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/* ----------------------------------------------------------------------------------- * src/lib.rs - Root of the Porcupine library. * porcupine - Safe wrapper around the graphical parts of Win32. * Copyright © 2020 not_a_seagull * * This project is licensed under either the Apache 2.0 license or the MIT license, at * your option. For more information, please consult the LICENSE-APACHE or LICENSE-MIT * files in the repository root. * ----------------------------------------------------------------------------------- * MIT License: * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the “Software”), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * ----------------------------------------------------------------------------------- * Apache 2.0 License Declaration: * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ---------------------------------------------------------------------------------- */ #![cfg(windows)] #![no_std] //! This is intended to be a safe Rust wrapper around the Win32 API, with an emphasis on the graphical WinUser //! part of the API. #[cfg(not(feature = "std"))] extern crate alloc; #[cfg(feature = "std")] extern crate std; #[cfg(feature = "std")] extern crate std as core; #[cfg(feature = "std")] extern crate std as alloc; pub extern crate winapi; pub use winapi::{ shared::{ minwindef::{LPARAM, LRESULT, UINT, WPARAM}, windef::{HWND, HWND__}, }, um::winuser, }; pub mod bitmap; pub mod commctrl; pub mod dc; mod error; pub mod module; pub mod msg; pub mod window; pub use bitmap::*; pub use commctrl::*; pub use dc::*; pub use error::*; pub use module::*; pub use msg::*; pub use window::*; // which mutexes do we use? pub(crate) mod mutexes { #[cfg(feature = "std")] pub use parking_lot::*; #[cfg(not(feature = "std"))] pub use spin::*; } /// Utility function to convert Rust bool to Win32 BOOL #[inline] pub fn wboolify(rbool: bool) -> winapi::shared::minwindef::BOOL { use winapi::shared::minwindef::{FALSE, TRUE}; if rbool { TRUE } else { FALSE } } /// Utility function to convert a Euclid rect to a Windows rect. #[inline] pub fn eurect_to_winrect( eurect: euclid::default::Rect<cty::c_int>, ) -> winapi::shared::windef::RECT { winapi::shared::windef::RECT { left: eurect.origin.x, top: eurect.origin.y, right: eurect.origin.x + eurect.size.width, bottom: eurect.origin.y + eurect.size.height, } } use cty::c_int; use euclid::default::Point2D; use maybe_uninit::MaybeUninit; use winapi::shared::windef::POINT; /// Get the current location of the mouse cursor on screen. #[inline] pub fn cursor_pos() -> Result<Point2D<c_int>> { let mut point: MaybeUninit<POINT> = MaybeUninit::zeroed(); if unsafe { winuser::GetCursorPos(point.as_mut_ptr()) } == 0 { Err(win32_error(Win32Function::GetCursorPos)) } else { let point = unsafe { point.assume_init() }; Ok(Point2D::new(point.x.into(), point.y.into())) } } pub mod prelude { pub use super::GenericWindow; }