Mirrors/ScreenPlay
Mirrors/ScreenPlay
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WIP: Fix window scaling

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We now query ms api and not eyeball it
This commit is contained in:
Elias Steurer 2023-07-10 16:09:28 +02:00
parent 12314cafde
commit 646733bb2c
1 changed files with 49 additions and 2 deletions
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51
ScreenPlayWallpaper/src/winwindow.cpp
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@ -6,6 +6,47 @@
#include <algorithm>
#include <iostream>
#include <vector>
#include <windows.h>
#include <shellscalingapi.h>
float getMonitorScaleFactor(int monitorIndex) {
// Get all monitors
int monitorCount = GetSystemMetrics(SM_CMONITORS);
if(monitorIndex < 0 || monitorIndex >= monitorCount) {
// Invalid monitor index
return 1.0f;
}
DISPLAY_DEVICE displayDevice;
ZeroMemory(&displayDevice, sizeof(displayDevice));
displayDevice.cb = sizeof(displayDevice);
// Enumerate through monitors until we find the one we're looking for
for(int i = 0; EnumDisplayDevices(NULL, i, &displayDevice, 0); i++) {
if(i == monitorIndex) {
DEVMODE devMode;
ZeroMemory(&devMode, sizeof(devMode));
devMode.dmSize = sizeof(devMode);
// Get settings for selected monitor
if(!EnumDisplaySettings(displayDevice.DeviceName, ENUM_CURRENT_SETTINGS, &devMode)) {
// Unable to get monitor settings
return 1.0f;
}
// Get DPI for selected monitor
HMONITOR hMonitor = MonitorFromPoint({devMode.dmPosition.x, devMode.dmPosition.y}, MONITOR_DEFAULTTONEAREST);
UINT dpiX = 0, dpiY = 0;
if(SUCCEEDED(GetDpiForMonitor(hMonitor, MDT_EFFECTIVE_DPI, &dpiX, &dpiY))) {
return (float)dpiX / 96.0f; // Standard DPI is 96
}
}
}
// If we reach here, it means we couldn't find the monitor with the given index or couldn't get the DPI.
return 1.0f;
}
/*!
\class WinWindow
@ -217,8 +258,9 @@ void WinWindow::setupWallpaperForOneScreen(int activeScreen)
const int borderOffset = -1;
ScreenPlayUtil::WinMonitorStats monitors;
const int width = std::abs(monitors.rcMonitors[activeScreen].right - monitors.rcMonitors[activeScreen].left) + boderWidth;
const int height = std::abs(monitors.rcMonitors[activeScreen].top - monitors.rcMonitors[activeScreen].bottom) + boderWidth;
const int width = (std::abs(monitors.rcMonitors[activeScreen].right - monitors.rcMonitors[activeScreen].left) / scaling) + boderWidth;
const int height = (std::abs(monitors.rcMonitors[activeScreen].top - monitors.rcMonitors[activeScreen].bottom)/ scaling) + boderWidth;
const int x = monitors.rcMonitors[activeScreen].left + m_zeroPoint.x() + borderOffset;
const int y = monitors.rcMonitors[activeScreen].top + m_zeroPoint.y() + borderOffset;
qInfo() << QString("Setup window activeScreen: %1 scaling: %2 x: %3 y: %4 width: %5 height: %6").arg(activeScreen).arg(scaling).arg(x).arg(y).arg(width).arg(height);
@ -340,8 +382,13 @@ bool WinWindow::searchWorkerWindowToParentTo()
*/
float WinWindow::getScaling(const int monitorIndex)
{
auto a = getMonitorScaleFactor(monitorIndex);
return a;
QScreen* screen = QGuiApplication::screens().at(monitorIndex);
const int factor = screen->physicalDotsPerInch();
const int logicalDotsPerInch = screen->logicalDotsPerInch();
const int test = screen->physicalDotsPerInch() * screen->devicePixelRatio() ;
const int devicePixelRatio = screen->devicePixelRatio() ;
switch (factor) {
case 72:
return 1;