;
use ffi;
use Cursor;
use Visual;
use Window;
use {
WindowHints,
WindowType,
WindowTypeHint,
WindowWindowClass,
};
pub struct WindowAttr {
pub title: Option<String>,
pub event_mask: i32,
pub x: Option<i32>,
pub y: Option<i32>,
pub width: i32,
pub height: i32,
pub wclass: WindowWindowClass,
pub visual: Option<Visual>,
pub window_type: WindowType,
pub cursor: Option<Cursor>,
pub override_redirect: bool,
pub type_hint: Option<WindowTypeHint>,
}
impl Default for WindowAttr {
fn default() -> WindowAttr {
skip_assert_initialized!();
WindowAttr {
title: None,
event_mask: 0,
x: None,
y: None,
width: 400,
height: 300,
wclass: WindowWindowClass::InputOutput,
visual: None,
window_type: WindowType::Toplevel,
cursor: None,
override_redirect: false,
type_hint: None,
}
}
}
impl WindowAttr {
fn get_mask(&self) -> u32 {
let mut mask = ffi::GdkWindowAttributesType::empty();
if self.title.is_some() { mask.insert(ffi::GDK_WA_TITLE); }
if self.x.is_some() { mask.insert(ffi::GDK_WA_X); }
if self.y.is_some() { mask.insert(ffi::GDK_WA_Y); }
if self.cursor.is_some() { mask.insert(ffi::GDK_WA_CURSOR); }
if self.visual.is_some() { mask.insert(ffi::GDK_WA_VISUAL); }
if self.override_redirect { mask.insert(ffi::GDK_WA_NOREDIR); }
if self.type_hint.is_some() { mask.insert(ffi::GDK_WA_TYPE_HINT); }
mask.bits()
}
}
#[cfg_attr(feature = "cargo-clippy", allow(type_complexity))]
impl<'a> ToGlibPtr<'a, *mut ffi::GdkWindowAttr> for WindowAttr {
type Storage = (
Box<ffi::GdkWindowAttr>,
Stash<'a, *mut ffi::GdkVisual, Option<Visual>>,
Stash<'a, *mut ffi::GdkCursor, Option<Cursor>>,
Stash<'a, *const c_char, Option<String>>,
);
fn to_glib_none(&'a self) -> Stash<'a, *mut ffi::GdkWindowAttr, Self> {
let title = self.title.to_glib_none();
let visual = self.visual.to_glib_none();
let cursor = self.cursor.to_glib_none();
let mut attrs = Box::new(ffi::GdkWindowAttr {
title: title.0 as *mut c_char,
event_mask: self.event_mask,
x: self.x.unwrap_or(0),
y: self.y.unwrap_or(0),
width: self.width,
height: self.height,
wclass: self.wclass.to_glib(),
visual: visual.0,
window_type: self.window_type.to_glib(),
cursor: cursor.0,
wmclass_name: ptr::null_mut(),
wmclass_class: ptr::null_mut(),
override_redirect: self.override_redirect.to_glib(),
type_hint: self.type_hint.unwrap_or(WindowTypeHint::Normal).to_glib(),
});
Stash(&mut *attrs, (attrs, visual, cursor, title))
}
}
impl Window {
pub fn new(parent: Option<&Window>, attributes: &WindowAttr) -> Window {
assert_initialized_main_thread!();
unsafe {
from_glib_full(ffi::gdk_window_new(
parent.to_glib_none().0,
attributes.to_glib_none().0,
attributes.get_mask() as c_int))
}
}
pub fn create_similar_surface(&self, content: cairo::Content, width: i32, height: i32) -> Option<Surface> {
unsafe {
from_glib_full(ffi::gdk_window_create_similar_surface(self.to_glib_none().0, content, width, height))
}
}
}
pub trait WindowExtManual {
unsafe fn set_user_data<T>(&self, user_data: &mut T);
#[cfg_attr(feature = "cargo-clippy", allow(mut_from_ref))]
unsafe fn get_user_data<T>(&self) -> &mut T;
fn set_geometry_hints(&self, geometry: &ffi::GdkGeometry, geom_mask: WindowHints);
fn get_default_root_window() -> Window;
fn offscreen_window_set_embedder(&self, embedder: &Window);
fn offscreen_window_get_embedder(&self) -> Option<Window>;
fn offscreen_window_get_surface(&self) -> Option<Surface>;
fn get_pixbuf(&self, src_x: i32, src_y: i32, width: i32, height: i32) -> Option<gdk_pixbuf::Pixbuf>;
}
impl<O: IsA<Window>> WindowExtManual for O {
unsafe fn set_user_data<T>(&self, user_data: &mut T) {
ffi::gdk_window_set_user_data(self.to_glib_none().0, user_data as *mut T as *mut _)
}
unsafe fn get_user_data<T>(&self) -> &mut T {
let mut pointer = ::std::ptr::null_mut();
ffi::gdk_window_get_user_data(self.to_glib_none().0, &mut pointer);
&mut *(pointer as *mut T)
}
fn set_geometry_hints(&self, geometry: &ffi::GdkGeometry, geom_mask: WindowHints) {
unsafe { ffi::gdk_window_set_geometry_hints(self.to_glib_none().0, geometry, geom_mask.to_glib()) }
}
fn get_default_root_window() -> Window {
assert_initialized_main_thread!();
unsafe { from_glib_none(ffi::gdk_get_default_root_window()) }
}
fn offscreen_window_set_embedder(&self, embedder: &Window) {
unsafe {
ffi::gdk_offscreen_window_set_embedder(self.to_glib_none().0, embedder.to_glib_none().0)
}
}
fn offscreen_window_get_embedder(&self) -> Option<Window> {
unsafe { from_glib_none(ffi::gdk_offscreen_window_get_embedder(self.to_glib_none().0)) }
}
fn offscreen_window_get_surface(&self) -> Option<Surface> {
skip_assert_initialized!();
unsafe {
from_glib_none(ffi::gdk_offscreen_window_get_surface(self.to_glib_none().0))
}
}
fn get_pixbuf(&self, src_x: i32, src_y: i32, width: i32, height: i32) -> Option<gdk_pixbuf::Pixbuf> {
skip_assert_initialized!();
unsafe {
from_glib_full(ffi::gdk_pixbuf_get_from_window(self.to_glib_none().0, src_x, src_y, width, height))
}
}
}