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X11+Windows: Guess initial DPI factor (#583)

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* X11: Guess initial DPI factor

* Windows: Guess initial DPI factor
This commit is contained in:
Francesca Frangipane 2018-07-01 11:01:46 -04:00 • committed by GitHub
parent 85ee422acd
commit 2f7321a076
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GPG key ID: 4AEE18F83AFDEB23
13 changed files with 183 additions and 82 deletions
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13
src/platform/windows/monitor.rs
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@ -1,5 +1,6 @@
use winapi::shared::minwindef::{BOOL, DWORD, LPARAM, TRUE};
use winapi::shared::windef::{HDC, HMONITOR, HWND, LPRECT, POINT};
use winapi::um::winnt::LONG;
use winapi::um::winuser;
use std::{mem, ptr};
@ -49,7 +50,7 @@ unsafe extern "system" fn monitor_enum_proc(
TRUE // continue enumeration
}
fn get_available_monitors() -> VecDeque<MonitorId> {
pub fn get_available_monitors() -> VecDeque<MonitorId> {
let mut monitors: VecDeque<MonitorId> = VecDeque::new();
unsafe {
winuser::EnumDisplayMonitors(
@ -62,7 +63,7 @@ fn get_available_monitors() -> VecDeque<MonitorId> {
monitors
}
fn get_primary_monitor() -> MonitorId {
pub fn get_primary_monitor() -> MonitorId {
const ORIGIN: POINT = POINT { x: 0, y: 0 };
let hmonitor = unsafe {
winuser::MonitorFromPoint(ORIGIN, winuser::MONITOR_DEFAULTTOPRIMARY)
@ -132,6 +133,14 @@ impl MonitorId {
}
}
pub(crate) fn contains_point(&self, point: &POINT) -> bool {
let left = self.position.0 as LONG;
let right = left + self.dimensions.0 as LONG;
let top = self.position.1 as LONG;
let bottom = top + self.dimensions.1 as LONG;
point.x >= left && point.x <= right && point.y >= top && point.y <= bottom
}
#[inline]
pub fn get_name(&self) -> Option<String> {
Some(self.monitor_name.clone())