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use core::mem;
use core::ptr;
use core::str;
use cstr_core::{CStr, CString};
use ndless::prelude::*;
pub mod ll {
#![allow(non_camel_case_types)]
use cty::{c_char as c_schar, c_int, uint8_t};
use crate::video::ll::SDL_Surface;
pub type SDL_GrabMode = c_int;
pub const SDL_GRAB_QUERY: SDL_GrabMode = -1;
pub const SDL_GRAB_OFF: SDL_GrabMode = 0;
pub const SDL_GRAB_ON: SDL_GrabMode = 1;
pub const SDL_GRAB_FULLSCREEN: SDL_GrabMode = 2;
extern "C" {
pub fn SDL_WM_SetCaption(title: *const c_schar, icon: *const c_schar);
pub fn SDL_WM_GetCaption(title: *mut *mut c_schar, icon: *mut *mut c_schar);
pub fn SDL_WM_SetIcon(icon: *mut SDL_Surface, mask: *mut uint8_t);
pub fn SDL_WM_IconifyWindow() -> c_int;
pub fn SDL_WM_ToggleFullScreen(surface: *mut SDL_Surface) -> c_int;
pub fn SDL_WM_GrabInput(mode: SDL_GrabMode) -> SDL_GrabMode;
}
}
#[derive(PartialEq, Eq, Copy, Clone)]
pub enum GrabMode {
Query = ll::SDL_GRAB_QUERY as isize,
Off = ll::SDL_GRAB_OFF as isize,
On = ll::SDL_GRAB_ON as isize,
}
pub fn set_caption(title: &str, icon: &str) {
unsafe {
ll::SDL_WM_SetCaption(
CString::new(title.as_bytes()).unwrap().as_ptr(),
CString::new(icon.as_bytes()).unwrap().as_ptr(),
);
}
}
pub fn get_caption() -> (String, String) {
let mut title_buf = ptr::null_mut();
let mut icon_buf = ptr::null_mut();
let mut title = String::new();
let mut icon = String::new();
unsafe {
ll::SDL_WM_GetCaption(&mut title_buf, &mut icon_buf);
if !title_buf.is_null() {
let slice = CStr::from_ptr(mem::transmute_copy(&title_buf)).to_bytes();
title = str::from_utf8(slice).unwrap().to_string();
}
if !icon_buf.is_null() {
let slice = CStr::from_ptr(mem::transmute_copy(&icon_buf)).to_bytes();
icon = str::from_utf8(slice).unwrap().to_string();
}
(title, icon)
}
}
pub fn set_icon(surface: crate::video::Surface) {
unsafe {
ll::SDL_WM_SetIcon(surface.raw, ptr::null_mut());
}
}
pub fn iconify_window() {
unsafe {
ll::SDL_WM_IconifyWindow();
}
}
pub fn toggle_fullscreen(surface: crate::video::Surface) {
unsafe {
ll::SDL_WM_ToggleFullScreen(surface.raw);
}
}
pub fn grab_input(mode: GrabMode) {
unsafe {
ll::SDL_WM_GrabInput(mode as i32);
}
}
pub fn toggle_grab_input() {
unsafe {
if ll::SDL_WM_GrabInput(GrabMode::Query as i32) == GrabMode::On as i32 {
ll::SDL_WM_GrabInput(GrabMode::Off as i32);
} else {
ll::SDL_WM_GrabInput(GrabMode::On as i32);
}
}
}
pub fn is_grabbing_input() -> bool {
unsafe { ll::SDL_WM_GrabInput(GrabMode::Query as i32) == GrabMode::On as i32 }
}