Added: High DPI support for the Configuration Editor. Icons and proportions should look better now when DPI scaling is used.

Improved: Updated Qt to version 5.7
Fixed: The GUI for the Channel command was showing the wrong channels as selected when channel numbers were used instead of names.

Editor/guis/BiQuadFilterGUI.cpp

@@ -19,9 +19,11 @@
 
 #define _USE_MATH_DEFINES
 #include <cmath>
+#include <QStandardItemModel>
+
+#include "Editor/helpers/DPIHelper.h"
 #include "BiQuadFilterGUI.h"
 #include "ui_BiQuadFilterGUI.h"
-#include <QStandardItemModel>
 
 static const double dialFreqSteps = 1000;
 static const double dialFreqMin = 20;
@@ -35,6 +37,10 @@ BiQuadFilterGUI::BiQuadFilterGUI(BiQuadFilter* filter)
 {
 	ui->setupUi(this);
 
+	ui->freqDial->setFixedSize(DPIHelper::scale(QSize(100, 66)));
+	ui->gainDial->setFixedSize(DPIHelper::scale(QSize(100, 66)));
+	ui->qDial->setFixedSize(DPIHelper::scale(QSize(100, 66)));
+
 	ui->typeComboBox->addItem(tr("Peaking filter"), BiQuad::PEAKING);
 	ui->typeComboBox->addItem(tr("Low-pass filter"), BiQuad::LOW_PASS);
 	ui->typeComboBox->addItem(tr("High-pass filter"), BiQuad::HIGH_PASS);

Editor/guis/ChannelFilterGUIDialog.cpp

@@ -21,6 +21,7 @@
 #include <Ks.h>
 #include <KsMedia.h>
 
+#include "Editor/helpers/DPIHelper.h"
 #include "Editor/helpers/GUIChannelHelper.h"
 #include "ChannelFilterGUIDialog.h"
 #include "ui_ChannelFilterGUIDialog.h"
@@ -35,6 +36,7 @@ ChannelFilterGUIDialog::ChannelFilterGUIDialog(QWidget* parent, QStringList sele
 	ui(new Ui::ChannelFilterGUIDialog)
 {
 	ui->setupUi(this);
+	resize(DPIHelper::scale(QSize(355, 329)));
 
 	ui->centerCheckBox->setProperty(PROPERTY_POSITION, SPEAKER_FRONT_CENTER);
 	ui->leftCheckBox->setProperty(PROPERTY_POSITION, SPEAKER_FRONT_LEFT);

Editor/guis/ChannelFilterGUIDialog.ui

@@ -203,7 +203,7 @@
         </property>
         <property name="icon">
          <iconset resource="../Editor.qrc">
-          <normaloff>:/icons/16x16/list-remove-red.png</normaloff>:/icons/16x16/list-remove-red.png</iconset>
+          <normaloff>:/icons/list-remove-red.ico</normaloff>:/icons/list-remove-red.ico</iconset>
         </property>
        </widget>
       </item>
@@ -214,7 +214,7 @@
         </property>
         <property name="icon">
          <iconset resource="../Editor.qrc">
-          <normaloff>:/icons/16x16/list-add-green.png</normaloff>:/icons/16x16/list-add-green.png</iconset>
+          <normaloff>:/icons/list-add-green.ico</normaloff>:/icons/list-add-green.ico</iconset>
         </property>
        </widget>
       </item>

Editor/guis/ChannelFilterGUIScene.cpp

@@ -17,6 +17,7 @@
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
+#include "Editor/helpers/DPIHelper.h"
 #include "ChannelFilterGUIChannelItem.h"
 #include "ChannelFilterGUIScene.h"
 
@@ -47,7 +48,7 @@ void ChannelFilterGUIScene::load(vector<wstring> channelNames, QStringList selec
 
 		channelMap.insert(c, item);
 		if (c != "ALL")
-			channelMap.insert(QString().setNum(i), item);
+			channelMap.insert(QString().setNum(i + 1), item);
 		lastItem = item;
 	}
 
@@ -66,7 +67,8 @@ void ChannelFilterGUIScene::load(vector<wstring> channelNames, QStringList selec
 		item->setSelected(true);
 	}
 
-	setSceneRect(itemsBoundingRect().marginsAdded(QMarginsF(2, 2, 2, 2)));
+	int margin = DPIHelper::scale(4);
+	setSceneRect(itemsBoundingRect().marginsAdded(QMarginsF(margin, margin, margin, margin)));
 	blockSignals(false);
 }
 

Editor/guis/CommentFilterGUI.cpp

@@ -17,6 +17,7 @@
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
+#include "Editor/helpers/DPIHelper.h"
 #include "CommentFilterGUI.h"
 #include "ui_CommentFilterGUI.h"
 
@@ -35,7 +36,7 @@ CommentFilterGUI::CommentFilterGUI(IFilterGUI* child, bool isComment)
 	ui->horizontalLayout->addWidget(child);
 
 	ui->actionPowerOn->setChecked(!isComment);
-	ui->toolBar->setIconSize(QSize(24, 24));
+	ui->toolBar->setIconSize(DPIHelper::scale(QSize(24, 24)));
 	ui->toolBar->addAction(ui->actionPowerOn);
 	ui->toolBar->updateMaximumHeight();
 

Editor/guis/CommentFilterGUI.ui

@@ -49,8 +49,8 @@
    </property>
    <property name="icon">
     <iconset resource="../Editor.qrc">
-     <normaloff>:/icons/power_off.png</normaloff>
-     <normalon>:/icons/power_on.png</normalon>:/icons/power_off.png</iconset>
+     <normaloff>:/icons/power_off.ico</normaloff>
+     <normalon>:/icons/power_on.ico</normalon>:/icons/power_off.ico</iconset>
    </property>
    <property name="text">
     <string>Power on</string>

Editor/guis/ConvolutionFilterGUI.ui

@@ -33,7 +33,7 @@
      </property>
      <property name="icon">
       <iconset resource="../Editor.qrc">
-       <normaloff>:/icons/16x16/document-open.png</normaloff>:/icons/16x16/document-open.png</iconset>
+       <normaloff>:/icons/document-open.ico</normaloff>:/icons/document-open.ico</iconset>
      </property>
     </widget>
    </item>

Editor/guis/CopyFilterGUI.cpp

@@ -18,12 +18,13 @@
 */
 
 #include "Editor/widgets/ResizeCorner.h"
+#include "Editor/helpers/DPIHelper.h"
 #include "helpers/ChannelHelper.h"
 #include "CopyFilterGUIForm.h"
 #include "CopyFilterGUI.h"
 #include "ui_CopyFilterGUI.h"
 
-static const int DEFAULT_HEIGHT = 88;
+static const double DEFAULT_HEIGHT = 88;
 
 using namespace std;
 
@@ -39,7 +40,7 @@ CopyFilterGUI::CopyFilterGUI(CopyFilter* filter, FilterTable* filterTable)
 	ui->form->load(filter->getAssignments());
 
 	ResizeCorner* cornerWidget = new ResizeCorner(filterTable,
-			QSize(0, 50), QSize(0, INT_MAX),
+			QSize(0, DPIHelper::scale(85)), QSize(0, INT_MAX),
 			[this]() {
 		return QSize(0, ui->scrollArea->height());
 	},
@@ -167,14 +168,14 @@ void CopyFilterGUI::store(QString& command, QString& parameters)
 
 void CopyFilterGUI::loadPreferences(const QVariantMap& prefs)
 {
-	ui->scrollArea->setFixedHeight(prefs.value("height", DEFAULT_HEIGHT).toInt());
+	ui->scrollArea->setFixedHeight(DPIHelper::scale(prefs.value("height", DEFAULT_HEIGHT).toDouble()));
 	ui->tabWidget->setCurrentIndex(prefs.value("tabIndex", 0).toInt());
 }
 
 void CopyFilterGUI::storePreferences(QVariantMap& prefs)
 {
-	if (ui->scrollArea->height() != DEFAULT_HEIGHT)
-		prefs.insert("height", ui->scrollArea->height());
+	if (DPIHelper::invScale(ui->scrollArea->height()) != DEFAULT_HEIGHT)
+		prefs.insert("height", DPIHelper::invScale(ui->scrollArea->height()));
 	if (ui->tabWidget->currentIndex() != 0)
 		prefs.insert("tabIndex", ui->tabWidget->currentIndex());
 }

Editor/guis/CopyFilterGUI.ui

@@ -56,7 +56,7 @@
      <widget class="QWidget" name="tab">
       <attribute name="icon">
        <iconset resource="../Editor.qrc">
-        <normaloff>:/icons/16x16/applications-graphics-rotated.png</normaloff>:/icons/16x16/applications-graphics-rotated.png</iconset>
+        <normaloff>:/icons/applications-graphics-rotated.ico</normaloff>:/icons/applications-graphics-rotated.ico</iconset>
       </attribute>
       <attribute name="title">
        <string/>
@@ -101,7 +101,7 @@
      <widget class="QWidget" name="tab_2">
       <attribute name="icon">
        <iconset resource="../Editor.qrc">
-        <normaloff>:/icons/16x16/format-justify-fill-rotated.png</normaloff>:/icons/16x16/format-justify-fill-rotated.png</iconset>
+        <normaloff>:/icons/format-justify-fill-rotated.ico</normaloff>:/icons/format-justify-fill-rotated.ico</iconset>
       </attribute>
       <attribute name="title">
        <string/>
@@ -138,8 +138,8 @@
            <rect>
             <x>0</x>
             <y>0</y>
-            <width>348</width>
-            <height>88</height>
+            <width>380</width>
+            <height>90</height>
            </rect>
           </property>
          </widget>

Editor/guis/CopyFilterGUIConnectionItem.cpp

@@ -23,6 +23,7 @@
 #include <QPainter>
 #include <QLineEdit>
 
+#include "Editor/helpers/DPIHelper.h"
 #include "Editor/widgets/ResizingLineEdit.h"
 #include "CopyFilterGUIChannelItem.h"
 #include "CopyFilterGUIScene.h"
@@ -32,7 +33,6 @@ static const int maxArrowSize = 6;
 
 CopyFilterGUIConnectionItem::CopyFilterGUIConnectionItem()
 {
-
 }
 
 CopyFilterGUIConnectionItem::CopyFilterGUIConnectionItem(CopyFilterGUIChannelItem* source, CopyFilterGUIChannelItem* target, double factor, bool isDecibel)
@@ -52,7 +52,8 @@ QRectF CopyFilterGUIConnectionItem::boundingRect() const
 	QRectF rect = QGraphicsLineItem::boundingRect();
 
 	QPointF p2 = line().p2();
-	QRectF rect2 = QRectF(p2.x() - maxArrowSize, p2.y() - maxArrowSize, 2 * maxArrowSize, 2 * maxArrowSize);
+	int as = DPIHelper::scale(maxArrowSize);
+	QRectF rect2 = QRectF(p2.x() - as, p2.y() - as, 2 * as, 2 * as);
 
 	return rect.united(rect2);
 }
@@ -66,7 +67,7 @@ QPainterPath CopyFilterGUIConnectionItem::shape() const
 	double length = line().length();
 	if (length > 0)
 	{
-		double offset = min(length, maxArrowSize);
+		double offset = min(length, DPIHelper::scale(maxArrowSize));
 		QLineF unit = l.unitVector();
 		QLineF normal = l.normalVector().unitVector();
 		QPointF v(unit.dx(), unit.dy());
@@ -92,7 +93,7 @@ QPainterPath CopyFilterGUIConnectionItem::shape() const
 		if (factor != 1.0 || isDecibel)
 		{
 			QFont font;
-			font.setPixelSize(10);
+			font.setPixelSize(DPIHelper::scale(10));
 			QPointF center = (l.p1() + l.p2()) / 2;
 			QString text = QString("%1").arg(factor);
 			if (isDecibel)
@@ -130,7 +131,7 @@ void CopyFilterGUIConnectionItem::paint(QPainter* painter, const QStyleOptionGra
 		painter->drawLine(line());
 
 		double length = line().length();
-		double offset = min(length, maxArrowSize);
+		double offset = min(length, DPIHelper::scale(maxArrowSize));
 		QLineF unit = l.unitVector();
 		QLineF normal = l.normalVector().unitVector();
 		QPointF v(unit.dx(), unit.dy());
@@ -149,7 +150,7 @@ void CopyFilterGUIConnectionItem::paint(QPainter* painter, const QStyleOptionGra
 		if (factor != 1.0 || isDecibel)
 		{
 			QFont font = painter->font();
-			font.setPixelSize(10);
+			font.setPixelSize(DPIHelper::scale(10));
 			painter->setFont(font);
 			QPointF center = (l.p1() + l.p2()) / 2;
 			QString text = QString("%1").arg(factor);

Editor/guis/CopyFilterGUIForm.cpp

@@ -91,7 +91,7 @@ void CopyFilterGUIForm::load(vector<Assignment> assignments)
 
 			QPushButton* addSummandButton = new QPushButton(this);
 			addSummandButton->setText(tr("Add summand"));
-			addSummandButton->setIcon(QIcon(":/icons/16x16/list-add-green.png"));
+			addSummandButton->setIcon(QIcon(":/icons/list-add-green.ico"));
 			gridLayout->addWidget(addSummandButton, row, 4);
 			connect(addSummandButton, SIGNAL(pressed()), this, SLOT(addSummand()));
 
@@ -100,7 +100,7 @@ void CopyFilterGUIForm::load(vector<Assignment> assignments)
 				removeButton->setText(tr("Remove assignment"));
 			else
 				removeButton->setText(tr("Remove summand"));
-			removeButton->setIcon(QIcon(":/icons/16x16/list-remove-red.png"));
+			removeButton->setIcon(QIcon(":/icons/list-remove-red.ico"));
 			gridLayout->addWidget(removeButton, row, 5);
 			connect(removeButton, SIGNAL(pressed()), this, SLOT(remove()));
 
@@ -113,7 +113,7 @@ void CopyFilterGUIForm::load(vector<Assignment> assignments)
 
 	QPushButton* addAssignmentButton = new QPushButton(this);
 	addAssignmentButton->setText(tr("Add assignment"));
-	addAssignmentButton->setIcon(QIcon(":/icons/16x16/list-add-green.png"));
+	addAssignmentButton->setIcon(QIcon(":/icons/list-add-green.ico"));
 	gridLayout->addWidget(addAssignmentButton, row++, 0, 1, 4);
 	connect(addAssignmentButton, SIGNAL(pressed()), this, SLOT(addAssignment()));
 }

Editor/guis/CopyFilterGUIScene.cpp

@@ -23,6 +23,7 @@
 #include <QLineEdit>
 #include <QToolButton>
 
+#include "Editor/helpers/DPIHelper.h"
 #include "Editor/widgets/ResizingLineEdit.h"
 #include "CopyFilterGUIChannelItem.h"
 #include "CopyFilterGUIScene.h"
@@ -102,12 +103,13 @@ void CopyFilterGUIScene::load(const vector<wstring>& channelNames, vector<Assign
 	}
 
 	QToolButton* addButton = new QToolButton;
-	addButton->setIcon(QIcon(":/icons/16x16/list-add-green.png"));
+	addButton->setIcon(QIcon(":/icons/list-add-green.ico"));
 	connect(addButton, SIGNAL(clicked()), this, SLOT(addOutputChannel()));
 	addProxyItem = addWidget(addButton);
 	addProxyItem->setPos(getNextChannelPoint(lastOutputItem, true));
 
-	setSceneRect(itemsBoundingRect().marginsAdded(QMarginsF(2, 2, 2, 2)));
+	int margin = DPIHelper::scale(4);
+	setSceneRect(itemsBoundingRect().marginsAdded(QMarginsF(margin, margin, margin, margin)));
 }
 
 std::vector<Assignment> CopyFilterGUIScene::buildAssignments()

Editor/guis/DelayFilterGUI.cpp

@@ -17,6 +17,7 @@
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
+#include "Editor/helpers/DPIHelper.h"
 #include "DelayFilterGUI.h"
 #include "ui_DelayFilterGUI.h"
 
@@ -29,6 +30,7 @@ DelayFilterGUI::DelayFilterGUI(double delay, bool isMs)
 {
 	ui->setupUi(this);
 
+	ui->delayDial->setFixedSize(DPIHelper::scale(QSize(100, 66)));
 	ui->unitComboBox->setCurrentIndex(isMs ? 0 : 1);
 	ui->delaySpinBox->setValue(delay);
 }

Editor/guis/DeviceFilterGUIDialog.cpp

@@ -17,6 +17,7 @@
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
+#include "Editor/helpers/DPIHelper.h"
 #include "DeviceFilterGUIDialog.h"
 #include "ui_DeviceFilterGUIDialog.h"
 
@@ -29,6 +30,7 @@ DeviceFilterGUIDialog::DeviceFilterGUIDialog(DeviceFilterGUI* gui, DeviceFilterG
 	ui(new Ui::DeviceFilterGUIDialog)
 {
 	ui->setupUi(this);
+	resize(DPIHelper::scale(QSize(500, 350)));
 
 	bool all = pattern.trimmed() == "all";
 	ui->allDevicesCheckBox->setChecked(all);

Editor/guis/GraphicEQFilterGUI.cpp

@@ -23,14 +23,15 @@
 #include <QTextStream>
 
 #include "helpers/GainIterator.h"
+#include "Editor/helpers/DPIHelper.h"
 #include "Editor/widgets/ResizeCorner.h"
 #include "Editor/FilterTable.h"
 #include "GraphicEQFilterGUIView.h"
 #include "GraphicEQFilterGUI.h"
 #include "ui_GraphicEQFilterGUI.h"
 
-static const int DEFAULT_TABLE_WIDTH = 119;
-static const int DEFAULT_VIEW_HEIGHT = 150;
+static const double DEFAULT_TABLE_WIDTH = 119;
+static const double DEFAULT_VIEW_HEIGHT = 150;
 
 using namespace std;
 
@@ -40,6 +41,10 @@ GraphicEQFilterGUI::GraphicEQFilterGUI(GraphicEQFilter* filter, QString configPa
 	: ui(new Ui::GraphicEQFilterGUI), configPath(configPath)
 {
 	ui->setupUi(this);
+	ui->tableWidget->horizontalHeader()->setMinimumSectionSize(DPIHelper::scale(10));
+	ui->tableWidget->horizontalHeader()->setDefaultSectionSize(DPIHelper::scale(10));
+	ui->tableWidget->verticalHeader()->setMinimumSectionSize(DPIHelper::scale(23));
+	ui->tableWidget->verticalHeader()->setDefaultSectionSize(DPIHelper::scale(23));
 
 	scene = new GraphicEQFilterGUIScene(ui->graphicsView);
 	ui->graphicsView->setScene(scene);
@@ -109,35 +114,39 @@ void GraphicEQFilterGUI::store(QString& command, QString& parameters)
 
 void GraphicEQFilterGUI::loadPreferences(const QVariantMap& prefs)
 {
-	ui->tableWidget->setFixedWidth(prefs.value("tableWidth", DEFAULT_TABLE_WIDTH).toInt());
-	ui->graphicsView->setFixedHeight(prefs.value("viewHeight", DEFAULT_VIEW_HEIGHT).toInt());
-	double zoomX = prefs.value("zoomX", 1.0).toDouble();
-	double zoomY = prefs.value("zoomY", 1.0).toDouble();
-	if (zoomX != 1.0 || zoomY != 1.0)
-		scene->setZoom(zoomX, zoomY);
-	int scrollX = prefs.value("scrollX", round(scene->hzToX(20))).toInt();
-	int scrollY = prefs.value("scrollY", round(scene->dbToY(22))).toInt();
+	ui->tableWidget->setFixedWidth(DPIHelper::scale(prefs.value("tableWidth", DEFAULT_TABLE_WIDTH).toDouble()));
+	ui->graphicsView->setFixedHeight(DPIHelper::scale(prefs.value("viewHeight", DEFAULT_VIEW_HEIGHT).toDouble()));
+	double zoomX = DPIHelper::scaleZoom(prefs.value("zoomX", 1.0).toDouble());
+	double zoomY = DPIHelper::scaleZoom(prefs.value("zoomY", 1.0).toDouble());
+	scene->setZoom(zoomX, zoomY);
+	bool ok;
+	int scrollX = DPIHelper::scale(prefs.value("scrollX").toDouble(&ok));
+	if (!ok)
+		scrollX = round(scene->hzToX(20));
+	int scrollY = DPIHelper::scale(prefs.value("scrollY").toDouble(&ok));
+	if (!ok)
+		scrollY = round(scene->dbToY(22));
 	ui->graphicsView->setScrollOffsets(scrollX, scrollY);
 }
 
 void GraphicEQFilterGUI::storePreferences(QVariantMap& prefs)
 {
-	if (ui->tableWidget->width() != DEFAULT_TABLE_WIDTH)
-		prefs.insert("tableWidth", ui->tableWidget->width());
-	if (ui->graphicsView->height() != DEFAULT_VIEW_HEIGHT)
-		prefs.insert("viewHeight", ui->graphicsView->height());
-	if (scene->getZoomX() != 1.0)
-		prefs.insert("zoomX", scene->getZoomX());
-	if (scene->getZoomY() != 1.0)
-		prefs.insert("zoomY", scene->getZoomY());
+	if (DPIHelper::invScale(ui->tableWidget->width()) != DEFAULT_TABLE_WIDTH)
+		prefs.insert("tableWidth", DPIHelper::invScale(ui->tableWidget->width()));
+	if (DPIHelper::invScale(ui->graphicsView->height()) != DEFAULT_VIEW_HEIGHT)
+		prefs.insert("viewHeight", DPIHelper::invScale(ui->graphicsView->height()));
+	if (DPIHelper::invScaleZoom(scene->getZoomX()) != 1.0)
+		prefs.insert("zoomX", DPIHelper::invScaleZoom(scene->getZoomX()));
+	if (DPIHelper::invScaleZoom(scene->getZoomY()) != 1.0)
+		prefs.insert("zoomY", DPIHelper::invScaleZoom(scene->getZoomY()));
 	QScrollBar* hScrollBar = ui->graphicsView->horizontalScrollBar();
 	int value = hScrollBar->value();
 	if (value != round(scene->hzToX(20)))
-		prefs.insert("scrollX", value);
+		prefs.insert("scrollX", DPIHelper::invScale(value));
 	QScrollBar* vScrollBar = ui->graphicsView->verticalScrollBar();
 	value = vScrollBar->value();
 	if (value != round(scene->dbToY(22)))
-		prefs.insert("scrollY", value);
+		prefs.insert("scrollY", DPIHelper::invScale(value));
 }
 
 void GraphicEQFilterGUI::insertRow(int index, double hz, double db)

Editor/guis/GraphicEQFilterGUI.ui

@@ -197,14 +197,7 @@
       </widget>
      </item>
      <item>
-      <widget class="QToolBar" name="toolBar">
-       <property name="iconSize">
-        <size>
-         <width>16</width>
-         <height>16</height>
-        </size>
-       </property>
-      </widget>
+      <widget class="QToolBar" name="toolBar"/>
      </item>
     </layout>
    </item>
@@ -212,7 +205,7 @@
   <action name="actionImport">
    <property name="icon">
     <iconset resource="../Editor.qrc">
-     <normaloff>:/icons/16x16/document-open.png</normaloff>:/icons/16x16/document-open.png</iconset>
+     <normaloff>:/icons/document-open.ico</normaloff>:/icons/document-open.ico</iconset>
    </property>
    <property name="text">
     <string>Import</string>
@@ -221,7 +214,7 @@
   <action name="actionExport">
    <property name="icon">
     <iconset resource="../Editor.qrc">
-     <normaloff>:/icons/16x16/document-save-as.png</normaloff>:/icons/16x16/document-save-as.png</iconset>
+     <normaloff>:/icons/document-save-as.ico</normaloff>:/icons/document-save-as.ico</iconset>
    </property>
    <property name="text">
     <string>Export</string>
@@ -230,7 +223,7 @@
   <action name="actionInvertResponse">
    <property name="icon">
     <iconset resource="../Editor.qrc">
-     <normaloff>:/icons/invert_response.png</normaloff>:/icons/invert_response.png</iconset>
+     <normaloff>:/icons/invert_response.ico</normaloff>:/icons/invert_response.ico</iconset>
    </property>
    <property name="text">
     <string>Invert response</string>
@@ -239,7 +232,7 @@
   <action name="actionNormalizeResponse">
    <property name="icon">
     <iconset resource="../Editor.qrc">
-     <normaloff>:/icons/normalize_response.png</normaloff>:/icons/normalize_response.png</iconset>
+     <normaloff>:/icons/normalize_response.ico</normaloff>:/icons/normalize_response.ico</iconset>
    </property>
    <property name="text">
     <string>Normalize response</string>
@@ -248,7 +241,7 @@
   <action name="actionResetResponse">
    <property name="icon">
     <iconset resource="../Editor.qrc">
-     <normaloff>:/icons/reset_response.png</normaloff>:/icons/reset_response.png</iconset>
+     <normaloff>:/icons/reset_response.ico</normaloff>:/icons/reset_response.ico</iconset>
    </property>
    <property name="text">
     <string>Reset response</string>

Editor/guis/GraphicEQFilterGUIItem.cpp

@@ -19,6 +19,7 @@
 
 #include <QPainter>
 
+#include "Editor/helpers/DPIHelper.h"
 #include "GraphicEQFilterGUIScene.h"
 #include "GraphicEQFilterGUIItem.h"
 
@@ -33,7 +34,8 @@ GraphicEQFilterGUIItem::GraphicEQFilterGUIItem(int index, double hz, double db)
 
 QRectF GraphicEQFilterGUIItem::boundingRect() const
 {
-	return QRectF(-size / 2, -size / 2, size, size);
+	int s = DPIHelper::scale(size);
+	return QRectF(-s / 2, -s / 2, s, s);
 }
 
 QPainterPath GraphicEQFilterGUIItem::shape() const
@@ -55,7 +57,7 @@ void GraphicEQFilterGUIItem::paint(QPainter* painter, const QStyleOptionGraphics
 			painter->setPen(Qt::white);
 
 		QFont font;
-		font.setPixelSize(9);
+		font.setPixelSize(DPIHelper::scale(9));
 		font.setLetterSpacing(QFont::AbsoluteSpacing, -1);
 		QFontMetrics metrics(font);
 		painter->setFont(font);

Editor/guis/IncludeFilterGUI.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>400</width>
-    <height>22</height>
+    <height>26</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -43,7 +43,7 @@
      </property>
      <property name="icon">
       <iconset resource="../Editor.qrc">
-       <normaloff>:/icons/16x16/document-open.png</normaloff>:/icons/16x16/document-open.png</iconset>
+       <normaloff>:/icons/document-open.ico</normaloff>:/icons/document-open.ico</iconset>
      </property>
     </widget>
    </item>
@@ -67,7 +67,7 @@
      </property>
      <property name="icon">
       <iconset resource="../Editor.qrc">
-       <normaloff>:/icons/16x16/go-up.png</normaloff>:/icons/16x16/go-up.png</iconset>
+       <normaloff>:/icons/go-up.ico</normaloff>:/icons/go-up.ico</iconset>
      </property>
     </widget>
    </item>

Editor/guis/PreampFilterGUI.cpp

@@ -19,6 +19,7 @@
 
 #include <cmath>
 
+#include "Editor/helpers/DPIHelper.h"
 #include "PreampFilterGUI.h"
 #include "ui_PreampFilterGUI.h"
 
@@ -29,6 +30,7 @@ PreampFilterGUI::PreampFilterGUI(double dbGain)
 {
 	ui->setupUi(this);
 
+	ui->dial->setFixedSize(DPIHelper::scale(QSize(100, 66)));
 	ui->doubleSpinBox->setValue(dbGain);
 }