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Enable HiDPI Scaling (Qt 5.6+ only) [stable-1.2] #3814

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Merged
tresf merged 3 commits into from Sep 20, 2017
Merged

Enable HiDPI Scaling (Qt 5.6+ only) [stable-1.2] #3814

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6457cb8
Enable HiDPI Scaling in GuiApplication.cpp
flynn16 Sep 19, 2017
778582d
Added an Environment Variable to Force Scaling
flynn16 Sep 19, 2017
15647c5
Enable HiDPI in Mac Manifest
flynn16 Sep 19, 2017
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2 changes: 2 additions & 0 deletions cmake/apple/lmms.plist.in
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Original file line number Diff line number Diff line change
Expand Up @@ -143,6 +143,8 @@
</dict>
</dict>
</array>
<key>NSPrincipalClass</key>
<string>NSApplication</string>
<key>NSHighResolutionCapable</key>
<string>True</string>
</dict>
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2 changes: 1 addition & 1 deletion cmake/linux/lmms.desktop
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Expand Up @@ -8,7 +8,7 @@ Comment=easy music production for everyone!
Comment[ca]=Producció fàcil de música per a tothom!
Comment[fr]=Production facile de musique pour tout le monde !
Icon=lmms
Exec=env QT_X11_NO_NATIVE_MENUBAR=1 lmms %f
Exec=env QT_X11_NO_NATIVE_MENUBAR=1 QT_AUTO_SCREEN_SCALE_FACTOR=1 lmms %f
Terminal=false
Type=Application
Categories=Qt;AudioVideo;Audio;Midi;
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6 changes: 6 additions & 0 deletions src/gui/GuiApplication.cpp
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Expand Up @@ -40,6 +40,7 @@
#include "SongEditor.h"

#include <QApplication>
#include <QtGlobal>
#include <QMessageBox>
#include <QSplashScreen>

Expand All @@ -53,6 +54,11 @@ GuiApplication* GuiApplication::instance()

GuiApplication::GuiApplication()
{
// enable HiDPI scaling before showing anything (Qt 5.6+ only)
#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
QApplication::setAttribute(Qt::AA_EnableHighDpiScaling, true);
#endif

// prompt the user to create the LMMS working directory (e.g. ~/lmms) if it doesn't exist
if ( !ConfigManager::inst()->hasWorkingDir() &&
QMessageBox::question( NULL,
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