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[host] windows: declare high DPI support in manifest

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This is the normal way of doing things, and it's easier and less sketchy
than GetProcAddress.
This commit is contained in:
Quantum 2021-07-19 19:26:59 -04:00 committed by Geoffrey McRae
parent 0525515bee
commit f0c7e9bdfa
2 changed files with 8 additions and 13 deletions
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8
host/platform/Windows/app.manifest
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3">
<assemblyIdentity version="1.0.0.0" processorArchitecture="X86" name="HostFission.LookingGlass.Host" type="win32"/>
<description>Looking Glass (host)</description>
<trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
@ -9,4 +9,10 @@
</requestedPrivileges>
</security>
</trustInfo>
<asmv3:application>
<asmv3:windowsSettings>
<dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true</dpiAware>
<dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
</asmv3:windowsSettings>
</asmv3:application>
</assembly>

13
host/platform/Windows/src/platform.c
View File

@ -400,18 +400,6 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
// setup a handler for ctrl+c
SetConsoleCtrlHandler(CtrlHandler, TRUE);
// enable high DPI awareness
// this is required for DXGI 1.5 support to function and also capturing desktops with high DPI
DECLARE_HANDLE(DPI_AWARENESS_CONTEXT);
#define DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 ((DPI_AWARENESS_CONTEXT)-4)
typedef BOOL (*User32_SetProcessDpiAwarenessContext)(DPI_AWARENESS_CONTEXT value);
HMODULE user32 = GetModuleHandle("user32.dll");
User32_SetProcessDpiAwarenessContext fn;
fn = (User32_SetProcessDpiAwarenessContext)GetProcAddress(user32, "SetProcessDpiAwarenessContext");
if (fn)
fn(DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2);
// create a message window so that our message pump works
WNDCLASSEX wx = {};
wx.cbSize = sizeof(WNDCLASSEX);
@ -437,6 +425,7 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
app.exitThreadEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
// this is needed so that unprivileged processes can send us this message
HMODULE user32 = GetModuleHandle("user32.dll");
_ChangeWindowMessageFilterEx = (PChangeWindowMessageFilterEx)GetProcAddress(user32, "ChangeWindowMessageFilterEx");
if (_ChangeWindowMessageFilterEx)
_ChangeWindowMessageFilterEx(app.messageWnd, app.trayRestartMsg, MSGFLT_ALLOW, NULL);