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Allows to use a scale factor on high DPI screens

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This commit is contained in:
Klaus Basan
2018-01-26 18:31:46 +01:00
parent 17e4dbbd46
commit 7809734d36
3 changed files with 18 additions and 8 deletions
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10
src/blackgui/components/logincomponent.ui
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@@ -50,10 +50,10 @@
<property name="bottomMargin">
<number>3</number>
</property>
<item>
<item alignment="Qt::AlignTop">
<widget class="BlackGui::CLoginModeButtons" name="frp_LoginMode"/>
</item>
<item>
<item alignment="Qt::AlignTop">
<widget class="QTabWidget" name="tw_Network">
<property name="minimumSize">
<size>
@@ -254,7 +254,7 @@
<property name="bottomMargin">
<number>2</number>
</property>
<item>
<item alignment="Qt::AlignTop">
<widget class="BlackGui::Editors::CPilotForm" name="editor_Pilot">
<property name="minimumSize">
<size>
@@ -267,7 +267,7 @@
</layout>
</widget>
</item>
<item>
<item alignment="Qt::AlignTop">
<widget class="QGroupBox" name="gb_OwnAircraft">
<property name="title">
<string>Own aircraft</string>
@@ -507,7 +507,7 @@
<property name="bottomMargin">
<number>5</number>
</property>
<item>
<item alignment="Qt::AlignTop">
<widget class="QGroupBox" name="gb_CurrentLogin">
<property name="title">
<string>Current server and aircraft</string>

14
src/blackgui/guiapplication.cpp
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@@ -247,9 +247,19 @@ namespace BlackGui
CApplication::exit(retcode);
}
void CGuiApplication::highDpiScreenSupport()
void CGuiApplication::highDpiScreenSupport(qreal scaleFactor)
{
qputenv("QT_AUTO_SCREEN_SCALE_FACTOR", "1");
if (scaleFactor < 0)
{
qputenv("QT_AUTO_SCREEN_SCALE_FACTOR", "1");
}
else
{
QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
const QString sf = QString::number(scaleFactor, 'f', 2);
qputenv("QT_SCALE_FACTOR", sf.toLatin1());
}
}
bool CGuiApplication::isUsingHighDpiScreenSupport()

2
src/blackgui/guiapplication.h
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@@ -228,7 +228,7 @@ namespace BlackGui
//! Support for high DPI screens
//! \note Needs to be at the beginning of main
static void highDpiScreenSupport();
static void highDpiScreenSupport(qreal scaleFactor = -1);
//! Uses the high DPI support?
static bool isUsingHighDpiScreenSupport();