mirror of
https://github.com/italicsjenga/winit-sonoma-fix.git
synced 2024-10-19 08:21:33 +11:00
80 lines
2.1 KiB
Rust
80 lines
2.1 KiB
Rust
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use super::ffi;
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pub struct MonitorID {
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name: [ffi::WCHAR, ..32],
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readable_name: String,
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flags: ffi::DWORD,
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position: (uint, uint),
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}
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pub fn get_available_monitors() -> Vec<MonitorID> {
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use std::{iter, mem, ptr};
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let mut result = Vec::new();
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for id in iter::count(0u, 1) {
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let mut output: ffi::DISPLAY_DEVICEW = unsafe { mem::zeroed() };
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output.cb = mem::size_of::<ffi::DISPLAY_DEVICEW>() as ffi::DWORD;
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if unsafe { ffi::EnumDisplayDevicesW(ptr::null(), id as ffi::DWORD, &mut output, 0) } == 0 {
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break
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}
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if (output.StateFlags & ffi::DISPLAY_DEVICE_ACTIVE) == 0 ||
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(output.StateFlags & ffi::DISPLAY_DEVICE_MIRRORING_DRIVER) != 0
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{
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continue
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}
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let readable_name = String::from_utf16_lossy(output.DeviceString.as_slice());
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let readable_name = readable_name.as_slice().trim_right_chars(0 as char).to_string();
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let position = unsafe {
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let mut dev: ffi::DEVMODE = mem::zeroed();
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dev.dmSize = mem::size_of::<ffi::DEVMODE>() as ffi::WORD;
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if ffi::EnumDisplaySettingsExW(output.DeviceName.as_ptr(), ffi::ENUM_CURRENT_SETTINGS,
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&mut dev, 0) == 0
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{
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continue
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}
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let point: &ffi::POINTL = mem::transmute(&dev.union1);
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(point.x as uint, point.y as uint)
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};
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result.push(MonitorID {
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name: output.DeviceName,
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readable_name: readable_name,
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flags: output.StateFlags,
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position: position,
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});
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}
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result
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}
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pub fn get_primary_monitor() -> MonitorID {
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for monitor in get_available_monitors().move_iter() {
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if (monitor.flags & ffi::DISPLAY_DEVICE_PRIMARY_DEVICE) != 0 {
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return monitor
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}
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}
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fail!("Failed to find the primary monitor")
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}
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impl MonitorID {
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pub fn get_name(&self) -> Option<String> {
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Some(self.readable_name.clone())
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}
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pub fn get_system_name(&self) -> &[ffi::WCHAR] {
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self.name.as_slice()
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}
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pub fn get_position(&self) -> (uint, uint) {
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self.position
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}
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}
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