Qt: Hide software filter box.

May remove this in the future because it's unneeded with shaders.

qt/src/DisplayPanel.cpp

@@ -98,6 +98,8 @@ DisplayPanel::DisplayPanel(EmuApplication *app_)
         if (recreate)
             app->window->recreateUIAssets();
     });
+
+    groupBox_software_filters->hide();
 }
 
 DisplayPanel::~DisplayPanel()

qt/src/DisplayPanel.ui

@@ -311,7 +311,7 @@ Output directly will cause the screen to change between the two modes and look w
     </widget>
    </item>
    <item>
-    <widget class="QGroupBox" name="groupBox_3">
+    <widget class="QGroupBox" name="groupBox_software_filters">
      <property name="title">
       <string>Software Filters</string>
      </property>

qt/src/main.cpp

@@ -6,6 +6,7 @@
 #include <clocale>
 #include <qnamespace.h>
 #include <QStyle>
+#include <QStyleHints>
 
 #ifndef _WIN32
 #include <csignal>
@@ -28,35 +29,42 @@ int main(int argc, char *argv[])
 
     if (emu.qtapp->platformName() == "windows")
     {
-        emu.qtapp->setStyle("fusion");
+        if (emu.qtapp->styleHints()->colorScheme() == Qt::ColorScheme::Dark)
+        {
+            emu.qtapp->setStyle("fusion");
 
-        const QColor darkGray(53, 53, 53);
-        const QColor gray(128, 128, 128);
-        const QColor black(25, 25, 25);
-        const QColor blue(198, 238, 255);
-        const QColor blue2(0, 88, 208);
+            const QColor darkGray(53, 53, 53);
+            const QColor gray(128, 128, 128);
+            const QColor black(25, 25, 25);
+            const QColor blue(198, 238, 255);
+            const QColor blue2(0, 88, 208);
 
-        QPalette darkPalette;
-        darkPalette.setColor(QPalette::Window, darkGray);
-        darkPalette.setColor(QPalette::WindowText, Qt::white);
-        darkPalette.setColor(QPalette::Base, black);
-        darkPalette.setColor(QPalette::AlternateBase, darkGray);
-        darkPalette.setColor(QPalette::ToolTipBase, blue2);
-        darkPalette.setColor(QPalette::ToolTipText, Qt::white);
-        darkPalette.setColor(QPalette::Text, Qt::white);
-        darkPalette.setColor(QPalette::Button, darkGray);
-        darkPalette.setColor(QPalette::ButtonText, Qt::white);
-        darkPalette.setColor(QPalette::Link, blue);
-        darkPalette.setColor(QPalette::Highlight, blue2);
-        darkPalette.setColor(QPalette::HighlightedText, Qt::white);
-        darkPalette.setColor(QPalette::PlaceholderText, QColor(Qt::white).darker());
+            QPalette darkPalette;
+            darkPalette.setColor(QPalette::Window, darkGray);
+            darkPalette.setColor(QPalette::WindowText, Qt::white);
+            darkPalette.setColor(QPalette::Base, black);
+            darkPalette.setColor(QPalette::AlternateBase, darkGray);
+            darkPalette.setColor(QPalette::ToolTipBase, blue2);
+            darkPalette.setColor(QPalette::ToolTipText, Qt::white);
+            darkPalette.setColor(QPalette::Text, Qt::white);
+            darkPalette.setColor(QPalette::Button, darkGray);
+            darkPalette.setColor(QPalette::ButtonText, Qt::white);
+            darkPalette.setColor(QPalette::Link, blue);
+            darkPalette.setColor(QPalette::Highlight, blue2);
+            darkPalette.setColor(QPalette::HighlightedText, Qt::white);
+            darkPalette.setColor(QPalette::PlaceholderText, QColor(Qt::white).darker());
 
-        darkPalette.setColor(QPalette::Active, QPalette::Button, darkGray);
-        darkPalette.setColor(QPalette::Disabled, QPalette::ButtonText, gray);
-        darkPalette.setColor(QPalette::Disabled, QPalette::WindowText, gray);
-        darkPalette.setColor(QPalette::Disabled, QPalette::Text, gray);
-        darkPalette.setColor(QPalette::Disabled, QPalette::Light, darkGray);
-        emu.qtapp->setPalette(darkPalette);
+            darkPalette.setColor(QPalette::Active, QPalette::Button, darkGray);
+            darkPalette.setColor(QPalette::Disabled, QPalette::ButtonText, gray);
+            darkPalette.setColor(QPalette::Disabled, QPalette::WindowText, gray);
+            darkPalette.setColor(QPalette::Disabled, QPalette::Text, gray);
+            darkPalette.setColor(QPalette::Disabled, QPalette::Light, darkGray);
+            emu.qtapp->setPalette(darkPalette);
+        }
+        else
+        {
+            emu.qtapp->setStyle("windowsvista");
+        }
     }
 
 #ifndef _WIN32