Don't use full-width page sheet on big landscape screens

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderPageSheet.kt

@@ -1,6 +1,8 @@
 package eu.kanade.tachiyomi.ui.reader
 
+import android.os.Bundle
 import android.support.design.widget.BottomSheetDialog
+import android.view.ViewGroup
 import com.afollestad.materialdialogs.MaterialDialog
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.source.model.Page
@@ -28,6 +30,14 @@ class ReaderPageSheet(
         save_layout.setOnClickListener { save() }
     }
 
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        val width = context.resources.getDimensionPixelSize(R.dimen.bottom_sheet_width)
+        if (width > 0) {
+            window?.setLayout(width, ViewGroup.LayoutParams.MATCH_PARENT)
+        }
+    }
+
     /**
      * Sets the image of this page as the cover of the manga.
      */