From 2fe350edffcdfbb35392f8df4e679f81d1f5e579 Mon Sep 17 00:00:00 2001
From: LGUG2Z <jadeiqbal@fastmail.com>
Date: Sat, 23 Jul 2022 10:46:46 -0700
Subject: [PATCH] feat(dpi): default to per monitor v2

This commit ensures that the process starts with
DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 set by default.

https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-setprocessdpiawarenesscontext

re #187
---
 komorebi/Cargo.toml         | 5 +++--
 komorebi/src/main.rs        | 1 +
 komorebi/src/windows_api.rs | 8 ++++++++
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/komorebi/Cargo.toml b/komorebi/Cargo.toml
index 7fccaccd..cdb26820 100644
--- a/komorebi/Cargo.toml
+++ b/komorebi/Cargo.toml
@@ -48,9 +48,10 @@ features = [
     "Win32_Graphics_Gdi",
     "Win32_System_Threading",
     "Win32_System_RemoteDesktop",
-    "Win32_UI_Input_KeyboardAndMouse",
     "Win32_UI_Accessibility",
-    "Win32_UI_WindowsAndMessaging"
+    "Win32_UI_HiDpi",
+    "Win32_UI_Input_KeyboardAndMouse",
+    "Win32_UI_WindowsAndMessaging",
 ]
 
 [features]
diff --git a/komorebi/src/main.rs b/komorebi/src/main.rs
index 81f6d5e0..9697aadc 100644
--- a/komorebi/src/main.rs
+++ b/komorebi/src/main.rs
@@ -407,6 +407,7 @@ fn main() -> Result<()> {
 
         let process_id = WindowsApi::current_process_id();
         WindowsApi::allow_set_foreground_window(process_id)?;
+        WindowsApi::set_process_dpi_awareness_context()?;
 
         let (outgoing, incoming): (Sender<WindowManagerEvent>, Receiver<WindowManagerEvent>) =
             crossbeam_channel::unbounded();
diff --git a/komorebi/src/windows_api.rs b/komorebi/src/windows_api.rs
index ed25da39..ae5ecbd1 100644
--- a/komorebi/src/windows_api.rs
+++ b/komorebi/src/windows_api.rs
@@ -38,6 +38,8 @@ use windows::Win32::System::Threading::QueryFullProcessImageNameW;
 use windows::Win32::System::Threading::PROCESS_ACCESS_RIGHTS;
 use windows::Win32::System::Threading::PROCESS_NAME_WIN32;
 use windows::Win32::System::Threading::PROCESS_QUERY_INFORMATION;
+use windows::Win32::UI::HiDpi::SetProcessDpiAwarenessContext;
+use windows::Win32::UI::HiDpi::DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2;
 use windows::Win32::UI::Input::KeyboardAndMouse::SetFocus;
 use windows::Win32::UI::WindowsAndMessaging::AllowSetForegroundWindow;
 use windows::Win32::UI::WindowsAndMessaging::EnumWindows;
@@ -565,6 +567,12 @@ impl WindowsApi {
         ))
     }
 
+    pub fn set_process_dpi_awareness_context() -> Result<()> {
+        unsafe { SetProcessDpiAwarenessContext(DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2) }
+            .ok()
+            .process()
+    }
+
     #[allow(dead_code)]
     pub fn system_parameters_info_w(
         action: SYSTEM_PARAMETERS_INFO_ACTION,