UI|Client: Added "Pixel Density" slider to the Renderer Settings

Now that there is room in the Renderer Settings dialog, the global pixel
density setting can be placed there. It is now available on all platforms
regardless of whether a HiDPI display is in use.

doomsday/client/src/ui/dialogs/renderersettingsdialog.cpp

@@ -31,6 +31,7 @@
 #include <de/SignalAction>
 #include <de/DialogContentStylist>
 #include <de/InputDialog>
+#include <de/VariableSliderWidget>
 
 using namespace de;
 using namespace ui;
@@ -133,10 +134,6 @@ RendererSettingsDialog::RendererSettingsDialog(String const &name)
     appearLabel->setName("appearance-label"); // for lookup from tutorial
     LabelWidget *fovLabel = LabelWidget::newWithText(tr("Field of View:"), &area());
 
-    /*LabelWidget *capLabel = LabelWidget::newWithText(_E(D) + tr("Behavior"), &area());
-    capLabel->setFont("separator.label");
-    capLabel->margins().setTop("gap");*/
-
     // Layout.
     GridLayout layout(area().contentRule().left(), area().contentRule().top());
     layout.setGridSize(2, 0);
@@ -148,9 +145,15 @@ RendererSettingsDialog::RendererSettingsDialog(String const &name)
 
     layout << *fovLabel << *d->fov;
 
-    // Label for the tech caps.
-    //layout.setCellAlignment(Vector2i(0, 2), ui::AlignLeft);
-    //layout.append(*capLabel, 2);
+    // Slider for modifying the global pixel density factor. This allows slower
+    // GPUs to compensate for large resolutions.
+    {
+        auto *pd = new VariableSliderWidget(App::config("render.pixelDensity"), Ranged(0, 1), .05);
+        pd->setPrecision(2);
+        area().add(pd);
+
+        layout << *LabelWidget::newWithText(tr("Pixel Density:"), &area()) << *pd;
+    }
 
     area().setContentSize(layout.width(), layout.height());
 

doomsday/client/src/ui/dialogs/videosettingsdialog.cpp

@@ -254,29 +254,6 @@ VideoSettingsDialog::VideoSettingsDialog(String const &name)
     modeLayout.setGridSize(2, 0);
     modeLayout.setColumnAlignment(0, ui::AlignRight);
 
-#ifdef DENG2_QT_5_0_OR_NEWER
-    // With HiDPI, allow specifying a global pixel density factor. This allows slower
-    // GPUs to generally compensate for the large resolution. This is always shown on
-    // OS X because there the native video mode is not configurable.
-# ifndef MACOSX
-    if(ClientApp::app().devicePixelRatio() > 1)
-# endif
-    {
-        // Overall pixel density adjustment replaces the distinct display modes.
-        auto *pd = new VariableSliderWidget(App::config("render.pixelDensity"), Ranged(0, 1), .05);
-        pd->setPrecision(2);
-        area().add(pd);
-
-        auto *note = LabelWidget::newWithText(tr("Only affects the game view."), &area());
-        note->margins().setTop("");
-        note->setTextColor("label.altaccent");
-        note->setFont("separator.annotation");
-
-        modeLayout << *LabelWidget::newWithText(tr("Pixel Density:"), &area()) << *pd
-                   << Const(0) << *note;
-    }
-#endif
-
     if(gotDisplayMode)
     {
         modeLayout << *LabelWidget::newWithText(tr("Resolution:"), &area());