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mirror of https://gitlab.com/kelteseth/ScreenPlay.git synced 2024-11-25 04:02:50 +01:00

Change old window scaling eyeball with new windows api

This commit is contained in:
Elias Steurer 2023-07-13 11:20:05 +02:00
parent 646733bb2c
commit 0cdc4eefb0
2 changed files with 44 additions and 74 deletions

View File

@ -5,48 +5,9 @@
#include <QtQml>
#include <algorithm>
#include <iostream>
#include <shellscalingapi.h>
#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
@ -370,43 +331,52 @@ bool WinWindow::searchWorkerWindowToParentTo()
}
/*!
\brief Reads the physicalDotsPerInch and mapps them to scaling factors.
This is needed to detect if the user has different monitors with
different scaling factors.
screen->physicalDotsPerInch()
100% -> 109 -> 1
125% -> 120 -> 1.25
150% -> 161 -> 1.5
...
\brief Returns scaling factor as reported by Windows.
*/
float WinWindow::getScaling(const int monitorIndex)
float WinWindow::getScaling(const int monitorIndex) const
{
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;
case 107:
return 1.5;
case 109:
return 1;
case 161:
return 1;
default:
qWarning() << "Monitor with factor: " << factor << " detected! This is not supported!";
return 1;
// 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;
}
/*!
\brief Returns true of at least one monitor has active scaling enabled.
*/
bool WinWindow::hasWindowScaling()
bool WinWindow::hasWindowScaling() const
{
const auto screens = QGuiApplication::screens();
for (int i = 0; i < screens.count(); i++) {

View File

@ -55,8 +55,8 @@ private:
void setupWindowMouseHook();
bool searchWorkerWindowToParentTo();
void configureWindowGeometry();
float getScaling(const int monitorIndex);
bool hasWindowScaling();
bool hasWindowScaling() const;
float getScaling(const int monitorIndex) const;
private slots:
void checkForFullScreenWindow();